EP0534896B1 - Apparatus and method for limiting the balloon on a creel - Google Patents

Apparatus and method for limiting the balloon on a creel Download PDF

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Publication number
EP0534896B1
EP0534896B1 EP19920810624 EP92810624A EP0534896B1 EP 0534896 B1 EP0534896 B1 EP 0534896B1 EP 19920810624 EP19920810624 EP 19920810624 EP 92810624 A EP92810624 A EP 92810624A EP 0534896 B1 EP0534896 B1 EP 0534896B1
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EP
European Patent Office
Prior art keywords
bobbin
guide
separators
yarn
planes
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EP19920810624
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German (de)
French (fr)
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EP0534896A1 (en
Inventor
Manfred Bollen
Paul Holenstein
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Benninger AG Maschinenfabrik
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Benninger AG Maschinenfabrik
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00Guides for filamentary materials; Supports therefor
    • B65H57/22Guides for filamentary materials; Supports therefor adapted to prevent excessive ballooning of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a device and a method for balloon limitation on a creel according to the preamble of patent claims 1 and 15.
  • DE-A1-28 41 210 shows a balloon limiter with a resiliently deflectable limiter rod.
  • a device for breaking thread balloons is known, in which rods are provided with balloon interference elements.
  • a helical balloon limiting element is provided in the area between the end face of the bobbin and the thread brake.
  • closed balloon limiters in which the thread is surrounded, for example, by a spiral guide element, are relatively expensive to operate and produce.
  • magazine gates in which a passive or reserve coil is provided for each active coil, the beginning of which is linked to the end of the active coil in order to ensure continuous operation, such closed balloon limiters cannot be used.
  • the object of the invention is to provide a device and a method for balloon limitation, which avoid the disadvantages of the known and can be produced in a simple and reliable manner and can be adapted to a wide variety of forms of balloon formation.
  • the invention achieves a balloon limitation for a large number of coils in an optimally simple manner with two horizontally arranged separators.
  • the separators form guide planes for the thread or the balloon formed by the thread, by means of which a two-sided delimitation of the draw-off space in front of the bobbins is formed.
  • the draw-off space in front of the bobbins, in which balloon formation occurs, tapers from the front side of the bobbins in the thread running direction.
  • the guide plane of the separators on its thread inlet side facing the bobbin face has a distance from the fictitious extension of the bobbin axis that is greater than the maximum radius of the bobbin face. This reliably prevents the thread from rolling over in front of the separator and a balloon forming outside the separator.
  • the invention can be further optimized if the guide planes of the separators on their side facing away from the end face of the coil are at a distance from one another which is equal to or less than half the maximum diameter of the coil.
  • the thread friction in particular can be minimized if the guide plane is inclined at an angle of 40 ° to 50 °, preferably of approximately 45 °, to the longitudinal axis of the bobbin.
  • the management level is particularly easy to use thanks to a flat guide element, e.g. form a U-shaped flanged sheet metal element, the element being arranged at an angle to the coil axis.
  • Each management level can also be formed by two or more individual elements. In this way, e.g. arrange individual elements that can be moved into each other so that the width of the guide level can be adjusted and adapted to a specific thread.
  • the adaptability can be further improved if the inclination of the guide plane to the longitudinal axis of the coil is adjustable.
  • a particularly reliable guiding property of the guiding element results if the width of the guiding plane in the thread running direction is at least 48 mm. In practical use, there are particularly advantageous values with a width of at least 80 mm and at most 140 mm, preferably of about 100 mm. It can be advantageous here if the width of the guide plane can be adjusted in the direction of the end face of the coil and / or the side facing away from the end face of the coil.
  • a magazine gate 1 shown schematically in plan view, has a coil board 2.
  • the coil board 2 consists of an arrangement of coils 3, which are placed next to each other and one above the other in horizontal and vertical rows.
  • Active bobbins 3a, 3b, 3c and 3d are shown, from which the threads 4 are drawn off and guided in the associated thread tensioners 5a, 5b, 5c and 5d, deflected and fed to the winding machine (not shown).
  • a winding machine e.g. a warping machine or a warping machine etc. can be provided, to which the threads are fed as a thread assembly.
  • each of the active coils 3a, 3b, 3c and 3d is assigned a reserve coil 7a, 7b.
  • the end of the respectively active coil is linked by a connection 8a, 8b to the start of the assigned reserve coil 7a or 7b.
  • the thread 4 is automatically drawn off the reserve bobbin, so that the empty bobbin (represented by bobbin tube 9) can be replaced by a full bobbin, which then serves as a reserve bobbin.
  • the rotating arms 11 can be pivoted so that the empty bobbin tube 9 is removed and a new coil 3 can be plugged on.
  • the rotating arms 11 are mounted on vertical supports 12. They are blocked by means not shown in their operating position and in the plug-on position. They can be swiveled easily by the operating personnel without any effort.
  • an active spool 3a, 3b and the associated passive spool or reserve spool 7a, 7b are each aligned with their spool axis on a common thread tensioner 5a or 5b.
