CN2591722Y - Electric magnet apparatus for multi-pole magnetic ring forming - Google Patents
Electric magnet apparatus for multi-pole magnetic ring forming Download PDFInfo
- Publication number
- CN2591722Y CN2591722Y CN 02256376 CN02256376U CN2591722Y CN 2591722 Y CN2591722 Y CN 2591722Y CN 02256376 CN02256376 CN 02256376 CN 02256376 U CN02256376 U CN 02256376U CN 2591722 Y CN2591722 Y CN 2591722Y
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- magnetic
- iron core
- magnet apparatus
- electric magnet
- yokes
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- Expired - Fee Related
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Abstract
The utility model relates to an electric magnet apparatus for forming a multi-pole magnetic ring, which comprises a cruciform iron core, electromagnetic coils arranged at each end of the iron core, an electric-conducting concave die fixed to the central position of the iron core, and transverse magnetic yokes fixed to the periphery of the iron core. The magnetic yokes of the electric magnet apparatus are transverse magnetic yokes, namely that the heights of the electric yokes arranged at the upper position and the lower position of the iron core are lower, or the thickness of each magnetic yoke is a little higher than or equal to the thickness of the iron core, and the periphery of the iron core is provided with magnetic yokes. Thereby, each coil forms a magnetic circuit mainly by the iron core and the transverse magnetic yokes of the coil, and the magnetic circuit is parallel to a magnetic ring formed by pressing. The utility model solves the problem that the magnetic circuit in the prior art is formed by the inner cores of an upper press head and a lower press head of a presser, and overcomes the defect that the strength of the magnetic field is limited by the magnetic saturation of the inner cores of the upper press head and the lower press head of the presser. Compared with the prior art, the electric magnet apparatus of the utility model has the advantage of reasonable design, and the strength of the orientating magnetic field generated by the electric magnet apparatus is improved greatly. When the electric magnet apparatus is used on magnetic ring pressers, multi-pole magnetic rings with large height diameters can be pressed.
Description
Technical field
The utility model relates to a kind of electromagnet, is specially multi-pole magnet-ring moulding electromagnet apparatus, is mainly used on the said magnetic powder material pressure forming apparatus, on the magnet ring moulding press.
Background technology
The alignment magnetic field that electromagnet apparatus in the existing magnet ring moulding press produces is a radiation field, therefore the magnet ring that is pressed into also is radiation magnetic loop, it as the patent No. electromagnet apparatus in a kind of magnet ring shaped device of 01209054.9, it comprises the magnetic bobbin core of " a ten " font, the solenoid of symmetric arrangement on the iron core, the molding concave die in centre unshakable in one's determination, with the fixing vertical yoke of two sides of magnetic bobbin core, when this electromagnet apparatus is used on the press, its iron core, vertical yoke, the inner core of push-down head forms closed magnetic circuit on the press, the magnetic field that each coil forms is must be through magnetic circuit with the inner core of push-down head on the press all, when suppressing the magnet ring of ratio of height to diameter big (as ratio of height to diameter 〉=1/2), little many of the area of the inner core section ratio magnet ring circumference of pressure head, and because the inner core of last push-down head easily produces magnetic saturation, the radiation field intensity that is used for the magnet ring orientation is low, therefore, the structures shape of electromagnet apparatus above-mentioned existing magnet ring shaped device can only suppress the less magnet ring of ratio of height to diameter.
Summary of the invention
The utility model solves the electromagnet apparatus unreasonable structure on the existing magnet ring moulding press, thereby the problem that can not suppress the bigger magnet ring of ratio of height to diameter, and a kind of multi-pole magnet-ring moulding electromagnet apparatus of architecture advances is provided.
The utility model is that the following technical scheme of employing realizes: multi-pole magnet-ring moulding electromagnet apparatus, comprise the solenoid on " ten " shaped iron core, each end unshakable in one's determination, the magnetic conduction die of fixing in centre unshakable in one's determination, and around iron core, be fixed with horizontal yoke.Because the yoke of this electromagnet apparatus is horizontal yoke, be that the thickness of yoke itself omits height or fair than thickness unshakable in one's determination to the height of yoke about iron core than hanging down in other words, and around iron core, be provided with yoke, therefore, each coil mainly can form the magnetic circuit parallel with the magnet ring that is pressed moulding by its unshakable in one's determination and horizontal yoke, need not as prior art, must rely on the inner core of the last push-down head of press to constitute magnetic circuit, and make the magnet ring alignment magnetic field become quadripolar magnetic field by existing radiation field, the magnetic field that each coil produces enters from quarter turn, comes out from 1/8 circumference that faces mutually.Overcome the restriction of the inner core magnetic saturation of push-down head on the press to magnetic field intensity, the magnetic field intensity that this electromagnet apparatus is produced is improved largely, and makes press be equipped with this electromagnet apparatus and can suppress the bigger magnet ring of ratio of height to diameter.And the magnetic yoke structure of this electromagnet apparatus is more existing simple in structure, saves material, and is easy to manufacture.
All comprise electromagnet apparatus on the existing magnet ring moulding press, be used for being pressed the magnetic aligning of magnet ring.This electromagnet apparatus is used for getting final product on the known magnet ring press, and this electromagnet apparatus can be used on the press of various structures.
Electromagnet apparatus described in the utility model is more reasonable than the prior art design, and the alignment magnetic field of its generation is greatly improved, and this electromagnet apparatus is used for can suppressing on the magnet ring press the bigger multi-pole magnet-ring of ratio of height to diameter.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a magnetic circuit schematic diagram of the present utility model;
Fig. 3 is Fig. 1 vertical view;
Fig. 4 is a kind of press structure schematic diagram that electromagnet apparatus described in the utility model is housed;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Embodiment
Multi-pole magnet-ring moulding electromagnet apparatus comprises the solenoid 21 on " ten " shaped iron core 20, each end unshakable in one's determination, the magnetic conduction die of fixing in centre unshakable in one's determination 22, is fixed with horizontal yoke 23 around iron core.
Be provided with exhausted magnetic isolating bar 18 evenly and at intervals on the magnetic conduction die 22 that centre unshakable in one's determination is fixed, make the border region between each utmost point on the finished product multi-pole magnet-ring more clear gradually, obviously, help further improving the quality of multi-pole magnet-ring.
Fig. 4 has provided a kind of magnet ring moulding press structural representation that electromagnet apparatus described in the utility model is housed, this magnet ring moulding press, comprise support 1, be fixed in the press frame 7 on the support, be fixed in the upper cylinder 8 on press frame top, the last belling mould 6 that upper cylinder drives, be fixed in the lower punch 9 on the press frame, be fixed in the center oil cylinder 4 of press frame bottom, be positioned at lower punch and by the magnetic conduction core rod 10 of center hydraulic oil cylinder driving, the following oil cylinder 3 of press frame bottom and by the following electromagnet apparatus 5 of hydraulic oil cylinder driving, the end of following oil cylinder 3 is fixed with guide plate 11, yoke 23 and 11 on guide plate at the alignment magnetic field device are fixed with guide pillar 2, and following oil cylinder passes through guide plate, guide pillar is realized the driving to electromagnet apparatus.
During the work of this press, oil cylinder 3 drive magnet devices rise to the top of lower punch 9 under at first controlling, make lower punch 9 on correct the lower edge of the magnetic conduction die 22 that is positioned at electromagnet apparatus, control centre's oil cylinder 4 drives magnetic conduction core rod 10 and rises, make the upper end of magnetic conduction core rod 10 slightly exceed the upper surface of magnetic conduction die 22 or flat with the upper surface, like this, at magnetic conduction die 22, form shaping mold cavity between lower punch 9 and the magnetic conduction core rod 10, magnetic is put into this shaping mold cavity, the control upper cylinder drives upward, and belling mould 6 moves downward, magnetic in the shaping mold cavity is pressed, simultaneously, the solenoid energising of electromagnet apparatus, the sense of current of four coils will produce magnetic field as shown in Figure 2, thereby magnetic is applied the magnetic field of multiple pole and direction and keeps certain hour, under magnetic field orientating, finish the pressure forming of magnetic, during compacting to doing the neutral point mark on the magnet ring.During the finished product demoulding, following hydraulic oil cylinder driving electromagnet apparatus moves downward, and upper cylinder drives goes up the rising of belling mould, and simultaneously, the center oil cylinder drives the magnetic conduction core rod and descends, thereby finishes the demoulding of finished product magnet ring.The finished product magnet ring magnetizes according to the neutral point mark on it.The press that is equipped with this electromagnet apparatus is suppressed the magnet ring that forms, and its number of poles that magnetizes is 4 integral multiple.
Claims (2)
1, a kind of multi-pole magnet-ring moulding electromagnet apparatus comprises the solenoid (21) on " ten " shaped iron core (20), each end unshakable in one's determination, the magnetic conduction die of fixing in centre unshakable in one's determination (22), it is characterized by: be fixed with horizontal yoke (23) around iron core.
2, multi-pole magnet-ring moulding electromagnet apparatus as claimed in claim 1 is characterized by: be provided with exhausted magnetic isolating bar (18) evenly and at intervals on the magnetic conduction die (22) that centre unshakable in one's determination is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256376 CN2591722Y (en) | 2002-12-26 | 2002-12-26 | Electric magnet apparatus for multi-pole magnetic ring forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256376 CN2591722Y (en) | 2002-12-26 | 2002-12-26 | Electric magnet apparatus for multi-pole magnetic ring forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591722Y true CN2591722Y (en) | 2003-12-10 |
Family
ID=33724632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02256376 Expired - Fee Related CN2591722Y (en) | 2002-12-26 | 2002-12-26 | Electric magnet apparatus for multi-pole magnetic ring forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591722Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140017A (en) * | 2015-08-19 | 2015-12-09 | 浙江柏同机器人科技股份有限公司 | Processing method of multi-pole magnetic ring applicable onto motor |
| CN105448454A (en) * | 2015-12-10 | 2016-03-30 | 哈尔滨工程大学 | Radial multi-coil high-speed electromagnet |
| CN111376388A (en) * | 2019-10-28 | 2020-07-07 | 横店集团东磁股份有限公司 | Forming die for improving magnetic performance of permanent magnetic ferrite dipolar radial magnetic ring |
-
2002
- 2002-12-26 CN CN 02256376 patent/CN2591722Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140017A (en) * | 2015-08-19 | 2015-12-09 | 浙江柏同机器人科技股份有限公司 | Processing method of multi-pole magnetic ring applicable onto motor |
| CN105448454A (en) * | 2015-12-10 | 2016-03-30 | 哈尔滨工程大学 | Radial multi-coil high-speed electromagnet |
| CN105448454B (en) * | 2015-12-10 | 2017-06-20 | 哈尔滨工程大学 | Radial direction multi-coil high-speed electro-magnet |
| CN111376388A (en) * | 2019-10-28 | 2020-07-07 | 横店集团东磁股份有限公司 | Forming die for improving magnetic performance of permanent magnetic ferrite dipolar radial magnetic ring |
| CN111376388B (en) * | 2019-10-28 | 2021-08-20 | 横店集团东磁股份有限公司 | Forming die for improving magnetic performance of permanent magnetic ferrite dipolar radial magnetic ring |
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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: 20031210 Termination date: 20101226 |