CN115910513A - High-remanence low-coercivity permanent magnet material and preparation method thereof - Google Patents
High-remanence low-coercivity permanent magnet material and preparation method thereof Download PDFInfo
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- CN115910513A CN115910513A CN202211315406.XA CN202211315406A CN115910513A CN 115910513 A CN115910513 A CN 115910513A CN 202211315406 A CN202211315406 A CN 202211315406A CN 115910513 A CN115910513 A CN 115910513A
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- 239000000463 material Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000000696 magnetic material Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 28
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 244000309464 bull Species 0.000 claims abstract description 5
- 230000007306 turnover Effects 0.000 claims abstract description 5
- 238000003723 Smelting Methods 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052729 chemical element Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
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- 230000004907 flux Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a high-remanence low-coercivity permanent magnet material and a preparation method thereof, wherein the high-remanence low-coercivity permanent magnet material preparation device comprises a body, a rotating rod arranged inside the body and a stirring rod arranged on the outer surface of the rotating rod, wherein an auxiliary mechanism is arranged inside the body, the auxiliary mechanism comprises a driven disc, an elliptical groove, a sliding block, a pull rope, an installation rod, a wire wheel, a gear ring, a turnover plate and a torsion spring, and the driven disc is fixedly connected to the outside of the rotating rod; rotate through the bull stick and drive the driven plate and rotate, make under the guide effect of elliptical trough, the slider carries out the ascending removal of horizontal direction and pulls the stay cord, make line wheel rotate and drive gear revolve, thereby the ring gear rotates and drives and turn the board and rotate and turn about going on the inside coarse fodder of device, make turning more abundant even of the inside coarse fodder of device, thereby it is better to mix the effect, the condition emergence of influence is produced to later stage permanent magnetic material's performance to have avoided the coarse fodder to mix inhomogeneous.
Description
Technical Field
The invention relates to the technical field of permanent magnet material preparation, in particular to a high-remanence low-coercivity permanent magnet material and a preparation method thereof.
Background
Permanent magnetic materials, also known as "hard magnetic materials," are materials that can maintain constant magnetic properties once magnetized. Permanent magnet material is in the preparation process, the middlings after the broken handle need use agitated vessel to stir it and handle in the process, current agitated vessel is when stirring the middlings, generally all directly use commonly used puddler to stir the material of piling up in the device and mix the processing, conventional stirring mode most can only stir the middlings of same horizontal position when stirring like this, thereby will make the stirring efficiency and the stirring effect of middlings all relatively poor, be unfavorable for going on of permanent magnet material production and processing work.
Therefore, in order to solve the problems, a high-remanence low-coercivity permanent magnetic material and a preparation method thereof are needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-remanence low-coercivity permanent magnetic material and the preparation method thereof, which have the advantage of fully mixing coarse powder when the permanent magnetic material is subjected to coarse powder stirring, and solve the problem that the performance of the subsequent permanent magnetic material is influenced due to poor effect in the coarse powder mixing process.
In order to achieve the purpose of fully mixing the coarse powder when the permanent magnet material is stirred, the invention provides the following technical scheme: a high-remanence low-coercivity permanent magnet material preparation device comprises a body, a rotating rod arranged inside the body and a stirring rod arranged on the outer surface of the rotating rod, wherein an auxiliary mechanism is arranged inside the body and comprises a driven disc, an elliptical groove, a sliding block, a pull rope, an installation rod, a wire wheel, a gear ring, a turning plate and a torsion spring, the driven disc is fixedly connected to the outside of the rotating rod, the elliptical groove is formed in the lower surface of the driven disc, the sliding block is connected to the inner side surface of the elliptical groove in a sliding mode, the pull rope is fixedly connected to the bottom of the sliding block, the installation rod is fixedly connected to the inner side surface of the body, the wire wheel is rotatably connected to the inner side surface of the installation rod, the gear is rotatably connected to the inner side surface of the body, the gear ring is meshed to the outer surface of the gear ring, the turning plate is fixedly connected to the outer surface of the gear ring, and the torsion spring is fixedly connected to the outer surface of the wire wheel.
Further, complementary unit still includes guide bar, trough, the guide bar sets up the medial surface at the body, the inboard at the installation pole is seted up to the trough, the quantity of guide bar is two, two the guide bar sets up the medial surface at the medial surface of body and installation pole respectively, the surface sliding connection of stay cord and guide bar for the guide bar can lead to the trend of stay cord, thereby avoids the existence of stay cord and takes place to collide between the inner structure such as puddler and lead to the device normal work obstructed condition to take place.
Further, the stay cord rolling is on the surface of line wheel, the ring gear rotates with the surface of installation pole to be connected, the medial surface fixed connection of torsional spring and installation pole for the torsional spring can no longer drive line wheel antiport when the stay cord pulls the line wheel, thereby can make the ring gear can keep lasting the rotation state and turn the middlings.
Furthermore, the medial surface of installation pole is provided with the dwang, take turns to the line with the gear passes through dwang fixed connection for the rotation of taking turns to can drive the ring gear and carry out synchronous rotation, the quantity of board that turns over is at least three, all the board that turns over equiangular distribution is at the surface of ring gear.
Further, the inside of body is provided with vibrations mechanism, vibrations mechanism includes coil, magnetic stripe, vibrations spring, the coil sets up the medial surface at the driven plate, magnetic stripe fixed connection is at the surface of slider, vibrations spring sets up the medial surface at the installation pole.
Further, the position of magnetic stripe, specification all with the coil phase-match, the coil and the coupling of vibrations spring for can switch on for vibrations spring when coil internal interruption produced current, thereby vibrations spring can compress, makes vibrations spring can with installation pole inner wall striking and drive its vibrations at the in-process that recovers.
A permanent-magnet material with high remanence and low coercive force is disclosed, the atomic composition of said material is R x Fe a Al b Cu c B d Wherein R is rare earth element, fe, al, cu and B respectively represent chemical elements of iron, aluminum, copper and boron; r is Nd, nb and Dy; the material composition of each element comprises the following components: nd30%, nb0.4%, dy0.8%, fe67.2%, al0.4%, cu0.1%, B1.1%.
A preparation method of a high-remanence low-coercivity permanent magnetic material comprises the following steps:
weighing various required materials according to the actual proportion of the materials required by the preparation of the permanent magnet materials, and feeding the weighed various materials into a smelting furnace for smelting and casting; vacuumizing treatment is needed in the smelting process, so that the internal pressure is reduced to be below 0.07MPa, then filling inert gas such as argon, stopping filling when the internal pressure is 0.05MPa, and starting heating smelting; standing for 3 minutes after smelting is finished to perform casting, and cooling for 30 minutes after casting is finished;
crushing, crushing and stirring coarse materials on the casting sheet obtained after casting and cooling so as to uniformly mix all components in the coarse materials;
grinding the mixed coarse material, and stirring the ground fine powder again;
and pressing the ground and stirred fine powder, sintering the pressed and obtained block or sheet magnetic material, and tempering the obtained material to eliminate the residual stress of the magnetic material in high-temperature processing, so that the required permanent magnetic material can be obtained.
Has the advantages that:
1. this high remanence low coercive force permanent magnetic material and preparation method thereof rotates through the bull stick and drives the driven plate and rotate, make under the guide effect of elliptical trough, the slider carries out the ascending removal of horizontal direction and pulls the stay cord, make the line wheel rotate and drive gear revolve, thereby the ring gear rotates and drives the board rotation of stirring and stirs about the coarse fodder of device inside rotates, make the stirring of the inside coarse fodder of device more abundant even, thereby it is better to mix the effect, the condition emergence that the coarse fodder mixes inhomogeneous and leads to producing the influence to later stage permanent magnetic material's performance has been avoided.
2. This high remanence low coercive force permanent magnetic material and preparation method thereof, it removes to drive the magnetic stripe through the slider removal, make the magnetic stripe do the motion of cutting magnetic induction line in the outside of coil, thereby the inside discontinuity of coil produces induced-current and energizes compression spring, make compression spring discontinuity compression, thereby can strike the inner wall of installation pole, make the installation pole vibrations and drive its near-surface coarse fodder and shake, thereby can accelerate the falling speed of coarse fodder, make puddler and turn the board and rotate at every turn and all can carry out abundant contact with the coarse fodder, thereby play certain complementary action to the stirring mixture of coarse fodder, make the mixed effect of coarse fodder better.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross section;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a connection structure of a portion of the structure shown in FIG. 1 according to the present invention;
fig. 4 is a schematic view of the internal structure of the driven disk of the present invention.
In the figure: 1. a body; 2. a rotating rod; 3. a stirring rod; 4. an auxiliary mechanism; 41. a driven plate; 42. an elliptical groove; 43. a slider; 44. pulling a rope; 45. mounting a rod; 46. a wire wheel; 47. a gear; 48. a ring gear; 49. turning over the board; 410. a torsion spring; 411. a guide bar; 412. a wiring duct; 5. a vibration mechanism; 51. a coil; 52. a magnetic strip; 53. the spring is vibrated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high remanence low coercivity permanent magnetic material preparation apparatus includes a body 1, a rotating rod 2 disposed inside the body 1, and a stirring rod 3 disposed on an outer surface of the rotating rod 2, where the body 1 is provided with an auxiliary mechanism 4, the auxiliary mechanism 4 includes a driven plate 41, an elliptical groove 42, a slider 43, a pull rope 44, a mounting rod 45, a reel 46, a gear 47, a gear ring 48, a flipping plate 49, and a torsion spring 410, the driven plate 41 is fixedly connected to an outer portion of the rotating rod 2, the elliptical groove 42 is opened on a lower surface of the driven plate 41, the slider 43 is slidably connected to an inner side surface of the elliptical groove 42, the pull rope 44 is fixedly connected to a bottom of the slider 43, the mounting rod 45 is fixedly connected to an inner side surface of the body 1, the reel 46 is rotatably connected to an inner side surface of the mounting rod 45, the gear 47 is rotatably connected to an inner side surface of the body 1, the gear ring 48 is engaged to an outer surface of the gear 47, the flipping plate 49 is fixedly connected to an outer surface of the gear ring 48, the inner side surface of the mounting rod 45 is provided with the gear 46 and the gear 47 is fixedly connected to the gear ring 48, so that the rotation of the reel 46 can drive the rotation of the reel 48 to synchronously rotate, the gear ring plate, at least three ring plates 49, and the flipping plates 49 are distributed on the outer surface of the outer surfaces of all the flipping plates 49 at equal angles of the flipping plates 49;
The inside of body 1 is provided with vibrations mechanism 5, vibrations mechanism 5 includes coil 51, magnetic stripe 52, vibrations spring 53, coil 51 sets up the medial surface at driven plate 41, magnetic stripe 52 fixed connection is at the surface of slider 43, vibrations spring 53 sets up the medial surface at installation pole 45, the position of magnetic stripe 52, the specification all matches with coil 51, coil 51 and the coupling of vibrations spring 53, can energize for vibrations spring 53 when making coil 51 inside be interrupted the production electric current, thereby vibrations spring 53 can compress, make vibrations spring 53 recover the in-process can with installation pole 45 inner wall striking and drive its vibrations.
A permanent-magnet material with high remanence and low coercive force is disclosed, the atomic composition of the material is R x Fe a Al b Cu c B d Wherein R is rare earth element, fe, al, cu and B respectively represent chemical elements of iron, aluminum, copper and boron; r is Nd, nb and Dy; the material composition of each element is as follows: nd30%, nb0.4%, dy0.8%, fe67.2%, al0.4%, cu0.1%, B1.1%.
A preparation method of a high-remanence low-coercivity permanent magnetic material comprises the following steps:
s1, weighing various required materials according to the actual proportion of the materials required by the preparation of the permanent magnet materials, and feeding the weighed various materials into a smelting furnace for smelting and casting; vacuumizing treatment is needed in the smelting process, so that the internal pressure is reduced to be below 0.07MPa, then inert gas filling is carried out, such as argon, when the internal pressure is filled to be 0.05MPa, the filling is stopped, and heating smelting is started; standing for 3 minutes after smelting is finished to perform casting, and cooling for 30 minutes after casting is finished;
s2, crushing and smashing casting pieces obtained after casting and cooling and stirring coarse materials to uniformly mix all components in the coarse materials;
s3, grinding the mixed coarse material, and stirring the ground fine powder again;
and S4, carrying out compression molding on the ground and stirred fine powder, sintering the compressed block or sheet magnetic material, and tempering the obtained material to eliminate the residual stress of the magnetic material in high-temperature processing, so that the required permanent magnetic material can be obtained.
The working principle is as follows: in the working process, the rotating rod 2 rotates to drive the stirring rod 3 to rotate so as to stir coarse powder in the device, the rotating rod 2 drives the driven disc 41 to rotate in the rotating process, the driven disc 41 rotates to drive the elliptical groove 42 on the bottom surface of the driven disc to rotate, the elliptical groove 42 can enable the sliding block 43 to slide along the inner side surface of the elliptical groove 42 in the rotating process, so that the pulling rope 44 can be pulled, the wire wheel 46 can also be driven to rotate when the pulling rope 44 is pulled, the rotating rod is driven to rotate in the rotating process of the wire wheel 46, the rotating rod rotates to drive the gear 47 to rotate, the gear ring 48 rotates to drive the turning plate 49 on the outer surface of the gear ring 48 to rotate, so that the turning plate 49 can turn the materials in the vertical direction while the stirring and mixing of the materials in the horizontal direction are carried out by the stirring rod 3, the materials in the device can be uniformly mixed, and the situation that the performance of later-manufactured permanent magnet materials is poor due to poor mixing effect of coarse materials in the device can be avoided;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a low coercive force permanent magnetic material preparation facilities of high remanence, includes body (1), sets up bull stick (2) inside body (1) and sets up puddler (3) at bull stick (2) surface, its characterized in that: the inside of body (1) is provided with complementary unit (4), complementary unit (4) include driven plate (41), elliptical groove (42), slider (43), stay cord (44), installation pole (45), line wheel (46), gear (47), ring gear (48), board (49), torsional spring (410) turn over, driven plate (41) fixed connection is in the outside of bull stick (2), elliptical groove (42) are seted up at the lower surface of driven plate (41), slider (43) sliding connection is at the medial surface of elliptical groove (42), stay cord (44) fixed connection is in the bottom of slider (43), installation pole (45) fixed connection is at the medial surface of body (1), line wheel (46) rotate the medial surface of connecting at installation pole (45), gear (47) rotate the medial surface of connecting at body (1), ring gear (48) meshing is at the surface of gear (47), turn over board (49) fixed connection and be in the surface of ring gear (48), torsional spring (410) fixed connection is at the surface of line wheel (46).
2. The preparation device of the high-remanence low-coercivity permanent magnetic material according to claim 1, characterized in that: complementary unit (4) still include guide bar (411), trough (412), guide bar (411) set up the medial surface at body (1), the inboard at installation pole (45) is seted up in trough (412), the quantity of guide bar (411) is two, two guide bar (411) set up the medial surface at body (1) and the medial surface of installation pole (45) respectively, the surface sliding connection of stay cord (44) and guide bar (411).
3. The preparation device of the high-remanence low-coercivity permanent magnetic material according to claim 1, characterized in that: the pull rope (44) is wound on the outer surface of the wire wheel (46), the gear ring (48) is rotatably connected with the outer surface of the mounting rod (45), and the torsion spring (410) is fixedly connected with the inner side surface of the mounting rod (45).
4. The device for preparing the high-remanence low-coercivity permanent magnetic material according to claim 1, wherein: the medial surface of installation pole (45) is provided with the dwang, take turns wheel (46) with gear (47) are through dwang fixed connection, the quantity of turning plate (49) is at least three, all angular distribution such as turning plate (49) is at the surface of ring gear (48).
5. The preparation device of the high-remanence low-coercivity permanent magnetic material according to claim 1, characterized in that: the inside of body (1) is provided with vibrations mechanism (5), vibrations mechanism (5) include coil (51), magnetic stripe (52), vibrations spring (53), coil (51) set up the medial surface at driven plate (41), magnetic stripe (52) fixed connection is at the surface of slider (43), vibrations spring (53) set up the medial surface at installation pole (45).
6. The device for preparing the high-remanence low-coercivity permanent magnetic material according to claim 5, wherein: the position and the specification of the magnetic strip (52) are matched with those of the coil (51), and the coil (51) is coupled with the vibration spring (53).
7. The high-remanence low-coercivity permanent magnetic material preparation device according to claim 1, which provides a permanent magnetic material based on the high-remanence low-coercivity permanent magnetic material preparation device, and is characterized in that: the atomic composition of the material is R x Fe a Al b Cu c B d Wherein R is rare earth element, fe, al, cu and B respectively represent chemical elements of iron, aluminum, copper and boron; r is Nd, nb and Dy; the material composition of each element comprises the following components: nd30%, nb0.4%, dy0.8%, fe67.2%, al0.4%, cu0.1%, B1.1%.
8. The high-remanence low-coercivity permanent magnetic material according to claim 7, wherein a preparation method for preparing the high-remanence low-coercivity permanent magnetic material is provided, and the preparation method is characterized by comprising the following steps of:
s1, weighing various required materials according to the actual proportion of the materials required by the preparation of the permanent magnet materials, and feeding the weighed various materials into a smelting furnace for smelting and casting; vacuumizing treatment is needed in the smelting process, so that the internal pressure is reduced to be below 0.07MPa, then inert gas filling is carried out, such as argon, when the internal pressure is filled to be 0.05MPa, the filling is stopped, and heating smelting is started; standing for 3 minutes after smelting is finished to carry out casting, and cooling for 30 minutes after casting is finished;
s2, crushing and smashing the casting sheet obtained after casting and cooling and stirring the coarse material to uniformly mix all components in the coarse material;
s3, grinding the mixed coarse material, and stirring the ground fine powder again;
and S4, carrying out compression molding on the ground and stirred fine powder, sintering the compressed block or sheet magnetic material, and tempering the obtained material to eliminate the residual stress of the magnetic material in high-temperature processing, so that the required permanent magnetic material can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211315406.XA CN115910513B (en) | 2022-10-26 | Permanent magnet material with high remanence and low coercivity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211315406.XA CN115910513B (en) | 2022-10-26 | Permanent magnet material with high remanence and low coercivity and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115910513A true CN115910513A (en) | 2023-04-04 |
| CN115910513B CN115910513B (en) | 2024-11-05 |
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