65 results about "Seam welding" patented technology

This utility model relates to the field of welding equipment technology, and proposes a high-efficiency automatic welding device for ultra-large diameter spiral welded pipes. It includes a frame, with several support seats fixedly connected to the bottom of the frame. Support wheels are rotatably connected to both sides of the top of each support seat, and the support wheels on the same side are coaxially fixedly connected. A welding mechanism is installed on the frame, including a lead screw with a movable seat threaded onto it. A servo motor is fixedly mounted at one end of the frame, and the output shaft of the servo motor is fixedly connected to the lead screw. A welding assembly is installed at one end of the movable seat, and a dust collection assembly is installed at the bottom of the movable seat. A transmission mechanism is installed at one end of the frame. This utility model, through a servo motor-driven lead screw mechanism and a synchronous transmission system, achieves automatic movement of the welding torch along the spiral weld seam and synchronous control of the pipe rotation. This eliminates the need for traditional manual operation, improves welding speed and positioning accuracy, and effectively enhances welding efficiency.

The present application relates to the technical field of seam welder, and discloses a multi-layer metal bellows matched end seam welding tool.The present application comprises: a machine body internally provided with a driving device and a transformer, an upper welding wheel mechanism and a lower welding wheel mechanism are arranged on the machine body support table, an upper extension guide column capable of axial extension is arranged on the upper welding wheel mechanism, and an upper additional electrode wheel is arranged at one end of the upper extension guide column; a lower extension guide column capable of axial extension is arranged on the lower welding wheel mechanism, and a lower additional electrode wheel is arranged at one end of the lower extension guide column; the tool further comprises a synchronous driving mechanism for driving the upper extension guide column and the lower extension guide column to synchronously extend and retract.The synchronous design of the upper additional electrode wheel and the lower additional electrode wheel is matched with the synchronous driving mechanism to realize the synchronous extension and positioning of the two end electrode wheels, and the seam welding work of the two ends of the metal bellows can be completed at one time, thereby improving the processing efficiency.

This invention discloses an intelligent crawling device for a ship hull vertical seam welding robot, relating to the field of ship hull production technology. It includes a crawling device, a mounting box, a turntable, a welding robot, an emergency stop mechanism, an arc detection mechanism, and an angle detection mechanism. The mounting box is fixedly connected to the top of the crawling device, and a turntable is rotatably connected to the top of the mounting box. The welding robot is fixedly connected to the top of the turntable. Emergency stop mechanisms are fixedly connected to the right sides of both the front and rear ends of the mounting box. An arc detection mechanism is fixedly connected to the right end of the mounting box, and an angle detection mechanism is fixedly connected to the front left side of the top of the mounting box. The emergency stop mechanism, through a fixed block, drives a friction plate downwards, causing the friction plate to squeeze the tracks on the crawling device, increasing the friction of the tracks, thereby rapidly decelerating and eventually stopping the device, preventing unstable track movement that could affect its normal operation.

The application discloses a kind of intelligent detection methods for weld defects of stainless steel composite straight welded pipe, belong to nondestructive intelligent detection technical field.The method includes: establishing longitudinal space coordinate axis mapped with the length direction of weld;Synchronous acquisition of phased array ultrasonic fan-shaped scanning reflected echo signal and pulse eddy current induced eddy current attenuation curve, respectively extract interface reflection peak amplitude and decay time constant;Equivalent thickness of coating is calculated using decay time constant, and after comparing with nominal thickness, the receiving gain of phased array ultrasonic is dynamically adjusted, and the acoustic characteristics after compensation are output;The compensated acoustic characteristics and electromagnetic attenuation characteristics are input into the fusion judgment model to identify the defect category and spatial position.The application calibrates ultrasonic gain in real time through pulse eddy current, eliminates heterogeneous interface acoustic impedance mismatch interference, combines multimodal characteristics and support vector machine classification, realizes weld defect detection in full thickness range, reduces false defect alarm rate, and is suitable for online automatic detection.

This invention relates to the field of welding machines, specifically a straight seam welding machine. The machine includes a welding head and a base box located on the lower side. A side plate is fixedly connected to the upper rear end of the base box, and a fixing frame is fixedly connected to the front end of the side plate. A circumferential support component capable of changing diameter is installed at the front end of the fixing frame. Shaping components capable of moving inward are respectively arranged on the left and right sides of the circumferential support component. A lifting component capable of lifting and lowering is installed at the upper end of the side plate. A linkage structure is installed between the lifting component and the shaping components on both sides. The welding head is mounted on the lifting component. This invention sets two working states: cylindrical workpiece welding and flat workpiece welding. Both share the core mechanisms of drive, linkage, lifting, and welding, allowing for rapid switching of working conditions without structural changes. Furthermore, the use of a radially expandable circumferential support component enables adaptive adjustment of the support diameter, quickly adapting to cylindrical workpieces with different inner diameters.

