86results about How to "Achieve welding" patented technology

The invention discloses hardware pipe welding equipment with high safety performance in the technical field of hardware pipe welding, which comprises a supporting unit comprising a base positioned at the bottom, two groups of supporting parts symmetrically arranged on two sides above the base, and threaded shafts correspondingly inserted in the center positions of the supporting parts in the vertical direction, the first driving motor is arranged on one side of the lower portion of the base, the workbench is arranged above the base in parallel, and the upper ends of the two sets of supporting components both penetrate through the workbench and extend upwards. A to-be-welded hardware pipe is stably clamped and fixed through the clamping unit, potential safety hazards existing in a hand holding mode are avoided, the safety performance of the device is improved, the clamping range can be correspondingly adjusted according to the use requirement, and the practicability is high. And the device can meet the working requirement for limiting and clamping hardware pipes of different sizes and specifications, the application range of the device is widened, and the use flexibility of the device is remarkably improved.

The invention relates to a pipeline welding device for a thermal power plant. The pipeline welding device comprises a frame body, an inner ring centering mechanism, an outer ring centering mechanism, an inner ring welding mechanism and an outer ring welding mechanism, the inner ring centering mechanism comprises a driving motor, a two-way screw rod, two auxiliary supporting seats, two plugs and a guide assembly; the two auxiliary supporting seats are installed on the frame body, the two-way screw penetrates through the two plugs, the two-way screw is rotationally connected with the auxiliary supporting seats, and the two plugs are connected to the two-way screw in a threaded mode; the driving motor is mounted on one of the auxiliary supporting seats; the inner ring welding mechanism comprises a supporting base, a lifting air cylinder and an inner welding machine. The supporting base is horizontally installed on the two-way screw, the lifting air cylinder is installed on the supporting base, and the internal welding machine is installed on a piston rod of the lifting air cylinder. By means of the inner ring centering mechanism and the outer ring centering mechanism, two pipelines of different sizes and specifications can be centered and fixed conveniently, welding of inner ring butt seams and outer ring butt seams of the pipelines of different sizes and specifications is achieved, and the welding quality of the pipelines is improved.

The invention belongs to the technical field of battery manufacturing, and discloses a battery shell welding method and a battery shell. The battery shell comprises a cover plate and a shell, the cover plate comprises a body and a lap joint convex part, and the lap joint convex part is convexly arranged at the top of the peripheral side of the body; a containing cavity is formed in the shell and provided with an opening, the cover plate blocks the opening, the lap joint protruding part abuts against the top of the shell, and the outer edge of the lap joint protruding part is inwards staggered by a preset distance H relative to the outer edge of the side wall of the shell. And the lap joint convex part and the top of the body are fused and welded. For the cover plate provided with the lap joint convex part, after the outer edge of the lap joint convex part is inwards staggered by the preset distance H relative to the outer edge of the side wall of the shell, the lap joint convex part and the shell can be well welded by adopting a top welding method, so that the advantage of wide welding speed of top welding is reserved, and the advantage of side welding of preventing light from leaking into the battery is also achieved.

The utility model discloses a laser welding device which comprises a wire feeding gun head, a laser welding head, a power supply and a magnetic field module, the power supply, the wire feeding gun head, a welding wire and a workpiece form a direct current loop, a molten pool formed on the workpiece becomes an electrified conductor, and the magnetic field module can generate a magnetic field acting on the molten pool. During welding, current can be guided into a molten pool through a welding wire, molten metal in the molten pool is subjected to upward electromagnetic force through the action of a magnetic field, the electromagnetic force can balance the gravity of the molten metal, the metal steam pressure during welding and the like, the molten metal in the molten pool is prevented from dripping, and the quality of a formed welding seam is improved; besides the conductive function, the welding wire can also be used as filling metal, and under the action of laser energy, the welding wire is continuously melted and fills a molten pool, so that the gap adaptability in the welding process is good, and a formed welding seam is fuller.

The invention relates to the technical field of battery shell laser welding, in particular to square aluminum shell battery pack laser welding equipment which comprises a workbench, a welding mechanism is installed on the workbench, a clamping mechanism for clamping a battery is arranged on the workbench, a pressing mechanism for pressing a battery connecting piece is installed on the clamping mechanism, and a welding mechanism is installed on the workbench. The clamping mechanism is provided with a protection mechanism for protecting two electrode plates of a battery, the pressing mechanism abuts against the protection mechanism, a feeding mechanism is installed on the workbench, and an auxiliary mechanism is installed on the feeding mechanism. Before a battery is placed on the clamping mechanism to be clamped, the pressing mechanism is lifted to facilitate entering of the battery, placed battery connecting pieces correspond to the pressing mechanism, multiple sets of connecting pieces are clamped at the same time after the pressing mechanism is loosened, welding of the connecting pieces by the welding mechanism is not affected while clamping is conducted, and the situation that the welding position is not accurate enough is avoided.

The invention discloses a body-in-white autonomous welding method based on machine vision, relates to the field of automobile manufacturing and body-in-white welding, and solves the problems that the welding quality is influenced due to the fact that an existing welding robot depends on welding conditions, the flexibility is poor, the working efficiency of welding is reduced, the production cycle of a product is prolonged, and finally the production cost is increased. According to the method, the camera is calibrated, and the internal reference and the distortion coefficient of the camera are obtained; after obtaining a vehicle body image, extracting two-dimensional coordinates of centroids of feature points; according to the mass center two-dimensional coordinates and the feature point mass center three-dimensional coordinates of the vehicle body model, the coordinate conversion relation from a vehicle body coordinate system to a camera coordinate system is solved; hand-eye calibration is conducted, and the coordinate conversion relation from a camera coordinate system to a mechanical arm coordinate system is calibrated; the position coordinates of the welding spots are converted into a mechanical arm coordinate system from a vehicle body coordinate system, and a mechanical arm conducts welding. According to the method, the positions of all the welding spots do not need to be recognized, the calculated amount is reduced, and the requirement for hardware is lowered accordingly.

The invention provides a welding system applied to a stainless steel rocket tank cylinder section outer stringer. The welding system comprises an inner supporting component and an outer pressing component. The inner supporting component comprises a circle supporting component which is used for conducting circle supporting on the cylinder section from the interior of the cylinder section. The end face, used for making contact with the cylinder section, of the circle supporting component is a molded face matched with the inner side face of the cylinder section. The external pressing part is used for pressing the stringer to the outer side face of the barrel section from the outside of the barrel section so as to weld the barrel section and the stringer. According to the welding system, stringers can be welded to the outer side faces of the barrel sections, and it can be ensured that the welding positions of the barrel sections or short barrels do not deviate in the whole welding process.

The utility model discloses an auxiliary support for assembling a steel structure net rack on the ground. The auxiliary support comprises a base assembly, a middle column assembly, an inclined column assembly, a lifting device and a lighting device. Wherein the middle column assembly is installed in the center of the base assembly, a welding ball of the steel structure net rack is fixed to one side of the middle column assembly, the inclined column assembly is installed on the other side of the middle column assembly, the top of the inclined column assembly is connected with the middle column assembly, and the bottom of the inclined column assembly is fixed to the edge of the base assembly; the lifting device and the lighting device are both installed on the top of the middle column assembly. The auxiliary support is of a stable triangular structure formed by the middle column assembly, the inclined column assembly and the base assembly, the auxiliary support is flexibly applied to various different construction environments, a support body of the auxiliary support is light and convenient, the occupied site area is small, the auxiliary support can be effectively used in a site with a limited working face, and use of construction machines such as a conventional construction truck crane is reduced.

The utility model relates to a multi-nut one-time welding machine which is provided with a machine frame, a welding power source is arranged in the machine frame, a lower electrode base is arranged on the lower portion of the machine frame, and an upper electrode base is arranged on the upper portion of the machine frame. The lower electrode holder is provided with a lower conductor which is connected and conducted with an electrode of a welding power supply; a plurality of conductive supporting tables are arranged at the top of the lower conductor; a plurality of sets of mutually independent upper electrode assemblies are arranged on the upper electrode seat and the mounting bracket; the upper electrode assembly is provided with a vertically downward conductive voltage column; the upper portion of the conductive pressing column is connected with an upper electric conductor, and a pressing driving element is installed above the upper electric conductor. The upper conductor is connected with a conductive contact, and a conductive driving element is mounted at the top of the conductive contact; and a conductive plate is arranged below the conductive contact. According to the utility model, the plurality of nuts are simultaneously fixed on the sheet metal part by utilizing the conductive pressing columns, then the conductive driving elements act in sequence, and the conductive pressing columns above the plurality of nuts are electrified in sequence by utilizing one welding power supply, so that the welding is realized.

The invention relates to the technical field of welding equipment, and discloses an annular welding device for a pressure vessel barrel, which comprises a base, a first clamping device is arranged at one end of the base, a second clamping device is arranged at the other end of the base, and the first clamping device is connected with the base through a hydraulic turnover table. When the hydraulic overturning table adjusts the first clamping device to be in the horizontal state, the first clamping device corresponds to the second clamping device at the moment, and the first clamping device and the second clamping device jointly clamp a to-be-welded pressure container barrel which is horizontally and transversely arranged, and when the hydraulic overturning table adjusts the first clamping device to be in the vertical state, the first clamping device and the second clamping device are clamped together. At the moment, the first clamping device clamps the vertically-arranged to-be-welded pressure container barrel, and the second clamping devices are connected through a sliding device. Through cooperation of the annular welding mechanism and the dip angle adjusting device, annular welding can be conducted on a fixed flange at any angle on the pressure container, then the defects of existing welding equipment are overcome, and the applicability of the welding equipment is improved.

The invention discloses an automatic fan coil welding machine and a welding method. The automatic fan coil welding machine comprises a base, and the base is provided with an upper mounting plate and a lower mounting plate; a rotating ring is rotationally arranged on the mounting plate; the two rotating rings are hinged to a plurality of clamping units evenly distributed in the axial direction of the rotating rings. The base is provided with two power pieces between the upper mounting plate and the lower mounting plate and is provided with a telescopic table in a horizontal sliding manner, a first tension spring is connected between the telescopic table and the base, and an induction heating piece is arranged on the telescopic table; a driven piece matched with the telescopic table in a wedge shape is arranged on the upper mounting plate in a lifting mode, a first spring is connected between the driven piece and the upper mounting plate, and the driven piece can overcome the elastic force of the first spring to move downwards under extrusion of the clamping unit, so that the telescopic table drives the induction heating piece to move in the direction away from the base; the gap between the flaring and the narrow opening is filled with melted welding flux along the conical arc face of the flaring and the spiral groove under the action of centrifugal force, welding of the copper pipe is achieved, welding is tighter, and the welding strength and the air tightness are better.

The utility model relates to the field of motor shell processing, in particular to welding equipment for motor shell processing, which is characterized in that a mounting part is rotatably arranged on a base through a motor component, a circular supporting seat is mounted on the mounting part, and a welding component and a positioning component are respectively arranged on two sides of the circular supporting seat on the base; a mounting cavity corresponding to the mounting part is adaptively formed in the bottom of the circular supporting seat, a rotating column is rotationally arranged in the circular supporting seat, clamping columns are movably arranged on the two sides of the rotating column, and clamping cavities corresponding to the clamping columns are adaptively formed in the mounting part. According to the motor shell welding device, welding of the motor shell can be achieved through adaptive arrangement of the round supporting base, the welding assembly and the positioning assembly, and fixed installation of the round supporting base can be achieved through mutual clamping arrangement of the installation piece and the installation cavity and matching of locking between the clamping column and the clamping cavity; the assembling mode of the circular supporting seat is simple and convenient, so that the flexibility of the device is improved.

This invention discloses a positioning fixture and welding method for welding landscape bridges, mainly relating to the technical field of welding devices. It includes a first base plate and a second base plate, each with several L-shaped blocks. A first sliding rod is slidably connected to each L-shaped block, and several arc-shaped plates are provided at the ends of the first sliding rods. A first spring is provided between the arc-shaped plates and the L-shaped blocks. It also includes fixing plates symmetrically arranged at both ends of the first base plate and used in conjunction with the second base plate. A first sliding plate and a second sliding plate are slidably connected to the first and second base plates, respectively. The first and second sliding plates are slidably connected, and a first welding torch is mounted on the first sliding plate. Furthermore, it includes a third sliding plate detachably connected to the first sliding plate, and a second welding torch is mounted on the third sliding plate. The beneficial effects of this invention are: solving the problem of low on-site construction efficiency in existing landscape bridge welding, improving the efficiency and quality of landscape bridge welding, and reducing the labor intensity of workers.

The present invention provides a pipe bending welding device for pipe fitting production, and relates to the technical field of pipe fitting welding. It comprises a mounting base, the mounting base is mounted on a processing lathe, the top of the mounting base is slidably connected to a limit plate, the limit plate is used to fix the position of the pipe bending, the mounting base is rotatably connected to two symmetrically arranged placement columns, the placement columns are used to place straight pipes, the top of the mounting base is fixedly connected to a fixing frame, the fixing frame is fixedly connected to a hydraulic cylinder, the hydraulic cylinder is located directly above the placement column on one side, and an auxiliary component is fixedly connected below the hydraulic cylinder. By arranging a clamping component and an auxiliary component, the present invention can not only improve the efficiency of welding when the operator is welding the pipe bending, but also can weld pipe bendings of different diameters, thereby reducing the time for adjusting the equipment.

The invention provides a double-shaft-shoulder friction stir welding device with an adjustable shaft shoulder distance and a friction stir girth welding method of the double-shaft-shoulder friction stir welding device. The device comprises an adjustable double-shaft-shoulder stirring tool (1), a rotating main shaft (3), a withdrawing shaft (4), a clamp (5), a positioning platform (6) and a workbench (7), the adjustable double-shaft-shoulder stirring tool (1) is composed of an upper shaft shoulder, a lower shaft shoulder and an adjustable stirring needle, and the rotating main shaft (3) is adopted for controlling rotation of the adjustable double-shaft-shoulder stirring tool (1); and the withdrawing shaft (4) is adopted to adjust the length of the stirring needle. According to the adjustable stirring device, the adjustable stirring needle can freely stretch out and draw back through the withdrawing shaft (4), so that the distance between the shafts can be controlled, and the adjustable stirring device can adapt to welded workpieces (2) with different plate thicknesses. In addition, the press-in amount of the upper shaft shoulder and the lower shaft shoulder can be adjusted in the welding process, and welding forming is better facilitated. The adjustable double-shaft-shoulder stirring tool (1) is not only suitable for common welding seams, but also suitable for closed circumferential welding seams.

The utility model discloses a welding machine clamp with the angle convenient to adjust, and belongs to the technical field of welding machine clamps, the welding machine clamp comprises a base, a first motor is fixedly installed at the bottom of the base, an output shaft of the first motor extends to the top of the base and is fixedly connected with a rotating seat, and the top surface of the rotating seat is fixedly connected with two supporting frames; a rotating frame is rotationally connected between the two supporting frames. According to the automatic welding device, the first motor is used for driving the rotating frame to rotate horizontally, the second motor is used for driving the rotating frame to rotate vertically, the function of adjusting the welding angle of materials on the supporting disc is achieved, the third motor is used for driving the first bidirectional lead screw to rotate, and the first bidirectional lead screw and the movable base are matched to drive the two clamping mechanisms to move. And therefore, the position of the clamping mechanism is adjusted, and materials with different shapes and sizes can be clamped.

The invention discloses a profile steel full-automatic submerged-arc welding device which comprises two conveying pipes and two welding wires, conveying channels used for feeding welding flux are arranged in the conveying pipes, wire feeding pipes are arranged in the conveying channels, the welding wires are located in the wire feeding pipes, and the conveying pipes are fixedly connected with connecting pipes in a communicating mode. A welding flux box used for storing welding flux is installed at one end of the connecting pipe. According to the full-automatic submerged-arc welding device for the profile steel, the wing plate is placed on the bottom plate, the wave-shaped web plate is placed on the wing plate, the wing plate and the web plate can be pushed to move through external pushing equipment, and the connecting position of the wing plate and the web plate can be welded through the two conveying pipes; the conveying pipe can always directly face the connecting position through the directly facing assembly, so that the welding quality is improved, in the welding process, welding flux is fed into the conveying channel through the welding flux box and the connecting pipe, the welding flux is discharged to the connecting position from the bottom end of the conveying pipe, and the wire feeding pipe is pushed to the connecting position through the external push-in assembly to achieve welding.

