Stretching device for processing TPU (thermoplastic polyurethane) invisible car cover film

Abstract

The utility model discloses a stretching device for processing a TPU (Thermoplastic Polyurethane) invisible car cover film, relates to the field of invisible car cover film processing, and aims to solve the problem that the cutting quality of a cutting device is influenced when the car cover film is uneven on a cutting table as the existing cutting device is not provided with a stretching mechanism in the prior art. The middles of the upper ends of the two first linear guide rails are jointly connected with a first C-shaped support, the upper end of the first C-shaped support is fixedly connected with a second linear guide rail, the middle of the upper end of the second linear guide rail is connected with a lifting driving device, and the front end of the lifting driving device is connected with a laser cutting machine. The front ends of the upper ends of the two first linear guide rails are jointly connected with a second C-shaped support, a C-shaped movable frame is arranged on the inner side of the second C-shaped support, the lower end of the inner side of the C-shaped movable frame is rotationally connected with an anti-skid pressing roller, and the rear ends of the upper ends of the two first linear guide rails are jointly connected with a third C-shaped support. The inner side of the third C-shaped support is connected with a pressing plate.

Description

Technical Field

[0001] The utility model relates to the field of invisible car cover film processing, in particular to a stretching device for processing TPU invisible car cover film. Background Art

[0002] Invisible car cover is a thermoplastic polyurethane film (TPU) containing UV-resistant polymers that resists yellowing. It offers exceptional toughness, abrasion resistance, non-yellowing properties, easy adhesion, and resistance to collisions and scratches. Widely used in the automotive detailing and maintenance industry, it's a common name for transparent paint protection film. Its exceptional toughness allows it to isolate the car's paint from the elements, providing long-lasting protection.

[0003] Authorization announcement number CN 216732046 U, a film cutting table, including a cutting table, a film winding shaft is installed on the left side of the top of the cutting table, TPU invisible car film is wrapped on the outer wall of the film winding shaft, the right end of the cutting table is fixedly connected to a horizontal plate and the top of the horizontal plate is fixedly connected to a support plate, the bottom end of the support plate is installed with an electric hydraulic rod and the bottom end of the electric hydraulic rod is installed with a pressure plate, the surface of the cutting table is fixedly connected to a slide rail and the top of the slide rail is slidably connected to a slider, the surface of the TPU invisible car film is sprayed with a heat insulation layer, the utility model is convenient for cutting TPU invisible car film, and has very good heat insulation performance.

[0004] Before applying TPU invisible car cover film, it needs to be cut according to the vehicle shape by a cutting device. The existing cutting devices are not equipped with a stretching mechanism. When the car cover film is uneven on the cutting table, it will affect the cutting quality of the cutting device. Therefore, the market urgently needs to develop a stretching device for TPU invisible car cover film processing to help people solve the existing problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a stretching device for processing TPU invisible car cover film, so as to solve the problem that the existing cutting devices proposed in the above background technology are not equipped with a stretching mechanism, and when the car cover film is uneven on the cutting table, it will affect the cutting quality of the cutting device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretching device for processing TPU invisible car cover film, comprising a cutting table, both sides of the upper end of the cutting table are fixedly connected to a first linear guide rail, the middle parts of the upper ends of the two first linear guide rails are commonly connected to a first C-shaped bracket, the upper ends of the first C-shaped brackets are fixedly connected to a second linear guide rail, the middle part of the upper end of the second linear guide rail is connected to a lifting drive device, the front end of the lifting drive device is connected to a laser cutting machine, the front ends of the upper ends of the two first linear guide rails are commonly connected to a second C-shaped bracket, the middle part of the upper end surface of the second C-shaped bracket is fixedly provided with a first electric push rod, A C-shaped movable frame is provided on the inner side of the second C-shaped bracket, and the lower end of the inner side of the C-shaped movable frame is rotatably connected to an anti-slip pressure roller, and the middle part of the anti-slip pressure roller is fixedly connected to a rotating shaft, and the upper end of one side of the inner side of the C-shaped movable frame is fixedly provided with a driving motor for driving the anti-slip pressure roller to rotate, and the rear ends of the upper ends of the two first linear guide rails are commonly connected to the third C-shaped bracket, and the middle part of the upper end of the third C-shaped bracket is fixedly provided with a second electric push rod, and the inner side of the third C-shaped bracket is connected to a pressure plate, and the lower ends of both sides of the first C-shaped bracket, the second C-shaped bracket and the third C-shaped bracket are respectively connected to the two first linear guide rails through a second slider.

