WO2008058605A1 - Dispositif de va-et-vient de fil pour une machine textile produisant des bobines croisées - Google Patents

Dispositif de va-et-vient de fil pour une machine textile produisant des bobines croisées Download PDF

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Publication number
WO2008058605A1
WO2008058605A1 PCT/EP2007/009074 EP2007009074W WO2008058605A1 WO 2008058605 A1 WO2008058605 A1 WO 2008058605A1 EP 2007009074 W EP2007009074 W EP 2007009074W WO 2008058605 A1 WO2008058605 A1 WO 2008058605A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
cross
fadenchangiervorrichtung
spring system
stop
Prior art date
Application number
PCT/EP2007/009074
Other languages
German (de)
English (en)
Inventor
Sven Butschko
Original Assignee
Oerlikon Textile Gmbh & 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 & Co. Kg filed Critical Oerlikon Textile Gmbh & Co. Kg
Priority to DE502007003806T priority Critical patent/DE502007003806D1/de
Priority to CN2007800417910A priority patent/CN101535159B/zh
Priority to AT07819139T priority patent/ATE467600T1/de
Priority to EP07819139A priority patent/EP2106378B1/fr
Publication of WO2008058605A1 publication Critical patent/WO2008058605A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2806—Traversing devices driven by cam
    • B65H54/2809—Traversing devices driven by cam rotating grooved cam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2818—Traversing devices driven by rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2881—Traversing devices with a plurality of guides for winding on a plurality of bobbins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/385—Preventing edge raising, e.g. creeping arrangements
    • B65H54/386—Preventing edge raising, e.g. creeping arrangements with energy storing means for recovering the kinetic energy at the end of the traversing stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a Fadenchangiervortechnische for a cross-wound producing textile machine according to the preamble of claim 1.
  • Fadenchangiervortechnischeen with traversing yarn guides which are fixed to machine-length yarn guide rods
  • Fadenchangiervoriquesen with traversing yarn guides has long been known and described in detail in numerous patents, such as US Patent 6,027,065, as well as in various manuals of textile machinery manufacturers.
  • Fadenchangiervoriquesen usually have a machine end side arranged traversing gear, for example in the form of a grooved cylinder roller, which is rotated by an electric motor drive.
  • the yarn guide rods are equipped at their opposite end of the traversing drive each with a defined controllable, pneumatic energy storage.
  • the Fadenchangiervoriques according to US-PS 6,027,065 can be equipped in addition to the pneumatic energy storage with a mechanical energy storage in the form of spring elements acting as impact springs against which the yarn guide rod starts.
  • the yarn guides are initially delayed in the region of their reversal points, that is to say in the area of the coil edges of the cheese and accelerated again after the reversal of the direction of movement, the yarn is not deflected in a sharp-edged manner, but instead a more or less flat reversal arc of the deposited yarn results.
  • edge-laying device To avoid such accumulations of material in the edge zones of a cross-wound bobbin, it is therefore customary to work with a so-called edge-laying device.
  • edge-laying device In such an edge-laying device, the traversing movement of the yarn guide rods is superimposed with a second movement, as described for example in the manual AUTOCORO Fa. Schlaf biost on page 1.2.12.
  • the edge laying results in the thread running onto the surface of the cross-wound bobbin being distributed over a wider area, ie, at and between the inner and outer, when the direction of movement of the thread guide is reversed Reversal points is filed.
  • the inner and outer reversal points of the thread guide can be, for example, 5 mm apart.
  • the present invention seeks to provide a Fadenchangiervorraum, which makes it possible to minimize the thread tension rods occurring at each direction of movement reversal high tensile and compressive loads cost-effectively and reliably.
  • the embodiment of the invention in which are arranged on the yarn guide rod of Fadenchangiervorides drivers, which correspond to a designed as an energy storage spring system, wherein the spring system has at least two prestressed spring elements and a stop disposed therebetween, provides in a simple way Possibility to sufficiently compensate for the kinetic energy of the yarn guide rod both in the area of the inner and in the area of the outer reversal points, that is to immediately convert the braking energy into acceleration energy.
  • the inventive design of the spring system with a degressive spring characteristic ensures that on the one hand in the region of the inner reversal points already sufficient compensation of the kinetic energy of the yarn guide rod is ensured and that on the other hand in the area of the outer reversal points ensures that no overcompensation of the kinetic energy of the yarn guide rod takes place.
  • the spring stiffness of the spring system then corresponds to the spring stiffness of the coil spring used, with the result that the spring characteristic of the spring system now runs much flatter.
  • the spring elements of the spring system are designed as helical compression springs.
