31results about How to "Easy soldering" patented technology

The invention belongs to the technical field of welding positioning fixtures, and particularly relates to a welding positioning fixture for an electric welding machine, which comprises a worktable, supporting blocks are symmetrically arranged on the worktable, clamping assemblies for limiting workpieces are arranged on the supporting blocks, driving assemblies are arranged on the side surfaces of the supporting blocks, and a frame is arranged in the worktable. A mounting groove is formed in the frame, exhaust fans are symmetrically mounted in the mounting groove, a heat recovery assembly is arranged in the frame, and an adsorption assembly used for purifying waste gas is arranged in the flowing groove. According to the welding positioning clamp for the electric welding machine, flue gas particles generated during welding can be conveniently and rapidly filtered and purified through the ventilation grooves, an exhaust fan works to extract air in the flowing groove, and then flue gas generated during metal plate welding can flow into the flowing groove through air inlet holes; particulate matters carried by the air can enter the ventilating slot, and the filter screen can intercept and adsorb the flue gas particulate matters carried by the air, so that the aim of purifying the air is fulfilled.

The utility model discloses an easy-to-position welding device for metal handicraft production, which belongs to the technical field of metal handicraft production, and comprises a welding frame, a clamping assembly and a welding main body, the clamping assembly comprises a movable plate and a movable plate, and two ends of the side surface of the movable plate are slidably connected with movable rods through formed through grooves; the end faces of the two movable rods are fixedly connected with the movable plate, the side face of the movable plate is fixedly connected with a rubber plate, the ends, away from the movable plate, of the movable rods are fixedly connected with a limiting plate, and the two ends of the side face of the limiting plate are slidably connected with limiting rods through formed through grooves. According to the welding device for the metal handicrafts, the metal handicrafts are prevented from being extruded, deformed and damaged in the clamping process, and the welding quality of the welding device on the metal handicrafts is improved.

The utility model relates to the technical field of automobile door machining equipment, in particular to an automobile door panel translation positioner which comprises a main track, and a workbench is connected to the top of the main track in a sliding mode. The auxiliary rails are installed on the two sides of the main rail, and clamping assemblies used for clamping the automobile door panel on the workbench are installed on the auxiliary rails; the clamping assembly comprises a conveying belt installed between the two sides of the auxiliary track, a clamping platform is arranged at the top of the conveying belt and placed on the conveying belt, the conveying belt drives the clamping platform to move, a plurality of clamps are fixedly connected to the top of the clamping platform, two transverse rollers are rotationally connected between the two sides of the auxiliary track, and the two transverse rollers are arranged on the clamping platform. And one side of the auxiliary track is fixedly connected with a transmission motor. The problems that when a clamp is installed on a workbench, machining of a door plate by welding and grinding equipment is hindered, time consumed for dismounting and moving away the clamp is much, and the machining speed of the door plate is reduced are solved.

The utility model provides an engine exhaust assembly welding tool, and relates to the technical field of engine exhaust assembly welding tools, the engine exhaust assembly welding tool comprises a base, and a clamping device is arranged on one side of the base. The engine assembly can be arranged on the top of the base in a sleeving mode, the center connecting rod of the engine assembly is placed in the round hole and connected with the base, the concentricity of the installation edge and the inner ring is ensured, then the adjusting screw is screwed to drive the expansion block to be pressed downwards in place, the supporting block is ejected outwards in the inner wall of the sliding groove, and the appearance of the installation edge is fixed. Then the extrusion screw is tightened to abut against and fix the ejected supporting block, the mounting seat and the mounting edge of the assembly are fixed and limited to facilitate welding treatment, the welding deformation is reduced, the welding quality is improved, meanwhile, the expansion operation is simple, only the adjusting screw needs to be tightened to press the expansion block in place, and the expansion efficiency is improved. And a lot of operation time is saved.

The utility model relates to the field of automobile part welding, in particular to an automobile part welding clamp which comprises a connecting frame, a rotating rod installed on the top of the connecting frame, a connecting frame arranged at the end of the rotating rod, a first sliding groove formed in the inner wall of the connecting frame, a sliding piece connected to the first sliding groove, and a threaded hole formed in the sliding piece. Second sliding grooves are formed in the two ends of the sliding part, sliding plates are arranged in the second sliding grooves and connected with the second sliding grooves through elastic connecting assemblies, a connecting plate is installed at the top of the sliding part and connected with the sliding plates, an opening is formed in the top of the connecting plate, and a second guide rod is arranged in the opening. The second guide rod is connected with a sliding frame, an auxiliary clamping plate is installed on the sliding frame, the other end of the auxiliary clamping plate is connected with the sliding plate through a transmission assembly, and the automobile part rotary welding device can effectively and conveniently conduct rotary welding treatment on automobile parts and further can conveniently machine the automobile parts.

The invention relates to the technical field of hydraulic machinery, in particular to a welding auxiliary device for hydraulic machinery production, which comprises a machine table and a supporting seat, the supporting seat is fixedly arranged on the lower surface of the machine table, a sliding block is connected to the machine table in a sliding manner, and a transverse plate is mounted above the sliding block; the upper surface of the transverse plate is fixedly connected with a first clamping plate, the transverse plate is fixedly connected with a protection frame, the protection frame is provided with a moving assembly, the moving assembly is used for clamping parts and comprises a sliding rod installed on the protection frame in a sliding mode, one end of the sliding rod is provided with a second clamping plate, and the other end of the sliding rod is provided with a second clamping plate. The transverse plate is fixedly connected with a limiting strip; an opening is formed in the sliding block. By means of the hydraulic machine welding device, deviation of the welding position can be effectively avoided, parts do not need to be moved again, operation is convenient, the hydraulic machine welding efficiency is high, and hydraulic machine production is facilitated.

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 utility model relates to the technical field of quartz tube welding, in particular to double-layer quartz tube welding positioning equipment. Comprising a machining table and further comprises a supporting plate fixedly connected to the upper surface of the machining table. According to the quartz tube welding device, quartz tubes of different specifications can be conveniently fixed and clamped through the arranged fixing assembly, so that the quartz tubes of different specifications can be conveniently welded, the movable plate can be conveniently adjusted through the arranged first adjusting assembly, and therefore the two quartz tubes can be in butt joint; according to the quartz tube welding device, the position of the welding equipment can be conveniently adjusted through the arranged second adjusting assembly, so that the welding equipment can effectively conduct welding treatment on a quartz tube, workers do not need to conduct welding treatment on the quartz tube manually, on one hand, the welding efficiency and effect of the quartz tube are improved, and on the other hand, the welding efficiency is improved. And on the other hand, the safety coefficient of workers can be improved when the quartz tube is welded.

The utility model discloses a weld seam welding device for welding a steel pipe, which comprises a first aligning device, a second aligning device and a fixed connecting plate, the first aligning device and the second aligning device are symmetrically distributed, and the first aligning device and the second aligning device have the same structure; the fixed connecting plate is fixedly connected between the bottom of the first aligning device and the bottom of the second aligning device. In the welding process, the motor is started to drive the driving adjusting fluted disc to rotate, and the rotating driving adjusting fluted disc can drive the rotating gear ring to rotate, so that the rotating supporting ring and the limiting fixing ring rotate, two steel pipe ends rotate during welding, and one-circle welding treatment can be conveniently achieved.

The utility model discloses a direction-adjustable welding device for pressure pipeline production. The direction-adjustable welding device comprises a base, supporting legs, a sliding rail, a sliding block, a mounting frame, a supporting block, a pipeline, a mounting plate, a rotator, a mounting rod, a hydraulic cylinder, a connecting frame and a welding machine. The pressure pipeline welding device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, and a pressure pipeline can be supported through the sliding rail, the sliding block, the installation frame and the supporting block so as to be welded better; through the arrangement of the mounting rod, the connecting frame and the welding machine, a worker does not need to hold the welding machine by hand to weld a pipeline, so that the phenomenon of arm ache is avoided; through the motor and the connector, the whole pipeline can be driven to rotate, so that angle adjustment is carried out, and a better welding effect is achieved.

The utility model discloses steering tie rod ball stud production equipment, and relates to the technical field of metal cutting machining, the steering tie rod ball stud production equipment comprises a base and a workpiece, the top end of the base is fixedly connected with a support I, one side of the top end of the support I is movably connected with a mounting frame through a rotating shaft, and the other side of the top end of the support I is fixedly connected with a servo motor I; the output end of the first servo motor is fixedly connected with a rotating shaft of the mounting frame, and a clamping mechanism is arranged at the end of the mounting frame. By means of the fixing mechanism, the workpiece can be quickly fixed from the outer side of the workpiece, the second servo motor is started to drive the second gear ring to rotate, the first gear ring is driven to rotate under the action of the synchronous belt, and therefore the lantern ring is driven to rotate, the workpiece is controlled to rotate, welding treatment can be conveniently conducted on the workpiece at all angles, and the welding efficiency is improved. And meanwhile, the servo motor I is used for controlling the mounting frame to rotate, so that the clamping modes of the workpiece are conveniently switched.

The utility model discloses a device for welding ICE heart cavity inner ultrasonic wire bundle and ground sheet, including the vertical setting base plate, the front of base plate is equipped with fixed part, and the one side of fixed part is movedly connected with base plate through a plurality of rolling components, and the upper end surface of fixed part is connected with the upper end surface of base plate through first connecting piece, and the one side of first connecting piece is fixed with base plate through stud, and the other side of first connecting piece is telescopic connection with fixed part through elastic component, and the one side of fixed part lower end surface is equipped with fixed block, and fixed block is connected with fixed part through second connecting piece, and the below of fixed block is connected with welding head, and the other side of fixed part lower end surface is equipped with limiting component, and the operating end of limiting component is abutted with the lower end surface of fixed block, and the problem that the deformation of fixed block is caused by the continuous heating during the process of welding heart cavity inner ultrasonic wire bundle, ground sheet and fixed sleeve, and then the quality of welding heart cavity inner ultrasonic wire bundle, ground sheet and fixed sleeve is influenced is solved.

The utility model discloses an adjustable steel pipe rounding clamp, and belongs to the technical field of steel pipe welding tools. Comprising a distance adjusting rod, the two ends of the distance adjusting rod are each in threaded connection with a Y-shaped base, a fixed angle clamping block and a trapezoidal support are fixedly arranged on each Y-shaped base, a nut is fixedly arranged at the upper end of each trapezoidal support, and a stud is arranged on a nut thread. The two Y-shaped bases are stably placed on the ground for treatment as a whole, after two semicircles of a steel pipe are combined into a circle, under the condition that a horizontal welding seam meets the welding process, the fixed angle clamping blocks and the movable angle clamping blocks clamp the combined circle steel pipes with different diameters by rotating the studs, the welding seam forms a straight line, and the distance between the Y-shaped bases can be adjusted by rotating the distance adjusting rods; and different positions of the end parts of the steel pipes can be clamped, so that a horizontal welding seam and a butt-joint welding seam of the two clamped steel pipes can be separated from the ground and are subjected to non-blocking treatment, and welding treatment is facilitated.

The utility model relates to the technical field of chip welding devices, and discloses an integrated circuit chip welding device which comprises a conveying belt, a base fixedly connected to the bottom of the conveying belt, welding equipment fixedly connected to the top of the conveying belt, a guide mechanism arranged on the left side of the top of the conveying belt, and an adjusting mechanism arranged on the top of the guide mechanism. The guiding mechanism comprises a supporting assembly and a position adjusting assembly, the supporting assembly is arranged at the top of the conveying belt, and the position adjusting assembly is arranged at the bottom of the supporting assembly. According to the integrated circuit chip welding device, through the arranged guide mechanism, a worker can adjust the angles of the guide baffles on the front side and the rear side according to the sizes of different chips, so that when the chips are conveyed rightwards from the top of the conveying belt, the chips can be kept in the middle of the conveying belt all the time; and subsequent welding equipment can conveniently weld the chip at the top of the conveying belt, workers do not need to manually adjust the position of the chip, the working intensity of the workers is reduced, and the device is convenient to use by the workers.