The present application relates to the technical field of end seam welding, and discloses a high-flanging sheet scattered short-side end intelligent seam welding equipment adopting a gap seam welding wheel, which comprises a conveying frame, an end seam welding machine arranged on the side wall of the conveying frame, and a seam welding unit arranged on the end seam welding machine, wherein the seam welding unit comprises a seam welding component and an angle adjusting component arranged on the end seam welding machine. Through the arrangement of the seam welding unit, geometric interference can be eliminated, the top of the seam welding wheel and the high-flanging part are prevented from being in contact and stuck, welding continuity is ensured, the service life of the equipment is prolonged, the maintenance cost is reduced, the seam welding wheel is always perpendicular to the welding area, the weld forming is optimized, the welding defect rate is reduced, the sealing performance and structural strength of the weld are improved, and the operation reliability of the component is ensured.

This invention relates to the field of marine pressure water tank welding systems, and more particularly to a robotic automatic laser welding system for marine pressure water tanks. The technical solution includes a central control system, an industrial robot, a laser welding head, a weld seam vision tracking module, a pressure water tank positioning fixture, a base, and welding dust removal and protection components. The pressure water tank positioning fixture is used to fix the marine pressure water tank to be welded. The weld seam vision tracking module, laser welding head, and industrial robot are all electrically connected to the central control system. A longitudinal seam welding roller frame and a circumferential seam welding roller frame are installed on the base. This invention, by employing robotic laser welding, achieves high welding speed, low heat input, minimal workpiece deformation, and eliminates the need for straightening; it also eliminates spatter and grinding, resulting in lower material consumption and cost. Combined with the weld seam tracking module, the welding trajectory is precise, the quality is stable, there is minimal dust and no strong arc light, making the operation safer. It is suitable for welding various specifications of marine pressure water tanks.

The present invention relates to a seam welding machine (10) configured to join at least two workpieces by applying current between at least one movable electrode (21) and at least one fixed electrode (31). The machine comprises at least one subassembly (30) to which the fixed electrode (31) is connected, at least one upper assembly (20) provided on the subassembly and movable along a y-axis (y), and at least one swing arm (22) connected at one end to the upper assembly (20) so as to be movable along an x-axis (x) and at another end to the movable electrode (21). The movable electrode (21) includes at least one protruding dome-shaped form (211) on a surface facing the fixed electrode (31), and at least one guide (23) connected to the swing arm (22) enables the dome-shaped form (211) to perform an oscillating movement to contact at least one workpiece.

This invention discloses a welding device for splicing seams and its application in bridge splicing, relating to the field of welding equipment technology. It solves the problem of high temperatures at the seams of welded metal materials affecting the welding quality and subsequent inspection of weld quality. The splicing seam welding device includes a concave base, rollers, a traveling cooling mechanism, a support column, a seam welding mechanism, and a pusher. Multiple rollers are movably connected to the inner bottom of the concave base, and two rollers are connected to the traveling cooling mechanism, which is installed on the side of the concave base. In this invention, the traveling shaft that drives the rollers and the device to rotate rotates, driving multiple cooling fan blades to rotate and automatically cool the weld area. This ensures that the accuracy of subsequent welding quality inspection of the weld area is not easily affected by residual high temperatures. It also improves the overall quality of metal welding.

This provides shield room walls with minimal inter-story horizontal deformation but high performance requirements. [Solution] The shield wall 3 is separated into horizontal corner shield walls W3 and W4, and vertical corner shield wall W1 and internal shield wall W2. The weld joints between the shield members are covered with joint plates and integrated by welding such as seam welding. The horizontal corner shield walls W3 and W4 are continuous with the shield members covering the floor surface 1 and ceiling surface 8, respectively, and are integrated by welding such as seam welding. The horizontal gaps between the horizontal corner shield walls W3 and W4 and the vertical corner shield wall W1 and internal shield wall W2, and the vertical gaps between the vertical corner shield wall W1 and internal shield wall W2 are sealed with retaining edges and shield gaskets. The width of the vertical gap between the vertical corner shield wall W1 and internal shield wall W2 is ensured to be greater than or equal to the inter-story horizontal displacement δ expected on the installation floor A during an earthquake.

