211 results about "Stud welding" patented technology

The invention provides a stud welding detection method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the tracking recognition processing of a stud welding region in a to-be-detected image based on a template frame, and obtaining a target welding region in the to-be-detected image; calculating a mapping relation matrix between the to-be-detected image and the template image, and mapping and aligning the template frame to a corresponding position of the to-be-detected image based on the mapping relation matrix to obtain a to-be-classified image area after mapping and alignment processing; and performing matching identification processing on the target welding area and the to-be-classified image area to obtain an identification classification result of the to-be-detected image. According to the embodiment of the invention, tracking identification is carried out by using the template frame, so that the target welding area in the to-be-detected image can be accurately positioned, and the accuracy of stud welding area detection is improved; the template frame can be accurately mapped and aligned to the corresponding position of the to-be-detected image; the alignment mode not only improves the processing speed, but also can improve the detection speed of the stud welding area.

The utility model relates to the technical field of universal grippers, and discloses a universal gripper for stud welding without a grounding electrode. Comprising a supporting block, a pressing block, a pressing arm, a cushion block, a lining, a first gasket, a first connecting piece, an SMC speed regulating valve, a second connecting piece, a powerful tightening cylinder, an air cylinder pressing arm, a third connecting piece, a fourth connecting piece, a second gasket, a fifth connecting piece, a sixth connecting piece, an octagonal pipe, a first insulating pin and a second insulating pin. And the first gasket is arranged between the pressing block and the pressing arm. According to the universal hand grab without the grounding electrode, the pressing block material is replaced, so that the space is not occupied; when in use, the pressing blocks on the grippers are better attached to a plate and a pipe, so that the conductivity is increased, the installation space of the grounding electrode is saved, more space is provided for optimizing the track, and the operation is convenient, time-saving and labor-saving.

The invention provides a stud welding robot for assembling an insulating plate of an LNG (Liquefied Natural Gas) ship containment system. The bottom end of the posture adjusting device is fixedly connected to the moving device, and the posture adjusting device has freedom degrees in multiple directions; the positioning, polishing and welding integrated device is arranged at the top end of the posture adjusting device; the device comprises a top rack, a grinding and welding device, a distance measuring device, an auxiliary positioning device and an adsorption device, wherein the distance measuring device is used for acquiring an effective operation distance from the tail end of the positioning grinding and welding integrated device to a to-be-operated surface; the auxiliary positioning device is used for acquiring sideline characteristics of a to-be-worked surface; the adsorption device is adsorbed on a to-be-operated surface during operation; and according to the effective operation distance and the sideline characteristics of the to-be-operated face, the posture adjusting device adjusts the polishing and welding device to be perpendicular to the to-be-operated face, and the polishing and welding device is used for executing the operation of polishing and then welding. According to the device, the studs can be automatically ground and welded on the assembly surface of the insulating plate of the LNG ship in batches, and the operation efficiency and the operation safety are improved.

The invention discloses a stud welding quality state automatic judgment method and system, and relates to the field of stud welding, and the stud welding quality state automatic judgment method comprises the steps that a stud lifting curve in the stud welding process is obtained in real time; the stud welding quality is judged according to an enveloping area of the stud lifting curve and a preset standard lifting curve, and a quality judgment result is obtained; wherein the quality judgment result comprises normal or abnormal. According to the method, whether the quality of the stud welding spot is qualified or not is judged by comparing the stud lifting curve obtained in real time in the stud welding process with the enveloping area of the preset standard lifting curve, so that the problem that the stud welding quality is difficult to detect in batches is solved, and the batch and automation degree of detection is improved.

