165 results about "Plasma arc welding" patented technology

The application relates to the technical field of plasma arc welding, in particular to a plasma arc welding machine which comprises a machine table, an arrangement structure is arranged on the inner side of the machine table, a positioning structure is arranged on the top side of the arrangement structure, a lifting structure is arranged on the bottom side of the arrangement structure, a welding structure is arranged in the middle of the machine table, an adjusting structure is arranged on the inner side of the welding structure, and a bearing structure is arranged on the arrangement structure. The two parts to be welded can be synchronously rotated through the arrangement structure, good welding effect is obtained, the workpiece with a cylindrical structure can be stably and accurately fixed through the positioning structure, the height can be adjusted according to the specifications of the welding workpiece through the lifting structure, the welding work of the cylindrical workpiece can be quickly completed through the welding structure, the welding angle of the plasma welding gun can be adjusted through the adjusting structure, and the tubular or other special-shaped workpiece can be provided with good fixing effect through the bearing structure.

The invention provides a semi-automatic plasma arc welding workbench, and relates to the technical field of welding workbenches, the semi-automatic plasma arc welding workbench comprises a T-shaped groove workbench, a fixed matching sliding block is slidably mounted in a T-shaped groove of the T-shaped groove workbench, a notch is formed in the front side of the top end face of the fixed matching sliding block, and a columnar limiting groove is formed in the front side of the bottom face of the inner end of the notch; the axis part of the bottom surface of the inner end of the columnar limiting groove is provided with an insertion hole position penetrating through the bottom end surface of the fixed matching sliding block, and a film type pressure sensor is installed around the inner circumferential surface of the insertion hole position and adjacent to the bottom opening end part. According to the auxiliary monitoring structure based on the inserting column, the rubber round block and the film type pressure sensor, if the workpiece is collided by foreign objects in the clamping state and causes small displacement of the workpiece, early warning can be triggered synchronously, warning of the small displacement condition of the workpiece is achieved, and the working efficiency is improved. The technical problem that a plasma arc welding T-shaped groove workbench widely used in the current industrial manufacturing field cannot monitor the workpiece clamping state is solved.

The invention discloses a curtain wall aluminum plate local hot melting welding device, and belongs to the technical field of curtain wall welding, the curtain wall aluminum plate local hot melting welding device comprises a climbing mechanism used for climbing along a keel and crossing an embedded plate, and the climbing mechanism is provided with a carrying mechanism used for driving a curtain wall aluminum plate to move to a designated installation position and a welding mechanism used for welding the curtain wall aluminum plate on the keel; through the climbing mechanism and the crossing module, the device can actively clamp and climb along a vertical keel through the wheel pasting module like a wall climbing robot, and when obstacles such as embedded plates are encountered, the device can alternately retract and lift the crossing module step by step, and lossless crossing is achieved; by means of multi-degree-of-freedom coordinated movement, a curtain wall aluminum plate can be extremely accurately conveyed to a designated installation position in a three-dimensional space, meanwhile, a photoelectric detection module on the welding mechanism can automatically scan and accurately position a seam, and accurate welding of local hot melting welding is achieved in cooperation with a plasma welding gun and an angle-adjustable wire feeding pipe.

The invention discloses plasma arc welding equipment for automobile part machining, and relates to the related technical field of automobile part machining, the plasma arc welding equipment comprises a workbench, and the workbench is provided with a mechanical arm used for controlling a welding gun to move and a clamping mechanism used for clamping a composition pipeline of an automobile exhaust pipe; the number of the clamping mechanisms arranged on the workbench is two, the two clamping mechanisms clamp the two welded pipelines respectively, and a driving mechanism is further arranged on the workbench. When two sections of pipelines are welded, the two clamping mechanisms are driven by the driving mechanism to have the following strokes: a first stroke, the two clamping mechanisms respectively clamp and fix the two sections of pipelines; in the second stroke, the two clamping mechanisms get close to each other to drive the two ends, needing to be welded, of the two sections of pipelines to be in butt joint; and in the third stroke, the two sections of pipelines are driven to circumferentially rotate so as to assist the welding gun in welding operation.

