CN112622128A - Film production trimming device - Google Patents
Film production trimming device Download PDFInfo
- Publication number
- CN112622128A CN112622128A CN202011568804.3A CN202011568804A CN112622128A CN 112622128 A CN112622128 A CN 112622128A CN 202011568804 A CN202011568804 A CN 202011568804A CN 112622128 A CN112622128 A CN 112622128A
- Authority
- CN
- China
- Prior art keywords
- movable block
- seat
- trimming
- base
- servo motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009966 trimming Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 34
- 239000010409 thin film Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/0322—Controlling transverse register of web by acting on edge regions of the web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of film production, in particular to a film production trimming device which comprises a base, wherein a limiting mechanism is arranged on one side in the base, a second servo motor is arranged at one end of the base, the output end of the second servo motor is connected with a cutting mechanism, and a leveling mechanism is arranged at the top end of the cutting mechanism. Has the advantages that: through the fixing base that sets up, first movable block, second movable block and gear, according to the gear respectively with the inside rack of first movable block and second movable block mesh mutually, and first movable block carries on spacingly by the fixing base with the second movable block, when making the gear rotatory, can make first movable block and second movable block carry out relative motion in the fixed roll outside, and then carry on spacingly to the both sides of the film that is via the fixed roll, ensure that the film is located the middle part position of fixed roll all the time, avoid the adverse effect that film offset caused.
Description
Technical Field
The invention relates to the technical field of film production, in particular to a film production trimming device.
Background
The film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials, and the scientific explanation of the film is as follows: two-dimensional materials formed by deposition of atoms, molecules or ions on a substrate surface, for example: optical films, composite films, superconducting films, polyester films, nylon films, plastic films and the like, and the films are widely used in the industries of electronics, machinery, printing and the like.
At present, two groups of trimming knife assemblies are additionally arranged on two sides of an original device in the film production process corresponding to the film trimming operation, and are adjusted manually according to the required trimming distance, and the trimming knife assemblies are required to be detached when not in use, so that the damage to the blades and the safety to staff are avoided.
Most of the existing film production trimming devices are fixed in structure, the trimming length cannot be adjusted according to actual needs, and meanwhile, the existing film production trimming devices do not have the function of limiting the film.
Disclosure of Invention
The invention aims to solve the defects that most of film production trimming devices in the prior art are fixed in structure and cannot adjust the trimming length according to actual requirements, and the existing film production trimming devices do not have the function of limiting a film.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a film production deburring device, includes the base, stop gear is installed to inside one side of base, second servo motor is installed to the one end of base, second servo motor's output is connected with cutting mechanism, cutting mechanism's top is provided with leveling mechanism.
Preferably, stop gear includes the fixing base, the inside one side of fixing base is provided with first movable block, the one end of first movable block is provided with the recess, the inboard of recess is provided with the rack, the inside opposite side of fixing base is provided with the second movable block, the internally mounted of fixing base bottom has first servo motor, first servo motor's output is provided with the gear, the gear is located between recess and the rack, stop gear includes the inside fixed roll that is located the fixing base top of base, the both sides and the fixed roll of recess and rack cup joint.
Preferably, the cutting mechanism comprises a trimming seat, a sliding groove is formed in one side of the trimming seat, a third servo motor is arranged at one end, located in the sliding groove, of the trimming seat, the output end of the third servo motor is connected with a bidirectional screw rod, a sliding block is arranged on the outer side of the bidirectional screw rod, and a trimming knife is arranged on the outer side of the sliding block.
Preferably, the leveling mechanism comprises a mounting seat fixed in the middle of two ends of the trimming seat, a groove is formed in the mounting seat, a guide rod is arranged in the groove, a fixing rod is arranged on the outer side of the guide rod, an extrusion wheel is arranged on the outer side of the fixing rod, and a spring is arranged above the fixing rod on the outer side of the guide rod.
Preferably, the fixing base is a rectangular structure, the fixing base is detachably connected with the base, the first movable block is of an L-shaped structure, the first movable block is identical to the groove structure, the gear and the rack are meshed with each other, and the fixed roller is fixed to two sides of the base.
Preferably, the vertical section of the trimming seat is of an oval structure, the size of the sliding block is matched with the sliding groove, and the sliding block is in threaded connection with the bidirectional screw.
Preferably, the size and the fluting phase-match of dead lever, the dead lever cup joints with the guide bar, the material that the extrusion wheel adopted is the sponge.
The invention provides a film production trimming device, which has the beneficial effects that:
1. through the fixing base that sets up, first movable block, second movable block and gear, according to the gear respectively with the inside rack of first movable block and second movable block mesh mutually, and first movable block carries on spacingly by the fixing base with the second movable block, when making the gear rotatory, can make first movable block and second movable block carry out relative motion in the fixed roll outside, and then carry on spacingly to the both sides of the film that is via the fixed roll, ensure that the film is located the middle part position of fixed roll all the time, avoid the adverse effect that film offset caused.
