JP6813253B1 - Series winding machine - Google Patents

Series winding machine Download PDF

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JP6813253B1
JP6813253B1 JP2020553676A JP2020553676A JP6813253B1 JP 6813253 B1 JP6813253 B1 JP 6813253B1 JP 2020553676 A JP2020553676 A JP 2020553676A JP 2020553676 A JP2020553676 A JP 2020553676A JP 6813253 B1 JP6813253 B1 JP 6813253B1
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needle
cylinder
gear
servomotor
inner cylinder
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JPWO2022013989A1 (en
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細野聖二
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E−Tec株式会社
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/08Forming windings by laying conductors into or around core parts
    • H02K15/095Forming windings by laying conductors into or around core parts by laying conductors around salient poles

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Abstract

【課題】構造が簡単で、高い精度で巻線位置までコイル線を誘導することができ、高速で、高い整列精度で巻線させることができるだけでなく、コイル線の太さがかわっても対応できる汎用性が高い直巻式巻線機を提供することである。【解決手段】コイル線を案内するニードルを進退させる進退手段を、内面側ギアを有する一対の平行軸体と、前記平行軸体に挟まれた歯車と、歯車を移動させる移動手段とを備えさせ、サーボモータにより歯車の移動量と移動方向を制御させて、ニードルを進退させるようにし、ニードルを揺動させる揺動手段を、カム盤とカムフォロアとサーボモータとを備えさせ、ニードルを高速で周回させた場合に、摺動される部分、噛合される部分を空間で囲って、潤滑油を噴霧させた。【選択図】図1PROBLEM TO BE SOLVED: To provide a simple structure, to guide a coil wire to a winding position with high accuracy, to wind the coil wire at high speed and with high alignment accuracy, and to cope with changes in the thickness of the coil wire. It is to provide a series winding machine having high versatility. SOLUTION: The advancing / retreating means for advancing / retreating a needle for guiding a coil wire is provided with a pair of parallel shaft bodies having inner surface side gears, a gear sandwiched between the parallel shaft bodies, and a moving means for moving the gears. , The movement amount and movement direction of the gear are controlled by the servo motor so that the needle moves forward and backward, and the swing means for swinging the needle is provided with a cam board, a cam follower, and a servo motor, and the needle rotates at high speed. In this case, the sliding portion and the meshed portion were surrounded by a space and the lubricating oil was sprayed. [Selection diagram] Fig. 1

Description

本発明は、コイル線を案内して巻線させるニードルの先端を、環状に配列された磁極ティースの周囲に周回させると共に径方向に進退させる直巻式巻線機に関する。より詳細には、構造が簡単で、高い精度で巻線位置までコイル線を誘導することができ、高速で、高い整列精度で巻線させることができるだけでなく、コイル線の太さがかわっても対応できる汎用性が高い直巻式巻線機に関する。 The present invention relates to a series-wound winding machine in which the tip of a needle for guiding and winding a coil wire is circulated around magnetic pole teeth arranged in an annular shape and is moved forward and backward in the radial direction. More specifically, the structure is simple, the coil wire can be guided to the winding position with high accuracy, it can be wound at high speed and with high alignment accuracy, and the thickness of the coil wire changes. Regarding a series-wound winding machine with high versatility that can also be used.

電動機をなすステータコアは、軸心に向かって延びる磁極ティースが環状に配列されている。ニードルは、磁極ティースの隙間を通過できる幅とされ、内部にコイル線を案内させる貫通孔を備え、その中を通してコイル線を巻線位置まで案内させている。直巻式巻線機においては、隣り合う磁極ティースの隙間を、ニードルの先端が周回運動されて、磁極ティースにコイル線を巻線させている。 The stator core forming the electric motor has magnetic pole teeth extending toward the axis arranged in an annular shape. The needle has a width that allows it to pass through the gap between the magnetic pole teeth, and has a through hole for guiding the coil wire inside, and guides the coil wire to the winding position through the through hole. In the series winding type winding machine, the tip of the needle is rotated around the gap between adjacent magnetic pole teeth to wind the coil wire around the magnetic pole teeth.

直巻式巻線機は、コイル線を磁極ティースの周りに一周回させる毎に、ニードルをコイル線一本分の寸法で径方向に進退させて、コイル線を磁極ティースに高い整列精度で巻線させている。より具体的には、ニードルの先端を磁極ティースの径方向の外側又は内側から他方に向けて移動させ、下層のコイル線を巻線させてから、上層のコイル線はニードルの先端を反対方向に移動させるようにし、巻線を重ねている。 In the series winding machine, each time the coil wire is made to go around the magnetic pole tooth, the needle is moved forward and backward in the radial direction by the size of one coil wire, and the coil wire is wound around the magnetic pole tooth with high alignment accuracy. I'm making a line. More specifically, the tip of the needle is moved from the outer or inner side in the radial direction of the magnetic pole tooth toward the other, the lower coil wire is wound, and then the upper coil wire reverses the tip of the needle. The windings are piled up so that they can be moved.

ニードルを進退させる技術として、螺旋状のカム溝を刻設させてカム板とした円盤と、カムフォロアを設けたニードルを径方向に摺動自在に配設させた円盤を重ねて、複数のニードルをステータコアの径方向に進退させる技術が知られている。2つの円盤が、外筒と、コイル線を案内させる内筒により回動自在に個別に支えられて、外筒と内筒の回動に位相差がない状態ではニードルが進退されず、位相差が発生された状態ではニードルが進退するようにされている。 As a technique for advancing and retreating needles, a disk in which a spiral cam groove is engraved to form a cam plate and a disk in which needles provided with cam followers are slidably arranged in the radial direction are stacked to form a plurality of needles. A technique for advancing and retreating the stator core in the radial direction is known. The two disks are rotatably and individually supported by the outer cylinder and the inner cylinder that guides the coil wire, and the needle does not advance or retreat when there is no phase difference between the rotation of the outer cylinder and the inner cylinder, and the phase difference. The needle is made to move forward and backward in the state where is generated.

特許文献1と特許文献2には、本出願人が発明した巻線機の技術が開示されている。この2つの文献には、ステータコアに高速で高い整列精度で巻線させる巻線機の技術が開示されている。具体的には、これらの巻線機によれば、軸方向の昇降運動と、周方向の揺動運動とを合成させて、ステータコアの磁極ティースの周囲に、ニードルを略長円形状をなすように運動させ、コイル線を磁極ティースに巻線させている。 Patent Document 1 and Patent Document 2 disclose the technique of the winding machine invented by the applicant. These two documents disclose the technique of a winding machine that winds a stator core at high speed and with high alignment accuracy. Specifically, according to these winding machines, the ascending / descending motion in the axial direction and the swinging motion in the circumferential direction are combined to form a substantially oval shape around the magnetic pole teeth of the stator core. The coil wire is wound around the magnetic pole teeth.

より詳細には、ニードルの先端がスロットを通っている間は、ニードルの軌道が略長円形状の直線軌道をなすように、昇降運動だけをさせている。そして、ニードルがスロットの端部に至ると、昇降運動に揺動運動が加わり、円弧軌道をなすようにニードルの先端を移動させている。ニードルが、磁極ティースを跨いで隣のスロットまで揺動運動されてから、隣のスロットの中を反対方向に昇降運動される。すなわちスロットの外部を運動中においてのみ揺動運動が発生され、揺動運動と昇降運動が合成されている。 More specifically, while the tip of the needle passes through the slot, only the ascending / descending motion is performed so that the trajectory of the needle forms a linear orbit having a substantially oval shape. Then, when the needle reaches the end of the slot, a swinging motion is added to the ascending / descending motion to move the tip of the needle so as to form an arc trajectory. The needle swings across the magnetic pole teeth to the adjacent slot, and then moves up and down in the adjacent slot in the opposite direction. That is, the oscillating motion is generated only while exercising outside the slot, and the oscillating motion and the ascending / descending motion are combined.

特許文献1には、ニードル周回手段の技術が開示されている。この技術によれば、第1のサーボモータの回転運動を直線運動変換手段によりニードルの昇降運動に変換させていた。また第2のサーボモータの回転運動を往復揺動運動変換手段による所定の振幅のニードルの揺動運動に変換させていた。そして昇降運動と揺動運動を合成させてニードルを周回運動させていた。往復揺動運動変換手段には、カム機構を備えさせ、往の揺動運動、停止状態、復の揺動運動、停止状態の順に繰り返させていた。 Patent Document 1 discloses a technique of needle circulation means. According to this technique, the rotational motion of the first servomotor is converted into the elevating motion of the needle by the linear motion converting means. Further, the rotary motion of the second servomotor is converted into the swing motion of the needle having a predetermined amplitude by the reciprocating swing motion conversion means. Then, the elevating motion and the oscillating motion were combined to make the needle orbit. The reciprocating rocking motion converting means was provided with a cam mechanism, and was repeated in the order of the forward rocking motion, the stopped state, the returning rocking motion, and the stopped state.

特許文献1に記載の技術によれば、各々のサーボモータを一方向のみに回転させているため、モータが反転する際のオーバーシュートが発生しない。オーバーシュートによる振動が発生しないため、ニードルの先端の軌道が設定軌道から外れにくく、コイル線の整列精度を高くすることができた。しかし、往復揺動運動変換手段を、カム機構と変形されない軸体を組みあわせたリンク機構とから構成し、揺動運動を発生させていた。そのため、より高速の巻線をしようとすると、リンク機構自体の慣性質量により設計外の振動が発生しやすくなるという課題があった。 According to the technique described in Patent Document 1, since each servomotor is rotated in only one direction, overshoot does not occur when the motor reverses. Since vibration due to overshoot does not occur, the trajectory of the tip of the needle does not easily deviate from the set trajectory, and the alignment accuracy of the coil wires can be improved. However, the reciprocating swing motion conversion means is composed of a cam mechanism and a link mechanism in which an undeformed shaft body is combined to generate swing motion. Therefore, when trying to wind at a higher speed, there is a problem that undesigned vibration is likely to occur due to the inertial mass of the link mechanism itself.

特許文献2には、ニードル進退手段の技術が開示されている。特許文献2に記載の技術によれば、サーボモータを正逆回転させて、サーボモータが発生させた回転運動を、外筒の側面に、外筒の軸方向と交差する方向に伝達させていた。そして、自在接手を備えた軸体によりその回転運動を、ウォームとウォームホイールからなるウォームギアに伝達させて、外筒を揺動運動させていた。 Patent Document 2 discloses a technique of needle advancing / retreating means. According to the technique described in Patent Document 2, the servomotor is rotated in the forward and reverse directions, and the rotational motion generated by the servomotor is transmitted to the side surface of the outer cylinder in a direction intersecting the axial direction of the outer cylinder. .. Then, the rotational movement was transmitted to the worm gear composed of the worm and the worm wheel by the shaft body provided with the universal joint, and the outer cylinder was oscillated.

この発明によれば、タイミングベルトを使っていないため、ウォームとウォームホイールとの咬合位置がずれず、内筒と外筒の同期状態が変化せず、コイル線の整列精度を高くすることができた。しかし、サーボモータの回転運動を、自在接手を備えた軸体によりウォームギアに伝達させ、ウォームホイールを回転させるという機構は複雑であるため、より巻線を高速化するため、ニードル進退手段の構造を簡単な構造にすることが課題とされた。 According to the present invention, since the timing belt is not used, the occlusal position of the worm and the worm wheel does not shift, the synchronization state of the inner cylinder and the outer cylinder does not change, and the alignment accuracy of the coil wires can be improved. It was. However, since the mechanism of transmitting the rotational movement of the servomotor to the worm gear by a shaft body equipped with a free contact and rotating the worm wheel is complicated, the structure of the needle advancing / retreating means is required to speed up the winding. The challenge was to make it a simple structure.

特許文献1:国際公開2018−078758号公報
特許文献2:国際公開2018−078759号公報
Patent Document 1: International Publication No. 2018-078758 Patent Document 2: International Publication No. 2018-078759

本発明が解決しようとする課題は、構造が簡単で、高い精度で巻線位置までコイル線を誘導することができ、高速で、高い整列精度で巻線させることができるだけでなく、コイル線の太さがかわっても対応できる汎用性が高い直巻式巻線機を提供することである。 The problem to be solved by the present invention is that the structure is simple, the coil wire can be guided to the winding position with high accuracy, the coil wire can be wound at high speed and with high alignment accuracy, and the coil wire can be wound. The purpose is to provide a highly versatile series-wound winding machine that can handle changes in thickness.

本発明の第1の発明は、環状をなす複数の磁極ティースの周囲にニードルの先端を周回させてコイル線を巻線させる直巻式巻線機において、前記ニードルの進退手段と昇降手段と揺動手段と、前記コイル線を案内させる筒体と、ニードルを進退させる重ねられた2つの円盤とを含み、前記筒体が、内筒と、前記内筒に沿って延びる第1外筒と第2外筒とからなり、一方の前記円盤は螺旋状のカム溝を有し、他方の前記円盤は径方向に延びる直線状のニードル摺動溝を有し、各々の前記円盤は、前記内筒又は第1外筒のいずれか一方に支えられて一体に回動され、前記内筒と第1外筒とは回動のみが許容されて一体に昇降され、第1外筒と第2外筒とは昇降のみが許容され一体に回動される直巻式巻線機であって、前記進退手段が、一対の平行軸体と、歯車と、前記歯車を前記平行軸体と平行に移動させる移動手段とを有し、各々の平行軸体が内面側ギアを備えると共に、前記筒体を挟んで前記筒体の軸方向に交差される方向に平行に伸び、前記歯車が、前記一対の平行軸体の間に配設され、前記内筒と同期して回動される外筒をなす外部内筒と、第2外筒とは夫々外面周囲が重なった位置に外周ギアを有し、各々の前記内面側ギアが、前記内筒と第2外筒のいずれか一方の外面周囲に備えられた外周ギアに噛合されると共に前記歯車の外周ギアに噛合され、前記移動手段が、前記歯車の位置を移動させることにより、前記内筒と第1外筒との回動に位相差を発生させ、前記位相差に応じて、前記ニードルが有する突部が前記カム溝に沿って摺動され、前記ニードルの先端が前記ニードル摺動溝に沿って径方向に進退されることを特徴としている。 The first invention of the present invention is a series-wound winding machine in which the tip of a needle is wound around a plurality of annular magnetic pole teeth to wind a coil wire, and the needle advance / retreat means, elevating means, and shaking A moving means, a cylinder for guiding the coil wire, and two stacked disks for advancing and retreating the needle are included, and the cylinder includes an inner cylinder, and a first outer cylinder and a first outer cylinder extending along the inner cylinder. It consists of two outer cylinders, one of which has a spiral cam groove, the other of which has a linear needle sliding groove extending in the radial direction, and each of the disks has an inner cylinder. Alternatively, it is supported by either one of the first outer cylinders and is rotated integrally, and the inner cylinder and the first outer cylinder are allowed to rotate only and are moved up and down integrally, and the first outer cylinder and the second outer cylinder are integrally rotated. Is a series-wound winding machine that is allowed to move up and down only and is rotated integrally, and the advancing / retreating means moves a pair of parallel shaft bodies, a gear, and the gear in parallel with the parallel shaft body. Each parallel shaft body has a moving means, and each parallel shaft body is provided with an inner surface side gear, and extends in parallel in a direction intersecting the axial direction of the cylinder body with the cylinder body in between, and the gears are aligned with the pair. The outer inner cylinder, which is arranged between the shafts and forms an outer cylinder that rotates in synchronization with the inner cylinder, and the second outer cylinder each have outer gears at positions where the outer surfaces overlap with each other. The inner surface side gear is meshed with the outer peripheral gear provided around the outer surface of either the inner cylinder or the second outer cylinder, and is meshed with the outer peripheral gear of the gear, and the moving means is of the gear. By moving the position, a phase difference is generated in the rotation of the inner cylinder and the first outer cylinder, and the protrusion of the needle is slid along the cam groove according to the phase difference. The tip of the needle is moved forward and backward in the radial direction along the needle sliding groove.

ステータコアの磁極ティースにコイル線を巻線させるニードルを径方向に進退させる進退手段は、一対の平行軸体と、平行軸体に挟まれた歯車と、歯車を移動させる移動手段とからなっている。一方の平行軸体の内面側ギアを内筒の外周ギアに、他方の平行軸体の内面側ギアを第2外筒の外周ギアに、夫々噛合させると共に、一対の平行軸体の間に配設された歯車の両側の外周ギアを一対の平行軸体の内面側ギアに夫々噛合させている。歯車と、筒体をなす内筒と第2外筒とが一対の平行軸体に挟まれていることにより、歯車の移動方向と移動量を移動手段により変えて、内筒の回転と第2外筒の回転との位相差を変えることができる。 The advancing / retreating means for advancing / retracting the needle for winding the coil wire around the magnetic pole teeth of the stator core in the radial direction includes a pair of parallel shaft bodies, a gear sandwiched between the parallel shaft bodies, and a moving means for moving the gears. .. The inner surface side gear of one parallel shaft body is meshed with the outer peripheral gear of the inner cylinder, and the inner surface side gear of the other parallel shaft body is meshed with the outer peripheral gear of the second outer cylinder, respectively, and arranged between the pair of parallel shaft bodies. The outer peripheral gears on both sides of the provided gears are meshed with the inner surface side gears of the pair of parallel shaft bodies, respectively. Since the gear, the inner cylinder forming the cylinder, and the second outer cylinder are sandwiched between the pair of parallel shaft bodies, the movement direction and the amount of movement of the gear are changed by the moving means, and the rotation of the inner cylinder and the second outer cylinder are performed. The phase difference with the rotation of the outer cylinder can be changed.

まず内筒と第2外筒の回転の方向について説明する。筒体をなす内筒を正転させると、内筒の一方の外周面に噛合された一方の平行軸体は内筒の正転方向に移動される。歯車を移動させないとすると、歯車は正転方向に回転され、他方の平行軸体は一方の平行軸体と反対方向に移動される。他方の平行軸体の内面側は内筒と重なった位置の第2外筒の反対側の外周面に噛合しているため、内筒と同じ角速度で同期した状態で回転される。そして内筒に固定された円盤と第2外筒に固定された円盤とは同期して回転されるため、ニードルが有する突起が螺旋状のカム溝に沿って移動することがなく、ニードルは進退されない。 First, the rotation directions of the inner cylinder and the second outer cylinder will be described. When the inner cylinder forming the cylinder is rotated in the normal direction, the one parallel shaft body meshed with one outer peripheral surface of the inner cylinder is moved in the normal rotation direction of the inner cylinder. If the gear is not moved, the gear is rotated in the forward rotation direction, and the other parallel shaft body is moved in the direction opposite to that of one parallel shaft body. Since the inner surface side of the other parallel shaft body meshes with the outer peripheral surface on the opposite side of the second outer cylinder at a position overlapping the inner cylinder, it is rotated in a state of being synchronized with the inner cylinder at the same angular velocity. Since the disk fixed to the inner cylinder and the disk fixed to the second outer cylinder are rotated in synchronization, the protrusion of the needle does not move along the spiral cam groove, and the needle advances and retreats. Not done.

また、歯車を回転させないようにして一対の軸体と歯車とを一体に移動させる状態で、内筒を正転させると、他方の平行軸体の内面側は内筒と重なった位置の第2外筒の反対側の外周面に噛合しているため、第2外筒と内筒とは、同じ角速度で反転されるようになる。筒体と歯車との距離を接近又は離間させるように、移動手段により歯車を移動させることにより、ニードルを進出又は後退させることができる。 Further, when the inner cylinder is rotated in the normal direction while the pair of shaft bodies and the gear are integrally moved without rotating the gears, the inner surface side of the other parallel shaft body is the second position where it overlaps with the inner cylinder. Since it meshes with the outer peripheral surface on the opposite side of the outer cylinder, the second outer cylinder and the inner cylinder are inverted at the same angular velocity. The needle can be advanced or retracted by moving the gear by the moving means so that the distance between the cylinder and the gear is approached or separated.

ニードルは、磁極ティースの周りを一周回される毎に、コイル線1本分の寸法で、軸方向に進出又は後退されるため、小さな位相差が発生されればよい。そのため、歯車の移動量は小さく、移動手段をなすサーボモータも小型のものでよい。サーボモータにより歯車の移動量を制御することは容易であり、コイル線の太さを変えた場合には、ニードル一周回毎の歯車の移動量を変更させればよく、コイル線の太さの変更にも対応可能である。 Each time the needle goes around the magnetic pole tooth, it advances or retracts in the axial direction with the size of one coil wire, so that a small phase difference may be generated. Therefore, the amount of movement of the gear is small, and the servomotor serving as the moving means may be small. It is easy to control the amount of movement of the gear by the servo motor, and when the thickness of the coil wire is changed, the amount of movement of the gear for each rotation of the needle may be changed. It is possible to respond to changes.

第1発明によれば、進退手段が簡単な構造とされ、一対の平行軸体と歯車とは機械的に噛合されているためゆるみや狂いが発生せず、高い精度でニードルを進退させることができる。また、コイル線の太さがかわっても、歯車の移動量を制御することにより、容易に対応することができる。これにより、より高速でコイル線を巻線させても、高い整列精度で巻線させることができると共に汎用性が高い巻線機とすることができるという効果を奏する。 According to the first invention, the advancing / retreating means has a simple structure, and since the pair of parallel shafts and the gear are mechanically meshed with each other, loosening or deviation does not occur, and the needle can be advanced / retracted with high accuracy. it can. Further, even if the thickness of the coil wire changes, it can be easily dealt with by controlling the amount of movement of the gear. This has the effect that even if the coil wire is wound at a higher speed, it can be wound with high alignment accuracy and a highly versatile winding machine can be obtained.

本発明の第2の発明の直巻式巻線機は、第1の発明の直巻式巻線機において、前記昇降手段が、前記内筒と第1外筒とを昇降させる昇降駆動用の第1サーボモータと、第1サーボモータが発生させた回転運動を前記内筒と第1外筒の昇降運動に変換させる運動方向変換手段とを備え、前記揺動手段が、前記筒体の軸に沿って回転されるカム盤と、一対のカムフォロアと、前記カム盤のみを回転させる第2サーボモータとを備え、前記カム盤が、盤面が湾曲された円盤状とされ、前記一対のカムフォロアが、前記外部内筒の外周面に、前記カム盤を挟んで配設され、前記カム盤を一方向のみに回転させて前記内筒を揺動させ、前記昇降手段と、前記揺動手段の一周期の時間を同一とさせるように制御して、第1サーボモータと第2サーボモータを個別に駆動させていることを特徴としている。 The series-wound winding machine of the second invention of the present invention is the series-wound winding machine of the first invention for raising and lowering the raising and lowering means for raising and lowering the inner cylinder and the first outer cylinder. The first servomotor and the motion direction changing means for converting the rotational motion generated by the first servomotor into the elevating motion of the inner cylinder and the first outer cylinder are provided, and the swinging means is the shaft of the cylinder. A cam board that is rotated along a line, a pair of cam followers, and a second servomotor that rotates only the cam board. The cam board has a disk shape with a curved board surface, and the pair of cam followers , The cam board is interposed on the outer peripheral surface of the outer inner cylinder, and the cam board is rotated in only one direction to swing the inner cylinder, and one of the lifting means and the swinging means. It is characterized in that the first servomotor and the second servomotor are individually driven by controlling so that the cycle times are the same.

本発明の第2の発明によれば、昇降手段と揺動手段とをそれぞれ独立されたサーボモータにより駆動させ、ニードルが設定された周回軌道を描くように、昇降手段と揺動手段の一周期の時間を合わせるように制御している。周回軌道のいずれかの区域において、各々のサーボモータのいずれか一方の回転運動の速度を制御して、他方のサーボモータの回転運動の速度に対して、相対的に加減速させれば、ニードルの周回軌道を頂部の位置をずらした偏長円軌道を描くように巻線させることができる。 According to the second invention of the present invention, the elevating means and the swinging means are driven by independent servomotors, and one cycle of the lifting means and the swinging means is drawn so that the needle draws a set orbit. It is controlled to match the time of. In any area of the orbit, if the speed of the rotational movement of one of the respective servomotors is controlled and accelerated / decelerated relative to the speed of the rotational movement of the other servomotor, the needle It is possible to wind the orbit of the above so as to draw an oblong circular orbit with the position of the top shifted.

