CN219688927U - Winding machine for manufacturing tear marks - Google Patents
Winding machine for manufacturing tear marks Download PDFInfo
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- CN219688927U CN219688927U CN202321245051.1U CN202321245051U CN219688927U CN 219688927 U CN219688927 U CN 219688927U CN 202321245051 U CN202321245051 U CN 202321245051U CN 219688927 U CN219688927 U CN 219688927U
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- tooth
- threaded hole
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- 238000004804 winding Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 50
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 27
- 239000010432 diamond Substances 0.000 claims abstract description 27
- 230000000087 stabilizing effect Effects 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 15
- 208000032370 Secondary transmission Diseases 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 8
- 208000032369 Primary transmission Diseases 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Abstract
The utility model discloses a winding machine for manufacturing tearing marks, which relates to the technical field of winding machines and comprises a material placing device, a winding device and a material guiding component arranged between the winding device and the material placing device, wherein the material guiding component comprises a rack, a diamond column fixedly arranged on the rack and a material guiding roller rotationally arranged on the rack, a sleeve piece is sleeved on the diamond column, a telescopic component is fixedly connected with the sleeve piece, a tooth piece component for manufacturing the tearing marks is fixedly connected with the telescopic component, the tooth piece component comprises a connecting piece, a tooth piece and a first bearing arranged in the connecting piece, the tooth is rotationally arranged at one end of a rotating shaft, the material guiding roller is in abutting fit with the tooth piece, the position of the tooth piece component can be controlled by fixedly connecting the telescopic component with the tooth piece component through a connecting sleeve sleeved on the diamond column, the position generated by the tearing marks can be controlled, the multidirectional variability in the process of manufacturing products with the tearing marks can be reduced, the qualification rate of the products can be increased, and the working efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of winders, in particular to a winding machine for manufacturing tear marks.
Background
According to the Chinese patent application No. CN201821939711.5, "when producing PVC film, the existing PVC film winding device has the following defects: according to customer's demand sometimes need to process out easily tear the line on the PVC film, current easily tear line processing generally through manual operation, and manual operation needs to use other auxiliary fixtures such as frock for the variability of product is big, influences the production quality of product.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme for solving the problems by using a winding machine for manufacturing tear marks.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a winding machine for manufacturing tear marks comprises a material placing device, a winding device and a material guiding component arranged between the winding device and the material placing device;
the material guiding assembly comprises a frame, diamond columns fixedly arranged on the frame and a material guiding roller rotatably arranged on the frame;
the diamond-shaped column is sleeved with a sleeving piece, the sleeving piece is fixedly connected with a telescopic component, and the telescopic component is fixedly connected with a tooth plate component for manufacturing tearing marks;
the tooth plate assembly comprises a connecting piece, a tooth plate and a first bearing penetrating through the connecting piece and fixedly connected with the connecting piece, the outer wall of the first bearing is fixedly matched with the connecting piece, and the inner wall of the first bearing is fixedly connected with a rotating shaft;
one end of the rotating shaft is rotationally arranged in the connecting piece, the tooth piece is rotationally arranged at the other end of the rotating shaft, and the material guiding roller is in butt fit with the tooth piece.
As a further scheme of the utility model: the telescopic component comprises a first fixed block fixedly connected with the sleeve joint piece, a second fixed block fixedly connected with the connecting piece and an adjusting screw;
the first fixing block and the second fixing block are respectively provided with a first threaded hole and a second threaded hole, wherein the first threaded hole penetrates through the first fixing block, and the first threaded hole is in alignment fit with the second threaded hole;
the lower end of the adjusting screw penetrates through the first threaded hole in a threaded manner and is in threaded engagement with the second threaded hole in a threaded manner;
the adjusting screw is sleeved with a spring, the lower end of the spring is in butt fit with the second fixing block, the upper end of the spring is in butt fit with a nut, and the nut is sleeved in the adjusting screw and is in butt fit with the upper end of the spring.
