EP1712509A2 - Vorrichtung und Verfahren zum Handhaben und Kontrollieren eines Garnes eines Kreuzspulkopfes einer Kreuzspulmaschine während des Startens einer neuen Partie - Google Patents

Vorrichtung und Verfahren zum Handhaben und Kontrollieren eines Garnes eines Kreuzspulkopfes einer Kreuzspulmaschine während des Startens einer neuen Partie Download PDF

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Publication number
EP1712509A2
EP1712509A2 EP06111874A EP06111874A EP1712509A2 EP 1712509 A2 EP1712509 A2 EP 1712509A2 EP 06111874 A EP06111874 A EP 06111874A EP 06111874 A EP06111874 A EP 06111874A EP 1712509 A2 EP1712509 A2 EP 1712509A2
Authority
EP
European Patent Office
Prior art keywords
yarn
crosswinding
suction mouth
pirn
suction
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.)
Granted
Application number
EP06111874A
Other languages
English (en)
French (fr)
Other versions
EP1712509B1 (de
EP1712509A3 (de
Inventor
Roberto Badiali
Maurizio Antoniel
Giorgio Colomberotto
Luciano Bertoli
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.)
Savio Macchine Tessili SpA
Original Assignee
Savio Macchine Tessili SpA
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 Savio Macchine Tessili SpA filed Critical Savio Macchine Tessili SpA
Publication of EP1712509A2 publication Critical patent/EP1712509A2/de
Publication of EP1712509A3 publication Critical patent/EP1712509A3/de
Application granted granted Critical
Publication of EP1712509B1 publication Critical patent/EP1712509B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B65H54/26—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores having one or more servicing units moving along a plurality of fixed winding units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • 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
    • 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 device and process for handling and controlling the yarn in a crosswinding head of a crosswinding machine during the starting operations of a new lot, or for the contemporaneous replacement of a pirn with a new one and a bobbin with a new tube, around which the yarn coming from the feeding pirn is wound to form a new bobbin.
  • crosswinding procedures essentially consist of unwinding operations of the yarn from feeding pirns, cleaning the yarn from possible faults and its crosswinding onto tubes, according to forms and dimensions which vary according to the destination of the yarn.
  • the bobbins are normally cylindrical, or truncated-conical with a low conicity, if, on the contrary, the yarn is destined for feeding low-speed machines, the bobbins are truncated-conical with a higher conicity.
  • the degree of conicity is selected so as to always ensure a correct unwinding of the bobbins during their final use, in the presence of more or less strong centrifugal forces.
  • a crosswinding machine allows the contemporaneous crosswinding of a series of bobbins, i.e. it normally comprises a series of so-called crosswinding heads, positioned side by side, and served by at least one common service device, also called trolley, which can run along the whole crosswinding machine, positioning itself in correspondence with each crosswinding head and which effects, in an automated manner, various operations which are cyclically required by each crosswinding head.
  • a common service device also called trolley
  • the crosswinding head in the case of the starting of a new lot, or if it is necessary to contemporaneously substitute a pirn and bobbin, the crosswinding head must be stopped, the pirn and bobbin must be removed and a new pirn and a new winding tube, around which a new bobbin must be formed, must be respectively positioned in their place.
  • the yarn coming from the new pirn must be moved to the new tube and wound onto the same in order to restart the crosswinding operations.
  • each crosswinding head is generally equipped with devices, situated along the run of the yarn from the feeding pirn to the winding bobbin, whose function is to eliminate possible yarn imperfections and remedy possible breakages.
  • said defects In the case of yarn defects, in fact, said defects must be located, the yarn must be cut, the faulty part eliminated and the two ends, which have formed on the side of the pirn and bobbin, respectively, must be re-joined.
  • the capturing devices of the cut yarn ends normally consist of two suction mouths, for the collection of the yarn end coming from the side of the pirn and from the side of the bobbin, respectively, situated on arms oscillating between a first operating position, corresponding to the pirn and the bobbin, respectively, and a second operating position, in correspondence with the device for joining the yarn ends, also called joiner or knotter.
  • the handling and controlling of the yarn during the starting operations of a new lot require the intervention of the common service device which, in cooperation with the devices of the crosswinding head situated along the run of the yarn from the feeding pirn to the winding bobbin, recovers the yarn end coming from the new pirn, positions the new winding tube on the crosswinding head and arranges the yarn end on the new winding tube.
  • the suction of the suction mouth situated on the side of the bobbin is stopped, the suction of the suction mouth which is on the side of the bobbin is contemporaneously activated, which takes custody of the yarn end.
  • the suction mouth situated on the side of the bobbin is then rotated to its position near the bobbin, where the yarn is collected by the handling device of the common service trolley.
  • An objective of the present invention is therefore to collect the yarn end coming from the new pirn and to deliver it to a position which facilitates the intervention of the service trolley, in particular its collection of the yarn to be wound around the new winding tube during the starting operations of a new lot.
  • a further objective of the present invention is to guarantee a higher productivity of the crosswinding machine through a higher operating factor.
  • Figures 1-7 show, in particular, a pirn 1, from which the yarn 2 unravels, which must be delivered to the end of a bobbin-holder arm 4, wherein there is a counter-pin 3 for housing a tube (not shown) around which the yarn 2 will be wound for the formation of the bobbin.
  • a slit-plate 5 is shown together with a driving and traversing cylinder 6.
  • a suction mouth 7 is shown, for the suction of the yarn 2 ends on the side of the pirn 1, together with a suction mouth 8 for the suction of the yarn 2 ends on the side of the bobbin and a joining device 9.
  • the slit-plate 5 has the function of revealing defects of the yarn 2 and possibly cutting it, by means of a cutting device not shown in the figures, but substantially situated in the same position as the slit-plate 5.
  • the driving and traversing cylinder 6 carries the yarn 2 according to a backwards and forwards movement along the whole length of the bobbin, so that the yarn 2 is uniformly distributed along the whole length of the bobbin.
  • the driving and traversing cylinder 6 is crossed by several grooves, also called cavities, inside which the yarn 2 is passed, maintaining the driving and traversing cylinder 6 in rotation.
  • the function of the two suction mouths 7 on the side of the pirn and 8 on the side of the bobbin is, on the contrary, to collect the ends of the yarn 2, for example formed as a result of cutting or breakage of the yarn 2, and connected to the pirn 1 and to the bobbin, respectively, and to carry them to the joining device 9, which re-establishes the continuity of yarn 2.
  • a new pirn 1 is arranged in operating position and the end of yarn 2 which comes from the same, is collected by suction on the part of the suction mouth 7.
  • the seizing of the yarn 2 end is further assured by a nipper 10, situated at the end of the suction mouth 7, which intervenes by blocking the yarn 2 after a part of the same yarn 2 has been sucked by the suction mouth 7.
  • the suction mouth 7, with the nipper 10 closed, is then rotated around the rotation axis A, unwinding the yarn 2 from the pirn 1 and until the same yarn 2 has been induced to cross the joining device 9 (figure 2).
  • the closing of the nipper 10 not only ensures the seizure of the yarn 2, but also prevents an excessive amount of yarn from being sucked, as could happen if the seizure of the yarn 2 were left to a continuous suction action exerted by the suction mouth 7.
  • the closing of the nipper 10 also makes the suction of the suction mouth 7 superfluous, and this can be deactivated.
  • the joiner 9 cuts the yarn 2 and withholds its end coming from the pirn 1.
  • the suction of the suction mouth 7 is activated and the nipper 10 is opened to remove the end of the yarn which has remained on the suction mouth 7 after the cutting.
  • the joiner 9 withholds the yarn 2 coming from the pirn 1, and once the suction mouth 7 on the side of the pirn has finished its operations, it is ready to return to its standby position.
  • the suction mouth 8, on the side of the bobbin is moved towards the yarn 2, along the run of the yarn 2 itself, from the pirn to the joiner 9.
  • the suction from the suction mouth 8 is activated and the yarn 2 is released from the joiner 9, as it is sucked by the suction mouth 8.
  • the suction mouth 8 on the side of the bobbin is rotated around its rotation axis B and, maintaining its suction activated, it rises, engaging the yarn 2 on its back and unwinding it from the pirn 1 (figure 4).
  • the position of the yarn 2 on the back of the suction mouth 8 can be suitably constrained by means of positioning devices.
  • the suction inlet 11 of the suction mouth 8 is extremely large (due to the main function of the suction mouth 8, which consists in recovering the end of a broken yarn 2 from the bobbin, said end being in any possible point along the length of the bobbin), the back of the suction mouth 8 narrowing as it proceeds from the aspiration inlet 11 towards the oscillating arm 12 of the suction mouth 8, the yarn 2 can be situated in any position of the back of the suction mouth 8 and, during the rotation of the same around its rotation axis B, in the absence of the positioning means, could also fall to the side.
  • the positioning means of the yarn 2 are preferably produced in the form of at least one taper seat 13, situated on the back of the suction mouth 8, V-shaped so that, once the yarn 2 has been collected along the arms of the V-shaped taper seat 13, it tends to converge towards the center of the taper seat 13 itself.
  • the positioning means of the yarn comprise two V-shaped taper seats, a first taper seat 13 near the suction inlet 11 of the suction mouth 8, substantially having the same width as the inlet 11 of the suction mouth 8, and a second taper seat 14, near the arm 12 of the suction mouth, which has smaller dimensions.
  • the suction mouth 8 engages the yarn 2 first with its portion closer to the aspiration inlet 11. Consequently, due to the action of the first taper seat 13, the yarn 2 has already reached a well-defined position when it engages the whole back of the suction mouth 8 and, therefore, the second taper seat 14.
  • the yarn 2 occupies a well-defined position in the space between the part of the back of the suction mouth 8 which is further away from the suction inlet 11 and the slit-plate 5.
  • the handling device 15 comprises a telescopic arm 17, at whose end there is a nipping and cutting device 18.
  • the calling signal of the service trolley 16 on the part of the crosswinding head engaged in a starting operation of a new lot can be sent at the beginning of the operation, so that the trolley 16 is positioned in correspondence with the crosswinding head before the suction mouth 8 has reached the intervention position of the handling device 15.
  • the devices of the trolley 16 which are charged with the doffing operations of the bobbin and its substitution with a new tube are ready to intervene when the suction mouth 8 reaches the intervention position, but the trolley 16 could be compelled to wait.
  • the calling signal of the service trolley 16 can be sent subsequently, so that the trolley 16 is positioned in correspondence with the crosswinding head after the suction mouth 8 has reached the intervention position of the handling device 15. In this way, the time the service trolley 16 dedicates to the specific crosswinding head for the doffing operations of the bobbin and its substitution, is minimized, but the crosswinding head could be compelled to wait.
  • the nipping and cutting device 18 captures the yarn 2. Subsequently, as shown in figure 7, the nipping and cutting device 18 cuts the yarn 2 and withholds the end coming from the pirn 1. The end of the yarn remaining on the side of the inlet 11 of the suction mouth 8, is sucked and removed.
  • the handling mechanism 15 still maintaining its hold on the yarn 2 end coming from the pirn 1, moves away from the crosswinding head, to facilitate the return of the suction mouth 8 to its rest position, by the rotation of the oscillating arm 12 around the rotation axis B.
  • the subsequent insertion phases of the yarn 2 end onto the new winding tube can be completed by the handling device 15, according to any of the known techniques, which have the common aspect of engaging the yarn 2 end between the base of the tube and the counterpoint 3 of the bobbin-holder arm 4.
  • the handling device 15 of the service trolley 16 subsequently releases the yarn 2, and a new bobbin can be formed, whereas the service trolley 16 becomes available for intervening on other crosswinding heads of the crosswinding machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
EP06111874A 2005-04-13 2006-03-29 Vorrichtung und Verfahren zum Handhaben und Kontrollieren eines Garnes eines Kreuzspulkopfes einer Kreuzspulmaschine während des Startens einer neuen Partie Expired - Lifetime EP1712509B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000628A ITMI20050628A1 (it) 2005-04-13 2005-04-13 Dispositivo e procedimento per la manipolazione e il controllo del filo in una testa di roccatura di una macchina roccatrice nelle operazioni di avvio di una nuova partira

