CN105058074A - Screw driving supporting device - Google Patents
Screw driving supporting device Download PDFInfo
- Publication number
- CN105058074A CN105058074A CN201510437875.2A CN201510437875A CN105058074A CN 105058074 A CN105058074 A CN 105058074A CN 201510437875 A CN201510437875 A CN 201510437875A CN 105058074 A CN105058074 A CN 105058074A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- tray
- nut seat
- microscope carrier
- lathe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/408—Nut bearings therefor
Abstract
A screw driving supporting device comprises a power unit, a screw, a nut seat and a hydraulic unit, wherein the power unit is fixedly arranged on a machine tool and drives the screw to rotate in a reciprocating mode; the nut seat is connected with a carrier platform arranged at the top edge of the machine tool; the screw penetrates through the nut seat in a screwed mode so that the carrier platform can reciprocate; a plurality of static hydraulic chambers are formed between the carrier platform and the machine tool and close to two sides of the machine tool; the hydraulic unit distributes and conveys hydraulic oil to all the static hydraulic chambers so that the static pressure of the hydraulic oil in the static hydraulic chambers can be changed. The relative acting force, for supporting the carrier platform, of the hydraulic oil inside the static hydraulic chambers is changed by means of the hydraulic unit, and the posture of the carrier platform is adjusted, so that the precision of machining working executed by machining equipment is maintained.
Description
Technical field
The present invention relates to the microscope carrier of process equipment, furthermore, espespecially a kind of screw drive bracing or strutting arrangement, described microscope carrier is for carrying machining machine and tool or machined object.
Background technology
Known a kind of process equipment has a lathe and a microscope carrier, microscope carrier is lived and is located at lathe apical margin, and the both sides of microscope carrier root edge are hooked respectively in lathe, microscope carrier is for carrying the fixture of various machining machine and tool or location machined object, microscope carrier drives linear shift reciprocately by a gearshift, and carry out processing operation accordingly.
Drive the known gearshift of microscope carrier linear displacement, mainly comprise a servo motor, a screw rod and a nut seat, wherein, servo motor is fixed on lathe, and screw rod one end and servo motor are coupling, the other end and lathe pivot joint, nut seat connects with microscope carrier, and the stage casing spiral shell of screw rod wears nut seat, accordingly, during servo motor driven screw rod reciprocating rotary, nut seat drives microscope carrier along the long axis direction shift reciprocately being parallel to screw rod.
Microscope carrier is subject to the support of lathe, and the surface that lathe and microscope carrier contact relatively is coated with oily lubricant and forms oil film, during microscope carrier shift reciprocately, by the lubrication of oil film, reduces the Relative friction of microscope carrier and lathe.
Moreover, screw rod, microscope carrier and microscope carrier carry the weight of object, gravity perpendicular to screw rod major axis is formed to screw rod, this gravity acts on screw rod by nut seat, the section of screw rod between two ends is easily made to be bent downwardly distortion, along with the rotation of screw rod, the deformation direction of screw rod constantly changes, screw rod easily ruptures due to fatigue of materials, affect the service life of screw rod, and the axial length of screw rod is relevant to the maximum displacement stroke forward of microscope carrier, the maximum displacement stroke of microscope carrier is longer, the axial length of screw rod increases thereupon, when the axial length of screw rod is longer, aforementioned gravity causes the impact of nut stem material fatigue more obvious, the service life of screw rod is lower.
As can be seen here, above-mentioned article of commonly using still have many disappearances, a real non-kindhearted designer, and are urgently improved.
Inventor in view of above-mentioned commonly use microscope carrier gearshift every shortcoming of deriving, be urgently think to be improved innovation, and after taking great pains to attain one's goal for many years and concentrating on studies, finally successfully researched and developed this part microscope carrier gearshift.
Summary of the invention
Main purpose of the present invention is to provide a kind of screw drive bracing or strutting arrangement, forms support by support structure to screw rod, reduces the bending deformation quantity of screw rod due to Action of Gravity Field, improves the service life of screw rod.
A kind of screw drive bracing or strutting arrangement of system of the present invention, comprise a power unit, a screw rod, a nut seat and a support structure, wherein, this power unit is fixedly arranged on a lathe, and this screw rod one end and this power unit are coupling, the other end and this lathe pivot joint, according to making this power unit drive this screw rod reciprocating rotary, this nut seat connects with a microscope carrier, and this lathe apical margin is located at by this microscope carrier, this screw rod spiral shell wears this nut seat, according to making this microscope carrier shift reciprocately;
This support structure comprises a rail bar, two trays and two connecting rods, wherein, this rail bar is fixedly arranged on this lathe and parallel with this screw rod, this nut seat is by being located at this rail bar apical margin, respectively this tray is hubbed at this rail bar apical margin respectively, and respectively respectively these tray both sides are located at respectively by this connecting rod, and respectively these connecting rod two ends connect with each this tray respectively, this nut seat is respectively between this tray, and this screw rod is by being located at respectively this tray apical margin.
