CN206300503U - Magnet sintering graphite magazine and processing unit - Google Patents
Magnet sintering graphite magazine and processing unit Download PDFInfo
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- CN206300503U CN206300503U CN201621444465.7U CN201621444465U CN206300503U CN 206300503 U CN206300503 U CN 206300503U CN 201621444465 U CN201621444465 U CN 201621444465U CN 206300503 U CN206300503 U CN 206300503U
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- magazine
- graphite
- graphite magazine
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Abstract
The utility model discloses a kind of magnet sintering graphite magazine and processing unit.Described graphite magazine includes framework, the first bottom and the second bottom that multiple sides wall is surrounded；The framework and the first bottom surround cavity, and it is used to place material to be sintered；First bottom and the second bottom are set to the two can be brought into close contact；Second bottom is arranged on the lower section of the first bottom can freely extract ground mode；Multiple stomatas are provided with first bottom, stomata is then not provided with the second bottom.Using graphite magazine of the present utility model, it is not necessary to which conversion bins can be carried out temper after high temperature sintering, it is possible to realize that Quick uniform is cooled down.
Description
Technical field
The utility model is related to a kind of magnet sintering graphite magazine and processing unit, especially a kind of neodymium iron boron magnetic body sintering
Graphite magazine and processing unit.
Background technology
Neodymium iron boron magnetic body is very important industrial raw materials, and it can be used for field of audio, machine field, computer neck
Domain etc..The preparation technology of neodymium iron boron magnetic body includes sintering process and mull technique.Generally, it is considered that the neodymium iron boron magnetic body that sintering process is obtained
Can be more excellent.
In order to further improve the performance of neodymium iron boron magnetic body, its sintering process generally includes high temperature sintering and temper two
Procedure.The sintering process of neodymium iron boron magnetic body is generally carried out in vacuum sintering furnace.Neodymium iron boron magnetic body raw material is placed in graphite material
In box, by the closing of graphite magazine, it is subsequently placed in vacuum sintering furnace and is sintered.The neodymium iron boron magnetic body blank obtained by isostatic pressed
Rising with temperature in high-temperature sintering process can discharge gas, and this requires that graphite magazine has preferable sealing,
To prevent from being again introduced into box producing oxidation to material by the gas overflowed in graphite magazine., it is necessary to thing after sintering completion
Material carries out temper.Quick uniform cooling is conducive to obtaining the magnet that uniformity is good and performance is high.But, due to traditional stone
Ink box good airproof performance, it is impossible to meet the requirement of Quick uniform cooling.It is thus typically necessary to the material of high temperature is poured into hole
Magazine in quickly cooled down.Therefore, traditional sintering process technological process is more long, processing safety is not high.
Therefore, in the urgent need to a kind of graphite magazine, it need not can be carried out tempering by conversion bins after high temperature sintering
Treatment, it is possible to realize that Quick uniform is cooled down.
Utility model content
In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of magnet sintering graphite magazine,
It need not can be carried out temper by conversion bins after high temperature sintering, it is possible to realize that Quick uniform is cooled down.This practicality
Another new purpose is to provide a kind of magnet processing unit, its technological process that can shorten sintering process, operation peace
Full property is significantly improved.
The utility model is adopted the following technical scheme that realizes above-mentioned purpose.
The utility model provides a kind of magnet sintering graphite magazine, and it includes framework, the first bottom that multiple side walls are surrounded
With the second bottom；The framework and the first bottom surround cavity, and it is used to place material to be sintered；First bottom and the second bottom
Being set to the two can be brought into close contact；Second bottom is arranged on the lower section of the first bottom can freely extract ground mode；First
Multiple stomatas are provided with bottom, stomata is then not provided with the second bottom.
According to graphite magazine of the present utility model, it is preferable that the graphite magazine also includes magazine lid, it is arranged on described
The top of framework, for the cavity to be closed.
In the utility model, the shape of framework is not particularly limited, and can be rectangle, square or other shapes
Shape, preferably rectangle.Framework, the first bottom and magazine lid surround the cavity for placing material to be sintered.When the second bottom
When being brought into close contact with the first bottom, the stomata of the first bottom is plugged, and whole device is fully closed, and is so conducive to high temperature to burn
Knot process.After the second bottom is extracted from below the first bottom, the stomatal opening of the first bottom, whole device is in and opens
State is put, the gas in vacuum sintering furnace can be circulated by the stomata in graphite material cassette bottom portion into the inside of graphite magazine,
The material Quick uniform after high temperature sintering is so conducive to cool down (temper).
According to graphite magazine of the present utility model, it is preferable that the stomata is evenly distributed on the first bottom.It is so favourable
The magnet material uniform decrease in temperature in temper operation.According to graphite magazine of the present utility model, it is preferable that the stomata point
Cloth density is 1~10/1000mm2, it is highly preferred that the distribution density of the stomata is 1~3/1000mm2.By dividing for stomata
Cloth density domination is conducive to the material after sintering to lower the temperature with suitable rate of temperature fall, so as to improve neodymium-iron-boron in above range
The performance of body.
According to graphite magazine of the present utility model, it is preferable that a diameter of 3~10mm of the stomata, preferably 5~8mm.
Material to be sintered can be so avoided to be spilt from stomata, while ensure that the material after sintering is lowered the temperature with suitable rate of temperature fall,
So as to improve the performance of neodymium iron boron magnetic body.
According to graphite magazine of the present utility model, it is preferable that the framework is being provided with card below the first bottom
Groove, the second bottom is configured to be extracted along the draw-in groove.Such sealing being provided with beneficial to whole graphite magazine.
According to graphite magazine of the present utility model, it is preferable that the framework is by the first side wall, second sidewall, the 3rd side wall
Enclosed with the 4th side wall and formed；The first side wall and second sidewall are parallel to each other, and the 3rd side wall and the 4th side wall are parallel to each other.Root
According to graphite magazine of the present utility model, it is preferable that the first side wall is being provided with the first draw-in groove, second below the first bottom
Side wall is being provided with the second draw-in groove, the first draw-in groove and the mutual cooperation of the second draw-in groove below the first bottom so that the second bottom
Layer can be extracted along the first draw-in groove and the second draw-in groove.It is such that the sealing for being more beneficial for whole graphite magazine is set.
The utility model also provides a kind of magnet processing unit, and described processing unit includes magazine lid and multiple stackings
The above-mentioned graphite magazine for setting, the magazine lid is arranged on the top of the graphite magazine of the superiors, and it is used for described treatment
Device is closed.In the utility model, the quantity of graphite magazine can be 5~10 layers, preferably 6~7 layers.By these graphite materials
Box stacking is placed, and magazine lid is placed in the top of the graphite magazine of the superiors, so as to whole device be sealed.
Graphite magazine of the present utility model can freely realize the freedom of sealing and open state using the structure of double bottom
Conversion.When needing completely closed, will not have leachy second bottom to insert；When needing to open, the second bottom is extracted.
Therefore, device of the present utility model need not can be carried out temper by conversion bins after high temperature sintering, it is possible to realize
Quick uniform is cooled down.Additionally, processing unit of the present utility model can shorten the technological process of sintering process, processing safety is obtained
To significantly improving.
Brief description of the drawings
Fig. 1 is a kind of structural representation of graphite magazine of the present utility model.
Fig. 2 is the structural representation of magnet processing unit of the present utility model.
Description of reference numerals is as follows：
1- frameworks, the bottoms of 2- first, the side walls of 3- the 3rd, the side walls of 4- the 4th, 5- the first side walls, 6- second sidewalls, 7- second
Bottom, 8- stomatas.
Specific embodiment
The utility model is further described with reference to specific embodiment, but protection domain of the present utility model is simultaneously
Not limited to this.
Embodiment 1
Fig. 1 is a kind of structural representation of magnet sintering graphite magazine of the present utility model.As shown in figure 1, this practicality is new
The magnet sintering graphite magazine of type includes framework 1, the first bottom 2 and the second bottom 7.Framework 1 is rectangle.Framework 1 and first
Bottom 2 surrounds cavity, can place material to be sintered.The graphite magazine also includes magazine lid (not shown), is arranged on framework 1
Top.The magazine lid can close the cavity.
As shown in figure 1, framework 1 is enclosed and formed by the first side wall 5, second sidewall 6, the 3rd side wall 3 and the 4th side wall 4.The
Side wall 5 and second sidewall 6 are parallel to each other, and the 3rd side wall 3 and the 4th side wall 4 are parallel to each other.The first side wall 5 is near the first bottom
The lower section of layer 2 is provided with the first draw-in groove (not shown), and second sidewall 6 is provided with the second draw-in groove in the lower section near the first bottom 2
(not shown), the first draw-in groove and the second draw-in groove cooperate, and the second bottom 7 can be extracted along the first draw-in groove and the second draw-in groove.
First bottom 2 and the second bottom 7 are brought into close contact, and the second bottom 7 is arranged on the lower section of the first bottom 2, and it can be from the first bottom 2
Lower section freely extracted along the first draw-in groove and the second draw-in groove.It is provided with stomata 8 on first bottom 2, a diameter of 5mm of stomata 8,
Distribution density is 1.5/1000mm2.Stomata is then not provided with second bottom 7.
Embodiment 2
Fig. 2 is the structural representation of magnet processing unit of the present utility model.By the magnet sintering graphite magazine of embodiment 1
Remove magazine lid, then from top to bottom stack gradually together, 6 layers altogether；Then put above the graphite magazine of the superiors
A magazine lid is put, so as to whole device be sealed, processing unit of the present utility model is formed.
The application method of the graphite magazine of embodiment introduced below 1 and the processing unit of embodiment 2：
Material to be sintered is placed on the first bottom 2, and in framework 1.Will be equipped with 6 graphite materials of material to be sintered
Box is stacked together, then installs a magazine lid additional.Second bottom 7 is inserted the lower section of the first bottom 2, the two is brought into close contact,
So as to stomata 8 be blocked, whole device is fully closed.High temperature sintering is carried out in vacuum sintering furnace, 4 is sintered at 1050 DEG C small
When.After the completion of sintering, the second bottom 7 is extracted into (time-consuming 5 minutes) from the lower section of the first bottom 2, stomata 8 is opened, whole
Individual device is in open state, then temper 2 hours at 910 DEG C, then temper 4 hours at 500 DEG C, so as to obtain
To neodymium iron boron magnetic body (38H).NIM-10000H block rare earth permanent magnetism nondestructive measurement instruments using China National Measuring Science Research Inst. are entered
Row performance test, as a result referring to table 1.
Comparative example 1
Traditional magnet sintering graphite magazine does not have leachy bottom including framework, magazine lid and one.By 6 stacking
The graphite magazine is used for the high temperature sintering of material to be sintered, is carried out in vacuum sintering furnace.The graphite material is taken out after the completion of sintering
, then be transferred to the material after sintering in the magazine with hole by box, to place into that carry out in vacuum sintering furnace temper (time-consuming
1 hour), so as to obtain neodymium iron boron magnetic body (38H), test result is referring to table 1.High temperature sintering, temper condition and embodiment 2
It is identical.
Table 1
As shown in Table 1, compared with comparative example 1, the performance using the graphite magazine gained neodymium iron boron magnetic body of embodiment 1 slightly has
Improve.Additionally, reducing process flow using the graphite magazine of embodiment 1, the time has been saved.
The utility model is not limited to above-mentioned implementation method, in the case of without departing substantially from substance of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within scope of the present utility model.
Claims (10)
1. a kind of magnet sintering graphite magazine, it is characterised in that described graphite magazine includes the framework that multiple sides wall surrounds, the
One bottom and the second bottom；The framework and the first bottom surround cavity, and it is used to place material to be sintered；First bottom and
Two bottoms are set to the two can be brought into close contact；Second bottom is arranged under the first bottom with can freely extract ground mode
Side；Multiple stomatas are provided with first bottom, stomata is then not provided with the second bottom.
2. graphite magazine according to claim 1, it is characterised in that the stomata is evenly distributed on the first bottom.
3. graphite magazine according to claim 2, it is characterised in that the distribution density of the stomata is 1~10/
1000mm2。
4. graphite magazine according to claim 3, it is characterised in that the distribution density of the stomata is 1~3/
1000mm2。
5. graphite magazine according to claim 4, it is characterised in that a diameter of 3~10mm of the stomata.
6. graphite magazine according to claim 5, it is characterised in that the framework is set near the lower section of the first bottom
There is draw-in groove, the second bottom is configured to be extracted along the draw-in groove.
7. graphite magazine according to claim 5, it is characterised in that the framework is by the first side wall, second sidewall, the 3rd
Side wall and the 4th side wall are enclosed and formed；The first side wall and second sidewall are parallel to each other, and the 3rd side wall and the 4th side wall are mutually put down
OK.
8. graphite magazine according to claim 7, it is characterised in that the first side wall is set near the lower section of the first bottom
There is the first draw-in groove, second sidewall is being provided with the second draw-in groove below the first bottom, and the first draw-in groove and the second draw-in groove are mutual
Coordinate so that the second bottom can be extracted along the first draw-in groove and the second draw-in groove.
9. the graphite magazine according to any one of claim 1~8, it is characterised in that the graphite magazine also includes magazine
Lid, its top for being arranged on the framework, for the cavity to be closed.
10. a kind of magnet processing unit, it is characterised in that described processing unit includes what magazine lid and multiple were stacked
Graphite magazine described in any one of claim 1~8, the magazine lid is arranged on the top of the graphite magazine of the superiors, its use
Closed in by described processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444465.7U CN206300503U (en) | 2016-12-27 | 2016-12-27 | Magnet sintering graphite magazine and processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444465.7U CN206300503U (en) | 2016-12-27 | 2016-12-27 | Magnet sintering graphite magazine and processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300503U true CN206300503U (en) | 2017-07-04 |
Family
ID=59205506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621444465.7U Active CN206300503U (en) | 2016-12-27 | 2016-12-27 | Magnet sintering graphite magazine and processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300503U (en) |
-
2016
- 2016-12-27 CN CN201621444465.7U patent/CN206300503U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnet stone burning ink box and treatment device Effective date of registration: 20210618 Granted publication date: 20170704 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: BAOTOU TIANSHI RARE EARTH NEW MATERIAL Co.,Ltd. Registration number: Y2021150000051 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220607 Granted publication date: 20170704 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: BAOTOU TIANSHI RARE EARTH NEW MATERIAL CO.,LTD. Registration number: Y2021150000051 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnet stone burning ink box and processing device Effective date of registration: 20220621 Granted publication date: 20170704 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: BAOTOU TIANSHI RARE EARTH NEW MATERIAL CO.,LTD. Registration number: Y2022150000055 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230627 Granted publication date: 20170704 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: BAOTOU TIANSHI RARE EARTH NEW MATERIAL CO.,LTD. Registration number: Y2022150000055 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnet stone burning ink box and processing device Effective date of registration: 20230628 Granted publication date: 20170704 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: BAOTOU TIANSHI RARE EARTH NEW MATERIAL CO.,LTD. Registration number: Y2023150000098 |
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