CN110180623A - A kind of Ru-Fe-Mn's powder process method - Google Patents
A kind of Ru-Fe-Mn's powder process method Download PDFInfo
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- CN110180623A CN110180623A CN201910498371.XA CN201910498371A CN110180623A CN 110180623 A CN110180623 A CN 110180623A CN 201910498371 A CN201910498371 A CN 201910498371A CN 110180623 A CN110180623 A CN 110180623A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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- 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
- B22F9/023—Hydrogen absorption
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- 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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement
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- 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
Abstract
The invention discloses a kind of Ru-Fe-Mn's powder process method, the step of processing method, can be divided into: raw material preparation and pretreatment: being weighed, be crushed to raw material using bar cropper and ratary mixer, fracture and derusting；Melting: melting is carried out to pretreated raw material using vacuum melting furnace, Nd Fe B alloys is made；Hydrogen is quick-fried: it is quick-fried to carry out hydrogen to the Nd Fe B alloys after melting using vacuum hydrogen treatment furnace;Powder processed: powder is broken into Nd Fe B alloys fragment of the hydrogen after quick-fried using magnet crusher；This method is implemented simply, to clear up the magnet magnetic powder of crusher internal residual after capable of being crushed magnet crusher machine, aoxidized so that magnet magnetic powder be avoided to stay in crusher for a long time and pollute the magnetic powder processed next time.
Description
Technical field
The invention belongs to Ru-Fe-Mn's powder manufacture fields, more particularly, to a kind of Ru-Fe-Mn's powder process method.
Background technique
Ndfeb magnet has a very high ratio of performance to price as third generation rare earth permanent-magnetic material, it is wide for ndfeb magnet
General industries, the ndfeb magnets such as the energy, traffic, machinery, medical treatment, IT, household electrical appliances of being applied to will first be broken into powder before preparation, but
It is that traditional iron boron powder processing method can remain in ferromagnetic powder in crusher, so that remaining ferromagnetic powder can be made broken
The magnetic powder that oxidation stain is processed next time occurs in broken machine.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides one kind and ferromagnetic powder is avoided to remain in progress oxygen in crusher
Change to avoid pollution the Ru-Fe-Mn's powder process method for the magnetic powder processed next time.
To achieve the goals above, the invention adopts the following technical scheme: a kind of Ru-Fe-Mn's powder process method, including with
Lower step:
A, raw material preparation and pretreatment: weighed, be crushed to raw material using bar cropper and ratary mixer, fracture and
Derusting；
B, melting: melting is carried out to pretreated raw material using vacuum melting furnace, Nd Fe B alloys is made；
C, hydrogen is quick-fried；It is quick-fried that hydrogen is carried out to the Nd Fe B alloys after melting using vacuum hydrogen treatment furnace；
D, powder powder processed: is broken into Nd Fe B alloys fragment of the hydrogen after quick-fried using magnet crusher；
Magnet crusher in above-mentioned steps d includes base, the base space being arranged in base, is rotatably arranged on base space
First rotary shaft of left hand end wall, the first breaker roll for being fixed at the first rotary shaft outer surface are rotatably arranged on base sky
Between left hand end wall the second rotary shaft, be fixed at the second rotary shaft outer surface the second breaker roll, be fixed at first
The first pulley of rotary shaft outer surface, the second belt wheel for being fixed at the second rotary shaft outer surface, transmission connection are in first band
Take turns between the second belt wheel the first conveyer belt, be fixed at base right side and be connected with the second rotary shaft first drive
Moving part, the cleaning device being arranged in base space, the blanking device that frame upper surface is set；The blanking device includes solid
The storing shell that the support rod of base rear end face is set, is fixed at post upper calmly;
It is as follows that broken step carried out to Nd Fe B alloys fragment using magnet crusher, the starting of the first actuator, the first driving
Part drives the rotation of the second breaker roll, while the second breaker roll drives the rotation of the second belt wheel, and the second belt wheel drives first pulley rotation,
First pulley drives the rotation of the first breaker roll, and first pulley starts blanking device, and the neodymium iron boron being placed in blanking device is closed
Golden fragment pours into base, and Nd Fe B alloys fragment is broken into magnet magnetic powder using the first breaker roll and the second breaker roll, breaks
Cleaning device starts after broken, cleans to the residual magnetic powder in base space.
The operation of the melting is vacuum will to be added after pretreated raw material praseodymium neodymium, pure iron, ferro-boron carry out ingredient to melt
High melt is carried out after in furnace.
The quick-fried operation of hydrogen is that Nd Fe B alloys are placed in vacuum hydrogen treatment furnace, and hydrogen enters alloy along Nd-rich phase thin layer.
Vacuum melting furnace temperature when carrying out high melt is 800-1000 DEG C.
The blanking device includes that simultaneously the storing space of opening upwards, setting is arranged in storing shell before storing shell
The discharge port of end wall, is fixed at the first transmission shaft outer surface at the first transmission shaft for being rotatably arranged on storing shell left end wall
The first vertical plate, be fixed at the first vertical plate right side the second vertical plate, be fixed at the 5th of the second vertical plate right side
Vertical plate, connection shell, the first gear that the intracorporal gear space of connection shell is set, is rotatably arranged on the first transmission shaft left end,
Be fixed at the stroke plate of gear space aft bulkhead, stroke rack gear, the compression shell for being fixed at gear space front bulkhead,
Be arranged in the intracorporal compression space of compression shell, the piston being arranged in compression space, be fixed at piston rear end and and stroke
Piston rod that the front end face of rack gear is connected, is rotatably arranged in driving hole the driving hole that gear space left end wall is arranged in
Third transmission shaft, the intermittent gear for being fixed at third transmission shaft right end and matching with stroke rack gear are fixed at
The third belt wheel of three transmission shaft left ends, the 4th belt wheel for being fixed at the first transmission shaft left end, transmission connection are in third belt wheel
The second conveyer belt, the first blanking shell between the 4th belt wheel, setting are in the intracorporal first shell space of the first blanking shell, solid
Two the second blanking shells of the first blanking housing lower surface are set calmly, are arranged in two the second intracorporal second shells of blanking shell
Body space, multiple first wedge angles for being fixed at two second shell spaces junction；
Magnet pours into base to as follows, the first actuator starting that carries out broken step, the first actuator drives second broken
Roller rotation, the second breaker roll drive the rotation of the second belt wheel, and the second belt wheel drives first pulley rotation, and first pulley drives third band
Wheel rotation, third belt wheel drive the rotation of the 4th belt wheel, and the 4th belt wheel drives intermittent gear rotation, and intermittent gear drives the first rack gear
It moves left and right, the first rack drives first gear rotation, first gear drives the first vertical plate to be rotated down 90 degree, and piston is backward
Movement resets the first rack gear, and the magnet in storing space is poured into base, broken using the first breaker roll and second
Magnet is crushed powdering by the rotation of roller.
The cleaning device includes four the second rack gears for being fixed at base space inner wall, is respectively fixedly disposed at machine
Two vertical plates on seat space each end wall, the first rotation for being movably disposed between two vertical plates and being meshed with the second rack gear
Gear, the third vertical plate being respectively fixedly disposed on each end face of base, the limiting slot being arranged on third vertical plate, setting are limiting
Position slot on limit plate, be fixed at limit plate upper end and with first rotation gear be meshed special rack gear, cooperation shell,
The intracorporal adapted space of cooperation shell is set, the shaft that is rotatably arranged on adapted space lower end wall, is fixed at shaft appearance
Face and the second rotation gear, the limit shaft for being fixed at the first rotation gear lower end surface, fixation being meshed with special rack gear
The first electromagnet that first rotation gear lower end surface is set, the second electromagnet for being set in limit shaft outer surface, fixed setting
Extension spring between the first electromagnet and the second electromagnet, four circular holes that base space lower end wall is arranged in, setting exist
The material-dropping hole of base space lower end wall；
After broken process finishing base space carry out it is clean steps are as follows, by magnetic force by the first electromagnet and second after energization
Electromagnet mutually attracts, and drives second to rotate gear rotation and be moved forward and backward, the second rotary teeth by moving left and right for special rack gear
Item drives the second electromagnet rotation and is moved forward and backward, so that the inner wall to base space is cleared up, by the magnetic iron powder on inner wall
End adheres on the second electromagnet, powers off after cleaning out, and the second electromagnet and ferromagnetic powder can be fallen in circular hole, from circle
It is fallen under hole in rewinding case.
In conclusion the invention has the following advantages that this method is implemented simply, after capable of being crushed crusher machine to magnet
The magnet magnetic powder of crusher internal residual is cleared up, thus avoid magnet magnetic powder stayed in crusher for a long time aoxidized and
Pollute the magnetic powder processed next time.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is cross-sectional view at the A-A in Fig. 3；
Fig. 5 is sectional block diagram at the B-B in Fig. 3；
Fig. 6 is sectional block diagram at the C-C in Fig. 3；
Fig. 7 is cross-sectional view at the C-C in Fig. 3；
Fig. 8 is sectional block diagram at the D-D in Fig. 3；
Fig. 9 is sectional block diagram at the E-E in Fig. 3;
Figure 10 is partial enlarged view at the F in Fig. 9.
Specific embodiment
To achieve the goals above, the invention adopts the following technical scheme: a kind of Ru-Fe-Mn's powder process method, including with
Lower step:
A, raw material preparation and pretreatment: weighed, be crushed to raw material using bar cropper and ratary mixer, fracture and
Derusting；
B, melting: melting is carried out to pretreated raw material using vacuum melting furnace, Nd Fe B alloys is made；
C, hydrogen is quick-fried；It is quick-fried that hydrogen is carried out to the Nd Fe B alloys after melting using vacuum hydrogen treatment furnace.
D, powder powder processed: is broken into Nd Fe B alloys fragment of the hydrogen after quick-fried using magnet crusher；
The operation of the melting is vacuum will to be added after pretreated raw material praseodymium neodymium, pure iron, ferro-boron carry out ingredient to melt
High melt is carried out after in furnace.
The quick-fried operation of hydrogen is that Nd Fe B alloys are placed in vacuum hydrogen treatment furnace, and hydrogen enters alloy along Nd-rich phase thin layer,
It is allowed to expansion explosion and is crushed.
Vacuum melting furnace temperature when carrying out high melt is 800-1000 DEG C.
As Figure 1-10 shows, the magnet crusher in above-mentioned steps d includes base 1, the base being arranged in base 1 sky
Between, the first rotary shaft 2 for being rotatably arranged on base space left hand end wall, be fixed at the first of 2 outer surface of the first rotary shaft
Breaker roll 3, is fixed at 4 outer surface of the second rotary shaft at the second rotary shaft 4 for being rotatably arranged on base space left hand end wall
Second breaker roll 5, is fixed at 4 appearance of the second rotary shaft at the first pulley 6 for being fixed at 2 outer surface of the first rotary shaft
Second belt wheel 7 in face, is fixed at base 1 at the first conveyer belt 8 being sequentially connected between first pulley 6 and the second belt wheel 7
Right side and the first actuator 9 being connected with the second rotary shaft 4, are arranged in machine the cleaning device being arranged in base space
The blanking device of seat upper surface；The blanking device includes the support rod 10 for being fixed at 1 rear end face of base, is fixed at
Simultaneously the storing space of opening upwards, setting is arranged in storing shell 11 in storing shell in the storing shell 11 of 10 upper end of support rod
The discharge port of body front bulkhead, is fixed at the first transmission at the first transmission shaft 12 for being rotatably arranged on 11 left end wall of storing shell
First vertical plate 13 of 12 outer surface of axis, is fixed at second at the second vertical plate 14 for being fixed at 13 right side of the first vertical plate
5th vertical plate 15 of 14 right side of vertical plate, is fixed at the first company at the first connecting plate 16 for being fixed at 1 upper surface of base
The connection shell 17 of 16 upper end of fishplate bar, the gear space being arranged in connection shell 17 are rotatably arranged on 12 left side of the first transmission shaft
The first gear 18 at end, the stroke plate 23 for being fixed at gear space aft bulkhead, the T-type row that 23 lower surface of stroke plate is set
Journey slot, is fixed at 25 lower surface of T-type limited block at the T-type limited block 25 that can be arranged in movably forward and backward in T-type stroke groove
Stroke rack gear 26, the compression shell 100 for being fixed at gear space front bulkhead, the compression being arranged in compression shell 100 are empty
Between, the piston 101 that is arranged in compression space, be fixed at 101 rear end of piston and be connected with the front end face of stroke rack gear 26
The piston rod 102 that connects, the driving hole that gear space left end wall is set, the third transmission shaft being rotatably arranged in driving hole 27
28, be fixed at 28 right end of third transmission shaft and matched with stroke rack gear 26 intermittent gear 29, be fixed at third
The third belt wheel 30 of 28 left end of transmission shaft, the 4th belt wheel 31 for being fixed at 12 left end of the first transmission shaft, transmission connection are the
The second conveyer belt 32 between three belt wheels 30 and the 4th belt wheel 31 is respectively fixedly disposed at the first of 1 upper surface left and right sides of base
Stock 33, is fixed at 34 phase of the second stock at the second stock 34 for being fixed at the opposite one end end face of the first stock 33
Pair one end end face between the first blanking shell 35, be arranged in the first blanking shell 35 first shell space, fixation set
Set 35 lower surface of the first blanking shell two the second blanking shells 37, be arranged in two the second blanking shells 37 second
Shell space, multiple first wedge angles 38 for being fixed at two second shell spaces junction, described two second blanking shells
37 lower surface of body is fixedly installed respectively there are two third blanking shell 38, is provided with third shell in the third blanking shell 38
Space, the third shell space left hand end wall are fixedly installed multiple inclined plates 39, third shell space junction respectively
Multiple second wedge angles 39 are fixedly installed, when the first blanking shell 35, the second blanking shell 37 and third blanking shell 38 are connected
When connecing, first shell space, second shell space and third shell space are connected；Magnet is poured into base carry out it is broken
Steps are as follows, and the first actuator 9 starting, the first actuator 9 drives the rotation of the second breaker roll 5, and the second breaker roll 5 drives the second band
7 rotation of wheel, the second belt wheel 7 drive first pulley 6 to rotate, and first pulley 6 drives third belt wheel 30 to rotate, and third belt wheel 30 drives
The rotation of 4th belt wheel 31, the 4th belt wheel 31 drive intermittent gear 29 to rotate, and intermittent gear 29 drives the first rack gear 10 to move left and right,
First rack gear 10 drives first gear 18 to rotate, and first gear 18 drives the first vertical plate 13 to be rotated down 90 degree, and piston 101 is past
Movement resets the first rack gear 10 afterwards, and the magnet in storing space is poured into base, the first breaker roll 3 and second is utilized
Magnet is crushed powdering by the rotation of breaker roll 5；It can be by the rotation of the first breaker roll 3 and second broken 5 by belt wheel mechanism
It links with the first vertical plate 13, so that when breaker roll damage can not rotate, the first vertical plate 13 can not also rotate, to avoid
When breaker roll damage, magnet continues to fall into base, accumulates above base so as to avoid magnet when equipment damage
It is mostly at random to need manual sorting outside to equipment, to reduce the security risk of equipment；By by 1/4 appearance of intermittent gear 29
Be arranged on face it is with teeth, so as to by piston reset, thus allow for intermittent uniform blanking after falling some magnet,
So that damaged roller is blocked and is unable to run to avoid disposable blanking excessively, the upper surface in the second vertical plate and storing space is arranged
For inclined-plane, consequently facilitating magnet is slipped in base out of storing space, consequently facilitating the steady operation of equipment；Pass through gear
The cooperation of rack gear can reduce the gap between the second electromagnet and base space inner wall, so as to preferably will be on inner wall
Magnet magnetic powder is cleared up；It is carried out certainly while the second electromagnet capable of being allowed to be moved by the cooperation of two rack and pinions
It passes, to keep the cleaning efficiency of the device higher.
The cleaning device includes four the second rack gears 40 for being fixed at base space inner wall, is respectively fixedly disposed at
Two vertical plates 39 on each end wall of base space, for being movably disposed between two vertical plates 39 and being meshed with the second rack gear
One rotation gear 41, the third vertical plate 42 being respectively fixedly disposed on each end face of base 1, the limit being arranged on third vertical plate 42
Position slot, the limit plate 44 being arranged on limiting slot are fixed at 44 upper end of limit plate and are meshed with the first rotation gear 41
Special rack gear 45, to be fixed at cooperation shell 46 of the base 1 all around on four end faces, setting intracorporal in cooperation shell
Adapted space, the shaft 47 for being rotatably arranged on adapted space lower end wall, be fixed at 47 outer surface of shaft and with special rack gear
45 be meshed second rotation gear 48, be fixed at 41 lower end surface of the first rotation gear limit shaft 49, be fixed at
First electromagnet 50 of the first rotation 41 lower end surface of gear, the second electromagnet 51 for being set in 49 outer surface of limit shaft, fixation are set
Four circular holes set the extension spring 52 between the first electromagnet 50 and the second electromagnet 41, base space lower end wall is set
53, one end of material-dropping hole 55, each second rack gear that base space lower end wall is arranged in is fixedly connected with base space, separately
One end is connected with the side wall of another the second rack gear, and four the second rack gears are circumferentially arranged；Base is empty after broken process finishing
Between carry out it is clean steps are as follows, the first electromagnet 50 is mutually attracted after energization by magnetic force with the second electromagnet 41, passes through spy
Different rack gear 45 moves left and right the second rotation 48 rotation of gear of drive and is moved forward and backward, and the second rotated rack 48 drives the second electromagnetism
41 rotation of iron is simultaneously moved forward and backward, so that the inner wall to base space is cleared up, the ferromagnetic powder on inner wall is adhered to second
It on electromagnet, is powered off after cleaning out, the second electromagnet and ferromagnetic powder can be fallen in circular hole 53, be fallen under circular hole 53
In rewinding case；When magnet magnetic powder is only adhered to a part of the second electromagnet 41, the magnetic force of the second electromagnet part can be by
It is decrescence weak and can not continue adhere to magnet magnetic powder, by the second electromagnet 41 be moved forward and backward while carry out rotation can be by magnet
Magnetic powder is adhered to the entire outer surface of the second electromagnet 41, reduces magnet magnetic powder in the residual rate of equipment, to avoid electromagnetism magnetic
Powder, which remains in base space, occurs the magnetic powder that oxidation is processed next time to pollution；By the way that the lower end wall of base space is arranged
For inclined-plane, so as to allow magnet magnetic powder to be slipped in material-dropping hole 55 by inclined hole.
Side is fixedly installed the opposite one end end face of two bottom plates 56, two bottom plate 56 before and after the lower surface of the base 1
Two grooves are provided with, the rewinding case 57 in two grooves can be slidingly set；When the magnet magnetic powder in rewinding case 57 piles with
After in rewinding case 57, rewinding case 57 can be taken out into equipment, equipment is put back to after the magnet magnetic powder in rewinding case 57 is taken out and is carried out
Magnetic powder preparation next time.
The front/rear end of the base 1 is fixedly installed two faggings 53 respectively, and 53 upper surface of fagging rotates respectively to be set
It is equipped with pulley shaft 54, is fixedly installed the first rotation belt wheel 55 and the second rotation belt wheel on 54 outer surface of pulley shaft respectively
56, the outer surface of the shaft 47 is fixedly installed third rotation belt wheel 57 and the 4th rotation belt wheel 58, first rotation respectively
Turn to be sequentially connected with the first rotating belt 59 between belt wheel 55 and third rotation belt wheel 57, the second rotation belt wheel 56 and the 4th
Be sequentially connected with the second rotating belt 60 between rotation belt wheel 58, the front end face adapted space lower end wall be fixedly installed one with
The second actuator 61 that shaft 47 matches；The first rotation belt wheel 55 rotation, the first rotation band are driven by the second actuator 61
Wheel 55 drives third rotation belt wheel 57 to rotate, and third rotates belt wheel 57 and the second rotation belt wheel 56 is driven to rotate, the second rotation belt wheel
56 drive the 4th rotation belt wheel 58 to rotate.
The special rack gear 45 is that both ends of the surface are both provided with tooth.
First actuator 9, the second actuator 61 not only refer to a kind of motor, can also be the second rotation of drive
The driving device that shaft 4, shaft 47 rotate, is also possible to manual actuation.
First electromagnet 50, the second electromagnet 41 need to customize in factory.
Working principle: broken step carried out to Nd Fe B alloys fragment using magnet crusher as follows, the first actuator 9
Starting, the first actuator 9 drives the rotation of the second breaker roll 5, while the second breaker roll 5 drives the rotation of the second belt wheel 7, the second belt wheel
7 drive first pulley 6 to rotate, and first pulley 6 drives the rotation of the first breaker roll 3, and first pulley 6 starts blanking device, will place
Nd Fe B alloys fragment in blanking device pours into base 1, using the first breaker roll 3 and the second breaker roll 5 by neodymium iron boron
Alloy fragment is broken into magnet magnetic powder, and cleaning device starts after being crushed, and cleans to the residual magnetic powder in base space；
Magnet pours into base to carry out broken step as follows, the first actuator 9 starting, the first actuator 9 drives the second breaker roll 5
Rotation, the second breaker roll 5 drive the rotation of the second belt wheel 7, and the second belt wheel 7 drives first pulley 6 to rotate, and first pulley 6 drives the
The rotation of three belt wheels 30, third belt wheel 30 drive the rotation of the 4th belt wheel 31, and the 4th belt wheel 31 drives intermittent gear 29 to rotate, interval tooth
29 the first rack gear 10 of drive of wheel moves left and right, and the first rack gear 10 drives first gear 18 to rotate, and the drive of first gear 18 first is vertical
Plate 13 is rotated down 90 degree, and movement resets the first rack gear 10 to piston 101 backward, and the magnet in storing space is poured into
In base, magnet is crushed powdering using the rotation of the first breaker roll 3 and the second breaker roll 5, passes through 61 band of the second actuator
Dynamic first rotation belt wheel 55 rotation, the first rotation belt wheel 55 drive third rotation belt wheel 57 to rotate, and third rotates belt wheel 57 and drives
Second rotation belt wheel 56 rotates, and the second rotation belt wheel 56 drives the 4th rotation belt wheel 58 to rotate, and base is empty after being crushed process finishing
Between carry out it is clean steps are as follows, the first electromagnet 50 is mutually attracted after energization by magnetic force with the second electromagnet 41, passes through spy
Different rack gear 45 moves left and right the second rotation 48 rotation of gear of drive and is moved forward and backward, and the second rotated rack 48 drives the second electromagnetism
41 rotation of iron is simultaneously moved forward and backward, so that the inner wall to base space is cleared up, the ferromagnetic powder on inner wall is adhered to second
It on electromagnet, is powered off after cleaning out, the second electromagnet and ferromagnetic powder can be fallen in circular hole 53, be fallen under circular hole 53
In rewinding case.
Claims (6)
1. a kind of neodymium iron boron powder process method, which comprises the following steps:
A, raw material preparation and pretreatment: weighed, be crushed to raw material using bar cropper and ratary mixer, fracture and
Derusting；
B, melting: melting is carried out to pretreated raw material using vacuum melting furnace, Nd Fe B alloys is made；
C, hydrogen is quick-fried；It is quick-fried that hydrogen is carried out to the Nd Fe B alloys after melting using vacuum hydrogen treatment furnace；
D, powder powder processed: is broken into Nd Fe B alloys fragment of the hydrogen after quick-fried using magnet crusher；
Magnet crusher in above-mentioned steps d includes base (1), the base space being arranged in base (1), is rotatably arranged on machine
The first rotary shaft (2) of seat space left hand end wall, turns the first breaker roll (3) for being fixed at the first rotary shaft (2) outer surface
Dynamic the second rotary shaft (4) that base space left hand end wall is arranged in is fixed at the second broken of the second rotary shaft (4) outer surface
Broken roller (5), is fixed at the second rotary shaft (4) outside at the first pulley (6) for being fixed at the first rotary shaft (2) outer surface
Second belt wheel (7) on surface, is fixed the first conveyer belt (8) being sequentially connected between first pulley (6) and the second belt wheel (7)
Be arranged base (1) right side and be connected with the second rotary shaft (4) the first actuator (9), be arranged in base space
Cleaning device, the blanking device that frame upper surface is set；The blanking device includes being fixed at base (1) rear end face
Support rod (10), the storing shell (11) for being fixed at support rod (10) upper end；
It is as follows that broken step carried out to Nd Fe B alloys fragment using magnet crusher, the first actuator (9) starting, first drives
Moving part (9) drives the second breaker roll (5) rotation, while the second breaker roll (5) drives the second belt wheel (7) rotation, the second belt wheel (7)
First pulley (6) rotation is driven, first pulley (6) drives the first breaker roll (3) rotation, and first pulley (6) starts blanking device,
The Nd Fe B alloys fragment being placed in blanking device is poured into base (1), the first breaker roll (3) and the second breaker roll are utilized
(5) Nd Fe B alloys fragment is broken into magnet magnetic powder, cleaning device starts after being crushed, to the residual magnetic in base space
Powder is cleaned.
2. a kind of Ru-Fe-Mn's powder process method according to claim 1, it is characterised in that: the operation of the melting is will to pass through
Rear progress high melt in vacuum melting furnace is added after carrying out ingredient in pretreated raw material praseodymium neodymium, pure iron, ferro-boron.
3. a kind of Ru-Fe-Mn's powder process method according to claim 1, it is characterised in that: the quick-fried operation of hydrogen is by neodymium iron boron
Alloy is placed in vacuum hydrogen treatment furnace, and hydrogen enters alloy along Nd-rich phase thin layer.
4. a kind of Ru-Fe-Mn's powder process method according to claim 1, it is characterised in that: the vacuum melting furnace is carrying out height
Temperature is 800-1000 DEG C when warm melting.
5. a kind of Ru-Fe-Mn's powder process method according to claim 1, it is characterised in that: the blanking device includes that setting exists
In storing shell (11) and the storing space of opening upwards, is rotatably arranged on storage at the discharge port that storing housing forward end wall is arranged in
The first transmission shaft (12) of material shell body (11) left end wall, the first vertical plate for being fixed at the first transmission shaft (12) outer surface
(13), it is fixed at second vertical plate (14) of the first vertical plate (13) right side, is fixed at the second vertical plate (14) right side
The 5th vertical plate (15), connection shell (17), setting connection shell (17) in gear space, be rotatably arranged on the first transmission
The first gear (18) of axis (12) left end, stroke rack gear (26), is consolidated the stroke plate (23) for being fixed at gear space aft bulkhead
The compression shell (100) that gear space front bulkhead is arranged in calmly, the compression space being arranged in compression shell (100), setting exist
Piston (101) in compression space is fixed at piston (101) rear end and is connected with the front end face of stroke rack gear (26)
Piston rod (102), the driving hole that gear space left end wall is set, the third transmission shaft being rotatably arranged in driving hole (27)
(28), be fixed at third transmission shaft (28) right end and matched with stroke rack gear (26) intermittent gear (29), fixation set
Set third transmission shaft (28) left end third belt wheel (30), be fixed at the 4th belt wheel of the first transmission shaft (12) left end
(31), second conveyer belt (32), first blanking shell of the transmission connection between third belt wheel (30) and the 4th belt wheel (31)
(35), first shell space in the first blanking shell (35) is set, is fixed at first blanking shell (35) lower surface
Two the second blanking shells (37), second shell space in two the second blanking shells (37) is set, is fixed at
Multiple first wedge angles (38) of two second shell spaces junction；
Magnet pours into base to as follows, the first actuator (9) starting that carries out broken step, the first actuator (9) drives the
Sledging roller (5) rotation, the second breaker roll (5) drive the second belt wheel (7) rotation, and the second belt wheel (7) drives first pulley (6) rotation
Turn, first pulley (6) drives third belt wheel (30) rotation, and third belt wheel (30) drives the rotation of the 4th belt wheel (31), the 4th belt wheel
(31) intermittent gear (29) rotation is driven, intermittent gear (29) drives the first rack gear (10) to move left and right, the first rack gear (10) band
Dynamic first gear (18) rotation, first gear (18) drive the first vertical plate (13) to be rotated down 90 degree, and piston (101) is past to be moved back
It is dynamic that first rack gear (10) is resetted, the magnet in storing space is poured into base, the first breaker roll (3) and second are utilized
Magnet is crushed powdering by the rotation of breaker roll (5).
6. a kind of Ru-Fe-Mn's powder process method according to claim 1, it is characterised in that: the cleaning device includes that fixation is set
Set four the second rack gears (40) in base space inner wall, two vertical plates being respectively fixedly disposed on each end wall of base space
(39), the first rotation gear (41), solid respectively for being movably disposed between two vertical plates (39) and being meshed with the second rack gear
The fixed third vertical plate (42) being arranged on base (1) each end face, the limiting slot being arranged on third vertical plate (42), setting are limiting
Limit plate (44) on the slot of position, be fixed at limit plate (44) upper end and with first rotation gear (41) special tooth for being meshed
Item (45), the shaft that cooperation shell (46), the intracorporal adapted space of cooperation shell is set, is rotatably arranged on adapted space lower end wall
(47), it is fixed at shaft (47) outer surface and the second rotation gear (48), the fixation being meshed with special rack gear (45) is set
Set first rotation gear (41) lower end surface limit shaft (49), be fixed at the first of first rotation gear (41) lower end surface
Electromagnet (50), the second electromagnet (51) for being set in limit shaft (49) outer surface, be fixed at the first electromagnet (50) with
Extension spring (52) between second electromagnet (41), is arranged in machine four circular holes (53) that base space lower end wall is arranged in
The material-dropping hole (55) of seat space lower end wall；
After broken process finishing base space carry out it is clean steps are as follows, after energization by magnetic force by the first electromagnet (50) and
Second electromagnet (41) mutually attracts, and moves left and right the second rotation gear (48) rotation of drive and front and back by special rack gear (45)
Mobile, the second rotated rack (48) drives (41) rotation of the second electromagnet to be simultaneously moved forward and backward, thus to the inner wall of base space into
Row cleaning, the ferromagnetic powder on inner wall is adhered on the second electromagnet, is powered off after cleaning out, the second electromagnet and magnet
Powder can be fallen in circular hole (53), be fallen in rewinding case under circular hole (53).
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| CN112873041A (en) * | 2021-01-11 | 2021-06-01 | 杨利琴 | Neodymium iron boron processing system and neodymium iron boron processing method |
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