  • the thread 4 therefore runs alternately from one of the two bobbins through the common thread tensioner 5a or 5b.
  • a thread balloon which is indicated at 13, develops between the thread tensioner 5a, 5b, 5c, 5d and the associated bobbins 3.
  • the spacing of the bobbins 3 from one another in the horizontal direction is so great that the threads 4 or the balloons 13 in front of the individual thread tensioners 5 can neither touch one another nor get tangled with the respectively adjacent bobbin.
  • the vertical distance between the different coil rows 3 is relatively short.
  • horizontal separators 17a, 17b are therefore provided, which are held in vertical slots 16 in corresponding slots 18.
  • the U-profiles 16 are fastened together with the spool panel 2 and the brake panel 14, which carries the thread tensioner 5, on a creel frame 15.
  • the separators 17a and 17b are designed as elongated sheet metal strips which have U-shaped rounded portions 19 on both sides. These roundings or bevels 19 stiffen the sheet metal strips on the one hand in such a way that they can be kept free between U-profiles 16 even over greater distances, for example two or three meters. On the other hand, the roundings have the effect that the threads 4 cannot get caught and are not chafed.
  • the separators 17a, 17b therefore delimit a draw-off space 20 in front of each bobbin, through which the thread 4 is drawn off from the associated bobbin 3.
  • the separators 17a, 17b are arranged obliquely to the bobbin axis 3x or the fictitious extension of the bobbin axis in such a way that the draw-off space 20 tapers towards the thread tensioners 5 in the thread running direction.
  • the balloon 13 is thereby limited in such a way that on the one hand it ensures reliable alignment with the thread tensioner 5 and on the other hand it prevents the balloons of the rows of coils lying one above the other from being touched and tangled.
  • the separators 17a, 17b can be divided into sectors depending on the gate length. It is expedient for there to be a separation per gate field (a gate field can correspond to the length of one to three meters, for example).
  • the separators can also be used for other types of gates with horizontal coil rows and of course also for carriage gates. They are particularly advantageous for use with horizontally swiveling coil holders and for gates with reserve attachments according to the exemplary embodiment, in which access to the coil is guaranteed from the rear.
  • the separators Due to the lateral mounting in the slots 18 of the U-profiles 16, the separators can be easily installed and removed. It is also e.g. possible to use different separators to e.g. to accommodate wider or narrower separators in adaptation to coils of different diameters. It is also conceivable to change the angular inclination of the separators to the coil axis 3x by exchanging the U-profiles or by using special separators.
  • Figure 3 shows an embodiment in which two schematically illustrated separators 17a, 17b at an angle ⁇ are inclined 3x to the coil axis 3x (in the exemplary embodiment according to FIGS. 1 and 2, the angle ⁇ is approximately 45 °).
  • the distance a between the separators 17a, 17b on their side facing away from the coil 3 is slightly smaller than half the maximum diameter d of the coil 3.
  • the distance b between the separators 17a, 17b in the region of the end face of the coil 3 is somewhat larger than that Maximum diameter d. This ensures that the balloon formation by the separators 17a, 17b is reliably controlled during the entire winding process from the largest to the smallest diameter d.
  • FIG. 4 shows schematically how both the inclination and the relative position of the separator 17a with respect to the end face of the coil 3 can be changed by means of a pivotable arrangement of a separator 17a in positions I, II and III (by holding means not shown).
  • the second separator 17b can either also be designed to be pivotable or be arranged in a fixed manner if, for example, the extraction space 20 should only be variable on one side (by separator 17a).
  • FIG. 5 shows an embodiment in which the separator 17a consists of two individual elements 21, 22.
  • the element 22 can be inserted into the element 21. If the width c of the separator 17a is now to be changed in order to adapt the separator to a specific thread, the element 22 can simply be pulled out of the element 21 and thus moved from position I to position II. This increases the width and the trigger space 20 is correspondingly more limited.
  • the angle ⁇ is approximately 60 °.
  • the width c of the separator 17a can be changed between 80 mm and 120 mm by pulling out.
  • the two elements 21, 22 can be fixed in their relative positions to one another by any clamping or holding devices, so that the set and desired width of the separator is reliably maintained.
  • a swiveling device can of course also be provided, so that the angle ⁇ can also be adjusted analogously to the embodiment according to FIG. 4.
  • Corresponding holding devices on the U-profiles 16 can easily be realized by skilled persons using manual means.
  • the second separator 17b is also not shown in the exemplary embodiment according to FIG. 5 for the sake of simplicity.
  • the separator 17a consisting of the two individual elements 21, 22 can also be produced from several individual elements.
  • the separator 17a consists of three individual elements 21, 22 and 23.
  • the elements 21 to 23 are hollow profiles which engage with one another with a tongue and groove connection in such a way that they form a guide plane for the thread 4 or the balloon 13 drawn off.
  • the width of this management level can be adapted to the requirements by adding or leaving out individual elements.
  • the guide plane can be designed to be curved by arranging the individual elements 21, 22, 23 in a correspondingly angled manner, as is indicated in FIG. 6.

