342results about "Electrode supporting devices" patented technology

The invention discloses an intelligent welding control system and method based on multiple sensors and electronic equipment, and belongs to the technical field of automatic welding, the system comprises a sensing layer, a decision-making layer and an execution layer, through cooperative work of a front laser vision sensor, a rear laser vision sensor and a molten pool image sensor, a groove three-dimensional model can be accurately established before welding, and the welding precision is improved. And dynamic information of the molten pool is continuously collected in the welding process, a dual monitoring mechanism for the geometric characteristics of the welding line and the state of the molten pool is formed, and multi-source data collection and fusion in the whole welding process are achieved. The control method comprises the steps of pre-scanning modeling, feedforward parameter planning, real-time feedback adjustment of a molten pool, data fusion optimization and the like, and high-precision self-adaptive control over welding parameters is achieved by combining deep learning and the Kalman filtering technology. According to the method, the welding adaptability, the control precision and the intelligent level can be remarkably improved, and the method is suitable for high-precision welding scenes such as pipelines, pressure containers and steel structures and has remarkable engineering application value and popularization prospects.

The invention relates to the technical field of welding, in particular to a self-adaptive fusion steel pipe welding seam tracking method and system.The method comprises the following steps that a visual sensing subsystem collects a welding seam original laser image of a steel pipe welding plane in real time, and the transverse deviation of a welding gun of the visual sensing subsystem is calculated; the arc sensing subsystem collects original welding current signals in real time for filtering processing, and the transverse deviation of a welding gun of the arc sensing subsystem is calculated; the decision fusion subsystem performs dynamic multi-working-condition optimal fusion on the welding gun transverse deviation of the visual sensing subsystem and the welding gun transverse deviation of the electric arc sensing subsystem to obtain a final welding gun deviation value; and the executing mechanism drives the welding gun to act according to the final welding gun deviation value, and accurate tracking of the steel pipe welding seam is achieved. According to the method and the system provided by the invention, the information of the visual sensing subsystem and the electric arc sensing subsystem is fused, the steel pipe welding seam is tracked based on visual and electric arc composite sensing, and the precision and the reliability of welding seam tracking are greatly improved.

According to the pipeline all-position robot intelligent welding system and method based on the AI algorithm, a laser vision scanning system is adopted for scanning a pipeline welding seam / groove, and an AI intelligent model generating system generates a pipeline all-position welding seam three-dimensional model diagram based on scanning data; the AI intelligent process generation system intelligently reads welding seam size information based on the model diagram, generates a welding gun path of all-position welding, optimizes the welding gun path, matches initial welding parameters and distributes the initial welding parameters to the intelligent welding robot, and the AI intelligent process optimization system predicts a welding seam molten pool in the welding execution process and judges whether the process is qualified or not. And if the process is unqualified, welding parameter adjustment is repeated, and if the process is qualified, process parameter optimization values are output. The welding quality of all-position welding of small and medium-diameter pipelines is accurately controlled, and the all-position welding quality of the pipelines is improved; and the system intelligently adapts to the complex environment of all-position welding of small and medium-diameter pipelines, and can cope with complex welding process changes in real time.

The invention provides an intelligent distance control and temperature measurement monitoring method, system and device for electric arc additive printing, and the system comprises a monitoring module which is responsible for monitoring displacement or machining, a movement module which supports movement during welding, a welding module which undertakes welding work, and a cooperation module which is responsible for cooperative work. Spot scanning and temperature measurement are carried out on the upper surface of the workpiece, data are fed back to the industrial control computer, the computer accurately calculates the layer height of the workpiece and corrects and compensates dry elongation of the welding gun according to the relative position of the spot laser and the welding gun, and meanwhile, the temperature of the welding gun is monitored in real time. The measured average temperature of the upper surface of the workpiece is compared with the preset temperature, printing of the next layer is started after the temperature reaches the standard, the whole process is monitored online through a molten pool camera, it is guaranteed that the layer height, dry elongation and interlayer temperature are stable during printing of each layer, the quality and precision of electric arc additive manufacturing are remarkably improved, and the reliability and stability of the manufacturing process are guaranteed.

This invention discloses a welding apparatus and welding method, relating to the technical field of welding apparatus. The welding apparatus includes a support platform with a sliding groove; a sliding body cooperating with the sliding groove; a motor connected to the sliding body; a shaft-shaped body connected to the output shaft of the motor, with a through hole; a clamping assembly connected to the shaft, with a second through hole communicating with the first through hole; a second motor connected to the support platform; a cam connected to the output shaft of the second motor; a welding assembly slidably connected to the support platform; a connecting rod, one end of which is connected to the cam via a spherical bearing, and the other end of which is connected to the welding assembly via a spherical bearing; and a controller connected to the first motor, the second motor, and the welding assembly. The technical advantage of this invention is that it prevents both collision between the workpiece and the welding assembly and vibration of the workpiece.

This invention provides a control method and apparatus for constant arc length welding of 1.6mm diameter aluminum alloy welding wire, relating to the field of aluminum alloy welding technology. The control method for constant arc length welding of 1.6mm diameter aluminum alloy welding wire is applied to a consumable electrode welding method, comprising multiple consecutive welding cycles. Each welding cycle includes a pulse welding period and an arc circuit detection period following the pulse welding period. The arc circuit detection period includes a wire forward feed period, a first arc detection period, a second arc detection period, and a wire retraction period. Through the synergistic effect of multi-stage speed control and current regulation, the pulse arc length is precisely maintained during the wire retraction period, achieving controllability of the droplet transfer process and arc length stability. This effectively solves the problems of arc drift, wire sticking, and poor weld bead formation in existing technologies, enabling precise control of the arc length and reducing wire sticking, thereby improving welding stability.

The application discloses a tungsten electrode rotary welding gun for electric arc additive manufacturing and belongs to the technical field of additive manufacturing. The tungsten electrode rotary welding gun comprises a base for connecting an additive manufacturing device, a DD motor fixed at the lower end of the base, a sliding sleeve assembly connected at the lower end of the DD motor, the sliding sleeve assembly comprising a rotating sleeve driven by the DD motor, a wire guide tube with the upper end fixed to the base and the lower end penetrating the shaft center of the DD motor and the sliding sleeve, a wire guide nozzle fixed at the lower end of the wire guide tube, a tungsten electrode module fixed at the lower end of the rotating sleeve, the tungsten electrode module comprising a tungsten needle matched with the wire guide nozzle, and when the DD motor rotates, the tungsten needle rotates around the wire guide nozzle to form a ring-shaped heat source. The tungsten needle rotating around the wire guide nozzle provides a near-ring heat source for the welding wire, and the coaxial feeding of the welding wire and the central axis of the welding gun avoids the problem of the dependence of the non-melting electrode side-axis wire feeding electric arc additive manufacturing on the wire feeding direction, and the tungsten electrode rotary welding gun is suitable for manufacturing large components with multiple layers and complex shapes and has the characteristics of flexibility, high efficiency and high precision.

The application discloses a kind of automatic welding production line of round tube and bush, it is related to welding production line technical field, including round tube conveying line, bore assembly being arranged at the end of first conveying branch line and second conveying branch line, chip suction assembly being arranged at the other end of second conveying branch line, and welding assembly being arranged at the both ends of third conveying branch line, it is laterally transferred round tube between adjacent conveying branch line;The technical advantage of the application is: by setting round tube conveying line and round tube transfer line vertically and horizontally, first air cylinder is arranged at the both ends of transfer frame, barb is arranged at the end of transfer frame upward, efficient transfer is realized in the way of height difference between bore assembly, chip suction assembly and welding assembly;By setting pneumatic chuck, rotary drive part and welding locking piece, the circumferential rotation control of round tube is realized, by setting bushing box and bushing positioning structure, automatic taking of bushing is realized, and then full-automatic welding of round tube and bushing is realized, and welding efficiency is improved.