The invention provides a stud welding interference detection method and system. The stud welding interference detection method comprises the following steps: S1, identifying a part, a clamp, a stud and a guide sleeve under a selected imported product node; s2, a first screening value and a second screening value are determined respectively, and welding guns with the radius of welding gun electrode tips not larger than the first screening value and the length of gun bodies not larger than the second screening value in the welding gun database are called for selection; s3, the welding gun selected in the S2 is used for executing pre-interference detection on all the studs on the part one by one; and S4, performing welding gun simulation rotation interference detection on the stud of which the detection result of the pre-interference detection in the S3 is unqualified for verification. According to the invention, the pre-interference checking is carried out through the pre-interference detection, and the welding gun simulation rotation interference detection is carried out for verification only if the pre-interference detection is unqualified, so that the workload is greatly reduced, and the working efficiency of the interference detection is improved.

The utility model discloses a full-automatic stud welding stud automatic feeder which comprises an arraying machine body, a conveying belt, an arrangement mechanism, an adjusting mechanism and a pushing mechanism, the conveying belt is horizontally installed at a discharging port of the arraying machine body, the arrangement mechanism is installed on the conveying belt and used for arranging and arranging welding studs, and the adjusting mechanism is installed on the conveying belt and used for adjusting the welding studs. The adjusting mechanism is installed at the bottom of the discharging port end of the conveying belt and used for adjusting the feeding direction of the welding studs, and the pushing mechanism abuts against a discharging port of the adjusting mechanism and used for feeding the welding studs. The arrangement mechanism is arranged on the conveying belt on the full-automatic stud welding stud automatic feeding machine, so that a material limiting plate on the arrangement mechanism limits the welding studs which are conveyed together in an overlapped mode on the conveying belt, the welding studs are conveyed one by one, meanwhile, an arrangement plate of a triangular structure on the arrangement mechanism is used for arranging the welding studs which are not consistent in arrangement direction, and therefore the welding studs can be conveyed one by one. And unqualified welding studs after arrangement enter the alignment machine body to be aligned and conveyed again.

The present invention provides a method and system for stud welding interference detection, comprising: S1, identifying parts, fixtures, studs, and guide sleeves under a selected imported product node; S2, respectively determining a first screening value and a second screening value, and retrieving a welding gun from a welding gun database whose welding gun electrode tip radius is not greater than the first screening value and whose gun body length is not greater than the second screening value for selection; S3, using the welding gun selected in S2 to perform pre-interference detection on all studs on the part one by one; S4, performing welding gun simulated rotation interference detection on studs for which the pre-interference detection result in S3 is unqualified for verification. The present invention performs pre-interference screening through pre-interference detection, and only performs welding gun simulated rotation interference detection on studs that fail the pre-interference detection for verification, thereby greatly reducing the workload and improving the working efficiency of interference detection.

The invention provides a multi-vehicle stud welding positioning device which comprises a rotating mechanism, the rotating mechanism comprises a base, a front bearing seat is fixedly connected to the front side of the base, a motor is fixedly arranged on the front side of the base, and a driving shaft of the motor penetrates through the front bearing seat and is fixedly connected with a front connecting seat; a rear bearing seat is fixedly connected to the rear side of the base, a rotating shaft penetrates through the rear bearing seat, and a rear connecting seat is fixedly connected to one end, facing the front connecting seat, of the rotating shaft; the welding frame is used for placing a floor assembly; the bottom positioning structure comprises a seventh connecting seat fixedly connected with the welding frame, a fifth guide sleeve fixing seat is fixedly connected to the seventh connecting seat, and the fifth guide sleeve fixing seat is located below the floor assembly. And a seventh stud guide sleeve is arranged on the fifth guide sleeve fixing seat. The problems that deviation is easily generated and the working efficiency is reduced in a traditional manual stud welding positioning lineation mode are solved.

The present invention discloses an automatic stud welding device for a leak-checking robot, which relates to the technical field of industrial welding. It includes an outer housing and an inner rotating cylinder. The outer housing is rotatably connected to the inner rotating cylinder. An inner end cylinder coaxial with the opening of the outer housing is provided at the opening of the outer housing. It further includes a welding assembly. The welding assembly includes a driven internal gear ring rotatably installed on the inner peripheral wall at one end of the inner rotating cylinder. Two pairs of end rods are fixed on the inner peripheral wall of the inner rotating cylinder near the driven internal gear ring. And a sliding frame block is slidably connected to each end rod. A mounting end rod is fixedly connected to the bottom side wall of each sliding frame block. When multiple mounting end rods move towards the stud, the present invention can simultaneously drive the slider to move along the strip-shaped through groove, and use multiple T-shaped rods to pull the corrugated heat-resistant rubber pad, so that the corrugated heat-resistant rubber pad can approach the stud as much as possible, and effectively cover and protect the base material, thereby effectively reducing the influence of welding slag on the surface of the base material.

The utility model discloses a six-axis robot stud welding device, which relates to the technical field of stud welding and comprises a fixing frame, a conveying belt is movably arranged on the fixing frame, a plurality of workpiece bodies are placed on the conveying belt, a first case is arranged below the fixing frame, an adjusting mechanism is arranged on the first case, and the adjusting mechanism comprises a movable component and a turnover component. And a second machine box is arranged below the fixing frame, a positioning assembly is arranged on the second machine box, a third machine box is arranged below the fixing frame, and a robot is fixedly arranged on the third machine box. A workpiece body is placed on the conveying belt, the workpiece body sequentially passes through the movable assembly, the overturning assembly and the positioning assembly, position adjustment and positioning are conducted on the workpiece body, finally, stud welding is conducted on the top of the workpiece body through the robot body, the whole process is fully automatic, investment of labor cost is reduced, precise welding can be achieved, and production efficiency is improved. The requirements of industrial production are met.

The utility model discloses a telescopic stud welding gun, which belongs to the field of stud welding guns, and adopts the technical scheme that the telescopic stud welding gun comprises a body mechanism, the outer end of the body mechanism is movably connected with a positioning mechanism, the rear end of the body mechanism is movably connected with a telescopic mechanism, and the telescopic mechanism comprises an assembly block; the assembling block is located at the rear end of the body mechanism, the outer end of the assembling block is movably connected with a reinforcing block, clamping columns which are symmetrically distributed are installed at the outer end of the reinforcing block, clamping grooves are formed in the outer ends of the clamping columns, and the clamping grooves are located at the inner end of the assembling block; according to the stud welding gun, the clamping columns and the positioning rods are arranged, when the stud welding gun is detached from the telescopic structure, the pair of positioning rods is pulled, fixing limitation of the clamping head and the clamping columns is relieved, at the moment, the clamping columns are taken out of the inner end of the assembling block, and then the stud welding gun body and the telescopic structure can be conveniently detached, and the telescopic structure of the stud welding gun is also convenient to install; and the use convenience of the telescopic stud welding gun is improved.

The utility model relates to a device for preventing mistaken welding of automobile stud positions, which comprises a stud welding tool, a first automobile stud welding component and a second automobile stud welding component. And the shielding mechanism comprises a shielding driving part, a first shielding part and a second shielding part. When stud welding is carried out on a first vehicle model, the second shielding part is driven by the shielding driving part to shield the stud welding part of the second vehicle model, so that the second stud welding part cannot weld studs on a vehicle body of the first vehicle model; and when stud welding is carried out on the second vehicle type, the first shielding part is driven to shield the stud welding part of the first vehicle type, so that the first stud welding part cannot weld studs on the body of the second vehicle type. According to the stud welding tool, it can be effectively ensured that when the stud welding tool is used for welding the studs, wrong vehicle types cannot be welded, so that mistakes are accurately prevented, and the problems that follow-up maintenance is difficult and the quality of the maintained vehicle body is reduced due to the fact that the vehicle body studs are welded mistakenly in the final assembly process are further solved.

