Slitting device for automobile color changing film production

The cutting device driven by a cylinder and a motor solves the problems of low efficiency and high cost of the existing laser cutting head, achieves efficient and smooth cutting of the color-changing film, and improves cutting accuracy and production efficiency.

CN223326444UActive Publication Date: 2025-09-12SHANGHAI HUAIRUN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422101873.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-09-12
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

Existing laser cutting heads use fewer laser heads for mobile cutting in the production of color-changing films, resulting in limited cutting efficiency and high equipment costs.

Method used

The cutting device is driven by a cylinder and a motor. The cylinder fixes one end of the color-changing film, the air pump unfolds the other end of the color-changing film, and the motor drives the cutting knife to cut. The coordinated action of the cylinder and the motor ensures stable cutting of the color-changing film.

Benefits of technology

It achieves efficient and smooth cutting of color-changing films, reduces equipment costs, and improves cutting accuracy and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slitting device for automobile color changing film production, which relates to the field of automobile production, and comprises a device main body, a protective shell is arranged on the device main body, through holes are formed in two sides of the protective shell, a first air cylinder is arranged on the outer upper surface of the protective shell, and an ejector rod is movably arranged at the bottom of the first air cylinder. And the ejector rod extends into the protective shell. One end of a color changing film is pressed by the extrusion plate through the first air cylinder, then the other end of the color changing film is blown through the air suction pump, the color changing film is unfolded, the second air cylinder drives the connecting rod to press downwards, and meanwhile the second motor drives the second transmission shaft to drive the roller to move from one end of the color changing film to the other end of the color changing film. A color changing film is completely unfolded and fixed, after the color changing film is completely fixed, a first conductor and a second conductor make contact to control a first motor to control a cutting knife to rotate out of an open groove, then a third motor drives a first rotating shaft to rotate to enable the cutting knife to move, cutting of the color changing film is achieved, and it is guaranteed that the color changing film is cut flatly.
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Description

Technical Field

[0001] The utility model relates to the field of automobile production, in particular to a slitting device for producing automobile color-changing films. Background Art

[0002] In recent years, with the continued prosperity of China's automobile market and the increasing demand for personalization among consumers, the automotive color-changing film industry has entered a period of rapid development. As an emerging modification method for the production of automotive color-changing film, automotive color-changing film not only gives vehicles a brand new appearance, but also effectively protects the paint without damaging the original paint, extending the service life of the vehicle. Therefore, it has been widely favored by the market.

[0003] In the production process of car color-changing film, the slitting device is one of the key equipment, and its performance directly affects the quality of the product and production efficiency. Traditional slitting devices mostly use blade cutting. Although this method is simple and direct, it is easy to produce burrs during the cutting process, affecting the color of the color-changing film and subsequent use effects. In addition, with the diversification of market demand, the size and specifications of the color-changing film are becoming increasingly rich, which puts higher requirements on the accuracy and flexibility of the slitting device.

[0004] In response to the above problems, a variety of improved slitting devices have appeared on the market, such as laser cutting devices, etc. Although laser cutting can improve cutting accuracy and efficiency.

[0005] However, existing laser cutting heads often use fewer laser heads for mobile cutting, resulting in limited cutting efficiency and high equipment costs. Utility Model Content

[0006] Based on this, the purpose of the present invention is to provide a slitting device for the production of automobile color-changing films, so as to solve the problem that existing laser cutting heads often use fewer laser heads for mobile cutting, resulting in limited cutting efficiency and high equipment costs.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A slitting device for the production of automobile color-changing film. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: It includes a device main body, characterized in that: a protective shell is provided on the device main body, through openings are provided at both ends of the protective shell, a first cylinder is provided on the outer upper surface of the protective shell, a support frame is provided on the top of the protective shell to cooperate with the first cylinder, a push rod is movably provided at the bottom of the first cylinder, the push rod extends into the protective shell, an extrusion plate is provided in the protective shell to cooperate with the push rod, a second slide groove is provided on the upper surface of the protective shell on one side, a second cylinder is slidably provided in the second slide groove, a pair of connecting rods are provided at the bottom of the second cylinder, the connecting rods extend to the bottom of the protective shell, a connecting shaft is provided between the pair of connecting rods, and a roller is rotatably provided on the connecting shaft.

