CN219882661U - Breathable film automatic feeding punching mechanism - Google Patents
Breathable film automatic feeding punching mechanism Download PDFInfo
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- CN219882661U CN219882661U CN202320388722.3U CN202320388722U CN219882661U CN 219882661 U CN219882661 U CN 219882661U CN 202320388722 U CN202320388722 U CN 202320388722U CN 219882661 U CN219882661 U CN 219882661U
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- 238000004080 punching Methods 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 2
- 208000014674 injury Diseases 0.000 abstract description 5
- 208000012260 Accidental injury Diseases 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides an automatic feeding and punching mechanism for a breathable film, which comprises a workbench arranged on the ground; a punching hole is formed in one side, far away from the ground, of the workbench, and a material receiving channel communicated with the punching hole is formed in one side of the workbench; the feeding components are arranged on two sides of the workbench and are used for conveying the breathable film and horizontally passing through the surface of the workbench; the punching assembly is arranged on one side of the workbench far away from the ground and is used for punching the breathable film in transmission; cutting the breathable film and then entering the material receiving channel; the transfer assembly is arranged in the material receiving channel in a penetrating way and reciprocates along the extending direction of the material receiving channel; the transfer component sends the cut breathable film out of the workbench for convenient taking and transferring, so that accidental injury caused by direct taking of people is avoided, and safety is improved.
Description
Technical Field
The utility model relates to the technical field of breathable film production equipment, in particular to an automatic breathable film feeding and punching mechanism.
Background
The material of the waterproof and breathable film is generally E-PTFE, is a film produced by polytetrafluoroethylene through a special process, is mainly characterized by waterproof and breathable properties, dustproof and breathable properties and bacterial ventilation prevention, and is widely applied to the fields of automobiles, medical treatment, environmental monitoring, packaging, electronic sensor element protection and the like.
The Chinese patent with publication number of CN216613277U discloses a waterproof breathable film automatic feeding device, which comprises a supporting bench, a feeding mechanism arranged on the supporting bench and used for waterproof breathable film feeding, a cutting mechanism arranged on the supporting bench, a receiving mechanism arranged on the supporting bench, and a cutting mechanism which sequentially comprises a bottom plate arranged on the supporting bench, at least one cutting head arranged below the bottom plate, a plurality of support columns arranged on the bottom plate, a fixed plate arranged on the support columns and a first driving piece arranged on the fixed plate, wherein the output end of the first driving piece is connected with the cutting head, and the cutting head moves along the vertical direction under the driving of the first driving piece.
The existing waterproof breathable film automatic feeding device directly falls into the jig after being punched by waterproof breathable films, but the existing waterproof breathable film automatic feeding device is often required to take out the punched waterproof breathable films in the production process and then load the punched waterproof breathable films, such as the waterproof breathable films are required to be welded in cell culture dish bottle caps, but the existing punched breathable films are inconvenient to take on a workbench, accidental injury is easy to occur when people take the punched breathable films, and safety is low.
Disclosure of Invention
In view of the above, the utility model provides an automatic feeding and punching mechanism for breathable films, which is convenient for taking out the punched breathable films from a workbench, avoids accidental injury caused by direct taking of people, and improves safety.
The technical scheme of the utility model is realized as follows: the utility model provides an automatic feeding and punching mechanism for breathable films, which comprises
The workbench is arranged on the ground; a punching hole is formed in one side, far away from the ground, of the workbench, and a material receiving channel communicated with the punching hole is formed in one side of the workbench;
the feeding assemblies are arranged on two sides of the workbench and are used for conveying the breathable film and horizontally passing through the surface of the workbench;
the punching assembly is arranged on one side of the workbench far away from the ground and is used for punching the breathable film in transmission; cutting the breathable film and then entering the material receiving channel;
the method is characterized in that: and also comprises a transfer component, wherein,
the transfer component is arranged in the material receiving channel in a penetrating way and reciprocates along the extending direction of the material receiving channel; and the transfer component sends the cut breathable film out of the workbench.
On the basis of the technical scheme, preferably, the direction in which the material receiving channel is arranged is perpendicular to the conveying direction of the breathable film.
On the basis of the technical scheme, preferably, the transfer assembly is provided with a telescopic end, one side of the telescopic end far away from the ground is provided with a material receiving hole matched with the punching hole, and when the telescopic end pushes the material receiving piece to move to the farthest stroke, the position of the material receiving hole is aligned with the position of the punching hole.
On the basis of the technical scheme, preferably, the transfer assembly is one of an air cylinder, a linear module and an electric push rod.
