TPU (thermoplastic polyurethane) film heating and drying equipment for protecting automobile paint surface

Abstract

The utility model discloses TPU film heating and drying equipment for automobile paint protection, which comprises an equipment base, a negative ion fan, an exhaust fan and a drying mechanism are respectively arranged on a drying box, the surface of the equipment base is provided with a strip-shaped sliding groove, the inner wall of the strip-shaped sliding groove is connected with a supporting rod in a sliding manner, and the supporting rod is connected with the drying box in a sliding manner. An elastic clamping plate is fixedly installed on the surface of the supporting rod through a bolt, a clamping groove is formed in the surface of the elastic clamping plate, a lead screw is further rotationally connected to the inner wall of the strip-shaped sliding groove and is in threaded connection with the supporting rod, and a servo motor is fixedly connected to the side face of the equipment base. When the TPU film is installed, the end of the film can be clamped and fixed in the clamping groove of the elastic clamping plate, then the servo motor is used for driving the lead screw to rotate, the supporting rod can slide along the strip-shaped sliding groove from left to right, and therefore the TPU film can be driven to penetrate through the drying box, the installation work of the TPU film is achieved, time and labor are saved in the operation process, and convenience is achieved. And the situation that the TPU film is scratched by misoperation can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heating and drying equipment, in particular to a TPU film heating and drying equipment for protecting automobile paint surfaces. Background Art

[0002] TPU film is a kind of car paint protection material, the full name is thermoplastic polyurethane film. It is a film material with excellent properties such as high strength, wear resistance, corrosion resistance, and chemical resistance. TPU film can be attached to the paint surface of the car to protect the car paint from scratches, wear, corrosion, etc. It is soft and plastic, can completely fit the curved surface of the car, and can also effectively prevent ultraviolet radiation from damaging the paint surface.

[0003] Through searching, it is found that CN218906043U discloses a heating dryer for preparing TPU film, including a machine body, a blower mechanism, a tension adjustment mechanism, a heating box and an electric heating wire. The heating box is fixed at the top and bottom of the machine body, and the surface of the heating box is provided with hot air outlets at equal intervals. The electric heating wires are installed inside the heating box. A first induced draft fan is installed on one side of the top of the machine body, and the blower mechanism is arranged on one side of the machine body. A blower box is installed on one side of the machine body, and a through groove is arranged at the center of the blower box, and the inner walls of the top and bottom of the through groove are provided with blow pipes at equal intervals. The tension adjustment mechanism is respectively arranged on the outer walls of both sides of the machine body. The utility model not only shortens the drying time, improves the preparation efficiency, improves the thermal efficiency, saves energy, but also facilitates the adjustment of the tension of the TPU film.

[0004] However, there are still some problems and shortcomings in the use process:

[0005] When installing the TPU film, it needs to be manually passed through the tension adjustment mechanism, the blower mechanism, and the inside of the machine body. The operation process is rather cumbersome, and the TPU film may be scratched if not careful, so there is room for improvement. Utility Model Content

[0006] The utility model aims to provide a TPU film heating and drying device for protecting automobile paint surfaces, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a TPU film heating and drying device for protecting automobile paint surface, comprising a device base, a drying box and a lower limit mechanism are fixedly connected to the surface of the device base, an upper limit mechanism is fixedly connected to the side of the drying box, a negative ion fan, an exhaust fan and a drying mechanism are respectively arranged on the drying box, the drying mechanism comprises a blower, two heating boxes, two air pipes and a plurality of nozzles, the blower is arranged on the rear surface of the drying box, the heating boxes are fixedly connected to the upper and lower inner walls of the drying box, the air pipes are interconnected with the heating boxes through pipelines, the nozzles are equidistantly arranged on the surface of the air pipes, a strip slide is opened on the surface of the device base, a support rod is slidably connected to the inner wall of the strip slide, an elastic clamping plate is fixedly installed on the surface of the support rod by bolts, a card slot is opened on the surface of the elastic clamping plate, a lead screw is also rotatably connected to the inner wall of the strip slide, and the lead screw and the support rod are threadedly connected, a servo motor is fixedly connected to the side of the device base, and the rotating end of the servo motor is fixedly connected to the lead screw.

