EP3121315A1 - Metier a filer, dispositif fausse-torsion et dispositif d'arret - Google Patents

Metier a filer, dispositif fausse-torsion et dispositif d'arret Download PDF

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Publication number
EP3121315A1
EP3121315A1 EP16180359.8A EP16180359A EP3121315A1 EP 3121315 A1 EP3121315 A1 EP 3121315A1 EP 16180359 A EP16180359 A EP 16180359A EP 3121315 A1 EP3121315 A1 EP 3121315A1
Authority
EP
European Patent Office
Prior art keywords
spinning
belt
thread
spinning machine
machine according
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.)
Withdrawn
Application number
EP16180359.8A
Other languages
German (de)
English (en)
Inventor
Gerd Stahlecker
Michael Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter 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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3121315A1 publication Critical patent/EP3121315A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
    • D01H7/926—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of traversing devices
    • 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
    • D01H1/11—Spinning by false-twisting
    • 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
    • D01H13/12—Arrangements preventing snarls or inadvertent doubling of yarns
    • 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
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • 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
    • D02G1/0213—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 after drawing the yarn on the same machine
    • 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
    • D02G1/0233—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 with real twist being imparted to the yarn before or after false-twisting
    • 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
    • D02G1/028—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 twisting or false-twisting at least two filaments, yarns or threads, fixing the twist and separating the filaments, yarns or 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
    • 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
    • D02G1/085—Rollers or other friction causing elements between crossed belts

