190 results about "Induction welding" patented technology

The present invention relates to the technical field of welding machines. Disclosed is a high-frequency induction welding machine, comprising: a welding machine main body, a mounting base, an upper mold and a lower mold, wherein a coil is mounted on the lower mold, and a monitoring assembly, a welding protection assembly and an extrusion protection assembly are provided on the upper mold. In the present invention, by means of improving the upper mold and providing the monitoring assembly, the welding protection assembly and the extrusion protection assembly, when the monitoring assembly detects a position offset of an upper plastic member by means of an ejector pin, the welding protection assembly operates and controls the circuit of the coil to be in a disconnected state, such that the coil is prevented from heating a metal medium on a lower plastic member, and damage to the lower plastic member is thus avoided; moreover, after the extrusion protection assembly operates, the pressure of an upper-mold main body on the upper plastic member is reduced, such that the deformation of or damage to the upper plastic member caused by the upper-mold main body continuously pressing down on the upper plastic member with a relatively large pressure is prevented. In such a manner, the upper plastic member and the lower plastic member can both be protected, thereby reducing the probability of product damage, reducing economic losses, and achieving a higher safety.

The utility model relates to a high sealing suspension style dryer, including shell, end cap, filter subassembly and spring, the shell is provided with inner cavity, and is located air inlet and welding end of inner cavity both ends, the inner cavity is connected with filter subassembly in clamping, end cap is welded in shell through welding end, and the spring is provided between end cap and filter subassembly. The end cover is provided with an air outlet communicated with the inner cavity; the main purpose of the utility model is that the shell and the end cover are both plastic parts, and the shell is connected with the end cover through the welding end by a friction welding process or an induction welding process, so that the whole dryer is modularized, the air tightness of the dryer is ensured, and the product percent of pass is improved.

The invention discloses an induction welding device for precise instrument machining. The induction welding device comprises a workbench, a movable plate slidably connected to the surface of the workbench and a supporting plate fixed to the top surface of the workbench. A first mounting seat and a second mounting seat are symmetrically mounted on the two sides of the top surface of the moving plate correspondingly, clamping assemblies are mounted on the side surfaces of the first mounting seat and the second mounting seat correspondingly, and the clamping assemblies are used for clamping a heat dissipation pipeline; and the welding assembly is installed on the upper portion of the workbench, and the welding assembly is used for welding the heat dissipation pipeline. According to the welding device, the rotating assembly and the clamping assembly are arranged, a heat dissipation pipeline is clamped on one side of the first mounting base and one side of the second mounting base through two clamping rings, a motor is started in the forward direction to drive a rotating shaft to drive a U-shaped plate to rotate, and therefore heat dissipation copper pipes are evenly heated in the welding process; the welding quality problem possibly caused by uneven welding temperature is effectively prevented, and then the overall welding quality and reliability are improved.

The present invention discloses a production method of a seamless titanium thermos cup welded pipe, comprising step a forming and welding; step b scraping and finishing; step c sawing or cold drawing; step d cleaning and annealing, step a forming and welding: the forming roller extrude the titanium strip into shape, the high-frequency induction current rapidly heats the edge of the strip, and the extrusion roller extrude and welds the edge, step b scraping and finishing: the inner and outer scraping knives continuously scrape the weld slag extruded at the weld seam, and the finishing roller extrude and correct the roundness and straightness of the welded pipe, thereby obtaining a high-frequency induction welded titanium pipe, and step c sawing or cold drawing: the high-speed sawing machine follows the fixed length to cut the high-frequency induction welded titanium pipe. The seamless titanium thermos cup welded pipe produced by the present invention is a titanium welded pipe made of high-frequency induction welding, has high dimensional accuracy, good mechanical properties, and a production efficiency 10 times higher than that of seamless pipe making and argon arc welding pipe, realizing a rapid preparation process route of seamless titanium thermos cup pipes directly from raw material strips, greatly reducing production costs.

A TPO roofing membrane formulated to have enhanced induction welding properties, including: a TPO roofing membrane, with: a top TPO layer, a middle scrim layer, and a bottom TPO layer; and elastomeric additives added to the TPO membrane, wherein the elastomeric additives increase induction welding performance of the TPO membrane, and wherein elastomeric additives include polypropylene-based (C3) elastomers and polyethylene-based (C2) elastomers.

A method for welding thermoplastic composite parts while actively cooling includes placing a first composite part onto a surface of a tooling, placing a second composite part onto the first composite, pressing the second composite part toward the first composite part with an induction welding end effector, and providing a flow of air or gas through an opening extending through the shaping surface while induction welding the second composite part to the first composite part. The first composite is sandwiched between the surface of the tooling and the second composite. The flow of air or gas impinges on a bottom surface of the first composite part and is sufficient to press the first composite part toward the second composite part. Induction welding the second composite part to the first composite part is performed by applying induction heating while the flow of air is provided through the at least one opening.

The invention discloses a brazing welding device and a brazing welding method, and the brazing welding device comprises a welding seat, a pressing piece and an induction heater. A copper terminal is placed on the welding seat; the pressing piece comprises a first pressing part used for pressing the copper terminal on the welding seat and a second pressing part used for pressing the aluminum wire on the copper terminal; the induction heater utilizes induction current to heat, only the brazing filler metal is melted in the brazing process, and the brazing filler metal is fully diffused with the aluminum wire and the copper terminal to form firm metallurgical bonding. According to the brazing welding device, induction welding is used for replacing a traditional flame welding mode, no open fire exists in the whole welding process, the risk of fire disasters is reduced, and meanwhile the vision or skin of operators cannot be injured; meanwhile, only brazing filler metal is melted in the induction welding process, the first welding piece and the second welding piece are both kept in a solid state, and the welding difficulty is reduced; the induction welding has the advantages of high heating speed, high efficiency and the like, the welding time can be shortened, the production efficiency is improved, and the production cost is reduced.

The invention relates to a pipe manufacturing process for a pipe with different thicknesses, which is characterized by comprising the following steps of: 1, setting the wall thickness of a target pipe with different thicknesses, selecting a blank with the wall thickness equal to the minimum wall thickness of the target pipe with different thicknesses as a main body pipe blank, and selecting a blank with the wall thickness equal to the difference between the maximum wall thickness and the minimum wall thickness of the target pipe with different thicknesses as a thickened section blank; step 2; the thickened section blank is bonded to the preset thickened position of the main body pipe blank through structural adhesive; thirdly, the main body pipe blank and the thickened section blank which are bonded are welded and bent through a welding and bending mechanism to form a reel pipe; and fourthly, an inner supporting mechanism is placed in the reel pipe, and then the butt joint of the reel pipe is welded through high-frequency induction welding. The pipe manufacturing process is low in cost and high in efficiency, existing equal-thickness plates are adopted as raw materials, and differential-thickness pipes and double-layer pipes can be produced by transforming an existing pipe coil production line; the plates are connected in a welding mode, pipe expanding extrusion friction cannot be generated on the plates, and the problem of local fracture is not prone to occurring.

The photovoltaic cell welding device used in photovoltaic module manufacturing relates to the technical field of photovoltaic module welding equipment, including a support base, the support base is a horizontally grounded square base, a welding workbench is fixedly arranged above the support base, the welding workbench is a horizontally arranged square table, the support base is respectively provided with a conveying and feeding assembly, a welding strip arrangement assembly and a preheating assembly, and the welding workbench is respectively provided with a flip switching assembly and an induction welding assembly. The present invention solves the problems of low manual welding efficiency, inconvenient photovoltaic cell positioning and face-changing adjustment during mechanized welding, inconvenient arrangement of the convergence welding strip, and the inability to realize diversified welding processing due to limited functions of the welding mechanism when welding and assembling photovoltaic cells in the traditional technology.

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 invention relates to a movable induction coil welding device and a using method and application thereof. The welding device comprises a main control computer, an induction welding module, a weldment consolidation module, a connecting and clamping module and a welding platform, the induction welding module is connected with the weldment consolidation module through the connecting and clamping module, and the welding platform is located below the induction welding module, the weldment consolidation module and the connecting and clamping module. And the main control computer is electrically connected with the induction welding module and the weldment consolidation module and regulates and controls the operation thereof. The multi-axis mechanical arm is connected with the weldment consolidation module and drives the weldment consolidation module to move, the induction welding module completes welding of the thermoplastic composite material in the moving process, and the weldment consolidation module compacts a weldment in the moving process. The welding device has the advantages of being simple and convenient in structure, wide in application range, high in automation degree, easy to control and the like, no intermediate is left in a weldment after welding is completed, the problems of stress concentration, poor corrosion resistance and the like of the weldment cannot be caused, and the quality of the weldment is effectively improved.