As a further scheme of the utility model: the device also comprises a first guide column and a second guide column which are arranged in parallel with the adjusting screw, wherein the first guide column and the second guide column respectively penetrate through the first positioning block, and the lower ends of the first guide column and the second guide column are fixedly matched with the second fixed block;
the first guide column and the second guide column are symmetrically arranged by taking the adjusting screw as a center.
As a further scheme of the utility model: the device also comprises a motor, wherein a gear transmission assembly is arranged between the motor and the diamond column;
the gear transmission assembly comprises a worm, a multi-stage gear meshed with the worm and a driven gear meshed with the multi-stage gear, and the driven gear is fixedly connected and matched with the diamond column in a concentric manner;
the multi-stage gear comprises a primary transmission layer and a secondary transmission layer, wherein the worm is meshed with the primary transmission layer for transmission, the driven gear is meshed with the secondary transmission layer for transmission, and the diameter of the cross section of the secondary transmission layer is larger than that of the driven gear;
the motor is fixedly connected with the worm in a matching way.
As a further scheme of the utility model: the device also comprises a first stabilizing piece and a second stabilizing piece, wherein the first stabilizing piece and the second stabilizing piece are respectively and symmetrically arranged on the frame, and the first stabilizing piece and the second stabilizing piece are respectively and fixedly arranged on the frame;
the two ends of the diamond-shaped column are respectively arranged on the first stabilizing piece and the second stabilizing piece in a rotating mode, and one end of the diamond-shaped column penetrates through the first stabilizing piece to be arranged and fixedly matched with the driven gear.
As a further scheme of the utility model: a second bearing is arranged between the tooth plate and the rotating shaft, the inner wall of the second bearing is fixedly matched with the rotating shaft, and the outer wall of the second bearing is fixedly matched with the tooth plate.
Compared with the prior art, the utility model has the following beneficial effects: the diamond column is sleeved with the connecting sleeve, the connecting sleeve is fixedly connected with the telescopic component, the telescopic component is fixedly connected with the tooth plate component, the position of the tooth plate component can be controlled in multiple directions, the position of the tearing mark can be controlled during manufacturing, the structure is simple, the difference in the process of manufacturing a product with the tearing mark can be reduced, the qualification rate of the product is increased, and the working efficiency is improved.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is a schematic perspective view of a guide assembly according to the present utility model;
FIG. 3 is a partial schematic view of FIG. 2 at A;
FIG. 4 is another perspective view of the guide assembly of the present utility model;
FIG. 5 is a partial schematic view at B in FIG. 4;
reference numerals and names in the drawings are as follows:
a material placing device-10;
a winding device-20;
the device comprises a material guide assembly-1, a frame-12, a material guide roller-13, a first stabilizing piece-14 and a second stabilizing piece-15;
diamond column-2, socket-joint piece-21;
a telescoping assembly-3;
a first fixed block-4, a first threaded hole-41;
a second fixed block-5, a second threaded hole-51;
an adjusting screw-6;
a spring-61, a nut-62, a first guide post-63, a second guide post-64;
a tooth plate assembly-7;
the connecting piece-71, the tooth piece-72, the first bearing-73, the first rotating shaft-74 and the second bearing-75;
a gear assembly-8;
the gear comprises a worm 81, a multi-stage gear 82, a primary transmission layer 83, a secondary transmission layer 84, a driven gear 85 and a motor 86.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a winding machine for manufacturing tear marks includes a material placing device 10, a winding device 20, and a material guiding assembly 1 disposed between the winding device 20 and the material placing device 10;
the material guiding assembly 1 comprises a frame 12, a diamond column 2 fixedly arranged on the frame 12 and a material guiding roller 13 rotatably arranged on the frame 12;
the diamond-shaped column 2 is sleeved with a sleeve joint piece 21, the sleeve joint piece 21 is fixedly connected with a telescopic component 3, and the telescopic component 3 is fixedly connected with a tooth piece component 7 for manufacturing tearing marks;
the tooth plate assembly 7 comprises a connecting piece 71, a tooth plate 72 and a first bearing 73 penetrating through the connecting piece 71 and fixedly connected with the connecting piece 71, the outer wall of the first bearing 73 is fixedly matched with the connecting piece 71, and a rotating shaft is fixedly connected with the inner wall of the first bearing 73;
one end of the rotating shaft is rotatably arranged in the connecting piece 71, the tooth piece 72 is rotatably arranged at the other end of the rotating shaft, and the material guiding roller 13 is in butt fit with the tooth piece 72.