The present application relates to the technical field of welding equipment, and discloses a full-automatic ring seam welding machine for carrier rollers, which comprises a concave table, a supporting frame is arranged at the bottom of the concave table to isolate and support the bottom of the concave table; two machining stations are arranged at the top of the concave table, and track grooves for switching the stations are arranged on the front and back sides of the middle part of the top of the concave table. By increasing and arranging an end part processing mechanism, the mechanism can not only realize accurate butt joint of the center parts on both sides through a synchronous cross seat, ensure coaxial operation of the centering structure and synchronous rotation of the roller body, but also can calibrate the parallelism of the protective end cover through an inner-outer double-layer alignment structure, and the outer alignment seat is used to adhere to the outer side of the protective end cover, and the inner alignment seat is driven by hydraulic transmission to hold the inner side of the protective end cover, so that the inclination deviation of the protective end cover can be corrected reliably through the inner-outer cooperative action, and the parallelism between the inner and outer sides of the protective end cover and the end surface of the roller body is ensured.

This invention belongs to the field of steel pipe manufacturing technology, specifically relating to a method for manufacturing high-frequency straight seam welded pipes for dense-phase / supercritical CO2 transportation and the high-frequency straight seam welded pipes prepared using this method. It aims to solve the problem of the lack of stable and safe CO2 transportation pipelines suitable for long-distance, high-capacity dense-phase / supercritical CO2 transportation in existing technologies. The invention includes: pipe rolling, using an FFX rolling mill to roll milled steel strips into pipe blanks; high-frequency welding, performing high-frequency welding on the weld points of the pipe blanks using a double-electrode elastic floating contact welding process; and heat treatment. This invention can overcome the low-temperature crack initiation and crack arrest toughness defects in the application of high-frequency welded pipes for dense-phase / supercritical CO2 transportation.

The present application relates to the technical fields of metal component welding and automatic equipment manufacturing, in particular to a tower gap welding equipment, which comprises a welding gun and an automatic powder filling mechanism moving synchronously with the welding gun. The automatic powder filling mechanism comprises a hopper, a discharging pipe, a gap measuring roller, a discharging valve and a material guiding piece. The gap measuring roller has a V-shaped sharp edge rolling into the gap to be welded and has a downward tendency. The valve core of the discharging valve is connected with the gap measuring roller and can change the opening of the discharging pipe by lifting. The material guiding piece guides the discharged welding powder to the gap bypassing the gap measuring roller. The present application uses the mechanism that the gap measuring roller adapts to the gap width and drives the valve core to sink, so as to realize the accurate filling of the welding powder with the increase of the powder in wide gap and the decrease of the powder in narrow gap, solve the problems of welding collapse and material waste caused by constant powder supply in the prior art, and at the same time, cooperate with the follow-up material shovel and the adjustable lifting walkway to significantly improve the consistency of the non-uniform gap welding quality and the automatic operation level.

The present application belongs to the technical field of welding equipment, and particularly relates to a seam welding device, which comprises a mounting frame, a welding mechanism, a unwinding mechanism and a first driving device. The welding mechanism is arranged on the mounting frame and comprises a first welding wheel and a second welding wheel arranged in an upper-lower interval. The first welding wheel is located above the second welding wheel and can move up and down. Both the first welding wheel and the second welding wheel can rotate around their own axes. The unwinding mechanism is arranged on the mounting frame and located on one side of the welding mechanism. The unwinding mechanism is spaced by three from top to bottom. The first driving device is arranged on the mounting frame and used to drive the finished product to move away from the unwinding mechanism. The present application can make the first welding piece, the pole piece and the second welding piece form an upper-lower stack, the path is simple, and the first driving device is used to drive the finished product to move, so that the first welding wheel and the second welding wheel are driven to rotate, continuous welding is realized, and the present application has the advantages of high automation degree, high production efficiency and low production cost.

The utility model relates to a kind of automatic welding machines of ring slit, including rack, rack includes mesa, mesa is provided with crosspiece, and crosspiece is slidably connected with welding torch, and movable rotating head assembly that can have adjusting relative position is also equipped on mesa, crosspiece is slidably provided with at least two sliding blocks, and driving cylinder is vertically installed in sliding block, and driving cylinder is slidably installed with moving plate, and fixed plate is installed in moving plate side, and horizontal adjusting assembly is fixedly installed in fixed plate, and the other end of horizontal adjusting assembly is equipped with clamping block, and clamping block is clamped and connected to welding torch, and vertical fine adjustment assembly is also equipped between fixed plate and moving plate, at least two sliding blocks are provided on crosspiece, and driving cylinder is vertically installed on each sliding block, so that welding torch can be accurately adjusted in multiple directions, allowing simultaneously to multiple welds to work or quickly switch welding position, to greatly improve production efficiency.

