JP3184950B2 - Method and apparatus for manufacturing coil spring - Google Patents
Method and apparatus for manufacturing coil springInfo
- Publication number
- JP3184950B2 JP3184950B2 JP35290295A JP35290295A JP3184950B2 JP 3184950 B2 JP3184950 B2 JP 3184950B2 JP 35290295 A JP35290295 A JP 35290295A JP 35290295 A JP35290295 A JP 35290295A JP 3184950 B2 JP3184950 B2 JP 3184950B2
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- core shaft
- shaft
- wire
- swivel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Wire Processing (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、コイルバネの製造方法
および装置に関する。The present invention relates to a method and an apparatus for manufacturing a coil spring.
【０００２】[0002]
【従来の技術】本出願人が先に開発したコイルバネ製造
装置は次のようなものであった（特公平１−１６５８１
号公報）即ち、動力回転されるチャックと、該チャック
に着脱自在に取り付けられて外周に線材が巻き付けられ
る回転芯軸と、該芯軸と平行して仮設されたガイドバー
と、該ガイドバーへ摺動自在に装架されて前記芯軸の外
周へ線材を導くようにしたガイドローラを備えた送り台
が設けられていた。そして、線材は一端を前記芯軸に取
り付けられた状態で前記ガイドローラに案内されて、送
り台の移動と同時に前記芯軸の回転に伴い、芯軸の外周
に巻き付けられていた。2. Description of the Related Art A coil spring manufacturing apparatus developed earlier by the present applicant is as follows (Japanese Patent Publication No. 1-16581).
Patent Document 1) That is, a chuck rotated by power, a rotating core shaft detachably attached to the chuck and having a wire wound around the outer periphery thereof, a guide bar temporarily provided in parallel with the core shaft, and a guide bar. A feed base provided with a guide roller slidably mounted to guide the wire to the outer periphery of the core shaft has been provided. Then, the wire rod is guided by the guide roller with one end attached to the core shaft, and is wound around the outer periphery of the core shaft with the rotation of the core shaft simultaneously with the movement of the feed stand.
【０００３】[0003]
【発明が解決しようとする課題】しかしながらこの先行
技術では、線材はガイドローラを通過した後に方向を変
えて芯軸に導入されるので、線材が変形歪みを生じ、後
工程でこれらを修正する必要があった本発明は上記課題
を解決し、線材の供給方向を一定に保ちながら芯軸に導
入してバネを成形できるコイルバネの製造方法および装
置を提供することを目的とする。However, in this prior art, the wire is changed in direction after being passed through the guide roller and is introduced into the core shaft, so that the wire is deformed and deformed, and it is necessary to correct these in a later process. SUMMARY OF THE INVENTION An object of the present invention is to provide a method and an apparatus for manufacturing a coil spring capable of forming a spring by introducing the wire into a core shaft while keeping the supply direction of the wire constant.
【０００４】[0004]
【０００５】[0005]
【０００６】[0006]
【課題を解決するための手段】 上記課題を解決するた
め、本発明の構成は次のとおりとする。即ち、第１構成
は、平面視で円弧状に延びるレールを持ち、該レールの
円弧中心位置に旋回軸または旋回軸受けを持つベッド
と、該ベッドに載置されて前記レールに沿って水平面内
で旋回できるよう、前記旋回軸または旋回軸受けに回転
自在に嵌合する旋回軸または旋回軸受けを持ち、かつ、
前記レールに対する係合部材を持つ主軸台車と、該主軸
台車を前記旋回軸回りに動力旋回させる主軸旋回部と、
前記主軸台車上に設置され、前記旋回半径上を往復自在
とされた主軸受け台と、該主軸受け台の上で、旋回半径
の直上でそれに平行な軸線回りに回転自在に支持された
主軸と、該主軸を動力により回転させる主軸回転部と、
前記主軸受け台を前記主軸台車上で、旋回半径上を動力
により往復させる主軸受け台往復部と、前記主軸の先端
に同心に着脱自在に取り付けられた芯軸と、前記ベッド
の旋回軸または旋回軸受けの近くに設置され、線材を前
記芯軸の上側または下側から前記ベッドの旋回中心上を
導入するように、上案内および下案内を持つ線材案内部
と、前記芯軸の先端付近または末端付近に設けられた線
材仮止め手段とを含み、前記芯軸の振れを阻止するよ
う、芯軸の軸方向の位置で上下から挟む受け部材を持っ
た芯軸振れ受け部が設けられ、前記芯軸振れ受け部は、
前記芯軸に接近して前記主軸台車から直立した柱部材
と、該柱部材から前記芯軸の上側および下側を筋違いに
直交して張り出したアームに、前記芯軸に接触回転する
ローラが設けられてなる上受け部材および下受け部材と
を含むことである。Means for Solving the Problems To solve the above problems,
Therefore, the configuration of the present invention is as follows. That is, the first configuration
Has a rail extending in an arc shape in a plan view, and
Bed with swivel axis or swivel bearing at center of arc
And placed on the bed and in a horizontal plane along the rails
Rotate on the swivel axis or swivel bearing to enable swivel
It has a swivel or swivel bearing that fits freely, and
A spindle bogie having an engagement member for the rail, and the spindle
A spindle turning section for power-turning the bogie around the turning axis;
Installed on the spindle carriage, reciprocable on the turning radius
And a turning radius on the main bearing base.
Is supported rotatably about an axis parallel to it directly above
A main shaft, a main shaft rotating unit that rotates the main shaft with power,
The bearing base is moved on the turning radius on the spindle bogie.
And the tip of the spindle
A core shaft detachably mounted concentrically on the bed and the bed
Near the swivel axis or swivel bearing of
From above or below the spindle, above the center of rotation of the bed
Wire guide with upper and lower guides to introduce
And a line provided near the tip or end of the core shaft.
Material temporary fixing means for preventing run-out of the core shaft.
Hold the receiving member sandwiched from above and below at the axial position of the core shaft.
A core shaft run-out receiving portion is provided ,
A column member that is close to the core shaft and stands upright from the spindle carriage, and an arm that projects from the column member so that the upper and lower sides of the core shaft project orthogonally to each other at right angles are provided with rollers that rotate in contact with the core shaft. An upper receiving member and a lower receiving member are provided.
【０００７】[0007]
【０００８】 第２構成は、平面視で円弧状に延びるレ
ールを持ち、該レールの円弧中心位置に旋回軸または旋
回軸受けを持つベッドと、該ベッドに載置されて前記レ
ールに沿って水平面内で旋回できるよう、前記旋回軸ま
たは旋回軸受けに回転自在に嵌合する旋回軸または旋回
軸受けを持ち、かつ、前記レールに対する係合部材を持
つ主軸台車と、該主軸台車を前記旋回軸回りに動力旋回
させる主軸旋回部と、前記主軸台車上に設置され、前記
旋回半径上を往復自在とされた主軸受け台と、該主軸受
け台の上で、旋回半径の直上でそれに平行な軸線回りに
回転自在に支持された主軸と、該主軸を動力により回転
させる主軸回転部と、前記主軸受け台を前記主軸台車上
で、旋回半径上を動力により往復させる主軸受け台往復
部と、前記主軸の先端に同心に着脱自在に取り付けられ
た芯軸と、前記ベッドの旋回軸または旋回軸受けの近く
に設置され、線材を前記芯軸の上側または下側から前記
ベッドの旋回中心上を導入するように、上案内および下
案内を持つ線材案内部と、前記芯軸の先端付近または末
端付近に設けられた線材仮止め手段とを含み、前記芯軸
の先端付近に設けられた前記線材仮止め手段は、前記芯
軸の端面に突設され、該芯軸の回転軸線に平行な軸線を
持つピンと、該ピンの先端に取り付けられて、その回り
に揺動自在とされＬ字状爪部材とを含み、爪部材と前記
芯軸との間に線材先端部分を導入し、芯軸を回転させた
とき、前記爪部材が線材との摩擦力により芯軸の回転方
向に対し逆方向に回動して、芯軸との間で線材を挟持固
定するようにしたことである。[0008] The second configuration is a laser extending in an arc shape in plan view.
A pivot axis or pivot at the center of the arc of the rail.
A bed having a rotating bearing; and
So that it can be turned in a horizontal plane along the
Or a swivel or swivel that is rotatably fitted to a swivel bearing
It has a bearing and has an engaging member for the rail.
And a power carriage for rotating the spindle carriage around the pivot axis.
A spindle revolving part to be installed, installed on the spindle bogie,
A main bearing base reciprocally movable on a turning radius, and the main bearing
On the platform, just above the turning radius and around an axis parallel to it
A main shaft rotatably supported and the main shaft rotated by power
A spindle rotating part to be driven, and the spindle bearing base on the spindle carriage.
And reciprocate the main bearing base to reciprocate on the turning radius by power.
Part, detachably attached concentrically to the tip of the spindle
Near the pivot axis or pivot bearing of the bed
Installed on the wire rod from above or below the core shaft
Guide up and down to introduce above the center of rotation of the bed
A wire guide portion having a guide, near or at the end of the core shaft;
A wire rod temporary fixing means provided near the end , wherein the wire rod temporary fixing means provided near the tip of the core shaft projects from an end surface of the core shaft and is parallel to a rotation axis of the core shaft. A pin having an axis, and an L-shaped claw member attached to the tip of the pin and capable of swinging around the pin, and introducing a wire tip portion between the claw member and the core shaft; When the is rotated, the claw member is rotated in a direction opposite to the rotation direction of the core shaft by a frictional force with the wire, so that the wire is sandwiched and fixed between the claw member and the core shaft.
【０００９】[0009]
【００１０】[0010]
【００１１】[0011]
【作用】成形すべきコイルの線材の直径とコイルピッチ
をもとに、線材案内部からの一定した線材導入方向に対
し主軸（芯軸）の角度が決められる。これに従って、主
軸旋回部が作動されて、芯軸の角度（向き）が固定され
る。次に芯軸振れ受け部が作動され、芯軸を上下からロ
ーラで挟持する。次に線材案内部が作動され、線材を上
下からローラで挟持する。次に線材はその先端部を芯軸
の円周部に仮止めされる。次に主軸回転部と主軸受け台
往復部が作動され、芯軸は回転すると同時に軸方向に移
動する。この状態で線材が供給され、芯軸の円周面に巻
き付けられて行く。According to the present invention, the angle of the main axis (core axis) with respect to the constant wire introduction direction from the wire guide is determined based on the diameter of the wire and the coil pitch of the coil to be formed. In accordance with this, the main shaft turning portion is operated, and the angle (direction) of the core shaft is fixed. Next, the core shaft run-out receiving part is operated, and the core shaft is held by the rollers from above and below. Next, the wire guide is operated, and the wire is held between the rollers from above and below. Next, the front end of the wire is temporarily fixed to the circumference of the core shaft. Next, the main shaft rotating portion and the main shaft cradle reciprocating portion are operated, and the core shaft rotates and simultaneously moves in the axial direction. In this state, the wire is supplied and wound around the circumferential surface of the core shaft.
【００１２】[0012]
【発明の実施の形態】以下に本発明の実施態様を図面に
示す一実施例にもとづき説明する。図１，２，３におい
て、本発明の装置の大略は次のとおりである。ベッド１
は、矩形板本体１ａの上に平面視で四分円弧状に延びる
レール１ｂを持ち、該レールの円弧中心位置に平面視で
円孔となる旋回軸受１ｃを持つ。主軸台車２は、該ベッ
ド１に載置されて前記レールに沿って水平面内で旋回で
きるよう、前記旋回軸受に回転自在に嵌合する旋回軸２
ｄを持ち、かつ、前記レール上を転動する車輪２ｃを持
つ。主軸旋回部３は、主軸台車２を旋回軸２ｄ回りに動
力旋回させる。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to an embodiment shown in the drawings. 1, 2 and 3, the outline of the apparatus of the present invention is as follows. Bed 1
Has a rail 1b extending in a quadrant arc shape in plan view on a rectangular plate main body 1a, and a turning bearing 1c which is a circular hole in plan view at a center position of the arc of the rail. A spindle 2 is mounted on the bed 1 and is rotatably fitted to the pivot bearing so as to be pivotable along a horizontal plane along the rail.
d and wheels 2c that roll on the rails. The spindle turning unit 3 turns the spindle bogie 2 around the turning axis 2d.
【００１３】水平主軸５の先端にチャックを介して芯軸
６が、着脱自在に取り付けられる。これらは前記主軸台
車上に設置され、前記旋回半径上を往復自在とされた主
軸受け台４の上で、旋回半径に平行な軸線回りに回転自
在に支持される。そして、該主軸を動力的により回転さ
せる主軸回転部が設けられ、主軸受け台往復部が、前記
主軸受け台を前記主軸台車上で、旋回半径上を動力によ
り往復させる。A core shaft 6 is detachably attached to the tip of the horizontal main shaft 5 via a chuck. These are installed on the spindle carriage, and are rotatably supported on an axis parallel to the turning radius on a main bearing base 4 which is reciprocable on the turning radius. Then, a main shaft rotating portion for rotating the main shaft by power is provided, and the main bearing pedestal reciprocating portion reciprocates the main pedestal on the main trolley on the turning radius by power.