Foregoing screw drive bracing or strutting arrangement, wherein, respectively this tray apical margin caves in a bracket respectively, and this screw rod pivot is against this bracket.
Foregoing screw drive bracing or strutting arrangement, wherein, respectively this tray is respectively at two ends projection two buffer stopper.
Foregoing screw drive bracing or strutting arrangement, wherein, the embedding several roller of this rail bar apical margin interval pivot.
This support structure forms multi-point support to this screw rod, reduces the distortion of this screw rod due to Action of Gravity Field, improves the service life of this screw rod.
Accompanying drawing explanation
The present invention of Fig. 1 system is arranged at the lathe of process equipment and the schematic perspective view of microscope carrier.
The present invention of Fig. 2 system is arranged at the lathe of process equipment and the perspective exploded view of microscope carrier.
The present invention of Fig. 3 system is arranged at the lathe of process equipment and the front view of microscope carrier.
The screw rod of Fig. 4 system the present invention and the schematic perspective view of support structure.
Fig. 5 system right side view of the present invention.
The present invention of Fig. 6 system is in the part amplification stereogram supporting structure one end.
The present invention of Fig. 7 system is in the part amplification stereogram supporting the structure other end.
Detailed description of the invention
As shown in Figures 1 and 2, screw drive bracing or strutting arrangement of the present invention, comprise a power unit 10, one screw rod 20, one nut seat 30 and a hydraulic pressure unit 50, wherein, this power unit 10 is for driving this screw rod 20 reciprocating rotary, this power unit 10 formed primarily of a motor 12 reductor 14 that is coupling, this motor 12 drives this reductor 14 to operate, this motor 10 is servo motor, this power unit 10 is fixedly arranged on a lathe 80 of process equipment, this screw rod 20 one end and this reductor 14 are coupling, the other end is by a bearing block 21 and this lathe 80 pivot joint, this screw rod 20 reciprocating rotary is driven according to making this power unit 10, this nut seat 30 connects with a microscope carrier 90 of process equipment, this lathe 80 apical margin is located at by this microscope carrier 90, this screw rod 20 spiral shell wears this nut seat 30, accordingly, when this power unit 10 drives this screw rod 20 reciprocating rotary, the relative rotation of this screw rod 20 and this nut seat 30, make this microscope carrier 90 along the direction shift reciprocately of major axis being parallel to this screw rod 20.
As shown in Figures 1 and 3, two guiding structures 40 are located at the both sides of this lathe 80 respectively, respectively this guiding structure 40 comprises a slide rail 42, two respectively and holds seat 44 and two slide blocks 46, and wherein, this slide rail 42 connects with this microscope carrier 90, respectively this is held seat 44 and connects with this lathe 80 respectively, respectively this slide block 46 is located at respectively that this holds seat 44 respectively, and this slide rail 42 pivot wears respectively this slide block 46, during this microscope carrier 90 shift reciprocately, this slide rail 42 and respectively this slide block 46 Relative sliding, guide the direction of displacement of this microscope carrier 90 by this.
As shown in Figure 2, this hydraulic pressure unit 50 comprises oil trap 51, pumping 52, distributor 53 and a several hydrostatic pressure room 54, wherein, this oil trap 51 is for storage liquid force feed, this oil trap 51 and this distributor 53 are communicated with this pumping 52 respectively, this pumping 52 is for collecting the hydraulic oil deposited to this distributor 53 pumping by this oil trap 51, respectively this hydrostatic room 54 is formed at the both sides between this microscope carrier 90 root edge and this lathe 80 apical margin respectively.
