7229results about "Coils manufacture" patented technology

The invention discloses a plug-in inductor winding process control method based on production parameter dynamic compensation, and provides a closed-loop compensation control strategy taking a physical field evolution model as a core aiming at the problems of unstable sensing quantity and non-uniform structure in the traditional process. The method comprises the following steps: firstly, constructing an ideal physical field reference model according to target inductance parameters and a structure, and describing an evolution law of characteristics such as a magnetic field, an electric field or impedance in an ideal state; in the actual winding process, a physical field signal is collected through a sensor, production parameters such as wire tension and main shaft rotating speed are obtained, and a physical field distribution snapshot of the current winding state is generated. And the system compares the extracted actual features with the reference model, identifies a dominant disturbance source causing deviation in combination with real-time production parameters, and outputs a disturbance type label carrying causal information. And according to a label and a production parameter change trend, a compensation instruction is dynamically generated and executed, fine adjustment of tension, a winding displacement track or density is realized, and consistency and precision of an inductor finished product are ensured.

The invention discloses a winding method and a winding machine for an annular inductance coil, and particularly relates to the technical field of inductance coil winding, the winding machine comprises a base, a winding mechanism is fixedly mounted in the middle of the top end of the base, a positioning mechanism is fixedly mounted at the top end of the base, and an auxiliary mechanism is fixedly mounted on the side, close to the positioning mechanism, of the top end of the base; a wire inlet mechanism is fixedly mounted at the top end of the winding mechanism; the winding mechanism comprises two first longitudinal frames which are symmetrically distributed, driving wheels are rotatably mounted at the tops and the middles of the first longitudinal frames, a coil winding frame is movably clamped among the four driving wheels, and an opening is formed in the bottom of the coil winding frame. And the positioning mechanism is used in cooperation to perform roller type positioning on the annular structure, and the auxiliary mechanism is used in cooperation, so that the wire can be automatically and uniformly wound on the outer side of the annular structure, the winding efficiency of the annular structure is improved, and potential safety hazards are reduced.

The present invention provides a multi-degree-of-freedom conductor depositing system for tokamak toroidal field coil winding packs, belongs to the field of development of toroidal field superconducting coils for nuclear fusion. The multi-degree-of-freedom conductor depositing system is mounted on a winding table and distributed along the contour of the toroidal field coil. The optical proximity switches detect the position signals between the winding table and the bending unit and transmit them to an automatic control system. The multi-degree-of-freedom conductor depositing system is distributed in a spiral shape from the top to the bottom from the position of the bending unit along the direction of coil winding. The conductor is deposited onto the track drive mechanism of the multi-degree-of-freedom conductor depositing device, which has a bidirectional moving and rotating function. This avoids the risk of insulation rupture due to friction between the conductor and the depositing tooling during the coil winding process. It also has the advantages of simple structure, convenient operation and high reliability.

The invention discloses anti-disorder winding equipment for electronic transformer manufacturing, and relates to the technical field of winding equipment.The anti-disorder winding equipment comprises a support, the support is fixedly installed at the top of a base, the support is hook-shaped, a through hole is formed in an opening in the top of the support, a connecting plate is rotatably connected to the interior of the through hole, and a middle plate is fixedly connected to the outer side of the connecting plate; the top of the middle plate is fixedly connected with an elastic plate, the elastic plate is fixedly connected with the inner wall of the through hole, the end, away from the support, of the connecting plate is rotationally connected with a limiting wheel, and the outer side of the limiting wheel is fixedly connected with a guide block. According to the anti-disorder winding equipment for manufacturing the electronic transformer, through the elastic force effect of the elastic plate, the limiting wheel at the top makes close contact with the top of the framework, so that the limiting wheel can be attached to the framework according to the actual shape of the framework, and the framework is round, oval or provided with some tiny irregular contours; and during working, the limiting wheel can be in close contact with irregular parts on the outer side of the framework, so that the framework is better fixed.

The present invention provides a coil winding device and a winding method. The device comprises a bending mechanism, a winding support, and an adjustment mechanism. The bending mechanism is used for bending a wire so as to obtain a coil forming a winding, and a discharge port of the bending mechanism is arranged facing downward. The winding support is used for bearing the winding bent by the bending mechanism, and the winding support comprises a winding plate and a winding fixed base. The adjustment mechanism is used for adjusting the position of the wire in the winding support, and the adjustment mechanism comprises a clamping arm and a clamping member fixed to the clamping arm and used for gripping the winding. The bending mechanism can sequentially bend a wire according to a predetermined path, thereby forming each layer of coil of the winding. Once the bending mechanism has completed winding of a coil, the adjustment mechanism can adjust the position of the wire in the winding support, so that when a coil of the next winding is wound, the previously wound winding does not interfere with same, ensuring the winding quality of each winding while achieving automated winding.

The invention discloses a winding device for transformer production, and relates to the technical field of transformer production, the winding device comprises a base, a side plate is fixedly connected to the top end of the base, a mounting frame is fixedly connected to the top end of the base and located on one side of the side plate, and a coil barrel, a winding mechanism and a cutting mechanism are mounted on the mounting frame. By arranging the cutting mechanism, when a transformer is fixed, a connecting block is inserted into a connecting groove, the connecting block makes contact with an extrusion column, the extrusion column is pushed to move, a push plate is driven to move, the push plate moves to drive two displacement frames to move away from each other through a connecting rod, and an elastic piece is extruded; when fixing of the transformer is cancelled, the connecting block needs to be moved out of the connecting groove, the two rubber blocks make contact with each other, clamping and positioning operation is conducted on the wire, meanwhile, the cutter moves to conduct automatic cutting operation on the wire, when fixing of the transformer is cancelled, automatic cutting operation is conducted on the wire conveniently, and the manual operation amount is reduced.

A network of Intermediate Device Structure (IDS) members communicatively coupled, mounted to elevated structure / s within urban settings, each configured to operate by a processor / controller with resident code, and in real time receive sensed environmental inputs from each IDS' vicinity, remote data / instruction / s processing the inputs with resident code parameters generating outputs that are configured to mitigate / avert intermittent environmental events harmful / hazardous to humans. The IDS's include a launch and charging pad that hosts a UAV, which patrols an area within communication range of at least one of the IDSs so the UAV, perhaps with AI-engine assistance, can detect events in the area patrolled by the UAV.

The invention discloses a nuclear fusion superconducting coil heat treatment temperature control system and method. The temperature control system comprises a fuel gas heating control subsystem, an electric heating control subsystem, a wind speed control subsystem, a temperature acquisition subsystem and a temperature analysis feedback subsystem. The temperature control method comprises the following steps: performing an electric heating zoning temperature control process in a heat treatment temperature rise stage; and a gas heating and electric heating zoning cooperative temperature control process in the heat treatment heat preservation stage is carried out. According to the method, the power load peak value is remarkably reduced, and meanwhile, the method is suitable for the heat treatment scene of the nuclear fusion superconducting coil by dynamically distributing the power proportion of gas and electric heating; the actual temperature of each temperature control subarea of the heating furnace body and the superconducting coil is detected in real time and compared with the preset target temperature value of the corresponding process temperature curve in real time, the top layer is combined with stirring fan rotating speed dynamic adjustment and gas-electric power complementation, a closed-loop feedback chain from a local part to an overall part is formed, and the response speed and stability are effectively improved.

The present invention relates to the technical field of transformer coil winding. Particularly disclosed are an automatic winding apparatus and method for a pancake coil. The apparatus comprises: a winding device which comprises a driving motor and a vertical winding die, wherein the driving motor is in driving connection with the vertical winding die; and a wire conveying device which comprises a first lifting / lowering structure, a second lifting / lowering structure, and a wire conveying frame, wherein the wire conveying frame is rotatably mounted on the first lifting / lowering structure and the second lifting / lowering structure. By means of the change difference between the lifting height of the first lifting / lowering structure and the lifting height of the second lifting / lowering structure for the wire conveying frame, the wire conveying frame has a horizontal wire outlet direction and a downward inclined wire outlet direction, and the wire conveying frame is driven by a radial driving element to move in the radial direction relative to the vertical winding die, so as to ensure that the radial distance between the wire conveying frame and each turn of wires is matched, the winding requirement of reverse pancake coils is met, and one-time winding of forward pancake coils and reverse pancake coils can be achieved by changing the wire conveying inclination angle of wires.

