1771 results about "Slag (welding)" patented technology

The invention discloses an automobile tubular part inner wall supporting type laser welding device and technology, and relates to the technical field of automobile tubular part machining, the automobile tubular part inner wall supporting type laser welding device comprises a pipe welding base, an inner wall self-adaption supporting unit and a vertical displacement adjusting assembly, radial guide bases are connected to the two sides of the pipe welding base, and a synchronous servo motor is installed on the outer side of the pipe welding base; an internal driving screw rod and a guide sliding rod drive a stroke frame and a bearing supporting plate to achieve radial positioning of the supporting unit, the inner wall self-adaptive supporting unit comprises a driving cabin and a synchronous power source, transmission is achieved through a lead screw, a transmission fluted disc and a vortex transmission cylinder, a sliding adjusting sleeve is pushed, a supporting rod drives an arc face attaching lining plate to open and attach to the inner wall of the tubular part, and the tubular part is fixed. A vertical displacement adjusting assembly is arranged in a frame supporting beam, a variable frequency motor and a fine adjustment motor drive a guide screw rod and a screw rod correspondingly, alignment of a laser welding head is adjusted, a welding slag collecting groove in the center of a base and a detachable storage box are convenient to remove slag, and the welding machine is suitable for welding of tubular parts of multiple specifications.

The utility model relates to the technical field of welding assistance, and discloses a novel portable fire welding bucket in order to solve the problems that in the prior art, the size is large, and carrying is not easy. Comprising a fire receiving rod, a folding framework used for supporting an umbrella cover is arranged at the lower end of the fire receiving rod, a high-temperature-resistant fire receiving surface used for preventing welding slag from falling off is arranged on the folding framework, and a multifunctional connecting device used for fixing a fire receiving bucket is arranged at the upper end of the fire receiving rod. The buckle adjusting assembly is opened, the buckle adjusting assembly pushes upwards, the opening angle of the folding framework is adjusted according to the angle needed by welding, at the moment, the folding framework is fixed through the buckle adjusting device, the fire receiving face is opened along with opening of the folding framework, and after the folding framework is opened, the fire receiving face is closed. The multifunctional connecting device is used for fixing the steel beam at the top to fix the fire welding bucket. The device is unfolded and contracted in an umbrella shape, and is in a stick shape when folded, so that the device can be folded, and is convenient to carry during construction.

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 discloses double-face longitudinal submerged arc welding steel pipe manufacturing equipment, and relates to the technical field of longitudinal submerged arc welding, the double-face longitudinal submerged arc welding steel pipe manufacturing equipment comprises a base and a storage rack, the top of the base is provided with two second sliding rails and two walking mechanisms, the tops of the two walking mechanisms are fixedly connected through a portal frame, and the inner side of the portal frame is provided with a welding flux recycling structure; the welding flux recycling structure comprises a hollow storage box, the hollow storage box is fixedly connected with the portal frame through a plurality of mounting frames, two notches are formed in the inner side of the hollow storage box, a conveying belt is arranged in the hollow storage box, and a sawtooth belt is fixedly connected to the outer portion of the conveying belt. And a motor I is arranged outside one mounting frame. By means of the double-face longitudinal submerged arc welding steel pipe manufacturing equipment, the problem that welding flux or welding slag pieces cannot be completely recycled can be solved, and meanwhile the problem that two end areas of a steel pipe need secondary supplementary welding can be solved.

The invention relates to the technical field of welding devices, and discloses a low-alloy structural steel welding device capable of cleaning surface welding slag, which comprises a welding frame, a rotating frame is rotatably mounted on the welding frame, a driving gear ring is rotatably mounted on the rotating frame, and a feeding and discharging station, a preheating station, a welding station and a slag cleaning station are sequentially arranged on the welding frame in the anticlockwise direction. A guide shaft is rotationally mounted at the position, corresponding to the slag removal station, of the welding frame, a guide gear meshed with the driving gear ring is mounted on the guide shaft, and four welding systems are mounted on the welding frame. Through differential meshing design of the fan gear and the driven gear and in combination with an elastic reset mechanism of the torsional spring, the cleaning frame generates a circulating switching mode of'high-frequency small-amplitude vibration 'and'low-frequency large-amplitude vibration' at the slag cleaning station, the high-frequency vibration can accurately crush loose welding slag, the low-frequency vibration can effectively shake off the firmly attached welding slag, and therefore the welding slag cleaning efficiency is improved. And the two modes alternately act to cover welding slag characteristics generated by different welding processes.

