Punching device for automobile fender machining

Abstract

The utility model provides a punching device for machining an automobile fender. The punching device comprises a machine tool; the L-shaped plate is arranged on one side of the machine tool; the first air cylinder is mounted at the top of the L-shaped plate; the driving unit is mounted at the output end of the first air cylinder; the drill bit is connected with one end of the driving unit; the bottom of the driving unit is rotationally provided with a sleeve, the sleeve is connected to the top of the drill bit in a sleeving mode, the top of the drill bit is connected to one end of the driving unit in a sleeving mode, the sleeve is internally provided with a buffer spring, and the bottom of the buffer spring is connected with the outer wall of the top of the drill bit. In the punching process of the fender, the drill bit can be buffered through the arranged buffer spring, so that the situation that the fender is sunken and damaged due to too large pressure is prevented, the drill bit arranged on the driving shaft in a sleeving mode can move up and down, and buffering is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of automobile part processing, in particular to a punching device for processing automobile fenders. Background Technique

[0002] The fender is an indispensable automobile part in the automobile production process. The fender needs to be processed before use. Among them, punching the fender is one of the processing steps. Therefore, a punching device for punching the automobile fender is required.

[0003] The prior art can refer to the Chinese authorized utility model patent with the publication number of CN220296458U. The prior art is specifically a punching device for processing automobile fenders, including a machine tool, a punching motor, a punching drill bit, a processing frame, an adjusting seat and an adjusting end. The punching motor is arranged above the machine tool, the punching drill bit is arranged at the bottom end of the punching motor, and the processing frame is arranged below the punching drill bit. The prior art can mainly clamp the fender plate body by adjusting the positions of the connecting column and the movable bracket, so as to prevent the position from shifting easily during punching.

[0004] The above prior art has the following deficiencies in actual implementation: the drill bit cannot be buffered during punching, and the fender cannot be buffered and protected. The overall shape of the fender is often irregular. When the fender is placed on the machine tool in the prior art, part of the fender will be suspended. When punching, when the downward pressure of the drill bit is large, it may cause the fender to be sunken and deformed, and then the fender cannot be used continuously. Summary of the Utility Model

[0005] To solve the above problems, the utility model provides a punching device for processing automobile fenders to solve the problem that the drill bit cannot be buffered during punching and the fender cannot be buffered and protected in the above prior art.

[0006] To achieve the above object, a punching device for processing automobile fenders provided by the utility model includes: a machine tool; an L-shaped plate arranged on one side of the machine tool; a first cylinder installed on the top of the L-shaped plate; a driving unit installed on the output end of the first cylinder; and a drill bit connected to one end of the driving unit. A sleeve is rotatably installed at the bottom of the driving unit. The sleeve is sleeved on the top of the drill bit. The top of the drill bit is sleeved on one end of the driving unit. A buffer spring is arranged inside the sleeve. The bottom of the buffer spring is connected to the outer wall of the top of the drill bit. The top of the buffer spring is connected to the inner top of the sleeve. One end of the driving unit passes through the buffer spring and is connected to the drill bit.

[0007] Further, the driving unit includes a motor box fixedly installed on the output end of the first cylinder, a driving motor installed inside the motor box, and a driving shaft installed on the output end of the driving motor; one end of the driving shaft extends into the inside of the sleeve drill bit, and a plurality of strip-shaped chutes are formed on the outer wall of the driving shaft, and a plurality of bumps corresponding to the strip-shaped chutes are arranged on the inner wall of the drill bit.

[0008] Further, a second chute is formed at the top of the L-shaped plate, a clamping plate is slidably arranged inside the second chute, and the first cylinder is installed on the top of the clamping plate.

[0009] Further, a guide rail is installed on one side of the machine tool, a slider is connected in a matching manner on the guide rail, and the L-shaped plate is installed on the slider.

[0010] Further, a plurality of rubber rings are arranged on the outer wall of the sleeve.

