EP1277860B1 - Apparatus for manufacturing effect yarns and the use thereof - Google Patents

Apparatus for manufacturing effect yarns and the use thereof Download PDF

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Publication number
EP1277860B1
EP1277860B1 EP01117809A EP01117809A EP1277860B1 EP 1277860 B1 EP1277860 B1 EP 1277860B1 EP 01117809 A EP01117809 A EP 01117809A EP 01117809 A EP01117809 A EP 01117809A EP 1277860 B1 EP1277860 B1 EP 1277860B1
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EP
European Patent Office
Prior art keywords
thread
yarn
unit according
thread guide
guide
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
EP01117809A
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German (de)
French (fr)
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EP1277860A1 (en
EP1277860B8 (en
Inventor
Marc Schaad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SSM Schaerer Schweiter Mettler AG
Original Assignee
SSM AG
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 AG, SSM Schaerer Schweiter Mettler AG filed Critical SSM AG
Priority to EP01117809A priority Critical patent/EP1277860B8/en
Priority to DE50113322T priority patent/DE50113322D1/en
Priority to TW091114313A priority patent/TWI225844B/en
Priority to US10/195,254 priority patent/US6820405B2/en
Priority to JP2002212579A priority patent/JP2003054838A/en
Publication of EP1277860A1 publication Critical patent/EP1277860A1/en
Application granted granted Critical
Publication of EP1277860B1 publication Critical patent/EP1277860B1/en
Publication of EP1277860B8 publication Critical patent/EP1277860B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/008—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics with provision for imparting irregular effects to the yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/162—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam with provision for imparting irregular effects to the yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

