CN103469491B - Non-woven fabric manufacturing equipment and rub unit - Google Patents
Non-woven fabric manufacturing equipment and rub unit Download PDFInfo
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- CN103469491B CN103469491B CN201310331055.6A CN201310331055A CN103469491B CN 103469491 B CN103469491 B CN 103469491B CN 201310331055 A CN201310331055 A CN 201310331055A CN 103469491 B CN103469491 B CN 103469491B
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Abstract
The present invention relates to a kind of non-woven fabric manufacturing equipment, it comprises rubs unit for what rub process to nonwoven fabric, this rub unit comprise be oppositely arranged first rub roller and second and rub roller, this first rubs roller and this second is rubbed and have gap between roller and pass through for nonwoven fabric, this first is rubbed roller and this second surface of rubbing roller and is formed with the predetermined of mutual corresponding matching and rubs rill, this first rub roller and this second rub roller for this nonwoven fabric by time it is rubbed, turn to make the arrangement of fiber in this nonwoven fabric, and make simultaneously the fiber in this nonwoven fabric with this rub rill occur bending and deformation with on this nonwoven fabric formed with this make a reservation for rub the corresponding decorative pattern of rill.Compared with prior art, this non-woven fabric manufacturing equipment provided by the present invention adopts and rubs unit and rub process to the nonwoven fabric after consolidation and have to obtain the nonwoven fabric that the uniform surface of fibre structure has floral designs.The invention still further relates to one and rub unit.
Description
Technical field
The present invention relates to a kind of non-woven fabric manufacturing equipment and rub unit.
Background technology
Nonwoven fabric is also known as non-weaving cloth, refer to without traditional spinning, woven or knitting made cloth, it is generally utilize carding machine to be become net by the means such as air-flow or machinery after single fiber state by fibrous raw material combing, then through mode consolidations such as water thorn, acupuncture or hot rollings, eventually passing the cloth without braiding that Final finishing is formed, is a kind of tencel goods with softness, ventilative and planar structure.
But, in actual production process, the fibrous raw material of single fiber is carded in laid process through carding machine, due to the size of lapping mode and fiber itself, the impact of the reason such as kind and antistatic property, fibre bundle or fibrous mass can be reassembled between fiber, thus make the fiber web of formation to occur so-called " clouding " or fibre bundle phenomenon, destroy the fibroreticulate uniformity, and when such fiber web is formed after non-woven cloth products through techniques such as follow-up consolidations, be formed in " clouding " in fiber web and fibre bundle will form lump and have influence on the feel of nonwoven fabric in non-woven cloth products, the quality of product is declined.
In addition, because the fiber in nonwoven fabric has certain orientation, the longitudinal direction (MD) of usual fiber and the ratio that laterally (CD) is powerful differentiate that non-woven cloth products in all directions resistance to tears performance, the ratio of MD:CD is less, illustrates that in all directions resistance to of non-woven cloth products tears performance difference less.And in existing non-woven fabrics craft, in fiber web after carding, fiber majority can (i.e. MD direction) be arranged along the longitudinal, and the fiber of arranging on transverse direction (CD direction) direction is relatively less, thus the ratio causing MD:CD is comparatively large, make non-woven cloth products to tear performance difference longitudinally and transversely resistance to larger.
Summary of the invention
In view of this, a kind of non-woven fabric manufacturing equipment that can solve the problem is provided and rub unit real in necessary.
A kind of non-woven fabric manufacturing equipment, it comprises: combing lapping unit, and it is for carrying out combing to fibrous raw material and forming fiber web, consolidation unit, its be arranged on this combing lapping unit after for carrying out consolidation to this fiber web, to form elementary nonwoven fabric, rub unit, after it is arranged on this consolidation unit, this rub unit comprise be oppositely arranged first rub roller and second and rub roller, this first rubs roller and this second is rubbed and have gap between roller and pass through for this elementary nonwoven fabric, this first is rubbed roller and this second surface of rubbing roller and is formed with the predetermined of mutual corresponding matching and rubs rill, this first rub roller and this second rub roller for this elementary nonwoven fabric by time it is rubbed, turn to make the arrangement of fiber in this elementary nonwoven fabric, and make simultaneously the fiber in this elementary nonwoven fabric with this rub rill occur bending and deformation with on this elementary nonwoven fabric formed with this make a reservation for rub the corresponding decorative pattern of rill, this first outer surface rubbing roller is convexly equipped with the first scrubbing part according to predetermined way arrangement, this second outer surface rubbing roller is arranged with second scrubbing part mutually corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to rub process to this elementary nonwoven fabric, wherein, first rubbing roller circumferentially along this, the width of this first scrubbing part is less than the width of this second scrubbing part, first rub roller circumferentially at this, this first scrubbing part indentation is intervally arranged at this first outer surface rubbing roller, first rub on the roll axial direction of roller at this, this first scrubbing part is linearly intervally arranged at this first outer surface rubbing roller.
