EP0168357B1 - Apparatus for simultaneously twisting and drawng on a spinning frame - Google Patents

Apparatus for simultaneously twisting and drawng on a spinning frame Download PDF

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Publication number
EP0168357B1
EP0168357B1 EP85830141A EP85830141A EP0168357B1 EP 0168357 B1 EP0168357 B1 EP 0168357B1 EP 85830141 A EP85830141 A EP 85830141A EP 85830141 A EP85830141 A EP 85830141A EP 0168357 B1 EP0168357 B1 EP 0168357B1
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EP
European Patent Office
Prior art keywords
wire
pulleys
rollers
stretching
axis
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Expired
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EP85830141A
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German (de)
French (fr)
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EP0168357A1 (en
Inventor
Ugo Mallardi
Ugo Roberto Menicacci
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    • 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

Definitions

  • the invention relates to an apparatus for a continuous ring loom by means of which the same piece of wick is simultaneously subjected to both real twisting and drawing.
  • the stretching cylinders of said pair are at most horizontal axes, at least one of the two cylinders is rotated by a bevel gear, which, in turn, engages on a ring gear with vertical axis: the two rollers drawing being mounted on a member rotating around the vertical direction of movement of the wick.
  • Patent GB-163,353 further provides a device for simultaneous twisting and drawing of cotton, wool, silk and other textile fibers, by means of a pair of cylinders with a vertical axis, one hollow and aligned with the winding spindle, the other mounted on a sled sliding in a frame, fixed to the shaft of the first cylinder.
  • the wick which comes from the food cylinders slides around a fixed bar, then passes between the two stretching cylinders and finally, sliding on the upper end of the hollow cylinder of said pair of stretching rollers, passes , inside of it and goes to the winding spindle.
  • the grazing friction of the wire on the head of the hollow stretching cylinder opposes the low tensile force available to the spindle-winding ring group; consequently, and this especially under certain operating conditions, such as for example with a light ring and a low speed of rotation of the spindle, it can happen that the wire is recalled with difficulty inside the hollow stretching cylinder and in addition the wire tends to form loops at the exit of the stretching cylinders.
  • the wire in formation is subject to heating and to wear, which reduce its quality.
  • the present invention aims to eliminate these drawbacks.
  • the invention solves the problem of producing a device capable of simultaneously twisting and drawing a wick, which allows, despite the detours imposed on the wire in formation , a high production speed (40 m / min. and more) with a high rotation speed (10,000 - 12,000 rpm), with uniform stretching (12 m / min. equal to 40% of the feeding speed ) and with a uniformity of the wire, that is to say a regularity of its section, greater than that currently. obtained by means of the ring spinning machine and even slightly higher than that obtained by means of the self-acting loom.
  • the detours of the wire in formation are carried out without friction and, in addition, it is avoided, in a safe manner , the concentration of the stretch on a short piece of the wick and the damage caused to the wire in formation as a result of friction and heating of the wire.
  • the advantages obtained thanks to the present invention essentially consist in the fact that it is possible to work textile fibers of any type, even short and regenerated; that at a production speed equal to and even slightly higher than that of the continuous spinning mills, it is possible to obtain a quality equal to or greater than that obtained by means of intermittent looms; that it is possible to twist the wire further; that a device according to the invention is capable of being adapted to all the known continuous filier.
  • Figure 1 shows the overview of a possible embodiment of an apparatus according to the present invention.
  • This device essentially comprises a pair of rollers 2, 2 'stretchers, with vertical axes, the motor and hollow roller 2, rotating around its own axis, on command of a pulley 30 with belt 30' and the roller 2 ' presser, mounted idle on a plate 4, horizontal, rotating in a concordant and coaxial manner with said roller 2, on command of a pulley 40 with belt 40 '.
  • Said plate 4 is integral with a vertical support 41, carrying several (eg four) deflection pulleys 42, freely rotating about their own horizontal axis; two of these pulleys 42 are equidistant from the plate 4 to allow the wire in formation to pass horizontally between the two drawing rollers 2, 2 '; the other two pulleys 42 are at a distance from the plate 4 greater than that of the two first and placed so as to collect the wick 1 on its arrival from the food cylinders 11 and to direct the wire 1, at its exit from the drawing rollers, towards the hollow cylinder 2, in the vertical direction of advance of the wire 1.
  • An opening 43 is provided in said support 41 to allow contact between the two stretching rollers 2, 2 '.
  • the difference between the speed of rotation of the plate 4 carrying the pressing cylinder 2 ′ and that of the driving cylinder 2 determines the traction speeds of the wick 1 and therefore the percentage of stretching with respect to the pair of food cylinders 11.
  • the rotation of the plate 4 and of the support 41 with the return pulleys 42 determines the twist of the wick 1: the two combined movements of the driving cylinder 2 and of the plate 4 determine the simultaneous twisting and drawing of the same piece of wick 1.
  • a spindle 6 for winding the wire 1 with a ring bench 7 and a rail 8, rotating around a vertical axis which is in the direction of advancement of the wire 1 in formation and rotating in accordance with said plate 4 so as to maintain and make final the torsion effected by the drawing rollers 2, 2 '.
  • the speed of rotation of the spindle 6 will be equal to or higher / lower than that of the plate 4 depending on whether one wishes to obtain only the winding of the wire or an addition / minus modification of the importance of the twist of the wire, carried out by said pair of rollers 2, 2 '.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Description

