EP2057311B1 - Verfahren zur thermischen behandlung eines laufenden garns sowie zwirnmaschine zur durchführung des verfahrens - Google Patents

Verfahren zur thermischen behandlung eines laufenden garns sowie zwirnmaschine zur durchführung des verfahrens Download PDF

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Publication number
EP2057311B1
EP2057311B1 EP07786133A EP07786133A EP2057311B1 EP 2057311 B1 EP2057311 B1 EP 2057311B1 EP 07786133 A EP07786133 A EP 07786133A EP 07786133 A EP07786133 A EP 07786133A EP 2057311 B1 EP2057311 B1 EP 2057311B1
Authority
EP
European Patent Office
Prior art keywords
yarn
thermal treatment
twisting machine
delivery
change
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.)
Not-in-force
Application number
EP07786133A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2057311A1 (de
Inventor
Siegfried Brenk
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
Original Assignee
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2057311A1 publication Critical patent/EP2057311A1/de
Application granted granted Critical
Publication of EP2057311B1 publication Critical patent/EP2057311B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/28—Heating or cooling arrangements for yarns
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
    • D01H13/304—Conditioning during spinning or twisting
    • 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
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
    • 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
    • D02J13/006—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a fluid bed

Definitions

  • the invention relates to a method for the treatment of a running yarn according to claim 1 and to a twisting machine for carrying out the method according to claim 5.
  • Both the EP 1 348 785 A1 and the DE 103 48 278 A1 show a device for thermal treatment, which is traversed by the yarn straight. In a Filtration chamber is blown for the thermal treatment of a pressurized gas or vapor treatment medium. The subsequent process of cooling leads to the fixation of the yarn.
  • the opposite inlet and outlet openings have thread locks, which serve to seal the thread treatment chamber to the environment.
  • the passage of the yarn through the device is achieved by a respective upstream of the device and a device downstream of the delivery mechanism.
  • the two delivery mechanisms of the respective work station are controlled in such a way that the yarn passing through the device is held essentially without tension.
  • the yarn like the DE 103 48 278 A1 shows, wound on a spool to be further processed to a secondary product, such as a carpet or the like.
  • the quality of a derived product produced from such a produced and treated yarn is determined inter alia on the basis of bulkiness.
  • the bulkiness should be for high-quality carpets, for example, the quality of Saxony, particularly high and, above all, even.
  • the influence on the bulkiness of the yarn fixed in the manner described above is determined in accordance with EP 1 348 785 A1 influenced by predetermined differential speeds of delivery mechanisms when passing through the device. For this purpose, a defined differential speed between the two delivery mechanisms is preset in order to achieve the achievement of predetermined property values of the yarn. A control that intervenes in case of deviations of the set speed difference due to interference, is not described.
  • the object is achieved by the method according to claim 1 and by the twisting machine according to claim 5.
  • the continuous yarn is applied by positionally variable means with a defined force, which caused by a change in the yarn tension due to disturbing influences during the thermal treatment of the yarn position change is used as a control variable for controlling at least one of the delivery mechanisms.
  • the application of a defined force to the continuous yarn causes the means to change as the speed of the delivery mechanisms changes due to disturbing influences resulting in a corresponding change in yarn tension Changes position experiences.
  • the change in the position of the funds is carried out according to the speed change of the delivery works. That is, with an increasing speed difference and an associated increase in the yarn tension or shortening of the yarn length, the position of the means is changed by one of the direction of action of the force applied to the yarn opposing movement of the means.
  • a reduction in the speed difference of the delivery mechanisms leads to a decrease in the yarn tension or an increase in the yarn length, which can lead to looping or winding formation.
  • the decrease in the yarn tension causes a dynamic change in position of the means such that the means changes its position in the direction of action of the applied force.
  • the position change of the means is used as a manipulated variable for controlling the speed of at least one of the delivery mechanisms.
  • the change in position of the means as a manipulated variable for controlling at least one of the delivery mechanisms, it can be ensured that the yarn guided through the thermal treatment device is always kept substantially constantly de-energized throughout the treatment process.
  • a change in the delivery speed of at least one of the two delivery mechanisms corresponding to the change in position is made in order to compensate for the occurring speed difference.
  • the control of at least one of the delivery mechanisms as a function of an occurring change in position of the means for influencing the yarn tension enables the elimination of disturbing influences such as the speed deviation of the delivery mechanisms or a production-related or wear-related diameter deviation of the delivery work rolls.
  • can be different pressure forces a resilient delivery role or different entrainment of the yarn through the Compensating delivery rolls of one or both delivery mechanisms, as well as different yarn shrinkage stresses, which lead to different strains of the yarn.
  • the compensation of the speed difference due to a speed deviation of the two delivery mechanisms and / or other aforementioned disturbing influences by the inventive method avoids winding due to loose yarn and thus the contact with hot surfaces of the device for thermal treatment, resulting in yarn breaks, a reduction in yarn quality or the like can lead.
  • the method can prevent the yarn from being fed too tightly through the device, thereby avoiding a bulking due to excessive yarn tension during the treatment of the yarn.
  • a wrong preset shrinkage of the yarn between the suppliers can be avoided, since the preset shrinkage is automatically adaptable to the corresponding material properties of the yarn to be treated by the inventive control of at least one of the two delivery mechanisms.
  • the setting of a safety cut at a preset maximum value for the shrinkage of the yarn may be dispensed with, since the preset value for the shrinkage, as already stated, is automatically adaptable to the properties of the yarn to be treated.
  • the magnitude of the force applied by the means may be up to 1 cN.
  • the force applied to the yarn is sufficiently large to cause a slight change in position of the yarn tensioning means even when a slight counterforce occurs, caused by a change in yarn tension due to the above-described disturbing influences.
  • the applied force is so low that the substantially de-energized state of the yarn in the thermal treatment apparatus during the treatment of the yarn is maintained at all times unless a malfunction occurs which breaks the entire production process.
  • the magnitude of the force applied by the means to the yarn can be kept constant. Due to the constant load on the running yarn by the force applied by the means in an order of magnitude smaller than 1 cN, the means and the control are simplified in their design.
  • saturated steam or superheated steam can be used for the thermal treatment of the yarn.
  • hot air can be used as a medium for thermal treatment.
  • a device for influencing the yarn tension which comprises means which are at least partially positionally variable, to act on the yarn with a defined force, wherein the device with a Control device is connected, which is set up to use the change in position of the means of the control device as a manipulated variable for controlling the speed of at least one of the delivery mechanisms.
  • the yarn acting on the force of a means of the device may be formed in its position changeable, which simplifies the structure of the device and thus makes it cheaper.
  • control device can be embodied as a central control device, as a control device operating in a sectional manner or as a control device which is provided at each workstation of the twisting machine which, among other things, controls at least one of the delivery mechanisms of each workstation of the twisting machine.
  • each workstation may have a sensor that determines the magnitude of the change in position of the device and forwards it to the control device.
  • This allows the dynamic adaptation of the delivery speed at each individual device for the thermal treatment of the yarn of a workstation of the twisting machine. As a result, it is possible to respond flexibly automatically to occurring, in particular also different, disturbing influences.
  • the device can be arranged in the region of one of the delivery mechanisms.
  • the device can be connected directly upstream of the delivery device downstream of the device or else already in the cooling zone upstream of this delivery device.
  • the device can be arranged pivotably on a delivery roller of one of the two delivery mechanisms about its axis of rotation.
  • the arrangement of the device takes place on one of the delivery rollers of the device for thermal Treatment downstream delivery plant.
  • the device is arranged in the region of at least one delivery mechanism such that the yarn is subjected to a force before it leaves the downstream delivery mechanism or before it enters the apparatus for thermal treatment.
  • the device may have a lever pivotable about the axis of rotation of a delivery roller with a deflection roller rotatably mounted on the lever.
  • the deflection of the lever is detected by means of the sensor system.
  • the data detected by the sensor data are forwarded to the control device and evaluated there.
  • at least one of the delivery mechanisms is influenced in its delivery speed in order to keep the running yarn substantially even without tension during its treatment.
  • the lever serves both to determine the change in position of the device, but can also serve to adjust the size of the force applied to the yarn, since the lever can also be used as a counterweight to the diverting pulley which directs the yarn with a direction perpendicular to the yarn direction defined force applied.
  • the device may be formed as an axially movable bolt.
  • the bolt is axially movably mounted in a bearing device, which is arranged in the region of at least one of the delivery mechanisms.
  • the bolt and the bearing device may also be accommodated in a housing which protects the bolt and the bearing device from influences that may affect the axial mobility of the bolt.
  • the arrangement of the bolt and its bearing device or the housing takes place in the region of at least one of the delivery mechanisms that the bolt continuous yarn can act with a directed perpendicular to the yarn direction defined force.
  • the device for thermal treatment of the yarn may be a steam fixing device. Thermofixing takes place by applying saturated steam or superheated steam to the running yarn in a steam treatment space arranged downstream of the yarn source and subsequent cooling.
  • Fig. 1 shows a schematic representation of a workstation 29 of a twisting machine.
  • the twisting machine is a textile machine with a plurality of adjacent workstations 29.
  • On each longitudinal side of the textile machine a number of identical workstations 29 is arranged in each case.
  • Each workstation 29 has a steam fixing device 1, which serves to fix the yarn 14 withdrawn from the twisting device.
  • each workstation 29 has a control device 13 which serves to control the components of the workstation 29.
  • a withdrawn from a twist pot 15 thread 17, a gate thread 18 is fed, which is twisted with this to a yarn 14.
  • the yarn 14 is pulled off by a merely indicated Garnabzugsvorraum 16.
  • the withdrawn yarn 14 leaves the region of the twisting device and is fed via deflection means 22 to a device for thermal treatment of the yarn.
  • the device is designed as a steam fixing device 1 which is operable with saturated steam or superheated steam.
  • the yarn 14 is guided via further deflection means to a winding device at the work station 29 and wound up into a cross-wound bobbin 20.
  • the cross-wound bobbin 20 is rotatably supported by a pivotable creel and rests on a winding roller 19, from which it is driven and rotated to wind the yarn 14.
  • the supply of steam to the steam fixing 1 is carried out by a steam line of the twisting machine via a steam supply 4.
  • the supply of steam can be interrupted by a designed as a steam valve shut-off device.
  • the steam fixing device 1 has an upstream delivery mechanism 2 and a downstream delivery mechanism 3, which serve for the supply of the yarn 14 to be treated or the discharge of the treated yarn 14.
  • the two delivery mechanisms 2, 3 are driven in such a way that the yarn 14 passing through the steam-fixing device 1 is kept essentially constant in tension.
  • a respective yarn lock 21, 23 is arranged, through which the entry or exit of the yarn 14 from the steam fixing device 1 takes place.
  • the delivery mechanisms 2, 3 have delivery rollers 8, 9, wherein at least one of Delivery rollers 8, 9 of the respective delivery plant 2, 3 is preferably driven single motor.
  • the passage of the yarn 14 through the steam zone 7 of the steam fixing device 1 is substantially constant stress-free, in order to achieve the greatest possible bulkiness of the yarn 14 during the thermal treatment.
  • a compressed air supply 5 is arranged, which is connected upstream of the steam zone 7.
  • a further compressed air supply 6, which is upstream of the delivery unit 3.
  • the delivery mechanism 3 has, in addition to the delivery rollers 8, 9, a device 10 for acting on the yarn 14 with a defined force.
  • the device 10 comprises means which are formed at least partially positionally variable.
  • the means are in the embodiment according to Fig. 1 is formed as a deflection roller 25, which is arranged about a lever arm 24 on a rotational axis 12 of the delivery roller 8 to this pivotable.
  • Such an arrangement of guide roller 25 and lever arm 24 is known for example under the term dancer roll.
  • the device 10 is arranged upstream of the delivery mechanism 3 and acts upon the treated yarn 14 after it leaves the steam zone 7 but before it enters the delivery mechanism 3 with a defined force directed perpendicular to the yarn withdrawal direction. This force is preferably less than 1 cN.
  • This force is preferably less than 1 cN.
  • greatly exaggerated deflection of the yarn 14 by the guide roller 25 of the device 10 is merely a better illustration of the operation. The actual deflection of the yarn 14 is low due to the small force applied by the device 10 to the yarn 14.
  • the lever arm 24 is connected to a sensor 11 in connection, which detects any changes in position of the means of the device 10, in particular of the lever arm 24 by the deflection roller 25 located thereon, and forwards it to the control device 13.
  • the change in position is caused by a deflection of the deflection roller 25 due to a changing yarn tension or yarn length between the two delivery mechanisms 2, 3.
  • the change in the yarn tension can have a variety of causes, for example, a speed deviation of the delivery mechanisms 2, 3, different yarn inlet tensions or a diameter deviation of the delivery rollers 8, 9 due to wear.
  • a speed deviation from the delivery mechanism 3 with respect to the delivery mechanism 2 leads to a speed difference which causes an increase or decrease in the yarn tension according to its sign.
  • An increase in the yarn tension ie a reduction in the yarn length, causes a counterforce that changes the position of the device 10 counter to its load direction.
  • the change in position of the deflection roller 25 is detected as a deflection of the lever arm 24 of the sensor 11 and can be forwarded to a Meßwertumwandler 26.
  • the measured value converter 26 transmits a signal proportional to the deflection to the control device 13, which in turn serves to regulate the speed of the delivery mechanisms 2, 3. In the case described above, this leads to a reduction in the speed difference of the delivery mechanisms 2, 3, in order to keep the yarn 14 substantially de-energized.
  • the measurement and control takes place dynamically during the running process, ie during the passage of the yarn 14 through the steam fixing device 1 at each workstation 29. This allows a maximum bulkiness of the yarn 14 can be achieved because Disturbing influences, which negatively influence the development of bows, can be taken into account dynamically at any time.
  • the means of the device 10 is formed as a pin or bolt 27 which is mounted axially movable in a housing 28 preceded by the delivery mechanism 3.
  • the housing 28 is arranged in the area of the delivery mechanism 3 in such a way that the pin or the bolt 27 can exert a defined force directed perpendicular to the passing yarn 14, as already described above.
  • the change in the position of the pin or the bolt 27 by its axial movement due to a change in the yarn tension is detected in the manner already described by the sensor 11 and forwarded as a signal corresponding to the change to the control device 13.
  • the signal serves the control device 13 as a manipulated variable for controlling at least one of the delivery mechanisms 2, 3 in order to dynamically compensate for the change in yarn tension of the yarn 14 between the two delivery mechanisms 2, 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP07786133A 2006-08-26 2007-07-18 Verfahren zur thermischen behandlung eines laufenden garns sowie zwirnmaschine zur durchführung des verfahrens Not-in-force EP2057311B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006040065A DE102006040065A1 (de) 2006-08-26 2006-08-26 Verfahren zur thermischen Behandlung eines laufenden Garns sowie Zwirnmaschine zur Durchführung des Verfahrens
PCT/EP2007/006339 WO2008025411A1 (de) 2006-08-26 2007-07-18 Verfahren zur thermischen behandlung eines laufenden garns sowie zwirnmaschine zur durchführung des verfahrens