Respectively this hydrostatic room 54 is communicated with one first pipeline 55 respectively, respectively this first pipeline 55 is communicated with this distributor 53 by a petroleum pipeline 552 respectively, conveying liquid force feed is distributed to each this hydrostatic room 54 according to making this distributor 53, change the static pressure of respectively this hydrostatic pressure room 54 internal hydraulic pressure oil by this, and then regulate the lifting of these microscope carrier 90 both sides respectively a little, change the attitude of this microscope carrier 90, the apical margin both sides of this this microscope carrier 90 of lathe 80 neighborwise are recessed to form respectively this hydrostatic room 54 respectively, respectively this first pipeline 55 is be formed at this lathe 80 inside, as shown in Fig. 4 and Fig. 7, this hydraulic pressure unit 50 comprises several oil-recovery tank 56 further, respectively this oil-recovery tank 56 is formed between this microscope carrier 90 root edge and this lathe 80 apical margin respectively, the apical margin both sides of this this microscope carrier 90 of lathe 80 neighborwise are recessed to form respectively this oil-recovery tank 56 respectively, respectively this oil-recovery tank 56 is communicated with this oil trap 51 by a second pipe respectively, respectively this second pipe system is formed at this lathe 80 inside, respectively this oil-recovery tank 56 is respectively used to collect the hydraulic oil receiving respectively this hydrostatic room 54 overflow, respectively this second pipe is respectively used to guide hydraulic oil to flow to this oil trap 51, this oil trap 51, this pumping 52 and this distributor 53 are the existing hydraulic package that field of hydraulic control personage has the knack of respectively, for this reason in detail this oil trap 51 is not described in detail, the concrete formation of this pumping 52 and this distributor 53.
As shown in Figures 4 to 7, screw drive bracing or strutting arrangement of the present invention, comprise power unit 10, screw rod 20, nut seat 30 and and support that structure 60 formed.
This support structure 60 comprises a rail bar 62, two tray 64 and two connecting rods 66, wherein, this rail bar 62 is fixedly arranged on this lathe 80 and is positioned at the root edge of this screw rod 20, and this rail bar 62 is parallel with this screw rod 20, the embedding several roller 622 of this rail bar 62 apical margin interval pivot, this nut seat 30 is by being located at this rail bar 62 apical margin, this rail bar 62 of mat provides support to this nut seat 20, respectively this tray 64 is hubbed at this rail bar 62 apical margin respectively, and this rail bar 62 apical margin part pivot is embedded in respectively this tray 64, according to make respectively this tray 64 in this rail bar 62 apical margin slippage, respectively respectively these tray 64 both sides are located at respectively by this connecting rod 66, and respectively these connecting rod 66 two ends connect with each this tray 64 respectively, this nut seat 30 is respectively between this tray 64, respectively this tray 64 is respectively at two ends projection two buffer stopper 68, this buffer stopper 68 is that padded coaming is formed, described padded coaming can select rubber or other there is the material of shock-absorbing and cushioning effect.
Respectively this tray 64 apical margin is recessed to form a bracket 642 respectively, this screw rod 20 is by being located at respectively this tray 64 apical margin, and pivot is against this bracket 642, accordingly, this rail bar 62 provides support to this nut seat 30, and respectively this tray 64 forms multiple spot support to this screw rod 20 on gravity direction, reduce this nut seat 30, this microscope carrier 90, the gravity of this microscope carrier institute bearing article and this screw rod 20 own wt, the deflection that gravity direction produces distortion is caused for this screw rod 20, and then reduce this impact of screw rod 20 in fatigue of materials, improve the service life of this screw rod 20, and the length of this screw rod 20 is longer, the effect that this screw rod 20 of this support structure 60 reduction is out of shape due to gravity is more remarkable.
This roller 622 may be selected to be ball or roller, and this nut seat 30, by being located at the apical margin of this roller 622, during this nut seat 30 displacement, reduces the relative friction between this nut seat 30 with this rail bar 62 by this roller 622.
This nut seat 30 is between these screw rod 20 two ends during shift reciprocately, along with the difference of this nut seat 30 direction of displacement, touch respectively this tray 64 respectively, this nut seat 30 is slowed down to the relative impact of this tray 64 by this buffer stopper 68, and this nut seat 30 passes respectively this nut seat 60 and respectively this connecting rod 66 displacement, when this tray 64 touches this lathe 80, this nut seat 30 is slowed down to the relative impact of this tray 64 by this buffer stopper 68, now, respectively this tray 64 and respectively this connecting rod 66 be subject to the backstop of this lathe 80 and stop displacement, accordingly, along with the displacement of this nut seat 30, this nut seat 30, this microscope carrier 90, the Action of Gravity Field of this microscope carrier 90 bearing articles changes in the point of application of this screw rod 20 thereupon, and this support structure 60 can coordinate the change of the described gravity point of application, keep the effective support to this nut seat 30 and this microscope carrier 90.
In sum, this case not only really belongs to innovation in the kenel of space, and can promote above-mentioned multinomial effect by more usual article, fully should meet the Statutory Invention patent requirement of novelty and creativeness, filing an application in whence in accordance with the law, earnestly asks your office and check and approve this part application for a patent for invention case, to encourage creation, to feeling moral just.
