EP1717183A1 - Method of searching the yarn end on bobbin of the textile machine with an individual drive of live roller of winding mechanism and a service device to carry out the method - Google Patents

Method of searching the yarn end on bobbin of the textile machine with an individual drive of live roller of winding mechanism and a service device to carry out the method Download PDF

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Publication number
EP1717183A1
EP1717183A1 EP06466003A EP06466003A EP1717183A1 EP 1717183 A1 EP1717183 A1 EP 1717183A1 EP 06466003 A EP06466003 A EP 06466003A EP 06466003 A EP06466003 A EP 06466003A EP 1717183 A1 EP1717183 A1 EP 1717183A1
Authority
EP
European Patent Office
Prior art keywords
bobbin
searching
nozzle
mouth
searching nozzle
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.)
Withdrawn
Application number
EP06466003A
Other languages
German (de)
English (en)
French (fr)
Inventor
Evzen Pilar
Petr Poznik
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.)
Rieter CZ sro
Original Assignee
Rieter CZ sro
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 Rieter CZ sro filed Critical Rieter CZ sro
Publication of EP1717183A1 publication Critical patent/EP1717183A1/en
Withdrawn legal-status Critical Current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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • 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 the method of searching the yarn end on bobbin of a textile machine, especially of the spinning machine with individual drive of the live roller of a bobbin being wound, at which during the course of renewal of winding process, on the working station of the textile machine, the searching nozzle on a service device approaches the bobbin and through acting of underpressure, the yarn end is sucked from the rotating bobbin into the searching nozzle.
  • the invention relates to the service device of a textile machine, especially of the spinning machine, containing at least one row of working stations with winding mechanism of bobbin with individual drive of the live roller of a bobbin being wound, while the service device contains the searching device of yarn end on the bobbin and a positioning device, on which the searching nozzle is positioned, finished with a mouth, which can be optionally connected to the source of underpressure.
  • the service device of a spinning machine contains a pivoted searching nozzle coupled with shifting servo-drive, which serves for moving the searching nozzle into the immediate vicinity of the bobbin perimeter.
  • the shifting servo-drive is coupled with means for adapting the position of searching nozzle to the actual diameter of the bobbin. Using these means the bobbin diameter is detected and consequently according to its value the process of advancing the mouth of searching nozzle to the bobbin perimeter is controlled in such a manner so that the shifting servo-drive stops the movement of searching nozzle always at the same distance from the bobbin perimeter.
  • the solution according to the CZ 281 245 B6 results in a more simple structure of service device, at which first the bobbin is lifted in arms above the live roller, then the auxiliary live roller is applied and the pivoted searching nozzle contacts the bobbin perimeter with its mouth.
  • the required distance of mouth of the searching nozzle from the bobbin is after then measured during the backwards motion of the bobbin from the searching nozzle, while the moment of contact loss between the searching nozzle and bobbin is being considered as the basic point for measuring the distance between the mouth of searching nozzle and the bobbin.
  • the necessary contact of the searching nozzle with surface of the bobbin represents a disadvantage of this solution, and it may result in damage of yarn on the bobbin.
  • Another disadvantage of this solution is a long service time due to lifting the bobbin in the arms and also due to the motion of bobbin necessary for seating the bobbin to the searching nozzle and for a consequent return of the bobbin.
  • the objective of this invention is to eliminate or at least to minimise the disadvantages of the present state of the art on textile machines, especially on spinning machines, spoolers or twisters with individual drive of live roller of winding mechanism, e.g. according to the CZ PV 2003-722 .
  • the objective of this invention has been reached through a method of searching the yarn end on the bobbin of textile machine with individual drive of live roller of the winding mechanism, the principle of which consists in that the vertical position of longitudinal axis of the bobbin is detected by means of a levelling element and a sensor at the first movement of the searching nozzle after detection of which the first movement is stopped, through which the mouth of the searching nozzle is set in the original position for shifting towards the bobbin, after which as a result of the in advance determined distance of the mouth of the searching nozzle in the searching position from surface of the bobbin from the vertical position of longitudinal axis of the bobbin still laying on the live roller, the searching position of the mouth of the searching nozzle is determined and which advances into this position by a second movement of the searching nozzle in a different direction when compared with the first movement, through which the searching nozzle approaches the perimeter of the bobbin to the in advance determined distance at whatever diameter of the bobbin without necessity to measure continuously the diameter of the bobbin.
  • the second movement of the searching nozzle for shifting of its mouth into the searching position in the in advance determined distance from the bobbin is optimum for a successful searching of the yarn end on the bobbin in a straight-lined movement.
