EP0694638A1 - Warp tension device for a loom - Google Patents

Warp tension device for a loom Download PDF

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Publication number
EP0694638A1
EP0694638A1 EP95110391A EP95110391A EP0694638A1 EP 0694638 A1 EP0694638 A1 EP 0694638A1 EP 95110391 A EP95110391 A EP 95110391A EP 95110391 A EP95110391 A EP 95110391A EP 0694638 A1 EP0694638 A1 EP 0694638A1
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EP
European Patent Office
Prior art keywords
roller
bearing
warp
lever
component
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Granted
Application number
EP95110391A
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German (de)
French (fr)
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EP0694638B1 (en
Inventor
Horst Dipl.-Ing. Häussler (FH)
Wilhelm Dipl.-Ing. Herrlein (Fh)
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Publication of EP0694638A1 publication Critical patent/EP0694638A1/en
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/12—Controlling warp tension by means other than let-off mechanisms

Definitions

  • Tensioning unit for the weaving chain of a weaving machine having a first outer and second outer side cheek, with functional elements on the warp beam side that extend across the weaving width, such as a coating roller, a deflecting roller, and with at least one element that applies a tension force and with elements that apply the tension force transfer the match tree.
  • a device for tensioning a warp on a weaving machine is known from European patent 0 109 472 B1.
  • the object on which the known invention is based is, inter alia, to meet the requirements for weaving at high warp tensions, for constant warp tension during weaving of the warp beam and for the lowest possible inertia of the tensioning element which tension the warp during its periodic oscillating movements.
  • a device which consists of a spring-like rod-like tensioning element and a support tree on which the tensioning element is supported several times over the weaving width, and about the center axis of which the tensioning element is arranged pivotably.
  • the tensioning element should be a tensioning element which is rigidly connected to the supporting tree and is not resilient in itself.
  • the known solution meets the aforementioned requirements in that the supporting beam is supported together with a deflecting beam for the warp threads between the warp beam and the tensioning element in several bearing plates connected below the weaving plane with a machine-fixed support.
  • Such a support enables the tensioning element as well as the supporting tree and the deflecting tree to be designed with relatively small cross-sectional dimensions and consequently with little mass.
  • a disadvantage of this solution is that the tensioning element is inevitably in fixed connection with the supporting tree via corresponding connecting pieces. Such a design is costly with regard to the manufacturing process of the support tree tensioning element connection.
  • a device for tensioning the warp is also known from European patent application 0 409 306 A1.
  • the object of the solution according to the invention here is to provide a device for tensioning the warp which is suitable for periodically influencing the tension of the warp as a function of the warp tension present during the change of shed and the rip fence.
  • the object is achieved in that the back rest is received between two supports arranged within the weaving machine and each support is mounted on a support arm running below and parallel to the weaving plane, which in turn has one free end on a second but pivotally mounted one Arm is articulated.
  • the other free end of the support arm is operatively connected to an eccentric shaft of a gear means.
  • the warp should be periodically tensioned and relieved by means of an eccentric stroke applied periodically by the gear means.
  • the aforementioned technical solution is not based on the design of a particularly low-mass tensioning unit for warp tensioning, including the coating roller and the deflection roller.
  • the object of the present invention is to provide a tensioning unit for the warp, which dispenses with a conventional supporting tree on which the coating roller is supported, in which the coating roller and the deflection roller are designed to be low-mass and loosely received, and the tensioning unit as such is within the Weaving machine is pivotable and adjustable back and forth in the weaving direction.
  • the roller lever is operatively connected to a lever element, via which the warp tension is transmitted from at least one tensioning element to the coating roller.
  • a lever element is a cam, for example.
  • Each cam disk is supported by a shaft which rotates through the end shields and which cooperates with the tensioning element via at least one lever which is connected to this shaft in a rotationally fixed manner.
  • the roller lever is designed as a one-armed lever in the case of interaction with the cam disc. A Two-armed lever formation is conceivable, for example, if the aforementioned shaft with the cam disks is dispensed with.
  • the clamping unit 1 acc. 1 to 3 forms, inter alia, a rotationally symmetrical cross member 2 which is carried in the receptacle 3 of the component 4 and is adjustable about its longitudinal axis 2A.
  • the cross member 2 can be locked in the receptacle 3 by means of the screws 5.
  • the component 4 is shown in FIG. 2 as an individual part.
  • the component 4 is over with the component 7 arranged in a height-adjustable manner on the first outer side cheek 6, see FIG. 2 the guide 7A and the elongated holes 7B are connected by means not shown which pass through the elongated holes 4A and 4B in the component 4.
  • each component 4 is also a in the weaving direction according to the bolts 8.
  • Carrier 10 pointing arrow 9 is present, to which a first articulation point 11 of a tensioning element 12, for example a tension spring, is articulated.
  • the second articulation point 13 of the tensioning element 12 is connected to the free end of a one-armed lever 14. It should be mentioned that the components 4, 5, 7 are once again present in identical configuration and arrangement on the opposite weaving machine side.
  • a plurality of end shields 15, but at least a first outer and a second outer end shield 15, are arranged on the cross member 2 extending from one weaving machine side to the other. All end shields 15 lie in a common plane.
  • the individual end shields 15 form a bearing 15A at their free end, preferably a two-point roller bearing for receiving the deflection roller 16, see also FIG. 3.
  • the two bearing rollers 17 are rotatably mounted on the axes of rotation 18 integrated in the bearing plate 15.
  • a roller lever 19 designed as a single-armed lever, best seen in FIG. 1 and FIG. 3, is pivotably mounted about an axis 20, preferably close to the bearing plate 15.
  • the axis 20 is fixed on the bearing plate 15 so that the roller lever 19 together with the coating roller 21 can perform an adjustment and a periodic pivoting movement in the directions of the double arrow 22 according to the requirements.
  • the roller lever 19 here also has a two-point roller bearing 19A for the coating roller 21, see also FIGS. 1 to 3.
  • the axes of rotation 23 of the two bearing rollers 24 are integrated in the roller lever 19.
  • a scanning roller 25 is integrated in the roller lever 19 such that its axis of rotation 26 lies at the intersection of the obtuse angle of a triangle which can be formed between the axes of rotation 23 of the bearing rollers 24 and the axis of rotation 26 of the scanning roller 25.
  • Cam discs 29 are connected to a shaft 28 which passes through the end shields 15 in the bearing 27 and on which at least one spring-loaded lever 14 engages in a rotationally fixed manner.
  • One cam 29 each is in operative connection with the relevant scanning roller 25 of the roller lever 19, see also FIGS. 1 to 3.

