220results about How to "Quick take out" patented technology

The application discloses a pressing device for polaroid processing, which comprises an operation platform, a supporting frame arranged on the operation platform, and a negative pressure adsorption fixing assembly arranged on the lower side of the polaroid. The lower surface of the polaroid is adsorbed and cleaned by the negative pressure adsorption fixing assembly, so that the polaroid is fixed in a mold positioning piece. When the polaroid on the pull plate is slid along a sliding path and arranged in a pull groove, a liquid crystal glass upper surface cleaning assembly arranged on the sliding path is used to clean the upper surface of the liquid crystal glass. The liquid crystal glass upper surface cleaning assembly comprises a glue sticking piece arranged on the upper side of the liquid crystal glass, a smooth surface and a sticking surface are arranged on the glue sticking piece, and the sticking surface faces the upper surface of the liquid crystal glass. When the polaroid is conveyed to the lower side of the glue sticking piece, a pressing assembly arranged on the operation platform is used to press the glue sticking piece, so that the sticking surface is in contact with the upper surface of the liquid crystal glass, and the fingerprints and dust on the liquid crystal glass are cleaned. The application has the effect of dust-free pressing of the polaroid.

The invention relates to the technical field of mold changing of injection molding machines, in particular to a rapid mold changing mechanism for injection molding machining and an injection molding machine thereof, and solves the problems that when an injection molding machine mold changing mechanism is used, a new mold can be installed only after an old mold is taken down and placed well, operation is inconvenient, mold positioning is generally not achieved when the mold is installed, and the mold changing efficiency is high. The injection molding machine comprises an injection molding machine mechanism, and two injection molding mold structures are arranged in the injection molding machine mechanism. Mechanical locking of the mold body is achieved by clamping the limiting insertion rods into the limiting grooves, meanwhile, the electromagnet is powered on, a magnetic conductive plate of the mold body is electromagnetically attracted through the electromagnet, electromagnetic locking of the mold body is achieved, the stability of the mold body is improved, and the service life of the mold body is prolonged. And the situation that the mold body is not mounted in place to cause mold slot positions during mold replacement is avoided.

This utility model relates to the field of construction engineering technology and discloses a lifting device for construction engineering, including a base. The top of the base has a clearance groove, and a lifting bucket is mounted on the top of the clearance groove. A support frame is fixedly connected to the bottom of the lifting bucket, and a cylinder is fixedly connected inside the support frame. A push rod is fixedly connected to the output end of the cylinder. This utility model has the following advantages and effects: When the lifting bucket rises, the first and second lifting plates increase stability. Anti-slip holes slide on the outer surface of the guide rod. The first lifting plate supports the top of the lifting bucket, and the second lifting plate supports the bottom of the lifting bucket, making lifting more stable. When it rises to a certain height, the cylinder is activated to drive the push rod upward, and the push rod pushes the placement frame out of the lifting bucket, facilitating the discharge of the placement frame and thus enabling the rapid removal of building materials from the lifting bucket, improving lifting efficiency.

The utility model belongs to the technical field of die-casting dies, and particularly relates to a die-casting die with a buffer structure, which comprises an upper die, the surface of the upper die is sleeved with a slip ring, the upper surface of the slip ring is fixedly connected with a first U-shaped plate, the upper surface of the first U-shaped plate is fixedly connected with a hydraulic push rod, and the upper surface of the hydraulic push rod is fixedly connected with a second U-shaped plate. The upper surface of the hydraulic push rod is fixedly connected with a top plate. According to the die-casting die with the buffer structure, through cooperation of a sliding ring, a sliding groove, a pressing block, a limiting block, a supporting ring, a hollow cylinder, a trapezoidal block, a first spring, a round hole, a cylinder, a damping column, a second U-shaped plate, a threaded hole and a bolt, when the die-casting die is closed, an upper die can slowly move downwards, and the die-casting die is not prone to falling off; and the impact force instantly generated when the upper die and the lower die are assembled is greatly reduced, and the abrasion and damage of the die caused by impact are reduced, so that the service life of the die-casting die is remarkably prolonged.

A multi-directional core-pulling mechanism and mold are disclosed. The multi-directional core-pulling mechanism includes a first slide block, an upper template, and a first core block, a second core block, and a third core block forming an undercut cavity. The upper template is provided with a first guide member and a second guide member, the first guide member being slidably connected to the first slide block. The first core block is fixed to the first slide block, and the first core block is provided with a slidable second slide block, the second slide block being slidably connected to the second guide member, and the second core block being slidably connected to the second slide block. The third core block is movably connected to the first slide block. In this application, the first guide member and the second guide member guide the movement of the first slide block and the second slide block respectively, enabling the first core block, the second core block, and the third core block to perform core-pulling actions along a first direction, a second direction, and a third direction (intersecting in pairs). The multi-directional core-pulling method can accurately adapt to the molding requirements of products with complex undercut structures, improving the molding quality and demolding success rate of the product.

The utility model provides a scrap edge collecting device of a coil stock splitting machine. Relates to the technical field of coil stock splitting machines, the scrap edge collecting device of the coil stock splitting machine comprises a storage box, a collecting box is slidably installed in the storage box, a side edge block is fixedly installed on one side of the storage box, a first electric motor is arranged at the bottom of the side edge block, and a connecting frame is fixedly installed at the top of the side edge block; a first adapter shaft is rotatably mounted on the side block, the first adapter shaft is rotatably connected with the connecting frame, the first adapter shaft is fixedly sleeved with a modulation block, a round rod is rotatably mounted on one side of the modulation block, and a second electric motor is fixedly mounted at the top of the modulation block; the output shaft of the second electric motor and the circular rod are fixedly sleeved with circular gears. The waste gas leftover material collecting device has the advantages of reducing manpower expenditure, automatically collecting waste gas leftover materials and conveniently and rapidly cleaning the leftover materials.

The utility model discloses an anti-interference shielding case for deformation detection of a transformer winding, which relates to the technical field of transformer detection equipment and comprises a shielding case main body and a movable door slidably arranged in the shielding case main body. The shielding cover main body, the movable door and the top plate are arranged to form a shielding structure for wrapping the transformer winding, electromagnetic interference of the external environment on the transformer winding can be isolated in the detection process of the transformer winding, the heat conduction copper pipes are arranged in the middle of the top plate, and the heat conduction copper pipes are provided with the horizontal parts and the inclined parts, so that the heat conduction efficiency is improved. The horizontal part can achieve heat exchange with heat in air in the shielding structure through the heat conduction fins on the outer side of the horizontal part, and the inclined part can achieve heat exchange between heat in the heat conduction copper pipe and outside air through the heat dissipation fins on the outer side of the inclined part. And the transformer winding is prevented from being damaged by heat accumulation while the anti-electromagnetic interference on the transformer winding is realized.

The utility model relates to a blow -fill -seal equipment technical field discloses a sterilization cup subassembly of blow -fill -seal equipment, sterilization cup main part has the accommodation cavity, and the needle is inserted into the accommodation cavity and goes down, and the adjusting mechanism includes adjusting lever, guide seat, guide block and adjusting lever fixed block and installs the sterilization cup mounting seat on the surface of sterilization cup main part. The sterilization cup subassembly of blow -fill -seal equipment moves through the setting adjusting lever and pushes the guide block, indirectly makes the up-and-down movement of sterilization cup main part, when the upward movement, the contact surface of compactor and extruder mould is compacted, forms the sealed environment, compares the operation of multiple jackscrews of current multiple jackscrews, is different from the multiple jackscrew scheme of conventional, adjusts the jackscrew one by one to realize the lifting of sterilization cup, here only needs to adjust an adjusting lever, can use the linear motion of guide block to realize the lifting of sterilization cup, and the operation is simple, and the stress is even.

The utility model discloses a luggage case with a transparent window, which relates to the field of luggage cases and comprises a luggage case body, a transparent window plate is rotatably connected to one side of the luggage case body, a metal frame is arranged in the transparent window plate, a storage box is mounted at the bottom of the metal frame, movable seats are mounted on two sides of the bottom of the transparent window plate, and the movable seats are movably connected with the transparent window plate. A first sliding block is slidably connected to the interior of the moving seat, rotating seats are arranged on the two sides of the interior of the luggage body, connecting rods are rotatably connected to the interiors of the rotating seats, one ends of the connecting rods are rotatably connected to the first sliding block, and locking mechanisms used for locking the supporting angles of the connecting rods are arranged on the rotating seats. By arranging the transparent window plate, a user can conveniently and clearly observe the storage condition of articles in the luggage case when using the luggage case, and meanwhile, the transparent window plate can be quickly unlocked through the coded lock, so that the transparent window plate can be opened, and a charger, a certificate and other articles can be taken out.

This utility model relates to the field of air duct guiding technology and discloses an air duct guiding device for a humidified air handling unit. The novel solution includes an air duct pipe with an installation port extending through its right side. An installation plate is placed inside the installation port, and slots are evenly spaced through its right side. A rubber scraper ring is installed in each slot. A connecting plate is placed on the right side of the installation plate, and guide plates are evenly spaced on the left side of the connecting plate. This utility model allows for quick removal of the installation plate and guide plates from the air duct pipe by unscrewing two sets of bolts, thus improving the ease of assembly and disassembly. By stabilizing the installation plate and pulling the connecting plate to the right, the guide plates move to the right, causing dirt on the surface of the guide plates to be scraped off by the rubber scraper ring. Only the rubber scraper ring needs to be cleaned, eliminating the need to clean the entire surface of the guide plates, thereby improving cleaning convenience.

A round flattening die for die cutting relates to the technical field of die cutting and comprises a bottom plate, a bearing plate, a die cutter and a pressing plate, the bearing plate is arranged on the upper end face of the bottom plate, bolts are distributed on the lower end face of the bearing plate, the lower ends of the bolts penetrate through the bottom plate, each bolt is provided with a nut in threaded connection, and the bottom plate and the bearing plate are fixed through the bolts and the nuts. Die-cutting knives are distributed on the upper end face of the bearing plate in an equidistant array mode, a pressing plate is arranged above the die-cutting knives, and die-cutting materials are arranged between the die-cutting knives and the pressing plate. According to the utility model, the detachable bearing plate is arranged above the bottom plate, so that the flatness of the bearing plate is convenient to adjust, and the processing precision during die cutting is improved; the pressing plate is arranged above the die-cutting knife of the bearing plate, so that the die-cutting material can be conveniently fixed in advance, and the displacement of the die-cutting material under pressure is avoided; and by arranging the turnover supporting plate, die cutting materials in the die cutter can be rapidly taken out, and the machining efficiency is improved.

The utility model relates to the field of commodity vending machine discloses a commodity vending machine with turnover type delivery port, including main body, the main body front end surface hingedly arranged has the cabinet door, the main body front end surface one side upper portion fixedly arranged has the control screen, the main body lower end surface one side fixedly arranged has the delivery module, the delivery module includes the fixed box, the fixed box inner bottom one side bolted fixed has the rotating motor. In the utility model, one side of rotating link is equipped with second rotating sprocket, the inside of fixed box is installed with rotating motor, and the output of rotating motor is installed with first rotating sprocket, and first rotating sprocket and second rotating sprocket can be connected through chain, can make first rotating sprocket drive second rotating sprocket to rotate when rotating motor starts, and the outer surface of rotating link is fixedly arranged with fixed cylinder, and the front end surface of fixed cylinder is installed with storage box, and can make storage box overturn backward when rotating link rotates.

The utility model discloses a kind of water culture devices for yunnan rhizoma polygonati breeding, it is related to yunnan rhizoma polygonati cultivation technical field, including culture rack, the culture rack is slidably connected with multiple water storage channels, and the water storage channel upper end is provided with culture plate;Multiple planting holes are evenly provided in the culture plate, and the culture plate upper end is connected with multiple fixed components, and fixed component is located planting hole outer end.The utility model design structure is reasonable, it can simultaneously carry different batches, different genotypes yunnan rhizoma polygonati breeding material, while independent water supply head, gate plate can individually adjust the water supply of each water storage channel, water supply frequency, realize the accurate management of "one tank one strategy", satisfy the individualized demand of different breeding material, to improve the success rate of breeding, can avoid the problem of "excessive supply" or "insufficient supply" caused by unified water supply, accurately match the demand of each growth stage of yunnan rhizoma polygonati, save water resource, nutrient solution and other consumables, reduce breeding cost.

The utility model discloses a cell storage transfer box, which relates to the technical field of transfer boxes, and comprises a transfer box body, a sliding chute is arranged in the transfer box body, a screw rod is arranged in the sliding chute, and a driving component is arranged on one side of the transfer box body. By the adoption of the structure, the driving assembly is installed on the transfer box body and used for driving the lead screw to rotate in the sliding groove, so that the screw block on the surface of the lead screw is driven to move in the sliding groove, the screw block drives the movable plate to move, the movable plate drives the pipe frame to move, and the pipe frame can stretch out of the transfer box body; a worker can take out or place the tube rack and the test tube more easily and quickly without performing complex actions in a narrow space, so that the smoothness of the whole operation is improved, the occurrence of unforeseen circumstances such as test tube rupture, cell sample pollution or damage and the like caused by misoperation is reduced, and the working efficiency is improved. Therefore, precious cell samples are protected from being damaged.

