EP2487282B1 - Dispositif de canal de guidage de fibres pour un métier à tisser à extrémité ouverte - Google Patents

Dispositif de canal de guidage de fibres pour un métier à tisser à extrémité ouverte Download PDF

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Publication number
EP2487282B1
EP2487282B1 EP11009591.6A EP11009591A EP2487282B1 EP 2487282 B1 EP2487282 B1 EP 2487282B1 EP 11009591 A EP11009591 A EP 11009591A EP 2487282 B1 EP2487282 B1 EP 2487282B1
Authority
EP
European Patent Office
Prior art keywords
guide channel
fibre guide
fibre
insert
channel device
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.)
Active
Application number
EP11009591.6A
Other languages
German (de)
English (en)
Other versions
EP2487282A2 (fr
EP2487282A3 (fr
Inventor
Lothar Winzen
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 Germany 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 Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2487282A2 publication Critical patent/EP2487282A2/fr
Publication of EP2487282A3 publication Critical patent/EP2487282A3/fr
Application granted granted Critical
Publication of EP2487282B1 publication Critical patent/EP2487282B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-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
    • D01H4/38—Channels for feeding fibres to the yarn forming region
    • 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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/24—Guides for filamentary materials; Supports therefor with wear-resistant surfaces
    • 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
    • B65H2701/311—Slivers

