EP0357670B1 - Jigger - Google Patents

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Publication number
EP0357670B1
EP0357670B1 EP88904234A EP88904234A EP0357670B1 EP 0357670 B1 EP0357670 B1 EP 0357670B1 EP 88904234 A EP88904234 A EP 88904234A EP 88904234 A EP88904234 A EP 88904234A EP 0357670 B1 EP0357670 B1 EP 0357670B1
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EP
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Prior art keywords
fabric
roller
winding roller
machine
speed
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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
Application number
EP88904234A
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English (en)
French (fr)
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EP0357670A1 (de
Inventor
Charles Marie André PENET
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/32—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of open-width materials backwards and forwards between beaming rollers during treatment; Jiggers

Definitions

  • the present invention relates to dyeing machines comprising two rollers on which the fabric to be dyed is wound.
  • the fabric passes from one roll to another while crossing the dye bath and thus impregnates with dye which gradually fixes itself on the fiber.
  • the object of the present invention is to obtain, on the wound fabric, after it has passed through the bath, a substantially constant rate of aging (percentage of bath contained in the fabric) from one end of the fabric to the other.
  • this control is performed electronically by controlling the direct current motor, which drives the tractor roller, to measure the acceleration ⁇ .
  • This product is performed electronically and is presented as a "measurement” to a motor speed controller so that the “Measurement” is equal to the acceleration setpoint.
  • the motor can be a direct current electric motor receiving an adjustable electromotive voltage by means of a thyristor variator.
  • the angular speed ⁇ of the winding cylinder as well as the number n of turns wound at each moment is detected by tachometric dynamo as above and the angular speed of the winding cylinder is adjusted so as to keep the expression ⁇ 2 constant (1 + n m-1 NOT ), m being the ratio of the final radius of the winding cylinder to its initial radius and N the number of turns of the fabric wound, at the end of the winding.
  • Another improvement which is also the subject of the invention and which pursues the same goal - obtaining a regular rearing rate over the entire surface of the fabric - concerns the small cylinders which guide the fabric to the point of winding (and unwinding) on the winding rollers.
  • These small cylinders press more or less on the fabric. They are each mounted on two articulated arms to be able to follow the variation of the diameter of the rollers. Now it happens that, either by wear of the bearings, or by a misalignment of the joints, the support of these cylinders on the roller which concerns them is no longer equal from one edge to the other of the fabric. It follows a different spin and a gradient of the color from one edge to the other.
  • Figure 1 is a schematic view of a JIGGER type dyeing machine.
  • FIG. 2 is a diagram illustrating an embodiment of the invention.
  • FIG. 3 schematically shows another embodiment of a regulation in accordance with the invention.
  • Figures 6 and 7 show in elevation and in perspective the mounting device of the small spin cylinder.
  • the machine shown in Figure 1 comprises a tank 1 filled with the dye bath 2 and through which passes the strip of fabric 3 to be dyed, this strip unwinding from a roller 4 to be wound on a roller 5.
  • This is the tractor roller and is driven in rotation by an electric motor with adjustable speed. Electric motors with electronic adjustment are currently well known.
  • a variable speed hydraulic transmission can also be used to drive the roller from the electric motor.
  • the strip of fabric is guided by passing over small cylinders 6 mounted mad on their axes. It also passes over an intermediate cylinder 7 placed above the dye bath and which it drives in rotation at the same time as a tachometric dynamo linked to this cylinder 7. This dynamo generates a signal proportional to the tangential speed of the roller 7 and therefore at the linear speed of displacement of the tissue, symbolized by v.
  • This motor can be a direct current motor supplied by a conventional thyristor variator.
  • the program is shown diagrammatically in FIG. 2 and can be implemented by any electronics engineer.
  • a computer is provided in which the values of m and N. are stored for each fabric during assembly.
  • an up-down counter is associated with each of the cylinders 4 and 5 and gives at each moment the number n of turns wound on that of the cylinders which is reel.
  • the number n is transmitted to the computer as well as the electric voltage, a measure of the angular speed ⁇ of the take-up cylinder.
  • the preferred embodiment of the invention which makes it possible to use simple electronic assemblies, is that in which the acceleration is controlled as a function, not of the product ⁇ .v, but of the sum a. ⁇ + v, a being a coefficient equal to R1 x m , R1 being the initial radius of the roller 5 and m the ratio of the final radius of this roller to its initial radius.
  • the signal a. ⁇ proportional to the angular speed ⁇ of the roller 5 is provided by the tachometric dynamo driven by the roller 5 (dynamo 8 in Figure 3).
  • This signal and that proportional to the linear speed v , supplied by the tachometric dynamo of the cylinder 7 are summed in the electronic device 9.
  • the corresponding signal is compared at 10 to the set value K and the resulting signal taken at 11 is sent to the motor servo device.
  • FIGS. 4 and 5 have been drawn by considering the numerical example in which the radius of the roller 5 varies between 1 and 3. In these figures, the radii have been plotted on the abscissa and the values of the centrifugal acceleration on the ordinate.
  • FIG. 5 shows the very large variation of the centrifugal acceleration for a radius of the roller 5 varying from 1 to 3 when it is sought to maintain constant the linear speed of the fabric, at a value which is in this example of the order of 70 meters per minute.
  • Curve 12 presents a maximum of 7.48 m / s2 for values of 6.9 m / s2 at the two extreme points.
  • FIGS. 6 and 7 there is shown on a larger scale, in elevation and in perspective, the small cylinder 14 which rests on the fabric where it is deposited on the roller 5.
  • This cylinder 14 which can rotate freely on its support ensures regular winding of the fabric leaving the dye bath.
  • the pins which constitute its axis are freely mounted in bearings 15 which are carried by two arms 16 pivotally mounted at 17 on the frame of the machine.
  • the arms 16 are interconnected by a braced tube 18 provided with flanges 19 fixed to the arms 16 by bolts 20. Between the flanges 19 is also arranged a bar with a V-section, called a "widening bar", over which the tissue. This bar is shown in 19a in FIG. 1 but not in FIGS. 6 and 7.
  • the cylinder 14 is held against the fabric which is wound on the roller 5, by the tension of the fabric as it passes over the widening bars, or by springs or by these means combined.
  • the illustrated embodiment provides for the passage of the assembly bolts 20, ovalized holes 21, both on the flanges 19 and on the arms 16 and, in addition, the bolts are not fully tightened, the nuts being braked by locknuts.
  • the arms 16 can take different inclinations relative to each other and in both directions by allowing the cylinder 14 to rest on the entire length of a generator.

