Preparation method and equipment of large-size nanocrystalline magnetic sheet

Abstract

The invention relates to the technical field of nanocrystalline magnetic sheet preparation, and discloses a nanocrystalline magnetic sheet preparation method and equipment, the equipment comprises: a base, one side of the top of the base is provided with a preparation rack; the control mechanism is located in the preparation frame and comprises a positioning assembly, a material taking assembly and a bearing assembly, raw materials for preparing the nanocrystalline magnetic sheets are added into the feeding box through the feeding hopper, so that the raw materials are located in the feeding box, stirring rollers are driven by a servo motor to rotate, and the raw materials in the smelting box can be smelted; through the arrangement of the control mechanism, finished wafers can be taken out quickly, the production efficiency of the device is improved, the risk that the wafers are damaged due to frequent manual taking and placing of the wafers is avoided, meanwhile, the problem that the wafers are possibly affected by unnecessary heat or other environmental factors due to long-time retention in an existing device is solved, and the production efficiency of the device is improved. And the microstructure and the magnetic performance of the material are further damaged.

Description

Technical Field

[0001] The present invention relates to the technical field of nanocrystalline magnetic sheet preparation, and more specifically, to a method and equipment for preparing a large-size nanocrystalline magnetic sheet. Background Art

[0002] Nanocrystalline magnetic sheet is a magnetic element made of nanocrystalline alloy material. It has the characteristics of high magnetic permeability, low loss and high saturation magnetic induction intensity. It is usually made of iron, silicon, boron and other elements through rapid solidification technology. The grain size is at the nanometer level. The material is light, thin and soft, vibration-resistant and not easy to crush. It is suitable for wireless charging of various electrical appliances such as automobiles, drones, robots, etc. Nanocrystalline magnetic sheets are usually prepared using a preparation equipment that precisely controls the temperature, cooling rate and time to ensure the best performance of the material.

[0003] When in use, the traditional preparation device converts the alloy raw materials into materials with tiny grain size and high magnetic properties through the steps of smelting, rapid cooling and subsequent heat treatment. First, the raw materials are melted in a smelting furnace and evenly mixed into an alloy melt, which is then received by a mold seat and cooled by natural temperature to obtain a finished crystal product. However, it is difficult to quickly remove the finished wafer after it is shaped by the mold seat, resulting in low production efficiency and frequent manual placement of wafers. During the manual placement process, the risk of wafer quality damage is increased, thereby increasing production costs. At the same time, long-term retention may cause the wafer to be affected by unnecessary heat or other environmental factors, thereby damaging its microstructure and magnetic properties. Summary of the invention

[0004] The present invention discloses a method and equipment for preparing large-size nanocrystalline magnetic sheets, which solve the technical problem in the related art that it is difficult to quickly take out the finished chips after shaping them using a mold base, resulting in low production efficiency and the need for frequent manual placement of chips, which increases the risk of chip quality damage during the manual placement process.

[0005] The present invention discloses a large-size nanocrystalline magnetic sheet preparation device, comprising: A base, a preparation frame is installed on one side of the top of the base, and a mold seat is arranged on the top of the preparation frame; A smelting mechanism, which is located on the top of the base and is used to smelt the raw material; A feeding mechanism, which is located at one side of the smelting mechanism and is used to add raw materials into the interior of the smelting mechanism; A control mechanism, the control mechanism is located inside the preparation frame and is used to control the mold seat, the control mechanism includes a positioning component, a material taking component and a receiving component, the positioning component is located between the preparation frame and the mold seat and is used to position the mold seat, the material taking component is located on the top of the preparation frame and is used to take out the finished product inside the mold seat, and the receiving component is located inside one side of the preparation frame and is used to receive the finished product after it is taken out.

[0006] Preferably, the positioning assembly comprises an inserting plate fixed on one side of the mold base, the inserting plate is plugged into the preparation frame, and a plugging assembly for plugging the inserting plate is provided between the inserting plate and the mold base.

[0007] Preferably, the plug-in assembly includes an empty slot opened on one side of the preparation rack, a movable plate is arranged inside the empty slot, linkage rods are fixed on both sides of the movable plate, two linkage rods extend to the top of the preparation rack and are jointly fixed with a pressing plate, a return spring is connected between the movable plate and the empty slot, and a latch plate is fixed on the top of the movable plate, and the latch plate is plugged into the bottom of the plug plate.

[0008] Preferably, the material taking component comprises a support frame installed on one side of the top of the preparation frame, a blower is fixed on the top of the support frame, a hose is connected to the air inlet end of the blower, a suction cup connected to the hose is arranged inside the support frame, the suction cup corresponds to the mold seat, and a driving component for driving the suction cup to move up and down is arranged between the suction cup and the support frame; A plurality of mounting frames are fixed to the outer wall of the support frame, bolts are screwed between the mounting frames and the preparation frame, sliding bars are fixed to both sides of the mold seat, and sliding grooves for the sliding bars to slide are provided on both sides of the preparation frame.

[0009] Preferably, the driving assembly includes a threaded plate and a movable plate fixed on both sides of the suction cup, and open grooves for sliding of the threaded plate and the movable plate are provided on both sides of the support frame, and threaded rods and positioning plates are respectively installed inside the two open grooves, the threaded plate is screwed to the outer wall of the threaded rod, the positioning plate is plugged into the movable plate, and a driving motor is fixed on the top of the support frame, and the output end of the driving motor is connected to the threaded rod.

[0010] Preferably, the receiving assembly includes a fixed groove opened on one side of the preparation frame, a receiving plate is arranged inside the fixed groove, a plurality of evenly distributed supporting springs are connected between the receiving plate and the fixed groove, and a plurality of evenly distributed interference plates are fixed to the outer wall of the receiving plate, a interference groove for inserting the interference plate is opened on the top of the preparation frame, a plurality of linkage plates are fixed on the bottom of the receiving plate, a moving block is installed on one side of the plurality of linkage plates, a plurality of moving grooves for moving blocks to move are opened inside the preparation frame, a plurality of fixing rods plugged into the moving blocks are installed inside the plurality of moving grooves, and the receiving plate corresponds to the bottom of the suction cup.

[0011] Preferably, the smelting mechanism includes a smelting box fixed to one side of the preparation frame, two smelting wires and a stirring roller are arranged inside the smelting box, and a protective seat is fixed to one side of the smelting box, a battery for powering the two smelting wires is installed inside the protective seat, a servo motor is fixed to one side of the smelting box, the output end of the servo motor is connected to the stirring roller, a support seat is connected between the smelting box and the base, and a diversion component for diverting the smelted molten metal is arranged between the smelting box and the preparation frame.

[0012] Preferably, the guide assembly includes a guide plate fixed inside the smelting box and a collecting box fixed at the bottom of the smelting box, inclined plates corresponding to the collecting box are fixed on both sides of the guide plate, a guide shell corresponding to the two inclined plates is fixed on the top of the collecting box, and two connecting tubes are connected to one side of the interior of the collecting box, and the two connecting tubes extend to the interior of the preparation frame and correspond to the mold seat.

[0013] Preferably, the feeding mechanism includes a feeding box fixed to one side of the top of the smelting box, the top of the feeding box is connected to a feeding hopper, and a feeding port is commonly provided between the feeding box and the smelting box, an opening and closing plate is hinged inside the feeding port, a rotating shaft is installed at the axis of the opening and closing plate, a torsion spring is installed between the rotating shaft and the feeding port, an electric push rod is fixed to one side of the feeding box, the telescopic end of the electric push rod extends to the interior of the feeding box and is connected to a scraper, the scraper corresponds to the opening and closing plate, a reinforcement seat is fixed between the feeding box and the smelting box, and blocks corresponding to the opening and closing plates are fixed on both sides of the inside of the feeding box.

[0014] Another aspect of the present invention discloses a method for preparing a large-size nanocrystalline magnetic sheet, comprising the following steps: S1, adding the raw materials for preparing nanocrystalline magnetic sheets into the feed box through the feed hopper, so that the raw materials are gathered inside the feed box; S2. The electric push rod drives the scraper to scrape the bottom of the feed box. The scraping of the raw material causes it to come into conflict with the opening and closing plate. The bottom of the opening and closing plate drives the torsion spring to twist, thereby opening the opening and closing plate; S3, by opening the opening and closing plate, the raw materials enter the smelting box, and the smelting wire is powered by the battery so that the raw materials can be smelted; S4, the stirring roller is driven to rotate by the servo motor, and the raw materials inside the smelting box can be evenly smelted through the rotation of the stirring roller, and the solution can enter the collection box through the cooperation between the guide plate and the inclined plate; S5, draining the solution inside the collection box into the mold base through two connecting tubes, and shaping it through the mold base; S6, removing the top of the mold seat through the positioning assembly, and moving the mold seat to the bottom of the suction cup through the cooperation between the slide bar and the slide groove, and adsorbing the shaped wafer through the blower; S7. The finished product after adsorption is received by a receiving component, so as to facilitate the user to take it out and avoid the situation where the finished product wafer is damaged when taking out the material in a narrow space.

[0015] The beneficial effects of the present invention are: 1. The present invention can realize the rapid removal of finished wafers through the setting of the control mechanism, improve the production efficiency of the device, avoid the risk of wafer damage caused by frequent manual removal and placement of wafers, thereby reducing production costs, and at the same time solve the problem that long-term retention in the existing device may cause the wafer to be affected by unnecessary heat or other environmental factors, thereby damaging its microstructure and magnetic properties. Through the setting of the positioning component, the mold seat can be positioned during the working process, which can ensure that the mold is in the same position in each production, thereby ensuring the uniformity and consistency of the product, reducing quality fluctuations caused by position deviations, and further reducing production costs due to the reduction of scrap rate caused by inaccurate position and the reduction of time and effort for manual adjustment.

[0016] 2. The setting of the smelting mechanism of the present invention can receive and screen the raw materials so that they can be melted evenly, avoid local overheating or insufficient melting, reduce the generation of harmful substances such as smoke and splashes, protect the health and safety of operators, and avoid segregation or impurity accumulation, further improve the microstructural uniformity and magnetic properties of the nanocrystalline magnetic sheet, and through the mutual cooperation of the guide plate and the inclined plate, the melted liquid can accurately fall into the collection box, thereby reducing waste, improving raw material utilization, and reducing production costs.

[0017] 3. The present invention can collect raw materials in a feed box and add them to a smelting box at a uniform speed through the setting of a feed mechanism. The centralized collection of raw materials in the feed box can ensure uniform mixing and pretreatment of the raw materials, reduce uneven composition and the generation of impurities, and add raw materials at a uniform speed to ensure the stability and continuity of the smelting process, avoid temperature and composition fluctuations in the smelting box, thereby improving the smelting quality and consistency. At the same time, it can reduce the intervention of operators, improve the level of production automation, reduce labor intensity and human errors, and further improve production efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the present invention as a whole; Figure 3 is a partial cross-sectional view of the preparation rack of the present invention; Figure 4 The present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 It is a structural schematic diagram of the positioning assembly of the present invention; Figure 6 It is a structural schematic diagram of the receiving assembly of the present invention; Figure 7 It is a structural schematic diagram of the drive assembly of the present invention; Figure 8 is a cross-sectional view of a smelting box of the present invention; Fig. 9 It is a structural schematic diagram of the smelting mechanism of the present invention; Fig.10 It is a structural schematic diagram of the feeding mechanism of the present invention.

[0019] In the figure: 1. base; 2. control mechanism; 3. melting mechanism; 4. feeding mechanism; 5. preparation frame; 6. mold base; 21. Support frame; 22. Blower; 23. Mounting frame; 24. Bolt; 25. Suction cup; 26. Receiver plate; 27. Moving plate; 28. Return spring; 29. ​​Linkage rod; 210. Insert plate; 211. Press plate; 212. Slide bar; 213. Contact plate; 214. Fixed rod; 215. Moving block; 216. Support spring; 217. Threaded rod; 218. Threaded plate; 219. Moving plate; 220. Driving motor; 31. Melting box; 32. Support seat; 33. Connecting pipe; 34. Protective seat; 35. Melting wire; 36. Stirring roller; 37. Servo motor; 38. Collecting box; 39. Guide shell; 310. Battery; 41. Feed box; 42. Reinforcement seat; 43. Feed hopper; 44. Opening and closing plate; 45. Torsion spring; 46. Stopper; 47. Electric push rod; 48. Scraper. DETAILED DESCRIPTION

[0020] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the present specification. Various examples may omit, replace, or add various processes or components as needed. In addition, the features described in some examples may also be combined in other examples.

[0021] Please refer to Figure 1 and Figure 2 This embodiment discloses a preparation device for a large-size nanocrystalline magnetic sheet, including: a base 1, a preparation frame 5 is installed on one side of the top of the base 1, and a mold seat 6 is arranged on the top of the preparation frame 5.

