EP3168338B1 - Poste de travail d'une retordeuse à double fil ou à câble - Google Patents

Poste de travail d'une retordeuse à double fil ou à câble Download PDF

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Publication number
EP3168338B1
EP3168338B1 EP16196197.4A EP16196197A EP3168338B1 EP 3168338 B1 EP3168338 B1 EP 3168338B1 EP 16196197 A EP16196197 A EP 16196197A EP 3168338 B1 EP3168338 B1 EP 3168338B1
Authority
EP
European Patent Office
Prior art keywords
thread
balloon
workstation
twisting
drive
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
EP16196197.4A
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German (de)
English (en)
Other versions
EP3168338A1 (fr
Inventor
Andrej Raisich
Jürgen Schnitzler
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.)
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 EP3168338A1 publication Critical patent/EP3168338A1/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
    • 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 work station of a two-for-one twisting or cabling machine, which has a rotatably mounted spindle and a balloon thread guide eye that is height-adjustable by means of a drive.
  • twisting Since a simple thread with regard to its strength and / or its evenness can often not meet the requirements that are placed on it during further processing or the end product, it is common in the textile industry to initiate a yarn refinement by using two or more threads twisted together.
  • This textile process of yarn refinement is generally referred to as twisting, although a distinction is made between different types of twisting, for example between two-for-one twisting and cabling.
  • two threads are often connected to one another with an S or a Z twist, with both threads each being given an additional twist.
  • a second thread is rotated around a feed thread, the rotation of the individual thread essentially remaining unchanged.
  • the feed threads can originate, for example, from a plied feed bobbin, which is stored in a protective pot of the twisting spindle, or a feed thread is unwound from two feed bobbins arranged one above the other in the protective pot of the twisting spindle.
  • thread encompasses all linear structures, such as yarns, film tapes, tubular and tape-shaped textiles and the like.
  • thread is used in the context of this application for all possible alternative embodiments.
  • At least one running thread in the form of a thread balloon circles a twisting or cabling spindle in the area of each work station before it is wound into a take-up bobbin by means of a winding device.
  • a cylindrical thread guide arranged between the balloon limiter and the supply bobbin is provided in these known twin-wire spindles, which surrounds the supply bobbin at the top edge of the balloon limiter.
  • 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 two-for-one twisting or cabling machines described usually have a large number of juxtaposed, usually identically designed work stations, the work stations each having a stationary protective pot to accommodate at least one supply bobbin, a twisting or cabling spindle and a device for influencing the thread tension.
  • the plied thread is deflected downwards at the thread feed mechanism and arrives at a rotatably mounted, drivable thread twist distribution element which is arranged below the protective pot and which is designed, for example, as a so-called twist plate.
  • the running, plied thread leaves the twisting plate, which can be designed, for example, as an ejection plate with storage disk, via a radial opening arranged in the twisting plate and is then guided to a stationary balloon thread guide arranged above the protective pot. Due to the rotation of the twisting plate between the twisting plate and the balloon thread guide eyelet arranged above the protective pot, the pinned thread forms a thread balloon rotating around the protective pot, the size of the thread balloon being set during the twisting process being adjustable by the thread feed mechanism.
  • a first supply reel is positioned in a protective pot at the work station, while a second supply reel is arranged in an associated creel.
  • a so-called outer thread is drawn off by a defined controllable thread feed mechanism 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 twist plate.
  • the running outer thread leaves the storage disk via a radial opening and is then guided, for example via the twisting plate, to a stationary balloon thread guide arranged above the protective pot.
  • the outer thread Due to the rotation of the twisting plate between the twisting plate and the balloon thread guide eyelet arranged above the protective pot, the outer thread also forms a thread balloon rotating around the protective pot, the size of which can be adjusted by the thread feeder during the cabling process.
  • both the twisted and the cabled thread are wound up by a winding device to form a take-up bobbin.
  • Textile machines with movably mounted balloon thread guides or balloon thread guide eyes are also known in connection with ring spinning machines.
