663results about "Electrode supporting devices" patented technology

The invention relates to the technical field of industrial automatic welding and discloses an intelligent control method and system for industrial robot welding, and the method comprises the steps that after a welding task is started, an initial welding process parameter model is called based on the current workpiece specification, and a first welding control instruction sequence is generated; according to the first welding control instruction sequence, a welding gun is controlled to execute welding operation, and multi-source sensing data flow in the welding process is synchronously collected; carrying out fusion feature extraction on the real-time sensing data stream to generate a current welding situation feature vector, when situation deviation exists between the current welding situation feature vector and the reference welding situation feature vector, obtaining a self-adaptive welding process parameter model through online incremental learning, and obtaining a self-adaptive welding process parameter model on the basis of the self-adaptive welding process parameter model. And generating an optimized welding control instruction sequence and issuing the optimized welding control instruction sequence to a robot controller and a welding gun so as to execute self-adaptive welding operation. The welding quality stability and the production efficiency can be improved, and the equipment maintenance cost is reduced.

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 furnace shell welding, in particular to a gas industrial furnace shell welding device which integrates a radial circular seam and an axial longitudinal seam, a servo motor drives a planetary gear train through an intermittent sheave, a rotating shell drives a clamped furnace shell to rotate, and radial welding is completed; after a bottom clamping jaw instantly locks a shell, power is switched to a planet carrier, an outer mounting arm drives a driven scraping arm to grind the inner wall while axially moving, welding and grinding synchronization is achieved, a bidirectional pushing seat crank sliding block mechanism continuously rotates in a one-way mode to push and pull the furnace shell in a two-way mode, whole-circle accurate grinding is achieved during resetting, and six sets of air cylinder lead screw adjustable clamping jaws conduct internal and external synchronous supporting. The outer supporting cylinder is prevented from deformation, secondary clamping is not needed in the whole process, butt joint of multiple sections of furnace shells is completed at a time, continuous filling of a longitudinal weld bead can be completed when a circular seam is still in a high-temperature plastic stage through instantaneous switching of clamping and stopping, and the welding quality of a T-shaped connector area is improved.

The invention relates to the technical field of welding automation, and discloses an intelligent welding system for an electric pole steel reinforcement framework. The system comprises a welding execution module, a multi-mode sensing module, an edge calculation module, a real-time regulation and control module and a system control center. Synchronous collection and real-time analysis of images, temperature and sound signals of a welding pool area are achieved, so that defects such as air holes, slag inclusion and incomplete fusion can be recognized online in a key time window when the welding pool is not solidified, and time delay caused by a traditional off-line detection mode is thoroughly eliminated. Through a real-time regulation and control module, on the basis of a multi-target optimization decision and parameter self-adaptive adjustment mechanism, the system can dynamically adjust key process parameters such as welding current, arc voltage and welding speed at the moment of identifying defect germination or process deviation, and real-time intervention and closed-loop control on welding quality are achieved; therefore, the final formation of defect welding seams is avoided fundamentally, and the rework rate and the material waste are remarkably reduced.

The invention provides a swing control method based on molten pool oscillation multi-feature fusion and related equipment, and relates to the technical field of welding, the method comprises the steps that in the argon arc welding process, an electric arc signal and a molten pool oscillation signal of a variable wall thickness welding area are collected in real time; oscillation amplitude, main frequency characteristics, current fluctuation coefficients and voltage-current phase difference characteristics are extracted from the molten pool oscillation signals and the electric arc signals and combined, and an oscillation comprehensive characteristic matrix is obtained; inputting the oscillation comprehensive characteristic matrix into a pre-trained classification model, and identifying a current molten pool state type; a corresponding swing compensation strategy is matched according to the state type of the molten pool, and asymmetric swing parameters are generated; and the asymmetric swing parameters and a preset basic welding track are subjected to superposition operation, and a composite control instruction is generated to control a welding gun to execute asymmetric swing welding. By implementing the method, different abnormal states of different molten pools can be subjected to differential control, and the stability of the variable-wall-thickness welding process and the forming quality of a final weld joint are improved.

