41results about How to "Ensure welding stability" patented technology

The invention relates to the technical field of electric water heater machining, in particular to an electric water heater assembly laser welding device which comprises a connecting base fixedly connected with a base of a welding mechanical arm, and a first locking mechanism used for locking a mounting disc of an electric water heater is arranged at the front end of the connecting base. A second locking mechanism used for locking a plurality of heating U-shaped pipes of the electric water heater is arranged at the position, corresponding to the mounting disc, of the lower side of the connecting base, and the first locking mechanism and the second locking mechanism are fixedly connected through a plurality of second electric push rods. Butt joint, positioning and locking of the electric water heater mounting disc and the heating U pipe can be automatically completed, the welding stability of the electric water heater mounting disc and the heating U pipe is effectively guaranteed, the welding quality of the electric water heater mounting disc and the heating U pipe is further guaranteed, use is convenient, and time and labor are saved.

The invention belongs to the technical field of battery box body welding, and discloses a water-cooling battery box body applying an FSW welding technology, the water-cooling battery box body comprises an aluminum alloy box body, the aluminum alloy box body comprises an upper shell, a lower shell, a fixed side skirt and a predetermined welding groove, the upper shell and the lower shell are symmetrically arranged up and down, and the upper shell and the lower shell are symmetrically arranged up and down; a fixed side skirt is integrally formed on the outer side faces of the ends, close to each other, of the upper shell and the lower shell. According to the method, the battery box is fixed through the clamp made of steel, the bolts and the positioning pins, displacement in the welding process is effectively prevented, the welding precision and stability are guaranteed, meanwhile, fine adjustment is conducted on welding parameter setting, including the rotating speed of a welding tool, the feeding speed, the diameter of the tool, the shoulder width of the tool and the like, and welding quality is improved. Therefore, the uniformity of the welding process and the quality of a welded joint are ensured. In the welding process, preheating treatment and reasonable welding sequence and welding position planning are adopted, and the welding efficiency and the joint quality are further improved.

The invention relates to the field of fire extinguishing agent bottle welding, in particular to a heptafluoropropane gas fire extinguishing agent storage bottle welding device which comprises a guide seat, a pressing mechanism is arranged above the guide seat, a limiting mechanism is installed on the guide seat, and a clamping mechanism is arranged between the guide seat and the pressing mechanism. A driving mechanism for driving the pressing mechanism and the clamping mechanism is mounted on the guide seat, and an inner supporting mechanism is mounted on the inner side of the clamping mechanism. A bottle opening, an upper bottle body and a lower bottle body are aligned and clamped through linkage matching of the guide seat, the pressing mechanism, the clamping mechanism and the driving mechanism, the bottle opening, the upper bottle body and the lower bottle body are placed in a second arc-shaped groove and a first arc-shaped groove which are coaxial, and then the driving mechanism drives an L-shaped pressing block to press and fix the bottle opening, the upper bottle body and the lower bottle body. And then the left clamping plate and the right clamping plate are used for clamping the bottle opening, the upper bottle body and the lower bottle body left and right, so that the welding openings of the bottle opening, the upper bottle body and the lower bottle body are further aligned.

The invention discloses an automobile shock absorber welding tool provided with a pre-positioning mechanism, and relates to the field of automobile shock absorber welding, the automobile shock absorber welding tool comprises a movable butt joint reserved seat and a built-in nesting piece, the movable butt joint reserved seat is mounted at the upper end of a pre-positioning base in a nesting manner, and the built-in nesting piece is arranged at the inner end of the movable butt joint reserved seat; a to-be-machined shock absorber workpiece is placed on the inner side of the built-in nested part; a vertical reserved guide groove is formed in the upper end of the movable butt joint reserved seat, and a nested butt joint supporting piece is mounted on the inner side of the vertical reserved guide groove in a nested mode. According to the automobile shock absorber welding tool with the pre-positioning mechanism, a second reserved liquid bag deforms to conduct self-positioning treatment on the outer side of a workpiece making contact with the second reserved liquid bag, that is, self-positioning is achieved in the welding process of equipment, automatic loosening is achieved when the equipment is disengaged from the welding state, manual auxiliary operation of a user is not needed, pre-positioning operation is conducted while welding is conducted according to the machining requirement, and the machining efficiency is improved. Therefore, self-positioning work is carried out on the contacted workpiece in a self-adaptive mode.

