EP3861155B1 - Métier à filer doté d'un système de tension de courroie - Google Patents

Métier à filer doté d'un système de tension de courroie Download PDF

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Publication number
EP3861155B1
EP3861155B1 EP19769918.4A EP19769918A EP3861155B1 EP 3861155 B1 EP3861155 B1 EP 3861155B1 EP 19769918 A EP19769918 A EP 19769918A EP 3861155 B1 EP3861155 B1 EP 3861155B1
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EP
European Patent Office
Prior art keywords
belt
spindles
infeed
outfeed
spinning machine
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
EP19769918.4A
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German (de)
English (en)
Other versions
EP3861155A1 (fr
Inventor
Rosario Assenza
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.)
Marzoli Machines Textile SRL
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Marzoli Machines Textile SRL
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Publication of EP3861155A1 publication Critical patent/EP3861155A1/fr
Application granted granted Critical
Publication of EP3861155B1 publication Critical patent/EP3861155B1/fr
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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
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/241—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles driven by belt

Definitions

  • the subject of the present invention is a spinning machine of a spinning line, for the production of bobbins of yarn from bobbins of roving.
  • a spinning machine is able to process bobbins of roving to obtain bobbins of yarn, after having drawn and twisted the roving.
  • the spinning machine consists of a bridge that extends along a longitudinal axis on which are hung the bobbins of roving, a drawing device placed beneath the bridge, consisting of a set of cylinders having longitudinal extension, between which the roving passes to be drawn, and a bank carrying the spindles, in a row along the longitudinal axis, rotating around their vertical axis, on which the drawn and twisted yarn is wound.
  • the spindles are rotated around the vertical axis by a belt driving device, wherein the belt is driven by an electric motor and engages spindles of the two banks.
  • the object of the present invention is to obtain a spinning machine with a belt driving device for spindles that meets the aforesaid requirements and overcomes the aforementioned problem.
  • a spinning machine of a spinning line adapted to obtain bobbins of yarn from bobbins of roving, comprising a bridge that extends along a longitudinal axis X, from which the bobbins of roving are hung, a drawing device placed beneath the bridge, composed of a set of coupled cylinders, continuous or in sections, having longitudinal extension, between which the roving passes to be drawn, and a bank bearing spindles, in a row along the longitudinal axis, rotating around their vertical axis, to which the drawn and twisted thread is wound.
  • the spinning frame 1 comprises two opposite banks 2, 4, along which are arranged respective groups of spindles 6 1 -6 n , 8 1 -8 n aligned longitudinally, between a head 10 of the spinning machine and a tail 12.
  • the spinning machine 1 further comprises at least one driving device for driving the spindles in rotation about their vertical axis.
  • Said driving device comprises a belt 14 arranged along a closed path, comprising a first section 16a along the first bank 2, a second section 16b along the second bank 4, a head section 16c that joins the first and the second section at the head 10 of the spinning machine, and a tail section 16d that joins the first and the second section at the tail 12 of the spinning machine.
  • the belt 14 is tangent to the spindles 6 1 -6 n of the first bank 2, and along the second section 16b of the path, the belt 14 is tangent to the spindles 8 1 -8 n of the second bank 4, so as to rotate each spindle about its respective vertical axis.
  • the driving device further comprises at least one electric motor for driving the belt 14; for example, according to a preferred embodiment, the driving device comprises a plurality of electric motors 18 1 -18 n , 20 1 -20 n , preferably arranged within the path of the belt 14.
  • the belt 14 travels an engagement section 22 of the closed path; said engagement section 22 comprises a section under tension 24, which extends from the first section 16a or from the second section 16b towards the motor, a pulled section 26 wound on a drive pulley of the motor and a relaxed section 28, which goes from the motor towards the first section 16a or the second section 16b.
  • the driving device comprises diversion means, such as, for example, a pair of diverters 30 comprising, for example, an infeed diverting roller 32, which is an example of infeed diversion means, and an outfeed diverting roller 34, which is an example of outfeed diversion means.
  • diversion means such as, for example, a pair of diverters 30 comprising, for example, an infeed diverting roller 32, which is an example of infeed diversion means, and an outfeed diverting roller 34, which is an example of outfeed diversion means.
  • the infeed diverting roller 32 diverts the first section 16a of the path inwards, i.e., towards the section under tension 24, while the outfeed diverting roller 34 deflects the outfeed section 28, i.e., towards the first section 16a.
  • the section under tension 24 of the engagement section 22 is typically straight and extends along an infeed direction Y; the first section 16a, before being diverted inwards, i.e., upstream of the infeed diversion means, has an infeed section 16a' that is typically straight, along which the belt is in contact with at least some of said plurality of spindles; said infeed section 16a' extends along a main infeed direction W i .
  • the relaxed section 28 of the engagement section 22 is typically straight and extends along an outfeed direction Z;
  • the first section 16a after being diverted outwards, i.e., downstream of the outfeed diversion means, has a typically straight outfeed section 16a" along which the belt is in contact with at least some of said plurality of spindles; said outfeed section 16a" extends along a main outfeed direction W n.
  • the infeed direction Y of the section under tension 24 forms an infeed angle A with the main infeed direction W i of the infeed section 16a' of the path of the belt 14; similarly, the outfeed direction Z of the relaxed section 28 forms an outfeed angle B with the main outfeed direction W n of the outfeed section 16a" of the path of the belt 14.
  • the infeed angle A is greater than the outfeed angle B, in order to reduce the action of the tension of the belt on the infeed diversion means, for example on the first diverting roller 32.
  • this allows the action of the belt 14 on the infeed diverting roller 32 to be reduced, which in the solutions of the prior art is overloaded, while at the same time increases the action of the tension of the belt on the outfeed diverting roller 34, which in the solutions of the prior art is less stressed.
  • the driving device comprises at least one support group 40 suitable to support movably at least one motor 18 1 -18 n , 20 1 -20 n .
  • said driving device comprises a first motor 18 1 -18 n engaged with the spindles 6 1 -6 n of the first bank 2 and a second motor 20 1 -20 n engaged with the spindles 8 1 -8 n of the second bank 4.
  • the first motor and the second motor are side by side and are supported by said support group 40.
  • the support group 40 comprises a plate 42 that supports said motors and is rotatable around a plate axis 44; said plate axis is arranged longitudinally between the first motor and the second motor.
  • the plate may be locked in a predefined angular position.
  • said support group comprises means for guiding the rotation, comprising, for example, arched slots 46 made on or through the plate 42, in which the guide pins 48 slide.
  • the support group 40 comprises at least one bar to support the plate 42 rotatably; for example, the support group 40 comprises a pair of transverse support bars 50, 52, longitudinally spaced, which support the plate 42 rotatably.
  • the rotation of the plate 42 allows the belt 14 to be relaxed, especially at the engagement sections 22, in order to adjust the tension of the belt or to perform maintenance operations, in particular the replacement of a broken belt with a new endless belt, or to replace a drive pulley with another of different diameter.
  • the spinning machine according to the present invention overcomes the drawbacks mentioned with reference to the prior art and in particular allows one to reduce in a suitable way the tension of the belt on components that, in the solutions of the prior art, are more stressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Centrifugal Separators (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Claims (7)

  1. Métier à filer (1) d'une ligne de filage, pour la formation de bobines de fil à partir de bobines de mèche discontinue, comprenant au moins un banc (2, 4) équipé d'une pluralité de broches (61 à 6n ; 81 à 8n), alignées longitudinalement, et au moins un dispositif d'entraînement pour lesdites broches comprenant au moins un moteur électrique (181 à 18n ; 201 à 20n), une courroie (14) engagée avec ledit moteur électrique et tirant tangentiellement sur lesdites broches pour les mettre en rotation, des moyens de déviation d'entrée (32) pour dévier la courroie depuis les broches vers le moteur, et des moyens de déviation de sortie (34) pour dévier la courroie depuis le moteur vers les broches, dans lequel, en référence à la direction d'alimentation de la courroie (14) :
    - en amont des moyens de déviation d'entrée (32), la courroie (14) se déplace, en contact avec au moins certaines de ladite pluralité de broches, sur une section d'alimentation (16a') suivant une direction d'entrée principale (Wi) ;
    - entre les moyens de déviation d'entrée et le moteur, la courroie (14) se déplace sur une section sous tension (24) suivant une direction d'entrée (Y) ;
    - en aval des moyens de déviation de sortie (34), la courroie (14) se déplace sur une section de sortie (16a"), en contact avec au moins certaines de ladite pluralité de broches, suivant une direction de sortie principale (Wn) ;
    - entre le moteur et les moyens de déviation de sortie, la courroie (14) se déplace sur une section relâchée (28) suivant une direction de sortie (Z) ;
    - la direction d'entrée principale (Wi) et la direction d'entrée (Y) forment un angle d'entrée (A) et la direction de sortie principale (Wn) et la direction de sortie (Z) forment un angle de sortie (B) ; caractérisé en ce que
    - l'angle d'entrée (A) est supérieur à l'angle de sortie (B) pour limiter l'action de la tension de courroie sur les moyens de déviation d'entrée.
  2. Métier à filer selon la revendication 1, dans lequel ledit au moins un dispositif d'entraînement comprend un groupe de support (40) approprié pour supporter au moins un moteur électrique de manière mobile.
  3. Métier à filer selon la revendication 1 ou 2, comprenant deux bancs (2, 4) opposés, dans lequel la courroie (14) s'engage avec les broches (61 à 6n) du premier banc (2) et les broches (81 à 8n) du second banc (4).
  4. Métier à filer selon la revendication 3 lorsqu'elle dépend de la revendication 2, dans lequel ledit au moins un dispositif d'entraînement comprend un premier moteur électrique (181 à 18n) engagé avec des broches (61 à 6n) du premier banc (2) et un second moteur électrique (201 à 20n) engagé avec des broches (81 à 8n) du second banc (4), dans lequel le premier moteur électrique et le second moteur électrique sont encadrés et supportés par ledit groupe de support (40).
  5. Métier à filer selon la revendication 4, dans lequel le groupe de support (40) comprend une plaque (42) qui supporte lesdits moteurs électriques, pouvant se mettre en rotation autour d'un axe de plaque (44), placée longitudinalement entre le premier moteur électrique et le second moteur électrique, et pouvant se verrouiller dans une position angulaire prédéfinie.
  6. Métier à filer selon la revendication 5, dans lequel le groupe de support comprend des moyens pour guider la rotation.
  7. Métier à filer selon la revendication 6, dans lequel lesdits moyens pour guider la rotation comprennent des fentes arquées (46) réalisées sur ou à travers la plaque (42), dans lesquelles coulissent des goupilles de guidage (48).
EP19769918.4A 2018-10-02 2019-09-05 Métier à filer doté d'un système de tension de courroie Active EP3861155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000009103A IT201800009103A1 (it) 2018-10-02 2018-10-02 Filatoio con sistema di tensionamento della cinghia
PCT/IB2019/057480 WO2020070567A1 (fr) 2018-10-02 2019-09-05 Métier à filer doté d'un système de tension de courroie

Publications (2)

Publication Number Publication Date
EP3861155A1 EP3861155A1 (fr) 2021-08-11
EP3861155B1 true EP3861155B1 (fr) 2022-06-15

Family

ID=64744871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19769918.4A Active EP3861155B1 (fr) 2018-10-02 2019-09-05 Métier à filer doté d'un système de tension de courroie

Country Status (5)

Country Link
EP (1) EP3861155B1 (fr)
JP (2) JP2022503885A (fr)
CN (1) CN112805422B (fr)
IT (1) IT201800009103A1 (fr)
WO (1) WO2020070567A1 (fr)

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* Cited by examiner, † Cited by third party
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US2655782A (en) * 1950-03-04 1953-10-20 Roger W Cutler Change-over drive for spinning and twisting frames
US3060673A (en) * 1959-10-05 1962-10-30 Saco Lowell Shops Spindle drive
DE2125597A1 (en) * 1971-05-24 1972-11-30 Schaeffler Ohg Industriewerk Spindle drive - for spinning machines, suitable for high speeds
GB1503801A (en) * 1974-02-27 1978-03-15 Toyoda Automatic Loom Works Driving apparatus for tangential belt and driven pulleys
DE3106307A1 (de) * 1981-02-20 1982-09-09 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Spannrollenanordnung an tangentialriemenantrieben fuer spindeln von spinn- und zwirnmaschinen
JPH01124633A (ja) * 1987-11-04 1989-05-17 Murata Mach Ltd スピンドル駆動装置
US4944144A (en) * 1989-05-17 1990-07-31 Kabushiki Kaisha Ishikawa Seisakusho, Ltd. Spindle driving device of covering machine
IT1229408B (it) * 1989-06-01 1991-08-08 Marzoli & C Spa Apparato per il comando dei fusi, mediante frizione tangenziale, su filatoi ad anelli, suscettibile di bloccaggio in fase di levata delle spole.
DE19501626C1 (de) * 1995-01-20 1996-05-23 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit durch mindestens einen Tangentialriemen angetriebenen Spindeln
DE10322575A1 (de) * 2003-05-20 2004-12-09 Saurer Gmbh & Co. Kg Ringspinnmaschine mit Verdichtungsvorrichtungen
DE102005047804B3 (de) * 2005-10-05 2006-10-12 Saurer Gmbh & Co. Kg Ringspinnmaschine mit Tangentialriemenantrieb der Spindeln
WO2009040839A1 (fr) * 2007-09-28 2009-04-02 Marzoli S.P.A. Métier à filer avec système d'entraînement à courroie pour déplacer des broches
CN202576710U (zh) * 2012-04-27 2012-12-05 仪征金鹰纺织有限公司 倍捻机的锭子传动装置
CN202936539U (zh) * 2012-10-11 2013-05-15 新昌县荣泰发展有限公司 短纤倍捻机的节能传动装置
DE102013112941A1 (de) * 2013-10-28 2015-04-30 Maschinenfabrik Rieter Ag Spinnmaschine
CN204211891U (zh) * 2014-11-07 2015-03-18 江西华春色纺科技发展有限公司 一种细纱机自动传动控制装置
CN104372459B (zh) * 2014-11-19 2017-01-04 经纬纺织机械股份有限公司 一种环锭细纱机锭带双张力盘装置
CN204959142U (zh) * 2015-05-27 2016-01-13 天津滨海大田纺织有限公司 捻线机的锭子传动机构
DE102015118510A1 (de) * 2015-10-29 2017-05-04 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung
CH711734A1 (de) * 2015-11-09 2017-05-15 Rieter Ag Maschf Spannvorrichtung für einen Antriebsriemen von Spindeln einer Spinnmaschine.
CN205529233U (zh) * 2016-02-01 2016-08-31 浙江可羽纺织科技有限公司 具有纱线张力调整功能的制纱机构

Also Published As

Publication number Publication date
WO2020070567A1 (fr) 2020-04-09
JP2024029225A (ja) 2024-03-05
IT201800009103A1 (it) 2020-04-02
CN112805422B (zh) 2023-04-28
CN112805422A (zh) 2021-05-14
JP2022503885A (ja) 2022-01-12
EP3861155A1 (fr) 2021-08-11

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