JPH0446066B2 - - Google Patents
Info
- Publication number
- JPH0446066B2 JPH0446066B2 JP61248563A JP24856386A JPH0446066B2 JP H0446066 B2 JPH0446066 B2 JP H0446066B2 JP 61248563 A JP61248563 A JP 61248563A JP 24856386 A JP24856386 A JP 24856386A JP H0446066 B2 JPH0446066 B2 JP H0446066B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- groove
- auxiliary material
- layer coil
- width
- 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
- 239000000463 material Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
Description
【発明の詳細な説明】
（技術分野）
本発明は無鉄芯電機子の製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a method of manufacturing a ironless core armature.
（背景技術）
筒形の形状をなす可動線輪形のコアレスモータ
の無鉄芯電機子（以下単に電機子という）はコイ
ルをエポキシの樹脂で固めた構造のもので、第３
図イ，ロおよび第４図イ，ロは電機子の一例を示
したもので、第３図イおよび第４図イはそれぞれ
電機子の概略斜視図、第３図ロおよび第４図ロは
それぞれ各図イのコイル素線の端面の一部を示す
展開図である。第３図イおよびロにおいて、電機
子１は内蔵コイル２と外層コイル３とからなり、
内層コイル２と外層コイル３のコイル端末Ａおよ
びＢではそれぞれ電機子の構成に従つてコイル素
線相互間が接続されている。例えば、第３図ロに
示すようにコイル端末Ａでは、内層コイル２と外
層コイル３とのコイル系線＃１と＃１′、＃２と
＃２′…が相互に接続され、コイル端末Ｂでは内
層コイル２と外層コイル３とのコイル素線＃１と
＃２′、＃２と＃３′…が相互に接続されて電機子
が構成される。(Background technology) The iron-core armature (hereinafter simply referred to as armature) of a coreless motor with a movable wire ring having a cylindrical shape has a structure in which a coil is hardened with epoxy resin.
Figures A and B and Figures 4A and 4B show an example of the armature. Figures 3A and 4B are schematic perspective views of the armature, and Figures 3B and 4B are schematic perspective views of the armature. FIG. 3 is a developed view showing a part of the end face of the coil wire in each figure A. FIG. In FIGS. 3A and 3B, the armature 1 consists of a built-in coil 2 and an outer coil 3,
At the coil terminals A and B of the inner layer coil 2 and the outer layer coil 3, the coil wires are connected to each other according to the configuration of the armature. For example, as shown in FIG. 3B, at coil terminal A, coil system lines #1 and #1', #2 and #2', etc. of inner layer coil 2 and outer layer coil 3 are connected to each other, and coil terminal B Then, the coil wires #1 and #2', #2 and #3', etc. of the inner layer coil 2 and the outer layer coil 3 are connected to each other to form an armature.
また、第４図イおよびロも同様に、内層コイル
２′と外層コイル３′とで電機子１′を構成し、コ
イル端末A′では内層コイル２′と外層コイル３′
とのコイル素線＃１と＃１′、＃２と＃２′…が相
互に接続され、コイル端末B′では内層コイル
２′と外層コイル３′とのコイル素線＃６と＃７′、
＃５と＃６′…が相互に接続されて電機子が構成
される。 Similarly, in FIGS. 4A and 4B, the armature 1' is composed of the inner layer coil 2' and the outer layer coil 3', and at the coil terminal A', the inner layer coil 2' and the outer layer coil 3'
Coil wires #1 and #1', #2 and #2', etc. are connected to each other, and coil wires #6 and #7' of inner layer coil 2' and outer layer coil 3' are connected to each other at coil terminal B'. ,
#5 and #6' are connected to each other to form an armature.
従来の電機子は、コイル素線の端末接続におい
て次に述べるような問題があつた。 Conventional armatures have had the following problems in terminal connection of coil wires.
