EP3401424A1 - Composant en contact avec le fil d'une machine textile fabricant des bobines croisées - Google Patents

Composant en contact avec le fil d'une machine textile fabricant des bobines croisées Download PDF

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Publication number
EP3401424A1
EP3401424A1 EP18170873.6A EP18170873A EP3401424A1 EP 3401424 A1 EP3401424 A1 EP 3401424A1 EP 18170873 A EP18170873 A EP 18170873A EP 3401424 A1 EP3401424 A1 EP 3401424A1
Authority
EP
European Patent Office
Prior art keywords
thread
component
suction
contacting
suction 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.)
Granted
Application number
EP18170873.6A
Other languages
German (de)
English (en)
Other versions
EP3401424B1 (fr
Inventor
Bernd Bahlmann
Romeo Pohn
Mario Maleck
Robert Hagl
Thomas Gruber
Robin Wein
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 EP3401424A1 publication Critical patent/EP3401424A1/fr
Application granted granted Critical
Publication of EP3401424B1 publication Critical patent/EP3401424B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H4/00Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48Piecing arrangements; Control therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08Automatic end-finding and material-interconnecting arrangements
    • B65H67/081Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00Guides for filamentary materials; Supports therefor
    • B65H57/24Guides for filamentary materials; Supports therefor with wear-resistant surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08Automatic end-finding and material-interconnecting arrangements
    • B65H67/081Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085Automatic 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
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H13/00Other common constructional features, details or accessories
    • D01H13/04Guides for slivers, rovings, or yarns; Smoothing dies
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H4/00Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/40Removing running yarn from the yarn forming region, e.g. using tubes
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52Ring-and-traveller arrangements
    • D01H7/60Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a thread-contacting component of a cross-wound textile machine, in particular a spinning machine.
  • Thread contacting components are present on textile machines in large numbers and different designs.
  • the components of spinning machines which have permanent thread contact, are subject to considerable wear due to the abrasive action of the thread.
  • Such components are therefore made of steel or ceramic.
  • As examples of such constantly thread-contacting components for example, take-off nozzles or thread withdrawal pipes of spinning machines can be mentioned. These components are subject to a particularly high degree of wear, as the thread is constantly pulled over them at a very high speed.
  • the DE 103 30 767 A1 describes such yarn withdrawal nozzles or thread withdrawal tubes and proposes, in order to reduce the wear of such components, to carry out this with a particularly high surface quality.
  • glass or glass ceramic should be used instead of the known ceramic or steel materials.
  • the DE 1 607 563 A1 describes an extraction system in which a suction tube only temporary thread contact has, namely, when a thread ball is to be sucked off and forwarded.
  • the suction tubes described there are made of anodized aluminum tubes, so that snagging of the extracted thread can be avoided.
  • a disadvantage of such anodized aluminum tubes, however, is that they are relatively expensive.
  • the DE 1 685 719 A1 also describes an extraction system whose tubes have only temporary thread contact. In such suction tubes comes it in particular at the manifold neck, to which a thread is always applied to the same place on the inner wall, to a high degree of wear. Also the DE 1 685 719 A1 proposes, therefore, to use a glazed material, for example porcelain, in order to avoid roughening of the brushing thread and the resulting fiber fly, and to counteract excessive wear.
  • a glazed material for example porcelain
  • the object of the present invention is therefore to propose a thread-contacting component of a textile machine producing cross-wound bobbins, which is resistant to wear and yet can be manufactured comparatively inexpensively.
  • a yarn-contacting component of a cross-wound textile machine in particular a spinning machine, which at least partially consists of a plastic material and is provided with a chromium coating.
