EP3133192B1 - Metier a tisser comprenant plusieurs bancs d'etirage adjacents - Google Patents

Metier a tisser comprenant plusieurs bancs d'etirage adjacents Download PDF

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Publication number
EP3133192B1
EP3133192B1 EP16001665.5A EP16001665A EP3133192B1 EP 3133192 B1 EP3133192 B1 EP 3133192B1 EP 16001665 A EP16001665 A EP 16001665A EP 3133192 B1 EP3133192 B1 EP 3133192B1
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EP
European Patent Office
Prior art keywords
rollers
series
drive
input
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16001665.5A
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German (de)
English (en)
Other versions
EP3133192A1 (fr
Inventor
Gerhard Stähle
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 Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Germany GmbH and Co KG
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Publication of EP3133192A1 publication Critical patent/EP3133192A1/fr
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Classifications

    • 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
    • D01H5/32—Regulating or varying draft
    • 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
    • D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
    • 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
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings
    • D01H5/82—Arrangements for coupling roller sections

Definitions

  • the present invention relates to a spinning machine, in particular ring spinning machine, with a plurality of juxtaposed drafting devices for drawing a sliver, the drafting units each having an input sub-roller, a middle sub-roller and an output sub-roller.
  • the center sub-roller is arranged in the direction of the sliver between the input sub-roller and the output sub-roller.
  • the juxtaposed input sub-rollers form an input roller train
  • the middle sub-rollers arranged next to each other form a central roller train
  • the output sub-rollers arranged side by side form an output roller train.
  • the input roller train comprises a shaft on which input sub-rollers are arranged
  • the middle roller train comprises a shaft on which middle sub-rollers are arranged
  • the output roller train comprises a shaft on which output sub-rollers are arranged.
  • the shafts can be rotated by a drive and transmit torque to the input sub-rollers, center sub-rollers, and output sub-rollers.
  • the drive has a first and a second drive point at which the input roller train and the center roller train are driven.
  • Draw frames are used to give a sliver a delay.
  • Drawframes are used in various spinning machines, for example in ring spinning machines, air-jet spinning machines and roving machines.
  • a drafting system comprises at least one input roller pair, middle roller pair and an output roller pair. The sliver passes first through the pair of input rollers, then the middle roller pair and finally the pair of output rollers. The delay results from the ratio of the peripheral speeds between the different roller pairs. Between input and middle roller pair a pre-delay is realized. The main distortion results from the ratio of the peripheral speeds between the middle and output roller pair.
  • the input roller pair includes an input sub-roller and an input upper roller.
  • the middle roll pair comprises a middle lower roll and a middle upper roll.
  • the output roller pair includes an output sub-roller and an output top roller.
  • the input sub-rollers, the center sub-rollers and the output sub-rollers are each arranged on shafts and are driven by these.
  • the juxtaposed input sub-rollers form an input roller train.
  • the juxtaposed center rolls form a center roll strand.
  • the juxtaposed output rollers form a Chatwalzenstrang.
  • the top rollers are held by appropriate means, for example by a support and loading arm, and pressed against the lower rollers and taken away by this.
  • the DE 101 37 140 C1 shows a generic spinning machine.
  • the illustrated spinning machine is a ring spinning machine with drafting on both sides.
  • the DE 101 37 140 C1 concerns the drive of the lower rollers.
  • the ring spinning machine has a symmetrical construction on both sides. That is, on each side of the ring spinning machine there is an input roll train, a center roll train, and an output roll train.
  • the drive takes place at the ends of the ring spinning machine.
  • the drives of the two sides are coupled with each other via gears in order to realize the same distortions on both sides.