2. Through the arranged sliding groove, the two-way screw rod, the sliding block and the trimming knife, the sliding groove is matched with the sliding groove according to the size of the sliding block, and the sliding groove is in threaded connection with the two-way screw rod, so that the third servo motor can drive the sliding groove to rotate and move in the sliding groove, and the two groups of sliding grooves can move relatively according to the existing characteristics of the two-way screw rod.
3. Through the fluting that sets up, guide bar and pinch roller, lie in fluting inside sliding connection according to the dead lever, and the guide bar then lies in the fluting and provides a set of effort downwards all the time for the pinch roller can satisfy the extrusion to different thickness films, lies in following deburring work when avoiding the film to take place the fold and provides the help of flattening.
Drawings
FIG. 1 is a schematic view of the internal structure of a thin film trimming apparatus according to the present invention;
FIG. 2 is a schematic structural view of a trimming seat of the trimming device for film production according to the present invention;
FIG. 3 is a schematic view of a base structure of a trimming apparatus for thin film production according to the present invention;
FIG. 4 is a schematic structural view of a limiting seat of the trimming apparatus for thin film production according to the present invention;
FIG. 5 is a schematic structural view of a trimming blade of the trimming device for film production according to the present invention.
In the figure: 1. a base; 2. a fixed seat; 3. a first movable block; 4. a groove; 5. a rack; 6. a second movable block; 7. a fixed roller; 8. a first servo motor; 9. a gear; 10. a second servo motor; 11. trimming the edge seat; 12. a chute; 13. a third servo motor; 14. a bidirectional screw; 15. a slider; 16. trimming knives; 17. a mounting seat; 18. grooving; 19. a guide bar; 20. fixing the rod; 21. an extrusion wheel; 22. a spring; 23. a limiting mechanism; 24. a cutting mechanism; 25. and a leveling mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a film production trimming device comprises a base 1, wherein a limiting mechanism 23 is installed on one side inside the base 1, a second servo motor 10 is installed at one end of the base 1, the output end of the second servo motor 10 is connected with a cutting mechanism 24, and a leveling mechanism 25 is arranged at the top end of the cutting mechanism 24.
Through the fixing base 2 that sets up, first movable block 3, second movable block 6 and gear 9, according to gear 9 respectively with the inside rack 5 meshing of first movable block 3 and second movable block 6, and first movable block 3 carries on spacingly by fixing base 2 with second movable block 6, make gear 9 when rotatory, can make first movable block 3 and second movable block 6 carry out relative motion in the fixed roll 7 outside, and then carry on spacingly to the both sides of passing through the film of fixed roll 7, ensure that the film is located the middle part position of fixed roll 7 all the time, avoid the adverse effect that film offset caused
Wherein, the limiting mechanism 23 comprises a fixed seat 2, one side inside the fixed seat 2 is provided with a first movable block 3, one end of the first movable block 3 is provided with a groove 4, the inner side of the groove 4 is provided with a rack 5, the other side inside the fixed seat 2 is provided with a second movable block 6, the inside of the bottom end of the fixed seat 2 is provided with a first servo motor 8, the output end of the first servo motor 8 is provided with a gear 9, the gear 9 is positioned between the groove 4 and the rack 5, the limiting mechanism 23 comprises a fixed roller 7 positioned above the fixed seat 2 inside a base 1, the two sides of the groove 4 and the rack 5 are sleeved with the fixed roller 7, a cutting mechanism 24 comprises a trimming seat 11, one side of the trimming seat 11 is provided with a chute 12, one end of the trimming seat 11 positioned at the chute 12 is provided with a third servo motor 13, the output end of the third servo motor 13 is connected, the outer side of the sliding block 15 is provided with a trimming knife 16, and the two groups of sliding blocks 15 move relatively according to the existing characteristics of the bidirectional screw 14 through the arranged bidirectional screw 14, on one hand, the position of the sliding block 15 can be adjusted according to the actual situation to trim two sides of the film, and on the other hand, the trimming knife 16 can be turned to the bottom of the trimming seat 11 to be hidden when not in use.
Wherein, the leveling mechanism 25 comprises an installation seat 17 fixed at the middle part of the two ends of the trimming seat 11, a slot 18 is arranged inside the installation seat 17, a guide rod 19 is arranged inside the slot 18, a fixed rod 20 is arranged outside the guide rod 19, an extrusion wheel 21 is arranged outside the fixed rod 20, a spring 22 is arranged above the fixed rod 20 outside the guide rod 19, the fixed seat 2 is in a rectangular structure, the fixed seat 2 is detachably connected with the base 1, the first movable block 3 and the second movable block 3 are in an L-shaped structure, the first movable block 3 and the groove 4 are in the same structure, the gear 9 and the rack 5 are mutually meshed, the fixed roller 7 and the two sides of the base 1 are fixed, the gear 9 is respectively meshed with the rack 5 inside the first movable block 3 and the second movable block 6 according to the gear 9, and the first movable block 3 and the second movable block 6 are limited by the fixed seat 2, so that when the gear 9 rotates, can make first movable block 3 and second movable block 6 carry out relative motion in the fixed roll 7 outside, and then carry on spacingly to the both sides of passing through the film of fixed roll 7.