The utility model discloses a welding seam guide mechanism of a high-frequency straight seam pipe welder, which comprises a support base, a shaping component and a welding component are mounted on the surface of the upper end of the support base, a horizontal guide component and a vertical guide component are arranged in the middle of the shaping component and the welding component, and a pipe is arranged in the shaping component; the horizontal guide assembly comprises two horizontal guide blocks which are symmetrically distributed; the vertical guide assembly comprises a welding seam clamping block and a vertical guide block, and the welding seam clamping block and the vertical guide block are located on the same vertical plane; under the joint cooperation of the horizontal guide block, the welding seam clamping block and the vertical guide block, the pipe can be limited in multiple directions, the position of the pipe can be comprehensively and accurately controlled, the situation that the pipe deviates, shakes and the like in the welding process is avoided, and the welding seam of the pipe is guided.

The utility model provides a kind of straight seam welding tool of coiled material product, belong to mechanical manufacturing field, including bottom plate, the surface fixed mounting of bottom plate has the fixed end of cylinder one, the output end fixed mounting of cylinder one has sliding plate, the top fixed mounting of sliding plate has connecting frame, the top fixed mounting of connecting frame has the fixed end of right cylinder, by placing coiled material in placing rack, so that by physical setting makes coiled material present U shape, coiled material product often has the characteristics of heavy weight, sharp edge, need to bend down and carry, align when artificial loading, not only labor intensity is big, also easily lead to safety accidents such as bruise, cut due to improper operation, by automatic loading mechanism can be completed coiled material transfer by vacuum suction nozzle adsorption, so that operating personnel place coiled material in placing rack automatic forming this step, subsequent coiled material welding is carried out automatically, further reduce the risk of injury, improve working environment.

The present application belongs to the field of steel pipe manufacturing auxiliary tools, in particular to a straight seam welded pipe inner weld polishing machine, aiming at solving the problems of low efficiency and poor quality of manual polishing due to the fact that the existing equipment is difficult to meet the requirements, the present application comprises a moving track, a lifting track, a beam cantilever and a polishing tool; the lifting track is arranged on the moving track, one end of the beam cantilever is arranged on the lifting track, and the other end of the beam cantilever is provided with the polishing tool; the polishing tool can enter the inside of the polished steel pipe to polish the weld; the polishing tool can move horizontally into the steel pipe through the setting of the moving track, and can rise and fall through the lifting track and the beam cantilever connecting the lifting track and the polishing tool, so that the polishing tool can accurately polish the weld of the pipe, improving the polishing accuracy and being more efficient than the manual polishing mode.

The utility model relates to the field of longitudinal welded pipe welding, and discloses a self-adaptive compression anti-deformation device for longitudinal welded pipe welding, which comprises a workbench, the top of the workbench is fixedly connected with a limiting cylinder, the left end of the limiting cylinder is fixedly connected with a motor I, the output end of the motor I is fixedly connected with a cross rotating rod, and the cross rotating rod is fixedly connected with a rotating shaft. A sleeve is slidably connected to the outer wall of the cross rotating rod, a circular block is fixedly connected to the right end of the sleeve, a limiting cylinder is rotatably connected to the outer wall of the right end of the sleeve, a limiting groove is formed in the inner wall of the limiting cylinder, a sliding block is slidably connected to the outer wall of the limiting groove, and a supporting plate is fixedly connected to the top of the sliding block. According to the utility model, the self-adaptive support of the support plate on the welded pipes with different inner diameters can be realized, the welding seam deviation caused by stress deformation or position deviation of the welded pipes in the welding process is avoided, the positioning accuracy before welding is improved, meanwhile, support parts with different specifications do not need to be replaced, and the universality of the equipment on the welded pipes with various pipe diameters is enhanced.