The invention discloses a manufacturing method of a valve device, the valve device comprises a sleeve and a valve seat, the sleeve is made of stainless steel, the valve seat is made of aluminum alloy, and the manufacturing method of the valve device comprises the following steps that the sleeve is made of stainless steel; the sleeve is inserted into the mounting hole of the valve seat, so that the sleeve is in clearance fit with the first side wall part of the valve seat, the sleeve is in interference fit with the second side wall part of the valve seat, and a first assembly is formed; welding flux is arranged on the peripheral side of the sleeve; an induction coil is arranged on the periphery of the first assembly; and under preset welding parameters, welding flux is heated to be molten and fills the gap between the sleeve and the valve seat, and cooling and solidification are carried out to form a welding part. An induction welding method is adopted, welding parameters are adjusted and controlled, and therefore the welding quality between the stainless steel sleeve and the aluminum alloy valve seat is ensured.

An inductor unit for controlled induction welding of at least one fiber-reinforced thermoplastic composite workpiece comprises at least one coil unit (110, 210), at least one electrically conductive element (120, 220) and at least one soft magnetic element (130, 230). The conductive element (120, 220) has a generating side (120a, 220a) and an active side (120b, 220b). The active side (120b, 220b) is configured to face at least one workpiece (20, 21) to be welded and has a smaller cross-sectional surface area than the generating side (120a, 220a). The at least one coil unit (110, 210) is configured to induce an electrical current in the electrically conductive element (120, 220), and the at least one soft magnetic element (130, 230) is arranged at least partially on the at least one electrically conductive element (120, 220) such that the induced current is conducted from the generating side (120a, 220a) of the electrically conductive element (120, 220) to the active side (120b, 220b) and concentrated in the active side.

The invention relates to the technical field of welding of semi-steel cables, in particular to an induction welding tool for a semi-steel cable and a welding method of the induction welding tool, and the welding tool comprises a coaxial positioning mechanism, an induction welding mechanism, a data acquisition assembly, an end face inclination angle judgment module, a coaxiality detection module, an eccentric torque correction module and a welding quality detection module; the method comprises the following steps: determining whether the fitting end surface has angular inclination or not based on a circumferential pressure balance index; under the condition that angular inclination exists, whether the coaxiality is qualified or not is determined based on the horizontal distance between the clamping groove and the vertical center line of the counter bore; whether the gravity eccentric torque of the semi-steel workpiece is qualified or not is determined based on the bending deflection amount of the semi-steel workpiece, and the righting distance of the righting block is adjusted based on the unqualified condition; and the tail pipe and the semi-steel workpiece are welded, and whether the welding quality is qualified or not is determined based on the circumferential spreading uniformity of the metallurgical bonding layer so as to optimize the preset equilibrium index. The welding quality of the tail pipe and the semi-steel workpiece is improved.

The invention discloses an automatic induction welding device for parts used in automated production, comprising a base, brackets installed at both ends of the base, a rotating shaft installed in a bearing seat at the upper end of the bracket, a transmission rod connected between the two rotating shafts, and a plurality of groups of parts are sequentially sleeved on the transmission rod; a cylinder is installed in the middle of a top plate, and the output end of the cylinder is connected to a welding head; clamping plates are respectively sleeved on both ends of the transmission rod, and the output end of each electric telescopic rod is vertically connected to the corresponding clamping plate respectively; the invention utilizes the transmission rod to sequentially connect multiple groups of parts in series, and then utilizes the clamping plate to uniformly clamp and fix them, so as to form multiple groups of splicing surfaces facing them to be welded, so as to realize rapid assembly and alignment of multiple groups of parts, and improve the positioning efficiency of parts; the electric telescopic rod and the rotating motor can be used to make the splicing surface of the part do circular motion, and the contact point with the welding head rotates one circle, so as to realize complete welding of the part weld, and the circular welding and part movement are replaced in one step, so as to have high working efficiency.

