CN211376399U - Annular neodymium iron boron magnet coercive force lifting device - Google Patents

Abstract

The utility model belongs to the technical field of neodymium iron boron magnetism body processing, mainly relate to an annular neodymium iron boron magnetism body coercive force hoisting device. The lifting device comprises a sealed bin, a plurality of fixed support frames are arranged in the sealed bin, a roller with a telescopic component is arranged on each fixed support frame, the telescopic components are positioned on the side wall of the roller and are switched between a contraction state and a support state, and a first spray gun is arranged at the end part of the roller; each fixed support frame is also provided with a slide rail, and the slide rail is provided with a support groove which reciprocates along the slide rail; the second spray gun and the hot air drying spray gun are arranged on one side of the rolling shaft. The utility model discloses use heavy tombarthite thick liquids to be the diffusion source to combine hoisting device, the inside and outside surface at annular neodymium iron boron magnetism body that can be quick even covers the heavy tombarthite coating of one deck.

Description

Annular neodymium iron boron magnet coercive force lifting device

The technical field is as follows:

the utility model belongs to the technical field of neodymium iron boron magnetism body processing, mainly relate to an annular neodymium iron boron magnetism body coercive force hoisting device.

Background art:

since 1983, the neodymium iron boron magnet is widely applied to the fields of computers, automobiles, medical treatment, wind power generation and the like, and the annular neodymium iron boron magnet has higher application in the field of motors and can obtain better motor performance due to the special shape and orientation direction of the annular neodymium iron boron magnet. The motor can generate heat in the high-speed rotation process to cause the continuous weakening of the magnetism of the neodymium iron boron magnet and influence the performance of the motor, so that in order to avoid the situation, the coercive force of the neodymium iron boron magnet applied to the motor must be improved.

The neodymium iron boron permanent magnet material is a permanent magnet material based on an intermetallic compound Nd2Fe14B, and the crystal magnetic anisotropy of an Nd2Fe14B phase is improved by adding dysprosium and terbium elements or alloys thereof at the boundary of the Nd2Fe14B phase, so that the coercive force of the neodymium iron boron magnet can be effectively improved. According to the theory, the developed grain boundary diffusion technology is widely applied to the production and processing process of the neodymium iron boron magnet due to the excellent performance improvement advantages and the high economic value of the grain boundary diffusion technology, different diffusion modes are developed, but due to the special shape of the annular neodymium iron boron magnet, the existing diffusion modes cannot well perform low-cost and high-efficiency heavy rare earth diffusion on the annular neodymium iron boron magnet, and the coercive force of the annular neodymium iron boron magnet is improved.

The enclosed sky and magnetic material technology limited company, publication number CN106782980A, discloses a method for using a heavy rare earth salt solution as an electroplating solution to electroplate a heavy rare earth coating on the surface of a neodymium iron boron magnet, and then improving the magnetic performance through high-temperature diffusion.

The invention content is as follows:

for the diffusion treatment who solves annular neodymium iron boron magnetism body, the utility model provides an annular neodymium iron boron magnetism body coercive force hoisting device can carry out homogenization, stabilization, mass production to annular neodymium iron boron magnetism body.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a coercive force lifting device of an annular neodymium iron boron magnet, which comprises a sealed cabin 2 and is characterized in that,

a plurality of fixed support frames 4 are arranged in the sealed cabin 2, each fixed support frame 4 is provided with a roller 5 with a telescopic part 7, the telescopic parts 7 are positioned on the side walls of the rollers 5 and are switched between a contraction state and a support state, and the end parts of the rollers 5 are provided with first spray guns 8; each fixed support frame 4 is also provided with a slide rail 6, and the slide rail 6 is provided with a support groove 9 which reciprocates along the slide rail 6; the second spray gun 10 and the hot air drying spray gun 12 are disposed at one side of the roller 5.

Further, hoisting device still includes pressure agitator 1, first spray gun 8 and second spray gun 10 be atmospheric pressure atomizing spray gun, spout after atomizing the heavy tombarthite thick liquids in the pressure agitator 1 through atmospheric pressure, the spraying direction perpendicular to spray gun direction of first spray gun 8 just can be simultaneously to spraying all around, the spraying direction of second spray gun 10 is on a parallel with the spray gun direction, the one end of first spray gun 8 and second spray gun 10 one end are equallyd divide and are do not communicated with each other through pipeline and pressure agitator 1, the other end of first spray gun 8 and the other end of second spray gun 10 communicate with each other with respective shower nozzle respectively, second spray gun 10 and hot air drying spray gun 12 are located roller bearing 5 directly over and can come the return motion in the plane parallel with roller bearing 5.

Further, still set up unable adjustment base 3 in sealed storehouse 2, the bottom of a plurality of fixed stay frames 4 is all installed on unable adjustment base 3 to mutual parallel arrangement between a plurality of fixed stay frames 4, interval between a plurality of fixed stay frames can be adjusted.

Furthermore, the lifting device is further provided with a motor, each roller 5 is controlled by the motor to perform autorotation motion, the slide rail 6 is also controlled by the motor to perform vertical reciprocating motion along the fixed support frame 4, each roller 5 is vertically fixed on the side wall of the corresponding fixed support frame 4, and the plurality of rollers 5 are arranged in parallel.

Further, the support grooves 9 are arranged in a V-shape or a wave shape or with protrusions on the surface, and the support grooves 9 are positioned right below the roller 5.

Compared with the prior art, the utility model discloses an useful part lies in:

use the utility model discloses a coercive force hoisting device can be quick at the heavy tombarthite thick liquids of one deck of coating on annular neodymium iron boron magnet's the internal and external surface to promote annular neodymium iron boron magnet's coercive force after the diffusion by a wide margin, compare with the electrophoresis that exists at present, the mode that electroplating etc. can carry out annular neodymium iron boron magnet diffusion in addition, use the utility model discloses the heavy tombarthite coating that obtains on annular neodymium iron boron magnet surface or internal surface is more even, and the rete thickness controllability on surface and the outside is higher, and the coercive force of annular neodymium iron boron magnet is more even after the diffusion.

Description of the drawings:

fig. 1 is a side view of the lifting device of the present invention;

fig. 2 is a front view of the lifting device of the present invention.

Description of the labeling: 1. the device comprises a pressure stirring barrel, 2, a sealed bin, 3, a fixed base, 4, a fixed support frame, 5, a rolling shaft, 6, a sliding rail, 7, a telescopic component, 7-1, a telescopic component in a supporting state, 7-2, a telescopic component in a contracting state, 8, a first spray gun, 9, a supporting groove, 10, a second spray gun, 11, an annular neodymium-iron-boron magnet, 12 and a hot air drying spray gun.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are not intended to limit the scope of the present invention in the following detailed description, but the present invention is not limited to the following embodiments, in which the present invention is used in a position convenient for describing the present invention.

Example 1

The lifting device used by the utility model is installed in the sealed bin 2, the spraying work of the annular neodymium iron boron magnet is completed in the sealed bin 2, a rotating mechanism and a supporting mechanism are arranged in the sealed bin 2, and the rotating mechanism comprises a rolling shaft 5 and a telescopic part 7; the supporting mechanism comprises a fixed base 3, a supporting frame 4, a sliding rail 6 and a supporting groove 9; the lifting device is also provided with a spraying mechanism, and the spraying mechanism comprises a first spray gun 8, a second spray gun 10 and a hot air drying spray gun 12.

One end of the first spray gun 8 and one end of the second spray gun 10 are respectively communicated with the pressure stirring barrel 1 through pipelines, heavy rare earth slurry is filled in the pressure stirring barrel 1, the other end of the first spray gun 8 and the other end of the second spray gun 10 are respectively communicated with respective spray heads, and the first spray gun and the second spray gun are both air pressure atomization spray guns.

In the present application, the sealed cabin 2 is described according to the top, bottom, left side, right side directions, the bottom inside the sealed cabin 2 is provided with the fixed base 3, the support frame 4 is arranged above the fixed base 3, the roller 5 is arranged at the upper part of the support frame 4, the roller 5 is parallel to the bottom of the sealed cabin 2, and the roller 5 can rotate.

There is telescopic part 7 at the surface mounting of roller bearing 5, a plurality of annular neodymium iron boron magnet cover is on telescopic part 7, telescopic part 7 is a plurality of telescopic links of setting on roller bearing 5, telescopic part 7 all is controlled by the motor, 5 rotations of motor control roller bearing, the shrink of motor control telescopic part 7 with prop up, telescopic part 7 switches between shrink and prop up two kinds of states, when telescopic part 7 props up, a plurality of annular neodymium iron boron magnet cover follow roller bearing 5 synchronous rotations on telescopic part 7, when telescopic part 7 contracts, a plurality of annular neodymium iron boron magnet inner walls do not contact with telescopic part 7, break away from the control of roller bearing 5.

Only explain to installing a roller bearing 5 in this embodiment, place 3 annular neodymium iron boron magnetism bodies on a roller bearing 5, according to the spraying needs, can set up the parallel roller bearing of multirow, place a plurality of annular neodymium iron boron magnetism bodies on every roller bearing, a plurality of annular neodymium iron boron magnetism bodies on same roller bearing are coaxial. When there are a plurality of rollers, 2 are no less than to roller number, and the centre-to-centre spacing between the roller can be adjusted.

Second spray gun 10, hot-air drying spray gun 12 all is located 3 annular neodymium iron boron magnet place planar top, second spray gun 10 and hot-air drying spray gun 12 are located roller bearing 5 directly over and can come the return motion in the plane parallel with roller bearing 5, and second spray gun 10 and hot-air drying spray gun 12 are adjustable apart from the position directly over roller bearing 5, when 3 annular neodymium iron boron magnet is propped up by telescopic part 7, second spray gun 10 drives 3 annular neodymium iron boron magnet at roller bearing 5 and rotates when, spout the surface of 3 annular neodymium iron boron magnet, spout after atomizing the heavy rare earth thick liquids in with pressure agitator 1 through atmospheric pressure, the spraying direction of second spray gun 10 is on a parallel with the spray gun direction.

A slide rail 6 is arranged at the lower part of the support frame 4, the slide rail 6 reciprocates up and down along the fixed support frame 4 under the control of a motor, a support groove 9 reciprocating along the slide rail 6 is arranged on the slide rail 6, the support groove 9 is arranged in a V shape or a corrugated shape or has a bulge on the surface, the support groove 9 is positioned under the roller 5, the slide rail 6 drives the support groove 9 to move up and down to a state that the support groove 9 can hold or separate from the annular neodymium iron boron magnet, then the slide rail 6 does not move any more, the support groove 9 starts to slide back and forth along the slide rail 6, namely, the support groove moves under the axial direction of the roller, and the support groove is described by a V shape in the embodiment.

One end of the support frame 4 is kept away from to the roller bearing 5 is provided with a first spray gun 8, the central axis of first spray gun 8 and roller bearing 5 is on the collinear, and first spray gun 8 is used for carrying out the spraying to annular neodymium iron boron magnetism body internal surface.

Control slide rail 6 is along the below of 4 upshifts of fixed bolster to 3 annular neodymium iron boron magnet, the shrink of telescopic part 7, 3 annular neodymium iron boron magnet and the upper surface of the support groove 9 of V type contact, support groove 9 this moment and provide the supporting role to 3 annular neodymium iron boron magnet, drive 3 annular neodymium iron boron magnet and remove to first spray gun 8, when 3 annular neodymium iron boron magnet loop through first spray gun 8, accomplish the spraying to 3 annular neodymium iron boron magnet internal surfaces.

Lifting device is when using, overlap 3 annular neodymium iron boron magnet in the 5 outsides of roller bearing, the starter motor, control telescopic part 7 props up 3 annular neodymium iron boron magnet, the distance of adjustment second spray gun 10 apart from 3 annular neodymium iron boron magnet surfaces, later when roller bearing 5 drives 3 annular neodymium iron boron magnet rotations, control second spray gun 10 carries out spraying work, and second spray gun 10 makes a round trip to spray 3 annular neodymium iron boron magnet surfaces along the 5 axial direction movements of roller bearing in proper order, hot-air drying spray gun 12 is used for carrying out hot-air drying.

Afterwards, motor control slide rail 6 moves to the below of the roller bearing 5 at 3 annular neodymium iron boron magnet places along support frame 4, support groove 9 and 3 annular neodymium iron boron magnet's surface and contact, control 7 shrink of extensible part, 3 individual annular neodymium iron boron magnet breaks away from the support of extensible part 7, support groove 9 props up 3 individual annular neodymium iron boron magnet, motor control supports groove 9 and drives 3 individual annular neodymium iron boron magnet and remove along the axial direction of roller bearing 5, also be exactly towards the direction removal of first spray gun 8, at this moment, control first spray gun 8 and carry out spraying work, pass first spray gun 8 when 3 individual annular magnet neodymium iron boron in proper order, the completion is to the spraying work of 3 individual annular neodymium iron boron magnet internal surfaces.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain a separate embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an annular neodymium iron boron magnetism body coercive force hoisting device, includes sealed storehouse (2), its characterized in that: a plurality of fixed support frames (4) are arranged in the sealed bin (2), a roller (5) with a telescopic part (7) is arranged on each fixed support frame (4), the telescopic part (7) is positioned on the side wall of the roller (5) and is switched between a contraction state and a support state, and a first spray gun (8) is arranged at the end part of the roller (5); each fixed support frame (4) is also provided with a slide rail (6), and the slide rail (6) is provided with a support groove (9) which reciprocates along the slide rail (6); the second spray gun (10) and the hot air drying spray gun (12) are arranged on one side of the rolling shaft (5).

2. The coercivity improving device for the annular neodymium-iron-boron magnet as claimed in claim 1, wherein: the lifting device further comprises a pressure stirring barrel (1), the first spray gun (8) and the second spray gun (10) are air pressure atomization spray guns, one end of the first spray gun (8) and one end of the second spray gun (10) are equally divided and communicated with the pressure stirring barrel (1) through pipelines, the other end of the first spray gun (8) and the other end of the second spray gun (10) are communicated with respective spray heads respectively, heavy rare earth slurry in the pressure stirring barrel (1) is atomized through air pressure and then sprayed out, the spraying direction of the first spray gun (8) is perpendicular to the spray gun direction and can be sprayed all around simultaneously, the spraying direction of the second spray gun (10) is parallel to the spray gun direction, the second spray gun (10) and the hot air drying spray gun (12) are located right above the rolling shaft (5) and can move back in a plane parallel to the rolling shaft (5).

3. The coercivity improving device for the annular neodymium-iron-boron magnet as claimed in claim 1, wherein: still set up unable adjustment base (3) in sealed storehouse (2), the bottom of a plurality of fixed stay frames (4) is all installed on unable adjustment base (3) to mutual parallel arrangement between a plurality of fixed stay frames (4), interval between a plurality of fixed stay frames can be adjusted.

4. The coercivity improving device for the annular neodymium-iron-boron magnet as claimed in claim 1, wherein: the lifting device is further provided with a motor, each rolling shaft (5) is controlled by the motor to perform autorotation motion, the sliding rail (6) can perform vertical reciprocating motion along the fixed support frame (4) under the control of the motor, each rolling shaft (5) is vertically fixed on the side wall of the corresponding fixed support frame (4), and the plurality of rolling shafts (5) are arranged in parallel.

5. The coercivity improving device for the annular neodymium-iron-boron magnet as claimed in claim 1, wherein: the supporting grooves (9) are arranged in a V shape or a corrugated shape or the surface is provided with protrusions, and the supporting grooves (9) are positioned right below the rolling shaft (5).

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