The present application relates to a kind of automobile executor assembly equipment, for the loading of parts in succession, cover and welding operation of being carried out in executor shell;Including flow transfer table, is provided with parallel arrangement and transmission direction opposite automatic feeding line;Manual feeding line, the two ends of automatic feeding line and manual feeding line are connected by carrying line;Welding station, is provided with carousel transmission mechanism;Transfer manipulator, be between flow transfer table and welding station, for feeding to automatic feeding line, and the executor assembly of being assembled to manual feeding line is clamped and transported to welding station and is welded work;Welding station is provided with positioning device, positioning device includes the displacement scale group being arranged above welding station, and the jacking assembly being arranged below welding station, welding station is provided with the fixture plate capable of being driven to lift by jacking assembly, the fixture plate is provided with the positioning column corresponding with displacement scale group on;Fixture plate is lifted under the action of jacking assembly, makes displacement scale group and positioning column contact positioning.

The utility model relates to the technical field of vibration motors, and discloses a vertical linear vibration motor, which comprises a cylindrical shell with an opening at one end and a plate-shaped cover body, the shell and the cover body are buckled to form an accommodating space, the shell comprises a side wall, and the free end of the side wall is provided with a first notch; the side wall is vertical to the cover body; the cover body comprises a circular body, a supporting part extending from the body in parallel and an annular protruding part protruding from the inner surface, close to the periphery, of the body, the protruding part is provided with second notches corresponding to the first notches, the first notches are located on the outer sides of the second notches at intervals, the supporting part corresponds to the second notches, and the side wall is fixedly connected between the protruding part and the edge of the body. The maximum outer diameter of the side wall is equal to the outer diameter of the body, a gap is formed between the side wall and the convex part, and a first sealant part is coated in the gap. The vertical linear vibration motor is high in structural stability, good in sealing performance and good in vibration performance.

This invention discloses a welding fixture and method for transition elbows, including a welding platform and a positioning component. The positioning component is set on the welding platform and includes a clamping device, a clamping device, a support block, and a positioning block. The positioning block has a rectangular structure. One end of the clamping device is set on the welding platform, and the other end of the clamping device is located above the lowest positioning platform. The two clamping ends of the clamping device are located on both sides of the lowest positioning platform. This application achieves simultaneous fixing of plate 1, plate 2, plate 3, and plate 4 by coordinating the welding platform and the positioning component, thereby realizing a one-time welding forming operation, ensuring welding stability and welding accuracy, improving work efficiency, and ensuring the quality of the transition elbow.

The utility model discloses a kind of welding torch front end sliding protection mechanism, it is related to welding torch technical field, including welding torch mechanism, the side of the welding torch mechanism is provided with front welding head, the front end of the front welding head is slidably provided with front end protection mechanism, the utility model solves the higher temperature of the existing welding torch head, there is dangerous, simultaneously need to be laterally positioned to keep stability problem, the utility is through the setting of front welding head, the slide groove on sliding pipe realizes the orientation to sleeve frame, sleeve frame and round frame protection piece are mutually fixed, round frame protection piece is circularly arranged, realize the protection to welding torch front end, so that welding torch transverse placement, round frame protection piece can support one end of front welding head, through the setting of front end protection mechanism, spring piece provides elasticity for sleeve frame, guide rod is penetrated and is set in frame, realize the two sides orientation when sleeve frame moves, when welding, it can control suppression round frame protection piece, laterally fixed to welding torch, keep welding stability.

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.

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

The utility model relates to the technical field of welding positioning tools, in particular to a positioning tool for a welding workstation. According to the technical scheme, the welding device comprises a welding table and positioning carrying plates, the welding table is slidably connected with a pair of positioning carrying plates, the upper ends of the positioning carrying plates are both slidably connected with a pair of clamping plates, the clamping plates are rotatably connected with rotating columns, end plates are fixed to the rotating columns, and locking bolts are installed at the ends, close to each other, of the end plates; a driving assembly for driving the positioning carrier plate to slide is arranged in the welding table, and a synchronous assembly is arranged in the positioning carrier plate and corresponds to the clamping plate in position. Before welding alignment, two workpieces needing to be welded are fixed on the positioning carrier plate respectively, butt joint of welding faces of the workpieces can be achieved through synchronous sliding of the positioning carrier plate, welding stability is guaranteed, and meanwhile troublesome operation that the workpieces deviate and need to be aligned and fixed again in the fixing process is avoided.

The invention belongs to the technical field of circuit board testing, and discloses a circuit board testing device, a circuit board testing method and application of the circuit board testing device in electronic information engineering.The circuit board testing device comprises a detection assembly, and the detection assembly is connected with two driving assemblies; the ends, away from the detection assembly, of the two driving assemblies are connected with a sealing assembly, the detection assembly comprises a bearing plate, and through mutual cooperation of a buffer assembly, an air hole and a clamping assembly, on one hand, it is ensured that the contact rate of the working assembly is controllable when the working assembly approaches a circuit board; on one hand, interference of the working assembly on the position of the circuit board in the moving process can be reduced while the working assembly is prevented from making direct contact with the circuit board, on the other hand, gas in the cavity is exhausted through the gas holes through compression of the buffer shell, welding points on the circuit board are tested through the gas generated by the gas holes, and the welding stability of the welding points is ensured.

The utility model provides a kind of insulating glue and battery of reinforcing mainless grid back contact cell welding reliability, including insulating glue body, the insulating glue body is set on the fine grid line of mainless grid back contact cell, at least one recess is provided on the insulating glue body, the recess is used to and is connected with solder strip;The recess and the connecting place of the solder strip are shape matched;The inner recess bottom surface of the recess is uneven contact surface, the bottom surface of the solder strip is uneven contact surface, and two uneven contact surfaces are matched between them.The utility model is by setting recess on insulating glue, and the inner recess bottom surface of recess is uneven contact surface, increase the connection reliability of insulating glue surface and solder strip.

The invention discloses a welding device and method for an auxiliary fuel tank, and relates to the field of aircraft auxiliary fuel tank welding. Each girth welding machine tool comprises a headstock and a tailstock which are arranged on the rigid base; the girth welding inner supporting and outer pressing positioning clamping system is arranged on a girth welding machine tool and comprises an inner supporting tool and an outer pressing positioning tool, the inner supporting tool comprises an inner supporting tool support and a plurality of expansion blocks, an inner supporting air cylinder is arranged in the inner supporting tool support and connected with the expansion blocks, and the outer pressing positioning tool comprises a tool frame and an annular key mechanism. The annular key mechanism is connected with the headstock or the tailstock through the tool frame. The annular key mechanism comprises a plurality of key assemblies and a driving unit. The welding device can ensure that the roundness, the perimeter, the welding seam assembly gap and the alignment tolerance consistency of the butt joint girth welding port of the conical cylinder section of the airplane auxiliary fuel tank meet the requirements.

The utility model discloses dust removal equipment in the technical field of battery production and collector plate welding equipment of a cylindrical battery, and aims to solve the problem of dust cleaning in the collector plate welding process in the prior art. The dust removal equipment comprises a first dust removal device and a second dust removal device fixedly connected with the first dust removal device; the first dust removal device is provided with a first main cavity, and the second dust removal device is provided with a second main cavity communicated with the first main cavity in a penetrating manner, so that light beams can penetrate through the first main cavity and the second main cavity; a plurality of negative pressure suction ports are formed in the first main cavity and are connected with a first negative pressure pipeline; a negative pressure outlet and a positive pressure air knife outlet are formed in the second main cavity, the negative pressure outlet is connected with a second negative pressure pipeline, and the positive pressure air knife outlet is connected with a positive pressure pipeline. On-line cleaning of welding dust is achieved through the stacked dust removal mechanism, production efficiency is remarkably improved, and labor cost is saved; welding fume can be cleaned, and welding gun lens damage caused by overflow of metal particles can be prevented.

The invention relates to a welding copper nozzle plugging and cleaning device which comprises a mounting base, at least one copper nozzle is arranged on the mounting base, and the copper nozzle is provided with a copper nozzle opening; and the plugging unit comprises a sealing plate extending in the first direction, the sealing plate is movably connected with the mounting base, and the sealing plate is driven to move to cover the copper nozzle opening so as to seal the copper nozzle opening. The number of the copper nozzles is multiple, the multiple copper nozzles are sequentially arranged on the installation base in the first direction, and the sealing plate can cover copper nozzle openings of the multiple copper nozzles. The plugging unit further comprises a first driving assembly, and the first driving assembly is connected with the sealing plate so as to drive the sealing plate to act. Welding slag and dust can be prevented from being scattered into equipment through the copper nozzle opening and can be discharged from the dust removal opening of the copper nozzle, so that the welding stability is ensured, the cleaning effect of the copper nozzle is improved, the welding slag and dust are effectively prevented from being scattered into the equipment, and the operation stability of the equipment is ensured.

The invention discloses a diesel engine exhaust manifold welding device, which relates to the technical field of welding and comprises: a base, a frame and an inner ring, wherein the frame is fixedly connected to the top of the base, the inner ring is fixedly connected to the inner side of the frame by bolts, a stabilizing welding assembly is arranged on the inner ring, and the stabilizing welding assembly comprises a rotating groove arranged on the inner ring, a first rotating ring is slidably connected inside the rotating groove, a ball is rollingly connected between the first rotating ring and the rotating groove, a fixed shaft is fixedly connected to the outer side of the first rotating ring, and a rotating shaft is rotatably connected to the fixed shaft; under the guiding action of the stabilizing groove, the guide rod drives the rotating shaft to rotate on the fixed shaft, and the rotation of the rotating shaft on the fixed shaft drives the stabilizing rod one to rotate synchronously, and the stabilizing rod one enables the stabilizing rod two to drive the welding gun through the stabilizing rod three to always align with the weld, thereby ensuring the stability of welding, improving the fluency of welding, and improving the adaptability of welding by welding welds at different angles.

The utility model relates to the technical field of filter disc production, in particular to a disc welding machine which is provided with a rack, a positioning unit, a welding unit and a pressing unit are arranged on the rack, the pressing unit comprises a pressing disc, the pressing disc is connected with a pressing lifting driver, and a pressing disc channel is formed in the middle of the pressing disc. An operator places a to-be-welded disc on the positioning unit, it is ensured that the position of the disc is accurate, the lifting driver is pressed to drive the pressing disc to be pressed above the disc, the welding unit welds the inner circle of the disc through the pressing disc channel, the pressing unit is arranged, it can be ensured that the disc cannot be displaced or dislocated in the welding process, and the welding efficiency is improved. The pressing disc is horizontally arranged, it is guaranteed that all the parts of the disc are evenly pressed, welding uniformity of all the parts of the disc is guaranteed, and therefore the welding quality and stability are guaranteed.

The utility model provides a steel structure butt welding adjusting device, which relates to the technical field of steel structure butt joint and comprises a mounting frame, a rotating plate is rotatably mounted on one side of the mounting frame through a rotating seat, guide plates are arranged at two ends of one side of the mounting frame, and the middle of each guide plate is in threaded connection with a connecting screw rod through a screw hole. One end of the connecting screw is provided with a rotating handle, and the other end is provided with an adjusting plate. According to the steel structure butt welding device, the problems that in the existing steel structure butt welding process, due to factors such as loosening of a steel structure, installation position deviation and structure bending, the butt joint position of the steel structure and a butt joint piece is deviated, welding position dislocation is caused, a certain adverse effect is brought to the operation process of operators, and butt joint efficiency is affected are solved.

The utility model discloses a rotary table convenient for welding, which comprises a base, a table body, a positioning part for fixing a workpiece and a driving part for rotating the workpiece, the positioning part comprises sliding grooves formed in the two sides of the top of the table body respectively, sliding blocks connected with the sliding grooves, a two-way screw connected with the sliding blocks, a vertical block connected with the tops of the sliding blocks, an inserting groove formed in one side of the vertical block, an inclined block connected with the inserting groove, a positioning plate fixedly connected with one side of the inclined block and a positioning opening formed in the top of the inclined block. According to the rotary table, the base, the table body and the positioning component are arranged, so that the problems that when an existing rotary table is used, a workpiece can be fixed and conveniently welded, but the existing rotary table can only be used for welding a square workpiece, and the existing rotary table can not be used for welding a round workpiece, so that the work efficiency is greatly improved are solved. And clamping is relatively fixed, so that a workpiece is not stable enough, the welding result is affected, and the practicability is insufficient.

The present application belongs to the technical field of pipe welding, and discloses a novel plastic pipe welding device and a welding method thereof. The device comprises a rack, a sliding base, symmetrically arranged pipe clamping assemblies, a flange rotating assembly and an automatic slag cleaning assembly. The pipe clamping assemblies are designed with double stations to ensure stable clamping of the pipes. The slag cleaning assembly is driven by a gear and a rack to link with a plum blossom gear and a bevel gear, and a circular arc through hole on a limiting wheel drives a push rod brush to automatically clean the slag when the pipe is retracted after welding. The pipe supporting assembly adopts a parallelogram linkage mechanism to vertically lift a V-shaped bracket. During welding, a high-speed rotating hot melting flange and an axially fed pipe end surface are connected based on the friction heat generation principle. The present application has the advantages of simple and reasonable structure, automatic welding process, stable welding quality, synchronous slag cleaning, easy operation and the like, and significantly improves the production efficiency and working environment.

