EP4472913A1 - Dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées - Google Patents

Dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées

Info

Publication number
EP4472913A1
EP4472913A1 EP23702995.4A EP23702995A EP4472913A1 EP 4472913 A1 EP4472913 A1 EP 4472913A1 EP 23702995 A EP23702995 A EP 23702995A EP 4472913 A1 EP4472913 A1 EP 4472913A1
Authority
EP
European Patent Office
Prior art keywords
thread
thread guide
guide device
areas
contour
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Withdrawn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
EP23702995.4A
Other languages
German (de)
English (en)
Inventor
Michael Reimann
Michael Stuemke
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Spinning Solutions 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 Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP4472913A1 publication Critical patent/EP4472913A1/fr
Withdrawn legal-status Critical Current

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
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/388—Preventing the yarn from falling off the edge of the package
    • 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
    • B65H54/06—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making cross-wound packages
    • 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
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/72—Framework; Casings; Coverings
    • 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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/02—Stationary rods or plates
    • 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
    • B65H57/12—Tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/31—Suction box; Suction chambers
    • 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 thread guide device for a workstation of a textile machine producing cross-wound bobbins, the workstation having an auxiliary unwinding device for supply bobbins, a winding device for creating a cross-wound bobbin and a thread guide channel that encloses the thread path and can be subjected to negative pressure.
  • the relevant textile bobbins must be rotated about their bobbin axis and the thread running onto the textile bobbin must be traversed along the bobbin axis at relatively high speed.
  • the resulting spool body of the take-up spool is not only characterized by a relatively stable structure, but also by good unwinding behavior in subsequent production processes, for example when processing on weaving machines.
  • thread guide drums are very common, which on the one hand oscillate the incoming thread and at the same time rotate the cheeses via frictional engagement.
  • thread guide drums of this type which have proven themselves very well in practice, have the disadvantage that they can only be used to produce cross-wound bobbins with the “random winding” type of winding.
  • the cross-wound bobbin which is rotatably mounted in a creel, preferably rests frictionally on a drive roller that can be acted upon by an individual drive, while the associated thread traversing device, which traverses the thread that is being produced, is connected to a separate, preferably is also equipped with a defined controllable drive.
  • Thread laying devices of this type described for example in DE 198 58 548 A1, which are often equipped with finger thread guides, have proven to be extremely flexible and advantageous in practice.
  • EP 0 814 045 B1 also describes a work station of a textile machine that produces cross-wound bobbins and is equipped with a thread guide drum.
  • a defined controllable thread guide device is installed in the thread running direction in front of the thread guide drum, which has two pivotally mounted, pneumatically actuated thread guide arms. These thread guide arms pivot, for example when the thread tension of the running thread decreases, in the direction of the center of the bobbin and guide the upper thread connected to the cross-wound bobbin to the center of the bobbin.
  • the object of the invention is therefore to develop a thread guiding device for the work stations of automatic cheese winders, with which it can be ensured that falling threads are largely avoided during the winding process.
  • this object is achieved in that the thread guide device is installed at the end of the thread guide channel in the area of a suction head above the regular thread path of the work station and is designed in such a way that when a thread cut is initiated during winding operation, the thread end of the upper thread that is being produced Thread tension shoots up, enters the thread guide device and is guided by it in a controlled manner in the direction of the center of the cheese.
  • the inventive design and arrangement of the thread guide device reliably prevents the occurrence of falling threads and the "red light" circuits of the work stations of the automatic package winder that are often necessary in connection with falling threads during the winding process with controlled thread cleaner cuts.
  • the thread-guiding device has a thread-guiding plate with a thread-guiding contour formed as a mirror image and has a connecting strip at the top spaced apart from the thread-guiding plate.
  • the thread guide device is fixed in the suction head of the thread guide channel that can be subjected to negative pressure via the connecting strip so above the regular thread path that the thread end of the upper thread that occurs during a thread cleaner cut snaps into the thread guide contour of the thread guide device.
  • the thread guide contour is preferably arranged by two mirror images Yarn guide surfaces are formed, each having a concavely curved yarn guide area and an adjoining, convexly curved yarn braking slot.
  • the thread guiding device has a thread guiding contour which has two linear, converging thread guiding areas.
