EP0822998B1 - Power weaving loom - Google Patents

Power weaving loom Download PDF

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Publication number
EP0822998B1
EP0822998B1 EP96903861A EP96903861A EP0822998B1 EP 0822998 B1 EP0822998 B1 EP 0822998B1 EP 96903861 A EP96903861 A EP 96903861A EP 96903861 A EP96903861 A EP 96903861A EP 0822998 B1 EP0822998 B1 EP 0822998B1
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EP
European Patent Office
Prior art keywords
reed
guide element
weaving machine
tooth
deflecting member
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
Application number
EP96903861A
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German (de)
French (fr)
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EP0822998A1 (en
Inventor
Francisco Speich
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Textilma AG
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Textilma AG
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27Drive or guide mechanisms for weft inserting
    • D03D47/277Guide mechanisms
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27Drive or guide mechanisms for weft inserting
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27Drive or guide mechanisms for weft inserting
    • D03D47/277Guide mechanisms
    • D03D47/278Guide mechanisms for pneumatic looms
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60Construction or operation of slay
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60Construction or operation of slay
    • D03D49/62Reeds mounted on slay

Definitions

  • the invention relates to a loom according to the preamble of Claim 1.
  • the weft insertion means feature is broadest here Understood form and includes e.g. such as projectiles, Grippers, contactors, air jets, or other media for Inserting a weft thread into a warp thread Shed.
  • Such weft insertion means are also in large number known.
  • FR-A-2 547 602 is a defenseless weaving machine known in order to avoid the above disadvantages on everyone
  • Leaf tooth guide elements for forming an entry channel are molded onto a weft by means of air jets bring in.
  • this can increase the risk of getting caught of warp threads from untwisted yarns on the blow nozzles not be prevented because these are wider than that Distance between the leaf teeth and thus the warp threads and the latter are from the blow nozzles when pivoting the reed pushed apart.
  • the thickness of the guide elements only the guide elements correspond to the thickness of the leaf tooth very thin and have insufficient stability and can bend and thus the danger of getting sympatheticed out of warp thread parts enlarge.
  • the guide elements are definitely not suitable. Should one the leaf teeth would have to achieve sufficient stability and thus the guide elements are made thicker, so that only a coarser division of the reed teeth is possible would be, whereby only correspondingly coarser tissue is produced let.
  • a weaving machine according to the preamble of claim 1 is known as the closest prior art, in which the reed is provided with a shooter guide, the Store tracks has sliding elements that extend in the direction of Stretch warp threads and engage between the warp threads.
  • the sliding elements are wider than the warp thread spacing.
  • a displacement element arranged, which is at least the same width as the sliding element however, has a greater height than this and forms an alley between the warp threads.
  • the displacement elements form a tip.
  • the displacement elements the warp threads have to be formed for every change of subject pushing apart an alley.
  • This shooter guide can do not correct the problems described at the beginning because they is only suitable for high quality twisted yarns however for parallel yarns that are on the pointed displacement elements would be damaged or destroyed.
  • the object of the invention is a weaving machine of the beginning mentioned type so that parallel threads can be processed and this even if they are not with are provided with a size.
  • the deflection member preferably extends according to claim 2 preferably below the top of the guide element but to below the shed if the reed in the position furthest away from the stop edge of the fabric located.
  • the deflection of the warp threads is improved when the weaving machine is designed according to claim 5.
  • a reed tooth with the integrated guide element can be directly connected to the reed according to claim 9 be. In some cases, however, an embodiment can also be used be advantageous according to claim 10. But it is also conceivable if the guide element according to claim 11 formed in two parts is and a guide element part on the reed tooth and the other is arranged on a separate carrier.
  • FIG. 1 shows the weaving area of a first weaving machine, the one device 2 for forming a shed 4 Warp threads 6 has. From the device 2 to form the In the shed, only strands 8 are shown which open the warp threads 6. and move and thus open, close and the shed change.
  • the warp threads 6 are e.g. from parallel yarns, which are produced in the air swirling process and swirling points included as node 10.
  • the warp threads 6 are brought together on the stop edge 12, on the means of a reed 14 an entered in the shed 4, but not shown weft thread is struck and thus serves to manufacture the fabric 16.
  • the reed 14 consists of individual arranged in a reed T division Reed teeth 18 arranged in a lower carrier 20 and with each other at the upper end by a binding rod 22 are connected.
  • the reed is firmly clamped on the leaf lever 23.
  • Guide elements 24 are also on the leaf lever 23 arranged for guiding weft insertion means 26 serve, which in the present case is an entry band 28 have that between two groove-like recesses 30 in Teeth 32, 34 of the guide element 24 are guided.
  • the Guide element 24 is coplanar with that in the direction of movement lying central plane M of an associated reed tooth 18a arranged, as can be seen in particular from Figure 3.
  • a Deflector 36 present which is integral with the reed tooth 18a is formed.
  • the deflector for the warp threads 6 widens on both sides of the central plane M in the direction 38 of the Weft course so that it starts from the reed tooth 18a forms a wedge-shaped guide for the warp threads and these are moved laterally past the guide elements 24, without the risk that the warp threads on the Guide elements 24 get caught.
  • the deflection member 36 begins below a stop line 40 of the reed 14 and extends at least over the Top of the associated guide member 24 preferably but further down until it protrudes from the shed 4, as shown in Figure 1. Up and down is the deflector 36 with tapered sections 42,44 provided to deflect the warp threads when entering and Easy to extend into the shed. 1 Dash-dotted stop position of the reed the deflector is below the stop edge.
  • the deflector is preferably designed so that the maximum width B of the deflector at most ten times corresponds to the pitch T of the reed tooth.
  • the length L of the Deflector in the direction of movement of the reed 14 is at least half the thickness d of the reed tooth 18a. in the shown example corresponds to the distance A adjacent Deflectors 36 of the double pitch T of the reed teeth 18.
  • FIG. 3 shows further configurations of the deflection element 36 shown. So the reed tooth 18b consists of two along the Central plane M mirror-arranged parts 46, which for Formation of the deflection member 36a have thickened portions 48. The reed tooth 18b is also along the central plane M divided and mirrored. The single ones Parts 50 are made of sheet metal and the deflection members 36b are formed by angled edge areas 52.
  • Figures 4 to 7 show the weaving area of another Weaving machine in terms of weft insertion means 36 is identical to the weaving machine of FIGS. 1 to 3. However, here is the area between the reed tooth 56 and the guide element 54 as a deflector 58. In addition, the reed tooth 56 is not with the reed 60 connected, but is carried by the guide element 54, which is attached to the leaf lever 23.
  • FIG. 8 shows a mixed form between the exemplary embodiment of Figures 1 to 3 and 4 to 7, wherein the guide element 62 is divided into guide element parts 62a, 62b. Of the Guide element part 62b is via a screw 64 with a separate carrier 66 connected, which in turn on the leaf lever 23 of the reed is attached. The other part of the guide element 62a forms an integral part of the reed tooth 68, the deflector 70 in turn between the guide element part 62a and the reed tooth 68 is arranged.
  • Figures 9 to 11 show the weaving area of another Weaving machine, the guide elements 72 being designed in this way are that they use an air jet as a weft insertion means 74 use that of relay nozzles 76 in the guide elements 72 is blown in.
  • Deflectors 78 are integral with the associated reed tooth 80 formed and that analog to the deflector 36b Figure 3.
  • Figures 12 to 14 show the weaving area of another Weaving machine constructed similarly to that of Figures 9 to 11 is, however, in Figures 12 to 14, the guide elements 82 are integrally formed on a reed tooth 84 and the deflectors 86 between the reed tooth 84 and the Guide element 82 are integrally formed.
  • the one for blowing in the air serving relay nozzles 88 are attached to a carrier 90, which in turn is attached to the leaf lever 23 of the reed 14 is.
  • the distance A1 corresponds to adjacent guide elements 82 or the corresponding Reed teeth 84 of the triple pitch T of the reed teeth 84 of reed 14.