[0011] Further, an installation box is arranged at the bottom of the machine tool, a plurality of first socket cylinders are arranged inside the installation box, a spring is arranged inside the first socket cylinder, the top of the spring is connected with a first movable cylinder, and the tops of the plurality of first movable cylinders are jointly connected with a supporting plate.

[0012] Further, first vertical plates are arranged above both ends of the machine tool, a second vertical plate is arranged at the top of the first vertical plate, a third vertical plate is arranged at the bottom of one end of the second vertical plate, a plurality of second socket cylinders are arranged at the bottom of the third vertical plate, a spring is arranged inside the second socket cylinder, the bottom of the spring is connected with a second movable cylinder, and a pressing end is arranged at the bottom of the second movable cylinder.

[0013] Further, guide columns are arranged at both ends of the machine tool, the first vertical plate is slidably connected with the guide columns, second cylinders are arranged at both ends of the bottom of the machine tool, and the output end of the second cylinder is fixedly connected with the bottom of the first vertical plate.

[0014] Further, a first chute is formed at one end of the second vertical plate, a slider is slidably arranged inside the first chute, and the bottom of the slider is connected with the third vertical plate.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] First, during the punching process of the fender, the buffer spring can buffer the drill bit, thereby preventing the fender from being dented and damaged due to excessive pressure. The drill bit sleeved on the driving shaft can move up and down, which is convenient for buffering.

[0017] Second, place the fender on the supporting plate. During the punching process, after the fender and the supporting plate are subjected to pressure, they will press down the first movable cylinder. The first movable cylinder will contract and move inward into the first socket cylinder. The spring inside the first socket cylinder can buffer the supporting plate, and thus buffer and protect the fender.

[0018] Third, during punching, drive the first vertical plate to move downward through the second cylinder, and then drive the second vertical plate and the third vertical plate to move downward, so that the pressing end contacts the fender to press and fix the fender, facilitating punching. The spring arranged inside the second socket cylinder can protect the fender to prevent damage to the fender caused by excessive pressing force. The position of the third vertical plate can be conveniently moved through the arranged first sliding groove and slider.

[0019] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings

[0020] Figure 1 is the first three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 2 is the second three-dimensional structure schematic diagram of the present utility model;

[0022] Figure 3 is the structure schematic diagram of the clamping plate in the present utility model;

[0023] Figure 4 is the internal structure schematic diagram of the installation box in the present utility model;

[0024] Figure 5 is the cross-sectional view of the motor box in the present utility model;

[0025] Figure 6 is the cross-sectional view of the sleeve in the present utility model;

[0026] Figure 7 is the structure schematic diagram of the third vertical plate in the present utility model.

[0027] In the figure: 1. Machine tool; 2. Installation box; 3. Supporting plate; 4. Guide post; 5. First vertical plate; 6. Second vertical plate; 7. First sliding groove; 8. Guide rail; 9. L-shaped plate; 10. Second sliding groove; 11. First cylinder; 12. Third vertical plate; 13. Motor box; 14. Sleeve; 15. Second cylinder; 16. Drill bit; 17. Clamping plate; 18. First socket cylinder; 19. First movable cylinder; 20. Driving motor; 21. Driving shaft; 22. Strip-shaped sliding groove; 23. Buffer spring; 24. Second socket cylinder; 25. Second movable cylinder; 26. Pressing end. Specific Embodiments

[0028] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described with reference to the accompanying drawings. However, the protection scope of the present utility model is not limited to the following description.