第３図ロおよび第４図ロのそれぞれのコイル素
線＃１と＃１′との接続において、コイル素線
＃１と＃１′との両端面に補助材４を乗せてレー
ザにより熔接するか、あるいは両端面に連接して
溝を形成し、溝を補助材４を埋め込んでレーザに
より熔接するなどの方法がとられていた。しか
し、熔接に際して絶縁皮膜に影響を与えないため
にレーザの照射位置を高精度に管理する必要があ
り、作業性の低下を招く欠点があつた。また、信
頼性の確保が困難であつた。 In connecting the coil wires #1 and #1' in Figure 3B and Figure 4B, auxiliary material 4 is placed on both end surfaces of the coil wires #1 and #1' and welded using a laser. Alternatively, a method has been used in which grooves are formed in connection with both end faces, auxiliary material 4 is embedded in the grooves, and the grooves are welded using a laser. However, it is necessary to control the laser irradiation position with high precision in order to avoid affecting the insulating film during welding, which has the disadvantage of reducing workability. Additionally, it was difficult to ensure reliability.
（発明の目的）
本発明は上記の欠点を改善するために提案され
たもので、内層コイルと外層コイルの端面に溝を
設け、この溝に導電性の補助材を挿入し、これを
夫々のコイルの端面に固定することにより、製造
工程の単純化及びコイル端面の電気的接続の信頼
性の向上をはかることを目的とする。(Object of the invention) The present invention was proposed in order to improve the above-mentioned drawbacks. Grooves are provided on the end faces of the inner layer coil and the outer layer coil, conductive auxiliary materials are inserted into the grooves, and conductive auxiliary materials are inserted into the grooves. By fixing it to the end face of the coil, the purpose is to simplify the manufacturing process and improve the reliability of the electrical connection of the end face of the coil.
（発明の開示）
上記の目的を達成するため、本発明は内層コイ
ルと外層コイルとを配設し、前記内層コイルと外
層コイルを構成するコイル素線の端面を互いに接
合する無鉄芯電機子の製造方法において、前記内
層コイルと外層コイルの端面に、先端に突出部を
有するポンチを打ち込んで、後工程で挿入する導
電性の補助材が納まる深さを有する溝を、両コイ
ルの端面にまたがつて設ける工程と、ついで前記
の溝に導電性の補助材を挿入する工程と、つぎに
前記の溝の幅よりも大きく、かつコイルの幅より
も小さい幅のポンチを用い、前記溝の幅を押し広
げるようにポンチを圧着し、前記補助材の上方に
内側に突出する突起部を形成するように、コイル
の端面と補助材とをカシメる工程と、次いで前記
溝の外側の凹み部に絶縁材を施す工程とを備える
ことを特徴とする無鉄芯電機子の製造方法を発明
の要旨とするものである。(Disclosure of the Invention) In order to achieve the above object, the present invention provides a non-ferrous core armature in which an inner layer coil and an outer layer coil are arranged, and end faces of coil wires constituting the inner layer coil and the outer layer coil are joined to each other. In the manufacturing method, a punch having a protrusion at the tip is driven into the end surfaces of the inner layer coil and the outer layer coil to form a groove having a depth in which a conductive auxiliary material to be inserted in a later step is accommodated in the end surfaces of both coils. Next, a step of inserting a conductive auxiliary material into the groove, and then using a punch with a width larger than the width of the groove and smaller than the width of the coil, A step of crimping the end face of the coil and the auxiliary material to form a protrusion projecting inwardly above the auxiliary material with a punch to expand the width, and then crimping the end face of the coil and the auxiliary material to form a concave portion outside the groove. The gist of the invention is a method of manufacturing a iron-free core armature, which is characterized by comprising the step of applying an insulating material to the core.
以下、本発明の実施例を図面に沿つて説明す
る。第２図は第３図イのコイル素線端面の拡大図
で、本発明は同図の内層コイル２と外層コイル３
とのコイル素線＃１と＃１′、＃２と＃２′…を接
合する無鉄芯電機子の製造方法に関するものであ
る。なお、第２図の４は導体、５は絶縁皮膜であ
る。第１図を用いてその製造方法を説明する。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 is an enlarged view of the end face of the coil wire in FIG.
The present invention relates to a method for manufacturing a iron-free core armature that joins coil wires #1 and #1', #2 and #2', and so on. In addition, 4 in FIG. 2 is a conductor, and 5 is an insulating film. The manufacturing method will be explained using FIG.
