CN109082776B - Filament dividing and net forming device using filament bundle cake as raw material and implementation method - Google Patents
Filament dividing and net forming device using filament bundle cake as raw material and implementation method Download PDFInfo
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- CN109082776B CN109082776B CN201811110267.0A CN201811110267A CN109082776B CN 109082776 B CN109082776 B CN 109082776B CN 201811110267 A CN201811110267 A CN 201811110267A CN 109082776 B CN109082776 B CN 109082776B
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000002994 raw material Substances 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 239000004745 nonwoven fabric Substances 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 claims description 11
- 238000007596 consolidation process Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
Abstract
The invention discloses a filament dividing and forming device taking filament bundles of filament cakes as raw materials and a realization method thereof, comprising a frame, wherein a filament guide and a filament guide disc are arranged on the frame, and a filament dividing device and a net laying device are also arranged on the frame; the creel is provided with filament bundle cakes; the side wall of the wire divider is provided with a compressed air inlet, the inside of the wire divider is provided with an air flow regulator and a wire expander, and the lapping device is arranged at the lower end of the wire expander; the method comprises the following steps: 1, placing a filament bundle cake on a creel, and unwinding the filament bundle from the cake; 2 introducing the unwound filament bundles into a godet by a godet; 3, quantitatively inputting the filament bundles into a filament divider through a filament guiding disc; 4 separating the filament bundles into loose single fiber shapes through a yarn expander; 5, superposing the separated single-fiber filaments with each other through a lapping machine to form a uniform fiber web. The invention aims at providing a filament dividing and net forming device which is simple in equipment, low in investment and wide in applicable raw materials and takes filament bundle cakes as raw materials.
Description
Technical Field
The invention relates to the technical field of chemical fiber production, in particular to a filament dividing and forming device taking filament bundles and cakes as raw materials and an implementation method.
Background
The existing method for manufacturing filament non-woven fabrics, commonly called a spunbonding method, basically adopts polymer particles (such as polyester, polyamide, polypropylene, polyethylene, polylactic acid and the like) as raw materials, and adopts a one-step method route of heating, melting, extruding and metering, forming continuous and uniform melt through a spinneret plate, cooling, air-flow stretching, lapping, consolidation (hot rolling, needling, hot air, water needling and the like) and winding. The production efficiency is high, and the product is widely applied. However, the product produced by the technology has the fineness of generally below 3-5 denier, the strength below 3.5 g/denier and the elongation generally greater than 50% due to cooling and air-stream stretching, and is difficult to meet the demands of filament non-woven fabrics application markets with the coarse denier of more than 7 denier, the strength of more than 4.5 g/denier and the elongation of less than 35%.
Although the processing technology for producing common filaments, modified filaments or filaments with special specifications on the market is very mature and economical, how to unwind the filament bundles and then separate the filament bundles into a net is a difficult point for manufacturing filament non-woven fabrics.
Chinese patent application No.: 201310292596.2, filing date: 2013, 07, 12, publication date: the patent name is 2013, 09, 25 days: a method for manufacturing filament non-woven fabrics is disclosed. The manufacturing method of the invention adopts the following process steps: firstly, unwinding filament fibers by using a creel; the filament fiber comprises polyphenylene sulfide fiber, aramid fiber, polytetrafluoroethylene fiber, viscose fiber, polyimide fiber or polyacrylonitrile fiber, and carbon fiber, glass fiber or basalt fiber, and is untwisted continuous filament with fineness of 1-200 μm; then washing the filament fiber by adopting ultrasonic waves; drying the filament fiber by using a single fiber drying device; then, the filament fiber is sent into a tubular drafting machine through a speed regulating roller and a tensioner to be drafted and accelerated, and then the filament fiber is evenly dispersed through a filament swinging device and is laid on a net-forming curtain to form a filament fiber net; finally, the filament fiber net is manufactured into filament non-woven fabrics by a non-woven fabric processing method of needling, water needling or hot rolling.
