Elastic welding device for convex spot welding

Abstract

The elastic welding device comprises a base, a mounting column is arranged at the top of the base, a mounting groove is formed in the mounting column, a transmission motor is fixedly connected to the interior of the mounting groove, an output shaft of the transmission motor is fixedly connected with a first threaded rod, and the output shaft of the transmission motor is fixedly connected with a second threaded rod. The outer surface of the first threaded rod is in threaded connection with a threaded block, the upper end of the threaded block is fixedly connected with a main body, a plurality of springs are arranged in the bottom end of the main body, the upper ends of the springs are fixedly connected with an elastic plate, and the upper end of the elastic plate is fixedly connected with a lower electrode rod; and the upper end of the lower electrode rod is fixedly connected with a lower electrode cap. By arranging the placing plate, the mounting frame, the threaded sleeve, the second threaded rod and the fixing plate, a welding part is fixed, the main body is driven to move through the transmission motor, the first threaded rod and the threaded block, then welding is achieved, manual hand holding is not needed, and the welding effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to an elastic welding device for convex spot welding. Background Art

[0002] When the existing projection welding equipment is applied to the resistance spot welding process, after the upper and lower electrodes are replaced with electrode caps, spot welding is mostly performed manually by hand. Not only is the welding efficiency low, but the welding quality is easily affected by the shaking of the arm, which affects the welding effect. Utility Model Content

[0003] The purpose of the utility model is to provide an elastic welding device for convex spot welding, which can fix the welding parts through a placing plate, a mounting frame, a threaded sleeve, a second threaded rod, and a fixing plate, and drive the main body to move through a transmission motor, a first threaded rod, and a threaded block, thereby realizing welding without manual holding and achieving good welding effect.

[0004] To achieve the above-mentioned purpose, an elastic welding device for convex spot welding is provided, comprising: a base, a mounting column is arranged on the top of the base, a mounting groove is provided inside the mounting column, a transmission motor is fixedly connected inside the mounting groove, a first threaded rod is fixedly connected to the output shaft of the transmission motor, a threaded block is threadedly connected to the outer surface of the first threaded rod, a main body is fixedly connected to the upper end of the threaded block, a plurality of springs are arranged inside the bottom end of the main body, an elastic plate is fixedly connected to the upper end of the spring, a lower electrode rod is fixedly connected to the upper end of the elastic plate, and a lower electrode cap is fixedly connected to the upper end of the lower electrode rod;

[0005] The upper end of the base is fixedly connected to a plurality of support columns, the upper ends of the support columns are fixedly connected to a placement plate, the four corners of the upper end of the placement plate are fixedly connected to a mounting frame, the upper end of the mounting frame is provided with a threaded sleeve, the internal thread of the threaded sleeve is connected to a second threaded rod, and the lower end of the second threaded rod is fixedly connected to a fixing plate.

[0006] According to the elastic welding device for spot welding, one side of the first threaded rod is fixedly connected to a bearing seat, and one side of the bearing seat is fixed to the side wall of the mounting groove.

[0007] According to the elastic welding device for bump welding, the lower end of the threaded block is slidably connected to the bottom wall of the mounting groove.

[0008] According to the elastic welding device for bump welding, the upper end of the main body is fixedly connected to a cylinder, the lower end of the cylinder is fixedly connected to an upper electrode rod, and the lower end of the upper electrode rod is fixedly connected to an upper electrode cap.

[0009] According to the elastic welding device for bump welding, a rotating handle is fixedly connected to the upper end of the second threaded rod.

[0010] The purpose of the utility model is to provide an elastic welding device for convex spot welding, the main innovations are:

[0011] The elastic welding device for convex spot welding fixes the welding parts by arranging a placement plate, a mounting frame, a threaded sleeve, a second threaded rod and a fixing plate, and drives the main body to move through a transmission motor, a first threaded rod and a threaded block to achieve welding, without manual holding, and has a good welding effect.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 A three-dimensional diagram of an elastic welding device for bump welding proposed by the utility model;

[0015] Figure 2 This is a schematic structural diagram of an elastic plate of an elastic welding device for bump welding proposed by the utility model;

[0016] Figure 3 A cross-sectional view of a mounting column of an elastic welding device for bump spot welding proposed by the utility model;

[0017] Figure 4 The utility model proposed Figure 1 Schematic diagram of the structure at A in the middle.

[0018] Legend:

[0019] 1. Base; 2. Mounting column; 3. Mounting slot; 4. Transmission motor; 5. First threaded rod; 6. Threaded block; 7. Bearing seat; 8. Main body; 9. Cylinder; 10. Upper electrode rod; 11. Upper electrode cap; 12. Spring; 13. Elastic plate; 14. Lower electrode rod; 15. Lower electrode cap; 16. Support column; 17. Placement plate; 18. Mounting frame; 19. Threaded sleeve; 20. Second threaded rod; 21. Fixing plate; 22. Rotating handle. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment is an elastic welding device for convex spot welding, which includes a base 1, a mounting column 2 is arranged on the top of the base 1, a mounting groove 3 is opened inside the mounting column 2, a transmission motor 4 is fixedly connected inside the mounting groove 3, a first threaded rod 5 is fixedly connected to the output shaft of the transmission motor 4, a threaded block 6 is threadedly connected to the outer surface of the first threaded rod 5, a main body 8 is fixedly connected to the upper end of the threaded block 6, a plurality of springs 12 are arranged inside the bottom end of the main body 8, an elastic plate 13 is fixedly connected to the upper end of the spring 12, a lower electrode rod 14 is fixedly connected to the upper end of the elastic plate 13, a lower electrode cap 15 is fixedly connected to the upper end of the lower electrode rod 14, and the main body 8 is driven to move by the transmission motor 4, the first threaded rod 5, and the threaded block 6, so as to realize welding, and no manual hand-holding is required, and the welding effect is good;

[0022] A plurality of support columns 16 are fixedly connected to the upper end of the base 1, a placement plate 17 is fixedly connected to the upper end of the support column 16, a mounting frame 18 is fixedly connected to the four corners of the upper end of the placement plate 17, a threaded sleeve 19 is provided at the upper end of the mounting frame 18, a second threaded rod 20 is connected to the internal thread of the threaded sleeve 19, and a fixing plate 21 is fixedly connected to the lower end of the second threaded rod 20. By arranging the placement plate 17, the mounting frame 18, the threaded sleeve 19, the second threaded rod 20 and the fixing plate 21, the welded parts are fixed.

[0023] A bearing seat 7 is fixedly connected to one side of the first threaded rod 5. The bearing seat 7 is provided to facilitate the rotation of the first threaded rod 5. One side of the bearing seat 7 is fixed to the side wall of the mounting groove 3. The lower end of the threaded block 6 is slidably connected to the bottom wall of the mounting groove 3. The upper end of the main body 8 is fixedly connected to the cylinder 9. The lower end of the cylinder 9 is fixedly connected to the upper electrode rod 10. The lower end of the upper electrode rod 10 is fixedly connected to the upper electrode cap 11. The upper end of the second threaded rod 20 is fixedly connected to the rotating handle 22. The rotating handle 22 is provided to facilitate the second threaded rod 20 to rotate.

[0024] Working principle: This elastic welding device for spot welding is used to connect the power supply, place the weldment on the placement plate 17, turn the rotating handle 22, and the rotating handle 22 drives the second threaded rod 20 to rotate. The second threaded rod 20 rotates in the threaded sleeve 19 and descends, thereby driving the fixing plate 21 to descend and fix the weldment. Start the transmission motor 4, and the transmission motor 4 drives the first threaded rod 5 to rotate. The first threaded rod 5 drives the threaded block 6 to move, thereby driving the main body 8 to move. At the same time, the spring 12 is compressed downward, so that the lower electrode cap 15 is always in contact with the lower surface of the weldment, and moves to the welding position. Start the cylinder 9 to drive the upper electrode cap 11 to descend and perform welding.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An elastic welding device for bump welding, characterized in that: include: A base (1), wherein a mounting column (2) is arranged at the top of the base (1), a mounting groove (3) is provided inside the mounting column (2), a transmission motor (4) is fixedly connected inside the mounting groove (3), a first threaded rod (5) is fixedly connected to the output shaft of the transmission motor (4), a threaded block (6) is threadedly connected to the outer surface of the first threaded rod (5), a main body (8) is fixedly connected to the upper end of the threaded block (6), a plurality of springs (12) are arranged inside the bottom end of the main body (8), the upper end of the spring (12) is fixedly connected to an elastic plate (13), the upper end of the elastic plate (13) is fixedly connected to a lower electrode rod (14), and the upper end of the lower electrode rod (14) is fixedly connected to a lower electrode cap (15); The upper end of the base (1) is fixedly connected to a plurality of support columns (16), the upper end of the support columns (16) is fixedly connected to a placement plate (17), the upper four corners of the placement plate (17) are fixedly connected to a mounting frame (18), the upper end of the mounting frame (18) is provided with a threaded sleeve (19), the internal thread of the threaded sleeve (19) is connected to a second threaded rod (20), and the lower end of the second threaded rod (20) is fixedly connected to a fixing plate (21).

2. An elastic welding device for bump welding according to claim 1, characterized in that: One side of the first threaded rod (5) is fixedly connected to a bearing seat (7), and one side of the bearing seat (7) is fixed to a side wall of the mounting groove (3).

3. The elastic welding device for bump welding according to claim 1, characterized in that: The lower end of the threaded block (6) is slidably connected to the bottom wall of the mounting groove (3).

4. The elastic welding device for bump welding according to claim 1, characterized in that: The upper end of the main body (8) is fixedly connected to a cylinder (9), the lower end of the cylinder (9) is fixedly connected to an upper electrode rod (10), and the lower end of the upper electrode rod (10) is fixedly connected to an upper electrode cap (11).

5. The elastic welding device for bump welding according to claim 1, characterized in that: The upper end of the second threaded rod (20) is fixedly connected to a rotating handle (22).

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