JP3309243B2 - Method and apparatus for assembling stator core - Google Patents
Method and apparatus for assembling stator coreInfo
- Publication number
- JP3309243B2 JP3309243B2 JP03517096A JP3517096A JP3309243B2 JP 3309243 B2 JP3309243 B2 JP 3309243B2 JP 03517096 A JP03517096 A JP 03517096A JP 3517096 A JP3517096 A JP 3517096A JP 3309243 B2 JP3309243 B2 JP 3309243B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- concave groove
- divided
- jigs
- projection
- 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 - Fee Related
Links
Landscapes
- Automatic Assembly (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電動モータ等の回
転電機に用いられるステータコアの組立方法及びこの方
法の実施に用いられる組立装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for assembling a stator core used in a rotating electric machine such as an electric motor, and an assembling apparatus used for implementing the method.
【０００２】[0002]
【従来の技術】従来、特開昭61-124241号公報に見られ
るように、円弧状のヨーク部と、ヨーク部から径方向内
方にのびるポール部と、ポール部の径方向内端の歯部と
を有し、ヨーク部の周方向一端と他端とに夫々突起と凹
溝とを形成して成る分割コアの複数個を、隣接する一方
の分割コアの突起を他方の分割コアの凹溝に嵌合させる
ことにより、周方向に連結してステータコイルを組立て
るものは知られている。そして、このものでは、凹溝を
あり溝で形成し、あり形に形成した突起をステータコア
の軸方向から凹溝に圧入している。2. Description of the Related Art Conventionally, as disclosed in JP-A-61-124241, an arc-shaped yoke portion, a pole portion extending radially inward from the yoke portion, and a tooth at a radially inner end of the pole portion. And a plurality of divided cores each having a projection and a concave groove formed at one end and the other end in the circumferential direction of the yoke portion. It is known to assemble a stator coil by fitting in a groove to connect in a circumferential direction. In this case, the concave groove is formed as a dovetail groove, and the protrusion formed in the dovetail shape is pressed into the concave groove from the axial direction of the stator core.
【０００３】[0003]
【発明が解決しようとする課題】上記従来例のもので
は、分割コアの軸方向からの圧入作業を１個宛順に行う
必要があって、ステータコアの組立に手間がかかる不具
合がある。本発明は、以上の点に鑑み、ステータコアを
能率良く組立てられるようにした方法及びこの方法の実
施に用いられる組立装置を提供することを課題としてい
る。In the above-mentioned prior art, there is a problem that the press-fitting work of the split cores from the axial direction must be performed one by one in order, and the assembly of the stator core is troublesome. In view of the above, an object of the present invention is to provide a method for efficiently assembling a stator core and an assembling apparatus used for implementing the method.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決すべく、
本発明は、円弧状のヨーク部と、ヨーク部から径方向内
方にのびるポール部と、ポール部の径方向内端の歯部と
を有し、ヨーク部の周方向一端と他端とに夫々突起と凹
溝とを形成して成る分割コアの複数個を、隣接する一方
の分割コアの突起を他方の分割コアの凹溝に嵌合させる
ことにより、周方向に連結してステータコイルを組立て
る方法において、突起を凹溝に周方向から圧入可能と
し、複数の分割コアを、放射方向に移動可能な複数の治
具に個別に設置し、これを環状に配置した後、全ての治
具を互に同期して放射方向内方に移動させることで、複
数の分割コアを放射方向内方に同時に押し込み、各分割
コアの突起を隣接する分割コアの凹溝に周方向から圧入
する、ことを特徴とする。Means for Solving the Problems In order to solve the above problems,
The present invention includes an arc-shaped yoke portion, a pole portion extending radially inward from the yoke portion, and a tooth portion at a radially inner end of the pole portion. A plurality of divided cores each having a projection and a concave groove formed thereon are connected circumferentially by fitting the protrusion of one adjacent divided core into the concave groove of the other divided core to form a stator coil. In the assembling method, the protrusions can be press-fitted into the concave grooves from the circumferential direction, and the plurality of divided cores can be
Again and again placed separately, which after placement in an annular, all Osamu
By moving the tools radially inward in synchronization with each other,
The number of divided cores is simultaneously pushed inward in the radial direction, and the protrusion of each divided core is pressed into the groove of the adjacent divided core from the circumferential direction.
