Welding positioning tool for suspension

Abstract

The invention relates to the technical field of suspension welding, in particular to a welding positioning tool for suspension. Comprising a positioning platform, a plurality of first sliding grooves formed in the length direction of the positioning platform, and a plurality of second sliding grooves formed in the width direction of the positioning platform and crossed with the first sliding grooves. The clamping mechanisms are connected to the positioning platform in a sliding mode through the first sliding grooves and the second sliding grooves, the containing platform is connected to the positioning platform in a sliding mode through the first sliding grooves and the second sliding grooves and located between the clamping mechanisms, and sliding assemblies are arranged on the bottom faces of the clamping mechanisms and the bottom face of the positioning platform. Connecting grooves used for being matched with the sliding assemblies are formed in the two sides of the first sliding groove and the two sides of the second sliding groove correspondingly, and through the arrangement of the sliding assemblies and the connecting grooves, the clamping mechanism and the containing platform can slide on the positioning platform front, back, left and right so as to be matched with suspension components of different sizes and shapes.

Description

Technical Field

[0001] The present application relates to the technical field of suspension welding, and in particular to a welding positioning tooling for a suspension. Background Art

[0002] The welding positioning tooling for a suspension is a special welding tooling used in fields such as automobiles and mechanical manufacturing to accurately position and fix the components related to the suspension system, so as to ensure the welding quality and product accuracy. Its specific structure includes a positioning plate, a plurality of positioning blocks installed on the positioning plate, and a clamping push rod installed on the positioning block for fixedly clamping the suspension component. The staff fixedly installs a plurality of positioning blocks on the positioning plate according to the shape of the suspension component, then places the suspension component between the plurality of positioning blocks, and then pushes the clamping push rod so that the clamping push rod clamps the suspension component, thereby fixing the suspension component.

[0003] However, the positioning tooling in the prior art can only fix the suspension components that match it after being set up, and does not have universality. Therefore, the present application proposes a welding positioning tooling for a suspension. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the purpose of the present application is to provide a welding positioning tooling for a suspension, which is used to fix suspension components of different sizes.

[0005] The above purpose of the present application is achieved through the following technical solutions: A welding positioning tooling for a suspension includes a positioning platform, a plurality of first chutes opened along the length direction of the positioning platform, a plurality of second chutes opened along the width direction of the positioning platform and intersecting with the first chutes, a plurality of clamping mechanisms slidably connected to the positioning platform through the first chutes and the second chutes, and a placement platform slidably connected to the positioning platform through the first chutes and the second chutes and located between the plurality of clamping mechanisms. The bottom surfaces of the clamping mechanisms and the bottom surface of the positioning platform are both provided with sliding components, and connection grooves for cooperating with the sliding components are provided on both sides of the first chutes and both sides of the second chutes. The sliding component includes a connecting rod and a limiting circular plate provided at the lower end of the connecting rod and having an edge extending into the connection groove. The clamping mechanisms and the positioning platform are slidably connected to the positioning platform through the sliding components.

[0006] By adopting the above technical solution, through the setting of the sliding component and the connecting groove, the clamping mechanism and the placing platform can slide back and forth, left and right on the positioning platform to adapt to suspension components of different sizes and shapes. Because of the setting of the limiting disc, when the clamping mechanism and the placing platform slide, no matter whether the clamping mechanism and the placing platform slide to the first sliding groove or the second sliding groove or the intersection of the first sliding groove and the second sliding groove, the limiting disc can be located in the connecting groove to limit the clamping mechanism and the positioning platform, thus achieving the effect that the clamping mechanism and the placing platform can slide back and forth, left and right on the positioning platform, and achieving the purpose of fixing suspension components of different sizes.

[0007] Furthermore, the clamping mechanism includes a connecting column, a fixing plate located at the top of the connecting column, and a clamping push rod passing through the fixing plate and threadedly connected to the fixing plate. An adjusting structure for adjusting the height of the clamping push rod is provided inside the connecting column.

[0008] Furthermore, the adjusting structure includes two limiting plates arranged parallel up and down inside the connecting column, a connecting gear arranged between the two limiting plates, an adjusting threaded rod arranged at the center of the connecting gear, passing through the connecting gear and threadedly connected to the connecting gear, and a driving worm arranged on one side of the connecting gear and meshing with the connecting gear. One end of the driving worm extends out of the connecting column and is rotatably connected to the connecting column. The top end of the adjusting threaded rod extends upward out of the connecting column and is fixedly connected with a mounting plate. The fixing plate is fixedly arranged on the mounting plate.

[0009] By adopting the above technical solution, although the setting of the sliding component and the connecting groove enables the clamping mechanism to fix suspension components of different sizes, the heights of the front and rear ends of suspension components of different sizes may also be inconsistent, which results in the clamping mechanism being unable to completely fix suspension components of different sizes. Through the setting of the adjusting structure, when the staff encounters a suspension component with inconsistent heights at the front and rear ends, they only need to rotate the driving worm. The driving worm drives the connecting gear to rotate, and the rotating connecting gear moves the adjusting threaded rod connected to it up and down, thereby adjusting the height of the clamping push rod to adapt to the suspension component with inconsistent heights at the front and rear ends, further improving the applicability of the positioning tooling.

[0010] Furthermore, a liftable platform for placing the suspension component is sleeved on the placing platform.

[0011] Furthermore, the liftable platform includes an adjusting platform sleeved on the placing platform, a fixing threaded rod located on one side of the adjusting platform and extending into the adjusting platform and threadedly connected to the adjusting platform, a connecting plate rotatably connected to one end of the fixing threaded rod extending into the adjusting platform, and fixing magnets fixedly arranged on the side of the connecting plate facing away from the fixing threaded rod and covering the connecting plate.

[0012] By adopting the above technical scheme, although the setting of the adjustment structure further improves the applicability of the positioning tooling, when the volume of the suspension component is smaller than the minimum height of the adjustment structure, the clamping push rod cannot clamp the suspension component. The setting of the liftable platform solves this technical problem. When the liftable platform is in a fixed state, the fixed magnet is adsorbed on the side wall of the placement platform. When the staff needs to adjust the height of the liftable platform, they only need to twist the fixed threaded rod to make the fixed magnet separate from the side wall of the placement platform. At this time, the staff can adjust the height of the adjustment platform at will. When the volume of the suspension component is smaller than the minimum height of the adjustment structure, the staff can raise the adjustment platform so that the clamping push rod can clamp the suspension component, which further improves the applicability of the positioning tooling.

[0013] Furthermore, the left and right sides of the positioning platform are provided with fixing structures for fixing the clamping mechanism and placing the platform.

[0014] Furthermore, the fixing structure includes multiple groups of limit plates arranged on both sides of the multiple second slide grooves, limit threaded holes penetrating the limit plates are opened on the side of the limit plates opposite to the second slide grooves, and limit threaded rods pass through the limit plates through the limit threaded holes and are threadedly connected to the limit plates. Positioning threaded holes corresponding to the limit threaded holes are opened on the left and right sides of the bottom end of the connecting column and the left and right sides of the bottom end of the placing platform.

[0015] By adopting the above-mentioned technical solution, although the setting of the sliding assembly and the connecting groove allows the clamping mechanism and the placement platform to slide back and forth and left and right on the positioning platform, during the welding process, the welding tool may contact the suspension component, which may cause the suspension component to vibrate. The vibration of the suspension component may cause the clamping mechanism and the placement platform to slide, resulting in errors in processing accuracy. The setting of the fixed structure solves this technical problem. After the staff adjusts the clamping mechanism and the placement platform, they only need to screw the limiting threaded rod into the corresponding limiting plate, so that the limiting threaded rod passes through the limiting threaded hole and the positioning threaded hole through the limiting plate to be threadedly connected to the clamping mechanism and the placement platform, thereby fixing them and preventing the clamping mechanism and the placement platform from sliding.

[0016] Furthermore, auxiliary structures for assisting the fixing structure to fix the clamping mechanism and place the platform are provided on the front and rear sides of the positioning platform.

[0017] Furthermore, the auxiliary structure includes multiple groups of auxiliary plates arranged on both sides of the multiple first slide grooves, multiple groups of auxiliary threaded holes that are opened on both sides of the multiple first slide grooves and pass through the auxiliary plates on one side opposite to the first slide groove, and auxiliary threaded rods that pass through the auxiliary plates through the auxiliary threaded holes and are threadedly connected to the auxiliary plates, and auxiliary screw holes corresponding to the auxiliary threaded holes are opened on the front and rear sides of the bottom end of the connecting column and the front and rear sides of the bottom end of the placing platform.

