515results about "High frequency current welding apparatus" patented technology

The present invention discloses an adjustable welding device, which relates to the technical field of welding devices, and includes: an adjustment mechanism, a clamping mechanism and a conveying mechanism. The adjustment mechanism includes an operating table, an L-shaped mounting plate is fixedly connected to one side of the outer wall of the operating table, two first slide rails are fixedly installed on one side of the outer wall of the L-shaped mounting plate, a sliding frame is movably sleeved between the outer walls of the two first slide rails, a first slide groove is opened on one side of the outer wall of the sliding frame, and a first slider is slidably embedded in the inner surface wall of the first slide groove. The present invention simplifies the structure of the welding equipment by setting an adjustment mechanism, so that the material is automatically delivered to the welding part during the welding process without the need for an additional power device, thereby greatly reducing the equipment cost and maintenance difficulty, and reducing the failure rate. In addition, the flexible adjustment of the welding height and the conveying distance enhances the flexibility and applicability of the equipment, thereby improving the production efficiency.

Provided is an electrical steel strip friction stir welding method that is able to inhibit the occurrence of coil joint fractures on a production line caused by deterioration of mechanical properties and shape of the coil joint while maintaining high work efficiency and that is also advantageous in terms of rotating tool durability. In the method, preheated double-sided friction stir welding is performed, diameter D (mm) of shoulders of rotating tools satisfies the relationship of the following Expression (7), and rotation speed RS (r / min) of the rotating tools, the diameter D (mm) of shoulders of the rotating tools, and joining speed JS (mm / min), expressed as RS×D3 / JS, satisfy the relationship of the following Expression (8), 4×TJ≤D≤10×TJ . . . (7), and 180×TJ≤RS×D3 / JS≤1500×TJ . . . (8).

The invention relates to the field of photovoltaic manufacturing, in particular to a stitch welding machine and a welding method. A conveying mechanism of the stitch welding machine is used for bearing a photovoltaic panel, a welding platform is provided with a welding station used for supporting and welding a battery piece welding strip and a bus bar, and the welding platform responds to control of a controller to weld the battery piece welding strip and the bus bar; and the carrying mechanism is at least partially arranged above the conveying mechanism, and the carrying mechanism is used for separating the battery piece from the glass plate, carrying the battery piece to the welding platform, enabling a welding strip of the battery piece to be in contact with the bus bar, and carrying the welded battery piece to the conveying mechanism to be combined with the glass plate. According to the stitch welding machine, the battery piece and the glass plate can be separated, the welded battery piece and the glass plate are combined, manual separation and combination operation on the battery piece and the glass plate is not needed, the labor cost is reduced, one-stop operation of battery piece machining is achieved, the intelligent degree is high, and the production efficiency of the battery piece is effectively improved.

A method of attaching a flat flexible cable (FFC) to a plurality of terminals of an electrical connector includes a step of arranging a plurality of terminals within a connector housing, with each terminal defining a weld area adapted to be electrically connected to a conductor of the FFC. The FFC is then positioned proximate the connector housing such that the weld areas of each terminal are arranged directly adjacent a respective one of a plurality of exposed conductors of the FFC. At least the weld areas of the plurality of terminals are heated with an inductive heating source for electrically connecting the plurality of conductors of the FFC to the plurality of terminals.

The present invention relates to the technical field of bus bar welding. Disclosed is a reflective trapezoidal bus bar, comprising a bus bar body, wherein the bus bar body comprises a conductive layer, a thermal resistance layer and a reflective film that are sequentially arranged. Disclosed is a trapezoidal bus bar welding machine, used for welding the reflective trapezoidal bus bar and comprising an interconnecting bar welding mechanism and a bus bar welding mechanism, wherein the bus bar welding mechanism is located on one side of the interconnecting bar welding mechanism; the bus bar welding mechanism comprises a welding assembly; the welding assembly comprises a welding plate, a lower pressing plate, and an electromagnetic induction welding head; the welding plate is fixed on a machine base, and an inverted trapezoidal groove is formed in the welding plate in a penetrating mode; the lower pressing plate is located directly above the welding plate and moves in the vertical direction, and the cross section of the lower pressing plate is in the shape of an inverted trapezoid; the electromagnetic induction welding head is arranged directly below the inverted trapezoidal groove, and the electromagnetic induction welding head moves in the length direction of the inverted trapezoidal groove. The reflective film can improve the light reflection capability of the bus bar and can reflect light to a battery piece, thereby improving the output power of a battery assembly.