[0007] Preferably, the lifting drive device is connected to the second linear guide rail via a first slider, and the first slider is connected to a first slider drive device.

[0008] Preferably, the telescopic end of the lower end of the first electric push rod passes through the second C-shaped bracket and is fixedly connected to the upper end of the C-shaped movable frame, and a transmission groove is provided inside one side of the C-shaped movable frame.

[0009] Preferably, the output shaft of the driving motor extends to the interior of the transmission groove and is fixedly connected to a first pulley, and one end of the rotating shaft extends to the interior of the transmission groove and is fixedly connected to a second pulley.

[0010] Preferably, the first pulley and the second pulley are rotationally connected via a transmission belt.

[0011] Preferably, the telescopic end of the lower end of the second electric push rod passes through the third C-shaped bracket and is fixedly connected to the upper end of the pressure plate.

[0012] Preferably, a second slider driving device is provided on the second slider at the lower end of one side of the first C-shaped bracket, the second C-shaped bracket and the third C-shaped bracket.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In this utility model, through the setting of the anti-slip pressing roller, the second electric push rod pushes the pressure plate down to press one end of the TPU invisible car cover film on the cutting table, the telescopic end of the lower end of the first electric push rod passes through the second C-shaped bracket and is fixedly connected to the upper end of the C-shaped movable frame, and the C-shaped movable frame is pushed down by the first electric push rod. When the TPU invisible car cover film is placed on the cutting table, the C-shaped movable frame descends, so that the anti-slip pressing roller presses the other end of the TPU invisible car cover film, and the driving motor drives the rotating shaft to rotate, thereby driving the anti-slip pressing roller to rotate. When the anti-slip pressing roller rotates, one side of the TPU invisible car cover film is stretched, so that the TPU invisible car cover film is stretched and flattened, which is convenient for the laser cutting machine to perform precise cutting.

[0015] 2. In the utility model, through the setting of the first linear guide rail, both sides of the upper end of the cutting table are fixedly connected with the first linear guide rail, and the lower ends of the first C-type bracket, the second C-type bracket and the third C-type bracket are respectively connected to the two first linear guide rails through the second slider, and the second slider at the lower end of one side of the first C-type bracket, the second C-type bracket and the third C-type bracket is provided with a second slider driving device, so that the first C-type bracket, the second C-type bracket and the third C-type bracket can be driven by the second slider driving device to move and adjust the position on the first linear guide rail according to the size of the TPU invisible car cover film.

[0016] 3. In this utility model, through the setting of the second linear guide rail, the lifting drive device is connected to the second linear guide rail through the first slider, and the first slider is connected to the first slider drive device. The lifting drive device is driven by the first slider to move horizontally, and the second slider on the first C-shaped bracket drives the first C-shaped bracket to move back and forth on the cutting table, thereby driving the laser cutting machine to move in all directions on the cutting table, which is convenient for cutting TPU invisible car cover film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a stretching device for processing TPU invisible car cover film according to the present invention;

[0018] Figure 2 It is a side sectional view of the utility model;

[0019] Figure 3 This is a main cross-sectional view of the second C-shaped bracket of the present invention;

[0020] Figure 4 This is a main cross-sectional view of the third C-shaped bracket of the present invention.

