Winding device for plastic film production

By designing adjustable support and limiting components, the problem of existing winding devices being unable to adapt to winding drums of different diameters and lengths has been solved, achieving convenient installation and efficient winding.

CN224298460UActive Publication Date: 2026-05-29ZHEJIANG ZHONGYE PACKAGING TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG ZHONGYE PACKAGING TECH CO LTD
Filing Date
2025-08-11
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing winding devices can only be matched with winding drums of the same diameter, and cannot adapt to winding drums of different diameters and lengths, making operation cumbersome and inefficient.

Method used

By designing adjustable support and limiting components, adaptive adjustment for winding drums of different diameters and lengths can be achieved. This includes using a first bidirectional lead screw to adjust the height of the support frame and a second motor-driven bidirectional lead screw to adjust the position of the limiting plate, thereby fixing and limiting the winding drum.

Benefits of technology

It enables convenient installation and disassembly of winding drums of different diameters and lengths, improving winding efficiency and the applicability and flexibility of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the machinery of plastic film production, concretely relates to the winding device of plastic film production, including the bottom plate, the both sides of bottom plate top respectively fixed connection have first support plate and second support plate, one side of first support plate is provided with first motor, be provided with the roll between first support plate and second support plate, the outside of roll is provided with support subassembly, the side away from the limiting plate of second support plate is provided with limiting subassembly. The utility model discloses through rotating first two -way screw rod and drives the movement of sliding seat, and sliding seat moves and drives the movement of first connecting plate, and then adjusts the height of support frame, makes support frame and the inner wall of winding drum closely fit and completes fixed, to realize the winding drum of matching different diameters, through starting second motor and driving second two -way screw rod rotation, and second two -way screw rod drives movable block movement, and then through second connecting plate and drive limiting plate movement, adjust the distance of limiting plate and first support plate, to adapt to the roll of different length.
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Description

Technical Field

[0001] This utility model relates to machinery used in the production of plastic film, specifically a winding device for the production of plastic film. Background Technology

[0002] Plastic film refers to films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins. They are used for packaging and as a coating layer. After the plastic film is processed and produced, it needs to be wound onto a winding drum, i.e., a paper tube, by a winding device for subsequent transportation and use. Existing winding devices mainly consist of a winding roller and a winding motor. The output shafts of the winding roller and the winding motor are connected, and the winding drum is fitted onto the winding roller. The winding motor drives the winding roller and the winding drum to rotate synchronously to achieve the winding of the plastic film.

[0003] The existing technology has the following technical problems: different plastic films require winding drums of different diameters for winding, but the existing winding devices can only match winding drums of the same diameter. If winding drums of other diameters are required, the rollers need to be replaced, which is cumbersome and time-consuming, and reduces winding efficiency. Different plastic films also require winding drums of different lengths. The existing winding devices cannot adjust the spacing to replace rollers of different lengths, resulting in poor applicability and flexibility. Utility Model Content

[0004] This utility model provides a winding device for plastic film production. Its specific structural design allows it to be adjusted to adapt to winding drums of different diameters and lengths, making it highly applicable and flexible, easy to operate, and conducive to improving work efficiency.

[0005] The technical solution of this utility model is as follows:

[0006] A winding device for plastic film production includes a base plate. A first support plate and a second support plate are fixedly connected to both sides of the top of the base plate, respectively. A motor mounting plate is fixedly connected to one side of the first support plate, and a first motor is fixedly connected to the top of the motor mounting plate. A winding roller is disposed between the first support plate and the second support plate. A support assembly is disposed on the outer side of the winding roller. A limit plate is disposed on the side of the second support plate near the first support plate. A guide post is fixedly connected to the side of the limit plate near the second support plate. The guide post is slidably connected to the second support plate. A limit assembly is disposed on the side of the second support plate away from the limit plate.

