CN212101126U - Film winding and unwinding device - Google Patents
Film winding and unwinding device Download PDFInfo
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- CN212101126U CN212101126U CN201921943122.9U CN201921943122U CN212101126U CN 212101126 U CN212101126 U CN 212101126U CN 201921943122 U CN201921943122 U CN 201921943122U CN 212101126 U CN212101126 U CN 212101126U
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- film
- tensioning
- unwinding
- winding
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Abstract
The utility model provides a unwinding device is received to film belongs to film processing technology field. The film unwinding and tensioning device comprises a film unwinding mechanism, a film winding mechanism and a double-swing film tensioning mechanism, wherein an unwinding guide roller of the film unwinding mechanism is rotatably arranged on an unwinding guide roller supporting frame, a winding guide roller of the film winding mechanism is rotatably arranged on a winding guide roller supporting frame, a film unwinding tensioning roller of a film unwinding tensioning assembly of the double-swing film tensioning mechanism is rotatably arranged at one end of a film unwinding tensioning swing rod, a film winding tensioning roller of the film winding tensioning assembly is rotatably arranged at one end of the film winding tensioning swing rod, an unwinding tensioning adjusting pin shaft of the film tensioning adjusting assembly is inserted into an unwinding tensioning adjusting U-shaped groove in the film unwinding tensioning swing rod, and a winding tensioning adjusting pin shaft is inserted into a winding tensioning adjusting U-shaped groove in the film winding tensioning swing rod. The utility model discloses can steadily realize receiving of film and unreel, guarantee that the film has good planarization and suitable rate of tension.
Description
Technical Field
The utility model relates to a film processing technology field, in particular to unwinding device is received to film.
Background
The film is a thin and soft transparent sheet, and includes an optical film, a composite film, a superconducting film, a polyester film, a nylon film, a plastic film, and the like. The film is widely used in the industries of electronic and electric appliances, machinery, printing and the like. The film species classification is generally performed in three ways: the method comprises the following steps of: there are polyethylene film, polypropylene film, polyvinyl chloride film, polyester film and the like. The film is classified according to the purpose of the film: there are agricultural films, packaging films, and breathable films for special environments and for special uses, water-soluble films, films having piezoelectric properties, and the like. Classifying according to the forming method of the film: there are films that are extruded, plasticized, and then blow molded, known as blown films; extruding and plasticizing, and casting the molten material from a die opening to form a film, namely a casting film; films made from plasticized materials are rolled on a calender by several rollers, known as calendered films. During the processing of the film at each station, the flatness and the tension of the film are very important, and the flatness of the film directly influences the processing quality of the station. Particularly at the test station, the flatness and tautness of the film is more critical.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unwinding device is received to film can steadily realize receiving of film and unreel, guarantees that the film has good planarization and suitable rate of tension, is favorable to the processing and the test of film.
The utility model provides a technical scheme that its technical problem adopted is:
a film winding and unwinding device comprises a processing platform, a processing platform supporting leg, a height adjusting seat and a supporting leg cross beam, wherein the processing platform supporting leg is arranged at the lower end of the processing platform, the height adjusting seat is arranged at the lower end of the processing platform supporting leg, the supporting leg cross beam is arranged on the processing platform supporting leg, the film winding and unwinding device further comprises a film unwinding mechanism, a film winding mechanism and a double-swing film tensioning mechanism, the film unwinding mechanism and the film winding mechanism are respectively arranged at two sides of the processing platform, the film unwinding mechanism comprises