EP0674031B1 - Rotary leno selvedge mechanism for looms - Google Patents

Rotary leno selvedge mechanism for looms Download PDF

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Publication number
EP0674031B1
EP0674031B1 EP95101459A EP95101459A EP0674031B1 EP 0674031 B1 EP0674031 B1 EP 0674031B1 EP 95101459 A EP95101459 A EP 95101459A EP 95101459 A EP95101459 A EP 95101459A EP 0674031 B1 EP0674031 B1 EP 0674031B1
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EP
European Patent Office
Prior art keywords
rotary
edge
leno
drive
weaving
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.)
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EP95101459A
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German (de)
French (fr)
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EP0674031A1 (en
EP0674031B2 (en
Inventor
Horst Dipl-Ing. Häussler (FH)
Valentin Krumm
Hans-Joachim Holz
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Priority to EP97101629A priority Critical patent/EP0777004A2/en
Priority to DE29521436U priority patent/DE29521436U1/en
Publication of EP0674031A1 publication Critical patent/EP0674031A1/en
Publication of EP0674031B1 publication Critical patent/EP0674031B1/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00Leno or similar shedding mechanisms
    • D03C7/04Mechanisms having discs oscillating about a weftwise axis and having apertures for warp threads
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00Leno or similar shedding mechanisms
    • D03C7/08Devices for twisting warp threads repeatedly in the same direction

Definitions

  • the invention relates to a rotary edge turner for weaving machines, by means of which the wefts through a twist tie be tied at the fabric edges.
  • This arrangement consists of a rotationally driven rotary disc, the geometric center axis of which is parallel to the weft direction of the weaving machine and the rotary disc is driven at the same speed as the bobbin holder carrying the rotary bobbins.
  • the rotating disc has two slots for the leno threads arranged symmetrically to its central axis.
  • the drive of the edge turner arranged on both sides of the weaving machine next to the edge warp threads takes place in such a way that the rotary disc forming the actual edge rotator is connected to a drive wheel in a rotationally driven connection via a toothed belt.
  • the drive wheel is non-rotatably connected to and driven by a gear-driven countershaft.
  • the countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.
  • the countershaft is connected to a hollow shaft protruding in the direction of the weaving width adjustment, in which a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
  • a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
  • the rotating disc has external teeth. Furthermore, the rotating disc is rotatably mounted in a bezel-like manner. The leno threads are drawn off from a bobbin winder, which is rotationally driven and operatively connected to the rotating disc, and fed to a guide opening located centrally in the rotating disc.
  • the rotating disc also has two diametrically opposed loops arranged in the rotating disc, through which the thread is guided to the weaving point of the fabric.
  • the external toothing of the rotating disc is in engagement with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc.
  • the edge turner should Not separated from the weaving machine for the purpose of changing articles and the edge turner should easily be sent to different Web widths are customizable. This is said to be significant Saving of makeready times can be achieved in the weaving mills.
  • the rotary edge turner should also be a simple constructive Own structure and direct, i.e. without inclusion a transmission medium between the servomotor and the Rotary disc, be drivable.
  • the object is achieved by the features of claim 1.
  • the electromotive actuator it is now possible for the first time to control the sequence of movements of the individual edge twists independently of one another and independently of the weaving machine drive. It is conceivable, for example, that the setting of the weft threads can take place depending on the type of the weft thread and that the setting of the weft thread on the side of the weft thread insertion can be before the setting of the weft thread on the weft thread arrival side.
  • This edge turner can advantageously be positioned as close as possible to the weaving point of the fabric and between the frame and the healds of the first heald frames.
  • the number of usable heald frames in the direction of the warp beam, ie opposite to the weaving direction, is thus not limited.
  • edge turner Due to the compact design of the edge turner is in the case an article change or a web width adjustment rapid positioning of the edge turner to the changed ones Weaving machine conditions possible.
  • Another advantage of the invention is that additional, means causing the rotation of the rotating disc, e.g. a drive gear connected to the actuator and a Motor rotary drive on toothed belt that transmits the rotating disc, between the servomotor and the rotator disc.
  • additional, means causing the rotation of the rotating disc e.g. a drive gear connected to the actuator and a Motor rotary drive on toothed belt that transmits the rotating disc, between the servomotor and the rotator disc.
  • the rotary edge rotator 1 consists of a disk-like, electrically controllable servomotor 2 with a stator 3 and a rotor, which forms the rotating disk 4 with two passages 4a and 4b arranged symmetrically about the central axis 5 of the rotating disk 4.
  • the passages are preferably designed in the form of a circular arc.
  • a leno thread 6, 7 supplied by rotator bobbins, not shown, is passed through each passage 4a, 4b. Both leno threads 6, 7 form a front leno thread pocket 8 that is adequate for the shed (front pocket) by turning the rotating disc 4.
  • the leno threads 6, 7 are brought together in the binding point 9 of the fabric 10. In the binding point 9, the ends of the respective weft thread 11 are tied by at least half a turn of the rotating disc 4 in the direction of arrow 12 or in the direction of arrow 13 to form a fixed fabric edge.
  • stator 3 forms together with in its interior an annular support part 14 a circumferential U-shaped groove in which the rotary disc 4 is rotatably received.
  • the servomotor 2 is a motor of known operating principle, the stator 3 carrying the windings and the rotor or the rotator disk 4 receiving magnets 15 arranged distributed on the outer circumference.
  • the rotating disc 4 is preferably designed to save mass, namely as a ring.
  • the annular carrier part 14 forms a holder 16 which is connected to a hub 18 by means of connecting elements 17.
  • the hub 18 can also be connected in a rotationally fixed manner to a component 20 via a connecting element 19.
  • the component 20 is firmly connected to a component 21 that can be adjusted to the weaving width of the weaving machine.
  • the edge-turning device shown here is an edge-turning device arranged on the left-hand side of the weaving machine, another edge-turning device is arranged on the right-hand weaving machine side. Both rotary edge rotators are arranged in the area of the free space between the shaft frame, not shown here, and strands of the first heald frames, which are behind the reed not shown and are not shown.
  • an electrically controllable servomotor 2 as Direct drive for the rotary disc 4 of the rotary edge driver 1 allows the weaving machine manufacturer on a separate To waive the rotary drive for the leno bobbins because e.g. by programming a number of rotations of the servomotor 2 and thus by a fixed number of revolutions the rotating disc 4 in one direction and through the same number of turns in the opposite direction a loop around the feed from the rotating coils Leno threads 6.7 no longer in the area of the back pocket occurs.
  • a servomotor 2 as a drive for the rotating disk 4 also allows the direction of rotation of the rotating disk 4 weft 11 for weft 11 to be driven in an oscillating manner. In this case, too, a separate drive for the rotating coils is not necessary.
  • weft compaction In the manufacture of borders or so-called weft compaction is through programmed control of the servomotor 2 possible single bonds and misfires too realize. This means that the end of each weft 11th is tied by the leno threads 6,7 or take place Misfiring, i.e. a leno tie only becomes after two or three weft entries.