Landscapes

  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Description

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Ballonbegrenzung an einem Spulengatter gemäss Oberbegriff von Patentanspruch 1 und 15.The invention relates to a device and a method for balloon limitation on a creel according to the preamble of patent claims 1 and 15.

Verfahren und Vorrichtungen zum Begrenzen oder Teilen des Fadenballons an einem Spulengatter sind in Vielzahl bekannt und gebräuchlich.A large number of methods and devices for limiting or dividing the thread balloon on a creel are known and customary.

Um an einem Spulengatter das Zusammentreffen der Fäden benachbarter Fadenspulen zu verhindern, wurde bereits in der DE-C-506 027 vorgeschlagen, die Grösse des beim Abziehen der Fäden entstehenden Fadenballons durch zwischen den Spulenreihen angeordnete, waagrechte oder lotrechte Trennwände zu begrenzen. Der Ballonaufbau wurde durch diese Anordnung jedoch nicht gebrochen, mit den Trennwänden wurde lediglich die zur Verhinderung von Fadenkollisionen notwendige Begrenzung des maximalen Ballondurchmessers angestrebt.In order to prevent the threads of adjacent thread spools from coming together on a creel, it was already proposed in DE-C-506 027 to limit the size of the thread balloons formed when the threads were pulled off by means of horizontal or vertical dividing walls arranged between the rows of spools. The balloon structure was not broken by this arrangement, however, with the partition walls the aim was only to limit the maximum balloon diameter, which was necessary to prevent thread collisions.

Die DE-A1-28 41 210 zeigt einen Ballonbegrenzer mit einer federnd auslenkbaren Begrenzer-Stange.DE-A1-28 41 210 shows a balloon limiter with a resiliently deflectable limiter rod.

Aus der CH-PS-631 942 ist eine Vorrichtung zum Brechen von Fadenballons bekannt, bei der Stangen mit Ballonstörelementen versehen sind. Aus der CH-PS-593 200 ist im Bereich zwischen der Stirnseite der Spule und der Fadenbremse ein schraubenförmiges Ballonbegrenzungselement vorgesehen.From CH-PS-631 942 a device for breaking thread balloons is known, in which rods are provided with balloon interference elements. From CH-PS-593 200, a helical balloon limiting element is provided in the area between the end face of the bobbin and the thread brake.

Es hat sich in der Praxis gezeigt, dass geschlossene Ballonbegrenzer, bei denen der Faden z.B. von einem spiralförmigen Führungselement umgeben wird, in der Bedienung und Herstellung relativ aufwendig sind. Vor allem bei Magazingattern, bei denen zu jeder aktiven Spule eine Passiv- oder Reserve-Spule vorgesehen ist, deren Anfang mit dem Ende der aktiven Spule verknüpft wird, um kontinuierlichen Betriebsablauf zu gewährleisten, können derartige geschlossene Ballonbegrenzer nicht eingesetzt werden.It has been shown in practice that closed balloon limiters, in which the thread is surrounded, for example, by a spiral guide element, are relatively expensive to operate and produce. Especially with magazine gates, in which a passive or reserve coil is provided for each active coil, the beginning of which is linked to the end of the active coil in order to ensure continuous operation, such closed balloon limiters cannot be used.

Bei Ballonbegrenzern mit Stangen dagegen wird der Ballonaufbau häufig nur ungenügend gebrochen oder es treten im Betriebsablauf Schwankungen der Ballongrösse auf, die zu einem Verheddern der Fäden und einer Betriebsstörung führen.In the case of balloon limiters with rods, on the other hand, the balloon structure is often broken only insufficiently or fluctuations in the balloon size occur in the course of operation, which lead to tangling of the threads and an operational malfunction.

Aufgabe der Erfindung ist es, eine Vorrichtung und ein Verfahren zur Ballonbegrenzung zu schaffen, welche die Nachteile des Bekannten vermeiden und auf einfache und zuverlässige Weise herstellbar und an verschiedenste Formen von Ballonbildung anpassbar sind.The object of the invention is to provide a device and a method for balloon limitation, which avoid the disadvantages of the known and can be produced in a simple and reliable manner and can be adapted to a wide variety of forms of balloon formation.

Erfindungsgemäss wird diese Aufgabe gemäss kennzeichen der Patentansprüche 1 und 15 gelöst.According to the invention, this object is achieved according to the characterizing part of patent claims 1 and 15.

Die Erfindung erreicht auf optimal einfache Weise mit zwei horizontal angeordneten Separatoren eine Ballonbegrenzung für eine Vielzahl von Spulen. Die Separatoren bilden dabei Führungsebenen für den Faden bzw. den durch den Faden gebildeten Ballon, durch die eine zweiseitige Begrenzung des Abzugsraums vor den Spulen gebildet wird. Der Abzugsraum vor den Spulen, in welchem Ballonbildung auftritt, verjüngt sich dabei von der Stirnseite der Spulen her gesehen in Fadenlaufrichtung. Durch diese zweiseitige Begrenzung mittels Führungsebenen oder Flächen ergibt sich überraschenderweise eine wesentlich bessere Begrenzung des Ballons, als durch die seit vielen Jahren bekannten Begrenzungsstangen.The invention achieves a balloon limitation for a large number of coils in an optimally simple manner with two horizontally arranged separators. The separators form guide planes for the thread or the balloon formed by the thread, by means of which a two-sided delimitation of the draw-off space in front of the bobbins is formed. The draw-off space in front of the bobbins, in which balloon formation occurs, tapers from the front side of the bobbins in the thread running direction. This two-sided delimitation by means of guide planes or surfaces surprisingly results in a much better delimitation of the balloon than by the delimitation rods known for many years.

Besonders vorteilhaft ist es dabei, wenn die Führungsebene der Separatoren auf ihrer der Spulenstirnseite zugewandten Faden-Einlauf-Seite einen Abstand zur fiktiven Verlängerung der Spulenachse aufweist, der grösser ist, als der Maximal-Radius der Spulen-Stirnseite. Damit wird zuverlässig vermieden, dass der Faden vor dem Separator überschlägt und sich ein Ballon ausserhalb des Separators bildet.It is particularly advantageous if the guide plane of the separators on its thread inlet side facing the bobbin face has a distance from the fictitious extension of the bobbin axis that is greater than the maximum radius of the bobbin face. This reliably prevents the thread from rolling over in front of the separator and a balloon forming outside the separator.