Primary clustering symbol description
10 power units
12 motors
14 reductors
20 screw rods
21 bearing blocks
30 nut seats
40 guiding structures
42 slide rails
44 hold seat
46 slide blocks
50 hydraulic pressure units
51 oil traps
52 pumpings
53 distributors
54 hydrostatic pressure rooms
55 first pipelines
552 petroleum pipelines
56 oil-recovery tanks
80 lathes
90 microscope carriers
Claims (4)
1. screw drive bracing or strutting arrangement, comprises:
One power unit is be fixedly arranged on a lathe;
One screw rod, its one end and this power unit are coupling, the other end and this lathe pivot joint, drive this screw rod reciprocating rotary according to making this power unit;
One nut seat, be connect with a microscope carrier, this lathe apical margin is located at by this microscope carrier, and this screw rod spiral shell wears this nut seat, according to making this microscope carrier shift reciprocately;
One supports structure, comprise a rail bar, two trays and two connecting rods, wherein, this rail bar is fixedly arranged on this lathe and parallel with this screw rod, and this nut seat is by being located at this rail bar apical margin, and respectively this tray is hubbed at this rail bar apical margin respectively, respectively respectively these tray both sides are located at respectively by this connecting rod, and respectively these connecting rod two ends connect with each this tray respectively, this nut seat is respectively between this tray, and this screw rod is by being located at respectively this tray apical margin.
2. the screw drive bracing or strutting arrangement as described in claim the 1, wherein this tray apical margin caves in a bracket respectively, and this screw rod pivot is against this bracket.
3. the screw drive bracing or strutting arrangement as described in claim the 1, wherein this tray is respectively at two ends projection two buffer stopper.
4. the screw drive bracing or strutting arrangement as described in claim the 1, the wherein embedding several roller of this rail bar apical margin interval pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437875.2A CN105058074A (en) | 2015-07-23 | 2015-07-23 | Screw driving supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437875.2A CN105058074A (en) | 2015-07-23 | 2015-07-23 | Screw driving supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105058074A true CN105058074A (en) | 2015-11-18 |
Family
ID=54487699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510437875.2A Pending CN105058074A (en) | 2015-07-23 | 2015-07-23 | Screw driving supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105058074A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712351A (en) * | 2018-04-16 | 2020-09-25 | 星精密株式会社 | Machine tool |
| CN112081898A (en) * | 2019-06-14 | 2020-12-15 | 上银科技股份有限公司 | Ball screw capable of feeding back stress state |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155142A (en) * | 1982-03-04 | 1983-09-14 | Nachi Fujikoshi Corp | Hybrid precise positioning and feed mechanism |
| US6142030A (en) * | 1993-10-12 | 2000-11-07 | Smc Kabushiki Kaisha | Actuator and actuator system |
| CN2546139Y (en) * | 2002-06-07 | 2003-04-23 | 上银科技股份有限公司 | Screw supporting apparatus |
| CN202125577U (en) * | 2011-06-22 | 2012-01-25 | 准力机械股份有限公司 | Double-cable balance move-guide type screw support structure |
| CN104511782A (en) * | 2014-12-19 | 2015-04-15 | 昆山华都精工机械设备有限公司 | Gantry lead screw mechanism |
| CN104728379A (en) * | 2013-12-18 | 2015-06-24 | 上银科技股份有限公司 | Ball screw support device |
| CN204843529U (en) * | 2015-07-23 | 2015-12-09 | 洪子涵 | Microscope carrier transmission strutting arrangement |
-
2015
- 2015-07-23 CN CN201510437875.2A patent/CN105058074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155142A (en) * | 1982-03-04 | 1983-09-14 | Nachi Fujikoshi Corp | Hybrid precise positioning and feed mechanism |
| US6142030A (en) * | 1993-10-12 | 2000-11-07 | Smc Kabushiki Kaisha | Actuator and actuator system |
| CN2546139Y (en) * | 2002-06-07 | 2003-04-23 | 上银科技股份有限公司 | Screw supporting apparatus |
| CN202125577U (en) * | 2011-06-22 | 2012-01-25 | 准力机械股份有限公司 | Double-cable balance move-guide type screw support structure |
| CN104728379A (en) * | 2013-12-18 | 2015-06-24 | 上银科技股份有限公司 | Ball screw support device |
| CN104511782A (en) * | 2014-12-19 | 2015-04-15 | 昆山华都精工机械设备有限公司 | Gantry lead screw mechanism |
| CN204843529U (en) * | 2015-07-23 | 2015-12-09 | 洪子涵 | Microscope carrier transmission strutting arrangement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712351A (en) * | 2018-04-16 | 2020-09-25 | 星精密株式会社 | Machine tool |
| US11358225B2 (en) | 2018-04-16 | 2022-06-14 | Star Micronics Co., Ltd. | Machine tool |
| CN112081898A (en) * | 2019-06-14 | 2020-12-15 | 上银科技股份有限公司 | Ball screw capable of feeding back stress state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |