CN220977243U - Stretching device for high-strength chemical fiber - Google Patents
Stretching device for high-strength chemical fiber Download PDFInfo
- Publication number
- CN220977243U CN220977243U CN202322688086.9U CN202322688086U CN220977243U CN 220977243 U CN220977243 U CN 220977243U CN 202322688086 U CN202322688086 U CN 202322688086U CN 220977243 U CN220977243 U CN 220977243U
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- wall
- shaft
- chemical fiber
- mounting plate
- roller shaft
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- 239000000835 fiber Substances 0.000 title claims abstract description 64
- 239000000126 substance Substances 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000009987 spinning Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The utility model discloses a drawing device for high-strength chemical fiber yarns, which comprises a supporting plate and a mounting plate, wherein a pressing component and a tensioning component are respectively and fixedly arranged on the outer wall of one side of the mounting plate, a large roll shaft, a driven roll shaft and a small roll shaft are respectively and fixedly arranged on the outer wall of one side of the mounting plate through rotating shafts, a rolling component is fixedly arranged on the outer wall of one side of the mounting plate, the pressing component comprises a rotary table fixedly arranged on the outer wall of one side of the mounting plate through rotating shafts, a first motor fixedly arranged on the outer wall of one side of the mounting plate is fixedly connected on the outer wall of the other side of the rotary table, an eccentric shaft is fixedly arranged on the outer wall of the other side of the rotary table, a connecting rod is rotationally connected on the outer side of the eccentric shaft through a shaft sleeve, and one end of the connecting rod is rotationally connected with the pressing roll shaft. According to the utility model, through the arranged pressing component, active secondary stretching is carried out through the pressing roller shaft in the chemical fiber stretching process, so that the stretching degree and the stretching efficiency of the chemical fiber are improved.
Description
Technical Field
The utility model relates to the technical field of chemical fiber yarn drawing, in particular to a drawing device for high-strength chemical fiber yarns.
Background
The chemical fiber (chemical fiber) is a fiber with spinning performance, which is prepared by using natural polymer compound or artificially synthesized polymer compound as raw material and through the procedures of spinning dope preparation, spinning, post-treatment and the like. In the preparation of chemical fibers, stretching is required to orient macromolecules or building blocks in the as-spun fibers along the fiber axis to enhance the mechanical properties of the chemical fibers.
However, in the process of drawing the chemical fiber, the chemical fiber is too loose or too tight, which easily causes confusion or breakage of the chemical fiber, thereby affecting the production efficiency and causing waste. Accordingly, there is a need to design a drawing device for high-strength chemical fiber yarns to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a drawing device for high-strength chemical fiber yarns, which aims to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a stretching device for high strength chemical fiber silk, includes backup pad and mounting panel, and the mounting panel welding is on the outer wall of backup pad top one side, fixed subassembly and the tensioning assembly of pushing down of being equipped with respectively on the outer wall of mounting panel one side, fixed big roller, driven rotary drum and the little roller of installing respectively through the pivot on the outer wall of mounting panel one side, fixed winding subassembly that is equipped with on the outer wall of backup pad top, fixed the heating cabinet that is equipped with on the outer wall of mounting panel one side, the subassembly of pushing down includes the carousel on mounting panel one side outer wall through pivot fixed mounting, fixedly connected with motor one on the outer wall of carousel one side fixed on the outer wall of carousel one side is equipped with the eccentric shaft on the outer wall of carousel opposite side, and the outside of eccentric shaft is connected with the connecting rod through the axle sleeve rotation, the one end rotation of connecting rod is connected with pushing down the roller, set up spout one on the outer wall of mounting panel one side, and pushing down the inside of roller one end grafting in spout one, the one end of pushing down the roller has been cup jointed the stopper.
Further, tensioning assembly includes fixed block of fixed mounting on the mounting panel outer wall, peg graft in the inside of fixed block has the screw thread guide arm, threaded connection has the nut that is located the fixed block top on the outer wall of screw thread guide arm, screw thread guide arm bottom fixedly connected with connecting block, pressure spring has been cup jointed to the outside of screw thread guide arm, and pressure spring is located between fixed block and the connecting block, fixedly connected with runs through the tensioning roller of connecting block on the outer wall of connecting block one side, it has spout two to open on the outer wall of mounting panel one side, and peg graft in the inside of spout two to the one end of tensioning roller.
Further, the rotating shafts of the large roll shaft and the small roll shaft penetrate through the mounting plate, a motor II is fixedly mounted on the rotating shaft of the small roll shaft, and a belt III is connected between the large roll shaft and the small roll shaft through transmission of a transmission wheel.
Further, the winding assembly comprises a vertical plate fixedly installed on the outer wall of the top of the supporting plate, a winding roller shaft and a reciprocating screw rod are fixedly connected to the inner wall between the vertical plate and the mounting plate through rotating shafts respectively, a belt I is connected to one end of the winding roller shaft and one end of the reciprocating screw rod in a rotating shaft in a transmission mode, a guide rod is fixedly connected to the inner wall between the vertical plate and the mounting plate, a nut I is connected to the outer wall of the reciprocating screw rod in a threaded mode, a sliding seat fixedly connected with the nut I is connected to the outer portion of the guide rod in a sliding mode, and a guide rod is fixedly connected to the outer wall of the top of the sliding seat.
Further, a belt II is connected to the output shaft of the motor II in a transmission manner, and the inner wall of one end of the belt II is connected to the rotating shaft of the reciprocating screw rod in a transmission manner.
Further, the mounting panel is L shape with the backup pad, push down the subassembly and be located between big roller and the driven rotary drum, tensioning assembly is located between driven rotary drum and the little roller, and big roller, little roller and driven rotary drum are in on the same horizontal plane.
In the technical scheme, the drawing device for the high-strength chemical fiber yarn has the beneficial effects that:
(1) According to the utility model, through the arranged pressing component, the pressing roller shaft can move up and down along with the movement of the turntable driven by the motor, so that the active secondary stretching is carried out through the pressing roller shaft in the chemical fiber stretching process, and the stretching degree and the stretching efficiency of the chemical fiber are improved.
(2) According to the tension device, the tension assembly is arranged, when the chemical fiber is in an overtightening state, the chemical fiber is extruded to the tension roller shaft, so that the tension spring is contracted, the tension roller shaft is moved upwards, the overtightening state of the chemical fiber is adjusted, and the chemical fiber is prevented from being broken.
(3) According to the utility model, through the winding component, the drawn chemical fiber can be wound on the winding roller shaft through the guide rod, the guide rod can reciprocate along with the motor, so that the filaments are not disordered, and the filaments can be uniformly wound on the roller shaft.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic view of a drawing apparatus for high-strength chemical fiber according to an embodiment of the present utility model.
Fig. 2 is a top view of a structure provided by an embodiment of a drawing device for high-strength chemical fiber yarns according to the present utility model.
Fig. 3 is a schematic structural view of a pressing assembly provided by an embodiment of a drawing device for high-strength chemical fiber yarns according to the present utility model.
Fig. 4 is a side view of a hold-down assembly provided by an embodiment of a drawing apparatus for high strength chemical fiber filaments according to the present utility model.
Fig. 5 is a schematic structural view of a tensioning assembly provided by an embodiment of a drawing device for high-strength chemical fiber filaments according to the present utility model.
FIG. 6 is a side view of a take-up assembly provided by an embodiment of a drawing device for high strength chemical fiber filaments according to the present utility model.
Fig. 7 is a schematic view of a drawn chemical fiber provided by an embodiment of a drawing apparatus for high-strength chemical fiber according to the present utility model.
The device comprises a heating box 1, a wire feeding roller shaft 2, a large roller shaft 3, a small roller shaft 4, a driven rotary drum 5, a pressing component 6, a tensioning component 7, a winding component 8, a supporting plate 9, a rotary table 10, an eccentric shaft 11, a connecting rod 12, a first 13 sliding chute, a pressing roller shaft 14, a first 15 motor, a first 16 fixed block, a 17 threaded guide rod, a nut 18, a pressure spring 19, a connecting block 20, a tensioning roller shaft 21, a winding roller shaft 22, a second 23 motor, a guide rod 24, a reciprocating screw rod 25, a guide rod 26, a first 27 nut, a sliding seat 28, a first 29 belt, a second 30 belt, a third 31 belt, a 32 vertical plate 33, a mounting plate 34 sliding chute 34 and a 35 limiting block.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the stretching device for high-strength chemical fiber provided by the embodiment of the utility model comprises a supporting plate 9 and a mounting plate 33, wherein the mounting plate 33 is welded on the outer wall of one side of the top of the supporting plate 9, a pressing component 6 and a tensioning component 7 are fixedly arranged on the outer wall of one side of the mounting plate 33 respectively, a large roll shaft 3, a driven rotary drum 5 and a small roll shaft 4 are fixedly arranged on the outer wall of one side of the mounting plate 33 through rotating shafts, a winding component 8 is fixedly arranged on the outer wall of one side of the mounting plate 33, a heating box 1 is fixedly arranged on the outer wall of the top of the supporting plate 9, a wire feeding roll shaft 2 is fixedly arranged on the outer wall of one side of the mounting plate 33, the pressing component 6 comprises a rotary disc 10 fixedly arranged on the outer wall of one side of the mounting plate 33 through rotating shafts, a motor 15 fixedly arranged on the outer wall of one side of the mounting plate 33 is fixedly connected on the outer wall of the rotary disc 10, an eccentric shaft 11 is fixedly arranged on the outer wall of the other side of the rotary disc 10, a connecting rod 12 is rotatably connected with a connecting shaft through a shaft sleeve, one end of the connecting rod 12 is rotatably connected with a pressing roll shaft 14, a sliding groove 13 is formed in the outer wall of one side of the mounting plate 33, one end of the connecting shaft 14 is inserted into the sliding groove 13, one end of the sliding groove 13 is fixedly connected with one end of the sliding groove 13, and one end of the pressing roll shaft 14 penetrates through 35.
