EP0906459B1 - Machine de texturation par fausse torsion - Google Patents

Machine de texturation par fausse torsion Download PDF

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Publication number
EP0906459B1
EP0906459B1 EP98905392A EP98905392A EP0906459B1 EP 0906459 B1 EP0906459 B1 EP 0906459B1 EP 98905392 A EP98905392 A EP 98905392A EP 98905392 A EP98905392 A EP 98905392A EP 0906459 B1 EP0906459 B1 EP 0906459B1
Authority
EP
European Patent Office
Prior art keywords
thread
false twist
machine according
texturing machine
conveying roller
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
EP98905392A
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German (de)
English (en)
Other versions
EP0906459A1 (fr
Inventor
Thomas Wortmann
Dietrich Berges
Hellmut Lorenz
Johannes Bruske
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 Barmag AG
Original Assignee
Barmag AG
Barmag Barmer Maschinenfabrik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Barmag AG, Barmag Barmer Maschinenfabrik AG filed Critical Barmag AG
Priority to EP01124280A priority Critical patent/EP1178139B1/fr
Publication of EP0906459A1 publication Critical patent/EP0906459A1/fr
Application granted granted Critical
Publication of EP0906459B1 publication Critical patent/EP0906459B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/06—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate singly
    • 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
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
    • 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
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04—Devices for imparting false twist
    • D02G1/08—Rollers or other friction causing elements
    • D02G1/082—Rollers or other friction causing elements with the periphery of at least one disc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a false twist texturing machine for texturing of synthetic threads according to the preamble of claim 1 and a Texturing method according to the preamble of claim 51.
  • False twist texturing machines of this type have a large number of processing points - usually up to 216 processing points - which in Machine side are arranged side by side.
  • each of the Processing sites on a first delivery plant and a second delivery plant The first supplier pulls the thread from a supply spool and conveys it him in a false twist zone.
  • the second supplier pulls the thread from the False twist zone and promotes it to a winding device, the Thread speed and the stretching of the thread by the speed ratio is determined between the second and first supplier.
  • a false twist texturing machine is known from EP 0 638 675, which a swirl stop device designed as a rotatable conveyor roller within the false twist zone. This does indeed mean that the friction force exerted on the thread by the twist stop device only too a slight change in thread tension, but the absolute value is the Thread tension in the false twist zone essentially from that between the stretching ratio set in the first and second delivery plants. Thus, a change in the thread tension in the false twist zone would only be achievable by changing the thread speed.
  • the object according to the invention is then to prepare options adjust to the effective tension in the false twist zone essentially to influence or to be independent of the thread speed Taxes.
  • Another object of the invention is that one especially the thread gentle application, gentle thread processing and thus higher texturing speeds can be achieved. It is also the goal of the invention to provide a false twist texturing machine in which each Processing point independent of the neighboring processing points is easy to use.
  • the false twist texturing machine according to the invention and the inventive Process for texturing is particularly characterized in that the thread tension within the false twist zone regardless of the between downstream of the fume cupboard and the false twist zone Supplied stretch ratio is changeable.
  • the runs in false twist generated as far back as to generate the Ripple in the thread is required.
  • the swirl stop device arranged immediately in front of the heating device The thread tension in the thread is determined by the friction between the running thread and the Circumferential surface of the driven conveyor roller is affected.
  • the conveyor role can are driven such that the peripheral speed of the conveyor roller is less than the thread speed.
  • the thread would become with a sliding friction component over the circumferential surface of the conveyor roller guided. This will increase the thread tension in the false twist zone reached.
  • the A swirl stop device can generate a corresponding counter torque. This is achieved particularly advantageously in that the thread in the looping area the conveyor roller zigzag on the circumferential surface of the Conveyor role is performed. Thereby arises in each deflection point between the thread and the conveyor roller a friction that is essentially only the Counteracts transverse forces of the thread.
  • the zigzag-shaped thread running track on the peripheral surface of the conveyor roller can be particularly advantageous by individual on the circumference of the conveyor roller Realize arranged thread guide elements. This makes it possible for everyone to realize any form of thread deflection transverse to the thread running direction. The maximum deflection of the thread is due to the covering opposite leading edges determined. The number of redirections is determined by the distance between the thread guide elements certainly.
  • the thread guides are rings trained, the driven conveyor roller carrying it from both end faces are postponed. You can keep the thread track between you form or be shaped so that the thread track by appropriate, Extensions that extend radially from the inner surfaces of the ring and are attached to the side is formed.
  • the conveyor roller is off two discs formed, which protrude laterally on their outer edges
  • Drive shaft are arranged that there is a zigzag thread track on a circumferential surface formed by the thread guide elements.
  • the thread guide elements are adjustable. With this, even at low Wrapping the peripheral surface of the conveyor roller in the thread a high Frictional moment to absorb the twist moment of the thread are generated.
  • the thread can be attached to the conveyor roller by a movable thread deflection device be put on particularly gently, directly in the thread run is arranged in front of or behind the conveyor roller such that the wrap angle changeable on the conveyor roller by the deflection device is.
  • the wrap angle on the conveyor roller in the area can be set between 0 and 360 degrees.
  • Thread is first applied to the conveyor roller with very little wrap. Then the wrap can by the movement of the thread deflecting device on the conveyor role are steadily increased until those for funding required wrapping or the wrapping required for the thread running is set.
  • the zigzag described by the thread track should follow one one or the other end of the conveyor roller open angle of include at least 100 ° C.
  • the peripheral surface of the conveyor roller by thread guide elements is formed, at a constant drive speed of the conveyor roller achieved that the peripheral speed of the peripheral surface can be changed is. Likewise, the wrap angle on the peripheral surface can the conveyor roller are influenced to a small extent.
  • the dimensions of the swirl stop roller according to the invention can be relative wide range vary. To absorb the twist moment of the thread However, it has been shown that a diameter of the peripheral surface of the A conveyor roller of at least 40 mm must be observed.
  • the thread running track i.e. with areas of the conveyor roller which are in contact with the thread and the deflection points the thread guide elements with a low-wear coating provided or the thread guides from a suitable abrasion arm, for example manufacture ceramic material.
  • the twist can also be sufficiently achieved using a godet brake.
  • the godet has a leading edge has in order to absorb the transverse force of the thread.
  • the texturing machine according to the invention with a control device is executed with a thread tension sensor and with the Drive of the conveyor roller is connected.
  • the drive of the conveyor roller directly from the measured thread tension. If the control device is given a target value for the thread tension, then the thread tension in the thread can be permanently adjusted using the conveyor roller become.
  • the false twist texturing machine Since the thread tension is generally higher in the cooling phase than in the Heating phase and should also not fall below a certain level, is the false twist texturing machine according to the invention with an intermediate the heating device and the cooling device arranged thread tension sensor preferably used, especially in cases where the cooling device and the heating device in a straight line running in succession are arranged so that an increase in thread tension by deflecting thread guide not possible.
  • Texturing machine is provided that the thread from a supply spool is pulled off directly by the conveyor roller. In addition to the thread tension also the thread speed through the conveyor roller and that downstream delivery plant determined.
  • the conveyor roller is advantageous here by means of an electric motor driven. This means that each processing point is independent of the neighboring ones Machining points adjustable. It can be used in every processing point an essentially equally high thread quality can be generated. It is however possible to cross a group of adjacent conveyor rollers together to drive a drive. Here are the conveyor rollers through a continuous Drive shaft connected together by means of a motor is driven.
  • the yarn can be broken if the yarn breaks Winder formation occurring at supplying plants either only by switching off the entire machine or only extremely difficult with the drive shafts running be removed. Furthermore, when creating a new one Thread in a processing point the problem is that the thread to delivery plants must be created, the high required for processing Have conveyor speed.
  • the particularly preferred development of the invention according to claim 20 or 21 creates a false twist texturing machine, which is characterized by that the first delivery plant is formed by a conveyor roller.
  • the required transport speed on the thread is caused by frictional forces transfer.
  • the thread loops around the conveyor roller in the circumferential direction partially, with the thread back and forth across its direction is deflected so that a zigzag-shaped thread track on Sets the scope of the conveyor roller.
  • the friction forces on the thread are increased so far that the Sliding of the thread on the peripheral surface is prevented.
