CN207134233U - One kind is used for special radial magnetic-field orientation forming module - Google Patents
One kind is used for special radial magnetic-field orientation forming module Download PDFInfo
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- CN207134233U CN207134233U CN201721084687.7U CN201721084687U CN207134233U CN 207134233 U CN207134233 U CN 207134233U CN 201721084687 U CN201721084687 U CN 201721084687U CN 207134233 U CN207134233 U CN 207134233U
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Abstract
The utility model discloses one kind to be used for special radial magnetic-field orientation forming module, upper punching and cavity plate including mutual cooperation, the bottom of the cavity plate is connected with closed plate, magnetic inductive block is provided with the die cavity of cavity plate, the periphery of the magnetic inductive block is provided with several first coil groups, permanent magnetism chamber is offered on magnetic inductive block, permanent magnetism intracavitary is provided with core rod, the undershoot being adapted with the permanent magnetism chamber is connected with core rod, the permanent magnetism intracavitary is filled with magnetic, the end of the undershoot is connected with the second coil group, the second coil group, the magnetic line of force of first coil group and core rod forms regular closed-loop path in the cavity plate.The utility model can improve the magnetic property of magnet, strengthen briquetting pressure magnetic field vertical in die cavity, improve the degree of orientation of magnetic in die cavity, suitable for the more accurate equipment such as instrument, motor.
Description
Technical field
Magnetic-field orientation forming module is the utility model is related to, it is more particularly to a kind of to be used for special radial magnetic field orientating shaping mould
Tool.
Background technology
Radial oriented mould occupies very big proportion in the application field that detection device manufactures, especially instrument,
Use on motor is more prominent.Wherein, annular magnetic steel is a kind of current most popular magnetic material.However, due to this
It is in what is be axially distributed that the magnetic circuit of kind annular magnetic steel, which is typically, thus its use range is very restricted.Patent announcement number is
CN CN2881914Y patent discloses a kind of Singleline bag special magnetic-field forming module, including lead, be arranged on lead it
Between upper die component and lower mold assemblies, be provided with the line bag that magnetizes in described lower mold assemblies periphery, lower mold assemblies include having through hole
Lower cavity die, the core bar being inserted in lower cavity die through hole is inserted with lower punch in the nearly bottom of through hole, above-mentioned lower cavity die, core bar and under
Punch-pin forms an annular die cavity, and the upper mould fixed block of upper die component is pressed on die cavity；It is provided with the periphery of lower cavity die by strong
Introduction by magnetic field plate made of permeability magnetic material.The Special magnetic-field orientation forming module can be produced not by changing the size of mould
The ring-shaped magnetic body of same specification, instead of traditional magnet steel, have it is compact-sized, parts are few, and mould development difficulty is small, operation and
The advantage such as easy to use.
However, the alignment magnetic field of the instrument and equipment of early stage is 1.8T or so (relevant with anode-cathode distance), with magnet
Coercitive increase is reported, required alignment magnetic field has increased to more than 3T, and the magnetic property of the product made using such scheme is simultaneously
Not high, Distribution of Magnetic Field is not uniform enough, it is difficult to meets job requirement.
Utility model content
The utility model in view of the above-mentioned problems of the prior art, provide it is a kind of be used for special radial magnetic field orientating into
Pattern has, to solve the problems mentioned in the above background technology.
In order to realize above-mentioned purpose, the utility model uses following technical measures：
One kind is used for special radial magnetic-field orientation forming module, including the upper punching of mutual cooperation and cavity plate, the cavity plate
Bottom is connected with closed plate, and magnetic inductive block is provided with the die cavity of cavity plate, and the periphery of the magnetic inductive block is provided with several first coil groups,
Permanent magnetism chamber is offered on magnetic inductive block, permanent magnetism intracavitary is provided with core rod, and the undershoot being adapted with the permanent magnetism chamber is connected with core rod,
The permanent magnetism intracavitary is filled with magnetic, and the end of the undershoot is connected with the second coil group, the second coil group, first coil
Group and the magnetic line of force of core rod form closed-loop path in the cavity plate.
Preferably, the cavity plate, sealing plate use magnetic conductive metal material, the cavity wall of the upper punching, undershoot and permanent magnetism chamber
It is made from not permeability alloys material.
Preferably, the magnetic inductive block is prismatic structures or cylindrical structural, three are connected with the outer wall of magnetic inductive block
First coil group.
