CN208374215U - A kind of airflow milling of sintered Nd-Fe-B permanent magnetic material - Google Patents
A kind of airflow milling of sintered Nd-Fe-B permanent magnetic material Download PDFInfo
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- CN208374215U CN208374215U CN201821034210.2U CN201821034210U CN208374215U CN 208374215 U CN208374215 U CN 208374215U CN 201821034210 U CN201821034210 U CN 201821034210U CN 208374215 U CN208374215 U CN 208374215U
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- Prior art keywords
- storage room
- nitrogen
- outlet
- crushing chamber
- sintered
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 29
- 239000000696 magnetic material Substances 0.000 title claims abstract description 20
- 238000003801 milling Methods 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 98
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 44
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a kind of airflow millings of sintered Nd-Fe-B permanent magnetic material, including storage room, crushing chamber, nitrogen preparing device and air compression plant, the top of storage room is equipped with feed opening, two sides inside storage room are equipped with electromagnetism sliding slot, storing plate is equipped with by sliding block on electromagnetism sliding slot, nitrogen preparing device is connected to by pipeline with storage room, and the top of storage room interior side is arranged in the outlet of pipeline, the lower section of storage room side is equipped with nitrogen outlet, and the top of nitrogen outlet is equipped with nitrogen detection device；The utility model can guarantee that material remains in nitrogen package range, guarantee not oxidation by air, it can guarantee that storing indoor air is drained by nitrogen detection device, pass through first jet arranged clockwise, the setting of second nozzle arranged counterclockwise cooperation first outlet and second outlet position, two parts of materials can be made to carry out different directions high-speed rotation, increase the probability that collides with each other between material, greatly improve the crushing effect of material.
Description
Technical field
The utility model relates to Nd-Fe-B permanent magnet material processing equipment field more particularly to a kind of sintered NdFeB permanent magnet materials
The airflow milling of material.
Background technique
Neodymium-iron-boron magnetic material is referred to as " magnetic king " due to its excellent magnetic property, and neodymium iron boron has high magnetic energy
Long-pending and coercivity, while obtain Nd-Fe-B permanent magnet material in modern industry and electronic technology extensively
General application.
Neodymium-iron-boron magnetic material needs to apply to airflow milling during processing and manufacturing, the superfine powder applied to permanent-magnet material
Broken, airflow milling is to drive material to make high-speed motion in the air-flow of high speed, is material collision, and rubbing surface is crushed, is finally collected,
Neodymium-iron-boron magnetic material can aoxidize, the prior art is because of unique chemical property when contacting with the oxygen in air
By the way that nitrogen is added to keeping NdFeB material not oxidized, but since existing apparatus structure is relatively simple, material into
When entering storage room, some air are inevitably brought into, so that storing indoor oxygen can not drain, while traditional air-flow mill apparatus
In nozzle arrangement it is more single, neodymium-iron-boron magnetic material can not be crushed completely so that grinding time is longer, efficiency compared with
Low, crushing effect is not up to standard, therefore that the utility model proposes a kind of airflow millings of sintered Nd-Fe-B permanent magnetic material is existing to solve
Deficiency present in technology.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material, the sintering neodymium iron
The airflow milling of B permanent magnetic material can guarantee that material remains in nitrogen package range, guarantee not oxidation by air, pass through
Nitrogen detection device can guarantee that storing indoor air is drained, to improve the processing crushing matter that Nd-Fe-B permanent magnet material is added
Amount；By first jet arranged clockwise, second nozzle arranged counterclockwise cooperates the setting of first outlet and second outlet position,
Two parts of materials can be made to carry out different directions high-speed rotation, increase the probability that collides with each other between material, greatly improve material
Crushing effect.
