EP2918533A1 - Device for generating a false twist in a strand - Google Patents

Device for generating a false twist in a strand Download PDF

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Publication number
EP2918533A1
EP2918533A1 EP14305342.9A EP14305342A EP2918533A1 EP 2918533 A1 EP2918533 A1 EP 2918533A1 EP 14305342 A EP14305342 A EP 14305342A EP 2918533 A1 EP2918533 A1 EP 2918533A1
Authority
EP
European Patent Office
Prior art keywords
strand
guiding
conveyor structure
disc
disk
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.)
Granted
Application number
EP14305342.9A
Other languages
German (de)
French (fr)
Other versions
EP2918533B1 (en
Inventor
Philippe Massotte
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.)
Superba SAS
Original Assignee
Superba SAS
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 Superba SAS filed Critical Superba SAS
Priority to EP14305342.9A priority Critical patent/EP2918533B1/en
Priority to US14/643,370 priority patent/US10053800B2/en
Priority to CN201510104189.3A priority patent/CN104911768A/en
Publication of EP2918533A1 publication Critical patent/EP2918533A1/en
Application granted granted Critical
Publication of EP2918533B1 publication Critical patent/EP2918533B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/024—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting with provision for imparting irregular effects to the yarn
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/015—Gathering a plurality of forwarding filamentary materials into a bundle
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/02—Bulking, e.g. looping
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B17/00—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours
    • D06B17/005—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours in helical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to the field of carpet yarn processing systems and more particularly to the field of yarn displacement management devices in these processing systems.
  • the differences in output by the coils of recovery are of the order of 200 meters or nearly 1% difference.
  • the object of the present invention is to overcome these disadvantages by proposing a device that makes it possible to reduce or even eliminate these flux variations of treated son to obtain homogeneity, on the one hand, in the unwinding and on the other hand, in the recovery of the wire by the coils while being adaptable on existing son processing systems.
  • the invention thus relates to a device for guiding a strand of at least two son on a conveyor structure, characterized in that the device involves a mechanism for generating false twists between the at least two son of the strand.
  • the invention also relates to a carpet son treatment system, characterized in that the system comprises in particular a device for guiding a strand of at least one wire on a conveyor structure according to the invention, this guiding device. a strand being positioned between a wire or strand feed mechanism and a strand removal mechanism on a conveyor structure.
  • the invention also relates to a method of guiding a strand of at least two son on a conveyor structure characterized in that it comprises at least one step of generating a false torsion of the strand prior to the step laying the strand on the conveyor structure.
  • the present invention relates to a device for guiding a strand 1 of at least two wires on a conveyor structure, characterized in that the device involves a mechanism 2 for generating false twists between the at least two wires of the strand 1
  • the generation of false twists between the wires of the strand 1 allows a modification along the strand 1 of the position of these wires at a section of the strand 1.
  • This change of position of the wires thanks to these successive false twists allows to obtain homogeneity in the distribution of each of the yarns within the strand 1.
  • the same yarn will be positioned successively and cyclically at different positions of the strand 1 during the formation of this strand 1 of son from a feed mechanism comprising a plurality of son coils.
  • each of the wires By virtue of this homogenized distribution of each of the wires along the strand 1, the length variations of each of the wires due to their respective positions in the strand 1 when this strand 1 is deposited in loops on a displacement structure such as a transport band, are reduced or even eliminated.
  • each of the wires is brought and guided, thanks to several false twists, to be positioned successively and alternately with different positions inside or on the periphery of the strand 1.
  • the mechanism 2 for generating false twists is positioned at a portion of the son of the strand 1 which has an axial tension sufficiently low for a torsion can be performed on its structure. Indeed, in case of excessive axial tension, a twist of the strand 1 could be at the origin of a risk of rupture of one or more son of the strand 1.
  • the mechanism 2 for generating false twists is positioned downstream of a mechanism for regulating the voltage of the strand 1 supply wires. son is upstream of the voltage regulation mechanism, between the supply coils and this regulation mechanism which pulls, upstream, the son from their coils to supply, downstream, the formation of the strand 1.
  • this voltage regulation mechanism is achieved by one or more rollers rotatably mounted around their respective axes.
  • the son which feed the strand 1 are then arranged on all or part of the periphery of these rollers to be driven in displacement by these rollers.
  • the axis of these rollers is thus positioned substantially perpendicular to the axis of displacement of the different son of supply of the strand 1.
  • the rollers of the mechanism of regulation of the tension also taking part in the training of the wires intended to form the strand 1, the tension is then exerted on these threads only upstream of this mechanism during unwinding of the supply coils; this tension being released downstream of these rollers at the mechanism 2 for generating false twists.
  • the disk 3 comprises a number of perforations of the same order of magnitude as the number of wires that make up the strand 1. A wire or a group of wires is then arranged so as to pass through a respective perforation which will guide this thread or group of threads to position it in the strand 1 being formed. The pendular rotation of the disc 3 thus allows the regular generation of false twists along the strand 1.
  • the carrier structure 4 of the disc 3 can thus be formed by an annular structure which surrounds the entire disc 3.
  • the disk 3 is rotatably mounted on the supporting structure 4 by means of a ball bearing 6.
  • This bearing 6 thus has the advantage of optimizing the reduction of friction between the disk 3 and the annular structure 4 which carries the disk 3.
  • the structure 4 which carries the disc 3 simply comprises a portion in an arc and intended to interact with the peripheral edge of the disc 3.
  • the peripheral edge of the disc 3 is then mounted sliding at the level of this portion in an arc while allowing the positioning of the disc 3 in a plane substantially perpendicular to the axis of movement of the strand 2.
  • the transmission of the pendular rotational movement between the actuating motor 5 and the rotating disc 3 involves at least one driving belt that can be notched. At least a portion of this drive belt is thus positioned on at least a portion of the periphery of the disk 3; another portion of this belt being driven by an element actuated by the actuating motor.
  • the transmission of the pendular rotational movement between the actuating motor 5 and the rotating disc 3 involves at least one gear of the gear type cooperating with a toothed structure disposed on the periphery of the rotating disc 3.
  • the actuating motor 5 is associated with a control means allowing management of the amplitude and / or the speed of the rotational rotation of the rotating disc 3.
  • the motor 5 for actuating the rotation of the disc 3 the latter generates pendulum rotations of at least a quarter turn of the disc 3 in opposite directions.
  • the latter According to a second embodiment of the motor 5 for actuating the rotation of the disk 3, the latter generates pendular rotations of at least one half-turn of the disk 3 in opposite directions.
  • the latter According to a third embodiment of the motor 5 for actuating the rotation of the disk 3, the latter generates pendular rotations of at least one complete revolution of the disk 3 in opposite directions.
  • the twists operated on the strand 1 son are the result of friction and deformation of the entire strand 1 already formed and not a modification of the distribution of the yarns during the very step of the deformation of the strand 1.
  • the invention also relates to a system for treating carpet yarns, characterized in that the system comprises in particular a device for guiding a strand 1 of at least one yarn on a conveyor structure according to the invention. guiding a strand 1 being positioned between a feed mechanism son or strand 1 and a mechanism for removing the strand 1 on a conveyor structure.
  • the invention also relates to a method of guiding a strand 1 of at least two wires on a conveyor structure characterized in that it comprises at least one step of generating at least one false twist of the strand 1 prior to the laying step of the strand 1 on the conveyor structure.

