EP0236324B1 - Procede de filature a fibres liberees, et dispositif pour sa mise en o euvre - Google Patents

Procede de filature a fibres liberees, et dispositif pour sa mise en o euvre Download PDF

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Publication number
EP0236324B1
EP0236324B1 EP85905772A EP85905772A EP0236324B1 EP 0236324 B1 EP0236324 B1 EP 0236324B1 EP 85905772 A EP85905772 A EP 85905772A EP 85905772 A EP85905772 A EP 85905772A EP 0236324 B1 EP0236324 B1 EP 0236324B1
Authority
EP
European Patent Office
Prior art keywords
collecting surface
thread
sector
groove
opening
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.)
Expired
Application number
EP85905772A
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German (de)
English (en)
Other versions
EP0236324A1 (fr
Inventor
Karl Handschuch
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Schubert und Salzer Maschinenfabrik 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
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Application filed by Schubert und Salzer Maschinenfabrik AG filed Critical Schubert und Salzer Maschinenfabrik AG
Publication of EP0236324A1 publication Critical patent/EP0236324A1/fr
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Expired legal-status Critical Current

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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
    • D01H4/04—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 imparting twist by contact of fibres with a running surface
    • D01H4/16—Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum
    • 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
    • D01H4/02—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 imparting twist by a fluid, e.g. air vortex
    • 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
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls

Definitions

  • the invention relates to an open-end spinning process in which a fiber structure is broken down into individual fibers and the dissolved fiber material is fed in an air stream to a collecting surface from which it is drawn off with swirl, and a device for carrying out the process.
  • open-end rotor spinning and open-end friction spinning have gained significant importance.
  • the latter has the particular advantage over rotor spinning that it does not require the rotational speeds of the spinning elements as high as that of rotor spinning and nevertheless higher production speeds can be achieved: finer yarns can be spun efficiently.
  • the quality of the yarns spun by the friction spinning process is unsatisfactory, however, since the individual fibers are not fed into the spider gusset in the parallel position required for their proper incorporation in the rotating free yarn end.
  • the object of the present invention is to provide an open-end spinning process which makes it possible to produce a good quality yarn at a high production speed, and an apparatus for carrying out the process.
  • the object is achieved according to the invention in a method according to the preamble of claim 1 in that the fiber material is deposited as individual fibers on a collecting surface moving in the thread take-off direction and is continuously removed as a thread from the twist.
  • the already finished thread is not fed by fibers, but these are each fed to the end of the thread.
  • Orienting the fibers on the collecting surface is achieved by feeding the individual fibers in the direction of the movement of the collecting surface.
  • the duplication is separated from the spinning process by bundling and / or doubling the fiber material on the collecting surface to form a ribbon
  • the twist is expediently carried out by a twist device which is known per se, independently of the collecting surface, and it can be provided that the fiber ribbon formed on the collecting surface is deposited in the spider gusset formed by two closely adjacent cylinders which can be driven in the same direction is twisted and continuously withdrawn.
  • the device for carrying out the method is characterized by a collecting surface in the form of a groove which moves in the thread pull-off direction and which is designed such that the fiber material required for thread formation is completely absorbed therein and preformed into a thread, and by a preformed thread in the Grooving device giving the twist and a pulling device pulling the twisted thread from the groove.
  • the collecting surface is arranged on the circumference of a disk-like cylinder.
  • the surface speed of the collecting surface is approximately equal to the thread take-off speed, so that the full fiber mass required for the finished thread is already collected on the collecting surface and conveyed as a closed fiber formation in the direction of the swirl element and twisted together to form the thread.
  • duplication is therefore not in the rotation zone, but in a rotation-free zone. This separation of twist and duplication produces a good quality yarn.
  • a warp with a further parallelization of the fibers associated therewith and a doubling of the fibers on the collecting surface increased by this warpage is brought about by the fact that the surface speed of the collecting surface is lower than the thread take-off speed.
  • the collecting surface is designed like a groove.
  • the width of the groove corresponds approximately to the thickness of the fiber material fed in, so that approximately a fiber formation corresponding to the yarn diameter is formed.
  • the cross section of the groove is expediently V-shaped. Because the base of the groove is rounded, the rotation propagation in the fiber formation is favored.
  • a safe transport of the fibers through the collecting surface is ensured in that the fibers are held pneumatically on the collecting surface.
  • the collection area is preferably divided into sectors.
  • the collecting surface has a first sector with an inward air flow that extends in the direction of movement of the collecting surface from the feed point to a second sector. Expediently, an outward air flow flows through the collecting area in the region of the second sector.
  • the second sector of the quilt is connected to the atmosphere.
  • a defined air flow in the area To get the quilt the quilt is enclosed in a housing.
  • a dissolving device is connected upstream of the collecting surface.
  • the opening device is connected to the collecting surface via a fiber channel which opens onto the collecting surface essentially tangentially in the direction of the movement thereof and the opening of which is adapted to the width of the collecting surface.
  • a fiber feeding channel is dispensed with.
  • the housing of the opening roller and the housing of the cylinder are arranged directly next to one another and are connected to one another by a connecting opening.
  • a cleaning device is expediently assigned to the collecting surface.
  • a pair of friction rollers which are driven in the same direction and form a spinning gusset, can serve as the swirl element, the axis of rotation of the cylinder having the collecting surface lying in a plane perpendicular to the spinning gusset.
  • the moving collecting surface is followed by a pneumatic drawer in the thread take-off direction.
  • Fig. 1 shows one of two friction rollers 1 and 2, which, as shown in Fig. 2, are arranged parallel and closely next to each other.
  • the friction rollers 1 and 2 form a gusset 3, in which fed fibers are spun into a yarn.
