JPS5915267B2 - Manufacturing method of cylindrical commutator for coreless motor - Google Patents
Manufacturing method of cylindrical commutator for coreless motorInfo
- Publication number
- JPS5915267B2 JPS5915267B2 JP11163778A JP11163778A JPS5915267B2 JP S5915267 B2 JPS5915267 B2 JP S5915267B2 JP 11163778 A JP11163778 A JP 11163778A JP 11163778 A JP11163778 A JP 11163778A JP S5915267 B2 JPS5915267 B2 JP S5915267B2
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- cylindrical
- manufacturing
- coreless motor
- segment
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000002184 metal Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Dc Machiner (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
【発明の詳細な説明】 本発明はコアレスモータの円筒整流子に関する。[Detailed description of the invention] The present invention relates to a cylindrical commutator for a coreless motor.
一般に、円筒状に巻かれたコイルを永久磁石の周すで回
転させるコアレスモータのロータは、第１図に示すよう
に、軸１の上部に、円筒状の整流子２を有する合成樹脂
からなる円板状の整流子板３を固着し、この整流子板３
の周縁に円筒状コイル４を取付けると共に、円筒状コイ
ル４の引出線４１ を整流子板３に穿設された孔５を通
し、上記整流子２を形成する整流子セグメント２１の端
子部２□に溶接または半田付等により接続して構成して
いた。Generally, the rotor of a coreless motor, which rotates a cylindrically wound coil around a permanent magnet, is made of synthetic resin and has a cylindrical commutator 2 on the top of a shaft 1, as shown in Fig. 1. A disc-shaped commutator plate 3 is fixed, and this commutator plate 3
The cylindrical coil 4 is attached to the periphery of the cylindrical coil 4, and the lead wire 41 of the cylindrical coil 4 is passed through the hole 5 drilled in the commutator plate 3 to connect the terminal portion 2□ of the commutator segment 21 forming the commutator 2. It was constructed by connecting the parts by welding or soldering.
しかるに、従来この種のコアレスモータのロータを構成
する円筒状の整流子２は第２図イ５口に示すように、端
子部２□を有する複写側のＬ字状の整流子セグメント２
、からなり、まず整流子板３の中央部から複数個のセグ
メント２１ が突出するように、その端子部２２を整流
子板３に埋設して固定した後、第３図イ９口およびハに
示すように、整流子板３の上面に突設されたそれぞれの
セグメント２１の外周面を軸１を中心に弧状に切削し、
全体としてほぼ円筒状をなすように形成していた（ハ図
参照）。However, the cylindrical commutator 2 constituting the rotor of this type of coreless motor conventionally has an L-shaped commutator segment 2 on the copying side having a terminal portion 2 □, as shown in Figure 2 A5.
, and after first embedding and fixing the terminal parts 22 in the commutator plate 3 so that a plurality of segments 21 protrude from the center of the commutator plate 3, As shown, the outer peripheral surface of each segment 21 protruding from the upper surface of the commutator plate 3 is cut into an arc shape around the axis 1,
The overall shape was almost cylindrical (see Figure C).
このため、軸１の中心ａに対しセグメント２１の偏肉、
変形を生じ易く、また、切ぐずがスリット溝６に入り短
絡の原因を生じ易く、さらに、切削による材料ロスが大
きい等の欠点を伴っていた。For this reason, uneven thickness of the segment 21 with respect to the center a of the shaft 1,
It is easy to deform, chips easily enter the slit groove 6 and cause a short circuit, and there are also disadvantages such as large material loss due to cutting.
本発明は上記の欠点を改善した円筒状の整流子を提供す
ることを目的とする。The object of the present invention is to provide a cylindrical commutator that improves the above-mentioned drawbacks.
以下、図面に沿って本発明の円筒整流子を説明する。Hereinafter, the cylindrical commutator of the present invention will be explained along with the drawings.
第４図イ９口および第５図は本発明の実施例を示す。FIG. 4A-9 and FIG. 5 show embodiments of the present invention.
本発明においては、整流子板３の中心に、回転用の軸１
と同軸状に配設されたスリット溝を形成するための放射
状の突出部ｒ１ を有する円柱状の芯金１を配置し、
該芯金１の周囲に、複数個の円柱状の整流子セグメント
２ａを等間隔に配設し、前記セグメント２ａの外部に断
面円弧状の圧接型８をそれぞれ当接し、ついで矢印方向
に、それぞれのセグメント２ａを押圧して圧接型８の円
弧状の内面でセグメント２ａを押しつぶし、第５図に示
すように、全体として円筒状をなす整流子２Ａを構成し
ている。In the present invention, a rotating shaft 1 is provided at the center of the commutator plate 3.
