EP3168339B1 - Procédé de fonctionnement d'une broche d'une retordeuse à double fil ou à câble - Google Patents

Procédé de fonctionnement d'une broche d'une retordeuse à double fil ou à câble Download PDF

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Publication number
EP3168339B1
EP3168339B1 EP16196199.0A EP16196199A EP3168339B1 EP 3168339 B1 EP3168339 B1 EP 3168339B1 EP 16196199 A EP16196199 A EP 16196199A EP 3168339 B1 EP3168339 B1 EP 3168339B1
Authority
EP
European Patent Office
Prior art keywords
thread
balloon
spindle
twisting
thread guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16196199.0A
Other languages
German (de)
English (en)
Other versions
EP3168339A1 (fr
Inventor
Andrej Raisich
Jürgen Schnitzler
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Saurer Technologies GmbH and Co KG
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Saurer Technologies GmbH and Co KG
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Publication date
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Publication of EP3168339A1 publication Critical patent/EP3168339A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/10—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting
    • D01H1/105—Arrangements using hollow spindles, i.e. the yarns are running through the spindle of the unwound bobbins
    • D01H1/106—Two-for-one twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/10—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/10—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting
    • D01H1/101—Spinning or twisting machines in which the product is wound-up continuously for imparting multiple twist, e.g. two-for-one twisting in which multiple twist is imparted at the take-up stations
    • D01H1/103—Two-for-one twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/16—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
    • D01H1/166—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables for two-for-one type
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/244—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/26—Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • D01H7/868—Yarn guiding means, e.g. guiding tubes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/285—Doubled, plied, or cabled threads one yarn running over the feeding spool of another yarn
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/4004—Unwinding devices
    • D07B2207/4009—Unwinding devices over the head

Definitions

  • the present invention relates to a method for operating a spindle of a two-for-one twisting or cabling machine which has an adjustable balloon thread guide eye.
  • the known two-for-one twisting or cabling machines which are described in detail in numerous patents, each have a large number of identical work stations, with at least one running thread in the form of a thread balloon circling a twisting or cabling spindle in the area of each work station before it is moved by means of a spool - and winding device is wound into a take-up bobbin.
  • two threads are connected to one another with an S or a Z twist, with both threads each being given an additional twist.
  • a single or multiple plied thread is drawn upwards from a supply bobbin located in the protective cup of the spindle and into the upper end via a controllable thread feeder, which is arranged, for example, on the bobbin axis of the twisting spindle inserted into the hollow bobbin axis of the twisting spindle.
  • the plied or simple thread arrives at a rotatably mounted, drivable thread twist distribution element arranged below the protective pot and leaves the thread twist distribution element via a radial opening.
  • the thread which is plied, for example, is then guided to a stationary balloon thread guide arranged above the protective pot of the spindle and, due to the rotation of the thread twist distribution element between the thread twist distribution element and the balloon thread guide eyelet arranged above the protective pot, forms an around the Protective pot rotating thread balloon, the size of which can be adjusted by the thread feed mechanism.
  • the feed threads can come, for example, from a feed bobbin that is stored in a protective pot of the twisting spindle and onto which a plied feed thread is wound, or from two feed bobbins arranged one above the other in the protective pot of the twisting spindle, from each of which a feed thread is unwound.
  • a first supply reel is arranged in a protective pot of the cabling spindle, while a second supply reel is often kept ready in a creel that is positioned above the work station.
  • a so-called outer thread is drawn off, for example by a thread feeder, and introduced from below into the hollow bobbin axis of a rotatably mounted, drivable thread twist distribution element, which is designed, for example, as a storage disk.
  • the running outer thread leaves the storage disk via a radial opening and is then, for example, via a so-called thread discard plate arranged on the storage disk to a stationary balloon thread guide arranged above the protective pot, where it is rotated around the feed thread of the first feed bobbin, or as it is in specialist circles means being wired.
  • the outer thread forms a thread balloon rotating around the protective bowl due to the rotation of the storage disk between the thread discharge plate and the balloon thread guide eyelet arranged above the protective pot, the size of which can be adjusted during the cabling process by the thread feed mechanism arranged in the area of the thread path of the outer thread.