Die Erfindung lässt sich weiter optimieren, wenn die Führungsebenen der Separatoren auf ihrer der Spulen-Stirnseite abgewandten Seite einen Abstand voneinander aufweisen, der gleich oder kleiner ist als der halbe Maximal-Durchmesser der Spule.The invention can be further optimized if the guide planes of the separators on their side facing away from the end face of the coil are at a distance from one another which is equal to or less than half the maximum diameter of the coil.

Wenn der genannte Abstand zwischen den Separatoren auf ihrer Auslaufseite kleiner ist als der halbe Maximal-Durchmesser und grösser als ein Viertel des Maximal-Durchmessers der Spule, lassen sich häufig besonders optimale Ergebnisse erzielen.If the stated distance between the separators on their outlet side is smaller than half the maximum diameter and larger than a quarter of the maximum diameter of the coil, particularly optimal results can often be achieved.

Besonders guter Fadenlauf bei guter Ballonbegrenzung ergibt sich, wenn die Führungsebene bzw. die Führungsebenen unter einem Winkel von 30° bis 60° zur Spulenachse in Fadenlaufrichtung geneigt sind.Particularly good thread running with good balloon limitation results if the guide plane or the guide planes are inclined at an angle of 30 ° to 60 ° to the bobbin axis in the thread running direction.

Vor allem die Faden-Friktion lässt sich minimieren, wenn die Führungsebene unter einem Winkel von 40° bis 50°, vorzugsweise von etwa 45° zur Spulen-Längsachse geneigt ist. Die Führungsebene lässt sich besonders einfach durch ein flächiges Führungselement, z.B. ein U-förmig umgebördeltes Blech-Element bilden, wobei das Element unter einem Winkel zur Spulenachse angeordnet wird. Jede Führungsebene lässt sich dabei auch durch zwei oder mehrere Einzel-Elemente bilden. Auf diese Weise lassen sich z.B. ineinander verschiebbare Einzel-Elemente so anordnen, dass die Breite der Führungsebene verstellbar und an einen bestimmten Faden anpassbar ist.The thread friction in particular can be minimized if the guide plane is inclined at an angle of 40 ° to 50 °, preferably of approximately 45 °, to the longitudinal axis of the bobbin. The management level is particularly easy to use thanks to a flat guide element, e.g. form a U-shaped flanged sheet metal element, the element being arranged at an angle to the coil axis. Each management level can also be formed by two or more individual elements. In this way, e.g. arrange individual elements that can be moved into each other so that the width of the guide level can be adjusted and adapted to a specific thread.

Die Anpassbarkeit lässt sich dabei weiter verbessern, wenn die Neigung der Führungsebene zur Spulen-Längsachse verstellbar ist. Eine besonders zuverlässige Führungseigenschaft des Führungselements ergibt sich, wenn die Breite der Führungsebene in Fadenlaufrichtung wenigstens 48 mm beträgt. In der praktischen Anwendung ergeben sich besonders vorteilhafte Werte bei einer Breite von wenigstens 80 mm und höchstens 140 mm, vorzugsweise von etwa 100 mm. Dabei kann es vorteilhaft sein, wenn die Breite der Führungsebene in Richtung auf die Spulen-Stirnseite und/oder die der Spulen-Stirnseite abgewandte Seite zu verstellbar ist.The adaptability can be further improved if the inclination of the guide plane to the longitudinal axis of the coil is adjustable. A particularly reliable guiding property of the guiding element results if the width of the guiding plane in the thread running direction is at least 48 mm. In practical use, there are particularly advantageous values with a width of at least 80 mm and at most 140 mm, preferably of about 100 mm. It can be advantageous here if the width of the guide plane can be adjusted in the direction of the end face of the coil and / or the side facing away from the end face of the coil.

Die Erfindung ist im folgenden in Ausführungsbeispielen und anhand der Zeichnungen näher erläutert. Es zeigen:

Figur 1
die schematische Darstellung eines Magazingatters mit einer Ballonbegrenzungs-Vorrichtung mit den Merkmalen der Erfindung in Draufsicht,
Figur 2
das Magazingatter gemäss Figur 1 im Schnitt längs der Linie A in Figur 1,
Figuren 3 bis 6
verschiedene Ausführungsformen von Separatoren mit den Merkmalen der Erfindung.
The invention is in the following in examples and explained in more detail with reference to the drawings. Show it:
Figure 1
the schematic representation of a magazine gate with a balloon limiting device with the features of the invention in plan view,
Figure 2
1 in section along the line A in FIG. 1,
Figures 3 to 6
different embodiments of separators with the features of the invention.

Gemäss Figur 1 und 2 weist ein in der Draufsicht schematisch dargestelltes Magazingatter 1 eine Spulentafel 2 auf. Die Spulentafel 2 besteht aus einer Anordnung von Spulen 3, die in horizontalen und vertikalen Reihen nebeneinander und übereinander aufgesteckt sind. Dabei sind aktive Spulen 3a, 3b, 3c und 3d dargestellt, von welchen die Fäden 4 abgezogen und in den zugeordneten Fadenspannern 5a, 5b, 5c und 5d geführt, umgelenkt und der nicht dargestellten Wickelmaschine zugeführt werden. Als Wickelmaschine kann z.B. eine Schärmaschine oder eine Zettelmaschine etc. vorgesehen sein, der die Fäden als Fadenverband zugeführt werden.According to FIGS. 1 and 2, a magazine gate 1, shown schematically in plan view, has a coil board 2. The coil board 2 consists of an arrangement of coils 3, which are placed next to each other and one above the other in horizontal and vertical rows. Active bobbins 3a, 3b, 3c and 3d are shown, from which the threads 4 are drawn off and guided in the associated thread tensioners 5a, 5b, 5c and 5d, deflected and fed to the winding machine (not shown). As a winding machine e.g. a warping machine or a warping machine etc. can be provided, to which the threads are fed as a thread assembly.

Wie in Figur 1 und Figur 2 dargestellt, ist jeder der aktiven Spulen 3a, 3b, 3c und 3d eine Reservespule 7a, 7b zugeordnet. Das Ende der jeweils aktiven Spule ist durch eine Verbindung 8a, 8b mit dem Anfang der zugeordneten Reservespule 7a bzw. 7b verknüpft. Sobald die aktive Spule abgewickelt ist, wird dadurch der Faden 4 automatisch von der Reservespule abgezogen, so dass die leere Spule (dargestellt durch Spulenhülse 9) durch eine volle Spule ersetzt werden kann, die dann als Reservespule dient.As shown in Figure 1 and Figure 2, each of the active coils 3a, 3b, 3c and 3d is assigned a reserve coil 7a, 7b. The end of the respectively active coil is linked by a connection 8a, 8b to the start of the assigned reserve coil 7a or 7b. As soon as the active bobbin is unwound, the thread 4 is automatically drawn off the reserve bobbin, so that the empty bobbin (represented by bobbin tube 9) can be replaced by a full bobbin, which then serves as a reserve bobbin.

Zum Auswechseln der Spulen 3 können die Dreharme 11 verschwenkt werden, so dass die leere Spulenhülse 9 abgenommen und eine neue Spule 3 aufgesteckt werden kann. Die Dreharme 11 sind dazu auf senkrechten Stützen 12 gelagert. Sie werden durch nicht dargestellte Mittel in ihrer Betriebsstellung und in der Aufsteckstellung blockiert. Sie sind ohne Kraftanstrengung durch das Bedienungspersonal leicht verschwenkbar. Wie in der Zeichnung dargestellt, sind jeweils eine aktive Spule 3a, 3b und die zugehörige passive Spule oder Reservespule 7a, 7b mit ihrer Spulenachse auf einen gemeinsamen Fadenspanner 5a bzw. 5b ausgerichtet. Der Faden 4 läuft also abwechselnd von einer der beiden Spulen durch den gemeinsamen Fadenspanner 5a oder 5b. Zwischen dem Fadenspanner 5a, 5b, 5c, 5d und den zugeordneten Spulen 3 entwickelt sich im Betrieb ein Faden-Ballon, der bei 13 angedeutet ist. Der Abstand der Spulen 3 voneinander in horizontaler Richtung ist so gross, dass sich die Fäden 4 bzw. die Ballone 13 vor den einzelnen Fadenspannern 5 weder gegenseitig berühren können noch sich mit der jeweils benachbarten Spule verheddern können. Wie jedoch aus Figur 2 ersichtlich ist, ist der vertikale Abstand der verschiedenen Spulenreihen 3 relativ knapp bemessen. Um die Ballonbildung zu kontrollieren sind deshalb horizontale Separatoren 17a, 17b vorgesehen, die in vertikalen U-Profilen 16 in entsprechenden Schlitzen 18 gehalten werden. Die U-Profile 16 sind zusammen mit der Spulentafel 2 und der Bremstafel 14, welche die Fadenspanner 5 trägt, auf einem Spulengattergestell 15 befestigt.To replace the bobbins 3, the rotating arms 11 can be pivoted so that the empty bobbin tube 9 is removed and a new coil 3 can be plugged on. For this purpose, the rotating arms 11 are mounted on vertical supports 12. They are blocked by means not shown in their operating position and in the plug-on position. They can be swiveled easily by the operating personnel without any effort. As shown in the drawing, an active spool 3a, 3b and the associated passive spool or reserve spool 7a, 7b are each aligned with their spool axis on a common thread tensioner 5a or 5b. The thread 4 therefore runs alternately from one of the two bobbins through the common thread tensioner 5a or 5b. During operation, a thread balloon, which is indicated at 13, develops between the thread tensioner 5a, 5b, 5c, 5d and the associated bobbins 3. The spacing of the bobbins 3 from one another in the horizontal direction is so great that the threads 4 or the balloons 13 in front of the individual thread tensioners 5 can neither touch one another nor get tangled with the respectively adjacent bobbin. However, as can be seen from FIG. 2, the vertical distance between the different coil rows 3 is relatively short. In order to control the balloon formation, horizontal separators 17a, 17b are therefore provided, which are held in vertical slots 16 in corresponding slots 18. The U-profiles 16 are fastened together with the spool panel 2 and the brake panel 14, which carries the thread tensioner 5, on a creel frame 15.