Definitions

  • the invention relates to a fiber guide channel device for an open-end spinning device according to the preamble of claim 1.
  • Faserleitkanal crampen are in connection with sliver-opening devices of open-end rotor spinning machines long known and described in detail in numerous patent applications.
  • a sliver stored in a sliver can be presented to a rotating opening roller, which combs the sliver in individual fibers.
  • the combed individual fibers are then fed pneumatically over a so-called Faserleitkanal a rotating in a rotor housing at high speed spinning rotor and turned in the rotor groove continuously to the end of the spinning rotor via a yarn withdrawal device leaving yarn.
  • the yarn produced by the open-end rotor spinning device is then wound up on an associated winding device into a cross-wound bobbin.
  • the Faserleitkanal cramping should, for example, not only have an advantageous geometric design, but also be optimally designed with respect to the surface quality of their Faserleitkanals.
  • Faserleitkanal bootsen should prevail within their Faserleitkanals flow conditions, which ensure that the fibers are stretched or stretched during transport and it should be prevented that can accumulate during the pneumatic fiber transport fibers in Faserleitkanal.
  • the US 4,854,119 A discloses a one-piece Faserleitkanal founded for an open-end spinning device with a determinable in an opening roller housing Faserleitkanal over the individual fibers, which are combed by an opening roller of a master sliver, are pneumatically transported to a rotating at high speed in a rotor housing under horrbeetzmacherbaren spinning.
  • the DE 10 2004 040 875 A1 describes a Faserleitkanal driving, with a formed as a hollow body channel insert made of sheet steel, which, mounted on a corresponding support slide, is encapsulated in an injection or die casting mold with plastic or aluminum.
  • a channel plate adapter whose main body is made of plastic and in which a prefabricated Faserleitkanalconnect is poured into the body, which consists of an abrasion-resistant material.
  • the DE 197 42 498 A1 discloses a part of an opening roller housing, which is made of a glass fiber reinforced plastic and whose Faserleitkanal is surrounded by a channel jacket made of a ceramic material.
  • the diecast part has, in addition to a central Faserleitkanal on a foot with a centering device and an annular groove for receiving a sealing ring.
  • the diecast part can be fixed in an accurate and airtight manner in a corresponding bore of the opening roller housing and connected via its mouth region to a central Kanalplattenadapter effectiveness in the cover element of the open-end spinning device.
  • the mouth region is also airtight connected to the Kanalplattenadapter effectiveness via a corresponding seal.
  • Faserleitkanal bootsen are also usually provided with a wear protection, that is, the die castings are immersed in a nickel dispersion bath or the like.
  • Faserleitkanal bootsen have proven themselves in practice and are in open-end rotor spinning in large numbers in use.
  • This insertion piece which is rotationally fixedly positioned in a corresponding recess of the fiber guide channel foot, forms a constriction in the area of the inlet opening of the fiber guide channel which significantly reduces the clear channel cross section, which leads to an increase in the flow velocity of the transport air flow in this area.
  • the reduction of the clear cross-section of the fiber guide channel in the region of the inlet opening has proven itself especially with cotton yarns, however, difficulties may occur with other fiber materials, such as polyester or polyester blends in the fiber guide channel.
  • the arrangement of such an insert in the input region of the fiber guide channel leads to a noticeable impairment of the surface quality of the fiber guide channel. That is, between the Faserleitkanalwandung and the insert narrow, running in the fiber transport direction columns in which individual fibers can accumulate, hard to avoid.
  • Faserleitkanal bootsen is also their production as zinc or aluminum die cast parts, since such a production is known to permanently high tooling costs. Moreover, in this manufacturing method, the reject rate, in particular due to the high quality requirements for the surface quality in the fiber guide channel, relatively high.
  • a mixture of a sinterable substance and a binder is first of all injection-molded to form a first oversize raw form which is converted into a porous intermediate form by debinding and brought into a post-processing-poor final shape by sintering.
  • the end bodies formed after sintering can be subjected to virtually all conceivable heat treatment and surface treatment processes in subsequent finishing processes with almost no further aftertreatment.
  • the present invention seeks to further improve the known Faserleitkanal wisdomen.
  • the improved Faserleitkanal crampen should not only be inexpensive to produce, but also have a long life and optimal functionality.
  • the inventive construction of the Faserleitkanal driving with a Faserleitkanalkorpus which is made as a plastic part and in the Faserleitkanaleingangs has a receiving opening in which a Faserleitkanalprin is positioned, which is designed as a socket-like, completely closed component and made of a highly abrasion resistant material, among others the advantage that such Faserleitkanal bootsen are inexpensive to manufacture.
  • it can be ensured in a relatively simple manner with such a trained Faserleitkanal driving that can set in the fiber guide no single fibers.
  • Faserleitkanal constuents of a highly abrasion-resistant material is further ensured that the Faserleitkanal bootsen invention each have a long life.
  • Faserleitkanallanging is particularly given when the Faserleitkanaloir, as described in claim 2, is made of a technical ceramic material.
  • a technical ceramic material for example, oxide ceramic, is known to have the advantage that it is very resistant to wear and therefore that, despite the expected heavy use, a long life of Faserleitkanalcons is guaranteed.
  • Such a relatively heavy stress is exposed to the Faserleitkanalintr especially in the area of the so-called Faserabrisskante.
  • the Faserleitkanalist in an advantageous embodiment, a fiber guide region, whose light cross section is matched to the clear cross section of the fiber guide channel in the fiber guide channel input. That is, the clear cross section of the fiber guide portion of the fiber guide channel insert is selected to be slightly below the clear cross section of the fiber guide channel input.
  • Such an embodiment not only reliably prevents the formation of gaps in the fiber transport direction, but also prevents any obstacles projecting transversely to the fiber transport direction in the transition region between the fiber guide channel insert and the fiber guide channel body, at which individual fibers could become lodged during their pneumatic transport to the spinning rotor.
  • the Faserleitkanallang has a collar-like projection with a section, which forms a fiber tear-off edge for the individual fibers combed out of the opening roller in the operating state of the fiber guide channel device. That is, the collar-like approach has on its underside a portion which is formed as a concave curved surface and together with a corresponding rounding at Faserleitkanalfuß forms an air guide whose radius is slightly above the radius of the opening roller in the opening roller.