The vertical section of the trimming seat 11 is of an elliptical structure, the size of the sliding block 15 is matched with the sliding groove 12, the sliding block 15 is in threaded connection with the bidirectional screw 14, the size of the fixed rod 20 is matched with the groove 18, the fixed rod 20 is sleeved with the guide rod 19, the extrusion wheel 21 is made of sponge, the sliding block 15 is arranged and matched with the sliding groove 12 according to the size of the sliding block 15, and the sliding block 15 is in threaded connection with the bidirectional screw 14, so that the third servo motor 13 can drive the sliding block 15 to rotate and move inside the sliding groove 12.
The working principle is as follows: according to the fact that the gear 9 is respectively meshed with the racks 5 inside the first movable block 3 and the second movable block 6, and the first movable block 3 and the second movable block 6 are limited by the fixing seat 2, when the gear 9 rotates, the first movable block 3 and the second movable block 6 can move relatively outside the fixed roller 7, and then two sides of a thin film passing through the fixed roller 7 are limited, the thin film is always located in the middle of the fixed roller 7, adverse effects caused by position deviation of the thin film are avoided, the size of the sliding block 15 is matched with the sliding groove 12, the sliding block 15 is in threaded connection with the bidirectional screw 14, the third servo motor 13 can drive the sliding block 15 to rotate and move inside the sliding groove 12, the two groups of sliding blocks 15 can move relatively according to the existing characteristics of the bidirectional screw 14, on one hand, the position of the sliding block 15 can be adjusted according to actual conditions, and two sides of the thin film are trimmed, on the other hand, when the film edge trimmer is not used, the edge trimmer 16 can be rotated to the bottom of the edge trimming seat 11 to be hidden, the fixed rod 20 is positioned in the open groove 18 to be in sliding connection, the guide rod 19 is positioned in the open groove 18 to provide a group of always downward acting force, so that the extrusion wheel 21 can extrude films with different thicknesses, and the films are prevented from being wrinkled and are positioned in the next edge trimming work to provide flattening assistance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a film production trimming device, includes base (1), its characterized in that, stop gear (23) are installed to the inside one side of base (1), second servo motor (10) are installed to the one end of base (1), the output of second servo motor (10) is connected with cutting mechanism (24), the top of cutting mechanism (24) is provided with and levels mechanism (25).
2. The trimming device for the production of films according to claim 1, wherein said limiting mechanism (23) comprises a fixed seat (2), a first movable block (3) is arranged on one side inside the fixed seat (2), a groove (4) is arranged at one end of the first movable block (3), a rack (5) is arranged on the inner side of the groove (4), a second movable block (6) is arranged on the other side in the fixed seat (2), a first servo motor (8) is arranged in the bottom end of the fixed seat (2), the output end of the first servo motor (8) is provided with a gear (9), the gear (9) is positioned between the groove (4) and the rack (5), the limiting mechanism (23) comprises a fixed roller (7) which is arranged above the fixed seat (2) in the base (1), the groove (4) is sleeved with the fixed roller (7) at two sides of the rack (5).
3. The film production trimming device according to claim 1, wherein the cutting mechanism (24) comprises a trimming seat (11), a sliding chute (12) is arranged on one side of the trimming seat (11), a third servo motor (13) is arranged at one end, located on the sliding chute (12), of the trimming seat (11), the output end of the third servo motor (13) is connected with a bidirectional screw (14), a sliding block (15) is arranged on the outer side of the bidirectional screw (14), and a trimming knife (16) is arranged on the outer side of the sliding block (15).
4. The film production trimming device according to claim 1, wherein the leveling mechanism (25) comprises a mounting seat (17) fixed at the middle part of the two ends of the trimming seat (11), a slot (18) is arranged inside the mounting seat (17), a guide rod (19) is arranged inside the slot (18), a fixing rod (20) is arranged outside the guide rod (19), a squeezing wheel (21) is arranged outside the fixing rod (20), and a spring (22) is arranged outside the guide rod (19) above the fixing rod (20).
5. The film production trimming device according to claim 1, wherein the fixed seat (2) is of a rectangular structure, the fixed seat (2) is detachably connected with the base (1), the first movable block (3) is of an L-shaped structure, the first movable block (3) is of the same structure as the groove (4), the gear (9) is meshed with the rack (5), and the fixed roller (7) is fixed to two sides of the base (1).
