US20090134263A1 - Method for Avoiding Ribbon Windings - Google Patents

Method for Avoiding Ribbon Windings Download PDF

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Publication number
US20090134263A1
US20090134263A1 US12/084,520 US8452006A US2009134263A1 US 20090134263 A1 US20090134263 A1 US 20090134263A1 US 8452006 A US8452006 A US 8452006A US 2009134263 A1 US2009134263 A1 US 2009134263A1
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US
United States
Prior art keywords
cross
winding
bobbin
wound
winding angle
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.)
Abandoned
Application number
US12/084,520
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English (en)
Inventor
Maximilian Preutenborbeck
Jurgen Meyer
Manfred Lassmann
Olaf Reissig
Gregor Gebald
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
Assigned to OERLIKON TEXTILE GMBH & CO. KG reassignment OERLIKON TEXTILE GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GEBALD, GREGOR, LASSMANN, MANFRED, MEYER, JURGEN, PREUTENBORBECK, MAXIMILIAN, REISSIG, OLAF
Publication of US20090134263A1 publication Critical patent/US20090134263A1/en
Abandoned legal-status Critical Current

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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
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • 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 method for avoiding ribbon windings during the production of take-up bobbins
  • Method for avoiding ribbon windings in the production of take-up bobbins which are wound at the workstations of textile machines producing cross-wound bobbins in the “random winding” type of winding by changing the traversing speed at which the thread is wound onto the take-up bobbin, the workstations in each case having a single motor drive, which can be activated in a defined manner for the rotation of the cross-wound bobbin, and a single motor drive which can be activated in a defined manner for a traversing thread guide.
  • Such ribbon windings always occur if a whole-number winding ratio is present, in other words, if the cross-wound bobbin carries out one or more complete revolutions per double stroke of the traversing thread guide.
  • the reversal points of the thread are substantially located over the reversal points of the previous stroke, so the thread is repeatedly placed on the same or a directly adjacent point on the winding periphery which leads to ribbon-like thread layers which are designated ribbon windings.
  • the two drives are also connected to one another by an electronic gearing in such a way that the winding rollers and therefore the cross-wound bobbins are driven in such a way, synchronously and as a function of the movement of the traversing thread guides, that the quotient of the rotational speed of the cross-wound bobbins and the cosine of half the thread cross-winding angle is constant.
  • the traversing speed of the thread guides and the rotational speed of the winding rollers are constantly changed here in opposite directions between predetermined top and bottom values around an average value.
  • a ribbon disrupting method for cross-wound bobbins, which are wound in the “random winding” type of winding is also described in DE 102 09 851 A1.
  • the rotational speed of the winding roller is fixed and the cross-winding angle is changed by changing the speed of the traversing thread guide for the purpose of ribbon disruption.
  • the drive for the winding rollers and the drive for the traversing thread guides are configured as speed-controllable motors, to which a signal representing the value of the desired cross-winding angle is supplied, from which the motors derive the required motor speed.
  • the invention is based on the object of providing a relatively simple method for avoiding ribbon windings, which method is advantageous to use in particular in workstations, which have single motor drives for the winding rollers and the traversing thread guide.
  • the method according to the invention offers the possibility of reliably preventing right from the start the production of ribbon windings in that suitable measures are already taken to disrupt ribbons before a critical region is reached during the winding of a cross-wound bobbin.
  • the winding ratio is adjusted in a defined manner by changing the cross-winding angle in such a way that the production of ribbon windings are reliably ruled out.
  • the changed cross-winding angle is retained here until the critical diameter region of the cross-wound bobbin has been passed.
