28results about How to "Improve welding process efficiency" patented technology

The utility model discloses assembly welding equipment for a flange connecting pipe of a pressure vessel, which belongs to the technical field of pressure vessel manufacturing equipment and comprises a first workpiece clamping component fixedly arranged on a lathe bed and a second workpiece clamping component arranged on the lathe bed through a moving component, and the second workpiece clamping component can be close to or far away from the first workpiece clamping component. The first workpiece clamping assembly and the second workpiece clamping assembly each comprise a chuck fixing base, and a rotating chuck is installed on one side of each chuck fixing base. Three clamping jaws are arranged on the rotary chuck; the clamping jaws can move in the radial direction of the rotary chuck. The clamping jaw is driven by a first pneumatic motor; the rotary chucks are driven by a second pneumatic motor to rotate, and the center lines of the two rotary chucks are coaxial; the device further comprises a welding mechanism and a ground wire contact block. The welding mechanism is arranged corresponding to a welded junction of the flange and the connecting pipe. The ground wire contact block is arranged on a chuck fixing seat of the first workpiece clamping assembly; according to the utility model, the assembly precision can be improved, the clamping time can be shortened, and the processing efficiency can be improved.

The invention relates to the technical field of laser welding, in particular to automatic laser welding equipment for an aluminum alloy automobile battery shell. Comprising an equipment frame; a bottom plate is fixedly mounted on the equipment frame, and a conveying mechanism and a welding mechanism are arranged on the bottom plate; conveying, feeding and machining of the battery shells and conveying and discharging of the welded battery shells are achieved on the conveying mechanism, so that manual operation is reduced, the production and machining continuity of the battery shells is guaranteed, the two battery shells are welded at the same time, the welding and machining efficiency of the battery shells is improved, and the labor intensity of workers is reduced. The fixed battery shell is driven by the driving part to rotate, the welding assembly is driven by the guiding part to adjust the position left and right, continuous welding is guaranteed, the structure is simple, and the manufacturing and maintaining cost is reduced.

The invention relates to the technical field of welding, in particular to a bicycle handlebar welding device and method.The bicycle handlebar welding device comprises a welding table, a support installed on the welding table, a supporting table installed on the support, a power assembly installed on the welding table, a transmission assembly installed on the power assembly and a linkage assembly installed on the transmission assembly; the power assembly is used for driving a vertical pipe of the bicycle handlebar to move towards the handlebar rod till the vertical pipe is tightly attached to the handlebar rod, and the linkage assembly is used for driving an angle pipe of the bicycle handlebar to move towards the joint of the vertical pipe and the handlebar rod till the two ends of the angle pipe are tightly attached to the handlebar rod and the vertical pipe correspondingly. The transmission assembly is used for transmitting power output by the power assembly to the linkage assembly; the power assembly of the single power source circularly runs, the vertical pipe and the corner pipe are sequentially and automatically controlled to be in place, operation steps are simplified, welding machining efficiency is improved, and meanwhile the running and using cost of equipment is greatly reduced through the single power source.

The utility model relates to the technical field of inflator pump support machining, especially to a welding device for inflator pump support machining. A welding device for inflator pump support machining, including having the placing table etc., the placing table top places the backboard, the backboard top places the mounting frame, still including first positioning assembly, second positioning assembly and welding assembly, the placing table top rear side is provided with the first positioning assembly for positioning backboard, the placing table top is provided with the second positioning assembly for positioning mounting frame. The utility model discloses through positioning assembly, utilizes the clamp plate, the locating plate, the limiting plate and the magnetic block etc. to realize accurate positioning, avoids manual positioning deviation, improves the finished product quality, and simultaneously, with the help of control panel control electric push rod and welding gun automatic welding, need not manual operation, save time and effort, greatly improve the efficiency of inflator pump support welding machining, reduce the manpower cost.

The utility model relates to the technical field of welding devices, in particular to a welding device for machining metal doors and windows. According to the technical scheme, the device comprises a machining table, a reciprocating guide frame, a transverse guide frame, a first sliding seat, a second sliding seat, a first clamping frame and a second clamping frame, the reciprocating guide frame is arranged above the machining table, the transverse guide frame is arranged on the outer wall of the center of the reciprocating guide frame, the first sliding seat is slidably installed on the outer wall of the reciprocating guide frame, and the second sliding seat is slidably installed on the outer wall of the transverse guide frame; a first spring is arranged at the lower end of the first sliding seat, a first clamping frame is arranged at the lower end of the first spring, a second spring is arranged at the lower end of the second sliding seat, and a second clamping frame is arranged at the lower end of the second spring. By means of the first clamping frame and the second clamping frame which are elastically installed, metal doors and windows are elastically pressed and positioned, storage and taking are convenient, the complexity of welding machining is reduced, and the problem that the overall efficiency of welding machining is affected due to the fact that a certain time is occupied when fixing pieces are disassembled and assembled is solved.

The invention relates to a multi-station welding center and method for valve faucet production and machining, and belongs to the technical field of welding equipment. Comprising two welding mechanisms which are arranged side by side, a first electric sliding rail is installed on the inner wall of the bottom of each welding mechanism, a laser welding machine is installed on the top of each first electric sliding rail, a first installation plate is installed on the top of one side of each welding mechanism, and a second installation plate is installed on the top of the other side of each welding mechanism. Double stations are arranged for parallel operation, welding wires are accurately guided through the 35-degree bending frame and the alignment port, and the welding wires are prevented from being damaged by being matched with a flexible wire pressing structure; the wire pressing and air injection linkage design is innovated, protective gas is automatically sprayed during wire pressing, sealing and leakage prevention are achieved during non-working, and the welding defects are reduced through heating wire preheating; a plurality of servo motors and a translation table precisely adjust workpieces, rotation is driven to achieve continuous precise welding of special-shaped welding seams, and the efficiency and quality are improved through full-process automation.

This invention provides a plasma welding device and method for axial flow fan casings. It relates to the technical field of axial flow fan production equipment. The plasma welding device for axial flow fan casings includes a base and a plasma welding assembly. The top of the base is fixedly mounted with horizontally linearly distributed support side plates and a gantry frame. A first steering shaft is rotatably mounted on the support side plates. The first steering shaft has two sets of symmetrical casing fitting mechanisms (one above the other) for fixing the casing to be welded. A steering mechanism is provided on the support side plates, and the steering mechanism is fixedly connected to the first steering shaft. The plasma welding assembly includes an U-shaped bracket, and an L-shaped bracket is fixedly mounted at the bottom of the U-shaped bracket. This invention has the advantages of high automation, high welding efficiency and quality, and strong versatility.

The application relates to the technical field of welding devices, in particular to an automatic welding device suitable for distribution network trenchless construction pipelines, which comprises a fixing frame, a mounting frame, a movable frame and a positioning assembly, and welding assemblies and cleaning assemblies are arranged in the movable frame respectively. The welding assemblies and the cleaning assemblies can be freely transposed in the automatic welding device, the cleaning assemblies in the upper and lower movable frames are used to clean the welding positions of the construction pipelines, the oxidation layer, rust and coating pollutants on the surfaces of the construction pipelines are removed, the welding effect on the surfaces of the construction pipelines is improved, the welding assemblies are used to automatically weld the construction pipelines, the welding processing efficiency of the construction pipelines is remarkably improved, the automatic welding device has a small overall floor area, is very convenient to carry, does not need manual intervention during use, and the welding stability of the construction pipelines is guaranteed.

The application discloses a kind of multi-point automobile accessory welding device, belong to automobile accessory laser welding technical field.This device includes the equipment rack with guide rail, and at least two independently arranged welding modules.Welding module includes the base slide of sliding installation on guide rail, pressing assembly and welding assembly.Pressing assembly is fixed on welding assembly, including pressing drive and the pressing rod of front end with limit ball head in socket, and elastic limit ring is arranged at the opening of socket.Welding assembly is fixed on base slide, including laser welding head with ball head parallel arrangement.It realizes the multi-point synchronous pressing and welding of curved surface automobile accessory such as sheet metal which is easy to produce welding deformation, effectively solves the problem that welding device is difficult to adapt to curved surface change in prior art, pressing and welding position is easy to deviate, significantly improves welding precision and efficiency.

The workpiece positioning mechanism for the welding equipment comprises a supporting plate, a limiting plate, a telescopic piece, an adjusting assembly, a driving assembly, a telescopic piece and a sliding block, when a pipeline is machined, the driving assembly drives installation blocks to move in the opposite direction, the installation blocks move in the opposite direction to drive the telescopic piece to move in the opposite direction, and the sliding block is driven to move in the opposite direction. The installation blocks move oppositely to drive the installation plates to move oppositely, then the position of the limiting plate is adjusted, after the limiting plate is adjusted to the proper position, the installed telescopic piece drives the sliding block at one end to slide, the sliding block slides to drive the limiting plate to rotate, the limiting plate rotates to limit and fix a pipeline needing to be machined, and the stability of the pipeline is improved; and meanwhile, the pipeline welding device can adapt to limiting of pipelines of different sizes, the practicability of the device is improved, the rotating shaft can be driven to rotate through the installed adjusting assembly before welding, then the angle of the pipeline can be adjusted, multiple positions of the pipeline can be welded conveniently, and the welding efficiency is improved.

This invention discloses a long-stroke, narrow-body automatic welding torch and an automatic welding equipment for expansion joint embedded parts, belonging to the field of automatic welding technology. The automatic welding torch includes a long, narrow housing, a drive mechanism, a transmission mechanism, a welding torch execution component, and a position detection component. These components are arranged side-by-side along the width of the housing, achieving a narrow body and long stroke design. Combined with an insulation structure and precise position detection, it ensures operational safety and positioning accuracy. The welding equipment includes a welding device, an automatic feeding mechanism, a discharging component, and a stud feeding mechanism. The welding device is equipped with at least two of the aforementioned automatic welding torches. The feeding, stud feeding, and discharging mechanisms respectively achieve stable transport of the embedded parts by their own weight, isolated lifting of individual studs, and automatic unloading of finished products. This invention achieves fully automated operation, enabling simultaneous stud picking and time-sharing welding with multiple torches. It solves the problems of low efficiency, poor quality, and material jamming / deviation associated with traditional equipment, improving welding efficiency and product consistency, and is suitable for large-scale mass production.

The application provides a copper bar positioning and welding clamp, which comprises a pressing assembly, a feeding assembly and a lifting mechanism, wherein the pressing assembly comprises a pressing plate and the lifting mechanism which is used for lifting the pressing plate up and down; the feeding assembly comprises a profiling plate, a plurality of clamping mechanisms and a longitudinal horizontal moving mechanism, the plurality of clamping mechanisms are connected with the moving end of the longitudinal horizontal moving mechanism through a mounting plate; a plurality of profiling portions are arranged at the right end of the profiling plate; each profiling portion is provided with at least one clamping mechanism corresponding to clamping another part of the copper bar, each clamping mechanism comprises an inner top unit and an outer top unit; the inner top unit is arranged on the profiling plate, and the outer top unit is arranged on the side of the profiling portion which is away from the inner top unit; at least one copper nozzle structure is arranged above each clamping mechanism, and the copper nozzle structure is embedded in the pressing plate and penetrates through the pressing plate. The application can ensure that the combined copper bar is positioned accurately and clamped reliably during welding, and can avoid problems such as welding displacement and interlayer gap, can realize quick replacement of the clamp for various products, and can simultaneously weld multiple products at a time.

The invention relates to the technical field of thread spinner welding, and discloses a thread spinner bracket welding device which comprises a support and a welding frame fixedly connected to the front end of the support, the bottom of the welding frame is provided with a collecting cavity with an opening in the front side, a slag discharging opening is formed in the front wall of the middle of the welding frame, and a slag box is slidably clamped to the front wall of the middle of the welding frame; a slag guide plate is rotationally connected to the inner wall of the middle of the welding frame, a welding cavity penetrating front and back is formed in the top of the welding frame, a welding assembly is arranged on the left side of the welding cavity, and a U-shaped plate is fixedly connected to the inner wall of the rear side of the welding cavity. According to the welding device, after the main bracket and the branch bracket are pre-positioned through the oval pipe and the half supporting pipes, the adjusting assembly is matched to drive the positioning assembly to operate, positioning welding of the bracket can be achieved, welding is reliable and good in quality, welding slag can be guided out and collected during welding, and after welding is completed, the adjusting assembly can control automatic releasing and collecting of the bracket; and therefore, the welding machining efficiency of the bracket is greatly improved, and the cleaning burden of welding slag is reduced.

The utility model relates to ice maker technical field especially ice making cylinder of ice maker, including outer cylinder and coaxial setting inside inner cylinder of outer cylinder, be provided with the front sealing ring and rear sealing ring of interval distribution along the axial between outer cylinder and inner cylinder, the outer edge of front sealing ring front end surface is welded fixed with the inner side wall of outer cylinder front end part, the inner edge of front sealing ring front end surface is welded fixed with the outer side wall of inner cylinder front end part, the outer edge of rear sealing ring rear end surface is welded fixed with the inner side wall of outer cylinder rear end part, the inner edge of rear sealing ring rear end surface is welded fixed with the outer side wall of inner cylinder rear end part. Through welding fixed to four positions, make the welding device can directly from the outside of this ice making cylinder laser welding, need not to reach into the inside of this ice making cylinder welding head, can weld and manufacture to this ice making cylinder, improved the efficiency of welding procedure.

The application discloses an arc welding device for fabricated steel frame machining, and particularly relates to the technical field of arc welding devices, which comprises two H-shaped steel frames one, the inner surface and the outer surface of the front side and the outer surface of the rear side of the H-shaped steel frame two are jointly and slidably installed with a positioning assembly, the outer surface of the positioning assembly is slidably installed with a transmission assembly at the lower side, the outer surface of the left side and the outer surface of the right side of the positioning assembly are fixedly installed with limiting assemblies, and the outer surfaces of the two limiting assemblies are slidably installed with welding assemblies. The arc welding device for fabricated steel frame machining can automatically clamp and fix the plate to be welded at the right-angle position of the H-shaped steel frame through the cooperation of the positioning assembly, the transmission assembly and the limiting assembly, solves the problems that the plate is difficult to be positioned and is prone to displacement in the traditional welding process, and positioning and welding can be completed without the assistance of multiple people, the required labor intensity is effectively reduced, and the welding machining efficiency is improved.

This invention discloses a steel structure processing and welding device and method. The welding device includes a welding mechanism and a clamping mechanism. The welding mechanism is located on one side of the clamping mechanism. The clamping mechanism includes two sets of clamping components and a first driving component. The first driving component is connected to the clamping components and is used to drive the two sets of clamping components to move towards each other. The welding method includes step S1: a loading robot grabs a hollow ball and accurately transports it between the two sets of clamping components to complete the loading of the hollow ball; step S2: the first driving component drives the two sets of clamping components to close towards each other and automatically locks them through a quick-release mechanism to securely clamp the hollow ball. This invention uses a clamping mechanism capable of dual-axis linkage rotation, combined with an avoidance mechanism, to achieve all-round welding of multiple tapered steel pipes outside the hollow ball without secondary positioning of the hollow ball, effectively improving the overall welding processing efficiency.

The application discloses a prefabricated assembly type steel bar truss floor support plate welding construction device and a use method thereof. The device comprises mounting plates, the two mounting plates are symmetrically arranged in parallel, and a plurality of guide plate assemblies are arranged in the middle portions of the mounting plates, the guide plate assemblies are used for transmitting the floor support plate, frame plates are fixedly connected to two side frames, the frame plates are inverted U-shaped, a plurality of adjusting assemblies are arranged below top walls of the frame plates, the adjusting assemblies are correspondingly arranged with the guide plate assemblies, clamping assemblies are symmetrically arranged on both sides of the adjusting assemblies, the clamping assemblies are used for transmitting the truss, and the clamping assemblies comprise control plates, driving machines, rotating columns, mounting belts, limiting blocks, clamping blocks and magnetic blocks, and the two control plates are fixedly connected on both sides of the adjusting assemblies in parallel. The device can effectively limit the truss, can guarantee the movement between the truss and the steel plate, and improves the welding processing efficiency of the prefabricated assembly type steel bar truss floor support plate.

The utility model discloses a motor shell stirring friction welding clamp with a lifting mechanism, which comprises a base, the upper surface of the base is provided with a lifting mechanism capable of lifting a motor shell, and the upper surface of the base is provided with a plurality of large clamps and small clamps which are orderly distributed and used for pressing and fixing the motor shell. And an air blowing pump is arranged on one side of the upper surface of the base, and an air blowing head is arranged on the air blowing pump. According to the motor shell lifting device, the first air cylinder is started to drive the Z-shaped frame to move up and down, so that the Z-shaped frame drives the bracket to move up and down, the motor shell is lifted, manpower is greatly saved, the lifting process is stable, and the phenomenon that the motor shell is collided can be effectively prevented.

The utility model relates to welding equipment technical field discloses a battery box processing is with electric welding machine, including base, the base top fixedly connected with the long board with groove, the base top fixedly connected with long piece, long piece top fixedly connected with the slide rail with groove, two slide blocks are connected in the slide rail inner wall slidingly, two the slide block outer wall all are fixedly connected with fixed block, two the fixed block outer wall fixedly connected with clamping plate, right side the slide block outer wall fixedly connected with electric push rod, the slide rail inner wall fixedly connected with the pivot. In the utility model, the long board with groove and the slide rail with groove provide the slide block with the stable sliding path, effectively avoid the deviation, when the electric push rod drive one side slide block, the pivot in the slide rail inner wall, connecting rod no.

The angle-adjustable welding fixture comprises a welding frame, the welding frame comprises a first metal workpiece and a fixture frame, two limiting nuts are arranged on the front side of the fixture frame, first threaded rods are arranged in the two limiting nuts, a supporting plate is fixedly installed on one side of the fixture frame, and a second threaded rod is arranged on the other side of the fixture frame. A limiting lantern ring is arranged on the upper end face of the supporting plate, a guide groove is formed in the limiting lantern ring, a bolt is arranged in the guide groove, a movable frame is arranged on the outer wall of the limiting lantern ring, a positioning plate is arranged on the rear side of the movable frame, and two hinge seats are arranged on the front side of the positioning plate. And second threaded rods are arranged in the two hinge seats, and clamping plates are arranged at one ends of the second threaded rods, so that multi-angle rotating welding of metal workpieces can be achieved, the metal welding accuracy and fastening performance are improved, and practicability is achieved.

This utility model discloses a laser processing device for frequency doubling chips, relating to the technical field of chip laser processing devices. The device includes a platform, with a platform base integrally formed at the upper end of the platform. A vertical support is provided on one side of the platform base, and the vertical support is an integral structure with the platform. A lifting guide groove is provided inside the vertical support, and a crossbeam plate is movably mounted inside the lifting guide groove. The device also includes a sliding guide groove, located inside the crossbeam plate, with a threaded screw inside the sliding guide groove. A screw slider is movably mounted on the screw, and a laser welding machine is located below the screw slider. This invention solves the problem that existing laser welding devices, while using a sliding clamping mechanism to facilitate the fixing and welding of chips of different sizes, only allow welding of one side of the chip's pins during the welding process due to the chip being fixed, thus affecting the efficiency of chip laser welding.

The present invention provides a welding device for GNSS equipment protection fence rods, which relates to the technical field of welding devices. The welding device body includes a base, a welding assembly and a positioning and pushing mechanism. The rear end of the base is integrally formed with a back plate, and the surface of the back plate is integrally formed with a welding assembly. The surface of the welding assembly is sleeved with a transfer channel, and the end of the transfer channel is screwed with a motor, and a lead screw is inserted into the output end of the motor. A vertical rod insertion hole is provided at the bottom of the surface of the back plate, and a horizontal rod positioning groove is provided on the surface of the base. A vertical rod positioning column is welded at the edge of the surface of the base. The welding device for GNSS equipment protection fence rods can quickly position and push the spacing between each vertical rod, and reduce damage to the vertical rods that have been welded during the pushing process. It can quickly switch the welding straight line area of ​​the welding joint, and the accuracy of the welding straight line positioning is higher, and the protection effect of the welding joint is enhanced.

The utility model relates to the technical field of transformer copper strip processing devices, in particular to a transformer copper strip processing device which comprises a processing plate installed on an external working table, a plurality of placing grooves used for placing transformers are formed in the processing plate, and a clamping mechanism is installed on the processing plate. And the clamping mechanism comprises a first clamping block and a second clamping block which are used for clamping the transformer, and an electric push rod for driving the first clamping block to move towards the second clamping block for clamping. In order to solve the problems of low processing efficiency and poor welding effect caused by the fact that the welding end of the copper strip is abutted with the help of a tool by one hand and then is matched with a welding gun for welding, firstly, the welding processing efficiency of the copper strip on the surface of the transformer is greatly improved, and the problem of poor welding quality of the copper strip during welding can be avoided by a stable abutting mode; and the product qualification rate is improved.

The present invention relates to an upper control rod bracket assembly welding tool, comprising a base, a support sleeve installed on the base, a support column inserted in the support sleeve, a mounting plate installed on the top of the support column and a first positioning core assembly arranged on the mounting plate, a second positioning core assembly is arranged above the first positioning core assembly, the second positioning core assembly is connected to a lifting control mechanism, and a push rod assembly is arranged on one side of the first positioning core assembly. When the tool is used, the lifting control mechanism controls the left and right upper control rod brackets to move downward, the ends of the left and right upper control rod brackets correspond to the positioning grooves, the positioning grooves position the left and right upper control rod brackets, the first push rod and the second push rod of the push rod assembly respectively position the left and right reinforcing plates, the positioned left and right reinforcing plates can be precisely docked with the left and right upper control rod brackets, and welding can be performed at the docking position, the tool realizes the precise docking of the left and right upper control rod brackets with the left and right reinforcing plates, is easy to operate, and improves the overall welding processing efficiency.

The present application belongs to the technical field of automobile accessory processing equipment, and particularly relates to an engine cover welding positioning device, which comprises a base, a movable sliding seat is arranged in the base, a rotatable adjusting support is arranged above the movable sliding seat, a rotary adjusting mechanism is arranged on the support, an object carrier shaped like an isosceles triangle is arranged at the output end of the rotary adjusting mechanism, a splicing moving assembly is arranged above the object carrier, a splicing adjusting assembly is arranged at the output end of the splicing moving assembly, a carrier plate is arranged at the output end of the splicing adjusting assembly, a pressure cylinder is arranged outside the carrier plate, an extension pressure mechanism is arranged above the carrier plate on one side, and a linkage driving mechanism is arranged at the geometric center of the object carrier. The present application can replace manual work to complete the pre-splicing of workpieces, can adjust the splicing position of the workpieces in real time, can improve the accuracy of the splicing of the workpieces, can guarantee the forming quality of the workpieces, can improve the work progress, and can meet the use requirements.

The invention discloses a switching machining device and welding equipment, and relates to the field of valve machining. The switching machining device comprises a switching component, a first moving component and a second moving component, and the switching component is provided with a fixed end and a switching end. By means of sliding of a plurality of limiting clamping jaws in the clamping mechanism, welding products of different structure types are clamped in a matched mode, the clamping universality in the machining stage is improved, and the cost of the welding machining device is reduced advantageously; the first moving part or the second moving part is switched to move to the welding station through the switching end of the switching part, so that a welding product clamped by the first moving part or the second moving part enters the welding station to be welded, the machining procedure is optimized, the overall operation time is shortened, and the welding machining efficiency is improved; according to the switching machining device provided by the embodiment, the switching process is automatically operated, the manual participation process is reduced, the clamping mechanism stably clamps the welded product, the sharing adaptability is good, and the welding machining effect can be improved in an auxiliary mode.

The utility model discloses a welding device for lithium battery shell processing, include: electric lift mobile welding torch, the utility model discloses, be equipped with driving motor, screw rod, support seat, side plate and rotating electrical machine, driving motor control screw rod rotation, under the meshing connection between bidirectional thread screw rod and support seat, can move towards each other with the relative support seat and be convenient for adaptation battery shell size and make each battery shell board butt joint, directly insert battery shell board between the interval groove between support seat and side plate, the side between four battery shell board abuts each other, then electric lift mobile welding torch can carry out welding processing, rotating electrical machine drive control rotator block drive support seat rotation, and electric lift mobile welding torch can carry out welding processing to each battery shell board splicing place, this step, quick installation positioning welding, convenient dismounting, and welding processing efficiency is higher.

The utility model discloses a safety type laser welding device. The safety type laser welding device is characterized in that a machine table is provided with a disassembly and assembly station and a welding station; the clamping assembly comprises a positioning seat, an overturning seat, a clamping claw and a rotary driving module, the rotary driving module is connected to the overturning seat, the clamping claw is connected to the rotary driving module, the overturning seat is provided with an overturning shaft and a sliding shaft, the positioning seat is provided with an overturning groove and a sliding groove, the turning position of the overturning groove is located in the circle center of the sliding groove, and the overturning shaft is arranged in the overturning groove in a penetrating mode; the sliding shaft is arranged in the sliding groove in a penetrating mode, the two opposite ends of the sliding groove are connected with a first positioning groove and a second positioning groove respectively, the sliding groove is further connected with a containing groove, an elastic piece and a locking block are arranged in the containing groove, and the locking block is provided with a guide face. And the welding assembly is arranged at the welding station, and the welding assembly comprises a three-axis positioning mechanism and a laser welding head. Welding of complex tracks can be achieved through one-time clamping, welding machining is flexible, dismounting and mounting safety performance is high, turnover action is smooth, and the space utilization rate is high.