EP1200655B1 - Procede pour la production de fils mixtes - Google Patents

Procede pour la production de fils mixtes Download PDF

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Publication number
EP1200655B1
EP1200655B1 EP00901462A EP00901462A EP1200655B1 EP 1200655 B1 EP1200655 B1 EP 1200655B1 EP 00901462 A EP00901462 A EP 00901462A EP 00901462 A EP00901462 A EP 00901462A EP 1200655 B1 EP1200655 B1 EP 1200655B1
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EP
European Patent Office
Prior art keywords
yarn
sub
texturing
heating
path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00901462A
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German (de)
English (en)
Other versions
EP1200655A1 (fr
Inventor
Markus JÄGGI
Heinz Von Arx
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.)
Retech AG
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Retech AG
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Filing date
Publication date
Application filed by Retech AG filed Critical Retech AG
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Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines

Definitions

  • the invention relates to a method for producing blended yarns according to the preamble of the independent claim.
  • Blended yarns are now produced in three different, independent sub-processes and in different operations.
  • Each sub-process as such is set up for optimal speed. Of course, this affects not only the sub-process as such, but also the entire periphery around the sub-process.
  • the process sequence begins with the spinning stretch of synthetic fibers. This spinning stretching takes place at a first, very high processing speed and is carried out on large plants in a spinning mill. Everything is geared towards large production. Each spinning machine has a large number of individual spinning positions. For this reason, the raw yarn produced is also wound onto large spinning reels of normally 30 kg yarn weight.
  • Stretch-texturing process takes place in a separate plant, mostly in. a separate factory.
  • synthetic fiber raw yarn is pulled from the supplied 30 kg spools and textured in a known manner. Since the volume increases, texturing can only take place at a significantly slower second speed. To ensure that texturing is fast and productive enough, each texturing machine has a large number of texturing points.
  • the textured yarn is then usually wound onto packages with a yarn weight of 5 kg. This process takes place in our own production facilities. The 5 kg yarn packages are then passed on.
  • the textured yarn is unwound from the 5 kg. Wraps and proportioned with elastane, lycra and similar fibers in an air swirling process. This process is always dependent on the quality of the textured yarn and the type of admixture, for example intermingling and the quantitative proportion of the fed fibers dependent.
  • This third sub-process works with a third; usually even lower speed. So that this sub-process is productive enough, each admixing, for example, swirling machine has a plurality of admixing, for example swirling points. This also takes place in a separate and specially designed production facility.
  • the object of the invention is to change at least one of these three sub-processes so that at least two of the sub-processes can be combined.
  • An additional advantage of the invention is that at least one rewinding point from one reel to the next and thus also a source of error is eliminated.
  • Another advantage of the invention is that two previously separate production sites can be combined. Either texturing is carried out in the spinning mill directly after the spinning process or the texturing process is running immediately before and together with the Airtex process. As a result, there is no longer any need to transport yarn packages between two production sites.
  • FIG. 1 The process flow according to the prior art is shown in FIG. 1.
  • the production of a blended yarn begins with the spinning of a synthetic fiber raw yarn in the first sub-process P1.
  • This raw yarn is produced in large quantities using known technology in known spinning machines.
  • the raw yarn is spun from a granulate and stretched appropriately. Both are done on the same machine and mostly in the same operation.
  • Such spinning machines work with a very high production speed V1.
  • Each spinning machine has a large number of individual spinning positions. Since the production speed V1 is high, the take-off of the raw yarn for further use must also be appropriately equipped. Therefore, the raw yarn produced is also wound onto large spinning reels W1, normally weighing 30 kg each.
  • the spinning reels W1 are now transported to a texturing company T1.
  • the raw yarn is drawn off from the spinning reels W1 and is now treated in tetexturing machines as a second sub-process P2.
  • the raw yarn gets a desired texture.
  • the volume of the yarn increases considerably.
  • each texturing machine has a large number of texturing points.
  • the texturing machines work with a second production speed V2 suitable for these machines.
  • the textured yarn is then usually wound onto a second roll of W2, each with a weight of 5 kg.
  • the second reels W2 are now transported to the next company T2.
  • each admixing machine for example a vortexing machine, has a plurality of admixing points.
  • an additional filament is drawn off from a fourth winding W3 and swirled together with the textured yarn at the mixing point to form the mixed yarn. It is obvious that this can be done using various methods known per se, such as air swirling, twisting, twisting and the like.
  • the finished elastic yarn is now placed on third packages of around 6 kg each Thread weight wound up.
  • the second windings W2 and the third windings W3 can be the same, since the volume of the finished elastic yarn differs only slightly from the textured yarn only, although the weight of the yarn increases by the proportion of the elastic fibers.