Definitions

  • the present invention relates to an assembly for installation on process machines for the production of effect yarns by targeted production of short thick spots in the yarn by short-term Garnüber causal.
  • the HemaSlub facility is an integrated delivery unit with electronically controlled pressure rollers and an effect yarn generator, which can be integrated into the airblast texturing process.
  • This delivery mechanism is attachable to various machines and easy to use, but it is relatively complex and expensive and can only be used in a threadline with unheated godets.
  • the system with the Fadenauslenkhebel is simple and inexpensive, but it is only limited use, because only relatively small Fadenauslenkines are possible.
  • a device for lateral thread deflection which a motor driven, regulated thread guide with adjustable Hub, wherein a movement of the thread guide in one direction causes a slight underdelivery and in the other direction a strong transmission of the thread.
  • a first preferred embodiment of the unit according to the invention is characterized in that the thread guide is fastened on a traction element formed by a flexible and in the lifting direction stiff member, preferably by a wire rope, a string or a belt, and is driven by this.
  • This preferred embodiment is of the type of in the EP-A-0 453 622 and EP-A-0 829 444 described thread liners for winding a thread on a spool. Since this system has a very low mass, very steep flanks of the flames can be achieved. In addition, high yarn speeds can be achieved by the high dynamics. Since it is a regulated drive system, almost any acceleration and velocity profiles can be realized.
  • a second preferred embodiment of the device according to the invention is characterized in that the thread guide is formed by an oscillatingly drivable lever or arranged on such.
  • This preferred embodiment which is of the type of in the EP-A-0 838 422 be described thread laying, is particularly suitable for short flames, because the stroke of the lever is naturally smaller than that of the traversing element formed by a flexible organ.
  • a third preferred embodiment of the device according to the invention is characterized in that the thread guide stores the thread length corresponding to the desired overfeed in the form of a loop.
  • a fourth preferred embodiment of the inventive unit is characterized in that the drive of the thread guide is controlled in the release of the stored thread length in dependence on the volume and on the length of the thick point to be produced.
  • the invention further relates to a use of said aggregate on a false-twist texturing machine.
  • the device for lateral thread deflection in the yarn path immediately before the inlet of the radiator of the machine is arranged.
  • the invention also relates to a use of said aggregate on an air texturing machine.
  • the device for lateral thread deflection is arranged immediately in front of the Luftblastexturierdüse.
  • Fig. 1 shows an inventive unit A for installation on process machines for the production of effect yarns, which in the manner of in the EP-A-0 453 622 and in the EP-A-0 829 444 is designed thread laying described.
  • the unit A consists essentially of a base plate 1, a mounted on a traversing element 2 yarn guide 3 and its drive and leadership.
  • the yarn guide 3 is driven by the oscillating element 2 in the direction of arrow P oscillating.
  • the traversing element 2 is formed as a flexible and stiff in traversing direction P organ for transmitting tensile forces and, for example, by a string, a wire, a metal cable, a flat, toothed or V-belt, a metal band, a chain or the like formed.
  • the traversing element 2 passes over two mounted on the base plate 1 pulleys 4 and 5 and one of a servomotor 6, preferably a stepper motor, driven drive wheel 7. It wraps around the drive wheel 6 with several turns and is attached to both ends of
  • the motor 6 is an encoder 8 for detecting the rotational position of the drive wheel 7 and thus the traversing position of the yarn guide 3 assigned.
  • the encoder 8 is a photoelectric sensor consisting of a transmitting diode and a receiving diode, which detects the movement of a disk (not shown) rigidly connected to the driving wheel 7 (see in this connection Figs US-A-5,918,829 ).
  • This disc is provided for this purpose with suitable optically scannable markers, for example with holes or slots arranged along a circle.
  • the sensor signal is fed to a controller 9, which checks whether the motor 6 is running at the speed provided for the respective position of the thread guide. In case of deviations between actual and setpoint, the controller outputs a corresponding control signal to the motor 6.
  • Another output M of the controller 9 is connected to the machine control.
  • the unit A serves as means for the lateral deflection of a yarn passing through a process machine F, in order to effect a transfer of the thread in the subsequent process stage.
  • the unit is arranged so that the traversing direction P is substantially about runs perpendicular to the thread running direction T. It has functionally similar to a weft storage for an air jet loom, which stores a certain length of thread in the form of a loop and then released controlled.
  • the take-off speed v 2 and thus the delivery speed to the next process step is greater than v 1
  • the difference between v 2 and v 1 depends on the speed of the yarn guide 3. In this way, it comes in the next process step for a short time to a tradition, creating a flame yarn.
  • Time, duration and speed of movement of the yarn guide 3 are controlled by the controller 9 and synchronized with the delivery speed of the yarn F, the encoder 8 monitors the said parameters. Because of the controlled drive of the yarn guide 3 almost any acceleration and speed profiles can be created. In addition, due to the low mass of the yarn guide 3 and its drive very steep flanks of the flames can be achieved.
  • the deflected by the thread guide 3 thread length determines the available for a flame tradition, so that therefore for a shorter flame, a smaller and for a longer flame, a greater deflection of the thread with appropriate positioning of the thread guide 3 takes place. If in the exemplary embodiment of FIG. 1 a transmission has taken place and the yarn guide 3 has been moved from the illustrated deflection position into the dashed position designated 3 ', then it must be moved into the deflection position required for the next flame. This is done by a very slow return movement over the yarn section to the next flame. This return movement is associated with underdelivery, but this is not annoying, because the yarn section is usually orders of magnitude longer than the flame itself until the next flame. For example, the length of the flame can be 70 mm and the length of the subsequent yarn piece without Flame 5 m or more.
  • FIGS. 2 and 3 each show an example of the use of the unit A on a false-wire or air-texturing machine.
  • the raw yarn F withdrawn from a reel 10 passes through a first delivery mechanism 11, a radiator 12, a cooling rail 13, a friction unit 14 and a second delivery mechanism 15 and is finally fed to a winding unit 16.
  • the illustrated elongate heater 12 may also be formed by a heating godet, that is a heated roll wrapped in a plurality of turns of yarn F.
  • the unit A is arranged between the first delivery mechanism 11 and the radiator 12.
  • the yarn is twisted and thermally fixed in the rotated state by heating and subsequent cooling. After twisting, the filaments with their fixed helix structure form a yarn of high volume and high elastic extensibility.
  • the rotation transmission is preferably carried out with a three-axis disk friction unit whose axes are parallel to the yarn running direction and form the vertices of an equilateral triangle.
  • the raw yarn F refers to core and effect yarn, but only the effect yarn is deflected from the aggregate A.
  • the texturing zone and the stretching zone identical thereto extend from the first to the second delivery mechanism 11 or 15, the swirl zone from the first delivery mechanism 11 to the friction unit 14 and heat-setting zone from the entrance of the radiator 12 to the exit of the cooling rail 13.
  • FIG 3 shows a view of the worktop 17 of an air texturing machine, on which, inter alia, an air-jet texturing nozzle 18 and, in the direction of yarn travel T, the aggregate A are arranged directly in front of it.
  • F 1 and F 2 denotes the effect yarn.
  • the core yarn F 1 passes through Bankgaletten 19 and 20 to a yarn brake 21 and then passes into the Heilblastexturierdüse 18.
  • the effect yarn F 2 passes through Schugaletten 22 and 23 to the unit A and from this to Heilblastexturierdüse 18.
  • Fig. 3 clearly shows that the unit A can be easily installed in a standard thread running with Schugaletten because of its simple structure and its small footprint. Of course, the installation in a yarn path with a flat radiator no problems.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Description

Die vorliegende Erfindung betrifft ein Aggregat für den Einbau auf Prozessmaschinen für die Herstellung von Effektgarnen durch gezielte Herstellung von kurzen Dickstellen im Garn durch kurzzeitige Garnüberlieferung.The present invention relates to an assembly for installation on process machines for the production of effect yarns by targeted production of short thick spots in the yarn by short-term Garnüberlieferung.

