CN105352977A - Automatic flaw detection line and detection method - Google Patents
Automatic flaw detection line and detection method Download PDFInfo
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- CN105352977A CN105352977A CN201510750544.4A CN201510750544A CN105352977A CN 105352977 A CN105352977 A CN 105352977A CN 201510750544 A CN201510750544 A CN 201510750544A CN 105352977 A CN105352977 A CN 105352977A
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Abstract
The invention discloses an automatic flaw detection line, which comprises: a front end feeding device, a magnetizing spray detection device and a rear end feeding device. During work of the detection line, horizontally arranged rollers are sent to a roller clamping mechanism through the front end feeding device, a conducting rod of the roller clamping mechanism clamps the middle roller and performs magnetizing, at the same time, a driving mechanism works to drive the rollers to rotate and spray fluorescent magnetic powder liquid, then the roller surfaces are photographed by a CCD camera on the detection mechanism, and a detection control system judges whether the roller is accord with the quality requirement according to fluorescent magnetic powder traces on the photographs. The automatic detection line provided by the invention has a simple structure and is convenient to use, can realize automatic operation of magnetizing, spraying of the fluorescent magnetic powder liquid and photographing. Therefore, the whole roller flaw detection realizes automatic operation, the production efficiency can be effectively improved, the labor cost is lowered, the detection quality is improved, and then the rail transit vehicle quality can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of carrying out flaw detection line, particularly a kind of Aulomatizeted Detect line for detecting track vehicle bearing roller.
Background technology
The track traffics such as train, subway, light rail become more and more for important because it has the advantages such as freight volume is large, speed is fast in national economy, and the security of track traffic is also more and more subject to people's attention.In track traffic circulation process, wheel bearing is the critical component that it runs, wheel bearing is primarily of inner ring, outer ring and the composition of the roller between Internal and external cycle, in order to ensure the safety of vehicle operating, in wheel bearing production run, carrying out flaw detection must be carried out, to guarantee that each parts conform to quality requirements to all parts of wheel bearing.
Detection at present for roller on wheel bearing mainly adopts the mode of fluorescent magnetic particle flaw detection to detect, first roller is magnetized, and then on roller, spraying MPI fluorescent magnetic particles liquid, the MPI fluorescent magnetic particles vestige detected on roller finally by manual type judges whether this roller meets quality requirements.Adopt manual type inevitably to there is problem that is undetected, false retrieval, these all can bring potential safety hazard to the operation of rail vehicle.Due to the enormous amount of roller, adopt manual type to need to use a large amount of staff to detect, the production cost of these Dou Huishi enterprises increases.Therefore be necessary to design a kind of detection line that can realize the automatic detection of vehicle bearing roller.
Summary of the invention
For solving the problems of the technologies described above, The embodiment provides a kind of carrying out flaw detection line that can carry out Aulomatizeted Detect to vehicle bearing roller.
For achieving the above object, embodiments of the invention adopt following technical scheme: a kind of automatic flaw detection detection line, it comprises: front end pay-off, described front end pay-off comprises the first walker, described first walker is provided with multiple transverse direction roller groove arranged in parallel, and described first walker can move around along roller throughput direction; Magnetize spray pick-up unit, the described spray pick-up unit that magnetizes comprises roller clamp system, driving mechanism, mechanism of magnetizing, MPI fluorescent magnetic particles liquid spraying mechanism and testing agency, described roller clamp system is for clamping the roller that will detect, described driving mechanism rotates for making the roller of multiple clamping, described mechanism of magnetizing is for magnetizing to the roller that will detect, described MPI fluorescent magnetic particles liquid spraying mechanism is used for the roller spray MPI fluorescent magnetic particles liquid after magnetizing, described testing agency is used for the roller after to spray and detects, and judges whether terminal conforms to quality requirements; Rear end pay-off, described rear end pay-off comprises the second walker, and described second walker is provided with multiple transverse direction roller groove arranged in parallel, and described second walker can move around along roller throughput direction.
Preferably, described front end pay-off also comprises a transmission support and and pushes frame, described transmission support is provided with multiple delivery unit arranged in parallel, described delivery unit comprises fixing link stopper and a movable link stopper, described movable link stopper can move up and down, when described movable link stopper is positioned at minimum point, the fixing link stopper of same delivery unit and the upper surface of movable link stopper form the first dip plane, when described movable link stopper is positioned at peak, the upper surface that the upper surface of the movable link stopper of last delivery unit and a rear delivery unit fix link stopper forms the second dip plane, described first dip plane, second dip plane tilts from top to bottom along roller throughput direction, the top of described first dip plane forms roller conveying trough, described propelling movement chord position is in the side of described transmission support, described propelling movement frame is provided with several push pedal, the position of described push pedal and the position one_to_one corresponding of described roller conveying trough, described propelling movement frame can move around, and described propelling movement frame moving direction is vertical with described first walker moving direction.