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

Abstract

La présente invention a pour objet un dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse, caractérisé en ce que le dispositif fait intervenir un mécanisme (2) de génération de fausses torsions entre les au moins deux fils du toron (1).The present invention relates to a device for guiding a strand (1) of at least two wires on a conveyor structure, characterized in that the device involves a mechanism (2) for generating false twists between the at least two strands. two strand wires (1).

Description

La présente invention se rapporte au domaine des systèmes de traitement de fils pour tapis et plus particulièrement au domaine des dispositifs de gestion du déplacement de fils dans ces systèmes de traitement.The present invention relates to the field of carpet yarn processing systems and more particularly to the field of yarn displacement management devices in these processing systems.

Actuellement, lors d'un traitement conjoint de plusieurs fils, l'ensemble des fils traités, provenant de plusieurs bobines, sont réunis pour réaliser un toron. Ce toron est alors déposé sous forme de boucles plates sur une structure de déplacement, telle qu'une bande de transport. Un exemple de dispositif permettant d'opérer cette dépose d'un toron de fils sous la forme de boucles plates est détaillé dans la publication FR 2 581 631 . Un tel dispositif permet d'opérer une dépose homogène, uniforme, sans tension et continue du toron de fils sur la bande de transport dans le système de traitement. En sortie du système de traitement, cette dépose homogène autorise une reprise facilitée de sorte que les différents fils du toron sont alors séparés facilement pour permettre une alimentation des bobines respectives.Currently, during a joint processing of several threads, all of the treated threads, coming from several coils, are joined to form a strand. This strand is then deposited in the form of flat loops on a displacement structure, such as a conveyor belt. An example of a device for operating this removal of a son strand in the form of flat loops is detailed in the publication. FR 2,581,631 . Such a device makes it possible to operate a homogeneous, uniform, tensionless and continuous laying of the son strand on the conveyor belt in the treatment system. At the output of the treatment system, this homogeneous deposition allows easy recovery so that the various son of the strand are then easily separated to allow a supply of the respective coils.