On the basis of the technical proposal, the utility model preferably further comprises at least two limiting pieces, wherein,
the at least two limiting pieces are arranged on one side, far away from the ground, of the workbench and are arranged in parallel with the moving direction of the breathable film, and one side of each limiting piece is provided with a film passing channel with the same position, and the film passing channels are flush with the surface of the workbench;
the size of the ventilation film is matched with that of the film passing channel, and the ventilation film horizontally and transversely passes through the film passing channel and is attached to the surface of the workbench.
On the basis of the technical proposal, preferably, the punching assembly comprises a frame, a pushing piece, a guiding piece, a sliding part and a punching head, wherein,
the frame is arranged on one side of the workbench far away from the ground;
the guide piece is vertically arranged on one side of the workbench far away from the ground;
the sliding part is sleeved on the outer side of the guide piece in a sliding way;
the pushing piece is vertically arranged on the frame, and the movable end face of the pushing piece is fixed with one side of the sliding part, which is far away from the workbench;
the punching head is oppositely arranged on one side of the sliding part far away from the pushing piece, and the position of the punching head corresponds to the position of the punching hole.
On the basis of the technical proposal, the punching assembly preferably further comprises a plurality of sliding parts, a mounting part and a plurality of elastic parts, wherein,
the sliding part is provided with a plurality of round holes along the vertical direction,
the sliding parts are respectively and correspondingly arranged in the round holes in a sliding way,
the installation parts are arranged between one sides of the sliding parts close to the ground;
the elastic pieces are arranged between the mounting part and the sliding part;
the punching head is arranged on one side of the mounting part far away from the sliding part.
On the basis of the technical proposal, the feeding assembly preferably comprises two supporting pieces, a unreeling disk, a reeling disk and a driving piece, wherein,
the two supporting pieces are arranged on the ground and are respectively positioned at two sides of the workbench;
the unreeling disc and the reeling disc are respectively and correspondingly arranged on each supporting piece and are both in rotary connection with the supporting pieces;
the driving piece is arranged on the supporting piece on one side of the winding disc and used for driving the winding disc to rotate so as to wind the breathable film.
On the basis of the technical proposal, the feeding assembly preferably further comprises a plurality of guide rollers, wherein,
the guide rollers are symmetrically arranged on the two supporting pieces respectively, and the breathable film is abutted between the guide rollers and used for enabling the breathable film to stably move.
On the basis of the technical scheme, preferably, the driving piece is a driving motor, and an output shaft of the driving piece is in transmission connection with the winding disc through a transmission belt.
Compared with the prior art, the automatic feeding and punching mechanism for the breathable film has the following beneficial effects:
(1) Through the subassembly that moves that sets up can follow the workstation with the ventilated membrane that drops after die-cut and shift out, conveniently take and transport, avoid people directly to take and cause unexpected injury, improved the security.
(2) Through the matching of the size of the ventilation film and the size of the ventilation film, the ventilation film penetrates through the film channel and is attached to the surface of the workbench, the ventilation film can be limited in the height direction and the width direction by the ventilation film channel, so that the ventilation film can be smoothly and stably horizontally conveyed on the surface of the workbench, the position of the ventilation film in conveying can be positioned, the position is prevented from being deviated and twisted in the punching process, and the production quality of the waterproof ventilation film is effectively ensured;
(3) The guide piece that sets up cooperatees with the sliding part can make the impeller when making die-cut head die-cut downwards, and the position is more stable to, through slider, installation department and a plurality of elastic component that set up, can play buffering guard action to the die-cut head.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an automatic feeding and punching mechanism for breathable films of the present utility model;
FIG. 2 is a front view of an automatic feeding and punching mechanism for breathable films of the present utility model;
FIG. 3 is a rear view of the automated breathable film feeding and die cutting mechanism of the present utility model;
FIG. 4 is a perspective view of the connection structure between the workbench and the transfer assembly of the automatic feeding and punching mechanism for breathable films;
FIG. 5 is a perspective view of a transfer assembly of the automated breathable film feeding and die cutting mechanism of the present utility model;
fig. 6 is a perspective view showing a connection structure between a sliding part and a mounting part of the automatic feeding and punching mechanism for breathable films.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1 to 6, the automatic feeding and punching mechanism for the breathable film comprises a workbench 1, a feeding assembly 2, a punching assembly 3, at least two limiting pieces 4 and a transferring assembly 5.