The invention relates to the technical field of building construction welding, in particular to steel structure electric arc welding equipment for building construction. The device comprises a welding gun, a nozzle structure is installed at the bottom of a welding head connecting pipe in a threaded mode, the nozzle structure comprises a hollow spraying pipe and a contact tube extending from the interior of the welding head connecting pipe, an isolation inner pipe is installed in the spraying pipe in a clamped mode, and a gas flow channel formed between the spraying pipe and the contact tube is separated through the isolation inner pipe. The external expansion structure at the lower end of the isolation inner pipe is matched with the height difference between the bottom end of the isolation inner pipe and the bottom end of the spray pipe, physical shielding is formed, and high-temperature splashes entering the external sub-runner during welding are reduced; therefore, adhesion on the inner wall of the outer sub-runner is effectively avoided, the outer sub-runner is kept smooth all the time, and stable conveying of the protective gas is guaranteed.

The present application relates to a kind of welding actuators and track type welding robots, welding actuators include torch assembly, torch transverse angle adjustment assembly, torch swing assembly and torch vertical angle adjustment assembly, set torch transverse angle adjustment assembly, torch vertical angle adjustment assembly jointly drive torch assembly complete the quick and effective adjustment of relative angle of torch and the combined joint to be welded, set torch swing assembly can be small amplitude orderly swing to the welding wire in molten state, to meet the welding action demand and fully guarantee weld forming quality;Track type welding robot includes welding actuators, shell, track mechanism, walking mechanism, walking drive mechanism, lifting mechanism and reinforcing rib plate, can drive welding actuators to adjust welding position in horizontal direction and vertical direction, combined with different working condition requirements, can realize the functional requirements when carrying out structural member flat angle welding.

The invention discloses an automatic welding machine for a valve body, which is used for welding the valve body and comprises a support rotating device for keeping the valve body axially horizontal and driving the valve body to rotate; the welding device is used for welding circular welding seams between the valve body of the valve body and the connecting pipes at the two ends of the valve body; the welding device comprises a welding mechanism. The welding mechanism comprises a welding frame, a welding gun assembly, a welding wire supply assembly and a welding gun adjusting assembly. The welding frame and the valve body are arranged in parallel; the welding gun assembly comprises a welding gun and a welding wire gun; the welding wire supply assembly is used for supplying welding wires to the welding wire gun; the welding gun adjusting assembly is located between the welding frame and the welding gun assembly and used for adjusting the position and the inclination angle of the welding gun relative to the valve body. In the welding process, automatic welding is achieved, manual welding is not needed, the welding efficiency is high, and the production efficiency is high.

The invention belongs to the field of argon arc welding devices, and particularly relates to an automatic device for circular tube butt-joint argon arc welding, which comprises a base, and a circular tube butt-joint positioning assembly is arranged on the base; the round pipe butt joint positioning assembly comprises a rotating plate rotationally arranged on one side of the upper end face of the base, two transverse moving columns are distributed on the upper end face of the rotating plate in a 90-degree array mode with the rotating shaft as the axis, the transverse moving columns are slidably connected to the rotating plate, and a connecting plate is fixedly connected to the upper end of the rotating plate. According to the round pipe butt joint device, automatic butt joint of round pipes is achieved through the round pipe butt joint positioning assembly, the round pipe feeding assembly, the orientation angle recognition assembly and the material moving assembly, the process that operators conduct manual butt joint on the round pipes is omitted, and the labor intensity is reduced. The orientation and the angle of the circular pipes are judged in a distance sensing mode, the two circular pipes are accurately adjusted to be at the proper angle, then it is guaranteed that the inclined faces of the two circular pipes are accurately attached, weld joint deviation is avoided, and therefore it is guaranteed that welding work is conducted smoothly.

The present invention relates to the technical field of boiler manufacturing, and provides a weld seam structure suitable for a narrow gap water-cooled wall tube panel and a welding process. The weld seam structure comprises groove gaps formed between adjacent water-cooled wall tubes; joints are provided on the sides of the adjacent water-cooled wall tubes close to each other; the joints are distributed on the upper sides of the groove gaps, and the joints are communicated with the groove gaps; and the groove gaps comprise V-shaped grooves or U-shaped grooves. In addition to the original joints, adjacent water-cooled wall tubes are considered as a whole, and gaps formed between the water-cooled wall tubes are machined into groove gaps and welded with the joints, thereby increasing the thickness of a welding seam at a tangent point and the safety coefficient, facilitating ray radiographic inspection, and solving the technical problem of great hazards to the safe operation of units due to the fact that when the gaps between the adjacent water-cooled wall tubes are small, the welding quality at the tangent point position of the adjacent water-cooled wall tubes cannot be effectively guaranteed due to inconvenient observation, welding, and radiographic inspection.

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 belongs to the technical field of welding equipment, and relates to a panel moving type double-wire submerged arc welding machine and a welding method.The panel moving type double-wire submerged arc welding machine comprises a frame body, and a welding flux hopper, a wire feeder mounting frame and a mounting frame are sequentially mounted on the frame body from top to bottom; two groups of wire feeders are mounted on the wire feeder mounting frame, and the angles of the wire feeders can be adjusted so as to adjust the welding wire conveying angle; two welding guns are mounted on the mounting frame, a welding flux spreading joint is fixed on one of the welding guns, the feeding end of the welding flux spreading joint is hermetically connected with the discharging end of a welding flux hopper through a conveying pipe, and the positions and the angles of the welding guns can be adjusted; a recovery suction nozzle is installed on the installation frame and driven by a driving component to recover redundant welding flux. According to the welding structure, the operation time of a welding seam can be greatly shortened through double-wire welding, meanwhile, the angle of the wire feeder is adjustable, the wire feeding smoothness can be adjusted, and welding is more stable.

The invention relates to the technical field of industrial automation, discloses an intelligent welding method and system for tube panel module production, and aims at solving the problems that manual welding is high in dependence, uneven in quality, low in efficiency, high in cost and insufficient in monitoring optimization capacity. The method comprises the steps that a workpiece connector is recognized through three-dimensional vision, and a path is planned; carrying out real-time monitoring, data fusion and feature extraction by a multi-modal sensor; deep learning is performed to predict quality, and reinforcement learning is performed to optimize parameters; and finally, post-welding evaluation and tracing are realized. The system comprises a main control unit, a robot welding arm, a welding execution unit and a positioning clamping unit. A multi-mode intelligent sensing module; and an intelligent processing and auxiliary control unit. By the adoption of the technical scheme, full automation, high efficiency, high precision, high consistency, quality real-time monitoring and intelligent optimization of key welding of the tube panel module can be achieved.

The invention relates to the technical field of vehicle body welding, in particular to a vehicle body repair welding device which comprises a welding gun body, a positioning block is fixedly connected to the outer wall of the welding gun body, a square shell is slidably inserted into the inner wall of the positioning block in a penetrating mode, a limiting block is fixedly connected to the upper end of the square shell, and the limiting block is attached to the upper end of the positioning block. A fixing mechanism is arranged between the square shell and the limiting block, supporting blocks are rotationally arranged at the positions, close to the lower edges, of the front end and the rear end of the square shell through elastic assemblies correspondingly, and baffles are fixedly connected to the lower edges of the front end and the rear end of the square shell correspondingly. Before the cracks in the sunken positions of the bicycle body of the bicycle are repaired and welded, the sunken positions of the bicycle body of the bicycle can be slowly and evenly pulled up to be nearly restored, then the cracks can be repaired and welded by controlling the welding gun body, at the moment, the compactness and strength of welding seams are both improved, and the welding quality is improved. And the sunken positions of bicycle bodies of bicycles in different ranges can be pulled up and restored, and adaptability is good.

The invention relates to the technical field of welding equipment, and discloses steel product gas shielded welding equipment which comprises a machining table, a continuous automatic welding mechanism, a synchronous filtering and dust collecting mechanism and a flow adjusting mechanism. Side plates are vertically and fixedly arranged on the two sides of the top of the machining table, and a top plate is fixedly arranged on the tops of the side plates. According to the gas shielded welding equipment for the steel products, constant-speed automatic welding of the workpieces is achieved through the constant-speed automatic welding mechanism, and the situation that the welding quality is affected due to unstable connection of weld joints of welding rods and the workpieces due to the uneven welding speed is avoided; when the constant-speed automatic welding mechanism operates, the synchronous filtering and dust collecting mechanism is driven to collect and treat smoke generated during welding, air pollution caused by the smoke is avoided, and when the synchronous filtering and dust collecting mechanism operates, the flow adjusting mechanism is driven to automatically adjust the flow of protective gas. And instability of a protective dielectric layer formed by protective gas when the welding speed is different is avoided, so that the protective effect on the weld joint is improved.

