CN201707998U - Pulse magnetic field device for pressing permanent magnetic product - Google Patents
Pulse magnetic field device for pressing permanent magnetic product Download PDFInfo
- Publication number
- CN201707998U CN201707998U CN2010202066566U CN201020206656U CN201707998U CN 201707998 U CN201707998 U CN 201707998U CN 2010202066566 U CN2010202066566 U CN 2010202066566U CN 201020206656 U CN201020206656 U CN 201020206656U CN 201707998 U CN201707998 U CN 201707998U
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- magnetic field
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- coil
- pulse
- magnetizing coil
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Abstract
The utility model relates to a pulse magnetic field device for pressing a permanent magnetic product, comprising a magnetizing coil which is wound by a glass silk covered copper wire; and the magnetizing coil is connected with a direct current pulse power supply. When in use, the product is put into the magnetizing coil, the pulse power supply is started, an intense magnetic field in the axial direction is produced in the magnetizing coil, an upper die quickly moves backwards under the action of the intense magnetic field to press powder into a blank while the product is magnetized. The most significant characteristic of the device is that the pulse intense magnetic field not only can perform magnetized direction, but perform press forming of the blank.
Description
Technical field
The utility model relates to a kind of magnetic field device, specifically is a kind of pulsed magnetic field apparatus that is used for directed compacting Sm-Co permanent magnet product.
Background technology
Existing Sm-Co permanent magnet product, in the compression moulding process, directed compression moulding blank all adopts the electromagnetic type D.C. magnetic field.During the work of electromagnetic type D.C. magnetic field, be that mould is put into the coil that produces axial DC magnetic field, start power supply, coil produces 10000Oe magnetic field, thereby powder is pressed into directed blank in magnetization.When adopting this D.C. magnetic field to suppress, owing to need to produce high-intensity magnetic field, so the volume of electromagnetism D.C. magnetic field is bigger, the size and the weight of the coil that magnetizes that needs are all very big, and is bigger for large-sized product magnetic field structure.
The utility model content
The purpose of this utility model just provides pulsed magnetic field apparatus a kind of simple in structure, easy to use.
The utility model is achieved in that
A kind of pulsed magnetic field apparatus of suppressing permanent magnet product, described device comprises the coil that magnetizes, in the coil inside that magnetizes a die cavity and a pressing mold that is installed on the cushion block is arranged, around the die cavity is the chamber wall, pressing mold is divided into upper die and lower die, upper die and lower die lay respectively at the upper-lower position of die cavity, and the coil that magnetizes has two lead-out wires up and down.
Further scheme is: described cushion block is a magnetic conduction iron plate.
The utility model is put into powder in the die cavity in use, the starting impulse power supply, and the magnetic field that in solenoid coil, produces axial direction, thereby with the powder axial magnetized.Patrix is moved down fast by the effect of high-intensity magnetic field powder is pressed into blank through field orientation at the same time.The utility model is simple in structure, and is easy to use, can be applied in the magnetization of great quantity of small spare.
Description of drawings:
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, a kind of pulsed magnetic field apparatus of suppressing permanent magnet product, described device comprises the coil 1 that magnetizes, in coil 1 inside of magnetizing a die cavity 7 and a pressing mold that is installed on the cushion block 5 is arranged, around the die cavity is chamber wall 3, and pressing mold is divided into patrix 2 and counterdie 4, and patrix 2 and counterdie 4 lay respectively at the upper-lower position of die cavity 7, the coil 1 that magnetizes has two lead-out wires 6 up and down, and cushion block 5 is a magnetic conduction iron plate.
Claims (2)
1. pulsed magnetic field apparatus of suppressing permanent magnet product, it is characterized in that: described device comprises the coil that magnetizes (1), a die cavity (7) and a pressing mold that is installed on the cushion block (5) is arranged in the coil that magnetizes (1) inside, around the die cavity is chamber wall (3), pressing mold is divided into patrix (2) and counterdie (4), patrix (2) and counterdie (4) lay respectively at the upper-lower position of die cavity (7), and the coil that magnetizes (1) has two lead-out wires (6) up and down.
2. the pulsed magnetic field apparatus of compacting permanent magnet product according to claim 1 is characterized in that: described cushion block (5) is a magnetic conduction iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202066566U CN201707998U (en) | 2010-05-26 | 2010-05-26 | Pulse magnetic field device for pressing permanent magnetic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202066566U CN201707998U (en) | 2010-05-26 | 2010-05-26 | Pulse magnetic field device for pressing permanent magnetic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707998U true CN201707998U (en) | 2011-01-12 |
Family
ID=43445153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202066566U Expired - Fee Related CN201707998U (en) | 2010-05-26 | 2010-05-26 | Pulse magnetic field device for pressing permanent magnetic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707998U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846431A (en) * | 2012-11-28 | 2014-06-11 | 财团法人金属工业研究发展中心 | Electromagnetic transmission compaction device and magnet manufacturing method |
| CN103943300A (en) * | 2014-04-11 | 2014-07-23 | 安徽省瀚海新材料有限公司 | Impulse type magnetizing coil |
| CN103846431B (en) * | 2012-11-28 | 2016-11-30 | 财团法人金属工业研究发展中心 | Electromagnetic driven compaction apparatus and Magnetitum manufacture method |
| CN108666124A (en) * | 2018-04-28 | 2018-10-16 | 东莞市嘉达磁电制品有限公司 | A kind of preliminary filling magnetic system producing sintered Nd-Fe-B rare earth permanent magnet product |
| WO2021238134A1 (en) * | 2020-05-25 | 2021-12-02 | 华中科技大学 | Press forming method and apparatus for permanent magnet |
-
2010
- 2010-05-26 CN CN2010202066566U patent/CN201707998U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846431A (en) * | 2012-11-28 | 2014-06-11 | 财团法人金属工业研究发展中心 | Electromagnetic transmission compaction device and magnet manufacturing method |
| CN103846431B (en) * | 2012-11-28 | 2016-11-30 | 财团法人金属工业研究发展中心 | Electromagnetic driven compaction apparatus and Magnetitum manufacture method |
| CN103943300A (en) * | 2014-04-11 | 2014-07-23 | 安徽省瀚海新材料有限公司 | Impulse type magnetizing coil |
| CN108666124A (en) * | 2018-04-28 | 2018-10-16 | 东莞市嘉达磁电制品有限公司 | A kind of preliminary filling magnetic system producing sintered Nd-Fe-B rare earth permanent magnet product |
| WO2021238134A1 (en) * | 2020-05-25 | 2021-12-02 | 华中科技大学 | Press forming method and apparatus for permanent magnet |
| US11756729B2 (en) | 2020-05-25 | 2023-09-12 | Huazhong University Of Science And Technology | Compression-molding method and device for permanent magnet |
| US11948732B2 (en) | 2020-05-25 | 2024-04-02 | Huazhong University Of Science And Technology | Compression-molding method and device for permanent magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140526 |