The utility model relates to the technical field of impact crushers, in particular to assembly equipment for a vertical shaft crusher cavity, which comprises a roller group arranged on a base and used for bearing a cavity shell to rotate on the base, and a guide wheel group arranged on the base and used for bearing a support ring and positioned below the cavity shell, the supporting ring can circumferentially rotate on the base along the guide wheel set, the abutting plate, the cavity shell abutting assembly and the cavity shell side pushing assembly are arranged on the base, the abutting driving part is assembled on the upper side of the abutting plate, the side pushing driving part is assembled on the lower side of the abutting plate, and therefore the problem that the position of the driving part needs to be moved when the supporting ring and the cavity shell are assembled traditionally can be avoided; and in this way, the top pressing driving piece and the side pushing driving piece are installed on the abutting plate, the welding precision in the welding process can be improved, a limiting guide wheel is arranged on the inner side face of the supporting ring, sufficient welding space can be provided in the welding process, and the limiting guide wheel can be better matched with a push rod so that the bottom side of the cavity shell can be attached to the upper side of the supporting ring in place.

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 invention discloses a welding treatment construction method for a high-molecular waterproof coiled material pipeline with a self-adhesive layer, which comprises the following steps: cleaning the pipe wall of the pipeline and a substrate surface in contact with the pipe wall of the pipeline, and brushing a surface treating agent after cleaning; laying a double-sided non-asphalt-based polymer wet-laid waterproof coiled material additional enhancement layer on the pipe wall and the base surface coated with the surface treating agent, and then laying a polymer waterproof coiled material with a self-adhesive layer on the laid base surface; selecting a homogeneous high-molecular coiled material which is the same as the high-molecular waterproof coiled material with the self-adhesive layer in material to manufacture a middle layer, and sleeving the middle layer at the root of the pipeline; selecting a homogeneous high-molecular coiled material which is the same as the high-molecular waterproof coiled material with the self-adhesive layer in material to manufacture a waterproof layer, and coating the outer wall of the pipeline with the waterproof layer; and mechanically fixing the port of the waterproof layer by adopting a hoop, and sealing the fixed part. The waterproof sealing performance and reliability of the polymer waterproof coiled material with the self-adhesive layer at a building pipeline part can be effectively guaranteed, and the adaptability is wider.

The present invention relates to the technical field of transmission shaft welding, and in particular to an integrated transmission shaft clamping and welding device, comprising a workbench, a supporting unit, a clamping unit, a middle welding unit and an end welding unit; the present invention can solve the following problems existing in the prior art in the transmission shaft welding process: it is impossible to clamp and fix shafts of different diameters and perform welding processing, thereby failing to ensure stability when clamping shafts of different diameters; it is impossible to clamp and calibrate the joints of two shaft sections, thereby easily causing the axes of the two shaft sections to be unable to be concentric, and there is a bending angle between the two shaft sections, affecting the welding accuracy and effect; the present invention can provide all-round clamping and fixing for the transmission shaft to be welded, so that the two transmission shafts to be welded maintain the same axis, thereby calibrating them, and further improving the stability and welding accuracy of the transmission shaft; the present invention can clamp and fix transmission shafts of different diameters by adjusting the enclosed area between a plurality of limit columns.