Description

Die Erfindung betrifft einen Rotations-Kantendreher für Webmaschinen, mittels welchem durch eine Dreherbindung die Schußfäden an den Gewebekanten abgebunden werden.The invention relates to a rotary edge turner for weaving machines, by means of which the wefts through a twist tie be tied at the fabric edges.

Bekannt ist aus der DE-OS 24 23 454 eine Anordnung zum Verfestigen einer Gewebekante durch eine Dreherbindung. Diese Anordnung gemäß dem Oberbegriff des Anspruchs 1 besteht aus einer drehangetriebenen Dreherscheibe, deren geometrische Mittenachse parallel zur Schußrichtung der Webmaschine liegt und wobei die Dreherscheibe mit gleicher Drehzahl wie der die Dreherspulen tragende Spulenhalter angetrieben ist.
Die Dreherscheibe weist zwei zu ihrer Mittenachse symmetrisch angeordnete Schlitze für die Dreherfäden auf.
From DE-OS 24 23 454 an arrangement for solidifying a fabric edge by a leno weave is known. This arrangement according to the preamble of claim 1 consists of a rotationally driven rotary disc, the geometric center axis of which is parallel to the weft direction of the weaving machine and the rotary disc is driven at the same speed as the bobbin holder carrying the rotary bobbins.
The rotating disc has two slots for the leno threads arranged symmetrically to its central axis.

Der Antrieb des an beiden Seiten der Webmaschine neben den Randkettfäden angeordneten Kantendrehers erfolgt derart, daß die den eigentlichen Kantendreher bildende Dreherscheibe über einen Zahnriemen mit einem Antriebsrad in drehangetriebener Verbindung steht.
Das Antriebsrad ist mit einer zahnradgetriebenen Vorgelegewelle drehfest verbunden und von dieser angetrieben. Die Vorgelegewelle wiederum ist durch einen Zahnriemen mit dem Hauptantrieb der Webmaschine drehangetrieben verbunden.
The drive of the edge turner arranged on both sides of the weaving machine next to the edge warp threads takes place in such a way that the rotary disc forming the actual edge rotator is connected to a drive wheel in a rotationally driven connection via a toothed belt.
The drive wheel is non-rotatably connected to and driven by a gear-driven countershaft. The countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.