Wie sich aus der Schnittdarstellung in Figur 2 ergibt, sind die Separatoren 17a und 17b als längliche Blechstreifen ausgebildet, die beidseitig U-förmige Abrundungen 19 aufweisen. Diese Abrundungen oder Abkantungen 19 versteifen die Blechstreifen einerseits derart, dass sie auch über grössere Abstände, z.B. zwei oder drei Meter frei zwischen U-Profilen 16 gehalten werden können. Andererseits bewirken die Abrundungen, dass sich die Fäden 4 nicht verfangen können und nicht angescheuert werden.As can be seen from the sectional illustration in FIG. 2, the separators 17a and 17b are designed as elongated sheet metal strips which have U-shaped rounded portions 19 on both sides. These roundings or bevels 19 stiffen the sheet metal strips on the one hand in such a way that they can be kept free between U-profiles 16 even over greater distances, for example two or three meters. On the other hand, the roundings have the effect that the threads 4 cannot get caught and are not chafed.

Zu jeder der Reihen von Spulen 3 sind ersichtlicherweise zwei Separatoren 17a, 17b vorgesehen. Die Separatoren 17a, 17b begrenzen deshalb jeweils vor jeder Spule einen Abzugsraum 20, durch den der Faden 4 von der zugehörigen Spule 3 abgezogen wird. Die Separatoren 17a, 17b sind dabei schräg zur Spulenachse 3x bzw. der fiktiven Verlängerung der Spulenachse so angeordnet, dass sich der Abzugsraum 20 in Fadenlaufrichtung zu den Fadenspannern 5 hin verjüngt. Der Ballon 13 wird dadurch in einer Weise begrenzt, die zuverlässige Hinrichtung zum Fadenspanner 5 einerseits gewährleistet und andererseits ein Berühren und Verwickeln von Ballonen der übereinander liegenden Reihen von Spulen verhindert. Die Separatoren 17a, 17b können je nach Gatterlänge in Sektoren aufgeteilt werden. Zweckmässigerweise findet eine Trennung pro Gatterfeld statt (ein Gatterfeld kann z.B. der Länge von ein bis drei Metern entsprechen).It is evident that two separators 17a, 17b are provided for each of the rows of coils 3. The separators 17a, 17b therefore delimit a draw-off space 20 in front of each bobbin, through which the thread 4 is drawn off from the associated bobbin 3. The separators 17a, 17b are arranged obliquely to the bobbin axis 3x or the fictitious extension of the bobbin axis in such a way that the draw-off space 20 tapers towards the thread tensioners 5 in the thread running direction. The balloon 13 is thereby limited in such a way that on the one hand it ensures reliable alignment with the thread tensioner 5 and on the other hand it prevents the balloons of the rows of coils lying one above the other from being touched and tangled. The separators 17a, 17b can be divided into sectors depending on the gate length. It is expedient for there to be a separation per gate field (a gate field can correspond to the length of one to three meters, for example).

Die Separatoren lassen sich auch bei anderen Gattertypen mit horizontalen Spulenreihen und selbstverständlich auch bei Wagengattern anwenden. Besonders vorteilhaft eignen sie sich für den Einsatz mit horizontal ausschwenkbaren Spulenhalterungen und für Gatter mit Reserveaufsteckvorrichtungen gemäss Ausführungsbeispiel, bei denen der Zugriff zur Spule von hinten gewährleistet ist.The separators can also be used for other types of gates with horizontal coil rows and of course also for carriage gates. They are particularly advantageous for use with horizontally swiveling coil holders and for gates with reserve attachments according to the exemplary embodiment, in which access to the coil is guaranteed from the rear.

Durch die seitliche Lagerung in den Schlitzen 18 der U-Profile 16 lassen sich die Separatoren einfach ein- und ausbauen. Auch ist es z.B. möglich, verschiedene Separatoren einzusetzen, um z.B. in Anpassung an Spulen unterschiedlichen Durchmessers breitere oder schmälere Separatoren vorzusehen. Auch ist es denkbar, durch Austausch der U-Profile oder durch Einsatz spezieller Separatoren die Winkelneigung der Separatoren zur Spulenachse 3x zu verändern.Due to the lateral mounting in the slots 18 of the U-profiles 16, the separators can be easily installed and removed. It is also e.g. possible to use different separators to e.g. to accommodate wider or narrower separators in adaptation to coils of different diameters. It is also conceivable to change the angular inclination of the separators to the coil axis 3x by exchanging the U-profiles or by using special separators.

Figur 3 zeigt ein Ausführungsbeispiel, bei welchem zwei schematisch dargestellte Separatoren 17a, 17b unter einem Winkel α von ca. 30° zur Spulenachse 3x geneigt sind (beim Ausführungsbeispiel gemäss Figur 1 und 2 beträgt der Winkel α etwa 45°). Der Abstand a der Separatoren 17a, 17b an ihrer der Spule 3 abgewandten Seite ist etwas kleiner als der halbe Maximal-Durchmesser d der Spule 3. Dagegen ist der Abstand b der Separatoren 17a, 17b im Bereich der Stirnseite der Spule 3 etwas grösser als der Maximal-Durchmesser d. Dadurch wird sichergestellt, dass die Ballonbildung durch die Separatoren 17a, 17b zuverlässig während des gesamten Wickelvorgangs vom grössten bis zum kleinsten Durchmesser d kontrolliert wird.Figure 3 shows an embodiment in which two schematically illustrated separators 17a, 17b at an angle α are inclined 3x to the coil axis 3x (in the exemplary embodiment according to FIGS. 1 and 2, the angle α is approximately 45 °). The distance a between the separators 17a, 17b on their side facing away from the coil 3 is slightly smaller than half the maximum diameter d of the coil 3. In contrast, the distance b between the separators 17a, 17b in the region of the end face of the coil 3 is somewhat larger than that Maximum diameter d. This ensures that the balloon formation by the separators 17a, 17b is reliably controlled during the entire winding process from the largest to the smallest diameter d.

