EP1306473A2 - A rotational-angle dependent controlling method of actuating means in a Jacquard mechanism of a weaving machine - Google Patents

A rotational-angle dependent controlling method of actuating means in a Jacquard mechanism of a weaving machine Download PDF

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Publication number
EP1306473A2
EP1306473A2 EP02020033A EP02020033A EP1306473A2 EP 1306473 A2 EP1306473 A2 EP 1306473A2 EP 02020033 A EP02020033 A EP 02020033A EP 02020033 A EP02020033 A EP 02020033A EP 1306473 A2 EP1306473 A2 EP 1306473A2
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EP
European Patent Office
Prior art keywords
shed
section
shutdown
jacquard
movement profile
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
EP02020033A
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German (de)
French (fr)
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EP1306473B1 (en
EP1306473A3 (en
Inventor
Adnan Dr. Wahhoud
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.)
Staubli Faverges SCA
Original Assignee
Lindauer Dornier GmbH
Staubli Faverges SCA
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Publication date
Application filed by Lindauer Dornier GmbH, Staubli Faverges SCA filed Critical Lindauer Dornier GmbH
Publication of EP1306473A2 publication Critical patent/EP1306473A2/en
Publication of EP1306473A3 publication Critical patent/EP1306473A3/en
Application granted granted Critical
Publication of EP1306473B1 publication Critical patent/EP1306473B1/en
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Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/007—Loom optimisation

Definitions

  • the invention relates to a method for rotational angle-dependent control of Actuators of a jacquard device combined with a weaving machine without knife and knife drives as shedding device according to the features of The preamble of claim 1.
  • Weft insertion mechanical weaving machines for producing a fabric having a predetermined pattern are operated in combination with a jacquard device as a shed forming device.
  • Jacquard devices modern design have a variety of electrically controllable controls, such as electric motor operated controls, the jacquard machine has no knives and knife drives.
  • Each warp thread of the loom of a weaving machine is via connecting means, ie guided over a so-called Harnischschnur Harnischlitze and retraction of one of the controls so that the respective warp threads are moved to form a shed simultaneously from a first position to a second position and vice versa vertically ,
  • a weaving machine with such a Jacquardvoroplasty is for example from the EP 0 353 005 B1.
  • the actuators are signal-transmitting controlled by the electronic control device as a function of the rotation angle of the loom main shaft that in a weft insertion side A0 of the trainee shed and in a weft thread extraction side section A2 of the trainee shed a weaving motion profile with shutdown at maximum Webfachö réelle simultaneously arises and a motion profile is formed between the sections A0 and A2 without a standstill, the maximum shed opening of which arises in a section A1 lying between the sections A0 and A2.
  • the actuators are controlled such that a sinusoidal motion profile is formed.
  • FIG. 1 shows schematically the assignment of a Jacquardvorraum, with a Input device and control device is equipped with the connection via Harnisch cords and a chess board to the warp threads of a loom
  • FIG. 2 shows an entry page, starting with the area A0, via the Weaving machine width extend to the extension side with the area A2.
  • FIG. 3 shows a movement profile of the warp threads with a technical stand moved and according to Figure 4 for the area A1 a continuous Kettschisprofil drove without shutdown.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

Each heddle drive is controlled based on the signals generated corresponding to rotation of a main loom drive shaft so that the warp shed is stopped in the weft entrance section (AO) and in the weft exit section (A2) simultaneously. The stoppage of the warp shed in the center of the weft advance section is prevented during maximum opening position of warp shed.

Description

Die Erfindung betrifft ein Verfahren zur drehwinkelabhängigen Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardvorrichtung ohne Messer und Messerantriebe als Fachbildevorrichtung nach den Merkmalen des Oberbegriffs von Patentanspruch 1.The invention relates to a method for rotational angle-dependent control of Actuators of a jacquard device combined with a weaving machine without knife and knife drives as shedding device according to the features of The preamble of claim 1.