A cylindrical core metal 1 having a radial protrusion r1 for forming a slit groove coaxially arranged with the metal core 1 is disposed,
A plurality of cylindrical commutator segments 2a are arranged at equal intervals around the core metal 1, and pressure welding dies 8 each having an arcuate cross section are brought into contact with the outside of the segments 2a. The segment 2a is pressed and crushed by the arcuate inner surface of the press mold 8, thereby forming a commutator 2A having an overall cylindrical shape as shown in FIG.
叙述のように本発明は複数個の柱状の整流子セグメント
を芯金を介して圧接型により押圧して円筒状に構成して
いるため、軸中心に対する偏心が小さくなり、夫々のセ
グメントの肉厚が一定になると共に、切ぐずがスリット
溝に入ることはなく、材料ロスも皆無となる等の実用的
効果を有する。As described above, in the present invention, a plurality of columnar commutator segments are pressed with a pressure welding die through a core metal to form a cylindrical shape, so eccentricity with respect to the shaft center is reduced, and the wall thickness of each segment is reduced. It has practical effects such as being constant, no chips entering the slit groove, and no material loss.
第１図Ｕ一般に用いられるコアレスモーフのロータの斜
視図、第２図イ９口および第３図イ〜ハは従来の円筒整
流子の製造工程説明図でイは平面図、口は縦断面図、ハ
は切削後のセグメント形状の平面図、第４図イ２口およ
び第５図は本発明の円筒整流子の製造工程説明図を示し
、イは平面図、口は縦断面図、第５図は円筒整流子であ
る。
１・・・軸、ス、２Ａ・・・整流子、２．．２ａ・・・
整流子セグメント、２２・・・端子部、３・・・整流子
板、４・・・円筒状コイル、４□・・・引出線、５・・
・孔、６・・・スリット溝、Ｉ・・・芯金、７□・・・
突出部、８・・・圧接型。Fig. 1 U is a perspective view of a generally used coreless morph rotor, Fig. 2 A is a 9-port view, and Fig. 3 A to C are explanatory diagrams of the manufacturing process of a conventional cylindrical commutator, where A is a plan view and the opening is a vertical sectional view. , C is a plan view of the segment shape after cutting, FIG. The figure shows a cylindrical commutator. 1... shaft, 2A... commutator, 2. ．． 2a...
Commutator segment, 22...Terminal section, 3...Commutator plate, 4...Cylindrical coil, 4□...Leader wire, 5...
・Hole, 6...Slit groove, I...Core metal, 7□...
Projection part, 8... pressure contact type.
Claims (1)
射状の突出部を有する円柱状の芯金を配置し、該芯金の
周囲に複数個の円柱状の整流子セグメントを配設し、該
整流子セグメントの外方に断面円弧状の圧接型を当接し
、かつ該圧接型を押圧しその内面により前記整流子セグ
メントを円筒状に形成してなるコアレスモータの円筒整
流子の製造方法。1. A cylindrical core metal having a radial protrusion for forming a slit groove is arranged at the center of the commutator plate, and a plurality of cylindrical commutator segments are arranged around the core metal, A method for manufacturing a cylindrical commutator for a coreless motor, which comprises: abutting a pressure mold with an arcuate cross section on the outside of the commutator segment; and pressing the pressure mold to form the commutator segment into a cylindrical shape with its inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11163778A JPS5915267B2 (en) | 1978-09-13 | 1978-09-13 | Manufacturing method of cylindrical commutator for coreless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11163778A JPS5915267B2 (en) | 1978-09-13 | 1978-09-13 | Manufacturing method of cylindrical commutator for coreless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5541106A JPS5541106A (en) | 1980-03-22 |
| JPS5915267B2 true JPS5915267B2 (en) | 1984-04-09 |
Family
ID=14566350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11163778A Expired JPS5915267B2 (en) | 1978-09-13 | 1978-09-13 | Manufacturing method of cylindrical commutator for coreless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5915267B2 (en) |
-
1978
- 1978-09-13 JP JP11163778A patent/JPS5915267B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5541106A (en) | 1980-03-22 |
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