Abstract

PCT No. PCT/CH96/00077 Sec. 371 Date Mar. 2, 1998 Sec. 102(e) Date Mar. 2, 1998 PCT Filed Mar. 6, 1996 PCT Pub. No. WO96/33304 PCT Pub. Date Oct. 24, 1996A weaving machine includes a device for forming a shed from warp threads, a weft thread insertion unit for the insertion of a weft thread into the shed, guide elements for the weft thread insertion unit, wherein the guide elements can move into and out of the shed, and a weaving reed containing weaving reed dents for beating up an inserted weft thread at the knock-off of a woven fabric to be produced. One of the guide elements is associated with each corresponding weaving reed dent after two or more weaving reed dent pitches so as to extend in the same plane as the center plane of the weaving reed dent, wherein the center plane extends in the movement direction of the guide element, and wherein a deflecting member for the warp thread is arranged between the weaving reed dent and the guide elements, wherein the deflecting member widens out on either side of the center plane in the direction of the weft thread pattern and is formed integral with the weaving reed dent, and wherein the defecting member extends, starting from the bottom, to below the knock-off line of the weaving reed.

Description

Technisches GebietTechnical field

Die Erfindung betrifft eine Webmaschine gemäss Oberbegriff des Anspruches 1.The invention relates to a loom according to the preamble of Claim 1.

Das Merkmal Schussfadeneintragsmittel wird hier in breitester Form verstanden und beinhaltet z.B. solche Mittel wie Projektile, Greifer, Schütze, Luftstrahl, oder andere Medien zum Eintragen eines Schussfadens in ein aus Kettfäden gebildetes Webfach. Solche Schussfadeneintragsmittel sind ebenfalls in grosser Zahl bekannt.The weft insertion means feature is broadest here Understood form and includes e.g. such as projectiles, Grippers, contactors, air jets, or other media for Inserting a weft thread into a warp thread Shed. Such weft insertion means are also in large number known.

Stand der TechnikState of the art

Webmaschinen der eingangs genannten Art sind häufig Hochleistungswebmaschinen, bei denen die Schussfadeneintragsmittel in das Webfach ein- und austauchen. Hierzu sind Führungselemente erforderlich, bei denen sich Schwierigkeiten mit der Verarbeitung von Kettfäden aus Parallelgarnen ergeben. Parallelgarne bestehen aus einer Vielzahl (mindestens zwei) einzelner synthetischer Fibrillen oder Fasern, welche praktisch ohne Drehung parallel nebeneinander liegen. Damit die Fibrillen dieser Fäden nicht auseinander gehen, werden sie durch Schlichten zusammengeklebt oder durch ein Luftverwirbelungsverfahren abschnittweise untereinander verbunden. Garne, die durch Luftverwirbelung hergestellt worden sind, heissen luftverwirbeltes oder airentangledes Garn. Es besteht nun die Tendenz, dass die Kettfäden aus solchen Parallelgarnen an den Führungselementen aufgespaltet werden, so dass es zu Fibrillen- und/oder Fadenbrüchen kommt. Dadurch sinkt der Nutzeffekt solcher Hochleistungswebmaschinen drastisch, so dass letztlich solche Parallelgarne bei diesen Maschinen nicht verwendet werden können sondern nur teure gedrehte Garne, sogenannte Zwirngarne. Um eine gewisse Abhilfe zu schaffen, sind solche Parallelgarne zusätzlich mit einer Schlichte versehen. Abgesehen davon, dass solche Schlichtverfahren teuer sind, verschmutzt die Schlichte die Webmaschinen sehr stark. Ausserdem muss die Schlichte bei der Weiterverarbeitung der Gewebe ausgewaschen werden. Die ausgewaschene Schlichte muss durch ein sehr kostenintensives Verfahren umweltfreundlich entsorgt werden.Weaving machines of the type mentioned at the beginning are often high-performance weaving machines, where the weft insertion means dive in and out of the shed. There are guide elements for this required where there are difficulties with the Processing of warp threads from parallel yarns result. Parallel yarns consist of a large number (at least two) individual synthetic fibrils or fibers which are practical lie parallel next to each other without rotation. So that Fibrils of these threads don't go apart, they will glued together by finishing or by an air swirling process connected to each other in sections. Yarn, which are produced by air swirling are called air entangled or air entangled yarn. There is now the Tendency that the warp threads from such parallel yarns on the Guide elements are split up so that it leads to fibril and / or thread breaks. This reduces the efficiency such high performance looms drastically so that ultimately, such parallel yarns are not with these machines only expensive twisted yarns can be used, so-called thread yarns. To remedy this, are such parallel threads with an additional size Mistake. Apart from that, such arbitration are expensive, the size very dirty the looms strong. In addition, the size must be used for further processing the tissues are washed out. The washed out Sizing has to be done by a very cost-intensive process be disposed of in an environmentally friendly manner.