  • the zigzag-shaped thread running track means that only one tensioned thread on the peripheral surface of the conveyor roller because the sliding resistance on the Deflection point of the thread track must be overcome. With a broken one Therefore, there will be no tight winding on the peripheral surface of the thread Form conveyor role. The thread will extend around the circumference outside the thread track wind up and can be easily removed.
  • the conveyor rollers are each independently driven, so that each Processing point can be controlled individually. This can the so-called sympathy thread breaks are particularly advantageously avoided become.
  • a sympathy thread break exists if the thread break on one Processing point one or more thread breaks of adjacent processing points has the consequence.
  • the conveyor rollers can be coupled and / or releasably connected to the respective drives. So with one Winder formation the conveyor roller in a simple manner from the processing point to remove and replace with a new conveyor roller. In order to downtimes are significantly reduced.
  • the drives of the conveyor rollers are preferably designed as electric motors, which can be controlled by individual inverters or group inverters.
  • the conveyor rollers are each through a drive unit combined with an eddy current brake. Such an arrangement can reduce the control effort of the drive be reduced.
  • Texturing machine is the conveyor roller by means of an application device operable. This allows short thread runs in the machine will be realized.
  • the conveyor rollers can be placed in the machine be placed that can only be reached by the operator with auxiliary devices is. Another advantage is that the thread with as few deflections can be performed, so that a gentle Thread treatment with few friction points is possible.
  • a false twist texturing machine is known from EP 0 641 877 A2 composed of a winding frame, a process frame and a gate frame is. Is between the winding frame and the process frame an operating aisle is formed to free-run each thread by hand to the delivery plants and create other treatment facilities. This structure leads to a complicated thread run with several deflection points in the Thread run between the creel frame and the process frame.
  • the particularly advantageous embodiment of the invention according to claim 26 or 27 provides a false twist texturing machine, which immediately before the first delivery plant and which the Has arranged heater and the cooling device in one plane. Through the Arrangement is achieved that the thread when passing through the heater and the cooling rail is exposed to very little friction. By means of the The delivery plant is given a defined transport speed to the fadem.
  • the arrangement according to the invention could also be used additional swirl stop device in front of the heater. The one in Thread run behind the cooling rail caused by the false twist would only progress to the first supplier. In the delivery plant then due to a frictional torque or Clamping on the thread dissolves the twist. The swirl stop roller limits thus the false twist zone.
  • the false twist texturing machine according to the invention is particularly characterized by a low overall height, since the Level in which the heater and the cooling device are arranged, runs horizontally or with a slight inclination to the horizontal.
  • the first delivery plant is equipped with a placement device served. This ensures that the thread by a Operator can be created safely or this when winding can be removed. It is particularly advantageous if the Application device is to be operated from the operating aisle. So that is ensures that at the start of the process the thread is fed into the supplying plants and the individual treatment facilities by an operator can be done by hand.
  • the application device can also consist of two sections, wherein in the first section, the application device is vertically movable in order to for example, the thread from the operating position to one for threading bring required working height. In the second section is the application device horizontally movable, so that, for example, the thread in a Above the spool gate arranged pulley can be inserted and then the thread is fed to the conveyor roller.
  • a particularly advantageous embodiment according to claim 31 sees before that the first delivery plant with a height-adjustable feed arm Application device is firmly connected. So the first delivery plant can be adjust between an operating position and an operating position. In the operating position that can be reached by the operator the thread is manually applied to the first delivery plant. Then the delivery plant through the feed arm into that required for the texturing operation Brought operating position.
  • the application device could be advantageous here at the same time apply the thread to the first heater, such as for example from DE 25 30 125 (Bag. 949) is known.
  • the conveyor roller is fixed with a height adjustable Arm of the application device connected and is adjustable by means of the height Arm between an operating position and an operating position adjusted. This ensures that the thread at the start of the process by a Operator can be created, which increases the security. Furthermore is an exchange of the winder formation on the conveyor roller Conveyor roller or removing the thread remnants in the operating position without Aid can be carried out by the operator.
  • a particularly preferred development of the invention according to claim 36 leads to a high flexibility of the respective processing point.
  • the thread break in front of the winding device Winder can be easily removed from the delivery plant.
  • the drives of the conveyor rollers are interconnected via a control device connected, so that the conveying speeds of the delivery plants one Processing point to the speed ratio required for drawing the thread remains set. This also allows any Realize the speed ratio between the supplying plants.
  • the control device is according to claim 15 with a thread tension sensor connected, which is arranged within the false twist zone.
  • a further development of the invention provides that the control devices a processing point is connected to a machine control unit.
  • a initiated via the machine control unit carry out collective changes in the speed of the delivery plants.
  • This Arrangement is advantageous if, for example, in the processing point Thread speed should be raised. This is done with the machine control a collective adjustment of the processing point made.
  • the machine control of the control device specifies a time function. The time function controls the switching of the speeds of the delivery plants so that no impermissible tension peaks occur.
  • control device a processing point connected to an energy buffer that in the event of a power failure, controlled braking of the drives within the Processing point enabled. This can prevent that Power failure leads to an uncontrolled termination of the process caused a thread break.
  • the thread guide on the conveyor roller can be designed such that the wrap angle greater than 180 ° can be realized on the conveyor roller without that a substantial increase in thread tension arises in the thread.
  • the string can be largely neutral to thread tension by such conveyor rollers redirect. This is particularly advantageous for compact machine structures to realize. This makes it possible to separate machine components Combine modules.
  • a particularly advantageous development of the invention is according to the second delivery plant with a second heater and one as a conveyor roller trained third delivery plant.
  • This is the false twist texturing machine especially suitable for texturing polyester yarn.
  • the thread is then heat-treated in the second Heater, where the thread tension depends on the speed ratio of the conveyor rollers hangs in front of and behind the heater.
  • the set heater is behind the second supplier in the process frame arranged.
  • a third delivery plant that conveys the thread for winding, is arranged on the winding frame.
  • Another preferred embodiment of the false twist texturing machine has individual drives for each unit in a processing point.
  • the traversing and the friction roller each via individual drives, preferably converter-controlled electric motors, driven.
  • the false twister with one electric single drive.
  • the thread is carried with before it is taken up a preparation order.
  • Such projection devices are preferably carried out as roller preparation devices.
  • the Projection means from a bath conveyed to the thread by means of a roller In order to increase the flexibility of the processing point, it is particularly of Advantage if this roller is driven by a roller motor.
  • the roller motor is independent of the neighboring one Machining point driven.
  • a thread brake is arranged in front of the feed roller.
  • the thread brake can be adjusted such that a defined preload is produced.
  • the thread brake can be advantageous by several Realize thread guides partially wrapped around the thread, one of the thread guides is adjustable to change the wrap.
  • the false twist texturing machine according to the invention and the inventive Processes are characterized in particular by the high flexibility in the production of textured yarn. They are both polyamide yarns with fine titer as well as polyester yarns with very large titer appropriate setting of the thread tension in the false twist zone to edit.
  • the method according to claim 56 is particularly suitable for the thread to be applied at high thread speeds. To avoid high Thread tension peaks there is the possibility of the threading speed align the supplying plants. So that the first delivery plant as well the second supplier works at the same speed.
  • Switching the supplying plants from the docking speed to the Operating speed is advantageously based on a predetermined time function.
  • a collective adjustment of the delivery plants can be carried out.
  • the aim is to control the time function To specify delivery systems in such a way that this is due to the speed difference Defined stretching ratio of neighboring supplying plants only when reached the operating speed.
  • inadmissible Thread tension peaks when starting the machine after the thread in every unit is inserted avoided.
  • the false twist texturing machine according to the invention is also preferred as run a double machine.
  • the two machine halves placed in such a way that the process racks are directly opposite each other. This ensures that the electrical drive components for the false twisters as well as for the second delivery plant in a common one Drive cabinet can be summarized.
  • the machine according to the invention enables a particularly gentle thread Texturing at high texturing speeds. Because of the between the gate frame and the process frame essentially straight Course of the thread, the thread spanning the take-up frame realized a low height of the machine. Despite this low overall height is the false twist texturing machine with a heating and cooling section equipped for high speeds of even coarse polyester yarns suitable is.
