EP0802998A1 - Brush conveyor and needle loom provided therewith - Google Patents

Brush conveyor and needle loom provided therewith

Info

Publication number
EP0802998A1
EP0802998A1 EP96901381A EP96901381A EP0802998A1 EP 0802998 A1 EP0802998 A1 EP 0802998A1 EP 96901381 A EP96901381 A EP 96901381A EP 96901381 A EP96901381 A EP 96901381A EP 0802998 A1 EP0802998 A1 EP 0802998A1
Authority
EP
European Patent Office
Prior art keywords
brush
brushes
conveyor
holes
conveyor according
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
EP96901381A
Other languages
German (de)
French (fr)
Other versions
EP0802998B1 (en
Inventor
Bernard Jourde
François LOUIS
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.)
Asselin SA
Original Assignee
Asselin SA
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Filing date
Publication date
Application filed by Asselin SA filed Critical Asselin SA
Publication of EP0802998A1 publication Critical patent/EP0802998A1/en
Application granted granted Critical
Publication of EP0802998B1 publication Critical patent/EP0802998B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles

Definitions

  • the present invention relates to a brush conveyor. It also targets a needling machine equipped with this conveyor.
  • Velvet needle looms have a brush conveyor which has the function of carrying and driving a sheet of textile fibers under a steel plate called stripper and provided with perforations through which a set of needles alternately penetrate into the sheet and into the conveyor brushes.
  • the articulated brushes of this conveyor receive during the needling, within their tufts of bristles, fibers driven by the needles and thus contribute to the production of a textile product having a velvet type surface condition.
  • the brushes of substantially parallelepiped shape, are oriented and aligned perpendicular to the direction of travel of the sheet of fibers. These alignments create lineages in the direction perpendicular to the travel of the web. In addition, the clearances between the brushes create lines in the other direction.
  • the object of the invention is to remedy these drawbacks by proposing a brush conveyor which makes it possible to obtain a textile product having a isotropy of surface better than that obtained with existing conveyors, and to suppress lineages.
  • the brush conveyor comprising an assembly of contiguous brushes constituting a conveying plane moving in a predetermined conveying direction, each brush comprising a body of substantially elongated shape along a main axis and comprising on its lower face means for connecting the brush to a mechanical drive device and on its upper face holes for receiving tufts of bristles and arranged in rows substantially parallel to the main axis, is characterized in that the brushes are arranged within the conveyor so that their main axes are parallel and inclined at a predetermined angle relative to the direction perpendicular to the conveying direction.
  • the brushes are no longer aligned in the direction perpendicular to the movement of the product. It becomes possible to provide for a regular implantation of the tufts of hair while avoiding creating alignments of tufts which would be parallel or perpendicular to the direction of conveying or scrolling, experience having shown that the existence of such alignments contributed to the birth of product marking defects.
  • the brush conveyor further comprises, under the drive device, a set of belts driven by motorization means, and under the means of mechanical connection of the brushes to the drive device, a set of connecting rails arranged perpendicular to the conveying direction and integral with the belts, each ra l being designed to receive a transverse row of contiguous brushes.
  • Each brush further comprises, at its body, a slide arranged to receive a connecting rail, this slide being oriented relative to the main axis of the brush so that the brush has an angle of inclination predetermined by relative to the axis perpendicular to the conveying direction.
  • a velor needle loom comprising needling means provided for causing a set of needles to penetrate in a reciprocating fashion through a sledgehammer into a sheet of fibers supported and driven by a conveyor brushes according to the invention.
  • FIG. 1 is an exploded perspective view of a conveyor comprising inclined brushes, for a needling machine according to the invention
  • FIG. 2 is a perspective view of an example of a brush used in a conveyor according to the invention.
  • FIG. 2A shows a first example of assembly of inclined brushes of the type shown in Figure 2 for a conveyor 1 according to the invention
  • FIG. 3 shows a second example of inclined brushes for a conveyor according to the invention
  • FIG. 4 illustrates a particular mode of attachment of a brush according to Figure 2 within a conveyor according to the invention
  • FIG. 5 illustrates a particular mode of attachment of a brush according to Figure 3 within a conveyor according to the invention.
  • FIG. 6 illustrates a third example of inclined brushes for a conveyor according to
  • a brush conveyor 1 may comprise, by way of nonlimiting example, two drive cylinders 2, 3 provided for driving several belts 5, 8, 9. To these belts are fixed connecting rails 4, 6, 7 arranged transversely with respect to the direction of movement or of conveyance D. These rails each cross a row 100-104 of contiguous brushes transversely.
  • the assembly 10 of the conveyor brushes produces between the two drive cylinders 2, 3 a conveying plane P for which the least possible clearance is sought between contiguous brushes in order to obtain an irreproachable surface condition for the needled product. .
  • FIG. 1 For the sake of clarity in FIG. 1, only the bodies of the brushes have been shown.