The invention belongs to the technical field of electric control cabinets, and particularly discloses a direct-current voltage control device and method for a multi-terminal flexible direct-current system, and the device comprises an electric control cabinet which is internally provided with a flexible interconnection device and is used for achieving the seamless interconnection of two distribution transformers at a direct-current side; and the monitoring probe is horizontally inserted into the side surface of the electric control cabinet, and the monitoring probe is mounted in the electric control cabinet through a connecting part. The rotating rod is installed in the through groove of the inner ring in a rotating mode, the two opposite swing rods limit the side edge of the outer side end of the rotating rod through the pressing head under the elastic force effect of the first elastic piece, the outer side ends of the swing rods extrude the inner side wall of the inner ring groove, it is guaranteed that the monitoring probe is rapidly installed in the electric control cabinet, and the monitoring efficiency is improved. And the monitoring probe can be quickly taken out from the interior of the electric control cabinet in a reverse rotation mode.

The utility model discloses a handheld soil sampling device for environmental monitoring belongs to soil sampling technical field, including pressing plate, the middle part of pressing plate upper surface is equipped with guide slot, the inside slide coupling of guide slot is equipped with limiting component, and the upper surface of pressing plate is fixedly connected with the positioning ring in the periphery of guide slot, through being equipped with limiting component, can fix the position that inner rod extends downward to with fixed peg, to control the position of limiting plate in the inside of sampling cylinder, thereby limiting the depth of sample that can take, guarantee the consistency of each sampling depth, reduce sampling error, promote the representativeness of sample and the accuracy of subsequent analysis result, and simultaneously, can push the sample collected from sampling cylinder downward through limiting plate, and the quick taking out of sample is convenient, to promote the operation convenience and work efficiency, through being equipped with fixed component, make the outer tube can slide to the inside of sampling cylinder after the lateral movement of force plate.

The utility model relates to PCB board processing technical field, and disclose a kind of PCB component continuous plug-in device, this PCB component continuous plug-in device, including workbench, the upper surface of workbench is fixedly connected with support plate, the upper surface of support plate is equipped with automatic plug-in machine, the back of workbench is equipped with automatic feeding mechanism, the automatic feeding mechanism can be the automatic plug-in machine and transport component;The upper surface of support plate is equipped with two movable grooves, the inside of support plate is equipped with empty slot, the inside both sides wall of empty slot is rotatably connected with screw rod, the surface of screw rod is threadedly connected with screw sleeve, the upper surface of screw sleeve is fixedly connected with mounting plate, the device can be automatically plugged in PCB board when using Operation, and can be cyclically and continuously processed, reduce the downtime waiting time in the process of taking out and placing PCB board, improve production efficiency.

The utility model discloses a shaft sleeve flanging device, which relates to the technical field of shaft sleeve processing and comprises a workbench, one end of the workbench is fixedly connected with a fixing frame, the upper end of the fixing frame is provided with a first cylinder, the telescopic end of the first cylinder is fixedly connected with a mounting seat, the bottom end of the mounting seat is movably connected with a flanging punch, and the upper end of the workbench is fixedly connected with a fixing seat. The upper end of the fixing base is movably connected with an assembling base, the upper end of the assembling base is fixedly connected with a limiting cylinder, a demolding assembly is installed in the workbench, the bottom end of the assembling base is symmetrically and fixedly connected with assembling blocks, and fixing assemblies are installed in the assembling blocks. By the adoption of the structure, the shaft sleeve flanging device can adapt to shaft sleeves of different specifications, multiple purposes are achieved, the flexibility and the utilization rate of equipment are improved, new components can be replaced conveniently, the whole equipment does not need to be replaced, and therefore the maintenance cost is reduced, and the downtime is shortened.

An acid washing tank, comprising a tank body, a tank cover arranged on the tank body, a filtering channel arranged on one side of the tank body for filtering acid washing liquid, a filter screen arranged in the filtering channel and detachably connected with the filtering channel, the filter screen comprising a fixing portion arranged on one side, a fixing groove fixedly connected with the fixing portion arranged on one side of the filtering channel, an insertion groove arranged on the other side of the filter screen, a connecting block arranged on the filtering channel and matched with the insertion groove, a locking track arranged in the insertion groove, and a locking shaft arranged on the connecting block and used for being clamped with the locking track to form a fixed connection.

The utility model discloses a kind of multi-cut head tobacco shredding machine, including base, feed inlet, conveyor, flattening mechanism, driving mechanism, feed inlet is established in the top end of base one side, conveyor is installed in the top end of base other side, conveyor is installed in the top end of base, driving mechanism is installed in the inside of base, and the top end of driving mechanism extends to the outside of the top end of base, the top end of driving mechanism is bolted with main blade at the position above conveyor, the top end of driving mechanism is symmetrically installed with shredding assembly, base is installed with a pair of first mount on the side away from feed inlet. The multi-cut head tobacco shredding machine device of the application is adjusted to the angle of two auxiliary blades, so that two auxiliary blades can run together with main blade and shred tobacco leaves, so that the edge of tobacco leaves can be better cut, and the shredding effect of the multi-cut head tobacco shredding machine is improved, and the overall quality of the product is improved.

The application relates to the technical field of blood cell separation machines, in particular to a blood cell separation machine device for hematology nursing, which comprises a stirring mechanism, a feeding mechanism, a drawing mechanism, a centrifugal mechanism and a separation mechanism. The upper end of the stirring mechanism is provided with the feeding mechanism, the lower end of the feeding mechanism is provided with the drawing mechanism, the lower end of the drawing mechanism is provided with the centrifugal mechanism, and the centrifugal mechanism is provided with the separation mechanism at one end. The rotating stirring blade can uniformly mix blood and anticoagulant, preventing the blood from coagulating before centrifugation. The second sliding block and the first connecting pipe are in sliding cooperation, so that the anticoagulant can be automatically and quantitatively added into the cylinder. The second sleeve can draw the blood in the cylinder to the test tube when the first motor stops rotating. The sliding pipe and the second fixed block can quickly take out the separated blood plasma. The third sliding block can be pulled outward to take out the remaining blood cells conveniently and quickly.

The utility model relates to the technical field of hydrology and water resource exploration, in particular to a hydrology and water resource sample storage device which comprises a fixing column, multiple layers of sample storage mechanisms and a pressing and pushing mechanism used for horizontally pushing the multiple layers of sample storage mechanisms, a plurality of vertical fixing grooves are formed in the side face of the fixing column in the circumferential direction of the fixing column, and the multiple layers of sample storage mechanisms are arranged in the fixing column. The multiple multi-layer sample storage mechanisms are horizontally inserted into the corresponding fixing grooves respectively, the fixing column is of a cylindrical structure, the pressing and pushing mechanism rotates in the fixing column, the fixing column is fixed in the outer box, the peripheral side face of the outer box is provided with multiple door holes, the door holes correspond to the fixing grooves in position, box doors are arranged in the door holes, one sides of the door holes are provided with door grooves, and the door grooves are communicated with the door holes. And the box door slides in the door groove. The problem that according to an existing water sample storage device, when a plurality of water sample storage bottles are taken at a time, labor is wasted is solved.

The utility model discloses a kind of laser cutting machines facilitating material taking, it is related to laser cutting machine technical field, including laser cutting machine body, controller and laser cutting head, the surface of the laser cutting machine body is equipped with controller, the top of the laser cutting machine body is provided with laser cutting head.The laser cutting machine facilitating material taking, by starting to drive motor after completing cutting, so that first processing plate can drive second processing plate to move, so that second processing plate can be cut to the laser cutting head bottom end when moving to newly placed workpiece, and the first processing plate removed can be quickly taken out to the workpiece processed, by the contact between protective pad and clamping plate, and mounting rod can be inserted into clamping plate inside, immediately by locking rod locking mounting rod, clamping plate can be protected by protective pad when clamping workpiece, avoid laser cutting machine when clamping workpiece and produce deformation.

