Sheet metal part welding equipment

Abstract

The invention relates to the technical field of sheet metal welding, in particular to sheet metal part welding equipment. The welding device comprises a mounting bottom plate, a mounting bracket is fixed above the mounting bottom plate, a welding part is assembled at the bottom of the mounting bracket, two adjusting seats are slidably connected to the inner side of the mounting bottom plate, and an adjusting mechanism used for adjusting the heights of the two adjusting seats is assembled on the inner side of the mounting bottom plate; and a collecting mechanism for collecting welding slag is assembled at the bottom of the mounting bottom plate. Through the structural design of the adjusting mechanism, the adjusting seats and the mounting plate, the efficiency of adjusting the heights of the two adjusting seats is effectively improved, and the operation process is simplified; through the structural design of a collecting mechanism, an output motor and a conveying chain, welding slag can be collected through a welding slag collecting box, the welding slag is discharged outwards when the heights of two adjusting bases are adjusted, and the welding slag collected in the welding slag collecting box can be discharged outwards through a welding slag discharging barrel without disassembling the collecting mechanism; and the workload of subsequently removing the welding slag is reduced.

Description

Technical Field

[0001] This invention relates to the field of sheet metal welding technology, specifically to a sheet metal welding equipment. Background Technology

[0002] Sheet metal parts, as an important product of comprehensive cold working processes for thin metal sheets, are widely used in industrial fields such as electronic equipment, home appliances, automobile manufacturing, and aerospace. Sheet metal processing encompasses various operations such as shearing, punching, cutting, bending, welding, and riveting, among which welding is a key step in ensuring the structural integrity and functionality of sheet metal parts.

[0003] In the welding process of sheet metal welding equipment, it is often necessary to butt multiple sheet metal parts at a specific angle, such as welding the bottom of one sheet metal part to the top of another. Therefore, some existing sheet metal welding equipment uses a mechanical ratchet and adjusting block to adjust the height of the adjusting seat. However, although this equipment solves the problem of needing an external pressure plate to adjust the height of the sheet metal parts when butt welding the bottom of one sheet metal part to the top of another, it still requires manual rotation of the adjusting block and manual pulling of the limit plate to release the ratchet lock before reversing the adjustment, making the height adjustment operation of the adjusting seat quite cumbersome. Summary of the Invention

[0004] The purpose of this invention is to provide a sheet metal welding device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sheet metal welding device, comprising a mounting base plate, a mounting bracket fixed above the mounting base plate, a welding component assembled at the bottom of the mounting bracket, two adjusting seats slidably connected to the inner side of the mounting base plate, an adjusting mechanism for adjusting the height of the two adjusting seats assembled on the inner side of the mounting base plate, and a collecting mechanism for collecting welding slag assembled at the bottom of the mounting base plate.

[0006] Furthermore, the adjustment mechanism includes a connecting rod, a transmission worm, a transmission worm wheel, and a height adjustment crankshaft. The connecting rod is rotatably connected to one side of the mounting base plate, one side of the transmission worm is fixedly connected to the connecting rod, the transmission worm wheel is meshed above the transmission worm, the height adjustment crankshaft is fixed to the inner side of the transmission worm wheel, and both ends of the height adjustment crankshaft are fixed with first support plates. One side of each of the two first support plates is fixedly connected to the mounting base plate.

[0007] Furthermore, two transmission blocks are rotatably connected to the outer side of the height adjustment crankshaft, and the tops of the two transmission blocks are rotatably connected to two connecting seats by pins. The tops of the connecting seats are fixedly connected to the adjustment seat located at the same end.

[0008] Furthermore, a second support plate is rotatably connected to the outer side of the height adjustment crankshaft and to both ends of the transmission worm gear, and one side of each of the two second support plates is fixedly connected to the mounting base plate.

[0009] Furthermore, guide blocks are fixed at both ends of the adjustment seat, and guide seats are fixed above the mounting base plate at positions corresponding to the guide blocks, with the guide blocks slidably connected to the inner side of the corresponding guide seats.

[0010] Furthermore, the inner side of the adjusting seat is fixed with a mounting plate, and the mounting plate has several through holes.

[0011] Furthermore, the collection mechanism includes a connecting cylinder, a slag guide cylinder, a slag collection box, a conveying drive shaft, and a spiral conveyor. The connecting cylinder is fixed to the bottom of the mounting base plate, the slag guide cylinder is fixed to the bottom of the connecting cylinder, the slag collection box is fixed to the bottom of the slag guide cylinder, the conveying drive shaft is located inside the slag collection box, and both sides of the conveying drive shaft are rotatably connected to the slag collection box. The spiral conveyor is fixed around the outside of the conveying drive shaft. An output motor is fixed to the outside of the slag collection box, and the output shaft of the output motor is fixed to the conveying drive shaft. A slag discharge cylinder is fixed to the bottom of the slag collection box. An extension shaft is fixed to one side of the conveying drive shaft, and a drive sprocket is fixed to the outside of the extension shaft. A driven sprocket is fixed to one side of the connecting rod. The drive sprocket and the driven sprocket are connected by a conveying chain. A protective shell is fixed to one side of the mounting base plate, and both the drive sprocket and the driven sprocket are located inside the protective shell.

[0012] Furthermore, an electric push rod is fixed to the bottom of the mounting bracket and at both ends of the welded component. The output shaft of the electric push rod is fixed to a connecting block, and a positioning block is fixed to the bottom of the connecting block.

[0013] Furthermore, a support base is fixed above the mounting base, a filter box is fixed on the top of the support base, an air intake is fixed inside the filter box, a baffle is fixed to the side of the filter box away from the adjustment seat by screws, and a filter plate for adsorbing and purifying welding fumes is also installed inside the filter box, the filter plate being located between the air intake and the baffle.

[0014] Furthermore, a support frame is fixed to the bottom of the mounting base plate, and an anti-slip plate is fixed to the bottom of the support frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention improves the efficiency of adjusting the height of the two adjustment seats and simplifies the operation process by adjusting the structure of the adjustment mechanism, adjustment seat and mounting plate. The height of the two adjustment seats can be adjusted by controlling the output motor, without the need for manual and laborious rotation.

[0016] 2. Through the structural design of the collection mechanism, output motor and conveyor chain, the present invention can collect welding slag through the welding slag collection box and discharge the welding slag outward when the height of the two adjusting seats is adjusted. Thus, the welding slag collected inside the welding slag collection box can be discharged outward through the welding slag discharge cylinder without disassembling the collection mechanism, reducing the workload of subsequent welding slag removal.

[0017] 3. By setting up an electric push rod, a connecting block and a positioning block, the present invention can position the sheet metal parts placed on the mounting plate during use, thereby providing a fixing function when the sheet metal parts need to be positioned, and avoiding the adverse effects caused by the movement of the sheet metal parts during the welding process.

[0018] 4. By setting up a filter box, an air intake fan, a baffle, and a filter plate, the present invention can draw the waste gas generated during welding into the filter box through the air intake fan, and discharge the waste gas after it is purified by the filter plate, effectively reducing the adverse effects of welding waste gas on the environment and operators. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a rear view of the present invention; Figure 3 This is a schematic diagram of the mounting base plate, drive sprocket, and conveyor chain of the present invention. Figure 4 This is a schematic diagram of the structure of the adjusting seat, mounting plate, connecting cylinder, and welding slag guide cylinder of the present invention; Figure 5 This is a schematic diagram of the structure of the adjusting mechanism, adjusting seat, and guide block of the present invention; Figure 6 This is a schematic diagram of the structure of the connecting cylinder, welding slag guide cylinder, conveying drive shaft and spiral conveyor plate of the present invention; Figure 7 This is a schematic diagram of the structure of the extension shaft, driving sprocket, driven sprocket and conveyor chain of the present invention.

[0020] Reference numerals: 1. Mounting base plate; 2. Mounting bracket; 3. Welding component; 4. Adjusting seat; 5. Connecting rod; 6. Transmission worm gear; 7. Transmission worm wheel; 8. Height adjustment crankshaft; 9. First support plate; 10. Transmission block; 11. Connecting seat; 12. Second support plate; 13. Guide block; 14. Guide seat; 15. Mounting plate; 16. Connecting cylinder; 17. Welding slag guide cylinder; 18. Welding slag collection box; 19. Conveying drive shaft; 20. Spiral conveyor blade; 21. Output motor; 22. Welding slag discharge cylinder; 23. Extension shaft; 24. Drive sprocket; 25. Driven sprocket; 26. Conveying chain; 27. Protective shell; 28. Electric push rod; 29. ​​Connecting block; 30. Positioning block; 31. Support seat; 32. Filter box; 33. Air intake; 34. Baffle; 35. Support frame. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. 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.

[0022] Example 1: Please refer to the following: Figures 1-5 A sheet metal welding device includes a mounting base plate 1, a mounting bracket 2 fixed on the top of the mounting base plate 1, a support frame 35 fixed to the bottom of the mounting base plate 1 by welding, and an anti-slip sheet fixed to the bottom of the support frame 35 by adhesive.

[0023] The bottom of the mounting bracket 2 is fitted with a welded component 3. Two adjusting seats 4 are slidably connected to the inner side of the mounting base plate 1. Guide blocks 13 are fixed to both ends of each adjusting seat 4. Guide seats 14 are fixed above the mounting base plate 1 at positions corresponding to the guide blocks 13. The guide blocks 13 are slidably connected to the inner side of the corresponding guide seats 14. The cooperation between the guide blocks 13 and the guide seats 14 prevents the adjusting seats 4 from tilting during movement. To enhance the wear resistance and stability of the guide blocks 13 and guide seats 14, hard chrome plating can be applied to their surfaces, and sealing strips can be installed on the guide seats 14 for dust prevention. Specific options can be selected based on the actual production environment.

[0024] The inner sides of the two adjusting seats 4 are fixed with mounting plates 15. The mounting plates 15 have several through holes for the welding slag to fall to the bottom, so that the welding slag can enter the welding slag collection box 18 for easy collection.

[0025] To avoid the heat from welding affecting the adjusting seat 4 and the mounting plate 15, the adjusting seat 4 and the mounting plate 15 can also be made of stainless steel, or a heat-resistant coating can be sprayed on the surface of the adjusting seat 4 and the mounting plate 15. The specific choice can be made according to the actual production scenario.

[0026] An adjustment mechanism for adjusting the height of two adjustment seats 4 is installed on the inner side of the mounting base plate 1, and a collection mechanism for collecting welding slag is installed on the bottom of the mounting base plate 1.

[0027] Here, the adjustment mechanism includes a connecting rod 5, a transmission worm 6, a transmission worm wheel 7, and a height adjustment crankshaft 8. The connecting rod 5 is rotatably connected to one side of the mounting base plate 1. One side of the transmission worm 6 is fixedly connected to the connecting rod 5. The transmission worm wheel 7 is meshed and connected above the transmission worm 6. The height adjustment crankshaft 8 is fixed to the inner side of the transmission worm wheel 7. Both ends of the height adjustment crankshaft 8 are fixed with first support plates 9. One side of each of the two first support plates 9 is fixedly connected to the mounting base plate 1. In use, the connecting rod 5 drives the transmission worm 6 to rotate, and then the transmission worm 6 meshes with the transmission worm wheel 7 to drive the height adjustment crankshaft 8 to rotate. In combination with the structural features of the height adjustment crankshaft 8, the height adjustment crankshaft 8 drives the two adjustment seats 4 to move in opposite directions through the transmission of the two transmission blocks 10, thereby adjusting the height of the two adjustment seats 4, so that the sheet metal parts can be quickly adjusted to the appropriate position. This makes it convenient to adjust the height of the two adjusting seats 4 during use without the need for manual and laborious rotation. Furthermore, by utilizing the self-locking features of the transmission worm 6 and transmission worm wheel 7, it is no longer necessary to manually pull the limit plate to release the ratchet lock before reverse adjustment. The stability after adjustment is higher, and the operation process is simpler.

[0028] In other embodiments, an industrial camera can be installed at the middle position of the bottom of the mounting bracket 2. The industrial camera can automatically identify the position of the sheet metal parts and the joint, thereby making it easier to guide adjustment and welding.

[0029] Two transmission blocks 10 are rotatably connected to the outer side of the height adjustment crankshaft 8. The tops of the two transmission blocks 10 are rotatably connected to two connecting seats 11 by pins. The tops of the connecting seats 11 are fixedly connected to the adjusting seats 4 located at the same end, so that transmission can be carried out through the transmission blocks 10. The height of the two adjusting seats 4 can be adjusted by utilizing the structural features of the height adjustment crankshaft 8.

[0030] In this embodiment, in order to maintain the stability of the height adjustment crankshaft 8 when it rotates, and to provide further auxiliary support, a second support plate 12 is rotatably connected to the outer side of the height adjustment crankshaft 8 and to both ends of the transmission worm gear 7. One side of each of the two second support plates 12 is fixedly connected to the mounting base plate 1.

[0031] Example 2: Please refer to the following: Figures 1-7 This embodiment is an improvement on the first embodiment. The collection mechanism includes a connecting cylinder 16, a slag guide cylinder 17, a slag collection box 18, a conveying drive shaft 19, and a spiral conveyor 20. The connecting cylinder 16 is fixed to the bottom of the mounting base plate 1, the slag guide cylinder 17 is fixed to the bottom of the connecting cylinder 16, the slag collection box 18 is fixed to the bottom of the slag guide cylinder 17, the conveying drive shaft 19 is located inside the slag collection box 18, and both sides of the conveying drive shaft 19 are rotatably connected to the slag collection box 18 through bearings. The spiral conveyor 20 is fixed around the outside of the conveying drive shaft 19. An output motor 21 is bolted to the outside of the slag collection box 18, and the output shaft of the output motor 21 is fixed to the conveying drive shaft 19. A slag discharge cylinder 22 is fixed to the bottom of the slag collection box 18. During the welding of sheet metal parts, the slag produced by welding will fall downwards and be collected in the slag collection box 18 by the guidance of the slag guide cylinder 17. When the height of the two adjusting seats 4 is adjusted by the drive output motor 21, the conveying transmission shaft 19 drives the spiral conveyor 20 to rotate. The spiral conveyor 20 conveys the welding slag to the top of the welding slag discharge cylinder 22, and finally discharges the welding slag outward through the welding slag discharge cylinder 22. This allows the welding slag collected inside the welding slag collection box 18 to be discharged outward without subsequently disassembling the collection mechanism.

[0032] Furthermore, the output motor 21 can be connected to the main controller, and multiple sets of height values ​​can be preset through the controller according to the frequently adjusted height, thereby realizing automated electric adjustment, further improving the adjustment accuracy and speed, and enhancing the intelligence level of the equipment. The output motor 21 can also be connected to a control button, which is mounted on the top of the mounting base 1, allowing for manual control. In addition, both the controller and control button are existing technologies, and the connection and circuitry between them and the output motor 21 are mature existing technologies with wide applications, which will not be elaborated further here.

[0033] An extension shaft 23 is fixed to one side of the conveying drive shaft 19, and a drive sprocket 24 is fixed to the outside of the extension shaft 23. A driven sprocket 25 is fixed to one side of the connecting rod 5. The drive sprocket 24 and the driven sprocket 25 are connected by a conveying chain 26. Through the connection between the drive sprocket 24, the driven sprocket 25 and the conveying chain 26, the conveying drive shaft 19 and the transmission worm gear 6 can rotate synchronously during use, thereby enabling the conveying of welding slag while adjusting the two adjusting seats 4, thus improving the convenience of operation.

[0034] Here, a protective housing 27 is fixed on one side of the mounting base plate 1. The drive sprocket 24 and the driven sprocket 25 are both located inside the protective housing 27. The protective housing 27 protects the transmission of the drive sprocket 24 and the driven sprocket 25, ensuring the long-term stable operation of the equipment, while preventing the drive sprocket 24 and the driven sprocket 25 from affecting the operator during operation.

[0035] Example 3: Please refer to the following: Figure 1 and Figure 2 This embodiment is an improvement on embodiment two. The bottom of the mounting bracket 2 and both ends of the welding component 3 are bolted with electric push rods 28. The output shaft of the electric push rod 28 is fixed with a connecting block 29, and the bottom of the connecting block 29 is fixed with a positioning block 30. In use, by placing the two sheet metal parts on the two mounting plates 15 respectively, and then driving the electric push rod 28, the connecting block 29 and the positioning block 30 can be moved, thereby causing the positioning block 30 to apply downward pressure to the sheet metal parts. This can provide a fixing effect when the sheet metal parts need to be positioned, and prevent the sheet metal parts from moving during the welding process and causing adverse effects.

[0036] The weight of the sheet metal parts to be welded must not exceed the load-bearing capacity of the adjusting mechanism and output motor 21. Specific requirements must be met according to the equipment specifications to prevent overloading and avoid jamming during height adjustment. Furthermore, when driving the electric push rod 28 to move the connecting block 29 and positioning block 30, excessive adjustment should be avoided. The sheet metal parts should only be fixed in place to prevent positional shifts during welding. Care should be taken to avoid excessive downward pressure from the positioning block 30 on the sheet metal parts to prevent affecting the structure's lifespan.

[0037] Example 4: Please refer to the following: Figure 1 and Figure 2 This embodiment is an improvement on embodiment three. A support base 31 is bolted to the top of the mounting base 1. A filter box 32 is welded to the top of the support base 31. An air suction machine 33 is bolted to the inside of the filter box 32. A baffle 34 is screwed to the side of the filter box 32 away from the adjusting seat 4. A filter plate for adsorbing and purifying welding fumes is also installed inside the filter box 32. By activating the air suction machine 33 between welding operations, the exhaust gas generated during welding is drawn into the filter box 32 and finally purified by the filter plate before being discharged, thereby reducing the adverse effects of welding exhaust gas on the environment and operators. After long-term use, the baffle 34 can be removed from the filter box 32, and the filter plate inside the filter box 32 can be cleaned or replaced to maintain the reliability of exhaust gas purification.

[0038] Here, the filter plate is located between the air intake 33 and the baffle 34. The material of the filter plate used for adsorbing and purifying welding fumes can be any existing technology that is mature in the field, and its material will not be described in detail here.

[0039] In summary, the sheet metal welding equipment provided by the present invention, when in operation, places a container directly below the slag discharge cylinder 22 to receive the slag discharged from the slag collection box 18.

[0040] Before welding, the suction machine 33 is started to draw the exhaust gas generated during the welding process into the filter box 32. The exhaust gas is then purified by the filter plate and discharged, thereby reducing the adverse effects of welding exhaust gas.

[0041] When performing flush welding of two sheet metal parts, the two sheet metal parts are placed on top of the two mounting plates 15 respectively. The positioning block 30 is moved by driving the electric push rod 28 to position the two sheet metal parts and prevent them from moving during welding. Then, welding can be performed through the welding component 3.

[0042] When welding two sheet metal parts to different heights, the two sheet metal parts are placed on top of two mounting plates 15 respectively. Then, the output motor 21 drives the conveyor shaft 19 to rotate. Through the transmission of the extension shaft 23, the drive sprocket 24, the driven sprocket 25, and the conveyor chain 26, the connecting rod 5 is rotated, which in turn drives the transmission worm 6 to rotate. The transmission worm 6 meshes with the transmission worm wheel 7, causing the height adjustment crankshaft 8 to rotate around the axis of the transmission worm wheel 7. Through the transmission of the two transmission blocks 10, the two adjusting seats 4 are moved in opposite directions, thereby adjusting the height of the two adjusting seats 4 so that the sheet metal parts are adjusted to the appropriate position. The self-locking characteristic between the transmission worm 6 and the transmission worm wheel 7 can effectively maintain the stability after adjustment. Then, the electric push rod 28 is driven to move the positioning block 30 to position the two sheet metal parts, which are then welded by the welding component 3.

[0043] During the welding process, the generated welding slag falls downwards and enters the welding slag collection box 18 after being guided by the welding slag guide cylinder 17. When the height of the two adjusting seats 4 is adjusted, the conveying drive shaft 19 drives the spiral conveyor blade 20 to rotate, thereby conveying the welding slag upwards to the welding slag discharge cylinder 22, and then it falls downwards into the container through the welding slag discharge cylinder 22.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A sheet metal welding equipment, characterized in that, The system includes a mounting base plate (1), a mounting bracket (2) fixed on the top of the mounting base plate (1), a welding component (3) assembled at the bottom of the mounting bracket (2), two adjusting seats (4) slidably connected to the inner side of the mounting base plate (1), an adjusting mechanism for adjusting the height of the two adjusting seats (4) assembled on the inner side of the mounting base plate (1), and a collecting mechanism for collecting welding slag assembled at the bottom of the mounting base plate (1).

2. The sheet metal welding equipment according to claim 1, characterized in that, The adjustment mechanism includes a connecting rod (5), a transmission worm (6), a transmission worm wheel (7), and a height adjustment crankshaft (8). The connecting rod (5) is rotatably connected to one side of the mounting base plate (1). One side of the transmission worm (6) is fixedly connected to the connecting rod (5). The transmission worm wheel (7) is meshed and connected above the transmission worm (6). The height adjustment crankshaft (8) is fixed to the inner side of the transmission worm wheel (7). Both ends of the height adjustment crankshaft (8) are fixed with first support plates (9). One side of each of the two first support plates (9) is fixedly connected to the mounting base plate (1).

3. The sheet metal welding equipment according to claim 2, characterized in that, Two transmission blocks (10) are rotatably connected to the outer side of the height adjustment crankshaft (8). The tops of the two transmission blocks (10) are rotatably connected to two connecting seats (11) by pins. The tops of the connecting seats (11) are fixedly connected to the adjustment seat (4) located at the same end.

4. The sheet metal welding equipment according to claim 2, characterized in that, The height adjustment crankshaft (8) is rotatably connected to the two ends of the transmission worm gear (7) with a second support plate (12), and one side of each of the two second support plates (12) is fixedly connected to the mounting base plate (1).

5. The sheet metal welding equipment according to claim 2, characterized in that, Guide blocks (13) are fixed at both ends of the adjustment seat (4), and guide seats (14) are fixed above the mounting base plate (1) and at the corresponding positions of the guide blocks (13). The guide blocks (13) are slidably connected to the inner side of the corresponding guide seats (14).

6. The sheet metal welding equipment according to claim 5, characterized in that, The inner side of each adjustment seat (4) is fixed with a mounting plate (15), and the mounting plate (15) has several through holes.

7. The sheet metal welding equipment according to claim 2, characterized in that, The collection mechanism includes a connecting cylinder (16), a slag guide cylinder (17), a slag collection box (18), a conveying drive shaft (19), and a spiral conveyor (20). The connecting cylinder (16) is fixed to the bottom of the mounting base plate (1), the slag guide cylinder (17) is fixed to the bottom of the connecting cylinder (16), the slag collection box (18) is fixed to the bottom of the slag guide cylinder (17), the conveying drive shaft (19) is located inside the slag collection box (18), and both sides of the conveying drive shaft (19) are rotatably connected to the slag collection box (18). The spiral conveyor (20) is fixed around the outside of the conveying drive shaft (19). The slag collection box (18)... An output motor (21) is fixed to the outside of the slag collection box (18). The output shaft of the output motor (21) is fixed to the conveying drive shaft (19). A slag discharge cylinder (22) is fixed to the bottom of the slag collection box (18). An extension shaft (23) is fixed to one side of the conveying drive shaft (19). A drive sprocket (24) is fixed to the outside of the extension shaft (23). A driven sprocket (25) is fixed to one side of the connecting rod (5). The drive sprocket (24) and the driven sprocket (25) are connected by a conveying chain (26). A protective shell (27) is fixed to one side of the mounting base plate (1). The drive sprocket (24) and the driven sprocket (25) are both located inside the protective shell (27).

8. The sheet metal welding equipment according to claim 1, characterized in that, Electric push rods (28) are fixed at the bottom of the mounting bracket (2) and at both ends of the welding component (3). A connecting block (29) is fixed to the output shaft of the electric push rod (28), and a positioning block (30) is fixed to the bottom of the connecting block (29).

9. The sheet metal welding equipment according to claim 1, characterized in that, A support base (31) is fixed above the mounting base (1), and a filter box (32) is fixed on the top of the support base (31). An air intake machine (33) is fixed inside the filter box (32). A baffle (34) is fixed to the side of the filter box (32) away from the adjustment seat (4) by screws. A filter plate for adsorbing and purifying welding fumes is also installed inside the filter box (32). The filter plate is located between the air intake machine (33) and the baffle (34).

10. A sheet metal welding equipment according to claim 1, characterized in that, The bottom of the mounting base plate (1) is fixed with a support frame (35), and the bottom of the support frame (35) is fixed with an anti-slip plate.

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