JP2014236597A - Method of manufacturing split armature iron core, armature, and rotary electric machine using this armature - Google Patents

Method of manufacturing split armature iron core, armature, and rotary electric machine using this armature Download PDF

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JP2014236597A
JP2014236597A JP2013117010A JP2013117010A JP2014236597A JP 2014236597 A JP2014236597 A JP 2014236597A JP 2013117010 A JP2013117010 A JP 2013117010A JP 2013117010 A JP2013117010 A JP 2013117010A JP 2014236597 A JP2014236597 A JP 2014236597A
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core
steel plate
core piece
armature
row
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JP2014236597A5 (en
JP6091341B2 (en
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橋本 昭
Akira Hashimoto
昭 橋本
秋田 裕之
Hiroyuki Akita
裕之 秋田
宏紀 立木
Hiroki Tachiki
宏紀 立木
篤史 坂上
Atsushi Sakagami
篤史 坂上
真一郎 吉田
Shinichiro Yoshida
真一郎 吉田
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing device capable of fabricating split armature iron cores, which can increase the fabrication number of core pieces to achieve improvement in productivity, and can obtain a rotary electric machine whose torque pulsation is hard to occur.SOLUTION: A method of manufacturing a split armature iron core includes a press die 71 and split armature iron ores 4. The press die 71 includes: a core piece punching region on the steel plate carry-in port side in which back yoke formation parts are directed to the steel plate carry-in port 50a side and arranged side by side in the width direction of steel plate 15, and a plurality of core pieces 17 of one row 51 are punched; and a core piece punching region on the steel plate carry-out side in which the back yoke formation parts are directed to the steel plate carry-out port 50b side and arranged side by side in the width direction of the steel plate 15, and the plurality of core pieces 17 of the other row 52 are punched.

Description

本発明は、回転電機の電機子に用いられる電機子鉄心の製造装置に関し、特に電機子鉄心を形成する分割電機子鉄心の製造装置に関するものである。   The present invention relates to an armature core manufacturing apparatus used for an armature of a rotating electric machine, and more particularly to an apparatus for manufacturing a split armature core forming an armature core.

従来の材料歩留り向上を狙った、ヨーク部とヨーク部の内周部から固定子鉄心の径方向に伸びる磁極ティースを有する分割鉄心片を積層して形成される分割固定子鉄心の製造方法として、分割鉄心片の打抜き時に、二列の分割鉄心片が、一の列の互いに隣接する磁極ティースの間に他の列の分割鉄心片が向き合うように二列の分割鉄心片を配置して、すなわち二列の分割鉄心片を千鳥状に配置して電磁鋼板から打抜く製造方法がある(例えば、特許文献1参照)。   As a manufacturing method of a split stator core formed by stacking split core pieces having magnetic pole teeth extending in the radial direction of the stator core from the inner peripheral portion of the yoke portion and the yoke portion, aiming to improve the conventional material yield, When the split core pieces are punched, the two split core pieces are arranged so that the split core pieces in the other row face each other between the adjacent magnetic teeth in one row, that is, There is a manufacturing method in which two rows of divided core pieces are arranged in a staggered manner and punched out from an electromagnetic steel sheet (see, for example, Patent Document 1).

特開2009−254086号公報(第6−7頁、第2図)JP 2009-254086 A (page 6-7, FIG. 2)

特許文献1に記載の分割固定子鉄心の製造方法に用いられる装置は、一の列に並んだ分割鉄心片の配列方向と他の列の分割鉄心片の配列方向とを、プレス装置内での鋼板の送り方向にして打抜くものであり、プレス装置から同時に搬出される分割鉄心片の数は2個となり、分割鉄心の生産性が低いとの問題があった。
また、この製造方法で用いられている装置は、同時に作製される分割鉄心片の数が少ないので、多数個の分割鉄心片を必要とする回転電機の製造において、製造工程のネックになるとの問題があった。
The apparatus used for the manufacturing method of the split stator core described in Patent Document 1 includes the arrangement direction of the divided core pieces arranged in one row and the arrangement direction of the divided core pieces in the other row in the press device. The steel sheet is punched in the feeding direction of the steel sheet, and the number of the divided core pieces that are simultaneously carried out from the press device is two, and there is a problem that the productivity of the divided core is low.
In addition, since the apparatus used in this manufacturing method has a small number of divided core pieces to be manufactured at the same time, it becomes a bottleneck in the manufacturing process in the manufacture of rotating electrical machines that require a large number of divided core pieces. was there.

また、搬出される分割鉄心片の方向が、取出し口で異なるため、次の工程へ搬送する途中で方向を整える必要があり、取扱い性が損なわれるとの問題があった。
また、積層した分割鉄心片の連結を別の装置で行う必要があり、分割固定子鉄心の製造工程が多くなる問題があった。
また、打抜かれる分割鉄心片の磁極ティースの方向が、連続する電磁鋼板の送り方向と直角となっており、電磁鋼板の異方性の影響を受けやすく、この装置で作製された分割鉄心片でなる分割鉄心を用いた回転電機は、トルク脈動を発生しやすいとの問題があった。
Moreover, since the directions of the divided core pieces to be carried out are different at the take-out port, it is necessary to arrange the directions in the middle of carrying to the next process, and there is a problem that handling properties are impaired.
Moreover, it is necessary to connect the laminated | stacked division | segmentation core pieces with another apparatus, and there existed a problem which the manufacturing process of a division | segmentation stator core increased.
In addition, the direction of the magnetic teeth of the divided core pieces to be punched is perpendicular to the feeding direction of the continuous electrical steel sheets, and is easily affected by the anisotropy of the electrical steel sheets. However, the rotating electrical machine using the split iron core has a problem that it easily generates torque pulsation.

本発明は、上記のような問題を解決するためになされたものであり、その目的は、分割鉄心片(コア片)の作製数を多くでき且つ分割鉄心片の打抜きと積層固定とが同時にでき、分割電機子鉄心の生産性向上が図れるとともに、複数の分割電機子鉄心を整列させて搬出でき、後工程への投入が容易であり、さらに回転電機に用いた場合にトルク脈動の発生がしにくい分割電機子鉄心を作製できる製造装置を得ることである。
それと、この製造装置で得られた分割電機子鉄心を用いた電機子並びに回転電機を得ることである。
The present invention has been made in order to solve the above-described problems. The object of the present invention is to increase the number of divided core pieces (core pieces) to be manufactured and to simultaneously perform punching and stacking of the divided core pieces. In addition to improving the productivity of split armature cores, multiple split armature cores can be aligned and carried out, making it easy to put them into the subsequent process, and generating torque pulsation when used in rotating electrical machines. It is to obtain a manufacturing apparatus capable of producing a difficult split armature core.
And it is obtaining the armature and rotary electric machine which used the division | segmentation armature core obtained with this manufacturing apparatus.

本発明に係わる第1の分割電機子鉄心の製造装置は、コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部とバックヨーク部の中央から突出した磁極ティース部とを備えた略T字状である分割電機子鉄心を作製する分割電機子鉄心の製造装置であって、プレス金型と、鋼板を送る鋼板送り機構とを備えており、少なくとも、プレス金型が、バックヨーク形成部が鋼板搬入口側に向き鋼板の幅方向に並ぶ一方の列の複数のコア片を打抜く、鋼板搬入口側コア片打抜き領域と、バックヨーク形成部が鋼板搬出口側に向き鋼板の幅方向に並ぶ他方の列のコア片を打抜く、鋼板搬出口側コア片打抜き領域と、を備えているものである。   A first split armature core manufacturing apparatus according to the present invention includes a back yoke portion and a magnetic pole teeth portion protruding from the center of the back yoke portion, the core pieces being stacked and connected by caulking. A split armature core manufacturing apparatus for manufacturing a split armature core that is substantially T-shaped, comprising a press die and a steel plate feed mechanism for feeding a steel plate, at least the press die being a back yoke The forming part is oriented toward the steel sheet carry-in entrance side and punches a plurality of core pieces in one row aligned in the width direction of the steel sheet, the steel sheet carry-in entrance side core piece punching area, and the back yoke formation part faces the steel plate carry-out side. A steel plate unloading side core piece punching region for punching the core pieces of the other row arranged in the width direction.

本発明に係わる第2の分割電機子鉄心の製造装置は、コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部とバックヨーク部の中央から突出した磁極ティース部とを備えた略T字状である分割電機子鉄心を作製する分割電機子鉄心の製造装置であって、プレス金型と、鋼板を送る鋼板送り機構とを備えており、少なくとも、プレス金型が、バックヨーク形成部の一方の縁部が凹面であり他方の縁部が凸面である第1のコア片とバックヨーク形成部の一方の縁部が凸面であり他方の縁部が凹面である第2のコア片とを交互に打抜く、コア片打抜き領域を備えているものである。   A second split armature core manufacturing apparatus according to the present invention comprises a back yoke portion and a magnetic pole teeth portion protruding from the center of the back yoke portion, the core pieces being stacked and connected by caulking. A split armature core manufacturing apparatus for manufacturing a split armature core that is substantially T-shaped, comprising a press die and a steel plate feed mechanism for feeding a steel plate, at least the press die being a back yoke A first core piece in which one edge of the forming portion is concave and the other edge is convex, and a second core in which one edge of the back yoke forming portion is convex and the other edge is concave. A core piece punching area is provided in which the pieces are punched alternately.

本発明に係わる第3の分割電機子鉄心の製造装置は、コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部とバックヨーク部の中央から突出した磁極ティース部とを備えた略T字状である分割電機子鉄心を作製する分割電機子鉄心の製造装置であって、プレス金型と、鋼板を送る鋼板送り機構とを備えており、少なくとも、プレス金型が、バックヨーク形成部の一方の縁部が凹面であり他方の縁部が凸面でありバックヨーク形成部が鋼板搬入口側に向き鋼板の幅方向に並ぶ一方の列の複数の第1のコア片と、バックヨーク形成部の一方の縁部が凸面であり他方の縁部が凹面でありバックヨーク形成部が鋼板搬入口側に向き鋼板の幅方向に並ぶ一方の列の複数の第2のコア片とを交互に打抜く、鋼板搬入口側コア片打抜き領域と、バックヨーク形成部の一方の縁部が凹面であり他方の縁部が凸面でありバックヨーク形成部が鋼板搬出口側に向き鋼板の幅方向に並ぶ他方の列の複数の第1のコア片と、バックヨーク形成部の一方の縁部が凸面であり他方の縁部が凹面でありバックヨーク形成部が鋼板搬出口側に向き鋼板の幅方向に並ぶ他方の列の複数の第2のコア片とを交互に打抜く、鋼板搬出口側コア片打抜き領域と、を備えているものである。   A third split armature core manufacturing apparatus according to the present invention comprises a back yoke portion and a magnetic pole teeth portion protruding from the center of the back yoke portion, the core pieces being stacked and connected by caulking. A split armature core manufacturing apparatus for manufacturing a split armature core that is substantially T-shaped, comprising a press die and a steel plate feed mechanism for feeding a steel plate, at least the press die being a back yoke A plurality of first core pieces in one row arranged in the width direction of the steel sheet, wherein one edge of the forming part is concave and the other edge is convex and the back yoke forming part faces toward the steel plate carry-in side; One edge of the yoke forming portion is a convex surface, the other edge is a concave surface, and the back yoke forming portion faces the steel plate carry-in entrance side and is arranged in the width direction of the steel plate. Punching area for core strips on the steel sheet carry-in entrance side The plurality of first core pieces in the other row arranged in the width direction of the steel sheet, with one edge of the back yoke forming part being a concave surface and the other edge being a convex surface, the back yoke forming part facing the steel plate carry-out side And a plurality of second cores in the other row arranged in the width direction of the steel plate, with one edge of the back yoke forming portion being a convex surface and the other edge being a concave surface, the back yoke forming portion facing the steel plate exit side It comprises a steel plate carry-out port side core piece punching region in which pieces are punched alternately.

