Magnet manufacturing equipment
Through the integrated design of magnet manufacturing equipment, automated operations from molding to sintering are realized, solving the problems of high manual intervention and long production cycles, and improving production efficiency and sintering quality.
Patent Information
- Application Number
- CN202510533340.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-26
- Publication Date
- 2025-08-08
AI Technical Summary
The existing magnet manufacturing process has a high degree of manual intervention and a long production cycle, and the processing methods of the workshop are not closely connected.
Design an integrated magnet manufacturing equipment, including raw material supply structure, molded structure, sintered structure and blank transportation structure, to achieve automated operation, use stirring components to ensure uniform mixing of raw materials, and use layered temperature-controlled sintering furnaces and vibration components to avoid uneven sintering.
It reduces manual intervention, shortens production cycle, improves production efficiency, improves the problem of intimate process connection, and ensures sintering quality.
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Figure CN120453030A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of magnet manufacturing, and in particular to a magnet manufacturing device. Background Art
[0002] As an important part of modern industry, magnet manufacturing equipment plays an irreplaceable role in many fields such as electronics, automobiles, and medical care. With the continuous growth of society's demand for high-performance magnetic materials, the technological development of magnet manufacturing equipment has also received increasing attention.
[0003] In order to meet the market demand for efficient production, technological innovations continue to emerge in the industry, especially in raw material processing, molding technology and sintering technology. These technological advances not only improve the production efficiency of magnet manufacturing, but also provide a strong guarantee for the improvement of product quality.
[0004] In actual applications, in order to achieve functions such as raw material mixing, molding and sintering in the magnet manufacturing process, the industry usually adopts multiple means to operate. An independent stirring device is used to complete the uniform mixing of raw materials; a press equipment is used to achieve precise molding of the green body; and a special sintering furnace is used to complete the densification of the green body. Each process is located in a different workshop and the connection between each process mainly relies on manual transportation. Manual transportation is prone to introduce impurities, which will also lead to an extension of the production cycle and low production efficiency. Summary of the Invention
[0005] In order to reduce the degree of manual intervention in the magnet manufacturing process, shorten the production cycle and improve production efficiency, the present application provides a magnet manufacturing device.
[0006] The present application provides a magnet manufacturing equipment, which adopts the following technical solution: it includes a frame, on which a raw material supply structure, a molding structure, a sintering structure and a green body transport structure are provided. The raw material supply structure is used to stir the raw material mixture evenly, the molding structure is used to press the raw material mixture into shape, and the sintering structure is used to form the pressed green body into a dense structure; the green body transport structure is used to transport the pressed green body to the sintering structure.
[0007] By adopting the above technical solution and the integrated design of magnet manufacturing equipment, automated operations from molding to sintering are achieved, reducing the degree of manual intervention in the magnet manufacturing process, shortening the production cycle, significantly improving production efficiency, and improving the problem of loose process connection in the separate workshop processing method.
[0008] Preferably, the raw material supply structure includes a raw material supply cylinder and two feed pipes arranged on the top of the raw material supply cylinder, the feed pipes are arranged axially along the raw material supply cylinder and the feed pipes and the raw material supply cylinder are communicated, and a stirring assembly is provided in the raw material supply structure, and the stirring assembly is used to stir the raw material mixture in the raw material supply cylinder.
[0009] By adopting the above technical solution, the stirring component in the raw material supply structure can fully stir the raw material mixture to ensure uniform mixing.
[0010] Preferably, the stirring assembly includes a stirring motor, a stirring main rod and a stirring sub-rod, the stirring motor is arranged at the bottom of the raw material supply cylinder, the stirring main rod is inserted into the raw material supply cylinder along the axial direction of the raw material supply cylinder, the central axis of the stirring main rod coincides with the central axis of the raw material supply cylinder, one end of the stirring main rod passes through the bottom of the raw material supply cylinder and is coaxially connected to the output shaft of the stirring motor, the stirring sub-rod is connected to the stirring sub-rod and the angle between the stirring sub-rod and the stirring main rod is adjustable.
[0011] By adopting the above technical solution, the raw material mixture in the raw material supply cylinder is stirred evenly through the setting of the stirring assembly, and the angle between the first stirring auxiliary rod and the stirring main rod is adjustable to adapt to the stirring requirements of different raw material mixtures. When the particles of the raw material mixture are large or the stirring amount of the raw material mixture is large, the angle between the first stirring auxiliary rod and the stirring main rod can be increased to increase the stirring force; when the particles of the raw material mixture are small or the stirring amount of the raw material mixture is small, the angle between the first stirring auxiliary rod and the stirring main rod can be reduced to avoid excessive stirring.