Zur Anpassung der bekannten Anordnung an unterschiedliche Webbreiten ist die Vorgelegewelle mit einer in Richtung Webbreitenverstellung ragenden Hohlwelle verbunden, in welcher ein den Antrieb der zweiten Dreherscheibe und den Antrieb des zweiten Dreherspulenhalters bewerkstelligendes Wellenteil verschiebbar ist.
Ein derartiger Antrieb ist kostenaufwendig, nicht raumsparend, nicht unabhängig vom Hauptantrieb der Webmaschine und nicht individuell ansteuerbar.
To adapt the known arrangement to different weaving widths, the countershaft is connected to a hollow shaft protruding in the direction of the weaving width adjustment, in which a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
Such a drive is expensive, not space-saving, not independent of the main drive of the weaving machine and cannot be controlled individually.

Ferner ist aus der DE-OS 28 32 131 eine sogenannte Satellitendrehereinrichtung zur Bildung von Gewebekanten auf schützenlosen Webmaschinen bekannt. Die Dreherscheibe besitzt eine Außenverzahnung. Des weiteren ist die Dreherscheibe lünettartig drehend gelagert.
Von einem Spulendreher, der drehangetrieben mit der Dreherscheibe in Wirkverbindung steht, werden die Dreherfäden abgezogen und einer zentrisch in der Dreherscheibe gelegenen Führungsöffnung zugeführt.
Die Dreherscheibe besitzt ferner zwei einander diametral gegenüberliegend in der Dreherscheibe angeordnete Osen, durch welche der Faden hindurch zum Bindepunkt des Gewebes geführt ist.
Die Außenverzahnung der Dreherscheibe steht hier mit den Zähnen eines Antriebszahnrades in Eingriff, das den Dreherspulenhalter synchron mit der Dreherscheibe antreibt. Über die Art der Antriebsquelle der Drehereinrichtung ist aus dieser vorbekannten Schrift kein Hinweis zu entnehmen. Es kann aber davon ausgegangen werden, daß der Antrieb, wie allgemein bekannt, vom Hauptantrieb der Webmaschine abgeleitet ist.
Damit ist auch diese Antriebslösung kostenaufwendig, weil diese nicht ohne weiteres an unterschiedliche Webbreiten der Maschine anpaßbar ist.
Eine derartige Drehereinrichtung ist auch mit erheblichen Nachteilen für den Hersteller und den Betreiber der Webmaschine verbunden.
So ist ein relativ großer Platzbedarf rechts und links der Webkette zur Einordnung der Vorrichtung in die Webmaschine erforderlich.
Eine derartige Drehervorrichtung ist in der Regel im Bereich des Hinterfaches angeordnet. Dies aber bedeutet, daß damit die Anzahl der einsetzbaren Webschäfte eingeschränkt ist und die Länge der Dreherfäden, gemessen von der Drehervorrichtung bis zum Punkt der Abbindung des Schußfadens, relativ groß ist. Diese Länge verursacht ein sehr flach ausgebildetes Dreherfaden-Fach. Eine derart flache Fachausbildung gewährleistet aber nicht immer, daß jeder Schußfaden ordnungsgemäß in das Dreherfaden-Fach gelangt.
Also known from DE-OS 28 32 131 is a so-called satellite turning device for forming fabric edges on defenseless weaving machines. The rotating disc has external teeth. Furthermore, the rotating disc is rotatably mounted in a bezel-like manner.
The leno threads are drawn off from a bobbin winder, which is rotationally driven and operatively connected to the rotating disc, and fed to a guide opening located centrally in the rotating disc.
The rotating disc also has two diametrically opposed loops arranged in the rotating disc, through which the thread is guided to the weaving point of the fabric.
The external toothing of the rotating disc is in engagement with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc. No information can be found from this previously known document about the type of drive source of the turning device. However, it can be assumed that the drive, as is generally known, is derived from the main drive of the weaving machine.
This drive solution is therefore also expensive because it cannot be easily adapted to different weaving widths of the machine.
Such a lathe device is also associated with considerable disadvantages for the manufacturer and the operator of the weaving machine.
A relatively large amount of space is required on the right and left of the weaving chain to classify the device in the weaving machine.
Such a lathe device is usually arranged in the area of the rear compartment. However, this means that the number of usable heald frames is limited and the length of the leno threads, measured from the leno device to the point at which the weft thread is tied, is relatively large. This length creates a very flat leno thread compartment. Such a flat technical training does not always ensure that every weft thread gets properly into the leno thread compartment.