  • the original cross-winding angle is then reset and winding continues with this cross-winding angle until in the course of the bobbin travel, the diameter of the cross-wound bobbin approaches the next critical diameter region.
  • the diameter data can be calculated, for example, in a workstation computer and processed such that before a critical diameter region of the cross-wound bobbin is reached, a change in the cross-winding angle is in each case initiated in a timely manner.
  • the regions of the cross-wound bobbin are called a critical diameter region, in which a whole-number winding ratio is present, in other words, in which the cross-wound bobbin carries out one or more complete revolutions per double stroke of the traversing thread guide because of the present diameter.
  • the cross-winding angle is reduced shortly before reaching a critical cross-wound bobbin diameter, by reducing the speed of the traversing thread guide.
  • the workstation computer preferably initiates a speed change of the traversing thread guide.
  • the rotational speed of the winding roller and therefore the winding speed of the cross-wound bobbin are also adjusted in such a way that the thread tension of the running-on threads remains virtually constant.
  • the speeds of the traversing thread guide and winding roller are adjusted in such a way that the resultant force of the displacement speed of the traversing thread guide and the rotational speed of the winding roller constantly remain virtually the same.
  • the drive of the traversing thread guide is preferably configured as a stepping motor.
  • stepping motors are economical mass produced components, which can also be very precisely activated in a relatively simple manner. In other words, very precise displacement of the traversing thread guide is possible, for example, with such stepping motors, the outlay for control being kept within reasonable limits.
  • FIG. 1 shows a side view of a workstation of an open-end rotor spinning machine producing cross-wound bobbins, with a winding device which operates by the method according to the invention
  • FIG. 2 schematically shows, to an enlarged scale, the winding device required to carry out the method according to the invention
  • FIG. 3 shows a graph, which makes clear the connection between the rotational speed of the winding roller and the speed of the traversing thread guide, in particular when there is a change in the cross-winding angle
  • FIG. 1 schematically shows a side view of one half of a textile machine 1 producing cross-wound bobbins, in the embodiment of an open-end rotor spinning machine.
  • Textile machines of this type have between their end frames (not shown) a large number of similar workstations 2 , which inter alia have a spinning unit 3 , in each case, as well as a winding device 4 .
  • Fibre bands 6 which are stored in spinning cans 5 , are processed to form threads 7 in spinning units 3 , which threads are then wound on the winding devices 4 to form cross-wound bobbins.
  • the finished cross-wound bobbins 8 are conveyed, for example, by means of a cross-wound bobbin transporting mechanism 12 to a loading station (not shown) arranged at the end of the machine.
  • the individual workstations 2 apart from the spinning unit 3 and the winding device 4 , also have further handling mechanism, for example a thread take-off mechanism 10 , a suction nozzle 17 or a waxing device 14 .
  • further handling mechanism for example a thread take-off mechanism 10 , a suction nozzle 17 or a waxing device 14 .
  • the functions of these components are known and described in detail in numerous patents.
  • the winding device 4 substantially has a creel 9 , a winding roller 11 as well as a thread traversing mechanism 16 .
  • the winding roller 11 which can be driven by a single motor by means of a drive 13 , in this case drives the cross-wound bobbin 8 , which is freely mounted in the creel 9 , by frictional engagement.
  • FIG. 2 schematically shows a front view of a winding device 4 required to carry out the method according to the invention.
  • the cross-wound bobbin 8 freely rotatably held in a creel (not shown) rests on a winding roller 11 and is entrained thereby by frictional engagement.
  • the winding roller 11 is in this case connected to a drive 13 , which is in turn connected via a control line 23 to a workstation computer 19 .
  • a thread traversing mechanism 16 is also provided, the traversing thread guide 18 of which is driven in an oscillating manner by its own drive, preferably a stepping motor 20 .
  • the stepping motor 20 is also connected to the workstation computer 19 via a control line 24 and can be activated thereby in a defined manner.
  • a sensor mechanism 21 is provided, which is connected via a signal line 22 to the workstation computer 19 and detects the respective rotational speed of the cross-wound bobbin 8 during the winding process.
  • the workstation computer 19 is supplied with signals of the sensor mechanism 21 and, using the rotational speed of the winding roller, the known diameter of the winding roller and the rotational speed of the cross-wound bobbin 8 determined by the sensor mechanism 21 constantly calculates the instantaneous diameter of the cross-wound bobbin 8 .
  • FIG. 3 shows a graph, in which the speed V FF of the traversing thread guide 18 is shown on the abscissa and the rotational speed V WW of the winding roller 11 is shown on the ordinate.
  • a thread take-up speed V A1 is produced during the regular bobbin travel at a speed V 1 FF of the thread guide 18 and a rotational speed V 1 WW of the winding roller 11 .
  • the thread runs onto the cross-wound bobbin 8 at an angle ⁇ /2.
  • FIG. 4 shows a cross-wound bobbin 8 , which has reached a first critical diameter region D SP k depending on the bobbin width B SP and the cross-winding angle ⁇ .
  • D SP k first critical diameter region
  • FIG. 4 shows a cross-wound bobbin 8 , which has reached a first critical diameter region D SP k depending on the bobbin width B SP and the cross-winding angle ⁇ .
  • a plurality of complete revolutions of the cross-wound bobbin 8 would take place at this diameter of the cross-wound bobbin 8 and a cross-winding angle ⁇ per double stroke of the traversing thread guide 18 , with the result that the thread would be placed in thread deposits located one above the other.
  • the value of the cross-winding angle ⁇ is changed to ⁇ 1 shortly before reaching the critical diameter region D SP k .
  • ⁇ 1 and a bobbin width B SP it is ensured, in the region of the cross-wound bobbin diameter D SP k that no ribbon windings can occur.
  • the most important parameters of the cross-wound bobbin for example the provided final diameter of the cross-wound bobbin 8 , the bobbin width B SP , the cross-winding angle ⁇ , with which the cross-wound bobbin 8 is to be wound, as well as a further cross-winding angle ⁇ 1 are established and input for example into the central control unit of a textile machine.
  • the central control unit of a textile machine is, in this case, in turn connected to the individual workstation computers 19 of the workstations 2 preferably via a bus connection or the like.
  • the central control unit or the workstation computers 19 firstly calculates/calculate, with the aid of the aforementioned data, the critical diameter regions D SP k of the cross-wound bobbin, in other words, the regions in which if no particular measures are taken, ribbon windings would occur.
  • the reduction in the cross-winding angle ⁇ to ⁇ 1 takes place here by reducing the speed V FF of the traversing thread guide 18 .
  • the workstation computer 19 activates the drive 20 of the thread traversing mechanism 16 in the direction of “deceleration”.
  • the workstation computer 19 In order to continue to keep the thread tension of the thread 7 running onto the cross-wound bobbin 8 constant, the workstation computer 19 simultaneously also activates the drive 13 of the winding roller 11 in the direction of “acceleration”. In other words, the rotational speed V WW of the winding roller 11 is increased in such a way that the take-up speed V A of the thread 7 onto the cross-wound bobbin 8 remains virtually constant despite the change in the cross-winding angle.
  • the invention is not limited to the embodiment shown; in an alternative embodiment, instead of the workstation computers, section computers or the central control mechanism of the textile machine can obviously also be used as the control computer.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
US12/084,520 2005-11-15 2006-11-07 Method for Avoiding Ribbon Windings Abandoned US20090134263A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005054356A DE102005054356A1 (de) 2005-11-15 2005-11-15 Verfahren zur Vermeidung von Bildwicklungen
DE102005054356.1 2005-11-15
PCT/EP2006/010624 WO2007057109A1 (de) 2005-11-15 2006-11-07 Verfahren zur vermeidung von bildwicklungen

