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45results about How to "Fast welding speed" patented technology

Stainless steel laser welding parameter optimization method based on dynamic annular scanning path

ActiveCN119634952Aeven heat distributionlow heat inputLaser beam welding apparatusWeld seamTemperature monitoring
The invention discloses a stainless steel laser welding parameter optimization method based on a dynamic annular scanning path. The stainless steel laser welding parameter optimization method comprises the steps that S1, welding parameter setting is initialized to be suitable for controlling welding heat distribution; s2, measuring the material thickness of the welding area of the stainless steel workpiece before welding; s3, the scanning path layer number and the progressive speed are determined according to the welding parameters; s4, the welding control system adjusts welding parameters according to the temperature monitoring data; s5, the laser welding control system adjusts the layer number, the progressive speed and the scanning path radius of the dynamic annular scanning path in real time; s6, the scanning amplitude, the scanning frequency and the welding speed are optimized in real time; and S7, after welding is completed, quality detection is conducted on a welding seam, and detection data are compared with a preset welding quality standard. According to the method, accurate control over welding heat input, remarkable improvement of the welding seam quality and comprehensive optimization of the welding efficiency are achieved.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Laser and TIG (Tungsten Inert Gas) magnetic control hybrid welding process for nickel-based alloy pipe production line

The invention relates to the technical field of hybrid welding, in particular to a laser and TIG magnetic control hybrid welding process for a nickel-based alloy pipe production line, which comprises the following steps: pipe manufacturing, preparation, conveying and preheating, welding and cooling, equipment comprises a dust-free welding chamber and a welding pipe, a welding mechanism is arranged in the dust-free welding chamber, and the welding pipe is arranged in the dust-free welding chamber. The welding mechanism comprises a high-frequency pulse TIG welding gun and a laser transmitter, a magnetic field mechanism is arranged in the high-frequency pulse TIG welding gun, and a tungsten electrode end is arranged at the end, away from the adjusting frame, of the high-frequency pulse TIG welding gun. The method has the advantages that optical fiber laser welding is combined with the high-frequency pulse TIG arc and external alternating magnetic field technology, the welding speed is remarkably increased, rapid heating is achieved through optical fiber laser welding, the stirring and mixing effects of a molten pool are enhanced through adding of the high-frequency pulse TIG arc and the alternating magnetic field, the alternating magnetic field stirs the interior of the molten pool, grains are refined, and the overall performance of a welding seam is improved; therefore, thermal stress and deformation of weld metal are reduced, and welding efficiency and quality are improved.
Owner:ZHEJIANG SHUANGYIN SPECIAL MATERIAL TECH CO LTD

Quick-release advanced steel material welding auxiliary clamp

ActiveCN224406715UImprove detachment efficiencyFast welding speedStructural engineeringWelding
The utility model discloses a quick detach type advanced steel material welding auxiliary fixture, including support seat, the upper of support seat is provided with first advanced steel material body, the rear side of first advanced steel material body is provided with first clamp block, adjust the block, set up in the downside of first clamp block, and the inboard of adjust the block is provided with adjusting structure, the upside of first clamp block is provided with connecting block, and the front side of connecting block is provided with first locating rod, the outside of first locating rod is installed with locating cylinder, limit rod, set up in the inside of locating cylinder. The quick detach type advanced steel material welding auxiliary fixture, through to advanced steel material auxiliary fixture carries out quick detach type assembly, effectively improved the efficiency that advanced steel material that welds completed separated from the clamp, improved the speed of welding, at the same time, through to the adjustment of welding interval, effectively improved the application scope of advanced steel material welding.
Owner:JIANGXI WENSHANG HANGZHOU XIAOLUJIAN TECHNOLOGY CO LTD

