JPS61207162A - Protecting device for permanent magnet rotor - Google Patents

Protecting device for permanent magnet rotor

Info

Publication number
JPS61207162A
JPS61207162A JP60046810A JP4681085A JPS61207162A JP S61207162 A JPS61207162 A JP S61207162A JP 60046810 A JP60046810 A JP 60046810A JP 4681085 A JP4681085 A JP 4681085A JP S61207162 A JPS61207162 A JP S61207162A
Authority
JP
Japan
Prior art keywords
permanent magnet
heat
yoke
resin
fiber
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
Application number
JP60046810A
Other languages
Japanese (ja)
Inventor
Hiroshi Hoshino
星野　博
Tomonori Kinoshita
木下　知則
Hiroshi Kaise
貝瀬　博史
Masaharu Uchibori
内堀　正晴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP60046810A priority Critical patent/JPS61207162A/en
Publication of JPS61207162A publication Critical patent/JPS61207162A/en
Pending legal-status Critical Current

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
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

PURPOSE:To prevent permanent magnet pieces from being damaged, by covering the external surface of the permanent magnet pieces with prepreg tape of woven fabric impregnated with semi-hardened thermosetting resin, and by shrinking and hardening the resin with heat. CONSTITUTION:A plurality of permanent magnets 3 are fitted on the outer peripheral face of a cylindrical yoke 2 with bonding agent 5. The prepreg tape 7 of 0.13-0.25mm in thickness covering the external surface of the permanent magnets 3 is formed with woven fabric 10 organized with heat-shrinking polyester fiber 8 and glass fiber 9 which is impregnated with semi-hardened thermosetting epoxy resin 11. After the tape 7 is fixed on the external surface of the permanent magnet pieces 3, the tape is treated with heat and thermosetting epoxy resin 11 is hardened to form a permanent magnet rotor. In this manner, when the heat-shrinking polyester fiber 8 is treated with heat, then the fiber 8 is shrinked, and the permanent magnet pieces 3 are arranged to come in close contact with the yoke 2, and the fiber 8 is reinforced with the glass fiber 9.

Description

【発明の詳細な説明】 （イ）産業上の利用分野 この発明は永久磁石回転子の保護装置の改良に関する。[Detailed description of the invention] (b) Industrial application fields This invention relates to an improvement in a permanent magnet rotor protection device.

（ロ）従来の技術 従来の永久磁石回転子は例えば特開昭５７−１７７２６
３号公報に示されているように構成されている。ここで
、この公報を参考に従来例を説明する。第４図において
、（１）はシャフト、（２）はヨーク、（３）は永久磁
石片、（４）はキャップ、（５）は接着剤。(B) Conventional technology A conventional permanent magnet rotor is disclosed in, for example, Japanese Patent Application Laid-Open No. 57-17726.
It is configured as shown in Publication No. 3. Here, a conventional example will be explained with reference to this publication. In Fig. 4, (1) is the shaft, (2) is the yoke, (3) is the permanent magnet piece, (4) is the cap, and (5) is the adhesive.

（６）はガラス繊維で補強された樹脂硬化物である。(6) is a cured resin material reinforced with glass fibers.

すなわち、シャフト（１）にヨーク（２）を圧入固定し
た後、複数個の永久磁石片（３）をヨーク（２）の外周
面上に配置し、ヨーク（２）と永久磁石片（３）の端末
部を覆うようにキャップ（４）を外挿し、接着剤（５）
によって固着させた後、キャップ（４）及び永久磁石片
（３）の外周面に熱硬化性樹脂を含浸させたガラス繊維
を巻き、加熱硬化して完成される。そして、複数個の永
久磁石片（３）は接着したキャップ（４）とガラス繊維
で補強された樹脂硬化物（６）によって強固にヨーク（
２）に固定されている。That is, after press-fitting and fixing the yoke (2) to the shaft (1), a plurality of permanent magnet pieces (3) are placed on the outer peripheral surface of the yoke (2), and the yoke (2) and the permanent magnet pieces (3) Insert the cap (4) so as to cover the end of the adhesive (5).
After fixing the cap (4) and the permanent magnet piece (3), glass fiber impregnated with a thermosetting resin is wrapped around the outer peripheral surfaces of the cap (4) and the permanent magnet piece (3), and the cap is completed by heating and curing. The plurality of permanent magnet pieces (3) are firmly yoke (
2) is fixed.