[0008] By adopting the above technical solution, the first cylinder drives the extrusion plate to fix one end of the color-changing film, and the second cylinder cooperates with the roller to fix the other end of the color-changing film, thereby ensuring the stability of the color-changing film and the stability of the cutting of the color-changing film.

[0009] The present invention is further configured as follows: a pair of first sliding grooves are provided on the upper surface of the device body, a second sliding block is slidingly provided in the first sliding groove, a slot is provided on the second sliding block, a cutting knife is provided in the slot, a connecting shaft is provided at one end of the cutting knife, and one end of the connecting shaft passes through the other cutting knife and extends to the outside of the device body to connect to the first motor.

[0010] By adopting the above technical solution, the first motor drives the connecting shaft to rotate and then drives the cutting knife to rotate out of the slot to cut the color-changing film.

[0011] The present invention is further configured such that a first slider is provided at the bottom of the second slider, a first rotating shaft is provided in the device body to cooperate with and pass through the first slider, and the first rotating shaft extends to the outside of the device body toward an end away from the through opening to connect to a third motor.

[0012] By adopting the above technical solution, a third motor is set to drive the first rotating shaft to rotate, and Genori drives the first slider to move, drives the second slider to move, and then drives the cutting knife to cut the color-changing film.

[0013] The present invention is further configured such that a first conductor is provided on one side of the second cylinder, a second conductor is provided in the second chute to match the first conductor, and the circuit in the device is controlled by the first conductor and the second conductor.

[0014] By adopting the above technical solution, the first conductor and the second conductor are in contact, and after the color-changing film is stretched, the motor is controlled to start cutting the color-changing film.

[0015] The utility model is further configured such that an air outlet is provided on the upper surface of the device body at the bottom of the drum, an air suction pump is provided on the device body in conjunction with the air outlet, and the air suction pump is connected to the air outlet via a connecting pipe.

[0016] By adopting the above technical solution, the air is sucked out by the air pump to blow out the color-changing film and then the other end of the color-changing film is fixed to ensure that the surface of the color-changing film is flat when it is cut.

[0017] The utility model is further configured such that fixed plates are symmetrically arranged at both ends of the second slide groove on the upper surface of the support frame, a second transmission shaft is rotatably arranged between the fixed plates, the second transmission shaft passes through one side fixed plate and is connected to the second motor, and a connecting block is provided on the second cylinder to cooperate with the second cylinder.

[0018] By adopting the above technical solution, the second motor drives the connectable block to move, thereby driving the roller to move and flattening the color-changing film.

[0019] The utility model is further configured such that a buffer plate is provided at the bottom of the extrusion plate.

[0020] By adopting the above technical solution, the buffer plate is used to ensure that the extrusion plate will not damage the color-changing film.

[0021] In summary, the present invention has the following beneficial effects:

[0022] The utility model uses a first cylinder to press one end of the color-changing film of the extrusion plate, and then blows up the other end of the color-changing film through a suction pump to unfold the color-changing film. At this time, the connecting rod is driven downward by the second cylinder, and the second transmission shaft is driven by the second motor to drive the roller from one end of the color-changing film to the other end, so that the color-changing film is fully unfolded and fixed. After it is completely fixed, the first conductor and the second conductor contact to control the first motor to control the cutting knife to rotate out of the slot. Then, the first rotating shaft is driven by the third motor to rotate to move the cutting knife, thereby realizing the cutting of the color-changing film and ensuring that the cutting of the color-changing film is smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the side structure of part of the utility model;

[0025] Figure 3 It is a schematic diagram of the side structure of another part of the utility model;

[0026] Figure 4 It is a top view of the overall structure of the utility model.

[0027] In the figure: 1. Device body; 2. Protective shell; 3. Support frame; 4. First cylinder; 5. Extrusion plate; 6. Buffer plate; 7. Push rod; 8. First motor; 9. Connecting pipe; 10. Air outlet; 11. Suction pump; 12. Through port; 13. First slide; 14. First rotating shaft; 15. Connecting shaft; 16. First slider; 17. Cutting knife; 18. Second transmission shaft; 19. Connecting rotating shaft; 20. First conductor; 21. Connecting rod; 22. Roller; 23. Second slide; 24. Fixing plate; 25. Second motor; 26. Second conductor; 27. Third motor; 28. Connecting block; 29. ​​Second slider; 30. Slot; 31. Second cylinder. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] The following describes an embodiment of the present invention based on its overall structure.

[0030] A slitting device for producing car color changing film, such as Figure 1-4As shown, it includes a device body 1, a protective shell 2 is provided on the device body 1, and openings 12 are provided at both ends of the protective shell 2. A first cylinder 4 is provided on the outer upper surface of the protective shell 2, and a support frame 3 is provided on the top of the protective shell 2 to cooperate with the first cylinder 4. A push rod 7 is movably provided at the bottom of the first cylinder 4, and the push rod 7 extends into the protective shell 2. An extrusion plate 5 is provided in the protective shell 2 to cooperate with the push rod 7. A second slide groove 23 is provided on the upper surface of the protective shell 2 on one side of the first cylinder 4, and a push rod 7 is provided in the second slide groove 23. The second cylinder 31 has a pair of connecting rods 21 at the bottom, and the connecting rods 21 extend to the bottom of the protective shell 2. A connecting shaft 19 is provided between the pair of connecting rods 21. A roller 22 is rotatably provided on the connecting shaft 19. The upper surface of the support frame 3 is symmetrically provided with fixed plates 24 at both ends of the second slide groove 23. A second transmission shaft 18 is rotatably provided between the fixed plates 24. The second transmission shaft 18 passes through one side of the fixed plate 24 and is connected to the second motor 25. The second cylinder 31 cooperates with the second cylinder 31 is provided with a connecting block 28. In actual use, the color-changing film is placed in the device through the through-port 12. After the placement is completed, the first cylinder 4 drives the push rod 7 to press down and drive the extrusion plate 5 to fix one end of the color-changing film. The bottom of the extrusion plate 5 is provided with a buffer plate 6. The buffer plate ensures that the extrusion plate 6 will not damage the color-changing film. After the fixation is completed, the upper surface of the device body 1 is provided with an air outlet 10 at the bottom of the roller 22. The device body 1 is provided with an air pump 11 in conjunction with the air outlet 10. The air pump 11 It is connected to the air outlet 10 through a connecting pipe 9, and air is sucked in by the air pump 11 and then ejected from the air outlet 10 through the connecting pipe 9. The air outlet 10 is set to an oblique ejection structure to blow up the color-changing film above it. At this time, the connecting rod 21 is driven downward by the second cylinder 31, and then the roller 22 is driven downward. At the same time, the second transmission shaft 18 is driven to rotate by the second motor 25, and then the second cylinder 31 is driven to move to press the color-changing film downward. By pressing down and moving at the same time, it can be ensured that there is no air at the bottom of the color-changing film, making the color-changing film smooth.

[0031] After the color-changing film is leveled, a pair of first chutes 13 are provided on the upper surface of the device body 1. A second slider 29 is slidably provided in the first chutes 13. A slot 30 is provided on the second slider 29. A cutting knife 17 is provided in the slot 30. One end of the cutting knife 17 is provided with a connecting shaft 15. One end of the connecting shaft 15 passes through the other cutting knife 17 and extends to the outside of the device body 1 to connect to the first motor 8. The cutting knife 17 is driven to rotate by the first motor 7 and rotated out of the slot 30, so that the cutting knife 17 cuts the color-changing film.

[0032] In coordination with it, a first slider 16 is provided at the bottom of the second slider 29, and a first rotating shaft 14 is provided in the device body 1 to cooperate with and pass through the first slider 16. The first rotating shaft 14 extends to the end away from the through opening 12 to the outside of the device body 1 and is connected to the third motor 27. The third motor 27 drives the first rotating shaft 14 to rotate and then drives the first slider 16 to move, so that the cutting knife 17 moves synchronously to achieve cutting of the color-changing film.

[0033] On the basis of the above structure, a first conductor 20 is provided on one side of the second cylinder 31, and a second conductor 26 is provided in the second slide groove 23 to cooperate with the first conductor 20. The circuit in the device is controlled by the first conductor 20 and the second conductor 26. In this way, when the second cylinder drives the first conductor 20 and the second conductor 26 to contact each other under the drive of the connecting block 28, the first motor 8 and the third motor 27 are turned on to control the cutting of the color-changing film.

[0034] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A slitting device for producing automobile color-changing films, comprising a device body (1), characterized in that: The device body (1) is provided with a protective shell (2), and both ends of the protective shell (2) are provided with openings (12). A first cylinder (4) is provided on the outer upper surface of the protective shell (2), and a support frame (3) is provided on the top of the protective shell (2) to cooperate with the first cylinder (4). A push rod (7) is movably provided at the bottom of the first cylinder (4), and the push rod (7) extends into the protective shell (2). An extrusion plate (5) is provided in the protective shell (2) to cooperate with the push rod (7). A second slide groove (23) is provided on the upper surface of the protective shell (2) on one side of the first cylinder (4), and a second cylinder (31) is slidably provided in the second slide groove (23). A pair of connecting rods (21) are provided at the bottom of the second cylinder (31), and the connecting rods (21) extend to the bottom of the protective shell (2). A connecting shaft (19) is provided between the pair of connecting rods (21), and a roller (22) is rotatably provided on the connecting shaft (19).

2. The slitting device for producing a car color-changing film according to claim 1, characterized in that: A pair of first sliding grooves (13) are provided on the upper surface of the device body (1), a second sliding block (29) is slidably provided in the first sliding groove (13), a slot (30) is provided on the second sliding block (29), a cutting knife (17) is provided in the slot (30), a connecting shaft (15) is provided at one end of the cutting knife (17), and one end of the connecting shaft (15) passes through the other cutting knife (17) and extends to the outside of the device body (1) to connect with the first motor (8).

3. The slitting device for producing a car color-changing film according to claim 2, characterized in that: A first slider (16) is provided at the bottom of the second slider (29), and a first rotating shaft (14) is provided in the device body (1) to cooperate with and pass through the first slider (16). The first rotating shaft (14) extends to the end away from the through opening (12) to the outside of the device body (1) and is connected to a third motor (27).

4. The slitting device for producing a car color-changing film according to claim 1, characterized in that: A first conductor (20) is provided on one side of the second cylinder (31), and a second conductor (26) is provided in the second chute (23) to match the first conductor (20). The circuit in the device is controlled by the first conductor (20) and the second conductor (26).

5. The slitting device for producing a car color-changing film according to claim 1, characterized in that: An air outlet (10) is provided on the upper surface of the device body (1) at the bottom of the roller (22), and an air suction pump (11) is provided on the device body (1) in conjunction with the air outlet (10). The air suction pump (11) is connected to the air outlet (10) via a connecting pipe (9).

6. The slitting device for producing a car color-changing film according to claim 1, characterized in that: The upper surface of the support frame (3) is symmetrically provided with fixed plates (24) at both ends of the second slide groove (23), and a second transmission shaft (18) is rotatably provided between the fixed plates (24). The second transmission shaft (18) passes through one side of the fixed plate (24) and is connected to the second motor (25). The second cylinder (31) is provided with a connecting block (28) to cooperate with the second cylinder (31).

7. The slitting device for producing a car color-changing film according to claim 1, characterized in that: A buffer plate (6) is provided at the bottom of the extrusion plate (5).