EP0106974B1 - Pulley train for a jacquard loom - Google Patents

Pulley train for a jacquard loom Download PDF

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Publication number
EP0106974B1
EP0106974B1 EP19830108339 EP83108339A EP0106974B1 EP 0106974 B1 EP0106974 B1 EP 0106974B1 EP 19830108339 EP19830108339 EP 19830108339 EP 83108339 A EP83108339 A EP 83108339A EP 0106974 B1 EP0106974 B1 EP 0106974B1
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EP
European Patent Office
Prior art keywords
outer end
pulley
jacquard machine
cords
harness
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
Application number
EP19830108339
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German (de)
French (fr)
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EP0106974A1 (en
Inventor
Carlos Derudder
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.)
N.V. MICHEL VAN DE WIELE
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Individual
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Publication date
Priority claimed from BE1/10585A external-priority patent/BE894283A/en
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Publication of EP0106974A1 publication Critical patent/EP0106974A1/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00Jacquards
    • D03C3/12Multiple-shed jacquards, i.e. jacquards which move warp threads to several different heights, e.g. for weaving pile fabrics
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00Jacquards
    • D03C3/10Centre-shed jacquards
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00Jacquards
    • D03C3/24Features common to jacquards of different types

Definitions

  • pile warp threads can assume three positions during weaving, namely over the upper fabric, in the middle between the two basic fabrics or under the lower fabric.
  • the disadvantage of the jacquard machine with the selection in the middle position is the loss of time in the middle of the weaving cycle, which is required for this selection. (Label A of Fig. 1). This disadvantage does not exist in double-stroke open jacquard machines with roller trains (marking B in FIG. 1).
  • the invention aims to achieve the advantages of a double-stroke open jacquard machine with roller trains, but without the disadvantage that two boards are required per controlled point.
  • the roller pulling device of a jacquard machine is characterized by the combination of a movable and a fixed suspension device, to which the roller pulling cords or the harness cords are attached.
  • One outer end of a roller pull cord is hung on a circuit board of a double-stroke open jacquard machine, while the other outer end is fastened to the movable suspension device instead of another circuit board of the jacquard machine, as is known in the known double-lift opener machines (FIG. 2).
  • Several so-called other outer ends of roller pull cords are attached to the same movable suspension device, which are then controlled in the block according to a fixed repeat.
  • Several «blocks» can be used for one jacquard machine.
  • the harness cords are attached at one end to the harness and at the other end to a fixed suspension device via the pulley element.
  • the second series of ends of the roller pull cords are attached to a fixed suspension device and the second series of harness cords are attached to a movable suspension device.
  • a movable board 2 is located under the double-stroke open jacquard machine 1 Hanger.
  • the outer end 4 of a roller pull cord is hung, while the second outer end 5 is attached to the movable board 2 above the pull roller 6, in contrast to the known roller pulling device (FIG. 2), where the end 5 is attached to another hook 3 'of the jacquard machine.
  • a traction roller 7 coincides, over which a harness cord is guided, the outer end 8 of which is firmly attached to a fixed board and the end 9 to a harness (not shown).
  • the movable board 2 is driven starting from the main axis 10 of the jacquard machine 1, specifically via the toothed belt 11 and the wheel 12, which rotates the axis 13 with cams 14. These cams 14 let the lever 15 reciprocate about a fixed axis 16.
  • Lever 15 drives the movable board 2 via rods 17 and 18.
  • the vertical component of the movement of the movable board is ensured by the guide 19 with slide block 20.
  • the lifting height of the movement of the board 2 can be adjusted by moving the bottom pivot 21 of rod 17 in slot 22, while the progressiveness of the moving board 2 can be adjusted by moving the bottom pivot 23 of rod 18 in slot 24.

Description

Beim Weben von Doppelflorgeweben gibt es zwei Grundgewebe : das Obergewebe und das Untergewebe, die mit figurbildenden Kettfäden, auch Polkettfäden genannt, verbunden werden, um auf diese Weise den Flor zu bilden.When weaving double pile fabrics, there are two basic fabrics: the upper fabric and the lower fabric, which are connected with figure-forming warp threads, also called pile warp threads, in order to form the pile in this way.