第１図のイないしトは本発明の製造方法を説明
する図で、同図イ，ロ，ニないしトは第２図のＡ
−Ａ断面図を示す図である。図の順に従つて製造
方法を説明する。図イはコイル素線＃１（コイル
素線＃１′はコイル素線＃１の背後に位置する。
図示せず）の加工前の断面である。また、絶縁被
膜は省略して図示してある。図イのコイル素線
＃１と＃１′の両端面に連接してＶポンチP1で溝
６を加工する。次に図ハに示す如く、溝６に導体
からなる補助材７を挿入する。図ハは溝６に補助
材７を挿入した状態を示し、溝６の深さは補助材
７の厚みＨに対し、２Ｈ〜３Ｈの深さとする。次
に、溝６の幅Ｗに対し、２Ｗ〜４Ｗの幅を有する
ポンチP2を用いて、コイル素線＃１と＃１′の両
面上部から圧着する。この加工は、補助材７の圧
入と溝６のエツジ８のカシメを同時に行う工程で
ある。つまり、図ホ及びヘに示す如くエツジ８は
ポンチP2により変形され、変形された溝６′に突
起部９が形成され補助材７を包む込むようにカシ
メられる。この加工によりコイル素線＃１と
＃１′とは導電的に接合させる。次に、図トにお
いて、コイル素線＃１と＃１′とに連接された溝
６に補助材７が圧入され、補助材７はさらに突起
部９により包み込まれるようにカシメられたコイ
ル素線＃１と＃１′との端面に絶縁材１０を塗布
し硬化させる。絶縁材１０は突起部９の内側に入
り込むように行う。これにより、コイル素線＃１
と＃１′とのそれぞれと絶縁材１０との接合強度
が増加する。 A to D in FIG. 1 are diagrams for explaining the manufacturing method of the present invention, and A, B, D to D in the same figure are A to A in FIG.
It is a figure showing a -A sectional view. The manufacturing method will be explained in accordance with the order of the figures. Figure A shows coil wire #1 (coil wire #1' is located behind coil wire #1.
(not shown) before processing. Further, the insulating coating is omitted from illustration. Form grooves 6 with a V-punch P1 in connection with both end faces of the coil wires #1 and #1' in Figure A. Next, as shown in Figure C, an auxiliary material 7 made of a conductor is inserted into the groove 6. Figure C shows a state in which the auxiliary material 7 is inserted into the groove 6, and the depth of the groove 6 is 2H to 3H with respect to the thickness H of the auxiliary material 7. Next, using a punch P2 having a width of 2W to 4W with respect to the width W of the groove 6, the coil wires #1 and #1' are crimped from above on both sides. This process is a step in which the auxiliary material 7 is press-fitted and the edge 8 of the groove 6 is caulked at the same time. That is, as shown in FIGS. E and F, the edge 8 is deformed by the punch P 2 , and the protrusion 9 is formed in the deformed groove 6' and is caulked so as to enclose the auxiliary material 7. Through this processing, the coil wires #1 and #1' are electrically connected to each other. Next, as shown in FIG. Insulating material 10 is applied to the end faces of #1 and #1' and cured. The insulating material 10 is inserted into the inside of the projection 9. As a result, coil wire #1
The bonding strength between #1' and #1' and the insulating material 10 increases.
以上述べた如く、接合すべきコイル素線の両方
に連接して溝を設け、この溝に導電性の補助材を
圧入するとともに、溝のエツジを変形させて補助
材をカシメ、さらにコイル素線の端面に絶縁材を
塗布してコイル素線を接合して無鉄芯電機子の製
造を完了する。 As described above, a groove is provided in connection with both of the coil wires to be joined, a conductive auxiliary material is press-fitted into this groove, the edges of the groove are deformed to caulk the auxiliary material, and then the coil wire is An insulating material is applied to the end face of the coil and the coil wires are joined to complete the production of the iron-free core armature.
（発明の効果）
叙上のように本発明によれば、内層コイルと外
層コイルの端面に、先端に突出部を有するポンチ
を打ち込んで、後工程で挿入する導電性の補助材
が納まる深さを有する溝を、両コイルの端面にま
たがつて設ける工程と、ついで前記の溝に導電性
の補助材を挿入する工程と、つぎに前記の溝の幅
よりも大きく、かつコイルの幅よりも小さい幅の
ポンチを用い、前記溝の幅を押し広げるようにポ
ンチを圧着し、前記補助材の上方に内側に突出す
る突起部を形成するように、コイルの端面と補助
材とをカシメる工程と、次いで前記溝の外側の凹
み部に絶縁材を施す工程とを備えることによつ
て、
(イ) 製造工程を単純化すると共に、工程の自動化
をはかることを容易にすることができる。(Effects of the Invention) As described above, according to the present invention, a punch having a protruding portion at the tip is driven into the end faces of the inner layer coil and the outer layer coil to determine the depth at which the conductive auxiliary material to be inserted in a later process is accommodated. a step of providing a groove across the end faces of both coils, a step of inserting a conductive auxiliary material into the groove, and a step of providing a groove having a width larger than the width of the groove and less than the width of the coil. A step of crimping the end face of the coil and the auxiliary material so as to form a protrusion projecting inwardly above the auxiliary material by using a small-width punch and crimping the punch so as to expand the width of the groove. By including the following steps: (1) Simplifying the manufacturing process and facilitating automation of the process.
