CN115742390B - PVC decorative film production process - Google Patents
PVC decorative film production process Download PDFInfo
- Publication number
- CN115742390B CN115742390B CN202211211391.2A CN202211211391A CN115742390B CN 115742390 B CN115742390 B CN 115742390B CN 202211211391 A CN202211211391 A CN 202211211391A CN 115742390 B CN115742390 B CN 115742390B
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- hollow
- pvc film
- pvc
- fixedly connected
- hollow balls
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000037303 wrinkles Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 25
- 239000004800 polyvinyl chloride Substances 0.000 description 25
- 239000012528 membrane Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The application discloses a production process of a pvc decorative film applied to the field of processing of a pvc film, wherein the production process is characterized in that the pvc film is wound on two rotating conveying rollers for conveying by arranging devices such as an air ball and the like, the edges on two sides of the pvc film penetrate through two transverse stretching devices, the edges on two sides of the pvc film are contacted with a plurality of hollow balls, when a stator tube is electrified, a rotor on the inner side of the stator tube rotates to drive the hollow balls to rotate, the hollow balls rotate to drive a connecting rope to automatically rotate, the hollow balls rotate to drive other hollow balls to rotate together, and after the hollow balls on the upper side and the lower side rotate together, transverse pull ropes can be used for transversely pulling the edges of the pvc film, so that transverse wrinkles on the pvc film are avoided, the printing quality is indirectly improved, meanwhile, the occurrence of wrinkles on the pvc film is avoided by arranging the devices such as a protection disc, the hollow balls and the like are prevented from generating vertical blocking force between the hollow balls and the pvc film, and secondary damage to the pvc film is prevented.
Description
Technical Field
The application relates to the field of pvc film processing, in particular to a production process of a pvc decorative film.
Background
PVC is mainly composed of polyvinyl chloride, is light yellow and semitransparent, has luster, and is printed with different colors or patterns on the surface of a PVC film to form the PVC decorative film.
The pvc decorating film needs to be wound on a plurality of conveying rollers for conveying when printing, and the pvc film is relatively thin and needs to be subjected to certain tensile force on the conveying rollers, so that the pvc film is often transversely wrinkled, the winding effect is affected, and the printing quality is reduced.
If the transverse stretching devices can be arranged on the two sides of the pvc decorative film, the situation that the pvc film is wrinkled can be effectively avoided. Therefore, we propose a pvc decorative film production process.
Disclosure of Invention
The application aims at: the transverse fold is prevented from occurring in the process of transporting the film through the conveying roller, compared with the prior art, the PVC decorative film production process comprises the following steps:
s1, production: the rolling shaft rotates and rolls at high temperature to produce the pvc film through direct stirring of the rolling machine;
s2, printing: conveying the produced pvc film to a position of a printer by using a base, and printing and coloring on the front surface of the pvc film;
s3, forming: applying a back coating layer on the back surface of the pvc film by using a back coating machine, and cutting the pvc film into a required size by using a cutting machine;
the base in S2 includes the conveying roller that two symmetries set up, the equal fixedly connected with of lateral wall of base both sides is horizontal stretching device, horizontal stretching device includes two bottom shafts, two jackshafts and two stator pipes, the lateral wall fixed connection of stator pipe and base, the bottom shaft runs through the rotation with the base lateral wall and is connected, the jackshaft rotates with the lateral wall of base to be connected, the equal fixedly connected with carousel of outer wall of bottom shaft and jackshaft, all rotate between every two corresponding carousels and be connected with the rope, the rope sets up to the multistage, equal fixedly connected with hollow sphere between every two sections rope is connected, the rope runs through the stator pipe, the inside of hollow sphere is provided with the rotor, the both ends of rotor and the inner wall fixed connection of hollow sphere realize carrying out horizontal stay cord to the edge of pvc membrane, the condition that horizontal fold appears in pvc membrane has been avoided, indirectly improved printing quality, the condition that appears the fold when can avoid the rolling simultaneously.
Optionally, the lateral wall of carousel both sides is all fixedly connected with protect the dish, and the diameter of protect the dish is greater than the diameter of carousel, through above-mentioned setting, can play spacing effect to the connecting rope, has avoided connecting rope to break away from the carousel when the rotation.
Optionally, the surface of connecting the rope is scribbled and is had lubricating oil, and the connecting the rope is twined by the stranded wire and is made, and the winding direction of connecting the rope is the same with the rotation direction of rotor, through above-mentioned setting, can make the connecting the rope and can be better rotate on the carousel, makes simultaneously that the connecting the rope can be better rotate under the rotation of rotor.