Vor diesem Hintergrund ist es daher Aufgabe der Erfindung, einen, unter Vermeidung der Nachteile des Standes der Technik, individuell ansteuerbaren und damit unabhängig vom Webmaschinenantrieb antreibbaren Rotations-Kantendreher zu schaffen, mit welchem zu beiden Seiten des Gewebes die einzelnen Schußfäden fest abgebunden werden können und eine qualitätsgerechte und dauerhafte Gewebekante herstellbar ist.Against this background, it is therefore an object of the invention one while avoiding the disadvantages of the prior art, individually controllable and therefore independent of the weaving machine drive to create drivable rotary edge rotators with which on each side of the fabric the individual Weft threads can be tied firmly and a quality-appropriate and permanent fabric edge can be produced.

Der Kantendreher soll, im Gegensatz zum Stand der Technik, zum Zwecke des Artikelswechsels nicht von der Webmaschine getrennt werden und der Kantendreher soll ohne weiteres an unterschiedliche Webbreiten anpaßbar sein. Damit soll eine erhebliche Einsparung an Rüstzeit in den Webereien erreicht werden.In contrast to the prior art, the edge turner should Not separated from the weaving machine for the purpose of changing articles and the edge turner should easily be sent to different Web widths are customizable. This is said to be significant Saving of makeready times can be achieved in the weaving mills.

Der Rotations-Kantendreher soll ferner einen einfachen konstruktiven Aufbau besitzen und direkt, d.h. ohne der Einbeziehung eines Übertragungsmittels zwischen dem Stellmotor und der Dreherscheibe, antreibbar sein. The rotary edge turner should also be a simple constructive Own structure and direct, i.e. without inclusion a transmission medium between the servomotor and the Rotary disc, be drivable.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruchs 1 gelöst.
Mit dem elektromotorischen Stellantrieb wird es nun erstmals möglich, den Bewegungsablauf der einzelnen Kantendreher unabhängig voneinander und unabhängig von den Webmaschinenantrieb zu steuern.
So ist es zum Beispiel denkbar, daß die Abbindung der Schußfäden in Abhängigkeit vom Typ des Schußfadens erfolgen kann und daß die Abbindung des Schußfadens auf der Seite des Schußfadeneintrags zeitlich vor der Abbindung des Schußfadens auf der Schußfadenankunftseite liegen kann.
According to the invention the object is achieved by the features of claim 1.
With the electromotive actuator it is now possible for the first time to control the sequence of movements of the individual edge twists independently of one another and independently of the weaving machine drive.
It is conceivable, for example, that the setting of the weft threads can take place depending on the type of the weft thread and that the setting of the weft thread on the side of the weft thread insertion can be before the setting of the weft thread on the weft thread arrival side.

Durch die individuelle Ansteuerung sind z. B. Bordüren und Schußverdichtungen mit unterschiedlichen Bindungen ohne zusätzlichen Vorrichtungsaufwand herstellbar.
So sind Einfachbindungen und Bindungsaussetzer allein durch entsprechende Ansteuerung des Stellantriebes des jeweiligen Rotations-Kantendrehers erreichbar.
Due to the individual control z. B. Borders and weft compression with different bindings can be produced without additional device effort.
Single bindings and binding misfires can only be achieved by appropriate control of the actuator of the respective rotary edge rotator.

Durch eine gesteuerte Drehrichtungsumkehr der Dreherscheibe, worunter letztlich auch eine oszillierende Drehrichtungsumkehr zu verstehen ist, kann auf den Antrieb des Dreherspulenhalters verzichtet werden, weil in jedem Falle die Verdrehungen oder Umschlingungen der Dreherfäden auf dem Wege zwischen den Dreherspulen und der Dreherscheibe, hervorgerufen durch eine bestimmte Anzahl von Rechtsdrehungen der Dreherscheibe, durch die gleiche Anzahl von Linksdrehungen der selben Dreherscheibe, wieder aufgehoben werden.Through a controlled reversal of the direction of rotation of the rotating disc, ultimately including an oscillating reversal of the direction of rotation can be understood, can be on the drive of the rotary coil holder to be dispensed with, because in any case the twists or Wrapping of the leno threads on the way between the leno bobbins and the rotating disc, caused by a certain number of right turns of the rotating disc, by the same number of left turns of the same rotating disc, be canceled again.

Mit dem stellmotorgetriebenen Rotations-Kantendreher ist es ferner ohne weiteres möglich, innerhalb der Webmaschinensteuerung einen Drehzahlabgleich zwischen der Fachbildeeinrichtung und der Drehzahl der Dreherscheibe des Rotations-Kantendrehers derart herbei zu führen, daß der Bewegungsablauf der Fachbildeorgane zur Ausbildung der Webfachgeometrie nahezu kongruent ist mit dem Bewegungsablauf des Rotations-Kantendrehers zur Ausbildung der Geometrie des Dreherfachs. It is with the servomotor-driven rotary edge driver also easily possible within the weaving machine control a speed comparison between the shedding device and the speed of rotation of the rotary edge rotator to bring about in such a way that the movement of the Specialist organs for the formation of the shed geometry almost is congruent with the sequence of movements of the rotary edge rotator to form the geometry of the lathe compartment.

Damit ist sichergestellt, daß die Schußfäden auch ordnungsgemäß das Dreherfach links- und rechtsseitig der Kettfäden passieren bzw. in dieses eingetragen werden.This ensures that the weft threads are also correct pass the leno pocket on the left and right side of the warp threads or be entered in this.

Vorteilhafterweise kann dieser Kantendreher in einen möglichst geringen Abstand zum Bindepunkt des Gewebes und zwischen den Schaftrahmen und den Weblitzen der ersten Webschäfte positioniert sein.
Damit ist die Anzahl einsetzbarer Webschäfte in Richtung Kettbaum, d.h. der Webrichtung entgegengesetzt, nicht begrenzt.
This edge turner can advantageously be positioned as close as possible to the weaving point of the fabric and between the frame and the healds of the first heald frames.
The number of usable heald frames in the direction of the warp beam, ie opposite to the weaving direction, is thus not limited.

Durch die kompakte Ausführung des Kantendrehers ist im Falle eines Artikelwechsels oder einer Webbreitenverstellung ein schnelles Postionieren des Kantendrehers an die geänderten Bedingungen der Webmaschine möglich.Due to the compact design of the edge turner is in the case an article change or a web width adjustment rapid positioning of the edge turner to the changed ones Weaving machine conditions possible.

Im Vergleich mit einem herkömmlichen Satellitendreher, der in Webrichtung gesehen vor den Webschäften angeordnet ist, wird mit der Anordnung des erfindungsgemäßen Rotations-Kantendrehers innerhalb der Webschäfte, die dem Webblatt am nächsten angeordnet sind, deutlich, daß der Hub der Dreherfäden bei Anwendung eines Rotations-Kantendrehers nur etwa 80 mm beträgt während die Dreherfäden bei einem Satellitendreher einen Hub von etwa 180 mm ausführen müssen, um eine ausreichende Fachöffnung zu erzielen.Compared to a conventional satellite driver that works in Weaving direction is arranged in front of the heald frames with the arrangement of the rotary edge driver according to the invention within the heald frames that are closest to the reed are clear that the stroke of the leno threads when used a rotary edge turner is only about 80 mm during the leno threads in a satellite lathe have a stroke of about 180 mm must be carried out in order to have a sufficient compartment opening achieve.

Ein weiterer Vorteil der Erfindung besteht darin, daß zusätzliche, den Antrieb der Dreherscheibe bewirkende Mittel, wie z.B. ein mit dem Stellmotor verbundenes Antriebszahnrad und ein den Motordrehantrieb auf die Dreherscheibe übertragenden Zahnriemen, zwischen dem Stellmotor und der Dreherscheibe entfallen.Another advantage of the invention is that additional, means causing the rotation of the rotating disc, e.g. a drive gear connected to the actuator and a Motor rotary drive on toothed belt that transmits the rotating disc, between the servomotor and the rotator disc.

Das Wesen der Erfindung ist nachstehend anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels näher erläutert. The essence of the invention is based on one in the Drawing schematically illustrated embodiment explained.

In der Zeichnung zeigen:

Fig. 1
den Rotations-Kantendreher in perspektivischer Darstellung,
Fig. 2
einen Längsschnitt durch den Drehantrieb des Kantendrehers nach Linie A-A gemäß Figur 1.
The drawing shows:
Fig. 1
the rotary edge turner in perspective,
Fig. 2
2 shows a longitudinal section through the rotary drive of the edge rotator along line AA according to FIG. 1.

