JPS6149637A - Preparation of sheathing structure for miniature motor - Google Patents
Preparation of sheathing structure for miniature motorInfo
- Publication number
- JPS6149637A JPS6149637A JP59170045A JP17004584A JPS6149637A JP S6149637 A JPS6149637 A JP S6149637A JP 59170045 A JP59170045 A JP 59170045A JP 17004584 A JP17004584 A JP 17004584A JP S6149637 A JPS6149637 A JP S6149637A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- jig
- winding
- bracket
- brackets
- 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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/223—Heat bridges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
木°発明は→Ｊ・−ボモ′−夕等に使用される小型モー
タの簡易な製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a simple method for manufacturing small motors used in motor vehicles, etc.
従来の技術
従り）６から積層し７セ電磁側板からなる鉄心をモータ
の外被の一部として用いた永久磁石界磁同期電動機や誘
専電動機が小型の交流サーボモータとして使用されてい
る。この挿のモータは第２図に示ずように積層された薄
肉の鋼板２からなる積層鉄心１と、この積Ｊｉｌ扶心ｌ
に巻きつけられた固定子巻線３と、該積層鉄心ｌの両端
にボルト４によって強固に固定された一対のブラケッ）
５ａ、５ｂ ”によって支持構造体が構成
され、前記積層鉄心１の中心部を貫通して設けられた中
央空間に回転子８を１茨装し、その軸８ａを前記ブラケ
ット５ａ。According to the prior art) Permanent magnet field synchronous motors and induction motors are used as small AC servo motors, in which an iron core consisting of 6 to 7 electromagnetic side plates is used as part of the motor jacket. As shown in Fig. 2, this insert motor has a laminated iron core 1 made of laminated thin steel plates 2, and a laminated iron core 1 made of laminated thin steel plates 2.
a stator winding 3 wound around the laminated iron core l, and a pair of brackets firmly fixed to both ends of the laminated iron core l with bolts 4).
5a and 5b'' constitute a support structure, one rotor 8 is mounted in a central space provided through the center of the laminated core 1, and its shaft 8a is connected to the bracket 5a.
５ｂに夫々設りられた軸受６，７によって回転可、能に
支持している。It is rotatably supported by bearings 6 and 7 provided on 5b, respectively.
このような（Ｉが造のモータの製造に際しては先ず積層
鉄心ｌに固定巻線３を巻きつけた後、該鉄心ｌの両端部
に突出した巻線３のループ６’ｊＦＨ３ａを被包する成
形用型を取付け、原型内に樹脂等のモールド剤を注入し
てループ端３ａを相互に固着し、その後型を取外した」
ニブラケソｔ−ｓａ、５ｂを装着して外被溝ｊ貴を完成
していた。When manufacturing such a motor (I), first the fixed winding 3 is wound around the laminated iron core l, and then the loops 6'jFH3a of the winding 3 protruding from both ends of the iron core l are covered with a forming process. A mold was attached, a molding agent such as resin was injected into the mold to fix the loop ends 3a to each other, and then the mold was removed.
I installed Niburakeso T-SA and 5b to complete the outer cover groove.
発明の解決すべき問題点
しかしこのような方法は成形用型の取付け、取外し作業
を要するため工程が複雑化し、又樹脂で含浸固着された
巻線のループ端３ａとブラケット５ａ、５ｂの内壁との
間に空間９の存在が避けられず、そこに介在する空気の
断熱作用によって巻線３からの放熱が妨げられる結果を
招来する。Problems to be Solved by the Invention However, such a method complicates the process because it requires work to attach and detach the mold, and the loop end 3a of the winding which is impregnated and fixed with resin and the inner walls of the brackets 5a and 5b. The existence of a space 9 between the windings 3 is unavoidable, and the heat radiation from the winding 3 is hindered due to the heat insulating effect of the air present there.
本発明はこのような従来技術の問題点を解決し、製作工
程の簡便な且つ放熱効果の優れた小型モータの製造方法
を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve the problems of the prior art and provide a method for manufacturing a small motor with a simple manufacturing process and excellent heat dissipation effect.
問題点を解決するための手段
前述の目的は固定子巻線を具え中央に貫通孔を有する積
層鉄心の両端にブラケットを装着して、積層鉄心の両端
からループ状に突出した巻線の端部を該ブラケットの内
部空間に収容し、次いで積層鉄心の貫通孔に、これに適
合する筒状治具を挿入し、以って該治具の外周面とブラ
ケットの内壁の間に成形空間を形成し、該成形空間内に
モールド剤を注入してこれを充填して前記巻線の端部を
固定することを特徴とする小型モータの外被構造の製造
方法によって達成される。Means for Solving the Problems The above purpose is to attach brackets to both ends of a laminated core having a stator winding and a through hole in the center, so that the ends of the winding protrude in a loop shape from both ends of the laminated core. is accommodated in the internal space of the bracket, and then a cylindrical jig that fits this is inserted into the through hole of the laminated core, thereby forming a forming space between the outer peripheral surface of the jig and the inner wall of the bracket. This is achieved by a method for manufacturing a jacket structure for a small motor, which is characterized in that the ends of the windings are fixed by injecting a molding agent into the molding space and filling it with the molding agent.