Landscapes

  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Coloring (AREA)
  • Pens And Brushes (AREA)
  • Cable Accessories (AREA)
  • Adornments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Physical Vapour Deposition (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Spark Plugs (AREA)
  • Catalysts (AREA)

Claims (12)

  1. Verfahren für den Betrieb einer Maschine zum Fërben von Gewebebahnen, bei dem das zu färbende Gewebe durch das Färbebad hindurchläuft, um dann sich auf eine Trommel aufzuwickeln, dadurch gekennzeichnet, daß man die momentane Winkelgeschwindigkeit der Aufwickeltrommel während des Betriebs der Maschine ermittelt und daß man diese Geschwindigkeit derart regelt, daß die Zentrifugalbeschleunigung an der Stelle, an der das Gewebe sich auf die Zugtrommel aufwickelt, konstant oder annähernd konstant hält.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Ermittlung der Winkelgeschwindigkeit ω der Aufwickeltrommel (5) erzielt wird mit Hilfe der elektrischen Spannung, die durch einen Drehzahlgeber geliefert wird, der mit dieser Trommel rotationsverbunden ist, während die durch einen vom Gewebe angetriebenen zweiten Drehzahlgeber gelieferte Spannung dazu dient, die lineare Geschwindigkeit v des Gewebes zu messen.
  3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß man das Produkt ω.v auf elektronischem Weg bildet, den gemessenen Wert mit einem Einstellwert vergleicht und das resultierende Signal zur Regelung der Drehzahl des die Aufwickeltrommel (5) antreibenden Motors verwendet.
  4. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß man die Regelung ausführt ausgehend von der Summe aω + v wobei a ein Koeffizient gleich dem Produkt aus dem Anfangsradius der Aufwickeltrommel (5) und der Quadratwurzel aus dem Verhältnis des Endradius dieser Trommel zu deren Anfangsradius ist, derart, daß die Werte dieser Summe vom Beginn bis zum Ende des Gewebe-Aufwickelvorgangs gleich sind und in dem Intervall nur wenig verrieren, wobei die Signale a ω und v elektronisch summiert werden und die Summe mit einem Einstellwert verglichen wird, um ein resultierendes Signal zu liefern, das auf die Einrichtung zur Regelung des Motors der Aufwickeltrommel wirkt.
  5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man in jedem Augenblick die Winkelgeschwindigkeit ω der Aufwickeltrommel und die Anzahl n der auf diese Trommel aufgewickelten Windungen ermittelt und daß man die Winkelgeschwindigkeit des die Aufwickeltrommel antreibenden Motors regelt, um den Ausdruck ω²x (1+n m-1 N
    Figure imgb0019
     ) konstant oder annähernd konstant zu halten, worin m das Verhältnis des Endradius zum Anfangsradius der Aufwickeltrommel und N die Anzahl der Windungen des Gewebes an Ende des Aufwickelns sind.
  6. Maschine zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sis geeignete Mittel zur Erzeugung von elektrischen Signalen aufweist, die proportional bezüglich der Winkelgeschwindigkeit der Trommel (5) für den Antrieb des Gewebes und bezüglich der durch die Rotation dieser Trommel erzeugten linearen Geschwindigkeit v des Gewebes sind, sowie diese Signale verwendende Mittel zur Lieferung eines Befehlssignals an die Einrichtung zur Regelung des Elektromotors, das geeignet ist, das Produkt ω.v konstant oder annähernd konstant zu halten.
  7. Maschine nach Anspruch 6, dadurch gekennzeichnet, daß sie eine elektronische Einrichtung, die es erlaubt, die Summe aus dem v proportionalen Signal und einem Signal a.ω zu bilden, wobei a gleich dem Anfangsradius der Trommel multipliziert mit der Quadratwurzel des Verhältnisses des Endradius dieser Trommel zu ihrem Anfangsradius ist, Mittel zum Vergleichen des Signals der Summe mit einem Einstellsignal sowie Mittel zur Anwendung der positiven oder negativen Differenz auf die Einrichtung zur Regelung der Antriebsdrehzahl der Aufwickeltrommel aufweist.
  8. Maschine nach Anspruch 6, dadurch gekennzeichnet, daß sie einen mit der Aufwickeltrommel verbundenen Drehzahlgeber zur Lieferung einer elektrischen Spannung als Funktion der Winkelgeschwindigkeit dieser Trommel, Mittel zum Ermitteln der Anzahl n der Windungen des auf die Aufwickeltrommel aufgewickelten Gewebes in jedem Augenblick und einen elektronischen Rechner aufweist, in dem man bei der Montage des Gewebes die Anzahl N der auf die Aufwickeltrommel am Ende des Betriebsvorgangs aufgewickelten Windungen sowie das Verhältnis m des Endradius der Aufwickeltrommel zu deren Anfangsradius speichert, wobei der Rechner während des Betriebs der Maschine die elektrische Spannung als Funktion der Winkelgeschwindigkeit ω dar Aufwickeltrommel und die Anzeige der Anzahl n der aufgewickelten Windungen empfängt derart, daß er in jedem Augenblick den konstant oder annähernd konstant zu haltenden Ausdruck ω²x (1+n m-1 N
    Figure imgb0020
     ) errechnet.
  9. Maschine nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß der die Aufwickeltrommel antreibende Gleichstrommotor angeschlosssen ist an einen Thyristor-Variator zur Regelung der Spannung, die ihm zugeführt wird.
  10. Maschine nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß die Aufwickeltrommel durch ihren Elektromotor mit Hilfe einer hydraulischen Üvertragung mit variabler Geschwindigkeit angetrieben wird.
  11. Maschine nach einem der vorhergehenden Ansprüche, versehen mit einer Entwässerungswalze, die sich auf das Gewebe an der Stelle auflegen soll, wo es sich auf der Zugtrommel (5) ablegt, dadurch gekennzeichnet, daß der schwingende Rahmen (16,18), der die Walze trägt, die das Gewebe auf der Aufwickeltrommel begleitet, derart nachgiebig ist, daß die Walze sich auf das Gewebe auf dessen gesamter Breite auflegt.
  12. Maschine nach Anspruch 11, dadurch gekennzeichnet, daß die beiden die Walze (14) tragenden Arme (16) mit der Querstange (18), die sie zusammenhält, durch Schraubbolzen oder Niete (20) verbunden sind, die nicht festgeklemmt und in unrunde Durchbrüche eingesetzt sind, um eine Bewegungsfreiheit zwischen der Querstange und den Armen zu gestatten.
EP88904234A 1987-05-15 1988-05-04 Jigger Expired - Lifetime EP0357670B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88904234T ATE79912T1 (de) 1987-05-15 1988-05-04 Jigger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8706825 1987-05-15
FR8706825A FR2615213B1 (fr) 1987-05-15 1987-05-15 Perfectionnements aux machines de teinture

Publications (2)

Publication Number Publication Date
EP0357670A1 EP0357670A1 (de) 1990-03-14
EP0357670B1 true EP0357670B1 (de) 1992-08-26

Family

ID=9351121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88904234A Expired - Lifetime EP0357670B1 (de) 1987-05-15 1988-05-04 Jigger

Country Status (11)

Country Link
US (1) US5172444A (de)
EP (1) EP0357670B1 (de)
JP (1) JPH02501318A (de)
AT (1) ATE79912T1 (de)
DE (1) DE3874137T2 (de)
DK (1) DK165335C (de)
ES (1) ES2011333A6 (de)
FR (1) FR2615213B1 (de)
GR (1) GR1000505B (de)
PT (1) PT87476B (de)
WO (1) WO1988008895A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2120335B1 (es) * 1995-09-07 1999-03-16 Turbang Prototips Sl Aparato para tratamiento en seco de un tejido.
EP1010795A3 (de) * 1998-12-14 2001-06-13 Tve-Escale Europe, S.A. Maschine zum Waschen und Bleichen von Textilbahnen und dergleichen
US6439004B1 (en) * 2000-09-19 2002-08-27 Chi-Lung Chang Fabric tension control device for a dyeing machine
NL1021097C2 (nl) * 2002-07-17 2004-01-20 Rudolf Busser Inrichting om een web aan een printer toe te voeren.
EP1975692A4 (de) 2006-01-19 2009-01-14 Konica Minolta Holdings Inc Anzeigeelement
JP4998466B2 (ja) 2006-06-02 2012-08-15 コニカミノルタホールディングス株式会社 表示素子
US8254012B2 (en) 2006-06-15 2012-08-28 Konica Minolta Holdings, Inc. Display element
WO2008029669A1 (fr) 2006-09-08 2008-03-13 Konica Minolta Holdings, Inc. Élément d'affichage
WO2008075565A1 (ja) 2006-12-21 2008-06-26 Konica Minolta Holdings, Inc. 表示素子及びその駆動方法
WO2008087790A1 (ja) 2007-01-17 2008-07-24 Konica Minolta Holdings, Inc. 表示素子及び表示素子の駆動方法
CN108249193B (zh) * 2018-01-11 2019-07-05 桐乡市恒源印染有限公司 一种能够快速晾干染色布料的布料牵引机
CN108163592B (zh) * 2018-01-11 2019-07-23 安徽舜发服装有限公司 一种布料牵引装置上的布料支撑结构
US10322308B1 (en) 2018-02-26 2019-06-18 Atom Alloys, LLC Systems, methods, and assemblies for improvement of explosion and fire resistant properties in fluid containers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1848663A (en) * 1932-03-08 A coepobation of
US1869900A (en) * 1931-06-27 1932-08-02 Westinghouse Electric & Mfg Co Motor control system
US2108313A (en) * 1935-03-25 1938-02-15 Cutler Hammer Inc Motor control system
US3411055A (en) * 1965-07-06 1968-11-12 Westinghouse Electric Corp Apparatus for operating as a function of the changing diameter of a rotating roll of traveling strip material
FR1459915A (fr) * 1965-09-16 1966-06-17 Poensgen Gebr Gmbh Dispositif de détection et de prétension compensateur pour dispositifs d'enroulement
FR1525192A (fr) * 1967-03-30 1968-05-17 Dispositif de commande pour machine à teindre par enroulement et déroulement alternés, et machines similaires
US3648338A (en) * 1970-10-14 1972-03-14 Mdc Technology Corp Automatic tension control apparatus
US3910521A (en) * 1972-12-21 1975-10-07 Eaton Corp Winder control
BE855968A (fr) * 1976-07-05 1977-10-17 Staar Sa Procede et dispositif de controle et de commande du transfert d'une matiere d'une bobine debitrice sur une bobine receptrice
DE2704610C2 (de) * 1977-02-04 1984-03-15 Hoechst Ag, 6230 Frankfurt Regelanordnung mit einem Regler zur Steuerung der Drehzahl eines angeschlossenen Motors
JPS57169956A (en) * 1981-04-14 1982-10-19 Sony Corp Control circuit for tape speed

Also Published As

Publication number Publication date
DK165335C (da) 1993-03-29
DE3874137D1 (en) 1992-10-01
US5172444A (en) 1992-12-22
DK165335B (da) 1992-11-09
FR2615213B1 (fr) 1989-07-07
JPH0366426B2 (de) 1991-10-17
DK572389D0 (da) 1989-11-15
ATE79912T1 (de) 1992-09-15
DE3874137T2 (de) 1993-01-07
GR1000505B (el) 1992-07-30
PT87476A (pt) 1989-05-31
EP0357670A1 (de) 1990-03-14
ES2011333A6 (es) 1990-01-01
PT87476B (pt) 1993-09-30
GR880100312A (en) 1989-02-23
JPH02501318A (ja) 1990-05-10
WO1988008895A1 (fr) 1988-11-17
DK572389A (da) 1989-11-15
FR2615213A1 (fr) 1988-11-18

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