CN115445797B - Neodymium iron boron permanent magnet anaerobic powder process equipment - Google Patents

Neodymium iron boron permanent magnet anaerobic powder process equipment Download PDF

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Publication number
CN115445797B
CN115445797B CN202211406407.5A CN202211406407A CN115445797B CN 115445797 B CN115445797 B CN 115445797B CN 202211406407 A CN202211406407 A CN 202211406407A CN 115445797 B CN115445797 B CN 115445797B
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fixedly connected
ring
cleaning
permanent magnet
iron boron
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CN115445797A (en
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刘超
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Jiangsu Pulong Magnetoelectric Co ltd
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Jiangsu Pulong Magnetoelectric Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/22Apparatus in which the axial direction of the vortex is reversed with cleaning means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C2015/002Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses an anaerobic powder making device of a neodymium iron boron permanent magnet, which relates to the technical field of powder making devices and comprises a movable cleaning mechanism, wherein the tightness degree of an elastic rope is controlled by utilizing the forward and reverse rotation of a bidirectional motor, so that the tension of the elastic rope on the whole body of a cleaning blade and an air bag is adjusted, when the whole body is subjected to tension smaller than the suction of wind, the whole body moves upwards along the axial direction of a cleaning guide rod, and when the whole body is subjected to tension larger than the suction of the wind, the whole body moves downwards along the axial direction of the cleaning guide rod, so that the cleaning blade reciprocates in a U-shaped tube and scrapes off materials adhered to the inner wall of the U-shaped tube; through spacing rail set, the ring cup joints on clean guide bar, and cleaning blade can only move along clean guide bar axis direction along with the ring to keep cleaning blade's edge of a knife and "U" type intraductal wall in close contact with, be convenient for scrape away the material of adhesion on "U" type intraductal wall, have the characteristics that the practicality is strong.

Description

Anaerobic powder making equipment for neodymium iron boron permanent magnet
Technical Field
The invention relates to the technical field of powder manufacturing equipment, in particular to neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment.
Background
The Nd-Fe-B permanent magnetic material is a permanent magnetic material based on an intermetallic compound Nd2Fe 14B. The neodymium iron boron has extremely high magnetic energy and coercive force, and can absorb a heavy object which is 640 times of the self weight. The advantage of high energy density makes Nd-Fe-B permanent magnetic material widely used in modern industry and electronic technology.
Patent application No. CN202823504U discloses novel neodymium iron boron permanent magnet anaerobic powder process equipment, relates to grinding equipment. Its purpose is in order to provide a simple structure, be suitable for the neodymium iron boron permanent magnet to have the raymond mill of oxygen powder process. The utility model discloses neodymium iron boron permanent magnet anaerobic powder process equipment includes the raymond mill organism, and the grinding chamber of the built-in an organic whole of raymond mill organism grinds chamber lower part welding inlet pipe, and the feed pipe is terminal to be passed through the feed bin that the chamber top was ground in the flange intercommunication, sets up sealed the pad in the middle of the flange, and the power device transmission shaft of raymond mill organism bottom and grinding chamber contact department suit sealing ring. This patent application is used for neodymium iron boron permanent magnet to grind the powder process after improving the raymond mill, has improved production efficiency greatly.
Common neodymium iron boron permanent magnet anaerobic powder process equipment, when the feed was excessive, the "U" type pipe department in wind channel was blocked by the powder easily, and the pipeline exhaust is not smooth, and circulating air generates heat for the host computer machine temperature risees, and fan electric current descends, influences the transport of dust, and when serious, the temperature sharply risees, and equipment is impaired easily, and consequently, it is very necessary to design a neodymium iron boron permanent magnet anaerobic powder process equipment that the practicality is strong.
Disclosure of Invention
The invention aims to provide an anaerobic powder making device for neodymium iron boron permanent magnets, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an anaerobic powder making device for neodymium iron boron permanent magnets comprises a bottom plate, wherein a cyclone powder collector is fixedly connected to the top of the bottom plate, the top of the cyclone powder collector is communicated with a discharge pipe, a Raymond mill is arranged under the discharge pipe, the top of the Raymond mill is communicated with the bottom of the discharge pipe, an air channel is arranged at the top of the cyclone powder collector, the central position of the top of the cyclone powder collector is communicated with the bottom of the left end of the air channel, and a movable cleaning mechanism is arranged right above the bottom plate;
the movable cleaning mechanism comprises a vertical moving device, a limiting track device and a cleaning device, the bottom of the vertical moving device is fixedly connected with the bottom of the inner wall of the cyclone powder collector, the top of the vertical moving device is fixedly connected with the cleaning device, and the cleaning device is sleeved with the cleaning device.
According to the technical scheme, the vertical moving device comprises a two-way motor, the bottom of the two-way motor is fixedly connected with the bottom of the inner wall of the cyclone powder collector, the output end of the two-way motor is fixedly connected with a lead screw, the lead screw is in threaded connection with a nut, the outer portion of the nut is fixedly connected with a wire barrel, the side face of the wire barrel is fixedly connected with a semicircular block, and the top of the semicircular block is fixedly connected with an elastic rope.
According to the technical scheme, spacing track device includes central disk, the first fixed plate of side fixedly connected with of center disk, first fixed plate totally three, three first fixed plate distributes according to the circumferencial direction equidistance of center disk, the clean guide bar of fixedly connected with is located at the center at center disk top, the bottom fixedly connected with second fixed plate of clean guide bar right-hand member, the second fixed plate totally three, three second fixed plate equidistance distributes, the one end of center disk and the inner wall fixed connection of whirlwind collection powder ware side are kept away from to first fixed plate, the inner wall fixed connection of the one end of clean guide bar and wind channel is kept away from to the second fixed plate.
According to the above technical scheme, cleaning device includes cleaning blade, cleaning blade is close to one side fixedly connected with ring of lead screw axis, the bottom of ring and the top fixed connection of elasticity rope, the inboard fixedly connected with connecting block of ring, the bottom fixedly connected with air pocket of ring, the round hole has been seted up in the top of air pocket is run through, the inboard fixedly connected with connecting rod of ring, the one end fixedly connected with lantern ring of ring is kept away from to the connecting rod, the connecting rod is totally three, three the circumferencial direction equidistance that the connecting rod pressed the ring distributes.
According to the technical scheme, the vertical moving device and the cleaning device are arranged on the inner wall of the cyclone powder collector, the limiting track device is arranged inside a U-shaped pipe of the air channel, the bottom of the left end of the limiting track device is fixedly connected with the inner wall of the side face of the cyclone powder collector, and the bottom of the right end of the limiting track device is fixedly connected with the inner wall of the air channel.
According to the technical scheme, the semicircular blocks and the elastic ropes are three, the semicircular blocks and the elastic ropes are distributed at equal intervals in the circumferential direction of the screw rod, and the top of each elastic rope is fixedly connected with the bottom of the cleaning device.
According to the technical scheme, the cleaning guide rod is composed of a U-shaped rod at the upper part and a straight rod at the lower part, the bottom of the straight rod is fixedly connected with the center of the top of the central round block, and the bottom of the right end of the U-shaped rod is fixedly connected with the top of the second fixing plate.
According to the technical scheme, the height of the ring is the same as that of the connecting blocks, the connecting blocks are three in number, the three connecting blocks are distributed in the same distance in the circumferential direction of the inner side of the ring, and the lantern ring is sleeved with the cleaning guide rod.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the cleaning mechanism is moved, the degree of tightness of the elastic rope is controlled by utilizing the forward and reverse rotation of the bidirectional motor, so that the tension of the elastic rope on the whole body of the cleaning blade and the air bag is adjusted, when the whole body is subjected to tension less than the suction force of wind, the whole body moves upwards along the axial direction of the cleaning guide rod, when the whole body is subjected to tension more than the suction force of wind, the whole body moves downwards along the axial direction of the cleaning guide rod, and the cleaning blade is controlled by the motor to move, so that the cleaning blade reciprocates in the U-shaped pipe and scrapes off materials adhered to the inner wall of the U-shaped pipe.
(2) According to the cleaning blade, the elastic rope is tensioned through the vertical moving device, the tension borne by the cleaning blade is equal to the suction force of wind at the moment, the two forces of the cleaning blade are balanced and kept static, when the elastic rope rises and is not tightened, the tension borne by the cleaning blade is continuously reduced, the cleaning blade moves upwards under the action of the suction force of the wind, the movement of the cleaning blade is rapidly controlled through the tightness of the elastic rope, the structure is simple, the operation is convenient, and the cleaning blade is initially positioned right below the pipe orifice of the U-shaped pipe, so that the material conveying efficiency of the U-shaped pipe cannot be influenced.
(3) According to the invention, the circular ring is sleeved on the cleaning guide rod through the limiting track device, so that the cleaning blade and the air bag can move along the axial direction of the cleaning guide rod only along with the circular ring, the knife edge of the cleaning blade is kept in close contact with the inner wall of the U-shaped pipe, and materials adhered to the inner wall of the U-shaped pipe can be scraped conveniently.
(4) According to the invention, the air bag is an annular curved surface protruding upwards, so that the contact surface area of the air bag and wind can be increased, the suction force of the wind on the air bag is improved, the cleaning blade is convenient to drive to move, the circular hole is formed in the air bag in a penetrating manner, materials can conveniently penetrate through the circular hole, and the conveying of the materials cannot be influenced when the cleaning blade cleans the inner wall of the U-shaped pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall principle of the present invention;
FIG. 2 is a cross-sectional view of the left structure of the present invention;
FIG. 3 is a schematic view of the mobile cleaning mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the vertical movement device of the present invention;
FIG. 5 is a schematic view of the construction of the curb track assembly of the present invention;
FIG. 6 is a schematic view of the structure of the cleaning device of the present invention;
figure 7 is an exploded view of the cleaning device and curb track assembly of the present invention.
In the figure: 1. the cleaning device comprises a base plate, 2 a Raymond mill, 3 a discharge pipe, 4 a cyclone powder collector, 5 an air duct, 6 a movable cleaning mechanism, 61 a vertical moving device, 611 a bidirectional motor, 612 a screw rod, 613 a nut, 614 a wire barrel, 615 a semicircular block, 616 an elastic rope, 62 a limiting rail device, 621 a central circular block, 622 a first fixing plate, 623 a cleaning guide rod, 624 a second fixing plate, 63 a cleaning device, 631 a cleaning blade, 632 a circular ring, 633 a connecting block, 634 an air bag, 635 a circular hole, 636 a connecting rod and 637 a lantern ring.
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. 1-7, the present invention provides the following technical solutions: an anaerobic powder making device for neodymium iron boron permanent magnets comprises a base plate 1, wherein the top of the base plate 1 is fixedly connected with a cyclone powder collector 4, the top of the cyclone powder collector 4 is communicated with a discharge pipe 3, a Raymond mill 2 is arranged under the discharge pipe 3, the top of the Raymond mill 2 is communicated with the bottom of the discharge pipe 3, the top of the cyclone powder collector 4 is provided with an air duct 5, the central position of the top of the cyclone powder collector 4 is communicated with the bottom of the left end of the air duct 5, and a movable cleaning mechanism 6 is arranged right above the base plate 1;
the movable cleaning mechanism 6 comprises a vertical moving device 61, a limiting track device 62 and a cleaning device 63, the bottom of the vertical moving device 61 is fixedly connected with the bottom of the inner wall of the cyclone powder collector 4, the top of the vertical moving device 61 is fixedly connected with the cleaning device 63, the cleaning device 63 is sleeved with the cleaning device 63, the vertical moving device 61 and the cleaning device 63 are arranged on the inner wall of the cyclone powder collector 4, the limiting track device 62 is arranged inside a U-shaped tube of the air duct 5, the bottom of the left end of the limiting track device 62 is fixedly connected with the inner wall of the side face of the cyclone powder collector 4, and the bottom of the right end of the limiting track device 62 is fixedly connected with the inner wall of the air duct 5;
the vertical moving device 61 comprises a two-way motor 611, the bottom of the two-way motor 611 is fixedly connected with the bottom of the inner wall of the cyclone powder collector 4, the output end of the two-way motor 611 is fixedly connected with a screw rod 612, the screw rod 612 is in threaded connection with a nut 613, the outer part of the nut 613 is fixedly connected with a wire barrel 614, the side surface of the wire barrel 614 is fixedly connected with a semicircular block 615, the top of the semicircular block 615 is fixedly connected with an elastic rope 616, the number of the semicircular blocks 615 and the number of the elastic ropes 616 are three, the three semicircular blocks 615 and the elastic ropes 616 are all distributed at equal intervals in the circumferential direction of the screw rod 612, and the top of the elastic rope 616 is fixedly connected with the bottom of the cleaning device 63;
the limiting track device 62 comprises a central round block 621, a first fixing plate 622 is fixedly connected to the side face of the central round block 621, three first fixing plates 622 are provided, three first fixing plates 622 are distributed at equal intervals in the circumferential direction of the central round block 621, a cleaning guide rod 623 is fixedly connected to the center of the top of the central round block 621, a second fixing plate 624 is fixedly connected to the bottom of the right end of the cleaning guide rod 623, three second fixing plates 624 are distributed at equal intervals, one end, far away from the central round block 621, of each first fixing plate 622 is fixedly connected with the inner wall of the side face of the cyclone powder collector 4, one end, far away from the cleaning guide rod 623, of each second fixing plate 624 is fixedly connected with the inner wall of the air duct 5, each cleaning guide rod 623 is formed by a U-shaped rod on the upper portion and a straight rod on the lower portion, the bottom of each straight rod is fixedly connected with the center of the top of the central round block 621, and the bottom of the right end of each U-shaped rod is fixedly connected with the top of the second fixing plate 624;
cleaning device 63 includes cleaning blade 631, one side fixedly connected with ring 632 that cleaning blade 631 is close to lead screw 612 axis, the bottom of ring 632 and the top fixed connection of elastic rope 616, the inboard fixedly connected with connecting block 633 of ring 632, the bottom fixedly connected with air pocket 634 of ring 632, round hole 635 has been seted up in running through to the top of air pocket 634, the inboard fixedly connected with connecting rod 636 of ring 632, the one end fixedly connected with lantern ring 637 that ring 632 was kept away from to connecting rod 636, three connecting rods 636 are totally three, three connecting rods 636 are according to the circumferencial direction equidistance distribution of ring 632, the height of ring 632 is the same with the height of connecting block 633, three total connecting blocks 633 are according to the circumferencial direction equidistance distribution of the inboard of ring 632, lantern ring 637 cup joints with cleaning guide bar 623.
When the bidirectional motor is not started, the pulling force and the suction force borne by the whole body are kept to be balanced and the whole body is kept static;
the feeding is excessive, the U-shaped pipe of the air duct 5 is easily blocked by powder, the air duct 5 is not smooth in exhaust, and circulating air flow is heated, so that the temperature of a main machine rises, the current of a fan falls, and the conveying of dust is influenced;
in the bidirectional motor 611, the bidirectional motor 611 rotates forward, the output end of the bidirectional motor 611 sequentially carries the nut 613, the wire barrel 614 moves vertically along the direction of the lead screw 612, the wire barrel 614 carries the elastic rope 616 to move upwards, the elastic force between the elastic rope 616 and the cleaning blade 631 is continuously reduced, at this time, the elastic rope 616 is difficult to tighten, the elastic rope 616 bends, at this time, the suction force of the cleaning blade 631 and the air bag 634 subjected to wind is greater than the pulling force of the elastic rope 616, the air bag 634 sequentially carries the ring 632, the cleaning blade 631, the connecting block 633 and the ring 637 to move upwards, the cleaning guide rod 623 is sleeved with the ring 637, the cleaning guide rod 623 has a limiting effect on the cleaning blade 631, so that the cleaning blade 631 can only move along the direction of the axis of the cleaning guide rod 623, thus the knife edge of the cleaning blade 631 can be ensured to move along the inner wall of the "U" shaped pipe during the movement, the cleaning blade 631 can be convenient for the cleaning blade to remove the materials accumulated on the inner wall hanging the "U" shaped pipe, the cleaning blade 631 and the air bag can also push the materials in the "U" shaped pipe 631 together, the materials pushing device 631 can be prevented, the total height of the cleaning blade 631 is ensured to stop the cleaning blade 631 moving along the same as the second cleaning blade 624, and the cleaning blade 631 and the cleaning blade fixed plate 624, and the fixed plate 631 can stop the same as the cleaning blade 631;
the air bag 634 is an annular curved surface protruding upwards, so that the contact surface area of the air bag 634 and wind can be increased, the suction force of the wind on the air bag 634 is improved, the cleaning blade 631 can be conveniently driven to move, a round hole 635 is formed in the air bag 634 in a penetrating mode, materials can conveniently pass through the round hole 635, and when the cleaning blade 631 cleans the inner wall of the U-shaped pipe, the conveying of the materials cannot be influenced;
when the cleaning blade 631 and the air bag 634 are moved towards the initial position, the cleaning blade 631 and the air bag 634 scrape off the material adhered to the inner wall of the U-shaped tube, the cleaning blade 631 is moved upwards by the forward rotation of the bi-directional motor 611, the cleaning blade 631 is moved downwards by the reverse rotation of the bi-directional motor 611, and the cleaning blade 631 can complete the reciprocating scraping work in the U-shaped tube by the change of the forward rotation and the reverse rotation of the bi-directional motor 611, thereby improving the cleaning effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a neodymium iron boron permanent magnet anaerobic powder process equipment, includes bottom plate (1), its characterized in that: the cyclone powder collector is characterized in that a cyclone powder collector (4) is fixedly connected to the top of the bottom plate (1), the top of the cyclone powder collector (4) is communicated with a discharge pipe (3), a Raymond mill (2) is arranged under the discharge pipe (3), the top of the Raymond mill (2) is communicated with the bottom of the discharge pipe (3), an air duct (5) is arranged at the top of the cyclone powder collector (4), the central position of the top of the cyclone powder collector (4) is communicated with the bottom of the left end of the air duct (5), and a movable cleaning mechanism (6) is arranged right above the bottom plate (1);
the movable cleaning mechanism (6) comprises a vertical moving device (61), a limiting rail device (62) and a cleaning device (63), the bottom of the vertical moving device (61) is fixedly connected with the bottom of the inner wall of the cyclone powder collector (4), the top of the vertical moving device (61) is fixedly connected with the cleaning device (63), and the cleaning device (63) is sleeved with the cleaning device (63);
the vertical moving device (61) comprises a two-way motor (611), the bottom of the two-way motor (611) is fixedly connected with the bottom of the inner wall of the cyclone powder collector (4), the output end of the two-way motor (611) is fixedly connected with a screw rod (612), the screw rod (612) is in threaded connection with a nut (613), a wire barrel (614) is fixedly connected to the outside of the nut (613), a semicircular block (615) is fixedly connected to the side surface of the wire barrel (614), and an elastic rope (616) is fixedly connected to the top of the semicircular block (615).
2. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 1, characterized in that: spacing rail set (62) are including central disk (621), the first fixed plate of side fixedly connected with (622) of central disk (621), three totally of first fixed plate (622) distributes according to the circumferencial direction equidistance of central disk (621), the clean guide bar (623) of fixedly connected with is located at the center at center disk (621) top, the bottom fixedly connected with second fixed plate (624) of clean guide bar (623) right-hand member, three totally of second fixed plate (624), three totally second fixed plate (624) equidistance distributes, the one end of central disk (621) and the inner wall fixed connection of whirlwind collection powder ware (4) side are kept away from in first fixed plate (622), the one end of clean guide bar (623) and the inner wall fixed connection of wind channel (5) are kept away from in second fixed plate (624).
3. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 2, characterized in that: cleaning device (63) is including cleaning blade (631), one side fixedly connected with ring (632) that cleaning blade (631) is close to lead screw (612) axis, the bottom of ring (632) and the top fixed connection of elasticity rope (616), ring (632) inboard fixedly connected with connecting block (633), the bottom fixedly connected with air pocket (634) of ring (632), round hole (635) have been seted up in running through at the top of air pocket (634), inboard fixedly connected with connecting rod (636) of ring (632), the one end fixedly connected with lantern ring (637) of ring (632) is kept away from in connecting rod (636), connecting rod (636) are three altogether, three connecting rod (636) are according to the circumferencial direction equidistance distribution of ring (632).
4. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 1, characterized in that: the vertical moving device (61) and the cleaning device (63) are arranged on the inner wall of the cyclone powder collector (4), the limiting track device (62) is arranged inside a U-shaped pipe of the air duct (5), the bottom of the left end of the limiting track device (62) is fixedly connected with the inner wall of the side face of the cyclone powder collector (4), and the bottom of the right end of the limiting track device (62) is fixedly connected with the inner wall of the air duct (5).
5. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 1, characterized in that: the cleaning device is characterized in that the number of the semicircular blocks (615) and the number of the elastic ropes (616) are three, the three semicircular blocks (615) and the three elastic ropes (616) are distributed at equal intervals in the circumferential direction of the screw rod (612), and the top of each elastic rope (616) is fixedly connected with the bottom of the cleaning device (63).
6. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 2, characterized in that: the cleaning guide rod (623) is formed by a U-shaped rod at the upper part and a straight rod at the lower part, the bottom of the straight rod is fixedly connected with the center of the top of the central round block (621), and the bottom of the right end of the U-shaped rod is fixedly connected with the top of the second fixing plate (624).
7. The neodymium iron boron permanent magnet oxygen-free powder manufacturing equipment of claim 3, characterized in that: the height of ring (632) is the same with the height of connecting block (633), and three total connecting blocks (633) are distributed according to the inboard circumferencial direction equidistance of ring (632), lantern ring (637) cup joints with clean guide bar (623).
CN202211406407.5A 2022-11-10 2022-11-10 Neodymium iron boron permanent magnet anaerobic powder process equipment Active CN115445797B (en)

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Denomination of invention: An oxygen free powder making equipment for neodymium iron boron permanent magnets

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