  • the drive of the input roller strands and the center roller strands can be done at both ends of the ring spinning machine to reduce the torsion of the waves.
  • the input roller train between the first and second drive point on a continuous shaft and the center roll strand has between the first and second drive point at least three divided shaft sections, wherein a shaft portion which is not connected to the first and second drive point, with a another drive point is connected.
  • the invention takes advantage of the fact that the largest torque is transmitted to the center roll train. Due to the division of the center roll strand into at least three shaft sections, the torque to be transmitted at the first and second drive points is significantly reduced. The lower the torque, the lower the torsion.
  • the input roller train transmits a significantly lower torque, so that even with longer spinning machines a continuous shaft can be used without exceeding the allowable torsion.
  • the first and second drive point may each be assigned a common motor for the input roller train and the center roller train.
  • the motors can be connected to the input roller train and the center roll train via gearbox.
  • the motor of the first drive point is operated speed-controlled on a frequency converter and the motor of the second drive point is operated on the same frequency converter.
  • a mechanical coupling of the motors is required to ensure the synchronization of the motors.
  • the mechanical coupling via the continuous shaft of the input roller train is realized in a simple manner.
  • the further drive point is associated with a further motor.
  • the engine has a lower power than the main drive motors. This allows the motor to engage the shaft section without having to change the pitch of the jobs.
  • the motor requires its own frequency converter.
  • the control of the engine is easy to implement, since the other motor is decoupled via the division of the center roll train of the motors of the first and second drive point.
  • the shaft portion of the center roll strand which is not connected to the first and second drive point, connected via a transmission to the other motor.
  • the shaft portion of the center roll strand which is not connected to the first and second drive point, connected via a gear to the input roller train.
  • This embodiment has the advantage that no additional drive is required for the separate shaft portion of the center roll strand. Due to the rather low drive torque of the input roller train this can easily provide the additional moment.
  • the central roll strand between the first and second drive point has exactly three divided shaft sections.
  • the shaft portion of the center roll strand which is not connected to the first and second drive points is a quarter and the shaft sections connected to the first or second drive point are advantageously associated with three quarters of the drafting devices between the first and second drive points. In this way, the center roll strand can be noticeably relieved and the torsion can be reduced.
  • the more Motor are dimensioned small or the input roller train is only slightly loaded.
  • the Fig. 1 shows schematically the structure of a ring spinning machine according to the invention.
  • the presentation is limited to the parts relevant for explanation. Accordingly, in particular, the presentation of the sliver feed of the spindles and the ring rail was omitted.
  • the presentation is limited to the arrangement of the drafting and their output. It should be noted that the representation is not to scale.
  • ring spinning machine is a double-sided ring spinning machine with drafting on both sides.
  • the ring spinning machine has on each side a plurality of juxtaposed drafting 2, of which in Fig. 1 only two are shown.
  • Each drafting 2 is associated with a spindle, not shown.
  • the drafting system 2 and the spindle together form a job.
  • the drafting system 2 comprises an input roller pair, a middle roller pair and an output roller pair, of which only the input lower roller 3, the lower middle roller 4 and the output lower roller 5 are shown. Furthermore, in the illustration of the Fig. 1 a Verzugsriemchen 6 indicated that wraps around the middle lower roller 4.
  • the juxtaposed input sub-rollers 3 form an input roller train 7.
  • the juxtaposed middle sub-rollers 4 form a center roller train 8.
  • the juxtaposed output sub-rollers 5 form a ceremoniwalzenstrang 9.
  • the input roller strands 7 and 7 'each comprise a continuous shaft 22 and 22'.
