A welding fixture for a cab support assembly

Abstract

The application discloses a welding tool for cab support assembly, which comprises a supporting assembly, a driving assembly, a clamping assembly and a limiting adjusting assembly, characterized in that the supporting assembly is provided with the driving assembly, the clamping assembly is installed on the left upper end of the driving assembly, and the limiting adjusting assembly is fixedly connected to the right upper end of the driving assembly. The tool clamp can fix the U-shaped bracket, and the position of the U-shaped bracket cannot be adjusted. During the welding process, the welder needs to constantly adjust the welding point and the welding angle, which will increase the physical consumption of the welder, reduce the welding efficiency, and the U-shaped bracket usually needs to be circumferentially welded around the welding position. However, the existing tool clamp cannot overturn the U-shaped bracket, so that the U-shaped bracket needs to be taken down and re-welded, which will increase the tool positioning error, cause welding defects, and reduce the welding quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of welding tooling, and specifically discloses a welding tooling for cab support assembly. BACKGROUND

[0002] Automobile parts processing is each unit constituting the whole of automobile parts processing and the product serving automobile parts processing. With the continuous development of automobile parts processing market, automobile parts processing is also continuously systematized and modularized, and parts processing is gradually globalized, so the market of automobile parts is also expanding. In the bracket mechanism of the rear suspension system of the cab, in order to reduce the weight design, the bracket is usually designed as a tailor-welded structure, and then welded and assembled. One of the U-shaped brackets needs to be clamped and fixed during manufacturing. The existing clamping method usually uses multiple clamps for multiple clamping, and the tool positioning error is large, which is time-consuming and laborious in the clamping and taking down process of the bracket, and is not convenient to use.

[0003] In view of the above situation, Chinese researchers have carried out continuous exploration, and the invention patent with publication number CN210451562U discloses a welding tooling for automobile cab rear suspension U-shaped bracket, which comprises a clamping body, a U-shaped support part, a U-shaped bracket, a special-shaped positioning pin, a bracket and a sliding groove, can clamp and position the U-shaped bracket once, reduces the cumulative error caused by multiple positioning, and improves the production efficiency.

[0004] However, the above-mentioned patent cannot adjust the position of the U-shaped bracket after clamping and fixing the U-shaped bracket, and the welder needs to constantly adjust the welding point and the welding angle during the welding process, which will increase the physical consumption of the welder, thereby reducing the welding efficiency. At the same time, the U-shaped bracket usually needs to be circumferentially welded around the welding position during welding, and the above-mentioned tooling clamp cannot be turned over, which leads to the need to take down the U-shaped bracket and re-tooling during welding, which will increase the tool positioning error and cause welding defects, thereby reducing the welding quality. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a welding tooling for cab support assembly, which solves the problem that the existing tooling clamp cannot adjust the position of the U-shaped bracket after clamping and fixing the U-shaped bracket, and the welder needs to constantly adjust the welding point and the welding angle during the welding process, which will increase the physical consumption of the welder, thereby reducing the welding efficiency. At the same time, the U-shaped bracket usually needs to be circumferentially welded around the welding position during welding, and the existing tooling clamp usually cannot be turned over, which leads to the need to take down the U-shaped bracket and re-tooling during welding, which will increase the tool positioning error and cause welding defects, thereby reducing the welding quality.

[0006] The technical scheme adopted by the present application to solve the above technical problems is: a welding tool for a cab support assembly, comprising a support assembly, a driving assembly, a clamping assembly and a limiting adjustment assembly, the support assembly is provided with the driving assembly, the left upper end of the driving assembly is provided with the clamping assembly, and the right upper end of the driving assembly is fixedly connected with the limiting adjustment assembly;

[0007] The clamping assembly comprises a steering unit, a connecting frame, a support plate and a clamping unit, the left upper end of the driving assembly is provided with the steering unit, the right end of the steering unit is fixedly connected with the support plate through the front and rear symmetrically arranged connecting frames, and the support plate is provided with the clamping unit.

[0008] The limiting adjustment assembly comprises a strip-shaped sliding groove, a vertical plate, a support spring, a tamping rod, a tamping head, a connecting block, an adjusting rod and a limiting unit, a strip-shaped sliding groove is formed in the middle of the upper end surface of the right moving base, the vertical plate is slidably installed in the strip-shaped sliding groove through the support spring, the connecting block is fixedly installed on the upper end of the vertical plate, the adjusting rod is hingedly connected to the connecting block in a front and rear symmetric manner, the end of the adjusting rod away from the connecting block is hingedly connected with the limiting unit, the lower end of the limiting unit is fixedly installed on the front and rear ends of the moving base, the tamping rod is fixedly connected to the left side wall of the vertical plate close to the lower end, and the tamping head is fixedly sleeved on the left end of the tamping rod.

[0009] Preferably, the support assembly comprises a backing plate, a supporting leg and a support frame body, the support frame body has an open upper end structure, the supporting leg is fixedly connected to the lower end surface of the support frame body close to the corner, and the backing plate is fixedly connected to the lower end of the supporting leg.

[0010] Preferably, the driving assembly comprises a driving unit, a driving shaft, a threaded segment, a moving base, a limiting block and a limiting sliding groove, the driving unit is arranged in the middle of the right side wall of the support frame body, the driving shaft is symmetrically arranged at positions close to the front and rear sides of the driving unit, the left end of the driving shaft penetrates into the inside of the support frame body and is rotationally connected to the left side wall of the support frame body, the threaded segments are symmetrically formed on the left and right sides of the driving shaft, the moving base is uniformly and spirally transmissionally arranged on each group of threaded segments, the limiting sliding grooves are symmetrically formed in the front and rear side walls of the support frame body, the limiting block is slidably arranged in the limiting sliding groove, and the end of the limiting block away from the limiting sliding groove is fixedly connected to the moving base.

[0011] Preferably, the driving unit comprises a bidirectional motor, a first pulley, a second pulley and an annular belt, the bidirectional motor is fixedly installed in the middle of the right side wall of the support frame body through a motor set, the first pulley is arranged on the output shaft of the bidirectional motor in a key connection manner, the second pulley is symmetrically installed on the front and rear sides of the first pulley, the second pulley is installed on the right end of the driving shaft in a key connection manner, and the first pulley and the second pulley are connected through the annular belt.

[0012] Preferably, the steering unit comprises a pressing rod, a cylindrical extrusion rod, a cylindrical extrusion protruding section, a T-shaped vertical plate, an extrusion spring, a steering motor, a driving gear, a driven gear, a gear shaft and a steering disc, wherein a rectangular groove is formed in the middle of the left moving base, the T-shaped vertical plate is slidably arranged in the rectangular groove, the extrusion spring is installed between the positions close to the front and back ends of the T-shaped vertical plate and the top of the rectangular groove, the cylindrical extrusion protruding section is fixedly connected to the lower end of the T-shaped vertical plate, the cylindrical extrusion rod is attached to the left side of the cylindrical extrusion protruding section, the pressing rod is fixedly connected to the left end of the cylindrical extrusion rod, the left side wall of the support frame body, the steering motor is fixedly installed on the middle of the left side wall of the T-shaped vertical plate through the motor base, the driving gear is fixedly installed on the output shaft of the steering motor, the driven gear is engaged above the driving gear and is arranged at the left end of the gear shaft through a key connection, the gear shaft is rotatably arranged at the position close to the upper end of the T-shaped vertical plate, and the steering disc is fixedly connected to the right end of the gear shaft.

[0013] Preferably, an arc-shaped stop groove is formed in the upper end of the cylindrical extrusion rod, which can cooperate with the cylindrical extrusion protruding section, so that the cylindrical extrusion protruding section can stay at the upper end of the cylindrical extrusion rod.

[0014] Preferably, the clamping unit comprises an electric push rod, a pushing block, a pull rod, a linkage rod, a rectangular through slot, a sliding vertical rod, a buffer spring and a clamping plate, wherein the electric push rod is fixedly installed on the middle of the lower end face of the support plate through the push rod base, the pushing block is fixedly connected to the lower end of the electric push rod, the pull rod is rotatably installed on the left and right ends of the pushing block through a pin shaft, the linkage rod is rotatably installed on the middle of the pull rod through a pin shaft, the sliding vertical rods are uniformly installed on the upper end face of the linkage rod from front to back, the rectangular through slots are uniformly formed in the left and right ends of the support plate from front to back, the sliding vertical rods are slidably arranged in the rectangular through slots, the buffer springs are arranged between the sliding vertical rods and the inner side walls of the rectangular through slots, and the clamping plate is fixedly connected to the upper end of the sliding vertical rod.

[0015] Preferably, the rubber protrusions are arranged in a rectangular array on the opposite side walls of the clamping plate, which can increase the friction between the clamping plate and the U-shaped bracket, thereby facilitating clamping and fixing.

[0016] Preferably, the alignment groove is formed in the position corresponding to the height of the tamping rod on the right side wall of the T-shaped vertical plate, which can ensure that the left end of the tamping rod does not slip when it hits the T-shaped vertical plate, so that the adjusting rod can smoothly adjust the position of the limiting unit, thereby facilitating the positioning of the U-shaped bracket.

[0017] Preferably, the limiting unit comprises a fixed rod, an extrusion sliding groove, a first spring, a limiting plate, a cylindrical cavity, a second spring, a sliding shaft, a pulley and a semi-cylindrical limiting block, the front and rear ends of the upper end face of the moving base on the right side are symmetrically provided with the fixed rods, the upper end of the fixed rod is provided with the limiting plate, the middle part of the lower end face of the limiting plate is provided with the extrusion sliding groove, the upper end of the fixed rod is slidably arranged in the extrusion sliding groove and the first spring is arranged between the fixed rod and the inner wall of the extrusion sliding groove, the side wall opposite to the limiting plate is fixedly provided with the semi-cylindrical limiting block, the left end of the limiting plate is provided with the cylindrical cavity, the sliding shaft is slidably arranged in the cylindrical cavity through the second spring, and the pulley is rotatably arranged at the left end of the sliding shaft.

[0018] The beneficial effects of the present application are as follows:

[0019] (1) The clamping mode can adjust the U-shaped bracket through the limiting unit in the limiting adjustment assembly before clamping the U-shaped bracket, so that the U-shaped bracket is centrally arranged on the upper end of the supporting plate, then the clamping assembly arranged subsequently can clamp and fix the U-shaped bracket, in the welding process, the position of the U-shaped bracket can be moved in the horizontal direction through the driving assembly, so that a labor-saving and convenient welding angle is provided for the welder, thereby saving physical consumption and improving welding efficiency.

[0020] (2) The driving assembly can drive the U-shaped bracket to turn over by 180 degrees after welding on one side of the U-shaped bracket is completed, so that the welder can conveniently perform welding operation, the problem of multiple fixtures is avoided, the positioning error is reduced, and the welding quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The present application will be further described below in combination with the drawings and examples.

[0022] Figure 1 is the first perspective structural schematic diagram of the present application;

[0023] Figure 2 is the second perspective structural schematic diagram of the present application;

[0024] Figure 3 is the overall structure top view of the present application;

[0025] Figure 4 is the A-A sectional view of the present application; Figure 3

[0026] Figure 5 is the internal structure schematic diagram of the moving base and the steering unit in the present application;

[0027] Figure 6 is the connection structure schematic diagram of the driving shaft, the moving base, the rectangular groove, the cylindrical extrusion rod, the T-shaped vertical plate and the extrusion spring in the present application;

[0028] ​Figure 7 is the internal structure diagram of the supporting plate and the clamping unit in the application;

[0029] Figure 8 is the transverse sectional view of the limiting unit in the application;

[0030] Figure 9 is the longitudinal sectional view of the adjusting rod and the limiting unit in the application;

[0031] Figure 10 is the structural diagram of the U-shaped bracket in the application.

[0032] In the figure: 1, supporting assembly; 11, base plate; 12, supporting leg; 13, supporting frame; 2, driving assembly; 21, driving unit; 211, bidirectional motor; 212, No. 1 pulley; 213, No. 2 pulley; 214, annular belt; 22, driving shaft; 23, threaded section; 24, moving base; 25, limiting block; 26, limiting sliding groove; 3, clamping assembly; 31, turning unit; 311, pressing rod; 312, rectangular groove; 313, cylindrical extrusion rod; 3131, arc-shaped stop recess; 314, cylindrical extrusion protruding section; 315, T-shaped vertical plate; 3151, alignment recess; 316, extrusion spring; 317, turning motor; 318, driving gear; 319, driven gear; 3110, gear shaft; 3111, turning disc; 32, connecting frame; 33, supporting plate; 34, clamping unit; 341, electric push rod; 342, pushing block; 343, pull rod; 344, linkage rod; 345, rectangular through groove; 346, sliding vertical rod; 347, buffer spring; 348, clamping plate; 3481, rubber protrusion; 4, limiting adjusting assembly; 41, strip-shaped sliding groove; 42, vertical plate; 43, supporting spring; 44, tamping rod; 45, tamping head; 46, connecting block; 47, adjusting rod; 48, limiting unit; 481, fixed rod; 482, extrusion sliding groove; 483, No. 1 spring; 484, limiting plate; 485, cylindrical cavity; 486, No. 2 spring; 487, sliding shaft; 488, pulley; 489, semi-cylindrical limiting block. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific embodiments.

[0034] Embodiment one: refer to Figures 1 to 7 and Figure 10 A kind of welding tool of cab support assembly, including supporting assembly 1, driving assembly 2, clamping assembly 3 and limiting adjusting assembly 4, it is characterized in that: the supporting assembly 1 is provided with driving assembly 2, driving assembly 2 left side upper end is equipped with clamping assembly 3, driving assembly 2 right side upper end is fixedly connected with limiting adjusting assembly 4.

[0035] The support assembly 1 comprises a base plate 11, a support leg 12 and a support frame 13, wherein the support frame 13 is an open structure at the upper end, the support leg 12 is fixedly connected to the lower end surface of the support frame 13 near the corner, and the base plate 11 is fixedly connected to the lower end of the support leg 12.

[0036] The driving assembly 2 comprises a driving unit 21, a driving shaft 22, a threaded segment 23, a moving base 24, a limiting block 25 and a limiting sliding groove 26, wherein the driving unit 21 is arranged in the middle of the right side wall of the support frame 13, the driving shaft 22 is symmetrically arranged near the front and rear positions of the driving unit 21, the left end of the driving shaft 22 penetrates into the inside of the support frame 13 and is rotationally connected to the left side wall of the support frame 13, the threaded segments 23 are symmetrically arranged on the left and right sides of the driving shaft 22, each group of threaded segments 23 is uniformly and spirally transmissionally provided with the moving base 24, the limiting sliding grooves 26 are symmetrically arranged on the front and rear side walls of the support frame 13, the limiting blocks 25 are slidingly arranged in the limiting sliding grooves 26, and the end of the limiting block 25 away from the limiting sliding groove 26 is fixedly connected to the moving base 24.

[0037] The driving unit 21 comprises a bidirectional motor 211, a first pulley 212, a second pulley 213 and an annular belt 214, wherein the bidirectional motor 211 is fixedly installed in the middle of the right side wall of the support frame 13 through a motor assembly, the first pulley 212 is arranged on the output shaft of the bidirectional motor 211 in a key connection manner, the second pulleys 213 are symmetrically installed on the front and rear sides of the first pulley 212, the second pulleys 213 are installed on the right end of the driving shaft 22 in a key connection manner, and the first pulley 212 and the second pulleys 213 are connected through the annular belt 214.

[0038] The clamping assembly 3 comprises a steering unit 31, a connecting frame 32, a support plate 33 and a clamping unit 34, wherein the steering unit 31 is arranged on the left side of the driving assembly 2, the support plate 33 is fixedly connected to the steering unit 31 through the front and rear symmetrically arranged connecting frames 32, and the clamping unit 34 is installed on the support plate 33.

[0039] The turning unit 31 comprises a pressing rod 311, a rectangular groove 312, a cylindrical extrusion rod 313, a cylindrical extrusion protruding section 314, a T-shaped vertical plate 315, an extrusion spring 316, a turning motor 317, a driving gear 318, a driven gear 319, a gear shaft 3110 and a steering wheel 3111. The middle part of the moving base 24 on the left side is provided with the rectangular groove 312, the middle part of the rectangular groove 312 is slidably provided with the T-shaped vertical plate 315, the T-shaped vertical plate 315 is provided with the extrusion spring 316 between the positions close to the front and back ends and the top of the rectangular groove 312, the lower end of the T-shaped vertical plate 315 is fixedly connected with the cylindrical extrusion protruding section 314, the left side of the cylindrical extrusion protruding section 314 is attached with the cylindrical extrusion rod 313, the upper end of the cylindrical extrusion rod 313 is provided with an arc-shaped stop groove 3131, the arc-shaped stop groove 3131 can cooperate with the cylindrical extrusion protruding section 314, so that the cylindrical extrusion protruding section 314 can stop on the upper end of the cylindrical extrusion rod 313, the middle part of the left side of the cylindrical extrusion rod 313 is fixedly connected with the pressing rod 311, the left end of the pressing rod 311 is fixedly connected to the left side wall of the support frame 13, the left side wall of the T-shaped vertical plate 315 is fixedly provided with the turning motor 317 through a motor base, the output shaft of the turning motor 317 is fixedly provided with the driving gear 318, the driving gear 318 is engaged with the driven gear 319, the driven gear 319 is provided on the left end of the gear shaft 3110 through a key connection, the gear shaft 3110 is rotatably provided in the position close to the upper end of the T-shaped vertical plate 315, and the right end of the gear shaft 3110 is fixedly connected with the steering wheel 3111.

[0040] The clamping unit 34 comprises an electric push rod 341, a pushing block 342, a pull rod 343, a linkage rod 344, a rectangular through groove 345, a sliding vertical rod 346, a buffer spring 347 and a clamping plate 348. The lower end surface of the support plate 33 is fixedly provided with the electric push rod 341 through a push rod base, the lower end of the electric push rod 341 is fixedly connected with the pushing block 342, the pushing block 342 is rotatably provided on the left and right ends through a pin shaft, the upper end of the pull rod 343 is rotatably provided in the middle part of the linkage rod 344 through a pin shaft, the upper end surface of the linkage rod 344 is uniformly provided with the sliding vertical rod 346 from front to back, the left and right ends of the support plate 33 are uniformly provided with the rectangular through groove 345 from front to back, the sliding vertical rod 346 is slidably provided in the rectangular through groove 345, the buffer spring 347 is arranged between the sliding vertical rod 346 and the inner side wall of the rectangular through groove 345, and the upper end of the sliding vertical rod 346 is fixedly connected with the clamping plate 348. Rectangular arrays of rubber protrusions 3481 are arranged on the opposite side walls of the clamping plate 348, which can increase the friction between the clamping plate 348 and the U-shaped bracket, thereby facilitating clamping and fixing.

[0041] Specific work, by artificial U bracket placed on the support plate 33 end, the U bracket opening towards the right, start two-way motor 211, through the two-way motor 211 drive No. pulley 212 positive rotation, under the action of the ring belt 214, No. pulley 213 and drive shaft 22 will also rotate with it, the screw section 23 will also be positive rotation and drive the left and right sides of the moving base 24 close to each other, so that the clamping assembly 3 and the limiting adjustment assembly 4 close to each other, in the process, the limiting adjustment assembly 4 can be positioned on the U bracket support plate 33, so that the U bracket front and rear end protruding distance is equal;

[0042] Start electric push rod 341, through the electric push rod 341 drive push block 342 downward movement, under the action of the pull rod 343, the left and right sides of the linkage rod 344 will be opposite movement, while driving the left and right sides of the sliding vertical rod 346 close to each other, at this time the buffer spring 347 is compressed, the left and right sides of the clamping plate 348 close to each other, finally in the role of the rubber convex 3481, the U bracket clamping fixed, then through the welding personnel welding work;

[0043] When the U bracket upper end welding place welding is completed, start two-way motor 211 again, through the two-way motor 211 drive No. pulley 212 reverse, under the action of the ring belt 214, No. pulley 213 and drive shaft 22 will also reverse rotation with it, the screw section 23 will also be reverse and drive the left and right sides of the moving base 24 away from each other, so that the clamping assembly 3 and the limiting adjustment assembly 4 away from each other, in the process, the T-shaped vertical plate 315 on the left side of the moving base 24 lower end of the cylindrical extrusion convex section 314 will be connected to the cylindrical extrusion rod 313, and then under the action of the pressure rod 311, the cylindrical extrusion rod 313 will drive the cylindrical extrusion convex section 314 and T-shaped vertical plate 315 upward movement, at this time the extrusion spring 316 is compressed, when the cylindrical extrusion convex section 314 moves to the arc stop groove 3131, start steering motor 317, through the steering motor 317 drive the driving gear 318 rotation 180 degrees, under the action of the driven gear 319, gear shaft 3110 and steering wheel 3111 will also rotate 180 degrees, thus driving the connecting frame 32, support plate 33 and clamping unit 34 overturn 180 degrees, in order to achieve the purpose of driving the U bracket overturn 180 degrees, at this time can start two-way motor 211 again and make it positive rotation, when the limiting adjustment assembly 4 again on the U bracket limiting, through artificial U bracket another end face welding work.

[0044] Example two: the technical scheme is basically the same as example one, refer to Figures 1 to 4 and Figures 8 to 10 , the difference is:

[0045] The limiting adjustment assembly 4 includes a strip-shaped sliding groove 41, a vertical plate 42, a supporting spring 43, a tamping rod 44, a tamping head 45, a connecting block 46, an adjusting rod 47 and a limiting unit 48, wherein the middle part of the upper end face of the right mobile base 24 is provided with the strip-shaped sliding groove 41, the vertical plate 42 is slidably installed in the strip-shaped sliding groove 41 through the supporting spring 43, the connecting block 46 is fixedly installed at the upper end of the vertical plate 42, the adjusting rod 47 is symmetrically hinged on the connecting block 46, the end of the adjusting rod 47 away from the connecting block 46 is hinged with the limiting unit 48, the lower end of the limiting unit 48 is fixedly installed on the front and rear ends of the mobile base 24, the tamping rod 44 is fixedly connected to the left side wall of the vertical plate 42 close to the lower end, the tamping head 45 is fixedly sleeved on the left end of the tamping rod 44, and the right side wall of the T-shaped vertical plate 315 is provided with a positioning groove 3151 at a position corresponding to the height of the tamping rod 44, so that the left end of the tamping rod 44 cannot slip when it hits the T-shaped vertical plate 315, so that the adjusting rod 47 can stably adjust the position of the limiting unit 48, and the U-shaped bracket is conveniently positioned.

[0046] The limiting unit 48 includes a fixed rod 481, an extrusion sliding groove 482, a first spring 483, a limiting plate 484, a cylindrical cavity 485, a second spring 486, a sliding shaft 487, a pulley 488 and a semi-cylindrical limiting block 489, wherein the fixed rods 481 are symmetrically arranged on the upper end face of the right mobile base 24, the limiting plate 484 is arranged at the upper end of the fixed rod 481, the extrusion sliding groove 482 is arranged in the middle part of the lower end face of the limiting plate 484, the first spring 483 is arranged between the fixed rod 481 and the inner wall of the extrusion sliding groove 482, the semi-cylindrical limiting block 489 is fixedly arranged on the opposite side wall of the limiting plate 484, the cylindrical cavity 485 is arranged at the left end of the limiting plate 484, the sliding shaft 487 is slidably arranged in the cylindrical cavity 485 through the second spring 486, and the pulley 488 is rotatably arranged at the left end of the sliding shaft 487.

[0047] In specific work, when the driving unit 21 drives the clamping assembly 3 and the limiting adjustment assembly 4 to approach each other, the tamping head 45 at the left end of the tamping rod 44 will hit the positioning groove 3151 on the right side wall of the T-shaped vertical plate 315, and under the reaction force of the T-shaped vertical plate 315, the vertical plate 42 will slide rightwards along the strip-shaped sliding groove 41, at this time, the supporting spring 43 is compressed, and the pulley 488 arranged at the left end of the sliding shaft 487 will be attached to the side wall of the right clamping plate 348, with the continuous extrusion of the tamping head 45 and the T-shaped vertical plate 315, the connecting block 46 will drive the adjusting rod 47 to rotate to the front and rear sides, thereby driving the limiting plates 484 on the front and rear sides to move away from each other, until the semi-cylindrical limiting block 489 is attached to the inner walls of the U-shaped bracket, thereby achieving the purpose of positioning the U-shaped bracket.

[0048] The working principle of the present application in use is:

[0049] One: put the U-shaped bracket on the upper end of the support plate 33 by artificial, make the U-shaped bracket opening face to the right side, start the bidirectional motor 211, drive the No. 1 belt pulley 212 to positive rotation through the bidirectional motor 211, under the action of the annular belt 214, the No. 2 belt pulley 213 and the drive shaft 22 will also rotate, at the same time, the threaded section 23 will also positive rotation and drive the left and right moving bases 24 to close to each other, so that the clamping assembly 3 and the limiting adjustment assembly 4 close to each other, in this process, the rammer head 45 at the left end of the rammer 44 will hit the positioning groove 3151 on the right side wall of the T-shaped vertical plate 315, under the reaction force of the T-shaped vertical plate 315, the vertical plate 42 will slide along the strip-shaped sliding groove 41 to the right, at this time, the supporting spring 43 is compressed, at the same time, the pulley 488 set at the left end of the sliding shaft 487 will be attached to the side wall of the right clamping plate 348, with the rammer head 45 and the T-shaped vertical plate 315 constantly extruding, the connecting block 46 will drive the adjusting rod 47 to rotate to the front and back sides, so as to drive the front and back limiting plates 484 to move away from each other, until the semi-cylindrical limiting block 489 is attached to the inner wall of the U-shaped bracket, so as to achieve the purpose of correcting the position of the U-shaped bracket, finally, the protruding distance of the two ends of the U-shaped bracket is equal;

[0050] Two: start the electric push rod 341, drive the push block 342 to move downward through the electric push rod 341, under the action of the pull rod 343, the left and right linkage rods 344 will move towards each other, at the same time, drive the left and right sliding vertical rods 346 to close to each other, at this time, the buffer spring 347 is constantly compressed, the left and right clamping plates 348 close to each other, finally, under the action of the rubber protrusion 3481, the U-shaped bracket is clamped and fixed, then the welding personnel carries out welding operation;

[0051] Three: when the upper end of the U-shaped bracket welds are welded, the bidirectional motor 211 is started again, the No. 1 pulley 212 is reversed under the action of the bidirectional motor 211, the No. 2 pulley 213 and the drive shaft 22 are also reversed under the action of the annular belt 214, the threaded section 23 is also reversed and drives the left and right moving bases 24 to move away from each other, so that the clamping assembly 3 and the limiting adjustment assembly 4 move away from each other, in this process, the cylindrical extrusion protruding section 314 at the lower end of the T-shaped vertical plate 315 on the left moving base 24 abuts against the cylindrical extrusion rod 313, and then under the action of the abutting rod 311, the cylindrical extrusion rod 313 drives the cylindrical extrusion protruding section 314 and the T-shaped vertical plate 315 to move upward, at this time the compression spring 316 is compressed, when the cylindrical extrusion protruding section 314 moves to the arc-shaped stop groove 3131, the steering motor 317 is started, the driving gear 318 is rotated 180 degrees under the action of the steering motor 317, the gear shaft 3110 and the steering disc 3111 are also rotated 180 degrees under the action of the driven gear 319, so as to drive the connecting frame 32, the supporting plate 33 and the clamping unit 34 to overturn 180 degrees, thereby achieving the purpose of overturning the U-shaped bracket 180 degrees, at this time the bidirectional motor 211 is started again and is made to rotate forward, when the limiting adjustment assembly 4 limits the U-shaped bracket again, the other end surface of the U-shaped bracket is welded by artificial operation.

[0052] Four: when the U-shaped bracket is welded, the electric push rod 341 is started, the push block 342 is driven upward by the electric push rod 341, and then under the action of the buffer spring 347, the left and right clamping plates 348 are also reset and the clamping and fixing effect on the U-shaped bracket is released, and then the welded U-shaped bracket is taken down by artificial operation.

[0053] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and the description in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding tooling for cab support assembly, comprising a support assembly (1), a driving assembly (2), a clamping assembly (3) and a limiting adjustment assembly (4), characterized in that: The support assembly (1) is provided with a driving assembly (2), the left upper end of the driving assembly (2) is provided with a clamping assembly (3), and the right upper end of the driving assembly (2) is fixedly connected with a limiting adjusting assembly (4). The clamping assembly (3) comprises a steering unit (31), a connecting frame (32), a supporting plate (33) and a clamping unit (34), wherein the left upper end of the driving assembly (2) is provided with the steering unit (31), the right end of the steering unit (31) is fixedly connected with the supporting plate (33) through the front and rear symmetrically arranged connecting frames (32), and the clamping unit (34) is arranged on the supporting plate (33). The driving assembly (2) comprises a driving unit (21), a driving shaft (22), a threaded section (23), a moving base (24), a limiting block (25) and a limiting sliding groove (26), the left and right symmetrically arranged threaded sections (23) are formed in the driving shaft (22), and the moving base (24) is spirally arranged on each group of threaded sections (23). The limiting adjusting assembly (4) comprises a strip-shaped sliding groove (41), a vertical plate (42), a supporting spring (43), a tamping rod (44), a tamping head (45), a connecting block (46), an adjusting rod (47) and a limiting unit (48), wherein the middle part of the upper end face of the moving base (24) on the right side is provided with the strip-shaped sliding groove (41), the vertical plate (42) is slidably arranged in the strip-shaped sliding groove (41) through the supporting spring (43), the connecting block (46) is fixedly arranged on the upper end of the vertical plate (42), the adjusting rod (47) is hingedly arranged on the connecting block (46) in a front and rear symmetric manner, the limiting unit (48) is hingedly arranged on the end, away from the connecting block (46), of the adjusting rod (47), the lower end of the limiting unit (48) is fixedly arranged on the front and rear ends of the moving base (24), the tamping rod (44) is fixedly connected to the left side wall of the vertical plate (42) near the lower end, and the tamping head (45) is fixedly arranged on the left end of the tamping rod (44).

2. The welding fixture for a cab support assembly of claim 1, wherein: The support assembly (1) comprises a base plate (11), a supporting leg (12) and a supporting frame body (13), wherein the supporting frame body (13) is in an open upper end structure, the supporting leg (12) is fixedly connected to the lower end face of the supporting frame body (13) near the corner, and the base plate (11) is fixedly connected to the lower end of the supporting leg (12).

3. A welding fixture for a cab support assembly according to claim 2, characterized in that: The driving unit (21) is arranged on the right side wall of the supporting frame body (13), the driving shaft (22) is symmetrically arranged on the front and rear sides of the driving unit (21), the left end of the driving shaft (22) penetrates into the inside of the supporting frame body (13) and is rotatably connected to the left side wall of the supporting frame body (13), the limiting sliding grooves (26) are symmetrically formed in the front and rear side walls of the supporting frame body (13), the limiting blocks (25) are slidably arranged in the limiting sliding grooves (26), and the end, away from the limiting sliding groove (26), of the limiting block (25) is fixedly connected to the moving base (24).

4. A cab support assembly welding fixture according to claim 3, characterized in that: The driving unit (21) comprises a bidirectional motor (211), a No. 1 pulley (212), a No. 2 pulley (213) and an annular belt (214), wherein the bidirectional motor (211) is fixedly installed on the right side wall of the support frame (13) through the motor set, the No. 1 pulley (212) is arranged on the output shaft of the bidirectional motor (211) through a key connection, the No. 2 pulley (213) is symmetrically installed on the front and rear sides of the No. 1 pulley (212), and the No. 2 pulley (213) is installed on the right end of the driving shaft (22) through a key connection; the No. 1 pulley (212) and the No. 2 pulley (213) are connected through the annular belt (214).

5. The cab support assembly welding fixture of claim 3, wherein: The steering unit (31) comprises a pressing rod (311), a rectangular groove (312), a cylindrical extrusion rod (313), a cylindrical extrusion protruding section (314), a T-shaped vertical plate (315), an extrusion spring (316), a steering motor (317), a driving gear (318), a driven gear (319), a gear shaft (3110) and a steering disc (3111), wherein the middle part of the moving base (24) on the left side is provided with the rectangular groove (312), the T-shaped vertical plate (315) is slidably arranged in the middle part of the rectangular groove (312), the extrusion spring (316) is arranged between the positions close to the front and rear ends of the T-shaped vertical plate (315) and the top of the rectangular groove (312), the cylindrical extrusion protruding section (314) is fixedly connected to the lower end of the T-shaped vertical plate (315), the cylindrical extrusion rod (313) is attached to the left side of the cylindrical extrusion protruding section (314), the pressing rod (311) is fixedly connected to the middle part of the left side of the cylindrical extrusion rod (313), the pressing rod (311) is fixedly connected to the left side wall of the support frame (13), the steering motor (317) is fixedly installed on the left side wall of the T-shaped vertical plate (315) through the motor base, the driving gear (318) is fixedly installed on the output shaft of the steering motor (317), the driven gear (319) is engaged above the driving gear (318), the driven gear (319) is arranged on the left end of the gear shaft (3110) through a key connection, the gear shaft (3110) is rotatably arranged at the position close to the upper end of the T-shaped vertical plate (315), and the steering disc (3111) is fixedly connected to the right end of the gear shaft (3110).

6. A cab support assembly welding fixture according to claim 5 wherein: An arc-shaped stop groove (3131) is formed in the upper end of the cylindrical extrusion rod (313).

7. The cab support assembly welding fixture of claim 1, wherein: The clamping unit (34) comprises an electric push rod (341), a pushing block (342), a pull rod (343), a linkage rod (344), a rectangular through slot (345), a sliding vertical rod (346), a buffer spring (347) and a clamping plate (348), wherein the middle part of the lower end face of the supporting plate (33) is fixedly installed with the electric push rod (341) through a push rod base, the lower end of the electric push rod (341) is fixedly connected with the pushing block (342), the left and right ends of the pushing block (342) are rotatably installed with the pull rod (343) through a pin shaft, the upper end of the pull rod (343) is rotatably installed in the middle part of the linkage rod (344), the upper end face of the linkage rod (344) is uniformly installed from front to back with the sliding vertical rod (346), the left and right ends of the supporting plate (33) are uniformly provided from front to back with the rectangular through slot (345), the sliding vertical rod (346) is slidably arranged in the rectangular through slot (345), the buffer spring (347) is arranged between the sliding vertical rod (346) and the inner side wall of the rectangular through slot (345), and the upper end of the sliding vertical rod (346) is fixedly connected with the clamping plate (348).

8. A welding fixture for a cab support assembly according to claim 7, characterized in that: The opposite side walls of the clamping plate (348) are arranged with rubber protrusions (3481) in a rectangular array.

9. The cab support assembly welding fixture of claim 5, wherein: The right side wall of the T-shaped vertical plate (315) is provided with a positioning groove (3151) at a position corresponding to the height of the tamping rod (44).

10. The welding fixture for a cab support assembly of claim 3, wherein: The limiting unit (48) comprises a fixed rod (481), an extrusion sliding groove (482), a first spring (483), a limiting plate (484), a cylindrical cavity (485), a second spring (486), a sliding shaft (487), a pulley (488) and a semi-cylindrical limiting block (489), wherein the upper end face of the moving base (24) on the right side is symmetrically provided with the fixed rod (481) at the front and rear ends, the upper end of the fixed rod (481) is provided with the limiting plate (484), the lower end face of the limiting plate (484) is provided with the extrusion sliding groove (482) in the middle part, the fixed rod (481) is slidably arranged in the extrusion sliding groove (482) and the first spring (483) is arranged between the fixed rod (481) and the inner wall of the extrusion sliding groove (482), the opposite side walls of the limiting plate (484) are fixedly provided with the semi-cylindrical limiting block (489), the left end of the limiting plate (484) is provided with the cylindrical cavity (485), the sliding shaft (487) is slidably installed in the cylindrical cavity (485) through the second spring (486), and the left end of the sliding shaft (487) is rotatably provided with the pulley (488).

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