377results about How to "Achieve welding" patented technology

The invention relates to the technical field of back contact batteries, in particular to a back contact battery assembly and a photovoltaic system.The back contact battery assembly comprises a battery string, the battery string comprises battery pieces connected in series, and the battery pieces comprise a first battery piece, a second battery piece and a first insulating strip, the first insulating strip is arranged at one end, close to the first battery piece, of the second battery piece, the first bus bar is arranged on one side, back on to the second battery piece, of the first insulating strip, the first insulating strip and the first bus bar are arranged in an extending mode in the second direction, and the first welding strip is used for electrically connecting the first bus bar and the first battery piece. The first insulating strip is provided with an extension section extending out of the first bus bar, the extension section extends out of the second battery piece, and in the thickness direction of the second battery piece, the orthographic projection of the extension section at least partially coincides with the orthographic projection of the first battery piece. According to the invention, the effective light-receiving area of the cell module can be increased, the conversion efficiency of the module is improved, the observed area of the bus bar from one side of the light-receiving surface is smaller and even can be completely hidden, meanwhile, the production difficulty can be effectively reduced, the risks of short circuit, subfissure and fragmentation of the cell piece are reduced, and the reliability is improved.

The invention relates to the technical field of back contact cells, and particularly discloses a back contact cell assembly and a photovoltaic system.The cell assembly comprises a cell string, a first insulating strip, a second insulating strip, a first electrode, a second electrode and a second electrode, the cell string comprises cells which are connected in series, the cells comprise a first cell and a second cell which are arranged in the first direction, and the first cell is arranged at the end of the cell string; the first insulating strip is arranged at one end, close to the first battery piece, of the second battery piece, the first bus bar is arranged on one side, back on to the second battery piece, of the first insulating strip, the first insulating strip and the first bus bar are arranged in an extending mode in the second direction, and the first welding strip is used for electrically connecting the first bus bar and the first battery piece. The end, close to the first battery piece, of the first bus bar is provided with an extension section, the extension section extends out of the edge of the first insulating strip in the first direction and is electrically connected with the first welding strip, and a connecting end is formed at the connecting position of the extension section and the first welding strip. According to the invention, the effective light-receiving area of the cell module can be increased, the conversion efficiency of the module is improved, the observed area of the bus bar from one side of the light-receiving surface is smaller, even the bus bar can be completely hidden and is more beautiful, meanwhile, the production difficulty can be effectively reduced, the risks of subfissure and fragmentation of the cell piece are reduced, and the reliability is improved.

The invention relates to the technical field of back contact batteries, and particularly discloses a back contact battery assembly, which comprises a battery string, a first insulating strip, a first bus bar, a second insulating strip, a second bus bar, a second bus bar, a third bus bar and a fourth bus bar, the first bus bar is arranged on the side, back on to the second battery piece, of the first insulating strip, the first insulating strip and the first bus bar extend in the second direction, the first welding strip is used for being electrically connected with the first bus bar and the first battery piece, and in the first direction, the two ends of the first insulating strip are provided with a first widened section and a second widened section which extend out of the edge of the first bus bar; the first widening section and the second widening section are sequentially arranged in the direction away from the first battery piece, and the width of the second widening section is smaller than that of the first widening section. According to the invention, the effective light-receiving area of the battery assembly can be increased, the conversion efficiency of the assembly can be improved, the observed area of the bus bar from one side of the light-receiving surface is smaller, even the bus bar can be completely hidden and is more beautiful, meanwhile, the production difficulty can be effectively reduced, the risks of short circuit, subfissure and fragmentation of the battery piece are reduced, the reliability is improved, and the double-sided rate of the battery assembly can be ensured.

The invention relates to the technical field of automatic cutting and receiving equipment, and discloses intelligent connection equipment for strip-shaped products and a connection method of the intelligent connection equipment. The intelligent connection equipment for the strip-shaped products is provided with a rack, and a discharging module, an automatic receiving module, a small buffering module and a control system for controlling the whole equipment to operate are sequentially arranged on the rack along a product advancing route. The automatic material receiving module comprises a welding moving platform, and a laser module, a tailing clamping jaw, a waste clamping module, a material stabilizing module, a driving wheel module and a reversing guide wheel are sequentially arranged on the welding moving platform along a product advancing route. The connection equipment is high in automation degree, intelligent identification and parameter switching can be carried out on different products, meanwhile, automatic connection quality detection and automatic reconnection after NG can be achieved, a production line is not stopped, and the efficiency is improved by 80%; after the products are automatically connected, the head and tail loss of the products is reduced; the joint removing procedure and cost of a rear-end automatic machine are reduced; meanwhile, human resources are saved.