盤面が湾曲された円盤状をなすカム盤を一方向に回転させるだけで、カム盤を挟んだカムフォロアが揺動され、カムフォロアが配設されている内筒がいずれか一方の円盤と一体に揺動されている。揺動手段を簡単な構造として、揺動を発生させる第2サーボモータと、カム盤とを一方向のみに回転させているだけなので、停止又は反転の際に発生しやすい目標値を超えることにより揺り戻し等の設計外の振動が発生しにくい。また、揺動手段をなすカム盤の慣性質量も小さいため、短周期で回転速度を加減速させて揺動を繰り返させても、揺動の反転の際に設計外の振動が発生されない。 By simply rotating the cam disc, which has a curved disc shape, in one direction, the cam followers that sandwich the cam disc are swung, and the inner cylinder in which the cam followers are arranged swings integrally with one of the discs. It is being moved. Since the swinging means has a simple structure and the second servomotor that generates swinging and the cam board are rotated in only one direction, the target value that tends to occur when stopping or reversing is exceeded. Undesigned vibration such as rocking back is unlikely to occur. Further, since the inertial mass of the cam board serving as the swinging means is small, even if the swinging speed is accelerated / decelerated in a short cycle and the swinging is repeated, undesigned vibration is not generated when the swinging is reversed.

揺動手段が簡単な構造であることに加えて、揺動の反転の際に設計外の振動が発生されにくく、ニードルの先端の軌道が、設定された軌道からずれない。これにより、ニードルをより高速で周回させても、コイル線をゆるみのない高い整列精度で巻線させることができる。具体的には、ステータコアの両端面に装着される絶縁体の形状にあわせるようにニードルの周回軌道を制御させることができると共に、コイル線の巻き重ね高さに応じた張力で巻線させることもできる。 In addition to the simple structure of the swinging means, undesigned vibration is unlikely to occur when the swing is reversed, and the trajectory of the tip of the needle does not deviate from the set trajectory. As a result, even if the needle is rotated at a higher speed, the coil wire can be wound with high alignment accuracy without loosening. Specifically, the orbit of the needle can be controlled so as to match the shape of the insulator mounted on both end faces of the stator core, and the coil wire can be wound with a tension according to the winding height of the coil wire. it can.

本発明の第3の発明は、第2の発明の直巻式巻線機であって、第1回転盤と第2回転盤とからなる破損防止手段を有し、第1回転盤は、前記カム盤と連動して平行に回転され、第2回転盤は、第1サーボモータにより回転され、第1回転盤と第2回転盤とは向かい合って配列されると共に、第1回転盤には凸部が備えられ、第2回転盤には凸部を遊嵌させる周方向に延びる長穴が備えられ、第2サーボモータが正常に駆動しているときは、前記長穴のなかで前記凸部を遊嵌させた状態で、第1サーボモータと第2サーボモータが個別に駆動され、第2サーボモータが機能停止されたときには、前記凸部が前記長穴の下流側に接した状態で、第1サーボモータのみで前記揺動手段も駆動され、前記ニードルがステータコアの端部に衝突されないことを特徴としている。 The third invention of the present invention is the series winding type winding machine of the second invention, which has a damage prevention means including a first turntable and a second turntable, and the first turntable is described above. It is rotated in parallel with the cam board, the second turntable is rotated by the first servomotor, the first turntable and the second turntable are arranged facing each other, and the first turntable is convex. The second turntable is provided with an elongated hole extending in the circumferential direction for loosely fitting the convex portion, and when the second servomotor is normally driven, the convex portion in the elongated hole is provided. When the first servomotor and the second servomotor are individually driven and the second servomotor is stopped functioning in the state of being loosely fitted, the convex portion is in contact with the downstream side of the elongated hole. The swinging means is also driven only by the first servomotor, and the needle does not collide with the end of the stator core.

第3の発明によれば、第2サーボモータが正常に機能している状態では、向かい合った一方の回転盤の凸部が、他方の回転盤の長穴に遊嵌されていることにより、二つのサーボモータを相対的に加減速させることができる。これにより、ニードルの周回軌道を偏長円軌道とさせて、コイル線を高い整列精度で巻線することができる。 According to the third invention, in the state where the second servomotor is functioning normally, the convex portions of one of the rotating disks facing each other are loosely fitted into the elongated holes of the other rotating disk. One servomotor can be relatively accelerated / decelerated. As a result, the orbit around the needle can be made into an elliptical circular orbit, and the coil wire can be wound with high alignment accuracy.

一方、巻線させている途中で第2サーボモータが機能停止された場合には、破損防止手段をなす長穴の端部に凸部を支持させた状態で第1回転盤と第2回転盤とを一体に回転させ、第1サーボモータだけで周回軌道を長円軌道とさせて巻線させる。これにより、ニードルをステータコアに衝突させることがなく、直巻式巻線機の破損を防ぐことができるという有利な効果を奏する。 On the other hand, if the second servomotor stops functioning during winding, the first and second turntables are supported by the convex portion at the end of the elongated hole that serves as a damage prevention means. And are integrally rotated, and the orbit is made into an oval orbit and wound only by the first servomotor. As a result, the needle does not collide with the stator core, and the series winding machine can be prevented from being damaged, which is an advantageous effect.

本発明の第4の発明は、第2又は第3の発明の直巻式巻線機であって、前記平行軸体の内面側ギアと内筒の外周ギアの噛合位置、前記平行軸体の内面側ギアと第2外筒の外周ギアの噛合位置と、前記平行軸体の内面側ギアと歯車の外周ギアとの噛合位置と、前記カム盤とカムフォロアとの摺動位置と、前記運動方向変換手段とが、潤滑油が噴霧される閉鎖された空間の中に配設され、前記潤滑油が循環供給されることを特徴としている。 The fourth invention of the present invention is the series winding type winding machine of the second or third invention, in which the meshing position of the inner surface side gear of the parallel shaft body and the outer peripheral gear of the inner cylinder, and the meshing position of the parallel shaft body. The meshing position of the inner surface side gear and the outer peripheral gear of the second outer cylinder, the meshing position of the inner surface side gear of the parallel shaft body and the outer peripheral gear of the gear, the sliding position of the cam board and the cam follower, and the movement direction. The conversion means is arranged in a closed space where the lubricating oil is sprayed, and the lubricating oil is circulated and supplied.

ニードルを高速で周回させた場合には、摺動される部分が発熱されやすく、消耗されやすい。従来から、摺動抵抗を小さくし発熱と消耗を抑えるために潤滑油が供給されている。ところが、ニードルを高速で周回させるために揺動駆動を高速化させると、慣性力により潤滑油が飛散され、周囲が汚損されると共に、周辺機器を劣化させる恐れがある。 When the needle is rotated at high speed, the sliding portion tends to generate heat and is easily consumed. Conventionally, lubricating oil has been supplied in order to reduce sliding resistance and suppress heat generation and consumption. However, if the swing drive is speeded up in order to rotate the needle at high speed, the lubricating oil may be scattered by the inertial force, the surroundings may be polluted, and the peripheral equipment may be deteriorated.

第4の発明によれば、摺動により発熱・消耗がされる摺動部分を閉鎖された空間に配設させると共に、潤滑油を噴霧させ、潤滑油を循環供給させている。これにより、直巻式巻線機の周囲に潤滑油を飛散させることがなく、巻線機を正常に機能させ、巻線機の耐用年数を高めることができるという有利な効果を奏する。 According to the fourth invention, the sliding portion that generates heat and is consumed by sliding is arranged in a closed space, and the lubricating oil is sprayed to circulate and supply the lubricating oil. As a result, the lubricating oil does not scatter around the series winding machine, the winding machine functions normally, and the service life of the winding machine can be extended, which is an advantageous effect.

本発明の第5の発明は、第4の発明の直巻式巻線機であって、前記空間が、分割されて配置されていることを特徴としている。第5の発明によれば、潤滑油が噴霧される閉鎖された空間が分割されて配置されているため、夫々の噴霧空間を小さくすることができる。 A fifth aspect of the present invention is the series winding machine of the fourth invention, characterized in that the space is divided and arranged. According to the fifth invention, since the closed space in which the lubricating oil is sprayed is divided and arranged, each spraying space can be reduced.

・本発明の第1の発明によれば、構造が簡単で、ゆるみや狂いが発生されにくく、高い精度でニードルを進退させることができると共に、コイル線の太さがかわっても、容易に対応することができ、高速でコイル線を巻線させても、高い整列精度で巻線させることができると共に汎用性が高い巻線機とすることができるという効果を奏する。
・本発明の第2の発明によれば、簡単な構造であるだけでなく、ニードルの先端の軌道が、設定させた軌道からずれず、より高速でニードルを周回させても、高い整列精度でコイル線を巻線させることができ、ニードルの周回軌道を制御させることもできる。
・本発明の第3の発明によれば、ニードルの周回軌道を偏長円軌道とさせて、コイル線を高い整列精度で巻線することができるだけでなく、揺動用の駆動手段が機能停止した場合でも、ニードルをステータコアに衝突させることがなく、直巻式巻線機の破損を防ぐことができるという有利な効果を奏する。
・本発明の第4の発明によれば、直巻式巻線機の周囲に潤滑油を飛散させることがなく、巻線機を正常に機能させ、巻線機の耐用年数を高めることができるという有利な効果を奏する。
・本発明の第5の発明によれば、潤滑油が噴霧される閉鎖された空間が分割されて配置されているため、夫々の噴霧空間を小さくすることができる。
-According to the first invention of the present invention, the structure is simple, loosening and deviation are less likely to occur, the needle can be moved forward and backward with high accuracy, and even if the thickness of the coil wire is changed, it can be easily dealt with. Even if the coil wire is wound at high speed, it can be wound with high alignment accuracy and a highly versatile winding machine can be obtained.
-According to the second invention of the present invention, not only the structure is simple, but also the trajectory of the tip of the needle does not deviate from the set trajectory, and even if the needle is orbited at a higher speed, the alignment accuracy is high. The coil wire can be wound, and the orbit around the needle can be controlled.
-According to the third invention of the present invention, not only can the coil wire be wound with high alignment accuracy by making the orbit around the needle an elliptical circular orbit, but also the driving means for rocking has stopped functioning. Even in this case, the needle does not collide with the stator core, and the advantage effect is that the series winding machine can be prevented from being damaged.
-According to the fourth invention of the present invention, the winding machine can function normally and the service life of the winding machine can be extended without scattering the lubricating oil around the series winding type winding machine. It has an advantageous effect.
-According to the fifth invention of the present invention, since the closed space where the lubricating oil is sprayed is divided and arranged, each spraying space can be reduced.

直巻式巻線機の全体構成図(実施例1)。Overall configuration diagram of a series winding machine (Example 1). ニードルの進退運動・昇降運動・揺動運動の説明図(実施例1)。Explanatory drawing of needle advance / retreat movement / up / down movement / swing movement (Example 1). 筒体の垂直方向断面及び水平方向断面による説明図(実施例1)。Explanatory drawing by vertical cross section and horizontal cross section of a cylinder (Example 1). 進退手段の説明図(実施例1)。Explanatory drawing of advancing and retreating means (Example 1). ニードルの周回軌道の制御についての説明図(実施例1)。Explanatory drawing about control of the orbit of a needle (Example 1). 直巻式巻線機の全体構成図(実施例2)。Overall configuration diagram of a series winding machine (Example 2). 凸部及び長孔の説明図(実施例2)。Explanatory drawing of a convex portion and a long hole (Example 2). 第2サーボモータが機能停止された場合における周回軌道の説明図(実施例2)。Explanatory drawing of the orbit when the second servomotor is stopped (Example 2).

コイル線を案内するニードルを進退させる進退手段を、内面側ギアを有する一対の平行軸体と、前記平行軸体に挟まれた歯車と、歯車を移動させる移動手段とを備えた簡単な構成とさせた。サーボモータにより歯車の移動量を制御させることにより、高い整列精度で巻線を可能にすると共に、コイル線の太さを変えた場合でも対応できるように汎用性を高くさせた。また、ニードルを揺動させる揺動手段を、カム盤とカムフォロアとサーボモータとを備えた簡単な構成とさせ、慣性質量を小さくさせ、内筒を短周期で揺動させても設計外の振動が発生されにくくした。これにより、巻線の整列精度が高いだけでなく、より速く巻線できる直巻式巻線機とさせた。 A simple configuration in which the advancing / retreating means for advancing / retreating the needle for guiding the coil wire includes a pair of parallel shaft bodies having internal gears, gears sandwiched between the parallel shaft bodies, and moving means for moving the gears. I let you. By controlling the amount of movement of the gears with a servomotor, winding is possible with high alignment accuracy, and versatility is increased so that even if the thickness of the coil wire is changed, it can be handled. In addition, the swinging means for swinging the needle has a simple configuration equipped with a cam board, a cam follower, and a servomotor to reduce the inertial mass, and even if the inner cylinder is swung in a short cycle, vibration outside the design Is less likely to occur. This not only has high winding alignment accuracy, but also makes it a series winding machine that can wind faster.

実施例1においては、図1から図5を参照して揺動手段と進退手段が個別に駆動されている直巻式巻線機1を説明する。図1は直巻式巻線機1の全体構成を斜視図により示している。理解を容易にするため、図1においては潤滑油が噴霧される空間を、破線で囲って示している。 In the first embodiment, the series winding machine 1 in which the swinging means and the advancing / retreating means are individually driven will be described with reference to FIGS. 1 to 5. FIG. 1 is a perspective view showing the overall configuration of the series winding machine 1. For ease of understanding, in FIG. 1, the space where the lubricating oil is sprayed is shown by a broken line.

図2(A)図は、ニードルの進退運動・昇降運動・揺動運動を斜視図により示している。図2(B)図は、重ねられた2つの円盤の軸芯から周方向にニードルが進退する作用を説明する平面図である。図3は、筒体の構成を説明する垂直方向断面図である。図4は、進退手段の作用とニードルの進退運動の説明図である。図5は、ニードルの周回軌道を偏長円とさせる場合の軌道制御の説明図である。 FIG. 2 (A) shows the advance / retreat movement, the elevating movement, and the swinging movement of the needle in a perspective view. FIG. 2B is a plan view illustrating the action of the needle advancing and retreating in the circumferential direction from the axis of the two stacked disks. FIG. 3 is a vertical cross-sectional view illustrating the configuration of the tubular body. FIG. 4 is an explanatory diagram of the action of the advancing / retreating means and the advancing / retreating movement of the needle. FIG. 5 is an explanatory diagram of trajectory control when the orbit around the needle is made into an oblong circle.

直巻式巻線機1は、コイル線を案内させるニードル10を側方に突出させる重ねられた2つの円盤20(図2(A)図参照)と、コイル線を円盤20まで誘導させる筒体30と、ニードル10の進退手段40、昇降手段50、揺動手段60(図1参照)とを備えている。ニードル10の先端を、ステータコア100(図2(B)図破線参照)をなす磁極ティース101の周囲で長円軌道を描くように周回させると共に、径方向にコイル線1本分の寸法で進退させて、磁極ティース101の周囲に、コイル線200が隙間なく隣り合うように、下層から上層にコイル線を巻き重ねている。 The series winding machine 1 includes two stacked disks 20 (see FIG. 2 (A)) in which a needle 10 for guiding the coil wire is projected sideways, and a cylinder for guiding the coil wire to the disk 20. The needle 10 includes an advancing / retreating means 40, an elevating means 50, and a swinging means 60 (see FIG. 1). The tip of the needle 10 is rotated so as to draw an elliptical orbit around the magnetic pole tooth 101 forming the stator core 100 (see the broken line in FIG. 2B), and is advanced and retracted in the radial direction by the size of one coil wire. The coil wires are wound around the magnetic pole teeth 101 from the lower layer to the upper layer so that the coil wires 200 are adjacent to each other without a gap.

具体的には、ニードル10は、昇降手段50によりステータコア100の軸方向に上昇と下降とを交互に繰り返す昇降運動がされ、揺動手段60によりステータコアの周方向に往の揺動、停止状態、復の揺動、停止状態の順で繰り返す揺動運動がされる(図1,図2(A)図参照)。これらの昇降運動と揺動運動とが合成されることにより、磁極ティース101の周囲を、ニードル10は長円軌道を描いて周回運動される。ニードル10は、進退手段40により磁極ティースの外径方向又は内径方向に進退運動され、コイル線は先に巻線されたコイル線の隣に順に巻線される。 Specifically, the needle 10 is moved up and down by the elevating means 50 by alternately repeating ascending and descending in the axial direction of the stator core 100, and the swinging means 60 causes the stator core to swing and stop in the circumferential direction. The rocking motion is repeated in the order of the return swing and the stopped state (see FIGS. 1 and 2 (A)). By combining these ascending / descending motions and rocking motions, the needle 10 orbits around the magnetic pole teeth 101 in an elliptical orbit. The needle 10 is moved back and forth in the outer diameter direction or the inner diameter direction of the magnetic pole teeth by the advancing / retreating means 40, and the coil wire is wound in order next to the coil wire wound earlier.

筒体30は、基台300に対して上下に延び、基台の上方には、軸心側から内筒31、第1外筒32、第2外筒33の順に三つの筒が配設されている(図3参照)。基台300の下方では、内筒31は二重にされ、外部内筒310が基台に対して軸動可能に配設されている。内部内筒311は、外部内筒310と同期して軸動されつつ、上下方向に外部内筒に対して相対的に昇降可能とされている。内部内筒311は、中心にコイル線200を送出させる筒状空間312を有し、外部内筒310の端面から上部においては内筒31をなしている。 The tubular body 30 extends vertically with respect to the base 300, and three cylinders are arranged above the base in the order of the inner cylinder 31, the first outer cylinder 32, and the second outer cylinder 33 from the axial center side. (See Fig. 3). Below the base 300, the inner cylinder 31 is doubled, and the outer inner cylinder 310 is arranged so as to be axially movable with respect to the base. The inner inner cylinder 311 is axially moved in synchronization with the outer inner cylinder 310, and can move up and down relative to the outer inner cylinder in the vertical direction. The inner inner cylinder 311 has a tubular space 312 in which the coil wire 200 is sent out at the center, and forms an inner cylinder 31 from the end face of the outer inner cylinder 310 to the upper part.

外部内筒310の下方部には、盤面が湾曲されると共に垂直方向に回転されるカム盤61が隣接して配設される。また外部内筒310は、前記カム盤61を両側から挟む一対のカムフォロア62を備えている。揺動手段60(図1参照)をなすカム盤61が回転されると(図3矢印参照)、カム盤の湾曲された盤面63を挟んで配設された一対のカムフォロア62とともに外部内筒310が揺動される。また、基台300の外部内筒と対向する内周面には、円柱形状とされた複数の滑動部材301が環状に配設され、外部内筒310が基台300に対して回動可能かつ昇降されないように支持されている。 A cam board 61 whose board surface is curved and which is rotated in the vertical direction is adjacent to the lower portion of the outer inner cylinder 310. Further, the outer inner cylinder 310 includes a pair of cam followers 62 that sandwich the cam board 61 from both sides. When the cam board 61 forming the swinging means 60 (see FIG. 1) is rotated (see the arrow in FIG. 3), the outer inner cylinder 310 together with the pair of cam followers 62 arranged across the curved board surface 63 of the cam board. Is rocked. Further, on the inner peripheral surface of the base 300 facing the outer inner cylinder, a plurality of cylindrical sliding members 301 are arranged in an annular shape so that the outer inner cylinder 310 can rotate with respect to the base 300. It is supported so that it cannot be raised or lowered.

外部内筒310の内側と内部内筒311の外側の夫々には、対向する位置に複数のボール313が縦方向に循環される循環溝314が備えられ(図3参照)、ボール313が前記循環溝314の中を滑動されることにより、内部内筒311は外部内筒310に対して、同期して回動されると共に昇降運動が許容される。内部内筒を外部内筒に対して昇降運動させる支持方法は上記に限定されず、筋状の凸部と凹部とが嵌合された状態とされていてもよい。基台300の上部において外部内筒310の頂部には、進退手段40(図1参照)をなす一対の平行軸体と噛合される外周ギア315が備えられている。 Each of the inner side of the outer inner cylinder 310 and the outer side of the inner inner cylinder 311 is provided with a circulation groove 314 in which a plurality of balls 313 are circulated in the vertical direction at opposite positions (see FIG. 3), and the balls 313 circulate. By sliding in the groove 314, the inner inner cylinder 311 is rotated synchronously with respect to the outer inner cylinder 310, and an ascending / descending movement is allowed. The support method for moving the inner inner cylinder up and down with respect to the outer inner cylinder is not limited to the above, and the streaky convex portion and the concave portion may be fitted to each other. At the top of the outer inner cylinder 310 at the top of the base 300, an outer peripheral gear 315 that meshes with a pair of parallel shafts forming the advancing / retreating means 40 (see FIG. 1) is provided.

重ねられた2つの円盤20がニードルを上下から挟み、周面からニードルを進退させるニードルヘッド部をなしている(図2(A)図参照)。ニードルヘッド部には、内筒の軸心から外径方向に放射状に等間隔に三本のニードル10,10,10が配設され、同時に三か所の磁極ティースに巻線を行うことが可能とされている(図2(B)図参照)。各々のニードル10の下面には、下方円盤21の天面に備えられた螺旋状のカム溝22に摺動される、カムフォロアをなす突部11が備えられている(図2(B)図、図3参照)。 Two stacked disks 20 form a needle head portion that sandwiches the needle from above and below and advances and retreats the needle from the peripheral surface (see FIG. 2 (A)). Three needles 10, 10 and 10 are arranged radially at equal intervals in the outer diameter direction from the axis of the inner cylinder in the needle head portion, and winding can be performed on three magnetic pole teeth at the same time. (See Fig. 2 (B)). The lower surface of each needle 10 is provided with a protrusion 11 forming a cam follower, which is slid on a spiral cam groove 22 provided on the top surface of the lower disk 21 (FIG. 2 (B), FIG. (See FIG. 3).

上方円盤23は内筒31と一体をなし、上方円盤23の下面には、ニードルを径方向に摺動させる直線状のニードル摺動溝24を備えている。下方円盤21は第1外筒32と一体をなし、第1外筒32は、内筒31と周方向の回動は許容された状態で、内筒と一体に昇降される。 The upper disk 23 is integrated with the inner cylinder 31, and the lower surface of the upper disk 23 is provided with a linear needle sliding groove 24 for sliding the needle in the radial direction. The lower disk 21 is integrated with the first outer cylinder 32, and the first outer cylinder 32 is moved up and down integrally with the inner cylinder while being allowed to rotate in the circumferential direction with the inner cylinder 31.

内筒31と第1外筒32とが同期して揺動されている場合には、下方円盤21と上方円盤23も同期して回転されているため、突部11が螺旋状のカム溝22(図2(B)図破線参照)に沿って移動することがないため、ニードル10は進退されない。一方、内筒31と第1外筒32とに位相差が発生された場合には、螺旋状のカム溝22に沿って突部11が移動されるため、ニードル摺動溝24に沿ってニードル10が進退される。 When the inner cylinder 31 and the first outer cylinder 32 are oscillated in synchronization, the lower disk 21 and the upper disk 23 are also rotated in synchronization, so that the protrusion 11 is a spiral cam groove 22. The needle 10 does not move forward or backward because it does not move along (see the broken line in FIG. 2B). On the other hand, when a phase difference is generated between the inner cylinder 31 and the first outer cylinder 32, the protrusion 11 is moved along the spiral cam groove 22, so that the needle is needled along the needle sliding groove 24. 10 is advanced and retreated.

実施例1においては、下方円盤21の螺旋状のカム溝22を、軸心から外周にかけて反時計回りに刻設させているため(図2(B)図破線参照)、下方円盤21を上方円盤23に対して相対的に反時計回りに回動させれば、突部11は軸心に向かって後退され、下方円盤21を上方円盤23に対して相対的に時計回りに回動させれば、突部11は外周方向に進出される(図4(B)図参照)。 In the first embodiment, since the spiral cam groove 22 of the lower disk 21 is engraved counterclockwise from the axis to the outer circumference (see the broken line in FIG. 2B), the lower disk 21 is the upper disk. If the protrusion 11 is rotated counterclockwise relative to the 23, the protrusion 11 is retracted toward the axial center, and if the lower disk 21 is rotated clockwise relative to the upper disk 23, the protrusion 11 is retracted. , The protrusion 11 is advanced in the outer peripheral direction (see FIG. 4 (B)).