Publications (3)

Publication Number Publication Date
EP1712509A2 true EP1712509A2 (de) 2006-10-18
EP1712509A3 EP1712509A3 (de) 2008-01-30
EP1712509B1 EP1712509B1 (de) 2010-05-26

Family

ID=36754835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111874A Expired - Lifetime EP1712509B1 (de) 2005-04-13 2006-03-29 Vorrichtung und Verfahren zum Handhaben und Kontrollieren eines Garnes eines Kreuzspulkopfes einer Kreuzspulmaschine während des Startens einer neuen Partie

Country Status (6)

Country Link
US (1) US20060230739A1 (de)
EP (1) EP1712509B1 (de)
CN (1) CN1847130B (de)
AT (1) ATE469090T1 (de)
DE (1) DE602006014465D1 (de)
IT (1) ITMI20050628A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050070A1 (de) 2008-10-01 2010-04-08 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zur automatischen Inbetriebnahme einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
WO2017178312A1 (de) * 2016-04-15 2017-10-19 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum aufwickeln eines fadens
EP3312116A1 (de) * 2016-10-19 2018-04-25 Murata Machinery, Ltd. Garnaufwicklungsvorrichtung und paketrotationsstoppverfahren

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016108423A1 (de) * 2016-05-06 2017-11-09 Rieter Ingolstadt Gmbh Verfahren zum Handhaben eines Fadenendes und Spulstelle
CN108439072B (zh) * 2018-03-07 2023-06-27 青岛宏大纺织机械有限责任公司 一种落筒小车的生头装置及生头方法
CN111302152A (zh) * 2020-03-26 2020-06-19 青岛宏大纺织机械有限责任公司 一种控制管纱吸嘴准确送纱的装置及方法
CN114803711B (zh) * 2021-01-18 2025-07-15 深圳市微埃智能科技有限公司 投料装置及投纱机器人

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411128A (en) 1980-09-26 1983-10-25 Murata Kikai Kabushiki Kaisha Method and apparatus for splicing spun yarns
US4630433A (en) 1984-11-12 1986-12-23 Mesdan S.P.A. Method for the splicing of textile threads by means of a compressed gas, and splicing device for the accomplishment of the method
EP0717001A1 (de) 1994-12-15 1996-06-19 SAVIO MACCHINE TESSILI S.r.l. Verfahren und Vorrichtung zur Durchführung eines flexibelen und modulierenden Wickelzyklus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949332B2 (ja) * 1976-06-25 1984-12-01 村田機械株式会社 紡糸を止めずに糸継する方法
DE19836702A1 (de) * 1998-08-13 2000-02-17 Schlafhorst & Co W Kreuzspulen herstellende Textilmaschine
DE10007950A1 (de) * 2000-02-22 2001-08-23 Schlafhorst & Co W Vorrichtung zur Inbetriebnahme einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
JP3646682B2 (ja) * 2001-02-28 2005-05-11 村田機械株式会社 自動ワインダにおける巻取管への糸装着方法及び自動ワインダ
DE10257804A1 (de) * 2002-12-11 2004-07-01 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Inbetriebnahme einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411128A (en) 1980-09-26 1983-10-25 Murata Kikai Kabushiki Kaisha Method and apparatus for splicing spun yarns
US4411128B1 (de) 1980-09-26 1990-04-10 Murata Machinery Ltd
US4630433A (en) 1984-11-12 1986-12-23 Mesdan S.P.A. Method for the splicing of textile threads by means of a compressed gas, and splicing device for the accomplishment of the method
EP0717001A1 (de) 1994-12-15 1996-06-19 SAVIO MACCHINE TESSILI S.r.l. Verfahren und Vorrichtung zur Durchführung eines flexibelen und modulierenden Wickelzyklus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050070A1 (de) 2008-10-01 2010-04-08 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zur automatischen Inbetriebnahme einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
CN101712424B (zh) * 2008-10-01 2012-09-05 欧瑞康纺织有限及两合公司 自动启动制造交叉卷绕筒子的纺织机械工位的方法
WO2017178312A1 (de) * 2016-04-15 2017-10-19 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum aufwickeln eines fadens
CN109071145A (zh) * 2016-04-15 2018-12-21 欧瑞康纺织有限及两合公司 用于卷绕线的设备
EP3312116A1 (de) * 2016-10-19 2018-04-25 Murata Machinery, Ltd. Garnaufwicklungsvorrichtung und paketrotationsstoppverfahren

Also Published As

Publication number Publication date
EP1712509B1 (de) 2010-05-26
US20060230739A1 (en) 2006-10-19
ATE469090T1 (de) 2010-06-15
DE602006014465D1 (de) 2010-07-08
ITMI20050628A1 (it) 2006-10-14
CN1847130A (zh) 2006-10-18
EP1712509A3 (de) 2008-01-30
CN1847130B (zh) 2012-06-27

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