EP0176661A2 - Procédé et dispositif pour l'étirage optimal dans les bancs d'étirage régulateur de l'industrie textile - Google Patents

Procédé et dispositif pour l'étirage optimal dans les bancs d'étirage régulateur de l'industrie textile Download PDF

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Publication number
EP0176661A2
EP0176661A2 EP85105775A EP85105775A EP0176661A2 EP 0176661 A2 EP0176661 A2 EP 0176661A2 EP 85105775 A EP85105775 A EP 85105775A EP 85105775 A EP85105775 A EP 85105775A EP 0176661 A2 EP0176661 A2 EP 0176661A2
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EP
European Patent Office
Prior art keywords
electronics
measuring element
regulating
cross
measuring
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
Application number
EP85105775A
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German (de)
English (en)
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EP0176661B1 (fr
EP0176661A3 (en
Inventor
Ernst Felix
Peter Feller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zellweger Luwa AG
Original Assignee
Zellweger Uster AG
Zellweger Luwa AG
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Publication date
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Application filed by Zellweger Uster AG, Zellweger Luwa AG filed Critical Zellweger Uster AG
Publication of EP0176661A2 publication Critical patent/EP0176661A2/fr
Publication of EP0176661A3 publication Critical patent/EP0176661A3/de
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Publication of EP0176661B1 publication Critical patent/EP0176661B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/06—Arrangements in which a machine or apparatus is regulated in response to changes in the volume or weight of fibres fed, e.g. piano motions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32—Regulating or varying draft
    • D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
    • D01H5/42—Regulating or varying draft in response to irregularities in material ; Measuring irregularities employing electrical time-delay devices

