CN202172011U - Radially oriented magnetic field mold - Google Patents
Radially oriented magnetic field mold Download PDFInfo
- Publication number
- CN202172011U CN202172011U CN2011202813751U CN201120281375U CN202172011U CN 202172011 U CN202172011 U CN 202172011U CN 2011202813751 U CN2011202813751 U CN 2011202813751U CN 201120281375 U CN201120281375 U CN 201120281375U CN 202172011 U CN202172011 U CN 202172011U
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- magnetic conduction
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- punching member
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Abstract
A radially oriented magnetic field mold relates to the technical field of magnetic filed molding. The radially oriented magnetic filed mold is composed of the following components: an upper magnetic-conductive core rod, a non-magnetic-conductive upper punching member, a magnetic-conductive female mold, a non-magnetic-conductive lower punching member and a lower magnetic-conductive core rod. The upper magnetic-conductive core rod is inlaid in the upper non-magnetic-conductive upper punching member, and is fixed at the lower end of an upper pole together with the non-magnetic-conductive upper punching member. The lower magnetic-conductive core rod is fixed on a core rod connecting rod. A non-magnetic-conductive lower punching member is sleeved outside the lower magnetic-conductive core rod and is fixed on the lower pole. The magnetic-conductive female mold is sleeved outside the non-magnetic-conductive lower punching member and is fixed with a lower magnetic-conductive plate. Cross section surface center points of the upper magnetic-conductive core rod, the lower magnetic-conductive core rod, the non-magnetic-conductive upper punching member and the non-magnetic-conductive lower punching member are provided in a same axis. A female mold chamber filler area is provided at the upper end of the non-magnetic-conductive lower punching member. The radially oriented magnetic field mold has the following advantages: simple preparation, convenient mounting, capability of being closely combined with a radial magnetic field orientation molding device, capability of reducing magnetic leakage of a magnetic path, and facilitated preparation for radially oriented permanent magnetic ring with uniform surface magnetic field and higher axial height.
Description
Technical field
The utility model relates to the pressing under magnetic field technical field, is specifically related to a kind of radial orientation pressing under magnetic field mould.
Background technology
The radial orientation rare-earth permanent magnet has important application in the navigation of space flight, aviation, navigation and control system; As being used for the control system of artificial satellite, spaceship, large-scale naval vessels and strategic missile and the accurate device of guidance system, various magnetoes and gyroscope are also increasing to the demand of radial permanent-magnetic clamp simultaneously.
The radial orientation rare-earth permanent magnet is mainly assembled through watt type magnet of some same orientations at present; Exist geometric center did not overlap, shows magnetic skewness (indentation) with magnetic field center shortcoming; Have a strong impact on the performance of device, also can cause the multiplication of a large amount of raw-material wastes and processing cost simultaneously.Whole radial orientation rare-earth permanent magnet can overcome above-mentioned shortcoming; The patent and the technology of the whole radial orientation magnet ring of existing both at home and abroad a lot of preparations are the technology that patents such as 200810066269,200510086882,200580009032,01111509,200720170174 are announced like the patent No..But the device and method that the preparation method of present whole radial orientation rare-earth permanent magnet mainly adopts patent 200720170174 to be announced; The radial magnetic field orientation moulding device that this patent is announced is as shown in Figure 1, it by last electromagnet 1, go up plug and go up dash 2, negative impression 3, former 4, magnetic conductive board 5, lower electromagnet 6, plug 7 and secondary yoke 8 are formed down.Magnetic conduction plug, magnetic conduction iron plate and secondary yoke formed radial orientation magnetic field about last electromagnet and lower electromagnet passed through in negative impression, and this radial magnetic field orientation moulding device Distribution of Magnetic Field sketch map is as shown in Figure 2.1 and 4 are respectively power-on and power-off magnet among Fig. 2, and 2 is the magnetic line of force, and 3 is the radial orientation mould, and power-on and power-off magnet adjacent surface is all the N utmost point or the S utmost point (being all the S utmost point among Fig. 2), and the magnetic line of force between power-on and power-off magnet forms radial orientation magnetic field to the top.
Can know that by Fig. 2 the power-on and power-off magnet magnetic line of force is the strongest and the most even in the center of power-on and power-off magnet distance to the radial orientation magnetic field that the top produces.Can get in conjunction with Fig. 1 analysis, this molding device radial orientation magnetic field the strongest with place the most uniformly should be on plug contact position, the i.e. top of negative impression up and down.Permanent-magnet powder is inserted after the negative impression, starts molding device and moves automatically, and plug one contact promptly begins the permanent-magnet powder orientation is finished up to compacting up and down.Radial orientation magnetic field intensity and the uniformity that can be known material powder in the negative impression by Fig. 1 from top to bottom will reduce gradually, and this will cause the inhomogeneities of radial orientation magnet ring performance, and especially for the bigger magnet ring of axial height, its inhomogeneities will be more obvious.As adopt internal diameter 68.4mm, the external diameter 58.2mm of the prepared N35SH trade mark of molding device shown in Figure 1 and mould, the magnet ring of height 15mm; Its Surface field strength mean value successively decreases vertically from top to bottom, wherein top end surface magnetic field intensity average than the bottom exceed 1000 reinforcements this.
