CN205551463U - Radiate press die carrier of oriented cyclic annular magnet - Google Patents
Radiate press die carrier of oriented cyclic annular magnet Download PDFInfo
- Publication number
- CN205551463U CN205551463U CN201620180713.5U CN201620180713U CN205551463U CN 205551463 U CN205551463 U CN 205551463U CN 201620180713 U CN201620180713 U CN 201620180713U CN 205551463 U CN205551463 U CN 205551463U
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- Prior art keywords
- magnetic
- punch
- coil
- guide plate
- extension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/027—Particular press methods or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model relates to a radiate press die carrier of oriented cyclic annular magnet, including last deflector, upper punch, lower deflector, low punch, well core bar, the magnetic conduction board that props up a supporting bench, mould, guide post group, goes up coil, lower coil and have the magnetic conductivity. Well core bar stretches into in the die cavity of mould to suppress ring magnets in the mould. Go up coil and lower coil and correspond respectively around setting up outside upper punch and low punch and having opposite polarity, in the pressing process of tombarthite powder, go up the circular telegram of coil and lower coil to make guide post group, go up deflector, upper punch, down deflector, low punch, well core bar, magnetic conduction plate -type become the magnetic conduction return circuit, and then form radial magnetic aligning field in magnet pressed compact position, in order to radiate evenly magnetizing of orientation to the magnet pressed compact. This radiate press die carrier of oriented cyclic annular magnet has realized ring magnets's nearly end form suppression, the high and low in production cost of production efficiency.
Description
Technical field
This utility model relates to powder shaping press technical field, is specifically related to the radiation field mould bases of a kind of rare-earth magnetic press.
Background technology
Permanent magnet is made up of rare earth alloy, mainly by Nd2Fe14B、Sm2Co17And SmCo5Metal alloy is made.Permanent magnet has unique high density magnetic energy, and the preparation of permanent magnet needs use expensive raw material and put into huge production cost, and the technology of production permanent magnet must reach certain requirement, to obtain best raw material output and optimal magnetic property.The elementary production steps of permanent magnet is: melted alloy；Alloy is worn into the particle powder of typically smaller than 10 microns；Particle powder is pressed into magnetic field, and then sintering pressed compact；The magnet of final required form, final magnetised magnets is obtained by machining.
Powder compacting can be completed by mechanical eccentric press or hydraulic press.These press need to be equipped with mould bases and the ancillary equipment of the particular/special requirement that disclosure satisfy that magnet rare earth powder.Rare earth powder is pressed into required shape in magnetic aligning field by the most use single shaft hydraulic presses.
Toroidal magnet is very important a kind of magnet in all rare-earth magnets.Substantial amounts of high-tech device needs use to toroidal magnet, as in the toroidal magnet in atwirl vacuum pump or centrifuge bearing, chemical industry transfer of torque to the toroidal magnet etc. in the clutch of reactor.Currently, toroidal magnet mainly utilizes bar magnet to pass through section and boring obtains.Annular magnet yield prepared by this process is the lowest, and production cost is the highest.
Authorization Notice No. is the Chinese invention patent " oil press for automatically moulding rare-earth magnetic powder " of CN101486096B (Application No. 200910004799.0), and wherein disclosed integration process unit i.e. produces for the compacting of permanent magnet.This oil press for automatically moulding rare-earth magnetic powder cannot complete nearly end form (NNS) compacting of annular magnet, and the magnetic aligning field of this oil press for automatically moulding rare-earth magnetic powder is to be produced by the single magnetizing coil being centered around outside mold cavity, has been only capable of magnetizing of magnet pressed compact axial orientation.
Utility model content
Technical problem to be solved in the utility model is to provide the one can direct pressing toroidal magnet for above-mentioned prior art, the most radially oriented magnetic aligning field can also be generated, toroidal magnet can be carried out the press mold frame of the radially oriented annular magnet uniformly magnetized simultaneously.