Wherein the workbench 1 is arranged on the ground; a punching hole 100 is formed in one side of the workbench 1 far away from the ground, and a material receiving channel 110 communicated with the punching hole 100 is formed in one side of the workbench 1; the feeding components 2 are arranged on two sides of the workbench 1 and are used for conveying the breathable film and horizontally passing through the surface of the workbench 1; the punching assembly 3 is arranged on one side of the workbench 1 far away from the ground and is used for punching the breathable film in the conveying process; cutting the breathable film and then entering the material receiving channel 110; the transfer assembly 5 is arranged in the material receiving channel 110 in a penetrating way, and reciprocates along the extending direction of the material receiving channel 110; the transfer unit 5 feeds the cut breathable film out of the table 1.
It should be noted that, the punching head 35 is aligned downwards to the punching hole 100 to punch, the breathable film is punched and dropped onto the transfer component 5, and then the transfer component 5 is moved out from the material receiving channel 110, so that the punched breathable film is sent out of the workbench, and the breathable film is conveniently taken out, so that accidental injury caused by direct taking of people is avoided, and the safety is improved.
It can be understood that in this embodiment, a robot gripping device may be further disposed behind the workbench 1, and may cooperate with the movement of the transfer component 5 to perform gripping and transferring of the transfer breathable film.
As a preferred embodiment, the direction in which the material receiving passage 110 is opened is perpendicular to the conveying direction of the breathable film.
As a preferred embodiment, the transfer assembly 5 has a telescopic end 51, a receiving hole 500 matched with the punching hole 100 is formed on one side of the telescopic end 51 away from the ground, and when the telescopic end 51 pushes the receiving piece 52 to move to the farthest distance, the position of the receiving hole 500 is aligned with the position of the punching hole 100.
And, the inner contour of the receiving channel 110 matches the outer contour of the telescoping end 51.
It should be noted that, the telescopic end 51 can slide in the receiving channel 110, which is more stable.
Specifically, the stretching and transferring component 5 is one of a cylinder, a linear module or an electric push rod.
At least two limiting pieces 4 are arranged on one side of the workbench 1 far away from the ground and are arranged in parallel with the moving direction of the breathable film, one sides of the at least two limiting pieces 4 are provided with film passing channels 400 with the same positions, and the film passing channels 400 are flush with the surface of the workbench 1; the size of the ventilation film is matched with that of the film passing channel 400, and the ventilation film horizontally and transversely passes through the film passing channel 400 and is attached to the surface of the workbench 1.
It should be noted that, the inner wall of one side of the film passing channel 400 near the ground is flush with the surface of the workbench 1, and the breathable film sequentially passes through the film passing channels 400 of the limiting pieces 4 on two sides when being conveyed by the feeding component 2, and the breathable film is limited in the height direction and the width direction due to the matching of the breathable film and the size of the film passing channels 400, so that the breathable film can be smoothly and stably conveyed horizontally on the surface of the workbench 1, the position of the breathable film in conveying can be positioned, the position is prevented from being deviated and twisted in the punching process, and the production quality of the waterproof breathable film is effectively ensured.
And, at least two locating parts 4 are arranged symmetrically with the vertical plane of the length center line of the workbench 1.
It should be noted that, in this embodiment, the number of the limiting members 4 is two, and the two limiting members 4 are symmetrically arranged left and right, so that the breathable film is more stably conveyed in the film passing channel 400.
As a preferred embodiment, the die cutting assembly 3 comprises a frame 31, a pushing member 32, a guide member 33, a sliding portion 34 and a die cutting head 35, wherein the frame 31 is provided at a side of the table 1 remote from the ground; the guide member 33 is vertically arranged at one side of the workbench 1 away from the ground; the sliding part 34 is sleeved on the outer side of the guide piece 33 in a sliding way; the pushing piece 32 is vertically arranged on the frame 31, and the movable end surface of the pushing piece 32 and one side of the sliding part 34 away from the workbench 1 are fixed; the punching head 35 is disposed opposite to the side of the sliding portion 34 away from the pushing member 32, and the punching head 35 corresponds to the position of the punching hole 100.
The sliding part 34 is pushed to move downward by the pushing member 32, the guiding member 33 slides on the outer side of the guiding member 33, so that the sliding part 34 can move downward stably, the guiding member 33 drives the lower punching head 35 to move downward, and the air-permeable film is punched by matching with the punching hole 100.
A floating connection joint is further arranged between the pushing piece 32 and the sliding part 34, and the floating connection joint absorbs the eccentricity of the sliding part 34 and the pushing piece 32, balances the precision, and keeps the action of the pushing piece 32 stable during working.
Specifically, the pushing member 32 in the present embodiment may be an air cylinder, a hydraulic cylinder, or an electric push rod.
In addition, the punching assembly 3 further includes a plurality of sliding members 36, a mounting portion 37 and a plurality of elastic members 38, wherein the sliding portion 34 is provided with a plurality of round holes 340 along a vertical direction thereof, the plurality of sliding members 36 are correspondingly and slidingly arranged in the round holes 340, and the mounting portion 37 is arranged between one sides of the plurality of sliding members 36 close to the ground; a plurality of elastic members 38 are disposed between the mounting portion 37 and the sliding portion 34; the punching head 35 is provided on a side of the mounting portion 37 remote from the slider 36.
By providing the elastic member 38 between the mounting portion 37 and the sliding portion 34, the die-cutting head 35 can be buffered during die-cutting, and the mounting portion 37 can be guided by the sliding member 36 provided on the mounting portion 37 being slidably connected to the circular hole 340.
As a preferred embodiment, the feeding assembly 2 comprises two supporting members 21, a reel 22, a reel 23 and a driving member 24, wherein the two supporting members 21 are respectively arranged on the ground and are respectively arranged at two sides of the workbench 1; the unreeling disc 22 and the reeling disc 23 are respectively and correspondingly arranged on each supporting piece 21 and are both in rotary connection with the supporting pieces 21; the driving member 24 is disposed on the supporting member 21 at one side of the winding drum 23, and is used for driving the winding drum 23 to rotate to wind up the breathable film.
The roll-shaped waterproof and breathable film is mounted on the outer side of the unreeling disc 22, and then the other end of the roll-shaped waterproof and breathable film sequentially passes through the film passing channel 400 and is fixed on the outer side of the reeling disc 23, and the reeling disc 23 is driven to rotate by the driving piece 24 to reel the breathable film.
In addition, the feeding assembly 2 further comprises a plurality of guide rollers 25, wherein the guide rollers 25 are symmetrically arranged on the two supporting members 21 respectively, and the breathable film is abutted between the guide rollers 25 for enabling the breathable film to stably run.
It should be noted that, the number of the guide rollers 25 is specifically four, two guide rollers 25 on the same side are respectively arranged on each supporting piece 21, the positions of the two guide rollers 25 on the same side are different, the lower end surfaces of the two guide rollers 25 positioned below are flush with the end surface of the workbench 1, and the horizontal conveying of the waterproof breathable film is effectively ensured.
The driving piece 24 is a driving motor, and an output shaft of the driving piece 24 is in transmission connection with the winding disc 23 through a transmission belt.
It should be noted that, still be provided with adjusting part on setting up support piece 21 on one side of driving piece 24 for adjust the elasticity of drive belt, wherein, adjusting part includes the fixing base, the screw hole has been seted up to the vertical direction of fixing base, the inboard threaded connection of screw hole has the screw rod, the top swing joint of screw rod has the mounting panel, the mounting hole has been seted up to support piece 21 on one side of setting up driving piece 24, driving piece 24 is located the mounting hole and fixed mounting is on the mounting panel, wherein, can make the height of mounting panel remove through rotating the screw rod, and then can adjust the elasticity of crossing the drive belt.
Working principle:
firstly, a coiled waterproof breathable film is arranged on the outer side of a unreeling disc 22, then the other end of the coiled waterproof breathable film sequentially passes through a film passing channel 400 and is fixed on the outer side of a reeling disc 23, and the reeling disc 23 is driven to rotate by a driving piece 24 to reel the breathable film, so that the breathable film transversely and horizontally moves;
then, the sliding part 34 is pushed to move downwards by the pushing piece 32, so that the punching head 35 is matched with the corresponding punching hole 100 to punch the conveyed breathable film, and the punched breathable film falls into the receiving hole 500;
the die-cut breathable film is then removed by the transfer assembly 5 driving the telescoping end 51 out of the receiving channel 110.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. Automatic feeding and punching mechanism for breathable films comprises
A workbench (1) arranged on the ground; a punching hole (100) is formed in one side, far away from the ground, of the workbench (1), and a material receiving channel (110) communicated with the punching hole (100) is formed in one side of the workbench (1);
the feeding assemblies (2) are arranged on two sides of the workbench (1) and are used for conveying the breathable film and horizontally passing through the surface of the workbench (1);
the punching assembly (3) is arranged on one side of the workbench (1) far away from the ground and is used for punching the breathable film in the conveying process; cutting the breathable film and then entering the material receiving channel (110);
the method is characterized in that: also comprises a transfer component (5), wherein,
the transfer component (5) is arranged in the material receiving channel (110) in a penetrating way and reciprocates along the extending direction of the material receiving channel (110); the transfer component (5) sends the cut breathable film out of the workbench (1).