Definitions

  • the present invention relates to a spinning machine, in particular ring spinning machine, with a plurality of juxtaposed spinning units, each spinning unit comprising a drafting device for warping a sliver, a spinning device for rotating the warped sliver to a thread and a arranged between the drafting and the spinning device false twisting device, wherein the false twisting device has at least two belt sprockets arranged at least transversely to the thread, contacting and oppositely driven therefrom, and the belt spins are wrapped in particular in a Z-shape by the thread (3) and serve as a friction surface for the thread and the belt spins (4, 5 ) are guided by at least one support roller (20) and a false twisting device and a catching device.
  • a spinning machine in which between a drafting device, on which the sliver is warped and a coil on which the sliver is wound, a false twist device is arranged.
  • the false twist device is according to an embodiment of the local disclosure of a single belt, which is driven by a drive device. Upper and lower run of a belt move in opposite directions. The yarn contacted the two Riementrums either punctiform ( FIG. 4 ), when the belts are arranged directly next to each other.
  • the straps are spaced apart and extend substantially vertically one above the other in the opposite direction. The thread wraps in this embodiment, the belt with an angle of about 90 °.
  • the false twist device is formed from a single belt.
  • the two beltrums have the same amount of speed, but they move in the opposite direction.
  • the object of the present invention is to provide a spinning machine and a false twisting device, with which row thread breaks can be reliably avoided by no fiber or yarn package formed on the belt drum.
  • the object is achieved with a spinning machine according to claim 1 and with a false twist device which can be arranged on such a spinning machine with the features of the corresponding independent claims and with a corresponding catching device.
  • the spinning machine according to the invention has a plurality of juxtaposed spinning units.
  • a suitable spinning machine is, for example, a ring spinning machine.
  • Each spinning unit includes a drafting system with or without compacting means for warping a sliver and a spinner for twisting the warped sliver into a yarn.
  • a false twist device is arranged between the drafting and the spinning device.
  • the false twist device arranged between the nip at the drafting system output and the spinning device.
  • the false twisting device has at least two belt sprockets arranged at least transversely to the thread and contacting them in opposite directions.
  • the thread wraps around at least two opposing Riementrums in particular z-shaped.
  • the beltrums serve as a friction surface for the thread.
  • the opposing beltrums can be either from a single belt or from two or more separate belts. It is essential that they are driven in the opposite direction and thus can bring a twist in the thread.
  • the velocity vectors of the belts, which are friction surfaces for the yarn are substantially opposite to one another and extend approximately transversely to the longitudinal axis or running direction of the yarn.
  • the belt or straps are preferably made of plastic material. They can have different cross sections.
  • the beltrums are looped around by the thread in such a way that the two oppositely directed components of movement of the belt turns the thread. Due to the fact that the two friction surfaces act on both sides of the thread as a result of the Z-shaped loop, the twisting of the thread or of its outer fibers is effected.
  • the beltrums are guided by at least one support roller.
  • the false twist device is associated with a catching device in the direction of yarn travel underneath the yarn path and immediately before at least one of the belt strands, which prevents the broken yarn from looping around the belt core so much that it entrains the yarn up to the adjacent spinning station.
  • smooth wires or thin round cords are clamped in parallel and at a short distance from the belt wheels. This prevents a 360 ° loop of the yarn around the belt. With little wrap, the yarn can still be pulled over the surface of the beltroms without tearing. Thus, the free yarn end is readily wound completely on the spinning cop.
  • the catching device is elongated and extends along the belt.
  • a thread end which falls after a yarn breakage and before it was pulled off over the belt, falls down, is detected by this elongated catcher and held off premature contact with the Riementrum.
  • the tray catch is elongated and extends along the Riementrums, it is also possible to catch a thread end, which is deflected laterally. Only when the thread end has contacted the catching device, it is further withdrawn via the Riementrum and further fed to the spinning device.
  • the catching device causes the end of the thread to retain only slight wrap around the belt. This wrap is not significantly greater than in normal spinning operation. As a result, the static friction of the thread end is not significantly increased at the Riementrum and the thread end can continue to be pulled over the Riementrum away to the spinning device.
  • the catching device preferably extends along several spinning devices.
  • a catching device can be provided in a particularly simple manner, which can be for the entire spinning machine or at least a partial area, for example, a section of the spinning machine.
  • the assembly and disassembly of such a catching device is thereby considerably simplified, since not every spinning unit has its own catching device must be attached.
  • the catching device is a belt, a rope, a wire, a string or a rod.
  • This elongated catching device can be arranged very simply, essentially parallel to the belt core on the spinning machine. Even laterally far-severed thread ends can be prevented by such a catcher easy from premature contact and strong wrap around the Riementrums.
  • Flexible elements such as belts, rope or cord, can easily be used for both parallel belt flights by a corresponding deflection.
  • a rigid rod can have advantages if a certain shape, for example a wave form for the catching device is provided, in which the individual threads can stabilize.
  • the catching device is an endless component, in particular an endless belt.
  • the endless component can be attached to two adjacent holders and cover both the first and the second belt rim.
  • the catching device is elastic, this brings advantages, in particular when threading a thread in the false twisting device.
  • the elastic catching device can be deflected to be able to eliminate the thread on the belt wheels of the false twist device. In addition, this allows the catcher in a very simple way so strong be curious that she gets no contact with the belt and also can keep the thread very well from the belt radius, if it breaks.
  • the catching device has a high resistance to the thread at least in one direction along its longitudinal axis.
  • This high resistance can be achieved in particular by roughening or paragraphs of the catching device. By roughening or paragraphs ensures that the broken thread end is prevented from lateral displacement along the catcher and thus contact with an adjacent spinning device can be very well avoided.
  • the resistance should be low in order to facilitate removal of the thread via the catching device.
  • the catching device has thickenings between adjacent spinning devices, this will also have the effect that broken ends of the thread are not dragged off to the adjacent spinning device and could cause a break in the still running thread there. Yarn ends stick to the thickening of the catcher and can be more easily withdrawn from the own spinning device and wound up.
  • the beltrums are arranged along several of the spinning devices and supported on a plurality of support rollers, which are present at a distance of a plurality of spinning units.
  • the support rollers support the Riementrums so that they can stretch on the one hand and on the other hand along several spinning devices in the intended position. As a result, a uniform false twisting of the threads of a plurality of juxtaposed spinning devices is effected.
  • a holder is arranged in the region of the support roller for the belt, in which the catching device is fastened or supported.
  • the holder in the region of the support roller has the advantage that the catching device can be arranged substantially parallel to the course of the beltrems, if desired, without the need for complicated adjustment work.
  • a tensioning device is arranged in the holder.
  • the tensioning device may for example be a coil spring or a rubber sleeve, which is supported on the catching device and the holder and thereby braces the catching device relative to the holder.