A high-frequency induction melt-brazing method suitable for an anode aluminum guide rod and a steel claw comprises the steps that to-be-welded surfaces of the anode aluminum guide rod and the steel claw are pretreated, and then high-frequency electromagnetic induction heating coils are arranged around the steel claw; a layer of brazing filler metal is laid on the to-be-welded surface of the steel claw, the steel claw is heated to the first preset temperature through induction current generated by a high-frequency electromagnetic induction heating coil, the heating time is controlled to the first preset time, the brazing filler metal is molten and diffused to the to-be-welded surface of the steel claw, and a steel claw welding precursor is obtained; the anode aluminum guide rod is placed on the welding surface of the steel claw welding precursor, a layer of brazing filler metal is laid between the welding surface of the steel claw welding precursor and the anode aluminum guide rod, the induction current generated by the high-frequency electromagnetic induction heating coil is utilized again to heat the steel claw to the second preset temperature, the heating time is controlled to the second preset time, and the steel claw welding precursor is obtained. And high-frequency induction melt-brazing of the anode aluminum guide rod and the steel claw is realized.

The present invention relates to the field of welding technology, and discloses a high-frequency welding device for processing H-shaped steel and its welding process, including: a mounting frame; a correction component for correcting the H-shaped steel before welding; a cleaning component for cleaning impurities on the surface of the H-shaped steel before welding; a lower pressure roller is slidably mounted on the mounting frame, and two welding machines are installed on the mounting frame, and a welding head is provided on the welding machine. Through the setting of the correction component, the two side correction rollers and the lower correction roller correct and shape the moving H-shaped steel through extrusion, so that the H-shaped steel is corrected before welding, avoiding the occurrence of welds due to loose connection of the welding position caused by deformation, and improving the welding quality of the H-shaped steel. Through the setting of the No. 1 adjusting screw and the No. 2 adjusting screw, the staff can adjust the two side correction rollers in four directions to meet the correction operation of H-shaped steels of different thicknesses.

The present invention discloses a semi-automatic production line for producing heat-dissipating harmonica pipes, and belongs to the technical field of radiator production. The semi-automatic production line for producing heat-dissipating harmonica pipes comprises a manual loading position, a transfer table, a six-axis robot, a material unloading table, a material loading table and a high-frequency welding machine; the transfer table comprises a support frame, a first guide rod, a second guide rod, a first movable seat and a second movable seat, and a clamping seat is arranged on the top of the first movable seat and the second movable seat. In the semi-automatic production line for producing heat-dissipating harmonica pipes, the pre-assembled harmonica pipe kit is installed on the first movable seat by the worker, and then the first movable seat moves closer to the six-axis robot, and the six-axis robot takes off the harmonica pipe kit and transports it to the high-frequency welding machine for welding, thereby replacing the method of manually holding the pre-assembled harmonica pipe kit and placing it in the high-frequency welding machine, and avoiding the problem of parts falling or offset caused by human factors such as shaking or collision during the movement.

The invention discloses high-frequency welding equipment for automobile parts, and relates to the technical field of automobile welding, the high-frequency welding equipment comprises a rack, a welding workbench is fixed on the rack, a through hole is formed in the welding workbench in a penetrating manner, and a welding robot located beside the through hole is fixed on the upper surface of the welding workbench; according to the high-frequency welding equipment for the automobile parts, all the to-be-welded automobile parts are fixed to the bottom plates, the multiple bottom plates are evenly arranged in the vertical direction and located between the two protection plates, the protection plates and the bottom plates are connected through the supporting assemblies, and therefore the high-frequency welding equipment for the automobile parts is formed. The welding robot conducts welding work on the automobile part located at the topmost end, the welded automobile part is taken away, the welding robot can weld the automobile part fixed to the next bottom plate, the parking time of the welding robot is shortened, and the welding efficiency is improved.