The utility model proposes a kind of airflow millings of sintered Nd-Fe-B permanent magnetic material, including storage room, crushing chamber, nitrogen system
Standby device and air compression plant, the top of the storage room are equipped with feed opening, and the two sides inside the storage room are sliding equipped with electromagnetism
Slot is equipped with storing plate by sliding block on the electromagnetism sliding slot, and the nitrogen preparing device is connected to by pipeline with storage room, and
The top of storage room interior side is arranged in the outlet of pipeline, and the lower section of the storage room side is equipped with nitrogen outlet, the nitrogen
The top of gas outlet is equipped with nitrogen detection device, is connected with oscillating feeder below the storage room, the oscillating feeder
Lower section is equipped with tee tube, and the first outlet of the tee tube be connected to the top of crushing chamber, the second outlet of the tee tube and
The side of crushing chamber is connected to, and the top on the inside of the crushing chamber is equipped with four groups of first jets clockwise, on the inside of the crushing chamber
Lower section is equipped with four groups of second nozzles counterclockwise, and the second outlet is arranged between first jet and second nozzle.
Further improvement lies in that: the top on the outside of the storage room is equipped with first annular pipe, and first jet described in four groups is equal
It is connected to first annular pipe, the lower section on the outside of the storage room is equipped with the second ring pipe, and second nozzle described in four groups is with second
Ring pipe connection, the nitrogen preparing device are connected to the input terminal of air compression plant, the output end of the air compression plant
It is connected to by pipeline with first annular pipe, the second ring pipe.
Further improvement lies in that: the top of the crushing chamber side is equipped with discharge pipe, the discharge pipe and crushing chamber
End be equipped with separation wheel, the other end of the discharge pipe is communicated with collecting box.
Further improvement lies in that: first jet described in four groups extends to plane where the lower end surface of crushing chamber, four groups of institutes
Second nozzle is stated to extend to plane where the upper surface of crushing chamber.
Further improvement lies in that: the bottom of the storing plate is equipped with electromagnetic valve.
Further improvement lies in that: the top of the feed inlet is equipped with sealing cover.
The utility model has the following beneficial effects: the storing plate inside the airflow milling storage room of the sintered Nd-Fe-B permanent magnetic material
It is slidably installed by electromagnetism sliding slot with storage room, nitrogen outlet is provided with nitrogen detection device, when material is added, due to nitrogen
Density ratio air it is small, the top of storage room can be gathered in, air can sink to lower section, as the amount of being discharged into of nitrogen is more, material
It can also add more, while can guarantee that material remains in nitrogen package range, guarantee not oxidation by air, pass through nitrogen
Gas detection device can guarantee that storing indoor air is drained, to improve the processing crushing matter that Nd-Fe-B permanent magnet material is added
Amount；By first jet arranged clockwise, second nozzle arranged counterclockwise cooperates the setting of first outlet and second outlet position,
Material can be made to be drained between first jet and second nozzle from two different outlets, so that two parts of materials is carried out different directions high
Speed rotation, increases the probability that collides with each other between material, the crushing effect of material is greatly improved, to improve neodymium iron boron material
Expect the performance of product.
Detailed description of the invention
Fig. 1 is the utility model main view.
Fig. 2 is that the utility model first jet installs schematic top plan view.
Fig. 3 is that the utility model second nozzle installs schematic top plan view.
Wherein: 1- storage room, 2- crushing chamber, 3- nitrogen preparing device, 4- air compression plant, 5- feed opening, 6- electromagnetism are sliding
Slot, 7- storing plate, 8- nitrogen outlet, 9- nitrogen detection device, 10- oscillating feeder, 11- tee tube, 12- first outlet, 13-
Second outlet, 14- first jet, 15- second nozzle, the first annular pipe of 16-, the second ring pipe of 17-, 18- discharge pipe, 19-
Separation wheel, 20- collecting box, 21- electromagnetic valve, 22- sealing cover.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is further described below in conjunction with embodiment,
The present embodiment is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
According to Fig. 1,2,3, the present embodiment proposes a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material, including storage room
1, the top of crushing chamber 2, nitrogen preparing device 3 and air compression plant 4, the storage room 1 is equipped with feed opening 5, the storage room 1
Internal two sides are equipped with electromagnetism sliding slot 6, are equipped with storing plate 7, the nitrogen preparing device 3 by sliding block on the electromagnetism sliding slot 6
It is connected to by pipeline with storage room 1, and the top of 1 interior side of storage room, the storage room 1 one is arranged in the outlet of pipeline
The lower section of side is equipped with nitrogen outlet 8, and the top of the nitrogen outlet 8 is equipped with nitrogen detection device 9, connects below the storage room 1
It is connected to oscillating feeder 10, the lower section of the oscillating feeder 10 is equipped with tee tube 11, the first outlet 12 of the tee tube 11
It is connected to the top of crushing chamber 2, the second outlet 13 of the tee tube 11 is connected to the side of crushing chamber 2, in the crushing chamber 2
The top of side is equipped with four groups of first jets 14 clockwise, and the lower section of 2 inside of crushing chamber is equipped with four groups of second nozzles counterclockwise
15, the second outlet 13 is arranged between first jet 13 and second nozzle 14, and the top in 1 outside of storage room is equipped with the
One ring pipe 16, first jet 14 described in four groups are connected to first annular pipe 16, and the lower section in 1 outside of the storage room is equipped with the
Second ring pipe 17, second nozzle 15 described in four groups are connected to the second ring pipe 17, and the nitrogen preparing device 3 is filled with air compression
4 input terminal connection is set, the output end of the air compression plant 4 passes through pipeline and first annular pipe 16, the second ring pipe
The top of 17 connections, 2 side of crushing chamber is equipped with discharge pipe 18, and the end of the discharge pipe 18 and crushing chamber 2 is equipped with
Separation wheel 19, the other end of the discharge pipe 18 are communicated with collecting box 20, and first jet 13 described in four groups is to crushing chamber 2
Plane extends where lower end surface, and second nozzle 14 described in four groups extends to plane where the upper surface of crushing chamber 2, the storing
The bottom of plate 7 is equipped with electromagnetic valve 21, and the top of the feed inlet 5 is equipped with sealing cover 22.
Storing plate 7 inside the airflow milling storage room 1 of the sintered Nd-Fe-B permanent magnetic material passes through electromagnetism sliding slot 11 and storage
Room 1 is slidably installed, and nitrogen outlet 8 is provided with nitrogen detection device 9, when material is added, since the density ratio air of nitrogen is small,
It can be gathered in the top of storage room, air can sink to lower section, and as the amount of being discharged into of nitrogen is more, material can also be added more, together
When can guarantee that material remains in nitrogen package range, guarantee not oxidation by air, can be with by nitrogen detection device 9
Guarantee that the air in storage room 1 is drained, to improve the processing crushing quality that Nd-Fe-B permanent magnet material is added；Pass through first jet
14 arranged clockwises, 15 arranged counterclockwise of second nozzle cooperate the setting of first outlet 12 and 13 position of second outlet, can make
Material is drained between first jet 14 and second nozzle 15 from two different outlets, and two parts of materials is made to carry out different directions high speed
Rotation increases the probability that collides with each other between material, the crushing effect of material is greatly improved, to improve NdFeB material
The performance of product.
In use, being also followed by by nitrogen preparing device 3 and being added in storage room 1 when to material is added in storage room 1
Nitrogen, when material be added it is more and more, nitrogen is also added more and more, guarantor while storing plate 7 moves down accordingly
Exhibit material is wrapped in always in the location of nitrogen, while the air in storage room 1 is discharged from nitrogen outlet 8, works as nitrogen
When detection device has detected nitrogen discharge, then the air inside storage room 1 is drained, at this moment opens electromagnetic valve 22, object
Material is sent by oscillating feeder 10 to tight tee tube 11, and material divides after being divided into two parts from first outlet 12 and second outlet 13
Not gone out, opens simultaneously air compressor 4, swiftly flowing nitrogen is sprayed from first jet 14 and second nozzle 15 respectively,
By the setting of 15 arranged counterclockwise of 14 arranged clockwise of first jet and second nozzle, two parts of material high-speed is driven inversely to touch
It hits, is extended through plane where first jet 13 to the lower end surface of crushing chamber 2, second nozzle 14 is to the upper surface of crushing chamber 2 institute
In the setting that plane extends, material can be remained in the mutual collision of Non-intermittent, finally smashed material is from discharging
Pipeline 18 is expelled in collecting box 20 and is collected.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (6)
1. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material, it is characterised in that: including storage room (1), crushing chamber (2), nitrogen
The top of preparing device (3) and air compression plant (4), the storage room (1) is equipped with feed opening (5), and the storage room (1) is internal
Two sides be equipped with electromagnetism sliding slot (6), be equipped with storing plate (7) by sliding block on the electromagnetism sliding slot (6), the nitrogen preparing device
(3) it is connected to by pipeline with storage room (1), and the outlet of pipeline is arranged in the top of storage room (1) interior side, the storage
The lower section for depositing room (1) side is equipped with nitrogen outlet (8), and the top of the nitrogen outlet (8) is equipped with nitrogen detection device (9), institute
It states and is connected with oscillating feeder (10) below storage room (1), the lower section of the oscillating feeder (10) is equipped with tee tube (11), institute
The first outlet (12) for stating tee tube (11) is connected to the top of crushing chamber (2), the second outlet (13) of the tee tube (11)
It is connected to the side of crushing chamber (2), the top on the inside of the crushing chamber (2) is equipped with four groups of first jets (14) clockwise, described
Lower section on the inside of crushing chamber (2) is equipped with four groups of second nozzles (15) counterclockwise, and the second outlet (13) is arranged in first jet
(14) between second nozzle (15).
2. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material according to claim 1, it is characterised in that: the storage room
(1) top on the outside of is equipped with first annular pipe (16), and first jet described in four groups (14) is connected to first annular pipe (16), institute
State lower section on the outside of storage room (1) and be equipped with the second ring pipe (17), second nozzle described in four groups (15) with the second ring pipe
(17) it is connected to, the nitrogen preparing device (3) is connected to the input terminal of air compression plant (4), the air compression plant (4)
Output end passes through pipeline and is connected to first annular pipe (16), the second ring pipe (17).
3. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material according to claim 1, it is characterised in that: the crushing chamber
(2) top of side is equipped with discharge pipe (18), and the end of the discharge pipe (18) and crushing chamber (2) is equipped with separation wheel
(19), the other end of the discharge pipe (18) is communicated with collecting box (20).
4. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material according to claim 1, it is characterised in that: described in four groups
One nozzle (14) extends to plane where the lower end surface of crushing chamber (2), and second nozzle described in four groups (15) is to crushing chamber (2)
Upper surface where plane extend.
5. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material according to claim 1, it is characterised in that: the storing plate
(7) bottom is equipped with electromagnetic valve (21).
6. a kind of airflow milling of sintered Nd-Fe-B permanent magnetic material according to claim 1, it is characterised in that: the feed opening
(5) top is equipped with sealing cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034210.2U CN208374215U (en) | 2018-07-02 | 2018-07-02 | A kind of airflow milling of sintered Nd-Fe-B permanent magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034210.2U CN208374215U (en) | 2018-07-02 | 2018-07-02 | A kind of airflow milling of sintered Nd-Fe-B permanent magnetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374215U true CN208374215U (en) | 2019-01-15 |
Family
ID=64965426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821034210.2U Expired - Fee Related CN208374215U (en) | 2018-07-02 | 2018-07-02 | A kind of airflow milling of sintered Nd-Fe-B permanent magnetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904634A (en) * | 2022-05-07 | 2022-08-16 | 浙江中科磁业股份有限公司 | Neodymium iron boron magnetic steel processing system and method |
-
2018
- 2018-07-02 CN CN201821034210.2U patent/CN208374215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904634A (en) * | 2022-05-07 | 2022-08-16 | 浙江中科磁业股份有限公司 | Neodymium iron boron magnetic steel processing system and method |
| CN114904634B (en) * | 2022-05-07 | 2022-12-02 | 浙江中科磁业股份有限公司 | Neodymium iron boron magnetic steel processing system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |