Welding fixture for automatic welding robot

Abstract

The invention relates to a welding fixture for an automatic welding robot, and belongs to the technical field of welding fixtures, the welding fixture comprises a fixture main body, a multi-axis mechanical arm is arranged on the outer wall of the fixture main body, a welding gun is arranged at one end of the multi-axis mechanical arm, and a fixing frame is fixedly connected to the outer wall of the fixture main body. An intermittent disc and a switching rod are arranged, so that when a welding clamp assists a robot in welding machining, the clamping stability of a clamping rod adapting to to-be-welded objects in different shapes is improved, the complexity caused by frequent disassembly and assembly of the clamping rod is prevented, and the effect of synchronous switching welding of multiple sets of objects is improved; when the clamping rods in different shapes need to be adjusted and used, the rotating block and the rotating rod rotate and drive the fixing column to intermittently slide along the inner wall of the limiting groove, meanwhile, the intermittent disc is driven to intermittently rotate, and under connection of the connecting shaft, the effect that the switching rod conducts synchronous switching adjustment movement is achieved.

Description

Technical Field

[0001] This invention relates to the field of welding fixture technology, and more specifically, to a welding fixture for an automated welding robot. Background Technology

[0002] Welding robots are industrial robots that can replace humans to complete welding work independently and are mainly engaged in welding, including cutting and spraying. Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. During welding, clamps are usually used to limit the workpiece. Therefore, welding clamps are needed to assist objects in welding operations.

[0003] In the prior art, a welding fixture for an automatic welding robot, with publication number CN217859721U, includes a U-shaped base. Two symmetrically arranged electric slide rails are provided on the left side of the inner wall of the U-shaped base. Two electric sliders, each extending to its right side, are located inside each electric slide rail. A mounting box is located to the right of each electric slider. Each mounting box contains an adjustment component extending to opposite sides of the two mounting boxes. This welding fixture for an automatic welding robot, by setting the adjustment components, activates a servo motor to drive a worm gear to rotate forward. This worm gear, meshing with the worm gear, drives a bidirectional threaded rod to rotate forward, causing the threaded blocks on both sides to move relative to the connecting blocks and clamping blocks, reducing the distance between the clamping blocks on both sides. When the servo motor rotates in reverse, the distance between the clamping blocks on both sides increases, thus achieving adjustable clamping range.

[0004] However, while existing welding fixtures offer good adjustment range, the fixed shape of the clamping rods during welding reduces their effectiveness in intermittently changing the shape of the rods. This necessitates frequent disassembly and reassembly of the clamping rods when welding objects of different shapes, diminishing the fixture's flexibility in adapting to different shapes. Furthermore, when using the fixture to assist welding robots, the heat recovery from welding is ineffective, and the synchronization and adjustment of the connecting pipe's status are poor when using it for heat recovery. This hinders the efficient removal of impurities generated during welding by external gas through the connecting pipe, failing to meet user needs. Therefore, we propose a welding fixture for automated welding robots. Summary of the Invention

[0005] To address the problems mentioned in the background, this invention provides a welding fixture for an automated welding robot. This fixture addresses the issues raised in the background art, such as the fixed shape of the clamping rod, the poor effectiveness of intermittent use of the clamping rod on the fixture, the inadequate dust recovery of welding heat, and the poor synchronicity of the connecting pipe's usage state when assisting in heat recovery, thus reducing the efficiency of external gas in easily blowing away and cleaning welding impurities through the connecting pipe.

[0006] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows: A welding fixture for an automated welding robot includes a fixture body, a multi-axis robotic arm mounted on the outer wall of the fixture body, a welding gun mounted at one end of the multi-axis robotic arm, a fixed frame fixedly connected to the outer wall of the fixture body, a sliding frame slidably connected to the outer wall of the fixture body located on one side of the fixed frame, a control box fixedly connected to the outer wall of the sliding frame, an intermittent disk rotatably connected to the inner wall of the control box, a connecting shaft extending to the outer wall of the control box fixedly connected to the rotation center of the intermittent disk, a conversion rod fixedly connected to one end of the connecting shaft, a connecting plate fixedly connected to the outer wall of the conversion rod, a sliding rod slidably connected to the outer wall of the connecting plate, and a clamping rod detachably connected to the outer wall of the sliding rod by bolts. An air supply pump is provided on the side wall of the fixture body, and an air supply pipe is provided on the outer wall of the air supply pump. A connecting pipe is fixedly connected to one end of the air supply pipe, and an air suction pipe is provided at one end of the connecting pipe. A dust collection box is fixedly connected to one end of the air suction pipe. An insulation box is provided on the side wall of the dust collection box, and a fixed hose is fixedly connected to the top of the insulation box through the connecting pump. A connecting nozzle is fixedly connected to one end of the fixed hose.

[0007] Preferably, the outer wall of the control box is provided with a first servo motor, the output end of the first servo motor is fixedly connected to a first gear, the outer wall of the first gear is meshed with a second gear, the rotation center of the second gear is fixedly connected to a rotating block, the rotation center of the rotating block is fixedly connected to a rotating rod, and one end of the rotating rod is fixedly connected to a fixed column that is slidably connected to the outer wall of the intermittent disk.

[0008] Preferably, a limit groove is provided at the connection between the outer wall of the intermittent disk and the fixed column, and an intermittent groove is provided at the connection between the outer wall of the intermittent disk and the rotating block; The limiting groove is set on the rotation trajectory of the fixed column, and there are four sets of limiting grooves. The positions of the four sets of limiting grooves are equidistant from the rotation center of the intermittent disk.

[0009] Preferably, the outer wall of the conversion rod has a cross-shaped profile, and four sets of connecting plates are provided, with the four sets of connecting plates distributed around the conversion rod.

[0010] Preferably, the outer wall of the connecting plate is fixedly connected to an electric push rod that is fixedly connected to the outer wall of the sliding rod. There are two sets of electric push rods, and the driving directions of the two sets of electric push rods are opposite. The outer wall contour of the clamping rod is set with different shapes.

[0011] Preferably, the outer wall of the fixture body is provided with a second servo motor, the output end of the second servo motor is fixedly connected to a first threaded rod that is threadedly connected to the outer wall of the sliding frame, and the outer wall of the sliding frame is slidably connected to a limiting rod that is fixedly connected to the outer wall of the fixture body.

[0012] Preferably, the dust collector is provided with a positive electrode plate inside, a negative electrode roller is provided on one side of the positive electrode plate, an activated carbon adsorption mesh is provided inside the dust collector, and insulation cotton is provided inside the insulation box.

[0013] Preferably, a fixing plate is fixedly connected to the top of the fixing frame, a third servo motor is provided on the outer wall of the fixing plate, a second threaded rod is fixedly connected to the output end of the third servo motor, and a telescopic rod that is slidably connected to the outer wall of the second threaded rod is threadedly connected to the outer wall of the fixing plate; The outer wall of the fixed plate is provided with a telescopic groove at the connection between it and the telescopic rod. The fixed hose is made of corrugated pipe as a whole, and the telescopic rod and the fixed hose are fixedly connected.

[0014] Preferably, a fourth servo motor is provided on the outer wall of the fixture body, and a third threaded rod is fixedly connected to the output end of the fourth servo motor. A threaded slide rod that is slidably connected to the bottom of the fixture body is threadedly connected to the outer wall of the third threaded rod. A swing rod that is rotatably connected to the bottom of the fixture body is slidably connected to the outer wall of the threaded slide rod. A rotating shaft is fixedly connected to the rotation center of the swing rod. A conversion plate located inside the connecting tube is fixedly connected to one end of the rotating shaft. A sealing ring that is fixedly connected to the inner wall of the connecting tube is fitted to the outer wall of the conversion plate.

[0015] Preferably, a fixing groove is provided at the bottom of the fixture body where it connects with the threaded slide rod, and an adjustment groove is provided at the outer wall of the swing rod where it connects with the threaded slide rod. Two sets of swing rods are provided, with the two sets of swing rods rotating in opposite directions, and the swing rods and the conversion plate are arranged in a one-to-one correspondence.

[0016] Compared with the prior art, the beneficial effects of this invention are as follows: 1. The intermittent disk and conversion rod of this invention can improve the clamping stability of the clamping rod to different shapes of items to be welded when welding is performed by a welding fixture-assisted robot. This prevents the cumbersome process caused by frequent disassembly and assembly of the clamping rod and improves the effect of synchronous conversion welding of multiple objects. When it is necessary to adjust the clamping rod of different shapes, the first servo motor is turned on, and the rotation of the first gear drives the second gear to rotate. The rotation of the second gear drives the rotating block and rotating rod to rotate, and drives the fixed column to slide intermittently along the inner wall of the limiting groove. At the same time, the intermittent disk rotates intermittently, and with the connection of the connecting shaft, the conversion rod can achieve the effect of synchronous conversion adjustment.

[0017] 2. The connecting pipe provided in this invention can, when used for welding with a welding fixture-assisted robot, drive the conversion plate to connect the gas supply pipe and the connecting pipe in order to improve the convenient blowing effect of impurities generated in the welding area, and turn on the gas supply pump so that gas is sprayed out from the connecting pipe, thereby achieving the effect of convenient blowing and cleaning of debris generated after welding.

[0018] 3. The dust collection box and heat preservation box set in this invention can improve the synchronous dust collection and recovery effect of the fumes generated during welding by the fixture-assisted robot. The suction pipe is connected to the connecting pipe, and the gas delivery pipe is closed to the connecting pipe. The heat and fumes generated during welding are drawn into the dust collection box for electrostatic dust removal and then transported to the heat preservation box. At the same time, with the connection of the fixed hose, the dust-removed hot gas is sprayed out through the connecting nozzle to achieve the preheating effect on the surface of the object to be welded.

[0019] 4. The telescopic rod provided in this invention can improve the adjustment effect of the heat output position when the recovered heat is used through the connecting nozzle. By turning the third servo motor and rotating the second threaded rod, the telescopic rod is driven to slide along the outer wall of the fixed plate, thereby achieving the effect of convenient adjustment of the position of the connecting nozzle.

[0020] 5. The swing arm provided in this invention can improve the ease of adjusting the usage status of the connecting pipe when switching between the air supply pipe and the air intake pipe. By turning on the fourth servo motor and rotating the third threaded rod, the threaded slide rod slides along the inner wall of the fixed groove and along the inner wall of the limiting groove. At the same time, the rotation of the swing arm, through the connection of the rotating shaft, drives the conversion plate to rotate, thereby achieving the effect of convenient adjustment of the usage status of the connecting pipe. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall side view structure of the present invention; Figure 3 This is a schematic diagram of the overall side view structure of the present invention; Figure 4 This is a schematic diagram of the connection structure between the first threaded rod and the sliding frame of the present invention; Figure 5 This is a schematic diagram of the internal structure of the dust collector box of the present invention; Figure 6 This is a schematic diagram of the internal structure of the control box of the present invention; Figure 7 This is a schematic diagram of the connection structure between the connecting shaft and the conversion rod of the present invention; Figure 8 This is a schematic diagram of the connection structure between the conversion rod and the connecting plate of the present invention; Figure 9 This is a schematic cross-sectional view of the connecting pipe structure of the present invention; Figure 10 This is a schematic diagram of the connection structure between the threaded slide bar and the swing rod of the present invention; Figure 11 For the present invention Figure 9 Enlarged structural diagram at point A in the diagram; Figure 12 For the present invention Figure 1 A magnified structural diagram at point B in the diagram.

[0022] The labels in the attached diagram are: 1. Fixture body; 2. Multi-axis robotic arm; 3. Welding gun; 4. Fixture frame; 5. Sliding frame; 6. Control box; 7. First servo motor; 8. First gear; 9. Second gear; 10. Rotating block; 11. Rotating rod; 12. Fixed column; 13. Intermittent plate; 14. Limiting groove; 15. Intermittent groove; 16. Connecting shaft; 17. Conversion rod; 18. Connecting plate; 19. Electric push rod; 20. Sliding rod; 21. Clamping rod; 22. Second servo motor; 23. First threaded rod; 24. Limiting rod; 25. Air supply. 26. Pump; 27. Gas delivery pipe; 28. Connecting pipe; 29. ​​Suction pipe; 30. Dust collector; 31. Insulation box; 32. Fixed hose; 33. Positive electrode plate; 34. Negative electrode roller; 35. Activated carbon adsorption mesh; 36. Fixed plate; 37. Third servo motor; 38. Second threaded rod; 39. Telescopic rod; 40. Connecting nozzle; 41. Fourth servo motor; 42. Third threaded rod; 43. Threaded slide bar; 44. Fixed groove; 45. Swing rod; 46. Adjusting groove; 47. Rotating shaft; 48. Conversion plate; 49. Sealing ring. Detailed Implementation

[0023] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0024] Example 1: Please see Figures 1 to 12 This embodiment provides a welding fixture for an automatic welding robot, including a fixture body 1. A multi-axis robotic arm 2 is provided on the outer wall of the fixture body 1. A welding gun 3 is provided at one end of the multi-axis robotic arm 2. A fixing frame 4 is fixedly connected to the outer wall of the fixture body 1. A sliding frame 5 located on one side of the fixing frame 4 is slidably connected to the outer wall of the fixture body 1. A control box 6 is fixedly connected to the outer wall of the sliding frame 5. An intermittent disk 13 is rotatably connected to the inner wall of the control box 6. A connecting shaft 16 extending to the outer wall of the control box 6 is fixedly connected to the rotation center of the intermittent disk 13. A conversion rod 17 is fixedly connected to one end of the connecting shaft 16. A connecting plate 18 is fixedly connected to the outer wall of the conversion rod 17. A sliding rod 20 is slidably connected to the outer wall of the connecting plate 18. A clamping rod 21 is detachably connected to the outer wall of the sliding rod 20 by bolts. An air supply pump 25 is provided on the side wall of the fixture body 1. An air supply pipe 26 is provided on the outer wall of the air supply pump 25. A connecting pipe 27 is fixedly connected to one end of the air supply pipe 26. An air suction pipe 28 is provided at one end of the connecting pipe 27. A dust collection box 29 is fixedly connected to one end of the air suction pipe 28. An insulation box 30 is provided on the side wall of the dust collection box 29. A fixed hose 31 is fixedly connected to the top of the insulation box 30 through the connecting pump. A connecting nozzle 39 is fixedly connected to one end of the fixed hose 31.

[0025] like Figure 6 As shown, a first servo motor 7 is provided on the outer wall of the control box 6. A first gear 8 is fixedly connected to the output end of the first servo motor 7. A second gear 9 meshes with the outer wall of the first gear 8. A rotating block 10 is fixedly connected to the rotation center of the second gear 9. A rotating rod 11 is fixedly connected to the rotation center of the rotating block 10. A fixed column 12 that is slidably connected to the outer wall of the intermittent disk 13 is fixedly connected to one end of the rotating rod 11. This arrangement of the rotating rod 11 and the rotating block 10 facilitates the intermittent rotation of the intermittent disk 13.

[0026] like Figure 6 As shown, a limiting groove 14 is provided at the connection between the outer wall of the intermittent disk 13 and the fixed column 12, and an intermittent groove 15 is provided at the connection between the outer wall of the intermittent disk 13 and the rotating block 10. The limiting groove 14 is set on the rotation trajectory of the fixed column 12. There are four sets of limiting grooves 14. The positions of the four sets of limiting grooves 14 are equidistant from the rotation center of the intermittent disk 13. This facilitates the intermittent sliding effect of the fixed column 12 through the setting of the limiting groove 14 and the intermittent groove 15.

[0027] like Figures 6-8As shown, the outer wall contour of the conversion rod 17 is cross-shaped, and four sets of connecting plates 18 are provided. The positions of the four sets of connecting plates 18 are distributed around the conversion rod 17, which is conducive to achieving the effect of switching the use of connecting plates 18 distributed in different positions by means of the cross-shaped outer wall contour of the conversion rod 17.

[0028] like Figure 8 As shown, the outer wall of the connecting plate 18 is fixedly connected to an electric push rod 19 which is fixedly connected to the outer wall of the sliding rod 20. There are two sets of electric push rods 19, and the driving directions of the two sets of electric push rods 19 are opposite. The outer wall contour of the clamping rod 21 is set in different shapes, which is beneficial to achieve the effect of clamping and fixing objects of different shapes by setting the outer wall contour of the clamping rod 21 in different shapes.

[0029] like Figure 5 As shown, a second servo motor 22 is provided on the outer wall of the fixture body 1. The output end of the second servo motor 22 is fixedly connected to a first threaded rod 23 that is threadedly connected to the outer wall of the sliding frame 5. A limiting rod 24 that is fixedly connected to the outer wall of the fixture body 1 is slidably connected to the outer wall of the sliding frame 5. This facilitates the convenient adjustment of the distance between the sliding frame 5 and the fixed frame 4 through the setting of the first threaded rod 23 and the limiting rod 24.

[0030] like Figure 5 As shown, a positive electrode plate 32 is provided inside the dust collection box 29, and a negative electrode roller 33 is provided on one side of the positive electrode plate 32. An activated carbon adsorption mesh 34 is provided inside the dust collection box 29, and insulation cotton is provided inside the heat preservation box 30. The arrangement of the positive electrode plate 32 and the negative electrode roller 33 facilitates the convenient dust collection and recovery of the heat carried by welding.

[0031] like Figure 12 As shown, a fixing plate 35 is fixedly connected to the top of the fixing frame 4. A third servo motor 36 is provided on the outer wall of the fixing plate 35. A second threaded rod 37 is fixedly connected to the output end of the third servo motor 36. A telescopic rod 38 that is slidably connected to the outer wall of the fixing plate 35 is threadedly connected to the outer wall of the second threaded rod 37. The outer wall of the fixed plate 35 is provided with a telescopic groove at the connection between it and the telescopic rod 38. The fixed hose 31 is made of corrugated pipe. The telescopic rod 38 and the fixed hose 31 are fixedly connected, which facilitates the convenient telescopic adjustment of the position of the connecting nozzle 39 through the setting of the telescopic rod 38.

[0032] like Figure 10 and Figure 11As shown, a fourth servo motor 40 is provided on the outer wall of the fixture body 1. A third threaded rod 41 is fixedly connected to the output end of the fourth servo motor 40. A threaded slide rod 42 that is slidably connected to the bottom of the fixture body 1 is threadedly connected to the outer wall of the third threaded rod 41. A swing rod 44 that is rotatably connected to the bottom of the fixture body 1 is slidably connected to the outer wall of the threaded slide rod 42. A rotating shaft 46 is fixedly connected to the rotation center of the swing rod 44. A conversion plate 47 located inside the connecting tube 27 is fixedly connected to one end of the rotating shaft 46. A sealing ring 48 that is fixedly connected to the inner wall of the connecting tube 27 is attached to the outer wall of the conversion plate 47. This facilitates the convenient switching and adjustment of the usage status of the connecting tube 27 through the setting of the conversion plate 47.

[0033] like Figure 12 As shown, a fixing groove 43 is provided at the bottom of the fixture body 1 where it connects with the threaded slide bar 42, and an adjusting groove 45 is provided at the outer wall of the swing rod 44 where it connects with the threaded slide bar 42. There are two sets of swing rods 44, and the two sets of swing rods 44 rotate in opposite directions. The swing rods 44 and the conversion plate 47 are arranged in a one-to-one correspondence, which is conducive to achieving the effect of limiting the sliding of the threaded slide bar 42 by opening the fixing groove 43 and the adjusting groove 45.

