EP4122856A1 - Procédé permettant de faire fonctionner un poste de travail d'une machine textile, ainsi que poste de travail d'une machine textile - Google Patents

Procédé permettant de faire fonctionner un poste de travail d'une machine textile, ainsi que poste de travail d'une machine textile Download PDF

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Publication number
EP4122856A1
EP4122856A1 EP22184777.5A EP22184777A EP4122856A1 EP 4122856 A1 EP4122856 A1 EP 4122856A1 EP 22184777 A EP22184777 A EP 22184777A EP 4122856 A1 EP4122856 A1 EP 4122856A1
Authority
EP
European Patent Office
Prior art keywords
yarn
auxiliary
tube
guide
yarn guide
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Withdrawn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
EP22184777.5A
Other languages
German (de)
English (en)
Inventor
Adalbert Stephan
Sebastian Fritz
Gerard Küsters
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP4122856A1 publication Critical patent/EP4122856A1/fr
Withdrawn legal-status Critical Current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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/28—Reciprocating or oscillating guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/003—Arrangements for threading or unthreading the guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062—Electronic slub detector
    • 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 present invention relates to a method for operating a workstation of a textile machine, preferably a winding machine, with the aid of which a yarn is rewound from a first tube to a second tube, or a spinning machine, the yarn oscillating by means of a laying element during winding to form a cheese is, and if necessary moves an auxiliary yarn guide in a yarn path of the yarn and thereby an operative connection between the laying element and the yarn is separated.
  • the invention also relates to a work station of a textile machine, preferably a winding machine, with the aid of which a yarn is wound from a first tube onto a second tube, or a spinning machine.
  • the textile machine includes a laying element, with the help of which the yarn is oscillated to form a cross-wound bobbin, an auxiliary yarn guide, which is moved into a yarn path of the yarn if necessary, thereby separating an operative connection between the laying element and the yarn, and a controller.
  • the yarn and the laying element can thereby be prepared for a continuation of the winding process, for example, independently of one another.
  • the yarn is not in danger of being damaged by the laying element during the preparatory measures.
  • Interruptions in the winding process can be caused, for example, by yarn breakage or by a clearer cut or quality cut. With a clearer cut, the yarn is deliberately severed in order to remove a previously detected yarn defect. After a clearer cut, the yarn that has already been wound up is usually rejoined with the yarn that is still to be wound up using a splicer. If the yarn breaks or is cut, the yarn end running onto the bobbin may be deposited on the bobbin or outside the bobbin in an uncontrolled manner. This makes it difficult to find the end of the yarn to continue the winding process.
  • the intervention of an auxiliary yarn guide allows the yarn end to be deposited in a controlled manner at a location that is favorable for finding the yarn end.
  • an auxiliary yarn guide in the form of a notched plate which lifts the yarn out of a traversing yarn guide after a yarn interruption.
  • the disadvantage here is that the auxiliary yarn guide is brought into engagement only after the yarn has been interrupted, thus creating a time window during which the yarn or the bobbin can be damaged. Uncontrolled depositing of a yarn end on the bobbin can also take place during this time window, making it more difficult to find the yarn end in order to continue the winding process.
  • the object of the present invention is therefore to improve the engagement of the auxiliary yarn guide.
  • the yarn is oscillated by means of a laying element during winding to form a cheese.
  • an auxiliary yarn guide is moved into a yarn path of the yarn, thereby separating an operative connection between the laying element and the yarn. According to the invention, it is proposed that the auxiliary yarn guide be moved into the yarn path immediately before a clearer cut.
  • the yarn end can be placed on the bobbin in a controlled manner by the auxiliary yarn guide, so that the effort involved in finding the yarn end is minimized. A probability of occurrence of damage to the yarn, the bobbin and the laying element is also reduced.
  • a yarn clearer which generally performs the clearer cut described, is designed, for example, to recognize a yarn defect and to perform the clearer cut within a short time.
  • the movement of the auxiliary yarn guide can take place, for example, between the detection of a yarn defect and the execution of the clearer cut.
  • the laying element can also be stopped, for example, only after the auxiliary yarn guide has been moved into the yarn path. Typical yarn defects are, for example, thin or thick places, knots or loops or other deviations from an expected yarn quality.
  • the auxiliary yarn guide is moved, for example, from an initial position into an engagement position, taking the yarn with it and in particular changing the yarn path in such a way that the yarn is guided past the laying element.
  • the first tube is, for example, a spinning tube and the second tube is a winding tube.
  • a spinning machine designed to produce a cross-wound bobbin a spun yarn is wound up directly.
  • auxiliary yarn guide is also moved into the yarn path immediately before, during or after a yarn breakage. In this way, even in the event of a yarn breakage, it is possible to ensure that the yarn end or the severed piece of yarn that runs onto the bobbin is checked.
  • yarn breakage usually occurs unexpectedly, caused by a yarn defect or a malfunction in the textile machine.
