129results 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 radiator machining, in particular to an aluminum metal radiator machining device and a machining process thereof. The aluminum metal radiator machining device comprises a bottom frame, an adjusting mechanism is arranged on the surface of the bottom frame and comprises a first guide rail, and the first guide rail is fixedly connected to the surface of the bottom frame; the surface of the first guide rail is slidably connected with a first sliding block, the surface of the first sliding block is fixedly connected with a moving table, the surface of the bottom frame is fixedly connected with a fixing plate, and the surface of the fixing plate is fixedly connected with a first motor. According to the cooling fin welding device, cooling fins can be arranged on the placing plate in advance in the welding process, then the cooling fins are clamped and positioned through the adjusting mechanism and the clamping mechanism, the positioning efficiency of the cooling fins is improved, the welding machining time of the cooling fins is greatly shortened, and the welding machining efficiency of the cooling fins is improved; therefore, the machining efficiency of the aluminum metal radiator is improved, and the production yield of the aluminum metal radiator is guaranteed.

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 discloses a metal plate welding device with a positioning butt joint structure, which is applied to the technical field of metal plate welding, and is characterized in that a positioning butt joint mechanism and a positioning assembly are respectively arranged on the front side and the rear side of the top of a processing table, are positioned on the outer side of a body, and are electrically connected with an automatic controller; according to the metal plate butt-joint positioning device, the metal plate bodies can be accurately positioned according to preset parameters so as to ensure that the follow-up positions of the plates in the horizontal direction are accurate, through the design, the butt-joint accuracy of the metal plate bodies can be improved, a good foundation is provided for follow-up welding work, meanwhile, manual intervention is reduced through automation, the working efficiency is improved, and the labor intensity of workers is lowered. The limiting assemblies are arranged on the front side and the rear side of the top of the machining table, so that it is guaranteed that the inner sides of the metal plate bodies on the front side and the rear side are located at the equidistant positions in the positioning assemblies, and when the metal plate bodies are moved subsequently, the limiting assemblies retract to guarantee movement of the metal plate bodies.

The invention relates to the technical field of steel structure welding, in particular to a heavy-load workshop box-shaped steel structure welding structure and method.The heavy-load workshop box-shaped steel structure welding structure comprises a base, four mounting grooves are circumferentially formed in the upper surface of a table body, first threaded rods are horizontally and rotatably mounted in the mounting grooves, and the first threaded rods are sleeved with sliding blocks in a threaded mode; a clamping opening is horizontally formed in the surface of the sliding block. And a second threaded rod is rotatably installed on the surface of the sliding block, the second threaded rod is sleeved with the sliding block in a threaded mode, one ends of the two inserting rods are fixedly connected with the surface of the sliding block, and clamping plates are fixedly installed at the ends, away from the sliding block, of the two inserting rods. Butt joint and fixing of a plurality of steel structure plates with different thicknesses can be rapidly completed, practicability is improved, meanwhile, the tedious steps of fixing the plates and removing the fixed plates do not need to be repeated, different gaps can be changed to correspond to the positions of a welding mechanism, and the box type steel structure welding machining efficiency is improved.

The present invention discloses a laser welding device for a sensor housing, including a base, a column, and a welding mechanism; the outer side of the column is rotatably connected to a rotary table, the inner side of the U-shaped frame is rotatably connected to a rotating frame, a receiving platform is movably arranged above the base, and a first motor is installed on the rotating frame; a driving member is arranged on the frame, and a guide member and a connecting member are arranged on the outer side of the side extension shaft; a transmission member is arranged on the sleeve. In the present invention, firstly, after the shell parts are welded, the receiving platform first slides away from the mounting frame and rotates upward with the receiving platform, which is convenient for the staff to replace the sensor shell while ensuring the safety of the shell; secondly, the two shell parts can be docked only by controlling the horizontal movement of the sleeve, and after the welding process is completed, the shell parts are automatically separated from one of the mounting mechanisms, which is conducive to simplifying the operating procedures and improving the welding efficiency of the sensor shell.