Weil die Individualität in der Gestaltung von Textilien immer häufiger die Entwicklung von speziellen und hochwertig veredelten Garnen bestimmt, bekommen im Bereich Prozessmaschinen, speziell bei Luft- und Falschdrahttexturiermaschinen, Effektgarne einen zunehmend wichtigen Stellenwert in der Garnveredelung. Für die Herstellung von Effektgarnen sind unterschiedliche Verfahren und unterschiedliche Maschinen bekannt, wobei jedoch das Grundprinzip für die als Flammen bezeichneten kurzen Dickstellen im Garn immer gleich ist. Filamentgarne werden nach vorgegebenen Rezepten durch kurzzeitige Überlieferung in die Lufttexturierdüsen- bzw. Falschdrahtzone derart eingebunden, dass feine oder intensive Struktureffekte entstehen. Die entstehenden Flammen weisen wegen der Garnüberlieferung einen grösseren Garnquerschnitt auf und haben eine Länge von typischerweise zwischen 20 und 100 mm. Die Flammen können je nach Grösse und Dauer der erhöhten Überlieferung variiert werden. Der Abstand der Flammen wird durch die Zeitspanne zwischen den Überlieferungen gesteuert. Bisher wird dieses Verfahren nur auf Lufttexturiermaschinen angewendet, eine Anwendung auf das Falschdrahttexturieren ist aber denkbar.Because individuality in the design of textiles increasingly determines the development of special and high-quality finished yarns, fancy yarns are becoming increasingly important in yarn finishing in the area of process machines, especially air and false-twist texturing machines. Different processes and different machines are known for the production of effect yarns, but the basic principle for the short thick spots in the yarn, referred to as flames, is always the same. Filament yarns are incorporated according to prescriptions by short-term transmission in the Lufttexturierdüsen- or false-twist zone such that fine or intense structural effects arise. The resulting flames have a larger yarn cross-section because of the yarn tradition and have a length of typically between 20 and 100 mm. The flames can be varied according to the size and duration of the increased transmission. The distance of the flames is controlled by the time span between the traditions. So far, this method is only used on Lufttexturiermaschinen, but an application to the false-twist texturing is conceivable.

Zur Herstellung von Effektgarnen werden heute zwei Arten von Aggregaten eingesetzt, das von der Heberlein AG entwickelte und vertriebene Verfahren HemaSlub und ein schon länger bekanntes System mit einem Fadenauslenkhebel, der durch eine periodische Bewegung die Überlieferung steuert (siehe dazu die US-A-4 124 973 ). Die HemaSlub-Einrichtung ist ein in den Luftblastexturierprozess integrierbares Lieferwerk mit elektronisch gesteuerten Andruckwalzen und einem Effektgarngenerator. Dieses Lieferwerk ist an verschiedene Maschinen anbaubar und einfach bedienbar, es ist aber relativ aufwändig und teuer und kann nur in einem Fadenlauf mit ungeheizten Galetten eingesetzt werden. Das System mit dem Fadenauslenkhebel ist einfach und kostengünstig, es ist aber nur beschränkt einsetzbar, weil nur relativ geringe Fadenauslenkungen möglich sind.Two types of aggregates are used today for the production of effect yarns: the HemaSlub process developed and marketed by Heberlein AG and a system with a thread deflection lever which has been known for some time and which controls the transmission by means of a periodic movement (see the US-A-4,124,973 ). The HemaSlub facility is an integrated delivery unit with electronically controlled pressure rollers and an effect yarn generator, which can be integrated into the airblast texturing process. This delivery mechanism is attachable to various machines and easy to use, but it is relatively complex and expensive and can only be used in a threadline with unheated godets. The system with the Fadenauslenkhebel is simple and inexpensive, but it is only limited use, because only relatively small Fadenauslenkungen are possible.

Es ist die Aufgabe der vorliegenden Erfindung, eine Einrichtung zur Herstellung von Effektgarnen anzugeben, die preisgünstig und einfach einbaubar ist und bei deren Verwendung nicht nur der Standardfadenlauf mit ungeheizten Galetten sondern auch der mit Heizgaletten beibehalten werden kann.It is the object of the present invention to provide a device for the production of effect yarns, which is inexpensive and easy to install and in their use not only the standard yarn course with unheated godets but also with heating godets can be maintained.

Die gestellte Aufgabe wird erfindungsgemäss gelöst durch eine Einrichtung zur seitlichen Fadenauslenkung, welche einen motorisch antreibbaren, geregelten Fadenführer mit einstellbarem Hub aufweist, wobei eine Bewegung des Fadenführers in der einen Richtung eine leichte Unterlieferung und in der anderen Richtung eine starke Überlieferung des Fadens bewirkt.The object is achieved according to the invention by a device for lateral thread deflection, which a motor driven, regulated thread guide with adjustable Hub, wherein a movement of the thread guide in one direction causes a slight underdelivery and in the other direction a strong transmission of the thread.

Eine erste bevorzugte Ausführungsform des erfindungsgemässen Aggregats ist dadurch gekennzeichnet, dass der Fadenführer auf einem durch ein flexibles und in Hubrichtung steifes Organ, vorzugsweise durch ein Drahtseil, eine Saite oder einen Riemen, gebildeten Changierelement befestigt und von diesem angetrieben ist.A first preferred embodiment of the unit according to the invention is characterized in that the thread guide is fastened on a traction element formed by a flexible and in the lifting direction stiff member, preferably by a wire rope, a string or a belt, and is driven by this.

Diese bevorzugte Ausführungsform ist von der Art der in der EP-A-0 453 622 und EP-A-0 829 444 beschriebenen Fadenverlegungen zum Aufwickeln eines Fadens auf eine Spule. Da dieses System über eine sehr geringe Masse verfügt, können sehr steile Flanken der Flammen erzielt werden. Zudem können durch die hohe Dynamik hohe Garngeschwindigkeiten erreicht werden. Da es sich um ein geregeltes Antriebssystem handelt, können ausserdem beinahe beliebige Beschleunigungs- und Geschwindigkeitsprofile realisiert werden.This preferred embodiment is of the type of in the EP-A-0 453 622 and EP-A-0 829 444 described thread liners for winding a thread on a spool. Since this system has a very low mass, very steep flanks of the flames can be achieved. In addition, high yarn speeds can be achieved by the high dynamics. Since it is a regulated drive system, almost any acceleration and velocity profiles can be realized.

Eine zweite bevorzugte Ausführungsform des erfindungsgemässen Aggregats ist dadurch gekennzeichnet, dass der Fadenführer durch einen oszillierend antreibbaren Hebel gebildet oder auf einem solchen angeordnet ist.A second preferred embodiment of the device according to the invention is characterized in that the thread guide is formed by an oscillatingly drivable lever or arranged on such.

Diese bevorzugte Ausführungsform, welche von der Art der in der EP-A-0 838 422 beschriebenen Fadenverlegung sein kann, eignet sich besonders für kurze Flammen, weil der Hub des Hebels naturgemäss kleiner ist als derjenige des durch ein flexibles Organ gebildeten Changierelements.This preferred embodiment, which is of the type of in the EP-A-0 838 422 be described thread laying, is particularly suitable for short flames, because the stroke of the lever is naturally smaller than that of the traversing element formed by a flexible organ.

Eine dritte bevorzugte Ausführungsform des erfindungsgemässen Aggregats ist dadurch gekennzeichnet, dass durch den Fadenführer die Speicherung einer der gewünschten Überlieferung entsprechenden Fadenlänge in Form einer Schlaufe erfolgt.A third preferred embodiment of the device according to the invention is characterized in that the thread guide stores the thread length corresponding to the desired overfeed in the form of a loop.

Eine vierte bevorzugte Ausführungsform des erfindungsgemässen Aggregats ist dadurch gekennzeichnet, dass der Antrieb des Fadenführers bei der Freigabe der gespeicherten Fadenlänge in Abhängigkeit vom Volumen und von der Länge der zu erzeugenden Dickstelle gesteuert ist.A fourth preferred embodiment of the inventive unit is characterized in that the drive of the thread guide is controlled in the release of the stored thread length in dependence on the volume and on the length of the thick point to be produced.

Die Erfindung betrifft weiter eine Verwendung des genannten Aggregats an einer Falschdrahttexturiermaschine. Vorzugsweise ist bei dieser Verwendung die Einrichtung zur seitlichen Fadenauslenkung im Fadenlauf unmittelbar vor dem Einlauf des Heizkörpers der Maschine angeordnet.The invention further relates to a use of said aggregate on a false-twist texturing machine. Preferably, in this use, the device for lateral thread deflection in the yarn path immediately before the inlet of the radiator of the machine is arranged.

Die Erfindung betrifft ausserdem eine Verwendung des genannten Aggregats an einer Lufttexturiermaschine. Vorzugsweise ist bei dieser Verwendung die Einrichtung zur seitlichen Fadenauslenkung unmittelbar vor der Luftblastexturierdüse angeordnet.The invention also relates to a use of said aggregate on an air texturing machine. Preferably, in this use, the device for lateral thread deflection is arranged immediately in front of the Luftblastexturierdüse.

Im folgenden wird die Erfindung anhand von Ausführungsbeispielen und der Zeichnungen näher erläutert; es zeigt:

Fig. 1
eine schematische Darstellung einer erfindungsgemässen Vorrichtung,
Fig. 2
eine schematische Darstellung einer mit einer erfindungsgemässen Vorrichtung ausgerüsteten Falschdrahttexturiermaschine; und
Fig. 3
eine schematische Darstellung einer mit einer erfindungsgemässen Vorrichtung ausgerüsteten Lufttexturiermaschine.
In the following the invention will be explained in more detail with reference to embodiments and the drawings; it shows:
Fig. 1
a schematic representation of an inventive device,
Fig. 2
a schematic representation of a equipped with a device according to the invention false-wire texturing machine; and
Fig. 3
a schematic representation of an equipped with a device according to the invention Lufttexturiermaschine.

