Automobile assembly welding device

Abstract

The utility model relates to the technical field of welding, in particular to an automobile assembly welding device which can perform circumferential welding on a part to be welded, is suitable for parts with different lengths and different diameters, and is convenient to use and high in practicability. Comprising a baseplate; the welding machine further comprises a moving mechanism, a welding mechanism, a supporting plate, a fixing plate, two sets of three-jaw chucks and a servo motor, the supporting plate is fixedly installed on the bottom plate, the fixing plate is installed on the bottom plate through the moving mechanism, rotating shafts are arranged on the supporting plate and the fixing plate correspondingly, the two sets of rotating shafts are rotatably installed on the supporting plate and the fixing plate correspondingly, and the two sets of rotating shafts are coaxial. The two sets of three-jaw chucks are fixedly installed on the two sets of rotating shafts respectively, the servo motor is fixedly installed on the supporting plate, the rotating shafts on the supporting plate are connected with the servo motor, and the welding mechanism is located above the two sets of three-jaw chucks.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding device for automobile assemblies. Background Technique

[0002] In the process of automobile production and processing, it is often necessary to perform combined welding on the components of the automobile; for example, the heating rods inside the vehicle body sometimes need to use two rods to be fixedly welded to a specified length, as shown in the attached Figure 5 description. When combining and welding the round rod A and the round rod B into a body strengthening rod of the required length, in order to improve the strength after the connection of the round rod A and the round rod B, first, mutually matching protrusions and grooves are processed on the round rod A and the round rod B respectively. During welding, the protrusion on the round rod A is inserted into the groove on the round rod B, and then the connection part of the round rod A and the round rod B is fixedly welded. In the prior art, the utility model patent with the patent application number 202021454228.5 discloses a welding and forming tooling for automobile parts, which is mainly composed of a clamping mechanism and a welding mechanism. When in use, the parts to be welded are fixed by the clamping mechanism, and then the parts to be welded are welded by the welding mechanism. The inventor believes that there are the following problems in the use process. When welding cylindrical objects, circumferential welding is usually required, but the welding device in the above prior art cannot perform circumferential welding on objects, and has high use limitations and is inconvenient to use. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a welding device for automobile assemblies that can perform circumferential welding on the parts to be welded, is applicable to parts of different lengths and different diameters, is convenient to use, and has high practicability.

[0004] The welding device for automobile assemblies of the utility model includes a bottom plate; it also includes a moving mechanism, a welding mechanism, a support plate, a fixing plate, two sets of three-jaw chucks and a servo motor. The support plate is fixedly installed on the bottom plate, the fixing plate is installed on the bottom plate through the moving mechanism. Rotating shafts are arranged on both the support plate and the fixing plate. The two sets of rotating shafts are respectively rotatably installed on the support plate and the fixing plate, and the two sets of rotating shafts are coaxial. The two sets of three-jaw chucks are respectively fixedly installed on the two sets of rotating shafts. The servo motor is fixedly installed on the support plate, and the rotating shaft on the support plate is connected to the servo motor. The welding mechanism is located above the two sets of three-jaw chucks; when welding to form a vehicle body reinforcing bar, it is necessary to first clamp and fix the round bar A and the round bar B respectively through the two sets of three-jaw chucks, and then through the moving mechanism, the fixing plate drives the right rotating shaft and the three-jaw chuck to move leftward. The three-jaw chuck drives the round bar B to move leftward, so that the rectangular protrusion on the right part of the round bar A is inserted into the rectangular groove of the round bar B. Then, the welding mechanism welds the butt joint part of the round bar A and the round bar B. At the same time, turn on the servo motor, and the servo motor drives the round bar A and the round bar B to rotate through the rotating shaft. During the rotation of the round bar A and the round bar B, the welding mechanism evenly welds the butt joint part; it can perform circumferential welding on the parts to be welded, is easy to use, and has high practicability.

[0005] Preferably, the moving mechanism includes an electric slide rail A and a sliding plate. The electric slide rail A is fixedly installed on the bottom plate, the sliding plate is installed on the electric slide rail A, and the electric slide rail A is used to move the sliding plate left and right. The fixing plate is fixedly installed at the upper end of the sliding plate; when fixedly welding the round bar A and the round bar B, after clamping and fixing the round bar B through the three-jaw chuck on the right side, turn on the electric slide rail A. The electric slide rail A drives the fixing plate to move leftward through the sliding plate, and the fixing plate drives the round bar B to move leftward through the three-jaw chuck on the right side until the round bar A and the round bar B are butted; because it can move the round bar B left and right, it can be applicable to round bar A and round bar B of different lengths, and has low limitations.

[0006] Preferably, the welding mechanism includes a hoisting frame, an electric slide rail B, a sliding plate, a lifting mechanism and a welding assembly. The electric slide rail B is installed at the lower end of the hoisting frame, the sliding plate is installed on the electric slide rail B, and the welding assembly is installed on the sliding plate through the lifting mechanism. The electric slide rail B is used to move the sliding plate left and right, and the welding assembly has the functions of welding and rust removal; the hoisting frame is fixedly hoisted on the bracket in the workshop. When fixedly welding the round bar A and the round bar B, the sliding plate is moved through the electric slide rail B, and the sliding plate drives the welding assembly to move to the upper part of the butt joint part of the round bar A and the round bar B through the lifting mechanism. Then, turn on the welding assembly to weld the butt joint part of the round bar A and the round bar B to fixedly weld them into a vehicle body reinforcing bar.

[0007] Preferably, the lifting mechanism includes a hydraulic cylinder, a push rod, and a fixed block. The hydraulic cylinder is fixedly installed at the lower end of the sliding plate. The upper end of the push rod is connected to the output end of the hydraulic cylinder. The fixed block is fixedly installed at the lower end of the push rod, and the welding assembly is installed on the fixed block. When welding the docking part of rod A and rod B, open the hydraulic cylinder. The hydraulic cylinder drives the fixed block to drive the welding assembly to move downward through the push rod until the distance between the welding assembly and rod A and rod B is a suitable welding distance. Then, weld rod A and rod B through the welding assembly. It can adjust the height of the welding assembly, is suitable for rod A and rod B with different diameters, is convenient to use, and has low limitations.

[0008] Preferably, the welding assembly includes a stepper motor, a rotating shaft, a welding torch, and a laser rust remover. The stepper motor is fixedly installed at the left end of the fixed block. The rotating shaft is rotatably installed on the fixed block. The left end of the rotating shaft is connected to the output end of the stepper motor. The welding torch and the laser rust remover are respectively fixedly installed at the lower and upper parts of the rotating shaft. When welding rod A and rod B, make the fixed block drive the rotating shaft to move downward. The rotating shaft drives the welding torch to move downward until the distance between the welding torch and rod A and rod B is a suitable welding distance. Then, weld the docking part of rod A and rod B through the welding torch. When the outer surfaces of rod A and rod B are rusty, open the stepper motor. The stepper motor drives the rotating shaft to rotate, and then makes the laser rust remover on the rotating shaft rotate to the side close to rod A and rod B. Remove the rust of rod A and rod B through the laser rust remover. It can not only weld but also remove rust, improving convenience.

[0009] Preferably, a leakage protector is provided on the stepper motor. Through the above setting, the safety of the stepper motor during use is improved.

[0010] Preferably, a high-temperature resistant coating is provided on the surface of the electric slide rail A. Through the above setting, the high-temperature resistant effect of the electric slide rail A is improved, and the service life of the electric slide rail A is improved.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: It can perform circumferential welding on the components to be welded, and is suitable for components with different lengths and different diameters, is convenient to use, and has high practicability. Description of the Drawings

[0012] Figure 1 is the first axonometric structure schematic diagram of the present utility model;

[0013] Figure 2 is the second axonometric structure schematic diagram of the present utility model;

[0014] Figure 3 is the structure schematic diagram of the welding assembly;

[0015] Figure 4 It is a schematic structural diagram of the electric slide rail B, the sliding plate, the hydraulic cylinder, etc.;

[0016] Figure 5 It is a schematic structural diagram of the round rod A and the round rod B.

[0017] Reference numerals in the drawings: 1, round rod A; 2, round rod B; 3, bottom plate; 4, support plate; 5, fixing plate; 6, three-jaw chuck; 7, servo motor; 8, electric slide rail A; 9, sliding plate; 10, lifting frame; 11, electric slide rail B; 12, sliding plate; 13, hydraulic cylinder; 14, push rod; 15, fixing block; 16, stepping motor; 17, rotating shaft; 18, welding torch; 19, laser rust remover. Specific embodiments