The invention relates to the field of correction machining, in particular to a panel correction device for steel box girder machining, which comprises a machine body and a conveyor arranged at the front end of the machine body, and further comprises at least one supporting plate arranged on the machine body and close to the conveyor; the movable support is composed of two swing arms symmetrically hinged to the bottom of the supporting plate and a connecting frame connected with the two swing arms. Before a steel plate is gripped into the straightening roller, the polishing roller linked with conveying is used for automatically cleaning the upper surface and the lower surface of the panel, hard pollutants such as oxide skin and welding slag are thoroughly removed, the polished pollutants are blocked by the scraping plate, and the polishing efficiency is improved. Therefore, the problem that hard objects are pressed into the surface of the straightening roll to form pits and indentations under huge straightening pressure is fundamentally avoided, abrasion of the straightening roll is remarkably reduced, maintenance cost and time for frequently stopping for grinding or replacing the roll are reduced, meanwhile, the clean plate surface also prevents contaminants from scratching the surface of a subsequent workpiece, and the service life of the workpiece is prolonged. And the surface quality of the steel box girder finished product is improved.

The invention discloses an inclined extrusion rack of a large-diameter cold-bending hollow section steel extrusion forming device, and belongs to the technical field of cold-bending hollow steel pipe machining. The inclined extrusion rack comprises a rack body, a feeding assembly is arranged on the right side of the rack body, a cut inclined feeding roller is arranged on the feeding assembly, and a working plate is connected to the inner wall of the rack body through bolts; and the lower surface of the working plate is fixedly connected with a lower connecting plate. According to the large-diameter cold-bending hollow profile steel extrusion forming device, in the working process, the rack body is fed through the feeding assembly, machining is completed in the rack body, at the moment, a scraping plate plays a role in scraping welding waste, meanwhile, a motor works, at the moment, a cleaning plate can move in the vertical direction, welding slag can be efficiently cleaned, and the working efficiency is improved. And meanwhile, the cleaning plate moves in the horizontal direction along the workpiece, welding slag can be swept down, the cleaning effect is better, the welding slag is not left, and the working efficiency is high.

The invention discloses a welding slag ladle for containing copper slag and a design method. The welding slag ladle is suitable for containing, cooling and inverted placing procedures of high-temperature copper slag. The cinder ladle comprises a cylinder body, a ladle bottom, rib plates, trunnions and supporting legs, the cylinder body and the ladle bottom are formed by welding high-temperature-resistant and high-strength rolled plates, the thickness of the cylinder body is 70-100 mm, and the thickness of the ladle bottom is 80-120 mm; setting an inclination angle beta of 11.5-21 degrees relative to the center line of the bus of the cylinder body, and controlling the roughness of the inner wall to be less than or equal to 12.5 microns so as to reduce the separation resistance after the copper slag is cooled; thickness combination, stress distribution, deformation and rib plate arrangement are optimized through structural mechanical simulation, and it is ensured that the structural strength meets the requirements under high temperature and thermal cycle loads; full penetration weld joints are adopted, nondestructive testing is carried out, and the welding reliability is guaranteed; compared with a traditional casting cinder ladle, the mass of the cinder ladle is reduced by 10%-15%, the deslagging efficiency is improved, the service life is prolonged to more than two times of the original service life, and the cinder ladle has the advantages of being light in structure, high in bearing capacity, high in deformation resistance and good in maintainability.

The invention discloses a ship body pipe fitting welding device for ship manufacturing, relates to the technical field of welding devices, and solves the problems that the contact area of a ship body pipe fitting welding point location is small, the bearing capacity of a welding position is weak, the later repair rate is high, and the service life is short. The ship body pipe fitting welding device for ship manufacturing comprises a device rack; the pipe fitting conveying assemblies are mounted on the two sides in the device rack; and the butt welding seam structure is mounted in the center of the interior of the device rack and located between the two pipe fitting conveying assemblies. According to the method, the mode that the weld joint is reserved and the groove is ground is adopted, the edge defects of the ship body pipe fitting can be eliminated, it is ensured that the root of the weld joint is completely penetrated, and the defect risks of incomplete penetration, slag inclusion and the like are reduced. Meanwhile, the concave part of the groove is polished, so that the effective welding seam area can be increased, the bearing capacity and structural integrity of the welding position of the ship body pipe fitting are improved, and the service life of the ship body pipe fitting can be effectively prolonged.