Fig. 1 zeigt ein erfindungsgemässes Aggregat A für den Einbau auf Prozessmaschinen für die Herstellung von Effektgarnen, welches in der Art der in der EP-A-0 453 622 und in der EP-A-0 829 444 beschriebenen Fadenverlegung ausgebildet ist. Das Aggregat A besteht im wesentlichen aus einer Grundplatte 1, einem auf einem Changierelement 2 befestigten Fadenführer 3 und dessen Antrieb und Führung. Der Fadenführer 3 ist durch das Changierelement 2 in Richtung des Pfeils P oszillierend angetrieben. Das Changierelement 2 ist als flexibles und in Changierrichtung P 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 dergleichen gebildet. Das Changierelement 2 läuft über zwei auf der Grundplatte 1 gelagerte Umlenkrollen 4 und 5 und über ein von einem Servomotor 6, vorzugs-weise eine Schrittmotor, angetriebenes Treibrad 7. Es umschlingt das Treibrad 6 mit mehreren Windungen und ist mit beiden Enden an diesem befestigt.Fig. 1 shows an inventive unit A for installation on process machines for the production of effect yarns, which in the manner of in the EP-A-0 453 622 and in the EP-A-0 829 444 is designed thread laying described. The unit A consists essentially of a base plate 1, a mounted on a traversing element 2 yarn guide 3 and its drive and leadership. The yarn guide 3 is driven by the oscillating element 2 in the direction of arrow P oscillating. The traversing element 2 is formed as a flexible and stiff in traversing direction P organ for transmitting tensile forces and, for example, by a string, a wire, a metal cable, a flat, toothed or V-belt, a metal band, a chain or the like formed. The traversing element 2 passes over two mounted on the base plate 1 pulleys 4 and 5 and one of a servomotor 6, preferably a stepper motor, driven drive wheel 7. It wraps around the drive wheel 6 with several turns and is attached to both ends of this.

Dem Motor 6 ist ein Encoder 8 zur Detektion der Drehposition des Treibrades 7 und damit der Changierposition des Fadenführers 3 zugeordnet. Der Encoder 8 ist ein aus einer Sende- und einer Empfangsdiode bestehender fotoelektrischer Sensor, der die Bewegung einer mit dem Treibrad 7 starr verbundenen Scheibe (nicht dargestellt; siehe in diesem Zusammenhang die US-A-5 918 829 ) abtastet. Diese Scheibe ist zu diesem Zweck mit geeigneten optisch abtastbaren Markierungen, beispielsweise mit entlang eines Kreises angeordneten Löchern oder Schlitzen, versehen. Das Sensorsignal wird einer Steuerung 9 zugeführt, die überprüft, ob der Motor 6 mit der für die jeweilige Position des Fadenführers vorgesehenen Drehzahl läuft. Bei Abweichungen zwischen Ist- und Sollwert gibt die Steuerung ein entsprechendes Regelsignal an den Motor 6 ab. Ein weiterer Ausgang M der Steuerung 9 ist mit der Maschinensteuerung verbunden.The motor 6 is an encoder 8 for detecting the rotational position of the drive wheel 7 and thus the traversing position of the yarn guide 3 assigned. The encoder 8 is a photoelectric sensor consisting of a transmitting diode and a receiving diode, which detects the movement of a disk (not shown) rigidly connected to the driving wheel 7 (see in this connection Figs US-A-5,918,829 ). This disc is provided for this purpose with suitable optically scannable markers, for example with holes or slots arranged along a circle. The sensor signal is fed to a controller 9, which checks whether the motor 6 is running at the speed provided for the respective position of the thread guide. In case of deviations between actual and setpoint, the controller outputs a corresponding control signal to the motor 6. Another output M of the controller 9 is connected to the machine control.

Das Aggregat A dient als Mittel zur seitlichen Auslenkung eines eine Prozessmaschine durchlaufenden Fadens F, um in der nachfolgenden Prozessstufe eine Überlieferung des Fadens zu bewirken. Das Aggregat ist so angeordnet, dass die Changierrichtung P im wesentlichen etwa senkrecht zur Fadenlaufrichtung T verläuft. Es hat funktionsmässig eine gewisse Ähnlichkeit mit einem Schussfadenspeicher für eine Luftdüsenwebmaschine, der eine bestimmte Fadenlänge in Form einer Schlaufe speichert und diese dann gesteuert freigibt.The unit A serves as means for the lateral deflection of a yarn passing through a process machine F, in order to effect a transfer of the thread in the subsequent process stage. The unit is arranged so that the traversing direction P is substantially about runs perpendicular to the thread running direction T. It has functionally similar to a weft storage for an air jet loom, which stores a certain length of thread in the form of a loop and then released controlled.

Wenn das Garn F dem Aggregat A mit einer Geschwindigkeit v1 zugeführt wird und der Fadenführer 3 eine Hubbewegung von rechts nach links vollführt, dann ist die Abzugsgeschwindigkeit v2 und damit die Liefergeschwindigkeit an die nächstfolgende Prozessstufe grösser als v1, wobei die Differenz zwischen v2 und v1 von der Geschwindigkeit des Fadenführers 3 abhängt. Auf diese Weise kommt es in der nächstfolgenden Prozessstufe kurzzeitig zu einer Überlieferung, wodurch ein Flammengarn entsteht. Zeitpunkt, Dauer und Geschwindigkeit der Bewegung des Fadenführers 3 sind von der Steuerung 9 gesteuert und mit der Liefergeschwindigkeit des Garns F synchronisiert, wobei der Encoder 8 die genannten Parameter überwacht. Wegen des geregelten Antriebs des Fadenführers 3 können nahezu beliebige Beschleunigungs- und Geschwindigkeitsprofile erstellt werden. Ausserdem können wegen der geringen Masse des Fadenführers 3 und seines Antriebs sehr steile Flanken der Flammen erzielt werden.If the yarn F is supplied to the unit A at a speed v 1 and the yarn guide 3 performs a lifting movement from right to left, then the take-off speed v 2 and thus the delivery speed to the next process step is greater than v 1 , the difference between v 2 and v 1 depends on the speed of the yarn guide 3. In this way, it comes in the next process step for a short time to a tradition, creating a flame yarn. Time, duration and speed of movement of the yarn guide 3 are controlled by the controller 9 and synchronized with the delivery speed of the yarn F, the encoder 8 monitors the said parameters. Because of the controlled drive of the yarn guide 3 almost any acceleration and speed profiles can be created. In addition, due to the low mass of the yarn guide 3 and its drive very steep flanks of the flames can be achieved.

