EP1501968B1 - Texturing machine - Google Patents

Texturing machine Download PDF

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Publication number
EP1501968B1
EP1501968B1 EP03720489A EP03720489A EP1501968B1 EP 1501968 B1 EP1501968 B1 EP 1501968B1 EP 03720489 A EP03720489 A EP 03720489A EP 03720489 A EP03720489 A EP 03720489A EP 1501968 B1 EP1501968 B1 EP 1501968B1
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EP
European Patent Office
Prior art keywords
cooling
yarn
thread
texturing
yam
Prior art date
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Expired - Lifetime
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EP03720489A
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German (de)
French (fr)
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EP1501968A1 (en
Inventor
Michael Pyra
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.)
Oerlikon Textile GmbH and Co KG
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Saurer GmbH and Co KG
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Publication of EP1501968A1 publication Critical patent/EP1501968A1/en
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/005—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll
    • 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

Definitions

  • the invention relates to a texturing machine for stretch-texturing a synthetic thread according to the preamble of claim 1.
  • a generic texturing machine is known for example from EP 0 879 907 A1.
  • Such texturing machines are used to texturize one or more yarns to make a bulked and crimped yarn from a melt spun plain yarn, which is suitable for further processing into a knit or woven work.
  • the spun smooth yarn is withdrawn from a supply spool within a texturing zone, which includes a heater, a cooling device and a texturing unit, textured, stretched and wound after the texturing into a coil.
  • a wetting device is arranged between the heating device and the cooling device within the texturing zone, through which a cooling fluid is applied to the thread.
  • the thread is guided over a wetted surface with contact, which causes additional yarn friction within the texturing zone.
  • this effect can have a positive effect beforehand, for example to prevent so-called searching.
  • this effect is so negative that the yarn within the heater is inadequately twisted during the thermal treatment.
  • the invention is therefore the object of developing a generic texturing machine of the type mentioned in such a way that the Thread between the heater and the cooling device is possible friction with a cooling fluid wetted.
  • Another object of the invention is to form the wetting of the yarn between the heater and the cooling device such that depending on the yarn speeds and the yarn types each desired yarn friction conditions are adjustable.
  • the invention is characterized in that upon contact of the thread on the wetting surface, a yarn friction sets, which depends on the relative speed between the thread and the surface.
  • the wetting surface is formed as a thread running track on the circumference of a rotatable cooling roller.
  • a cooling fluid is kept, which is transferable in contact with the thread. Due to the rotational movement of the cooling roller, on the one hand, only a thread friction determined by the relative movement between the thread and the thread running track and, on the other hand, a continuous, uniform metered wetting of the thread is achieved.
  • the running thread is constantly contacted with a metered wetted surface of the thread running track.
  • the positive effects of the wetting of the thread are retained.
  • the metering of the cooling fluid through the rotatable cooling roller is preferably dimensioned such that upon contact between the thread and the cooling fluid complete vaporization of theharifuids occurs. This ensures that the thread runs absolutely dry into the downstream cooling device, so that, for example, cooling rails or cooling tubes, on the surface of the thread is guided, do not pollute. It However, it is also possible to choose the wetting of the thread such that a certain residual moisture in the thread is maintained. This variant is particularly applicable to cooling devices that cool the thread without contact by means of a free cooling zone. It can thus set any degree of dryness on the thread.
  • the cooling roller is driven by a cooling roller drive, which is preferably designed as an electric motor.
  • the chill roll can thereby be driven both with the direction of rotation in the threadline and with the direction of rotation against threadline.
  • the cooling roller is driven in the direction of rotation in yarn path.
  • the thread friction can be minimized in a state in which the thread and the thread running track of the cooling roller have the same speeds.
  • the cooling roller can also drive with the direction of rotation against the yarn path.
  • the thread and the thread running track move in the opposite direction, resulting in a high thread friction in the wetting of the thread.
  • a controllable electric motor can be independent of the wound direction of rotation to achieve an adjustment of the peripheral speed of the cooling roller to each set yarn running speed within the texturing.
  • the thread running track is preferably designed according to an advantageous development as a groove on the circumference of the cooling roller.
  • the thread is thus guided for wetting within the groove on the circumference of the cooling roller.
  • the cross section of the groove is formed such that even with larger peripheral speeds of the cooling roller, an adhesion of the cooling fluid in the groove bottom remains ensured.
  • the cooling fluid is preferably supplied through a metering device of the yarn guide track on the circumference of the cooling roller.
  • the metering device can be designed as a dip bath, which contains a supply of cooling fluid and in which the circumference of the cooling roller partially dips.
  • the metering device through a nozzle which is arranged in the interior of the cooling roller or outside the cooling roller in order to supply the cooling fluid to the thread running track.
  • the heating device, the cooling roller and the cooling device is provided to arrange the heating device, the cooling roller and the cooling device to a substantially straight yarn path. This can form a texturing zone, in which additional thread guides and thus yarn friction can be avoided.
  • the heating device and the cooling device are preferably held in a V-shaped manner in a machine frame, wherein the cooling roller for deflecting the thread is arranged in the tip of the V-shaped arrangement.
  • each thread running track can be assigned a separate metering device or a common metering device.
  • a processing point of a first embodiment of a texturing machine according to the invention is shown schematically. On the presentation of the frame parts of a machine frame for fixing the individual processing units was omitted here
  • a supply spool 1 is held.
  • the feed bobbin 1 contains a thread 2, which is pulled off by a first delivery mechanism 4 from the supply spool 1.
  • the first delivery mechanism 4 is followed by a heating device 5, a wetting device 6, a cooling device 9, a texturing unit 10 and a second delivery mechanism 11 in the yarn path.
  • the thread 2 is guided to a winding device 12.
  • the thread 2 is wound into a coil 15.
  • the winding device 12 consists of a drive roller 13, a traversing device 14 and a bobbin holder 16. In this case, the coil 15 is driven by the drive roller 13 at a substantially constant speed.
  • the wetting device 6 is arranged between the heating device 5 and the cooling device 9.
  • the wetting device 6 has a rotatably mounted cooling roller 7, which will be described in more detail below.
  • the cooling roller 7 is arranged in a collecting chamber 8.
  • the collecting chamber 8 is connected in a suction device, not shown here.
  • the yarn 2 is drawn after deduction of the supply spool 1 within a texturing and simultaneously textured.
  • a false twist is generated on the thread 2 by the texturing unit 10, which is preferably formed by a friction encoder.
  • the false twist propagates in the yarn 2 counter to the thread running direction within the texturing zone, so that a crimping of the mulitfilen thread 2 takes place by the arranged in the texturing zone heater 6 and downstream cooling device 9.
  • the heating device 6 is preferably designed as a high-temperature heater whose heating surfaces is heated at a temperature above the melting temperature of the thread. The thread 2 is guided for this purpose substantially without contact by the heater 6.
  • the heater 5 through a contact heater.
  • the thread is guided into the wetting device 6.
  • the thread 2 enters via a thread inlet into the collection chamber 8 and strikes the driven with a peripheral speed cooling roller 7.
  • a cooling fluid is held in a thread running track, through which the heated yarn. 2 is wetted.
  • the amount of the cooling fluid, which is applied to the yarn 2 is dimensioned such that the yarn after leaving the Sammelkamnier 8 no longer has any cooling fluid residues, since they are vaporized within the collection chamber 8. The resulting steam is removed by the suction device, not shown here.
  • the cooling device 9 could be designed as a cooling rail or as a cooling tube, on the surface of which the thread is brought into contact.
  • the thread 2 passes through the texturing unit 10 and is guided by the second delivery mechanism 11 to the winding device 12.