Webmaschinen mit mechanischem Schussfadeneintrag zur Herstellung eines Gewebes mit vorbestimmter Musterung werden in Kombination mit einer Jacquardvorrichtung als Fachbildevorrichtung betrieben.
Jacquardvorrichtungen moderner Bauart besitzen eine Vielzahl elektrisch ansteuerbarer Betätigungseinrichtungen, z.B. elektromotorisch betriebene Betätigungseinrichtungen, wobei die Jacquardmaschine keine Messer und Messerantriebe besitzt.
Jeder Kettfaden der Webkette einer Webmaschine ist dabei über Verbindungsmittel, d.h. über eine sogenannte Harnischschnur mit Harnischlitze und über Rückzugsmittel von einer der Betätigungseinrichtungen so geführt, dass die betreffenden Kettfäden zur Ausbildung eines Webfaches gleichzeitig aus einer ersten Position in eine zweite Position und umgekehrt vertikal bewegt werden.Weft insertion mechanical weaving machines for producing a fabric having a predetermined pattern are operated in combination with a jacquard device as a shed forming device.
Jacquard devices modern design have a variety of electrically controllable controls, such as electric motor operated controls, the jacquard machine has no knives and knife drives.
Each warp thread of the loom of a weaving machine is via connecting means, ie guided over a so-called Harnischschnur Harnischlitze and retraction of one of the controls so that the respective warp threads are moved to form a shed simultaneously from a first position to a second position and vice versa vertically ,

Zur gesteuerten Bewegung der Kettfäden ist eine elektronische Steuervorrichtung vorgesehen, die jede Betätigungseinrichtung nach einem vorgewählten Programm signalübertragend steuert.For controlled movement of the warp threads is an electronic control device provided each actuator according to a preselected program signal transmitting controls.

Eine Webmaschine mit einer solchen Jacquardvorrichtung ist zum Beispiel aus der EP 0 353 005 B1 bekannt.A weaving machine with such a Jacquardvorrichtung is for example from the EP 0 353 005 B1.

Der Gegenstand der vorbekannten EP 0 353 005 B1 unterscheidet nicht, ob die Jacquardvorrichtung mit einer Webmaschine mit fluidischen Schussfadeneintragsmitteln oder mit mechanischen Schussfadeneintragsmitteln betrieben wird.
Weil ein solcher Unterschied nicht vorgenommen ist, geht der Fachmann davon aus, dass auch der Ausbildung des Webfaches auf den vorgenannten Webmaschinen, bei z.B. identisch zu webenden Artikel, ein identisches Fachbewegungsprofil, im Hinblick auf die Webbreite, zugrunde liegt. Hier setzt die Erfindung an. The subject of the prior art EP 0 353 005 B1 does not distinguish whether the jacquard device is operated with a loom with fluid weft insertion means or with mechanical weft insertion means.
Because such a difference is not made, the skilled person assumes that the training of the shed on the aforementioned looms, for example, identical to be woven article, an identical professional movement profile, in terms of weaving, based. This is where the invention starts.

Es ist Aufgabe der Erfindung, ein Verfahren zur drehwinkelabhängigen Ansteuerung der Betätigungseinrichtungen einer mit einer Webmaschine mit mechanischen Schussfadeneintragsorganen kombinierten Jacquardvorrichtung zu schaffen, welches bei Erhöhung der Lebensdauer der betreffenden Betätigungseinrichtungen, der Verbindungsmittel und der Kettfaden-Rückzugsmittel die Kettbruchhäufigkeit reduziert und infolge dessen die Verfügbarkeit der Webmaschine verbessert.It is an object of the invention to provide a method for rotational angle-dependent control of Actuators one with a weaving machine with mechanical Weft insertion organs combined jacquard device to provide at Increasing the life of the relevant controls, the Connecting means and the warp retraction means reduces the warp breakage frequency and As a result, the availability of the loom improves.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.The object is achieved by the features of claim 1.