a film unwinding frame, a film unwinding roller, an unwinding damper, an unwinding guide roller and an unwinding guide roller supporting frame, the film unwinding roller is rotatably arranged on the film unwinding frame, the unwinding damper is arranged at one end of the film unwinding roller, the unwinding guide roller supporting frame is arranged on the processing platform supporting leg, the unwinding guide roller is rotatably arranged on the unwinding guide roller supporting frame, the film winding mechanism comprises a film winding frame, a film winding roller, a winding motor, a first winding transmission chain wheel, a second winding transmission chain wheel, a winding transmission chain, a winding guide roller and a winding guide roller supporting frame, the film winding roller is rotatably arranged on the film winding frame, the second winding transmission chain wheel is coaxially arranged on one side of the film winding roller, the winding motor is arranged on the film winding frame, the winding motor is coaxially connected with the first winding transmission chain wheel, the first winding transmission chain wheel is connected with the second winding transmission chain wheel through the winding transmission chain, the winding guide roller supporting frame is arranged on a processing platform supporting leg, the winding guide roller is rotatably arranged on the winding guide roller supporting frame, the unwinding guide roller and the winding guide roller are arranged at equal heights, and the double-swing film tensioning mechanism comprises a film unwinding tensioning assembly, The film unwinding tensioning assembly comprises a film unwinding tensioning roller, a film unwinding tensioning swing rod and a film unwinding tensioning swing rod pin shaft, the middle end of the film unwinding tensioning swing rod is hinged to an unwinding guide roller supporting frame through the film unwinding tensioning swing rod pin shaft, the film unwinding tensioning roller can be rotatably arranged at one end of the film unwinding tensioning swing rod, an unwinding tensioning adjusting U-shaped groove is formed in the other end of the film unwinding tensioning swing rod, the film winding tensioning assembly comprises a film winding tensioning roller, a film winding tensioning swing rod and a film winding tensioning swing rod pin shaft, the middle end of the film winding tensioning swing rod is hinged to a winding guide roller supporting frame through the film winding tensioning swing rod pin shaft, the film winding roller can be rotatably arranged at one end of the film winding tensioning swing rod, and the other end of the film winding tensioning swing rod is provided with a tensioning adjusting U-shaped groove, the film tensioning adjusting assembly comprises a film tensioning double-piston adjusting cylinder and a film tensioning adjusting cylinder support, the film tensioning adjusting cylinder support is mounted on a support leg beam, the film tensioning double-piston adjusting cylinder comprises an adjusting cylinder body, an unreeling tensioning adjusting piston rod, a reeling tensioning adjusting piston rod, an unreeling tensioning adjusting lug, a reeling tensioning adjusting lug, an unreeling tensioning adjusting pin shaft and a reeling tensioning adjusting pin shaft, the adjusting cylinder body is mounted on the film tensioning adjusting cylinder support, the unreeling tensioning adjusting piston rod and the reeling tensioning adjusting piston rod are arranged at two ends of the adjusting cylinder body, the unreeling tensioning adjusting lug is mounted on the unreeling tensioning adjusting piston rod, the reeling tensioning adjusting lug is mounted on the reeling tensioning adjusting lug, the unreeling tensioning adjusting pin shaft is mounted on the unreeling tensioning adjusting lug, and the unreeling tensioning adjusting pin shaft is inserted into an unreeling tensioning adjusting U-shaped groove on a film unreeling tensioning swing rod, and the winding tensioning adjusting pin shaft is arranged on the winding tensioning adjusting lug and inserted into a winding tensioning adjusting U-shaped groove on the film winding tensioning swing rod.
Further, the height adjusting seat comprises a height adjusting frame and a height adjusting frame locking nut, wherein the height adjusting frame is in threaded connection with the supporting leg of the processing rack and is locked through the height adjusting frame locking nut.
Further, the film unwinding tensioning roller and the film winding tensioning roller are both rubber rollers.
