CN210066307U - Automatic cutting and gluing machine for non-woven fabric production - Google Patents
Automatic cutting and gluing machine for non-woven fabric production Download PDFInfo
- Publication number
- CN210066307U CN210066307U CN201822065661.9U CN201822065661U CN210066307U CN 210066307 U CN210066307 U CN 210066307U CN 201822065661 U CN201822065661 U CN 201822065661U CN 210066307 U CN210066307 U CN 210066307U
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- bonding
- cutting
- pressing plate
- plate
- roller
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- 238000005520 cutting process Methods 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000004026 adhesive bonding Methods 0.000 title abstract description 9
- 239000004745 nonwoven fabric Substances 0.000 title description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000004804 winding Methods 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 39
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000006247 magnetic powder Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 4
- 238000013329 compounding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006253 high performance fiber Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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- Treatment Of Fiber Materials (AREA)
Abstract
The utility model discloses a bonder is tailor with automation based on weftless fabric production, including tailorring bonding mechanism and winding mechanism, tailor the unwinding mechanism that bonding mechanism includes to set up on the support, fixed length pulling-on piece mechanism, tailor mechanism and bonding mechanism, winding mechanism includes the fixed length winding structure that sets up on the support. The automatic cutting and gluing machine for the weftless fabric production is reasonable in structure and convenient to operate, solves the problem that a large amount of labor is consumed for manufacturing transverse sheet coiled materials in the weftless fabric production process, effectively reduces labor cost, improves economic benefits, solves the problems of uneven manual cutting length and inconsistent manual gluing, and improves the overall quality of products.
Description
Technical Field
The invention belongs to the technical field of weftless fabric production equipment, and particularly relates to an automatic cutting and gluing machine for weftless fabric production.
Background
The high-performance fiber UD laid fabric is produced with high-performance fiber as base material, such as superhigh molecular weight polyethylene fiber and aramid fiber, and through homogeneous spreading in advanced high-tech equipment, soaking in high-strength elastomer resin, gluing, adhering film and orthogonal lamination. The product has excellent performances of soft hand feeling, small density, abrasion resistance, impact resistance, strong cutting toughness and the like, is widely applied to soft bulletproof clothes, light bulletproof helmets, light bulletproof armor plates, stab and cutting resistant clothing linings and special public anti-riot facilities, and is a bulletproof material with highest strength and lightest specific gravity in the world at present.
The traditional orthogonal compounding of the non-woven cloth is to manually and orthogonally fold the unidirectional sheets cut into the sheets for hot-pressing compounding, and the mode has low efficiency and is difficult to produce on a large scale. The prior general technology is to cut the unidirectional sheet, bond the unidirectional sheet into a transverse sheet coiled material and then compound the unidirectional sheet on line, and the technology is suitable for large-scale production. However, in China, the transverse coiled sheet is mostly manufactured in a manual mode, the coiled unidirectional sheet is cut into sheets with fixed length, and then the sheets are bonded into a coil manually, so that the transverse coiled sheet is manufactured by consuming a large amount of labor and time, the production cost is increased, the consistency of the sheets is difficult to guarantee by manual cutting and bonding, and the product quality is reduced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an automatic cutting and bonding machine for producing non-woven fabrics, aiming at overcoming the defects in the prior art, and realizing automatic cutting and bonding of non-woven fabric unidirectional sheets.