Chinese patent application No.: 97117575.6, filing date: 08 month 30 1997, publication date: the patent name is: a long fiber web forming apparatus and a method for producing a long fiber nonwoven fabric are disclosed, wherein long fibers are used as raw materials to form a fiber web by the long fiber web forming apparatus, and the formed fiber web is subjected to consolidation process to obtain a long fiber nonwoven fabric. The method of the invention omits the extruder and the spinning system of the general spunbonded nonwoven fabric process and omits the cotton opening, cotton carding and cotton stacking engineering of the traditional short fiber nonwoven fabric process, thus the method of the invention not only simplifies the process, but also has wider application range due to the diversified selection of raw materials.
Neither of the above cited patents relates to a specific filament-separating and web-forming technique, but the technical key of producing filament nonwoven fabrics from filament bundles of cakes is precisely the filament-separating and web-forming device and the method for realizing the filament-separating and web-forming.
Disclosure of Invention
In view of the above, the present invention aims to provide a filament yarn-separating and web-forming device which is simple in equipment, low in investment and wide in applicable raw materials and takes filament yarn cakes as raw materials.
The invention also aims to provide a method for realizing the filament separation and web formation by taking filament bundles and cakes as raw materials.
In order to achieve the first object of the present invention, the following technical solutions may be adopted:
the device comprises a frame, wherein a yarn guide and a yarn guide disc are arranged on the frame, and a yarn separator and a lapping device are also arranged on the frame; the yarn dividing and forming device further comprises a creel, and filament bundle cakes are arranged on the creel; the creel is arranged at one side of the frame;
the yarn dividing device comprises a yarn dividing device, a yarn expanding device, a compressed air inlet, an air flow regulator and a yarn expanding device, wherein the compressed air inlet is formed in the side wall of the yarn dividing device; the lapping device is arranged at the lower end of the wire expander and is connected with the wire expander through an outlet of the wire expander.
The wire expander is hollow and cone-shaped.
The cross section of the net spreader is gradually increased from top to bottom and is arc-shaped.
The wire-dividing and net-forming device comprises a conveying belt, wherein the conveying belt is arranged below the lapping machine, an adsorption device is arranged below the conveying belt, a press roller is arranged above the adsorption device, and a needling machine is arranged at the rear end of the press roller.
And a hot rolling mill is arranged at the rear end of the press roll.
And an air heater is arranged at the rear end of the compression roller.
In order to achieve the second object of the present invention, the following technical solutions may be adopted:
a method for realizing filament separation and web formation by taking filament bundle cakes as raw materials comprises the following steps:
step 1) placing a filament bundle cake on a creel, and unwinding the filament bundle from the cake;
step 2) introducing the unwound filament bundles into a godet by a godet;
step 3) quantitatively inputting the filament bundles into a filament divider through a filament guiding disc;
step 4) separating the filament bundles into loose single fiber shapes by a yarn expander;
step 5) superposing the separated single-fiber filaments with each other through a lapping machine to form a uniform fiber web.
The yarn guiding plate can simultaneously input one or more strands of yarn
One or more filaments simultaneously fed out of the godet may enter at least one filament divider, respectively.
The filament divider separates the filament bundles input by the filament guiding disc into loose single fiber shapes by compressed air.
The fiber web can be manufactured into non-woven fabrics by a consolidation method
The consolidation method comprises any one method or a combination of any two or more methods of stitch bonding, needle punching, hot rolling, water punching, hot air, ultrasonic wave, flame, chemical bonding.
The technical proposal provided by the invention has the advantages that 1) the equipment is simple, a spinning device for a spun-bonding method is not provided, and the investment is low; the applicable raw materials are wide; 2) The monofilament fineness range of the filament bundle fibers selected by the invention can be between 2 and 20 d; the total denier of the tow may be between 100-1500 d; 3) The invention has good yarn separating effect and the laid fiber net is uniform; 4) According to the invention, the fiber web can be made into filament non-woven fabric according to different raw materials, different purposes and different performance requirements, and the weight of the non-woven fabric per square meter can be between 20 and 500 grams.
Drawings
FIG. 1 is a schematic diagram of a filament web forming apparatus using filament cakes as raw materials according to an embodiment of the present invention;
FIG. 2 is a schematic view of a filament web forming apparatus according to another embodiment of the present invention using filament cakes as a raw material;
FIG. 3 is a schematic diagram of a filament separator of a filament yarn forming apparatus using filament yarn cakes as raw materials according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a structure of a lapping device of a filament-separating and lapping device using filament cakes as raw materials according to an embodiment of the present invention.