  • 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. At the top of these vertically movable machine banks the balloon thread guides of the numerous workplaces of the ring spinning machine are arranged. With such an arrangement, all balloon thread guides on one side of the machine are always displaced together during the spinning operation; a separate control of the balloon thread guide of an individual work station is not possible.
  • the work stations are each equipped with a vertically adjustable thread balloon guide.
  • the production speed of the work stations is to be increased by appropriate positioning of the thread balloon guide, while the yarn quality is to be maintained.
  • this reference does not contain any information.
  • the invention is based on the object of creating a workstation of a two-for-one twisting or cabling machine which is designed so that the balloon thread guide eyelet of a workstation, which is height-adjustable by a drive, can always be positioned in an optimal operating position.
  • this object is achieved in that the drive is coupled to a control device that controls the drive so that it shifts the balloon thread guide eyelet between working positions that are dependent on production parameters and a rest position during production interruptions and related transient working phases and that a device for recording a measured variable is available that is available to the control device and which causes the regulation of the drive to change the position of the balloon thread guide eyelet.
  • the device 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 advantageously positioned. That is, a control device immediately ensures that the drive positions the balloon thread guide eyelet in an optimal operating position as a function of a measured variable that is provided by an assigned device. In the event of production interruptions, the balloon thread guide eyelet is positioned, for example, in a rest position in which the spindle of the work station is easily accessible to the operating personnel.
  • the device for detecting a measured variable is a measuring device which monitors the energy consumption of the spindle drive during operation of the work station.
  • the current that is picked up by the spindle drive is determined by means of a measuring device and a measured variable is generated therefrom, which enables information about the current operating status of the work site, especially the size of the thread balloon and thus the position of the balloon thread guide eyelet.
  • the measuring device by measuring the power or the torque of the drive device of the spindle, creates a measured variable which can be used by the control device in order to advantageously position the balloon thread guide eyelet by means of an associated drive.
  • the measuring device for detecting a measured variable that can be processed by the control device can, however, also have other embodiments.
  • a time measuring device can also be used which, for example, sets a measured variable after a certain period of time that the workplace needs to run up to operating speed again after a standstill, which the control device processes in such a way that the drive is caused to move the balloon thread guide eyelet from a rest position to a working position.
  • the device for detecting a measured variable can also be designed as a sensor device which 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 generates a signal with each revolution by shading the light beam, which is processed by the sensor device to a measured variable and passed on to the control device.
  • 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 rest position of the balloon thread guide eyelet and a thread feed mechanism upstream of the winding device.
  • Such a thread tension sensor connected to the control device is also able to generate a measured variable from the measured thread tension, on the basis of which the control device then causes the balloon thread guide eyelet to be optimally positioned at the work site.
  • each of the work stations of the two-for-one twisting or cabling machine is also equipped with an adjustable thread tension influencing device, which is designed, for example, as a thread feed mechanism or as a thread brake.
  • 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, one
  • Such 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 circulating thread balloon to be optimized at any time, and thus a significant reduction in the energy requirement of the job in question.
  • control device is also designed in such a way that, during operation of the work station, together with the thread tension control device, it ensures that the balloon thread guide eye is moved from a first working position to a second working position in order to reduce the energy consumption of the spindle drive, with the balloon thread guide eye in the second working position is preferably arranged between the first working position and the rest position of the balloon thread guide eyelet.
  • the control device is preferably designed in such a way that signals related to a specific event at the relevant work station, e.g. spindle start, thread breakage, end of run time or lot change, immediately lead to a defined control of the drive of the balloon thread guide eyelet and thus to an advantageous positioning in a rest position or a working position can be used.
  • the design of the control device ensures that the balloon thread guide eyelet is advantageously positioned at all times during operation of the work station. That is, the control device immediately ensures that a drive positions the balloon thread guide eyelet optimally according to the event, depending on a measured variable which is provided by an assigned device and which is related to a specific event at the relevant work site.