  • a movement of the auxiliary yarn guide after yarn breakage can take place in particular when the yarn breakage is detected, for example, by the yarn clearer.
  • a movement of the auxiliary yarn guide before or during yarn breakage can only take place reliably if the yarn breakage is clearly announced to the textile machine. This can be the case, for example, with a sudden change in yarn tension.
  • the textile machine may also record other parameters whose sudden change indicates a yarn break. In these cases, preventive intervention by the auxiliary yarn guide can prove beneficial.
  • a yarn end running onto the second tube or a yarn winding of the second tube is placed in a defined manner, in particular centrally, on the second tube or the yarn winding of the second tube by means of the auxiliary yarn guide.
  • finding the end of the yarn again and subsequent splicing or piecing on again can be facilitated in this way.
  • the time required to find the end of the yarn can be reduced.
  • the second sleeve, which has already been wound with a yarn winding is referred to as a bobbin.
  • the accumulated yarn end is sucked up and fixed by a suction nozzle.
  • the second sleeve or spool rotates for example against the winding direction.
  • the end of the yarn can be deposited by the intervention of the auxiliary yarn guide, for example in an area of maximum suction power of the suction nozzle.
  • the yarn end can also be deposited in an area of the spool which empirically has a particularly high success rate for finding the yarn end.
  • the intervention of the auxiliary yarn guide can prevent the yarn end from being deposited outside the bobbin or outside the intervention of the suction nozzle.
  • the yarn is lifted out of the laying element by means of the auxiliary yarn guide.
  • gravity can be utilized when the yarn is lifted out to build up or maintain a certain yarn tension and when the yarn is subsequently reinserted into the laying element.
  • the auxiliary yarn guide is arranged, for example, below the yarn path. In this case, the yarn advantageously remains easily accessible for an operator.
  • the notch or indentation can be placed in the auxiliary yarn guide depending on where you want the yarn end to be deposited on the spool.
  • the notch or indentation is located centrally in the auxiliary yarn guide. It is conceivable that the auxiliary yarn guide is movable such that the position of the notch or indentation is movable relative to a longitudinal axis of the spool. As a result, the storage location of the yarn end can be changed depending on the individual conditions on the textile machine.
  • auxiliary yarn guide remains in the yarn path for at least one preparatory process following the clearer cut, in particular rewinding and/or splicing the yarn.
  • the auxiliary yarn guide can also ensure that the yarn is guided in a controlled manner during the preparation process.
  • the preparatory process can also include a re-piecing in the case of a spinning machine.
  • intervention by the laying element would be rather disadvantageous. It is conceivable that the auxiliary yarn guide and the laying element interact in such a way that when the auxiliary yarn guide moves out of the original yarn path, the yarn is threaded back into the laying element.
  • the auxiliary yarn guide is moved into the yarn path 0.5 to 5 seconds before carrying out a clearer cut.
  • the auxiliary yarn guide should not be moved into the yarn path too long before the clearer cut, in order to avoid incorrect windings on the bobbin.
  • the workplace according to the invention of a textile machine preferably a winding machine, with the aid of which a yarn is rewound from a first tube to a second tube, or a spinning machine has a laying element, with the help of which the yarn is oscillated to form a cross-wound bobbin.
  • the work station also includes an auxiliary yarn guide which is moved into a yarn path of the yarn when required, thereby severing an operative connection between the laying member and the yarn.
  • the work station includes a controller. It is proposed that the controller is designed to control the work station according to the method described above.
  • the workplace thus realizes the advantages already described above. In particular, an uncontrolled running of a yarn end onto the second tube or bobbin is prevented. It also reduces the likelihood of damage to the thread, bobbin or Laying element reduced in the event of a controlled or uncontrolled stopping of the winding process.
  • a cross-wound bobbin is wound up at any point in time at any work station.
  • the yarn comes from a spinning tube made by a spinning machine and fed to the work stations of the winder.
  • the yarn spun at the respective work station can, for example, be wound up directly into a cross-wound bobbin.
  • the auxiliary yarn guide can be arranged, for example, below a yarn path and can be moved from an initial position to an engaged position.
  • the auxiliary yarn guide grips the yarn from below, for example, and lifts it out of the laying element.
  • gravity advantageously influences the yarn tension.
  • the laying element is designed as a grooved roller or an oscillating yarn guide. In both cases, separating the laying element before stopping the winding process is advantageous.
  • a grooved roller can, for example, simultaneously serve to drive the second sleeve or bobbin.
  • the iridescent yarn guide can be more easily adjusted for different laying patterns or other parameters of a package.
  • the oscillating yarn guide has, for example, an electric motor that is designed for an oscillating movement of the yarn guide.
  • the auxiliary yarn guide is arranged, for example, directly in front of the laying element in a direction of movement of the yarn during the winding process. In the case of the iridescent yarn guide, it is also conceivable that the Auxiliary yarn guide is arranged between the laying element and the second sleeve or the coil.
  • the auxiliary yarn guide is designed as a movable bracket, in particular with a notch or indentation.
  • the preferably metal bracket combines high stability with low use of material and can also be moved in a short time with little energy.
  • the bail allows for easy access to the twine for an operator.
  • the notch or indentation serves to guide the yarn.
  • the notch or indentation is preferably arranged in such a way that a yarn end, as already described, is advantageously placed on the spool and can be found quickly during a search, for example using a suction nozzle.
  • the notch or indentation can also be used, for example, to guide the yarn during preparatory processes for the continuation of a spooling or spinning process.
  • the notch or indentation can also be arranged in such a way that when the auxiliary yarn guide moves into its starting position, the yarn is threaded back into the laying element.
  • the auxiliary yarn guide is operatively connected to a drive, in particular an electric motor, an electromagnetic drive, a pneumatic drive or a hydraulic drive, and/or to a spring element.
  • the drive causes the auxiliary yarn guide to move into the yarn path, disengaging the traversing element.
  • the drive variations mentioned are suitable for such an application and can be provided depending on the individual requirements of the textile machine. Rapid triggering of the drive is advantageous for rapid intervention by the auxiliary yarn guide.
  • the drive can be designed for a linear movement of the auxiliary yarn guide or, for example, for a pivoting.
  • the drive is operatively connected to the controller.
  • the movement of the auxiliary yarn guide into the yarn path can also be caused by the spring element, which is designed in particular as a prestressed spring. This allows the Movement can also be triggered quickly. It is conceivable for the auxiliary yarn guide to be moved back into a starting position by means of the drive.
  • the spring element is in particular operatively connected to a triggering mechanism.
  • figure 1 shows a schematic front view of a work station 1 according to the invention of a textile machine, not shown.
  • job 1 is designed as job 1 of a winding machine.
  • a yarn 2 is rewound from a first tube 3, in this example a spinning tube, onto a second tube 4, in this example a winding tube.
  • the spinning tube comes, for example, from a ring spinning machine.
  • the yarn 2 is wound up by a laying element 5 on the second sleeve 4 to form a cross-wound bobbin 6 .
  • the work station 1 also has an auxiliary yarn guide 7, which can be moved into a yarn path 8 of the yarn 2 if necessary.
  • an active connection between the yarn 2 and the laying element 5 is separated. This need arises, for example, in the event of a planned or unplanned interruption of the winding process.
  • the auxiliary yarn guide 7 is designed as a bracket in this example.
  • the auxiliary yarn guide 7 has a notch or indentation 9 in the middle. The notch or indentation 9 is used to guide the yarn 2 and, for example, to deposit a yarn end centrally on the second tube 4. This allows the yarn end to be found particularly efficiently.
  • the work station 1 also has, for example, a balloon limiter 10 and a first pivotable suction tube 11 and a second pivotable suction tube 12 .
  • the pivotable suction tubes 11, 12 are used to locate and grip yarn ends on the first sleeve 3 and the second sleeve 4.
  • the work station 1 has a yarn tensioner 13, which is used to maintain a uniform yarn tension.
  • the yarn tensioner 13 is designed, for example, as a creel tensioner.
  • a yarn clearer 14 of the work station 1 is designed, for example, to detect yarn defects by means of one or more sensors and to carry out a clearer cut or quality cut, in which the yarn 2 is severed during the winding process.
  • Work station 1 has a splicer 18 for joining yarn ends.
  • the work station 1 has a control 15 which is designed to cause the auxiliary yarn guide 7 to move into the yarn path 8 of the yarn 2 immediately before the clearer cut.
  • the laying element 5 is disengaged and the yarn end that has accumulated on the second tube 4 through the clearer cut is conveniently deposited for a subsequent search.
  • the risk of damaging the yarn 2 or the laying element 5 is reduced as a result.
  • the routing element 5 formed as a grooved roller, which also serves, for example, to drive the second tube 4 or the cheese 6 during the winding process.
  • the laying element 5 is designed as a traversing yarn guide.
  • the auxiliary yarn guide 7 in a running direction of the yarn 2 between the laying element 5 and the second tube 4 .
  • a drive roller 16 serves exclusively to drive the second tube 4 or the cross-wound bobbin 6.
  • the auxiliary yarn guide 7 is connected to a drive 17 which, if necessary, enables the auxiliary yarn guide 7 to be moved upwards into the yarn path 8 .
  • the laying element 5 is disengaged.
  • the yarn 2 is lifted out of the laying element 5 by the auxiliary yarn guide 7, the yarn 2 being guided by the notch or indentation 9, for example, while the auxiliary yarn guide 7 is in an engaged position.
  • This guidance of the yarn 2 can be retained after the clearer cut, for example, even during subsequent preparatory measures.
  • the drive 17 can be designed, for example, as an electric motor, electromagnetic drive, pneumatic drive or hydraulic drive.
  • the controller 15 is operatively connected to the drive 17, the yarn clearer 14 and/or the splicer 18, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP22184777.5A 2021-07-21 2022-07-13 Procédé permettant de faire fonctionner un poste de travail d'une machine textile, ainsi que poste de travail d'une machine textile Withdrawn EP4122856A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021118842.3A DE102021118842A1 (de) 2021-07-21 2021-07-21 Verfahren zum Betreiben einer Arbeitsstelle einer Textilmaschine, sowie Arbeitsstelle einer Textilmaschine

Publications (1)

Publication Number Publication Date
EP4122856A1 true EP4122856A1 (fr) 2023-01-25

Family

ID=82846558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22184777.5A Withdrawn EP4122856A1 (fr) 2021-07-21 2022-07-13 Procédé permettant de faire fonctionner un poste de travail d'une machine textile, ainsi que poste de travail d'une machine textile

Country Status (4)

Country Link
EP (1) EP4122856A1 (fr)
JP (1) JP2023017711A (fr)
CN (1) CN115676499A (fr)
DE (1) DE102021118842A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565899A1 (fr) * 1992-04-11 1993-10-20 Barmag Ag Dispositif pour couper un fil
DE10051997A1 (de) 2000-02-25 2001-08-30 Schlafhorst & Co W Verfahren und Vorrichtung zum Wickeln von rotatorisch angetriebenen Kreuzspulen
DE102004052564A1 (de) * 2004-10-29 2006-05-04 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102009033377A1 (de) * 2009-07-16 2011-01-20 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4034769A1 (de) 1990-11-02 1992-05-07 Schlafhorst & Co W Fadenleitvorrichtung an einer spulstelle
ITMI20050629A1 (it) 2005-04-13 2006-10-14 Savio Macchine Tessili Spa Dispositivo e procedimento per la manipolazione e il controllo del filo in una testa di roccatura di una macchina roccatrice nelle operazioni di levata di una rocca
DE102011053813A1 (de) 2011-09-21 2013-03-21 Maschinenfabrik Rieter Ag Spinnmaschine sowie Verfahren zum Abführen eines Endabschnitts eines Garns an einer Spinnmaschine vor einem anschließenden Anspinnvorgang
DE102014103193A1 (de) 2014-03-11 2015-09-17 Rieter Ingolstadt Gmbh Spinnmaschine und Verfahren zum Übergeben eines Garnes an eine Anspinnvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565899A1 (fr) * 1992-04-11 1993-10-20 Barmag Ag Dispositif pour couper un fil
DE10051997A1 (de) 2000-02-25 2001-08-30 Schlafhorst & Co W Verfahren und Vorrichtung zum Wickeln von rotatorisch angetriebenen Kreuzspulen
DE102004052564A1 (de) * 2004-10-29 2006-05-04 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102009033377A1 (de) * 2009-07-16 2011-01-20 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Also Published As

Publication number Publication date
CN115676499A (zh) 2023-02-03
JP2023017711A (ja) 2023-02-07
DE102021118842A1 (de) 2023-01-26

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