Figur 4 zeigt schematisch, wie sich durch eine (durch nicht dargestellte Haltemittel) verschwenkbare Anordnung eines Separators 17a in Positionen I, II und III sowohl die Neigung als auch die Relativlage des Separators 17a in bezug auf die Stirnseite der Spule 3 verändern lässt. Auf diese Weise kann der Separator 17a und der dadurch begrenzte Abzugsraum 20 an die jeweilige Ballonbildung bzw. das verwendete Fadenmaterial angepasst werden. Der zweite Separator 17b kann entweder ebenfalls verschwenkbar ausgebildet oder fest angeordnet sein, wenn z.B. der Abzugsraum 20 nur einseitig variabel (durch Separator 17a) ausgebildet sein soll.FIG. 4 shows schematically how both the inclination and the relative position of the separator 17a with respect to the end face of the coil 3 can be changed by means of a pivotable arrangement of a separator 17a in positions I, II and III (by holding means not shown). In this way, the separator 17a and the withdrawal space 20 delimited thereby can be adapted to the respective balloon formation or the thread material used. The second separator 17b can either also be designed to be pivotable or be arranged in a fixed manner if, for example, the extraction space 20 should only be variable on one side (by separator 17a).

Figur 5 zeigt ein Ausführungsbeispiel, bei welchem der Separator 17a aus zwei Einzel-Elementen 21, 22 besteht. Das Element 22 ist dabei in das Element 21 einschiebbar. Wenn nun die Breite c des Separators 17a verändert werden soll, um den Separator an einen bestimmten Faden anzupassen, kann einfach das Element 22 aus dem Element 21 herausgezogen und damit aus der Position I in die Position II verbracht werden. Dadurch erhöht sich die Breite und der Abzugraum 20 wird entsprechend stärker begrenzt. Der Winkel α beträgt beim Ausführungsbeispiel gemäss Figur 5 etwa 60°. Die Breite c des Separators 17a ist zwischen 80 mm und 120 mm durch Ausziehen veränderbar.FIG. 5 shows an embodiment in which the separator 17a consists of two individual elements 21, 22. The element 22 can be inserted into the element 21. If the width c of the separator 17a is now to be changed in order to adapt the separator to a specific thread, the element 22 can simply be pulled out of the element 21 and thus moved from position I to position II. This increases the width and the trigger space 20 is correspondingly more limited. In the exemplary embodiment according to FIG. 5, the angle α is approximately 60 °. The width c of the separator 17a can be changed between 80 mm and 120 mm by pulling out.

Ersichtlicherweise können die beiden Elemente 21, 22 durch beliebige klemm- oder Haltevorrichtungen in ihrer jeweiligen Relativlage zueinander fixiert werden, so dass die eingestellte und gewünschte Breite des Separators zuverlässig eingehalten wird.As can be seen, the two elements 21, 22 can be fixed in their relative positions to one another by any clamping or holding devices, so that the set and desired width of the separator is reliably maintained.

Beim Ausführungsbeispiel gemäss Figur 5 lässt sich selbstverständlich auch noch eine Schwenkvorrichtung vorsehen, so dass sich auch der Winkel α analog dem Ausführungsbeispiel gemäss Figur 4 verstellen lässt. Entsprechende Haltevorrichtungen an den U-Profilen 16 können vom Fachmann ohne weiteres mit handwerklichen Mitteln realisiert werden.In the embodiment according to FIG. 5, a swiveling device can of course also be provided, so that the angle α can also be adjusted analogously to the embodiment according to FIG. 4. Corresponding holding devices on the U-profiles 16 can easily be realized by skilled persons using manual means.

Auch beim Ausführungsbeispiel gemäss Figur 5 ist der zweite Separator 17b der Einfachheit halber nicht dargestellt. Selbstverständlich lässt sich der aus den beiden Einzel-Elementen 21, 22 bestehende Separator 17a auch aus mehreren Einzel-Elementen herstellen. Dazu können z.B. auch lamellenartig übereinander schiebbare Einzel-Elemente vorgesehen werden oder es können in einer Anordnung Einzel-Elemente hinzugefügt oder weggenommen werden, je nachdem welche Anforderungen an die Breite des Separators 17a gestellt werden.The second separator 17b is also not shown in the exemplary embodiment according to FIG. 5 for the sake of simplicity. Of course, the separator 17a consisting of the two individual elements 21, 22 can also be produced from several individual elements. For this, e.g. it is also possible to provide individual elements which can be slid over one another in the manner of a lamella, or individual elements can be added or removed in an arrangement, depending on the requirements placed on the width of the separator 17a.

Dabei ist es ersichtlicherweise auch möglich, die Oberfläche des Separators aus Einzel-Elementen so aufzubauen, dass eine gekrümmte Fläche entsteht, wie dies beim Ausführungsbeispiel gemäss Figur 6 angedeutet ist. Dort besteht der Separator 17a aus drei Einzel-Elementen 21, 22 und 23. Die Elemente 21 bis 23 sind Hohlprofile, die mit einer Nut-Federverbindung ineinander so eingreifen, dass sie eine Führungsebene für den abgezogenen Faden 4 bzw. den Ballon 13 bilden. Die Breite dieser Führungsebene lässt sich durch Hinzufügen oder Weglassen von Einzel-Elementen beliebig an die Anforderungen anpassen. Ausserdem lässt sich die Führungsebene durch entsprechend zueinander abgewinkelte Anordnung der Einzel-Elemente 21, 22, 23 gekrümmt ausbilden, wie dies in Figur 6 angedeutet ist.It is evidently also possible to construct the surface of the separator from individual elements in such a way that a curved surface is created, as indicated in the exemplary embodiment according to FIG. 6. There, the separator 17a consists of three individual elements 21, 22 and 23. The elements 21 to 23 are hollow profiles which engage with one another with a tongue and groove connection in such a way that they form a guide plane for the thread 4 or the balloon 13 drawn off. The width of this management level can be adapted to the requirements by adding or leaving out individual elements. In addition, the guide plane can be designed to be curved by arranging the individual elements 21, 22, 23 in a correspondingly angled manner, as is indicated in FIG. 6.

Claims (15)

  1. Device for restriction of yarn ballooning on a bobbin creel with two separators (17a, 17b) arranged on the facing sides of the bobbins (3), between which separators at least one yarn is drawn-off, the separators (17a, 17b) forming two guide planes for the yarns, by which means a two-sided restriction of the draw-off space (20) is formed in front of the bobbins (3), characterized in that the restriction to the draw-off space (20) tapers away from the facing side of the bobbins (3) in the direction of yarn run.
  2. Device according to claim 1, characterized in that the guide plane, on its yarn inlet side orientated towards the facing side of the bobbin (3), has a distance to the axis (3x) of the bobbin, said distance being greater than half of the maximum diameter (d/2) of the bobbin (3).
  3. Device according to one of the preceding claims, characterized in that the guide planes of the separators (17a, 17b), on their sides oriented away from the facing side of the bobbin, have a distance (a) from one another that approximately corresponds to half of the maximum diameter (d) of the bobbin (3).
  4. Device according to one of the claims 1 to 3, characterized in that the guide planes of the separators (17a, 17b), on their side oriented away from the facing side of the bobbin, have a distance from one another that is less than half of the maximum diameter (d) of the facing side of the bobbin.
  5. Device according to one of the preceding claims, characterized in that the guide planes are inclined at an angle of 30° to 60° to the axis (3x) of the bobbin.
  6. Device according to claim 5, characterized in that the guide planes are inclined at an angle of between 40° and 50° to the longitudinal axis (3x) of the bobbin.
  7. Device according to claim 6, characterized in that the guide plane is inclined at an angle of approximately 45° to the longitudinal axis (3x) of the bobbin.
  8. Device according to one of the preceding claims, characterized in that the guide planes are formed in each case by at least one planar guide element (17a, 17b, 21, 22, 23), said planar guide element being inclined at an angle α to the axis (3x) of the bobbin.
  9. Device according to one of the preceding claims, characterized in that the guide planes are formed by at least two individual elements (21, 22, 23).
  10. Device according to claims 8 or 9, characterized in that the guide elements (17a, 17b, 21, 22, 23) are planar elements which are rounded off on their yarn inlet and yarn outlet sides.
  11. Device according to one of the preceding claims, characterized in that the angle α, at which the guide plane of at least one separator (17a) is inclined, can be adjusted.
  12. Device according to one of the preceding claims, characterized in that, in the direction of the yarn run, the width (c) of the guide plane at least of one separator (17a) amounts to at least 40mm.
  13. Device according to claim 12, characterized in that, in the direction of the yarn run, the width (c) of the guide plane amounts to at least 80 mm and a maximum of 140 mm.
  14. Device according to one of the preceding claims, characterized in that the width (b) of at least one guide plane of at least one separator (17a) can be adjusted in the direction towards the facing side of the bobbin and/or towards the side oriented away from the facing side of the bobbin.
  15. Method of restriction of yarn ballooning on a bobbin creel, characterized in that, in the direction of the yarn run away from the bobbin facing side, the balloon (13) is restricted in two planes, said planes tapering from the outer diameter of the bobbins towards the bobbin axis (3x).
EP19920810624 1991-09-25 1992-08-14 Apparatus and method for limiting the balloon on a creel Expired - Lifetime EP0534896B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH284091A CH684100A5 (en) 1991-09-25 1991-09-25 Apparatus and method for limiting balloon on a creel.
CH2840/91 1991-09-25

Publications (2)

Publication Number Publication Date
EP0534896A1 EP0534896A1 (en) 1993-03-31
EP0534896B1 true EP0534896B1 (en) 1995-10-11

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CH (1) CH684100A5 (en)
DE (1) DE59203981D1 (en)

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Publication number Priority date Publication date Assignee Title
JP4097757B2 (en) * 1998-02-17 2008-06-11 株式会社八木熊 Thread unwinding tension stabilizing device, and creel thread unwinding tension stabilizing device using the tension stabilizing device

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Publication number Priority date Publication date Assignee Title
DE506027C (en) * 1928-08-29 1930-08-29 Schlafhorst & Co W Note gate

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CH684100A5 (en) 1994-07-15
EP0534896A1 (en) 1993-03-31

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