The invention discloses a full-automatic intelligent stud welding system, and relates to the technical field of automatic welding equipment. The system comprises a crawler-type movable chassis, a multi-axis mechanical arm, a welding stud welding execution assembly, an automatic welding stud feeding system, an integrated motion control device and a welding power source device. The integrated motion control device cooperatively controls the movement of the chassis and the posture of the mechanical arm based on a coupling kinematics model, adopts a coarse-fine coupling positioning strategy, and eliminates the parking error of the chassis through a visual sensing module and an inverse kinematics solver. The system is further provided with a dynamic following welding algorithm, and relative static welding in a continuous moving state is achieved by generating a compensation motion vector opposite to chassis involved motion. In addition, the system integrates dynamic collision detection based on motor current monitoring and closed-loop feeding sequential control logic. The problems of low positioning precision and poor operation efficiency in large workpiece welding are effectively solved, and high-precision automatic operation in a complex environment is realized.

The application provides a stud welding system and a control method for visualizing and informatizing AC / DC output, wherein a control box assembly is arranged in a stud welding system main body; a programmer is detachably connected to the stud welding system main body and connected with the control box assembly; a heat dissipation air duct is arranged in the stud welding system main body; a transformer assembly is arranged in the heat dissipation air duct and connected with the control box assembly; a front bridge power assembly is arranged in a front compartment formed by the heat dissipation air duct and a front door of the stud welding system main body and connected with the control box assembly; a rear bridge power assembly is arranged in a rear compartment formed by the heat dissipation air duct and a rear door of the stud welding system main body and connected with the control box assembly; and a stud welding gun is connected to the stud welding system main body and connected with the control box assembly. The embodiment of the application realizes the design of front and rear independent electrical installation compartments, blocks the front and rear electromagnetic interference, improves the EMC index, and improves the reliability and durability of the equipment.

The utility model discloses a positioning device for welding a stud on a metal plate and a welding gun used for welding the stud, the welding gun is provided with a welding gun head, the positioning device comprises a positioning clamp corresponding to the design position of the stud on a stamping part, the welding gun is detachably assembled in the positioning clamp, and the positioning clamp is further provided with a positioning mechanism for positioning the positioning clamp and the welding gun. The positioning fixture of the positioning device is in a fixed and relative positioning state with the stamping part, so that relative positioning of the welding gun and the stamping part can be realized through the positioning fixture in the state, and the position accuracy of stud welding is ensured. Relative positioning of the welding gun after connection with the positioning mechanism is achieved through the positioning mechanism, so that relative positioning of the stud and the surface of the stamping part is guaranteed, the position accuracy of stud welding is further improved, and the problems that the stud deviates and is not perpendicular to the surface of the stamping part during manual stud welding at present are solved.

1. The name of the design product: stud welding main machine (HEAS). 2. The use of the design product: for manual welding, semi-automatic welding, stud welding. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a universal gripper for stud welding without a grounding electrode, and belongs to the technical field of welding of automobile part factories. Comprising a transfer base, a supporting block is installed on one side of the transfer base, a rotating assembly is installed on the transfer base, the rotating assembly comprises a first middle plate and a rotating assembly, the first middle plate is driven by power to rotate, the rotating assembly is installed on the first middle plate, and the rotating assembly comprises a second middle plate installed on the first middle plate; a connecting plate is installed on the second middle plate, a base is installed above the connecting plate, and a rotating frame which is driven by power to rotate is installed on the base. According to the universal gripper for stud welding without the grounding electrode, by adjusting the posture of the pressing block, the pressing block can be better attached to a workpiece with a groove or a special-shaped protrusion, the attaching degree of the pressing block and the workpiece is improved, the workpiece is evenly stressed, the problems of unstable clamping and workpiece displacement are reduced, and the follow-up welding precision is guaranteed.

