EP2927355B1 - Poste de filage d'un métier à filer à jet d'air et embout pour la fixation sur une filière d'un métier à filer à jet d'air - Google Patents

Poste de filage d'un métier à filer à jet d'air et embout pour la fixation sur une filière d'un métier à filer à jet d'air Download PDF

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Publication number
EP2927355B1
EP2927355B1 EP15162424.4A EP15162424A EP2927355B1 EP 2927355 B1 EP2927355 B1 EP 2927355B1 EP 15162424 A EP15162424 A EP 15162424A EP 2927355 B1 EP2927355 B1 EP 2927355B1
Authority
EP
European Patent Office
Prior art keywords
spinning
top frame
channel
spinning nozzle
additive
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.)
Not-in-force
Application number
EP15162424.4A
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German (de)
English (en)
Other versions
EP2927355A3 (fr
EP2927355A2 (fr
Inventor
Andreas Fischer
Gernot SCHÄFFLER
Markus Kübler
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
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP2927355A2 publication Critical patent/EP2927355A2/fr
Publication of EP2927355A3 publication Critical patent/EP2927355A3/fr
Application granted granted Critical
Publication of EP2927355B1 publication Critical patent/EP2927355B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
    • D01H13/306—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting by applying fluids, e.g. steam or oiling liquids