The invention relates to the technical field of welding, and provides slurry pump shell welding equipment which comprises a mechanical arm, a welding gun and a workbench, and further comprises at least two moving tables, a clamping seat, a profiling self-adaptive clamp system, a preheating part and a slow cooling system, and the welding gun is mounted at the movable end of the mechanical arm; the clamping seat is rotatably arranged on the moving table, the profiling self-adaptive clamp system is installed on the clamping seat and used for adaptively clamping the inner side and the outer side of a slurry pump shell, and the preheating part is installed at a welding gun and used for locally and precisely preheating the welding position. The slow cooling system and the profiling self-adaption clamp system are matched to conduct heat preservation and slow cooling on the slurry pump shell after welding, the slow cooling system comprises a heating bin and an air supply pipe, the heating bin is installed on a clamping base, and a heater and a draught fan are installed in the heating bin. According to the technical scheme, the technical problem that in the prior art, the preheating effect and the post-welding heat preservation and slow cooling effect are poor is solved.

The utility model provides high-speed and high-efficiency sealing nail welding equipment. The high-speed and high-efficiency sealing nail welding equipment comprises a feeding return line; the feeding assembly comprises a feeding mechanism; the cleaning assembly comprises a cleaning reference table and a laser cleaning mechanism; the nail feeding assembly comprises a nail distributing mechanism, a nail feeding detection mechanism and a nail feeding mechanism; the welding assembly comprises a pre-welding mechanism and a plurality of welding mechanisms; the plurality of welding mechanisms are positioned on the rear side of the pre-welding mechanism so as to weld and process the pre-welded battery; the removing assembly comprises an NG nail removing mechanism; the detection assembly is a detection mechanism for detecting the battery; the discharging assembly comprises a discharging mechanism; the automatic welding machine is high in automation degree, machining precision and working efficiency, welding slag at the welding position of the battery can be removed, the over-welding rate of post-welding detection is reduced, meanwhile, missing welding can be effectively prevented, the welding quality is improved, the nailing assembly can efficiently nail the battery and detect the nailing quality, and the one-time welding optimal rate is greatly improved.

The invention discloses a laser cutting device for steel plate machining, and particularly relates to the technical field of laser cutting, the laser cutting device for steel plate machining comprises a supporting leg and a storage box arranged on the side edge of the supporting leg and used for bearing a cut steel plate, and the upper portion of the supporting leg is provided with a plurality of first racks which are parallel to one another and used for supporting the steel plate to be cut; a cutting platform is further arranged on the upper portions of the supporting legs, a protective frame used for bearing slag generated in the welding process is further arranged below the supporting legs, and a jacking mechanism is arranged on the rear portion between the protective frame and the first rack. According to the laser cutting device for steel plate machining, a cut steel plate is turned over and slides into the storage box to be collected in the process of removing slag on the surface of the first rack through the arranged slag removing mechanism, and the phenomenon that scratches are formed on the surface of the steel plate by tooth tip edges of the first rack due to traditional manual dragging discharging is avoided; meanwhile, heavy physical labor is replaced, and the manual labor intensity is reduced.

The utility model discloses an aluminum template welding tool which comprises a working table, supporting legs are fixedly connected to the bottom of the working table, a mechanical arm is arranged above the working table, a welding head is fixedly connected to the bottom of the mechanical arm, and a hollow column is arranged below the welding head. The utility model relates to the technical field of aluminum template processing, and the aluminum template welding tool realizes convenient cleaning of welding slag on the surface of the workbench through the cooperation among the motor, the first chain wheel, the second chain wheel, the chain, the stand column, the transverse plate, the cleaning brush and the scraper, and solves the problem that the welding slag on the surface of the workbench is difficult to clean in the process of welding the aluminum template by the existing welding tool. The problems that some welding slag can be generated and can fall on the surface of the workbench, workers need to clean the welding slag on the surface of the workbench, the workers are troublesome to clean, the cleaning time is long, and therefore the welding slag on the surface of the workbench is inconvenient to clean are solved.