A high-voltage large-current fast fuse

A high-voltage and high-current fast fuse comprises an end cover, a contact, a fuse tube, a fuse body, a fuse body guide column, arc extinguishing filler and a fastening screw, characterized in that two or more fuse body guide columns are arranged in the fuse tube, the fuse body is fixed on the fuse body guide column in a spiral winding manner, the contact is provided with a fuse body perforation, the fuse body is welded on the outer end surface of the contact through the perforation, the end cover end surface is overlapped on the outer end of the contact and is connected and fixed with the contact through the fastening screw installed hole of the end cover and the contact and the fastening screw. The disadvantages of poor welding are overcome to the maximum extent. In the case of not increasing the length of the fuse tube or even shortening the length, the rated voltage and the rated current of the fuse can be effectively improved, the anti-impact and anti-bumping capabilities of the fuse are improved, and the fuse can be used to protect the integrated power system of a ship, a large energy storage and power transmission system and other high-voltage and high-current power transmission systems.
Owner:HESEN ELECTRIC (WUXI) CO LTD

A high-speed negative ion hair dryer heating wire welding device and method thereof

The present invention belongs to the technical field of hair dryer heating wire assembly welding, specifically, a high-speed negative ion hair dryer heating wire assembly welding device and a method thereof, comprising a workbench, a conveyor belt is installed on the workbench, a fixing frame is installed on the conveyor belt, a cylinder is installed on the workbench, a pressure plate is installed on the cylinder, and a welding manipulator is also installed on the workbench; the fixing frame comprises a mounting seat and a lifting seat, the mounting seat is fixedly mounted on the conveyor belt, the lifting seat and the mounting seat are hingedly connected, a lifting groove is provided on the lifting seat, a lifting block is installed on the workbench, the lifting block and the lifting groove match each other; a placement groove is provided on the lifting seat, and the surface of the placement groove is smooth; the present invention has a simple structure, and can fully fix and position the heating wire, so as to ensure that the position and angle of the heating wire are accurate during welding, thereby facilitating the welding of the heating wire and improving the welding speed and welding quality of the heating wire.
Owner:MAXWELL (GUANGZHOU) ELECTRIC CO LTD

An ultrasonic horn piercing and welding tool

ActiveCN224348425UImprove welding strengthFast welding speed
The utility model discloses an ultrasonic unit puncture welding tool, including ultrasonic generator and cylinder, the ultrasonic generator is fixed on aluminium box, the bottom surface of aluminium box is installed with guide rail, the piston rod of cylinder is connected with aluminium box, the cylinder pushes aluminium box and does reciprocating motion on guide rail, the guide rail is installed on the shell, the ultrasonic generator and female welding head are linked, two sub welding heads are set up on female welding head and extend, two sub welding heads are arranged parallel to each other, and every sub welding head is in flat shape to penetrate material and weld. The ultrasonic unit puncture welding tool provided by the utility model adopts ultrasonic generator to cooperate with sub female welding head, and high frequency vibration energy is applied to the surface of the material to be welded. Not only the welding speed is fast, and the welding strength is high, but also the welding depth can be accurately controlled, the product pass rate is improved, energy saving and environmental protection, and the adaptability is strong.
Owner:FENGPAI TECH (SHANGHAI) CO LTD

Welding device for steel

The utility model relates to the technical field of steel machining equipment, and discloses a steel welding device which comprises a machine base, two symmetrical fixing plates are fixedly connected to the inner side face of the machine base, welding power source equipment is fixedly connected to the upper surfaces of the two fixing plates, and angle adjusting assemblies are arranged on the upper surfaces of the two fixing plates. And fixed seats are arranged above the two fixed plates. According to the welding device for the steel, through the effects of the welding power source equipment, the mounting plate and the welding gun, the conveyed steel can be automatically welded, so that manual operation can be reduced, the labor cost is reduced, the extension length and angle of the welding gun can be adjusted under the effects of an angle adjusting assembly and a hydraulic telescopic rod, and the welding efficiency is improved. Therefore, the height and the angle of the welding gun can be adjusted according to actual conditions, the welding quality is improved, meanwhile, the welding applicability is enhanced, continuous manual opposite welding is not needed in the automatic welding process, the welding speed is high, and the production efficiency is greatly improved.
Owner:DONGGUAN LIANTAI STEEL STRUCTURE CO LTD