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

Abstract

A loom unit for tensioning the warp has first and second side cheeks (6) enclosing, laterally with the warp beam and extending over the web width, operating elements such as a back roller (21) and a direction changing roller (16). A spring (12) applies warp (30) pre-tension and at each side cheek there is a height-adjustable component (7) while, connected to it and under the web plane, a component (4) moves forwards and backwards w.r.t. web direction. Component (4) holds, extending over the web width, a cross support (2) which can rotate, pref. symmetrically, about its long axis. The cross-support carries several bearing cases (15) spaced from each other where each forms a bearing (15A) at its free end to support the direction changing roller. At least one swivelling roller lever (19) is connected to each bearing case to form a bearing (19A) which loosely supports the back roller and each lever (19) makes contact with a cam on a shaft (28) extending over the web width. A lever (14) connected to the spring (12) engages the shaft. <IMAGE>

Description

Spanneinheit für die Webkette einer Webmaschine, wobei die Webmaschine eine erste äußere und zweite äußere Seitenwange aufweist, mit kettbaumseitigen über die Webbreite reichenden Funktionselementen, wie eine Streichwalze, eine Umlenkwalze, und mit wenigstens einem eine Spannkraft aufbringenden Element und mit Elementen, die die Spannkraft auf den Streichbaum übertragen.Tensioning unit for the weaving chain of a weaving machine, the weaving machine having a first outer and second outer side cheek, with functional elements on the warp beam side that extend across the weaving width, such as a coating roller, a deflecting roller, and with at least one element that applies a tension force and with elements that apply the tension force transfer the match tree.

Aus der euorpäischen Patentschrift 0 109 472 B1 ist eine Einrichtung zum Spannen einer Webkette an einer Webmaschine bekannt.
Die der bekannten Erfindung zugrundeliegende Aufgabe besteht unter anderem darin, den Forderungen nach Weben bei hohen Kettspannungen, nach konstanter Kettspannung während des Abwebens des Kettbaumes und nach möglichst geringer Trägheit des die Webkette spannenden Spannelementes bei seinen periodischen Schwingbewegungen nachzukommen.A device for tensioning a warp on a weaving machine is known from European patent 0 109 472 B1.
The object on which the known invention is based is, inter alia, to meet the requirements for weaving at high warp tensions, for constant warp tension during weaving of the warp beam and for the lowest possible inertia of the tensioning element which tension the warp during its periodic oscillating movements.

