JPS61109654U - - Google Patents
Info
- Publication number
- JPS61109654U JPS61109654U JP19370584U JP19370584U JPS61109654U JP S61109654 U JPS61109654 U JP S61109654U JP 19370584 U JP19370584 U JP 19370584U JP 19370584 U JP19370584 U JP 19370584U JP S61109654 U JPS61109654 U JP S61109654U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- magnetic pole
- polarity
- pole plate
- iron core
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 2
- 229910000828 alnico Inorganic materials 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図はその一部破断平面図、第３図および第４図
は本考案の他の実施例の平面図、第５図は従来装
置の一例の平面図である。
１……磁極板、２……分極板、３……鉄心、４
……底板、５ａ……極性固定磁石、５ｂ……極性
変換磁石、６……コイル。
Fig. 1 is a longitudinal sectional view showing one embodiment of the invention, Fig. 2 is a partially cutaway plan view thereof, Figs. 3 and 4 are plan views of other embodiments of the invention, and Fig. 5 is a plan view of another embodiment of the invention. FIG. 2 is a plan view of an example of a conventional device. 1...Magnetic pole plate, 2...Polarization plate, 3...Iron core, 4
...Bottom plate, 5a...Polarity fixed magnet, 5b...Polarity conversion magnet, 6...Coil.
Claims (1)
れた磁極板と、 この磁極板との間に所定の空間部を形成するよ
う該磁極板の下部に取り付けられた磁性材からな
る底板と、 前記磁極板の上面と平行な方向に互いに同極が
対向するように、前記空間部内に同心円状に配設
された保磁力の大きな永久磁石からなる極性固定
磁石と、 前記磁極板の下面に接するように、前記極性固
定磁石の間に同心円状に設けられた鉄心と、 磁極面が前記鉄心および底板に接するようにこ
の鉄心および底板の間に同心円状に配設された保
磁力の小さな永久磁石からなる極性変換磁石と、 この極性磁石に巻回され、該極性変換磁石の磁
化の方向を切換えるコイルとを備える丸形リング
ボール式永久磁石チヤツク。 ２ 前記極性固定磁石は可撓性の大きな希土類系
又はフエライト系のゴム状プラスチツク磁石から
なり、リング状に巻回されて配設されている実用
新案登録請求の範囲第１項記載の丸形リングボー
ル式永久磁石チヤツク。 ３ 前記極性変換磁石はアルニコ系磁石からなる
実用新案登録請求の範囲第１項もしくは第２項記
載の丸形リングボール式永久磁石チヤツク。[Claims for Utility Model Registration] 1. A magnetic pole plate in which a ring-shaped polarization plate is concentrically embedded in the upper surface, and a magnetic pole plate that is attached to the lower part of the magnetic pole plate so as to form a predetermined space between the magnetic pole plate. a bottom plate made of a magnetic material; and fixed polarity magnets made of permanent magnets with a large coercive force arranged concentrically within the space so that the same poles face each other in a direction parallel to the top surface of the magnetic pole plate. , an iron core disposed concentrically between the fixed polarity magnets so as to be in contact with the lower surface of the magnetic pole plate; and an iron core disposed concentrically between the iron core and the bottom plate so that the magnetic pole surface is in contact with the iron core and the bottom plate. A round ring ball type permanent magnet chuck comprising: a polarity changing magnet made of a permanent magnet with a small coercive force; and a coil wound around this polarity magnet to switch the direction of magnetization of the polarity changing magnet. 2. The round ring according to claim 1 of the utility model registration claim, wherein the polarity fixed magnet is made of a highly flexible rubber-like plastic magnet made of rare earth or ferrite, and is arranged in a ring-shaped manner. Ball type permanent magnet chuck. 3. The round ring ball type permanent magnet chuck according to claim 1 or 2, wherein the polarity changing magnet is an alnico magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984193705U JPH031156Y2 (en) | 1984-12-21 | 1984-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984193705U JPH031156Y2 (en) | 1984-12-21 | 1984-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61109654U true JPS61109654U (en) | 1986-07-11 |
| JPH031156Y2 JPH031156Y2 (en) | 1991-01-16 |
Family
ID=30751129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984193705U Expired JPH031156Y2 (en) | 1984-12-21 | 1984-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031156Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63189538U (en) * | 1987-05-27 | 1988-12-06 | ||
| JP2017144525A (en) * | 2016-02-18 | 2017-08-24 | 株式会社ナベヤ | Magnetic attraction device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695558A (en) * | 1979-12-28 | 1981-08-03 | Tereeza Perureero Karura | Magnetic fixing device |
| JPS59102548A (en) * | 1982-12-01 | 1984-06-13 | Fuji Jikou Kk | Method of manufacturing circular electromagnetic holder |
-
1984
- 1984-12-21 JP JP1984193705U patent/JPH031156Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695558A (en) * | 1979-12-28 | 1981-08-03 | Tereeza Perureero Karura | Magnetic fixing device |
| JPS59102548A (en) * | 1982-12-01 | 1984-06-13 | Fuji Jikou Kk | Method of manufacturing circular electromagnetic holder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63189538U (en) * | 1987-05-27 | 1988-12-06 | ||
| JP2017144525A (en) * | 2016-02-18 | 2017-08-24 | 株式会社ナベヤ | Magnetic attraction device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031156Y2 (en) | 1991-01-16 |
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