Compared with the prior art, the utility model, have following advantage and effect: the film unwinding device comprises a film unwinding roller, a film unwinding damper, a winding motor and a film unwinding roller, wherein the film unwinding roller is driven by a first winding transmission chain wheel, a winding transmission chain and a second winding transmission chain wheel to rotate, the film unwinding roller is used for unwinding a film, the unwinding damper is arranged to ensure stable unwinding, the film is prevented from being loose due to inertia, the film is always kept to have a proper tension degree, the unwound film is sequentially unwound from the film unwinding roller, the unwinding guide roller, the winding guide roller and the film winding tension roller, and finally winding is realized on the film winding roller. And when the film passes above the processing platform, processing equipment or testing equipment processes and tests the film. And each time the winding motor acts, the film is pulled forward for a certain distance so as to process and test the next area. The altitude mixture control seat includes altitude mixture control frame, altitude mixture control frame lock nut, altitude mixture control frame and processing frame landing leg threaded connection to locking through altitude mixture control frame lock nut, not only can realizing the adjustment of processing platform height through the adjustment of altitude mixture control seat, the unevenness exists on workshop ground moreover, the unevenness that adapts to workshop ground through the adjustment of altitude mixture control seat, thereby guarantees that processing platform's up end keeps good levelness, is favorable to the processing and the test of film. The unwinding tensioning adjusting piston rod and the winding tensioning adjusting piston rod synchronously extend out simultaneously, the unwinding tensioning adjusting piston rod drives the film unwinding tensioning swing rod to swing clockwise around a film unwinding tensioning swing rod pin shaft, and the winding tensioning adjusting piston rod drives the film winding tensioning swing rod to swing anticlockwise around a film winding tensioning swing rod pin shaft, so that the tension degree of the film is improved, otherwise, the unwinding tensioning adjusting piston rod and the winding tensioning adjusting piston rod synchronously retract simultaneously, and the tension degree of the film is reduced. The film unwinding tensioning roller and the film winding tensioning roller are rubber rollers, so that the film can be tensioned and guided, and the film is effectively prevented from being damaged in the swinging process. The utility model discloses can steadily realize receiving of film and unreel, guarantee that the film has good planarization and suitable rate of tension, be favorable to processing and the test of film.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a processing platform, 2 processing platform supporting legs, 3 height adjusting seats, 4 supporting leg beams, 5 thin film unwinding mechanisms, 6 thin film winding mechanisms, 7 double-swing thin film tensioning mechanisms, 8 thin film unwinding frames, 9 thin film unwinding rollers, 10 unwinding dampers, 11 unwinding guide rollers, 12 unwinding guide roller supporting frames, 13 thin film winding frames, 14 thin film winding rollers, 15 winding motors, 16 first winding transmission chain wheels, 17 second winding transmission chain wheels, 18 winding transmission chains, 19 winding guide rollers, 20 winding guide roller supporting frames, 21 thin film unwinding tensioning assemblies, 22 thin film winding tensioning assemblies, 23 thin film tensioning adjusting assemblies, 24 thin film unwinding tensioning rollers, 25 thin film unwinding tensioning swing rods, 26 thin film unwinding tensioning swing rod pin shafts, 27 unwinding tensioning adjusting U-shaped grooves, 28 thin film winding rollers, 29. the film winding and tensioning device comprises a film winding and tensioning swing rod 30, a film winding and tensioning swing rod pin shaft 31, a winding and tensioning adjusting U-shaped groove 32, a film tensioning double-piston adjusting cylinder 33, a film tensioning adjusting cylinder support 34, an adjusting cylinder body 35, an unwinding and tensioning adjusting piston rod 36, a winding and tensioning adjusting piston rod 37, an unwinding and tensioning adjusting lug 38, a winding and tensioning adjusting lug 39, an unwinding and tensioning adjusting pin shaft 40, a winding and tensioning adjusting pin shaft 41, a height adjusting frame 42 and a height adjusting frame locking nut.