JPH0826597A - Contact pressure control method of yarn wind up machine - Google Patents
Contact pressure control method of yarn wind up machineInfo
- Publication number
- JPH0826597A JPH0826597A JP18874194A JP18874194A JPH0826597A JP H0826597 A JPH0826597 A JP H0826597A JP 18874194 A JP18874194 A JP 18874194A JP 18874194 A JP18874194 A JP 18874194A JP H0826597 A JPH0826597 A JP H0826597A
- Authority
- JP
- Japan
- Prior art keywords
- contact pressure
- contact
- contact roller
- spindle
- pressure
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
Landscapes
- Winding Filamentary Materials (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は糸条巻取機の接圧制御方
法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a contact pressure control method for a yarn winding machine.
【0002】[0002]
【従来の技術】近年、合成繊維糸条を高速度で連続的に
巻取る場合は、複数本のスピンドルが回転自在に装着さ
れ、機枠に回動自在に設置されたターレット部材と、該
スピンドルの上流側に位置するよう機枠に形成された案
内部材に沿って昇降自在に装着された可動枠体と、該可
動枠体に装着されたトラバース装置と、該可動枠体に回
転自在に装着され、スピンドルに挿着されたボビン上の
糸層に当接する接触ローラと、上述の機枠と可動枠体の
間に設置され、接触ローラをボビン上の糸層に所定の接
圧力で当接させる接圧付与機構と、上述のスピンドルを
回転させるためのの駆動装置と、前記スピンドルの回転
速度、接触ローラの接圧力を制御する制御装置とにより
構成された巻取機、あるいは1本のスピンドルが機枠に
回転自在に装着された手動糸条切替え型の巻取機が使用
されている。2. Description of the Related Art In recent years, when a synthetic fiber yarn is continuously wound at a high speed, a plurality of spindles are rotatably mounted, and a turret member rotatably installed on a machine frame and the spindles. A movable frame body that is vertically movable along a guide member formed on the machine frame so as to be located on the upstream side of the machine frame, a traverse device mounted on the movable frame body, and a rotatably mounted body structure on the movable frame body. The contact roller, which is in contact with the thread layer on the bobbin inserted into the spindle, is installed between the machine frame and the movable frame body, and the contact roller is in contact with the thread layer on the bobbin at a predetermined contact pressure. Winding machine composed of a contact pressure imparting mechanism, a drive device for rotating the spindle, and a controller for controlling the rotation speed of the spindle and the contact pressure of the contact roller, or one spindle Is rotatably attached to the machine frame Was manually yarns switched winder is used.
【0003】上述の接触ローラの接圧力は手動型精密圧
空調節器から出力される圧空を流体シリンダーに供給し
て所定の設定接圧値になるようにオープンループ制御す
るか、あるいは特開昭62−24068号公報に記載さ
れているような接触ローラの支持部に接圧力検出用のセ
ンサーとPI(比例+積分)制御要素を設けて糸条巻取
中の接圧力を制御装置にフィードバックし、流体シリン
ダーに供給する圧空を制御装置からの入力信号に基づい
て電空変換器から出力される圧空の圧力を制御して所定
の設定接圧値になるようにフィードバック制御してい
る。The contact pressure of the above-mentioned contact roller is controlled by open loop control so that the compressed air output from the manual precision air-pressure regulator is supplied to the fluid cylinder so as to reach a predetermined set contact pressure value. -24068, a sensor for detecting contact pressure and a PI (proportional + integral) control element are provided on the support portion of the contact roller to feed back the contact pressure during winding of the yarn to the controller. The pressure of the compressed air supplied to the fluid cylinder is controlled on the basis of an input signal from the control device to control the pressure of the compressed air output from the electropneumatic converter to perform feedback control so as to reach a predetermined set contact pressure value.
【0004】[0004]
【発明が解決しようとする課題】上述の巻取機において
は該巻取機を停止させた状態で接触ローラの接圧力が設
定値になるように流体シリンダーに供給する圧空の圧力
を調節し、巻取開始時から巻取終了時まで同一圧力の圧
空を流体シリンダーに供給している。In the above-mentioned winder, the pressure of the compressed air supplied to the fluid cylinder is adjusted so that the contact pressure of the contact roller becomes a set value while the winder is stopped. From the start of winding to the end of winding, compressed air of the same pressure is supplied to the fluid cylinder.
【0005】従来、上述のように接圧用の流体シリンダ
ーに対して一定圧力の圧空を巻取開始時から巻取終了時
まで供給すれば接圧は一定で変化しないものであると考
えられていた。Conventionally, as described above, it has been considered that the contact pressure is constant and does not change if compressed air having a constant pressure is supplied to the fluid pressure cylinder from the start of winding to the end of winding. .