The application provides a multi-wire submerged arc welding method and device for straight-seam steel pipes, and belongs to the technical field of welding. The method comprises the following steps: adopting a multi-wire submerged arc welding process to perform double-sided submerged arc welding on a straight-seam steel pipe, and when welding an outer weld, an ultrasonic auxiliary device arranged at the back of a molten pool generates ultrasonic waves and inputs the ultrasonic waves into the molten pool through a horn, so that the formation of intergranular ferrite in the weld zone is inhibited, the content of intragranular acicular ferrite is increased, and the toughness and hydrogen brittleness resistance of the weld zone are improved. The device comprises a three-wire submerged arc welding device, an ultrasonic auxiliary device and a telescopic cantilever beam; the ultrasonic auxiliary device is installed at the front end of the telescopic cantilever beam and comprises three ultrasonic transducers arranged side by side; a horn is installed at the output end of the ultrasonic transducer; the ultrasonic transducer generates ultrasonic waves and inputs the ultrasonic waves into the molten pool through the horn. The application solves the problems that the existing ultrasonic auxiliary arc welding cannot control the content of acicular ferrite and the effect of reducing residual stress in the weld zone is not obvious.

The invention discloses an automatic welding device for an AP reactor type nuclear power CV electrical penetration assembly insertion plate, which comprises a positioning mechanism, the positioning mechanism is provided with a manual screwing handle and a welding track, the positioning mechanism is used for being mounted in a sleeve, the outer side of the sleeve is fixedly connected with the CV penetration assembly insertion plate, and the outer side of the CV penetration assembly insertion plate is provided with a CV containment; the welding trolley comprises a chassis structure, the chassis structure is installed on the welding track, a welding gun height adjusting mechanism is installed on the chassis structure, a welding gun horizontal swing adjusting mechanism is installed on the welding gun height adjusting mechanism, a welding gun angle swing mechanism is installed on the welding gun horizontal swing adjusting mechanism, and a welding gun and a molten pool monitoring camera are installed on the welding gun angle swing mechanism. According to the method, the labor intensity of welders is relieved, high dependence on high-skill welders is reduced, the technical implementation threshold is lowered, and welding defects possibly caused by human factors are effectively avoided.

The invention relates to the technical field of submerged arc welding equipment, in particular to an automatic submerged arc welding unit which comprises a cover with the section of an isosceles trapezoid structure, the cover at least comprises a horizontal plate and elastic inclined plates located on the two sides of the horizontal plate, and the included angle between the horizontal plate and the elastic inclined plates is adjustable. And the scaling powder stacked on the groove of the workpiece to be welded is shaped. According to the submerged-arc automatic welding unit, the inner space of the cover has the capacity of evenly placing the scaling powder, when the scaling powder is scattered all around, the elastic inclined plate buffers and absorbs impact force, scaling powder escape is reduced, and the scaling powder is stably isolated in the welding process; and the grid plate pokes the scaling powder in front of welding operation aside, most of splashing slag is conveyed away from the position above a groove to be welded, welding interference generated when a rear welding head passes through is reduced, the welding process is more stable, and the safety influence on workers is weakened.

The utility model belongs to the technical field of high-temperature gas cooled reactor equipment manufacturing, and discloses a saddle-shaped welding seam 3G position filament swing submerged arc welding tool, which utilizes a welding robot and a tool structure design to meet standards and design specifications and greatly improve welding efficiency. The problem that a traditional submerged-arc welding seam cannot be formed can be solved, and the welding efficiency is improved.

The invention provides a welding device for power plant boiler installation, and belongs to the technical field of boiler installation and welding. Comprising a welding installation part, a knocking auxiliary part is installed on the welding installation part, the knocking auxiliary part is used for preventing the welding installation part from being damaged, an attaching installation part is installed on the welding installation part, a gas facing protection part is installed on the attaching installation part, and the gas facing protection part is used for ensuring the gas protection quality. A swing limiting piece is installed on the attaching installation piece and used for improving operation standardability, and a gas protection prompting piece is installed on the welding installation piece. The gas facing protection part is arranged to be matched with the attaching installation part to be used for limiting the operation standardization of workers, and the carbon dioxide protection quality is guaranteed; the problems that an existing welding device for installing the boiler of the power plant is inconvenient to automatically control and limit gas-facing welding of workers, and welding wires for carbon dioxide protection welding are also prone to being blocked by splashing objects are solved.