The plasma arc welding machine comprises a bottom plate, linear motors are fixedly mounted on the two sides of the middle of the top end of the bottom plate correspondingly, the driving ends of the linear motors are fixedly connected with movable plates correspondingly, and the centers of the top ends of the movable plates are fixedly connected with one ends of hydraulic cylinders correspondingly; the other end of each hydraulic cylinder is fixedly connected with the middle of a connecting rod, the two ends of each connecting rod are fixedly connected with clamping assemblies respectively, the clamping assemblies are symmetrically arranged on the two sides of a placing plate respectively, and the placing plate is arranged at the top of the bottom plate; gantry sliding tables are fixedly installed at the two ends of the top of the bottom plate, angle adjusting mechanisms are fixedly connected to the driving ends of the gantry sliding tables, and plasma welding guns are fixedly connected to the bottom ends of the angle adjusting mechanisms. The placing plate is used for placing the semitrailer frame girder, the frame girder is positioned, clamped and fixed through the clamping assembly, the stability in the welding process is ensured, and the welding defect caused by workpiece movement is effectively avoided; and the clamping assembly is ingenious in design.

The invention provides a steel pipe welding device for house building, which relates to the field of welding equipment and comprises a welding machine main body, a clamping carriage, a plasma arc welding gun, a welding monitoring part, a welding auxiliary mechanism and a monitoring execution mechanism, the clamping sliding frames are connected to the upper portion of the welding machine body in a sliding mode. The welding bearing frame is arranged in the middle of the upper portion of the welding machine body. The welding mounting frame is fixedly connected to the rear portion of the welding bearing frame. The plasma arc welding gun is arranged on the inner side of the welding mounting frame; the welding monitoring pieces are fixedly connected to the outer sides of the clamping sliding frames correspondingly. The welding alarm part is fixedly connected to the upper portion of the welding machine body. The welding auxiliary mechanism is arranged above the welding machine main body; the monitoring executing mechanism is arranged at the front end of the upper portion of the welding machine body, the quality and stability of a welding seam are effectively improved, and the problem that the welding quality of a steel pipe is affected due to the fact that periodic impact loads generated during operation of a large machine are conducted to a welding device through the ground is solved.

The invention relates to the technical field of cold-roll steel sheet welding, in particular to plasma arc automatic welding equipment for cold-roll steel sheet machining, which comprises a rack, a moving unit connected to the rack and the like, a plurality of first electric push rods are fixedly connected to the bearing plate; the telescopic ends of the first electric push rods are jointly and fixedly connected with a first mounting plate. A base plate is connected to the first mounting plate and located under the plasma arc welding gun, an arc-shaped groove is formed in the base plate, and the base plate is located in a through groove in the middle of the bearing plate. A plurality of second electric push rods are fixedly connected to the front side and the rear side of the rack correspondingly; the telescopic ends of the second electric push rods located on the same side are jointly and fixedly connected with a second mounting plate, and the two second mounting plates are symmetrically arranged front and back. Through the synergistic effect of all the parts, automatic alignment and welding of the joints of the cold-roll steel sheet cylinder are achieved.

The invention relates to the technical field of plasma arc welding, and discloses a plasma welding tool for automobile part production, which comprises a rack, and a welding assembly is arranged at the top end of the rack. According to the plasma welding tool for automobile part production, by arranging the welding assembly, when a first hydraulic cylinder is started, a plasma welding head is made to be close to a weld joint on a circular workpiece body at the center of a circular ring plate, and an asynchronous motor, a driving gear, a fixing frame, the circular ring plate and a driven gear ring are matched to synchronously and stably rotate in multiple sets of limiting wheels; when the support is kept horizontal and is located outside the top end of the annular plate, a first asynchronous motor is started to enable a one-way threaded rod to rotate, and then the support is driven to rotate synchronously, and after the plasma welding head is started, the plasma welding head is matched with revolution of the plasma welding head to better weld a circular weld joint; and the movable column drives the plasma welding head to transversely move to weld a horizontal welding seam on the square workpiece body, so that the adaptability and the efficiency of the tool body can be improved.

