JPH07106830B2 - Yarn feeder - Google Patents
Yarn feederInfo
- Publication number
- JPH07106830B2 JPH07106830B2 JP61235488A JP23548886A JPH07106830B2 JP H07106830 B2 JPH07106830 B2 JP H07106830B2 JP 61235488 A JP61235488 A JP 61235488A JP 23548886 A JP23548886 A JP 23548886A JP H07106830 B2 JPH07106830 B2 JP H07106830B2
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- dancer arm
- speed
- slack
- variable
- 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 - Lifetime
Links
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は例えば複数個のスピンドルに装着させたボビ
ンの糸を一定張力で解舒しつつ一括給糸して合糸しなが
ら成形巻糸体を作成する場合等における巻糸機えの給糸
装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a molded wound body, for example, which unwinds the threads of a bobbin mounted on a plurality of spindles with a constant tension and collectively feeds the threads. The present invention relates to a yarn feeding device for a yarn winding machine in the case of producing a yarn.
（従来の技術） 従来スピンドルに回転自在に保持させたボビンから糸を
解舒して美しく正しい形態の巻糸体を形成するため糸張
力を均一とするように注意しつつ給糸することは周知で
ある。(Prior Art) Conventionally, it is well known that yarn is unwound from a bobbin that is rotatably held by a spindle to form a beautifully wound yarn body, and that the yarn tension is made uniform so that the yarn tension is uniform. Is.
（発明が解決しようとする問題点） 従来給糸装置として、回転軸線となす角が小さい巻糸を
行う場合、例えば特公平３−71342号公報において開示
される巻糸機の様に、糸をスピンドル両端の鋸歯状フラ
ンジの外側にまで大きく延長した場合は、一旦部分的に
過剰に給糸装置より糸を引き出して巻き取る必要が生じ
るが、このときこの部分の巻糸に続く糸の過剰供給が糸
たるみとなって正常な巻糸の障害となることは避けられ
ない。(Problems to be Solved by the Invention) In the conventional yarn feeder, when winding a yarn having a small angle with the rotation axis, the yarn is wound like a yarn winding machine disclosed in Japanese Patent Publication No. 3-71342. If it is extended to the outside of the serrated flanges on both ends of the spindle, it may be necessary to partially pull the yarn out of the yarn feeder and wind it up, but at this time, the excessive yarn supply following this winding yarn It is unavoidable that the yarn becomes slack and interferes with normal winding.
（問題点を解決するための手段） 本発明は、かかる目的を達成するため、給糸パッケージ
を担持させたスピンドルを糸の解舒方向と巻戻し方向と
に正逆駆動可能な可変速直流電動機と、前記給糸パッケ
ージより引出された糸の給糸経路に設けられ、該糸に所
定の張力を付与しつつ、糸のたるみ量変化の応じて傾動
するダンサーアームと、該ダンサーアームの軸の回動に
連動する可変抵抗器を組込んだブリッジ回路からのたる
み量検出信号にもとづいて前記可変速直流電動機の回転
速度を制御する速度制御手段と、前記ダンサーアームが
ブリッジ回路を電気的平衡状態としたときの平衡位置か
らたるみ量増加側にあるか、又は、たるみ量減少側にあ
るかを検知する光電スイッチと、該光電スイッチの検知
信号にもとづき、ダンサーアームが平衡位置からたるみ
量増加側に位置するときは、前記可変速直流電動機を糸
解舒方向に駆動させる一方、前記ダンサーアームがたる
み量減少側に位置するときは前記可変速直流電動機を糸
巻戻し方向に駆動させる回転方向規制手段とを備えるこ
とを特徴とする。(Means for Solving Problems) In order to achieve such an object, the present invention provides a variable speed DC motor capable of driving a spindle carrying a yarn supplying package forward and backward in a yarn unwinding direction and a rewinding direction. A dancer arm that is provided in the yarn feeding path of the yarn pulled out from the yarn feeding package and tilts in response to a change in the amount of slack of the yarn while applying a predetermined tension to the yarn, and a shaft of the dancer arm. Speed control means for controlling the rotation speed of the variable speed DC motor based on a slack amount detection signal from a bridge circuit incorporating a variable resistor interlocked with rotation, and the dancer arm electrically bridges the bridge circuit. Based on the detection signal of the photoelectric switch and the photoelectric switch that detects whether the slack amount is increasing or the slack amount is decreasing from the equilibrium position when When the position is on the side of increasing the amount of slack, the variable speed DC motor is driven in the yarn unwinding direction, while when the dancer arm is on the side of decreasing the amount of slack, the variable speed DC motor is moved in the direction to rewind the yarn. It is characterized in that it is provided with a rotation direction regulating means for driving.