The technical scheme is as follows: in order to achieve the purpose, the invention provides an automatic cutting and bonding machine for producing non-woven fabrics, which comprises a cutting and bonding mechanism and a winding mechanism, wherein the cutting and bonding mechanism comprises an unreeling mechanism, a fixed-length sheet-pulling mechanism, a cutting mechanism and a bonding mechanism which are arranged on a support, and the winding mechanism comprises a fixed-length winding structure arranged on the support; the unwinding structure comprises a standby unidirectional sheet placing frame, a guide roller I and a guide roller II, wherein a placing shaft is arranged on the standby unidirectional sheet placing frame, and the placing shaft, the guide roller I and the guide roller II are placed in parallel; the fixed-length zipper-pulling mechanism comprises a ball screw, an optical axis guide rail, a sliding cross rod and a zipper-pulling mechanical arm, the ball screw and the optical axis guide rail are arranged in parallel and are perpendicular to the placing shaft, a guide roller I and a guide roller II are arranged on the outer sides of one ends of the ball screw and the optical axis guide rail, the sliding cross rod is movably connected to the ball screw and the optical axis guide rail, and the zipper-pulling mechanical arm is connected to the sliding cross rod; the cutting mechanism comprises an automatic cutting knife, a lifting plate, a front pressing plate, a rear pressing plate and a cutting track, the cutting track is parallel to the guide roller II and is located below the ball screw and the optical axis guide rail, the automatic cutting knife comprises an electric cutting knife and a cutting cylinder, the electric cutting knife and the cutting cylinder are located in the cutting track, the electric cutting knife is driven by the cutting cylinder to slide on the cutting track, the front pressing plate is located between the automatic cutting knife and the guide roller II, the lifting plate is located below the front pressing plate, the front pressing plate and the lifting plate can respectively move up and down under the driving of the cylinder, the automatic cutting knife is arranged between the front pressing plate and the rear pressing plate, and the rear pressing plate is located above the automatic cutting knife and can be driven by the cylinder to move; the bonding mechanism comprises a bonding upper pressing plate and a bonding hot plate, the bonding mechanism is arranged on one side of the end part of the guide roll II and is vertical to the guide roll II, the bonding hot plate is a strip-shaped electric heating plate, the bonding upper pressing plate is positioned above the bonding hot plate, and the bonding upper pressing plate is driven by a cylinder to move up and down; winding mechanism sets up in the bonding mechanism outside of constructing, fixed length winding structure includes horizontal piece guide roll, compression roller, decide long roller, fixed length servo motor, rolling axle and rolling motor, horizontal piece guide roll, decide long roller and rolling axle parallel arrangement of each other in proper order, and horizontal piece guide roll is nearest apart from the bonding hot plate, and compression roller parallel arrangement in fixed length roller top, and can reciprocate by the cylinder drive, and the fixed length roller is driven by fixed length servo motor and is rotated, and the rolling axle is driven by rolling motor and rotates.
As an improvement of the scheme, the placing shaft is provided with a magnetic powder brake to play a damping role.
As an improvement of the scheme, the cutting cylinder is a rodless cylinder.
As an improvement of the scheme, the lower end of the upper bonding pressure plate is provided with a silica gel strip, the width of the hot bonding plate is 1-3cm, and the surface of the hot bonding plate is attached with Teflon high-temperature cloth.
As an improvement of the scheme, a guide plate is arranged between the bonding hot plate and the transverse sheet guide roller, and the guide plate is parallel to the transverse sheet guide roller.
Has the advantages that: the automatic cutting and gluing machine for weftless fabric production is reasonable in structure and convenient to operate, solves the problem that a large amount of labor is consumed for manufacturing transverse sheet coiled materials in the production process of weftless fabrics, effectively reduces labor cost, improves economic benefits, solves the problems of uneven manual cutting length and inconsistent manual gluing, and improves the overall quality of products.
Drawings
FIG. 1 is a schematic structural diagram of an automatic cutting and gluing machine for producing non-woven fabrics;
FIG. 2 is a schematic view of the cutting and bonding mechanism;
FIG. 3 is a schematic structural view of the winding mechanism;
FIG. 4 is a schematic view of the working principle of the automatic cutting and bonding machine;
list of reference numerals: 100. a cutting and bonding mechanism; 200. a winding mechanism; 1. placing the unidirectional sheets on a rack; 2. a guide roller I; 3. a guide roll II; 4. a lifting plate; 5. a front platen; 6. a rear pressing plate; 7. an automatic cutting knife; 8. cutting a track; 9. bonding an upper pressing plate; 10. bonding a hot plate; 11. a sheet-pulling manipulator; 12. a sliding rail; 13. a ball screw; 14. placing a shaft; 15. a guide plate; 16. a transverse sheet guide roller; 17. a compression roller; 18. a fixed length roller; 19. a fixed-length servo motor; 20. a winding motor; 21. a winding shaft; 30. unwinding the reel of the one-way sheet to be used; 31. cutting the unidirectional sheet at a fixed length; 32. the transverse sheets to be bonded; 33. and a transverse sheet winding shaft.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
An automatic cutting and bonding machine for producing non-woven fabrics as shown in fig. 1 comprises a cutting and bonding mechanism 100 and a winding mechanism 200. The cutting and bonding mechanism 100 comprises an unreeling mechanism, a fixed-length pull-tab mechanism, a cutting mechanism and a bonding mechanism which are arranged on a support, and the reeling mechanism 200 comprises a fixed-length reeling structure arranged on the support.
As shown in fig. 2, the unwinding structure comprises a standby unidirectional sheet placing frame 1, a guide roller I2 and a guide roller II3, wherein a placing shaft 14 is arranged on the standby unidirectional sheet placing frame 1, and the placing shaft 14, the guide roller I2 and the guide roller II3 are arranged in parallel; the placing shaft 14 is provided with a magnetic powder brake to play a damping role. Fixed length pulling-on piece mechanism includes ball 13, optical axis guide rail, slip horizontal pole 12 and pulling-on piece manipulator 11, and ball 13 and optical axis guide rail parallel arrangement each other and perpendicular to place axle 14, because visual angle relation, can only see ball 13 in the picture. Place axle 14, guide roll I2 and guide roll II3 and set up in ball 13 and optical axis guide rail one end outside, slide horizontal pole 12 swing joint on ball 13 and optical axis guide rail, and pull-on piece manipulator 11 is connected on slide horizontal pole 12. The pull-tab robot 11 is a clamping device having an openable and closable clamping portion, which is started by an air cylinder, and is used for clamping cloth. The cutting mechanism comprises an automatic cutting knife, a lifting plate 4, a front pressing plate 5, a rear pressing plate 6 and a cutting track 8, wherein the cutting track 8 is parallel to a guide roller II3 and is located below a ball screw 13 and an optical axis guide rail, the automatic cutting knife 7 comprises an electric cutting knife and a cutting cylinder, the electric cutting knife and the cutting cylinder are located in the cutting track 8, the electric cutting knife is driven by the cutting cylinder to slide on the cutting track 8, and the cutting cylinder is a rodless cylinder. Preceding clamp plate 5 is located and cuts between sword 7 and the guide roll II3 automatically, and preceding clamp plate 5 below is lifter plate 4, and preceding clamp plate 5 and lifter plate 4 can reciprocate respectively under the cylinder drives, and the sword 7 that cuts automatically sets up between preceding clamp plate 5 and back clamp plate 6, and back clamp plate 6 is located and cuts sword 7 top automatically, can be driven by the cylinder and reciprocate.
As shown in fig. 3, the bonding mechanism includes a bonding upper platen 9 and a bonding hot plate 10, the bonding mechanism is disposed on one side of the end of the guide roll II3 and is perpendicular to the guide roll II3, the bonding hot plate 10 is a strip-shaped electric heating plate, the bonding upper platen 9 is located above the bonding hot plate 10, and is driven by an air cylinder to move up and down. The lower end of the bonding upper pressing plate 9 is provided with a silica gel strip, the width of the bonding hot plate 10 is 2cm, and the surface of the bonding hot plate 10 is attached with Teflon high-temperature cloth. The winding mechanism 200 is arranged outside the bonding mechanism, the fixed-length winding structure comprises a transverse sheet guide roller 16, a pressure roller 17, a fixed-length roller 18, a fixed-length servo motor 19, a winding shaft 21 and a winding motor 20, the transverse sheet guide roller 16, the fixed-length roller 18 and the winding shaft 21 are sequentially arranged in parallel, the transverse sheet guide roller 16 is closest to the bonding hot plate 10, a guide plate 15 is arranged between the bonding hot plate 10 and the transverse sheet guide roller 16, and the guide plate 15 is parallel to the transverse sheet guide roller 16. The compression roller 17 is arranged above the fixed length roller 18 in parallel and can move up and down under the drive of the cylinder, the fixed length roller 18 is driven by the fixed length servo motor 19 to rotate, and the winding shaft 21 is driven by the winding motor 20 to rotate.