第2外筒33は、基台300に対して昇降されないように回動可能に支持され、第2外筒33の内部には、内筒31と第1外筒32とが昇降可能に挿通されている。第2外筒33と第1外筒32とは、相互の内面の対応する位置に、軸方向に伸びる筋状の溝部330と凸部320が備えられ(図3破線参照)、昇降のみが許容されている。第1外筒と内筒に位相差が発生されない状態で、第2外筒33の中を第1外筒32と内筒31が昇降されるときには、隣り合った磁極ティース101,101の隙間102(図2参照)を昇降される直線状の軌道が描かれる。 The second outer cylinder 33 is rotatably supported with respect to the base 300 so as not to be raised and lowered, and the inner cylinder 31 and the first outer cylinder 32 are inserted into the inside of the second outer cylinder 33 so as to be raised and lowered. ing. The second outer cylinder 33 and the first outer cylinder 32 are provided with a streak-shaped groove 330 and a convex portion 320 extending in the axial direction at corresponding positions on the inner surfaces of each other (see the broken line in FIG. 3), and only raising and lowering is permitted. Has been done. When the first outer cylinder 32 and the inner cylinder 31 are moved up and down in the second outer cylinder 33 in a state where no phase difference is generated between the first outer cylinder and the inner cylinder, the gap 102 between the adjacent magnetic pole teeth 101 and 101 A straight trajectory is drawn up and down (see FIG. 2).

また、第1外筒32と内筒31とに位相差が発生されない状態で、揺動手段60をなす盤面63が湾曲されたカム盤61の垂直方向の回転により外部内筒310が揺動されると、内部内筒311は第1外筒とともに昇降しながら揺動され、ニードルの先端がステータコアの端部から突出されたコイルエンド部の曲線部をなす軌道を描く。 Further, in a state where no phase difference is generated between the first outer cylinder 32 and the inner cylinder 31, the outer inner cylinder 310 is swung by the vertical rotation of the cam board 61 in which the board surface 63 forming the swinging means 60 is curved. Then, the inner inner cylinder 311 swings while moving up and down together with the first outer cylinder, and draws a trajectory in which the tip of the needle forms a curved portion of the coil end portion protruding from the end portion of the stator core.

進退手段40は、一対の平行軸体41と、各々の平行軸体に挟まれて配置される歯車42と、歯車の移動手段43とから構成される(図1参照)。一対の平行軸体41の夫々は、外部内筒310または第2外筒33の外周ギア315,331と接する面に内面側ギア44,45を備えている。一方の平行軸体46の内面側ギア44が、二つの重ねられた外周ギア315,331のうち、下方に配された外部内筒310の外周ギア315に噛合され、他方の平行軸体47の内面側ギア45が上方に配された第2外筒33の反対側の外周ギア331に噛合される(図1,図3参照)。 The advancing / retreating means 40 is composed of a pair of parallel shaft bodies 41, a gear 42 arranged between the parallel shaft bodies 41, and a gear moving means 43 (see FIG. 1). Each of the pair of parallel shaft bodies 41 is provided with inner surface side gears 44 and 45 on the surfaces of the outer inner cylinder 310 or the second outer cylinder 33 in contact with the outer peripheral gears 315 and 331. The inner surface side gear 44 of one parallel shaft body 46 is meshed with the outer peripheral gear 315 of the outer inner cylinder 310 arranged downward among the two stacked outer peripheral gears 315 and 331, and the other parallel shaft body 47 The inner surface side gear 45 is meshed with the outer peripheral gear 331 on the opposite side of the second outer cylinder 33 arranged upward (see FIGS. 1 and 3).

歯車42は、外部内筒の外周ギア315及び第2外筒の外周ギア331と同一の直径とされ、外部内筒の外周ギア315に噛合される平行軸体46と第2外筒の外周ギア331に噛合される平行軸体47の双方に噛合される高さとされている。歯車42の軸心を挟んだ両側に一対の平行軸体41の内面側ギア44,45が噛合されている(図1、図3参照)。歯車の移動手段43は、ねじ軸430と、第3サーボモータ431と、歯車を回動自在に支持させる支持部432とからなる。ねじ軸430が第3サーボモータ431により正転・反転されることにより、支持部432に支持された歯車42が一対の平行軸体41と平行に移動される。 The gear 42 has the same diameter as the outer peripheral gear 315 of the outer inner cylinder and the outer peripheral gear 331 of the second outer cylinder, and the parallel shaft body 46 meshed with the outer peripheral gear 315 of the outer inner cylinder and the outer peripheral gear of the second outer cylinder. The height is set to be meshed with both of the parallel shaft bodies 47 meshed with 331. The inner surface side gears 44 and 45 of the pair of parallel shaft bodies 41 are meshed on both sides of the gear 42 with the axial center in between (see FIGS. 1 and 3). The gear moving means 43 includes a screw shaft 430, a third servomotor 431, and a support portion 432 that rotatably supports the gear. When the screw shaft 430 is rotated forward and reversed by the third servomotor 431, the gear 42 supported by the support portion 432 is moved in parallel with the pair of parallel shaft bodies 41.

外部内筒の外周ギア315に噛合された平行軸体46は、内筒31の回転角度に応じて移動される。歯車42を挟んだ、一対の平行軸体をなす反対側の平行軸体47の移動方向と移動量は、歯車42の移動方向と移動量により任意に設定することができる。 The parallel shaft body 46 meshed with the outer peripheral gear 315 of the outer inner cylinder is moved according to the rotation angle of the inner cylinder 31. The moving direction and the moving amount of the parallel shaft bodies 47 on the opposite sides forming the pair of parallel shaft bodies sandwiching the gear 42 can be arbitrarily set according to the moving direction and the moving amount of the gear 42.

ここで図4を参照して、進退手段40によるニードルの進退運動を説明する。進退手段によるニードルの進退運動は、昇降運動と揺動運動が合成された周回運動のいずれの時点においても周回運動に合成される。すなわち磁極ティースを直線的に昇降している際にも、コイルエンドの曲線部を巻線している際にも、進退運動が周回運動に合成される。 Here, the advancing / retreating movement of the needle by the advancing / retreating means 40 will be described with reference to FIG. The advance / retreat motion of the needle by the advance / retreat means is combined with the orbital motion at any time of the orbital motion in which the elevating motion and the swinging motion are combined. That is, the advancing / retreating motion is combined with the orbital motion both when the magnetic pole teeth are linearly moved up and down and when the curved portion of the coil end is wound.

外部内筒の外周ギア315と第2外筒の外周ギア331とは直径が同じ同心円であるため、理解を容易にするため、図4においては実線により外部内筒の外周ギア315を示し、破線により第2外筒の外周ギア331を示し、同心円で示している。図4(A)図は、ニードルを進退させない状態を示し、図4(B)図は、ニードルを後退させる状態を示し、図4(C)図は、ニードルを進出させる状態を示している。 Since the outer peripheral gear 315 of the outer inner cylinder and the outer peripheral gear 331 of the second outer cylinder have concentric circles having the same diameter, in order to facilitate understanding, the outer peripheral gear 315 of the outer inner cylinder is shown by a solid line in FIG. The outer peripheral gear 331 of the second outer cylinder is shown by, and is shown by concentric circles. FIG. 4 (A) shows a state in which the needle is not advanced and retracted, FIG. 4 (B) shows a state in which the needle is retracted, and FIG. 4 (C) shows a state in which the needle is advanced.

理解を容易にするために、一対の平行軸体41の先方と後方の位置が一致された状態(図4(A)図の実線位置参照)を基準にして説明する。ニードルを進退させない場合は、歯車42を平行移動させない状態とさせておく(図4においては、基準位置の歯車の中心位置を一点鎖線で示している)。揺動手段により外部内筒310が回転(A)されると、外部内筒の外周ギア315と噛合している平行軸体46が平行移動(B)される。(破線参照) In order to facilitate understanding, the description will be made with reference to a state in which the front and rear positions of the pair of parallel shaft bodies 41 are matched (see the solid line position in FIG. 4 (A)). When the needle is not advanced or retracted, the gear 42 is not moved in parallel (in FIG. 4, the center position of the gear at the reference position is indicated by a chain line). When the outer inner cylinder 310 is rotated (A) by the swinging means, the parallel shaft body 46 meshing with the outer peripheral gear 315 of the outer inner cylinder is translated (B). (See dashed line)

そして第2外筒の外周ギア331に噛合されている内面ギア45を有する反対側の平行軸体47は反対方向に平行移動(C)され、第2外筒33は外部内筒と同じ回転角で回転される(破線A参照)。そのため第2外筒33の回転角と外部内筒310の回転角には位相差が発生しない。すなわち、歯車42が移動されない状態では、第2外筒33の回転角と外部内筒310の回転角には位相差が発生されないため、ニードルは内径方向にも外径方向にも進退されない。 Then, the parallel shaft body 47 on the opposite side having the inner surface gear 45 meshed with the outer peripheral gear 331 of the second outer cylinder is translated (C) in the opposite direction, and the second outer cylinder 33 has the same rotation angle as the outer inner cylinder. Is rotated by (see broken line A). Therefore, no phase difference occurs between the rotation angle of the second outer cylinder 33 and the rotation angle of the outer inner cylinder 310. That is, when the gear 42 is not moved, there is no phase difference between the rotation angle of the second outer cylinder 33 and the rotation angle of the outer inner cylinder 310, so that the needle does not advance or retreat in either the inner diameter direction or the outer diameter direction.

ニードルの揺動状態にかかわらず、歯車42の平行移動だけでニードルが進退されるため、一対の平行軸体41の先方と後方の位置が一致し、外部内筒310が回転されていない状態を基準に進退作用を説明する。ニードルを後退させる場合には(図4(B)図)、歯車42を内筒に向けて移動(D)させる。そうすると、外部内筒310の回転状態にかかわらず、第2外筒33に噛合されている平行軸体47は、歯車42が回転しながら移動するため、歯車42と同じ移動方向に2倍の距離(2D)が移動される。そして、第2外筒33には反時計回りの回転角が発生されニードルが後退される。 Regardless of the swinging state of the needle, the needle is moved forward and backward only by the parallel movement of the gear 42, so that the front and rear positions of the pair of parallel shaft bodies 41 match, and the outer inner cylinder 310 is not rotated. Explain the advancing and retreating action to the standard. When the needle is retracted (FIG. 4 (B)), the gear 42 is moved (D) toward the inner cylinder. Then, regardless of the rotational state of the outer inner cylinder 310, the parallel shaft body 47 meshed with the second outer cylinder 33 moves while the gear 42 rotates, so that the distance is doubled in the same moving direction as the gear 42. (2D) is moved. Then, a counterclockwise rotation angle is generated in the second outer cylinder 33, and the needle is retracted.

ニードルを進出させる場合には(図4(C)図)、歯車42を外部内筒310から離間させる方向に移動(d)させる。そうすると、外部内筒310の回転状態にかかわらず、第2外筒33に噛合されている平行軸体47は、歯車42が回転しながら移動するため、歯車42と同じ移動方向に2倍の距離(2d)が移動される。そして、第2外筒33には時計回りの回転角が発生されニードルが進出される。 When the needle is advanced (FIG. 4 (C)), the gear 42 is moved (d) in a direction away from the outer inner cylinder 310. Then, regardless of the rotational state of the outer inner cylinder 310, the parallel shaft body 47 meshed with the second outer cylinder 33 moves while the gear 42 rotates, so that the distance is doubled in the same moving direction as the gear 42. (2d) is moved. Then, a clockwise rotation angle is generated in the second outer cylinder 33, and the needle advances.

外部内筒310が回転され、ニードルの先端が揺動されている間においても、前記と同様に歯車42を外部内筒に向けて移動させればニードルは後退し、前記と同様に歯車42を外部内筒から離間させる方向に移動させればニードルが進出される。コイル線1本分を進退させるには、コイル線の1周回運動について歯車42をコイル線1本分の1/2の距離で平行移動させればよい。コイル線を外径側から内径側、又は内径側から外径側に方向転換して巻線する際には、歯車を停止させてから反対方向に移動させればよい。 Even while the outer inner cylinder 310 is rotated and the tip of the needle is swung, if the gear 42 is moved toward the outer inner cylinder in the same manner as described above, the needle retracts and the gear 42 is moved in the same manner as described above. The needle advances if it is moved in a direction away from the outer inner cylinder. In order to advance and retreat one coil wire, the gear 42 may be translated at a distance of 1/2 of one coil wire for one rotation of the coil wire. When winding the coil wire by changing the direction from the outer diameter side to the inner diameter side or from the inner diameter side to the outer diameter side, the gear may be stopped and then moved in the opposite direction.

また、ニードルを巻線途中の任意の位置において移動方向を反転させてもよいことは勿論のことである。ステータコアのスロット孔103(図2(B)図参照)は、外径側が内径側よりも広くされているため、コイル線の占積率を高くさせるには、スロット孔103の外径側においてコイル線の積層回数を多くさせるとよい。本発明によれば、巻線工程の途中からであっても、ニードルの進退距離を変えることが容易であり、コイル線の占積率を向上させることも容易である。 Further, it goes without saying that the moving direction of the needle may be reversed at an arbitrary position during winding. Since the outer diameter side of the stator core slot hole 103 (see FIG. 2B) is wider than the inner diameter side, in order to increase the space factor of the coil wire, the coil is formed on the outer diameter side of the slot hole 103. It is advisable to increase the number of times the wires are laminated. According to the present invention, it is easy to change the advancing / retreating distance of the needle even from the middle of the winding process, and it is also easy to improve the space factor of the coil wire.

揺動手段60(図1参照)は、筒体の軸に沿って回転されるカム盤61と、外部内筒の外周面に配設される一対のカムフォロア62と、カム盤のみを一方向のみに回転させる第2サーボモータ64を備えている。カム盤の盤面63は、内筒の一周期の間に停止、正転、停止、反転させるように湾曲された円盤状をなしている。実施例1においては、盤面63を第1平坦部、往の波状部、第2平坦部、復の波状部の順で一周期が繰り返されるように湾曲されている。 The swinging means 60 (see FIG. 1) includes a cam board 61 that is rotated along the axis of the cylinder, a pair of cam followers 62 that are arranged on the outer peripheral surface of the outer inner cylinder, and only the cam board in one direction. It is provided with a second servomotor 64 that rotates to. The board surface 63 of the cam board has a disk shape curved so as to stop, forward, stop, and reverse during one cycle of the inner cylinder. In the first embodiment, the board surface 63 is curved so that one cycle is repeated in the order of the first flat portion, the forward wavy portion, the second flat portion, and the return wavy portion.

一対のカムフォロア62が、盤面63の第1平坦部又は第2平坦部を挟んでいる間は、内筒31が揺動されず、隣り合う磁極ティースの隙間をニードルが昇降する状態とされる。一対のカムフォロア62が、盤面63の往の波状部又は復の波状部を挟んでいる間は、内筒31が揺動され、コイルエンド部の曲線部が巻線される。 While the pair of cam followers 62 sandwich the first flat portion or the second flat portion of the board surface 63, the inner cylinder 31 does not swing, and the needle moves up and down in the gap between the adjacent magnetic pole teeth. While the pair of cam followers 62 sandwich the forward wavy portion or the return wavy portion of the board surface 63, the inner cylinder 31 is swung and the curved portion of the coil end portion is wound.

サーボモータは、回転速度を変更して、制御することが容易である。このため、第1平坦部と第2平坦部の周長を短くし又は無くし、第1平坦部と第2平坦部の周囲を一対のカムフォロア62が通過中は回転速度を遅くし又は停止させ、往の波状部または復の波状部の周囲を長くし、コイルエンド部の軌跡をなす偏長円をより正確に描かせるようにしてもよい。 The servomotor can be easily controlled by changing the rotation speed. Therefore, the peripheral lengths of the first flat portion and the second flat portion are shortened or eliminated, and the rotation speed is slowed or stopped while the pair of cam followers 62 are passing around the first flat portion and the second flat portion. The circumference of the forward wavy portion or the return wavy portion may be lengthened so that the oblong circle forming the trajectory of the coil end portion can be drawn more accurately.

第2サーボモータ64の回転運動は、駆動軸65に装着されたプーリ66と、カム盤の中心軸体67に装着されたプーリ68と、これらに架け渡される無端帯69によりカム盤61に伝達させている。第2サーボモータは一方向のみに回転させているため、無端帯69には回転方向の反転に伴う弛み、振動は発生されない。 The rotational movement of the second servomotor 64 is transmitted to the cam board 61 by the pulley 66 mounted on the drive shaft 65, the pulley 68 mounted on the central shaft body 67 of the cam board, and the endless band 69 straddled over these. I'm letting you. Since the second servomotor is rotated in only one direction, the endless band 69 does not slacken or vibrate due to the reversal of the rotation direction.

次に、直巻式巻線機1をなす昇降手段50について、図1を参照して説明する。昇降手段50は、内部内筒311と第1外筒32とを一体に昇降させる昇降駆動用の第1サーボモータ51と、第1サーボモータが発生させた一方向の回転運動を、内部内筒と第1外筒の昇降運動に変換させる運動方向変換手段52とを備えている。運動方向変換手段52は、第1サーボモータにより回転される円盤520と、円盤の中心軸体521から偏心された位置に突出された竿体522と、ステータコアの軸方向に往復直線運動される板体523とを備えている。 Next, the elevating means 50 forming the series winding machine 1 will be described with reference to FIG. The elevating means 50 uses the first servomotor 51 for elevating and lowering the inner inner cylinder 311 and the first outer cylinder 32 to move up and down, and the unidirectional rotational motion generated by the first servomotor. And a motion direction changing means 52 for converting the first outer cylinder into an ascending / descending motion. The motion direction changing means 52 includes a disk 520 rotated by the first servomotor, a rod body 522 protruding from the central axis body 521 of the disk at a position eccentric, and a plate reciprocating linearly in the axial direction of the stator core. It has a body 523.

第1サーボモータ51が駆動されると、第1サーボモータの駆動軸53に装着されたプーリ54と円盤520の中心軸体521に装着されたプーリ55と、これらに架け渡された無端帯56により円盤の中心軸体に回転運動が伝達される。中心軸体521が回転されると、円盤の一方の面から突出された竿体522が、円軌道を描くようにして、中心軸体521の周りに回転される。 When the first servomotor 51 is driven, the pulley 54 mounted on the drive shaft 53 of the first servomotor, the pulley 55 mounted on the central shaft body 521 of the disk 520, and the endless band 56 straddling them. The rotational motion is transmitted to the central axis of the disk. When the central shaft body 521 is rotated, the rod body 522 protruding from one surface of the disk is rotated around the central shaft body 521 so as to draw a circular orbit.

板体523の中央部には、水平方向に伸びる長孔524が穿孔されており、前記長孔524に、竿体522の先端が挿通されている(図1参照)。円盤520の回転に応じて、竿体522の上下方向の振幅に、正弦波の垂直成分の割合を乗じた変位幅の直線運動が抽出され、竿体が板体523を垂直方向に運動させる。板体523には、内部内筒311の下端部を保持させる保持部525が備えられ、保持部と内部内筒311とは一体に昇降運動される。 An elongated hole 524 extending in the horizontal direction is formed in the central portion of the plate body 523, and the tip of the rod body 522 is inserted through the elongated hole 524 (see FIG. 1). A linear motion of a displacement width obtained by multiplying the vertical amplitude of the rod body 522 by the ratio of the vertical component of the sine wave is extracted according to the rotation of the disk 520, and the rod body moves the plate body 523 in the vertical direction. The plate body 523 is provided with a holding portion 525 that holds the lower end portion of the inner inner cylinder 311, and the holding portion and the inner inner cylinder 311 are integrally moved up and down.

次に、ニードルの周回軌道の制御について図5を参照して説明する。図5(A)図は、ニードル10の周回軌道が偏長円をなすように制御させる図を示している。図5(A)図に示す破線は、頂点の位置が磁極ティース101の中央部に位置している状態を示し、実線は頂点の位置γを磁極ティースの中央部よりも揺動運動の始端側に移動させた状態を示している。一点鎖線はステータコア100の両端部位置を示し、ステータコアにはインシュレータ104が装着された状態とされている(図2(A)図参照)。 Next, control of the orbital trajectory of the needle will be described with reference to FIG. FIG. 5A shows a diagram in which the orbit of the needle 10 is controlled so as to form an oblong circle. The broken line shown in FIG. 5 (A) indicates that the apex position is located at the center of the magnetic pole tooth 101, and the solid line indicates that the apex position γ is closer to the start end side of the swing motion than the central portion of the magnetic pole tooth. Shows the state of being moved to. The alternate long and short dash line indicates the positions of both ends of the stator core 100, and the insulator 104 is attached to the stator core (see FIG. 2 (A)).

図5(B)図に示す破線は、揺動中の角速度を均一とした場合の、頂点の位置を移動させる前のニードルの揺動運動の速度を示している。実線は、揺動中の角速度を、βからγまでは遅く、γからδまでは速くさせ、頂点の位置γを磁極ティース101の中央部よりも始端側に偏らせた偏長円軌道を描いている。図5(C)図に示す実線は昇降運動の垂直方向の変位量を示している。 The broken line shown in FIG. 5B shows the speed of the swinging motion of the needle before moving the position of the apex when the angular velocity during swinging is made uniform. The solid line draws an elliptical circular orbit in which the angular velocity during swing is slow from β to γ and fast from γ to δ, and the apex position γ is biased toward the start end side from the central part of the magnetic pole tooth 101. ing. The solid line shown in FIG. 5C shows the amount of vertical displacement of the ascending / descending motion.

昇降運動用の第1サーボモータの回転速度は同一とさせたままで、揺動運動用の第2サーボモータの回転速度だけを加減速させるように、各々のサーボモータの回転が制御されている。隣り合う磁極ティースの隙間を通り、直線状をなしている間は(αからβ間、および、δからε間)、どちらのサーボモータの回転速度は変化させていない。一方、ニードル12がステータコアの端部105から外に出ると、揺動運動と昇降運動とが合成され、ニードルの軌道がコイルエンド部の曲線軌道を描き始める(図5(A)図破線参照)。 The rotation speed of each servomotor is controlled so as to accelerate or decelerate only the rotation speed of the second servomotor for rocking motion while keeping the rotation speed of the first servomotor for ascending / descending motion the same. While passing through the gaps between adjacent magnetic pole teeth and forming a straight line (between α and β and between δ and ε), the rotational speeds of either servomotor are not changed. On the other hand, when the needle 12 goes out from the end 105 of the stator core, the swing motion and the ascending / descending motion are combined, and the trajectory of the needle begins to draw a curved trajectory at the coil end portion (see the broken line in FIG. 5 (A)). ..

一方、ニードル10に偏長円軌道を描かせるには、この曲線軌道の始端から変更後の頂点に至るまでの間(βからγ間)に、揺動運動用の第2サーボモータだけを減速させ、頂点に至ってから(γからδ間)には、揺動運動用の第2サーボモータだけを加速させる。そうすると、揺動運動の始端βから頂点γに至るまでの距離が、頂点γから揺動運動の終端δに至るまでの距離より短くなり、頂点の位置γが揺動運動の始端側に偏った偏長円形状とされる。ステータコアの下端面側においても同様にすればよい。コイル線の軌道を始端側に偏った偏長円形状とさせることにより、コイルエンド部を巻線中のコイル線に掛かる張力が均一となり、コイル線が弛まず整列精度が高くなる。 On the other hand, in order for the needle 10 to draw an elliptical orbit, only the second servomotor for swinging motion is decelerated from the start of this curved orbit to the changed apex (between β and γ). After reaching the apex (between γ and δ), only the second servomotor for swinging motion is accelerated. Then, the distance from the start end β of the swing motion to the apex γ becomes shorter than the distance from the apex γ to the end δ of the swing motion, and the position γ of the apex is biased toward the start end side of the swing motion. It has an oblong circular shape. The same may be applied to the lower end surface side of the stator core. By forming the orbit of the coil wire into an oblong circular shape that is biased toward the start end side, the tension applied to the coil wire in the winding of the coil end portion becomes uniform, the coil wire does not loosen, and the alignment accuracy is improved.

次に、潤滑油が噴霧される閉鎖された空間70について、図1を参照して説明する。潤滑油が噴霧される閉鎖された空間70は、進退手段40をなす各々のギアの噛合位置を取り囲む第1空間71と、揺動手段60をなすカム盤61と一対のカムフォロア62との摺動部分及び昇降手段50をなす運動方向変換手段52を取り囲む第2空間72と、に分割されて配置されている(図1参照)。 Next, the closed space 70 on which the lubricating oil is sprayed will be described with reference to FIG. In the closed space 70 where the lubricating oil is sprayed, the first space 71 surrounding the meshing position of each gear forming the advancing / retreating means 40, the cam board 61 forming the swinging means 60, and the pair of cam followers 62 slide. It is divided into a second space 72 surrounding the portion and the movement direction changing means 52 forming the elevating means 50 (see FIG. 1).

第1空間71には、外部内筒の外周ギア315、第2外筒の外周ギア331、一対の平行軸体の内面側ギア44,45、歯車42の噛合位置が配設され、これらの噛合位置に向けて潤滑油の噴霧装置73,73・・・が配設されている。第2空間72には、カム盤61と一対のカムフォロア62との摺動部分、及び運動方向変換手段52が配設され、これらの摺動位置に向けて噴霧装置74,74・・・が配設されている。なお、第1サーボモータ51、第2サーボモータ64、第3サーボモータ431、各サーボモータの回転運動を伝達させる、無端帯56,69は、潤滑油の噴霧空間の外に配設されている。 The outer peripheral gear 315 of the outer inner cylinder, the outer peripheral gear 331 of the second outer cylinder, the inner surface side gears 44 and 45 of the pair of parallel shaft bodies, and the meshing positions of the gears 42 are arranged in the first space 71, and these mesh with each other. Lubricating oil spraying devices 73, 73 ... Are arranged toward the position. A sliding portion between the cam board 61 and the pair of cam followers 62 and a motion direction changing means 52 are provided in the second space 72, and spraying devices 74, 74 ... Are arranged toward these sliding positions. It is installed. The first servomotor 51, the second servomotor 64, the third servomotor 431, and the endless bands 56 and 69 that transmit the rotational motion of each servomotor are arranged outside the lubricating oil spray space. ..

各々の空間71,72の内外の境界を貫通するねじ軸430、中心軸体521,67の周囲には、回転運動を阻害させないようにシールがされればよい(図1破線参照)。潤滑油が外部に飛散されにくく、ニードルを高速で周回駆動させても、空間の周囲に配設されたサーボモータ、無端帯には潤滑油が付着されない。また、余剰の潤滑油は、各々の空間の底面に備えられた潤滑油の循環配管75,76により回収され、再び潤滑油の噴霧装置73,74から噴霧されて循環される。 A seal may be provided around the screw shaft 430 and the central shaft body 521 and 67 penetrating the inner and outer boundaries of the respective spaces 71 and 72 so as not to hinder the rotational movement (see the broken line in FIG. 1). Lubricating oil is not easily scattered to the outside, and even if the needle is driven around at high speed, the lubricating oil does not adhere to the servomotor and the endless band arranged around the space. Further, the excess lubricating oil is recovered by the lubricating oil circulation pipes 75 and 76 provided on the bottom surface of each space, and is sprayed again from the lubricating oil spraying devices 73 and 74 and circulated.

実施例2においては、昇降手段50を駆動させる第1サーボモータ51と、揺動手段60を駆動させる第2サーボモータ64が別々に設けられ、第1回転盤と第2回転盤とからなる破損防止手段80を有し、第2サーボモータが機能しなくなった場合でも、ニードルがステータコアに衝突して破損されることがない直巻式巻線機2を、図6から図8を参照して説明する。実施例2においては、実施例1と同一の構成については、同一の符号を付して説明を省略している。 In the second embodiment, the first servomotor 51 for driving the elevating means 50 and the second servomotor 64 for driving the swinging means 60 are separately provided, and the first turntable and the second turntable are damaged. Refer to FIGS. 6 to 8 for a series winding machine 2 having the preventive means 80 so that the needle does not collide with the stator core and is damaged even when the second servomotor fails. explain. In the second embodiment, the same configurations as those in the first embodiment are designated by the same reference numerals and the description thereof is omitted.

図6は、直巻式巻線機2の全体構成図を示している。図7は揺動手段を駆動させる第2サーボモータが機能している状態の凸部と長孔の作用の説明図であり、図8は、揺動手段を駆動させる第2サーボモータが機能しない状態の凸部と長孔の作用の説明図である。図7の(A)図から(C)図、図8の(G)図から(I)図においては、ステータコアの端面の位置を一点鎖線で示し、ニードルの軌跡を破線で示している。また、図7の(D)図から(F)図、図8の(J)図から(L)図においては、第1回転盤と凸部を破線で示している。 FIG. 6 shows an overall configuration diagram of the series winding machine 2. FIG. 7 is an explanatory diagram of the action of the convex portion and the elongated hole in the state where the second servomotor for driving the swinging means is functioning, and FIG. 8 is a diagram showing the operation of the second servomotor for driving the swinging means not functioning. It is explanatory drawing of the action of the convex part and the long hole of a state. In FIGS. 7 (A) to (C) and (G) to (I) of FIG. 8, the position of the end face of the stator core is indicated by a chain line, and the trajectory of the needle is indicated by a broken line. Further, in FIGS. 7 (D) to (F) and 8 (J) to (L), the first turntable and the convex portion are shown by broken lines.

破損防止手段80をなす第2回転盤82は、第2サーボモータ64により回転運動させる第1回転盤81と向かい合って配設されている。第2回転盤82は、第1サーボモータ51の回転運動に連動して回転される。第1回転盤81から第2回転盤82に向けて凸部83(図6においては、理解を容易にするため軸状に示している。)が備えられ、第2回転盤82には凸部83を遊嵌させる周方向に延びる長孔84が備えられている。また、第2回転盤の軸心に対して長孔84を点対称位置に2か所備えさせ、駆動力が均等に伝達されるようにしているが、1か所だけとしてもよい。 The second turntable 82 forming the damage prevention means 80 is arranged so as to face the first turntable 81 that is rotationally moved by the second servomotor 64. The second turntable 82 is rotated in conjunction with the rotational movement of the first servomotor 51. A convex portion 83 (shown in a shaft shape in FIG. 6 for easy understanding) is provided from the first turntable 81 to the second turntable 82, and the second turntable 82 has a convex portion. An elongated hole 84 extending in the circumferential direction for loosely fitting the 83 is provided. Further, two elongated holes 84 are provided at point-symmetrical positions with respect to the axial center of the second turntable so that the driving force is evenly transmitted, but only one may be provided.

まず、第2サーボモータが機能されない状態を、図8を参照して、ステータコアの上端部側において説明する。円盤状をなすカム盤の盤面63(図6参照)の湾曲の形状は、凸部83が長孔の下流側の端部85に接した状態で(図8(J)から(L)参照))、ニードルが図8(G)図に示した破線の長円軌道を描く湾曲形状とされている。第2サーボモータが機能しなくなり、第1サーボモータだけで昇降手段と揺動手段を駆動させる場合には、長孔の下流側に凸部が支えられ、スロット孔の端部α0から出て(図8(G)図参照)、長円軌道の頂部β0に至り(図8(H)図参照)、隣のスロット孔の端部γ0に至る(図8(I)図参照)破線の長円軌道を描くように、ニードル10が運動される。 First, a state in which the second servomotor is not functioning will be described on the upper end side of the stator core with reference to FIG. The curved shape of the disk surface 63 (see FIG. 6) of the disk-shaped cam disk is such that the convex portion 83 is in contact with the end portion 85 on the downstream side of the elongated hole (see FIGS. 8 (J) to 8 (L)). ), The needle has a curved shape that draws a dashed oval orbit shown in FIG. 8 (G). When the second servomotor stops functioning and the elevating means and the swinging means are driven only by the first servomotor, the convex portion is supported on the downstream side of the elongated hole and exits from the end α0 of the slot hole ( (See Fig. 8 (G)), reaching the top β0 of the highly elliptical orbit (see Fig. 8 (H)), and reaching the end γ0 of the adjacent slot hole (see Fig. 8 (I)). The needle 10 is moved so as to draw an orbit.

サーボモータが正常に機能している場合には、周回手段が第1サーボモータで駆動され、揺動手段が第2サーボモータで駆動される。この状態を、図7を参照して、ステータコアの上端部側において説明する。揺動手段を駆動させる第2サーボモータが正常に機能している状態では、ニードルが磁極ティースの隙間を上昇するときには(図7(A)図実線参照)。凸部83が長孔84の上流側の端部86に位置し(図7(D)図)、第1回転盤が第2回転盤よりも先行して回転される。 When the servomotor is functioning normally, the orbiting means is driven by the first servomotor and the swinging means is driven by the second servomotor. This state will be described on the upper end side of the stator core with reference to FIG. 7. In a state where the second servomotor that drives the swinging means is functioning normally, when the needle rises in the gap between the magnetic pole teeth (see the solid line in FIG. 7A). The convex portion 83 is located at the end portion 86 on the upstream side of the elongated hole 84 (FIG. 7 (D)), and the first turntable is rotated ahead of the second turntable.

偏長円の頂点(β1)を長円の頂点(図8(H)図参照)よりも下流側にずらすために、ステータコアの端部(α1)を通過してからは、第1回転盤81の回転速度が遅くされ(図7(B)図実線参照)、凸部83が長孔84の下流側の端部85に位置した状態とされる(図7(E)図)。偏長円の頂点(β1)を通過してから、隣のスロット孔に進入する位置(γ1)までに(図7(C)図実線参照)、第1回転盤81の回転速度が速くされ、隣のスロット孔に進入する際には、凸部が長孔の上流側に位置される(図7(F)図)。そして、そのままの状態でニードル10は下降され、ステータコアの下端部側においても、同様に第1回転盤81の回転速度が制御されて、ステータコアの下端部側でも偏長円軌道が描かれる。 In order to shift the apex (β1) of the oblong circle to the downstream side from the apex of the oval (see FIG. 8 (H)), after passing through the end portion (α1) of the stator core, the first turntable 81 (See the solid line in FIG. 7 (B)), and the convex portion 83 is located at the downstream end 85 of the elongated hole 84 (FIG. 7 (E)). From passing through the apex (β1) of the oblong circle to the position (γ1) of entering the adjacent slot hole (see the solid line in FIG. 7C), the rotation speed of the first turntable 81 is increased. When entering the adjacent slot hole, the convex portion is located on the upstream side of the elongated hole (FIG. 7 (F)). Then, the needle 10 is lowered as it is, the rotation speed of the first turntable 81 is similarly controlled on the lower end side of the stator core, and an elliptical circular orbit is drawn on the lower end side of the stator core.

磁極ティースの隙間102(図2参照)を上昇中に、第2サーボモータ64が機能しなくなった場合には(図6参照)、前述したように、凸部83が長孔84の下流側の端部85に接した状態とされ(図8参照)、長円軌道を描くように第1サーボモータ51(図6参照)だけで、昇降手段50と揺動手段60が駆動される。ステータコアの端面から出て揺動中に、第2サーボモータ64が機能しなくなった場合も、同様に、長円軌道を描くように第1サーボモータだけで、昇降手段と揺動手段が駆動される。 If the second servomotor 64 fails to function while ascending the gap 102 of the magnetic pole teeth (see FIG. 2) (see FIG. 6), as described above, the convex portion 83 is on the downstream side of the elongated hole 84. The elevating means 50 and the swinging means 60 are driven only by the first servomotor 51 (see FIG. 6) so as to be in contact with the end portion 85 (see FIG. 8) and draw an elliptical orbit. Similarly, when the second servomotor 64 fails to function while swinging out of the end face of the stator core, the elevating means and the swinging means are driven only by the first servomotor so as to draw an elliptical orbit. To.

破損防止手段80を備えていることにより、第2サーボモータ64が正常に機能しているときには、ニードル10の軌道は頂点位置が始端側に偏った偏長円軌道(図7参照)を描き、第2サーボモータ64が機能しなくなってからは、ニードル10の軌道は長円軌道(図8参照)を描くようになる。第2サーボモータが機能しなくなって最初の1周目だけは、偏長円軌道から長円軌道に移行される。長円軌道に移行してからは、昇降手段と揺動手段とからなる周回手段と、進退手段とを連動させて減速させるようにすれば、コイル線を弛ませないように高い整列精度で巻線が継続される。 By providing the damage prevention means 80, when the second servomotor 64 is functioning normally, the trajectory of the needle 10 draws an elliptical circular orbit (see FIG. 7) in which the apex position is biased toward the start end side. After the second servomotor 64 ceases to function, the trajectory of the needle 10 draws an elliptical orbit (see FIG. 8). Only in the first lap when the second servomotor stops functioning, the orbit is changed from the oblong circular orbit to the oval orbit. After shifting to the high-elliptical orbit, if the orbiting means consisting of the elevating means and the swinging means and the advancing / retreating means are interlocked to decelerate, the coil wire is wound with high alignment accuracy so as not to loosen. The line continues.