One rubs unit, it is for rubbing process to nonwoven fabric, this rub unit comprise be oppositely arranged first rub roller and second and rub roller, this first rubs roller and this second is rubbed and have gap between roller and pass through for nonwoven fabric, this first is rubbed roller and this second surface of rubbing roller and is formed with the predetermined of mutual corresponding matching and rubs rill, this first rub roller and this second rub roller for this nonwoven fabric by time it is rubbed, turn to make the arrangement of fiber in this nonwoven fabric, and make simultaneously the fiber in this nonwoven fabric with this rub rill occur bending and deformation with on this nonwoven fabric formed with this make a reservation for rub the corresponding decorative pattern of rill, this first outer surface rubbing roller is convexly equipped with the first scrubbing part according to predetermined way arrangement, this second outer surface rubbing roller is arranged with second scrubbing part mutually corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to rub process to this nonwoven fabric, wherein, first rubbing roller circumferentially along this, the width of this first scrubbing part is less than the width of this second scrubbing part, first rub roller circumferentially at this, this first scrubbing part indentation is intervally arranged at this first outer surface rubbing roller, first rub on the roll axial direction of roller at this, this first scrubbing part is linearly intervally arranged at this first outer surface rubbing roller.Compared with prior art, this non-woven fabric manufacturing equipment provided by the present invention rubs process by having the predetermined unit of rubbing rubbing rill structure to the elementary nonwoven fabric after consolidation, " clouding " or the fibre bundle phenomenon that not only the elementary nonwoven fabric of effective minimizing occur, improve the fibroreticulate uniformity and bulk, but also the few fibers in this elementary nonwoven fabric can be made to turn to, arranged along CD direction by initial finally transferring to along the arrangement of MD direction, thus add the fiber architecture quantity of nonwoven fabric in CD direction, reduce the aspect intensity ratio of nonwoven fabric (namely, the ratio of MD:CD is reduced), what reduce non-woven cloth products tears performance difference longitudinally and transversely resistance to, in addition, have predetermined rub rill structure rub the kneading action of unit under, the shape that the fiber of this elementary nonwoven fabric can rub rill along with this is predetermined in the process of rubbing occurs bending and deformation, thus can be formed on the non-woven cloth products obtained and predeterminedly with this rub the corresponding floral designs of rill, the serviceability of this finished product nonwoven fabric is promoted greatly.
In addition, provided by the present inventionly rub unit, its predetermined first of rill of rubbing utilizing surface to be formed with mutual corresponding matching rubs roller and this second is rubbed roller and rub process to nonwoven fabric, can each stage in nonwoven production process rub nonwoven fabric effectively to reduce " clouding " or fibre bundle phenomenon that nonwoven fabric occurs, make the few fibers in nonwoven fabric be arranged along CD direction by initial finally transferring to along the arrangement of MD direction simultaneously, thus add the fiber architecture quantity of nonwoven fabric in CD direction, reduce the aspect intensity ratio of nonwoven fabric, what reduce non-woven cloth products tears performance difference longitudinally and transversely resistance to.
Accompanying drawing explanation
Fig. 1 is the flow chart of the nonwoven fabric manufacturing technique that embodiment of the present invention provides.
Fig. 2 is the structural representation of the equipment used in the nonwoven fabric manufacturing technique provided in embodiment of the present invention, and it comprises rubs unit.
Fig. 3 is the structural representation rubbing unit shown in Fig. 2, it comprise be oppositely arranged first rub roller and second and rub roller.
Fig. 4 is the structural representation that first shown in Fig. 3 rubs roller.
Fig. 5 is the structural representation that second shown in Fig. 3 rubs roller.
Fig. 6 be shown in Fig. 3 rub unit in running order time sectional view.
Fig. 7 is the fibre structure microphoto of elementary nonwoven fabric before carrying out rubbing process in embodiment of the present invention.
Fig. 8 is the fibre structure microphoto of elementary nonwoven fabric after process rubs process in embodiment of the present invention.