【００１４】芯軸振れ受け部１０は、芯軸の振れを阻止
するよう、芯軸の軸方向の位置で上下から挟む受け部材
を持つ。線材案内部２０は、該芯軸振れ受け部の近く
で、線材を前記芯軸の下側から導入するように、上案内
ローラおよび下案内ローラを持つ。The shaft runout receiver 10 has a receiving member sandwiched from above and below at a position in the axial direction of the shaft so as to prevent the shaft from running. The wire guide 20 has an upper guide roller and a lower guide roller near the core shaft run-out receiving portion so as to introduce the wire from below the core shaft.
【００１５】次にこれらを詳細に説明する。図４におい
て、前記ベッド１の一方隅部には旋回軸受け１ｃが設け
られる。ベッド本体１ａは平面視でほぼ正方形の板状体
からなり、その一方隅（図４の右下部分）を中心とし
て、その隣の隅間に至り四分円状に延びる円弧レール１
ｂが設けられる。Next, these will be described in detail. In FIG. 4, a swivel bearing 1c is provided at one corner of the bed 1. The bed body 1a is formed of a substantially square plate-like body in a plan view, and has an arc rail 1 extending in a quadrant from one corner (lower right portion in FIG. 4) to the adjacent corner.
b is provided.
【００１６】図４，５において、主軸台車２は、前記ベ
ッド１の旋回軸受け１ｃとレール１ｂの間に橋架され、
レールの半径方向に沿って長い平面視で大略矩形の台車
本体２ａを持ち、該本体の下面から前記レール付近に向
かって脚部２ｂが垂下され、該脚部に車輪２ｃが設けら
れ、かつ、前記本体の下面から前記ベッドの旋回軸受け
１ｃに受けられる中空旋回軸２ｄが垂下される。4 and 5, the main carriage 2 is bridged between the swing bearing 1c of the bed 1 and the rail 1b.
A carriage body 2a having a substantially rectangular shape in plan view that is long along the radial direction of the rail, a leg 2b hanging down from the lower surface of the body toward the vicinity of the rail, and a wheel 2c provided on the leg; A hollow revolving shaft 2d received by the revolving bearing 1c of the bed is suspended from the lower surface of the main body.
【００１７】主軸旋回部３において、前記主軸台車本体
２ａのレール半径方向外側の位置に、旋回モータ３ａが
その軸を下向きにして設置される。モータ軸にはタイミ
ングプーリ３ｂが取り付けられ、また、該プーリを平面
視三角形の１頂点として、他の２頂点の位置で、レール
外側面に接近して、ガイドプーリ３ｃが主軸台車本体２
ａの下面に取り付けられる。そして、これら３個のプー
リ３ｂ，３ｃ，３ｃに張り渡されたタイミングベルト３
ｄの両側が、レール１ｂの外側面に沿って張り渡され、
それらの端部が固定される。In the main spindle turning section 3, a turning motor 3a is installed at a position radially outward of the main spindle body 2a in the rail radial direction with its shaft directed downward. A timing pulley 3b is attached to the motor shaft, and the pulley serves as one vertex of the triangle in plan view and approaches the rail outer surface at the other two vertices.
a. The timing belt 3 stretched over these three pulleys 3b, 3c, 3c
d, both sides are stretched along the outer surface of the rail 1b,
Their ends are fixed.
【００１８】図６，７において、主軸受け台４は矩形の
鉛直断面を持ち、旋回半径方向に長い筒状本体４ａの両
端開口部が壁で閉鎖され、これらの壁に軸受け４ｂが設
けられる。主軸受け台４は主軸台車２の鉛直壁２ｅの前
面で水平方向に往復自在に装架されている。そして、主
軸受け台本体４ａを水平に貫通して主軸本体５ａが軸受
け４ｂに受けられ、その旋回軸側の端部にはチャック５
ｂを持ち、それに水平芯軸６を着脱自在に取り付けてい
る。In FIGS. 6 and 7, the main bearing base 4 has a rectangular vertical cross section, and both ends of a cylindrical main body 4a that is long in the direction of the turning radius are closed by walls, and bearings 4b are provided on these walls. The main bearing base 4 is mounted on the front surface of the vertical wall 2e of the main carriage 2 so as to be reciprocable in the horizontal direction. The main body 5a is horizontally passed through the main body 4a, and the main body 5a is received by the bearing 4b.
b, and the horizontal core shaft 6 is detachably attached thereto.
【００１９】主軸回転部７において、主軸モータ７ａが
主軸受け台本体４ａの上側面（旋回水平面に平行な平
面）に、モータ軸を水平向きとして設置され、それに連
結された伝動手段７ｂにより主軸５はその軸線回りに回
転される。伝動手段７ｂとして、主軸受け台本体４ａの
前壁を前後に貫通した第１，第２中間軸７ｆ，７ｇが設
けられ、モータ７ａと第１中間軸７ｆとの間にベルト伝
動部７ｃ，第１，第２中間軸７ｆ，７ｇ間に平行軸歯車
伝動部７ｄ，第２中間軸７ｇと主軸本体５ａとの間にウ
ォーム歯車伝動部７ｅが設けられる。In the main spindle rotating section 7, a main spindle motor 7a is installed on the upper side surface (plane parallel to the turning horizontal plane) of the main main body 4a with the motor shaft oriented horizontally, and the main shaft 5 is connected by a transmission means 7b connected thereto. Is rotated about its axis. As the transmission means 7b, first and second intermediate shafts 7f and 7g penetrating the front wall of the main body 4a of the main body 4a are provided, and the belt transmission portion 7c and the second intermediate shaft 7f are provided between the motor 7a and the first intermediate shaft 7f. 1, a parallel shaft gear transmission 7d is provided between the second intermediate shafts 7f and 7g, and a worm gear transmission 7e is provided between the second intermediate shaft 7g and the main spindle body 5a.
【００２０】主軸受け台往復部８において、主軸受け台
４の後面にナット部材８ａが固定され、それにねじ合う
送りネジ棒８ｂが旋回半径方向に延びて、主軸台車本体
の鉛直壁２ｅの前面に回転自在に設けられる。また、鉛
直壁２ｅの前面には、前記送りネジ棒８ｂを挟む上下両
側にレール８ｃが敷設され、これに摺動自在に係合する
シュー８ｄが主軸受け台４の後面に設けられる。送りネ
ジ棒８ｂの反旋回軸側端部にはベルト伝動手段８ｅを介
して、送りモータ８ｆが主軸台車本体の鉛直壁２ｅの反
旋回軸側端の後面に取り付けられる。In the reciprocating portion 8 of the main bearing base, a nut member 8a is fixed to the rear surface of the main bearing base 4, and a feed screw rod 8b screwed to the nut member 8a extends in the turning radius direction, and is provided on the front surface of the vertical wall 2e of the main body of the main carriage. It is provided rotatably. On the front surface of the vertical wall 2e, rails 8c are laid on both upper and lower sides of the feed screw rod 8b, and shoes 8d slidably engaged with the rails 8c are provided on the rear surface of the main bearing base 4. A feed motor 8f is attached to the rear end of the vertical wall 2e of the main body of the spindle bogie via a belt transmission means 8e at the end of the feed screw rod 8b opposite to the turning shaft.