  • Fig. 1 is shown schematically in side view a work station 1 of a cabling machine with a balloon thread guide eyelet 9, which is adjustable in height by a drive 18.
  • the drive 18 is connected to a control device 20.
  • the work station 1 is at a standstill, that is, the spindle drive 3 is switched off; the spindle 2 does not rotate.
  • a (not shown in detail) creel 4 is positioned above or behind the work station 1, which usually serves to receive a plurality of supply bobbins 7.
  • a so-called outer thread 5 is drawn off from at least one of these supply bobbins 7, hereinafter referred to as the first supply bobbin 7.
  • the outer thread 5 withdrawn from the first supply bobbin 7 is deflected several times before it enters the hollow axis of rotation of the spindle drive 3 in the area of an axis of rotation 35 of the 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 region of a thread deflection device 8.
  • the outer thread 5 is deflected upwards in the area of the thread deflecting device 8 and arrives at a balloon thread guide eyelet 9, where it meets an inner thread 16.
  • the work station 1 has a rotatably mounted spindle 2 and a thread deflection device 8 which rotates about an axis of rotation 35.
  • a protective pot 19 is arranged on the thread deflecting device 8 and has a hood 6 with a thread brake 10.
  • a second supply bobbin 15 is stored in the protective pot 19, from which the so-called inner thread 16 is withdrawn overhead, which arrives via the thread brake 10 to the balloon thread guide eyelet 9 arranged above the spindle 2, where it makes contact with the outer thread 5.
  • the protective pot 19, which receives the second supply bobbin 15 and which is mounted on the rotatable thread deflection device 8, is secured against rotation, preferably by a magnetic device (not shown).
  • the rotatably mounted thread deflection device 8 of the spindle 2 is acted upon by a drive. This means that either, as in the present exemplary embodiment, a direct drive in the form of a spindle drive 3 is provided, or, for example, in FIG Fig. 8 shown, an indirect drive device.
  • the threads (outer thread 5 and inner thread 16) that meet in the balloon thread guide eyelet 9 pass via a thread conveying device 11 to a winding and winding device 12, where they are wound up to form a take-up bobbin 14.
  • Cords are twisted, cabled or twisted yarns.
  • 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 a drive 18 which in turn is connected to a control device 20 which is connected to a timing device 23 is.
  • the control device 20 ensures that when the work station 1 is stationary, the drive 18 positions the balloon thread guide eyelet 9 in a rest position RS in which the balloon thread guide eyelet 9 is slightly raised. That is, the balloon thread guide eyelet 9 is positioned so that there is a relatively large distance between the balloon thread guide eyelet 9 and the hood 6 of the protective pot 19, which has a positive effect on the accessibility of the spindle 2 or the protective pot 19.
  • the Fig. 2 shows the work station 1 described above during operation, that is, while a cord 13 is being cabled at the work station, for example.
  • an outer thread 5 is withdrawn from a first supply bobbin 7 arranged in a creel 4, which, deflected several times, runs into the hollow rotation axis of the spindle drive 3 in the area of the axis of rotation 35 of the spindle 2.
  • the outer thread 5 leaves the hollow axis of rotation of the spindle drive 3, as is known, through a so-called thread outlet bore which is arranged slightly below a protective pot 19 and points radially outward and is part of a rotating 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, to the balloon thread guide eyelet 9, where it opens the inner thread 16 hits, which is simultaneously drawn overhead from a second supply bobbin 15, which is stored in a protective pot 19 of the spindle 2.
  • the outer thread 5 and the inner thread 16 are cabled to form a cord 13, which is transported by the thread conveyor 11 to the winding and winding device 12 and wound up there to form a take-up bobbin 14.
  • the balloon thread guide eyelet 9 which is vertically adjustable by means of a drive 18, is initially positioned in a rest position RS.
  • the thread balloon B1 then has a relatively large height and a relatively large diameter D1 on.