Die vom Fadenführer 3 ausgelenkte Fadenlänge bestimmt die für eine Flamme zur Verfügung stehende Überlieferung, so dass also für eine kürzere Flamme eine kleinere und für eine längere Flamme eine grössere Auslenkung des Fadens mit entsprechender Positionierung des Fadenführers 3 erfolgt. Wenn beim Ausführungsbeispiel von Fig. 1 eine Überlieferung erfolgt und der Fadenführer 3 von der dargestellten Auslenkposition in die mit 3' bezeichnete, gestrichelte Lage bewegt worden ist, muss er anschliessend in die für die nächste Flamme erforderliche Auslenkposition bewegt werden. Dies erfolgt durch eine sehr langsame Rückbewegung über den Garnabschnitt bis zur nächsten Flamme. Diese Rückbewegung ist mit einer Unterlieferung verbunden, was aber nicht störend ist, weil der Garnabschnitt bis zur nächsten Flamme in der Regel um Grössenordnungen länger ist als die Flamme selbst. So kann beispielsweise die Länge der Flamme 70 mm betragen und die Länge des nachfolgenden Garnstücks ohne Flamme 5 m oder mehr.The deflected by the thread guide 3 thread length determines the available for a flame tradition, so that therefore for a shorter flame, a smaller and for a longer flame, a greater deflection of the thread with appropriate positioning of the thread guide 3 takes place. If in the exemplary embodiment of FIG. 1 a transmission has taken place and the yarn guide 3 has been moved from the illustrated deflection position into the dashed position designated 3 ', then it must be moved into the deflection position required for the next flame. This is done by a very slow return movement over the yarn section to the next flame. This return movement is associated with underdelivery, but this is not annoying, because the yarn section is usually orders of magnitude longer than the flame itself until the next flame. For example, the length of the flame can be 70 mm and the length of the subsequent yarn piece without Flame 5 m or more.

Wie schon erwähnt wurde, kann anstatt des in Fig. 1 dargestellten Aggregats A mit einem von einem flexiblen Changierorgan angetriebenen Fadenführer auch ein Aggregat mit einem oszillierend antreibbaren Schwenkhebel verwendet werden. Dieser Schwenkhebel kann beispielsweise von der Art des in der EP-A-0 838 422 beschriebenen Fadenverlegehebels sein, wobei auf die Energiespeicher zur Beeinflussung der Verzögerung oder Beschleunigung des Fadenverlegehebels bei seiner Bewegungsumkehr verzichtet werden kann. Auch ein derartiger Schwenkhebel wäre von einem Servomotor mit zugeordnetem Encoder angetrieben. Weil naturgemäss der Hub des Schwenkhebels kleiner ist als derjenige des Fadenführers 3 des Aggregats A, wäre das Aggregat mit dem Schwenkhebel in seinem Einsatz auf kurze Flammen beschränkt.As already mentioned, instead of the unit A shown in FIG. 1 with a yarn guide driven by a flexible traversing mechanism, it is also possible to use an assembly with an oscillatingly drivable pivoting lever. This pivot lever, for example, on the type of in the EP-A-0 838 422 be described thread-laying lever, wherein the energy storage to influence the delay or acceleration of the thread-laying lever can be dispensed with its motion reversal. Such a pivot lever would also be driven by a servomotor with associated encoder. Because, of course, the stroke of the pivot lever is smaller than that of the thread guide 3 of the unit A, the unit would be limited to the pivot lever in its use to short flames.

Die Fig. 2 und 3 zeigen je ein Beispiel für die Verwendung des Aggregats A an einer Falschdraht- bzw. Lufttexturiermaschine. Gemäss Fig. 2 durchläuft beim dem auch als Friktionstexturieren bezeichneten Falschdrahttexturierverfahren das von einer Spule 10 abgezogene Rohgarn F ein erstes Lieferwerk 11, einen Heizkörper 12, eine Kühlschiene 13, ein Friktionsaggregat 14 und ein zweites Lieferwerk 15 und wird schliesslich einem Spulaggregat 16 zugeführt. Der dargestellte länglich ausgebildete Heizkörper 12 kann auch durch eine Heizgalette, das ist eine geheizte und von mehreren Windungen des Garns F umschlungene Walze, gebildet sein.FIGS. 2 and 3 each show an example of the use of the unit A on a false-wire or air-texturing machine. According to FIG. 2, in the false-twist texturing method, also referred to as friction texturing, the raw yarn F withdrawn from a reel 10 passes through a first delivery mechanism 11, a radiator 12, a cooling rail 13, a friction unit 14 and a second delivery mechanism 15 and is finally fed to a winding unit 16. The illustrated elongate heater 12 may also be formed by a heating godet, that is a heated roll wrapped in a plurality of turns of yarn F.

