Winding device of PET film with anti-wrinkle function

By synchronously rotating the motor-driven active roll and auxiliary pressure roll, combined with the squeezing and cleaning functions of the top and bottom pressure plates, the problems of wrinkles and dust in PET film during winding are solved, and the optical and mechanical properties of PET film are improved.

CN223950381UActive Publication Date: 2026-02-27JIANGSU LEAGUE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520556569.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-27
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Improper tension control during PET film production or winding can lead to wrinkles, affecting optical performance and transparency. At the same time, dust contamination can cause uneven light scattering and reflection, reducing gloss.

Method used

The active roller and auxiliary pressure roller are driven by a motor to rotate synchronously. The top and bottom pressure plates squeeze and clean the PET film to remove wrinkles and dust. The flatness and cleaning are achieved by meshing transmission connection and cylinder driving the pressure plate movement.

Benefits of technology

It significantly improves the optical and mechanical properties of PET film, reduces the risk of breakage and deformation, enhances appearance quality, and ensures a smooth and clean film surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PET (polyethylene terephthalate) film winding device with an anti-wrinkle function, which comprises a machine body, a motor is mounted on one side of the outer wall of the machine body, a driving reel is mounted at the output end of the motor through a coupler, one side of the driving reel is connected with a driving gear through a coupler, and the other side of the driving reel is connected with a driven gear through a coupler. And a driven gear is movably installed at the top of the driving gear through a rotating shaft, an auxiliary pressing shaft is connected to the inner wall of the driven gear through a coupler, and a PET film is installed on the outer wall of the driving reel in a winding mode. The PET film winding device with the anti-wrinkle function has the advantages that the driving reel and the auxiliary pressing shaft are driven by the motor to rotate synchronously in the opposite directions, so that a PET film can be extruded by the driving reel and the auxiliary pressing shaft when wound by the driving reel, the surface of the PET film is more flat and smoother, and the anti-wrinkle function is achieved. The appearance quality of the PET film can be remarkably improved, and meanwhile the optical performance of the PET film can be remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PET film technical field, concretely is a kind of winding device of PET film with anti-wrinkle function. BACKGROUND

[0002] In the utility model patent application with the application publication number CN214606431U, including first film supply device and second film supply device;First cooling roller and pressing roller are oppositely arranged at the outlet of first film supply device;The diameter of first cooling roller is greater than the diameter of pressing roller;Winding device further includes second cooling roller and supporting roller;First cooling roller, second cooling roller and supporting roller are wrapped with a circle of conveying belt;Pressing roller gives conveying belt inclined downward pressure between first cooling roller and second cooling roller;First guide roller is arranged between second film supply device and first cooling roller;A plurality of second guide rollers are arranged on the side of second cooling roller.

[0003] The advantages are: through the mutual cooperation structure between cooling roller, extruding roller and conveying belt, the first film and the second film are far away from each other before extrusion, avoid the phenomenon that the film temperature is still high due to the extrusion of extruder, and the mutual penetration between films, and after starting extrusion, the use of conveying belt can make the two films extrude while cooling, compared with the close linear extrusion surface between cooling roller and extruding roller, the cooling and extrusion distance is improved, that is, the pressing strength of film is improved.

[0004] In the prior art including the above-mentioned patent, if the tension control is improper during the production or winding of PET film, the tightness of the film will be inconsistent, resulting in wrinkles during winding, and the outside of the PET film will contact dust in the air during winding. Wrinkles can cause light scattering or uneven reflection, affecting the optical properties of PET film, such as transparency, glossiness, etc., while dust can interfere with the transmission and reflection of light, reducing the transparency and glossiness of PET film. UTILITARY MODEL CONTENT

[0005] The utility model aims at providing a winding device for PET film with anti-wrinkle function to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of winding device of PET film with anti-crease function, including machine body, the outer wall of the machine body is installed with motor on one side, the output end of the motor is installed with driving reel by shaft coupling, the one side of the driving reel is connected with driving gear by shaft coupling, the top of the driving gear is movably installed with driven gear by pivot, the inner wall of the driven gear is connected with auxiliary compression shaft by shaft coupling, the outer wall of the driving reel is wound and installed with PET film, the outer wall of the machine body is installed with cylinder, the output end of the cylinder is connected with connecting rod, one end of the connecting rod is installed with sliding block, the outer wall of the sliding block is installed with linkage rod on one side.

