Winding device capable of guiding protective film for vehicle
By guiding the protective film through guide grooves and adjustment mechanisms, the difficulties in adjustment and offset problems of existing devices when winding protective films of different widths are solved, and efficient and neat winding effect is achieved.
Patent Information
- Application Number
- CN202520420391.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing winding devices require manual adjustment of the limiting structure when handling protective films of different widths. This is time-consuming, labor-intensive, and can easily lead to protective film misalignment and uneven winding, affecting quality.
The system employs guide grooves and adjustment mechanisms. The guide grooves guide the protective film, and the spacing between the sliding bodies is adjusted by a linkage mechanism between a threaded rod and a drive motor to accommodate the winding of protective films of different widths.
It achieves effective guidance of the protective film, improves winding efficiency and quality, adapts to the winding of protective films of different widths, and avoids offset and skewing.
Smart Images

Figure CN223792613U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of protective film winding technology, specifically relating to a winding device for a guideable protective film for vehicles. Background Technology
[0002] In the modern automotive manufacturing and repair industry, automotive protective films are widely used to protect car surfaces from scratches, stains and other potential damage. For ease of transportation and use, these protective films are usually supplied in roll form and need to be wound and stored using a dedicated winding device. While existing winding devices meet basic winding requirements to some extent, they have significant limitations when handling protective films of different widths.
[0003] Existing winding devices typically employ fixed limiting structures, meaning they can only accommodate protective films of a specific width. When it's necessary to change to a different width of protective film, operators must manually adjust the limiting device, which is not only time-consuming and labor-intensive but also prone to operational errors, affecting winding quality. Furthermore, due to the lack of an effective guiding mechanism, the protective film is prone to shifting during winding, resulting in uneven winding or even damage to the protective film.
[0004] To solve the above problems, there is an urgent need for a winding device for automotive guideable protective film. Utility Model Content
[0005] The purpose of this invention is to provide a winding device for automotive guideable protective film, which can effectively guide the protective film and quickly adapt to the winding of protective films of different widths, thereby improving winding efficiency and quality.
[0006] The specific technical solution adopted by this utility model is as follows:
[0007] A winding device for a guideable protective film for vehicles includes a worktable, with mounting plates fixed on both sides of one end of the worktable, and a rotating column installed between the two mounting plates.
[0008] Sliding bodies are slidably connected to both sides of the workbench and the end closest to the rotating column. Two guide plates are fixed on the side of the two sliding bodies that are close to each other. A guide groove is formed between the two guide plates on the same sliding body. The guide groove is used to guide the protective film.
[0009] An adjustment mechanism is installed between the two sliding bodies, the adjustment mechanism being used to adjust the distance between the two sliding bodies.
[0010] As a preferred technical solution of this utility model, the adjusting mechanism includes threaded rods threadedly connected to the interiors of the two sliding bodies, and the threads of the two threaded rods have opposite directions, and the two threaded rods are connected to each other by a connecting rod;
[0011] A fixing plate is fixed on one side of the workbench, and a drive motor is installed on one side of the fixing plate. The output end of the drive motor drives one of the threaded rods to rotate through a linkage mechanism.
[0012] As a preferred embodiment of this utility model, the linkage mechanism includes a worm gear fixed to the output end of the drive motor, a worm wheel meshing with the outer side of the worm gear, and one side of the worm wheel being connected to one of the threaded rods.
[0013] As a preferred embodiment of this utility model, a push rod motor is fixed inside the guide plate at the bottom, and a moving plate is fixed vertically upward on the stroke rod of the push rod motor.
[0014] As a preferred embodiment of this utility model, multiple rolling rollers are evenly installed on the top of the moving plate and the bottom of the top guide plate.
[0015] As a preferred embodiment of this utility model, a flexible pad is fixed on the outer side of the rolling roller, and the flexible pad is made of rubber.
[0016] As a preferred embodiment of this invention, the distance between the two guide plates is less than the length of the rotating column.
[0017] As a preferred embodiment of this utility model, a protective shell is installed on the lower side of the bottom guide plate and on the outside of the push rod motor, and the protective shell is made of metal.
[0018] The technical effects achieved by this utility model are as follows:
[0019] This invention guides the protective film through guide grooves, preventing the protective film from becoming skewed, thus enabling effective guidance of the protective film and allowing it to quickly adapt to the winding of protective films of different widths, thereby improving winding efficiency and quality. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;
[0022] Figure 3 This is a schematic diagram of the structure between the worktable, the threaded rod, and the sliding body in this utility model;
[0023] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle.
[0024] The attached diagram lists the components represented by each number as follows:
[0025] 1. Worktable; 2. Mounting plate; 3. Rotating column; 4. Sliding body; 5. Guide plate; 6. Guide groove; 7. Threaded rod; 8. Drive motor; 9. Fixed plate; 10. Worm gear; 11. Worm wheel; 12. Moving plate; 13. Rolling roller; 14. Push rod motor; 15. Connecting rod. Detailed Implementation
[0026] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.
[0027] Example 1:
[0028] like Figures 1-4 As shown, a winding device for a guideable protective film for vehicles includes a worktable 1, with mounting plates 2 fixed on both sides of one end of the worktable 1, and a rotating column 3 installed between the two mounting plates 2.
[0029] The protective film is conveyed on the workbench 1, and the rotating column 3 is rotated by an external mechanism, thereby causing the protective film to be rolled up on the outside of the rotating column 3.
[0030] Sliding bodies 4 are slidably connected to both sides of the workbench 1 and the end closest to the rotating column 3. Two guide plates 5 are fixed on the side of the two sliding bodies 4 that are close to each other. A guide groove 6 is formed between the two guide plates 5 on the same sliding body 4. The guide groove 6 is used to guide the protective film. The distance between the two guide plates 5 is less than the length of the rotating column 3. With this setting, when the protective film is rolled up on the rotating column 3 through the protective film between the two guide plates 5, the guiding effect of the two guide plates 5 that are too far apart on the protective film is not reduced. The distance between the two guide plates 5 must be at least equal to the length of the rotating column 3.
[0031] When guiding the protective film, both sides of the protective film can be inserted into the guide groove 6. The guide groove 6 guides the protective film to avoid skewing or other issues, thus ensuring that the protective film is always wound up on the rotating column 3 within a constant range.
[0032] An adjustment mechanism is installed between the two sliding bodies 4, which is used to adjust the distance between the two sliding bodies 4.
[0033] See attached document Figure 1 and attached Figure 3 The adjusting mechanism includes threaded rods 7 threadedly connected inside two sliding bodies 4, with the threads of the two threaded rods 7 having opposite directions, and the two threaded rods 7 being connected to each other by a connecting rod 15;
[0034] A fixing plate 9 is fixed on one side of the workbench 1, and a drive motor 8 is installed on one side of the fixing plate 9. The output end of the drive motor 8 drives one of the threaded rods 7 to rotate through a linkage mechanism.
[0035] When the drive motor 8 is driven, its output end can drive the linkage mechanism, which in turn drives one of the threaded rods 7 to rotate. This threaded rod 7 then drives the connecting rod 15 and the other threaded rod 7 to rotate, causing both threaded rods 7 to rotate simultaneously. The two threaded rods 7 are then connected to the two sliding bodies 4 by threads, and the two sliding bodies 4 are connected to the worktable 1 by sliding connections. Furthermore, the two sliding bodies 4 are moved in opposite directions within the worktable 1 by the opposite threads of the two threaded rods 7. This allows the distance between the two sliding bodies 4 to be adjusted, thus enabling the adjustment of the sliding bodies 4 to accommodate protective films of different widths.
[0036] See attached document Figure 2 The linkage mechanism includes a worm 10 fixed to the output end of the drive motor 8. A worm wheel 11 is meshed with the outer side of the worm 10. One side of the worm wheel 11 is connected to one of the threaded rods 7. With this arrangement, the output end of the drive motor 8 drives the worm 10 to rotate. Through the meshing connection between the worm 10 and the worm wheel 11, the worm 10 can drive the worm wheel 11 and the threaded rod 7 to rotate. Due to the characteristics of the worm 10 and the worm wheel 11, the worm 10 can drive the worm wheel 11 to rotate, while the worm wheel 11 cannot drive the worm 10 to rotate. This prevents the threaded rod 7 from rotating due to accidental collision, thereby preventing the sliding body 4 from sliding unexpectedly.
[0037] Example 2:
[0038] This embodiment is a further technical improvement based on Embodiment 1, and its technical components and effects are as follows:
[0039] See attached document Figure 4A push rod motor 14 is fixed inside the bottom guide plate 5. A protective shell, made of metal, is installed on the lower side of the bottom guide plate 5 and outside the push rod motor 14. This design protects the push rod motor 14 from damage caused by impacts. The protective shell can be made of iron, copper, or other materials. A movable plate 12 is fixed vertically upward on the stroke rod of the push rod motor 14. When winding protective films of different thicknesses, the push rod motor 14 can be driven, causing the stroke rod of the push rod motor 14 to move the movable plate 12 up and down. This allows for variations in the thickness of the space within the guide groove 6, thus adapting to protective films of different thicknesses. Furthermore, multiple rolling rollers 13 are evenly installed on the top of the movable piece 12 and the bottom of the top guide piece 5. The rolling rollers 13 are designed to rotate along with the protective film through friction as the film moves, thereby enhancing the guidance of the protective film. Additionally, a flexible pad made of rubber is fixed to the outer side of the rolling rollers 13. This design further increases the friction between the rolling rollers 13 and the protective film. The flexible pad can also be made of silicone or other materials.
[0040] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.
Claims
1. A winding device for vehicle oriented protective films, comprising a worktable (1), characterized in that: Both sides of one end of the workbench (1) are fixedly connected with mounting plates (2), and a rotating column (3) is mounted between the two mounting plates (2); Both sides of one end of the workbench (1) are fixedly connected with mounting plates (2), and a rotating column (3) is mounted between the two mounting plates (2); Both sides of one end of the workbench (1) are fixedly connected with mounting plates (2), and a rotating column (3) is mounted between the two mounting plates (2); 2. The winding device of the guided protection film for vehicle according to claim 1, characterized in that: The adjusting mechanism is arranged between the two sliding bodies (4) and is used for adjusting the distance between the two sliding bodies (4). The adjusting mechanism comprises threaded rods (7) which are screwed in the two sliding bodies (4), and the threads of the two threaded rods (7) are opposite in rotation direction, and the two threaded rods (7) are connected through a connecting rod (15).
3. The winding device of the guided protection film for vehicle according to claim 2, characterized in that: One side of the workbench (1) is fixedly connected with a fixed plate (9), one side of the fixed plate (9) is mounted with a driving motor (8), and the output end of the driving motor (8) drives one of the threaded rods (7) to rotate through a linkage mechanism.
4. The winding device of the guided protection film for vehicle according to claim 1, characterized in that: The linkage mechanism comprises a worm (10) fixed to the output end of the driving motor (8), the outer side of the worm (10) is meshed with a worm wheel (11), and one side of the worm wheel (11) is connected with the threaded rod (7).
5. The winding device of the guided protection film for vehicle according to claim 4, characterized in that: The bottom of the guiding plate (5) is fixedly connected with a push rod motor (14), and the stroke rod of the push rod motor (14) is vertically upwardly fixedly connected with a moving plate (12).
6. The winding device of the guided protection film for vehicle according to claim 5, characterized in that: The top of the moving plate (12) and the bottom of the guiding plate (5) are uniformly mounted with a plurality of rolling rollers (13).
7. The winding device of the guided protection film for vehicle according to claim 1, characterized in that: The outer side of the rolling roller (13) is fixedly connected with a flexible pad, and the flexible pad is rubber.
8. The winding device of the guided protection film for vehicle according to claim 4, characterized in that: The distance between the two guiding plates (5) is less than the length of the rotating column (3). The bottom of the guiding plate (5) is fixedly connected with a flexible pad, and the flexible pad is rubber. The bottom of the guiding plate (5) is fixedly connected with a flexible pad, and the flexible pad is rubber.