The utility model discloses an MPP (modified polypropylene) pipe convenient to weld, which belongs to the field of MPP pipes and comprises MPP pipe bodies, a positioning connecting mechanism and an L-shaped positioning inserting rod are matched with the MPP pipe bodies for use, and when the two MPP pipe bodies need to be welded together, the positioning connecting mechanism is connected with the L-shaped positioning inserting rod. An L-shaped positioning inserting rod at one end of the outer wall of one MPP pipe body can be inserted into a movable opening formed in the side wall of a connecting plate installed at one end of the outer wall of the other MPP pipe body, a rotary knob is rotated to drive a screw to rotate, the screw pushes a movable block through a rotating block, and a limiting rod on the bottom face of the movable block penetrates through a limiting inserting opening to be inserted into a limiting inserting groove; the two MPP pipe bodies are connected and installed together rapidly before welding, the problem that errors are caused by shaking of the MPP pipe bodies in the welding process can be avoided, the welding stability between the MPP pipe bodies is guaranteed, the purpose that workers can weld the MPP pipe bodies conveniently is achieved, and the welding quality of the MPP pipe bodies is guaranteed.

The utility model belongs to the technical field of batteries, and discloses an adapter piece and a top cover. The switching piece comprises a conductive piece and an insulating piece, the conductive piece comprises a first welding part, a fusing part and a second welding part which are connected in sequence, and the first welding part and the second welding part are used for being connected with the pole and the tab respectively; the insulating part wraps the periphery of the fusing part, and the first welding part and the second welding part are both attached to the side, facing the battery cell, of the lower plastic. According to the adapter piece and the top cover, the insulating part is coated on the periphery of the fusing part, so that the two sides of the fusing part are covered by the insulating part, and the two sides of the fusing position are covered by part of the insulating part on the corresponding side after the fusing part is fused, so that the fusing position is covered more comprehensively, the generation of electric arc after fusing is avoided, and the safety performance of the battery is improved; on the premise of ensuring coating of the insulating part, the first welding part and the side, facing the battery cell, of the lower plastic are ensured to be attached, and the welding stability of the first welding part and the pole is ensured.

The present invention discloses an adjustable welding device for automobile exhaust pipes and a welding method thereof, which relates to the technical field of automobile exhaust pipe welding. In order to solve the problem that the existing device, during use, adopts the method of positioning the pipeline and driving the pipeline to rotate to complete the welding work, when welding the bent pipe, the deflection range of the bent part of the pipeline is large, there are limitations, resulting in inconvenience in processing, and the device lacks a loading and unloading mechanism, which affects the processing efficiency. A straight pipe loading platform is arranged at the rear end of the annular welding mechanism, and a straight pipe loader is installed on one side of the straight pipe loading platform; a bent pipe loading platform is arranged at the front end of the annular welding mechanism, and a first electric guide rail is embedded in the interior of the bent pipe loading platform; a transfer mechanism is installed on the slider of the first electric guide rail.

The present invention discloses a steel structure thick plate cutting and groove installation structure for assembled steel structure buildings, comprising a steel plate main body; the steel plate main body comprises a first steel plate unit and a second steel plate unit that are butted together; the connecting section of the first steel plate unit has a right-angle surface, the right-angle surface has a first vertical surface and a first horizontal surface, a No. 1 limiting groove is provided on the first horizontal surface, a first inclined surface is provided on the side of the connecting section of the first steel plate unit away from the right-angle surface, a No. 2 limiting groove is provided on the first inclined surface, and the structure of the No. 1 limiting groove is the same as that of the No. 2 limiting groove; a limiting block matching with the No. 1 limiting groove and the No. 2 limiting groove is provided on the second horizontal surface, and the positioning effect between the limiting block and the No. 1 limiting groove and the No. 2 limiting groove can be used to perform stable groove positioning and installation during welding, and the stability after welding is strong.

This invention discloses a method, apparatus, electronic device, and storage medium for opening a shielding frame steel mesh. It can determine the type of graphic data based on the acquired shielding frame graphic data to identify closed and non-closed shielding frame graphics. Different port identification methods can be used to obtain corresponding shielding frame ports for different non-closed shielding frame scenarios, while ports are not needed for closed shielding frame scenarios. The invention acquires the steel mesh opening length range, bridging width, and internal / external expansion parameters, and calculates the steel mesh opening length, bridging position, and angle to obtain the shielding frame steel mesh opening graphic. The solution provided by this invention, implemented through software, can achieve shielding frame steel mesh opening with a single click, completing the opening design within 3-5 minutes. This significantly saves design time, reduces the complexity of shielding frame steel mesh opening design, increases the speed of shielding frame opening design, and solves an industry problem.

The utility model relates to photovoltaic preparation technical field provides a kind of welding device, including first pad, second pad, electromagnetic flowmeter group and heater. First pad and second pad are oppositely arranged, first pad and second pad can be mutually matched to be used for clamping and setting welding busbar and multiple welding strips, multiple grooves of parallel arrangement are opened in the surface of second pad close to first pad, the wall surface of each groove has magnet layer, each groove is used to one-to-one corresponding plastic welding strip. Electromagnetic flowmeter group includes multiple electromagnetic flowmeters, and electromagnetic flowmeter includes signal collector and first electrode and second electrode respectively connected with signal collector, the first electrode and second electrode of each electromagnetic flowmeter are respectively corresponding to access the both ends of each groove. Heater is set on second pad, for heating and melting welding strip. The welding device of the application is high in reliability and can detect false welding problem.

The multi-machine-head automatic inner girth welding system comprises a mounting rod, a mounting hole is formed in the top end of the mounting rod, a mounting plate is connected to the position, corresponding to the mounting hole, of the top end of the mounting rod in a clamped mode, a telescopic welding machine is mounted at the bottom end of the mounting plate, and a rotating seat is welded to the end face of one side of the mounting rod; a connecting rod is rotatably mounted on the inner side of the rotating seat, a positioning iron block is welded to the outer side of the connecting rod, a supporting rod is welded to the end face of one side of the positioning iron block, an electromagnet is embedded into the end face of one side of the mounting rod, and a moving plate is arranged at the bottom of the mounting rod. The welding seam can be quickly and uniformly welded at the same time through the multiple telescopic welding machines, and the machines are not fatigued, so that the welding seam can be continuously and accurately welded, the welding seam welding failure caused by fatigue of workers is reduced, and the overall quality of the annular pipe is guaranteed while the welding seam quality is improved.

The utility model relates to the technical field of automobile bumper, disclose a kind of anti-deviation automobile bumper robot ultrasonic puncture welding positioning device, including lathe, the lathe top side is fixedly connected with reinforcing frame, the reinforcing frame top side is fixedly connected with fixed frame, the fixed frame outside is threadedly connected with bolt, the reinforcing frame outside is threadedly connected in bolt inboard, the fixed frame top side is fixedly connected with sliding block, the sliding block top side is fixedly connected with sliding slot rod, the sliding block top side is equipped with reset component, the sliding block left and right sides are fixedly connected with the multiple evenly distributed fender, the fender outside is fixedly connected with baffle, the sliding block outside is slidably connected with sliding mainboard. In the utility model, this positioning device is adjusted by the structure design and multi-shaft drive of sliding, buffering, reset etc., can accurately avoid the deviation problem when automobile bumper ultrasonic puncture welding, enhance welding stability and operational flexibility, improve processing quality.

The utility model belongs to the technical field of battery devices, and particularly relates to a cylindrical battery monomer, a battery and electric equipment. Wherein the cylindrical battery cell comprises: a cylindrical shell provided with an accommodating space, the cylindrical shell is provided with a first end and a second end which are opposite to each other, the first end is provided with a first assembly opening communicated with the accommodating space, and the second end is a closed end; the naked battery cell is mounted in the accommodating space, and the naked battery cell is provided with a first tab and a second tab; the pole structure is mounted in the first assembly opening, and the pole structure is electrically connected with the first tab; the first switching piece is mounted in the accommodating space, the first switching piece comprises a body and at least one welding part arranged on the body, the welding part is welded with the second tab, one side, far away from the second tab, of the body is welded with the inner wall of the second end, and the welding part protrudes towards the direction of the second tab. According to the technical scheme, the problem that in the prior art, when the adapter piece is welded at the closed end of the cylindrical shell, a naked battery cell is prone to being burnt and damaged is solved.