WO2015014658A1 - Métier à filer et dispositif de fausse torsion - Google Patents

Métier à filer et dispositif de fausse torsion Download PDF

Info

Publication number
WO2015014658A1
WO2015014658A1 PCT/EP2014/065677 EP2014065677W WO2015014658A1 WO 2015014658 A1 WO2015014658 A1 WO 2015014658A1 EP 2014065677 W EP2014065677 W EP 2014065677W WO 2015014658 A1 WO2015014658 A1 WO 2015014658A1
Authority
WO
WIPO (PCT)
Prior art keywords
spinning machine
belts
belt
thread
machine according
Prior art date
Application number
PCT/EP2014/065677
Other languages
German (de)
English (en)
Inventor
Gerd Stahlecker
Stefan Urmetzer
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
Priority to CN201480041991.6A priority Critical patent/CN105392932B/zh
Priority to EP14744037.4A priority patent/EP3027794B1/fr
Publication of WO2015014658A1 publication Critical patent/WO2015014658A1/fr

Links

Classifications

    • 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
    • D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/28—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by inserting twist during drafting
    • 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

Definitions

  • the present invention relates to a spinning machine, in particular a ring spinning machine, with a plurality of juxtaposed units, each unit comprising a drafting device for warping a sliver and a spinning device for twisting the warped sliver to a yarn and a arranged between the drafting and the spinning device false twisting device in Substantially extending transversely to the thread and these contacting friction surfaces and a corresponding false twist device which is attached to a spinning machine to obtain a generic spinning machine.
  • a spinning machine in which a false twisting device is arranged between a drafting device, on which the sliver is warped and a coil, on which the sliver is wound up.
  • 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 are driven in opposite directions. The yarn contacts the two Riementrums punctiform (Figure 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 twisting device is formed from a single belt.
  • the two Riementrums have the same amount of speed, but they are running in the opposite direction. While in these embodiments, the influence of the false twist device is very limited by different shapes, speeds or arrangements of the two belt pulleys of the single belt, in the further embodiment form according to Figure 8 or even in the embodiment of Figure 9 a false twisting device provided with two straps. In this case, however, the belts are arranged in a circle, wherein the thread is located between the two belts. Although this arrangement is variable, but it is limited to a single spinning station and thus implement very complicated to a spinning machine structurally.
  • the object of the present invention is to provide a spinning machine and a false twist device with which a plurality of spinning units of a spinning machine can be operated.
  • the false twisting device for the spinning machine should be easy to retrofit to an existing spinning machine without such a false twist device and be very flexible in their application.
  • 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 claim.
  • a spinning machine has a plurality of juxtaposed spinning units.
  • a suitable spinning machine is, for example, a ring spinning machine.
  • Each spinning unit includes a drafting device for warping a sliver and a spinning device 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 has friction surfaces, which run essentially transversely to the thread and contact it. The velocity vectors of the friction surfaces are substantially opposite to each other and extend approximately transversely to the longitudinal axis and direction of the thread.
  • the friction surfaces of the false twist device consist of two separate plastic belts. When the thread is correctly inserted, the plastic belts are in particular z-shaped from the thread. Schlurgi, so that the two oppositely directed movement components of the belt touch the thread. The fact that the two friction surfaces act on both sides of the thread as a result of the z-shaped looping around the thread causes the thread or its outer fibers to twist.
  • the false twist device moreover has a drive device which drives the two separate plastic belts in the opposite direction.
  • At least one of the two belts or belt rums of the false twist device is guided along several of the spinning units of the spinning machine.
  • Several spinning units form part of the entire spinning machine.
  • the belt which is guided along several of the units of the spinning machine, requires only one drive for several spinning units.
  • the second belt can either also be guided along several units of the spinning machine or it can also be provided per spinning unit.
  • the two belts can also be assigned to a different number of spinning units. Through this different length versions of the belt, the cost of the construction of the false twisting device can indeed be higher, but it is also possible with respect to a greater variability. The setting on different spinning units.
  • At least one of the belts preferably even both belts along an entire section of the spinning machine with multiple spinning stations, or along the entire spinning machine is arranged.
  • a sectional construction thus from one section to section different setting of the belt is possible.
  • Egg- In this case, a section forms one of the mentioned sections of the length of the spinning machine.
  • the at least one belt preferably both belts
  • the spinning machines which are constructed on two sides in most cases, d. H. Spinning units are arranged on each side of the slitting machine can thus be equipped with only two belts with a false twisting device for all spinning stations.