Optionally, one end fixedly connected with belt pulley of lower shaft, rotate between two belt pulleys and be connected with the belt, the lateral wall fixedly connected with driving machine that the base is close to the belt pulley, the output and one of them lower shaft fixed connection of driving machine, through above-mentioned setting, accessible belt pulley and carousel drive the removal along with the removal of pvc membrane when driving machine starts, just avoided producing vertical frustration power between hollow ball and the pvc membrane, prevent that hollow ball from causing secondary damage to the pvc membrane.
Optionally, three draw-in grooves that symmetry set up have been seted up on the lateral wall of carousel and protection dish, and the distance between two protection dishes is less than the diameter of hollow ball, through above-mentioned setting, and hollow ball can block in the inside of draw-in groove, and the carousel can stir hollow ball when rotatory this moment and drive the rotation of connecting rope through the protection dish, has avoided connecting rope can not take place along with the rotatory condition of removing of carousel.
Optionally, the width of draw-in groove is greater than the width of hollow ball, and the distance between the adjacent draw-in groove equals the distance between the adjacent hollow ball, through above-mentioned setting, makes the inside at the draw-in groove that hollow ball can be better.
Optionally, the distance between every two adjacent hollow balls is smaller than the length of the stator tube, the diameter of each hollow ball is smaller than the inner diameter of the stator tube, and through the arrangement, the hollow balls drive the connecting ropes to rotate alternately all the time in the stator tube, so that the condition that the connecting ropes intermittently rotate is avoided.
Optionally, the hollow sphere is made of a non-magnetic material, the thickness of the hollow sphere is smaller than 0.5mm, and specifically, the hollow sphere can be made of a material with smaller influence on magnetism, so that the hollow sphere is prevented from interfering with rotation between the rotor and the stator tube.
Optionally, the connecting rope and the hollow ball of upside and the connecting rope and the hollow ball of downside set up symmetrically, through above-mentioned setting, make the hollow ball of upside and downside can centre gripping pvc membrane carry out the stretching to it, have improved stretching effect.
Alternatively, the rotation directions of the hollow balls positioned on the upper side and the hollow balls positioned on the lower side are opposite, and specifically, the distance between the hollow balls positioned on the lower side of the upper hollow balls is equal to the thickness of the PVC film.
Compared with the prior art, the application has the advantages that:
(1) According to the production process, through the arrangement of devices such as an air ball and the like, the PVC film is wound on two rotating conveying rollers to be conveyed, the edges on two sides of the PVC film penetrate through the two transverse stretching devices, the edges on two sides of the PVC film are in contact with a plurality of hollow balls, when the stator tube is electrified, the rotor on the inner side of the stator tube rotates to drive the hollow balls to rotate, the hollow balls rotate and then drive the connecting ropes to rotate automatically, the hollow balls rotate and then drive other hollow balls to rotate together, and after the hollow balls on the upper side and the lower side rotate together, the edges of the PVC film can be transversely pulled, so that transverse wrinkles on the PVC film are avoided, the printing quality is indirectly improved, the wrinkles on the rolling process can be avoided, and through the arrangement of the devices such as a protective disc, the vertical blocking force between the hollow balls and the PVC film is avoided, and secondary damage of the hollow balls to the PVC film is prevented.
(2) The side walls on two sides of the turntable are fixedly connected with the protection plates, the diameters of the protection plates are larger than those of the turntable, and through the arrangement, the connection rope can be limited, so that the connection rope is prevented from being separated from the turntable during autorotation.
(3) The lubricating oil is smeared on the surface of the connecting rope, the connecting rope is made by winding a plurality of wires, the winding direction of the connecting rope is the same as the rotating direction of the rotor, through the arrangement, the connecting rope can better rotate on the turntable, and meanwhile, the connecting rope can better rotate under the rotation of the rotor.
(4) One end fixedly connected with belt pulley of lower shaft, rotate between two belt pulleys and be connected with the belt, the lateral wall fixedly connected with driving machine that the base is close to the belt pulley, the output and one of them lower shaft fixed connection of driving machine, through above-mentioned setting, accessible belt pulley and carousel drive the removal of connecting rope along with pvc membrane when the driving machine starts, just avoided producing vertical frustrating force between hollow sphere and the pvc membrane, prevented that the hollow sphere from causing secondary damage to the pvc membrane.
(5) Three symmetrically arranged clamping grooves are formed in the side walls of the rotary table and the protective plates, the distance between the two protective plates is smaller than the diameter of the hollow ball, the hollow ball can be clamped in the clamping grooves through the arrangement, and at the moment, the rotary table can stir the hollow ball through the protective plates to drive the connecting rope to rotate when the rotary table rotates, so that the condition that the connecting rope cannot move along with the rotation of the rotary table is avoided.