Aus der FR-A-2 547 602 ist eine schützenlose Webmaschine bekannt, bei der zur Vermeidung der obigen Nachteile an jedem Blattzahn Führungselemente zur Bildung eines Eintragskanals angeformt sind, um einen Schussfaden mittels Luftstrahlen einzubringen. Allerdings kann damit die Gefahr des Hängenbleibens von Kettfäden aus ungedrehten Garnen an den Blasdüsen nicht verhindert werden, denn diese sind breiter als der Abstand der Blattzähne und damit der Kettfäden und letztere werden von den Blasdüsen beim Verschwenken des Webblattes auseinandergedrängt. Da die Dicke der Führungselemente nur der Dicke des Blattzahnes entspricht sind die Führungselemente sehr dünn und haben keine ausreichende Stabilität und können sich verbiegen und dadurch die Gefahr des Bängenbleibens von Kettfadenteilen vergrössern. Zur Führung von Schusseintragsorganen sind sie schon gar nicht geeignet. Soll eine ausreichende Stabilität erreicht werden, müssten die Blattzähne und damit die Führungselemente dicker ausgebildet sein, so dass nur eine gröbere Teilung der Webblattzähne möglich wäre, wodurch sich nur entsprechend gröbere Gewebe herstellen liessen.FR-A-2 547 602 is a defenseless weaving machine known in order to avoid the above disadvantages on everyone Leaf tooth guide elements for forming an entry channel are molded onto a weft by means of air jets bring in. However, this can increase the risk of getting caught of warp threads from untwisted yarns on the blow nozzles not be prevented because these are wider than that Distance between the leaf teeth and thus the warp threads and the latter are from the blow nozzles when pivoting the reed pushed apart. Because the thickness of the guide elements only the guide elements correspond to the thickness of the leaf tooth very thin and have insufficient stability and can bend and thus the danger of getting freaked out of warp thread parts enlarge. For guiding weft insertion organs they are definitely not suitable. Should one the leaf teeth would have to achieve sufficient stability and thus the guide elements are made thicker, so that only a coarser division of the reed teeth is possible would be, whereby only correspondingly coarser tissue is produced let.

Aus der DE-U-91 00 753 ist als nächstliegender Stand der Technik eine Webmaschine gemäss Oberbegriff des Anspruches 1 bekannt, bei der das Webblatt mit einer Schützenführung versehen ist, deren Ladenbahnen Gleitelemente aufweist, die sich in Richtung der Kettfäden erstrecken und zwischen die Kettfäden eingreifen. Die Gleitelemente sind breiter als der Kettfadenabstand. Vor oder hinter jedem Gleitelement ist ein Verdrängerelement angeordnet, das mindestens die gleiche Breite wie das Gleitelement jedoch eine grössere Höhe als dieses aufweist und zwischen dem Kettfaden eine Gasse bildet. Am freien Ende bilden die Verdrängerelemente eine Spitze. Die Verdrängerelemente müssen bei jedem Fachwechsel die Kettfäden zur Bildung einer Gasse auseinanderdrängen. Diese Schützenführung kann die eingangs geschilderten Probleme nichtbeheben, denn sie ist nur für hochwertige gezwirnte Garne geeignet nicht jedoch für Parallelgarne, die an den spitzen Verdrängerelementen beschädigt oder zerstört würden. From DE-U-91 00 753 a weaving machine according to the preamble of claim 1 is known as the closest prior art, in which the reed is provided with a shooter guide, the Store tracks has sliding elements that extend in the direction of Stretch warp threads and engage between the warp threads. The sliding elements are wider than the warp thread spacing. In front or behind each sliding element is a displacement element arranged, which is at least the same width as the sliding element however, has a greater height than this and forms an alley between the warp threads. At the free end the displacement elements form a tip. The displacement elements the warp threads have to be formed for every change of subject pushing apart an alley. This shooter guide can do not correct the problems described at the beginning because they is only suitable for high quality twisted yarns however for parallel yarns that are on the pointed displacement elements would be damaged or destroyed.

Darstellung der ErfindungPresentation of the invention

Aufgabe der Erfindung ist es, eine Webmaschine der eingangs genannten Art so auszugestalten, dass auch Parallelgarne verarbeitet werden können und dies, selbst wenn sie nicht mit einer Schlichte versehen sind.The object of the invention is a weaving machine of the beginning mentioned type so that parallel threads can be processed and this even if they are not with are provided with a size.

Die gestellte Aufgabe wird gelöst durch die kennzeichnenden Merkmale des Anspruches 1.The task is solved by the characteristic Features of claim 1.

