JPH04295256A - Stator for motor - Google Patents
Stator for motorInfo
- Publication number
- JPH04295256A JPH04295256A JP5672491A JP5672491A JPH04295256A JP H04295256 A JPH04295256 A JP H04295256A JP 5672491 A JP5672491 A JP 5672491A JP 5672491 A JP5672491 A JP 5672491A JP H04295256 A JPH04295256 A JP H04295256A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- pole
- inner ring
- piece
- pieces
- 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
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は、外軸ヨーク部と内輪
磁極部とに分割された電動機の固定子に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stator for an electric motor that is divided into an outer yoke portion and an inner magnetic pole portion.
【０００２】0002
【従来の技術】従来、この種の電動機の固定子としては
、図６に示すようにそれぞれ柱体１の先端に幅広な磁極
部２を形成し、この各磁極部２の極面３を内側にして環
状に配列し、図示されない外輪ヨークに上記柱体１の基
端面を接触させて嵌合された複数個のポールピース４を
各磁極部２にて保形部材５を介して連結しているものが
知られている（例えば、実開昭５１−５９０３号公報参
照）。2. Description of the Related Art Conventionally, as shown in FIG. 6, a stator for this type of electric motor has a wide magnetic pole portion 2 formed at the tip of each columnar body 1, and a pole surface 3 of each magnetic pole portion 2 is turned inside. A plurality of pole pieces 4 are arranged in an annular manner and fitted with the base end surface of the column 1 in contact with an outer ring yoke (not shown), and are connected at each magnetic pole part 2 via a shape retaining member 5. Some are known (see, for example, Japanese Utility Model Application Publication No. 51-5903).
【０００３】0003
【発明が解決しようとする課題】上記のような従来の電
動機の固定子では、ポールピース４がそれぞれ完全に独
立して積層により形成されており、保形部材５による一
体成形にての連結作業が複雑で作業効率が非常に悪いと
いう課題があった。[Problems to be Solved by the Invention] In the conventional electric motor stator as described above, the pole pieces 4 are formed by laminating each other completely independently, and the connection work by integral molding with the shape retaining member 5 is difficult. The problem was that it was complicated and the work efficiency was very low.
【０００４】この発明は係る課題を解決するためになさ
れたもので、各ポールピースが関連をもって積層により
形成され、保形部材を介しての連結作業が簡単にでき、
作業効率のよい電動機の固定子を得ることを目的とする
。[0004] This invention has been made to solve the above problem, and each pole piece is formed by laminating them in relation to each other, and the connection operation via a shape-retaining member can be easily performed.
The purpose is to obtain a stator for an electric motor with good working efficiency.
【０００５】[0005]
【課題を解決するための手段】この発明に係る電動機の
固定子は、薄板を積層し、外輪部を形成する外輪ヨーク
部と、この外輪ヨーク部に嵌合され、磁極を構成する磁
極片が積層されたポールピースを周方向にそれぞれ所定
の間隔をもって配列されてなる内輪磁極部とを備え、上
記内輪磁極部を磁極片が連結ピースにて連結されてなる
磁極連結板と磁極片とを積層した後、上記連結ピースを
除去することにてポールピースを形成し、このポールピ
ースを絶縁樹脂を介して連結することにて形成したもの
である。[Means for Solving the Problems] A stator for an electric motor according to the present invention includes an outer ring yoke portion formed by laminating thin plates and forming an outer ring portion, and a magnetic pole piece fitted into the outer ring yoke portion and forming a magnetic pole. An inner ring magnetic pole part is formed by stacked pole pieces arranged at predetermined intervals in the circumferential direction, and a magnetic pole connecting plate and a magnetic pole piece are laminated, the inner ring magnetic pole parts are connected to each other by a connecting piece. After that, a pole piece is formed by removing the above-mentioned connecting piece, and the pole piece is connected via an insulating resin.