  • the false twist texturing machine points in the longitudinal direction - in the figures the drawing plane is the same as the transverse plane - a multitude of processing points , with one thread being processed per processing point becomes. Because the rewinder is three processing points wide take, are three winding points on the machine frame 9 in one Column arranged one above the other. Accordingly, there are also three each Supply coils 7 arranged one above the other on a creel 1.
  • Each processing point has a supply spool 7 on which a thermoplastic Thread 4 is wound.
  • the thread 4 is over a head thread guide 12 under a certain tension by the first delivery mechanism 13 deducted.
  • the thread 4 is then through a deflection roller 11 to the twist stop device 65 deflected and passes through an elongated heating device 18.
  • the thread is heated to a certain temperature.
  • the heater is designed as a high-temperature heater, in which the heating surface temperature is above 300 ° C.
  • Such a heater is for example from the EP 0 412 429 (Bag. 1720). In this respect, reference is made to this publication taken.
  • a cooling device 19 is located behind the heating device 18 Cooling device 19 is designed as an elongated cooling rail. Between the heating device 18 and the cooling device 19, the thread over a pulley 11 passed so that the heater 18 and the cooling device 19 V-shaped are arranged to each other.
  • the texturing machine according to the invention is not limited to such an arrangement, but also allows any other assignment between the heating device and the cooling device, for example around to realize a straight thread run, as described later.
  • This false twister 20 can be used as a friction disc unit be carried out, as for example in EP 0 744 480 (Bag. 2322) is described.
  • a second further delivery unit is used 21 to the thread 4 via both the heater 18 and the Cooling device 19 to pull.
  • a set heater 22 In the thread running direction behind the second Delivery unit 21 is a set heater 22.
  • This set heater 22 can be designed as a curved heating tube, which from a heating jacket is surrounded, the heating tube from the outside with steam to a certain Temperature is heated.
  • the set heater 22 could also be like that first heating device 18 can be designed as a high-temperature heater.
  • the thread 4 is here made by means of a further third delivery mechanism 23 pulled the set heater and conveyed to a winding device 9.
  • the thread 4 is on a winding spool 25, which is driven by a friction roller 24, wound.
  • the friction roller 24 is a traversing device, by means of which the thread on the Winding spool 25 back and forth and on this as a cross winding is wound up.
  • the supply plants 13, 21 and 23 are separate and the Process requirements accordingly with different, among themselves in a fixed ratio driven conveyor speeds.
  • This drive can in a known manner with the help of continuous drive shafts happen, then the drive shafts of the three supplier groups 13, 21 and 23 with each other - for example through a change gear - are firmly coupled.
  • the swirl stop devices are in the exemplary embodiments relating to FIGS. 1 to 3 65 each designed as a conveyor roller 30, which is partially wrapped around by the thread 4 become.
  • the thread 4 is in a zigzag-shaped thread running track guided on the circumferential surface of the conveyor roller 30 - as more precisely later described.
  • the conveyor roller 30 is coupled to a drive 46.
  • the drive 46 is the swirl stop roller 30 connected to a control device 49. Between the twist stop roller 30 and the heating device 18 is a thread tension sensor 63 in the thread path arranged. The thread tension sensor 63 is connected to the control device 49 connected.
  • the thread 4 withdrawn from the supply spool 7 with the delivery mechanism 13 and into the False twist zone promoted.
  • the false twist is the thread 4 through that False twist unit 20 introduced.
  • the false twist generated in this way runs counter to it the thread running direction back to the twist stop roller 30 the thread in the false twist state by the heater 18 and Cooling device 19 out.
  • the thread is twisted in the Heater 18 stretches and fixes, resulting in a strong impression of the twist and thus leads to a good crimp result in the thread.
  • the thread tension sensor 63 By means of the thread tension sensor 63, the thread tension is immediately before Input to the heater 18 measured. This measured value is sent to the control device 49 abandoned when a discrepancy between controls the drive motor 46 of the swirl stop roller in accordance with a desired value, so that the desired thread tension is set.
  • This Arrangement processes can be run at extremely low Thread tension expire.
  • the thread is pulled by means of the second delivery mechanism 21 pulled out of the false twist zone and then into a post-treatment zone e.g. led to the set heater 22 for shrinkage treatment of the thread.
  • the embodiment of the texturing machine according to the invention from Fig. 2 represents a further possibility compared to the exemplary embodiment from FIG. 1 the thread tension measurement in the false twist zone.
  • the twist stop roller 30 takes the thread 4 directly from the supply spool 7 subtracts.
  • the swirl stop device acts as the first delivery mechanism 13.
  • the thread speed in the false twist zone is determined by the conveying speed the conveyor roller 30 and the second delivery mechanism 21 set.
  • a thread brake 50 may be arranged. This embodiment is characterized by a particularly simple structure and process flow out.
  • the swirl stop device consists of a conveyor roller 30, which has a zigzag-shaped thread running track 31 on its circumference.
  • the zigzag-shaped thread running track 31 is formed in that on the Circumferential surface 36 of the conveyor roller alternately several thread guides 37 and 38 placed in the circumferential direction at equal distances from each other are (see Fig. 5).
  • the thread guides 37 are with their guide edges 39 assigned to the end face 40 of the conveyor roller 15.
  • the thread guides 38 are assigned with their guide edges 45 to the opposite end face 41.
  • the leading edges 39 and 45 of adjacent thread guides are offset aligned to the center plane 43 overlapping, so that a thread that the Wraps around guide edges 39 and 45, a zigzag thread run on the circumference of the conveyor roller 15.
  • are the guide edges 39 and 45 of the adjacent thread guides formed that a notch 44 is formed in which the incoming thread 4 is caught and on the respective guide edges 39 or 45 on the Circumferential surface 36 can slide. Due to the multiple wrapping the thread guides 37 and 38 thus generate a frictional force that Takes up twist moment of the thread.
  • the conveyor roller 30 is with a drive shaft 29 firmly coupled by a drive (not shown here) is driven.
  • the thread tension in the thread is determined by the sliding or Stiction between the thread 4 and the peripheral surface 36 as well the sliding or static friction between the thread 4 and the thread guide elements 37 and 38 influenced.
  • the thread tension can be the wrap angle between the thread inlet and the thread outlet on the conveyor roller 30 are predetermined.
  • the Thread guide elements 37 and 38 are preferably made of ceramic materials.
  • the conveyor roller is attached to the end of a drive shaft 42.
  • the conveyor roller 30 is firmly coupled to the drive shaft 42 via a form-fitting plug connection.
  • the plug connection between the conveyor roller 30 and the drive shaft 42 is secured by means of a locking ring 47. This makes it possible to replace the conveyor roller 30 with little effort. It should be pointed out at this point that the frictional force required for conveying could also be generated in the delivery mechanism according to the invention by clamping the thread.
  • the design of the conveyor rollers 30 is such that the thread tensile forces must be applied in one process stage, be transferred safely and slippage between thread 4 and conveyor roller 30 is avoided in order same delivery conditions from processing point to processing point as To create the prerequisite for a good product result.
  • This will be particularly also achieved in that the thread track 31 on a geometrically unambiguously defined diameter and thus of Delivery plant to delivery plant exactly reproducible speed and Draw ratios are present.
  • the roll diameter, the number and thus the division of the thread guides on the Roll circumference, roll width and also by the selected material the guide surfaces and the arrangement of the conveyor rollers in the thread run the wrap angle between thread inlet and thread outlet changed become. Leave regardless of the thread material (titer, residual stretching) the yarn delivery speeds and the yarn input tensions set individually at each processing point. This setting option is especially advantageous at the start of the process for threading Avoid thread tension peaks in the thread.
  • FIG. Another example of a swirl stop roller is shown in FIG.
  • the swirl stop roller by two coaxially to one another on a drive shaft 71 attached discs 72 and 73 formed.
  • the discs have on the the thread guide elements 37 on the outer edge facing each other and 38.
  • the thread guide elements 37 each have a guide edge 39, which in a circumferentially extending guide surface 69 ends.
  • the offset opposite thread guide elements 38 have the thread guide edges 45, which are also in a circumferential direction extending guide surface 75 ends.