Dadurch, dass das Ablenkorgan am Webblattzahn einstückig angeformt ist, wird es möglich, auch bei modernen Hochleistungswebmaschinen Parallelgarne zu verarbeiten, auch wenn sie nicht mit einer Schlichte versehen sind. Das bedeutet, dass kostengünstig herstellbare Parallelgarne verarbeitet werden können und dies auf schnell laufenden Hochleistungswebmaschinen. Überdies ist ein nachträgliches Auswaschen der nun nicht mehr vorhandenen Schlichte nicht mehr notwendig. Die sich daraus ergebenden Kostenvorteile sind offensichtlich.The fact that the deflector on the reed tooth in one piece is molded, it becomes possible even with modern high-performance weaving machines Process parallel threads, even if they are not provided with a size. That means, that processed parallel yarns at low cost on high-speed, high-performance weaving machines. In addition, a subsequent washing out of the no longer required sizing. The resulting cost advantages are obvious.

Vorteilhafte Ausgestaltungen der erfindungsgemässen Webmaschine sind in den Ansprüchen 2 bis 11 beschrieben.Advantageous embodiments of the weaving machine according to the invention are described in claims 2 to 11.

Das Ablenkorgan erstreckt sich vorzugsweise gemäss Anspruch 2 bis unterhalb der Oberseite des Führungselementes vorzugsweise aber bis unterhalb des Webfaches, wenn sich das Webblatt in der von der Anschlagkante des Gewebes entferntesten Stellung befindet. The deflection member preferably extends according to claim 2 preferably below the top of the guide element but to below the shed if the reed in the position furthest away from the stop edge of the fabric located.

Vorteilhafte Grössenverhältnisse des Ablenkorganes sind in den Ansprüchen 3 und 4 umschrieben.Advantageous proportions of the deflector are in claims 3 and 4 circumscribed.

Das Ablenken der Kettfäden wird verbessert, wenn die Webmaschine nach Anspruch 5 ausgestaltet ist.The deflection of the warp threads is improved when the weaving machine is designed according to claim 5.

Es ist vorteilhaft, wenn das Führungselement gemäss Anspruch 6 unabhängig vom Webblattzahn angeordnet ist. Eine solche Ausbildung kann nach Anspruch 7 erfolgen. Eine einfachere und leichtere Bauart ergibt sich durch die Ausgestaltung nach Anspruch 8.It is advantageous if the guide element according to claim 6 is arranged independently of the reed tooth. Such Training can take place according to claim 7. A simpler and lighter design results from the design Claim 8.

Ein das integrierte Führungselement aufweisender Webblattzahn kann gemäss Anspruch 9 mit dem Webblatt direkt verbunden sein. In manchen Fällen kann aber auch eine Ausgestaltung nach Anspruch 10 von Vorteil sein. Es ist aber auch denkbar, wenn das Führungselement nach Anspruch 11 zweiteilig ausgebildet ist und ein Führungselementteil am Webblattzahn und der andere an einem separaten Träger angeordnet ist.A reed tooth with the integrated guide element can be directly connected to the reed according to claim 9 be. In some cases, however, an embodiment can also be used be advantageous according to claim 10. But it is also conceivable if the guide element according to claim 11 formed in two parts is and a guide element part on the reed tooth and the other is arranged on a separate carrier.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Ausführungsbeispiele der erfindungsgemässen Webmaschine werden nachfolgend anhand schematischer Zeichnungen näher erläutert, wobei von den ansich bekannten Webmaschinen hier nur die für die vorliegende erfindungsgemässe Ausbildung relevanten Teile des Webfachbereiches dargestellt sind. Es zeigen:

Figur 1
den Webbereich einer ersten Webmaschine in Seitenansicht;
Figur 2
das Webblatt mit Ablenkorganen im Schnitt II-II der Figur 1, in grösserem Massstab;
Figur 3
das Webblatt mit Ablenkorganen und Führungselement im Schnitt III-III der Figur 1, in grösserem Massstab;
Figur 4
den Webbereich einer zweiten Webmaschine in Seitenansicht;
Figur 5
das Webblatt im Schnitt V-V der Figur 4, in grösserem Massstab;
Figur 6
das Webblatt mit Ablenkorganen im Schnitt VI-VI der Figur 4, in grösserem Massstab;
Figur 7
das Webblatt mit Ablenkorgan und mit Führungselementen im Schnitt VII-VII der Figur 4, in grösserem Massstab;
Figur 8
den Webbereich einer dritten Webmaschine in Seitenansicht;
Figur 9
den Webbereich einer vierten Webmaschine in Seitenansicht;
Figur 10
das Webblatt mit Ablenkorganen und mit Führungselementen im Schnitt X-X der Figur 9, in grösserem Massstab;
Figur 11
das Webblatt mit Ablenkorganen und mit Führungselementen im Schnitt XI-XI der Figur 9, in grösserem Massstab;
Figur 12
den Webbereich einer fünften Webmaschine in Seitenansicht;
Figur 13
das Webblatt mit Ablenkorganen im Schnitt XIII-XIII der Figur 12, in grösserem Massstab; und
Figur 14
das Webblatt mit Ablenkorganen und mit Führungselementen im Schnitt XIV-XIV der Figur 12, in grösserem Massstab.
Exemplary embodiments of the weaving machine according to the invention are explained in more detail below with the aid of schematic drawings, of which only the parts of the weaving area that are relevant to the present inventive design are shown here. Show it:
Figure 1
the weaving area of a first loom in side view;
Figure 2
the reed with deflection elements in section II-II of Figure 1, on a larger scale;
Figure 3
the reed with deflection elements and guide element in section III-III of Figure 1, on a larger scale;
Figure 4
the weaving area of a second loom in side view;
Figure 5
the reed in section VV of Figure 4, on a larger scale;
Figure 6
the reed with deflection elements in section VI-VI of Figure 4, on a larger scale;
Figure 7
the reed with deflector and with guide elements in section VII-VII of Figure 4, on a larger scale;
Figure 8
the weaving area of a third loom in side view;
Figure 9
the weaving area of a fourth loom in side view;
Figure 10
the reed with deflection elements and with guide elements in section XX of Figure 9, on a larger scale;
Figure 11
the reed with deflection members and with guide elements in section XI-XI of Figure 9, on a larger scale;
Figure 12
the weaving area of a fifth loom in side view;
Figure 13
the reed with deflection elements in section XIII-XIII of Figure 12, on a larger scale; and
Figure 14
the reed with deflection elements and with guide elements in section XIV-XIV of Figure 12, on a larger scale.

Wege zur Ausführung der Erfindung und gewerbliche AnwendbarkeitWays of carrying out the Invention and Industrial Applicability

In den nachfolgenden Ausführungsbeispielen und Figuren sind identische Bauteile mit gleichen Bezugszeichen versehen.In the following examples and figures Identical components with the same reference numerals.

Die Figur 1 zeigt den Webbereich einer ersten Webmaschine, die eine Vorrichtung 2 zur Bildung eines Webfaches 4 aus Kettfäden 6 aufweist. Von der Vorrichtung 2 zur Bildung des Webfaches sind nur Litzen 8 gezeigt, die die Kettfäden 6 auf- und abbewegen und somit das Webfach öffnen, schliessen und verändern. Die Kettfäden 6 bestehen z.B. aus Parallelgarnen, die im Luftverwirbelungsverfahren hergestellt sind und Verwirbelungspunkte als Knoten 10 enthalten. Die Kettfäden 6 sind an der Anschlagkante 12 zusammengeführt, an der mittels eines Webblattes 14 ein in das Webfach 4 eingetragener, jedoch nicht dargestellter Schussfaden angeschlagen wird und so zur Herstellung des Gewebes 16 dient. Das Webblatt 14 besteht aus einzelnen in einer Webblatteilung T angeordneten Webblattzähnen 18, die in einem unteren Träger 20 angeordnet und am oberen Ende durch einen Bindestab 22 miteinander verbunden sind. Das Webblatt ist am Blatthebel 23 fest eingespannt. Am Blatthebel 23 sind überdies Führungselemente 24 angeordnet, die zur Führung von Schussfadeneintragsmitteln 26 dienen, welche im vorliegenden Fall ein Eintragsband 28 aufweisen, das zwischen zwei nutenartigen Ausnehmungen 30 in Zähnen 32,34 des Führungselementes 24 geführt sind. Das Führungselement 24 ist koplanar zu der in Bewegungsrichtung liegenden Mittelebene M eines zugehörigen Webblattzahnes 18a angeordnet, wie sich insbesondere aus Figur 3 ergibt. Zwischen dem Webblattzahn 18a und dem Führungselement 24 ist ein Ablenkorgan 36 vorhanden, das einstückig mit dem Webblattzahn 18a ausgebildet ist. Das Ablenkorgan für die Kettfäden 6 erweitert sich beidseits der Mittelebene M in Richtung 38 des Schussfadenverlaufes, so dass es vom Webblattzahn 18a ausgehend eine keilförmige Führung für die Kettfäden bildet und diese seitlich an den Führungselementen 24 vorbei bewegt, ohne dass die Gefahr besteht, dass die Kettfäden an den Führungselementen 24 hängen bleiben.FIG. 1 shows the weaving area of a first weaving machine, the one device 2 for forming a shed 4 Warp threads 6 has. From the device 2 to form the In the shed, only strands 8 are shown which open the warp threads 6. and move and thus open, close and the shed change. The warp threads 6 are e.g. from parallel yarns, which are produced in the air swirling process and swirling points included as node 10. The warp threads 6 are brought together on the stop edge 12, on the means of a reed 14 an entered in the shed 4, but not shown weft thread is struck and thus serves to manufacture the fabric 16. The reed 14 consists of individual arranged in a reed T division Reed teeth 18 arranged in a lower carrier 20 and with each other at the upper end by a binding rod 22 are connected. The reed is firmly clamped on the leaf lever 23. Guide elements 24 are also on the leaf lever 23 arranged for guiding weft insertion means 26 serve, which in the present case is an entry band 28 have that between two groove-like recesses 30 in Teeth 32, 34 of the guide element 24 are guided. The Guide element 24 is coplanar with that in the direction of movement lying central plane M of an associated reed tooth 18a arranged, as can be seen in particular from Figure 3. Between the reed tooth 18a and the guide element 24 is a Deflector 36 present, which is integral with the reed tooth 18a is formed. The deflector for the warp threads 6 widens on both sides of the central plane M in the direction 38 of the Weft course so that it starts from the reed tooth 18a forms a wedge-shaped guide for the warp threads and these are moved laterally past the guide elements 24, without the risk that the warp threads on the Guide elements 24 get caught.

Das Ablenkorgan 36 beginnt unterhalb einer Anschlaglinie 40 des Webblattes 14 und erstreckt sich mindestens über die Oberseite des zugehörigen Führungselementes 24 vorzugsweise aber noch weiter nach unten, bis es aus dem Webfach 4 herausragt, wie in Figur 1 gezeigt ist. Nach oben und nach unten ist das Ablenkorgan 36 mit sich verjüngenden Abschnitten 42,44 versehen, um das Ablenken der Kettfäden beim Ein- und Ausfahren in das Webfach zu erleichtern. In der in Figur 1 strichpunktiert dargestellten Anschlagstellung des Webblattes liegt das Ablenkorgan unterhalb der Anschlagkante.The deflection member 36 begins below a stop line 40 of the reed 14 and extends at least over the Top of the associated guide member 24 preferably but further down until it protrudes from the shed 4, as shown in Figure 1. Up and down is the deflector 36 with tapered sections 42,44 provided to deflect the warp threads when entering and Easy to extend into the shed. 1 Dash-dotted stop position of the reed the deflector is below the stop edge.

Das Ablenkorgan ist vorzugsweise so ausgebildet, dass die grösste Breite B des Ablenkorganes höchstens dem Zehnfachen der Teilung T des Webblattzahnes entspricht. Die Länge L des Ablenkorganes in Bewegungsrichtung des Webblattes 14 beträgt mindestens die halbe Dicke d des Webblattzahnes 18a. Im gezeigten Beispiel entspricht der Abstand A benachbarter Ablenkorgane 36 der doppelten Teilung T der Webblattzähne 18.The deflector is preferably designed so that the maximum width B of the deflector at most ten times corresponds to the pitch T of the reed tooth. The length L of the Deflector in the direction of movement of the reed 14 is at least half the thickness d of the reed tooth 18a. in the shown example corresponds to the distance A adjacent Deflectors 36 of the double pitch T of the reed teeth 18.

In Figur 3 sind weitere Ausgestaltungen des Ablenkorganes 36 gezeigt. So besteht der Webblattzahn 18b aus zwei längs der Mittelebene M spiegelbildlich angeordneten Teilen 46, die zur Bildung des Ablenkorganes 36a verdickte Abschnitte 48 aufweisen. Der Webblattzahn 18b ist ebenfalls längs der Mittelebene M geteilt und spiegelbildlich ausgebildet. Die einzelnen Teile 50 bestehen aus Blech und die Ablenkorgane 36b sind durch abgewinkelte Randbereiche 52 gebildet.FIG. 3 shows further configurations of the deflection element 36 shown. So the reed tooth 18b consists of two along the Central plane M mirror-arranged parts 46, which for Formation of the deflection member 36a have thickened portions 48. The reed tooth 18b is also along the central plane M divided and mirrored. The single ones Parts 50 are made of sheet metal and the deflection members 36b are formed by angled edge areas 52.

Die Figuren 4 bis 7 zeigen den Webbereich einer weiteren Webmaschine, die hinsichtlich der Schussfadeneintragsmittel 36 identisch ist mit der Webmaschine der Figuren 1 bis 3. Allerdings ist hier der Bereich zwischen dem Webblattzahn 56 und dem Führungselement 54 als Ablenkorgan 58 ausgebildet. Ausserdem ist der Webblattzahn 56 nicht mit dem Webblatt 60 verbunden, sondern wird von dem Führungselement 54 getragen, das am Blatthebel 23 befestigt ist.Figures 4 to 7 show the weaving area of another Weaving machine in terms of weft insertion means 36 is identical to the weaving machine of FIGS. 1 to 3. However, here is the area between the reed tooth 56 and the guide element 54 as a deflector 58. In addition, the reed tooth 56 is not with the reed 60 connected, but is carried by the guide element 54, which is attached to the leaf lever 23.

Die Figur 8 zeigt eine Mischform zwischen dem Ausführungsbeispiel der Figuren 1 bis 3 und 4 bis 7, wobei das Führungselement 62 in Führungselementteile 62a,62b unterteilt ist. Der Führungselementteil 62b ist über eine Schraube 64 mit einem separaten Träger 66 verbunden, der seinerseits am Blatthebel 23 des Webblattes befestigt ist. Der andere Führungselementteil 62a bildet einen integralen Bestandteil des Webblattzahnes 68, wobei das Ablenkorgan 70 wiederum zwischen dem Führungselementteil 62a und dem Webblattzahn 68 angeordnet ist.FIG. 8 shows a mixed form between the exemplary embodiment of Figures 1 to 3 and 4 to 7, wherein the guide element 62 is divided into guide element parts 62a, 62b. Of the Guide element part 62b is via a screw 64 with a separate carrier 66 connected, which in turn on the leaf lever 23 of the reed is attached. The other part of the guide element 62a forms an integral part of the reed tooth 68, the deflector 70 in turn between the guide element part 62a and the reed tooth 68 is arranged.

Die Figuren 9 bis 11 zeigen den Webbereich einer weiteren Webmaschine, wobei die Führungselemente 72 so ausgebildet sind, dass sie als Schussfadeneintragsmittel einen Luftstrahl 74 verwenden, der aus Staffeldüsen 76 in die Führungselemente 72 eingeblasen wird. Den Führungselementen 72 zugeordnete Ablenkorgane 78 sind einstückig mit dem zugehörigen Webblattzahn 80 ausgebildet und zwar analog dem Ablenkorgan 36b der Figur 3.Figures 9 to 11 show the weaving area of another Weaving machine, the guide elements 72 being designed in this way are that they use an air jet as a weft insertion means 74 use that of relay nozzles 76 in the guide elements 72 is blown in. Assigned to the guide elements 72 Deflectors 78 are integral with the associated reed tooth 80 formed and that analog to the deflector 36b Figure 3.