The utility model discloses an assembly type large pipeline assembly clamping platform, which relates to the technical field of pipeline processing, and comprises a cabin and a first bracket, one side of the first bracket is connected with a second bracket through a torsion spring shaft, the top of the second bracket is connected with a propping wheel, and electromagnets are arranged at the lower parts in the first bracket and the second bracket. Through the arrangement of the second support, the torsion spring shaft, the abutting wheel, the rapping bar, the spring and the electromagnet, welding work is started at the top of the flange plate, the flange plate is driven by the three-jaw chuck to rotate, welding slag rotates to the bottom of the flange plate, at the moment, the electromagnet is started and stopped in a reciprocating mode, and magnetic attraction force is generated after the electromagnet is started to drive the rapping bar to move downwards and compress the spring; after the electromagnet is closed, the rapping bar is bounced by the spring, so that the rapping bar impacts the welding slag, and the welding slag is knocked off; the welding slag can be conveniently and automatically removed, so that the welding slag can be knocked off by workers without rotating the three-jaw chuck for multiple times, the assembly efficiency is improved, and the labor of the workers is reduced.

The invention discloses a welding machine for stainless steel pipeline pipe fitting machining, and belongs to the technical field of stainless steel pipeline welding. The welding machine comprises a machine body, a vertical plate is arranged on the upper surface of the machine body, a motor is connected to the surface of the vertical plate through bolts, a mechanical arm is arranged on the upper surface of the machine body, and the machine body completes welding through the mechanical arm; the output end of the motor is fixedly connected with a connecting shaft; a supporting block is arranged on the upper surface of the machine body, and a long pin is rotationally arranged in the supporting block. According to the welding machine for stainless steel pipeline pipe fitting machining, when a pipeline needs to be clamped, the pipeline is placed on a lower clamping plate, then an upper clamping plate is rotated, after an auxiliary plate enters a connecting block, a clamping block enters a clamping groove, at the moment, the pipeline is clamped and fixed through the upper clamping plate and the lower clamping plate, and in the working process, a motor can drive the pipeline to rotate; and meanwhile, the cleaning plate is in a working state, so that the welding slag is not adhered to the machine body, and the cleaning of workers is facilitated.

The invention discloses laser positioning / welding and laser cleaning synchronous integrated equipment and a laser positioning / welding and laser cleaning synchronous integrated method. The equipment realizes real-time positioning and automatic focusing based on welding seam tracking and optical signal processing, links two lasers to synchronously emit welding and cleaning light beams, acts on a welding pool at the same time, and is matched with shielding gas pre-injection, smoke discharge and slag removal and a special clamp to remove impurities in the welding pool in real time, generate micro-vibration stirring and promote grain refinement in the welding process. According to the equipment, key links such as workpiece clamping and positioning, automatic focusing, welding and cleaning are combined, the technological process is greatly simplified, and the compactness and the mechanical property of a welding seam of a plated part are improved.

The invention belongs to the technical field of battery resistance welding, particularly relates to an automatic cleaning and recycling device for welding slag in the battery resistance welding process, and aims to solve the problems that the welding slag after splashing and melting is easy to adhere to the surface of a battery to form hard residues after being cooled, so that the welding slag cannot be cleaned and collected easily. A sliding groove fixing frame is fixedly connected to the upper portion of the resistance welding tool table. The control box is arranged below the resistance welding tool table, a limiting rail is slidably connected to the sliding groove fixing frame, and a lifting sliding seat is slidably connected to the interior of the limiting rail; the welding air cylinder is fixedly connected to one side of the limiting rail. The automatic cleaning and recycling device for the welding slag in the battery resistance welding process has the effects that splashing molten metal is blocked, meanwhile, hard residues are prevented from being formed on the surface of a battery module due to cooling of the molten metal, and cleaning and collecting of the welding slag generated in the battery resistance welding process are facilitated.

The invention discloses a rotating disc type multi-station magnetic head spot welding machine with a welding fume purification effect, and relates to the technical field of spot welding machines. A welding machine; the welding fume purification mechanism is used for collecting solid residues in welding fume, the gas box is fixedly connected to the outer surface of the welding fume purification mechanism, the welding fume purification mechanism is arranged, so that the welding fume generated during spot welding of the magnetic head can be purified, particulate matter and disintegrating residues generated during spot welding can be collected, and the welding fume purification efficiency is improved. In the subsequent discharging process, the collected particulate matter and disintegrating slag can be effectively discharged, and the particulate matter and disintegrating slag are prevented from leaking; the multi-station placing mechanism is used for placing a plurality of magnetic heads, and by arranging the multi-station placing mechanism, the plurality of magnetic heads needing spot welding can be placed at the same time, so that when spot welding work is conducted on the magnetic heads, the effect of continuous work can be achieved, and the effect of fully purifying welding fume generated by spot welding is achieved.

The invention discloses a movable steel pipe fitting welding device for road and bridge construction, and particularly relates to the technical field of welding devices.The movable steel pipe fitting welding device comprises a welding moving trolley, a fixing assembly is arranged in the middle of the upper end of the welding moving trolley, a driving assembly is arranged in the fixing assembly, and a welding assembly is arranged on the rear side of the driving assembly; alignment assemblies are arranged in the middles of the front side and the rear side of the fixing assembly. Through cooperation of a first friction wheel, a second friction wheel and different one-way rotating shafts, position exchange of an upper cleaning structure and a lower cleaning structure is achieved, it is guaranteed that slag removal operation can be conducted immediately after welding is continuously conducted in the two directions, and through meshing cooperation of a second gear and an arc-shaped gear ring, a welding head is driven to annularly move around a steel pipe along an arc-shaped guide rail; and similarly, the pneumatic chipping hammer, the grinding machine and the steel wire brush are matched to ensure that each layer is cleaned immediately after being welded, and critical defects such as incomplete fusion and slag inclusion among the layers are reduced.

The invention discloses a multi-robot path planning method for an electric arc additive manufacturing system. The multi-robot path planning method comprises the specific steps that a three-dimensional model is obtained, slicing and layering are conducted, environment information is obtained, and environment modeling is conducted; determining an ideal task load; performing matrix iteration, and optimizing the current task load; constructing a minimum spanning tree, and generating a two-dimensional optimal task path of each robot; and performing three-dimensional conversion and asynchronous execution. Compared with the prior art, the method has the advantages that the form requirement of an actual additive manufacturing path is fully considered, the process defects of air holes, insufficient fusion, slag inclusion and the like in the manufacturing process are effectively reduced, and the problems of region segmentation and deposition path planning in an electric arc additive manufacturing (WAAM) task cooperatively executed by multiple robots are successfully solved; and therefore, high-quality additive manufacturing of the component is realized. Meanwhile, the path design strategy proposed in the method avoids the start-stop operation of the welding gun, ensures the parallelism and independence of each robot path in the three-dimensional space, and further improves the operation efficiency and stability of the system.

The invention relates to metal part welding equipment which comprises an operation table, a fixing clamp is movably installed at the top end of the operation table, a sliding rod is slidably installed in the operation table, a telescopic rod is movably installed at the upper end of the sliding rod, a laser welding head is installed at the end of the telescopic rod in a rolling mode, and a cleaning box is fixedly installed on the outer wall of the lower end of the laser welding head. The cleaning box comprises a replacement block movably mounted on the side wall of the cleaning box; the power roller is mounted in the replacement block in a rolling manner; a power roller is fixedly mounted at the end part of the power roller; the cleaning roller is installed in the replacement block in a rolling mode, and a plurality of cleaning bristles are fixedly installed on the outer wall of the cleaning roller; a sliding rod moves to drive a power roller in a cleaning box to rotate, the power roller rotates to drive cleaning bristles to rotate to clean unwelded parts, the unwelded parts of a workpiece are kept clean, a detection sliding plate can detect welding slag of the unwelded parts, and therefore a grinding roller is driven to clean the adhered welding slag; and the welding quality is improved.

The application discloses a kind of valve automation welding tool, it is related to valve welding technical field.The present application includes bottom plate, the surface of the bottom plate is slidably connected with mounting bracket and the hollow sliding box in the inside, the upper surface of the bottom plate is fixedly connected with installation box, the top of installation box is fixedly connected with welding robot for welding, the upper surface of the bottom plate is fixedly connected with air cylinder, and one end of air cylinder piston rod is fixed with mounting bracket;The side of the sliding box is fixedly connected with suction hood, and the side of the suction hood is fixedly connected with corrugated pipe for air extraction, the side of the sliding box is rotatably connected with penetrating shaft, and one end of the shaft is fixedly connected with top disc.The present application can receive welding slag by sliding box, prevent welding slag from splashing, improve the safety of the scene, the wind power generated by air extractor can quickly cool the welding slag, reduce the time of dangerous source existence, facilitate people to collect and process, and filter air.