[0018] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0019] Embodiment 1

[0020] As Figures 1 to 5 , the automotive assembly welding device of the present invention includes a bottom plate 3, a moving mechanism, a welding mechanism, a support plate 4, a fixing plate 5, two groups of three-jaw chucks 6 and a servo motor 7. The support plate 4 is fixedly installed on the bottom plate 3. The fixing plate 5 is installed on the bottom plate 3 through the moving mechanism. Rotating shafts are provided on both the support plate 4 and the fixing plate 5. The two groups of rotating shafts are respectively rotatably installed on the support plate 4 and the fixing plate 5. The two groups of rotating shafts are coaxial. The two groups of three-jaw chucks 6 are respectively fixedly installed on the two groups of rotating shafts. The servo motor 7 is fixedly installed on the support plate 4. The rotating shaft on the support plate 4 is connected to the servo motor 7. The welding mechanism is located above the two groups of three-jaw chucks 6; when welding the body reinforcement bar, it is necessary to first clamp and fix the round rod A 1 and the round rod B 2 respectively through the two groups of three-jaw chucks 6, and then move the fixing plate 5 to drive the right rotating shaft and the three-jaw chuck 6 to move leftward through the moving mechanism. The three-jaw chuck 6 drives the round rod B 2 to move leftward, so that the rectangular protrusion on the right part of the round rod A 1 is inserted into the rectangular groove of the round rod B 2. Then, the welding mechanism welds the butt joint part of the round rod A 1 and the round rod B 2. At the same time, turn on the servo motor 7. The servo motor 7 drives the three-jaw chuck 6 to drive the round rod A 1 and the round rod B 2 to rotate through the rotating shaft. During the rotation of the round rod A 1 and the round rod B 2, the welding mechanism welds the butt joint part evenly; it can perform circumferential welding on the parts to be welded, is easy to use, and has high practicability.

[0021] As Figure 1, the moving mechanism includes an electric slide rail A8 and a sliding plate 9. The electric slide rail A8 is fixedly installed on the bottom plate 3, and the sliding plate 9 is installed on the electric slide rail A8. The electric slide rail A8 is used to move the sliding plate 9 left and right. The fixing plate 5 is fixedly installed at the upper end of the sliding plate 9. When fixedly welding the round rod A1 and the round rod B2, after clamping and fixing the round rod B2 through the three-jaw chuck 6 on the right side, turn on the electric slide rail A8. The electric slide rail A8 moves the fixing plate 5 to the left through the sliding plate 9, and the fixing plate 5 moves the round rod B2 to the left through the three-jaw chuck 6 on the right side until the round rod A1 and the round rod B2 are butted. Since it can move the round rod B2 left and right, it can be applicable to round rods A1 and B2 of different lengths, with low limitations.

[0022] As Figure 4 , the welding mechanism includes a lifting frame 10, an electric slide rail B11, a sliding plate 12, a lifting mechanism and a welding component. The electric slide rail B11 is installed at the lower end of the lifting frame 10, the sliding plate 12 is installed on the electric slide rail B11, and the welding component is installed on the sliding plate 12 through the lifting mechanism. The electric slide rail B11 is used to move the sliding plate 12 left and right. The welding component has the functions of welding and rust removal. The lifting frame 10 is fixedly hoisted on the bracket in the workshop. When fixedly welding the round rod A1 and the round rod B2, move the sliding plate 12 through the electric slide rail B11. The sliding plate 12 moves the welding component to the upper part of the butting part of the round rod A1 and the round rod B2 through the lifting mechanism. Then turn on the welding component and weld the butting part of the round rod A1 and the round rod B2 to fixedly weld them into a vehicle body reinforcing bar.

[0023] As Figure 3 , the lifting mechanism includes a hydraulic cylinder 13, a push rod 14 and a fixing block 15. The hydraulic cylinder 13 is fixedly installed at the lower end of the sliding plate 12. The upper end of the push rod 14 is connected to the output end of the hydraulic cylinder 13. The fixing block 15 is fixedly installed at the lower end of the push rod 14. The welding component is installed on the fixing block 15. When welding the butting part of the round rod A1 and the round rod B2, turn on the hydraulic cylinder 13. The hydraulic cylinder 13 drives the fixing block 15 to drive the welding component to move downward through the push rod 14 until the distance between the welding component and the round rod A1 and the round rod B2 is a suitable welding distance. Then weld the round rod A1 and the round rod B2 through the welding component. It can adjust the height of the welding component, is applicable to round rods A1 and B2 of different diameters, is convenient to use, and has low limitations.