Definitions

  • the present invention relates to a spinning station of an air spinning machine with a spinneret, which serves to produce a yarn from a fiber composite fed to the spinneret, wherein the spinneret has an inlet for the fiber structure, an internal swirl chamber, a Garnsentelement projecting into the swirl chamber and an outlet for in the Inside the vortex chamber produced yarn.
  • an attachment for fixing to a spinneret of an air-spinning machine wherein the spinneret serves to produce a yarn from a fiber composite fed to the spinneret, the spinneret having an inlet for the fiber structure, an internal swirl chamber, a yarn formation element projecting into the swirl chamber, and having an outlet for the yarn produced inside the swirl chamber.
  • Air-jet spinning machines with corresponding spinning stations are known in the art and serve to produce a yarn from an elongate fiber structure.
  • the outer fibers of the fiber composite are wound around the inner core fibers by means of a vortex air flow generated by the air nozzles within the vortex chamber in the region of an inlet mouth of the yarn formation element and finally form the binder fibers which determine the desired strength of the yarn.
  • This creates a yarn with a true rotation, which finally dissipated via a vent channel from the vortex chamber and z.
  • B. can be wound on a sleeve.
  • the term yarn is thus understood to mean a fiber structure in which at least some of the fibers are around an inner fiber Core are twisted.
  • a yarn is included in the traditional sense, which can be processed into a fabric, for example with the aid of a weaving machine.
  • the invention also relates to air spinning machines, with the help of so-called roving (other name: Lunte) can be produced.
  • roving other name: Lunte
  • This type of yarn is characterized by the fact that, despite a certain strength, which is sufficient to transport the yarn to a subsequent textile machine, it is still delayable.
  • the roving can thus with the help of a defaulting device, z.
  • a roving processing textile machine such as a ring spinning machine, are warped before it is finally spun.
  • man-made fibers for example polyesters, or blends of natural and man-made fibers
  • deposits are formed on the surface of the yarn-forming element.
  • man-made fibers involves a so-called preparation of the continuous fibers during the manufacturing process.
  • a spin finish usually oils with various additives, applied to the continuous fibers, which allows a treatment, such as stretching the continuous fibers at high speeds.
  • Some of these preparation agents remain attached to the man-made fibers in the further treatment and lead to impurities in the air-spinning machine.
  • the fibers supplied to the air-spinning machine in the form of a fiber structure are usually supplied to the spinneret through a pair of delivery rollers.
  • the delivery roller pair may correspond to an output roller pair of a drafting system. Used drafting systems serve to refine the submitted fiber structure before entering the spinneret.
  • a fiber guide element is usually arranged, via which the fiber structure is guided into the spinneret and finally into the area of the yarn-forming element.
  • the EP 2 450 478 discloses a device which allows to perform an automatic cleaning without stopping the machine.
  • an additive is added to the compressed air used for the formation of the fluidized air flow within the spinneret.
  • the additive will guided by the compressed air to the Garn Strukturselement and causes a cleaning of the surface of the Garn Struktursiatas.
  • the DE 41 22 216 A1 shows an additive feed via an insert which simultaneously limits the inlet of the spinneret.
  • Another embodiment of a cleaning of the Garn Struktursiatas discloses the JP-2008-095-208 , An additive is also supplied to the compressed air used for the turbulence in the spinneret and passed with this compressed air in the spinneret and thus to the Garn Strukturselement.
  • the dosage and addition of the additive is separately provided for each spinning station in the disclosed embodiment.
  • a disadvantage of the disclosed cleaning systems is that the dosage of the additive generally depends on the compressed air supply of the air nozzles. A dosage independent thereof is thus eliminated.
  • Object of the present invention is therefore to propose a solution that allows a particularly consistent and precisely regulated supply of the spinneret with additive.
  • the spinning station is characterized in that it is associated with an additive supply, which is formed, the spinneret with a To supply additive, wherein the additive supply comprises at least one attachment fixed to the spinneret, via which the provided by an additive supply line of the additive supply additive of the spinneret can be fed.
  • the additive is thus not introduced via the air nozzles of the spinneret as known in the art. Rather, a separate attachment is proposed, via which the spinning station can be supplied independently of the air flowing through the air nozzles compressed air.
  • the essay can be formed in one or more parts and can be subsequently attached to existing spinnerets with appropriate fixing elements.
  • the attachment is connected to a corresponding additive supply line, then the additive, which originates for example from a pressure vessel storing the additive or another additive reservoir, can be fed to the spinneret in the desired dosage, with a corresponding additive outlet of the attachment placed in the region of the inlet of the spinneret is to be able to give up the additive on the entering into the spinneret fiber strand.