【０００５】また、上記方法を実施するための本発明の
装置は、基台と、基台の上方に設けた上下動自在な可動
盤とを備え、 基台上に、分割コアを保持可能な複数の
治具を放射状に、且つ、放射方向に移動自在に配置し、
可動盤に、該可動盤の下降に連動して前記複数の治具を
互に同期して放射方向内方に押し込むカムを垂設した、
ことを特徴とする。この場合、各治具に、分割コアを上
方から挿入セット自在な凹入部を形成すると共に、分割
コアの歯部を周方向に位置決めして係合可能な係合溝を
形成することが望ましい。Further, an apparatus of the present invention for carrying out the above method comprises a base, and a movable plate which is provided above the base and which can be moved up and down. The divided core can be held on the base. A plurality of jigs are arranged radially and movably in the radial direction,
On the movable plate, a cam that pushes the plurality of jigs inward in the radial direction in synchronization with each other in conjunction with the lowering of the movable plate is vertically provided,
It is characterized by the following. In this case, it is desirable to form in each jig a recessed portion into which the split core can be inserted and set from above, and to form an engaging groove which can position and engage the teeth of the split core in the circumferential direction.
【０００６】各治具に各分割コアをセットした状態で可
動盤を下降させると、カムにより複数の治具が互に同期
して放射方向内方に押動され、これら治具に保持される
複数の分割コアが周方向に接近し、各分割コアの突起が
隣接する各分割コアの凹溝に周方向から圧入される。か
くて、ステータコアを１回の作業で能率良く組立てるこ
とができ、生産性が大幅に向上する。When the movable platen is lowered with each split core set on each jig, a plurality of jigs are pushed inward by a cam in a radial direction in synchronization with each other and held by these jigs. The plurality of divided cores approach in the circumferential direction, and the protrusion of each divided core is pressed into the concave groove of each adjacent divided core from the circumferential direction. Thus, the stator core can be efficiently assembled in one operation, and productivity is greatly improved.
【０００７】また、上記の如く治具に係合溝を形成して
分割コアの歯部を位置決めすれば、各分割コアの歯部間
の周方向クリアランスを正確に管理でき、このクリアラ
ンスのばらつきに起因するコギングの発生を確実に防止
できる。Further, if the teeth of the divided cores are positioned by forming the engaging grooves in the jig as described above, the circumferential clearance between the teeth of the divided cores can be accurately controlled, and the variation in the clearance can be reduced. The occurrence of cogging can be reliably prevented.
【０００８】[0008]
【発明の実施の形態】図１を参照して、１はステータコ
アの構成単位となる分割コアを示し、帯状鋼板から打抜
いた打抜き片の多数枚を積層して構成されている。分割
コア１は、円弧状のヨーク部２と、ヨーク部２の中央か
ら径方向内方にのびるポール部３と、ポール部３の径方
向内端の歯部４とを備えている。ポール部３にはボビン
５ａを介してステータコイル５が巻回されるようになっ
ており、該コイル５の端面に沿うように、ヨーク部２の
径方向内側面はポール部３に直交する平坦面に形成され
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, reference numeral 1 denotes a split core as a structural unit of a stator core, which is formed by stacking a large number of punched pieces punched from a strip-shaped steel plate. The split core 1 includes an arc-shaped yoke portion 2, a pole portion 3 extending radially inward from the center of the yoke portion 2, and a tooth portion 4 at a radially inner end of the pole portion 3. A stator coil 5 is wound around the pole portion 3 via a bobbin 5a. A radially inner surface of the yoke portion 2 is flat along the end face of the coil 5 and is orthogonal to the pole portion 3. Formed on the surface.
