EP2059632B1 - Entraînement de cylindres supérieurs jumeaux dans des bancs d'étirage - Google Patents

Entraînement de cylindres supérieurs jumeaux dans des bancs d'étirage Download PDF

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Publication number
EP2059632B1
EP2059632B1 EP07801571.6A EP07801571A EP2059632B1 EP 2059632 B1 EP2059632 B1 EP 2059632B1 EP 07801571 A EP07801571 A EP 07801571A EP 2059632 B1 EP2059632 B1 EP 2059632B1
Authority
EP
European Patent Office
Prior art keywords
rollers
roller
arrangement according
drafting arrangement
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.)
Ceased
Application number
EP07801571.6A
Other languages
German (de)
English (en)
Other versions
EP2059632A1 (fr
Inventor
Heinz W. Kamp
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2059632A1 publication Critical patent/EP2059632A1/fr
Application granted granted Critical
Publication of EP2059632B1 publication Critical patent/EP2059632B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
    • 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 invention relates to a drafting system with several successively arranged drafting roller pairs, of which at least the top roller and the bottom roller of a roller pair are looped by Verzugsriemchen and the upper roller consists of mounted in support and loading arms Oberwalzenzwillingen.
  • Drawframes of common design have the disadvantage that draw underneath rollers of great length can twist under rotary load, which can lead to distortion errors when loosening the twisting to thread breaks.
  • Another disadvantage is that the replacement of Unterriemchen on the Unterriemchenwalzen in case of breaking or damaging it is very difficult.
  • the pamphlets provide for allocating an upper roller twin to each lower roller twin. Due to the continuous waves of the two tightly superimposed Walzenzwillinge the space for the drive transmission to the Unterwalzenzwilling is very cramped. A drive one of the rolling twins about by a single electric motor is not possible.
  • the invention was therefore the task of avoiding the disadvantages known from the prior art. It solves this problem by the features of the main claim. This offset ensures that the waves between the rolls of each rolling twine do not face a wave of a twin roll opposite. This gives room for the arrangement of a space-requiring drive of the two rolling twins.
  • the drive of the driven rolling twins is effected by individual electric motors.
  • this is designed as a synchronous motor.
  • the single drive motor can be designed in many cases as a reluctance motor or as an asynchronous motor. Small deviations or fluctuations in the promotion of the intermediate roller pair do not affect the fineness of the yarn produced.
  • the stands of the same are attached to a mounted on the support and loading arm handlebars.
  • the stands of the same are attached to punches of the drafting system.
  • the drive of the upper roller twins by a arranged in the region of the pivot axis of the support and loading arm, over the length of the drafting system running, driven shaft via a flexible drive member, in particular via a toothed belt.
  • This embodiment offers the advantage of production engineering simpler structure.
  • the dimension of the continuous wave is not limited, it can be performed with a diameter that is subject to no significant torsion.
  • the continuous wave at the same time forms the pivot axis of the supporting and loading arm of Oberwalzenzwillinge.
  • the drive connection remains unchanged to Oberwalzenzwilling at a pivoting of the supporting and loading arm.
  • the axes of the roll twins, on which the drive device acts, are formed as fixed rollers, their individual rollers are fixedly connected to their axis connecting them to transmit the drive to both individual rollers.
  • the non-driven rolling twins can also be designed as deep-rolling or as loose rolling. Their individual rollers are driven by frictional engagement with the fixed rollers of the driven roller twins. Their training as deep rolling would have the advantage that they would support the synchronism between the Walzenzwillingen, which could be particularly important in the formation of individual electric motors as induction motors.
