A universal welding device for automobile parts processing

Abstract

The application discloses a universal welding device for automobile part machining, and relates to the technical field of part welding.The universal welding device comprises a base, a rotating column rotatably connected to the top of the base, and a placing plate fixedly connected to the top end of the rotating column.The universal welding device is characterized in that a cleaning unit is arranged, and when the sliding rod contacts the mounting block after welding, the sliding rod and the first rack stop moving, the first gear rotates to drive the rotating shaft, the L-shaped rod and the two cleaning brushes to rotate towards the welding head, and when the sliding rod moves away from the mounting block during the welding of the welding head by the electric telescopic rod, the tension spring drives the first rack to move towards the support, the movement of the first rack drives the first gear, the rotating shaft, the L-shaped rod and the two cleaning brushes to rotate downwards, the two cleaning brushes move away from the welding head, and the two cleaning brushes swing back and forth to clean the welding head, so that the welding head can be cleaned once after each welding, and the welding quality can be ensured.

Description

Technical Field

[0001] This invention relates to the field of component welding technology, and in particular to a general-purpose welding equipment for the processing of automotive components. Background Technology

[0002] As the foundation of the automotive industry, automotive parts need to be produced in large quantities, and welding is required during the production process.

[0003] Chinese patent CN118875561B discloses a general-purpose welding equipment for processing automotive parts. During the clamping and releasing of parts via a connecting seat driven by the clamping assembly, the top plate drives the rubber column to impact the guide plate, preventing weld slag from adhering to the guide plate and ensuring more thorough slag removal. This achieves linkage between the clamping assembly clamping or releasing parts and the top plate driving the rubber column to impact the guide plate, simplifying operation and improving overall work efficiency. Furthermore, pushing the push block allows for quick release of the clamping seat; pulling the push block upwards and then rotating it changes the clamping direction of the clamping assembly. The operation is simple and intuitive.

[0004] However, the above invention has the following shortcomings: In the process of welding the base of existing cylindrical parts, the welding slag that splashes during welding will adhere to the welding head, which needs to be cleaned. Most welding heads are only cleaned once after welding multiple parts, and the number of cleanings is relatively small. As the number of weldings increases, the welding head that is not cleaned in time will have a large amount of welding slag adhering to it, thus affecting the welding quality of the welding head. Summary of the Invention

[0005] The purpose of this invention is to provide a universal welding equipment for the processing of automotive parts, so as to solve the problems mentioned in the background art.

[0006] The technical solution of this invention is: a universal welding equipment for processing automotive parts, comprising a base, a rotating column rotatably connected to the top of the base, a placement plate fixedly connected to the top of the rotating column, and further comprising:

[0007] A welding mechanism, which is located on the base;

[0008] The welding mechanism includes a cleaning unit, an air blowing unit, a rotating unit, and an extrusion unit. The cleaning unit includes a fixed frame fixedly connected to the base, a movable frame slidably connected to the fixed frame, a fixed block fixedly connected to the movable frame, and a welding head fixedly connected to the fixed block. A fixed frame is fixedly connected to the top of the base, the movable frame is slidably connected to the fixed frame, and a rotating shaft is rotatably connected to the movable frame. An L-shaped rod is fixedly connected to the rotating shaft, and two cleaning brushes are fixedly connected to the L-shaped rod. The two cleaning brushes contact the welding head. A first gear is fixedly connected to one end of the rotating shaft. The movable frame is fixedly connected to... A bracket is connected, and a sliding rod is slidably connected to the bracket. One end of the sliding rod is fixedly connected to a first rack, which meshes with a first gear. A mounting block is fixedly connected to a fixed frame, and one end of the sliding rod contacts the mounting block. A fixed seat is fixedly connected to the top of the base, and an electric telescopic rod is fixedly connected to the fixed seat. A fixed rod is fixedly connected to the output end of the electric telescopic rod. A sliding seat is slidably connected to both the fixed rod and the fixed seat. A U-shaped rod is fixedly connected to the top of the sliding seat. A cylindrical rod is fixedly connected to the movable frame, and one end of the cylindrical rod extends into the U-shaped rod.

[0009] Preferably, a return spring is sleeved on the fixed rod, and the two ends of the return spring are fixedly connected to the fixed rod and the sliding seat respectively. A tension spring is sleeved on the sliding rod, and the two ends of the tension spring are fixedly connected to the bracket and the first rack respectively.

[0010] Preferably, a baffle is slidably connected to the welding head, a connecting rod is fixedly connected to the baffle, a fixing strip is fixedly connected to one end of the connecting rod, an extrusion block is fixedly connected to the rotating shaft, the extrusion block contacts the fixing strip when it rotates circumferentially, and a connecting spring is sleeved on the welding head, with both ends of the connecting spring fixedly connected to the baffle and the fixing block, respectively.

[0011] Preferably, the air blowing unit includes a fixed sleeve fixedly connected to the movable frame, a sliding piston rod slidably connected to the fixed sleeve, an L-shaped block fixedly connected to one end of the sliding piston rod, one end of the L-shaped block contacting the mounting block, a one-way air inlet pipe fixedly connected to the fixed sleeve, a one-way air outlet pipe fixedly connected to the fixed sleeve, a fixed pipe fixedly connected to the one-way air outlet pipe, an arc-shaped pipe fixedly connected to one end of the fixed pipe, and nozzles fixedly connected to both ends of the arc-shaped pipe.

[0012] Preferably, a telescopic spring is sleeved on the sliding piston rod, and the two ends of the telescopic spring are fixedly connected to the fixed sleeve and the sliding piston rod, respectively.

[0013] Preferably, the rotating unit includes a movable rod slidably connected to the fixed base, one end of the movable rod is fixedly connected to a second rack, a second gear is fixedly sleeved on the rotating column, the second gear meshes with the second rack, and a protrusion is fixedly connected to the top of the movable rod, the protrusion being located in the moving direction of the fixed rod.

[0014] Preferably, the fixed base is provided with a mounting spring, and the two ends of the mounting spring are fixedly connected to the movable rod and the fixed base, respectively.

[0015] Preferably, the extrusion unit includes a telescopic rod fixedly connected to the top of the base, a fixed plate fixedly connected to the top of the telescopic rod, a rotating shaft rotatably connected to the fixed plate, a pressure plate fixedly connected to the bottom of the rotating shaft, the pressure plate being located directly above the placement plate, and an extrusion spring sleeved on the telescopic rod, with both ends of the extrusion spring fixedly connected to the telescopic rod and the fixed plate, respectively.

[0016] Preferably, a beveled block is fixedly connected to the top of the fixing plate, and a pressing rod is fixedly connected to the top of the U-shaped rod, with the beveled block located in the moving direction of the pressing rod.

[0017] This invention provides a general-purpose welding equipment for processing automotive parts, which has the following improvements and advantages compared with the prior art:

[0018] Firstly, this invention, through the setting of the cleaning unit, allows the welding head to reset after welding by an electric telescopic rod. When the sliding rod contacts the mounting block, the sliding rod and the first rack stop moving, and the movable frame continues to retract into the fixed frame, causing the first gear to move and rotate on the first rack. The rotation of the first gear drives the rotating shaft, L-shaped rod, and two cleaning brushes to rotate towards the welding head. When the electric telescopic rod drives the welding head to weld the parts, when the sliding rod moves away from the mounting block, the tension spring drives the first rack to move towards the bracket. The movement of the first rack drives the first gear, rotating shaft, L-shaped rod, and two cleaning brushes to rotate downwards, causing the two cleaning brushes to move away from the welding head. This allows the two cleaning brushes to swing back and forth to clean the welding head, achieving cleaning of the welding head after each welding operation, thus ensuring the quality of each weld.

[0019] Secondly, during welding, the rotating shaft drives the extrusion block to rotate. The rotating extrusion block extrudes the fixing strip, causing the connecting rod and baffle to move towards the welding head. This allows the baffle to move to the welding end of the welding head, preventing welding slag from splashing onto the welding head behind the baffle, thus blocking the splashed welding slag.

[0020] Thirdly, this invention, through the setting of the air blowing unit, after welding is completed, the connecting spring drives the baffle to reset, the baffle squeezes the L-shaped block and drives the sliding piston rod to move, so that the sliding piston rod moves into the fixed sleeve, so that the gas in the fixed sleeve is sprayed out from the nozzle through the one-way air outlet pipe, the fixed pipe, and the arc-shaped pipe, thereby enabling the weld to be cooled by air blowing.

[0021] Fourthly, this invention, through the setting of the rotating unit, when the welding head moves to the welding point of the part, the sliding seat stops moving, while the electric telescopic rod drives the fixed rod to move continuously. The movement of the fixed rod causes the return spring to stretch and undergo elastic deformation. The movement of the fixed rod compresses the protrusion, causing the movable rod and the second rack to move. The movement of the movable rod causes the mounting spring to stretch and undergo elastic deformation. The movement of the second rack causes the second gear, the rotating column and the placement plate to rotate. The rotation of the placement plate causes the part and the pressure plate to rotate, so that the welding head performs circumferential welding on the part. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure from a first-view perspective in this invention;

[0024] Figure 2 This is a schematic diagram of the overall three-dimensional structure from a second perspective in this invention;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the cleaning unit in this invention;

[0026] Figure 4 This is a three-dimensional structural diagram of the extrusion block and fixing strip in this invention;

[0027] Figure 5 This is a three-dimensional structural diagram of the air blowing unit in this invention;

[0028] Figure 6 This is a schematic diagram of the internal cross-sectional planar structure of the fixing seat in this invention;

[0029] Figure 7 This is a three-dimensional structural diagram of the rotating unit in this invention.

[0030] Figure label:

[0031] 1. Base; 11. Rotating column; 12. Placement plate; 13. Fixing frame; 14. Movable frame; 15. Fixing block; 16. Welding head; 17. Electric telescopic rod; 18. Fixing rod; 19. Return spring; 110. Sliding seat; 111. U-shaped rod; 112. Cylindrical rod; 2. Rotating shaft; 21. First gear; 22. Bracket; 23. Sliding rod; 24. First rack; 25. Mounting block; 26. L-shaped rod; 27. Cleaning brush; 28. Tension spring; 3. Baffle; 31. Connecting spring; 32. Connecting... 33. Rod; 34. Fixing strip; 4. Extrusion block; 4. Fixing sleeve; 41. Sliding piston rod; 42. Telescopic spring; 43. One-way air inlet pipe; 44. One-way air outlet pipe; 45. Fixing pipe; 46. Arc-shaped pipe; 47. Nozzle; 48. L-shaped block; 5. Fixing base; 51. Movable rod; 52. Second rack; 53. Second gear; 54. Protrusion; 55. Mounting spring; 6. Telescopic rod; 61. Extrusion spring; 62. Fixing plate; 63. Beveled block; 64. Rotating shaft; 65. Pressure plate; 66. Extrusion rod. Detailed Implementation

[0032] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] This invention provides an improved universal welding equipment for processing automotive parts. The technical solution of this invention is as follows:

[0034] like Figures 1 to 7 As shown, this embodiment of the invention provides a universal welding device for processing automotive parts, including a base 1, a rotating column 11 rotatably connected to the top of the base 1, a placement plate 12 fixedly connected to the top of the rotating column 11, and further including:

[0035] Welding mechanism, located on base 1;

[0036] The welding mechanism includes a cleaning unit, an air blowing unit, a rotating unit, and an extrusion unit. The cleaning unit includes a fixed frame 13 fixedly connected to a base 1, a movable frame 14 slidably connected to the fixed frame 13, a fixed block 15 fixedly connected to the movable frame 14, and a welding head 16 fixedly connected to the fixed block 15. The fixed frame 13 is fixedly connected to the top of the base 1, the movable frame 14 is slidably connected to the fixed frame 13, a rotating shaft 2 is rotatably connected to the movable frame 14, an L-shaped rod 26 is fixedly connected to the rotating shaft 2, and two cleaning brushes 27 are fixedly connected to the L-shaped rod 26. The two cleaning brushes 27 are connected to the welding head 16. The rotating shaft 2 is in contact with the first gear 21, and the movable frame 14 is fixedly connected to the bracket 22. The bracket 22 is slidably connected to the sliding rod 23, and the sliding rod 23 is fixedly connected to the first rack 24. The first rack 24 meshes with the first gear 21. The fixed frame 13 is fixedly connected to the mounting block 25, and the sliding rod 23 is in contact with the mounting block 25. The top of the base 1 is fixedly connected to the fixed seat 5, and the fixed seat 5 is fixedly connected to the electric telescopic rod 17. The output end of the electric telescopic rod 17 is fixedly connected to the fixed rod 18, and the fixed rod 18 and the fixed seat 5 slide together. A sliding seat 110 is movably connected, and a U-shaped rod 111 is fixedly connected to the top of the sliding seat 110. A cylindrical rod 112 is fixedly connected to the movable frame 14, with one end of the cylindrical rod 112 extending into the U-shaped rod 111. After welding is completed using the cleaning unit, the electric telescopic rod 17 drives the welding head 16 to reset. When the sliding rod 23 contacts the mounting block 25, the sliding rod 23 and the first rack 24 stop moving, and the movable frame 14 continues to retract into the fixed frame 13, causing the first gear 21 to move and rotate on the first rack 24. The rotation of the first gear 21 drives the rotating shaft 2 and the L-shaped rod 26. As the two cleaning brushes 27 rotate toward the welding head 16, the electric telescopic rod 17 drives the welding head 16 to weld the parts. When the sliding rod 23 moves away from the mounting block 25, the tension spring 28 drives the first rack 24 to move toward the bracket 22. The movement of the first rack 24 drives the first gear 21, the rotating shaft 2, the L-shaped rod 26, and the two cleaning brushes 27 to rotate downward, so that the two cleaning brushes 27 move away from the welding head 16. This causes the two cleaning brushes 27 to swing back and forth to clean the welding head 16, thus achieving cleaning of the welding head 16 after each welding, thereby ensuring the welding quality each time.

[0037] Furthermore, a return spring 19 is sleeved on the fixed rod 18, with both ends of the return spring 19 fixedly connected to the fixed rod 18 and the sliding seat 110, respectively. A tension spring 28 is sleeved on the sliding rod 23, with both ends of the tension spring 28 fixedly connected to the bracket 22 and the first rack 24, respectively. With the return spring 19, the electric telescopic rod 17 drives the fixed rod 18 to move. The movement of the fixed rod 18 drives the sliding seat 110 to move via the return spring 19. When the sliding seat 110 stops moving, the fixed rod 18 can continue to move, thus enabling the return spring 19 to play a buffering role. With the tension spring 28, the tension spring 28 can drive the sliding rod 23 and the first rack 24 to reset.

[0038] Furthermore, a baffle 3 is slidably connected to the welding head 16, and a connecting rod 32 is fixedly connected to the baffle 3. A fixing strip 33 is fixedly connected to one end of the connecting rod 32. An extrusion block 34 is fixedly connected to the rotating shaft 2. When the extrusion block 34 rotates circumferentially, it contacts the fixing strip 33. A connecting spring 31 is sleeved on the welding head 16. The two ends of the connecting spring 31 are fixedly connected to the baffle 3 and the fixing block 15, respectively. With the setting of the baffle 3, during welding, the rotating shaft 2 rotates and drives the extrusion block 34 to rotate. The rotation of the extrusion block 34 extrudes the fixing strip 33 and drives the connecting rod 32 and the baffle 3 to move towards the welding head 16, so that the baffle 3 moves to the welding end of the welding head 16, so that the welding slag during the welding process will not splash onto the welding head 16 behind the baffle 3, thereby playing a role in blocking the splashed welding slag.

[0039] Furthermore, the air blowing unit includes a fixed sleeve 4 fixedly connected to the movable frame 14. A sliding piston rod 41 is slidably connected to the fixed sleeve 4. An L-shaped block 48 is fixedly connected to one end of the sliding piston rod 41. One end of the L-shaped block 48 is in contact with the mounting block 25. A one-way air inlet pipe 43 is fixedly connected to the fixed sleeve 4. A one-way air outlet pipe 44 is fixedly connected to the fixed sleeve 4. A fixed pipe 45 is fixedly connected to the one-way air outlet pipe 44. An arc-shaped pipe 46 is fixedly connected to one end of the fixed pipe 45. Spray nozzles are fixedly connected to both ends of the arc-shaped pipe 46. The head 47 and the sliding piston rod 41 are fitted with a telescopic spring 42. The two ends of the telescopic spring 42 are fixedly connected to the fixed sleeve 4 and the sliding piston rod 41 respectively. After welding is completed, the connecting spring 31 drives the baffle 3 to reset. The baffle 3 squeezes the L-shaped block 48 to drive the sliding piston rod 41 to move, so that the sliding piston rod 41 moves into the fixed sleeve 4. The gas in the fixed sleeve 4 is sprayed out from the nozzle 47 through the one-way air outlet pipe 44, the fixed pipe 45, and the arc pipe 46, so as to cool the weld seam by blowing air.

[0040] Furthermore, the rotating unit includes a movable rod 51 slidably connected to the fixed base 5. One end of the movable rod 51 is fixedly connected to a second rack 52. A second gear 53 is fixedly sleeved on the rotating column 11, and the second gear 53 meshes with the second rack 52. A protrusion 54 is fixedly connected to the top of the movable rod 51, and the protrusion 54 is located in the moving direction of the fixed rod 18. A mounting spring 55 is provided inside the fixed base 5, and both ends of the mounting spring 55 are fixedly connected to the movable rod 51 and the fixed base 5, respectively. Through the arrangement of the rotating unit, when the welding head 16 moves to the welding position of the part... At this point, the sliding seat 110 stops moving, while the electric telescopic rod 17 drives the fixed rod 18 to move continuously. The movement of the fixed rod 18 causes the return spring 19 to stretch and undergo elastic deformation. The movement of the fixed rod 18 presses the protrusion 54, causing the movable rod 51 and the second rack 52 to move. The movement of the movable rod 51 causes the mounting spring 55 to stretch and undergo elastic deformation. The movement of the second rack 52 causes the second gear 53, the rotating column 11, and the placement plate 12 to rotate. The rotation of the placement plate 12 causes the parts and the pressure plate 65 to rotate, so that the welding head 16 performs circumferential welding on the parts.

[0041] Furthermore, the extrusion unit includes a telescopic rod 6 fixedly connected to the top of the base 1. A fixed plate 62 is fixedly connected to the top of the telescopic rod 6. A rotating shaft 64 is rotatably connected to the fixed plate 62. A pressure plate 65 is fixedly connected to the bottom of the rotating shaft 64. The pressure plate 65 is located directly above the placement plate 12. A compression spring 61 is sleeved on the telescopic rod 6. Both ends of the compression spring 61 are fixedly connected to the telescopic rod 6 and the fixed plate 62, respectively. A beveled block 63 is fixedly connected to the top of the fixed plate 62. An extrusion rod 66 is fixedly connected to the top of the U-shaped rod 111. The edge block 63 is located in the moving direction of the extrusion rod 66. With the extrusion unit, when the electric telescopic rod 17 drives the sliding seat 110 to move, the sliding seat 110 moves and drives the U-shaped rod 111 and the extrusion rod 66 to move. The extrusion rod 66 moves and extrudes the protrusion 54, which drives the fixed plate 62 to move downward. The fixed plate 62 moves and drives the telescopic rod 6 to shorten. At the same time, the fixed plate 62 drives the extrusion spring 61 to compress and undergo elastic deformation. The fixed plate 62 moves and drives the rotating shaft 64 and the pressure plate 65 to move downward, so that the pressure plate 65 presses down the parts that need to be welded.

[0042] Working principle: Place the parts to be welded on the placement plate 12. Activate the electric telescopic rod 17 to move the fixed rod 18. The movement of the fixed rod 18, via the return spring 19, moves the sliding seat 110. The sliding seat 110 moves the U-shaped rod 111, which in turn moves the cylindrical rod 112 and the movable frame 14. The movable frame 14 moves the fixed block 15 and the welding head 16, bringing the welding head 16 to the welding position on the part. The movement of the U-shaped rod 111 moves the pressing rod 66, which in turn presses the protrusion 54, causing the fixed plate 62 to move downwards. The movement of the fixed plate 62 shortens the telescopic rod 6, and simultaneously compresses the pressing spring 61, causing it to elastically deform. The movement of the fixed plate 62 also causes rotation. Shaft 64 and pressure plate 65 move downwards, causing pressure plate 65 to press down on the parts to be welded. The movable frame 14 moves, driving bracket 22, sliding rod 23, and first rack 24 to move. Since tension spring 28 is in a stretched state, when sliding rod 23 moves away from mounting block 25, tension spring 28 drives first rack 24 to move towards bracket 22. The movement of first rack 24 drives first gear 21, rotating shaft 2, L-shaped rod 26, and two cleaning brushes 27 to rotate downwards, causing the two cleaning brushes 27 to move away from welding head 16. When movable frame 14 retracts into fixed frame 13, sliding rod 23 contacts mounting block 25 and stops moving, causing first gear 21 to move on first rack 24 and rotate. First gear 21 drives rotating shaft 2, L-shaped rod 26, and two cleaning brushes. The two cleaning brushes 27 rotate towards the welding head 16, causing them to swing back and forth to clean the welding head 16. This ensures that the welding head 16 is cleaned after each welding operation, guaranteeing the quality of each weld. As the rotating shaft 2 drives the cleaning brushes 27 to swing downwards, the rotating shaft 2 drives the extrusion block 34 to rotate. The extrusion block 34 rotates and extrudes the fixing strip 33, causing the connecting rod 32 and the baffle 3 to move towards the welding head 16. This moves the baffle 3 to the welding end of the welding head 16, preventing welding slag from splashing onto the welding head 16 behind the baffle 3, thus blocking the splashed welding slag. Since the telescopic spring 42 is in a compressed state, it drives the sliding piston rod 41 to return to its original position. The outward movement of the plunger 41 allows for air extraction through the one-way air inlet pipe 43. When the welding head 16 moves to the welding point of the part, the sliding seat 110 stops moving, while the electric telescopic rod 17 drives the fixed rod 18 to continue moving. The movement of the fixed rod 18 causes the return spring 19 to stretch and undergo elastic deformation. The movement of the fixed rod 18 presses against the protrusion 54, causing the movable rod 51 and the second rack 52 to move. The movement of the movable rod 51 causes the mounting spring 55 to stretch and undergo elastic deformation. The movement of the second rack 52 causes the second gear 53, the rotating column 11, and the placement plate 12 to rotate. The rotation of the placement plate 12 causes the part and the pressure plate 65 to rotate, allowing the welding head 16 to perform circumferential welding on the part. After welding is completed, the electric telescopic rod 17 drives the fixed rod 18 to return to its original position.The spring 55 drives the movable rod 51 to reset, causing the rotating column 11, the placement plate 12, the parts, and the pressure plate 65 to rotate and reset. Then, the fixed rod 18 drives the sliding seat 110 to reset via the reset spring 19. The sliding seat 110 drives the movable frame 14 to reset via the cylindrical rod 112, causing the first rack 24 to drive the first gear 21 and the rotating shaft 2 to rotate. The rotation of the rotating shaft 2 drives the extrusion block 34 to rotate, causing the extrusion block 34 to move away from the fixed strip 33. The connecting spring 31 drives the baffle 3 to reset. The baffle 3 extrudes the L-shaped block 48, causing the sliding piston rod 41 to move. This causes the sliding piston rod 41 to move into the fixed sleeve 4, allowing the gas in the fixed sleeve 4 to be ejected from the nozzle 47 through the one-way exhaust pipe 44, the fixed pipe 45, and the arc pipe 46, thereby cooling the weld. When the extrusion rod 66 moves away from the inclined block 63, the extrusion spring 61 drives the fixed plate 62, the rotating shaft 64, and the pressure plate 65 to reset.

[0043] The foregoing description enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A general-purpose welding equipment for processing automotive parts, comprising a base (1), characterized in that: The base (1) is rotatably connected to a rotating column (11) at its top, and a placement plate (12) is fixedly connected to the top of the rotating column (11). The base also includes: A welding mechanism located on the base (1); The welding mechanism includes a cleaning unit, an air blowing unit, a rotating unit, and an extrusion unit. The cleaning unit includes a fixed frame (13) fixedly connected to the base (1). A movable frame (14) is slidably connected to the fixed frame (13). A fixed block (15) is fixedly connected to the movable frame (14). A welding head (16) is fixedly connected to the fixed block (15). The fixed frame (13) is fixedly connected to the top of the base (1). The movable frame (14) is slidably connected to the fixed frame (13). A rotating shaft (2) is rotatably connected to the movable frame (14). An L-shaped rod (26) is fixedly connected to the rotating shaft (2). Two cleaning brushes (27) are fixedly connected to the L-shaped rod (26). The two cleaning brushes (27) are in contact with the welding head (16). A first gear (21) is fixedly connected to one end of the rotating shaft (2). A bracket (22) is fixedly connected to the movable frame (14). A sliding rod (23) is slidably connected to the bracket (22). A first rack (24) is fixedly connected to one end of the sliding rod (23). The first rack (24) meshes with the first gear (21). An mounting block (25) is fixedly connected to the fixed frame (13). One end of the sliding rod (23) contacts the mounting block (25). A fixed seat (5) is fixedly connected to the top of the base (1). An electric telescopic rod (17) is fixedly connected to the fixed seat (5). A fixed rod (18) is fixedly connected to the output end of the electric telescopic rod (17). A sliding seat (110) is slidably connected to both the fixed rod (18) and the fixed seat (5). A U-shaped rod (111) is fixedly connected to the top of the sliding seat (110). A cylindrical rod (112) is fixedly connected to the movable frame (14). One end of the cylindrical rod (112) extends into the U-shaped rod (111).

2. The universal welding equipment for processing automotive parts according to claim 1, characterized in that: A return spring (19) is sleeved on the fixed rod (18), and the two ends of the return spring (19) are fixedly connected to the fixed rod (18) and the sliding seat (110) respectively. A tension spring (28) is sleeved on the sliding rod (23), and the two ends of the tension spring (28) are fixedly connected to the bracket (22) and the first rack (24) respectively.

3. A general-purpose welding equipment for processing automotive parts according to claim 2, characterized in that: A baffle (3) is slidably connected to the welding head (16), a connecting rod (32) is fixedly connected to the baffle (3), a fixing strip (33) is fixedly connected to one end of the connecting rod (32), an extrusion block (34) is fixedly connected to the rotating shaft (2), the extrusion block (34) contacts the fixing strip (33) when it rotates in a circle, a connecting spring (31) is sleeved on the welding head (16), and the two ends of the connecting spring (31) are fixedly connected to the baffle (3) and the fixing block (15) respectively.

4. A general-purpose welding equipment for processing automotive parts according to claim 3, characterized in that: The air blowing unit includes a fixed sleeve (4) fixedly connected to the movable frame (14), a sliding piston rod (41) slidably connected to the fixed sleeve (4), an L-shaped block (48) fixedly connected to one end of the sliding piston rod (41), one end of the L-shaped block (48) contacting the mounting block (25), a one-way air inlet pipe (43) fixedly connected to the fixed sleeve (4), a one-way air outlet pipe (44) fixedly connected to the fixed sleeve (4), a fixed pipe (45) fixedly connected to the one-way air outlet pipe (44), an arc-shaped pipe (46) fixedly connected to one end of the fixed pipe (45), and nozzles (47) fixedly connected to both ends of the arc-shaped pipe (46).

5. A general-purpose welding equipment for processing automotive parts according to claim 4, characterized in that: A telescopic spring (42) is sleeved on the sliding piston rod (41), and the two ends of the telescopic spring (42) are fixedly connected to the fixed sleeve (4) and the sliding piston rod (41) respectively.

6. A general-purpose welding equipment for processing automotive parts according to claim 4, characterized in that: The rotating unit includes a movable rod (51) slidably connected to the fixed base (5). One end of the movable rod (51) is fixedly connected to a second rack (52). A second gear (53) is fixedly sleeved on the rotating column (11). The second gear (53) meshes with the second rack (52). A protrusion (54) is fixedly connected to the top of the movable rod (51). The protrusion (54) is located in the moving direction of the fixed rod (18).

7. A general-purpose welding equipment for processing automotive parts according to claim 6, characterized in that: The fixed base (5) is provided with a mounting spring (55), and the two ends of the mounting spring (55) are fixedly connected to the movable rod (51) and the fixed base (5) respectively.

8. A general-purpose welding equipment for processing automotive parts according to claim 1, characterized in that: The extrusion unit includes a telescopic rod (6) fixedly connected to the top of the base (1). A fixing plate (62) is fixedly connected to the top of the telescopic rod (6). A rotating shaft (64) is rotatably connected to the fixing plate (62). A pressure plate (65) is fixedly connected to the bottom of the rotating shaft (64). The pressure plate (65) is located directly above the placement plate (12). A compression spring (61) is sleeved on the telescopic rod (6). The two ends of the compression spring (61) are fixedly connected to the telescopic rod (6) and the fixing plate (62) respectively.

9. A general-purpose welding equipment for processing automotive parts according to claim 8, characterized in that: The top of the fixed plate (62) is fixedly connected to a beveled block (63), and the top of the U-shaped rod (111) is fixedly connected to a pressing rod (66). The beveled block (63) is located in the moving direction of the pressing rod (66).

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