本発明に係わる第1から第3の分割電機子鉄心の製造装置は、上記のように構成されているため、分割電機子鉄心の生産性が優れているとともに、この分割電機子鉄心を用いた電機子及び回転電機の製造工程を効率化でき、回転電機の低コスト化を可能にする。それと、回転電機に用いた場合に、トルク脈動を低減できるので、回転電機の性能を向上できる。   Since the first to third split armature core manufacturing apparatuses according to the present invention are configured as described above, the productivity of the split armature core is excellent, and the split armature core is used. The manufacturing process of the armature and the rotating electric machine can be made efficient, and the cost of the rotating electric machine can be reduced. In addition, when used in a rotating electrical machine, torque pulsation can be reduced, so that the performance of the rotating electrical machine can be improved.

本発明の実施の形態1に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。It is a plane schematic diagram which shows arrangement | positioning of the core piece punched from a steel plate with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製される分割電機子鉄心の平面模式図である。It is a plane schematic diagram of the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態1に係わる分割電機子鉄心の製造装置を説明する平面模式図である。It is a plane schematic diagram explaining the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心にコイルを設ける状態を説明する平面模式図である。It is a plane schematic diagram explaining the state which provides a coil in the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心を用いた電機子の平面模式図である。It is a plane schematic diagram of the armature using the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心を用いた回転電機の平面模式図である。It is a plane schematic diagram of the rotary electric machine using the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 1 of this invention. 本発明の実施の形態2に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。It is a plane schematic diagram which shows arrangement | positioning of the core piece punched from a steel plate with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 2 of this invention. 本発明の実施の形態2に係わる分割電機子鉄心の製造装置で作製される分割電機子鉄心の平面模式図である。It is a plane schematic diagram of the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 2 of this invention. 本発明の実施の形態2に係わる分割電機子鉄心の製造装置を説明する平面模式図である。It is a plane schematic diagram explaining the manufacturing apparatus of the split armature core concerning Embodiment 2 of this invention. 本発明の実施の形態3に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。It is a plane schematic diagram which shows arrangement | positioning of the core piece punched from a steel plate with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 3 of this invention. 本発明の実施の形態3に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心の平面模式図である。It is a plane schematic diagram of the division | segmentation armature core produced with the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 3 of this invention. 本発明の実施の形態3に係わる分割電機子鉄心の製造装置の主要部を説明する平面模式図である。It is a plane schematic diagram explaining the principal part of the manufacturing apparatus of the division | segmentation armature core concerning Embodiment 3 of this invention.

実施の形態1.
図1は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。
図1に示すように、後述する本実施の形態の分割電機子鉄心の製造装置(製造装置と記す)100で鋼板15から打抜かれるコア片17は、バックヨーク形成部5aと、バックヨーク形成部5aの中央部から、バックヨーク形成部5aに対する直角方向に突出した磁極ティース形成部6aとを備えた略T字状である。
Embodiment 1 FIG.
FIG. 1 is a schematic plan view showing an arrangement of core pieces punched from a steel plate by the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
As shown in FIG. 1, a core piece 17 punched from a steel plate 15 by a split armature core manufacturing apparatus (referred to as a manufacturing apparatus) 100 of the present embodiment to be described later includes a back yoke forming portion 5a and a back yoke forming. It is substantially T-shaped with a magnetic teeth forming portion 6a protruding in a direction perpendicular to the back yoke forming portion 5a from the central portion of the portion 5a.

また、各コア片17は、バックヨーク形成部5aにおける電機子を形成した場合の周方向(周方向と記す)の両端部と、磁極ティース形成部6aにおける電機子を形成した場合の径方向(径方向と記す)の端部とに、後述するカシメ孔17bまたは抜きカシメ用凹凸部17cである、カシメ部17aを有する。
また、本実施の形態の製造装置100で、鋼板15から打抜かれる複数のコア片17の配置は、バックヨーク形成部5aが直線状に並ぶ二列となっている。
Further, each core piece 17 has both end portions in the circumferential direction (referred to as a circumferential direction) when the armature is formed in the back yoke forming portion 5a and the radial direction when the armature is formed in the magnetic pole tooth forming portion 6a ( A caulking portion 17a, which is a caulking hole 17b or an uneven caulking portion 17c to be described later, is provided at an end of the radial direction.
Further, in the manufacturing apparatus 100 of the present embodiment, the arrangement of the plurality of core pieces 17 punched from the steel plate 15 is two rows in which the back yoke forming portions 5a are arranged in a straight line.

そして、一方の列51のコア片17における磁極ティース形成部6aの先端が、他方の列52のコア片17におけるバックヨーク形成部5aの内側と対向しており、他方の列52のコア片17における磁極ティース形成部6aの先端が、一方の列51のコア片17におけるバックヨーク形成部5aの内側と対向している。
すなわち、一方の列51のコア片17と他方の列52のコア片17とが千鳥状に配置される。
The tip of the magnetic pole tooth forming portion 6 a in the core piece 17 in one row 51 faces the inside of the back yoke forming portion 5 a in the core piece 17 in the other row 52, and the core piece 17 in the other row 52. The tip of the magnetic pole tooth forming portion 6a of the core piece 17 is opposed to the inside of the back yoke forming portion 5a of the core piece 17 of one row 51.
That is, the core pieces 17 in one row 51 and the core pieces 17 in the other row 52 are arranged in a staggered manner.

また、隣接するコア片17は、バックヨーク形成部5a間に所定の隙間15bが生じるように配置される。
図1に示すように、本実施の形態では、バックヨーク形成部5aを直線状に配置して一列に並ぶ、一方の列51のコア片17及び他方の列52のコア片17は、各々3個である。
Adjacent core pieces 17 are arranged such that a predetermined gap 15b is generated between the back yoke forming portions 5a.
As shown in FIG. 1, in the present embodiment, the core pieces 17 in one row 51 and the core pieces 17 in the other row 52 that are arranged in a row with the back yoke forming portions 5 a arranged in a straight line are each 3 It is a piece.

図2は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製される分割電機子鉄心の平面模式図である。
図2に示すように、本実施の形態の分割電機子鉄心4は、コア片17を積層し、積層されたコア片のカシメ部17aを抜きカシメで連結することにより作製される。
分割電機子鉄心4の平面形状は、コア片17と同じであり、バックヨーク部5と、バックヨーク部5の中央から突出した磁極ティース部6とを備えた略T字状であり、コア片17のカシメ部17aの位置に抜きカシメ部4aが形成されている。
図2に示すように、本実施の形態の製造装置100から搬出される、バックヨーク部5を直線上に配置して並んだ一群の分割電機子鉄心4は、3個である。
FIG. 2 is a schematic plan view of a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
As shown in FIG. 2, the split armature core 4 according to the present embodiment is manufactured by stacking core pieces 17 and connecting the caulking portions 17 a of the stacked core pieces by caulking.
The planar shape of the split armature core 4 is the same as that of the core piece 17 and is substantially T-shaped with the back yoke portion 5 and the magnetic pole teeth portion 6 protruding from the center of the back yoke portion 5. A punching portion 4a is formed at the position of 17 crimping portions 17a.
As shown in FIG. 2, the group of divided armature cores 4 that are carried out of the manufacturing apparatus 100 of the present embodiment and arranged with the back yoke portions 5 arranged in a straight line are three.

次に、本発明の実施の形態1に係わる分割電機子鉄心の製造装置を詳細に説明する。
図3は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置を説明する平面模式図である。
図3に示すように、本実施の形態の分割電機子鉄心の製造装置100は、プレス金型71と、鋼板15を所定ピッチで間欠送りする鋼板送り機構(図示せず)と、作製された分割電機子鉄心4を搬出する2台の電動コンベア53a,53bとを備えている。
Next, the split armature core manufacturing apparatus according to Embodiment 1 of the present invention will be described in detail.
FIG. 3 is a schematic plan view illustrating the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
As shown in FIG. 3, the split armature core manufacturing apparatus 100 of the present embodiment is manufactured with a press die 71 and a steel plate feed mechanism (not shown) that intermittently feeds the steel plate 15 at a predetermined pitch. Two electric conveyors 53a and 53b for carrying out the split armature core 4 are provided.

プレス金型71には、プレス金型71の鋼板搬入口50aに隣接して、矢印Vで示した鋼板15の送り方向と、直交する方向である鋼板15の幅方向の両端部に、プレス金型71内での鋼板15の位置を決めるパイロット孔15aを打抜くパイロット孔形成領域Aが設けられている。
また、鋼板送り方向でパイロット孔形成領域Aに隣接して、鋼板15を安定させるための何も加工を施さない無加工領域Bが設けられている。
The press die 71 is adjacent to the steel plate carry-in port 50a of the press die 71 at both ends in the width direction of the steel plate 15 that is orthogonal to the feeding direction of the steel plate 15 indicated by the arrow V. A pilot hole forming area A for punching a pilot hole 15a for determining the position of the steel plate 15 in the mold 71 is provided.
Further, an unprocessed region B where no processing is performed for stabilizing the steel plate 15 is provided adjacent to the pilot hole forming region A in the steel plate feeding direction.

また、鋼板送り方向で無加工領域Bに隣接して、コア片17のカシメ部形成位置にカシメ孔17bを打抜くカシメ孔形成領域Cが設けられている。
また、鋼板送り方向でカシメ孔形成領域Cに隣接して、バックヨーク形成部5aが、鋼板搬入口50a側に向くとともに鋼板搬入口50a側に配置され且つ鋼板15の幅方向に並ぶ、一方の列51のコア片17となる部位のカシメ部形成位置に、抜きカシメ用凹凸部17cを形成する第1の抜きカシメ用凹凸部形成領域Dが設けられている。
Further, a caulking hole forming region C for punching the caulking hole 17b is provided at a caulking portion forming position of the core piece 17 adjacent to the non-processed region B in the steel sheet feeding direction.
Further, adjacent to the caulking hole forming region C in the steel plate feeding direction, the back yoke forming portion 5a faces the steel plate carry-in port 50a side and is arranged on the steel plate carry-in port 50a side and arranged in the width direction of the steel plate 15. A first caulking concave / convex portion forming region D for forming the caulking concave / convex portion 17c is provided at a position where the caulking portion is formed in the portion of the row 51 that becomes the core piece 17.

また、鋼板送り方向で第1の抜きカシメ用凹凸部形成領域Dに隣接して、バックヨーク形成部5aが、鋼板搬入口50a側に向くとともに鋼板搬入口50a側に配置され且つ鋼板15の幅方向に並ぶ、一方の列51の複数のコア片17を同時に打抜く、鋼板搬入口側コア片打抜き領域Eが設けられている。
また、鋼板送り方向で鋼板搬入口側コア片打抜き領域Eに隣接して、バックヨーク形成部5aが、プレス金型71の鋼板搬出口50b側に向くとともに鋼板搬出口50b側に配置され且つ鋼板15の幅方向に並ぶ、他方の列52のコア片17となる部位のカシメ部形成位置に、抜きカシメ用凹凸部17cを形成する第2の抜きカシメ用凹凸部形成領域Fが設けられている。
Further, the back yoke forming portion 5a faces the steel plate carry-in port 50a side and is disposed on the steel plate carry-in port 50a side and adjacent to the first punching concavo-convex portion forming region D in the steel plate feed direction and the width of the steel plate 15 A steel sheet carry-in entrance side core piece punching region E is provided in which a plurality of core pieces 17 in one row 51 arranged in the direction are punched simultaneously.
Further, the back yoke forming portion 5a faces the steel plate carry-out port 50b side of the press die 71 and is disposed on the steel plate carry-out port 50b side, and is adjacent to the steel plate carry-in side core piece punching region E in the steel plate feed direction. A second caulking concave / convex portion forming region F for forming the concave / crimped concave / convex portion 17c is provided at a position where the caulking portion is formed in the portion that becomes the core piece 17 of the other row 52, which is arranged in the width direction of 15. .

また、鋼板送り方向で第2の抜きカシメ用凹凸部形成領域Fに隣接して、バックヨーク形成部5aが、鋼板搬出口50b側に向くとともに鋼板搬出口50b側に配置され且つ鋼板15の幅方向に並ぶ、他方の列52の複数のコア片17を同時に打抜く、鋼板搬出口側コア片打抜き領域Gが設けられている。
また、鋼板搬入口側コア片打抜き領域Eと鋼板搬出口側コア片打抜き領域Gとには、打抜かれたコア片17のカシメ孔17bまたは打抜かれたコア片17の抜きカシメ用凹部に、打抜かれたコア片17の抜きカシメ用凸部を嵌合させて積層したものを、バックヨーク形成部外周面5bと磁極ティース形成部側面6bとに側圧を作用させながら、カシメ部17aを抜きカシメで連結する機構を備えている。
In addition, the back yoke forming portion 5a faces the steel plate carry-out port 50b side and is arranged on the steel plate carry-out port 50b side and is adjacent to the second punching concavo-convex portion forming region F in the steel plate feed direction and the width of the steel plate 15 A steel plate unloading side core piece punching region G is provided in which the plurality of core pieces 17 in the other row 52 arranged in the direction are punched simultaneously.
In addition, the steel plate carry-in side core piece punching region E and the steel plate carry-out port side core piece punching region G have a punching hole 17b of the punched core piece 17 or a punching recess of the core piece 17 punched. The core piece 17 that has been pulled out is fitted and laminated with the protrusions for caulking, and the caulking portion 17a is removed by caulking while applying side pressure to the outer peripheral surface 5b of the back yoke forming portion and the side surface 6b of the magnetic teeth forming portion. A mechanism for coupling is provided.

また、鋼板搬入口側コア片打抜き領域Eの下部には、鋼板搬入口側コア片打抜き領域Eで打抜かれた一方の列51のコア片17を積層し連結して形成された複数の分割電機子鉄心4を取出す、取出し口(図示せず)が設けられており、取出し口部には、分割電機子鉄心4を鋼板送り方向と略直角な方向に搬出する第1の電動コンベア53aを備えている。
また、鋼板搬出口側コア片打抜き領域Gの下部には、鋼板搬出口側コア片打抜き領域Gで打抜かれた他方の列52のコア片17を積層し連結して形成された複数の分割電機子鉄心4を取出す、取出し口(図示せず)が設けられており、取出し口部には、分割電機子鉄心4を鋼板送り方向と略直角な方向に搬出する第2の電動コンベア53bを備えている。
In addition, a plurality of divided electric machines formed by stacking and connecting the core pieces 17 of one row 51 punched in the steel plate carry-in side core piece punching region E below the steel plate carry-in side core piece punching region E A take-out port (not shown) for taking out the core 4 is provided, and the take-out port is provided with a first electric conveyor 53a that carries the split armature core 4 in a direction substantially perpendicular to the steel plate feeding direction. ing.
In addition, a plurality of divided electric machines formed by stacking and connecting the core pieces 17 of the other row 52 punched in the steel plate carry-out port side core piece punching region G below the steel plate carry-out port side core piece punching region G A take-out opening (not shown) for taking out the core 4 is provided, and the take-out section is provided with a second electric conveyor 53b that carries the split armature core 4 in a direction substantially perpendicular to the steel plate feeding direction. ing.

次に、本実施の形態の分割電機子鉄心の製造装置100の動作を説明する。
まず、鋼板搬入口50aから投入した鋼板15をプレス金型71内で送り、パイロット孔形成領域Aで、パイロット孔15aを打抜く。
鋼板15のパイロット孔15aが形成された部分をプレス金型71内で送り、カシメ孔形成領域Cで、カシメ孔17bを打抜く。
鋼板15のカシメ孔17bが形成された部分をプレス金型71内で送り、鋼板搬入口側コア片打抜き領域Eで、一方の列51のコア片17を打抜く。
Next, operation | movement of the manufacturing apparatus 100 of the split armature core of this Embodiment is demonstrated.
First, the steel plate 15 introduced from the steel plate carry-in port 50a is fed into the press die 71, and the pilot hole 15a is punched out in the pilot hole forming region A.
The portion of the steel plate 15 where the pilot hole 15a is formed is fed into the press die 71, and the crimping hole 17b is punched out in the crimping hole forming region C.
The portion of the steel plate 15 where the crimping holes 17b are formed is fed in the press die 71, and the core pieces 17 in one row 51 are punched in the steel plate carry-in entrance core piece punching region E.

鋼板15のカシメ孔17bが形成された部分をプレス金型71内で送り、鋼板搬出口側コア片打抜き領域Gで、他方の列52のコア片17を打抜く。
また、鋼板15の新たにパイロット孔15aが形成された部分をプレス金型71内で送り、第1の抜きカシメ用凹凸部形成領域Dで、一方の列51のコア片用の抜きカシメ用凹凸部17cを形成する。
鋼板15の一方の列のコア片用の抜きカシメ用凹凸部17cが形成された部分をプレス金型71内で送り、鋼板搬入口側コア片打抜き領域Eで、一方の列51のコア片17を打抜くとともに、下層の一方の列51のコア片17と積層し、抜きカシメで連結する。
The portion of the steel plate 15 where the caulking hole 17b is formed is fed in the press die 71, and the core pieces 17 in the other row 52 are punched out in the steel plate unloading side core piece punching region G.
Further, the portion of the steel plate 15 in which the pilot hole 15a is newly formed is fed into the press die 71, and the unevenness for punching caulking for the core pieces in one row 51 is formed in the first punching unevenness forming region D. A portion 17c is formed.
The portion of the steel plate 15 in which the concave and convex portions 17c for the core pieces in one row are formed is fed in the press die 71, and the core pieces 17 in one row 51 in the steel plate carry-in side core piece punching region E. Are stacked with the core pieces 17 of one lower row 51 and connected by punching.

鋼板15の一方の列51のコア片17が打抜かれた部分をプレス金型71内で送り、第2の抜きカシメ用凹凸部形成領域Fで、他方の列52のコア片用の抜きカシメ用凹凸部17cを形成する。
鋼板15の他方の列52のコア片用の抜きカシメ用凹凸部17cが形成された部分をプレス金型71内で送り、鋼板搬出口側コア片打抜き領域Gで、他方の列52のコア片17を打抜くとともに、下層の他方の列52のコア片17と積層し、抜きカシメで連結する。
The portion of the steel plate 15 in which the core piece 17 of one row 51 is punched is fed in the press die 71, and the second caulking uneven portion forming region F is used for punching the core piece in the other row 52. The uneven part 17c is formed.
The portion of the other row 52 of the steel plate 15 in which the concave and convex portions 17c for the core pieces are formed is fed in the press die 71, and the core piece of the other row 52 is formed in the steel plate unloading side core piece punching region G. 17 is punched out, laminated with the core pieces 17 in the other lower row 52, and connected by punching.

鋼板15の新たにパイロット孔15aが形成された部分で、一方の列51のコア片用の抜きカシメ用凹凸部17cを形成する動作から、他方の列52のコア片17を打抜くとともに、下層の他方の列52のコア片17と積層し、抜きカシメで連結する動作までを繰り返して、コア片17を所定数積層し連結し、一方の列51のコア片17でなる分割電機子鉄心4と他方の列52のコア片17でなる分割電機子鉄心4とを作製する。
作製された一方の列51のコア片17でなる分割電機子鉄心4を、第1の電動コンベア53aで搬出し、作製された他方の列52のコア片17でなる分割電機子鉄心4を、第2の電動コンベア53bで搬出する。
In the part where the pilot hole 15a is newly formed in the steel plate 15, the core piece 17 in the other row 52 is punched out from the operation of forming the punching uneven portion 17c for the core piece in one row 51, and the lower layer The operation is repeated until the core pieces 17 of the other row 52 are stacked and connected by pulling caulking, and a predetermined number of core pieces 17 are stacked and connected, and the split armature core 4 composed of the core pieces 17 of one row 51 is connected. And the split armature core 4 composed of the core pieces 17 in the other row 52 are produced.
The split armature core 4 composed of the core pieces 17 of the one row 51 thus produced is carried out by the first electric conveyor 53a, and the split armature core 4 composed of the core pieces 17 of the other row 52 thus produced is It is carried out by the second electric conveyor 53b.

次に、本実施の形態の製造装置100で作製された分割電機子鉄心4を用いた電機子10と回転電機1について説明する。
図4は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心にコイルを設ける状態を説明する平面模式図である。
作製され各電動コンベアで搬出されて複数の分割電機子鉄心4は、個々に分離されているので、図4に示すように、分割電機子鉄心4の磁極ティース部6にインシュレータ7を装着した後、分割電機子鉄心4を回転させて、インシュレータ7の部分に、巻線機18のノズルから送り出される電線8を巻回することにより、分割電機子9を作製する。
Next, the armature 10 and the rotating electrical machine 1 using the split armature core 4 manufactured by the manufacturing apparatus 100 of the present embodiment will be described.
FIG. 4 is a schematic plan view illustrating a state in which a coil is provided on a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
Since the plurality of divided armature cores 4 that are produced and carried out by the respective electric conveyors are individually separated, as shown in FIG. 4, after the insulator 7 is attached to the magnetic pole teeth portion 6 of the divided armature core 4. The split armature 9 is produced by rotating the split armature core 4 and winding the electric wire 8 fed from the nozzle of the winding machine 18 around the insulator 7.

図5は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心を用いた電機子の平面模式図である。
図5に示すように、本実施の形態の電機子10は、複数の分割電機子9を、磁極ティース部6が径方向内側になるようにして環状に配置して作製されている。
本実施の形態では、18個の分割電機子9を環状に配置して電機子10が形成されているが、用いられる分割電機子9の数は、これに限定されない。
FIG. 5 is a schematic plan view of an armature using a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
As shown in FIG. 5, the armature 10 of the present embodiment is manufactured by arranging a plurality of divided armatures 9 in an annular shape so that the magnetic teeth 6 are radially inward.
In the present embodiment, 18 armatures 10 are formed by arranging 18 armatures 9 in a ring shape, but the number of armatures 9 used is not limited to this.

図6は、本発明の実施の形態1に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心を用いた回転電機の平面模式図である。
図6に示すように、本実施の形態の回転電機1は、電機子10と、電機子10の内周側に、同心円状に配置され且つ電機子10の内周と対向する面に永久磁石12が設けられたロータ11と、電機子10とロータ11とを保持するハウジング13とで形成されている。
FIG. 6 is a schematic plan view of a rotating electrical machine using a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 1 of the present invention.
As shown in FIG. 6, the rotating electrical machine 1 according to the present embodiment includes an armature 10 and a permanent magnet on a surface concentrically arranged on the inner peripheral side of the armature 10 and facing the inner periphery of the armature 10. 12 is formed by a rotor 11 provided with 12 and a housing 13 that holds the armature 10 and the rotor 11.