  • the searching position of the searching nozzle is determined in a horizontal plane passing through the longitudinal axis of the bobbin based on the knowledge of space arrangement of the winding mechanism depending on the determined actual vertical position of the longitudinal axis of the bobbin laying on the live roller.
  • the distance of mouth of the searching nozzle from the bobbin is measured at least in the last phase of the second movement of the searching nozzle, through which a more exact position setting of mouth of the searching nozzle in the searching position is reached, and the possibility that the searching nozzle runs into the bobbin is excluded.
  • the principle of the service device for searching the yarn end on the bobbin of a textile machine with individual drive of live roller of the winding mechanism consists in that the service device is equipped with means for determining the vertical position of longitudinal axis of the bobbin laying on the live roller in the attended working station while the positioning device is equipped with driving means for initiating two movements of the searching nozzle in two different directions and it is coupled with the control device for determining the searching position of mouth of the searching nozzle.
  • the positioning device is created by a parallelogram to ensure the first movement of the searching nozzle, on which the searching nozzle is mounted in a straight-lined adjustable manner for a second movement of the searching nozzle to and from the bobbin.
  • the positioning device contains at least a couple of linear engines, from which the output member of a motor for drive in the first direction is coupled with a parallelogram, and the output member of a motor for drive in the second direction is coupled with sliding section on which the searching nozzle is positioned.
  • the first section of means for determining the vertical position of longitudinal axis of the bobbin is mounted on the positioning device, while the second section of means for determining the vertical position of longitudinal axis of the bobbin is mounted on the winding mechanism of the attended working station.
  • the first section of means for determining the vertical position of longitudinal axis of the bobbin is mounted on the searching nozzle, and the second section of means for determining the vertical position of longitudinal axis of the bobbin is mounted on the winding mechanism of the attended working station.
  • the first portion of means for determining the vertical position of longitudinal axis of the bobbin is created by the levelling element, and the second section of means for determining the longitudinal axis of the bobbin is created by the sensor of vertical position of the levelling element.
  • the service device is equipped with a device for measuring the distance of the mouth of the searching nozzle from the bobbin at least in the last phase of shifting the mouth of the searching nozzle to the searching position at the bobbin, while the device for measuring the distance of the mouth of the searching nozzle from the bobbin is coupled with the drive of the searching nozzle.
  • the device for measuring the distance of the mouth of the searching nozzle from the bobbin at least in the last phase of shifting the mouth of the searching nozzle to the searching position at the bobbin is mounted on the searching nozzle.
  • the invention is schematically shown in the drawing.
  • the searching nozzle 4 with its mouth 41 in all searching positions at the bobbin 1 is situated towards the bobbin 1 always in the same position, always in the same distance from the bobbin 1 and the orientation towards the bobbin 1 is the same.
  • the searching nozzle 4 in all searching positions is positioned in the same position towards the horizontal plane, thus ensuring entirely identical position of the searching nozzle 4 towards the perimeter of the bobbin 1 within the whole range of package values on the bobbin 1 , i.e.
  • the searching nozzle 4 is being connected to the source of underpressure, the live roller 3 with individual drive starts to turn the bobbin 1 against the direction of rotation during yarn winding, through which the yarn end wound on the bobbin 1 is being sucked into the searching nozzle 4 .
  • some of the procedures for renewal of winding follows, e.g. on the spinning machine some of the procedures for renewal of spinning (spinning-in) and winding then follows.
  • a textile machine, especially the spinning machine contains a number of working stations arranged in a row side by side on one or on both sides of the machine.
  • Each working station contains the winding mechanism in which the yarn is wound up on the bobbin 1 , which is in a pivoted manner mounted in arms 2 that are in a swivelling manner mounted in the machine.
  • the winding mechanism contains the live roller 3 of the bobbin 1 , on which the bobbin 1 is laying during its winding, and which has and individual drive.
  • the arms 2 are swivelling along the axis being parallel to the longitudinal axis of the live roller 3 and they can be opened for the purpose of removal of fully wound up bobbin 1 and insertion of an empty tube for winding of a new bobbin 1 .
  • Textile machine is provided with service device which is positioned in an adjustable manner on the machine along at least one row of working stations of the machine with possibility to stop at any selected working station, and next to a quantity of means serving for operation of individual known not illustrated joints of individual working stations of the machine, it also contains a searching mechanism for searching the yarn end on the bobbin 1 .