L'invention concerne un appareil pour métier continu à anneau grâce auquel le même morceau de mèche est, simultanément soumis tant à réelle torsion qu'à étirage.The invention relates to an apparatus for a continuous ring loom by means of which the same piece of wick is simultaneously subjected to both real twisting and drawing.

La filature en continu avec torsion et étirage simultanés de la mèche est proposée par quelques brevets d'ancienne daté (par ex. GB-A-194 532 et GB-A-415 254). Ce résultat a été obtenu au moyen d'une paire de rouleaux d'étirage au moins auxquels on impose, outre un mouvement de rotation autour de leur propre axe, un mouvement de rotation autour de la direction de déplacement de la mèche.Continuous spinning with simultaneous twisting and stretching of the wick is offered by some old dated patents (eg GB-A-194 532 and GB-A-415 254). This result has been obtained by means of a pair of drawing rollers at least on which, in addition to a rotational movement around their own axis, a rotational movement is imposed around the direction of movement of the bit.

Les cylindres étireurs de ladite paire sont tout au plus à axes horizontaux, un au moins des deux cylindres est entraîné en rotation par un engrenage conique, qui, à son tour, fait prise sur une couronne dentée avec axe vertical: les deux rouleaux d'étirage étant montés sur un organe tournant autour de la direction verticale de déplacement de la mèche.The stretching cylinders of said pair are at most horizontal axes, at least one of the two cylinders is rotated by a bevel gear, which, in turn, engages on a ring gear with vertical axis: the two rollers drawing being mounted on a member rotating around the vertical direction of movement of the wick.

Le brevet GB-163 353 prévoit en outre en un dispositif de torsion et d'étirage simultanés de mèches de coton, de laine, de soie et d'autres fibres textiles au moyen d'une paire de cylindres à axe vertical, l'un creux et aligné sur la broche d'enroulement, l'autre monté sur un traîneau coulissant dans un châssis, fixé à l'arbre du premier cylindre. Dans ce dispositif connu, la mèche qui provient des cylindres alimentaires, glisse autour d'une barre fixe, passe ensuite entre les deux cylindres étireurs et enfin, glissant sur l'extrémité supérieure du cylindre creux de ladite paire de rouleaux d'étirage, passe, à l'interieur de celui-ci et se dirige vers la broche d'enroulement.Patent GB-163,353 further provides a device for simultaneous twisting and drawing of cotton, wool, silk and other textile fibers, by means of a pair of cylinders with a vertical axis, one hollow and aligned with the winding spindle, the other mounted on a sled sliding in a frame, fixed to the shaft of the first cylinder. In this known device, the wick which comes from the food cylinders, slides around a fixed bar, then passes between the two stretching cylinders and finally, sliding on the upper end of the hollow cylinder of said pair of stretching rollers, passes , inside of it and goes to the winding spindle.

Le parcours suivi par le fil en formation, tant à l'arrivée aux deux cylindres étireurs qu'à la sortie de ceux-ci, comporte plusierus pliures du fil à angle aigu: parmi ces pliures, est particulièrement néfaste celle, qui a lieu autour de la barre fixe, étant donné que cette barre empêche à la force nécessaire pour l'étirage, de se distribuer de manière uniforme sur tout le morceau de fil en, formation compris entre les cylindres alimentaires et les cylindres étireurs, avec pour résultat que la mèche, en s'allongeant de façon irrégulière dans le bref parcours compris entre ladite barre fixe et lesdits cylindres étireurs, donne lieu à un fil, non uniforme. En outre le frottement rasant du fil sur la tête du cylindre étireur creux fait opposition à la faible force de traction dont dispose le groupe broche- anneau d'enroulement; en consequence, et ce spécialment dans certaines conditions opératives, comme par exemple avec un anneau léger et une faible vitesse de rotation de la broche, il peut arriver que le fil soit rappelé avec difficulté à l'intérieur du cylindre étireur creux et en outre le fil tend à former des boucles à la sortie des cylindres étireurs. Enfin il faut noter que par suite dudit frottement, le fil en formation est sujet à réchauffement et à usure, qui en réduisent la qualité.The course followed by the wire in formation, both at the arrival to the two stretching cylinders and at the exit of these, comprises several folds of the wire at an acute angle: among these folds, is particularly harmful that which takes place around of the fixed bar, since this bar prevents the force necessary for drawing, from being distributed uniformly over the entire piece of wire in formation formed between the food rolls and the stretching rolls, with the result that the wick, by stretching irregularly in the short course between said fixed bar and said stretching cylinders, gives rise to a wire, not uniform. In addition, the grazing friction of the wire on the head of the hollow stretching cylinder opposes the low tensile force available to the spindle-winding ring group; consequently, and this especially under certain operating conditions, such as for example with a light ring and a low speed of rotation of the spindle, it can happen that the wire is recalled with difficulty inside the hollow stretching cylinder and in addition the wire tends to form loops at the exit of the stretching cylinders. Finally, it should be noted that as a result of said friction, the wire in formation is subject to heating and to wear, which reduce its quality.

La présente invention a pour objectif l'élimination de ces inconvénients.The present invention aims to eliminate these drawbacks.

L'invention, telle qu'elle est caractérisée par les revendications, résoud le problème consistant à réaliser un dispositif à même d'effectuer simultanément la torsion et l'étirage d'une mèche, lequel permet, malgré les détours imposés au fil en formation, une vitesse de production élevée (40 m/min. et plus) avec une vitesse de rotation élevée (10.000 - 12.000 tours/min.), avec étirage uniforme (12 m/min. égal à 40 % de la vitesse d'alimentation) et avec une uniformité du fil, c'est-à-dire une régularité de sa section, supérieure à celle actuellement . obtenue au moyen du continu à filer à anneau et même légèrement supérieure à celle obtenue au moyen du métier à intermittence (self-acting).The invention, as characterized by the claims, solves the problem of producing a device capable of simultaneously twisting and drawing a wick, which allows, despite the detours imposed on the wire in formation , a high production speed (40 m / min. and more) with a high rotation speed (10,000 - 12,000 rpm), with uniform stretching (12 m / min. equal to 40% of the feeding speed ) and with a uniformity of the wire, that is to say a regularity of its section, greater than that currently. obtained by means of the ring spinning machine and even slightly higher than that obtained by means of the self-acting loom.

Moyennant l'utilisation d'un dispositif conforme à l'invention, on obtient les résultats suivants: les détours du fil en formation, respectivement avant et après la paire de cylindres étireurs, sont effectués sans frottement et en outre on évite, de façon sûre, la concentration de l'étirage sur un court morceau de la mèche et les dommages causés au fil en formation par suite du frottement et du réchauffement du fil.By means of the use of a device in accordance with the invention, the following results are obtained: the detours of the wire in formation, respectively before and after the pair of stretching cylinders, are carried out without friction and, in addition, it is avoided, in a safe manner , the concentration of the stretch on a short piece of the wick and the damage caused to the wire in formation as a result of friction and heating of the wire.

Les avantages obtenus grâce à la présente invention consistent essentiellement dans la fait qu'il est possible de travailler des fibres textiles de tout type, même courtes et régénérées; qu'à vitesse de production égale et même légèrement supérieure à celle des continus à filer, il est possible d'obtenir une qualité égale ou supérieure à celle obtenue au moyen de métiers à intermittence; qu'il est possible d'effectuer une torsion supplémentaire du fil; qu'un dispositif conforme à l'invention est susceptible d'être adapté à tous les continus à filier actuellement connus.The advantages obtained thanks to the present invention essentially consist in the fact that it is possible to work textile fibers of any type, even short and regenerated; that at a production speed equal to and even slightly higher than that of the continuous spinning mills, it is possible to obtain a quality equal to or greater than that obtained by means of intermittent looms; that it is possible to twist the wire further; that a device according to the invention is capable of being adapted to all the known continuous filier.

L'invention est décrite avec plus de détails dans les pages qui suvent, à l'aide d'un dessin qui en représente un mode de réalisation donné a titre d'exemplé, non limitatif.The invention is described in more detail in the following pages, using a drawing which represents an embodiment thereof given by way of example, without limitation.

La Figure 1 représente la vue d'ensemble d'une forme possible de réalisation d'un appareil conforme à la présente invention.Figure 1 shows the overview of a possible embodiment of an apparatus according to the present invention.

Cet appareil comporte, essentiellement, une paire de rouleaux 2, 2' étireurs, avec axes verticaux, le rouleau 2 moteur et creux, tournant autour de son propre axe, sur commande d'une poulie 30 avec courroie 30' et le rouleau 2' presseur, monté fou sur un plateau 4, horizontal, tournant de manière concordante et coaxiale avec ledit rouleau 2, sur commande d'une poulie 40 avec courroie 40'. Ledit plateau 4 est solidaire d'un support 41 vertical, portant plusieurs (par ex. quatre) poulies de renvoi 42, tournant librement autour de leur propre axe horizontal; deux de ces poulies 42 sont équidistantes du plateau 4 pour permettre au fil en formation de passer horizontalement entre les deux rouleaux d'étirage 2, 2'; les deux autres poulies 42 se trouvent à une distance du plateau 4 supérieure à celle des deux premières et placées de façon à recueillir le mèche 1 à son arrivée des cylindres alimentaires 11 et à diriger le fil 1, à sa sortie des rouleaux d'étirage, vers le cylindre creux 2, dans la direction verticale d'avancement du fil 1.This device essentially comprises a pair of rollers 2, 2 'stretchers, with vertical axes, the motor and hollow roller 2, rotating around its own axis, on command of a pulley 30 with belt 30' and the roller 2 ' presser, mounted idle on a plate 4, horizontal, rotating in a concordant and coaxial manner with said roller 2, on command of a pulley 40 with belt 40 '. Said plate 4 is integral with a vertical support 41, carrying several (eg four) deflection pulleys 42, freely rotating about their own horizontal axis; two of these pulleys 42 are equidistant from the plate 4 to allow the wire in formation to pass horizontally between the two drawing rollers 2, 2 '; the other two pulleys 42 are at a distance from the plate 4 greater than that of the two first and placed so as to collect the wick 1 on its arrival from the food cylinders 11 and to direct the wire 1, at its exit from the drawing rollers, towards the hollow cylinder 2, in the vertical direction of advance of the wire 1.

Une ouverture 43 est prévue dans ledit support 41 pour permettre le contact entre les deux rouleaux 2, 2' d'étirage.An opening 43 is provided in said support 41 to allow contact between the two stretching rollers 2, 2 '.

La différence entre la vitesse de rotation du plateau 4 portant le cylindre presseur 2' et celle du cylindre moteur 2 détermine la vitesses de traction de la mèche 1 et partant le pour centage d'étirage par rapport à la paire de cylindres 11 alimentaire. La rotation du plateau 4 et du support 41 avec les poulies de renvoi 42 détermine la torsion de la mèche 1: les deux mouvements combinés du cylindre moteur 2 et du plateau 4 déterminent la torsion et l'étirage simultanés du même morceau de mèche 1.The difference between the speed of rotation of the plate 4 carrying the pressing cylinder 2 ′ and that of the driving cylinder 2 determines the traction speeds of the wick 1 and therefore the percentage of stretching with respect to the pair of food cylinders 11. The rotation of the plate 4 and of the support 41 with the return pulleys 42 determines the twist of the wick 1: the two combined movements of the driving cylinder 2 and of the plate 4 determine the simultaneous twisting and drawing of the same piece of wick 1.

En dessous du mécanisme permettant la torsion et l'étirage simultanés de la mèche se trouve une broche 6 d'enroulement du fil 1, avec un banc à anneau 7 et un rail 8, tournant autour d'un axe vertical qui se trouve dans la direction d'avancement du fil 1 en formation et tournant en concordance avec ledit plateau 4 de façon à maintenir et rendre définitive la torsion effectuée par les rouleaux d'étirage 2, 2'. La vitesse de rotation de la broche 6 sera égale ou supérieure/inférieure à celle du plateau 4 selon que l'on veuille obtenir uniquement l'enroulement du fil ou une modification en plus/moins de l'importance de la torsion du fil, effectuée par ladit paire de rouleaux 2, 2'.Below the mechanism for simultaneous twisting and stretching of the wick is a spindle 6 for winding the wire 1, with a ring bench 7 and a rail 8, rotating around a vertical axis which is in the direction of advancement of the wire 1 in formation and rotating in accordance with said plate 4 so as to maintain and make final the torsion effected by the drawing rollers 2, 2 '. The speed of rotation of the spindle 6 will be equal to or higher / lower than that of the plate 4 depending on whether one wishes to obtain only the winding of the wire or an addition / minus modification of the importance of the twist of the wire, carried out by said pair of rollers 2, 2 '.

Claims (2)

1. Apparatus for simultaneously twisting and drawing on a spinning frame comprising a pair of withdrawal rollers (2, 2') rotating around their own vertical axis, one (2) driving and hollow and the other (2') loosely rotating on an horizontal plate (4) which rotates around the flow direction of the forming thread (1), apparatus characterized in that a support (41) carrying a plurality of pulleys (42) adapted to smoothly guide the forming thread (1) is integral with said plate (4); these pulleys (42) being arranged so as to orientate the sliver arriving from feed rollers (11) in the flow vertical direction, then to deviate it in a direction perpendicular to the axis of the withdrawal rollers (2, 2') and to guide it in this manner between said withdrawal rollers (2, 2'), and to lastly deviate it and guide it from top to bottom, through the axial hollow of the driving roller (2) in the flow vertical direction towards the winding spindle (6).
2. Apparatus according to claim 1, characterized in tht siad pulleys (42) loosely rotate around their own axis.
EP85830141A 1984-06-08 1985-06-07 Apparatus for simultaneously twisting and drawng on a spinning frame Expired EP0168357B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT09432/84A IT1198863B (en) 1984-06-08 1984-06-08 CONTINUOUS SPINNING METHOD WITH TRUE CONTEMPORARY TORSION AND STRETCHING OF THE SAME WICK AND CONTINUOUS THREADING STRUCTURE TO IMPLEMENT THIS METHOD
IT943284 1984-06-08

Publications (2)

Publication Number Publication Date
EP0168357A1 EP0168357A1 (en) 1986-01-15
EP0168357B1 true EP0168357B1 (en) 1988-04-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP85830141A Expired EP0168357B1 (en) 1984-06-08 1985-06-07 Apparatus for simultaneously twisting and drawng on a spinning frame

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EP (1) EP0168357B1 (en)
DE (1) DE3562393D1 (en)
IT (1) IT1198863B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038231A1 (en) * 1990-11-30 1992-06-04 Fritz Stahlecker METHOD AND SPINNING MACHINE FOR SPINNING FIBER TAPES

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3767220D1 (en) * 1986-04-08 1991-02-14 Ugo Mallardi DEVICE FOR A CONTINUOUSLY WORKING SPINNING MACHINE.
CN105155056B (en) * 2015-07-17 2018-01-19 湖州高歌纺织有限公司 A kind of drawing-off twisting machine
CN117163846A (en) * 2023-11-02 2023-12-05 南通东方船用设备制造有限公司 Marine hoisting equipment with good stability
ES2957300A1 (en) * 2023-11-30 2024-01-16 Llongueras Albert Galan STRETCHING AND TWISTING PROCESS IN SPINNING AND YARN DRAWING AND TWISTING MILL (Machine-translation by Google Translate, not legally binding)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE539653A (en) *
GB163353A (en) * 1919-10-06 1921-05-26 Samuel Halliwell Lawton Improvements in the process of and means for simultaneously twisting and drawing, orfor drawing or for spinning cotton, wool, flax, hemp, silk or like fibres
GB194532A (en) * 1922-03-01 1923-03-15 Theophilus Zachariadis Improvements in and relating to apparatus for drawing and twisting slivers and the like
GB415254A (en) * 1933-07-18 1934-08-23 Thomas Harris Improvements in high-draft apparatus for spinning machines
US2608817A (en) * 1949-11-30 1952-09-02 Reinicke Herbert Spinning mechanism
FR1064410A (en) * 1952-10-14 1954-05-13 Spinning drawing apparatus
US2796725A (en) * 1953-07-23 1957-06-25 Urrutia Tomas Apparatus for simultaneous twisting and stretching, applicable to continuous machines for spinning carded wool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038231A1 (en) * 1990-11-30 1992-06-04 Fritz Stahlecker METHOD AND SPINNING MACHINE FOR SPINNING FIBER TAPES

Also Published As

Publication number Publication date
IT8409432A0 (en) 1984-06-08
DE3562393D1 (en) 1988-06-01
EP0168357A1 (en) 1986-01-15
IT1198863B (en) 1988-12-21

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