EP0348307B1 - Machine for cabling threads comprising a regulation device - Google Patents

Machine for cabling threads comprising a regulation device Download PDF

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Publication number
EP0348307B1
EP0348307B1 EP89420180A EP89420180A EP0348307B1 EP 0348307 B1 EP0348307 B1 EP 0348307B1 EP 89420180 A EP89420180 A EP 89420180A EP 89420180 A EP89420180 A EP 89420180A EP 0348307 B1 EP0348307 B1 EP 0348307B1
Authority
EP
European Patent Office
Prior art keywords
threads
thread
cabling
pulleys
balloon
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.)
Expired - Lifetime
Application number
EP89420180A
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German (de)
French (fr)
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EP0348307A1 (en
Inventor
René Neyraud
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.)
ICBT Lyon SA
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ICBT Lyon SA
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Publication date
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Publication of EP0348307A1 publication Critical patent/EP0348307A1/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/285—Doubled, plied, or cabled threads one yarn running over the feeding spool of another yarn

Definitions

  • the present invention relates to an improvement made to machines making it possible to produce cords, that is to say textile elements of great length obtained by assembling by twist at least two elementary threads.
  • a wiring machine consists of a plurality of identical working positions, arranged side by side, each position comprising an assembly similar to a double twist reel spindle (DT assembly) allowing the two elementary wires (1,2) to be joined by twist.
  • the wire (1) taken from a power source (not shown) arrives at the lower end of the hollow spindle (3) of the DT assembly and passes through a channel drilled radially in a rotary plate (3a) of said pin. Due to the rotation of this spindle, it undergoes a false twist and it forms a balloon (1a) which surrounds the bowl (3b) of the spindle (3) of the DT assembly.
  • a coil (4) of the second wire (2) Inside the bowl (3b) is disposed a coil (4) of the second wire (2).
  • This second wire (2) passes through a braking device (6) carried by the cover (3c) of the bowl (3b).
  • the assembly of the wires (1) and (2) is obtained by twisting by means of an assembly designated by the general reference (7) and commonly called “wiring head” or “regulator”.
  • the invention relates more particularly to such an assembly and will be seen in more detail in the following description.
  • the formed cable (8) After joining by twist of the two wires at the outlet of the wiring head (7), the formed cable (8) passes over a device (9) blocking the rise in torsion then, after possible passage around a return guide ( 10), it is returned to a conventional system designated by the general reference (11).
  • the invention relates more particularly to an improvement made to the wiring head or regulator (7) that such an installation comprises.
  • such wiring heads (7) consist essentially of a rotating assembly mounted in an upper bearing (12) in the axis of the spindle.
  • This rotating assembly essentially comprises two pulleys (13,14) arranged along the same axis transverse to that of the spindle (3) and angularly integral with one another.
  • the wires (1,2) are wound around these pulleys (13,14), then are brought together at the actual wiring point (15) and then pass inside an axial channel of the rotating assembly ( 7) to be brought to the torsion ascent blocking system (9).
  • Such wiring heads with rotary pulleys have been known for a very long time and are described in particular in French patent 1,208,273. It is well known that the rotation drive of the wiring head can be obtained either by the external wire (1 ) forming the balloon (1a) or, optionally, by means of an individual motor allowing perfect synchronism.
  • the balloon voltage (1a) must be sufficient to give a drive torque capable of overcoming the resistive torque of the regulator (or wiring head) and which results from inertia, residual friction.
  • the regulator immediately delays, which causes a reduction in the drive torque, this torque can even be canceled when the delay reaches 180 ° C, which immediately causes a breakage.
  • the invention makes it possible to solve this problem by a simple adaptation of the regulator or wiring head, an adaptation which consists in adding to the eyelet plate of the regulator, disposed below the return pulleys, a frustoconical part allowing the wire (1) forming the outer balloon (1a) to be wound around a reserve groove forming a radius r relative to the axis of the regulator. Thanks to such an embodiment, whatever the angle of delay of the regulator, the wire can provide the drive torque, the reserve radius r never canceling out.
  • the wiring head according to the invention designated by the general reference (7) comprises, mounted inside a bearing (12) fixed to the frame the machine, a rotating assembly comprising two pulleys (13,14), only the pulley (13) being visible in Figure 2. These pulleys (13,14) are mounted on the same transverse axis (16) to the axis XX of the spindle (3) and angularly from one another.
  • the two elementary wires (1,2) are brought around each of the pulleys (13,14) passing through a plate (17) comprising eyelets (18,22) for guiding each of the wires.
  • a plate (17) comprising eyelets (18,22) for guiding each of the wires.
  • FIG 2 only the guide eyelet (18) of the wire (1) is shown.
  • the respective positions of the two guide eyelets (18) and (22) respectively for the wires (1) and (2) are clear from the top view (FIG. 3).
  • the elementary wires (1,2) are joined to the actual wiring point (15) constituted by an eyelet which opens into the longitudinal channel (19) provided inside the body (23) supporting the rollers (13,14).
  • a frustoconical part (20) which allows the wire (1) to wind around a reserve groove (21) of radius r . Thanks to such a frustoconical part, during start-up, any risk of reduction of the drive torque is eliminated, regardless of the delay that the regulator can take during this work phase.
  • an additional circular guide element (24) for example in the form of a disc, is arranged below the frustoconical part (20). This circular element is, for example, fixed to the body of the braking device (6).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Description