The utility model content
The purpose of the utility model provides a kind of radial orientation pressing under magnetic field mould, and it can solve existing problem in the background technology effectively.
In order to solve the existing problem of background technology, the utility model adopts following technical scheme: it by dash 3 on last magnetic conduction plug 2, the non-magnetic conduction, magnetic conduction former 5, non-magnetic conduction dash down 6 and following magnetic conduction plug 7 form; Last magnetic conduction plug 2 is embedded in and dashes in 3 on the non-magnetic conduction; And on non-magnetic conduction, dash 3 be fixed in cartridge 1 the lower end; Following magnetic conduction plug 7 is fixed on the plug connecting rod, and non-magnetic conduction dashes 6 down and is enclosed within down magnetic conduction plug 7 outsides, and is fixed on down on the cartridge 9; Magnetic conduction former 5 is enclosed within and dashes 6 the outside under the non-magnetic conduction; And fixing with following magnetic conductive board 8, dash 3 on last magnetic conduction plug 2 and following magnetic conduction plug 7 and the non-magnetic conduction and dash 6 cross-section center point down with non-magnetic conduction and be positioned on the same axis, negative impression filler regional 4 is positioned under the non-magnetic conduction upper end towards 6.
Described magnetic conduction plug 2, following magnetic conduction plug 7 and the magnetic conduction former 5 gone up processed for permeability magnetic material.
Dashing 3 on the described non-magnetic conduction dashes 6 down with non-magnetic conduction and processes for non-magnet material.
Described magnetic conduction former 5 exceeds down magnetic conductive board 1/8th two packed height, makes that radial orientation magnetic field homogeneity range is positioned at the packed height central area in the magnetic conduction former 5.
The utlity model has following beneficial effect: preparation is simple, and is easy for installation, combines closely with radial magnetic field orientation moulding device, reduces the magnetic circuit leakage field, is beneficial to the higher permanent-magnetic ring of radial orientation of the preparation all even axial height of Surface field.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of background technology in the utility model;
Fig. 3 is the structural representation of the utility model.
Embodiment
Referring to Fig. 1, this embodiment is to adopt following technical scheme: it by dash 3 on last magnetic conduction plug 2, the non-magnetic conduction, magnetic conduction former 5, non-magnetic conduction dash down 6 and following magnetic conduction plug 7 form; Last magnetic conduction plug 2 is embedded in and dashes in 3 on the non-magnetic conduction; And on non-magnetic conduction, dash 3 be fixed in cartridge 1 the lower end; Following magnetic conduction plug 7 is fixed on the plug connecting rod, and non-magnetic conduction dashes 6 down and is enclosed within down magnetic conduction plug 7 outsides, and is fixed on down on the cartridge 9; Magnetic conduction former 5 is enclosed within and dashes 6 outside under the non-magnetic conduction; And be fixed on down on the magnetic conductive board 8, dashing 3 on last magnetic conduction plug 2 and following magnetic conduction plug 7 and the non-magnetic conduction and dash 6 cross-section center point down with non-magnetic conduction and be positioned on the same axis, negative impression filler zone 4 is positioned under the non-magnetic conduction upper end towards 6.
Preferably, described magnetic conduction plug 2, following magnetic conduction plug 7 and the magnetic conduction former 5 gone up processed for permeability magnetic material; Further preferred again, described permeability magnetic material is Q235A or 40Cr alloy.
Preferably, dashing 3 on the described non-magnetic conduction dashes 6 down with non-magnetic conduction and processes for non-magnet material; Further preferred again, described non-magnet material is magnetism-free stainless steel or 70Mn alloy.
Preferably, described magnetic conduction former 5 exceeds down magnetic conductive board 1/8th two packed height, makes that radial orientation magnetic field homogeneity range is positioned at the packed height central area in the magnetic conduction former 5.
Dash on the non-magnetic conduction 3 with non-magnetic conduction dash down 6 the magnetic line of force through last magnetic conduction plug 2 and down magnetic conduction plug 7 import zone 4 polymerizations of negative impression fillers; Form radial orientation magnetic field; Reach the magnetic conductive board 8 matrix pattern loops of formation shown in (Fig. 2) down through magnetic conduction former 5 then, the radial orientation magnetic field homogeneity range in the negative impression filler zone 4 is positioned near its 1/2nd height.
This embodiment has following beneficial effect: preparation is simple, and is easy for installation, combines closely with radial magnetic field orientation moulding device, reduces the magnetic circuit leakage field, is beneficial to the higher permanent-magnetic ring of radial orientation of the preparation all even axial height of Surface field.
Accompanying drawing described herein and embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out more detailed explanation, the those of ordinary skill in affiliated field is to be understood that; Still can make amendment and perhaps the part technical characterictic is equal to replacement the embodiment of the utility model; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. a radial orientation pressing under magnetic field mould is characterized in that it is by forming towards (6) and following magnetic conduction plug (7) down towards (3), magnetic conduction former (5), non-magnetic conduction on last magnetic conduction plug (2), the non-magnetic conduction; Last magnetic conduction plug (2) is embedded in and dashes in (3) on the non-magnetic conduction; And on non-magnetic conduction, dash the lower end that cartridge (1) is fixed in (3); Following magnetic conduction plug (7) is fixed on the plug connecting rod, and non-magnetic conduction dashes (6) down and is enclosed within down magnetic conduction plug (7) outside, and is fixed on down on the cartridge (9); Magnetic conduction former (5) is enclosed within the outside that dashes (6) under the non-magnetic conduction; And fixing with following magnetic conductive board (8), dash (3) on last magnetic conduction plug (2) and following magnetic conduction plug (7) and the non-magnetic conduction and be positioned on the same axis with the cross-section center point that non-magnetic conduction dashes (6) down, negative impression filler regional (4) is positioned at the upper end that dashes (6) under the non-magnetic conduction.
2. according to the described a kind of radial orientation pressing under magnetic field mould of claim (1), it is characterized in that described last magnetic conduction plug (2), descend magnetic conduction plug (7) and magnetic conduction former (5) to process for permeability magnetic material.
3. according to the described a kind of radial orientation pressing under magnetic field mould of claim (1), it is characterized in that dashing under (3) and the non-magnetic conduction on the described non-magnetic conduction and process for non-magnet material towards (6).
4. according to the described a kind of radial orientation pressing under magnetic field mould of claim (1), it is characterized in that described magnetic conduction former (5) exceeds magnetic conductive board (8) 1/2nd packed heights down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202813751U CN202172011U (en) | 2011-08-04 | 2011-08-04 | Radially oriented magnetic field mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202813751U CN202172011U (en) | 2011-08-04 | 2011-08-04 | Radially oriented magnetic field mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172011U true CN202172011U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202813751U Expired - Fee Related CN202172011U (en) | 2011-08-04 | 2011-08-04 | Radially oriented magnetic field mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN202172011U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123864A (en) * | 2013-02-26 | 2013-05-29 | 江苏东瑞磁材科技有限公司 | Method for manufacturing radial permanent magnetic ring and manufacturing device thereof |
| CN103286980A (en) * | 2013-06-18 | 2013-09-11 | 南通国谊锻压机床有限公司 | Mould pressing device of radiating orientation forming hydraulic machine |
| CN103736998A (en) * | 2013-12-31 | 2014-04-23 | 昆山优磁电子有限公司 | RH type magnetic core mould |
| CN104368812A (en) * | 2014-11-28 | 2015-02-25 | 中核(天津)科技发展有限公司 | Pressing die for bonded neodymium-iron-boron magnetic body |
| CN113977856A (en) * | 2021-10-22 | 2022-01-28 | 杭州千石科技有限公司 | Electromagnetic field radiation orientation device of annular injection molding magnet |
-
2011
- 2011-08-04 CN CN2011202813751U patent/CN202172011U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123864A (en) * | 2013-02-26 | 2013-05-29 | 江苏东瑞磁材科技有限公司 | Method for manufacturing radial permanent magnetic ring and manufacturing device thereof |
| CN103123864B (en) * | 2013-02-26 | 2016-01-06 | 江苏东瑞磁材科技有限公司 | A kind of method and manufacturing installation thereof preparing radial permanent magnetic ring |
| CN103286980A (en) * | 2013-06-18 | 2013-09-11 | 南通国谊锻压机床有限公司 | Mould pressing device of radiating orientation forming hydraulic machine |
| CN103286980B (en) * | 2013-06-18 | 2016-05-11 | 南通国谊锻压机床有限公司 | A kind of molding device of radially oriented forming hydraulic press |
| CN103736998A (en) * | 2013-12-31 | 2014-04-23 | 昆山优磁电子有限公司 | RH type magnetic core mould |
| CN104368812A (en) * | 2014-11-28 | 2015-02-25 | 中核(天津)科技发展有限公司 | Pressing die for bonded neodymium-iron-boron magnetic body |
| CN113977856A (en) * | 2021-10-22 | 2022-01-28 | 杭州千石科技有限公司 | Electromagnetic field radiation orientation device of annular injection molding magnet |
| CN113977856B (en) * | 2021-10-22 | 2024-01-05 | 杭州千石科技有限公司 | Electromagnetic field radiation orientation device of annular injection molding magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20160804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |