EP1102878B1 - Dispositif et procede permettant de filer un fil synthetique - Google Patents

Dispositif et procede permettant de filer un fil synthetique Download PDF

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Publication number
EP1102878B1
EP1102878B1 EP99938309A EP99938309A EP1102878B1 EP 1102878 B1 EP1102878 B1 EP 1102878B1 EP 99938309 A EP99938309 A EP 99938309A EP 99938309 A EP99938309 A EP 99938309A EP 1102878 B1 EP1102878 B1 EP 1102878B1
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EP
European Patent Office
Prior art keywords
cooling tube
cooling
air
outlet
filaments
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 - Lifetime
Application number
EP99938309A
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German (de)
English (en)
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EP1102878A1 (fr
Inventor
Klaus Schäfer
Dieter Wiemer
Detlev Schulz
Hansjörg MEISE
Ulrich Enders
Hans-Gerhard Hutter
Peter Senge
Roland Nitschke
Gerhard Müller
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
Saurer GmbH and Co KG
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Publication of EP1102878A1 publication Critical patent/EP1102878A1/fr
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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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • 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

Definitions

  • the invention relates to a spinning device for spinning a synthetic Thread according to the preamble of claim 1 and a method for Spinning a synthetic thread according to the preamble of claim 16.
  • the freshly extruded filaments are in led a cooling tube with a vacuum atmosphere.
  • the cooling tube is at a distance arranged to the spinneret so that there is an air flow for cooling the filaments in the cooling pipe in the direction of the thread.
  • the Air flow rate and spinning speed in such a way coordinated that the filaments in their movement in the cooling tube be supported by the air flow. This ensures that the The solidification point of the filaments moves away from the spinneret.
  • a delayed crystallization of the polymer which is beneficial to the physical properties of the thread affects. For example, at the production speed of a POY-Gams, and thus the Elongation can be increased without affecting the yarn Change the elongation values required for further processing.
  • the known spinning device consists of a cooling tube and a Suction device, which is arranged below the spinneret. Between the Spinneret and the cooling tube is an inlet cylinder with gas permeable Wall arranged. By the interaction of the inlet cylinder and the An amount of air is introduced into the suction shaft of the suction device and within the cooling tube into an accelerated air flow in Thread running direction.
  • the Filaments pre-cooled in such a way that by increasing the viscosity in the outer layers the strength of the surface layer increases.
  • the core of the filaments are when they enter the cooling tube, however, still molten, so that the final solidification only takes place in the cooling tube.
  • the cooling tube consists of a funnel-shaped one Inlet with a narrowest cross section in the cooling pipe and one directly subsequent cylindrical section. Through the narrowest cross section and that cylindrical section, the air flow is accelerated such that the filaments are supported in their movement and only delayed in the cooling pipe solidify.
  • the cooling tube is provided for generating an additional cooling flow, the however, before acceleration of the air flow in the cooling tube to a significant cooling of the filaments, so that the positive effect of delayed crystallization of the polymer is insufficient or insufficient effect.
  • a spinning device which below a spinneret a cooling device with an upper stage and a lower one Level.
  • a cooling shaft with an inner one, the filaments enclosing, gas-permeable wall.
  • the top and the bottom Cooling shafts are each connected to a blower, so that the gas-permeable A cooling air stream emerges from the walls, but this is mainly transverse to the direction of the thread the filaments flow.
  • a suction device is arranged at the outlet.
  • an additional cooling air flow in the thread running direction is not specifically targeted generated so that the cooling air flow inevitably leads to a significant Thread friction leads, which hinders the movement of the filaments.
  • the invention has the advantage that the entering at the inlet of the cooling tube Air flow is used only to delay the crystallization of the polymer. This ensures that the solidification point of the filaments is within of the cooling pipe.
  • the through the cooling air flow introduced into the air supply device is used. This is this Air supply device below the narrowest cross section of the inlet on cylindrical section or arranged below the outlet of the cooling tube. This ensures that the cooling air flow only shortly before or after the solidification Filaments meet the filament bundle. This affects in particular the Uniformity of the filament cross sections and leads to a high Spinning safety and lint-free.