Publications (1)

Publication Number Publication Date
US20090134263A1 true US20090134263A1 (en) 2009-05-28

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ID=37635676

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/084,520 Abandoned US20090134263A1 (en) 2005-11-15 2006-11-07 Method for Avoiding Ribbon Windings

Country Status (5)

Country Link
US (1) US20090134263A1 (de)
EP (1) EP1951605A1 (de)
CN (1) CN101291862A (de)
DE (1) DE102005054356A1 (de)
WO (1) WO2007057109A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008008083A1 (de) 2008-01-28 2009-07-30 Wilhelm Stahlecker Gmbh Verfahren und Vorrichtung zum Herstellen von Kreuzwickelspulen
DE102008032654A1 (de) 2008-07-10 2010-01-14 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zur Bildstörung beim Aufwickeln eines Fadens
CN101407983B (zh) * 2008-11-04 2011-07-20 宁波雅戈尔日中纺织印染有限公司 一种真丝织物筒子纱的染色方法
JP2012250810A (ja) * 2011-06-02 2012-12-20 Murata Machinery Ltd 糸巻取装置
DE102016004563A1 (de) * 2016-04-15 2017-10-19 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Aufwickeln eines Fadens
EP3865443A4 (de) * 2018-10-09 2022-09-07 TMT Machinery, Inc. Garnwickelmaschine und garnwickelverfahren
JP7371826B2 (ja) * 2020-05-22 2023-10-31 島津産機システムズ株式会社 繊維巻取装置
CN113651173B (zh) * 2021-08-13 2022-11-11 浙江泰坦股份有限公司 一种纱线电子成型防叠方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060208A (en) * 1975-07-31 1977-11-29 W. Schlafhorst & Co. Method and device for irregularizing or disturbing a winding pattern in a winding apparatus for cross-wound coils
US4504021A (en) * 1982-03-20 1985-03-12 Barmag Barmer Maschinenfabrik Ag Ribbon free wound yarn package and method and apparatus for producing the same
US6003806A (en) * 1996-07-15 1999-12-21 W. Schlafhorst Ag & Co. Method for preventing pattern windings in random wound yarn packages
US6283401B1 (en) * 1999-05-14 2001-09-04 Barmag Ag Method and apparatus for winding a continuously advancing yarn
US6425546B1 (en) * 1999-10-15 2002-07-30 Murata Kikai Kabushiki Kaisha Ribbon winding preventing method and traverse drum

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914924A1 (de) * 1979-04-12 1980-10-30 Barmag Barmer Maschf Aufspuleinrichtung
JPH0346966A (ja) * 1989-07-14 1991-02-28 Murata Mach Ltd パッケージ巻取方法
DE4310905A1 (de) * 1993-04-02 1994-10-06 Schlafhorst & Co W Verfahren und Vorrichtung zur Fadenverlegung auf einer Kreuzspule
DE4337891A1 (de) * 1993-11-05 1995-05-11 Zinser Textilmaschinen Gmbh Verfahren und Vorrichtung zum Aufspulen von Fäden
EP0950627A1 (de) * 1998-04-17 1999-10-20 Schärer Schweiter Mettler AG Verfahren und Vorrichtung zum Aufwickeln eines mit konstanter Geschwindigkeit gelieferten Fadens auf eine Spule
DE19829597A1 (de) * 1998-07-02 2000-01-05 Schlafhorst & Co W Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
DE10015933B4 (de) * 2000-03-30 2015-09-03 Saurer Germany Gmbh & Co. Kg Verfahren zum Herstellen einer Stufenpräzisionswicklung
DE10209851A1 (de) * 2002-03-06 2003-09-18 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Aufwinden eines Fadens an einer Kreuzspuleinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060208A (en) * 1975-07-31 1977-11-29 W. Schlafhorst & Co. Method and device for irregularizing or disturbing a winding pattern in a winding apparatus for cross-wound coils
US4504021A (en) * 1982-03-20 1985-03-12 Barmag Barmer Maschinenfabrik Ag Ribbon free wound yarn package and method and apparatus for producing the same
US6003806A (en) * 1996-07-15 1999-12-21 W. Schlafhorst Ag & Co. Method for preventing pattern windings in random wound yarn packages
US6283401B1 (en) * 1999-05-14 2001-09-04 Barmag Ag Method and apparatus for winding a continuously advancing yarn
US6425546B1 (en) * 1999-10-15 2002-07-30 Murata Kikai Kabushiki Kaisha Ribbon winding preventing method and traverse drum

Also Published As

Publication number Publication date
CN101291862A (zh) 2008-10-22
EP1951605A1 (de) 2008-08-06
WO2007057109A1 (de) 2007-05-24
DE102005054356A1 (de) 2007-05-16

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Owner name: OERLIKON TEXTILE GMBH & CO. KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PREUTENBORBECK, MAXIMILIAN;MEYER, JURGEN;LASSMANN, MANFRED;AND OTHERS;REEL/FRAME:020935/0237;SIGNING DATES FROM 20080325 TO 20080331

STCB Information on status: application discontinuation

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