Automatic steering multi-station welding machine

Abstract

The utility model discloses an automatic steering multi-station welding machine, which belongs to the technical field of welding equipment and comprises a welding support mechanism provided with a steering positioning mechanism used for adjusting workpiece welding stations. The steering positioning mechanism is provided with an angle adjusting mechanism used for adjusting the welding angle. The steering positioning mechanism comprises a supporting plate steering assembly, a workpiece pushing assembly, a second supporting plate and a workpiece positioning assembly. The supporting plate steering assembly is fixedly connected with a workpiece pushing assembly and a second supporting plate. The top of the second supporting plate is fixedly connected with a workpiece positioning assembly. By means of the mode, rotation of a lower side workpiece and pushing of an upper side workpiece can be achieved through the structure, the workpiece can be adjusted to the position needing welding at will, the structure is simple, and use is convenient; multiple stations of the same workpiece can be welded according to actual use requirements; and meanwhile, the structure can position and clamp the workpiece, and the accuracy of the welding position of the workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to an automatic steering multi-station welding machine. Background Art

[0002] Welding is a manufacturing process that connects thermoplastic materials to each other by heating, high temperature or high pressure. In the welding process of some special workpieces, multiple welding stations are required, so a multi-station welding machine is needed.

[0003] Chinese patent CN216227605U discloses a multi-station welding workbench of a laser welding machine, whose structure includes a base, a positioning device and a welding device. The structure rotates and positions the workpiece through the positioning device on the base. When the positioning is completed, the workpiece is welded through the welding device.

[0004] However, its structure cannot perform welding processing on multiple positions of the same workpiece, and cannot meet the actual needs of welding some workpieces; secondly, its structure cannot arbitrarily adjust the angle of the welding workpiece and its welding position when the workpiece is welded, resulting in poor structural versatility and lack of versatility.

[0005] Based on this, the utility model designs an automatic steering multi-station welding machine to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a multi-station welding machine with automatic steering.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An automatically steering multi-station welding machine comprises a welding support mechanism, wherein the welding support mechanism is equipped with a steering positioning mechanism for adjusting a welding station of a workpiece;

[0009] The steering positioning mechanism is equipped with an angle adjustment mechanism for adjusting the welding angle;

[0010] The steering and positioning mechanism comprises a support plate steering assembly, a workpiece pushing assembly, a second support plate and a workpiece positioning assembly; the support plate steering assembly is fixedly connected to the workpiece pushing assembly and the second support plate; the top of the second support plate is fixedly connected to the workpiece positioning assembly.

[0011] Furthermore, the welding bracket mechanism includes a welding bracket, a first cylinder, a welding gun, a first linear module and a second linear module; the first linear module is fixedly connected to the left and right sides of the top of the welding bracket, the top of the sliding block of the first linear module is fixedly connected to the second linear module, the sliding block of the second linear module is fixedly connected to the first cylinder, and the output end of the first cylinder is fixedly connected to the welding gun through a snap; the welding gun is located directly above the workpiece.

[0012] Furthermore, the support plate steering assembly includes a first support plate, a connecting ring, an internal gear, a motor and a gear; the top of the first support plate is fixedly connected to the workpiece pushing assembly and the connecting ring, the internal gear is rotatably connected to the inner side wall of the connecting ring, the top of the internal gear is fixedly connected to the second support plate, the inner side wall of the internal gear is meshingly connected to the motor, and the bottom of the gear is fixedly connected to the motor.

[0013] Furthermore, the workpiece pushing assembly includes a connecting column, a sleeve, a sliding rod, a second cylinder, a connecting plate and an air claw; the connecting column is fixedly connected to the top of the first support plate, the top of the connecting column is fixedly connected to the sleeve, the bottom of the connecting column is fixedly connected to the angle adjustment mechanism, the left side of the connecting column is fixedly connected to the second cylinder, the sliding rod is slidably connected to the inner wall of the sleeve, the output end of the second cylinder is fixedly connected to the left end of the sliding rod, the right end of the sliding rod is fixedly connected to the middle of the connecting plate, and the front and rear ends of the connecting plate are fixedly connected to the air claws.

[0014] Furthermore, the workpiece positioning assembly includes a clamping plate, a connecting sleeve, a driving bevel block, an L-shaped plate, a sliding groove, a spring, a bevel positioning block and a third cylinder; the output end of the third cylinder is fixedly connected with the clamping plate and the connecting sleeve, the clamping plate is located above the connecting sleeve, and the front and left sides of the connecting sleeve are fixedly connected with the driving bevel block.

[0015] Furthermore, an L-shaped plate is fixedly connected directly below the driving inclined block, a sliding groove is opened on the top of the L-shaped plate, the inclined surface positioning block is slidably connected to the sliding groove, and both ends of the spring are fixedly connected to the inclined surface positioning block and the L-shaped plate respectively.

[0016] Furthermore, the angle adjustment mechanism includes a base assembly, a support column assembly and an angle adjustment assembly; the support column assembly is fixedly connected to the base assembly, and the top of the support column assembly is rotatably connected to the angle adjustment assembly.

[0017] Furthermore, the base assembly includes a third support plate and a hydraulic cylinder; the third support plate is fixedly connected to the bottom of the support column assembly, and hydraulic cylinders are evenly spaced on the front, back, left and right sides of the support column assembly, the bottom of the hydraulic cylinder is fixedly connected to the top of the third support plate through a hinge seat, and the top of the hydraulic cylinder is connected to the angle adjustment assembly.

[0018] Furthermore, the support column assembly includes a support column and a first connecting groove; the bottom of the support column is fixedly connected to the top of the third support plate, and the top of the support column is provided with a first connecting groove, and the interior of the first connecting groove is rotatably connected to the angle adjustment assembly through a connecting shaft.

[0019] Furthermore, the angle adjustment assembly includes a hollow cross bar, a limit block, a rotating shaft and a second connecting groove; limit blocks are arranged at equal intervals on the front, back, left and right sides of the bottom of the first support plate, the limit blocks are fixedly connected to the bottom of the first support plate, the middle part of the hollow cross bar is rotatably connected to the inside of the first connecting groove through the rotating shaft, the left and right ends of the hollow cross bar are rotatably connected to the limit blocks through the rotating shaft, the output ends of the left and right hydraulic cylinders are rotatably connected to the hollow inside of the hollow cross bar through the rotating shaft, the limit blocks on the front and rear sides are rotatably connected with the rotating shaft, a second connecting groove is opened at one end of the rotating shaft close to the support column, and the output ends of the front and rear hydraulic cylinders are rotatably connected to the inside of the second connecting groove through the rotating shaft.

[0020] The utility model has the following technical effects:

[0021] 1. When the utility model pushes the upper workpiece, the air claw of the workpiece pushing assembly is started, the air claw clamps the workpiece, the second cylinder is started, the output end of the second cylinder pushes the slide bar, and the slide bar drives the air claw to move through the connecting plate. In this process, the sleeve provides a limit for the slide bar, and the connecting column is used to support the overall structure; when fixing the lower workpiece, the initial state of the third cylinder of the workpiece positioning assembly is the extended state, the third cylinder is started, the output end of the third cylinder is contracted, and the output end of the third cylinder drives the clamping plate, the connecting sleeve and the driving inclined block to move downward; the inclined surface positioning block moves toward the workpiece under the drive of the driving inclined block, and the spring is stretched under force. If the workpiece The position is placed offset, and one of the inclined positioning blocks will contact the workpiece and push the workpiece to the correct position. When the workpiece is pushed to the correct position, the two inclined positioning blocks and the clamping plate will contact and clamp the workpiece at the same time. In this process, the sliding groove provided in the L-shaped plate is used to limit the inclined positioning block; this structure can realize the rotation of the lower workpiece and the pushing of the upper workpiece, and can be adjusted to the required welding position at will, with a simple structure and easy use; it can weld multiple positions of the same workpiece according to actual use needs; at the same time, this structure can position and clamp the workpiece to ensure the accuracy of the welding position of the workpiece.

[0022] 2. The initial state of the hydraulic cylinder of the base assembly of the angle adjustment mechanism of the utility model is half of the total stroke. When the first support plate of the support plate steering assembly of the steering positioning mechanism needs to tilt forward, the front and rear hydraulic cylinders are started, the output end of the front hydraulic cylinder is retracted, and the output end of the rear hydraulic cylinder is extended. In this process, the output ends of the front and rear hydraulic cylinders are relatively rotated with the inside of the second connecting groove through the connecting shaft, the left and right ends of the hollow cross bar are relatively rotated with the limit block through the connecting shaft, and the bottom of the hydraulic cylinder is relatively rotated with the third support plate through the hinge seat. During use, It will get stuck; when the first support plate needs to tilt to the left, the output end of the left hydraulic cylinder contracts and the output end of the right hydraulic cylinder extends. During this process, the output ends of the left and right hydraulic cylinders rotate relative to the inside of the hollow cross bar through the rotating shaft, and the middle part of the hollow cross bar rotates relative to the first connecting groove opened by the support column through the rotating shaft, and the rotating shaft rotates relative to the limit blocks on the front and rear sides, and it will not get stuck during use; when the workpiece is welded, this structure can arbitrarily adjust the angle of the welded workpiece and its welding position, and has strong versatility and general applicability, and can be applied to the welding of various workpieces.

[0023] 3. When welding workpieces according to the utility model, the position of the lower workpiece is first confirmed by the motor, and the position of the upper workpiece is confirmed by the second cylinder after completion. After completion, the angle of the workpiece is adjusted by the angle adjustment mechanism, and then the position of the welding gun is confirmed by the first linear module and the second linear module of the welding bracket mechanism, and the first station welding is carried out. When the welding of the first station is completed, the upper workpiece and the lower workpiece are simply fixed. At this time, the air claw is released, and the output end of the second cylinder is contracted. The position of the workpiece and the welding gun is confirmed again by the motor, the angle adjustment mechanism, the first linear module and the second linear module, and the welding of the next station is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 The three-dimensional Figure 1 .

[0026] Figure 2 It is a front view of the utility model.

[0027] Figure 3 The utility model hides the three-dimensional structure of the welding bracket mechanism. Figure 2 .

[0028] Figure 4 For along Figure 2 The AA direction hides the cross-sectional view of the welding bracket mechanism.

[0029] Figure 5 The utility model hides the three-dimensional structure of the welding bracket mechanism. Figure 3 .

[0030] Figure 6 for Figure 1 Enlarged view of point B in the middle.

[0031] Figure 7 for Figure 3 Enlarged view of point C in the middle.

[0032] The numbers in the figure represent: 1. welding bracket mechanism; 11. welding bracket; 12. first cylinder; 13. welding gun; 14. first linear module; 15. second linear module; 2. steering positioning mechanism; 21. support plate steering assembly; 211. first support plate; 212. connecting ring; 213. internal gear; 214. motor; 215. gear; 22. workpiece pushing assembly; 221. connecting column; 222. sleeve; 223. slide rod; 224. second cylinder; 225. connecting plate; 226. air claw; 23. second support Plate; 24, workpiece positioning assembly; 241, clamping plate; 242, connecting sleeve; 243, driving bevel block; 244, L-shaped plate; 245, sliding groove; 246, spring; 247, inclined surface positioning block; 248, third cylinder; 3, angle adjustment mechanism; 31, base assembly; 311, third support plate; 312, hydraulic cylinder; 32, support column assembly; 321, support column; 322, first connecting groove; 33, angle adjustment assembly; 331, hollow cross bar; 332, limit block; 333, rotating shaft; 334, second connecting groove. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The utility model is further described below in conjunction with embodiments.

[0035] In the following description, the terms “left”, “right”, “front”, “back”, “up” and “down” are used to refer to Figure 2 The viewing direction is oriented.

[0036] Please refer to the instruction manual Figure 1-7 , an automatically steering multi-station welding machine, comprising a welding bracket mechanism 1;

[0037] The welding bracket mechanism 1 comprises a welding bracket 11, a first cylinder 12, a welding gun 13, a first linear module 14 and a second linear module 15; the first linear module 14 is fixedly connected to the left and right sides of the top of the welding bracket 11, the top of the sliding block of the first linear module 14 is fixedly connected to the second linear module 15, the sliding block of the second linear module 15 is fixedly connected to the first cylinder 12, and the output end of the first cylinder 12 is fixedly connected to the welding gun 13 through a buckle; the welding gun 13 is located directly above the workpiece;

[0038] When in use, the welding bracket 11 of the welding bracket mechanism 1 is used to support the overall frame, and the first linear module 14 and the second linear module 15 can provide X-axis and Y-axis movement for the fixedly installed first cylinder 12, and the first cylinder 12 provides Z-axis movement for the welding gun 13;

[0039] The welding support mechanism 1 is equipped with a steering positioning mechanism 2 for adjusting the welding position of the workpiece;

[0040] The steering and positioning mechanism 2 includes a support plate steering assembly 21, a workpiece pushing assembly 22, a second support plate 23 and a workpiece positioning assembly 24; the support plate steering assembly 21 is fixedly connected to the workpiece pushing assembly 22 and the second support plate 23; the top of the second support plate 23 is fixedly connected to the workpiece positioning assembly 24;

[0041] The support plate steering assembly 21 includes a first support plate 211, a connecting ring 212, an internal gear 213, a motor 214 and a gear 215; the top of the first support plate 211 is fixedly connected with the workpiece pushing assembly 22 and the connecting ring 212, the internal gear 213 is rotatably connected with the inner side wall of the connecting ring 212, the top of the internal gear 213 is fixedly connected with the second support plate 23, the inner side wall of the internal gear 213 is meshedly connected with the motor 214, and the bottom of the gear 215 is fixedly connected with the motor 214;

[0042] The workpiece pushing assembly 22 includes a connecting column 221, a sleeve 222, a sliding rod 223, a second cylinder 224, a connecting plate 225 and an air claw 226; the connecting column 221 is fixedly connected to the top of the first support plate 211, the bottom of the connecting column 221 is fixedly connected to the angle adjustment mechanism 3, the top of the connecting column 221 is fixedly connected to the sleeve 222, the left side of the connecting column 221 is fixedly connected to the second cylinder 224, the sliding rod 223 is slidably connected to the inner wall of the sleeve 222, the output end of the second cylinder 224 is fixedly connected to the left end of the sliding rod 223, the right end of the sliding rod 223 is fixedly connected to the middle of the connecting plate 225, and the front and rear ends of the connecting plate 225 are fixedly connected to the air claw 226;

[0043] The workpiece positioning assembly 24 includes a clamping plate 241, a connecting sleeve 242, a driving inclined block 243, an L-shaped plate 244, a sliding groove 245, a spring 246, an inclined surface positioning block 247 and a third cylinder 248; the output end of the third cylinder 248 is fixedly connected with the clamping plate 241 and the connecting sleeve 242, the clamping plate 241 is located above the connecting sleeve 242, the front side and the left side of the connecting sleeve 242 are fixedly connected with the driving inclined block 243, the L-shaped plate 244 is fixedly connected just below the driving inclined block 243, the top of the L-shaped plate 244 is provided with a sliding groove 245, the inclined surface positioning block 247 is slidably connected to the sliding groove 245, and the two ends of the spring 246 are fixedly connected with the inclined surface positioning block 247 and the L-shaped plate 244 respectively;

[0044] When the lower workpiece is rotated, the motor 214 of the support plate steering assembly 21 of the steering positioning mechanism 2 is started, the motor 214 drives the gear 215 to rotate, the gear 215 drives the inner gear 213 to rotate, the inner gear 213 drives the second support plate 23 to rotate under the limit of the connecting ring 212, the second support plate 23 drives the lower workpiece to rotate, and the first support plate 211 is used to support the overall structure;

[0045] When pushing the upper workpiece, the air claw 226 of the workpiece pushing assembly 22 is started, the air claw 226 clamps the workpiece, the second cylinder 224 is started, the output end of the second cylinder 224 pushes the slide bar 223, and the slide bar 223 drives the air claw 226 to move through the connecting plate 225. In this process, the sleeve 222 provides a limit for the slide bar 223, and the connecting column 221 is used to support the overall structure;

[0046] When fixing the lower workpiece, the initial state of the third cylinder 248 of the workpiece positioning assembly 24 is the extended state. The third cylinder 248 is started, and the output end of the third cylinder 248 contracts. The output end of the third cylinder 248 drives the clamping plate 241, the connecting sleeve 242 and the driving bevel block 243 to move downward; the inclined surface positioning block 247 moves toward the workpiece under the drive of the driving bevel block 243, and the spring 246 is stretched. If the position of the workpiece is offset, one of the inclined surface positioning blocks 247 will contact the workpiece and push the workpiece to the correct position. When the workpiece is pushed to the correct position, the two inclined surface positioning blocks 247 and the clamping plate 241 simultaneously contact the workpiece and clamp the workpiece. In this process, the sliding groove 245 provided on the L-shaped plate 244 is used to limit the inclined surface positioning block 247;

[0047] When welding the workpiece, the position of the lower workpiece is first confirmed by the motor 214, and the position of the upper workpiece is confirmed by the second cylinder 224 after completion. After completion, the angle of the workpiece is adjusted by the angle adjustment mechanism 3, and then the position of the welding gun 13 is confirmed by the first linear module 14 and the second linear module 15 of the welding bracket mechanism 1, and the first station welding is performed. When the welding of the first station is completed, the upper workpiece and the lower workpiece are simply fixed. At this time, the air claw 226 is released, and the output end of the second cylinder 224 is retracted. The positions of the workpiece and the welding gun 13 are confirmed again by the motor 214, the angle adjustment mechanism 3, the first linear module 14 and the second linear module 15, and the welding of the next station is completed;

[0048] The structure can realize the rotation of the lower workpiece and the pushing of the upper workpiece, and can be adjusted to the required welding position at will. It has a simple structure and is easy to use. It can weld multiple positions of the same workpiece according to actual use needs. At the same time, the structure can position and clamp the workpiece to ensure the accuracy of the workpiece welding position.

[0049] The steering positioning mechanism 2 is equipped with an angle adjustment mechanism 3 for adjusting the welding angle;

[0050] The angle adjustment mechanism 3 includes a base assembly 31, a support column assembly 32 and an angle adjustment assembly 33; the support column assembly 32 is fixedly connected to the base assembly 31, and the top of the support column assembly 32 is rotatably connected to the angle adjustment assembly 33;

[0051] The base assembly 31 includes a third support plate 311 and a hydraulic cylinder 312; the third support plate 311 is fixedly connected to the bottom of the support column assembly 32, and hydraulic cylinders 312 are evenly spaced and arranged on the front, rear, left and right sides of the support column assembly 32, and the bottom of the hydraulic cylinder 312 is fixedly connected to the top of the third support plate 311 through a hinge seat, and the top of the hydraulic cylinder 312 is connected to the angle adjustment assembly 33;

[0052] The support column assembly 32 includes a support column 321 and a first connection groove 322; the bottom of the support column 321 is fixedly connected to the top of the third support plate 311, and the top of the support column 321 is provided with a first connection groove 322, and the interior of the first connection groove 322 is rotatably connected to the angle adjustment assembly 33 through a connecting shaft;

[0053] The angle adjustment assembly 33 includes a hollow cross bar 331, a limit block 332, a rotating shaft 333 and a second connecting groove 334; the limit blocks 332 are evenly spaced on the front, back, left and right sides of the bottom of the first support plate 211, the limit blocks 332 are fixedly connected to the bottom of the first support plate 211, the middle part of the hollow cross bar 331 is rotatably connected to the inside of the first connecting groove 322 through a rotating shaft, the left and right ends of the hollow cross bar 331 are rotatably connected to the limit blocks 332 through a rotating shaft, the output ends of the left and right hydraulic cylinders 312 are rotatably connected to the hollow inside of the hollow cross bar 331 through a rotating shaft, the limit blocks 332 on the front and rear sides are rotatably connected to the rotating shaft 333, and the second connecting groove 334 is opened at one end of the rotating shaft 333 close to the support column 321, and the output ends of the front and rear hydraulic cylinders 312 are rotatably connected to the inside of the second connecting groove 334 through a rotating shaft;

[0054] When in use, the initial state of the hydraulic cylinder 312 of the base assembly 31 of the angle adjustment mechanism 3 is half of the total stroke. When the first support plate 211 of the support plate steering assembly 21 of the steering positioning mechanism 2 needs to tilt forward, the front and rear hydraulic cylinders 312 are started, the output end of the front hydraulic cylinder 312 is contracted, and the output end of the rear hydraulic cylinder 312 is extended. In this process, the output ends of the front and rear hydraulic cylinders 312 are relatively rotated with the inside of the second connecting groove 334 through the connecting shaft, the left and right ends of the hollow cross bar 331 are relatively rotated with the limit block 332 through the connecting shaft, and the bottom of the hydraulic cylinder 312 is relatively rotated with the third support plate 311 through the hinge seat, and it will not get stuck during use;

[0055] When the first support plate 211 needs to tilt to the left, the output end of the left hydraulic cylinder 312 contracts and the output end of the right hydraulic cylinder 312 extends. During this process, the output ends of the left and right hydraulic cylinders 312 rotate relative to the inside of the hollow cross bar 331 through the rotating shaft, and the middle part of the hollow cross bar 331 rotates relative to the first connecting groove 322 opened in the support column 321 through the rotating shaft. The rotating shaft 333 rotates relative to the front and rear limit blocks 332 and will not get stuck during use. When welding workpieces, this structure can arbitrarily adjust the angle of the welding workpiece and its welding position. It has strong versatility and general applicability and can be applied to the welding of various workpieces.

[0056] like Figure 1-7 As shown, as a preferred embodiment of the utility model, preferably, the motor 214 adopts a servo motor; this structure can adjust the rotation angle and is easy to use.

[0057] like Figure 1-7 As shown, as a preferred embodiment of the utility model, preferably, the welding gun 13 adopts a laser welding gun; this structure has the characteristics of low heat input, small welding deformation, and no influence of electromagnetic field.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic steering multi-station welding machine, comprising a welding support mechanism (1), characterized in that: The welding support mechanism (1) is equipped with a steering positioning mechanism (2) for adjusting the welding position of the workpiece; The steering positioning mechanism (2) is equipped with an angle adjustment mechanism (3) for adjusting the welding angle; The steering and positioning mechanism (2) comprises a support plate steering assembly (21), a workpiece pushing assembly (22), a second support plate (23) and a workpiece positioning assembly (24); the support plate steering assembly (21) is fixedly connected to the workpiece pushing assembly (22) and the second support plate (23); and the top of the second support plate (23) is fixedly connected to the workpiece positioning assembly (24).

2. The multi-station welding machine with automatic steering according to claim 1, characterized in that: The welding support mechanism (1) comprises a welding support (11), a first cylinder (12), a welding gun (13), a first linear module (14) and a second linear module (15); the first linear module (14) is fixedly connected to the left and right sides of the top of the welding support (11); the second linear module (15) is fixedly connected to the top of the sliding block of the first linear module (14); the sliding block of the second linear module (15) is fixedly connected to the first cylinder (12); the output end of the first cylinder (12) is fixedly connected to the welding gun (13) via a buckle; the welding gun (13) is located directly above the workpiece.

3. The multi-station welding machine with automatic steering according to claim 2, characterized in that: The support plate steering assembly (21) comprises a first support plate (211), a connecting ring (212), an internal gear (213), a motor (214) and a gear (215); the top of the first support plate (211) is fixedly connected to the workpiece pushing assembly (22) and the connecting ring (212); the internal gear (213) is rotatably connected to the inner side wall of the connecting ring (212); the top of the internal gear (213) is fixedly connected to the second support plate (23); the inner side wall of the internal gear (213) is meshingly connected to the motor (214); and the bottom of the gear (215) is fixedly connected to the motor (214).

4. The multi-station welding machine with automatic steering according to claim 3, characterized in that: The workpiece pushing assembly (22) comprises a connecting column (221), a sleeve (222), a sliding rod (223), a second air cylinder (224), a connecting plate (225) and an air claw (226); the connecting column (221) is fixedly connected to the top of the first support plate (211); the bottom of the connecting column (221) is fixedly connected to the angle adjustment mechanism (3); the top of the connecting column (221) is fixedly connected to the sleeve (222); the left side of the connecting column (221) is fixedly connected to the second air cylinder (224); the sliding rod (223) is slidably connected to the inner wall of the sleeve (222); the output end of the second air cylinder (224) is fixedly connected to the left end of the sliding rod (223); the right end of the sliding rod (223) is fixedly connected to the middle of the connecting plate (225); and the front and rear ends of the connecting plate (225) are fixedly connected to the air claw (226).

5. The multi-station welding machine with automatic steering according to claim 4, characterized in that: The workpiece positioning assembly (24) comprises a clamping plate (241), a connecting sleeve (242), a driving inclined block (243), an L-shaped plate (244), a sliding groove (245), a spring (246), an inclined surface positioning block (247) and a third cylinder (248); the output end of the third cylinder (248) is fixedly connected to the clamping plate (241) and the connecting sleeve (242), the clamping plate (241) is located above the connecting sleeve (242), and the front side and the left side of the connecting sleeve (242) are fixedly connected to the driving inclined block (243).

6. The multi-station welding machine with automatic steering according to claim 5, characterized in that: An L-shaped plate (244) is fixedly connected directly below the driving inclined block (243), a sliding groove (245) is provided on the top of the L-shaped plate (244), an inclined surface positioning block (247) is slidably connected to the sliding groove (245), and two ends of a spring (246) are fixedly connected to the inclined surface positioning block (247) and the L-shaped plate (244), respectively.

7. The multi-station welding machine with automatic steering according to claim 6, characterized in that: The angle adjustment mechanism (3) comprises a base assembly (31), a support column assembly (32) and an angle adjustment assembly (33); the support column assembly (32) is fixedly connected to the base assembly (31), and the top of the support column assembly (32) is rotatably connected to the angle adjustment assembly (33).

8. The multi-station welding machine with automatic steering according to claim 7, characterized in that: The base assembly (31) comprises a third support plate (311) and a hydraulic cylinder (312); the third support plate (311) is fixedly connected to the bottom of the support column assembly (32); hydraulic cylinders (312) are evenly spaced and arranged on the front, rear, left and right sides of the support column assembly (32); the bottom of the hydraulic cylinder (312) is fixedly connected to the top of the third support plate (311) via a hinge seat; and the top of the hydraulic cylinder (312) is connected to the angle adjustment assembly (33).

9. The multi-station welding machine with automatic steering according to claim 8, characterized in that: The support column assembly (32) comprises a support column (321) and a first connecting groove (322); the bottom of the support column (321) is fixedly connected to the top of the third support plate (311), the top of the support column (321) is provided with the first connecting groove (322), and the interior of the first connecting groove (322) is rotatably connected to the angle adjustment assembly (33) via a connecting shaft.

10. The multi-station welding machine with automatic steering according to claim 9, characterized in that: The angle adjustment assembly (33) comprises a hollow cross bar (331), a limit block (332), a rotation axis (333) and a second connection groove (334); the limit blocks (332) are evenly spaced and arranged on the front, rear, left and right sides of the bottom of the first support plate (211); the limit blocks (332) are fixedly connected to the bottom of the first support plate (211); the middle part of the hollow cross bar (331) is rotationally connected to the inside of the first connection groove (322) via the rotation axis; the left and right sides of the hollow cross bar (331) are The ends are rotatably connected to the limit blocks (332) via a rotating shaft, the output ends of the left and right hydraulic cylinders (312) are rotatably connected to the hollow interior of the hollow cross bar (331) via a rotating shaft, the limit blocks (332) on the front and rear sides are rotatably connected to the rotating shaft (333), one end of the rotating shaft (333) close to the support column (321) is provided with a second connecting groove (334), and the output ends of the front and rear hydraulic cylinders (312) are rotatably connected to the interior of the second connecting groove (334) via a rotating shaft.

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