EP1209114B1 - Yarn distributor for a device for winding yarn on a bobbin - Google Patents

Yarn distributor for a device for winding yarn on a bobbin Download PDF

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Publication number
EP1209114B1
EP1209114B1 EP00124955A EP00124955A EP1209114B1 EP 1209114 B1 EP1209114 B1 EP 1209114B1 EP 00124955 A EP00124955 A EP 00124955A EP 00124955 A EP00124955 A EP 00124955A EP 1209114 B1 EP1209114 B1 EP 1209114B1
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EP
European Patent Office
Prior art keywords
yarn
guide
traversing
thread
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00124955A
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German (de)
French (fr)
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EP1209114A1 (en
Inventor
Marc Schaad
Ewald Kornmann
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SSM Schaerer Schweiter Mettler AG
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SSM Schaerer Schweiter Mettler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SSM Schaerer Schweiter Mettler AG filed Critical SSM Schaerer Schweiter Mettler AG
Priority to AT00124955T priority Critical patent/ATE276192T1/en
Priority to DE50007801T priority patent/DE50007801D1/en
Priority to EP00124955A priority patent/EP1209114B1/en
Priority to TR2004/02351T priority patent/TR200402351T4/en
Publication of EP1209114A1 publication Critical patent/EP1209114A1/en
Application granted granted Critical
Publication of EP1209114B1 publication Critical patent/EP1209114B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2821—Traversing devices driven by belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to thread laying for a winding device of a thread on a bobbin, with a thread guide, which with a running over deflection rollers, flexible, motor-driven traversing element is connected and a traversing movement runs in the longitudinal direction of the coil, and with a biasing element to compensate for Voltage fluctuations of the traversing element, one of the deflection rollers as a drive wheel for formed the drive of the traversing element and the height of the thread laying in essentially determined by the diameter of the deflection rollers and the thread guide a sliding member mounted in a guide is attached.
  • the invention is now a thread laying of the type mentioned with minimal Construction height can be specified, which is simply retrospectively due to its low construction height existing machines can be fitted.
  • this object is achieved in that the roles mentioned are arranged in this way are that the plane spanned by the traversing element by a narrow, in the longitudinal direction of the coil to be manufactured is formed and that said Rollers and said guide on a common holding plate of the shape of a narrow strip are arranged.
  • the overall height of the thread laying essentially depends on the diameter of the deflection rollers reduced and is therefore only a fraction of the previous height. This will make the Height of thread laying so low that it can be retrofitted in many machines can be.
  • DE-A-196 44 911 describes a device for winding a thread, in which the traversing device has a belt driven in one direction and one between the Both strands of the belt can be moved back and forth and non-positively with straight guides has connectable carriage. The carriage is driven across the belt magnetically, so this device does not have high traversing speeds and is not precise Positioning the thread guide allows.
  • a third preferred embodiment of the thread laying according to the invention is thereby characterized in that the deflecting roller forming the prestressing member is spring-mounted.
  • a further preferred embodiment of the thread laying according to the invention is thereby characterized in that the deflection roller forming the pretensioning member by means of a linear guide and spring or is mounted by means of an integral spring.
  • the winding unit essentially consists of a spindle 2 for receiving and holding a coil sleeve 3, on which a coil 4, for example a cheese, is wound and from thread laying 1.
  • the latter is used to lay a thread, which is withdrawn from a supply spool by a delivery unit, not shown.
  • the coil 2 is either directly driven or lies along a surface line on a freely rotatable roller on a suitable carrier part of the textile machine in question (not shown) is mounted.
  • the thread laying 1, which is used to produce the desired winding, contains the most important element is a thread guide 5, which oscillates along the axis A of the bobbin 4 Executes oscillating movement.
  • the thread guide 5 is movable back and forth on a guide 6 in a rail-like or groove-like manner Fixed sliding element 7, on which a traversing element 8 engages.
  • This is as flexible and trained in the traversing direction rigid member for the transmission of tensile forces and for example by a string, a wire, a metal rope, a flat, toothed or V-belt, a metal band, a chain or the like.
  • the thread laying 1 is on a holding plate 9 attached, which in turn is mounted on the machine.
  • the traversing element 8 runs About two rigidly mounted guide rollers 9 and 11 to one of one Servo motor 12, preferably a stepper motor, driven drive wheel 13.
  • the traversing element 8 wraps around the drive wheel 13 with several turns and is at both ends on this attached.
  • the drive wheel 13 When driving the drive wheel 13, depending on the direction of rotation of the thread guide 5 in the direction moved to one or the other pulley 10 or 11.
  • the distance between the Deflection rollers 10 and 11 give the maximum possible stroke of the thread guide 5 during its traversing movement on.
  • the drive wheel 13 is based on the torque characteristic of the motor 12 and adapted to the load formed from thread guide 5, sliding element 7, thread and traversing element 8, that an ideal efficiency results.
  • the motor 12 is a sensor (not shown) for detecting the rotational position of the driving wheel 13 and thus assigned to the traversing position of the thread guide 5. Regarding this sensor and its interaction with the control of the engine 12 is disclosed in EP-A-0 829 444 directed.
  • the central region of the holding plate 9 which supports the motor 12 and the drive wheel 13 is as resilient clamping plate 9 is formed, which via bending beams with the edge region of the holding plate 9 is connected (see also EP-A-0 829 444).
  • the resilient effect of the clamping plate 14 is used to make dynamic changes, preferably formed by a steel cable To compensate for traversing element 8 in the area of the movement reversal points. If the thread guide 5 reaches a reversal point, then the two behave towards the thread guide subsequent dreams of the traversing element 8 differently, in the braking phase the forward strand relaxed in the direction of movement and that in the direction of movement rear strand stretched and in the acceleration phase the front strand in the direction of movement The traverse of the traversing element is stretched and the rear is loosened.
  • This dynamic behavior of the traversing element 8 limits the positioning accuracy of the thread guide 5 at a given acceleration or deceleration and thus the Traversing speed of the thread guide 5 with a given positioning accuracy. Since the requirements for the positioning accuracy of the thread guide are already in the case of packages are very high and would still rise for windings according to any winding laws, that would mentioned dynamic behavior of the traversing element 8, the traversing speed and so that the winding speed is noticeably limited.
  • the drive wheel 13 acts on the traversing element 8 like a pretensioner that presses laterally against the traversing element and fluctuations balances out its tensions. Since each strand of the traversing element 8 from the thread guide 5 is guided to the drive wheel 13, this resilient biasing member acts simultaneously both dreams of the traversing element 8 and thereby prevents in the acceleration and in the delay phase, both a loosening of one and an overextension of the other Run of the traversing element.
  • H 1 denotes the normal distance between the axes of the deflection rollers 10, 11 and the axis of the drive wheel 13
  • H 2 denotes the distance between the axes of the deflection rollers 10, 11 and the lower edge of the holding plate 9.
  • the latter distance is referred to as the overall height or width of the thread laying 1, which is essentially due to the height on the base line of the isosceles triangle spanned by the traversing element 8 ( ⁇ H 1 ) and by the distance between the axis of the drive wheel 13 and the lower edge of the Holding plate 9 is determined.
  • Fig. 2 shows a view of an embodiment of a thread laying 1 'whose overall height is only about 20% of the overall height of the thread laying 1 of Fig. 1.
  • one of the two deflection rollers as shown the deflection roller 10 ', takes over the function of the drive wheel, so that the plane spanned by the traversing element 8 no longer has the shape of a triangle but the shape of a narrow band. Accordingly, the distance H 1 becomes zero.
  • the distance H 2 is also significantly reduced because, in addition to the elimination of H 1 , the clamping plate 14 (FIG. 1) and its storage have also been eliminated.
  • the servo motor 12 is arranged behind the deflection roller 10 'and that with the reference number Holding plate designated 15 has a correspondingly smaller height or width than the holding plate 9 of thread laying 1 of Fig. 1.
  • the overall height of thread laying 1 ' is essentially determined by the diameter of the deflection rollers 10 ', 11' and is thereby reduced to one Fraction of the overall height of the thread laying 1 (Fig. 1) reduced. This also leads to a corresponding one Material and cost reduction.
  • the other deflection roller 11 ' is designed as a pretensioning element, which results in further simplification and cost reduction.
  • Fig. 2 it is indicated that the guide roller 11 'in a linear guide against the force of the guide roller 11' after outside pressing spring 16 is mounted.

