229results about "High frequency current welding apparatus" patented technology

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 utility model discloses a vertical high -frequency welding machine, it includes frame, base plate, fixed jig, lifting system, movable jig and water route and circuit separation design, fixed jig is positioned on base plate through first positioning pin fast, is equipped with high -frequency heating strip and lift cylinder in the inside, movable jig is installed in the lifting module through second positioning pin, and the upper cover is adsorbed in the vacuum hole of placing cavity, the application can realize the quick positioning, heating and press bonding of upper and lower covers, and the welding efficiency and product quality are improved significantly, and the equipment operation convenience and security are ensured simultaneously, and it is applicable to the hot melt welding fixation of 5G transmitter upper and lower covers.

The invention relates to a connecting device and a connecting process for flexible pipes. The connecting device comprises a positioning comb assembly, the positioning comb assembly comprises a male positioning piece and a female positioning piece which are connected in a matched mode, the male positioning piece is provided with a male comb head, the female positioning piece is provided with a female comb head, the male comb head and the female comb head are connected in a comb-tooth-shaped matched mode, a containing cavity is formed in the matched position of the male comb head and the female comb head, and the flexible pipe is placed in the containing cavity. The end portion of the flexible pipe can be accurately positioned into a hole of the collecting pipe through the positioning comb assembly, heat generated in the welding process can be rapidly discharged through the collecting pipe connecting assembly, and the phenomena of infirm welding and stress concentration are avoided.

A parallel robotics apparatus for induction-kinetic welding comprising: a first stage and a second stage movably disposed in a frame, wherein the first stage aligns with a first plane and the second stage aligns with a second plane; a plurality of linear actuators, wherein one of a first end and a second end of the plurality of linear actuators are movably disposed in the first stage and the other of the first end and the second end are movably disposed in the second stage, wherein the first stage and the second stage are movable within six degrees of freedom of each other; further including a first chuck disposed in a middle portion of the first stage and a second chuck disposed in a middle portion of the second stage, wherein the first chuck is adapted to retain a first workpiece to be induction-kinetic welded to a second workpiece retained in the second chuck, wherein the apparatus is adapted to motion the first chuck and the second chuck translationally in an X, Y, and Z direction and rotationally in a Roll, Pitch and Yaw (R, P, Y) motion relative to each other, wherein the apparatus is adapted to rapidly and precisely motion the first workpiece and the second workpiece against each other translationally and rotationally until a dynamic recrystallization occurs within a viscoplastic flow gradient of the first workpiece and the second workpiece.

The utility model discloses an open-close type annular coil for electromagnetic pulse, which comprises two semicircular annular coils which are arranged in a central symmetry manner, two ends of each annular coil are provided with ports which are connected into or out of an external power supply platform, and the connected ports of the two annular coils are not adjacent to each other. Each annular coil is arranged on the corresponding insulating ring, and the opposite faces of the two insulating rings are provided with inserting structures capable of achieving combination of the insulating rings. The whole processing is simple, the production is easy, the mechanical strength is high, the service life is long, and the switching of the opening and closing states of the coil can be quickly realized during welding, so that the problem of processing limitation of the traditional closing coil is solved.

The invention relates to a steel pipe guide conveying technology, and discloses a guide conveying device for steel pipe welding processing, which comprises a conveying belt for erecting and moving a steel pipe, the tail end of the conveying belt is also provided with an adjusting frame, and a guide frame for guiding the steel pipe is arranged between the adjusting frame and the conveying belt; the lifting frame is movably installed in the middle of the guide frame, machining clamps used for containing and receiving steel pipes are arranged at the left end and the right end of the lifting frame, bags and limiting cavities used for fastening the steel pipes are fixedly embedded in the machining clamps, and first damping balls are movably installed on the limiting cavities; and a parking component for carrying out limiting control on the damping ball I is also arranged in the limiting cavity. According to the guiding conveying device for steel pipe welding machining, guiding conveying and stable clamping limiting of steel pipes can be facilitated, position adjustment of the steel pipes in welding operation is facilitated, and the efficiency of multiple treatment modes such as welding, cleaning and flaw detection of the steel pipes is improved in an auxiliary mode.

The utility model discloses a welding cooling device of a high-frequency welded pipe unit, which comprises a base, the upper end of the base is connected with a processing piece used for cooling a high-frequency welded pipe in the high-frequency welded pipe unit after welding production, and the processing piece comprises a cooling piece used for uniformly cooling the high-frequency welded pipe which is discharged after welding and has a corresponding size; the hydraulic cylinder assembly is installed at the upper end of the base and used for adjusting the height of the cooling part, and the cooling end is aligned with the high-frequency welded pipe discharging end; the utility model relates to the technical field of high-frequency welded pipe unit cooling. According to the welding cooling device of the high-frequency welded pipe unit, the electric push rod adjusts the horizontal position of the traction frame, so that the traction frame drives the four groups of spray heads to slide along the annular supporting frame through the four groups of traction arms, and the distance between the four groups of spray heads and the axis end of the cooling barrel is adjusted; the four groups of spray heads can be matched with the high-frequency welding pipes with corresponding sizes in the cooling barrel, and the adaptability of the device to the high-frequency welding pipes with different sizes is improved.

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 utility model provides high-frequency welding equipment for metal pipe fittings. According to the metal pipe fitting high-frequency welding equipment, a welding table is fixedly connected to the top of a bottom plate, a fixing frame is installed in the middle of the top of the welding table, a movable opening is formed in the bottom of the inner wall of the fixing frame, and sliding rods are fixedly connected to the positions, close to the two sides, of the back face of the inner wall of the fixing frame; a driving assembly is installed on the back face of the fixed frame, a threaded rod is installed at the output end of the driving assembly, a movable frame is installed on the outer surfaces of the threaded rod and the sliding rod, second telescopic rods are fixedly connected to the positions, close to the two sides, of the bottom of the movable frame, and a movable frame is installed at the telescopic ends of the second telescopic rods; and a socket is formed in the back surface of the movable frame. According to the high-frequency welding equipment for the metal pipe fittings, through the design, the welded metal pipe fittings with high temperature can be automatically discharged, the risk of high-frequency welding is reduced, and meanwhile, the high-frequency welding efficiency can be improved.

The utility model relates to a cutter welding device which comprises a high-frequency generator and a cooling medium supply assembly, the high-frequency generator comprises a generator body and a heating pipe, and the generator body is used for generating high-frequency current; the heating pipe is connected with the generator body, the heating pipe is made of a metal material and comprises a first connecting part, a heating part and a second connecting part, one end of the first connecting part and one end of the second connecting part are both connected with the generator body, and the heating part is connected with the other end of the first connecting part and the other end of the second connecting part; a containing area used for containing a to-be-machined cutter is formed on the upper side or the lower side of the heating part, and the heating part is in a spiral disc shape. The cooling medium supply assembly communicates with the heating pipe and is used for providing a cooling medium for the heating pipe. According to the cutter welding device, the short cutter can be quickly welded, the repeated use of the cutter and the secondary utilization of waste products can be improved, and the procurement cost of the cutter is reduced.

The invention relates to the technical field of high-frequency welding equipment, and discloses a high-frequency welded pipe production quality on-line monitoring intelligent diagnosis system, which comprises a data acquisition unit, which is configured to synchronously acquire a high-frequency voltage waveform and a high-frequency current waveform generated by a high-frequency welding loop under the common excitation of a main welding frequency signal and an injected probe signal; the feature extraction unit is connected with the data acquisition unit, and is configured to extract at least one passive electromagnetic fingerprint and one active response fingerprint based on the waveform, and fuse the at least one passive electromagnetic fingerprint and the active response fingerprint to generate a welding state vector; and the intelligent diagnosis unit is connected with the feature extraction unit and is configured to compare the welding state vector with a preset health model so as to judge the current welding quality of the high-frequency welded pipe. According to the method, through an active and passive information fusion strategy, the welding state can be represented more comprehensively, and the detection sensitivity and diagnosis accuracy of early weak defects are remarkably improved.

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.

The invention relates to a method and system for joining structural elements.

The application discloses a kind of high-frequency welding equipment of automobile parts, it is related to automobile welding technical field, including rack, welding workbench is fixed on rack, through hole is passed through on welding workbench, welding robot is fixed on the upper surface of welding workbench and located in the side of through hole, the groove wall of the inner cavity of through hole is fixed with the opposite arrangement and the section of C-shaped guard plate on two sides, the high-frequency welding equipment of the automobile parts, each automobile part to be welded is fixed on the bottom plate, several bottom plates are evenly arranged in vertical direction and located between two guard plates, support assembly is connected with guard plate and bottom plate, welding robot carries out welding work to the automobile part located in the topmost, the automobile part after welding is completed is taken away, welding robot can carry out welding to the automobile part fixed on the next bottom plate, reduce welding robot parking time, improve welding efficiency.

A high-frequency induction brazing device for anode aluminum guide rods and steel claws includes: a welding mold surrounding the welding area of ​​the anode aluminum guide rod and steel claws; and a high-frequency electromagnetic induction heating coil disposed around the periphery of the welding mold for heating the steel claws and anode aluminum guide rods. The high-frequency induction brazing device provided in this application is simple, low-cost, and easy to operate, overcoming the problems of complex, high-cost, and difficult-to-control aluminum-steel brazing and pressure welding processes. It improves the strength of the aluminum-steel joint, obtains an aluminum-steel welded joint with uniform weld structure and excellent mechanical properties, and achieves efficient and reliable connection of dissimilar metals such as aluminum and steel.

The present application relates to the technical field of welding equipment, and discloses an electromagnetic welding machine tool and a working method thereof, the welding machine tool comprising a machine box, the machine box is divided into a processing area and an energy area by a partition I, the processing area is divided into a processing bin and a power bin by a partition II, the processing bin is provided with a placing plate, the placing plate is provided with a processing turntable, the processing turntable is provided with a workpiece reinforcing mechanism, the partition II is provided with a welding port, the power bin is provided with an electromagnetic induction welding head which passes through the welding port and extends to the upper side of the processing turntable, the electromagnetic induction welding head corresponds to a workpiece to be welded, the electromagnetic induction welding head is moved by a position adjusting mechanism arranged in the power bin, and the energy area is provided with a high-frequency power supply.The present application can greatly reduce the labor intensity of workers in welding workpieces, the mechanical operation is more stable during welding, the welding quality is higher, and the workers are prevented from directly contacting the electromagnetic induction welding head, so that personal safety accidents are avoided.

The utility model discloses a high-frequency pipe welding machine convenient for butt joint and fixation of pipelines, which comprises a high-frequency pipe welding machine body, a bearing assembly is arranged on the upper end face of a supporting base plate, and a positioning assembly is arranged in the bearing assembly. The first metal pipeline and the second metal pipeline can be transversely placed and butted by workers conveniently, and the situation that the first metal pipeline and the second metal pipeline deviate front and back or shake in the transverse moving and butting process to cause dislocation can be avoided by fixedly connecting a plurality of limiting rollers; the multistage electric push rods on the left side and the right side are controlled to extend, so that the multistage electric push rods on the left side and the right side can drive the positioning stop levers on the left side and the right side to move upwards through the connecting pieces to block the first metal pipeline and the second metal pipeline, and the first metal pipeline and the second metal pipeline are prevented from being damaged in the subsequent heating and welding process. And the butt joint position is loosened and separated.

The utility model relates to the technical field of high-frequency welding machines, and discloses an H-shaped finned tube high-frequency welding machine which comprises a base and a top platform set arranged above the base, the top platform set comprises two top platforms arranged in a mirror image mode, propelling devices are arranged on the side walls of the two top platforms, and the propelling devices are arranged on the top platforms. A pneumatic device is arranged above the top platform and comprises an air cylinder head and a push rod head, the push rod head is of a sliding structure, a fin storage box is arranged at the position, close to the pneumatic device, of the top platform, and a fin buffer box is arranged on the side, away from the pneumatic device, of the fin storage box; a fin buffer box is arranged on the upper portion of the pushing device, a sliding groove structure is arranged below the fin buffer box, the pushing device is connected with a pull rod, the pull rod is connected with an electrode plate, a blocking piece pushing device is arranged on one side of the electrode plate, and fins slide into the electrode plate in the sliding groove structure.

The utility model 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 utility model, the nut welding operation can be carried out on the photovoltaic ground pile pipe which is drilled and formed by a pointed cone, and the overall quality of the photovoltaic ground pile is ensured.

The invention relates to the technical field of electric power engineering, and discloses a cable conductor welding device and a using method thereof.The cable conductor welding device comprises an induction coil connected with a power source; the induction coil is spirally wound on the periphery of the ceramic assembly, the ceramic assembly extends in the axial direction of the induction coil, the ceramic assembly is provided with a welding channel with openings in the two ends in the length direction of the ceramic assembly, and a cable conductor to be welded can be inserted from the two ends of the welding channel and is in butt joint with the welding channel; wherein the ceramic assembly has relative permeability in gradient distribution along the length direction of the ceramic assembly, and the relative permeability of the middle region is lower than the relative permeability of the regions at the two ends of the ceramic assembly. According to the cable conductor welding device and the using method thereof, an induced magnetic field and heat can be highly and accurately focused on the butt joint position of a cable conductor to be welded, so that unnecessary overheating damage to the peripheral area of a welding seam is effectively avoided while the welding efficiency is guaranteed, and the welding quality is improved. And the welding quality of the cable joint and the safety of long-term operation are improved.

The utility model discloses a kind of cold coil pipe welding equipment, comprising: rack, welding station is arranged on the rack;Coil bracket, the coil bracket is used to place coil pipe;Traction straightening device, the traction straightening device is used to be pulled to welding station after straightening coil pipe;Rotary jaw device, the rotary jaw device is used to chuck cold tank and drive cold tank rotation, the rotary jaw device includes jaw driving mechanism and several clamping pieces, the jaw driving mechanism is connected with the clamping piece transmission;Telescopic device, the rotary jaw device is connected with the telescopic device transmission;Pipe clamping device, the pipe clamping device is used to clamp coil pipe;Welding device, the welding device includes wire pulling mechanism and high-frequency welding mechanism, the wire pulling mechanism is used to pull welding wire to the rotary jaw device, the high-frequency welding mechanism is arranged at the welding station.The utility model can improve welding quality and welding efficiency.

The invention discloses a dynamic heat input adjustment and deformation compensation system for a high-frequency welded pipe, relates to the technical field of welding of high-frequency welded pipes, and aims to solve the technical problems of poor welding seam quality and easy deformation of pipes caused by unstable heat input in the welding process of the high-frequency welded pipes. Comprising a pipe wall outer side temperature measuring device, a production equipment control system, a pipe wall temperature distribution adjusting system, high-frequency induction heating equipment and a welded pipe rolling production line. The welded pipe is made of a 316 / L D-shaped welded pipe; the pipe wall outer side temperature measuring device is used for acquiring temperature distribution and pipe end deformation data of different positions of the D-shaped welded pipe in rolling and transmitting the data to the production equipment control system; and the production equipment control system is used for setting target temperature distribution and pipe end deformation requirements of the D-shaped welded pipe. The problem of pipe end deformation caused by uneven temperature distribution of a traditional system is effectively solved, it is guaranteed that the flatness of the top face of the welded D-shaped pipe meets the pipe gallery multi-pipeline stacking requirement, and additional manual correction is not needed.

The application discloses a welding mechanism which comprises a first conductive pipe, a second conductive pipe, an induction coil, a magnetic bar and a cooling sheath, the first and second conductive pipes are arranged at intervals, the cooling sheath is fixed to the ends of the first and second conductive pipes and has a cavity, the ends of the first and second conductive pipes are communicated with the cavity, the cooling medium enters the cavity from the first conductive pipe and flows out of the cavity from the second conductive pipe, the induction coil is electrically connected to the ends of the first and second conductive pipes and is located in the cavity, and the magnetic bar is arranged on the cooling sheath and has an upper end extending into the induction coil and a lower end exposed outside the cooling sheath. Therefore, the cooling sheath with the cavity is arranged, the cooling medium can enter the cavity to simultaneously cool the induction coil and the magnetic bar, and the cooling medium flows out of the cavity from the second conductive pipe; the temperature of the magnetic bar can be effectively reduced during the welding operation, the welding operation can be continuously carried out, and the work efficiency is improved.

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.

The utility model belongs to the field of pressure head mechanisms, and particularly relates to a pressure head mechanism of a high-frequency longitudinal welded pipe unit, which comprises a base, one side of the base is fixedly connected with a material guide mechanism, one side of the base is fixedly connected with a pressing mechanism, and one side of the base is provided with a forming mechanism. The forming mechanism is fixedly communicated with the heat supply equipment through the connecting pipe, heat generated by the heat supply equipment is conveyed into the heat storage cavity through the heat supply pipe when steel is conveyed to the position above the lower die base, a heat conduction plate can be made of copper metal materials and the like, the leading-in efficiency is improved, the heat heats the steel through a second through hole, and the forming efficiency is improved. The internal temperature of the steel plate can be uniformly distributed, the problems of stress, deformation and the like caused by temperature change in the machining or welding process are reduced, the right triangle reinforcing plate can improve the strength of the lower die base on one hand, heat can be intensively guided out through the inclined plane on the other hand, and the flowing efficiency is improved.

The invention discloses a high-uniformity integrated copper-aluminum plate welding device and method. The high-uniformity integrated copper-aluminum plate welding device mainly comprises a driving unit and a plate. The driving units are positioned above and below the plate and are aligned at the central points; the driving unit comprises a welding coil and a magnetic collector, and the welding coil and the magnetic collector are rigidly connected into a whole; the welding coils are connected into the corresponding welding circuits; the plate comprises a first plate body to be welded and a second plate body to be welded, the first plate body and the second plate body are arranged oppositely, and an initial gap is maintained between the first plate body and the second plate body through a cushion block. According to the high-uniformity integrated copper-aluminum plate welding device and method, the uniformity of the magnetic field can be improved.

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