[0007] Furthermore, a connecting block is fixedly connected to the output end of the first motor, and a limiting plate is fixedly connected to the side of the roller near the first support plate. A connecting groove is provided on the side of the limiting plate near the first motor and at a position corresponding to the connecting block. The connecting block is slidably connected to the connecting groove.

[0008] Furthermore, the roller has an internal mounting hole, and the support assembly includes a first bidirectional lead screw, which is disposed in the mounting hole and rotatably connected to the roller.

[0009] Furthermore, the support assembly also includes a support frame, a sliding seat, a fixed seat, and a first connecting plate. The sliding seat is threadedly connected to a first bidirectional lead screw, and the fixed seat is fixedly connected to the inner wall of the mounting hole. The sliding seat and the fixed seat are both rotatably connected to the first connecting plate. The other end of the first connecting plate is rotatably connected to the support frame, and the top end of the support frame is arc-shaped.

[0010] Furthermore, the second support plate has a bearing hole inside, and a bearing seat is provided in the bearing hole. The bearing seat is rotatably connected to the roller.

[0011] Furthermore, the limiting component includes a second motor, the top surface of the second support plate is fixedly connected to the second motor, the output end of the second motor is fixedly connected to a second bidirectional lead screw, the outer side of the second bidirectional lead screw is threaded with a movable block, both sides of the movable block are rotatably connected to a second connecting plate, the side of the limiting plate near the second support plate is fixedly connected to a fixed plate, and the other end of the second connecting plate is rotatably connected to the fixed plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) When the device of this utility model is used to wind up plastic film, the winding drum is completely wrapped around the roller laterally, and then the first bidirectional screw is rotated to drive the sliding seat to move. The movement of the sliding seat drives the first connecting plate to move, thereby adjusting the height of the support frame so that the support frame is tightly fitted to the inner wall of the winding drum to complete the fixation, so as to match winding drums of different diameters without replacing the roller. At the same time, it is convenient to install and disassemble the winding drum, which is convenient to operate and saves time, thus improving the winding efficiency.

[0014] (2) When the device of this utility model is winding up plastic film, the second motor is started to drive the second bidirectional lead screw to rotate. The second bidirectional lead screw drives the movable block to move, and then the second connecting plate drives the limiting plate to move. The distance between the limiting plate and the first support plate is adjusted to adapt to rollers of different lengths, thereby improving the applicability and flexibility of the device. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the limiting component of this utility model;

[0018] Figure 3 This is a utility model Figure 2 Enlarged view of point A;

[0019] Figure 4 This is a schematic diagram of the structure of the support component of this utility model;

[0020] Figure 5 This is a cross-sectional view of the support component of this utility model.

[0021] In the diagram: 1. Base plate; 2. First support plate; 201. Motor mounting plate; 3. Second support plate; 4. First motor; 401. Connecting block; 5. Roller; 501. Limiting plate; 502. Connecting groove; 6. First bidirectional lead screw; 7. Support frame; 701. Sliding seat; 702. Fixed seat; 703. First connecting plate; 8. Limiting plate; 801. Guide column; 802. Bearing seat; 803. Fixed plate; 9. Second motor; 10. Second bidirectional lead screw; 11. Movable block; 12. Second connecting plate. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0024] like Figures 1-5 As shown, a winding device for plastic film production includes a base plate 1. A first support plate 2 and a second support plate 3 are fixedly connected to the two sides of the top of the base plate 1, respectively. A motor mounting plate 201 is fixedly connected to one side of the first support plate 2. A first motor 4 is fixedly connected to the top of the motor mounting plate 201. The first motor 4 can drive the winding roller 5 to rotate to complete the winding of the plastic film. The winding roller 5 is arranged between the first support plate 2 and the second support plate 3. Winding cylinders of different diameters can be sleeved on the outside of the winding roller 5 to complete the winding of plastic films of different specifications. A support component is arranged on the outside of the winding roller 5.