  • the guide surfaces 69 and 75 are on one diameter and thus form a circumferential Contact surface for the thread.
  • the thread guide elements 37 are over a Guide 28 coupled to the disc 72.
  • the thread guide elements 38 are also coupled to the disk 73 via a guide 74.
  • FIG. 1 A further exemplary embodiment of a swirl stop roller is shown in FIG.
  • the thread guide elements 37 are rotated with one another Ring connected.
  • the thread guide elements 38 are also over a circumferential ring coupled together.
  • the two ring-shaped Thread guide elements are here with the projecting guide edges 39 and 45 offset from each other so that they interlock.
  • a notch 44 is formed, into which a tapering thread slides. Due to the deflection by means of the guide edges 39 and 45 the thread is then forced into a zigzag thread track.
  • the Thread lies on the circumferential guide surface 69.
  • the thread can be wrapped around the guide edges 39 and 45 by axially displacing the thread guide elements 38 by an adjusting device 68 take place.
  • the thread guide elements 38 are here a guide 67 connected to the conveyor roller 30.
  • the conveyor roller 30 is again plugged onto a drive shaft 71.
  • Circlip 47 is attached to the shaft end of the drive shaft 71.
  • the false twist texturing machine consists of a frame 2, one Process frame 3 and a winding frame 1. Between the process frame 3 and the winding frame 1, an operating aisle 5 is formed. On the for Operating aisle 5 opposite side of the winding frame 1 is the gate frame 2 arranged at a distance from the winding frame 1. Between the winding frame 1 and the gate frame 2 a doffgang 6 is thus formed.
  • the false twist texturing machine points in the longitudinal direction - in the figures the drawing plane is the same as the transverse plane - a multitude of processing points for one thread per processing point.
  • the rewinder occupy a width of three processing points. Therefore are three winding devices 9 - this will be discussed later - Arranged one above the other in the winding frame 1.
  • Each processing point has a supply spool 7 on which a thermoplastic Thread 4 is wound.
  • the thread 4 is over a head thread guide 12 and a guide roller 11 or a thread guide under one certain voltage deducted by the first delivery mechanism 13.
  • the thread between the gate frame 2 and the first delivery mechanism 13 without pipe routing.
  • pipe guides can also be used in this case of transporting the thread from the supply spool to the operating aisle be used.
  • a thread cutter 14 is in the thread path in front of the first delivery mechanism 13 arranged.
  • the thread can be cut by the thread cutter 14, if in the course of the process between the first delivery plant 13 and the winding Disturbances occur.
  • the first delivery unit is designed here as a conveyor roller 30, which is on has a zigzag-shaped thread running groove 31 around its circumference, as follows is described in the description of Figures 3 to 6. in this connection the conveyor roller 30 is used at the same time as a twist stop to the by False twist 20 stop twist generated in the thread. Every processing point a conveyor roller 30 is assigned to each.
  • the conveyor roller 30 is driven by an electric single drive (not shown here).
  • the conveyor roller 30 and the drive are connected to a bracket 15 connected to a feed arm 16.
  • the feed arm 16 is connected to a carriage 32.
  • the sled 32 is by a linear drive along the guide 33 between a - 9 - operating position 34 and an operating position 35 emotional.
  • the thread can be used by an operator at the start of the process manually applied to the conveyor roller 30. Then the Conveyor roller 30 into its operating position 34 by means of the application device 17 method.
  • the drive for example drives a group of conveyor rollers, stationary on the machine frame is attached.
  • the conveyor rollers would then be in their respective operating positions can be coupled to the drive.
  • the first delivery plant is stationary in the machine is arranged and for example over one for several processing points effective central drive is driven.
  • the thread guide movable on the application device the thread from the operating position to the delivery plant. After that is done an application of the thread to the delivery plant.
  • the first supplier works by others thread-promoting agents, e.g. Delivery waves or godets can.
  • first, elongated heater 18 In the thread running direction behind the first delivery mechanism 13 there is a first, elongated heater 18 through which the thread 4 runs, whereby the thread is heated to a certain temperature.
  • the heater could be listed as a high temperature heater at which the heating surface temperature is above 300 ° C.
  • Behind the heater 18 is a cooling rail 19.
  • the Heater 18 and the cooling rail 19 in a plane one behind the other arranged that a substantially straight thread run occurs.
  • Behind the cooling rail 19 is a schematically illustrated false twister 20th
  • a second, further delivery unit is used 21, the thread 4 both over the heater 18 and the cooling rail 19 pull.
  • a second heater 22 (set heater).
  • This set heater can be used as curved heating tube, which is formed by a heating jacket is surrounded, the heating tube from the outside with steam to a certain Temperature is heated.
  • the set heater 19 could be like the first heater 18 can also be designed as a high-temperature heater.
  • a compensating tube is connected to the second heater 22 in the thread running direction 29 seamlessly, as is known from EP 0 595 086 (Bag. 2045). This ensures that the thread 4 in the atmosphere of the heater 22 in the compensating tube 29 transported. In the kink between the heater 22 and the compensating tube 29 is the thread guide 28.
  • Another third is located at the outlet end of the compensating tube 29 Delivery plant 23.
  • a preparation device (not shown), the thread 4 before entering a winding 9th repaired.
  • the thread is on a winding spool 25, which is driven by a friction roller 24 on the circumference.
  • a traversing device 26 In front of the friction roller 24 there is a traversing device 26, by means of which the thread 4 is guided back and forth on the take-up spool 25 and is wound on this as a cross winding.
  • the operating aisle 5 is between the process frame 3 and the winding frame 1 formed.
  • the cooling rail is above the aisle 5 19 arranged, which are essentially on the process frame 3rd supported.
  • the process frame are the false twist according to the thread course 20, the second delivery unit 21 and the second heater 22 are arranged.
  • the process rack is characterized by the fact that it only such machine parts are located, which are used for thread treatment.
  • the winding frame 1 On the winding frame 1 is in the upper area on the 5 facing away from the first delivery plant 13 immediately before the entrance of the arranged first heater 18.
  • the first heater 18 is again based from the take-up frame 1.
  • the thread course is at the bottom
  • the third delivery mechanism 23 in the winding frame 1 attached. Otherwise, the winding devices 9 are in the winding frame 3 arranged.
  • the winding device 9 has a coil store 8, which for The full bobbin is used when a full take-up reel 25 has been generated. To remove the full spool 25 the spindle carrier is pivoted and the full spool onto a unwinding track stored. The unwind path is part of the coil store 8. On the The full reel 25 waits for the unwind path until it is removed. That's why it is Unwind path of the coil store 8 arranged on the side of the winding frame 1, which are adjacent to the Doffgang 6 and from the operating aisle 5 turned away. Doffgang 6 extends along the winding frame 1 and is formed between the gate frame 2 and the winding frame 1. He serves to remove the full bobbins waiting on the bobbin storage 8.
  • each winding device 9 is assigned a tube feed device 10, which is no longer described in detail. It is a matter of a sleeve memory on which several empty tubes are temporarily stored become. If a winding device 9 a full on the spindle carrier Coil generated and the full coil has been stored on the coil memory is, an empty sleeve is fed to the spindle carrier and thereon attached.
  • the arrangement of the frame parts lies in the false twist texturing machine according to the invention such that the thread from the supply spool to Winding device describes a 6-shaped path.
  • the first delivery plant is 13 so involved in the thread course that the thread without essential Deflection from the deflection roller 11 on the frame 2 to the false twist unit 20 is performed on the process frame 3.
  • Thread guidance can texturing speeds of greater than 1,200 m / min are driven.
  • the between the first delivery mechanism 13 and the top thread guides 12 Arranged pulley 11 can also be replaced by a thread guide become.
  • a particular advantage of the false twist texturing machine is that the process frame 3 is arranged on an outside of the machine. Thereby can - as shown in Fig. 10 - advantageously a double machine form.
  • the process frames of the machine halves are immediate arranged side by side so that the electrical drive components for the false twister and the delivery plants centrally in one on the process frame arranged control cabinet are integrated.
  • the second half of the machine is thus placed in mirror image on the first half of the machine.
  • the false twist texturing machine according to FIG. 11 is the structure of the False twist texturing machine according to FIG. 9 very similar, so that on the Description to FIG. 9 is referred to at this point.
  • the delivery mechanisms 13 are 21 and 23 designed as a conveyor roller 30 each having a circumference has zigzag-shaped thread running groove 31, as previously in the description 4 to 6 is described. They are one processing point Assigned conveyor rollers 30.1, 30.2 and 30.3. The conveyor rollers 30 are each driven by an electric single drive 46.
  • the conveyor roller 30.1 and the drive 46.1 are via a bracket 15 connected to a feed arm 16. This is also on the feed arm a thread cutter 14 arranged in the thread path in front of the conveyor roller 30.1 attached.
  • the feed arm 16 is connected to a carriage 32.
  • the Carriage 32 is interposed by a linear drive along the guide 33 one - as shown in Fig. 11 - operating position 34 and one Operating position 35 moves.
  • the thread can start from one Operator to be manually placed on the conveyor roller 30.1.
  • the conveyor roller 30.1 is in its operating position by means of the application device 17 34 procedure.
  • both the winding device 9 and the false twist unit 20 independently are driven by the neighboring processing points.
  • the winding device 9 has two drives for this purpose.
  • the first drive serves to drive the friction roller 24.
  • This drive is advantageous by a Axle motor formed, which is integrated in the axis of the friction roller.
  • the second Drive is used to drive the traverse 26.
  • This drive could be a stepper motor, the a thread guide by means of a belt drive drives back and forth. This arrangement allows the individual Setting options of the supplying plants used to be different Making yarns within a texturing machine.
  • FIG. 11 The cross section of a further exemplary embodiment is shown schematically in FIG the false twist texturing machine according to the invention shown.
  • the arrangement of the components 12 leads to a kinking Thread course between the heater 18 and the cooling rail 19.
  • the thread is transported through the machine by the delivery mechanisms 13, 21 and 23.
  • the thread 4 by the first delivery mechanism 13 of the Supply spool 7 subtracted.
  • Between the supply spool 7 and the first Delivery mechanism 13 has a thread brake 50 in order to have a minimum thread tension build.
  • the delivery plants 13, 21 and 23 are in turn each by a conveyor role with a zigzag thread track on the circumference of the roll educated.
  • 30 deflection rollers in front of and / or behind the conveyor roller 11 arranged to fix the degree of wrap on the conveyor roller.
  • Each of the conveyor rollers 30 is driven by an electric motor 46.
  • the electric motors 46 of a processing point are included connected to a control device 49. Through the control device 49 the drives 46 the respective desired conveying speeds of the rollers 30 given up.
  • the stretching ratio set between the conveyor roller 30.1 and 30.2 is thus kept essentially constant.
  • a preparation device is arranged in front of the third delivery unit 23 ,
  • the preparation device consists of a preparation roller 51.
  • the preparation roller 51 is driven by the roller motor 52.
  • the Preparation roller 51 is arranged such that the thread 4 has its surface affected.
  • a tub 53 is attached below the preparation roller 51 is filled with the preparation. By rotating the preparation roller 51 is thus preparation on the surface of the roller from the tub 53 carried away and brought into contact with the thread 4.
  • FIG. 13 shows a further exemplary embodiment of a false twist texturing machine shown.
  • the arrangement of the frame parts and components corresponds essentially to the embodiment variant according to FIG. 11 refer to the description of FIG. 11.
  • the second heater 22 and the first heater 18 to a heater module summarized.
  • the thread 4 after passing the false twist unit deflected at the delivery unit 21 by 360 °.
  • the Thread 4 from an additional delivery unit 48 from the second delivery unit 21 deducted and promoted to the second heater 22.
  • the one for post heat treatment Required thread tension is between the delivery 48th and the third delivery mechanism 23 set.
  • the thread 3 then runs from into the winding device 9 at the top.
  • the delivery mechanisms 13, 21, 48 and 23 are through the conveyor rollers 30.1 to 30.4 formed.
  • Each of the conveyor rollers 30.1 to 30.4 has a drive 46.1 to 46.4 connected.
  • the motors 46 are actuated again via a central control device (not shown here).
  • FIG. 14 shows a further exemplary embodiment of a control concept a false twist texturing machine shown in Figure 11.
  • the delivery plants 13.1, 13.2 and 13.3 are each driven by a drive 46.
  • Each Drive 46 is assigned to a control device 49. So that exists Possibility to control each of the delivery plants individually.
  • the control devices 49.1, 49.2 and 49.3 are with a central machine control unit 54 connected.
  • the machine control unit 54 can thus be used for individual control of the suppliers 13.1, 13.2 and 13.3 intervene directly. So that is collective adjustment of the delivery plants possible.
  • Such an arrangement is also particularly suited to a controlled in the event of a power failure Brake the supplying plants. This is done with the machine control device 54 coupled energy buffers to each yarn feeder activated so that controlled braking is possible.
  • the energy buffer is provided with the control device 49 assigned to the delivery plant connected.
  • the Control devices predefined time functions with which each of the supplying plants is controlled.
  • the speed ratio between the first delivery plant and the second delivery plant which is the drawing of the thread in the false twist zone determined only shortly before reaching the final operating speed within the processing point set.
  • the time function can be a ramp-like, progressive one or cause a degressive change in the rotational speed.
  • the false control texturing machine can be the individual control devices 49.1, 49.2 and 49.3 also combine into a single control device. Such an arrangement is used in particular when only a collective adjustment of the delivery plants is required.
  • the thread transfer device 55 can be made from consist of a pivot arm 56 which is pivotable on a pivot axis 58 is stored.
  • the pivot axis 58 is in the machine frame of the texturing machine attached.
  • a thread guide 57 is attached at the opposite free end of the swivel arm 56 .
  • the thread guide 57 can by Pivotal movement of the swivel arm 56 penetrate the thread plane.
  • the thread 4 on the Thread guide 57 folded so that one depending on the position of the swivel arm, the wrap angle is set on the roller 30 sets.
  • the Swivel arm 56 could be connected to a drive that with a control device and a thread tension meter in a control loop is switched. With such a regulation, each can be used for the process required thread tension directly through the size of the wrap angle adjust on the roller 30.
  • FIG 16 another exemplary embodiment is a drive of a conveyor roller 30 shown.
  • the conveyor roller 30 is attached to a shaft 60.
  • the shaft 60 is at a free end in a bearing 62 on the machine frame stored.
  • the shaft 60 coupled to a drive 59.
  • the drive 59 could here by a pneumatically operated turbine are formed.
  • Eddy current brake 61 In the section of the shaft 60 between the conveyor roller 30 and the drive unit 59 engages Eddy current brake 61 on shaft 60.
  • the drive unit 59 drives shaft 60 with a constant drive torque on.
  • the peripheral speed of the conveyor roller is now by more or less severe braking of the drive shaft 60 controlled.
  • FIG. 17 is a further embodiment of an inventive False twist texturing machine shown.
  • One machine half is one semi-automatic false twist texturing machine shown. Because both machine halves are placed in mirror image to each other, only half of the Double machine shown and described in Fig. 17.
  • the machine has a gate frame 2, a winding frame 1 and a process frame 3.
  • a plurality of supply coils 7 are arranged one above the other in tiers.
  • an operating / opening 5 formed between the gate frame 2 and the winding frame 1 there is an operating / opening 5 formed. These are on one level above the machine frames first delivery unit 13, the heating device 18 and the cooling device 19 arranged.
  • a false twister 20 and a second delivery mechanism 21 are supported on the process rack 3.
  • the process frame 3 is on the gate frame arranged opposite side of the winding frame. winding frame 1 and process frame 3 are joined together directly.
  • a second heater 22 is arranged below the second delivery unit 21.
  • the winding frame 1 serves to accommodate the winding device 9.
  • winding devices are on the floor arranged one above the other.
  • the thread is in each of the winding devices wound into a bobbin 25.
  • the thread spool 25 is on a spindle arranged, which is driven by a friction roller 24.
  • a traversing device 26 is inserted in the thread path.
  • the first delivery mechanism 13 is provided by a conveyor roller 30 educated.
  • the conveyor roller 30 is on with a drive (not shown here) attached to a height-adjustable slide 32.