【０００９】ヨーク部２の周方向一端と他端とには夫々
突起６と凹溝７とが形成されており、各分割コイル１の
突起６を周方向に隣接する各分割コイル１の凹溝７に周
方向から圧入可能としている。A protrusion 6 and a concave groove 7 are formed at one end and the other end in the circumferential direction of the yoke portion 2, respectively. The protrusion 6 of each divided coil 1 is formed with a concave groove of each divided coil 1 adjacent in the circumferential direction. 7 can be press-fitted from the circumferential direction.
【００１０】図１（Ｂ）（Ｃ）に明示されているよう
に、突起６と凹溝７との中間部には、ヨーク部２の各端
面の法線方向に一定幅で真直に延在するストレート部６
ａ，７ａが形成されており、突起６の先端部６ｂと凹溝
７の内底部７ｂとはストレート部６ａ，７ａの幅と同一
直径の半円状に形成されている。また、突起６と凹溝７
のヨーク部２の各端面寄りの部分には、ストレート部６
ａ，７ａに隣接する、ストレート部６ａ，７ａより幅狭
の縊れ部６ｃ，７ｃと、縊れ部６ｃ，７ｃからヨーク部
２の各端面に向って拡幅する拡幅部６ｄ，７ｄとが形成
されている。尚、縊れ部６ｃ，７ｃは、ストレート部６
ａ，７ａの側縁に、ストレート部６ａ，７ａの幅と同一
直径の円ａの円弧を介して連続しており、円ａの直径と
縊れ部６ｃ，７ｃを通る円ａの弦の長さとの差分だけ縊
れ部６ｃ，７ｃの幅がストレート部６ａ，７ａの幅より
僅かに（例えば0.05mm程度）狭くなっている。As clearly shown in FIGS. 1B and 1C, an intermediate portion between the projection 6 and the concave groove 7 extends straight at a constant width in a direction normal to each end face of the yoke portion 2. Straight part 6
a, 7a are formed, and the tip 6b of the protrusion 6 and the inner bottom 7b of the concave groove 7 are formed in a semicircular shape having the same diameter as the width of the straight portions 6a, 7a. Also, the protrusion 6 and the concave groove 7
A straight portion 6 is provided at a portion of each yoke portion 2 near each end face.
The narrow portions 6c, 7c, which are narrower than the straight portions 6a, 7a, and the wide portions 6d, 7d which widen from the narrow portions 6c, 7c toward the respective end surfaces of the yoke portion 2 are formed adjacent to the straight portions 6a, 7a. Have been. Note that the hanging portions 6c and 7c are
a, 7a are continuous with the side edges of the circle a having the same diameter as the width of the straight portions 6a, 7a through an arc of the circle a, and have the diameter of the circle a and the length of the chord of the circle a passing through the constricted portions 6c, 7c. The width of the constricted portions 6c, 7c is slightly (for example, about 0.05 mm) smaller than the width of the straight portions 6a, 7a by the difference from the above.
【００１１】突起６の拡幅部６ｄと凹溝７の拡幅部７ｄ
とは合同であるが、突起６のストレート部６ａの幅と長
さは凹溝７のストレート部７ａの幅と長さより若干大き
くなっている。例えば、ヨーク部２の径方向外側面の半
径が79.5mm、ヨーク部２の各端面の幅Ｔが9.5mmである
場合、突起６のストレート部６ａの長さＬ１と幅を夫々
1.0mm，6.02mmに設定し、凹溝７のストレート部７ａの
長さＬ２と幅を夫々0.98mm，5.98mmに設定する。The widened portion 6d of the projection 6 and the widened portion 7d of the concave groove 7
However, the width and length of the straight portion 6a of the protrusion 6 are slightly larger than the width and length of the straight portion 7a of the concave groove 7. For example, when the radius of the radially outer surface of the yoke portion 2 is 79.5 mm and the width T of each end surface of the yoke portion 2 is 9.5 mm, the length L1 and the width of the straight portion 6a of the projection 6 are respectively set.
The length L2 and the width of the straight portion 7a of the concave groove 7 are set to 0.98 mm and 5.98 mm, respectively.