  • the friction rollers 1 and 2 are driven in the same direction in a manner not shown, for example by means of a tangential belt.
  • the friction roller 2 rotating out of the spinning gusset 3 is not perforated and is not vacuumed.
  • the roller 1 screwing into the spider gusset 3 has a perforated outer surface and is provided with a suction insert 10 connected to a suction device (not shown) (FIG. 2).
  • the suction insert 10 has in the gusset area a slot 11 extending in the longitudinal direction of the spinning gusset 3; through which a suction air flow is generated.
  • the design of the friction rollers has no influence on the invention. Both friction rollers can also be vacuumed.
  • a disk-like cylinder 7 enclosed by the housing 4 is rotatably mounted, on the circumference of which a collecting surface 70 is provided.
  • the collecting surface 70 is connected to the opening device 5 via a fiber channel 51 which opens approximately tangentially in the direction of the rotational movement of the collecting surface 70 and the width of which is adapted to the collecting surface 70.
  • the cylinder 7 is mounted on a hollow shaft 8 fastened in the machine frame, which extends in a plane perpendicular to the spinning gusset 3, by means of roller bearings 81 and is expediently driven by a toothed belt 71 in the direction of the arrow P.
  • the cylinder 7 should extend as far as possible into the gusset area.
  • the disk-like cylinder 7 is connected to a suction device (not shown) via the hollow axis 8.
  • the suction air flow only acts on the collecting surface in a sector I, which extends in the direction of movement of the collecting surface 70 from the feed point 30 of the fibers onto the collecting surface 70 to a second sector II.
  • the second sector II is kept free of the suction air flow by partition walls 74.
  • the fiber material is fed via the feed trough 60 as a sliver B by means of the feed roller 6 to the opening roller 5, by means of which the fibers are separated.
  • the negative pressure in sector I of cylinder 7 creates a transport air flow which transports the individual fibers through fiber channel 51 to collecting surface 70, on which the fibers are deposited.
  • the individual fibers coming from the disintegration device 5 each abut the last fibers fed in and are integrated into the thread end.
  • the surface speed of the collecting surface 70 is approximately equal to the thread take-off speed. This results in a collection of the yarn required for the finished pulp in the 'Sammeifiumblee 70 and thus a duplication.
  • the friction rollers 1 and 2 serve only as a twist element, so that there is no overfeeding of the already finished thread.
  • FIGS. 3 and 4 differs from the device shown in FIGS. 1 and 2 essentially in that a pneumatic swirl element is used to impart rotation and the housing of the opening roller 5 and the wall defined by the walls 40 and 40 ' Cylinders 7 'are arranged directly next to each other, so that the fiber channel 51 is omitted.
  • the two housings are connected to one another via a common connecting opening 43, through which the fibers are transferred from the opening roller 5, which is driven by a belt 52, to the fiber collecting surface 70.
  • the cylinder 7 ' is here adapted to the width of the opening roller 5 and provided with V-shaped tapered edges which bring the fibers together from the width of the opening roller 5 to the width of the collecting surface 70.
  • the cylinder 7 ' is suctioned essentially for the retention of the fibers on the collecting surface 70.
  • the opening roller 5 is assigned a guide plate 53 which is fastened to the housing 4 and extends from the point at which the fibers detach from the opening roller 5 to close to the collecting surface 70.
  • the baffle 53 also has a sealing function. In conjunction with the fixed screen 75 in the sector 111 and optionally with an additional sealing means 42 attached to the guide plate 53, it ensures that the fibers are not caught by an air flow directed against the direction of movement of the collecting surface 70, but only the air flow in the direction of rotation of the collecting surface 70 follow and are placed on the quilt 70 oriented. 1 in the direction of rotation of the cylinder 7 at the beginning of the sector 111 is arranged. Expediently maintained here and, like the seal 42 fastened to the guide plate 53, serves simultaneously as a cleaning device.
  • a shield 54 is also arranged between the connection opening 43 and the sector II, which extends to near the collecting surface 70 (FIG. 3).
  • the shield 54 prevents fibers from being caught by the suction air flowing to the friction roller 1 before they are deposited on the collecting surface 70. It also prevents the fibers from leaving the collecting surface (70) prematurely and in an uncontrolled manner under the influence of the air flow emanating from the friction rollers 1 and 2.
  • a fiber guide plate 55 can additionally be provided following the connection opening 43.
  • the pneumatic swirl element used to impart rotation contains an injector nozzle 90 and a swirl nozzle 91 arranged after it.
  • a bypass 95 in the housing 4 is assigned to the mouth of the injector nozzle 90, which is in the immediate vicinity of the collecting surface 70.
  • the twisted thread is drawn off from the collecting surface 70 by a pair of draw-off rollers 9.
  • other pneumatic or mechanical twist elements can also be used to impart twist. otherwise the function of this device is the same as that of the device according to FIGS. 1 and 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