  • the first delivery mechanism 4 and the second delivery mechanism 11 are driven at a differential speed, so that the yarn 2 is stretched simultaneously.
  • the first delivery mechanism 4, the heating device 5, the wetting device 6, the cooling device 9 and the texturing unit 10 are arranged in a thread running plane. This achieves a straight thread run within the texturing zone, which does not require additional thread guide elements.
  • the cooling roller 7 is driven by a roller drive. 2 an example of the cooling roller 7 is shown schematically in a cross-sectional view.
  • the cooling roll 7 has a roll shell 18 which is connected by a hub 19 to a free end of a motor shaft 20.
  • the motor shaft 20 is rotatably driven via an electric motor 21 such that the cooling roller 7 is rotationally driven in the thread running direction (as shown in Fig. 1).
  • the cooling roller 7 On the circumference of the cooling roller 7 is a thread running track 24 in the form of a circumferential Groove 17 formed.
  • the groove 17 has a V-shaped cross-section, wherein the groove flanks of the groove 17 form an angle of preferably ⁇ 90 °.
  • the cooling roller 7 is associated with a metering device 25.
  • the metering device 25 is formed by an immersion bath 22, which stores a cooling fluid 23.
  • the cooling roller 7 and the immersion bath 22 are arranged relative to one another in such a way that the cooling roller dips segment-shaped into the cooling fluid 23 within the immersion bath 22.
  • the immersion depth of the cooling roller 7 is dimensioned such that the groove cross section of the groove 17 is completely filled on the circumference of the cooling roller 7 within the dip bath 22 with the cooling fluid 23.
  • the yarn 2 On the opposite side of the cooling roller 7 to the immersion bath 22, the yarn 2 is guided in the groove 17 on the circumference of the cooling roller 7.
  • cooling roller 7 Due to the rotation of the cooling roller 7, a quantity of cooling fluid 23 held constantly in the groove 17 is conveyed out of the dipping bath 22 and conveyed to the point of contact between the running thread 2 and the cooling roller 7.
  • the cooling fluid 23 received by the thread 2 for wetting from the groove 17 is thus constantly renewed by rotation of the cooling roller 7, whereby a thread friction arising between the groove 17 and the thread 2 is dependent on the relative speed between the thread 2 and the groove 17.
  • the cooling roller 7 can be driven by the electric motor 21 at such a peripheral speed, that the lowest possible yarn friction acts on the yarn 2. On the other hand, this also ensures that upon contact with the heated thread no mechanical damage such as filament breaks can occur on the thread.
  • a further embodiment of a wetting device with a rotatable cooling roller 7 is shown schematically.
  • the cooling roller 7 are formed on the circumference a plurality of parallel yarn running tracks 24. Shown are - in this embodiment, three side by side running thread tracks 24. Each of the thread running tracks 24 is formed by a widening ring 27 attached to the circumference of the cooling roller 7.
  • the wetting ring 27 is formed of a porous material which is liquid-permeable.
  • a metering device 25 is arranged, which has a plurality of nozzles 26. The nozzles 26 are assigned to the wetting rings 27 in the roll shell 18 of the cooling roller 7 inside.
  • openings could be formed in the roll shell 18, so that a direct contact between the emerging from the nozzles 26 cooling fluid takes place with the wetting rings 25.
  • a respective thread is guided with contact, so that a simultaneous wetting of a plurality of threads through the cooling roller is executable.
  • the metering device is arranged outside the cooling roller, so that the nozzles spray the cooling fluid from the outside onto the wetting rings.
  • FIG. 4 schematically shows a further embodiment of the texturing machine according to the invention, in which a wetting device shown in FIG. 3 is provided.
  • the plane of the drawing is equal to the transverse plane-the texturing machine has a multiplicity of processing points, where in each processing point one thread is guided, textured, stretched and wound up.
  • the take-up devices 12 occupy a width of three processing points, thus each three take-up devices 12 are arranged one above the other.
  • the texturing machine has a machine frame 28 for receiving the processing units.
  • the description of the processing units held on the machine frame 28 is based on the thread run of a thread 2 withdrawn from a document spool 1.
  • several feed spools 1 are arranged in a gate frame 3 and assigned to the respective processing stations.
  • the thread 2 through a first delivery mechanism 4 via a first guide roller 29.1 and a second guide roller 29.2 deducted from the supply spool 1.
  • an elongate heater 5, through which the thread 2 is running, wherein the thread is heated to a certain temperature.
  • a cooling device 9 is provided in the thread running direction behind the heater 5.
  • the heating device 5 and the cooling device 9 are arranged in a kinked thread course V-shaped to each other and are held on the machine frame 28 above an operating gear 5.
  • the thread 2 thus crosses the operating gear 5 in a V-shaped threadline.
  • the wetting device 6 is arranged between the heating device 5 and the cooling device 9.
  • the wetting device 6 is constructed in accordance with the embodiment of FIG. 3, so that reference is made here to the preceding description.
  • the cooling roller 7 is arranged at the uppermost point between the heater 5 and the cooling device 9, so that the yarn is additionally deflected when looping the cooling roller 7. Contrary to the previous embodiment of the texturing machine according to FIG. 1, in this case the cooling roller 7 is driven by the cooling roller drive 21 with a direction of rotation counter to the thread run.
  • the cooling roll 7 is disposed within the collection chamber 8, which is coupled to a suction device, so that the incurred in the wetting of the threads of steam can be dissipated directly.
  • the thread tension within the texturing zone can thus be influenced advantageously by the roller drive 21 of the cooling roller 7.
  • the roller drive of the cooling roller 7 could be connected to a control device which is coupled to a thread tension sensor.
  • a predetermined yarn tension within the texturing zone could be simultaneously controlled by the roll drive 21 of the cooling roll 7.
  • the texturing unit 10 In the thread running direction below the cooling device 9, the texturing unit 10, a second delivery mechanism 11 and a third delivery mechanism 30 are held on the machine frame 28.
  • the yarn 2 is guided from the outlet of the cooling device 9, which is preferably formed by a cooling tube, to the texturing unit 10.
  • the texturing unit 10, which may be formed for example by a plurality of overlapping friction disks, is preferably driven by a texturing drive 36, an electric motor.
  • a third delivery mechanism 30 is arranged, which leads in the thread 2 directly in a set heating device 31.
  • the set heater 31 is held on the underside of the machine frame 28 for this purpose.
  • the thread 2 is guided over another fourth delivery mechanism 32 from the set heater 31 and conveyed to the take-up device 12.
  • the third delivery mechanism 30 and the fourth delivery mechanism 32 are driven at a differential speed such that a shrinkage treatment of the thread 2 within the set heater 31 is possible.
  • Each delivery mechanism is formed by a godet 34 and an overflow roller 35.
  • the godet 34 is driven by a godet drive 33.
  • the overflow roller 35 is freely rotatably mounted, so that the yarn 2 is guided with several wraps on the godet 34 and the overflow roller 35.
  • the winding device 12 is also characterized schematically in this embodiment by a traversing device 14, a drive roller 13 and a coil 15.
  • the coil 15 is held by means of a coil holder on the circumference of the drive roller 13 for this purpose.
  • the cooling roller 7 is driven by a single drive. Since such texturing usually have a plurality of processing stations side by side, it is also possible to drive a cooling roller with a plurality of yarn tracks by a drive, or drive a plurality of processing stations associated cooling rollers by group drives.
  • the structures of the illustrated embodiments of the texturing machine according to the invention are exemplary. The number and design of process units before the wetting device and after the wetting device are arbitrary and can be replaced by similar assemblies. Essential here is the intensive precooling by a contact wetting of the thread in the manner according to the invention.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A texturing apparatus for draw texturing a synthetic yarn. To this end, the texturing machine comprises a first feed system, a heating device, a cooling device, a texturing unit, a second feed system, and a takeup device for winding the textured yarn. Between the heating device and the cooling device, a wetting device is provided for wetting the heated yarn with a cooling fluid for purposes of precooling. The wetting device consists of a rotatable cooling cylinder which includes on its circumference a yarn track that contains a cooling fluid. The yarn can be wetted by contacting the yarn track. At the point of contact, the yarn friction is advantageously dependent on the relative speed between the yarn and the yarn track on the circumference of the cooling cylinder.