【００１２】また、ヨーク部２の径方向内側面が上記の
如く平坦面に形成されているため、ヨーク部２の端面か
らその法線方向に凹入する凹溝７は、次第に、ヨーク部
２の径方向内側面から離れ、ヨーク部２の径方向外側面
に近付く。その結果、凹溝７を、そのストレート部７ａ
の幅方向中心線ｂがヨーク部２の端面の幅方向中心を通
る法線ｃに合致するように形成すると、凹溝７の外径側
の溝壁２ａの曲げ剛性が内径側の溝壁２ｂの曲げ剛性よ
りも弱くなる。そこで、本実施形態では、凹溝７を、前
記中心線ｂが前記法線ｃに対し内径側に若干オフセット
されるように形成し、外径側溝壁２ａの曲げ剛性と内径
側溝壁２ｂの曲げ剛性とが等しくなるようにしている。
上記した寸法のヨーク部２の場合、前記法線ｃに対する
前記中心線ｂの内径側へのオフセット量を0.75mm程度に
設定すると、両溝壁２ａ，２ｂの曲げ剛性が等しくな
る。尚、当然のことではあるが、突起６もそのストレー
ト部６ａの中心線ｂがヨーク部２の端面の幅方向中心を
通る法線ｃに対し内径側にオフセットされるように形成
する。Further, since the radially inner surface of the yoke portion 2 is formed as a flat surface as described above, the concave groove 7 which is recessed in the normal direction from the end surface of the yoke portion 2 is gradually formed. From the radially inner surface of the yoke 2 and closer to the radially outer surface of the yoke portion 2. As a result, the groove 7 is inserted into the straight portion 7a.
Is formed so as to match the normal c passing through the center of the end face of the yoke portion 2 in the width direction, the bending rigidity of the groove wall 2a on the outer diameter side of the concave groove 7 becomes smaller than the groove wall 2b on the inner diameter side. Than the flexural rigidity of Therefore, in the present embodiment, the concave groove 7 is formed so that the center line b is slightly offset to the inner diameter side with respect to the normal line c, and the bending rigidity of the outer diameter side groove wall 2a and the bending of the inner diameter side groove wall 2b are changed. The rigidity is made equal.
In the case of the yoke portion 2 having the dimensions described above, when the offset amount of the center line b to the inner diameter side with respect to the normal line c is set to about 0.75 mm, the bending rigidity of both groove walls 2a and 2b becomes equal. As a matter of course, the projection 6 is also formed such that the center line b of the straight portion 6a is offset to the inner diameter side with respect to the normal line c passing through the center in the width direction of the end surface of the yoke portion 2.
【００１３】以上の構成によれば、分割コア１の突起６
を周方向に隣接する分割コア１の凹溝７に前記法線方向
から圧入すると、凹溝７の外径側と内径側の溝壁２ａ，
２ｂの弾性域内での撓みにより、凹溝７の縊れ部７ｃが
突起６のストレート部６ａの通過を許容するように拡幅
され、突起６のストレート部６ａが凹溝７の縊れ部７ｃ
を通過したとき、凹溝７のストレート部７ａと縊れ部７
ｂとが突起６のストレート部６ａと縊れ部６ｂとに圧接
する。そして、ストレート部６ａ，７ａ同士の圧接によ
り、突起６と凹溝７との嵌合部を支点にした分割コア１
の傾動が防止されると共に、突起６のストレート部６ａ
の長さを凹溝７のストレート部７ａの長さより若干長く
してあるため、突起６の縊れ部６ｃと凹溝７の縊れ部７
ｃとの間の前記法線方向の締め代が確保され、その結
果、周方向に隣接する分割コア１，１間の周方向の遊び
が完全に除去される。また、凹溝７の外径側と内径側の
両溝壁２ａ，２ｂの曲げ剛性を等しくしているため、両
溝壁２ａ，２ｂが均等に撓み、突起６が凹溝７にその中
心線上で正しく嵌合する。かくて、周方向に隣接する分
割コア１，１を、前記法線に直交するヨーク部２，２の
端面同士を密に接触させた状態で、ガタや径方向の段差
を生ずることなく正確に連結できる。According to the above configuration, the projection 6 of the split core 1
Is pressed into the groove 7 of the divided core 1 adjacent in the circumferential direction from the normal direction, the groove walls 2a on the outer diameter side and the inner diameter side of the groove 7 are formed.