図面に示す本発明の実施例に基いて更に詳細にその構成
を説明する。The configuration will be explained in more detail based on the embodiment of the present invention shown in the drawings.
第３図には本発明の適用される小型モータの固定子の斜
視図を示す。即ち中心に開口部１１を具えた同一形状の
鋼板１２を多数枚積層して構成された積層鉄心１３には
その周辺に多数穿設された巻線用スロット１４を通じて
軸方向に固定子巻線１５が巻回され、その端部１５ａが
鉄心の両端からループ状に突出している。FIG. 3 shows a perspective view of a stator of a small motor to which the present invention is applied. That is, a laminated core 13 is constructed by laminating a large number of steel plates 12 of the same shape with an opening 11 in the center, and a stator winding 15 is inserted in the axial direction through a number of winding slots 14 drilled around the laminated core 13. is wound, and its end portions 15a protrude in a loop shape from both ends of the iron core.
第１図に示すようにこの鉄心１３は次にその両端面に一
対のブラケット１６．１７を装着され、該ブラ゛ケッ）
１６．１７は複数本のボルト１８によって相互に緊締さ
れて鉄心１３を一体的に挟持して外被構造を形成する。As shown in FIG. 1, this iron core 13 is then fitted with a pair of brackets 16 and 17 on both end faces thereof.
16 and 17 are mutually tightened by a plurality of bolts 18 to integrally sandwich the iron core 13 to form a jacket structure.
前記せる固定子巻線の端部１５ａはブラケッ）１６．１
７の内部空間に収容される。The end portion 15a of the stator winding placed above is a bracket) 16.1
It is accommodated in the internal space of 7.
この状態で成形用治具１９が鉄心１３の開口部１１によ
って形成された中央空間内に嵌挿される。In this state, the forming jig 19 is inserted into the central space formed by the opening 11 of the iron core 13.
該治具１９は筒状をなしその胸部は外周面が鉄心１３の
内周面に僅かなりリアランスを以って対面するようべ直
径を有し、その奥に挿入される方の先端部１９ａはブラ
ケット１７の内側突起１７ａと接触して支承される。治
具１９のもう一方の端部１９ｂはブラケット１６の内周
面と緊密に嵌合する直径を有し、且つ該端部１９ｂには
第４図に示すように周辺部近傍に複数の孔２０が穿設さ
れている。The jig 19 has a cylindrical shape, and its chest has a diameter such that the outer circumferential surface faces the inner circumferential surface of the iron core 13 with a slight clearance. It is supported in contact with the inner protrusion 17a of the bracket 17. The other end 19b of the jig 19 has a diameter that fits tightly with the inner peripheral surface of the bracket 16, and the end 19b has a plurality of holes 20 near its periphery as shown in FIG. is drilled.
この治具１９の挿入によってブラケット１６゜１７の内
壁と鉄心１３の端部との間には第１図の下半分に示すよ
うに円環状空間２１．２１ａが形成され、該空間２１内
には前述の固定子巻線１５のループ状端部１５ａが存在
することになる。前記せる孔２０はこの円環状空間２１
と外部とを連通ずる。By inserting this jig 19, an annular space 21.21a is formed between the inner wall of the bracket 16-17 and the end of the iron core 13, as shown in the lower half of FIG. The aforementioned loop-shaped end portion 15a of the stator winding 15 will be present. The hole 20 is inserted into this annular space 21.
communicates with the outside.
この状態において孔２０からエポキシ樹脂等の公知のモ
ールド剤２２を注入し空間２１内に導入する。第１図の
上半分に示すように該モールド剤は先ず入口側空間を充
填し、次いで治具１９の外周と鉄心１３の内周との間の
クリアランス及び／又は巻線用スロット１４を通って奥
の方の空間２１ａ間に侵入してこれを充填する。In this state, a known molding agent 22 such as epoxy resin is injected through the hole 20 and introduced into the space 21 . As shown in the upper half of FIG. 1, the molding agent first fills the inlet side space, and then passes through the clearance between the outer periphery of the jig 19 and the inner periphery of the iron core 13 and/or through the winding slot 14. It invades the space 21a at the back and fills it.
モールド剤が固化した後、冶具１９は取外され、その後
常法によって軸受、回転子等が組付けられてモータが完
成する。After the molding agent has solidified, the jig 19 is removed, and then the bearing, rotor, etc. are assembled in a conventional manner to complete the motor.
このようにして製造されたモータにおいては固定子巻線
の端部１５ａとブラケッ）１６．１７の間がモールド剤
によって充填されているので該モールド剤の熱伝導によ
って巻線に発生した熱は速やかにブラケット１６．１７
に伝えられ、こ＼から大気中に放散される。又モールド
剤の接着効果によって鉄心］３とブラケッ）１６．１７
間の結合力が増大する。更にモールド剤は端部空間２１
゜２ｉａ 内のみでなく、巻線用スロット１４内にも侵
入するのでＳ綿１５と鉄心１３との間の保持力をも向上
せしめる。In the motor manufactured in this manner, the space between the end portion 15a of the stator winding and the bracket 16.17 is filled with molding agent, so that the heat generated in the winding due to heat conduction of the molding agent is quickly dissipated. Bracket 16.17
It is transmitted to the air, and from there it is dissipated into the atmosphere. Also, due to the adhesive effect of the molding agent, the iron core] 3 and bracket) 16.17
The bonding strength between them increases. Furthermore, the molding agent is applied to the end space 21.