  • the receiving opening of the Faserleitkanalkorpus' arranged in the installed state parallel to the axis of rotation of the opening roller abutment edge and with a guide approach on Faserleitkanalcommun corresponding guide groove (Anspr.5).
  • the central fiber guide channel has a wear-protected surface in the fiber guide channel body. That is, the Faserleitkanal the Faserleitkanal boots is coated by a suitable treatment method with a hard protective layer. By such a wear-protected surface can be realized in a cost effective manner a Faserleitkanalkorpus, although made of a plastic, has a high stability.
  • Open-end rotor spinning device 1 shown has, as is known, a rotor housing 2, in which a spinning rotor 3 rotates at high speed.
  • the spinning rotor 3 is supported with its rotor shaft 4 in the gusset of a support disk bearing 5 and is driven by a machine-long tangential belt 6, which is acted upon by a pressure roller 7.
  • the spinning rotor 3 could of course also be driven by a single motor and, for example, be supported without contact in a permanent magnet bearing.
  • the rotor housing 2 which is open towards the front is, during spinning operation, by a pivotably mounted cover element 8, into which a channel plate 37 with a receptacle for a exchangeable channel plate adapter 12 and an annular groove for a seal 9 is integrated, sealed.
  • the rotor housing 2 is also connected via a corresponding pneumatic line 10 to a vacuum source 11, which generates the necessary during the spinning operation in the rotor housing 2 spinning vacuum.
  • a replaceable channel plate adapter 12 is arranged in a receiving opening of the channel plate 37, which has, as usual, the front of a yarn withdrawal nozzle and the mouth region of an output side Faserleitkanalabsacrificings. In the operating state, this output-side fiber guide channel section adjoins an input-side fiber guide channel section formed by the fiber guide channel 13 of a fiber guide channel device 50.
  • the lid member 8 which is mounted rotatably limited about a pivot axis 16, has an opening roller housing 17 and has rear bearing brackets 19, 20 for supporting an opening roller 21 and a sliver feed cylinder 22.
  • the opening roller 21 is driven in the embodiment in the region of its whorl 23 by a rotating, machine-long tangential belt 24, while the drive of the sliver feed cylinder 22 preferably via a (not shown) worm gear arrangement, which is connected to a machine-length drive shaft 25.
  • individual motor drives for the opening roller 21 and / or the sliver feed cylinder 22 can of course also be provided here.
  • FIG. 2 schematically shows a front view of an opening roller housing 17 with an opening roller 21 and a Faserleitkanal sensible invention 50th
  • the fiber guide channel device 50 in this case has a locating position in a connection bore 31 of the opening roller housing 17 positioned Faserleitkanalkorpus 14 with a central Faserleitkanal 13, wherein the Faserleitkanalkorpus 14 is preferably formed as a plastic part.
  • the connection bore 31 has an abutment step 32, on which the fiber guide channel body 14 is supported in the installed state.
  • the connection bore 31 furthermore has a lateral recess 33 into which a position fixing device 34 arranged on the fiber guide channel body 14 engages.
  • the Faserleitkanalkorpus 14 is in turn sealed against the connection bore 31 of the opening roller housing 17 by an O-ring seal 35 which is positioned in a corresponding annular groove 36 of the Faserleitkanalfußes 44.
  • the sealing of the Faserleitkanalkorpus' 14 relative to the channel plate 37 and thus relative to the arranged in a recording of the channel plate 37 Kanalplattenadapter 12 takes place in the illustrated embodiment via a hose nozzle 38 which is supported on a contact shoulder 41 of the Faserleitkanalkorpus 14.
  • the Faserleitkanalkorpus 14 is equipped in the operating state with a Faserleitkanalprin 27 which is fixed in the region of the Faserleitkanaleingangs 18 of Faserleitkanalkorpus' 14 in a receiving opening 15.
  • the Faserleitkanalkorpus generally designated by the reference numeral 14 is formed as a hollow body and has a central fiber channel 13, the light cross-section A decreases from Faserleitkanaleingang 18 to its mouth 26 out. That is, based on its width of the Faserleitkanal 13 within the Faserleitkanalkorpus' at an angle ⁇ conically.
  • the Faserleitkanalkorpus 14 further includes a, seen in plan view, in cross-section circular Faserleitkanalfuß 44, a partially conical middle section 45 and a cylindrical mouth section 46. In Faserleitkanalfuß 44 while an annular groove 36 for receiving an O-ring seal 35 is arranged.
  • the fiber guide channel foot 44 has a concave curve 42 for adaptation to the opening roller receptacle in the opening roller housing 17.
  • This rounding 42 is, as explained in more detail below, with built-fiber guide channel insert 27 in a section 30 which is part of a collar-like projection 29 of Faserleitkanalansatzes 27.
  • a receiving opening 15 is arranged in the region of the Faserleitkanaleingangs 18, in which, as already indicated above, a Faserleitkanalprin 27 can be fixed.
  • the Faserleitkanalprin 27 is designed as a sleeve-like, completely closed component and preferably made of a highly abrasion-resistant material.
  • the Faserleitkanalcommun 27, the light cross-section A 1 is tuned to the clear cross-section A of Faserleitkanals 13 in the Faserleitkanaleingangs 18, has a collar-like projection 29, wherein one side of the collar-like projection 29 with a stop edge 39 on Faserleitkanalkorpus 14 corresponds.
  • the collar-like projection 29 also has, on its underside, a section 30 which is designed as a concavely curved air conduction surface whose radius is slightly above the diameter of the opening roller 21 revolving in the opening roller housing 17.
  • a section 30 which is designed as a concavely curved air conduction surface whose radius is slightly above the diameter of the opening roller 21 revolving in the opening roller housing 17.
  • the Faserleitkanalkorpus 14 seen in cross section, circular Faserleitkanalfuß 44, wherein above the Faserleitkanalfußes 44 to the Faserleitkanalkorpus 14 a Heilfixier noise 34 is formed, which, as in particular from Fig.2 can be seen, engages in a corresponding recess 33 of the connection bore 31 in the opening cylinder housing 17 and thus specifies the exact installation position of the Faserleitkanalkorpus 14.
  • a contact shoulder 41 is arranged on which a hose nozzle 38 is supported in the installed state.
  • the fiber guide channel 13 integrated in the fiber guide channel body 14 runs conically in the middle section 45, based on its width.
  • the mouth section 46 of cylindrical design with respect to its external shape has a fiber guide channel section whose clear cross section remains virtually constant over the entire length. This means that in this Faserleitkanalabites, which makes up about one-fifth of the total length of the Faserleitkanals 13, a calming of the fed into the spinning rotor individual fibers takes place.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (6)

  1. Dispositif à canal de guidage de fibres destiné à un appareil de filage à fibres libérées, comportant un corps à canal de guidage de fibres qui peut être verrouillé à demeure dans un carter de cylindre ouvreur, est muni, dans la région de l'entrée de son canal de guidage de fibres, d'un orifice de réception dédié à un embout inséré dans ledit canal de guidage de fibres, et par l'intermédiaire du canal central de guidage duquel des fibres individuelles, détachées d'un ruban de fibres préparatoire par un cylindre ouvreur, sont transportées pneumatiquement vers un rotor de filage tournant, à vitesse de rotation élevée, dans un carter rotorique pouvant être sollicité par une dépression,
    caractérisé par le fait
    que le corps (14) à canal de guidage de fibres est réalisé sous la forme d'une pièce en matière plastique et l'embout (27), inséré dans ledit canal de guidage de fibres, est fabriqué en tant que partie structurelle du type manchon, fermée périphériquement et constituée d'un matériau hautement résistant à l'abrasion.
  2. Dispositif à canal de guidage de fibres selon la revendication 1, caractérisé par le fait que l'embout (27), inséré dans le canal de guidage de fibres, est fabriqué en un matériau céramique technique.
  3. Dispositif à canal de guidage de fibres selon la revendication 1, caractérisé par le fait que l'embout (27), inséré dans le canal de guidage de fibres, présente une zone (28) de guidage de fibres dont la section transversale intérieure (A1) est coordonnée avec la section transversale intérieure (A) du canal (13) de guidage de fibres dans la région de l'entrée (18) dudit canal de guidage de fibres.
  4. Dispositif à canal de guidage de fibres selon la revendication 1, caractérisé par le fait que l'embout (27), inséré dans le canal de guidage de fibres, présente une embase (29) de réalisation du type collerette pourvue d'une région (30) qui forme, en mode fonctionnement dudit dispositif (50) à canal de guidage de fibres, une arête de rupture résistant à l'abrasion et dévolue aux fibres individuelles détachées par le cylindre ouvreur (21).
  5. Dispositif à canal de guidage de fibres selon la revendication 1, caractérisé par le fait que l'orifice de réception (15), pratiqué dans le corps (14) à canal de guidage de fibres, présente une arête d'appui (39) occupant, à l'état intégré, une position parallèle à l'axe de rotation du cylindre ouvreur (21), sachant qu'il est prévu une rainure de guidage (40) concordant avec un appendice de guidage ménagé sur l'embout (27) inséré dans le canal de guidage de fibres.
  6. Dispositif à canal de guidage de fibres selon la revendication 1, caractérisé par le fait que le canal central (13) de guidage de fibres est doté d'une surface protégée de l'usure à l'intérieur du corps (14) à canal de guidage de fibres.
EP11009591.6A 2011-02-11 2011-12-06 Dispositif de canal de guidage de fibres pour un métier à tisser à extrémité ouverte Active EP2487282B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011010925A DE102011010925A1 (de) 2011-02-11 2011-02-11 Faserleitkanaleinrichtung für eine Offenend-Spinnvorrichtung