Description

Die Erfindung betrifft eine Texturiermaschine zum Streck-Texturieren eines synthetischen Fadens gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a texturing machine for stretch-texturing a synthetic thread according to the preamble of claim 1.

Eine gattungsgemäße Texturiermaschine ist beispielsweise aus der EP 0 879 907 A1 bekannt.A generic texturing machine is known for example from EP 0 879 907 A1.

Derartige Textwiermaschinm werden dazu verwendet, um einen oder mehrere Fäden zu texturieren, um aus einem schmelzgesponnenen glatten Faden ein gebauschtes und gekräuseltes Garn herzustellen, was zur Weiterverarbeitung zu einem Strick oder gewebten Werk geeignet ist. Hierzu wird der gesponnene glatte Faden von einer Vorlagespule abgezogen innerhalb einer Texturierzone, die eine Heizeinrichtung, eine Kühleinrichtung und ein Texturieraggregat beinhaltet, texturiert, verstreckt und nach der Texturierung zu einer Spule aufgewickelt wird. Zur Verbesserung der Kühlwirkung ist zwischen der Heizeinrichtung und der Kühleinrichtung innerhalb der Texturierzone eine Benetzungseinrichtung angeordnet, durch welche eine Kühlfluid auf den Faden aufgebracht wird. Hierzu wird der Faden über eine benetzte Oberfläche mit Kontakt geführt, was innerhalb der Texturierzone eine zusätzliche Fadenreibung bewirkt. Damit wird der Rücklauf eines durch das Texturieraggregat in den Faden eingebrachten Falschdralls in dem Faden beeinflußt. In Abhängigkeit vom Garntyp kann sich dieser Effekt zuvor positiv auswirken, um beispielsweise ein sogenanntes Searching zu verhindern. Jedoch bei Garntypen, die sich durch einen feinen Titer auszeichnen wirkt sich dieser Effekt derart negativ aus, daß der Faden innerhalb der Heizeinrichtung während der thermischen Behandlung unzureichend gedrallt ist.Such texturing machines are used to texturize one or more yarns to make a bulked and crimped yarn from a melt spun plain yarn, which is suitable for further processing into a knit or woven work. For this purpose, the spun smooth yarn is withdrawn from a supply spool within a texturing zone, which includes a heater, a cooling device and a texturing unit, textured, stretched and wound after the texturing into a coil. To improve the cooling effect, a wetting device is arranged between the heating device and the cooling device within the texturing zone, through which a cooling fluid is applied to the thread. For this purpose, the thread is guided over a wetted surface with contact, which causes additional yarn friction within the texturing zone. Thus, the return of a introduced by the texturing unit in the thread false twist in the thread is affected. Depending on the yarn type, this effect can have a positive effect beforehand, for example to prevent so-called searching. However, for yarn types characterized by a fine denier, this effect is so negative that the yarn within the heater is inadequately twisted during the thermal treatment.

Der Erfindung liegt demnach die Aufgabe zugrunde, eine gattungsgemäße Texturiermaschine der eingangs genannten Art derart weiterzubilden, daß der Faden zwischen der Heizeinrichtung und der Kühleinrichtung möglichst reibungsarm mit einem Kühlfluid benetzbar ist.The invention is therefore the object of developing a generic texturing machine of the type mentioned in such a way that the Thread between the heater and the cooling device is possible friction with a cooling fluid wetted.

Ein weiteres Ziel der Erfindung ist es, die Benetzung des Fadens zwischen der Heizeinrichtung und der Kühleinrichtung derart auszubilden, daß in Abhängigkeit von den Fadengeschwindigkeiten und den Garntypen jeweils gewünschte Fadenreibungsverhältnisse einstellbar sind.Another object of the invention is to form the wetting of the yarn between the heater and the cooling device such that depending on the yarn speeds and the yarn types each desired yarn friction conditions are adjustable.

Diese Aufgabe wird erfindungsgemäß durch eine Texturiermaschine mit den Merkmalen gemäß Anspruch 1 gelöst.This object is achieved by a texturing machine with the features of claim 1.

Vorteilhafte Weiterbildungen der Erfindung sind durch die Merkmale und die Merkmalskombinationen der Unteransprüche 2 bis 12 genannt.Advantageous developments of the invention are mentioned by the features and the feature combinations of the subclaims 2 to 12.

Die Erfindung zeichnet sich dadurch aus, daß bei Kontakt des Fadens an der Benetzungsoberfläche sich eine Fadenreibung einstellt, die von der Relativgeschwindigkeit zwischen dem Faden und der Oberfläche abhängt. Hierzu ist die Benetzungsoberfläche als eine Fadenlaufspur am Umfang einer drehbaren Kühlwalze ausgebildet. In der Fadenlaufspur am Umfang der Kühlwalze wird ein Kühlfluid vorgehalten, das bei Kontakt auf den Faden übertragbar ist. Durch die Drehbewegung der Kühlwalze wirkt einerseits nur eine durch die Relativbewegung zwischen dem Faden und der Fadenlaufspur bestimmte Fadenreibung und andererseits wird eine kontinuierliche gleichmäßige dosierte Benetzung des Fadens erreicht. Der laufende Faden wird ständig mit einer dosiert benetzten Oberfläche der Fadenlaufspur kontaktiert. Die durch die Benetzung des Fadens positiven Effekte wie Auswaschung von Präparationsresten und Vorkühlung des Fadens bleiben erhalten. Die Dosierung des Kühlfluids durch die drehbare Kühlwalze ist vorzugsweise derart bemessen, daß bei Kontakt zwischen dem Faden und dem Kühlfluid ein vollständiges Verdampfen des Kühlfuids eintritt. Damit wird sichergestellt, daß der Faden absolut trocken in die nachgeordnete Kühleinrichtung einläuft, so daß beispielsweise Kühlschienen oder Kühlrohre, an deren Oberfläche der Faden geführt wird, nicht verschmutzen. Es ist jedoch auch möglich, die Benetzung des Fadens derart zu wählen, daß eine gewisse Restfeuchte im Faden erhalten bleibt. Diese Variante ist insbesondere bei Kühleinrichtungen anwendbar, die mittels einer freien Kühlzone den Faden ohne Kontakt kühlen. Es läßt sich somit ein beliebiger Trocknungsgrad an dem Faden einstellen.The invention is characterized in that upon contact of the thread on the wetting surface, a yarn friction sets, which depends on the relative speed between the thread and the surface. For this purpose, the wetting surface is formed as a thread running track on the circumference of a rotatable cooling roller. In the thread running track on the circumference of the cooling roller a cooling fluid is kept, which is transferable in contact with the thread. Due to the rotational movement of the cooling roller, on the one hand, only a thread friction determined by the relative movement between the thread and the thread running track and, on the other hand, a continuous, uniform metered wetting of the thread is achieved. The running thread is constantly contacted with a metered wetted surface of the thread running track. The positive effects of the wetting of the thread, such as washing out of preparation residues and pre-cooling of the thread, are retained. The metering of the cooling fluid through the rotatable cooling roller is preferably dimensioned such that upon contact between the thread and the cooling fluid complete vaporization of the Kühlfuids occurs. This ensures that the thread runs absolutely dry into the downstream cooling device, so that, for example, cooling rails or cooling tubes, on the surface of the thread is guided, do not pollute. It However, it is also possible to choose the wetting of the thread such that a certain residual moisture in the thread is maintained. This variant is particularly applicable to cooling devices that cool the thread without contact by means of a free cooling zone. It can thus set any degree of dryness on the thread.

Die besonders vorteilhaften Weiterbildungen der Erfindung gemäß Anspruch 2 und 3 besitzen den Vorteil, daß die Fadenreibung beim Benetzen des Fadens einstellbar ist. Hierzu wird die Kühlwalze durch einen Kühlwalzenantrieb, der vorzugsweise als Elektromotor ausgebildet ist, angetrieben. Die Kühlwalze läßt sich dabei sowohl mit Drehrichtung in Fadenlauf als auch mit Drehrichtung entgegen Fadenlauf antreiben. Um möglichst geringe Fadenreibungen zu erhalten, wird die Kühlwalze mit Drehrichtung in Fadenlauf angetrieben. So läßt sich die Fadenreibung in einem Zustand minimieren, bei welchem der Faden und die Fadenlaufspur der Kühlwalze gleiche Geschwindigkeiten aufweisen. Um bei anderen Garntypen beispielsweise eine höhere Fadenreibung zu erzeugen, läßt sich die Kühlwalze auch mit Drehrichtung entgegen dem Fadenlauf antreiben. Somit bewegen sich der Faden und die Fadenlaufspur in entgegengesetzte Richtung, was zu einer hohen Fadenreibung bei der Benetzung des Fadens führt. Durch die Verwendung eines steuerbaren Elektromotors läßt sich unabhängig von der gewickelten Drehrichtung eine Anpassung der Umfangsgeschwindigkeit der Kühlwalze an jede eingestellte Fadenlaufgeschwindigkeit innerhalb der Texturierzone erreichen.The particularly advantageous developments of the invention according to claim 2 and 3 have the advantage that the thread friction during wetting of the thread is adjustable. For this purpose, the cooling roller is driven by a cooling roller drive, which is preferably designed as an electric motor. The chill roll can thereby be driven both with the direction of rotation in the threadline and with the direction of rotation against threadline. In order to obtain the lowest possible yarn friction, the cooling roller is driven in the direction of rotation in yarn path. Thus, the thread friction can be minimized in a state in which the thread and the thread running track of the cooling roller have the same speeds. In order to produce, for example, a higher thread friction in other types of yarn, the cooling roller can also drive with the direction of rotation against the yarn path. Thus, the thread and the thread running track move in the opposite direction, resulting in a high thread friction in the wetting of the thread. By using a controllable electric motor can be independent of the wound direction of rotation to achieve an adjustment of the peripheral speed of the cooling roller to each set yarn running speed within the texturing.