  • the thread guide areas are arranged at an angle, for example with respect to the outer edge of the thread guide device and to one another, with different designs being conceivable with regard to the intersection point of the thread guide areas.
  • the point of intersection of the two linear, converging yarn guide areas can, for example, be directly in the area of the connection bar or have a relatively small, a somewhat further or also a greater distance from the connection bar.
  • the yarn guide areas of the yarn guide contours can also have different lengths.
  • the thread guide areas can have a length, for example, which corresponds to approximately 2/3 of the length of the thread guide device, but can also have a length that corresponds approximately to the entire length of the thread guide device.
  • the thread guiding contour has two linear thread guiding areas overlapping at the ends, the overlapping point of the thread guiding areas being arranged almost centrally with respect to the thread guiding device.
  • Thread guide devices whose thread guide contour is formed either by two separate, relatively short thread catch attachments pointing towards the central axis of the thread guide device, or thread guide devices whose thread guide contour has two separate elements designed as catch arms and directed towards the central axis of the thread guide device have also proven to be effective.
  • the two catch arms each have a relatively short linear thread guide area and a corrugated thread guide surface, which preferably extends almost to the central axis of the thread guide device.
  • thread guide devices are also advantageous whose thread guide contour has a convexly curved thread guide area on both sides with a hook attachment and in which the intersection of the thread guide areas is positioned at a distance from the connecting strip, as well as thread guide devices whose thread guide contour has two linear, converging, each with one Yarn guide areas provided with angling. The intersection of the angled yarn guide areas is positioned in the area of the connector strip.
  • Fig. 1 is a perspective view of a job of a cheese machine with a
  • FIG. 3 shows the thread guiding device according to FIG. 2 in a side view
  • Fig. 4-13 further advantageous embodiments of an inventive
  • Automatic cheese winders the workstations of which are each equipped with an auxiliary unwinding device for feed bobbins, a winding device for creating a cheese and a thread guide channel that encloses the thread path of the workstation and can be subjected to negative pressure, are known and are described, for example, in DE 102014 009 203 A1, 10 2016 001 115 A1 or DE 102018 128 815 A1 is described in relative detail.
  • Such automatic cheese winders usually have a large number of identical work stations 1 on which, as shown in FIG.
  • the finished cheeses 5 are then transferred to a machine-long cheese transport device (not shown) by means of an automatically operating service unit, for example by means of a so-called cheese changer, and transported to a bobbin loading station or the like arranged at the end of the machine.
  • a machine-long cheese transport device not shown
  • an automatically operating service unit for example by means of a so-called cheese changer
  • Such automatic cheese winders also often have a logistics device in the form of a bobbin and tube transport system in which, arranged in a vertical orientation on transport plates, the supply bobbins 2 or the empty tubes that have been spooled circulate.
  • the feed bobbins 2 delivered via the bobbin and tube transport system are each positioned in the unwinding position AS in the area of the work stations 1 and rewound onto a cross-wound bobbin 5 in this unwinding position AS.
  • the individual work stations 1 have various thread monitoring and treatment devices which ensure that the thread 29 is monitored for thread defects during the rewinding process and that detected thread defects are cleaned out immediately.
  • the work stations 1 of such automatic cheese winders have, for example, a winding device 4, a thread connecting device 8, preferably in the form of a pneumatic thread splicing device, a thread tensioner 9, a thread cleaner 10 and a thread tension sensor 35. Furthermore, such work stations can also be equipped with a paraffining device (not shown). be.
  • the winding devices 4 of such workstations 1 each have a creel 11 which is mounted such that it can move at least about a pivot axis 30, and an associated cross-wound bobbin drive and cross-bobbin traversing device.
  • a thread guide drum 34 is used as the cross-wound bobbin drive and traversing device, which rotates the cross-wound bobbin 5 by friction and at the same time ensures that the thread 29 running onto the bobbin is traversed.
  • a thread guide channel 6 enclosing the thread path of the work station 1, the end region of which is designed as a suction head 21 and which, if necessary, can be subjected to a defined vacuum.
  • This yarn guide channel 6 is equipped on the input side with an auxiliary unwinding device 3 in the form of a telescopic suction foot 19 which is mounted so that it can be displaced in the vertical direction, for example by means of a drive device 36 .
  • the suction foot 19 can be lowered at least partially over the feed bobbin 2 if necessary, for example to pick up the thread end of the lower thread. If necessary, for example if a pneumatic pick-up of the thread end of an upper thread is necessary after a controlled thread cleaner cut, the thread guide channel 6 can also be closed, for example by a pivoted cover element 7 .
  • the thread guide channel 6 has different receiving housings behind the suction foot 19 in the thread running direction F.
  • a thread tensioner 9 is positioned, for example, while in a subsequent receiving housing 18 a