The utility model discloses a multi-station vehicle body stud welding rapid positioning clamp which comprises a machining table arranged on a bottom plate, a vehicle body plate is placed on the machining table, supporting rods are fixedly connected to the two sides of the top of the bottom plate, and the top ends of the two supporting rods are jointly and fixedly connected with a transverse plate. The two sides of the top of the transverse plate are connected with first sliding rods in a sliding mode through openings formed in the two sides of the top of the transverse plate. According to the multi-station vehicle body stud welding rapid positioning clamp, through cooperation of a first sliding rod, an L-shaped rod, a first inclined block, a second inclined block, a second sliding rod and clamping plates, an electric telescopic rod drives a positioning plate to move downwards, the second inclined block extrudes the first inclined block, and the two clamping plates are promoted to move oppositely; and the clamping plate is used for accurately adjusting the position of the vehicle body plate and clamping and fixing the vehicle body plate, so that the vehicle body plate can quickly and accurately reach a preset welding position.

The utility model relates to the technical field of building construction, and provides steel structure floor bearing plate paving equipment which comprises an embedded part, a rail assembly, a six-axis mechanical arm, an automatic quick change mechanism, a stud welding machine and a spot welding machine. The rail assembly comprises a transverse rail and a longitudinal rail; the embedded part is embedded in the concrete column; the embedded part supports the transverse track; a six-axis mechanical arm, an automatic quick-change mechanism, a stud welding machine and a spot welding machine are borne on the longitudinal track; the automatic quick-change mechanism comprises a support, at least three automatic quick-change discs arranged on the support, a clamping device connected with the automatic quick-change discs, a stud welding gun and a spot welding gun head. The six-axis mechanical arm is installed on the longitudinal rail in a sliding mode, and the tail end of a mechanical hand of the six-axis mechanical arm is connected with the automatic quick-change disc. The six-axis mechanical arm is matched with the clamping device, the stud welding gun and the spot welding gun head in a rail movement mode to achieve on-site paving of the floor support plate, and the problems that existing high-altitude paving of the floor support plate is manual paving, and the efficiency and the automation degree are low are solved.

The invention provides a detection device and method for detecting stud welding strength, the detection device comprises a connecting rod, a base and a break angle adjusting nut, the connecting rod comprises a connecting rod body, the outer surface of the connecting rod body is provided with an external thread, and the bottom of the connecting rod body is provided with a limiting structure; the connecting rod body is connected with a to-be-detected stud which is vertically welded on the surface of a workpiece through a limiting structure, scales within a certain distance range are arranged on the outer surface of the connecting rod body, and the scales are used for representing the angle of angle breaking; the other end of the connecting rod body penetrates through the base, and the height of the connecting rod body relative to the base is adjustable; the connecting rod is movably sleeved with the angle-breaking adjusting nut through external threads, the base is located below the locking nut, and the angle-breaking adjusting nut is operated to be movably arranged in the length direction of the connecting rod body so as to adjust the relative height of the connecting rod body and the bottom of the base. According to the invention, the problems of inconsistent strength and difficulty in angle recovery during manual detection of the stud welding strength are solved.

The invention relates to the technical field of welding equipment, in particular to a plug valve semi-automatic surfacing welding machine platform which comprises a machining table, a moving seat is horizontally and slidably mounted on the machining table through a sliding assembly, placing plates are symmetrically and fixedly mounted on the upper surface of the moving seat, and mounting blocks are symmetrically and fixedly mounted on the two placing plates; and moving holes are formed in the two mounting blocks on the placing plate, moving rods are slidably mounted in the two moving holes, clamping blocks are fixedly mounted at the opposite ends of the two moving rods, the two moving rods are fixedly sleeved with round pieces, and the two moving rods are sleeved with telescopic springs. When a plug valve is placed between the two clamping blocks, the clamping blocks of the V-shaped structure can clamp and fix the plug valve in the middle of the placing plate, meanwhile, the plug valves of different sizes can be fixed and positioned, operation is convenient and fast, the production efficiency is greatly improved, the labor intensity of workers is reduced, and the requirement for large-scale production is met.