Die Figuren 12 bis 14 zeigen den Webbereich einer weiteren Webmaschine, die ähnlich jener der Figuren 9 bis 11 aufgebaut ist, wobei jedoch in den Figuren 12 bis 14 die Führungselemente 82 einstückig an einem Webblattzahn 84 angeformt sind und die Ablenkorgane 86 zwischen dem Webblattzahn 84 und dem Führungselement 82 angeformt sind. Die zum Einblasen der Luft dienenden Staffeldüsen 88 sind an einem Träger 90 befestigt, der wiederum am Blatthebel 23 des Webblattes 14 befestigt ist. Im gezeigten Beispiel entspricht der Abstand A1 zwischen benachbarten Führungselementen 82 bzw. den entsprechenden Webblattzähnen 84 der dreifachen Teilung T der Webblattzähne 84 des Webblattes 14. Figures 12 to 14 show the weaving area of another Weaving machine constructed similarly to that of Figures 9 to 11 is, however, in Figures 12 to 14, the guide elements 82 are integrally formed on a reed tooth 84 and the deflectors 86 between the reed tooth 84 and the Guide element 82 are integrally formed. The one for blowing in the air serving relay nozzles 88 are attached to a carrier 90, which in turn is attached to the leaf lever 23 of the reed 14 is. In the example shown, the distance A1 corresponds to adjacent guide elements 82 or the corresponding Reed teeth 84 of the triple pitch T of the reed teeth 84 of reed 14.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

AA
Abstanddistance
BB
Breitewidth
dd
Dickethickness
LL
Längelength
MM
MittelebeneMiddle plane
TT
Teilungdivision
22nd
Vorrichtungcontraption
44th
WebfachShed
66
KettfadenWarp thread
88th
LitzeStrand
1010th
Knotennode
1212th
AnschlagkanteStop edge
1414
WebblattReed
1616
Gewebetissue
1818th
WebblattzahnReed tooth
18a18a
WebblattzahnReed tooth
18b18b
WebblattzahnReed tooth
2020th
Trägercarrier
2222
BindestabBinding rod
2323
BlatthebelLeaf lever
2424th
FührungsmittelLeadership resources
2626
SchussfadeneintragsmittelWeft insertion means
2828
EintragsbandEntry volume
3030th
AusnehmungRecess
3232
Zahntooth
3434
Zahntooth
3636
AblenkorganDeflector
36a36a
AblenkorganDeflector
36b36b
AblenkorganDeflector
3838
Richtungdirection
4040
AnschlaglinieAnchor line
4242
verjüngender Abschnitt tapered section
4444
verjüngender Abschnitttapered section
4646
Teilpart
4848
verdickter Abschnittthickened section
5050
Teilpart
5252
RandbereichEdge area
5454
FührungselementGuide element
5656
WebblattzahnReed tooth
5858
AblenkorganDeflector
6060
WebblattReed
6262
FührungselementGuide element
62a62a
FührungselementGuide element
62b62b
FührungselementGuide element
6464
Schraubescrew
6666
Trägercarrier
6868
WebblattzahnReed tooth
7070
AblenkorganDeflector
7272
FührungselementGuide element
7474
LuftstrahlAir jet
7676
StaffeldüseRelay nozzle
7878
AblenkorganDeflector
8080
WebblattzahnReed tooth
8282
FührungselementGuide element
8484
WebblattzahnReed tooth
8686
AblenkorganDeflector
8888
StaffeldüseRelay nozzle
9090
Trägercarrier

Claims (11)

  1. Weaving machine, having a device (2) for forming a shed (4) from warp threads (6), having weft thread insertion means (26) for inserting a weft thread into the shed (4), having guide elements (24, 54, 62, 62a, 62b, 72, 82) for the weft thread insertion means (26), which guide elements can be moved into and out of the shed (4) from below, and having a reed (14, 60) containing reed teeth (18, 18a, 18b, 56, 68, 80, 84) for driving in an inserted weft thread at the fell (12) of a cloth (16) that is to be produced, wherein after two or more reed tooth pitches (T) a guide element (24, 54, 62, 62a, 62b, 72, 82) is associated with the corresponding reed tooth (18, 18a, 18b, 56, 68, 80, 84), which guide element is coplanar to the mid-plane (M), lying in the direction of movement, of the reed tooth, wherein there is arranged between the reed tooth and the guide element (24, 54, 62, 62a, 62b, 72, 82) a deflecting member (36, 36a, 36b, 58, 70, 78, 86) for the warp thread (6), which deflecting member widens on both sides of the mid-plane (M) in the direction (38) in which the weft thread extends, the deflecting member extending downwards beginning beneath a driving-in line (40) of the reed (14, 60), characterised in that the deflecting member is in one piece with the reed tooth.
  2. Weaving machine according to claim 1, characterised in that the deflecting member (36, 36a, 36b, 58, 70, 78, 86) extends on the one hand at least to beneath the upper side of the guide element (24, 54, 62, 62a, 62b, 72, 82) and on the other hand preferably to beneath the shed (4), when the reed (14, 60) is in the position furthest from the fell (12) of the cloth (16).
  3. Weaving machine according to claim 1 or 2, characterised in that the greatest width (B) of the deflecting member (36, 36a, 36b, 58, 70, 78, 86) corresponds at most to ten times the pitch (T) of the reed (14, 60).
  4. Weaving machine according to at least one of claims 1 to 3, characterised in that the length (L) of the deflecting member (36, 36a, 36b, 58, 70, 78, 86) in the direction of movement of the reed (14, 60) is at least half the thickness (d) of the reed tooth (18, 18a, 18b, 56, 68, 80, 84).
  5. Weaving machine according to any one of claims 1 to 4, characterised in that the deflecting member (36, 36a, 36b, 58, 70, 78, 86) has a construction tapering towards the driving-in line (40) of the reed (14, 60).
  6. Weaving machine according to any one of claims 1 to 5, characterised in that the guide element (24, 72) is arranged independent of the reed tooth (18, 18a, 18b, 80).
  7. Weaving machine according to any one of claims 1 to 6, characterised in that the deflecting member (36, 36a, 58, 86) is in the form of a thickening (48) of the reed tooth (18, 18a, 18b, 56, 84).
  8. Weaving machine according to any one of claims 1 to 6, characterised in that the reed (14) is formed from parts (46, 50), preferably sheet metal parts, which are mirror symmetrically arranged relative to the mid-plane (M) and have bent edge regions (52) in order to form the deflecting member (36b).
  9. Weaving machine according to any one of claims 1 to 5, characterised in that the reed tooth (68, 84) having the integrated guide element (62a, 82) is connected to the reed (60).
  10. Weaving machine according to any one of claims 1 to 5, characterised in that the reed tooth (56) having the integrated guide element (54) is connected not to the reed (14) but preferably to a device (20) carrying the guide elements (54).
  11. Weaving machine according to one of claims 9 or 10, characterised in that the guide element (62) is in two parts, one guide element part (62a) being arranged on the reed tooth (68) and the other guide element part (62b) being arranged on a separate carrier (66).
EP96903861A 1995-04-18 1996-03-06 Power weaving loom Expired - Lifetime EP0822998B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29506561U DE29506561U1 (en) 1995-04-18 1995-04-18 Weaving machine
DE29506561U 1995-04-18
PCT/CH1996/000077 WO1996033304A1 (en) 1995-04-18 1996-03-06 Power weaving loom

Publications (2)

Publication Number Publication Date
EP0822998A1 EP0822998A1 (en) 1998-02-11
EP0822998B1 true EP0822998B1 (en) 1999-11-24

Family

ID=8006982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96903861A Expired - Lifetime EP0822998B1 (en) 1995-04-18 1996-03-06 Power weaving loom

Country Status (14)

Country Link
US (1) US6044870A (en)
EP (1) EP0822998B1 (en)
JP (1) JP3562816B2 (en)
KR (1) KR100396475B1 (en)
CN (1) CN1045215C (en)
AT (1) ATE186956T1 (en)
AU (1) AU4781796A (en)
BR (1) BR9608076A (en)
CA (1) CA2218494C (en)
DE (2) DE29506561U1 (en)
ES (1) ES2140065T3 (en)
HK (1) HK1009836A1 (en)
TR (1) TR199701205T1 (en)
WO (1) WO1996033304A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012233A3 (en) * 1998-10-16 2000-07-04 Picanol Nv Rapier WITH GUIDING MEANS FOR A BAND GRAB.
IT1303652B1 (en) * 1998-12-23 2001-02-21 Somet Soc Mec Tessile HANGER FOR SLIDER GUIDES OF THE PLIER TAPES IN A PLIER WEAVING FRAME
FR2866032B1 (en) * 2004-02-09 2006-05-05 Ltaief Bouaziz DEVICE FOR TEXTILE AND LENGTH GUIDING MACHINE AND INSERTION AND USE PROJECTILES
JP4412543B2 (en) * 2004-09-21 2010-02-10 弘治 大石橋 Weaving apparatus and weaving method for belt-shaped fiber bundle fabric
FR2913435B1 (en) * 2007-03-07 2009-12-04 Schonherr Textilmaschb Gmbh A WEAVING COMB, A WEAVING WORK COMPRISING SUCH A COMB AND METHOD OF MANUFACTURING SUCH A COMB.
CN109629069B (en) * 2018-12-27 2022-03-25 深圳市海弘装备技术有限公司 Device suitable for warp tensioning and heat setting
CN113818124A (en) * 2021-11-06 2021-12-21 绍兴纽卡纺织品有限公司 Power auxiliary stabilizing device of rapier machine

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Publication number Priority date Publication date Assignee Title
US35400A (en) * 1862-05-27 Improved composition for waterproofing cloth, leather
US2434114A (en) * 1946-03-21 1948-01-06 Andrews Company Dent for weaving reeds
US2833315A (en) * 1954-08-31 1958-05-06 George W Dunham Lay and pilot guide means
CS205624B1 (en) * 1978-12-15 1981-05-29 Vladimir Svaty Method of and apparatus for producting an auxiliary air flow in confusers
CH643610A5 (en) * 1979-03-17 1984-06-15 Toyoda Automatic Loom Works DEVICE FOR GUIDING A Weft On A Jet Weaving Machine.
FR2513667A1 (en) * 1981-09-28 1983-04-01 Saurer Diederichs Sa Airjet loom with auxiliary insertion jets - mounted in front of reed-constrictor assembly
FR2547602B1 (en) * 1983-06-15 1985-12-06 Saurer Diederichs Sa COMB WITH BUILT-IN CONTAINER, FOR WEAVING MACHINE WITHOUT SHUTTLE WITH PNEUMATIC WEFT INSERTION
FR2648161B1 (en) * 1989-06-09 1991-10-04 Saurer Diederichs Sa SUPPORT AND GUIDANCE DEVICE FOR MECHANICAL WEFT INSERTION DEVICES IN A NON-SHUTTLE WEAVING MACHINE
DE9100753U1 (en) * 1991-01-23 1992-05-27 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen, De
GB2265160B (en) * 1992-03-18 1996-03-06 Bonas Griffith Ltd Gripper type loom
DE19517493A1 (en) * 1995-05-12 1996-11-14 Dornier Gmbh Lindauer Reed for weaving machines

Also Published As

Publication number Publication date
TR199701205T1 (en) 1998-03-21
WO1996033304A1 (en) 1996-10-24
ES2140065T3 (en) 2000-02-16
KR19990007850A (en) 1999-01-25
CA2218494A1 (en) 1996-10-24
AU4781796A (en) 1996-11-07
CA2218494C (en) 2006-05-16
ATE186956T1 (en) 1999-12-15
BR9608076A (en) 1999-01-26
DE29506561U1 (en) 1995-06-08
KR100396475B1 (en) 2003-11-28
CN1181792A (en) 1998-05-13
DE59603715D1 (en) 1999-12-30
CN1045215C (en) 1999-09-22
EP0822998A1 (en) 1998-02-11
JP3562816B2 (en) 2004-09-08
US6044870A (en) 2000-04-04
JPH11503797A (en) 1999-03-30
HK1009836A1 (en) 1999-06-11

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