The invention relates to the technical field of metal pipe fitting machining, in particular to a 3D free bending forming method and device for an ultrahigh-strength steel special-shaped section automobile safety part. A metal plate is subjected to multi-pass rolling to form a continuous pipe blank with a special-shaped section; performing high-frequency induction welding on the joint end face of the continuous pipe blank to form a closed section; carrying out three-dimensional space straightness correction on the welded pipe blank by adopting a multi-directional pose adjustable straightening mechanism; the straightened continuous pipe blank is cut off in a cold state according to the set length; the pipe section is fed into a multi-axis free bending system, and die-free continuous bending is achieved by cooperatively controlling spatial translation and rotation of a bending die; the device integrates a rolling module, a welding module, a straightening module, a shearing module and a multi-axis bending module, can accurately form a special-shaped section component which is bent in a three-dimensional space in a complex mode, meets the strict requirements of automobile safety parts for forming precision and performance stability, and is suitable for mass production of products such as A-column reinforcing parts and threshold beams.

The utility model relates to a high-frequency induction welding device, in particular to a welded pipe high-frequency induction welding device which comprises a bottom plate assembly and a welding assembly, the welding assembly is installed on one side of the outer wall of the top of the bottom plate assembly through bolts and comprises an installation frame, and air cylinders are installed on the two sides of the outer wall of the top of the installation frame through bolts. A welding gun is installed at the output end of one air cylinder through a bolt, a shell is installed at the output end of the other air cylinder through a bolt, two rollers are installed in the shell through bearings, and a frosted belt is wound between the two rollers; after the welding of the welding gun is finished, the other air cylinder can be operated to be started, so that the shell drives the roller and the frosted belt to move downwards, the frosted belt is in contact with molten metal at the welding seam, and the molten metal at the welding seam can be leveled by the frosted belt driven by the roller subsequently, so that the thickness of the metal at the welding seam can be increased.

The utility model relates to the technical field of high-frequency heating welding, and discloses a welded pipe high-frequency induction welding device which comprises a working frame, two rotating shafts are rotatably connected to the interior of the working frame, the lower ends of the two rotating shafts are both fixedly connected with stud gears, and the upper end of the working frame is fixedly connected with a high-frequency heating machine mounting frame; a gantry mounting frame is fixedly connected to the end, close to the high-frequency heating machine mounting frame, of the upper end of the working frame, and a fixing frame is fixedly connected into the gantry mounting frame. According to the high-frequency induction welding device for the welded pipe, in the using process, when a welded steel pipe walks to an air gap between an inner anti-deformation wheel and an outer anti-deformation wheel, a spray head is started to cool the welded steel pipe, and meanwhile, the inner anti-deformation wheel and the outer anti-deformation wheel are matched with each other to play a role in restraining the shape of the steel pipe; and the situation that the shape of the steel pipe is changed in the cooling process, the size of the steel pipe is changed, the required precision cannot be achieved, and material waste is caused can be prevented.

A seam guide assembly configured to maintain the longitudinal edges of a metal strip in position before welding in a welding section of a welded tube roll forming apparatus, the seam guide assembly having a front seam guide tip component, a through channel being provided in the holder, the channel having an inlet opening located on said first side of the holder, adjacent the front seam guide tip component, and an outlet opening located on a second side of the holder, the outlet opening being configured to connect to a vacuum source; a welded tube roll forming apparatus having a vacuum extraction section configured to extract solid particles produced inside the tube during the high frequency induction welding of the tube edges, and being located in the apparatus at a position where the where the edges of the roll formed tube have not yet been welded together; and related method.

A method is provided for controlling an induction welding operation. The method includes sweeping electrical current through an induction welding coil at an initial position of the induction welding coil along a weld path of a material; monitoring a response of the material to the swept electrical current using at least one electromagnetic field (EMF) sensor; calibrating an electrical current value for the induction welding operation using the monitored response; and performing the induction welding operation along the weld path using the calibrated electrical current value.

