505 results about "Magnet wire" patented technology

The invention relates to the technical field of electromagnetic wire production, in particular to a spraying device for electromagnetic wire production, which comprises a supporting table, a mounting groove is formed in one side surface of the supporting table in a penetrating manner, positioning wheels are rotatably mounted on the inner side of the mounting groove in a vertically symmetrical manner, and a supporting frame is fixedly mounted on the inner side wall of the supporting table. A supporting table is fixedly connected to the upper end of the supporting frame, a steering wheel is rotatably mounted at the end of the supporting frame, a circular groove is formed in the upper end of the supporting table from top to bottom in a penetrating mode, and a side plate is fixedly connected to one end of the top of the supporting table. Then the electromagnetic wire body sequentially penetrates through inner cavities of the cleaning mechanism, the paint spraying collecting mechanism, the transmission mechanism, the rotary paint spraying mechanism and the drying mechanism; at the moment, an output shaft of a servo motor drives a driving gear to rotate, and the driving gear drives an outer gear ring to rotate.

The invention belongs to the technical field of shock insulation supports, and particularly relates to a composite thick laminated rubber shock insulation support with self-adaptive damping, a shock insulation method of the composite thick laminated rubber shock insulation support and an intelligent fluid preparation method. According to the technical scheme, the composite thick laminated rubber shock insulation support with the self-adaptive damping function comprises an upper connecting steel plate and a lower connecting steel plate, a steel plate layer, a rubber layer, a pressure sensing layer and a sensor network layer are arranged between the upper connecting steel plate and the lower connecting steel plate, and a plurality of fluid cavities communicated through pipelines are formed in the rubber layer; the pressure sensing layer is provided with an electromagnetic coil, a piezoelectric driving unit and a valve body, the valve body is connected with the fluid cavity through a guide pipe, the electromagnetic coil is arranged on the valve body in a sleeving mode, and the electromagnetic coil and the valve body are electrically connected with the piezoelectric driving unit. The invention provides a composite thick laminated rubber shock insulation support with self-adaptive damping, a shock insulation method of the composite thick laminated rubber shock insulation support and an intelligent fluid preparation method, and the composite thick laminated rubber shock insulation support has intelligent sensing and self-adaptive adjusting functions and can keep long-term stability.

The invention provides a suspension actuator integrating electromagnetic-oil-gas-inerter characteristics and a control method thereof.The actuator comprises a piston rod, a guide rod, a spiral groove sleeve, a stator iron core and a straight rod, a controllable damping valve assembly is arranged in the piston, the bottom end of the piston rod is connected with the piston, the top end of the guide rod penetrates through the piston and extends into the piston rod, and the spiral groove sleeve is arranged in the spiral groove sleeve; a spiral groove is formed in the inner circle face of the spiral groove sleeve, an electromagnetic coil is embedded in a groove of the stator iron core, the stator iron core is fixed to the spiral groove sleeve / piston rod, the outer circle face of the straight rod is sleeved with a permanent magnet, and the straight rod is fixed to the piston rod / spiral groove sleeve. A damping hole is formed in the piston in the axial direction; the piston rod, the piston and the stator core divide the interior of the actuator into an upper cavity, a middle cavity and a lower cavity. By electrifying the electromagnetic coil and the controllable damping valve assembly, the suspension can work in a passive mode, a semi-active mode and an active mode. The suspension actuator has the characteristics of electromagnetism, oil gas and inerter at the same time, the suspension control bandwidth is widened, and the energy consumption of an electromagnetic system is reduced.

The utility model discloses a wok, including a plurality of wok bodies, a transmission shaft, a stirring motor and an electromagnetic coil in a vertical direction, wherein the bottom of each wok bottom is provided with an electromagnetic coil, adjacent wok bodies are fixedly connected by a connecting plate, a feed port and an exhaust port are provided on the top of each wok body, a discharge port is provided on the side wall of each wok body, the feed port of each wok body is connected with the discharge port of the adjacent wok body through a feed pipe, and each exhaust port is connected with an exhaust pipe; the transmission shaft vertically penetrates each wok body and is connected with the stirring motor by transmission, and a wok scraper is provided on the transmission shaft in each wok body. The utility model effectively solves the safety hazard of the existing wok body mainly heated by steam, each layer of the wok body of the wok is heated by an electromagnetic coil, and the space between two adjacent layers of the wok body is hollowed out, which ensures good ventilation and heat dissipation, and ensures that the bottom of the wok will not be deformed due to heat, thereby ensuring the transmission of the transmission shaft.