2. The automated breathable film feeding and die cutting mechanism according to claim 1, wherein: the direction in which the material receiving channel (110) is arranged is perpendicular to the conveying direction of the breathable film.
3. The automated breathable film feeding and die cutting mechanism according to claim 1, wherein: the transfer assembly (5) is provided with a telescopic end (51), one side of the telescopic end (51) far away from the ground is provided with a receiving hole (500) matched with the punching hole (100), and when the telescopic end (51) pushes the receiving piece (52) to move to the farthest stroke, the position of the receiving hole (500) is aligned with the position of the punching hole (100).
4. The automated breathable film feeding and die cutting mechanism according to claim 3, wherein: the transfer component (5) is one of an air cylinder, a linear module or an electric push rod.
5. The automated breathable film feeding and die cutting mechanism according to claim 1, wherein: also comprises at least two limiting pieces (4), wherein,
the at least two limiting pieces (4) are arranged on one side, far away from the ground, of the workbench (1) and are arranged in parallel with the moving direction of the breathable film, and one side of each limiting piece (4) is provided with a film passing channel (400) with the same position, and the film passing channels (400) are flush with the surface of the workbench (1);
the size of the ventilation film is matched with that of the film passing channel (400), and the ventilation film horizontally and transversely passes through the film passing channel (400) and is attached to the surface of the workbench (1).
6. The automated breathable film feeding and die cutting mechanism according to claim 1, wherein: the punching assembly (3) comprises a frame (31), a pushing piece (32), a guide piece (33), a sliding part (34) and a punching head (35), wherein,
the frame (31) is arranged on one side of the workbench (1) far away from the ground;
the guide piece (33) is vertically arranged on one side of the workbench (1) far away from the ground;
the sliding part (34) is sleeved on the outer side of the guide piece (33) in a sliding way;
the pushing piece (32) is vertically arranged on the frame (31), and the movable end surface of the pushing piece (32) and one side of the sliding part (34) far away from the workbench (1) are fixed;
the punching head (35) is oppositely arranged on one side of the sliding part (34) far away from the pushing piece (32), and the punching head (35) corresponds to the punching hole (100).
7. The automated breathable film feeding and die-cutting mechanism according to claim 6, wherein: the punching assembly (3) further comprises a plurality of sliding pieces (36), a mounting part (37) and a plurality of elastic pieces (38), wherein,
the sliding part (34) is provided with a plurality of round holes (340) along the vertical direction,
the sliding pieces (36) are respectively and correspondingly arranged in the round holes (340) in a sliding way,
the mounting part (37) is arranged between one side of the sliding parts (36) close to the ground;
the elastic pieces (38) are arranged between the mounting part (37) and the sliding part (34);
the punching head (35) is arranged on one side of the mounting part (37) away from the sliding piece (36).
8. The automated breathable film feeding and die cutting mechanism according to claim 1, wherein: the feeding component (2) comprises two supporting pieces (21), a unreeling disc (22), a reeling disc (23) and a driving piece (24), wherein,
the two supporting pieces (21) are arranged on the ground and are respectively positioned at two sides of the workbench (1);
the unreeling disc (22) and the reeling disc (23) are respectively and correspondingly arranged on each supporting piece (21) and are both in rotary connection with the supporting pieces (21);
the driving piece (24) is arranged on the supporting piece (21) at one side of the rolling disc (23) and is used for driving the rolling disc (23) to rotate so as to roll the breathable film.
9. The automated breathable film feeding die-cutting mechanism according to claim 8, wherein: the feed assembly (2) further comprises a plurality of guide rollers (25), wherein,
the guide rollers (25) are symmetrically arranged on the two supporting pieces (21) respectively, and the breathable film is abutted between the guide rollers (25) and used for enabling the breathable film to stably move.
10. The automated breathable film feeding die-cutting mechanism according to claim 8, wherein: the driving piece (24) is a driving motor, and an output shaft of the driving piece (24) is in transmission connection with the winding disc (23) through a transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320388722.3U CN219882661U (en) | 2023-03-06 | 2023-03-06 | Breathable film automatic feeding punching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320388722.3U CN219882661U (en) | 2023-03-06 | 2023-03-06 | Breathable film automatic feeding punching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219882661U true CN219882661U (en) | 2023-10-24 |
Family
ID=88411309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320388722.3U Active CN219882661U (en) | 2023-03-06 | 2023-03-06 | Breathable film automatic feeding punching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219882661U (en) |
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2023
- 2023-03-06 CN CN202320388722.3U patent/CN219882661U/en active Active
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