Spot welding device for automobile sheet metal parts

Abstract

The utility model discloses an automobile sheet metal part spot welding device which comprises a base, two first open grooves are formed in the top of the base, first threaded rods are rotationally connected into the two first open grooves, and first threaded blocks are in threaded connection with the outer surfaces of the first threaded rods. And one ends of the two first threaded rods penetrate through and extend to the exterior of the base, a transmission assembly is arranged between the ends, extending to the exterior, of the two threaded rods, a portal frame is fixedly connected between the tops of the two first threaded blocks, and a second open groove is formed in the bottom of the portal frame. According to the automobile sheet metal part spot welding device, transverse and vertical position adjustment of the spot welding mechanism is achieved, the spot welding position of an automobile sheet metal part can be adjusted by being matched with the rotation effect of the circular plate, position adjustment can be conducted without the need for a worker to relieve fixing of the automobile sheet metal part, the position adjustment work of the automobile sheet metal part is more convenient, and the working efficiency is improved. And the working efficiency of spot welding work is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sheet metal spot welding devices, in particular to an automobile sheet metal spot welding device. Background Art

[0002] Sheet metal refers to the operation of making metal sheets, profiles and pipes into parts with certain shapes, sizes and precision by manual or mechanical methods. It is a commonly used metal processing technology. Through a series of subsequent processing, the processed sheets can be cut and bent to process the materials into parts that meet the application requirements.

[0003] Automobile sheet metal is the main component of constructing the car body, and sheet metal in different parts is generally fixed together by spot welding.

[0004] When using the existing spot welding device for automobile sheet metal parts, it is necessary to perform spot welding work on multiple positions of the sheet metal parts, but the sheet metal parts are usually fixed on the spot welding device by a fixing mechanism, resulting in that after spot welding is completed at one position of the sheet metal part, the fixation needs to be released, and the position needs to be manually adjusted by the staff, and then fixed again before the spot welding work can continue, resulting in a cumbersome process of position adjustment, which reduces the efficiency of the spot welding work.

[0005] Therefore, it is necessary to provide a spot welding device for automobile sheet metal parts to solve the above technical problems. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a spot welding device for automobile sheet metal parts.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a spot welding device for automobile sheet metal parts, comprising a base, the top of the base is provided with two slots one, the interiors of the two slots one are rotatably connected with threaded rods one, the outer surface of the threaded rod one is threadedly connected with a threaded block one, one end of the two threaded rods one passes through and extends to the outside of the base, and a transmission assembly is arranged between the ends of the two threaded rods one extending to the outside, a gantry is fixedly connected with the tops of the two threaded blocks one, the bottom of the gantry is provided with a slot two, the interiors of the slot two are rotatably connected with threaded rods two, the outer surface of the threaded rods two are threadedly connected with threaded blocks two, an electric telescopic rod is arranged at the bottom of the threaded block two, the telescopic end of the electric telescopic rod is fixedly connected with a fixing plate, a spot welding mechanism is arranged at the bottom of the fixing plate, and an adjustment assembly and a clamping assembly are also arranged at the top of the base.

[0008] As a further description of the above technical solution:

[0009] The transmission assembly comprises pulleys respectively mounted on two threaded rods, and an internal toothed belt is connected between the two pulleys for transmission.

[0010] As a further description of the above technical solution:

[0011] The adjustment assembly includes a fixed column fixedly connected to the top of the base, a circular plate is rotatably sleeved on the outer surface of the fixed column, two sliding grooves are provided on the top of the circular plate, and sliders are slidably connected to the inside of the two sliding grooves. A spring is provided between the slider and the side opposite to the inner wall of the sliding groove, and a clamping plate is fixedly connected to the top of the two sliders.

[0012] As a further description of the above technical solution:

[0013] The outer surface of the circular plate is provided with a plurality of clamping grooves.

[0014] As a further description of the above technical solution:

[0015] The clamping assembly comprises a device frame fixedly connected to the top of the base, a clamping block is movably connected inside the device frame, and a second spring is arranged between the clamping block and a side opposite to the inner wall of the device frame.

[0016] As a further description of the above technical solution:

[0017] One end of the clamping block is movably connected inside a plurality of clamping slots.

[0018] As a further description of the above technical solution:

[0019] A motor 1 is arranged on one side of the base, and an output end of the motor 1 is fixedly connected to one end of one of the threaded rods 1; a motor 2 is arranged on one side of the gantry, and an output end of the motor 2 is fixedly connected to one end of the threaded rod 2.

[0020] The utility model has the following beneficial effects:

[0021] 1. Compared with the prior art, the spot welding device for automobile sheet metal parts realizes the horizontal and vertical position adjustment of the spot welding mechanism through the arrangement of the structures such as the slot one, the threaded rod one, the threaded block one, the gantry, the slot two, the threaded rod two and the threaded block two, and cooperates with the rotation of the circular plate, so that the spot welding position of the automobile sheet metal parts can be adjusted, and the staff does not need to release the fixation of the automobile sheet metal parts before the position adjustment can be carried out, which makes the position adjustment of the automobile sheet metal parts more convenient and improves the work efficiency of the spot welding work.

[0022] 2. Compared with the prior art, the automobile sheet metal spot welding device can fix the position of the circular plate after rotation adjustment by setting a clamping assembly, thereby preventing the circular plate from rotating itself during the spot welding process, resulting in deviation in the processing position. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a spot welding device for automobile sheet metal parts proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a fixed column and a circular plate of a spot welding device for automobile sheet metal parts proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the gantry and slotting structure of a spot welding device for automobile sheet metal parts proposed by the utility model;

[0026] Figure 4 The utility model is a schematic diagram of the structure of a clamping assembly of a spot welding device for automobile sheet metal parts.

[0027] Legend:

[0028] 1. Base; 2. Slot 1; 3. Threaded rod 1; 4. Threaded block 1; 5. Gantry; 6. Slot 2; 7. Threaded rod 2; 8. Threaded block 2; 9. Electric telescopic rod; 10. Fixed plate; 11. Spot welding mechanism; 12. Pulley; 13. Internal toothed belt; 14. Fixed column; 15. Round plate; 16. Slide; 17. Slider; 18. Spring 1; 19. Clamping plate; 20. Snap-in groove; 21. Device frame; 22. Snap-in block; 23. Spring 2; 24. Motor 1; 25. Motor 2. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-4The utility model provides a spot welding device for automobile sheet metal parts: it includes a base 1, the top of the base 1 is provided with two slots 12, the insides of the two slots 12 are rotatably connected with threaded rods 13, the outer surface of the threaded rod 13 is threadedly connected with a threaded block 14, one end of the two threaded rods 13 passes through and extends to the outside of the base 1, and a transmission component is arranged between the ends of the two threaded rods 13 extending to the outside, a gantry 5 is fixedly connected with the tops of the two threaded blocks 4, the bottom of the gantry 5 is provided with a slot 26, the inside of the slot 26 is rotatably connected with a threaded rod 27, the outer surface of the threaded rod 27 is threadedly connected with a threaded block 28, an electric telescopic rod 9 is arranged at the bottom of the threaded block 28, the telescopic end of the electric telescopic rod 9 is fixedly connected with a fixing plate 10, a spot welding mechanism 11 is arranged at the bottom of the fixing plate 10, and an adjustment component and a clamping component are also arranged on the top of the base 1.

[0031] The transmission assembly includes pulleys 12 respectively mounted on two threaded rods 13, and an internal toothed belt 13 is connected between the two pulleys 12 for transmission.

[0032] The adjustment component includes a fixed column 14 fixedly connected to the top of the base 1, a circular plate 15 is rotatably sleeved on the outer surface of the fixed column 14, two slide grooves 16 are provided on the top of the circular plate 15, and sliders 17 are slidably connected inside the two slide grooves 16. A spring 18 is provided between the slider 17 and the side opposite to the inner wall of the slide groove 16. A clamping plate 19 is fixedly connected to the top of the two sliders 17. A plurality of clamping grooves 20 are provided on the outer surface of the circular plate 15. By setting the adjustment component, the circular plate 15 can be rotated to adjust the spot welding position of the automobile sheet metal on the circular plate 15.

[0033] The clamping assembly includes a device frame 21 fixedly connected to the top of the base 1, and a clamping block 22 is movably connected inside the device frame 21. A spring 23 is arranged between the clamping block 22 and the side opposite to the inner wall of the device frame 21. One end of the clamping block 22 is movably connected inside a plurality of clamping grooves 20. Through the arrangement of the clamping assembly, the position of the circular plate 15 after rotation adjustment can be fixed to avoid the circular plate 15 itself rotating during the spot welding process, resulting in deviation in the processing position.

[0034] A motor 24 is provided on one side of the base 1, and the output end of the motor 24 is fixedly connected to one end of one of the threaded rods 3. A motor 25 is provided on one side of the gantry 5, and the output end of the motor 25 is fixedly connected to one end of the threaded rod 2 7.

[0035] Working principle: When in use, push the two clamping plates 19 to move them to the side away from each other, and at the same time, the two springs 23 contract, then place the automobile sheet metal to be spot welded on the circular plate 15 and between the two clamping plates 19, then release the two clamping plates 19, so that the two springs 23 push the two sliders 17 and the clamping plates 19 under the elastic action, respectively, to clamp the automobile sheet metal, and then start the electric telescopic rod 9 to drive the spot welding mechanism 11 to move downward, and spot weld the automobile sheet metal;

[0036] When the spot welding position of the automobile sheet metal part needs to be adjusted, the clamping block 22 is pulled to disengage it from one of the clamping grooves 20, and the circular plate 15 is manually rotated to adjust the processing position of the sheet metal part. After the adjustment is completed, the clamping block 22 is released, and the clamping block 22 is pushed into the corresponding clamping groove 20 under the elastic action of the spring 23, so as to fix the circular plate 15 to prevent the circular plate 15 from rotating itself during the spot welding process, resulting in deviation of the processing position. Then, the motor 1 24 and the motor 2 25 are started respectively. It drives the threaded rod 2 7 and one of the threaded rods 1 3 to rotate respectively. When one of the threaded rods 1 3 rotates, it drives the pulley 12 to rotate, and then under the action of the internal toothed belt 13, it drives the other pulley 12 and the threaded rod 1 3 to rotate, so that the two threaded rods 1 3 rotate synchronously, thereby driving the gantry 5 and the spot welding mechanism 11 to move horizontally. At the same time, when the threaded rod 2 7 rotates, it drives the threaded block 2 8 to move, and then drives the spot welding mechanism 11 to move vertically, thereby realizing the demand for spot welding of different positions of automobile sheet metal parts.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spot welding device for automobile sheet metal parts, comprising a base (1), characterized in that: The top of the base (1) is provided with two slots (2), the inside of the two slots (2) are rotatably connected with a threaded rod (3), the outer surface of the threaded rod (3) is threadedly connected with a threaded block (4), one end of the two threaded rods (3) penetrates and extends to the outside of the base (1), and a transmission assembly is arranged between the ends of the two threaded rods (3) extending to the outside, a gantry (5) is fixedly connected between the tops of the two threaded blocks (4), a slot (6) is provided at the bottom of the gantry (5), a threaded rod (7) is rotatably connected inside the slot (6), a threaded block (8) is threadedly connected to the outer surface of the threaded rod (7), an electric telescopic rod (9) is arranged at the bottom of the threaded block (8), the telescopic end of the electric telescopic rod (9) is fixedly connected with a fixing plate (10), and a spot welding mechanism (11) is arranged at the bottom of the fixing plate (10), and an adjustment assembly and a clamping assembly are also arranged at the top of the base (1).

2. The spot welding device for automobile sheet metal parts according to claim 1, characterized in that: The transmission assembly comprises pulleys (12) respectively mounted on two threaded rods (3), and an internal toothed belt (13) is connected between the two pulleys (12).

3. The spot welding device for automobile sheet metal parts according to claim 1, characterized in that: The adjustment assembly comprises a fixed column (14) fixedly connected to the top of the base (1); a circular plate (15) is rotatably sleeved on the outer surface of the fixed column (14); two slide grooves (16) are provided on the top of the circular plate (15); sliders (17) are slidably connected inside the two slide grooves (16); a spring (18) is provided between the slider (17) and the side opposite to the inner wall of the slide groove (16); and clamping plates (19) are fixedly connected to the tops of the two sliders (17).

4. The spot welding device for automobile sheet metal parts according to claim 3, characterized in that: The outer surface of the circular plate (15) is provided with a plurality of clamping grooves (20).

5. The spot welding device for automobile sheet metal parts according to claim 4, characterized in that: The snap-fit ​​assembly comprises a device frame (21) fixedly connected to the top of the base (1), a snap-fit ​​block (22) movably connected inside the device frame (21), and a second spring (23) is arranged between the side of the snap-fit ​​block (22) opposite to the inner wall of the device frame (21).

6. The spot welding device for automobile sheet metal parts according to claim 5, characterized in that: One end of the clamping block (22) is movably connected inside a plurality of clamping slots (20).

7. The spot welding device for automobile sheet metal parts according to claim 1, characterized in that: A motor 1 (24) is provided on one side of the base (1), and an output end of the motor 1 (24) is fixedly connected to one end of one of the threaded rods 1 (3); a motor 2 (25) is provided on one side of the gantry (5), and an output end of the motor 2 (25) is fixedly connected to one end of the threaded rod 2 (7).

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