Definitions

  • a regulating section has the task of stretching tapes of textile fibers about four to eight times and thereby making them as uniform as possible.
  • the most common type of these regulating lines in the short-staple spinning mill (e.g. in the cotton spinning mill) works on the principle of a closed control loop.
  • draft size the ratio of the peripheral speeds of two pairs of draft rollers
  • the cross-section of the strip is measured in a measuring element adjoining the warping zone and the measurement quantity obtained in this way is compared with a target value.
  • the resulting error signal influences the amount of delay in a known manner via an actuator.
  • control In the long-staple spinning mill, most regulating lines work according to the principle of the open control loop (so-called control).
  • control The belt cross-section entering the drafting system is measured with a measuring device and the warpage is controlled accordingly. It is important that both the running time T of the belt from the measuring element to the actuator and the overall gain V of the signal from the measuring element to change the actuator are taken into account.
  • Control drafting device is connected upstream. This works together with the control drafting system as an open control loop. It is therefore a combination of an open and a closed control loop within the same control drafting system.
  • the present invention takes these special features into account and relates to a method and a device for optimizing the stretching process in regulating sections of the textile industry in accordance with the features defined in the claims.
  • Fig..l shows a conventional arrangement of a closed control loop for a regulating path.
  • the textile material 10 passes through a draft zone 15 formed by a pair of rear drafting rollers 11, 12 and a pair of drafting rollers 13, 14 in front.
  • the pair of drafting rollers 13, 14 in front of the pair of drafting rollers 11, 12 is a factor of 4 to 8 driven higher peripheral speed; at least one pair of drafting rollers receives its rotary movement from a regulating gear with power electronics 16, which via a Control input 17 signals for maintaining certain speed ratios are supplied.
  • the textile material 10 leaving the warping area 15 passes through a first measuring element (measuring transducer) 19, the output signal U 19 of which is compared in a regulating electronics 20 with a setpoint value and is transformed such that a corresponding control signal reaches the control input 17.
  • the output signal U 19 corresponding to the cross section of the emerging textile material 10 thus influences the speed ratio of the pairs of drafting rollers in the sense of an equalization of the textile material 10.
  • FIG. 2 Another known arrangement is shown in FIG. 2, which forms a so-called open control loop.
  • a further measuring element (measuring transducer) 21 in the area of the textile material 10 running towards the draft zone 15, which measures its cross-section and converts the corresponding measurement signal U21 into a control signal in a further regulating electronics 22, which is transmitted via the control input 17 or a further control input 18 of the regulating gear 16 influences its output speeds.
  • a further measuring element measuring transducer
  • Fig. 7 shows the cross-sectional profile 71 with a sporadic thickening.
  • T transit time
  • a course 72 will result.
  • a cross-sectional profile of the emerging strip is indicated if the overall reinforcement is too great, but the running time is correct. The error determined as a sporadic thickening at the inlet to the drafting system has thus been overcompensated.
  • the so-called dead time between the delay field 15 and measuring element 19 means that short-term cross-sectional fluctuations cannot be compensated for.
  • An improvement, ie an at least partial compensation of even the short-term cross-sectional fluctuations can, as already mentioned in the introduction, by an additional second measuring element 21 can be achieved, which is connected upstream of the control drafting system 11-16 via further control electronics 22 (FIG. 3). It is therefore a combination of an open and a closed control loop with one and the same drafting system.
  • Measuring devices have recently become known which, even in the run-out of regulating sections, enable an almost inertia-free measurement, and thus also the measurement of brief cross-sectional fluctuations.
  • Such a measuring element is described, for example, in European laid-open specification 0 069 833 A1.
  • this measuring element now also allows an assessment of the setting of the control parameters of the open control loop.
  • the invention now consists in that, in principle, a further closed control loop is introduced which at least takes the signals from the measuring element 19, converts them into further electronics 23 and influences the parameters in the control electronics 22 of the open control loop (FIG. 4).
  • This further closed control loop according to the invention therefore does not act directly on the regulating path, but rather on the regulating parameters of the open control loop.
  • measurement signal U 19 is applied to the input of control electronics 22 located in the open control loop.
  • the correlation of the two measurement signals U 19 and U 21 enables the control parameters of the control electronics 22 to be determined. If, for example, a certain event is measured on the measuring element 21 (cross-sectional fluctuation), the measuring element 19 can be used to precisely check whether the total gain V and the running time T have been set optimally, or in which direction and by what amount further corrections are made should. A deliberate change in overall gain V and / or transit time T can thus be omitted.
  • Control electronics 22 and electronics 23 are combined in an overall electronics 24.
  • both the total gain V and the transit time T need not be constant quantities over the wavelength range of the cross-sectional fluctuations. They can be variable as a function of the wavelengths to be corrected.
  • the aforementioned correlations can be understood as simple methematic functions, such as addition or multiplication, or the known correlation function, such as cross correlation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP85105775A 1984-09-25 1985-05-10 Procédé et dispositif pour l'étirage optimal dans les bancs d'étirage régulateur de l'industrie textile Expired - Lifetime EP0176661B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4584/84 1984-09-25
CH4584/84A CH668781A5 (de) 1984-09-25 1984-09-25 Verfahren und vorrichtung zur optimierung des streckprozesses bei regulierstrecken der textilindustrie.

Publications (3)

Publication Number Publication Date
EP0176661A2 true EP0176661A2 (fr) 1986-04-09
EP0176661A3 EP0176661A3 (en) 1990-07-04
EP0176661B1 EP0176661B1 (fr) 1992-01-08

Family

ID=4278818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105775A Expired - Lifetime EP0176661B1 (fr) 1984-09-25 1985-05-10 Procédé et dispositif pour l'étirage optimal dans les bancs d'étirage régulateur de l'industrie textile

Country Status (6)