The invention belongs to the technical field of welding clamping mechanisms, and particularly relates to a seamless steel pipe welding device for mechanical equipment machining, which comprises a machining platform, a sliding seat is slidably mounted on the machining platform, a supporting plate is arranged above the sliding seat, a lifting plate is arranged on the side wall of the supporting plate, and a sand plate slidably sleeves the lifting plate. A welding gun is further arranged on the machining platform. Two clamping mechanisms are arranged on the machining platform and used for clamping and fixing a steel pipe. A vertical grinding mechanism is arranged on the supporting plate. By arranging the vertical grinding mechanism and the transverse grinding mechanism, burrs on a steel pipe can be ground and removed in the horizontal direction and the vertical direction at the same time, and the seamless welding effect is improved; and by arranging the washing mechanism, water can be sucked in a reciprocating mode and sprayed to the sand plate, so that the burr removing work is smoother, and the ground burrs can be washed away.

The invention discloses an aero-engine flame tube head assembly welding clamp and welding method.The aero-engine flame tube head assembly welding clamp comprises a supporting assembly, an outer pressing assembly, a positioning assembly, an inner pressing assembly and an adjusting piece, the outer pressing assembly is arranged on the supporting assembly, and the positioning assembly comprises a positioning bottom plate and a positioning cone; the positioning bottom plate is in inserted fit with the supporting assembly in the vertical direction and forms a datum plane arranged in the horizontal direction, the outer wall face of the positioning cone is used for profiling an inner cone of the head of the flame tube so as to support a flow guide plate and further cooperate with the head of the flame tube to position the flow guide plate, and the inner pressing assembly is used for pressing and fixing the flow guide plate. The adjusting piece is used for adjusting a gap between two adjacent guide plates; compared with the prior art, one-time clamping and welding of a plurality of flow guide plates are achieved, the consistency of the flame tube head assembly is good, the welding efficiency is high, it can be ensured that the key size of the flame tube head assembly is qualified when the flame tube head assembly is welded and assembled, and the welding difficulty is greatly reduced.

The invention discloses hardware pipe welding equipment with high safety performance in the technical field of hardware pipe welding, which comprises a supporting unit comprising a base positioned at the bottom, two groups of supporting parts symmetrically arranged on two sides above the base, and threaded shafts correspondingly inserted in the center positions of the supporting parts in the vertical direction, the first driving motor is arranged on one side of the lower portion of the base, the workbench is arranged above the base in parallel, and the upper ends of the two sets of supporting components both penetrate through the workbench and extend upwards. A to-be-welded hardware pipe is stably clamped and fixed through the clamping unit, potential safety hazards existing in a hand holding mode are avoided, the safety performance of the device is improved, the clamping range can be correspondingly adjusted according to the use requirement, and the practicability is high. And the device can meet the working requirement for limiting and clamping hardware pipes of different sizes and specifications, the application range of the device is widened, and the use flexibility of the device is remarkably improved.

The invention relates to a pipeline welding device for a thermal power plant. The pipeline welding device comprises a frame body, an inner ring centering mechanism, an outer ring centering mechanism, an inner ring welding mechanism and an outer ring welding mechanism, the inner ring centering mechanism comprises a driving motor, a two-way screw rod, two auxiliary supporting seats, two plugs and a guide assembly; the two auxiliary supporting seats are installed on the frame body, the two-way screw penetrates through the two plugs, the two-way screw is rotationally connected with the auxiliary supporting seats, and the two plugs are connected to the two-way screw in a threaded mode; the driving motor is mounted on one of the auxiliary supporting seats; the inner ring welding mechanism comprises a supporting base, a lifting air cylinder and an inner welding machine. The supporting base is horizontally installed on the two-way screw, the lifting air cylinder is installed on the supporting base, and the internal welding machine is installed on a piston rod of the lifting air cylinder. By means of the inner ring centering mechanism and the outer ring centering mechanism, two pipelines of different sizes and specifications can be centered and fixed conveniently, welding of inner ring butt seams and outer ring butt seams of the pipelines of different sizes and specifications is achieved, and the welding quality of the pipelines is improved.

The invention discloses a conveying roller double-end-face welding device, and belongs to the technical field of welding equipment.The conveying roller double-end-face welding device comprises a mounting frame, and a rotating motor and a driving motor are fixedly mounted in the mounting frame; the welding mechanism comprises a welding gun, an adjusting mechanism and a guide rail connected to the front side of the adjusting mechanism; the pressing mechanism comprises a pressing plate, a first air cylinder, a linkage monitoring mechanism and two pressing wheels; and the welding seam monitoring mechanism comprises a monitoring plate, a monitoring wheel, a vertical plate, a vertical plate, a fixing plate and a pressure sensor. By means of the linkage monitoring mechanism, welding work can be stopped in time when it is monitored that loosening occurs during pressing and cleaning in the welding process, and the thickness and flatness of a welding seam can be monitored through the welding seam monitoring mechanism; and through the arranged inertia monitoring mechanism, welding work can be stopped in time to achieve positioning when welding seams are subjected to welding missing and welding lacking, troubleshooting and welding parameter adjustment are facilitated, and the welding quality is guaranteed.

The invention belongs to the technical field of battery manufacturing, and discloses a battery shell welding method and a battery shell. The battery shell comprises a cover plate and a shell, the cover plate comprises a body and a lap joint convex part, and the lap joint convex part is convexly arranged at the top of the peripheral side of the body; a containing cavity is formed in the shell and provided with an opening, the cover plate blocks the opening, the lap joint protruding part abuts against the top of the shell, and the outer edge of the lap joint protruding part is inwards staggered by a preset distance H relative to the outer edge of the side wall of the shell. And the lap joint convex part and the top of the body are fused and welded. For the cover plate provided with the lap joint convex part, after the outer edge of the lap joint convex part is inwards staggered by the preset distance H relative to the outer edge of the side wall of the shell, the lap joint convex part and the shell can be well welded by adopting a top welding method, so that the advantage of wide welding speed of top welding is reserved, and the advantage of side welding of preventing light from leaking into the battery is also achieved.

The invention belongs to the technical field of steel pipe frame welding, and particularly relates to a welding device for plant frame installation, an air pump is fixedly connected to the side wall of a lifting support, an adjusting assembly is connected to a bottom plate, and a vacuum type fixing unit is connected to one end of the adjusting assembly; the vacuum type fixing unit comprises a vacuum type depth fixing assembly, a vacuum type angle fixing assembly, a pushing detection assembly and an angle swinging assembly; the plasma welding head is driven to be close to the steel pipe, the plasma welding head is driven to rotate through flowing of airflow generated during air extraction, dynamic annular welding of the steel pipes in different shapes is achieved in the mode that telescopic guiding serves as the dynamic activity amount, and the side walls of the steel pipes are cleaned through high-pressure airflow before fixing in the airflow guiding mode; the situation that fixing errors occur due to stains on the steel pipes during fixing is avoided, and the steel pipes of different shapes are dynamically fixed in a vacuum adsorption mode.

The invention discloses an impact type rotating wheel welding structure based on robot welding and a using method of the impact type rotating wheel welding structure, and relates to the technical field of production and manufacturing of impact type rotating wheels, in particular to the impact type rotating wheel welding structure based on robot welding and the using method of the impact type rotating wheel welding structure. The root water buckets are arranged on the rotating wheel center body, and the external water buckets are arranged on the root water buckets; a butt welding groove is formed in the connecting face of the external water bucket and the root water bucket, and the welding groove is arranged to be a multi-section linear groove. The method has the advantages that the gradual change positions are designed into a plurality of fixed-angle positions, and the robot is adopted for multi-layer and multi-pass welding. A complex space gradient welding position is optimized into a plurality of fixed-angle welding positions, and parameter self-adaption in the robot welding process is simplified, so that robot welding is achieved, the welding quality of the impact type rotating wheel is guaranteed, and the cavitation erosion resistance of the rotating wheel is improved.

The invention discloses a high-precision friction stir welding machine, which relates to the technical field of friction stir welding and comprises a C-shaped rack formed by connecting an upper right-angle plate and a lower right-angle plate, a friction stir welding head movably connected with the upper right-angle plate in a suspension manner, and a positioning mechanism mounted in an opening area of the C-shaped rack, the two guide lines can change angles constantly along with radian change of the arc-shaped seam when walking along the welding seam, so that the friction stir welding head can change the tangency point position (transverse position) constantly under the force of the deviation rectifying swing part, the friction stir welding head can strictly move according to the tangency point position of the arc-shaped seam, the welding precision is high, and the welding efficiency is high. The device is suitable for irregular welding seam connection of a high-precision workpiece, is high in automation degree, can move strictly according to the tangent point position of an arc-shaped seam, can adaptively change along with the change of the radian, and also can adapt to welding seam welding of alternate arc-shaped seams and linear seams.

The utility model discloses a laser welding device which comprises a wire feeding gun head, a laser welding head, a power supply and a magnetic field module, the power supply, the wire feeding gun head, a welding wire and a workpiece form a direct current loop, a molten pool formed on the workpiece becomes an electrified conductor, and the magnetic field module can generate a magnetic field acting on the molten pool. During welding, current can be guided into a molten pool through a welding wire, molten metal in the molten pool is subjected to upward electromagnetic force through the action of a magnetic field, the electromagnetic force can balance the gravity of the molten metal, the metal steam pressure during welding and the like, the molten metal in the molten pool is prevented from dripping, and the quality of a formed welding seam is improved; besides the conductive function, the welding wire can also be used as filling metal, and under the action of laser energy, the welding wire is continuously melted and fills a molten pool, so that the gap adaptability in the welding process is good, and a formed welding seam is fuller.

The invention relates to the technical field of battery shell laser welding, in particular to square aluminum shell battery pack laser welding equipment which comprises a workbench, a welding mechanism is installed on the workbench, a clamping mechanism for clamping a battery is arranged on the workbench, a pressing mechanism for pressing a battery connecting piece is installed on the clamping mechanism, and a welding mechanism is installed on the workbench. The clamping mechanism is provided with a protection mechanism for protecting two electrode plates of a battery, the pressing mechanism abuts against the protection mechanism, a feeding mechanism is installed on the workbench, and an auxiliary mechanism is installed on the feeding mechanism. Before a battery is placed on the clamping mechanism to be clamped, the pressing mechanism is lifted to facilitate entering of the battery, placed battery connecting pieces correspond to the pressing mechanism, multiple sets of connecting pieces are clamped at the same time after the pressing mechanism is loosened, welding of the connecting pieces by the welding mechanism is not affected while clamping is conducted, and the situation that the welding position is not accurate enough is avoided.

The invention discloses a body-in-white autonomous welding method based on machine vision, relates to the field of automobile manufacturing and body-in-white welding, and solves the problems that the welding quality is influenced due to the fact that an existing welding robot depends on welding conditions, the flexibility is poor, the working efficiency of welding is reduced, the production cycle of a product is prolonged, and finally the production cost is increased. According to the method, the camera is calibrated, and the internal reference and the distortion coefficient of the camera are obtained; after obtaining a vehicle body image, extracting two-dimensional coordinates of centroids of feature points; according to the mass center two-dimensional coordinates and the feature point mass center three-dimensional coordinates of the vehicle body model, the coordinate conversion relation from a vehicle body coordinate system to a camera coordinate system is solved; hand-eye calibration is conducted, and the coordinate conversion relation from a camera coordinate system to a mechanical arm coordinate system is calibrated; the position coordinates of the welding spots are converted into a mechanical arm coordinate system from a vehicle body coordinate system, and a mechanical arm conducts welding. According to the method, the positions of all the welding spots do not need to be recognized, the calculated amount is reduced, and the requirement for hardware is lowered accordingly.

The invention relates to the technical field of titanium alloy chain welding, in particular to a semi-automatic argon arc welding machine for a titanium alloy chain, which comprises a moving pair, a chain adjusting device, a welding device and the titanium alloy chain, the bottom end of the moving pair is fixedly mounted on the ground, and two output ends are arranged at the top end of the moving pair; two chain adjusting devices used for clamping a titanium alloy chain and driving the titanium alloy chain to rotate are symmetrically and fixedly installed at the two output ends of the ball screw pair, and a welding device used for welding a chain ring seam in the titanium alloy chain is arranged between the two chain adjusting devices. The titanium alloy chain can be well welded, the defect of equipment for welding the titanium alloy chain in the prior art is overcome, and the limitation of large-scale application and popularization of the titanium alloy chain in the field of certain heavy equipment can be relieved.

The invention provides a welding system applied to a stainless steel rocket tank cylinder section outer stringer. The welding system comprises an inner supporting component and an outer pressing component. The inner supporting component comprises a circle supporting component which is used for conducting circle supporting on the cylinder section from the interior of the cylinder section. The end face, used for making contact with the cylinder section, of the circle supporting component is a molded face matched with the inner side face of the cylinder section. The external pressing part is used for pressing the stringer to the outer side face of the barrel section from the outside of the barrel section so as to weld the barrel section and the stringer. According to the welding system, stringers can be welded to the outer side faces of the barrel sections, and it can be ensured that the welding positions of the barrel sections or short barrels do not deviate in the whole welding process.

The embodiment of the utility model discloses a battery shell, a battery, a battery pack and electric equipment. The battery shell comprises a shell body, a flange edge and a terminal assembly, the flange edge is arranged on the circumferential edge of the shell, the terminal assembly is arranged on the shell, at least part of the terminal assembly is located on the outer side of the first surface of the shell, and the projection, facing the first surface, of the terminal assembly is at least partially overlapped with the projection, facing the first surface, of the flange edge. And one side, close to the flange edge of the shell, of the terminal assembly is provided with an avoiding part.

The utility model discloses a moving device of a welding cabinet body, which belongs to the field of structural design of the welding cabinet body, the moving device of the welding cabinet body sequentially supports a translation mechanism, a jacking and rotating mechanism and a turnover mechanism through a support frame, and the cabinet body to be welded firstly reaches the turnover mechanism through the translation mechanism; the overturning mechanism reduces the height of the cabinet body to be welded through overturning, the mechanical arm can conveniently move the supporting flat plate and the unshielded portion of the overturning tray to conduct welding, then the cabinet body to be welded is overturned to the original position and moved to the jacking rotating mechanism through the translation mechanism, the jacking rotating mechanism firstly pushes upwards, then rotates and then pulls down the cabinet body to be welded, and then the cabinet body to be welded is welded. The to-be-welded cabinet body is conveyed to the movable supporting flat plate again through the translation mechanism, the to-be-welded cabinet body is overturned through the overturning mechanism, and a mechanical arm or a worker is welded to the position shielded by the last movable supporting flat plate and the overturning tray, so that welding of all the welding positions of the to-be-welded cabinet body is achieved; compared with the prior art, the moving device is more labor-saving and more accurate.

The utility model discloses an auxiliary support for assembling a steel structure net rack on the ground. The auxiliary support comprises a base assembly, a middle column assembly, an inclined column assembly, a lifting device and a lighting device. Wherein the middle column assembly is installed in the center of the base assembly, a welding ball of the steel structure net rack is fixed to one side of the middle column assembly, the inclined column assembly is installed on the other side of the middle column assembly, the top of the inclined column assembly is connected with the middle column assembly, and the bottom of the inclined column assembly is fixed to the edge of the base assembly; the lifting device and the lighting device are both installed on the top of the middle column assembly. The auxiliary support is of a stable triangular structure formed by the middle column assembly, the inclined column assembly and the base assembly, the auxiliary support is flexibly applied to various different construction environments, a support body of the auxiliary support is light and convenient, the occupied site area is small, the auxiliary support can be effectively used in a site with a limited working face, and use of construction machines such as a conventional construction truck crane is reduced.

The invention discloses welding equipment and a using method thereof, and belongs to the technical field of plate welding, the welding equipment comprises machine bases, a conveying mechanism is arranged on the four machine bases of an infrared induction switch, a plurality of bearing mechanisms are arranged on the conveying mechanism and used for bearing plates to be welded, and the bearing mechanisms are conveyed by the conveying mechanism; the conveying mechanism is used in cooperation with the bearing mechanisms, the first mounting frame and the second mounting frame, conveying of the multiple bearing mechanisms is achieved through the conveying mechanism, then continuous conveying of the multiple plates is achieved, the bearing mechanisms are used in cooperation with the first mounting frame at the front side position, preheating before welding is achieved, the bearing mechanisms are used in cooperation with the second mounting frame, and welding after preheating is achieved. The bearing mechanism is used in cooperation with the first mounting frame at the rear side position, cooling after welding is achieved, the overall structure is compact, the pre-welding preheating procedure, the welding procedure and the post-welding procedure can be integrally carried out, and the welding operation efficiency is effectively improved.

The utility model relates to a multi-nut one-time welding machine which is provided with a machine frame, a welding power source is arranged in the machine frame, a lower electrode base is arranged on the lower portion of the machine frame, and an upper electrode base is arranged on the upper portion of the machine frame. The lower electrode holder is provided with a lower conductor which is connected and conducted with an electrode of a welding power supply; a plurality of conductive supporting tables are arranged at the top of the lower conductor; a plurality of sets of mutually independent upper electrode assemblies are arranged on the upper electrode seat and the mounting bracket; the upper electrode assembly is provided with a vertically downward conductive voltage column; the upper portion of the conductive pressing column is connected with an upper electric conductor, and a pressing driving element is installed above the upper electric conductor. The upper conductor is connected with a conductive contact, and a conductive driving element is mounted at the top of the conductive contact; and a conductive plate is arranged below the conductive contact. According to the utility model, the plurality of nuts are simultaneously fixed on the sheet metal part by utilizing the conductive pressing columns, then the conductive driving elements act in sequence, and the conductive pressing columns above the plurality of nuts are electrified in sequence by utilizing one welding power supply, so that the welding is realized.

The invention relates to the technical field of pipeline welding equipment, in particular to an automatic annularly-adjustable pipeline welding device and a welding technology.The automatic annularly-adjustable pipeline welding device comprises two detachable lantern rings, a welding machining area is formed between the two detachable lantern rings, each detachable lantern ring comprises a plurality of splicing bodies, and every two adjacent splicing bodies are detachably and fixedly connected; a welding manipulator is mounted on the connecting frame, the connecting frame is rotationally connected with the splicing body, and the rotating axis of the connecting frame and the splicing body are coaxially arranged; the mounting frames are connected with the splicing body, walking wheels are rotationally connected to the mounting frames, and a penetrating hole allowing a pipeline to penetrate through is defined by the multiple walking wheels; the driving unit is used for driving the connecting frame to rotate, the driving unit is connected with the splicing body, and the driving unit is connected with the connecting frame; the pipeline welding and fixing device has the effect of completing welding and fixing of the pipeline on the premise that the pipeline is placed.

The invention relates to the technical field of welding equipment, and discloses an annular welding device for a pressure vessel barrel, which comprises a base, a first clamping device is arranged at one end of the base, a second clamping device is arranged at the other end of the base, and the first clamping device is connected with the base through a hydraulic turnover table. When the hydraulic overturning table adjusts the first clamping device to be in the horizontal state, the first clamping device corresponds to the second clamping device at the moment, and the first clamping device and the second clamping device jointly clamp a to-be-welded pressure container barrel which is horizontally and transversely arranged, and when the hydraulic overturning table adjusts the first clamping device to be in the vertical state, the first clamping device and the second clamping device are clamped together. At the moment, the first clamping device clamps the vertically-arranged to-be-welded pressure container barrel, and the second clamping devices are connected through a sliding device. Through cooperation of the annular welding mechanism and the dip angle adjusting device, annular welding can be conducted on a fixed flange at any angle on the pressure container, then the defects of existing welding equipment are overcome, and the applicability of the welding equipment is improved.

The utility model relates to the technical field of vehicle part machining, and discloses an axle small part welding table which comprises a movable positioning mechanism and a part placing mechanism, the movable positioning mechanism comprises a positioning unit and a moving unit, the positioning unit comprises a first mounting platform, and a clamping rotating part is fixedly connected to the first mounting platform; a clamping rotating part is arranged on the first mounting platform in a sliding mode, a jacking part is arranged on the first mounting platform in a sliding mode, the clamping rotating part and the jacking part are oppositely arranged, the clamping rotating part is used for clamping an axle and driving the axle to rotate, the jacking part is used for jacking the axle, the moving unit can drive the first mounting platform to horizontally move, and the workpiece placing mechanism comprises a supporting frame which is detachably connected with a plurality of workpiece placing units. The part placing unit is used for clamping parts and can place the parts on an axle. According to the technical scheme, the workpiece placing units with the fixed positions can be matched through movement and rotation of the axle, the welding efficiency and the positioning precision of parts are improved, and the situation of missing welding can be prevented.