La présente invention concerne un perfectionnement apporté aux machines permettant de réaliser des câblés, c'est-à-dire des éléments textiles de grande longueur obtenus par assemblage par torsion d'au moins deux fils élémentaires.The present invention relates to an improvement made to machines making it possible to produce cords, that is to say textile elements of great length obtained by assembling by twist at least two elementary threads.

Elle a trait plus particulièrement à un perfectionnement apporté aux machines du type décrit dans la demande de brevet français no. 84 08 975 (publication : no. 2 565 261).It relates more particularly to an improvement made to machines of the type described in French patent application no. 84 08 975 (publication: no. 2,565,261).

D'une manière générale, et ainsi que cela ressort de la figure 1 annexée qui est une reproduction de celle illustrant le brevet précité, une machine de câblage est constituée d'une pluralité de positions de travail identiques, disposées côte à côte, chaque position comportant un ensemble analogue à une broche double torsion dévideuse (ensemble DT) permettant de réunir par torsion les deux fils élémentaires (1,2). Le fil (1) prélevé d'une source d'alimentation non représentée arrive à l'extrémité inférieure de la broche creuse (3) de l'ensemble DT et passe au travers d'un canal percé radialement dans un plateau rotatif (3a) de ladite broche. En raison de la rotation de cette broche, il subit une fausse torsion et il forme un ballon (1a) qui entoure la cuvette (3b) de la broche (3) de l'ensemble DT. A l'intérieur de la cuvette (3b), est disposée une bobine (4) du second fil (2). Ce second fil (2) passe au travers d'un dispositif de freinage (6) porté par le couvercle (3c) de la cuvette (3b). L'assemblage des fils (1) et (2) est obtenu par torsion au moyen d'un ensemble désigné par la référence générale (7) et communément appelé "tête de câblage" ou "régulateur". L'invention porte plus particulièrement sur ce tel ensemble et sera vue plus en détail dans la suite de la description. Après réunion par torsion des deux fils à la sortie de la tête de câblage (7), le câblé formé (8) passe sur un dispositif (9) bloquant la remontée de torsion puis, après passage éventuel autour d'un guide de renvoi (10), il est renvidé sur un système conventionnel désigné par la référence générale (11).In general, and as can be seen from the appended FIG. 1 which is a reproduction of that illustrating the aforementioned patent, a wiring machine consists of a plurality of identical working positions, arranged side by side, each position comprising an assembly similar to a double twist reel spindle (DT assembly) allowing the two elementary wires (1,2) to be joined by twist. The wire (1) taken from a power source (not shown) arrives at the lower end of the hollow spindle (3) of the DT assembly and passes through a channel drilled radially in a rotary plate (3a) of said pin. Due to the rotation of this spindle, it undergoes a false twist and it forms a balloon (1a) which surrounds the bowl (3b) of the spindle (3) of the DT assembly. Inside the bowl (3b) is disposed a coil (4) of the second wire (2). This second wire (2) passes through a braking device (6) carried by the cover (3c) of the bowl (3b). The assembly of the wires (1) and (2) is obtained by twisting by means of an assembly designated by the general reference (7) and commonly called "wiring head" or "regulator". The invention relates more particularly to such an assembly and will be seen in more detail in the following description. After joining by twist of the two wires at the outlet of the wiring head (7), the formed cable (8) passes over a device (9) blocking the rise in torsion then, after possible passage around a return guide ( 10), it is returned to a conventional system designated by the general reference (11).

Comme dit précédemment, l'invention porte plus particulièrement sur un perfectionnement apporté à la tête de câblage ou régulateur (7) que comporte une telle installation.As said previously, the invention relates more particularly to an improvement made to the wiring head or regulator (7) that such an installation comprises.

D'une manière générale, à ce jour, de telles têtes de câblage (7) sont constituées essentiellement par un ensemble tournant monté dans un palier supérieur (12) dans l'axe de la broche. Cet ensemble tournant comprend essentiellement deux poulies (13,14) disposées suivant un même axe transversal à celui de la broche (3) et angulairement solidaires l'une de l'autre. Les fils (1,2) s'enroulent autour de ces poulies (13,14), puis sont réunis au point de câblage proprement dit (15) et passent alors à l'intérieur d'un canal axial de l'ensemble tournant (7) pour être amenés au système bloqueur de remontée de torsion (9). De telles têtes de câblage à poulies rotatives sont connues depuis fort longtemps et sont décrites notamment dans le brevet français 1 208 273. Il est bien connu que l'entraînement en rotation de la tête de câblage peut être obtenu soit par le fil extérieur (1) formant le ballon (1a) soit, éventuellement, au moyen d'un moteur individuel permettant un synchronisme parfait.In general, to date, such wiring heads (7) consist essentially of a rotating assembly mounted in an upper bearing (12) in the axis of the spindle. This rotating assembly essentially comprises two pulleys (13,14) arranged along the same axis transverse to that of the spindle (3) and angularly integral with one another. The wires (1,2) are wound around these pulleys (13,14), then are brought together at the actual wiring point (15) and then pass inside an axial channel of the rotating assembly ( 7) to be brought to the torsion ascent blocking system (9). Such wiring heads with rotary pulleys have been known for a very long time and are described in particular in French patent 1,208,273. It is well known that the rotation drive of the wiring head can be obtained either by the external wire (1 ) forming the balloon (1a) or, optionally, by means of an individual motor allowing perfect synchronism.

Dans le cas où l'entraînement en rotation de la tête de câblage est obtenu par le ballon du fil (1a), l'un des problèmes qui se pose est celui de la mise en route de la position de travail étant donné, que lors de cette phase opératoire, il est nécessaire que la tension du ballon (1a) soit suffisante pour donner un couple d'entraînement capable de vaincre le couple résistant du régulateur (ou tête de câblage) et qui résulte de
l'inertie, des frottements résiduels. En effet, dans l'hypothèse inverse, le régulateur prend immédiatement du retard, ce qui provoque une réduction du couple d'entraînement, ce couple pouvant même être annulé lorsque le retart atteint 180°C, ce qui provoque immédiatement une casse.In the case where the wiring head is driven in rotation by the wire balloon (1a), one of the problems which arises is that of starting the working position, given that of this operating phase, the balloon voltage (1a) must be sufficient to give a drive torque capable of overcoming the resistive torque of the regulator (or wiring head) and which results from
inertia, residual friction. Indeed, in the opposite hypothesis, the regulator immediately delays, which causes a reduction in the drive torque, this torque can even be canceled when the delay reaches 180 ° C, which immediately causes a breakage.

L'invention permet de résoudre ce problème par une adaptation simple du régulateur ou tête de câblage, adaptation qui consiste à adjoindre au plateau porte-oeillets du régulateur, disposé en dessous des poulies de renvoi, une partie tronconique permettant au fil (1) formant le ballon extérieur (1a) de s'enrouler autour d'une gorge de réserve formant un rayon r par rapport à l'axe du régulateur. Grâce à un tel mode de réalisation, quelque soit l'angle de retard du régulateur, le fil peut assurer le couple d'entraînement, le rayon r de réserve ne s'annulant jamais.The invention makes it possible to solve this problem by a simple adaptation of the regulator or wiring head, an adaptation which consists in adding to the eyelet plate of the regulator, disposed below the return pulleys, a frustoconical part allowing the wire (1) forming the outer balloon (1a) to be wound around a reserve groove forming a radius r relative to the axis of the regulator. Thanks to such an embodiment, whatever the angle of delay of the regulator, the wire can provide the drive torque, the reserve radius r never canceling out.

L'invention et les avantages qu'elle apporte seront cependant mieux compris grâce à l'exemple de réalisation donné ci-après à titre indicatif mais non limitatif et qui est illustré par les schémas annexés dans lesquels :

  • la figure 1 illustre, comme dit précédemment, l'ensemble d'une machine de câblage comportant une tête de câblage (ou régulateur) à roulettes et dont l'entraînement en rotation est obtenu par le ballon formé par l'un des deux fils destinés à former le câblé ;
  • la figure 2 est une vue de détail en coupe d'une tête de câblage (ou régulateur) réalisée conformément à l'invention ;
  • la figure 3 est une vue schématique de dessus en coupe BB illustrant la manière dont les deux fils sont amenés aux roulettes d'une tête de câblage conforme à l'invention afin d'obtenir un couple d'entraînement lors de la mise en route.
The invention and the advantages which it brings will however be better understood thanks to the example of embodiment given below for information but not limitation and which is illustrated by the appended diagrams in which:
  • FIG. 1 illustrates, as said previously, the assembly of a wiring machine comprising a wiring head (or regulator) with rollers and whose rotation drive is obtained by the balloon formed by one of the two wires intended to form the cable;
  • Figure 2 is a detailed sectional view of a wiring head (or regulator) produced in accordance with the invention;
  • Figure 3 is a schematic top view in section BB illustrating the way in which the two wires are brought to the rollers of a wiring head according to the invention in order to obtain a drive torque during start-up.

