Welding tool for robot

Abstract

The welding tool for the robot comprises a bottom plate, a rotating clamping mechanism, a supporting clamping mechanism and a clamping auxiliary mechanism, and the rotating clamping mechanism comprises a hydraulic cylinder, a rotating plate, a second hydraulic cylinder, a rotating clamp and a clamping block; the supporting clamping mechanism comprises a bottom supporting plate, an adjusting plate, an adjusting hole, a clamping pipe, a clamping rod, a clamping groove, a compression spring and a pressing crow plate, the rotating clamping mechanism stably clamps a to-be-welded part through the cooperation of a hydraulic cylinder and a second hydraulic cylinder and the clamping action of a rotating clamp and a clamping block, the structure can ensure that the clamping force is uniform and accurate, and the welding efficiency is improved. The bottom supporting plate, the clamping rod and other assemblies are combined to provide stable supporting for the to-be-welded part, workpiece position changes caused by infirm supporting in the welding process are avoided, welding errors are reduced, the position of the workpiece can be conveniently adjusted through cooperation of the adjusting plate and the clamping pipe, and the welding efficiency is improved. And the operation flexibility and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field more specifically, it relates to a kind of welding tool for robot. BACKGROUND

[0002] In the prior art, many welding tool designs for robot, there is the problem that the angle of the workpiece to be welded is inconvenient to adjust, and the bottom end lacks sufficient support during rotation. These problems not only limit the flexibility during welding, but also may affect the welding precision and efficiency. In traditional welding tool, the angle adjustment of the workpiece to be welded is usually completed by manual or fixed mechanical structure.

[0003] Traditional design often only provides limited angle adjustment range, and cannot adapt to workpieces of different shapes and sizes. Before each welding, the operator may need to manually adjust or replace the fixture, wasting a lot of time. Since the adjustment method is relatively simple, it is difficult to accurately control the angle of the workpiece to be welded. During welding, even a small angle deviation may cause uneven welds, reduced welding quality, and even difficulty in subsequent processing.

[0004] In some existing welding tools, although the workpiece to be welded can be rotated, the bottom support during rotation is often ignored. During rotation, the workpiece to be welded may tilt or vibrate unstably due to lack of bottom support, which not only affects the accuracy of the welding position, but also may affect the quality of the welded joint, resulting in insecure welding or defects at the joint. If the bottom support is insufficient, the workpiece to be welded may bear excessive uneven force during rotation, causing deformation or damage to the structure. This is particularly serious for precision welding parts, which may cause irreparable damage, increasing production costs and repair time. SUMMARY

[0005] (I) Technical problem solved

[0006] To solve the problems in the prior art, the present utility model provides a welding tool for robot to solve the technical problems of the workpiece to be welded being difficult to adjust the angle and the bottom end of the rotating workpiece to be welded lacking support mentioned in the background.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical scheme: A welding tool for robot, including bottom plate, rotary clamping mechanism, support clamping mechanism and clamping auxiliary mechanism, the rotary clamping mechanism includes hydraulic cylinder, rotary plate, second liquid jar, rotary clamp and clamping block, and the both ends of hydraulic cylinder are rotatably connected with rotary plate and bottom plate, the bottom end of rotary plate is symmetrically installed with second liquid jar, rotary clamp is rotatably installed on both sides of rotary plate, and clamping block is installed on one end of rotary clamp, and second liquid jar is rotatably connected with rotary clamp, and the symmetric clamping block is opposite clamping, the support clamping mechanism includes bottom support plate, adjusting plate, adjusting hole, clamping pipe, clamping rod, clamping groove, compression spring and pressure pry plate, adjusting plate is symmetrically installed on both sides of rotary plate, a plurality of adjusting holes are arranged on adjusting plate, bottom support plate is slidably installed on the top end of rotary plate, clamping pipe is fixedly installed on both sides of bottom support plate, clamping rod can be connected with clamping pipe through different adjusting holes, the bottom end of the workpiece to be welded is in contact with bottom support plate, clamping groove is arranged on the side wall of clamping rod, compression spring is installed in the inside of clamping pipe, and pressure pry plate is rotatably installed on the side wall of clamping pipe.