Gelöst wird diese Aufgabe durch eine Einrichtung, die aus einem unter Federwirkung stehenden stangenartigen Spannelement und aus einem Tragbaum besteht, auf dem das Spannelement über die Webbreite mehrfach abgestützt ist, und um dessen Mittenachse das Spannelement schwenkbar angeordnet ist.
Bei dem Spannelement soll es sich um ein starr mit dem Tragbaum verbundenes und in sich nicht federndes Spannelement handeln.This object is achieved by a device which consists of a spring-like rod-like tensioning element and a support tree on which the tensioning element is supported several times over the weaving width, and about the center axis of which the tensioning element is arranged pivotably.
The tensioning element should be a tensioning element which is rigidly connected to the supporting tree and is not resilient in itself.

Den vorgenannten Forderungen wird die bekannte Lösung dadurch gerecht, daß der Tragbaum gemeinsam mit einem Umlenkbaum für die Kettfäden zwischen Kettbaum und Spannelement in mehreren unterhalb der Webebene mit einem maschinenfesten Träger verbundenen Lagerschilden abgestützt ist.The known solution meets the aforementioned requirements in that the supporting beam is supported together with a deflecting beam for the warp threads between the warp beam and the tensioning element in several bearing plates connected below the weaving plane with a machine-fixed support.

Eine derartige Abstützung ermöglicht, daß sowohl das Spannelement als auch der Tragbaum und der Umlenkbaum mit verhältnismäßig geringen Querschnittsdimensionen und demzufolge massearm ausgebildet werden können.
Nachteilig bei dieser Lösung ist dennoch, daß das Spannelement zwangsläufig über entsprechende Verbindungsstücke in fester Verbindung mit dem Tragbaum steht.
Eine derartige Ausbildung ist kostenaufwendig im Hinblick auf den Herstellungsprozeß der Tragbaum-Spannelement-Verbindung.Such a support enables the tensioning element as well as the supporting tree and the deflecting tree to be designed with relatively small cross-sectional dimensions and consequently with little mass.
However, a disadvantage of this solution is that the tensioning element is inevitably in fixed connection with the supporting tree via corresponding connecting pieces.
Such a design is costly with regard to the manufacturing process of the support tree tensioning element connection.

Eine Einrichtung zum Spannen der Webkette ist ferner aus der europäischen Patentanmeldung 0 409 306 A1 bekannt.
Die Aufgabe der erfindungsgemäßen Lösung besteht hier darin, eine Vorrichtung zum Spannen der Webkette zu schaffen, die geeignet ist, in Abhängigkeit von der während des Fachwechsels und des Blattanschlags vorliegenden Kettspannung periodisch auf die Spannung der Webkette Einfluß zu nehmen.A device for tensioning the warp is also known from European patent application 0 409 306 A1.
The object of the solution according to the invention here is to provide a device for tensioning the warp which is suitable for periodically influencing the tension of the warp as a function of the warp tension present during the change of shed and the rip fence.

Gelöst wird die Aufgabe dadurch, daß der Streichbaum (back rest) zwischen zwei innerhalb der Webmaschine angeordneten Stützen aufgenommen ist und jede Stütze auf einem unterhalb und parallel zur Webebene verlaufenden Tragarm montiert ist, der seinerseits mit dem einen freien Ende an einem zweiten jedoch schwenkbar gelagerten Arm angelenkt ist. Das andere freie Ende des Tragarmes steht mit einer Exzenterwelle eines getrieblichen Mittels in Wirkverbindung.
Mittels eines periodisch von dem getrieblichen Mittel aufgebrachten Exzenterhubes soll die Webkette periodisch gespannt und entlastet werden.The object is achieved in that the back rest is received between two supports arranged within the weaving machine and each support is mounted on a support arm running below and parallel to the weaving plane, which in turn has one free end on a second but pivotally mounted one Arm is articulated. The other free end of the support arm is operatively connected to an eccentric shaft of a gear means.
The warp should be periodically tensioned and relieved by means of an eccentric stroke applied periodically by the gear means.

Die vorgenannte technische Lösung stellt nicht darauf ab, eine besonders massearme Spanneinheit zur Webkettenspannung unter Einbeziehung von Streichwalze und Umlenkwalze auszubilden.The aforementioned technical solution is not based on the design of a particularly low-mass tensioning unit for warp tensioning, including the coating roller and the deflection roller.

Aufgabe der vorliegenden Erfindung ist es, eine Spanneinheit für die Webkette zu schaffen, die auf einen konventionellen Tragbaum, auf dem sich die Streichwalze abstützt, verzichtet, in der die Streichwalze und die Umlenkwalze massearm ausgebildet und lose aufgenommen ist und die Spanneinheit als solche innerhalb der Webmaschine schwenkbar und in Webrichtung hin und zurück verstellbar ausgebildet ist.The object of the present invention is to provide a tensioning unit for the warp, which dispenses with a conventional supporting tree on which the coating roller is supported, in which the coating roller and the deflection roller are designed to be low-mass and loosely received, and the tensioning unit as such is within the Weaving machine is pivotable and adjustable back and forth in the weaving direction.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale von Patentanspruch 1 gelöst.
Wesentliches Merkmale ist es danach, daß in einer Baueinheit, die aus einem an sich bekannten an jeder Seitenwange der Webmaschine höhenverstellbaren Bauteil und aus einem im wesentlichen parallel zur Webebene verschiebbaren Bauteil besteht, ein über die Webbreite reichender und um seine Längsachse drehbarer, vorzugsweise rotations-symmetrischer Querträger aufgenommen ist, an welchem Querträger mehrere voneinander beabstandete und in einer Ebene liegende Lagerschilde angeordnet sind, die die Streich- und Umlenkwalze aufnehmen.
Die freien Enden der Lagerschilde bilden ein Lager für die Umlenkwalze aus. Vorzugsweise ist an jedem Lagerschild ein Rollenhebel drehbeweglich gelagert, der eine Lagerung, insbesondere eine Zwei-Punkt-Lagerung für die Streichwalze ausbildet. Der Rollenhebel steht mit einem Hebelelement in Wirkverbindung, über das die Webkettenvorspannung von wenigstens einem Spannelement auf die Streichwalze übertragen wird.
Ein derartiges Element ist zum Beispiel eine Kurvenscheibe. Jede Kurvenscheibe wird von einer die Lagerschilde drehbeweglich durchgreifenden Welle getragen, die über wenigstens einen drehfest mit dieser Welle verbundenen Hebel mit dem Spannelement zusammenwirkt.
Der Rollenhebel ist im Falle des Zusammenwirkens mit der Kurvenscheibe als ein einarmiger Hebel ausgebildet. Eine zweiarmige Hebelausbildung ist z.B. bei Verzicht auf die vorgenannte Welle mit den Kurvenscheiben denkbar.This object is achieved by the characterizing features of claim 1.
It is then essential that in a structural unit consisting of a component which is known per se and which is height-adjustable on each side cheek of the weaving machine and a component which can be displaced essentially parallel to the weaving plane, a component that extends over the weaving width and can be rotated about its longitudinal axis, preferably rotating. Symmetrical cross member is included, on which cross member a plurality of spaced and in one plane end shields are arranged, which receive the coating and deflection roller.
The free ends of the end shields form a bearing for the deflection roller. A roller lever, which forms a bearing, in particular a two-point bearing, for the coating roller is preferably rotatably mounted on each bearing plate. The roller lever is operatively connected to a lever element, via which the warp tension is transmitted from at least one tensioning element to the coating roller.
One such element is a cam, for example. Each cam disk is supported by a shaft which rotates through the end shields and which cooperates with the tensioning element via at least one lever which is connected to this shaft in a rotationally fixed manner.
The roller lever is designed as a one-armed lever in the case of interaction with the cam disc. A Two-armed lever formation is conceivable, for example, if the aforementioned shaft with the cam disks is dispensed with.

Die sich mit der erfindungsgemäßen Lösung ergebenen Vorteile bestehen im wesentlichen in der relativ massearmen Ausbildung der gesamten Spanneinheit und in dem Vermeiden einer Relativbewegung der Webkette sowohl zwischen der Streichwalze als auch zwischen der Umlenkwalze.
Ein weiterer Vorteil besteht darin, daß in beiden Fällen Walzen mit einem bestimmten Durchmesser gegen Walzen mit einem anderen Durchmesser problemlos austauschbar sind.The advantages resulting from the solution according to the invention consist essentially in the relatively low-mass design of the entire tensioning unit and in the avoidance of a relative movement of the warp both between the coating roller and between the deflection roller.
Another advantage is that in both cases rolls with a certain diameter can be easily exchanged for rolls with a different diameter.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels näher beschrieben.The invention is described below with reference to an embodiment.