Specifically, in this embodiment, the supporting plate 9 and the mounting plate 33 are welded by alloy plates, the outer wall on one side of the mounting plate 33 is fixedly provided with a pressing component 6 and a tensioning component 7 respectively, the pressing component 6 performs secondary stretching through a pressing roller shaft, the stretching degree and stretching efficiency of chemical fiber are improved, the tensioning component 7 can drive the tensioning roller shaft 21 to move upwards through spring shrinkage to prevent the chemical fiber from breaking, the outer wall on one side of the mounting plate 33 is fixedly provided with a large roller shaft 3, a driven roller 5 and a small roller shaft 4 respectively through rotating shafts, the large roller shaft 3, the driven roller 5 and the small roller shaft 4 can rotate through rotating shafts, thereby stretching the chemical fiber wound on the upper surface, the outer wall on one side of the mounting plate 33 is fixedly provided with a winding component 8, the stretched chemical fiber can be uniformly wound on the roller shaft through the winding component 8, the outer wall on the top of the supporting plate 9 is fixedly provided with a heating box 1, the heating box 1 is an electric heating type, and can uniformly heat chemical fiber wires so as to facilitate stretching, a wire feeding roller shaft 2 is fixedly arranged on the outer wall of one side of a mounting plate 33, a pressing component 6 comprises a rotary table 10 fixedly arranged on the outer wall of one side of the mounting plate 33 through a rotary shaft, a first motor 15 fixedly arranged on the outer wall of one side of the mounting plate 33 is fixedly connected on the outer wall of one side of the rotary table 10, an eccentric shaft 11 is fixedly arranged on the outer wall of the other side of the rotary table 10, a connecting rod 12 is connected on the outer side of the eccentric shaft 11 through shaft sleeve rotation, one end of the connecting rod 12 is rotationally connected with a pressing roller shaft 14, the first motor 15 drives the rotary table 10 to rotate so as to drive the connecting rod 12 to swing up and down, the pressing roller shaft 14 moves up and down along a first chute 13 so as to secondarily stretch the chemical fiber wires, the first chute 13 is arranged on the outer wall of one side of the mounting plate 33, one end of the pressing roller shaft 14 is spliced in the first chute 13, one end of the lower press roll shaft 14 penetrating through the first chute 13 is sleeved with a limiting block 35, and the limiting block 35 is sleeved on one side of the mounting plate 33, so that the lower press roll shaft 14 can be prevented from swinging left and right.
According to the drawing device for the high-strength chemical fiber, the pressing component 6 is arranged, the pressing roller shaft 14 can move up and down along with the movement of the turntable 10 driven by the motor 15, so that active secondary drawing is performed through the pressing roller shaft 14 in the chemical fiber drawing process, and the drawing degree and drawing efficiency of the chemical fiber are improved.
In one embodiment provided by the utility model, the tensioning assembly 7 comprises a fixed block 16 fixedly arranged on the outer wall of a mounting plate 33, a threaded guide rod 17 is inserted into the fixed block 16, the threaded guide rod 17 can move in the fixed block 16, when the connecting block 20 moves upwards under the force, the threaded guide rod 17 is driven to move upwards, a nut 18 positioned at the top of the fixed block 16 is connected to the outer wall of the threaded guide rod 17 in a threaded manner, a connecting block 20 is fixedly connected to the bottom end of the threaded guide rod 17, a pressure spring 19 is sleeved outside the threaded guide rod 17, the pressure spring 19 is a spring with high rigidity and can be contracted only by being extruded to a certain extent, the pressure spring 19 is positioned between the fixed block 16 and the connecting block 20, a tensioning roller shaft 21 penetrating through the connecting block 20 is fixedly connected to the outer wall on one side of the connecting block 20, a sliding groove II 34 is formed in the outer wall on one side of the mounting plate 33, one end of the tensioning roller shaft 21 is inserted into the sliding groove II 34, and one end of the tensioning roller shaft 21 can slide in the sliding groove II 34.