(6) The width of draw-in groove is greater than the width of hollow ball, and the distance between the adjacent draw-in groove equals the distance between the adjacent hollow ball, through above-mentioned setting, makes the inside at the draw-in groove that hollow ball can be better card.
(7) The distance between every two adjacent hollow balls is smaller than the length of the stator tube, the diameter of each hollow ball is smaller than the inner diameter of the stator tube, and through the arrangement, the hollow balls are always arranged in the stator tube to alternately drive the connecting ropes to rotate, so that the condition that the connecting ropes intermittently rotate is avoided.
(8) The hollow ball is made of non-magnetic materials, the thickness of the hollow ball is smaller than 0.5mm, and specifically, the hollow ball can be made of materials with small influence on magnetism, so that the hollow ball is prevented from interfering rotation between the rotor and the stator tube.
(9) The connecting ropes and the hollow balls on the upper side are symmetrically arranged with the connecting ropes and the hollow balls on the lower side, and through the arrangement, the hollow balls on the upper side and the lower side can clamp the pvc film to stretch the pvc film, so that the stretching effect is improved.
Drawings
FIG. 1 is an external view of the present application;
FIG. 2 is a cross-sectional view of the present application at the bottom shaft;
FIG. 3 is a schematic view of the structure of the base of the present application after disassembly;
FIG. 4 is a side view of the present application at a base;
FIG. 5 is a state diagram of a pvc film of the present application when stretched;
FIG. 6 is a block diagram of the turntable of the present application;
FIG. 7 is a block diagram of the separation of the turntable and the guard disk of the present application;
FIG. 8 is a cross-sectional view of the stator tube of the present application;
FIG. 9 is a schematic view of the hollow sphere of the present application in section;
fig. 10 is a schematic view showing the rotation of the hollow sphere and the connecting string of the present application.
The reference numerals in the figures illustrate:
1. a base; 101. a conveying roller; 2. a bottom shaft; 201. a turntable; 202. a belt pulley; 203. a protective plate; 204. a top shaft; 3. a driving machine; 4. a connecting rope; 5. a hollow sphere; 6. a stator tube; 7. a rotor; 8. a clamping groove.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present application are included in the protection scope of the present application.
Example 1:
referring to FIGS. 1-6 and 8-10, the application discloses a PVC decorative film production process, which comprises the following steps:
s1, production: the rolling shaft rotates and rolls at high temperature to produce the pvc film through direct stirring of the rolling machine;
s2, printing: using the base 1 to convey the produced pvc film to the position of a printer, and printing and coloring the front surface of the pvc film;
s3, forming: applying a back coating layer on the back surface of the pvc film by using a back coating machine, and cutting the pvc film into a required size by using a cutting machine;
the base 1 in the S2 comprises two symmetrically arranged conveying rollers 101, lateral walls on two sides of the base 1 are fixedly connected with transverse stretching devices, each transverse stretching device comprises two bottom shafts 2, two top shafts 204 and two stator pipes 6, each stator pipe 6 is fixedly connected with the lateral wall of the base 1, the bottom shafts 2 are in penetrating rotation connection with the lateral wall of the base 1, the top shafts 204 are in rotating connection with the lateral wall of the base 1, the outer walls of the bottom shafts 2 and the top shafts 204 are fixedly connected with turntables 201, connecting ropes 4 are respectively and rotatably connected between every two corresponding turntables 201, the connecting ropes 4 are arranged into a plurality of sections, hollow balls 5 are respectively and fixedly connected between every two sections of connecting ropes 4, each connecting rope 4 penetrates through each stator pipe 6, a rotor 7 is arranged in each hollow ball 5, and two ends of each rotor 7 are fixedly connected with the inner wall of each hollow ball 5; the PVC film is wound on two rotating conveying rollers 101 for conveying, and the edges of the two sides of the PVC film penetrate through the two transverse stretching devices, so that the edges of the two sides of the PVC film are contacted with a plurality of hollow balls 5, when the stator tube 6 is electrified, the rotor 7 on the inner side of the stator tube 6 rotates to drive the hollow balls 5 to rotate, the hollow balls 5 rotate and then drive the connecting rope 4 to rotate automatically, the hollow balls 5 rotate and then drive other hollow balls 5 to rotate together, and after the hollow balls 5 on the upper side and the lower side rotate together, the edges of the PVC film can be transversely pulled, transverse wrinkles of the PVC film are avoided, printing quality is indirectly improved, and wrinkles during winding can be avoided.