[0007] Further, the other end of the connecting rod is connected with top pressing plate, and the bottom of the top pressing plate is provided with bottom pressing plate.

[0008] Further, one end of the PET film is provided with driven reel, and one side of the machine body is provided with sliding groove.

[0009] Further, the gear slot of the driving gear is engaged with the gear slot of the driven gear, and the driving gear and the driven gear are engaged and connected in transmission.

[0010] Further, a cavity is arranged between the top pressing plate and the bottom pressing plate, and the cavity between the top pressing plate and the bottom pressing plate is matched with the diameter of the PET film.

[0011] Further, the sliding block is movably installed on the outer wall of the sliding groove, and the sliding block is matched with the sliding groove.

[0012] Compared with the prior art, the winding device of PET film with anti-crease function has the following advantages:

[0013] (1) The utility model drives the driving reel and the auxiliary compression shaft to rotate synchronously in opposite directions by the motor, so that the PET film can be extruded by the driving reel and the auxiliary compression shaft when it is being wound by the driving reel. This can flatten the wrinkles of the PET film and make its surface more smooth and flat, which can significantly improve the appearance quality of the PET film and its optical performance, and can also improve its mechanical properties such as tensile strength and toughness, reduce stress concentration caused by wrinkles, and reduce the risk of rupture or deformation during subsequent processing or use.

[0014] (2) The utility model discloses a cylinder drives top compression plate and bottom compression plate to carry out reciprocating motion, utilize the cavity of top compression plate and bottom compression plate to clean the dust on the outer wall of PET film due to the transportation and adhere, can make the appearance quality of PET film be significantly improved when being reeled by the active reel subsequently, the appearance quality of PET film can be significantly improved after the dust is removed, and the appearance quality of PET film can be significantly improved, and the scratch, stain or uneven phenomenon caused by dust is reduced, and the PET film can be more flat after being reeled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the driven reel of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the connecting rod of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the driving gear of the utility model;

[0019] Figure 5 It is the utility model Figure 3 The A place local amplification structure schematic diagram of marking.

[0020] In the drawing: 1, machine body;2, motor;3, active reel;4, driving gear;5, driven gear;6, auxiliary compression shaft;7, PET film;8, cylinder;9, connecting rod;10, sliding block;11, linkage rod;12, top compression plate;13, bottom compression plate;14, driven reel;15, sliding slot. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The technical scheme provided by the utility model is:

[0023] Embodiment 1:

[0024] In the embodiment, a winding device of PET film with anti-wrinkle function comprises a machine body 1, a motor 2 is installed on one side of the outer wall of the machine body 1, a driving winding shaft 3 is installed on the output end of the motor 2 through a shaft coupling, a driving gear 4 is connected to one side of the driving winding shaft 3 through a shaft coupling, a driven gear 5 is movably installed on the top of the driving gear 4 through a rotating shaft, an auxiliary pressing shaft 6 is connected to the inner wall of the driven gear 5 through a shaft coupling, a PET film 7 is wound on the outer wall of the driving winding shaft 3, an air cylinder 8 is installed on the outer wall of the machine body 1, a connecting rod 9 is connected to the output end of the air cylinder 8, a sliding block 10 is installed on one end of the connecting rod 9, and a linkage rod 11 is installed on one side of the outer wall of the sliding block 10.

[0025] In the embodiment, the other end of the connecting rod 9 is connected to a top pressing plate 12, and the bottom of the top pressing plate 12 is provided with a bottom pressing plate 13.

[0026] In the embodiment, one end of the PET film 7 is provided with a driven winding shaft 14, and one side of the machine body 1 is provided with a sliding groove 15.

[0027] In the embodiment, the tooth groove of the driving gear 4 is engaged with the tooth groove of the driven gear 5, the driving gear 4 and the driven gear 5 are in meshing transmission connection, and the driving gear 4 drives the driven gear 5 to rotate when rotating.

[0028] In the embodiment, a cavity is arranged between the top pressing plate 12 and the bottom pressing plate 13, the cavity between the top pressing plate 12 and the bottom pressing plate 13 is matched with the diameter of the PET film 7, and the cavity arranged between the top pressing plate 12 and the bottom pressing plate 13 cleans the outer wall of the PET film 7 to remove dust on the outer wall of the PET film 7.