Der Rotations-Kantendreher 1 besteht aus einem scheibenartig ausgebildeten elektrisch ansteuerbaren Stellmotor 2 mit einem Stator 3 und einem Rotor, der die Dreherscheibe 4 mit zwei symmetrisch um die Mittenachse 5 der Dreherscheibe 4 angeordneten Durchgängen 4a und 4b ausbildet. Die Durchgänge sind vorzugsweise kreisbogenförmig ausgebildet.
Durch jeden Durchgang 4a,4b ist ein von nicht dargestellten Dreherspulen gelieferter Dreherfaden 6,7 hindurchgeführt. Beide Dreherfäden 6,7 bilden durch Drehen der Dreherscheibe 4 ein dem Webfach (Vorderfach) adäquates vorderes Dreherfaden-Fach 8 aus.
Die Dreherfäden 6,7 sind in dem Bindepunkt 9 des Gewebes 10 zusammengeführt.
In dem Bindepunkt 9 werden die Enden des jeweiligen Schußfadens 11 durch wenigstens eine halbe Drehung der Dreherscheibe 4 in Richtung des Pfeiles 12 bzw. in Richtung des Pfeiles 13 zu einer festen Gewebekante abgebunden.
The rotary edge rotator 1 consists of a disk-like, electrically controllable servomotor 2 with a stator 3 and a rotor, which forms the rotating disk 4 with two passages 4a and 4b arranged symmetrically about the central axis 5 of the rotating disk 4. The passages are preferably designed in the form of a circular arc.
A leno thread 6, 7 supplied by rotator bobbins, not shown, is passed through each passage 4a, 4b. Both leno threads 6, 7 form a front leno thread pocket 8 that is adequate for the shed (front pocket) by turning the rotating disc 4.
The leno threads 6, 7 are brought together in the binding point 9 of the fabric 10.
In the binding point 9, the ends of the respective weft thread 11 are tied by at least half a turn of the rotating disc 4 in the direction of arrow 12 or in the direction of arrow 13 to form a fixed fabric edge.

In Figur 2 bildet der Stator 3 in seinem Inneren zusammen mit einem ringförmigen Trägerteil 14 eine umlaufende U-förmige Nut aus, in welcher die Dreherscheibe 4 drehend aufgenommen ist.In Figure 2, the stator 3 forms together with in its interior an annular support part 14 a circumferential U-shaped groove in which the rotary disc 4 is rotatably received.

Bei dem Stellmotor 2 handelt es sich um einen Motor bekannten Wirkprinzips, wobei der Stator 3 die Wicklungen trägt und der Rotor bzw. die Dreherscheibe 4 auf dem Außenumfang verteilt angeordnete Magnete 15 aufnimmt.
Die Dreherscheibe 4 ist hier vorzugsweise massesparend und zwar als Ring ausgebildet.
The servomotor 2 is a motor of known operating principle, the stator 3 carrying the windings and the rotor or the rotator disk 4 receiving magnets 15 arranged distributed on the outer circumference.
The rotating disc 4 is preferably designed to save mass, namely as a ring.

Das ringförmige Trägerteil 14 bildet einen Halter 16 aus, der mit Verbindungselementen 17 mit einer Nabe 18 verbunden ist. Die Nabe 18 ist ebenfalls über ein Verbindungselement 19 mit einem Bauteil 20 drehfest verbindbar.
Das Bauteil 20 ist mit einem auf die Webbreite der Webmaschine einstellbaren Bauteil 21 fest verbunden.
Während es sich bei dem hier dargestellten Kantendreher um einen linksseitig an der Webmaschine angeordneten Kantendreher handelt, ist ein weiterer Kantendreher an der rechten Webmaschinenseite angeordnet.
Beide Rotations-Kantendreher sind im Bereich des Freiraumes zwischen den hier nicht dargestellten Schaftrahmen und Litzen der ersten, hinter dem nicht dargestellten Webblatt liegenden und nicht gezeigten Webschäften eingeordnet.
The annular carrier part 14 forms a holder 16 which is connected to a hub 18 by means of connecting elements 17. The hub 18 can also be connected in a rotationally fixed manner to a component 20 via a connecting element 19.
The component 20 is firmly connected to a component 21 that can be adjusted to the weaving width of the weaving machine.
While the edge-turning device shown here is an edge-turning device arranged on the left-hand side of the weaving machine, another edge-turning device is arranged on the right-hand weaving machine side.
Both rotary edge rotators are arranged in the area of the free space between the shaft frame, not shown here, and strands of the first heald frames, which are behind the reed not shown and are not shown.

Die Verwendung eines elektrisch ansteuerbaren Stellmotors 2 als Direktantrieb für die Dreherscheibe 4 des Rotations-Kantendrehers 1 gestattet dem Webmaschinenhersteller auf einen gesonderten Drehantrieb für die Dreherfadenspulen zu verzichten, weil z.B. durch Programmieren einer Anzahl von Drehungen des Stellmotors 2 und damit durch eine festgelegte Anzahl von Umdrehungen der Dreherscheibe 4 in die eine Richtung und durch die gleiche Anzahl Umdrehungen in die entgegengesetzte Richtung ein Umschlingen der von den Dreherspulen zugeführten Dreherfäden 6,7 im Bereich des Hinterfaches nicht mehr auftritt.The use of an electrically controllable servomotor 2 as Direct drive for the rotary disc 4 of the rotary edge driver 1 allows the weaving machine manufacturer on a separate To waive the rotary drive for the leno bobbins because e.g. by programming a number of rotations of the servomotor 2 and thus by a fixed number of revolutions the rotating disc 4 in one direction and through the same number of turns in the opposite direction a loop around the feed from the rotating coils Leno threads 6.7 no longer in the area of the back pocket occurs.