Referring to fig. 5-10, the rotation directions of the hollow ball 5 at the upper side and the hollow ball 5 at the lower side are opposite, specifically, the distance between the hollow balls 5 at the lower side of the hollow ball 5 at the upper side is equal to the thickness of the PVC film, the side walls at both sides of the turntable 201 are fixedly connected with the protection disc 203, the diameter of the protection disc 203 is larger than that of the turntable 201, through the arrangement, the limit effect on the connecting rope 4 is achieved, the connecting rope 4 is prevented from separating from the turntable 201 when rotating, the surface of the connecting rope 4 is smeared with lubricating oil, the connecting rope 4 is made by winding multiple strands, the winding direction of the connecting rope 4 is the same as the rotation direction of the rotor 7, through the arrangement, the connecting rope 4 can rotate on the turntable 201 better, and meanwhile, the connecting rope 4 can rotate better under the rotation of the rotor 7.
Referring to fig. 1-7, one end of the bottom shaft 2 is fixedly connected with the belt pulley 202, a belt is rotationally connected between the two belt pulleys 202, the base 1 is fixedly connected with the driver 3 near the side wall of the belt pulley 202, the output end of the driver 3 is fixedly connected with one of the bottom shafts 2, the distance between the two protection plates 203 is smaller than the diameter of the hollow ball 5, the hollow ball 5 is not movable, so that secondary damage can be possibly caused to the PVC film when the hollow ball 5 rotates, through the arrangement, the connecting rope 4 can be driven by the belt pulley 202 and the turntable 201 to move along with the movement of the PVC film when the driver 3 is started, the hollow ball 5 and the PVC film are prevented from being secondarily damaged by the vertical resisting force generated between the hollow ball 5 and the PVC film, three clamping grooves 8 which are symmetrically arranged are formed in the side walls of the turntable 201 and the protection plates 203, the distance between the two protection plates 203 is smaller than the diameter of the hollow ball 5, the turntable 201 can not well drive the connecting rope 4 to rotate when the hollow ball 5 rotates, and the hollow ball 5 can be prevented from being connected with the hollow ball 5 by the clamping grooves 8 when the rotating, and the hollow ball 5 can be prevented from being more than the hollow ball 5, and the distance between the adjacent hollow balls 5 can be prevented from being connected with the hollow ball 5 by the clamping grooves 8 when the rotating grooves 201 and the hollow ball 5 rotates along with the hollow ball 5.
Referring to fig. 5 and 8-10, the distance between every two adjacent hollow balls 5 is smaller than the length of the stator tube 6, the diameter of the hollow balls 5 is smaller than the inner diameter of the stator tube 6, through the arrangement, the hollow balls 5 are always arranged in the stator tube 6 to alternately drive the connecting ropes 4 to rotate, the condition that the connecting ropes 4 intermittently rotate is avoided, the hollow balls 5 are made of non-magnetic materials, the thickness of the hollow balls 5 is smaller than 0.5mm, specifically, the hollow balls 5 can be made of materials with smaller influence on magnetism, the hollow balls 5 are prevented from interfering the rotation between the rotor 7 and the stator tube 6, the connecting ropes 4 on the upper side, the connecting ropes 4 on the lower side and the hollow balls 5 are symmetrically arranged, and through the arrangement, the hollow balls 5 on the upper side and the lower side can clamp a pvc film to stretch the hollow balls, so that the stretching effect is improved.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present application.
Claims (4)
1. The production process of the pvc decorative film is characterized by comprising the following steps of:
s1, production: the PVC film is produced by automatic stirring of a roller press, rotation of the roller and high-temperature rolling;
s2, printing: conveying the produced pvc film to the position of a printer by using a base (1), and printing and coloring the front surface of the pvc film;
s3, forming: coating a layer of back coating on the back surface of the pvc film by using a back coating machine, and cutting into a required size by using a cutting machine;
the base (1) in the S2 comprises two symmetrically arranged conveying rollers (101), the side walls on two sides of the base (1) are fixedly connected with transverse stretching devices, each transverse stretching device comprises two bottom shafts (2), two top shafts (204) and two stator pipes (6), each stator pipe (6) is fixedly connected with the side wall of the base (1), the bottom shafts (2) are rotatably connected with the side wall of the base (1) in a penetrating manner, the top shafts (204) are rotatably connected with the side wall of the base (1), the outer walls of the bottom shafts (2) and the top shafts (204) are fixedly connected with turntables (201), each two corresponding turntables (201) are rotatably connected with connecting ropes (4), each connecting rope (4) is provided with a plurality of sections, hollow balls (5) are fixedly connected between each two sections of connecting ropes (4), each connecting rope (4) penetrates through the stator pipe (6), the inner parts of the hollow balls (5) are provided with rotors (7), and two ends of each rotor (7) are fixedly connected with the inner walls of the hollow balls (5).