2b, the narrowed portion 7c of the groove 7 is widened so as to allow the straight portion 6a of the protrusion 6 to pass through, and the straight portion 6a of the protrusion 6 is narrowed by the narrowed portion 7c of the groove 7.
When passing through, the straight portion 7a of the groove 7 and the narrow portion 7
b presses against the straight portion 6a and the constricted portion 6b of the projection 6. Then, the split core 1 having the fitting portion between the protrusion 6 and the concave groove 7 as a fulcrum by pressing the straight portions 6a and 7a together.
Of the projection 6 and the straight portion 6a of the projection 6
Is slightly longer than the length of the straight portion 7a of the concave groove 7, the narrowed portion 6c of the projection 6 and the narrowed portion 7 of the concave groove 7 are formed.
c is secured in the normal direction, and as a result, circumferential play between the divided cores 1 and 1 adjacent in the circumferential direction is completely eliminated. In addition, since the outer wall and the inner wall 2a, 2b of the concave groove 7 have the same bending stiffness, the groove walls 2a, 2b are uniformly bent, and the protrusion 6 is formed on the concave groove 7 on the center line thereof. To fit correctly. Thus, in the state where the end faces of the yoke portions 2 and 2 perpendicular to the normal line are brought into close contact with each other, the divided cores 1 and 1 which are adjacent in the circumferential direction can be accurately formed without generating backlash or radial steps. Can be linked.
【００１４】ステータコアは、上記分割コイル１の複数
個を周方向に環状に連結して組立てられるもので、その
組立は図２及び図３に示す組立装置を用いて行われる。
組立装置は、基台１０と、基台１０の上方に設けた、ラ
ム等のプレス用駆動源で上下動される可動盤１１とを備
える、プレス装置と同様の装置で構成されている。The stator core is assembled by connecting a plurality of the split coils 1 in a ring shape in the circumferential direction, and the assembly is performed by using an assembling apparatus shown in FIGS.
The assembling apparatus is configured by a device similar to a press device, including a base 10 and a movable platen 11 provided above the base 10 and moved up and down by a press drive source such as a ram.
【００１５】基台１０の上面には、放射状に複数のガイ
ド穴１２ａを開設した支持板１２が取付けられており、
該支持板１２上に、分割コア１を保持可能な複数の治具
１３を放射状に配置し、各治具１３の下面に設けたガイ
ド突起１３ａを各ガイド穴１２ａに係合させると共に、
基台１０上に、治具１３の浮上りを防止する中央部の押
え板１４1と、外周部の環状の押え板１４2とを夫々支柱
１４ａ，１４ｂを介して取付け、各治具１３を各ガイド
穴１２ａに沿って放射方向に摺動自在に支持している。A support plate 12 having a plurality of guide holes 12a formed radially is attached to the upper surface of the base 10.
A plurality of jigs 13 capable of holding the divided cores 1 are radially arranged on the support plate 12, and guide projections 13a provided on the lower surface of each jig 13 are engaged with each guide hole 12a.
On the base 10, the presser plate 14 1 of the central portion for preventing the Ri floating of the jig 13, the outer peripheral portion of the annular holding plate 14 2 and the respective struts 14a, attached via 14b, and the jig 13 It is slidably supported in the radial direction along each guide hole 12a.
【００１６】各治具１３は、分割コア１を上方から挿入
セット自在な凹入部１３ｂを備えており、更に、凹入部
１３ｂの放射方向内方部分に、図４に示す如く、内端の
立上り部１３ｃとの間に間隔を存して１対の小突起１３
ｄ，１３ｄを突設し、これら立上り部１３ｃと小突起１
３ｄ，１３ｄとで歯部４を周方向に位置決めして係合可
能な係合溝１３ｅを構成している。Each jig 13 is provided with a recess 13b into which the split core 1 can be inserted and set from above, and a radially inward portion of the recess 13b has a rising end at the inner end as shown in FIG. A pair of small projections 13 with an interval
d, 13d, and the rising portion 13c and the small protrusion 1 are provided.
3d and 13d form an engaging groove 13e that can engage with the tooth portion 4 by positioning it in the circumferential direction.
【００１７】可動盤１１の下面には、各治具１３の放射
方向外端の傾斜面１３ｆに当接可能な下端の傾斜カム面
１５ａを有するカム１５が垂設されており、更に、全て
の分割コア１のヨーク部２に上方から当接してこれら分
割コア１の浮上りを防止する環状のパッド１６がばね１
６ａで下方に付勢して取付けられている。尚、本実施形
態では、カム１５を各治具１３毎に個別に設けている
が、全ての治具１３に共用される環状の単一のカムを設
けても良い。On the lower surface of the movable platen 11, a cam 15 having an inclined cam surface 15a at the lower end capable of contacting the inclined surface 13f at the outer end in the radial direction of each jig 13 is vertically provided. An annular pad 16 which comes into contact with the yoke portion 2 of the divided core 1 from above to prevent the divided core 1 from floating is provided with a spring 1
It is attached by being urged downward at 6a. In this embodiment, the cams 15 are individually provided for each jig 13, but a single annular cam shared by all the jigs 13 may be provided.
【００１８】ステータコアの組立に際しては、先ず、図
２の左半部に示されているように、可動盤１１を上方位
置に戻すと共に全ての治具１３を放射方向外方位置に戻
した状態で、各治具１３に各分割コア１をセットする。
この状態では、図３の左半部に示されているように、各
分割コア１の突起６の先端部６ｂが周方向に隣接する分
割コア１の凹溝７の拡幅部７ｂに入り込んだ状態で、複
数の分割コア１が環状に配置される。When assembling the stator core, first, as shown in the left half of FIG. 2, the movable platen 11 is returned to the upper position, and all the jigs 13 are returned to the radially outward position. Then, each divided core 1 is set on each jig 13.
In this state, as shown in the left half of FIG. 3, the tip 6b of the protrusion 6 of each split core 1 enters the widened portion 7b of the concave groove 7 of the adjacent split core 1 in the circumferential direction. Thus, the plurality of split cores 1 are arranged in an annular shape.
【００１９】次に、図２の右半部に示されているよう
に、可動盤１１を下降させるが、これによれば全ての治
具１３がカム１５に押されて互に同期して放射方向内方
に前進し、これら治具１３に保持される複数の分割コア
１が周方向に接近する。そして、各分割コア１の突起６
が周方向に隣接する各分割コア１の凹溝７に周方向、即
ち、ヨーク部２の端面の法線方向から圧入され、図３の
右半部に示されているように、複数の分割コア１が周方
向に連結される。Next, as shown in the right half of FIG. 2, the movable platen 11 is lowered. According to this, all the jigs 13 are pushed by the cams 15 and radiated synchronously with each other. The plurality of divided cores 1 held by these jigs 13 approach in the circumferential direction. And the projection 6 of each divided core 1
Are press-fitted in the circumferential direction, that is, the normal direction of the end face of the yoke portion 2 into the concave groove 7 of each divided core 1 adjacent in the circumferential direction, and as shown in the right half of FIG. The core 1 is connected in the circumferential direction.
【００２０】この状態では、突起６のストレート部６ａ
と縊れ部６ｃとに凹溝７のストレート部７ａと縊れ部７
ｃとが上記の如く充分な締め代を持って圧接して、分割
コア１同士がガタ無く連結されると共に、パッド１６に
よる分割コア１の浮上り防止で分割コア１間の平坦度も
確保され、更に、各分割コア１の歯部４が各治具１３の
係合溝１３ｅによって周方向に位置決めされているた
め、隣接する分割コア１，１の歯部４，４間のクリアラ
ンスが一定に揃えられ、かくて高品質のステータコアが
得られる。In this state, the straight portion 6a of the projection 6
The straight portion 7a of the concave groove 7 and the narrowed portion 7
c are pressed against each other with a sufficient interference as described above, and the divided cores 1 are connected to each other without play, and the flatness between the divided cores 1 is also secured by preventing the floating of the divided cores 1 by the pads 16. Further, since the teeth 4 of each divided core 1 are positioned in the circumferential direction by the engagement grooves 13e of each jig 13, the clearance between the teeth 4, 4 of the adjacent divided cores 1, 1 is constant. An aligned and thus high quality stator core is obtained.
【図１】 (A)本発明で組立てるステータコアの構成単
位となる分割コアの一例の平面図、(B)分割コアの突起
部分の拡大平面図、(C)分割コアの凹溝部分の拡大平面
図1A is a plan view of an example of a split core which is a constituent unit of a stator core assembled in the present invention, FIG. 1B is an enlarged plan view of a projection of the split core, and FIG. Figure
【図２】 本発明に係る組立装置の一例の縦断面図FIG. 2 is a longitudinal sectional view of an example of an assembling apparatus according to the present invention.
【図３】 図２のIII-III線截断平面図FIG. 3 is a plan view cut along the line III-III of FIG. 2;
【図４】 組立装置に設けられる治具の斜視図FIG. 4 is a perspective view of a jig provided in the assembling apparatus.
１ 分割コア ２ ヨーク部 ３ ポール部 ４ 歯部 ６ 突起 ７ 凹溝 １０ 基台 １１ 可動盤 １３ 治具 １３ｂ 凹入部 １３ｅ 係合溝 １５ カム DESCRIPTION OF SYMBOLS 1 Split core 2 Yoke part 3 Pole part 4 Teeth part 6 Projection 7 Concave groove 10 Base 11 Movable plate 13 Jig 13b Recessed part 13e Engagement groove 15 Cam
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 15/02 B23P 19/04 H02K 1/14 H02K 1/18 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) H02K 15/02 B23P 19/04 H02K 1/14 H02K 1/18
Claims (3)
向内方にのびるポール部と、ポール部の径方向内端の歯
部とを有し、ヨーク部の周方向一端と他端とに夫々突起
と凹溝とを形成して成る分割コアの複数個を、隣接する
一方の分割コアの突起を他方の分割コアの凹溝に嵌合さ
せることにより、周方向に連結してステータコイルを組
立てる方法において、 突起を凹溝に周方向から圧入可能とし、 複数の分割コアを、放射方向に移動可能な複数の治具に
個別に設置し、これを環状に配置した後、全ての治具を
互に同期して放射方向内方に移動させることで、複数の
分割コアを放射方向内方に同時に押し込み、各分割コア
の突起を隣接する分割コアの凹溝に周方向から圧入す
る、 ことを特徴とするステータコアの組立方法。1. A yoke portion having an arc shape, a pole portion extending radially inward from the yoke portion, and a tooth portion at a radially inner end of the pole portion. A plurality of divided cores each having a projection and a concave groove formed thereon are connected circumferentially by fitting the projection of one adjacent divided core into the concave groove of the other divided core. a method of assembling a, to allow press-fit from the circumferential projections in the concave groove, a plurality of divided cores, a plurality of jigs which can move in the radial direction
After installing them individually and arranging them in a ring, remove all the jigs
By moving inward in the radial direction in synchronization with each other, multiple
A method for assembling a stator core, comprising: simultaneously pushing radially inward of split cores, and press-fitting projections of each split core into concave grooves of adjacent split cores from a circumferential direction.
向内方にのびるポール部と、ポール部の径方向内端の歯
部とを有し、ヨーク部の周方向一端と他端とに夫々突起
と凹溝とを形成して成る分割コアの複数個を、隣接する
一方の分割コアの突起を他方の分割コアの凹溝に嵌合さ
せることにより、周方向に連結してステータコイルを組
立てる装置において、 基台と、基台の上方に設けた上下動自在な可動盤とを備
え、 基台上に、分割コアを保持可能な複数の治具を放射状
に、且つ、放射方向に移動自在に配置し、 可動盤に、該可動盤の下降に連動して前記複数の治具を
互に同期して放射方向内方に押し込むカムを垂設した、 ことを特徴とするステータコアの組立装置。2. A yoke portion having an arc shape, a pole portion extending radially inward from the yoke portion, and a tooth portion at a radially inner end of the pole portion. A plurality of divided cores each having a projection and a concave groove formed thereon are connected circumferentially by fitting the projection of one adjacent divided core into the concave groove of the other divided core. An apparatus for assembling, comprising: a base; and a movable plate vertically movable provided above the base. A plurality of jigs capable of holding divided cores are radially and radially provided on the base. Wherein the movable plate is provided with cams which push the plurality of jigs radially inward in synchronization with each other in conjunction with the lowering of the movable plate. apparatus.
ト自在な凹入部を形成すると共に、分割コアの歯部を周
方向に位置決めして係合可能な係合溝を形成することを
特徴とする請求項２に記載のステータコアの組立装置。3. Each of the jigs is formed with a recessed portion into which a split core can be inserted and set from above, and an engaging groove which can be engaged by positioning the teeth of the split core in a circumferential direction. The stator core assembling apparatus according to claim 2, wherein:
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03517096A JP3309243B2 (en) | 1996-02-22 | 1996-02-22 | Method and apparatus for assembling stator core |
| GB9702521A GB2310545B (en) | 1996-02-22 | 1997-02-07 | Stator core and method and apparatus for assembling same |
| US08/803,228 US5786651A (en) | 1996-02-22 | 1997-02-20 | Stator core having a plurality of connected circumferentially segmented cores and method and apparatus for assembling same |
| US09/078,683 US6219900B1 (en) | 1996-02-22 | 1998-05-14 | Method of assembling a stator core |
| US09/776,634 US6684489B2 (en) | 1996-02-22 | 2001-02-06 | Apparatus for assembling a stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03517096A JP3309243B2 (en) | 1996-02-22 | 1996-02-22 | Method and apparatus for assembling stator core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09233773A JPH09233773A (en) | 1997-09-05 |
| JP3309243B2 true JP3309243B2 (en) | 2002-07-29 |
Family
ID=12434395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03517096A Expired - Fee Related JP3309243B2 (en) | 1996-02-22 | 1996-02-22 | Method and apparatus for assembling stator core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3309243B2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312119A (en) * | 2004-04-19 | 2005-11-04 | Harmonic Drive Syst Ind Co Ltd | Split core motor stator and its assembling method |
| JP5101976B2 (en) * | 2007-10-05 | 2012-12-19 | 東洋電装株式会社 | Pinning device and pinning method |
| JP5098570B2 (en) * | 2007-10-25 | 2012-12-12 | トヨタ自動車株式会社 | Rotating electrical machine manufacturing method and rotating electrical machine |
| JP5177512B2 (en) | 2008-04-07 | 2013-04-03 | 株式会社デンソー | Assembly method of split core type stator of inner rotor type rotating electrical machine |
| JP5277860B2 (en) * | 2008-10-21 | 2013-08-28 | トヨタ自動車株式会社 | Stator core manufacturing method and stator core manufacturing apparatus |
| JP5446850B2 (en) * | 2009-12-25 | 2014-03-19 | トヨタ自動車株式会社 | Stator core manufacturing equipment |
| JP5562045B2 (en) * | 2010-01-07 | 2014-07-30 | 日特エンジニアリング株式会社 | Stator assembly method and assembly apparatus |
| CN102122868B (en) * | 2010-01-08 | 2016-06-29 | 思博莫顿股份公司 | Motor stator and manufacture method thereof |
| JP5467075B2 (en) * | 2011-07-01 | 2014-04-09 | ジヤトコ株式会社 | Method for manufacturing stator core of motor |
| JP7435159B2 (en) * | 2020-03-30 | 2024-02-21 | 株式会社アイシン | Laminated core separation device |
| CN114161120B (en) * | 2021-12-24 | 2024-04-02 | 成都华川电装有限责任公司 | Crimping frock of concatenation combination iron core |
-
1996
- 1996-02-22 JP JP03517096A patent/JP3309243B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09233773A (en) | 1997-09-05 |
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