  • Such helical compression springs are proven and cost-effective mass-produced components whose exact dimensions and properties, for example, DIN 2098 can be removed.
  • Such helical compression springs have, inter alia, the advantages that they build relatively small and that with them a sufficiently long travel is to be realized.
  • the spring system constructed as an energy store has an overall degressive spring characteristic with a first linearly steeper section and a second linearly flatter section (claim 3).
  • the spring system has a first section in which the spring characteristic initially rises relatively steep and a subsequent, second section with a likewise linear, but much less sharply rising spring characteristic.
  • the spring characteristic on the first portion extends at an angle which is about twice as large as the angle of the spring characteristic on the second portion of the spring characteristic of the spring system.
  • Section of the spring characteristic of the spring system is there, as in
  • Claim 4 arranged so that it corresponds to the position of the arranged on the thread guide rod traversing yarn guide at the inner reversal point.
  • the transition point of the spring characteristics of the spring system on the bias of these spring elements is adjustable in a relatively simple manner.
  • the slope of the spring characteristic of the spring system before the transition point is about twice as high as the steepness of the spring characteristic of the spring system behind the transition point in an advantageous embodiment due to the bias of the spring elements.
  • Fadenchangiervoriques designed as an energy storage spring system has a holder for setting a in the installed state of the energy storage parallel to the yarn guide rod arranged guide pin.
  • a guide slide is slidably mounted, which has a stop for the arranged on the thread guide rod driver.
  • the biased spring elements are arranged, which are positioned so that the stop, when it is not acted upon by the driver, is centered in a central position of the spring system. That is, without additional external loading, the preloaded spring elements first neutralize in the middle of the spring system.
  • Such a trained spring system allows in conjunction with the arranged on the thread guide rod drivers in a cost-effective manner, a compensation of the kinetic energy occurring during the thread laying in the region of the reversal points on the yarn guide rod.
  • the arrangement of prestressed spring elements ensures that in the area of the inner reversal points, in the area between the reversal points and in the area of the outer reversal points, helpful compensating forces of comparable magnitude become effective.
  • each textile machine on more of the spring systems according to the invention each of which can optionally be put into operation. That is, depending on the respective traversing speed of the yarn guide rods, which may arise, for example, from the material to be processed, either all spring systems of the textile machine or even a part of the spring systems can be used simultaneously. Due to the number of spring systems used, an optimal adaptation of the strength of the compensation of the kinetic energy in the direction reversal of the yarn guide rod can be realized in a simple manner.
  • the spring systems according to the invention are preferably each in the region of the section boundaries of
  • the textile machine has each according to their
  • Machine length a certain number of spring systems.
  • the spring systems are preferably designed so that either the holder of the spring system is pivotally mounted, so that the spring system can be taken in total out of the range of action arranged on the thread guide rod driver, or between the prestressed spring elements positioned stop is limited rotatably mounted and can be pivoted out of the work area of the driver.
  • FIG. 2 shows in front view and on a larger scale a spring system according to the invention, which is arranged in the region of a section boundary of the textile machine,
  • 3 is a perspective view of a spring system according to the invention
  • 4 shows a diagram with the course of the spring force of the spring system according to the invention in relation to the spring travel.
  • FIG. 1 shows a front view of a textile machine producing cross-cheeses, in the exemplary embodiment an open-end rotor spinning machine 1.
  • Such textile machines 1 usually have end frames 2, 3 and a plurality of jobs 4, which are arranged between these end frames 2, 3.
  • the individual workstations 4 are arranged in sections, that is, for example, twenty-four workstations 4 (twelve on the machine front and twelve on the back of the machine) form a machine section 24.
  • the machine sections 24 are each mounted in the region of their section boundaries 23 on machine stands 39.
  • Each of the jobs 4 has an open-end spinning device 6 and a winding device 5, wherein in the spinning device 6, a sliver 8, which is held in sliver cans 7, is converted into a thread 9, which is then wound on the winding device 5 to form a cheese 10 becomes.
  • the cross-wound bobbin 10 is rotatably supported in a (not shown) creel and is rotated by means of a drive roller 11, which acts on the cross-wound bobbin 10 frictionally.
  • the thread 9 is also traversed by a traversing yarn guide 12 during emergence on the cheese 10, that is, the thread 9 is placed in intersecting layers on the cheese 10.