[0018] By adopting the above technical solution, although the fixed structure can already fix the clamping mechanism and the placement platform, when the staff slides the clamping mechanism and the placement platform to match the suspension component, it cannot be guaranteed every time that the clamping mechanism and the placement platform are located on the second sliding groove. This results in the fixed structure being unable to fix the clamping mechanism and the placement platform in all directions. Through the setting of the auxiliary structure, when the clamping mechanism and the placement platform are located on the first sliding groove, the staff can fix them by screwing the auxiliary threaded rod to connect the clamping mechanism and the placement platform through auxiliary threaded connection, so that the clamping mechanism and the placement platform can be fixed whether they are located on the first sliding groove or the second sliding groove.

[0019] Furthermore, a handle is provided at one end of the driving worm that extends out of the connecting column.

[0020] By adopting the above technical solution, it is convenient for the staff to screw the driving worm.

[0021] In summary, the present application includes at least one of the following beneficial technical effects: Through the setting of the sliding component and the connecting groove, the clamping mechanism and the placement platform can slide back and forth, left and right on the positioning platform to adapt to suspension components of different sizes and shapes. Because of the setting of the limiting circular disc, when the clamping mechanism and the placement platform slide, no matter whether the clamping mechanism and the placement platform slide to the first sliding groove, the second sliding groove or the intersection of the first sliding groove and the second sliding groove, the limiting circular disc can be located in the connecting groove to limit the clamping mechanism and the positioning platform, thus achieving the effect that the clamping mechanism and the placement platform can slide back and forth, left and right on the positioning platform, and achieving the purpose of fixing suspension components of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the embodiment; Figure 2 is a Figure 1 cross-sectional view along line A-A in Figure 3 is Figure 2 an enlarged view of part A in Figure 4 is another view of the overall structure of the embodiment; Figure 5 is a Figure 4 cross-sectional view along line B-B in Figure 6 is Figure 5 an enlarged view of part B in

[0023] Reference numerals: 1, positioning platform; 10, first chute; 11, second chute; 12, connecting groove; 2, clamping mechanism; 20, connecting column; 21, fixing plate; 22, clamping push rod; 3, placing platform; 4, sliding assembly; 40, connecting rod; 41, limiting disc; 5, adjusting structure; 50, limiting plate; 51, connecting gear; 52, adjusting threaded rod; 53, driving worm; 54, mounting plate; 55, handle; 6, liftable platform; 60, adjusting platform; 61, fixing threaded rod; 62, connecting plate; 63, fixing magnet; 7, fixing structure; 70, limiting plate; 71, limiting threaded hole; 72, limiting threaded rod; 73, positioning threaded hole; 8, auxiliary structure; 80, auxiliary plate; 81, auxiliary threaded hole; 82, auxiliary threaded rod; 83, auxiliary screw hole. Detailed implementation manners

[0024] The present application will be further described in detail below with reference to the accompanying drawings.

[0025] Embodiment, referring to Figure 1 , Figure 2 , Figure 3 , a welding positioning tool for a suspension, including a positioning platform 1, a plurality of first chutes 10 opened along the length direction of the positioning platform 1, a plurality of second chutes 11 opened along the width direction of the positioning platform 1 and intersecting with the first chutes 10, a plurality of clamping mechanisms 2 slidably connected to the positioning platform 1 through the first chutes 10 and the second chutes 11, and a placing platform 3 slidably connected to the positioning platform 1 through the first chutes 10 and the second chutes 11 and located between the plurality of clamping mechanisms 2. A sliding assembly 4 is provided on the bottom surface of the clamping mechanism 2 and the bottom surface of the positioning platform 1. Connecting grooves 12 for cooperating with the sliding assembly 4 are provided on both sides of the first chute 10 and both sides of the second chute 11. The sliding assembly 4 includes a connecting column 20 and a limiting disc 41 provided at the lower end of the connecting column 20 and with its edge extending into the connecting groove 12. The clamping mechanism 2 and the positioning platform 1 are slidably connected to the positioning platform 1 through the sliding assembly 4. The clamping mechanism 2 includes a connecting rod 40, a fixing plate 21 located at the top end of the connecting rod 40, and a clamping push rod 22 passing through the fixing plate 21 and threadedly connected to the fixing plate 21. Through the setting of the sliding assembly 4 and the connecting groove 12, the clamping mechanism 2 and the placing platform 3 can slide back and forth and left and right on the positioning platform 1 to adapt to different sizes and shapes of suspension components. Because of the setting of the limiting disc 41, when the clamping mechanism 2 and the placing platform 3 slide, no matter whether the clamping mechanism 2 and the placing platform 3 slide to the first chute 10, the second chute 11 or the intersection of the first chute 10 and the second chute 11, the limiting disc 41 can be located in the connecting groove 12 to limit the clamping mechanism 2 and the positioning platform 1, thereby achieving the effect that the clamping mechanism 2 and the placing platform 3 can slide back and forth and left and right on the positioning platform 1, and achieving the purpose of fixing suspension components of different sizes.

[0026] However, the settings of the sliding component 4 and the connecting groove 12 enable the clamping mechanism 2 to fix suspension components of different sizes. However, the heights of the front and rear ends of suspension components of different sizes may also be inconsistent, which results in the clamping mechanism 2 being unable to completely fix suspension components of different sizes. To solve this technical problem, in this embodiment, an adjusting structure 5 for adjusting the height of the clamping push rod 22 is provided inside the connecting column 20. The adjusting structure 5 includes two limiting plates 50 arranged parallel up and down inside the connecting column 20, a connecting gear 51 arranged between the two limiting plates 50, an adjusting threaded rod 52 arranged at the center of the connecting gear 51, passing through the connecting gear 51 and threadedly connected to the connecting gear 51, and a driving worm 53 arranged on one side of the connecting gear 51 and meshing with the connecting gear 51. One end of the driving worm 53 extends out of the connecting column 20 and is rotatably connected to the connecting column 20. The top end of the adjusting threaded rod 52 extends upward out of the connecting column 20 and is fixedly connected with a mounting plate 54. The fixing plate 21 is fixedly arranged on the mounting plate 54. Although the settings of the sliding component 4 and the connecting groove 12 enable the clamping mechanism 2 to fix suspension components of different sizes, the heights of the front and rear ends of suspension components of different sizes may also be inconsistent, which results in the clamping mechanism 2 being unable to completely fix suspension components of different sizes. Through the setting of the adjusting structure 5, when the staff encounters a suspension component with inconsistent heights at the front and rear ends, they only need to rotate the driving worm 53. The driving worm 53 drives the connecting gear 51 to rotate. The rotating connecting gear 51 causes the adjusting threaded rod 52 threadedly connected to it to move up and down, thereby adjusting the height of the clamping push rod 22 to adapt to the suspension component with inconsistent heights at the front and rear ends, further improving the applicability of the positioning tooling. A handle 55 is provided at the end of the driving worm 53 that extends out of the connecting column 20, enabling the staff to twist the driving worm 53 through the handle 55, facilitating the staff to twist the driving worm 53.

[0027] Although the setting of the adjusting structure 5 further improves the applicability of the positioning tooling, when the volume of the suspension component is smaller than the minimum height of the adjusting structure 5, the clamping push rod 22 cannot clamp the suspension component. To solve this technical problem, refer to Figure 4 、 Figure 5 and Figure 6In this embodiment, a liftable platform 6 for placing suspension components is sleeved on the placement platform 3. The liftable platform 6 includes an adjustment platform 60 sleeved on the placement platform 3, a fixed threaded rod 61 located on one side of the adjustment platform 60 and extending into the interior of the adjustment platform 60 and threadedly connected to the adjustment platform 60, a connecting plate 62 rotatably connected to one end of the fixed threaded rod 61 extending into the adjustment platform 60, and a fixed magnet 63 fixedly arranged on a side of the connecting plate 62 away from the fixed threaded rod 61 and covered with the connecting plate 62. When the liftable platform 6 is in a fixed state, the fixed magnet 63 is adsorbed on the side wall of the placement platform 3. When the staff needs to adjust the height of the liftable platform 6, they only need to twist the fixed threaded rod 61 to make the fixed magnet 63 separate from the side wall of the placement platform 3. At this time, the staff can adjust the height of the adjustment platform 60 at will. When the volume of the suspension component is smaller than the lowest height of the adjustment structure 5, the staff can raise the adjustment platform 60 so that the clamping push rod 22 can clamp the suspension component, further improving the applicability of the positioning tooling.

[0028] Although the arrangement of the sliding assembly 4 and the connecting groove 12 enables the clamping mechanism 2 and the placement platform 3 to slide forward, backward, left and right on the positioning platform 1, during the welding process, the contact of the welding tool with the suspension component may cause the suspension component to vibrate, and the vibration of the suspension component may cause the clamping mechanism 2 and the placement platform 3 to slide, resulting in errors in the processing accuracy. In order to solve this technical problem, the present embodiment is provided with a fixing structure 7 for fixing the clamping mechanism 2 and the placement platform 3 on the left and right sides of the positioning platform 1, and the fixing structure 7 includes a plurality of groups of limit plates 70 arranged on both sides of the plurality of second slide grooves 11, and a through limit plate 70 is provided on the side of the limit plate 70 opposite to the second slide groove 11. The limiting threaded hole 71 of the positioning plate 70 and the limiting threaded rod 72 that passes through the limiting plate 70 through the limiting threaded hole 71 and is threadedly connected to the limiting plate 70, the left and right sides of the bottom end of the connecting column 20 and the left and right sides of the bottom end of the placing platform 3 are provided with positioning threaded holes 73 corresponding to the limiting threaded holes 71. After the staff has adjusted the clamping mechanism 2 and the placing platform 3, they only need to screw the limiting threaded rod 72 into the corresponding limiting plate 70, so that the limiting threaded rod 72 passes through the limiting plate 70 through the limiting threaded hole 71 and the positioning threaded hole 73 and is threadedly connected to the clamping mechanism 2 and the placing platform 3 to fix them, thereby preventing the clamping mechanism 2 and the placing platform 3 from sliding.

[0029] Although the setting of the fixing structure 7 can already fix the clamping mechanism 2 and the placement platform 3, when the staff slides the clamping mechanism 2 and the placement platform 3 to match the suspension component, it cannot be ensured every time that the clamping mechanism 2 and the placement platform 3 are located on the second chute 11. This results in the fixing structure 7 being unable to fix the clamping mechanism 2 and the placement platform 3 in all directions. To solve this technical problem, in this embodiment, auxiliary structures 8 for assisting the fixing structure 7 to fix the clamping mechanism 2 and the placement platform 3 are provided on the front and rear sides of the positioning platform 1. The auxiliary structure 8 includes multiple groups of auxiliary plates 80 arranged on both sides of multiple first chutes 10, multiple groups of auxiliary threaded holes 81 that penetrate the auxiliary plates 80 on the side of the auxiliary plates 80 facing the first chutes 10, and auxiliary threaded rods 82 that pass through the auxiliary plates 80 through the auxiliary threaded holes 81 and are threadedly connected to the auxiliary plates 80. Auxiliary screw holes 83 corresponding to the auxiliary threaded holes 81 are provided on the front and rear sides of the bottom ends of the connecting columns 20 and the front and rear sides of the bottom end of the placement platform 3. Through the setting of the auxiliary structure 8, when the clamping mechanism 2 and the placement platform 3 are located on the first chute 10, the staff can fix the clamping mechanism 2 and the placement platform 3 by screwing the auxiliary threaded rods 82 through auxiliary threaded connections, so that the clamping mechanism 2 and the placement platform 3 can be fixed whether they are located on the first chute 10 or the second chute 11.

[0030] Specific implementation process: First, the staff slides the clamping mechanism 2 and the placement platform 3 according to the size and shape of the suspension component to match the size and shape of the suspension component. Then, the clamping mechanism 2 and the placement platform 3 are fixed by screwing the limit threaded rod 72 or the auxiliary threaded rod 82. Then, according to the height of the suspension component, the fixed threaded rod 61 is screwed to make the fixed magnet 63 disengage from the side wall of the placement platform 3, and then the fixed threaded rod 61 is screwed in the reverse direction to make the fixed magnet 63 adsorb the side wall of the placement platform 3 to fix the placement platform 3. The height of the adjustment platform 60 is adjusted to adapt to the suspension component. Then, according to the height of the suspension component, the driving worm 53 is rotated. The driving worm 53 drives the connecting gear 51 to rotate. The rotating connecting gear 51 causes the adjustment threaded rod 52 threadedly connected to it to move up and down, thereby adjusting the height of the clamping push rod 22 to adapt to the suspension component.

[0031] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of the application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A welding positioning tool for suspension, characterized in that: The invention comprises a positioning platform (1), a plurality of first slide grooves (10) provided along the length direction of the positioning platform (1), a plurality of second slide grooves (11) provided along the width direction of the positioning platform (1) and arranged crosswise with the first slide grooves (10), a plurality of clamping mechanisms (2) slidably connected to the positioning platform (1) through the first slide grooves (10) and the second slide grooves (11), and a placement platform (3) slidably connected to the positioning platform (1) through the first slide grooves (10) and the second slide grooves (11) and located between the plurality of clamping mechanisms (2). The bottom surface of the clamping mechanism (2) and the bottom surface of the positioning platform (1) are both provided with a sliding assembly (4); both sides of the first slide groove (10) and both sides of the second slide groove (11) are provided with connecting grooves (12) for matching with the sliding assembly (4); the sliding assembly (4) comprises a connecting rod (40) and a limiting disc (41) arranged at the lower end of the connecting rod (40) and the edge of which extends into the connecting groove (12); the clamping mechanism (2) and the positioning platform (1) are slidably connected to the positioning platform (1) via the sliding assembly (4).

2. A suspension welding positioning tool according to claim 1, characterized in that: The clamping mechanism (2) comprises a connecting column (20), a fixing plate (21) located at the top of the connecting column (20), and a clamping push rod (22) passing through the fixing plate (21) and being threadedly connected to the fixing plate (21); an adjusting structure (5) for adjusting the height of the clamping push rod (22) is provided in the connecting column (20).

3. A suspension welding positioning tool according to claim 2, characterized in that: The adjustment structure (5) comprises two upper and lower parallel limiting plates (50) arranged in the connecting column (20), a connecting gear (51) arranged between the two limiting plates (50), an adjusting threaded rod (52) arranged at the center of the connecting gear (51), passing through the connecting gear (51) and threadedly connected to the connecting gear (51), and a driving worm (53) arranged on one side of the connecting gear (51) and meshing with the connecting gear (51), one end of the driving worm (53) extending out of the connecting column (20) and being rotatably connected to the connecting column (20), the top end of the adjusting threaded rod (52) extending upward out of the connecting column (20) and being fixedly connected to a mounting plate (54), and the fixing plate (21) being fixedly arranged on the mounting plate (54).

4. The suspension welding positioning tool according to claim 1, characterized in that: The placement platform (3) is sleeved with a liftable platform (6) for placing suspension components.

5. A suspension welding positioning tool according to claim 4, characterized in that: The liftable platform (6) comprises an adjustment platform (60) sleeved on the placement platform (3), a fixed threaded rod (61) located on one side of the adjustment platform (60) and extending into the interior of the adjustment platform (60) and threadedly connected to the adjustment platform (60), a connecting plate (62) rotatably connected to one end of the fixed threaded rod (61) extending into the adjustment platform (60), and fixed magnets (63) fixedly arranged on a side of the connecting plate (62) facing away from the fixed threaded rod (61) and covering the entirety of the connecting plate (62).

6. The welding positioning tool for suspension according to claim 3, characterized in that: The left and right sides of the positioning platform (1) are provided with fixing structures (7) for fixing the clamping mechanism (2) and the placement platform (3).

7. A suspension welding positioning tool according to claim 6, characterized in that: The fixing structure (7) comprises a plurality of groups of limit plates (70) arranged on both sides of the plurality of second slide grooves (11), a limit threaded hole (71) penetrating the limit plate (70) and provided on a side of the limit plate (70) opposite to the second slide groove (11), and a limit threaded rod (72) passing through the limit plate (70) through the limit threaded hole (71) and being threadedly connected to the limit plate (70), and positioning threaded holes (73) corresponding to the limit threaded holes (71) are provided on the left and right sides of the bottom end of the connecting column (20) and the left and right sides of the bottom end of the placing platform (3).

8. The welding positioning tool for suspension according to claim 7, characterized in that: The positioning platform (1) is provided with auxiliary structures (8) on the front and rear sides thereof for assisting the fixing structure (7) in fixing the clamping mechanism (2) and the placing platform (3).

9. The suspension welding positioning tool according to claim 8, characterized in that: The auxiliary structure (8) comprises a plurality of groups of auxiliary plates (80) arranged on both sides of the plurality of first slide grooves (10), a plurality of groups of auxiliary screw holes (81) which are provided on one side of the auxiliary plates (80) opposite to the first slide grooves (10) and which penetrate the auxiliary plates (80), and an auxiliary screw rod (82) which passes through the auxiliary screw holes (81) and is threadedly connected to the auxiliary plates (80). Auxiliary screw holes (83) corresponding to the auxiliary screw holes (81) are provided on the front and rear sides of the bottom end of the connecting column (20) and the front and rear sides of the bottom end of the placing platform (3).

10. The suspension welding positioning tool according to claim 3, characterized in that: A handle (55) is provided at one end of the driving worm (53) extending out of the connecting column (20).

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