The invention relates to the technical field of welding equipment, and discloses an automatic welding robot capable of preventing welding slag from falling on a workpiece, which comprises a base, a mechanical arm arranged at the top of the base, a welding head arranged at one end, far away from the base, of the mechanical arm, and adsorption equipment and an adjusting assembly arranged on the outer side of the welding head, and the adsorption equipment is connected with the adjusting assembly. According to the automatic welding robot capable of preventing the welding slag from falling onto the workpiece, adsorption equipment is arranged, a lower cover covers the outer side of a welding brazing rod, in this way, during welding, a suction pump is started firstly, the splashed welding slag is guided by airflow to enter the lower cover from adsorption holes, then the welding slag flows out of an external connecting pipe, the welding slag can be collected, the welding slag is prevented from being splashed onto the workpiece, and the welding slag is prevented from falling onto the workpiece. And meanwhile, the cleaning assembly scrapes the welding slag attached to the inner walls of the lower cover and the covering channel, so that the welding slag can be continuously attached to the inner walls of the lower cover and the covering channel, and the collecting effect on the welding slag is enhanced.

The invention discloses a tank body assembling and welding device, and relates to the technical field of welding equipment, the assembling device comprises a left assembling clamping mechanism and a right assembling clamping mechanism, the left assembling clamping mechanism and the right assembling clamping mechanism are arranged on a base and are oppositely distributed, and each assembling clamping mechanism comprises a sliding clamping seat arranged on the base; the sliding clamping bases are driven by a clamping power unit arranged on the base to be arranged in a sliding mode, end socket clamps used for clamping end sockets are arranged at the close ends of the two sliding clamping bases, and the two end socket clamps clamp the end sockets to be close to each other to be assembled with the barrel. The assembling and jacking mechanism is arranged on the base and located between the two assembling and clamping mechanisms, and the assembling and jacking mechanism is used for supporting and jacking the barrel, so that the barrel is aligned with the sealing heads at the two ends of the barrel; the welding device comprises a pre-welding mechanism and a welding mechanism and is used for welding the end socket and the barrel which are assembled. Therefore, the problem of tank body welding in the prior art is solved, the tank body welding efficiency is improved, the welding quality is improved, the labor intensity is relieved, and the labor cost is reduced.

The invention discloses a silicon carbide inverter direct-current welding machine welding system and method based on an intelligent mobile platform. The welding system comprises the intelligent mobile platform, an inverter direct-current welding machine body, a gas shielded wire feeder, a wire reel, a welding gun, a welding gun adjusting device, a grounding device and a cable storage assembly. The intelligent moving platform can accurately move to a welding station, the inverter direct current welding machine body and the gas shield wire feeder are installed on the platform, the welding gun is connected through a cable, the position and posture of the welding gun are accurately adjusted through the welding gun adjusting device, the grounding device ensures reliable welding grounding, and the cable storage assembly manages the cable. The system has the advantages of being accurate in movement, accurate in welding gun adjustment, efficient in cable management, reliable in grounding, high in system integration degree, convenient and fast to operate and the like, and the welding quality and efficiency can be effectively improved.

The invention relates to the technical field of robot welding guns, in particular to a robot welding gun neck capable of reducing wire feeding resistance. The robot welding gun neck comprises an outer pipe and an inner pipe, the inner pipe is a special-shaped pipe, a wire feeding channel extending in the axial direction of the inner pipe is arranged on the upper portion of the inner pipe, and a notch is formed in the bottom side of the wire feeding channel; a set of idler wheels are arranged in the wire feeding channel, and welding wires can penetrate through cavities between the idler wheels and the notches. The structural form of the inner pipe and the outer pipe is adopted, the special grooves are designed in the inner pipe to serve as wire feeding channels, the roller sets are placed in the grooves, sliding friction with large resistance in the wire feeding process is changed into rolling friction with low resistance through the roller sets, and therefore the wire feeding stability is improved.