  • these brush bodies have an elongated hexagonal shape and are designed to allow easy interlocking of contiguous bodies and so that the rotation of the transverse rows of brushes does not pose any problem at the level of the drive cylinders 2, 3.
  • a brush body 11 on which tufts of bristles 120 are normally implanted is surrounded at most by six other brushes.
  • Each brush body has a main axis AI inclined at an angle ⁇ relative to the transverse direction AT perpendicular to the direction of movement D. In practice, this angle of inclination can be chosen to be less than 10 degrees.
  • a brush 21 comprises a body 29 comprising on its upper face a set of holes
  • This slide preferably comprises lateral housings 280, 281 designed to receive keys when all the brushes of the same transverse row have been coupled to the connecting rail.
  • the axis of this slide is parallel to the transverse direction AT perpendicular to the direction of movement D, while the main axis AI of the brush, to which the longitudinal rows of receiving holes are parallel, is inclined to it by the angle d incl inclination with respect to the transverse direction AT.
  • the main axis AI of the brush to which the longitudinal rows of receiving holes are parallel
  • the body 29 is of elongated hexagonal shape and includes corrugated side walls 22, 23, 24, 25, 26, 27 which are flush with the receiving holes located at the periphery of the body 29. These walls side provide somehow a form of locking contiguous brushes between them without hampering the rotation thereof around the drive cylinders.
  • the receiving holes can be arranged on the upper face of a brush body 21 at the nodes of a centered hexagonal network, so that each hole is equidistant from its neighbor, as illustrated in FIG. 2A which partially represents a plane of conveyor 20 consisting of a set of inclined brushes of hexagonal shape.
  • These inclined brushes have a main axis AI which constitutes the common direction of the longitudinal rows of receiving holes and is inclined by an angle of inclination ⁇ relative to the transverse direction AT.
  • the main axes Al, A2 With the hexagonal arrangement of the holes and the inclination of the brushes, the main axes Al, A2,
  • a conveying plane 30 consists of the assembly of brushes with two body shapes.
  • a first body shape 31 is rectangular, this body comprising on its upper face rows of longitudinal holes parallel to the main axis AI of the brushes which is inclined by an angle of inclination ⁇ relative to the transverse direction AT.
  • a second body shape 36 comprises a rectangle of the same dimensions as those of the first body shape to which is added an additional row of truncated holes 360 comprising for example one hole less than the other rows.
  • the side walls 32-35, 37-39 are smooth and the receiving holes are arranged on the upper face of each brush so that they occupy the nodes of a square network.
  • a brush body 40 having corrugated side walls 41-46 comprises, with reference to FIG. 4, a recess 403 over the entire length of this body 40.
  • This recess has a main axis AI inclined relative to the axis transverse AT and acts as a slide to receive a connecting rail 400 of the profiled type and keys 401, 402 in suitable housings.
  • An equivalent method of attachment can be used for brushes whose body 56 has parallel and smooth longitudinal side walls 53, 56 and ends of substantially triangular shape, the corresponding side walls 51, 52, 54, 55 being crenellated to adjoin the receiving holes located at the periphery of the body, this body 56 also has a recess 57 provided for receiving a profile-type connecting rail and keys in appropriate housings 58 , 59. the main axis of this recess AI is also inclined relative to the transverse axis AT.
  • the invention is not limited to the examples which have just been described and numerous modifications can be made to these examples without departing from the scope of the invention.
  • the number of rows and holes on a body can be arbitrary and is not limited by the present invention. It is the same for the number of brushes and the organization of these brushes.
  • the angle of inclination can be chosen according to considerations of the quality of the needled product on the basis of tests or simulations.
  • holes of any shape in particular holes of circular, elliptical or else oblong shape, and various methods of fixing the tufts of bristles within the holes of the brush bodies, for example, by stapling, gluing , or by welding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Brushes (AREA)
  • Chain Conveyers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Binders And Loading Units For Sheaves (AREA)
  • Pens And Brushes (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

PCT No. PCT/FR96/00050 Sec. 371 Date Jul. 11, 1997 Sec. 102(e) Date Jul. 11, 1997 PCT Filed Jan. 12, 1996 PCT Pub. No. WO96/21761 PCT Pub. Date Jul. 18, 1996A brush conveyor, in particular for a velvet needle loom, includes an assembly of adjacent brushes forming a conveying plane and moving in a predetermined conveying direction. Each brush includes a body that is substantially elongated along a main axis, and each lower brush surface includes means for connecting the brush to a mechanical drive device while the upper brush surface has holes for receiving tufts of bristles. The brushes are arranged within the conveyor in such a way that their main axes are parallel to each other and lie at a predetermined angle to a transverse direction which is perpendicular to the conveying direction. The conveyor may be used in needle looms for making nonwoven articles.

Description

"Convoyeur à brosses et aiguilleteuse équipée de ce convoyeur" "Brush conveyor and needling machine equipped with this conveyor"
La présente invention concerne un convoyeur à brosses. Elle vise également une aiguilleteuse équipée de ce convoyeur.The present invention relates to a brush conveyor. It also targets a needling machine equipped with this conveyor.