The present invention relates to the technical field of pressure vessel production, specifically to a pressure vessel welding and docking device and welding method, comprising a base, a pressure vessel is arranged in the middle of the base, a slope is arranged on the front side of the base, a transmission box is arranged at the lower right side of the base, a support frame is fixedly connected to the middle of the top of the base, a console is fixedly connected to the right side of the support frame, a lifting box is arranged inside the support frame, a welding machine is arranged on the lower left side of the lifting box, an adjustment box is fixedly connected to the top of the support frame, a linkage box is fixedly connected to the left side of the adjustment box, a pushing mechanism is arranged inside the adjustment box, a clamping mechanism is arranged inside the linkage box, and a rotating mechanism is arranged inside the transmission box. The present invention realizes the pushing of the welding machine through the pushing mechanism, and realizes the clamping, fixing and rotation of the pressure vessel through the clamping mechanism and the rotating mechanism, thereby improving the adjustability, stability and convenience of the device.

The utility model relates to the technical field of titanium alloy pipes, in particular to a titanium alloy pipe coaxial positioning welding tool which comprises a fixing plate, a bearing platform fixedly connected to the outer side of the fixing plate, a frame fixedly connected to the outer side of the fixing plate, a threaded rod spirally connected to the inner side of the frame, and a rotary knob fixedly connected to the tail end of one side of the threaded rod. The other end of the threaded rod is fixedly connected with a rotating plate, the outer side of the rotating plate is rotationally connected with a pressing block, the inner side of the frame is slidably connected with a sliding rod, the tail end of one side of the sliding rod is fixedly connected with a limiting block, the other end of the sliding rod is fixedly connected with a circular plate, and a telescopic spring is arranged on the outer side of the sliding rod. Through the bearing platform, the frame, the threaded rod, the rotating plate, a pressing block, a sliding rod, a limiting block, a telescopic spring, a supporting block, a belt, a clamping ring and an anti-skid rod, an operator can conveniently and directly determine that the axes of the two independent titanium alloy pipes are located on the same horizontal straight line to a great extent, and then the operator can conveniently conduct welding treatment on the titanium alloy pipes.

The invention discloses a special-shaped welded pipe die set cavity structure design and a welded pipe die, and belongs to the technical field of welded pipe machining, the special-shaped welded pipe die set cavity structure design comprises a rack, extrusion forming mechanisms for welded pipes are arranged at the front end and the rear end of the rack, and an edge correction mechanism is arranged at the position, close to the extrusion forming mechanism at the front end, of the top of the rack; and an opposite side grinding mechanism is arranged in the middle of the top of the rack. The extrusion forming mechanism composed of the first n-shaped frame, the upper pressing roller, the lower pressing roller, the n-shaped frame, the side pressing roller and the translation air cylinder is arranged at each of the front end and the rear end of the rack, and after being extruded, a steel plate is extruded at the front end of the rack, and the edges of gaps are preliminarily aligned; the edge correcting mechanism, the opposite edge grinding mechanism and the cleaning mechanism are used for correcting, grinding and cleaning the edges of the welded pipes, the extrusion forming mechanism at the rear end of the rack is used for thoroughly aligning welding seams, and finally the laser welding machine is used for welding treatment, so that the orderliness of the welding seams and the welding quality are ensured.

The stable and efficient high-precision welding structure of the laser welding machine comprises an operation table, a protective cover is fixedly arranged on the outer side of the top end of the operation table, a four-axis mechanical arm is fixedly arranged in the middle of the top end of the inner wall of the protective cover, and the movable end of the four-axis mechanical arm is fixedly connected with a laser welding head. According to the stable and efficient high-precision welding structure of the laser welding machine, the two first mounting bases are pushed by the two first air cylinders to move in the opposite direction, then the two clamping bases are driven to move in the opposite direction, the two clamping bases are driven to move in the opposite direction, and the two clamping bases are driven to move in the opposite direction; the two clamping seats are driven by the two motors to rotate, so that the workpiece is turned over, meanwhile, the position of the laser welding head can be adjusted at will conveniently through the arrangement of the four-axis mechanical arm, then welding treatment can be conducted on the top, the side faces and the bottom of the workpiece conveniently, operation is more convenient, and the working efficiency is improved. And the working efficiency can be improved.