  • the additive which originates for example from a pressure vessel storing the additive or another additive reservoir, can be fed to the spinneret in the desired dosage, with a corresponding additive outlet of the attachment placed in the region of the inlet of the spinneret is to be able to give up the additive on the entering into the spinneret fiber strand.
  • the attachment is detachably fixed, for example by means of at least one clip connection, to the spinneret.
  • the attachment can easily be removed from the spinneret in this case and replaced by another attachment.
  • different attachments may be used to adjust the amount of additive dispensed through the attachment to the particular conditions.
  • the attachment can be done for example by one or more positive elements, so that the article only has to be pressed against the spinneret during its fixation and is finally held by a snap or clip connection.
  • a non-detachable connection for example by gluing, between essay and spinneret or their housing conceivable.
  • the attachment is at least partially made of a plastic.
  • the essay has a high resistance to various additives used (as additives, liquid or solid substances, or mixtures thereof, serve, with water or an aqueous solution is preferred).
  • additives liquid or solid substances, or mixtures thereof, serve, with water or an aqueous solution is preferred.
  • the article can also have one or more coatings in order to increase the surface quality.
  • the article can also be made of a metal or formed in several parts, wherein the individual components are made of different materials and / or can be releasably connected to each other.
  • the attachment has at least one, preferably internal, channel with a channel inlet in fluid communication with the additive supply line and a channel outlet in fluid communication with the spinneret.
  • the attachment thus forms a channel wall which at least partially surrounds the channel.
  • the attachment can also have a recess arranged in the region of one of its surfaces, which form part of a channel.
  • the second part of the channel can in this case be formed by a surface section of the spinneret, against which the attachment abuts (for example via an intermediate seal) such that the attachment and the spinneret together form the actual channel.
  • the channel inlet can have a connection region, for example in the form of a connecting piece, to which the said additive settlement line can be connected.
  • the channel outlet is arranged in the region of the inlet of the spinneret. In this way, the additive leaving the attachment via the channel outlet can be applied directly to the fiber structure entering the spinneret.
  • the channel outlet is also preferably located in a ring or partial ring section forming the inlet or surrounding it, so that the additive can be applied thereto perpendicularly or obliquely to the transport direction of the fiber composite. Depending on the amount of additive to be added, this eventually serves for cleaning the yarn-forming element or the improvement of said properties of the yarn produced from the fiber structure.
  • the channel outlet is arranged in the region of a fiber guide element arranged in the region of the inlet of the spinneret, so that the additive flowing through the channel in the region of the fiber guide element can be brought into contact with the fiber structure introduced into the spinneret via the fiber guide element is.
  • the fiber guiding element serves to guide the fiber structure when entering the spinneret and preferably surrounds it in a circumferential direction running perpendicular to the transport direction.
  • the duct outlet of the attachment can be arranged in the region of an end face of the fiber guiding element which points outwards relative to the swirl chamber, it is likewise conceivable for the duct outlet to open into a throughflow channel formed by the fiber guiding element, which passes through the fiber structure as it enters the spinneret.
  • the attachment has an end section which encloses the channel outlet, by means of which it is fixed in the region of the fiber guide element, preferably on the fiber guide element itself.
  • the end portion may be formed one or more parts and held positively and / or non-positively on the fiber guide element.
  • the end portion is plugged or clipped onto an annular outer circumference of the fiber guide element.
  • the end portion is at least partially annular and is fixed, preferably form-fitting, to a holding portion.
  • the end portion is for example releasably connected to the holding portion, wherein the holding portion is part of the fiber guiding element or part of the attachment, or wherein the holding portion as a separate section of the spinneret, for example, the housing is present.
  • the end portion of the holding section surrounds and is positively or non-positively connected thereto.
  • the holding portion is at least partially annular.
  • the holding section surrounds the fiber guide element on its outer circumference and is thereby attached to this.
  • the holding section can form together with the fiber guide element the inlet channel of the spinneret over which the fiber structure enters the vortex chamber.
  • the holding portion further comprises grooves or outwardly directed bulges, via which it is releasably connected to the rest of the spinneret or the attachment or a portion thereof, wherein the holding portion in the latter case may itself be part of the attachment.
  • the holding section at least partially surrounds or is formed by the fiber guiding element. While the holding section may be penetrated by the fiber guiding element in the first case, in the second case the fiber guiding element has fastening elements, for example, via which the attachment can be fastened to the fiber guiding element.
  • the holding portion is part of the attachment, wherein the holding portion with a main body of the essay, preferably releasably connected, and in particular, at least partially, consists of a different material than the essay.
  • the basic body from a plastic and the holding section from a different material, which is particularly resistant to abrasion, since the holding section primarily comes into contact with the fiber structure.
  • the holding section has a channel section which opens into the inlet of the spinneret. If the holding section is part of the attachment, then the channel outlet of the attachment is located in the region of the holding section. On the other hand, if the attachment is separate from the holding section Component ago, so forms the channel portion of the essay together with the channel portion of the holding portion of the actual channel, which must be passed by the additive after entering the essay before it exits via the channel outlet and meets the fiber structure.
  • the channel section of the holding section is directed against the transport direction of the fiber strand introduced into the spinneret.
  • the channel section of the holding section may enclose an angle with the transport direction which lies between 20 ° and 80 °, preferably between 30 ° and 70 °.
  • the additive is deflected in this case when leaving the channel section and transported by the fiber structure in the vortex chamber.
  • the attachment is at least partially fixed to a spinning air inlet element of the spinneret.
  • the spinning-air inlet element is designed, for example, as a connecting piece, via which an air-sealing line is connected to the spinneret and via which the compressed air necessary for the swirl distribution within the swirl chamber can flow into the spinneret.
  • the attachment has an opening or other space with which it is inserted over the neck or attached to this and is finally held in a form-fitting manner.
  • the channel of the attachment has, at least in sections, a curved or kinked course within the attachment.
  • the channel and / or attachment may extend from a side portion of the spinneret to an inlet portion of the front portion thereof.
  • the channel would initially run counter to the transport direction of the fiber composite and then in the direction of the inlet.
  • a bent or kinked course of the channel and / or the attachment allows a supply of the additive at a location which from the channel outlet of the essay or of Inlet of the spinneret is spaced.
  • the attachment for a spinneret comprises at least one, preferably internal, channel with a channel inlet and a channel outlet, via which an additive provided by an additive supply line can be fed to the spinneret after the attachment has been fixed to the spinneret.
  • an additive supply line can be fed to the spinneret after the attachment has been fixed to the spinneret.
  • the features can be implemented individually or in any combination, as far as the features are not in conflict with each other.
  • the attachment in the region of the channel inlet should have a connection section, for example a connection, via which it can be connected to an additive supply line.
  • the attachment according to the invention for a spinneret is provided with a color coding due to the diameter ratios of the inner channel, respectively of the channel inlet and / or the channel outlet.
  • a unique identifier may be provided at a certain point of the essay or the article itself be made in a particular color. Due to the colored marking of various attachments, which can be used for different applications, a confusion is ruled out.
  • the volume or mass flow of an additive to be metered can be changed by using different types of attachments in its area or by the type of feed.
  • the attachment has an end section which comprises the channel outlet, wherein the end section is preferably at least partially annular, and wherein the end section comprises a holding section which is non-positively and / or positively in the region of the inlet of the spinneret on the Spinneret is fixable.
  • the holding section can be fixed to a fiber guiding element of the spinneret be.
  • the channel of the attachment within the attachment at least partially has a bent or bent course, since in this way the additive can be transported, for example, from a side region of the spinneret into the region of its inlet.
  • FIG. 1 shows a section of a spinning unit according to the invention an air-spinning machine (the air-spinning machine of course, a plurality of, preferably adjacent to each other, can have spinning stations).
  • the air-spinning machine may comprise a drafting system comprising a plurality of drafting rollers 29, which is supplied with a fiber structure 3, for example in the form of a relined conveyor belt.
  • the spinning station shown comprises a spinneret 1 with an internal swirl chamber 5, in which the fiber structure 3 or at least a part of the fibers of the fiber composite 3 after passing through an inlet 4 of the spinneret 1 is provided with a rotation (the exact Mode of action of the spinning station will be described in more detail below).
  • the air-spinning machine may include a pair of take-off rollers (not shown) downstream of the spinneret 1 and a winding device downstream of the take-off roller pair (also not shown) with a sleeve for winding up the yarn 2 leaving the spinning station.
  • the spinning station according to the invention need not necessarily have a drafting system. Also, the pair of take-off rollers is not absolutely necessary.
  • the spinning station shown generally works by an air spinning process.
  • the fiber structure 3 is guided into the swirl chamber 5 of the spinneret 1 in a transport direction T via a fiber guide element 18 provided with an inlet opening forming said inlet 4. There it receives a rotation, d. H.
  • At least a portion of the free fiber ends of the fiber composite 3 is detected by a vortex air flow, which is generated by appropriately arranged in a vortex chamber 5 surrounding Wirbelhuntwandung air nozzles 22 (wherein the air nozzles 22 are supplied, for example via an air distributor 23 with compressed air, via an air supply line 25 flows into the air distributor 23).
  • a part of the fibers is in this case pulled out of the fiber structure 3 at least a little bit and wound around the tip of a projecting into the swirl chamber 5 Garnsentelements 6.
  • the yarn 2 produced can basically be any fiber structure 3, which is characterized in that an external part of the fibers (so-called capillary fibers) around an inner, preferably untwisted or if necessary also rotated Part of the fibers, is wrapped around to give the yarn 2, the desired strength.
  • an air-spinning machine with the aid of which so-called roving can be produced.
  • Roving is a yarn 2 with a relatively small proportion of wraparound fibers, or a yarn 2 in which the wraparound fibers are wound relatively loosely around the inner core, so that the yarn 2 remains deformable. This is crucial if the produced yarn 2 on a subsequent textile machine (for example, a ring spinning machine) should be distorted again with the help of a drafting system or must, in order to be further processed accordingly.
  • the individual air nozzles 22 are arranged in this case rotationally symmetrical to one another and open tangentially into the swirl chamber 5.
  • the spinning station is now associated with an additive supply 8 which comprises one or more additive stores 28 and one or more, preferably at least partially flexible, additive supply lines 14 via which the respective additive store 28 (eg a pressure vessel filled with additive 9 and compressed air). arranged with a in the region of the spinneret 1 Additive delivery 30 is in fluid communication (with regard to possible additives 9, reference is made to the previous description).
  • an additive supply 8 which comprises one or more additive stores 28 and one or more, preferably at least partially flexible, additive supply lines 14 via which the respective additive store 28 (eg a pressure vessel filled with additive 9 and compressed air).
  • Additive delivery 30 is in fluid communication (with regard to possible additives 9, reference is made to the previous description).
  • the additive delivery 30 is in the region of the inlet 4 of the spinneret 1 (so that the additive 9 can be applied to the fiber structure 3), wherein the additive delivery 30 according to the invention by a in the FIGS. 2 to 5 Attachment 10 is shown, which will be explained in more detail later.
  • the additive supply 8 furthermore comprises at least one controllable valve 27, which is preferably integrated into the corresponding additive supply line 14 and thus flows through the additive 9.
  • FIG. 2 now shows a first possible embodiment of an invention used in the essay 10.
  • the article 10 has a channel inlet 13, via the additive 9 via an additive supply line 14, not shown, (which is connected to the attachment 10) in a running inside the attachment 10 channel 12 can occur (see FIGS. 4 and 5 ).
  • the additive 9 finally flows into the region of the inlet 4 of the spinneret 1 and is there discharged onto the fiber structure 3, which enters the spinneret 1 in the transport direction T shown.
  • the attachment 10 and also the channel 12 can have a bent or bent profile, so that the channel inlet 13 can be located on a side surface of the spinneret 1, while the dispensing of the additive 9 can take place in the region of a front side having the inlet 4.
  • FIG. 2 is the article 10 on the fiber guide element 18 and is glued to the spinneret 1, for example, or positively connected.
  • the attachment 10 may have an opening through which it is held on a spinning air inlet element 15 (see FIG. 3 ), wherein the spinning air inlet element 15 is connected, for example, to a compressed air line (not shown) via which the air nozzles 22 are supplied with compressed air.
  • FIG. 4 shows a section through a section of a spinneret 1 and a releasably connected thereto essay 10.
  • the attachment 10 has a, z. B. partially annular, end portion 19, via which it is connected by a clip connection 11 with the fiber guide element 18.
  • the channel 12 extending inside the attachment 10 has a channel outlet 17 which adjoins an inlet channel 31 of the fiber guiding element 18 so that the additive 9 can finally be applied to the fiber structure 3 inside the fiber guiding element 18.
  • An adjustment of a metering range can also be carried out via different size ratios or shapes of the inner channel 12, respectively of the channel inlet 13 or the channel outlet 17.
  • the spinneret 1 or the attachment 10 a in FIG. 5 shown holding portion 20 which is attached to a housing of the spinneret 1 or the fiber guide element 18, for example, positively and / or non-positively, wherein the holding portion 20 is in turn connected to a base body 16 of the attachment 10.
  • the compound can also be solved in this case, z. B. by means of a clip connection 11, take place.
  • the holding portion 20 which may be annular, for example, has a channel portion 21 which forms an extension of the extending in the base body 16 of the attachment 10 sub-channel.
  • the channel 12 to be passed by the additive 9 is composed of the subchannel of the main body 16 and the channel section 21 of FIG Holding portion 20 together, wherein the channel outlet 17 is in the region of the holding portion 20.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (15)

  1. Poste de filage d'un métier à filer à jet d'air
    - avec une filière de filage (1) qui sert à la fabrication d'un fil (2) à partir d'un ensemble de fibres (3) délivré à la filière de filage (1),
    - dans lequel la filière de filage (1) comporte une admission (4) pour l'ensemble de fibres (3),
    - un élément de guidage de fibres (18) avec un orifice d'admission formant ladite admission (4),
    - une chambre de turbulence intérieure (5),
    - des buses d'air (22) pour générer un écoulement d'air tourbillonnaire, qui sont disposées dans une paroi de chambre de turbulence entourant la chambre de turbulence (5),
    - un élément de formation de fil (6) faisant saillie dans la chambre de turbulence (5),
    - un canal d'extraction (24) disposé à l'intérieur de l'élément de formation de fil (6), ainsi que
    - une sortie (7) pour le fil (2) produit à l'intérieur de la chambre de turbulence (5),
    - dans lequel une alimentation en additif (8) est attribuée au poste de filage, laquelle se présente sous une forme pour alimenter la filière de filage (1) avec un additif (9) indépendamment d'un air comprimé pénétrant via les buses d'air (22) de la filière de filage (1),
    - dans lequel alimentation en additif (8) comporte au moins une couronne (10) fixée sur la filière de filage (1), par laquelle l'additif (9) fourni par une conduite d'alimentation (14) en additif de l'alimentation en additif (8) peut être délivré à la filière de filage (1),
    caractérisé en ce que
    la couronne (10) présente au moins un canal (12) avec une entrée de canal (13) qui est en relation fluidique avec la conduite d'alimentation (14) en additif et une sortie de canal (17) qui est en relation fluidique avec la filière de filage (1), sachant que la sortie de canal (17) est disposée dans la zone de l'admission (4) de la filière de filage (1) de sorte que l'additif (9) sortant de la couronne (10) via la sortie de canal (17) puisse être appliqué directement sur l'ensemble de fibres (3) pénétrant dans la filière de filage.
  2. Poste de filage selon la revendication précédente, caractérisé en ce que la couronne (10) est fixée de manière dissociable, par exemple à l'aide d'au moins une liaison à clipsage (11), sur la filière de filage (1).
  3. Poste de filage selon l'une des revendications précédentes, caractérisé en ce que la couronne (10) est fabriquée au moins partiellement en une matière plastique.
  4. Poste de filage selon l'une des revendications précédentes, caractérisé en ce que le canal (12) est formé intérieurement par rapport à la couronne (10).
  5. Poste de filage selon la revendication 4, caractérisé en ce que la sortie (17) de canal est disposée dans la zone d'un élément de guidage de fibres (18) disposé dans la zone de l'admission (4) de la filière de filage (1), de sorte que l'additif (9) parcourant le canal (12), dans la zone de l'élément de guidage de fibres (18) puisse être mis en contact avec l'ensemble de fibres (3) introduit dans la filière de filage (1) via l'élément de guidage de fibres (18).
  6. Poste de filage selon la revendication précédente, caractérisé en ce que la couronne (10) comporte une section d'extrémité (19) comprenant la sortie (17) de canal, par laquelle elle est fixée dans la zone de l'élément de guidage de fibres (18), de préférence sur l'élément de guidage de fibres (18).
  7. Poste de filage selon la revendication précédente, caractérisé en ce que la section d'extrémité (19) se présente au moins partiellement sous une forme annulaire et est fixée, de préférence par complémentarité de forme, sur une section de retenue (20), sachant que la section de retenue (20) se présente de préférence, au moins partiellement, sous une forme annulaire.
  8. Poste de filage selon la revendication 7, caractérisé en ce que la section de retenue (20) entoure au moins partiellement l'élément de guidage de fibres (18) ou est formée par ce dernier.
  9. Poste de filage selon la revendication 7 ou 8, caractérisé en ce que la section de retenue (20) est une partie constitutive de la couronne (10), sachant que la section de retenue (20) est reliée, de préférence de manière dissociable, avec un corps de base (16) de la couronne (10), et en particulier, se compose au moins partiellement d'un matériau différent de celui de la couronne (10).
  10. Poste de filage selon l'une des revendications 7 à 9, caractérisé en ce que la section de retenue (20) présente une section de canal (21) qui débouche dans l'admission (4) de la filière de filage (1), la section de canal (21) de la section de retenue (20) étant orientée de préférence dans un sens opposé à un sens de transport (T) de l'ensemble de fibres (3) introduit dans la filière de filage (1).
  11. Poste de filage selon l'une des revendications précédentes, caractérisé en ce que la couronne (10) est fixée au moins partiellement sur un élément d'admission d'air de filage (15) de la filière de filage (1).
  12. Poste de filage selon l'une des revendications 4 à 11, caractérisé en ce que le canal (12) de la couronne (10) présente au sein de la couronne (10), au moins en certaines sections, une allure curviligne ou coudée.
  13. Couronne pour la fixation sur une filière de filage (1) d'un métier à filer à jet d'air,
    - dans laquelle la filière de filage (1) sert à la fabrication d'un fil (2) à partir d'un ensemble de fibres (3) délivré à la filière de filage (1),
    - dans lequel la filière de filage (1) comporte une admission (4) pour l'ensemble de fibres (3),
    - une chambre de turbulence intérieure (5),
    - un élément de formation de fil (6) faisant saillie dans la chambre de turbulence (5) ainsi que
    - une sortie (7) pour le fil (2) produit à l'intérieur de la chambre de turbulence (5),
    la couronne (10) comportant au moins un canal (12), disposé de préférence à l'intérieur, avec une entrée de canal (13) et une sortie de canal (17), par l'intermédiaire duquel un additif (9) délivré par une conduite d'alimentation (14) en additif peut être délivré à la filière de filage (1) après la fixation de la couronne (10) sur la filière de filage (1),
    caractérisée en ce que
    la couronne (10) comporte une section d'extrémité (19) comprenant la sortie de canal (17), la section d'extrémité (19) comportant une section de retenue (20) qui peut être fixée sur la filière de filage (1) par complémentarité de forme et/ou de force dans la zone de l'admission (4) de la filière de filage (1).
  14. Couronne selon la revendication précédente, caractérisée en ce que la section d'extrémité (19) se présente au moins partiellement sous une forme annulaire, sachant que la section de retenue (20) peut être fixée par complémentarité de forme sur la filière de filage (1).
  15. Couronne selon la revendication 13 ou 14, caractérisée en ce que le canal (12) de la couronne (10) présente au sein de la couronne (10), au moins en certaines sections, une allure curviligne ou coudée.
EP15162424.4A 2014-04-03 2015-04-02 Poste de filage d'un métier à filer à jet d'air et embout pour la fixation sur une filière d'un métier à filer à jet d'air Not-in-force EP2927355B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00523/14A CH709467A1 (de) 2014-04-03 2014-04-03 Spinnstelle einer Luftspinnmaschine sowie Aufsatz für die Fixierung an einer Spinndüse einer Luftspinnmaschine.

Publications (3)

Publication Number Publication Date
EP2927355A2 EP2927355A2 (fr) 2015-10-07
EP2927355A3 EP2927355A3 (fr) 2015-11-04
EP2927355B1 true EP2927355B1 (fr) 2018-12-26

Family

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Application Number Title Priority Date Filing Date
EP15162424.4A Not-in-force EP2927355B1 (fr) 2014-04-03 2015-04-02 Poste de filage d'un métier à filer à jet d'air et embout pour la fixation sur une filière d'un métier à filer à jet d'air

Country Status (5)

Country Link
US (1) US9890476B2 (fr)
EP (1) EP2927355B1 (fr)
JP (1) JP6514933B2 (fr)
CN (1) CN104975381B (fr)
CH (1) CH709467A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH709748A1 (de) * 2014-06-12 2015-12-15 Rieter Ag Maschf Luftspinnmaschine sowie Verfahren zum Betrieb einer solchen.
CH709749A1 (de) * 2014-06-12 2015-12-15 Rieter Ag Maschf Luftspinnmaschine sowie Verfahren zum Betrieb einer solchen.
CH709953A1 (de) * 2014-07-30 2016-02-15 Rieter Ag Maschf Verfahren zum Betrieb einer Luftspinnmaschine.
DE102015120437A1 (de) * 2015-11-25 2017-06-01 Maschinenfabrik Rieter Ag Luftspinnmaschine sowie Verfahren zum Betrieb derselben
CH712409A1 (de) * 2016-04-29 2017-10-31 Rieter Ag Maschf Luftspinnmaschine sowie Verfahren zur Herstellung eines Garns.
CH712663A1 (de) * 2016-07-14 2018-01-15 Rieter Ag Maschf Verfahren zum Verarbeiten eines strangförmigen Faserverbands sowie Vorspinnmaschine.
JP2018178298A (ja) * 2017-04-11 2018-11-15 村田機械株式会社 紡績機
DE102019103271A1 (de) * 2019-02-11 2020-08-13 Maschinenfabrik Rieter Ag Spinndüse für eine Luftspinnmaschine sowie Verfahren zum Öffnen einer solchen
US11598027B2 (en) 2019-12-18 2023-03-07 Patrick Yarn Mills, Inc. Methods and systems for forming a composite yarn

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Publication number Priority date Publication date Assignee Title
JPH0465535A (ja) * 1990-07-04 1992-03-02 Murata Mach Ltd 紡績装置
JPH0456770U (fr) * 1990-09-18 1992-05-15
FR2704005B1 (fr) * 1993-04-16 1996-02-02 Vanhelle Michel Procede et dispositif pour le filage des files de fibres.
DE60009402T2 (de) * 1999-07-28 2005-03-10 Murata Kikai K.K. Spinnvorrichtung und Spinnverfahren
JP4911295B2 (ja) * 2006-10-06 2012-04-04 村田機械株式会社 空気紡績装置
JP2009242972A (ja) * 2008-03-31 2009-10-22 Murata Mach Ltd 紡績装置
JP2011084854A (ja) * 2009-09-18 2011-04-28 Murata Machinery Ltd 紡績機
JP2012097391A (ja) 2010-11-05 2012-05-24 Murata Mach Ltd 紡績機
DE102012100674A1 (de) * 2012-01-27 2013-08-01 Maschinenfabrik Rieter Ag Luftspinnmaschine mit einem Reinigungsorgan sowie Verfahren zum Reinigen der Wirbelkammer einer Luftspinnmaschine
EP2767625B1 (fr) * 2013-02-13 2017-01-11 Maschinenfabrik Rieter Ag Poste de filage d'un métier à filer

Non-Patent Citations (1)

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None *

Also Published As

Publication number Publication date
EP2927355A3 (fr) 2015-11-04
CN104975381B (zh) 2019-10-18
US20150284878A1 (en) 2015-10-08
CN104975381A (zh) 2015-10-14
JP6514933B2 (ja) 2019-05-15
US9890476B2 (en) 2018-02-13
EP2927355A2 (fr) 2015-10-07
CH709467A1 (de) 2015-10-15
JP2015200054A (ja) 2015-11-12

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