As shown in fig. 4, the working principle of the automatic cutting and bonding machine is clearly described, and the direction of pulling the unidirectional sheet by the unwinding mechanism and the fixed-length sheet pulling mechanism is defined as the X-axis direction; the direction in which the winding mechanism 200 pulls the one-way piece is the Y-axis direction. During actual work, the unidirectional sheet coiled material to be cut is placed on the placing rack and sleeved outside the placing shaft 14 to form the standby unidirectional sheet unwinding shaft 30, one end of the placing shaft 14 is connected with the magnetic powder brake, the magnetic powder brake plays a damping role, the standby unidirectional sheet unwinding shaft 30 is prevented from being rotated too much, and the unidirectional sheet is unwound too long. The one-way sheet is led out from the space between the front pressing plate 5 and the lifting plate 4 after passing through the guide roller I2 and the guide roller II3, the front pressing plate 5 descends to limit the upper limit position of the one-way sheet during working, the lifting plate 4 ascends to clamp the one-way sheet together with the front pressing plate 5, the sheet-pulling mechanical hand 11 acts to clamp the one-way sheet after being driven to the position of the edge of the one-way sheet by the sliding cross rod 12, at the moment, the front pressing plate 5 ascends to loosen the one-way sheet, the lifting plate 4 descends to the bottom, and at the moment, the sliding cross rod 12 drives the sheet-pulling mechanical hand. At this time, the front pressing plate 5 and the rear pressing plate 6 press down to fix the one-way sheet, and the lifting plate 4 rises to clamp the one-way sheet together with the front pressing plate 5 again. The automatic cutting knife 7 slides in the cutting track 8 to cut the unidirectional sheet, the automatic cutting knife 7 resets after cutting, at this time, the rear pressing plate 6 rises to loosen the fixed-length cutting unidirectional sheet 31 after cutting, the fixed-length cutting unidirectional sheet 31 is pulled backwards by the sheet pulling mechanical hand 11 to a specified bonding position, and the fixed-length cutting unidirectional sheet 31 is loosened by the sheet pulling mechanical hand 11. At the moment, the bonding edge of the fixed-length cutting unidirectional sheet 31 is just placed at the central position of the bonding hot plate 10, the bonding edge of the fixed-length cutting unidirectional sheet 31 is overlapped with the bonding edge of the transverse sheet 32 to be bonded by 2-5 mm, at the moment, the bonding upper pressing plate 9 is pressed down to complete the bonding process together with the bonding hot plate 10, the bonding upper pressing plate 9 rises after bonding, the bonded transverse sheet passes through the lower part of the guide plate 15 and the upper part of the transverse sheet guide roller 16 and then is led out between the pressing roller 17 and the fixed-length roller 18, and the led transverse sheet is rolled up by the transverse sheet rolling shaft 33. Wherein the compression roller 17 pushes down and clamps the transverse piece with the fixed length roller 18, the fixed length roller 18 is driven by the fixed length servo motor 19 to perform fixed length rolling on the transverse piece, and the rolling distance of the transverse piece is ensured to be fixed every time. By utilizing the automatic cutting and bonding machine for producing the non-woven fabric, a worker only needs to manually move the fixed-length cutting unidirectional sheet 31 cut for the first time to the position of the transverse sheet 32 to be bonded during the first bonding, and the fixed-length cutting unidirectional sheet 31 cut for the second time is bonded and then wound on the transverse sheet winding shaft 33 for winding. The subsequent cutting and bonding steps can be automated by the automated cutting and bonding machine described.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (5)
1. An automatic cutting and bonding machine for weftless fabric production is characterized by comprising a cutting and bonding mechanism (100) and a winding mechanism (200), wherein the cutting and bonding mechanism (100) comprises an unwinding mechanism, a fixed-length pull sheet mechanism, a cutting mechanism and a bonding mechanism which are arranged on a support, and the winding mechanism (200) comprises a fixed-length winding structure arranged on the support; the unwinding structure comprises a standby unidirectional sheet placing frame (1), a guide roller I (2) and a guide roller II (3), a placing shaft (14) is arranged on the standby unidirectional sheet placing frame (1), and the placing shaft (14), the guide roller I (2) and the guide roller II (3) are placed in parallel; the fixed-length sheet pulling mechanism comprises a ball screw (13), an optical axis guide rail, a sliding cross rod (12) and a sheet pulling manipulator (11), wherein the ball screw (13) and the optical axis guide rail are arranged in parallel and are perpendicular to a placing shaft (14), the placing shaft (14), a guide roller I (2) and a guide roller II (3) are arranged on the outer sides of one ends of the ball screw (13) and the optical axis guide rail, the sliding cross rod (12) is movably connected onto the ball screw (13) and the optical axis guide rail, and the sheet pulling manipulator (11) is connected onto the sliding cross rod (12); the cutting mechanism comprises an automatic cutting knife, a lifting plate (4), a front pressing plate (5), a rear pressing plate (6) and a cutting track (8), the cutting track (8) is parallel to the guide roller II (3) and is positioned below the ball screw (13) and the optical axis guide rail, the automatic cutting knife (7) comprises an electric cutting knife and a cutting cylinder, the electric cutting knife and the cutting cylinder are positioned in the cutting track (8), the electric cutting knife is driven by the cutting cylinder to slide on the cutting track (8), the front pressing plate (5) is positioned between the automatic cutting knife (7) and the guide roller II (3), the lifting plate (4) is arranged below the front pressing plate (5), the front pressing plate (5) and the lifting plate (4) can respectively move up and down under the driving of the cylinder, the automatic cutting knife (7) is arranged between the front pressing plate (5) and the rear pressing plate (6), the rear pressing plate (6) is positioned above the automatic cutting knife (7), can be driven by the cylinder to move up and down; the bonding mechanism comprises a bonding upper pressing plate (9) and a bonding hot plate (10), the bonding mechanism is arranged on one side of the end part of the guide roll II (3) and is vertical to the guide roll II (3), the bonding hot plate (10) is a strip-shaped electric heating plate, the bonding upper pressing plate (9) is positioned above the bonding hot plate (10), and the bonding upper pressing plate is driven by a cylinder to move up and down; winding mechanism (200) set up in the bonding mechanism outside of constructing, fixed length winding structure includes horizontal piece guide roll (16), compression roller (17), fixed length roller (18), fixed length servo motor (19), rolling axle (21) and rolling motor (20), horizontal piece guide roll, fixed length roller (18) and rolling axle (21) parallel arrangement of each other in proper order, and horizontal piece guide roll (16) are nearest apart from bonding hot plate (10), and compression roller (17) parallel arrangement in fixed length roller (18) top, and can reciprocate by the cylinder drive, and fixed length roller (18) are driven by fixed length servo motor (19) and are rotated, and rolling axle (21) are driven by rolling motor (20) and are rotated.
2. The automatic cutting and bonding machine for the weftless fabric production according to claim 1, wherein: the placing shaft (14) is provided with a magnetic powder brake to play a damping role.
3. The automatic cutting and bonding machine for the weftless fabric production according to claim 2, wherein: the cutting cylinder is a rodless cylinder.
4. The automatic cutting and bonding machine for the weftless fabric production according to claim 3, wherein: the lower end of the bonding upper pressing plate (9) is provided with a silica gel strip, the width of the bonding hot plate (10) is 1-3cm, and Teflon high-temperature cloth is attached to the surface of the bonding hot plate (10).
5. The automatic cutting and bonding machine for the weftless fabric production according to claim 4, wherein: a guide plate (15) is arranged between the bonding hot plate (10) and the transverse sheet guide roller (16), and the guide plate (15) is parallel to the transverse sheet guide roller (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822065661.9U CN210066307U (en) | 2018-12-10 | 2018-12-10 | Automatic cutting and gluing machine for non-woven fabric production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822065661.9U CN210066307U (en) | 2018-12-10 | 2018-12-10 | Automatic cutting and gluing machine for non-woven fabric production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210066307U true CN210066307U (en) | 2020-02-14 |
Family
ID=69426432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822065661.9U Withdrawn - After Issue CN210066307U (en) | 2018-12-10 | 2018-12-10 | Automatic cutting and gluing machine for non-woven fabric production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210066307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518448A (en) * | 2018-12-10 | 2019-03-26 | 江苏神鹤科技发展有限公司 | One kind is based on laminated cloth production automatic cutting bonder |
| CN114481592A (en) * | 2022-03-02 | 2022-05-13 | 郑州中远防务材料有限公司 | Unidirectional fabric cutting and conveying equipment and weftless fabric manufactured by same |
-
2018
- 2018-12-10 CN CN201822065661.9U patent/CN210066307U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518448A (en) * | 2018-12-10 | 2019-03-26 | 江苏神鹤科技发展有限公司 | One kind is based on laminated cloth production automatic cutting bonder |
| CN109518448B (en) * | 2018-12-10 | 2024-03-29 | 江苏神鹤科技发展有限公司 | Automatic cutting and bonding machine for non-woven fabric production |
| CN114481592A (en) * | 2022-03-02 | 2022-05-13 | 郑州中远防务材料有限公司 | Unidirectional fabric cutting and conveying equipment and weftless fabric manufactured by same |
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Granted publication date: 20200214 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200214 Effective date of abandoning: 20240329 |
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