  • Thread connecting device 8 is installed.
  • the yarn guide channel 6 is also equipped with receiving housings 32, 31, which in the yarn direction F behind the
  • Recording housing 18 are arranged and in which a thread cleaner 10 and a thread tension sensor 35 are installed.
  • a receiving housing (not shown) for a paraffining device can also be integrated into the yarn guide channel 6 in this area.
  • the thread guide channel 6 is designed as a suction head 21, with a thread guide device 23 according to the invention being installed in the suction head 21.
  • the suction head 21 is above a suction port to which a suction air nozzle 14 is connected, with a machine-long suction air duct 17 in connection.
  • the suction air socket 14, like the suction air sockets 12 and 13, which connect the receiving housing 18 of the thread connecting device 8 to the suction air channel 17, can be selectively subjected to negative pressure, for example via an orifice plate 15.
  • the rotatably mounted orifice plate 15 has suction openings 16 that can be positioned in a defined manner and, depending on the position, ensure that one or more of the suction air nozzles 12, 13, 14 is/are continuously pneumatically connected to the suction air duct 17.
  • each of the suction air connectors could be connected to the suction air duct 17 by a separate valve device or the like.
  • the suction head 21 is equipped with a thread guide device 23 according to the invention.
  • the thread guide device 23 is arranged in a defined manner above the regular thread path of the work station 1 and has a thread guide plate 20, in the thread guide contour 22, for example in the case of a controlled thread cleaner cut, the upwardly snapping thread end of the upper thread jumps.
  • the thread guide contour 22 of the thread guide plate 20 is preferably designed as a mirror image.
  • the thread guide device 23 has a connecting strip 26 at the top, which is arranged at a certain distance from the thread guide plate 20 and via which the thread guide device 23 can be fixed in a defined manner in the suction head 21 .
  • the thread-guiding device 23 has, as shown in FIG. 2, a thread-guiding contour 22 which is formed by two thread-guiding surfaces arranged in mirror image.
  • the thread guide surfaces each have a concavely curved thread guide area 24 and an adjoining, convexly curved thread braking slot 25.
  • the thread end of the upper thread that jumps upwards usually snaps into the thread guide device 23 according to the invention located above it.
  • Thread connecting device 8 can be transferred.
  • a thread guide device 23 according to the invention can, however, also have a differently designed thread guide contour 22 instead of the thread guide contour 22 described above.
  • the thread-guiding contour 22 of a thread-guiding device 23 according to the invention can, for example, have two linear, converging thread-guiding regions 24, as shown in FIGS.
  • the thread guide areas 24B are arranged at an angle ⁇ with respect to the outer edge 27 of the thread guide device 23 and at an angle ⁇ to one another.
  • the intersection point S1 of the two yarn guide areas 24B is positioned at a distance a with respect to the connection strip 26, i.e. the intersection point S1 is relatively close to the region of the connection strip 26.
  • the thread guiding areas 24C have a length which corresponds to approximately 2/3 of the length L of the thread guiding device 23 .
  • the embodiment of a thread guide device 23 according to the invention shown in FIG. 9 also has linear, converging thread guide areas 24D which intersect at an angle a2. However, the point of intersection S3 of the yarn guide areas 24D is positioned at a somewhat greater distance b from the connecting strip 26 .
  • the embodiment of a thread guide device 23 according to the invention shown in FIG. 11 also has linear, converging thread guide regions 24E.
  • the yarn guide areas 24E intersect at an angle a3 and the intersection point S4 of the yarn guide areas 24E is positioned directly in the area of the connecting strip 26 .
  • the length of the thread guide areas 24E corresponds approximately to the length L of the thread guide device 23 .
  • the thread guide contour 22 is formed by two linear, converging thread guide areas 24H, the thread guide areas 24H being relatively converge obtusely, that is, the angle a1 lying between the yarn guide areas 24H is greater than 90°.
  • the intersection point S6 of the yarn guide areas 24H is positioned at a relatively large distance c from the connection strip 26 .
  • Figures 6 and 7 show further embodiments of a thread guiding device 23 according to the invention, which differ significantly from the embodiments described above.
  • a comparable thread guide device 23 is also shown in FIG.
  • These yarn catch arms 38 each have a short linear yarn guide area 24G and an adjoining, corrugated yarn guide surface.
  • the thread catch arms 38 of the thread guide device 23 each reach almost to the central axis M of the thread guide device 23 and are significantly larger than the thread calming attachments 37 of the thread guide device 23 shown in Fig. 6.
  • the embodiment according to FIG. 10 has a mirror-inverted thread-guiding contour 22 which has a convexly curved thread-guiding area 24F provided with a hook attachment 39 on both sides.
  • the point of intersection S5 of the two yarn guide areas 24F is positioned at a relatively short distance a from the connecting strip 26 .
  • the Thread guide contour 22 characterized in that it has two linear thread guide regions 24K, each having a bend 28.
  • the point of intersection S7 of the angled yarn guide areas 24K is positioned at a distance a from the connecting strip 26 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Abstract