  • the second subprocess P2 and the third subprocess P3 are now combined. This is done by adapting the second production speed V2 to the third production speed V3 to such an extent that both are identical. This makes it possible for a swirling point W1 to be connected directly to each texturing point T1 and for the finished elastic yarn to be wound up again.
  • the configuration of the elements required for the second subprocess P2 is discussed in more detail in connection with FIG. 4.
  • the first subprocess P1 and the second subprocess P2 are now combined. This is done by adapting the second production speed V2 to the first production speed V1 to such an extent that both are identical. This makes it possible for a single texturing point T1 to be connected directly to each individual spinning position S1. The finished textured yarn is then wound up again. This means that the first transport T1 of the heavy spinning reels W1 from the first sub-process P1 to the second sub-process P2, including unclamping, clamping and winding onto the elements of the following processing stage, is omitted. Here, too, work steps such as mixing quality control can be omitted.
  • the configuration of the elements required for the second subprocess P2 is discussed in more detail in connection with FIG. 4.
  • each texturing module 4 has its own regulation.
  • it has to be compact, since it is to be arranged directly in front of the swirling point of the third sub-process P3 or directly behind the spinning point of the first sub-process P1.
  • a texturing module 4 can be built sufficiently compactly, it is equipped with a heating section with its own special preheating 41, 42.
  • the raw yarn which comes directly from a spinning position of a spinning machine or from a spinning reel W1, passes through a yarn inlet 48 into a first heating device 41, where it reaches a first. Preheating temperature T1 is heated.
  • the preheated raw yarn is then pre-drawn to a certain extent, whereupon it is heated to the full texturing temperature T2 using a second heating device 42.
  • the fully warmed raw yarn now runs over a twist stop 43, through an actively cooled texturing section 44 to a false twist element 45.
  • the twist generated by the false twist element 45 runs backwards to the twist stop 43.
  • the texture is generated in the yarn.
  • the active cooling of the yarn as it passes through the texturing section 44 which is designed as a cooling channel, the texture is frozen or fixed already during production by being cooled to a fixing temperature T3.
  • the now textured yarn then arrives at an elasticity correction station 46, where it is brought to a selectable correction temperature T4.
  • the second production speed V2 can be adapted sufficiently to the other subprocess P1, P3.
  • both drive such as preheating, texturing heating and active cooling in the cooling channel of the texturing section 44 can be controlled individually for each texturing module 4.
  • Special measures result from the measures briefly described below.
  • the pre-stretching can either be produced with two heating godets arranged one behind the other, which have different speeds and possibly different temperatures. But it can also be achieved with a stylus and a heating godet. The preheating and heating must be provided with sufficient power.
  • cooling must be able to provide sufficient power and be able to transfer it to the yarn, whereby special attention must be paid to the fact that yarn must be cooled to the necessary temperatures during the full production speed during texturing. Not only air cooling is suitable for this, but also liquid cooling with and without direct contact with the yarn. Other special options are also provided so that the heat in the heated yarn can also be dissipated quickly enough from the cooling section.
  • a cooling channel can be filled or rinsed with water, oil, refrigerant or liquid sodium or saline medium, a salt or salt mixture with a suitable melting temperature.
  • Thread tension control with measurement and control can be just as important.
  • a sensor for monitoring the thread tension is arranged in the area of the texturing section 44 and its measured values are used to regulate the thread tension.
  • the thread temperature be measured as contactlessly as possible, at least in the area of the false-wire organ 45. From these measured values, heating and cooling are regulated as simultaneously as possible by online evaluation. This is essential so that the adjusted second production speed V2 can be maintained. The more precise the temperature control, the better the adaptation to the previous or subsequent sub-process.
  • FIG. 5 shows schematically a combination of the second subprocess P2 with the third subprocess P3 in connection with a single stretch texturing module 4.
  • the additional filament is now mixed in from the fourth winding W4 after the directly after the withdrawal from the texturing section, as the elasticity correction station 64 in the third sub-process P3. In other cases, this can be done by swirling, twisting or twisting. Because of the individual adaptability of the speed of the individual texturing module, the production speeds V2 and V3 of the two sub-processes P2, P3 can be precisely coordinated and optimized.
  • Such a mixed yarn can be produced by admixing a synthetic filament, for example one with special elastic properties or else a filament made of cotton, wool and others.
  • the combination of the second and third subprocesses P2, P3 according to the invention can be expanded by a further subprocess without spools in between. It is thus possible to feed the mixed yarn produced directly to a circular knitting machine which can adapt these individual process speeds to one another under the conditions mentioned and with the means mentioned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (15)

  1. Procédé pour la production de fils mixtes, dans lequel un fil brut en fibres synthétiques est filé et pré-étiré avec une première vitesse de production (V1) dans un premier processus partiel (P1) dans une machine de filage, puis le fil brut est étiré et texturé avec une deuxième vitesse de production (V2) dans un deuxième processus partiel (P2) dans une machine de texturation, et ensuite le fil texturé est mélangé en produit final avec addition d'un filament élastique dans un mélange avec une troisième vitesse de production (V3) dans un troisième processus partiel (P3), caractérisé en ce que la deuxième vitesse de production (V2) du deuxième processus partiel (P2) est adaptée soit à la première vitesse de production (V1) du premier processus partiel (P1) soit à la troisième vitesse de production (V3) du troisième processus partiel.
  2. Procédé selon la revendication 1, caractérisé en ce que le fil brut est enroulé en une bobine de filage après le premier processus partiel (P1), puis le fil brut est déroulé de la bobine de filage et texturé dans le deuxième processus partiel (P2) dans un module de texturation (4) de la machine de texturation et envoyé directement à un poste de mélange (5) de la machine de mélange avec addition du filament additionnel comme troisième processus partiel (P3), et le fil mixte terminé est enroulé en une bobine de fil, la deuxième et la troisième vitesses de production étant égales.
  3. Procédé selon la revendication 1, caractérisé en ce que le fil brut, après la fin du premier processus partiel (P1), est envoyé directement d'un poste de filage de la machine de filage à un module de texturation réglable individuellement (4) de la machine de texturation pour le deuxième processus partiel (P2), puis le fil texturé est enroulé en une bobine de fil texturé (W12), ensuite le fil texturé est déroulé de la bobine de fil texturé (W12) pour le troisième processus partiel (P3) et envoyé au mélange avec addition d'un filament à mélanger (F4) comme troisième processus partiel (P3), et ensuite le fil mixte terminé est enroulé en une bobine de fil (W5), la première et la deuxième vitesses de production (V1, V2) étant égales.
  4. Dispositif pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 3, avec une machine de texturation, qui présente un nombre de modules de texturation (4) comportant chacun une entrée de fil (48), une section de chauffage, une section de texturation (44) et une sortie de fil (49), dans lequel la section de texturation (44) est disposée entre un arrêt de torsion (43) et un organe de fausse torsion (45), caractérisé en ce que chaque section de texturation (44) comprend un canal de refroidissement avec un refroidissement actif et en ce que chaque module de texturation (4) est réglable individuellement en ce qui concerne la température de chauffage de la section de chauffage (T1, T2), la température de refroidissement (T3) du canal de refroidissement et la vitesse de défilement du fil.
  5. Dispositif selon la revendication 4, caractérisé en ce que la section de chauffage présente un premier préchauffage (41) et un deuxième préchauffage (42) avec un pré-étirage intermédiaire.
  6. Dispositif selon la revendication 4, caractérisé en ce que le premier préchauffage (41) est un chauffage à infrarouge, un chauffage à jets d'air ou un chauffage par contact avec une résistance, et le deuxième préchauffage (42) comprend une galette chauffante.
  7. Dispositif selon la revendication 4, caractérisé en ce que le premier et le deuxième préchauffages (41, 42) sont des galettes chauffantes.
  8. Dispositif selon la revendication 4, caractérisé en ce que le refroidissement actif de la section de texturation (44) de chaque module de texturation (4) est un refroidissement à l'air ou un refroidissement par un liquide avec un contact direct du fil avec l'agent réfrigérant.
  9. Dispositif selon la revendication 4, caractérisé en ce que le refroidissement actif de la section de texturation (44) de chaque module de texturation (4) comprend un canal de refroidissement, dans lequel le canal de refroidissement peut être refroidi au moyen d'un fluide de refroidissement liquide ou gazeux.
  10. Dispositif selon la revendication 4, caractérisé en ce que le refroidissement actif de la section de texturation (44) de chaque module de texturation (4) comprend un canal de refroidissement, dans lequel le canal de refroidissement peut être refroidi au moyen d'un fluide salé.
  11. Dispositif selon la revendication 4, caractérisé en ce que le refroidissement actif du fil est effectué au moyen du froid causé par l'évaporation d'un fluide réfrigérant.
  12. Dispositif selon l'une quelconque des revendications 4 à 11, caractérisé en ce qu'un détecteur de la température du fil est disposé dans la région de la section de texturation (44), détecteur dont les valeurs de mesure sont utilisées pour la régulation du refroidissement actif.
  13. Dispositif selon l'une quelconque des revendications 4 à 11, caractérisé en ce qu'un détecteur pour surveiller la tension du fil est disposé dans la région de la section de texturation (44), détecteur dont les valeurs de mesure sont utilisées pour la régulation de la tension du fil.
  14. Dispositif selon l'une quelconque des revendications 4 à 13, caractérisé en ce l'entrée de fil (48) peut être raccordée directement avec un poste de filage du premier processus partiel (P1) d'une machine de filage.
  15. Dispositif selon l'une quelconque des revendications 4 à 13, caractérisé en ce la sortie de fil (49) peut être raccordée directement avec un poste d'entremêlement du troisième processus partiel (P3) d'une machine d'entremêlement.
EP00901462A 1999-07-15 2000-02-07 Procede pour la production de fils mixtes Expired - Lifetime EP1200655B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH130999 1999-07-15
CH130999 1999-07-15
PCT/CH2000/000063 WO2001006048A1 (fr) 1999-07-15 2000-02-07 Procede pour la production de fils mixtes

Publications (2)

Publication Number Publication Date
EP1200655A1 EP1200655A1 (fr) 2002-05-02
EP1200655B1 true EP1200655B1 (fr) 2004-04-28

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EP00901462A Expired - Lifetime EP1200655B1 (fr) 1999-07-15 2000-02-07 Procede pour la production de fils mixtes

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EP (1) EP1200655B1 (fr)
JP (1) JP2003505607A (fr)
CN (1) CN1150358C (fr)
AT (1) ATE265562T1 (fr)
AU (1) AU2274700A (fr)
DE (1) DE50006272D1 (fr)
WO (1) WO2001006048A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107515636B (zh) * 2016-06-17 2022-06-07 浙江海润丰化纤有限公司 加弹机温度控制系统
CN112342652B (zh) * 2020-10-05 2022-06-10 浙江美来亚纺织有限公司 一种纺织机用色纺纱清洗除尘装置
CN115418763B (zh) * 2022-09-13 2024-11-15 东华大学 保持展丝宽的转向外喂包缠复合结构纺装置与方法及用途
ES3015584B2 (es) * 2024-12-26 2025-09-23 Asociacion De Investig De La Industria Textil Y Cosmetica Aitex Procedimiento de obtención de una cinta polimérica unidireccional y cinta polimérica unidireccional obtenida por dicho procedimiento

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1104051A (en) * 1963-10-16 1968-02-21 Klinger Mfg Co Ltd Improvements in or relating to false twisting apparatus
US3811264A (en) * 1972-04-10 1974-05-21 Fiber Industries Inc Yarn creeling and transferring process
DE3324243A1 (de) * 1982-07-09 1984-02-16 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Falschzwirnkraeuselmaschine und verfahren zur ueberbrueckung kurzzeitiger spannun gsausfaelle an textilmaschinen
FR2621332B3 (fr) * 1987-10-06 1989-11-24 Icbt Roanne Machine de texturation de fils textiles par fausse torsion
DE4118223A1 (de) * 1991-06-04 1992-12-10 Univ Chemnitz Tech Verfahren und vorrichtung zum herstellen eines kombiniert gebuendelten und echtgedrehten garnes

Also Published As

Publication number Publication date
AU2274700A (en) 2001-02-05
CN1150358C (zh) 2004-05-19
WO2001006048A1 (fr) 2001-01-25
EP1200655A1 (fr) 2002-05-02
CN1360646A (zh) 2002-07-24
ATE265562T1 (de) 2004-05-15
JP2003505607A (ja) 2003-02-12
DE50006272D1 (de) 2004-06-03

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