  • the output roller strands 9 and 9 'each comprise a continuous shaft 26 and 26'.
  • the shafts 22, 22 ', 26 and 26' each consist of two sections which are connected to each other via a threaded connection 27, 28, 27 'and 28'.
  • the one section in turn consists of shaft sections, which are connected to each other with a right-hand thread and the other section consists of shaft sections, which are each connected to one another with a left-hand thread.
  • the threaded connections create a rigid connection of the sections so that the sections together form a continuous shaft.
  • the center roll strands 8 and 8 'each comprise three separate shaft sections 23, 24, 25 and 23', 24 ', 25'.
  • the drive of the roll cords takes place at two drive points 41 and 42 at the ends of the ring spinning machine.
  • the output roller strands 9 and 9 ' are driven at each driving location 41, 42 by a common motor 10 and 12.
  • the motors 10 and 12 are connected via the gears 13 and 14 to the shafts 26 and 26 ', respectively.
  • the motors 10 and 12 are both connected to a frequency converter, not shown.
  • the engine 10 serves as a leading engine. It is speed-controlled and is therefore equipped with a resolver 11.
  • the engine 12 is a guided engine that does not have its own speed control. The synchronization is realized via the mechanical coupling by the shafts 26 and 26 '.
  • the input roller train 7 and the center roller train 8 are driven together at the drive points 41, 42 at the ends of the machine.
  • the motors 15 and 17 are arranged at the ends of the machine.
  • the same motors 15 and 17 also drive the input roller train 7 'and the center roller train 8' of the other side of the ring spinning machine 1 at.
  • the motor 15 is connected via gears 18 to the shafts 22 and 22 'of the input roller strands 7 and 7'.
  • the motor 17 is also connected via gear 20 to the shafts 22 and 22 'of the input roller strands 7 and 7'.
  • the two motors 15 and 17 are mechanically coupled via the shafts 22 and 22 '.
  • the motors 15 and 17 are also on a common not shown frequency controlled.
  • the motor 15 has a resolver 16 and serves as a leading motor.
  • the engine 17 is a guided engine.
  • the shaft portion 23 of the center roll train 8 is via the transmission 19 with the gear 18 and the motor. 15 connected.
  • the shaft portion 25 of the center roll strand 8 is connected via the gear 21 to the gear 20 and the motor 17, respectively.
  • the gears 19 and 21 are formed as Vorverzugs grillzier.
  • the change gears of the transmission 19, 21 can be replaced to adjust the Vorverzug.
  • the shaft portion 24 of the center roll strand 8 is not mechanically coupled to the shaft portions 23 and 25.
  • the drive of the shaft portion 24 is effected by a further drive point 43.
  • In the in Fig. 1 shown embodiment drives an additional motor 29 via the gear 30, the shaft portion 24 at.
  • the motor has its own frequency converter, so that the speed can be easily adapted to a changed pre-delay.
  • the middle roll strand 8 'of the other side of the ring spinning machine 1 is constructed analogously.
  • the roll cuts 23 'and 25' are driven via the default change wheels 19 'and 21'.
  • the shaft sections 23 and 25 are each assigned 3/8 of the drafting systems. That is, the shaft portions 23 and 25 drive together 3/4 of the drafting systems.
  • the shaft portion 24 are assigned according to 1/4 of the drafting. Accordingly, the drive torque that must be applied to the centerline roll 8 at the drive points at the machine ends, reduced by 1/4. In this way, the torsion is reduced.
  • the embodiment of the Fig. 2 is largely consistent with the embodiment of Fig. 1 match. Like reference numerals have been used for like elements so that they will not be explained again. It only goes into the differences.
  • the shaft sections 24 and 24 'of the center roll strands 8 and 8' are connected to the further drive point 43 via gear 31 and 31 'with the shafts 22 and 22'. Thus, no separate motor is required for the shaft sections 24 and 24 '.
  • the transmissions 31 and 31 ' only have to be adaptable to a changed pre-delay ratio in accordance with the transmissions 19, 19', 21 and 21 '.
  • the torque acting on the shafts 22 and 22 'of the input roller strands 7 and 7' increases to 75 Nm for each drive point 41, 42. This leaves the moment but clearly below the moment of 120 Nm, which must be applied to the machine ends on the center roll strand 8, 8 '. In this way, a better distribution of the required drive torques can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (8)