[0022] Please refer to Figure 2 - Figure 7, control mechanism 2, control mechanism 2 is located inside the preparation frame 5 and is used to control the mold seat 6, control mechanism 2 includes a positioning component, a material taking component and a receiving component, the positioning component is located between the preparation frame 5 and the mold seat 6 and is used to position the mold seat 6, the material taking component is located at the top of the preparation frame 5 and is used to take out the finished product inside the mold seat 6, the receiving component is located inside one side of the preparation frame 5 and is used to receive the finished product after taking out, the positioning component includes a plug plate 210 fixed to one side of the mold seat 6, the plug plate 210 is plugged with the preparation frame 5, and a plug-in component for plugging the plug plate 210 is provided between the plug plate 210 and the mold seat 6, and the plug-in component includes an empty slot opened on one side of the preparation frame 5 A movable plate 27 is arranged inside the empty slot, linkage rods 29 are fixed on both sides of the movable plate 27, the two linkage rods 29 extend to the top of the preparation frame 5 and are fixed with a pressing plate 211 together, a return spring 28 is connected between the movable plate 27 and the empty slot, and a latch plate is fixed on the top of the movable plate 27, the latch plate is plugged with the bottom of the latch plate 210, the material taking component includes a support frame 21 installed on one side of the top of the preparation frame 5, a blower 22 is fixed on the top of the support frame 21, a hose is connected to the air inlet end of the blower 22, a suction cup 25 connected to the hose is arranged inside the support frame 21, the suction cup 25 corresponds to the mold seat 6, and a driving group for driving the suction cup 25 to move up and down is arranged between the suction cup 25 and the support frame 21 The outer wall of the support frame 21 is fixed with a plurality of mounting frames 23, and bolts 24 are screwed between the plurality of mounting frames 23 and the preparation frame 5, and slide bars 212 are fixed on both sides of the mold base 6, and both sides of the interior of the preparation frame 5 are provided with slide grooves for the slide bars 212 to slide, and the driving component includes a threaded plate 218 and a movable plate 219 fixed on both sides of the suction cup 25, and both sides of the interior of the support frame 21 are provided with open grooves for the threaded plate 218 and the movable plate 219 to slide, and threaded rods 217 and positioning plates are respectively installed in the two open grooves, and the threaded plate 218 is screwed on the outer wall of the threaded rod 217, and the positioning plate is plugged with the movable plate 219, and a driving motor 220 is fixed on the top of the support frame 21, and the output of the driving motor 220 The end is connected to the threaded rod 217, the receiving assembly includes a fixed groove opened on one side of the preparation frame 5, a receiving plate 26 is arranged inside the fixed groove, a plurality of evenly distributed supporting springs 216 are connected between the receiving plate 26 and the fixed groove, and a plurality of evenly distributed abutment plates 213 are fixed to the outer wall of the receiving plate 26, abutment groove for inserting the abutment plate 213 is opened on the top of the preparation frame 5, a plurality of linkage plates are fixed on the bottom of the receiving plate 26, a moving block 215 is installed on one side of the plurality of linkage plates, a plurality of moving grooves for moving the moving block 215 are opened inside the preparation frame 5, a plurality of fixing rods 214 plugged with the moving block 215 are installed inside the plurality of moving grooves, and the receiving plate 26 corresponds to the bottom of the suction cup 25; The pressing plate 211 is pressed to drive the two linkage rods 29 to move downward, and the downward movement of the two linkage rods 29 drives the return spring 28 to contract, and the contraction of the return spring 28 drives the moving plate 27 to move downward synchronously, and the downward movement of the moving plate 27 drives the latch plate to move downward, and the moving mold seat 6 drives the plug plate 210 to move through the cooperation between the slide bar 212 and the slide groove, and the plug plate 210 is moved to be plugged into the preparation rack 5, and then the pressing plate 211 is released, and the elastic force of the return spring 28 drives the moving plate 27 to reset, and the reset of the moving plate 27 drives the latch plate to reset synchronously, and the latch plate is reset to be plugged into the plug plate 210, and the plugging of the plug plate 210 makes the mold seat 6 more stable during operation; When it is necessary to take out the finished wafer inside the mold seat 6, the mold seat 6 is moved to correspond to the suction cup 25, and the suction cup 25 is sucked by the inside of the hose through the blower 22, and the threaded rod 217 is driven to rotate by the driving motor 220, and the threaded plate 218 is driven to move on its outer wall through the rotation of the threaded rod 217, and the suction cup 25 is driven to move synchronously through the movement of the threaded plate 218, and the suction cup 25 is moved close to the mold seat 6 through the movement of the suction cup 25, and the finished wafer inside the mold seat 6 can be effectively adsorbed by the setting of the blower 22; After the adsorption is completed, the mold seat 6 is reset, and the receiving plate 26 is supported by the support spring 216 to make it fit with the finished chip. The blower 22 cancels the adsorption of the suction cup 25 and the chip, so that the chip can fall on the receiving plate 26, so as to facilitate the user to take out the finished chip.

[0023] Please refer to Figure 2 , Figure 8 and Fig. 9The smelting mechanism 3 includes a smelting box 31 fixed to one side of the preparation frame 5, two smelting wires 35 and a stirring roller 36 are arranged inside the smelting box 31, and a protective seat 34 is fixed to one side of the smelting box 31, and a battery 310 for powering the two smelting wires 35 is installed inside the protective seat 34. A servo motor 37 is fixed to one side of the smelting box 31, and the output end of the servo motor 37 is connected to the stirring roller 36. A support seat 32 is connected between the smelting box 31 and the base 1, and the smelting box 31 is connected to the preparation frame 5. A flow guide assembly for guiding the molten metal after smelting is arranged between the preparation racks 5. The flow guide assembly includes a flow guide plate fixed inside the smelting box 31 and a collection box 38 fixed at the bottom inside the smelting box 31. Inclined plates corresponding to the collection box 38 are fixed on both sides of the flow guide plate. A flow guide shell 39 corresponding to the two inclined plates is fixed on the top of the collection box 38. Two connecting pipes 33 are connected to one side of the collection box 38. The two connecting pipes 33 extend to the inside of the preparation rack 5 and correspond to the mold seat 6. The two connecting pipes 33 are inclined, so that the liquid material in the collection box 38 can be guided; The stirring roller 36 is driven to rotate by the servo motor 37. The rotation of the stirring roller 36 allows the raw materials inside the smelting box 31 to be diffused to avoid aggregation. The two smelting wires 35 are powered by the battery 310 to melt the raw materials. The guide plate and the inclined plate cooperate with each other to allow the smelted liquid material to enter the collecting box 38 and then be guided to the mold base 6 through the two connecting pipes 33.

[0024] Please also refer to Figure 2 and Fig.10 The feeding mechanism 4 includes a feeding box 41 fixed to one side of the top of the smelting box 31, a feeding hopper 43 is connected to the top of the feeding box 41, and a feeding port is provided between the feeding box 41 and the smelting box 31, an opening and closing plate 44 is hinged inside the feeding port, a rotating shaft is installed at the axis of the opening and closing plate 44, a torsion spring 45 is installed between the rotating shaft and the feeding port, an electric push rod 47 is fixed to one side of the feeding box 41, and the telescopic end of the electric push rod 47 extends to the inside of the feeding box 41 and is connected to a scraper 48, and the scraper 48 corresponds to the opening and closing plate 44, a reinforcement seat 42 is fixed between the feeding box 41 and the smelting box 31, and stoppers 46 corresponding to the opening and closing plates 44 are fixed on both sides of the inside of the feeding box 41; The raw materials are added into the feed box 41 through the feed hopper 43 so that the raw materials gather inside the feed box 41. The scraper 48 is driven by the electric push rod 47 to scrape the bottom of the feed box 41. The scraping of the raw materials causes them to come into contact with the opening and closing plate 44. The bottom of the opening and closing plate 44 drives the torsion spring 45 to twist, thereby opening the opening and closing plate 44. When the scraper 48 is reset, the torsion force of the torsion spring 45 drives the opening and closing plate 44 to reset. The setting of the block 46 ensures that the opening and closing plate 44 can be effectively resisted during the reset, thereby avoiding the situation where too much reset affects the opening and closing again.