The present invention discloses a manifold welding system, comprising a supporting and positioning device and a welding device with a walking mechanism; wherein the supporting and positioning device comprises a first positioner, a second positioner and a plurality of supporting roller frames located between the first positioner and the second positioner, and also comprises a guide rail laid on the ground, and the bottom of the second positioner and each supporting roller frame is provided with a slider that cooperates with the guide rail; the welding device comprises a walking track and a base plate laid on the walking track, and the walking track comprises a linear guide rail laid in a horizontal direction and a rack arranged on the inner side wall of the track; a welding robot and a handling robot are fixed on the base plate; a welding gun and a laser tracker are fixedly connected to the sixth axis of the welding robot, and a robot gripper is fixedly connected to the sixth axis of the handling robot; a material frame positioning component and a secondary positioning device are also provided on the base plate.

The embodiment of the invention provides vertical shaft steel pipe welding equipment. Relates to the technical field of penstock shaft construction. The outer side welding mechanism comprises an outer side rail, an outer side trolley and an outer side welding robot, the outer side trolley is arranged on the outer side rail and slides along the outer side rail, the outer side welding robot is arranged on the outer side trolley, and the outer side welding robot is used for welding an outer side welding seam of the steel pipe; the inner side welding mechanism comprises a telescopic frame, a hoisting frame, an inner side track, an inner side trolley and an inner side welding robot, the inner side track is arranged on the telescopic frame, the hoisting frame is connected with the telescopic frame, the inner side trolley is arranged on the inner side track and slides along the inner side track, and the inner side welding robot is arranged on the inner side trolley and slides along the inner side track. The inner side welding robot is used for welding inner side welding seams of the steel pipes; the hoisting mechanism is connected with the hoisting frame so as to drive the inner side welding mechanism to move in the vertical shaft in the axis direction of the vertical shaft. The equipment is used for achieving the effects of reducing construction risks and relieving the labor intensity of operators.

The utility model discloses an automobile tubular beam side reinforcing plate assembly welding tool which comprises a base, a first rectangular inner groove is formed in the upper end of the base, a first motor is installed on the right side of the base, and a two-way threaded rod is rotationally connected between the inner walls of the left side and the right side of the first rectangular inner groove. And the right end of the two-way threaded rod penetrates through the inner wall of the right side of the first rectangular inner groove and is fixedly connected with an output shaft of the first motor, the two threaded ends of the two-way threaded rod are both in threaded connection with first connecting blocks, and the two first connecting blocks are in sliding connection with the inner wall of the first rectangular inner groove. According to the equipment, aiming at the welding problem, a rotation limiting mechanism is arranged and is matched with a second motor and a connecting rod, limiting and rotation of the two side reinforcing plates can be achieved, workers can rapidly and comprehensively weld the welding position conveniently, meanwhile, a cooling mechanism is arranged, and the cooling rate of the plate welding position is increased.

The foundation ring type fan foundation reinforcing stud comprises a base, a rod portion and an end cap, the base is provided with a first side face and a second side face which are opposite, the rod portion is provided with a first end and a second end which are opposite, the first end of the rod portion is connected with the first side face of the base, and the second end of the rod portion is connected with the end cap. A plurality of protrusions are arranged on the second side face of the base, and a plurality of protrusions are arranged on the periphery of the rod part in the circumferential direction and the axial direction at intervals. The base is welded to the inner wall face or the outer wall face of the fan tower barrel, due to the arrangement of the protruding parts, it can be ensured that the second side face of the base and the inner wall face or the outer wall face of the fan tower barrel are fully welded, it is ensured that weld joints are full, and the constraint effect loss of the foundation ring type fan foundation reinforcing stud on the tower barrel is avoided. A plurality of protrusions are arranged on the periphery of the rod part in the circumferential direction and the axial direction at intervals, the bond stress of concrete and the foundation ring type fan foundation reinforcing stud can be effectively increased, and the coordination work capacity of the structure of the concrete and the stud can be brought into play easily.