【0006】しかし、上述の巻取機において巻取速度が
3000m/min を越えるような場合には、接触ローラ
の周囲面とスピンドルに挿着されたボビンの周囲面間に
作用する空気の流れによる空気力学的な吸引力によって
実際の接圧力が設定接圧力に対して図6に示すように大
幅に上昇することを見出した。However, when the winding speed exceeds 3000 m / min in the above-mentioned winding machine, the flow of air acts between the peripheral surface of the contact roller and the peripheral surface of the bobbin inserted into the spindle. It was found that the aerodynamic suction force significantly increases the actual contact pressure with respect to the set contact pressure, as shown in FIG.
【0007】すなわち、巻取機の停止時における接触ロ
ーラの接圧力を10Kgfになるように調節し、空ボビン
を装着した状態で5000m/min の巻取速度で運転
し、その時の接圧力を測定すると15.5Kgfとなり5
5%上昇し、6000m/minの時には18Kgfとなり
80%も上昇している。That is, the contact pressure of the contact roller when the winding machine is stopped is adjusted so as to be 10 kgf, and the contact pressure at that time is measured with the empty bobbin being operated at a winding speed of 5000 m / min. Then it becomes 15.5 Kgf and 5
It increased by 5%, reached 18 kggf at 6000 m / min, and increased by 80%.
【0008】また、運転中の接圧力がパッケージの巻取
径寸法によっても図7に示すように変化することを見出
した。It has also been found that the contact pressure during operation changes as shown in FIG. 7 depending on the winding diameter of the package.
【0009】この様に、糸条巻取中における実際の接圧
力が設定接圧力より高くなると、糸品質が変動したり、
パッケージにバルジを生じて巻姿が悪くなるという問題
がある。As described above, when the actual contact pressure during winding of the yarn becomes higher than the set contact pressure, the yarn quality fluctuates,
There is a problem that a bulge is generated in the package and the winding shape deteriorates.
【0010】本発明は糸条巻取時の接圧力が設定接圧力
と略同一の状態になるようにする接圧制御方法を提供す
ることである。It is an object of the present invention to provide a contact pressure control method for controlling the contact pressure at the time of winding a yarn so that the contact pressure is substantially equal to the set contact pressure.
【0011】[0011]
【課題を解決するための手段】上述の課題を解決するた
めに本発明の巻取機の接圧制御方法は、接圧付与機構の
支持力を計算式 F=Wt+Wc+Acos θ−Cscos
θ(Kgf)[式中 Fは接圧付与機構の支持力(Kg
f)、Csは設定接圧力(Kgf)、Wtはトラバース装
置を含む可動枠体の重量(Kgwt)、Wcは接触ローラの
重量(Kgwt)、θは接触ローラとスピンドルの各中心を
結ぶ直線と垂直線とがなす角度(度)、Aは巻取速度と
巻取径によって変化する空気力学的な吸引力に対する補
正値(Kgf)である]によって算出して接触ローラの接
圧力が所定の設定値になるように制御せしめるようにし
てある。In order to solve the above-mentioned problems, the method for controlling the contact pressure of the winding machine according to the present invention uses the formula F = Wt + Wc + Acos θ-Cscos for calculating the supporting force of the contact pressure imparting mechanism.
θ (Kgf) [where F is the bearing force of the contact pressure applying mechanism (Kgf
f), Cs is the set contact pressure (Kgf), Wt is the weight of the movable frame including the traverse device (Kgwt), Wc is the weight of the contact roller (Kgwt), and θ is a straight line connecting the centers of the contact roller and the spindle. The angle (degree) formed by the vertical line, A is a correction value (Kgf) for the aerodynamic suction force that changes depending on the winding speed and the winding diameter.], And the contact pressure of the contact roller is set to a predetermined value. The value is controlled so that it becomes a value.
【0012】また、接触ローラをボビン上の糸層に当接
させる接圧力の設定値を巻取径に基づいて変更せしめる
ようにするのが好ましく、さらに、接触ローラの支持部
に接圧力検出用のセンサーとPI(比例+積分)制御要
素を設け、接圧力のフィードバック制御を行なうように
せしめるのが好ましい。Further, it is preferable that the set value of the contact pressure for bringing the contact roller into contact with the yarn layer on the bobbin is changed based on the winding diameter. It is preferable to provide a sensor and a PI (proportional + integral) control element so as to perform feedback control of contact pressure.
【0013】[0013]
【実施例】図1は本発明のスピンドル駆動型の巻取機の
接圧制御方法を実施するための制御ブロック図であっ
て、巻取機は機枠1に回動自在に装着されたたターレッ
ト部材2と、該ターレット部材2に回転自在に装着され
たボビン挿着用のスピンドル3と、機枠1に形成された
案内杆1aに沿って垂直方向に昇降自在に取付けられた
可動枠体4と、該枠体4に回転自在に取付けられ、スピ
ンドル3に挿着されたボビン30に当接する接触ローラ
5と、該接触ローラ5を回転させる駆動装置6と、可動
枠体4に接触ローラ5と平行な状態で取付けられた糸条
綾振り用のトラバース装置(図示せず)と、スピンドル
3を回転させる駆動装置7と、機枠1と可動枠体4の間
に設置され接触ローラ5の接圧力調節用の流体シリンダ
ー8と、駆動装置6、7の回転速度、接触ローラ5の接
圧力を制御する制御装置9とにより構成されている。FIG. 1 is a control block diagram for carrying out a contact pressure control method for a spindle drive type winder according to the present invention. The winder is rotatably mounted on a machine frame 1. A turret member 2, a bobbin-inserting spindle 3 rotatably mounted on the turret member 2, and a movable frame body 4 vertically movable along a guide rod 1a formed on the machine frame 1. A contact roller 5 which is rotatably attached to the frame body 4 and contacts the bobbin 30 inserted into the spindle 3, a drive device 6 for rotating the contact roller 5, and a contact roller 5 for the movable frame body 4. A traverse device (not shown) for traversing the yarn, which is installed in parallel with the drive device 7, a drive device 7 for rotating the spindle 3, and a contact roller 5 installed between the machine frame 1 and the movable frame body 4. Fluid cylinder 8 for adjusting contact pressure and drive device 6 7 rotational speed, and is configured by a control unit 9 for controlling the contact pressure of the contact roller 5.
【0014】上述の制御装置9は、入力機能、記憶機能
等を有する設定部10と、比較機能、演算機能、動作指
令機能等を有する演算部11と、該演算部11からの電
気信号に基づいて流体シリンダー8に供給する圧空の圧
力を制御する電空変換器12とにより構成されている。The control device 9 described above is based on a setting section 10 having an input function, a storage function, etc., a calculation section 11 having a comparison function, a calculation function, an operation command function, etc., and an electric signal from the calculation section 11. And an electropneumatic converter 12 that controls the pressure of the compressed air supplied to the fluid cylinder 8.
【0015】上述の設定部10から出力された接圧指令
値は、鉛直角補正13、自重補正14、巻取速度補正1
5、巻取径補正16、該巻取速度補正15と巻取径補正
16に対する鉛直角補正17等の補正が順次行なわれ、
補正された接圧指令値がクッション化ショックレス用の
直線加速器18を経て電空変換器12に入力されるよう
になっている。The contact pressure command value output from the above-mentioned setting unit 10 includes a vertical angle correction 13, a self weight correction 14, and a winding speed correction 1.
5. The winding diameter correction 16, the winding speed correction 15, and the vertical correction 17 for the winding diameter correction 16 are sequentially performed,
The corrected contact pressure command value is input to the electropneumatic converter 12 through the cushioning shockless linear accelerator 18.
【0016】上述の設定部10と演算部11にはマイク
ロコンピュータ、プログラマブルロジックコントローラ
等を使用することができる。A microcomputer, a programmable logic controller, or the like can be used as the setting unit 10 and the arithmetic unit 11 described above.
【0017】上述のスピンドル駆動型の巻取機によって
糸条を巻取った場合の接圧力の補正を図2に基づいて説
明する。The correction of the contact pressure when the yarn is wound by the above-mentioned spindle drive type winding machine will be described with reference to FIG.
【0018】該巻取機において流体シリンダー8によっ
て可動枠体4を支持する力[F(Kgf)]は、設定接圧
力を[Cs(Kgf)]、トラバース装置(図示せず)を
含む可動枠体4の重量を[Wt(Kgwt)]、接触ローラ
5の重量を[Wc(Kgwt)]、接触ローラ5とスピンド
ル3の各中心を結ぶ直線と垂直線とがなす角度を
(θ)、接触ローラ5とスピンドル3に挿着されたボビ
ン30間に作用する空気流による空気力学的な吸引力を
[A(Kgf)]とすると、下記計算式(1)によって求
めることができる。In the winder, the force [F (Kgf)] for supporting the movable frame 4 by the fluid cylinder 8 has a set contact pressure [Cs (Kgf)] and a movable frame including a traverse device (not shown). The weight of the body 4 is [Wt (Kgwt)], the weight of the contact roller 5 is [Wc (Kgwt)], and the angle between the vertical line and the straight line connecting the centers of the contact roller 5 and the spindle 3 is (θ). If the aerodynamic suction force due to the air flow acting between the bobbin 30 inserted into the roller 5 and the spindle 3 is [A (Kgf)], it can be calculated by the following calculation formula (1).
【0019】 F=Wt+Wc+Acos θ−Cscos θ (Kgf) ‥‥ (1) 上述の空気力学的な吸引力[A]は、糸条巻取速度を
[V(Km/min )]、糸条巻取径を[D(m)]とする
と、A=f(V、D)となる。F = Wt + Wc + Acos θ−Cscos θ (Kgf) (1) The aerodynamic suction force [A] described above has a yarn winding speed of [V (Km / min)], a yarn winding When the diameter is [D (m)], A = f (V, D).
【0020】該上述の吸引力[A]は図1に示す制御ブ
ロック図に基づいて補正される。The above-mentioned suction force [A] is corrected based on the control block diagram shown in FIG.
【0021】すなわち、制御装置9の設定部10から出
力された接圧力指令値は、鉛直角補正13、自重補正1
4、巻取速度補正15、巻取径補正16、該巻取速度補
正および巻取径補正すなわち空気力学的な吸引力[A
(Kgf)]に対する鉛直角補正17等が行なわれ、補正
された接圧指令値がクッション化ショックレス用の直線
加速器18を経て電空変換器12に入力される。That is, the contact pressure command value output from the setting unit 10 of the control device 9 has a vertical angle correction 13 and a weight correction 1
4, winding speed correction 15, winding diameter correction 16, winding speed correction and winding diameter correction, that is, aerodynamic suction force [A
(Kgf)] and the vertical angle correction 17 is performed, and the corrected contact pressure command value is input to the electropneumatic converter 12 via the cushioning shockless linear accelerator 18.
【0022】上述の吸引力[A(Kgf)]は下記計算式
(2)によって求めることができる。The above-mentioned suction force [A (Kgf)] can be obtained by the following calculation formula (2).
【0023】 A=AV ×AD /100 (Kgf) ‥‥ (2) 該計算式におけるAV (Kgf)は、糸条巻取速度[V]
が2Km/min ≦v≦8Km/min の範囲においては下記実
験式(3)によって求めることができる。A = AV × AD / 100 (Kgf) (2) AV (Kgf) in the calculation formula is the yarn winding speed [V].
Can be determined by the following empirical formula (3) in the range of 2 Km / min ≤ v ≤ 8 Km / min.
【0024】 AV =a0 +a1 v+a2 v2 (Kgf) ‥‥ (3) 上述の計算式におけるa0 、a1 、a2 は速度補正係数
であり、巻取速度、巻取径、接圧力等の測定値から該値
を計算すると、a0 =−1.09、a1 =0.786、
a2 =0.136となり、糸条巻取速度[V]が2Km/
min から8Kmm/min の範囲における糸条巻取速度
[V]と補正係数[AV ]の関係は図3に示すようにな
る。[0024] AV = a0 + a1 v + a2 v 2 (Kgf) ‥‥ (3) a0 in the above formula, a1, a2 is the speed correction factor, winding speed, the winding diameter, the measured values, such as contact pressure When the values are calculated, a0 = -1.09, a1 = 0.786,
a2 = 0.136 and the yarn winding speed [V] is 2 km /
The relationship between the yarn winding speed [V] and the correction coefficient [AV] in the range from min to 8 km / min is shown in FIG.
【0025】また、該計算式におけるAD (%)は、糸
条巻取径[D]がボビン径≦D≦0.45mの範囲にお
いては下記実験式(4)によって求めることができる。Further, AD (%) in the calculation formula can be obtained by the following empirical formula (4) when the yarn winding diameter [D] is within the range of bobbin diameter ≦ D ≦ 0.45 m.
【0026】 AD =100/(b0 +b1 D+b2 D2 ) (%) ‥‥ (4) 上述の計算式におけるb0 、b1 、b2 は巻取径補正係
数であり、巻取径と接圧力の測定値から該値を計算する
とb0 =−0.315、b1 =10.3、b2=0.9
12となり、糸条巻取径[D]が0.126m〜0.4
5mの範囲における糸条巻取径[D]と補正係数[AD
]の関係は図4に示すようになる。[0026] AD = 100 / (b0 + b1 D + b2 D 2) (%) ‥‥ (4) is b0, b1, b2 in the above formula is a winding diameter correction coefficient, the winding diameter and the measured value of the contact pressure The values are calculated from b0 = -0.315, b1 = 10.3, b2 = 0.9.
12, and the yarn winding diameter [D] is 0.126 m to 0.4
Yarn winding diameter [D] and correction factor [AD
] Is as shown in FIG.
【0027】次に、本発明のスピンドル駆動型巻取機に
おける第2の接圧制御方法を実施する場合は、図5に示
すように可動枠体4と接圧ローラ5の軸受部との間にロ
ードセル等の接圧力検出用のセンサー20を設置すると
共に、該センサー20の出力信号を増幅する増幅器21
と、増幅された信号に基づいて比例動作と積分動作を行
なうPI(比例+積分)制御要素22を設け、第1の実
施例によって得られた補正接圧指令値にフイードバック
させて補正するようになっている。Next, when the second contact pressure control method in the spindle drive type winder of the present invention is carried out, as shown in FIG. 5, between the movable frame 4 and the bearing portion of the contact roller 5 A sensor 20 for detecting contact pressure of a load cell or the like is installed in the amplifier and an amplifier 21 for amplifying an output signal of the sensor 20.
And a PI (proportional + integral) control element 22 that performs a proportional operation and an integral operation based on the amplified signal, and performs feedback correction to the corrected contact pressure command value obtained by the first embodiment. Has become.
【0028】上述の増幅器21の出力を[S(Kgf)]
とすると、設定接圧力[Cs(Kgf)]と接触ローラ4
の重量を[Wc(Kgwt)]と吸引力を[A(Kgf)]と
の関係は下記の通りになる。The output of the above-mentioned amplifier 21 is [S (Kgf)]
Then, the set contact pressure [Cs (Kgf)] and the contact roller 4
[Wc (Kgwt)] and the suction force [A (Kgf)] have the following relationship.
【0029】 S=Wc+Acos θ−Cscos θ (Kgf) ‥‥ (5) 上述のセンサー20とPI(比例+積分)制御要素22
によって接圧力のフイードバック制御を行なうようにす
ると、制御精度を高めることができる。S = Wc + Acos θ−Cscos θ (Kgf) (5) The sensor 20 and the PI (proportional + integral) control element 22 described above.
If the feedback control of the contact pressure is performed by using, the control accuracy can be improved.
【0030】上述の制御装置9に糸条の巻取径に応じた
接圧力指令値を入力しておき、糸条が巻取られることに
よってパッケージ径が増加し、予め設定されたパッケー
ジ径になると接圧力指令値が変更されるようにすると、
パッケージの膨れ出し量をより少なくすることができ、
巻姿がより良好なパッケージを得ることができる。When the contact pressure command value corresponding to the winding diameter of the yarn is input to the above-mentioned control device 9 and the yarn is wound, the package diameter is increased to reach the preset package diameter. If the contact pressure command value is changed,
The amount of bulging of the package can be reduced,
A package with a better winding shape can be obtained.
【0031】本発明の接圧制御は巻取操作中に計算式
(1)〜(5)によって支持力を算出して接圧力を制御
するのが好ましいが、巻取操作前に該計算式によって巻
取径の増加に伴う支持力を算出してその値を制御装置に
入力しておき、巻取径が変化すると予め算出された値に
基づいて接圧力が制御されるようにすることもできる。In the contact pressure control of the present invention, it is preferable to calculate the supporting force by the calculation formulas (1) to (5) during the winding operation to control the contact pressure, but before the winding operation, the calculation formula is used. It is also possible to calculate the supporting force with the increase of the winding diameter and input the value into the control device so that when the winding diameter changes, the contact pressure is controlled based on the value calculated in advance. .
【0032】また、吸引力[A(Kgf)]の補正として
補正テーブルやパターンまたは折線近似等の方式、方法
を用いることができる。Further, as the correction of the suction force [A (Kgf)], a correction table or a method or method such as a pattern or broken line approximation can be used.
【0033】なお、巻取径に代えて巻取時間、巻取糸条
の重量の測定値、計算値等を使用することもでき、巻取
速度については、接触ローラ、スピンドルの回転パル
ス、あるいは糸条の送り速度の測定値、計算値等を使用
することもできる。Instead of the winding diameter, the winding time, the measured value of the weight of the winding yarn, the calculated value or the like can be used. Regarding the winding speed, the rotation pulse of the contact roller or the spindle, or It is also possible to use a measured value, a calculated value or the like of the yarn feeding speed.
【0034】上述の接圧制御方法は機枠に1本のスピン
ドルが回転自在に装着された手動糸切替え型の巻取機に
おいても実施することができる。The above-mentioned contact pressure control method can also be carried out in a manual thread switching type winding machine in which one spindle is rotatably mounted on the machine frame.
【0035】また、接触ローラを駆動装置によって積極
的に駆動する構成のものと、接触ローラを駆動装置によ
って積極的に駆動しない構成のものとに適用することが
できる。Further, the present invention can be applied to a structure in which the contact roller is positively driven by the driving device and a structure in which the contact roller is not positively driven by the driving device.
【0036】[0036]
【発明の効果】本発明の糸条巻取機の接圧制御方法は、
接圧付与機構の支持力を計算式 F=Wt+Wc+Aco
s θ−Cscos θ(Kgf)[式中 Fは接圧付与機構の
支持力(Kgf)、Csは設定接圧力(Kgf)、Wtはト
ラバース装置を含む可動枠体の重量(Kgwt)、Wcは接
触ローラの重量(Kgwt)、θは接触ローラとスピンドル
の各中心を結ぶ直線と垂直線とがなす角度(度)、Aは
巻取速度と巻取径によって変化する補正値(Kgf)であ
る]によって算出して接触ローラの接圧力が所定の設定
値になるように制御すると、糸品質の良好なパッケージ
を得ることができる。The contact pressure control method of the yarn winding machine of the present invention is
Calculation formula of bearing force of contact pressure applying mechanism F = Wt + Wc + Aco
s θ-Cs cos θ (Kgf) [where F is the supporting force (Kgf) of the contact pressure imparting mechanism, Cs is the set contact pressure (Kgf), Wt is the weight of the movable frame including the traverse device (Kgwt), and Wc is The weight (Kgwt) of the contact roller, θ is the angle (degree) formed by the straight line connecting the centers of the contact roller and the spindle and the vertical line, and A is the correction value (Kgf) that changes depending on the winding speed and the winding diameter. ], And the contact pressure of the contact roller is controlled to a predetermined set value, a package with good yarn quality can be obtained.
【0037】また、接触ローラをボビン上の糸層に当接
させる接圧力の設定値を巻取径に基づいて変更せしめる
ようにすると、バルジとサドルの少ない巻姿が良好なパ
ッケージを得ることができる。Further, when the set value of the contact pressure for contacting the contact roller with the yarn layer on the bobbin is changed based on the winding diameter, a package with a small bulge and saddle and a good winding appearance can be obtained. it can.
【0038】さらに、接触ローラの支持部に接圧力検出
用のセンサーとPI(比例+積分)制御要素を設け、接
圧力のフィードバック制御を行なうようにすると、制御
精度がよくなり、巻姿がより良好なパッケージを得るこ
とができる。Further, if a sensor for detecting contact pressure and a PI (proportional + integral) control element are provided on the supporting portion of the contact roller to perform feedback control of contact pressure, the control accuracy is improved and the winding shape is improved. A good package can be obtained.
【図1】本発明のスピンドル駆動型巻取機の接圧制御方
法を実施する第1の実施例を示す制御ブロック図であ
る。FIG. 1 is a control block diagram showing a first embodiment for implementing a contact pressure control method for a spindle drive type winder according to the present invention.
【図2】第1の実施例における流体シリンダーの支持力
と設定接圧力、トラバース装置を含む可動枠体の重量、
接触ローラの重量、接触ローラとボビン間に作用する吸
引力との関係を示す概略図である。FIG. 2 is a supporting force and set contact pressure of the fluid cylinder in the first embodiment, a weight of a movable frame body including a traverse device,
It is a schematic diagram showing the relation between the weight of the contact roller and the suction force acting between the contact roller and the bobbin.
【図3】糸条巻取速度(V)と補正係数(AV )の関係
を示す概略線図である。FIG. 3 is a schematic diagram showing a relationship between a yarn winding speed (V) and a correction coefficient (AV).
【図4】糸条巻取径(D)と補正係数(AD )の関係を
示す概略線図である。FIG. 4 is a schematic diagram showing a relationship between a yarn winding diameter (D) and a correction coefficient (AD).
【図5】本発明のスピンドル駆動型巻取機の接圧制御方
法を実施する第2の実施例を示す制御ブロック図であ
る。FIG. 5 is a control block diagram showing a second embodiment for implementing the contact pressure control method for the spindle drive type winder according to the present invention.
【図6】巻取速度によって糸条巻取中の接圧力が変化す
る状態を示す概略線図である。FIG. 6 is a schematic diagram showing a state in which the contact pressure during winding of the yarn changes depending on the winding speed.
【図7】巻取径によって糸条巻取中の接圧力が変化する
状態を示す概略線図である。FIG. 7 is a schematic diagram showing a state in which the contact pressure during winding of the yarn changes depending on the winding diameter.
1 機枠 2 ターレット部材 3 スピンドル 4 可動枠体 5 接触ローラ 6、7 駆動装置 8 流体シリンダー 9 制御装置 10 設定部 11 演算部 12 電空変換器 13、17 鉛直角補正 14 自重補正 15 巻取速度補正 16 巻取径補正 18 直線加速器 20 センサー 21 増幅器 22 PI(比例+積分)制御要素 30 ボビン 31 パッケージ 1 Machine Frame 2 Turret Member 3 Spindle 4 Movable Frame 5 Contact Roller 6, 7 Drive Device 8 Fluid Cylinder 9 Control Device 10 Setting Section 11 Calculation Section 12 Electro-Pneumatic Converter 13, 17 Vertical Correction 14 Self Weight Correction 15 Winding Speed Correction 16 Winding diameter correction 18 Linear accelerator 20 Sensor 21 Amplifier 22 PI (proportional + integral) control element 30 Bobbin 31 Package
Claims (3)
に装着されたボビン挿着用のスピンドルと、前記スピン
ドルの上流側に位置するよう機枠に形成された案内部材
に沿って昇降自在に装着された可動枠体と、前記可動枠
体に装着されたトラバース装置と、前記可動枠体、また
はトラバース装置に回転自在に装着され、スピンドルに
挿着されたボビン上の糸層に当接する接触ローラと、前
記機枠と可動枠体の間に設置され、接触ローラをボビン
上の糸層に所定の接圧力で当接させる接圧付与機構と、
前記スピンドルの回転速度、接触ローラの接圧力等を制
御する制御装置とから構成する巻取機によって糸条の巻
取を行なう際に、前記接圧付与機構の支持力を下記計算
式によって算出して前記接触ローラの接圧力が所定の設
定値になるように制御せしめるようにしたことを特徴と
する糸条巻取機の接圧制御方法。 F=Wt+Wc+Acos θ−Cscos θ (Kgf) 式中 F:接圧付与機構の支持力(Kgf)、Cs:設定
接圧力(Kgf)、Wt:トラバース装置を含む可動枠体
の重量(Kgwt)、Wc:接触ローラの重量(Kgwt)、
θ:接触ローラとスピンドルの各中心を結ぶ直線と垂直
線とがなす角度(度)、A:巻取速度と巻取径によって
変化する空気力学的な吸引力に対する補正値(Kgf)1. A bobbin-inserting spindle rotatably mounted on a machine frame or a turret member and a guide member formed on the machine frame so as to be positioned on the upstream side of the spindle so as to be vertically movable. A movable frame body, a traverse device attached to the movable frame body, and a contact roller that is rotatably attached to the movable frame body or the traverse device and that abuts on a thread layer on a bobbin inserted into a spindle. A contact pressure applying mechanism that is installed between the machine frame and the movable frame body and that causes the contact roller to contact the thread layer on the bobbin with a predetermined contact pressure;
When the yarn is wound by a winding machine configured with a controller for controlling the rotation speed of the spindle, the contact pressure of the contact roller, etc., the supporting force of the contact pressure imparting mechanism is calculated by the following formula. The contact pressure control method of the yarn winding machine is characterized in that the contact pressure of the contact roller is controlled to a predetermined set value. F = Wt + Wc + Acos θ−Cscos θ (Kgf) where F: bearing force (Kgf) of contact pressure imparting mechanism, Cs: set contact pressure (Kgf), Wt: weight of movable frame including traverse device (Kgwt), Wc : Weight of contact roller (Kgwt),
θ: angle (degree) formed by a straight line connecting the centers of the contact roller and the spindle and a vertical line, A: correction value (Kgf) for the aerodynamic suction force that changes depending on the winding speed and winding diameter
る接圧力の設定値を、巻取径に基づいて変更せしめるよ
うにしたことを特徴とする請求項1に記載の糸条巻取機
の接圧制御方法。2. The yarn winding device according to claim 1, wherein the set value of the contact pressure for bringing the contact roller into contact with the yarn layer on the bobbin is changed based on the winding diameter. Control method of machine contact pressure.