A butt joint support for welding machining of steel sheet piles comprises a base, a fixed supporting sleeve, a limiting supporting rod, a driving gear disc, a rotating disc, a containing plate, a fixed pressing plate and a positioning supporting rod, annular plates are arranged on the two sides of the fixed supporting sleeve, the rotating disc is attached to the inner sides of the annular plates, the rotating disc is provided with a limiting sliding groove, and the annular plates are provided with a plurality of supporting rod penetrating holes; the limiting supporting rods penetrate through the supporting rod penetrating holes, the inner ends of the limiting supporting rods are connected with the limiting sliding grooves, the outer ends of the limiting supporting rods are connected with an annular plate, the lower portion of the annular plate is provided with a fixed vertical plate, the lower portion of the fixed vertical plate is connected with a base, and the lower portion of the base is connected with a fixed supporting block. The driven gear disc is meshed with the driving gear disc and connected with the driving gear disc, supporting protruding sleeves are arranged on the two sides of the driving gear disc, fixing vertical plates are attached to the outer sides of the supporting protruding sleeves, the fixing vertical plates are connected with a motor, and the motor is connected with a driving connecting rod.

The utility model discloses a circuit board batch welding device which comprises a positioning base, a plurality of circuit board positioning grooves are formed in the positioning base, a first conveying belt is arranged at the first end of each circuit board positioning groove, and a second conveying belt is arranged at the second end of each circuit board positioning groove. A lifting limiting piece is arranged at the second end of the circuit board positioning groove, a lifting positioning device is arranged above the top of the circuit board positioning groove, the lifting positioning device comprises a positioning part used for pressing the circuit board downwards, and an avoiding area is arranged at the position, corresponding to the welding position of the circuit board, of the positioning part; a movable welding device is arranged on one side of the circuit board positioning groove; a pushing device is arranged on the positioning base corresponding to the first end of the circuit board positioning groove; according to the utility model, stable multi-degree-of-freedom positioning can be carried out on a plurality of circuit boards at one time, and the plurality of circuit boards can be welded at the same time at one time, so that the circuit boards can be welded quickly and efficiently.

The invention discloses welding equipment for impeller machining for fan accessory machining, and relates to the technical field of fan impeller welding production.The welding equipment comprises a rotating frame, an adjusting seat and an impeller set, a containing disc is rotationally arranged on the top face of the rotating frame, and the impeller set is installed on the top face of the containing disc; an alignment frame for positioning and fixing the impeller group is arranged on the placing disc, the impeller group comprises an impeller side plate which is positioned and mounted on the top surface of the rotating frame, and blades are positioned and inserted on the impeller side plate. The method overcomes the defects in the prior art, can adapt to welding operation of blades in impellers of different models, provides a double-face welding mode according to the welding mode, improves the welding treatment efficiency, and has high social use value and application prospects.

The invention relates to the technical field of hardware product welding equipment, and particularly discloses gantry welding equipment adaptive to hardware product machining, the gantry welding equipment comprises a fixed frame, movable frames are slidably arranged on the left side and the right side of the interior of the fixed frame, and connecting frames are fixedly arranged on one sides of the two movable frames. The structural design of the fixed frame and the movable frame is adopted, and a linkage system of the electric sliding table and the lifting frame is matched, so that the height of parts is adjustable, the welding requirements of hardware products of different sizes and shapes are easily met, and the problem that the application range of products is limited due to the single height of fixed welding equipment in the prior art is effectively solved; compared with the prior art, the device has the advantages that the universality and flexibility of the device are improved, meanwhile, the welding machining efficiency of hardware products is improved, the production process is optimized, meanwhile, the remarkable environment friendliness and operation convenience are achieved, and the device has important significance in promoting production automation of the hardware manufacturing industry and improving the machining precision and the environment protection efficiency.

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 discloses a processing device for busbar welding, which relates to the technical field of busbar welding and comprises a base and a clamp arranged on the base, the clamp comprises a fixed support table and two movable support tables which are arranged on the base, the two movable support tables are respectively arranged on two sides of the fixed support table, and the two movable support tables are respectively arranged on two sides of the fixed support table. The two movable supporting tables can move close to each other or move away from each other. The clamp provided by the utility model not only can clamp and limit the end to be processed, the leading-in block and the leading-out block of the main body consisting of the flat wire and the terminal which are in an abutting state so as to facilitate welding processing, but also can form a processing gap after welding is completed, and provides an operation space for the work of a cutting knife by utilizing the existence of the processing gap, so that the working efficiency of the cutting knife is improved. According to the welding tool, the lead-in block and the lead-out block are cut through the cutting knife, welding and cutting work can be achieved without additionally arranging an additional cutting tool, use is convenient and fast, and the welding machining efficiency is improved.

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 present invention discloses a novel guide rail positioning welding workbench, and the present invention relates to the field of welding workbenches. The novel guide rail positioning welding workbench described in the present invention comprises a workbench body, a guide rail arranged on the upper surface of the workbench body, a slider symmetrically slidably connected to both ends of the guide rail, a first motor fixedly connected to the side of the workbench body, a bidirectional screw rod fixedly connected to the output shaft of the first motor, an L-shaped plate fixedly connected above the slider, and a welding assembly arranged on the back of the workbench body, wherein the bidirectional screw rod is connected to the two sliders by threads, and the surface of the L-shaped plate is provided with a clamping mechanism for clamping conical pipe fittings, square pipe fittings and circular pipe fittings; according to actual use requirements, when replacing different types of pipe fittings for welding processing, the present invention does not need to stop the equipment, and can quickly switch different types of pipe fittings for welding, thereby improving the overall welding processing efficiency.

The invention provides a welding device for a GNSS equipment protection fence rod piece, and relates to the technical field of welding devices.The welding device body comprises a base, a welding assembly and a positioning pushing mechanism, a back plate is integrally formed at the rear end of the base, the welding assembly is integrally formed on the surface of the back plate, and the surface of the welding assembly is sleeved with a transfer channel; a motor is in threaded connection with the tail end of the transfer channel, a lead screw is inserted into the output end of the motor, a vertical rod insertion hole is formed in the bottom of the surface of the back plate, a transverse rod positioning groove is formed in the surface of the base, and vertical rod positioning columns are welded to the edge of the surface of the base. According to the welding device for the GNSS equipment protection fence rod piece, the distance between every two vertical rods can be rapidly positioned and pushed, damage to the welded vertical rods in the pushing process is reduced, a welding straight line area of a welding head can be rapidly switched, the welding straight line positioning accuracy is higher, and the welding efficiency is improved. And the protection effect on the welding head is enhanced.

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.

The utility model relates to the technical field of welding equipment, in particular to automobile fuel tank efficient welding equipment which comprises a welding table and a clamping plate and further comprises a lifting assembly, the lifting assembly comprises a fixing base, a fixing frame, a lifting block, a connecting frame, a driving motor, a screw rod and a connecting component, and the fixing base is connected with the welding table through the connecting component. The fixing frame is fixedly connected with the fixing base, the lifting block is slidably connected with the fixing frame, the connecting frame is fixedly connected with the lifting block and the welding table, the driving motor is fixedly connected with the fixing base, the screw is connected with the output end of the driving motor and is in threaded connection with the lifting block, and the connecting component is arranged on the welding table and is connected with the fixing base. The welding table on the connecting frame is driven by the lifting block to move up and down for adjustment, so that the welding table can be adjusted to a proper position for fixation according to the height of an operator, the welding comfort of the operator is improved, the welding speed of the operator is increased, and the welding processing efficiency of the operator is improved.

The invention discloses a machining table comprising a clamping device for precision mold welding, and relates to the technical field of precision mold welding machining, the machining table comprises a double-face clamping mechanism, the double-face clamping mechanism comprises a shell, two end covers, a clamping assembly and an adjusting assembly, the two end covers are fixedly installed at the two ends of the shell respectively, and the clamping assembly is fixedly installed on the shell; the clamping assembly and the adjusting assembly are both installed in the shell, a plurality of clamping jaws are installed on the two faces of the clamping assembly, the clamping assembly can drive the multiple clamping jaws to synchronously move in the radial direction, the adjusting assembly comprises an adjusting rod, the two ends of the adjusting rod penetrate through the two end covers respectively, and one end of the adjusting rod moves so that the clamping jaws can penetrate through the end covers at the same end in a penetrating mode. The feeding mechanism can convey the precision mold to the middle of the end cover, and the discharging mechanism can collect and discharge the machined precision mold. Through the structural arrangement, the feeding and discharging actions are greatly simplified, the feeding and discharging time is shortened, and the welding machining efficiency of the precision mold is improved.