Preferably, described roller clamp system comprises the relative support in two positions, each support is equipped with a moving slider, described moving slider can slidably reciprocate on the bracket, described moving slider is provided with the contact rod of comprise several parallel arrangement, contact rod position on two supports is relative, and the outboard end of described contact rod is provided with driven wheel, and the driven wheel of adjacent conductive rod outboard end engages each other; Described driving mechanism comprises a drive motor, and described drive motor is connected with a coupling shaft, and described coupling shaft connects two synchromesh gears, and two synchromesh gears engage with a driven wheel on described two supports respectively; Described mechanism of magnetizing comprises several connection terminal, described connection terminal is connected with the power supply that magnetizes, described connection terminal and described contact rod position one_to_one corresponding, described connection terminal is connected with a driving mechanism, and described driving mechanism can drive described connection terminal to contact with described contact rod or be separated; Described MPI fluorescent magnetic particles liquid spraying mechanism comprises several spray head, described spray head and described contact rod position one_to_one corresponding; Testing agency of institute comprises several side face and detects CCD camera, described side face detects CCD camera and is positioned in frame, described side face detects the top that CCD camera is positioned at described spray head, described side face detects the position of CCD camera and the position one_to_one corresponding of described spray head, and described side face detects CCD camera and is connected with detecting and controlling system.
Preferably, the side of described rear end pay-off is also provided with a feeding distribution mechanism, described feeding distribution mechanism is positioned at the side of the second walker, described feeding distribution mechanism comprises multiple double stroke cylinder arranged in parallel, described double stroke cylinder is connected with described detecting and controlling system, the position of described double stroke cylinder and the position one_to_one corresponding of described roller groove.
Preferably, described testing agency also comprises an end face pick-up unit, described end surface measurement device comprises the relative end surface measurement CCD camera in two positions, and two end surface measurement cameras are positioned at the both sides of described walker, and described end surface measurement CCD camera is connected with described detecting and controlling system.
Preferably, the front end of described front end pay-off is provided with front end cleaning device, and described cleaning device comprises cleaning section and air-dry section.
Preferably, the front end of described front end cleaning device is also provided with degaussing gear.
Preferably, the rear end of described rear end pay-off is provided with rear end cleaning device, and described rear end cleaning device comprises cleaning section and air-dry section.
The invention also discloses a kind of automatic testing method using this automatic flaw detection detection line, it comprises the steps: first by front end pay-off, multiple roller arranged in parallel to be delivered to the spray pick-up unit that magnetizes, and by roller clamp system, roller is clamped, by magnetizing, mechanism magnetizes to roller, simultaneously spinning rollers spray MPI fluorescent magnetic particles liquid on roller, after roller sprays MPI fluorescent magnetic particles liquid completely, taken pictures to roller surface by the CCD camera in testing agency, and photo is sent to detecting and controlling system, by the graphical analysis MPI fluorescent magnetic particles vestige of detecting and controlling system according to shooting, judge that whether this roller quality is qualified.
Preferably, when adopting CCD camera to take to roller outer peripheral face, stop the rotation after roller often rotates to an angle, taken its surface by CCD camera, then roller rotates to an angle again, until complete the shooting of whole roller outer peripheral face.
The automatic flaw detection detection line that the embodiment of the present invention provides and detection method have following beneficial effect: this detection line operationally, by front end pay-off, transversely arranged roller is delivered to roller clamp system, by the contact rod of roller clamp system, the roller of centre is picked up, the connection terminal of mechanism of now magnetizing moves and contacts with contact rod, make that contact rod is charged to magnetize to roller, meanwhile, driving mechanism work drives roller to rotate, spray head on MPI fluorescent magnetic particles liquid spraying mechanism sprays MPI fluorescent magnetic particles liquid on roller, then taken pictures by the surface of the CCD camera in testing agency to roller, and photo is sent to detecting and controlling system, judge whether this roller conforms to quality requirements by detecting and controlling system according to the MPI fluorescent magnetic particles vestige on photo.This Aulomatizeted Detect line structure is simple, easy to use, can be realized magnetizing, spray the automation mechanized operation of MPI fluorescent magnetic particles liquid, pictures taken, whether detecting and controlling system can conform to quality requirements according to this roller of MPI fluorescent magnetic particles vestige automatic decision on picture, the carrying out flaw detection of whole roller can be made like this to realize automation mechanized operation, can effectively enhance productivity, reduce labour cost, and improve the quality detected, and then can the quality of effective guarantee rail traffic vehicles.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the one-piece construction schematic diagram (containing cleaning device) of the embodiment of the present invention.
Fig. 2 is the integrated model schematic diagram (not containing cleaning device) of the embodiment of the present invention
Fig. 3 is the structural representation of embodiment of the present invention front end cleaning device.
Fig. 4 is the structural representation of embodiment of the present invention front end pay-off.
Fig. 5 is the structural representation that pay-off movable link stopper in embodiment of the present invention front end transmits support when being positioned at minimum point.