The side walls on two sides of the turntable (201) are fixedly connected with protection plates (203), and the diameter of the protection plates (203) is larger than that of the turntable (201);
one end of the bottom shaft (2) is fixedly connected with a belt pulley (202), a belt is rotationally connected between the two belt pulleys (202), a driving machine (3) is fixedly connected to the side wall of the base (1) close to the belt pulley (202), and the output end of the driving machine (3) is fixedly connected with one of the bottom shafts (2);
three symmetrically arranged clamping grooves (8) are formed in the side walls of the rotary table (201) and the protective plates (203), and the distance between the two protective plates (203) is smaller than the diameter of the hollow ball (5);
the width of the clamping groove (8) is larger than that of the hollow sphere (5), and the distance between the adjacent clamping grooves (8) is equal to that between the adjacent hollow spheres (5);
the distance between every two adjacent hollow spheres (5) is smaller than the length of the stator tube (6), and the diameter of each hollow sphere (5) is smaller than the inner diameter of the stator tube (6);
the hollow ball (5) positioned on the upper side and the hollow ball (5) positioned on the lower side rotate in opposite directions.
2. The pvc decorative film production process according to claim 1, wherein the surface of the connecting rope (4) is coated with lubricating oil, the connecting rope (4) is made of a multi-strand wire wound, and the winding direction of the connecting rope (4) is the same as the rotation direction of the rotor (7).
3. A pvc decorative film production process according to claim 1, wherein the hollow spheres (5) are made of non-magnetic material, the thickness of the hollow spheres (5) being less than 0.5mm.
4. A pvc decorative film production process according to claim 1, wherein the connecting rope (4) and hollow sphere (5) on the upper side are symmetrically arranged with the connecting rope (4) and hollow sphere (5) on the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211391.2A CN115742390B (en) | 2022-09-30 | 2022-09-30 | PVC decorative film production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211391.2A CN115742390B (en) | 2022-09-30 | 2022-09-30 | PVC decorative film production process |
Publications (2)
| Publication Number | Publication Date |
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| CN115742390A CN115742390A (en) | 2023-03-07 |
| CN115742390B true CN115742390B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211211391.2A Active CN115742390B (en) | 2022-09-30 | 2022-09-30 | PVC decorative film production process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118544572A (en) * | 2024-05-29 | 2024-08-27 | 江苏瑞亿扬材料科技有限公司 | PVC decorative film production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824285A (en) * | 2019-11-20 | 2021-05-21 | 湖南工业大学 | Water-soluble membrane coiling mechanism of broad width based on gear drive |
| CN213325917U (en) * | 2020-08-07 | 2021-06-01 | 浙江海轩科技有限公司 | Winding device for processing anti-static protective film |
| CN113071945A (en) * | 2021-03-30 | 2021-07-06 | 王福江 | Fold processing equipment is prevented in production of antibiotic plastic wrap of PE |
| CN113401691A (en) * | 2021-04-07 | 2021-09-17 | 温州万润机械有限公司 | PLA biodegradable drenches membrane machine |
| CN215100925U (en) * | 2021-06-02 | 2021-12-10 | 无锡市佳赢保护膜有限公司 | High-efficient coiling mechanism of protection film |
-
2022
- 2022-09-30 CN CN202211211391.2A patent/CN115742390B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824285A (en) * | 2019-11-20 | 2021-05-21 | 湖南工业大学 | Water-soluble membrane coiling mechanism of broad width based on gear drive |
| CN213325917U (en) * | 2020-08-07 | 2021-06-01 | 浙江海轩科技有限公司 | Winding device for processing anti-static protective film |
| CN113071945A (en) * | 2021-03-30 | 2021-07-06 | 王福江 | Fold processing equipment is prevented in production of antibiotic plastic wrap of PE |
| CN113401691A (en) * | 2021-04-07 | 2021-09-17 | 温州万润机械有限公司 | PLA biodegradable drenches membrane machine |
| CN215100925U (en) * | 2021-06-02 | 2021-12-10 | 无锡市佳赢保护膜有限公司 | High-efficient coiling mechanism of protection film |
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| CN115742390A (en) | 2023-03-07 |
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