[0025] In one embodiment of this utility model, a connecting block 401 is fixedly connected to the output end of the first motor 4, and a limiting disk 501 is fixedly connected to the side of the roller 5 near the first support plate 2. The limiting disk 501 can limit the winding drum sleeved on the outside of the roller 5 to prevent the winding drum from shifting during the winding process and affecting the winding operation. A connecting groove 502 is provided on the side of the limiting disk 501 near the first motor 4 and at the position corresponding to the connecting block 401. The connecting block 401 and the connecting groove 502 are slidably connected. The first motor 4 and the roller 5 are connected by the cooperation of the connecting block 401 and the connecting groove 502, which facilitates the installation and disassembly of the roller 5.

[0026] In one embodiment of this utility model, the roller 5 has an installation hole inside, and the support assembly includes a first bidirectional lead screw 6. The first bidirectional lead screw 6 is disposed in the installation hole and rotatably connected to the roller 5. A sliding seat 701 is threadedly connected to the outer side of the first bidirectional lead screw 6, and a fixed seat 702 is fixedly connected to the inner wall of the installation hole. A first connecting plate 703 is rotatably connected to both sides of the sliding seat 701 and the fixed seat 702. The other end of the first connecting plate 703 is rotatably connected to the support frame 7. The top of the support frame 7 is arc-shaped. The arc-shaped support frame 7 can better fit the inner wall of the take-up drum and support and fix the take-up drum.

[0027] When winding up the plastic film, the winding drum is first completely placed horizontally on the winding roller 5. Then, the first bidirectional lead screw 6 is rotated to move the sliding seat 701. The movement of the sliding seat 701 moves the first connecting plate 703, thereby adjusting the height of the support frame 7 so that the support frame 7 is tightly fitted to the inner wall of the winding drum to complete the fixation, so as to match winding drums of different diameters. After the winding drum is fixed, the winding roller 5 is moved between the first support plate 2 and the second support plate 3, and the connecting block 401 is slid into the connecting groove 502 to connect the winding roller 5 with the first motor 4. The first motor 4 drives the winding roller 5 to rotate, and the winding roller 5 drives the winding drum to rotate, thus completing the winding of the plastic film.

[0028] In one embodiment of this utility model, a guide post 801 is fixedly connected to the side of the limiting plate 8 near the second support plate 3. The guide post 801 is slidably connected to the second support plate 3 and can guide the movement of the limiting plate 8. A limiting component is provided on the side of the second support plate 3 away from the limiting plate 8. A bearing hole is opened inside the second support plate 3, and a bearing seat 802 is provided in the bearing hole. The bearing seat 802 is rotatably connected to the roller 5 and can support and limit the roller 5. The limiting component includes a second motor 9. The second motor 9 is fixedly connected to the top surface of the second support plate 3. The second motor 9 can drive the second bidirectional lead screw 10 to rotate, thereby adjusting the position of the limiting plate 8. The output end of the second motor 9 is fixedly connected to the second bidirectional lead screw 10. A movable block 11 is threadedly connected to the outer side of the second bidirectional lead screw 10. A second connecting plate 12 is rotatably connected to both sides of the movable block 11. A fixed plate 803 is fixedly connected to the side of the limiting plate 8 near the second support plate 3, and the other end of the second connecting plate 12 is rotatably connected to the fixed plate 803.

[0029] When installing the roller 5, first connect the roller 5 to the first motor 4 through the connecting block 401, then start the second motor 9. The second motor 9 drives the second bidirectional lead screw 10 to rotate. The rotation of the second bidirectional lead screw 10 drives the movable block 11 to move. The movement of the movable block 11 pushes the second connecting plate 12. The second connecting plate 12 drives the fixed plate 803 to move, thereby adjusting the distance between the limiting plate 8 and the first support plate 2, so that the bearing seat 802 is connected to the roller 5 to adapt to rollers 5 of different lengths, improving the applicability and flexibility of the device.