[0009] The utility model further sets up, the clamping auxiliary mechanism includes longitudinal ring, top plate, tight block, tight spring, outer rotary frame, helical groove and top block, and the outer rotary frame is limit rotatably installed on the outer wall of clamping pipe, and top block is installed on the top end of outer rotary frame, and top plate is fixedly installed on the outer wall of clamping pipe, and tight block is centripetally slidably installed on the bottom end of top plate, and tight spring is installed between adjacent tight blocks, so that outer rotary frame is stably rotatable on clamping pipe, helical groove is arranged on longitudinal ring, outer rotary frame is slidably connected with helical groove, and rotating outer rotary frame drives longitudinal ring to move longitudinally, longitudinal ring is pressed towards pressure pry plate, so that one end of pressure pry plate is stably pryed into clamping groove, and pressure pry plate is further pressed, clamping rod compresses stable spring, so that one end of pressure pry plate is away from clamping groove.

[0010] The utility model further sets up, the bottom end of bottom plate is equipped with operation platform, and the top end of operation platform is equipped with robot assembly, and operation platform is convenient for operator to adjust and control, and provides installation position for robot assembly.

[0011] The utility model further sets up, one end of robot assembly is equipped with welding assembly, and welding assembly can be for the workpiece to be welded on rotary plate, and welding assembly can accurately weld workpiece under the cooperation of robot assembly.

[0012] The utility model further sets up, one end of rotary plate is equipped with roller bracket, and the bottom end of bottom support plate and workpiece to be welded frame is in contact with the top end of roller bracket, and roller bracket is used for supporting bottom support plate and workpiece to be welded frame, provides stable support, reduces the problem caused by unstable workpiece during welding.

[0013] The utility model further sets up, both sides of bottom support plate are equipped with side fixed plate, and through support clamping mechanism side fixed plate is connected with adjusting plate fixedly, side fixed plate is connected with adjusting plate through support clamping mechanism, and the whole support structure is fixed and stabilized.

[0014] The utility model further sets up, the lateral wall bottom of clamping pipe is equipped with connecting plate, and connecting plate fixed mounting is in one end surface of side fixed plate, and connecting plate fixes and connects clamping pipe and side fixed plate, and the stability of overall structure is strengthened.

[0015] The utility model further sets up, the inner wall of clamping pipe is equipped with push-in spring, and one end of push-in spring is connected with one end of pressure pry plate, and push-in spring pushes pressure pry plate and primarily presses into the clamping groove, and push-in spring is used for primarily pressing into the clamping groove, and it ensures that pressure pry plate can be smoothly pressed into and fixed workpiece.

[0016] (Three) beneficial effect

[0017] Compared with the prior art, the utility model provides a kind of welding tool for robot, with following

[0018] Beneficial effect:

[0019] The utility model sets up rotating clamping mechanism, and rotating clamping mechanism utilizes the cooperation of hydraulic cylinder and second liquid cylinder, and realizes the stable clamping of the workpiece to be welded by the clamping action of rotating clamp and clamping block, this structure can ensure that clamping force is uniform and accurate, so as to guarantee the stability of welding piece in welding process, and hydraulic cylinder and second liquid cylinder can be adjusted, allowing flexible operation on workpieces of different sizes or shapes, to adapt to different welding tasks.

[0020] The utility model sets up support clamping mechanism, and bottom support plate and clamping rod etc. Component combination provides the stable support to the workpiece to be welded, avoids the position change of workpiece due to the insecure support in welding process, to reduce welding error, and the cooperation of adjusting plate and clamping pipe makes it convenient to adjust the position of workpiece, improves operation flexibility and efficiency, and through the action of compression spring, the pressure of support can be automatically adjusted, to enhance operation stability.

[0021] The utility model sets up clamping auxiliary mechanism, through the action of outer rotating frame, tightening block and longitudinal ring etc. Component, clamping force can be further enhanced when needed, the installation of tightening spring makes clamping auxiliary mechanism can work stably, ensures that clamping effect is more firm, avoids the loosening of workpiece due to external force or vibration, and the cooperation of helical groove and longitudinal ring makes clamping auxiliary mechanism can accurately slide on clamping pipe, further compresses pressure pry plate, ensures the accurate positioning of welding workpiece in welding process, avoids deviation. DRAWINGS

[0022] Figure 1The utility model discloses a whole structure schematic diagram of the device in unused state.