  • the middle lower roller 1 consists of a plurality of short roller sections 2 in the form of twin rollers, the axes 3 are each mounted in their center in a rotary bearing 4, in particular in a rolling bearing.
  • the rolls 5 of the roll twins are rigidly arranged on the axis, for example, fixed by press fit.
  • the middle lower roller 1 is Riemchenwalze, it is wrapped by a Unterriemchen 6. Out FIG. 3 a Unternemchen deflecting rail 7 can be seen, which leads the strap.
  • the upper roller 8 is also made of known Oberwalzenzwillingen 9, which are, however, laterally offset from the Unterwalzenzwillingen 2 by one workstation.
  • the rollers 10 of the Oberwalzenzwillinge 9 are wrapped by a strap 11, which by a in FIG. 3 recognizable deflecting rail 12 is kept taut.
  • the drive of the roll twins 9 is carried out by each designed as a synchronous motor electric motors 13, which are arranged on the axes 14 of the Oberwalzenzwillinge 9.
  • the rolls of the roll twins, on the axes of which the electric motors are seated, are designed as hard rolls, so they are non-rotatably connected to their axis.
  • the rolls of the other rolling twine can also be designed as deep-rolling or loose rolls, they are then freely rotatable on its fixed axis.
  • the rotor 15 of the electric motors 13 are mounted on the axles 14 of the Oberwalzenzwillinge 9.
  • the uprights 16 are held by the links 17 of the upper roll twin and support the axle 14.
  • the rollers 10 are seated as fixed rollers on their axis.
  • the drive of the electric motor 13 is transmitted by frictional engagement over the straps 6 and 11 circumferentially synchronously to the rollers 5 of the lower roller twins 2.
  • the electric motors 13 are arranged on the axles 3 of the lower roller twins 2.
  • the stand 16 are then stored in punches 18 of the drafting system, their runners sitting on the axles 3.
  • the rollers 5 are formed as a deep rolling.
  • FIG. 3 is also the Mittelunterwalzencru 1/8 upstream input roller pair 19 and its downstream output roller pair 20 can be seen.
  • Schematically illustrated is also the Oberwalzentrag- and loading arm 21 with the links 22 and 23 of the Oberwalzenzwillinge the input roller pair 19 and the output roller pair 20.
  • the upper rollers of all pairs of rollers are loaded by attacking on their links springs 24.
  • the drive goes from one over the entire length of the drafting system passing, rotatable shaft 25 which is driven at least at its end by a variable speed drive.
  • This shaft carries in each support and loading arm 20, a gear 26 which is looped by a toothed belt 27 which runs to a mounted in the support and load arm 20 double gear 28. From this double gear runs another, short toothed belt 29 is guided to a mounted on the axis 14 of a Oberwalzenzwillings 9 gear 30.
  • the shaft drives so all Oberwalzenzwillinge the drafting system.
  • the shaft 25 is in the axis about which the support and loading arm 20 is pivotable - it may serve as the pivot shaft thereof.
  • the drive connection is maintained unchanged.
  • the shaft 25 away from the pivot axis of the supporting and loading arm, but at least in its area. In this case, the timing belt 27 can loosen, but would have no adverse consequences.
  • drive means instead of the toothed belt can also serve other form-fitting transmission means such as chains. Since the total draft of a drafting system is determined by the ratio of the delivery of the pair of delivery rollers to that of the pair of input rollers, it may be permissible in some cases, too use non-positive transmission means. Small deviations in the delivery of a pair of center rollers do not affect the overall delay.
  • the invention is shown on a as a belt center roll of a three-roll Riemchenstreckwerkes. It is understood that the inventive design of this Riemchen roller pair can be realized even with multiple Riemchen roller pairs of a drafting system.
  • Top rollers and bottom rollers may therefore be corrugated, but it is also possible that one of them is formed with a smooth surface.

Landscapes

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

Claims (14)

  1. Banc d'étirage comprenant plusieurs paires de cylindres d'étirage parmi lesquels au moins le cylindre inférieur d'une paire de cylindres est enlacé par des courroies de traction (6), et le cylindre supérieur est constitué par des appariements (9) de cylindres supérieurs montés dans des bras (21) de support et de contrainte, sachant que le cylindre inférieur (2, 5) à courroies est pareillement constitué d'une multiplicité d'appariements individuels (2) de cylindres inférieurs qui sont agencés avec alignement, sont montés entre les cylindres individuels et sont enlacés par des courroies, chaque appariement de cylindres supérieurs ou chaque appariement de cylindres inférieurs étant pourvu d'un entraînement distinct, caractérisé par le fait que les appariements (2) de cylindres inférieurs et les appariements (9) de cylindres supérieurs d'une paire (1, 8) de cylindres sont respectivement décalés, les uns des autres, à raison d'un poste de travail.
  2. Banc d'étirage selon la revendication 1, caractérisé par le fait que l'entraînement (13) agit sur l'axe (3 ou 14) qui relie les deux cylindres (5 ou 10), réalisés sous la forme de cylindres fixes, de l'appariement (2) de cylindres inférieurs ou de l'appariement (9) de cylindres supérieurs.
  3. Banc d'étirage selon la revendication 2, caractérisé par le fait que l'entraînement est assuré par un moteur électrique individuel (13).
  4. Banc d'étirage selon la revendication 2, caractérisé par le fait que l'entraînement individuel (13) est réalisé sous la forme d'un moteur synchrone.
  5. Banc d'étirage selon la revendication 2, caractérisé par le fait que le montant (16), supportant un entraînement individuel (13) menant un appariement (9) de cylindres supérieurs, est fixé à une biellette (17) implantée sur le bras (21) de support et de contrainte.
  6. Banc d'étirage selon la revendication 2, caractérisé par le fait que le montant (16), supportant un entraînement individuel (13) menant un appariement (2) de cylindres inférieurs, est logé dans un poinçonnage (18) dudit banc d'étirage.
  7. Banc d'étirage selon la revendication 1, caractérisé par le fait que l'entraînement s'opère à partir d'un arbre mené ininterrompu (25) qui est disposé dans la région de l'axe de pivotement du bras (21) de support et de contrainte des cylindres supérieurs et est relié, par l'intermédiaire de courroies crantées (27), aux axes (14) de chacun des appariements (9) de cylindres supérieurs.
  8. Banc d'étirage selon la revendication 7, caractérisé par le fait que l'axe de pivotement du bras (21) de support et de contrainte des cylindres supérieurs est réalisé sous la forme d'un arbre d'entraînement (25).
  9. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres individuels (5 ou 10) sont réalisés sous la forme de cylindres fixes sur les axes (3 ou 14) sur lesquels l'entraînement agit.
  10. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres individuels (5 ou 10) sont réalisés sous la forme de cylindres fixes sur les axes non entraînés (3 ou 14) des appariements (2 ou 9) de cylindres.
  11. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres individuels (5 ou 10) sont réalisés sous la forme de cylindres à montage libre sur les axes non entraînés (3 ou 14) des appariements (2 ou 9) de cylindres.
  12. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres supérieurs (10) sont rainurés sur leur pourtour, les cylindres inférieurs (5) étant lisses sur leur pourtour.
  13. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres supérieurs (10) sont rainurés sur leur pourtour, les cylindres inférieurs (5) étant pareillement rainurés sur leur pourtour.
  14. Banc d'étirage selon la revendication 1, caractérisé par le fait que les cylindres supérieurs (10) sont lisses sur leur pourtour, les cylindres inférieurs (5) étant rainurés sur leur pourtour.
EP07801571.6A 2006-08-28 2007-08-09 Entraînement de cylindres supérieurs jumeaux dans des bancs d'étirage Ceased EP2059632B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610040143 DE102006040143B3 (de) 2006-08-28 2006-08-28 Antrieb von Oberwalzenzwillingen in Streckwerken
PCT/EP2007/007042 WO2008025445A1 (fr) 2006-08-28 2007-08-09 Entraînement de cylindres supérieurs jumeaux dans des bancs d'étirage

Publications (2)

Publication Number Publication Date
EP2059632A1 EP2059632A1 (fr) 2009-05-20
EP2059632B1 true EP2059632B1 (fr) 2013-07-24

Family

ID=38703505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07801571.6A Ceased EP2059632B1 (fr) 2006-08-28 2007-08-09 Entraînement de cylindres supérieurs jumeaux dans des bancs d'étirage

Country Status (4)

Country Link
EP (1) EP2059632B1 (fr)
CN (1) CN101506416B (fr)
DE (1) DE102006040143B3 (fr)
WO (1) WO2008025445A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103103643A (zh) * 2012-12-10 2013-05-15 苏州尊元纺织有限公司 一种纺织机械的牵伸罗拉系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58214537A (ja) * 1982-05-31 1983-12-13 Toyoda Autom Loom Works Ltd 精紡機におけるドラフトロ−ラ駆動装置
DE3825068A1 (de) * 1988-07-23 1990-01-25 Fritz Stahlecker Streckwerk fuer eine spinnmaschine
US5022123A (en) * 1988-09-29 1991-06-11 Murata Kikai Kabushiki Kaisha Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts
US5138830A (en) * 1989-07-04 1992-08-18 Hans Stahlecker Spinning machine having a plurality of drafting units
CN2443974Y (zh) * 2000-09-12 2001-08-22 东台纺织机械有限责任公司 环锭细纱机的牵伸装置

Also Published As

Publication number Publication date
WO2008025445A1 (fr) 2008-03-06
CN101506416A (zh) 2009-08-12
EP2059632A1 (fr) 2009-05-20
DE102006040143B3 (de) 2008-02-28
CN101506416B (zh) 2011-06-15

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