（ハ）発明が解決しようとする問題点 しかしながら、樹脂硬化物（６）は永久磁石片（３）の
外周面に巻付けたときの状態で硬化し、この永久磁石の
ヨーク（２）への取付は時にガタッキがあった場合には
、ヨーク（２）に永久磁石片（３）を固定することがで
きなくなる問題があった。(c) Problems to be Solved by the Invention However, the cured resin (6) hardens in the state when it is wound around the outer circumferential surface of the permanent magnet piece (3), and the cured resin (6) hardens when wrapped around the outer peripheral surface of the permanent magnet piece (3). If there is some looseness during installation, there is a problem that the permanent magnet piece (3) cannot be fixed to the yoke (2).

この発明は上記の問題を解決するために、ヨークの外周
面上に配置した永久磁石片をこのヨークに密着して取付
けられるようにすることを目的とするものである。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, it is an object of the present invention to enable a permanent magnet piece placed on the outer peripheral surface of a yoke to be attached to the yoke in close contact with the yoke.

に）問題点を解決するための手段 この発明は熱収縮性繊維とガラス繊維とで構成された交
織布に熱硬化性樹脂を含浸し、この含浸樹脂を半硬化状
態としたプリプレグテープで永久磁石片の外表面を被覆
した後、加熱により熱収縮性繊維を収縮させるとともに
、熱硬化性樹脂を硬化させるものである。2) Means for Solving the Problems This invention involves impregnating a woven fabric made of heat-shrinkable fibers and glass fibers with a thermosetting resin, and using a prepreg tape with the impregnated resin in a semi-cured state to create a permanent magnet. After the outer surface of the piece is coated, the heat-shrinkable fibers are shrunk by heating, and the thermosetting resin is cured.

（ホ）作用 この発明は交織布に含浸させた熱硬化性樹脂を半硬化状
態としたプリプレグチーブで永久磁石片の外表面を被覆
した後、加熱して熱収縮性繊維を収縮させるとともに、
熱硬化性樹脂を硬化させたことにより、ヨークの外周面
に永久磁石片が密着して取付けられ、かつ、この永久磁
石片の外表面を保護するようにしたものである。(E) Function This invention covers the outer surface of a permanent magnet piece with a semi-cured prepreg chive made from a thermosetting resin impregnated into a mixed woven fabric, and then heats it to shrink the heat-shrinkable fibers.
By curing the thermosetting resin, a permanent magnet piece is attached in close contact with the outer peripheral surface of the yoke, and the outer surface of the permanent magnet piece is protected.

（へ）実施例 以下この発明を第１図乃至第３図に示す実施例に基づい
て説明する。(f) Examples The present invention will be explained below based on the examples shown in FIGS. 1 to 3.

円筒状のヨーク（２）の外周面にはフェライト製の複数
個の永久磁石片（３）が接着剤（５）によって取付けら
れている。（７）は永久磁石片（３）の外表面を覆う厚
さ０．１３〜０．２５ｔｍのプリプレグテープで、この
プリプレグテープは熱収縮性ポリエステル繊維（８）と
ガラス繊維（９）とで構成された交織有頭に熱硬化性エ
ポキシ樹脂（ロ）を含浸させ、この樹脂を半硬化状態に
して形成されている。交織布〆は熱収縮性ポリエステル
繊維（８）をヨーク（２）の円周方向に、ガラス繊維（
９）をヨーク（２）の軸線方向に位置させるように永久
磁石片（３）の外表面に巻き付けられている。A plurality of permanent magnet pieces (3) made of ferrite are attached to the outer peripheral surface of the cylindrical yoke (2) with an adhesive (5). (7) is a prepreg tape with a thickness of 0.13 to 0.25 tm that covers the outer surface of the permanent magnet piece (3), and this prepreg tape is composed of heat-shrinkable polyester fiber (8) and glass fiber (9). The mixed weave head is impregnated with a thermosetting epoxy resin (b), and the resin is semi-cured. The mixed woven fabric is made of heat-shrinkable polyester fiber (8) in the circumferential direction of the yoke (2) and glass fiber (
9) is wound around the outer surface of the permanent magnet piece (3) so as to be positioned in the axial direction of the yoke (2).

このように構成された永久磁石回転子の保護装置におい
て、永久磁石回転子の組立屓序を説明すると、複数個の
永久磁石片（３）は円筒状のヨーク（２）の外周面に接
着剤（５）によって取付けられる。次に、プリプレグテ
ープ（７）は予め１２０℃程度に加熱されたコテ等で巻
き始め端を永久磁石片（３）の外表面に固着し、−巻き
した後、一部重ね合わせながら全面に巻き付け、巻き終
り端をコテ等で固着させる。その後、１５０℃で１〜２
時間熱処理を施こして熱硬化性エポキシ樹脂（ロ）を硬
化させて永久磁石回転子は完成する。In the permanent magnet rotor protection device configured as described above, the assembly sequence of the permanent magnet rotor is explained as follows: A plurality of permanent magnet pieces (3) are glued to the outer peripheral surface of a cylindrical yoke (2). (5) Attached by. Next, the prepreg tape (7) is wound with a iron or the like preheated to about 120°C, and the end is fixed to the outer surface of the permanent magnet piece (3). , Secure the end of the roll with a trowel, etc. After that, 1-2 at 150℃
The permanent magnet rotor is completed by subjecting it to a time heat treatment to harden the thermosetting epoxy resin (b).

交織布■に使用されている熱収縮性ポリエステル繊維（
８）はヨーク（２）の円周方向に巻かれており。Heat-shrinkable polyester fiber used in mixed woven fabric (
8) is wound in the circumferential direction of the yoke (2).

熱処理時に収縮して永久磁石片（３）をヨーク（２）に
密着させている。また、交織有頭に使用されているガラ
ス繊維（９）は熱硬化性エポキシ樹脂（ロ）を補強して
永久磁石片（３）が破損しないようにしている。The permanent magnet piece (3) is brought into close contact with the yoke (2) by shrinking during heat treatment. Further, the glass fiber (9) used in the mixed weave head reinforces the thermosetting epoxy resin (b) to prevent the permanent magnet piece (3) from being damaged.

（ト）発明の効果 この発明の永久磁石回転子の保護装置は熱収縮性繊維と
ガラス繊維とで構成された交織布に熱硬化性樹脂を含浸
し、この含浸樹脂を半硬化状態としたプリプレグチーブ
で永久磁石片の外表面を被覆した後、加熱により熱収縮
性繊維を収縮させるとともに、熱硬化性樹脂を硬化させ
たのであるから、永久磁石片を熱収縮性繊維の収縮によ
ってヨークに密着して固定できるとともに、ガラス繊維
と熱硬化性樹脂とで永久磁石片の破損を防止できるよう
にしている。(g) Effects of the Invention The protection device for a permanent magnet rotor of this invention is made of prepreg made by impregnating a thermosetting resin into a woven fabric made of heat-shrinkable fibers and glass fibers, and semi-curing the impregnated resin. After covering the outer surface of the permanent magnet piece with chives, the heat-shrinkable fibers were heated to shrink and the thermosetting resin was cured, so the permanent magnet piece was tightly attached to the yoke by the shrinkage of the heat-shrinkable fibers. In addition, the glass fiber and thermosetting resin prevent damage to the permanent magnet pieces.

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第３図はこの発明を示し、第１図は永久磁石
回転子を示す平面図、第２図は同じく正面図、第３図は
プリプレグテープの要部拡大平面図、第４図は従来例を
示す永久磁石回転子の断面図である。 （２）・・・ヨーク、　（３）・・・永久磁石片、　（
８）・・・熱収縮性ポリエステル繊維、　（９）・・・
ガラス繊維、　［相］・・・交織布、　（ロ）・・・熱
硬化性エポキシ樹脂。1 to 3 show the present invention, FIG. 1 is a plan view showing a permanent magnet rotor, FIG. 2 is a front view, FIG. 3 is an enlarged plan view of essential parts of a prepreg tape, and FIG. 4 1 is a sectional view of a permanent magnet rotor showing a conventional example. (2)...Yoke, (3)...Permanent magnet piece, (
8)...Heat-shrinkable polyester fiber, (9)...
Glass fiber, [Phase]: Mixed woven fabric, (B): Thermosetting epoxy resin.

Claims (1)

【特許請求の範囲】[Claims] １、円筒状のヨークの外周面に永久磁石片を取付けた永
久磁石回転子において、熱収縮性繊維とガラス繊維とで
構成された交織布に熱硬化性樹脂を含浸し、この含浸樹
脂を半硬化状態としたプリプレグテープで永久磁石片の
外表面を被覆した後、加熱により熱収縮性繊維を収縮さ
せるとともに、熱硬化性樹脂を硬化させたことを特徴と
する永久磁石回転子の保護装置。1. In a permanent magnet rotor in which permanent magnet pieces are attached to the outer circumferential surface of a cylindrical yoke, a thermosetting resin is impregnated into a woven fabric made of heat-shrinkable fibers and glass fibers, and this impregnated resin is semi-woven. A protection device for a permanent magnet rotor, characterized in that the outer surface of a permanent magnet piece is covered with prepreg tape in a cured state, and then heat shrinkable fibers are contracted by heating, and a thermosetting resin is cured.
JP60046810A 1985-03-08 1985-03-08 Protecting device for permanent magnet rotor Pending JPS61207162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60046810A JPS61207162A (en) 1985-03-08 1985-03-08 Protecting device for permanent magnet rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60046810A JPS61207162A (en) 1985-03-08 1985-03-08 Protecting device for permanent magnet rotor

Publications (1)

Publication Number Publication Date
JPS61207162A true JPS61207162A (en) 1986-09-13

Family

ID=12757679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60046810A Pending JPS61207162A (en) 1985-03-08 1985-03-08 Protecting device for permanent magnet rotor

Country Status (1)

Country Link
JP (1) JPS61207162A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10174325A (en) * 1996-12-16 1998-06-26 Mitsubishi Electric Corp Permanent-magnet rotary electric machine
WO2000074209A1 (en) * 1999-05-28 2000-12-07 Mccord Winn Textron Shrink-fit tubing for magnetic segments
EP1111756A2 (en) * 1999-12-14 2001-06-27 Volkswagen Aktiengesellschaft Electric machine
EP1380093A1 (en) * 2001-03-24 2004-01-14 Lg Electronics Inc. Mover assembly of reciprocating motor and fabrication method thereof
JP2009017708A (en) * 2007-07-06 2009-01-22 Nidec Sankyo Corp Rotor, manufacturing method for rotor and motor
DE102008050831A1 (en) * 2008-10-08 2010-04-15 Pro Diskus Ag Rotor for an electric machine and use thereof and apparatus and method for its manufacture
CN102957299A (en) * 2011-08-25 2013-03-06 发那科株式会社 Magnetic plate having woven cloth, linear motor having the magnetic plate, and method of manufacturing the magnetic plate
WO2013179059A2 (en) * 2012-06-01 2013-12-05 Crompton Technology Group Limited Rotor
EP2763283A1 (en) * 2013-02-04 2014-08-06 Politubes S.r.L. A fixing device for brushless motors
CN104485787A (en) * 2014-12-15 2015-04-01 哈尔滨电气动力装备有限公司 Magnetic steel fixing process of permanent magnet motor rotor
US9088190B2 (en) 2011-11-30 2015-07-21 Abb Research Ltd. Electrical machines and electrical machine rotors
CN105529850A (en) * 2014-10-20 2016-04-27 发那科株式会社 Magnet holding member used in rotating electrical machine, rotor, rotating electrical machine, and machine tool
JP2016100974A (en) * 2014-11-20 2016-05-30 多摩川精機株式会社 Inner rotor motor, rotor for the same, and method of manufacturing rotor
US9667109B2 (en) 2011-03-31 2017-05-30 Abb Research Ltd. Permanent magnet electrical machine rotors with stacked annular magnets and retainers and construction methods therefor
ITUA20162053A1 (en) * 2016-03-25 2017-09-25 Politubes S R L DEVICE FOR FIXING THE MAGNETS OF A BRUSHLESS MOTOR ROTOR
JP2017195751A (en) * 2016-04-22 2017-10-26 ファナック株式会社 Holding member, rotor of rotary electric machine including the same, and rotary electric machine including the same
WO2018216257A1 (en) * 2017-05-22 2018-11-29 三菱電機株式会社 Spm motor rotor and method for manufacturing same
CN110734604A (en) * 2019-10-09 2020-01-31 中广核俊尔(浙江)新材料有限公司 organic sheets and preparation method thereof
FR3111244A1 (en) * 2020-06-09 2021-12-10 Whylot Magnet pole with several individual magnets encased in a layer of composite

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10174325A (en) * 1996-12-16 1998-06-26 Mitsubishi Electric Corp Permanent-magnet rotary electric machine
WO2000074209A1 (en) * 1999-05-28 2000-12-07 Mccord Winn Textron Shrink-fit tubing for magnetic segments
EP1111756A2 (en) * 1999-12-14 2001-06-27 Volkswagen Aktiengesellschaft Electric machine
EP1111756A3 (en) * 1999-12-14 2003-09-24 Volkswagen Aktiengesellschaft Electric machine
EP1380093A1 (en) * 2001-03-24 2004-01-14 Lg Electronics Inc. Mover assembly of reciprocating motor and fabrication method thereof
EP1380093A4 (en) * 2001-03-24 2006-08-09 Lg Electronics Inc Mover assembly of reciprocating motor and fabrication method thereof
JP2009017708A (en) * 2007-07-06 2009-01-22 Nidec Sankyo Corp Rotor, manufacturing method for rotor and motor
DE102008050831A1 (en) * 2008-10-08 2010-04-15 Pro Diskus Ag Rotor for an electric machine and use thereof and apparatus and method for its manufacture
US9667109B2 (en) 2011-03-31 2017-05-30 Abb Research Ltd. Permanent magnet electrical machine rotors with stacked annular magnets and retainers and construction methods therefor
CN102957299A (en) * 2011-08-25 2013-03-06 发那科株式会社 Magnetic plate having woven cloth, linear motor having the magnetic plate, and method of manufacturing the magnetic plate
US9088190B2 (en) 2011-11-30 2015-07-21 Abb Research Ltd. Electrical machines and electrical machine rotors
WO2013179059A2 (en) * 2012-06-01 2013-12-05 Crompton Technology Group Limited Rotor
WO2013179059A3 (en) * 2012-06-01 2014-12-24 Crompton Technology Group Limited Rotor
EP2763283A1 (en) * 2013-02-04 2014-08-06 Politubes S.r.L. A fixing device for brushless motors
CN105529850A (en) * 2014-10-20 2016-04-27 发那科株式会社 Magnet holding member used in rotating electrical machine, rotor, rotating electrical machine, and machine tool
CN105529850B (en) * 2014-10-20 2017-11-03 发那科株式会社 Magnet retaining element, rotor, electric rotating machine and lathe used in electric rotating machine
JP2016082773A (en) * 2014-10-20 2016-05-16 ファナック株式会社 Magnet holding member used for rotary electric machine, rotor, rotary electric machine and machine tool
US9680342B2 (en) 2014-10-20 2017-06-13 Fanuc Corporation Magnet holding member used in rotating electrical machine, rotor, rotating electrical machine, and machine tool
JP2016100974A (en) * 2014-11-20 2016-05-30 多摩川精機株式会社 Inner rotor motor, rotor for the same, and method of manufacturing rotor
CN104485787A (en) * 2014-12-15 2015-04-01 哈尔滨电气动力装备有限公司 Magnetic steel fixing process of permanent magnet motor rotor
ITUA20162053A1 (en) * 2016-03-25 2017-09-25 Politubes S R L DEVICE FOR FIXING THE MAGNETS OF A BRUSHLESS MOTOR ROTOR
JP2017195751A (en) * 2016-04-22 2017-10-26 ファナック株式会社 Holding member, rotor of rotary electric machine including the same, and rotary electric machine including the same
US10312758B2 (en) 2016-04-22 2019-06-04 Fanuc Corporation Holding member, rotor of a rotating electrical machine comprising the same, and a rotating electrical machine comprising the rotor
WO2018216257A1 (en) * 2017-05-22 2018-11-29 三菱電機株式会社 Spm motor rotor and method for manufacturing same
JPWO2018216257A1 (en) * 2017-05-22 2019-11-07 三菱電機株式会社 SPM motor rotor and manufacturing method thereof
CN110734604A (en) * 2019-10-09 2020-01-31 中广核俊尔(浙江)新材料有限公司 organic sheets and preparation method thereof
FR3111244A1 (en) * 2020-06-09 2021-12-10 Whylot Magnet pole with several individual magnets encased in a layer of composite
WO2021250509A1 (en) 2020-06-09 2021-12-16 Whylot Magnet pole with a plurality of unit magnets coated in a composite layer

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