  • the catching device when the catching device is a flexible or elastic component, it is advantageous if the catching device is deflected in the holder in order to be guided along the first and the second beltrender.
  • Two cooperating, spaced-apart holders can thus receive a catching device, which is associated with both the first and the second Riementrum. If in each case a holder is arranged on the mutually facing sides of two support rollers, one catching device can be attached to each of the two holders per tightening drum and tensioned as required. It is also possible that an endless component, which forms the catching device for both Riementrums, is attached to the two holders and tensioned.
  • the catching device extends over the holder or through the holder, along a multiplicity of spinning devices.
  • the holder serves to receive or support the catcher.
  • the catching device can be performed as long, for example like the beltroms and extend along the same number of spinners.
  • a false twist device has a belt and a drive device.
  • the false twisting device is associated with a corresponding catching device, which prevents a broken thread from the Riementrum and causes the broken end of the thread can not wrap the belt around so far that it is dragged due to the resulting increased rope friction to the adjacent spinning position, but previously from the Spinning device can be removed and wound up.
  • An inventive catcher for a false twisting device has the appropriate features, in particular, it causes the thread, the belt can not wrap around so strong that due to the increased rope friction, the thread end is dragged to the adjacent spinning station and there causes a yarn break.
  • a corresponding catching device can also be retrofitted to a previously described false twisting device or a corresponding spinning machine with such a false twist device.
  • FIG. 1 is a schematic partial view of a spinning unit 1 of a spinning machine shown.
  • An output roller pair 2 of a drafting system not shown here provides a thread 3.
  • the thread 3 is deflected about a belt ring 4 shown in section of a first plastic belt and then to a likewise shown in section Riementrum 5 of the same or a second plastic belt. Subsequently, the thread 3 passes through a twist stop 6 and a ring traveler 7 and is subsequently wound onto a spool 8.
  • the first belt core 4 and the second belt core 5 form a false twist device 9.
  • the first belt core 4 and the second belt core 5 have an opposite direction of movement. Characterized in that the thread 3 rests on two in the opposite direction moving Riementrums 4, 5, it is from the one strand 4 in one and the other strand 5 in the other Direction pulled. The thread 3 is deflected so far to the direction until the two friction forces are in balance.
  • the belt wheels 4 and 5 are associated with catching devices 14 and 15.
  • the catcher 14 is disposed below the thread 3, between the pair of output rollers 2 and the belt core 4. It is located immediately in front of the belt core 4, in order to prevent a thread break, which occurs between the pair of output rollers 2 and the belt core 4, from the fact that the looping of the belt drive 4 is increased compared to the normal operation.
  • the catching device 15 is arranged below the thread 3 between the belt core 4 and the belt core 5 and in the immediate vicinity of the belt hub 5.
  • FIG. 2 is an enlarged view of the false twisting device 9 with the two Riementrums 4 and 5 and two catching devices 14 and 15 shown.
  • the thread 3 moves in the direction of the arrow of the pair of output rollers 2 in the direction of the belt core 4.
  • This thread end is further drawn off from the spinner unit 1, but can not continue to put around the belt core 4, since the catching device 14 keeps the wrap angle still almost as small as it is the case in normal spinning operation.
  • the looping of the thread end is thus not increased in comparison to the normal spinning operation, so that a further stripping and winding of the thread 3 on the spool 8 is possible.
  • a thread break Fb 2 is marked.
  • This thread breakage Fb 2 takes place, for example, between the two Riementrums 4 and 5.
  • the thread end falls down and lies down on the catcher 15 without the wrap angle of the thread end shown in dashed lines around the belt core 5 is substantially increased. Also this thread end can be easily removed from the coil 8.
  • the catching devices 14 and 15, which are usually arranged stationary, are located in the immediate vicinity of the belt troughs 4 and 5 and keep the broken end of the thread from further wrapping around the moving belt troughs 4 and 5.
  • FIG. 3 the false twisting device 9 and the catching devices 14, 15 are shown in the region of support rollers 16.
  • the support rollers 16 are rotatably mounted on an axle 17.
  • On the support rollers 16 run the belt rums 4 and 5.
  • the thread 3 wraps around the belt rums 4 and 5 z- or S-shaped.
  • Between the two support rollers 16, a holder 18 is arranged.
  • the holder 18 is supported on the axis 17.
  • In the holder 18 there are openings in which the catching devices 14 and 15 are inserted and tensioned are.
  • FIG. 3 consist of the catching devices 14 and 15 of a single round belt, which is placed around the holder 18 around.
  • the first part, which forms the catching device 14 extends laterally above the belt rim 4, while the second part in the form of the catching device 15 is arranged laterally below the belt rim 5.
  • FIG. 4 shows a plan view of the execution of FIG. 3 , It can be seen that the two oppositely driven belt rungs 4 and 5 rest on the support rollers 16.
  • the holder 18 is located between the two support rollers 16. In the holder 18, the catcher 14 and the catcher 15 are attached. Both the beltroms 4 and 5 and the catching devices 14 and 15 extend along several threads 3 or spinning units 1. As the catching devices 14, 15 extend in one direction of the supporting rollers 16, the catching devices 14 'and 15' on the arranged on the other side of the support rollers 16. In the not shown ends of the catching devices 14, 15 and 14 ', 15' is again a holder 18 is present, which spans the catching devices.
  • the fishing devices 14, 15 and 14 ', 15' shown here consist of endless belts, which are arranged on two adjacent holders 18 and stretched when necessary.
  • the endless belt which can also be an endless rope or an endless wire or an endless string, covers both the back and the running belt.
  • FIG. 5 is another form of a holder for the capture devices, here the catcher 14 and 14 'shown.
  • the catching devices 14 and 14 ' have at the end an extension 19 or 19'.
  • This extension 19 or 19 ' allows the catcher 14, 14', which is formed for example as an elastic rubber cord, is inserted and tensioned in an opening of the holder 18.
  • FIG. 6 shows a similar attachment as in FIG. 5 is shown.
  • the catcher 14 or 14 ' is not elastic, but for example designed as a wire rope.
  • a coil spring 20 or 20 ' is provided, which clamps the catching device 14, 14' relative to its holder 18.
  • FIG. 7 There is a holder 18 'between the coaxial support rollers 16 on the axis 17.
  • the holder 18' supports the catching devices 14 and 15, whereby the catching means 14 and 15 can extend substantially parallel to the belt Rums 4, 5.
  • the catching devices 14, 15 are not interrupted in the region of the support rollers 16, but can be supported by the holder 18 'extending above or elsewhere below the axis 17 and can thereby be tensioned.
  • FIG. 8 is shown in a schematic representation of a plan view of four adjacent spinning units. Only one belt drum 4 is shown here, the catching device 14 running parallel thereto. Between two adjacent threads 3 thickenings 21 are arranged on the catcher 14. These thickenings 21 cause a thread end, which is still entrained somewhat by the belt core 4, is stripped off by the thickening 21. This prevents the thread end from reaching the region of the adjacent thread 3. A row thread breakage is thereby additionally prevented in a very advantageous manner.
  • FIG. 9 shows a belt drum 4 and a catcher 14.
  • the catcher 14 is executed in this embodiment sawtooth.
  • a yarn end, which has been placed around the catcher 14, is prevented from being carried along by the belt core 4 very effectively, as it can be imposed in the individual saw teeth and wound on the spool before it can get into the region of the adjacent thread ,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Woven Fabrics (AREA)
EP16180359.8A 2015-07-24 2016-07-20 Metier a filer, dispositif fausse-torsion et dispositif d'arret Withdrawn EP3121315A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015112117.4A DE102015112117A1 (de) 2015-07-24 2015-07-24 Spinnmaschine, Falschdralleinrichtung und Fangeinrichtung

