CN207517512U - Elevating type radiation oriented moulding mechanism - Google Patents
Elevating type radiation oriented moulding mechanism Download PDFInfo
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- CN207517512U CN207517512U CN201721581038.8U CN201721581038U CN207517512U CN 207517512 U CN207517512 U CN 207517512U CN 201721581038 U CN201721581038 U CN 201721581038U CN 207517512 U CN207517512 U CN 207517512U
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- mold core
- exciting coil
- magnet exciting
- seaming chuck
- push
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Abstract
The utility model discloses a kind of elevating type radiation oriented moulding mechanism, including:Upper magnet exciting coil, lower magnet exciting coil, seaming chuck, push-down head, material chamber, mold core, former;Seaming chuck, push-down head are mounted in former;Seaming chuck, push-down head are provided with mold core channel in axial location respectively, and mold core is mounted in mold core channel;Upper magnet exciting coil, lower magnet exciting coil are separately positioned on the outer wall of former.The utility model can solve to be orientated incomplete, the non-uniform technical barrier of orientation caused by current radiation field is relatively low, while can increase packed height using the utility model, realize the preparation of Gao Bihuan.
Description
Technical field
The utility model is related to a kind of powder radiation field forming techniques, specifically, are related to a kind of elevating type radiation orientation
Shaping mechanism.
Background technology
With deepening continuously for intelligent production theory, for the high-performance and high accuracy servo as intelligentized control method core
The demand of motor is more and more urgent, and the radial oriented radiation multipolar magnetic ring of high-performance of the title with servo motor heart equally draws
The great attention of people is played and hot spot that permanent-magnet material circle is competitively developed in recent years.Radiation multipolar magnetic ring is to send out in recent years
The new product of exhibition because being integral radiation magnet ring, can directly magnetize as radiation or multipole in surfaces externally and internally, splice with shoe block
Magnet ring compared to having many advantages, such as between magnetic pole small transition region, good dynamic balance, high precision machining, easy to install.It is equipped with this kind of magnet ring
Magneto have many advantages, such as that precision is high, operates steadily, low noise, be the first choice of high-precision control motor, can expire well
The requirement of the intelligent production of foot.
Radiation multipolar magnetic ring is divided by production method:Bond radiation multipolar magnetic ring, hot extrusion radiation multipolar magnetic ring and powder
The metallurgy sintered radiation multipolar magnetic ring in end.Bond radiation multipolar magnetic ring there is magnetic property it is low the shortcomings that, hot extrusion radiation multipolar magnetic
The production cost of ring is expensive, and powder metallurgy sintered radiation multipolar magnetic ring has the advantages that magnetic property is high, low production cost is standby
It is paid close attention to by people.
China Patent No. 011115092 discloses a kind of multiple polymerization and radiation orientation process of forming and preparing of magnet ring, the party
Method uses multiple magnetic poles, and size of current and direction by control coil make pole polarity identical, then leading by soft magnetic materials
Magnetic forms radiation field, and this method solve tradition is narrow to pole alignment magnetic field effective district, it is impossible to produce the problem of Gao Bihuan.
Chinese publication number CN103971917A discloses the forming method and its equipment of sintered NdFeB radiation magnetic loop, the party
Method is preforming to magnetic powder progress magnetic field orientating first, obtains preform, several preforms then are passed through a metal
Mandrel is worn, then by isostatic pressed and sintering, these preforming magnet rings is synthesized a domain, this method can solve
Current sintering magnetic Nd-Fe-B ring the problem of existing alignment magnetic field cannot be taken into account with magnet ring in process of production.
Chinese publication number CN101162646A discloses a kind of along radius or the annular magnetic of diametric(al) radiation orientation
Forming method, this method is to be changed to alignment magnetic field by generally use 360 ° distributions only to account for 360 ° of very little part, will
In forming process the relative status of magnetic powder and alignment magnetic field by generally use it is opposing stationary be changed to relative motion, this method exists
Largely improve orientation field.
The defects of alignment magnetic field is relatively low, alignment magnetic field effective district is narrow is the difficulty overcome in terms of magnet ring molding all the time
Point and prepare the restricted bottleneck problem of high-performance radiation multipolar magnetic ring that is highly oriented, having good uniformity.
Utility model content
The technical issues of the utility model solves is to provide a kind of elevating type radiation oriented moulding mechanism, can solve mesh
Orientation caused by previous irradiation magnetic field is relatively low is incomplete, the non-uniform technical barrier of orientation, while can increase packed height, realizes
The preparation of Gao Bihuan.
Technical solution is as follows:
A kind of elevating type radiation oriented moulding mechanism, including:Upper magnet exciting coil, lower magnet exciting coil, seaming chuck, push-down head,
Expect chamber, mold core, former;Seaming chuck, push-down head are mounted in former;Seaming chuck, push-down head are provided with mold core in axial location respectively
Channel, mold core are mounted in mold core channel;Upper magnet exciting coil, lower magnet exciting coil are separately positioned on the outer wall of former.
Further:Seaming chuck, push-down head, mold core, former surround material chamber, and material chamber is used for placing powder.
Further:Mold core includes upper mold core, lower mold core, and contact surface is plane or circular conical surface.
Further:Mold core individually or is combined using permeability magnetic material.
Compared with prior art, the utility model technique effect includes:
It can solve to be orientated incomplete, the non-uniform skill of orientation caused by current radiation field is relatively low using the utility model
Art problem, while the utility model can increase packed height, realize the preparation of Gao Bihuan, it is specific as follows:
1st, upper magnet exciting coil, two coils of lower magnet exciting coil distance can adjust very narrow, can effectively squeeze magnetic field, make
The radiation magnetic field strength bigger of formation;
2nd, using the radiation field formed to extruding, Distribution of Magnetic Field is more uniform in identical parallel plane, in magnetic field and magnetic
Above and below powder during relative motion, the orientation process suffered by magnetic powder is consistent, is more advantageous to that uniform magnet ring is made;
3rd, it is moved upwards in magnetic field, when magnetic powder moves downward, due to the effect in magnetic field, material chamber middle and upper part magnetic powder can be made under
Portion's magnetic powder generates gap, is conducive to powder rotational alignment, improves the degree of orientation in entire forming process;
4th, the effective district in the wall high heel magnetic field of magnet ring is unrelated, only and the relative motion distance dependent of magnetic field and mold, pass through
Extend the distance and producing for Gao Bihuan then can be achieved.
Description of the drawings
Fig. 1 is the usage state diagram of elevating type radiation oriented moulding mechanism in the utility model;
Fig. 2 is the usage state diagram of embodiment 1 in the utility model;
Fig. 3 is the usage state diagram of embodiment 2 in the utility model.
Specific embodiment
It elaborates below with reference to example embodiment to technical solutions of the utility model.However, example embodiment
It can implement in a variety of forms, and be not understood as limited to embodiment set forth herein;On the contrary, provide these embodiments
So that the utility model is more comprehensively and completely, and the design of example embodiment is comprehensively communicated to those skilled in the art
Member.
As shown in Figure 1, it is the usage state diagram of elevating type radiation oriented moulding mechanism in the utility model.
Elevating type radiation oriented moulding mechanism, including:Upper magnet exciting coil 1, lower magnet exciting coil 2, seaming chuck 3, push-down head 4,
Expect chamber 5, mold core 6, former 7.
Pressure head (seaming chuck 3, push-down head 4) is in former 7, and seaming chuck 3, push-down head 4 are by the relatively low material of magnetic conductivity
Individually or it is combined;Seaming chuck 3, push-down head 4 are provided with mold core channel in axial location respectively, and mold core 6 is mounted on mold core channel
It is interior;Upper magnet exciting coil 1, lower magnet exciting coil 2 are separately positioned on the outer wall of former 7.Upper magnet exciting coil 1, lower magnet exciting coil 2 can match
Standby heat eliminating medium, the electric current of magnet exciting coil (upper magnet exciting coil 1, lower magnet exciting coil 2) can be adjusted arbitrarily;Magnet exciting coil can be by producing
The permanent magnet of raw similary magnetic field effect substitutes.Mold core 6 individually or is combined by the good material of magnetic conductivity.
Material chamber 5 is surrounded by seaming chuck 3, push-down head 4, mold core 6, former 7, and material chamber 5 is used for placing powder.
Elevating type radiation oriented moulding method, integrally includes:Charging, molding, magnetic field promote orientation, compacting, demoulding, specifically
Include the following steps:
Step 1:Seaming chuck 3 is promoted, makes occur gap between seaming chuck 3 and former 7, then adds powder by gap
In pan feeding chamber, seaming chuck 3, which moves down, is closed material chamber;
Step 2:Stream is electrified for upper excitation wire 1, lower magnet exciting coil 2, and excitation wire 1, lower magnet exciting coil 2 is made to generate instead
To magnetic field is squeezed, radiation field is formed after extruding;Pass through upper excitation wire 1, the relative displacement pair of lower magnet exciting coil 2 and mold simultaneously
Powder carries out magnetic field radiation orientation and demagnetization;
Step 3:Seaming chuck 3 or push-down head 4 move, and by powder pressing circlewise blank, utilize pressure head and mold core, former
Between relative movement demould annular blank.
Embodiment 1
As shown in Fig. 2, it is the usage state diagram of embodiment 1 in the utility model.
Mold core 6 includes upper mold core 8, lower mold core 9, can independently move.
The former 7 of mold and lower mold core 9 is fixed, mixed up between upper excitation wire 1, lower magnet exciting coil 2 it is certain between
Away from, and fix relative position and form coil group;Coil group can be moved up and down along the outer wall of former 7.Seaming chuck 3, push-down head 4,
Upper mold core 8, lower mold core 9 can be moved independently up and down.Upper mold core 8, lower mold core 9 are made of soft magnetic materials, and contact surface is
Plane or circular conical surface.
Seaming chuck 3 is lifted into certain altitude (according to feed way, upper mold core 8 selection carry or do not carry) first, make its with
Gap is generated between former 7, then adds in powder by 4 groups of mold core 6, former 7 and seaming chuck 3, push-down head by the gap
Into material chamber in;Seaming chuck 3 is moved down with upper mold core 8 is closed material chamber;Stream is electrified, and generate coil group for coil group
Reverse extrusion magnetic field forms radiation field, while powder progress magnetic field radiation is taken by moving up and down for coil group after extruding
To being individually moved or moved towards simultaneously to magnetic powder compression moulding by seaming chuck 3, push-down head 4;Then lead to again to coil group
The reverse current of one constant current generates opposing magnetic field and demagnetizes to magnetic powder.It is high that the amplitude that coil group moves up and down is more than charging
Degree.Annular blank material is demoulded using the relative movement between seaming chuck 3, push-down head 4 and mold core 6, former 7.
Embodiment 2
Mold core 6 includes upper mold core 8, lower mold core 9.
As shown in figure 3, it is the usage state diagram of embodiment 2 in the utility model.
Upper excitation wire 1, lower magnet exciting coil 2 are adjusted into certain spacing and fixed, formation coil group.Seaming chuck 3, under
Pressure head 4, upper mold core 8, lower mold core 9 can be moved independently up and down.Upper mold core 8 is made with lower mold core 9 of soft magnetic materials, is connect
Contacting surface is plane or circular conical surface.
Seaming chuck 3 is lifted into certain altitude (according to feed way, the selection of upper mold core 8 is carried or do not carried) first, makes pressure
Gap is generated between first 3 and former 7, then adds in powder by mold core 6, former 7, seaming chuck 3, push-down head 4 by the gap
In the material chamber of composition;Seaming chuck 3 is moved downward with upper mold core 8 is closed material chamber;It is electrified for upper excitation wire 1, lower magnet exciting coil 2
Stream, and excitation wire 1, lower magnet exciting coil 2 is made to generate reverse extrusion magnetic field, form radiation field after extruding.Upper and lower synchronous vibration
The integral part being made of upper mold core 8, lower mold core 9, seaming chuck 3, push-down head 4, former 7 and material chamber, makes the integral part exist
It is orientated in radiation field, being then individually moved or moved towards simultaneously to magnetic powder compression moulding by seaming chuck 3, push-down head 4;
Then lead to reverse current to upper excitation wire 1, lower magnet exciting coil 2 again and generate opposing magnetic field, demagnetize to magnetic powder.On integral part
The amplitude of lower movement is more than charging height.Make blank using the relative movement between seaming chuck 3, push-down head 4 and mold core 6, former 7
Demoulding.
Term used in the utility model is explanation and term exemplary, and not restrictive.Due to the utility model energy
The enough spirit or essence being embodied in a variety of forms without departing from utility model, it should therefore be appreciated that above-described embodiment is unlimited
In any aforementioned details, and should widely be explained in the spirit and scope that appended claims are limited, therefore fall into power
Whole variations and remodeling in profit requirement or its equivalent scope all should be appended claims and covered.
Claims (4)
1. a kind of elevating type radiation oriented moulding mechanism, it is characterised in that:Including upper magnet exciting coil, lower magnet exciting coil, seaming chuck,
Push-down head, material chamber, mold core, former;Seaming chuck, push-down head are mounted in former;Seaming chuck, push-down head are opened respectively in axial location
There is mold core channel, mold core is mounted in mold core channel;Upper magnet exciting coil, lower magnet exciting coil are separately positioned on the outer wall of former.
2. elevating type radiation oriented moulding mechanism as described in claim 1, it is characterised in that:Seaming chuck, push-down head, mold core, the moon
Mould surrounds material chamber, and material chamber is used for placing powder.
3. elevating type radiation oriented moulding mechanism as described in claim 1, it is characterised in that:Mold core includes upper mold core, lower mold core,
The contact surface of upper mold core and lower mold core is plane or circular conical surface.
4. elevating type radiation oriented moulding mechanism as described in claim 1, it is characterised in that:Mold core using permeability magnetic material individually or
It is combined.
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CN201721581038.8U CN207517512U (en) | 2017-11-22 | 2017-11-22 | Elevating type radiation oriented moulding mechanism |
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CN201721581038.8U CN207517512U (en) | 2017-11-22 | 2017-11-22 | Elevating type radiation oriented moulding mechanism |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107978443A (en) * | 2017-11-22 | 2018-05-01 | 包头稀土研究院 | Elevating type radiation oriented moulding method and mechanism |
CN110165847A (en) * | 2019-06-11 | 2019-08-23 | 深圳市瑞达美磁业有限公司 | The production method of the solid magnet of radial anisotropic multipole of different in width waveform |
-
2017
- 2017-11-22 CN CN201721581038.8U patent/CN207517512U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107978443A (en) * | 2017-11-22 | 2018-05-01 | 包头稀土研究院 | Elevating type radiation oriented moulding method and mechanism |
CN110165847A (en) * | 2019-06-11 | 2019-08-23 | 深圳市瑞达美磁业有限公司 | The production method of the solid magnet of radial anisotropic multipole of different in width waveform |
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