The invention belongs to the technical field of ship accessory machining, particularly relates to a plasma arc welding machine and method for ship accessory machining, and provides the following scheme for solving the problem that an existing plasma arc welding machine is poor in temperature stress treatment effect: the plasma arc welding machine for ship accessory machining comprises a bearing platform; the two mounting plates are arranged on the bearing platform, two symmetrical movable grooves are formed in the bearing platform, and the inner walls of the movable grooves are slidably connected with the outer portions of the mounting plates on the same sides; the four clamps are arranged between the two mounting plates, and the two clamps on the same side are symmetrical to each other; a first hydraulic rod is arranged on the upper side of the welding gun. According to the plasma arc welding machine and method for machining the ship accessories, heat of cooling liquid generated during welding of the welding gun can be recycled, the welded ship accessories are preheated, and therefore temperature stress generated during welding of the accessories is reduced, stress cracks generated after firmware welding are avoided, and the welding quality is improved.

A nozzle for a liquid-cooled plasma arc torch is provided. The nozzle includes an inner nozzle body defining a proximal end and a distal end extending along a central longitudinal axis of the nozzle. The inner nozzle body comprises a plasma bore disposed along the central longitudinal axis. An outer nozzle body is disposed about the inner nozzle body. The outer nozzle body and the inner nozzle body are joined at a distal interface to form a circumferential fluid seal. A liquid coolant channel defined between the inner nozzle body and the outer nozzle body. The liquid coolant channel is disposed substantially circumferentially into the inner nozzle body. A distal tip portion of the liquid coolant channel is located in the inner nozzle body between the distal interface and the plasma bore along a radial axis that is substantially perpendicular to the central longitudinal axis.

The invention discloses plasma arc welding equipment for frame straight seam welding, and relates to the technical field of plasma arc straight seam welding equipment.The plasma arc welding equipment comprises a rack installed on the upper surface of a machine base through bolts, and the side face, located below the rack, of the machine base is connected with a working rack for bearing a frame through bolts. According to the plasma arc welding equipment for frame straight seam welding, the end portions of the two frame workpieces are precisely bulldozed and aligned through the aligning mechanism, the initial assembly error is eliminated, rigid clamping is formed on the two sides of the frame workpieces through the clamping mechanism, the welding faces of the frame workpieces are forced to be tightly attached, and the welding efficiency is improved. The aligning mechanism, the clamping mechanism and the original pressing assembly form three-dimensional multi-point constraint on the frame workpiece, workpiece upwarp, transverse shrinkage and distortion caused by welding thermal stress are effectively resisted, finally, the clamping mechanism is in linkage with the top disc to operate, adsorption of the frame workpiece and the working table top is broken, quick and lossless workpiece taking is facilitated, and the welding quality is improved. And deformation of the frame workpiece is avoided.

This invention discloses a plasma arc welding method for titanium / steel with pre-filled powder, belonging to the field of arc welding. The invention involves a bevel on the steel plate side of the weld joint, where a multi-element alloy powder is pre-filled. This multi-element alloy powder is a copper-titanium-iron-nickel-niobium alloy powder, with the following mass percentages: Cu: 35-45 wt%, Ti: 15-20 wt%, Fe: 15-20 wt%, Ni: 15-20 wt%, Nb: 3-5 wt%, to optimize the metallurgical properties of the titanium-steel interface. The upper part of the bevel is tightly fitted with the titanium, leaving a gap at the bottom for the multi-element alloy powder. During welding, the pre-filled multi-element alloy powder forms an alloy transition layer with the titanium-steel interface. After the welding wire melts, it fills the weld joint, forming the weld area together with the pre-filled powder. This method maintains the stability of the multi-element alloy powder and prevents it from being dispersed by the gas flow. This method overcomes the shortcomings of filler materials in traditional welding, avoids the high cost of laser coaxial powder feeding, and significantly reduces powder loss and particle size limitations in arc powder feeding.

The application discloses a valve piece positioning type plasma arc welding equipment and relates to the technical field of plasma arc welding machines.The valve piece positioning type plasma arc welding equipment comprises a machining table, an arc welding gun body, a vertical rod fixedly connected to the top of the machining table, an elevating rail fixedly connected to the end of the vertical rod, an elevating sliding block slidingly connected to the inside of the elevating rail, and a fixed machine ring fixedly connected to one side of the elevating sliding block.The valve piece positioning type plasma arc welding equipment has the advantages that in the process of inside supporting positioning, a sealing pressure seat extrudes a sealing air bag, so that the sealing air bag is in close contact with the open end of a valve piece, the sealing air bag cooperates with the sealing pressure seat and a telescopic sleeve column to realize the sealing of the open end of the valve piece, back protection gas is introduced into the valve piece through the penetrating air holes, and thus, in the case of rapidly realizing the positioning of the valve piece, the sealing treatment is realized, so that the back of the welding point of the valve piece cannot be oxidized and the molten pool is stable.