The invention provides a diamond cutter welding machine, and belongs to the technical field of cutter welding equipment, the diamond cutter welding machine comprises a machining table and a mechanical arm, the machining table is connected with a lifting frame and a motor, the diamond cutter welding machine further comprises a knocking assembly, the knocking assembly is used for eliminating stress generated during cutter welding, and a positioning clamp is arranged in the knocking assembly; the pressing assembly is used for ensuring tight connection of the cutter; the welding tool has the beneficial effects that uniform pressure can be applied to the joint of the tool bit and the tool handle through the pressing assembly, so that the welding parts are tightly attached, the welding strength is improved, in addition, the tool bit is clamped through the knocking rod, the auxiliary positioning and supporting effects are achieved, and the welding quality is improved. And meanwhile, in the working process, the rotating shaft can drive the positioning clamp and the extrusion plate to synchronously rotate, so that the extrusion plate extrudes the ejector rod, the knocking rod can be driven to rapidly reset through the reset spring, knocking on the tool bit is achieved, the vibration effect is generated, and air holes are reduced.

The utility model belongs to the technical field of electromagnetic pulse welding, and particularly relates to a magnetic pulse welding device based on welding area maximization, a coil is arranged in a base, one surface of the base is used for arranging a flying plate and a supporting block and is provided with a through groove, and the working surface of a welding working area is in a concave arc shape and is arranged towards the through groove; the supporting block is used for supporting a workpiece with curvature, and the fixing structure is used for fixing the flying plate and the workpiece with curvature; during welding, the generatrix of the to-be-welded area of the workpiece with the curvature is parallel to the generatrix of the working face of the welding working area, and the to-be-welded area of the workpiece with the curvature coincides with the working face of the welding working area in the projection direction from the workpiece with the curvature to the welding working area. According to the utility model, the collision point position and the collision angle of the flying plate and the workpiece with curvature can be improved, the effective connection area of the welding area of the flying plate and the workpiece with curvature is increased, the excessive melting of an interface is avoided, and the strength of a welding joint is effectively improved.

An electric resistance welded pipe or tube comprises a weld portion in a pipe or tube longitudinal direction, wherein a maximum value of a wall thickness distribution of the weld portion is less than or equal to 1.05 times an average wall thickness of the electric resistance welded pipe or tube, a width of a weld metal in the weld portion in a circumferential direction is 1 μm or more and 800 μm or less over an entire thickness of the electric resistance welded pipe or tube, and a ratio of a maximum value to a minimum value (=maximum value / minimum value) of the width of the weld metal is 1.0 or more and 2.5 or less.

The utility model belongs to the technical field of bicycle manufacturing, and discloses a high-frequency welding device. A pipe fitting is placed on the base, accessories are placed on the pipe fitting, a main body support is installed on the mechanical arm, a high-frequency coil is installed on the lower side of the main body support, a through hole is formed in the main body support, a positioning rod is arranged in the through hole in a penetrating mode, and a limiting block is installed at the upper end of the positioning rod and abuts against the upper side of the main body support. A working area is formed on the inner side of the high-frequency coil, and the positioning rod penetrates through the working area to abut against the accessory. The problem that in the prior art, welding cannot be conducted by manually adjusting the position of an accessory is solved.

The high-frequency welding machine workbench comprises a rack, a liquid storage tank is arranged on the rack, a liquid storage tank is arranged in the liquid storage tank, the top of the liquid storage tank is open, elastic clamping assemblies are arranged in the liquid storage tank, and the two elastic clamping assemblies distributed oppositely are used for clamping a heat exchanger shell; and the infusion pump is connected with the water tank and the liquid storage tank. The water cooling device is novel in structure, good in water cooling effect, economical and practical, the induction coil is not prone to being burnt, and welding quality of finished products is improved.