Spot welding machine with cooling function

The invention discloses a spot welding machine with a cooling function, and relates to the technical field of welding, the spot welding machine comprises a spot welding machine main body of a rectangular frame structure, and the top end of the spot welding machine main body is fixedly connected with a plurality of welding cylinders which are used for controlling an electrode to move up and down and completing pressing and loosening operation in the spot welding process; the inner wall of the spot welding machine body is fixedly connected with a machining table used for providing a stable supporting face for a machined workpiece and optimizing the layout and positioning mode of the workpiece on the machining table, and the bottom end of the welding air cylinder is fixedly connected with a welding head used for directly providing current and pressure and making contact with and melting metal. Arc friction track mechanisms are arranged on the two sides of the welding air cylinder, an arc strike welding mechanism is arranged in the center of the upper end of the machining table, splashing shielding mechanisms are arranged on the two sides of the upper end of the machining table, and an outer friction disc and an inner friction disc are matched with each other, so that the arc friction track mechanisms move along an arc track; and heat distribution of a welding area can be more uniform.
Owner:XIQIAO TECH NANJING CO LTD

Welding device for flame cutting machine machining

The utility model relates to a welding device for flame cutting machine processing, comprising: a base, on which a material placing table is arranged, the material placing table is provided with a plurality of clamping pieces, and the clamping pieces are used for fixing a weldment; a three-axis driving part is arranged on the base, a laser welding head is rotationally arranged on the three-axis driving part, and a rotating part is arranged on the three-axis driving part; and the three-axis driving part comprises an x-axis driving part, a y-axis driving part arranged on the x-axis driving part and a z-axis driving part arranged on the y-axis driving part, and a mounting table is arranged on the z-axis driving part. According to the laser welding device, through accurate control of the three-axis driving part, the laser welding head and the rotating part can achieve high-precision positioning in a three-dimensional space, and the laser welding quality is improved. And meanwhile, the welding device can adapt to the welding requirements of different angles on the weldment, and the welding flexibility and diversity are improved, so that the requirement of manual intervention is reduced, and the welding speed and the production efficiency are improved.
Owner:HUBEI TUOYE ENGINEERING TECHNOLOGY CO LTD

Method, device and processor for determining a welding gap of a welding point

This application discloses a method, apparatus, and processor for determining the welding gap of a welding point. The method includes: determining the gap of the next welding point while the welding equipment is welding the current welding point; determining the actual welding parameters of multiple welding points that have been welded before the current welding point; inputting the gap and all the actual welding parameters into a prediction model and obtaining the prediction difference output by the prediction model; and determining the difference between the gap and the prediction difference as the actual welding gap of the next welding point. This allows for determining the actual welding gap of the welding point using only a single acquisition device and prediction model, improving welding accuracy, and enabling timely and accurate determination of gap changes at the welding point, thereby accelerating the welding speed.
Owner:ZHONGKE YUNGU TECH

A thin-walled rectangular corrugated steel plate connecting joint welding method

PendingCN122644885AGuaranteed structural strengthReduce the difficulty of welding operationButt jointClassical mechanics
The present application provides a thin-walled rectangular corrugated steel plate connecting joint welding method, comprising: laying multiple rectangular corrugated steel plates in sequence along the length direction and welding to obtain a whole corrugated steel plate; forming a circle through a circle forming device to make the leading end and the tail end of the whole corrugated steel plate butt joint to form a connecting joint; arranging at least one patching steel plate at the connecting joint, the patching steel plate covering the connecting joint, at least a part of the patching steel plate being in contact with the surface of the rectangular corrugated steel plates on both sides of the connecting joint, or at least a part of the patching steel plate extending into the interior of the connecting joint, and the patching steel plate being temporarily fixed on the surface of the whole corrugated steel plate through spot welding; feeding the whole corrugated steel plate temporarily fixed again into the circle forming device to perform circle processing; and welding the edges of the patching steel plate in contact with the corrugated steel plate to form four straight intermittent welds to fix the patching steel plate on the whole corrugated steel plate.
Owner:HUBEI ZHONGNAN PIPELINE CO LTD