【００２１】図４において、旋回レール１ｂの長さ方向
中央を通る旋回半径上で、ベッド１の上面に原点リミッ
トスイッチ９ａが設置され、該旋回半径を挟んで３０度
だけ離れた位置を通る旋回半径上に、一方、他方限界リ
ミットスイッチ９ｂ，９ｃが設置される。これらスイッ
チと接触する作動片９ｅが主軸台車２に設けられる。そ
して図５において、ガイドプーリ３ｃの軸上端に回転数
信号を出力するエンコーダ９ｄが接続されている。In FIG. 4, an origin limit switch 9a is provided on the upper surface of the bed 1 on a turning radius passing through the center in the longitudinal direction of the turning rail 1b, and the turning rail passes through a position 30 degrees away from the turning radius. On the other hand, limit switches 9b and 9c are provided on the radius. An operating piece 9e that comes into contact with these switches is provided on the spindle carriage 2. In FIG. 5, an encoder 9d for outputting a rotation speed signal is connected to the upper end of the shaft of the guide pulley 3c.
【００２２】図８，９で、前記芯軸振れ受け部１０にお
いて、前記芯軸６の一方側面から間隔を存し、その軸線
に平行で主軸台車本体２ａから壁部材１１が直立し、そ
の芯軸６に対向する側面には、芯軸６の軸線高さの位置
に挟んで上下にレール１２が設けられ、これらに係合し
たシュー１３ａを持つ直立した柱部材１３が、前記芯軸
６に接近してそれに平行に摺動自在に設けられる。該柱
部材から前記芯軸６の上側および下側を筋違いに直交し
て張り出したアーム１５ａ，１６ａに、前記芯軸に接触
回転するローラ１５ｂ，１６ｂが設けられてなる上受け
部材１５および下受け部材１６が設けられる。また、
上，下受け部材１５，１６は受け部材昇降部１７によっ
て逆方向に連動して上下される。即ち、アーム１５ａ，
１６ａの基端からナット部材１７ａが突設され、これに
ねじ合う直立した送りネジ棒１７ｂの上端に昇降モータ
１７ｃが連結される。また、柱部材１３はレール１２に
沿って柱部材移動ピストンシリンダ１４により往復され
る。In FIGS. 8 and 9, in the core shaft run-out receiving portion 10, a wall member 11 is spaced from one side surface of the core shaft 6, parallel to the axis thereof, and stands upright from the main body 2a. On the side surface facing the shaft 6, rails 12 are provided vertically above and below the position of the axis height of the core shaft 6, and an upright column member 13 having a shoe 13 a engaged therewith is provided on the core shaft 6. It is slidably provided close to and parallel to it. Upper and lower receiving members 15 and 16 are provided with rollers 15b and 16b, which are provided on the arms 15a and 16a projecting from the column member so that the upper and lower sides of the core shaft 6 are orthogonal to each other at right angles. A member 16 is provided. Also,
The upper and lower receiving members 15 and 16 are moved up and down in conjunction with the receiving member elevating unit 17 in opposite directions. That is, the arms 15a,
A nut member 17a protrudes from the base end of 16a, and an elevating motor 17c is connected to the upper end of an upright feed screw rod 17b screwed with the nut member 17a. The column member 13 is reciprocated by the column member moving piston cylinder 14 along the rail 12.
【００２３】図１０〜１２で、前記線材案内部２０は、
昇降台２３と、該昇降台の上面に設けられ、前記芯軸６
に向かって進退する往復台２５と、該往復台の上面に設
置された上案内ローラ部２８と下案内ローラ部２９とを
含む。Referring to FIGS. 10 to 12, the wire guide 20 is
A lifting platform 23 provided on the upper surface of the lifting platform,
, And an upper guide roller unit 28 and a lower guide roller unit 29 installed on the upper surface of the carriage.
【００２４】旋回軸受け１ｃの近くでベッド１の一辺
（前辺）に接近してそれに直交する姿勢で、２枚の平面
壁部材２１，２１が互いに間隔を存して平行に、床面か
ら立設される。これら壁部材の対向面には、各々上下に
延びる突条となる上下ガイド２２が設けられる。そし
て、上下ガイドに沿って上下する矩形ブロック状の昇降
台２３が昇降手段たる油圧ジャッキに２４より昇降され
る。The two flat wall members 21 and 21 stand parallel to each other at an interval from each other in a posture approaching one side (front side) of the bed 1 near the swivel bearing 1c and perpendicular to the one side. Is established. On the opposing surfaces of these wall members, there are provided up and down guides 22 which are ridges extending vertically. Then, a rectangular block-shaped elevating table 23 that moves up and down along the up-and-down guide is moved up and down by a hydraulic jack 24 as elevating means.
【００２５】昇降台２３の上面でベッド１に向かって左
右縁には、ベッド１に向かって長く延びる往復ガイド２
６が設けられ、これらに係合する矩形ブロック状往復台
２５が往復手段たるピストンシリンダ２７により、ベッ
ド１に向かって進退する。A reciprocating guide 2 extending long toward the bed 1 is provided on the left and right edges of the upper surface of the elevator 23 toward the bed 1.
6 are provided, and the rectangular block-shaped carriage 25 engaging with them is moved toward and away from the bed 1 by a piston cylinder 27 as a reciprocating means.
【００２６】上案内ローラ部２８において、往復台２５
の上面に柱２８ａが立設され、これに送りネジ棒２８ｄ
が直立して回転自在に取り付けられ、送りネジ棒２８ｄ
の上端にハンドル２８ｅが結合される。送りネジ棒２８
ｄにねじ合うナット部材２８ｃに、上案内ローラ２８ｂ
が水平軸線回りに回転自在に設けられる。これにより、
上案内ローラ２８ｂは昇降される。また、上案内ローラ
２８ｂより下方、かつ、ベッド１に対し前方の位置に、
下案内ローラ２９ｂがブラケット２９ａを介して回転自
在に設けられる。In the upper guide roller portion 28, the carriage 25
A pillar 28a is erected on the upper surface of the lead screw rod 28d.
Is mounted upright and rotatably, and the feed screw rod 28d
The handle 28e is connected to the upper end of. Feed screw rod 28
The upper guide roller 28b
Are provided rotatably about a horizontal axis. This allows
The upper guide roller 28b is moved up and down. Further, at a position below the upper guide roller 28b and in front of the bed 1,
A lower guide roller 29b is rotatably provided via a bracket 29a.