Um bei hohen Fadenlaufgeschwindigkeiten über 1.000 m/min. eine ausreichend große Menge an Kühlfluid in der Fadenlaufspur vorzuhalten, ist die Fadenlaufspur gemäß einer vorteilhafte Weiterbildung bevorzugt als eine Nut am Umfang der Kühlwalze ausgebildet. Der Faden wird zur Benetzung somit innerhalb der Nut am Umfang der Kühlwalze geführt. Der Querschnitt der Nut ist derart ausgebildet, daß selbst bei größeren Umfangsgeschwindigkeiten der Kühlwalze ein Anhaften des Kühlfluids im Nutgrund gewährleistet bleibt.At high yarn speeds over 1,000 m / min. to maintain a sufficiently large amount of cooling fluid in the thread running track, the thread running track is preferably designed according to an advantageous development as a groove on the circumference of the cooling roller. The thread is thus guided for wetting within the groove on the circumference of the cooling roller. The cross section of the groove is formed such that even with larger peripheral speeds of the cooling roller, an adhesion of the cooling fluid in the groove bottom remains ensured.

Das Kühlfluid wird dabei vorzugsweise durch eine Dosiereinrichtung der Fadenlaufspur am Umfang der Kühlwalze zugeführt. Die Dosiereinrichtung kann dabei als ein Tauchbad ausgebildet sein, welches ein Vorrat an Kühlfluid enthält und in welches der Umfang der Kühlwalze teilweise eintaucht.The cooling fluid is preferably supplied through a metering device of the yarn guide track on the circumference of the cooling roller. The metering device can be designed as a dip bath, which contains a supply of cooling fluid and in which the circumference of the cooling roller partially dips.

Es ist jedoch auch möglich, die Dosiereinrichtung durch eine Düse zu bilden, welche im Innern der Kühlwalze oder außerhalb der Kühlwalze angeordnet ist, um das Kühlfluid der Fadenlaufspur zuzuführen.However, it is also possible to form the metering device through a nozzle which is arranged in the interior of the cooling roller or outside the cooling roller in order to supply the cooling fluid to the thread running track.

Bei einer besonders vorteilhaften Weiterbildung der Erfindung ist vorgesehen, die Heizeinrichtung, die Kühlwalze und die Kühleinrichtung zu einem im wesentlichen geraden Fadenlauf anzuordnen. Damit läßt sich eine Texturierzone bilden, bei welcher zusätzliche Fadenführungen und damit Fadenreibungen vermieden werden.In a particularly advantageous embodiment of the invention, it is provided to arrange the heating device, the cooling roller and the cooling device to a substantially straight yarn path. This can form a texturing zone, in which additional thread guides and thus yarn friction can be avoided.

Derartige reibungsarme Texturierzonen lassen sich jedoch auch vorteilhaft bei einem abknickenden Fadenlauf zwischen der Heizeinrichtung und der Kühleinrichtung dadurch erreichen, daß die Fadenumlenkung durch die Kühlwalze erfolgt. Eine derartige Weiterbildung der Erfindung ist somit besonders geeignet, um einen kompakten Maschinenaufbau zu erreichen. Die Heizeinrichtung und die Kühleinrichtung sind hierzu vorzugsweise V-förmig in einem Maschinengestell gehalten, wobei in der Spitze der V-förmigen Anordnung die Kühlwalze zur Umlenkung des Fadens angeordnet ist.However, such low-friction texturing zones can also be achieved advantageously in the event of a kinked yarn path between the heating device and the cooling device in that the yarn deflection takes place through the cooling roller. Such a development of the invention is thus particularly suitable for achieving a compact machine structure. For this purpose, the heating device and the cooling device are preferably held in a V-shaped manner in a machine frame, wherein the cooling roller for deflecting the thread is arranged in the tip of the V-shaped arrangement.

Um möglichst mehrere parallel laufende Fäden gleichzeitig zu benetzen, ist gemäß einer vorteilhaften Weiterbildung der Erfindung vorgesehen, die Kühlwalze am Umfang mit mehreren parallel zueinander laufenden Fadenlaufspuren auszuführen. Dabei läßt sich jeder Fadenlaufspur eine separate Dosiereinrichtung oder eine gemeinsame Dosiereinrichtung zuordnen.In order to simultaneously wet several parallel threads at least, is provided according to an advantageous embodiment of the invention to perform the cooling roller on the circumference with several parallel running yarn tracks. In this case, each thread running track can be assigned a separate metering device or a common metering device.

Da die intensive Kühlung des Fadens durch ein Kühlfluid unmittelbar am Ausgang des Heizers mit ein verdampfendes Kühlfluid einhergeht, ist die Kühlwalze gemäß einer vorteilhaften Weiterbildung innerhalb einer Sammelkammer angeordnet, so daß die erzeugten Dämpfe durch eine an der Sammelkammer angeschlossene Absaugeinrichtung abführbar sind.Since the intensive cooling of the thread is accompanied by a cooling fluid immediately at the outlet of the heater with a vaporizing cooling fluid, which is Chill roller arranged according to an advantageous development within a collection chamber, so that the vapors generated by a connected to the collection chamber suction device can be discharged.

Weitere Vorteile und positive Auswirkungen der Erfindung sind anhand einiger Ausführungsbeispiele der erfindungsgemäßen Texturiermaschine unter Hinweis auf die beigefügten Zeichnungen nachfolgend näher beschrieben.Further advantages and positive effects of the invention are described in more detail below with reference to some embodiments of the texturing machine according to the invention with reference to the accompanying drawings.

Es stellen dar:

Fig. 1
schematisch eine Bearbeitungsstelle eines Ausführungsbeispieles der erfindungsgemäßen Texturiermaschine
Fig. 2
schematisch eine Querschnittsansicht der Benetzungseinrichtung der erfindungsgemäßen Texturiermaschine aus Fig. 1
Fig. 3
schematisch eine Querschnittsansicht eines weiteren Ausführungsbeispieles einer Benetzungseinrichtung
Fig. 4
schematisch ein weiteres Ausführungsbeispiel einer erfindungsgemäßen Texturiermaschine mit einer Kühlwalze nach Fig. 3
They show:
Fig. 1
schematically a processing point of an embodiment of the texturing machine according to the invention
Fig. 2
schematically a cross-sectional view of the wetting device of the texturing machine according to the invention from FIG. 1
Fig. 3
schematically a cross-sectional view of another embodiment of a wetting device
Fig. 4
schematically another embodiment of a texturing machine according to the invention with a cooling roller of Fig. 3rd

In Fig. 1 ist eine Bearbeitungsstelle eines ersten Ausführungsbeispieles einer erfindungsgemäßen Texturiermaschine schematisch dargestellt. Auf die Darstellung der Gestellteile eines Maschinengestells zur Fixierung der einzelnen Prozeßaggregate wurde hierbei verzichtetIn Fig. 1, a processing point of a first embodiment of a texturing machine according to the invention is shown schematically. On the presentation of the frame parts of a machine frame for fixing the individual processing units was omitted here

In einem Gattergestell 3 ist eine Vorlagespule 1 gehalten. Die Vorlagespule 1 enthält einen Faden 2, der durch ein erstes Lieferwerk 4 von der Vorlagespule 1 abgezogen wird. Dem ersten Lieferwerk 4 ist eine Heizeinrichtung 5, eine Benetzungseinrichtung 6, eine Kühleinrichtung 9, ein Texturieraggregat 10 sowie ein zweites Lieferwerk 11 im Fadenlauf nachgeordnet. Von dem zweiten Lieferwerk 11 wird der Faden 2 zu einer Aufwickeleinrichtung 12 geführt. In der Aufwickeleinrichtung 12 wird der Faden 2 zu einer Spule 15 gewickelt. Die Aufwickeleinrichtung 12 besteht aus einer Treibwalze 13, einer Changiereinrichtung 14 sowie einen Spulenhalter 16. Hierbei wird die Spule 15 durch die Treibwalze 13 mit im wesentlichen konstanter Geschwindigkeit angetrieben.In a gate frame 3, a supply spool 1 is held. The feed bobbin 1 contains a thread 2, which is pulled off by a first delivery mechanism 4 from the supply spool 1. The first delivery mechanism 4 is followed by a heating device 5, a wetting device 6, a cooling device 9, a texturing unit 10 and a second delivery mechanism 11 in the yarn path. From the second Delivery mechanism 11, the thread 2 is guided to a winding device 12. In the winding device 12, the thread 2 is wound into a coil 15. The winding device 12 consists of a drive roller 13, a traversing device 14 and a bobbin holder 16. In this case, the coil 15 is driven by the drive roller 13 at a substantially constant speed.