[0030] During operation, the take-up drum is first fully fitted horizontally onto the winding roller 5. Then, the first bidirectional lead screw 6 is rotated to move the sliding seat 701. The movement of the sliding seat 701 moves the first connecting plate 703, thereby adjusting the height of the support frame 7 so that it fits tightly against the inner wall of the take-up drum and is fixed in place. This allows for the matching of take-up drums of different diameters. After the take-up drum is fixed, the winding roller 5 is moved between the first support plate 2 and the second support plate 3, and the connecting block 401 is slid into the connecting groove 502, connecting the winding roller 5 to the first motor 4. Then, the second motor 9 is started. The second motor 9 drives the second bidirectional lead screw 10 to rotate. The rotation of the second bidirectional lead screw 10 drives the movable block 11 to move. The movement of the movable block 11 pushes the second connecting plate 12. The second connecting plate 12 drives the fixed plate 803 to move, thereby adjusting the distance between the limiting plate 8 and the first support plate 2, so that the bearing seat 802 is connected to the winding roller 5, thereby completing the limiting of the winding roller 5 and the take-up drum to adapt to winding rollers 5 of different lengths, improving the applicability and flexibility of the device. After the winding roller 5 and the take-up drum are installed, the first motor 4 is started to drive the winding roller 5 and the take-up drum to rotate for winding.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. The present utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A winding device for producing plastic film, characterized in that: The system includes a base plate (1), on which a first support plate (2) and a second support plate (3) are fixedly connected to the top two sides respectively. A motor mounting plate (201) is fixedly connected to one side of the first support plate (2), and a first motor (4) is fixedly connected to the top of the motor mounting plate (201). A roller (5) is provided between the first support plate (2) and the second support plate (3). A support assembly is provided on the outside of the roller (5). A limit plate (8) is provided on the side of the second support plate (3) near the first support plate (2). A guide post (801) is fixedly connected on the side of the limit plate (8) near the second support plate (3). The guide post (801) is slidably connected to the second support plate (3). A limit assembly is provided on the side of the second support plate (3) away from the limit plate (8).

2. The winding device for producing plastic film according to claim 1, characterized in that: The output end of the first motor (4) is fixedly connected to a connecting block (401). The roller (5) is fixedly connected to a limiting plate (501) on the side near the first support plate (2). The limiting plate (501) is provided with a connecting groove (502) on the side near the first motor (4) and at the position corresponding to the connecting block (401). The connecting block (401) and the connecting groove (502) are slidably connected.

3. The winding device for producing plastic film according to claim 1, characterized in that: The roller (5) has an installation hole inside, and the support assembly includes a first bidirectional lead screw (6), which is disposed in the installation hole and rotatably connected to the roller (5).

4. The winding device for producing plastic film according to claim 3, characterized in that: The support assembly further includes a support frame (7), a sliding seat (701), a fixed seat (702), and a first connecting plate (703). The sliding seat (701) is threadedly connected to the first bidirectional lead screw (6). The fixed seat (702) is fixedly connected to the inner wall of the mounting hole. The first connecting plate (703) is rotatably connected to both sides of the sliding seat (701) and the fixed seat (702). The other end of the first connecting plate (703) is rotatably connected to the support frame (7). The top of the support frame (7) is arc-shaped.

5. The winding device for producing plastic film according to claim 1, characterized in that: The second support plate (3) has a bearing hole inside, and a bearing seat (802) is provided in the bearing hole. The bearing seat (802) is rotatably connected to the roller (5).

6. The winding device for producing plastic film according to claim 1, characterized in that: The limiting component includes a second motor (9), the top surface of the second support plate (3) is fixedly connected to the second motor (9), the output end of the second motor (9) is fixedly connected to a second bidirectional lead screw (10), the outer side of the second bidirectional lead screw (10) is threadedly connected to a movable block (11), both sides of the movable block (11) are rotatably connected to a second connecting plate (12), the side of the limiting plate (8) near the second support plate (3) is fixedly connected to a fixing plate (803), and the other end of the second connecting plate (12) is rotatably connected to the fixing plate (803).