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 utility model discloses a welding station for assembly line processing in the field of assembly line welding stations, which comprises a bottom plate, a welding robot and a replacement mechanism, the welding robot is fixedly connected to the middle of the left side and the right side of the top of the bottom plate, and the replacement mechanism is fixedly connected to the middle of the top of the bottom plate. According to the welding station for assembly line machining, firstly, workpieces are placed on the clamping mechanism, the workpieces on the left side and the right side are welded through the welding robot, after welding is finished, a fixing rod is pulled, a pressing plate ascends, a reset spring is extruded, meanwhile, the fixing rod retreats from the interior of a fixing hole in the front portion, and a rotating frame deflects by 90 degrees; according to the automatic welding device, the unwelded workpieces are switched to the welding robot, the welded workpieces are disassembled while welding is conducted, and new workpieces are installed, so that the workpiece replacement time is greatly shortened, the workpiece welding machining efficiency is improved, and the practicability of the device is improved.

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 welding devices, in particular to a welding device for a constant-pressure water replenishing vacuum degasser component, which comprises a base with a hollow structure and a welding head, the upper surface of the base is fixedly connected with a processing cover and a positioning sleeve, and two rotating shafts and a gear ring are rotatably mounted on the base; wherein one rotating shaft is fixedly connected with a rotating gear, the rotating gear is connected with the gear ring in a meshed mode, and an extrusion assembly is arranged on the machining cover. Two sliding assemblies are arranged on the base, each sliding assembly comprises a moving plate connected with the base through a first spring, and the moving plates are connected with the corresponding rotating shafts through first pull ropes. According to the welding device, the dislocation phenomenon can be effectively avoided, after a workpiece is welded, large deviation of the welding position can be effectively avoided, the welding quality of the assembly is good, and welding treatment of the constant-pressure water supplementing vacuum degasser assembly is facilitated.

The utility model discloses a metal plate welding device which comprises a supporting bottom plate, a fixed supporting frame is arranged on the upper portion of the supporting bottom plate, a rectangular long-strip-shaped hole is formed in the top of the fixed supporting frame, a first sliding base is installed on the top of the fixed supporting frame in a sliding mode in the transverse direction, and a first lifting device is arranged on the top of the first sliding base. One end of the first lifting device penetrates through the first sliding base and the rectangular long-strip-shaped hole to be provided with an upper welding head, and the upper portion of the supporting bottom plate below the fixed supporting frame is slidably connected with a second sliding base in the transverse direction. The utility model has the beneficial effects that the other side is welded without integrally turning over after one side is welded, so that the welding processing efficiency and the welding quality are improved, and the labor intensity of workers is reduced; and the matching angle between the to-be-welded metal plates can be adjusted, the welding quality is further improved, meanwhile, the device can be suitable for welding the metal plates of different sizes, and the device is suitable for popularization and application.

The utility model discloses a positioning jig for batch welding of circuit boards, which comprises a positioning base, a plurality of circuit board positioning grooves are arranged on the positioning base, a first end of each circuit board positioning groove is provided with a guide horn mouth, and a second end, opposite to the first end, of each circuit board positioning groove is provided with a lifting limiting piece; an adsorption device is arranged on the groove bottom surface of the circuit board positioning groove, a lifting positioning device is arranged above the top of the circuit board positioning groove, the lifting positioning device comprises at least one positioning part used for pressing a circuit board downwards, and an avoiding area is arranged on the positioning part corresponding to the welding position of the circuit board; the multi-degree-of-freedom positioning device can perform stable multi-degree-of-freedom positioning on a plurality of circuit boards at one time, and meanwhile, reserves enough welding space for subsequent welding operation, so that the circuit boards can be quickly and efficiently welded.

The invention discloses a deaerator shell welding device, and relates to the technical field of deaerator welding, the deaerator shell welding device comprises a bearing plate, the middle part of the bearing plate is provided with a through hole for a deaeration tower head to pass through, and the lower side of the bearing plate is rotatably connected with a rotating ring; the first clamping assemblies are installed on the two sides of the bearing plate and used for being clamped on the deoxygenated water tank. The second clamping assembly is installed on the upper end face of the bearing plate and used for fixing the deoxidizing tower head and the deoxidizing water tank in a butt joint mode; the driving assembly is mounted on the bearing plate and used for driving the rotating ring to rotate; through cooperation of the driving assembly, the position guiding assembly and the welding assembly, rotation of a rotating ring is matched with telescopic movement of a telescopic rod, automatic tracking welding of a special welding track of the deaerator can be achieved, compared with a manual welding mode, the welding quality and efficiency are improved, and the welding device is simple and compact in structure and low in production cost.