Les aiguilleteuses velours comportent un convoyeur à brosses qui a pour fonction de porter et d'entraîner une nappe de fibres textiles sous une plaque d'acier appelée debourreur et munie de perforations à travers lesquelles un ensemble d'aiguilles pénètrent alternativement dans la nappe et dans les brosses du convoyeur. Les brosses articulées de ce convoyeur accueillent au cours de l'aiguilletage, au sein de leurs touffes de poils, des fibres entraînées par les aiguilles et contribuent ainsi à l'obtention d'un produit textile présentant un état de surface de type velours. Dans les convoyeurs actuels, les brosses, de forme sensiblement parallélépipèdique, sont orientées et alignées perpendiculairement à la direction de défilement de la nappe de fibres. Ces alignements créent des lignages selon la direction perpendiculaire au défilement de la nappe. De plus, les jeux entre les brosses créent des lignages dans l'autre direction. D'autre part, sur chaque brosse, les touffes de poils sont alignées à la fois dans le sens du défilement et dans le sens perpendiculaire. Du fait de la différence de résistance des touffes de leur centre par rapport à leur périphérie, ceci peut engendrer un défaut d'aspect sur le produit textile désigné sous le terme de persillage. Le problème qui vient d'être exposé pour un convoyeur à brosses équipant une aiguilleteuse velours, peut également se rencontrer dans d'autres machines textiles mettant en oeuvre des brosses.Velvet needle looms have a brush conveyor which has the function of carrying and driving a sheet of textile fibers under a steel plate called stripper and provided with perforations through which a set of needles alternately penetrate into the sheet and into the conveyor brushes. The articulated brushes of this conveyor receive during the needling, within their tufts of bristles, fibers driven by the needles and thus contribute to the production of a textile product having a velvet type surface condition. In current conveyors, the brushes, of substantially parallelepiped shape, are oriented and aligned perpendicular to the direction of travel of the sheet of fibers. These alignments create lineages in the direction perpendicular to the travel of the web. In addition, the clearances between the brushes create lines in the other direction. On the other hand, on each brush, the tufts of bristles are aligned both in the direction of travel and in the perpendicular direction. Due to the difference in resistance of the tufts from their center relative to their periphery, this can cause a defect in appearance on the textile product designated by the term marbling. The problem which has just been exposed for a brush conveyor equipping a velvet needle loom, can also be encountered in other textile machines employing brushes.
Le but de l'invention est de remédier à ces inconvénients en proposant un convoyeur à brosses qui permette l'obtention d'un produit textile présentant une isotropie de surface meilleure que celle obtenue avec les convoyeurs existants, et de supprimer les lignages.The object of the invention is to remedy these drawbacks by proposing a brush conveyor which makes it possible to obtain a textile product having a isotropy of surface better than that obtained with existing conveyors, and to suppress lineages.
Suivant l'invention, le convoyeur à brosses, comprenant un assemblage de brosses contiguës constituant un plan de convoyage se déplaçant suivant une direction de convoyage prédéterminée, chaque brosse comprenant un corps de forme sensiblement allongée suivant un axe principal et comportant sur sa face inférieure des moyens pour relier la brosse à un dispositif d'entrainement mécanique et sur sa face supérieure des trous pour recevoir des touffes de poils et disposés selon des rangées sensiblement parallèles à l'axe principal, est caractérisé en ce que les brosses sont disposées au sein du convoyeur de sorte que leurs axes principaux sont parallèles et inclinés d'un angle prédéterminé par rapport à la direction perpendiculaire à la direction de convoyage.According to the invention, the brush conveyor, comprising an assembly of contiguous brushes constituting a conveying plane moving in a predetermined conveying direction, each brush comprising a body of substantially elongated shape along a main axis and comprising on its lower face means for connecting the brush to a mechanical drive device and on its upper face holes for receiving tufts of bristles and arranged in rows substantially parallel to the main axis, is characterized in that the brushes are arranged within the conveyor so that their main axes are parallel and inclined at a predetermined angle relative to the direction perpendicular to the conveying direction.
Ainsi, dans un convoyeur selon l'invention, les brosses ne sont plus alignées dans le sens perpendiculaire au défilement du produit. Il devient possible de prévoir une implantation régulière des touffes de poils tout en évitant de créer des alignements de touffes qui seraient parallèles ou perpendiculaires à la direction de convoyage ou de défilement, l'expérience ayant montré que l'existence de tels alignements contribuait à la naissance de défauts de marquage du produit.Thus, in a conveyor according to the invention, the brushes are no longer aligned in the direction perpendicular to the movement of the product. It becomes possible to provide for a regular implantation of the tufts of hair while avoiding creating alignments of tufts which would be parallel or perpendicular to the direction of conveying or scrolling, experience having shown that the existence of such alignments contributed to the birth of product marking defects.