  • the searching mechanism contains the searching nozzle 4 , which contains the cavity finished with a mouth 41 , possibly a suction opening, and which can be connected to the source of underpressure.
  • the mouth 41 of the searching nozzle 4 is created into a shape of a slot having the width corresponding to the width of package on the bobbin 1 .
  • the searching nozzle 4 is in the service device mounted in an adjustable manner in the direction to and from the bobbin 1 .
  • the searching nozzle 4 is on the service device mounted by means of a positioning device for shifting into the searching position for the mouth 41 of the searching nozzle 4 and for maintaining the same space of the mouth 41 of the searching nozzle 4 in a searching position from the bobbin 1 in the whole range of package values, i.e. from the zero package on an empty tube up to a maximum package on a fully wound bobbin 1 .
  • the service device is provided with means for detecting the vertical position of longitudinal axis of the bobbin 1 laying on the live roller 3 with individual drive, this in the whole range of possible package values i.e. from the zero package on an empty tube up to a maximum package on a fully wound bobbin 1 .
  • These means are mounted best of all on the positioning device directly including a mounting directly on the searching nozzle 4 .
  • the means for detecting a vertical position of longitudinal axis of the bobbin 1 laying on the live roller 3 with individual drive have, according to one execution, an optical scanner e.g. an optical sensor 42 of vertical position of levelling element created at least on one arm 2 .
  • the levelling element indicates directly or indirectly i.e. with a certain mathematical correction according to the space arrangement of the system sensor - arms 2 - bobbin 1 - live roller 3 the position of longitudinal axis of the bobbin 1 .
  • the means for detecting the vertical position of longitudinal axis of the bobbin 1 have a mechanical (contact) sensor of the levelling element.
  • the levelling element is e.g. the existing part of arms 2 , e.g.
  • a suitable projection etc. or it can be represented by a levelling pin 20 for this purpose fastened at least on one arm 2 etc.
  • the means for detecting the vertical position of longitudinal axis of the bobbin 1 . laying on the live roller 3 with individual drive are created in another suitable manner, e.g. by a laser transmitter/receiver on the service device and by a reflection means (mirror) in the system of arms 2 - bobbin 1 etc.
  • the positioning device is provided with at least one drive connected to the control device for detecting the searching position of the mouth 41 of the searching device 4 based on knowledge of space arrangement of the winding mechanism depending on the detected actual vertical position of longitudinal axis of the bobbin 1 . laying on the live roller 3 .
  • the positioning device is created by a parallelogram with a drive created by a rotation stepping motor 40 , which enables to control the movement of positioning device in a precise and simple manner.
  • the parallelogram has been designed so that the first movement of the searching nozzle 4 is performed by tilting its arms by the stepping motor 40 until the vertical position of longitudinal axis of the bobbin 1 is detected, the second movement of the searching nozzle 4 is performed through independent straight shifting of the searching nozzle 4 in direction towards the bobbin 1 and from the bobbin 1 At the same time the searching nozzle 4 is coupled with the drive 42 for an independent straight shifting independent on the drive of the parallelogram created by the stepping motor 40 .
  • the positioning device is created by other suitable device, e.g. by a couple (or also by a larger number) of linear motors, out of which one is situated in vertical and the second in horizontal direction.
  • the searching nozzle 4 is mounted on a movable section of one of the motors, e.g. on a horizontally oriented motor, which is mounted on a movable section of the second motor.
  • the linear motors are connected to the control device, which, on basis of actually detected vertical position of longitudinal axis of the bobbin 1 and knowledge of space arrangement of the winding mechanism, determines the corresponding shifting in each direction that leads to a proper setting of the mouth 41 of the searching nozzle 4 into the searching position.
  • the service device is equipped with a device for measuring the distance of the mouth 41 of the searching nozzle 4 from the bobbin 1 at least in the last phase of shifting of the mouth 41 of the searching nozzle 4 into the searching position at the bobbin 1 .
  • the equipment for measuring the distance of the mouth 41 of the searching nozzle 4 from the bobbin 1 is coupled with a drive of searching nozzle 4 , e.g. via the control device controlling the drive of positioning device etc.
  • the service device is provided with a device for measuring the distance of the mouth 41 of the searching nozzle 4 from the bobbin 1 for a whole time of shifting the mouth 41 of the searching nozzle 4 into the searching position at the bobbin 1 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP06466003A 2005-04-27 2006-04-26 Method of searching the yarn end on bobbin of the textile machine with an individual drive of live roller of winding mechanism and a service device to carry out the method Withdrawn EP1717183A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2005-266A CZ304394B6 (cs) 2005-04-27 2005-04-27 Způsob vyhledávání konce příze na cívce textilního stroje s individuálním pohonem hnacího válce navíjecího ústrojí a obslužné zařízení k provádění způsobu

Publications (1)

Publication Number Publication Date
EP1717183A1 true EP1717183A1 (en) 2006-11-02

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ID=36716591

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EP06466003A Withdrawn EP1717183A1 (en) 2005-04-27 2006-04-26 Method of searching the yarn end on bobbin of the textile machine with an individual drive of live roller of winding mechanism and a service device to carry out the method

Country Status (3)

Country Link
EP (1) EP1717183A1 (cs)
CN (1) CN1899940A (cs)
CZ (1) CZ304394B6 (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006026548A1 (de) * 2006-06-08 2007-12-13 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitstelle einer Kreutzspulen herstellenden Textilmaschine
EP3241794A1 (de) 2016-05-06 2017-11-08 Rieter Ingolstadt GmbH Verfahren zum handhaben eines fadenendes und spulstelle
EP3453662A1 (en) * 2017-09-04 2019-03-13 Murata Machinery, Ltd. Yarn winding machine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014108846A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機及び糸巻取機を備えた繊維機械
JP2014108845A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機
CZ2016746A3 (cs) * 2016-11-30 2018-06-13 Rieter Cz S.R.O. Způsob vyhledání konce příze na cívce textilního stroje vyrábějícího nebo zpracovávajícího přízi a zařízení k jeho provádění
CN106904491B (zh) * 2017-03-17 2023-03-31 杭州锐冠科技有限公司 一种插线装置
JP2019031381A (ja) * 2017-08-09 2019-02-28 村田機械株式会社 糸引出装置及び糸巻取機

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE1560367A1 (de) * 1965-09-08 1971-03-25 Elitex Zd Y Textilniho Strojir Vorrichtung zum pneumatischen Suchen des Fadenendes auf einer sich bildenden Spule bei automatischen Spulmaschinen
DE2536991A1 (de) * 1975-08-20 1977-03-03 Schlafhorst & Co W Vorrichtung zum einstellen einer ruecklaeufigen drehbewegung einer spule
DE3937731A1 (de) * 1989-01-25 1990-08-02 Vyzk Ustav Bavlnarsky Verfahren und vorrichtung zum positionieren der muendung eines absaugrohrs gegenueber der oberflaeche einer garnspule an einer textilmaschine
DE3921202A1 (de) * 1989-06-28 1991-01-03 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur funktionsgerechten positionierung einer fadensuchduese
US5090635A (en) * 1990-02-22 1992-02-25 W. Schlafhorst Ag & Co. Machine for producing cross-wound bobbins or cheeses
DE10150590A1 (de) * 2001-10-12 2003-04-24 Schlafhorst & Co W Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

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CH570338A5 (cs) * 1974-03-18 1975-12-15 Schweiter Ag Maschf
DE3827345A1 (de) * 1988-08-12 1990-03-01 Fritz Stahlecker Entlang einer spinnmaschine verfahrbares wartungsgeraet mit mitteln zum suchen eines fadens von einer spule
CZ281245B6 (cs) * 1995-03-14 1996-07-17 Maschinenfabrik Rieter Ag Způsob ustavování ústí vyhledávací hubice proti obvodu cívky a obslužné zařízení k provádění tohoto způsobu
DE10123834A1 (de) * 2001-05-16 2002-11-21 Schlafhorst & Co W Vorrichtung zum Aufwickeln eines laufenden Fadens auf eine Auflaufspule an einer Arbeitsstelle einer Textilmaschine
DE10139075A1 (de) * 2001-08-09 2003-02-20 Schlafhorst & Co W Offenend-Rotorspinnmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1560367A1 (de) * 1965-09-08 1971-03-25 Elitex Zd Y Textilniho Strojir Vorrichtung zum pneumatischen Suchen des Fadenendes auf einer sich bildenden Spule bei automatischen Spulmaschinen
DE2536991A1 (de) * 1975-08-20 1977-03-03 Schlafhorst & Co W Vorrichtung zum einstellen einer ruecklaeufigen drehbewegung einer spule
DE3937731A1 (de) * 1989-01-25 1990-08-02 Vyzk Ustav Bavlnarsky Verfahren und vorrichtung zum positionieren der muendung eines absaugrohrs gegenueber der oberflaeche einer garnspule an einer textilmaschine
DE3921202A1 (de) * 1989-06-28 1991-01-03 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zur funktionsgerechten positionierung einer fadensuchduese
US5090635A (en) * 1990-02-22 1992-02-25 W. Schlafhorst Ag & Co. Machine for producing cross-wound bobbins or cheeses
DE10150590A1 (de) * 2001-10-12 2003-04-24 Schlafhorst & Co W Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006026548A1 (de) * 2006-06-08 2007-12-13 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitstelle einer Kreutzspulen herstellenden Textilmaschine
EP3241794A1 (de) 2016-05-06 2017-11-08 Rieter Ingolstadt GmbH Verfahren zum handhaben eines fadenendes und spulstelle
DE102016108423A1 (de) 2016-05-06 2017-11-09 Rieter Ingolstadt Gmbh Verfahren zum Handhaben eines Fadenendes und Spulstelle
US10465312B2 (en) 2016-05-06 2019-11-05 Rieter Ingolstadt Gmbh Method for handling a thread end and a winding station
EP3453662A1 (en) * 2017-09-04 2019-03-13 Murata Machinery, Ltd. Yarn winding machine

Also Published As

Publication number Publication date
CZ2005266A3 (cs) 2006-12-13
CZ304394B6 (cs) 2014-04-16
CN1899940A (zh) 2007-01-24

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