The invention discloses an annular steel bar bending and welding platform and an operation method thereof.The annular steel bar bending and welding platform comprises a supporting table, an inner positioning nail, a surrounding pressing mechanism and a locking mechanism, the annular inner positioning nail is arranged on the supporting table, and the surrounding pressing mechanism is installed on the supporting table, annularly walks around the outer side of the inner positioning nail and is used for bending a steel bar along the annular inner positioning nail; the multiple locking mechanisms are arranged on the supporting table at intervals, annularly arranged along the inner sides of the inner positioning nails and used for locking the steel bars on the supporting table. The surrounding pressing mechanism is used for positioning the reinforcing steel bar at the initial position, then the reinforcing steel bar is annularly bent around the annular inner positioning nail to form a ring shape, the locking mechanism is used for locking, automatic annular winding is achieved, after positioning is completed, welding of the lap joint of the reinforcing steel bar is conveniently and rapidly achieved, the welding quality and the manufacturing quality of the annular reinforcing steel bar are improved, and the production efficiency is improved. The size error of the annular steel bar is reduced, electric winding is achieved, time and labor are saved, manual winding is not needed, precision is better, and safety is higher.

This invention discloses an integrated welding and drilling system and method for vehicle roofs. The system includes a control unit, a robot unit, a positioning fixture, a spot welding unit, and a drilling unit. The robot unit includes a robot and a tool changer. The positioning fixture includes a welding positioning clamping mechanism and a drilling positioning mechanism. The spot welding unit includes a spot welding gun fixedly connected to the tool changer. The drilling unit includes an electric spindle gun and a manual drilling gun, located on either side of the spot welding gun. During operation, the system adjusts the positioning fixture to clamp and support different types of roofs. The control unit controls the robot to move the spot welding gun to the welding area for welding. After welding, the tool changer rotates to switch tools for drilling. After the operation is completed, the robot resets. This system integrates welding and drilling functions, enabling automated, high-precision welding and drilling of vehicle roofs, achieving flexible production operations.

The application discloses a kind of multi-station clamping tool for laser welding and its temperature control method, it is related to clamping tool technical field, including: rack, moving mechanism and drive mechanism, the controller is installed in rack side, the controller is used to control clamping tool, the rack bottom is connected with moving mechanism, the moving mechanism is provided with two, one of which is connected with drive mechanism, during welding process, when steel pipe rotates, weld and roller contact, if weld is too thick, it will make roller move upwards, trigger infrared sensor to detect displacement threshold change, to remind operator to handle in time, ensure welding quality;By the second plug, external high temperature and high pressure gas is injected into steel pipe, the heat conduction effect of gas is used to heat and keep warm welding area, prevent weld from low ambient temperature and rapidly cool down, avoid producing fissure, to effectively improve welding efficiency and quality.

The utility model is suitable for annular seam welding technical field provides an adjustable annular seam welding device for pipe fitting, including welding assembly, the side of welding assembly is sequentially provided with first clamping assembly, two groups of auxiliary assembly, second clamping assembly, the top of auxiliary assembly is provided with pipe body subassembly, welding assembly includes third electric slide rail, one side of third electric slide rail is provided with mounting bracket, the bottom of mounting bracket is provided with welding head. The pipe body subassembly includes pipe fitting, one end of pipe fitting is provided with connecting piece, the first clamping assembly includes electric chuck, and the cooperation of welding assembly, first clamping assembly, auxiliary assembly, second clamping assembly can realize the welding of pipe body subassembly, reduces the artificial participation degree, improves the welding quality, and simultaneously through the cooperation of first clamping assembly and second clamping assembly can realize the adjustment of pipe body subassembly position, realizes the annular welding of pipe body subassembly.