[0008] Preferably, the air delivery pipe is in an S-shape, and the pipelines are respectively located at both ends of the air delivery pipe.

[0009] Preferably, there are two lower limit mechanisms, which are respectively located on both sides of the equipment base. The lower limit mechanisms include two lower support plates and two lower limit rollers. The lower support plates are fixedly connected to the surface of the equipment base, and the two lower limit rollers are rotatably connected to the surface of the lower support plates.

[0010] Preferably, there are two upper limit mechanisms, which are respectively located on both sides of the drying box. The upper limit mechanism includes an upper support plate, an electric telescopic rod, a support frame and an upper limit roller. The upper support plate is fixedly connected to the side of the drying box, the electric telescopic rod is fixedly connected to the lower surface of the upper support plate, the support frame is fixedly connected to the end of the electric telescopic rod, the upper limit roller is rotatably connected to the inner wall of the support frame, and the upper limit roller is located directly above the middle position of the two lower limit rollers.

[0011] Preferably, a collecting tank is provided at the inner bottom of the drying box.

[0012] Preferably, a box cover is hinged on the surface of the drying box.

[0013] Preferably, a temperature sensor is provided on the inner wall of the drying box.

[0014] Beneficial Effects

[0015] The utility model provides a TPU film heating and drying device for automobile paint protection, which has the following beneficial effects:

[0016] 1. The TPU film heating and drying equipment for automobile paint protection can clamp and fix the end of the film in the slot of the elastic clamping plate when installing the TPU film, and then use the servo motor to drive the lead screw to rotate, and limit the support rod through the strip slide groove, so that the support rod can slide from left to right along the strip slide groove, thereby driving the TPU film to pass through the drying box, and realizing the installation of the TPU film. The operation process is time-saving, labor-saving and convenient, and can effectively avoid the occurrence of scratches on the TPU film due to misoperation.

[0017] 2. The TPU film heating and drying equipment for automobile paint protection can blow air to the TPU film to remove part of the water stains on its surface by setting a negative ion fan, and can also remove static electricity on the surface of the TPU film, thereby effectively avoiding dust adsorption on the surface of the TPU film and improving the quality of the TPU film.

[0018] 3. The TPU film heating and drying equipment for automobile paint protection can quickly discharge the water vapor generated in the drying box by setting an exhaust fan, thereby improving the drying efficiency of the PUT film. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a right-side structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the top-sectional structure of the utility model;

[0022] Figure 4 It is a front view structural schematic diagram of the utility model.

[0023] In the figure: 1. Equipment base; 2. Drying box; 3. Lower limit mechanism; 4. Upper limit mechanism; 5. Negative ion fan; 6. Exhaust fan; 7. Drying mechanism; 8. Blower; 9. Heating box; 10. Air pipe; 11. Nozzle; 12. Pipeline; 13. Strip slide; 14. Support rod; 15. Elastic clamping plate; 16. Slot; 17. Lead screw; 18. Servo motor; 19. Lower support plate; 20. Lower limit roller; 21. Upper support plate; 22. Electric telescopic rod; 23. Support frame; 24. Upper limit roller; 25. Collecting tank; 26. Box cover; 27. Temperature sensor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides a technical solution: a TPU film heating and drying device for automobile paint protection, comprising a device base 1, a drying box 2 and a lower limit mechanism 3 are fixedly connected to the surface of the device base 1, an upper limit mechanism 4 is fixedly connected to the side of the drying box 2, a negative ion fan 5, an exhaust fan 6 and a drying mechanism 7 are respectively arranged on the drying box 2, the drying mechanism 7 comprises a blower 8, two heating boxes 9, two air pipes 10 and a plurality of nozzles 11, a plurality of electric heating wires are arranged in the heating box 9, the blower 8 is arranged on the rear surface of the drying box 2, the heating box 9 is respectively fixedly connected to the upper and lower inner walls of the drying box 2, the air pipe 10 is interconnected with the heating box 9 through a pipeline 12, the nozzles 11 are equidistantly arranged on the surface of the air pipe 10, a strip chute 13 is opened on the surface of the device base 1, and a support rod 14 is slidably connected to the inner wall of the strip chute 13, An elastic clamping plate 15 is fixedly installed on the surface of the support rod 14 by bolts, and a groove 16 is opened on the surface of the elastic clamping plate 15. The inner wall of the strip slide 13 is also rotatably connected with a screw 17, and the screw 17 and the support rod 14 are threadedly connected. A servo motor 18 is fixedly connected to the side of the equipment base 1, and the rotating end of the servo motor 18 is fixedly connected to the screw 17. When installing the TPU film, the end of the film can be clamped and fixed in the groove 16 of the elastic clamping plate 15, and then the servo motor 18 is used to drive the screw 17 to rotate. The support rod 14 is limited by the strip slide 13, so that the support rod 14 can slide from left to right along the strip slide 13, thereby driving the TPU film to pass through the drying box 2, thereby realizing the installation of the TPU film. The operation process is time-saving, labor-saving and convenient, and can effectively avoid the occurrence of misoperation scratching the TPU film.

[0026] By providing the exhaust fan 6, the water vapor generated in the drying box 2 can be quickly discharged, thereby improving the drying efficiency of the TPU film.

[0027] The air delivery pipe 10 is in an S-shape, and the pipes 12 are respectively located at both ends of the air delivery pipe 10. By arranging the air delivery pipe 10 in an S-shape, it is convenient for multiple nozzles 11 to spray uniformly.

[0028] There are two lower limit mechanisms 3, which are respectively located on both sides of the equipment base 1. The lower limit mechanism 3 includes two lower support plates 19 and two lower limit rollers 20. The lower support plate 19 is fixedly connected to the surface of the equipment base 1, and the two lower limit rollers 20 are rotatably connected to the surface of the lower support plate 19.

[0029] There are two upper limit mechanisms 4, which are respectively located on both sides of the drying box 2. The upper limit mechanism 4 includes an upper support plate 21, an electric telescopic rod 22, a support frame 23 and an upper limit roller 24. The upper support plate 21 is fixedly connected to the side of the drying box 2, the electric telescopic rod 22 is fixedly connected to the lower surface of the upper support plate 21, the support frame 23 is fixedly connected to the end of the electric telescopic rod 22, the upper limit roller 24 is rotatably connected to the inner wall of the support frame 23, and the upper limit roller 24 is located directly above the middle position of the two lower limit rollers 20. By setting the lower limit mechanism 3 and the upper limit mechanism 4, when the TPU film passes between the upper limit roller 24 and the lower limit roller 20, the electric telescopic rod 22 is extended to drive the upper limit roller 24 to move downward, so that the two ends of the TPU film can be tightened, so that the TPU film is in a stretched state, which is conducive to drying it.

[0030] A collecting slot 25 is provided at the inner bottom of the drying box 2. By providing the negative ion blower 5, the TPU film can be blown to blow off part of the water stains on its surface, and the static electricity on the surface of the TPU film can be removed, thereby effectively preventing dust from being adsorbed on the surface of the TPU film and improving the quality of the TPU film. By providing the collecting slot 25, the water stains dropped in the drying box 2 can be collected, which is conducive to the cleanliness of the table.

[0031] A box cover plate 26 is hingedly connected to the surface of the drying box 2. By providing the box cover plate 26, the front end of the drying box 2 can be covered, which is conducive to rapid temperature rise inside the drying box 2.

[0032] The inner wall of the drying box 2 is provided with a temperature sensor 27. By providing the temperature sensor 27, the interior of the drying box 2 can be detected, thereby ensuring that the temperature in the drying box 2 is constant.

[0033] Working principle: When the TPU film heating and drying equipment for automobile paint protection is in use, the TPU film can be first clamped and fixed in the slot 16 on the surface of the elastic clamping plate 15, and then the servo motor 18 is used to drive the lead screw 17 to rotate, and the support rod 14 is limited by the strip slide 13, so that the support rod 14 can slide from left to right along the strip slide 13, thereby driving the TPU film to pass through the drying box 2. After the TPU film passes through the drying box 2, the bolts on the surface of the elastic clamping plate 15 can be removed, thereby realizing the disassembly of the elastic clamping plate 15, and the end of the TPU film is fixedly connected to the winding roller of the winding device, and finally the installation of the TPU film is completed, and the operation process saves time and energy. It is convenient and can effectively avoid the situation where the TPU film is scratched by misoperation. After the TPU film is installed, the box cover 26 can be covered, and then the negative ion fan 5, the exhaust fan 6 and the drying mechanism 7 can be started. The negative ion fan 5 can be used to remove part of the water stains and static electricity on the surface of the TPU film. The exhaust fan 6 can be used to quickly discharge the water vapor generated in the drying box 2, thereby improving the drying efficiency of the PUT film. The drying equipment is used to blow air into the two heating boxes 9 through the blower 8, and then the air in the heating box 9 is heated by the electric heating wire, and then the hot air is ejected from the nozzle 11 through the air supply pipe 10, so as to dry the TPU film, thereby finally completing the drying work.

[0034] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A TPU film heating and drying device for automobile paint protection, comprising a device base (1), Features: The surface of the equipment base (1) is respectively fixedly connected with a drying box (2) and a lower limit mechanism (3); the side of the drying box (2) is fixedly connected with an upper limit mechanism (4); the drying box (2) is respectively provided with a negative ion fan (5), an exhaust fan (6) and a drying mechanism (7); the drying mechanism (7) comprises a blower (8), two heating boxes (9), two air pipes (10) and a plurality of nozzles (11); the blower (8) is arranged on the rear surface of the drying box (2); the heating box (9) is respectively fixedly connected to the upper and lower inner walls of the drying box (2); the air pipe (10) is connected to the heating box (9) through a pipe (12); The nozzles (11) are arranged at equal intervals on the surface of the gas delivery pipe (10); a strip-shaped slide groove (13) is provided on the surface of the equipment base (1); a support rod (14) is slidably connected to the inner wall of the strip-shaped slide groove (13); an elastic clamping plate (15) is fixedly installed on the surface of the support rod (14) by bolts; a clamping groove (16) is provided on the surface of the elastic clamping plate (15); a lead screw (17) is rotatably connected to the inner wall of the strip-shaped slide groove (13); and the lead screw (17) and the support rod (14) are threadedly connected; a servo motor (18) is fixedly connected to the side of the equipment base (1); and a rotating end of the servo motor (18) is fixedly connected to the lead screw (17).

2. A TPU film heating and drying device for automobile paint protection according to claim 1, Features: The gas delivery pipe (10) is in an S-shape, and the pipelines (12) are respectively located at two ends of the gas delivery pipe (10).

3. The TPU film heating and drying device for automobile paint protection according to claim 1, Features: There are two lower limit mechanisms (3), which are respectively located on two sides of the device base (1). The lower limit mechanism (3) comprises two lower support plates (19) and two lower limit rollers (20). The lower support plate (19) is fixedly connected to the surface of the device base (1), and the two lower limit rollers (20) are rotatably connected to the surface of the lower support plate (19).

4. The TPU film heating and drying device for automobile paint protection according to claim 3, Features: There are two upper limit mechanisms (4), which are respectively located on both sides of the drying box (2). The upper limit mechanism (4) comprises an upper support plate (21), an electric telescopic rod (22), a support frame (23) and an upper limit roller (24). The upper support plate (21) is fixedly connected to the side of the drying box (2), the electric telescopic rod (22) is fixedly connected to the lower surface of the upper support plate (21), the support frame (23) is fixedly connected to the end of the electric telescopic rod (22), the upper limit roller (24) is rotatably connected to the inner wall of the support frame (23), and the upper limit roller (24) is located directly above the middle position of the two lower limit rollers (20).

5. The TPU film heating and drying device for automobile paint protection according to claim 1, Features: The inner bottom of the drying box (2) is provided with a collecting tank (25).

6. The TPU film heating and drying device for automobile paint protection according to claim 1, Features: A box cover plate (26) is hingedly connected to the surface of the drying box (2).

7. The TPU film heating and drying device for automobile paint protection according to claim 1, Features: The inner wall of the drying box (2) is provided with a temperature sensor (27).

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