Cependant, suite aux différentes opérations de traitement effectuées sur ce toron de plusieurs fils traités simultanément, il a été observé que pour un même toron traité, certaines bobines d'alimentation du toron en fils se dévidaient plus rapidement que d'autres. Cette différence de dévidement a été remarquée alors que les longueurs de fils de ces différentes bobines sont toutes identiques.However, following the various processing operations carried out on this strand of several son treated simultaneously, it was observed that for the same strand treated, some wire strand feed coils unwound faster than others. This difference in unwinding has been noticed while the wire lengths of these different coils are all identical.

Ainsi, pour des bobines de fils de 20 000 mètres de longueur insérées simultanément dans le système de traitement, les différences en sortie par les bobines de reprise sont de l'ordre de 200 mètres soit près de 1% de différence.Thus, for wire coils of 20 000 meters length inserted simultaneously into the processing system, the differences in output by the coils of recovery are of the order of 200 meters or nearly 1% difference.

De telles différences, d'une part, dans le dévidement de bobines d'alimentation et, d'autre part, dans l'alimentation des bobines de reprise, conduisent alors non seulement à un problème dans la gestion des opérations du remplacement des bobines, en amont et en aval du système de traitement, mais surtout à un défaut d'homogénéité entre les différentes bobines de fils traités obtenues en sortie de système.Such differences, on the one hand, in the unwinding of supply coils and, on the other hand, in the supply of the recovery coils, then lead not only to a problem in the management of the operations of replacing the coils, upstream and downstream of the treatment system, but above all to a lack of homogeneity between the various coils of treated son obtained at the output of the system.

La présente invention a pour but de pallier ces inconvénients en proposant un dispositif qui permet de réduire voire de supprimer ces variations de flux de fils traités pour obtenir une homogénéité, d'une part, dans le dévidement et, d'autre part, dans la reprise du fil par les bobines tout en étant adaptable sur des systèmes de traitement de fils existants.The object of the present invention is to overcome these disadvantages by proposing a device that makes it possible to reduce or even eliminate these flux variations of treated son to obtain homogeneity, on the one hand, in the unwinding and on the other hand, in the recovery of the wire by the coils while being adaptable on existing son processing systems.

L'invention a ainsi pour objet un dispositif de guidage d'un toron d'au moins deux fils sur une structure transporteuse, caractérisé en ce que le dispositif fait intervenir un mécanisme de génération de fausses torsions entre les au moins deux fils du toron.The invention thus relates to a device for guiding a strand of at least two son on a conveyor structure, characterized in that the device involves a mechanism for generating false twists between the at least two son of the strand.

L'invention porte aussi sur un système de traitement de fils pour tapis, caractérisé en ce que le système comprend notamment un dispositif de guidage d'un toron d'au moins un fil sur une structure transporteuse selon l'invention, ce dispositif de guidage d'un toron étant positionné entre un mécanisme d'alimentation en fils ou toron et un mécanisme de dépose du toron sur une structure transporteuse.The invention also relates to a carpet son treatment system, characterized in that the system comprises in particular a device for guiding a strand of at least one wire on a conveyor structure according to the invention, this guiding device. a strand being positioned between a wire or strand feed mechanism and a strand removal mechanism on a conveyor structure.

L'invention a également pour objet un procédé de guidage d'un toron d'au moins deux fils sur une structure transporteuse caractérisée en ce qu'il comprend au moins une étape de génération d'une fausse torsion du toron préalablement à l'étape de pose du toron sur la structure transporteuse.The invention also relates to a method of guiding a strand of at least two son on a conveyor structure characterized in that it comprises at least one step of generating a false torsion of the strand prior to the step laying the strand on the conveyor structure.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une représentation schématique de fils sur un premier exemple de réalisation d'un dispositif selon l'invention,
  • la figure 2 est une représentation schématique du premier exemple de réalisation du dispositif selon l'invention sans fils,
  • la figure 3 est une représentation schématique d'un second exemple de réalisation d'un dispositif selon l'invention.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • the figure 1 is a schematic representation of son on a first embodiment of a device according to the invention,
  • the figure 2 is a schematic representation of the first embodiment of the device according to the invention without wires,
  • the figure 3 is a schematic representation of a second embodiment of a device according to the invention.

