Welding device for automobile chassis shaft parts

Abstract

The utility model discloses an automobile chassis shaft part welding device, which comprises a base, a fixing frame and a side frame, the fixing frame is fixedly connected to the top of the base, the side frame is fixedly connected to one side of the base, reinforcing rods which are symmetrically distributed are arranged between the fixing frame and the side frame, the top of the fixing frame is provided with strip-shaped holes which are symmetrically distributed, and the strip-shaped holes are communicated with the fixing frame. The device further comprises a self-centering positioning assembly and a flexible welding assembly, the self-centering positioning assembly is arranged between the base and the fixing frame, and the flexible welding assembly is arranged on the side, close to the fixing frame, of the side frame. The utility model belongs to the technical field of part machining, and particularly relates to a welding device for shaft parts of an automobile chassis, which solves the problems that when a product shaft is fixed, time and labor are wasted in operation by rotating and clamping through a handle, and the machining efficiency is limited due to low flexibility in welding operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of parts processing, in particular to a welding device for automobile chassis shaft parts. Background Art

[0002] At present, more and more automobile chassis parts are platform-based, and the problem of product production capacity has become prominent. The swing arm shaft is a key component of the automobile chassis. This part is related to whether the automobile chassis swing arm can operate smoothly. Therefore, the consistency of product size and welding strength are very high. However, the existing method of fixing the product shaft is to rotate and clamp it through a handle. The operation is not only time-consuming and labor-intensive, but also has low flexibility during welding operations, which limits the processing efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the product shaft is fixed by rotating and clamping the handle, which is time-consuming and labor-intensive to operate, and the flexibility during welding operation is low, which limits the processing efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: A welding device for automobile chassis shaft parts, including a base, a fixing frame and a side frame, the fixing frame is fixedly connected to the top of the base, the side frame is fixedly connected to one side of the base, symmetrically distributed reinforcement rods are provided between the fixing frame and the side frame, and symmetrically distributed strip holes are provided on the top of the fixing frame. It also includes a self-centering positioning component and a flexible welding component, the self-centering positioning component is provided between the base and the fixing frame, and the flexible welding component is provided on the side of the side frame close to the fixing frame. The shaft parts are clamped and positioned by the self-centering positioning component, and the shaft parts are welded using the flexible welding component.

[0005] Furthermore, the self-centering positioning assembly includes a servo motor, a worm, a rotating shaft, a worm wheel, a disc, a guide column, an adjusting rod, a connecting rod and a clamping block, wherein:

[0006] The servo motor is fixedly mounted on the top of the base, the worm is fixedly connected to the output end of the servo motor, the rotating shaft is connected to the top of the base, the worm wheel is fixedly connected to the rotating shaft and meshes with the worm, and the disc is fixedly connected to the upper end of the rotating shaft;

[0007] The guide column is fixedly connected between the inner walls of the strip hole, the adjusting rod vertically passes through the guide column and is slidably connected thereto, the connecting rod is movably connected between the adjusting rod and the disc, and is eccentrically connected to the disc, and the clamping block is fixedly connected to the upper end of the adjusting rod.

[0008] Furthermore, the outer wall of the adjusting rod fits with the inner wall of the strip hole, and limit blocks are provided on both side walls of the clamping block. One end of the limit block is clamped on the fixing frame, and a limit groove is provided at the bottom of the fixing frame, and it is arranged in a ring shape. The top of the disc is fixedly connected to the limit rod, and its upper end is arranged inside the limit groove.

[0009] Furthermore, the flexible welding assembly includes a linear guide rail, a slider, an annular plate, an adjustment block, an electric push rod and a welding gun, wherein:

[0010] The linear guide rail is fixedly mounted on the outer side wall of the side frame, the slider is slidably arranged on the linear guide rail, the annular plate is fixedly connected to the outer side wall of the slider, and a travel hole is provided in the middle of the annular plate;

[0011] The adjusting block passes through the annular plate and is slidably arranged in the stroke hole. The electric push rod is fixedly connected to the outer side wall of the adjusting block. The welding gun is fixedly connected to the free end of the electric push rod.

[0012] Furthermore, the adjusting rod and the connecting rod are both arranged in an L shape.