  • either the twisted or the cabled thread is wound up by a winding and winding device to form a take-up bobbin.
  • the supply bobbin is, for example, not arranged in a protected manner in a stationary protective pot, but is open on a component of the two-for-one twisting spindle designed as a bobbin carrier.
  • a cabling and / or two-for-one twisting spindle which, in addition to a balloon thread guide eyelet 11, has at least one, but preferably three, balloon limiting rings 32, 33, 34. While the balloon thread guide eye 11 according to the DE 101 51 167 A1 is arranged stationary above the spindle, the three balloon limiting rings 32, 33, 34, which have different diameters, are vertically adjustable.
  • the U.S. 2,729,932 A discloses a cabling or twisting spindle in which two supply bobbins and the twisting bobbin to be produced are arranged next to one another. According to the U.S. 2,729,932 A systems are shown in which the collection means such. B. a collecting disc, driven synchronously with the supply bobbins and the twisting bobbin.
  • the U.S. 2,729,932 A discloses that the balloon size of the cabling or twisting spindle is controlled by varying the rate at which material is removed from the balloon.
  • the workplaces of these known two-for-one twisting or cabling machines each have a stationary protective pot to hold at least one supply bobbin, a rotatably mounted twisting or cabling spindle and a device for influencing the thread tension, for example a thread feeder.
  • the work stations of these known textile machines also each have a stationary balloon thread guide.
  • the work stations of these known textile machines should each be equipped with a vertically adjustable thread balloon guide.
  • the EP 2 260 132 B1 no information regarding the design of the vertically adjustable thread balloon guide can be found.
  • the reference also does not contain any indications as to how or where the thread balloon guides should advantageously be positioned.
  • a ring spinning machine is described, the balloon thread guides of which are mounted so that they can be adjusted in height, as is customary in such textile machines. That is, the ring spinning machine has several machine banks arranged one above the other on both of its longitudinal machine sides, with further, vertically movably mounted machine banks being installed above a stationary spindle bank, as is known.
  • the balloon thread guides of the numerous workplaces of the ring spinning machine are arranged on the top of these vertically movably mounted machine banks.
  • a ring spinning machine with a comparable arrangement of the balloon thread guides is also through the EP 1 071 837 B1 known.
  • the balloon thread guides of the numerous work stations are also each arranged in a tiltable manner on the associated, vertically displaceable machine bench.
  • Such a tiltable arrangement of the balloon thread guides is intended to improve access to the ring spinning spindles and thus to considerably improve the automation of the bobbin changing process of the ring spinning machine.
  • the invention is based on the object of developing a method which enables safe and energy-saving operation of a spindle of a two-for-one twisting or cabling machine equipped with an adjustable balloon thread guide eyelet.
  • the balloon thread guide eyelet is adjusted to a first working position on the basis of a measured variable correlating to the energy consumption of the spindle drive, in which a position-dependent minimum of the energy consumption of the spindle drive is achieved and that which is dependent on the twisting parameters
  • the first working position of the balloon thread guide eyelet to be approached is set via a control loop and readjusted during operation of the spindle, with a measured variable correlating to the energy consumption of the spindle drive serving as the control variable.
  • the method according to the invention has the particular advantage that it is ensured at all times during operation of the work station that the balloon thread guide eyelet is always positioned in an advantageous working position. That is, depending on a measured variable that is provided by a device that monitors the energy consumption of the spindle drive, the balloon thread guide eyelet is immediately shifted to a first working position and readjusted in which the spindle drive has a minimum of energy consumption.
  • a control circuit is connected to an adjustment drive of the balloon thread guide eyelet, which regulates the adjustment drive so that it always displaces and holds the balloon thread guide eyelet in an advantageous working position.
  • the control loop is also connected to a device that, for example, monitors the energy consumption of the spindle drive and generates a measured variable from it. This measured variable is then processed by the control loop in such a way that the adjustment drive of the balloon thread guide eyelet is caused to move the balloon thread guide eyelet into an advantageous working position.
  • the control loop preferably works in such a way that measured variables that are related to a specific event at the relevant work station, e.g. spindle start, thread break, end of run time or lot change, immediately contribute to a defined control of the adjustment drive of the balloon thread guide eyelet and thus to an advantageous positioning in a hereinafter referred to as the starting position or an optimal working position can be used.
  • a specific event at the relevant work station e.g. spindle start, thread break, end of run time or lot change
  • Such a mode of operation of the control loop ensures that the balloon thread guide eyelet is advantageously positioned at all times during operation of the work station.
  • the respective first working position of the balloon thread guide eyelet to be approached which is dependent on twisting parameters, is determined beforehand and can be called up for the twisting section to be processed to control an adjustment drive for the balloon thread guide eyelet.
  • Such an embodiment has the advantage, among other things, that working conditions can be created shortly after the start of a thread section at a work site by optimally positioning the balloon thread guide eyelet in a first work position, which ensure proper, energetically favorable, i.e. economical operation of the work site .
  • the work station can be easily, reliably and quickly adapted to the new requirements with every batch change, i.e. the balloon thread guide eyelet can be shifted directly to a first work position depending on the new twisting parameters and can be optimally positioned there.
  • an advantageous embodiment of the method according to the invention is provided when the power consumption of the spindle drive or the size of a thread balloon or the thread tension of an outer thread forming the thread balloon serves as the measured variable correlating to the energy absorption of the spindle.
  • the device for recording a measured variable is, for example, a measuring device that monitors the energy requirement of the spindle drive while the workstation is in operation.
  • Such a measuring device determines the current that is taken up by the spindle drive during operation of the work station and generates a measured variable from this, which enables information about the current operating status of the work station, especially the size of the thread balloon and thus the position of the balloon thread guide eyelet. That is, the measuring device creates a measured variable by measuring the power or the torque of the drive device of the spindle, which is specified by the size of the thread balloon and used by the control loop to advantageously position the balloon thread guide eyelet by means of an associated adjustment drive.
  • the device for detecting a measured variable that can be processed by the control loop can, however, also be designed as a sensor device which optically detects the size of a thread balloon encircling the spindle during operation of the work station.
  • the sensor device is designed, for example, as a light barrier which has a light source and a light receiver and which scans the rotating thread balloon with a light beam.
  • the thread forming the thread balloon causes disturbances during each revolution due to shadowing of the light beam, which are processed by the sensor device into a measured variable and passed on to the control loop.
  • Such light barriers are not only relatively inexpensive, but also have a very high sensitivity and rapid response, so that the rotating thread balloon is always scanned quickly and reliably.
  • a thread tension sensor can also be used as a device for detecting a measured variable, which is arranged in the area of the thread path of a twisted or cabled thread, preferably between the balloon thread guide eyelet and a thread feeder upstream of a winding and winding device.
  • Such a thread tension sensor connected to the control loop is able to generate a measured variable from the measured thread tension, on the basis of which the control loop causes the adjustment drive of the balloon thread guide eyelet to optimally position the balloon thread guide eyelet of the work site.
  • the thread tension of the outer thread forming the thread balloon is increased by means of an adjustable thread tension influencing device designed as a thread feeder or thread brake so that the thread balloon is reduced to a size for the operation of the spindle has not yet touched the twist pot of a supply bobbin.
  • an adjustable thread tension influencing device designed as a thread feeder or thread brake so that the thread balloon is reduced to a size for the operation of the spindle has not yet touched the twist pot of a supply bobbin.
  • the thread tension of a rotating thread balloon can be adjusted very finely with both a thread feed mechanism and a thread brake, that is, such a controllable thread tension influencing device, in conjunction with an advantageous working position of the balloon thread guide eyelet, enables the size and shape of the rotating thread balloon to be optimized at any time Significant reduction in the energy consumption of the spindle drive for the job in question.
  • the balloon thread guide eyelet with a further reduction in energy consumption in Thread running direction is moved back to a further second working position, when exceeded, the energy consumption of the spindle increases again.
  • the balloon diameter is determined on a plane that is either in the area of the upper edge with the largest outer diameter of the protective pot or in the area of the largest thread balloon diameter.
  • the arrangement, for example, of a light barrier in one of these areas is advantageous because there is not only space in these areas for the installation of a light barrier, but also because there is always a clear view of the circulating thread balloon on these levels. This means that by installing a light barrier on one of these levels, proper monitoring of the diameter of the rotating thread balloon is guaranteed at all times.
