CN102909369A - Neodymium iron boron vibration magnetic field molding press device - Google Patents
Neodymium iron boron vibration magnetic field molding press device Download PDFInfo
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- CN102909369A CN102909369A CN2012104303485A CN201210430348A CN102909369A CN 102909369 A CN102909369 A CN 102909369A CN 2012104303485 A CN2012104303485 A CN 2012104303485A CN 201210430348 A CN201210430348 A CN 201210430348A CN 102909369 A CN102909369 A CN 102909369A
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- CN
- China
- Prior art keywords
- iron boron
- neodymium iron
- magnetic field
- press device
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 23
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000000465 moulding Methods 0.000 title abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000016615 flocculation Effects 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000004826 seaming Methods 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Soft Magnetic Materials (AREA)
Abstract
The invention relates to a neodymium iron boron vibration magnetic field molding press device. A vibration system module (10) is arranged at the outer side of a mould (5) positioned between a first electromagnet core (1) and a second electromagnet core (2) of the device. The vibration system module (10) comprises a vibration skeleton (11), an air inlet (12), a solenoid valve (13) and a rotating wheel (14), wherein the vibration skeleton (11) is fixed at the outer side of the mould (5), and the upper end of the vibration skeleton (11) is connected with the air inlet (12); the solenoid valve (13) is arranged on the air inlet (12); and the rotating wheel (14) is arranged in the vibration skeleton (11). The neodymium iron boron vibration magnetic field molding press device has the beneficial effects that the magnetic flocculation in the orientation process is reduced, the degree of orientation is improved, and the magnetic property is finally improved, so that the dispersity of powder is better, and the uniformity is better, and finally, the product density is more uniform, and the magnetic property is higher.
Description
Technical field
The present invention relates to the NdFeB material forming field, be specifically related to a kind of neodymium iron boron vibrations pressing under magnetic field press device.
Background technology
Existing neodymium iron boron vibrations pressing under magnetic field press because the neodymium iron boron powder is thinner, is generally 3 ~ 5 μ m in neodymium iron boron powder orientation pressing process, so magnetic coagulation is relatively more severe, therefore, during externally-applied magnetic field, rotate comparatively difficulty with easy axle, orientation not exclusively, cause the component of magnetic field on differently-oriented directivity to reduce, the component on the non-differently-oriented directivity increases, in this case, the problem that causes causes final neodymium iron boron product Br to reduce exactly, causes magnetic property to reduce.
Summary of the invention
Technical problem to be solved by this invention provides a kind of technical scheme that fundamentally solves the magnetic coagulation problem of neodymium iron boron powder.
Technical scheme of the present invention: a kind of neodymium iron boron vibrations pressing under magnetic field press device has vibroseis module 10 at the first electromagnetic core 1 of this device and the arranged outside of the mould 5 between the second electromagnetic core 2.
Described vibroseis module 10 comprises: vibrations skeleton 11, air inlet 12, magnetic valve 13 and runner 14, vibrations skeleton 11 is fixed on the outside of mould 5, the upper end of vibrations skeleton 11 is connected with air inlet 12, is provided with magnetic valve 13 on the air inlet 12, and runner 14 is arranged in the vibrations skeleton 11.
The protective gas that is filled with from described air inlet 12 is nitrogen.
The shape of described runner 14 is preferably circle and outer surface is zigzag.
Described runner 14 is preferably eccentric aluminum runner.
The present invention compared with prior art has following beneficial effect: at first, reduced the magnetic coagulation phenomenon in the orientation process, improved the degree of orientation, finally improved magnetic property; Secondly, owing to installed the vibroseis module additional, so powder is dispersed better, uniformity is better, finally makes product density more even, and magnetic property is higher.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is along the cutaway view of A-A section among Fig. 1;
Fig. 3 is the structural representation of shock module 10 among Fig. 2.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
Such as Fig. 1, shown in 2, a kind of neodymium iron boron vibrations pressing under magnetic field press device, it comprises the first electromagnetic core 1, the second electromagnetic core 2, the first electromagnetic core 1 is outside equipped with the first electromagnetism oriented coils 3, the second electromagnetic core 2 is outside equipped with the second electromagnetism oriented coils 4, between the first electromagnetic core 1 and the second electromagnetic core 2, be provided with mould 5, be provided with push-down head 6 below the mould 5, be provided with seaming chuck 7 above the mould 5, be provided with mould support plate 8 below the mould 5, between push-down head 6 and seaming chuck 7, be provided with neodymium iron boron magnetic powder 9, and the arranged outside at mould 5 has vibroseis module 10.Key point of the present invention is provided with vibroseis module 10 in the outside of mould 5, and it can effectively reduce the magnetic coagulation phenomenon of neodymium iron boron powder in the pressing under magnetic field process.
As shown in Figure 3, vibroseis module 10 comprises: vibrations skeleton 11, air inlet 12, magnetic valve 13 and runner 14, vibrations skeleton 11 is fixed on the outside of mould 5, and the upper end of vibrations skeleton 11 is connected with air inlet 12, be provided with magnetic valve 13 on the air inlet 12, runner 14 is arranged in the vibrations skeleton 11.During work, open magnetic valve, protective gas enters in the skeleton 11 from air inlet, promotes runner 14 and rotates, and produces vibrations.The protective gas that is filled with from air inlet 12 is preferably nitrogen.The shape of runner 14 is preferably circle and outer surface is zigzag.Described runner 14 is preferably eccentric aluminum runner.
After whole system assembled, rise seaming chuck 7, pour neodymium iron boron magnetic powder 9 into, then seaming chuck 7 closes, install magnetic field additional on the first electromagnetic core 1 and the second electromagnetic core 2 by the first solenoid 3 and the second solenoid 4, output magnetic field and being applied in the die cavity of mould 5 on the first electromagnetic core 1 and the second electromagnetic core 2, magnetic is orientated along magnetic direction, in orientation, vibroseis 10 is started working, and is applied on the mould 5, and indirectly-acting is to neodymium iron boron magnetic powder 9, make neodymium iron boron powder orientation more abundant, improve product magnetic property purpose thereby finally reach.
Claims (5)
1. a neodymium iron boron shakes the pressing under magnetic field press device, and it is characterized in that: being positioned at first electromagnetic core (1) of this device and the arranged outside of the mould (5) between the second electromagnetic core (2) has vibroseis module (10).
2. a kind of neodymium iron boron according to claim 1 shakes the pressing under magnetic field press device, it is characterized in that: described vibroseis module (10) comprising: vibrations skeleton (11), air inlet (12), magnetic valve (13) and runner (14), vibrations skeletons (11) are fixed on the outside of mould (5), the upper end of vibrations skeletons (11) is connected with air inlet (12), is provided with magnetic valve (13) on the air inlet (12), and runner (14) is arranged in the vibrations skeletons (11).
3. a kind of neodymium iron boron according to claim 2 shakes the pressing under magnetic field press device, and it is characterized in that: the protective gas that is filled with from described air inlet (12) is nitrogen.
4. a kind of neodymium iron boron vibrations pressing under magnetic field press device according to claim 2 is characterized in that: described runner (14) be shaped as circle and outer surface is zigzag.
5. a kind of neodymium iron boron according to claim 2 shakes the pressing under magnetic field press device, it is characterized in that: described runner (14) is eccentric aluminum runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104303485A CN102909369A (en) | 2012-11-01 | 2012-11-01 | Neodymium iron boron vibration magnetic field molding press device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104303485A CN102909369A (en) | 2012-11-01 | 2012-11-01 | Neodymium iron boron vibration magnetic field molding press device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102909369A true CN102909369A (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104303485A Pending CN102909369A (en) | 2012-11-01 | 2012-11-01 | Neodymium iron boron vibration magnetic field molding press device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102909369A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028744A (en) * | 2014-06-04 | 2014-09-10 | 中磁科技股份有限公司 | Method for raising orientation degree of Nd-Fe-B powder particles |
| CN104124051A (en) * | 2014-07-25 | 2014-10-29 | 安徽大地熊新材料股份有限公司 | Forming method and device for increasing magnet orientation degree |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175212A (en) * | 1987-12-29 | 1989-07-11 | Biimu Denshi Kogyo Kk | Ring-shaped dust core, its manufacture and its manufacturing apparatus |
| CN1258919A (en) * | 1998-12-28 | 2000-07-05 | 北京市石景山区京磁技术公司 | Forming method of sintered anisotropic magnet |
| CN1484578A (en) * | 2001-01-29 | 2004-03-24 | 住友特殊金属株式会社 | Powder molding method |
| CN1533313A (en) * | 2002-04-12 | 2004-09-29 | 住友特殊金属株式会社 | press molding process for rare earth alloy powder and process for manufacturing rare earth alloy sintered body |
| JP2004285365A (en) * | 2000-09-18 | 2004-10-14 | Bridgestone Corp | Method for manufacturing green compact for sintered magnet and apparatus therefor |
| CN2905240Y (en) * | 2006-03-01 | 2007-05-30 | 吴耀明 | Pneumatic rotor type vibrator |
| CN202861400U (en) * | 2012-11-01 | 2013-04-10 | 山西京宇天成科技有限公司 | Neodymium iron boron vibration magnetic field moulding press device |
-
2012
- 2012-11-01 CN CN2012104303485A patent/CN102909369A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175212A (en) * | 1987-12-29 | 1989-07-11 | Biimu Denshi Kogyo Kk | Ring-shaped dust core, its manufacture and its manufacturing apparatus |
| CN1258919A (en) * | 1998-12-28 | 2000-07-05 | 北京市石景山区京磁技术公司 | Forming method of sintered anisotropic magnet |
| JP2004285365A (en) * | 2000-09-18 | 2004-10-14 | Bridgestone Corp | Method for manufacturing green compact for sintered magnet and apparatus therefor |
| CN1484578A (en) * | 2001-01-29 | 2004-03-24 | 住友特殊金属株式会社 | Powder molding method |
| CN1533313A (en) * | 2002-04-12 | 2004-09-29 | 住友特殊金属株式会社 | press molding process for rare earth alloy powder and process for manufacturing rare earth alloy sintered body |
| CN2905240Y (en) * | 2006-03-01 | 2007-05-30 | 吴耀明 | Pneumatic rotor type vibrator |
| CN202861400U (en) * | 2012-11-01 | 2013-04-10 | 山西京宇天成科技有限公司 | Neodymium iron boron vibration magnetic field moulding press device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028744A (en) * | 2014-06-04 | 2014-09-10 | 中磁科技股份有限公司 | Method for raising orientation degree of Nd-Fe-B powder particles |
| CN104124051A (en) * | 2014-07-25 | 2014-10-29 | 安徽大地熊新材料股份有限公司 | Forming method and device for increasing magnet orientation degree |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130206 |