Preferably, three first coil groups are set in qually spaced in the outer wall of the magnetic inductive block, the magnetic inductive block leads to
Cross the upper end that three first coil groups are fixed on the die cavity, the angle between two neighboring first coil group is 50 °-
80°。
Preferably, the cavity plate, sealing plate use magnetic conduction iron material, the magnetic inductive block is made up of pure iron, the core rod
For permeability alloys.
Preferably, the first coil group and the second coil group are entwined using enamel covered wire.
The beneficial effects of the utility model are：
For the more accurate equipment such as instrument, motor, magnetic property, magnet-wire orientation effect to magnet are respectively provided with certain
It is required that and mould of the present utility model carries out special take by the magnetic line of force caused by first coil group and the second coil group to magnetic
To obtain the magnet ring of radial radiation.During energization shaping, the undershoot of the upper tight cavity plate of punching press, the magnetic of permanent magnetism intracavitary is changed into magnetic
Body rotor, with first coil group and the second coil group caused by magnetic line of force mutual cooperation work, form complete magnetic conductive loop knot
Structure, and the second coil group is arranged on undershoot end, first coil group, the magnetic field line of the second coil group are directed to core rod so that mould
Core magnetic conductivity improves, and can effectively improve the magnetic property of magnet, strengthens briquetting pressure magnetic field vertical in die cavity.
Brief description of the drawings
Fig. 1 is the top view of embodiment one；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is that the magnetic line of force of embodiment one moves towards figure；
Fig. 4 is the PM rotor magnetic pole schematic diagram of embodiment one；
Fig. 5 is that the magnetic line of force of embodiment two moves towards figure；
Fig. 6 is the PM rotor magnetic pole schematic diagram of embodiment two.
Wherein, 1-cavity plate, 2-closed plate, 3-core rod, 4-die cavity, 5-first coil group, 6-the second coil groups,
7-permanent magnetism chamber, 8-magnetic inductive block, 9-undershoot, 10-undershoot.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one：As shown in Figure 1 and Figure 2, it is a kind of to be used for special radial magnetic-field orientation forming module, including cooperate
Upper punching 10 and cavity plate 1, the bottom of the cavity plate 1 is connected with closed plate 2, magnetic inductive block 8 is provided with the die cavity 4 of cavity plate 1, described to lead
The periphery of magnetic patch 8 is provided with several first coil groups 5, offers permanent magnetism chamber 7 on magnetic inductive block 8, core rod 3 is provided with permanent magnetism chamber 7,
The undershoot 9 being adapted with the permanent magnetism chamber 7 is connected with core rod 3, magnetic, the end of the undershoot 9 are filled with the permanent magnetism chamber 7
End is connected with the second coil group 6, the second coil group 6, the magnetic line of force of first coil group 5 and core rod 3 shape in the cavity plate 1
Into regular closed-loop path.The coil group 6 of first coil group 5 and second is entwined using enamel covered wire.In this implementation
In example, the bottom of the core rod 3 connects the closed plate 2, and the second coil group 6 connects the end of the core rod 3, the First Line
Circle group 5 is identical with the magnetic direction of the second coil group 6, and the first coil group 5, the S poles of the second coil group 6 are directed to institute
State core rod 3 so that the polarity of core rod 3 is shown as S poles, magnetic, after energization, institute being filled with the permanent magnetism chamber 7 of the periphery of core rod 3
State and rush 10 compression cavity plates 1, the magnetic pressing mold in permanent magnetism chamber 7 is permanent magnet, to obtain the magnet ring of radial radiation（Such as Fig. 4 institutes
Show）.
With reference to figure 1, Fig. 3, the magnetic inductive block 8 is prismatic structures or cylindrical structural, is connected with the outer wall of magnetic inductive block 8
Two, three, four, five, six or more first coil groups 5.In order that the Distribution of Magnetic Field obtained in die cavity 4 is uniform, orientation
Unified, several described first coil groups 5 are set in qually spaced in the outer wall of the magnetic inductive block 8, and the magnetic inductive block 8 passes through described the
One coil group 5 is fixed on the upper end of the die cavity 4, and the angle between two neighboring first coil group 5 is 50 ° -80 °.In this reality
Apply in example, the magnetic inductive block 8 is hexagon structure, and the first coil group 5 is provided with three, three first coil groups 5
It is set in qually spaced in the outer wall of the magnetic inductive block 8, the angle between two neighboring first coil group 5 is 60 °, and two neighboring
Angle between one coil group 5 can be 50 °, 51 °, 52 °, 53 °, 54 °, 55 °, 56 °, 57 °, 58 °, 59 °, 60 °, 61 °, 62 °,
63 °, 64 °, 65 °, 66 °, 67 °, 68 °, 69 °, 70 °, 71 °, 72 °, 73 °, 74 °, 75 °, 76 °, 77 °, 78 °, 79 ° or 80 °, at this
In individual scope, the Distribution of Magnetic Field in die cavity 4 is uniform, and the angle by adjusting angle can be achieved to adjust first coil group 5
Coverage, so as to realize the magnetic field intensity in adjustment die cavity 4, both can guarantee that the magnetic field intensity in die cavity 4, moreover it is possible to save the
The copper wire material of one coil group 5, controllability are high.
The cavity plate 1, sealing plate 2 use magnetic conduction iron material, and the core rod 3 is permeability alloys.The permanent magnet and first
Magnetic line of force mutual cooperation work caused by the coil group 6 of coil group 5 and second, complete magnetic conductive loop structure is formed in die cavity 4,
The first coil group 5 produces the alignment magnetic field for being radially directed towards core rod 3 and permanent magnet, the magnetic of the second coil group 6 of the end of core rod 3
The line of force is identical with the magnetic line of force direction of the first coil group 5, and the S poles of the second coil group 6, which send the magnetic line of force, to be needed to pass through mould
Core 3 returns to the N poles of the second coil group 6, effectively strengthens the magnetic field intensity of core rod 3, radial magnetic force caused by the first coil group 5
For line under the effect that repels each other of the second coil group 6, the magnetic line of force being converted at core rod 3 vertically downward reaches closed plate 2, the magnetic line of force
The N poles of first coil group 5 are returned to by the closed plate 2 and the side wall of cavity plate, the neat loop of direction rule is formed and completely leads
Magnetic-path, the disorder of the magnetic field of cavity plate 1 can be effectively reduced, improve the magnetic property of magnet, strengthen briquetting pressure magnetic vertical in die cavity 4
, reduce magnetic field disorder performance impact to caused by permanent magnet.The cavity plate 1, sealing plate 2 outer wall can be covered with obstructed magnetic
Insulating materials, the insulating materials are fiberglass, glass cloth laminated sheet or epoxy plate, the core rod 3 and the sealing plate 2, the
Connected between one coil group 5 and cavity plate 1 and first coil group 5 and the sealing plate 2 by logical magnetic groove, it is ensured that magnetic field
Direction, it is disorderly to reduce magnetic field.
Because the upper punching 10, undershoot 9, the cavity wall of permanent magnetism chamber 7 only provide shaping effect, if using permeability magnetic material, meeting
Influence the magnetic orientation of magnet, it is necessary to individually produce magnetic field, therefore, the upper punching by the coil group 6 of first coil group 5 and second
10th, undershoot 9, the cavity wall of permanent magnetism chamber 7 are made from not permeability alloys material, not the optional titanium alloy of permeability alloys, aluminium alloy or
Other alloys, the anti-wear performance for the cavity wall for improving permanent magnetism chamber 7 while the effect of magnet magnetic conduction is improved, improves die life.It is described
Magnetic conductive metal material is magnetic conduction iron, and the magnetic inductive block 8 is made up of pure iron, and the permeability of magnetic inductive block 8 reaches more than 400, is advantageous to
The magnetic line of force reaches core rod 3.
Fig. 4 is PM rotor magnetic pole schematic diagram, in the present embodiment, it is upper punching 10 compression magnetics after be powered, make magnetic into
Type simultaneously becomes PM rotor, the rotor of the permanent magnet in the presence of first coil group 5, the second coil group 6 and core rod 3,
Magnetic is distributed in a manner of annulus, effectively improves the degree of orientation of magnetic, and the internal diameter of the rotor of the permanent magnet is that S poles external diameter is
N poles.
Embodiment two, the present embodiment and the distinctive points of the above embodiments one are：With reference to figure 5, the first coil group
5 N poles point to the core rod 3, the N pole-faces of the second coil group 6 are to the core rod 3, the permanent magnet and first coil
The magnetic line of force mutual cooperation work caused by coil group 6 of group 5 and second, leading in the opposite direction is formed with embodiment one in die cavity 4
Magnetic loop.
With reference to figure 6, it is powered after the upper compression of punching 10 magnetic, is molded magnetic and becomes magnetic stator, the permanent magnet is determined
Son is in the presence of first coil group 5, the second coil group 6 and core rod 3, and magnetic is distributed in a manner of annulus, and the permanent magnet
The internal diameter of rotor be that N poles external diameter is S poles.
In summary, mould of the present utility model by the magnetic line of force caused by first coil group and the second coil group to magnetic
Carry out particular orientation, to obtain the magnet ring of radial radiation, the magnetic of permanent magnetism intracavitary is changed into magnet rotor, with first coil group and
Magnetic line of force mutual cooperation work caused by second coil group, complete magnetic conductive loop is formed, and the second coil group is arranged on undershoot
End, first coil group, the magnetic field line of the second coil group are directed to core rod so that core rod magnetic conductivity improves, and can effectively improve magnetic
The magnetic property of body, strengthen vertical briquetting pressure magnetic field in die cavity so that the Distribution of Magnetic Field in die cavity is uniform, suitable for instrument,
The more accurate equipment such as motor.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (6)
1. one kind is used for special radial magnetic-field orientation forming module, include the upper punching of mutual cooperation（10）And cavity plate（1）, its feature
It is：The cavity plate（1）Bottom be connected with closed plate（2）, cavity plate（1）Die cavity（4）It is interior to be provided with magnetic inductive block（8）, it is described to lead
Magnetic patch（8）Periphery be provided with several first coil groups（5）, magnetic inductive block（8）On offer permanent magnetism chamber（7）, permanent magnetism chamber（7）Inside set
It is equipped with core rod（3）, core rod（3）On be connected with and the permanent magnetism chamber（7）The undershoot being adapted（9）, the permanent magnetism chamber（7）Interior filling
There are magnetic, the undershoot（9）End be connected with the second coil group（6）, the second coil group（6）, first coil group（5）With
Core rod（3）The magnetic line of force in the cavity plate（1）It is interior to form regular closed-loop path.
2. one kind according to claim 1 is used for special radial magnetic-field orientation forming module, it is characterised in that the cavity plate
（1）, sealing plate（2）Using magnetic conductive metal material, the upper punching（10）, undershoot（9）With permanent magnetism chamber（7）Cavity wall from not leading
Permalloy material is made.
3. one kind according to claim 1 is used for special radial magnetic-field orientation forming module, it is characterised in that the magnetic conduction
Block（8）For prismatic structures or cylindrical structural, magnetic inductive block（8）Outer wall on be connected with three first coil groups（5）.
4. one kind according to claim 3 is used for special radial magnetic-field orientation forming module, it is characterised in that described three
First coil group（5）It is set in qually spaced in the magnetic inductive block（8）Outer wall, the magnetic inductive block（8）Pass through three First Lines
Circle group（5）It is fixed on the die cavity（4）Upper end, two neighboring first coil group（5）Between angle be 50 ° -80 °.
5. one kind according to claim 2 is used for special radial magnetic-field orientation forming module, it is characterised in that the cavity plate
（1）, sealing plate（2）Using magnetic conduction iron material, the magnetic inductive block（8）It is made up of pure iron, the core rod（3）For permeability alloys.
6. one kind according to claim 1 is used for special radial magnetic-field orientation forming module, it is characterised in that described first
Coil group（5）With the second coil group（6）It is entwined using enamel covered wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084687.7U CN207134233U (en) | 2017-08-28 | 2017-08-28 | One kind is used for special radial magnetic-field orientation forming module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721084687.7U CN207134233U (en) | 2017-08-28 | 2017-08-28 | One kind is used for special radial magnetic-field orientation forming module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134233U true CN207134233U (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721084687.7U Active CN207134233U (en) | 2017-08-28 | 2017-08-28 | One kind is used for special radial magnetic-field orientation forming module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331500A (en) * | 2017-08-28 | 2017-11-07 | 佛山市顺德区江粉霸菱磁材有限公司 | One kind is used for special radial magnetic-field orientation forming module |
-
2017
- 2017-08-28 CN CN201721084687.7U patent/CN207134233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331500A (en) * | 2017-08-28 | 2017-11-07 | 佛山市顺德区江粉霸菱磁材有限公司 | One kind is used for special radial magnetic-field orientation forming module |
| CN107331500B (en) * | 2017-08-28 | 2024-02-23 | 佛山市顺德区江粉霸菱磁材有限公司 | Special radial magnetic field orientation forming die |
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