[0023] Figure 2 The utility model discloses a structure schematic diagram of the rotating clamping mechanism.

[0024] Figure 3 The utility model discloses a structure schematic diagram of the supporting clamping mechanism.

[0025] Figure 4 The utility model discloses a structure schematic diagram of the supporting clamping mechanism and the clamping auxiliary mechanism.

[0026] Figure 5 The utility model discloses a structure schematic diagram inside the supporting clamping mechanism and the clamping auxiliary mechanism.

[0027] In the drawing: 1, bottom plate, 2, hydraulic cylinder, 3, rotating plate, 4, second hydraulic cylinder, 5, rotating clamp, 6, clamping block, 7, bottom support plate, 8, adjusting plate, 9, adjusting hole, 10, clamping pipe, 11, clamping rod, 12, clamping groove, 13, compression spring, 14, prying plate, 15, longitudinal ring, 16, top plate, 17, tightening block, 18, tightening spring, 19, outer rotating frame, 20, helical groove, 21, top block, 22, operation platform, 23, robot assembly, 24, welding assembly, 25, roller shaft frame, 26, side fixed plate, 27, connecting plate, 28, push spring. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by ordinary skilled in the art to which the present application belongs.

[0030] In the present application, unless otherwise specified, the directions such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions. Similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings, and "inner, outer" are directed to the inner and outer relative to the contour of each component. However, the above directional words are not used to limit the present application.

[0031] Please refer to Figures 1-5A welding tool for robot, comprising a base plate 1, a rotating clamping mechanism, a supporting clamping mechanism and a clamping auxiliary mechanism, the rotating clamping mechanism comprises a hydraulic cylinder 2, a rotating plate 3, a second hydraulic cylinder 4, a rotating clamp 5 and a clamping block 6, the two ends of the hydraulic cylinder 2 are rotatably connected with the rotating plate 3 and the base plate 1, the second hydraulic cylinder 4 is symmetrically installed at the bottom end of the rotating plate 3, the rotating clamp 5 is rotatably installed at both sides of the rotating plate 3, the clamping block 6 is installed at one end of the rotating clamp 5, the second hydraulic cylinder 4 is rotatably connected with the rotating clamp 5, and the symmetric clamping blocks 6 are oppositely clamped, the supporting clamping mechanism comprises a bottom support plate 7, an adjusting plate 8, an adjusting hole 9, a clamping pipe 10, a clamping rod 11, a clamping groove 12, a compression spring 13 and a pry plate 14, the adjusting plate 8 is symmetrically installed at both sides of the rotating plate 3, a plurality of adjusting holes 9 are arranged on the adjusting plate 8, the bottom support plate 7 is slidably installed at the top end of the rotating plate 3, the clamping pipe 10 is fixedly installed at both sides of the bottom support plate 7, the clamping rod 11 can pass through different adjusting holes 9 and be connected with the clamping pipe 10, the bottom end of the workpiece to be welded is in contact with the bottom support plate 7 for support, the clamping groove 12 is arranged on the side wall of the clamping rod 11, the compression spring 13 is installed in the clamping pipe 10, and the pry plate 14 is rotatably installed on the side wall of the clamping pipe 10.

[0032] In the embodiment, the rotating clamping mechanism realizes accurate positioning and clamping of the workpiece, the hydraulic cylinder 2 controls the angle adjustment of the rotating plate 3 relative to the base plate 1, realizes the space position transformation of the workpiece, the second hydraulic cylinder 4 is symmetrically installed at the bottom of the rotating plate 3, the opening and closing control of the clamping block 6 is realized through the connection with the rotating clamp 5, the rotating clamp 5 rotates at both sides of the rotating plate 3, drives the clamping block 6 to perform the symmetric clamping action, the roller shaft frame 25 provides stable support for the bottom support plate 7 and the workpiece to be welded, and ensures the accuracy and stability of the clamping process, the supporting clamping mechanism provides multi-point position fixing for the bottom support plate 7, the bottom support plate 7 supports the bottom end of the workpiece to be welded, the adjusting plate 8 is symmetrically installed at both sides of the rotating plate 3, different positions are fixed through a plurality of adjusting holes 9, the bottom support plate 7 slides on the top of the rotating plate 3, the clamping pipes 10 on both sides are connected with the adjusting holes 9 through the clamping rods 11, position locking is realized, the clamping groove 12 on the side wall of the clamping rod 11 is matched with the pry plate 14, the compression spring 13 provides pre-tightening force, the side fixing plate 26 is fixedly connected with the adjusting plate 8 through the supporting clamping mechanism, forming a stable support structure, the push-in spring 28 pushes the pry plate 14 to be initially pressed into the clamping groove 12, ensuring initial locking.

[0033] The clamping auxiliary mechanism comprises a longitudinal ring 15, a top plate 16, a tightening block 17, a tightening spring 18, an outer rotating frame 19, a spiral groove 20 and a top block 21, the outer rotating frame 19 is limitingly and rotatably installed on the outer wall of the clamping pipe 10, the top block 21 is installed on the top end of the outer rotating frame 19, the top plate 16 is fixedly installed on the outer wall of the clamping pipe 10, the tightening block 17 is centripetally and slidingly installed on the bottom end of the top plate 16, the tightening spring 18 is installed between the adjacent tightening blocks 17, the outer rotating frame 19 is stably rotated on the clamping pipe 10, the spiral groove 20 is arranged on the longitudinal ring 15, the outer rotating frame 19 is slidingly connected with the spiral groove 20, the rotating outer rotating frame 19 drives the longitudinal ring 15 to move longitudinally, the longitudinal ring 15 is pressed to the crowbar plate 14, one end of the crowbar plate 14 is stably pryed into the clamping groove 12, the crowbar plate 14 is further pressed, the clamping rod 11 is compressed to stably spring, and one end of the crowbar plate 14 is away from the clamping groove 12.

[0034] In the embodiment, the outer rotating frame 19 is limitingly and rotatably installed on the outer wall of the clamping pipe 10, the top block 21 and the tightening block 17 on the top plate 16 form a stabilizing mechanism, the tightening spring 18 provides continuous pressure between the adjacent tightening blocks 17, the outer rotating frame 19 is stably rotated, the spiral groove 20 is matched with the outer rotating frame 19, the longitudinal ring 15 is driven to move longitudinally by rotating, the longitudinal ring 15 is pressed to the crowbar plate 14, the engagement state of the crowbar plate 14 and the clamping groove 12 is controlled, and accurate locking and unlocking control is realized.

[0035] Please refer to Figures 1-5 , as a supplement to the rotating clamping mechanism, the supporting clamping mechanism and the clamping auxiliary mechanism for the welding tool for the robot: the bottom end of the bottom plate 1 is provided with an operation platform 22, and the top end of the operation platform 22 is provided with a robot assembly 23, one end of the robot assembly 23 is matched and provided with a welding assembly 24, the welding assembly 24 can be used for the workpiece to be welded on the rotating plate 3, the one end surface of the rotating plate 3 is provided with a roller shaft support 25, and the bottom support plate 7 and the bottom end of the workpiece to be welded are in contact with the top end of the roller shaft support 25, the side fixing plates 26 are installed on the two sides of the bottom support plate 7, and the side fixing plates 26 are fixedly connected with the adjusting plate 8 through the supporting clamping mechanism, the side wall bottom end of the clamping pipe 10 is provided with a connecting plate 27, and the connecting plate 27 is fixedly installed on one end surface of the side fixing plate 26, the inner wall of the clamping pipe 10 is provided with a push-in spring 28, and one end of the push-in spring 28 is connected with one end of the crowbar plate 14, the push-in spring 28 pushes the crowbar plate 14 to be initially pressed into the clamping groove 12.

[0036] More specifically, before starting work, the workpiece to be welded is placed on the bottom support plate 7, which contacts and supports the workpiece to be welded, the adjusting plate 8 and the clamping rod 11 adjust the position of the workpiece to be welded as needed, and once the workpiece to be welded is positioned, the hydraulic cylinder 2 and the second hydraulic cylinder 4 of the clamping mechanism are rotated to drive the rotating plate 3 to rotate, and the rotating clamp 5 symmetrically clamps the workpiece to be welded by the action of the clamping block 6, ensuring the stability of the workpiece during welding. The supporting clamping mechanism further stabilizes the position of the workpiece to be welded through the clamping rod 11, compression spring 13 and other devices. By adjusting the connection of the clamping rod 11 and the clamping pipe 10, the height and position of the supporting part can be finely adjusted to ensure that the workpiece to be welded is always in the appropriate welding position. The clamping auxiliary mechanism cooperates with the outer rotating frame 19 and the longitudinal ring 15 to press one end of the prying plate 14 into the clamping groove 12, ensuring that the clamping rod 11 firmly clamps the workpiece to be welded, and further stabilizes the clamping force by pushing the prying plate 14 with the push-in spring 28. After all the clamping and supporting actions are completed, the robot assembly 23 cooperates with the welding assembly 24 to start the welding operation, and the welding assembly 24 can accurately position and perform welding tasks on the clamped workpiece to be welded.

[0037] In summary, when the rotating clamping mechanism needs to be operated, the rotating clamping mechanism realizes accurate positioning and clamping of the workpiece, the hydraulic cylinder 2 controls the angle adjustment of the rotating plate 3 relative to the bottom plate 1 to realize the spatial position transformation of the workpiece, the second hydraulic cylinder 4 is symmetrically installed at the bottom of the rotating plate 3 and realizes the opening and closing control of the clamping block 6 through the connection with the rotating clamp 5, the rotating clamp 5 rotates on both sides of the rotating plate 3 to drive the clamping block 6 to perform symmetric clamping action, and the roller shaft frame 25 provides stable support for the bottom support plate 7 and the workpiece to be welded, ensuring the accuracy and stability of the clamping process.

[0038] When the supporting clamping mechanism needs to be operated, the supporting clamping mechanism provides multi-point position fixation for the bottom support plate 7, the bottom support plate 7 supports the bottom end of the workpiece to be welded, the adjusting plate 8 is symmetrically installed on both sides of the rotating plate 3 and realizes fixation at different positions through multiple adjusting holes 9, the bottom support plate 7 slides on the top of the rotating plate 3, the clamping pipe 10 on both sides cooperates with the adjusting hole 9 through the clamping rod 11 to realize position locking, the clamping groove 12 on the side wall of the clamping rod 11 cooperates with the prying plate 14, the compression spring 13 provides pre-tightening force, the side fixing plate 26 is fixedly connected with the adjusting plate 8 through the supporting clamping mechanism to form a stable supporting structure, and the push-in spring 28 pushes the prying plate 14 to be initially pressed into the clamping groove 12 to ensure initial locking.

[0039] When the clamping auxiliary mechanism needs to be operated, the outer rotating frame 19 rotates in the limit of the outer wall of the clamping pipe 10, the top block 21 and the tightening block 17 on the top plate 16 form a stable mechanism, the tightening spring 18 provides continuous pressure between the adjacent tightening blocks 17, ensuring that the outer rotating frame 19 rotates smoothly, the spiral groove 20 cooperates with the outer rotating frame 19, and drives the longitudinal ring 15 to move longitudinally by rotating, the longitudinal ring 15 is pressed to the pry plate 14, and the engagement state of the pry plate 14 with the clamping groove 12 is controlled, so that accurate locking and unlocking control is realized.

[0040] Before starting work, the to-be-welded part is placed on the bottom support plate 7, the bottom support plate 7 contacts and supports the to-be-welded part, the adjusting plate 8 and the clamping rod 11 adjust the position of the to-be-welded part as needed, and once the to-be-welded part is positioned, the hydraulic cylinder 2 and the second hydraulic cylinder 4 of the clamping mechanism are rotated to drive the rotating plate 3 to rotate, the action of the rotating clamp 5 symmetrically clamps the to-be-welded part with the clamping block 6, and the stability of the part during welding is ensured, and the supporting clamping mechanism further stabilizes the position of the to-be-welded part through the clamping rod 11, the compression spring 13 and the like. Adjusting the connection of the clamping rod 11 and the clamping pipe 10 can finely adjust the height and position of the support part, so that the to-be-welded part is always in a suitable welding position, the clamping auxiliary mechanism cooperates with the outer rotating frame 19 and the longitudinal ring 15 to press one end of the pry plate 14 into the clamping groove 12, so that the clamping rod 11 firmly clamps the to-be-welded part, and the pushing spring 28 pushes the pry plate 14 to further stabilize the clamping force. After all the clamping and supporting actions are completed, the robot assembly 23 cooperates with the welding assembly 24 to start the welding operation, and the welding assembly 24 can accurately position and perform the welding task on the clamped to-be-welded part.

[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here. In the above, whenever it is mentioned that it is fixedly connected, it is preferred to be welded. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A welding tool for robot, comprising a base plate (1), a rotating clamping mechanism, a supporting clamping mechanism and a clamping auxiliary mechanism, characterized in that: The rotating clamping mechanism comprises a hydraulic cylinder (2), a rotating plate (3), a second hydraulic cylinder (4), a rotating clamp (5) and a clamping block (6), both ends of the hydraulic cylinder (2) are rotatably connected with the rotating plate (3) and the bottom plate (1), the second hydraulic cylinder (4) is symmetrically installed at the bottom end of the rotating plate (3), the rotating clamp (5) is rotatably installed on both sides of the rotating plate (3), the clamping block (6) is installed at one end of the rotating clamp (5), the second hydraulic cylinder (4) is rotatably connected with the rotating clamp (5), and the symmetric clamping blocks (6) are oppositely clamped.

2. The welding fixture for robots according to claim 1, characterized in that: The supporting clamping mechanism comprises a bottom support plate (7), an adjusting plate (8), an adjusting hole (9), a clamping pipe (10), a clamping rod (11), a clamping groove (12), a compression spring (13) and a prying plate (14), the adjusting plate (8) is symmetrically installed on both sides of the rotating plate (3), a plurality of adjusting holes (9) are arranged on the adjusting plate (8), the bottom support plate (7) is slidably installed at the top end of the rotating plate (3), the clamping pipe (10) is fixedly installed on both sides of the bottom support plate (7), the bottom end of the to-be-welded piece is in contact with the bottom support plate (7) for support, the clamping groove (12) is arranged on the side wall of the clamping rod (11), and the compression spring (13) is installed in the clamping pipe (10).

3. The welding fixture for robots according to claim 1, characterized in that: The clamping auxiliary mechanism comprises a longitudinal ring (15), a top plate (16), a tightening block (17), a tightening spring (18), an outer rotating frame (19), a spiral groove (20) and a top block (21), the outer rotating frame (19) is limitingly and rotatably installed on the outer wall of the clamping pipe (10), the top block (21) is installed at the top end of the outer rotating frame (19), the top plate (16) is fixedly installed on the outer wall of the clamping pipe (10), the tightening block (17) is slidably installed at the bottom end of the top plate (16), the tightening spring (18) is installed between adjacent tightening blocks (17), so that the outer rotating frame (19) is stably rotated on the clamping pipe (10), and the spiral groove (20) is arranged on the longitudinal ring (15).

4. A welding fixture for a robot as defined in claim 3, characterized in that: A bottom end of the bottom plate (1) is provided with an operation platform (22), and a top end of the operation platform (22) is provided with a robot assembly (23).

5. The welding fixture of claim 1, wherein: One end of the robot assembly (23) is provided with a welding assembly (24) in a matched mode, and the welding assembly (24) can be used for welding pieces on the rotating plate (3).

6. The welding fixture of claim 1, wherein: One end face of the rotating plate (3) is provided with a roller shaft frame (25), and the bottom end of the bottom support plate (7) and the to-be-welded frame are in contact with the top end of the roller shaft frame (25) for support.

7. A welding fixture for a robot as defined in claim 6, characterized in that: Both sides of the bottom support plate (7) are provided with side fixing plates (26), and the side fixing plates (26) are fixedly connected with the adjusting plates (8) through the supporting clamping mechanism.

8. The welding fixture of claim 1, wherein: A bottom end of the side wall of the clamping pipe (10) is provided with a connecting plate (27), and the connecting plate (27) is fixedly installed on one end face of the side fixing plate (26). An inner wall of the clamping pipe (10) is provided with a push-in spring (28), one end of the push-in spring (28) is connected with one end of the prying plate (14), and the push-in spring (28) pushes the prying plate (14) to be initially pressed into the clamping groove (12).

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