EP1302575B1 - Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom - Google Patents
Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom Download PDFInfo
- Publication number
- EP1302575B1 EP1302575B1 EP02020034A EP02020034A EP1302575B1 EP 1302575 B1 EP1302575 B1 EP 1302575B1 EP 02020034 A EP02020034 A EP 02020034A EP 02020034 A EP02020034 A EP 02020034A EP 1302575 B1 EP1302575 B1 EP 1302575B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotation
- loom
- shed
- weft
- degrees
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- 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
- 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 controlling actuators of a combined with a loom Jacquard worn without knives and Knife drives depending on the angle of rotation of the loom main shaft after the Features of the preamble of claim 1.
- Weft insertion fluid looms 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. This dispenses with the knives and knife drives.
- Each warp thread of the weaving loom of a weaving machine is via connecting means, ie via a so-called harness cord with Harnischlitze and retreat of one of the controls so guided that the respective warp threads for forming a shed simultaneously from a first position to a second position and vice versa vertically to be moved.
- a loom with such a jacquard device is e.g. from the EP 0 353 005 B1.
- the shed of the individual warps is continuously shifted from the side of the weft insertion into the opened shed to the side of the shed at which the weft emerges from the shed.
- the shed On the output side of the shed, the shed is therefore at a later time, which is identical to a larger angle of rotation of the main drive shaft, as the input side of the shed.
- the earlier input-side time is identical to a comparatively smaller angle of rotation of the main drive shaft. This provides an approximately 25% longer time available to sufficiently subject the inserted weft thread to a stretching operation until the beginning of the shed closing.
- the continuous rotation angle offset takes place within a rotation angle range of the loom main shaft of less than 100 degrees of rotation, and preferably in a range of about 60 degrees of rotation.
- the beginning of the rotation angle-dependent control of the actuation devices to the closure is weft insertion side of the shed at a rotation angle of about 290 degrees of rotation, whereby an early thread start is possible.
- the end of this control is weft thread extraction side of the shed at a rotation angle of about 350 degrees of rotation, whereby the stretching phase is maximally extended.
- Figure 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, according to Figure 2 from an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend.
- Figure 2 From an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend.
- In the open compartment of the warp threads is pro Weaving rotation a weft insertion by weft insertion means performed.
- the shed angle of the warp threads to change from Top to bottom and vice versa starting from the entry page at A0, continuously over the weaving width to the extension side at A2 over a rotation angle of Weaving one after the other from z. B. causes 290 ° up to 350 °.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardeinrichtung ohne Messer und Messerantriebe in Abhängigkeit vom Drehwinkel der Webmaschinen-Hauptwelle nach den Merkmalen des Oberbegriffs von Patentanspruch 1.The invention relates to a method for controlling actuators of a combined with a loom Jacquardeinrichtung without knives and Knife drives depending on the angle of rotation of the loom main shaft after the Features of the preamble of claim 1.
Webmaschinen mit fluidischem 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, zum Beispiel elektromotorisch betriebene
Betätigungseinrichtungen. Dabei wird auf die Messer und Messerantriebe verzichtet.
Jeder Kettfaden der Webkette einer Webmaschine ist dabei über Verbindungsmittel, d.h.
über eine sogenannte Harnisch-Schnur 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 fluid looms 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. This dispenses with the knives and knife drives. Each warp thread of the weaving loom of a weaving machine is via connecting means, ie via a so-called harness cord with Harnischlitze and retreat of one of the controls so guided that the respective warp threads for forming a shed simultaneously from a first position to a second position and vice versa vertically to be moved.
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 z.B. aus der EP 0 353 005 B1 bekannt.A loom with such a jacquard device is e.g. 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.The subject matter of the previously known EP 0 353 005 B1 does not distinguish whether the Jacquard device with a weaving machine with fluidic weft insertion means or operated with mechanical weft insertion means.
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.Because such a difference is not made, the skilled person will assume that also the formation of the shed on the aforementioned looms, e.g. identical to weaving article an identical professional movement profile, in terms of Web width, underlying. This is where the invention starts.