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1 and 2, a film winding and unwinding device comprises a processing platform 1, processing platform legs 2, a height adjusting seat 3 and leg beams 4, wherein the processing platform legs 2 are installed at the lower end of the processing platform 1, the height adjusting seat 3 is installed at the lower end of the processing platform legs 2, the leg beams 4 are installed on the processing platform legs 2, the height adjusting seat 3 comprises a height adjusting frame 41 and a height adjusting frame locking nut 42, the height adjusting frame 41 is in threaded connection with the processing rack legs 2 and is locked by the height adjusting frame locking nut 42, not only the height of the processing platform 1 can be adjusted by adjusting the height adjusting seat 41, but also the workshop floor is uneven, the unevenness of the workshop floor is adapted by adjusting the height adjusting seat 3, and therefore the upper end face of the processing platform 1 is kept at a good levelness, is beneficial to the processing and testing of the film. It still includes film unwinding mechanism 5, film winding mechanism 6, two swing film straining device 7, film unwinding mechanism 5 and film winding mechanism 6 set up respectively in the both sides of processing platform 1, film unwinding mechanism 5 includes that film unreels frame 8, film unreels roller 9, unreels attenuator 10, unreels guide roll 11, unreels guide roll supporting rack 12, film unreels roller 9 is rotatable to be set up on film unreeling frame 8, unreel attenuator 10 and set up the one end at film unreeling roller 9, unreel guide roll supporting rack 12 and install on processing platform landing leg 2, unreel guide roll 11 is rotatable to be set up on unreeling guide roll supporting rack 12, film winding mechanism includes film winding frame 13, film winding roller 14, rolling motor 15, first rolling drive sprocket 16, second rolling drive sprocket 17, rolling drive chain 18, Rolling guide roll 19, rolling guide roll supporting rack 20, film wind-up roll 14 is rotatable to be set up on film wind-up frame 13, second rolling drive sprocket 17 sets up the one side at film wind-up roll 14 with the axle center, rolling motor 15 is installed on film wind-up frame 13, rolling motor 15 and first rolling drive sprocket 16 coaxial coupling, first rolling drive sprocket 16 and second rolling drive sprocket 17 pass through rolling drive chain 18 and connect, rolling guide roll supporting rack 20 is installed on processing platform landing leg 2, rolling guide roll 19 is rotatable to be set up on rolling guide roll supporting rack 20, set up such as unwinding guide roll 11 and rolling guide roll 19 height, two pendulum film straining device 7 unreel straining device 21, film rolling straining device 22, film tensioning adjusting part 23 including film unreeling tensioning roller 24, film unreeling tensioning device 21, A film unwinding tensioning swing rod 25 and a film unwinding tensioning swing rod pin shaft 26, wherein the middle end of the film unwinding tensioning swing rod 25 is hinged on the unwinding guide roller bearing frame 12 through the film unwinding tensioning swing rod pin shaft 26, the film unwinding tensioning roller 24 is rotatably arranged at one end of the film unwinding tensioning swing rod 25, the other end of the film unwinding tensioning swing rod 25 is provided with an unwinding tensioning adjusting U-shaped groove 27, the film winding tensioning assembly 22 comprises a film winding tensioning roller 28, a film winding tensioning swing rod 29 and a film winding tensioning swing rod pin shaft 30, the middle end of the film winding tensioning swing rod 29 is hinged on the winding guide roller bearing frame 20 through the film winding tensioning swing rod pin shaft 30, the film winding tensioning roller 28 is rotatably arranged at one end of the film winding tensioning swing rod 29, the other end of the film winding tensioning swing rod 29 is provided with a winding tensioning adjusting U-shaped groove 31, the film tensioning adjusting assembly 23 comprises a film tensioning double-piston adjusting cylinder 32 and a film tensioning adjusting cylinder support 33, the film tensioning adjusting cylinder support 33 is mounted on the supporting leg beam 4, the film tensioning double-piston adjusting cylinder 32 comprises an adjusting cylinder body 34, an unreeling tensioning adjusting piston rod 35, a reeling tensioning adjusting piston rod 36, an unreeling tensioning adjusting lug 37, a reeling tensioning adjusting lug 38, an unreeling tensioning adjusting pin 39 and a reeling tensioning adjusting pin 40, the adjusting cylinder body 34 is mounted on the film tensioning adjusting cylinder support 33, the unreeling tensioning adjusting piston rod 35 and the reeling tensioning adjusting piston rod 36 are arranged at two ends of the adjusting cylinder body 34, the unreeling tensioning adjusting lug 37 is mounted on the unreeling tensioning adjusting piston rod 35, the reeling tensioning adjusting lug 38 is mounted on the reeling tensioning adjusting lug 36, the unreeling tensioning adjusting pin 39 is mounted on the unreeling tensioning adjusting lug 37, and the unwinding tensioning adjusting pin 39 is inserted into the unwinding tensioning adjusting U-shaped groove 27 on the film unwinding tensioning swing rod 25, the winding tensioning adjusting pin 40 is mounted on the winding tensioning adjusting lug 38, and the winding tensioning adjusting pin 40 is inserted into the winding tensioning adjusting U-shaped groove 31 on the film winding tensioning swing rod 29. The film unwinding tensioning roller 24 and the film winding tensioning roller 28 are rubber rollers, so that the film can be tensioned and guided, and the film is effectively prevented from being damaged in the swinging process.
Through the technical scheme, the utility model relates to a film is received and is unreeled device when using, 15 actions of rolling motor, through first rolling driving sprocket 16, rolling driving chain 18, second rolling driving sprocket 17 drives film wind-up roll 14 and revolves, the film that the film was unreeled on the roller 9 unreels, it has guaranteed steadily to unreel setting up of attenuator 10, it is loose to avoid causing the film because of inertia, it has suitable rate of tension to keep the film all the time, the film that unreels tensioning roller 24 through the film in proper order, unreel guide roll 11, rolling guide roll 19, film rolling tensioning roller 28, realize the rolling on film wind-up roll 14 at last. The processing equipment or the testing equipment processes and tests the film while the film passes over the processing platform 1. Each time the take-up motor 15 is activated, the film is pulled forward a distance to process and test the next area. The unwinding tensioning adjusting piston rod 35 and the winding tensioning adjusting piston rod 36 synchronously extend out simultaneously, the unwinding tensioning adjusting piston rod 35 drives the film unwinding tensioning swing rod 25 to swing clockwise around the film unwinding tensioning swing rod pin shaft 26, and the winding tensioning adjusting piston rod 36 drives the film winding tensioning swing rod 29 to swing counterclockwise around the film winding tensioning swing rod pin shaft 30, so that the tension of the film is improved, otherwise, the unwinding tensioning adjusting piston rod 35 and the winding tensioning adjusting piston rod 36 synchronously retract simultaneously, and the tension of the film is reduced. The utility model discloses can steadily realize receiving of film and unreel, guarantee that the film has good planarization and suitable rate of tension, be favorable to processing and the test of film.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. The utility model provides a unwinding device is received to film, includes processing platform, processing platform landing leg, altitude mixture control seat, landing leg crossbeam, the lower extreme at processing platform is installed to the processing platform landing leg, the lower extreme at the processing platform landing leg is installed to the altitude mixture control seat, the landing leg crossbeam is installed on the processing platform landing leg, its characterized in that: the film unwinding mechanism and the film winding mechanism are respectively arranged on two sides of the processing platform, the film unwinding mechanism comprises a film unwinding frame, a film unwinding roller, an unwinding damper, an unwinding guide roller and an unwinding guide roller supporting frame, the film unwinding roller is rotatably arranged on the film unwinding frame, the unwinding damper is arranged at one end of the film unwinding roller, the unwinding guide roller supporting frame is arranged on a supporting leg of the processing platform, the unwinding guide roller is rotatably arranged on the unwinding guide roller supporting frame, the film winding mechanism comprises a film winding frame, a film winding roller, a winding motor, a first winding transmission sprocket, a second winding transmission sprocket, a winding transmission chain, a winding guide roller and a winding guide roller supporting frame, and the film winding roller is rotatably arranged on the film winding frame, the second winding transmission chain wheel is coaxially arranged on one side of the film winding roller, the winding motor is arranged on the film winding frame, the winding motor is coaxially connected with the first winding transmission chain wheel, the first winding transmission chain wheel is connected with the second winding transmission chain wheel through a winding transmission chain, the winding guide roller supporting frame is arranged on a supporting leg of the processing platform, the winding guide roller is rotatably arranged on the winding guide roller supporting frame, the unwinding guide roller and the winding guide roller are arranged at the same height, the double-swing film tensioning mechanism comprises a film unwinding tensioning assembly, a film winding tensioning assembly and a film tensioning adjusting assembly, the film unwinding tensioning assembly comprises a film unwinding tensioning roller, a film unwinding tensioning swing rod and a film unwinding tensioning swing rod pin shaft, and the middle end of the film unwinding tensioning swing