The invention relates to the technical field of welding tools, and particularly discloses a gear box intelligent welding tool mechanism which comprises a mounting frame and further comprises a sealing plate regulation and control unit, a sealing plate mounting plate, a sealing plate limiting pin, a gear box regulation and control unit, a gear box mounting plate and a gear box limiting pin. The sealing plate mounting plate is fixedly connected with the output end of the sealing plate regulation and control unit, each group of sealing plate limiting pins are respectively in threaded connection with the sealing plate mounting plate, the gear box regulation and control unit is fixedly connected with the mounting frame, the gear box mounting plate is fixedly connected with the output end of the gear box regulation and control unit, and each group of gear box limiting pins are respectively in threaded connection with the gear box mounting plate. The sealing plate and the gear box can be effectively positioned and installed, meanwhile, the sealing plate and the gear box can be matched with sealing plates and gear boxes of various specifications, the universality during multi-product welding is improved, and meanwhile the welding efficiency of gear box welding is improved.

This invention relates to the field of medical building ventilation equipment installation technology, and more particularly to a pre-embedded through-wall pipe device for hospital ventilation building construction. The device includes an arc-shaped bracket and mounting brackets; four mounting brackets are symmetrically arranged on the arc-shaped bracket; a rotating shaft I, rotatably arranged between the four mounting brackets; winding wheels, symmetrically arranged on the rotating shaft I, with the winding wheels located inside two adjacent mounting brackets; a rotating mechanism, with one end of the rotating shaft equipped with a rotating mechanism for driving the winding wheels to rotate; and a steel rope. The device is secured to the upper horizontal reinforcing bar by the arc-shaped bracket. The positions of the adjustment mechanism and the limiting mechanism are adjusted by the steel rope. The limiting mechanism adjusts the pre-embedded pipe to a horizontal state, and the adjustment mechanism can bend the reinforcing bar of the clamping plate to make it in close contact with the side wall of the pipe, facilitating welding.

The utility model discloses a sheet metal part welding clamp, and particularly relates to the technical field of welding clamps, the sheet metal part welding clamp comprises a base, the top of the base is provided with two moving seats, the surface of the base is provided with a mounting groove, the tops of the two moving seats are provided with mounting seats, and the mounting seats are internally provided with first bidirectional screw rods; and two moving blocks are arranged outside the first two-way screw rod, a mounting plate is arranged at the tops of the moving blocks, clamping rollers are rotationally arranged on the mounting plate, a sliding groove is formed in the surface of the mounting base, a sliding block is arranged in the sliding groove, and a first motor is arranged at one end of the first two-way screw rod. Compared with the prior art, the sheet metal part can be clamped and butted, the sheet metal part can be conveniently rotated and adjusted, meanwhile, welding slag generated when the sheet metal part is welded can be blocked, and the situation that the welding slag falls into the mounting groove, and consequently the follow-up movement of the moving seat is affected is avoided.

The application relates to air compressor gas tank welding butt joint equipment and belongs to the technical field of air compressor production, which comprises a supporting seat, the upper end of the supporting seat is provided with a hydraulic push rod one, the push rod of the hydraulic push rod one is provided with an annular seat, the outside of the annular seat is provided with a plurality of hydraulic push rods two, the push rod of the hydraulic push rod two is provided with a clamping rod, the clamping rod is located on the inner side of the annular seat, the middle parts of the left and right sides of the supporting seat are provided with connecting frames, the outside of the connecting frame is provided with an electric push rod two, the push rod of the electric push rod two is provided with a clamp ring; the air compressor gas tank welding butt joint equipment is characterized in that the gas tank end cover is placed in the clamp ring, the central clamping assembly is matched, the gas tank end cover is clamped in the clamp ring with the center, after the clamp ring is clamped in the center, the stable butt joint of the gas tank end cover and the gas tank cylinder is realized by moving the clamp ring driven by the electric push rod two, welding personnel can conveniently weld the butt joint gap, and the welding effect is guaranteed.