The material placing device 10 is used for placing unprocessed material rolls, the rolling device 20 is used for rolling the material rolls after processing is completed, in the prior art, the end parts of the material rolls are pulled out and connected with the rolling device 20, the rolling device 20 rotates to roll the material rolls, materials can pass through the material guiding component 1 when reaching the rolling device 20 from the material placing device 10, and the material guiding component 1 can control the material tension after rolling in rolling;
the tooth plate assembly 7 is fixedly connected with the sleeving piece 21, the sleeving piece 21 is sleeved on the diamond column 2, the diamond column 2 can prevent the sleeving piece 21 from rotating, but the sleeving piece 21 can slide on the diamond column 2 along the length direction of the diamond column 2, the sleeving piece 21 is fixedly connected with the telescopic assembly 3, the telescopic assembly 3 is fixedly connected with the tooth plate assembly 7, the sleeving piece 21 slides on the diamond column 2 along the length of the diamond column 2 to control the transverse position of the tooth plate assembly 7, the telescopic assembly 3 can control the position of the tooth plate assembly 7, and the position of the tooth plate assembly 7 can be adjusted;
the tooth 72 in the tooth assembly 7 is abutted with the guide roller 13, the end part of the material roll is pulled out in the working process, the material is in a sheet body shape, the material is firstly arranged between the tooth 72 and the guide roller 13, the upper end face and the lower end face of the material are respectively abutted with the tooth 72 and the guide roller 13, at the moment, teeth on the tooth 72 penetrate the material, the tooth 72 is abutted with the guide roller 13, the material is fixedly connected with the winding assembly, the winding assembly rotates and winds the material, the material is always transversely positioned in the winding process of the winding assembly, wherein the material is penetrated by the tooth 72 when passing through the gap between the tooth 72 and the guide roller 13, the material continuously moves transversely, the tooth 72 is also subjected to the acting force in the direction of the material during the movement due to the penetration of the material, one end of the rotating shaft is arranged in the connecting piece 71, the tooth 72 is rotationally arranged at the other end of the rotating shaft, the tooth 72 can rotate during the acting force, the tooth 72 can better rotate, the tear mark can be continuously generated on the connecting sleeve 3, the tear mark can be continuously formed by the connecting sleeve 3, the tear mark can be controlled, the tear mark can be continuously formed by the connecting sleeve can be controlled, the tear and tear the product can be produced by the diamond-shaped assembly, and the product can be produced by the utility model, the position of the tear and the product can be controlled by the tear the diamond-shaped assembly and the tear the product can be produced by the tear the position and the product.
In the embodiment of the utility model, the telescopic assembly 3 comprises a first fixed block 4 fixedly connected with the sleeve joint piece 21, a second fixed block 5 fixedly connected with the connecting piece 71 and an adjusting screw 6;
the first fixing block 4 and the second fixing block 5 are respectively provided with a first threaded hole 41 and a second threaded hole 51, wherein the first threaded hole 41 penetrates through the first fixing block 4, and the first threaded hole 41 is in alignment fit with the second threaded hole 51;
the lower end of the adjusting screw 6 is in threaded connection with the first threaded hole 41 and then in threaded connection with the second threaded hole 51;
the adjusting screw 6 is sleeved with a spring 61, the lower end of the spring 61 is in butt fit with the second fixed block 5, the upper end of the spring 61 is in butt fit with a nut 62, and the nut 62 is sleeved in the adjusting screw 6 and is in butt fit with the upper end of the spring 61.