In FIG. 1, 1-filament bundle cake, 2-yarn guide, 3-yarn guide disc, 4-yarn separator, 5-compressed air inlet, 6-lapping machine, 7-conveyer belt, 8-adsorption device, 9-press roller, 10, 11-needling machine, 12-hot rolling mill.
In FIG. 2, 1-filament bundle cake, 2-yarn guide, 3-yarn guide disc, 4-yarn separator, 5-compressed air inlet, 6-net spreader, 7-conveyer belt, 8-adsorption device, 9-compression roller and 13-hot air blower.
In the wire divider of fig. 3, 41-adjusting screw cap, 42-air flow regulator, 43-wire expander, 431-wire expander inlet, 432-wire expander outlet.
6-lapping machine in FIG. 4
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, 3 and 4, the filament yarn forming device using filament yarn cakes as raw materials comprises a frame (not shown), wherein a yarn guide 2 and a yarn guide disc 3 are arranged on the frame, and a yarn separator 4 and a lapping device 6 are also arranged on the frame; the yarn-separating and net-forming device also comprises a creel (not shown), wherein the creel is provided with a filament bundle cake 1; the creel is arranged at one side, two sides or the rear of the frame, and can also be arranged above the frame.
A compressed air inlet 5 is formed in the side wall of the wire divider 4, an air flow regulator 42 and a wire expander 43 are arranged in the wire divider 4, an air flow channel is formed in the air flow regulator 42, an adjusting screw cap 41 is arranged on the top of the wire divider 4, the adjusting screw cap 41 is screwed on the upper end of the air flow regulator 42, the wire expander 43 is arranged at the lower end of the air flow regulator 42, one end of the air flow channel is arranged at the bottom end of the adjusting screw cap 41, and the other end of the air flow channel is arranged at the wire expander inlet 431; the lapping machine 6 is arranged at the lower end of the wire expander 43 and is connected with the wire expander 43 through an outlet 432 of the wire expander.
Preferably, the wire spreader 43 has a hollow cone shape.
Preferably, the net spreader 6 is in a hollow circular oval shape, and the cross-sectional area of the net spreader is gradually increased from top to bottom and is arc-shaped.
One or a plurality of filaments are unreeled from a filament bundle cake 1 arranged on a frame, and are led into a yarn guiding disc through a yarn guiding device 2, the yarn guiding disc 3 is used as a metering device, and the design speed of the yarn guiding disc 3 is 300-3000 m/min; the wire divider 4 comprises an adjusting nut 41, an air flow regulator 42 and a wire expander 43, and the compressed air input into the wire divider 4 can play three roles:
1. the negative pressure is formed at the adjusting nut port 41 for sucking the filament bundles output by the yarn guiding disc;
2. the airflow field in the filament divider 4 is made into extremely turbulent asymmetric and shaking subsonic strong turbulence by utilizing the airflow regulator 42 in the filament divider 4, so that the airflow has higher speed gradient and stronger rotation around the axis, and the filament bundles are separated into single filament;
3. the wire expander 43 is a tapered bore design, with the air flow decreasing in velocity through the wire and decreasing in tension, causing the separated fibers to spread.
Compressed air used by the filament divider 4 is within 0.05-0.8Mpa, the compressed air enables high-speed airflow of the filament divider 4 to spray single fiber filaments to the lapping machine 6, the lapping machine 6 is of a circular-connection elliptic structure, an internal channel is of a streamline design, the sectional area is gradually increased, and dispersed fibers are driven to be further dispersed by airflow diffusion.
The lapping machine 6 can be used for lapping the single fiber filaments ejected from adjacent filament dividing pipes on each other by adjusting the installation height and angle, and a uniform fiber web is laid on the conveying belt 7.
Example 2
Referring to fig. 1, the difference from the above embodiment is that the wire-dividing and forming device of the present invention further comprises a conveyor belt 7, the conveyor belt 7 is disposed below the lapping machine 6, an adsorption device 8 is disposed below the conveyor belt 7, a press roller 9 is disposed above the adsorption device 8, and a needling machine 10 is disposed at the rear end of the press roller 9.