  • the carriage 32 can along the guide 33 between an operating position 35 and the operating position 34 are moved.
  • the thread 4 is in the straight course of the thread Head thread guides 12 of the creel frame 2 guided to the conveyor roller 30 and from there enters the false twist zone of the machine.
  • the false twist zone is limited by the false twist unit 20 and the conveyor roller 30.
  • the heating device 18 and the cooling device are within the false twist zone 19 arranged in one plane.
  • the second delivery unit 21 leads the thread from the False twist zone in the downstream second heater 22.
  • From there the thread via a third delivery mechanism 23 to the winding device 9.
  • the winding device 9 then turns the thread into a thread spool 25 wound.
  • the bobbin change carried out on the false twist texturing machine After the coils 25 are completely wound, by means of a Doffers the bobbin change carried out on the false twist texturing machine.
  • several handling devices are arranged on the doffer, which are preferably operated pneumatically.
  • the doffer When changing bobbins the doffer in the operating / doffgang 5 so that by means of the handling devices the spool change in each winding device 9 simultaneously is carried out.
  • the threads first become a bundle merged, cut and vacuumed. The full coils are unlocked and taken. An empty tube is then placed in each winding device inserted. The threads are inserted for winding. Any activity is carried out by the handling equipment of the doffer. The new winding process in the rewinder can begin.
  • This semi-automatic false twist texturing machine can also be used realize particularly gentle yarn processing.
  • By arranging the first delivery plant immediately before the heater entrance of the heating device 18 and above the creel 2 is a thread run with few deflections realized.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

La présente invention concerne une machine de texturation par fausse torsion ainsi qu'un procédé de texturation de fils synthétiques au point de traitement concerné, prévoyant, à l'intérieur d'une zone de fausse torsion,un dispositif d'arrêt de torsion, un dispositif de chauffage, un refroidisseur et un mécanisme de fausse torsion. Le fil est tiré de la zone de fausse torsion à l'aide d'un organe délivreur. Le dispositif d'arrêt de torsion selon l'invention peut être entraîné par un rouleau transporteur autour duquel le fil est partiellement enroulé de manière à être soit freiné soit délivré, d'où la possibilité de régler la force de tension de fil à l'intérieur de la zone de fausse torsion.

Claims (59)

  1. Machine de texturation par fausse torsion pour texturer des fils synthétiques avec une multiplicité de postes de traitement, qui dans un poste de traitement à l'intérieur d'une zone de fausse-torsion présente respectivement un dispositif d'arrêt de torsion (65), un dispositif de chauffage (18), un dispositif de refroidissement (19) et un agrégat de fausse, torsion (20), la fausse torsion revenant en arrière dans le fil (4) à l'intérieur de la zone de fausse torsion étant freinée au moyen du dispositif d'arrêt de torsion (65) et le fil (4) étant défilé hors de la zone de fausse torsion au moyen d'un dispositif d'alimentation (21) et étant guidé vers un dispositif d'enroulement (9), caractérisée en ce que le dispositif d'arrêt de torsion (65) est un rouleau de transport rotatif(30) étant enlacé au moins partiellement en direction périphérique par le fil (4), lequel rouleau de transport rotatif(30) pouvant être - entraíné par un mécanisme d'entraínement (46) de telle manière que le fil (4) est freiné ou transporté.
  2. Machine de texturation par fausse torsion selon la revendication 1, caractérisée en ce que le rouleau de transport (30) présente à la périphérie au moins une voie de passage de fil (31) en forme de zigzag faisant le tour, afin que le fil soit guidé dans la zone d'enlacement du rouleau de transport (30) en forme de zigzag sur l'aire périphérique (36) du rouleau de transport (30).
  3. Machine de texturation par fausse torsion selon la revendication 2, caractérisée en ce qu'à la périphérie le rouleau de transport (30) présente plusieurs éléments de guidage de fil (37, 38) formant la voie de passage de fil (31) lesquels éléments de guidage de fil (37, 38) contactent avec leurs arêtes de guidage (39, 45) le fil (4) dans les points de déviation de la voie de passage de fil (31).
  4. Machine de texturation par fausse torsion selon la revendication 3, caractérisée en ce que les éléments de guidage de fil (37, 38) sont des anneaux qui sont enfilés à partir des. deux faces frontales (40, 41) du rouleau de transport (30) sur le rouleau de transport (30) et qui forment entre-eux la voie de passage de fil (31).
  5. Machine de texturation par fausse torsion selon la revendication 2, caractérisée en ce que le rouleau de transport (30) est constitué de deux disques (30, 32), en ce que les disques (30, 32) présentent au niveau du bord extérieur des éléments de guidage de fil (37, 38) faisant saillie latéralement et en ce que les disques (30, 31) sont fixés de telle manière l'une par rapport à l'autre que la voie de passage de fil (31) se forme.
  6. Machine de texturation par fausse torsion selon la revendication 3 à 5, caractérisée en ce que les éléments de guidage de fil (37, 38) peuvent être ajustés de telle manière que le diamètre de la voie de passage du fil (31) et/ou l'enlacement périphérique du fil (4) sur le rouleau de transport (30) change.
  7. Machine de texturation par fausse torsion selon l'une des revendications 3 à 6, caractérisée en ce que les éléments de guidage de fil (37, 38) peuvent être ajustés de telle manière que les enlacements du fil (4) changent au niveau des arêtes de guidage du fil (39, 45).
  8. Machine de texturation par fausse torsion selon l'une des revendications 1 à 7, caractérisée en ce qu'un dispositif de déviation du fil (55) mobile est agencé de telle manière dans le trajet du fil directement en aval ou en amont du rouleau de transport (30) que l'angle d'enroulement sur le rouleau de transport (30) peut être modifié au moyen du dispositif de déviation du fil (55).
  9. Machine de texturation par fausse torsion selon la revendication 6, caractérisée en ce que l'enlacement du fil (4) au niveau des arêtes de guidage du fil (39, 45) présente un rayon de bombé d'au moins 1,5 mm.
  10. Machine de texturation par fausse torsion selon l'une des revendications 2 à 9, caractérisée en ce que le zigzag décrit par la voie de passage du fil (31) comporte alternativement vers l'une ou l'autre face frontale (40, 41) du rouleau de transport (30) des angles de même taille d'au moins 100°.
  11. Machine de texturation par fausse torsion selon l'une des revendications 1 à 10, caractérisée en ce que l'aire périphérique (36) du rouleau de transport (30) guidant le fil présente un diamètre d'au moins 40 mm.
  12. Machine de texturation par fausse torsion selon l'une des revendications 1 à 11, caractérisée en ce qu'à la périphérie le rouleau de transport (30) présente plusieurs voies de passage du fil en forme de zigzag agencées parallèlement l'une à coté de l'autre.
  13. Machine de texturation par fausse torsion selon l'une des revendications 1 à 12, caractérisée en ce que les zones du rouleau de transport (30) et des éléments de guidage de fil (37 ; 38) contactées par le fil (4) présentent contre l'usure un revêtement résistant à l'abrasion.
  14. Machine de texturation par fausse torsion selon la revendication 1, caractérisée en ce que le rouleau de transport est réalisé en tant que galet qui présente une arête d'avancement supportant latéralement le fil enlacé.
  15. Machine de texturation par fausse torsion selon l'une des revendications 1 à 13, caractérisée en ce que le mécanisme d'entraínement (46) est relié à un dispositif de commande (49) qui avec un capteur de force de traction de fil (63) est compris dans un circuit de régulation et qui commande le mécanisme d'entraínement (46) en fonction du signal de sortie du capteur de force de traction de fil (63).
  16. Machine de texturation par fausse torsion selon la revendication 15, caractérisée en ce que le capteur de force de traction de fil (63) est agencé à l'intérieur de la zone de fausse torsion, notamment en aval du dispositif de chauffage (18).
  17. Machine de texturation par fausse torsion selon la revendication 16, caractérisée en ce que le capteur de force de traction de fil (63) est agencé entre le dispositif de chauffage (18) et le dispositif de refroidissement (19)
  18. Machine de texturation par fausse torsion selon l'une des revendications 1 à 13, caractérisée en ce que le rouleau de transport (30) défile le fil (4) directement de la bobine d'alimentation (7), la vitesse du fil et le taux d'étirage étant ajustés dans la zone de fausse torsion entre le rouleau de transport (30) et le dispositif d'alimentation (21) étant agencé en aval de la zone de fausse torsion.
  19. Machine de texturation par fausse torsion selon la revendication 18, caractérisée en ce que le mécanisme d'entraínement (46) entraíne plusieurs rouleaux de transport réunis en un groupe de plusieurs postes de traitement.
  20. Machine de texturation par fausse torsion selon la revendication 18, caractérisée en ce que le mécanisme d'entraínement (46) est relié à un rouleau de transport (30) et en ce que chaque rouleau de transport (30) d'un poste de traitement peut être entraíné indépendamment de rouleaux de transport (30) adjacents du poste de traitement et indépendamment de rouleaux de transports adjacents de postes de traitement adjacents.
  21. Machine de texturation par fausse torsion selon l'une des revendications précitées pour texturer des fils thermoplastiques avec une multiplicité de postes de traitement, qui comporte respectivement une bobine d'alimentation (7), un premier dispositif d'alimentation (13), un premier chauffage allongé (18), une barre de refroidissement allongée (19), un dispositif de fausse torsion (20), un deuxième dispositif d'alimentation (21) ainsi qu'un dispositif d'enroulement (9), caractérisée en ce que des premiers dispositifs d'alimentation (13) sont formés à la périphérie par un rouleau de transport (30) étant enlacé partiellement en direction périphérique par le fil (4) avec au moins une voie de passage de fil (31) ayant une forme zigzag, en ce que le rouleau de transport (30) est relié à un mécanisme d'entraínement (46) et en ce que chaque rouleau de transport (30) d'un poste de traitement peut être entraíné indépendamment du deuxième dispositif d'alimentation (21) du poste de traitement et indépendamment de rouleaux de support adjacents de postes de traitement adjacents.
  22. Machine de texturation par fausse torsion selon la revendication 20 ou 21, caractérisée en ce que le rouleau de transport (30) est relié au mécanisme d'entraínement (46) avec possibilité de couplage et/ou de façon détachable.
  23. Machine de texturation par fausse torsion selon l'une des revendications 20 à 22, caractérisée en ce que le mécanisme d'entraínement est réalisé en tant que moteur électrique (46).
  24. Machine de texturation par fausse torsion selon la revendication 20 ou 22, caractérisée en ce que le mécanisme d'entraínement est constitué d'un frein à courants parasites (61) avec une unité d'entraínement (59).
  25. Machine de texturation par fausse torsion selon l'une des revendications 18 à 24, caractérisée en ce que le rouleau de transport (30) peut être manié de telle manière dans le poste de traitement au moyen d'un dispositif d'application (17) réglable en hauteur qu'au début du processus le fil (4) peut être mis en place sur le rouleau de transport (30) au moyen du dispositif d'application (17).
  26. Machine de texturation par fausse torsion selon la revendication 25, caractérisée en ce que le rouleau de transport (30) réalisé en tant que premier dispositif d'alimentation, le dispositif de chauffage (18) et la barre de refroidissement (19) sont agencés l'un derrière l'autre dans un plan pour réaliser un trajet de fil droit et en ce que le rouleau de transport (30) est agencé sur la face d'un bâti de bobinage (1) de la machine, la face étant détournée d'une plate-forme de service (5) et lequel rouleau de transport (30) pouvant être manié au moyen d'un dispositif d'application (17).
  27. Machine de texturation par fausse torsion selon l'une des revendications précitées pour texturer une multiplicité de fils thermoplastiques dans respectivement un poste de traitement, qui comprend une bobine d'alimentation (7), un premier dispositif d'alimentation (13), un premier chauffage allongé (18), une barre de refroidissement allongée (19), un dispositif de fausse torsion (20), un deuxième dispositif d'alimentation (21) ainsi qu'un dispositif d'enroulement (9), la machine de texturation par fausse torsion étant assemblée de telle manière d'un bâti de râtelier (2), d'un bâti de bobinage (1) et d'un bâti d'opération (3) que plusieurs bobines d'alimentation (7) sont agencées l'une au-dessus de l'autre dans le bâti de râtelier (2) et que plusieurs dispositifs d'enroulement (9) sont agencés l'un au-dessus de l'autre dans le bâti de bobinage (1), le premier dispositif d'alimentation (13) et le premier chauffage (18) s'appuyant sur le bâti de bobinage (1) et la barre de refroidissement (19) étant agencée au-dessus d'une platte-forme de service (5) formée entre le bâti de bobinage (1) et le bâti d'opération (3), caractérisée en ce que le premier dispositif d'alimentation (13), le premier chauffage (18) et la barre de refroidissement (19) étant agencés l'un derrière l'autre dans un plan pour la réalisation d'un trajet de fil droit et en ce que le premier dispositif d'alimentation (13) étant agencé au niveau de la face du bâti de bobinage (1) détournée de la plate-forme de service (5) et lequel dispositif d'alimentation (13) pouvant être manié au moyen d'un dispositif d'application (17).
  28. Machine de texturation par fausse torsion selon l'une des revendications 25 à 27, caractérisée en ce que le dispositif d'application (17) peut être manié à partir de la plate-forme de service (5).
  29. Machine de texturation par fausse torsion selon la revendication 27 ou 28, caractérisée en ce que le bâti de râtelier (2) est agencé en face du bâti de bobinage (1) du coté du premier dispositif d'alimentation (13), un couloir de doffer (6) étant formé entre le bâti de râtelier (2) et le bâti de bobinage (1).
  30. Machine de texturation par fausse torsion selon la revendication 29, caractérisée en ce que le premier dispositif d'alimentation (13) défile le fil (4) de la bobine d'alimentation (7) à l'intermédiaire d'un rouleau de déviation (11) et le transporte sans déviation au premier chauffage (18).
  31. Machine de texturation par fausse torsion selon l'une des revendications 26 à 30, caractérisée en ce que le premier dispositif d'alimentation (13) est fixé dans un support (15), qui est relié de manière fixe à un bras d'application (16) réglable en hauteur du dispositif d'application (17) et en ce que le premier dispositif d'alimentation (13) est ajustable entre une position de manoeuvre (35) et une position d'opération (34) au moyen du bras d'application (16) réglable en hauteur.
  32. Machine de texturation par fausse torsion selon la revendication 31, caractérisée en ce que le mécanisme d'entraínement (46) du rouleau de transport (30) est relié fermement au bras d'application (16) réglable en hauteur du dispositif d'application (17).
  33. Machine de texturation par fausse torsion selon l'une des revendications 26 à 32, caractérisée en ce qu'un coupe-fil (14) est agencé dans le trajet du fil en amont du premier dispositif d'alimentation (13).
  34. Machine de texturation par fausse torsion selon l'une des revendications 31 à 33, caractérisée en ce que le coupe-fil (14) est relié fermement au bras d'application (16) réglable en hauteur du dispositif d'application (17).
  35. Machine de texturation par fausse torsion selon l'une des revendications 27 à 34, caractérisée en ce que le premier dispositif d'alimentation (13) dans chaque poste de traitement peut être entraíné au moyen d'un mécanisme d'entraínement individuel.
  36. Machine de texturation par fausse torsion selon l'une des revendications précitées, caractérisée en ce que le deuxième dispositif d'alimentation (21) est formé par un rouleau de transport (30.2) enlacé partiellement par le fil (4) en direction périphérique avec au moins une voie de passage de fil (31) en forme de zigzag à la périphérie, en ce que les rouleaux de transport (30.1 ; 30.2) sont reliés à respectivement un mécanisme d'entraínement (46.1 ; 46.2) et en ce que chaque rouleau de transport (30.1 ; 30.2) d'un poste de traitement peut être entraíné indépendamment des rouleaux de transport adjacents du poste de traitement et indépendamment de rouleaux de transport adjacents de postes de traitements adjacents.
  37. Machine de texturation par fausse torsion selon l'une des revendications 20 à 36, caractérisée en ce que les mécanismes d'entraínement (46) d'un poste de traitement sont reliés à un dispositif de commande (49) et peuvent indépendamment l'un de l'autre être amorcés par le dispositif de commande (49).
  38. Machine de texturation par fausse torsion selon la revendication 37, caractérisée en ce que le dispositif de commande (49) d'un poste de traitement est relié à une unité de commande de machine.
  39. Machine de texturation par fausse torsion selon l'une des revendications 37 ou 38, caractérisée en ce que le dispositif de commande (49) d'un poste de traitement est relié à un tampon d'énergie, qui dans le cas d'un arrêt de courant permet un freinage contrôlé des mécanismes d'entraínement (46).
  40. Machine de texturation par fausse torsion selon l'une des revendications 36 à 39, caractérisée en ce que lors de l'application du fil (4) les rouleaux de transport (30) d'un poste de traitement sont entraínés avec une vitesse sensiblement égale.
  41. Machine de texturation par fausse torsion selon l'une des revendications 36 à 40, caractérisée en ce qu'au moins un des rouleaux de transport (30) d'un poste de traitement est enlacé par le fil (4) avec un angle d'enroulement plus grand que/égal à 180°.
  42. Machine de texturation par fausse torsion selon l'une des revendications 1 à 41, caractérisée en ce que chaque poste de traitement présente en aval du deuxième dispositif d'alimentation (21) un deuxième chauffage (22) et un troisième dispositif d'alimentation (23) réalisé en tant que rouleau de transport (30.3).
  43. Machine de texturation par fausse torsion selon la revendication 42, caractérisée en ce que le deuxième chauffage (22) s'appuie contre le bâti d'opération et le troisième dispositif d'alimentation (23) contre le bâti de bobinage (1).
  44. Machine de texturation par fausse torsion selon la revendication 42 ou 43, caractérisée en ce qu'un dispositif d'alimentation supplémentaire (48) réalisé en tant que rouleau de transport (30) est agencé entre le deuxième dispositif d'alimentation (21) et le deuxième chauffage (22).
  45. Machine de texturation par fausse torsion selon l'une des revendications 1 à 44, caractérisée en ce que le dispositif d'enroulement (9) et le dispositif de fausse torsion (20) d'un poste de traitement sont entraínés par des mécanismes d'entraínement individuels.
  46. Machine de texturation par fausse torsion selon la revendication 45, caractérisée en ce que le rouleau de friction (24) du dispositif d'enroulement (9) peut être entraíné par un mécanisme d'entraínement agencé de manière axiale dans le rouleau de friction (24).
  47. Machine de texturation par fausse torsion selon la revendication 45 ou 46, caractérisée en ce que le dispositif de va-et-vient (26) du dispositif d'enroulement (9) est entraíné par un moteur pas à pas.
  48. Machine de texturation par fausse torsion selon l'une des revendications 1 à 47, caractérisée en ce qu'un dispositif de préparation à cylindres (51), entraíné par un moteur à cylindres (52) est agencé en amont du dispositif d'enroulement (9).
  49. Machine de texturation par fausse torsion selon l'une des revendications 1 à 48, caractérisée en ce qu'à la périphérie le rouleau de transport (30) présente plusieurs éléments de guide-fil (37, 38) formant la voie de passage de fil (31), lesquels éléments de guide-fil (37, 38) contactent le fil (4) avec leurs arêtes de guidage (39, 45) dans les points de déviation de la voie de passage de fil (31).
  50. Machine de texturation par fausse torsion selon l'une des revendications 1 à 49, caractérisée en ce qu'un frein de fil (50) est agencé dans le trajet de fil en amont du rouleau de transport (30) et en ce que le frein de fil (50) est réalisé de manière ajustable pour la modification de la tension du fil.
  51. Procédé destiné à la texturation d'un fil synthétique, où le fil est défilé d'une bobine d'alimentation, est traité thermiquement dans un premier chauffage et refroidi dans un dispositif de refroidissement, où le fil parcourre un agrégat de fausse torsion après le refroidissement, la fausse torsion dans le fil à l'intérieur d'une zone de fausse torsion revenant en arrière jusqu'à un dispositif d'arrêt de torsion, et où le fil est retiré de la zone de fausse torsion au moyen d'un dispositif d'alimentation et est transporté à un dispositif d'enroulement, caractérisé en ce que la force de traction de fil à l'intérieur la zone de fausse torsion est ajustable au moyen du dispositif d'arrêt de torsion à l'intérieur de la zone de fausse torsion.
  52. Procédé selon la revendication 51, caractérisé en ce que la force de traction de fil du fil dans la zone de fausse torsion est plus grande que, égale à ou plus petite que la force de traction en amont de la zone de fausse torsion.
  53. Procédé selon la revendication 51 ou 52, caractérisé en ce que la force de traction peut être commandée au moyen d'un rouleau de transport entraíné.
  54. Procédé selon la revendication 53, caractérisé en ce que le mécanisme d'entraínement du rouleau de transport est relié à une commande d'entraínement qui en fonction du signal de sortie d'un capteur de force de traction de fil commande le mécanisme d'entraínement de telle manière que la force de traction de fil à l'intérieur de la zone de fausse torsion reste sensiblement constante.
  55. Procédé selon la revendication 53 ou 54, caractérisé en ce que la vitesse de fil dans la zone de fausse torsion est déterminée par le rouleau de transport entraíné et par le dispositif d'alimentation agencé en aval de la zone de fausse torsion.
  56. Procédé pour l'application d'un fil dans un poste de traitement d'une machine de texturation par fausse torsion, caractérisé en ce que les dispositifs d'alimentation du poste de traitement sont respectivement commandés par des entraínements individuels et en ce que le fil est introduit avec une vitesse d'application des dispositifs d'alimentation dans le poste de traitement.
  57. Procédé selon la revendication 56, caractérisé en ce que la vitesse d'application du premier dispositif d'alimentation est égale à la vitesse d'application du deuxième dispositif d'alimentation.
  58. Procédé selon la revendication 56 ou 57, caractérisé en ce qu'un changement de la vitesse d'application en une vitesse d'opération se fait d'après une fonction de temps prédéterminée.
  59. Procédé selon la revendication 58, caractérisé en ce que la fonction de temps pour la commande des dispositifs d'alimentation est prédéterminée de telle manière que le taux d'étirage, défini par la différence de vitesse de dispositifs d'alimentation adjacents s'ajuste seulement quand la vitesse d'opération est atteinte.
EP98905392A 1997-02-04 1998-02-03 Machine de texturation par fausse torsion Expired - Lifetime EP0906459B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01124280A EP1178139B1 (fr) 1997-02-04 1998-02-03 Machine de texturation par fausse torsion

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DE19704060 1997-02-04
DE19704060 1997-02-04
DE19705812 1997-02-15
DE19705812 1997-02-15
DE19726681 1997-02-15
DE19705811 1997-02-15
DE19705811 1997-02-15
DE19726681 1997-06-24
DE19727011 1997-06-24
DE19727011 1997-06-25
PCT/EP1998/000573 WO1998033963A1 (fr) 1997-02-04 1998-02-03 Machine de texturation par fausse torsion

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EP0906459B1 true EP0906459B1 (fr) 2002-05-22

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US (1) US6209302B1 (fr)
EP (2) EP1178139B1 (fr)
JP (2) JP4001634B2 (fr)
CN (1) CN1079853C (fr)
DE (2) DE59804187D1 (fr)
ID (1) ID21022A (fr)
TR (1) TR199801604T1 (fr)
TW (1) TW426761B (fr)
WO (1) WO1998033963A1 (fr)

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Also Published As

Publication number Publication date
EP0906459A1 (fr) 1999-04-07
TW426761B (en) 2001-03-21
EP1178139B1 (fr) 2005-04-27
CN1216076A (zh) 1999-05-05
EP1178139A2 (fr) 2002-02-06
EP1178139A3 (fr) 2002-12-11
DE59812760D1 (de) 2005-06-02
JP4001634B2 (ja) 2007-10-31
JP2000508724A (ja) 2000-07-11
TR199801604T1 (xx) 2002-05-21
US6209302B1 (en) 2001-04-03
ID21022A (id) 1999-04-08
DE59804187D1 (de) 2002-06-27
CN1079853C (zh) 2002-02-27
WO1998033963A1 (fr) 1998-08-06
JP2007211391A (ja) 2007-08-23

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