【００２７】図１３，１４において、前記芯軸６の先端
付近に設けられた前記線材仮止め手段３０は、前記芯軸
の端面に突設され、該芯軸の回転軸線に平行な軸線を持
つピン３１と、該ピンの先端に取り付けられて、その回
りに揺動自在とされＬ字状爪部材３２とからなる。そし
て、該爪部材と前記芯軸との間に線材先端部分を導入
し、芯軸を回転させたとき、前記爪部材３２が線材Ａと
の摩擦力により芯軸６の回転方向に対し逆方向（仮想線
から実線の方向）に回動して、芯軸との間で線材を挟持
固定するようにしたものである。この形式は、線材Ａが
熱間で成形される場合に有効であるが、冷間でも勿論有
効である。爪部材３２が芯軸に対し固定されていると、
芯軸６回転と共に爪部材が一体回転し、熱い線材が芯軸
に沿って曲げられてしまい、芯軸に固定できない。13 and 14, the wire rod temporary fixing means 30 provided near the tip of the core shaft 6 projects from the end surface of the core shaft and has an axis parallel to the rotation axis of the core shaft. It comprises a pin 31 and an L-shaped claw member 32 which is attached to the tip of the pin and is swingable therearound. When the tip of the wire is introduced between the claw member and the core shaft, and the core shaft is rotated, the claw member 32 is rotated in a direction opposite to the rotation direction of the core shaft 6 by frictional force with the wire A. (In the direction from the imaginary line to the solid line) to pinch and fix the wire rod with the core shaft. This type is effective when the wire A is hot-formed, but is also effective when cold. When the claw member 32 is fixed to the core shaft,
The claw member rotates integrally with the rotation of the core shaft 6, and the hot wire is bent along the core shaft and cannot be fixed to the core shaft.
【００２８】以上において前記実施例の作動状態を説明
する。図４において、主軸台車２は原点位置にあり、作
動片９ｅは原点スイッチ９ａを作動しており、主軸５，
芯軸６の軸線はベッド１ａの前辺に平行であり、この原
点位置を境界に右，左回りに最大３０度旋回する。今成
形すべきコイルの線材Ａの直径とコイルピッチをもと
に、線材案内部２０からの線材導入方向に対し主軸５
（芯軸６）に対する角度が決められる。そしてこの数値
による信号を受けて主軸旋回部３が作動され、旋回モー
タ３ａが回転し、タイミングプーリ３ｂがタイミングベ
ルト３ｄにかみ合い、ガイドプーリ３ｃはタイミングベ
ルト３ｄにかみ合いながら、レール１ｂの外側面に沿っ
て転動する。そしてエンコーダ９ｄからの信号により限
界スイッチ９ｂ，９ｃ間で主軸台車２は停止する。The operation of the above embodiment will now be described. In FIG. 4, the spindle carriage 2 is at the origin position, the operating piece 9e operates the origin switch 9a, and the spindle 5,
The axis of the core shaft 6 is parallel to the front side of the bed 1a, and turns 30 degrees clockwise or counterclockwise around this origin position. Based on the diameter of the wire A of the coil to be formed and the coil pitch, the main shaft 5 is moved in the wire introduction direction from the wire guide 20.
The angle with respect to (core axis 6) is determined. In response to the signal of this numerical value, the main shaft turning portion 3 is operated, the turning motor 3a is rotated, the timing pulley 3b is engaged with the timing belt 3d, and the guide pulley 3c is engaged with the timing belt 3d, and is on the outer surface of the rail 1b. Roll along. Then, the spindle carriage 2 stops between the limit switches 9b and 9c by a signal from the encoder 9d.
【００２９】次に図８，９で、芯軸振れ受け部１０が作
動され、柱移動部１４が作動して、柱部材１３はレール
１２に沿って壁部材１１に対し移動して、線材案内部２
０の近くまで送る。次に受け部材昇降部１７が作動さ
れ、送りネジ棒１７ｂが回されてナット部材１７ａによ
り上下受け部材のアーム１５ａ，１６ａが芯軸に近づ
き、芯軸の表面にローラ１５ｂ，１６ｂが接触し、振れ
を阻止する。Next, in FIGS. 8 and 9, the core shaft run-out receiving part 10 is operated, the column moving part 14 is operated, and the column member 13 moves with respect to the wall member 11 along the rail 12 to guide the wire rod. Part 2
Send to near zero. Next, the receiving member elevating unit 17 is operated, the feed screw rod 17b is turned, and the arms 15a, 16a of the upper and lower receiving members approach the core shaft by the nut member 17a, and the rollers 15b, 16b contact the surface of the core shaft, Prevent run-out.
【００３０】次に図１０〜１２で線材案内部２０が作動
され、壁部材２１の上下ガイド２２に沿って昇降台２３
が昇降手段２４により上昇して、設定位置で止まる。次
に往復台２５が往復ガイド２６を介して送られ、芯軸６
近くまで出て行く。次に線材Ａは下案内ローラ部２９の
下案内ローラ２９ｂに受けられた状態である。そして上
案内ローラ部２８のハンドル２８ｅを回せば、送りネジ
棒２８ｄによってナット部材２８ｃを介して、上案内ロ
ーラ２８ｂが下げられて線材Ａの上面に接触する。この
ようにして線材Ａは上下ローラ２８ｂ，２９ｂによって
挟まれた状態で案内される。次に図１３，１４に示す線
材仮止め手段３０により、線材Ａの先端部が芯軸６の円
周部に仮止めされる。Next, in FIGS. 10 to 12, the wire guide section 20 is operated, and the elevating table 23 is moved along the vertical guide 22 of the wall member 21.
Rises by the elevating means 24 and stops at the set position. Next, the carriage 25 is sent via the reciprocating guide 26 and the core shaft 6
Go out close. Next, the wire A is received by the lower guide roller 29b of the lower guide roller unit 29. When the handle 28e of the upper guide roller portion 28 is turned, the upper guide roller 28b is lowered by the feed screw rod 28d via the nut member 28c, and comes into contact with the upper surface of the wire A. In this manner, the wire A is guided while being sandwiched between the upper and lower rollers 28b and 29b. Next, the distal end of the wire A is temporarily fixed to the circumference of the core shaft 6 by the wire rod temporary fixing means 30 shown in FIGS.
【００３１】次に図６，７で、主軸回転部７が作動され
て、主軸モータ７ａの回転が伝動手段７ｂのベルト伝動
部７ｃ，平行軸歯車伝動部７ｄ，ウォーム歯車伝動部７
ｅを介して主軸５が回転されて、それとともに芯軸６が
回転される。またこれと連動して、主軸受け台往復部８
が作動され、送りモータ８ｆの回転によって送りネジ棒
８ｂが回転し、ナット部材８ａによって主軸受け台４は
レール８ｃに沿って図６，１，２の右側に移動して行
く。この状態で線材案内部２０を介して線材Ａの送りが
開始される。そして、線材は芯軸の周囲に巻き付けられ
て行く。Next, in FIGS. 6 and 7, the main shaft rotating unit 7 is operated, and the rotation of the main shaft motor 7a is controlled by the belt transmission unit 7c, the parallel shaft gear transmission unit 7d, and the worm gear transmission unit 7b of the transmission means 7b.
e, the main shaft 5 is rotated, and the core shaft 6 is rotated together therewith. In conjunction with this, the main bearing base reciprocating section 8
Is operated, the feed screw rod 8b is rotated by the rotation of the feed motor 8f, and the main bearing base 4 is moved by the nut member 8a along the rail 8c to the right in FIGS. In this state, the feeding of the wire A via the wire guide 20 is started. Then, the wire is wound around the core shaft.
【００３２】図１，２のごとく、芯軸６は芯軸振れ受け
部１０より右側に出て行き、その部分にコイルバネが成
形されて行く。そして、定尺の線材が全て芯軸６に巻か
れると成形が終わり、芯軸６の回転は止まり、主軸台車
２が原点位置（図４の状態）に復帰する。次に芯軸振れ
受け部１０が作動してローラ１５ｂ，１６ｂを芯軸６か
ら少し離す。そして、主軸受け台４が逆方向（左向き）
に移動して芯軸６が左に退避すると、コイルバネはロー
ラ１５ｂ，１６ｂに邪魔されて左に移動せず、そのまま
芯軸６は左にコイルバネから抜けて行く。その後、コイ
ルバネはその直下に待機していた製品受け台車４０に受
け取られ、レール４１に沿って右方へ移送される。As shown in FIGS. 1 and 2, the core shaft 6 extends to the right from the core shaft run-out receiving portion 10, and a coil spring is formed at that portion. Then, when all the fixed-size wires are wound around the core shaft 6, the forming is completed, the rotation of the core shaft 6 stops, and the spindle carriage 2 returns to the origin position (the state of FIG. 4). Next, the core shaft run-out receiving part 10 operates to move the rollers 15b and 16b slightly away from the core shaft 6. And the main bearing base 4 is in the opposite direction (leftward)
When the core shaft 6 moves to the left and retracts to the left, the coil spring does not move to the left due to the obstruction of the rollers 15b and 16b, and the core shaft 6 leaves the coil spring as it is. Thereafter, the coil spring is received by the product receiving trolley 40 waiting immediately below the coil spring, and transferred to the right along the rail 41.
【００３３】図１５において、前記芯軸６の先端付近に
設けられた前記線材仮止め手段３０は、前記芯軸の先端
付近にボルト３４で固定され、該芯軸の円周面との間に
線材を挟むようＬ字状爪部材３３からなる。この形式
は、線材Ａが冷間で成形される場合に有効であり、爪部
材３３は固定され、線材Ａの先端は芯軸に沿って曲げら
れない。In FIG. 15, the wire rod temporary fixing means 30 provided near the tip of the core shaft 6 is fixed to the vicinity of the tip of the core shaft with bolts 34, and is provided between the wire and the circumferential surface of the core shaft. An L-shaped claw member 33 sandwiches the wire. This type is effective when the wire A is formed cold, the claw member 33 is fixed, and the tip of the wire A is not bent along the core axis.
【００３４】図１６において、前記芯軸の末端付近に設
けられた前記線材仮止め手段は、前記芯軸の前記主軸へ
のチャック手段５ｂの本体に設けられ、前記芯軸の円周
面との間に線材を挟むような爪部材３５からなる。In FIG. 16, the wire rod temporary fixing means provided near the end of the core shaft is provided on the main body of the chucking means 5b to the main shaft of the core shaft, and is provided with a circumferential surface of the core shaft. It consists of a claw member 35 that sandwiches a wire between them.
【００３５】さてここで、図１，３，１３のごとく、線
材Ａが芯軸６の先端側で、その下側から導入され、芯軸
の末端から先端に向かって右回り（図１３では左回り）
に芯軸６を回転させるとき、成形されるコイルバネは右
巻きとなる。これに対し、芯軸６を左回りさせれば、左
巻きとなる。また、芯軸先端の上側から線材Ａを導入
し、芯軸を右回りさせれば、左巻きとなり、左回りさせ
れば右巻きとなる。Now, as shown in FIGS. 1, 3, and 13, the wire A is introduced from the lower end of the core shaft 6 at the distal end thereof, and turns clockwise from the end of the core shaft toward the distal end (in FIG. Around)
When the core shaft 6 is rotated, the formed coil spring is wound right. On the other hand, if the core shaft 6 is turned counterclockwise, it becomes a left-handed winding. When the wire A is introduced from above the tip of the core shaft and the core shaft is turned clockwise, the wire becomes left-handed.
【００３６】また、線材Ａを芯軸６の末端側で、その下
側から導入し、芯軸を右回りさせれば、左巻きとなり、
左回りさせれば、右巻きとなる。また、芯軸末端側でそ
の上側から導入し、芯軸を右回りさせれば、右巻き、左
回りさせれば、左巻きとなる。When the wire A is introduced from the lower end of the core shaft 6 at the end thereof, and the core shaft is turned clockwise, the wire A is wound left.
If you turn it counterclockwise, it turns right. In addition, when the core shaft is introduced from above at the end of the core shaft, the core shaft is turned clockwise if it is turned clockwise, and it is turned left if it is turned counterclockwise.
【００３７】本発明は前記した実施例や実施態様に限定
されず、特許請求の精神および範囲を逸脱せずに種々の
変形を含む。The present invention is not limited to the embodiments and embodiments described above, but includes various modifications without departing from the spirit and scope of the claims.
【００３８】[0038]
【発明の効果】本発明の構成により、線材はその供給方
向を一定のままで芯軸に巻き付けられていくので、不都
合な応力や歪みが生ずる事なく、品質のよいコイルバネ
が提供できることとなった。According to the structure of the present invention, since the wire is wound around the core shaft while the supply direction thereof is kept constant, it is possible to provide a high quality coil spring without causing any undesired stress or distortion. .
【図１】本発明の一実施例の平面図である。FIG. 1 is a plan view of an embodiment of the present invention.
【図２】図１の正面図である。FIG. 2 is a front view of FIG.