Es ist Aufgabe der Erfindung, ein Verfahren zur drehwinkelabhängigen Ansteuerung der Betätigungseinrichtungen einer mit einer Webmaschine mit fluidischen Schussfadeneintragsmitteln kombinierten Jacquardvorrichtung ohne Messer und Messerantriebe zu schaffen, womit, im Vergleich zum Stand der Technik, die Zeitdauer zum Offenhalten des sogenannten Schussfadeneintragfensters vergrößert wird.It is an object of the invention to provide a method for rotational angle-dependent control of Actuators one with a loom with fluidic Weft applicators combined jacquard device without knife and To provide knife drives, which, compared to the prior art, the duration is increased to keep open the so-called weft insertion window.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des unabhängigen
Patentanspruchs 1 gelöst.
Danach werden die Betätigungseinrichtungen der z.B. mit einer Luftdüsenwebmaschine,
also einer Webmaschine mit fluidischen Schussfadeneintragsmitteln, kombinierten
Jacquardvorrichtung nach dem Eintragen des Schussfadens in das geöffnete Webfach
derart signalübertragend angesteuert, dass, über die Webbreite der Webmaschine
gesehen, der Fachschluss durch jeden einzelnen Kettfaden kontinuierlich in Abhängigkeit
vom Drehwinkel der Hauptwelle der Webmaschine versetzt erfolgt. Mit anderen Worten,
der Fachschluss der einzelnen Kettfäden wird von der Seite des Schussfadeneintrags in
das geöffnete Webfach bis zu der Seite des Webfaches, an welcher der Schussfaden aus
dem Webfach austritt, kontinuierlich verschoben.
Ausgangsseitig des Webfaches erfolgt der Fachschluss demnach zu einem späteren
Zeitpunkt, der identisch ist mit einem größeren Drehwinkel der Hauptantriebswelle, als
eingangsseitig des Webfaches. Der frühere eingangsseitige Zeitpunkt ist identisch mit
einem vergleichsweise kleineren Drehwinkel der Hauptantriebswelle. Damit steht eine um
etwa 25 % größere Zeitspanne zur Verfügung, um den eingetragenen Schussfaden
hinreichend einem Streckvorgang bis zum Beginn des Fachschließens zu unterziehen.The object is achieved by the features of independent claim 1.
Thereafter, the actuators of the example with an air jet loom, so a loom with fluid weft insertion, combined jacquard device after entering the weft thread in the open shed signal-driven so controlled that, seen on the weaving width of the weaving machine, the closure by each warp continuously in dependence offset from the rotation angle of the main shaft of the loom. In other words, the shed of the individual warps is continuously shifted from the side of the weft insertion into the opened shed to the side of the shed at which the weft emerges from the shed.
On the output side of the shed, the shed is therefore at a later time, which is identical to a larger angle of rotation of the main drive shaft, as the input side of the shed. The earlier input-side time is identical to a comparatively smaller angle of rotation of the main drive shaft. This provides an approximately 25% longer time available to sufficiently subject the inserted weft thread to a stretching operation until the beginning of the shed closing.
Mit dem erfindungsgemäßen Verfahren ist der Vorteil eines vergrößerten Zeitintervalles für einen schonenden Schussfadentransport und eine verbesserte Streckwirkung auf den Schussfaden und im Zusammenhang damit eine verbesserte Gewebequalität verbunden.With the method according to the invention is the advantage of an increased time interval for a gentle weft transport and an improved stretching effect on the Weft and associated therewith an improved fabric quality.
In weiterer Ausgestaltung der Erfindung erfolgt das kontinuierliche Drehwinkelversetzen
innerhalb eines Drehwinkelbereiches der Webmaschinen-Hauptwelle von weniger als 100
Drehwinkelgraden, und zwar vorzugsweise in einem Bereich von etwa 60
Drehwinkelgraden.