6. The film production trimming device according to claim 1, wherein the vertical section of the trimming seat (11) is of an elliptical structure, the size of the sliding block (15) is matched with that of the sliding groove (12), and the sliding block (15) is in threaded connection with the bidirectional screw (14).
7. The film production trimming device according to claim 1, wherein the size of the fixing rod (20) is matched with the slot (18), the fixing rod (20) is sleeved with the guide rod (19), and the extrusion wheel (21) is made of sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568804.3A CN112622128A (en) | 2020-12-26 | 2020-12-26 | Film production trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568804.3A CN112622128A (en) | 2020-12-26 | 2020-12-26 | Film production trimming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112622128A true CN112622128A (en) | 2021-04-09 |
Family
ID=75325492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011568804.3A Pending CN112622128A (en) | 2020-12-26 | 2020-12-26 | Film production trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112622128A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580666A (en) * | 2021-08-09 | 2021-11-02 | 浙江安然达包装材料有限公司 | Hot-pressing forming process for single-item air valve air column bag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019000976A (en) * | 2017-06-13 | 2019-01-10 | 住華科技股▲ふん▼有限公司 | Cutting trim die, and cutting apparatus and cutting method using the same |
| CN110815353A (en) * | 2019-11-30 | 2020-02-21 | 重庆瑞霆塑胶有限公司 | Edge cutting device for film layering |
| CN210733284U (en) * | 2019-07-16 | 2020-06-12 | 湖北琼霸防水科技有限公司 | A press mold device and laminating machine for waterproofing membrane production |
| CN211842278U (en) * | 2020-01-14 | 2020-11-03 | 昆山祺力达电子材料有限公司 | Electrostatic film rim charge cuts collection device |
| CN212049687U (en) * | 2020-04-30 | 2020-12-01 | 浙江东泽控股有限公司 | Soft package film winding device |
-
2020
- 2020-12-26 CN CN202011568804.3A patent/CN112622128A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019000976A (en) * | 2017-06-13 | 2019-01-10 | 住華科技股▲ふん▼有限公司 | Cutting trim die, and cutting apparatus and cutting method using the same |
| CN210733284U (en) * | 2019-07-16 | 2020-06-12 | 湖北琼霸防水科技有限公司 | A press mold device and laminating machine for waterproofing membrane production |
| CN110815353A (en) * | 2019-11-30 | 2020-02-21 | 重庆瑞霆塑胶有限公司 | Edge cutting device for film layering |
| CN211842278U (en) * | 2020-01-14 | 2020-11-03 | 昆山祺力达电子材料有限公司 | Electrostatic film rim charge cuts collection device |
| CN212049687U (en) * | 2020-04-30 | 2020-12-01 | 浙江东泽控股有限公司 | Soft package film winding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580666A (en) * | 2021-08-09 | 2021-11-02 | 浙江安然达包装材料有限公司 | Hot-pressing forming process for single-item air valve air column bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115157337B (en) | Tectorial membrane device is used in PVC wood plastic panel production | |
| CN112622128A (en) | Film production trimming device | |
| CN210551604U (en) | Automatic film cutting machine with adjustable width | |
| CN219837852U (en) | Film production slitting structure | |
| CN210452973U (en) | Film dissects device | |
| CN216807543U (en) | Slitting and edge sucking device of plastic extrusion casting film machine | |
| CN213770768U (en) | Novel polylactic acid membrane is cut device | |
| CN216945531U (en) | Film cutting device | |
| CN220197838U (en) | Die cutting machine with adjustable cutting stroke | |
| CN219854983U (en) | Prevent shearing mechanism of fold | |
| CN212608383U (en) | Polyester film winding mechanism | |
| CN220922646U (en) | Production and processing device for packaging film | |
| CN219006154U (en) | Ultraviolet-proof automobile film processing distance dividing and cutting machine | |
| CN216917919U (en) | Roll-up device of ultralight high stability fluorine element from type membrane processing usefulness | |
| CN218538717U (en) | Plastic film edge cutting rewinding machine | |
| CN219485965U (en) | Quick cutting device of plywood | |
| CN219337857U (en) | Rolling cutting equipment | |
| CN219075763U (en) | Slitting device for plastic film production | |
| CN213859603U (en) | Edge cutting device for film production | |
| CN217318330U (en) | Novel die-cut cutting die of optics diaphragm | |
| CN212096447U (en) | Edge cutting device for film rolling production line of filtering film | |
| CN220846172U (en) | Flattening device with improved structure for handbag processing | |
| CN216422759U (en) | Plastic film production equipment with accurate cutting function | |
| CN215923886U (en) | Cutting type film winding equipment | |
| CN211590345U (en) | Double-screw extruding double-layer bubble film machine trimming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |