92results about How to "Easy to weld" patented technology

A kind of 1000MPa grade pressure steel pipe welding is opened slope device, including chuck fixed component, rotating assembly, angle adjusting assembly and polishing device, wherein: rotating assembly is arranged on chuck fixed component, angle adjusting assembly for adjusting cutting angle is arranged in the inside of rotating assembly, polishing device is arranged in angle adjusting assembly execution end.The chuck fixed component can be fixed concentrically in the circumferential direction of steel pipe by being set, and the cutting assembly can be driven to rotate in the circumferential direction of steel pipe by being set rotating assembly, and then the purpose of opening slope is achieved, so that the opening slope method will make the opening slope surface smooth and neat, not convenient for welding, and the device body is relatively small, easy to carry.And by setting angle adjusting assembly, the angle of opening slope can be adjusted, and the opening slope effect is enhanced.

This utility model provides an auxiliary device for welding automotive parts, belonging to the field of welding auxiliary devices; it includes: a support base, two sets of transport structures mounted on the upper wall of the support base, angle adjustment structures mounted on the upper walls of the two sets of transport structures, material fixing structures mounted on the upper walls of the two sets of angle adjustment structures, and two sets of angle fixing structures mounted on the upper walls of the transport structures; the two sets of transport structures include: a transport screw, a transport guide rod, and a transport platform; the transport screw is mounted on the upper wall of the support base through a support frame, and the transport screw and the support frame are connected by bearings; this utility model, through the angle adjustment structure and fixing structure, can assist in welding two iron automotive flat parts, allowing two iron automotive flat parts with an included angle of less than 180 degrees to be fixed at the designed angle, facilitating the operator to weld the joint of the two parts, thereby improving welding efficiency.

This utility model discloses a conical installation device for a cartridge filter in an air conditioning unit. The device comprises a top disc, hexagonal bolts, diagonal support rods, fixing rods (in three lengths), internal hexagonal screws, flat washers, and spring washers. This utility model uses a specialized tooling mold for positioning. The diagonal support rods, composed of three round steel pipes arranged in an isosceles triangle and welded into a conical structure, are finished with hexagonal bolts at the ends and secured with a handle locking device. The filter cartridge can be disassembled and assembled without any special tools. This solves the problems of deformation and air leakage caused by insufficient installation strength in cartridge filters, while also shortening installation and disassembly time, ensuring the air conditioning unit can be put into use quickly. It is particularly suitable for air conditioning systems in cigarette factories, welding workshops, and other similar fields.

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

The invention relates to an electrode foil process strip feeding device which comprises a rack, a bearing table used for bearing a process strip placing frame is transversely arranged on the rack, and a charging basket feeding mechanism used for feeding the process strip placing frame into the bearing table is arranged on one side of the bearing table. A pushing mechanism used for driving the process bar placing frame to move transversely is arranged in the bearing table, a pair of jacking fork rods used for jacking process bars in the process bar placing frame upwards is arranged on the front portion and the rear portion of the bearing table, and a turnover mechanism used for bearing the process bars and turning the process bars from the vertical state to the horizontal state is longitudinally arranged above the bearing table in a crossing mode. A feeding table used for bearing the overturned process strips is arranged on one side of the overturning mechanism, and a charging basket recycling mechanism used for taking the empty process strip placing frames back from the bearing table is arranged on the other side of the bearing table. By means of the device, feeding of the process strips, overturning feeding of the process strip placing frame and recycling of empty frames after material taking can be achieved.

This utility model discloses a steel pipe splicing and welding support device, belonging to the field of steel pipe support technology. It solves the problem that if two steel pipes cannot achieve the same horizontal height and coaxial alignment, the final welded steel pipes will lack good consistency, leading to incompatibility in final applications. The device includes a fixed base, sliding blocks located on both sides of the fixed base that can move towards or away from each other, a clamping assembly rotatably mounted on the fixed base, and a limiting assembly fixedly connected to the sliding blocks. In operation, the two steel pipes are first inserted into the clamping assembly to achieve coaxiality and the same horizontal height. Then, the side cylinder and the limiting assembly are brought closer together. The side cylinder adjusts its height so that the steel pipe passes through the limiting space and is tangent to the inclined rod. The drive cylinder moves the intermediate plate and the side limiting rod downwards, adjusting the radius of the inscribed circle in the limiting space to restrict the steel pipe. The drive motor rotates forward, the side cylinder rises, and the end faces of the two steel pipes are aligned, facilitating welding.