【図３】図２の右側面図である。FIG. 3 is a right side view of FIG. 2;
【図４】図１の要部拡大図である。FIG. 4 is an enlarged view of a main part of FIG. 1;
【図５】図４のV―V断面図である。FIG. 5 is a sectional view taken along line VV of FIG. 4;
【図６】図５のVI―VI断面図（主軸の縦断面図）であ
る。FIG. 6 is a sectional view taken along line VI-VI of FIG. 5 (longitudinal sectional view of a main shaft).
【図７】図６のVII―VII断面図である。FIG. 7 is a sectional view taken along the line VII-VII of FIG. 6;
【図８】図３の要部拡大図で、芯軸振れ受け部の右側面
図である。8 is an enlarged view of a main part of FIG. 3 and is a right side view of a core shaft run-out receiving part.
【図９】図８の平面図である。FIG. 9 is a plan view of FIG.
【図１０】図２の要部拡大断面図であって、線材案内部
の正面図である。FIG. 10 is an enlarged sectional view of a main part of FIG. 2 and is a front view of a wire rod guide.
【図１１】図１０の右側面図である。FIG. 11 is a right side view of FIG.
【図１２】図１０の平面図である。FIG. 12 is a plan view of FIG. 10;
【図１３】図３の要部拡大図で、線材仮止め手段の右側
面図である。FIG. 13 is an enlarged view of a main part of FIG. 3 and is a right side view of a wire rod temporary fixing means.
【図１４】図１３の部分断面図である。FIG. 14 is a partial sectional view of FIG.
【図１５】線材仮止め手段の他の実施例図である。FIG. 15 is a view showing another embodiment of the wire rod temporary fixing means.
【図１６】線材仮止め手段の更に他の実施例図である。FIG. 16 is a view showing still another embodiment of the wire rod temporary fixing means.
Ａ 線材 １ ベッド １ａ 本体 １ｂ 旋回レール １ｃ 旋回軸受け ２ 主軸台車 ２ａ 本体 ２ｂ 脚部 ２ｃ 車輪 ２ｄ 旋回軸 ３ 主軸旋回部 ３ａ 旋回モータ ３ｂ タイミングプーリ ３ｃ ガイドプーリ ３ｄ タイミングベルト ４ 主軸受け台 ４ａ 本体 ４ｂ 軸受け ５ 主軸 ５ａ 本体 ５ｂ チャック ６ 芯軸 ７ 主軸回転部 ７ａ 主軸モータ ７ｂ 伝動手段 ７ｃ ベルト伝動部 ７ｄ 平行軸歯車伝動部 ７ｅ ウォーム歯車伝動部 ７ｆ 第１中間軸 ７ｇ 第２中間軸 ８ 主軸受台往復部 ８ａ ナット部材 ８ｂ 送りネジ棒 ８ｃ レール ８ｄ シュー ８ｅ 伝動手段 ８ｆ 送りモータ ９ 位置決め手段 ９ａ 原点スイッチ ９ｂ 一方限界スイッチ ９ｃ 他方限界スイッチ ９ｄ エンコーダ １０ 芯軸振れ受け部 １１ 壁部材 １２ レール １３ 柱部材 １３ａ シュー １４ 柱部材移動部 １４ａ ピストンシリンダ １５ 上受け部材 １５ａ アーム １５ｂ ローラ １６ 下受け部材 １６ａ アーム １６ｂ ローラ １７ 上受け部材昇降部 １７ａ ナット部材 １７ｂ 送りネジ棒 １７ｃ 昇降モータ ２０ 線材案内部 ２１ 壁部材 ２２ 上下ガイド ２３ 昇降台 ２４ 昇降手段 ２５ 往復台 ２６ 往復ガイド ２７ 往復手段 ２８ 上案内ローラ部 ２８ａ 柱 ２８ｂ 上案内ローラ ２８ｃ ナット部材 ２８ｄ 送りネジ棒 ２８ｅ ハンドル ２９ 下案内ローラ部 ２９ａ ブラケット ２９ｂ 下案内ローラ ３０ 線材仮止め手段 ３１ ピン ３２ 爪部材 ３３ 爪部材 ３５ 爪部材 A Wire 1 Bed 1a Main body 1b Swivel rail 1c Swivel bearing 2 Main spindle carriage 2a Main body 2b Leg 2c Wheel 2d Swivel shaft 3 Main shaft swivel part 3a Swivel motor 3b Timing pulley 3c Guide pulley 3d Timing belt 4 Main support base 4a Main body 4b Bearing 5 Main shaft 5a Main body 5b Chuck 6 Core shaft 7 Main shaft rotating unit 7a Main shaft motor 7b Transmission means 7c Belt transmission unit 7d Parallel shaft gear transmission unit 7e Worm gear transmission unit 7f First intermediate shaft 7g Second intermediate shaft 8 Main bearing base reciprocating unit 8a Nut member 8b Feed screw rod 8c Rail 8d Shoe 8e Transmission means 8f Feed motor 9 Positioning means 9a Origin switch 9b One limit switch 9c The other limit switch 9d Encoder 10 Core shaft run-out receiving part 11 Wall member 12 Rail 13 Column member 13a Shoe 14 Column Material moving part 14a Piston cylinder 15 Upper receiving member 15a Arm 15b Roller 16 Lower receiving member 16a Arm 16b Roller 17 Upper receiving member elevating part 17a Nut member 17b Feed screw rod 17c Elevating motor 20 Wire rod guiding part 21 Wall member 22 Vertical guide 23 Elevating Table 24 Elevating means 25 Reciprocating stand 26 Reciprocating guide 27 Reciprocating means 28 Upper guide roller portion 28a Column 28b Upper guide roller 28c Nut member 28d Feed screw rod 28e Handle 29 Lower guide roller portion 29a Bracket 29b Lower guide roller 30 Temporary wire rod fixing means 31 Pin 32 Claw member 33 Claw member 35 Claw member
Claims (2)
該レールの円弧中心位置に旋回軸または旋回軸受けを持
つベッドと、 該ベッドに載置されて前記レールに沿って水平面内で旋
回できるよう、前記旋回軸または旋回軸受けに回転自在
に嵌合する旋回軸または旋回軸受けを持ち、かつ、前記
レールに対する係合部材を持つ主軸台車と、 該主軸台車を前記旋回軸回りに動力旋回させる主軸旋回
部と、 前記主軸台車上に設置され、前記旋回半径上を往復自在
とされた主軸受け台と、 該主軸受け台の上で、旋回半径の直上でそれに平行な軸
線回りに回転自在に支持された主軸と、 該主軸を動力により回転させる主軸回転部と、 前記主軸受け台を前記主軸台車上で、旋回半径上を動力
により往復させる主軸受け台往復部と、 前記主軸の先端に同心に着脱自在に取り付けられた芯軸
と、 前記ベッドの旋回軸または旋回軸受けの近くに設置さ
れ、線材を前記芯軸の上側または下側から前記ベッドの
旋回中心上を導入するように、上案内および下案内を持
つ線材案内部と、 前記芯軸の先端付近または末端付近に設けられた線材仮
止め手段とを含み、 前記芯軸の振れを阻止するよう、芯軸の軸方向の位置で
上下から挟む受け部材を持った芯軸振れ受け部が設けら
れ、 前記芯軸振れ受け部は、前記芯軸に接近して前記主軸台
車から直立した柱部材と、該柱部材から前記芯軸の上側
および下側を筋違いに直交して張り出したアームに、前
記芯軸に接触回転するローラが設けられてなる上受け部
材および下受け部材とを含むことを特徴とするコイルバ
ネの製造装置。A rail extending in an arc shape in a plan view,
A bed having a swivel axis or a swivel bearing at an arc center position of the rail; and a swivel rotatably fitted to the swivel axis or the swivel bearing so as to be mounted on the bed and swivel along a horizontal plane along the rail. A spindle bogie having a shaft or a swivel bearing, and having an engaging member for the rail; a spindle revolving portion for power-spinning the spindle bogie about the revolving axis; A spindle that is reciprocally movable, a spindle that is rotatably supported on an axis just above a turning radius and about an axis parallel to the spindle, and a spindle rotating unit that rotates the spindle by power. A reciprocating part of the bearing base for reciprocating the bearing base on the spindle bogie on a turning radius by power; a core shaft concentrically detachably attached to a tip of the main shaft; and A wire guide portion having an upper guide and a lower guide, which is installed near a rotating shaft or a swivel bearing, and introduces the wire from above or below the core shaft onto the center of rotation of the bed; A wire rod temporary fixing means provided near the front end or near the end, and a shaft runout receiving portion having a receiving member sandwiched from above and below at a position in the axial direction of the core shaft so as to prevent the runout of the core shaft. The core shaft run-out receiving portion, a column member approaching the core shaft and standing upright from the spindle carriage, and an arm projecting perpendicularly to the upper and lower sides of the core shaft from the column member, An apparatus for manufacturing a coil spring, comprising an upper receiving member and a lower receiving member provided with a roller that rotates in contact with the core shaft.
該レールの円弧中心位置に旋回軸または旋回軸受けを持
つベッドと、 該ベッドに載置されて前記レールに沿って水平面内で旋
回できるよう、前記旋回軸または旋回軸受けに回転自在
に嵌合する旋回軸または旋回軸受けを持ち、かつ、前記
レールに対する係合部材を持つ主軸台車と、 該主軸台車を前記旋回軸回りに動力旋回させる主軸旋回
部と、 前記主軸台車上に設置され、前記旋回半径上を往復自在
とされた主軸受け台と、 該主軸受け台の上で、旋回半径の直上でそれに平行な軸
線回りに回転自在に支持された主軸と、 該主軸を動力により回転させる主軸回転部と、 前記主軸受け台を前記主軸台車上で、旋回半径上を動力
により往復させる主軸受け台往復部と、 前記主軸の先端に同心に着脱自在に取り付けられた芯軸
と、 前記ベッドの旋回軸または旋回軸受けの近くに設置さ
れ、線材を前記芯軸の上側または下側から前記ベッドの
旋回中心上を導入するように、上案内および下案内を持
つ線材案内部と、 前記芯軸の先端付近または末端付近に設けられた線材仮
止め手段とを含み、 前記芯軸の先端付近に設けられた前記線材仮止め手段
は、前記芯軸の端面に突設され、該芯軸の回転軸線に平
行な軸線を持つピンと、該ピンの先端に取り付けられ
て、その回りに揺動自在とされＬ字状爪部材とを含み、 該爪部材と前記芯軸との間に線材先端部分を導入し、芯
軸を回転させたとき、前記爪部材が線材との摩擦力によ
り芯軸の回転方向に対し逆方向に回動して、芯軸との間
で線材を挟持固定するようにしたことを特徴とするコイ
ルバネの製造装置。2. It has a rail extending in an arc shape in plan view,
A bed having a swivel axis or a swivel bearing at an arc center position of the rail; and a swivel rotatably fitted to the swivel axis or the swivel bearing so as to be mounted on the bed and swivel along a horizontal plane along the rail. A spindle bogie having a shaft or a swivel bearing, and having an engaging member for the rail; a spindle revolving portion for power-spinning the spindle bogie about the revolving axis; A spindle that is reciprocally movable, a spindle that is rotatably supported on an axis just above a turning radius and about an axis parallel to the spindle, and a spindle rotating unit that rotates the spindle by power. A reciprocating part of the bearing base for reciprocating the bearing base on the spindle bogie on a turning radius by power; a core shaft concentrically detachably attached to a tip of the main shaft; and A wire guide portion having an upper guide and a lower guide, which is installed near a rotating shaft or a swivel bearing, and introduces the wire from above or below the core shaft onto the center of rotation of the bed; A wire rod temporary fixing means provided near the front end or near the end, wherein the wire rod temporary fixing means provided near the front end of the core shaft projects from an end face of the core shaft, and a rotation axis of the core shaft. And an L-shaped claw member attached to the tip of the pin and swingable around the pin, and a wire tip portion is introduced between the claw member and the core shaft. Then, when the core shaft is rotated, the claw member is rotated in a direction opposite to the rotation direction of the core shaft by a frictional force with the wire, so that the wire is sandwiched and fixed between the core member and the core shaft. An apparatus for manufacturing a coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35290295A JP3184950B2 (en) | 1995-12-28 | 1995-12-28 | Method and apparatus for manufacturing coil spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35290295A JP3184950B2 (en) | 1995-12-28 | 1995-12-28 | Method and apparatus for manufacturing coil spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09182930A JPH09182930A (en) | 1997-07-15 |
| JP3184950B2 true JP3184950B2 (en) | 2001-07-09 |
Family
ID=18427238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35290295A Expired - Fee Related JP3184950B2 (en) | 1995-12-28 | 1995-12-28 | Method and apparatus for manufacturing coil spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3184950B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4536701B2 (en) * | 2006-11-06 | 2010-09-01 | 三菱製鋼株式会社 | Coil spring forming device |
| JP5066506B2 (en) * | 2008-10-27 | 2012-11-07 | 三菱製鋼株式会社 | Coil spring forming method and coil spring |
| CN107309378B (en) * | 2017-08-03 | 2023-05-19 | 山东智衡减振科技股份有限公司 | Full-automatic spiral spring transverse prepressing machine, prepressing method and computer storage medium |
-
1995
- 1995-12-28 JP JP35290295A patent/JP3184950B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09182930A (en) | 1997-07-15 |
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