The utility model relates to the technical field of large roller surfacing, in particular to a high-temperature-resistant submerged-arc welding gun device for large roller surfacing repair, which comprises a welding flux blanking hose, a welding flux blanking steel pipe, a wire feeding system, a conducting rod, a heat insulation mechanism, a heat preservation box, a blanking positioning mechanism, a three-way diverter, a contact tube and a contact tube protection sleeve, the heat insulation mechanism comprises a steel plate shell and heat insulation fire-resistant cotton, the steel plate shell is horizontally arranged between the heat preservation box cover and the wire feeding system, the heat insulation fire-resistant cotton is arranged on the side, facing the wire feeding system, of the steel plate shell, and the welding flux discharging positioning mechanism is arranged on the outer circumference of a conducting rod in the heat preservation box. The surfacing welding device has the advantages that the surfacing welding device can go deep into a high-temperature heat preservation furnace for surfacing welding, and the stability of welding bead forming in the surfacing welding process is improved.

The present disclosure provides an apparatus for mounting a welding torch to a robotic arm, comprising a mounting body having a torch connector for holding the welding torch and an arm connector for coupling the mounting body to the robotic arm, and one or more cameras integrated into the mounting body, the one or more cameras configured to capture images of the active welding area at the bottom end of the welding torch from two or more angles to generate a three-dimensional view of the weld seam.

The utility model relates to the technical field of welding appliances, in particular to a carbon dioxide port protective sleeve which comprises a bent pipe body, a first connector, a second connector and a protective sleeve body, the first connector is arranged at one end of the bent pipe body, the second connector is arranged at the other end of the bent pipe body, and the protective sleeve body is arranged at one end of the second connector. A protection assembly used for protecting the second connector is arranged in the protection sleeve body. According to the carbon dioxide port protection sleeve, the insulation sleeve, the contact tube and the protection nozzle are used as an integral protection assembly to be placed in the protection sleeve main body, so that during installation and disassembly, only the protection sleeve main body needs to be installed and disassembled, and compared with an existing carbon dioxide port protection sleeve, parts need to be repeatedly combined and disassembled one by one during installation and disassembly; according to the carbon dioxide port protection sleeve, a protection assembly can be stably installed on a protection sleeve body, and follow-up disassembly and replacement are also convenient.

The handheld welding tractor is provided with a sleeve body, a welding gun protection sleeve is installed in the sleeve body in a penetrating mode, and an electric arc welding gun is loaded in the welding gun protection sleeve. At least one first fastening structure is arranged on the wall of the sleeve body, and the first fastening structure is used for fixing the welding gun protective sleeve; supporting rods are arranged at the symmetrical positions of the left side and the right side of the sleeve body in a mode of extending towards the two sides respectively, a fixing lantern ring is welded to the outer end of each supporting rod, a rolling wheel supporting rod is installed in each fixing lantern ring in a downward penetrating mode, rolling wheels are installed at the lower ends of the rolling wheel supporting rods, and the upper ends of the rolling wheel supporting rods are installed in the corresponding fixing lantern rings in a penetrating mode. A second fastening structure is arranged on the side wall of each fixing lantern ring, and the second fastening structures are used for fastening the corresponding roller supporting rods; the welding speed is easier to control, the formed welding seam is attractive, the width is consistent, and the fusion depth is uniform.

This invention proposes a multifunctional all-terrain intelligent welding robot for ships, comprising a quadruped chassis module, a six-degree-of-freedom robotic arm module, a vision recognition system, and a hierarchical path planning system. The quadruped chassis module employs a Mecanum wheel quadruped chassis, a liftable electromagnetic adsorption structure, and a guide rail electromagnetic foot collaborative structure to form an omnidirectional mobile platform supporting all-terrain and all-attitude operations. The six-degree-of-freedom robotic arm module is fixed above the quadruped chassis module and uses a floating coupling to isolate chassis vibration, achieving high-precision positioning of the robotic arm. The vision recognition system processes image data using a YOLOv8 model improved through Mosaic data augmentation and AFPN feature fusion, and combines OpenCV edge-morphology algorithms to optimize target recognition, developing a dedicated integrated detection algorithm for ship section assembly. The hierarchical path planning system performs three-dimensional path planning using an improved RRT*Connect algorithm, and combines force feedback data to correct the trajectory in real time, completing circumferential, blind-angle-free repair.

