56results about How to "To achieve the purpose of welding" patented technology

The invention relates to the technical field of welding, in particular to an aclinal self-upsetting, stirring and friction welding method and tool. The tool comprises a stirring head and a stirring needle, the stirring head is of a hollow structure, the stirring needle is rotatably arranged in the hollow structure of the stirring head and can stretch and retract in the stirring head, the axis of the stirring head and the axis of the stirring needle are overlapped, a shaft shoulder of the stirring head is provided with a forging boss, and the height of the forging boss is smaller than the height of the stirring portion left after the stirring needle extends out of the stirring head. In the whole welding process, a dip angle adjusting mechanism does not need to be arranged on equipment, complexity of the welding equipment is reduced, the angle between the shaft shoulder of the stirring head and a plane normal of a material to be welded is 0 degree, and accordingly aclinal stirring friction welding is achieved. When an aclinal stirring friction welding technology is adopted in two-dimensional plane welding, the angle of the stirring head does not need to be adjusted at a welding seam corner, welding procedures are reduced, meanwhile, the dip angle adjusting mechanism does not need to be arranged on the equipment, complexity of the welding equipment is reduced, and welding efficiency is improved.

The invention discloses a battery pole group welding device. The battery pole group welding device comprises a base, a battery pole group clamping mechanism and a pneumatic compressing mechanism, wherein the battery pole group clamping mechanism and the pneumatic compressing mechanism are in driving connection. The battery pole group welding device further comprises a mold box base plate which is arranged on the base, wherein the battery pole group clamping mechanism is arranged on the mold box base plate and comprises a movable side plate group and a fixed side plate group. The invention further discloses a battery pole group welding method. According to the device and the method, a first movable side plate, a second movable side plate, a first fixed side plate and a second fixed side plate which are connected with the pneumatic compressing mechanism are arranged, the first movable side plate is pushed by the pneumatic compressing mechanism, the second movable side plate is driven by the first movable side plate through a first connecting rod, and battery poles and separation plates, which are placed between the movable side plate group and the fixed side plate group are simultaneously compressed, so that the aim that whole groups of battery poles are welded together can be realized.

The invention discloses a mechanical arm device is used for automatic welding of stainless steel pipes. The mechanical arm device comprises an input power source, a moving device, an executing arm anda control system, the moving device, the executing arm and the control system are electrically connected with the input power source respectively, the moving device and the executing arm are in meshed connection through a gear, the executing arm is electrically connected with the control system. According to the mechanical arm device, a modern intelligent mechanical technology is adopted, a mechanical arm device capable of moving along the arc-shaped rail and realizing multi-azimuth multi-angle welding operation is designed, a large amount of labor cost and labor are saved, and the productionefficiency is greatly improved.

The invention provides a preparing method for high-temperature brazing filler metal for foam silver filling based on metal tin. The high-temperature brazing filler metal is a metal sheet formed by filling the foam silver with nanoscale pores through the metal tin, wherein the foam silver piece is obtained by corroding a silver-based metal alloy sheet through a de-alloying method. The foam silver is filled with the liquid metal tin under the capillary action, and preparing of a brazing filler metal sheet is achieved. The brazing filler metal sheet is used for welding so that low-temperature (240 DEG C) welding can be achieved, welding points can bear the high-temperature (480 DEG C) service, welding point reliability and weld joint stability are greatly improved, and the preparing method can be widely applied to various high-temperature welding fields.

The invention provides an assembling welding method of a side guard plate of a hydraulic support. The side guard plate of the hydraulic support comprises a side plate and a top plate. The assembling welding method comprises the following steps: measuring the width of the top plate, and determining reverse deformation according to the width; enabling the bottom of the top plate to be in contact with the side plate; obliquely moving the top of the top plate to change the reverse deformation; and then welding three welded joints along a part, which is in contact with the top plate, of the side plate, and naturally cooling after welding is finished, wherein the top plate deforms along the side plate so that the top plate is perpendicular to the side plate. The assembling welding method of the side guard plate of the hydraulic support has the advantages of scientific design, simplicity in operation, low production cost, reliable production quality and small deformation after welding.