Dans une forme particulière de réalisation, le convoyeur à brosses comprend en outre, au titre du dispositif d'entrainement, un ensemble de courroies entraînées par des moyens de motorisation, et au titre des moyens de liaison mécanique des brosses au dispositif d'entrainement, un ensemble de rails de liaison disposés perpendiculairement à la direction de convoyage et solidaires des courroies, chaque ra l étant conçu pour recevoir une rangée transversale de brosses contiguës. Chaque brosse comprend en outre, au niveau de son corps, une glissière agencée pour recevoir un rail de liaison, cette glissière étant orientée par rapport à l'axe principal de la brosse de telle sorte que la brosse présente un angle d'inclinaison prédéterminé par rapport à l'axe perpendiculaire à la direction de convoyage.In a particular embodiment, the brush conveyor further comprises, under the drive device, a set of belts driven by motorization means, and under the means of mechanical connection of the brushes to the drive device, a set of connecting rails arranged perpendicular to the conveying direction and integral with the belts, each ra l being designed to receive a transverse row of contiguous brushes. Each brush further comprises, at its body, a slide arranged to receive a connecting rail, this slide being oriented relative to the main axis of the brush so that the brush has an angle of inclination predetermined by relative to the axis perpendicular to the conveying direction.
Suivant un autre aspect de l'invention, il est proposé une aiguilleteuse velours comprenant des moyens d'aiguilletage prévus pour faire pénétrer selon un mouvement alternatif un ensemble d'aiguilles à travers un debourreur dans une nappe de fibres supportée et entraînée par un convoyeur à brosses selon l'invention.According to another aspect of the invention, there is provided a velor needle loom comprising needling means provided for causing a set of needles to penetrate in a reciprocating fashion through a sledgehammer into a sheet of fibers supported and driven by a conveyor brushes according to the invention.
D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après. Aux dessins annexés donnés à titre d'exemples non limitatifs:Other features and advantages of the invention will appear in the description below. In the appended drawings given by way of nonlimiting examples:
- la figure 1 est une vue en perspective éclatée d'un convoyeur comprenant des brosses inclinées, pour une aiguilleteuse selon l'invention ;- Figure 1 is an exploded perspective view of a conveyor comprising inclined brushes, for a needling machine according to the invention;
- la figure 2 est une vue en perpective d'un exemple de brosse mise en oeuvre dans un convoyeur selon l'invention ;- Figure 2 is a perspective view of an example of a brush used in a conveyor according to the invention;
- la figure 2A représente un premier exemple d'assemblage de brosses inclinées du type représenté en figure 2 pour un convoyeur selon 1 'invention ;- Figure 2A shows a first example of assembly of inclined brushes of the type shown in Figure 2 for a conveyor 1 according to the invention;
- la figure 3 représente un second exemple de brosses inclinées pour un convoyeur selon l'invention ;- Figure 3 shows a second example of inclined brushes for a conveyor according to the invention;
- la figure 4 illustre un mode particulier de fixation d'une brosse selon la figure 2 au sein d'un convoyeur selon l'invention ;- Figure 4 illustrates a particular mode of attachment of a brush according to Figure 2 within a conveyor according to the invention;
- la figure 5 illustre un mode particulier de fixation d'une brosse selon la figure 3 au sein d'un convoyeur selon l'invention ; et- Figure 5 illustrates a particular mode of attachment of a brush according to Figure 3 within a conveyor according to the invention; and
- la figure 6 illustre un troisième exemple de brosses inclinées pour un convoyeur selon- Figure 6 illustrates a third example of inclined brushes for a conveyor according to
1 ' invention. On va maintenant décrire un exemple de réalisation d'un convoyeur selon l'invention en référence à la figure1 invention. We will now describe an embodiment of a conveyor according to the invention with reference to the figure
1, ainsi que plusieurs types de brosses pouvant être mises en oeuvre dans ce convoyeur, en référence aux figures 2 à 6.1, as well as several types of brushes that can be used in this conveyor, with reference to FIGS. 2 to 6.