Das Aggregat A ist zwischen dem ersten Lieferwerk 11 und dem Heizkörper 12 angeordnet. Bei der Falschdrahttexturierung wird das Garn tordiert und im gedrehten Zustand durch Erwärmen und anschliessendes Abkühlen thermisch fixiert. Nach dem Aufdrehen bilden die Filamente mit ihrer fixierten Helixstruktur ein Garn von hohem Volumen und hoher elastischer Dehnbarkeit. Die Drehungsübertragung erfolgt vorzugsweise mit einem dreiachsigen Scheibenfriktionsaggregat, dessen Achsen parallel zur Fadenlaufrichtung liegen und die Eckpunkte eines gleichseitigen Dreiecks bilden. Das Rohgarn F bezeichnet hier Core- und Effektgarn, wobei jedoch nur das Effektgarn vom Aggregat A ausgelenkt wird.The unit A is arranged between the first delivery mechanism 11 and the radiator 12. In the false-twist texturing, the yarn is twisted and thermally fixed in the rotated state by heating and subsequent cooling. After twisting, the filaments with their fixed helix structure form a yarn of high volume and high elastic extensibility. The rotation transmission is preferably carried out with a three-axis disk friction unit whose axes are parallel to the yarn running direction and form the vertices of an equilateral triangle. The raw yarn F refers to core and effect yarn, but only the effect yarn is deflected from the aggregate A.

Die Texturierzone und die mit dieser identische Streckzone erstreckt sich vom ersten bis zum zweiten Lieferwerk 11 bzw. 15, die Drallzone vom ersten Lieferwerk 11 bis zum Friktionsaggregat 14 und Thermofixier-Zone vom Eingang des Heizkörpers 12 bis zum Ausgang der Kühlschiene 13.The texturing zone and the stretching zone identical thereto extend from the first to the second delivery mechanism 11 or 15, the swirl zone from the first delivery mechanism 11 to the friction unit 14 and heat-setting zone from the entrance of the radiator 12 to the exit of the cooling rail 13.

Fig. 3 zeigt eine Ansicht der Arbeitsplatte 17 einer Lufttexturiermaschine, an welcher unter anderem eine Luftblastexturierdüse 18 und in Fadenlaufrichtung T unmittelbar vor dieser das Aggregat A angeordnet sind. In der Luftblastexturierdüse 18 erfolgt die Einbindung der zugeführten Filamentgarne F1 und F2, wobei F1 das sogenannte Coregarn und F2 das Effektgarn bezeichnet. Das Coregarn F1 läuft über Heizgaletten 19 und 20 zu einer Fadenbremse 21 und gelangt anschliessend in die Luftblastexturierdüse 18. Das Effektgarn F2 läuft über Heizgaletten 22 und 23 zum Aggregat A und von diesem zur Luftblastexturierdüse 18. Durch kurzzeitige hohe Überlieferung des Effektgarns F2 wird dieses in der Luftblastexturierdüse 18 derart eingebunden, dass feine oder intensive Struktureffekte entstehen. Das auf diese Weise hergestellte Effektgarn gelangt von der Luftblastexturierdüse 18 über eine Aufnahmerolle 24 zu einer Aufwickelspule 25.3 shows a view of the worktop 17 of an air texturing machine, on which, inter alia, an air-jet texturing nozzle 18 and, in the direction of yarn travel T, the aggregate A are arranged directly in front of it. In the Luftblastexturierdüse 18, the integration of the supplied filament yarns F 1 and F 2 takes place , wherein F 1 called the core yarn and F 2 denotes the effect yarn. The core yarn F 1 passes through Heizgaletten 19 and 20 to a yarn brake 21 and then passes into the Luftblastexturierdüse 18. The effect yarn F 2 passes through Heizgaletten 22 and 23 to the unit A and from this to Luftblastexturierdüse 18. By short high transmission of the effect yarn F 2nd this is incorporated in the Luftblastexturierdüse 18 such that fine or intense structural effects. The effect yarn produced in this way passes from the air-jet texturing nozzle 18 via a take-up roll 24 to a take-up reel 25.

Das Ausführungsbeispiel von Fig. 3 zeigt deutlich, dass das Aggregat A wegen seines einfachen Aufbaus und seines geringen Platzbedarfs problemlos in einen Standardfadenlauf mit Heizgaletten eingebaut werden kann. Selbstverständlich bietet auch der Einbau in einen Fadenlauf mit einem flächigen Heizkörper keine Probleme.The embodiment of Fig. 3 clearly shows that the unit A can be easily installed in a standard thread running with Heizgaletten because of its simple structure and its small footprint. Of course, the installation in a yarn path with a flat radiator no problems.