The application discloses a method suitable for improving the structure uniformity of an arc additive manufacturing AZ series magnesium alloy, and the method comprises the following steps: 1, selecting a hot-rolled AZ31 plate as a substrate; 2, performing three-dimensional modeling and slicing processing according to a target magnesium alloy workpiece, and designing a deposition path; 3, preheating the substrate, adjusting the distance between an electrode and the substrate and inputting a protective gas; and 4, performing arc additive manufacturing in an inner layer rotary deposition mode according to the deposition path to obtain the AZ series magnesium alloy workpiece. The application takes plasma arc welding as a heat source, has the advantages of fast preparation rate, accurate heat input control, good arc stiffness, effectively reduced spatter, good workpiece formability, and the like; the rotary deposition mode is adopted to effectively control heat cycle, avoid abnormal structure growth, and simultaneously adopt an auxiliary interlayer hammering deformation means to optimize a deposition interface, so that the obtained AZ series magnesium alloy workpiece has the advantages of uniform structure, small grain, few defects, excellent strength and plasticity, and the like, and the process is simple and easy to popularize.

The invention discloses a building baffle plasma arc welding device, and particularly relates to the technical field of welding, the building baffle plasma arc welding device comprises a bottom plate, a rack is fixedly connected to the upper end of the bottom plate, a main support is fixedly connected to the upper end of the bottom plate, and two centrosymmetric deflection inclined plates are arranged at the upper end of the main support; an air cylinder is fixedly connected to one side of the main support, a telescopic rod is arranged at one end of the air cylinder in an extending mode, a sliding block is fixedly connected to one end of the telescopic rod, and the sliding block is in sliding buckle connection with the main support; according to the device, automatic feeding, assembling, welding and discharging of a first workpiece and a second workpiece can be achieved at the same time, the whole process is cyclically carried out, left-right movement of a sliding block is controlled through stretching and retracting of a telescopic rod, and the sliding block drives a square block to move left and right; the second connecting rod is driven to move back and forth in the rail sliding groove under the action of the inclined face, and the main gear rotates when passing through the rack.

The application discloses a kind of plasma arc welding machine nozzle support device for robot, including protective cylinder, the outer side wall of the protective cylinder is fixedly connected with fixed seat, the fixed seat is rotatably connected with mounting rod, the mounting rod is slidably connected with sliding seat, the sliding seat is fixedly connected with first support, the end of the mounting rod away from fixed seat is rotatably connected with support rod, the support rod is fixedly connected with second support, the first support and second support are rotatably connected with connecting support rod between them, the end of the support rod is equipped with mobile stabilizing mechanism;The mobile stabilizing mechanism includes moving disc, the lower end surface of the moving disc is equipped with a plurality of rolling balls, and the upper end surface of the moving disc is fixedly connected with mounting seat.The application is ingenious in structure, convenient to use, the nozzle is fixed by the device, the movement of nozzle is realized by rolling ball on the device when welding, the distance between nozzle and workpiece surface is guaranteed during welding, and the quality of welding is guaranteed.

The invention provides a plasma arc welding machine for producing a steel ladle cover and a machining method of the plasma arc welding machine, and belongs to the technical field of welding equipment.The plasma arc welding machine for producing the steel ladle cover comprises a supporting seat, a welding table is fixedly connected to the top end of the supporting seat, and first supporting plates are fixedly connected to the four corners of the top end of the welding table; a third motor and a second motor are fixedly connected to the outer surfaces of the two first supporting plates located on the lower portion respectively, a laser vision sensor and an image processing technology are arranged in the ion arc welding machine body, and welding seams can be scanned in real time, tracks can be generated, and deviation can be monitored and adjusted; the intelligent monitoring and recording equipment collects parameters such as welding current, voltage and gas flow and welding videos in real time, and data are stored for tracing; the automatic waste collecting system achieves centralized waste treatment through a collecting tank and a spiral conveying blade.