  • FIG. 1 is shown schematically in side view a work station 1 of a two-for-one twisting or cabling machine.
  • the work station 1 is equipped with a spindle 2 designed as a cabling spindle.
  • the work station 1 has a balloon thread guide loop 9, which can be adjusted in height by means of an adjusting drive 18 and optionally positioned in a starting position referred to as the rest position RS or in a first working position AP 1.
  • the adjusting drive 18 is connected to a control loop 20, which is also connected to a device 21 for generating a measured variable i.
  • a creel 4 (not shown in detail), which as a rule serves to accommodate several supply bobbins 7.
  • a so-called outer thread 5 is drawn off, which is deflected several times and threaded into the hollow rotation axis of the spindle drive 3 in the area of an axis of rotation 35 of the cabling spindle 2.
  • the outer thread 5 leaves the hollow axis of rotation of the spindle drive 3 through a so-called thread outlet bore which is arranged slightly below a protective pot 19 and points radially outwards and arrives at the outer area of a thread deflection device 8, which is also rotatably mounted about the axis of rotation 35.
  • the running outer thread 5 When leaving the thread deflection device 8, the running outer thread 5 is deflected upwards and, forming a thread balloon B, the shape and size of which is determined, among other things, by the position of the balloon thread guide eyelet 9 and which encircles the protective pot 19, reaches the balloon thread guide eyelet 9, which at the beginning of the cabling process is positioned in a rest position RS.
  • the outer thread 5 meets an inner thread 16, which is simultaneously withdrawn overhead from a second supply reel 15, which is stored in the protective pot 19 of the cabling spindle 2.
  • the protective pot 19, which has, for example, a hood 6 with a thread brake 10, is arranged on the rotatably mounted thread deflection device 8 and is secured against rotation, preferably by a magnetic device (not shown).
  • the rotatably mounted thread deflection device 8 of the cabling spindle 2 is acted upon by a drive, that is, either, as shown in the present embodiment, a direct drive in the form of a spindle drive 3 or an indirect drive device (known per se, not shown) is provided.
  • the winding and winding device 12 has, inter alia, a drive roller 17 which drives the take-up bobbin 14 in a frictionally engaged manner during the working process.
  • the balloon thread guide eyelet 9 is mounted so as to be vertically displaceable and is connected to an adjustment drive 18, which in turn is connected to a control circuit 20 which is connected to a device for detecting a measured variable i.
  • this device is a measuring device 21 which monitors the energy consumption of the spindle drive 3 while the workstation 1 is in operation. This means that the measuring device 21 provides the control circuit 20 with a measured variable i that the control circuit 20 uses to control the adjustment drive 18 when the spindle 2 has reached its operating speed and accordingly the energy consumption of the spindle drive 3 has reached a certain level.
  • the adjusting drive 18 is regulated so that it moves the balloon thread guide eyelet 9 from its rest position RS into a first working position AP 1 , in which the thread balloon B2 has a significantly lower height and also a significantly smaller diameter D2 than the thread balloon B1 the diameter D1, which is present when the balloon thread guide eyelet 9 is positioned in the rest position RS.
  • the reduction in size of the thread balloon B achieved by shifting the balloon thread guide loop 9 into the working position AP 1 also immediately leads to a significant reduction in the air friction to be overcome during the rotation of the thread balloon through the thread 5, with the result that the energy requirement of the spindle drive 3 of the work station 1 becomes significantly lower.
  • the device for detecting a measured variable i is a sensor device 25 which is designed as a light barrier, that is, the sensor device 25 has a light source 26 and a light receiver 27.
  • the rotating thread of the thread balloon B in the exemplary embodiment the outer thread 5 coming from the first supply bobbin 7, intermittently shades a light beam 28 from the light barrier with each rotation of the thread balloon B, which in connection with the current speed of the spindle 2 provides information about the size of the thread balloon B.
  • the size of the thread balloon B can be monitored relatively easily and, when a certain size of the thread balloon B has been reached, which indicates, for example, that the operating speed of the spindle drive 3 has been reached, a Measured variable i can be transmitted to control loop 20.
  • control circuit 20 then ensures that the adjustment drive 18 optimizes the balloon thread guide eye 9 with regard to its position, that is, the adjustment drive 18 transfers the balloon thread guide eye 9 from its rest position RS to the working position AP 1 and also adjusts if necessary.
  • the device for detecting a measured variable i is a thread tension sensor 24 which is arranged in the thread path of a cord 13 between the balloon thread guide eyelet 9 and the winding and winding device 12.
  • the thread tension of the cord 13 is monitored, which is dependent, for example, on the size of the rotating thread balloon B1.
  • the thread tension sensor 24 generates a measured variable i when the thread tension reaches a predetermined limit value, which indicates that the cabling spindle 2 has reached its operating speed.
  • the control circuit 20 ensures that the adjustment drive 18 transfers the balloon thread guide eyelet 9 to the first working position AP 1 , which in turn leads to a smaller thread balloon B2 and thus to a reduction in the air friction to be overcome by the thread balloon has a positive effect on the energy requirements of the spindle drive 3. That is, by moving the balloon thread guide eyelet 9 from the rest position RS to the first working position AP 1 , it is possible to significantly reduce the energy requirement of the spindle drive 3 of the work station 1.
  • a work station 1 of a cabling machine which has a control circuit 20 connected to the adjusting drive 18 for the balloon thread guide eyelet 9, a thread tension influencing device 22 connected to the thread path of the outer thread 5 and, at the same time, several devices for detecting a measured variable i. That is, in the present exemplary embodiment, the workstation 1 has a thread tension influencing device 22 connected to the control circuit 20 and two devices for detecting a measured variable i.
  • One of these devices for detecting a measured variable i is, for example, a measuring device 21 that monitors the energy consumption of the spindle drive 3 during operation of the workstation 1, the other device for detecting a measured variable i is a thread tension sensor 24 that scans the cord 13 and, for example, just barely is installed below a thread conveyor 11.
  • the devices for detecting a measured variable i can also be designed differently;
  • a sensor device 25 designed as a light barrier can also be used, which monitors the rotating thread of a thread balloon.
  • Such a sensor device 25 can be used in addition to the devices 21 and 24 or can also be used instead of one of the devices 21 or 24.
  • the thread tension influencing device 22 switched into the thread path of the outer thread 5 is, for example, a controllable yarn feed mechanism or a controllable yarn brake.
  • control loop 20 depending on the measured variables i of the devices 21 and / or 24 and / or 25, not only always reliably ensures that the adjustment drive 18 advantageously positions the balloon thread guide eyelet 9 at all times, but also ensures, that the thread tension influencing device 22 keeps the thread tension in the area of the thread balloon B2 at an optimal value.
  • the Fig. 5 shows a workstation 1 of a cabling machine on a slightly larger scale.
  • the balloon thread guide eyelet 9 can optionally be shifted between a rest position RS, which is advantageous during production interruptions, and first or second work positions AP 1 , AP 2 which are dependent on spinning parameters.
  • the balloon thread guide eyelet 9 can of course also be positioned in intermediate working positions resulting in connection with transient working phases. That is, the control circuit 20 is designed so that, depending on a measured variable i provided, for example, by a measuring device 21, the adjustment drive 18 for the balloon thread guide eyelet 9 is regulated so that the balloon thread guide eyelet 9 first moves from its rest position RS into a first working position AP 1 is displaced, in which the thread balloon B2 has a diameter D2.
  • the balloon thread guide eyelet 9 is then transferred into a second working position AP 2 by an adjusting drive 18 to which the control circuit 20 is connected, which, as can be seen, results in a thread balloon B3 with a smaller diameter D3 and thus leads to a reduction in the air friction to be overcome by the thread 5 of the thread balloon.
  • the thread tension of the outer thread 5 is increased somewhat by means of the thread tension influencing device 22, which is designed, for example, as a thread feed mechanism, whereby the diameter of the thread balloon B3 is again slightly reduced, which also has a positive effect on the energy requirement of the spindle drive 3.
  • the working positions of the balloon thread guide eyelet 9 naturally also result in a large number of working positions between the first working position AP 1 and the second working position AP 2 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Claims (8)

  1. Procédé d'utilisation d'une broche (2) d'une retordeuse double torsion ou d'une machine de câblage, dotée d'un œillet de guidage du fil du ballon (9) réglable,
    caractérisé en ce que
    pour le fonctionnement de la broche (2) dans des conditions de production, l'œillet de guidage du fil du ballon (9) est ajusté sur la base d'une valeur de mesure (i) en corrélation avec l'énergie absorbée par l'entraînement de la broche (3) à une première position de travail (AP = 1) dans laquelle un minimum de l'énergie absorbée de l'entraînement de la broche (3) en fonction de la position est atteint et
    la première position de travail (AP1), dépendante des paramètres de torsion, de l'œillet de guidage du fil du ballon (9) à atteindre est réglée au moyen d'un circuit de régulation (20) et réajustée pendant le fonctionnement de la broche (2), sachant que une valeur de mesure (i) en corrélation avec l'énergie absorbée par l'entraînement de la broche (3) sert de valeur de régulation.
  2. Procédé selon la revendication 1, caractérisé en ce que la première position de travail (AP1), dépendante des paramètres de torsion, de l'œillet de guidage du fil du ballon (9) est déterminée au préalable et peut être activée, pour la partie torsion à traiter, pour le pilotage d'un entraînement de réglage (18) de l'œillet de guidage du fil du ballon (9).
  3. Procédé selon l'une des revendications 1 à 2, caractérisé en ce que la consommation électrique de la broche (3), la taille d'un ballon de fil (B) ou la force de traction d'un fil extérieur (5) formant le ballon de fil (B) sont utilisées comme valeur de mesure (i) en corrélation avec l'énergie absorbée par la broche (2).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la force de traction du fil extérieur (5) formant le ballon de fil (B) est augmentée au moyen d'un dispositif de réglage de la tension du fil réglable (22) réglable et formé par le système d'approvisionnement en fil ou le système de freinage de fil, de manière que le ballon de fil (B) pour le fonctionnement de la broche (2) soit réduit à une valeur lui permettant ne de pas encore entrer en contact avec un cache de protection (19) qui entoure une bobine d'alimentation (15).
  5. Procédé selon la revendication 4, caractérisé en ce que, après le réglage de la force de traction par le dispositif de réglage de la tension de fil réglable (22), l'œillet de guidage du fil du ballon (9) est ramené, avec la poursuite de la baisse de la consommation électrique dans le sens du cheminement du fil, à une deuxième position de travail (AP2) au-delà de laquelle l'énergie absorbée par la broche (2) augmente à nouveau.
  6. Procédé selon la revendication 5, caractérisé en ce que la deuxième position de travail (AP2) de l'œillet de guidage du fil du ballon (9) est déterminée au préalable et peut être activée pour la partie torsion à traiter, pour le pilotage d'un entraînement de réglage (18) pour l'œillet de guidage du fil du ballon (9).
  7. Procédé selon la revendication 5, caractérisé en ce que le diamètre du ballon (D2) est déterminé en tant que valeur de mesure (i) en corrélation avec la consommation d'énergie de l'entraînement de la broche sur un plan se trouvant dans la zone du bord supérieur avec le plus grand diamètre extérieur du cache de protection (19).
  8. Procédé selon la revendication 5, caractérisée en ce que le diamètre du ballon (D2) est déterminé en tant que valeur de mesure (i) en corrélation avec la consommation d'énergie de l'entraînement de la broche sur un plan se trouvant dans la zone du plus grand diamètre du ballon de fil B.
EP16196199.0A 2015-11-09 2016-10-28 Procédé de fonctionnement d'une broche d'une retordeuse à double fil ou à câble Active EP3168339B1 (fr)

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DE102015014383.2A DE102015014383A1 (de) 2015-11-09 2015-11-09 Verfahren zum Betreiben einer Spindel einer Doppeldrahtzwirn- oder Kabliermaschine

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CN109457334B (zh) * 2018-11-28 2021-09-21 武汉纺织大学 一种倍捻式纺纱方法
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Publication number Publication date
CN106676690A (zh) 2017-05-17
DE102015014383A1 (de) 2017-05-11
US20170130369A1 (en) 2017-05-11
CN106676690B (zh) 2019-03-01
EP3168339A1 (fr) 2017-05-17
ES2876031T3 (es) 2021-11-11
US10196761B2 (en) 2019-02-05

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