  • the particularly preferred development of the spinning device according to claim 2 has the advantage that the cooling air flow is substantially uniform in the Cooling pipe enters. Since the air flow and the cooling air flow are rectified, turbulence is essentially avoided.
  • the air supply device can be easily by Form opening in the jacket of the cooling tube according to claim 3.
  • the one through the Cooling flow entering the cooling tube arises due to the Vacuum atmosphere in the cooling tube automatically.
  • the development of the invention according to claim 4 is characterized in that that the air stream entering at the inlet of the cooling tube and that through the Opening of cooling air flowing into the cooling pipe independently of each other are adjustable.
  • the air supply device has an air flow generator on, which generates the cooling air flow.
  • a blower can be used.
  • Airflow generator designed as an injector with a nozzle bore, which with is connected to a compressed air source.
  • the nozzle bore of the injector opens directly into the opening in the jacket of the cooling tube.
  • Such training the Spinning device is also particularly suitable to the at the start of the process Thread filaments into the cooling tube. With an angular range of 15 to 30 ° it is also achieved that the filament bundle in the area of the cooling air flow is held securely from the wall of the cooling pipe.
  • an adjusting device to change the free Flow cross section of the opening can be one on the cooling tube use attached housing sleeve, which to partial Closing the opening on the cooling tube is arranged movably.
  • the adjustment means consists of a Opening in the cooling tube from the outside enclosing air chamber that an inlet with a throttle device. Via the throttle device in the inlet the air supply to the air chamber can thus be controlled.
  • the opening made in the jacket of the cooling tube can at the Embodiments can be designed as a bore or as a radial cutout.
  • the Opening formed by an annular perforated plate in the jacket of the cooling tube.
  • the perforated plate extends over the entire circumference of the cooling tube. This ensures a uniform inflow of cooling air into the Cooling pipe guaranteed. Due to the large number of holes, one with little Turbulent flow creates.
  • the perforated plate is cone-shaped with increasing cross-section in the thread running direction and in Extension of the cooling tube is arranged on the outlet side of the cooling tube. This further intensifies the cooling of the filaments because of the expansion the air flow a better mixing between the cooling air flow and the Airflow takes place.
  • the particularly advantageous development of the invention according to claim 12 enables not only very intensive cooling but also pre-stretching of filaments. Due to the direction of the thread Cooling air flow on the filaments is opposite to the direction of the thread acting frictional force, which causes the filaments to stretch.
  • a second cooling pipe is an extension to the first cooling pipe directly at the outlet chamber of the suction device is closed.
  • the second cooling tube is preferably included a funnel-shaped inlet and with a cylindrical outlet air-permeable wall.
  • the cooling pipe could have a heating device.
  • the inventive method is particularly characterized in that textile Threads or technical threads made of polyester, polyamide or polypropylene with thick titers and high elongation values can be produced.
  • the process can be carried out with different treatment facilities be coupled so that, for example, fully stretched threads, pre-oriented threads or highly oriented threads can be produced.
  • Fig. 1 is a first embodiment of an inventive Spinning device shown for spinning a synthetic thread.
  • a thread 12 is spun from a thermoplastic material.
  • the Thermoplastic material is used in an extruder or a pump melted.
  • the melt is via a melt line 3 by means of a Spinning pump conveyed to a heated spinning head 1.
  • a spinneret 2 is attached at the bottom of the Spinning head 1.
  • the emerges from the spinneret 2 Melt in the form of fine filament strands 5.
  • the filaments 5 pass through a spinning shaft 6 as a bundle of filaments through a Inlet cylinder 4 is formed.
  • the inlet cylinder 4 is immediate for this arranged below the spinning head 1 and encloses the filaments 5.
  • Am Free end of the inlet cylinder 4 closes a cooling tube in the thread running direction 8 on.
  • the cooling tube 8 has an inlet 9 on the inlet side of the filaments
  • the inlet 9, which is preferably funnel-shaped, is with the Inlet cylinder 4 connected. In the narrowest cross section of the inlet 9, this shows Cooling tube 8 has a cylindrical section 32. At the end of the cylindrical In part 32, the cooling tube 8 has an outlet cone forming the outlet 33 10 on The outlet cone 10 opens into an outlet chamber 11. On the An air supply device 34 is arranged on the underside of the outlet chamber 11. The air supply device 34 consists of a further cooling pipe 35.