Diese Polkettfäden können beim Weben drei Positionen einnehmen, und zwar über dem Obergewebe, in der Mitte zwischen den beiden Grundgeweben oder unter dem Untergewebe.These pile warp threads can assume three positions during weaving, namely over the upper fabric, in the middle between the two basic fabrics or under the lower fabric.

Verschiedene Ausführungen von Jacquardmaschinen, die diese drei Positionen nacheinander einnehmen können, sind bekannt z. B. die des FR-A-1 157431; u. a. Jacquardmaschinen mit Hoch- und Tiefgang und Selektion in der Mitte.Different versions of jacquard machines, which can take these three positions one after the other, are known for. B. that of FR-A-1 157431; u. a. Jacquard machines with draft and draft and selection in the middle.

Sie haben jedoch alle den Nachteil, daß die drei Positionen nicht während demselben Schuß erreicht werden können und demnach lediglich für eine einzige besondere Gewebestruktur geeignet sind.However, they all have the disadvantage that the three positions cannot be reached during the same weft and are therefore only suitable for a single special fabric structure.

Lediglich die Doppelhuboffenfach-Jacquardmaschine, die mit Takelementen ausgerüstet ist, verfügt nicht über vorstehend erwähnten Nachteil. Aber dieses System erfordert jedoch zwei Platinen pro Florpunkt, so daß man immer eine doppelte Anzahl Jacquardmaschinen für eine bestimmte Anwendung aufstellen muß, was einen größeren Platzbedarf der Jacquardmaschine erfordert. Ab einer bestimmten Rietdichte und einer bestimmten Anzahl Farben ist über der Webmaschine in nicht ausreichendem Maße Raum vorhanden, um eine ausreichende Anzahl Jacquardmaschinen zu installieren.Only the double-stroke open jacquard machine, which is equipped with tak elements, does not have the disadvantage mentioned above. However, this system requires two sinkers per pile point, so you always have to set up a double number of jacquard machines for a particular application, which requires a larger space for the jacquard machine. Above a certain reed density and a certain number of colors, there is insufficient space above the weaving machine to install a sufficient number of jacquard machines.

Bei Jacquardsamt und Teppichweberei ist aufgrund von Dessinierungserwägungen eine offene Harnischaufhängung zu empfehlen, d. h., daß an jedem gesteuerten Punkt einer Jacquardmaschine lediglich eine einzige Harnischschnur hängt. Doppelhuboffenfach-Jacquardmaschinen mit zwei Platinen und einem einzigen Rollenzug pro gesteuertem Punkt können aus diesem Grund lediglich in besonderen Fällen verwendet werden, und ihre Verwendung wird demnach auf eine geringe Anzahl Schnüre bei geringer Rieteinstellung beschränkt.For jacquard velvet and carpet weaving, an open harness suspension is recommended due to design considerations. that is, only one harness cord hangs at each controlled point on a jacquard machine. For this reason, double-stroke open jacquard machines with two sinkers and a single roller train per controlled point can only be used in special cases, and their use is therefore restricted to a small number of cords with a low reed setting.

Insbesondere ist man bei Doppelgeweben und doppelschützigem Teppichweben auf eine Jacquardmaschine eines Typs mit Hoch- und Tiefgang mit Selektion in der Mittelposition angewiesen.In particular, in the case of double fabrics and double-protective carpet weaving, one is dependent on a jacquard machine of a type with draft and draft with selection in the middle position.

Unter der Voraussetzung eines gewissen Umbaus sind sie zum Beispiel für die drei bekannten Bindungen geeignet : 2-Schuß V-Bindung mit flottierender toter Polkette in der Mitte, 3-Schuß-Bindung mit eingebundener toter Polkette und 2-Schuß-Bindung mit eingebundener toter Polkette.Assuming a certain modification, they are suitable, for example, for the three known bindings: 2-weft V-binding with floating dead pole chain in the middle, 3-weft binding with integrated dead pole chain and 2-weft binding with integrated dead pole chain .

Der Nachteil der Jacquardmaschine mit der Selektion in der Mittelposition liegt in dem Zeitverlust in der Mitte des Webzyklus, der für diese Selektion erforderlich ist. (Kennzeichnung A von Fig. 1). Diesen Nachteil hat man bei Doppelhuboffenfach-Jacquard-maschinen mit Rollenzügen nicht (Kennzeichnung B von Fig. 1).The disadvantage of the jacquard machine with the selection in the middle position is the loss of time in the middle of the weaving cycle, which is required for this selection. (Label A of Fig. 1). This disadvantage does not exist in double-stroke open jacquard machines with roller trains (marking B in FIG. 1).

Bei der Jacquardmaschine mit der Selektion in der Mittelposition werden höhere Hebegeschwindigkeiten und Beschleunigungen der Jacquardmaschine bei derselben Drehzahl als bei der Doppelhuboffenfach-Jacquardmaschine erzielt.With the jacquard machine with the selection in the middle position, higher lifting speeds and accelerations of the jacquard machine are achieved at the same speed as with the double-stroke open jacquard machine.

Durch die Erfindung wird bezweckt, die Vorteile einer Doppelhuboffenfach-Jacquardmaschine mit Rollenzügen zu erzielen, jedoch ohne den Nachteil, daß zwei Platinen pro gesteuertem Punkt erforderlich sind.The invention aims to achieve the advantages of a double-stroke open jacquard machine with roller trains, but without the disadvantage that two boards are required per controlled point.

Die Rollenzugvorrichtung einer Jacquardmaschine gemäß der Erfindung wird durch die Kombination einer beweglichen und einer festen Aufhängevorrichtung gekennzeichnet, an der die Rollenzugschnüre beziehungsweise die Harnischschnüre befestigt werden. Das eine äußere Ende einer Rollenzugschnur wird an eine Platine einer Doppelhuboffenfach-Jacquardmaschine gehängt, während das andere äußere Ende an der beweglichen Aufhängevorrichtung anstelle einer anderen Platine der Jacquardmaschine, wie dies bei den bekannten Doppelhuboffenfach maschinen bekannt ist, befestigt wird (Fig. 2). Mehrere sogenannte andere äußere Enden von Rollenzugschnüren werden an derselben beweglichen Aufhängevorrichtung befestigt, die sodann « im Block gemäß einem festen Rapport gesteuert werden. Mehrere « Blöcke » können für eine Jacquardmaschine verwendet werden. Die Harnischschnüre werden an einem Ende an dem Harnisch und mit dem anderen Ende über das Rollenzugelement an einer festen Aufhängevorrichtung befestigt.The roller pulling device of a jacquard machine according to the invention is characterized by the combination of a movable and a fixed suspension device, to which the roller pulling cords or the harness cords are attached. One outer end of a roller pull cord is hung on a circuit board of a double-stroke open jacquard machine, while the other outer end is fastened to the movable suspension device instead of another circuit board of the jacquard machine, as is known in the known double-lift opener machines (FIG. 2). Several so-called other outer ends of roller pull cords are attached to the same movable suspension device, which are then controlled in the block according to a fixed repeat. Several «blocks» can be used for one jacquard machine. The harness cords are attached at one end to the harness and at the other end to a fixed suspension device via the pulley element.

In einer alternativen Ausführung der Einrichtung gemäß der Erfindung werden die zweiten Serien Enden der Rollenzugschnüre an einer festen Aufhängevorrichtung befestigt und werden die zweiten Serien der Harnischschnüre an einer beweglichen Aufhängevorrichtung befestigt.In an alternative embodiment of the device according to the invention, the second series of ends of the roller pull cords are attached to a fixed suspension device and the second series of harness cords are attached to a movable suspension device.