Der Beginn der drehwinkelabhängigen Ansteuerung der Betätigungseinrichtungen zum
Fachschluss liegt schussfadeneintragseitig des Webfaches bei einem Drehwinkel von
etwa 290 Drehwinkelgraden, womit ein früher Fadenstart ermöglicht wird. Das Ende
dieser Ansteuerung liegt schussfadenauszugseitig des Webfaches bei einem Drehwinkel
von etwa 350 Drehwinkelgraden, womit die Streckphase maximal verlängert wird.In a further embodiment of the invention, the continuous rotation angle offset takes place within a rotation angle range of the loom main shaft of less than 100 degrees of rotation, and preferably in a range of about 60 degrees of rotation.
The beginning of the rotation angle-dependent control of the actuation devices to the closure is weft insertion side of the shed at a rotation angle of about 290 degrees of rotation, whereby an early thread start is possible. The end of this control is weft thread extraction side of the shed at a rotation angle of about 350 degrees of rotation, whereby the stretching phase is maximally extended.
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 mit einer Luftdüsenwebmaschine kombinierten Jacquardvorrichtung,
- Figur 2
- den in einem Diagramm dargestellten Verlauf des Webfach-Bewegungsprofils über die Webbreite bei einer mit einer Luftdüsenwebmaschine kombinierten Jacquardvorrichtung,
- Figur 3
- den schussfadeneintragseitigen Fachschluss des Webfaches,
- Figur 4
- den zwischen dem schussfadeneintragseitigen Fachschluss und den schussfadenauszugseitigen Fachschluss gelegenen Fachschluss und
- Figur 5
- den auszugseitigen Fachschluss des Webfaches.
- FIG. 1
- the course of the shed motion profile over the weaving width in a Jacquard device combined with an air jet loom,
- FIG. 2
- the course of the shed movement profile over the weaving width in a jacquard device combined with an air jet loom, shown in a diagram,
- FIG. 3
- the weft insertion end technical closure of the shed,
- FIG. 4
- the closure between the weft insertion point and the weft withdrawal point
- FIG. 5
- the shed side shed of the shed.
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 bei A0, über die Webmaschinenbreite bis zur Auszugsseite bei A2 erstrecken. In das offene Fach der Kettfäden wird pro Webmaschinenumdrehung ein Schusseintrag durch Schussfadeneintragsmittel vorgenommen. 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 Figure 2 from an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend. In the open compartment of the warp threads is pro Weaving rotation a weft insertion by weft insertion means performed.
Gemäß den Figuren 3-5 wird der Fachschlußwinkel der Kettfäden zum Wechsel vom Ober- zum Unterfach und vice versa, ausgehend von der Eintragsseite bei A0, kontinuierlich über die Webbreite bis zur Auszugsseite bei A2 über einen Drehwinkel der Webmaschine nacheinander von z. B. 290° bis zu 350° bewirkt.According to Figures 3-5, the shed angle of the warp threads to change from Top to bottom and vice versa, starting from the entry page at A0, continuously over the weaving width to the extension side at A2 over a rotation angle of Weaving one after the other from z. B. causes 290 ° up to 350 °.
Claims (4)
- A method for driving actuating means of a Jacquard device, combined with a weaving loom, without knives and knife drives, the means being driven as a function of the angle of rotation of the main shaft of the loom, the loom having fluidic weft-thread insertion means and the Jacquard device having a plurality of electromotive actuating means and each actuating means, for forming a shed, having means for vertically guiding a warp thread of a warp and furthermore an electric control means driving each actuating means by signal transmission such that after insertion of the weft thread into the open shed the actuating means initiate closure of the shed, characterised in that the driving of the actuating means for closing the shed is effected continuously at an offset angle of rotation across the loom width, namely beginning on the weft-thread insertion side and ending on the weft-thread extraction side.
- A method according to Claim 1, characterised in that the continuous driving at an offset angle of rotation takes place within a angular range of rotation of the main shaft of the loom of less than 100 degrees of rotation.
- A method according to Claim 1, characterised in that the angular range of rotation is 60 degrees of rotation.
- A method according to Claim 1, characterised in that the driving dependent on the angle of rotation on the weft-thread insertion side of the shed begins at an angle of rotation of the main shaft of the loom of about 290 degrees of rotation and on the weft-thread extraction side of the shed ends at an angle of rotation of about 350 degrees of rotation of the main shaft of the loom.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10149970A DE10149970A1 (en) | 2001-10-10 | 2001-10-10 | Method for controlling actuation devices of a jacquard device combined with a weaving machine |
| DE10149970 | 2001-10-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1302575A2 EP1302575A2 (en) | 2003-04-16 |
| EP1302575A3 EP1302575A3 (en) | 2003-07-30 |
| EP1302575B1 true EP1302575B1 (en) | 2004-11-10 |
Family
ID=7702035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02020034A Expired - Lifetime EP1302575B1 (en) | 2001-10-10 | 2002-09-06 | Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6863091B2 (en) |
| EP (1) | EP1302575B1 (en) |
| JP (1) | JP3499550B2 (en) |
| AT (1) | ATE282105T1 (en) |
| DE (2) | DE10149970A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1016217A5 (en) * | 2004-09-28 | 2006-05-02 | Wiele Michel Van De Nv | GAAPING DEVICE AND WEAVING MACHINE FITTED WITH SUCH GAAPING DEVICE. |
| 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 |
| US20080271807A1 (en) * | 2006-09-07 | 2008-11-06 | Sultex Ag | Method and a stretching device for the holding of a weft thread |
| 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. |
| WO2010099766A1 (en) * | 2009-03-06 | 2010-09-10 | Lindauer Dornier Gesellschaft Mbh | Method for operating a weaving machine comprising a shedding machine |
| 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 |
| DE102012009420A1 (en) * | 2012-05-11 | 2013-11-14 | Gebrüder Klöcker GmbH | Device for producing a fabric |
| WO2015111077A2 (en) * | 2014-01-22 | 2015-07-30 | Ansari Afzal Ahmed Akhlaque Ahmed | Rapier loom |
| FR3054245B1 (en) * | 2016-07-22 | 2018-08-31 | Staubli Faverges | MOBILE TRAINING MACHINE AND WEAVING MACHINE COMPRISING SUCH A MACHINE. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2119053B2 (en) * | 1971-04-20 | 1973-10-04 | Peter Dipl.-Kfm. 8000 Muenchen Doehler | Facility for technical training on looms |
| FR2476696A1 (en) * | 1980-02-21 | 1981-08-28 | Moessinger Albert | LOOM |
| GB8817765D0 (en) * | 1988-07-26 | 1988-09-01 | Palmer R L | Loom control |
| US5390709A (en) * | 1992-12-16 | 1995-02-21 | Martonffy; Barnabas | Fabric forming machine including pneumatic shedding apparatus and method |
| JP3373665B2 (en) * | 1994-08-18 | 2003-02-04 | カヤバ工業株式会社 | Warp selection device of loom |
-
2001
- 2001-10-10 DE DE10149970A patent/DE10149970A1/en not_active Ceased
-
2002
- 2002-09-06 DE DE50201505T patent/DE50201505D1/en not_active Expired - Lifetime
- 2002-09-06 AT AT02020034T patent/ATE282105T1/en not_active IP Right Cessation
- 2002-09-06 EP EP02020034A patent/EP1302575B1/en not_active Expired - Lifetime
- 2002-10-03 JP JP2002290767A patent/JP3499550B2/en not_active Expired - Fee Related
- 2002-10-09 US US10/268,334 patent/US6863091B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20030070721A1 (en) | 2003-04-17 |
| JP3499550B2 (en) | 2004-02-23 |
| ATE282105T1 (en) | 2004-11-15 |
| EP1302575A2 (en) | 2003-04-16 |
| DE50201505D1 (en) | 2004-12-16 |
| EP1302575A3 (en) | 2003-07-30 |
| US6863091B2 (en) | 2005-03-08 |
| DE10149970A1 (en) | 2003-05-08 |
| JP2003155638A (en) | 2003-05-30 |
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