The second fixed block 5 of the telescopic assembly 3 is fixedly matched with the connecting piece 71 of the tooth plate assembly 7, the lower end of the adjusting screw 6 is in threaded connection with the first threaded hole 41 and then in threaded connection with the second threaded hole 51, and the position of the tooth plate assembly 7 can be controlled by changing the threaded connection position of the adjusting screw 6 and the first threaded hole 41;
for example, the first fixing block 4 is closer to the second fixing block 5, the adjusting screw 6 is first screwed with the first threaded hole 41, after the first threaded hole 41 of the adjusting screw 6 is screwed, the position of the first fixing block 4 is located at the lower end of the adjusting screw 6, and then the adjusting screw 6 is screwed and fixed with the second threaded hole 51 of the second fixing block 5, at this time, the second fixing block 5 is close to the first fixing block 4;
for example, the first fixing block 4 is further away from the second fixing block 5, the adjusting screw 6 is first screwed with the first threaded hole 41, after the first threaded hole 41 of the adjusting screw 6 is screwed, the position of the first fixing block 4 is located on the adjusting screw 6, and then the adjusting screw 6 is screwed and fixed with the second threaded hole 51 of the second fixing block 5, at this time, the second fixing block 5 is far away from the first fixing block 4;
wherein, the cover is equipped with spring 61 on the adjusting screw 6, the upper and lower both ends of spring 61 butt nut 62 and second fixed block 5 respectively, adjusting screw 6 can make first fixed block 4 and second fixed block 5 be connected, spring 61 can consolidate second fixed block 5, through the butt of spring 61 and nut 62, because the both ends of spring 61 butt with nut 62 and second fixed block 5 respectively, when spring 61 is compressed by nut 62 butt, the spring 61's elasticity can exert the dynamics of deviating from first fixed block 4 direction to the second butt piece, can increase the frictional force of adjusting screw 6 and second screw hole 51 of second fixed block 5, stability after the adjustment has been improved.
The embodiment of the utility model further comprises a first guide post 63 and a second guide post 64 which are arranged in parallel with the adjusting screw 6, wherein the first guide post 63 and the second guide post 64 respectively penetrate through the first positioning block, and the lower ends of the first guide post 63 and the second guide post 64 are fixedly matched with the second fixed block 5;
the first guide post 63 and the second guide post 64 are symmetrically arranged around the adjusting screw 6.
The first guide post 63 and the second guide post 64 can ensure that the first fixed block 4 and the second fixed block 5 are matched in parallel to the maximum extent in the process of adjusting the distance, so that the second fixed block 5 deviates from a predicted track during adjustment, the position of the tooth plate 72 is wrongly adjusted, after the adjustment is finished, when the use time is too long, the adjusting screw 6 is inevitably bent, and the like, and the first guide post 63 and the second guide post 64 can reduce the bending probability of the adjusting screw 6 and prolong the service life of the utility model.
The embodiment of the utility model further comprises a motor 86, wherein a gear transmission assembly 8 is arranged between the motor 86 and the diamond column 2;
the gear transmission assembly 8 comprises a worm 81, a multi-stage gear 82 meshed with the worm 81 and a driven gear 85 meshed with the multi-stage gear 82, and the driven gear 85 is fixedly connected and matched with the diamond column 2 in a concentric manner;
the multi-stage gear 82 comprises a primary transmission layer 83 and a secondary transmission layer 84, wherein the worm 81 is meshed with the primary transmission layer 83 for transmission, the driven gear 85 is meshed with the secondary transmission layer 84 for transmission, and the diameter of the cross section of the secondary transmission layer 84 is larger than that of the driven gear 85.