Publications (1)

Publication Number Publication Date
EP3121315A1 true EP3121315A1 (fr) 2017-01-25

Family

ID=56497662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16180359.8A Withdrawn EP3121315A1 (fr) 2015-07-24 2016-07-20 Metier a filer, dispositif fausse-torsion et dispositif d'arret

Country Status (3)

Country Link
EP (1) EP3121315A1 (fr)
CN (1) CN106367854A (fr)
DE (1) DE102015112117A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667965A (en) * 1985-07-08 1987-05-26 O-Board, Inc. Game with pegs randomly moved on board to stretch an elastic band
WO2005049148A2 (fr) * 2003-11-20 2005-06-02 Coltene/Whaledent Gmbh & Co. Kg Bande de gymnastique
WO2010015185A1 (fr) 2008-08-04 2010-02-11 The Hong Kong Polytechnic University Procédé et appareil pour la fabrication de fausse torsion en slalom sur un fil à anneaux
WO2015082466A1 (fr) * 2013-12-02 2015-06-11 Maschinenfabrik Rieter Ag Métier à filer, dispositif à fausse torsion et crochet de capture
WO2015162250A1 (fr) * 2014-04-25 2015-10-29 Maschinenfabrik Rieter Ag Métier à filer, dispositif à fausse torsion et dispositif de retenue

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336040A1 (de) * 1983-10-04 1985-04-18 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Ringspinn- oder -zwirnmaschine
JP4069047B2 (ja) * 2003-09-19 2008-03-26 津田駒工業株式会社 無杼織機の仮撚装置
JP2010174405A (ja) * 2009-01-29 2010-08-12 Murata Machinery Ltd 糸端捕捉案内装置及びそれを備える紡績機
DE102013108096A1 (de) * 2013-07-29 2015-01-29 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667965A (en) * 1985-07-08 1987-05-26 O-Board, Inc. Game with pegs randomly moved on board to stretch an elastic band
WO2005049148A2 (fr) * 2003-11-20 2005-06-02 Coltene/Whaledent Gmbh & Co. Kg Bande de gymnastique
WO2010015185A1 (fr) 2008-08-04 2010-02-11 The Hong Kong Polytechnic University Procédé et appareil pour la fabrication de fausse torsion en slalom sur un fil à anneaux
WO2015082466A1 (fr) * 2013-12-02 2015-06-11 Maschinenfabrik Rieter Ag Métier à filer, dispositif à fausse torsion et crochet de capture
WO2015162250A1 (fr) * 2014-04-25 2015-10-29 Maschinenfabrik Rieter Ag Métier à filer, dispositif à fausse torsion et dispositif de retenue

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Publication number Publication date
DE102015112117A1 (de) 2017-01-26
CN106367854A (zh) 2017-02-01

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