  • the time which the spindle 2 needs to reach its operating speed is monitored by means of the time measuring device 23. That is, the time measuring device 23 provides the control circuit 20 with a measured variable i which the latter uses to control the drive 18. However, the time measuring device 23 can also work with a fixed value, after which it provides the control circuit 20 with a measured variable i.
  • FIG. 3 The illustrated embodiment of a work station 1 of a cabling machine differs only slightly in its structural design from the one above with reference to FIG Figures 1 and 2 described embodiment. The following description of the Fig. 3 is therefore essentially limited to a brief explanation of the differences.
  • the drive 18 for positioning the balloon thread guide eyelet 9 is coupled to a control device 20, which in turn is connected to a device for detecting a measured variable, which in the embodiment shown is a measuring device 21 that monitors the energy consumption of the spindle drive 3 during operation of the workstation 1 .
  • a measuring device 21 that monitors the energy consumption of the spindle drive 3 during operation of the workstation 1 . This means that when the spindle 2 reaches its operating speed and the energy consumption of the spindle drive 3 has reached a certain level, the measuring device 21 provides the control device 20 with a measured variable i which the control device 20 uses to control the drive 18.
  • the drive 18 is regulated, for example, in such a way that it displaces the balloon thread guide eyelet 9 from its rest position RS into its working position AP, in which the thread balloon B2 has a significantly smaller height and also a significantly smaller diameter D2. In this way it is possible to significantly reduce the energy requirement of the spindle drive 3 of the work station 1.
  • the device for detecting a measured variable i is a sensor device 25 which is designed as a light barrier, that is to say has a light source 26 and a light receiver 27.
  • Such optically working light barriers are shaded by the running thread of a rotating thread balloon B, in the exemplary embodiment the outer thread 5 coming from the first supply bobbin 7, intermittently from a light beam 28 with each revolution of the thread balloon B, which provides information about the current speed of the spindle 2 and the diameter of the thread balloon B allows.
  • a sensor device 25 connected to the control device 20 and formed as a light barrier, not only can the diameter of the thread balloon B be determined, but also the speed of the spindle 2 can be monitored relatively easily and a measured variable i can be transmitted to the control device 20 when the operating speed is reached become.
  • the control device 20 then ensures that the drive 18 optimizes the balloon thread guide eyelet 9 with respect to its position, that is, the drive 18 transfers the balloon thread guide eyelet 9 from its rest position RS to the working position AP.
  • 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 shortly before the winding and winding device 12. With such a thread tension sensor 24, the thread tension of the cord 13 is monitored and a measured variable i is generated when the thread tension reaches a predetermined limit value.
  • control device 20 When such a measured variable i is obtained, the control device 20 then ensures, as usual, that the drive 18 moves the balloon thread guide eyelet 9 into the working position AP, which leads to a smaller thread balloon and thus to a reduction in the thread tension.
  • a work station 1 of a cabling machine which has a control device 20 connected to the drive 18 for the balloon thread guide eyelet 9, various devices for detecting a measured variable i and a thread tension influencing device 22 connected to the thread path of the outer thread 5.
  • one of the devices connected to the control device 20 for detecting a measured variable i is a measuring device 21, which, as above, is based on the Fig. 3 stated, the energy consumption of the spindle drive 3 is monitored during the operation of the workstation 1.
  • a thread tension sensor 24 is also used as a further device for detecting a measured variable i, which scans the cord 13 and is installed, for example, just below a thread conveyor 11.
  • the thread tension influencing device 22 switched into the thread path of the outer thread 5 is, for example, an adjustable thread feed mechanism or an adjustable thread brake.
  • control device 20 depending on the measured variables i of the devices 21 and / or 24, always ensures that the drive 18 positions the balloon thread guide eyelet 9 advantageously at all times, and also ensures that the thread tension influencing device 22 keeps the thread tension of the thread balloon B2 at an optimal value.
  • the Fig. 7 shows a workstation 1 of a cabling machine on a slightly larger scale.
  • the balloon thread guide eyelet 9 can be shifted between a rest position RS, which is advantageous in the event of production interruptions, and work positions AP 1 , AP 2 dependent on spinning parameters and related transient work phases.
  • control device 20 is designed so that, depending on a measured variable i provided, for example, by a measuring device 21, the drive 18 for the balloon thread guide eyelet 9 is controlled so that the balloon thread guide eyelet 9 first moves from its rest position RS into an advantageous working position AP 1 is relocated.
  • the balloon thread guide eyelet is later transferred to an optimal working position AP 2 , the thread tension of the outer thread 5 being increased somewhat at almost the same time by means of the thread tension influencing device 22, for example a thread feeder, thereby creating a thread balloon B3 with an optimal diameter D3.
  • the working positions of the balloon thread guide eyelet 9 naturally also result in a large number of working positions that lie between the working position AP 1 and the working position AP 2.
  • the Fig. 8 shows a schematic side view of a workstation 1 of a two-for-one twisting machine.
  • the work station 1 has, among other things, a spindle 2 designed as a twisting spindle with a protective pot 19 for receiving at least one supply bobbin 15, a rotatably mounted thread deflection device 8 and a vertically adjustable balloon thread guide loop 9.
  • the balloon thread guide eyelet 9 can be positioned either in a rest position RS or in one of the working positions AP 1 and AP 2 or intermediate positions by a drive device 29 which is connected to a control device 20.
  • a thread tension sensor 24, a thread feed mechanism 31 and a drive device 30 for the spindle 2 or its thread deflection device 8 are also connected to the control device 20.
  • a thread 28 withdrawn from a supply bobbin 15 is introduced from above into a hollow axis of rotation of the thread deflecting device 8 arranged in the area of an axis of rotation 35 of the spindle 2 and passes through the thread feed mechanism 31.
  • the thread 28 leaves the hollow axis of rotation through a so-called thread outlet bore, which is arranged somewhat below a protective pot 19 and points radially outwards, and arrives at the outer region of the thread deflection device 8.
  • the thread 28 is deflected upwards at the thread deflection device 8 and, forming a thread balloon B1, arrives at the balloon thread guide eye 9, which at this point in time, i.e. when the spindle has reached operating speed 2 or before, is in a rest position RS is positioned.
  • the spindle 2 has an indirect drive device 30. That is to say, the thread deflecting device 8 has a whorl 32, which is acted upon by a drive belt 33, which also runs via a drive wharve 34 of a drive shaft 36, for example in a machine position.
  • the drive shaft 36 is connected to a drive 38 via a belt drive 37, for example.
  • a measuring device 21 connected to the drive 38 which monitors the energy consumption of the drive 38, for example, registers, for example, that the spindle 2 is running at operating speed, a measured variable i is sent to the control device 20, which then ensures that the drive device 29, the balloon thread guide eyelet 9 is transferred from the rest position RS to a working position AP 1 .
  • the thread tension of the plied thread 28, which circulates as a thread balloon B2 can be increased by means of the thread feeder 31 and at the same time the balloon thread guide eyelet 9 can be moved into an optimal working position AP 2 be transferred, creating a thread balloon B3 with an optimal diameter D3.

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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 (11)

  1. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler, doté d'une broche filetée rotative (2) et d'un œillet de guide-fil (9) réglable en hauteur à l'aide d'un entraînement (18, 29),
    caractérisé en ce que
    l'entraînement (18, 29) est couplé à un dispositif de commande (20), qui commande l'entraînement (18, 29) de manière à déplacer l'œillet de guide-fil (9) entre les positions de travail (AP1, AP2) selon les paramètres de production et une position de repos (RS) lors des interruptions de production, ainsi que selon les phases de travail transitoires et caractérisé en ce qu'un équipement (21, 23, 24, 25) est destiné à relever une valeur de mesure (i), qui est à la disposition du dispositif de commande (20) et qui provoque la régulation de l'entraînement (18, 29) pour changer la position de l'œillet guide-fil (9).
  2. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 1, caractérisé en ce que l'équipement est un dispositif de mesure (21) servant à relever une valeur de mesure (i), qui surveille la consommation d'énergie de l'entraînement de la broche (3) pendant le fonctionnement du poste de travail (1).
  3. Poste de travail (1) d'un retordoir double torsion ou d'une machine de câblage selon la revendication 1, caractérisé en ce que l'équipement est un dispositif de mesure du temps (23) servant à relever une valeur de mesure (i).
  4. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 1, caractérisé en ce que l'équipement utilise un dispositif de capteur (25) pour relever une valeur de mesure (i), qui contrôle la taille d'un ballon de fil (B) tournant autour de la broche (2) pendant le fonctionnement du poste de travail (1).
  5. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 1, caractérisé en ce que l'équipement est un capteur de tension de fil (24) servant à relever une valeur de mesure (i).
  6. Poste de travail (1) d'un retordoir double torsion ou d'une machine de câblage selon la revendication 1, où est installé un dispositif d'influence de la tension du fil (22, 31) réglable dans la zone du parcours du fil d'un ballon de fil (5, 28).
  7. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 6, caractérisé en ce que le dispositif d'influence de la tension du fil (22, 31) est conçu comme un dispositif d'alimentation en fil.
  8. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 6, caractérisé en ce que le dispositif d'influence de la tension du fil (22, 31) est conçu comme un frein de fil, avec lequel la tension de fil du ballon de fil (5, 28) peut être réglée.
  9. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 1, caractérisé en ce que le dispositif de commande (20) est conçu de sorte que des signaux liés à un événement particulier d'un poste de travail (1) concerné, par exemple démarrage de la broche, rupture de fil, échéance ou changement de lot, puissent être utilisés pour une régulation définie de l'entraînement (18, 29) de l'œillet guide-fil (9) et de son le positionnement dans une position de travail (AP1) ou une position de repos (PR) correspondante.
  10. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 1, caractérisé en ce que le dispositif de commande (20) est conçu de manière à déplacer l'œillet guide-fil (9) d'une première position de travail (AP1) à une deuxième position de travail (AP2) pour réduire la consommation d'énergie de l'entraînement de la broche (3) pendant le fonctionnement du poste de travail (1).
  11. Poste de travail (1) d'un retordoir à double torsion ou d'une machine à câbler selon la revendication 10, caractérisé en ce que la deuxième position de travail (AP2) de l'œillet guide-fil (9) se trouve entre la première position de travail (AP1) et la position de repos (PR) de l'œillet guide-fil (9).
EP16196197.4A 2015-11-09 2016-10-28 Poste de travail d'une retordeuse à double fil ou à câble Active EP3168338B1 (fr)

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DE102015014382.4A DE102015014382A1 (de) 2015-11-09 2015-11-09 Arbeitsstelle einer Doppeldrahtzwirn-oder Kabliermaschine

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CN109457353B (zh) * 2019-01-08 2021-09-28 山东联润新材料科技有限公司 一种变捻纱及其纺纱方法
CH715908A1 (de) * 2019-03-07 2020-09-15 Rieter Ag Maschf Verfahren zur Herstellung von Garn mit einer Ringspinnmaschine und Ringspinnmaschine.
CN110670191B (zh) * 2019-09-30 2021-09-21 三峡大学 线材旋转外接圆直径判断装置及方法
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CN113718382A (zh) * 2020-05-25 2021-11-30 昆山雅图电子科技有限公司 丝线并和限制检测装置
CN114457498B (zh) * 2022-02-10 2022-09-27 诸暨市孕创互联服饰有限公司 一种具有抗静电功能的孕妇用面料及其加工方法
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Publication number Publication date
CN106757582A (zh) 2017-05-31
CN106757582B (zh) 2019-12-03
US10793978B2 (en) 2020-10-06
EP3168338A1 (fr) 2017-05-17
DE102015014382A1 (de) 2017-05-11
ES2877228T3 (es) 2021-11-16
US20170130368A1 (en) 2017-05-11

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