【０００６】[0006]
【作用】この発明においては、薄板を積層し、外輪部を
形成する外輪ヨーク部と、この外輪ヨーク部に嵌合され
、磁極を構成する磁極片が積層されたポールピースを周
方向にそれぞれ所定の間隔をもって配列されてなる内輪
磁極部とを備え、上記内輪磁極部を磁極片が連結ピース
にて連結されてなる磁極連結板と磁極片とを積層した後
、上記連結ピースを除去することにてポールピースを形
成し、このポールピースを絶縁樹脂を介して連結するこ
とにて形成したことより、連結ピースが除去されたポー
ルピースは絶縁樹脂にて一体に成形され、所定間隔をも
って連結される。[Operation] In this invention, thin plates are laminated to form an outer ring yoke portion, and a pole piece fitted with this outer ring yoke portion and laminated with magnetic pole pieces constituting a magnetic pole are arranged in predetermined positions in the circumferential direction. and an inner ring magnetic pole part arranged with a spacing of , and after laminating a magnetic pole connecting plate and a magnetic pole piece in which the inner ring magnetic pole part is connected to the magnetic pole piece by a connecting piece, the connecting piece is removed. Since the pole pieces are formed by connecting the pole pieces through insulating resin, the pole pieces from which the connecting pieces have been removed are integrally molded with insulating resin and are connected at a predetermined interval. .
【０００７】[0007]
【実施例】図１〜図５はこの発明の一実施例を示す図で
あり、図において７は固定子８の外輪ヨーク部で、電磁
鋼板等の薄板が複数板積層された円筒状よりなる。９は
この外輪ヨーク部の内部に設けられた凹部溝で、側壁は
後述される内輪磁極部中心に一致するように構成されて
いる。１０は内輪磁極部、１１はこの内輪磁極部を形成
するポールピースで、磁極を構成する磁極片１２が連結
ピース１３と一体に成形された磁極連結板１４および磁
極片１２単品が所定枚数積層されてなる。なお、この場
合磁極連結板１４は図３に示すように内輪磁極部１０の
下面に所定枚数積層されている。１５は上記内輪磁極部
１０と所定間隔をもって内設される回転子、１６は絶縁
樹脂で、上記ポールピース１１に一体に成形固着され、
ポールピース１１を絶縁樹脂を介して連結するものであ
る。[Embodiment] Figures 1 to 5 are diagrams showing one embodiment of the present invention. In the figures, 7 is an outer ring yoke portion of a stator 8, which is made of a cylindrical shape made of a plurality of thin plates such as electromagnetic steel plates laminated. . Reference numeral 9 denotes a recessed groove provided inside the outer ring yoke portion, and the side wall thereof is configured to coincide with the center of the inner ring magnetic pole portion, which will be described later. 10 is an inner ring magnetic pole part, 11 is a pole piece forming this inner ring magnetic pole part, a magnetic pole connecting plate 14 in which a magnetic pole piece 12 constituting the magnetic pole is molded integrally with a connecting piece 13, and a predetermined number of individual magnetic pole pieces 12 are laminated. It becomes. In this case, a predetermined number of magnetic pole connecting plates 14 are laminated on the lower surface of the inner ring magnetic pole part 10, as shown in FIG. 15 is a rotor disposed within the inner magnetic pole portion 10 at a predetermined distance; 16 is an insulating resin which is integrally molded and fixed to the pole piece 11;
The pole pieces 11 are connected via an insulating resin.
【０００８】上記のように構成された電動機の固定子に
おいては、電磁鋼板をプレス工程にて外輪ヨーク部７、
磁極片１２、磁極連結板１４および回転子１５を一括し
て同時に打ち抜き、所定枚数積層する。なお、この場合
プレス工程の金型内において上記各部品は自動的に必要
枚数打ち抜かれ、例えば磁極連結板１４が積層部分に対
し上部あるいは下部位置に必要枚数のみ積層され、それ
以外は磁極片１２が積層される。そして、固定子８およ
び回転子１５の１個分に相当する打ち抜きが終了すると
、上記プレス工程の中で各部分がかしめ等の手段により
結合され、外輪ヨーク部７、内輪磁極部１０および回転
子１５が形成される。さらに、上記内輪磁極部１０はプ
レス等により連結ピース１３が除去加工され、治具（図
示せず）に固定後、図示されない一体成形金型に供給さ
れ、絶縁樹脂１６にて一体成形固着されることにて、各
ポールピース１１は絶縁樹脂１６を介し所定間隔をもっ
て連結される。そして、内輪磁極部１０の各ポールピー
ス１１間に図示されないコイルが巻回された後、内輪磁
極部１０が外輪ヨーク部７の凹部溝９に圧入嵌合される
ことにて固定子８が形成される。In the stator of the electric motor constructed as described above, the outer ring yoke portion 7,
The magnetic pole piece 12, the magnetic pole connecting plate 14, and the rotor 15 are simultaneously punched out and a predetermined number of sheets are laminated. In this case, the required number of each of the above-mentioned parts is automatically punched out in the mold of the pressing process, for example, the required number of magnetic pole connecting plates 14 are laminated at the upper or lower position of the laminated portion, and the other parts are stacked with the magnetic pole piece 12. are stacked. When the punching corresponding to one stator 8 and one rotor 15 is completed, each part is joined by means such as caulking in the above-mentioned pressing process, and the outer ring yoke part 7, the inner ring magnetic pole part 10, and the rotor 15 is formed. Furthermore, the connecting piece 13 of the inner ring magnetic pole part 10 is removed by a press or the like, and after being fixed to a jig (not shown), it is supplied to an integral molding mold (not shown), and is integrally molded and fixed with an insulating resin 16. In this case, each pole piece 11 is connected with a predetermined interval through an insulating resin 16. After a coil (not shown) is wound between each pole piece 11 of the inner ring magnetic pole part 10, the inner ring magnetic pole part 10 is press-fitted into the recessed groove 9 of the outer ring yoke part 7, thereby forming the stator 8. be done.
【０００９】なお、上記実施例では磁極連結板１４の連
結ピース１３をプレス加工にて除去したが、切削加工、
レーザー加工あるいはガス切断等の方法にての除去加工
でも上記実施例と同様の効果が得られる。[0009] In the above embodiment, the connecting piece 13 of the magnetic pole connecting plate 14 was removed by press working, but cutting work,
Effects similar to those of the above embodiments can be obtained by removal processing using a method such as laser processing or gas cutting.
【００１０】0010
【発明の効果】この発明は以上説明したとおり、薄板を
積層し、外輪部を形成する外輪ヨーク部とこの外輪ヨー
ク部に嵌合され、磁極を構成する磁極片が積層されたポ
ールピースを周方向にそれぞれ所定の間隔をもって配列
されてなる内輪磁極部とを備え、上記内輪磁極部を磁極
片が連結ピースにて連結されてなる磁極連結板と磁極片
とを積層した後、上記連結ピースを除去することにてポ
ールピースを形成し、このポールピースを絶縁樹脂を介
して連結することにて形成したことより、ポールピース
の絶縁樹脂にての連結までが連結ピースにより内輪磁極
部が一体にて取り扱い、且つ保持できるので各工程が簡
略化され、自動化が容易になり、コストを安価にできる
。[Effects of the Invention] As explained above, the present invention includes a pole piece in which thin plates are laminated, and an outer ring yoke portion forming an outer ring portion and a pole piece fitted into the outer ring yoke portion and laminated with magnetic pole pieces constituting a magnetic pole. and inner ring magnetic pole parts arranged at predetermined intervals in each direction, and after laminating a magnetic pole connecting plate and a magnetic pole piece in which the inner ring magnetic pole parts are connected by a connecting piece, and then the connecting piece is By removing it, a pole piece is formed, and by connecting this pole piece through an insulating resin, the inner ring magnetic pole part is integrated with the connecting piece until the pole piece is connected with the insulating resin. Since it can be handled and held, each process can be simplified, automation can be facilitated, and costs can be reduced.
【図１】この発明の一実施例を示す平面図である。FIG. 1 is a plan view showing an embodiment of the present invention.
【図２】この発明の一実施例を示す平面図と側面図であ
る。FIG. 2 is a plan view and a side view showing an embodiment of the present invention.
【図３】この発明の一実施例を示す内輪磁極部の斜視図
である。FIG. 3 is a perspective view of an inner magnetic pole portion showing an embodiment of the present invention.
【図４】この発明の一実施例を示す内輪磁極部の平面図
である。FIG. 4 is a plan view of an inner magnetic pole portion showing an embodiment of the present invention.
【図５】この発明の一実施例を示し、絶縁樹脂にて成形
後の内輪磁極部の部分平面図である。FIG. 5 is a partial plan view of an inner magnetic pole portion after molding with insulating resin, showing an embodiment of the present invention.
【図６】従来の電動機の固定子を示す平面図である。FIG. 6 is a plan view showing a stator of a conventional electric motor.
７ 外輪ヨーク部 ８ 固定子 １０ 内輪磁極部 １１ ポールピース １３ 磁極連結板 １６ 絶縁樹脂 7 Outer ring yoke part 8 Stator 10 Inner ring magnetic pole part 11 Pole piece 13 Magnetic pole connecting plate 16 Insulating resin
Claims (1)
ーク部と、この外輪ヨーク部に嵌合固定され、磁極を構
成する磁極片が積層されたポールピースを周方向にそれ
ぞれ所定の間隙をもって配列されてなる内輪磁極部とを
備え、上記内輪磁極部を磁極片が連結ピースにて連結さ
れてなる磁極連結板と磁極片とを積層した後、上記連結
ピースを除去することにてポールピースを形成し、この
ポールピースを絶縁樹脂を介して連結することにて形成
したことを特徴とする電動機の固定子。Claim 1: An outer ring yoke portion formed by laminating thin plates to form an outer ring portion, and a pole piece fitted and fixed to this outer ring yoke portion and laminated with magnetic pole pieces constituting a magnetic pole, each having a predetermined gap in the circumferential direction. and an inner ring magnetic pole part arranged with the inner ring magnetic pole part, and after laminating the magnetic pole connecting plate and the magnetic pole piece in which the inner ring magnetic pole part is connected with the magnetic pole piece by a connecting piece, and then removing the connecting piece, the pole piece is formed. A stator for an electric motor, characterized in that it is formed by forming pieces and connecting the pole pieces via an insulating resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5672491A JPH04295256A (en) | 1991-03-20 | 1991-03-20 | Stator for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5672491A JPH04295256A (en) | 1991-03-20 | 1991-03-20 | Stator for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04295256A true JPH04295256A (en) | 1992-10-20 |
Family
ID=13035445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5672491A Pending JPH04295256A (en) | 1991-03-20 | 1991-03-20 | Stator for motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04295256A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1385257A2 (en) * | 2002-07-25 | 2004-01-28 | Dana Automotive Limited | Method of making a stator for an electric machine |
| US7067952B2 (en) * | 2001-03-02 | 2006-06-27 | Encap Motor Corporation | Stator assembly made from a molded web of core segments and motor using same |
| US7327065B2 (en) | 2004-03-16 | 2008-02-05 | Sony Corporation | Motor, stator for the same, and manufacturing method thereof |
| JP2008172922A (en) * | 2007-01-11 | 2008-07-24 | Minebea Motor Manufacturing Corp | Radial gap type dc brushless motor and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63224651A (en) * | 1987-03-11 | 1988-09-19 | Matsushita Seiko Co Ltd | Manufacture of inner rotor type motor stator |
| JPH03124245A (en) * | 1989-10-03 | 1991-05-27 | Matsushita Seiko Co Ltd | Manufacture of stator for hypocycloid motor |
-
1991
- 1991-03-20 JP JP5672491A patent/JPH04295256A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63224651A (en) * | 1987-03-11 | 1988-09-19 | Matsushita Seiko Co Ltd | Manufacture of inner rotor type motor stator |
| JPH03124245A (en) * | 1989-10-03 | 1991-05-27 | Matsushita Seiko Co Ltd | Manufacture of stator for hypocycloid motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7067952B2 (en) * | 2001-03-02 | 2006-06-27 | Encap Motor Corporation | Stator assembly made from a molded web of core segments and motor using same |
| EP1385257A2 (en) * | 2002-07-25 | 2004-01-28 | Dana Automotive Limited | Method of making a stator for an electric machine |
| EP1385257A3 (en) * | 2002-07-25 | 2004-08-11 | Dana Automotive Limited | Method of making a stator for an electric machine |
| US7327065B2 (en) | 2004-03-16 | 2008-02-05 | Sony Corporation | Motor, stator for the same, and manufacturing method thereof |
| JP2008172922A (en) * | 2007-01-11 | 2008-07-24 | Minebea Motor Manufacturing Corp | Radial gap type dc brushless motor and manufacturing method thereof |
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