Landscapes

  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Abstract

The thread guide system for a device for winding thread on a spool has a thread guide (7) connected to a position changer (8) which alters the position at which the thread is wound on the spool. This has rollers (10', 11') at either end, one of which is motorised. The height of the thread as it passes through the guide is determined by the diameter of the rollers.

Description

Die vorliegende Erfindung betrifft eine Fadenverlegung für eine Vorrichtung zum Aufwickeln eines Fadens auf eine Spule, mit einem Fadenführer, der mit einem über Umlenkrollen laufenden, flexiblen, motorisch antreibbaren Changierelement verbunden ist und eine Changierbewegung in Längsrichtung der Spule ausführt, und mit einem Vorspannorgan zum Ausgleich von Spannungsschwankungen des Changierelements, wobei eine der Umlenkrollen als Treibrad für den Antrieb des Changierelements ausgebildet und die Höhe der Fadenverlegung im wesentlichen durch den Durchmesser der Umlenkrollen bestimmt sowie der Fadenführer auf einem in einer Führung gelagerten Gleitorgan befestigt ist.The present invention relates to thread laying for a winding device of a thread on a bobbin, with a thread guide, which with a running over deflection rollers, flexible, motor-driven traversing element is connected and a traversing movement runs in the longitudinal direction of the coil, and with a biasing element to compensate for Voltage fluctuations of the traversing element, one of the deflection rollers as a drive wheel for formed the drive of the traversing element and the height of the thread laying in essentially determined by the diameter of the deflection rollers and the thread guide a sliding member mounted in a guide is attached.

Bei einer in der EP-A-0 829 444 beschriebenen Fadenverlegung dieser Art, bei welcher das Changierelement durch ein Drahtseil, eine Saite oder einen Riemen gebildet ist, sind zwei Umlenkrollen und ein motorisch angetriebenes Treibrad vorgesehen, welche ein gleichschenkeliges Dreieck aufspannen. Das Treibrad, welches gleichzeitig als Vorspannorgan wirkt, ist auf einer zungenartigen, von Biegeträgern getragenen Lasche gelagert, welche als Spannplatte wirkt. Die Abmessungen dieser Fadenverlegung sind in der Länge durch die gewünschte maximale Spulenlänge und in der Höhe oder Breite durch die Höhe auf der Grundlinie des durch das Changierelement aufgespannten gleichschenkeligen Dreiecks plus Breite der Spannplatte plus deren Lagerung bestimmt.In a thread laying of this type described in EP-A-0 829 444, in which the Traversing element is formed by a wire rope, a string or a belt, are two pulleys and a motor-driven driving wheel is provided, which is an isosceles Open the triangle. The driving wheel, which also acts as a tensioning element, is on a tongue-like, supported by bending beams tab, which serves as a clamping plate acts. The dimensions of this thread laying are in length by the desired maximum Coil length and in height or width by the height on the baseline of by the traversing element spanned isosceles triangle plus width of the clamping plate plus their storage determined.

Diese bekannte Fadenverlegung hat sich in der Praxis so gut bewährt, dass der Wunsch besteht, Spulstellen bestehender Maschinen, beispielsweise von OE-Spinnmaschinen, mit solchen Fadenverlegungen auszurüsten oder nachträglich auf diese umzurüsten, was jedoch oftmals daran scheitert oder zumindest dadurch erschwert wird, dass die Bauhöhe der Fadenverlegung für die vorgesehene Maschine zu gross ist. Besonders bei OE-Spinnmaschinen sollte die Höhe des vom Changierelement aufgespannten Dreiecks möglichst gering sein, weil unterhalb der Fadenverlegung Fadenbehandlungseinrichtungen, wie beispielsweise Fadenparaffinierer, vorgesehen sein können. Gleiches gilt für die in der EP-A-0 453 622 beschriebene Fadenverlegung.This known thread laying has proven itself so well in practice that there is a desire to Reels of existing machines, for example OE spinning machines, with such Equip thread transfers or retrofit them, but what often fails because of the height of the thread laying is too big for the intended machine. Especially with OE spinning machines should the height of the triangle spanned by the traversing element should be as low as possible because below the thread laying thread treatment devices, such as thread waxing, can be provided. The same applies to the thread laying described in EP-A-0 453 622.

Durch die Erfindung soll nun eine Fadenverlegung der eingangs genannten Art mit minimaler Bauhöhe angegeben werden, welche aufgrund ihrer geringen Bauhöhe nachträglich einfach in bestehende Maschinen eingepasst werden kann. The invention is now a thread laying of the type mentioned with minimal Construction height can be specified, which is simply retrospectively due to its low construction height existing machines can be fitted.

Diese Aufgabe wird erfindungsgemäss dadurch gelöst, dass die genannten Rollen so angeordnet sind, dass die vom Changierelement aufgespannte Ebene durch einen schmalen, in Längsrichtung der herzustellenden Spule verlaufenden Streifen gebildet ist, und dass die genannten Rollen und die genannte Führung auf einer gemeinsamen Halteplatte von der Form eines schmalen Streifens angeordnet sind.According to the invention, this object is achieved in that the roles mentioned are arranged in this way are that the plane spanned by the traversing element by a narrow, in the longitudinal direction of the coil to be manufactured is formed and that said Rollers and said guide on a common holding plate of the shape of a narrow strip are arranged.

Durch die erfindungsgemässe Ausbildung der Führung und des Antriebs des Changierelements wird die Bauhöhe der Fadenverlegung im wesentlichen auf den Durchmesser der Umlenkrollen reduziert und beträgt somit nur mehr einen Bruchteil der bisherigen Bauhöhe. Dadurch wird die Bauhöhe der Fadenverlegung so gering, dass diese in viele Maschinen nachträglich eingepasst werden kann.The inventive design of the guide and drive of the traversing element the overall height of the thread laying essentially depends on the diameter of the deflection rollers reduced and is therefore only a fraction of the previous height. This will make the Height of thread laying so low that it can be retrofitted in many machines can be.