La présente invention porte sur un dispositif de guidage d'un toron 1 d'au moins deux fils sur une structure transporteuse, caractérisé en ce que le dispositif fait intervenir un mécanisme 2 de génération de fausses torsions entre les au moins deux fils du toron 1. La génération de fausses torsions entre les fils du toron 1 permet une modification le long du toron 1 de la position de ces fils au niveau d'une section du toron 1. Ce changement de position des fils grâce à ces fausses torsions successives permet d'obtenir une homogénéité dans la répartition de chacun des fils au sein du toron 1. Ainsi, un même fil sera positionné successivement et de façon cyclique à différentes positions du toron 1 lors de la formation de ce toron 1 de fils depuis un mécanisme d'alimentation comportant plusieurs bobines de fils.The present invention relates to a device for guiding a strand 1 of at least two wires on a conveyor structure, characterized in that the device involves a mechanism 2 for generating false twists between the at least two wires of the strand 1 The generation of false twists between the wires of the strand 1 allows a modification along the strand 1 of the position of these wires at a section of the strand 1. This change of position of the wires thanks to these successive false twists allows to obtain homogeneity in the distribution of each of the yarns within the strand 1. Thus, the same yarn will be positioned successively and cyclically at different positions of the strand 1 during the formation of this strand 1 of son from a feed mechanism comprising a plurality of son coils.

Grâce à cette répartition homogénéisée respective de chacun des fils le long du toron 1, les variations de longueur de chacun des fils dues à leurs positions respectives dans le toron 1 lorsque ce toron 1 est déposé en boucles sur une structure de déplacement telle qu'une bande de transport, se trouvent réduites, voire supprimées. En effet, au cours de la formation du toron 1 par regroupement de plusieurs fils provenant d'un mécanisme d'alimentation de plusieurs bobines, chacun des fils est amené et guidé, grâce à plusieurs fausses torsions, pour être positionné successivement et alternativement à différentes positions à l'intérieur ou sur la périphérie du toron 1.By virtue of this homogenized distribution of each of the wires along the strand 1, the length variations of each of the wires due to their respective positions in the strand 1 when this strand 1 is deposited in loops on a displacement structure such as a transport band, are reduced or even eliminated. In fact, during the formation of the strand 1 by grouping several wires coming from a feed mechanism of several coils, each of the wires is brought and guided, thanks to several false twists, to be positioned successively and alternately with different positions inside or on the periphery of the strand 1.

Cette répartition homogène de la structure de chacun des fils au sein d'un toron 1 lors de la formation de celui-ci permet d'homogénéiser la vitesse de dépose de ces fils au sein du toron 1 sur la structure de déplacement, et donc l'alimentation et la reprise de chacun de ces fils, respectivement, en amont et en aval d'un système de traitement.This homogeneous distribution of the structure of each of the son within a strand 1 during the formation of it allows to homogenize the speed of removal of these son within the strand 1 on the displacement structure, and therefore the l supply and recovery of each of these son, respectively, upstream and downstream of a treatment system.

Selon un mode de construction préféré qui n'est pas limitatif de l'invention, le mécanisme 2 de génération de fausses torsions est positionné au niveau d'une portion des fils du toron 1 qui présente une tension axiale suffisamment basse pour qu'une torsion puisse être effectuée sur sa structure. En effet, en cas de tension axiale trop importante, une torsion du toron 1 pourrait être à l'origine d'un risque de rupture d'un ou de plusieurs fils du toron 1.According to a preferred embodiment which is not limiting of the invention, the mechanism 2 for generating false twists is positioned at a portion of the son of the strand 1 which has an axial tension sufficiently low for a torsion can be performed on its structure. Indeed, in case of excessive axial tension, a twist of the strand 1 could be at the origin of a risk of rupture of one or more son of the strand 1.

Selon une particularité de réalisation non-limitative de l'invention, le mécanisme 2 de génération de fausses torsions est positionné en aval d'un mécanisme de régulation de la tension des fils d'alimentation du toron 1. De ce fait, la tension des fils se situe en amont du mécanisme de régulation de la tension, entre les bobines d'alimentation et ce mécanisme de régulation qui tracte, en amont, les fils depuis leurs bobines pour alimenter, en aval, la formation du toron 1.According to a non-limiting embodiment of the invention, the mechanism 2 for generating false twists is positioned downstream of a mechanism for regulating the voltage of the strand 1 supply wires. son is upstream of the voltage regulation mechanism, between the supply coils and this regulation mechanism which pulls, upstream, the son from their coils to supply, downstream, the formation of the strand 1.