[0029] In the embodiment, the sliding block 10 is movably installed on the outer wall of the sliding groove 15, the sliding block 10 is matched with the sliding groove 15, and the connecting rod 9 drives the sliding block 10 to slide on the outer wall of the sliding groove 15 after being driven by the air cylinder 8, and the connecting rod 9 moves synchronously with the sliding block 10.

[0030] Working principle: in use, first, the user needs to wind the PET film 7 on the outer wall of the driving winding shaft 3 and the driven winding shaft 14, then the user starts the motor 2, the motor 2 drives the driving winding shaft 3 to rotate after starting, the driving winding shaft 3 drives the driving gear 4 to rotate when rotating, the driving gear 4 drives the driven gear 5 to rotate when rotating, the driven gear 5 drives the auxiliary pressing shaft 6 to rotate when rotating, and the PET film 7 moves to one side while the driving winding shaft 3 rotates, and is wound by the driving winding shaft 3.

[0031] Secondly, the user needs to start the cylinder 8 after starting the motor 2, and the output end of the cylinder 8 will reciprocate after starting, at this time the output end of the cylinder 8 will drive the connecting rod 9, the connecting rod 9 will make the sliding block 10 slide on the outer wall of the sliding groove 15 after being driven by the cylinder 8, and the connecting rod 9 will move synchronously with the sliding block 10, and the top pressing plate 12 and the bottom pressing plate 13 arranged at the other end of the connecting rod 9 will also reciprocate synchronously when the connecting rod 9 moves, so that the cavity arranged between the top pressing plate 12 and the bottom pressing plate 13 can clean the outer wall of the PET film 7, and the dust on the outer wall of the PET film 7 is removed.

[0032] Finally, after the dust on the PET film 7 is removed, the PET film 7 is moved to the driving spool 3, and the outer wall of the PET film 7 can be pressed tightly when the driving spool 3 and the auxiliary pressing shaft 6 rotate, so that the rotation force of the driving spool 3 and the auxiliary pressing shaft 6 forms a pressing force, thereby preventing the outer wall of the PET film 7 from forming wrinkles, and then being wound by the driving spool 3.

[0033] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A PET film winding device with anti-wrinkle function, comprising a body (1), characterized in that: A motor (2) is installed on one side of the outer wall of the machine body (1). The output end of the motor (2) is connected to a drive shaft (3) via a coupling. A drive gear (4) is connected to one side of the drive shaft (3) via a coupling. A driven gear (5) is movably installed on the top of the drive gear (4) via a rotating shaft. An auxiliary pressure shaft (6) is connected to the inner wall of the driven gear (5) via a coupling. A PET film (7) is wound around the outer wall of the drive shaft (3). A cylinder (8) is installed on the outer wall of the machine body (1). A connecting rod (9) is connected to the output end of the cylinder (8). A slider (10) is installed at one end of the connecting rod (9). A linkage rod (11) is installed on one side of the outer wall of the slider (10).

2. The PET film winding device with anti-wrinkle function according to claim 1, characterized in that: The other end of the connecting rod (9) is connected to a top pressure plate (12), and a bottom pressure plate (13) is provided at the bottom of the top pressure plate (12).

3. The PET film winding device with anti-wrinkle function according to claim 1, characterized in that: One end of the PET film (7) is provided with a driven roller (14), and one side of the machine body (1) is provided with a chute (15).

4. A PET film winding device with anti-wrinkle function according to claim 1, characterized in that: The tooth groove of the driving gear (4) meshes with the tooth groove of the driven gear (5), and the driving gear (4) and the driven gear (5) form a meshing transmission connection.

5. A PET film winding device with anti-wrinkle function according to claim 2, characterized in that: A cavity is provided between the top pressure plate (12) and the bottom pressure plate (13), and the cavity between the top pressure plate (12) and the bottom pressure plate (13) is adapted to the diameter of the PET film (7).

6. A PET film winding device with anti-wrinkle function according to claim 1, characterized in that: The slider (10) is movably installed on the outer wall of the slide groove (15), and the slider (10) is adapted to the slide groove (15).