Innerhalb der zwischen dem ersten Lieferwerk 4 und dem Texturieraggregat 10 ausgebildeten Texturierzone ist die Benetzungseinrichtung 6 zwischen der Heizeinrichtung 5 und der Kühleinrichtung 9 angeordnet. Die Benetzungseinrichtung 6 weist eine drehbar gelagerte Kühlwalze 7 auf, die nachfolgend noch näher beschrieben wird. Die Kühlwalze 7 ist in einer Sammelkammer 8 angeordnet. Die Sammelkammer 8 ist in einer hier nicht dargestellten Absaugeinrichtung angeschlossen.Within the texturing zone formed between the first delivery mechanism 4 and the texturing unit 10, the wetting device 6 is arranged between the heating device 5 and the cooling device 9. The wetting device 6 has a rotatably mounted cooling roller 7, which will be described in more detail below. The cooling roller 7 is arranged in a collecting chamber 8. The collecting chamber 8 is connected in a suction device, not shown here.

Bei der in Fig. 1 dargestellten erfindungsgemäßen Texturiermaschine wird der Faden 2 nach Abzug von der Vorlagespule 1 innerhalb einer Texturierzone verstreckt und gleichzeitig texturiert. Zum Texturieren wird an dem Faden 2 durch das Texturieraggregat 10, das vorzugsweise durch ein Friktionsgeber gebildet ist, ein Falschdrall erzeugt. Der Falschdrall pflanzt sich in dem Faden 2 entgegen der Fadenlaufrichtung innerhalb der Texturierzone zurück, so daß durch die in der Texturierzone angeordnete Heizeinrichtung 6 und nachgeordnete Kühleinrichtung 9 eine Kräuselung des mulitfilen Fadens 2 stattfindet. Die Heizeinrichtung 6 ist vorzugsweise als Hochtemperaturheizer ausgebildet, dessen Heizoberflächen mit einer Temperatur oberhalb der Schmelztemperatur des Fadens beheizt ist. Der Faden 2 wird hierzu im wesentlichen ohne Kontakt durch die Heizeinrichtung 6 geführt. Es ist jedoch auch möglich, die Heizeinrichtung 5 durch einen Kontaktheizer zu bilden. Nach der Wärmebehandlung wird der Faden in die Benetzungseinrichtung 6 geführt. Hierzu tritt der Faden 2 über einen Fadeneinlaß in die Sammelkammer 8 ein und trifft auf die mit einer Umfangsgeschwindigkeit angetriebenen Kühlwalze 7. Am Umfang der Kühlwalze 7 ist in einer Fadenlaufspur ein Kühlfluid vorgehalten, durch welches der erhitzte Faden 2 benetzt wird. Die Menge des Kühlfluids, die auf den Faden 2 aufgegeben wird, ist derart bemessen, daß der Faden nach Verlassen der Sammelkamnier 8 keine Kühlfluidrückstände mehr aufweist, da diese innerhalb der Sammelkammer 8 verdampft sind. Der dabei entstehende Dampf wird durch die hier nicht dargestellte Absaugeinrichtung abgeführt.In the texturing machine according to the invention shown in Fig. 1, the yarn 2 is drawn after deduction of the supply spool 1 within a texturing and simultaneously textured. For texturing, a false twist is generated on the thread 2 by the texturing unit 10, which is preferably formed by a friction encoder. The false twist propagates in the yarn 2 counter to the thread running direction within the texturing zone, so that a crimping of the mulitfilen thread 2 takes place by the arranged in the texturing zone heater 6 and downstream cooling device 9. The heating device 6 is preferably designed as a high-temperature heater whose heating surfaces is heated at a temperature above the melting temperature of the thread. The thread 2 is guided for this purpose substantially without contact by the heater 6. However, it is also possible to form the heater 5 through a contact heater. After the heat treatment, the thread is guided into the wetting device 6. For this purpose, the thread 2 enters via a thread inlet into the collection chamber 8 and strikes the driven with a peripheral speed cooling roller 7. At the periphery of the cooling roller 7, a cooling fluid is held in a thread running track, through which the heated yarn. 2 is wetted. The amount of the cooling fluid, which is applied to the yarn 2, is dimensioned such that the yarn after leaving the Sammelkamnier 8 no longer has any cooling fluid residues, since they are vaporized within the collection chamber 8. The resulting steam is removed by the suction device, not shown here.

Nach der Vorkühlung des Fadens 2 erfolgt eine Restkühlung des Fadens 2 innerhalb der Kühleinrichtung 9. Die Kühleinrichtung 9 könnte hierzu als eine Kühlschiene oder als ein Kühlrohr ausgebildet sein, an dessen Oberfläche der Faden mit Kontakt geführt wird. Es ist jedoch auch möglich die Kühleinrichtung durch eine freie Kühlzone zu bilden, in welcher der Faden ohne Kontakt durch eine Fremdluft oder Umgebungsluft gekühlt wird.After the pre-cooling of the thread 2, a residual cooling of the thread 2 takes place within the cooling device 9. For this purpose, the cooling device 9 could be designed as a cooling rail or as a cooling tube, on the surface of which the thread is brought into contact. However, it is also possible to form the cooling device through a free cooling zone, in which the thread is cooled without contact by an external air or ambient air.

Nach Abkühlung durchläuft der Faden 2 das Texturieraggregat 10 und wird durch das zweite Lieferwerk 11 zu der Aufwickeleinrichtung 12 geführt. Das erste Lieferwerk 4 und das zweite Lieferwerk 11 sind mit einer Differenzgeschwindigkeit angetrieben, so daß der Faden 2 gleichzeitig verstreckt wird.After cooling, the thread 2 passes through the texturing unit 10 and is guided by the second delivery mechanism 11 to the winding device 12. The first delivery mechanism 4 and the second delivery mechanism 11 are driven at a differential speed, so that the yarn 2 is stretched simultaneously.

Bei dem in Fig. 1 ausgeführten Ausführungsbeispiel der Texturiermaschine ist das erste Lieferwerk 4, die Heizeinrichtung 5, die Benetzungseinrichtung 6, die Kühleinrichtung 9 und das Texturieraggregat 10 in einer Fadenlaufebene angeordnet. Damit wird ein gerader Fadenlauf innerhalb der Texturierzone erreicht, der keine zusätzlichen Fadenführungselemente benötigt. Um die Fadenreibung beim Benetzen des Fadens auf die erforderlichen Werte einstellen zu können, ist die Kühlwalze 7 über einen Walzenantrieb angetrieben. In Fig. 2 ist ein Beispiel der Kühlwalze 7 schematisch in einer Querschnittsansicht dargestellt. Die Kühlwalze 7 besitzt einen Walzenmantel 18, der durch eine Nabe 19 mit einem freien Ende einer Motorwelle 20 verbunden. Die Motorwelle 20 wird über einen Elektromotor 21 derart drehbar angetrieben, daß die Kühlwalze 7 in Fadenlaufrichtung rotierend (wie in Fig. 1 dargestellt) angetrieben wird. Am Umfang der Kühlwalze 7 ist eine Fadenlaufspur 24 in Form einer umlaufenden Nut 17 ausgebildet. Die Nut 17 besitzt einen V-förmigen Querschnitt, wobei die Nutflanken der Nut 17 einen Winkel von vorzugsweise <90° bilden. Der Kühlwalze 7 ist eine Dosiereinrichtung 25 zugeordnet. In diesem Ausführungsbeispiel ist die Dosiereinrichtung 25 durch ein Tauchbad 22 gebildet, das ein Kühlfluid 23 bevorratet. Die Kühlwalze 7 und das Tauchbad 22 sind derart zueinander angeordnet, daß die Kühlwalze segmentförmig in das Kühlfluid 23 innerhalb des Tauchbades 22 eintaucht. Die Eintauchtiefe der Kühlwalze 7 ist derart bemessen, daß der Nutquerschnitt der Nut 17 am Umfang der Kühlwalze 7 innerhalb des Tauchbades 22 vollständig mit dem Kühlfluid 23 gefüllt ist. Auf der zum Tauchbad 22 gegenüberliegenden Seite der Kühlwalze 7 wird der Faden 2 in der Nut 17 am Umfang der Kühlwalze 7 geführt.In the exemplary embodiment of the texturing machine shown in FIG. 1, the first delivery mechanism 4, the heating device 5, the wetting device 6, the cooling device 9 and the texturing unit 10 are arranged in a thread running plane. This achieves a straight thread run within the texturing zone, which does not require additional thread guide elements. In order to adjust the thread friction when wetting the thread to the required values, the cooling roller 7 is driven by a roller drive. 2, an example of the cooling roller 7 is shown schematically in a cross-sectional view. The cooling roll 7 has a roll shell 18 which is connected by a hub 19 to a free end of a motor shaft 20. The motor shaft 20 is rotatably driven via an electric motor 21 such that the cooling roller 7 is rotationally driven in the thread running direction (as shown in Fig. 1). On the circumference of the cooling roller 7 is a thread running track 24 in the form of a circumferential Groove 17 formed. The groove 17 has a V-shaped cross-section, wherein the groove flanks of the groove 17 form an angle of preferably <90 °. The cooling roller 7 is associated with a metering device 25. In this embodiment, the metering device 25 is formed by an immersion bath 22, which stores a cooling fluid 23. The cooling roller 7 and the immersion bath 22 are arranged relative to one another in such a way that the cooling roller dips segment-shaped into the cooling fluid 23 within the immersion bath 22. The immersion depth of the cooling roller 7 is dimensioned such that the groove cross section of the groove 17 is completely filled on the circumference of the cooling roller 7 within the dip bath 22 with the cooling fluid 23. On the opposite side of the cooling roller 7 to the immersion bath 22, the yarn 2 is guided in the groove 17 on the circumference of the cooling roller 7.

