EP2588657B1 - Appareil pour l'actionnement et la programmation d'un continu à filer à anneaux - Google Patents

Appareil pour l'actionnement et la programmation d'un continu à filer à anneaux Download PDF

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Publication number
EP2588657B1
EP2588657B1 EP11743859.8A EP11743859A EP2588657B1 EP 2588657 B1 EP2588657 B1 EP 2588657B1 EP 11743859 A EP11743859 A EP 11743859A EP 2588657 B1 EP2588657 B1 EP 2588657B1
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EP
European Patent Office
Prior art keywords
slub
profile
yarn
region
interface
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.)
Active
Application number
EP11743859.8A
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German (de)
English (en)
Other versions
EP2588657A1 (fr
Inventor
Andrea Cattaneo
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.)
Marzoli Machines Textile SRL
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Marzoli Machines Textile SRL
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Publication of EP2588657A1 publication Critical patent/EP2588657A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32—Regulating or varying draft
    • D01H5/36—Regulating or varying draft according to a pre-arranged pattern, e.g. to produce slubs
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

Definitions

  • the present invention relates to an apparatus for operating and programming a ring spinning frame destined to process a roving so as to obtain a yarn made from a continuous sequence of portions, each portion having predetermined count and/or twist characteristics.
  • the count or twist characteristics of a yarn can affect the aesthetic qualities of the textile made from the yarn, as known e.g. from CH 688479-A5 , DE-A-40,41,301 , or WO 2008/068294-A1 .
  • the variation of the count of a yarn in other words the variation in weight along its length, gives rise to a thickening or thinning of the textile made from the yarn, giving it pleasing aesthetic qualities.
  • the yarn is called a slub yarn and the corresponding process is called slubbing.
  • the yarn is processed in such a way that it acquires the desired count and/or twist characteristics in a ring spinning machine, by passing through specially designed drawing and twisting devices in which the count or the twist of the yarn is varied by suitably adjusting the speed of the drawing rollers.
  • the variation of the count along a defined portion of length of the yarn makes a slub, which may have different profiles depending on the progress of the count in the portion considered.
  • the problem tackled by the present invention is that of devising an apparatus for operating and programming a frame such that the aforesaid requirements are met while the drawbacks mentioned with reference to the known art are overcome.
  • reference numeral 1 indicates the whole of a spinning station of a ring spinning frame.
  • the ring spinning frame comprises a plurality of spinning stations 1, arranged along a spinning front.
  • Each spinning station 1 has, in a feed section 2, means 4 for feeding a roving 6 wound on bobbins 8 formed by preceding processes, such as processes carried out on a fly frame.
  • the end product of the process at each spinning station is a yarn wound on a bobbin placed in an output section 12 of the spinning station 1 of the textile machine.
  • the spinning frame further comprises, for each spinning station, a drawing device 14, which the roving 6 is inserted in.
  • the drawing device 14 comprising a plurality of drawing rollers coupled to idle rollers located above them.
  • said drawing device 14 comprises, along the direction of the processing flow, a third drawing roller 16, a second drawing roller 18 and a first drawing roller 20. Said drawing rollers are coupled respectively to idle rollers 16', 18' and 20'.
  • said first drawing roller 20 is located down-line of the second roller 18 and of the third roller 16, and therefore near the output section 12 of the spinning station 1.
  • the roving 6 leaves the drawing device 14 in the form of drawn yarn 22 and is inserted into a twisting and winding device 24, or, alternatively, into a condensation device located up-line of the twisting and winding device 24.
  • the twisting and winding device 24 comprises a fixed guide 26 and a slider 28 which is rotatable on a fixed ring 30, supported by a table 32. Furthermore, said drawing device 14 also comprises a spindle 34, which also rotates, and a containing ring 36.
  • the drawing rollers are moved at different peripheral speeds, increasing in the direction of the processing flow.
  • the peripheral speed of the third drawing roller 16 is less than, or at most equal to, the peripheral speed of the second drawing roller 18 which, in turn, is less than, or at most equal to, the peripheral speed of the first drawing roller 20.
  • the drawing results in an elongation of the roving and a decrease of its nominal diameter, in other words a proportional decrease in the count.
  • the drawn yarn 22 is wound on the spindle 34, causing the slider 28 to rotate around said spindle and slide over the fixed ring 30.
  • the sliding of the drawn yarn 22 over the fixed ring 30 generates the twist of the yarn which is thus wound on the spindle in the form of twisted yarn
