CN111312508A - Neodymium-iron-boron magnet and preparation system and preparation method thereof - Google Patents
Neodymium-iron-boron magnet and preparation system and preparation method thereof Download PDFInfo
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- CN111312508A CN111312508A CN202010255892.5A CN202010255892A CN111312508A CN 111312508 A CN111312508 A CN 111312508A CN 202010255892 A CN202010255892 A CN 202010255892A CN 111312508 A CN111312508 A CN 111312508A
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- fixedly connected
- iron boron
- neodymium iron
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 52
- 238000000227 grinding Methods 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000009966 trimming Methods 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 38
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000005389 magnetism Effects 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000012188 paraffin wax Substances 0.000 claims abstract description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 4
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of magnet preparation, in particular to a neodymium iron boron magnet and a preparation system and a preparation method thereof. The method comprises the following steps: s1, fine grinding; s2, pouring out the materials; s3, stirring the materials; s4, press forming; and S5, trimming corners. The neodymium iron boron magnet is composed of the following raw materials in parts by weight: 2 parts of paraffin, 1 part of binder, 5 parts of silicon dioxide, 10 parts of neodymium, 16 parts of iron and 6 parts of boron. The utility model provides a neodymium iron boron magnetism body preparation system, includes grinding bowl, fixed axle, gear I, gear II, motor I, support, grinding ball and spring beam, can carry out the fine grinding back preparation neodymium iron boron magnetism body to the raw materials. The left and right sides of grinding bowl all is provided with the fixed axle, and two fixed axles are all rotated and are connected on the upper portion of support, and fixedly connected with gear I on one of them fixed axle, fixedly connected with motor I on the support, fixedly connected with gear II on motor I's the output shaft, gear II and gear I meshing transmission are provided with the grinding ball in the grinding bowl.
Description
Technical Field
The invention relates to the field of magnet preparation, in particular to a neodymium iron boron magnet and a preparation system and a preparation method thereof.
Background
The invention discloses a preparation method of a neodymium iron boron magnet with high material utilization rate, which relates to the technical field of magnetic materials, in particular to a preparation method of a neodymium iron boron magnet with high material utilization rate, and comprises the following steps: 1. preparing raw materials, smelting, quenching to obtain alloy, and crushing into magnetic powder; 2. under the protection of nitrogen or inert gas, orientation pressing and forming; 3. reshaping by an isostatic pressing machine; 4. the face trimming device performs face trimming; 5. the angle trimming device performs angle trimming; 6. sintering and tempering to obtain the neodymium iron boron magnet. The invention adds the trimming procedure on the basis of the traditional sintered neodymium iron boron, improves the size consistency of the green body through a simple and practical trimming process, and recycles the powder obtained by trimming, thereby improving the material utilization rate and reducing the production cost. However, this invention does not provide fine grinding of the raw material.
Disclosure of Invention
The invention provides a neodymium iron boron magnet preparation system which has the beneficial effect that the neodymium iron boron magnet can be prepared after the raw materials are finely ground.
The invention relates to the field of magnet preparation, in particular to a neodymium iron boron magnet preparation system which comprises a grinding bowl, a fixed shaft, a gear I, a gear II, a motor I, a support, a grinding ball and a spring rod and can be used for finely grinding raw materials to prepare a neodymium iron boron magnet.
The left and right sides of grinding bowl all is provided with the fixed axle, and two fixed axles are all rotated and are connected on the upper portion of support, and fixedly connected with gear I on one of them fixed axle, fixedly connected with motor I on the support, fixedly connected with gear II on motor I's the output shaft, gear II and gear I meshing transmission are provided with the grinding ball in the grinding bowl, are provided with the spring beam on the grinding ball, and the grinding ball is circular orbit removal grinding material in the grinding bowl.
Neodymium iron boron magnetism body preparation system still includes the fretwork pole, the backing pin, the circumference bull stick, the sliding sleeve, fastening screw I and motor II, motor II is fixed to be set up, fixedly connected with circumference bull stick on motor II's the output shaft, the upper portion sliding connection of spring beam is in the lower part of fretwork pole, compression spring has been cup jointed on the spring beam, compression spring is located between grinding ball and the fretwork pole, the upper end fixedly connected with backing pin of spring beam, the upper end fixedly connected with sliding sleeve of fretwork pole, circumference bull stick sliding connection is on the sliding sleeve, there is fastening screw I through threaded connection on the sliding sleeve, fastening screw I pushes up on the circumference bull stick.
Neodymium iron boron magnetism body preparation system still includes the post of stretching behind, erect the hack lever, fastening screw II, lift seat and electric putter I, the post is stretched behind the rear side fixedly connected with of support, sliding connection is on stretching the post behind in the front and back direction in the lower part of erecting the hack lever, the lower part fixedly connected with electric putter I of erecting the hack lever, electric putter I's expansion end fixed connection is on the support, motor II fixes the downside at the lift seat, the vertical sliding connection of lift seat is on erecting the hack lever, the rear end of lift seat has fastening screw II through threaded connection, fastening screw II pushes up on erecting the hack lever.
Neodymium iron boron magnetism body preparation system still includes the bottom plate, door shape frid, the sliding closure, the support column, L shape frame, electric putter III, sideslip pole and clamp plate, the downside fixedly connected with support column of door shape frid, the equal fixed connection of support column and support is on the bottom plate, the upper portion sliding connection of door shape frid has the sliding closure, the equal fixedly connected with L shape frame in the left and right sides of door shape frid, equal transversely sliding connection has the sideslip pole on two L shape frames, the equal fixedly connected with clamp plate in the inner of two sideslip poles, the equal sliding connection of two clamp plates is on door shape frid, equal fixedly connected with electric putter III on two L shape frames, the expansion end difference fixed connection of two electric putter III is in the outside of two clamp plates.
Neodymium iron boron magnetism body preparation system still includes the drum, lower disc, the (mixing) shaft, go up the plectane, the stirring leaf, motor IV and electric putter, the downside of door shape frid is provided with the drum, both ends are all opened about the drum, lower disc sliding connection is on the drum, the downside fixedly connected with motor IV of lower disc, fixedly connected with (mixing) shaft on motor IV's the output shaft, the (mixing) shaft is located the upside of disc down, fixedly connected with stirring leaf on the (mixing) shaft, plectane on the upper end fixedly connected with of (mixing) shaft, fixedly connected with electric putter on the bottom plate, electric putter's expansion end fixed connection is at the downside.
Neodymium iron boron magnetism body preparation system still includes the slide rail, the horizontal pole, the activity erects the rail, the slider, folding rod and corner trimming rod, the front portion of bottom plate is provided with the slide rail, the lower part difference sliding connection of two activities erects the rail is both ends about the slide rail, equal vertical sliding connection has the slider on two sliders, the equal fixedly connected with folding rod in rear side of two sliders, the equal fixedly connected with corner trimming rod in rear end of two folding rods, two corner trimming rod all are located the top of door-shaped frid, the downside of two corner trimming rod is the arcwall face, the horizontal pole transversely sets up, both ends pass two sliders respectively about the horizontal pole.
Neodymium iron boron magnetism body preparation system still includes double thread screw rod, lug and motor III, the equal fixedly connected with lug in both ends about the slide rail, fixedly connected with motor III on one of them lug, the double thread screw rod of fixedly connected with on motor III's the output shaft, both ends rotate respectively about the double thread screw rod and connect on two lugs, partial screw thread opposite direction about the double thread screw rod, the part is erected the rail through screw thread and two activities respectively and is cooperateed about the double thread screw rod.
Neodymium iron boron magnetism body preparation system still includes hollow post, solid post and electric putter II, and the hollow post of front end middle part fixedly connected with of bottom plate, vertical sliding connection has solid post on the hollow post, and the upper end fixed connection of solid post is at the middle part of horizontal pole, the upper end fixedly connected with electric putter II of hollow post, and electric putter II's expansion end fixed connection is on solid post.
A method for preparing a neodymium iron boron magnet by a neodymium iron boron magnet preparation system comprises the following steps:
s1, fine grinding: neodymium iron boron powder is placed in a grinding bowl, and grinding balls move in the grinding bowl in a circular track to finely grind the materials;
s2, pouring out materials: after grinding, the motor I drives the gear II to rotate, further drives the grinding bowl to rotate and incline, and the ground materials are poured into the gate-shaped groove plate;
s3, stirring materials: when the materials on the door-shaped groove plate are stirred, the stirring blades are lifted to the upper side of the door-shaped groove plate, and the motor IV rotates to drive the stirring shaft and the stirring blades to rotate to stir the materials;
s4, press forming: the two electric push rods III drive the two press plates to approach each other, and the materials are pressed and formed;
s5, trimming corners: and moving the two corner trimming rods to the left and right corners on the upper side of the formed cuboid block, and respectively pressing the two corner trimming rods at the left and right corners on the upper side of the cuboid block to trim the cuboid block.
The utility model provides a neodymium iron boron magnetism body that neodymium iron boron magnetism body preparation system prepared, this neodymium iron boron magnetism body comprises the raw materials of following part weight: 2 parts of paraffin, 1 part of binder, 5 parts of silicon dioxide, 10 parts of neodymium, 16 parts of iron and 6 parts of boron.
The neodymium iron boron magnet preparation system has the beneficial effects that:
according to the neodymium iron boron magnet preparation system, the neodymium iron boron magnet can be prepared after the raw materials are finely ground. Neodymium iron boron powder is placed in a grinding bowl, grinding balls move in the grinding bowl in a circular track to finely grind materials, after grinding is finished, a motor I drives a gear II to rotate, the gear II drives the gear I to rotate, then the grinding bowl is driven to rotate and incline, and the ground materials are poured out.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of a neodymium-iron-boron magnet manufacturing system according to the present invention;
fig. 2 is a schematic view of the overall structure of a neodymium-iron-boron magnet manufacturing system according to the present invention;
FIG. 3 is a first schematic structural view of a grinding bowl;
FIG. 4 is a second schematic structural view of a grinding bowl;
FIG. 5 is a first structural view of a vertical frame rod;
FIG. 6 is a second schematic structural view of the side erector rod;
FIG. 7 is a schematic structural view of the bottom plate and the movable vertical rail;
FIG. 8 is a first structural view of a door-shaped slot plate;
FIG. 9 is a second structural view of the gate-shaped slot plate;
fig. 10 is a structural schematic diagram of the lower disk.
In the figure: a grinding bowl 1; a fixed shaft 101; a gear I102; gear II 103; a motor I104; a rear extension post 105; a bracket 106; a grinding ball 2; a spring rod 201; a hollow bar 202; a catch pin 203; a circumferential rotating rod 204; a sliding sleeve 205; a fastening screw I206; a mast bar 3; a fastening screw II 301; a lifting base 302; a motor II 303; an electric push rod I304; a base plate 4; a slide rail 401; a hollow column 402; a double-threaded screw 403; a tab 404; motor III 405; a transverse rod 406; a solid column 407; an electric push rod II 408; a movable vertical rail 5; a slider 501; a folding bar 502; a corner trimming bar 503; a gate-shaped groove plate 6; a slide cover 601; a cylinder 602; a support column 603; an L-shaped frame 604; an electric push rod III 605; a cross slide bar 606; a pressure plate 607; a lower disc 7; a stirring shaft 701; an upper circular plate 702; a stirring blade 703; a motor IV 704; an electric push rod 705.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 10, the invention relates to the field of magnet preparation, and more specifically to a system for preparing a neodymium iron boron magnet, which includes a grinding bowl 1, a fixed shaft 101, a gear I102, a gear II103, a motor I104, a bracket 106, a grinding ball 2 and a spring rod 201, and can be used for preparing the neodymium iron boron magnet after finely grinding raw materials.
The left and right sides of grinding bowl 1 all is provided with fixed axle 101, and two fixed axles 101 are all rotated and are connected on the upper portion of support 106, and fixedly connected with gear I102 on one of them fixed axle 101, fixedly connected with motor I104 on the support 106, fixedly connected with gear II103 on the output shaft of motor I104, gear II103 and gear I102 meshing transmission are provided with grinding ball 2 in the grinding bowl 1, are provided with spring beam 201 on the grinding ball 2, and grinding ball 2 does circular orbit removal grinding material in grinding bowl 1. Neodymium iron boron powder is placed in a grinding bowl 1, grinding balls 2 move in the grinding bowl 1 in a circular track to finely grind materials, after grinding is finished, a motor I104 drives a gear II103 to rotate, the gear II103 drives a gear I102 to rotate, then the grinding bowl 1 is driven to rotate and incline, and the ground materials are poured out.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 10, the system for preparing a neodymium iron boron magnet further includes a hollow rod 202, a stop pin 203, a circumference rotating rod 204, a sliding sleeve 205, a fastening screw I206 and a motor II303, the motor II303 is fixedly disposed, the circumference rotating rod 204 is fixedly connected to an output shaft of the motor II303, the upper portion of the spring rod 201 is slidably connected to the lower portion of the hollow rod 202, a compression spring is sleeved on the spring rod 201, the compression spring is located between the grinding ball 2 and the hollow rod 202, the stop pin 203 is fixedly connected to the upper end of the spring rod 201, the sliding sleeve 205 is fixedly connected to the upper end of the hollow rod 202, the circumference rotating rod 204 is slidably connected to the sliding sleeve 205, the sliding sleeve 205 is connected to a fastening screw I206 through a thread, and the fastening screw I206 is pushed against the. When the motor II303 rotates, the circumferential rotating rod 204 can be driven to rotate by taking the axis of the output shaft of the motor II303 as a shaft, the hollow rod 202, the spring rod 201 and the grinding ball 2 are further driven to rotate by taking the axis of the output shaft of the motor II303 as a shaft, the downward force is given to the grinding ball 2 by the compression spring, so that the grinding ball 2 is always pressed on the inner wall of the grinding bowl 1, materials in the grinding bowl 1 are ground, and raw materials are finely ground. The sliding sleeve 205 can slide on the circumference bull stick 204, adjusts the distance that the grinding ball 2 gave motor II303 output shaft, and then when control grinding ball 2 was the circular orbit removal grinding, the diameter size of control circular orbit reached the grinding effect of different areas. The fastening screw I206 is used to fix the sliding sleeve 205.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 10, the neodymium iron boron magnet preparation system further includes a rear extending post 105, a vertical frame rod 3, a fastening screw II301, a lifting seat 302 and an electric push rod I304, the rear side of the support 106 is fixedly connected with the rear extending post 105, the lower portion of the vertical frame rod 3 is slidably connected to the rear extending post 105 in the front-rear direction, the lower portion of the vertical frame rod 3 is fixedly connected with the electric push rod I304, the movable end of the electric push rod I304 is fixedly connected to the support 106, the motor II303 is fixed to the lower side of the lifting seat 302, the lifting seat 302 is vertically slidably connected to the vertical frame rod 3, the rear end of the lifting seat 302 is connected to the fastening screw II301 through a thread, and the fastening screw II301 is supported on the vertical frame rod. When the electric push rod I304 stretches, the vertical frame rod 3 is driven to slide back and forth on the rear extending column 105, so as to drive the lifting seat 302 and the motor II303 to move back and forth, and when the grinding ball 2 is controlled to move in a circular track in the grinding bowl 1, the circular track and the grinding bowl 1 are in relative positions, so that different grinding effects are achieved. The lifting seat 302 can vertically slide on the vertical frame rod 3, and then drive the hollow rod 202 to move up and down, adjust the compressed degree of the compression spring, and then control different grinding forces.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 10, the system for preparing a neodymium iron boron magnet further includes a bottom plate 4, a door-shaped groove plate 6, a sliding cover 601, a supporting column 603, an L-shaped frame 604, an electric push rod III605, a transverse sliding rod 606 and a pressing plate 607, the lower side of the door-shaped groove plate 6 is fixedly connected with the supporting column 603, the supporting column 603 and the bracket 106 are both fixedly connected to the bottom plate 4, the upper portion of the door-shaped groove plate 6 is slidably connected to the sliding cover 601, the left and right sides of the door-shaped groove plate 6 are both fixedly connected to the L-shaped frame 604, the two L-shaped frames 604 are both transversely slidably connected to the transverse sliding rod 606, the inner ends of the two transverse sliding rods 606 are both fixedly connected to the pressing plate 607, the two pressing plates 607 are both slidably connected to the door-shaped groove plate 6, the two L-shaped frames 604 are both fixedly connected. The ground materials are poured out and enter the door-shaped groove plate 6, after the sliding cover 601 is closed, the two electric push rods III605 drive the two pressing plates 607 to approach each other, and the materials are pressed and formed.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 10, the neodymium iron boron magnet preparation system further includes a cylinder 602, a lower disc 7, a stirring shaft 701, an upper disc 702, a stirring vane 703, a motor IV704 and an electric push rod 705, the cylinder 602 is disposed on the lower side of the gate-shaped trough plate 6, both upper and lower ends of the cylinder 602 are open, the lower disc 7 is slidably connected to the cylinder 602, the motor IV704 is fixedly connected to the lower side of the lower disc 7, the stirring shaft 701 is fixedly connected to an output shaft of the motor IV704, the stirring shaft 701 is located on the upper side of the lower disc 7, the stirring vane 703 is fixedly connected to the stirring shaft 701, the upper disc 702 is fixedly connected to the upper end of the stirring shaft 701, the electric push rod 705 is fixedly connected to the bottom plate 4, and the. When the electric push rod 705 is stretched, the lower disc 7 and the upper disc 702 can be driven to move up and down, when materials on the door-shaped trough plate 6 need to be stirred, the stirring blades 703 are lifted to the upper side of the door-shaped trough plate 6, and the motor IV704 rotates to drive the stirring shaft 701 and the stirring blades 703 to rotate to stir the materials; when the material is required to be pressed, the upper circular plate 702 is lowered to be flush with the upper side surface of the door-shaped groove plate 6, and at this time, the upper part of the cylinder 602 can be sealed, so that the material in the door-shaped groove plate 6 can be pressed and formed conveniently.
The sixth specific implementation mode:
this embodiment is explained below with reference to fig. 1-10, neodymium iron boron magnet preparation system still includes slide rail 401, horizontal pole 406, the activity erects rail 5, slider 501, folding rod 502 and corner trimming rod 503, the front portion of bottom plate 4 is provided with slide rail 401, the lower part difference sliding connection of two activities erects rail 5 is at both ends about slide rail 401, equal vertical sliding connection has slider 501 on two sliders 501, the equal fixedly connected with folding rod 502 in rear side of two sliders 501, the equal fixedly connected with corner trimming rod 503 in rear end of two folding rods 502, two corner trimming rod 503 all are located the top of door shape frid 6, the downside of two corner trimming rod 503 is the arcwall face, horizontal pole 406 transversely sets up, both ends pass two sliders 501 respectively about horizontal pole 406. Two movable vertical rails 5 can all slide from side to side on the slide rail 401, adjust the position about two corner trimming rods 503, adjust the upper and lower position of two corner trimming rods 503 when horizontal round bar 406 goes up and down, after the material suppression in the door shape frid 6 takes shape, remove two clamp plates 607 to both sides, remove two corner trimming rods 503 to pressing to the angle department about the cuboid block upside after taking shape, the downside of two corner trimming rods 503 is the arcwall face, press the angle department about the cuboid block upside respectively, repair the cuboid block.
The seventh embodiment:
this embodiment is explained below with reference to fig. 1-10, the neodymium iron boron magnet preparation system further includes double-thread screw 403, lug 404 and motor III405, the equal fixedly connected with lug 404 in both ends about slide rail 401, fixedly connected with motor III405 on one of them lug 404, fixedly connected with double-thread screw 403 on the output shaft of motor III405, both ends are rotated respectively and are connected on two lugs 404 about double-thread screw 403, the partial screw thread direction of spiral is opposite about double-thread screw 403, the part cooperatees with two movable vertical rails 5 through the screw thread respectively about double-thread screw 403. The motor III405 drives the double-threaded screw 403 to rotate around the axis thereof, and further drives the two movable vertical rails 5 to approach or separate from each other, so as to adjust the left and right positions of the two corner trimming rods 503.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 10, the neodymium iron boron magnet preparation system further includes a hollow column 402, a solid column 407 and an electric push rod II408, the hollow column 402 is fixedly connected to the middle of the front end of the bottom plate 4, the solid column 407 is vertically slidably connected to the hollow column 402, the upper end of the solid column 407 is fixedly connected to the middle of the horizontal round bar 406, the electric push rod II408 is fixedly connected to the upper end of the hollow column 402, and the movable end of the electric push rod II408 is fixedly connected to the solid column 407. When the electric push rod II408 is lifted, the solid column 407 is driven to lift, and further the horizontal round rod 406 is driven to lift, and when the horizontal round rod 406 is lifted, the up-down positions of the two corner trimming rods 503 are adjusted.
A method for preparing a neodymium iron boron magnet by a neodymium iron boron magnet preparation system comprises the following steps:
s1, fine grinding: neodymium iron boron powder is placed in a grinding bowl 1, and grinding balls 2 move in the grinding bowl 1 in a circular track to finely grind the materials;
s2, pouring out materials: after grinding, the motor I104 drives the gear II103 to rotate, further drives the grinding bowl 1 to rotate and incline, and the ground materials are poured into the gate-shaped groove plate 6;
s3, stirring materials: when the materials on the gate-shaped trough plate 6 are stirred, the stirring blades 703 are lifted to the upper side of the gate-shaped trough plate 6, and the motor IV704 rotates to drive the stirring shaft 701 and the stirring blades 703 to rotate to stir the materials;
s4, press forming: the two electric push rods III605 drive the two press plates 607 to approach each other, and the materials are pressed and formed;
s5, trimming corners: the two corner trimming rods 503 are moved to the left and right corners of the upper side of the rectangular parallelepiped block after the molding, and are pressed at the left and right corners of the upper side of the rectangular parallelepiped block, respectively, to trim the rectangular parallelepiped block.
The utility model provides a neodymium iron boron magnetism body that neodymium iron boron magnetism body preparation system prepared, this neodymium iron boron magnetism body comprises the raw materials of following part weight: 2 parts of paraffin, 1 part of binder, 5 parts of silicon dioxide, 10 parts of neodymium, 16 parts of iron and 6 parts of boron.
The working principle of the invention is as follows: neodymium iron boron powder is placed in a grinding bowl 1, grinding balls 2 move in the grinding bowl 1 in a circular track to finely grind materials, after grinding is finished, a motor I104 drives a gear II103 to rotate, the gear II103 drives a gear I102 to rotate, then the grinding bowl 1 is driven to rotate and incline, and the ground materials are poured out. When the motor II303 rotates, the circumferential rotating rod 204 can be driven to rotate by taking the axis of the output shaft of the motor II303 as a shaft, the hollow rod 202, the spring rod 201 and the grinding ball 2 are further driven to rotate by taking the axis of the output shaft of the motor II303 as a shaft, the downward force is given to the grinding ball 2 by the compression spring, so that the grinding ball 2 is always pressed on the inner wall of the grinding bowl 1, materials in the grinding bowl 1 are ground, and raw materials are finely ground. The sliding sleeve 205 can slide on the circumference bull stick 204, adjusts the distance that the grinding ball 2 gave motor II303 output shaft, and then when control grinding ball 2 was the circular orbit removal grinding, the diameter size of control circular orbit reached the grinding effect of different areas. The fastening screw I206 is used to fix the sliding sleeve 205. When the electric push rod I304 stretches, the vertical frame rod 3 is driven to slide back and forth on the rear extending column 105, so as to drive the lifting seat 302 and the motor II303 to move back and forth, and when the grinding ball 2 is controlled to move in a circular track in the grinding bowl 1, the circular track and the grinding bowl 1 are in relative positions, so that different grinding effects are achieved. The lifting seat 302 can vertically slide on the vertical frame rod 3, and then drive the hollow rod 202 to move up and down, adjust the compressed degree of the compression spring, and then control different grinding forces. The ground materials are poured out and enter the door-shaped groove plate 6, after the sliding cover 601 is closed, the two electric push rods III605 drive the two pressing plates 607 to approach each other, and the materials are pressed and formed. When the electric push rod 705 is stretched, the lower disc 7 and the upper disc 702 can be driven to move up and down, when materials on the door-shaped trough plate 6 need to be stirred, the stirring blades 703 are lifted to the upper side of the door-shaped trough plate 6, and the motor IV704 rotates to drive the stirring shaft 701 and the stirring blades 703 to rotate to stir the materials; when the material is required to be pressed, the upper circular plate 702 is lowered to be flush with the upper side surface of the door-shaped groove plate 6, and at this time, the upper part of the cylinder 602 can be sealed, so that the material in the door-shaped groove plate 6 can be pressed and formed conveniently. Two movable vertical rails 5 can all slide from side to side on the slide rail 401, adjust the position about two corner trimming rods 503, adjust the upper and lower position of two corner trimming rods 503 when horizontal round bar 406 goes up and down, after the material suppression in the door shape frid 6 takes shape, remove two clamp plates 607 to both sides, remove two corner trimming rods 503 to pressing to the angle department about the cuboid block upside after taking shape, the downside of two corner trimming rods 503 is the arcwall face, press the angle department about the cuboid block upside respectively, repair the cuboid block. The motor III405 drives the double-threaded screw 403 to rotate around the axis thereof, and further drives the two movable vertical rails 5 to approach or separate from each other, so as to adjust the left and right positions of the two corner trimming rods 503. When the electric push rod II408 is lifted, the solid column 407 is driven to lift, and further the horizontal round rod 406 is driven to lift, and when the horizontal round rod 406 is lifted, the up-down positions of the two corner trimming rods 503 are adjusted.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (10)
1. The utility model provides a neodymium iron boron magnetism body preparation system, includes grinding bowl (1), fixed axle (101), gear I (102), gear II (103), motor I (104), support (106), grinding ball (2) and spring beam (201), its characterized in that: the grinding bowl is characterized in that fixed shafts (101) are arranged on the left side and the right side of the grinding bowl (1), the two fixed shafts (101) are connected to the upper portion of a support (106) in a rotating mode, a gear I (102) is fixedly connected to one of the fixed shafts (101), a motor I (104) is fixedly connected to the support (106), a gear II (103) is fixedly connected to an output shaft of the motor I (104), the gear II (103) is in meshing transmission with the gear I (102), grinding balls (2) are arranged in the grinding bowl (1), spring rods (201) are arranged on the grinding balls (2), and the grinding balls (2) are used for grinding materials in a circular track mode in the grinding bowl (1).
2. A neodymium iron boron magnet preparation system according to claim 1, characterized in that: neodymium iron boron magnetism body preparation system still includes fretwork pole (202), stop pin (203), circumference bull stick (204), sliding sleeve (205), fastening screw I (206) and motor II (303), motor II (303) fixed setting, fixedly connected with circumference bull stick (204) on the output shaft of motor II (303), the upper portion sliding connection of spring beam (201) is in the lower part of fretwork pole (202), compression spring has been cup jointed on spring beam (201), compression spring is located between grinding ball (2) and fretwork pole (202), the upper end fixedly connected with stop pin (203) of spring beam (201), the upper end fixedly connected with sliding sleeve (205) of fretwork pole (202), circumference bull stick (204) sliding connection is on sliding sleeve (205), there is fastening screw I (206) through threaded connection on sliding sleeve (205), fastening screw I (206) top is on circumference bull stick (204).
3. A neodymium iron boron magnet preparation system according to claim 2, characterized in that: neodymium iron boron magnetism body preparation system still includes back outrigger (105), erector pole (3), fastening screw II (301), lift seat (302) and electric putter I (304), post (105) are stretched after the rear side fixedly connected with of support (106), sliding connection is on back outrigger (105) in the front and back direction in the lower part of erector pole (3), the lower part fixedly connected with electric putter I (304) of erector pole (3), the expansion end fixed connection of electric putter I (304) is on support (106), the downside at lift seat (302) is fixed in motor II (303), the vertical sliding connection of lift seat (302) is on erector pole (3), the rear end of lift seat (302) has fastening screw II (301) through threaded connection, fastening screw II (301) top is on erector pole (3).
4. A neodymium iron boron magnet preparation system according to claim 3, characterized in that: the neodymium iron boron magnet preparation system also comprises a bottom plate (4), a door-shaped groove plate (6), a sliding cover (601), a supporting column (603), an L-shaped frame (604), an electric push rod III (605), a transverse sliding rod (606) and a pressing plate (607), downside fixedly connected with support column (603) of door shape frid (6), equal fixed connection of support column (603) and support (106) is on bottom plate (4), the upper portion sliding connection of door shape frid (6) has sliding closure (601), the equal fixedly connected with L shape frame (604) in the left and right sides of door shape frid (6), equal transverse sliding connection has horizontal slide bar (606) on two L shape frames (604), the equal fixedly connected with clamp plate (607) in the inner of two horizontal slide bars (606), the equal sliding connection of two clamp plate (607) is on door shape frid (6), equal fixedly connected with electric putter III (605) on two L shape frames (604), the expansion end difference fixed connection of two electric putter III (605) is in the outside of two clamp plate (607).
5. A neodymium iron boron magnet preparation system according to claim 4, characterized in that: the neodymium iron boron magnet preparation system also comprises a cylinder (602), a lower disc (7), a stirring shaft (701), an upper disc (702), stirring blades (703), a motor IV (704) and an electric push rod (705), the lower side of door shape frid (6) is provided with drum (602), both ends are all opened about drum (602), lower disc (7) sliding connection is on drum (602), the downside fixedly connected with motor IV (704) of lower disc (7), fixedly connected with (mixing) shaft (701) on the output shaft of motor IV (704), (mixing) shaft (701) are located the upside of lower disc (7), fixedly connected with stirring leaf (703) on (mixing) shaft (701), disc (702) on the upper end fixedly connected with of (mixing) shaft (701), fixedly connected with electric putter (705) on bottom plate (4), the expansion end fixedly connected of electric putter (705) is in the downside of lower disc (7).
6. A neodymium iron boron magnet preparation system according to claim 5, characterized in that: neodymium iron boron magnetism body preparation system still includes slide rail (401), horizontal pole (406), the activity erects rail (5), slider (501), folding rod (502) and corner trimming rod (503), the front portion of bottom plate (4) is provided with slide rail (401), the lower part difference sliding connection of two activities erects rail (5) is both ends about slide rail (401), equal vertical sliding connection has slider (501) on two slider (501), the equal fixedly connected with folding rod (502) of the rear side of two slider (501), the equal fixedly connected with corner trimming rod (503) of the rear end of two folding rod (502), two corner trimming rod (503) all are located the top of door-shaped frid (6), the downside of two corner trimming rod (503) is the arcwall face, horizontal pole (406) transversely sets up, two sliders (501) are passed respectively at both ends about horizontal pole (406).
7. A neodymium iron boron magnet preparation system according to claim 6, characterized in that: neodymium iron boron magnetism body preparation system still includes double thread screw rod (403), lug (404) and motor III (405), the equal fixedly connected with lug (404) in both ends about slide rail (401), fixedly connected with motor III (405) on one of them lug (404), fixedly connected with double thread screw rod (403) on the output shaft of motor III (405), both ends rotate respectively and connect on two lugs (404) about double thread screw rod (403), part screw thread is opposite about double thread screw rod (403), the part cooperatees through screw thread and two activity vertical rails (5) respectively about double thread screw rod (403).
8. A neodymium iron boron magnet preparation system according to claim 7, characterized in that: neodymium iron boron magnetism body preparation system still includes hollow post (402), solid post (407) and electric putter II (408), the hollow post of front end middle part fixedly connected with (402) of bottom plate (4), vertical sliding connection has solid post (407) on hollow post (402), the upper end fixed connection of solid post (407) is in the middle part of horizontal round bar (406), the upper end fixedly connected with electric putter II (408) of hollow post (402), the expansion end fixed connection of electric putter II (408) is on solid post (407).
9. The method of preparing a neodymium iron boron magnet of a neodymium iron boron magnet preparation system of claim 8 includes the steps of:
s1, fine grinding: neodymium iron boron powder is placed in a grinding bowl (1), and grinding balls (2) move in the grinding bowl (1) in a circular track to finely grind the materials;
s2, pouring out materials: after grinding, the motor I (104) drives the gear II (103) to rotate, further drives the grinding bowl (1) to rotate and incline, and the ground materials are poured into the door-shaped groove plate (6);
s3, stirring materials: when materials on the gate-shaped trough plate (6) are stirred, the stirring blades (703) are lifted to the upper side of the gate-shaped trough plate (6), and the motor IV (704) rotates to drive the stirring shaft (701) and the stirring blades (703) to rotate to stir the materials;
s (4) pressing and forming, namely driving two pressing plates (607) to approach each other by two electric push rods III (605) to press and form the material;
s5, trimming corners: two corner trimming rods (503) are moved to the left and right corners of the upper side of the formed cuboid block and are respectively pressed at the left and right corners of the upper side of the cuboid block to trim the cuboid block.
10. The ndfeb magnet produced by a ndfeb magnet production system according to claim 9, wherein: the neodymium iron boron magnet is composed of the following raw materials in parts by weight: 2 parts of paraffin, 1 part of binder, 5 parts of silicon dioxide, 10 parts of neodymium, 16 parts of iron and 6 parts of boron.
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| CN114247891A (en) * | 2021-12-23 | 2022-03-29 | 刘云英 | Preparation process of metal powder |
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