Die Verwendung eines derartigen Stellmotors 2 als Antrieb für die Dreherscheibe 4 gestattet ferner, die Drehrichtung der Dreherscheibe 4 Schußfaden 11 für Schußfaden 11 oszillierend umkehrbar anzutreiben.
Auch in diesem Falle ist ein separater Antrieb für die Dreherspulen nicht erforderlich.
The use of such a servomotor 2 as a drive for the rotating disk 4 also allows the direction of rotation of the rotating disk 4 weft 11 for weft 11 to be driven in an oscillating manner.
In this case, too, a separate drive for the rotating coils is not necessary.

Bei der Herstellung von Bordüren oder bei sogenannten Schußverdichtungen ist durch ein programmiertes Ansteuern des Stellmotors 2 möglich, Einfachbindungen und Bindungsaussetzer zu realisieren. Dies bedeutet, daß das Ende jedes Schußfadens 11 durch die Dreherfäden 6,7 abgebunden wird oder es erfolgen Bindungsaussetzer, d.h. eine Dreherbindung wird erst nach zwei oder drei Schußfadeneinträgen herbeigeführt. In the manufacture of borders or so-called weft compaction is through programmed control of the servomotor 2 possible single bonds and misfires too realize. This means that the end of each weft 11th is tied by the leno threads 6,7 or take place Misfiring, i.e. a leno tie only becomes after two or three weft entries.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

11
Rotations-KantendreherRotary edge turner
22nd
StellmotorServomotor
33rd
Statorstator
44th
DreherscheibeRotary disc
4a4a
DurchgangContinuity
4b4b
DurchgangContinuity
55
MittenachseCenter axis
66
DreherfadenLeno thread
77
DreherfadenLeno thread
88th
Dreherfaden-FachLeno thread compartment
99
BindepunktTie point
1010th
Gewebetissue
1111
SchußfadenWeft
1212th
Pfeilarrow
1313
Pfeilarrow
1414
TrägerteilCarrier part
1515
Magnetmagnet
1616
Halterholder
1717th
VerbindungselementFastener
1818th
Nabehub
1919th
VerbindungselementFastener
2020th
BauteilComponent
2121
BauteilComponent

Claims (2)

  1. Rotary selvedge twister for looms, comprising a twisting disc (4) which has two openings (4a, 4b) arranged symmetrically about the centre line (5), a crossing thread (6, 7) supplied from a first and a second crossing thread bobbin being led through a respective opening, and further comprising a carrier part (14), which receives the twisting disc so that the latter is rotatable and which carrier part forms a holder (16) for connection of the rotary selvedge twister (1) with a component (20), characterised in that the twisting disc (4) forms the rotor of an electrically activatable positioning motor (2), the direction of rotation of which is controllably reversible, and the stator (3) of the positioning motor is connected to the carrier part (14).
  2. Loom having a rotary selvedge twister according to claim 1, characterised in that the holder (16) is connected to a component adjustable to the cloth width of the loom.
EP95101459A 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms Expired - Lifetime EP0674031B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97101629A EP0777004A2 (en) 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms
DE29521436U DE29521436U1 (en) 1994-02-23 1995-02-03 Rotary edge turner for weaving machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4405776 1994-02-23
DE4405776A DE4405776C1 (en) 1994-02-23 1994-02-23 Rotary edger of a weaving machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97101629A Division EP0777004A2 (en) 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms

Publications (3)

Publication Number Publication Date
EP0674031A1 EP0674031A1 (en) 1995-09-27
EP0674031B1 true EP0674031B1 (en) 1998-04-08
EP0674031B2 EP0674031B2 (en) 2004-04-21

Family

ID=6510967

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95101459A Expired - Lifetime EP0674031B2 (en) 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms
EP97101629A Withdrawn EP0777004A2 (en) 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97101629A Withdrawn EP0777004A2 (en) 1994-02-23 1995-02-03 Rotary leno selvedge mechanism for looms

Country Status (4)