Since it penetrates not only into the inside of the wire winding slot 14 but also into the winding slot 14, the holding force between the S cotton 15 and the iron core 13 is improved.
発明の効果
本発明によればモータの外被構造の製造において、特別
の成形用型を用いることなく、鉄心とブラケットとを一
体的□に組付けた後、ブラケットの内壁自体を成形用型
としてモールド剤を注入するようになしたので工程が簡
略でき、更に得られたモータの放熱効果並びに構造強度
をも向上せしめることができる。Effects of the Invention According to the present invention, in manufacturing the outer cover structure of a motor, the inner wall of the bracket itself can be used as a molding mold after the iron core and the bracket are integrally assembled without using a special molding mold. Since the molding agent is injected, the process can be simplified, and the heat dissipation effect and structural strength of the resulting motor can also be improved.
第１図は本発明方法によって製造中のモータの側断面図
、第２図は従来の方法によって製造されたモータの側断
面図、第３図は固定子の構造を示す斜視図、及び第４図
は本発明で使用される冶具の入口側端面の正面図である
。
１３−・積層鉄心
１４・・スロット
１６．１７−・−ブラケット
１５ａ−・・固定子巻線端部
１９−治具
２２−モールド剤
・５．卦１ ）医１
第２図FIG. 1 is a side sectional view of a motor being manufactured by the method of the present invention, FIG. 2 is a side sectional view of a motor manufactured by a conventional method, FIG. 3 is a perspective view showing the structure of a stator, and FIG. The figure is a front view of the inlet side end face of the jig used in the present invention. 13--Laminated core 14--Slot 16.17--Bracket 15a--Stator winding end 19-Jig 22-Molding agent 5. Trigram 1) Medicine 1 Figure 2
Claims (1)
両端にブラケットを装着して、積層鉄心の両端からルー
プ状に突出した巻線の端部を該ブラケットの内部空間に
収容し、次いで積層鉄心の貫通孔に、これに適合する筒
状治具を挿入し、以って該治具の外周面とブラケットの
内壁の間に成形空間を形成し、該成形空間内にモールド
剤を注入してこれを充填して前記巻線の端部を固定する
ことを特徴とする小型モータの外被構造の製造方法。1. A bracket is attached to both ends of a laminated core that includes a stator winding and has a through hole in the center, and the ends of the winding that protrude in a loop shape from both ends of the laminated core are accommodated in the internal space of the bracket, Next, a fitting cylindrical jig is inserted into the through hole of the laminated core, a molding space is formed between the outer peripheral surface of the jig and the inner wall of the bracket, and a molding agent is applied into the molding space. A method of manufacturing a jacket structure for a small motor, characterized in that the ends of the windings are fixed by injecting and filling the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59170045A JPS6149637A (en) | 1984-08-16 | 1984-08-16 | Preparation of sheathing structure for miniature motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59170045A JPS6149637A (en) | 1984-08-16 | 1984-08-16 | Preparation of sheathing structure for miniature motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6149637A true JPS6149637A (en) | 1986-03-11 |
Family
ID=15897590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59170045A Pending JPS6149637A (en) | 1984-08-16 | 1984-08-16 | Preparation of sheathing structure for miniature motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6149637A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03112344A (en) * | 1989-09-25 | 1991-05-13 | Mitsubishi Electric Corp | Small sized motor |
| EP0560993A1 (en) * | 1991-10-05 | 1993-09-22 | Fanuc Ltd | Cooled motor and a method of manufacturing its jacket |
| EP0581966A1 (en) * | 1992-02-21 | 1994-02-09 | Fanuc Ltd. | Motor equipped with stator cooling means |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036902A (en) * | 1973-06-29 | 1975-04-07 |
-
1984
- 1984-08-16 JP JP59170045A patent/JPS6149637A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036902A (en) * | 1973-06-29 | 1975-04-07 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03112344A (en) * | 1989-09-25 | 1991-05-13 | Mitsubishi Electric Corp | Small sized motor |
| EP0560993A1 (en) * | 1991-10-05 | 1993-09-22 | Fanuc Ltd | Cooled motor and a method of manufacturing its jacket |
| EP0560993A4 (en) * | 1991-10-05 | 1994-06-08 | Fanuc Ltd | Cooled motor and its jacket |
| US5448118A (en) * | 1991-10-05 | 1995-09-05 | Fanuc Limited | Liquid cooled motor and its jacket |
| EP0581966A1 (en) * | 1992-02-21 | 1994-02-09 | Fanuc Ltd. | Motor equipped with stator cooling means |
| EP0581966A4 (en) * | 1992-02-21 | 1994-06-08 | Fanuc Ltd | Motor equipped with stator cooling means |
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