[0034] Working principle: like Figure 1-12 As shown, when the welding fixture is in use, firstly, when the welding processing is performed by the robot assisted by the welding fixture, in order to improve the clamping stability of the clamping rod 21 to adapt to different shapes of objects to be welded, prevent the cumbersomeness caused by frequent disassembly and assembly of the clamping rod 21, and improve the effect of synchronous conversion welding of multiple objects, when it is necessary to adjust the clamping rod 21 of different shapes, the first servo motor 7 is turned on, and the rotation of the first gear 8 drives the second gear 9 to rotate. The rotation of the second gear 9 drives the rotating block 10 and the rotating rod 11 to rotate, and drives the fixed column 12 to slide intermittently along the inner wall of the limiting groove 14. At the same time, it drives the intermittent disk 13 to rotate intermittently, and under the connection of the connecting shaft 16, the effect of synchronous conversion adjustment of the conversion rod 17 is achieved. Next, when using the welding fixture-assisted robot for welding, in order to improve the convenient blowing effect of impurities generated in the welding area, the conversion plate 47 is driven to connect the air supply pipe 26 and the connecting pipe 27, and the air supply pump 25 is turned on so that the gas is sprayed out from the connecting pipe 27, thereby achieving the effect of convenient blowing and cleaning of the debris generated after welding. Next, during the assisted welding process using a fixture-assisted robot, in order to improve the synchronous dust removal and recovery effect of the fumes generated during welding, the suction pipe 28 is connected to the connecting pipe 27, and the air supply pipe 26 is closed to the connecting pipe 27. This allows the heat fumes generated during welding to be drawn into the dust removal box 29 for electrostatic dust removal, and then transported to the heat preservation box 30. At the same time, with the connection of the fixed hose 31, the dust-removed hot air is sprayed out through the connecting nozzle 39 to achieve the preheating effect on the surface of the object to be welded. Next, when using the recovered heat through the connecting nozzle 39, in order to improve the adjustment effect of the heat output position, the third servo motor 36 is turned on and the second threaded rod 37 is rotated to drive the telescopic rod 38 to slide along the outer wall of the fixed plate 35, so as to achieve the effect of convenient adjustment of the position of the connecting nozzle 39. Finally, when switching between the air supply pipe 26 and the air intake pipe 28, in order to improve the ease of adjusting the usage status of the connecting pipe 27, the fourth servo motor 40 is turned on, and the rotation of the third threaded rod 41 drives the threaded slide rod 42 to slide along the inner wall of the fixed groove 43, and also drives the threaded slide rod 42 to slide along the inner wall of the adjustment groove 45. At the same time, the rotation of the swing rod 44, through the connection of the rotating shaft 46, drives the conversion plate 47 to rotate, thereby achieving the effect of convenient adjustment of the usage status of the connecting pipe 27.

[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A welding fixture for an automated welding robot, comprising a fixture body (1), characterized in that: The outer wall of the clamp body (1) is provided with a multi-axis robotic arm (2), one end of the multi-axis robotic arm (2) is provided with a welding gun (3), the outer wall of the clamp body (1) is fixedly connected with a fixed frame (4), the outer wall of the clamp body (1) is slidably connected with a sliding frame (5) located on one side of the fixed frame (4), the outer wall of the sliding frame (5) is fixedly connected with a control box (6), the inner wall of the control box (6) is rotatably connected with an intermittent disk (13), the rotation center of the intermittent disk (13) is fixedly connected with a connecting shaft (16) extending to the outer wall of the control box (6), one end of the connecting shaft (16) is fixedly connected with a conversion rod (17), the outer wall of the conversion rod (17) is fixedly connected with a connecting plate (18), the outer wall of the connecting plate (18) is slidably connected with a sliding rod (20), and the outer wall of the sliding rod (20) is detachably connected with a clamping rod (21) by bolts. An air supply pump (25) is provided on the side wall of the fixture body (1). An air supply pipe (26) is provided on the outer wall of the air supply pump (25). A connecting pipe (27) is fixedly connected to one end of the air supply pipe (26). An air suction pipe (28) is provided at one end of the connecting pipe (27). A dust collection box (29) is fixedly connected to one end of the air suction pipe (28). An insulation box (30) is provided on the side wall of the dust collection box (29). A fixed hose (31) is fixedly connected to the top of the insulation box (30) through the connecting pump. A connecting nozzle (39) is fixedly connected to one end of the fixed hose (31).

2. The welding fixture for an automatic welding robot according to claim 1, characterized in that: The outer wall of the control box (6) is provided with a first servo motor (7), the output end of the first servo motor (7) is fixedly connected to a first gear (8), the outer wall of the first gear (8) is meshed with a second gear (9), the rotation center of the second gear (9) is fixedly connected to a rotating block (10), the rotation center of the rotating block (10) is fixedly connected to a rotating rod (11), and one end of the rotating rod (11) is fixedly connected to a fixed column (12) that is slidably connected to the outer wall of the intermittent disk (13).

3. A welding fixture for an automated welding robot according to claim 2, characterized in that: A limiting groove (14) is provided at the connection between the outer wall of the intermittent disk (13) and the fixed column (12), and an intermittent groove (15) is provided at the connection between the outer wall of the intermittent disk (13) and the rotating block (10). The limiting groove (14) is set on the rotation trajectory of the fixed column (12). There are four sets of the limiting groove (14), and the positions of the four sets of the limiting groove (14) are equidistant from the rotation center of the intermittent disk (13).

4. A welding fixture for an automatic welding robot according to claim 1, characterized in that: The outer wall of the conversion rod (17) is cross-shaped, and four sets of connecting plates (18) are provided, with the four sets of connecting plates (18) distributed around the conversion rod (17).

5. A welding fixture for an automated welding robot according to claim 1, characterized in that: The outer wall of the connecting plate (18) is fixedly connected to an electric push rod (19) which is fixedly connected to the outer wall of the sliding rod (20). There are two sets of electric push rods (19), and the driving directions of the two sets of electric push rods (19) are opposite. The outer wall contour of the clamping rod (21) is set in different shapes.

6. A welding fixture for an automated welding robot according to claim 1, characterized in that: The outer wall of the fixture body (1) is provided with a second servo motor (22), and the output end of the second servo motor (22) is fixedly connected to a first threaded rod (23) that is threadedly connected to the outer wall of the sliding frame (5). The outer wall of the sliding frame (5) is slidably connected to a limiting rod (24) that is fixedly connected to the outer wall of the fixture body (1).

7. A welding fixture for an automated welding robot according to claim 1, characterized in that: The dust collector (29) is equipped with a positive electrode plate (32) inside, and a negative electrode roller (33) is provided on one side of the positive electrode plate (32). The dust collector (29) is equipped with an activated carbon adsorption mesh (34) inside, and the heat preservation box (30) is equipped with heat preservation cotton inside.

8. A welding fixture for an automated welding robot according to claim 1, characterized in that: A fixing plate (35) is fixedly connected to the top of the fixing frame (4). A third servo motor (36) is provided on the outer wall of the fixing plate (35). A second threaded rod (37) is fixedly connected to the output end of the third servo motor (36). A telescopic rod (38) that is slidably connected to the outer wall of the fixing plate (35) is threadedly connected to the outer wall of the second threaded rod (37). The outer wall of the fixed plate (35) is provided with a telescopic groove at the connection between it and the telescopic rod (38). The fixed hose (31) is a corrugated pipe as a whole. The telescopic rod (38) and the fixed hose (31) are fixedly connected.

9. A welding fixture for an automatic welding robot according to claim 1, characterized in that: The outer wall of the fixture body (1) is provided with a fourth servo motor (40). The output end of the fourth servo motor (40) is fixedly connected to a third threaded rod (41). The outer wall of the third threaded rod (41) is threadedly connected to a threaded slide rod (42) that is slidably connected to the bottom of the fixture body (1). The outer wall of the threaded slide rod (42) is slidably connected to a swing rod (44) that is rotatably connected to the bottom of the fixture body (1). The rotation center of the swing rod (44) is fixedly connected to a rotating shaft (46). One end of the rotating shaft (46) is fixedly connected to a conversion plate (47) located inside the connecting tube (27). The outer wall of the conversion plate (47) is fitted with a sealing ring (48) that is fixedly connected to the inner wall of the connecting tube (27).

10. A welding fixture for an automated welding robot according to claim 9, characterized in that: The bottom of the fixture body (1) is provided with a fixing groove (43) at the connection between the threaded slide rod (42) and the outer wall of the swing rod (44) is provided with an adjustment groove (45) at the connection between the threaded slide rod (42). There are two sets of swing rods (44), and the two sets of swing rods (44) rotate in opposite directions. The swing rods (44) and the conversion plate (47) are arranged in a one-to-one correspondence.

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