Durch die Rotation der Kühlwalze 7 wird eine ständig in der Nut 17 gehaltenen Menge an Kühlfluid 23 aus dem Tauchbad 22 herausgefördert und zu der Kontaktstelle zwischen dem laufenden Faden 2 und der Kühlwalze 7 gefördert. Das von dem Faden 2 zur Benetzung aus der Nut 17 aufgenommene Kühlfluid 23 wird somit durch Rotation der Kühlwalze 7 ständig erneuert, wobei eine zwischen der Nut 17 und dem Faden 2 entstehende Fadenreibung von der Relativgeschwindigkeit zwischen dem Faden 2 und der Nut 17 abhängig ist. Hierbei kann die Kühlwalze 7 durch den Elektromotor 21 mit einer derartigen Umfangsgeschwindigkeit angetrieben werden, daß eine möglichst geringe Fadenreibung an dem Faden 2 wirkt. Damit wird andererseits auch sichergestellt, daß bei Kontakt mit dem erhitzten Faden keine mechanische Schädigungen wie Filamentbrüche an dem Faden auftreten können.Due to the rotation of the cooling roller 7, a quantity of cooling fluid 23 held constantly in the groove 17 is conveyed out of the dipping bath 22 and conveyed to the point of contact between the running thread 2 and the cooling roller 7. The cooling fluid 23 received by the thread 2 for wetting from the groove 17 is thus constantly renewed by rotation of the cooling roller 7, whereby a thread friction arising between the groove 17 and the thread 2 is dependent on the relative speed between the thread 2 and the groove 17. Here, the cooling roller 7 can be driven by the electric motor 21 at such a peripheral speed, that the lowest possible yarn friction acts on the yarn 2. On the other hand, this also ensures that upon contact with the heated thread no mechanical damage such as filament breaks can occur on the thread.

In Fig. 3 ist schematisch ein weiteres Ausführungsbeispiel einer Benetzungseinrichtung mit einer drehbaren Kühlwalze 7 gezeigt. Der Kühlwalze 7 sind am Umfang mehrere parallel verlaufende Fadenlaufspuren 24 ausgebildet. Gezeigt sind -in diesem Ausführungsbeispiel drei nebeneinander verlaufende Fadenlaufspuren 24. Jede der Fadenlaufspuren 24 wird durch einen am Umfang der Kühlwalze 7 befestigten Benetzungsring 27 gebildet. Der Benetzungsring 27 ist aus einem porösen Material gebildet, welches flüssigkeitsdurchlässig ist. Im Innern der Kühlwalze 7 ist eine Dosiereinrichtung 25 angeordnet, die mehrere Düsen 26 aufweist. Die Düsen 26 sind im Innern den Benetzungsringen 27 im Walzenmantel 18 der Kühlwalze 7 zugeordnet. Zur Benetzung der Benetzungsringe 27 könnten Öffnungen im Walzenmantel 18 ausgebildet sein, so daß ein unmittelbarer Kontakt zwischen den aus den Düsen 26 austretenden Kühlfluid mit den Benetzungsringen 25 stattfindet. In den Fadenlaufspuren 24 am Umfang der Benetzungsringe 27 wird jeweils ein Faden mit Kontakt geführt, so daß eine gleichzeitige Benetzung mehrerer Fäden durch die Kühlwalze ausführbar ist.In Fig. 3, a further embodiment of a wetting device with a rotatable cooling roller 7 is shown schematically. The cooling roller 7 are formed on the circumference a plurality of parallel yarn running tracks 24. Shown are - in this embodiment, three side by side running thread tracks 24. Each of the thread running tracks 24 is formed by a widening ring 27 attached to the circumference of the cooling roller 7. The wetting ring 27 is formed of a porous material which is liquid-permeable. in the Inside the cooling roller 7, a metering device 25 is arranged, which has a plurality of nozzles 26. The nozzles 26 are assigned to the wetting rings 27 in the roll shell 18 of the cooling roller 7 inside. To wetting the wetting rings 27 openings could be formed in the roll shell 18, so that a direct contact between the emerging from the nozzles 26 cooling fluid takes place with the wetting rings 25. In the yarn tracks 24 on the circumference of the wetting rings 27, a respective thread is guided with contact, so that a simultaneous wetting of a plurality of threads through the cooling roller is executable.

Bei dem in Fig. 3 gezeigten Ausführungsbeispiel der Benetzungseinrichtung besteht jedoch auch die Möglichkeit, daß die Dosiereinrichtung außerhalb der Kühlwalze angeordnet ist, so daß die Düsen das Kühlfluid von außen auf die Benetzungsringe aufsprühen.In the embodiment of the wetting device shown in Fig. 3, however, there is also the possibility that the metering device is arranged outside the cooling roller, so that the nozzles spray the cooling fluid from the outside onto the wetting rings.

In Fig. 4 ist schematisch ein weiteres Ausführungsbeispiel der erfindungsgemäßen Texturiermaschine dargestellt, bei welchem eine in Fig. 3 gezeigte Benetzungseinrichtung vorgesehen ist.FIG. 4 schematically shows a further embodiment of the texturing machine according to the invention, in which a wetting device shown in FIG. 3 is provided.

Die Texturiermaschine weist in Längsrichtung - in der Fig. 4 ist die Zeichnungsebene gleich der Querebene - eine Vielzahl von Bearbeitungsstellen auf, wo in jeder Bearbeitungsstellen je ein Faden geführt, texturiert, verstreckt und aufgewickelt wird. Die Aufwickeleinrichtungen 12 nehmen eine Breite von drei Bearbeitungsstellen ein, somit sind jeweils drei Aufwickeleinrichtungen 12 übereinander angeordnet.In the longitudinal direction-in FIG. 4, the plane of the drawing is equal to the transverse plane-the texturing machine has a multiplicity of processing points, where in each processing point one thread is guided, textured, stretched and wound up. The take-up devices 12 occupy a width of three processing points, thus each three take-up devices 12 are arranged one above the other.

Zur Aufnahme der Prozeßaggregate weist die Texturiermaschine ein Maschinengestell 28 auf Die Beschreibung der an dem Maschinengestell 28 -gehaltenen Prozeßaggregate erfolgt anhand des Fadenlaufs eines von einer Vorlagenspule 1 abgezogenen Faden 2. Wie in Fig. 4 dargestellt sind mehrere Vorlagespulen 1 in einem Gattergestell 3 angeordnet und den jeweiligen Bearbeitungsstellen zugeordnet. In der Bearbeitungsstelle wird der Faden 2 durch ein erstes Lieferwerk 4 über eine erste Umlenkrolle 29.1 und eine zweite Umlenkrolle 29.2 von der Vorlagespule 1 abgezogen. In Fadenlaufrichtung hinter dem ersten Lieferwerk 4 befindet sich eine langgestreckte Heizeinrichtung 5, durch welche der Faden 2 läuft, wobei der Faden auf eine bestimmte Temperatur erwärmt wird. In Fadenlaufrichtung hinter der Heizeinrichtung 5 ist ein Kühleinrichtung 9 vorgesehen. Die Heizeinrichtung 5 und die Kühleinrichtung 9 sind in einem abknickenden Fadenverlauf V-förmig zueinander angeordnet und werden an dem Maschinengestell 28 oberhalb eine Bedienganges 5 gehalten. Der Faden 2 überquert den Bediengang 5 somit in einem V-förmigen Fadenlauf.The texturing machine has a machine frame 28 for receiving the processing units. The description of the processing units held on the machine frame 28 is based on the thread run of a thread 2 withdrawn from a document spool 1. As shown in FIG. 4, several feed spools 1 are arranged in a gate frame 3 and assigned to the respective processing stations. In the processing point, the thread 2 through a first delivery mechanism 4 via a first guide roller 29.1 and a second guide roller 29.2 deducted from the supply spool 1. In the thread running direction behind the first delivery mechanism 4 is an elongate heater 5, through which the thread 2 is running, wherein the thread is heated to a certain temperature. In the thread running direction behind the heater 5, a cooling device 9 is provided. The heating device 5 and the cooling device 9 are arranged in a kinked thread course V-shaped to each other and are held on the machine frame 28 above an operating gear 5. The thread 2 thus crosses the operating gear 5 in a V-shaped threadline.