[0013] After adopting the above structure, the beneficial effects of the utility model are as follows:

[0014] (1) The meshing transmission between the worm and the worm wheel can make the disc rotate slowly, so that the two sets of connecting rods drive the two sets of adjusting rods to move relative to each other, so that the clamping block can quickly clamp the shaft parts in a self-centering manner;

[0015] (2) The welding gun can be flexibly adjusted in height and circular sliding, and the welding position can be adjusted according to the diameter of the shaft parts, which improves the flexibility of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1 This is a schematic diagram of the overall structure of a welding device for automobile chassis shaft parts proposed by the utility model;

[0018] Figure 2 This is a front view of a welding device for automobile chassis shaft parts proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of a welding device for automobile chassis shaft parts proposed by the utility model;

[0020] Figure 4 This is a side view of a welding device for automobile chassis shaft parts proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of an automobile chassis shaft part proposed by the utility model from another perspective.

[0022] In the attached drawings: 1. base, 2. fixing frame, 3. side frame, 4. reinforcement rod, 5. bar hole, 6. servo motor, 7. worm, 8. rotating shaft, 9. worm gear, 10. disc, 11. guide column, 12. adjusting rod, 13. connecting rod, 14. clamping block, 15. limit block, 16. limit slot, 17. limit rod, 18. linear guide rail, 19. slider, 20. annular plate, 21. adjusting block, 22. electric push rod, 23. welding gun, 24. travel hole. DETAILED DESCRIPTION

[0023] like Figure 1-2 As shown, a welding device for automobile chassis shaft parts includes a base 1, a fixing frame 2 and a side frame 3. The fixing frame 2 is fixedly connected to the top of the base 1, and the side frame 3 is fixedly connected to one side of the base 1. Symmetrically distributed reinforcement rods 4 are provided between the fixing frame 2 and the side frame 3, and symmetrically distributed strip holes 5 are provided on the top of the fixing frame 2. The device also includes a self-centering positioning component and a flexible welding component. The self-centering positioning component is provided between the base 1 and the fixing frame 2, and the flexible welding component is provided on the side of the side frame 3 close to the fixing frame 2.

[0024] like Figure 1-5 As shown, in order to quickly clamp and position shaft parts, the self-centering positioning assembly includes a servo motor 6, a worm 7, a rotating shaft 8, a worm wheel 9, a disc 10, a guide column 11, an adjusting rod 12, a connecting rod 13 and a clamping block 14. The servo motor 6 is fixedly mounted on the top of the base 1, the worm 7 is fixedly connected to the output end of the servo motor 6, the rotating shaft 8 is forwardly connected to the top of the base 1, the worm wheel 9 is fixedly connected to the rotating shaft 8, and it is meshed with the worm 7, and the disc 10 is fixedly connected to the upper end of the rotating shaft 8; the guide column 11 is fixedly connected between the inner walls of the strip hole 5, The adjusting rod 12 vertically passes through the guide column 11 and is slidably connected to it. The connecting rod 13 is movably connected between the adjusting rod 12 and the disc 10, and is eccentrically connected to the disc 10. The clamping block 14 is fixedly connected to the upper end of the adjusting rod 12. The outer wall of the adjusting rod 12 fits the inner wall of the strip hole 5. Both side walls of the clamping block 14 are provided with limit blocks 15. One end of the limit block 15 is clamped on the fixing frame 2. A limit groove 16 is provided at the bottom of the fixing frame 2, and it is annularly arranged. The top of the disc 10 is fixedly connected to the limit rod 17, and its upper end is arranged inside the limit groove 16.

[0025] like Figure 1-5As shown, in order to facilitate the welding of shaft parts, the flexible welding assembly includes a linear guide 18, a slider 19, an annular plate 20, an adjusting block 21, an electric push rod 22 and a welding gun 23. The linear guide 18 is fixedly mounted on the outer wall of the side frame 3, the slider 19 is slidably set on the linear guide 18, the annular plate 20 is fixedly connected to the outer wall of the slider 19, and a stroke hole 24 is provided in the middle position of the annular plate 20; the adjusting block 21 passes through the annular plate 20 and is slidably set in the stroke hole 24, the electric push rod 22 is fixedly connected to the outer wall of the adjusting block 21, and the welding gun 23 is fixedly connected to the free end of the electric push rod 22.

[0026] The adjusting rod 12 and the connecting rod 13 are both arranged in an L shape.

[0027] During specific use, the shaft parts to be processed are placed on the fixed frame 2, the servo motor 6 is turned on, and the worm 7 drives the worm wheel 9 to rotate to make the disc 10 rotate slowly, so that the two sets of connecting rods 13 respectively drive the two sets of adjusting rods 12 to move relative to each other, so that the clamping block 14 can quickly self-center the shaft parts. When the disc 10 rotates, it drives the limit rod 17 to rotate inside the limit groove 16 to ensure the stability of the rotating shaft 8. The adjusting rod 12 drives the limit block 15 to slide on the fixed frame 2 to increase the stability of the clamping block 14. When welding the shaft parts, the height of the welding gun 23 is adjusted by controlling the linear guide 18. The electric push rod 22 is controlled to extend appropriately according to the diameter of the shaft parts, and the welding position is adjusted so that it contacts the surface of the shaft parts for welding. The welding gun 23 can be adjusted for circular sliding by adjusting the adjusting block 21 to improve welding efficiency.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by the present invention and, without departing from the purpose of the present invention, design structures and embodiments similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A welding device for automobile chassis shaft parts, comprising a base, a fixing frame, and a side frame, wherein the fixing frame is fixedly connected to the top of the base, and the side frame is fixedly connected to one side of the base. A symmetrically distributed reinforcement rod is provided between the fixing frame and the side frame, and a symmetrically distributed strip hole is provided on the top of the fixing frame. The device is characterized in that: It also includes a self-centering positioning component and a flexible welding component. The self-centering positioning component is arranged between the base and the fixed frame, and the flexible welding component is arranged on the side of the side frame close to the fixed frame. The shaft parts are clamped and positioned by the self-centering positioning component, and the shaft parts are welded using the flexible welding component.

2. The welding device for automobile chassis shaft parts according to claim 1, characterized in that: The self-centering positioning assembly includes a servo motor, a worm, a rotating shaft, a worm wheel, a disc, a guide column, an adjusting rod, a connecting rod and a clamping block, wherein: The servo motor is fixedly mounted on the top of the base, the worm is fixedly connected to the output end of the servo motor, the rotating shaft is connected to the top of the base, the worm wheel is fixedly connected to the rotating shaft and meshes with the worm, and the disc is fixedly connected to the upper end of the rotating shaft; The guide column is fixedly connected between the inner walls of the strip hole, the adjusting rod vertically passes through the guide column and is slidably connected thereto, the connecting rod is movably connected between the adjusting rod and the disc, and is eccentrically connected to the disc, and the clamping block is fixedly connected to the upper end of the adjusting rod.

3. A welding device for automobile chassis shaft parts according to any one of claims 1-2, characterized in that: The outer wall of the adjusting rod fits with the inner wall of the strip hole, and both side walls of the clamping block are provided with limit blocks. One end of the limit block is clamped on the fixing frame, and a limit groove is provided at the bottom of the fixing frame, and it is arranged in a ring shape. The top of the disc is fixedly connected to the limit rod, and its upper end is arranged inside the limit groove.

4. The welding device for automobile chassis shaft parts according to claim 3, characterized in that: The flexible welding assembly includes a linear guide rail, a slider, an annular plate, an adjustment block, an electric push rod and a welding gun, wherein: The linear guide rail is fixedly mounted on the outer side wall of the side frame, the slider is slidably arranged on the linear guide rail, the annular plate is fixedly connected to the outer side wall of the slider, and a travel hole is provided in the middle of the annular plate; The adjusting block passes through the annular plate and is slidably arranged in the stroke hole. The electric push rod is fixedly connected to the outer side wall of the adjusting block. The welding gun is fixedly connected to the free end of the electric push rod.

5. A welding device for automobile chassis shaft parts according to any one of claims 1, 2, and 4, characterized in that: The adjusting rod and the connecting rod are both arranged in an L shape.

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