[0021] In the figure: 1. Cutting table; 101. First linear guide rail; 2. First C-type bracket; 201. Second linear guide rail; 3. Lifting drive device; 301. First slider; 302. First slider drive device; 303. Laser cutting machine; 4. Second C-type bracket; 401. First electric push rod; 402. C-type movable frame; 403. Transmission groove; 404. Drive motor; 405. First pulley; 406. Transmission belt; 5. Anti-slip pressure roller; 501. Rotating shaft; 502. Second pulley; 6. Third C-type bracket; 601. Second electric push rod; 602. Pressure plate; 7. Second slider; 701. Second slider drive device. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4 , the utility model provides an embodiment: a stretching device for processing TPU invisible car cover film, including a cutting table 1, both sides of the upper end of the cutting table 1 are fixedly connected to a first linear guide rail 101, the middle of the upper ends of the two first linear guide rails 101 are commonly connected to a first C-shaped bracket 2, the upper end of the first C-shaped bracket 2 is fixedly connected to a second linear guide rail 201, the middle of the upper end of the second linear guide rail 201 is connected to a lifting drive device 3, the front end of the lifting drive device 3 is connected to a laser cutting machine 303, the front ends of the upper ends of the two first linear guide rails 101 are commonly connected to a second C-shaped bracket 4, the middle of the upper end surface of the second C-shaped bracket 4 is fixedly provided with a first electric push rod 401, the inner portion of the second C-shaped bracket 4 A C-shaped movable frame 402 is provided on the side, and the lower end of the inner side of the C-shaped movable frame 402 is rotatably connected to the anti-slip pressure roller 5, and the middle part of the anti-slip pressure roller 5 is fixedly connected to the rotating shaft 501, and the upper end of one side of the inner side of the C-shaped movable frame 402 is fixedly provided with a driving motor 404 for driving the anti-slip pressure roller 5 to rotate, and the rear ends of the upper ends of the two first linear guide rails 101 are commonly connected to the third C-shaped bracket 6, and the middle part of the upper end of the third C-shaped bracket 6 is fixedly provided with a second electric push rod 601, and the inner side of the third C-shaped bracket 6 is connected to a pressure plate 602, and the lower ends of both sides of the first C-shaped bracket 2, the second C-shaped bracket 4 and the third C-shaped bracket 6 are respectively connected to the two first linear guide rails 101 through a second slider 7.

[0024] Furthermore, the lifting drive device 3 is connected to the second linear guide rail 201 through the first slider 301, and the first slider drive device 302 is connected to the first slider 301. The lifting drive device 3 is driven horizontally by the first slider 301, and the second slider 7 on the first C-shaped bracket 2 drives the first C-shaped bracket 2 to move back and forth on the cutting table 1, thereby driving the laser cutting machine 303 to move in all directions on the cutting table 1, which is convenient for cutting the TPU invisible car cover film.

[0025] Furthermore, the telescopic end of the lower end of the first electric push rod 401 passes through the second C-shaped bracket 4 and is fixedly connected to the upper end of the C-shaped movable frame 402. A transmission groove 403 is provided inside one side of the C-shaped movable frame 402. The C-shaped movable frame 402 is pushed down by the first electric push rod 401. When the TPU invisible car cover film is placed on the cutting table 1, the C-shaped movable frame 402 descends, causing the anti-slip pressing roller 5 to press one end of the TPU invisible car cover film.

[0026] Furthermore, the output shaft of the driving motor 404 extends to the interior of the transmission slot 403 and is fixedly connected to a first pulley 405 , and one end of the rotating shaft 501 extends to the interior of the transmission slot 403 and is fixedly connected to a second pulley 502 .

[0027] Furthermore, the first pulley 405 and the second pulley 502 are rotationally connected via a transmission belt 406 , and the driving motor 404 drives the rotating shaft 501 to rotate, thereby driving the anti-slip pressing roller 5 to rotate.

[0028] Furthermore, the telescopic end of the lower end of the second electric push rod 601 passes through the third C-shaped bracket 6 and is fixedly connected to the upper end of the pressure plate 602. The second electric push rod 601 pushes the pressure plate 602 down to press the other end of the TPU invisible car cover film on the cutting table 1. When the anti-slip pressing roller 5 rotates, one side of the TPU invisible car cover film is stretched, so that the TPU invisible car cover film is stretched and flattened, which is convenient for the laser cutting machine 303 to perform precise cutting.

[0029] Furthermore, a second slider driving device 701 is provided on the second slider 7 at the lower end of one side of the first C-shaped bracket 2, the second C-shaped bracket 4 and the third C-shaped bracket 6, so that the first C-shaped bracket 2, the second C-shaped bracket 4 and the third C-shaped bracket 6 can be driven by the second slider driving device 701 to move and adjust the position of the second slider 7 on the first linear guide rail 101 according to the size of the TPU invisible car cover film.

[0030] Working principle: When in use, place the TPU invisible car cover film on the upper end of the cutting table 1. According to the size of the TPU invisible car cover film, the second slider 7 is driven by the second slider driving device 701 to move and adjust the positions of the first C-shaped bracket 2, the second C-shaped bracket 4 and the third C-shaped bracket 6 on the first linear guide rail 101. The telescopic end of the lower end of the second electric push rod 601 passes through the third C-shaped bracket 6 and is fixedly connected to the upper end of the pressing plate 602. The second electric push rod 601 pushes the pressing plate 602 down to press one end of the TPU invisible car cover film on the cutting table 1. The telescopic end of the lower end of the first electric push rod 401 passes through the second C-shaped bracket 4 and the C-shaped bracket. The upper end of the movable frame 402 is fixedly connected, and a transmission groove 403 is provided inside one side of the C-shaped movable frame 402. The C-shaped movable frame 402 is pushed down by the first electric push rod 401. When the TPU invisible car cover film is placed on the cutting table 1, the C-shaped movable frame 402 descends, so that the anti-slip pressing roller 5 presses the other end of the TPU invisible car cover film, and the driving motor 404 drives the rotating shaft 501 to rotate, thereby driving the anti-slip pressing roller 5 to rotate. When the anti-slip pressing roller 5 rotates, one side of the TPU invisible car cover film is stretched, so that the TPU invisible car cover film is stretched and flattened, which is convenient for the laser cutting machine 303 to perform precise cutting.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A stretching device for processing TPU invisible car cover film, comprising a cutting table (1), characterized in that: Both sides of the upper end of the cutting table (1) are fixedly connected to a first linear guide rail (101), the middle parts of the upper ends of the two first linear guide rails (101) are commonly connected to a first C-shaped bracket (2), the upper end of the first C-shaped bracket (2) is fixedly connected to a second linear guide rail (201), the middle part of the upper end of the second linear guide rail (201) is connected to a lifting drive device (3), the front end of the lifting drive device (3) is connected to a laser cutting machine (303), the front ends of the upper ends of the two first linear guide rails (101) are commonly connected to a second C-shaped bracket (4), the middle part of the upper end surface of the second C-shaped bracket (4) is fixedly provided with a first electric push rod (401), the inner side of the second C-shaped bracket (4) is provided with a C-shaped movable frame (402), the C-shaped movable frame ( The lower end of the inner side of the C-type movable frame (402) is rotatably connected to an anti-skid pressing roller (5), and the middle part of the anti-skid pressing roller (5) is fixedly connected to a rotating shaft (501). A driving motor (404) for driving the anti-skid pressing roller (5) to rotate is fixedly provided on the upper end of one side of the inner side of the C-type movable frame (402). The rear ends of the upper ends of the two first linear guide rails (101) are commonly connected to a third C-type bracket (6), and a second electric push rod (601) is fixedly provided in the middle part of the upper end of the third C-type bracket (6). The inner side of the third C-type bracket (6) is connected to a pressure plate (602). The lower ends of both sides of the first C-type bracket (2), the second C-type bracket (4) and the third C-type bracket (6) are respectively connected to the two first linear guide rails (101) through a second slider (7).

2. A stretching device for processing TPU invisible car cover film according to claim 1, characterized in that: The lifting drive device (3) is connected to the second linear guide rail (201) via a first slider (301), and the first slider (301) is connected to a first slider drive device (302).

3. The stretching device for processing TPU invisible car cover film according to claim 1, characterized in that: The telescopic end of the lower end of the first electric push rod (401) passes through the second C-shaped bracket (4) and is fixedly connected to the upper end of the C-shaped movable frame (402). A transmission groove (403) is provided inside one side of the C-shaped movable frame (402).

4. The stretching device for processing TPU invisible car cover film according to claim 3, characterized in that: The output shaft of the driving motor (404) extends to the interior of the transmission groove (403) and is fixedly connected to a first pulley (405); one end of the rotating shaft (501) extends to the interior of the transmission groove (403) and is fixedly connected to a second pulley (502).

5. The stretching device for processing TPU invisible car cover film according to claim 4, characterized in that: The first pulley (405) and the second pulley (502) are rotationally connected via a transmission belt (406).

6. The stretching device for processing TPU invisible car cover film according to claim 1, characterized in that: The telescopic end of the lower end of the second electric push rod (601) passes through the third C-shaped bracket (6) and is fixedly connected to the upper end of the pressing plate (602).

7. The stretching device for processing TPU invisible car cover film according to claim 1, characterized in that: A second slider driving device (701) is provided on the second slider (7) at the lower end of one side of the first C-shaped bracket (2), the second C-shaped bracket (4) and the third C-shaped bracket (6).

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