In der DE-A-196 44 911 ist eine Vorrichtung zum Aufwickeln eines Fadens beschrieben, bei der die Changiereinrichtung einen in einer Richtung angetriebenen Riemen und einen zwischen den beiden Trumen des Riemens hin- und her bewegbaren und mit Geradführungen kraftschlüssig verbindbaren Schlitten aufweist. Der Antrieb des Schlittens quer zum Riemen erfolgt magnetisch, so dass diese Vorrichtung keine hohen Changiergeschwindigkeiten und keine präzise Positionierung des Fadenführers zulässt.DE-A-196 44 911 describes a device for winding a thread, in which the traversing device has a belt driven in one direction and one between the Both strands of the belt can be moved back and forth and non-positively with straight guides has connectable carriage. The carriage is driven across the belt magnetically, so this device does not have high traversing speeds and is not precise Positioning the thread guide allows.

Eine erste bevorzugte Ausführungsform der erfindungsgemässen Fadenverlegung ist dadurch gekennzeichnet, dass das Vorspannorgan durch ein zusätzliches Spannrad gebildet ist.This is a first preferred embodiment of the thread laying according to the invention characterized in that the pretensioning element is formed by an additional tensioning wheel.

Eine zweite bevorzugte Ausführungsform der erfindungsgemässen Fadenverlegung ist dadurch gekennzeichnet, dass das Vorspannorgan durch die andere Umlenkrolle gebildet ist.This is a second preferred embodiment of the thread laying according to the invention characterized in that the pretensioning element is formed by the other deflection roller.

Eine dritte bevorzugte Ausführungsform der erfindungsgemässen Fadenverlegung ist dadurch gekennzeichnet, dass die das Vorspannorgan bildende Umlenkrolle federnd gelagert ist.A third preferred embodiment of the thread laying according to the invention is thereby characterized in that the deflecting roller forming the prestressing member is spring-mounted.

Eine weitere bevorzugte Ausführungsform der erfindungsgemässen Fadenverlegung ist dadurch gekennzeichnet, dass die das Vorspannorgan bildende Umlenkrolle mittels einer Linearführung und Feder oder mittels einer Integralfeder gelagert ist.A further preferred embodiment of the thread laying according to the invention is thereby characterized in that the deflection roller forming the pretensioning member by means of a linear guide and spring or is mounted by means of an integral spring.

Alternativ kann diese Umlenkrolle auf einem Biegeträger, einer Biegeachse, einem Hebel oder einer Gabel gelagert sein.Alternatively, this deflection roller on a bending beam, a bending axis, a lever or be stored on a fork.

Nachfolgend wird die Erfindung anhand von in den Zeichnungen dargestellten Ausführungsbeispielen näher erläutert; es zeigt:

Fig. 1
eine schematische Darstellung einer Spulstelle einer Spulmaschine mit einer Fadenverlegung nach dem Stand der Technik,
Fig. 2
eine schematische Darstellung einer erfindungsgemässen Fadenverlegung; und
Fig. 3
Beispiele für das Vorspannorgan der Fadenverlegung von Fig. 2.
The invention is explained in more detail below on the basis of exemplary embodiments illustrated in the drawings; it shows:
Fig. 1
1 shows a schematic illustration of a winding unit of a winding machine with a thread laying according to the prior art,
Fig. 2
a schematic representation of a thread laying according to the invention; and
Fig. 3
Examples of the pretensioning element of the thread laying of FIG. 2.

Fig. 1 zeigt eine Spulstelle mit einer aus der EP-A-0 829 444 bekannten Fadenverlegung 1. Darstellungsgemäss besteht die Spulstelle im wesentlichen aus einer Spindel 2 zur Aufnahme und Halterung einer Spulenhülse 3, auf die eine Spule 4, beispielsweise eine Kreuzspule, aufgewickelt wird, und aus der Fadenverlegung 1. Die letztere dient zur Verlegung eines Fadens, der durch ein nicht dargestelltes Lieferwerk von einer Vorratsspule abgezogen wird. Die Spule 2 ist entweder direkt angetrieben oder liegt längs einer Mantellinie auf einer frei drehbaren Walze auf, die auf einem geeigneten Trägerteil der betreffenden Textilmaschine (nicht dargestellt) montiert ist. Die Fadenverlegung 1, die zur Herstellung der gewünschten Wicklung dient, enthält als wesentlichstes Element einen Fadenführer 5, der entlang der Achse A der Spule 4 eine oszillierende Changierbewegung ausführt.1 shows a winding unit with a thread laying device 1 known from EP-A-0 829 444. As shown, the winding unit essentially consists of a spindle 2 for receiving and holding a coil sleeve 3, on which a coil 4, for example a cheese, is wound and from thread laying 1. The latter is used to lay a thread, which is withdrawn from a supply spool by a delivery unit, not shown. The coil 2 is either directly driven or lies along a surface line on a freely rotatable roller on a suitable carrier part of the textile machine in question (not shown) is mounted. The thread laying 1, which is used to produce the desired winding, contains the most important element is a thread guide 5, which oscillates along the axis A of the bobbin 4 Executes oscillating movement.

