Anti-deformation welding tool

Abstract

The invention relates to the technical field of welding tools, in particular to an anti-deformation welding tool which comprises a bottom plate, a plurality of clamping assemblies and a plurality of clamping assemblies. The placing assembly comprises a top plate, a plurality of mounting openings are symmetrically formed in the side edge of the top plate, and clamping assemblies are arranged in the mounting openings and used for clamping welding parts; the clamping assembly comprises two bases, two deflection plates, two clamping blocks and a spring tube, the two bases are symmetrically and fixedly connected to the bottom plate and located under the mounting opening, and the two deflection plates are symmetrically and rotationally connected to the two bases and arranged in the mounting opening; the two clamping blocks are symmetrically and fixedly connected to the sides, close to each other, of the two deflection plates. The multiple clamping assemblies are synchronously controlled through one driving piece, the clamping efficiency is improved, the synchronous and same-force clamping effect is guaranteed, and the welding effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding tooling, in particular to an anti-deformation welding tooling. Background Art

[0002] During the welding process of the frame structure, the anti-deformation welding tooling can minimize and control the deformation of the workpiece during and after welding, ensuring that the product meets the geometric accuracy and dimensional stability required by the design.

[0003] Patent publication number CN217254069U discloses a specialized tooling for preventing deformation during welding of frame-type components. The tooling comprises a chassis with several locating plates fixed to its surface at equal intervals. Lower U-shaped locating slots are symmetrically fixed to the top and ends of the locating plates. Through-bolts are provided on one side of the lower U-shaped locating slots. The inner cavity of the lower U-shaped locating slots cooperates with the through-bolts to clamp and secure the frame-type component. Several pressure plates are equidistantly provided on the top of the frame-type component. Upper U-shaped locating slots are symmetrically fixed to the bottom and ends of the pressure plates. The aforementioned patent secures the locating plates to the chassis and then compresses the frame-type component using the pressure plates, making it less susceptible to bending during welding. This effectively clamps the components and prevents deformation during welding.

[0004] However, the above device requires the use of a large number of motors and cylinders for synchronous driving during the welding process. Due to the excessive number of driving parts, not only is the cost of the tooling too high, but when one of the driving parts is damaged, the positioning effect of the welded parts will be reduced, affecting the welding effect. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that the cost of tooling is too high and when one of the driving parts is damaged, the positioning effect of the welding parts will be reduced, affecting the welding effect, and an anti-deformation welding tool is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: An anti-deformation welding tool comprises: a bottom plate, on which a placement component is provided, and the placement component is used to place a plurality of welding parts; The placement assembly includes a top plate, a plurality of mounting openings are symmetrically opened on the side of the top plate, and a clamping assembly is arranged inside the mounting opening, and the clamping assembly is used to clamp the weldment; The clamping assembly includes two bases, two deflection plates, two clamping blocks and a spring tube. The two bases are symmetrically fixedly connected to the bottom plate and are located directly below the mounting opening. The two deflection plates are symmetrically rotationally connected to the two bases and are arranged inside the mounting opening. The two clamping blocks are symmetrically fixedly connected to the sides of the two deflection plates that are close to each other. The spring tube is fixedly connected between the lower ends of the two deflection plates. The two deflection plates are both tilted and form an inverted figure eight shape. The sides of the mounting openings that are away from each other are tilted. When the mounting openings move upward, the two deflection plates are driven to deflect toward the middle to clamp the weldment.

[0007] Preferably, the placement assembly also includes a telescopic column and a mounting plate, a sliding opening is opened in the middle of the top plate, the mounting plate is fixedly connected in the middle of the sliding opening, and is fixedly connected to the bottom of the top plate, a mounting groove is opened in the middle of the bottom plate, the telescopic column is arranged inside the mounting groove, and the top is fixedly connected to the mounting plate.

[0008] Preferably, an opening is provided in the middle of the top plate, and two sliding grooves are symmetrically provided on the sides of the opening. A middle fixing component is provided inside the sliding groove, and the middle fixing component is used to clamp the weldment.

[0009] Preferably, the middle fixing assembly includes a sliding plate, two sliders, two fixed blocks and a tension spring. The two sliders are symmetrically fixedly connected at both ends of the sliding plate and are respectively slidably arranged inside the two sliding grooves. Four sliding grooves are opened on the sliding plate. The four fixed blocks are respectively slidably arranged inside the sliding grooves, and the two symmetrically arranged fixed blocks squeeze and clamp the weldment from both sides. The tension spring is fixedly connected between the two sliders.

[0010] Preferably, a plurality of ejection ports are provided on the top plate, and the ejection ports are arranged between two mounting ports. An ejection plate is provided inside the ejection port, and the ejection plate is T-shaped, and the bottom end of the ejection plate is fixedly connected to the bottom plate.

[0011] Preferably, a plurality of top fixing components are provided on the side of the top plate, and the top fixing components are provided on the side of the clamping components for fixing the weldment from above.

[0012] Preferably, the top fixing assembly includes a shaft seat, a stop block and a rotating block, the shaft seat is fixedly installed on the side of the top plate, the rotating block is fixedly connected to the side of the shaft seat and is located above the top plate, and the stop block is fixedly connected to the bottom end of the rotating block.

[0013] Preferably, the side opening and the pushing block are both horizontally arranged in a T-shape, the pushing block is limitedly slidably arranged inside the side opening to push the stop block to move, and the two first elastic sheets are fixedly connected between the pushing block and the side opening.

[0014] Preferably, a plurality of communication ports are opened on the sides of the installation ports close to the chute, and a limiting component is provided inside the communication port, and two limiting components are symmetrically arranged to limit the position of the middle fixing component; The limiting assembly includes four second elastic sheets, two moving blocks and a limiting bar. The two second elastic sheets are fixedly connected to the sides of the moving blocks and are fixedly connected to the connecting ports. The two moving blocks are respectively slidably arranged inside the two symmetrical connecting ports. The limiting bar is fixedly connected to the ends of the two moving blocks.

[0015] Preferably, a strip opening is opened in the middle of the deflection plate, and the strip opening is located below the deflection plate. The opening width of the strip opening is greater than the width of the moving block and the pushing block, and the outer side is inclined.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. Place multiple welded parts to be welded between multiple clamping assemblies. When the top plate is close to the bottom plate, since the spring tube is in a state without stress, the deflection plates on both sides deflect to the sides normally, which facilitates the placement of the welded parts. When fixing begins, the top plate moves up, and the contact position between the mounting opening and the deflection plate changes from the upper large opening to the lower opening, thereby squeezing the two deflection plates toward the middle, and clamping the welded parts through two clamping blocks deflected inward. The present invention uses a driving member to synchronously control multiple clamping assemblies, which not only reduces the use of driving members, but also improves the clamping efficiency, ensures synchronous and equal clamping, and improves the welding effect. 2. According to the welding requirements, multiple middle fixing components can be set inside the slide, so as to facilitate the clamping and limiting of multiple welded parts. In the limiting process, by pulling the two sliders toward the outside of the slide, a clamping space is formed between the two fixing blocks. The welded part is placed inside the clamping space, and the contraction force of the tension spring is used to firmly clamp the two fixing blocks on the side of the welded part, completing the clamping and fixing of the welded part. The operation is simple. By setting the sliding middle fixing component, the use requirements of welding in different positions are met, and the application range of the tooling is expanded. 3. When welding is completed, the top plate moves down, and the welded parts are lifted up by multiple ejector plates. There is enough transfer space below, which is convenient for rapid transfer by equipment or bare hands, thus improving the rapid transfer of welded parts after welding is completed. 4. By moving the top plate up and down, the top fixing assembly and the middle fixing assembly are synchronously controlled through the deflected deflection plate, which reflects the overall linkage effect of the welding tooling, can quickly realize a variety of auxiliary functions, and improve welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front structure of an anti-deformation welding tool proposed by the present invention; Figure 2 This is a schematic diagram of the structure of the placement components of an anti-deformation welding tool proposed by the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of an anti-deformation welding tool proposed by the present invention; Figure 4 This is a schematic structural diagram of a clamping assembly of an anti-deformation welding tool proposed by the present invention; Figure 5 This is a schematic structural diagram of a middle fixing assembly of an anti-deformation welding tool proposed by the present invention; Figure 6 This is a schematic structural diagram of a top fixing assembly of an anti-deformation welding tooling proposed by the present invention; Figure 7 This is a schematic cross-sectional view of an anti-deformation welding tooling proposed by the present invention; Figure 8 This is a schematic structural diagram of a pushing component of an anti-deformation welding tooling proposed by the present invention; Figure 9 This is a schematic structural diagram of a limit assembly of an anti-deformation welding tooling proposed by the present invention; Figure 10 This is a schematic diagram of the clamping state changes of an anti-deformation welding tool proposed by the present invention.

[0018] In the figure: 1. Bottom plate; 2. Placement assembly; 21. Top plate; 22. Telescopic column; 23. Mounting plate; 3. Clamping assembly; 31. Base; 32. Deflection plate; 33. Clamping block; 34. Spring tube; 4. Mounting port; 5. Middle fixing assembly; 51. Sliding plate; 52. Slider; 53. Fixed block; 54. Tension spring; 6. Top fixing assembly; 61. Rotating shaft seat; 62. Abutment block; 63. Rotating block; 7. Pushing assembly; 71. First elastic sheet; 72. Pushing block; 8. Limiting assembly; 81. Second elastic sheet; 82. Moving block; 83. Limiting strip; 9. Ejector plate; 10. Strip port. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are only for the convenience of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships should be regarded as within the scope of the present invention without substantially changing the technical content.

[0021] Reference Figures 1-10 , an anti-deformation welding tool, comprising: a base plate 1, a placement component 2 is provided on the base plate 1, and the placement component 2 is used to place multiple welding parts; The placement assembly 2 includes a top plate 21, and a plurality of mounting openings 4 are symmetrically opened on the side of the top plate 21. A clamping assembly 3 is provided inside the mounting opening 4, and the clamping assembly 3 is used to clamp the weldment; The clamping assembly 3 includes two bases 31, two deflection plates 32, two clamping blocks 33 and a spring tube 34. The two bases 31 are symmetrically fixedly connected to the bottom plate 1 and are located directly below the mounting opening 4. The two deflection plates 32 are symmetrically rotationally connected to the two bases 31 and are arranged inside the mounting opening 4. The two clamping blocks 33 are symmetrically fixedly connected to the sides of the two deflection plates 32 that are close to each other. The spring tube 34 is fixedly connected between the lower ends of the two deflection plates 32. The two deflection plates 32 are both tilted, and the two deflection plates 32 form an inverted eight-shaped shape. The mounting openings 4 are tilted away from each other. When the mounting openings 4 move upward, the two deflection plates 32 are driven to deflect toward the middle to clamp the weldment.

[0022] In an embodiment of the above technical solution, multiple welded parts to be welded are placed between multiple clamping assemblies 3. When the top plate 21 is close to the bottom plate 1, since the spring tube 34 is in a stress-free state, the deflection plates 32 on both sides are normally deflected to both sides, which is convenient for the placement of the welded parts. When the fixation starts, the top plate 21 moves up, and the contact position of the mounting port 4 and the deflection plate 32 changes from the upper large port to the lower port, thereby squeezing the two deflection plates 32 toward the middle, and completing the clamping of the welded parts through two clamping blocks 33 that deflect inward.

[0023] The present invention uses a driving member to synchronously control multiple clamping assemblies 3, which not only reduces the use of driving members, but also improves the clamping efficiency, ensures synchronous and equal-strength clamping, and improves the welding effect.

[0024] The preferred technical solution in this embodiment is: Reference Figure 2-3 The placement component 2 also includes a telescopic column 22 and a mounting plate 23. A sliding opening is opened in the middle of the top plate 21. The mounting plate 23 is fixedly connected in the middle of the sliding opening and is fixedly connected to the bottom of the top plate 21. A mounting groove is opened in the middle of the bottom plate 1. The telescopic column 22 is arranged inside the mounting groove, and the top is fixedly connected to the mounting plate 23.

[0025] Since welded parts at different positions need to be fixed separately during the process of position limiting clamping, the clamping speed of the welded parts is slow. At the same time, multiple driving parts are required for drive control, which consumes a lot of energy. When one of the driving parts fails, it will affect the welding effect of the entire frame.

[0026] Before welding, multiple welding parts of the frame are placed in the corresponding clamping assembly 3 positions, and the telescopic column 22 drives the mounting plate 23 to move up and down, thereby driving the top plate 21 to move up and down. The moving top plate 21 can drive multiple clamping assemblies 3 to clamp and fix multiple placed welding parts at the same time, which not only reduces the use of driving parts, but also can clamp and fix multiple welding parts synchronously, thereby improving the efficiency of welding.

[0027] Reference Figure 5 The top plate 21 is provided with an opening in the middle, and two chute grooves are symmetrically provided on the sides of the opening. A middle fixing component 5 is provided inside the chute, and the middle fixing component 5 is used to clamp the weldment; The middle fixing assembly 5 includes a sliding plate 51, two sliders 52, two fixed blocks 53 and a tension spring 54. The two sliders 52 are symmetrically fixedly connected to the two ends of the sliding plate 51 and are respectively slidably set inside the two sliding grooves. Four sliding grooves are opened on the sliding plate 51. The four fixed blocks 53 are respectively slidably set inside the sliding grooves, and the two symmetrically set fixed blocks 53 squeeze and clamp the weldment from both sides. The tension spring 54 is fixedly connected between the two sliders 52.

[0028] Since the positions of the welded parts in the middle of different frame structures are different, it is inconvenient for the welding tool to fix the welded parts in different positions, resulting in a smaller scope of application of the welding tool.

[0029] According to the requirements of welding, multiple middle fixing components 5 can be set inside the slide groove to facilitate clamping and limiting of multiple welded parts. During the limiting process, the two sliders 52 are pulled toward the outside of the slide groove to form a clamping space between the two fixing blocks 53. The welded part is placed inside the clamping space, and the contraction force of the tension spring 54 is used to firmly clamp the two fixing blocks 53 on the side of the welded part, thereby completing the clamping and fixing of the welded part. The operation is simple.

[0030] The provision of a slidable middle fixing assembly 5 satisfies the requirements for welding at different positions, thereby expanding the applicable scope of the tooling.

[0031] Reference Figure 4 The top plate 21 is provided with a plurality of top outlets, and the top outlets are arranged between the two mounting ports 4. An ejection plate 9 is arranged inside the top outlet, and the ejection plate 9 is T-shaped, and the bottom end is fixedly connected to the bottom plate 1.

[0032] Before welding, the welded parts are placed separately and the overall weight is relatively small. However, after welding is completed, the overall weight of the welded parts is relatively large. If placed on a welding rack, it is inconvenient for workers to quickly transfer them.

[0033] When placing the welded parts that need to be welded, the welded parts are placed on multiple ejector plates 9. During the upward movement of the top plate 21, the welded parts placed on the ejector plates 9 will gradually be transferred to the top plate 21, and the clamping components 3 on both sides clamp and weld the welded parts. When the welding is completed, the top plate 21 moves down, and the welded parts that have been welded will be lifted up by multiple ejector plates 9. There is enough transfer space below, which is convenient for rapid transfer by instruments or bare hands, thereby improving the rapid transfer of welded parts after welding is completed.

[0034] Reference Figure 6-7 , a plurality of top fixing components 6 are provided on the side of the top plate 21, and the top fixing components 6 are provided on the side of the clamping component 3 for fixing the weldment from above; The top fixing assembly 6 includes a shaft seat 61, a stop block 62 and a rotating block 63. The shaft seat 61 is fixedly installed on the side of the top plate 21. The rotating block 63 is fixedly connected to the side of the shaft seat 61 and is located above the top plate 21. The stop block 62 is fixedly connected to the bottom end of the rotating block 63.

[0035] During the welding process, to prevent the welding positions of the welded parts from being on the same horizontal plane, the welded parts need to be clamped and fixed synchronously from the vertical direction. A torsion spring is provided inside the shaft seat 61. When the telescopic column 22 is in the retracted state and the top plate 21 is located at the bottom, the shaft seat 61 drives the rotating block 63 to deflect outward, thereby facilitating the placement of the welded parts above the ejector plate 9. When welding begins, the telescopic column 22 moves upward, pushing the lower block 62 outward, thereby driving the upper rotating block 63 to deflect inward. The clamping end of the rotating block 63 clamps and fixes the upper part of the welded parts. This ensures that all welded parts are located on the same horizontal plane during the welding process, reducing deformation of the welded parts.

[0036] Reference Figure 8 , a plurality of side openings are opened on the sides of the mounting openings 4 near the edge of the top plate 21, and a pushing component 7 is provided inside the side opening, and the pushing component 7 is used to drive the top fixing component 6 to rotate; The pushing assembly 7 includes two first elastic sheets 71 and a pushing block 72. The side opening and the pushing block 72 are both horizontally arranged in a T-shape. The pushing block 72 is limitedly slidably arranged inside the side opening to push the stop block 62 to move. The two first elastic sheets 71 are fixedly connected between the pushing block 72 and the side opening.

[0037] The pushing assembly 7 is used to push the stop block 62 outward from the side, thereby completing the vertical clamping of the welded part. During the upward movement of the top plate 21, the side of the mounting port 4 will squeeze and deflect the deflection plates 32 on both sides. During the upward movement of the deflection plate 32, it will contact the pushing block 72, thereby pushing the pushing block 72 outward from the side port position. During the outward movement of the pushing block 72, the stop block 62 of the top fixing assembly 6 is pushed, thereby completing the rapid clamping of the clamping part by the rotating block 63. When the welding is completed and the top plate 21 moves downward, the pushing block 72 is reset under the action of the first elastic sheet 71.

[0038] The pushing component 7 performs synchronous extrusion and pushing through the up and down movement of the top plate 21 , which reduces the use of the structure and can simultaneously act on the synchronous control of multiple top fixing components 6 .

[0039] Reference Figure 9 , a plurality of communication ports are opened on the sides of the mounting openings 4 close to the chute, and a limiting component 8 is provided inside the communication port, and two limiting components 8 are symmetrically arranged to limit the position of the middle fixing component 5; The limiting assembly 8 includes four second elastic sheets 81, two moving blocks 82 and a limiting bar 83. The two second elastic sheets 81 are fixedly connected to the sides of the moving blocks 82 and are fixedly connected to the connecting ports. The two moving blocks 82 are respectively slidably arranged inside the two symmetrical connecting ports. The limiting bar 83 is fixedly connected to the ends of the two moving blocks 82.

[0040] Since the middle fixing component 5 can slide quickly after the middle welding part is fixed, but during welding, the position of the middle welding part needs to be fixed. During welding, the moving deflection plate 32 will also drive the moving block 82 to push toward the outside of the connecting port, thereby squeezing the limit strip 83 and the slider 52. By squeezing the sliders 52 on both sides, the fixation of the middle fixing component 5 is completed. After welding is completed, the position of the middle fixing component 5 can be quickly changed, which facilitates the rapid adaptation to different welding frames.

[0041] Reference Figure 8-10 A strip opening 10 is provided in the middle of the deflection plate 32 , and the strip opening 10 is located below the deflection plate 32 . The opening width of the strip opening 10 is greater than the width of the moving block 82 and the pushing block 72 , and the outer side is inclined.

[0042] When the top plate 21 is located at the bottom, the pushing blocks 72 and moving blocks 82 on both sides will move toward the position of the deflection plate 32 due to the contraction of the elastic sheet. At this time, the pushing blocks 72 and moving blocks 82 can move to the inside of the strip opening 10, thereby facilitating the resetting of the top fixing component 6 and the sliding of the middle fixing component 5. In the process of the top plate 21 moving upward, the pushing blocks 72 and moving blocks 82 will set the inclined side edges of the strip opening 10 to gradually contact the deflection plate 32, thereby being squeezed outward by the deflection plate 32, completing the control of the top fixing component 6 and the limitation of the middle fixing component 5.

[0043] By moving the top plate 21 up and down, the top fixing assembly 6 and the middle fixing assembly 5 are synchronously controlled by the deflected deflection plate 32, which reflects the overall linkage effect of the welding tooling, can quickly realize various auxiliary functions, and improve welding efficiency.

[0044] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An anti-deformation welding tool, comprising: A base plate (1), characterized in that a placement component (2) is provided on the base plate (1), and the placement component (2) is used to place a plurality of welded parts; The placement component (2) includes a top plate (21), a plurality of mounting openings (4) are symmetrically provided on the side of the top plate (21), a clamping component (3) is provided inside the mounting opening (4), and the clamping component (3) is used to clamp the weldment; The clamping assembly (3) comprises two bases (31), two deflection plates (32), two clamping blocks (33) and a spring tube (34), the two bases (31) are symmetrically fixedly connected to the bottom plate (1) and are located directly below the mounting opening (4), the two deflection plates (32) are symmetrically rotationally connected to the two bases (31) and are arranged inside the mounting opening (4), the two clamping blocks (33) are symmetrically fixedly connected to the sides of the two deflection plates (32) that are close to each other, and the spring tube (34) is fixedly connected between the lower ends of the two deflection plates (32); The two deflection plates (32) are both tilted, and the two deflection plates (32) form an inverted figure eight shape. The mounting openings (4) are tilted on the side away from each other. When the mounting openings (4) move upward, the two deflection plates (32) are driven to deflect toward the middle to clamp the weldment.

2. The anti-deformation welding tool according to claim 1, characterized in that: The placement assembly (2) further comprises a telescopic column (22) and a mounting plate (23); a sliding opening is provided in the middle of the top plate (21); the mounting plate (23) is fixedly connected in the middle of the sliding opening and is fixedly connected to the bottom of the top plate (21); a mounting groove is provided in the middle of the bottom plate (1); the telescopic column (22) is arranged inside the mounting groove and the top is fixedly connected to the mounting plate (23).

3. The anti-deformation welding tool according to claim 1, characterized in that: An opening is provided in the middle of the top plate (21), and two slide grooves are symmetrically provided on the sides of the opening. A middle fixing component (5) is provided inside the slide groove, and the middle fixing component (5) is used to clamp the welded part.

4. The anti-deformation welding tool according to claim 3, characterized in that: The middle fixing assembly (5) includes a sliding plate (51), two sliders (52), two fixed blocks (53) and a tension spring (54). The two sliders (52) are symmetrically fixedly connected to the two ends of the sliding plate (51) and are respectively slidably arranged inside the two sliding grooves. Four sliding grooves are provided on the sliding plate (51). The four fixed blocks (53) are respectively slidably arranged inside the sliding grooves. The two symmetrically arranged fixed blocks (53) squeeze and clamp the weldment from both sides. The tension spring (54) is fixedly connected between the two sliders (52).

5. The anti-deformation welding tool according to claim 1, characterized in that: A plurality of ejection outlets are provided on the top plate (21), and the ejection outlets are arranged between the two mounting openings (4). An ejection plate (9) is provided inside the ejection outlet, and the ejection plate (9) is T-shaped, and the bottom end is fixedly connected to the bottom plate (1).

6. The anti-deformation welding tool according to claim 3, characterized in that: A plurality of top fixing components (6) are provided on the side of the top plate (21), and the top fixing components (6) are provided on the side of the clamping component (3) and are used to fix the welded parts from above.

7. The anti-deformation welding tool according to claim 6, characterized in that: The top fixing assembly (6) comprises a rotating shaft seat (61), a stop block (62) and a rotating block (63), wherein the rotating shaft seat (61) is fixedly mounted on the side of the top plate (21), the rotating block (63) is fixedly connected to the side of the rotating shaft seat (61) and is located above the top plate (21), and the stop block (62) is fixedly connected to the bottom end of the rotating block (63).

8. The anti-deformation welding tool according to claim 7, characterized in that: A plurality of side openings are provided on the sides of the mounting openings (4) near the edges of the top plate (21), and a pushing assembly (7) is provided inside the side openings. The pushing assembly (7) is used to drive the top fixing assembly (6) to rotate; The pushing assembly (7) comprises two first elastic pieces (71) and a pushing block (72). The side opening and the pushing block (72) are both horizontally arranged in a T-shape. The pushing block (72) is limitedly slidably arranged inside the side opening and is used to push the stop block (62) to move. The two first elastic pieces (71) are fixedly connected between the pushing block (72) and the side opening.

9. The anti-deformation welding tool according to claim 8, characterized in that: A plurality of communication ports are provided on the sides of the mounting openings (4) close to the slide grooves, and a limiting component (8) is provided inside the communication port. Two limiting components (8) are symmetrically arranged to limit the position of the middle fixing component (5); The limiting assembly (8) includes four second elastic pieces (81), two moving blocks (82) and a limiting strip (83), wherein the two second elastic pieces (81) are fixedly connected to the sides of the moving blocks (82) and are fixedly connected to the communication openings, and the two moving blocks (82) are respectively slidably arranged inside the two symmetrical communication openings, and the limiting strip (83) is fixedly connected to the ends of the two moving blocks (82).

10. The anti-deformation welding tool according to claim 9, characterized in that: A strip opening (10) is provided in the middle of the deflection plate (32), and the strip opening (10) is located below the deflection plate (32). The opening width of the strip opening (10) is greater than the width of the moving block (82) and the pushing block (72), and the outer side is inclined.

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