The invention relates to the technical field of titanium alloy investment precision casting, and particularly provides a titanium alloy multistage deep blind hole investment casting method which comprises the following steps: designing an exhaust hole and a slag removal hole; establishing a model; assembling and welding; soaking the surface layer in a vacuum negative pressure environment, continuously vacuumizing, deflating after soaking, taking out the module, and rotating to uniformly control the slurry; preparing a surface layer; performing segmented grouting on the deep blind hole; making a shell from a back layer; roasting and molding; washing and drying; pouring is conducted; shell cleaning and sand blasting; sealing and welding the process holes; and performing stress relief annealing. And a dynamic vacuumizing means is adopted, and a vacuumizing device is always kept in an open state, so that the compactness of a surface layer is improved, and burrs of a casting are reduced. Through vacuum dynamic slurry immersion, segmented grouting and collaborative design of the exhaust hole and the slag removal hole, investment precision casting forming of the high-precision oil pump shell can be supported, the shell manufacturing efficiency of the multi-stage deep blind hole is improved, and the filling defect rate is reduced.

The invention discloses welding equipment for an oil return pipe of a turbocharger, and relates to the technical field of machining of oil return pipes of turbochargers. The welding equipment for the turbocharger oil return pipe comprises a fixed chassis, a three-jaw chuck is arranged at the top of the fixed chassis, an internal cleaning assembly is fixedly connected to the top of the fixed chassis, and an external cleaning assembly is fixedly connected to the top of the fixed chassis. According to the welding equipment for the turbocharger oil return pipe, a first spiral plate is driven to rotate, airflow flowing downwards is generated in the turbocharger oil return pipe, a movable rod is matched to drive a friction steel wire to rotate and move up and down at the same time, and the inner wall of the turbocharger oil return pipe is brushed; the airflow promotes discharge of welding slag in the oil return pipe of the turbocharger, so that the welding slag can be brought into the filter screen cylinder by the airflow, and the situation that the welding slag is left in the oil return pipe of the turbocharger, influences use of the oil return pipe of the turbocharger and influences welding quality is avoided.

The utility model discloses an ultrasonic phased array detection device for a circumferential weld, which comprises a frame used for placing a workpiece; the detector is used for detecting a welding seam; the oscillator oscillates the welding seam when approaching the welding seam; the spray head blows external high-pressure gas to a welding seam; and the moving assembly drives the detector, the oscillator and the spray head to move in the hemispherical space. The beneficial effects of the utility model are that through cooperative operation of the moving assembly and the arc-shaped assembly, multi-angle detection of a workpiece is facilitated, and the detection precision is effectively improved; and through the combined action of the oscillator and the spray head, welding slag can be conveniently cleaned, and the detection precision is indirectly improved.

The invention relates to the technical field of pipeline welding, and discloses a water conservancy construction pipeline welding device which comprises a supporting and retracting driving mechanism, a clinging inner supporting mechanism is installed on the surface of the supporting and retracting driving mechanism, a liner blocking mechanism is installed on the surface of the clinging inner supporting mechanism, and tracking rotating mechanisms are arranged at the two ends of the supporting and retracting driving mechanism. And a pipeline inner supporting mechanism is arranged at one end of the tracking rotating mechanism. According to the welding device for the water conservancy construction pipeline, through the arrangement of the supporting and retracting driving mechanism, the clinging inner supporting mechanism, the liner blocking mechanism, the tracking rotating mechanism and the pipeline inner supporting mechanism, the supporting and retracting driving mechanism can be used for applying radial driving force to the clinging inner supporting mechanism, so that the inner supporting mechanism generates controllable radial expansion; and then the liner blocking mechanism is pushed to be tightly attached to the inner wall of the pipeline welding seam, a permeation path of welding slag is effectively blocked, the retention amount of the slag in an inner cavity of the pipeline is remarkably reduced, and therefore the difficulty of post-welding cleaning operation is greatly reduced.