  • the traversing thread guides 12 of all jobs 5 a machine side of the textile machine are doing to one set common thread guide rod 13 which is supported in the area of jobs 4 in (not shown) storage facilities and machine end side is connected to a traction drive 14.
  • the integrated, for example, in the end frame 2 traversing drive 14 has, for example, a grooved drum 15, which is rotatable by means of an electric motor 16.
  • a (schematically indicated) edge laying device 18 is arranged in the end frame 2, which ensures that accumulation of material in the area of the cross-coil edges can not occur during the winding process.
  • energy stores 30 are also arranged, which according to the invention are designed as spring systems 33 and are explained in more detail below, in particular with reference to FIGS. 2 to 4.
  • FIG. 2 shows, in a front view and on a larger scale, two work stations 4 arranged in the region of a section boundary 23, each of which belongs to adjacent machine sections 24 of the textile machine 1.
  • each of the work stations 4 has an open-end spinning device 6, which processes a sliver 8 into a yarn 9, which is then wound on a winding device 5 to form a cross-wound bobbin 10.
  • the cheese 10 is rotated for this purpose by a rotating in the direction of arrow R drive roller 11 via frictional engagement and trailing yarn 9 traversed by the total designated by the reference numeral 20 Fadenchangier worn in the direction of the double arrow VZ.
  • the individual traversing thread guides 12 of the thread-changing device 20 are connected to a common, machine-length thread guide rod 13, which is acted upon by a traversing mechanism 14 and a per se known and in Fig. 1 only schematically indicated edge laying device 18.
  • the traversing yarn guides 12 are constantly traversed between the flanks of the cheese 5, as is strongly indicated in Fig. 2 by means of a curve 51.
  • the reversal of movement of the traversing yarn guide 12 takes place, as is known, alternately at inner or outer reversal points or the direction of movement reversal takes place alternately in the lying between the inner and outer reversal points areas.
  • the outer reversal points (22) are in the region of the cheese spider edges, while the inner reversal points (21) are offset slightly to the coil center.
  • each energy storage 30 is arranged on machine stands 39, for example, limitedly movable about a pivot axis 40.
  • These energy stores 30 are, as shown particularly in FIG. 3, preferably designed as a spring system 33. That is, each energy storage 30 each consists of a holder 36 in which a guide pin 37 is fixed, which is arranged in the assembled state of the energy storage 30 parallel to the yarn guide rod 13 of the textile machine 1.
  • a guide slide 38 is axially displaceably guided, which is equipped with a stop 32.
  • the guide carriage 38 is biased on both sides by biased spring elements 34A and 34B, which are also mounted on the guide pin 37.
  • the stopper 32 is alternately acted upon by drivers 31 which are fixed on the yarn guide rod 13.
  • the arranged on the guide carriage 38 stop 32 is displaced axially on the guide pin 37, resulting in that one of the prestressed spring elements, for example, the spring element 34A is compressed, while the other spring element 34B expands simultaneously.
  • the arrangement and design of the spring elements 34A, 34B of the spring system 33 are chosen so that the spring system 33, as indicated in Fig. 4 by a diagram, a total of a degressive spring characteristic, which is formed by the spring characteristic sections 45 and 46.
  • Fig. 4 are on the abscissa of the spring travel W of the spring element 34A, 34B registered on the ordinate by the spring element 34A, 34B on the stop 32 and on the driver (31) acting on the yarn guide rod spring force F.
  • the spring element 34A When the stop 32 is displaced, for example in the direction of the spring element 34A, the spring element 34A is continuously tensioned while at the same time the spring element 34B is continuously being relaxed.
  • the arrangement of the spring elements 34A and 34B is chosen so that when the traversing yarn guide 12 the inner
  • transition point between the spring characteristic sections 45, 46 is indicated by reference numeral 50; this transition point 46 is in the range of the inner turning points 21.
  • portion 46 of the spring characteristic of the spring system 33 the steepness of which results from the design of the helical compression spring used, in the region of the spring travel c, ie between the inner reversal point 21 and the outer reversal point 22 of the traversing yarn guide 12 a significantly flatter course, as the section 45 of Spring characteristic in the region between the center position M of the stop 32 and the transition point 50.
  • the spring system 33 according to the invention therefore has a total of the degressive course of the spring characteristic 45, 46 shown in FIG. 4.
  • Such a degressive course of the spring characteristic curve 45, 46 of the spring system 33 according to the invention has the result that conditions are present both in the area of the inner reversal points 21 and the outer reversal points 22 and in the areas lying between the reversal points with respect to the spring forces of the energy accumulator 30, which ensure at each point a good compensation of the kinetic energy of the yarn guide rod 13 in the direction of movement reversal.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)
  • Springs (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)

Abstract

L'invention concerne un dispositif de va-et-vient de fil (20) pour une machine textile (1) produisant des bobines croisées, présentant une pluralité de postes de travail (4), comprenant une barre de guide-fils (13) entraînée de manière traversante, s'étendant dans le sens longitudinal de la machine, à laquelle sont fixés des guide-fils va-et-vient (12). Le dispositif de va-et-vient de fil (20) est en outre équipé d'un dénommé système de déplacement de bord (18), qui assure que les guide-fils va-et-vient (12) viennent en contact aussi bien avec les points d'inversion interne (21) qu'externe (22). En outre, le dispositif de va-et-vient de fil (20) présente au moins un réservoir d'énergie (30) qui assiste le changement de direction de la barre de guide-fils (13) dans la zone des points d'inversion (21, 22). Selon l'invention, des entraîneurs (31) sont disposés sur la barre de guide-fils (13), ces derniers coopérant de manière alternée dans les zones d'extrémité de va-et-vient avec une butée (32) d'un système à ressort (33) conçu sous la forme d'un réservoir d'énergie (30). Le système à ressort (33) présente au moins deux éléments ressorts (34A, 34B) précontraints, qui s'appliquent contre la butée (32) sur les deux côtés opposés et qui sont conçus et positionnés de telle sorte que le système à ressort (33) présente respectivement une courbe caractéristique de ressort (45, 46) dégressive des deux côtés en partant d'un point de repos (M).
PCT/EP2007/009074 2006-11-11 2007-10-19 Dispositif de va-et-vient de fil pour une machine textile produisant des bobines croisées WO2008058605A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502007003806T DE502007003806D1 (de) 2006-11-11 2007-10-19 Fadenchangiervorrichtung für eine kreuzspulen herstellende textilmaschine
CN2007800417910A CN101535159B (zh) 2006-11-11 2007-10-19 制造交叉卷绕筒的纺织机用的纱线横动装置
AT07819139T ATE467600T1 (de) 2006-11-11 2007-10-19 Fadenchangiervorrichtung für eine kreuzspulen herstellende textilmaschine
EP07819139A EP2106378B1 (fr) 2006-11-11 2007-10-19 Dispositif de va-et-vient de fil pour une machine textile produisant des bobines croisées

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006053135.3 2006-11-11
DE102006053135A DE102006053135A1 (de) 2006-11-11 2006-11-11 Fadenchangiervorrichtung für eine Kreuzspulen herstellende Textilmaschine

Publications (1)

Publication Number Publication Date
WO2008058605A1 true WO2008058605A1 (fr) 2008-05-22

Family

ID=38724515

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/009074 WO2008058605A1 (fr) 2006-11-11 2007-10-19 Dispositif de va-et-vient de fil pour une machine textile produisant des bobines croisées

Country Status (5)

Country Link
EP (1) EP2106378B1 (fr)
CN (1) CN101535159B (fr)
AT (1) ATE467600T1 (fr)
DE (2) DE102006053135A1 (fr)
WO (1) WO2008058605A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101823649B (zh) * 2010-04-29 2012-02-29 江苏南星科技实业有限公司 一种假捻变形机的纱线卷绕动程调整装置
CZ303167B6 (cs) * 2011-09-06 2012-05-09 Technická univerzita v Liberci Zpusob a zarízení k rozvádení príze na textilních strojích
DE102016007449A1 (de) * 2016-06-17 2017-12-21 Saurer Germany Gmbh & Co. Kg Transportverstärkung für eine Auflaufspulen herstellende Textilmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301699A (en) * 1941-09-29 1942-11-10 Whitin Machine Works Traverse motion
US3858818A (en) * 1971-02-12 1975-01-07 Heberlein & Co Ag Thread windup apparatus and process
DE19644911A1 (de) * 1995-11-06 1997-05-07 Barmag Barmer Maschf Aufspulmaschine mit Changiereinrichtung
DE19708936A1 (de) * 1997-03-05 1998-09-10 Novibra Gmbh Fadenchangiervorrichtung an einer Kreuzspulen herstellenden Textilmaschine
WO2004031060A2 (fr) * 2002-10-02 2004-04-15 Indramat Refu Gmbh Dispositif d'enroulement d'un fil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH527113A (de) * 1971-02-12 1972-08-31 Heberlein & Co Ag Verfahren und Einrichtung zur Hubbewegungsumkehr der Fadenführerstange einer Fadenaufwickelvorrichtung
DE2130718A1 (de) * 1971-06-21 1972-12-28 Zinser Textilmaschinen Gmbh Fadenverlegevorrichtung einer Textilmaschine
DE19960024A1 (de) * 1998-12-18 2000-06-21 Schlafhorst & Co W Fadenführer zum traversierenden Zuführen eines Fadens zu einer rotierend angetriebenen Auflaufspule
DE10021963A1 (de) * 1999-05-14 2000-12-21 Barmag Barmer Maschf Verfahren und Vorrichtung zum Aufwickeln eines kontinuierlich zulaufenden Fadens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301699A (en) * 1941-09-29 1942-11-10 Whitin Machine Works Traverse motion
US3858818A (en) * 1971-02-12 1975-01-07 Heberlein & Co Ag Thread windup apparatus and process
DE19644911A1 (de) * 1995-11-06 1997-05-07 Barmag Barmer Maschf Aufspulmaschine mit Changiereinrichtung
DE19708936A1 (de) * 1997-03-05 1998-09-10 Novibra Gmbh Fadenchangiervorrichtung an einer Kreuzspulen herstellenden Textilmaschine
WO2004031060A2 (fr) * 2002-10-02 2004-04-15 Indramat Refu Gmbh Dispositif d'enroulement d'un fil

Also Published As

Publication number Publication date
EP2106378B1 (fr) 2010-05-12
ATE467600T1 (de) 2010-05-15
EP2106378A1 (fr) 2009-10-07
DE502007003806D1 (de) 2010-06-24
CN101535159A (zh) 2009-09-16
DE102006053135A1 (de) 2008-05-15
CN101535159B (zh) 2012-01-11

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