  • the second Cooling tube 35 is coaxial with the first cooling tube 8 on the underside of the Outlet chamber 11 attached.
  • the second cooling tube 35 has on the Inlet side a funnel-shaped inlet 36, which with the suction chamber 11th connected is.
  • At the free end of the second cooling tube 35 is a cylindrical outlet 37 formed with a gas-permeable wall.
  • the outlet has an outlet opening 13 through which the filaments 5 escape.
  • a suction port 14 opens into the Suction chamber 11.
  • the suction device 15 can for example be a vacuum pump or have a blower which has a negative pressure in the outlet chamber 11 and thus generated in the first cooling tube 8 and in the second cooling tube 35.
  • the outlet chamber 11 is between the outlet 33 of the first cooling tube 8 and the Inlet 36 of the second cooling tube 35 enclosing the filaments 5
  • Screen cylinder 30 arranged.
  • the screen cylinder 30 has an air permeable Wall on.
  • the Winding device 20 has a head thread guide 19.
  • the head thread guide 19 shows in the beginning of the traversing triangle, which is characterized by the back and forth Movement of a traversing thread guide of a traversing device 21 arises.
  • a pressure roller 22 is arranged below the traversing device 21.
  • the Pressure roller 22 lies against the circumference of a coil 23 to be wound.
  • the sink 23 is generated on a rotating winding spindle 24.
  • the winding spindle 24 will driven by the spindle motor 25.
  • the drive of the Sulspindel 25 is regulated here in dependence on the speed of the pressure roller such that the peripheral speed of the bobbin and thus the winding speed remains essentially constant during winding.
  • Treatment device 17 for treating the thread 12 interposed there is a between the preparation device 16 and the winding device 20 Treatment device 17 for treating the thread 12 interposed.
  • the treatment device 17 formed by a swirl nozzle 18.
  • Treatment facility one or more unheated or heated godets be arranged so that the thread is stretched before winding. As well there is the possibility of additional heating devices for stretching or To arrange relaxation within the treatment device 17.
  • a polymer melt is used for Spinning head 1 conveyed and through the spinneret 2 into a variety of filaments 5 extruded.
  • the bundle of filaments is drawn off the winding device 20.
  • the filament bundle passes through the with increasing speed Spinning shaft 6 within the inlet cylinder 4.
  • Filament bundles into the cooling tube 8 via the funnel-shaped inlet 9.
  • Cooling tube 8 a negative pressure is generated via the suction device 15.
  • the ambient air present at the inlet cylinder 4 into the Spinning shaft 6 sucked in.
  • the penetrating into the spinning shaft 6 The amount of air is proportional to the gas permeability of the wall of the Inlet cylinder 4.
  • the inflowing air leads to a pre-cooling of the Filaments so that the outer layers of the filaments solidify. At its core however, the filaments remain molten.
  • the amount of air is then over sucked the inlet 9 together with the filament bundle into the cooling tube 8.
  • the air flow is formed due to that at the end of the inlet 9 narrowest cross section and under the action of the suction device 15 such accelerates that no counteracting the filament movement in the cooling tube Air flow is more there.
  • the narrowest cross section is in the whole Area of the cylindrical portion 32 is formed. So that's it Acceleration distance within the cooling tube 8 by the length of the cylindrical portion 32 determined.
  • the cylindrical section can a length of a few millimeters up to 500 millimeters or more exhibit.
  • the air flow in the direction of the thread increases the load the filaments decreased.
  • the solidification point shifts from the spinneret path. This allows the relationship between the spinning speed and the Drawing in the manufacture of the thread can be influenced in such a way that despite high spinning speeds high elongation values can be achieved.
  • the filaments 5 are cooled.
  • an air supply device 34 is used additional cooling air flow generated.
  • the filaments pass through a second one Cooling tube 35, which is arranged below the first cooling tube 8.
  • the Outlet cone 10 of the first cooling tube and the funnel-shaped inlet 36 of the second cooling tube 35 both open into the outlet chamber 11.
  • the air flow from the cooling pipe 8 and the cooling air flow from the cooling pipe 35 are due the effect of the suction device 15 sucked into the outlet chamber 11 and pass through the screen cylinder 30 through the suction port 14 from the Outlet chamber 11 from. Then the entire air flow through the Suction device 15 removed.
  • the filaments 5 pass through on the outlet side of the cooling tube 35 Outlet opening 13 and run into the preparation device 16.
  • the filaments become a thread 12 merged.
  • the thread 12 is in front of the Winding swirled through a swirl nozzle 18.
  • the thread 12 is wound into the bobbin 23.
  • a polyester thread generated with a winding speed of> 7,000 m / min is wound up.
  • the spinning device shown in Fig. 1 is characterized by this that the amount of air entering the intake cylinder is delayed to the Heat treatment of the filaments is matched. It can be advantageous Pre-cooling and the delayed solidification of the filaments can be influenced.
  • the Final cooling of the filaments takes place in a second zone through the second Cooling tube 35 is formed.
  • the Air supply device 34 are supplemented by an air flow generator, which is based on the outlet side of the second cooling tube 35 could be connected.
  • FIG. 2 shows a further exemplary embodiment of an inventive device Spinning device shown, in which an air supply device 34 with a Air flow generator 38 is provided.
  • the spinning device shown in Fig. 2 differs from that 1 in the configuration of the air supply device 34. Therefore, for the description of the other components, the identical reference numerals received on the description of the embodiment of FIG. 1st Referred.
  • the air supply device 34 in the region of the cylindrical Section 32 of the cooling tube 8 is formed.
  • the cooling pipe 8 in Jacket of the cylindrical section 32 has an opening 39.
  • the opening 39 is formed by an annular perforated plate 40, which is in the jacket of the cylindrical portion 32 is inserted.
  • the opening 39 in the jacket of the cylindrical portion 32 is by an outside of the shell of the portion 32nd enclosed air chamber 42 included.
  • the air chamber 42 has one Inlet 41 on The inlet 41 is connected to an air flow generator 38.
  • an adjustable throttle 44 is arranged, through which the free Flow cross section of the inlet 41 is controllable.
  • Spinning device we the additional cooling air flow through the interaction the suction device 15 and the air flow generator 38 of the air supply device 34 formed.
  • the cooling air flow enters through the opening 39 in the Acceleration distance of the cooling tube 8.
  • the cooling air flow occurs over a variety of Perforations in perforated plate 40 into opening 39.
  • the cooling air flow and the Air flow mixes and flows in the thread running direction up to outlet 33 of the cooling tube 8.
  • the cooling air flow and the air flow enter Outlet chamber 11 and are through the suction nozzle 14 through the Suction device 15 removed.
  • the filament bundle is inside the cooling tube 8 cooled. That leaves on the underside of the outlet chamber 11 Filament bundle 5, the cooling section through an outlet opening 13. Then the filament bundle becomes the thread in the preparation device 16 merged.
  • the embodiment of the spinning device according to the invention shown in FIG. 2 is characterized in that despite the delayed cooling and thus the Relocation of the solidification point within the cooling tube an intensive Cooling can take place within the cooling tube.
  • the air flow entering the inlet 9 of the cooling tube 8 and the position of the Air supply device 34 on the cooling tube are matched in such a way that the cooling air flow just before or just after the solidification point of the filaments in the cooling tube 8 enters. This ensures a high level of uniformity in training the filament or thread is reached.
  • the air supply device 34 can also be local by a circumference limited opening can be formed. There is also the possibility of Air supply device 34 to run without air flow generator 38, so that directly the ambient air via the inlet 41 into the air chamber 42 due to the Effect of the suction device 15 can occur.
  • FIG. 3 shows a modification of the air supply device 34 as it is for example, could be used in the spinning device of FIG. 2.