The technical scheme in the invention for solving the above technical problem is: the press mold frame of a kind of radially oriented annular magnet, including:
Support platform；
Mould, is arranged on described support platform；
It is characterized in that: also include
Lead group, be arranged in parallel including many and has the lead of magnetic conductivity；
Upper guide plate, has magnetic conductivity and is positioned at the top of described support platform, and what described upper guide plate can move up and down is arranged on each lead；
Upper punch, is arranged on the lower surface of guide plate, and described upper punch has magnetic conductivity and hollow is arranged；
Lower guide plate, has magnetic conductivity and is positioned at the lower section of described support platform, and what described lower guide plate can move up and down is arranged on each lead；
Low punch, is arranged on the upper surface of lower guide plate, and described low punch has magnetic conductivity and hollow is arranged；
Middle core bar, have magnetic conductivity and can along mould centrally along axially moving up and down, described middle core bar respectively in described lower guide plate and low punch through and pass in described mould；
Magnetic conductive board, is arranged on described support platform and is connected with each lead, and described magnetic conductive board is around being arranged on outside described mould；
Upper coil, around being arranged on outside described upper punch；And,
Lower coil, around being arranged on, described low punch is outer and opposite polarity with described upper coil.
Preferably, described upper punch includes the extension with magnetic conductivity and the pressing part of non-magnetic being wholely set from top to bottom, and described upper coil is corresponding around outside the extension being arranged on described upper punch；
Described low punch includes the extension with magnetic conductivity and the pressing part of non-magnetic being wholely set from bottom to top, and described lower coil is corresponding around outside the extension being arranged on described low punch.
Preferably, the axial height of the extension of described upper punch is equal with the axial height of described upper coil, and the extension axial height of described low punch is equal with the axial height of described lower coil.
It is embedded with magnetic conductive pole in described upper guide plate, fits in described magnetic conductive pole extends to the extension of described upper punch and with the inwall of extension.
In controlling for convenience, the movement of core bar connects with the magnetic conduction of upper guide plate with core bar in ensureing, described middle core bar is independently driven by a motor and moves up and down, and the output shaft of described motor is connected with the lower end of described middle core bar.
Compared with prior art, the utility model has the advantage of: the press mold frame of this radially oriented annular magnet has and can extend into the middle core bar to mold center, so can straight forming is ring-type in mould magnet pressed compact in upper punch and low punch carry out the pressing process of magnet pressed compact, it is achieved thereby that the nearly end form compacting of toroidal magnet, without carrying out subsequent slice and boring work, convenient for production, production efficiency is high and production cost is low.Additionally the press mold frame of this radially oriented annular magnet also uses and has the upper guide plate of magnetic conductivity, upper punch, lower guide plate, low punch, middle core bar, magnetic conductive board, thus in the pressing process of magnet pressed compact, after upper coil and lower coil are conducted electricity, the magnetic conductive loop of Guan Bi can be formed, and then form, in the position of the magnet pressed compact of annular, the radially oriented magnetic aligning field radiated centered by middle core bar to magnetic conductive board, to realize the radially oriented of toroidal magnet of compacting is magnetized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the press mold frame of radially oriented annular magnet in this utility model embodiment.
Fig. 2 is the press mold frame working state figure of radially oriented annular magnet in this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
In use, the press mold frame of the radially oriented annular magnet in the present embodiment is contained in the frame of press, and coordinates the driving means of press to use.
As it is shown in figure 1, the press mold frame of the radially oriented annular magnet in the present embodiment, including supporting platform 1, mould 2, lead group, upper guide plate 4, upper punch 5, lower guide plate 6, low punch 7, middle core bar 8, magnetic conductive board 9, upper coil 10 and lower coil 20.
Supporting platform 1 to be fixedly mounted in the frame of press, mould 2 is then embedded and is supporting on platform 1.
Lead group includes the many leads 3 with magnetic conductivity, and the most each lead 3 is made by existing magnetic conductive material, and each lead 3 is installed in parallel in the frame of press.
Upper guide plate 4 is made up of existing magnetic conductive material, and on this, guide plate 4 is positioned at and supports the top of platform 1 and be arranged on each lead 3, and under press driving means drives, upper guide plate 4 axially can move up and down along lead 3.
Upper punch 5 is fixedly mounted on the lower surface of guide plate 4 such that it is able to move along with upper moving up and down of guide plate 4.Upper punch 5 hollow is arranged, and core bar 8 can stretch in upper punch 5 just in this.Upper punch 5 in the present embodiment includes extension 51 and the pressing part 52 being wholely set from top to bottom.The extension 51 of upper punch 5 is made up of existing magnetic conductive material, has magnetic conductivity accordingly.The pressing part 52 of upper punch 5 is then made up of non-magnet material.Being embedded with the magnetic conductive pole 41 with magnetic conductivity in upper guide plate 4, this magnetic conductive pole 41 extends downward in the extension of upper punch 5, and the extension inwall of this magnetic conductive pole 41 and upper punch 5 fits.Upper coil 10 correspondence is around outside the extension 51 being arranged on upper punch 5, and the axial height of the extension 51 of upper punch 5 is equal with the axial height of upper coil 10.
Lower guide plate 6 is made up of existing magnetic conductive material, and this lower guide plate 6 is positioned at and supports the lower section of platform 1 and be arranged on each lead 3, and under press driving means drives, lower guide plate 6 axially can move up and down along lead 3.
Low punch 7, is fixedly mounted on the upper surface of lower guide plate 6 such that it is able to move along with moving up and down of lower guide plate 6.Low punch 7 hollow is arranged, and middle core bar 8 can extend in low punch 7 just.Low punch 7 in the present embodiment includes extension 71 and the pressing part 72 being wholely set from bottom to top.The extension 71 of low punch 7 is made up of existing magnetic conductive material, has magnetic conductivity accordingly.The pressing part 72 of low punch 7 is then made up of non-magnet material.Lower coil 20 correspondence is around outside the extension 71 being arranged on low punch 7, and the axial height of the extension 71 of low punch 7 is equal with the axial height of lower coil 20.Additionally the concrete energising polarity of the energising opposite polarity of lower coil 20 and upper coil 10, the present embodiment coil 20 and upper coil 10 is concrete as shown in Figure 2.
Middle core bar 8 has magnetic conductivity, and in this, core bar 8 can be made up of existing magnetic conductive material.In this, core bar 8 passes in lower guide plate 6 and low punch 7 respectively and passes in the die cavity of mould 2.In the present embodiment, middle core bar 8 is driven by a motor 81 is independent, thus along mould 2 centrally along axially moving up and down.Motor in the present embodiment is servomotor, moves with core bar 8 in facilitating realization accurately to drive.The output shaft of this servomotor is connected with the lower end of middle core bar 8.
Magnetic conductive board 9 has magnetic conductivity, and this magnetic conductive board 9 is made up of existing magnetic conductive material.Magnetic conductive board 9 is arranged on support platform 1 and is connected with each lead 3, thus the convenient magnetic conductive loop forming UNICOM with lead 3, and this magnetic conductive board 9 is around being arranged on outside mould 2, to form the magnetic conductive loop of UNICOM with the middle core bar 8 in mould 2.
The nearly end form pressing process of toroidal magnet is as follows: under the driving effect of press driving means, lower guide plate 6 moves axially upward so that the pressing part 72 of low punch 7 stretches in the die cavity of mould 2.Then in mould 2, rare earth alloy powder is inserted by the feeding mechanism of press.After filling up powder in die cavity, under the effect of press driving means, in driving, guide plate 4 moves axially downwards, simultaneously drive middle core bar 8 to move axially upward, when the lower end of upper punch 5 touches the powder in die cavity, middle core bar 8 upper end stretches in upper punch 5, and the top of middle core bar 8 withstands on the lower surface of magnetic conductive pole 41 just.Upper coil 10 and lower coil 20 are energized, then go up guide plate 4, upper punch 5, lower guide plate 6, low punch 7, middle core bar 8, magnetic conductive board 9 formed magnetism guiding access be activated, thus formed as in Fig. 2 arrow indicate magnetism guiding access.From Figure 2 it can be seen that the magnetic field that the sensing of upper coil 10 is formed generates top-down magnetic flux on the top of middle core bar 8, and outwards form magnetic conductive loop respectively through magnetic conductive board 9, the top of lead 3, upper guide plate 4 and magnetic conductive pole 41 centered by middle core bar 8.The magnetic field that lower coil 20 sensing is formed generates magnetic flux from bottom to top in the bottom of middle core bar 8, and outwards forms magnetic conductive loop respectively through magnetic conductive board 9, the bottom of lead 3, lower guide plate 6 centered by middle core bar 8.Owing to magnetic conductive board 9 is around being arranged on outside mould 2, in the pressing process of toroidal magnet pressed compact, it is formed with magnetic aligning field centered by middle core bar 8, the most radially, so that ring-type magnet pressed compact to be magnetized uniformly.
Claims (5)
1. a press mold frame for radially oriented annular magnet, including
Support platform (1)；
Mould (2), is arranged on described support platform (1)；
It is characterized in that: also include
Lead group, be arranged in parallel including many and has the lead (3) of magnetic conductivity；
Upper guide plate (4), has magnetic conductivity and is positioned at the top of described support platform (1), described upper guide plate (4) can on move down
Dynamic is arranged on each lead (3)；
Upper punch (5), is arranged on the lower surface of guide plate (4), and described upper punch (5) has magnetic conductivity and hollow is arranged；
Lower guide plate (6), has magnetic conductivity and is positioned at the lower section of described support platform (1), described lower guide plate (6) can on move down
Dynamic is arranged on each lead (3)；
Low punch (7), is arranged on the upper surface of lower guide plate (6), and described low punch (7) has magnetic conductivity and hollow is arranged；
Middle core bar (8), have magnetic conductivity and can along mould (2) centrally along axially moving up and down, described middle core bar (8) is respectively
Pass in described lower guide plate (6) and low punch (7) and pass in described mould (2), and described middle core bar (8) can be stretched
Enter to upper punch (5) and can lead to upper guide plate (4) magnetic conductance；
Magnetic conductive board (9), is arranged on described support platform (1) and above and is connected with each lead (3), and described magnetic conductive board (9) is around setting
Put at described mould (2) outward；
Upper coil (10), around being arranged on described upper punch (5) outward；
Lower coil (20), around be arranged on described low punch (7) outward and with the opposite polarity of described upper coil (10).
The press mold frame of radially oriented annular magnet the most according to claim 1, it is characterised in that: described upper punch
Head (5) includes the extension (51) with magnetic conductivity and the pressing part (52) of non-magnetic being wholely set from top to bottom, described
Upper coil (10) is corresponding around being arranged on the extension (51) of described upper punch (5) outward；
Described low punch (7) includes the extension (71) with magnetic conductivity being wholely set from bottom to top and non-magnetic
Pressing part (72), described lower coil (20) is corresponding around being arranged on the extension (71) of described low punch (7) outward.
The press mold frame of radially oriented annular magnet the most according to claim 2, it is characterised in that: described upper punch
The axial height of the extension (51) of head (5) is equal with the axial height of described upper coil (10), the extension of described low punch (7)
Portion (71) axial height is equal with the axial height of described lower coil (20).
The press mold frame of radially oriented annular magnet the most according to claim 2, it is characterised in that: lead on described
In plate (4), be embedded with magnetic conductive pole (41), in described magnetic conductive pole (41) extends to the extension (51) of described upper punch (5) and with
The inwall of described extension (51) fits.
The press mold frame of radially oriented annular magnet the most according to claim 1, it is characterised in that: described SMIS
Bar (8) is moved up and down, the output shaft of described motor (81) and the lower end of described middle core bar (8) by independent driving of a motor (81)
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180713.5U CN205551463U (en) | 2016-03-09 | 2016-03-09 | Radiate press die carrier of oriented cyclic annular magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180713.5U CN205551463U (en) | 2016-03-09 | 2016-03-09 | Radiate press die carrier of oriented cyclic annular magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205551463U true CN205551463U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180713.5U Expired - Fee Related CN205551463U (en) | 2016-03-09 | 2016-03-09 | Radiate press die carrier of oriented cyclic annular magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205551463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842571A (en) * | 2017-11-21 | 2018-03-27 | 北华大学 | A kind of blind-guidance robot chassis and its balanced shock-absorbing device |
| CN107958776A (en) * | 2017-09-30 | 2018-04-24 | 浙江凯文磁钢有限公司 | A kind of method for improving the permanent-magnet ferrite rectangular magnet shaping degree of orientation |
-
2016
- 2016-03-09 CN CN201620180713.5U patent/CN205551463U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958776A (en) * | 2017-09-30 | 2018-04-24 | 浙江凯文磁钢有限公司 | A kind of method for improving the permanent-magnet ferrite rectangular magnet shaping degree of orientation |
| CN107958776B (en) * | 2017-09-30 | 2020-05-19 | 浙江凯文磁钢有限公司 | Method for improving forming orientation degree of permanent magnetic ferrite rectangular magnet |
| CN107842571A (en) * | 2017-11-21 | 2018-03-27 | 北华大学 | A kind of blind-guidance robot chassis and its balanced shock-absorbing device |
| CN107842571B (en) * | 2017-11-21 | 2023-08-01 | 北华大学 | Blind guiding robot chassis and balance damping device thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170309 |