[0029] Referring to Figures 1-7 As shown, a punching device for processing automobile fenders includes: a machine tool 1; an L-shaped plate 9 arranged on one side of the machine tool 1; a first cylinder 11 installed on the top of the L-shaped plate 9; a driving unit installed on the output end of the first cylinder 11; and a drill bit 16 connected to one end of the driving unit; a sleeve 14 is rotatably installed at the bottom of the driving unit, the sleeve 14 is sleeved on the top of the drill bit 16, the top of the drill bit 16 is sleeved on one end of the driving unit, a buffer spring 23 is arranged inside the sleeve 14, the bottom of the buffer spring 23 is connected to the outer wall of the top of the drill bit 16, the top of the buffer spring 23 is connected to the inner top of the sleeve 14, and one end of the driving unit passes through the buffer spring 23 and is connected to the drill bit 16;

[0030] The driving unit includes a motor box 13 fixedly installed on the output end of the first cylinder 11, a driving motor 20 installed inside the motor box 13, and a driving shaft 21 installed on the output end of the driving motor 20; one end of the driving shaft 21 extends into the drill bit 16 of the sleeve 14, and a plurality of strip-shaped chutes 22 are provided on the outer wall of the driving shaft 21, and a plurality of bumps corresponding to the strip-shaped chutes 22 are provided on the inner wall of the drill bit 16.

[0031] According to a technical solution provided by the present utility model, during use, the fender is placed on the machine tool 1, and then the first cylinder 11 drives the drill bit 16 to move downward, and the driving motor 20 drives the drill bit 16 to rotate, so that the fender can be punched. During the punching process of the fender, the buffer spring 23 provided can buffer the drill bit 16, thereby preventing the fender from being dented and damaged due to excessive pressure. The drill bit 16 sleeved on the driving shaft 21 can move up and down, which is convenient for buffering. The strip-shaped chutes 22 and the bumps provided enable the drill bit 16 to move up and down while rotating.

[0032] Preferably: a second chute 10 is provided on the top of the L-shaped plate 9, a clamping plate 17 is slidably arranged inside the second chute 10, the first cylinder 11 is installed on the top of the clamping plate 17, a guide rail 8 is installed on one side of the machine tool 1, a slider is connected in a matching manner on the guide rail 8, the L-shaped plate 9 is installed on the slider, and a plurality of rubber rings are arranged on the outer wall of the sleeve 14.

[0033] Specifically, the front-back and left-right positions of the drill bit 16 are conveniently adjusted through the provided guide rail 8 and the second sliding groove 10. When adjustment is required, hold the sleeve 14 by hand, and then pulling the sleeve 14 can drive the L-shaped plate 9 to move left and right on the guide rail 8. Pulling the sleeve 14 back and forth can drive the clamp 17 to move back and forth in the second sliding groove 10, thereby driving the drill bit 16 to move.

[0034] Preferably, an installation box 2 is provided at the bottom of the machine tool 1. A plurality of first socket cylinders 18 are provided inside the installation box 2. A spring is provided inside the first socket cylinder 18. The top of the spring is connected to a first movable cylinder 19. The tops of the plurality of first movable cylinders 19 are jointly connected to a support plate 3.

[0035] Specifically, when punching the fender, place the fender on the support plate 3. During the punching process, after the fender and the support plate are subjected to pressure, the first movable cylinder 19 will be pressed downward. The first movable cylinder 19 will contract and move inside the first socket cylinder 18. The spring inside the first socket cylinder 18 can buffer the support plate 3, thereby buffering and protecting the fender.

[0036] Preferably, first vertical plates 5 are arranged above both ends of the machine tool 1. A second vertical plate 6 is provided at the top of the first vertical plate 5. A third vertical plate 12 is provided at the bottom of one end of the second vertical plate 6. A plurality of second socket cylinders 24 are provided at the bottom of the third vertical plate 12. A spring is provided inside the second socket cylinder 24. The bottom of the spring is connected to a second movable cylinder 25. A pressing end 26 is provided at the bottom of the second movable cylinder 25. Guide columns 4 are provided at both ends of the machine tool 1. The first vertical plate 5 is slidably connected to the guide column 4. Second cylinders 15 are provided at both ends of the bottom of the machine tool 1. The output end of the second cylinder 15 is fixedly connected to the bottom of the first vertical plate 5. A first sliding groove 7 is provided at one end of the second vertical plate 6. A slider is slidably arranged inside the first sliding groove 7. The bottom of the slider is connected to the third vertical plate 12.

[0037] Specifically, during punching, the second cylinder 15 drives the first vertical plate 5 to move downward, thereby driving the second vertical plate 6 and the third vertical plate 12 to move downward, so that the pressing end 26 contacts the fender to press and fix the fender, facilitating punching. The spring provided inside the second socket cylinder 24 can protect the fender to prevent damage to the fender caused by excessive pressing force. The position of the third vertical plate 12 is conveniently moved through the provided first sliding groove 7 and the slider.

[0038] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited by this. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A punching device for processing automobile fenders, characterized in that, Including: Machine tool (1); An L-shaped plate (9) arranged on one side of the machine tool (1); A first cylinder (11) installed on the top of the L-shaped plate (9); A driving unit installed on the output end of the first cylinder (11); And a drill bit (16) connected to one end of the driving unit; A sleeve (14) is rotatably installed at the bottom of the driving unit. The sleeve (14) is sleeved on the top of the drill bit (16). The top of the drill bit (16) is sleeved on one end of the driving unit. A buffer spring (23) is arranged inside the sleeve (14). The bottom of the buffer spring (23) is connected to the outer wall of the top of the drill bit (16). The top of the buffer spring (23) is connected to the inner top of the sleeve (14). One end of the driving unit passes through the buffer spring (23) and is connected to the drill bit (16).

2. The punching device for processing automobile fenders according to claim 1, wherein: The driving unit includes a motor box (13) fixedly installed on the output end of the first cylinder (11), a driving motor (20) installed inside the motor box (13), and a driving shaft (21) installed on the output end of the driving motor (20); One end of the driving shaft (21) extends into the drill bit (16) of the sleeve (14). A plurality of strip-shaped chutes (22) are provided on the outer wall of the driving shaft (21). A plurality of bumps corresponding to the strip-shaped chutes (22) are provided on the inner wall of the drill bit (16).

3. The punching device for processing automobile fenders according to claim 1, characterized in that: A second chute (10) is provided on the top of the L-shaped plate (9). A clamping plate (17) is slidably arranged inside the second chute (10). The first cylinder (11) is installed on the top of the clamping plate (17).

4. The punching device for processing automobile fenders according to claim 1, wherein: A guide rail (8) is installed on one side of the machine tool (1). A slider is connected in a matching manner on the guide rail (8). The L-shaped plate (9) is installed on the slider.

5. The punching device for processing automobile fenders according to claim 1, characterized in that: A plurality of rubber rings are provided on the outer wall of the sleeve (14).

6. A punching device for processing automotive fenders according to claim 1, characterized in that: An installation box (2) is provided at the bottom of the machine tool (1). A plurality of first socket cylinders (18) are arranged inside the installation box (2). A spring is arranged inside the first socket cylinder (18). The top of the spring is connected to a first movable cylinder (19). The tops of the plurality of first movable cylinders (19) are jointly connected to a supporting plate (3).

7. An punching device for processing automobile fenders according to claim 1, characterized in that: First vertical plates (5) are arranged above both ends of the machine tool (1). A second vertical plate (6) is provided on the top of the first vertical plate (5). A third vertical plate (12) is provided at the bottom of one end of the second vertical plate (6). A plurality of second socket cylinders (24) are provided at the bottom of the third vertical plate (12). A spring is arranged inside the second socket cylinder (24). The bottom of the spring is connected to a second movable cylinder (25). A pressing end (26) is provided at the bottom of the second movable cylinder (25).

8. An punching device for processing automobile fenders according to claim 7, characterized in that: Guide columns (4) are provided at both ends of the machine tool (1). The first vertical plate (5) is slidably connected to the guide columns (4). Second cylinders (15) are provided at both bottom ends of the machine tool (1). The output end of the second cylinder (15) is fixedly connected to the bottom of the first vertical plate (5).

9. The punching device for processing automobile fenders according to claim 7, characterized in that: One end of the second vertical plate (6) is provided with a first sliding groove (7), a slider is slidably arranged inside the first sliding groove (7), and the bottom of the slider is connected to the third vertical plate (12).

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