Weitere Besonderheiten der Rollenzugeinrichtung gemäß der Erfindung gehen aus der nachstehenden Beschreibung hervor, die mit anliegenden Abbildungen illustriert ist :

  • Figur 1 stellt das Diagramm der Hebehöhe in Millimetern in Funktion des Gradenzyklus der Webmaschine dar;
  • Figur 2 ist eine Ansicht der Rollenzugeinrichtung mit einem einzigen Rollenzugelement und zwei Platinen pro gesteuertem Punkt der bekannten Doppelhuboffenfach-Jacquardmaschine mit Rollenzugelementen ;
  • Figur 3 ist eine schematische Darstellung in Form einer Seitenansicht einer Rollenzugeinrichtung gemäß der Erfindung.
Further special features of the roller pulling device according to the invention are evident from the following description, which is illustrated with the attached figures:
  • FIG. 1 shows the diagram of the lifting height in millimeters as a function of the degree cycle of the weaving machine;
  • FIG. 2 is a view of the roller pull device with a single roller pull element and two sinkers per controlled point of the known double-stroke open jacquard machine with roller pull elements;
  • FIG. 3 is a schematic illustration in the form of a side view of a roller pulling device according to the invention.

In einer besonderen Ausführung (Fig. 3) einer Rollenzugeinrichtung einer Jacquardmaschine zum Weben von Polgeweben gemäß der Erfindung, liegt unter der Doppelhuboffenfach-Jacquardmaschine 1 ein bewegliches Brett 2 als Aufhängevorrichtung. An einer Platine 3 der Jacquardmaschine 1 wird das äußere Ende 4 einer Rollenzugschnur gehängt, während das zweite äußere Ende 5 an dem beweglichen Brett 2 über der Zugrolle 6 befestigt wird, und zwar im Gegensatz zu der bekannten Rollenzugeinrichtung (Fig. 2), wo Ende 5 an einem anderen Haken 3' der Jacquardmaschine befestigt wird. Mit jeder Zugrolle 6 stimmt eine Zugrolle 7 überein, über die eine Harnischschnur geführt wird, deren äusseres Ende 8 fest an einem feststehenden Brett und Ende 9 an einem Harnisch (nicht gezeichnet) befestigt ist. Das bewegliche Brett 2 wird von der Hauptachse 10 der Jacquardmaschine 1 ausgehend angetrieben und zwar über den verzahnten Riemen 11 und das Rad 12, das die Achse 13 mit Nocken 14 drehen läßt. Diese Nocken 14 lassen den Hebel 15 sich um eine feste Achse 16 hin- und herschaukein. Hebel 15 treibt das bewegliche Brett 2 über Stangen 17 und 18. Die vertikale Komponente der Bewegung des beweglichen Bretts wird durch die Führung 19 mit Gleitblock 20 gewährleistet. Die Hebehöhe der Bewegung des Bretts 2 kann durch Verschiebung des untersten Drehpunktes 21 von Stange 17 in Schlitz 22 eingestellt werden, während die Progressivität des beweglichen Bretts 2 durch Verschiebung des untersten Drehpunktes 23 von Stange 18 in Schlitz 24 eingestellt wird.In a special embodiment (FIG. 3) of a roll pulling device of a jacquard machine for weaving pile fabrics according to the invention, a movable board 2 is located under the double-stroke open jacquard machine 1 Hanger. On a circuit board 3 of the jacquard machine 1, the outer end 4 of a roller pull cord is hung, while the second outer end 5 is attached to the movable board 2 above the pull roller 6, in contrast to the known roller pulling device (FIG. 2), where the end 5 is attached to another hook 3 'of the jacquard machine. With each traction roller 6, a traction roller 7 coincides, over which a harness cord is guided, the outer end 8 of which is firmly attached to a fixed board and the end 9 to a harness (not shown). The movable board 2 is driven starting from the main axis 10 of the jacquard machine 1, specifically via the toothed belt 11 and the wheel 12, which rotates the axis 13 with cams 14. These cams 14 let the lever 15 reciprocate about a fixed axis 16. Lever 15 drives the movable board 2 via rods 17 and 18. The vertical component of the movement of the movable board is ensured by the guide 19 with slide block 20. The lifting height of the movement of the board 2 can be adjusted by moving the bottom pivot 21 of rod 17 in slot 22, while the progressiveness of the moving board 2 can be adjusted by moving the bottom pivot 23 of rod 18 in slot 24.

Der Ausdruck « Brett beruht auf einer Übersetzung des flämischen Ausdrucks « Plank und kann durch den der deutschen Terminologie möglicherweise besser entsprechenden Ausdruck « Platine ersetzt werden.The term "Brett is based on a translation of the Flemish term" Plank and can be replaced by the term "Platine, which may be better suited to German terminology.