本実施の形態の分割電機子鉄心の製造装置100は、一方の列51のコア片17でなる3個の分割電機子鉄心4と、他方の列52のコア片17でなる3個の分割電機子鉄心4とが同時に作製できるので、生産性が優れている。
また、一方の列51のコア片17でなる3個の分割電機子鉄心4と他方の列52のコア片でなる3個の分割電機子鉄心4とが、共にバックヨーク部5が一列に並んだ整列された状態で各電動コンベア53a,53bにより搬出するので、例えば、後工程である磁極ティース部6へのインシュレータ7の取付け工程への、一括した搬送、投入が容易である。
また、磁極ティース部6の突出方向が、鋼板の送り方向と同方向である分割電機子鉄心4を製造できるので、鋼板15の異方性の影響を受けにくく、回転電機とした時のトルク脈動を低減できる。
The split armature core manufacturing apparatus 100 according to the present embodiment includes three split armature cores 4 including the core pieces 17 in one row 51 and three split electric machines including the core pieces 17 in the other row 52. Since the core 4 can be produced simultaneously, the productivity is excellent.
The three split armature cores 4 formed of the core pieces 17 in one row 51 and the three divided armature cores 4 formed of the core pieces in the other row 52 both have the back yoke portion 5 aligned in a row. Since they are unloaded by the electric conveyors 53a and 53b in an aligned state, for example, it is easy to carry and feed them in a batch to the process of attaching the insulator 7 to the magnetic pole tooth portion 6 as a subsequent process.
In addition, since the split armature core 4 in which the protruding direction of the magnetic pole tooth portion 6 is the same as the feeding direction of the steel plate can be manufactured, the torque pulsation when the rotating electric machine is hardly affected by the anisotropy of the steel plate 15 is obtained. Can be reduced.

また、他方の列52の複数のコア片17の打抜きが、一方の列51の複数のコア片17の打抜きが行われる鋼板搬入口側コア片打抜き領域Eと第2の抜きカシメ用凹凸部形成領域Fを介して設けられている、鋼板搬出口側コア片打抜き領域Gで行われるので、プレス荷重の中心をプレス金型71(プレス機のボルスター)の中心に近づけることが可能となり、安定してコア片17の打抜きができる。さらに、各電動コンベア53a,53bを容易に設置できるスペースを確保できる。   Further, the punching of the plurality of core pieces 17 in the other row 52 is performed by punching the core pieces 17 in the one row 51, and the formation of the second corrugation portion for punching the steel plate loading side core piece. Since it is performed in the steel plate unloading side core piece punching region G provided through the region F, it becomes possible to bring the center of the press load closer to the center of the press die 71 (the bolster of the press machine), which is stable. The core piece 17 can be punched out. Furthermore, the space which can install each electric conveyor 53a, 53b easily can be ensured.

また、少なくともバックヨーク形成部外周面5bと磁極ティース形成部側面6bとに側圧を作用させながら抜きカシメを行い、コア片17を連結するので、寸法ばらつきのない安定した分割電機子鉄心4を作製できる。
また、打抜かれたコア片17を、電動コンベア53a,53bで直接受け取るようになっているので、複数の分割電機子鉄心4の整列状態を維持しながら搬出することができる。
さらに、一方の列51の複数のコア片17と他方の列52の複数のコア片17とを千鳥状に配置して打抜くので、鋼板15の材料歩留りが優れている。
Further, since the core piece 17 is connected by performing caulking while applying a lateral pressure to at least the outer peripheral surface 5b of the back yoke forming portion and the side surface 6b of the magnetic teeth forming portion, the stable split armature core 4 having no dimensional variation is manufactured. it can.
Moreover, since the punched core piece 17 is directly received by the electric conveyors 53a and 53b, the core pieces 17 can be carried out while maintaining the aligned state of the plurality of divided armature cores 4.
Furthermore, since the plurality of core pieces 17 in one row 51 and the plurality of core pieces 17 in the other row 52 are arranged and punched in a staggered manner, the material yield of the steel plate 15 is excellent.

また、本実施の形態の電機子10及び回転電機1は、構成する分割電機子鉄心4が上記のような効果を有するので、低コスト化と高性能化と高精度化とが可能である。
本実施の形態の製造装置100では、一列に並んで同時に打抜かれる一方の列51の複数のコア片17と、一列に並んで同時に打抜かれる他方の列52の複数のコア片17との各々が3個であるが、これに限定されない。しかし、3個以上であることが好ましい。
Further, in the armature 10 and the rotating electrical machine 1 of the present embodiment, since the divided armature core 4 constituting the above has the effects as described above, it is possible to reduce the cost, improve the performance, and increase the accuracy.
In manufacturing apparatus 100 of the present embodiment, a plurality of core pieces 17 in one row 51 that are simultaneously punched in a row and a plurality of core pieces 17 in the other row 52 that are simultaneously punched in a row. Each is three, but is not limited to this. However, it is preferably 3 or more.

実施の形態2.
図7は、本発明の実施の形態2に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。
図7に示すように、後述する本実施の形態の分割電機子鉄心の製造装置(製造装置と記す)200で鋼板15から打抜かれるコア片は、バックヨーク形成部25aと、バックヨーク形成部25aの中央部から、バックヨーク形成部25aに対する直角方向に突出した磁極ティース形成部26aとを備えた略T字状である。
また、各コア片は、バックヨーク形成部25aにおける周方向の両端部と、磁極ティース形成部26aにおける径方向の端部とに、後述するカシメ孔27bまたは抜きカシメ用凹凸部27cである、カシメ部27aを有する。
Embodiment 2. FIG.
FIG. 7 is a schematic plan view showing the arrangement of core pieces punched from a steel plate by the split armature core manufacturing apparatus according to Embodiment 2 of the present invention.
As shown in FIG. 7, the core pieces punched from the steel plate 15 by a split armature core manufacturing apparatus (referred to as a manufacturing apparatus) 200 of the present embodiment to be described later are a back yoke forming part 25 a and a back yoke forming part. It is substantially T-shaped with a magnetic teeth forming portion 26a protruding in the direction perpendicular to the back yoke forming portion 25a from the center portion of 25a.
Also, each core piece is a caulking hole 27b or a caulking uneven part 27c to be described later at both circumferential ends of the back yoke forming portion 25a and radial ends of the magnetic teeth forming portion 26a. Part 27a.

また、本実施の形態の製造装置200で鋼板15から打抜かれる複数のコア片の配置は、バックヨーク形成部25aが直線状に並ぶ一列となっている。
しかし、一列になって打抜かれるコア片は、バックヨーク形成部25aの、一方の縁部25cが凹面であり他方の縁部25dが凸面である第1のコア片27と、バックヨーク形成部25aの、一方の縁部25cが凸面であり他方の縁部25dが凹面である第2のコア片28との、2種類である。
図7に示すように、バックヨーク形成部25aが、直線状に配置し、隙間を設けて一列に並ぶ、第1のコア片27及び第2のコア片28は、各々3個である。
In addition, the arrangement of the plurality of core pieces punched from the steel plate 15 by the manufacturing apparatus 200 of the present embodiment is a row in which the back yoke forming portions 25a are arranged in a straight line.
However, the core pieces to be punched in a line are the first core piece 27 of the back yoke forming portion 25a, in which one edge portion 25c is a concave surface and the other edge portion 25d is a convex surface, and the back yoke forming portion. There are two types of the second core piece 28, one of which is a convex surface and the other edge 25d is a concave surface.
As shown in FIG. 7, there are three first core pieces 27 and three second core pieces 28 each having a back yoke forming portion 25 a arranged linearly and arranged in a line with a gap.

図8は、本発明の実施の形態2に係わる分割電機子鉄心の製造装置で作製される分割電機子鉄心の平面模式図である。
図8に示すように、本実施の形態の分割電機子鉄心24は、第1のコア片27と第2のコア片28とを交互に積層し、積層された第1のコア片27と第2のコア片28とのカシメ部27aを抜きカシメで連結することにより作製される。
FIG. 8 is a schematic plan view of a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 2 of the present invention.
As shown in FIG. 8, the split armature core 24 of the present embodiment includes first core pieces 27 and second core pieces 28 that are alternately stacked, and the stacked first core pieces 27 and second core pieces 27 are stacked. The crimping part 27a with the two core pieces 28 is removed and connected by caulking.

分割電機子鉄心24の平面形状は、バックヨーク部25と、バックヨーク部25の中央から突出した磁極ティース部26とを備えた略T字状であり、コア片のカシメ部27aの位置に抜きカシメ部24aが形成されている。
図8に示すように、本実施の形態の製造装置200から搬出される、バックヨーク部25を直線上に配置して並んだ一群の分割電機子鉄心24は、3個である。
The planar shape of the split armature core 24 is substantially T-shaped with a back yoke part 25 and a magnetic pole tooth part 26 protruding from the center of the back yoke part 25, and is cut out at the position of the caulking part 27a of the core piece. A caulking portion 24a is formed.
As shown in FIG. 8, the group of divided armature cores 24 that are unloaded from the manufacturing apparatus 200 according to the present embodiment and arranged with the back yoke portions 25 arranged in a straight line are three.

図9は、本発明の実施の形態2に係わる分割電機子鉄心の製造装置を説明する平面模式図である。
図9に示すように、本実施の形態の分割電機子鉄心の製造装置200も、プレス金型72と、鋼板15を所定ピッチで間欠送りする鋼板送り機構(図示せず)と、作製された分割電機子鉄心を搬出する電動コンベア53cとを備えている。
本実施の形態のプレス金型72も、プレス金型72の鋼板搬入口50aに隣接して、矢印Vで示す鋼板の送り方向と直交する鋼板の幅方向の両端部に、プレス金型72内での鋼板15の位置を決めるパイロット孔15aを打抜くパイロット孔形成領域A2が設けられている。
FIG. 9 is a schematic plan view illustrating a split armature core manufacturing apparatus according to Embodiment 2 of the present invention.
As shown in FIG. 9, the split armature core manufacturing apparatus 200 of the present embodiment is also manufactured with a press die 72 and a steel plate feed mechanism (not shown) that intermittently feeds the steel plate 15 at a predetermined pitch. And an electric conveyor 53c for carrying out the split armature core.
The press die 72 of the present embodiment is also adjacent to the steel plate carry-in port 50a of the press die 72 and is disposed in the press die 72 at both ends in the width direction of the steel plate perpendicular to the feed direction of the steel plate indicated by the arrow V. A pilot hole forming region A2 for punching a pilot hole 15a for determining the position of the steel plate 15 is provided.

また、鋼板送り方向でパイロット孔形成領域A2に隣接して、第1のコア片27のバックヨーク形成部25aにおける、一方の縁部25cの凹面と他方の縁部25dの凸面とを形成する第1のバックヨーク形成部縁部面形成領域(第1の縁部面形成領域と記す)B2が設けられている。
また、鋼板送り方向で第1の縁部面形成領域B2に隣接して、第2のコア片28のバックヨーク形成部25aにおける、一方の縁部25cの凸面と他方の縁部25dの凹面とを形成する第2のバックヨーク形成部縁部面形成領域(第2の縁部面形成領域と記す)C2が設けられている。
また、鋼板送り方向で第2の縁部面形成領域C2に隣接して、第1または第2のコア片27,28のカシメ部形成位置に、カシメ孔27bを打抜くカシメ孔形成領域D2が設けられている。
Further, adjacent to the pilot hole forming region A2 in the steel sheet feeding direction, a first surface of the back yoke forming portion 25a of the first core piece 27 is formed with a concave surface of one edge portion 25c and a convex surface of the other edge portion 25d. One back yoke forming portion edge surface forming region (referred to as a first edge surface forming region) B2 is provided.
Further, adjacent to the first edge surface forming region B2 in the steel sheet feeding direction, a convex surface of one edge portion 25c and a concave surface of the other edge portion 25d in the back yoke forming portion 25a of the second core piece 28 A second back yoke forming portion edge surface forming region (referred to as a second edge surface forming region) C2 is provided.
Further, a caulking hole forming region D2 for punching the caulking hole 27b is formed at the caulking portion forming position of the first or second core piece 27, 28 adjacent to the second edge surface forming region C2 in the steel sheet feeding direction. Is provided.

また、鋼板送り方向でカシメ孔形成領域D2に隣接して、第1または第2のコア片27,28のカシメ部形成位置に、抜きカシメ用凹凸部27cを形成する抜きカシメ用凹凸部形成領域E2が設けられている。
また、鋼板送り方向で抜きカシメ用凹凸部形成領域E2に隣接して、鋼板15を安定させるための何も加工を施さない無加工領域F2が設けられている。
また、鋼板送り方向で無加工領域F2に隣接して、バックヨーク形成部25aが鋼板送り方向と直角な方向である鋼板の幅方向に一列に並び且つ磁極ティース形成部26aの突出方向がプレス金型72の鋼板搬出口50bの方向である、同時に打抜かれる複数の第1のコア片27と同時に打抜かれる複数の第2のコア片28とを交互に打抜く、コア片打抜き領域G2が設けられている。
Further, the concave / convex concave / convex portion forming region for forming the concave / crimped concave / convex portion 27c at the caulking portion forming position of the first or second core piece 27, 28 adjacent to the crimping hole forming region D2 in the steel sheet feeding direction. E2 is provided.
Further, an unprocessed region F2 where no processing for stabilizing the steel plate 15 is performed is provided adjacent to the punching uneven portion forming region E2 in the steel plate feeding direction.
Further, adjacent to the non-working region F2 in the steel sheet feeding direction, the back yoke forming portions 25a are arranged in a line in the width direction of the steel plate, which is a direction perpendicular to the steel plate feeding direction, and the protruding direction of the magnetic teeth forming portion 26a is the press metal. A core piece punching region G2 that alternately punches a plurality of second core pieces 28 punched simultaneously with the plurality of first core pieces 27 punched simultaneously, which is in the direction of the steel plate unloading port 50b of the mold 72. Is provided.

また、コア片打抜き領域G2には、打抜かれた第1,第2のコア片27,28のカシメ孔27bまたは打抜かれた第1,第2のコア片27,28の抜きカシメ用凹部に、打抜かれた第1,第2のコア片27,28の抜きカシメ用凸部を嵌合させて積層したものを、バックヨーク形成部外周面25bと磁極ティース形成部側面26bとに側圧を作用させながら、カシメ部27aを抜きカシメで連結する機構を備えている。
また、コア片打抜き領域G2の下部には、コア片打抜き領域G2で打抜かれた、第1のコア片27と第2のコア片28とを交互に積層し連結して形成された複数の分割電機子鉄心24を取出す、取出し口(図示せず)が設けられており、取出し口部には、分割電機子鉄心24を鋼板送り方向と略直角な方向に搬出する電動コンベア53cを備えている。
Further, in the core piece punching region G2, the caulking holes 27b of the punched first and second core pieces 27 and 28 or the concave and caulking concave portions of the punched first and second core pieces 27 and 28, The punched caulking convex portions of the first and second core pieces 27 and 28 that have been punched are stacked and subjected to side pressure acting on the back yoke forming portion outer peripheral surface 25b and the magnetic teeth forming portion side surface 26b. However, a mechanism for removing the caulking portion 27a and connecting it by caulking is provided.
A plurality of divisions formed by alternately stacking and connecting the first core pieces 27 and the second core pieces 28 punched in the core piece punching region G2 are provided below the core piece punching region G2. A take-out port (not shown) for taking out the armature core 24 is provided, and the take-out port portion is provided with an electric conveyor 53c that carries the divided armature core 24 in a direction substantially perpendicular to the steel plate feeding direction. .

本実施の形態の製造装置200で作製され、電動コンベア53cで搬出された複数の分割電機子鉄心24も、各々に分離できるので、実施の形態1の分割電機子鉄心4と同様にして、電機子及び回転電機に用いることができる。
本実施の形態の製造装置200も、3個の分割電機子鉄心24が同時に作製できるので、生産性が優れている。
また、3個の分割電機子鉄心24が、バックヨーク部25が一列に並んだ整列された状態で搬出されるので、例えば、後工程である磁極ティース部26へのインシュレータ7の取付け工程への、一括した搬送、投入が容易である。
Since the plurality of divided armature cores 24 manufactured by the manufacturing apparatus 200 of the present embodiment and carried out by the electric conveyor 53c can also be separated from each other, the same as the divided armature core 4 of the first embodiment, It can be used for a child and a rotating electric machine.
The manufacturing apparatus 200 of the present embodiment is also excellent in productivity because the three divided armature cores 24 can be manufactured simultaneously.
Further, since the three divided armature cores 24 are carried out in a state where the back yoke portions 25 are aligned in a line, for example, a process for attaching the insulator 7 to the magnetic pole teeth portion 26 which is a subsequent step is carried out. It is easy to carry and load in a batch.

また、磁極ティース部26の突出方向が鋼板の送り方向と同方向の分割電機子鉄心24を作製できるので、鋼板15の異方性の影響を受けにくく、回転電機とした時のトルク脈動を低減できる。
また、少なくともバックヨーク形成部外周面25bと磁極ティース形成部側面26bとに側圧を作用させながら抜きカシメを行い、コア片を連結するので、寸法ばらつきのない安定した分割電機子鉄心24を形成できる。
また、打抜かれたコア片を、電動コンベア53cで直接受け取るようになっているので、複数の分割電機子鉄心24の整列状態を維持しながら搬出することができる。
In addition, since the split armature core 24 in which the protruding direction of the magnetic teeth portion 26 is the same as the feeding direction of the steel plate can be produced, the torque pulsation when the rotating electric machine is reduced is less affected by the anisotropy of the steel plate 15. it can.
Further, since the core pieces are connected by performing caulking while applying a side pressure to at least the outer peripheral surface 25b of the back yoke forming portion and the side surface 26b of the magnetic pole teeth, the stable split armature core 24 having no dimensional variation can be formed. .
Further, since the punched core piece is directly received by the electric conveyor 53c, it can be carried out while maintaining the alignment state of the plurality of divided armature cores 24.

第1のコア片27と第2のコア片28とを交互に積層して形成される分割電機子鉄心24を作製できるので、隣接する分割電機子鉄心24のバックヨーク部25の端部同士を重ねることができ、堅固な電機子を形成できる。
また、本実施の形態の電機子及び回転電機は、構成する分割電機子鉄心24が上記のような効果を有するので、低コスト化と高性能化と高精度化とが可能である。
Since the split armature core 24 formed by alternately laminating the first core pieces 27 and the second core pieces 28 can be manufactured, the ends of the back yoke portions 25 of the adjacent split armature cores 24 are connected to each other. They can be stacked and a solid armature can be formed.
Further, in the armature and the rotating electric machine according to the present embodiment, since the divided armature core 24 to be configured has the effects as described above, it is possible to reduce the cost, improve the performance, and increase the accuracy.

本実施の形態の製造装置200では、一列に並んで同時に打抜かれる複数の第1のコア片27と、一列に並んで同時に打抜かれる複数の第2のコア片28との各々は3個であるが、これに限定されない。しかし、3個以上であることが好ましい。
また、本実施の形態の製造装置200で打抜く第1のコア片27及び第2のコア片28における、磁極ティース形成部26aの突出方向は鋼板搬出口50bの方向であるが、鋼板送り方向と平行であれば、鋼板搬入口50aの方向であっても良い。
In the manufacturing apparatus 200 of the present embodiment, each of the plurality of first core pieces 27 that are simultaneously punched in a row and the plurality of second core pieces 28 that are simultaneously punched in a row are three. However, it is not limited to this. However, it is preferably 3 or more.
Further, in the first core piece 27 and the second core piece 28 punched by the manufacturing apparatus 200 of the present embodiment, the protruding direction of the magnetic teeth forming portion 26a is the direction of the steel plate carry-out port 50b, but the steel plate feed direction The direction of the steel plate carry-in entrance 50a may be used.

実施の形態3.
図10は、本発明の実施の形態3に係わる分割電機子鉄心の製造装置で鋼板から打抜かれるコア片の配置を示す平面模式図である。
図10に示すように、後述する本実施の形態の分割電機子鉄心の製造装置(製造装置と記す)300で鋼板15から打抜かれるコア片は、バックヨーク形成部25aと、バックヨーク形成部25aの中央部から、バックヨーク形成部25aに対する直角方向に突出した磁極ティース形成部26aとを備えた略T字状である。
また、各コア片は、バックヨーク形成部25aにおける周方向の両端部と、磁極ティース形成部26aにおける径方向の端部とに、後述するカシメ孔27bまたは抜きカシメ用凹凸部27cである、カシメ部27aを有する。
Embodiment 3 FIG.
FIG. 10 is a schematic plan view showing the arrangement of core pieces punched from a steel plate by the split armature core manufacturing apparatus according to Embodiment 3 of the present invention.
As shown in FIG. 10, the core pieces punched from the steel plate 15 by a split armature core manufacturing apparatus (referred to as a manufacturing apparatus) 300 according to the present embodiment, which will be described later, are a back yoke forming part 25 a and a back yoke forming part. It is substantially T-shaped with a magnetic teeth forming portion 26a protruding in the direction perpendicular to the back yoke forming portion 25a from the center portion of 25a.
Also, each core piece is a caulking hole 27b or a caulking uneven part 27c to be described later at both circumferential ends of the back yoke forming portion 25a and radial ends of the magnetic teeth forming portion 26a. Part 27a.

また、本実施の形態のコア片は、実施の形態2と同様に、バックヨーク形成部25aの、一方の縁部25cが凹面であり他方の縁部25dが凸面である第1のコア片27と、バックヨーク形成部25aの、一方の縁部25cが凸面であり他方の縁部25dが凹面である第2のコア片28との2種類である。   Further, the core piece of the present embodiment is the same as in the second embodiment, in the first core piece 27 of the back yoke forming portion 25a in which one edge portion 25c is a concave surface and the other edge portion 25d is a convex surface. And the second core piece 28 of the back yoke forming portion 25a, which is a second core piece 28 in which one edge portion 25c is a convex surface and the other edge portion 25d is a concave surface.

図10に示すように、本実施の形態の分割電機子鉄心の製造装置300で打抜かれる複数の第1のコア片27の配置は、バックヨーク形成部25aが直線上に並ぶ二列となっている。
そして、一方の列61の第1のコア片27における磁極ティース形成部26aの先端が、他方の列62の第1コア片27におけるバックヨーク形成部25aの内側と対向しており、他方の列62の第1のコア片27における磁極ティース形成部26aの先端が、一方の列61の第1のコア片27におけるバックヨーク形成部25aの内側と対向している。
As shown in FIG. 10, the arrangement of the plurality of first core pieces 27 punched by the split armature core manufacturing apparatus 300 according to the present embodiment is in two rows in which the back yoke forming portions 25a are arranged in a straight line. ing.
And the front-end | tip of the magnetic pole teeth formation part 26a in the 1st core piece 27 of one row | line | column 61 has opposed the inner side of the back yoke formation part 25a in the 1st core piece 27 of the other row | line | column 62, and the other row | line | column. The tip of the magnetic pole tooth forming portion 26 a in the first core piece 27 of 62 faces the inner side of the back yoke forming portion 25 a in the first core piece 27 of one row 61.