This utility model relates to the field of welding fixture technology and provides a welding fixture for a paddle mixer blade, including an operating table. The surface of the operating table has three sets of sliding grooves arranged in a circumferential array, each groove containing a sliding block. A positioning frame is mounted on the top of each sliding block. This utility model provides a welding fixture for a paddle mixer blade. By setting three sets of positioning frames, the shaft can be positioned and fixed, ensuring precise placement of the shaft at the center of the operating table. A worm gear and worm can rotate the shaft while it is fixed. This design facilitates welding in all directions without repeatedly fixing the shaft to weld multiple blades, thus improving the convenience and efficiency of the welding work. The clamping frame is connected by springs, connecting plates, and locking blocks, allowing for quick replacement of the appropriate clamping frame according to different blade sizes.

The utility model relates to the technical field of new energy manufacturing, and discloses a novel large-surface welding machine cathode welding head which comprises a base, a fixed motor is fixedly connected in the base, and a fixed rotating shaft, a movable seat, a lifting hydraulic rod and a driving seat are inserted into one end of the fixed motor. The welding machine is reasonable in structure, the driving base drives the welding machine negative electrode welding head to move up and down through the lifting hydraulic rod, meanwhile, the driving motor rotates the driving rotating shaft, the support and the welding machine negative electrode welding head rotate, the shapes of weldments are different, a traditional welding machine cannot conduct welding treatment on the weldments in irregular shapes, and the side faces of the weldments cannot be continuously welded; poisonous gas is filtered and adsorbed through an activated carbon box, the generated poisonous gas can be adsorbed and filtered when a weldment is welded, a supporting motor drives a supporting rotating shaft to enable a negative electrode welding head to rotate, and then a left clamping plate moves leftwards by driving a hydraulic rod; after a negative electrode welding head is used, the temperature is extremely high, and operators are easily scalded by directly replacing.

The utility model provides a high-precision pipeline welding butt-joint device, relates to the technical field of butt-joint devices, and aims to solve the problems that when the conventional pipeline welding butt-joint device is used, most of the conventional pipeline welding butt-joint devices are used for fixing straight pipelines, but the angle of the conventional pipeline welding butt-joint device cannot be adjusted in the process of connecting elbow pipelines; the pipeline butt joint device solves the problem that a pipeline needing to be welded is inconvenient to fix due to the fact that butt joint treatment on the pipeline is inconvenient due to the fact that the pipeline butt joint device comprises a turning and adjusting part. And a butt joint part is arranged outside the turning and adjusting part. The middle fixing block is arranged to be of a right-angle structure, the middle fixing block can be conveniently connected with the two sets of butt joint parts on the outer wall, the two sets of connected butt joint parts are kept in the perpendicular state, and connecting pipelines at the two ends of the elbow pipeline can be conveniently fixed; and clamping treatment is conducted according to the elbow pipeline through rotation, butt joint of the elbow pipeline and a connecting pipeline is facilitated, and laying treatment of the pipeline is facilitated.

The utility model discloses a columnar container welding positioning mechanism which comprises a fixed base, a rotating table, positioning frames and a positioning mechanism, the upper surface of the fixed base is fixedly connected with the rotating table, supporting frames are evenly distributed on the surface of the rotating table, and the positioning frames are located at the two ends of the rotating table and fixedly connected with the fixed base. The positioning mechanism comprises a servo motor, an adjusting lead screw, an adjusting seat and a fixed air cylinder, the servo motor is fixedly connected to the top of the positioning frame, the adjusting lead screw is located on the side wall of the positioning frame and rotationally connected with the positioning frame, the top of the adjusting lead screw is connected with the output end of the servo motor, and the adjusting seat in sliding connection is arranged in the positioning frame; the two sides of the adjusting base are connected with the adjusting lead screws respectively. The rotary table is fixedly connected to the upper surface of the fixed base, the rotary table is matched with the supporting frame with the rollers, a columnar container can be conveniently positioned and rotated, and the welding stability and convenience of the columnar container are improved in cooperation with the positioning mechanism on the surface of the positioning frame.