Spot welding device for automobile hub machining

Abstract

The utility model provides a spot welding device for automobile hub machining, which belongs to the field of hub machining and comprises a workbench, a bearing plate is arranged at the center of the upper end face of the workbench, a rotating structure used for driving the bearing plate to adjust the position is arranged on the workbench, four moving openings are evenly formed in the bearing plate, and the moving openings are arranged on the upper end face of the workbench. And sliding seats are slidably connected into the four moving openings correspondingly, and clamping columns are fixedly connected to the top ends of the sliding seats correspondingly. Through the bearing plate, the rotating structure, the clamping column, the first screw rod, the adjusting sleeve, the adjusting rod, the worm gear, the first motor and the worm, hubs of different sizes can be rapidly and automatically clamped and fixed, the flexibility is higher, the positions of the fixed hubs can be conveniently adjusted, spot welding can be conveniently conducted on different positions of the hubs, and the spot welding efficiency is improved. And the spot welding efficiency is improved, and the problems that in the prior art, hubs of different sizes are inconvenient to fix, and the positions of the hubs are inconvenient to adjust are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub processing, in particular to a spot welding device for processing automobile wheel hubs. Background Art

[0002] The automobile wheel hub is an important part of automobile parts. With the continuous development of automobile production, the automobile parts industry has also grown, so the wheel hub industry has gradually developed. The wheel hub is the part where the axle is installed in the center of the wheel. It is an important component connecting the brake drum, wheel disc and half shaft. The wheel hub needs to be spot welded during the production and processing process.

[0003] At present, the spot welding device in the prior art has the following problems:

[0004] (1) It is inconvenient to quickly fix hubs of different sizes in the prior art, and it is inconvenient to flexibly adjust the position of the hub during spot welding, resulting in low efficiency of spot welding;

[0005] (2) In the prior art, the position of the spot welding head is relatively fixed, which is inconvenient to flexibly adjust according to the welding position of the hub, resulting in a relatively low welding range.

[0006] Therefore, we make improvements to this and propose a spot welding device for automobile wheel hub processing. Utility Model Content

[0007] The utility model aims to solve the existing problems of inconvenience in fast fixing of wheel hubs of different sizes, inconvenience in adjusting the position of the wheel hub and inconvenience in adjusting the position of the spot welding head.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] Spot welding device is used for automobile wheel hub processing to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The cam is provided with a plurality of movable members, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member, and a plurality of movable members are provided on the movable member,

[0012] As a preferred technical solution of the utility model, the rotating structure includes a ring gear fixed on the outer peripheral side wall of the supporting plate, and the lower end surface of the workbench is fixedly connected to a second motor. The driving end of the second motor passes through the supporting plate and is fixedly connected to a gear meshing with the ring gear.

[0013] As a preferred technical solution of the utility model, four limit blocks are evenly arranged on the gear ring, and the four limit blocks are fixedly connected to the workbench by screws respectively.

[0014] As a preferred technical solution of the utility model, the displacement structure includes an installation frame fixed to the rear end of the end surface of the workbench, a second screw is rotatably connected in the installation frame, one end of the installation frame is fixedly connected to a third motor, and a driving end of the third motor is fixedly connected to one end of the second screw, a moving block is threadedly connected to the second screw, the upper end surface of the moving block is fixedly connected to a vertical plate, a first strip opening is opened on the vertical plate, and a connecting plate is slidably connected in the first strip opening, a connecting plate is fixedly connected to the bottom of the outer wall of the vertical plate, and the connecting plate The lower end surface of the connecting plate is fixedly connected with a telescopic cylinder, the driving end of the telescopic cylinder passes through the connecting plate and is fixedly connected to the connecting plate, the upper end surface of the connecting plate is fixedly connected with two fixed blocks, a third screw is rotatably connected between the two fixed blocks, a fourth motor is fixedly connected to the outer side of the fixed block, and the driving end of the fourth motor is fixedly connected to the outer end of the third screw, a second strip opening is opened on the connecting plate, and an adjusting block is matched in the second strip opening, the top end of the adjusting block is threadedly connected to the third screw, and the bottom end of the adjusting block is fixedly connected to the upper end surface of the mounting plate.

[0015] As a preferred technical solution of the utility model, the lower end surface of the workbench is fixedly connected to a support frame, and the four corners of the lower end surface of the support frame are fixedly connected to support feet.

[0016] As a preferred technical solution of the utility model, a circular hole is opened at the center of the upper end surface of the workbench, and the diameter of the circular hole is slightly smaller than the diameter of the supporting plate.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the provided bearing plate, rotating structure, clamping column, first screw, adjusting sleeve, adjusting rod, worm gear, first motor and worm, the wheel hubs of different sizes can be clamped and fixed quickly and automatically, which is more flexible, convenient for adjusting the position of the wheel hub after fixing, convenient for spot welding at different positions of the wheel hub, and improves the efficiency of spot welding, thus solving the problem of inconvenience in fixing wheel hubs of different sizes and inconvenience in adjusting the position of the wheel hub in the prior art;

[0020] 2. Through the setting of the shift structure, the position of the spot welding head can be adjusted automatically and flexibly, which is convenient for spot welding at different positions of the wheel hub. The scope of application is wider, the accuracy of spot welding is improved, and the problem of inconvenience in flexibly adjusting the position of the spot welding head in the prior art is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the spot welding device for automobile wheel hub processing provided by the utility model;

[0022] Figure 2 A schematic diagram of the bottom structure of the spot welding device for automobile wheel hub processing provided by the utility model;

[0023] Figure 3 A schematic diagram of the bottom structure of a bearing plate of a spot welding device for processing an automobile wheel hub provided by the utility model;

[0024] Figure 4 A schematic diagram of the displacement structure of the spot welding device for automobile wheel hub processing provided by the utility model;

[0025] Figure 5 This is a schematic diagram of the rear structure of the spot welding device for automobile wheel hub processing provided by the utility model;

[0026] Figure 6 The utility model is a schematic diagram of the top view of the spot welding device for processing automobile wheel hub.

[0027] Indicated in the figure:

[0028] 1. Workbench; 2. Carrying plate; 3. Rotating structure; 301. Gear ring; 302. Second motor; 303. Gear; 304. Limit block; 4. Moving opening; 5. Sliding seat; 6. Clamping column; 7. Bracket; 8. First screw; 9. Adjusting sleeve; 10. Adjusting rod; 11. Worm gear; 12. Fixed plate; 13. First motor; 14. Worm; 15. Mounting plate; 16. Spot welding head; 17. Shifting structure; 1701. Mounting frame; 1702. Second screw; 1703. Third motor; 1704. Moving block; 1705. Vertical plate; 1706. Connecting plate; 1707. Connecting plate; 1708. Telescopic cylinder; 1709. Fixed block; 1710. Third screw; 1711. Fourth motor; 1712. Adjusting block; 18. Support frame; 19. Round hole. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this embodiment proposes a spot welding device for automobile wheel hub processing, including a workbench 1, a bearing plate 2 is provided at the center of the upper end surface of the workbench 1, and a rotating structure 3 for driving the bearing plate 2 to adjust the position is provided on the workbench 1, so as to facilitate the adjustment of the position of the bearing plate 2, and then facilitate the adjustment of the position of the wheel hub, four movable openings 4 are evenly opened on the bearing plate 2, and slide seats 5 are slidably connected in the four movable openings 4, and clamping columns 6 are fixedly connected to the top of the slide seats 5, and a bracket 7 is fixedly connected to the lower end surface of the bearing plate 2, and a first screw rod 8 is rotatably connected between the bracket 7 and the bearing plate 2, and an adjusting sleeve 9 is threadedly connected to the first screw 8, and four adjusting sleeves are evenly rotatably connected to the adjusting sleeve 9. Rod 10, the top ends of the four adjusting rods 10 are rotatably connected to the slide seat 5 respectively, the bottom end of the first screw rod 8 is fixedly connected to a worm gear 11, the lower end face of the bracket 7 is fixedly connected to a fixing plate 12, the fixing plate 12 is fixedly connected to a first motor 13, the driving end of the first motor 13 passes through the fixing plate 12 and is fixedly connected to a worm 14 meshing with the worm gear 11, so as to facilitate the automatic clamping and fixing of wheel hubs of different sizes, and have higher flexibility. A mounting plate 15 is provided on the upper side of the workbench 1, and a spot welding head 16 is installed on the lower end face of the mounting plate 15, and a shifting structure 17 for adjusting the position of the spot welding head 16 is provided on the upper end face of the workbench 1, so as to facilitate the rapid positioning and spot welding of the spot welding points and improve the efficiency of spot welding.

[0031] like Figure 1 , Figure 5 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the rotating structure 3 includes a ring gear 301 fixed on the outer peripheral side wall of the supporting plate 2, and the lower end face of the workbench 1 is fixedly connected to a second motor 302, and the driving end of the second motor 302 passes through the supporting plate 2 and is fixedly connected to a gear 303 meshing with the ring gear 301; the ring gear 301 is driven to rotate by the second motor 302 to realize the rotation of the supporting plate 2, thereby adjusting the position of the wheel hub to provide the best processing angle for the spot welding head 16.

[0032] like Figure 1 , Figure 5 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, four limit blocks 304 are evenly provided on the ring gear 301, and the four limit blocks 304 are fixedly connected to the workbench 1 by screws respectively; the setting of the limit blocks 304 ensures the stable rotation of the ring gear 301, prevents its displacement during the rotation process, and further ensures the accuracy of the processing.

[0033] like Figure 1 , Figure 4 and Figure 5As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the displacement structure 17 includes a mounting frame 1701 fixed to the rear end of the upper end surface of the workbench 1, a second screw 1702 is rotatably connected in the mounting frame 1701, one end of the mounting frame 1701 is fixedly connected to a third motor 1703, and a driving end of the third motor 1703 is fixedly connected to one end of the second screw 1702, a moving block 1704 is threadedly connected to the second screw 1702, a vertical plate 1705 is fixedly connected to the upper end surface of the moving block 1704, a first strip opening is provided on the vertical plate 1705, and a connecting plate 1706 is slidably connected in the first strip opening, a connecting plate 1707 is fixedly connected to the bottom of the outer wall of the vertical plate 1705, a telescopic cylinder 1708 is fixedly connected to the lower end surface of the connecting plate 1707, and a driving mechanism of the telescopic cylinder 1708 is provided. The end passes through the connecting plate 1707 and is fixedly connected to the connecting plate 1706. Two fixed blocks 1709 are fixedly connected to the upper end surface of the connecting plate 1706. A third screw 1710 is rotatably connected between the two fixed blocks 1709. A fourth motor 1711 is fixedly connected to the outer fixed block 1709, and a driving end of the fourth motor 1711 is fixedly connected to the outer end of the third screw 1710. A second strip opening is opened on the connecting plate 1706, and an adjusting block 1712 is matched in the second strip opening. The top end of the adjusting block 1712 is threadedly connected to the third screw 1710, and the bottom end of the adjusting block 1712 is fixedly connected to the upper end surface of the mounting plate 15; the spot welding head 16 is accurately moved in three-dimensional space, which not only improves the accuracy of spot welding, but also allows spot welding points at different positions to be quickly positioned, greatly shortening the processing time.

[0034] like Figure 1 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the lower end surface of the workbench 1 is fixedly connected with a support frame 18, and the four corners of the lower end surface of the support frame 18 are fixedly connected with support feet; stable support is provided for the entire device, ensuring stability and safety during the processing.

[0035] like Figure 1 and Figure 2 As shown, as a preferred embodiment, based on the above method, further, a circular hole 19 is opened at the center of the upper end surface of the workbench 1, and the diameter of the circular hole 19 is slightly smaller than the diameter of the supporting plate 2, so as to provide installation space for the workpiece at the bottom of the supporting plate 2.

[0036] Specifically, when the spot welding device for automobile wheel hub processing is working / in use: the wheel hub is placed on the bearing plate 2, and then the first motor 13 is driven to rotate the worm 14, the worm 14 drives the worm wheel 11 and the first screw 8 to rotate, the first screw 8 drives the adjustment sleeve 9 to move downward, and then the four adjustment rods 10 move at the same time, so that the slide 5 and the clamping column 6 move inward at the same time, so as to clamp and fix the wheel hub, and then according to the welding position, the third motor 1703 is driven to rotate the second screw 1702, so that the moving block 1704 and the vertical plate 1705 are moved horizontally. The fourth motor 1711 is driven to rotate the third screw rod 1710, and the adjusting block 1712 is driven to move forward and backward, so that the front and rear position of the spot welding head 16 can be adjusted. After the position adjustment is completed, the telescopic cylinder 1708 drives the spot welding head 16 to descend to spot weld the wheel hub. The position of the wheel hub needs to be adjusted and the second motor 302 is driven to rotate the gear 303. The rotation of the gear 303 rotates the ring gear 301 and the bearing plate 2, so as to facilitate the adjustment of the position of the wheel hub and facilitate spot welding at different positions of the wheel hub.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A spot welding device for automobile wheel hub processing, comprising a workbench (1), characterized in that: A bearing plate (2) is provided at the center of the upper end surface of the workbench (1), and a rotating structure (3) for driving the bearing plate (2) to adjust its position is provided on the workbench (1). Four movable openings (4) are evenly provided on the bearing plate (2), and a slide seat (5) is slidably connected in each of the four movable openings (4). A clamping column (6) is fixedly connected to the top of each of the slide seats (5). A bracket (7) is fixedly connected to the lower end surface of the bearing plate (2), and a first screw rod (8) is rotatably connected between the bracket (7) and the bearing plate (2). An adjusting sleeve (9) is threadedly connected to the first screw rod (8), and four adjusting rods (10) are evenly rotatably connected to the adjusting sleeve (9). The top ends of the four adjusting rods (10) are rotatably connected to the slide seat (5), the bottom end of the first screw rod (8) is fixedly connected to a worm gear (11), the lower end surface of the bracket (7) is fixedly connected to a fixing plate (12), the fixing plate (12) is fixedly connected to a first motor (13), the driving end of the first motor (13) passes through the fixing plate (12) and is fixedly connected to a worm (14) meshingly connected to the worm gear (11), the upper side of the workbench (1) is provided with a mounting plate (15), the lower end surface of the mounting plate (15) is provided with a spot welding head (16), and the upper end surface of the workbench (1) is provided with a displacement structure (17) for adjusting the position of the spot welding head (16).

2. A spot welding device for automobile wheel hub processing according to claim 1, characterized in that: The rotating structure (3) comprises a gear ring (301) fixed on the outer peripheral side wall of the supporting plate (2); a second motor (302) is fixedly connected to the lower end surface of the workbench (1); a driving end of the second motor (302) passes through the supporting plate (2) and is fixedly connected to a gear (303) meshing with the gear ring (301).

3. A spot welding device for automobile wheel hub processing according to claim 2, characterized in that: Four limit blocks (304) are evenly arranged on the gear ring (301), and the four limit blocks (304) are fixedly connected to the workbench (1) by screws respectively.

4. A spot welding device for automobile wheel hub processing according to claim 1, characterized in that: The displacement structure (17) comprises a mounting frame (1701) fixed to the rear end of the upper end surface of the workbench (1), a second screw rod (1702) being rotatably connected in the mounting frame (1701), a third motor (1703) being fixedly connected to one end of the mounting frame (1701), and a driving end of the third motor (1703) being fixedly connected to one end of the second screw rod (1702), a moving block (1704) being threadedly connected to the second screw rod (1702), a vertical plate (1705) being fixedly connected to the upper end surface of the moving block (1704), a first strip-shaped opening being provided on the vertical plate (1705), and a connecting plate (1706) being slidably connected in the first strip-shaped opening, a connecting plate (1707) being fixedly connected to the bottom of the outer wall of the vertical plate (1705), and a connecting plate (1707) being fixedly connected to the lower end surface of the connecting plate (1707). A telescopic cylinder (1708), the driving end of the telescopic cylinder (1708) passes through the connecting plate (1707) and is fixedly connected to the connecting plate (1706), the upper end surface of the connecting plate (1706) is fixedly connected to two fixed blocks (1709), a third screw rod (1710) is rotatably connected between the two fixed blocks (1709), a fourth motor (1711) is fixedly connected to the outer fixed block (1709), and the driving end of the fourth motor (1711) is fixedly connected to the outer end of the third screw rod (1710), a second strip opening is opened on the connecting plate (1706), and an adjustment block (1712) is matched in the second strip opening, the top end of the adjustment block (1712) is threadedly connected to the third screw rod (1710), and the bottom end of the adjustment block (1712) is fixedly connected to the upper end surface of the mounting plate (15).

5. A spot welding device for automobile wheel hub processing according to claim 1, characterized in that: The lower end surface of the workbench (1) is fixedly connected to a support frame (18), and the four corners of the lower end surface of the support frame (18) are fixedly connected to support feet.

6. A spot welding device for automobile wheel hub processing according to claim 1, characterized in that: A circular hole (19) is provided at the center of the upper end surface of the workbench (1), and the diameter of the circular hole (19) is slightly smaller than the diameter of the carrying plate (2).

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