85 results about "Stud welding" patented technology

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 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 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.

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.

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.

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.

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.

This invention relates to the technical field of shear stud welding, specifically to an automatic shear stud welding device for bridge steel structures. The device includes: a secondary support mechanism; a main support mechanism slidably mounted on the secondary support mechanism, capable of forward and backward movement through alternating support and relative sliding; a main beam rotatably mounted on the main support mechanism, also capable of forward and backward movement; a shear stud feeding mechanism located on one side of the main beam; a magnetic ring feeding mechanism slidably mounted on the other side of the main beam; and a welding mechanism rotatably located at the front of the main beam, including a shear stud holder for clamping the shear studs to be welded and a clamping plate for holding the magnetic ring fitted onto the shear studs. The position of the shear studs held by the shear stud holder can be adjusted by the forward and backward movement and rotation of the main beam relative to the main support mechanism. This invention achieves automatic feeding of shear studs and magnetic rings, automatically welding the shear studs to the designated positions on the bridge steel structure, saving manual welding work, and improving welding efficiency and quality.

The present disclosure relates to a fastening loop welding method according to the present disclosure, which is a stud welding method for a fastening loop, including mounting a fastening loop chuck on a stud gun; inserting the fastening loop into the fastening loop chuck; setting a welding condition for the stud gun; and welding the fastening loop to a welding target.

The invention relates to the technical field of arcing stud welding, in particular to a magnesium alloy stud arcing welding method. Comprising the following steps: preparing a magnesium alloy stud: selecting an AZ31 magnesium alloy or an AZ61 magnesium alloy as a preparation base material of the magnesium alloy stud, and molding and manufacturing; the welding spot position of the magnesium alloy product to be welded is subjected to surface cleaning; introducing high-purity inert gas for protection in the whole process; arc discharge welding process parameters are set, wherein the arc discharge welding process parameters comprise a protective gas conveying time parameter, an arc discharge welding current parameter and an arc discharge welding time parameter; and welding operation is conducted, specifically, the magnesium alloy stud and the cleaned magnesium alloy to-be-welded product are accurately positioned, the gas supply state of the introduced protective gas is maintained, arc discharge welding is conducted according to the set arc discharge welding technological parameters, and a welded finished product is obtained. Therefore, the technical problems that in the prior art, the pseudo soldering phenomenon occurs frequently, the connection reliability of a welding joint is seriously affected, and the actual use requirement of a magnesium alloy structural part cannot be met are solved.

To provide an inexpensive stud welding pin pull-out prevention member that can effectively suppress or prevent the welding pin from falling out of the part attached to the covering material, even if the connection between the welding pin and the metal substrate becomes detached due to the fracture of the welding pin or the like. [Solution] The leg portion 14 of the stud welding pin 10 is press-fitted into the hollow portion of the coil spring 20, which is formed by winding an elastic wire into a coil shape, so that it can be held elastically. At the end of the coil spring 20 on the leg portion 14 side, the wire forming the coil spring 20 is pulled out a predetermined length in the radial direction of the coil to form a locking portion 22, and this locking portion 22 prevents the stud welding pin 10 from being pulled out of the covering material.

1. Name of the product in this design: Energy Storage Stud Welding Main Unit (PFC8-12). 2. Application of this design: For welding screws onto metal sheets such as low-carbon steel, stainless steel, aluminum, and copper. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model belongs to the automobile manufacturing technical field, concretely relates to a stud welding gun support of rotatable switching posture, including stud welding gun, cylinder, rotating mechanism, fixed support, welding gun support, rotating plate and support frame, stud welding gun is installed on welding gun support, and welding gun support is fixed in one side of rotating plate, one end of rotating plate is hinged with support frame through bearing, and support frame is fixed in the upper portion of fixed support, the other end of rotating plate is hinged with one end of rotating mechanism, and the other end of rotating mechanism is hinged with the piston rod of cylinder, and cylinder is fixed in the side portion of support frame. The utility model drives stud welding gun to realize 90 degrees rotation through setting rotating mechanism driven by cylinder, effectively solves the problem of the multi-angle welding of the stud of the body-in-white panel of different automobile models, and can cope with the situation that the traditional welding gun cannot be welded due to space, external shaft auxiliary angle or panel angle restriction.