[0024] The welding assembly includes a stepping motor 16, a rotating shaft 17, a welding torch 18, and a laser rust remover 19. The stepping motor 16 is fixedly installed at the left end of the fixed block 15. The rotating shaft 17 is rotatably installed on the fixed block 15. The left end of the rotating shaft 17 is connected to the output end of the stepping motor 16. The welding torch 18 and the laser rust remover 19 are respectively fixedly installed at the lower and upper parts of the rotating shaft 17. When welding the round rod A1 and the round rod B2, the fixed block 15 drives the rotating shaft 17 to move downward, and the rotating shaft 17 drives the welding torch 18 to move downward until the distance between the welding torch 18 and the round rod A1 and the round rod B2 is suitable for welding. Then, the welding torch 18 welds the butt joint part of the round rod A1 and the round rod B2. When the outer surfaces of the round rod A1 and the round rod B2 are rusty, the stepping motor 16 is turned on. The stepping motor 16 drives the rotating shaft 17 to rotate, so that the laser rust remover 19 on the rotating shaft 17 rotates to the side close to the round rod A1 and the round rod B2, and the round rod A1 and the round rod B2 can be rust-removed by the laser rust remover 19. It can not only perform welding but also rust removal, improving convenience.

[0025] A leakage protector is provided on the stepping motor 16, and a high-temperature resistant coating is provided on the surface of the electric slide rail A8.

[0026] Embodiment 2

[0027] On the basis of Embodiment 1, the servo motor 7 can also adopt an electric turntable, and the rotating shaft can also be rotated through the electric turntable.

[0028] The three-jaw chuck 6, the servo motor 7, the electric slide rail A8, the electric slide rail B11, the hydraulic cylinder 13, the welding torch 18, and the laser rust remover 19 of the welding device for the automotive assembly of the present utility model are all purchased on the market. Those skilled in the art only need to install and operate according to the attached user manual, without the need for creative labor from those skilled in the art.

[0029] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An automobile assembly welding device, comprising a bottom plate (3); characterized in that, It also includes a moving mechanism, a welding mechanism, a support plate (4), a fixing plate (5), two sets of three-jaw chucks (6) and a servo motor (7). The support plate (4) is fixedly installed on the bottom plate (3). The fixing plate (5) is installed on the bottom plate (3) through the moving mechanism. Rotating shafts are provided on both the support plate (4) and the fixing plate (5). The two sets of rotating shafts are respectively rotatably installed on the support plate (4) and the fixing plate (5). The two sets of rotating shafts are coaxial. The two sets of three-jaw chucks (6) are respectively fixedly installed on the two sets of rotating shafts. The servo motor (7) is fixedly installed on the support plate (4). The rotating shaft on the support plate (4) is connected to the servo motor (7). The welding mechanism is located above the two sets of three-jaw chucks (6).

2. The welding device for an automotive assembly according to claim 1, characterized in that, The moving mechanism includes an electric slide rail A (8) and a sliding plate (9). The electric slide rail A (8) is fixedly installed on the bottom plate (3). The sliding plate (9) is installed on the electric slide rail A (8). The electric slide rail A (8) is used to move the sliding plate (9) left and right. The fixing plate (5) is fixedly installed at the upper end of the sliding plate (9).

3. A welding device for an automotive assembly according to claim 1, characterized in that, The welding mechanism includes a hoisting frame (10), an electric slide rail B (11), a sliding plate (12), a lifting mechanism and a welding component. The electric slide rail B (11) is installed at the lower end of the hoisting frame (10). The sliding plate (12) is installed on the electric slide rail B (11). The welding component is installed on the sliding plate (12) through the lifting mechanism. The electric slide rail B (11) is used to move the sliding plate (12) left and right. The welding component has the functions of welding and rust removal.

4. The welding device for an automotive assembly according to claim 3, wherein, The lifting mechanism includes a hydraulic cylinder (13), a push rod (14) and a fixing block (15). The hydraulic cylinder (13) is fixedly installed at the lower end of the sliding plate (12). The upper end of the push rod (14) is connected to the output end of the hydraulic cylinder (13). The fixing block (15) is fixedly installed at the lower end of the push rod (14). The welding component is installed on the fixing block (15).

5. The welding device for an automotive assembly according to claim 3, characterized in that The welding component includes a stepping motor (16), a rotating shaft (17), a welding torch (18) and a laser rust remover (19). The stepping motor (16) is fixedly installed at the left end of the fixing block (15). The rotating shaft (17) is rotatably installed on the fixing block (15). The left end of the rotating shaft (17) is connected to the output end of the stepping motor (16). The welding torch (18) and the laser rust remover (19) are respectively fixedly installed at the lower and upper parts of the rotating shaft (17).

6. The welding device for an automotive assembly according to claim 5, characterized in that, A leakage protector is provided on the stepping motor (16).

7. The welding device for an automotive assembly according to claim 2, characterized in that, A high-temperature resistant coating is provided on the surface of the electric slide rail A (8).

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