The invention relates to the field of copper wire adhesive tape wrapping, in particular to an adhesive tape wrapping mechanism suitable for a thin wire, and the thin wire adhesive tape wrapping mechanism winds a new adhesive tape on a copper wire from the following structures: a rotating part rotating around a rotating shaft of the rotating part is arranged in the thin wire adhesive tape wrapping mechanism, and the rotating part is of a local surrounding structure internally provided with a wire harness body matrix; the number of the wire harness body matrixes is at least two, the wire harness body matrixes are opposite to each other, and gaps matched with the single-strand copper wires are reserved, so that the adhesive tape used for secondary wrapping on the side bodies of the copper wires is restrained by the wire harness body matrixes to be bonded with the multiple-strand copper wires in a folded mode. The head end and the tail end of the adhesive tape are successively wound on the multiple strands of copper wires along with rotation of the rotating component; the device can be compatible between a winding mechanism and a sleeve feeding mechanism, in other words, the device can be close to the winding mechanism, and therefore the copper wires can be prevented from being overlapped through the clamping effect of the winding mechanism on the copper wires.

The invention discloses a vacuum pressure impregnation mold assembly process and a mold. The process comprises the following steps: mounting bottom hard molds on a plurality of independent supporting platforms, and then positioning superconducting coils; descending the platform in sections to lay a bottom soft mold and a flow guide component to ensure uniform gaps; the side edge soft mold, the side edge hard mold, the top flow guide net and the soft and hard mold are sequentially installed, and finally the soft mold is subjected to segmented welding and the hard mold is reinstalled. The mold is assembled through the method, and modular assembly is achieved by lifting the independent supporting platform in stages. According to the process, the load of a single platform is reduced through sectional assembly, precision deviation and equipment damage are avoided, and meanwhile, the use of a lifting appliance is reduced to protect the dimensional stability of the coil; a soft and hard mold layered assembly mode is adopted, the machining difficulty of a large-size mold is simplified, the manufacturing cost is reduced, and the size control precision is improved; the step-by-step assembly process effectively reduces the wrong assembly risk, avoids the problem of glue injection port blockage, and ensures the success rate of the vacuum pressure impregnation process.

The invention belongs to the technical field of annular magnetic core winding, and particularly relates to an annular magnetic core continuous winding device which comprises a base, two guide rails are arranged on the upper surface of the base, and a limiting assembly is slidably arranged on the two guide rails and used for limiting a magnetic ring; a fixing frame is fixedly connected to the upper surface of the base, a rotating ring is rotatably connected to one side of the fixing frame, and a pay-off roller is rotatably and fixedly connected to the interior of the rotating ring; a second motor is arranged on the upper surface of the base and used for driving the rotating ring to rotate. A self-locking assembly is arranged on the inner wall of the rotating ring and can complete self-locking on the pay-off roller in time when the rotating ring is suddenly stopped, and the situation that the pay-off roller rotates due to inertia to pay off redundant wires is prevented. And by arranging the self-locking assembly, the problem that a certain amount of copper wires are released due to inertia autorotation of the pay-off roller under the sudden stop condition is solved.

The invention relates to the technical field of inductors, in particular to an inorganic insulation integrally-formed power inductor and a preparation method thereof. The method comprises the following steps: S1, selecting a coil; s2, pre-stretching the coil; s3, pre-coating of inorganic powder is carried out; s4, pressing the magnetic powder; s5, sintering the ceramic layer at high temperature; and S6, integrally forming the inductor. By reasonably selecting the material and shape of the coil and the type of the magnetic powder and combining high-temperature sintering at the temperature of 250 DEG C or above, the magnetic conductivity and the bias resistance are improved, the diversified requirements of high frequency, high temperature, high power density and the like are met, and the performance of insulation, heat conduction and the like can be optimized; according to the integrated forming process, coil pre-packaging and magnetic core forming are completed in one step, production procedures are reduced, process integration and production efficiency are improved, production cost is reduced, the utilization rate of a magnetic core window reaches 100%, and the product size is reduced.

The invention belongs to the technical field of transformer coil hoisting, and particularly relates to a hoisting device for transformer coil installation, which comprises a moving frame, an adjusting mechanism is installed on the moving frame, a clamping piece is arranged on the adjusting mechanism, and the clamping piece comprises an installation frame, a lifting frame, a first sliding plate, a first supporting arm, a second supporting arm and a lifting air cylinder. The lifting air cylinder is arranged on the adjusting mechanism and connected with the adjusting mechanism, the lifting frame is installed on the adjusting mechanism in a sliding mode, a piston rod of the lifting air cylinder is connected with the lifting frame, and the installation frame is arranged below the lifting frame and connected with the lifting frame. According to the transformer coil hoisting device, the transformer coil can be fixed from the interior of the transformer coil through the arrangement of the clamping piece, the transformer coil which is clamped and fixed can be hoisted under the action of the lifting air cylinder, workers do not need to carry the transformer coil again during discharging, and the hoisting efficiency and hoisting quality of the transformer coil through the transformer coil hoisting device are greatly improved.

A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.

A winding jig suitable for winding a tail line horizontally into a line and out of a line, comprising a frame, a lower die assembly, and an upper die assembly. The lower die assembly comprises a first driving shaft, a lower die seat, a mounting seat, a slider, a first elastic member, a first pressing block, a driving rod, and a first unlocking assembly. The slider slides in a direction close to or away from the lower die seat, and one end of the slider is provided with the first pressing block. Axial movement of the driving rod can push the slider to move, and the slider drives the pressing block to move, so that the first pressing block presses the line end, and the line end in a horizontal state is pressed before winding, avoiding affecting the line end during subsequent winding. The movable rod of the upper die assembly is driven by the cross rod to move, so that one end of the second pressing block rotates around the rotating shaft as the rotation point, and the other end tightly abuts against the tail line end, thereby ensuring that the tail line end is in a horizontal state.

The invention relates to the technical field of current detection, and particularly discloses a magnetic core assembly, a miniature current transformer and a processing method thereof.The magnetic core assembly comprises a first magnetic core and a second magnetic core, the first magnetic core comprises a first base, a first mounting column and a first connecting plate, and the first mounting column and the first connecting plate are arranged on the first base; the first connecting plate is arranged on one side of the first mounting column. The second magnetic core comprises a second base, a second mounting column and a second connecting plate, the second mounting column and the second connecting plate are arranged on the second base, the second connecting plate is arranged on one side of the second mounting column, the second connecting plate is correspondingly connected with the first connecting plate, and the second mounting column is correspondingly connected with the first mounting column; the conductive part can be wound on the first mounting column and the second mounting column, the first connecting plate and the second connecting plate perform protection on one side of the conductive part, efficient heat dissipation can be performed on the circumferential surface of the guide part, and the overall size of the magnetic core assembly and the miniature current transformer can be reduced.

The invention belongs to the technical field of hoisting, and particularly relates to a coil overturning hoisting device which comprises a top plate, vertical rods installed at the four corners of the top plate, a bottom plate arranged on the two sides of the center line of the top plate and moving wheels installed at the bottom of the bottom plate. A lifting air cylinder is arranged on the lifting plate, a lifting frame is installed on a piston rod of the lifting air cylinder, a clamping piece, a limiting piece and an overturning piece are arranged on the lifting frame, and the overturning piece comprises a first motor, a belt, a first belt wheel, a second belt wheel, a first threaded rod, a fixing rod and a push rod. According to the transformer coil overturning device, a transformer coil can be clamped under the action of the clamping piece, the purpose of lifting the transformer coil can be achieved by matching with the action of the lifting assembly, and the transformer coil which is clamped and lifted can be overturned under the action of the lifting air cylinder and the overturning piece, so that the overturning efficiency of the transformer coil is improved; and the labor intensity of workers is reduced.

The utility model discloses a cross-shaped winding machine capable of preventing wound wires on a magnetic ring from being scratched. The cross-shaped winding machine comprises a machine frame, a first rotary clamping unit, a second rotary clamping unit, a winding mechanism, a wire hooking mechanism and a material grabbing mechanical arm, wherein the first rotary clamping unit, the second rotary clamping unit, the winding mechanism, the wire hooking mechanism and the material grabbing mechanical arm are installed on the machine frame. The first rotating unit comprises a first thread feeding and trimming mechanism and a first rotating and clamping mechanism; the second rotary clamping unit comprises a second thread feeding and trimming mechanism, a second rotary clamping mechanism and a thread blocking mechanism; the second rotary clamping mechanism comprises a clamping device used for clamping the magnetic ring, an overturning assembly connected with the clamping device and used for driving the magnetic ring to overturn, and a rotating assembly connected with the overturning assembly and used for driving the magnetic ring to rotate. The wire blocking mechanism comprises a wire blocking plate located below the clamping device and a wire blocking driving device used for driving the wire blocking plate to move up and down. According to the utility model, the first wire wound on the magnetic ring can be protected in the winding process, and the first wire is prevented from being scratched by the second wire in the winding process, so that the yield of products is improved.

The invention provides an intelligent winding and detecting method and system for a three-phase integrated coil of a soft start device, and relates to the technical field of winding of the three-phase integrated coil, and the method comprises the steps: determining the electrical parameters of coil winding, and preparing a winding material; calculating the optimal tension within the T moment by establishing a tension mathematical model to adaptively control the tension of the wire; performing real-time correction and compensation on the key parameters by using a neural network model; the visual detection control center detects the coil in real time and judges whether errors occur in the winding process, and if yes, winding is stopped, and an alarm is given out; and putting the wound coil into epoxy resin glue for defoaming to ensure that the insulating material covers a gap between the surface of the wire and the coil. The wire tension is adaptively adjusted by using the model prediction control algorithm and the neural network model, so that the wire tension is controlled within the preset range, the wire is prevented from being damaged due to excessive stretching or loosening, the integrity and stability of the wire are favorably kept, and the overall performance of the soft start device is improved.

The invention relates to the technical field of mutual inductor production, in particular to a coil winding device for mutual inductor production. The coil winding device comprises a rack and a winding wheel, the winding wheel is rotationally supported on the rack through a plurality of supporting wheels, the winding wheel is provided with a C-shaped notch used for containing an iron core, and the winding wheel comprises a middle ring and side rings located on the two sides of the middle ring; the side rings and the middle ring are coaxial and are arranged in a mutually rotating mode, the circumferential wall of the middle ring is used for winding a copper wire, and one side ring is provided with a wire penetrating ring used for penetrating the end of the copper wire. The tensioning assembly is used for clamping the copper wire between the iron core and the threading ring; the magnetic powder brake is connected to the supporting wheel and provides resistance for the middle ring through the supporting wheel so as to tension the copper wire; and the driving assembly is used for driving the side ring to rotate and winding the copper wire on the iron core. Resistance is provided by the magnetic powder brake through the middle ring of the reel, so that tensioning of a copper wire can be controlled, and the winding quality of the copper wire on an iron core is improved.

The invention relates to the technical field of inductor coil preparation, in particular to a coil winding, paint stripping and spot welding all-in-one machine and a control system thereof.The coil winding, paint stripping and spot welding all-in-one machine comprises a rack, a wire supply mechanism, a wire stripping mechanism, a winding mechanism, a spot welding mechanism, a material returning mechanism, a demolding mechanism and a cutting mechanism; the wire stripping mechanism comprises a wire stripping cutter, a box body and a cutter driving motor, the wire winding mechanism comprises a material receiving platform, an upper cutting die, a lower cutting die and a wire winding cutter, the spot welding mechanism comprises an upper pole head, a lower pole head and a storage jig, the material returning mechanism comprises a station table and a reset air cylinder, and the demolding mechanism comprises a demolding air cylinder and a demolding ejection block. The cutting mechanism comprises a first stock bin, a second stock bin, a mechanical arm and a cutting die, the mechanical arm is used for placing the electrode plates on the containing jig and conveying the electrode plates subjected to spot welding to the cutting die, and all manufacturing links can be sequentially completed by clamping the workpieces in the automatic clamp and the multi-station conveying system at a time.

The invention belongs to the technical field of transformer processing, and particularly relates to a paint dipping device for a miniature transformer coil, which comprises a base, one side of the upper end surface of the base is fixedly connected with a paint dipping barrel, one side of the bottom of the inner cavity of the paint dipping barrel is fixedly connected with a telescopic rod, and the piston end of the telescopic rod is fixedly connected with a support ring. A second net plate is rotationally arranged on the inner circle of the supporting ring, and a state conversion type clamping mechanism used for placing a plurality of miniature transformer coils on the second net plate is further arranged on the base. By means of the state transition type clamping mechanism, miniature transformer coils can be regularly placed on a second net plate through an electric clamping jaw, the situation that the miniature transformer coils are attached to one another is avoided, and the situation that when the miniature transformer coils are manually placed on the second net plate, the miniature transformer coils cannot be attached to the second net plate is avoided. And the situation of paint dipping dead angles caused by mutual contact of the micro transformer coils is avoided, so that the paint dipping effect is improved.

The invention discloses a transformer winding drying constant pressure device, which relates to the field of transformer production, including a base and a hydraulic lifting device, wherein the top of the base is rotatably connected to a cross rotating frame, and a third motor driving the cross rotating frame to rotate is installed on the top of the base, and the four arms of the cross rotating frame are all slidably connected to a bottom block, and the bottom of the bottom block is rotatably connected to a bottom roller, and the bottom roller protrudes from the top of the bottom block. In the process of pressing the transformer winding up and down, the present invention can drive the bottom roller and the top roller to rotate and roll the top and bottom of the winding back and forth through the rotating frame and the top frame, so that the top and bottom stress points of the winding can be changed back and forth as much as possible, so that the winding is more evenly stressed, and when pressing down, the side rollers are also linked to approach the side of the extruded winding, and when the bottom roller and the top roller roll the top and bottom of the winding, the side rollers also roll the side of the winding, so as to ensure the flatness of the side of the winding, so that the winding is pressed more compactly.

The invention discloses a superconducting coil shape preserving tool, which relates to the technical field of superconducting coils and is used for preserving the shape of a coil in a heat treatment process of the superconducting coil, and the coil is wound in a ring shape and is provided with a radial inner side surface, a radial outer side surface and two axial end surfaces. The superconducting coil shape-preserving tool comprises a support and a plurality of fixing structures, wherein the support forms an annular shape; the multiple fixing structures are connected with the support and arranged at intervals in the circumferential direction of the support, each fixing structure comprises multiple pressing plates, and the multiple pressing plates comprise the first pressing plate, the second pressing plate and the third pressing plate; the first pressing plate is used for limiting the radial inner side face of the coil, the second pressing plate is far away from the center of the support relative to the first pressing plate and used for limiting the radial outer side face of the coil, and the third pressing plate is arranged between the first pressing plate and the second pressing plate and used for limiting the two axial end faces of the coil. The superconducting coil shape preserving tool can be used for preserving the shape of the coil so as to reduce the deformation of the coil in the heat treatment process.

The invention relates to the field of insulating sheath installation, in particular to an electrified installation transformer pile head insulating sheath installation device which comprises a first installation rod, a second installation rod and a connecting rod, an insulating sheath is installed in the installation rod, a wire sheath is installed on the insulating sheath, and wire grooves are formed in the same horizontal line of the insulating sheath and the wire sheath. A linear motor is installed in the installation sleeve, the output end of the linear motor is connected with the top of the insulation sheath, an empty groove is formed in the installation sleeve, a first spring is installed in the empty groove and connected with a clamping block, a top block is installed on the top of the insulation sheath, and the side, close to the clamping block, of the top block is provided with an inclined face matched with the side face of the clamping block. A first mounting disc is mounted on the outer side of the mounting sleeve, a driving structure is arranged in the first mounting disc, and the driving structure is used for driving the mounting sleeve to rotate so as to adjust the mounting direction of the insulating sheath and the wire sheath, manual mounting is not needed, the risk of safety accidents is reduced, and the life safety of operators is guaranteed.

The invention discloses an inductance coil pin bending production line. Comprising a positioning jig, a first jig carrying mechanism, a second jig carrying mechanism and a third jig carrying mechanism, the pin bending and cutting mechanism is used for bending the extending parts at the two ends of the coil pin downwards by 90 degrees to enable the extending parts to be close to the side face of a coil framework, then bending the extending parts forwards by 90 degrees to enable the extending parts to be close to the bottom face of the coil framework and then cutting the pins; the pin pre-bending mechanism is used for pre-bending the cut pins at the two ends of the coil pin; the top pin bending mechanism is used for bending the pre-bent pins at the two ends of the coil pin; and the positioning jig is provided with a plurality of avoiding grooves which are respectively communicated with the corresponding product discharging grooves and are used for avoiding bending positions of the coil pin. According to the automatic pin bending and pin cutting machine, automatic pin bending and pin cutting operation of the inductance coil can be achieved, all the mechanisms are coordinated in action, the automation degree is high, continuity is good, the precision of bending and pin cutting of the inductance coil is guaranteed, manual operation is replaced, and the production efficiency and the product quality are improved.

The invention relates to the technical field of current transformers, in particular to a winding device for a primary coil of a current transformer and a winding method thereof.The winding device comprises a base and a vertical seat, the vertical seat is vertically mounted on the base, a ring seat is rotatably mounted on the vertical seat, and a mounting ring is arranged on the outer side of the ring seat; a rectangular seat is mounted on the outer side of the mounting ring through a bolt, a gear ring is mounted on the inner side of the ring seat, notches are formed in the ring seat, the mounting ring, the rectangular seat and the gear ring, and a rotating plate is rotationally mounted in the notch of the rectangular seat; in the winding process, a first pneumatic cylinder works to achieve movement of a right-angle seat, the horizontal section of the right-angle seat makes contact with the silk wrapping belt on the top side of the rectangular seat, the vertical section of the right-angle seat makes contact with the silk wrapping belt on the side wall of the rectangular seat, the silk wrapping belt on the top side of the rectangular seat is flattened through a horizontally-moving wheel seat and a horizontally-moving pressing wheel, and automatic flattening is achieved; and each layer of silk wrapping tape is ensured to be tightly attached and free of wrinkles.

The invention discloses a preparation method of a high-temperature excitation coil based on an AMB process, and relates to the technical field of magnetic levitation, and the preparation method specifically comprises the following steps: S1, silicon nitride ceramic is perforated; s2, through hole filling and surface screen printing; s3, carrying out vacuum sintering on the metal foil and the silicon nitride ceramic; s4, performing coil patterning and surface treatment; s5, preparing a single-layer silicon nitride ceramic metal coil; s6, preparing a ceramic isolation sheet; s7, performing lamination and vacuum sintering; the magnet exciting coil prepared by the invention has relatively good reliability and long service life in a service environment of 550-600 DEG C.

The utility model relates to a multi-station winding machine which comprises a rack, a winding module and a wire arranging module, wherein the winding module and the wire arranging module are sequentially arranged on the rack; the wire arrangement module comprises a wire arrangement support frame, a wire arrangement clamping assembly, a wire arrangement assembly and a pin cutting assembly; the wire arrangement supporting frame is provided with a wire arrangement driving assembly. The wire arrangement clamping assembly is connected with the wire arrangement driving assembly. According to the utility model, the standardized production of inductance coil products in the winding process is realized, the lengths of the pins of the output inductance coils are consistent, and the subsequent automatic and intelligent production is facilitated.