The utility model relates to the technical field of automobile production, in particular to stud welding strength automatic detection equipment which comprises a collaborative robot and a detection head connected to the tail end of the collaborative robot, and the detection head comprises a stud sleeve and a torque sensor arranged between the stud sleeve and the collaborative robot; the system further comprises a control system, and the control system is connected with the collaborative robot and the torque sensor. The utility model aims to overcome the defects that the existing stud welding strength mainly depends on manual operation and the detection data cannot be quantified and the process can not be traced, avoid the risk of bad products caused by subjective judgment, realize the automation of strength detection, realize data quantification and process traceability, and improve the production efficiency. And managing and analyzing the strength trend and the like.

The utility model relates to the field of welding protection supporting devices, and provides a straight cylinder type stud welding gun head auxiliary positioning tool which comprises a penetrating cylinder, a penetrating positioning hole is formed in the penetrating cylinder along the axis, and the hole diameter of the positioning hole is matched with the outer diameter of a clamping sleeve. The side wall of the penetrating cylinder is provided with two abutting arms used for positioning and arranged along the diameter of the sleeve or at least three abutting arms with the included angle not larger than 180 degrees, each abutting arm is provided with an outer wall face attached to the inner side wall face of the sleeve, at least one abutting arm is further provided with a supporting base column, and gaps of the abutting arms form a protective gas flow channel. The auxiliary positioning tool for the straight cylinder type stud welding gun head, provided by the utility model, is convenient to assemble and disassemble on the premise of ensuring that the jacket and the sleeve are strictly coaxial, and can ensure the perpendicularity of a welded stud on the premise of not influencing the welding operation; the problems that in a straight cylinder type stud welding gun in the prior art, deflection angles occur to welded studs due to deformation of a clamping sleeve, and then the welding quality is poor are solved.

The utility model relates to the technical field of stud welding, in particular to a portal frame type stud welding device which comprises a track moving mechanism, a supporting frame and a transverse supporting piece, the track moving mechanism and the supporting frame are both arranged on the two sides of the transverse supporting piece, and the supporting frame is connected to the track moving mechanism. The transverse supporting piece is connected to the supporting frame, the welding assembly is connected to the transverse supporting piece to weld a workpiece below the transverse supporting piece, the supporting frame and the crawler belt moving mechanism are arranged at the two ends of the transverse supporting piece to form a free moving type portal frame, and the welding assembly is connected to weld an object to be welded in the portal frame.

The utility model relates to a stud welding gun which comprises a gun body, a gun bore, a replaceable gun head and a blocking assembly. A containing cavity is defined by the gun body, the gun bore is arranged in the containing cavity, a mounting gap is reserved between the outer wall of the gun bore and the inner wall of the gun body, a containing cavity is defined by the gun bore, and an outlet is formed in the end, away from the passing opening, of the gun bore. One end of the replaceable gun head penetrates through a muzzle of the gun body to be arranged in the containing cavity and is arranged on the peripheral wall of the end, provided with an outlet, of the gun bore in a sleeving mode, the first end of the blocking assembly is rotatably arranged in the containing cavity and is close to the outlet of the gun bore, and the second end of the blocking assembly penetrates through the installation gap to be connected with a control button on the gun body. The first end of the blocking assembly has a blocking state and an opening state; compared with a traditional welding gun, the cylindrical stud does not need to be manually arranged on the welding gun in a sleeving mode during stud welding, the stud welding speed and welding efficiency are improved, meanwhile, the workload of operators can be relieved, and fatigue of the operators is avoided.

The utility model discloses a kind of stud welding devices, including base, welding power supply, two positioning assemblies and at least one welding assembly, each positioning assembly includes support, clamping cylinder, positioning cone and end clamping arm, positioning cone is horizontally fixed on support, end clamping arm is fixed on swing arm driven by clamping cylinder, welding assembly is located between two positioning assemblies, including first transverse cylinder and welding torch, first transverse cylinder is set along base width direction, welding torch is fixed in first transverse cylinder telescopic end and is electrically connected with welding power supply, welding torch has chuck for sleeving stud, stud in chuck inner sleeve is abutted with anti-collision beam side wall by first transverse cylinder pushing welding torch, stud is welded to the side wall by chuck discharge, the automation welding of stud can be realized, reduce the dependence of stud welding on operator experience and skill.