The invention discloses a super-thick plate splicing method. The method comprises the following steps that S1, an X-shaped notch is formed in super-thick plates, and butt-joint of the super-thick plates is completed; S2, the splice joint height is adjusted, and a first distance is made to meet requirements; S3, welding on the upper side surface of a splice joint is completed; S4, the super-thick plates are overturned; S5, the splice joint height is adjusted, and a second distance is made to meet requirements; and S6, welding on the super-thick plates is completed. According to the super-thickplate splicing method, by propping up the splice joint, the thicknesses of the super-thick plates are adjusted, different reverse deformation heights are arranged for different super-thick plates, andpre-set reverse deformation is adsorbed by heat shrinkage produced after welding. Meanwhile, pressing blocks are used for pressing the super-thick plates after the super-thick plates are overturned,and post welding deformation is further controlled. According to the super-thick plate splicing method, on the premise that the welding quality of the super-thick plates is guaranteed, the purpose that welding can be completed after the super-thick plates are overturned for one time is achieved, the splicing time is saved, and the splicing cost for the super-thick plates is lowered.

The invention provides a pulse current auxiliary self-resistance heating device and a method for partial quick brazing by utilizing the same, relates to a heating device and a method for quick brazing by utilizing the heating device, and aims to solve the problems that during existing welding, a base material and brazing filler metal need to be heated integrally, the energy consumption is high, the heating range is large when partial heating is performed, and a temperature field is uneven. The device comprises a press machine upper plate, a press machine main cylinder, two press machine guide rails, a press machine sliding block, a first ceramic insulating plate, a second ceramic insulating plate, a first electrode, a second electrode, a pulsed power supply, a press machine platform, a first wire and a second wire. The method comprises the steps of adjusting the press machine sliding block to press a first welding base body, the welding brazing filler metal and a second welding base body; causing the pulsed power supply to supply power to the first electrode and the second electrode, heating an area between the first electrode and the second electrode, applying pressure, maintaining the pressure, and performing welding. The device is suitable for partial quick brazing.

The invention relates to the technical field of steel structure welding devices, and discloses a welding device for a steel structure. The welding device for the steel structure comprises a bottom plate, wherein a supporting mechanism is fixedly mounted at the top of the bottom plate, and comprises a base; limiting grooves are formed in the two sides of the base; a material groove is formed in the middle of the base; a grinding mechanism is arranged in front of the top of the base; a welding mechanism is arranged behind the top of the base; and the two limiting grooves penetrate through the front end and the rear end of the base. According to the welding device for the steel structure provided by the invention, sliding rods and compression springs are arranged on the two sides of a moving plate, a triangular plate is arranged on the right side of the moving plate, when the grinding mechanism operates and a grinding roller grinds a steel component, a second hydraulic push rod pushes the triangular plate to ascend, then the triangular plate is in sliding connection with a cylinder, then the moving plate compresses the compression springs to the bottom, then the compression springs push the moving plate through elastic force, and the process is repeated, so that the grinding roller can quickly grind the steel component to be flat.

The invention relates to the technical field of an auxiliary device for pipeline welding, in particular to a process pipeline welding working station. The process pipeline welding working station comprises a horizontal track and a workshop, wherein the workshop is fixedly arranged on the middle part of the horizontal track; the left side and the right side of the workshop are provided with a material inlet and a material outlet which are communicated with the horizontal track respectively; the left part and the right part of the horizontal track are provided with a left bracket trolley and a right bracket trolley respectively; the horizontal track between the left bracket trolley and the right bracket trolley is provided with at least two conveying roller carriers; the upper part in the workshop is fixedly provided with a lifting device. The process pipeline welding working station has a rational and compact structure and is convenient to use; the purposes of transporting and lifting pipe fittings and welding between the pipe fittings are realized through cooperative use of the horizontal track, the workshop, a lifting, clamping and welding device and the lifting device; the process pipeline welding working station has the characteristics of flexibility and convenience in disassembly, safety and reliability, the operation is facilitated, the welding quality and the welding efficiency are improved, and the labor intensity and the production cost of operation personnel are reduced.

The invention discloses an automatic plug-in machine for plug-in mounting production of specially-shaped electronic elements, which comprises a plug-in moving assembly, one end of the plug-in moving assembly is connected with a plug-in mounting assembly, a transmission assembly is arranged below the plug-in mounting assembly, one side of the transmission assembly is provided with an electronic component conveying assembly, the plug-in mounting assembly comprises a servo motor, and one end of the servo motor is connected with a rotating plate. One end of the rotating plate is connected with four first electric telescopic rods and clamp connecting plates arranged at the ends, away from the rotating plate, of the first electric telescopic rods. According to the invention, an insertion end of an electronic component is dipped into tin liquid in a tin liquid box by a micro electric clamp; and then the micro electric clamp inserts the insertion end of the electronic component into the circuit board, so that the purpose of welding when the electronic component is inserted into the circuit board is achieved; and compared with the traditional technology, the production efficiency of the specially-shaped electronic component is greatly improved, and the current production requirement is met.

The invention relates to a welding flux used to cast iron and point welding. It is formed by mixing graphite powder, nickel powder, copper powder and iron powder together with each element's weight ratio: graphite powder 30-40úÑ, nickel powder10-20úÑ, copper powder10-20úÑ and iron powder 30-40úÑ. It locates the welding flux between the two parts waiting for welding, and uses the welding high temperature of the point welding machine to oxide graphite powder and changes it into CO.2. gas which has protecting function; the alloy which is formed by fusing the nickel powder, copper powder and iron powder can diffuse into cast iron material to form welding layer.

The invention discloses a base welding device for a swivel chair. The base welding device comprises a base, a spring, a fan and a through groove, an object containing plate is installed on the upper end face of the base, a round hole is formed in one side of the object containing plate, a fixing block is arranged on the lower end face of the object containing plate, the spring is installed on theother side of the object containing plate, a supporting plate is arranged at the end of the base, the fan is installed on the inner side of the supporting plate, a supporting rod is arranged on the upper end face of an operation plate, a motor is installed inside the operation plate, a connecting shaft is arranged at the end of the motor, the through groove is formed in the operation plate, and anelectric stretchable rod is installed inside the through groove. According to the base welding device for the swivel chair, the motor rotates to drive a fixed rod to slide in the through groove, andthe object welding aim is achieved; and as a swivel chair base is mostly connected with a supporting device through a circular structure, a moving track of a welding head is of a round structure, andwelding is more efficient.

A novel steel wire mesh framework plastic composite pipe is a whole pipe formed by interconnection of a plurality of segments of composite pipe components sequentially through electric heat fusion joints in a welding manner, each segment of composite pipe component is formed by mutual wrapping of two or more layers of plastic pipes made of high density polyethylene, a steel wire mesh framework is arranged between two adjacent layers of plastic pipes, and the steel wire mesh frameworks and the plastic pipes are spliced into a whole through bonding layers. The electric heat fusion connection manner is adopted, the connecting strength and the sealing effect are obvious, and axial-tension-resisting capability of pipes obtained after connection is high. The novel steel wire mesh framework plastic composite pipe is formed by compositing two materials of steel and plastic, the phenomenon that plastic pipes difficultly overcome rapid stress cracking is avoided, and strength, rigidity and impact resistance superior to those of a common pure plastic pipe are achieved; the beneficial effect that the plastic pipes are small in weight is achieved, and mounting is convenient; double-face anti-corrosion performance the same with that of the plastic pipes is achieved, and the heat conductivity coefficient is low; the service life of the pipes is prolonged; and through adjustment of diameters of steel wires, thickness of plastic layers and the like, the pipes with different pressure grades are manufactured.

The invention discloses disposable scaling powder used for high-temperature soldering. The disposable scaling powder is characterized by comprising the following ingredients in parts by weight: 1-5 parts of modified rosin, 0.5-2 parts of dicarboxylic acid active agent, 0.1-0.5% part of non-ionic surface active agent, 20-30 parts of rosin cycloparaffin, 60-75 parts of alcohols solvent, 0.05-0.5 part of heterocyclic compound. Due to the adoption of the technical scheme, the scaling powder has the characteristics that the energy storage stability is high, the smoke is little when passing by a furnace, the insulation resistance left after welding is high, the corrosivity is low, the electrical property is excellent and the like, and is suitable for the cleaning-free process of industries such as electrical inductance, network transformer and capacitance.

The invention relates to the field of laser welding auxiliary equipment, in particular to a positioning device of a high-precision laser butt welding machine. The positioning device comprises a base,a power mechanism, two butt joint mechanisms and two positioning mechanisms which are symmetrically arranged on the top of the base and have the same structures. The two butt joint mechanisms are symmetrically arranged between the two positioning mechanisms. Each positioning mechanism comprises a guide seat, a positioning clamp, an intercepting part and a pressing part. The positioning clamps canbe movably arranged above the guide seats through tension springs, the two intercepting parts are arranged at the close ends of the two positioning clamps, the intercepting parts can rotate through rotary motors, the two pressing parts are arranged above the close ends of the two positioning clamps, the two butt joint mechanisms are connected with one ends of the two positioning clamps, and the power mechanism is in transmission connection with the two butt joint mechanisms. Two pre-welded base materials can be accurately in butt joint automatically, the problems that gaps are too large and the surfaces are not smooth after butt joint are completely eradicated, and therefore the following welding quality is improved.

The invention relates to an electric soldering iron, comprising a handle, a heating core and a welding head, wherein the heating core is arranged in the handle and is in contact with the welding head, and the lower part of the welding head is of a semi-conical structure. The electric soldering iron is characterized in that a groove is formed in the lower part of the welding head, a flow channel is formed below the groove, one end of the flow channel is communicated with the groove, and the other end of the flow channel is communicated all through to a tail end at the lower part of the welding head. The electric soldering iron provided by the invention has the advantages of convenience for welding, safety and reliability, and a welded circuit joint has an attractive overall appearance.

The invention discloses a metal pipe welding device for building construction, and the welding device is a device for carrying out complete and continuous welding on connection gaps through the rotation of pipes and for carrying out welding by cooperating with a situation that the pipes are pressed against and close to each other. The metal pipe welding device for the building construction is characterized in that a fixed box body is arranged on a main support plate, one end of a driving rod is arranged on the inner wall of one side of the fixed box body through a bearing, and the other end ofthe driving rod passes through the other side of the fixed box body through the bearing. Worm wheels are arranged on the driving rod and are located in the fixed box body, and two guide sleeves are respectively arranged on the main support plate and are parallel to each other. Two screws respectively penetrate through the fixed box body, and one ends of the two screws are respectively installed in the two guide sleeves on the main support plate. The screws are meshed with the worm wheels, a main vertical plate is arranged on the main support plate and is located on one side of the fixed box body. A through hole is formed in the main vertical plate, a baffle plate is arranged at one end of the main support plate, a second connecting cavity is arranged between the baffle plate and the mainvertical plate, and one end of a pressing rod passes through the through hole in the main vertical plate and is arranged between the main vertical plate and the baffle plate.

The invention discloses a welding system, a welding method and device. The method comprises the steps that weld joint starting point information sent by an industrial camera is obtained, and the weldjoint starting point information is used for describing a weld joint starting point of a to-be-welded object; and a welding gun is controlled to perform welding operation on the to-be-welded object based on the welding seam starting point information. According to the invention, the technical problem of low welding efficiency caused by low reliability of a mode for patrolling points of the to-be-welded object in related technologies is solved.

The invention relates to the technical field of welding tools, and discloses a manual clamping intelligent welding tool for the heavy hammer tensioning support of a mine belt conveyor. The manual clamping intelligent welding tool comprises a base, a movable clamping mechanism is fixedly connected to the top of the base, a shell is fixedly connected to the four corners of the top of the base, and supporting blocks are fixedly connected to the four corners of the front face of the shell. A sliding rod is fixedly connected to the inner side of the supporting block, an operation door is slidably connected to the middle of the sliding rod, and a welding mechanism is fixedly connected to the middle in the shell. According to the manual clamping intelligent welding tool for the heavy hammer tensioning support of the mine belt conveyor, through the arranged movable clamping mechanism, a clamping block can be conveniently away from an operation plate through pulling of a pull ring, at the moment, a welding piece is conveniently placed on the top of the operation plate, the pull ring is loosened, and the welding piece is clamped and fixed to the top of the operation plate through the clamping block under the action of a spring; and meanwhile, a motor is started to drive a gear to rotate, the operation plate can move left and right on a sliding rail under cooperation of the gear, and therefore the high-requirement welding purpose is achieved.

The invention discloses a disassembly-free environment-friendly packaging bag. The disassembly-free environment-friendly packaging bag comprises a bag body, wherein one side of the bag body is provided with a one-way exhaust device, a reinforcing structure is arranged inside the bag body, portable mechanisms are arranged on the two sides of the upper end of the bag body, a first opening is formedin the other side of the bag body, a feeding pipe is arranged on one side of the first opening, a fixing block is fixed on one side of the top of the bag body, and the fixing block is located at the upper end of the first opening. All the surfaces of the packaging bag are rectangular and have anti-skid strips, so that the stacking is convenient, the stacking is higher, and the packaging bag is high-grade and attractive; a filling opening is convenient to fill, and the filling opening can be plugged into a second opening to be packaged after the filling is finished, the sealing is tighter and more convenient, and the bag body is high in hardness, high in tensile strength, good in toughness, and not easy to damage, and has one-way air permeability; and the possibility of a burst bag is reduced during extrusion, the packaging bag is not disassembled, the packaging bag can be used as a raw material after the raw material in the packaging bag is used, waste of resources is reduced, and resources are saved.

The invention discloses a plastic laser welding method. The method comprises the following steps: (1) applying water to a to-be-welded region of to-be-welded plastic so as to keep the to-be-welded region of the to-be-welded plastic in close contact; (2) irradiating the to-be-welded region with a laser to complete welding of plastic. Water is used as a solder (a photothermal conversion carrier) without doping of any other light absorption filler or pigment, so that green, environment friendliness, no toxicity and harmlessness are truly achieved; the method has great application value in fieldsof food packaging, medical devices, welding of precision and complicated plastic parts and the like.

The invention relates to the technical field of welding consumables, and specifically relates to a formula for rapidly manufacturing cast iron electrodes. A common steel electrode is used as a substrate, flux is applied to the substrate, the flux comprises compositions including, by mass, 80% of iron sesquioxide, 15% of ferroferric oxide and 5% of calcium carbonate. By means of the formula and themanufacturing method for rapidly manufacturing the cast iron electrodes, according to the obtained cast iron electrodes, in the welding process, powder coated on the substrate uses heat of the electrodes to participate in a redox reaction, a core wire of the substrate is oxidized and reduced into materials similar to base metal, and therefore the welding aim is achieved; the manufacturing cast issimple, fast, ready-to-use, low in formula raw material price and easy to purchase and reduces the business capital backlog and the capital cost; and the quality of the cast iron electrodes manufactured according to the manufacturing method in the embodiment is ensured, and the welding quality and effect are ensured.