Publications (3)

Publication Number Publication Date
EP2487282A2 EP2487282A2 (fr) 2012-08-15
EP2487282A3 EP2487282A3 (fr) 2015-02-25
EP2487282B1 true EP2487282B1 (fr) 2016-11-02

Family

ID=45350593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009591.6A Active EP2487282B1 (fr) 2011-02-11 2011-12-06 Dispositif de canal de guidage de fibres pour un métier à tisser à extrémité ouverte

Country Status (4)

Country Link
US (1) US8468792B2 (fr)
EP (1) EP2487282B1 (fr)
CN (1) CN102634886A (fr)
DE (1) DE102011010925A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010044181A1 (de) * 2010-11-19 2012-05-24 Maschinenfabrik Rieter Ag Faserkanaleinsatz
DE102013007432A1 (de) * 2013-04-30 2014-10-30 Saurer Germany Gmbh & Co. Kg Faserführendes Textilmaschinen-Kunststoffteil, Textilmaschine mit faserführenden Funktionsbauteilen, Verfahren zum Herstellen eines faserführenden Textilmaschinen-Funktionsbauteils und Verwendung eines Kunststoffkörpers
DE102018105075A1 (de) * 2018-03-06 2019-09-12 Saurer Spinning Solutions Gmbh & Co. Kg Faserleitkanaleinrichtung für eine Offenend-Spinnvorrichtung mit einer Rastverbindung
DE102019102337A1 (de) * 2019-01-30 2020-07-30 Saurer Spinning Solutions Gmbh & Co. Kg Faserführungseinsatz für ein Auflösewalzengehäuse
EP3754059A1 (fr) * 2019-06-17 2020-12-23 Saurer Czech s.r.o. Boîtier divisé comportant un ensemble rotor d'une machine à filer à rotor et procédé d'installation d'un ensemble rotor dans un boîtier d'une machine à filer à bout libre à rotor
CN112251860B (zh) * 2020-09-29 2021-12-24 周有喜 一种纺线机的压线装置

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US4854119A (en) * 1987-02-19 1989-08-08 Fritz Stahlecker Arrangement for open-end rotor spinning
DE4416977C2 (de) * 1994-05-13 1996-12-19 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
DE19603730A1 (de) * 1996-02-02 1997-08-07 Schlafhorst & Co W Faserkanalplatte einer Offenend-Spinnvorrichtung
DE19712881B4 (de) 1997-03-27 2005-12-22 Saurer Gmbh & Co. Kg Offenend-Spinnvorrichtung
DE19742498A1 (de) 1997-09-26 1999-04-01 Friedrich Legrom Faserzuführelement einer Rotorspinnmaschine
DE19915924B4 (de) * 1999-04-09 2009-12-10 Rieter Ingolstadt Gmbh Fadenführungsrohr
DE10305279A1 (de) * 2003-02-08 2004-08-19 Saurer Gmbh & Co. Kg Kanalplattenadapter für eine Offenend-Rotorspinnvorrichtung
DE10348710A1 (de) * 2003-10-16 2005-05-12 Saurer Gmbh & Co Kg Faserleitkanal
DE10359417B4 (de) 2003-12-18 2014-04-03 Saurer Germany Gmbh & Co. Kg Faserleitkanal
DE102004005429A1 (de) 2004-02-04 2005-08-25 Saurer Gmbh & Co. Kg Faserleitkanal für eine Offenend-Spinnvorrichtung sowie Verfahren zum Herstellen eines Faserleitkanals
DE102004040875A1 (de) 2004-08-24 2006-03-02 Saurer Gmbh & Co. Kg Faserleitkanal für eine Offenend-Spinnvorrichtung
DE102005050102B4 (de) * 2005-10-18 2018-04-05 Rieter Ingolstadt Gmbh Offenend-Spinnvorrichtung mit einem Faserkanal aus mehreren Kanalbauteilen
DE102008055845A1 (de) * 2008-11-04 2010-05-06 Oerlikon Textile Gmbh & Co. Kg Offenend-Spinnvorrichtung

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Also Published As

Publication number Publication date
US8468792B2 (en) 2013-06-25
EP2487282A2 (fr) 2012-08-15
EP2487282A3 (fr) 2015-02-25
CN102634886A (zh) 2012-08-15
US20120204530A1 (en) 2012-08-16
DE102011010925A1 (de) 2012-08-16

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