Suspension type resistance spot welding device

Abstract

The utility model relates to the technical field of suspension type resistance spot welding, and discloses a suspension type resistance spot welding device which comprises a sliding rail, the inner wall of the sliding rail is connected with a sliding plate in a sliding mode, the upper surface of the sliding plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a first rotating shaft, and a steel strand is arranged on the outer wall of the first rotating shaft. And a second rotating shaft is arranged on the outer wall of the steel strand, a third rotating shaft is arranged on the outer wall of the steel strand, a third fixing shaft is fixedly connected to the outer wall of the steel strand, and a second sliding shell is fixedly connected to the outer wall of the third fixing shaft. According to the device, the motor drives the first rotating shaft to rotate, the first rotating shaft pulls the steel strand, the steel strand pulls the second fixing shaft, the third rotating shaft pulls the steel strand, the steel strand pulls the third fixing shaft, the third fixing shaft drives the connecting assembly to ascend and descend, the connecting assembly drives the device to ascend and descend, and therefore the effect of greatly adjusting the height of the device can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of suspended resistance spot welding, in particular to a suspended resistance spot welding device. Background Art

[0002] Spot welding is a common metal joining process used to connect metal workpieces at the welding point through welding current and pressure. During the spot welding process, the welding electrode clamps two or more metal workpieces together, applies a certain amount of pressure, and heats the metal near the welding point through resistance, so that the metal melts instantly at high temperature and forms a welded joint. Suspension resistance spot welding is a variant of resistance spot welding, which is characterized by the welding head and electrode parts suspended in the air instead of directly contacting the workbench or fixed on the machine tool. This welding method is usually applied to large, bulky or difficult to move workpieces to facilitate the movement and operation of the welding head.

[0003] The existing suspended resistance spot welding device uses a chain to hang on the slide rail, and the height of the device cannot be greatly adjusted. At the same time, when facing welding at multiple angles and different positions, the angle cannot be greatly adjusted to adapt to the welding environment. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a suspended resistance spot welding device, which aims to improve the problem that the height of the spot welding device cannot be greatly adjusted and the welding angle cannot be greatly adjusted.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A suspended resistance spot welding device comprises a slide rail, the inner wall of the slide rail is slidably connected with a slide plate, the upper surface of the slide plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a first rotating shaft, the outer wall of the first rotating shaft is provided with a steel strand, the outer wall of the steel strand is provided with a second rotating shaft, the outer wall of the second rotating shaft is provided with a fixed shell, the inner wall of the fixed shell is fixedly connected with a first fixed shaft, the outer wall of the first fixed shaft is fixedly connected to the outer wall of the steel strand, the outer wall of the steel strand is provided with a third rotating shaft, the outer wall of the third rotating shaft is fixedly connected with a first sliding shell, the inner wall of the first sliding shell is fixedly connected with the second fixed shaft, the outer wall of the steel strand is fixedly connected with the third fixed shaft, the outer wall of the third fixed shaft is fixedly connected with the second sliding shell, and the outer wall of the third fixed shaft is provided with a connecting component.

[0007] Preferably, the connecting assembly comprises a connecting column, an inner wall of the connecting column is rotatably connected to an outer wall of the third fixed shaft, and one end of the connecting column is fixedly connected to a fixing rod.

[0008] Preferably, the outer wall of the second sliding shell is slidably connected to the inner wall of the first sliding shell, and the outer wall of the first sliding shell is slidably connected to the inner wall of the fixed shell.

[0009] Preferably, one end of the fixing rod is fixedly connected to a fixing ring, the inner wall of the fixing ring is rotatably connected to a pressing plate, and the inner wall of the pressing plate is fixedly connected to a fourth fixing shaft.

[0010] Preferably, a rubber sheet is fixedly connected to the outer wall of the fourth fixed shaft, and one end of the rubber sheet is fixedly connected to one end of the pressing sheet.

[0011] Preferably, a transmission shaft is fixedly connected to the interior of the pressing sheet, a turntable is fixedly connected to one end of the transmission shaft, and an outer wall of the transmission shaft is fixedly connected to the interior of the rubber sheet.

[0012] Preferably, one end of the pressing sheet is fixedly connected to a welding machine body, and an outer wall of the welding machine body is fixedly connected to a fixing arm.

[0013] Preferably, a movable arm is fixedly connected to one end of the welding machine body, and a welding electrode is fixedly connected to the lower surface of the fixed arm.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the first rotating shaft is driven to rotate by a motor, the first rotating shaft pulls the steel strand, the steel strand pulls the second fixed shaft, the second fixed shaft drives the first sliding shell to slide, the first sliding shell drives the third rotating shaft to slide, the third rotating shaft pulls the steel strand, the steel strand pulls the third fixed shaft, the third fixed shaft drives the second sliding shell to slide, and the third fixed shaft drives the connecting assembly to rise and fall, thereby achieving the effect of greatly adjusting the height of the spot welding device.

[0016] 2. In the utility model, the drive shaft is driven to rotate by the turntable, the drive shaft drives the welding machine body to rotate, the welding machine body drives the fixed arm to rotate, the welding machine body drives the movable arm to rotate, thereby driving the welding electrode to rotate, there are three groups of pressing plates, and two groups of rubber plates, which are placed in an interlaced manner and fixed with a fourth fixed shaft. Because of the squeezing effect of the rubber plate and the pressing plate and the friction effect of the rubber plate and the fixed ring, the rotating device will no longer rotate after the worker stops rotating the turntable, thereby achieving the effect of greatly adjusting the welding angle of the spot welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a hanging resistance spot welding device proposed by the utility model;

[0018] Figure 2 A schematic diagram of a slide rail of a suspension resistance spot welding device proposed by the utility model;

[0019] Figure 3 A schematic diagram of a rubber sheet of a suspension resistance spot welding device proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the fourth fixed axis of a suspended resistance spot welding device proposed by the utility model.

[0021] Legend:

[0022] 1. Slide rail; 2. Slide plate; 3. Motor; 4. First rotating shaft; 5. Steel strand; 6. Second rotating shaft; 7. Fixed shell; 8. First fixed shaft; 9. Third rotating shaft; 10. First sliding shell; 11. Second fixed shaft; 12. Third fixed shaft; 13. Second sliding shell; 14. Connecting column; 15. Fixed rod; 16. Fixed ring; 17. Pressing sheet; 18. Rubber sheet; 19. Fourth fixed shaft; 20. Transmission shaft; 21. Turntable; 22. Welding machine body; 23. Fixed arm; 24. Movable arm; 25. Welding electrode. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification 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 of 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.

[0024] Reference Figure 1-Figure 2 The utility model provides an embodiment: a suspended resistance spot welding device, comprising a slide rail 1, a slide plate 2 is slidably connected to the inner wall of the slide rail 1, a motor 3 is fixedly connected to the upper surface of the slide plate 2, a first rotating shaft 4 is fixedly connected to the output end of the motor 3, a steel strand 5 is arranged on the outer wall of the first rotating shaft 4, a second rotating shaft 6 is arranged on the outer wall of the steel strand 5, a fixed shell 7 is arranged on the outer wall of the second rotating shaft 6, a first fixed shaft 8 is fixedly connected to the inner wall of the fixed shell 7, the outer wall of the first fixed shaft 8 is fixedly connected to the outer wall of the steel strand 5, a third rotating shaft 9 is arranged on the outer wall of the steel strand 5, a first sliding shell 10 is fixedly connected to the outer wall of the third rotating shaft 9, a second fixed shaft 11 is fixedly connected to the inner wall of the first sliding shell 10, a third fixed shaft 12 is fixedly connected to the outer wall of the steel strand 5, a second sliding shell 13 is fixedly connected to the outer wall of the third fixed shaft 12, and a connecting component is arranged on the outer wall of the third fixed shaft 12;

[0025] Specifically, the motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 pulls the steel strand 5, the steel strand 5 pulls the second fixed shaft 11, the second fixed shaft 11 drives the first sliding shell 10 to slide, the first sliding shell 10 drives the third rotating shaft 9 to slide, the third rotating shaft 9 pulls the steel strand 5, the steel strand 5 pulls the third fixed shaft 12, the third fixed shaft 12 drives the second sliding shell 13 to slide, and the third fixed shaft 12 drives the connection assembly to rise and fall, thereby realizing the lifting and lowering of the resistance spot welding device.

[0026] Reference Figure 1 , Figure 3-Figure 4 The connecting assembly includes a connecting column 14, the inner wall of the connecting column 14 is rotatably connected to the outer wall of the third fixed shaft 12, and one end of the connecting column 14 is fixedly connected to a fixing rod 15; the outer wall of the second sliding shell 13 is slidably connected to the inner wall of the first sliding shell 10, and the outer wall of the first sliding shell 10 is slidably connected to the inner wall of the fixed shell 7; one end of the fixing rod 15 is fixedly connected to a fixing ring 16, the inner wall of the fixing ring 16 is rotatably connected to a pressing sheet 17, and the inner wall of the pressing sheet 17 is fixedly connected to a fourth fixed shaft 19; the outer wall of the fourth fixed shaft 19 is fixedly connected to a rubber sheet 18, and one end of the rubber sheet 18 is fixedly connected to one end of the pressing sheet 17; the inside of the pressing sheet 17 is fixedly connected to a transmission shaft 20, one end of the transmission shaft 20 is fixedly connected to a rotating disk 21, and the outer wall of the transmission shaft 20 is fixedly connected to the inside of the rubber sheet 18;

[0027] Specifically, the drive shaft 20 is driven to rotate by the turntable 21, the drive shaft 20 drives the welding machine body 22 to rotate, the welding machine body 22 drives the fixed arm 23 to rotate, the welding machine body 22 drives the movable arm 24 to rotate, thereby driving the welding electrode 25 to rotate, there are three groups of pressing plates 17, there are two groups of rubber sheets 18, which are placed in an interlaced manner and fixed with a fourth fixed shaft 19, because of the squeezing effect of the rubber sheets 18 and the pressing plates 17 and the friction effect of the rubber sheets 18 and the fixing ring 16, the rotating device will no longer continue to rotate after the worker stops rotating the turntable 21, thereby achieving the effect of rotation limiting, and realizing the change of welding angle and angle fixing of the resistance spot welding device.

[0028] Reference Figure 1 , Figure 3 One end of the pressing piece 17 is fixedly connected to a welding machine body 22, and a fixed arm 23 is fixedly connected to the outer wall of the welding machine body 22; one end of the welding machine body 22 is fixedly connected to a movable arm 24, and a welding electrode 25 is fixedly connected to the lower surface of the fixed arm 23;

[0029] Specifically, by turning on the power supply and starting the welding machine body 22, the worker operates the fixed arm 23 and the movable arm 24 to make the welding electrode 25 contact the part to be welded, a molten core is formed at the contact point and the weldment is partially melted. After the spot welding is completed, the temperature is cooled to connect the weldment, and the spot welding operation is completed.

[0030] Working principle: When the device needs to be used, the motor 3 fixed on the upper surface of the slide 2 is first started, the output end of the motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 pulls the steel strand 5, the steel strand 5 pulls the first sliding shell 10 to slide, the first sliding shell 10 drives the steel strand 5, the steel strand 5 pulls the second sliding shell 13 to slide, and the third fixed shaft 12 drives the connection assembly to rise and fall, thereby realizing the resistance spot welding device to rise and fall on the slide rail 1. When the resistance spot welding device reaches a suitable height, the turntable 21 is rotated, and the turntable 21 drives the transmission shaft 20 rotates, the transmission shaft 20 drives the pressing plate 17 and the rubber sheet 18 to rotate, the pressing plate 17 drives the welding machine body 22 to rotate, the welding machine body 22 drives the fixed arm 23 and the movable arm 24 to rotate, the fixed arm 23 and the movable arm 24 respectively drive the welding electrode 25 to rotate, after the rotation stops, due to the squeezing effect of the rubber sheet 18 and the pressing plate 17 and the friction effect of the rubber sheet 18 and the fixing ring 16, it no longer continues to rotate, thereby achieving the effect of rotation limiting, realizing the change of welding angle and angle fixing of the resistance spot welding device.

[0031] 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 suspended resistance spot welding device, comprising a slide rail (1), characterized in that: The inner wall of the slide rail (1) is slidably connected to a slide plate (2), the upper surface of the slide plate (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a first rotating shaft (4), the outer wall of the first rotating shaft (4) is provided with a steel strand (5), the outer wall of the steel strand (5) is provided with a second rotating shaft (6), the outer wall of the second rotating shaft (6) is provided with a fixed shell (7), the inner wall of the fixed shell (7) is fixedly connected to a first fixed shaft (8), the outer wall of the first fixed shaft (8) is fixedly connected to the outer wall of the steel strand (5), the outer wall of the steel strand (5) is provided with a third rotating shaft (9), the outer wall of the third rotating shaft (9) is fixedly connected to a first sliding shell (10), the inner wall of the first sliding shell (10) is fixedly connected to a second fixed shaft (11), the outer wall of the steel strand (5) is fixedly connected to a third fixed shaft (12), the outer wall of the third fixed shaft (12) is fixedly connected to a second sliding shell (13), and the outer wall of the third fixed shaft (12) is provided with a connecting component.

2. A hanging resistance spot welding device according to claim 1, characterized in that: The connection assembly comprises a connection column (14), the inner wall of the connection column (14) being rotatably connected to the outer wall of the third fixed shaft (12), and one end of the connection column (14) being fixedly connected to a fixing rod (15).

3. A hanging resistance spot welding device according to claim 1, characterized in that: The outer wall of the second sliding shell (13) is slidably connected to the inner wall of the first sliding shell (10), and the outer wall of the first sliding shell (10) is slidably connected to the inner wall of the fixed shell (7).

4. A hanging resistance spot welding device according to claim 2, characterized in that: One end of the fixing rod (15) is fixedly connected to a fixing ring (16), the inner wall of the fixing ring (16) is rotatably connected to a pressing plate (17), and the inner wall of the pressing plate (17) is fixedly connected to a fourth fixing shaft (19).

5. A hanging resistance spot welding device according to claim 4, characterized in that: A rubber sheet (18) is fixedly connected to the outer wall of the fourth fixed shaft (19), and one end of the rubber sheet (18) is fixedly connected to one end of the pressing sheet (17).

6. A hanging resistance spot welding device according to claim 4, characterized in that: A transmission shaft (20) is fixedly connected to the interior of the pressing sheet (17), a rotating disk (21) is fixedly connected to one end of the transmission shaft (20), and an outer wall of the transmission shaft (20) is fixedly connected to the interior of the rubber sheet (18).

7. A hanging resistance spot welding device according to claim 6, characterized in that: One end of the pressing sheet (17) is fixedly connected to a welding machine body (22), and an outer wall of the welding machine body (22) is fixedly connected to a fixing arm (23).

8. A hanging resistance spot welding device according to claim 7, characterized in that: A movable arm (24) is fixedly connected to one end of the welding machine body (22), and a welding electrode (25) is fixedly connected to the lower surface of the fixed arm (23).

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