The invention discloses a thermoplastic composite material rotor wing and a preparation method thereof, and relates to the field of low-altitude aircraft rotor wings, the thermoplastic composite material rotor wing comprises an upper skin and a lower skin, the upper skin and the lower skin are curved surface structural members prepared from a continuous fiber reinforced thermoplastic composite material through a hot stamping process, and an implantation layer is fixed to a foam core layer to form a composite interlayer; and finally, integral connection is completed by utilizing induction welding, resin at adjacent interfaces is locally fused by utilizing the induction heat generation characteristic of the implant layer, and the fused resin is mutually infiltrated and fully fused at the interfaces under the action of continuous pressure, so that the integral connection is completed. And compact and firm welding connection is formed after cooling, so that the production period is remarkably shortened, the energy consumption is reduced, the risks of aging and damp-heat degradation of the adhesive layer are completely eradicated from the manufacturing source, and therefore, it is guaranteed that the finally manufactured rotor wing product has excellent structural integrity, connection durability and long-term use reliability.

A method of attaching a flat flexible cable (FFC) (10) to a plurality of terminals (180) of an electrical connector (140) includes the step of arranging the plurality of terminals (180) within a connector housing (140, 141), where each terminal defines a solder region (182) adapted to be electrically connected to a conductor (12) of the FFC (10). The FFC (10) is then positioned proximate to the connector housing (140, 141) such that the solder region (182) of each terminal (180) is disposed directly adjacent to a respective one of the plurality of exposed conductors (12) of the FFC (10). At least the solder region (182) of the plurality of terminals (180) is heated with an induction heating source (270) for electrically connecting the plurality of conductors (12) of the FFC (10) to the plurality of terminals (180).

This invention discloses a multi-workpiece induction welding device, comprising: an induction welding device, a conveying platform, and a positioning fixture. A second clamping block is disposed between a second slot seat and a first clamping block. A left fixing rod and a right fixing rod are disposed on the side of the positioning base near the base plate. A limiting block with a through groove is installed on the top of the positioning base and is symmetrically arranged about the processed pipe B. A clamping rod with one end located inside the through groove is elastically connected to the left and right fixing rods through an elastic element. The other end of this clamping rod is located on both sides of the annular groove of the processed workpiece A, thereby clamping its second flange to the second clamping block. A fixing plate with a cover plate rotatably connected to its upper end is installed on one side of the base. The side of the cover plate away from the fixing plate can be fastened to the base. This invention's multi-workpiece induction welding device, while achieving preliminary positioning of the processed workpiece, prevents the welding process from being exposed to the outside air, effectively reducing the possibility of welding defects caused by oxidation at the welding point, and improving welding quality.

This invention provides a pressure welding equipment and method for the combined flash welding of the end face and the induction welding of the inner wall of thick-walled cylindrical parts. The equipment includes a frame, a rotating device, a rotating electrode device, an upsetting device, an argon protection device, a cleaning device, and an inner wall induction heating device. The rotating electrode device and the inner wall induction heating device constitute a dual heat source system that can operate independently or in tandem. The outer wall electrode uses contact discharge to achieve flash heating, while the inner wall induction coil uses non-contact heating to address the temperature difference between the inside and outside of the thick-walled part. The upsetting device applies axial upsetting pressure to form the weld. After upsetting, the inner induction coil continuously induction heats the weld to achieve in-situ high-temperature normalizing, eliminating uneven microstructure. The vertical roller has both axial feeding and positioning functions and upsetting reverse locking functions. The inner wall device uses a web-type support mechanism to deploy the traveling wheels to fit the inner wall, achieving automated welding and cleaning of the inner wall. This invention achieves dual-process synergy, integrated post-weld normalizing, and high-quality welding of the end face of large, thick-walled cylindrical parts.

To provide a compression load distributor for maintaining a weld line temperature during induction welding.SOLUTION: A compression load distributor (400) includes a support layer (404) and a heat spreading layer (401). The support layer (404) includes a flexible carrier (405) configured to distribute a load from a compression load applying device. The heat spreading layer (401) is coupled to and carried on the support layer, and comprises a heat sink (402) configured to transfer heat throughout the compression load distributor (400). The heat sink (402) is thermally conductive and electrically non-conductive.SELECTED DRAWING: Figure 4B