Preferably, two needling machines 10 and 11 are arranged at the rear end of the pressing roll 9.
Preferably, a hot rolling mill 12 may be further provided at the rear end of the needling machine 11.
In this embodiment, the conveying belt 7 and the adsorption device 8 adsorb and convey the uniform fiber web by using negative pressure air flow. The uniform fiber web is paved on a conveying belt 7, is fixed on the belt by an adsorption device 8 through a method of sucking air flow under the belt and is conveyed to a consolidation device, and the consolidation device comprises a compression roller 9, a needling machine 10, a needling machine 11 and a hot rolling mill 12; the suction airflow speed of the surface of the mesh belt is not less than 0.5 m/s, and the conveying speed is 10-100 m/min; the press roll 9 may or may not be heated, depending on the product and the raw material. The effect of the press roll 9 is to pretreat the web and prevent the web from being damaged by the reverse air flow caused by the action of the adsorption device.
Example 3
Referring to fig. 2, the difference from the above embodiment is that the filament-dividing and forming device of the present invention further comprises a conveyor belt 7, the conveyor belt 7 is disposed below the lapping machine 6, an adsorption device 8 is disposed below the conveyor belt 7, a press roller 9 is disposed above the adsorption device 8, and a hot air blower 13 is disposed at the rear end of the press roller 9.
Preferably, the number of the hot air blowers 13 may be two.
The web may be consolidated into a nonwoven fabric.
The consolidation method comprises any one method or a combination of any two or more methods of stitch bonding, needle punching, hot rolling, water punching, hot air, ultrasonic wave, flame, chemical bonding.
Example 4
A method for realizing filament separation and web formation by taking filament bundle cakes as raw materials comprises the following steps:
step 1) placing a filament bundle cake on a creel, and unwinding the filament bundle from the cake;
step 2) introducing the unwound filament bundles into a godet by a godet;
step 3) quantitatively inputting the filament bundles into a filament divider through a filament guiding disc;
step 4) separating the filament bundles into loose single fiber shapes by a yarn expander;
step 5) superposing the separated single-fiber filaments with each other through a lapping machine to form a uniform fiber web.
Preferably, the godet 3 is capable of feeding one or more filaments simultaneously
Preferably, one or more filaments simultaneously fed out of the godet 3 may enter at least one filament divider 4.
Preferably, the filament divider 4 divides the filament bundle fed in from the filament guide plate 3 into loose filament shapes by compressed air.
In this embodiment, according to the requirements set by the process, a single yarn guiding plate 3 can simultaneously send the yarn bundle unwound from one or more yarn cakes to the same yarn separator 4, or send the yarn bundle unwound from one or more yarn cakes to different yarn separators 4. The raw materials of the bundles of the plurality of cakes can be different. The raw material of the filament bundle is preferably untwisted yarn.
The yarn separator 4 introduces and outputs the filament bundles inputted by the yarn guiding disc through compressed air; the filament divider 4 causes the air flow field in the tube to be extremely turbulent asymmetric, dithered subsonic high turbulence with a high velocity gradient and strong rotation about the axis so that the tow entering the filament divider tube is fed into the lapping machine 6 while being sufficiently divided into filaments.
The lapping device 6 is of a round-connection elliptic structure, the internal channel is of streamline design, the sectional area is gradually increased, and the cross section is arc-shaped from top to bottom, so that air flow is diffused, tows are driven to be diffused, and the purpose of dividing the tows is achieved. The separated single fibers can be laid into uniform fiber webs which are mutually overlapped by adjusting the installation height and the angle.
The web may be consolidated into a nonwoven fabric.
The consolidation method comprises any one method or a combination of any two or more methods of stitch bonding, needle punching, hot rolling, water punching, hot air, ultrasonic wave, flame, chemical bonding.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (11)
1. The utility model provides an use branch silk web forming device of filament bundle cake as raw materials, includes the frame, be provided with seal wire ware, seal wire dish in the frame, its characterized in that: the frame is also provided with a wire separator and a lapping machine; the yarn dividing and forming device further comprises a creel, and filament bundle cakes are arranged on the creel; the creel is arranged at one side of the frame;
the yarn dividing device comprises a yarn dividing device, a yarn expanding device, a compressed air inlet, an air flow regulator and a yarn expanding device, wherein the compressed air inlet is formed in the side wall of the yarn dividing device; the lapping device is arranged at the lower end of the wire expander and is connected with the wire expander through an outlet of the wire expander;
the wire expander is in a hollow cone shape;
the cross section of the net spreader is gradually increased from top to bottom and is arc-shaped.
2. A filament web apparatus as defined in claim 1, wherein: the wire-dividing and net-forming device comprises a conveying belt, wherein the conveying belt is arranged below the lapping machine, an adsorption device is arranged below the conveying belt, a press roller is arranged above the adsorption device, and a needling machine is arranged at the rear end of the press roller.
3. A filament web apparatus as defined in claim 2, wherein: and a hot rolling mill is arranged at the rear end of the press roll.
4. A filament web apparatus as defined in claim 2, wherein: and an air heater is arranged at the rear end of the compression roller.
5. A method for realizing filament separation and web formation by taking filament bundle cakes as raw materials is characterized in that: the method for realizing the filament-separating and forming net uses the filament-bundle cake as raw material according to any one of claims 1-4;
the method for realizing the filament-dividing and net-forming comprises the following steps:
step 1) placing a filament bundle cake on a creel, and unwinding the filament bundle from the cake;
step 2) introducing the unwound filament bundles into a godet by a godet;
step 3) quantitatively inputting the filament bundles into a filament divider through a filament guiding disc;
step 4) separating the filament bundles into loose single fiber shapes by a yarn expander;
step 5) superposing the separated single-fiber filaments with each other through a lapping machine to form a uniform fiber web.
6. The method for realizing filament yarn forming by using filament yarn cakes as raw materials according to claim 5, wherein the method comprises the following steps: the godet may simultaneously feed one or more filaments.
7. The method for realizing filament yarn forming by using filament yarn cakes as raw materials according to claim 5, wherein the method comprises the following steps: one or more filaments simultaneously fed out of the godet may enter at least one filament divider, respectively.
8. The method for realizing filament yarn forming by using filament yarn cakes as raw materials according to claim 5, wherein the method comprises the following steps: the filament divider separates the filament bundles input by the filament guiding disc into loose single fiber shapes by compressed air.
9. The method for realizing filament web separation by taking filament bundle cake as raw material according to claim 8, wherein the method comprises the following steps: the filament bundles are separated into loose single fibers which are spread into a uniform fiber web by the air-diffusing action of a wire spreader.
10. The method for realizing filament web-forming by using filament bundle cake as raw material according to any one of claims 5 or 9, characterized in that: the web may be consolidated to produce a nonwoven fabric.
11. The method for realizing filament web separation by taking filament bundle cake as raw material according to claim 10, wherein the method comprises the following steps: the consolidation method comprises any one method or a combination of any two or more methods of stitch bonding, needle punching, hot rolling, water punching, hot air, ultrasonic wave, flame, chemical bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811110267.0A CN109082776B (en) | 2018-09-21 | 2018-09-21 | Filament dividing and net forming device using filament bundle cake as raw material and implementation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811110267.0A CN109082776B (en) | 2018-09-21 | 2018-09-21 | Filament dividing and net forming device using filament bundle cake as raw material and implementation method |
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| CN109082776A CN109082776A (en) | 2018-12-25 |
| CN109082776B true CN109082776B (en) | 2024-01-16 |
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| CN112831906B (en) * | 2021-01-07 | 2022-04-12 | 泰山玻璃纤维有限公司 | Continuous glass fiber stitch-bonded felt production device and production method |
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| CN205974959U (en) * | 2016-08-11 | 2017-02-22 | 邓州市龙泰无纺布科技有限公司 | Novel non -woven fabrics spinning divides silk lapping device |
| CN107385676A (en) * | 2017-08-09 | 2017-11-24 | 中原工学院 | A kind of flexible puncture-proof material and preparation method thereof |
| CN209082131U (en) * | 2018-09-21 | 2019-07-09 | 江苏开迪新材料有限公司 | Using endless tow spinning cake as the sub-wire web forming device of raw material |
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