Danach werden die Betätigungseinrichtungen derart signalübertragend von der elektronischen Steuereinrichtung in Abhängigkeit vom Drehwinkel der Webmaschinen-Hauptwelle angesteuert, dass in einem schussfadeneintragseitigen Abschnitt A0 des auszubildenden Webfaches und in einem schussfadenauszugseitigen Abschnitt A2 des auszubildenden Webfaches ein Webfach-Bewegungsprofil mit Fachstillstand bei maximaler Webfachöffnung gleichzeitig entsteht und dass zwischen den Abschnitten A0 und A2 ein Bewegungsprofil ohne Fachstillstand gebildet wird, dessen maximale Webfachöffnung in einem zwischen den Abschnitten A0 und A2 liegenden Abschnitt A1 entsteht.
Zur Ausbildung des Webfach-Bewegungsprofils ohne Fachstillstand werden dabei die Betätigungseinrichtungen derart angesteuert, dass ein sinusförmiges Bewegungsprofil entsteht.
Damit ist der Vorteil verbunden, dass die betreffenden Betätigungseinrichtungen, im Vergleich zur Webfachbildung nach dem Stand der Technik, relativ schonend auf die betreffenden Kettfäden einwirken, wodurch Kettfadenbrüche weitestgehend vermieden werden und infolge dessen Unterbrechungen des Webprozesses reduziert werden. Außerdem unterliegen die betreffenden Betätigungsmittel und die Rückzugsmittel einem geringeren Verschleiß und werden nicht zum Überschwingen angeregt.Thereafter, the actuators are signal-transmitting controlled by the electronic control device as a function of the rotation angle of the loom main shaft that in a weft insertion side A0 of the trainee shed and in a weft thread extraction side section A2 of the trainee shed a weaving motion profile with shutdown at maximum Webfachöffnung simultaneously arises and a motion profile is formed between the sections A0 and A2 without a standstill, the maximum shed opening of which arises in a section A1 lying between the sections A0 and A2.
To form the shed motion profile without a shutdown while the actuators are controlled such that a sinusoidal motion profile is formed.
This has the advantage that the relevant actuators, compared to the shed forming according to the prior art, act relatively gently on the respective warp threads, whereby warp thread breaks are largely avoided and as a result, interruptions of the weaving process can be reduced. In addition, the respective actuating means and the retraction means are subject to less wear and are not excited to overshoot.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels näher erläutert.The invention will be explained in more detail below with reference to an embodiment.

In den Zeichnungen zeigen:

Figur 1
den Verlauf des Webfach-Bewegungsprofils über die Webbreite bei einer Greiferwebmaschine mit Jacquardvorrichtung,
Figur 2
den in einem Diagramm dargestellten Verlauf des Webfach-Bewegungsprofils über die Webbreite bei einer Greiferwebmaschine mit Jacquardvorrichtung,
Figur 3
den diskontinuierlichen Verlauf des Webfach-Bewegungsprofils in den Abschnitten A0/A2 innerhalb eines Webzyklus,
Figur 4
den kontinuierlichen Verlauf des zwischen den Abschnitten A0 und A2 liegenden Webfach-Bewegungsprofils innerhalb eines Webzyklus
In the drawings show:
FIG. 1
the course of the shed motion profile over the weaving width in a rapier loom with jacquard device,
FIG. 2
the course of the shed movement profile shown in a diagram over the weaving width in a rapier loom with jacquard device,
FIG. 3
the discontinuous course of the shed motion profile in sections A0 / A2 within a weaving cycle,
FIG. 4
the continuous course of the shed motion profile between sections A0 and A2 within a weaving cycle

Ausführungsbeispiel nach Figur 1-4Embodiment of Figure 1-4

Figur 1 zeigt schematisch die Zuordnung einer Jacquardvorrichtung, die mit einer Eingabeeinrichtung und Steuereinrichtung ausgerüstet ist, mit der Verbindung über Harnischschnüre und ein Chorbrett zu den Kettfäden einer Webmaschine, die sich gemäß Figur 2 von einer Eintragsseite, beginnend mit dem Bereich A0, über die Webmaschinenbreite bis zur Auszugsseite mit dem Bereich A2 erstrecken. Gemäß der Figur 3 wird für die Bereiche A0/A2 ein Bewegungsprofil der Kettfäden mit Fachstilland gefahren und nach Figur 4 für den Bereich A1 ein kontinuierliches Kettbewegungsprofil ohne Fachstillstand gefahren.Figure 1 shows schematically the assignment of a Jacquardvorrichtung, with a Input device and control device is equipped with the connection via Harnisch cords and a chess board to the warp threads of a loom, according to FIG. 2 shows an entry page, starting with the area A0, via the Weaving machine width extend to the extension side with the area A2. According to the FIG. 3, for the areas A0 / A2, shows a movement profile of the warp threads with a technical stand moved and according to Figure 4 for the area A1 a continuous Kettbewegungsprofil drove without shutdown.

Claims (3)

Verfahren zur drehwinkelabhängigen Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardvorrichtung ohne Messer und Messerantriebe, wobei die Webmaschine mechanische Schussfadeneintragsmittel besitzt, wobei die Jacquardvorrichtung eine Vielzahl elektromotorischer Betätigungseinrichtungen aufweist und jede Betätigungseinrichtung mit Mitteln zur vertikalen Führung eines Kettfadens einer Webkette zur Ausbildung eines Webfaches verbunden ist und wobei ferner eine elektronische Steuereinrichtung jede Betätigungseinrichtung signalübertragend derart ansteuert, dass in einem
schussfadeneintragseitigen Abschnitt A0 eines auszubildenden Webfaches und in einem schussfadenauszugseitigen Abschnitt A2 des auszubildenden Webfaches ein Webfach-Bewegungsprofil mit Fachstillstand bei maximaler Webfachöffnung gleichzeitig entsteht, und dass gleichzeitig zwischen dem Webfach-Bewegungsprofil der Abschnitte A0 und A2 ein Webfach-Bewegungsprofil ohne Fachstillstand gebildet wird, dessen maximale Webfachöffnung in einem zwischen den Abschnitten A0 und A2 liegenden Abschnitt A1 entsteht.A method for the rotation angle-dependent control of actuators of a combined with a loom jacquard without knives and knife drives, the loom mechanical weft insertion means, wherein the jacquard device comprises a plurality of electromotive actuators and each actuator is connected to means for vertically guiding a warp of a warp to form a shed and wherein furthermore an electronic control device activates each actuating device signal-transmitting in such a way that in one
A weft insertion side portion A0 of a trainee shed and in a weft thread extraction side section A2 of the trainee shed a shed motion profile with shutdown at maximum shed opening simultaneously arises, and that at the same time between the shed movement profile of the sections A0 and A2, a shed motion profile is formed without shutdown, the maximum shed opening occurs in a section A1 between sections A0 and A2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das den Abschnitt A1 charakterisierende Webfach-Bewegungsprofil ein sinusförmiges Webfach-Bewegungsprofil ist.Method according to claim 1, characterized in that the shed movement profile characterizing the section A1 is a sinusoidal shed movement profile. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Webfach-Bewegungsprofil von der Mitte des Abschnittes A1 oder von der Mitte der Gewebeeinzugsbreite aus nach Außen einen kontinuierlich wachsenden Fachstillstand aufweist.A method according to claim 1, characterized in that the shed movement profile from the center of the section A1 or from the middle of the tissue insertion width outwards has a continuously growing shutdown.
EP02020033A 2001-10-10 2002-09-06 A rotational-angle dependent controlling method of actuating means in a Jacquard mechanism of a weaving machine Expired - Lifetime EP1306473B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10149969A DE10149969A1 (en) 2001-10-10 2001-10-10 Method for controlling the actuation devices of a jacquard device combined with a weaving machine as a function of the angle of rotation
DE10149969 2001-10-10

Publications (3)

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EP1306473A2 true EP1306473A2 (en) 2003-05-02
EP1306473A3 EP1306473A3 (en) 2003-10-29
EP1306473B1 EP1306473B1 (en) 2007-05-23

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EP02020033A Expired - Lifetime EP1306473B1 (en) 2001-10-10 2002-09-06 A rotational-angle dependent controlling method of actuating means in a Jacquard mechanism of a weaving machine

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US (1) US6834681B2 (en)
EP (1) EP1306473B1 (en)
JP (1) JP3717470B2 (en)
AT (1) ATE363001T1 (en)
DE (2) DE10149969A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1516947A2 (en) † 2003-09-17 2005-03-23 Groz-Beckert KG Shaft drive for weaving machines

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
DE10061717B4 (en) * 2000-12-12 2006-01-26 Lindauer Dornier Gmbh Drive arrangement for a weaving machine and shedding machine
DE102004045208A1 (en) * 2004-09-17 2006-04-06 Siemens Ag loom
US7378540B2 (en) * 2005-10-21 2008-05-27 Catalytic Distillation Technologies Process for producing organic carbonates
FR2902444B1 (en) * 2006-06-16 2008-08-29 Staubli Faverges Sca DEVICE FOR FORMATION OF THE JACQUARD TYPE CROWN, WEAVING EQUIPPED WITH SUCH A DEVICE AND METHOD FOR FORMING THE CROWD ON SUCH A TRADE
FR2911882B1 (en) * 2007-01-31 2009-05-29 Staubli Faverges Sca DEVICE FOR FORMING THE MOB INCORPORATING ELECTRIC MOTOR BLOCKS AND A WEAVING MACHINE EQUIPPED WITH SUCH A DEVICE.
DE102010026609B3 (en) * 2010-07-09 2011-11-17 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Method and apparatus for weaving patterns on fabrics with added weft effects
DE102010034969B3 (en) 2010-08-20 2011-11-03 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Weaving and weaving machine for weaving patterns in fabrics with additional pattern effects
IN2014MU00226A (en) * 2014-01-22 2015-09-25 Akhlaque Ahmed Zahir Ahmed Ansari
FR3041662B1 (en) * 2015-09-29 2018-05-11 Staubli Lyon SYSTEM FOR CONTROLLING A JACQUARD MECHANICS, JACQUARD MECHANICS AND WEAVING EQUIPPED WITH SUCH A SYSTEM
FR3054245B1 (en) * 2016-07-22 2018-08-31 Staubli Faverges MOBILE TRAINING MACHINE AND WEAVING MACHINE COMPRISING SUCH A MACHINE.
CN114502793B (en) * 2019-11-04 2024-01-30 乌斯特技术有限公司 Method and system for multiple image collection in a textile inspection system on a loom
JP7321949B2 (en) * 2020-02-03 2023-08-07 津田駒工業株式会社 Weaving method in loom and shedding device for realizing the weaving method

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DE2119053A1 (en) * 1971-04-20 1972-12-21 Doehler, Peter, Dipl Kaufm , 8000 Mun chen Facility for professional training at looms
EP0353005A1 (en) * 1988-07-26 1990-01-31 Raymond Leslie Palmer Loom or like control

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US5183081A (en) * 1992-02-07 1993-02-02 Asten Group, Inc. Weave shed formation apparatus for end reweaving type joining apparatus
JP3373665B2 (en) 1994-08-18 2003-02-04 カヤバ工業株式会社 Warp selection device of loom
JP3375256B2 (en) * 1995-10-18 2003-02-10 津田駒工業株式会社 Aperture control method and aperture control device

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US1734513A (en) * 1929-11-05 A cobpoeation of massachu
DE2119053A1 (en) * 1971-04-20 1972-12-21 Doehler, Peter, Dipl Kaufm , 8000 Mun chen Facility for professional training at looms
EP0353005A1 (en) * 1988-07-26 1990-01-31 Raymond Leslie Palmer Loom or like control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1516947A2 (en) † 2003-09-17 2005-03-23 Groz-Beckert KG Shaft drive for weaving machines
EP1516947B2 (en) † 2003-09-17 2012-08-29 Groz-Beckert KG Shaft drive for weaving machines

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Publication number Publication date
US6834681B2 (en) 2004-12-28
ATE363001T1 (en) 2007-06-15
US20030066569A1 (en) 2003-04-10
EP1306473B1 (en) 2007-05-23
DE10149969A1 (en) 2003-05-08
JP2003155637A (en) 2003-05-30
JP3717470B2 (en) 2005-11-16
DE50210193D1 (en) 2007-07-05
EP1306473A3 (en) 2003-10-29

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