[0012] Preferably, the stirring sub-rod includes a first stirring sub-rod and a second stirring sub-rod, one end of the first stirring sub-rod is rotationally connected to the bottom of the stirring main rod, the other end of the first stirring sub-rod is rotationally connected to the second stirring sub-rod, the end of the second stirring sub-rod away from the first stirring sub-rod is rotationally connected to the stirring main rod, and the end of the second stirring sub-rod away from the first stirring sub-rod is positionably reciprocatingly slidably connected to the stirring main rod along the axial direction of the stirring main rod.
[0013] By adopting the above technical solution, the coverage range of the stirring assembly can be flexibly adjusted according to the capacity or particle size of the raw material mixture in the raw material supply barrel to meet the stirring requirements of different raw material mixtures. When the particles of the raw material mixture are large or the stirring amount of the raw material mixture is large, the second stirring sub-rod can be slid to a position close to the top of the stirring main rod to reduce the stirring working area; when the particles of the raw material mixture are small or the stirring amount of the raw material mixture is small, the second stirring sub-rod can be slid to a position close to the bottom of the stirring main rod to expand the stirring working area.
[0014] Preferably, the molding structure includes an upper mold, a lower mold and an upper mold driving member, the upper mold is located directly above the lower mold, and the upper mold driving member is used to drive the upper mold to slide back and forth in the vertical direction toward or away from the lower mold. When the upper mold is close to the lower mold, a molding cavity is formed between the upper mold and the lower mold.
[0015] By adopting the above technical solution, the upper mold driving member drives the upper mold to approach the lower mold to complete the mold closing action, thereby achieving high-pressure pressing of the raw material mixture.
[0016] Preferably, the sintering structure includes a sintering furnace, and a feed opening is provided on the top of the sintering furnace for the green body transport structure to transport the pressed green body into the sintering furnace. A furnace door is provided on the top of the sintering furnace, and the furnace door can be opened and closed and is used to seal the feed opening.
[0017] By adopting the above technical solution, the furnace door can be opened and closed and is used to seal the feed opening, which can effectively prevent outside air from entering the sintering furnace and avoid contamination of the green body during the sintering process.
[0018] Preferably, the sintering furnace is provided with multiple layers of sintering areas, which are parallel to each other and arranged in sequence along the depth direction of the sintering furnace. The multiple layers of sintering areas adopt layered temperature control and the temperature of the multiple layers of sintering areas increases sequentially from top to bottom along the depth direction of the sintering furnace.
[0019] By adopting the above technical solution, this layered temperature control design can ensure that the sintering temperature requirements of the pressed body at different stages are met, thereby improving the sintering quality. The temperature of the uppermost sintering area can be set to a lower value for preliminary sintering; the temperature of the lowermost sintering area can be set to a higher value for final sintering.
[0020] Preferably, a plurality of groups of vibration components are provided on the outer wall of the sintering furnace, and the plurality of groups of vibration components correspond one-to-one to the multiple layers of sintering areas. The plurality of groups of vibration components are arranged on the outer wall of the sintering furnace at intervals along the depth direction of the sintering furnace, and each group of vibration components is used to make the pressed green body evenly distributed in the sintering area corresponding to each group of vibration components.
[0021] By adopting the above technical solution, the vibration design can effectively avoid the problem of uneven sintering caused by uneven stacking of the pressed green body during the sintering process.
[0022] Preferably, the vibration assembly includes a vibration box arranged on the furnace wall on one side of the sintering furnace, a vibration motor arranged in the vibration box and a vibration wheel arranged in the vibration box, the vibration wheel and the output shaft of the vibration motor are eccentrically connected, and the vibration motor is used to drive the vibration wheel to swing back and forth.
[0023] By adopting the above technical solution, the vibration motor drives the vibration wheel to rotate. Since the vibration wheel and the output shaft of the vibration motor are eccentrically connected, the vibration wheel repeatedly hits the inner wall of the vibration box during the process of the vibration motor driving the vibration wheel to swing back and forth. The vibration box transmits the vibration to the sintering furnace to achieve resonance, thereby effectively avoiding the problem of uneven sintering caused by uneven stacking of the pressed green body during the sintering process.