Zwischen der Heizeinrichtung 5 und der Kühleinrichtung 9 ist die Benetzungseinrichtung 6 angeordnet Die Benetzungseinrichtung 6 ist entsprechend dem Ausführungsbeispiel aus Fig. 3 aufgebaut, so daß an diese Stelle Bezug auf die vorhergehende Beschreibung genommen wird. Die Kühlwalze 7 ist am obersten Punkt zwischen der Heizeinrichtung 5 und der Kühleinrichtung 9 angeordnet, so daß der Faden bei Umschlingung der Kühlwalze 7 zusätzliche umgelenkt wird. Entgegen dem vorherigen Ausführungsbeispiel der Texturiermaschine nach Fig. 1 wird hierbei die Kühlwalze 7 durch den Kühlwalzenantrieb 21 mit Drehrichtung entgegen dem Fadenlauf angetrieben. Die Kühlwalze 7 ist innerhalb der Sammelkammer 8 angeordnet, die mit einer Absaugeinrichtung gekoppelt ist, so daß die bei der Benetzung der Fäden anfallender Dampf unmittelbar abgeführt werden kann.The wetting device 6 is arranged between the heating device 5 and the cooling device 9. The wetting device 6 is constructed in accordance with the embodiment of FIG. 3, so that reference is made here to the preceding description. The cooling roller 7 is arranged at the uppermost point between the heater 5 and the cooling device 9, so that the yarn is additionally deflected when looping the cooling roller 7. Contrary to the previous embodiment of the texturing machine according to FIG. 1, in this case the cooling roller 7 is driven by the cooling roller drive 21 with a direction of rotation counter to the thread run. The cooling roll 7 is disposed within the collection chamber 8, which is coupled to a suction device, so that the incurred in the wetting of the threads of steam can be dissipated directly.

Trotz des geknickten Fadenlaufs innerhalb der Texturierzone wird auch bei diesem Ausführungsbeispiel im wesentlichen keine zusätzlichen Fadenführungselemente benötigt. Die Fadenspannung innerhalb der Texturierzone läßt sich somit vorteilhaft durch den Walzenantrieb 21 der Kühlwalze 7 beeinflussen. So könnte beispielsweise der Walzenantrieb der Kühlwalze 7 mit einer Steuereinrichtung verbunden sein, welche mit einem Fadenspannungssensor gekoppelt ist. Somit könnte neben der Benetzung des Fadens gleichzeitig eine vorbestimmte Fadenspannung innerhalb der Texturierzone durch den Walzenantrieb 21 der Kühlwalze 7 geregelt werden.Despite the kinked yarn path within the texturing zone, no additional thread guide elements are needed in this embodiment substantially. The thread tension within the texturing zone can thus be influenced advantageously by the roller drive 21 of the cooling roller 7. Thus, for example, the roller drive of the cooling roller 7 could be connected to a control device which is coupled to a thread tension sensor. Thus, in addition to the wetting of the yarn, a predetermined yarn tension within the texturing zone could be simultaneously controlled by the roll drive 21 of the cooling roll 7.

In Fadenlaufrichtung unterhalb der Kühleinrichtung 9 ist an dem Maschinengestell 28 das Texturieraggregat 10, ein zweites Lieferwerk 11 und ein drittes Lieferwerk 30 gehalten. Dabei wird der Faden 2 vom Ausgang der Kühleinrichtung 9, die vorzugsweise durch ein Kühlrohr gebildet wird, zu dem Texturieraggregat 10 geführt. Das Texturieraggregat 10, das beispielsweise durch mehrere sich überlappende Friktionsscheiben gebildet sein kann, wird durch einen Texturierantrieb 36 vorzugsweise einen Elektromotor angetrieben.In the thread running direction below the cooling device 9, the texturing unit 10, a second delivery mechanism 11 and a third delivery mechanism 30 are held on the machine frame 28. In this case, the yarn 2 is guided from the outlet of the cooling device 9, which is preferably formed by a cooling tube, to the texturing unit 10. The texturing unit 10, which may be formed for example by a plurality of overlapping friction disks, is preferably driven by a texturing drive 36, an electric motor.

Unterhalb des zweiten Lieferwerkes 11 ist ein drittes Lieferwerk 30 angeordnet, welches im Faden 2 unmittelbar in einer Set-Heizeinrichtung 31 führt. Die Set-Heizeinrichtung 31 ist hierzu an der Unterseite des Maschinengestells 28 gehalten. Der Faden 2 wird über ein weiteres viertes Lieferwerk 32 aus der Set-Heizeinrichtung 31 geführt und zur Aufwickeleinrichtung 12 gefördert. Das dritte Lieferwerk 30 und das vierte Lieferwerk 32 werden mit ein derartigen Differenzgeschwindigkeit angetrieben, daß eine Schrumpfbehandlung des Fadens 2 innerhalb der Set-Heizeinrichtung 31 möglich ist.Below the second delivery mechanism 11, a third delivery mechanism 30 is arranged, which leads in the thread 2 directly in a set heating device 31. The set heater 31 is held on the underside of the machine frame 28 for this purpose. The thread 2 is guided over another fourth delivery mechanism 32 from the set heater 31 and conveyed to the take-up device 12. The third delivery mechanism 30 and the fourth delivery mechanism 32 are driven at a differential speed such that a shrinkage treatment of the thread 2 within the set heater 31 is possible.

Die Lieferwerke 4, 11, 30 und 32 sind in diesem Ausführungsbeispiel in ihrem Aufbau identisch gewählt, so daß am Beispiel des ersten Lieferwerkes 5 diese nachfolgend erläutert sind. Jedes Lieferwerk wird durch eine Galette 34 und eine Überlaufrolle 35 gebildet. Die Galette 34 wird durch einen Galettenantrieb 33 angetrieben. Die Überlaufrolle 35 ist dabei frei drehbar gelagert, so daß der Faden 2 mit mehreren Umschlingungen über die Galette 34 und die Überlaufrolle 35 geführt wird.The delivery mechanisms 4, 11, 30 and 32 are selected identical in construction in this embodiment, so that the example of the first delivery mechanism 5, these are explained below. Each delivery mechanism is formed by a godet 34 and an overflow roller 35. The godet 34 is driven by a godet drive 33. The overflow roller 35 is freely rotatably mounted, so that the yarn 2 is guided with several wraps on the godet 34 and the overflow roller 35.

Die Aufwickeleinrichtung 12 ist bei diesem Ausführungsbeispiel ebenfalls schematisch durch eine Changiereinrichtung 14, eine Treibwalze 13 und eine Spule 15 gekennzeichnet. Die Spule 15 wird hierzu mittels eines Spulenhalters am Umfang der Treibwalze 13 gehalten.The winding device 12 is also characterized schematically in this embodiment by a traversing device 14, a drive roller 13 and a coil 15. The coil 15 is held by means of a coil holder on the circumference of the drive roller 13 for this purpose.

In den vorhergehenden Ausführungsbeispielen ist die Kühlwalze 7 durch einen Einzelantrieb angetrieben. Da derartige Texturiermaschinen üblicherweise eine Vielzahl von Bearbeitungsstellen nebeneinander aufweisen, ist es auch möglich, eine Kühlwalze mit einer Vielzahl von Fadenlaufspuren durch einen Antrieb anzutreiben, oder mehrere den Bearbeitungsstellen zugeordnete Kühlwalzen durch Gruppenantriebe anzutreiben. Ebenso sind die Aufbauten der dargestellten Ausführungsbeispiele der erfindungsgemäßen Texturiermaschine beispielhaft. Die Anzahl und Ausbildung der Prozeßaggregate vor der Benetzungseinrichtung und nach der Benetzungseinrichtung sind beliebig und durch gleichartige Baugruppen ersetzbar. Wesentlich hierbei ist die intensive Vorkühlung durch eine Kontaktbenetzung des Fadens in der erfindungsgemäßen Art und Weise.In the preceding embodiments, the cooling roller 7 is driven by a single drive. Since such texturing usually have a plurality of processing stations side by side, it is also possible to drive a cooling roller with a plurality of yarn tracks by a drive, or drive a plurality of processing stations associated cooling rollers by group drives. Likewise, the structures of the illustrated embodiments of the texturing machine according to the invention are exemplary. The number and design of process units before the wetting device and after the wetting device are arbitrary and can be replaced by similar assemblies. Essential here is the intensive precooling by a contact wetting of the thread in the manner according to the invention.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Vorlagespulesupply bobbin
22
Fadenthread
33
Gattergestellcreel frame
44
Erstes LieferwerkFirst delivery plant
55
Heizeinrichtungheater
66
BenetzungseinrichtungWetting device
77
Kühlwalzechill roll
88th
Sammelkammerplenum
99
Kühleinrichtungcooling device
1010
Texturieraggregattexturing
1111
Zweites LieferwerkSecond delivery mechanism
1212
Aufwickeleinrichtungtakeup
1313
Treibwalzedrive roll
1414
ChangiereinrichtungTraversing device
1515
SpuleKitchen sink
1616
Spulenhalterspool holder
1717
Nutgroove
1818
Walzenmantelroll shell
1919
Nabehub
2020
Motorwellemotor shaft
2121
Elektromotorelectric motor
2222
Tauchbaddip
2323
Kühlfluidcooling fluid
2424
FadenlaufsensorThread running sensor
2525
Dosiereinrichtungmetering
2626
Düsejet
2727
BenetzungsringWetting ring
2828
Maschinengestellmachine frame
29.1, 29.229.1, 29.2
Umlenkrollenguide rollers
3030
drittes Lieferwerkthird delivery plant
3131
Set-HeizeinrichtungSet heater
3232
Viertes LieferwerkFourth delivery plant
3333
Galettenantriebgodet
3434
GaletteGalette
3535
ÜberlaufrolleGuide roll
3636
TexturierantriebTexturierantrieb

Claims (12)

  1. Texturing machine for draw texturing at least one yam, with at least one first feed system (4), a heating device (5), a cooling device (9), a texturing unit (10), and a second feed system (11), with a wetting device (6) for wetting the advancing yam (2) being arranged between the heating device (5) and the cooling device (9), characterized in that the wetting device (6) comprises a rotatable cooling cylinder (7), which contains a cooling fluid in a yam track (24) on its circumference, and that the yam (2) can be guided in contact with the yarn track (24) on the circumference of the cooling cylinder (7).
  2. Texturing machine of claim 1, characterized in that a drive unit (21) is provided for driving the cooling cylinder (7), with the cooling cylinder (7) being drivable with a direction of rotation in the path of the advancing yarn or with a direction of rotation opposite to the path of the advancing yam.
  3. Texturing machine of claim 2, characterized in that the cooling cylinder drive unit is formed by an electric motor (21) which is controllable at a variable rotational speed as a function of the speed of the advancing yarn.
  4. Texturing machine of one of claims 1-3, characterized in that the yam track (24) is formed by a groove (17) on the circumference of the cooling cylinder (7), with the groove (17) containing the cooling fluid in the groove bottom.
  5. Texturing machine of one of claims 1-4, characterized in that the cooling fluid can be supplied to the yam track on the circumference of the cooling cylinder (7) by a metering device (25).
  6. Texturing machine of claim 5, characterized in that the metering device (25) is formed by a dip bath (22) which contains a supply of cooling fluid (23) and into which the circumference of the cooling cylinder (7) immerses in part.
  7. Texturing machine of claim 5, characterized in that the metering device (25) is formed by at least one nozzle (26) which is arranged in the interior of the cooling cylinder (7) or outside of the cooling cylinder (7) for supplying the cooling fluid to the yarn track.
  8. Texturing machine of one of the foregoing claims, characterized in that the heating device (5), the cooling cylinder (7), and the cooling device (9) are arranged to form a substantially straight yam path.
  9. Texturing machine of one of the foregoing claims, characterized in that the heating device (5), the cooling cylinder (7), and the cooling device (9) are arranged to form a bent yarn path, with the yam (2) being deflected by the cooling cylinder (7) between the heating device (5) and the cooling device (9).
  10. Texturing machine of claim 8 or 9, characterized in that the first feed system (4) and the heating device (5) are arranged to form a straight yarn path, and/or that the cooling device (9) and the texturing unit (10) are arranged to form a straight yam path.
  11. Texturing machine of one of the foregoing claims, characterized in that the cooling cylinder (7) comprises on its circumference a plurality of parallel extending yam tracks (24), with one yam being associated to each yarn track (24).
  12. Texturing machine of one of claims 1-11, characterized in that the cooling cylinder (7) is arranged inside a collection chamber (8) which connects to a suction device.
EP03720489A 2002-04-26 2003-04-17 Texturing machine Expired - Lifetime EP1501968B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10218748A DE10218748A1 (en) 2002-04-26 2002-04-26 texture machine
DE10218748 2002-04-26
PCT/EP2003/004045 WO2003091487A1 (en) 2002-04-26 2003-04-17 Texturing machine

Publications (2)

Publication Number Publication Date
EP1501968A1 EP1501968A1 (en) 2005-02-02
EP1501968B1 true EP1501968B1 (en) 2006-11-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03720489A Expired - Lifetime EP1501968B1 (en) 2002-04-26 2003-04-17 Texturing machine

Country Status (7)

Country Link
US (1) US7080501B2 (en)
EP (1) EP1501968B1 (en)
CN (1) CN1650055A (en)
AT (1) ATE345408T1 (en)
AU (1) AU2003224091A1 (en)
DE (2) DE10218748A1 (en)
WO (1) WO2003091487A1 (en)

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Publication number Priority date Publication date Assignee Title
ITFI20070202A1 (en) * 2007-09-10 2009-03-11 Giudici S P A "TEXTURING-INTERLACING MACHINE WITH DOUBLE OVEN"
CN101768801A (en) * 2010-03-03 2010-07-07 苏州经贸职业技术学院 Preparation method and device of composite textured yarn
CN101966606B (en) * 2010-09-26 2011-12-07 南京航空航天大学 Method and device for controlling milling deformation of large sized structural member
CN103354847A (en) * 2011-02-08 2013-10-16 欧瑞康纺织有限及两合公司 Method and device for texturing a synthetic thread
DE102011108112A1 (en) 2011-07-20 2013-01-24 Oerlikon Textile Gmbh & Co. Kg Garnbehandlungskammer
CN103147192A (en) * 2013-02-22 2013-06-12 珠海醋酸纤维有限公司 Cooling water supply system for crimping machine
CN103966715B (en) * 2014-05-19 2016-03-23 苏州经贸职业技术学院 A kind of deformation of filament equipment
DE102015015261A1 (en) * 2015-11-26 2017-06-01 Oerlikon Textile Gmbh & Co. Kg False twist texturizing
DE102017104214A1 (en) * 2016-03-05 2017-09-07 Oerlikon Textile Gmbh & Co. Kg Device for wetting a running thread
CN109844195B (en) * 2016-10-08 2022-03-29 欧瑞康纺织有限及两合公司 Device for cooling a heated filament
CN108796886A (en) * 2018-08-30 2018-11-13 张家港市利佳纺织有限公司 A kind of coating spandex additive treating system
CN109837633B (en) * 2019-03-18 2021-07-20 张家港欣欣高纤股份有限公司 Polyester fiber's heat setting device
CN114959963A (en) * 2022-07-09 2022-08-30 马军 Be used for weaving air texturing machine sewage zero release apparatus for producing

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FR2273892A1 (en) * 1974-06-10 1976-01-02 Rhone Poulenc Textile PROCESS FOR TREATING TEXTILE YARNS AND DEVICE FOR ITS IMPLEMENTATION
FR2358486A1 (en) * 1976-07-12 1978-02-10 Asa Sa METHOD AND DEVICE FOR TREATMENT OF TEXTILE ARTICLES
DE2939281C2 (en) * 1979-09-28 1986-04-03 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Device for wetting a running thread
FR2717505B1 (en) * 1994-03-17 1996-05-15 Detex Device for drying and gluing a moving textile yarn and machine comprising such a device.
DE19753806A1 (en) * 1996-12-12 1998-06-18 Barmag Barmer Maschf Skewed multiple turn rollers for yarn washing in viscose filament yarn spinning
CN1079853C (en) * 1997-02-04 2002-02-27 巴马格股份公司 False twist texturizing machine
DE59807796D1 (en) 1997-05-24 2003-05-15 Barmag Barmer Maschf texturing
DE19843132A1 (en) * 1997-09-27 1999-04-08 Barmag Barmer Maschf Fluid applicator for a moving yarn
TW509738B (en) * 1999-03-25 2002-11-11 Barmag Barmer Maschf Lubrication apparatus and method of applying a lubricant

Also Published As

Publication number Publication date
EP1501968A1 (en) 2005-02-02
CN1650055A (en) 2005-08-03
DE50305686D1 (en) 2006-12-28
WO2003091487A1 (en) 2003-11-06
ATE345408T1 (en) 2006-12-15
US7080501B2 (en) 2006-07-25
DE10218748A1 (en) 2003-11-13
US20050055998A1 (en) 2005-03-17
AU2003224091A1 (en) 2003-11-10

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