Der Fadenführer 5 ist auf einem in einer schienen- oder nutenartigen Führung 6 hin und her bewegbaren Gleitorgan 7 befestigt, an welchem ein Changierelement 8 angreift. Dieses ist als flexibles und in Changierrichtung steifes Organ zur Übertragung von Zugkräften ausgebildet und beispielsweise durch eine Saite, einen Draht, ein Metallseil, einen Flach-, Zahn- oder Keilriemen, ein Metallband, eine Kette oder dgl. gebildet. Die Fadenverlegung 1 ist auf einer Halteplatte 9 befestigt, welche ihrerseits auf der Maschine montiert ist. Das Changierelement 8 läuft über zwei auf der Halteplatte 9 starr gelagerte Umlenkrollen 10 und 11 zu einem von einem Servomotor 12, vorzugsweise einem Schrittmotor, antreibbaren Treibrad 13. Das Changierelement 8 umschlingt das Treibrad 13 mit mehreren Windungen und ist mit beiden Enden an diesem befestigt.The thread guide 5 is movable back and forth on a guide 6 in a rail-like or groove-like manner Fixed sliding element 7, on which a traversing element 8 engages. This is as flexible and trained in the traversing direction rigid member for the transmission of tensile forces and for example by a string, a wire, a metal rope, a flat, toothed or V-belt, a metal band, a chain or the like. The thread laying 1 is on a holding plate 9 attached, which in turn is mounted on the machine. The traversing element 8 runs About two rigidly mounted guide rollers 9 and 11 to one of one Servo motor 12, preferably a stepper motor, driven drive wheel 13. The traversing element 8 wraps around the drive wheel 13 with several turns and is at both ends on this attached.

Bei Antrieb des Treibrades 13 wird je nach dessen Rotationsrichtung der Fadenführer 5 in Richtung auf die eine oder die andere Umlenkrolle 10 bzw. 11 bewegt. Der Abstand zwischen den Umlenkrollen 10 und 11 gibt den maximal möglichen Hub des Fadenführers 5 bei seiner Changierbewegung an. Das Treibrad 13 ist so an die Drehmomentcharakteristik des Motors 12 und an die aus Fadenführer 5, Gleitorgan 7, Faden und Changierelement 8 gebildete Last angepasst, dass ein idealer Wirkungsgrad resultiert.When driving the drive wheel 13, depending on the direction of rotation of the thread guide 5 in the direction moved to one or the other pulley 10 or 11. The distance between the Deflection rollers 10 and 11 give the maximum possible stroke of the thread guide 5 during its traversing movement on. The drive wheel 13 is based on the torque characteristic of the motor 12 and adapted to the load formed from thread guide 5, sliding element 7, thread and traversing element 8, that an ideal efficiency results.

Dem Motor 12 ist ein Sensor (nicht dargestellt) zur Detektion der Drehposition des Treibrades 13 und damit der Changierposition des Fadenführers 5 zugeordnet. Bezüglich dieses Sensors und seines Zusammenwirkens mit der Regelung des Motors 12 wird auf die EP-A-0 829 444 verwiesen.The motor 12 is a sensor (not shown) for detecting the rotational position of the driving wheel 13 and thus assigned to the traversing position of the thread guide 5. Regarding this sensor and its interaction with the control of the engine 12 is disclosed in EP-A-0 829 444 directed.

Der den Motor 12 und das Antriebsrad 13 tragende zentrale Bereich der Halteplatte 9 ist als federnde Spannplatte 9 ausgebildet, welche über Biegeträger mit dem Randbereich der Halteplatte 9 verbunden ist (siehe dazu EP-A-0 829 444). Die federnde Wirkung der Spannplatte 14 wird dazu verwendet, dynamische Veränderungen des vorzugsweise durch ein Stahlseil gebildeten Changierelements 8 im Bereich der Bewegungsumkehrpunkte zu kompensieren. Wenn der Fadenführer 5 an einen Umkehrpunkt gelangt, dann verhalten sich die beiden an den Fadenführer anschliessenden Trume des Changierelements 8 verschieden, indem in der Abbremsphase das in Bewegungsrichtung vordere Trum gelockert und das in Bewegungsrichtung hintere Trum gedehnt und in der Beschleunigungsphase das in Bewegungsrichtung vordere Trum des Changierelements gedehnt und das hintere gelockert wird.The central region of the holding plate 9 which supports the motor 12 and the drive wheel 13 is as resilient clamping plate 9 is formed, which via bending beams with the edge region of the holding plate 9 is connected (see also EP-A-0 829 444). The resilient effect of the clamping plate 14 is used to make dynamic changes, preferably formed by a steel cable To compensate for traversing element 8 in the area of the movement reversal points. If the thread guide 5 reaches a reversal point, then the two behave towards the thread guide subsequent dreams of the traversing element 8 differently, in the braking phase the forward strand relaxed in the direction of movement and that in the direction of movement rear strand stretched and in the acceleration phase the front strand in the direction of movement The traverse of the traversing element is stretched and the rear is loosened.

Dieses dynamische Verhalten des Changierelements 8 beschränkt die Positioniergenauigkeit des Fadenführers 5 bei einer gegebenen Beschleunigung oder Verzögerung und damit die Changiergeschwindigkeit des Fadenführers 5 bei einer vorgegebenen Positioniergenauigkeit. Da die Anforderungen an die Positioniergenauigkeit des Fadenführers schon bei Kreuzspulen sehr hoch sind und für Wicklungen nach beliebigen Wickelgesetzen noch steigen, würde das erwähnte dynamische Verhalten des Changierelements 8 die Changiergeschwindigkeit und damit die Spulgeschwindigkeit merklich begrenzen.This dynamic behavior of the traversing element 8 limits the positioning accuracy of the thread guide 5 at a given acceleration or deceleration and thus the Traversing speed of the thread guide 5 with a given positioning accuracy. Since the requirements for the positioning accuracy of the thread guide are already in the case of packages are very high and would still rise for windings according to any winding laws, that would mentioned dynamic behavior of the traversing element 8, the traversing speed and so that the winding speed is noticeably limited.

Durch die beschriebene Lagerung des Motors 12 und des Treibrades 13 an der relativ zu den Umlenkrollen 10 und 11 federnden Spannplatte 14, wirkt das Treibrad 13 auf das Changierelement 8 wie ein Vorspannorgan, das seitlich gegen das Changierelement drückt und Schwankungen von dessen Spannungen ausgleicht. Da jedes Trum des Changierelements 8 vom Fadenführer 5 zum Treibrad 13 geführt ist, wirkt dieses federnde Vorspannorgan gleichzeitig auf beide Trume des Changierelements 8 und verhindert dadurch in der Beschleunigungs- und in der Verzögerungsphase sowohl ein Lockern des einen als auch eine Überdehnung des anderen Trums des Changierelements.Due to the described mounting of the motor 12 and the drive wheel 13 on the relative to the Deflection rollers 10 and 11 resilient clamping plate 14, the drive wheel 13 acts on the traversing element 8 like a pretensioner that presses laterally against the traversing element and fluctuations balances out its tensions. Since each strand of the traversing element 8 from the thread guide 5 is guided to the drive wheel 13, this resilient biasing member acts simultaneously both dreams of the traversing element 8 and thereby prevents in the acceleration and in the delay phase, both a loosening of one and an overextension of the other Run of the traversing element.

In Fig. 1 ist mit dem Bezugszeichen H1 der Normalabstand zwischen den Achsen der Umlenkrollen 10, 11 und der Achse des Treibrades 13 und mit H2 der Abstand zwischen den Achsen der Umlemkrollen 10, 11 und der unteren Kante der Halteplatte 9 bezeichnet. Der letztere Abstand wird als Bauhöhe oder Baubreite der Fadenverlegung 1 bezeichnet, die im wesentlichen durch die Höhe auf der Grundlinie des durch das Changierelement 8 aufgespannten gleichschenkeligen Dreiecks (∼H1) und durch den Abstand zwischen der Achse des Treibrads 13 und der unteren Kante der Halteplatte 9 bestimmt ist. Es hat sich gezeigt, dass beim nachträglichen Einbau der dargestellten Fadenverlegung 1 in eine dafür ursprünglich nicht vorgesehene Maschine die Bauhöhe H2 oftmals zu gross ist, und dass die Fadenverlegung 1 wesentlich universeller verwendet werden könnte, wenn eine massive Reduktion der Bauhöhe möglich wäre.In Fig. 1, the reference symbol H 1 denotes the normal distance between the axes of the deflection rollers 10, 11 and the axis of the drive wheel 13, and H 2 denotes the distance between the axes of the deflection rollers 10, 11 and the lower edge of the holding plate 9. The latter distance is referred to as the overall height or width of the thread laying 1, which is essentially due to the height on the base line of the isosceles triangle spanned by the traversing element 8 (∼H 1 ) and by the distance between the axis of the drive wheel 13 and the lower edge of the Holding plate 9 is determined. It has been shown that when the thread laying 1 shown is subsequently installed in a machine that was not originally intended for this purpose, the overall height H 2 is often too great, and that the thread laying 1 could be used much more universally if a massive reduction in the structural height were possible.

Fig. 2 zeigt eine Ansicht eines Ausführungsbeispiels einer Fadenverlegung 1' deren Bauhöhe nur etwa 20% der Bauhöhe der Fadenverlegung 1 von Fig. 1 beträgt. Bei diesem Ausführungsbeispiel übernimmt eine der beiden Umlenkrollen, darstellungsgemäss die Umlenkrolle 10', die Funktion des Treibrades, so dass die vom Changierelement 8 aufgespannte Ebene nicht mehr die Form eines Dreiecks sondern die Form eines schmalen Bandes hat. Dementsprechend wird der Abstand H1 gleich null. Der Abstand H2 ist ebenfalls deutlich reduziert, weil zusätzlich zum Wegfall von H1 auch die Spannplatte 14 (Fig. 1) und deren Lagerung weggefallen sind. Fig. 2 shows a view of an embodiment of a thread laying 1 'whose overall height is only about 20% of the overall height of the thread laying 1 of Fig. 1. In this embodiment, one of the two deflection rollers, as shown the deflection roller 10 ', takes over the function of the drive wheel, so that the plane spanned by the traversing element 8 no longer has the shape of a triangle but the shape of a narrow band. Accordingly, the distance H 1 becomes zero. The distance H 2 is also significantly reduced because, in addition to the elimination of H 1 , the clamping plate 14 (FIG. 1) and its storage have also been eliminated.

Der Servomotor 12 ist hinter der Umlenkrolle 10' angeordnet und die mit dem Bezugszeichen 15 bezeichnete Halteplatte weist eine entsprechend kleinere Höhe oder Breite auf als die Halteplatte 9 der Fadenverlegung 1 von Fig. 1. Die Bauhöhe der Fadenverlegung 1' ist im wesentlichen durch den Durchmesser der Umlenkrollen 10', 11' bestimmt und wird dadurch auf einen Bruchteil der Bauhöhe der Fadenverlegung 1 (Fig. 1) reduziert. Das führt auch zu einer entsprechenden Material- und Kostenreduktion.The servo motor 12 is arranged behind the deflection roller 10 'and that with the reference number Holding plate designated 15 has a correspondingly smaller height or width than the holding plate 9 of thread laying 1 of Fig. 1. The overall height of thread laying 1 'is essentially determined by the diameter of the deflection rollers 10 ', 11' and is thereby reduced to one Fraction of the overall height of the thread laying 1 (Fig. 1) reduced. This also leads to a corresponding one Material and cost reduction.

Wie sich Fig. 2 weiter entnehmen lässt, ist die andere Umlenkrolle 11' als Vorspannorgan ausgebildet, was eine weitere Vereinfachung und Kostenreduktion ergibt. In Fig. 2 ist angedeutet, dass die Umlenkrolle 11' in einer Linearführung gegen die Kraft einer die Umlenkrolle 11' nach aussen drückenden Feder 16 gelagert ist.As can further be seen in FIG. 2, the other deflection roller 11 'is designed as a pretensioning element, which results in further simplification and cost reduction. In Fig. 2 it is indicated that the guide roller 11 'in a linear guide against the force of the guide roller 11' after outside pressing spring 16 is mounted.

Fig. 3 zeigt in einer tabellenartigen Zusammenstellung eine Anzahl von möglichen Arten der Lagerung der Umlenkrolle 11' und eine Ausführung, bei welcher die Umlenkrolle nicht als Vorspannorgan ausgebildet ist und ein separates Vorspannorgan verwendet wird:

  • Fig. 3.1 zeigt die in Fig. 2 dargestellte Lagerung der Umlenkrolle 11' mittels Linearführung und Feder 16;
  • Fig. 3.2 zeigt ein durch ein Spannrad 17 gebildetes Vorspannorgan;
  • Fig. 3.3 zeigt die Lagerung der Umlenkrolle 11' mit einem Biegeträger 18 aus Federblech, der an einen Träger 19 angeschraubt ist;
  • Fig. 3.4 zeigt die Lagerung mit einem als Einlegeteil ausgebildeten Biegeträger 18';
  • Fig. 3.5 zeigt die Lagerung der Umlenkrolle 11' mittels einer in einer Linearführung gelagerten Integralfeder 20;
  • Fig. 3.6 zeigt die Lagerung mittels einer Biegeachse 21;
  • Fig. 3.7 zeigt die Lagerung der Umlenkrolle 11' am einen Ende eine zweiarmigen Hebels oder einer zweiarmigen Gabel 22, an dessen bzw. deren anderem Ende eine Zugfeder 23 angreift;
  • Fig. 3.8 zeigt die Lagerung am einen Ende eines einarmigen Hebels 24, dessen anderes Ende über ein Torsionselement 25 auf einer Achse gelagert ist;
  • die Fig. 3.9 und 3.10 zeigen zwei Möglichkeiten der Lagerung mittels eines Feder-Parallelogramms.
3 shows, in a table-like compilation, a number of possible types of mounting of the deflection roller 11 'and an embodiment in which the deflection roller is not designed as a pretensioning element and a separate pretensioning element is used:
  • 3.1 shows the bearing of the deflection roller 11 'shown in FIG. 2 by means of a linear guide and spring 16;
  • Fig. 3.2 shows a biasing member formed by a tensioning wheel 17;
  • Fig. 3.3 shows the bearing of the deflection roller 11 'with a bending support 18 made of spring plate, which is screwed to a support 19;
  • Fig. 3.4 shows the storage with a bending member 18 'formed as an insert;
  • Fig. 3.5 shows the bearing of the deflection roller 11 'by means of an integral spring 20 mounted in a linear guide;
  • Fig. 3.6 shows the storage by means of a bending axis 21;
  • 3.7 shows the mounting of the deflection roller 11 'at one end of a two-armed lever or a two-armed fork 22, at the other end of which a tension spring 23 acts;
  • Fig. 3.8 shows the mounting at one end of a one-armed lever 24, the other end of which is mounted on an axis via a torsion element 25;
  • FIGS. 3.9 and 3.10 show two options for storage using a spring parallelogram.

Claims (7)

  1. Device for yarn laying in the winding of a yarn on to a bobbin (4), comprising a yarn guide (5) which is connected to a flexible, motor-driven traversing element (8) running over diversion rollers (10, 11; 10', 11') and which executes a traversing movement in the longitudinal direction of the bobbin (4), and comprising a pretensioning element for equalizing tension fluctuations of the traversing element (8), one of the diversion rollers (10') being designed as a driving wheel for driving the traversing element (8) and the overall height of the yarn lay (1) being substantially determined by the diameter of the diversion rollers (10', 11') and the yarn guide (5) being attached to a sliding element (7) mounted in a guide (6), characterized in that the said rollers (10', 11') are disposed in such a way that the plane stentered by the traversing element (8) consists of a narrow strip running in the longitudinal direction of the bobbin (4) to be produced, and the said rollers (10', 11') and the said guide (6) are disposed on a common holding plate (15) having the form of a narrow strip.
  2. Device for yarn laying according to Claim 1, characterized in that the pretensioning element consists of an additional tensioning wheel (17).
  3. Device for yarn laying according to Claim 1, characterized in that the pretensioning element consists of the other diversion roller (11').
  4. Device for yarn laying according to Claim 3, characterized in that the diversion roller (11') constituting the pretensioning element is resiliently mounted.
  5. Device for yarn laying according to Claim 4, characterized in that the diversion roller (11') constituting the pretensioning element is mounted by means of a linear guide and spring (16) or by means of an integral spring (20).
  6. Device for yarn laying according to Claim 4, characterized in that the diversion roller (11') constituting the pretensioning element is mounted on a bending support (18, 18'), a bending axle (21), a lever (22, 23) or a fork.
  7. Device for yarn laying according to Claim 4, characterized in that the diversion roller (11') constituting the pretensioning element is mounted on a spring parallelogram (26).
EP00124955A 2000-11-16 2000-11-16 Yarn distributor for a device for winding yarn on a bobbin Expired - Lifetime EP1209114B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT00124955T ATE276192T1 (en) 2000-11-16 2000-11-16 DEVICE FOR LAYING THREAD WHEN WINDING A THREAD ON A BOBBIN
DE50007801T DE50007801D1 (en) 2000-11-16 2000-11-16 Device for thread laying when winding a thread on a spool
EP00124955A EP1209114B1 (en) 2000-11-16 2000-11-16 Yarn distributor for a device for winding yarn on a bobbin
TR2004/02351T TR200402351T4 (en) 2000-11-16 2000-11-16 Thread-laying device for winding the yarn into the bobbin.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00124955A EP1209114B1 (en) 2000-11-16 2000-11-16 Yarn distributor for a device for winding yarn on a bobbin

Publications (2)

Publication Number Publication Date
EP1209114A1 EP1209114A1 (en) 2002-05-29
EP1209114B1 true EP1209114B1 (en) 2004-09-15

Family

ID=8170387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124955A Expired - Lifetime EP1209114B1 (en) 2000-11-16 2000-11-16 Yarn distributor for a device for winding yarn on a bobbin

Country Status (4)

Country Link
EP (1) EP1209114B1 (en)
AT (1) ATE276192T1 (en)
DE (1) DE50007801D1 (en)
TR (1) TR200402351T4 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20061354A1 (en) 2006-07-12 2008-01-13 Savio Macchine Tessili Spa HIGH FREQUENCY GAUGE CARTRIDGE FOR THE PRODUCTION OF MODULATED-MADE ROCKS
EP2735535B1 (en) * 2012-11-23 2015-01-14 SSM Schärer Schweiter Mettler AG Thread guide unit, motion damper for a thread guide unit and method for producing the motion damper
EP2743223B1 (en) * 2012-12-17 2015-01-28 SSM Schärer Schweiter Mettler AG Thread guide unit for a textile machine
ITUB20155420A1 (en) * 2015-11-10 2017-05-10 Savio Macch Tessili Spa HEADLIGHT DEVICE OF ROCKER AND RELATIVE ROCKER
CN109775432B (en) * 2019-01-16 2023-10-27 浙江凯成智能设备股份有限公司 Active unwinding winder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL54884C (en) * 1938-10-20
DE19644911A1 (en) * 1995-11-06 1997-05-07 Barmag Barmer Maschf Thread winder having traversing device with fast direction change
EP0829444B1 (en) * 1996-09-16 2001-12-19 Ssm Schärer Schweiter Mettler Ag Apparatus for winding yarn on a bobbin

Also Published As

Publication number Publication date
ATE276192T1 (en) 2004-10-15
TR200402351T4 (en) 2004-12-21
DE50007801D1 (en) 2004-10-21
EP1209114A1 (en) 2002-05-29

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