Selon une particularité de construction, ce mécanisme de régulation de la tension est réalisé par un ou plusieurs rouleaux montés rotatifs autour de leurs axes respectifs. Les fils qui alimentent le toron 1 sont alors disposés sur toute ou une partie de la périphérie de ces rouleaux pour être entrainés en déplacement par ces rouleaux. L'axe de ces rouleaux se trouve ainsi positionné de façon sensiblement perpendiculaire à l'axe de déplacement des différents fils d'alimentation du toron 1. Les rouleaux du mécanisme de régulation de la tension participant également à l'entraînement des fils destinés à former le toron 1, la tension n'est alors exercée sur ces fils qu'en amont de ce mécanisme lors du dévidement des bobines d'alimentation; cette tension étant relâchée en aval de ces rouleaux au niveau du mécanisme 2 de génération de fausses torsions.According to a construction feature, this voltage regulation mechanism is achieved by one or more rollers rotatably mounted around their respective axes. The son which feed the strand 1 are then arranged on all or part of the periphery of these rollers to be driven in displacement by these rollers. The axis of these rollers is thus positioned substantially perpendicular to the axis of displacement of the different son of supply of the strand 1. The rollers of the mechanism of regulation of the tension also taking part in the training of the wires intended to form the strand 1, the tension is then exerted on these threads only upstream of this mechanism during unwinding of the supply coils; this tension being released downstream of these rollers at the mechanism 2 for generating false twists.

Selon un premier mode de réalisation du mécanisme 2 de génération de fausses torsions comprend :

  • un disque 3 comportant des perforations 3a traversantes, de sorte que différents fils du toron 1 soient en mesure de traverser le disque 3 au niveau de perforations respectives, le disque 3 étant arrangé pour opérer un mouvement rotatif pendulaire autour d'un axe perpendiculaire au plan du disque 3.
According to a first embodiment of the mechanism 2 for generating false twists comprises:
  • a disc 3 having perforations 3a therethrough, so that different son of the strand 1 are able to pass through the disc 3 at respective perforations, the disc 3 being arranged to operate a pendulum rotary movement about an axis perpendicular to the plane disk 3.

Selon ce premier mode de réalisation, le disque 3 comporte un nombre de perforations du même ordre de grandeur que le nombre de fils qui compose le toron 1. Un fil ou un groupe de fils est alors disposé de façon à traverser une perforation respective qui va guider ce fil ou ce groupe de fils pour le positionner dans le toron 1 en cours de formation. La rotation pendulaire du disque 3 permet ainsi la génération régulière de fausses torsions le long du toron 1.According to this first embodiment, the disk 3 comprises a number of perforations of the same order of magnitude as the number of wires that make up the strand 1. A wire or a group of wires is then arranged so as to pass through a respective perforation which will guide this thread or group of threads to position it in the strand 1 being formed. The pendular rotation of the disc 3 thus allows the regular generation of false twists along the strand 1.

Selon une particularité de réalisation de ce premier mode de réalisation, le mécanisme 2 de génération de fausses torsions comprend également :

  • une structure porteuse 4 du disque 3 associée à un bâti et arrangée pour porter le disque 3 au niveau d'au moins une partie de sa périphérie, le disque 3 étant monté rotatif par rapport à la structure porteuse 4 autour d'un axe perpendiculaire au plan du disque 3,
  • un moteur 5 d'actionnement pendulaire de la rotation du disque 3.
According to a particular embodiment of this first embodiment, the mechanism 2 for generating false twists also comprises:
  • a carrier structure 4 of the disc 3 associated with a frame and arranged to carry the disc 3 at at least a portion of its periphery, the disc 3 being rotatably mounted relative to the carrier structure 4 about an axis perpendicular to the plan of the disc 3,
  • a motor 5 for actuating the rotation of the disc 3.

La structure porteuse 4 du disque 3 peut ainsi être formée par une structure annulaire qui entoure l'ensemble du disque 3.The carrier structure 4 of the disc 3 can thus be formed by an annular structure which surrounds the entire disc 3.

Selon une particularité de réalisation de ce mode de construction, le disque 3 est monté rotatif sur la structure porteuse 4 par l'intermédiaire d'un roulement à billes 6. Ce roulement 6 présente ainsi l'avantage d'optimiser la réduction des frottements entre le disque 3 et la structure 4 annulaire qui porte le disque 3.According to a particular embodiment of this method of construction, the disk 3 is rotatably mounted on the supporting structure 4 by means of a ball bearing 6. This bearing 6 thus has the advantage of optimizing the reduction of friction between the disk 3 and the annular structure 4 which carries the disk 3.

Alternativement, la structure 4 qui porte le disque 3 comporte simplement une portion en arc de cercle et destinée à interagir avec le bord périphérique du disque 3. Dans cette alternative de réalisation, le bord périphérique du disque 3 se trouve alors monté coulissant au niveau de cette portion en arc de cercle tout en permettant le positionnement du disque 3 dans un plan sensiblement perpendiculaire à l'axe de déplacement du toron 2.Alternatively, the structure 4 which carries the disc 3 simply comprises a portion in an arc and intended to interact with the peripheral edge of the disc 3. In this alternative embodiment, the peripheral edge of the disc 3 is then mounted sliding at the level of this portion in an arc while allowing the positioning of the disc 3 in a plane substantially perpendicular to the axis of movement of the strand 2.