[0024] Preferably, a dovetail adjustment block is connected to the output shaft of the vibration motor, and a dovetail adjustment groove is provided on the end surface of the vibration wheel close to the vibration motor along the axial direction of the vibration wheel, and the length direction of the dovetail adjustment groove is opened along the radial direction of the vibration wheel. The dovetail adjustment block is slidably embedded in the dovetail adjustment groove, and the dovetail adjustment block slides back and forth along the length direction of the dovetail adjustment groove.
[0025] By adopting the above technical solution, since centrifugal force is generated during the rotation of the vibration wheel, there is a possibility that the connection between the vibration motor and the vibration wheel will be disconnected. The dovetail adjustment block slides in the dovetail adjustment groove, reducing the probability of the connection between the vibration motor and the vibration wheel being disconnected, and the vibration amplitude of the vibration box can be changed according to changes in working conditions. When the vibration amplitude of the vibration box needs to be changed, it is only necessary to slide the dovetail adjustment block along the length direction of the dovetail adjustment groove to complete the adjustment of the eccentricity of the vibration wheel and the vibration amplitude of the vibration box.
[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The integrated design of magnet manufacturing equipment realizes automated operations from molding to sintering, reduces the degree of manual intervention in the magnet manufacturing process, shortens the production cycle, significantly improves production efficiency, and improves the problem of loose process connection in the separate workshop processing method; 2. The stirring assembly is used to evenly stir the raw material mixture in the raw material supply cylinder. The angle between the first auxiliary stirring rod and the main stirring rod is adjustable to meet the stirring requirements of different raw material mixtures. 3. The vibration motor drives the vibration wheel to rotate. Since the vibration wheel and the output shaft of the vibration motor are eccentrically connected, the vibration motor drives the vibration wheel to swing back and forth. The vibration wheel repeatedly hits the inner wall of the vibration box. The vibration box transmits the vibration to the sintering furnace to achieve resonance, thereby effectively avoiding the uneven sintering problem caused by uneven stacking of the pressed green body during the sintering process. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the overall structure of this application; Figure 2 It is a cross-sectional schematic diagram of a part of the structure of the present application; Figure 3It is a cross-sectional schematic diagram of a part of the structure of the present application; Figure 4 It is an exploded schematic diagram of a part of the structure of the present application; Figure 5 It is a cross-sectional schematic diagram of a part of the structure of this application.
[0028] Explanation of reference numerals: 110, frame; 111, workbench; 112, upper beam; 113, upper column; 114, lower column; 120, raw material supply structure; 121, raw material supply cylinder; 1211, cylinder body; 1212, cylinder cover; 122, feed pipe; 123, handle; 130, stirring assembly; 131, stirring motor; 132, stirring main rod; 133, stirring auxiliary rod; 1331, first stirring auxiliary rod; 1332, second stirring auxiliary rod; 140, molding structure; 141, upper mold; 142, lower mold; 143, upper mold driving member; 1 44. Molding cavity; 150. Blank transport structure; 151. Rotating robot arm; 152. Receiving tray; 160. Sintering furnace; 161. Feed opening; 162. Furnace door; 163. Screw motor assembly; 1631. Screw motor; 1632. Driving screw; 164. Sintering area; 165. Opening and closing door; 166. Rotating motor; 170. Vibration assembly; 171. Vibration box; 172. Vibration motor; 173. Vibration wheel; 174. Dovetail adjustment block; 175. Dovetail adjustment slot; 176. Positioning mounting hole; 177. Mounting bolt. DETAILED DESCRIPTION
[0029] The present application is further described in detail below with reference to the accompanying drawings.
[0030] refer to Figure 1-Figure 5 A magnet manufacturing equipment includes a frame 110, on which are provided a raw material supply structure 120, a molding structure 140, a sintering structure and a green body transporting structure 150, wherein the raw material supply structure 120 is used to stir the raw material mixture evenly, the molding structure 140 is used to press the raw material mixture into shape, and the sintering structure is used to form the pressed green body into a dense structure; the green body transporting structure 150 is used to transport the pressed green body to the sintering structure, realizing the integrated operation of raw material supply, molding and sintering, reducing the degree of manual intervention in the magnet manufacturing process, shortening the production cycle, significantly improving the production efficiency, and improving the problem of loose process connection in the workshop processing method.
[0031] First, the raw material supply structure 120 includes a raw material supply cylinder 121 and two feed pipes 122 arranged at the top of the raw material supply cylinder 121. The feed pipes 122 are arranged axially along the raw material supply cylinder 121 and the feed pipes 122 and the raw material supply cylinder 121 are communicated with each other. In this embodiment, the raw material supply cylinder 121 includes a cylinder body 1211 and a cylinder cover 1212. The cylinder body 1211 and the cylinder cover 1212 are threadedly connected. Two handles 123 are symmetrically arranged on the cylinder cover 1212. The handles 123 are arranged radially along the cylinder cover 1212 to facilitate the disassembly and assembly of the cylinder cover 1212.
[0032] The raw material supply structure 120 is provided with a stirring assembly 130, and the stirring assembly 130 is used to stir the raw material mixture in the raw material supply cylinder 121. The stirring assembly 130 includes a stirring motor 131, a stirring main rod 132 and a stirring auxiliary rod 133. The stirring motor 131 is arranged at the bottom of the raw material supply cylinder 121, and the stirring main rod 132 is inserted into the raw material supply cylinder 121 along the axial direction of the raw material supply cylinder 121. The central axis of the stirring main rod 132 coincides with the central axis of the raw material supply cylinder 121. One end of the stirring main rod 132 passes through the bottom of the raw material supply cylinder 121 and is coaxially connected to the output shaft of the stirring motor 131. The stirring auxiliary rod 133 is connected to the stirring auxiliary rod 133. The angle between the stirring auxiliary rod 133 and the stirring main rod 132 is adjustable. The raw material mixture in the raw material supply cylinder 121 is stirred evenly through the setting of the stirring component 130. The angle between the first stirring auxiliary rod 1331 and the stirring main rod 132 is adjustable to meet the stirring requirements of different raw material mixtures. When the particles of the raw material mixture are large or the stirring amount of the raw material mixture is large, the angle between the first stirring auxiliary rod 1331 and the stirring main rod 132 can be increased to increase the stirring force; when the particles of the raw material mixture are small or the stirring amount of the raw material mixture is small, the angle between the first stirring auxiliary rod 1331 and the stirring main rod 132 can be reduced to avoid excessive stirring.
[0033] Specifically, the stirring auxiliary rod 133 includes a first stirring auxiliary rod 1331 and a second stirring auxiliary rod 1332, one end of the first stirring auxiliary rod 1331 is rotatably connected to the bottom of the stirring main rod 132, the other end of the first stirring auxiliary rod 1331 is rotatably connected to the second stirring auxiliary rod 1332, the end of the second stirring auxiliary rod 1332 away from the first stirring auxiliary rod 1331 is rotatably connected to the stirring main rod 132, and the end of the second stirring auxiliary rod 1332 away from the first stirring auxiliary rod 1331 is rotatably connected to the stirring main rod 132 in a reciprocating sliding manner along the axial direction of the stirring main rod 132, so that the stirring The coverage range of the mixing component 130 can be flexibly adjusted according to the capacity or particle size of the raw material mixture in the raw material supply cylinder 121 to meet the stirring requirements of different raw material mixtures. When the particles of the raw material mixture are large or the stirring amount of the raw material mixture is large, the second stirring sub-rod 1332 can be slid to a position close to the top of the stirring main rod 132 to reduce the stirring working area; when the particles of the raw material mixture are small or the stirring amount of the raw material mixture is small, the second stirring sub-rod 1332 can be slid to a position close to the bottom of the stirring main rod 132 to expand the stirring working area.
[0034] Secondly, the molding structure 140 includes an upper mold 141, a lower mold 142 and an upper mold driving member 143. The upper mold 141 is located directly above the lower mold 142. The upper mold driving member 143 is used to drive the upper mold 141 to slide back and forth in the vertical direction close to or away from the lower mold 142. When the upper mold 141 is close to the lower mold 142, a molding cavity 144 is formed between the upper mold 141 and the lower mold 142. In this embodiment, the frame 110 includes a workbench 111, an upper beam 112, four upper columns 113 and four lower columns 114. The upper beam 112 is located directly above the workbench 111, and the four lower columns 114 are distributed in a rectangular shape below the workbench 111 to provide support for the workbench 111. The four upper columns 113 are used to support the workbench 111. 3 is distributed in a rectangular shape between the workbench 111 and the upper beam 112; the upper die driving member 143 includes four upper die driving cylinders, which are vertically connected to the upper beam 112 and are respectively rectangular on the upper beam 112. The piston rods of the upper die driving cylinders are connected to the upper surface of the upper die 141. In addition, the upper die 141 and the lower die 142 can be designed as a detachable structure to facilitate the replacement of molding cavities 144 of different specifications. At the same time, the contact surfaces of the upper die 141 and the lower die 142 are precision-machined to ensure sealing during mold closing and prevent leakage of molding material. The upper die driving member 143 drives the upper die 141 close to the lower die 142 to complete the mold closing action, thereby achieving high-pressure pressing of the raw material mixture.
[0035] In this embodiment, the blank transport structure 150 is a rotating robotic arm 151 and a receiving tray 152 installed on one of the upper columns 113. The rotating robotic arm 151 drives the receiving tray 152 to the bottom of the upper mold 141 to receive the formed blank and then transport it to the sintering structure.
[0036] Furthermore, the sintering structure includes a sintering furnace 160. The top of the sintering furnace 160 is provided with a blank transport structure 150 to transport the pressed blank into the sintering furnace 160. A furnace door 162 is provided on the top of the sintering furnace 160. The furnace door 162 can be opened and closed and is used to seal the feed opening 161, which can effectively prevent outside air from entering the sintering furnace 160 and avoid the blank from being contaminated during the sintering process. In this embodiment, a screw motor assembly 163 is provided on the top wall of the sintering furnace 160. The screw motor assembly 163 It includes a screw motor 1631 and a driving screw 1632. The screw motor 1631 is arranged on one side of the furnace wall of the sintering furnace 160. The driving screw 1632 is horizontally penetrated through the furnace door 162 and one end of the driving screw is coaxially connected to the output shaft of the screw motor 1631, and the driving screw 1632 is away; one end of the screw motor 1631 is axially fixed and circumferentially connected to the inner wall of the feed opening 161. When the screw motor 1631 works, it drives the driving screw 1632 to rotate and then drives the furnace door 162 to slide back and forth to realize the opening and closing of the furnace door 162.
[0037] The sintering furnace 160 is provided with multiple layers of sintering areas 164. The multiple layers of sintering areas 164 are parallel to each other and arranged in sequence along the depth direction of the sintering furnace 160. The multiple layers of sintering areas 164 adopt layered temperature control and the temperature increases in sequence from top to bottom along the depth direction of the sintering furnace 160. This layered temperature control design can ensure that the sintering temperature requirements of the pressed green body at different stages are met, thereby improving the sintering quality. The temperature of the uppermost sintering area 164 can be set to a lower value for preliminary sintering; the temperature of the lowermost sintering area 164 can be set to a lower value for preliminary sintering; The degree can be set to a higher value for final sintering. In this embodiment, each layer of sintering area 164 is separated by a group of opening and closing door 165 components. A group of opening and closing door 165 components includes two opening and closing doors 165. The opposite side walls of the two opening and closing doors 165 of the same group of opening and closing door 165 components are respectively connected to the inner wall of the sintering furnace 160 for rotation. The two opening and closing doors 165 of the same group of opening and closing door 165 components rotate at the same time but in opposite directions and are driven by a rotating motor 166 arranged on the outer wall of the sintering furnace 160.
[0038] Furthermore, multiple groups of vibration components 170 are provided on the outer wall of the sintering furnace 160, and the multiple groups of vibration components 170 correspond one-to-one to the multi-layer sintering areas 164. The multiple groups of vibration components 170 are arranged on the outer wall of the sintering furnace 160 at intervals along the depth direction of the sintering furnace 160. Each group of vibration components 170 is used to make the pressed green body evenly distributed in the sintering area 164 corresponding to each group of vibration components 170. The vibration design can effectively avoid the problem of uneven sintering of the pressed green body caused by uneven stacking during the sintering process.
[0039] Specifically, the vibration assembly 170 includes a vibration box 171 arranged on the furnace wall on one side of the sintering furnace 160, a vibration motor 172 arranged in the vibration box 171 and a vibration wheel 173 arranged in the vibration box 171. The vibration wheel 173 and the output shaft of the vibration motor 172 are eccentrically connected. The vibration motor 172 is used to drive the vibration wheel 173 to swing back and forth. The vibration motor 172 drives the vibration wheel 173 to rotate when it works. Since the vibration wheel 173 and the output shaft of the vibration motor 172 are eccentrically connected, the vibration wheel 173 repeatedly hits the inner wall of the vibration box 171 during the process of the vibration motor 172 driving the vibration wheel 173 to swing back and forth. The vibration box 171 transmits the vibration to the sintering furnace 160 to achieve resonance, thereby effectively avoiding the problem of uneven sintering caused by uneven stacking of the pressed green body during the sintering process.
[0040] A dovetail adjustment block 174 is connected to the output shaft of the vibration motor 172, and a dovetail adjustment groove 175 is provided on the end surface of the vibration wheel 173 close to the vibration motor 172 along the axial direction of the vibration wheel 173. The length direction of the dovetail adjustment groove 175 is opened along the radial direction of the vibration wheel 173, and the dovetail adjustment block 174 is slidably embedded in the dovetail adjustment groove 175. The dovetail adjustment block 174 slides back and forth along the length direction of the dovetail adjustment groove 175. In this embodiment, the length of the dovetail adjustment groove 175 is the radius length of the vibration wheel 173. A plurality of positioning mounting holes 176 are provided on the vibration wheel 173. The plurality of positioning mounting holes 176 are equidistantly spaced along the length direction of the dovetail adjustment groove 175 at the bottom of the dovetail adjustment groove 175. The vibration wheel 173 is provided with a There is a mounting bolt 177, which passes through the positioning mounting hole 176 and is threadedly connected to the dovetail adjustment block 174. Since centrifugal force is generated during the rotation of the vibration wheel 173, there is a possibility that the connection between the vibration motor 172 and the vibration wheel 173 will be disconnected. The dovetail adjustment block 174 slides in the dovetail adjustment groove 175, reducing the probability of the connection between the vibration motor 172 and the vibration wheel 173 being disconnected, and the vibration amplitude of the vibration box 171 can be changed according to changes in working conditions. When the vibration amplitude of the vibration box 171 needs to be changed, it is only necessary to slide the dovetail adjustment block 174 along the length direction of the dovetail adjustment groove 175 to complete the adjustment of the eccentricity of the vibration wheel 173 and the vibration amplitude of the vibration box 171.
[0041] The implementation principle of a magnet manufacturing equipment in an embodiment of the present application is as follows: through the integrated design of the magnet manufacturing equipment, automated operations from molding to sintering are realized, the degree of manual intervention in the magnet manufacturing process is reduced, the production cycle is shortened, the production efficiency is significantly improved, and the problem of loose process connection in the workshop processing method is improved; the raw material mixture in the raw material supply cylinder 121 is evenly stirred by the setting of the stirring assembly 130, and the angle between the first stirring auxiliary rod 1331 and the stirring main rod 132 is adjustable to meet the stirring requirements of different raw material mixtures; the vibration motor 172 drives the vibration wheel 173 to rotate. Since the vibration wheel 173 and the output shaft of the vibration motor 172 are eccentrically connected, the vibration motor 172 drives the vibration wheel 173 to swing back and forth, and the vibration wheel 173 repeatedly hits the inner wall of the vibration box 171. The vibration box 171 transmits the vibration to the sintering furnace 160 to achieve resonance, thereby effectively avoiding the uneven sintering problem caused by uneven stacking of the pressed green body during the sintering process.
[0042] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A magnet manufacturing device, comprising a frame (110), characterized in that: The frame (110) is provided with a raw material supply structure (120), a molding structure (140), a sintering structure and a green body transport structure (150); the raw material supply structure (120) is used to stir the raw material mixture uniformly; the molding structure (140) is used to press the raw material mixture into shape; the sintering structure is used to form the pressed green body into a dense structure; and the green body transport structure (150) is used to transport the pressed green body to the sintering structure.
2. A magnet manufacturing device according to claim 1, characterized in that: The raw material supply structure (120) comprises a raw material supply cylinder (121) and two feed pipes (122) arranged at the top of the raw material supply cylinder (121), wherein the feed pipes (122) are arranged along the axial direction of the raw material supply cylinder (121) and the feed pipes (122) and the raw material supply cylinder (121) are connected, and a stirring assembly (130) is arranged in the raw material supply structure (120), and the stirring assembly (130) is used to stir the raw material mixture in the raw material supply cylinder (121).
3. A magnet manufacturing device according to claim 2, characterized in that: The stirring assembly (130) includes a stirring motor (131), a stirring main rod (132) and a stirring auxiliary rod (133). The stirring motor (131) is arranged at the bottom of the raw material supply cylinder (121). The stirring main rod (132) is inserted into the raw material supply cylinder (121) along the axial direction of the raw material supply cylinder (121). The central axis of the stirring main rod (132) coincides with the central axis of the raw material supply cylinder (121). One end of the stirring main rod (132) passes through the bottom of the raw material supply cylinder (121) and is coaxially connected to the output shaft of the stirring motor (131). The stirring auxiliary rod (133) is connected to the stirring auxiliary rod (133), and the angle between the stirring auxiliary rod (133) and the stirring main rod (132) is adjustable.
4. A magnet manufacturing device according to claim 3, characterized in that: The stirring auxiliary rod (133) includes a first stirring auxiliary rod (1331) and a second stirring auxiliary rod (1332), one end of the first stirring auxiliary rod (1331) is rotationally connected to the bottom of the stirring main rod (132), the other end of the first stirring auxiliary rod (1331) is rotationally connected to the second stirring auxiliary rod (1332), one end of the second stirring auxiliary rod (1332) away from the first stirring auxiliary rod (1331) is rotationally connected to the stirring main rod (132), and one end of the second stirring auxiliary rod (1332) away from the first stirring auxiliary rod (1331) is axially positionable and reciprocatingly slidably connected to the stirring main rod (132).
5. The magnet manufacturing equipment according to claim 1, characterized in that: The molding structure (140) includes an upper mold (141), a lower mold (142) and an upper mold driving member (143), wherein the upper mold (141) is located directly above the lower mold (142), and the upper mold driving member (143) is used to drive the upper mold (141) to slide back and forth in a vertical direction toward or away from the lower mold (142), and when the upper mold (141) is in close contact with the lower mold (142), a molding cavity (144) is formed between the upper mold (141) and the lower mold (142).
6. The magnet manufacturing equipment according to claim 1, characterized in that: The sintering structure includes a sintering furnace (160), and a feed opening (161) is provided on the top of the sintering furnace (160) for the green body transporting structure (150) to transport the pressed green body into the sintering furnace (160). A furnace door (162) is provided on the top of the sintering furnace (160), and the furnace door (162) can be opened and closed and is used to seal the feed opening (161).
7. The magnet manufacturing equipment according to claim 6, characterized in that: The sintering furnace (160) is provided with multiple layers of sintering areas (164), the multiple layers of sintering areas (164) are parallel to each other and arranged in sequence along the depth direction of the sintering furnace (160), the multiple layers of sintering areas (164) adopt layered temperature control, and the temperature of the multiple layers of sintering areas (164) increases in sequence from top to bottom along the depth direction of the sintering furnace (160).
8. The magnet manufacturing equipment according to claim 7, characterized in that: A plurality of groups of vibration assemblies (170) are provided on the outer wall of the sintering furnace (160), and the plurality of groups of vibration assemblies (170) correspond one to one to the plurality of layers of the sintering areas (164). The plurality of groups of vibration assemblies (170) are arranged on the outer wall of the sintering furnace (160) at intervals along the depth direction of the sintering furnace (160), and each group of vibration assemblies (170) is used to make the pressed blanks evenly distributed in the sintering areas (164) corresponding to each group of vibration assemblies (170).
9. The magnet manufacturing equipment according to claim 8, characterized in that: The vibration assembly (170) includes a vibration box (171) arranged on a furnace wall on one side of the sintering furnace (160), a vibration motor (172) arranged in the vibration box (171), and a vibration wheel (173) arranged in the vibration box (171). The vibration wheel (173) and the output shaft of the vibration motor (172) are eccentrically connected, and the vibration motor (172) is used to drive the vibration wheel (173) to swing back and forth.
10. The magnet manufacturing equipment according to claim 9, characterized in that: A dovetail adjustment block (174) is connected to the output shaft of the vibration motor (172); a dovetail adjustment groove (175) is provided on an end surface of the vibration wheel (173) close to the vibration motor (172) along the axial direction of the vibration wheel (173); the length direction of the dovetail adjustment groove (175) is provided along the radial direction of the vibration wheel (173); the dovetail adjustment block (174) is slidably embedded in the dovetail adjustment groove (175); and the dovetail adjustment block (174) slides back and forth along the length direction of the dovetail adjustment groove (175).