rod is hinged to the unwinding guide roller supporting frame through the film unwinding tensioning swing rod pin shaft, the film unreeling tensioning roller is rotatably arranged at one end of a film unreeling tensioning swing rod, the other end of the film unreeling tensioning swing rod is provided with an unreeling tensioning adjusting U-shaped groove, the film reeling tensioning assembly comprises a film reeling tensioning roller, a film reeling tensioning swing rod and a film reeling tensioning swing rod pin shaft, the middle end of the film reeling tensioning swing rod is hinged to a reeling guide roller supporting frame through the film reeling tensioning swing rod pin shaft, the film reeling tensioning roller is rotatably arranged at one end of the film reeling tensioning swing rod, the other end of the film reeling tensioning swing rod is provided with a reeling tensioning adjusting U-shaped groove, the film tensioning adjusting assembly comprises a film tensioning double-piston adjusting cylinder and a film tensioning adjusting cylinder support, the film tensioning adjusting cylinder support is arranged on a supporting leg beam, and the film tensioning double-piston adjusting cylinder comprises an adjusting cylinder body, An unreeling tensioning adjusting piston rod, a reeling tensioning adjusting piston rod, an unreeling tensioning adjusting lug, a reeling tensioning adjusting lug, an unreeling tensioning adjusting pin shaft and a reeling tensioning adjusting pin shaft, the adjusting cylinder body is arranged on a film tensioning adjusting cylinder support, the unreeling tensioning adjusting piston rod and the reeling tensioning adjusting piston rod are arranged at two ends of the adjusting cylinder body, the unwinding tensioning adjusting lug is arranged on the unwinding tensioning adjusting piston rod, the winding tensioning adjusting lug is arranged on the winding tensioning adjusting lug, the unwinding tensioning adjusting pin shaft is arranged on the unwinding tensioning adjusting lug, the unwinding tensioning adjusting pin shaft is inserted into an unwinding tensioning adjusting U-shaped groove on the film unwinding tensioning swing rod, the winding tensioning adjusting pin shaft is arranged on the winding tensioning adjusting lug, and the winding tensioning adjusting pin shaft is inserted into a winding tensioning adjusting U-shaped groove on the film winding tensioning swing rod.
2. A film take-up and pay-off device as defined in claim 1, wherein: the height adjusting seat comprises a height adjusting frame and a height adjusting frame locking nut, wherein the height adjusting frame is in threaded connection with the supporting leg of the processing rack and is locked through the height adjusting frame locking nut.
3. A film take-up and pay-off device as defined in claim 1, wherein: and the film unwinding tensioning roller and the film winding tensioning roller are rubber rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943122.9U CN212101126U (en) | 2019-11-12 | 2019-11-12 | Film winding and unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943122.9U CN212101126U (en) | 2019-11-12 | 2019-11-12 | Film winding and unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212101126U true CN212101126U (en) | 2020-12-08 |
Family
ID=73621515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943122.9U Active CN212101126U (en) | 2019-11-12 | 2019-11-12 | Film winding and unwinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212101126U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511546A (en) * | 2021-05-24 | 2021-10-19 | 松阳县晨丰纸业有限公司 | Manufacturing process and equipment of green environment-friendly antibacterial tea filter paper |
| CN114291627A (en) * | 2021-12-28 | 2022-04-08 | 河北科能新材料有限公司 | Aluminizer cutting machine |
| CN114671275A (en) * | 2022-04-17 | 2022-06-28 | 安徽抱龙新材料科技有限公司 | Plastic film printing rolling drive arrangement |
-
2019
- 2019-11-12 CN CN201921943122.9U patent/CN212101126U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511546A (en) * | 2021-05-24 | 2021-10-19 | 松阳县晨丰纸业有限公司 | Manufacturing process and equipment of green environment-friendly antibacterial tea filter paper |
| CN114291627A (en) * | 2021-12-28 | 2022-04-08 | 河北科能新材料有限公司 | Aluminizer cutting machine |
| CN114671275A (en) * | 2022-04-17 | 2022-06-28 | 安徽抱龙新材料科技有限公司 | Plastic film printing rolling drive arrangement |
| CN114671275B (en) * | 2022-04-17 | 2023-12-22 | 安徽抱龙新材料科技有限公司 | Plastic film printing rolling driving device |
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