JPS596758A - Pole of rotor for stepping motor - Google Patents
Pole of rotor for stepping motorInfo
- Publication number
- JPS596758A JPS596758A JP57112965A JP11296582A JPS596758A JP S596758 A JPS596758 A JP S596758A JP 57112965 A JP57112965 A JP 57112965A JP 11296582 A JP11296582 A JP 11296582A JP S596758 A JPS596758 A JP S596758A
- Authority
- JP
- Japan
- Prior art keywords
- pole
- collar
- magnetic pole
- rotor
- integrally
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は焼結体からなるステ、ピングモータ用ロータの
磁極に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a magnetic pole of a rotor for a steering and pin motor made of a sintered body.
〔発明の技術的背景およびその問題点〕電算機や事務機
などに用６られる例えばハイブリッド型のステッピング
モータにおけるロータの磁極は、第１図で示すように円
板体の外周部に多数の歯部２を形成した一対の磁極１と
、この磁極１の間に設けられモータのステータに対して
磁気を発生させる磁石３と、これら磁極１と磁石３に挿
通して取付ける軸４とで構成されている。[Technical background of the invention and its problems] The magnetic pole of the rotor in, for example, a hybrid stepping motor used in computers, office machines, etc., has a large number of teeth on the outer periphery of a disc body, as shown in Fig. 1. It consists of a pair of magnetic poles 1 forming a part 2, a magnet 3 provided between the magnetic poles 1 to generate magnetism to the stator of the motor, and a shaft 4 inserted through these magnetic poles 1 and the magnet 3 to be attached. ing.
そして、この四−夕はモータケースのフランジケースＪ
Ｋ設けた軸受６に軸チの両端部を回転自在に支承して設
けられておシ、磁極１と軸受６との間に位置する軸４部
分には力２−７が嵌装されている。このカラー７は、磁
極１が移動してフランジケース５に衝突することを防止
するとともにローフ側の磁束が７ランジケース５を通し
て外部へ漏洩することを抑制するよう両者間の距離を保
つものである。And this April, the flange case J of the motor case
Both ends of the shaft are rotatably supported by bearings 6 provided in K, and a force 2-7 is fitted in the portion of the shaft 4 located between the magnetic pole 1 and the bearing 6. . This collar 7 prevents the magnetic pole 1 from moving and colliding with the flange case 5, and maintains a distance between the two so as to prevent the magnetic flux on the loaf side from leaking to the outside through the flange case 5. .
しかるに、従来カラー７はアルミニウムなどの溶解材を
切削加工することにより製作されているので加工コスト
が高く、またこのカラー７はロータの組立時に軸子に圧
入嵌合して取付けているので、組立作業が面倒で組立コ
ストが高くなるという問題がある。However, conventionally, the collar 7 has been manufactured by cutting molten material such as aluminum, resulting in high processing costs, and since the collar 7 is attached by press-fitting onto the shaft when assembling the rotor, it is difficult to assemble. There is a problem that the work is troublesome and the assembly cost is high.
ところで、四−夕の磁極は従来高炭素鋼などの溶解材の
切削加工により製作されてきたが、コストが高くなるの
で経済性の点から純鉄などの粉末を用いた焼結体で製作
することが試みられている。By the way, magnetic poles for four days have traditionally been manufactured by cutting molten materials such as high carbon steel, but since the cost is high, from an economic point of view it is manufactured from sintered bodies using powders such as pure iron. That is what is being attempted.
本発明は焼結体にまり力２−を一体化させて加工および
組立工数を低減し、コストダウンを図ったステッピング
モータ用ロータの磁極を提供するものである。The present invention provides a magnetic pole for a rotor for a stepping motor, which integrates the force 2- into a sintered body to reduce processing and assembly man-hours, thereby reducing costs.
本発明の磁極は焼結体からなるもので、−側面部にカラ
ーとなる筒部を焼結体で一体形成したものである。The magnetic pole of the present invention is made of a sintered body, and a cylindrical portion serving as a collar is integrally formed on the side surface of the sintered body.
以下本発明を図面で示す実施例について説明する。 Embodiments of the present invention will be described below with reference to drawings.
第２図および第３図は本発明の磁極の一実施例を示して
いる。図中１ｆ′ｉ円板体を々す磁極で、その外周部に
は例えばインがリュート歯形をなす多数の歯部２が並べ
て形成されており、中心部には両側面間を貫通する軸孔
８が形成されていて、全体として平歯車型の磁極を構成
している。また、磁極１の一側面部の中心部には軸孔Ｈ
の周囲を囲んで円筒状をなす筒部９が一体に突出形成さ
れておシ、この筒部９の内孔が磁極１＋の軸孔８と一体
に連通して軸孔となっている。ζこで、筒部９は従来の
カラー７に相当するもので、磁極１の側面部からの突出
高さはカラー７の長さに相当している。さらに、磁極１
の他側面部の中心部には軸孔８の周囲を囲んで円筒状の
筒部１０が一体に突出形成されている。この筒部１０は
磁石３の軸孔１１内部に挿入して磁石３を位置決め保持
するもので、磁石厚さの半分以下の高さを有している。2 and 3 show one embodiment of the magnetic pole of the present invention. In the figure, 1f'i is a magnetic pole that spans a disc body, and on its outer periphery, a large number of toothed parts 2, for example, in the shape of a lute tooth, are formed side by side, and in the center, there is a shaft hole that penetrates between both sides. 8 is formed, and the whole constitutes a spur gear type magnetic pole. In addition, a shaft hole H is provided in the center of one side of the magnetic pole 1.
A cylindrical cylindrical portion 9 surrounding the periphery of the magnetic pole 1+ is integrally formed in a protruding manner, and the inner hole of this cylindrical portion 9 integrally communicates with the shaft hole 8 of the magnetic pole 1+ to form a shaft hole. Here, the cylindrical portion 9 corresponds to the conventional collar 7, and the height of the protrusion of the magnetic pole 1 from the side surface corresponds to the length of the collar 7. Furthermore, magnetic pole 1
A cylindrical tube portion 10 is integrally formed in the center of the other side surface to surround the shaft hole 8 and protrude. This cylindrical portion 10 is inserted into the shaft hole 11 of the magnet 3 to position and hold the magnet 3, and has a height less than half the thickness of the magnet.
そして、磁極１、筒部９および筒部１０は全体が純鉄粉
末からなる焼結体によシ一体に成形されている。すなわ
ち、磁極と力２−が焼結体によシ一体に成形された構成
をなしている。The magnetic pole 1, the cylindrical portion 9, and the cylindrical portion 10 are integrally molded from a sintered body made of pure iron powder. That is, the magnetic pole and the force 2- are integrally molded into a sintered body.
このような構成をなす磁極を製作する場合には、材料粉
末を加圧して磁極１、筒部９および筒部１０を一体化し
た粉末成形体を成形し、この粉末成形体を焼結すること
にょ）製作する。When manufacturing a magnetic pole having such a configuration, the material powder is pressurized to form a powder compact that integrates the magnetic pole 1, the cylindrical portion 9, and the cylindrical portion 10, and this powder compact is sintered. Nyo) Produce.
このため、磁極１と一緒に筒部９すなわちカラーを製作
できる。Therefore, the cylindrical portion 9, that is, the collar can be manufactured together with the magnetic pole 1.
また、この磁極を用いて日−夕を組立てる場合には、第
３図で示すように磁石３の両側に突部９が外側に位置す
るようにして磁極１を夫々配置し、且つ各磁極１の内側
に位置する端部１゜を磁石３０両側から軸孔１１の内部
に挿入して磁石３を磁極１と同心的に位置決め保持する
。In addition, when assembling a sun-sun unit using these magnetic poles, as shown in FIG. The inner end 1° of the magnet 30 is inserted into the shaft hole 11 from both sides to position and hold the magnet 3 concentrically with the magnetic pole 1.
このように磁石３の両側に磁極１を組合せた後に磁極１
の軸孔８（突部９，１ｏを含む）と磁石３の軸孔１１に
共通に軸４を挿通する。この場合、従来のカラーに相当
する磁極１の突部９は磁極１と一緒に軸４に取付けるこ
とができる。After combining the magnetic poles 1 on both sides of the magnet 3 in this way, the magnetic poles 1
The shaft 4 is commonly inserted through the shaft hole 8 (including the protrusions 9 and 1o) of the magnet 3 and the shaft hole 11 of the magnet 3. In this case, the protrusion 9 of the magnetic pole 1, which corresponds to a conventional collar, can be attached to the shaft 4 together with the magnetic pole 1.
そして、組立てたロータは軸４の両端部をモーターのフ
ランジケース５の軸受６に支承する。Then, the assembled rotor supports both ends of the shaft 4 in bearings 6 of the flange case 5 of the motor.
この場合、磁極１の突部８は磁極１とフランジケース５
０間隔を一定に保持する。In this case, the protrusion 8 of the magnetic pole 1 is connected to the magnetic pole 1 and the flange case 5.
Keep the 0 interval constant.
本発明のステッピングモータ用冒−夕の磁極は以上説明
したように、焼結体で形成され且つ磁極と７ランジケー
スとの間隔を保持する力２−を一体に成形したので、力
２−の製作が容易であるとともに力２−を磁極と組立て
る作業が容易である。As explained above, the external magnetic pole for a stepping motor of the present invention is formed of a sintered body, and the force 2- for maintaining the distance between the magnetic pole and the 7-lunge case is integrally molded. It is easy to manufacture and easy to assemble the force 2- with the magnetic pole.
面図、第２図は本発明の磁極の一実施例を示す断面図、
第３図は本発明の磁極を用いたロータの組立図である。A top view, FIG. 2 is a sectional view showing an embodiment of the magnetic pole of the present invention,
FIG. 3 is an assembled view of a rotor using the magnetic poles of the present invention.
１・・・磁極、２・・・歯部、３・・・磁石、４・・・
軸、５・・・７ランジクース、６・・・軸受、７・・・
カラー、８・・・軸孔、９・・・筒部、１０・・・筒部
、１１・・・軸孔。1... Magnetic pole, 2... Teeth, 3... Magnet, 4...
Shaft, 5...7 Ranjikusu, 6...Bearing, 7...
Collar, 8... Shaft hole, 9... Cylindrical portion, 10... Cylindrical portion, 11... Shaft hole.
Claims (1)
結体からなり且つ一側面部に前記軸孔に沿う筒部が一体
に突出形成されてなるステ、ピングモータ用ロータの磁
極。 ２、焼結体の他側面部に軸孔に沿う筒部が突出形成され
てなる特許請求の範囲第１項に記載のステ、ピングモー
タ用ロータの磁極。[Claims] 1. Made of a sintered body with a shaft hole in the center and teeth on the outer periphery, and a cylindrical portion extending along the shaft hole is integrally formed on one side surface. Magnetic pole of rotor for steering and ping motor. 2. The magnetic pole of a rotor for a steering and ping motor according to claim 1, wherein a cylindrical portion extending along the shaft hole is formed protruding from the other side surface of the sintered body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57112965A JPS596758A (en) | 1982-06-30 | 1982-06-30 | Pole of rotor for stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57112965A JPS596758A (en) | 1982-06-30 | 1982-06-30 | Pole of rotor for stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS596758A true JPS596758A (en) | 1984-01-13 |
Family
ID=14599968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57112965A Pending JPS596758A (en) | 1982-06-30 | 1982-06-30 | Pole of rotor for stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596758A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05185281A (en) * | 1991-07-05 | 1993-07-27 | Lincoln Electric Co:The | Submerged arc flux and its manufacture |
| CN102882345A (en) * | 2011-07-13 | 2013-01-16 | 东莞信浓马达有限公司 | Hybrid stepping motor |
-
1982
- 1982-06-30 JP JP57112965A patent/JPS596758A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05185281A (en) * | 1991-07-05 | 1993-07-27 | Lincoln Electric Co:The | Submerged arc flux and its manufacture |
| CN102882345A (en) * | 2011-07-13 | 2013-01-16 | 东莞信浓马达有限公司 | Hybrid stepping motor |
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