EP3358052B1 - Dispositif permettant l'entrelacement d'une pluralité de filaments individuels d'un fil composite - Google Patents

Dispositif permettant l'entrelacement d'une pluralité de filaments individuels d'un fil composite Download PDF

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Publication number
EP3358052B1
EP3358052B1 EP18153814.1A EP18153814A EP3358052B1 EP 3358052 B1 EP3358052 B1 EP 3358052B1 EP 18153814 A EP18153814 A EP 18153814A EP 3358052 B1 EP3358052 B1 EP 3358052B1
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EP
European Patent Office
Prior art keywords
support
thread
guide
thread guide
nozzles
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
EP18153814.1A
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German (de)
English (en)
Other versions
EP3358052A1 (fr
Inventor
Christian Hubert
Ludger Legge
Jan Westphal
Eike Holle
Mathias STÜNDL
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile 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.)
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Publication date
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Publication of EP3358052A1 publication Critical patent/EP3358052A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
    • D01D10/0481—Supporting filaments or the like during their treatment while in continuous movement the filaments passing through a tube
    • 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
    • D01D11/00—Other features of manufacture
    • D01D11/04—Fixed guides
    • 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
    • D01D13/00—Complete machines for producing artificial threads
    • D01D13/02—Elements of machines in combination
    • 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
    • D01D5/08—Melt spinning methods
    • 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
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams

Definitions

  • the invention relates to a device for intermingling several individual threads of a composite thread according to the preamble of claim 1.
  • intermingling nozzles are held next to one another in a row-shaped arrangement in order to intermingle the individual threads of a composite thread independently of one another.
  • the intermingling nozzles are supplied separately from each other with a controllable compressed air flow, so that an individual intermingling of the individual threads is possible on each of the intermingling nozzles. In this way, different color effects can be realized in the composite thread, which leads to a mixed color or multi-color on the composite thread.
  • Another object of the invention is to design the generic device in such a way that gentle thread treatment is possible.
  • This object is achieved according to the invention in that at least one thread guide is assigned to the intermingling nozzles on the carrier in such a way that the individual threads can optionally be guided in the intermingling nozzles and / or in the thread guide.
  • the invention is based on the knowledge that the individual threads in the melt spinning process are preferably guided in a composite on the circumference of godets before they arrive together in the texturing nozzle for crimping. Due to the thread guide held on the carrier, it is therefore possible to jointly guide the individual threads in the composite without swirling to the crimp. Alternatively, however, it is also possible to distribute all or some of the individual threads onto the interlacing nozzles in order to obtain further color effects. It is essential here that in the thread guide guided single threads can be guided without a deflection in the thread path between a godet and a texturing nozzle.
  • the development of the invention is preferably carried out in which the thread guide is held on the carrier at a constant distance from the intermingling nozzles. In this way, an equally large deflection in the thread path can be generated on each of the individual threads.
  • This measure can be further improved in that the swirling nozzles form a pitch circle around the thread guide and in which the swirling nozzles are arranged on the pitch circle with a uniform division. In this way, in particular, the reproducibility of certain mixing effects generated by the intermingling of the individual threads can be guaranteed. In addition to an identical deflection of the individual threads, the bringing together of the individual threads when entering a texturing nozzle can also be made more uniform.
  • the thread guide is formed by a U-shaped guide body, which is arranged on a groove base of a guide groove penetrating the end face of the carrier.
  • the guide body held on the carrier is particularly suitable due to the appropriate choice of material so that it does not wear out when the individual threads come into contact.
  • the guide groove formed on the carrier ensures even with contactless guidance a separation between the individual threads in the case of a partial separation of the composite thread.
  • the further development according to the invention is particularly advantageous in which at least one of the intermingling nozzles is formed by an insert body which is held in a receiving opening of the carrier.
  • the swirling nozzles can be held on the carrier with a small pitch.
  • the development is preferably carried out in which the carrier is plate-shaped and has an insertion slot which is open towards an end face or towards the guide groove and opens laterally into the receiving opening, the receiving opening and the insertion slot removing the carrier from one Penetrate top to bottom.
  • the insertion slot can penetrate the carrier at any point and with any course, so that thread guidance at the start of the process is possible with a suction gun.
  • an inlet bore is formed within the carrier, which extends between the receiving opening and a compressed air connection formed on a remote end face of the carrier.
  • the insert body can thus be advantageously combined with the compressed air connection and the insertion slot.
  • each Whirling nozzle has separate receiving openings, separate insertion slots and separate inlet channels with separate compressed air connections. This means that each swirl nozzle has to be acted upon independently by a stream of compressed air.
  • the insert body is preferably formed from a wear-resistant material, with the insert body having a continuous guide channel for guiding one of the individual threads, said guide channel being connected via a longitudinal slot to the insertion slot in the carrier and via a transverse slot to the inlet channel in the carrier.
  • this allows the thread to be inserted into the guide channel in a simple manner. In operation, a continuous flow of compressed air can be generated across the cross slot to the guide channel for swirling the single thread.
  • the carrier has a projecting support arm which has a spaced-apart auxiliary thread guide to the thread guide, through which the threads can be guided in an intermediate parked position when the thread is put on.
  • the device according to the invention for intermingling a plurality of individual threads of a composite thread is described in more detail below using an exemplary embodiment.
  • a melt spinning process for the production of a crimped yarn is shown schematically, in which the device according to the invention for interlacing several individual threads is used.
  • the melt spinning process has a spinning device 1 which is connected to a plurality of melt generators, not shown here.
  • the spinning device 1 has a heated spinning beam 2, which carries several spinnerets 3.1 to 3.3 next to one another.
  • the spinnerets 3.1 to 3.3 each have a plurality of nozzle bores on their undersides, through which the spinnerets 3.1 to 3.3 each extrude a filament sheet from a polymer melt.
  • a cooling device 4 is provided, through which the extruded filaments are cooled. After the filaments have cooled, they are each brought together into a single thread 6.1 to 6.3 by the thread guides 5.
  • a godet stretching device 9 which has a plurality of driven godets 9.1.
  • the individual threads 6.1 to 6.3 are previously swirled individually by a pre-swirling device 8 through a plurality of pre-swirling nozzles 8.1 to 8.3.
  • the individual threads 6.1 to 6.3 are brought together to form a composite thread and guided with several wraps around the circumference of the godets 9.1 of the godet stretching device 9.
  • the individual threads 6.1, 6.2 and 6.3 After the individual threads 6.1, 6.2 and 6.3 have been drawn off and drawn by the godet stretching device 9, the individual threads 6.1, 6.2 and 6.3 are optionally separated and swirled by a crimping device 11 immediately before crimping.
  • the interlacing device 10 according to the invention is arranged in the course of the thread between the godet stretching device 9 and the crimping device 11.
  • the swirling device 10 contains a plurality of swirling nozzles, which are described in more detail below.
  • the crimping device 11 is formed by a stuffer box crimping device which has a delivery nozzle and a stuffer box.
  • the individual threads 6.1, 6.2 and 6.3 are upset together by a hot medium to a thread plug 16.
  • the thread plug 16 is then cooled on the circumference of a cooling drum 12 and dissolved into the composite thread 7.
  • the crimped composite thread 7 is then drawn off from the circumference of the cooling drum 12 by a take-off godet unit 13, the thread plug 16 being released.
  • the composite thread is wound into a bobbin 17 by a winding device 15.
  • the composite thread wound on the spool 17 thus represents a crimped carpet yarn which can be used directly for the production of carpets.
  • carpet yarns have a predetermined visual appearance, which is characterized by the colors of the individual threads.
  • FIG. 2 is a top view
  • Fig. 3 a front view
  • Fig. 4.1 and 4.2 each show a cross-sectional view of the embodiment.
  • the exemplary embodiment has a plate-shaped carrier 10.1.
  • the plate-shaped carrier 10.1 holds a total of three swirling nozzles 10.2, 10.3 and 10.4, which are arranged on a pitch circle 10.6 with a uniform angular division.
  • a thread guide 10.5 is held on the carrier 10.1 in the center of the pitch circle 10.6.
  • a guide groove 10.7 is assigned to the thread guide 10.5 and penetrates the carrier 10.1 from a front end face 10.8.
  • a plurality of insertion slots 10.10, 10.11 and 10.12 are assigned to the swirling nozzles 10.2 to 10.4 integrated on the carrier 10.1.
  • the insertion slots 10.10 to 10.12 penetrate the carrier 10.1, the insertion slots 10.10 and 10.12 opening to the front end face 10.8 of the carrier and the insertion slot 10.11 of the swirling nozzle 10.3 opening into the guide groove 10.7.
  • Fig. 4.1 is a cross-sectional view of the swirl nozzle 10.2 in the area of the compressed air supply and in Fig. 4.2 the cross-sectional view of the swirling nozzle 10.2 is shown in the area of the insertion slot 10.10.
  • the swirling nozzle 10.2 is formed by an insert body 10.22, which is held in a receiving opening 10.25 of the carrier 10.1.
  • the receiving opening 10.25 and the insert body 10.22 extend from a top 10.13 of the carrier 10.1 and a bottom 10.14 of the carrier 10.1.
  • a guide channel 10.29 is preferably formed centrally in the insert body 10.2.
  • the guide channel 10.29 penetrates the insert body 10.22 and forms a thread inlet 10.30 on the top 10.13 and a thread outlet 10.31 on the bottom 10.14.
  • a compressed air connection 10.15 is formed on a rear end face 10.9 of the carrier 10.1 and is connected to the receiving opening 10.25 via an inlet bore 10.18.
  • a fluid tube between the receiving opening 10.25 and in the mouth end of the inlet bore 10.18 10.26 provided, in which a transverse slot 10.24 of the insert body 10.22 opens.
  • the transverse slot 10.24 penetrates the wall of the insert body 10.22 and connects the guide channel 10.29 to the compressed air connection 10.15.
  • a longitudinal slot 10.23 is formed offset from the transverse slot 10.24 on insert body 10.22.
  • the longitudinal slot 10.23 penetrates the wall of the insert body 10.22 from the top 10.13 to the bottom 10.14 and connects the guide channel 10.29 with the insertion slot 10.10 on the carrier 10.1.
  • the insertion slot 10.10 penetrates the carrier 10.1 from a front end face 10.8 to the receiving opening 10.25.
  • a thread can be threaded into the guide channel 10.29 from the outside via the insertion slot 10.10 and the longitudinal slot 10.23.
  • each swirling nozzle 10.2 to 10.4 separate receiving openings 10.25, separate insertion slots 10.10 to 10.12 and separate inlet bores 10.18 to 10.20 with separate compressed air connections 10.15 to 10.17.
  • each of the intermingling nozzles 10.2 to 10.4 held on the carrier 10 can be used individually in order to intermingle individual threads.
  • the insert bodies 10.22 are preferably made of a wear-resistant material, for example a ceramic or a hard metal, and have a cylindrical shape.
  • the thread guide 5 formed in the center of the pitch circle 10.6 is formed by a cylindrical guide body 10.21 which is U-shaped Has opening in the region of the guide groove 10.7.
  • the guide body 10.21 is also held in a receiving opening 10.25 of the carrier 10.1.
  • the guide body 10.21 is also made of a wear-resistant material, for example a ceramic or a hard metal.
  • FIG. 2 illustrated embodiment of the device according to the invention can be operated in different ways.
  • intermingling a number of three individual threads separately in the three intermingling nozzles 10.2, 10.3 and 10.4. Due to the geometrical arrangement of the intermingling nozzles 10.2, 10.3 and 10.4 on a pitch circle with an equally large pitch, each individual thread is deflected evenly from a central guide position.
  • the central leadership position is essentially determined by the composite thread, which is formed jointly from the individual threads and is guided on the circumference of a godet before entry.
  • the composite thread can pass through the carrier 10.1 without deflection in the straight thread path and can be immersed in the crimping device.
  • the non-swirled threads are guided in the thread guide 10.5.
  • the single thread or threads that are swirled are passed through one or more of the swirling nozzles 10.2 to 10.4.
  • the color of the composite thread can also be influenced by changing the amount and regularity of the compressed air flow supplied to each swirling nozzle 10.2 to 10.4. Pressure fluctuations or pulsating compressed air flows can be used to create special color effects in the composite thread.
  • the device according to the invention for interlacing single threads of a composite thread offers a very high degree of flexibility in the execution of the interlacing.
  • the number of intermingling nozzles and the number of thread guides on the carrier 10.1 are exemplary. In this way, more than three swirling nozzles can also be integrated in the carrier 10.1 in the same way. In addition, with a larger number of individual threads, several thread guides can also be provided on the carrier 10.1.
  • FIG. 5 Another embodiment of a swirling device according to the invention is shown in a plan view. This embodiment is essentially identical to the previous embodiment, so that only the differences are explained here.
  • the carrier 10.1 has a projecting carrier arm 10.27 on the front face 10.8.
  • the carrier arm 10.27 is L-shaped and has an auxiliary thread guide 10.28 opposite the thread guide 10.5.
  • the auxiliary thread guide 10.28 is U-shaped with an opening opposite the thread guide 10.5.
  • the auxiliary thread guide 10.28 is preferably formed by a guide insert which is held on the carrier arm 10.27.
  • the illustrated embodiment is particularly suitable for holding the family of threads in one position when the individual threads are put on.
  • melt spinning processes of this type in which the composite threads are produced in parallel and in which the composite threads are applied to the process units of the melt spinning device one after the other.
  • An uncritical intermediate parking of a composite thread by the auxiliary thread guide 10.28 on the carrier 10.1 is thus possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (10)

  1. Dispositif destiné à entrelacer plusieurs fils individuels (6.1, 6.2, 6.3) d'un fil composite (7) dans un procédé de filage à chaud pour réaliser des fils frisés à l'aide de plusieurs buses d'entrelacement (10.2, 10.3, 10.4) qui sont maintenues ensemble sur un support (10.1), caractérisé en ce que les buses d'entrelacement (10.1, 10.3, 10.4) sur le support (10.1) sont associées à au moins un guide-fil (10.5) de telle sorte que les fils (6.1, 6.2, 6.3) peuvent être guidés au choix dans les buses d'entrelacement (10.1, 10.3, 10.4) et/ou dans le guide-fil (10.5).
  2. Dispositif selon la revendication 1, caractérisé en ce que le guide-fil (10.5) est maintenu à distance constante des buses d'entrelacement (10.1, 10.3, 10.4) sur le support (10.1).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les buses d'entrelacement (10.2, 10.3, 10.4) forment un cercle primitif (10.6) autour du guide-fil (10.5) et en ce que les buses d'entrelacement (10.1, 10.3, 10.4) sont disposées en étant uniformément séparées sur le cercle primitif (10.6).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le guide-fil (10.5) est formé par un corps de guidage (10.21) en forme de U qui est disposé sur un fond d'une rainure de guidage (10.7) traversant du support (10.1) du côté frontal.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'une au moins des buses d'entrelacement (10.2, 10.3, 10.4) est formée par un corps d'insertion (10.12) qui est maintenu dans une ouverture de réception (10.25) du support (10.1).
  6. Dispositif selon la revendication 5, caractérisé en ce que le support (10.1) est en forme de plaque et comporte une fente d'insertion (10.10, 10.11, 10.12) qui est ouverte en direction d'un côté frontal (10.8) ou de la rainure de guidage (10.7) et qui débouche latéralement dans l'ouverture de réception (10.25), l'ouverture de réception (10.25) et la fente d'insertion (10.10, 10.11, 10.12) traversant le support (10.1) depuis un côté supérieur (10.13) jusqu'à un côté inférieur (10.14).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce qu'un alésage d'entrée (10.18, 10.19, 10.20) est formé à l'intérieur du support (10.1) et s'étend entre l'ouverture de réception (10.25) et un raccord d'air comprimé (10.15, 10.16, 10.17) formé sur un côté frontal opposé (10.9) du support (10.1).
  8. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que le support (10.1) comporte, pour chaque buse d'entrelacement (10.2, 10.3, 10.4), des ouvertures de réception séparées (10.25), des fentes d'insertion séparées (10.10, 10.11, 10.12) et des alésages d'entrée séparés (10.18, 10.19, 10.20) pourvus de raccords d'air comprimé séparés (10.15, 10.16, 10.17).
  9. Dispositif selon l'une des revendications 5 à 8, caractérisé en ce que le corps d'insertion (10.21) est formé à partir d'un matériau résistant à l'usure et en ce que le corps d'insertion (10.21) comporte un conduit de guidage continu (10.29) qui est relié par une fente longitudinale (10.23) à la fente d'insertion (10.10) ménagée dans le support (10.1) et par une fente transversale (10.24) à l'alésage d'entrée (10.18) ménagé dans le support (10.1).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le support (10.1) comporte un bras de support saillant (10.27) qui comporte un guide-fil auxiliaire (10.28) opposé au guide-fil (10.5) à distance de celui-ci et qui permet, lors de la pose, de guider les fils de manière interposée.
EP18153814.1A 2017-02-01 2018-01-29 Dispositif permettant l'entrelacement d'une pluralité de filaments individuels d'un fil composite Active EP3358052B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017000886 2017-02-01

Publications (2)

Publication Number Publication Date
EP3358052A1 EP3358052A1 (fr) 2018-08-08
EP3358052B1 true EP3358052B1 (fr) 2020-05-27

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Country Link
US (1) US10988864B2 (fr)
EP (1) EP3358052B1 (fr)
CN (1) CN108374206B (fr)

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Publication number Priority date Publication date Assignee Title
DE102023128100A1 (de) 2022-10-25 2024-04-25 Oerlikon Textile Gmbh & Co. Kg Vorrichtung und Verfahren zur Herstellung eines gekräuselten Verbundfadens
BE1030958A1 (de) 2022-10-25 2024-05-08 Oerlikon Textile Gmbh & Co Kg Vorrichtung und Verfahren zur Herstellung eines gekräuselten Verbundfadens

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CN108374206A (zh) 2018-08-07
US20180216259A1 (en) 2018-08-02
US10988864B2 (en) 2021-04-27
CN108374206B (zh) 2021-11-23

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