The present application relates to waterproof construction technology field, specifically to a kind of waterproof roll and its construction method.The waterproof roll includes roll body, and roll body is equipped with first connecting portion and / or second connecting portion;First connecting portion is connected with the second connecting portion of adjacent waterproof roll, and second connecting portion is connected with the first connecting portion of adjacent waterproof roll;First connecting portion includes first base material, at least two insertion slots in first base material and recess between adjacent two insertion slots, and second connecting portion includes second base material, at least two insertion parts in second base material and convex part between adjacent two insertion parts, the depth direction of insertion slot and recess is parallel to the thickness direction of roll body, insertion slot and insertion part are connected with stopper, recess and convex part are connected with stopper;Recess bottom and the top surface between convex part are equipped with adhesive layer, and adhesive layer is the structure layer that metal dense net and adhesive are made into by electromagnetic induction welding.

The invention relates to the technical field of PCB welding, in particular to a PCB pin ultrahigh frequency induction welding system. A PCB pin ultrahigh frequency induction welding system comprises a welding device, a station conversion device and a control device. The welding equipment comprises a high-frequency current generating device and a welding flux feeding device. The high-frequency current generating device comprises a high-frequency current generator and an induction coil; the welding flux feeding device comprises a tin outlet head; the number of the welding devices is at least two. The station conversion equipment comprises a bearing table, a plurality of containing positions are arranged on the bearing table, a PCB to be welded is fixed to each containing position, and the containing positions are converted among stations through movement of the bearing table. The ultrahigh frequency induction welding system for the PCB pin has the advantages that the welding part of the PCB is accurately positioned, the welding quality and the welding consistency are ensured, the ultrahigh frequency induction welding system is suitable for batch welding, and the welding efficiency is improved.

The utility model provides an integrated motor shell and a motor, the integrated motor shell comprises a motor shell (1) and a cooling sleeve (2), the cooling sleeve (2) is arranged on the radial inner side of the motor shell (1), the cooling sleeve (2) and the motor shell (1) are connected together through induction welding by using at least two welding rings (4), and before induction welding, the cooling sleeve (2) is welded to the motor shell (1) through the welding rings (4). A gap is formed between the motor shell (1) and the cooling sleeve (2), the welding rings (4) are located at the two axial ends of the cooling sleeve (2), and after induction welding, the welding rings (4) are melted and fill the gap between the motor shell (1) and the cooling sleeve (2), so that the motor shell (1) and the cooling sleeve (2) are connected together in a fused mode. Therefore, a gap between the cooling sleeve (2) and the motor housing (1) is sealed.

An induction welding assembly and inductive welding method is disclosed. A tooling block includes a workpiece zone, a conductive heat generation and transfer member, and a heat shield, with the conductive heat generation and transfer member being disposed between the workpiece zone and the heat shield. A first workpiece and a second workpiece may be disposed within the workpiece zone such that the first workpiece is disposed between the conductive heat generation and transfer member and the second workpiece. The heat shield, conductive heat generation and transfer member, first workpiece, and second workpiece may be pressed together. An induction coil may be positioned in spaced relation to the heat shield and may be operated to heat the conductive heat generation and transfer member. Heat is conductively transferred by the conductive heat transfer member to the first workpiece to weld the first workpiece and the second workpiece together.

The invention belongs to the technical field of pipeline connection, and particularly relates to a polyether-ether-ketone pipeline induction welding structure and a connecting process method.The structure comprises a connector and a connector welding end, and a welding cavity is formed in the welding end of the connector; a metal ring is embedded in the inner wall of the welding cavity, a plurality of round hole sets are distributed in the side wall of the metal ring in the axial direction, each round hole set comprises a plurality of round holes distributed in the annular direction, and the round holes of the adjacent round hole sets are distributed in a staggered mode in the axial direction. The method comprises the steps that the connector and the metal ring are formed in an injection molding mode, the connector subjected to injection molding is machined, the pipe is inserted into a welding cavity of the connector, the metal ring is heated through electromagnetic induction, PEEK resin on the connector and the pipe is heated to be melted and infiltrated into a round hole of the metal ring, and after the PEEK resin is solidified, connection of the connector and the pipe is achieved. The joint embedded with the metal ring is welded with the pipe, the PEEK resin can fully permeate into the net-shaped metal ring, the pipe and the joint are effectively anchored, and high-strength connection of the joint and the pipe is achieved.