  • the part of the opening 39, that is not covered by the housing sleeve 43 is in with the ambient air Connection. Due to the negative pressure atmosphere in the cooling pipe 8 will thus form an additional cooling air flow that over the free Flow cross-section of the opening 39 flows into the interior of the cooling tube 8.
  • the filaments 5 with the air flow drawn in on the inlet side of the cooling tube 8 applied, which delays the cooling of the filaments.
  • FIG. 4 is another embodiment of an air agitator 34 shown.
  • the spinning device is with the exemplary embodiment according to FIG. 2 identical. In this respect, reference is made to the description of FIG. 2.
  • the air supply device 34 is in the embodiment of FIG 4 is formed on the outlet side of the cooling tube 8.
  • the outlet cone 10 is formed with a gas-permeable wall.
  • the Opening 39 in the jacket of the cooling tube 8 thus extends from the end of the cylindrical portion 32 to the outlet 33.
  • the gas permeable wall of the The outlet cone 10 is within an air chamber enclosing the cooling tube 8 42 arranged.
  • the air chamber 42 has an inlet 41, which at the end with the Ambient air is connected. With an adjustable throttle 44 the free Flow cross section controlled by the inlet 41.
  • the Ambient air through the inlet 41 into the air chamber 42.
  • the Air chamber 42 gets the lust for the environment due to the negative pressure atmosphere inside the cooling tube through the air-permeable wall of the outlet cone 10. Due to the widening cross-section in the thread running direction there is a intensive mixing between the air flow accompanying the filaments and the cooling air flow entering from the side. There is an intense Cooling the filaments.
  • the cooling air flow and the air flow are over the Outlet chamber 11 and the suction nozzle 14 from the suction device 15 dissipated.
  • FIG. 5 shows a further exemplary embodiment of a cooling system Spinning device shown.
  • the air supply device is below the Inlets 9 in the area of the cylindrical section 32 from the cooling pipe 8 arranged.
  • the embodiment shown in FIG. 5 is identical to that in FIG. 2 shown execution. Thus, reference is made to the description Fig. 2.
  • the air supply device 34 from FIG. 5 has an opening 39 in the jacket of the Cooling tube 8, which is executed in the form of a bore. Furthermore there is the air supply device from an injector 45 and a compressed air source 47.
  • the compressed air source 47 is connected to a nozzle bore 46 of the injector 45.
  • the injector 45 and the compressed air source 47 act as an air flow generator and conduct a cooling air flow through the opening 39 into the interior of the cooling tube 8.
  • the nozzle bore 46 of the injector 45 is designed such that between the Center axis of the cooling tube and the nozzle bore an angle in Thread running direction of ⁇ 90 ° is formed. So that the cooling air flow in Thread running direction introduced into the interior of the cooling tube 8.
  • the design of the air supply device 5 in particular for threading the filaments at the start of the process proven.
  • the cooling air flow is accelerated with high acceleration initiated the interior of the cooling tube, which is due to the suction of Suction device 15 essentially in the central region of the pipe cross section propagates. This flow entrains the filaments and guides the bundle of filaments safely through the cooling tube 8.
  • a second or more Air supply devices can be arranged with an injector.
  • the air supply devices shown in FIGS. 2 to 4 each have annular openings that extend over the entire circumference of the cooling tube extend. However, it is also possible to only partially open the opening limit certain peripheral portion of the cooling tube. It can too several openings side by side and / or one behind the other on the jacket of the Be designed cooling tube. By designing the openings or by Inserting pore-shaped walls, such as the perforated plate, can the flow of the cooling air flow substantially without major turbulence cause to flow into the interior of the cooling tube. With the one shown in Fig. 4 Embodiment of the air supply device is a particularly low turbulence Flow for cooling the filaments creates what the spinning security or Smooth running of the thread increased.
  • the invention is not based on a specific shape of the cooling tube limited.
  • the cylindrical shapes shown in the explanations are exemplary and can easily with an oval training or at Use of rectangular nozzles even through an angular formation of the Cooling tube to be replaced.
  • the cylindrical section of the cooling tube very short perform.