This utility model relates to the field of welding equipment technology and discloses an ultrasonic stud welding machine for automotive dome lights. It includes a base plate, a support frame mounted on the base plate, a welding end mounted on the support frame, and a rotating table mounted on the base plate below the welding end. The rotating table has at least two workstations, each equipped with a fixture on which a dome light bracket is placed. The dual-workstation design, with its two workstations, separates the workpiece assembly / disassembly from the welding process compared to a single workstation, effectively improving work efficiency.

1. The name of the design product: stud welding device (07). 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 shows the design features: perspective view 1.

This invention relates to the field of welding technology, and particularly to an automated stud welding method and system based on drawing import and vision-guided robot. The method involves importing workpiece entity information from design drawings to construct a physical digital model; based on the physical digital model, acquiring key information and generating welding points, calculating workpiece offset, and correcting the welding posture; planning the welding path based on the set of welding points; and performing the welding operation based on the welding path and welding posture. Compared with existing technologies, this invention's automated stud welding method and system based on drawing import and vision-guided robot can achieve automatic acquisition of the workpiece's welding position without manual measurement, reducing the number of teaching steps and lowering operational complexity; using machine vision positioning ensures the accuracy of stud position; and by adjusting the welding posture, the welding direction is made perpendicular to the plane where the welding point is located, ensuring that each stud maintains a vertical structure when welded to the workpiece panel, increasing individual stability.

Provided in the present utility model are a prefabricated floor slab connecting structure and a prefabricated assembly building composite component. The prefabricated floor slab connecting structure comprises: a reinforcing mesh, wherein the reinforcing mesh is connected inside a floor slab, and two adjacent floor slabs are connected to each other by means of the reinforcing mesh; and a steel beam, wherein the steel beam supports the floor slabs, and is connected to a slab body of a floor slab and / or is connected between the two adjacent floor slabs. According to the prefabricated floor slab connecting structure and the prefabricated assembly building composite component of the present utility model, stable connection of prefabricated floor slabs is achieved by means of a cooperative structure between the reinforcing mesh and the steel beam, without requiring large-area secondary pouring , and fixing studs are quickly welded to the upper side of the prefabricated floor slab only by means of a stud welding machine, thereby greatly reducing the amount of grout to be poured and improving construction efficiency. Compared with conventional floor slab connecting technology at the present stage, the present application has the advantages of easy use, high connection stability, a wide range of application, etc.

1. The name of the design product: stud welding main machine (3600C). 2. The use of the design product: for manual welding, semi-automatic welding, ordinary 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 utility model relates to the field of stud welding devices, and discloses multifunctional stud welding equipment which comprises an equipment control cabinet, two positioning assemblies are symmetrically arranged on the front side of the top of the equipment control cabinet, and two welding assemblies are symmetrically arranged on the rear side of the top of the equipment control cabinet. The welding assembly is located right behind the positioning assembly, and a moving assembly is arranged on the rear side of the welding assembly; a welding chamber is arranged on the outer side of the welding assembly and the outer side of the moving assembly, and an auxiliary assembly is arranged on the outer side of the welding chamber. The two positioning assemblies respectively comprise a first product positioning tool and a second product positioning tool. According to the device, two sets of positioning tools can be installed on the device at the same time, the device can be compatible with welding of various products at the same time, when a worker operates one product positioning tool, the other product positioning tool is arranged to conduct welding work on the products, the starting rate of the device can be guaranteed, and the two positioning tools are separated through a window shade.

The utility model discloses a device for stud welding head bending test, including gear reduction motor, gearbox, rotary table, fixed mode, dynamic mode and a plurality of proximity switch, the gear reduction motor is used to provide power, the gearbox is connected with gear reduction motor drive, the rotary table is driven to rotate by the output shaft of gearbox, the fixed mode is used for clamping a stud welding sample base, the dynamic mode is fixed on the rotary table, and with the rotary table rotates to force the stud welding sample and makes it bend, a plurality of proximity switch is arranged on a plurality of preset angle position on the rotary table rotation path respectively, is used for controlling the start -stop and steering of gear reduction motor. The device provided by the utility model replaces the mode of traditional manual test, avoids the injury of the sample fracture to the operator, guarantees the precision of bending and recovery at the same time, and improves the reliability of test result.