An assembly for a plasma arc torch, comprising: an electrical contact element (6) having a proximal contact surface (25) for contact with a power supply part (8) and a cavity having an inner side wall for contact with a side wall of a proximal end portion (14) of an electrode (3); a spring (4) for urging the electrode (3) away from the electrical contact element (6); and an insulating element (5) arranged on the electrical contact element (6) and adapted to prevent a current transfer from the electrical contact element (6) to the spring (4).

The application discloses a device and method for adjusting arc thermal power distribution to fill in a small hole after a piercing type plasma arc welding, which is characterized by the following: under the condition of plasma arc welding, a dynamic push-pull device is used to reduce the tungsten electrode shrinkage, change the arc restraint degree, change the arc force and heat input size and the arc action range size, reduce the plasma arc penetration capacity, and meanwhile, a computer is used to control the welding current and wire feeding speed, so that the molten drop can stably and safely flow into the generated welding small hole, and the purpose of filling in the small hole is achieved. The application changes the arc thermal power distribution, uses the computer to control the welding current and wire feeding speed, and achieves the purpose of filling in the small hole after the welding. The device does not need manual TIG hole repairing after the welding, reduces the processing procedure, and improves the automatic and intelligent levels of the plasma welding.

The application belongs to the technical field of plasma arc positioning welding, in particular to a positioning device for metal pipeline welding, which comprises a working base plate, a moving support frame and a multi-axis welding mechanical arm, the end of the multi-axis welding mechanical arm is fixedly provided with a plasma arc welding head, the welding station comprises a circular arc strip plate and positioning members one and two movably installed on the inner side of the top of the circular arc strip plate, the metal belt in the form of a ring outside the clamping structure is wound, the diameter of the ring is reduced, gradually adheres to the outer side of the curved part of the L-shaped metal pipe, when the metal belt is gradually tightened, the metal belt is inclined and closely adheres to the outer side of the curved part of the L-shaped metal pipe, and the clamping structure abuts against the outer side of the curved part of the L-shaped metal pipe, because the positioning member one and the positioning member two are arranged in the same way, the positioning member one and the positioning member two will exert a cross tension on the curved part of the L-shaped metal pipe, thereby positioning the curved part of the L-shaped metal pipe.

The invention discloses a combined type micro-beam plasma arc welding shielding gas support cover capable of being flexibly positioned. The combined type micro-beam plasma arc welding shielding gas support cover comprises a clamping mechanism, a shielding gas cover body and a positioning bracket, the clamping mechanism is clamped with the welding gun; the protective gas hood body comprises a main protective gas hood and an auxiliary protective gas hood, the main protective gas hood and the auxiliary protective gas hood are buckled in a sliding mode, and a notch for a welding gun to penetrate through is formed in the buckling position of the main protective gas hood and the auxiliary protective gas hood. The outer walls of the main protective gas hood and the auxiliary protective gas hood are connected with gas delivery pipes; the positioning support comprises a pressing plate and spherical hinges, and the two ends of the pressing plate are movably connected with the spherical hinges. The two ends of the pressing plate are hinged to the clamping mechanism and the main protective gas hood through spherical hinges correspondingly, and the position of the protective gas hood body is flexibly adjusted. The protective gas supporting cover can be flexibly positioned and provide sufficient protective gas atmosphere.

The application provides an intelligent positioning welding device for automatic welding, and relates to the field of welding equipment.The intelligent positioning welding device comprises a plasma arc welding base, a welding moving frame is slidably connected in the plasma arc welding base, a linear motor is arranged on the upper portion of the welding moving frame, a mounting seat is fixedly connected to the outside of the linear motor, a welding sliding seat is slidably connected to the front portion of the mounting seat, a plasma arc welding head is arranged in the welding sliding seat, the plasma arc welding head is aligned with the plasma arc welding base, and two protective baffle frames are symmetrically hingedly connected to the outside of the welding sliding seat.In the process of moving the welding sliding seat downward, the protective baffle frames are turned over through a series of transmission, the protective baffle frames are closed, the plasma arc welding head is covered, the problem that high-temperature sparks generated during welding are easy to scatter everywhere and cause pollution to the surrounding working environment is solved, and the problem that once the high-temperature sparks are splashed on nearby workers, the workers are easy to be caused heat burns.

The invention discloses a coal mine curtain grouting fixing block plasma arc welding machine, and particularly relates to the technical field of plasma arc welding, the coal mine curtain grouting fixing block plasma arc welding machine comprises a workbench, the upper end of the workbench is fixedly connected with a mounting frame, the upper end of the mounting frame is fixedly connected with a back plate, and the back plate is provided with a U-shaped rail groove; the front side of the back plate is in sliding buckle connection with a main sliding block, the left side of the main sliding block is fixedly connected with a hanging lug, and the rear side of the mounting frame is fixedly connected with a motor. A motor can drive a first connecting rod to rotate clockwise through a motor shaft, so that a second connecting rod drives a main sliding block to circularly move left and right, a plasma arc welding gun can slide in a U-shaped rail groove and a V-shaped rail groove, when the main sliding block moves rightwards, a second workpiece can be pushed to be inserted into the first workpiece through a right-angle pushing block, and when the main sliding block moves leftwards, the second workpiece is pushed to be inserted into the second workpiece through a right-angle pushing block. When the round rod moves on the d-c-b section of the U-shaped rail groove, the plasma arc welding gun conducts plasma arc welding on the L-shaped weld joint, and when the round rod moves on the b-a section of the U-shaped rail groove, the front push block can be pushed forwards through the inclined face of the inclined push block.

The present application relates to the technical field of plasma arc welding, and particularly relates to a high-end aluminum alloy jig post-plasma welding processing machine tool, which comprises a frame body, a back-shaped limiting slide rail is fixedly connected with the frame body, the outer wall of a conveying belt is provided with a plurality of groups of positioning mechanisms, the inside of the frame body is fixedly connected with two height positioning plates which are symmetrically distributed, the upper left of the height positioning plate is provided with two side limiting plates, and two universal mechanical arms are both provided with a plasma welding gun; through the synergistic effect of the inclined surface push block two and the blanking push rod, the blocking rod slides along the limiting slide rail one, the lowermost supporting column body is released, the separation plate supports the upper stacked workpieces, the slide rod one slides along the back-shaped limiting slide rail, the inner push rod drives the inner clamping plate to clamp the workpieces through the rack and the gear, the supporting column body automatically pushes the horizontal rod body to slide out, the two ends of the horizontal rod body are bent inward, precise assembly is completed, the welding position consistency is ensured, and the production efficiency and the welding precision are greatly improved.

The method for improving joint strength by using composite plasma arc welding of dissimilar metal MIG welding is characterized in that a V-shaped groove is prepared on one side of a stainless steel welding plate, a U-shaped groove is formed on one side of a magnesium alloy welding plate, and a groove is formed in the middle section of the copper backing plate close to the stainless steel backing plate; the stainless steel welding plate is placed on the stainless steel backing plate, the magnesium alloy welding plate is placed on the copper backing plate to perform welding plate assembly, the program of robot control MIG welding gun and plasma arc welding gun is prepared before welding; then the stainless steel welding plate is heated at both ends of the stainless steel welding plate, the robot is started to perform MIG welding, the robot is started again to perform plasma arc welding on the weld for once, after the surface welding layer is melted and burned, the back of the weld is burned again, and the welding is finished; the welding process method realizes the connection of the magnesium alloy / stainless steel dissimilar metal, has low cost, high welding efficiency, small welding deformation and high welding strength.

The utility model discloses a plasma arc welding machine for stainless steel pipe production, which belongs to the field of steel pipe production and comprises a base, a welding mechanism arranged above the base, two groups of jacking components symmetrically arranged at two ends of the top of the base, an auxiliary supporting component arranged above the base and two groups of supporting driving mechanisms symmetrically arranged at the top of the base. The supporting driving mechanism comprises an upper driving assembly and a lower driving assembly, the lower driving assembly is fixedly connected to the top of the base, a mounting frame is fixedly connected to the top of the base, and the upper driving assembly is mounted on the mounting frame through a lifting assembly. The stainless steel pipe welding device has the beneficial effects that the upper driving assembly and the lower driving assembly are arranged, the upper driving assembly is driven by the lifting assembly to move downwards, the upper driving wheel abuts against the stainless steel pipe, friction between the stainless steel pipe and the driving wheel is increased, the rotating stability of the stainless steel pipe is guaranteed, and the welding quality is improved.

The invention discloses a metal block plasma arc welding device, and particularly relates to the technical field of welding, the metal block plasma arc welding device comprises a stepped mounting frame, the interior of the stepped mounting frame is step-shaped, a blanking hole is formed in the stepped mounting frame, the blanking hole is located at the step, and the right side of the stepped mounting frame is fixedly connected with an air cylinder; a telescopic rod is arranged at one end of the air cylinder in an extending mode, a fixed push plate is fixedly connected to one end of the telescopic rod, a sliding frame is fixedly connected to the upper end of the fixed push plate, a connecting plate is connected to the left end of the sliding frame in a penetrating mode, and an inclined push plate is fixedly connected to the lower end of the connecting plate. When the air cylinder is started, the telescopic rod can be driven to stretch out and draw back, so that the sliding frame is driven to move left and right through the fixed push plate, the sliding frame drives the inclined push plate to move left and right through the connecting plate, the device circularly moves according to the sequence of Figure 2-Figure 3-Figure 4-Figure 5-Figure 6-Figure 2, and therefore automatic feeding, automatic combination and automatic welding of a first workpiece and a second workpiece are completed.

The invention discloses a weld seam roll welding system for metal plate machining, and relates to the field of manufacturing of metal cutting and welding equipment such as plasma arc welding machines, the weld seam roll welding system comprises a base and roller electrodes symmetrically and rotatably arranged on the base, and further comprises a working ring and a mounting ring, the working ring and the mounting ring are respectively clamped at the two axial ends of the roller electrode, so that the working ring sleeves the outer side of the roller electrode, and the working ring and the mounting ring are fixed in an inserting manner. According to the weld seam roll welding system for metal plate machining, the working ring and the mounting ring are connected in an inserted mode so as to be clamped on the roller electrode, and the working ring is arranged on the outer side of the roller electrode in a sleeving mode so that the pressing ring part can be located on the radial outer side of the roller electrode to form a working face; and when the working surface on the pressing ring part is damaged and generates a pit during long-time welding operation, the working ring can be quickly replaced and maintained by disassembling the working ring and the mounting ring, so that the problem of low maintenance efficiency caused by the fact that the roller electrode of the traditional roll welding equipment needs to be integrally disassembled is solved.

The present application relates to photovoltaic curtain wall assembly technical field, disclose a kind of photovoltaic curtain wall automation assembly production line, including glass joint gap glue coating mechanism, for the joint gap of double glazing is coated with glue;Glue scraping and coating mechanism;Corrugated board feeding mechanism;Welding and pressing mechanism, by the welding module of integrated plasma arc welding automatically welds corrugated board and frame;The glass joint gap glue coating mechanism, the glue scraping and coating mechanism, the corrugated board feeding mechanism and the welding and pressing mechanism are sequentially arranged along conveyor frame, the glass joint gap glue coating mechanism includes first mobile lifting module, continuously rotating driving element and glue coating module, the present application adopts precision welding and full automation assembly, ensure that the high precision and high consistency of corrugated board laying and frame welding, meet the development direction of high-end equipment manufacturing and strategic emerging industry, can scale production high quality, high value BIPV product.

This invention relates to the field of welding equipment technology, specifically to an automated plasma arc welding device for electric vehicle wiring harness connections. The device includes a welding worktable with welding support bars fixedly mounted on it. Symmetrical positioning arc grooves are formed on the welding support bars, and symmetrically fixed at both ends are mating support rods. Mating uprights are fixedly mounted on one side of the welding worktable at both ends of the welding support bars, and mounting through holes are formed on the welding worktable between the mating uprights. A support plate frame is fixedly mounted on one side of the welding worktable, with inclined blocks symmetrically fixed at both ends. The welding support bars on the welding worktable are used to position the wiring harness via the positioning arc grooves. When the welding torch moves downwards, it drives the movable support plate downwards, causing the pressure bar to move downwards and press the wiring harness firmly, thus fixing the wiring harness and ensuring its stability during the welding process.