The invention discloses a printing plate roller end welding tool, and belongs to the field of printing plate roller welding. Comprising a welding box, a transverse frame is arranged in the welding box, a fixing block is fixedly connected to the right of the lower surface of the transverse frame, a first welding gun is fixedly connected to the front surface of the fixing block, a first fixing plate and a second fixing plate are symmetrically and fixedly connected to the right of the lower surface of the transverse frame, and a first motor is fixedly connected to the right of the second fixing plate; the right end of the output shaft of the motor I is located between the fixed plate I and the fixed plate II and is fixedly connected with a screw rod; according to the device, a plurality of to-be-welded printing rollers can be placed at the same time through a plurality of placement seats, a first motor drives a screw rod to rotate and can move leftwards or rightwards, and therefore a second welding gun can be controlled to move, the welding position can be adjusted, the first welding gun is fixedly placed, and fixed-point welding is facilitated; and printing rollers with different lengths can be welded.

The invention belongs to the related technical field of welding devices, and particularly discloses a flange profiling welding device which comprises a tank body and a moving frame, a flange pipe is arranged on the upper portion of the inner side of the tank body, the upper surface of the moving frame is connected with a moving seat through an arranged lifting mechanism, and an L-shaped frame is fixedly installed on the upper surface of the moving seat; the upper surface of the L-shaped frame is connected with a first gear through an arranged rotating meshing assembly, a mounting cylinder is fixedly clamped to the inner side of the first gear, a fixing shaft is arranged on the lower portion of the inner side of the mounting cylinder, the top end of the fixing shaft is connected with the top wall of the L-shaped frame, and the mounting cylinder is in rotating fit with the fixing shaft; according to the welding device, a flange pipe of a tank body can be welded, and welding of the arc surface of the flange base can be achieved by imitating a through arc-shaped welding seam, making contact with the arc surface of an inner container, of the flange base through the radian on the guide wheel.

The invention discloses an automatic fan coil welding machine and a welding method. The automatic fan coil welding machine comprises a base, and the base is provided with an upper mounting plate and a lower mounting plate; a rotating ring is rotationally arranged on the mounting plate; the two rotating rings are hinged to a plurality of clamping units evenly distributed in the axial direction of the rotating rings. The base is provided with two power pieces between the upper mounting plate and the lower mounting plate and is provided with a telescopic table in a horizontal sliding manner, a first tension spring is connected between the telescopic table and the base, and an induction heating piece is arranged on the telescopic table; a driven piece matched with the telescopic table in a wedge shape is arranged on the upper mounting plate in a lifting mode, a first spring is connected between the driven piece and the upper mounting plate, and the driven piece can overcome the elastic force of the first spring to move downwards under extrusion of the clamping unit, so that the telescopic table drives the induction heating piece to move in the direction away from the base; the gap between the flaring and the narrow opening is filled with melted welding flux along the conical arc face of the flaring and the spiral groove under the action of centrifugal force, welding of the copper pipe is achieved, welding is tighter, and the welding strength and the air tightness are better.

The present invention discloses a multi-wavelength light source arc composite laser processing head and method for coaxial wire and powder delivery. The laser processing head includes a control module, a wire drawing mechanism and a multi-beam laser head; the control module includes a sensor for detecting whether the welding wire passes through; in the wire drawing mechanism, the wire drawing assembly is driven by a wire drawing motor to draw and retract the welding wire between two axially opposite wire drawing nozzles; the multi-beam laser head includes a wire guide sleeve, two access blocks with accommodating cavities, one or more groups of mirror group adjustment modules and corresponding protective mirror modules; a replaceable nozzle is provided at the end of the wire guide sleeve; and two inner and outer double cavities are provided in the nozzle. The laser processing head of the present invention can realize controllable heating of the welding wire; and can judge the laser light emission timing according to the corresponding signal. The laser processing head can be installed at the end of various motion mechanisms to realize high surface quality laser welding / additive, multi-wavelength laser composite welding / additive, laser fuse / powder delivery / wire and powder delivery welding / additive.