（作 用） 本発明においては給糸用糸が、たるんだときはダンサー
アームが平衡位置から変位し、これに伴ってブッリジ回
路の可変抵抗の抵抗値が平衡位置における抵抗値から変
化して可変速直流電動機を糸を巻戻す方向に回転させて
糸のたるみをなくすと共に、その巻戻しによりダンサー
アームが平衡状態となったときこれを光電スイッチによ
り検出してその位置を保持させるようにし、常に所定の
糸張力による給糸を行わせる。(Operation) In the present invention, when the yarn for yarn supply is slackened, the dancer arm is displaced from the equilibrium position, and accordingly, the resistance value of the variable resistance of the bridge circuit is changed from the resistance value at the equilibrium position. Rotate the variable-speed DC motor in the direction to rewind the yarn to eliminate slack in the yarn, and when the rewinding causes the dancer arm to reach an equilibrium state, this should be detected by a photoelectric switch to maintain its position. The yarn is fed with a predetermined yarn tension.
（実施例） 本発明の実施例を図について説明する。(Example) An example of the present invention will be described with reference to the drawings.
第１図において１はスピンドル、２は給糸パッケージ、
３はダンサーローラー、４はガイドローラーを示し、ス
ピンドル１に装着された給糸パッケージ２のＹはガイド
ローラー４からダンサーローラー３およびガイドローラ
ー５を経て引出される。In FIG. 1, 1 is a spindle, 2 is a yarn feeding package,
3 is a dancer roller, 4 is a guide roller, and Y of the yarn feeding package 2 mounted on the spindle 1 is pulled out from the guide roller 4 via the dancer roller 3 and the guide roller 5.
スピンドル１は可変速直流電動機７からベルト８を介し
て駆動され、ダンサーローラー３を先端に軸支したダン
サーアーム９にはテンションウエイト10が付加され、該
ウエイト10の大きさおよび位置を加減することにより糸
Ｙの張力を調整するようにし、ダンサーアーム９は略水
平の平衡位置においてスピンドル１の回転が停止し、ダ
ンサーローラー３が上動してダンサーアーム９の左端が
上動するに伴って、パッケージ２から糸Ｙを解舒する方
向にスピンドル１が回転し且つ電動機７の回転速度を次
第に速めるようにした。The spindle 1 is driven by a variable speed DC motor 7 through a belt 8, and a tension weight 10 is added to a dancer arm 9 which pivotally supports a dancer roller 3 at its tip, so that the size and position of the weight 10 can be adjusted. The tension of the thread Y is adjusted by the rotation of the dancer arm 9 at a substantially horizontal equilibrium position, and the rotation of the spindle 1 is stopped, the dancer roller 3 moves upward, and the left end of the dancer arm 9 moves upward. The spindle 1 is rotated in the direction in which the yarn Y is unwound from the package 2 and the rotation speed of the electric motor 7 is gradually increased.
又ダンサーアーム９が平衡状態からその左端が下動する
に伴って糸Ｙをパッケージ２に巻戻す方向にスピンドル
位置を回転させ、且つその速度も次第に速めるようにし
た。Further, as the left end of the dancer arm 9 moves downward from the equilibrium state, the spindle position is rotated in the direction in which the yarn Y is rewound into the package 2, and the speed thereof is gradually increased.
尚、ダンサーアーム９は第２図示のようにフレーム22に
回転自在に支持された軸21によって自由に回動し、該軸
21の端部に取付けたギヤー23をポテンショメータ25の作
動ピニオン24に係合させた。The dancer arm 9 is freely rotated by a shaft 21 rotatably supported by a frame 22 as shown in FIG.
The gear 23 attached to the end of 21 was engaged with the operating pinion 24 of the potentiometer 25.
ポテンショメータ25はダンサーアーム９の水平位置にお
いて第４図で示す可変抵抗器20の可変端子Ａが、抵抗端
子B,Cの略中間に位置するように前記ギヤ23、24の係合
で位置決めし、他方第３図A,Bで示すようにフレーム22
に装備された光電素子を含む光電スイッチ26のスリット
27に遮光片28を移動させるようにし、該遮光片28はダン
サーアーム９の回動軸21に取付けられ、ダンサーアーム
９が第３図Ａで示すように水平位置より下動したとき遮
光片28がスリット27中に位置するようにした。The potentiometer 25 is positioned by the engagement of the gears 23 and 24 so that the variable terminal A of the variable resistor 20 shown in FIG. 4 is positioned substantially in the middle of the resistance terminals B and C in the horizontal position of the dancer arm 9. On the other hand, as shown in FIGS. 3A and 3B, the frame 22
Slit of photoelectric switch 26 including photoelectric element installed in
The light-shielding piece 28 is moved to 27, and the light-shielding piece 28 is attached to the rotary shaft 21 of the dancer arm 9 so that the light-shielding piece 28 moves when the dancer arm 9 moves downward from the horizontal position as shown in FIG. 3A. Is located in the slit 27.
更にフレーム22にリミットスイッチ13を取付け、その作
動子14を軸21に取付けた板カム12により開閉作動させる
ようにした。即ち糸切れ又は給糸停止状態においてはダ
ンサーアーム９は第３図Ａで示すようにフレーム22aに
設けたストッパー11で支承され、このとき板カム12によ
りリミットスイッチ13は非作動状態とし、前記可変速直
流電動機７の回転速度を制御する速度制御手段たる速度
制御機30への速度制御信号を零にする。第３図で示すよ
うにダンサーアーム９が作動状態にある場合は該リミッ
トスイッチ13は作動状態となって該速度制御機30に速度
制御信号を供給する。Further, the limit switch 13 is attached to the frame 22, and the operator 14 of the limit switch 13 is opened and closed by the plate cam 12 attached to the shaft 21. That is, when the yarn breaks or the yarn feeding is stopped, the dancer arm 9 is supported by the stopper 11 provided on the frame 22a as shown in FIG. 3A, at which time the limit switch 13 is deactivated by the plate cam 12 and The speed control signal to the speed controller 30, which is the speed controller for controlling the rotation speed of the variable speed DC motor 7, is set to zero. As shown in FIG. 3, when the dancer arm 9 is in operation, the limit switch 13 is in operation and supplies a speed control signal to the speed controller 30.
次に第４図について説明する。Next, FIG. 4 will be described.
ポテンショメータ25の抵抗端B,Cには夫々固定抵抗R1,R2
が接続され、 可変抵抗VR0と共にブリッジ回路を構成し、該ブリッジ
回路の二辺を形成する可変抵抗VR0はダンサーアーム９
が水平位置でブリッジが平衡を保つように調整する。ブ
リッジ回路の一端45、51には変圧器TR2を介して電源が
供給され、他端44、43は整流器D1を介して可変速直流電
動機７の速度制御手段たる速度制御器30の速度制御端子
62,65に接続される。光電スイッチ26の出力端子62は、
前記可変速直流電動機７を糸巻戻し方向に駆動させる回
転方向規制手段を含む前記速度制御器30の回転方向切換
端子62,68に接続される。第５図はダンサーアーム９の
位置と速度制御端子電圧の関係が示され、第６図は光電
スイッチ26による回転方向の切換に伴う可変速直流電動
機７の回転数とダンサーアーム９の作動関係を示した。Fixed resistors R 1 and R 2 are attached to the resistance terminals B and C of the potentiometer 25, respectively.
Are connected to form a bridge circuit together with the variable resistor VR 0 , and the variable resistor VR 0 forming two sides of the bridge circuit is a dancer arm 9
Adjust the bridge to balance in the horizontal position. Power is supplied to the one ends 45 and 51 of the bridge circuit via the transformer TR 2 , and the other ends 44 and 43 of the bridge circuit are speed controlled by the speed controller 30 which is the speed control means of the variable speed DC motor 7 via the rectifier D 1. Terminal
Connected to 62,65. The output terminal 62 of the photoelectric switch 26 is
It is connected to the rotation direction switching terminals 62, 68 of the speed controller 30 including a rotation direction regulating means for driving the variable speed DC electric motor 7 in the yarn rewinding direction. FIG. 5 shows the relationship between the position of the dancer arm 9 and the speed control terminal voltage, and FIG. Indicated.
尚、図示例における給糸装置は単一にものを示すが、合
糸機等の場合にはこの装置を多段式に設けて、各給糸装
置に本発明を適用させるものである。In the illustrated example, a single yarn feeder is shown, but in the case of a yarn spinning machine or the like, the yarn feeder is provided in multiple stages and the present invention is applied to each yarn feeder.
（発明の効果） 本発明によるときは、必要に応じて糸を引き出すことが
出来るのみならず、 余分に引出された糸はたるみを作ることなく巻き戻され
るので回転軸となす角の小さい巻糸を行う場合の給糸装
置として常に安定した張力で糸を供給して品質の向上に
寄与し、その作動が極めて的確である効果を有する。(Effects of the Invention) According to the present invention, not only the yarn can be drawn out as necessary, but also the extraly drawn yarn is rewound without making slack, so the winding yarn with a small angle with the rotation axis As a yarn feeding device in the case of carrying out, the yarn is always fed with a stable tension to contribute to the improvement of quality, and its operation is extremely accurate.