Un convoyeur à brosses 1 peut comporter, à titre d'exemple non limitatif, deux cylindres d'entrainement 2, 3 prévus pour entraîner plusieurs courroies 5, 8, 9. A ces courroies sont fixés des rails de liaison 4, 6, 7 disposés transversalement par rapport à la direction de déplacement ou de convoyage D. Ces rails traversent chacun une rangée 100-104 de brosses contiguës transversalement. L'ensemble 10 des brosses du convoyeur réalise entre les deux cylindres d'entrainement 2, 3 un plan de convoyage P pour lequel on recherche les jeux les plus faibles possibles entre brosses contiguës afin d'obtenir un état de surface irréprochable pour le produit aiguilleté. Pour des raisons de clarté de la figure 1, on n'a représenté que les corps des brosses. Dans la forme de réalisation présentée, ces corps de brosse ont une forme hexagonale allongée et sont conçus pour permettre un emboîtement aisé de corps contigus et pour que la rotation des rangées transversales de brosses ne pose aucun problème au niveau des cylindres d'entrainement 2, 3. Un corps de brosse 11 sur lequel sont normalement implantées des touffes de poils 120 est entouré au plus par six autres brosses. Chaque corps de brosse présente un axe principal AI incliné d'un angle θ par rapport à la direction transversale AT perpendiculaire à la direction de déplacement D. En pratique, cet angle d'inclinaison peut être choisi inférieur à 10 degrés.A brush conveyor 1 may comprise, by way of nonlimiting example, two drive cylinders 2, 3 provided for driving several belts 5, 8, 9. To these belts are fixed connecting rails 4, 6, 7 arranged transversely with respect to the direction of movement or of conveyance D. These rails each cross a row 100-104 of contiguous brushes transversely. The assembly 10 of the conveyor brushes produces between the two drive cylinders 2, 3 a conveying plane P for which the least possible clearance is sought between contiguous brushes in order to obtain an irreproachable surface condition for the needled product. . For the sake of clarity in FIG. 1, only the bodies of the brushes have been shown. In the embodiment presented, these brush bodies have an elongated hexagonal shape and are designed to allow easy interlocking of contiguous bodies and so that the rotation of the transverse rows of brushes does not pose any problem at the level of the drive cylinders 2, 3. A brush body 11 on which tufts of bristles 120 are normally implanted is surrounded at most by six other brushes. Each brush body has a main axis AI inclined at an angle θ relative to the transverse direction AT perpendicular to the direction of movement D. In practice, this angle of inclination can be chosen to be less than 10 degrees.
Dans un premier mode de réalisation, en référence à la figure 2, une brosse 21 comporte un corps 29 comportant sur sa face supérieure un ensemble de trousIn a first embodiment, with reference to FIG. 2, a brush 21 comprises a body 29 comprising on its upper face a set of holes
210 prévus pour recevoir chacun une touffe de poils 200 et sur sa face inférieure un évidement longitudinal faisant glissière 281 prévue pour recevoir un rail de liaison de type profilé. Cette glissière comprend de préférence des logements latéraux 280, 281 prévus pour recevoir des clavettes lorsque toutes les brosses d'une même rangée transversale ont été couplées au rail de liaison. L'axe de cette glissière est parallèle à la direction transversale AT perpendiculaire à la direction de déplacement D, tandis que l'axe principal AI de la brosse, auquel sont parallèles les rangées longitudinales de trous récepteurs, est lui incliné de l'angle d'inclinaison θ par rapport à la direction transversale AT. Dans l'exemple représenté en figure 2, le corps 29 est de forme hexagonale allongée et comprend des parois latérales ondulées 22, 23, 24, 25, 26, 27 qui viennent affleurer les trous récepteurs situés à la périphérie du corps 29. Ces parois latérales fournissent en quelque sorte une forme de verrouillage des brosses contiguës entre elles sans pour autant entraver la rotation de celles-ci autour des cylindres d'entrainement.210 provided to each receive a tuft of hairs 200 and on its underside a longitudinal recess making a slide 281 designed to receive a profile type connecting rail. This slide preferably comprises lateral housings 280, 281 designed to receive keys when all the brushes of the same transverse row have been coupled to the connecting rail. The axis of this slide is parallel to the transverse direction AT perpendicular to the direction of movement D, while the main axis AI of the brush, to which the longitudinal rows of receiving holes are parallel, is inclined to it by the angle d incl inclination with respect to the transverse direction AT. In the example shown in FIG. 2, the body 29 is of elongated hexagonal shape and includes corrugated side walls 22, 23, 24, 25, 26, 27 which are flush with the receiving holes located at the periphery of the body 29. These walls side provide somehow a form of locking contiguous brushes between them without hampering the rotation thereof around the drive cylinders.
Les trous récepteurs peuvent être disposés sur la face supérieure d'un corps de brosse 21 aux noeuds d'un réseau hexagonal centré, de sorte que chaque trou est équidistant de son voisin, comme l'illustre la figure 2A qui représente partiellement un plan de convoyage 20 constitué d'un ensemble de brosses inclinées de forme hexagonale. Ces brosses inclinées présentent un axe principal AI qui constitue la direction commune des rangées longitudinales de trous récepteurs et est incliné d'un angle d'inclinaison θ par rapport à la direction transversale AT. Avec la disposition hexagonale des trous et l'inclinaison des brosses, les axes principaux Al, A2,The receiving holes can be arranged on the upper face of a brush body 21 at the nodes of a centered hexagonal network, so that each hole is equidistant from its neighbor, as illustrated in FIG. 2A which partially represents a plane of conveyor 20 consisting of a set of inclined brushes of hexagonal shape. These inclined brushes have a main axis AI which constitutes the common direction of the longitudinal rows of receiving holes and is inclined by an angle of inclination θ relative to the transverse direction AT. With the hexagonal arrangement of the holes and the inclination of the brushes, the main axes Al, A2,
A3 des rangées de trous ne sont ni parallèles, ni perpendiculaires à la direction de déplacement D. Dans un second mode de réalisation, en référence aux figures 3 et 6, un plan de convoyage 30 est constitué de l'assemblage de brosses présentant deux formes de corps. Une première forme de corps 31 est rectangulaire, ce corps comportant sur sa face supérieure des rangées de trous longitudinales parallèles à 1 'axe principal AI des brosses qui est incliné d'un angle d'inclinaison θ par rapport à la direction transversale AT. Une second forme de corps 36 comprend un rectangle de mêmes dimensions que celles de la première forme de corps auquel est ajouté une rangée supplémentaire de trous tronquée 360 comprenant par exemple un trou de moins que les autres rangées. Les parois latérales 32-35, 37-39 sont lisses et les trous récepteurs sont disposés sur la face supérieure de chaque brosse de telle sorte qu'ils occupent les noeuds d'un réseau carré. Les brosse sont juxtaposées pour constituer un plan de convoyage continu. Cette configuration d'implantation présente deux axes principaux A'1, A'2 qui ne sont ni parallèles, ni perpendiculaires à la direction de déplacement D, du fait de l'inclinaison de l'axe principal AI des brosses. Quelle que soit la forme de corps de brosse considérée, on peut prévoir un mode de fixation des brosses à un dispositif d'entrainement, qui mette en oeuvre un rail autour duquel on emboîte un ensemble de brosses qui vont constituer une rangée transversale. Ainsi, un corps 40 de brosse présentant des parois latérales ondulées 41-46 comporte, en référence à la figure 4, un évidement 403 sur toute la longueur de ce corps 40. Cet évidement présente un axe principal AI incliné par rapport à l'axe transverse AT et fait fonction de glissière pour recevoir un rail de liaison 400 de type profilé et des clavettes 401, 402 dans des logements appropriés.A3 rows of holes are neither parallel nor perpendicular to the direction of movement D. In a second embodiment, with reference to FIGS. 3 and 6, a conveying plane 30 consists of the assembly of brushes with two body shapes. A first body shape 31 is rectangular, this body comprising on its upper face rows of longitudinal holes parallel to the main axis AI of the brushes which is inclined by an angle of inclination θ relative to the transverse direction AT. A second body shape 36 comprises a rectangle of the same dimensions as those of the first body shape to which is added an additional row of truncated holes 360 comprising for example one hole less than the other rows. The side walls 32-35, 37-39 are smooth and the receiving holes are arranged on the upper face of each brush so that they occupy the nodes of a square network. The brushes are juxtaposed to form a continuous conveying plane. This layout configuration has two main axes A'1, A'2 which are neither parallel nor perpendicular to the direction of movement D, due to the inclination of the main axis AI of the brushes. Whatever the shape of the brush body considered, provision can be made for fixing the brushes to a drive device, which implements a rail around which a set of brushes is fitted which will constitute a transverse row. Thus, a brush body 40 having corrugated side walls 41-46 comprises, with reference to FIG. 4, a recess 403 over the entire length of this body 40. This recess has a main axis AI inclined relative to the axis transverse AT and acts as a slide to receive a connecting rail 400 of the profiled type and keys 401, 402 in suitable housings.
On peut utiliser un mode de fixation équivalent pour des brosses dont le corps 56 présente des parois latérales longitudinales 53, 56 parallèles et lisses et des extrémités de forme sensiblement triangulaire, les parois latérales 51, 52, 54, 55 correspondantes étant crénelées pour jouxter les trous récepteurs situés à la périphérie du corps, ce corps 56 présente également un évidement 57 prévu pour recevoir un rail de liaison de type profilé et des clavettes dans des logements appropriés 58, 59. l'axe principal de cet évidement AI est également incliné par rapport à l'axe transverse AT.An equivalent method of attachment can be used for brushes whose body 56 has parallel and smooth longitudinal side walls 53, 56 and ends of substantially triangular shape, the corresponding side walls 51, 52, 54, 55 being crenellated to adjoin the receiving holes located at the periphery of the body, this body 56 also has a recess 57 provided for receiving a profile-type connecting rail and keys in appropriate housings 58 , 59. the main axis of this recess AI is also inclined relative to the transverse axis AT.