The invention provides a robot grinding and polishing method and system for titanium alloy casing runner welding slag. The system comprises a robot, a robot controller, a six-dimensional force sensor, a displacement sensor, a three-dimensional scanner, a belt sander and a workbench. The method comprises the following steps: firstly, fixing a casing on a workbench, positioning the casing by using a displacement sensor, scanning a casing flow channel by using a three-dimensional scanner to obtain a flow channel welding slag distribution state, grasping a belt sander by using a robot equipped with a six-dimensional force sensor, carrying out gravity calibration on the belt sander before grinding and polishing, and carrying out welding slag distribution on the belt sander; and the gravity of the belt sander is compensated according to the calibration result. Three-dimensional software is used for dividing a flow channel area, a machining path is calculated through an off-line trajectory planning method, a robot executable machining program is generated through post-processing for grinding and polishing, in the grinding and polishing process, in order to adapt to the complex curved surface of the cartridge receiver flow channel, real-time adjustment is conducted according to the contact force value of a tool and a workpiece, and the contact force value is transmitted to a robot controller; the removal amount can be determined, the roughness is guaranteed, and the surface quality is improved.

The utility model provides a numerical control four-corner welding machine with upper and lower V-shaped welding seams and arc-shaped outer corners, which belongs to the field of plastic steel welding machines, and comprises a lathe bed, a left cross beam and a right cross beam which are parallel to each other are connected onto the lathe bed, two ends of the left cross beam are respectively connected with a machine head, two ends of the right cross beam are respectively connected with a machine head, and the four groups of machine heads can slide along the Y direction; the machine head comprises a machine head bottom plate, two pressing assemblies are symmetrically arranged on the machine head bottom plate, and a positioning assembly is slidably connected between the two pressing assemblies in the Z direction. A heating assembly is arranged on the machine head bottom plate and can be used for heating and melting the sectional material fixed by the pressing assembly; a milling assembly is further arranged on the machine head bottom plate; the left cross beam and the right cross beam are further provided with a feeding assembly for conveying the sectional materials to move in the Y direction. Through the cooperation of the pressing assembly and the positioning assembly, welding seams of the upper plane and the lower plane are small V-shaped concave faces during welding, little welding slag is generated, the welding seams are uniform and attractive, and the machining efficiency is high.

The utility model relates to the technical field of steel pipe welding, in particular to a submerged arc welding machine for steel pipe straight seam welding, which comprises a steel pipe placing seat, a welding mechanism arranged on the rear side of the steel pipe placing seat, and a welding flux recovery mechanism comprising a recovery cover positioned on the upper side of the steel pipe placing seat. And a scraping plate for removing slag shells is fixed at the bottom of the inner wall of the recovery cover. A supporting plate in the welding mechanism drives a welding flux box, a welding gun and a welding flux recovery mechanism to move synchronously, slag shells formed by the welding flux are scraped in the moving process of a scraper, the procedure of independently cleaning the slag shells is omitted, the used welding flux is sucked into a recovery cover through a fan, then the used welding flux enters a processing box through a suction pipe, and the welding flux recovery efficiency is improved. Impurities in used welding flux are screened out through the filtering plate, the treated welding flux is pumped into the welding flux box through the discharging pipe by the conveying pump, synchronous circulating recycling of the welding flux is achieved, repeated conveying is avoided, and time is saved.

The invention relates to the technical field of laser cutting machines, and discloses a low-pressure oxygen cabin body laser cutting machine which comprises a multi-degree-of-freedom platform and a welding frame connected with the multi-degree-of-freedom platform and further comprises a calibration plate, a vertical moving frame, a horizontal moving frame and a main shaft rotationally connected to the welding frame. The output shaft end of the servo motor is in transmission connection with the main shaft through a synchronous belt, a vertical transmission module for driving the vertical moving frame to move up and down in a reciprocating mode is installed on the welding frame, a horizontal transmission module for driving the horizontal moving frame to move left and right in a reciprocating mode is installed between the horizontal moving frame and the vertical moving frame, and the reciprocating displacement strokes of the horizontal moving frame and the vertical moving frame are adjustable. Through a bidirectional adjustable reciprocating vibration mechanism of the vertical moving frame and the horizontal moving frame and in combination with a dynamic stroke adjusting function, high-frequency micro-amplitude vibration is generated when a laser beam acts on a material, so that the molten material is efficiently discharged, the smoothness of a cutting surface is improved by more than 40%, and the slag adhering rate is reduced to be less than 15% of that of traditional equipment.