  • the table 32 is made to move with a vertical reciprocating motion, by which the twisted yarn is wound on the spindle to form the bobbin.
  • the drawing frame further comprises driving means operatively connected to the drawing cylinders, spindles and table.
  • the driving means comprise a first motor 42 which activates in rotation the third 16 and the second 18 drawing cylinder, by means of suitable transmission means and a second motor 44 which activates in rotation the first drawing cylinder 20.
  • the driving means comprise a third motor 46 which activates the spindle 34 and a fourth motor 48, which activates the table 32 in translation.
  • An apparatus for operating and programming the ring spinning frame described above comprises an actuation device 50, operatively connected to the driving means to activate them depending on the speed instructions, imposing a desired speed on the drawing cylinders or spindles.
  • the operating and programming apparatus comprises an electronic programming device 60, operatively connected to the actuation device 50, programmable by a user to program the progress of the count and/or twist along the length of the yarn.
  • the electronic programming device 60 comprises a first interface 62 suitable to design the profile of a slub ( figure 3 ).
  • slub is used to mean a portion of yarn in which the count varies in a predetermined manner, changing from the nominal count value.
  • the first interface 62 shows a slub region 64, which reproduces the reference portion on the x-axis and the slub count on the y-axis for example showing the increase or decrease of the count compared to the nominal count.
  • the y-axis shows the references "0x”, “1x”, “2x”, “3x”, “4x” indicating that the count at a certain point of the reference portion is 0, 1, 2, 3 or 4 times the nominal count of the yarn.
  • the slub may be designed in the slub region 64 in a continuous manner, for example using an optical pen or simply by touching a monitor (touch screen), or discretely identifying several dots of the region, subsequently automatically joined by straight lines.
  • the first interface 62 is suitable to receive the slub profile by entering an out and out design.
  • the first interface 62 is suitable to receive the discreet dots indicating a slub profile by means of an out and out design.
  • a slub region 64 is present in which dots of the slub profile are traced on the graphic visualisation in an x-axis/y-axis system.
  • the slub can be designed as a continuous line or as dots which when joined show the shape of the slub.
  • the slub is designed manually in the slub region 64 by the operator using hardware accessories such as a mouse, optical pen etc.
  • hardware accessories such as a mouse, optical pen etc.
  • the first interface 62 comprises an identification field 66, in which an ID of the slub designed is entered, for example an identification number of the slub.
  • the software controlling the first interface also makes it possible to save the profile of the slub designed, assigning such profile the chosen ID, memorising the profile parameters defining the slub profile in first memorisation means 62' of the first interface 62.
  • the electronic programming device 60 comprises a second interface 80 suitable for programming the repetition along the yarn of the slubs designed with the first interface ( figure 4 ).
  • the second interface 80 is in table form.
  • the ID assigned to one of the slubs designed using the first interface the length L of the reference portion which the slub identified must be reproduced in and the length of a pause P value of a pause section in which the count is equal to the nominal count, must be entered before moving on to the next line.
  • the yarn would have a sequence of slubs as illustrated in figure 5 .
  • the software controlling the first interface also permits the memorisation of the repetition parameters which define the repetition of the slubs in second memorisation means 80' of the second interface 80.
  • the programming device 60 comprises conversion means 90, in particular computerised conversion means, which acquire the profile parameters memorised in the first memorisation means 62' and the repetition parameters memorised in the second memorisation means 80' and convert them into speed instructions for the operating device 50, to which the conversion means are connected, to set the speed of the drawing cylinders accordingly.
  • conversion means 90 in particular computerised conversion means, which acquire the profile parameters memorised in the first memorisation means 62' and the repetition parameters memorised in the second memorisation means 80' and convert them into speed instructions for the operating device 50, to which the conversion means are connected, to set the speed of the drawing cylinders accordingly.
  • the apparatus according to the present invention makes it possible to overcome the drawbacks of the prior art, in that it is possible to design slubs having a complex profile and set the repetition of the same along the yarn as desired.
  • a slub is designed in such a way as to present a constant variation of the count along the reference portion.
  • P pause length nil
  • a length of reference portion equal to the length of a very long portion of yarn

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)
  • Debugging And Monitoring (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (7)

  1. Appareil pour faire fonctionner et programmer un métier à filer à anneaux,
    dans lequel ledit métier à filer comprend un dispositif d'étirage (14) comprenant une pluralité de paires de rouleaux d'étirage (16, 16' ; 18, 18' ; 20, 20') et des moyens d'entraînement (42, 44) raccordés audit dispositif d'étirage (14) pour imposer, sur les rouleaux d'étirage (16, 16' ; 18, 18' ; 20, 20'), une rotation souhaitée, ledit appareil comprenant :
    - un dispositif d'actionnement (50), raccordé fonctionnellement aux moyens d'entraînement (42, 44) pour les activer suivant les instructions de vitesse ;
    - un dispositif de programmation électronique (60), connecté fonctionnellement au dispositif d'actionnement (50), programmable par un utilisateur pour programmer le progrès du numéro et/ou de la torsion sur la longueur du fil ;
    dans lequel le dispositif de programmation électronique (60) comprend une première interface (62) appropriée pour présenter une région de mèche (64) qui reproduit la portion de référence et le numéro de mèche, et pour concevoir, dans la région de mèche (64), le profil de la mèche de manière continue, et
    des moyens de conversion (90) appropriés pour convertir les paramètres du profil de la mèche conçue en instructions de vitesse pour le dispositif d'actionnement;
    caractérisé en ce que le dispositif de programmation électronique (60) comprend un stylo optique ou un écran tactile approprié pour tracer, dans la région de mèche (64), le profil de la mèche de manière continue.
  2. Appareil selon la revendication 1, dans lequel la première interface (60) comprend des premiers moyens de mémorisation (62') pour mémoriser les paramètres de profil par rapport à la mèche conçue.
  3. Appareil selon la revendication 1 ou 2, dans lequel le dispositif de programmation électronique (60) comprend une seconde interface (80) appropriée pour programmer la répétition, le long du fil, des mèches conçues par la première interface (62).
  4. Appareil selon la revendication 3, dans lequel la seconde interface (80) comprend des seconds moyens de mémorisation (80') pour la mémorisation des paramètres de répétition qui définissent la répétition des mèches le long du fil.
  5. Appareil selon la revendication 3 ou 4, dans lequel les moyens de conversion (90) sont également appropriés pour acquérir les paramètres de répétition et les convertir, conjointement avec les paramètres de profil, en instructions de vitesse pour le dispositif d'actionnement (50).
  6. Méthode de commande d'un métier à filer à anneaux pour la réalisation d'un fil possédant une variation de numéro sur sa longueur,
    dans laquelle ledit métier à filer comprend un dispositif d'étirage (14) comprenant une pluralité de paires de rouleaux d'étirage (16, 16' ; 18, 18' ; 20, 20'), et des moyens d'entraînement (42, 44) raccordés audit dispositif d'étirage pour imposer, sur les rouleaux d'étirage, une vitesse de rotation souhaitée,
    et une première interface (62) appropriée pour présenter une région de mèche (64) qui reproduit la portion de référence et le numéro de mèche, et pour concevoir, dans la région de mèche (64), le profil de la mèche de manière continue,
    ladite méthode comprenant les étapes de :
    - la conception, dans la région de mèche (64), en utilisant un stylo optique ou un écran tactile, du profil de la mèche de manière continue ;
    - la conversion des paramètres de profil de la mèche en instructions de vitesse pour les moyens d'entraînement (42, 44) du métier à filer.
  7. Méthode de commande d'un métier à filer à anneaux pour la réalisation d'un fil possédant une variation de numéro sur sa longueur, selon la revendication 6, comprenant les étapes de :
    - la prévisualisation de la visualisation graphique, dans un système d'axe x/d'axe y, dans la région de mèche (64) incluse dans la première interface (62) du profil de mèche ;
    - le traçage manuel, dans ladite région de mèche (64), sur l'axe x/l'axe y, de points du profil de mèche.
EP11743859.8A 2010-06-30 2011-06-28 Appareil pour l'actionnement et la programmation d'un continu à filer à anneaux Active EP2588657B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBS2010A000115A IT1400663B1 (it) 2010-06-30 2010-06-30 Apparato di azionamento e programmazione di un filatoio ad anelli
PCT/IB2011/052847 WO2012001632A1 (fr) 2010-06-30 2011-06-28 Appareil pour l'actionnement et la programmation d'un continu à filer à anneaux

Publications (2)

Publication Number Publication Date
EP2588657A1 EP2588657A1 (fr) 2013-05-08
EP2588657B1 true EP2588657B1 (fr) 2014-10-08

Family

ID=43530475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11743859.8A Active EP2588657B1 (fr) 2010-06-30 2011-06-28 Appareil pour l'actionnement et la programmation d'un continu à filer à anneaux

Country Status (6)

Country Link
EP (1) EP2588657B1 (fr)
JP (1) JP5866352B2 (fr)
CN (1) CN103261496B (fr)
BR (1) BR112012030317B1 (fr)
IT (1) IT1400663B1 (fr)
WO (1) WO2012001632A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104328548A (zh) * 2014-11-20 2015-02-04 经纬纺织机械股份有限公司 一种电子加捻的控制方法
TR201701808A2 (fr) * 2017-02-07 2018-08-27 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi
EP3831990B1 (fr) 2019-12-06 2022-09-28 Kabushiki Kaisha Toyota Jidoshokki Appareil de réglage de motif de filage pour un métier à filer

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849567C2 (de) 1978-11-15 1982-07-22 Evolution S.A., Rorschach, St. Gallen Effektzwirnmaschine
JPS60119228A (ja) * 1983-12-02 1985-06-26 Howa Mach Ltd 特殊糸の製造装置
DE4041301A1 (de) * 1990-12-21 1992-06-25 Amsler Iro Ag Spinnmaschine fuer und verfahren zum spinnen von effektgarn
JP2860443B2 (ja) 1994-02-14 1999-02-24 日清紡績株式会社 精紡方法及び精紡機
CH688479A5 (de) * 1996-04-04 1997-10-15 Rieter Ag Maschf Verfahren und Vorrichtung zur Herstellung eines Effektgarnes.
IT1313271B1 (it) * 1999-07-29 2002-07-17 Marzoli Spa Dispositivo e procedimento per il pilotaggio delle motorizzazioni dimacchine tessili.
DE10037513B4 (de) * 1999-09-20 2010-09-30 Maschinenfabrik Rieter Ag Verfahren zum Steuern einer Ringspinnmaschine und Spinnmaschine
CN1091813C (zh) * 2000-12-29 2002-10-02 东华大学 转杯纺竹节纱的方法和纺纱装置
CN2576737Y (zh) * 2002-08-09 2003-10-01 浙江精工科技股份有限公司 花式纱线机用起花控制装置
EP1413655A1 (fr) * 2002-10-25 2004-04-28 Marzoli S.p.A. Dispositif et méthode de commande d'une machine textile, en particulier d'un continu à filer
DE102004041096B4 (de) * 2004-08-24 2007-03-29 Saurer Gmbh & Co. Kg Verfahren und Einrichtung zum Erzeugen von Effektgarn an einer Ringspinnmaschine
JP4433997B2 (ja) * 2004-11-30 2010-03-17 株式会社豊田自動織機 特殊糸製造装置
CN1648301A (zh) * 2005-01-27 2005-08-03 潍坊四棉纺织有限公司 一种竹节纱线、其纺制方法及专用细纱机
CN1699654B (zh) * 2005-06-15 2010-05-05 东华大学 一种纺制可直接在布面形成图案的竹节纱线控制系统
DE102006003941A1 (de) * 2005-09-19 2007-03-22 Maschinenfabrik Rieter Ag Spinnmaschine mit Drehungs- und Verzugsanpassung
WO2008068294A1 (fr) * 2006-12-05 2008-06-12 Amsler Tex Ag Dispositif et procédé d'amenée de flammes sur des métiers à filer à anneaux

Also Published As

Publication number Publication date
JP2013529728A (ja) 2013-07-22
JP5866352B2 (ja) 2016-02-17
CN103261496B (zh) 2015-09-09
ITBS20100115A1 (it) 2011-12-31
IT1400663B1 (it) 2013-06-28
WO2012001632A1 (fr) 2012-01-05
BR112012030317A2 (pt) 2016-08-09
CN103261496A (zh) 2013-08-21
BR112012030317B1 (pt) 2020-10-13
EP2588657A1 (fr) 2013-05-08

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