This utility model discloses a welding positioning fixture and welding equipment. The support frame is equipped with a tilting table. The positioning assembly includes positioning columns and side pressure members. Multiple positioning columns are arranged on the tilting table and form positioning cavities for positioning the main component. The side pressure members include a first cylinder on the tilting table and a pressure plate at the output end of the first cylinder. One end of the pressure plate near the positioning cavity forms a downward pressing slope for abutting an auxiliary component and matching its structure. This welding positioning fixture can use only the first cylinder to drive the pressure plate, utilizing its downward pressing slope to position the auxiliary and main components laterally and vertically. The structure is simpler, ensuring the stability of the auxiliary and main components when the tilting table rotates at large angles, and facilitating coordinated welding with the welding equipment.

The application discloses a sheet type radiator and a welding method. The sheet type radiator comprises a collecting pipe, radiating fins and a spoiler. The spoiler is welded on both sides of the radiating fin, and the length of the spoiler is equal to that of the radiating fin. The radiating fin is slidably connected with the collecting pipe through tile pipes, and the adjacent two tile pipes are clamped. The welding method is as follows: the two ends of the radiating fin are welded with the tile pipes respectively, the spoiler is welded with the radiating fin, and the two tile pipes on the outermost side are welded with the collecting pipe after the tile pipes are installed on the collecting pipe. Only one spoiler is welded on one side of each radiating fin, and the two ends of the spoiler are welded with the radiating fin. The welding area is small, the welding cost is reduced, the production efficiency is improved, the spoiler is welded with the radiating fin first, then the radiating fin is connected with the collecting pipe, the interval between the adjacent two radiating fins is not limited, the welding is convenient, the firmness of the welding mark can be easily detected, and the overall quality of the sheet type radiator is effectively improved.

This utility model discloses a lithium battery tab welding device, including a frame. An electric push rod is mounted on top of the frame, and a connecting block is mounted on the output end of the electric push rod. A transmission inclined surface is formed on the lower surface of the connecting block. A bearing seat is mounted on the right side of the connecting block, and a rotating plate is movably mounted below the bearing seat. A laser light is mounted below the rotating plate, and a first return spring is mounted on the right side of the rotating plate. A transmission plate is fixedly mounted on the left side of the rotating plate, and a transmission wheel is movably mounted on the left side of the transmission plate. A controller is mounted on the left side of the frame. This utility model improves the efficiency of manual positioning by using a laser light positioned on the same vertical line as the welding head to locate the lithium battery tab to be welded, thereby ensuring welding accuracy and improving welding efficiency and precision.

This utility model discloses a disposable electronic atomizer that is easy to assemble, comprising an oil tank shell, an oil compartment shell on one side, and a power supply shell on the other side. A mouthpiece is located in the middle of the oil compartment shell, and an atomizing chamber assembly is mounted at the bottom of the oil compartment shell. The atomizing chamber assembly includes an atomizing chamber base and electrodes. A sealing silicone seat is mounted at the bottom of the atomizing chamber base, and a PCB board is mounted at the bottom of the sealing silicone seat. A microphone is mounted on the PCB board. A power supply is installed between the power supply shell and one side of the sealing silicone seat. One wire of the PCB board passes through the sealing silicone seat and is electrically connected to the electrode of the atomizing chamber assembly; another wire of the PCB board passes through the sealing silicone seat and is electrically connected to the power supply. A bottom shell is fitted onto the bottom of the oil tank shell. This disposable electronic atomizer is easy to assemble, facilitating the soldering of the PCB board wires and preventing cold solder joints or missing solder joints, thus simplifying assembly and increasing assembly efficiency.

The utility model discloses a kind of butt joint of different diameter steel pipe joint welder, belong to steel pipe welding technical field, including base, rotating circular pipe for butt joint of different diameter steel pipe and be used for the welding machine of butt joint weld of different diameter steel pipe, the inside fixedly connected with second fixed plate of rotating circular pipe, the side of second fixed plate is equipped with second motor, the output fixedly connected with round gear of second motor, the side of round gear is engaged with rack slidingly connected with rotating disc, the downside fixedly connected with support plate of rack, the side of support plate away from rack is equipped with press switch, the device is rotated by second motor and drives round gear, rack is moved, rack moves and support plate moves, support plate supports inside steel pipe, and different diameter steel pipe is fixed at the same center.

The utility model relates to the technical fields of welding device especially is concerned on a kind of parts welding device of pressure vessel manufacturing, it is set up the mobile roller structure that can be supported roll lifting, it is convenient to carry out longitudinal activity, improve practicality;Including chassis, support axle bracket, support roller shaft and support roller, the left and right sides of the top of chassis are respectively movably provided with a group of support axle bracket by adjusting mechanism, the inside upper side of each group of support axle bracket is respectively rotatably provided with a group of support roller shaft, support roller shaft outer wall is connected with support roller inner wall, further include reciprocating motor, threaded rod, movable frame, guide sleeve, longitudinal moving axle bracket, longitudinal moving roller shaft, longitudinal moving roller and internal thread sleeve, reciprocating motor output end is connected with threaded rod top end, guide sleeve inner wall is slidably connected with movable frame same side outer wall, two groups of movable frame top end are connected with longitudinal moving axle bracket bottom end left and right sides, longitudinal moving axle bracket front and back side inside is rotatably provided with a group of longitudinal moving roller shaft, longitudinal moving roller shaft outer wall is connected with longitudinal moving roller inner wall.

The application discloses a kind of open roof rail vehicle body structure, including side wall, underframe, upper floor and staircase, the two sides of upper floor are connected with side wall, the lower end of staircase is connected to underframe, the upper end of staircase is connected to upper floor;Side wall, staircase and upper floor are all used profile structure, upper floor, staircase all include upper panel, lower panel and rib plate, rib plate is connected with upper panel, lower panel simultaneously, the lower panel of upper floor is welded and connected with side wall, the upper panel of upper floor is welded and connected with side wall by first connecting plate;Horizontal direction is extended on side wall and welded and fixed with backing plate, backing plate is used to support the lower panel of staircase.The application effectively solves the welding problem of staircase and underframe, side wall, and staircase is welded simply, and the stiffness and strength are sufficient, and is not easy to deform;Meanwhile, the application also avoids staff to side wall and upper floor in the lower of upper floor and upward welding, is favorable to guarantee the welding quality.

This invention provides a tank container, including a frame and a tank body installed within the frame. The frame includes two relatively spaced end frames. Each corner bracket includes a corner bracket body and a connecting structure integrally formed on the corner bracket body. The connecting structure has one end that protrudes laterally from the corner bracket body along the tank body, and this end is suspended. This suspended end is used to connect to a lower end beam. The suspended end arches upward relative to the lower end beam to be higher than the lower end beam, and a clearance groove is formed between the suspended end and the corner bracket body. The corner bracket is an integrally formed structure, and the arched design of the connecting structure itself can form a clearance groove with the corner bracket body, directly overcoming the problems caused by traditional corner brackets being welded to various sheet metal parts to form clearance grooves. Furthermore, without the need for bending and welding sheet metal parts, the corner bracket has no obvious weld seams, making the overall appearance of the corner bracket cleaner and more aesthetically pleasing.

This utility model relates to the field of turbine seat ring processing technology, and discloses a column structure for turbine seat ring processing equipment, including a column with several through grooves on both outer surfaces. A slide is fixedly installed on the front outer surface of the column. A base is fixedly installed at the bottom of the column, and a positioning component is provided at the top of the base. The column and the base are positioned by the positioning component. By installing a positioning rod at the top of the base, when installing and welding the column and the base, the positioning groove at the bottom of the column needs to be aligned with the positioning rod on the base. The positioning rod is inserted into the positioning groove to accurately position the column and the base, facilitating welding between them. Reinforcing blocks are provided on both sides of the base to increase the stability of the base supporting the column.

This invention relates to the field of fireboat water pump installation technology, specifically to a method for installing a water-spraying propelled fireboat's water pump. The method includes: S1. Initially positioning the water inlet channel on the hull plate, allowing the outlet flange of the water inlet channel to extend into the pump chamber; S2. Placing a dummy pump fixture in the pump chamber, the dummy pump fixture including a dummy pump body, with dummy pump feet at the bottom of the dummy pump body. The dummy pump feet are first anchored to the outlet flange of the water inlet channel using locating pins, and then fixed with bolts; a dummy pump shaft, which is a round tube, is installed on the top of the dummy pump body; S3. Butt-welding the water inlet channel to the hull plate, monitoring the relative position changes of the dummy pump shaft and the steel wire in real time; S4. After welding the water inlet channel, marking the center line of the dummy pump shaft, disassembling the fixture from the outlet flange of the water inlet channel, replacing the fixture with the actual pump, and completing the water pump installation. This installation method avoids inaccurate positioning due to welding deformation of the water inlet channel causing the center line of the water inlet channel to shift, which in turn leads to the shift of the pump shaft center line, thus improving the positioning and alignment accuracy.

The utility model relates to PE pipe fitting welding technical field especially, it relates to a kind of multi-specification applicable PE pipe fitting welding device.The utility model provides a kind of can be adjusted according to PE elbow angle, it is convenient to the hot melt welding of PE elbow of different angle, flexible multi-specification applicable PE pipe fitting welding device is used.A kind of multi-specification applicable PE pipe fitting welding device, including base, rotating frame and slide bar etc., rotating frame is rotatably connected in base middle part, rotating frame front side both sides are all connected with slide bar.The utility model is rotated by holding knob worm gear, worm gear and worm wheel are mutually engaged movement, rotating frame is driven to rotate, so that slide bar slides along slide rail, drive the PE straight pipe rotation clamped between clamping block, so that the welding place of PE straight pipe is aligned with the welding place of PE elbow, reaches can be adjusted according to PE elbow angle, it is convenient to the hot melt welding of PE elbow of different angle, flexible effect is used.

The utility model relates to a reaction flywheel line box, including base, apron, PCB board and connector, the base is hollow in the inside upper end opening cuboid, is equipped with two installation notches in the front and back of base, the installation notch on the front of base and the installation notch on the back of base are symmetrically arranged, two lugs are vertically connected in the front side and the rear side edge mouth place below the apron, the apron cover is equipped in the upper end opening place of base, four lug corresponding insertion installation notches, form spaceflight spare connector interface between the lower end of lug and the bottom surface of installation notch, two connectors are connected through the pin on the upper and lower sides of PCB board, the PCB board is fixed in the inside of base, four connector corresponding clamping in spaceflight spare connector interface, install the ear in four corner places below base, be equipped with mounting hole on the mounting ear.

The application discloses a welding mechanism and a welding method thereof, wherein a first accommodating hole for accommodating a product is arranged on a fixing disc in the welding mechanism, and a first avoiding passage penetrating through the first accommodating hole is arranged on the outer peripheral surface of the fixing disc; a rotating disc is rotatably installed on the fixing disc, a second accommodating hole for accommodating the product is arranged on the rotating disc, and a second avoiding passage penetrating through the second accommodating hole is arranged on the outer periphery of the rotating disc; a first driving member is connected with the rotating disc through a transmission mechanism, and the first driving member is used for driving the rotating disc to rotate; the rotating disc is used for installing a welding device, and the welding device is used for welding the product. The first avoiding passage and the second avoiding passage in the scheme facilitate the product to avoid, the first driving member drives the welding device to rotate, thereby facilitating the welding device to weld the peripheral surface of the product, the welding mechanism can weld special-shaped pipe fittings, and has the advantages of high welding efficiency and stronger adaptability.

The utility model discloses a positioning mechanism of inductor, including work platform, the upper surface of work platform is equipped with the welding torch holder assembly that fixes and connects to inductor framework, the upper surface of work platform is opened with the rotating hole, and the rotating hole is rotatably connected with the pivot in bearing, and the top fixed connection of pivot has the turntable, and the upper surface of turntable is opened with recess, and the recess is rotatably connected with the two -way screw rod in bearing. The utility model not only can to inductor framework carry out steady clamping, avoid inductor framework to shift and shake, and can to the inductor framework of circular clamping will to inductor framework carry out the automatic calibration positioning of positioning, make inductor framework be located the center of turntable to the inductor framework of placing conveniently, also can conveniently to inductor framework carry out the welding of different position, improved the convenience of using.

This utility model relates to the field of vehicle frame welding technology, specifically to a welding fixture for vehicle frame seatposts. It includes a base, two clamping mechanisms, and an adjustment mechanism. The adjustment mechanism includes a guide rail, a threaded rod, a slider, a U-shaped connecting rod, a fixing plate, and two vertical adjustment units. The seatpost and frame are placed on their respective clamping mechanisms. By rotating the threaded rod and engaging the threaded hole, the slider slides within the guide rail, thereby moving the U-shaped connecting rod and the fixing plate, which in turn moves the corresponding clamping mechanisms. This adjusts the distance between the seatpost and the frame. Furthermore, the side-mounted guide rail prevents debris from falling onto the threaded rod during welding, thus avoiding any impact on its use. This facilitates welding different models of seatposts and frames, improving flexibility.

This disclosure relates to the field of semiconductor packaging sintering technology, specifically to a sintering fixture, including a base, a first positioning plate, and a second positioning plate. A bearing area on the base is configured to support a sintering substrate. The first positioning plate is pressed onto the base. A first positioning hole on the first positioning plate is configured to allow the bottom end of a first workpiece to be sintered to pass through and connect to the sintering substrate on the base. A second positioning hole is configured to allow a second workpiece to be sintered to pass through and connect to the sintering substrate on the base. The second positioning plate is pressed onto the first positioning plate, and a third positioning hole on the second positioning plate is configured to allow the top end of the first workpiece to be sintered to pass through and connect to the sintering substrate on the base. The first positioning hole can limit the top end of the first workpiece to be sintered. By providing the first and third positioning holes, this disclosure can limit the top and bottom ends of the first workpiece to be sintered. By providing the second positioning hole, it can limit the second workpiece to be sintered, thereby improving the overall yield and production efficiency of the sintered products.

The application relates to a vehicle frame pin welding auxiliary device and belongs to the technical field of welding. The vehicle frame pin welding auxiliary device comprises a welding robot and a position changing mechanism installed on a base. The position changing mechanism comprises a clamping plate, a pushing assembly and a clamping assembly. The clamping plate is connected to the base. The pushing assembly and the clamping assembly are installed on the clamping plate. Positioning blocks are connected to the clamping plate. The positioning blocks are used for placing workpieces. The pushing assembly is used for pushing the workpieces to the clamping assembly. The clamping assembly is used for positioning the workpieces on the clamping plate. A plurality of positioning blocks are arranged on the clamping plate. The clamping plate places the workpieces through the positioning blocks. The plurality of workpieces are pushed by a pushing plate, so that the end portions of the plurality of workpieces are aligned, thereby facilitating subsequent welding of the workpieces by the welding robot. V-shaped blocks for placing the workpieces are arranged on the clamping plate. The clamping assembly also comprises V-shaped blocks for clamping the workpieces. This facilitates clamping of workpieces with different diameters.

The utility model discloses a kind of steel joint filling plate multi-station automatic welding positioning equipment, it is related to steel joint filling plate welding technical field, including portal frame, screw rod is rotationally arranged in portal frame inside, screw rod is screw-connected with screw block, adsorption mechanism is arranged in the bottom of screw block, adsorption mechanism includes U-shaped plate, second motor is fixedly arranged on U-shaped plate, the output of second motor is through U-shaped plate and fixedly provided with suction plate, vacuum pump is fixedly provided on the top of portal frame, hose is fixedly provided on the side end of vacuum pump, hose bottom end is fixed with suction plate, a plurality of suction holes are opened in the bottom of suction plate, hose is communicated with a plurality of suction holes, limiting assembly is arranged at suction plate four corners. Suction plate is adsorbed and fixed to steel joint filling plate, second motor is started to rotate suction plate by second motor, so that suction plate adsorbs steel joint filling plate to rotate certain angle, and then adjust steel joint filling plate to suitable welding angle, it is convenient to weld different positions of steel joint filling plate.

The utility model provides a kind of neck ring belongs to neck ring technical field.It solves the problem of poor wearing comfort of existing neck ring.The neck ring, including two using flexible material and having accommodating cavity's capsule and using hard material's inner joint and outer joint, the interface of tubularity is had in the one end of capsule, the interface of two capsules is inserted respectively in the two ends of inner joint and is fixedly connected with interface, and outer joint is covered in the outside of two interfaces and is fixedly connected with two interfaces.The utility model structure is simple, and design is ingenious, and the capsule of two sides is connected by hard inner joint and outer joint cooperation, and two capsules form excessive extrusion to the two sides of neck when not wearing, so that wearer feels more comfortable.