The utility model discloses a stacked capacitor welding conveying mechanism which comprises a conveying platform, a pin wheel, a pin wheel driving piece and a pressing plate, a pin at the top of the pin wheel can penetrate through a first receding hole and is inserted into a conveying hole of a lead frame located on the conveying platform, and when the pin wheel driving piece drives the pin wheel to rotate, the pin wheel drives the pressing plate to rotate. The pin wheel can pull the lead frame to move towards the welding station between the pressing plate and the conveying platform. According to the conveying mechanism, the horizontal position and the conveying direction of the lead frame 1 can be limited through the matching mode of the needle and the conveying hole, the vertical position of the lead frame can be limited through the pressing plate, and therefore conveying and welding of the lead frame can be stably and reliably achieved.

This invention relates to an ultrasonic welding machine, comprising a frame, a three-unit lifting module, and an electric cylinder. The three-unit lifting module is movably connected to the frame and is used to move the welding head. The electric cylinder is located at the top of the frame, and its output end is fixedly connected to the three-unit lifting module to drive the lifting module to move up and down relative to the frame. By setting the electric cylinder at the top of the frame and fixing its output end to the three-unit lifting module, the electric cylinder drives the lifting module to move up and down relative to the frame, thereby moving the welding head up and down relative to the frame. In this application, the electric cylinder drive allows for precise adjustment of welding pressure and welding head pressing speed, effectively improving welding quality and stability.

The utility model relates to a stirring rod belongs to the motorized tool connecting technical field, including stirring silk and base, the inside of base is equipped with annular groove, the end of stirring silk inserts the annular groove, and is fixed in annular groove through plastic deformation or welding, the utility model discloses a setting annular groove in the base inside makes stirring silk end insertion through the press bending plastic deformation or welding fixed, realizes the welding or mechanical press bending fixed of stirring silk and base, and the anti -tensile force gets the promotion, eliminates the risk of falling under the high -speed centrifugal.

This invention discloses a welding device for the production of new energy forklifts, including a workbench, a side panel assembly, an elastic fixing assembly, a drive and mounting platform, a pushing and fixing assembly, and a welding execution unit. The workbench has a concave position and a through-hole, with the through-hole located at the concave position. The side panel assembly has a movable execution end, forming a mounting position together with the concave position. The elastic fixing assembly is located on the workbench and adjacent to one end of the concave position. The drive and mounting platform includes a drive mechanism and a mounting frame. The mounting frame can move towards or away from the mounting position under the drive mechanism, engaging with the elastic fixing assembly when it reaches a predetermined position, driving it to press against the back plate. The pushing and fixing assembly is located on the mounting frame, pushing the fork blade to a target position that fits against the back plate and fixing it. The workbench has a fork blade position to accommodate and guide the movement of the fork blade, ensuring that its upper surface fits against the lower surface of the back plate when it reaches the target position. The welding execution unit performs welding actions after reaching the welding position.

The invention belongs to the technical field of metal pipe machining, and particularly relates to a round pipe manufacturing device for a magnetic levitation traffic low-vacuum pipeline. A plurality of cushion blocks are fixed to the top face of a base, the same workbench is fixed to the top faces of the cushion blocks, a plurality of sliding grooves are formed in the center of the workbench, and the sliding grooves are annularly distributed with the center of the workbench as the axis; a mounting plate is fixed to one end of each sliding groove in the bottom face side of the workbench, first hydraulic cylinders are fixed to the mounting plates and penetrate through the mounting plates to fix trapezoidal positioning plates, first mounting grooves are symmetrically formed in the two sides of the top face of the workbench correspondingly, extrusion structures are arranged in the two first mounting grooves correspondingly, and the extrusion structures on the two sides are arranged in a mirror symmetry mode; third mounting grooves are symmetrically formed in the opposite sides of the two first mounting grooves correspondingly, fixing structures are arranged in the two third mounting grooves correspondingly, and the fixing structures on the two sides are arranged in a mirror symmetry mode. The device does not need manual bending by means of tools, time and labor are saved, and the welding position of the two arc-shaped plates is prevented from being broken or broken.