Publications (2)

Publication Number Publication Date
EP2057311A1 EP2057311A1 (de) 2009-05-13
EP2057311B1 true EP2057311B1 (de) 2010-03-24

Family

ID=38606880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07786133A Not-in-force EP2057311B1 (de) 2006-08-26 2007-07-18 Verfahren zur thermischen behandlung eines laufenden garns sowie zwirnmaschine zur durchführung des verfahrens

Country Status (5)

Country Link
US (1) US7997055B2 (zh)
EP (1) EP2057311B1 (zh)
CN (1) CN101506425B (zh)
DE (2) DE102006040065A1 (zh)
WO (1) WO2008025411A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022211A1 (de) * 2010-05-20 2011-11-24 Oerlikon Textile Gmbh & Co. Kg Garnschleuse zur Abdichtung einer unter Überdruck stehenden Garnbehandlungskammer
DE102011108112A1 (de) * 2011-07-20 2013-01-24 Oerlikon Textile Gmbh & Co. Kg Garnbehandlungskammer
DE102013020471A1 (de) 2013-12-03 2015-06-18 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zur kontinuierlichen Bearbeitung eines fadenförmigen Gutes

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB458098A (en) 1935-06-12 1936-12-14 Henry Dreyfus Improvements in apparatus for the manufacture or treatment of filaments, threads, yarns and the like
US3383850A (en) * 1965-08-06 1968-05-21 Ratti Michele Method for fixing one or more previously twisted or coiled yarns or the like during unwinding thereof, particularly applicable to alteration of textureized yarn
DE2039273B2 (de) * 1970-08-07 1978-05-24 Rosenkranz & Co Gmbh, 4050 Moenchengladbach Verfahren und Vorrichtung zum Schrumpfen von laufenden Garnen
US3721376A (en) * 1971-05-03 1973-03-20 Piedmont Eng And Machine Co In Tensionless variable feed system for a traveling strip
US3726137A (en) * 1971-05-04 1973-04-10 Heberlein & Co Ag Testing texturized yarn
US3763526A (en) * 1971-07-26 1973-10-09 Owens Corning Fiberglass Corp Apparatus for clearing and texturing linear material
US4295252A (en) * 1979-07-12 1981-10-20 E. I. Du Pont De Nemours & Co. Method for measuring yarn shrinkage and crimp development
JPS58176534A (ja) * 1982-04-09 1983-10-17 Toray Ind Inc 糸の収縮特性測定方法
US5146739A (en) * 1990-01-26 1992-09-15 Barmag Ag Yarn false twist texturing process and apparatus
GB9202397D0 (en) * 1992-02-05 1992-03-18 British Tech Group Texturing yarn
FR2690694B1 (fr) * 1992-04-29 1994-06-17 Icbt Roanne Procede pour le traitement de fils chimiques, notamment lors d'une operation de texturation, et installation textile mettant en óoeuvre ce procede.
WO1998033963A1 (de) * 1997-02-04 1998-08-06 Barmag Ag Falschdrall-texturiermaschine
EP1348785A1 (de) * 2002-03-28 2003-10-01 Power- heat-set GmbH Vorrichtung zum Behandeln von langgestrecktem Gut, insbesondere von fadenartigen Textilgarnen
JP4245952B2 (ja) 2003-03-31 2009-04-02 株式会社カネカ 頭飾用再生コラーゲン繊維の製造方法及び連続乾燥装置
DE10348278A1 (de) * 2003-10-17 2005-05-25 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Behandlung eines laufenden Fadens mit einem gas- und dampfförmigen Behandlungsmedium
WO2005038106A1 (de) 2003-10-21 2005-04-28 Heberlein Fibertechnology, Inc. Vorrichtung und verfahren zur thermischen behandlung von garn insbesondere zur luftblastexturierung
EP1584716A1 (de) * 2004-04-10 2005-10-12 Schärer Schweiter Mettler AG Garnbearbeitungsverfahren und Garnbearbeitungsmaschine

Also Published As

Publication number Publication date
CN101506425A (zh) 2009-08-12
DE102006040065A1 (de) 2008-02-28
WO2008025411A1 (de) 2008-03-06
EP2057311A1 (de) 2009-05-13
US20090320437A1 (en) 2009-12-31
US7997055B2 (en) 2011-08-16
CN101506425B (zh) 2012-08-08
DE502007003238D1 (de) 2010-05-06

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