The utility model discloses a production device for welding studs of a ring main unit gas tank main body in the ring main unit production and manufacturing and related fields, which comprises a power mechanism, the power mechanism is matched with a turnover mechanism, and the turnover mechanism is matched with a transverse limiting structure and a feeding mechanism. A plurality of gas tank main body panels are hoisted and put into the turnover mechanism, the gas tank is limited to move within a small range in the transverse direction through the limiting structure, the overall stability of the device in the turnover process is ensured, and an operator firstly completes welding of studs on the inner sides and the outer sides of the vertical faces of the gas tank main body panels and then turns over the gas tank main body panels. After the turnover mechanism is driven by the power mechanism to turn over by 90 degrees, the part, originally located at the high position, of the panel is turned over to the vertical face, so that studs on the part are welded conveniently, then the turnover mechanism is turned over by 90 degrees again, limitation of the limiting structure is cancelled, and the welded gas tank body panel is taken down from the turnover mechanism. And a plurality of gas tank main body panels can be welded at a time, automatic overturning is achieved, and the efficiency is higher.

The utility model discloses a steel reinforced concrete crane beam. Section steel is additionally arranged in a bracket and a frame column of the crane beam, and a section steel beam is connected with a section steel column through a steel bracket. The stud is arranged on the contact face of the profile steel and the concrete, the bonding shear force of the concrete and the profile steel is increased, and the weldable mechanical connection sleeve and the steel member can be welded in an equal-strength mode and completed in a factory. In order to meet the installation of a crane, an anchor bolt and a secondary grouting layer should be arranged on the upper flange of the steel skeleton crane beam, and the anchor bolt can be welded with the upper flange of the steel skeleton by penetrating stud welding. After the section steel and the steel bars are installed in place, concrete with good workability and large slump is adopted for pouring, the steel-reinforced concrete crane beam is formed, the advantages of steel and concrete can be fully utilized, and the beam body has higher strength and rigidity.

A fixed type B cabin heat insulation system based on a leakage guide channel and a construction method thereof, which has prefabricated insulation plates, the shapes of the prefabricated insulation plates are different according to the positions of the installed areas, the prefabricated insulation plate installed at the plane of the cabin wall of the B cabin is a plane insulation plate, the prefabricated insulation plate installed at the intersection of two surfaces of the B cabin is a two-surface corner area insulation plate, and the prefabricated insulation plate installed at the intersection of three surfaces of the B cabin is a three-surface corner area insulation plate; during installation, the plane insulation plate is installed first, then the two-surface corner area insulation plate is installed after the installation of the plane insulation plate, and finally the three-surface corner area insulation plate is installed. The guide channel groove of the insulation plate is cooperatively designed with the leakage guide channel, so that the insulation plate can be conveniently divided into the specified position during installation, the installation operation is simple, the stud welding work of a large area is reduced, and the material cost of the insulation system such as studs and cushion blocks is reduced.

The invention relates to the technical field of stud welding, in particular to an automatic welding system of a mechanical arm type stud welding device, a welding device and a to-be-welded workpiece layout area, the to-be-welded workpiece layout area comprises a laser emitting position and a plurality of to-be-welded positions, and a welding gun device is provided with a control module and a laser receiving module. A laser emitting module is arranged on the laser emitting position, the positions of the laser emitting position and the multiple to-be-welded positions are fixed, the specific distribution condition of the multiple to-be-welded positions is preset in the control module, the multiple to-be-welded positions comprise the welding starting position, and the laser emitting module emits laser to a to-be-welded workpiece layout area. The welding device can receive the laser emitted by the laser emitting module in the layout area of the workpieces to be welded, and the control module can recognize the relative position of the welding device and the welding starting point based on the laser received by the laser receiving module of the welding device. And the control module can control the welding device to weld at the welding starting point or other to-be-welded positions, so that the target welding point can be simply and quickly positioned and welded.

The full-automatic welding equipment comprises a first conveying mechanism, a second conveying mechanism, a clamping assembly, a positioning mechanism, a sliding support and a welding mechanism, the first conveying mechanism is used for conveying a to-be-welded plate, the clamping assembly is fixedly arranged on the second conveying mechanism, the positioning mechanism is fixedly arranged on the clamping assembly, and the welding mechanism is fixedly arranged on the sliding support. A positioning mechanism is fixedly installed on the first conveying mechanism, a sliding support is arranged above the first conveying mechanism and the second conveying mechanism, a moving seat is arranged on the sliding support in a sliding mode, a sliding seat is arranged on the moving seat in a sliding mode through driving of a hydraulic cylinder, and a plurality of welding mechanisms are arranged on the sliding seat in a sliding mode. The clamping assembly comprises a bottom plate, a supporting cylinder, a first clamping block, a push rod and supporting rods, the multiple supporting rods are fixedly arranged on the bottom plate in a circumferential mode, the supporting cylinder is arranged on the supporting rods in a sliding mode, the first clamping block is arranged in the supporting cylinder in a circumferential sliding mode, and the push rod is arranged in the middle of the supporting cylinder in a sliding mode.

This invention discloses a grounding stud connection structure and method, belonging to the field of automotive body electrical connection technology. The structure includes a grounding bolt, a double-sided needle-punched wire harness terminal, a washer, and a blind-end nut. The method employs laser cleaning to remove the oxide film in the welding area of ​​the lightweight alloy vehicle body, optimizing arc welding to weld aluminum / magnesium studs to the body. After electrophoresis of the entire vehicle, the wire harness terminal is assembled. The double-sided needle-punched structure breaks the oxide film on the contact surface, achieving ultra-low resistance conductivity. This invention solves the problems of low connection strength, easy detachment, and poor conductivity of arc-welded grounding bolts in lightweight alloy vehicle bodies. It features low weld porosity, improved connection strength, and reduced contact resistance, significantly improving the reliability and safety of the electrical system. It is suitable for batch grounding connections of lightweight die-cast aluminum and die-cast magnesium vehicle bodies, demonstrating strong industrial applicability.

1. The name of the design product: stud welding device (05). 2. The use of the design product: for welding. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The invention relates to the technical field of steel structure materials, in particular to a hot-rolled toothed steel plate, a plurality of rows of toothed blocks are integrally formed on the surface of the hot-rolled toothed steel plate through hot rolling in the transverse direction, and the toothed blocks located in the same row are arranged at intervals. According to the hot-rolled toothed steel plate, the tooth blocks are integrally formed on the surface of the steel plate through the hot rolling technology, the formed tooth blocks can replace studs and other connecting pieces welded to the surface of the steel plate in the prior art, and the tooth blocks can enable the steel plate and a concrete structure connected with the steel plate to form a collaborative stress mechanism; normal lifting and tangential two-way sliding of the concrete and the surface of the steel plate can be effectively resisted, the stress performance is better, and the problems that in stud welding, the workload is large, the welding quality is difficult to control, and the fatigue resistance is poor can be solved through hot rolling integrated forming.

The invention provides a thin-wall stainless steel skin heat insulation tile connecting structure welding method which comprises the following steps: marking a welding area and a welding sequence by marking a connecting piece distribution position of a to-be-welded area of a skin; according to the marked welding area and the welding sequence, the to-be-welded part is welded to the target position through a short-period and balanced magnetic field stud welding method; and after welding is completed, welding spot detection and air tightness detection are conducted on the skin welding seam area. High-quality and high-efficiency welding connection of rocket thin-wall stainless steel skin heat insulation tile metal structures repeatedly used in China can be achieved, the equipment investment cost is low, the welding technical problems of guaranteeing the welding strength of thin-wall stainless steel skin heat insulation tile structural parts and precisely controlling weld penetration are solved, and the technical blank of product development is filled.