The invention relates to a high-temperature-resistant insulating coating material for an electromagnetic wire as well as a preparation method and application thereof. The method comprises the steps that the surface of a wire is pretreated; the preparation method comprises the following steps: preparing raw materials of the glass component according to a ratio, melting glass, ball-milling and sieving to obtain glass powder, and then adding the ceramic component and the auxiliary additive component to obtain an inorganic filler; the preparation method comprises the following steps: mixing organic silicon resin, inorganic powder, a solvent, a pigment and an auxiliary agent in proportion to obtain uniform slurry; the method comprises the following steps: coating a wire with a coating, curing the wire after coating is completed, and naturally cooling the wire to room temperature after curing is completed. The electromagnetic wire surface coating can be prevented from aging, peeling, cracking, stripping and losing efficacy at the high temperature of 500 DEG C, the performance of high insulation, impact resistance, long service life and the like of the coating material in the high-temperature environment is improved, it is guaranteed that equipment can tolerate severe natural environments or machine part working environments, and the electromagnetic wire surface coating has high stability and long service life.

The invention discloses a spring-free magnetic springback type switch key, which comprises a shell, a shaft rod inserted into the shell, a magnetic column arranged in the shaft rod, an electromagnetic coil positioned in the shell and arranged outside the shaft rod in a surrounding manner, and a trigger assembly mounted in the shell and matched with the shaft rod, the shaft rod is provided with a hollow column body extending downwards, and the magnetic column is located in the hollow column body; an annular wall is arranged on the inner bottom face of the shell in an upward protruding mode, a guide groove matched with the hollow column in the shaft rod is formed, and the guide groove is used for conducting linear guiding on relative matching of the hollow column. And the electromagnetic coil is sleeved outside the ring wall. According to the switch key, the electromagnet is matched with the magnet, rebounding of the key is achieved through magnetic force, and the intensity of feedback force is flexibly changed by adjusting the magnetic force of the electromagnet.

The invention relates to a high-strength tungsten alloy ultra-fine wire drawing device, comprising a traction structure and a drawing structure, wherein the traction structure comprises an inner winding piston, an outer electromagnetic coil, a linear guide rail and a clamp; the drawing structure comprises a clamping jaw, an electromagnetic valve and an eye mold; the inner winding piston and the outer electromagnetic coil are both sleeved on the linear guide rail, and the outer electromagnetic coil is sleeved on the outside of the inner winding piston, and the outer electromagnetic coil is fixed on the linear guide rail through a clamp, and the inner winding piston is provided with an inner electromagnetic coil; the eye mold is arranged on one side of the linear guide rail, the clamping jaw is fixedly installed on the inner winding piston, and the clamping jaw is connected to the electromagnetic valve, the tungsten wire is fixedly clamped by the clamping jaw after passing through the eye mold, and the opening and closing of the clamping jaw is controlled by the electromagnetic valve. The purpose of the invention is to provide a high-strength tungsten alloy ultra-fine wire drawing device, aiming at the existing technology of online heating tower wheel type slip differential drawing, and solving the defect caused by the sliding friction between the tower wheel and the metal filament in the tower wheel type slip differential drawing.

The present invention relates to the field of lubrication technology, and discloses a lubrication device for an electromagnetic wire production enameling machine and a method of using the lubrication device, including a workbench, on which an adjustment mechanism, a discharge mechanism, a tensioning mechanism and a lifting mechanism are arranged, and the adjustment mechanism includes a motor 1 fixedly connected to the bottom of the workbench. The present invention sets an adjustment mechanism, and allows the electromagnetic wire to pass through two sponge sliders in sequence, and then pass through the bottom of the guide roller module 1 and the top of the guide roller module 2. After the electromagnetic wire passes through, the motor 1 is started. When the motor 1 is running, the cam is driven by the rotating shaft 1 to be in close contact with the cross-bar module. Due to the unique design of the cam, when it contacts the cross-bar module, the end that is subjected to force will be unfolded, and the other end will drive the sponge slider installed thereon to approach, thereby clamping the electromagnetic wire. This method ensures that the electromagnetic wire is completely covered by the two sponge sliders, providing good conditions for subsequent lubrication operations, so that the lubricating liquid can be evenly applied to the surface of the electromagnetic wire.

The invention relates to a Litz wire manufacturing process, and belongs to the technical field of electromagnetic wire manufacturing technologies, and the Litz wire manufacturing process comprises the following steps: S1, preparing a twisted wire core: enabling a plurality of insulated wires to form the wire core through a multi-level twisting process; s2, compression molding: adjusting parameters of a molding die according to the target section graph, enabling a die orifice of the molding die to be switched in a trapezoidal or rectangular manner, and performing square pressing treatment on the wire core to obtain a molded litz wire with a trapezoidal or rectangular section; and S3, insulation coating: carrying out insulation coating on the molded litz wire. According to the compression molding process, the trapezoidal or rectangular cross section is flexibly generated through the forming die, the requirement of special-shaped litz wire equipment for the customized cross section is met, the space adaptability of the litz wire is improved, and the problems that a traditional circular or single rectangular wire rod is low in groove fullness rate and high in eddy current loss are solved.

The invention relates to a low-temperature-resistant dry-type transformer and a high-voltage coil manufacturing method, a high-voltage coil comprises a coil inner insulator, an air channel and a coil outer insulator, and multiple layers of electromagnetic wires are wound between the coil inner insulator and the air channel inner insulator and between the air channel outer insulator and the coil outer insulator. An interlayer insulator is arranged between every two adjacent layers of electromagnetic wires, end insulators are arranged at the two ends of the high-voltage coil, the electromagnetic wires are fixed by pouring low-temperature-resistant epoxy resin, and each of the coil inner insulator and the coil outer insulator comprises multiple layers of round-edge gridding cloth. The end insulation comprises end insulation gridding cloth and a first glass fiber continuous felt wrapping the end insulation gridding cloth from the outer side, the interlayer insulation comprises multiple layers of interlayer gridding cloth, a second glass fiber continuous felt is arranged between every two adjacent air channels, and a coil panel is arranged on the front side of the high-voltage coil. And panel filling gridding cloth is arranged between the coil panel and the outer diameter surface of the coil. The device can adapt to low-temperature and severe-cold environmental conditions, and heat preservation cotton and a heating device do not need to be additionally arranged.

The invention belongs to the technical field of electromagnetic wire materials and manufacturing, and particularly relates to a copper-aluminum composite special-shaped enameled wire and a preparation method thereof.The enameled wire comprises a copper-clad aluminum composite conductor and an insulating paint layer coated on the outer surface of the copper-clad aluminum composite conductor; the composite conductor is composed of a copper layer and an aluminum core, and the volume ratio of the copper layer to the aluminum core is 60%: 40%-70%: 30%. The thickness of the composite conductor is 0.5-2.0 mm, the width of the composite conductor is 2.0-10.0 mm, and the width-to-thickness ratio of the composite conductor is 2-8; the eccentricity of the copper layer is less than or equal to 2.5. The enameled wire has high conductivity, light weight and high reliability, and is especially suitable for high-frequency power electronic devices such as new energy automobile motors, high-frequency transformers and photovoltaic inverters, and application scenarios with high requirements for space utilization rate, heat dissipation performance and long-term stability such as spaceflight and deep sea equipment in extreme environments.

The utility model discloses a painting device for electromagnetic wire processing, which relates to the technical field of electromagnetic wire processing painting and comprises a fixing frame, a stirring unit is arranged on the inner side of the fixing frame, a material conveying unit is arranged on one side of the stirring unit, and a limiting unit is arranged on the top surface of the fixing frame. And a drying unit is arranged on the inner side of the limiting unit, the limiting unit comprises a mounting frame, the mounting frame is fixedly connected to the inner side of the top face of the fixing frame, a second motor is fixedly connected to one side of the mounting frame, and the output end of the second motor is in transmission connection with a limiting rod. Through the arrangement of the mounting frame, the second motor, the limiting rod, the first power wheel, the belt, the second power wheel, the sliding rod, the spring and the pressing wheel, the effect of limiting the moving electromagnetic wire in the conveying and painting process of the electromagnetic wire is achieved, meanwhile, deviation is avoided, the problem that the electromagnetic wire falls off is solved, and the service life of the electromagnetic wire is prolonged. And meanwhile, the electromagnetic wire is protected, so that the painting processing efficiency is improved.

The present invention provides a high-power dynamic constant tension winding and unwinding device, comprising a frame, a wire unwinding frame, a reduction motor, a control cabinet and a distance meter arranged on the frame; a wire unwinding shaft is arranged on the wire unwinding frame, wherein the wire unwinding shaft is used to place an electromagnetic wire reel, and the electromagnetic wire is wound on the electromagnetic wire reel; a frequency converter is arranged in the control cabinet, and the frequency converter is connected to the reduction motor and the distance meter, wherein the control cabinet is used to set the constant tension required for the electromagnetic wire, the reduction motor is used to output a torque that changes with the radius of the electromagnetic wire reel to the wire unwinding shaft, and the distance meter is used to detect the radius of the electromagnetic wire reel and feed back to the frequency converter, and the frequency converter adjusts the torque output by the reduction motor to form a closed loop, so that the electromagnetic wire on the electromagnetic wire reel maintains a dynamic constant tension. Regardless of whether the winding state is in motion or stagnation, a constant tension is loaded on the electromagnetic wire, which greatly improves the winding quality of the coil and the tightness between the turns, and reduces the quality risk when the synchronous machine is running.

The invention discloses an electromagnetic wire raw material wire straightening mechanism and a profiling device, and relates to the technical field of wire straightening. The electromagnetic wire raw material straightening mechanism comprises a protective cover and further comprises a moving mechanism arranged in the protective cover, and a cover plate is connected to the moving mechanism. According to the electromagnetic wire raw material straightening mechanism and the profiling device, after use is completed, the interior of the protective cover can be plugged and sealed, protective cotton can be protected and prevented from being polluted by impurities such as dust and water stains, abrasion or protrusion of the protective cotton can be detected conveniently, an alarm is given through an external alarm, and the safety of the electromagnetic wire raw material straightening mechanism and the profiling device is improved. When the straightening rollers in the same group are abraded or protrude, the two straightening rollers can synchronously get close to each other or get away from each other to move, the two straightening rollers in the same group are prevented from deviating from the center position, a wire body is prevented from being bent, and the straightening effect is guaranteed; and therefore, the subsequent profiling quality is ensured.

The invention discloses an electromagnetic wire self-adhesion performance data acquisition and intelligent analysis method, and relates to the technical field of data analysis. Multi-source data such as turn-to-turn gap, paint layer residual thickness, tension fluctuation and conduction state are synchronously acquired in the winding process; and analysis mechanisms such as a gap reduction rate, paint layer thinning distribution, a synchronous evolution track and a gap strength response curve are introduced, so that continuous modeling and quantitative characterization of the autohension performance evolution process are realized. Compared with the prior art which only depends on a single gap threshold value or a post mechanical test to judge the bonding performance, the method can be started from a complete physical chain from gap change to paint layer extrusion to metal contact to bonding failure, and the change trend of the bonding performance under different gap levels can be accurately revealed; and tension output is corrected in real time through a self-adaptive algorithm, closed-loop optimization of the bonding quality is achieved, and the product percent of pass and the production efficiency are improved.

The invention relates to the technical field of electromagnetic wire insulating layers, in particular to an insulating layer for an electromagnetic wire and a preparation method thereof, and the preparation method comprises the following steps: coating an insulating improved paint on the electromagnetic wire by adopting an enameling machine, and then continuously baking the electromagnetic wire by adopting the enameling machine to complete the preparation of the insulating layer. According to the insulating layer for the electromagnetic wire, the insulating layer is coated with the insulating improved paint through the enameling machine, the insulating improved paint is prepared from the polyimide paint, the xylene solvent, the weather change resistant functional agent and the modified filler, and the raw materials are co-matched, co-assisted and mutually blended to achieve a synergistic effect; the obtained insulating improved paint optimizes the softening breakdown property, wear resistance and pollution resistance of an insulating layer in a system, the performance coordination of a product is improved, and the weather resistance and temperature change resistance stability effects of the product are remarkable.

The grinding wheel comprises a grinding wheel body, a mounting section, a chamfering section and a cutting section are sequentially formed on the grinding wheel body from the circle center to the outside in the diameter direction, and the chamfering section is composed of a chamfering face with the included angle beta between the two faces. The cutting section is composed of two cutting surfaces with an included angle of alpha, and alpha < lt >; beta; an annular groove is formed in the intersection of the cutting surface and the chamfering surface; meanwhile, the utility model discloses a device for machining the closed gap of the piston ring, the device comprises a die sleeve, a ring gauge and a grinding wheel body, and a die sleeve cavity is formed in the die sleeve. The annular groove is formed between the chamfering section and the cutting section of the grinding wheel, the density of electromagnetic wires at the annular groove is increased, nickel base deposition at the position is increased, the carborundum bonding strength of the position is improved, meanwhile, the annular groove can discharge metal chips generated by cutting, heat dissipation is improved, and the service life of the grinding wheel is prolonged. The service life of the grinding wheel is prolonged.

The present invention belongs to the technical field of wire harness processing, and specifically is a system and method for rapid preparation of aluminum electromagnetic wires, wherein the production system comprises a wire drawing unit, an annealing unit and a coating unit; wherein the wire drawing machine comprises a machine body, a material support frame, a straightening cylinder, a lubrication box, a wire drawing die and a guide wheel; the wire drawing machine comprises a cleaning box, and the cleaning box is installed on the side of the lubrication box away from the wire drawing die; when the surface requirements of the required aluminum wire are low, the aluminum wire can increase the contact time with the pickling agent, thereby improving the removal effect of the surface oxide layer; therefore, the second electric push rod is extended, the two lifting wheels are separated from each other, the length of the aluminum wire between the two lifting wheels is increased, the lifting wheels are lowered and immersed in the pickling agent, and the aluminum wire with increased length is immersed in the pickling agent, thereby increasing the contact time between the aluminum wire and the pickling agent, improving the cleaning effect of the pickling agent on the surface oxide layer of the aluminum wire, thereby improving the cleaning effect of the surface oxide layer of the aluminum wire, and further improving the effect of aluminum wire preparation.

The utility model discloses a winding device for electromagnetic wire production processing, and relates to the technical field of electromagnetic wire processing. The device comprises a workbench, a moving seat is arranged on the right side of the top of the workbench, an adjusting assembly is arranged above the moving seat, a winding assembly is arranged on the left side of the top of the workbench, the adjusting assembly comprises a fixing frame, a fixing rod is fixedly connected to the center of the top of the moving seat, and a guide ring is fixedly connected to the top of the fixing rod. The top of the fixing frame is fixedly connected with an electric push rod. According to the utility model, the adjusting assembly is arranged, specifically, the electric push rod is started in the winding process to drive the lifting roller to move upwards or downwards through the lifting frame, and the lifting roller can extrude and tighten an electromagnetic wire or loosen the electromagnetic wire under the action of matching with the auxiliary roller, so that the tension of the electromagnetic wire is adjusted, and the electromagnetic wire is more uniform after being wound; over-tight or over-loose winding is avoided, and follow-up use of workers is facilitated.

The invention relates to a film sintering high-frequency automatic moving device which comprises a mounting frame, a sintering high-frequency machine is fixed to the outer wall of the middle of the mounting frame, a driving wire feeding roller and a driving wire collecting roller are distributed and mounted on the outer walls of the two ends of the top of the mounting frame, and a guide seat is fixed to the outer wall, located between the sintering high-frequency machine and the driving wire feeding roller, of the mounting frame. A guide groove is formed in the outer wall of the top of the guide seat, and a mounting frame is fixed to the outer wall of one side of the top of the guide seat. The sintering uniform cooling assembly is arranged, an arc cover fixedly covers the top of the water storage tank, an upper guide wheel and a lower guide wheel are matched to guide and convey an electromagnetic wire, the problem that the electromagnetic wire is bent and wrinkled is avoided, a driving wire feeding roller can drive a turbine pump to work, cooling water in the water storage tank is pumped, and the cooling effect of the electromagnetic wire is improved. And the liquid is pumped into the arc cover through the liquid pumping pipe, is sprayed and discharged through the spraying holes, and is sprayed on the outer wall of the conducting and conveying electromagnetic wire in the arc cover, so that a thin film formed after the electromagnetic wire is sintered is quickly cooled.

The utility model discloses an electromagnetic wire production size detection device, which comprises a detection table, two sides above the detection table are respectively and rotatably connected with a pay-off roller and a take-up roller, the pay-off roller is used for winding an electromagnetic wire and releasing the electromagnetic wire outwards, the take-up roller is used for winding the electromagnetic wire, and a diameter detection mechanism is arranged in the middle above the detection table. The first motor rotates the take-up roller to wind the electromagnetic wire, the second motor rotates the screw to enable the guide block to move back and forth in the guide groove and drive the take-up roller to move synchronously, the electromagnetic wire is evenly wound on the take-up roller, and the magnet and the detection probe are aligned once and count every time the take-up roller rotates by a circle. The circumference of the electromagnetic wire wound around the take-up roller by one circle multiplied by the number of times that the magnet is aligned with the detection probe is equal to the length of the electromagnetic wire, in addition, the two clamping blocks are moved to clamp the electromagnetic wire from the two sides, at the moment, the arrow index points to the scale line, the numerical value of the scale line is read, and the diameter of the electromagnetic wire is obtained through calculation.

The utility model relates to the technical field of detection equipment, in particular to an electromagnetic wire surface flaw detection device which comprises a bottom plate, a shooting mechanism, an electromagnetic wire, a torsion mechanism and a light supplementing piece, an operator firstly twists the part of the electromagnetic wire by using the twisting mechanism, then irradiates the twisting area by using the light supplementing piece, and then performs oblique shooting through the shooting mechanism, so that the operator can more clearly see that the flaw is subjected to diffuse reflection under the light source and determine the position of the flaw, and meanwhile, the use number of high-speed cameras can be reduced; only two devices are needed to complete the detection of the periphery of the electromagnetic wire, the use efficiency is greatly improved, the cost is reduced, the practicability and economical efficiency are better, and the popularization and use of the device are facilitated.

The utility model provides an electromagnetic valve and a full-automatic riveting device thereof. The full-automatic riveting device comprises a rack, the riveting mechanism is used for riveting the electromagnetic wire core and the flux sleeve; the circulating conveying mechanism is used for placing the workpieces and conveying the workpieces to the machining end of the riveting mechanism one by one; the flux sleeve feeding mechanism is used for conveying flux sleeves to the feeding end of the circulating conveying mechanism; the concentrating flux sleeve screening and conveying mechanism can convey the concentrating flux sleeves to the circulating conveying mechanism one by one and place the concentrating flux sleeves according to required positions; the electromagnetic wire core feeding and conveying mechanism can convey the electromagnetic wire cores to the sequential conveying mechanism one by one; and the discharging mechanism is used for taking out the riveted workpieces from the circulating conveying mechanism and conveying the workpieces to the outside. According to the automatic riveting machine, full-automatic riveting of the electromagnetic valve is achieved, automatic assembling can be achieved only by placing accessories in a designated area, manual participation is not needed, and the working efficiency is high.

Thermally conductive electrically insulating PAEK nanocomposite compositions and polymers suitable for improved electric motor windings are provided. PAEK nanocomposite insulated magnet wires are also provided.

The present application belongs to the technical field of shock insulation support, and particularly relates to a composite thick laminated rubber shock insulation support with self-adaptive damping and a shock insulation method thereof.The technical scheme is as follows: a composite thick laminated rubber shock insulation support with self-adaptive damping, comprising an upper connecting steel plate and a lower connecting steel plate, a steel plate layer, a rubber layer, a pressure sensing layer and a sensor network layer are arranged between the upper connecting steel plate and the lower connecting steel plate, a plurality of fluid cavities are arranged in the rubber layer and are communicated through pipelines; the pressure sensing layer is provided with an electromagnetic coil, a piezoelectric driving unit and a valve body, the valve body is connected with the fluid cavities through a conduit, the electromagnetic coil is sleeved on the valve body, and the electromagnetic coil and the valve body are electrically connected with the piezoelectric driving unit respectively.The present application provides a composite thick laminated rubber shock insulation support with self-adaptive damping and a shock insulation method thereof, which has the functions of intelligent sensing and self-adaptive adjustment and can maintain long-term stable performance.

The utility model discloses an induction cooker which comprises a shell, an electromagnetic wire coil arranged in the shell, a first fan, a second fan and a main control board provided with a radiator, and the first fan and the second fan are distributed on the same side of the main control board side by side. A first air blocking ring and a second air blocking ring corresponding to the first fan and the second fan are arranged on the wall of the shell respectively, the first air blocking ring is provided with a first opening allowing the first fan to discharge air towards the radiator, and the second air blocking ring is provided with a second opening allowing the second fan to face the position between the main control board and the electromagnetic wire coil. The first opening extends to the inner bottom wall of the shell from the upper end of the first air blocking ring, and the second opening is provided with a lifting rib so that the lower end edge of the second opening can be higher than the lower end edge of the first opening. According to the induction cooker disclosed by the utility model, the air quantity blown to the radiator can be increased, and the radiating effect of the radiator is improved, so that the performance of the whole machine is ensured.

The utility model relates to the technical field of inductor coil forming, and discloses a coil feeding clamping structure of an inductor coil forming device, including a workbench, and three extension plates are fixedly connected to the top of the workbench. The coil feeding clamping structure of the inductor coil forming device is configured by a staff member pulling a limit rod inward to press a first spring to store force, adjusting the position of a slide plate to a specified position, loosening the limit rod to release the force generated by the first spring, so that the first spring rebounds and pushes the limit rod to insert into the inner wall of a socket, fixing the position of the slide plate, adjusting the positions of three rubber rollers to clamp and fix the electromagnetic wire reel, so that the electromagnetic wire reel is placed on the top of a tray, and through the rotation connection of the rubber roller and the extension column, when the rubber roller clamps the electromagnetic wire reel, the electromagnetic wire reel can rotate horizontally, which is convenient for clamping electromagnetic wire reels of different sizes, and convenient for the staff member to rotate the electromagnetic wire reel to change the copper wire winding position when winding the copper wire on the electromagnetic wire reel.

The utility model relates to the technical field of electromagnetic wire cooling, and discloses an annealing and cooling device for electromagnetic wire production, which comprises a transmission device, a base, a cooling device and an electromagnetic wire, the transmission device is arranged on the base, the cooling device is fixedly arranged on the base, and the electromagnetic wire is arranged in the cooling device; a clamping assembly, a cooling assembly and an auxiliary assembly are arranged on the base, the clamping assembly is arranged on the cooling device, the cooling assembly is arranged in the cooling device, and the auxiliary assembly is arranged on the cooling device; according to the electromagnetic wire production annealing cooling device, the clamping assembly, the cooling assembly and the auxiliary assembly are arranged on the base, innovation of the electromagnetic wire production annealing cooling device is achieved, a clamping groove in the clamping assembly is matched with a clamping protruding head, and the device is convenient to mount and dismount; the spiral inner cooling groove is matched with the inner cooling machine to cool the electromagnetic wire from the inside, the outer cooling pipe is connected with the outer cooling machine to cool from the outside, and the cooling efficiency is remarkably improved through the double-cooling mechanism.

A magnet wire according to an aspect of the present disclosure is a magnet wire comprising a conductor and a plurality of insulating layers covering the conductor, wherein the insulating layers have an innermost layer and an outermost layer, a main component of the innermost layer is a fluororesin, and a ratio E1 / E2 of a Young's modulus E1 of the outermost layer to a Young's modulus E2 of the innermost layer is 1.1 or more.

The present invention provides a gradient columnar crystal electromagnetic wire conductor and a preparation method thereof. For the gradient columnar crystal electromagnetic wire conductor of the present invention, the surface layer is a coarse crystal structure and the core is a fine crystal structure along the cross-sectional direction of the conductor, and the columnar crystal structure is along the axial direction of the conductor. The present invention first adopts a drawing and continuous annealing process, controls the drawing deformation amount, annealing temperature and heating time to make the recrystallization degrees of the surface layer and the core different, and obtains a gradient crystal electromagnetic wire conductor; then adopts a directional heat treatment process, controls the drawing rate and temperature gradient to make the grain boundaries migrate directionally, and finally obtains a gradient columnar crystal electromagnetic wire conductor. The present invention prepares a gradient columnar crystal electromagnetic wire conductor for the first time. The special gradient columnar crystal structure can reduce electron scattering and relieve the skin effect. Among them, the conductivity of the copper conductor is increased to 103% IACS and the elongation is increased to 42%. The preparation method can produce a high-power and low-loss electromagnetic wire conductor and be applied to the process production line.