The motor 86 is fixedly connected with the worm 81.
The motor 86 is connected with the worm 81, the worm 81 is meshed with the first-stage transmission layer 83 of the multi-stage gear 82 for transmission, when the motor 86 starts to work, the worm 81 drives the multi-stage gear 82 to rotate, wherein the second-stage transmission layer 84 of the multi-stage gear 82 is meshed with the driven gear 85 for transmission, the driven gear 85 is fixedly connected with the diamond column 2 in a concentric manner, when the driven gear 85 rotates, the diamond column 2 is driven to rotate together, the working state of the motor 86 can be controlled to control the rotation of the diamond column 2, the connecting sleeve is sleeved on the diamond column 2, when the diamond column 2 rotates, the connecting sleeve can be driven to rotate, the connecting sleeve is fixedly connected with the telescopic assembly 3, the telescopic assembly 3 is fixedly connected with the toothed assembly 7, the toothed assembly 72 can be driven to rotate when the connecting sleeve rotates, the position of the toothed assembly 7 can be adjusted better by matching the telescopic assembly 3 and the connecting sleeve along the length direction of the diamond column 2, tear marks can be manufactured by materials with different sizes, and the working efficiency can be improved.
In one embodiment of the present utility model, the worm 81 and the multi-stage gear 82 are used to drive, so that the diamond column 2 can be guaranteed to rotate when the motor 86 is input, and the diamond column 2 is prevented from rotating independently due to external force due to the characteristic of the worm 81 drive.
In one embodiment of the present utility model, the motor 86 is a gear motor 86, and the rotational speed can be controlled to more finely adjust the angle.
In the embodiment of the utility model, the device further comprises a first stabilizing piece 14 and a second stabilizing piece 15, wherein the first stabilizing piece 14 and the second stabilizing piece 15 are respectively and symmetrically arranged on the frame 12, and the first stabilizing piece 14 and the second stabilizing piece 15 are respectively and fixedly arranged on the frame 12;
the two ends of the diamond-shaped column 2 are respectively rotatably arranged on the first stabilizing piece 14 and the second stabilizing piece 15, and one end of the diamond-shaped column 2 penetrates through the first stabilizing piece 14 and is fixedly connected with the driven gear 85.
Through the design of the first stabilizing piece 14 and the second stabilizing piece 15, the positions of the diamond-shaped columns 2 can be conveniently located at ideal positions, the diamond-shaped columns 2 can be enabled to better drive the position adjustment of the blades, and the blades can be enabled to better be in abutting fit with the guide roller 13.
In the embodiment of the utility model, a second bearing 75 is arranged between the tooth plate 72 and the rotating shaft, the inner wall of the second bearing 75 is fixedly matched with the rotating shaft, and the outer wall of the second bearing 75 is fixedly matched with the tooth plate 72.
The pivot rotates to locate in the connecting piece 71, wherein, be equipped with first bearing 73 in the connecting piece 71, the outer wall and the connecting piece 71 rigid coupling cooperation of first bearing 73, the inner wall and the pivot rigid coupling cooperation of first bearing 73, when the tooth piece 72 receives the effort that produces when material lateral movement, tooth piece 72 will rotate, when tooth piece 72 rotates, the pivot also rotates thereupon, first bearing 73 can make the rotation of pivot more smooth, and be equipped with second bearing 75 between pivot and the tooth piece 72, second bearing 75 can further guarantee that the rotation of tooth piece 72 is more smooth.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a make rolling machine of tearing mark, includes material device, coiling mechanism and locates the coiling mechanism and put the guide subassembly between the material device, its characterized in that:
the material guiding assembly comprises a frame, diamond columns fixedly arranged on the frame and a material guiding roller rotatably arranged on the frame;
the diamond-shaped column is sleeved with a sleeving piece, the sleeving piece is fixedly connected with a telescopic component, and the telescopic component is fixedly connected with a tooth plate component for manufacturing tearing marks;
the tooth plate assembly comprises a connecting piece, a tooth plate and a first bearing penetrating through the connecting piece and fixedly connected with the connecting piece, the outer wall of the first bearing is fixedly matched with the connecting piece, and the inner wall of the first bearing is fixedly connected with a rotating shaft;
one end of the rotating shaft is rotationally arranged in the connecting piece, the tooth piece is rotationally arranged at the other end of the rotating shaft, and the material guiding roller is in butt fit with the tooth piece.