A suspended ceiling profile calibration welding apparatus

The application discloses a suspended ceiling profile calibration welding equipment and relates to the technical field of welding. The equipment comprises a welding mechanism, a feeding mechanism and a calibration mechanism. The welding mechanism and the feeding mechanism are installed on a rack. The welding mechanism, the feeding mechanism and the calibration mechanism are in electrical communication with a control system circuit. The calibration mechanism comprises a pair of traction assemblies and a calibration circuit. The pair of traction assemblies are symmetrically arranged in the rack. Each traction assembly comprises a steel cable, a winding machine and a support machine. The steel cable is connected between the winding machine and the support machine. The support machine is arranged outside the rack. The calibration circuit comprises a pair of sliding variable resistance elements. The pair of sliding variable resistance elements are respectively arranged in the pair of winding machines. The feeding mechanism and the welding mechanism work cooperatively to realize automatic feeding, positioning and peripheral welding. An operator only needs to simply control to complete a plurality of welding, thereby guaranteeing uniform and consistent welding seams, improving welding speed and product quality and being applicable to batch and on-site rapid construction requirements.
Owner:山东青桥建筑科技有限公司

Differential and vehicle

The utility model relates to a kind of differential and vehicle, its shell is fixedly connected by welding with main reduction gear, shell is constituted by two half shells and is respectively installed in the axial both sides end surface of main reduction gear. Fixed part for and half shell welding is equipped on the axial both sides end surface of main reduction gear, and positioning part spaced apart from fixed part welding area in radial direction is also equipped, and positioning part supports half shell when welding. The technical scheme will positioning part and welding area be spaced apart, avoid the influence of positioning accuracy by heat distortion generated in welding process, can effectively improve the assembly accuracy and overall performance of differential, ensure the reliable operation of differential.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

A manual argon arc welding method for welding a container closure weld with a metal backing

This invention discloses a manual argon arc welding method for sealing welds of containers with metal gaskets, aiming to solve the problems of multiple filler layers, poor welding quality, and slow speed in existing technologies. The method includes butt welding of base materials, attaching a metal gasket to the base material, with a bottom gap of 1-2 mm formed by the butt welding; using tungsten inert gas (TIG) welding to weld the base material and metal gasket together in one pass at both included angles to form the weld seam. During welding, the welding torch current is 180-220 A, the arc length is controlled within 2 mm, the welding speed is 20-22 cm / min, and two weld layers are formed. This invention is suitable for welding butt welds of sealed containers with metal gaskets, achieving the effects of fewer weld layers, high welding quality, and high speed.
Owner:SUZHOU OXYGENERATOR CO LTD

Rapid low-temperature welding equipment for stainless steel pump pull rod and stainless steel single-head bolt

ActiveCN224128801UFast welding speedWelding accessoriesSS - Stainless steelSeam welding
The utility model relates to rapid low-temperature welding equipment for a stainless steel pumping pull rod and a stainless steel single-head bolt, which comprises a lower electrode holder and an upper electrode block, a positioning groove for fixing the stainless steel pumping pull rod is arranged on the lower electrode holder, and a positioning seat for positioning the stainless steel single-head bolt is arranged on one side of the positioning groove. According to the rapid low-temperature welding equipment for the stainless steel pumping pull rod and the stainless steel single-head bolt, when welding is needed, the stainless steel pumping pull rod is placed on the positioning groove of the lower electrode base and makes contact with the lower electrode base, then the stainless steel single-head bolt is placed on the positioning base and attached to the end of the stainless steel pumping pull rod, and the stainless steel pumping pull rod and the stainless steel single-head bolt are welded. The upper electrode block is pressed downwards, the stainless steel single-head bolt is fixed through the arc-shaped groove, the stainless steel single-head bolt is centered, then the stainless steel single-head bolt and the stainless steel single-head bolt are instantly welded together rapidly through large current, and the speed is higher than the speed that two workpieces need to be firmly fixed through argon arc welding and then subjected to full-length welding or direct-acting straight seam welding in a split-edge welding mode through manual work in the prior art.
Owner:RUINENG PUMP IND (FUJIAN) CO LTD

Y-shaped three-phase arc high-voltage discharge system for optical fiber fusion splicer