  • plastic materials as base materials have always been excluded due to their only low hardness and wear resistance for yarn-contacting components of cheese-producing textile machines, in particular of spinning machines.
  • the present invention has found that a very smooth surface can be provided by a chromium coating on the plastic surface, which significantly reduces the friction of the thread on the surface of the component. Due to the reduced friction thus the wear of the component is significantly reduced.
  • a component has both yarn-contacting surfaces and non-yarn-contacting surfaces, it is possible, for example, to provide only the yarn-contacting surfaces with a chromium coating or to produce only the yarn-contacting surfaces from a chromium-coated plastic material. The production of such yarn-contacting components can be made cheaper thereby.
  • the plastic material is an acrylonitrile-butadiene-styrene copolymer (ABS). This can be provided in a particularly favorable manner with a chrome coating.
  • ABS acrylonitrile-butadiene-styrene copolymer
  • other plastic materials suitable for chromium plating are also possible. It is also conceivable, for example, to use a fiber-reinforced plastic material with a high surface quality in order to improve the hardness and wear resistance of the yarn-contacting component.
  • the component has at least one insert, which consists of a plastic material and is provided with a chromium coating.
  • a chromium coating By means of such an insert, it is possible in a particularly simple manner to reinforce the thread-contacting surfaces of a component and thereby form particularly wear-resistant.
  • the component itself can be made here by at least partially from a simpler material. However, it is also conceivable to coat only partially a yarn-contacting component, so that only the yarn-contacting surfaces are provided with a chromium coating.
  • the component has at least one curved deflection region.
  • the at least one insert is arranged in the deflection region.
  • Such deflection areas are often subject to particularly high wear, since they have different than straight, thread-guiding sections usually a permanent thread contact or, even if the components only temporarily lead a thread, but this always touches these deflection.
  • Particularly advantageous in the embodiment with an insert it is also that this can be easily removed and replaced when worn, while the actual component may even remain at its installation location.
  • such a chromium-coated plastic material can also be used particularly advantageously, for example, in a thread suction tube or a suction nozzle.
  • These components in contrast to thread take-off nozzles and thread withdrawal tube not permanent, but only temporary thread contact, so that the heat generation at these points is also lower and a plastic material can be used advantageously.
  • a plastic material can be used advantageously.
  • Particularly advantageous in the chrome coating of Fadenabsaugrohren and suction nozzles it is also that the snagging of pieces of thread can be avoided by the particularly smooth chromium plating and at the same time the flow conditions can be improved in the vacuum-pressurized components.
  • the component is a suction nozzle with a suction opening and with an inlet opening for a thread, wherein the at least one insert is arranged in the region of the inlet opening for the thread.
  • suction nozzles can be used not only in a known manner for finding a yarn end on a bobbin surface, but can also serve as a thread-guiding member during the production or rewinding of a yarn pule.
  • the thread enters during operation through the inlet opening in the suction nozzle and through the suction again, from where he then is fed in the usual way to the coil.
  • a chromium-coated plastic material in the region of the inlet opening, excessive wear can also be counteracted here.
  • the component is a Fadenpositionierelement or a thread catcher.
  • These components belong to the temporary thread-contacting components and can therefore be made particularly advantageous from a chromium-coated plastic material or provided with an insert or reinforcing element of a chromium-coated plastic material.
  • the component has at least one thread guide region, wherein the at least one insert is arranged in the thread guide region.
  • a component may for example be a yarn guide of a traversing device or a yarn guide of a yarn cleaner.
