CN204094142U - A kind of mould preparing small column neodymium iron boron magnetic body - Google Patents
A kind of mould preparing small column neodymium iron boron magnetic body Download PDFInfo
- Publication number
- CN204094142U CN204094142U CN201420523933.4U CN201420523933U CN204094142U CN 204094142 U CN204094142 U CN 204094142U CN 201420523933 U CN201420523933 U CN 201420523933U CN 204094142 U CN204094142 U CN 204094142U
- Authority
- CN
- China
- Prior art keywords
- mould
- iron boron
- neodymium iron
- utility
- model
- 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.)
- Expired - Lifetime
Links
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The utility model relates to a kind of mould preparing small column neodymium iron boron magnetic body, belongs to neodymium iron boron magnetic body mould manufacturing field.The diameter of the cylinder of the utility model mould is 10mm ± 2mm, draw taper 1 °-5 °.The utility model is by improving mould structure, increase radius and the draft angle of mold cylinder, eliminate the qualification rate that isostatic pressed operation effectively can improve small column, reduce the generation of waste product, bring considerable economic benefit, decrease the input of human and material resources, improve production cost and production efficiency.The utility model is particularly suitable for diameter and is less than the cylindrical production of 8mm neodymium iron boron.
Description
Technical field
The utility model relates to a kind of mould preparing small column neodymium iron boron magnetic body, belongs to neodymium iron boron magnetic body mould manufacturing field.
background technology
In traditional neodymium iron boron production technology, the mould preparation of small column magnet as shown in Figure 2, because above-mentioned mould exists the defect of cylinder compact density deficiency, so cause small column magnet must to annotate pressure at isostatic pressing machine, can produce after improving its compact density and a large amount of return binder, directly affects subsequent operation and production cost.
Summary of the invention
The utility model object is to provide one to reduce production cost, improves a kind of mould preparing small column neodymium iron boron magnetic body of productivity effect.
technical solution
The diameter of the cylinder of the utility model mould is 10mm ± 2 mm, draw taper 1 °-5 °.
The utility model is by improving mould structure, increase radius and the draft angle of mold cylinder, eliminate the qualification rate that isostatic pressed operation effectively can improve small column, reduce the generation of waste product, bring considerable economic benefit, decrease the input of human and material resources, improve production cost and production efficiency.The utility model is particularly suitable for diameter and is less than the cylindrical production of 8mm neodymium iron boron.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model new die structure;
Fig. 2 is the schematic diagram of traditional moulds structure.
Detailed description of the invention
The utility model by traditional moulds non-to, press to, orientation size is by identical scale smaller, the diameter of mold cylinder 1 is 10mm (magnet reduces 10-15% after sintering), and increase draw taper 1-5 °, and pressing pressure is increased to 8MPa by the pressing pressure of original 5MPa, to improve the compact density of small column magnet; The material of mould 1 changes the higher G60 of hardness into, to improve anti-pressure ability by traditional 70Mn mold material; By the nitrogen device ISN box of small column magnet in sealing after compressing.
Test example 1
Time: on June 15th, 2014
Batch: S1#6-15-4
Mold material: G60
Die size: non-to: 10.1mm, press to: 9.7mm, orientation 48mm
Magnet specification: diameter: 8mm, length: 34mm
Pressing pressure: 8MPa
Single small column magnet weight: 14.4g
Compressing density: 3.92g/cm3
Gross weight and radical: 5000/72Kg
Operating process: debugging mould-→ feed intake-→ compacting-→ the demoulding-→ appearance test-→ code box-→ turn sintering circuit
Qualified quantity 4950 after sinter molding, weight 71.3Kg.
The utility model well controls the generation returning binder, improves product percent of pass.
Test example 2
Time: on June 17th, 2014
Batch: S1#6-17-2
Mold material: G60
Die size: non-to: 9mm, press to: 8.6mm, orientation 48mm
Magnet specification: diameter: 7mm, length: 34mm
Pressing pressure: 8MPa
Single small column magnet weight: 11.5g
Compressing density: 3.95g/cm3
Gross weight and radical: 7500/86.3Kg
Operating process: debugging mould-→ feed intake-→ compacting-→ the demoulding-→ appearance test-→ code box-→ turn sintering circuit
Qualified quantity 7410 after sinter molding, weight 85.2Kg.
The utility model well controls the generation returning binder, improves product percent of pass.
Claims (1)
1. prepare a mould for small column neodymium iron boron magnetic body, it is characterized in that, the diameter of the cylinder of mould is 10mm ± 2 mm, draw taper 1 °-5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523933.4U CN204094142U (en) | 2014-09-13 | 2014-09-13 | A kind of mould preparing small column neodymium iron boron magnetic body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523933.4U CN204094142U (en) | 2014-09-13 | 2014-09-13 | A kind of mould preparing small column neodymium iron boron magnetic body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204094142U true CN204094142U (en) | 2015-01-14 |
Family
ID=52262612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523933.4U Expired - Lifetime CN204094142U (en) | 2014-09-13 | 2014-09-13 | A kind of mould preparing small column neodymium iron boron magnetic body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204094142U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081317A (en) * | 2015-09-18 | 2015-11-25 | 北京京磁电工科技有限公司 | Multiple-cavity mould |
| CN109014188A (en) * | 2018-09-18 | 2018-12-18 | 安徽宁磁电子科技有限公司 | Radial magnetized neodymium ferrum boron cylindrical blank forms whole set of die and its production method |
| CN112077303A (en) * | 2020-08-20 | 2020-12-15 | 崇义章源钨业股份有限公司 | Rod and wire continuous row die and manufacturing method thereof |
-
2014
- 2014-09-13 CN CN201420523933.4U patent/CN204094142U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081317A (en) * | 2015-09-18 | 2015-11-25 | 北京京磁电工科技有限公司 | Multiple-cavity mould |
| CN109014188A (en) * | 2018-09-18 | 2018-12-18 | 安徽宁磁电子科技有限公司 | Radial magnetized neodymium ferrum boron cylindrical blank forms whole set of die and its production method |
| CN112077303A (en) * | 2020-08-20 | 2020-12-15 | 崇义章源钨业股份有限公司 | Rod and wire continuous row die and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mold for making small cylindrical NdFeB magnets Effective date of registration: 20210618 Granted publication date: 20150114 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 |
|
| 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: 20150114 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 |
|
| 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: A mold for preparing small cylindrical Nd-Fe-B magnets Effective date of registration: 20220621 Granted publication date: 20150114 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 |
|
| 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: 20230627 Granted publication date: 20150114 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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |
|
| CX01 | Expiry of patent term |