CN115742390A - Production process of PVC decorative film - Google Patents
Production process of PVC decorative film Download PDFInfo
- Publication number
- CN115742390A CN115742390A CN202211211391.2A CN202211211391A CN115742390A CN 115742390 A CN115742390 A CN 115742390A CN 202211211391 A CN202211211391 A CN 202211211391A CN 115742390 A CN115742390 A CN 115742390A
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- China
- Prior art keywords
- pvc
- clean shot
- fixedly connected
- decorative film
- rope
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000007639 printing Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000000034 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
- 238000005034 decoration Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 31
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 15
- 239000004800 polyvinyl chloride Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- 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 be applied to pvc membrane processing field's a pvc decorative film production technology, this production technology passes through the setting of devices such as air ball, the pvc membrane winding is carried on two pivoted conveying rollers, the edge of pvc membrane both sides all runs through two transverse stretching device simultaneously, and make the edge and the contact of a plurality of hollow balls of pvc membrane both sides, when circular telegram to the stator tube, the inboard rotor of stator tube is rotatory to drive the clean shot and is taken place to rotate, the clean shot rotates the back and drives the connecting rope and take place from the spin, it is also rotatory together to drive other clean shots after the clean shot is rotatory, and after the clean shot of upper and lower both sides is rotatory together, alright carry out horizontal stay cord to the edge of pvc membrane, the condition of horizontal fold has appeared in the pvc membrane has been avoided, the indirect improvement the printing quality, the condition of fold appears in the rolling simultaneously, through the setting of devices such as shield, the clean shot is avoided producing vertical clean shot power of hindering between clean shot and the pvc membrane, prevent to cause secondary damage to the pvc membrane.
Description
Technical Field
The application relates to the field of processing of pvc films, in particular to a process for producing a pvc decorative film.
Background
The PVC mainly contains polyvinyl chloride, is yellowish, semitransparent and glossy, and is used as a PVC decorative film by printing different colors or patterns on the surface of the PVC film.
The pvc decorating film needs to be wound on a plurality of transport rollers for conveying when being printed, the pvc film is relatively thin, certain pulling force needs to be received on the transport rollers, and therefore the pvc film can often have transverse wrinkles, the winding effect can be influenced, and the printing quality is reduced.
If can set up horizontal stretching device in the both sides of pvc decorating film, can effectively avoid the condition that the fold appears in the pvc membrane. Therefore, we propose a process for producing a pvc decorative film.
Disclosure of Invention
The purpose of this application is: prevent that the film from appearing horizontal fold through the in-process of conveying roller transportation, compare prior art and provide a pvc decorating film production technology, include the following step:
s1, production: the PVC film is produced by the direct-acting stirring of a roller press, the rotation of a roller and high-temperature rolling;
s2, printing: conveying the produced PVC film to a position of a printing machine by using a base, and printing and coloring the front surface of the PVC film;
s3, forming: attaching a layer of back coating on the back surface of the PVC film by using a back coating machine, and cutting the PVC film into required sizes by using a cutting machine;
the base in S2 includes the conveying roller that two symmetries set up, the equal fixedly connected with transverse stretching device of lateral wall of base both sides, transverse stretching device includes two bottom shafts, two apical spindles and two stator pipes, the lateral wall fixed connection of stator pipe and base, the bottom shaft runs through with the base lateral wall and rotates to be connected, the apical spindle rotates with the lateral wall of base to be connected, the equal fixedly connected with carousel of outer wall of bottom shaft and apical spindle, it is connected with the connection rope all to rotate between per two corresponding carousels, the connection rope sets up to the multistage, equal fixedly connected with clean shot between per two sections connection ropes, the connection rope runs through the stator pipe, the inside of clean shot is provided with the rotor, the both ends of rotor and the inner wall fixed connection of clean shot, realize carrying out horizontal stay cord to the edge of pvc membrane, the condition of horizontal fold has been avoided the pvc membrane to appear, the indirect improvement printing quality, the condition of fold appears when can avoiding simultaneously.
Optionally, the equal fixedly connected with protective disc of lateral wall of carousel both sides, the diameter of protective disc is greater than the diameter of carousel, through the aforesaid setting, can play spacing effect to connecting the rope, has avoided connecting the rope and has broken away from the carousel when the rotation.
Optionally, the surface of connecting the rope is paintd lubricating oil, connects the rope and is made by the strand winding, and the direction of winding of connecting the rope is the same with the direction of rotation of rotor, through the aforesaid setting, can make the rotation on the carousel that connects that the rope can be better, makes simultaneously connect the rope can be better under the rotation of rotor and the rotation.
Optionally, the one end fixedly connected with belt pulley of bottom shaft, it is connected with the belt to rotate between two belt pulleys, the base is close to the lateral wall fixedly connected with driving machine of belt pulley, the output and one of them bottom shaft fixed connection of driving machine, through the aforesaid setting, accessible belt pulley and carousel drive when driving machine starts are connected the rope and are removed along with the removal of pvc membrane, just avoided producing vertical hindering between clean shot and the pvc membrane and have done all can, prevent that the clean shot from causing secondary damage to the pvc membrane.
Optionally, the draw-in groove that sets up of three symmetry has been seted up on the lateral wall of carousel and protective disc, and the distance between two protective discs is less than the diameter of clean shot, and through the aforesaid setting, the clean shot can block in the inside of draw-in groove, and the carousel can stir the clean shot through the protective disc this moment and drive the connection rope rotation when rotatory, has avoided connecting the condition emergence that the rope can not remove along with the rotation of carousel.
Optionally, the width of draw-in groove is greater than the width of clean shot, and the distance between the adjacent draw-in groove equals the distance between the adjacent clean shot, through the aforesaid setting, the card that makes the clean shot can be better is in the inside of draw-in groove.
Optionally, the distance between every two adjacent hollow spheres is smaller than the length of the stator pipe, and the diameter of each hollow sphere is smaller than the inner diameter of the stator pipe.
Optionally, the hollow ball is made of a non-magnetic material, the thickness of the hollow ball is smaller than 0.5mm, specifically, the hollow ball can be made of a material with small influence on magnetism, and the hollow ball is prevented from interfering rotation between the rotor and the stator tube.
Optionally, the connection rope and the clean shot of upside and the rope and the clean shot symmetry setting of being connected of downside, through the aforesaid setting, but make the clean shot centre gripping pvc membrane of downside stretch it, have improved tensile effect.
Optionally, the hollow ball that is located the upside and the hollow ball that is located the downside rotate in the opposite direction, and specifically, the distance between the hollow ball of upside downside equals the thickness of PVC film.
Compare in prior art, the advantage of this application lies in:
(1) This production technology passes through the setting of devices such as air ball, the winding of pvc membrane is carried on two pivoted conveying rollers, two horizontal stretching device are all run through to the edge of pvc membrane both sides simultaneously, and make the edge of pvc membrane both sides and a plurality of hollow ball contact, when circular telegram to the stator tube, the rotatory clean shot that drives of rotor of stator tube inboard takes place to rotate, the clean shot drives the connecting rope after rotating and takes place autogyration, it is also rotatory together to drive other clean shots after the clean shot is rotatory, and after the clean shot of upper and lower both sides was rotatory together, alright carry out horizontal stay cord to the edge of pvc membrane, the condition of horizontal fold has been avoided appearing to the pvc membrane, indirect improvement the printing quality, the condition of fold appears in the time of can avoiding simultaneously, through the setting of devices such as shield, the vertical resistance to flex has been avoided producing between clean shot and the pvc membrane, prevent that the clean shot from causing secondary damage to the pvc membrane.
(2) The equal fixedly connected with of lateral wall of carousel both sides protection plate, the diameter of protection plate is greater than the diameter of carousel, through the aforesaid setting, can play spacing effect to connecting the rope, has avoided connecting the rope and has broken away from the carousel when the rotation.
(3) Connect the surface of rope and scribbled lubricating oil, connect the rope and make by the strand winding, the winding direction of connecting the rope is the same with the direction of rotation of rotor, through the aforesaid setting, can make the rotation on the carousel that connects that the rope can be better, make simultaneously connect the rotation that the rope can be better under the rotation of rotor and the rotation.
(4) The one end fixedly connected with belt pulley of bottom shaft rotates between two belt pulleys and is connected with the belt, and the base is close to the lateral wall fixedly connected with driving machine of belt pulley, the output and one of them bottom shaft fixed connection of driving machine, and through the aforesaid setting, accessible belt pulley and carousel drive when driving machine starts are connected the rope and are removed along with the removal of pvc membrane, have just avoided producing vertical interference between clean shot and the pvc membrane, prevent that the clean shot from causing secondary damage to the pvc membrane.
(5) Offer the draw-in groove that three symmetry set up on the lateral wall of carousel and protective disc, distance between two protective discs is less than the diameter of clean shot, and through the aforesaid setting, the clean shot can block in the inside of draw-in groove, and the carousel can stir the clean shot through the protective disc this moment and drive the connection rope rotation when rotatory, has avoided connecting the condition emergence that the rope can not remove along with the rotation of carousel.
(6) The width of draw-in groove is greater than the width of clean shot, and distance between the adjacent draw-in groove equals the distance between the adjacent clean shot, through the aforesaid setting, card that messenger's clean shot can be better is in the inside of draw-in groove.
(7) The distance between every two adjacent hollow spheres is less than the length of the stator tube, the diameter of each hollow sphere is less than the inner diameter of the stator tube, and through the arrangement, the hollow spheres in the stator tube are always driven to rotate alternately to connect the rope, so that the condition that the connection rope intermittently rotates is avoided.
(8) The hollow ball is made of non-magnetic materials, the thickness of the hollow ball is smaller than 0.5mm, specifically, the hollow ball can be made of materials with small magnetic influence, and the hollow ball is prevented from interfering rotation between the rotor and the stator tube.
(9) The connection rope and the clean shot of upside and the rope and the clean shot symmetry setting of being connected of downside, through the aforesaid setting, but make the clean shot centre gripping pvc membrane of downside stretch it, improved tensile effect.
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 axis;
FIG. 3 is a schematic structural view of the present application after the base is disassembled;
FIG. 4 is a side view of the present application at the base;
FIG. 5 is a view of the present invention in a state where a pvc film is stretched;
FIG. 6 is a block diagram of the present application at the turntable;
FIG. 7 is a view showing the separation of the turntable and the protective disc according to the present application;
FIG. 8 is a cross-sectional view of a stator tube according to the present application;
FIG. 9 is a schematic sectioned view of a hollow sphere according to the present application;
FIG. 10 is a schematic view of the hollow sphere and connecting string of the present application.
The reference numbers in the figures illustrate:
1. a base; 101. a conveying roller; 2. a bottom shaft; 201. a turntable; 202. a pulley; 203. protecting the disc; 204. a top shaft; 3. a driver; 4. connecting ropes; 5. hollow spheres; 6. a stator tube; 7. a rotor; 8. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments in the present application belong to the protection scope of the present application.
Example 1:
referring to fig. 1-6 and 8-10, the present application discloses a pvc decorative film production process, comprising the steps of:
s1, production: the PVC film is produced by the direct-acting stirring of a roller press, the rotation of a roller and high-temperature rolling;
s2, printing: conveying the produced pvc film to the position of a printing machine by using the base 1, and printing and coloring the front surface of the pvc film;
s3, forming: attaching a layer of back coating on the back surface of the PVC film by using a back coating machine, and cutting the PVC film into required sizes 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 a transverse stretching device, the transverse stretching device comprises two bottom shafts 2, two top shafts 204 and two stator tubes 6, the stator tubes 6 are fixedly connected with the lateral walls of the base 1, the bottom shafts 2 are connected with the lateral walls of the base 1 in a penetrating and rotating mode, the top shafts 204 are connected with the lateral walls of the base 1 in a rotating mode, rotary discs 201 are fixedly connected to the outer walls of the bottom shafts 2 and the outer walls of the top shafts 204, connecting ropes 4 are rotatably connected between every two corresponding rotary discs 201, the connecting ropes 4 are arranged into multiple sections, hollow balls 5 are fixedly connected between every two sections of connecting ropes 4, the connecting ropes 4 penetrate through the stator tubes 6, rotors 7 are arranged inside the hollow balls 5, and two ends of the rotors 7 are fixedly connected with the inner walls of the hollow balls 5; the pvc membrane twines and carries on two pivoted conveying rollers 101, two transverse stretching device are all run through to the edge of pvc membrane both sides simultaneously, and make the edge of pvc membrane both sides and the contact of a plurality of clean shot 5, when circular telegram to stator tube 6, the inboard rotor 7 of stator tube 6 rotates and drives clean shot 5 and take place to rotate, clean shot 5 drives after rotating and connects rope 4 and take place autogyration, clean shot 5 drives other clean shot 5 after rotatory and also rotates together, and after clean shot 5 of upper and lower both sides rotated together, alright carry out horizontal stay cord to the edge of pvc membrane, the circumstances of the horizontal fold of pvc membrane appearance has been avoided, the indirect printing quality that has improved, the condition of fold appears in the time of can avoiding simultaneously rolling.
Please refer to fig. 5-10, the hollow spheres 5 on the upper side and the hollow spheres 5 on the lower side have opposite rotation directions, specifically, the distance between the hollow spheres 5 on the lower side of the upper hollow spheres 5 is equal to the thickness of the PVC film, the side walls on both sides of the turntable 201 are fixedly connected with the protection discs 203, the diameter of the protection discs 203 is larger than that of the turntable 201, through the above arrangement, the connection rope 4 can be limited, the connection rope 4 is prevented from being separated from the turntable 201 during rotation, the surface of the connection rope 4 is coated with lubricating oil, the connection rope 4 is made by winding a plurality of strands, the winding direction of the connection rope 4 is the same as the rotation direction of the rotor 7, through the above arrangement, the connection rope 4 can better rotate on the turntable 201, and simultaneously the connection rope 4 can better rotate under the rotation of the rotor 7.
Referring to fig. 1-7, one end of the bottom shaft 2 is fixedly connected with a belt pulley 202, a belt is rotatably connected between the two belt pulleys 202, a driving machine 3 is fixedly connected to a side wall of the base 1 close to the belt pulley 202, an output end of the driving machine 3 is fixedly connected with one of the bottom shafts 2, the pvc film is always movable, and the hollow sphere 5 is immobile, so that the hollow sphere 5 may cause secondary damage to the pvc film when rotating, and by the above arrangement, the driving machine 3 can drive the connecting rope 4 to move along with the movement of the pvc film through the belt pulley 202 and the turntable 201 when starting, thereby avoiding a vertical interference force between the hollow sphere 5 and the pvc film, preventing the hollow sphere 5 from causing secondary damage to the pvc film, three symmetrically arranged clamping grooves 8 are provided on side walls of the turntable 201 and the protection disc 203, the distance between the two protection discs 203 is smaller than the diameter of the hollow sphere 5, since the surface of the connecting rope 4 is coated with a coating, the connecting rope 201 cannot well drive the connecting rope 4 to rotate when the turntable 201 is lubricated, and the connecting rope can be clamped inside of the turntable 201, and the connecting rope can be better than the connecting rope 5 when the turntable 201 is stirred, the connecting rope can be larger than the width of the connecting rope 5, and the connecting rope 5 can be larger than the width of the connecting rope 5, thereby avoiding the hollow sphere 5.
Referring to fig. 5 and 8-10, the distance between every two adjacent hollow spheres 5 is smaller than the length of the stator tube 6, the diameter of each hollow sphere 5 is smaller than the inner diameter of the stator tube 6, through the arrangement, the hollow spheres 5 are always arranged in the stator tube 6 to alternately drive the connecting ropes 4 to rotate, the intermittent rotation of the connecting ropes 4 is avoided, the hollow spheres 5 are made of non-magnetic materials, the thickness of each hollow sphere 5 is smaller than 0.5mm, specifically, the hollow spheres 5 can be arranged to be materials with small magnetic influence, the hollow spheres 5 are prevented from interfering the rotation between the rotor 7 and the stator tube 6, the connecting ropes 4 and the hollow spheres 5 on the upper side and the connecting ropes 4 and the hollow spheres 5 on the lower side are symmetrically arranged, through the arrangement, the hollow spheres 5 on the upper side and the lower side can clamp pvc films to stretch the hollow spheres 5, and the stretching effect is improved.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions or changes according to the technical solutions and modifications of the present application should be covered by the scope of the present application.
Claims (10)
1. A process for producing a pvc decorative film, which is characterized by comprising the following steps:
s1, production: the PVC film is produced by the direct-acting stirring of a roller press, the rotation of a roller and high-temperature rolling;
s2, printing: conveying the produced pvc film to the position of a printing machine by using a base (1), and printing and coloring the front surface of the pvc film;
s3, forming: attaching a layer of back coating 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;
base (1) in S2 includes conveying roller (101) that two symmetries set up, the equal fixedly connected with lateral wall transverse stretching device of base (1) both sides, transverse stretching device include two bottom shafts (2), two apical axis (204) and two stator pipe (6), the equal fixedly connected with carousel (201) of lateral wall of stator pipe (6) and base (1), bottom shaft (2) run through to rotate with base (1) lateral wall to be connected, apical axis (204) rotate with the lateral wall of base (1) to be connected, the equal fixedly connected with carousel (201) of outer wall of bottom shaft (2) and apical axis (204), per two correspond all rotate between carousel (201) and be connected with connection rope (4), connection rope (4) set up to the multistage, per two sections equal fixedly connected with clean shot (5) between connection rope (4), connection rope (4) run through stator pipe (6), the inside of clean shot (5) is provided with rotor (7), the both ends of rotor (7) and the inner wall fixed connection of clean shot (5).
2. The pvc decorative film production process according to claim 1, wherein the side walls of both sides of the turntable (201) are fixedly connected with the protection disc (203), and the diameter of the protection disc (203) is larger than that of the turntable (201).
3. A pvc decoration 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 by winding a plurality of strands, the winding direction of the connecting rope (4) is the same as the rotation direction of the rotor (7).
4. The pvc decorative film production process according to claim 2, wherein one end of the bottom shaft (2) is fixedly connected with a belt pulley (202), a belt is rotatably connected between the two belt pulleys (202), the side wall of the base (1) close to the belt pulley (202) is fixedly connected with a driving machine (3), and the output end of the driving machine (3) is fixedly connected with one of the bottom shafts (2).
5. The pvc decorative film production process according to claim 4, wherein three symmetrically arranged clamping grooves (8) are formed in the side walls of the rotating disc (201) and the protective disc (203), and the distance between the two protective discs (203) is smaller than the diameter of the hollow ball (5).
6. A pvc decorative film production process according to claim 5, wherein the width of the clamping groove (8) is larger than the width of the hollow sphere (5), and the distance between adjacent clamping grooves (8) is equal to the distance between adjacent hollow spheres (5).
7. A pvc decorative film production process according to claim 1, wherein the distance between every two adjacent hollow spheres (5) is less than the length of the stator tube (6), and the diameter of the hollow spheres (5) is less than the inner diameter of the stator tube (6).
8. The pvc decorative film production process according to claim 1, wherein the hollow spheres (5) are made of a non-magnetic material, and the thickness of the hollow spheres (5) is less than 0.5mm.
9. The pvc decorative film production process according to claim 1, wherein the connecting string (4) and the hollow sphere (5) on the upper side are symmetrically arranged with the connecting string (4) and the hollow sphere (5) on the lower side.
10. Process for producing a pvc decorative film according to claim 1, characterized in that the hollow spheres (5) located on the upper side and the hollow spheres (5) located on the lower side are rotated in opposite directions.
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 |
|---|---|
| CN115742390A true CN115742390A (en) | 2023-03-07 |
| CN115742390B CN115742390B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211211391.2A Active CN115742390B (en) | 2022-09-30 | 2022-09-30 | PVC decorative film production process |
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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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| CN115742390B (en) | 2023-12-05 |
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