L'invention porte, comme dit précédemment, sur un perfectionnement apporté aux têtes de câblage (ou régulateur) utilisé sur les machines du type illustré par la figure 1 et dont la structure générale a été détaillée précédemment et ne sera donc pas reprise à ce stade de la description. Conformément à l'invention et ainsi que cela ressort de la figure 2, la tête de câblage conforme à l'invention désignée par la référence générale (7) comporte, monté à l'intérieur d'un palier (12) fixé au bâti de la machine, un ensemble tournant comprenant deux poulies (13,14), seule la poulie (13) étant visible à la figure 2. Ces poulies (13,14) sont montées sur un même axe transversal (16) à l'axe XX de la broche (3) et angulairement l'une de l'autre. Les deux fils élémentaires (1,2) sont amenés autour de chacune des poulies (13,14) en passant au travers d'un plateau (17) comportant des oeillets (18,22) de guidage pour chacun des fils. A la figure 2, seul l'oeillet de guidage (18) du fil (1) est représenté. Les positions respectives des deux oeillets de guidage (18) et (22) respectivement pour les fils (1) et (2) ressortent clairement de la vue de dessus (figure 3).The invention relates, as said previously, to an improvement made to the wiring heads (or regulator) used on machines of the type illustrated in FIG. 1 and the general structure of which has been detailed previously and will therefore not be repeated at this stage. from the description. According to the invention and as shown in Figure 2, the wiring head according to the invention designated by the general reference (7) comprises, mounted inside a bearing (12) fixed to the frame the machine, a rotating assembly comprising two pulleys (13,14), only the pulley (13) being visible in Figure 2. These pulleys (13,14) are mounted on the same transverse axis (16) to the axis XX of the spindle (3) and angularly from one another. The two elementary wires (1,2) are brought around each of the pulleys (13,14) passing through a plate (17) comprising eyelets (18,22) for guiding each of the wires. In Figure 2, only the guide eyelet (18) of the wire (1) is shown. The respective positions of the two guide eyelets (18) and (22) respectively for the wires (1) and (2) are clear from the top view (FIG. 3).

A la sortie des deux poulies (13,14), les fils élémentaires (1,2) sont réunis au point de câblage proprement dit (15) constitué par un oeillet qui débouche dans le canal longitudinal (19) prévu à l'intérieur du corps (23) support des roulettes (13,14).At the outlet of the two pulleys (13,14), the elementary wires (1,2) are joined to the actual wiring point (15) constituted by an eyelet which opens into the longitudinal channel (19) provided inside the body (23) supporting the rollers (13,14).

Conformément à l'invention, en dessous du plateau porte-oeillets (17) est disposée une partie tronconique (20) qui permet au fil (1) de s'enrouler autour d'une gorge de réserve (21) de rayon r. Grâce à une telle partie tronconique, lors de la mise en route, on élimine tout risque de réduction du couple d'entraînement et ce, quelque soit le retard que peut prendre le régulateur lors de cette phase de travail. De préférence, pour faciliter le positionnement du fil au fond de la réserve (21) lors de la mise en route, un élément de guidage additionnel (24) circulaire, par exemple sous la forme d'un disque, est disposé en dessous de la partie tronconique (20). Cet élément circulaire est, par exemple, fixé sur le corps du dispositif de freinage (6).According to the invention, below the eyelet holder plate (17) is disposed a frustoconical part (20) which allows the wire (1) to wind around a reserve groove (21) of radius r . Thanks to such a frustoconical part, during start-up, any risk of reduction of the drive torque is eliminated, regardless of the delay that the regulator can take during this work phase. Preferably, to facilitate positioning of the wire at the bottom of the reserve (21) during start-up, an additional circular guide element (24), for example in the form of a disc, is arranged below the frustoconical part (20). This circular element is, for example, fixed to the body of the braking device (6).

Claims (2)

1. A thread cabling machine provided with an improved regulator device (or cabling head) (7) in which each work station consists of a DT unit similar to a double-twist unwinding spindle which enables the two elementary threads (1) and (2) to be united by twisting, one of the threads (1) forming a balloon (1a) which surrounds the bowl (3b) inside which the spool (4) of the second thread is disposed, the two threads (1,2) being joined together on the cabling head (7) consisting of a unit comprising two pulleys (13,14) mounted on a support driven rotationally by the balloon (1a) of the thread (1), characterized in that an eyes carrier plate (17) disposed under the rotary pulleys (13,14) and enabling the threads (1) and (2) to be brought to said pulleys is provided with a frustoconical part (20) enabling the thread (1) forming the external balloon (1a) to wind around a reserve groove (21) forming a radius r relative to the axis X-X of the unit (7).
2. A cabling machine as claimed in claim 1, characterized in that an additional circular guide member (24) in the form of a disk is disposed beneath the frustoconical part (20) in order to facilitate the positioning of the thread (1) around the reserve groove (21) on starting up.
EP89420180A 1988-06-21 1989-05-23 Machine for cabling threads comprising a regulation device Expired - Lifetime EP0348307B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8808561 1988-06-21
FR8808561A FR2632981B1 (en) 1988-06-21 1988-06-21 WIRE WIRING MACHINE COMPRISING AN IMPROVED REGULATOR DEVICE

Publications (2)

Publication Number Publication Date
EP0348307A1 EP0348307A1 (en) 1989-12-27
EP0348307B1 true EP0348307B1 (en) 1992-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420180A Expired - Lifetime EP0348307B1 (en) 1988-06-21 1989-05-23 Machine for cabling threads comprising a regulation device

Country Status (5)

Country Link
US (1) US4945720A (en)
EP (1) EP0348307B1 (en)
JP (1) JPH0247320A (en)
DE (1) DE68902194T2 (en)
FR (1) FR2632981B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267430A (en) * 1989-07-21 1993-12-07 L. Payen Et Cie Apparatus for the continuous production of an elastane-based elastic yarn
FR2673956B1 (en) * 1991-03-14 1993-05-28 Ic Bt Lyon WIRE WIRING MACHINE COMPRISING AN IMPROVED VOLTAGE AND LENGTH REGULATOR ASSEMBLY.
FR2667879B1 (en) * 1990-10-11 1992-12-11 Icbt Lyon WIRE WIRING MACHINE COMPRISING AN IMPROVED REGULATING DEVICE.
EP0480852A1 (en) * 1990-10-11 1992-04-15 Ic-Bt Lyon Cabling machine for threads comprising regulating device
DE4309474C1 (en) * 1993-03-24 1994-05-19 Saurer Allma Gmbh Tension control on cabling machine with two-for-one twisting spindles - has roller pairs in enclosed housing which can be threaded up by suction generated through an air gun
FR2732043B1 (en) * 1995-03-24 1997-04-25 Icbt Valence PERFECTIONED MACHINE ALLOWING TO PERFORM, CONTINUOUSLY, TWISTING OR WIRING OF WIRES FOLLOWING AN ADDITIONAL HEAT TREATMENT
JP2007291568A (en) * 2006-04-26 2007-11-08 Murata Mach Ltd Apparatus for parallel arrangement and yarn twisting machine equipped with the same
FR2931486B1 (en) * 2008-05-22 2010-06-18 Ritm WIRING DEVICE FOR CARRYING OUT A DIRECT WIRING METHOD OF TWO COMPONENTS OR WIRES ON A TEXTILE WIRE MACHINE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041815A (en) * 1956-05-23 1962-07-03 Deering Milliken Res Corp Strand tensioning and metering apparatus
FR1202572A (en) * 1957-10-09 1960-01-12 Onderzoekings Inst Res Apparatus for twisting together two threads
GB1197075A (en) * 1967-07-31 1970-07-01 Alfred W Vibber Improvements relating to Low Tension Strand Plying Apparatus and Method
FR2539765B1 (en) * 1983-01-20 1985-09-20 Asa Sa MACHINE FOR WIRING WIRES AND ESPECIALLY GLASS WIRES
FR2565261B1 (en) * 1984-06-05 1987-05-15 Verdol Sa PROCESS FOR THE PRODUCTION OF HIGHLY REGULAR CABLES THREADS AND DEVICE FOR ITS IMPLEMENTATION

Also Published As

Publication number Publication date
US4945720A (en) 1990-08-07
EP0348307A1 (en) 1989-12-27
JPH0247320A (en) 1990-02-16
DE68902194T2 (en) 1993-03-11
DE68902194D1 (en) 1992-08-27
FR2632981A1 (en) 1989-12-22
FR2632981B1 (en) 1990-09-21

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