In another embodiment provided by the utility model, the rotating shafts of the large roll shaft 3 and the small roll shaft 4 penetrate through the mounting plate 33, the motor II 23 is fixedly arranged on the rotating shaft of the small roll shaft 4, the large roll shaft 3 and the small roll shaft 4 are connected with the belt III 31 through the transmission of the transmission wheel, the motor II 23 is a driving motor to drive the small roll shaft 4 to rotate, and the large roll shaft 3 can be driven to rotate through the belt III 31, and chemical fiber wires wound on the large roll shaft 3 and the small roll shaft 4 are stretched due to different rotating speeds of the large roll shaft 3 and the small roll shaft 4.
In still another embodiment of the present utility model, the winding assembly 8 includes a vertical plate 32 fixedly installed on the top outer wall of the supporting plate 9, the inner wall between the vertical plate 32 and the mounting plate 33 is fixedly connected with a winding roller shaft 22 and a reciprocating screw rod 25 through a rotating shaft, one end of the winding roller shaft 22 and one end of the reciprocating screw rod 25 are in transmission connection with a belt one 29, the inner wall between the vertical plate 32 and the mounting plate 33 is fixedly connected with a guide rod 26, the outer wall of the reciprocating screw rod 25 is in threaded connection with a nut one 27, the outer part of the guide rod 26 is in sliding connection with a sliding seat 28 fixedly connected with the nut one 27, the outer wall of the top of the sliding seat 28 is fixedly connected with a guide rod 24, when the reciprocating screw rod 25 rotates, the nut one 27 and the sliding seat 28 are driven to move, so as to drive the guide rod 24 to reciprocate, when the chemical fiber is wound by the guide rod 24, the chemical fiber is uniformly wound on the winding roller shaft 22, the output shaft of the motor two 23 is in transmission connection with a belt two 30, the inner wall of one end of the belt two 30 is in transmission connection with the rotating shaft of the reciprocating screw rod 25, and the motor two 23 drives the reciprocating screw rod 25 to rotate through the belt two 30.
In still another embodiment provided by the utility model, the mounting plate 33 and the supporting plate 9 are L-shaped, the mounting plate 33 and the supporting plate 9 are mutually and vertically connected, the pressing component 6 is positioned between the large roller shaft 3 and the driven rotary drum 5, chemical fiber wires pass through the upper surfaces of the large roller shaft 3 and the driven rotary drum 5 and pass through the lower surfaces of the pressing roller shaft 14, when the pressing component 6 is positioned between the large roller shaft 3 and the driven rotary drum 5, secondary stretching is convenient, the tensioning component 7 is positioned between the driven rotary drum 5 and the small roller shaft 4, and the chemical fiber wires also pass through the lower surfaces of the tensioning roller shaft 21, so that shrinkage and upward movement are convenient, the chemical fiber wires are prevented from being broken, and the large roller shaft 3, the small roller shaft 4 and the driven rotary drum 5 are positioned on the same horizontal plane.
Working principle: when the chemical fiber stretching machine works, chemical fiber firstly enters the heating box 1 from the wire feeding roll shaft 2 to be heated, and then sequentially winds and passes through the upper part of the large roll shaft 3, the lower part of the lower roll shaft 14, the upper part of the driven roll 5, the lower part of the tensioning roll shaft 21 and the upper part of the small roll shaft 4 after exiting from the heating box 1, and is repeatedly wound and stretched, and finally is wound on the winding roll shaft 22 through the guide rod 24, the small roll shaft 4 and the large roll shaft 3 are driven to rotate through the motor II 23, so that the stretching of the chemical fiber is realized, meanwhile, the motor I15 drives the turntable 10 to rotate, so that the lower roll shaft 14 is driven to reciprocate up and down in the chute 13, so that the stretching degree of the chemical fiber is increased, and when the chemical fiber is excessively stretched, the chemical fiber can squeeze the tensioning roll shaft 21, so that the pressure spring 19 contracts, the tensioning roll shaft 21 moves upwards, the stretching degree of the chemical fiber is relieved, and the bursting is prevented.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a stretching device for high strength chemical fiber silk, includes backup pad (9) and mounting panel (33), and mounting panel (33) welding is on the outer wall of backup pad (9) top one side, a serial communication port, fixedly on the outer wall of mounting panel (33) one side is equipped with respectively and pushes down subassembly (6) and tensioning subassembly (7), fixedly on the outer wall of mounting panel (33) one side is equipped with big roller (3), driven rotary drum (5) and little roller (4) through the pivot respectively, fixedly on the outer wall of mounting panel (33) one side is equipped with rolling subassembly (8), fixedly on the outer wall of backup pad (9) top is equipped with heating cabinet (1), fixedly on the outer wall of mounting panel (33) one side is equipped with wire feed roller (2), push down subassembly (6) including through pivot fixed mounting carousel (10) on the outer wall of mounting panel (33) one side, fixedly connected with motor one (15) on the outer wall of carousel (10) one side is fixed mounting on the outer wall of mounting panel (33) one side, fixedly on the outer wall of carousel (10) opposite side is equipped with eccentric shaft (11), and outside of eccentric shaft (11) is connected with through the axle sleeve (12) rotation, one side is connected with one side of connecting rod (13) through the connecting rod (12) rotation, and one end of the lower compression roller shaft (14) is inserted into the first chute (13), and one end of the lower compression roller shaft (14) penetrating through the first chute (13) is sleeved with a limiting block (35).
2. The stretching device for the high-strength chemical fiber yarns according to claim 1, wherein the tensioning assembly (7) comprises a fixed block (16) fixedly installed on the outer wall of a mounting plate (33), a threaded guide rod (17) is inserted into the fixed block (16), a nut (18) positioned at the top of the fixed block (16) is connected to the outer wall of the threaded guide rod (17) in a threaded manner, a connecting block (20) is fixedly connected to the bottom end of the threaded guide rod (17), a pressure spring (19) is sleeved outside the threaded guide rod (17), the pressure spring (19) is positioned between the fixed block (16) and the connecting block (20), a tensioning roller shaft (21) penetrating through the connecting block (20) is fixedly connected to the outer wall on one side of the connecting block (20), a sliding groove II (34) is formed in the outer wall on one side of the mounting plate (33), and one end of the tensioning roller shaft (21) is inserted into the sliding groove II (34).
3. The stretching device for the high-strength chemical fiber yarns according to claim 1, wherein the rotating shafts of the large roller shaft (3) and the small roller shaft (4) penetrate through the mounting plate (33), a motor II (23) is fixedly arranged on the rotating shaft of the small roller shaft (4), and a belt III (31) is connected between the large roller shaft (3) and the small roller shaft (4) through transmission of a transmission wheel.
4. The stretching device for the high-strength chemical fiber yarns according to claim 1, wherein the winding assembly (8) comprises a vertical plate (32) fixedly installed on the outer wall of the top of the supporting plate (9), a winding roll shaft (22) and a reciprocating screw rod (25) are fixedly connected to the inner wall between the vertical plate (32) and the mounting plate (33) through rotating shafts respectively, a belt I (29) is connected to one end of the winding roll shaft (22) and one end of the reciprocating screw rod (25) in a rotating manner, a guide rod (26) is fixedly connected to the inner wall between the vertical plate (32) and the mounting plate (33), a nut I (27) is connected to the outer wall of the reciprocating screw rod (25) in a threaded manner, a sliding seat (28) fixedly connected with the nut I (27) is connected to the outer wall of the top of the sliding seat (28), and a guide rod (24) is fixedly connected to the outer wall of the top of the sliding seat (28).
5. A drawing device for high-strength chemical fiber yarns according to claim 3, characterized in that the output shaft of the second motor (23) is in transmission connection with the second belt (30), and the inner wall of one end of the second belt (30) is in transmission connection with the rotating shaft of the reciprocating screw rod (25).
6. A drawing device for high-strength chemical fiber yarns according to claim 1, characterized in that the mounting plate (33) is L-shaped with the support plate (9), the pressing component (6) is located between the large roll shaft (3) and the driven roll (5), the tensioning component (7) is located between the driven roll (5) and the small roll shaft (4), and the large roll shaft (3), the small roll shaft (4) and the driven roll (5) are located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688086.9U CN220977243U (en) | 2023-10-08 | 2023-10-08 | Stretching device for high-strength chemical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688086.9U CN220977243U (en) | 2023-10-08 | 2023-10-08 | Stretching device for high-strength chemical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220977243U true CN220977243U (en) | 2024-05-17 |
Family
ID=91057927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322688086.9U Active CN220977243U (en) | 2023-10-08 | 2023-10-08 | Stretching device for high-strength chemical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220977243U (en) |
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2023
- 2023-10-08 CN CN202322688086.9U patent/CN220977243U/en active Active
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