The utility model discloses a kind of thin-walled pipe head cold press forming die, including bottom plate, both sides of bottom plate top are fixedly connected with side plate, two the side plate upper end are fixedly connected with top plate, and the top plate bottom is equipped with stamping structure;The bottom plate top is fixedly connected with support seat, the support seat top is equipped with forming groove, and the support seat is directly below stamping structure, and the bottom plate top is fixedly connected with two oil storage box, two the oil storage box top are fixedly connected with oil suction pipe, and two the oil suction pipe bottom are all through oil storage box and extend to oil storage box inner bottom portion.The utility model can spray oil to the surface of pressing block automatically when cold pressing by the cooperation of oil storage box, oil suction pipe, driving plate, pull rod and other components, so as to greatly reduce the friction between pressing block and cold pressing piece, not only can reduce the wear of pressing block surface, but also can reduce the wear of cold pressing piece surface, and it is high in practicality.

This utility model relates to the field of power distribution box technology, specifically to a sample storage device for ecological environment monitoring, including a storage box. The storage box has an internal clamping mechanism, and the bottom of the clamping mechanism has a bottom-supporting protection mechanism. The advantages are as follows: when a sample container is placed inside the storage box, the spring telescopic rods on both sides push the upper and lower racks to move towards each other, causing the extension plate to clamp the container, achieving compatibility with non-standard sampling equipment containers. When it is necessary to remove the sample container, the storage cover is pulled open, causing the handle to rotate until the push block drives the transmission rod to rotate, causing the gears and racks to move the two clamping plates. This allows the pull rope to move the bottom-supporting plate upwards to the top, pushing the sample container out from between the extension plates, achieving rapid removal of the placed sample container.

The utility model relates to the field of air jet loom, disclose a kind of jeans air jet loom shedding mechanism, including air jet loom main body, upgrading assembly is installed in the air jet loom main body, cleaning assembly is installed in the air jet loom main body outside, the upgrading assembly includes protective shell, the protective shell outside fixedly connected in the air jet loom main body front side, ten conjugate cams are rotatably connected in the protective shell inside, ten rotor swing rods are rotatably connected in the protective shell inside, connecting rod is rotatably connected in the rotor swing rod top, lever is rotatably connected in the connecting rod rear side, push-pull rod is rotatably connected in the lever bottom. In the utility model, by being added two conjugate cams and rotor swing rod on original conjugate cam and rotor swing rod, form ten heald frames, realize the more complex variety that can weave, when needing to produce twill, satin or small jacquard fabric, increase the number of heald frame to realize the independent control of multiple warp yarns, effectively improve production efficiency.

The utility model discloses a crushing and dewatering device for kitchen garbage treatment, and relates to the technical field of kitchen garbage treatment. The dewatering device comprises a dewatering cylinder, stand columns are fixedly connected to the left side and the right side of the dewatering cylinder, a drainage pipe is fixedly connected to the bottom of the dewatering cylinder, the dewatering device further comprises a cover plate, and the cover plate is connected to the top of the dewatering cylinder in an inserted mode and used for sealing the top of the dewatering cylinder. According to the utility model, the dewatering mechanism is arranged, specifically, after the centrifugal cylinder completes dewatering of garbage, the cover plate is pulled upwards to be detached, then the handle is pulled to lift and detach the centrifugal cylinder upwards, the cross clamping block is separated from the cross clamping groove, the arc-shaped sliding block is separated from the annular rail, and then the centrifugal cylinder can be taken out quickly; and in this way, workers do not need to salvage the garbage in the centrifugal cylinder, labor force is reduced, and the garbage cleaning efficiency is greatly improved.

The utility model discloses a rotor silicon steel sheet with good heat dissipation performance, and relates to the technical field of rotors, and the rotor silicon steel sheet with good heat dissipation performance enables an electromagnetic coil to carry out airflow flowing from the inside to the outside through the sequential flowing of airflow from a first flow guide hole, a second flow guide hole, a third flow guide hole, a fourth flow guide hole and a fifth flow guide hole. Heat in the electromagnetic coil can be conveniently and rapidly taken out, heat wound by the winding plate into the electromagnetic coil can be conveniently and rapidly blown out for heat dissipation through the multiple layers of trapezoidal heat dissipation holes, air flows from the interior of the coil to the outer layer winding plate and to the outer side air to take away heat layer by layer, and heat discharge is accelerated through the multiple layers of trapezoidal heat dissipation holes according to the hot air rising principle. The multiple layers of holes are arranged to form a turbulence effect, a thermal boundary layer is destroyed, the heat dissipation efficiency is improved, when the coil is wound on the winding plate, heat is rapidly conducted out through the multiple layers of trapezoidal heat dissipation holes, and local overheating is avoided.