しかも、本発明によるときは、ダンサーアームの傾動に
連動して可変抵抗器をブリッジ回路に組み込んだため、
ダンサーアームの平衡位置におけるブリッジ回路の電気
的平衡状態をボリュウム等で容易に設定出来る有利さが
ある。Moreover, according to the present invention, since the variable resistor is incorporated in the bridge circuit in conjunction with the tilting of the dancer arm,
There is an advantage that the electrical equilibrium state of the bridge circuit at the equilibrium position of the dancer arm can be easily set with a volume or the like.
図面は本発明の実施態様例を示すもので、第１図は給糸
装置の正面図、第２図は第１図のイ−イ線から見た正面
図、第３図Ａ、Ｂは第２図のロ−ロ線から見た背面図、
第４図は本発明制御作動の電器回路図、第５図、第６図
は夫々作動線図である。 １……スピンドル、７……可変低速直流電動機 ９……ダンサーアーム、20……可変抵抗器 26……光電スイッチ、Ｙ……糸The drawings show an embodiment of the present invention. FIG. 1 is a front view of a yarn feeder, FIG. 2 is a front view taken along the line EE in FIG. 1, and FIGS. The rear view seen from the line of FIG.
FIG. 4 is an electric circuit diagram of the control operation of the present invention, and FIGS. 5 and 6 are operation diagrams. 1 ... Spindle, 7 ... Variable low-speed DC motor 9 ... Dancer arm, 20 ... Variable resistor 26 ... Photoelectric switch, Y ... Thread
Claims (1)
糸の解舒方向と巻戻し方向とに正逆駆動可能な可変速直
流電動機と、 前記給糸パッケージより引出された糸の給糸経路に設け
られ、該糸に所定の張力を付与しつつ、糸のたるみ量変
化の応じて傾動するダンサーアームと、該ダンサーアー
ムの軸の回動に連動する可変抵抗器を組込んだブリッジ
回路からのたるみ量検出信号にもとづいて前記可変速直
流電動機の回転速度を制御する速度制御手段と、 前記ダンサーアームがブリッジ回路を電気的平衡状態と
したときの平衡位置からたるみ量増加側にあるか、又
は、たるみ量減少側にあるかを検知する光電スイッチ
と、 該光電スイッチの検知信号にもとづき、ダンサーアーム
が平衡位置からたるみ量増加側に位置するときは、前記
可変速直流電動機を糸解舒方向に駆動させる一方、前記
ダンサーアームがたるみ量減少側に位置するときは前記
可変速直流電動機を糸巻戻し方向に駆動させる回転方向
規制手段 とを備えることを特徴とする給糸装置。1. A variable speed direct current motor capable of driving a spindle carrying a yarn supplying package forward and reverse in a yarn unwinding direction and a rewinding direction, and a yarn feeding path for a yarn drawn from the yarn supplying package. A bridge circuit is provided which is provided with a dancer arm that tilts in response to a change in the amount of slack of the thread while applying a predetermined tension to the thread, and a variable resistor that interlocks with the rotation of the axis of the dancer arm. Speed control means for controlling the rotation speed of the variable speed DC motor based on a slack amount detection signal, and the dancer arm is on the slack amount increasing side from the equilibrium position when the bridge circuit is in an electrically balanced state, or , A photoelectric switch for detecting whether the slack amount is on the decrease side, and when the dancer arm is located on the slack amount increasing side from the equilibrium position based on the detection signal of the photoelectric switch, And a rotation direction regulating means for driving the variable-speed DC motor in the yarn rewinding direction when the dancer arm is located on the slack reduction side while driving the electric motor in the yarn unwinding direction. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61235488A JPH07106830B2 (en) | 1986-10-04 | 1986-10-04 | Yarn feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61235488A JPH07106830B2 (en) | 1986-10-04 | 1986-10-04 | Yarn feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6392581A JPS6392581A (en) | 1988-04-23 |
| JPH07106830B2 true JPH07106830B2 (en) | 1995-11-15 |
Family
ID=16986795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61235488A Expired - Lifetime JPH07106830B2 (en) | 1986-10-04 | 1986-10-04 | Yarn feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07106830B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070138331A1 (en) * | 2005-12-15 | 2007-06-21 | Kimberly-Clark Worldwide, Inc. | Tension control system for converting packages of elastic thread |
| JP7186485B2 (en) * | 2018-11-29 | 2022-12-09 | Ｎｉｔｔｏｋｕ株式会社 | Feeding device for tensioning wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837050A (en) * | 1971-09-13 | 1973-05-31 | ||
| JPS5145147B2 (en) * | 1971-09-16 | 1976-12-02 | ||
| JPS5831867A (en) * | 1981-08-20 | 1983-02-24 | Torii Tekkosho:Kk | Tension controller of winder |
-
1986
- 1986-10-04 JP JP61235488A patent/JPH07106830B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6392581A (en) | 1988-04-23 |
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