In der Zeichnung zeigen:

Figur 1
die kettbaumseitige Spanneinheit in der Seitenansicht,
Figur 2
die kettbaumseitige Spanneinheit in perspektivischer Darstellung
Figur 3
die Spanneinheit in der Seitenansicht mit Rollenlagerung der Umlenkwalze
The drawing shows:
Figure 1
the warp beam side tensioning unit in side view,
Figure 2
the warp beam side tensioning unit in perspective
Figure 3
the clamping unit in side view with roller bearing of the deflection roller

Die Spanneinheit 1 gem. der Figuren 1 bis 3 bildet u.a. einen rotations-symmetrischen Querträger 2 aus, der in der Aufnahme 3 des Bauteils 4 getragen und um seine Längsachse 2A verstellbar ist. Über die Schrauben 5 ist der Querträger 2 in der Aufnahme 3 arretierbar. Das Bauteil 4 ist in Fig. 2 als Einzelteil dargestellt.
Das Bauteil 4 ist mit dem an der ersten äußeren Seitenwange 6, siehe Fig. 2, höhenverstellbar angeordneten Bauteil 7 über die Führung 7A und die Langlöcher 7B durch nicht dargestellte Mittel, die die Langlöcher 4A und 4B im Bauteil 4 durchgreifen, verbunden.The clamping unit 1 acc. 1 to 3 forms, inter alia, a rotationally symmetrical cross member 2 which is carried in the receptacle 3 of the component 4 and is adjustable about its longitudinal axis 2A. The cross member 2 can be locked in the receptacle 3 by means of the screws 5. The component 4 is shown in FIG. 2 as an individual part.
The component 4 is over with the component 7 arranged in a height-adjustable manner on the first outer side cheek 6, see FIG. 2 the guide 7A and the elongated holes 7B are connected by means not shown which pass through the elongated holes 4A and 4B in the component 4.

An jedem Bauteil 4 ist ferner über die Bolzen 8 ein in die Webrichtung gem. Pfeil 9 weisender Träger 10 vorhanden, an dem ein erster Anlenkpunkt 11 eines Spannelementes 12, zum Beispiel eine Zugfeder, angelenkt ist.
Der zweite Anlenkpunkt 13 des Spannelementes 12 ist mit dem freien Ende eines einarmigen Hebels 14 verbunden.
Es sei erwähnt, daß die Bauteile 4, 5, 7 in identischer Ausbildung und Anordnung auf der gegenüberliegenden Webmaschinenseite ein weiteres Mal vorhanden sind.On each component 4 is also a in the weaving direction according to the bolts 8. Carrier 10 pointing arrow 9 is present, to which a first articulation point 11 of a tensioning element 12, for example a tension spring, is articulated.
The second articulation point 13 of the tensioning element 12 is connected to the free end of a one-armed lever 14.
It should be mentioned that the components 4, 5, 7 are once again present in identical configuration and arrangement on the opposite weaving machine side.

An dem von der einen Webmaschinenseite zur anderen reichenden Querträger 2 sind mehrere Lagerschilde 15, wenigstens jedoch ein erstes äußeres und ein zweites äußeres Lagerschild 15 angeordnet. Alle Lagerschilde 15 liegen in einer gemeinsamen Ebene.
Die einzelnen Lagerschilde 15 bilden an ihrem freien Ende ein Lager 15A aus, vorzugsweise eine Zweipunkt-Rollen-Lagerung zur Aufnahme der Umlenkwalze 16, siehe auch Figur 3.
In Figur 3 sind die beiden Lagerrollen 17 auf den im Lagerschild 15 integrierten Drehachsen 18 drehend gelagert. Ein als einarmiger Hebel ausgebildeter Rollenhebel 19, am besten in Figur 1 und Figur 3 zu sehen, ist schwenkbar um eine Achse 20, vorzugsweise nahe am Lagerschild 15 gelagert. Die Achse 20 ist dabei so am Lagerschild 15 festgelegt, daß der Rollenhebel 19 zusammen mit der Streichwalze 21 eine den Erfordernissen entsprechende Stell- und eine periodische Schwenkbewegung in die Richtungen des Doppelpfeiles 22 ausführen kann.
Der Rollenhebel 19 weist hier ebenfalls eine Zweipunkt-Rollen-Lagerung 19A für die Streichwalze 21 auf, siehe auch die Figuren 1 bis 3.A plurality of end shields 15, but at least a first outer and a second outer end shield 15, are arranged on the cross member 2 extending from one weaving machine side to the other. All end shields 15 lie in a common plane.
The individual end shields 15 form a bearing 15A at their free end, preferably a two-point roller bearing for receiving the deflection roller 16, see also FIG. 3.
In Figure 3, the two bearing rollers 17 are rotatably mounted on the axes of rotation 18 integrated in the bearing plate 15. A roller lever 19 designed as a single-armed lever, best seen in FIG. 1 and FIG. 3, is pivotably mounted about an axis 20, preferably close to the bearing plate 15. The axis 20 is fixed on the bearing plate 15 so that the roller lever 19 together with the coating roller 21 can perform an adjustment and a periodic pivoting movement in the directions of the double arrow 22 according to the requirements.
The roller lever 19 here also has a two-point roller bearing 19A for the coating roller 21, see also FIGS. 1 to 3.

Die Drehachsen 23 der beiden Lagerrollen 24 sind in dem Rollenhebel 19 integriert.The axes of rotation 23 of the two bearing rollers 24 are integrated in the roller lever 19.

Eine Abtastrolle 25 ist im Rollenhebel 19 so integriert, daß deren Drehachse 26 im Schnittpunkt des stumpfen Winkels eines zwischen den Drehachsen 23 der Lagerrollen 24 und der Drehachse 26 der Abtastrolle 25 bildbaren Dreiecks liegt.A scanning roller 25 is integrated in the roller lever 19 such that its axis of rotation 26 lies at the intersection of the obtuse angle of a triangle which can be formed between the axes of rotation 23 of the bearing rollers 24 and the axis of rotation 26 of the scanning roller 25.

Mit einer die Lagerschilde 15 in dem Lager 27 durchgreifenden Welle 28, an der wenigstens ein federbelasteter Hebel 14 drehfest angreift, sind Kurvenscheiben 29 verbunden. Jeweils eine Kurvenscheibe 29 steht dabei mit der betreffenden Abtastrolle 25 des Rollenhebels 19 in Wirkverbindung, siehe auch die Figuren 1 bis 3.Cam discs 29 are connected to a shaft 28 which passes through the end shields 15 in the bearing 27 and on which at least one spring-loaded lever 14 engages in a rotationally fixed manner. One cam 29 each is in operative connection with the relevant scanning roller 25 of the roller lever 19, see also FIGS. 1 to 3.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

11
SpanneinheitClamping unit
22nd
QuerträgerCross member
2A2A
LängsachseLongitudinal axis
33rd
Aufnahmeadmission
44th
BauteilComponent
4A4A
LanglochLong hole
4B4B
LanglochLong hole
55
Schraubescrew
66
SeitenwangeSidewall
77
BauteilComponent
7A7A
Führungguide
7B7B
LanglochLong hole
88th
Bolzenbolt
99
Pfeilarrow
1010th
Trägercarrier
1111
AnlenkpunktPivot point
1212th
FederelementSpring element
1313
AnlenkpunktPivot point
1414
Hebellever
1515
LagerschildEnd shield
15A15A
Lagercamp
1616
UmlenkwalzeDeflection roller
1717th
LagerrolleStorage role
1818th
DrehachseAxis of rotation
1919th
RollenhebelRoller lever
19A19A
Lagercamp
2020th
Achseaxis
2121
StreichwalzeDoctor roller
2222
DoppelpfeilDouble arrow
2323
DrehachseAxis of rotation
2424th
LagerrolleStorage role
2525th
AbtastrolleScanning roll
2626
DrehachseAxis of rotation
2727
Lagercamp
2828
Wellewave
2929
KurvenscheibeCam
3030th
WebketteWarp

Claims (3)