Fig. 6 is the structural representation that pay-off movable link stopper in embodiment of the present invention front end transmits support when being positioned at peak.
Fig. 7 is the structural representation of the embodiment of the present invention first walker.
Fig. 8 is that the embodiment of the present invention magnetizes spray pick-up unit perspective view.
Fig. 9 be the embodiment of the present invention magnetize spray pick-up unit front view.
Figure 10 is the driving mechanism of the embodiment of the present invention, the structural representation of roller clamp system.
Figure 11 is the structural representation of embodiment of the present invention MPI fluorescent magnetic particles liquid spraying mechanism.
Figure 12 is the structural representation of embodiment of the present invention connection terminal.
Figure 13 is the structural representation of embodiment of the present invention end surface measurement device.
Figure 14 is the structural representation of embodiment of the present invention rear end pay-off.
Figure 15 is the structural representation that pay-off movable link stopper in embodiment of the present invention rear end transmits support when being positioned at minimum point.
Figure 16 is the structural representation that pay-off movable link stopper in embodiment of the present invention rear end transmits support when being positioned at peak.
Figure 17 is the structural representation of the embodiment of the present invention second walker.
Figure 18 is the structural representation of embodiment of the present invention rear end cleaning device.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in Figure 1, 2, the art of this patent scheme discloses a kind of automatic flaw detection detection line, it comprises front end cleaning device 1, front end pay-off 3, magnetize spray pick-up unit 4, rear end pay-off 5 and rear end cleaning device 7, front end cleaning device 1 is connected with front end pay-off 3 by conveying belt 2, rear end pay-off 5 is connected with rear end cleaning device 7 by conveying mechanism 6, front end pay-off 3, magnetize spray pick-up unit 4 and rear end pay-off 5 be arranged in a dark place 8.This automatic flaw detection detection line in use, first the bearing roller machined carries out demagnetization cleaning through front end cleaning device 1, then front end pay-off 3 is delivered to by conveying belt, the arrangement of roller lateral order is delivered in the spray pick-up unit 4 that magnetizes and is carried out magnetizing, spraying MPI fluorescent magnetic particles liquid and detect by front end pay-off 3, the roller detected carries out sub-material through rear end pay-off 5, by up-to-standard roller and roller off quality separately, and up-to-standard roller is delivered to rear end cleaning device 7 and carry out demagnetization, cleaning.Be described in detail below in conjunction with the concrete structure of accompanying drawing to each several part.
As shown in Figure 3, front end cleaning device 1 comprises degaussing gear 11, first cleaning section 12, second cleaning section 13, first air-dry section 14, the 3rd cleaning section 15, second dried bean noodles section 16.The bearing roller machined enters front end cleaning device 1 first by degaussing gear 11, then clean through the first cleaning section 12, second cleaning section 13, carry out air-dry through first air-dry section 14 again, and then clean through the 3rd cleaning section 15 grades, carry out air-dry through the second dried bean noodles section 16 again, so just the greasy dirt full scale clearance on roller can be fallen, thus be conducive to follow-up magnetizing and spray MPI fluorescent magnetic particles liquid.
As shown in Figure 4, front end pay-off 3 mainly comprises transmission support 31, first walker 32 and pushes frame 33 3 parts.Transmit support 31 for the roller 10 of multiple longitudinal arrangement being converted to laterally equidistant arrangement, push frame 33 for the roller arranged 10 is pushed to the first walker 32, first walker 32 for the roller arranged 10 being delivered to the spray pick-up unit 4 that magnetizes from transmission support 1.
Transmit support 31 and be provided with multiple delivery unit 312 arranged in parallel, delivery unit 312 comprises fixing link stopper 313 and a movable link stopper 314, the movable link stopper 314 transmitted on support 31 is connected with the first cylinder 311 by a link 316, each movable link stopper 314 is connected with link 316 by a plate 317, and the first cylinder 311 can drive movable link stopper 314 to move up and down.As shown in Figure 5, when movable link stopper 314 moves to minimum point, the upper surface of the fixing link stopper 313 of same delivery unit 312 and the upper surface of movable link stopper 314 form the first dip plane, first dip plane tilts from top to bottom along roller throughput direction, and the top of the first dip plane forms roller conveying trough 315.As shown in Figure 6, when movable link stopper 314 is positioned at peak, the upper surface that the upper surface of the movable link stopper 314 of last delivery unit and a rear delivery unit fix link stopper 313 forms the second dip plane, and the second dip plane tilts from top to bottom along roller throughput direction.