[0025] A method for preparing a large-size nanocrystalline magnetic sheet comprises the following steps: S1, adding the raw materials to be used for preparing nanocrystalline magnetic sheets into the feed box 41 through the feed hopper 43, so that the raw materials are gathered inside the feed box; S2. The electric push rod 47 drives the scraper 48 to scrape the bottom of the feed box 41. The scraping of the raw material causes it to come into conflict with the opening and closing plate 44. The bottom of the opening and closing plate 44 drives the torsion spring 45 to twist, thereby opening the opening and closing plate 44. S3, the opening and closing plate 44 is opened to allow the raw materials to enter the smelting box 31, and the smelting wire 35 is powered by the battery 310 so that the raw materials can be smelted; S4, the stirring roller 36 is driven to rotate by the servo motor 37, and the raw materials in the smelting box 31 can be evenly smelted by the rotation of the stirring roller 36, and the solution can enter the collecting box 38 by the cooperation between the guide plate and the inclined plate; S5, draining the solution in the collecting box 38 into the mold base 6 through the two connecting pipes 33, and shaping it through the mold base 6; S6, the top of the mold base 6 is removed by the positioning assembly, and the mold base 6 can be moved to the bottom of the suction cup 25 by the cooperation between the slide bar 212 and the slide groove, and the shaped wafer is adsorbed by the blower 22; S7. The finished product after adsorption is received by a receiving component, so as to facilitate the user to take it out and avoid the situation where the finished product wafer is damaged when taking out the material in a narrow space.

[0026] The above describes an embodiment of the present invention, but this embodiment is not limited to the above specific implementation methods. The above specific implementation methods are merely illustrative and not restrictive. Under the guidance of this embodiment, ordinary technicians in this field can also make many forms, all of which are protected by this embodiment.

Claims

1. A device for preparing nanocrystalline magnetic sheets, characterized in that: include: A base (1), a preparation frame (5) being installed on one side of the top of the base (1), and a mold seat (6) being arranged on the top of the preparation frame (5); A smelting mechanism (3), the smelting mechanism (3) being located on the top of the base (1) and being used to smelt the raw material; A feeding mechanism (4), the feeding mechanism (4) being located on one side of the smelting mechanism (3) and being used to add raw materials into the interior of the smelting mechanism (3); A control mechanism (2), the control mechanism (2) being located inside the preparation frame (5) and being used to control the mold seat (6), the control mechanism (2) comprising a positioning component, a material taking component and a receiving component, the positioning component being located between the preparation frame (5) and the mold seat (6) and being used to position the mold seat (6), the material taking component being located at the top of the preparation frame (5) and being used to take out the finished product inside the mold seat (6), and the receiving component being located inside one side of the preparation frame (5) and being used to receive the taken out finished product.

2. The device for preparing a nanocrystalline magnetic sheet according to claim 1, characterized in that: The positioning assembly comprises an insert plate (210) fixed to one side of the mold base (6), the insert plate (210) being plugged into the preparation frame (5), and a plug-in assembly for plugging the insert plate (210) is provided between the insert plate (210) and the mold base (6).

3. The device for preparing a nanocrystalline magnetic sheet according to claim 2, characterized in that: The plug-in assembly comprises an empty slot opened on one side of the preparation rack (5), a movable plate (27) is arranged inside the empty slot, linkage rods (29) are fixed on both sides of the movable plate (27), two linkage rods (29) extend to the top of the preparation rack (5) and are jointly fixed with a pressing plate (211), a return spring (28) is connected between the movable plate (27) and the empty slot, and a latch plate is fixed on the top of the movable plate (27), and the latch plate is plugged into the bottom of the latch plate (210).

4. The device for preparing a nanocrystalline magnetic sheet according to claim 1, characterized in that: The material taking component comprises a support frame (21) installed on one side of the top of the preparation frame (5), a blower (22) is fixed on the top of the support frame (21), an air inlet end of the blower (22) is connected to a hose, a suction cup (25) connected to the hose is arranged inside the support frame (21), the suction cup (25) corresponds to the mold seat (6), and a driving component for driving the suction cup (25) to move up and down is arranged between the suction cup (25) and the support frame (21); A plurality of mounting frames (23) are fixed to the outer wall of the support frame (21), bolts (24) are screwed between the plurality of mounting frames (23) and the preparation frame (5), sliding bars (212) are fixed to both sides of the mold base (6), and sliding grooves for the sliding bars (212) to slide are provided on both sides of the interior of the preparation frame (5).

5. The device for preparing a nanocrystalline magnetic sheet according to claim 4, characterized in that: The driving assembly comprises a threaded plate (218) and a movable plate (219) fixed on both sides of the suction cup (25); both sides of the support frame (21) are provided with open grooves for the threaded plate (218) and the movable plate (219) to slide; a threaded rod (217) and a positioning plate are respectively installed inside the two open grooves; the threaded plate (218) is screwed to the outer wall of the threaded rod (217); the positioning plate is plugged into the movable plate (219); a driving motor (220) is fixed to the top of the support frame (21); and the output end of the driving motor (220) is connected to the threaded rod (217).

6. The device for preparing a nanocrystalline magnetic sheet according to claim 4, characterized in that: The receiving assembly comprises a fixed groove formed on one side of the preparation frame (5), a receiving plate (26) is arranged inside the fixed groove, a plurality of evenly distributed supporting springs (216) are connected between the receiving plate (26) and the fixed groove, and a plurality of evenly distributed abutment plates (213) are fixed to the outer wall of the receiving plate (26), abutment groove for inserting the abutment plate (213) is formed on the top of the preparation frame (5), a plurality of linkage plates are fixed on the bottom of the receiving plate (26), a moving block (215) is installed on one side of each of the plurality of linkage plates, a plurality of moving grooves for moving the moving blocks (215) are formed inside the preparation frame (5), a fixing rod (214) plugged into the moving blocks (215) is installed inside each of the plurality of moving grooves, and the receiving plate (26) corresponds to the bottom of the suction cup (25).

7. The device for preparing a nanocrystalline magnetic sheet according to claim 1, characterized in that: The smelting mechanism (3) comprises a smelting box (31) fixed to one side of a preparation frame (5), two smelting wires (35) and a stirring roller (36) are arranged inside the smelting box (31), a protective seat (34) is fixed to one side of the smelting box (31), a storage battery (310) for supplying power to the two smelting wires (35) is installed inside the protective seat (34), a servo motor (37) is fixed to one side of the smelting box (31), an output end of the servo motor (37) is connected to the stirring roller (36), a support seat (32) is connected between the smelting box (31) and the base (1), and a guide component for guiding smelted molten metal is arranged between the smelting box (31) and the preparation frame (5).

8. The device for preparing a nanocrystalline magnetic sheet according to claim 7, characterized in that: The guide assembly comprises a guide plate fixed inside the smelting box (31) and a collecting box (38) fixed at the bottom inside the smelting box (31), inclined plates corresponding to the collecting box (38) are fixed on both sides of the guide plate, a guide shell (39) corresponding to the two inclined plates is fixed on the top of the collecting box (38), and one side inside the collecting box (38) is connected to two connecting pipes (33), and the two connecting pipes (33) extend to the inside of the preparation frame (5) and correspond to the mold base (6).

9. The device for preparing a nanocrystalline magnetic sheet according to claim 7, characterized in that: The feeding mechanism (4) comprises a feeding box (41) fixed to one side of the top of the smelting box (31), a feeding hopper (43) is connected to the top of the feeding box (41), and a feeding port is provided between the feeding box (41) and the smelting box (31), an opening and closing plate (44) is hingedly connected inside the feeding port, a rotating shaft is installed at the axis of the opening and closing plate (44), a torsion spring (45) is installed between the rotating shaft and the feeding port, an electric push rod (47) is fixed to one side of the feeding box (41), a telescopic end of the electric push rod (47) extends to the inside of the feeding box (41) and is connected to a scraper (48), and the scraper (48) corresponds to the opening and closing plate (44), a reinforcement seat (42) is fixed between the feeding box (41) and the smelting box (31), and stoppers (46) corresponding to the opening and closing plates (44) are fixed on both sides of the inside of the feeding box (41).

10. A method for preparing a nanocrystalline magnetic sheet, comprising the preparation device according to claims 1-9, characterized in that: The following steps are involved: S1, adding raw materials into the feed box (41) through the feed hopper (43), so that the raw materials are gathered inside the feed box; S2, starting the electric push rod (47) to drive the scraper (48) to scrape the bottom of the feed box (41), pushing the opening and closing plate (44) to rotate, twisting the torsion spring (45), at this time, the opening and closing plate (44) is in an open state; S3, the raw materials enter the smelting box (31) through the opening and closing plate (44), and the smelting wire (35) is started to melt the raw materials; S4, the stirring roller (36) rotates to uniformly melt the raw materials in the smelting box (31), and the solution can enter the collecting box (38) through the cooperation between the guide plate and the inclined plate; S5, draining the solution in the collecting box (38) into the mold base (6) through the two connecting pipes (33), and then shaping it through the mold base (6); S6, by means of the cooperation between the slide bar (212) and the slide groove, the mold base (6) can be moved to the bottom of the suction cup (25), and the shaped wafer is adsorbed by the blower (22); S7. The finished product after adsorption is received by a receiving component.

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