The application discloses a mast assembling production line and a mast manufacturing method. The mast assembling production line comprises a conveying device and first and second device areas arranged on opposite sides of the conveying device, and the first and second device areas extend along the conveying direction of the conveying device. The mast assembling production line comprises a plurality of assembly welding devices, inner welding seam welding devices, outer welding seam welding devices and detection and correction devices, and the plurality of assembly welding devices, inner welding seam welding devices, outer welding seam welding devices and detection and correction devices are arranged in the first or second device area. The assembly welding devices are used for assembling and welding various parts of the mast, the inner welding seam welding devices are used for welding the inner welding seams of the mast, the outer welding seam welding devices are used for welding the outer welding seams of the mast, and the detection and correction devices are used for detecting and correcting the deformation of the mast. The mast assembling production line has high automation, improves the machining efficiency and quality consistency, reduces the labor and lowers the safety hidden danger.

This invention discloses a longitudinal and circumferential seam welding device for large industrial storage tanks, relating to the field of large storage tank welding technology. It includes a base plate on which a welding mechanism is mounted, and a feeding mechanism for transporting the storage tank is located below the welding mechanism. The feeding mechanism includes a straight track fixedly mounted on the top surface of the base plate. A main track carriage and a secondary track carriage are slidably mounted on the straight track, and the main track carriage and the secondary track carriage are connected by a spacing adjustment structure. This invention achieves automated functions for tank transport and locking / unlocking. When the drive shaft rotates, it first drives the unlocking component, then drives the screw to move the storage tank. This completes the closed-loop control of "unlocking-transporting-locking" without manual intervention, eliminating component wear caused by manual unlocking errors and preventing tank displacement and welding misalignment due to vibration. Furthermore, it is easy to operate, thus improving both welding accuracy and operational convenience.

The utility model discloses a kind of pipe fittings automatic welding machine, it is related to pipe fittings manufacturing field.The pipe fittings automatic welding machine includes rack, the top of the rack is oppositely installed with first welding unit and second welding unit, the bottom of the second welding unit is provided with the clamping unit that drives it to move horizontally, and the clamping unit is slidably arranged on the top of the rack, the first welding unit and the second welding unit are all included base, positioning rotating component, vertical moving component, welding machine and fine adjustment component.The pipe fittings automatic welding machine, positioning rotating component drives pipe fittings uniform rotation, ensure the uniformity of ring seam welding, vertical moving component cooperates fine adjustment component can drive welding machine to carry out multidimensional position adjustment, and fine adjustment component realizes welding machine accurate position adjustment, accurately aligns weld center, reduces wrong side, bites edge defect.

The application relates to the technical field of pressure container welding, and discloses a girth seam welding tool with a locking function, which comprises a base, two supporting rollers are arranged at the top of the base, rotating shafts are arranged at the two ends of the supporting rollers, and the outer surfaces of the middle portions of the rotating shafts are rotatably arranged on the top of the base through supporting frames. The girth seam welding tool with the locking function is worked through the first hydraulic rod, the push plate is driven to move downwards, the push plate drives the swing rod to swing, the swing rod pushes the locking clamps to tightly adhere to the outer surfaces of the middle portions of the transmission shafts through the push rods when the swing rod swings, the rotation of the transmission shafts is limited, the rotation of the supporting rollers is limited through the chains, the rotation of the pressure container can be timely stopped when the workers fall down in the pressure container or other special conditions are encountered, continuous rotation of the pressure container is prevented, some accidents caused by the continuous rotation of the pressure container are avoided, and the safety during girth seam welding of the pressure container is improved.

The application provides a parallel seam welding full-automatic production process method, and relates to the technical field of microelectronic packaging manufacturing. The parallel seam welding full-automatic production process method comprises the following steps: firstly, the cover plate and the tube shell to be welded are sent into a protective gas sealed environment after vacuum baking; secondly, visual alignment and pre-welding fixation of the cover plate and the tube shell are completed in the sealed environment; thirdly, parallel seam welding is performed on two opposite edges of the pre-welded cover plate and tube shell, and welding energy is adjusted based on real-time electrode pressure and welding loop parameters; finally, the welded cover plate and tube shell are subjected to single-station time-sharing imaging, bright-field images and dark-field images of the weld are obtained, weld defects are identified through image processing, and the welded cover plate and tube shell are sorted based on the defect identification result. The method is automatically executed throughout the whole process, realizes full-process closed-loop production from baking, alignment, pre-welding, seam welding, defect detection to sorting, and greatly improves production efficiency and product packaging quality stability.

The application relates to the technical field of machine tool equipment, and discloses a deburring equipment for high-frequency straight seam welded pipe production, which comprises a machine table and a supporting beam, a plurality of conveying rollers are arranged on the machine table, the supporting beam is fixedly connected with the machine table through a support, the supporting beam is connected with a floating frame with a symmetrical structure through a lifting frame, the symmetrical surface is vertical and passes through the axis of a steel pipe, the floating frame can vertically float, floating springs are arranged between the floating frame and the lifting frame, and rollers are arranged at the bottom of the floating frame. The deburring equipment for high-frequency straight seam welded pipe production is self-adaptive and follows the floating mechanism, and predictive tool withdrawal is added, so that the scraping process is stably ensured, and stable, self-adaptive scraping and process protection of the weld burr in high-frequency welded pipe production are realized.

This invention belongs to the field of battery technology, specifically disclosing a battery cell. The cell comprises a cover plate and a housing, forming an accommodating space for mounting electrode arrays. A seam is formed between the circumferential sidewall of the cover plate and the inner wall of the housing. Along a direction perpendicular to the circumferential sidewall of the cover plate, the housing and cover plate are welded together using through-welding to form a first welded portion. Along a direction perpendicular to the plane of the cover plate, the housing and cover plate are welded together at the seam to form a second welded portion, located on the end face of the cover plate away from the electrode arrays. During the formation of the second welded portion, the existing first welded portion at the seam can shield the laser generated during its formation, preventing laser leakage into the accommodating space and damaging the electrode arrays. The use of two welding processes simultaneously ensures high connection strength between the housing and the cover plate, stable and reliable welding quality, and avoids incomplete welding.

The utility model discloses a kind of auxiliary devices for welding ring joint of connecting pipe, by being provided with a pair of supporting wheel on the pipe base, for supporting pipe fitting, pipe fitting is placed on a pair of supporting wheel, facilitate pipe fitting rotation, height adjusting assembly can adjust pipe base height, to realize the adjustment of pipe fitting height, annular seat is used for placing tubular workpiece, tubular workpiece is supported, positioned by positioning wheel, distance adjusting assembly can adjust the radial position of positioning wheel in annular seat, to adjust tubular workpiece position, when using, the position of tubular workpiece in annular seat can be determined first to make it be on annular seat central axis, then adjust pipe base height to make pipe fitting and tubular workpiece in annular seat be coaxial, moving movable support rib plate can make pipe fitting on pipe base and tubular workpiece in annular seat close, carry out assembly gap adjustment, facilitate overall rotating workpiece to adjust position, carry out observation and welding.

This invention provides a multi-layer filter resistance welding device, belonging to the field of resistance welding, comprising: a seam welding mechanism and a feeding and conveying mechanism; the feeding and conveying mechanism is connected to the seam welding mechanism; the seam welding mechanism includes a seam welding frame, a seam welding wheel, a welding core disposed directly below the seam welding wheel, clamping and forming mechanisms disposed on the left and right sides of the welding core, a lifting and positioning mechanism disposed below the welding core, and a forming lower die disposed on the lifting and positioning mechanism; the seam welding wheel is disposed on the seam welding frame via a lifting frame, the lifting and positioning mechanism lifts the mesh sheet fed to the forming lower die upwards, and the clamping and forming mechanisms on both sides clamp the mesh sheet relative to each other so that it wraps around the welding core. The first mesh sheet is fed to the welding position of the seam welding mechanism by the feeding and conveying mechanism for welding the first layer of filter screen; the second mesh sheet is fed to wrap around the first layer of filter screen and seam welded to the first layer of filter screen to form a double-layer filter screen weld; and so on, to form a multi-layer filter screen weld, realizing automated seam welding of multi-layer filter screens.

This application relates to the field of strip steel storage technology and discloses a discharge device for a high-frequency straight seam welded pipe production line, including a cage body. Two adjusting supports are symmetrically and movably installed inside the cage body. A discharge roller is rotatably mounted on the top of the cage body, and a guide shaft is fixedly installed on the side of the cage body near the discharge roller. The device uses torsion springs and correction plates to promptly correct the strip steel when it deflects. Simultaneously, the correction plates do not remain in constant contact with the side of the strip steel, thus reducing friction during its movement and lowering the probability of mismatch between the strip steel discharge speed and the traction speed on the production line. This maintains the stability of the strip steel conveying process, improves the production quality of the welded pipe, and allows for dynamic adjustment and buffering of the strip steel when tension fluctuations occur. This prevents instantaneous tension fluctuations caused by strip steel stacking, changes in discharge angle, etc., from impacting the equipment on the production line, thereby extending the equipment's service life.