The invention belongs to the field of optical fiber corollary equipment, and discloses a Y-type three-phase arc high-voltage discharge system for an optical fiber fusion splicer, a ZYNQ development board generates two signals which are respectively used as driving signals of switching tubes of a Boost circuit module and a Flyback circuit module, the ZYNQ development board boosts an input direct-current voltage through the Boost circuit module, and outputs the boosted direct-current voltage to the Flyback circuit module; the system comprises three groups of Flyback circuit modules, the three groups of Flyback circuit modules are boosted and then serve as input voltages of the three groups of Flyback circuit modules, three groups of three-phase direct-current high voltages with the same voltage amplitude and the phase difference of 120 degrees in pairs are obtained, the three groups of Flyback circuit modules are connected with a three-phase discharging device, the three-phase direct-current high voltages break down air to form three-phase Y-shaped electric arcs, and optical fibers are welded through radiant heat zones generated by the electric arcs. The heat production power is high, so that welding of large-diameter optical fibers is facilitated; the temperature in the thermal radiation field is radially and symmetrically distributed, the center of the temperature zone is uniformly heated, and the heating effect is good.
Owner:NANJING UNIV OF POSTS & TELECOMM

Joint of copper terminal and aluminium conductor and plasma welding method therefor

Provided is a joint of a copper terminal and an aluminium conductor. A copper terminal connecting member of the joint is connected to a conductive core of the aluminium conductor by means of a transition welding layer, and the joint can also be provided with a reinforcing welding layer. Further provided is a method for preparing the joint using plasma arc welding. According to the invention, the connection portion of the copper terminal with the aluminium conductor is filled with solder in a plasma arc welding manner, such that copper and aluminium are connected by means of the solder. Damage to an aluminium oxide layer during welding increases the conductivity and can also isolate the copper terminal and the aluminium conductor, thus preventing an electrochemical reaction between the copper and the aluminium, prolonging the service life of the joint of the copper terminal and the aluminium conductor, and ensuring the mechanical and electrical performances of the connection structure.
Owner:JILIN ZHONG YING HIGH TECH CO LTD

Clamp for welding ladder truck movable platform

The invention relates to the technical field of welding devices, in particular to a clamp for welding a ladder truck movable platform, which comprises a workbench, an assembling groove is formed in the upper end of the workbench, a fence main body is arranged on the inner side of the assembling groove, and mounting plates are fixedly connected to the positions, close to the two sides, of the upper end of the workbench; air cylinders are installed on the sides, away from each other, of the two sets of mounting plates, clamping mechanisms are installed on the sides, close to each other, of the two sets of mounting plates, each clamping mechanism comprises a clamping plate, grinding mechanisms are installed on the sides, close to each other, of the two sets of clamping plates, and through mutual cooperation of the air cylinders and arc-shaped clamping rings, grinding is conducted on the grinding mechanisms; the arc edges on the two sides of the fence body and the bottom plate body can be limited, deviation in the welding process is avoided, the welding process is more stable, a first gear and clamping teeth are matched with each other, a welding head can be made to be attached to welding seams of the arc edges all the time and conduct welding, additional angle adjusting and horizontal moving of the welding head are avoided, and the welding process is more efficient.
Owner:XUZHOU BESTER ENGINEERING MACHINERY CO LTD

Flange welding device for tower drum production

The application discloses a flange welding device for tower drum production and belongs to the technical field of welding devices. The flange welding device for tower drum production comprises a tower drum body and a flange body matched with the tower drum body, first fixing rings and second fixing rings are arranged outside the contact positions of the tower drum body and the flange body respectively, rotatable arc-shaped sliding plates are arranged between the first fixing rings and the second fixing rings, ring plates are fixedly installed on the inner sides of the first fixing rings and the second fixing rings, and arc-shaped grooves matched with the ring plates are formed in the corresponding side surfaces of the arc-shaped sliding plates. Compared with traditional manual welding, the flange welding device for tower drum production not only improves the welding speed of a laser welding head on the tower drum and the flange, but also can realize automatic completion of the overlay welding, the laser welding head can keep stable welding during the working process, and therefore the quality of the weld between the tower drum and the flange is improved.
Owner:MCC HEAVY IND (XINJIANG) CO LTD

A group of spot welding integrated process

This application relates to an integrated assembly and spot welding process, belonging to the field of welding technology. The production process includes the following steps: Step 101: A steel pipe alignment device is used to position two steel pipes, keeping their axes aligned, thus forming a weld between them; Step 102: A weld positioning device is used to position the weld between the two steel pipes; Step 103: A laser welding machine is used, with at least two laser welding machines spaced apart around the perimeter of the steel pipes, to weld the weld seam; Step 104: An adjustment device is used to quickly adjust the laser welding machines to the weld seam between the two steel pipes. This application eliminates the need for manual welding, prevents sparks and spatter from posing a safety threat to workers, improves the positioning efficiency of the steel pipes, and thus increases the welding speed.
Owner:JIANGSU FIRST HYDRAULIC TECH

Positioning and welding device for alloy steel mechanical parts

The invention relates to the technical field of plasma arc welding, and discloses an alloy steel mechanical part positioning welding device which comprises a welding table and a driving disc arranged on the top face of the welding table, a welding base is fixedly installed at the position, located on the side edge of the driving disc, of the top face of the welding table, and a plasma arc welding gun is arranged at the movable end of the welding base. A plurality of evenly-distributed mounting holes are formed in the top face of the driving disc, and a plurality of supports are arranged on the top face of the driving disc. According to the clamping device, the position of the support is adjusted, a limiting plate and a positioning plate are matched to ensure that the support is coaxially installed in an installation hole, then the support is attached to the outer wall of a workpiece through a spring telescopic rod and a pressing strip, the spring telescopic rod is fixed through a locking frame, and multi-point adaptive clamping can be formed according to the irregular shape of the special-shaped workpiece; meanwhile, due to the angle locking design of the locking cone pulley and the locking cap, deviation of the workpiece in the welding process is avoided, the problem that special-shaped alloy steel accessories are difficult to fix is solved, it is guaranteed that the workpiece is accurately positioned and firmly fixed before welding, and a foundation is laid for high-quality welding.
Owner:HUBEI WANXIN PRECISION CASTING & FORGING INC

Battery end plate made of metal plate

The utility model relates to the technical field of battery end plates, in particular to a battery end plate made of metal plates, which comprises a base plate, the left edge and the right edge of the base plate are respectively provided with a first bending portion in a bending mode, and the upper edge and the lower edge of the base plate are respectively provided with a second bending portion in a bending mode. The first bending part and the second bending part are welded at the opposite angle positions of the corresponding base plate to form an enclosed structure, and a reinforcing framework used for reinforcing the strength of the base plate is further welded in the area, located in the first bending part and the second bending part, of the base plate. The enclosing structure formed by bending the base plate endows the end plate foundation with a rigid frame, the welded reinforcing framework specifically enhances the bearing capacity of key parts, and the enclosing structure and the welded reinforcing framework act synergistically, so that the problem of insufficient forming strength of traditional metal plate stamping and welding is effectively solved, the battery end plate can stably support and fix a battery cell group, and the service life of the battery end plate is prolonged. And various external forces in the use process can be borne.
Owner:HUIZHOU XINLIDA TECH CO LTD

Composite welding method of austenitic stainless steel plate

The invention relates to the field of welding processing technology of steel, and discloses a composite welding method of an austenitic stainless steel plate, which comprises the following steps: step 1, preparing two plate materials, and processing the end part of each plate material to form a U-shaped groove and an I-shaped groove; secondly, the groove ends of the two plate materials are assembled to form an assembly body, and the I-shaped grooves of the two plate materials are arranged in an attached mode; 3, the assembly is placed in a working chamber, the assembly is heated to a preset temperature, and the working chamber is vacuumized to a preset vacuum degree; fourthly, the assembly is welded through electron beam welding; 5, machining the excess weld metal of an electron beam welding seam, and enabling the transition position of the U-shaped groove and the I-shaped groove to be in smooth transition; and sixthly, filler wire welding is conducted on the U-shaped groove of the assembly. Therefore, the two plates are welded through the welding method combining electron beam welding and wire filling welding, the welding requirement for the plates with the large thickness (such as the plates with the thickness larger than 160 mm) can be met, and the welding efficiency and the welding seam quality are improved.
Owner:聚变新能(安徽)有限公司 +1

Quick positioning and welding device for tunnel arch connecting flange plate

ActiveCN224737569UGuaranteed smooth assemblyQuick Position Welding
This utility model relates to the field of tunnel construction equipment technology, specifically to a rapid positioning and welding device for tunnel arch frame connecting flange plates. It includes clamping rods and positioning clamping plates. The two clamping rods are hinged together at the middle, with a clamping side and an operating side on either side of the hinge point. The positioning clamping plates are fixedly connected to the clamping sides of the clamping rods. The inner sides of the two positioning clamping plates are provided with positioning cavities matching the shape of the arch frame. An elastic element is provided between the two clamping rods on the operating side to maintain a clamping tendency. Positioning structures corresponding to the flange holes of the arch frame connecting flange plates are provided on the sides of the positioning clamping plates. This rapid positioning and welding device for tunnel arch frame connecting flange plates, through the cooperation of the positioning clamping plates and positioning structures, can quickly and accurately achieve the positioning and welding of the arch frame connecting flange plates, avoiding many problems caused by inaccurate positioning and ensuring the rapid and smooth assembly of the tunnel arch frame.
Owner:CHINA RAILWAY 20TH BUREAU GROUP CO LTD

A new type of welding auxiliary device for quick-opening pressure vessel

The utility model belongs to pressure vessel welding field, concretely is a kind of novel quick-acting door type pressure vessel welding auxiliary device, including fixed base, the fixed base is welded in the middle position of spherical cap head, and with centripetal ball bearing, center seat realizes coaxial stable connection. The center seat is connected with connecting rod by fixed bolt, the connecting rod is welded with balance adjusting seat integrally. The balance adjusting seat and length adjusting screw rod are fixed by adjusting nut, the length adjusting screw rod is welded together with automatic submerged-arc welding trolley. The utility model structure design is reasonable, by rotating center seat and connecting rod, balance adjusting seat, length adjusting screw rod connection, under the centripetal force provided by the automatic welding submerged-arc trolley fixed in the front end of length adjusting screw rod, make it carry out circumferential motion, make automatic welding submerged-arc trolley can better carry out welding to the group of the circumferential weld of spherical cap head and upper flange, compared with the welding of manual arc welding, the design improves the forming and welding speed of weld, improves work efficiency, reduces cost.
Owner:LIAONING CONSTR INSTALLATION GRP

Metal powder core type welding wire and method for surface modification of furnace discharging roller way of heating furnace

The invention discloses a metal powder core type welding wire and method for surface modification of a furnace discharging table of a heating furnace, the metal powder core type welding wire comprises a powder core and a welding skin, the powder core is composed of the following components of, by mass, 35%-55% of Ni, 15.0%-17.0% of Cr, 15%-19% of Fe, 4.0%-5.0% of Nb, 2.8%-4.3% of Mo, 5.0%-15.0% of TiC, 0.5%-2.25% of Zr and 1.5%-2.5% of B, and the sum of the mass percentages of the components is 100%; the welding skin is a nickel-based alloy strip; the filling amount of the powder core powder in the metal powder core type welding wire ranges from 18 wt.% to 25 wt.%. The welding wire can be used for preparing a nickel-based alloy cladding layer on a heating furnace discharge roller way, and the hardness, wear resistance and corrosion resistance of the heating furnace discharge roller way are improved. The invention further discloses a preparation method of the metal powder core type welding wire and a method for modifying the surface of a furnace discharging roller way of a heating furnace.
Owner:JIANGSU JUXIN PETROLEUM STEEL PIPE