また、一方の列63の第2のコア片28における磁極ティース形成部26aの先端が、他方の列64の第2コア片28におけるバックヨーク形成部25aの内側と対向しており、他方の列64の第2のコア片28における磁極ティース形成部26aの先端が、一方の列63の第2のコア片28におけるバックヨーク形成部25aの内側と対向している。   Further, the tip of the magnetic pole tooth forming portion 26a in the second core piece 28 of one row 63 is opposed to the inside of the back yoke forming portion 25a in the second core piece 28 of the other row 64, and the other row. The leading ends of the magnetic pole tooth forming portions 26 a in the 64 second core pieces 28 face the inner side of the back yoke forming portions 25 a in the second core pieces 28 in one row 63.

すなわち、一方の列61の第1のコア片27と他方の列62の第1のコア片27とが千鳥状に配置されており、一方の列63の第2のコア片28と他方の列64の第2のコア片28とが千鳥状に配置されている。
また、バックヨーク形成部25aが、直線状に配置し、隙間を設けて一列に並ぶ、一方の列61の第1のコア片27及び他方の列62の第1のコア片27は、各々6個であり、バックヨーク形成部25aが、直線状に配置し、隙間を設けて一列に並ぶ、一方の列63の第2のコア片28及び他方の列64の第2のコア片28も、各々6個である。
That is, the first core pieces 27 in one row 61 and the first core pieces 27 in the other row 62 are arranged in a staggered manner, and the second core pieces 28 in one row 63 and the other rows 64 second core pieces 28 are arranged in a staggered manner.
Further, the first yoke piece 27 in one row 61 and the first core piece 27 in the other row 62, in which the back yoke forming portion 25a is arranged in a straight line and arranged in a row with a gap, The second core piece 28 in one row 63 and the second core piece 28 in the other row 64, each of which has a back yoke forming portion 25a arranged in a straight line and arranged in a line with a gap, There are 6 each.

図11は、本発明の実施の形態3に係わる分割電機子鉄心の製造装置で作製された分割電機子鉄心の平面模式図である。
図11に示すように、本実施の形態の分割電機子鉄心は、実施の形態2の分割電機子鉄心24と同様であり、第1のコア片27と第2のコア片28とを交互に積層し、積層された第1のコア片27と第2のコア片28とのカシメ部27aを抜きカシメで連結することにより作製される。
FIG. 11 is a schematic plan view of a split armature core manufactured by the split armature core manufacturing apparatus according to Embodiment 3 of the present invention.
As shown in FIG. 11, the split armature core of the present embodiment is the same as the split armature core 24 of the second embodiment, and the first core pieces 27 and the second core pieces 28 are alternately arranged. It is produced by stacking and connecting the caulking portions 27a of the laminated first core piece 27 and second core piece 28 by caulking.

また、分割電機子鉄心24の平面形状は、実施の形態2と同様の、バックヨーク部25と、バックヨーク部25の中央から突出した磁極ティース部26とを備えた略T字状であり、コア片のカシメ部27aと同じ位置に抜きカシメ部24aが形成されている。
図11に示すように、本実施の形態の製造装置から搬出される、バックヨーク部25を直線上に配置して並んだ一群の分割電機子鉄心24は、6個である。
Further, the planar shape of the split armature core 24 is substantially T-shaped with a back yoke portion 25 and a magnetic pole teeth portion 26 protruding from the center of the back yoke portion 25, as in the second embodiment. A caulking portion 24a is formed at the same position as the caulking portion 27a of the core piece.
As shown in FIG. 11, there are six groups of divided armature cores 24 that are unloaded from the manufacturing apparatus of the present embodiment and arranged with the back yoke portions 25 arranged in a straight line.

図12は、本発明の実施の形態3に係わる分割電機子鉄心の製造装置の主要部を説明する平面模式図である。
本実施の形態の分割電機子鉄心の製造装置300も、プレス金型73と、鋼板15を所定ピッチで間欠送りする鋼板送り機構(図示せず)と、作製された分割電機子鉄心を搬出する電動コンベア(図示せず)とを備えている。
FIG. 12 is a schematic plan view for explaining the main part of the split armature core manufacturing apparatus according to Embodiment 3 of the present invention.
The split armature core manufacturing apparatus 300 of the present embodiment also carries out the press mold 73, a steel plate feed mechanism (not shown) that intermittently feeds the steel plate 15 at a predetermined pitch, and the produced split armature core. And an electric conveyor (not shown).

本実施の形態のプレス金型73は、図示しないが、プレス金型73の鋼板搬入口側に隣接するパイロット孔形成領域と、鋼板送り方向でパイロット孔形成領域に隣接した、第1のコア片27のバックヨーク形成部25aにおける、一方の縁部25cの凹面と他方の縁部25dの凸面とを形成する第1の縁部面形成領域と、鋼板送り方向で第1の縁部面形成領域に隣接した、第2のコア片28のバックヨーク形成部25aにおける、一方の縁部25cの凸面と他方の縁部25dの凹面とを形成する第2の縁部面形成領域と、鋼板送り方向で第2の縁部面形成領域に隣接したカシメ孔形成領域と、鋼板送り方向でカシメ孔形成領域に隣接した、抜きカシメ用凹凸部形成領域とが、設けられている。   Although not shown, the press die 73 of the present embodiment includes a pilot hole forming region adjacent to the steel plate carry-in side of the press die 73 and a first core piece adjacent to the pilot hole forming region in the steel plate feeding direction. 27, a first edge surface forming region for forming a concave surface of one edge portion 25c and a convex surface of the other edge portion 25d, and a first edge surface forming region in the steel sheet feed direction. 2nd edge surface formation area which forms the convex surface of one edge part 25c and the concave surface of the other edge part 25d in the back yoke formation part 25a of the 2nd core piece 28 adjacent to, and a steel plate feed direction Then, there are provided a caulking hole forming area adjacent to the second edge surface forming area, and an uneven caulking unevenness forming area adjacent to the caulking hole forming area in the steel sheet feeding direction.

しかし、本実施の形態のパイロット孔形成領域は、矢印Vで示す鋼板送り方向と直交する方向である鋼板15の幅方向の両端にある2個のパイロット孔15aとは別に、鋼板15における鋼板送り方向の前方部に、鋼板の幅方向に一列に並んだ複数個の第2のパイロット孔15cを形成する構造となっている。   However, the pilot hole formation region of the present embodiment is different from the two pilot holes 15a at both ends in the width direction of the steel plate 15 which is a direction orthogonal to the steel plate feed direction indicated by the arrow V, and the steel plate feed in the steel plate 15 is A plurality of second pilot holes 15c arranged in a line in the width direction of the steel plate are formed in the front part of the direction.

また、図12に示すように、プレス金型73には、鋼板送り方向で抜きカシメ用凹凸部形成領域に隣接して無加工領域F3が設けられている。
また、鋼板送り方向で無加工領域F3に隣接して、バックヨーク形成部25aが鋼板搬入口50a側に向き且つ鋼板搬入口50a側に位置する、同時に打抜かれる一方の列61の第1のコア片27と同時に打抜かれる一方の列63の第2のコア片28とを交互に打抜く、鋼板搬入口側コア片打抜き領域G3が設けられている。
また、鋼板送り方向で鋼板搬入口側コア片打抜き領域G3に隣接して、バックヨーク形成部25aがプレス金型73の鋼板搬出口50b側に向き且つ鋼板搬出口50b側に位置する、同時に打抜かれる他方の列62の第1のコア片27と同時に打抜かれる他方の列64の第2のコア片28とを交互に打抜く、鋼板搬出口側コア片打抜き領域H3が設けられている。
Further, as shown in FIG. 12, the press die 73 is provided with a non-working region F3 adjacent to the punching uneven portion forming region in the steel plate feeding direction.
Further, adjacent to the non-working region F3 in the steel sheet feeding direction, the back yoke forming portion 25a faces the steel plate carry-in entrance 50a side and is located on the steel plate carry-in entrance 50a side. A steel plate carry-in side core piece punching region G3 is provided in which the second core pieces 28 of one row 63 punched simultaneously with the core pieces 27 are punched alternately.
In addition, the back yoke forming portion 25a faces the steel plate carry-out port 50b side of the press die 73 and is located on the steel plate carry-out port 50b side adjacent to the steel plate carry-in side core piece punching region G3 in the steel plate feed direction. There is provided a steel piece unloading side core piece punching region H3 for alternately punching the second core pieces 28 of the other row 64 punched simultaneously with the first core pieces 27 of the other row 62 to be punched. .

また、鋼板搬入口側コア片打抜き領域G3と鋼板搬出口側コア片打抜き領域H3とには、打抜かれたコア片のカシメ孔27bまたは打抜かれたコア片の抜きカシメ用凹部に、打抜かれたコア片の抜きカシメ用凸部を嵌合させて積層したものを、バックヨーク形成部外周面25bと磁極ティース形成部側面26bとに側圧を作用させながら、カシメ部27aを抜きカシメで連結する機構を備えている。   Further, the steel plate carry-in side core piece punching region G3 and the steel plate carry-out side core piece punching region H3 were punched into the caulking hole 27b of the punched core piece or the concave recess for caulking of the punched core piece. A mechanism in which the caulking portion 27a is connected by the caulking portion while applying a lateral pressure to the back yoke forming portion outer peripheral surface 25b and the magnetic teeth forming portion side surface 26b, which is formed by fitting and laminating the protruding portions of the core pieces and fitting them. It has.

また、鋼板搬入口側コア片打抜き領域G3の下部には、鋼板搬入口側コア片打抜き領域G3で打抜かれた、一方の列61の第1のコア片27と一方の列63の第2のコア片28とを交互に積層し連結して形成された複数の分割電機子鉄心24を取出す、取出し口(図示せず)が設けられており、取出し口部には、分割電機子鉄心24を鋼板送り方向と略直角な方向に搬出する第1の電動コンベア(図示せず)を備えている。
また、鋼板搬出口側コア片打抜き領域H3の下部には、鋼板搬出口側コア片打抜き領域H3で打抜かれた、他方の列62の第1のコア片27と他方の列64の第2のコア片28とを交互に積層し連結して形成された複数の分割電機子鉄心24を取出す、取出し口(図示せず)が設けられており、取出し口部には、分割電機子鉄心24を鋼板送り方向と略直角な方向に搬出する第2の電動コンベア(図示せず)を備えている。
In addition, at the lower part of the steel plate loading / unloading side core piece punching region G3, the first core piece 27 of one row 61 and the second of the first row 63 are punched in the steel plate loading / unloading side core piece punching region G3. A plurality of split armature cores 24 formed by alternately stacking and connecting the core pieces 28 are provided, and a takeout port (not shown) is provided, and the split armature cores 24 are provided in the takeout port portion. A first electric conveyor (not shown) for carrying out in a direction substantially perpendicular to the steel sheet feeding direction is provided.
Further, in the lower part of the steel plate unloading side core piece punching region H3, the first core piece 27 of the other row 62 and the second of the other row 64 punched in the steel plate unloading side core piece punching region H3 are provided. A plurality of split armature cores 24 formed by alternately stacking and connecting the core pieces 28 are provided, and a takeout port (not shown) is provided, and the split armature cores 24 are provided in the takeout port portion. A second electric conveyor (not shown) for carrying out in a direction substantially perpendicular to the steel plate feeding direction is provided.

本実施の形態の製造装置300で作製され、各電動コンベアで搬出された複数の分割電機子鉄心24も、各々に分離できるので、実施の形態1の分割電機子鉄心4と同様にして、電機子及び回転電機に用いることができる。
本実施の形態の分割電機子鉄心の製造装置300は、一方の列61の第1のコア片27と一方の列63の第2のコア片28とでなる6個の分割電機子鉄心24と、他方の列62の第1のコア片27と他方の列64の第2のコア片28とでなる6個の分割電機子鉄心24とが、同時に作製できるので、生産性がさらに優れている。
Since the plurality of divided armature cores 24 manufactured by the manufacturing apparatus 300 of the present embodiment and carried out by the respective electric conveyors can also be separated from each other, in the same manner as the divided armature core 4 of the first embodiment, It can be used for a child and a rotating electric machine.
The split armature core manufacturing apparatus 300 according to the present embodiment includes six split armature cores 24 including the first core pieces 27 in one row 61 and the second core pieces 28 in one row 63. Since the six divided armature cores 24 composed of the first core piece 27 in the other row 62 and the second core piece 28 in the other row 64 can be manufactured at the same time, the productivity is further improved. .