Country Link
US (1) US5518039A (en)
EP (2) EP0674031B2 (en)
JP (1) JP2620534B2 (en)
DE (2) DE4405776C1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548955C1 (en) * 1995-12-28 1996-09-12 Kloecker Entwicklungs Gmbh Appts. to form a leno selvedge at shuttleless loom
US6227253B1 (en) * 1996-09-30 2001-05-08 Picanol N.V. Method and device for twisting at least two running for a loom selvage forming device
DE19646136C2 (en) * 1996-11-08 1999-05-06 Dornier Gmbh Lindauer Eyelet, in particular a rotating disc of a rotary edge rotator
DE19647495C1 (en) * 1996-11-16 1998-01-02 Kloecker Entwicklungs Gmbh Apparatus to form a leno selvedge
DE19654962A1 (en) * 1996-12-12 1998-06-18 Dornier Gmbh Lindauer Holding and positioning device for a leno selvedge device in weaving machines
DE19651610B4 (en) * 1996-12-12 2005-03-10 Dornier Gmbh Lindauer Apparatus for forming a leno selvedge for weaving machines
DE19720634C1 (en) * 1997-05-16 1998-10-01 Dornier Gmbh Lindauer Method for forming a fabric and catch strip in the manufacture of a fabric on weaving machines and device for carrying out the method
DE19733261C2 (en) * 1997-08-01 2001-07-19 Dornier Gmbh Lindauer Rotary edge turner with direct electromagnetic drive for weaving machines
DE19733262A1 (en) * 1997-08-01 1999-02-04 Dornier Gmbh Lindauer Rotary edge turner with direct electromagnetic drive for weaving machines
US6039086A (en) * 1997-10-02 2000-03-21 Lindauer Dornier Gesellschaft Mbh Separating weft thread waste of a single uncontaminated material from untwisted leno binding threads in trimmed catch selvages
DE19743872C1 (en) * 1997-10-04 1998-12-17 Kloecker Entwicklungs Gmbh Leno selvedge electromotor control
DE19813082C1 (en) * 1998-03-25 1999-06-17 Kloecker Entwicklungs Gmbh Rotary edge formation device with electric motor comprising rotor and stator
DE10021520A1 (en) * 2000-05-03 2001-11-15 Dornier Gmbh Lindauer Rotary drive for the reed support of a weaving machine
DE10133800C1 (en) * 2001-06-09 2003-02-06 Kloecker Entwicklungs Gmbh Geb Device for determining thread breaks in leno threads in weaving machines or looms, in particular with heald frames, and a device for determining thread breaks
DE10154941C2 (en) * 2001-11-08 2003-11-20 Dornier Gmbh Lindauer Drive arrangement for the reed of a weaving machine
DE10313188A1 (en) * 2003-03-25 2004-10-07 Lindauer Dornier Gmbh Rotary edge turning device of a weaving machine
DE10336006B4 (en) * 2003-08-01 2007-07-12 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Device on a weaving machine for forming leno edges
DE102005022955A1 (en) * 2005-05-19 2006-11-23 Lindauer Dornier Gmbh Method and device for holding a recorded after a starting operation of a loom, in particular air jet loom weft thread
DE202011103312U1 (en) * 2011-06-30 2011-11-08 Gebrüder Klöcker GmbH Device for forming a leno selvedge
DE202013010963U1 (en) 2013-12-05 2014-01-22 Gebrüder Klöcker GmbH Device for monitoring the breakage of leno threads of a textile machine, in particular a weaving machine
EP3162934B1 (en) 2015-10-28 2018-03-28 Gebrüder Klöcker GmbH Device for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device
EP3197029B1 (en) 2016-01-19 2019-05-29 Gebrüder Klöcker GmbH Device using an electric motor for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device
CN109402829A (en) * 2018-11-12 2019-03-01 山东日发纺织机械有限公司 Electric twisted edge mechanism
DE102020100857A1 (en) 2020-01-15 2021-07-15 Gebrüder Klöcker GmbH Textile fabric with warp and weft threads

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US2676618A (en) * 1950-08-05 1954-04-27 Pfarrwaller Erwin Mechanism for actuating thread twisting means in looms
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DE2832131A1 (en) * 1978-07-21 1980-01-31 Nissan Motor Shuttleless loom selvedge formation - by securing each pick between the turns of two intertwined binding threads
US4353396A (en) * 1978-12-11 1982-10-12 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Device for forming a selvedge in a loom
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JPH0369627A (en) * 1989-08-04 1991-03-26 Toyota Autom Loom Works Ltd Twist selvadge forming device in weaving machine

Also Published As

Publication number Publication date
US5518039A (en) 1996-05-21
JPH07252750A (en) 1995-10-03
DE59501809D1 (en) 1998-05-14
EP0777004A2 (en) 1997-06-04
JP2620534B2 (en) 1997-06-18
EP0777004A3 (en) 1997-06-25
EP0674031A1 (en) 1995-09-27
DE4405776C1 (en) 1995-08-17
EP0674031B2 (en) 2004-04-21

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