A copper and aluminum tube welding device for refrigeration equipment

ActiveCN224273945UCircumferential weldingFast welding speedWelding/cutting auxillary devicesAuxillary welding devicesGear wheelElectric machinery
This utility model relates to the field of copper and aluminum tube welding technology, and in particular to a copper and aluminum tube welding device for refrigeration equipment. It includes a base, with pads fixed to both ends of the top of the base, and a support frame fixed to the top of each pad. An installation mechanism is rotatably mounted inside the support frame, and a clamping mechanism is provided inside the installation mechanism. The installation frame is fixed to the middle of the top of the base, and a welding head is installed in the middle of the bottom of the installation frame. The advantages are: after the clamping mechanism stabilizes the device, during the welding process, the motor drives the gear to rotate. Through the meshing transmission between the gear and the tooth groove, the installation ring and the copper / aluminum tube rotate synchronously, thus enabling continuous circumferential welding at the weld joint, resulting in a fast welding speed.
Owner:CHANGZHOU HAOHAN WANKANG NANO MATERIAL CO LTD

High-flexibility double-robot welding workstation for transformer cooling fins

The utility model provides a transformer cooling fin high-flexibility double-robot welding work station which comprises a pair of clamps, a pair of welding robots, a pair of welding robots, a pair of welding robots, a pair of welding robots and a pair of welding robots, wherein the clamps are the same in structure and are oppositely arranged in the X direction; each clamp comprises a Y-direction limiting unit, a clamping unit and a pressing unit, and the Y-direction limiting unit, the clamping unit and the pressing unit are sequentially distributed in the Y direction and all arranged on the side, facing the product to be welded, of the clamp support. The two ends of the Y-direction limiting unit are detachably connected with the clamp support. The Y-direction distance between the pressing unit and the product pipe can be adjusted; the to-be-welded product comprises a product pipe; the end, in the Y direction, of the product pipe of the product to be welded abuts against the Y-direction limiting unit or the clamp support, and the other end, in the Y direction, of the product pipe abuts against a pressing block of the pressing unit. Wherein one clamp and one welding robot body are fixed to the base and arranged on the bottom frame, and the bottom frame and the base are connected through the X-direction moving unit. The flexible welding device can achieve automatic welding and is suitable for products of different specifications so as to achieve flexible welding.
Owner:SHANGHAI CHAIFU ROBOT CO LTD

Double-straight-seam welding device for radiator

The utility model provides a radiator double-straight-seam welding device, which relates to the technical field of radiator processing, and comprises a box body, a cold air conveying assembly is fixedly connected to one side outside the box body, the cold air conveying assembly comprises an air inlet box, one side of the air inlet box is fixedly connected to the box body, and the other side of the air inlet box is fixedly connected to the box body. An air suction device is installed at the end, away from the box body, of the air inlet box, a cold air box is fixedly connected to the top end of the box body, fins are fixedly connected to the inner wall of the cold air box, and a semiconductor chilling plate is fixedly connected to the top end of each fin. According to the utility model, direct and effective air cooling is provided, so that the cooling efficiency and the welding speed are greatly improved, the whole welding process is further optimized, impurities, particulate matters and harmful gases in the air in the air bellow are adsorbed, and when the purification effect of the activated carbon is poor, the activated carbon of the filter assembly can be replaced, so that the production cost is reduced. Operation is simple and convenient.
Owner:XINXIANG FAST POWER EQUIP CO LTD

Automatic welding equipment for multi-interface fluid component branch pipe

The utility model provides automatic welding equipment for a multi-interface fluid component branch pipe, and belongs to the field of welding equipment. The problems of low welding efficiency and low automation degree are solved. The multi-connector fluid component branch pipe automatic welding equipment comprises a control system, a workbench, a tool trolley, a conveying belt mechanism and a feeding mechanism, a sliding rail and a truss stretching across the sliding rail are arranged on the workbench, a clamping and conveying mechanism is installed on the truss, a pre-assembling mechanism is arranged between the feeding mechanism and the tool trolley, and a clamping and conveying mechanism is installed on the clamping and conveying mechanism. A welding mechanism is further installed on the truss and comprises a pressing assembly and a welding assembly, the pressing assembly ascends and descends through a driving air cylinder to press and position the pre-inserted branch pipe, and the welding assembly achieves multi-directional welding through a rotating device and an angle adjusting device. The welding device has the advantage of high welding efficiency.
Owner:YUHUAN WEIBANG MASCH TOOL CO LTD