(ロ) コイル端面相互の電気的接続の信頼性を向上
することができる。(b) The reliability of the electrical connection between the end faces of the coil can be improved.
(ハ) コイル端面をコーテイングする絶縁材とコイ
ル端面との接着性を高めることができる。(c) Adhesion between the coil end surface and the insulating material coating the coil end surface can be improved.
等の効果を有するものである。It has the following effects.
第１図イないしトは本発明の一実施例を説明す
る図、第２図はコイル素線の端面を示す図、第３
図イ，ロおよび第４図イ，ロはそれぞれ従来の無
鉄芯電機子の一例を示す図である。
＃１，＃１′…コイル素線、６…溝、７…補助
材、８…溝のエツジ、９…突起部、１０…絶縁
材。
Figures 1A to 3D are diagrams illustrating an embodiment of the present invention, Figure 2 is a diagram showing the end face of a coil wire, and Figure 3 is a diagram illustrating an embodiment of the present invention.
Figures A and B and Figures A and B respectively show an example of a conventional iron-core armature. #1, #1'... Coil wire, 6... Groove, 7... Auxiliary material, 8... Groove edge, 9... Projection, 10... Insulating material.
Claims (1)
層コイルと外層コイルを構成するコイル素線の端
面を互いに接合する無鉄芯電機子の製造方法にお
いて、前記内層コイルと外層コイルの端面に、先
端に突出部を有するポンチを打ち込んで、後工程
で挿入する導電性の補助材が納まる深さを有する
溝を、両コイルの端面にまたがつて設ける工程
と、ついで前記の溝に導電性の補助材を挿入する
工程と、つぎに前記の溝の幅よりも大きく、かつ
コイルの幅よりも小さい幅のポンチを用い、前記
溝の幅を押し広げるようにポンチを圧着し、前記
補助材の上方に内側に突出する突起部を形成する
ように、コイルの端面と補助材とをカシメる工程
と、次いで前記溝の外側の凹み部に絶縁材を施す
工程とを備えることを特徴とする無鉄芯電機子の
製造方法。1. A method for manufacturing a ironless core armature in which an inner layer coil and an outer layer coil are arranged, and end surfaces of coil wires constituting the inner layer coil and outer layer coil are joined to each other, wherein the end surfaces of the inner layer coil and the outer layer coil are bonded to each other. A step of driving a punch with a protrusion at the tip to form a groove across the end faces of both coils having a depth to accommodate a conductive auxiliary material to be inserted in a later step, and then inserting a conductive material into the groove. The step of inserting the auxiliary material, and then using a punch whose width is larger than the width of the groove and smaller than the width of the coil, crimping the punch so as to expand the width of the groove, and inserting the auxiliary material. A method comprising the steps of caulking the end face of the coil and the auxiliary material so as to form a protrusion projecting upwardly and inwardly, and then applying an insulating material to the recessed portion outside the groove. Method of manufacturing iron core armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61248563A JPS63103642A (en) | 1986-10-16 | 1986-10-16 | Manufacturing method of iron-free core armature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61248563A JPS63103642A (en) | 1986-10-16 | 1986-10-16 | Manufacturing method of iron-free core armature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103642A JPS63103642A (en) | 1988-05-09 |
| JPH0446066B2 true JPH0446066B2 (en) | 1992-07-28 |
Family
ID=17180007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61248563A Granted JPS63103642A (en) | 1986-10-16 | 1986-10-16 | Manufacturing method of iron-free core armature |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63103642A (en) |
-
1986
- 1986-10-16 JP JP61248563A patent/JPS63103642A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63103642A (en) | 1988-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |