JPS622755Y2 - - Google Patents
Info
- Publication number
- JPS622755Y2 JPS622755Y2 JP1980168621U JP16862180U JPS622755Y2 JP S622755 Y2 JPS622755 Y2 JP S622755Y2 JP 1980168621 U JP1980168621 U JP 1980168621U JP 16862180 U JP16862180 U JP 16862180U JP S622755 Y2 JPS622755 Y2 JP S622755Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- yoke
- wall mold
- poles
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000006247 magnetic powder Substances 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
【考案の詳細な説明】
本考案は、円筒状永久磁石の製造装置に係り、
特に、磁石表面に複数極を有する円筒状異方性永
久磁石の製造装置に関するものである。[Detailed description of the invention] The present invention relates to a manufacturing device for a cylindrical permanent magnet.
In particular, the present invention relates to an apparatus for manufacturing a cylindrical anisotropic permanent magnet having multiple poles on the magnet surface.
従来、円筒状永久磁石の磁石表面には、等方性
か、または、異方性としては単一方向の異方性し
か付与することができないものであつた。 Conventionally, it has been possible to impart isotropy or anisotropy in only a single direction to the magnetic surface of a cylindrical permanent magnet.
一方、円筒状永久磁石の用途は、近年極めて多
岐にわたり、従来のように単一方向のみの異方性
を付与すれば足りる場合が極めてまれとなつてき
ており、異方性付与の方向が複数方向のもの、も
しくは、磁石表面に複数極を有する円筒状異方性
永久磁石が要請されてきたものである。 On the other hand, the uses of cylindrical permanent magnets have become extremely diverse in recent years, and it has become extremely rare for it to be sufficient to provide anisotropy in only a single direction, as in the past. There has been a demand for cylindrical anisotropic permanent magnets, or cylindrical anisotropic permanent magnets with multiple poles on the magnet surface.
本考案は、上記要請にこたえるものであり、円
筒状永久磁石表面に、複数極の異方性を付与させ
ることができる円筒状永久磁石の製造装置の提供
を、その目的とするものである。 The present invention meets the above-mentioned requirements, and aims to provide an apparatus for manufacturing a cylindrical permanent magnet that can impart multi-polar anisotropy to the surface of the cylindrical permanent magnet.
以下、本考案の一実施例を、図面に基づいて説
明する。 Hereinafter, one embodiment of the present invention will be described based on the drawings.
ここで、第１図は、一実施例に係る円筒状永久
磁石の製造装置の一部を横断して示した平面図、
第２図は、その縦断側面図である。 Here, FIG. 1 is a plan view showing a part of a manufacturing apparatus for a cylindrical permanent magnet according to an embodiment,
FIG. 2 is a longitudinal sectional side view thereof.
図で、１は、外壁用金型（以下ダイスという）
で非磁性体からなり、２は、内壁用金型（以下コ
アという）で磁性体からなるものである。 In the figure, 1 is the mold for the outer wall (hereinafter referred to as the die)
2 is made of a non-magnetic material, and 2 is an inner wall mold (hereinafter referred to as core) made of a magnetic material.
３および４は、それぞれダイス１とコア２との
間に対向して嵌挿された、上パンチおよび下パン
チであつて非磁性体からなり、上パンチ３および
下パンチ４は、それぞれ上下方向に移動できるも
のであり、５は、ダイス１およびコア２と、上パ
ンチ３および下パンチ４で形成される成形用空間
部である。 Reference numerals 3 and 4 indicate an upper punch and a lower punch, which are made of non-magnetic material and are inserted between the die 1 and the core 2, respectively, and are inserted in the opposite direction.The upper punch 3 and the lower punch 4 are respectively inserted in the vertical direction. It is movable, and 5 is a molding space formed by the die 1, the core 2, the upper punch 3, and the lower punch 4.
６は、ダイス１の外周の全周を覆うように設け
られ、磁性体で作られたヨークで、７Ａ，７Ｂ
は、Ｎ極を、８Ａ，８Ｂは、Ｓ極をそれぞれ生じ
るヨーク６の磁極で、ダイス１に近接して設けら
れたものである。 6 is a yoke made of magnetic material that is provided so as to cover the entire outer circumference of the die 1, and 7A, 7B
8A and 8B are the magnetic poles of the yoke 6, which are provided close to the die 1, and 8A and 8B are the magnetic poles of the yoke 6 that produce the north pole and the south pole, respectively.
９Ａ，９Ｂ，９Ｃ，９Ｄは、ヨークと磁極と外
壁用金型外周面で出来る空間に充填埋設された複
数個の磁化コイルである。 9A, 9B, 9C, and 9D are a plurality of magnetizing coils embedded in a space formed by the yoke, the magnetic poles, and the outer peripheral surface of the outer wall mold.
上記構成において、円筒状永久磁石を製造する
には、まず、磁性粉をダイス１およびコア２と、
上パンチ３および下パンチ４で形成される成形用
空間部５に充填し、上パンチ３または下パンチ４
を上下に移動させて磁性粉を圧縮させると同時
に、磁化コイル９Ａ，９Ｂ，９Ｃ，９Ｄに電流を
通電するものである。 In the above configuration, in order to manufacture a cylindrical permanent magnet, first, magnetic powder is mixed with a die 1 and a core 2,
The molding space 5 formed by the upper punch 3 and the lower punch 4 is filled, and the upper punch 3 or the lower punch 4
is moved up and down to compress the magnetic powder, and at the same time, current is applied to the magnetizing coils 9A, 9B, 9C, and 9D.
上記通電によつて、ヨーク６の磁極７Ａ，７Ｂ
にＮ極、磁極８Ａ，８ＢにＳ極がそれぞれ生じ、
第１図に矢印で示す磁束をダイス１内に発生する
ものであるから、成形用空間部５で圧縮成形され
た磁性粉成形体の表面には、曲率を有する複数極
の異方性が付与されるものである。 By the above energization, the magnetic poles 7A and 7B of the yoke 6
N poles occur at magnetic poles 8A and 8B, and S poles occur at magnetic poles 8A and 8B, respectively.
Since the magnetic flux indicated by the arrow in FIG. 1 is generated within the die 1, the surface of the magnetic powder molded body compression-molded in the molding space 5 is given multi-pole anisotropy with curvature. It is something that will be done.
上に述べたコアーを磁性体にする事により、磁
束がコアーに集中し、外壁用金型外周の全周を覆
う磁性体のヨークは、外部への磁束の漏洩を少な
くし、又コイルをヨークと磁極と外壁用金型外周
面で出来る空間に充填埋設する事により、磁極か
らヨークへの磁束の漏洩が少なくなる。 By making the core described above a magnetic material, the magnetic flux is concentrated in the core, and the magnetic yoke that covers the entire circumference of the outer wall mold reduces leakage of magnetic flux to the outside. By filling the space created by the magnetic pole and the outer circumferential surface of the outer wall mold, leakage of magnetic flux from the magnetic pole to the yoke is reduced.
これらの作用が相まつて異方性化がより進み、
その磁石の磁気特性が向上する。 These effects combine to further advance anisotropy,
The magnetic properties of the magnet are improved.
圧縮終了後この磁性粉成形体を成形用空間部５
から取り出して、所定温度にて焼成した後、磁性
粉成形体の異方性を付与された方向と同一方向に
着磁すれば、磁石表面に複数極を有する円筒状永
久磁石を得ることができるものである。 After the compression is completed, this magnetic powder molded body is placed in the molding space 5.
A cylindrical permanent magnet with multiple poles on the magnet surface can be obtained by taking it out from the magnet, firing it at a predetermined temperature, and then magnetizing it in the same direction as the anisotropic direction of the magnetic powder compact. It is something.
以上説明したように、本実施例に係る円筒状永
久磁石の製造装置は、ダイス１および磁性体コア
２と上パンチ３および下パンチ４で成形体空間部
５を形成し、ダイス１の外周に、ダイス外周全面
を覆う磁性体ヨークを設け、複数個の磁極を生ず
るための複数個の電磁コイル９Ａ，９Ｂ，９Ｃ，
９Ｄをヨークと磁極と外壁用金型で出来る空間に
充填埋設したものである。 As explained above, the cylindrical permanent magnet manufacturing apparatus according to the present embodiment forms a molded body space 5 with the die 1, the magnetic core 2, the upper punch 3, and the lower punch 4, and , a plurality of electromagnetic coils 9A, 9B, 9C, which are provided with a magnetic yoke that covers the entire outer circumference of the die, and which generate a plurality of magnetic poles.
9D is filled and buried in the space created by the yoke, magnetic pole, and outer wall mold.
そして、上記成形用空間部５に充填した磁性粉
を上パンチ３または下パンチ４で圧縮成形すると
同時に、電磁コイル９Ａ，９Ｂ，９Ｃ，９Ｄに通
電することによつて、磁性粉成形体に曲率を有す
る複数極の異方性を付与することができるもので
ある。 Then, the magnetic powder filled in the molding space 5 is compression-molded using the upper punch 3 or the lower punch 4, and at the same time, by energizing the electromagnetic coils 9A, 9B, 9C, and 9D, the magnetic powder molded body has a curvature. It is possible to impart multi-pole anisotropy having the following properties.
以上述べれように、本考案に係る円筒状永久磁
石の製造装置は、総合して、磁石表面に複数極を
有し、磁気特性の向上した円筒状永久磁石の製造
装置を所期できるものであつて、実用的効果にす
ぐれた考案ということができる。 As described above, the apparatus for manufacturing cylindrical permanent magnets according to the present invention can be expected to be an apparatus for manufacturing cylindrical permanent magnets that have multiple poles on the magnet surface and have improved magnetic properties. Therefore, it can be said that the invention has excellent practical effects.
第１図は、本考案の一実施例に係る円筒状永久
磁石の製造装置の一部を横断して示した平面図、
第２図は、その縦断側面図である。
１……外壁用金型、２……内壁用金型、３……
上パンチ、４……下パンチ、５……成形体空間
部、６……ヨーク、７Ａ，７Ｂ，８Ａ，８Ｂ……
磁極、９Ａ，９Ｂ，９Ｃ，９Ｄ……磁化コイル。
FIG. 1 is a plan view showing a part of a cylindrical permanent magnet manufacturing apparatus according to an embodiment of the present invention;
FIG. 2 is a longitudinal sectional side view thereof. 1...Mold for outer wall, 2...Mold for inner wall, 3...
Upper punch, 4... Lower punch, 5... Molded body space, 6... Yoke, 7A, 7B, 8A, 8B...
Magnetic poles, 9A, 9B, 9C, 9D...Magnetizing coil.
Claims (1)
非磁性体上下パンチで成形体空間部を形成し、上
記外壁用金型の外周全周を覆う磁性体ヨークを設
け、このヨークと外壁用金型外周面の間には、複
数個の磁極を設け、磁極とヨークと外壁用金型で
で出来る空間を磁化コイルで充填した事を特徴と
する円筒状永久磁石の製造装置。 A non-magnetic outer wall mold and a magnetic inner wall mold,
A molded body space is formed using upper and lower non-magnetic punches, a magnetic yoke is provided that covers the entire outer circumference of the outer wall mold, and a plurality of magnetic poles are provided between this yoke and the outer peripheral surface of the outer wall mold. A manufacturing device for a cylindrical permanent magnet, characterized in that a space created by a magnetic pole, a yoke, and an outer wall mold is filled with a magnetizing coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980168621U JPS622755Y2 (en) | 1980-11-25 | 1980-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980168621U JPS622755Y2 (en) | 1980-11-25 | 1980-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5791230U JPS5791230U (en) | 1982-06-04 |
| JPS622755Y2 true JPS622755Y2 (en) | 1987-01-22 |
Family
ID=29527196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980168621U Expired JPS622755Y2 (en) | 1980-11-25 | 1980-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622755Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528199A (en) * | 1975-07-03 | 1977-01-21 | Itsupoushiya Yushi Kougiyou Kk | Antiielectrostatic treatment and processing |
| JPS5815928A (en) * | 1981-07-21 | 1983-01-29 | Kureha Chem Ind Co Ltd | 1-phenyl-2-trifluoromethylpropane |
-
1980
- 1980-11-25 JP JP1980168621U patent/JPS622755Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528199A (en) * | 1975-07-03 | 1977-01-21 | Itsupoushiya Yushi Kougiyou Kk | Antiielectrostatic treatment and processing |
| JPS5815928A (en) * | 1981-07-21 | 1983-01-29 | Kureha Chem Ind Co Ltd | 1-phenyl-2-trifluoromethylpropane |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5791230U (en) | 1982-06-04 |
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