Main element symbol description
Fiber opening unit 10
Combing lapping unit 20
Combing portion 21
Lapping portion 22
Fiber web 23
Water thorn consolidation unit 30
Pre-wet end 31
Water thorn portion 32
Water jet 33
Rub unit 40
First rubs roller 41
First scrubbing part 411
Second rubs roller 42
Second scrubbing part 421
Drying unit 50
Take up roll 60
Holding lace curtaining 70
Elementary nonwoven fabric 80
Finished product nonwoven fabric 90
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Please also refer to shown in Fig. 1 to Fig. 6, the nonwoven fabric manufacturing process flow that embodiment of the present invention provides, it comprises the steps.
(1) provide fibrous raw material, shredding process is carried out to this fibrous raw material.
In general nonwoven fabric manufacture process, before carrying out combing lapping to fibrous raw material, need to utilize opener to carry out shredding process to fibrous raw material.
In the present embodiment, fiber opening unit 10 is adopted to carry out shredding process to fibrous raw material.Its operation principle be by machinery between relative motion the nonwoven fabric such as fiber, cotton raw material is torn, is loosened, make the fiber reinforced cement composite of being entangled with of bulk become fritter or pencil.Especially, when the design needs according to product, need by a kind of or several different fibrous raw materials mix according to different proportionings time, that mixed fibrous raw material is delivered to opener carries out that abundant shredding can make fibrous raw material mix is more even.
It should be noted that, in the present invention, the fiber opening mechanism this fibrous raw material being carried out to shredding process can be the fiber opening mechanism that any one can be applied in producing technology of non-woven fabrics.
Understandable, according to different producing technology of non-woven fabrics flow processs, also can omit to the step of fiber opening.
(2) fibrous raw material through shredding process is carried out combing lapping to form fiber web 23.
The Main Function of combing lapping carries out combing to the fibrous raw material through preliminary shredding process, to make fibrous raw material be in filament state, export after webbed fibre thin layer laid by the fibrous raw material being in filament state of combing to back segment operation under the drive of holding lace curtaining simultaneously.
In the present embodiment, adopt combing lapping unit 20 to carry out combing lapping to by the fibrous raw material through shredding process, this combing lapping unit 20 comprises combing portion 21 and lapping portion 22.
This combing portion 21 comprises carding machine, it is for carrying out combing to fibrous raw material, the object of combing is mechanically to make fibrous raw material be in filament state, meanwhile, can also be the further Homogeneous phase mixing of various fibers in fibrous raw material and impurity existing in removing fibrous raw material further in the process of combing.The carding machine that current industry is commonly used is roughly divided into roller and clearer card and cover plate type carding machine.
In invention, the carding mechanism of any type can be adopted to carry out combing to this fibrous raw material.
This lapping portion 22 is for laying to form this fiber web 23 on holding lace curtaining 70 to the fibrous raw material being in filament state after combing.The lapping technique that current industry generally uses mainly contains the technology modes such as parallel lapping, cross lapping and combined type lapping.Same, in the present embodiment, do not limit the mode of lapping, as long as the lapping technique that can be applied in spunlace non-woven cloth production technology can use present embodiment yet.
(3) consolidation is carried out to form elementary nonwoven fabric 80 to this fiber web 23.
In the present embodiment, use water thorn consolidation unit 30 to carry out consolidation to this fiber web 23, it comprises pre-wet end 31 and water thorn portion 32.
This pre-wet end 31, for carrying out pre-wetted treatment to the fiber web 23 after carding, its object is to: exert pressure to get rid of the air in this fiber web to this fiber web 23 on the one hand; On the other hand, make fiber web 23 absorption portion moisture in advance, thus fiber web 23 can be made effectively can to absorb the energy of water jet in follow-up water thorn consolidation process, with reinforcing fibre entanglement effect.
Prewetting in technique, the conventional mode of current industry comprise the clipping and perforate drum of two net and defeated lace curtaining clipping, in the present embodiment, above-mentioned two kinds of modes are not limited to the mode that this fiber web 23 is prewetted, as long as all present embodiment can be applicable to the mode that fiber web carries out pre-wetted treatment in spunlace non-woven cloth technique.
This water thorn portion 32 impacts it is that fiber in this fiber web 23 tangles mutually for carrying out high-speed water jet to the fiber web 23 after this pre-wet end 31 is prewetted.
After pre-wetted treatment, this fiber web 23 enters into this water thorn portion 32 under the drive of this holding lace curtaining 70, mainly adopt the fine water jets under high pressure formed after water jet 33 by high-pressure water to carry out water jets impact to this fiber web 23 in this water thorn portion 32, when this multiply has water jet at a high speed after this fiber web 23 of directive, it can make the few fibers on this fiber web 23 top layer comprise the displacement of the another side vertical motion towards this fiber web 23, after water jet penetrates this fiber web 23, this water jet is subject to the rebound effect of this holding lace curtaining 70, can rebound once again with different orientation and scatter in the one side abutting in this holding lace curtaining 70 of this fiber web 23.The upper and lower surface of this fiber web 23 in this water thorn process under the double action of the so continuous direct impact at water jet and bounce-back current, fiber in fibre web is subjected to displacement, intert, tangle, obvolvent, form numerous flexible entanglement point, thus fibre web is reinforced.
Current industry the water thorn reinforcing mode commonly used mainly contain that plain net water thorn is reinforced, rotary drum water thorn is reinforced and the water that combines with plain net of rotary drum stings reinforcing mode, in the present embodiment, employing is that rotary drum water thorn reinforcing mode carries out water thorn consolidation to form this elementary nonwoven fabric 80 to the upper and lower surface of this fiber web 23.Certainly, all water thorn reinforcing modes that current industry uses all are applicable to the present invention.
Understandable, in the present invention, be not limited to water thorn consolidation style to the technique that this fiber web 23 carries out consolidation, it can also be other modes such as acupuncture consolidation.
(4) provide one have predetermined rub rill structure rub unit 40, use this to rub unit 40 and process rubbed to this elementary nonwoven fabric 80.
In the present embodiment, the object that this elementary nonwoven fabric 80 is rubbed is: (1), by " clouding " or the fibre bundle phenomenon of rubbing appearance on the elementary nonwoven fabric 80 of effective minimizing to this elementary nonwoven fabric 80, improves the uniformity and the bulk of elementary nonwoven fabric 80; (2) rubbed by machinery, the fiber in this elementary nonwoven fabric 80 can be made to turn to towards CD direction, thus increase the arrangement quantity of fiber in CD direction in this elementary nonwoven fabric 80, to reduce the aspect intensity ratio of this elementary nonwoven fabric 80; (3) can according to preset pattern design rub unit 40 rub rill, thus the fiber of elementary nonwoven fabric 80 is occured bending and deformation according to predetermined design in the process of rubbing, thus formation rubs the corresponding floral designs of rill with this on this elementary nonwoven fabric 80.
In the present embodiment, this rub unit 40 comprise two be oppositely arranged first rub roller 41, second and rub roller 42, this first rubs roller 41 and this second is rubbed and leave gap between roller 42 and pass through from centre for this elementary nonwoven fabric 80.
Understandable, in the present invention, can also according to the characteristic of required final products, multiple tracks is set and rubs roller pair, and make this multiple tracks rub roller between gap reduce gradually along the direction of advance of this elementary nonwoven fabric 80, come to increase gradually that this elementary nonwoven fabric 80 is suffered in the process of rubbing rubs dynamics in this way, thus machinery can well be reduced rub the loss of strength caused to this elementary nonwoven fabric 80.
Certainly, according to different process requirements, also can arrange make this multiple tracks rub roller between gap increase gradually along the direction of advance of this elementary nonwoven fabric 80.
This first is rubbed roller 41 and comprises the first scrubbing part 411, this first scrubbing part 411 according to predetermined arrangement mode projection at this first outer surface rubbing roller 41.This second is rubbed roller 42 and comprises the second scrubbing part 421, and this second scrubbing part 421 is recessed to match with this first first scrubbing part 411 rubbing roller 41 at this second outer surface rubbing roller 42.In the present invention, first rubbing roller 41 or second along this and rub roller 42 circumferentially, the width of this first scrubbing part 411 is less than the width of this second scrubbing part 421, and that is, this first scrubbing part 411 is matched in clearance with this second scrubbing part 421.
In the present embodiment, this first scrubbing part 411 is projection at this first frustum rubbing roller 41 outer surface, corresponding with this first scrubbing part 411, this second scrubbing part 421 is recessed is the groove of inversed taper platform in this second inner space of rubbing roller 42 outer surface, and this first scrubbing part 411 and this second scrubbing part 421 cooperatively interact to rub process to through this first elementary nonwoven fabric 80 rubbing roller 41 and this second gap of rubbing between roller 42.
Preferably, at this first roll axial direction rubbing roller 41, this first scrubbing part 411 is linearly intervally arranged, at this first circumferencial direction rubbing roller 41, this first scrubbing part 411 indentation is intervally arranged, corresponding, at this second roll axial direction rubbing roller 42, this second scrubbing part 421 is linearly spaced apart, and at this second circumferencial direction rubbing roller, this second scrubbing part 421 indentation is intervally arranged.
In the process that this elementary nonwoven fabric 80 is rubbed, owing to first rubbing roller 41 or the second at this and rub roller 42 circumferentially, for this elementary nonwoven fabric 80 is rubbed the first scrubbing part 411 of action and the second scrubbing part 421 respectively indentation be interspersed, therefore, it is possible to make greatly to turn to CD direction to arrange at the fiber of MD direction arrangement in this elementary nonwoven fabric 80, and, first the roll axial direction that roller 41 or the second rubs roller 42 is rubbed at this, this first scrubbing part 411 and the second scrubbing part 421 are set to linear interval arrangement, the fiber in this elementary nonwoven fabric 80 can well be avoided in the process of rubbing to transfer MD direction to by CD direction arrange.
Understandable, in the present invention, the shape of this first scrubbing part 411 is not limited to frustum, and it can also ovalize, square, the regular shape such as V-type and strip shape, also can be irregularly shaped.
Preferably, this first scrubbing part 411 protrudes from this and first rubs the height of roller 41 outer surface or this second scrubbing part 421 is 0.05mm ~ 5mm in this second scope of rubbing the recessed degree of depth of roller 42 outer surface.
Preferred, this first scrubbing part 411 protrudes from this and first rubs the height of roller 41 outer surface or this second scrubbing part 421 is 2mm ~ 3.5mm in this second scope of rubbing the recessed degree of depth of roller 42 outer surface.
Preferably, this first scrubbing part 411 is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing the outer surface of roller 41, corresponding, this second scrubbing part 421 is 1 ~ 100 every square centimeter in this second distribution density scope of rubbing the outer surface of roller 42.
Preferred, this first scrubbing part 411 is 5 ~ 20 every square centimeter in this first distribution density scope of rubbing the outer surface of roller 41, corresponding, this second scrubbing part 421 is 5 ~ 20 every square centimeter in this second distribution density scope of rubbing the outer surface of roller 42.
Understandable, in the present invention, this first scrubbing part 411 and this second scrubbing part 421 first rub the arrangement mode that roller 41 or the second arrangement mode rubbed on roller 42 are not limited to above-mentioned zigzag and straight line at this, it can also be the arrangement mode of other form, as long as can rub elementary to this elementary nonwoven fabric 80 through its gap.
Understandable, in the present invention, first roller 41 can also be rubbed and the second arrangement mode rubbed on roller 42 designs, as long as can realize rubbing through this first elementary nonwoven fabric 80 rubbing roller 41 and this second gap of rubbing between roller 42 to this first scrubbing part 411 and the second scrubbing part 421 at this according to predetermined grain pattern.
Preferably, this first rub roller 41 with this second rub roller 42 cooperatively interact time, this first scrubbing part 411 is 0.02mm ~ 0.5mm with the degree of depth be bonded with each other of this second scrubbing part 421.
Preferred, this first rub roller 41 with this second rub roller 42 cooperatively interact time, this first scrubbing part 411 is 0.05mm ~ 0.2mm with the degree of depth be bonded with each other of this second scrubbing part 421.
By above-mentioned design, when this elementary nonwoven fabric 80 first is rubbing roller 41 and this second rubs gap between roller 42 through this, first scrubbing part 411 of this mutual corresponding matching can carry out machinery to the most fibers in this elementary nonwoven fabric 80 with the second scrubbing part 421 and rub, thus considerably increase the probability of fiber towards the CD directional steering of elementary nonwoven fabric 80, improve elementary nonwoven fabric 80 fiber architecture quantity in the cd direction, refer to Fig. 7 and Fig. 8, the microphoto of this elementary nonwoven fabric 80 before and after being rubbed by contrast, can significantly find out, after rubbing process, the fibre structure of this elementary nonwoven fabric 80 is more even, and fiber architecture quantity showed increased in the cd direction.
Refer to following table, the elementary nonwoven fabric sample 1 that adopts cross lapping mode to obtain and sample 2, the elementary nonwoven fabric sample 3 adopting parallel laid net mode to obtain and sample 4 through above-mentioned rubbing unit 40 rub before and after the situation of change of physical property, wherein, the physical data of sample 1 and sample 3 is that elementary nonwoven fabric carries out rubbing measured by after process in the dry state, and the physical data of sample 2 and sample 4 is that elementary nonwoven fabric carries out rubbing measured by after process under moisture state.
By the data in upper table, can obviously find out, the thickness of elementary nonwoven fabric sample 1, sample 2, sample 3 and sample 4 after rubbing increases all to some extent, and MD/CD ratio all decreases.According to the data in upper table and composition graphs 7 and Fig. 8, what was certain was that, in this nonwoven fabric manufacturing technique provided by the present invention, use this to rub unit 40 to rub elementary nonwoven fabric nonwoven fabric fiber architecture quantity in the cd direction really can be made to increase, thus reduce the MD/CD ratio of nonwoven fabric and increase the thickness of nonwoven fabric.Learnt by experimental verification repeatedly, in thickness, the scope that nonwoven thickness after rubbing increases on original basis is roughly 0 ~ 30%, at MD/CD ratio (namely, aspect intensity ratio) aspect, the scope that the nonwoven fabric MD/CD ratio after rubbing reduces on original basis is roughly 0 ~ 25%.
Due in the present embodiment, be adopt the mode of water thorn consolidation to carry out consolidation to this fiber web 23, therefore this elementary nonwoven fabric 80 first rubs roller 41 and this second is rubbed the gap between roller 42 and fiber bending occurs be out of shape by this under moistening state.
(5) drying unit 50 is used to carry out drying to obtain finished product nonwoven fabric 90 to this elementary nonwoven fabric 80 through rubbing process.
In the present embodiment, this drying unit 50 is drying cylinder.Understandable, can also be adopt the drying equipment of the alternate manners such as hot-air seasoning to carry out drying process to this elementary nonwoven fabric 80.
Due in the present embodiment, this elementary nonwoven fabric 80 is being in the flexural deformation that there occurs fiber under moisture state, therefore these floral designs formed on this finished product nonwoven fabric 90 have certain memory effect, namely, this finished product nonwoven fabric 90 again meet water moistening after, the floral designs be formed on this finished product nonwoven fabric 90 can not disappear, and still can keep original floral designs, thus the serviceability of this finished product nonwoven fabric 90 is promoted greatly.
Be understandable that, when adopting the consolidation style such as acupuncture, hot blast to carry out consolidation to this fiber web 23, dry process carried out to this elementary nonwoven fabric 80 and also can omit.
(6) carry out winding to this finished product nonwoven fabric 90 to collect.
In the present embodiment, adopt take up roll 60 to reel to this finished product nonwoven fabric 90 to collect.Certainly, according to different production procedures, aftertreatment technology is carried out in the technological process that this finished product nonwoven fabric 90 also can be collected without winding and directly enter into other.
Certainly, in this nonwoven fabric manufacturing process flow provided by the present invention, it also comprises other some technological processes indispensable in nonwoven fabric manufacturing technique, such as when using water thorn consolidation style to carry out nonwoven production, also comprise the water circulation system etc. that the water produced in water thorn flow process is recycled, because the present invention does not relate to the improvement to these flow processs, therefore explanation is not introduced to these technological processes in embodiments of the present invention, but this does not also mean that the manufacture craft of this nonwoven fabric provided by the present invention does not comprise above-mentioned necessary technological process in producing technology of non-woven fabrics.
Present invention also offers the nonwoven fabric adopting above-mentioned nonwoven fabric manufacturing technique to produce, it comprises the nonwoven fabric matrix with uniform fiber distribution, and this nonwoven fabric matrix is formed with the pattern formed through rubbing.
Especially, when adopting water thorn consolidation style to carry out consolidation to fiber web, the pattern on this obtained non-woven cloth products has memory effect, that is, after this nonwoven fabric matrix chance water is moistening, this pattern can not disappear.
Compared with prior art, this nonwoven fabric manufacturing technique provided by the present invention and adopt the nonwoven fabric of this fabrication process, it rubs process by having the predetermined unit of rubbing rubbing rill structure to the elementary nonwoven fabric after consolidation, " clouding " or the fibre bundle phenomenon that not only the elementary nonwoven fabric of effective minimizing occur, improve the fibroreticulate uniformity and bulk, but also the few fibers in this elementary nonwoven fabric can be made to turn to, arranged along CD direction by initial finally transferring to along the arrangement of MD direction, thus add the fiber architecture quantity of nonwoven fabric in CD direction, reduce the value of the MD:CD of nonwoven fabric, what reduce non-woven cloth products tears performance difference longitudinally and transversely resistance to, in addition, have predetermined rub rill structure rub the kneading action of unit under, the shape that the fiber of this elementary nonwoven fabric can rub rill along with this is predetermined in the process of rubbing occurs bending and deformation, thus can be formed on the non-woven cloth products obtained and predeterminedly with this rub the corresponding floral designs of rill, the serviceability of this finished product nonwoven fabric is promoted greatly.Especially, when adopting water thorn consolidation style to carry out consolidation to fiber web, the floral designs that the non-woven cloth products obtained is formed have memory effect, namely, when this finished product nonwoven fabric again meet water moistening after, the floral designs be formed on this finished product nonwoven fabric can not disappear, and still can keep original floral designs.
In addition, those skilled in the art also can do other change in spirit of the present invention.Therefore these changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.
Claims (12)
1. a non-woven fabric manufacturing equipment, it comprises:
Combing lapping unit, it is for carrying out combing to fibrous raw material and forming fiber web;
Consolidation unit, its be arranged on this combing lapping unit after for carrying out consolidation to this fiber web, to form elementary nonwoven fabric;
Rub unit, after it is arranged on this consolidation unit, this rub unit comprise be oppositely arranged first rub roller and second and rub roller, this first rubs roller and this second is rubbed and have gap between roller and pass through for this elementary nonwoven fabric, this first is rubbed roller and this second surface of rubbing roller and is formed with the predetermined of mutual corresponding matching and rubs rill, this first rub roller and this second rub roller for this elementary nonwoven fabric by time it is rubbed, turn to make the arrangement of fiber in this elementary nonwoven fabric, and make simultaneously the fiber in this elementary nonwoven fabric with this rub rill occur bending and deformation with on this elementary nonwoven fabric formed with this make a reservation for rub the corresponding decorative pattern of rill,
This first outer surface rubbing roller is convexly equipped with the first scrubbing part according to predetermined way arrangement, this second outer surface rubbing roller is arranged with second scrubbing part mutually corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to rub process to this elementary nonwoven fabric; Wherein, first rubbing roller circumferentially along this, the width of this first scrubbing part is less than the width of this second scrubbing part;
First rub roller circumferentially at this, this first scrubbing part indentation is intervally arranged at this first outer surface rubbing roller;
First rub on the roll axial direction of roller at this, this first scrubbing part is linearly intervally arranged at this first outer surface rubbing roller.
2. non-woven fabric manufacturing equipment as claimed in claim 1, is characterized in that: this consolidation unit is water thorn consolidation device or acupuncture consolidation device.
3. non-woven fabric manufacturing equipment as claimed in claim 1, is characterized in that: this first scrubbing part and this second scrubbing part are the frustum, ellipse, square, strip shape or the V-structure that cooperatively interact.
4. non-woven fabric manufacturing equipment as claimed in claim 1, is characterized in that: it is 0.05mm ~ 5mm that this first scrubbing part protrudes from this first altitude range rubbing roller outer surface.
5. non-woven fabric manufacturing equipment as claimed in claim 1, is characterized in that: this first scrubbing part is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing roller outer surface.
6. non-woven fabric manufacturing equipment as claimed in claim 2, it is characterized in that: this non-woven fabric manufacturing equipment comprises a drying unit further, it is arranged on after this rubs unit for carrying out drying process to this elementary nonwoven fabric through rubbing process to obtain finished product nonwoven fabric.
7. non-woven fabric manufacturing equipment as claimed in claim 6, is characterized in that: this non-woven fabric manufacturing equipment comprises a curling unit further, this curling unit be arranged on this drying unit after for collecting this finished product nonwoven fabric.
8. non-woven fabric manufacturing equipment as claimed in claim 7, is characterized in that: this drying unit is drying cylinder or heated-air drying equipment.
9. rub unit for one kind, it is for rubbing process to nonwoven fabric, this rub unit comprise be oppositely arranged first rub roller and second and rub roller, this first rubs roller and this second is rubbed and have gap between roller and pass through for nonwoven fabric, this first is rubbed roller and this second surface of rubbing roller and is formed with the predetermined of mutual corresponding matching and rubs rill, this first rub roller and this second rub roller for this nonwoven fabric by time it is rubbed, turn to make the arrangement of fiber in this nonwoven fabric, and make simultaneously the fiber in this nonwoven fabric with this rub rill occur bending and deformation with on this nonwoven fabric formed with this make a reservation for rub the corresponding decorative pattern of rill,
This first outer surface rubbing roller is convexly equipped with the first scrubbing part according to predetermined way arrangement, this second outer surface rubbing roller is arranged with second scrubbing part mutually corresponding with this first scrubbing part, and this first scrubbing part and the mutual matched in clearance of this second scrubbing part are to rub process to this nonwoven fabric; Wherein, first rubbing roller circumferentially along this, the width of this first scrubbing part is less than the width of this second scrubbing part;
First rub roller circumferentially at this, this first scrubbing part indentation is intervally arranged at this first outer surface rubbing roller;
First rub on the roll axial direction of roller at this, this first scrubbing part is linearly intervally arranged at this first outer surface rubbing roller.
10. rub unit as claimed in claim 9, it is characterized in that: this first scrubbing part and this second scrubbing part are the frustum, ellipse, square, strip shape or the V-structure that cooperatively interact.
11. rub unit as claimed in claim 9, it is characterized in that: it is 0.05mm ~ 5mm that this first scrubbing part protrudes from this first altitude range rubbing roller outer surface.
12. rub unit as claimed in claim 9, it is characterized in that: this first scrubbing part is 1 ~ 100 every square centimeter in this first distribution density scope of rubbing roller outer surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310331055.6A CN103469491B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric manufacturing equipment and rub unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310331055.6A CN103469491B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric manufacturing equipment and rub unit |
| CN2011104176150A CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and process for producing same |
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| CN2011104176150A Division CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and process for producing same |
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| CN103469491A CN103469491A (en) | 2013-12-25 |
| CN103469491B true CN103469491B (en) | 2016-02-24 |
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| CN2011104176150A Expired - Fee Related CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and process for producing same |
| CN201310331055.6A Expired - Fee Related CN103469491B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric manufacturing equipment and rub unit |
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| CN2011104176150A Expired - Fee Related CN102535081B (en) | 2011-12-14 | 2011-12-14 | Non-woven fabric and process for producing same |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535082B (en) * | 2011-12-15 | 2013-12-11 | 金红叶纸业集团有限公司 | Non-woven fabric manufacturing equipment |
| CN103469478A (en) * | 2013-08-28 | 2013-12-25 | 山东鲁普科技有限公司 | Rope fabricated by utilizing waste textile and fabrication method of rope |
| CN105155184A (en) * | 2015-09-25 | 2015-12-16 | 天津天美环保科技有限公司 | Non-woven fabric embossing device |
| CN105780213B (en) * | 2016-05-26 | 2018-08-03 | 刘建文 | A kind of integrated carding method of staple fiber |
| CN107201622B (en) * | 2017-05-04 | 2019-09-27 | 东华大学 | The wet friction of a kind of mao of wool fabric and mechanically combining method for sorting |
| CN110777450B (en) * | 2018-07-31 | 2022-08-30 | 特吕茨施勒集团欧洲公司 | Method for producing a nonwoven fabric by means of a carding machine |
| CN109354418B (en) * | 2018-11-08 | 2022-04-19 | 金陵科技学院 | Method for manufacturing rock wool doped with multi-spectrum wave-absorbing material |
| CN109853134A (en) * | 2018-11-08 | 2019-06-07 | 金陵科技学院 | The manufacturing method of rock wool product with antibacterial functions |
| CN110592803B (en) * | 2019-10-10 | 2020-09-04 | 上海盈兹无纺布有限公司 | Hot-air non-woven fabric hot-press forming equipment and method for preparing non-woven fabric |
| CN111005156B (en) * | 2019-12-19 | 2021-09-10 | 瑞安市博安防刺穿材料科技有限公司 | Method for enhancing strength of non-woven fabric by adopting secondary stretching |
| CN112593375A (en) * | 2020-12-23 | 2021-04-02 | 李小刚 | New-generation intelligent manufacturing non-woven fabric flock spraying quality rubbing inspection equipment |
| CN115387021B (en) * | 2022-08-09 | 2023-07-14 | 肥城泰西无纺材料有限公司 | Processing device for lyocell fiber flakes |
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| CN202466198U (en) * | 2011-12-14 | 2012-10-03 | 金红叶纸业集团有限公司 | Non-woven fabrics |
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- 2011-12-14 CN CN201310331055.6A patent/CN103469491B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103469491A (en) | 2013-12-25 |
| CN102535081B (en) | 2013-11-20 |
| CN102535081A (en) | 2012-07-04 |
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