The utility model discloses a corrugated pipe welding set relates to welding equipment technical field, and its technical key points include: support frame, the fixed ring is fixedly installed on the support frame, and the welding torch is installed on the fixed ring, the rotary ring is rotatably installed on the inner surface of fixed ring, the drive assembly is fixedly installed on the outer surface of fixed ring, can make rotary ring rotate, the center column is fixedly connected with the support frame at one end, the abutting assembly is provided with a plurality of, all set up on the center column, and this abutting assembly includes the mounting ring, the rotating rod, the torsional spring, the movable ring and electric telescopic handle, wherein, the mounting ring is fixedly installed on the outer surface of center column, the rotating rod is provided with a plurality, and a plurality of rotating rods are distributed on the circumference direction of mounting ring equally, and one end of each rotating rod is rotatably connected with the mounting ring, the torsional spring is fixedly installed between rotating rod and mounting ring, the movable ring is covered in the outside of center column, and the welding process is simple and convenient.

This invention relates to the field of powder tanker truck frame welding technology, specifically to a large powder tanker truck frame positioning, welding, and tilting equipment. It includes a frame, a positioning and clamping mechanism, a rotary drive mechanism, a conveying mechanism, a mounting ring, and a mounting frame. Several sets of positioning and clamping mechanisms are arranged sequentially along the length of the mounting frame. The rotary drive mechanism includes two annular support frames. The conveying mechanism includes a horizontally positioned conveying shaft. The positioning and clamping mechanisms include support frames, telescopic rods, clamping components, and rotary transmission components. The support frames are fixedly mounted on the mounting frame. The axis of the telescopic rod is aligned with the length of the support frame. Four sets of clamping components are respectively arranged on both sides of two I-beams of the frame. The rotary transmission components drive the telescopic rods to rotate. This invention enables welding operations on large powder tanker truck frames, precise positioning and clamping of the frame, and overall tilting of the frame, achieving automatic frame unloading, improving automation, and increasing production efficiency.

The utility model provides a kind of implanted pile splicing positioning device, it is related to pile splicing positioning technical field.Pile machine construction implanted pile process, when upper and lower section pile need to be connected, first hydraulic rod drive sliding base is stretched from fixed seat, second hydraulic rod drive fixture base continues to stretch relative to sliding base, so that lower section pile enters positioning gap, third hydraulic rod drive lower clamping frame clamps and splices, fourth hydraulic rod drive lower clamping tooth carries out clamping locking to lower section pile, by adjusting the levelness of each hydraulic lifting leg of pile machine, so that the bubble of bubble level is in the middle, fifth hydraulic rod drive upper clamping frame clamps and splices, sixth hydraulic rod drive upper clamping tooth carries out clamping locking to upper section pile, substantially reduce the plane deviation of upper and lower section pile, the gap between lower fixture and upper fixture is convenient for the butt welding of upper and lower section pile, so that implanted pile splicing positioning precision and efficiency are substantially improved.

This utility model discloses a steel pipe auxiliary welding mechanism, including a base, a second limiting plate installed on the upper left side of the base, a second adjusting threaded rod installed above the second limiting plate, a first limiting plate installed at the upper rear end of the base, a second connecting bearing installed inside the base, a limiting groove formed on the upper surface of the base, a limiting slider movably installed inside the limiting groove, and a limiting bolt installed inside the limiting slider; and a fixed bracket, which is fixedly installed on the rod above the first limiting plate. This steel pipe auxiliary welding mechanism, by setting a rotatable first limiting plate, allows the first limiting plate to be adjusted to a designated position, cooperating with the second limiting plate to fix two steel pipes to be welded at a specific angle, facilitating welding of the two steel pipes at a certain angle, making steel pipe welding simpler and more convenient, and improving welding efficiency.

This utility model relates to the field of welding equipment and provides an automatic sprocket core welding machine for welding sprockets. The sprocket includes a core and a gear ring. The machine includes: a base; a clamping assembly for clamping the core, including a rotating seat, movable claws, an adjusting disc, and an adjusting gear; a drive assembly for driving the rotating seat to rotate; and a welding assembly including a welding torch for welding the core and gear ring, the welding torch being fixedly mounted on the base via an adjusting rod. This utility model uses movable claws in conjunction with the adjusting disc and adjusting gear to clamp the sprocket, facilitating worker clamping. The rotating seat drives the sprocket to rotate, facilitating welding of the core and gear ring using the welding torch. Compared with traditional welding methods, it is easier to control welding quality and increases processing speed. Furthermore, the machine is simple to operate and easy for workers to learn and use.