JPH0520984B2 - - Google Patents
Info
- Publication number
- JPH0520984B2 JPH0520984B2 JP58207190A JP20719083A JPH0520984B2 JP H0520984 B2 JPH0520984 B2 JP H0520984B2 JP 58207190 A JP58207190 A JP 58207190A JP 20719083 A JP20719083 A JP 20719083A JP H0520984 B2 JPH0520984 B2 JP H0520984B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- insulating varnish
- electrical equipment
- winding
- windings
- 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.)
- Expired - Lifetime
Links
- 239000002966 varnish Substances 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【発明の詳細な説明】
［発明の技術分野］
本発明は電気機器コイルに絶縁ワニスを滴下含
浸させる方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a method for drip-impregnating electrical equipment coils with insulating varnish.
［発明の技術的背景］
近年、生産性向上の趣旨に沿つて、電気機器の
絶縁処理においても簡易化、自動化、省力化およ
び無公害化が盛んに進められており、新しい絶縁
処理方法の一つとして絶縁ワニスの滴下含浸方法
が実用化されている。[Technical Background of the Invention] In recent years, in line with the aim of improving productivity, simplification, automation, labor saving, and pollution-free insulation treatment of electrical equipment has been actively promoted, and one of the new insulation treatment methods is One method that has been put into practical use is the drip impregnation method with insulating varnish.
この方法は、電動機のステーターコイルやロー
ターコイルのような電気機器コイルを予熱し、こ
れを自転させながらそのコイルエンドに無溶剤型
絶縁ワニスを適量ずつ滴下させて毛細管作用で巻
線空間に隙間なく浸透含浸させた後、硬化させる
方法であり、以下に示すような種々の長所を有し
ている。 This method involves preheating an electric equipment coil such as the stator coil or rotor coil of an electric motor, and then dripping an appropriate amount of solvent-free insulating varnish onto the end of the coil as it rotates, thereby creating a capillary action that creates no gaps in the winding space. This method involves permeation and impregnation followed by curing, and has various advantages as shown below.
すなわち、 (1) 処理に要する時間が極めて短い。 That is, (1) The time required for processing is extremely short.
(2) 樹脂の無駄が少なく、再使用する必要がな
い。(2) There is little waste of resin and there is no need to reuse it.
(3) 可燃性蒸気やガスの発生が極めて少ない。(3) Very little flammable vapor or gas is generated.
(4) 鉄心等に絶縁ワニスが付着しないので除去作
業が不要である。(4) Since insulating varnish does not adhere to the iron core, removal work is not necessary.
(5) コイルバランスがとり易い。(5) Easy to balance the coil.
(6) 作業に要するスペースが少なくて済む。(6) Less space is required for work.
(7) 動力費や燃料費を節約することができる。(7) Power costs and fuel costs can be saved.
等の多くの利点を有している。It has many advantages such as
［背景技術の問題点］
しかしながら、この方法によりステーターコイ
ルの滴下含浸を行なう場合には、コイルにリード
線やチヤツキング治具が取着されているため、こ
れらが取付けられた側のコイルエンドには絶縁ワ
ニスを直接滴下することができず、この部分の巻
線間に絶縁ワニスが浸透含浸し難いという問題が
あつた。[Problems with the background art] However, when performing drip impregnation of the stator coil using this method, lead wires and chucking jigs are attached to the coil, so the coil end on the side where these are attached is There was a problem in that it was not possible to drop the insulating varnish directly, and it was difficult for the insulating varnish to penetrate and impregnate between the windings in this part.
特にコイルを構成する巻線が太い場合には、こ
の傾向が顕著に現れ、コイル成形時の傷等を絶縁
ワニスによりカバーすることはほとんど不可能で
あつた。 This tendency is particularly noticeable when the winding wire constituting the coil is thick, and it has been almost impossible to cover scratches and the like during coil molding with insulating varnish.
また、ローターコイルのうち自動車用スタータ
ーのローターコイルに絶縁ワニスを滴下含浸する
場合にも、従来の方法では反コンミユテーター側
の内側巻線間に絶縁ワニスが浸透し難いという問
題があつた。従つて、コイルの使用中この部分に
カーボンかすや埃が溜り易く、メグ低下や耐圧不
良を引き起こす原因になつていた。 Furthermore, when insulating varnish is dripped and impregnated into the rotor coil of an automobile starter among the rotor coils, the conventional method has a problem in that the insulating varnish is difficult to penetrate between the inner windings on the side opposite to the commutator. Therefore, while the coil is in use, carbon scum and dust tend to accumulate in this area, causing a drop in Meg and poor pressure resistance.
［発明の目的］
本発明はこれらの問題を解決するためになされ
たもので、電気機器コイルの巻線部全体に隙間な
く絶縁ワニスを浸透させ、巻線部内周面上にも絶
縁ワニス塗膜を形成することのできる絶縁ワニス
滴下含浸方法を提供することを目的とする。[Objective of the Invention] The present invention has been made to solve these problems, and it involves infiltrating the entire winding part of an electrical equipment coil with an insulating varnish without any gaps, and coating the inner peripheral surface of the winding part with the insulating varnish. An object of the present invention is to provide a method for drip-impregnating an insulating varnish that can form an insulating varnish.
［発明の概要］
すなわち本発明の電気機器コイルの絶縁ワニス
滴下含浸方法は、予熱された電気機器コイルの円
筒状巻線部を回転させつつそのコイルエンドに絶
縁ワニスを滴下して巻線間に前記絶縁ワニスを浸
透含浸させるにあたり、前記円筒状巻線部の内面
にフツ素系樹脂からなる有低円筒状部材を、その
外周面を内接させて嵌挿させることを特徴として
いる。[Summary of the Invention] That is, the method of dripping and impregnating an electrical equipment coil with insulating varnish according to the present invention involves rotating the cylindrical winding portion of a preheated electrical equipment coil and dropping the insulating varnish onto the end of the coil to form a part between the windings. In penetrating and impregnating the insulating varnish, a low cylindrical member made of fluorine-based resin is fitted into the inner surface of the cylindrical winding portion with its outer peripheral surface inscribed.
［発明の実施例］
以下本発明の詳細を図面に示す一実施例につい
て説明する。[Embodiment of the Invention] The details of the present invention will be described below with reference to an embodiment shown in the drawings.
第１図はステーターコイルに絶縁ワニスを滴下
含浸させる本発明の実施例を示す縦断面図であ
る。図において、符号１は予熱されたステーター
コイルを示し、この巻線部２の一端にはリード線
３が取着されている。また、このステーターコイ
ル１の鉄心４の中空内部には軸方向に金属製チヤ
ツク５が挿嵌されている。鉄心４内周面は金属製
チヤツク５の爪部６に係着されており、ステータ
ーコイル１全体は金属製チヤツク５の回転に追従
して矢印の方向に自転している。 FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention in which a stator coil is dripped and impregnated with insulating varnish. In the figure, reference numeral 1 indicates a preheated stator coil, and a lead wire 3 is attached to one end of this winding portion 2. Further, a metal chuck 5 is inserted into the hollow interior of the iron core 4 of the stator coil 1 in the axial direction. The inner peripheral surface of the iron core 4 is engaged with a claw portion 6 of a metal chuck 5, and the entire stator coil 1 follows the rotation of the metal chuck 5 and rotates in the direction of the arrow.
また金属製チヤツク５の爪部６の周りには、巻
線部２の内径とほぼ等しい外径を有する有底円筒
状のテフロン製治具７が装着されており、このテ
フロン製治具７も金属製チヤツク５の回転に追従
してステーターコイル１と同一の方向に同速度で
自転している。さらにステーターコイル１のコイ
ルエンドのうち所定の３個所の上方には、それぞ
れ滴下ノズル８が設置され、これから絶縁ワニス
９が適量ずつコイルエンドに滴下されている。 Further, a Teflon jig 7 in the shape of a bottomed cylinder having an outer diameter approximately equal to the inner diameter of the winding portion 2 is attached around the claw portion 6 of the metal chuck 5. Following the rotation of the metal chuck 5, it rotates in the same direction and at the same speed as the stator coil 1. Furthermore, dripping nozzles 8 are installed above three predetermined locations among the coil ends of the stator coil 1, and an appropriate amount of insulating varnish 9 is dripped from the nozzles 8 onto the coil ends.
次に第２図に示す別の実施例について説明す
る。図において、符号１０は予熱されたローター
コイルを示しており、このローターコイル１０の
円筒状巻線部の中央空隙部にはシヤフト１１が軸
装され、シヤフト１１の両端を軸支する支持駆動
体１２により矢印の方向に自転されている。 Next, another embodiment shown in FIG. 2 will be described. In the figure, reference numeral 10 indicates a preheated rotor coil, and a shaft 11 is mounted in the central gap of the cylindrical winding portion of the rotor coil 10, and a support drive body that pivotally supports both ends of the shaft 11. 12, it is rotated in the direction of the arrow.
また、このローターコイル１０の反コンミユテ
ーター側の巻線部１３の中央空隙部には、巻線部
１３と内径とほぼ等しい外径を有する有底円筒状
のテフロン製治具１４が同軸的に挿嵌されてい
る。このテフロン製治具１４はシヤフト１１の外
周面に係着され、シヤフト１１の回転に従いロー
ターコイルは同方向に同速度で自転する。さらに
巻線部１３のコイルエンド上方には滴下ノズル１
５が設置され、絶縁ワニス１６が適量ずつコイル
エンドに滴下される。なお第２図中符号１７は鉄
心を示す。 Further, in the central gap of the winding part 13 on the side opposite to the commutator of the rotor coil 10, a Teflon jig 14 having a bottomed cylindrical shape and having an outer diameter approximately equal to the inner diameter of the winding part 13 is installed coaxially. is inserted into. This Teflon jig 14 is attached to the outer peripheral surface of the shaft 11, and as the shaft 11 rotates, the rotor coil rotates in the same direction and at the same speed. Further, above the coil end of the winding part 13 is a drip nozzle 1.
5 is installed, and an appropriate amount of insulating varnish 16 is dripped onto the coil end. Note that the reference numeral 17 in FIG. 2 indicates an iron core.
以上のように構成される実施例においては、い
ずれもコイルの巻線部２，１３内周面とテフロン
製治具７，１４外周面との間に毛細管作用により
滴下された絶縁ワニス９，１６が十分に浸透含浸
されることになる。また、治具７，１４が剥離性
と摺動性に優れたフツ素系樹脂で構成されている
ので、抜き取る際に巻線部２，１３に傷を付ける
ことがなく、付着ワニスの除去も簡単である。 In the embodiments configured as described above, insulating varnishes 9, 16 are dripped by capillary action between the inner circumferential surfaces of the coil windings 2, 13 and the outer circumferential surfaces of Teflon jigs 7, 14. will be sufficiently penetrated and impregnated. In addition, since the jigs 7 and 14 are made of fluorine-based resin that has excellent peelability and sliding properties, the windings 2 and 13 are not damaged when being pulled out, and adhering varnish can be easily removed. It's easy.
また、第１図に示す実施例においては、金属製
チヤツク５の爪部６にその外周面を囲むようにテ
フロン製治具７が取着されているので、この爪部
６がコイルエンド等に接触して巻線表面に傷を付
けることもない。 Further, in the embodiment shown in FIG. 1, a Teflon jig 7 is attached to the claw portion 6 of the metal chuck 5 so as to surround the outer peripheral surface of the claw portion 6, so that the claw portion 6 is attached to the coil end, etc. There is no chance of contact and damaging the winding surface.
さらに第２図に示す実施例においては、テフロ
ン製治具１４がシヤフト１１の外側を覆うように
取着されているので、滴下絶縁ワニス１６による
シヤフト１１の汚れを防止することができるとい
う利点がある。 Furthermore, in the embodiment shown in FIG. 2, since the Teflon jig 14 is attached to cover the outside of the shaft 11, there is an advantage that the shaft 11 can be prevented from being contaminated by the dripping insulating varnish 16. be.
［発明の効果］
以上説明したように本発明によれば、電気機器
コイルの巻線部全体に十分に絶縁ワニスを浸透含
浸させることができ、滴下含浸方法による絶縁処
理の信頼性を一段と向上させることができる。[Effects of the Invention] As explained above, according to the present invention, the entire winding portion of an electrical equipment coil can be sufficiently penetrated and impregnated with insulating varnish, further improving the reliability of insulation treatment by the drip impregnation method. be able to.
第１図は本発明の一実施例の縦断面図、第２図
は別の実施例の縦断面図である。
１……ステーターコイル、３……リード線、５
……金属製チヤツク、７，１４……テフロン製治
具、８，１５……滴下ノズル、１０……ローター
コイル、１１……シヤフト。
FIG. 1 is a longitudinal cross-sectional view of one embodiment of the present invention, and FIG. 2 is a longitudinal cross-sectional view of another embodiment. 1...Stator coil, 3...Lead wire, 5
... Metal chuck, 7, 14 ... Teflon jig, 8, 15 ... Dripping nozzle, 10 ... Rotor coil, 11 ... Shaft.
Claims (1)
回転させつつそのコイルエンドに絶縁ワニスを滴
下して巻線間に前記絶縁ワニスを浸透含浸させる
にあたり、前記円筒状巻線部の内面にフツ素系樹
脂からなる有低円筒状部材を、その外周面を内接
させて嵌挿させることを特徴とする電気機器コイ
ルの絶縁ワニス滴下含浸方法。1. While rotating the cylindrical winding part of a preheated electrical equipment coil, an insulating varnish is dripped onto the coil end so that the insulating varnish penetrates and impregnates between the windings. 1. A method for dripping and impregnating an electrical equipment coil with an insulating varnish, which comprises inserting a low cylindrical member made of base resin with its outer peripheral surface inscribed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20719083A JPS6098852A (en) | 1983-11-04 | 1983-11-04 | Dropping and impregnating method of insulating varnish of coil for electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20719083A JPS6098852A (en) | 1983-11-04 | 1983-11-04 | Dropping and impregnating method of insulating varnish of coil for electric apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6098852A JPS6098852A (en) | 1985-06-01 |
| JPH0520984B2 true JPH0520984B2 (en) | 1993-03-23 |
Family
ID=16535736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20719083A Granted JPS6098852A (en) | 1983-11-04 | 1983-11-04 | Dropping and impregnating method of insulating varnish of coil for electric apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098852A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015076984A (en) * | 2013-10-09 | 2015-04-20 | 日産自動車株式会社 | Varnish infiltration apparatus for stator coil |
| JP2015076967A (en) * | 2013-10-08 | 2015-04-20 | 日産自動車株式会社 | Varnish impregnation device of stator coil |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1619777B1 (en) | 2003-04-28 | 2017-03-15 | Mitsubishi Denki Kabushiki Kaisha | Process for producing stator of dynamo-electric machine |
| CN103701279B (en) * | 2014-01-03 | 2016-08-17 | 株洲湘火炬火花塞有限责任公司 | A kind of generator stator of vehicle winding dripping impregnating varnish method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338707Y2 (en) * | 1981-01-21 | 1988-10-12 |
-
1983
- 1983-11-04 JP JP20719083A patent/JPS6098852A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015076967A (en) * | 2013-10-08 | 2015-04-20 | 日産自動車株式会社 | Varnish impregnation device of stator coil |
| JP2015076984A (en) * | 2013-10-09 | 2015-04-20 | 日産自動車株式会社 | Varnish infiltration apparatus for stator coil |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6098852A (en) | 1985-06-01 |
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