This transmission support 31 in use, the roller machined by last process can roll in the roller conveying trough of first delivery unit of feed end along inclined-plane, when movable link stopper moves to minimum point, roller 10 will slide into the top (as shown in Figure 5) of movable link stopper 314 along the first dip plane.Then the first cylinder 311 promotion activity link stopper 314 is moved upward to summit, the lower surface that now upper surface and second delivery unit of the movable link stopper 314 of first delivery unit fix link stopper 313 can form the second dip plane, and this roller will roll into the roller conveying trough 315 interior (as shown in Figure 6) of second delivery unit along the second dip plane like this.By that analogy, this roller 10 can move in the roller conveying trough of the delivery unit of least significant end always, simultaneously, along with feed end constantly has roller to carry, when in the roller conveying trough that first roller 10 moves to the delivery unit of least significant end, in the roller conveying trough on whole transmission support, be all placed with roller.As a kind of optimal way, an overall end roller can be arranged place block 318(no longer distinguish fixing link stopper and movable shelves in the side of least significant end delivery unit), end roller placement block 318 is provided with the end roller groove for placing roller, and this end roller places block 318 places roller most end one-level as transmission support 31.
As shown in Figure 7, the first walker 32 is positioned at the side of transmitting support 31, and the first walker 32 is connected with a gear train, and gear train can drive the first walker 32 to move around along roller throughput direction.Gear train can be selected and variously in prior art realize straight-line physical construction.As a kind of embodiment, this gear train selects screw-nut body 322, first walker 32 to be connected with the nut of screw-nut body.First walker 32 is provided with a tray, and tray is provided with several roller groove 321, and the number of roller groove 321 is identical with transmitting the groove number of support 31 being placed roller.
Push frame 33 and be positioned at the opposite side transmitting support 31, relative with the first walker 32 position, push frame 33 and be provided with several push pedal 332, the position of push pedal 332 and the position one_to_one corresponding of roller conveying trough 315, push frame 33 to be connected with the second cylinder 331, second cylinder 331 can promote to push frame 33 and move around, and pushes frame 33 moving direction vertical with the first walker 32 moving direction.When the first walker 32 moves to appropriate location, make the roller groove 321 on the first walker 32 and the roller conveying trough 315 position one_to_one corresponding transmitted on support 31, the roller placed in roller conveying trough 315 just can be pushed in roller groove 321 by such propelling movement frame 33, by the first walker 32, the roller of horizontal equidistant arrangement is delivered to the spray pick-up unit 4 that magnetizes.After roller on first walker 32 is removed, is back to initial point and carries next time.
As shown in Figure 8,9, the spray pick-up unit 4 that magnetizes comprises the roller clamp system be arranged on board 41, roller conveyer structure, driving mechanism, mechanism of magnetizing, a few part of MPI fluorescent magnetic particles liquid spraying mechanism and testing agency.Roller clamp system is for clamping the roller that will detect; The roller that roller conveyer structure is used for detecting is delivered to roller clamp system, driving mechanism rotates for making the roller of multiple clamping, magnetize mechanism for operation of magnetizing to the roller that will detect, MPI fluorescent magnetic particles liquid spraying mechanism is used for the roller spray MPI fluorescent magnetic particles liquid after magnetizing, testing agency is used for the roller after to spray and carries out Aulomatizeted Detect, judges whether roller conforms to quality requirements.
As shown in Figure 10, roller clamp system comprises the relative support 42 in two positions, each support is equipped with a moving slider 417, moving slider 417 is connected with a push-and-pull cylinder 434, support 42 is provided with guide rail 418, moving slider 417 and guide rail 418 are slidably connected, and moving slider 417 can slidably reciprocate on support 42.Moving slider 417 is provided with the contact rod 414 of comprise several parallel arrangement, and contact rod 414 can move around with moving slider 418, and contact rod 414 position on two supports 42 is relative.Two brackets 419 can be also provided with between two supports 42, bracket 419 is provided with pilot hole, the position of pilot hole and the position one_to_one corresponding of contact rod 414, contact rod 414 is slidably inserted in pilot hole, the contact rod aligned in position on two supports 41 can be ensured like this, when two relative contact rods 414 clamp, there will not be deviation.In order to roller being clamped, contact rod 414 is also arranged with spring 423.
Be provided with driven wheel 411 at the outboard end of contact rod 414, the driven wheel 411 of adjacent conductive rod outboard end engages each other.Also be provided with driving mechanism in the side of support 42, this driving mechanism comprises a drive motor 416, and drive motor 416 is servomotor, and its rotational angle is controlled.Drive motor 416 is connected with a coupling shaft 415, and coupling shaft 415 connects two synchromesh gears 44, and drive motor 416 can drive two synchromesh gear 44 synchronous rotaries.Two synchromesh gears 44 engage with a driven wheel 411 on two supports 42 respectively, and such drive motor 416 rotates all driven wheels 411 synchronous rotary that just can drive on two supports.Like this when relative two contact rod 414 jamming rollers and when driving roller to rotate, friction is there will not be between contact rod 414 and the end face of roller, prevent the end face of roller from being ground flower, the spray quality of MPI fluorescent magnetic particles liquid can be ensured like this, and then ensure the Detection job of roller end face.
Mechanism of magnetizing comprises several connection terminal 413, connection terminal 413 is connected with the power transformer 410 that magnetizes, connection terminal 413 and contact rod 414 position one_to_one corresponding, connection terminal 413 is connected with a driving mechanism, driving mechanism can drive connection terminal 413 to contact with contact rod 414 or be separated, when two relative contact rod 414 jamming rollers and connection terminal 413 contacts with contact rod 414 time, can loop be formed, now can magnetize to roller.As a kind of optimal way, driving mechanism is a lift cylinder 412, and lift cylinder 412 is connected with connection terminal 413.Connection terminal 413 is positioned at the top of contact rod 414, and the lower surface of connection terminal 413 is provided with the deep-slotted chip breaker 22(that adapts with wire rod 414 shape as shown in figure 12).Like this when lift cylinder 412 drives connection terminal 413 to move down, wire rod 414 be just in time absorbed in deep-slotted chip breaker 422, the contact area of contact rod 414 and connection terminal 413 can be increased like this, thus make charge circuit more stable.As a kind of optimal way, contact rod 414 can select copper rod, and contact rod can be made so more wear-resisting.
As shown in figure 11, MPI fluorescent magnetic particles liquid spraying mechanism comprises several spray head 49, the position one_to_one corresponding of spray head 49 and contact rod 414.Spray head 49 can be arranged on bracket 419, and spray head 49 is for spraying MPI fluorescent magnetic particles liquid to the roller between two contact rods 414.Spray head 49 is connected with shower 420, shower 420 is connected with a thermostat, the MPI fluorescent magnetic particles liquid of spray can be made to remain on stationary temperature by this thermostat, what MPI fluorescent magnetic particles liquid can be made like this to spray on roller 414 is more even, prevents from forming irregular magnetic trace because spray magnetic liquid is overheated on roller 421 surface and affecting testing result.In order to make that the end face of roller also can spray upper MPI fluorescent magnetic particles liquid, projection can be provided with at the end face of contact rod 414, like this when contact rod 414 jamming roller 421, can contact area be reduced, thus the end face of roller can be enable more to contact with MPI fluorescent magnetic particles liquid.
As shown in Figure 8,9, testing agency comprises several side face and detects CCD camera 48, side face detects CCD camera 48 and is positioned in frame 43, side face detects two rows that CCD camera 48 is divided into parallel arranged, the camera lens of two row's cameras is relative, side face detects the top that CCD camera 48 is positioned at spray head 49, and side face detects the position of CCD camera 48 and the position one_to_one corresponding of spray head 49, and detecting CCD camera 48 by side face can take pictures to the outer peripheral face of the roller be clamped between two contact rods 414.Side face detects CCD camera 48 and is connected with detecting and controlling system, and side face detects CCD camera 48 and the photo of shooting is sent to detecting and controlling system, is analyzed, and then judge that whether the quality of roller is qualified by detecting and controlling system according to corresponding algorithm comparison film.
In order to ensure the quality of taking pictures, frame 43 is also provided with two side face illumination LED uviol lamps 47, two side face illumination LED uviol lamps 47 lay respectively at the outside that two row's side faces detect CCD camera 48, and side face illumination LED uviol lamp 47 can provide illumination when taking pictures as light source.Side face detects CCD camera 48 and is arranged on an erecting frame 46, erecting frame 46 is connected with an apparatus for adjusting position 45, apparatus for adjusting position 45 can drive erecting frame about 46, move left and right, apparatus for adjusting position 45 is positioned in frame 43, can adjust by apparatus for adjusting position 45 position that side face detects CCD camera 48 very easily, thus best shooting effect can be reached.
As shown in figure 13, this testing agency also comprises an end face pick-up unit, and end surface measurement device comprises relative end surface measurement CCD camera 427, two the end surface measurement CCD camera 427 in two positions and to stagger certain distance.Two end surface measurement cameras 427 are fixed on support 430, two end surface measurement cameras 427 are positioned at the both sides of walker 424, an annular LED uviol lamp 428 is provided with between end surface measurement CCD camera 427 and walker 424, the camera lens of end surface measurement CCD camera 427 is corresponding with circular hole 429 position in the middle of annular LED uviol lamp 428, end surface measurement CCD camera 427 be also connected with detecting and controlling system, annular LED uviol lamp 428 is fixed on support 431.The photo of shooting for taking pictures to the end face of roller, and is sent to detecting and controlling system by end surface measurement camera 427, is analyzed according to corresponding algorithm comparison film by detecting and controlling system, and then judges that whether the quality of roller is qualified.
Annular LED uviol lamp 428 is set except providing illumination, end surface measurement CCD camera 427 can also be made to be focused on by circular hole 429, better shooting effect can be arrived like this.As a kind of optimal way, end surface measurement CCD camera 427 can be connected with transversal driving mechanism 433 and longitudinal driving mechanism 432, can very convenient adjustment end surface measurement CCD camera 427 position by transversal driving mechanism 433 and longitudinal driving mechanism 432.
When adopting this testing agency to detect roller, first by front end pay-off 3, multiple roller 10 arranged in parallel is delivered to the spray pick-up unit that magnetizes, and by roller clamp system, roller is clamped, by magnetizing, mechanism magnetizes to roller, simultaneously spinning rollers spray MPI fluorescent magnetic particles liquid on roller, after roller sprays MPI fluorescent magnetic particles liquid completely, taken pictures to roller surface by the CCD camera in testing agency, and photo is sent to detecting and controlling system, by the graphical analysis MPI fluorescent magnetic particles vestige of detecting and controlling system according to shooting, judge that whether this roller quality is qualified.When adopting side face detection CCD camera 48 to take to roller outer peripheral face, roller stops the rotation after often rotating to an angle, detect CCD camera 48 by side face to take its surface, then roller rotates to an angle again, until complete the shooting of whole roller outer peripheral face.
Roller after having detected carries out sub-material and conveying by rear end pay-off 5.As shown in figure 14, rear end pay-off 5 comprises the second walker 51, transmits support 52, feeding distribution mechanism 53, the several part of pallet 54.Second walker 51 is for delivering to the position of transmitting support 52 correspondence by the roller 10 after having detected, up-to-standard roller and roller off quality separate for the order according to detecting and controlling system by feeding distribution mechanism 53, pallet 54, for holding roller off quality, transmits support 52 for up-to-standard roller is delivered to next process.
As shown in figure 17, the second walker 51 is connected with a gear train, and gear train can drive the second walker 51 to move around along roller throughput direction.Gear train can be selected and variously in prior art realize straight-line physical construction.As a kind of embodiment, this gear train selects screw-nut body 512, second walker 51 to be connected with the nut of screw-nut body.Second walker 51 is provided with a tray, and tray is provided with several roller groove 511.
Transmit the side that support 52 is positioned at the second walker 51, transmit support 52 and be provided with multiple delivery unit 522 arranged in parallel.As shown in figure 15, delivery unit 522 comprises fixing link stopper 523 and a movable link stopper 524, the movable link stopper 524 transmitted on support 52 is connected with lift cylinder 521 by a link 526, and each movable link stopper 524 is connected with link 526 by a plate 527. and lift cylinder 521 can drive movable link stopper 524 to move up and down.When movable link stopper 524 moves to minimum point, the upper surface of the fixing link stopper 523 of same delivery unit 522 and the upper surface of movable link stopper 524 form the 3rd dip plane, 3rd dip plane tilts from top to bottom along roller throughput direction, the top of the 3rd dip plane forms roller conveying trough 525, and the number of roller conveying trough 525 is equal with the number of roller groove 511.When movable link stopper 524 is positioned at peak, the upper surface that the upper surface of the movable link stopper 524 of last delivery unit and a rear delivery unit fix link stopper 523 forms the 4th dip plane, and the 4th dip plane tilts (as shown in figure 16) from top to bottom along roller throughput direction.
Feeding distribution mechanism 53 is positioned at the opposite side of the second walker 51, and feeding distribution mechanism 53 comprises multiple double stroke cylinder 531 arranged in parallel, and double stroke cylinder 531 is connected with detecting and controlling system, the position of double stroke cylinder 531 and the position one_to_one corresponding of roller groove 511.Pallet 54 is positioned at and transmits the side of support away from the second walker 51, and pallet 54 is provided with multiple roller material-dividing groove 541, the position of roller material-dividing groove 541 and the position one_to_one corresponding of roller standing groove 511.
This device in use, second walker 51 first can carry out end surface measurement with roller, when adopting end surface measurement CCD camera 427 pairs of roller end faces to detect, roller on second walker 51 is not when an end surface measurement CCD camera 427, needs make a short pause, whether the end face can being convenient to end surface measurement CCD camera 427 pairs of rollers is like this taken pictures, thus conform to quality requirements to roller end face and judge.
After carrying out flaw detection, roller 10 unclamps by roller clamp system, second walker 51 is positioned at the below of roller clamp system, roller 10 after such detection will be placed in roller groove 511 and move to the position corresponding with transmitting support 2 with the second walker 51, and the result simultaneously detected can be stored in detecting and controlling system.Detecting and controlling system controls double stroke cylinder 531 action, for up-to-standard roller, the piston rod of double stroke cylinder 531 stretches out shorter stroke, the roller of correspondence position can be shifted onto and transmit in roller conveying trough 525 corresponding to support, for roller off quality, the piston rod of double stroke cylinder 531 then stretches out longer stroke and is released from transmitting in roller conveying trough corresponding to support by the roller of correspondence position, shift onto in the roller material-dividing groove 541 of pallet 54 correspondence, so just up-to-standard roller and roller off quality can be separated.In order to promote more smoothly, between the second walker 51 and transmission support 52, be also provided with a transition bracket 55, transition bracket 55 is provided with the groove corresponding with roller conveying trough 525 position.
The roller being pushed to pallet 54 is defective roller, only need directly reclaim.Being pushed to the roller transmitted on support 52 then needs automatic transport to clean to next process.This transmission support 52 is when transmitting roller, and when first making movable link stopper 524 move to minimum point, roller 10 will slide into the top (as shown in figure 15) of movable link stopper 524 along the first dip plane.Then lift cylinder 521 promotion activity link stopper 524 is moved upward to summit, the lower surface that the upper surface of now previous stage delivery unit activity link stopper 524 and rear stage delivery unit fix link stopper 523 can form the second dip plane, and this roller will roll into the roller conveying trough 525 interior (as shown in figure 16) of next delivery unit along the second dip plane like this.As an embodiment, along roller outbound course, be provided with an end link stopper 528 near the side of least significant end delivery unit, the upper surface of end link stopper 528 is the inclined-plane tilted from top to bottom along roller throughput direction.Roller in such most end one-level delivery unit 522 will roll out along end link stopper 258, by that analogy, transmit all rollers 6 in support 2 all can move to the delivery unit of least significant end and roll out along end link stopper 28, and deliver to subsequent processing by conveying mechanism 6 and clean.
Transversely arranged roller 10 can be converted to longitudinal arrangement by conveying mechanism 6, and the roller 10 of longitudinal arrangement enters rear end cleaning device 7.As shown in figure 18, rear end cleaning device 7 comprises degaussing gear 71, the 4th cleaning section 72, the 5th cleaning section 73 and the 3rd air-dry section 74, carry out the roller after carrying out flaw detection after degaussing gear 71 carries out demagnetization, clean through the 4th cleaning section 72, the 5th cleaning section 73 successively again, and through the 3rd air-dry section 74 carry out air-dry after, this carrying out flaw detection can complete, and so just can descend road assembling procedure.
This detection line operationally, by front end pay-off, transversely arranged roller is delivered to roller clamp system, by the contact rod of roller clamp system, the roller of centre is picked up, the connection terminal of mechanism of now magnetizing moves and contacts with contact rod, make that contact rod is charged to magnetize to roller, meanwhile, driving mechanism work drives roller to rotate, spray head on MPI fluorescent magnetic particles liquid spraying mechanism sprays MPI fluorescent magnetic particles liquid on roller, then taken pictures by the surface of the CCD camera in testing agency to roller, and photo is sent to detecting and controlling system, judge whether this roller conforms to quality requirements by detecting and controlling system according to the MPI fluorescent magnetic particles vestige on photo.This Aulomatizeted Detect line structure is simple, easy to use, can be realized magnetizing, spray the automation mechanized operation of MPI fluorescent magnetic particles liquid, pictures taken, whether detecting and controlling system can conform to quality requirements according to this roller of MPI fluorescent magnetic particles vestige automatic decision on picture, the carrying out flaw detection of whole roller can be made like this to realize automation mechanized operation, can effectively enhance productivity, reduce labour cost, and improve the quality detected, and then can the quality of effective guarantee rail traffic vehicles.
The above, be only the specific embodiment of the present invention, and in the description of this instructions, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.Therefore protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace; all should be encompassed within protection scope of the present invention, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. an automatic flaw detection detection line, is characterized in that, it comprises:
Front end pay-off, described front end pay-off comprises the first walker, and described first walker is provided with multiple transverse direction roller groove arranged in parallel, and described first walker can move around along roller throughput direction;
Magnetize spray pick-up unit, the described spray pick-up unit that magnetizes comprises roller clamp system, driving mechanism, mechanism of magnetizing, MPI fluorescent magnetic particles liquid spraying mechanism and testing agency, described roller clamp system is for clamping the roller that will detect, described driving mechanism rotates for making the roller of multiple clamping, described mechanism of magnetizing is for magnetizing to the roller that will detect, described MPI fluorescent magnetic particles liquid spraying mechanism is used for the roller spray MPI fluorescent magnetic particles liquid after magnetizing, described testing agency is used for the roller after to spray and detects, and judges whether terminal conforms to quality requirements;
Rear end pay-off, described rear end pay-off comprises the second walker, and described second walker is provided with multiple transverse direction roller groove arranged in parallel, and described second walker can move around along roller throughput direction.
2. automatic flaw detection detection line according to claim 1, it is characterized in that: described front end pay-off also comprises a transmission support and and pushes frame, described transmission support is provided with multiple delivery unit arranged in parallel, described delivery unit comprises fixing link stopper and a movable link stopper, described movable link stopper can move up and down, when described movable link stopper is positioned at minimum point, the fixing link stopper of same delivery unit and the upper surface of movable link stopper form the first dip plane, when described movable link stopper is positioned at peak, the upper surface that the upper surface of the movable link stopper of last delivery unit and a rear delivery unit fix link stopper forms the second dip plane, described first dip plane, second dip plane tilts from top to bottom along roller throughput direction, the top of described first dip plane forms roller conveying trough, described propelling movement chord position is in the side of described transmission support, described propelling movement frame is provided with several push pedal, the position of described push pedal and the position one_to_one corresponding of described roller conveying trough, described propelling movement frame can move around, and described propelling movement frame moving direction is vertical with described first walker moving direction.
3. automatic flaw detection detection line according to claim 1, it is characterized in that: described roller clamp system comprises the relative support in two positions, each support is equipped with a moving slider, described moving slider can slidably reciprocate on the bracket, described moving slider is provided with the contact rod of comprise several parallel arrangement, contact rod position on two supports is relative, and the outboard end of described contact rod is provided with driven wheel, and the driven wheel of adjacent conductive rod outboard end engages each other; Described driving mechanism comprises a drive motor, and described drive motor is connected with a coupling shaft, and described coupling shaft connects two synchromesh gears, and two synchromesh gears engage with a driven wheel on described two supports respectively; Described mechanism of magnetizing comprises several connection terminal, described connection terminal is connected with the power supply that magnetizes, described connection terminal and described contact rod position one_to_one corresponding, described connection terminal is connected with a driving mechanism, and described driving mechanism can drive described connection terminal to contact with described contact rod or be separated; Described MPI fluorescent magnetic particles liquid spraying mechanism comprises several spray head, described spray head and described contact rod position one_to_one corresponding; Testing agency of institute comprises several side face and detects CCD camera, described side face detects CCD camera and is positioned in frame, described side face detects the top that CCD camera is positioned at described spray head, described side face detects the position of CCD camera and the position one_to_one corresponding of described spray head, and described side face detects CCD camera and is connected with detecting and controlling system.
4. automatic flaw detection detection line according to claim 3, it is characterized in that: the side of described rear end pay-off is also provided with a feeding distribution mechanism, described feeding distribution mechanism is positioned at the side of the second walker, described feeding distribution mechanism comprises multiple double stroke cylinder arranged in parallel, described double stroke cylinder is connected with described detecting and controlling system, the position of described double stroke cylinder and the position one_to_one corresponding of described roller groove.
5. automatic flaw detection detection line according to claim 3, it is characterized in that: described testing agency also comprises an end face pick-up unit, described end surface measurement device comprises the relative end surface measurement CCD camera in two positions, two end surface measurement cameras are positioned at the both sides of described walker, and described end surface measurement CCD camera is connected with described detecting and controlling system.
6. automatic flaw detection detection line according to claim 1, is characterized in that: the front end of described front end pay-off is provided with front end cleaning device, and described cleaning device comprises cleaning section and air-dry section.
7. automatic flaw detection detection line according to claim 5, is characterized in that: the front end of described front end cleaning device is also provided with degaussing gear.
8. automatic flaw detection detection line according to claim 1, is characterized in that: the rear end of described rear end pay-off is provided with rear end cleaning device, and described rear end cleaning device comprises cleaning section and air-dry section.
9. an automatic flaw detection detection method, it is characterized in that, it comprises the steps: first by front end pay-off, multiple roller arranged in parallel to be delivered to the spray pick-up unit that magnetizes, and by roller clamp system, roller is clamped, by magnetizing, mechanism magnetizes to roller, simultaneously spinning rollers spray MPI fluorescent magnetic particles liquid on roller, after roller sprays MPI fluorescent magnetic particles liquid completely, taken pictures to roller outer peripheral face and two end faces by the CCD camera in testing agency, and photo is sent to detecting and controlling system, by the graphical analysis MPI fluorescent magnetic particles vestige of detecting and controlling system according to shooting, judge that whether this roller quality is qualified.
10. automatic flaw detection detection method according to claim 9, it is characterized in that: when adopting CCD camera to take to roller outer peripheral face, roller stops the rotation after often rotating to an angle, by CCD camera, its surface is taken, then roller rotates to an angle again, until complete the shooting of whole roller outer peripheral face.
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| CN108459072A (en) * | 2018-04-17 | 2018-08-28 | 东莞市慧眼数字技术有限公司 | A kind of damaged metal remote detection terminal based on electromagnetic conductive |
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| CN114235947A (en) * | 2021-12-23 | 2022-03-25 | 衡阳市金则利特种合金股份有限公司 | Magnetic powder flaw detection system and method for round bar steel |
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| CN110376277B (en) * | 2019-07-25 | 2023-02-03 | 湖州阳力钢结构有限公司 | Roller flaw detection process for steel structure production |
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| CN114235947A (en) * | 2021-12-23 | 2022-03-25 | 衡阳市金则利特种合金股份有限公司 | Magnetic powder flaw detection system and method for round bar steel |
| CN114235947B (en) * | 2021-12-23 | 2024-02-06 | 衡阳市金则利特种合金股份有限公司 | Magnetic powder inspection system and inspection method for round bar steel |
| CN116577408A (en) * | 2023-07-12 | 2023-08-11 | 江苏赛福探伤设备制造有限公司 | Magnetic powder inspection machine for bearing roller |
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