Un procédé de filature dans lequel un ruban de fibres (B) est séparé en fibres individuelles, et la matière separée est amenée par un courant d'air vers une surface de réception (70), de laquelle elle est retirée avec un mouvement de torsion. Selon l'invention, la matière fibreuse est déposée sur une surface de réception (70) se déplaçant dans le sens du retrait du fil et est enlevée constamment de la surface de réception avec un mouvement de torsion de manière à produire le fil voulu. Les fibres individuelles sont acheminées dans la direction du mouvement de la surface de réception (70), et sont par conséquent déposées avec une certaine orientation sur la surface de réception (70). Le doublage se fait séparément de la filature; à cette fin, la matière fibreuse est groupée sur la surface de réception (70) et/ou doublée pour faire un paquet de fibres possédant le poids de fibres nécessaire pour un fil donné. Le débit du fil, effectué avec un mouvement de torsion, se fait indépendamment de la surface de réception (70) au moyen d'un élément de torsadage déjà connu.

Claims (24)

1. Procédé de filature à fibres libérées, dans lequel un ruban de fibres est séparé en des fibres individuelles et la matière fibreuse ainsi détachée ou défibrée est acheminée dans un courant d'air vers une surface collectrice d'où elle est retirée avec formation d'une torsion, procédé caractérisé en ce que la matière fibreuse est déposée, sous forme de fibres individuelles, sur une surface collectrice se déplaçant dans le sens de l'appel ou du retrait du fil et en ce qu'elle en est retirée en continu, avec formation d'une torsion, sous forme de fil.
2. Procédé selon la revendication 1, caractérisé en ce que l'alimentation en fibres individuelles est réalisée dans le sens du mouvement de la surface collectrice.
3. Procédé selon les revendications 1 ou 2, caractérisé en ce que la matière fibreuse est rassemblée en nappe et/ou doublée sur la surface collectrice en un petit ruban de fibres, qui présente la masse des fibres nécessaire pour la formation du fil voulu.
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la torsion est produite par un dispositif de torsion, connu en lui-méme, indépendamment de la surface collectrice.
5. Procédé selon la revendication 4, caractérisé en ce que le petit ruban de fibres, formé sur la surface collectrice, est déposé dans l'espace intermédiaire de filage, formé par deux cylindres très rapprochés et pouvant être entraînés pour tourner dans le même sens, en ce qu'il subit une rotation commune donnant un fil et en ce qu'il est enlevé en continu.
6. Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 5, caractérisé en ce qu'il comporte une surface collectrice (70) en forme de gorge (72), se déplaçant dans le sens d'enlèvement du fil et qui est configurée de manière que la matière fibreuse nécessaire pour la formation du fil y est entièrement reçue et préformée en un fil, ainsi qu'un organe (1, 2 ; 90, 91) formateur de torsion, conférant une torsion à un fil préformé se trouvant dans la gorge (72), et un dispositif (9) délivreur, qui retire de la gorge le fil torsadé.
7. Dispositif selon la revendication 6, caractérisé en ce que la surface collectrice (70) est disposée à la périphérie d'un cylindre (7) du genre d'un disque.
8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que la vitesse de la surface extérieure de la surface collectrice (70) est approximativement égale à la vitesse d'enlèvement ou de délivrance du fil.
9. Dispositif selon la revendication 6 ou 7, caractérisé en ce que la vitesse de la surface extérieure de la surface collectrice (70) est inférieure à la vitesse d'extraction ou de délivrance du fil.
10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce que la largeur de la gorge (72) correspond approximativement à l'épaisseur de la matière fibreuse fournie.
11. Dispositif selon l'une des revendications 6 à 10, caractérisé en ce que la section transversale de la gorge (72) est en forme de V.
12. Dispositif selon l'une des revendications 6 à 10, caractérisé en ce que le fond de la gorge est arrondi.
13. Dispositif selon l'une des revendications 6 à 12, caractérisé-en ce que la surface collectrice (70) est perforée et fait l'objet d'une aspiration.
14. Dispositif selon la revendication 13, caractérisé en ce que la surface collectrice (70) présente un premier secteur (I) avec un courant d'air dirigé vers l'intérieur et qui s'étend, dans le sens du déplacement de la surface collectrice (70), de la zone (30) d'alimentation jusqu'à un second secteur (II).
15. Dispositif selon la revendication 14, caractérisé en ce que, dans la zone du second secteur (II), la surface collectrice (70) est parcourue par un courant d'air dirigé vers l'extérieur.
16. Dispositif selon la revendication 15, caractérisé en ce que le second secteur (II) de la surface collectrice (70) est raccordé à l'atmosphère.
17. Dispositif selon l'une des revendications 6 à 16, caractérisé en ce que la surface collectrice (70) est entourée d'un carter (4).
18. Dispositif selon l'une des revendications 6 à 17, caractérisé en ce qu'un dispositif défibreur (5) est placé en amont de la surface collectrice (70).
19. Dispositif selon la revendication 18, caractérisé en ce que le dispositif défibreur (5) est relié à la surface collectrice (70) par un conduit (51) pour fibres, qui débouche sur cette surface en étant essentiellement tangentiel dans le sens du mouvement de la surface collectrice (70) et dont le débouché est adapté à la largeur de la surface collectrice (70).
20. Dispositif selon la revendication 18, caractérisé en ce que le carter (40) du cylindre défibreur (5) et le carter (40') du cylindre (7) sont disposés au voisinage immédiat l'un de l'autre et sont reliés mutuellement par une ouverture (43) de liaison.
21. Dispositif selon la revendication 20, caractérisé en ce que des organes (53, 55) de guidage des fibres sont disposés dans la zone de l'ouverture (43) de liaison.
22. Dispositif selon.une ou plusieurs des revendications 6 à 21, caractérisé en ce qu'un capotage (54) est prévu dans la zone d'extrémité du premier secteur (I).
23. Dispositif selon l'une des revendications 6 à 22, caractérisé en ce qu'un dispositif de nettoyage est associé à la surface collectrice (70).
24. Dispositif selon la revendication 6, caractérisé en ce qu'un organe (90, 91) pneumatique, formateur de torsion, est disposé en aval de la surface collectrice (70) mobile, dans le sens du retrait ou de la délivrance du fil.
EP85905772A 1984-11-13 1985-11-11 Procede de filature a fibres liberees, et dispositif pour sa mise en o euvre Expired EP0236324B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3441495 1984-11-13
DE19843441495 DE3441495A1 (de) 1984-11-13 1984-11-13 Offenend-spinnverfahren und vorrichtung zu seiner durchfuehrung

Publications (2)

Publication Number Publication Date
EP0236324A1 EP0236324A1 (fr) 1987-09-16
EP0236324B1 true EP0236324B1 (fr) 1989-03-15

Family

ID=6250207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85905772A Expired EP0236324B1 (fr) 1984-11-13 1985-11-11 Procede de filature a fibres liberees, et dispositif pour sa mise en o euvre

Country Status (7)

Country Link
US (1) US4718227A (fr)
EP (1) EP0236324B1 (fr)
CN (1) CN1013125B (fr)
CS (1) CS816185A2 (fr)
DE (2) DE3441495A1 (fr)
IN (1) IN166334B (fr)
WO (1) WO1986002957A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007607A1 (de) * 1990-03-09 1991-09-12 Schubert & Salzer Maschinen Spinnverfahren und vorrichtung zur herstellung eines garnes
DE4013689A1 (de) * 1990-04-28 1991-10-31 Fritz Stahlecker Verfahren und vorrichtung zum verspinnen von stapelfasern zu einem garn
DE4018702A1 (de) * 1990-06-12 1992-01-02 Fritz Stahlecker Vorrichtung zum verspinnen von stapelfasern zu einem garn
DE19601038A1 (de) * 1996-01-13 1997-07-17 Fritz Stahlecker Verfahren zum Offenend-Spinnen
DE19601958A1 (de) * 1996-01-20 1997-07-24 Fritz Stahlecker Verfahren zum Offenend-Spinnen

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE900182C (de) * 1944-04-07 1953-12-21 Margarete Liesbet Schlegel Geb Verfahren und Vorrichtung zur Herstellung von spinnfaehigen Faserbaendern und -bahnen
DE1510741A1 (de) * 1964-01-08 1971-07-01 Julius Meimberg Verfahren und Vorrichtung zum Verspinnen von Stapelfasern
FR1490473A (fr) * 1965-10-12 1967-08-04 Dispositif pour la condensation de fibres textiles
GB1231198A (fr) * 1967-09-11 1971-05-12
DE1902111A1 (de) * 1968-01-16 1969-09-04 Cotton Silk & Man Made Fibres Verfahren und Vorrichtung zur Herstellung von Faeden
CA928596A (en) * 1972-07-06 1973-06-19 J. Bobkowicz Andrew Composite yarn forming method and apparatus
US3885772A (en) * 1974-05-15 1975-05-27 Jr Carl E Balkus Nail puller for claw hammer
DE2503919A1 (de) * 1975-01-31 1976-08-05 Konrad Goetzfried Pneumatisches spinnverfahren und vorrichtungen zur garnherstellung
AT340809B (de) * 1976-06-21 1978-01-10 Fehrer Ernst Gmbh Vorrichtung zum spinnen textiler fasern
FR2360695A1 (fr) * 1976-08-04 1978-03-03 Asa Sa Procede et dispositif de filature d'un file de fibres par le procede dit a extremite ouverte
US4209965A (en) * 1976-12-21 1980-07-01 Bobkowicz E Universal spinning system
DE2732678A1 (de) * 1977-07-20 1979-02-01 Barmag Barmer Maschf Spinnverfahren
GB2042599B (en) * 1978-10-26 1983-09-21 Platt Saco Lowell Ltd Open-end spinning apparatus
DE2931593A1 (de) * 1979-08-03 1981-02-19 Bobkowicz E Verfahren und vorrichtung zur herstellung eines garnprodukts
US4479348A (en) * 1981-10-27 1984-10-30 Kabushiki Kaisha Toyoda Jidoshokki Apparatus for spinning fasciated yarn
US4489540A (en) * 1982-01-26 1984-12-25 Asa S.A. Process and device for obtaining a spun yarn of fibres comprising an internal core and novel types of spun yarns thus made
DE3308249A1 (de) * 1983-03-09 1984-09-13 Fritz 7347 Bad Überkingen Stahlecker Oe-friktionsspinnvorrichtung
DE3310114A1 (de) * 1983-03-21 1984-09-27 Albert Böcker GmbH & Co KG, 4712 Werne Transportvorrichtung fuer die abschnitte einer schuttrutsche
DE3402084A1 (de) * 1984-01-21 1985-08-01 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und vorrichtung zur spinnfasernformation
DE3421204C2 (de) * 1984-06-07 1994-02-03 Schlafhorst & Co W Verfahren und Vorrichtung zum Herstellen eines echt gedrehten Fadens

Also Published As

Publication number Publication date
EP0236324A1 (fr) 1987-09-16
DE3441495A1 (de) 1986-05-22
WO1986002957A1 (fr) 1986-05-22
DE3568806D1 (en) 1989-04-20
CS816185A2 (en) 1991-05-14
CN1013125B (zh) 1991-07-10
CN85108991A (zh) 1986-08-20
DE3441495C2 (fr) 1988-09-15
US4718227A (en) 1988-01-12
IN166334B (fr) 1990-04-14

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