The invention discloses an automatic high-frequency atmosphere protection welding machine for diamond, and relates to the technical field of welding, the automatic high-frequency atmosphere protection welding machine comprises a base, a protection mechanism, a driving mechanism, a workbench, a loading mechanism and a pressing mechanism, the top end of the base is fixedly provided with a high-frequency induction generation host, the outer wall of the high-frequency induction generation host is fixedly provided with a U-shaped coil, and the protection mechanism is arranged on the base; the driving mechanism is arranged in the protection mechanism, the loading mechanism is arranged on the workbench, and the pressing mechanism is arranged on the workbench. By means of the arrangement mode that the U-shaped coil, the protection mechanism, the driving mechanism, the workbench, the charging mechanism and the pressing mechanism are matched, automation of the welding process of the diamond machine-clamped blade can be achieved, blade positioning can be adjusted, the forming quality of the blade and a blade body can be controlled, downward pressure and tiny vibration force can be applied to the blade, and welding quality is improved. And therefore, the welding quality of the blade is further improved.

The invention belongs to the technical field of semiconductor processing, and particularly relates to a shell welding technology and device for semiconductor vacuum equipment manufacturing, and the technology comprises the steps: carrying out the surface cleaning of a to-be-welded region of a semiconductor vacuum equipment shell, and removing an oxidation layer, oil stains and impurities; the shell is placed on a special welding tool and fixed through a positioning pin and a clamp, and the accuracy and stability of the welding position are ensured; the welding tool and the shell are placed in a vacuum chamber, local heating is conducted on a welding area in a high-frequency induction heating or resistance heating mode, the heating temperature is controlled to be 80%-95% of the material melting point, and the heating time is controlled to be 1-10 seconds; applying constant pressure to the welding area to ensure sufficient bonding of a welding interface; and after heating is stopped, the pressure is kept, the shell is slowly cooled to the room temperature, vacuum degree testing and appearance inspection are conducted on the welded shell, it is ensured that the welding quality meets the requirement, and the effects that the high vacuum degree requirement is considered, cost is reduced, and operation is simplified are achieved.

The invention provides a steel pipe welding forming device, and belongs to the technical field of steel pipe welding machining equipment, the steel pipe welding forming device comprises a machining table, a forming conveying mechanism and a blowing mechanism are arranged at the upper end of the machining table, a protective frame and a steel pipe blank are arranged on one side of the blowing mechanism, and the protective frame is connected with a welder; the extrusion welding assembly is used for welding the steel pipe blank; the pressurizing assembly is used for adjusting the extrusion welding assembly; the vibration assembly is used for knocking the steel pipe blank; the device has the beneficial effects that the heat exchange area can be increased through the spiral grooves, and the air pump can be triggered to work along with temperature rise, so that the roller distance is changed, the extrusion force of the extrusion rollers on a steel pipe blank is reduced, molten metal is prevented from being excessively extruded out of a weld joint, the welding quality is improved, meanwhile, the steel pipe blank can be knocked and vibrated in a reciprocating mode through the vibration blocks, and the welding quality is improved. Therefore, weld beading formed by overflow is reduced, and the compactness of weld joints is improved.

The present invention relates to the technical field of photovoltaic preparation devices, and particularly to a cell string arrangement and welding all-in-one machine, comprising: a rack, wherein a transverse beam is provided on the rack; a cell string transmission device arranged on the rack below one end of the transverse beam; an arrangement and deviation rectification device arranged on one end of the transverse beam; a vacuum material receiving device arranged on the middle of the rack; a cell string welding device arranged on the other end of the transverse beam; and a control device arranged on the rack and comprising a control box mounted on the rack, wherein a controller and a touch display screen are mounted on the control box. The present invention combines the functions of an arrangement device and a stitch welding machine, and optimizes a transmission structure, so that the device structure is optimized and the production process is improved, thereby achieving the purposes of improving the production efficiency and reducing the device cost, and achieving the maximum economic benefit.

The utility model discloses a high-frequency welding device, which relates to the technical field of high-frequency welding and comprises two welding units capable of simultaneously welding a plurality of workpieces respectively. The electric conduction mechanism is arranged between the two welding units and used for controlling power on and power off of the two welding units; each welding unit comprises two groups of welding mechanisms, the two groups of welding mechanisms are respectively provided with welding surfaces which are oppositely distributed, and at least one of the welding surfaces is provided with a protective coating. According to the high-frequency welding machine, the welding unit and the electric conduction mechanism are arranged in a matched mode, simultaneous welding of a plurality of workpieces can be achieved while energy of the high-frequency welding machine is not increased, and the production efficiency is improved; the protective coating is arranged on the welding surface of the welding mechanism, so that ignition and shutdown caused by too short distance of the welding surface when the welding mechanism is used for welding a workpiece are prevented, and the service life of equipment is effectively prolonged.

The invention relates to the technical field of metal welding, and discloses milling cutter automatic welding equipment which comprises a base and a rotatable workbench installed on the base, a plurality of sets of clamping discs which can independently rotate and are used for fixing to-be-welded cutter bodies are evenly arranged on the workbench in the circumferential direction, and a material disc provided with the cutter bodies is arranged on the base. The base is further fixedly provided with a feeding robot. An alloy feeding robot is fixedly arranged on the base, a gluing structure is arranged between the vibration disc and the alloy feeding robot, and a welding device for welding a cutter alloy and a cutter body is further fixedly installed on the base; a multi-station parallel machining system is constructed, the workbench rotates to drive the clamping disc to continuously flow between the alloy conveying robots and the feeding robots, synchronous installation of the cutter body and the cutter alloy is completed, the cutter body assembling time is remarkably shortened, unmanned and high-precision continuous production of the whole cutter welding process is achieved, and the production efficiency is improved. And the production cost is greatly reduced.

The utility model relates to the technical field of fuse assembly, and provides a fuse threading and welding automatic assembly machine, which comprises a turntable, a clamping jaw is mounted on the turntable, the clamping jaw is used for clamping a porcelain tube, and the turntable is used for rotating the porcelain tube to different stations; the periphery of the rotating disc is sequentially provided with a porcelain tube pre-feeding mechanism. A one-end inner cap assembling mechanism; a one-end inner cap pressing mechanism; a first porcelain tube overturning mechanism; a two-end inner cap assembling mechanism; a two-end inner cap pressing mechanism; a one-end outer cap assembling mechanism; a threading mechanism; a one-end outer cap welding mechanism; a one-end semi-finished product length detection mechanism; a sand filling mechanism; a sand filling weighing mechanism; a two-end outer cap assembling mechanism; a second porcelain tube overturning mechanism; a two-end outer cap welding mechanism; a finished product length detection mechanism; the device comprises a product power-on detection mechanism, a resistor defect discharging mechanism, a secondary defect discharging mechanism and a non-defective product discharging mechanism. On the basis, the production efficiency can be improved, and meanwhile the product quality is guaranteed.

The utility model discloses a hard alloy automatic welding device which comprises a machine frame, a first mechanical arm, a second mechanical arm, a soldering lug cutting and soldering flux dispensing mechanism, a welding mechanism and a translation lifting air cylinder mechanism, a first material disc, a second material disc and a product disc are arranged on the machine frame, and a soldering lug placing station is arranged on the machine frame. The soldering lug cutting and soldering flux dispensing mechanism is provided with a slicing part, a soldering lug transferring part and a soldering flux dispensing part, the slicing part is used for cutting a soldering lug, the soldering lug transferring part is provided with a suction cup and adsorbs the cut soldering lug to a first material to be welded through the suction cup, and the soldering flux dispensing part dispenses soldering flux on the first material and the cut soldering lug; a welding coil is mounted in the middle of the welding mechanism, and an upper clamping jaw for clamping a second material is arranged above the welding mechanism corresponding to the welding coil; a lower clamping jaw is installed at the execution end of the translation lifting air cylinder mechanism, the upper clamping jaw and the lower clamping jaw clamp materials to a working area of a welding coil, and after the materials are welded, a welding product is transferred into a product disc through the second mechanical arm.

The invention relates to the technical field of copper bar welding, in particular to copper bar welding equipment which comprises a driving assembly for driving a welding head to move front and back, a lifting assembly for adjusting the height of the welding head, a cooling assembly for cooling a welded copper bar, a moving assembly for driving a water source to move and a limiting assembly for limiting the position of conveyed water flow. According to the copper bar welding device, the fixing blocks on the first rotating roller can generate an extrusion effect with the water bag in the rotating process, the extrusion effect is used for pushing cooling liquid in the water bag to flow to a specific cooling area, the cooling liquid in the water bag is pushed through pressure changes generated by extrusion, the welding position is cooled, and when the cooling liquid is sprayed to the copper bar welding position through the water bag, the cooling liquid is sprayed to the copper bar welding position through the water bag. And a large amount of steam can be generated due to mutual contact between high temperature and low temperature, and the steam is blown away through rotation of the rotating blades, so that workers are prevented from being hurt, and meanwhile, the situation that the welding condition of the copper bar cannot be observed due to steam diffusion is prevented.

The invention relates to the technical field of condenser manufacturing, in particular to an automobile condenser manufacturing and assembling device which comprises a main rack, a storage mechanism, a welding and assembling mechanism and a hydraulic rod, a feeding frame and a conveying belt which are equal in height are arranged on the outer side of the main rack, and a condenser is placed on the feeding frame and the conveying belt; a hollowed-out frame is fixedly connected to the top face of the main machine frame, and a transmission mechanism is arranged at the top end of the hollowed-out frame. The U-shaped pipe inserting and welding steps are combined, so that the U-shaped pipes can be stably assembled, the assembling precision of each U-shaped pipe is basically consistent, the welding head is controlled to perform high-frequency welding on the connecting part at a fixed distance along with the inserting movement of the U-shaped pipes by utilizing the monomer stretching and welding assembly, the welding consistency of the U-shaped pipes is improved, and the problem that the welding efficiency is high during manual assembly is effectively solved. The problem that the welding position of the U-shaped pipe has certain deviation is solved, manual operation is replaced by mechanical operation, and the burden of workers is relieved.

The invention belongs to the technical field of photovoltaic ground pile manufacturing, and particularly relates to photovoltaic ground pile nut welding equipment which comprises a ground pile pipe feeding unit, a nut feeding unit, a ground pile pipe positioning and clamping unit and a nut welding unit. The ground pile pipe positioning and clamping unit comprises a positioning frame, a first positioning piece used for being inserted into a pipe cavity of the ground pile pipe in a positioning mode and a second positioning piece used for being inserted into a pointed cone part of the ground pile pipe in a positioning mode. The first driving mechanism is in transmission connection with the first positioning piece to drive the first positioning piece to rotate; the second driving mechanism is in transmission connection with the second positioning piece to drive the second positioning piece to synchronously rotate with the first positioning piece; and at least one of the first driving mechanism and the second driving mechanism is movably assembled on the positioning frame, so that the first positioning piece and the second positioning piece clamp the ground pile pipe. According to the photovoltaic ground pile nut welding device, nut welding operation can be conducted on a photovoltaic ground pile pipe subjected to drilling and pointed cone forming, and the overall quality of a photovoltaic ground pile is guaranteed.

A technique that can suppress welding defects is provided. An electrical resistance welded steel pipe welding management device (100) includes a pre-electrical resistance welding edge temperature detector (122) configured to detect, before electrical resistance welding, based on temperature distribution information in a thickness direction of at least one of edge portions of the open pipe, an outer surface temperature To, an inner surface temperature Ti, and a thickness center temperature Tc of the edge portion, an edge temperature difference calculator (125) configured to calculate a temperature difference ΔT between the outer surface temperature To and the inner surface temperature Ti, a V convergence point extractor (133) configured to extract, based on image information of a region including both the edge portions of the open pipe and a welding point, two straight lines converging along the edge portions to extract a V convergence point being an intersection of the two straight lines, a V convergence angle calculator (134) configured to calculate a V convergence angle θ, a narrow gap length calculator (135) configured to calculate a distance from the V convergence point to the welding point as a narrow gap length L, and a welding state determiner (141) configured to determine whether an electrical resistance welding condition is satisfactory based on information of ΔT, Tc, θ, and L.

The utility model discloses air conditioner condenser welding equipment, which relates to the technical field of condenser processing, and comprises a welding table, a high-frequency induction welding head, a translation assembly, a lifting assembly, a rotating assembly and a conveying assembly, the high-frequency induction welding head is arranged at the side end of the conveying belt on the welding table. The rotating assembly comprises a rotating motor arranged at the rear end of the high-frequency induction welding head. The translation assembly is arranged at the rear end of the rotating motor; the high-frequency induction welding head can transversely move to weld a U-shaped copper pipe on the condenser, the high-frequency induction welding head can ascend and descend through the lifting air cylinder, the high-frequency induction welding head can be suitable for welding copper pipes of different sizes on the condensers, the high-frequency induction welding head can also rotate, and the welding efficiency is improved. And the high-frequency induction welding head can be used for welding U-shaped copper pipes at various mounting angles, so that the welding is safer and more efficient.

The present application relates to a kind of automatic assembly mechanism of knife head and knife handle in scalpel production, including the assembly turntable capable of rotating along vertical center, the top of the assembly turntable is provided with two opposite knife handle assembly clamps along the edge of diameter direction two sides, the position of one of the knife handle assembly clamps is the combined station for the assembly of knife head and knife handle, the position of the other knife handle assembly clamp is the feeding station for the feeding of knife handle, and the feeding station for the feeding of knife head and knife handle after assembly, the outside of assembly turntable is provided with three-axis motion module, the free end of three-axis motion module is provided with knife head clamp, the knife head clamp is adjacent to the knife handle assembly clamp at combined station on assembly turntable, and high-frequency induction heating coil is also provided on the side of combined station upper side.In the assembly of knife head and knife handle, knife head is heated by high-frequency induction heating coil, so that knife head can be combined with knife handle to form a solid unit.

The invention relates to the technical field of metal welding, and discloses an automatic welding device for metal longitudinal welded pipe machining, which comprises a bottom plate, a high-frequency welding machine fixedly mounted on the bottom plate, a heating ring fixedly mounted on the high-frequency welding machine, a conveying device fixedly mounted on the upper side of the bottom plate, and two conveying rollers mounted on the conveying device, an installation block is fixedly installed on the upper side of the bottom plate, a base is fixedly installed on the upper side of the installation block, and a metal pipe needing to be welded is conveyed to the position between the two extrusion rollers through the conveying device, so that the metal pipe needing to be welded can penetrate through the heating ring, and heating treatment can be conducted on the metal pipe needing to be welded; then the straight seam of the metal pipe needing to be welded can be welded through extrusion of the extrusion pipe and the extrusion wheel, the vertical position of the extrusion wheel can be adjusted through back-and-forth rotation of the screw rod, meanwhile, the extrusion wheel applies pressure through the pressure of the pressure spring, and meanwhile, the situation that the metal pipe needing to be welded is deformed due to too large pressure is avoided.

The utility model discloses an induction brazing device for welding a wear-resistant layer on a detachable outer roller sleeve. The induction brazing device comprises an induction brazing tool, the induction brazing tool comprises an upper die, a lower die, a lifting mechanism and an induction brazing heating mechanism. A lower groove is formed in the lower die, the detachable and replaceable outer roller sleeve is tightly plugged in the lower groove through a plug plate, a wear-resistant structure is placed on the upper surface of the detachable and replaceable outer roller sleeve, and the space between the wear-resistant structure and the detachable and replaceable outer roller sleeve is filled with welding flux; the telescopic end of the lifting mechanism is connected with the upper die, the upper die is connected with a pressing plate, the lower surface of the upper die is connected with a heating wire in the induction brazing heating mechanism, and when the pressing plate of the upper die is pressed on the abrasion-resistant structure in the lower die, a gap is formed between the heating wire and the abrasion-resistant structure. The abrasion-resistant structure can be welded to the outer surface of the detachable outer roller sleeve in an induction brazing mode, the welding time is short, meanwhile, the stress influence is reduced, damage to the detachable outer roller sleeve is reduced, and the service life of the detachable outer roller sleeve is prolonged.