  • the cooling pipe consists of only one inlet cone, see above that the air supply device according to the embodiment of Figure 2 in Area of the outlet cone 10 would be attached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (18)

  1. Dispositif de filage pour filer un fil synthétique (12) qui est formé par la réunion d'un paquet de filaments constitué d'une multiplicité de filaments individuels (5) et qui est enroulé en une bobine (23) au moyen d'un dispositif de bobinage (20) en aval du dispositif de filage ; avec une filière (2), un tube de refroidissement (8) qui est agencé à distance en aval de la filière (2), lequel tube de refroidissement est constitué d'un orifice d'entrée (9) en forme d'entonnoir avec une section transversale la plus étroite dans le tube de refroidissement (8), une section partielle (32) cylindrique reliée à l'orifice d'admission (9) et un orifice de sortie (33) ; avec un cylindre d'entrée (4) perméable au gaz et agencé entre la filière (2) et l'orifice d'entrée (9) du tube de refroidissement (8) ; avec un dispositif de succion (15) qui est relié de telle manière à l'orifice de sortie (33) du tube de refroidissement (8) qu'un flux d'air est créé dans le tube de refroidissement (8) dans le sens du mouvement du fil ; et avec un dispositif d'alimentation en air (34) pour générer un flux d'air de refroidissement additionnel en direction axiale du tube de refroidissement (8) pour refroidir les filaments (5), le dispositif d'alimentation en air (34) étant réalisé dans le sens du mouvement du fil en aval de l'orifice d'entrée (9) dans la région du tube de refroidissement (8) ou en aval de l'orifice de sortie (33) du tube de refroidissement.
  2. Dispositif de filage selon la revendication 1, caractérisé en ce que le dispositif d'alimentation en air (34) est relié de telle manière au tube de refroidissement (8) que le flux d'air de refroidissement et le flux d'air s'écoulent communément dans le sens du mouvement du fil.
  3. Dispositif de filage selon la revendication 2, caractérisé en ce que le dispositif d'alimentation en air (34) est formé d'au moins une ouverture (39) dans l'enveloppe du tube de refroidissement (8) entre l'orifice d'entrée (9) et l'orifice de sortie (33) du tube de refroidissement, dans quel cas le flux de refroidissement entrant par l'ouverture dans le tube de refroidissement (8) est généré à partir de l'air ambiant à l'aide du dispositif de succion (15).
  4. Dispositif de filage selon la revendication 2, caractérisé en ce que le dispositif d'alimentation en air (34) est formé d'au moins une ouverture (39) dans l'enveloppe du tube de refroidissement (8) entre l'orifice d'entrée (9) et l'orifice de sortie (33) du tube de refroidissement (8) et d'un générateur de flux d'air (38) qui est en communication avec l'ouverture (39), dans quel cas le flux de refroidissement entrant dans le tube de refroidissement (8) par l'ouverture (37) est généré à l'aide du générateur de flux d'air (38).
  5. Dispositif de filage selon la revendication 4, caractérisé en ce que le générateur de flux d'air est un injecteur (45) avec au moins un trou de buse (46) et avec une source d'air comprimé (47) reliée à l'injecteur (45), en ce que le trou de buse (46) de l'injecteur (45) débouche directement dans l'ouverture (39), dans quel cas un angle dans le sens du mouvement du fil de moins de 90°, de préférence de 15° à 30° est formé entre l'axe médian du tube de refroidissement (8) et le trou de buse (46).
  6. Dispositif de filage selon la revendication 3 ou 4, caractérisé en ce que le dispositif d'alimentation en air (34) a un moyen d'ajustement (43) pour la modification de la section transversale d'écoulement libre de l'ouverture (39).
  7. Dispositif de filage selon la revendication 6, caractérisé en ce que le moyen d'ajustement est un manchon (43) rapporté sur le tube de refroidissement (8), qui es amovible pour fermer partiellement l'ouverture (39).
  8. Dispositif de filage selon la revendication 6, caractérisé en ce que le moyen d'ajustement est constitué d'une chambre à air (42) enfermant de dehors l'ouverture (39) dans le tube de refroidissement (8), avec une conduite d'alimentation (41) et avec un dispositif d'étranglement (44), lequel dispositif d'étranglement (44) commande dans la conduite d'alimentation (41) l'alimentation en air de la chambre à air (42).
  9. Dispositif de filage selon la revendication 8, caractérisé en ce que la conduite d'alimentation (41 ) de la chambre à air (42) est raccordée avec son extrémité libre au générateur de flux d'air (38).
  10. Dispositif de filage selon l'une des revendications 3 à 9, caractérisé en ce que l'ouverture (39) est formée par une tôle perforée annulaire (40) dans l'enveloppe du tube de refroidissement (8), laquelle tôle perforée s'étend sur toute la périphérie du tube de refroidissement.
  11. Dispositif de filage selon la revendication 10, caractérisé en ce que la tôle perforée (40) est réalisée en forme de cône avec la section transversale augmentant dans le sens du mouvement du fil et est agencée dans le prolongement de la section partielle cylindrique (32) sur le coté d'orifice de sortie du tube de refroidissement (8).
  12. Dispositif de filage selon la revendication 1, caractérisé en ce que le dispositif d'alimentation en air (34) est agencé de telle manière sur le coté d'orifice de sortie du tube de refroidissement (8) que le flux d'air de refroidissement s'écoule dans le sens opposé du mouvement du fil.
  13. Dispositif de filage selon la revendication 12, caractérisé en ce que le dispositif d'alimentation en air (34) est un deuxième tube de refroidissement (35) parcouru par le paquet de filaments et en ce que le deuxième tube de refroidissement (35) est relié de telle manière dans la prolongation axiale du premier tube de refroidissement (8) à l'orifice de sortie (33) du premier tube de refroidissement (8) que le flux d'air de refroidissement dans le deuxième tube de refroidissement (35) est généré par le dispositif de succion (15).
  14. Dispositif de filage selon la revendication 13, caractérisé en ce que le deuxième tube de refroidissement (35) présente un orifice d'entrée en forme d'entonnoir (36) et un orifice de sortie (37) avec une paroi perméable à l'air.
  15. Dispositif de filage selon la revendication 13 ou 14, caractérisé en ce que l'orifice de sortie (33) du premier tube de refroidissement (8) et l'orifice d'entrée (36) du deuxième tube de refroidissement (35) sont reliés l'un à l'autre par une chambre de sortie (11), le dispositif de succion étant raccordé à la chambre de sortie.
  16. Procédé de filage d'un fil synthétique (12) qui est formé par la combinaison d'un paquet de filaments constitué d'une multiplicité de filaments individuels (5) et qui est enroulé en une bobine (23) au moyen d'un dispositif de bobinage (20) en aval du dispositif de filage ; dans lequel les filaments (5) sont extrudés d'une fonte de polymère au moyen d'une filière (2) ; dans lequel les filaments (5) sont refroidis au moyen d'air dans une zone de refroidissement préliminaire et dans une zone de refroidissement ; dans lequel la zone de refroidissement a un orifice d'entrée en forme d'entonnoir (9) et un tube de refroidissement (8) avec une atmosphère de dépression qui est générée par un dispositif de succion (15) agencé en aval dans le sens du mouvement du fil et un orifice de sortie (33), de sorte que dans le tube de refroidissement (8) un flux d'air est généré dans le sens du mouvement du fil pour soutenir le déplacement des filaments (5), dans lequel le refroidissement et la vitesse de filage sont adaptés de telle manière l'un par rapport à l'autre qu'une solidification des filaments (5) n'a lieu qu'à l'intérieur du tube de refroidissement (8) ; et dans lequel les fils (5) sont réunis en un fil (12), dans quel cas les filaments (5) sont refroidis pour être solidifiés avant d'être réunis en un fil (12) par un flux d'air de refroidissement axial additionnel, généré dans la zone de refroidissement en dessous de l'orifice d'admission (9) ou en dessous de l'orifice de sortie (33).
  17. Procédé selon la revendication 16, caractérisé en ce que le flux d'air de refroidissement s'écoule dans la zone de refroidissement dans la même direction que le flux d'air.
  18. Procédé selon la revendication 16, caractérisé en ce que le flux d'air de refroidissement s'écoule dans la zone de refroidissement en direction opposée du fil en mouvement.
EP99938309A 1998-07-23 1999-07-21 Dispositif et procede permettant de filer un fil synthetique Expired - Lifetime EP1102878B1 (fr)

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DE19833188 1998-07-23
DE19833188 1998-07-23
PCT/EP1999/005203 WO2000005439A1 (fr) 1998-07-23 1999-07-21 Dispositif et procede permettant de filer un fil synthetique

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EP1102878A1 EP1102878A1 (fr) 2001-05-30
EP1102878B1 true EP1102878B1 (fr) 2004-09-22

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EP (1) EP1102878B1 (fr)
JP (1) JP4357119B2 (fr)
KR (1) KR100574180B1 (fr)
CN (1) CN1117186C (fr)
DE (1) DE59910596D1 (fr)
TW (1) TW530101B (fr)
WO (1) WO2000005439A1 (fr)

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KR101143536B1 (ko) * 2002-07-05 2012-05-09 어플라이드 폴리머 이노베이션즈 엠멘 비.브이. 방사방법
JP4795243B2 (ja) 2003-05-20 2011-10-19 ヒルズ， インコーポレイテッド 繊維押出し成形システムにおいて気流を制御するための方法および装置
WO2006024435A1 (fr) * 2004-08-27 2006-03-09 Diolen Industrial Fibers B.V. Procede de filage et dispositif destine a sa mise en oeuvre
DE112008002207T5 (de) 2007-08-17 2010-09-09 Reliance Industries Ltd., Mumbai Endloses polymeres Filamentgarn mit verbesserter Fasergleichmäßigkeit und erhöhter Produktivität
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CN102206879B (zh) * 2011-05-28 2012-12-05 东华大学 一种负压熔融纺丝方法
US9127457B2 (en) * 2012-07-10 2015-09-08 King Saud University Machine for deforming and cutting plastic strips for enhancing concrete
CN103866406A (zh) * 2013-10-30 2014-06-18 苏州龙杰特种纤维股份有限公司 单纤维丝分段冷却方法
DE102016112394A1 (de) * 2015-07-17 2017-01-19 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Schmelzspinnen und Abkühlen einer Filamentschar
JP7154808B2 (ja) * 2018-04-20 2022-10-18 株式会社ダイセル 紡糸装置及び紡糸方法
DE102020109250A1 (de) * 2019-04-10 2020-10-15 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Schmelzspinnen und Abkühlen einer Vielzahl synthetischer Filamente
CN111893588B (zh) * 2020-07-07 2021-06-08 诸暨永新色纺有限公司 冰凉感抗菌poy丝的制作方法
DE102021001308A1 (de) 2021-03-11 2022-09-15 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Abkühlen eines frisch extrudierten Filamentbündels
DE102021002103A1 (de) 2021-04-21 2022-10-27 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Abkühlen einer Vielzahl synthetischer Filamente
CN113755956B (zh) * 2021-08-31 2023-06-13 界首市三宝宏达制线有限公司 一种丙纶纤维短丝纺丝设备及纺丝方法
KR102420624B1 (ko) * 2022-01-21 2022-07-13 이승수 호스 제조용 공랭식 냉각부, 및 이를 포함하는 호스 외주면 코팅시스템
DE102022004931A1 (de) 2022-12-24 2024-06-27 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Abkühlen einer Mehrzahl von synthetischen Filamenten
CN117026397B (zh) * 2023-10-09 2023-12-26 南通摩瑞纺织有限公司 一种纺丝冷却装置

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JP2002521578A (ja) 2002-07-16
WO2000005439A1 (fr) 2000-02-03
US20010015508A1 (en) 2001-08-23
US6716014B2 (en) 2004-04-06
CN1309730A (zh) 2001-08-22
TW530101B (en) 2003-05-01
EP1102878A1 (fr) 2001-05-30
DE59910596D1 (de) 2004-10-28
KR100574180B1 (ko) 2006-04-27
KR20010072017A (ko) 2001-07-31
CN1117186C (zh) 2003-08-06
JP4357119B2 (ja) 2009-11-04

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