The invention provides a control method and device for constant-arc-length welding of an aluminum alloy welding wire with the diameter of 1.6 mm, and relates to the technical field of aluminum alloy welding. The control method for constant-arc-length welding of the aluminum alloy welding wire with the diameter of 1.6 mm is applied to a consumable electrode type welding method and comprises a plurality of continuous welding periods. Each welding period comprises a pulse welding period and an arc loop detection period formed after the pulse welding period; the electric arc loop detection period comprises a welding wire forward feeding period, a first electric arc detection period, a second electric arc detection period and a welding wire withdrawing period. By means of the synergistic effect of combination of multi-stage speed control and current adjustment, the pulse arc length is accurately maintained in the welding wire withdrawing period, controllability and arc length stability in the droplet transition process are achieved, the problems of arc drift, wire adhesion and poor welding bead forming in the prior art are effectively solved, and the welding quality is improved. The arc length can be accurately controlled, the wire sticking phenomenon is reduced, and the welding stability is improved.

The utility model discloses an all-position welding device. The all-position welding device comprises a welding track; the walking mechanism is movably arranged on the welding track; the arc pressing mechanism is connected with the walking mechanism; the welding gun mechanism is connected with the arc pressing mechanism, and the arc pressing mechanism is used for driving the output end of the welding gun mechanism to be close to or away from the to-be-welded part; the wire feeding mechanism is connected with the walking mechanism, and the wire feeding mechanism is used for conveying welding wires; the guide mechanism is connected with the welding gun mechanism, and the guide mechanism is used for guiding the welding wire to the welding position of the to-be-welded part; and the camera shooting mechanism is connected with the guide connector, and the camera shooting mechanism is arranged towards the welding position. Through the application of the all-position welding device, the all-position welding device suitable for pipeline welding is provided, the adaptable pipe diameter range is large, all the mechanisms of the all-position welding device are designed in a modularized mode, dismounting and mounting are convenient, the maintenance time and the replacement cost are reduced, and the overall weight of the all-position welding device is low.

The double-arc double-wire submerged arc welding device comprises a portal frame connecting piece, an arc welding support is arranged on one side of the portal frame connecting piece, a through hole is formed in the top of the arc welding support, wire feeding devices are symmetrically arranged on the top of the arc welding support, motors are arranged on the two sides of the pair of wire feeding devices, and the motors are arranged on the two sides of the pair of wire feeding devices. A welding gun fixing rod is assembled at the bottom of the arc welding support, a pair of welding gun clamping pieces is arranged on the welding gun fixing rod, and a first welding gun and a second welding gun are arranged on the pair of welding gun clamping pieces respectively. According to the device, double-arc welding can be achieved, the height and the included angle of the welding gun can be flexibly adjusted, and the welding penetration depth is accurately controlled. According to the device, while the welding efficiency and the welding quality are guaranteed, the personal error in the welding process can be reduced, the control capability on the welding penetration depth is remarkably improved, the personnel safety is guaranteed, and the overall use performance of equipment is improved.

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.

The utility model discloses a welding gun correcting device of an arc welding robot. The welding gun correcting device comprises two clamping structures and a correcting structure, wherein the two clamping structures are installed on the upper surface of a movable base and used for clamping a welding gun structure, and the correcting structure is installed on the upper surface of a fixed base. The welding gun structure is clamped and fixed through the clamping structure, the welding gun structure penetrates through the inner side of the first extrusion wheel and the inner side of the second extrusion wheel, the second electric push rod is controlled to extend, the ejector block is ejected out, and the inclined face of the upper surface of the ejector block enables the sliding block to slide upwards; in the upward sliding process of the sliding block, the lower surface of the welding gun structure is extruded through a first extrusion wheel at the upper end, and meanwhile, in the upward sliding process of inclined planes on the two sides of the sliding block, the lower end of the connecting rod is extruded outwards, so that the upper end of the connecting rod rotates inwards around the connecting point of the connecting rod and the fixed frame; accurate correction and fixing of the welding gun structure are achieved, the positioning accuracy and the welding stability of the welding gun are improved, and therefore the working efficiency and the welding quality of the arc welding robot are improved.