  1. Métier à filer (1), en particulier continu à filer à anneaux, avec une grande quantité de trains d'étirage (2), placés les uns à côté des autres, pour l'étirage d'une bande de fibres, sachant que les trains d'étirage (2) présentent tous un cylindre inférieur d'entrée (3), un cylindre inférieur central (4) et un cylindre inférieur de sortie (5), sachant que le cylindre inférieur central (4) est placé dans la direction de marche de la bande de fibres entre le cylindre inférieur d'entrée (3) et le cylindre inférieur de sortie (5), sachant que les cylindres inférieurs d'entrée (3) placés les uns à côté des autres forment une série de cylindres d'entrée (7, 7'), que les cylindres inférieurs centraux (4) placés les uns à côté des autres forment une série de cylindres centraux (8, 8') et que les cylindres inférieurs de sortie (5) forment une série de cylindres de sortie (9), sachant que la série de cylindres d'entrée (7, 7') entoure un arbre (22, 22') sur lequel les cylindres inférieurs d'entrée (3) sont placés, sachant que la série de cylindres centraux (8, 8') entoure un arbre (23, 23', 24, 24', 25, 25') sur lequel les cylindres inférieurs centraux (4) sont placés, et sachant que la série de cylindres de sortie (9, 9') entoure un arbre (26, 26') sur lequel les cylindres inférieurs de sortie (5) sont placés, sachant que les arbres (22, 22', 23, 23', 24, 24', 25, 25' 26, 26') peuvent être mis en rotation par un entraînement et transmettent un couple sur les cylindres inférieurs d'entrée (3), les cylindres inférieurs centraux (4) et les cylindres inférieurs de sortie (5), sachant que l'entraînement présente un premier et un deuxième points d'entraînement (41, 42) sur lesquels la série de cylindres d'entrée (7, 7') et la série de cylindres centraux (8, 8') sont entraînées,
    caractérisé en ce que
    la série de cylindres d'entrée (7, 7') présente, entre le premier et le deuxième points d'entraînement (41, 42), un arbre continu (22, 22') et que la série de cylindres centraux (8, 8') présente, entre le premier et le deuxième points d'entraînement (41, 42), au moins trois sections d'arbre divisée (23, 23', 24, 24', 25, 25'), sachant qu'une section d'arbre (24, 24'), qui n'est pas reliée avec le premier et le deuxième points d'entraînement (41, 42), est reliée avec un autre point d'entraînement (43).
  2. Métier à filer (1) suivant la revendication 1, caractérisé en ce que le premier et le deuxième points d'entraînement (41, 42) disposent d'un moteur commun (15, 17) pour la série de cylindres d'entrée (7, 7') et la série de cylindres centraux (8, 8').
  3. Métier à filer (1) suivant la revendication 2, caractérisé en ce que les moteurs (15, 17) sont reliés par des engrenages (18, 19, 19', 20, 21, 21') à la série de cylindres d'entrée et à la série de cylindres centraux.
  4. Métier à filer (1) suivant une des revendications 2 ou 3, caractérisé en ce que le moteur (15) du premier point d'entraînement (41) fonctionne avec régulation de la vitesse de rotation sur un convertisseur de fréquence et que le moteur (17) du deuxième point d'entraînement (42) fonctionne sur le même convertisseur de fréquence.
  5. Métier à tisser (1) suivant une des revendications 1 à 4, caractérisé en ce que l'autre point d'entraînement (43) fonctionne avec un autre moteur (29, 29').
  6. Métier à tisser (1) suivant la revendication 5, caractérisé en ce que la section d'arbre (24, 24') de la série de cylindres centraux (8, 8'), non reliée avec le premier et le deuxième points d'entraînement (41, 42), est relié, par un engrenage (30, 30') à l'autre moteur (29, 29').
  7. Métier à tisser (1) suivant une des revendications 1 à 3, caractérisé en ce que la section d'arbre (24, 24') de la série de cylindres centraux (8, 8'), non reliée avec le premier et le deuxième points d'entraînement (41, 42), est relié, par un engrenage (31, 31') à la série de cylindres d'entrée (7, 7').
  8. Métier à tisser (1) suivant une des précédentes revendications, caractérisé en ce que la série de cylindres centraux (8, 8') présente, entre le premier et le deuxième points d'entraînement (41, 42), exactement trois sections d'arbre divisé (23, 23', 24, 24', 25, 25') et que la section d'arbre (24, 24') de la série de cylindres centraux (8, 8'), non reliée au premier et au deuxième points d'entraînement (41, 42), dispose d'un quart et les sections d'arbre (23, 23', 25, 25') reliées au premier ou au deuxième points d'entraînement (41, 42), de trois quarts du train d'étirage entre le premier et le deuxième point d'entraînement (41, 42).
EP16001665.5A 2015-08-19 2016-07-28 Metier a tisser comprenant plusieurs bancs d'etirage adjacents Active EP3133192B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015010854.9A DE102015010854A1 (de) 2015-08-19 2015-08-19 Spinnmaschine mit einer Vielzahl nebeneinander angeordneter Streckwerke

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102015010854 Previously-Filed-Application 2015-08-19

Publications (2)

Publication Number Publication Date
EP3133192A1 EP3133192A1 (fr) 2017-02-22
EP3133192B1 true EP3133192B1 (fr) 2018-02-28

Family

ID=56800102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16001665.5A Active EP3133192B1 (fr) 2015-08-19 2016-07-28 Metier a tisser comprenant plusieurs bancs d'etirage adjacents

Country Status (5)

Country Link
EP (1) EP3133192B1 (fr)
JP (1) JP6823965B2 (fr)
CN (1) CN106467989B (fr)
DE (1) DE102015010854A1 (fr)
ES (1) ES2664423T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018102232A1 (de) * 2018-02-01 2019-08-01 Saurer Spinning Solutions Gmbh & Co. Kg Doppelseitige Ringspinnmaschine mit Streckwerken
DE102018132951A1 (de) 2018-12-19 2020-06-25 Saurer Spinning Solutions Gmbh & Co. Kg Ringspinnmaschine mit Streckwerken
CN110144645A (zh) * 2019-06-05 2019-08-20 上海华鸢机电有限公司 一种细纱机中后罗拉驱动装置及驱动方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE410231C (de) * 1923-05-05 1925-02-27 Werke Akt Ges Deutsche Streckwerk fuer Spinnmaschinen
US4195389A (en) * 1977-05-18 1980-04-01 Zinser Textilmaschinen Gmbh Filament-drawing assembly for spinning machine
DE2911379C3 (de) * 1979-03-23 1995-02-23 Zinser Textilmaschinen Gmbh Lange Spinnmaschine
JPS59150123A (ja) * 1983-02-16 1984-08-28 Toyoda Autom Loom Works Ltd 紡機におけるドラフトロ−ラ駆動機構
JPS59192732A (ja) * 1983-04-11 1984-11-01 Toyoda Autom Loom Works Ltd 紡機におけるドラフトロ−ラ駆動機構
JPH0941229A (ja) * 1995-07-26 1997-02-10 Howa Mach Ltd 精紡機における糸継ぎ方法
DE19531301A1 (de) * 1995-08-25 1997-02-27 Stahlecker Fritz Lange Spinnmaschine
DE10040420A1 (de) * 2000-08-18 2002-02-28 Rieter Ag Maschf Streckwerksanordnung für Spinnmaschinen
DE10137140C1 (de) 2001-07-30 2003-01-09 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit Streckwerk auf beiden Seiten
JP4670522B2 (ja) * 2005-07-19 2011-04-13 株式会社豊田自動織機 紡機におけるドラフト装置
EP1948855B1 (fr) 2005-11-15 2018-08-29 Saurer Germany GmbH & Co. KG Metier a filer a anneaux pourvu de systemes d'etirage
DE102005054817A1 (de) * 2005-11-15 2007-05-24 Saurer Gmbh & Co. Kg Ringspinnmaschine mit Streckwerken
IT1404332B1 (it) * 2011-02-24 2013-11-22 Marzoli Spa Sistema di motorizzazione della cilindrata di un filatoio.
CN204918898U (zh) * 2014-08-01 2015-12-30 拉克施米机械制造有限公司 用于环式纺纱机的牵伸辊的驱动装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JP6823965B2 (ja) 2021-02-03
ES2664423T3 (es) 2018-04-19
EP3133192A1 (fr) 2017-02-22
CN106467989A (zh) 2017-03-01
DE102015010854A1 (de) 2017-02-23
CN106467989B (zh) 2018-10-30
JP2017040030A (ja) 2017-02-23

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