L'invention concerne un dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées. La station de travail a une aide au déroulement pour des bobines d'alimentation, un dispositif d'enroulement pour produire une bobine croisée, et un canal de guidage de fil qui entoure le trajet de fil et qui peut être soumis à une pression négative. Selon l'invention, afin d'empêcher des fils de tomber, le dispositif de guidage de fil est installé à la face d'extrémité du canal de guidage de fil dans la région d'une tête d'aspiration au-dessus du trajet de fil régulier dans la station de travail et est conçu de telle sorte que, pendant un processus de coupe de fil initié pendant l'opération d'enroulement, l'extrémité de fil du fil supérieur nouvellement créé, ladite extrémité de fil filant vers le haut en raison de la tension de fil dans le fil en déplacement, entre dans le dispositif de guidage de fil et est guidée de manière contrôlée par le dispositif de guidage de fil dans la direction du centre de la bobine croisée.
EP23702995.4A 2022-02-02 2023-01-31 Dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées Withdrawn EP4472913A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022102407.5A DE102022102407A1 (de) 2022-02-02 2022-02-02 Fadenführungseinrichtung für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
PCT/EP2023/052241 WO2023148139A1 (fr) 2022-02-02 2023-01-31 Dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées

Publications (1)

Publication Number Publication Date
EP4472913A1 true EP4472913A1 (fr) 2024-12-11

Family

ID=85158801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23702995.4A Withdrawn EP4472913A1 (fr) 2022-02-02 2023-01-31 Dispositif de guidage de fil pour une station de travail d'une machine textile qui produit des bobines croisées

Country Status (5)

Country Link
US (1) US20250128906A1 (fr)
EP (1) EP4472913A1 (fr)
CN (1) CN118632812A (fr)
DE (1) DE102022102407A1 (fr)
WO (1) WO2023148139A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117657852B (zh) * 2024-01-31 2024-04-02 山东永健机械有限公司 一种锂电池隔膜生产用拉伸成型装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH427604A (de) * 1963-09-11 1966-12-31 Mueller Franz Maschf Fadenleitblech an einer Spulstelle einer Kreuzspulmaschine
JPS56149951A (en) * 1980-04-22 1981-11-20 Murata Mach Ltd End-fall preventing device for cut yarn end in automatic winder
JPS62140975A (ja) * 1985-12-11 1987-06-24 Murata Mach Ltd 自動ワインダ−における端面落ち防止装置
DE4025696C2 (de) 1990-08-14 1999-11-18 Schlafhorst & Co W Verfahren und Einrichtung zum Unterbrechen des einer Kreuzspule zugeführten Garns
DE4034769A1 (de) * 1990-11-02 1992-05-07 Schlafhorst & Co W Fadenleitvorrichtung an einer spulstelle
US5305962A (en) 1991-06-19 1994-04-26 Murata Kikai Kabushiki Kaisha Yarn winding apparatus and method
ATE173447T1 (de) 1993-05-28 1998-12-15 Savio Macchine Tessili Spa Verbessertes spulenwickelverfahren und spulmaschinen zu dessen durchführung
CN1184123C (zh) 1996-06-19 2005-01-12 村田机械株式会社 卷取方法及其装置
DE19858548A1 (de) 1998-12-18 2000-06-21 Schlafhorst & Co W Fadenführer zum traversierenden Zuführen eines Fadens zu einer rotierend angetriebenen Auflaufspule
DE102004052664B3 (de) 2004-10-29 2006-06-01 Audi Ag Geschwindigkeitssteuervorrichtung und Verfahren zum Steuern der Geschwindigkeit eines Fahrzeugs
DE102004052564A1 (de) 2004-10-29 2006-05-04 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102009009971B4 (de) 2009-02-21 2017-03-16 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine sowie Arbeitsstelle zur Durchführung des Verfahrens
DE102012002986A1 (de) 2012-02-15 2013-08-22 Oerlikon Textile Gmbh & Co. Kg Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102014009203A1 (de) 2014-06-20 2015-12-24 Saurer Germany Gmbh & Co. Kg Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102016001115A1 (de) 2016-02-02 2017-08-03 Saurer Germany Gmbh & Co. Kg Arbeitsstelle einer Auflaufspulen herstellenden Textilmaschine
DE102018125622A1 (de) 2018-10-16 2020-04-16 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben einer Spulvorrichtung
DE102018128815A1 (de) 2018-11-16 2020-05-20 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betrieben einer Arbeitsstelle einer Fadenspulen herstellenden Textilmaschine

Also Published As

Publication number Publication date
DE102022102407A1 (de) 2023-08-03
CN118632812A (zh) 2024-09-10
US20250128906A1 (en) 2025-04-24
WO2023148139A1 (fr) 2023-08-10

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