  • thread guides usually have a permanent thread contact;
  • the thread guide portion or possibly also the entire thread guide can be made of the plastic material and provided with the chromium coating.
  • the component is a Fadenumlenkelement or a thread withdrawal tube.
  • These may also have an insert made of a chromium-coated plastic material on their yarn-contacting surfaces or else be embodied as such an insert and inserted into the component carrying it.
  • FIG. 1 shows a schematic, sectional side view of a job 2 of a textile machine 1, which is presently designed as a spinning machine.
  • the workstation 2 in the present case has a spinning device 3 in which a yarn 4 is produced.
  • the thread 4 is withdrawn by means of a take-off device 5 from the spinning device 3 and fed in a conventional manner to a winding device 6, where it is wound onto a bobbin 7.
  • the textile machine 1 is a winder.
  • a thread take-off reel would be arranged, from which the thread is unwound by means of special handling members and then likewise fed to a winding device 6, where it is wound onto a take-up reel.
  • the work station 2 shown in the present case also has a paraffining device 13, a leveling bar 8 for compensating the thread tension, and a thread guide 11 which carries out a traversing movement in order to wind the thread 4 onto the spool 7.
  • the work station shown in the present case 2 is further designed as a self-sufficient workstation 2, which has workstation own handling organs to fix thread breaks or perform maintenance activities at the workplace 2.
  • handling members are a suction nozzle 10, by means which a yarn end accumulated on the bobbin 7 can be looked up and made available for re-spinning, a thread catching device 9, which can take over the thread 4 from the suction nozzle 10 and feed it back to the spinning device 3 for piecing.
  • the thread 4 is received in a thread guide region 17 of the thread catcher 9. Furthermore, a thread positioning element 12 is arranged at the workstation 2.
  • the job 2 may have a number of other handling organs or, in the case of a winder, instead of the other handling organs shown at the workstation 2 may be present.
  • the produced thread 4 through the suction nozzle 10, wherein it enters through an inlet opening 16 of the suction nozzle 10 and exits through a suction port 15 of the suction nozzle 10 again to be wound from there to the coil 7 ,
  • the suction nozzle 10 is connected at its end opposite the suction opening 15 with a suction tube 14, which in turn is connected directly or via a further intermediate piece with a central suction channel 20 of the textile machine 1.
  • the suction nozzle 10 may also be formed integrally with the suction tube 14.
  • the workstation 2 has a further suction tube 14, possibly also at a location other than shown here, which has thread contact at least temporarily, for example during certain maintenance activities.
  • the suction nozzle 10 has a deflection region 18 in order to accomplish the connection from the suction opening 15 and the inlet opening 16 to the vacuum channel 20.
  • the suction nozzle 10 may also have a plurality of deflection regions 18.
  • the suction tube 14 shown may have one or more deflection regions 18, which also applies to suction tubes 14, which are arranged elsewhere or for other purposes on the respective textile machine 1.
  • FIG. 2 shows the previously described job 2 during a maintenance activity after an interruption of the current operation.
  • the same features or the same components are provided with the same reference numerals, so that in the following only on the differences from the FIG. 1 will be received.
  • the suction nozzle 10 can also be movable in order to be brought closer to the coil surface or to have a movable suction opening 15. If the thread 4 is found on the bobbin surface and is sucked through the suction nozzle 10, the thread 4 can be fed back to the spinning device 3 by means of the thread catcher 9, a thread loop being formed in a manner known per se. This situation is in FIG. 2 shown. After the thread loop is supplied to the handling organs of the job 3, the thread 4 is further cut in a known manner and the newly formed thread end prepared for piecing and spun. The separated piece of thread, however, is discharged via the suction tube 14 and the suction channel 20 from the suction nozzle 10. The basic operations during piecing are known and are therefore not described in detail here.
  • the suction nozzle 10 When sucking the thread 4 in the suction nozzle and when forwarding the thread 4 to the suction tube 14, the suction nozzle 10 has, in particular in the deflection 18 a thread contact at the same place. Furthermore, it comes in the loop formation at the edges of the inlet opening 16 of the suction nozzle 10 to a thread contact.
  • the thread positioning element 12 can still be seen, which is presently designed as a thread lifter and by means of which the thread 4 can be lifted out of the yarn guide 11.
  • the thread positioning element 12 can be transferred from its rest position shown in solid lines into its working position shown in dotted lines. Also shown is the position of the thread 4 when it is lifted out of the yarn guide 11.
  • the work 2 shown thus has thread-contacting components, the thread catcher 9, the suction nozzle 10 and the suction tube 14, which is common to these yarn-contacting components that they have only temporary, especially during maintenance, thread contact.
  • the workstation 1 permanent thread-contacting components, to which in addition to the presently not shown elements of the spinning device 3 of the balancing bracket 8, the yarn guide 11 and the Fadenpositionierelement 12 belong.
  • At least the components that only temporarily come into contact with the thread can advantageously be produced from a plastic material which is at least partially provided with a chromium coating. Since often only a part of the surfaces of the component represents a thread-contacting surface of the said yarn-contacting components, it is further conceivable, in the region of the thread-guiding surfaces of the component an insert 19 (see Fig. 3 ), which consists of a plastic material and is provided with a chromium coating.
  • the yarn guide region 17 of the yarn catching device 9 or a yarn contacting surface of the yarn positioning element 12 with such an insert 19 as a reinforcing element.
  • FIG. 3 shows a schematic front view of a job 2 in the FIGS. 1 and 2
  • the suction nozzle 10 with the suction port 15 and the inlet opening 16 can be seen.
  • FIG. 3 Removable, 16 two inserts 19 are provided in the region of the inlet opening, which consist of a chromium-coated plastic material as described above. The edges of the inlet opening 16 can thereby be protected from wear by the thread contact during formation of the thread loop (see FIG. 2 ) to be protected.
  • FIG. 4 shows the in FIG. 3 shown suction nozzle 10 in a schematic rear view.
  • the rear side of the suction nozzle 10 is shown open in the present case, so that the rear view of the suction opening 15 and the inlet opening 16 can be seen accordingly. It is understood that during operation, the suction nozzle 10 is closed on its rear side by a rear wall.
  • an insert 19 is arranged, but according to the present illustration, only a single insert 19 is provided, which preferably surrounds the entire inlet opening 16.
  • the insert 19 includes a deflection region 18, via which a thread entering through the inlet opening 16 can be guided into the lower part of the suction nozzle 10, from where it is finally sucked into the vacuum channel 20 via the suction tube 14. Notwithstanding the insert shown here, which comprises both the deflection region 18 and the inlet opening 16 with a single insert 19, it would of course also be conceivable to provide a separate insert 19 for the deflection region 18.
  • a further deflection region 18 which connects the suction nozzle 10 with the suction pipe 14 and passes in the direction of the machine center to the vacuum channel 20.
  • This deflecting region 18 is also provided in the form of an insert 19 on the suction nozzle 10.
  • the Fadenpositionierelement 12 mounted on the suction nozzle 10.
  • the Fadenpositionierelement 12 is shown in solid lines in its rest position and in dotted lines in its working position in which it is positioned during the piecing of the thread 4 with respect to the center of the job 2.
  • the thread positioning element 12 is also designed as a chromium-coated plastic component or has a chromium coating at least in the region of its thread-contacting surfaces.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)
EP18170873.6A 2017-05-12 2018-05-04 Composant en contact avec le fil d'une machine textile fabricant des bobines croisées Active EP3401424B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017110358.9A DE102017110358A1 (de) 2017-05-12 2017-05-12 Fadenberührendes Bauteil einer Kreuzspulen herstellenden Textilmaschine

Publications (2)

Publication Number Publication Date
EP3401424A1 true EP3401424A1 (fr) 2018-11-14
EP3401424B1 EP3401424B1 (fr) 2021-09-01

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ID=62116744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18170873.6A Active EP3401424B1 (fr) 2017-05-12 2018-05-04 Composant en contact avec le fil d'une machine textile fabricant des bobines croisées

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Country Link
EP (1) EP3401424B1 (fr)
CN (1) CN108928682B (fr)
DE (1) DE102017110358A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438226A (en) * 1965-10-22 1969-04-15 Kluttz Machine & Foundry Inc Plated plastic dye tubes
DE1535104A1 (de) * 1964-07-23 1970-04-09 British Nylon Spinners Ltd Garnaufspulvorrichtung
EP0108195A1 (fr) * 1982-10-16 1984-05-16 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Dispositif pour stocker du matériau filiforme
WO2000046437A2 (fr) * 1999-02-01 2000-08-10 Temco Textilmaschinenkomponenten Gmbh Dispositif permettant de fabriquer du fil guipe
EP2626323A2 (fr) * 2012-02-07 2013-08-14 Murata Machinery, Ltd. Dispositif d'accumulation de fil et dispositif de bobinage de fil muni de celui-ci
EP2799381A1 (fr) * 2013-04-30 2014-11-05 Saurer Germany GmbH & Co. KG Composant en matière plastique de machine textile guidant la fibre, machine textile dotée de composant fonctionnels guidant la fibre, procédé de fabrication d'un composant fonctionnel de machines textile guidant la fibre et utilisation d'un corps en matière plastique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1607563U (de) * 1949-08-11 1950-06-01 Heinrich Thoma Absauganlage fuer spinnmaschinen.
DE1685719U (de) * 1954-07-07 1954-10-28 Ernst Jacobi Fa Fadenbruch-absaugeanlage fuer spinnerei-maschinen u. dgl.
CH467888A (fr) * 1967-12-22 1969-01-31 Mefina Sa Dispositif tire-fil caché pour machine à coudre
DE1907922B2 (de) * 1969-02-17 1974-06-12 Siemens Ag, 1000 Berlin U. 8000 Muenchen Umlaufende Wickelscheibe zum Wickeln von Präzisionsspulen
US4138069A (en) * 1978-05-04 1979-02-06 Corning Glass Works Winding apparatus for glass optical filaments
US4559886A (en) * 1984-11-09 1985-12-24 The Singer Company Thread guide construction
JP4178779B2 (ja) * 2001-09-27 2008-11-12 村田機械株式会社 糸条捕捉案内用サクション部材及び糸条巻取機
DE10330767A1 (de) * 2003-07-07 2005-02-10 Rieter Ingolstadt Spinnereimaschinenbau Ag Fadenberührendes Bauteil von Spinnmaschinen
US7194789B2 (en) * 2003-12-23 2007-03-27 Kimberly-Clark Worldwide, Inc. Abraded nonwoven composite fabrics
US8616489B2 (en) * 2009-05-08 2013-12-31 Georgia-Pacific Consumer Products Lp Sheet product dispenser
DE102010049515A1 (de) * 2010-10-25 2012-04-26 Oerlikon Textile Gmbh & Co. Kg Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
CN202358772U (zh) * 2011-12-02 2012-08-01 福建百宏聚纤科技实业有限公司 一种纺丝丝饼的运输传送装置
DE102014113000A1 (de) * 2014-09-10 2016-03-10 Rieter Ingolstadt Gmbh Beschichtung für einen Drehteller

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1535104A1 (de) * 1964-07-23 1970-04-09 British Nylon Spinners Ltd Garnaufspulvorrichtung
US3438226A (en) * 1965-10-22 1969-04-15 Kluttz Machine & Foundry Inc Plated plastic dye tubes
EP0108195A1 (fr) * 1982-10-16 1984-05-16 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Dispositif pour stocker du matériau filiforme
WO2000046437A2 (fr) * 1999-02-01 2000-08-10 Temco Textilmaschinenkomponenten Gmbh Dispositif permettant de fabriquer du fil guipe
EP2626323A2 (fr) * 2012-02-07 2013-08-14 Murata Machinery, Ltd. Dispositif d'accumulation de fil et dispositif de bobinage de fil muni de celui-ci
EP2799381A1 (fr) * 2013-04-30 2014-11-05 Saurer Germany GmbH & Co. KG Composant en matière plastique de machine textile guidant la fibre, machine textile dotée de composant fonctionnels guidant la fibre, procédé de fabrication d'un composant fonctionnel de machines textile guidant la fibre et utilisation d'un corps en matière plastique

Also Published As

Publication number Publication date
DE102017110358A1 (de) 2018-11-15
CN108928682B (zh) 2021-07-27
CN108928682A (zh) 2018-12-04
EP3401424B1 (fr) 2021-09-01

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