The invention relates to titanium alloy component local air cooling protection and wire guide ultrasonic electric arc material increasing equipment and method.The titanium alloy component local air cooling protection and wire guide ultrasonic electric arc material increasing equipment comprises a vortex refrigeration pipe, an air cooling supporting cover, a welding gun, a wire feeding copper nozzle, a titanium alloy base plate, a welding wire straightener, an ultrasonic assembly and a base plate platform, and the titanium alloy base plate is horizontally arranged at the top of the base plate platform; the welding gun is vertically arranged right above the titanium alloy substrate; the air cooling supporting cover and the wire feeding copper nozzle are distributed on the left side and the right side of a welding nozzle of the welding gun; the ultrasonic assembly is used for applying ultrasonic vibration to the welding wire straightener; the vortex refrigeration pipe is connected with the air cooling supporting cover and used for conveying low-temperature inert gas into the air cooling supporting cover, and a shielding gas output end and a cooling gas output end which are used for outputting the low-temperature inert gas downwards are arranged at the bottom of the air cooling supporting cover. The method is reasonable in design, good inert gas protection can be provided in the electric arc additive manufacturing process of the large titanium alloy component, and the microstructure of a formed part can be regulated in situ.

The utility model discloses a cooling nozzle and a welding gun. The cooling nozzle comprises a connecting seat, a nozzle pipe body and a nozzle head, the connecting base is fixedly installed at the end of the welding gun neck, a water receiving pipe protrudes out of the front end of the connecting base and communicates with a water path of the welding gun neck, and a first water inlet hole and a first water outlet hole are formed in the water receiving pipe. The nozzle pipe body is connected to the connecting base in an inserted mode and comprises an inner pipe and an outer pipe, a water channel is formed between the inner pipe and the outer pipe, the water channel is communicated with the first water inlet hole and the first water outlet hole, and heat exchange cooling of the cooling nozzle is achieved. The nozzle head is detachably installed at the front end of the nozzle pipe body so that the nozzle head can be replaced conveniently.

The application provides a welding method and device for a 1.6mm diameter aluminum alloy welding wire for thick and thin plates, relates to the technical field of aluminum alloy welding, and the welding method for the 1.6mm diameter aluminum alloy welding wire for thick and thin plates is used for welding a first aluminum alloy plate and a second aluminum alloy plate, wherein the plate thickness of the first aluminum alloy plate is greater than that of the second aluminum alloy plate, the welding method comprises a plurality of continuous welding cycles, each welding cycle comprises a high-frequency pulse welding cycle for welding the first aluminum alloy plate and a low-frequency pulse welding cycle for welding the second aluminum alloy plate; the high-frequency pulse welding cycle comprises a high-frequency pulse welding period and an arc thrust control period formed after the high-frequency pulse welding period, and the low-frequency pulse welding cycle comprises a low-frequency pulse welding period and an arc length control period formed after the low-frequency pulse welding period.

The invention relates to the field of oil fields, in particular to a three-degree-of-freedom motion system of a special welding gun for welding in a shaft. The system aims at solving the technical problem that in the prior art, accurate motion control of a welding gun cannot be achieved in an extremely narrow underground space, and is suitable for in-situ automatic welding repair of a damaged sleeve so as to permanently recover the mechanical strength and the sealing integrity of the damaged sleeve. The system mainly comprises an underground welding protection system, an underground wire feeding system, an underground welding gun integration system, an underground welding imaging system, an annular rotating system and an axial movement system. The welding gun is driven by the annular rotating system to rotate in the circumferential direction of a shaft, axial feeding of the welding gun is achieved through the axial moving system, transverse swing of the welding gun is provided by the gooseneck rotating device integrated in the underground welding gun integrated system, and therefore three key motion freedom degrees of radial swing, circumferential swing and axial swing of the welding gun are jointly formed.

The application discloses a kind of integrated seamless welding devices for television backboard manufacturing, it is related to the field related to television backboard processing, including base, position adjusting component and the semi-automatic arc welding component of position adjusting component execution end connection, the top of the base is fixed with placing rack, the adjusting mechanism is used to drive the displacement adjustment of the limiting clamp of the top of base two sides;Preheating mechanism is arranged in the limiting clamp, the output end of the preheating mechanism is connected with heat transfer mechanism, and the output end of the heat transfer mechanism is connected with negative pressure adsorption mechanism.This integrated seamless welding device for television backboard manufacturing can drive both sides of limiting clamp synchronous displacement adjustment by the cooperation of transmission driving part and adjusting mechanism, while avoiding the ectopic of backboard in welding process, greatly improving the welding yield and forming precision of television backboard, perfectly adapting the integrated seamless welding mass production demand of ultra-thin, large-screen television backboard.

The invention relates to the technical field of welding equipment, and discloses an elevation angle welding device and a bridge welding method.The elevation angle welding device is suitable for a bridge section elevation angle welding process and comprises a magnetic suction base plate, a first positioning structure, a second positioning structure and a clamping structure; the first positioning structure and the second positioning structure abut against the lower end face of the top of the bridge correspondingly, double guiding and positioning of the positions of the magnetic suction base plate and the welding gun are achieved, it is effectively guaranteed that the welding gun is located at the preset welding position all the time, and therefore the welding precision is improved; the magnetic chassis can be stably adsorbed on the curved surface side wall of the bridge, and the pulley assembly is arranged at the bottom to facilitate movement and adjustment of the device on a curved surface structure, so that the construction flexibility is improved while the stability is ensured; the clamping structure and the second positioning structure are synchronously arranged, reliable clamping and synchronous adjustment of the welding gun can be achieved, the welding gun is effectively prevented from deviating or shaking in the welding process, it is ensured that welding seams are formed stably, and the overall welding quality is improved.

The invention belongs to the technical field of electric welding equipment, and particularly relates to automatic loosening and clamping electric welding pliers based on clamping area temperature judgment. According to the technical scheme, the clamp comprises a clamp body, a clamping bent handle, a clamping jaw and a clamping spring used for providing clamping force, and further comprises a temperature sensor, a control mechanism and an electromagnetic driving assembly, the temperature sensor is arranged in the clamping jaw, and the control mechanism and the electromagnetic driving assembly are installed on the clamping bent handle; the temperature sensor, the control mechanism and the electromagnetic driving assembly are electrically connected through wires. The control mechanism enables the clamping spring to lose the acting force on the clamping jaw through the electromagnetic driving assembly based on a temperature signal collected by the temperature sensor, and the welding rod is automatically loosened. The temperature signals are collected in the clamping area of the electrode holder in real time, comprehensive judgment is conducted in combination with the preset minimum fault duration time, the loosening and clamping mechanism is driven to act only when it is confirmed that the dangerous welding rod adhesion fault occurs, and therefore reliable protection of welding safety is achieved while false triggering is avoided.

The embodiment of the invention provides a 5G small groove welding machine, and relates to the technical field of welding equipment. The 5G small groove welding machine comprises a welding trolley, a main body of the welding trolley is a six-axis type titanium alloy trolley body of a lightweight structure, and a G communication module is arranged in the main body of the welding trolley; the driving motor drives the driving wheel to rotate through the driving speed reducer; the lifting motor drives the lifting screw rod, the fixed end of the angle swing motor is connected with the lifting screw rod, and the first gun clamp is installed at the driving end of the angle swing motor; the driving end of the wire feeding motor is connected with the input end of the worm and worm gear transmission mechanism, and the output end of the worm and worm gear transmission mechanism is connected with the wire feeding wheel. The swinging and lifting angle swinging module realizes welding gun positioning, welding gun positioning and angle self-adaption, and adapts to a small groove; the problems of environmental adaptability, precise control and remote control of deep sea small groove welding are solved, and the welding quality and efficiency are improved.

The utility model relates to an automatic argon arc welding torch of small drift inner wall surfacing cooling circulation system, including welding torch body, ceramic mouth, tungsten electrode and cooling circulation mechanism, the bottom of welding torch body is equipped with ceramic mouth, the bottom of ceramic mouth is equipped with tungsten electrode, and is equipped with the cooling circulation mechanism for welding torch cooling in welding body, sends the cooling liquid into the liquid inlet pipe through the external drive pump, the cooling liquid flows into the spiral liquid pipe through the liquid inlet pipe, the heat of welding torch is passed through red copper heat transfer cylinder, and the heat is quickly conducted to the spiral liquid pipe, and the low temperature cooling liquid is pumped into the spiral liquid pipe from the liquid inlet pipe, absorbs the heat when the cooling liquid flows through the surface of the welding torch part, the high temperature cooling liquid flows out from the liquid outlet pipe, and the recycling use after the cooling through the external radiator, thereby taking away the heat of welding torch body, can long -time welding work, the cooling circulation mechanism is located in the welding torch body, and the unique gun body structure design can be flexible and deep into the narrow space.

The application provides a non-regular gap butt welding method, and relates to the technical field of welding.The non-regular gap butt welding method comprises the following steps: base layer welding, welding is carried out at the root of the gap by moving the welding gun from the small opening end of the gap to the large opening end, a base layer is formed, the size of the gap is judged according to the diameter of the welding crater, and the walking angle and the working angle of the welding gun are adjusted.In the base layer welding process, the change of the gap is determined by observing the size change of the welding crater, the walking angle and the working angle of the welding gun are adjusted, and thus the fusion of the weld at the root of the gap and the formation of the back weld are realized.The pose of the welding gun is continuously adjusted according to the gap, the small opening end of the gap is ensured to be penetrated, and the large opening end of the gap is ensured not to be welded, the back of the weld is ensured to be formed, the fusion of the weld at the root of the gap is ensured, and the weld quality and the flaw detection qualification rate are effectively ensured in the case that the gap of the bevel is uneven.

The application relates to the technical field of electric arc welding, in particular to a welding device for trolley part machining, which comprises a welding table and a supporting column fixedly installed on the top of the welding table, an active seat is arranged above the supporting column, an elastic unit matched with the active seat is installed on the supporting column, an electric arc welding gun is penetrated through the active seat, a locking piece matched with the active seat is installed on the electric arc welding gun, a synchronous frame used for contacting the end of a contrast group pipe is arranged above the supporting column, the movement of the electric arc welding gun is not controlled by a preset program, but is directly driven by the solid outline of the contrast group pipe through a mechanical mechanism, the risk that the programmed track does not match the actual workpiece is completely avoided, the real-time accurate coincidence of the welding track of the electric arc welding gun and the joint of the workpiece is guaranteed, so that the heating center of the electric arc does not deviate from the joint, and the heat can uniformly act on the two side pipe fittings.

The utility model discloses a handheld electric welding machine which comprises a shell assembly, an air inlet cavity is formed in the shell assembly in a penetrating mode. The accommodating cavity assembly is arranged on one side of the shell assembly; the control display assembly and the electric welding core assembly are respectively arranged in the shell assembly; the cooling fan is arranged in the shell assembly and arranged on the side edge of the electric welding machine core assembly, and the position of the air inlet end of the cooling fan corresponds to the position of the air inlet cavity. The welding wire feeding assembly is arranged in the shell assembly, is arranged on the side edge of the accommodating cavity assembly and is electrically connected with the electric welding core assembly; the welding gun head penetrates through the shell assembly and is detachably and electrically connected to the welding wire feeding assembly; and the filter screen is detachably connected to the air inlet cavity. According to the handheld electric welding machine, the filter screen is detachably arranged at the air inlet end of the cooling fan, so that the problem that the number of machine faults is large due to the fact that dust of an existing handheld electric welding machine is difficult to clean is effectively solved.