2. The winding machine for manufacturing tear marks according to claim 1, wherein the telescopic assembly comprises a first fixed block fixedly connected with the sleeve joint part, a second fixed block fixedly connected with the connecting part and an adjusting screw;
the first fixing block and the second fixing block are respectively provided with a first threaded hole and a second threaded hole, wherein the first threaded hole penetrates through the first fixing block, and the first threaded hole is in alignment fit with the second threaded hole;
the lower end of the adjusting screw penetrates through the first threaded hole in a threaded manner and is in threaded engagement with the second threaded hole in a threaded manner;
the adjusting screw is sleeved with a spring, the lower end of the spring is in butt fit with the second fixing block, the upper end of the spring is in butt fit with a nut, and the nut is sleeved in the adjusting screw and is in butt fit with the upper end of the spring.
3. The winding machine for manufacturing tear marks according to claim 2, further comprising a first guide column and a second guide column which are arranged in parallel with the adjusting screw, wherein the first guide column and the second guide column respectively penetrate through the first positioning block, and the lower ends of the first guide column and the second guide column are fixedly matched with the second fixing block;
the first guide column and the second guide column are symmetrically arranged by taking the adjusting screw as a center.
4. A tear making winder as claimed in claim 3, further comprising a motor, a gear assembly being provided between the motor and the diamond-shaped post;
the gear transmission assembly comprises a worm, a multi-stage gear meshed with the worm and a driven gear meshed with the multi-stage gear, and the driven gear is fixedly connected and matched with the diamond column in a concentric manner;
the multi-stage gear comprises a primary transmission layer and a secondary transmission layer, wherein the worm is meshed with the primary transmission layer for transmission, the driven gear is meshed with the secondary transmission layer for transmission, and the diameter of the cross section of the secondary transmission layer is larger than that of the driven gear;
the motor is fixedly connected with the worm in a matching way.
5. The winding machine for manufacturing tear marks according to claim 4, further comprising a first stabilizing piece and a second stabilizing piece, wherein the first stabilizing piece and the second stabilizing piece are respectively and symmetrically arranged on the frame, and the first stabilizing piece and the second stabilizing piece are respectively and fixedly arranged on the frame;
the two ends of the diamond-shaped column are respectively arranged on the first stabilizing piece and the second stabilizing piece in a rotating mode, and one end of the diamond-shaped column penetrates through the first stabilizing piece to be arranged and fixedly matched with the driven gear.
6. The winding machine for manufacturing tear marks according to claim 5, wherein a second bearing is arranged between the tooth plate and the rotating shaft, the inner wall of the second bearing is fixedly matched with the rotating shaft, and the outer wall of the second bearing is fixedly matched with the tooth plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321245051.1U CN219688927U (en) | 2023-05-22 | 2023-05-22 | Winding machine for manufacturing tear marks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321245051.1U CN219688927U (en) | 2023-05-22 | 2023-05-22 | Winding machine for manufacturing tear marks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219688927U true CN219688927U (en) | 2023-09-15 |
Family
ID=87968613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321245051.1U Active CN219688927U (en) | 2023-05-22 | 2023-05-22 | Winding machine for manufacturing tear marks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219688927U (en) |
-
2023
- 2023-05-22 CN CN202321245051.1U patent/CN219688927U/en active Active
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