Claims (10)

  1. Unit for installation on processing machines for the production of fancy yarns through a deliberate production of short slubs in the yarn through short-duration yarn overfeed, characterized by a means (A) for lateral thread deflection having a motor-driveable, controlled thread guide (3) with an adjustable stroke, wherein movement of the thread guide (3) in one direction effects a slight underfeed and movement in another direction effects a pronounced overfeed of thread (F1, F2).
  2. Unit according to claim 1, characterized in that the thread guide (3) is attached to a traverse-motion element (2), formed by a flexible member which is rigid in the stroke direction, preferably a wire cable, a string or a belt, by which the thread guide is driven.
  3. Unit according to claim 1, characterized in that the thread guide is formed by or disposed on a lever which can be driven in an oscillating fashion.
  4. Unit according to claim 2 or 3, characterized in that the traverse-motion element (2) or the lever is driven by a servomotor (6) and an encoder (8) is provided for detecting the traversing position of the thread guide (3).
  5. Unit according to claim 4, characterized in that the thread guide (3) effects storage of a thread length, in the form of a loop, which corresponds to the desired overfeed.
  6. Unit according to claim 5, characterized in that the drive of the thread guide (3) is controlled in dependence on the volume and the length of the slub to be generated when the stored thread length is released.
  7. Use of the unit according to any one of the claims 1 through 6 on a false twist texturing machine.
  8. Use according to claim 7, characterized in that the means (A) for lateral thread deflection is disposed in the line of thread directly upstream of the inlet of the heating element (12) of the machine.
  9. Use of the unit according to any one of the claims 1 through 6 on an air texturing machine.
  10. Use according to claim 9, characterized in that the means (A) for lateral thread deflection is disposed directly upstream of the air-jet texturing nozzle (18).
EP01117809A 2001-07-21 2001-07-21 Apparatus for manufacturing effect yarns and the use thereof Expired - Lifetime EP1277860B8 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01117809A EP1277860B8 (en) 2001-07-21 2001-07-21 Apparatus for manufacturing effect yarns and the use thereof
DE50113322T DE50113322D1 (en) 2001-07-21 2001-07-21 Device for producing effect yarns and use of the device
TW091114313A TWI225844B (en) 2001-07-21 2002-06-28 Device for producing effect yarns
US10/195,254 US6820405B2 (en) 2001-07-21 2002-07-15 Device for producing effect yarns and use of the device
JP2002212579A JP2003054838A (en) 2001-07-21 2002-07-22 Apparatus for manufacturing effect yarn and its use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01117809A EP1277860B8 (en) 2001-07-21 2001-07-21 Apparatus for manufacturing effect yarns and the use thereof

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EP1277860A1 EP1277860A1 (en) 2003-01-22
EP1277860B1 true EP1277860B1 (en) 2007-11-28
EP1277860B8 EP1277860B8 (en) 2008-02-13

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EP (1) EP1277860B8 (en)
JP (1) JP2003054838A (en)
DE (1) DE50113322D1 (en)
TW (1) TWI225844B (en)

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EP1544333A1 (en) * 2003-12-19 2005-06-22 Schärer Schweiter Mettler AG Air jet texturing machine for manufacturing fancy yarns
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CN101165250B (en) * 2006-10-17 2011-02-02 经纬纺织机械股份有限公司 Device for carrying digital control to weft accumulator and control method thereof
WO2009071108A1 (en) * 2007-12-06 2009-06-11 SSM Schärer Schweiter Mettler AG Yarn processing machine
WO2012107378A1 (en) 2011-02-08 2012-08-16 Oerlikon Textile Gmbh & Co. Kg Method and device for texturing a synthetic thread
JP5691800B2 (en) * 2011-04-27 2015-04-01 トヨタ紡織株式会社 Woven fabric, manufacturing method thereof, and vehicle seat
ITUB20152307A1 (en) 2015-07-20 2017-01-20 Ssm Giudici S R L METHOD AND DEVICE FOR THE PRODUCTION OF A BLOODY AND THREADED THREAD THEN OBTAINED
ITUA20163482A1 (en) 2016-05-16 2017-11-16 Ssm Giudici S R L DEVICE FOR THE PRODUCTION OF FLAMED WIRE OR YARN
IT201800005854A1 (en) 2018-05-30 2019-11-30 DEVICE AND METHOD FOR PRODUCING FANTASY YARNS
CN112522828B (en) * 2020-12-29 2023-07-21 山东玉马遮阳科技股份有限公司 Polymer monofilament coated slub yarn forming equipment and forming method

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EP1319622A1 (en) * 2001-12-05 2003-06-18 Schärer Schweiter Mettler AG Method and apparatus for controlling the yarn tension in a textile machine and use of the method

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EP1277860A1 (en) 2003-01-22
US6820405B2 (en) 2004-11-23
US20030029152A1 (en) 2003-02-13
EP1277860B8 (en) 2008-02-13
DE50113322D1 (en) 2008-01-10
TWI225844B (en) 2005-01-01
JP2003054838A (en) 2003-02-26

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