Country Link
US (1) US4653153A (fr)
EP (1) EP0176661B1 (fr)
JP (1) JPH0663147B2 (fr)
CH (1) CH668781A5 (fr)
DE (1) DE3585117D1 (fr)
IN (1) IN164194B (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622584A1 (de) * 1986-07-04 1988-01-07 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur regulierung des verzugs eines faserbands bei einer textilmaschine
DE3815200A1 (de) * 1988-05-04 1989-11-16 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur ueberwachung des vergleichmaessigens mindestens eines faserverbandes in einem regulierstreckwerk
WO1997027351A1 (fr) * 1996-01-24 1997-07-31 Zellweger Luwa Ag Dispositif pour surveiller des unites de traitement utilisees pour preparer des materiaux fibreux destines au filage
DE19615947A1 (de) * 1996-04-22 1997-10-23 Rieter Ingolstadt Spinnerei Minimalwert-suchende Regulierungsoptimierung
DE19807496A1 (de) * 1998-02-21 1999-08-26 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur Steuerung des Verzuges an einem Streckwerk für textiles Fasermaterial
WO1999066113A1 (fr) * 1998-06-12 1999-12-23 Maschinenfabrik Rieter Ag Banc d'etirage de regulation
DE19930173A1 (de) * 1999-06-30 2001-01-04 Parsytec Comp Gmbh Verfahren und Vorrichtung zur prozeßoptimierenden Einstellung von Parametern eines Produktionsprozesses
WO2003050530A2 (fr) * 2001-12-11 2003-06-19 Rieter Ingolstadt Spinnereimaschinenbau Ag Utilisation de micro-ondes dans l'industrie de la filature
EP1350870A2 (fr) * 2002-04-02 2003-10-08 Rieter Ingolstadt Spinnereimaschinenbau AG Appareil et procédé pour optimaliser des valeurs de réglage d'une machine de filature
WO2009071063A2 (fr) * 2007-12-06 2009-06-11 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Procédé et métier à tricoter circulaire pour produire de la maille à partir d'une matière fibreuse non tordue
WO2020154820A1 (fr) * 2019-01-31 2020-08-06 Uster Technologies Ag Optimisation d'un processus de filage concernant des matériaux étrangers

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635341A1 (de) * 1986-10-17 1988-04-28 Zinser Textilmaschinen Gmbh Vorrichtung zur regulierung des verzugs eines faserbands bei einer textilmaschine
IN171722B (fr) * 1987-10-08 1992-12-19 Rieter Ag Maschf
US5010494A (en) * 1988-09-09 1991-04-23 North Carolina State University Method and apparatus for detecting mechanical roll imperfections in a roller drafting system
US5248925A (en) * 1989-07-31 1993-09-28 Rieter Machine Works, Ltd. Drafting arrangement with feedback drive groups
EP0412448B1 (fr) * 1989-08-11 2000-10-11 Maschinenfabrik Rieter Ag Système d'étirage avec commande maillée
CH683535A5 (de) * 1990-07-13 1994-03-31 Rieter Ag Maschf Streckwerkantrieb.
JPH05502701A (ja) * 1990-09-20 1993-05-13 マシーネンフアブリーク　リーテル　アクチエンゲゼルシヤフト 制御式フィードローラを備えたドラフト装置用駆動装置
EP0477589B1 (fr) * 1990-09-26 1996-04-24 Maschinenfabrik Rieter Ag Procédé pour la correction d'un signal de mesure déterminé pour la masse d'un ruban de carde d'un régulateur d'étirage pour des rubans de carde avec un organe de mesure de sortie
DE4215682B4 (de) * 1991-06-04 2004-07-22 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren und Vorrichtung zur Korrektur des Reguliereinsatzpunktes und der Regulierintensität
WO1992022692A2 (fr) * 1991-06-04 1992-12-23 Schubert & Salzer Maschinenfabrik Ag Procede et dispositif de correction du moment et de l'intensite de regulation
DE4219777A1 (de) * 1992-06-17 1993-12-23 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur Signalanalyse einer Regulierstrecke
GB2273507A (en) * 1992-12-21 1994-06-22 Hollingsworth On Wheels John D Sliver autolevelling method and apparatus
DE4301953C2 (de) * 1993-01-25 1994-12-15 Rieter Ingolstadt Spinnerei Verfahren zum Einstellen und Verbinden von Streckwerken und Strecke
DE4307839A1 (de) * 1993-03-12 1994-09-15 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur automatischen Einstellung der Drehzahlverhältnisse an einer Strecke
CA2109668C (fr) * 1993-11-22 1998-02-24 Frederick H.G. Simmons Commande automatique de la tension d'un ruban de blindage
DE4414972C2 (de) * 1994-04-29 2003-07-24 Rieter Ingolstadt Spinnerei Korrektur eines von einem Tastwalzenpaar zur Dicke eines textilen Faserbandes gewonnenen Meßsignals
US6581248B1 (en) * 1997-01-23 2003-06-24 Maschinenfabrik Rieter Ag Carding machine with drawing rollers at the outlet
DE10041892A1 (de) * 2000-08-25 2002-03-07 Truetzschler Gmbh & Co Kg Vorrichtung an einer Regulierstrecke für Faserbänder zum direkten Ermitteln von Einstellwerten für den Reguliereinsatzpunkt
DE10041894B4 (de) * 2000-08-25 2011-08-11 Trützschler GmbH & Co. KG, 41199 Verfahren und Vorrichtung zum Verstrecken von Faserband in einer Regulierstrecke für Fasermaterial zum direkten Ermitteln von Einstellwerten für den Reguliereinsatzpunkt
DE10041893A1 (de) * 2000-08-25 2002-03-07 Truetzschler Gmbh & Co Kg Vorrichtung an einer Regulierstrecke zum direkten Ermitteln von Einstellwerten für den Reguliereinsatzpunkt
ATE284987T1 (de) 2000-11-08 2005-01-15 Rieter Ag Maschf Steuerung von spinnstellen in einer spinnmaschine
US6543092B2 (en) * 2001-02-16 2003-04-08 TRüTZSCHLER GMBH & CO. KG Method of determining setting values for a preliminary draft in a regulated draw frame
DE10214955B9 (de) * 2002-04-04 2017-06-29 Rieter Ingolstadt Gmbh Spinnereivorbereitungsmaschine
DE102005023992A1 (de) * 2005-05-20 2006-11-23 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Karde, Krempel, Strecke, Kämmmaschine o.dgl., zum Ermitteln der Masse und/oder Masseschwankungen eines Fasermaterials, z.B. mindestens ein Faserband, Faservlies o.dgl., aus Baumwolle, Chemiefasern o. dgl.
DE102005033180B4 (de) * 2005-07-13 2020-03-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zum Erfassen eines Parameters an mehreren, einem Streckwerk einer Spinnereimaschine zugeführten Faserbändern
CN111058132A (zh) * 2020-01-06 2020-04-24 北京经纬纺机新技术有限公司 并条匀整死区精确测量系统及测量方法
CN114351301B (zh) * 2021-12-17 2023-02-28 东华大学 一种基于牵伸区内纤维运动状态稳定的自调匀整方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824070A (en) * 1956-10-18 1959-11-25 Fielden Electronics Ltd Improvements relating to textile drafting eqipment
EP0038927A1 (fr) * 1980-03-28 1981-11-04 Maschinenfabrik Rieter Ag Procédé et dispositif pour la régulation des fluctuations du titre d'un ruban de fibres
GB2081758A (en) * 1980-08-12 1982-02-24 Le Nii Textilnoi Regulating Apparatus for Automatically Controlling the Evenness of the Linear Density of a Sliver
JPS5831124A (ja) * 1981-08-11 1983-02-23 Howa Mach Ltd 練条機のスライバ−太さ斑自動制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99739C (fr) * 1958-01-09
DE2911378A1 (de) * 1979-03-23 1980-10-02 Zinser Textilmaschinen Gmbh Ringspinn- oder ringzwirnmaschine