Claims (4)

1. Pulley-block device of a double-stroke open- shed jacquard machine for weaving pile fabrics, characterised in that the pulley-block cords are secured at one outer end (4) to a sinker (3) of the jacquard machine and at the other outer end (5) to a movable suspension device (2), while the harness cords are secured at one outer end (9) to the one end, or to the harness, and at the other outer end (8) to a fixed suspension device.
2. Pulley-block device of a double-stroke open- shed jacquard machine for weaving nap fabrics, characterised in that the pulley-block cords are secured at one outer end to a sinker of the jacquard machine and at the other outer end to a fixed suspension device, while the harness cords are secured at one outer end to the harness and at the other outer end to a movable suspension device.
3. Pulley-block device according to one of the preceding Claims, characterised in that there are several movable boards to which the outer ends of one or more pulley-block cords or harness cords as the case may be are secured and thereafter set up in « blocks which are controlled according to a fixed relationship.
4. Jacquard machine, equipped with a pulley-block device according to one of the preceding Claims.
EP19830108339 1982-09-02 1983-08-24 Pulley train for a jacquard loom Expired EP0106974B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE1010585 1982-09-02
BE1/10585A BE894283A (en) 1982-09-02 1982-09-02 Open-shed jacquard pile fabric weaving loom - has each harness cord operated by only one figuring hook and separately actuated element

Publications (2)

Publication Number Publication Date
EP0106974A1 EP0106974A1 (en) 1984-05-02
EP0106974B1 true EP0106974B1 (en) 1986-12-30

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EP19830108339 Expired EP0106974B1 (en) 1982-09-02 1983-08-24 Pulley train for a jacquard loom

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EP (1) EP0106974B1 (en)
DE (1) DE3368699D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817416C1 (en) * 1988-05-21 1989-07-06 Fa. Oskar Schleicher, 4050 Moenchengladbach, De

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586431B1 (en) * 1985-08-23 1987-11-13 Staubli Verdol BEARING FOR CROWD-FORMING DEVICE IN WEAVING MATERIAL
DD284920B3 (en) * 1989-06-12 1993-01-28 Chemnitzer Webmasch Gmbh JACQUARD DEVICE FOR DOUBLE TISSUE WEAVING MACHINES WITH DOUBLE OPEN COMPARTMENT
DD284921A5 (en) * 1989-06-12 1990-11-28 Veb Kombinat Textima,Dd PLATINUM CONTROL OF THE OFFENBACH-JACQUARD MACHINE OF A PLUESCHWEBMASCHINE, IN PARTICULAR OF A DOUBLE RUG WEAVING MACHINE
BE1008209A4 (en) * 1993-04-23 1996-02-13 Wiele Michel Van De Nv Jacquard.
KR100829250B1 (en) * 2006-07-18 2008-05-14 엘지전자 주식회사 Menu displaying method for mobile communication terminal having a sim card

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE127974C (en) *
AT85257B (en) * 1920-01-07 1921-08-25 Franz Pawelka Double jacquard machine.
FR1157431A (en) * 1956-08-20 1958-05-29 Lehembre & Cie A Three-position jacquard machine for weaving three- and four-pick rugs per tassel
FR1050774A (en) * 1956-08-20 1954-01-11 Lehembre & Cie A Universal multi-position mechanics for looms
CH367452A (en) * 1958-04-19 1963-02-15 Rueti Ag Maschf Jacquard machine with double roller elements
FR77562E (en) * 1960-04-04 1962-03-24 Lehembre & Cie A Three-position jacquard mechanism for carpet weaving
CH428608A (en) * 1964-08-06 1967-01-15 Vorwerk & Sohn Device for double shedding in jacquard ribbon looms with multi-reel beater
FR1513410A (en) * 1966-12-09 1968-02-16 Mecaniques Verdol Soc D Three-position armor mechanics refinements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817416C1 (en) * 1988-05-21 1989-07-06 Fa. Oskar Schleicher, 4050 Moenchengladbach, De

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DE3368699D1 (en) 1987-02-05
EP0106974A1 (en) 1984-05-02

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