ンサーとPI(比例+積分)制御要素を設け、接圧力の
フィードバック制御を行なうようにしたことを特徴とす
る請求項1、または請求項2に記載の糸条巻取機の接圧
制御方法。3. The contact pressure detection sensor and PI (proportional + integral) control element are provided on the support portion of the contact roller to perform feedback control of the contact pressure. Item 3. A method for controlling the contact pressure of the yarn winding machine according to Item 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6188741A JP2750817B2 (en) | 1994-07-18 | 1994-07-18 | Contact pressure control method for yarn winding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6188741A JP2750817B2 (en) | 1994-07-18 | 1994-07-18 | Contact pressure control method for yarn winding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0826597A true JPH0826597A (en) | 1996-01-30 |
JP2750817B2 JP2750817B2 (en) | 1998-05-13 |
Family
ID=16228966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6188741A Expired - Lifetime JP2750817B2 (en) | 1994-07-18 | 1994-07-18 | Contact pressure control method for yarn winding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2750817B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1213246A2 (en) * | 2000-11-08 | 2002-06-12 | Murata Kikai Kabushiki Kaisha | Take-up winder |
WO2003008315A1 (en) * | 2001-07-13 | 2003-01-30 | Zimmer Ag | Method for winding of filaments |
JP2007536181A (en) * | 2004-05-06 | 2007-12-13 | ザウラー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Method and apparatus for continuously winding a plurality of yarns |
WO2020148184A1 (en) * | 2019-01-18 | 2020-07-23 | Oerlikon Textile Gmbh & Co. Kg | Method for winding multiple threads into coils, and a winding machine |
CN114516568A (en) * | 2022-02-28 | 2022-05-20 | 北京中丽制机工程技术有限公司 | Package contact pressure determination method and related apparatus |
-
1994
- 1994-07-18 JP JP6188741A patent/JP2750817B2/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1213246A2 (en) * | 2000-11-08 | 2002-06-12 | Murata Kikai Kabushiki Kaisha | Take-up winder |
EP1213246A3 (en) * | 2000-11-08 | 2003-04-02 | Murata Kikai Kabushiki Kaisha | Take-up winder |
US6622956B2 (en) | 2000-11-08 | 2003-09-23 | Murata Kikai Kabushiki Kaisha | Take-up winder |
WO2003008315A1 (en) * | 2001-07-13 | 2003-01-30 | Zimmer Ag | Method for winding of filaments |
JP2007536181A (en) * | 2004-05-06 | 2007-12-13 | ザウラー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Method and apparatus for continuously winding a plurality of yarns |
WO2020148184A1 (en) * | 2019-01-18 | 2020-07-23 | Oerlikon Textile Gmbh & Co. Kg | Method for winding multiple threads into coils, and a winding machine |
CN114516568A (en) * | 2022-02-28 | 2022-05-20 | 北京中丽制机工程技术有限公司 | Package contact pressure determination method and related apparatus |
CN114516568B (en) * | 2022-02-28 | 2024-03-19 | 北京中丽制机工程技术有限公司 | Method for determining package contact pressure and related equipment |
Also Published As
Publication number | Publication date |
---|---|
JP2750817B2 (en) | 1998-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH02276771A (en) | Winding-up apparatus and replacing method of bobbin by its apparatus | |
KR20200125284A (en) | Fiber tension control device and tension control method using the same | |
JP2535727B2 (en) | Articulated rider roll device and method | |
US6062507A (en) | Vertical winder and method | |
CN101544323B (en) | Yarn winding device and yarn winding method | |
EP2530040B1 (en) | Yarn winding device | |
JPH0826597A (en) | Contact pressure control method of yarn wind up machine | |
CN101657574A (en) | Free-end spinning machine | |
KR960010191A (en) | Wire saw | |
JP5505621B2 (en) | Yarn winding machine and yarn winding method | |
US20010002561A1 (en) | Wire saw apparatus and method | |
WO1995018762A1 (en) | Web reel brake control system | |
US3617009A (en) | Yarn package pressure controller for yarn winding apparatus | |
JPH0592849A (en) | Take-up device for strip-like body being transferred | |
US3556369A (en) | Apparatus for maintaining constant tension in a moving strand | |
US20060038051A1 (en) | Unwinding device for reels of web material with dual drive mechanism and relative unwinding method | |
EP0188035A2 (en) | Electrohydraulic drive for process line winders, unwinders and other equipment | |
CA2314291C (en) | Unwinding apparatus | |
JP2834365B2 (en) | Beam take-up control method | |
CN219044732U (en) | Suspension rod control device for discharging system of printing machine | |
JP3522868B2 (en) | Winding / rewinding control device | |
JP2936948B2 (en) | Automatic winder tension controller | |
JP2002145525A (en) | Pressure-contact control device for yarn winder | |
JPH02279219A (en) | Residual quantity detecting device for wire electrode | |
JPS628977A (en) | Control of winder |