DE3205880A1 (de) * 1982-02-18 1983-08-25 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Streckwerk fuer eine spinnereimaschine
GB2138578B (en) * 1983-04-19 1986-08-28 Haigh Chadwick Ltd Fibre metering arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824070A (en) * 1956-10-18 1959-11-25 Fielden Electronics Ltd Improvements relating to textile drafting eqipment
EP0038927A1 (fr) * 1980-03-28 1981-11-04 Maschinenfabrik Rieter Ag Procédé et dispositif pour la régulation des fluctuations du titre d'un ruban de fibres
GB2081758A (en) * 1980-08-12 1982-02-24 Le Nii Textilnoi Regulating Apparatus for Automatically Controlling the Evenness of the Linear Density of a Sliver
JPS5831124A (ja) * 1981-08-11 1983-02-23 Howa Mach Ltd 練条機のスライバ−太さ斑自動制御装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 108 (C-165)(1253) 11 Mai 1983, & JP-A-58 031124 (HOWA KOGYO) 23 Februar 1983, *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622584A1 (de) * 1986-07-04 1988-01-07 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur regulierung des verzugs eines faserbands bei einer textilmaschine
DE3815200C2 (de) * 1988-05-04 1998-01-29 Truetzschler Gmbh & Co Kg Verfahren und Vorrichtung zur Überwachung des Vergleichmäßigens mindestens eines Faserverbandes in einem Regulierstreckwerk
DE3815200A1 (de) * 1988-05-04 1989-11-16 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur ueberwachung des vergleichmaessigens mindestens eines faserverbandes in einem regulierstreckwerk
WO1997027351A1 (fr) * 1996-01-24 1997-07-31 Zellweger Luwa Ag Dispositif pour surveiller des unites de traitement utilisees pour preparer des materiaux fibreux destines au filage
DE19615947B4 (de) * 1996-04-22 2007-10-31 Rieter Ingolstadt Spinnereimaschinenbau Ag Minimalwert-suchende Regulierungsoptimierung
EP0803596A3 (fr) * 1996-04-22 1999-07-14 Rieter Ingolstadt Spinnereimaschinenbau AG Méthode de régulation déterminant une valeur minimale dans une machine d'étirage ou de cardage
DE19615947A1 (de) * 1996-04-22 1997-10-23 Rieter Ingolstadt Spinnerei Minimalwert-suchende Regulierungsoptimierung
DE19807496A1 (de) * 1998-02-21 1999-08-26 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur Steuerung des Verzuges an einem Streckwerk für textiles Fasermaterial
DE19807496B9 (de) * 1998-02-21 2008-05-21 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren und Vorrichtung zur Steuerung des Verzuges an einem Streckwerk für textiles Fasermaterial
DE19807496B4 (de) * 1998-02-21 2008-01-10 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren und Vorrichtung zur Steuerung des Verzuges an einem Streckwerk für textiles Fasermaterial
WO1999066113A1 (fr) * 1998-06-12 1999-12-23 Maschinenfabrik Rieter Ag Banc d'etirage de regulation
US6842656B1 (en) 1999-06-30 2005-01-11 Parsytec Computer Gmbh Method and device for the process-optimizing regulation of parameters in a production process
DE19930173A1 (de) * 1999-06-30 2001-01-04 Parsytec Comp Gmbh Verfahren und Vorrichtung zur prozeßoptimierenden Einstellung von Parametern eines Produktionsprozesses
CN100344969C (zh) * 2001-12-11 2007-10-24 利特英格纺织机械制造股份公司 纺纱准备机及求出纺纱准备机上纤维束的纱条质量的方法
WO2003050530A3 (fr) * 2001-12-11 2003-10-02 Rieter Ingolstadt Spinnerei Utilisation de micro-ondes dans l'industrie de la filature
WO2003050530A2 (fr) * 2001-12-11 2003-06-19 Rieter Ingolstadt Spinnereimaschinenbau Ag Utilisation de micro-ondes dans l'industrie de la filature
EP1350870A3 (fr) * 2002-04-02 2004-01-28 Rieter Ingolstadt Spinnereimaschinenbau AG Appareil et procédé pour optimaliser des valeurs de réglage d'une machine de filature
EP1350870A2 (fr) * 2002-04-02 2003-10-08 Rieter Ingolstadt Spinnereimaschinenbau AG Appareil et procédé pour optimaliser des valeurs de réglage d'une machine de filature
WO2009071063A2 (fr) * 2007-12-06 2009-06-11 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Procédé et métier à tricoter circulaire pour produire de la maille à partir d'une matière fibreuse non tordue
WO2009071063A3 (fr) * 2007-12-06 2009-08-13 Sipra Patent Beteiligung Procédé et métier à tricoter circulaire pour produire de la maille à partir d'une matière fibreuse non tordue
WO2020154820A1 (fr) * 2019-01-31 2020-08-06 Uster Technologies Ag Optimisation d'un processus de filage concernant des matériaux étrangers
EP3918119B1 (fr) 2019-01-31 2023-06-28 Uster Technologies AG Optimisation du procédé de filage en regard de corps étrangers

Also Published As

Publication number Publication date
EP0176661B1 (fr) 1992-01-08
US4653153A (en) 1987-03-31
JPS6183330A (ja) 1986-04-26
IN164194B (fr) 1989-01-28
DE3585117D1 (de) 1992-02-20
JPH0663147B2 (ja) 1994-08-17
CH668781A5 (de) 1989-01-31
EP0176661A3 (en) 1990-07-04

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