  • the at least one belt, preferably both belts can also be guided around a section such that the opposing spinning units of one section are each provided with a false twist device with at least two belts.
  • one or both belts are guided around several sections of the spinning machine.
  • the two belts are arranged substantially in a horizontal plane.
  • the fact that the thread is supplied from the top of the drafting and continues down to the coil, a safe looping of the belt can be achieved hereby.
  • the false-twist effect, which can thereby be introduced into the thread, is thus largely constant.
  • the plane in which the two belts are arranged at an angle between 30 ° and 60 °, preferably at an angle of 45 ° to the stretching field plane is arranged.
  • the stretching field plane is the plane passing through the contact lines of the drafting rollers. at an inclination of the stretching field plane at 45 ° to the horizontal, the plane passing through the belts is horizontal, ie also horizontal, if the corresponding angle between the belt plane and the stretching field plane is 45 °.
  • the thread is guided in such a way and the false twisting device is arranged such that it wraps around at least one of the two belts by more than 90 °, preferably by more than 110 °.
  • the second belt lies substantially in the same horizontal plane as the first belt and the yarn is then further withdrawn obliquely downwards from the false twist device. Due to the high wrap around the false twist effect is particularly well introduced into the thread.
  • the two belts between the drafting arrangement and the spinning device are arranged such that the first contacted belt is wrapped by the thread more than the subsequently contacted belt, the result is a particularly advantageous and stable spinning process with the generation of a very good thread.
  • the belt first contacted by the thread is looped by the thread at an angle between 100 ° and 200 °, preferably between 140 ° and 180 °, and / or the belt subsequently contacted by the thread is at an angle to the thread between 90 ° and 180 °, preferably between 1 10 ° and 140 °.
  • the drive device for driving the two belts is a single motor with a gear. Through the gearbox, a reversal of direction of the drive of the belt can be done. Thus, the first belt in a first direction and the second belt are driven in a second, opposite direction.
  • the drive device has at least two motors, so that each of the belts is driven by a separate motor.
  • the speed of the two belts is thus individually controllable and the false twist device is optimally adjusted to the desired rotation introduction into the yarn.
  • the drive device to drive the belts at different speeds both when using a single engine with a transmission and when using two separate motors.
  • the belts are advantageously designed such that they have a round or a rounded cross-section.
  • the thread can optimally invest in the belt and the rotation initiation by the belt in the thread can thus be done very well.
  • the belts have different contact surfaces which rest against the yarn, different threads or a different swirl behavior of the false twist device can be addressed individually.
  • the contact surfaces can in particular have different shapes, surfaces, coefficients of friction or abrasion behavior. Also different materials of the two belts come into question. Among all these properties, the false twist device can be tuned individually to the respective thread which is to be twisted.
  • adjustment devices are provided for adjusting the positions of the belts relative to one another, in particular with regard to their vertical and / or horizontal position and to the position to the thread running in and out of the false-twist device.
  • the invention also relates to a false twisting device with belt and a drive device having the aforementioned features, which is adapted to be mounted on a spinning machine to provide a spinning machine according to one or more of the preceding claims.
  • FIG. 1 shows a schematic representation of an inventive false twist device on a spinning unit
  • FIG. 2 shows a schematic illustration of a plan view of a spinning machine with the false twist device according to the invention with two separate motors
  • FIG. 3 is a schematic representation of a plan view of a spinning machine with the false twisting device according to the invention with a motor with gear
  • FIG. 4 a schematic representation of a plan view of a spinning machine with the false twisting device according to the invention with partially separate drives per machine side
  • Figure 5 is a schematic representation of a plan view of a spinning machine with the false twist device according to the invention with partially separate drives per section
  • Figure 6 is a schematic representation of wraps of the belt.
  • FIG. 1 the schematic representation of a spinning unit 1 of a spinning machine 10 is partially shown.
  • An output roller pair 2 of a drafting system not shown, provides a thread 3.
  • the thread 3 is deflected by a first plastic belt 4 and then to a second plastic belt 5. Subsequently, the thread 3 passes through a twist stop 6 and a ring traveler 7 and is subsequently wound onto a spool 8.
  • De first plastic belt 4 and the second plastic belt 5 form a false twist device.
  • the first plastic belt 4 and the second plastic belt 5 have an opposite direction of movement.
  • the yarn is deflected to the running direction until the two friction forces are in balance.
  • the thread tensions Fn and F -I2 and F 2 i and F 22 are different.
  • the contact pressure of the thread on the one Riementrum is different to the other Riementrum.
  • the thread is so much more taken from the Riementrum on which he rests stronger, assuming it is similar belt 4 and 5.
  • the belt of this strand moves so that the true rotation is amplified by the false twist generated by the belt.
  • FIG. 2 shows the plan view of a spinning machine 10, in which a plurality of spinning units 1 are arranged. For reasons of clarity, not all spinning units are provided with the reference numeral 1.
  • the belts 4 and 5 are shown interrupted to indicate that the spinning machine 10 can be significantly longer.
  • the two plastic belts 4 and 5 surround the spinning machine 10 such that all spinning units 1 are enclosed by the two belts 4 and 5.
  • Each of the belts 4 and 5 is driven with a separate motor 1 1 and 12 and each with a drive roller 15.
  • pulleys 13 are arranged.
  • the pulleys 13 or other, not shown here devices can be provided for clamping and / or positioning of the belt 4 and 5.
  • the motors 1 1 and 12 independently drive the belts 4 and 5, the setting of the speeds is individually selectable. This allows optimal rotation initiation into the yarn.
  • Various support pressures of the thread 3 on the belt 4 and belt 5 can thereby be compensated or realized.
  • different belts 4 and 5 can be used. They can differ in their cross-section, their coefficient of friction or abrasion behavior. Also, they can be clamped differently, so as to vary the effect on the thread 3.
  • the belt speeds v and v 2 which are opposite to each other, can also be varied.
  • FIG. 3 shows a variant of the representation of FIG.
  • the two belts 4 and 5 are indeed driven by a single motor 14.
  • a transmission 16 is arranged in each case.
  • the gear 16 With the gear 16, a variation of the speed on the belt 4 or 5 may be provided in comparison to its other belt. It is also possible to use only one gear 16, which is able to realize a reversal of direction for the opposite speeds v and v 2 of the two belts 4 and 5.
  • FIG. Another variant of the present invention is shown in FIG. Although still surrounds the belt 4, which is driven by a motor 1 1, the entire spinning machine 10.
  • the returning strand of the belt 5 is shown in dashed lines, since it is not wrapped by the thread 3. This makes it possible to provide the two machine sides of the spinning machine 10 with a total of other false twist device 9 or individually to control and drive.
  • the belt 5 or 5 ' can be tensioned and / or positioned with a device, not shown.
  • FIG 5 a further division of the representation of Figure 4 is made.
  • the spinning machine 10 has various sections 17, which each structurally summarize several spinning stations 1 of the spinning machine 10. While the outer belt 4 surrounds the entire spinning machine 10, the sections 17 are each on their machine sides with individual NEN belt 5 equipped.
  • the false twist device 9 can thus be set individually per section 17 and machine side.
  • FIG. 6 shows the arrangement of the belts 4 and 5 with respect to a drafting plane S.
  • the two belts 4, 5 are arranged in a belt plane R between drafting 2 and spinning device 10.
  • the belt plane R assumes with the drafting plane S an angle ⁇ , which is here about 45 °.
  • the drafting plane S is inclined relative to the horizontal H by the angle ⁇ , which is here also 45 °, since the horizontal H and the belt plane R are parallel to each other.
  • the wrap angle of the first belt 4 is denoted by ⁇ , the wrap angle of the second belt 5 with ß.
  • the first contacted belt 4 is wrapped by the thread 3 more than the subsequently contacted belt 5.
  • Angle ⁇ is thus greater than the angle ß. This results in a particularly advantageous and stable spinning process with the generation of a very good and stable thread 3.
  • the angle ⁇ is about 150 °.
  • the belt 3, which is contacted by the yarn 3, is looped by the yarn 3 at an angle ⁇ between 90 ° and 180 °, preferably between 1 10 ° and 140 °, here about 120 °.
  • the belt 4 per machine side or sectioned be executed.
  • the inner belt 5 may also revolve around the entire machine while the outer belt 4 is split.
  • the representations of Figures 2, 3 and 4 not the complete spinning machine 10, but only a partial sections such as a section 17.
  • the plurality of sections or sections 17, which consists of such a spinning machine 10, then can be operated.
  • Their false twist device 9 independently.
  • the pair of output rollers 2 of a drafting system can also be another component, with which the thread 3 of the false twisting device 9 is supplied.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un métier à filer, en particulier un métier à filer à anneau, qui présente une pluralité d'unités (1) disposées les unes à côté des autres, chaque unité (1) présentant un banc d'étirage pour étirer une bande fibreuse et un dispositif de filage (10) pour tordre la bande fibreuse étirée en un fils (3) ainsi qu'un dispositif de fausse torsion (9) disposé entre le banc d'étirage et le dispositif de filage (10) et composé de surfaces de frottement s'étendant sensiblement transversalement au fil (3) et entrant en contact avec celui-ci. Les surfaces de frottement du dispositif de fausse torsion (9) sont constituées de deux courroies (4, 5) séparées en matière plastique autour desquelles le fil (3) s'enroule en particulier en forme de z et qui sont entraînées en sens opposés par un dispositif d'entraînement (11, 12; 14). Au moins une des courroies (4, 5) est guidée le long de plusieurs des unités (1) du métier à filer (10).
PCT/EP2014/065677 2013-07-29 2014-07-22 Métier à filer et dispositif de fausse torsion WO2015014658A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480041991.6A CN105392932B (zh) 2013-07-29 2014-07-22 纺织机和假捻装置
EP14744037.4A EP3027794B1 (fr) 2013-07-29 2014-07-22 Métier à filer avec dispositif de fausse torsion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108095.2A DE102013108095A1 (de) 2013-07-29 2013-07-29 Spinnmaschine und Falschdralleinrichtung
DE102013108095.2 2013-07-29

Publications (1)

Publication Number Publication Date
WO2015014658A1 true WO2015014658A1 (fr) 2015-02-05

Family

ID=51225515

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/065677 WO2015014658A1 (fr) 2013-07-29 2014-07-22 Métier à filer et dispositif de fausse torsion

Country Status (4)

Country Link
EP (1) EP3027794B1 (fr)
CN (1) CN105392932B (fr)
DE (1) DE102013108095A1 (fr)
WO (1) WO2015014658A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162929A1 (fr) * 2015-10-29 2017-05-03 Maschinenfabrik Rieter Ag Métier à filer et dispositif de fausse torsion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105718A1 (de) * 2016-03-29 2017-10-05 Maschinenfabrik Rieter Ag Riemen zur Verwendung in einer Falschdralleinrichtung einer Spinnmaschine
CN112323202B (zh) * 2020-06-28 2022-05-06 江苏聚海机械有限公司 一种通过可调变速回转头制备大肚纱的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2031031A (en) * 1978-09-27 1980-04-16 Oda Gosen Kogyo Kk Friction false twisting
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908133A (en) * 1956-08-09 1959-10-13 Clemson Agricultural College O False twister
FR1191361A (fr) * 1957-01-07 1959-10-19 Hindley Brothers Ltd Perfectionnements à la fabrication de fils frisés
US3045416A (en) * 1958-09-15 1962-07-24 Ubbelohde Leo False twisting device
JP2626571B2 (ja) * 1994-07-15 1997-07-02 村田機械株式会社 紡績装置
AUPN838496A0 (en) * 1996-02-29 1996-03-21 Commonwealth Scientific And Industrial Research Organisation Reducing end breaks in the spinning or twisting of yarn
JP3147024B2 (ja) * 1997-03-07 2001-03-19 村田機械株式会社 仮撚り装置
CN1804170B (zh) * 2005-01-14 2011-04-06 香港理工大学 低扭单股环锭纱线的加工方法与设备
US20130269309A1 (en) * 2012-04-17 2013-10-17 Michell (Hong Kong) Limited Machine and method for producing wool yarn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2031031A (en) * 1978-09-27 1980-04-16 Oda Gosen Kogyo Kk Friction false twisting
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162929A1 (fr) * 2015-10-29 2017-05-03 Maschinenfabrik Rieter Ag Métier à filer et dispositif de fausse torsion

Also Published As

Publication number Publication date
CN105392932B (zh) 2018-09-04
DE102013108095A1 (de) 2015-01-29
EP3027794B1 (fr) 2017-09-06
CN105392932A (zh) 2016-03-09
EP3027794A1 (fr) 2016-06-08

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