(その他)
・今回開示された実施の形態はすべての点で例示であって、制限的なものではないと考えられるべきである。本発明の技術的範囲は、上記した説明に限られず特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。
・実施例2において、第1回転盤に長孔を形成させ、第2回転盤に凸部を形成させ、第1回転盤と第2回転盤の役割を転換させてもよいことは勿論のことである。
(Other)
-The embodiments disclosed this time should be considered to be exemplary in all respects and not restrictive. The technical scope of the present invention is shown by the scope of claims, not limited to the above description, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.
-In the second embodiment, it is of course possible to form a long hole in the first turntable and a convex portion in the second turntable to switch the roles of the first turntable and the second turntable. Is.

1,2…直巻式巻線機、
10…ニードル、20…円盤、30…筒体、40…進退手段、
50…昇降手段、60…揺動手段、
11…突部、12…ニードル、
21…下方円盤、22…カム溝、23…上部円盤、24…ニードル摺動溝、
31…内筒、310…外部内筒、311…内部内筒、312…筒状空間、
313…ボール、314…循環溝、315…外周ギア、
32…第1外筒、320…凸部、
33…第2外筒、330…溝部、331…外周ギア、
41…一対の平行軸体、42…歯車、
43…移動手段、430…ねじ軸、431…第3サーボモータ、432…支持部、
44,45…内面側ギア、46,47…平行軸体、
51…第1サーボモータ、52…運動方向変換手段、
520…円盤、521…中心軸体、522…竿体、523…板体、
524…長孔、525…保持部、
53…駆動軸、54,55…プーリ、56…無端帯、
61…カム盤、62…一対のカムフォロア、63…盤面、
64…第2サーボモータ、65…駆動軸、66.68…プーリ、
67…中心軸体、69…無端帯、
70…閉鎖された空間、71…第1空間、72…第2空間、
73,74…噴霧装置、75,76…循環配管、
80…破損防止手段、81…第1回転盤、82…第2回転盤、83…凸部、
84…長孔、85…下流側の端部、86…上流側の端部、
100…ステータコア、101…磁極ティース、102…隙間、
103…スロット孔、104…インシュレータ、105…端部、
200…コイル線、300…基台、301…滑動部材
1, 2, ... Series winding machine,
10 ... needle, 20 ... disk, 30 ... cylinder, 40 ... means of advancing and retreating,
50 ... Lifting means, 60 ... Swinging means,
11 ... protrusion, 12 ... needle,
21 ... Lower disk, 22 ... Cam groove, 23 ... Upper disk, 24 ... Needle sliding groove,
31 ... Inner cylinder, 310 ... Outer inner cylinder 311 ... Inner inner cylinder 312 ... Cylindrical space,
313 ... ball, 314 ... circulation groove, 315 ... outer gear,
32 ... 1st outer cylinder, 320 ... convex part,
33 ... 2nd outer cylinder, 330 ... groove, 331 ... outer gear,
41 ... A pair of parallel shafts, 42 ... Gears,
43 ... Transportation means, 430 ... Screw shaft, 431 ... Third servo motor, 432 ... Support,
44, 45 ... Inner surface side gear, 46, 47 ... Parallel shaft body,
51 ... 1st servomotor, 52 ... Motion direction changing means,
520 ... disk, 521 ... central shaft body, 522 ... rod body, 523 ... plate body,
524 ... long hole, 525 ... holding part,
53 ... Drive shaft, 54, 55 ... Pulley, 56 ... Endless band,
61 ... Cam board, 62 ... A pair of cam followers, 63 ... Board surface,
64 ... 2nd servo motor, 65 ... drive shaft, 66.68 ... pulley,
67 ... Central axis, 69 ... Endless band,
70 ... closed space, 71 ... first space, 72 ... second space,
73,74 ... Sprayer, 75,76 ... Circulation piping,
80 ... Damage prevention means, 81 ... 1st turntable, 82 ... 2nd turntable, 83 ... Convex part,
84 ... long hole, 85 ... downstream end, 86 ... upstream end,
100 ... stator core, 101 ... magnetic pole teeth, 102 ... gap,
103 ... slot hole, 104 ... insulator, 105 ... end,
200 ... Coil wire, 300 ... Base, 301 ... Sliding member

Claims (5)

環状をなす複数の磁極ティースの周囲にニードルの先端を周回させてコイル線を巻線させる直巻式巻線機において、
前記ニードルの進退手段と昇降手段と揺動手段と、前記コイル線を案内させる筒体と、ニードルを進退させる重ねられた2つの円盤とを含み、前記筒体が、内筒と、前記内筒に沿って延びる第1外筒と第2外筒とからなり、一方の前記円盤は螺旋状のカム溝を有し、他方の前記円盤は径方向に延びる直線状のニードル摺動溝を有し、各々の前記円盤は、前記内筒又は第1外筒のいずれか一方に支えられて一体に回動され、前記内筒と第1外筒とは回動のみが許容されて一体に昇降され、第1外筒と第2外筒とは昇降のみが許容され一体に回動される直巻式巻線機であって、
前記進退手段が、一対の平行軸体と、歯車と、前記歯車を前記平行軸体と平行に移動させる移動手段とを有し、
各々の平行軸体が内面側ギアを備えると共に、前記筒体を挟んで前記筒体の軸方向に交差される方向に平行に伸び、
前記歯車が、前記一対の平行軸体の間に配設され、
前記内筒と同期して回動される外筒をなす外部内筒と、第2外筒とは夫々外面周囲が重なった位置に外周ギアを有し、
各々の前記内面側ギアが、前記内筒と第2外筒のいずれか一方の外面周囲に備えられた外周ギアに噛合されると共に前記歯車の外周ギアに噛合され、
前記移動手段が、前記歯車の位置を移動させることにより、前記内筒と第1外筒との回動に位相差を発生させ、
前記位相差に応じて、前記ニードルが有する突部が前記カム溝に沿って摺動され、前記ニードルの先端が前記ニードル摺動溝に沿って径方向に進退される、
ことを特徴とする直巻式巻線機。
In a series winding machine that winds a coil wire by orbiting the tip of a needle around a plurality of annular magnetic pole teeth.
The needle includes an advancing / retreating means, an elevating means, a swinging means, a cylinder for guiding the coil wire, and two stacked disks for advancing / retreating the needle. The cylinder includes an inner cylinder and the inner cylinder. It is composed of a first outer cylinder and a second outer cylinder extending along the above, one of the disks having a spiral cam groove, and the other disk having a linear needle sliding groove extending in the radial direction. Each of the disks is supported by either the inner cylinder or the first outer cylinder and is rotated integrally, and the inner cylinder and the first outer cylinder are allowed to rotate only and are moved up and down integrally. The first outer cylinder and the second outer cylinder are series-wound winding machines that are allowed to move up and down and are rotated integrally.
The advancing / retreating means has a pair of parallel shaft bodies, a gear, and a moving means for moving the gear in parallel with the parallel shaft body.
Each parallel shaft body is provided with an inner surface side gear, and extends parallel to the direction intersecting the axial direction of the cylinder body with the cylinder body in between.
The gear is disposed between the pair of parallel shafts,
The outer inner cylinder forming an outer cylinder that is rotated in synchronization with the inner cylinder and the second outer cylinder each have an outer peripheral gear at a position where the outer peripheral circumferences overlap.
Each of the inner surface side gears is meshed with an outer peripheral gear provided around the outer surface of either the inner cylinder or the second outer cylinder, and is meshed with the outer peripheral gear of the gear.
By moving the position of the gear, the moving means generates a phase difference in the rotation of the inner cylinder and the first outer cylinder.
The protrusion of the needle is slid along the cam groove according to the phase difference, and the tip of the needle is moved forward and backward in the radial direction along the needle sliding groove.
A series winding machine characterized by this.
前記昇降手段が、前記内筒と第1外筒とを昇降させる昇降駆動用の第1サーボモータと、第1サーボモータが発生させた回転運動を前記内筒と第1外筒の昇降運動に変換させる運動方向変換手段とを備え、
前記揺動手段が、前記筒体の軸に沿って回転されるカム盤と、一対のカムフォロアと、前記カム盤のみを回転させる第2サーボモータとを備え、
前記カム盤が、盤面が湾曲された円盤状とされ、
前記一対のカムフォロアが、前記外部内筒の外周面に、前記カム盤を挟んで配設され、
前記カム盤を一方向のみに回転させて前記内筒を揺動させ、
前記昇降手段と、前記揺動手段の一周期の時間を同一とさせるように制御して、第1サーボモータと第2サーボモータを個別に駆動させている、
ことを特徴とする請求項1に記載の直巻式巻線機。
The elevating means converts the first servomotor for elevating and lowering the inner cylinder and the first outer cylinder, and the rotational movement generated by the first servomotor into the elevating movement of the inner cylinder and the first outer cylinder. Equipped with a motion direction changing means to be converted,
The swinging means includes a cam board that is rotated along the axis of the cylinder, a pair of cam followers, and a second servomotor that rotates only the cam board.
The cam disk has a disk shape with a curved surface.
The pair of cam followers are arranged on the outer peripheral surface of the outer inner cylinder with the cam board interposed therebetween.
The cam board is rotated in only one direction to swing the inner cylinder.
The first servomotor and the second servomotor are individually driven by controlling the elevating means and the swinging means so that the time of one cycle is the same.
The series winding machine according to claim 1, wherein the series winding machine is characterized in that.
第1回転盤と第2回転盤とからなる破損防止手段を有し、
第1回転盤は、前記カム盤と連動して平行に回転され、第2回転盤は、第1サーボモータにより回転され、
第1回転盤と第2回転盤とは向かい合って配列されると共に、第1回転盤には凸部が備えられ、第2回転盤には凸部を遊嵌させる周方向に延びる長穴が備えられ、
第2サーボモータが正常に駆動しているときは、前記長穴のなかで前記凸部を遊嵌させた状態で、第1サーボモータと第2サーボモータが個別に駆動され、
第2サーボモータが機能停止されたときには、前記凸部が前記長穴の下流側に接した状態で、第1サーボモータのみで前記揺動手段も駆動され、前記ニードルがステータコアの端部に衝突されない、
ことを特徴とする請求項2に記載の直巻式巻線機。
It has a damage prevention means consisting of a first turntable and a second turntable.
The first turntable is rotated in parallel with the cam disc, and the second turntable is rotated by the first servomotor.
The first turntable and the second turntable are arranged facing each other, the first turntable is provided with a convex portion, and the second turntable is provided with an elongated hole extending in the circumferential direction for loosely fitting the convex portion. Be,
When the second servomotor is normally driven, the first servomotor and the second servomotor are individually driven with the convex portion loosely fitted in the elongated hole.
When the second servomotor is stopped functioning, the swinging means is also driven only by the first servomotor with the convex portion in contact with the downstream side of the elongated hole, and the needle collides with the end of the stator core. Not done,
The series winding machine according to claim 2, wherein the series winding machine is characterized in that.
前記平行軸体の内面側ギアと内筒の外周ギアの噛合位置、前記平行軸体の内面側ギアと第2外筒の外周ギアの噛合位置と、前記平行軸体の内面側ギアと歯車の外周ギアとの噛合位置と、前記カム盤とカムフォロアとの摺動位置と、前記運動方向変換手段とが、潤滑油が噴霧される閉鎖された空間の中に配設され、前記潤滑油が循環供給される、
ことを特徴とする請求項2又は請求項3に記載の直巻式巻線機。
The meshing position of the inner surface side gear of the parallel shaft body and the outer peripheral gear of the inner cylinder, the meshing position of the inner surface side gear of the parallel shaft body and the outer peripheral gear of the second outer cylinder, and the inner surface side gear and the gear of the parallel shaft body. The meshing position with the outer peripheral gear, the sliding position between the cam board and the cam follower, and the movement direction changing means are arranged in a closed space where the lubricating oil is sprayed, and the lubricating oil circulates. Supplied,
The series winding machine according to claim 2 or 3, wherein the series winding machine is characterized in that.
前記空間が、分割されて配置されている、
ことを特徴とする請求項4に記載の直巻式巻線機。
The space is divided and arranged,
The series winding machine according to claim 4, wherein the series winding machine is characterized in that.
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JP2024029860A (en) * 2022-08-23 2024-03-07 E-Tec株式会社 Series winding machine
JP7376168B1 (en) 2022-09-07 2023-11-08 三工機器株式会社 winding device
CN116111797A (en) * 2023-04-07 2023-05-12 广东凌霄泵业股份有限公司 Water pump motor stator coil installation equipment

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