また、一方の列の第1のコア片27と第2のコア片28とでなる6個の分割電機子鉄心24と、他方の列の第1のコア片27と第2のコア片28とでなる6個の分割電機子鉄心24とが、共にバックヨーク部25が一列に並んで整列された状態で各電動コンベアにより搬出されるので、例えば、後工程である磁極ティース部26へのインシュレータ7の取付け工程への、一括した搬送、投入が容易である。
また、磁極ティース部26の突出方向が、鋼板の送り方向と同方向となる分割電機子鉄心24を作製できるので、鋼板15の異方性の影響を受けにくく、回転電機とした時のトルク脈動を低減できる。
In addition, six divided armature cores 24 composed of the first core piece 27 and the second core piece 28 in one row, the first core piece 27 and the second core piece 28 in the other row, Are divided by the respective electric conveyors with the back yoke portions 25 aligned in a line. For example, the insulator to the magnetic pole teeth portion 26, which is a subsequent process, is carried out. It is easy to carry and feed them into the mounting process 7 at once.
Further, since the split armature core 24 in which the protruding direction of the magnetic teeth portion 26 is the same as the feeding direction of the steel plate can be manufactured, the torque pulsation when the rotating electric machine is made less susceptible to the anisotropy of the steel plate 15. Can be reduced.

また、少なくともバックヨーク形成部外周面25bと磁極ティース形成部側面26bとに側圧を作用させながら抜きカシメを行い、第1のコア片27と第2のコア片28とを連結するので、寸法ばらつきのない安定した分割電機子鉄心24を作製できる。
また、打抜かれた、一方の列61の第1のコア片27と一方の列63の第2のコア片28とを第1の電動コンベアで直接受け取り、且つ、打抜かれた、他方の列62の第1のコア片27と他方の列64の第2のコア片28とを第2の電動コンベアで直接受け取りようになっているので、複数の分割電機子鉄心24の整列状態を維持しながら搬出することができる。
Further, since the first core piece 27 and the second core piece 28 are connected by performing the caulking while applying a side pressure to at least the outer peripheral surface 25b of the back yoke forming portion and the side surface 26b of the magnetic pole teeth, dimensional variation A stable segmented armature core 24 without a gap can be produced.
Further, the punched first core piece 27 of one row 61 and the second core piece 28 of one row 63 are directly received by the first electric conveyor, and the other row 62 punched is punched. Since the first core piece 27 and the second core piece 28 of the other row 64 are directly received by the second electric conveyor, the alignment state of the plurality of divided armature cores 24 is maintained. Can be carried out.

また、一方の列61の第1のコア片27と他方の列62の第1のコア片27とを千鳥状に配置して打抜くとともに、一方の列63の第2のコア片28と他方の列64の第2のコア片28とを千鳥状に配置して打抜くので、鋼板15の材料歩留りが優れている。
また、鋼板15の幅方向の両端の2個のパイロット孔15aとは別に、鋼板15の鋼板送り方向前方部に、幅方向へ一列に並んだ複数個の第2のパイロット孔15cを形成するので、幅が広い鋼板を用いても、鋼板を精度良く位置決めすることが可能である。
第1のコア片27と第2のコア片28とを交互に積層して形成される分割電機子鉄心24を作製できるので、隣接する分割電機子鉄心24のバックヨーク部25の端部同士を重ねることができ、堅固な電機子を形成できる。
In addition, the first core piece 27 in one row 61 and the first core piece 27 in the other row 62 are arranged in a staggered manner and punched, and the second core piece 28 in one row 63 and the other Since the second core pieces 28 of the row 64 are arranged in a staggered manner and punched out, the material yield of the steel plate 15 is excellent.
In addition to the two pilot holes 15a at both ends in the width direction of the steel plate 15, a plurality of second pilot holes 15c arranged in a line in the width direction are formed in the front portion in the steel plate feed direction of the steel plate 15. Even if a wide steel plate is used, it is possible to accurately position the steel plate.
Since the split armature core 24 formed by alternately laminating the first core pieces 27 and the second core pieces 28 can be manufactured, the ends of the back yoke portions 25 of the adjacent split armature cores 24 are connected to each other. They can be stacked and a solid armature can be formed.

また、本実施の形態の電機子及び回転電機は、構成する分割電機子鉄心24が上記のような効果を有するので、低コスト化と高性能化と高精度化とが可能である。
本実施の形態の製造装置300では、一列に並んで同時に打抜かれる一方の列61の第1のコア片27と、一列に並んで同時に打抜かれる他方の列62の第1のコア片27と、一列に並んで同時に打抜かれる一方の列63の第2のコア片28と、一列に並んで同時に打抜かれる他方の列64の第2のコア片28との各々が6個であるが、これに限定されない。しかし、3個以上であることが好ましい。
Further, in the armature and the rotating electric machine according to the present embodiment, since the divided armature core 24 to be configured has the effects as described above, it is possible to reduce the cost, improve the performance, and increase the accuracy.
In the manufacturing apparatus 300 of the present embodiment, the first core pieces 27 in one row 61 that are simultaneously punched in a row and the first core pieces 27 in the other row 62 that are simultaneously punched in a row. And the number of the second core pieces 28 in one row 63 that are simultaneously punched in a row and the number of the second core pieces 28 in the other row 64 that are simultaneously punched in a row is six. However, it is not limited to this. However, it is preferably 3 or more.

本実施の形態の製造装置300では、第2のパイロット孔15cを形成できるようになっているが、鋼板の幅方向に配列するコア片が少ない場合は、第2のパイロット孔15cを形成する構造でなくても良い。
また、パイロット孔形成領域を、鋼板の幅方向両端の2個のパイロット孔とは別に、鋼板15における鋼板送り方向前方部の幅方向に、一列に並んだ複数個の第2のパイロット孔15cを形成する構造にすることは、実施の形態1のプレス金型71と実施の形態2のプレス金型72とに適用でき、同様の効果を奏する。
In the manufacturing apparatus 300 of the present embodiment, the second pilot hole 15c can be formed. However, when there are few core pieces arranged in the width direction of the steel sheet, the structure that forms the second pilot hole 15c. Not necessarily.
In addition to the two pilot holes at both ends in the width direction of the steel plate, the pilot hole forming region includes a plurality of second pilot holes 15c arranged in a row in the width direction of the front portion of the steel plate 15 in the steel plate feeding direction. The structure to be formed can be applied to the press die 71 of the first embodiment and the press die 72 of the second embodiment, and has the same effect.

なお、本発明は、その発明の範囲内において、各実施の形態を自由に組み合わせたり、各実施の形態を適宜、変形、省略することが可能である。   It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

本発明に係わる分割電機子鉄心の製造装置は、コア片の作製数を多くでき且つ分割電機子鉄心片の打抜きと積層連結とを同時にでき分割電機子鉄心の生産性向上が図れるとともに、回転電機に用いた場合にトルク脈動の発生がしにくい分割電機子鉄心を作製できるので、生産性に優れ低コスト化と高性能化とが要求される回転電機の製造に用いられる。   The split armature core manufacturing apparatus according to the present invention can increase the number of core pieces to be manufactured, and can simultaneously perform punching and stacking of the split armature core pieces to improve the productivity of the split armature core, and Therefore, it is possible to produce a split armature core that is less likely to generate torque pulsation when used in a rotating electrical machine that is excellent in productivity and requires low cost and high performance.

1 回転電機、4 分割電機子鉄心、4a 抜きカシメ部、5 バックヨーク部、
5a バックヨーク形成部、5b バックヨーク形成部外周面、6 磁極ティース部、
6a 磁極ティース形成部、6b 磁極ティース形成部側面、7 インシュレータ、
8 電線、9 分割電機子、10 電機子、11 ロータ、12 永久磁石、
13 ハウジング、15 鋼板、15a パイロット孔、15b 隙間、
15c 第2のパイロット孔、17 コア片、17a カシメ部、17b カシメ孔、
17c 抜きカシメ用凹凸部、18 巻線機、24 分割電機子鉄心、
24a 抜きカシメ部、25 バックヨーク部、25a バックヨーク形成部、
25b バックヨーク形成部外周面、25c 一方の縁部、25d 他方の縁部、
26 磁極ティース部、26a 磁極ティース形成部、
26b 磁極ティース形成部側面、27 第1のコア片、27a カシメ部、
27b カシメ孔、27c 抜きカシメ用凹凸部、28 第2のコア片、
50a 鋼板搬入口、50b 鋼板搬出口、51 一方の列、52 他方の列、
53a 第1の電動コンベア、53b 第2の電動コンベア、53c 電動コンベア、
61 一方の列、62 他方の列、63 一方の列、64 他方の列、
71 プレス金型、72 プレス金型、73 プレス金型、
100,200,300 分割電機子鉄心の製造装置。
1 rotating electric machine, 4 split armature core, 4a crimping part, 5 back yoke part,
5a Back yoke forming part, 5b Back yoke forming part outer peripheral surface, 6 magnetic pole tooth part,
6a magnetic tooth forming part, 6b magnetic tooth forming part side surface, 7 insulator,
8 electric wires, 9 divided armatures, 10 armatures, 11 rotors, 12 permanent magnets,
13 housing, 15 steel plate, 15a pilot hole, 15b gap,
15c 2nd pilot hole, 17 core piece, 17a caulking part, 17b caulking hole,
17c Uneven portion for caulking, 18 winding machine, 24 split armature core,
24a Exhaust caulking part, 25 Back yoke part, 25a Back yoke forming part,
25b Back yoke formation part outer peripheral surface, 25c One edge part, 25d The other edge part,
26 magnetic tooth portion, 26a magnetic tooth forming portion,
26b side surface of magnetic teeth forming portion, 27 first core piece, 27a caulking portion,
27b Caulking hole, 27c Uneven portion for caulking, 28 Second core piece,
50a Steel plate carry-in port, 50b Steel plate carry-out port, 51 One row, 52 The other row,
53a first electric conveyor, 53b second electric conveyor, 53c electric conveyor,
61 one row, 62 the other row, 63 one row, 64 the other row,
71 press mold, 72 press mold, 73 press mold,
100, 200, 300 Split armature core manufacturing equipment.