Spanneinheit für die Webkette in einer Webmaschine, wobei die Webmaschine eine erste äußere und eine zweite äußere Seitenwange (6) aufweist, mit kettbaumseitigen über die Webbreite reichenden Funktionselementen, wie eine Streichwalze (21), eine Umlenkwalze (16), mit einem eine Webkettenvorspannung aufbringenden Federelement (12), mit einem an jeder Seitenwange (6) der Webmaschine angeordneten, höhenverstellbaren Bauteil (7) und mit einem unterhalb der Webebene in Webrichtung und zurück verschiebbaren Bauteil (4), das mit dem höhenverstellbarem Bauteil (7) in Verbindung steht, dadurch gekennzeichnet, daß in dem Bauteil (4) ein über die Webbreite reichender und um seine Längsachse (2A) drehbarer, vorzugsweise rotationssymmetrischer Querträger (2) aufgenommen ist, der mehrere voneinander beabstandet angeordnete Lagerschilde (15) trägt, daß das freie Ende jedes der Lagerschilde (15) ein Lager (15A) ausbildet, in welchem die Umlenkwalze (16) getragen ist, daß mit jedem Lagerschild (15) wenigstens ein um eine Achse (20) schwenkbar gelagerter Rollenhebel (19) verbunden ist, der ein Lager (19A) ausbildet, in welchem Lager (19A) die Streichwalze (21) lose getragen ist, daß jeder Rollenhebel (19) mit einer auf einer über die Webbreite reichenden Welle (28) angeordneten Kurvenscheibe (29) in abtastender Verbindung steht, und daß an der Welle (28) ein Hebel (14) angreift, der mit dem die Vorspannung auf die Webkette (30) aufbringenden Federelement (12) verbunden ist.Tensioning unit for the warp in a weaving machine, the weaving machine having a first outer and a second outer side cheek (6) with functional elements on the warp beam side that extend across the weaving width, such as a coating roller (21), a deflection roller (16), with a warp tensioning device Spring element (12), with a height-adjustable component (7) arranged on each side cheek (6) of the weaving machine and with a component (4) which can be moved back and forth in the weaving direction and which is connected to the height-adjustable component (7), characterized in that the component (4) accommodates a crossmember (2) which extends over the weaving width and rotates about its longitudinal axis (2A), preferably rotationally symmetrical, and which carries a plurality of spaced-apart bearing plates (15) such that the free end of each of the End shields (15) forms a bearing (15A) in which the deflection roller (16) is carried, that with each layer rschild (15) at least one roller lever (19) pivotally mounted about an axis (20) is connected, which forms a bearing (19A), in which bearing (19A) the coating roller (21) is loosely carried, that each roller lever (19) is in a sensing connection with a cam (29) arranged on a shaft (28) that extends over the weaving width, and that a lever (14) engages on the shaft (28), which uses the spring element that applies the pretension to the warp (30) (12) is connected. Spanneinheit nach Anspruch 1, dadurch gekennzeichnet, daß die Lager (19A) für die Streichwalze (21) und die Lager (15A) für die Umlenkwalze (16) wahlweise aus einzelnen Lagerrollen (24 bzw. 17) bestehen oder als Gleitlager ausgebildet sind.Tensioning unit according to claim 1, characterized in that the bearings (19A) for the coating roller (21) and the bearings (15A) for the deflection roller (16) optionally consist of individual bearing rollers (24 or 17) or are designed as plain bearings. Spanneinheit nach Anspruch 1, dadurch gekennzeichnet, daß der Rollenhebel (19) eine Abtastrolle (25) trägt, deren Drehachse (26) im Schnittpunkt des stumpfen Winkels eines zwischen den Drehachsen (23) der Lagerrollen (24) und der Drehachse (26) der Abtastrolle (25) bildbarem Dreiecks liegt.Tensioning unit according to claim 1, characterized in that the roller lever (19) carries a scanning roller (25), the axis of rotation (26) of which at the intersection of the obtuse angle between the axes of rotation (23) of the bearing rollers (24) and the axis of rotation (26) Scanning roller (25) triangle.
EP95110391A 1994-07-30 1995-07-04 Warp tension device for a loom Expired - Lifetime EP0694638B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4427129 1994-07-30
DE4427129A DE4427129C2 (en) 1994-07-30 1994-07-30 Tensioning unit for the weaving chain of a weaving machine

Publications (2)

Publication Number Publication Date
EP0694638A1 true EP0694638A1 (en) 1996-01-31
EP0694638B1 EP0694638B1 (en) 1999-09-15

Family

ID=6524600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110391A Expired - Lifetime EP0694638B1 (en) 1994-07-30 1995-07-04 Warp tension device for a loom

Country Status (4)

Country Link
US (1) US5562128A (en)
EP (1) EP0694638B1 (en)
JP (1) JP2812901B2 (en)
DE (2) DE4427129C2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030201A1 (en) * 1996-02-17 1997-08-21 Picanol N.V. Device for tensioning a warp thread sheet in a mechanical loom
BE1010263A3 (en) * 1996-02-17 1998-04-07 Picanol Nv TENSIONING DEVICE FOR A FLAT warp threads.
WO1998054386A1 (en) * 1997-05-28 1998-12-03 Picanol N.V. Device for tensioning warp threads in a loom
EP1031652A2 (en) * 1998-12-17 2000-08-30 NUOVA VAMATEX S.p.A. Warp tension device with a gradual-action suspension for weaving looms
CN104975416A (en) * 2015-07-14 2015-10-14 吴江新劲纺织有限公司 Yarn-tensioning device for textile use
WO2018041592A1 (en) * 2016-09-02 2018-03-08 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Method and device for changing the dynamic behaviour of a back rest of a weaving machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538121C1 (en) * 1995-10-13 1997-02-27 Dornier Gmbh Lindauer Warp tensioner useful for loom esp. for tension sensitive yarns
DE19740309A1 (en) * 1997-09-13 1999-06-10 Dornier Gmbh Lindauer Method and device for adjusting a match tree and warp guard of a weaving machine to produce a specific shed geometry
JP4973142B2 (en) * 2006-11-17 2012-07-11 株式会社豊田自動織機 Warp tension controller for pile weaving loom
CN105040244B (en) * 2015-06-25 2018-03-20 湖州杰盛高科纺织有限公司 A kind of method and loom for improving flatness of weaving cotton cloth
CN107718599A (en) * 2017-11-03 2018-02-23 茂名市腾龙工业皮带有限公司 A kind of industrial belt glass wire bobbin winoler
CN112376150B (en) * 2020-11-24 2023-08-01 湖南鑫海股份有限公司 Warp let-off system for netting machine

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EP0109472A1 (en) * 1982-10-26 1984-05-30 GebràœDer Sulzer Aktiengesellschaft Warp tensioning device on a weaving loom
EP0231726A1 (en) * 1986-01-13 1987-08-12 GebràœDer Sulzer Aktiengesellschaft Loom
EP0409306A1 (en) * 1989-07-17 1991-01-23 Picanol N.V. Device for moving the back rest in weaving machines

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FR2432059A1 (en) * 1978-07-24 1980-02-22 Saurer Diederichs Sa DEVICE FOR AVOIDING DIFFERENCES FROM START-UP IN A WEAVING MACHINE
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Publication number Priority date Publication date Assignee Title
EP0109472A1 (en) * 1982-10-26 1984-05-30 GebràœDer Sulzer Aktiengesellschaft Warp tensioning device on a weaving loom
EP0231726A1 (en) * 1986-01-13 1987-08-12 GebràœDer Sulzer Aktiengesellschaft Loom
EP0409306A1 (en) * 1989-07-17 1991-01-23 Picanol N.V. Device for moving the back rest in weaving machines

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030201A1 (en) * 1996-02-17 1997-08-21 Picanol N.V. Device for tensioning a warp thread sheet in a mechanical loom
BE1010263A3 (en) * 1996-02-17 1998-04-07 Picanol Nv TENSIONING DEVICE FOR A FLAT warp threads.
WO1998054386A1 (en) * 1997-05-28 1998-12-03 Picanol N.V. Device for tensioning warp threads in a loom
BE1011184A3 (en) * 1997-05-28 1999-06-01 Picanol Nv Device for determining the chain ​​tension.
EP1031652A2 (en) * 1998-12-17 2000-08-30 NUOVA VAMATEX S.p.A. Warp tension device with a gradual-action suspension for weaving looms
EP1031652A3 (en) * 1998-12-17 2000-09-06 NUOVA VAMATEX S.p.A. Warp tension device with a gradual-action suspension for weaving looms
CN104975416A (en) * 2015-07-14 2015-10-14 吴江新劲纺织有限公司 Yarn-tensioning device for textile use
WO2018041592A1 (en) * 2016-09-02 2018-03-08 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Method and device for changing the dynamic behaviour of a back rest of a weaving machine
CN109642363A (en) * 2016-09-02 2019-04-16 林道尔·多尼尔有限责任公司 Change the method and apparatus that loom leans on back beam dynamic behaviour

Also Published As

Publication number Publication date
JP2812901B2 (en) 1998-10-22
US5562128A (en) 1996-10-08
EP0694638B1 (en) 1999-09-15
DE59506836D1 (en) 1999-10-21
DE4427129C2 (en) 1998-07-30
JPH0849139A (en) 1996-02-20
DE4427129A1 (en) 1996-02-01

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