Selon une particularité de l'actionnement de la rotation pendulaire du disque 3, la transmission du mouvement de rotation pendulaire entre le moteur 5 d'actionnement et le disque 3 rotatif fait intervenir au moins une courroie d'entraînement susceptible d'être crantée. Au moins une portion de cette courroie d'entraînement se trouve ainsi positionnée sur au moins une partie de la périphérie du disque 3 ; une autre portion de cette courroie étant entraînée par un élément actionné par le moteur 5 d'actionnement.According to a feature of the actuation of the pendular rotation of the disc 3, the transmission of the pendular rotational movement between the actuating motor 5 and the rotating disc 3 involves at least one driving belt that can be notched. At least a portion of this drive belt is thus positioned on at least a portion of the periphery of the disk 3; another portion of this belt being driven by an element actuated by the actuating motor.

Selon une alternative d'actionnement de la rotation pendulaire du disque 3, la transmission du mouvement de rotation pendulaire entre le moteur 5 d'actionnement et le disque 3 rotatif fait intervenir au moins un engrenage de type pignon coopérant avec une structure dentée disposée sur la périphérie du disque 3 rotatif.According to an alternative of actuating the pendular rotation of the disc 3, the transmission of the pendular rotational movement between the actuating motor 5 and the rotating disc 3 involves at least one gear of the gear type cooperating with a toothed structure disposed on the periphery of the rotating disc 3.

Selon un mode de construction particulier, le moteur 5 d'actionnement est associé à un moyen de contrôle permettant une gestion de l'amplitude et/ou de la vitesse de la rotation pendulaire du disque 3 rotatif.According to a particular mode of construction, the actuating motor 5 is associated with a control means allowing management of the amplitude and / or the speed of the rotational rotation of the rotating disc 3.

Selon un premier mode de mise en oeuvre du moteur 5 d'actionnement de la rotation du disque 3, celui-ci génère des rotations pendulaires d'au moins un quarts de tour du disque 3 dans des sens opposés.According to a first embodiment of the motor 5 for actuating the rotation of the disc 3, the latter generates pendulum rotations of at least a quarter turn of the disc 3 in opposite directions.

Selon un second mode de mise en oeuvre du moteur 5 d'actionnement de la rotation du disque 3, celui-ci génère des rotations pendulaires d'au moins un demi-tour du disque 3 dans des sens opposés.According to a second embodiment of the motor 5 for actuating the rotation of the disk 3, the latter generates pendular rotations of at least one half-turn of the disk 3 in opposite directions.

Selon un troisième mode de mise en oeuvre du moteur 5 d'actionnement de la rotation du disque 3, celui-ci génère des rotations pendulaires d'au moins un tour complet du disque 3 dans des sens opposés.According to a third embodiment of the motor 5 for actuating the rotation of the disk 3, the latter generates pendular rotations of at least one complete revolution of the disk 3 in opposite directions.

Selon un second mode alternatif de réalisation du mécanisme 2 de génération de fausses torsions, celui-ci comprend :

  • une paire de courroies 7 en frottement l'une contre l'autre et entre lesquelles le toron 1 de fils est déplacé, les courroies étant animées d'un mouvement pendulaire selon des directions opposées,
  • au moins un moteur 5bis d'actionnement pendulaire d'au moins une des courroies.
According to a second alternative embodiment of the mechanism 2 for generating false twists, it comprises:
  • a pair of belts 7 in friction against one another and between which the son strand 1 is moved, the belts being animated in a pendular motion in opposite directions,
  • at least one motor 5a for pendular actuation of at least one of the belts.

Selon cette alternative de réalisation du mécanisme de génération de fausses torsions, les torsions opérées sur le toron 1 de fils sont le résultat de frottements et d'une déformation de l'ensemble du toron 1 déjà formé et non pas d'une modification de la distribution des fils au cours de l'étape même de la déformation du toron 1.According to this alternative embodiment of the mechanism for generating false twists, the twists operated on the strand 1 son are the result of friction and deformation of the entire strand 1 already formed and not a modification of the distribution of the yarns during the very step of the deformation of the strand 1.

Selon un troisième mode alternatif de réalisation du mécanisme de génération de fausses torsions, celui-ci comprend :

  • une structure axiale en rotation axiale pendulaire positionnée perpendiculairement à l'axe de déplacement du toron 1 et autour de laquelle le toron 1 en déplacement effectue au moins une vrille.
According to a third alternative embodiment of the mechanism for generating false twists, the latter comprises:
  • an axial structure in pendular axial rotation positioned perpendicularly to the axis of movement of the strand 1 and around which the strand 1 in motion performs at least one twist.

Selon cette alternative de réalisation du mécanisme de génération de fausses torsions, les torsions opérées sur le toron 1 de fils sont également, comme pour le second mode alternatif, le résultat de frottements et d'une déformation de l'ensemble du toron 1 déjà formé.According to this alternative embodiment of the mechanism for generating false twists, the twists operated on the strand 1 son are also, as for the second alternative mode, the result of friction and deformation of the whole of the already formed strand 1 .

L'invention porte également sur un système de traitement de fils pour tapis, caractérisé en ce que le système comprend notamment un dispositif de guidage d'un toron 1 d'au moins un fil sur une structure transporteuse selon l'invention, ce dispositif de guidage d'un toron 1 étant positionné entre un mécanisme d'alimentation en fils ou toron 1 et un mécanisme de dépose du toron 1 sur une structure transporteuse.The invention also relates to a system for treating carpet yarns, characterized in that the system comprises in particular a device for guiding a strand 1 of at least one yarn on a conveyor structure according to the invention. guiding a strand 1 being positioned between a feed mechanism son or strand 1 and a mechanism for removing the strand 1 on a conveyor structure.

L'invention porte également sur un procédé de guidage d'un toron 1 d'au moins deux fils sur une structure transporteuse caractérisée en ce qu'il comprend au moins une étape de génération d'au moins une fausse torsion du toron 1 préalablement à l'étape de pose du toron 1 sur la structure transporteuse.The invention also relates to a method of guiding a strand 1 of at least two wires on a conveyor structure characterized in that it comprises at least one step of generating at least one false twist of the strand 1 prior to the laying step of the strand 1 on the conveyor structure.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (12)

Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse, caractérisé en ce que le dispositif fait intervenir un mécanisme (2) de génération de fausses torsions entre les au moins deux fils du toron (1).Device for guiding a strand (1) of at least two wires on a conveyor structure, characterized in that the device involves a mechanism (2) for generating false twists between the at least two strand wires (1) . Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon la revendication 1, caractérisé en ce que le mécanisme (2) de génération de fausses torsions comprend : - un disque (3) comportant des perforations (3a) traversantes, de sorte que différents fils du toron (1) soient en mesure de traverser le disque (3) au niveau de perforations respectives, le disque (3) étant arrangé pour opérer un mouvement rotatif pendulaire autour d'un axe perpendiculaire au plan du disque (3). Device for guiding a strand (1) of at least two wires on a conveyor structure according to claim 1, characterized in that the mechanism (2) for generating false twists comprises: - a disc (3) having perforations (3a) therethrough, so that different son of the strand (1) are able to pass through the disc (3) at respective perforations, the disc (3) being arranged to operate a rotary motion pendular about an axis perpendicular to the plane of the disc (3). Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon la revendication 2, caractérisé en ce que le mécanisme (2) de génération de fausses torsions comprend également : - une structure porteuse (4) du disque (3) associée à un bâti et arrangée pour porter le disque (3) au niveau d'au moins une partie de sa périphérie, le disque (3) étant monté rotatif par rapport à la structure porteuse (4) autour d'un axe perpendiculaire au plan du disque (3), - un moteur (5) d'actionnement pendulaire de la rotation du disque (3). Device for guiding a strand (1) of at least two threads on a conveyor structure according to claim 2, characterized in that the mechanism (2) for generating false twists also comprises: a carrier structure (4) of the disk (3) associated with a frame and arranged to carry the disk (3) at at least a part of its periphery, the disk (3) being rotatably mounted relative to the structure carrier (4) about an axis perpendicular to the plane of the disk (3), - A motor (5) actuating pendulum rotation of the disk (3). Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon la revendication 3, caractérisé en ce que, la structure porteuse (4) entourant le disque (3) sur l'ensemble de sa périphérie, le disque (3) est monté rotatif sur la structure porteuse (4) par l'intermédiaire d'un roulement à billes (6).Device for guiding a strand (1) of at least two wires on a conveyor structure according to claim 3, characterized in that , the carrier structure (4) surrounding the disk (3) over its entire periphery, the disk (3) is rotatably mounted on the supporting structure (4) via a ball bearing (6). Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon une des revendications 3 ou 4, caractérisé en ce que la transmission du mouvement de rotation pendulaire entre le moteur (5) d'actionnement et le disque (3) rotatif fait intervenir au moins une courroie d'entraînement susceptible d'être crantée.Device for guiding a strand (1) of at least two threads on a conveyor structure according to one of Claims 3 or 4, characterized in that the transmission of the pendulum rotation movement between the actuating motor (5) and the disk (3) rotates at least one drive belt may be notched. Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon une des revendications 2 et suivantes, caractérisé en ce que le moteur d'actionnement (5) de la rotation du disque génère des rotations pendulaires d'au moins un quarts de tour du disque (3) dans des sens opposés.Device for guiding a strand (1) of at least two wires on a conveyor structure according to one of claims 2 and following, characterized in that the actuating motor (5) of the rotation of the disk generates pendulum rotations of at least a quarter turn of the disc (3) in opposite directions. Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon une des revendications 2 et suivantes, caractérisé en ce que le moteur d'actionnement (5) de la rotation du disque génère des rotations pendulaires d'au moins un demi-tour du disque (3) dans des sens opposés.Device for guiding a strand (1) of at least two threads on a conveyor structure according to one of claims 2 and following, characterized in that the actuating motor (5) of the rotation of the disc generates pendular rotations of at least one half turn of the disc (3) in opposite directions. Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon une des revendications 2 et suivantes, caractérisé en ce que le moteur d'actionnement (5) de la rotation du disque génère des rotations pendulaires d'au moins un tour complet du disque (3) dans des sens opposés.Device for guiding a strand (1) of at least two threads on a conveyor structure according to one of claims 2 and following, characterized in that the actuating motor (5) of the rotation of the disc generates pendular rotations of at least one complete revolution of the disc (3) in opposite directions. Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon la revendication 1, caractérisé en ce que le mécanisme (2) de génération de fausses torsions comprend : - une paire de courroies (7) en frottement l'une contre l'autre et entre lesquelles le toron (1) de fils est déplacé, les courroies étant animées d'un mouvement pendulaire selon des directions opposées, - au moins un moteur (5bis) d'actionnement pendulaire d'au moins une des courroies. Device for guiding a strand (1) of at least two wires on a conveyor structure according to claim 1, characterized in that the mechanism (2) for generating false twists comprises: - a pair of belts (7) in friction against each other and between which the strand (1) son is moved, the belts being animated in a pendular motion in opposite directions, - At least one motor (5a) for pendular actuation of at least one of the belts. Dispositif de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse selon la revendication 1, caractérisé en ce que le mécanisme de génération de fausses torsions comprend : - une structure axiale en rotation axiale pendulaire positionnée perpendiculairement à l'axe de déplacement du toron et autour de laquelle le toron en déplacement effectue au moins une vrille. Device for guiding a strand (1) of at least two threads on a conveyor structure according to Claim 1, characterized in that the mechanism for generating false twists comprises: - An axial structure in pendular axial rotation positioned perpendicular to the axis of movement of the strand and around which the traveling strand performs at least one twist. Système de traitement de fils pour tapis, caractérisé en ce que le système comprend notamment un dispositif de guidage d'un toron (1) d'au moins un fil sur une structure transporteuse selon une des revendications 1 à 10, ce dispositif de guidage d'un toron (1) étant positionné entre un mécanisme d'alimentation en fils ou toron (1) et un mécanisme de dépose du toron (1) sur une structure transporteuse.Carpet treatment system for carpets, characterized in that the system comprises in particular a device for guiding a strand (1) of at least one wire on a conveyor structure according to one of claims 1 to 10, this guiding device for a strand (1) being positioned between a wire or strand feed mechanism (1) and a strand removal mechanism (1) on a conveyor structure. Procédé de guidage d'un toron (1) d'au moins deux fils sur une structure transporteuse caractérisée en ce qu'il comprend au moins une étape de génération d'au moins une fausse torsion du toron (1) préalablement à l'étape de pose du toron (1) sur la structure transporteuse.Method for guiding a strand (1) of at least two wires on a conveyor structure characterized in that it comprises at least one step of generating at least one false twist of the strand (1) prior to the step laying the strand (1) on the conveyor structure.
EP14305342.9A 2014-03-10 2014-03-10 Device for generating a false twist in a strand Not-in-force EP2918533B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14305342.9A EP2918533B1 (en) 2014-03-10 2014-03-10 Device for generating a false twist in a strand
US14/643,370 US10053800B2 (en) 2014-03-10 2015-03-10 Device for generating a false twist at a strand
CN201510104189.3A CN104911768A (en) 2014-03-10 2015-03-10 Device for generating a false twist in a strand

Applications Claiming Priority (1)

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EP14305342.9A EP2918533B1 (en) 2014-03-10 2014-03-10 Device for generating a false twist in a strand

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EP2918533A1 true EP2918533A1 (en) 2015-09-16
EP2918533B1 EP2918533B1 (en) 2018-01-03

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US20150252498A1 (en) 2015-09-10
CN104911768A (en) 2015-09-16
US10053800B2 (en) 2018-08-21
EP2918533B1 (en) 2018-01-03

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