Claims (7)

コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部と上記バックヨーク部の中央から突出した磁極ティース部とを備えた略T字状の分割電機子鉄心を作製する分割電機子鉄心の製造装置であって、
プレス金型と鋼板を送る鋼板送り機構とを備えており、
上記プレス金型が、鋼板の送り方向と直交する方向である上記鋼板の幅方向に二列に並び且つ千鳥状に配置される、一方の列の複数の上記コア片と他方の列の複数の上記コア片とを、同時に打抜かれる上記コア片の隣接するバックヨーク形成部の間に所定の隙間が設けられた状態で打抜くようになっており、
上記鋼板の幅方向の両端部に、上記鋼板の位置を決めるパイロット孔を打抜くパイロット孔形成領域と、
上記コア片のカシメ部形成位置にカシメ孔を打抜くカシメ孔形成領域と、
上記鋼板送り方向で上記カシメ孔形成領域に隣接して、上記バックヨーク形成部が、上記プレス金型の鋼板搬入口側に向くとともに上記鋼板搬入口側に配置され且つ上記鋼板の幅方向に並ぶ、上記一方の列のコア片となる部位の上記カシメ部形成位置に、抜きカシメ用凹凸部を形成する第1の抜きカシメ用凹凸部形成領域と、
上記バックヨーク部を形成する上記一方の列の複数のコア片を打抜く、鋼板搬入口側コア片打抜き領域と、
上記バックヨーク形成部が、上記プレス金型の鋼板搬出口側に向くとともに上記鋼板搬出口側に配置され且つ上記鋼板の幅方向に並ぶ、上記他方の列のコア片となる部位の上記カシメ部形成位置に、上記抜きカシメ用凹凸部を形成する第2の抜きカシメ用凹凸部形成領域と、
上記他方の列の複数のコア片を打抜く、鋼板搬出口側コア片打抜き領域と、を備えており、
上記鋼板搬入口側コア片打抜き領域と上記鋼板搬出口側コア片打抜き領域とが所定距離離間して設けられている分割電機子鉄心の製造装置。
A split armature for producing a substantially T-shaped split armature core having core pieces stacked and connected by caulking and having a back yoke portion and a magnetic teeth portion protruding from the center of the back yoke portion. An iron core manufacturing device,
It is equipped with a press die and a steel plate feed mechanism that feeds steel plates.
The press molds are arranged in two rows in the width direction of the steel plate, which is a direction orthogonal to the feeding direction of the steel plate, and are arranged in a staggered manner. The core piece is punched in a state where a predetermined gap is provided between adjacent back yoke forming portions of the core piece to be punched simultaneously,
Pilot hole forming regions for punching pilot holes for determining the position of the steel plate at both ends in the width direction of the steel plate,
A crimping hole forming region for punching a crimping hole at a crimping part forming position of the core piece,
Adjacent to the caulking hole forming region in the steel plate feeding direction, the back yoke forming portion faces the steel plate carry-in port side of the press mold and is arranged on the steel plate carry-in port side and is arranged in the width direction of the steel plate. A first caulking concave / convex part forming region for forming a caulking concave / convex part at the caulking part forming position of the portion to be the core piece of the one row,
Punching out a plurality of core pieces of the one row forming the back yoke portion, a steel sheet carry-in entrance side core piece punching region; and
The caulking portion of the portion serving as the core piece of the other row, wherein the back yoke forming portion faces the steel plate carry-out side of the press die and is arranged on the steel plate carry-out side and is arranged in the width direction of the steel plate. A second caulking concave / convex portion forming region for forming the concave / crimped concave / convex portion at a formation position;
Punching out the plurality of core pieces in the other row, and a steel piece unloading side core piece punching region, and
An apparatus for manufacturing a split armature core, wherein the steel plate carry-in side core piece punching area and the steel plate carry-out side core piece punching area are provided with a predetermined distance therebetween.
コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部と上記バックヨーク部の中央から突出した磁極ティース部とを備えた略T字状の分割電機子鉄心を作製する分割電機子鉄心の製造装置であって、
プレス金型と鋼板を送る鋼板送り機構とを備えており、
上記プレス金型が、鋼板の送り方向と直交する方向である上記鋼板の幅方向に一列に並ぶ、バックヨーク形成部の、一方の縁部が凹面であり他方の縁部が凸面である第1のコア片と、上記バックヨーク形成部の、上記一方の縁部が凸面であり上記他方の縁部が凹面である第2のコア片とを、同時に打抜かれる上記コア片の隣接する上記バックヨーク形成部の間に所定の隙間が設けられた状態で交互に打抜くようになっており、
上記鋼板の幅方向の両端部に上記鋼板の位置を決めるパイロット孔を打抜くパイロット孔形成領域と、
上記第1のコア片の上記一方の縁部の凹面と上記他方の縁部の凸面とを形成する第1の縁部面形成領域と、
上記第2のコア片の上記一方の縁部の凸面と上記他方の縁部の凹面とを形成する第2の縁部面形成領域と、
上記第1のコア片または上記第2のコア片のカシメ部形成位置に、カシメ孔を打抜くカシメ孔形成領域と、
上記第1のコア片または上記第2のコア片の上記カシメ部形成位置に、抜きカシメ用凹凸部を形成する抜きカシメ用凹凸部形成領域と、
上記第1のコア片と上記第2のコア片とを交互に打抜く、コア片打抜き領域と、を備えている分割電機子鉄心の製造装置。
A split armature for producing a substantially T-shaped split armature core having core pieces stacked and connected by caulking and having a back yoke portion and a magnetic teeth portion protruding from the center of the back yoke portion. An iron core manufacturing device,
It is equipped with a press die and a steel plate feed mechanism that feeds steel plates.
The press die is arranged in a row in the width direction of the steel sheet, which is a direction orthogonal to the feeding direction of the steel sheet. The back yoke forming portion has one edge that is concave and the other edge is convex. Of the back yoke forming portion, and the second core piece having a convex surface at the one edge and a concave surface at the other edge, and the back adjacent to the core piece to be punched simultaneously. It is designed to alternately punch in a state where a predetermined gap is provided between the yoke forming portions,
A pilot hole forming region for punching pilot holes for determining the position of the steel plate at both ends in the width direction of the steel plate,
A first edge surface forming region that forms a concave surface of the one edge of the first core piece and a convex surface of the other edge;
A second edge surface forming region that forms the convex surface of the one edge of the second core piece and the concave surface of the other edge;
A crimping hole forming region for punching a crimping hole at a crimping part forming position of the first core piece or the second core piece;
A relief caulking uneven part forming region for forming an exhaust caulking uneven part at the caulking part forming position of the first core piece or the second core piece;
An apparatus for manufacturing a split armature core, comprising: a core piece punching region in which the first core piece and the second core piece are punched alternately.
コア片を積層し抜きカシメで連結され、且つ平面形状がバックヨーク部と上記バックヨーク部の中央から突出した磁極ティース部とを備えた略T字状の分割電機子鉄心を作製する分割電機子鉄心の製造装置であって
プレス金型と鋼板を送る鋼板送り機構とを備えており、
上記プレス金型が、鋼板の送り方向と直交する方向である上記鋼板の幅方向に二列に並び且つ千鳥状に配置した、バックヨーク形成部の一方の縁部が凹面であり他方の縁部が凸面である第1のコア片と、上記鋼板の幅方向に二列に並び且つ千鳥状に配置した、上記バックヨーク形成部の上記一方の縁部が凸面であり上記他方の縁部が凹面である第2のコア片とを、同時に打抜かれる上記コア片の隣接する上記バックヨーク形成部の間に所定の隙間が設けられた状態で、交互に打抜くようになっており、
上記鋼板の幅方向の両端部に上記鋼板の位置を決めるパイロット孔を打抜くパイロット孔形成領域と、
上記第1のコア片の上記一方の縁部の凹面と上記他方の縁部の凸面とを形成する第1の縁部面形成領域と、
上記第2のコア片の上記一方の縁部の凸面と上記他方の縁部の凹面とを形成する第2の縁部面形成領域と、
カシメ孔形成領域と、抜きカシメ用凹凸部形成領域と、
上記バックヨーク形成部が、上記プレス金型の鋼板搬入口側に向き且つ上記鋼板搬入口側に位置する、一方の列の上記第1のコア片と一方の列の上記第2のコア片とを交互に打抜く、鋼板搬入口側コア片打抜き領域と、
上記バックヨーク形成部が、上記プレス金型の鋼板搬出口側に向き且つ上記鋼板搬出口側に位置する、他方の列の上記第1のコア片と他方の列の上記第2のコア片とを交互に打抜く、鋼板搬出口側コア片打抜き領域と、を備えており、
上記鋼板搬入口側コア片打抜き領域と上記鋼板搬出口側コア片打抜き領域とが所定距離離間して設けられている分割電機子鉄心の製造装置。
A split armature for producing a substantially T-shaped split armature core having core pieces stacked and connected by caulking and having a back yoke portion and a magnetic teeth portion protruding from the center of the back yoke portion. It is an iron core manufacturing device, equipped with a press die and a steel plate feed mechanism for feeding steel plates,
The press die is arranged in two rows in the width direction of the steel sheet, which is a direction orthogonal to the feeding direction of the steel sheet, and is arranged in a staggered manner. The first core piece is a convex surface, and the one edge of the back yoke forming portion arranged in two rows and in a staggered manner in the width direction of the steel plate is a convex surface and the other edge is a concave surface The second core pieces are simultaneously punched in a state where a predetermined gap is provided between the back yoke forming portions adjacent to the core pieces to be punched simultaneously,
A pilot hole forming region for punching pilot holes for determining the position of the steel plate at both ends in the width direction of the steel plate,
A first edge surface forming region that forms a concave surface of the one edge of the first core piece and a convex surface of the other edge;
A second edge surface forming region that forms the convex surface of the one edge of the second core piece and the concave surface of the other edge;
A caulking hole forming region, and a concave and convex portion forming region for removing caulking,
The first yoke piece in one row and the second core piece in one row, wherein the back yoke forming portion is located on the steel plate carry-in side of the press die and located on the steel plate carry-in side. Alternately punching the steel plate inlet side core piece punching area,
The back yoke forming portion is located on the steel plate carry-out side of the press mold and located on the steel plate carry-out side, and the first core piece in the other row and the second core piece in the other row A core piece punching area on the steel sheet carry-out port side,
An apparatus for manufacturing a split armature core, wherein the steel plate carry-in side core piece punching area and the steel plate carry-out side core piece punching area are provided with a predetermined distance therebetween.
上記プレス金型の上記コア片打抜き領域が設けられている位置に上記分割電機子鉄心の取出し口が設けられ、上記取出し口部に上記分割電機子鉄心の搬出機構が設けられている、請求項1から請求項3のいずれか1項に記載の分割電機子鉄心の製造装置。 The division armature core take-out port is provided at a position where the core piece punching region of the press mold is provided, and a take-out mechanism for the split armature core is provided at the take-out port portion. The apparatus for manufacturing a split armature core according to any one of claims 1 to 3. 上記パイロット孔形成領域が、上記鋼板の幅方向の両端のパイロット孔とともに、上記鋼板における上記鋼板送り方向の前方部に、上記鋼板の幅方向に一列に並んだ複数個の第2のパイロット孔を形成する構造となっていることを特徴とする請求項1から請求項4のいずれか1項に記載の分割電機子鉄心の製造装置。 A plurality of second pilot holes arranged in a row in the width direction of the steel plate are formed in the pilot hole forming region, along with pilot holes at both ends in the width direction of the steel plate, at a front portion of the steel plate in the steel plate feeding direction. The split armature core manufacturing apparatus according to any one of claims 1 to 4, wherein the split armature core manufacturing apparatus has a structure to be formed. 請求項1から請求項5のいずれか1項に記載の分割電機子鉄心の製造装置で作製された分割電機子鉄心の上記磁極ティース部にインシュレータを介して電線を巻回して形成した分割電機子の複数個を環状に配置して形成したことを特徴とする電機子。 A split armature formed by winding an electric wire around the magnetic pole teeth of the split armature core manufactured by the split armature core manufacturing apparatus according to any one of claims 1 to 5. An armature characterized by being formed by arranging a plurality of rings in a ring shape. 請求項6に記載の電機子と、上記電機子の内周側に、同心円状に配置され且つ上記電機子の内周と対向する面に永久磁石が設けられたロータと、上記電機子と上記ロータとを保持するハウジングとを備えてなることを特徴とする回転電機。 The armature according to claim 6, a rotor arranged concentrically on the inner peripheral side of the armature and provided with a permanent magnet on a surface facing the inner periphery of the armature, the armature, and the above A rotating electrical machine comprising a housing for holding a rotor.
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