Bien sûr, l'invention n'est pas limitée aux exemples qui viennent d'être décrits et de nombreux aménagements peuvent être apportés à ces exemples sans sortir du cadre de l'invention. Ainsi, on peut prévoir d'autres formes que celles décrites pour les corps de brosses. En particulier, le nombre de rangées et de trous sur un corps peut être quelconque et n'est pas limité par la présente invention. Il en est de même pour le nombre de brosses et l'organisation de ces brosses. L'angle d'inclinaison peut être choisi en fonction de considérations de qualité du produit aiguilleté sur la base d'essais ou de simulations. Par ailleurs, on peut envisager des trous de forme quelconque, en particulier des trous de forme circulaire, elliptique ou bien oblongue, et divers modes de fixation des touffes de poils au sein des trous des corps de brosse, par exemple, par agrafage, collage, ou encore par soudage. Of course, the invention is not limited to the examples which have just been described and numerous modifications can be made to these examples without departing from the scope of the invention. Thus, one can provide other forms than those described for the brush bodies. In particular, the number of rows and holes on a body can be arbitrary and is not limited by the present invention. It is the same for the number of brushes and the organization of these brushes. The angle of inclination can be chosen according to considerations of the quality of the needled product on the basis of tests or simulations. Furthermore, it is possible to envisage holes of any shape, in particular holes of circular, elliptical or else oblong shape, and various methods of fixing the tufts of bristles within the holes of the brush bodies, for example, by stapling, gluing , or by welding.

Claims

REVENDICATIONS 1. Convoyeur à brosses (1), notamment pour une aiguilleteuse velours, comprenant un assemblage (10) de brosses contiguës constituant un plan de convoyage (P) se déplaçant suivant une direction de convoyage prédéterminée (D, chaque brosse (11-18, 21) comprenant un corps (29) de forme sensiblement allongée suivant un axe principal (AI) et comportant sur sa face inférieure des moyens (28, 4) pour relier la brosse (11-18, 21) à un dispositif d'entrainement mécanique (2, 3, 5) et sur sa face supérieure des trous (210) pour recevoir des touffes de poils (200) , ces trous étant disposés selon des rangées sensiblement parallèles à l'axe principal de la brosse, caractérisé en ce que les brosses (11-18, 21) sont disposées au sein du convoyeur (1) de sorte que leurs axes principaux (AI) sont parallèles et inclinés d'un angle prédéterminé (θ) par rapport à une direction transversale (AT) perpendiculaire à la direction de convoyage (D) . CLAIMS 1. Brush conveyor (1), in particular for a velvet needle loom, comprising an assembly (10) of contiguous brushes constituting a conveying plane (P) moving in a predetermined conveying direction (D, each brush (11-18 , 21) comprising a body (29) of substantially elongated shape along a main axis (AI) and comprising on its underside means (28, 4) for connecting the brush (11-18, 21) to a drive device mechanical (2, 3, 5) and on its upper face are holes (210) for receiving tufts of bristles (200), these holes being arranged in rows substantially parallel to the main axis of the brush, characterized in that the brushes (11-18, 21) are arranged within the conveyor (1) so that their main axes (AI) are parallel and inclined at a predetermined angle (θ) relative to a transverse direction (AT) perpendicular to the conveying direction (D).
2. Convoyeur à brosses (1) selon la revendication 1, caractérisé en ce que le corps (29, 40, 50) de chaque brosse (21) est de forme hexagonale allongée et présente à chaque extrémité des formes sensiblement triangulaires (25-26, 22, 23; 41-42, 44-45; 51-52, 54-55), complémentaires et agencées de façon à permettre un assemblage de brosses contiguës (11-18) dans le plan de convoyage (P) .2. Brush conveyor (1) according to claim 1, characterized in that the body (29, 40, 50) of each brush (21) is of elongated hexagonal shape and has at each end substantially triangular shapes (25-26 , 22, 23; 41-42, 44-45; 51-52, 54-55), complementary and arranged so as to allow an assembly of contiguous brushes (11-18) in the conveying plane (P).
3. Convoyeur à brosses selon la revendication 2, caractérisé en ce que le corps (29, 40) de chaque brosse (21) comporte des parois latérales ondulées (22-27) jouxtant les trous récepteurs (210) situés sur les bordures de la face supérieure de la brosse (21) , les parois latérales ondulées de brosses contiguës étant agencées pour réaliser une continuité du plan de convoyage (P) . 3. Brush conveyor according to claim 2, characterized in that the body (29, 40) of each brush (21) has corrugated side walls (22-27) adjoining the receiving holes (210) located on the edges of the upper face of the brush (21), the corrugated side walls of contiguous brushes being arranged to achieve continuity of the conveying plane (P).
4. Convoyeur à brosses selon la revendication 2, caractérisé en ce que le corps (50) de chaque brosse comporte des parois latérales principales sensiblement lisses (53, 56) et des parois latérales d'extrémité crénelées (51, 52, 54, 55), les parois latérales crénelées de brosses contiguës étant agencées pour réaliser une continuité du plan de convoyage (P) .4. Brush conveyor according to claim 2, characterized in that the body (50) of each brush has substantially smooth main side walls (53, 56) and crenellated end side walls (51, 52, 54, 55 ), the crenellated side walls of contiguous brushes being arranged to achieve continuity of the conveying plane (P).
5. Convoyeur à brosses selon la revendication 1, caractérisé en ce qu'il comprend en outre, un premier ensemble de brosses ayant un corps (31) de forme rectangulaire et un second ensemble de brosses ayant un corps (36) de forme rectangulaire correspondant à un corps du premier ensemble auquel est ajoutée une rangée tronquée (360) de trous récepteurs, et en ce que le plan de convoyage (30) est constitué d'une alternance de brosses respectivement du premier et du second ensembles, les extrémités des brosses contiguës venant s'emboîter pour réaliser un plan de convoyage sensiblement continu5. Brush conveyor according to claim 1, characterized in that it further comprises, a first set of brushes having a body (31) of rectangular shape and a second set of brushes having a body (36) of corresponding rectangular shape to a body of the first set to which is added a truncated row (360) of receiving holes, and in that the conveying plane (30) consists of alternating brushes of the first and second sets respectively, the ends of the brushes adjoining interlocking to achieve a substantially continuous conveying plane
(30) . (30) .
6. Convoyeur à brosses selon l'une des revendications précédentes, caractérisé en ce que, au sein de chaque corps (31, 36) de brosse, les trous récepteurs sont disposés en rangées parallèles à l'axe principal (AI) de la brosse et occupent les noeuds d'un réseau plan carré. 6. Brush conveyor according to one of the preceding claims, characterized in that, within each brush body (31, 36), the receiving holes are arranged in rows parallel to the main axis (AI) of the brush and occupy the nodes of a square planar network.
7. Convoyeur à brosses selon l'une des revendications7. Brush conveyor according to one of claims
1 à 5, caractérisé en ce que, au sein de chaque corps1 to 5, characterized in that, within each body
(40, 50) de brosse, les trous récepteurs sont disposés en rangées parallèles à l'axe principal (AI) de la brosse et occupent les noeuds d'un réseau plan hexagonal, de sorte que chaque trou est équidistant de ses trous voisins.(40, 50) brush, the receiving holes are arranged in rows parallel to the main axis (AI) of the brush and occupy the nodes of a hexagonal plane network, so that each hole is equidistant from its neighboring holes.
8. Convoyeur à brosses (1) selon 1 'une des revendications précédentes, caractérisé en ce qu'il comprend en outre, au titre du dispositif d'entrainement, un ensemble de courroies (5) entraînées par des moyens de motorisation, et au titre des moyens de liaison mécanique des brosses au dispositif d1entrainement, un ensemble de rails de liaison (4, 6, 7) disposés perpendiculairement à la direction de convoyage (D) et solidaires des courroies (5) , chaque rail (4) étant conçu pour recevoir une rangée transversale de brosses contiguës (100-104) . 8. Brush conveyor (1) according to one of the preceding claims, characterized in that it further comprises, under the drive device, a set of belts (5) driven by motor means, and at title of the mechanical connection means of the brushes to the device for 1 drive, a set of connecting rails (4, 6, 7) arranged perpendicular to the conveying direction (D) and integral with the belts (5), each rail (4) being designed to receive a transverse row of contiguous brushes (100-104).
9. Convoyeur à brosses selon la revendication 8, caractérisé en ce que chaque brosse (21) comprend en outre, au niveau de son corps (29) , une glissière (28) agencée pour recevoir un rail de liaison (4, 6, 7), cette glissière (28) étant orientée par rapport à l'axe principal (AI) de la brosse (21) de telle sorte que cette brosse (21) présente un angle d'inclinaison prédéterminé par rapport à la direction transversale (AT) perpendiculaire à la direction de convoyage (D) .9. brush conveyor according to claim 8, characterized in that each brush (21) further comprises, at its body (29), a slide (28) arranged to receive a connecting rail (4, 6, 7 ), this slide (28) being oriented relative to the main axis (AI) of the brush (21) so that this brush (21) has a predetermined angle of inclination relative to the transverse direction (AT) perpendicular to the conveying direction (D).
10. Convoyeur à brosses selon la revendication 9, caractérisé en ce que chaque glissière (28) comprend au moins un logement (280, 281) pour recevoir, après enfilage d'une rangée de brosses dans un rail de liaison, au moins une clavette.10. Brush conveyor according to claim 9, characterized in that each slide (28) comprises at least one housing (280, 281) for receiving, after threading a row of brushes in a connecting rail, at least one key .
11. Convoyeur à brosses selon l'une des revendications précédentes, caractérisé en ce qu'il comporte des brosses dont les touffes de poils sont fixées dans les trous par collage.11. Brush conveyor according to one of the preceding claims, characterized in that it comprises brushes whose tufts of bristles are fixed in the holes by gluing.
12. Convoyeur à brosses selon l'une des revendications précédentes, caractérisé en ce qu'il comporte des brosses dont les touffes de poils sont fixées dans les trous par soudage.12. Brush conveyor according to one of the preceding claims, characterized in that it comprises brushes whose tufts of bristles are fixed in the holes by welding.
13. Aiguilleteuse velours comprenant des moyens d'aiguilletage prévus pour faire pénétrer selon un mouvement alternatif un ensemble d'aiguilles à travers un debourreur dans une nappe de fibres supportée et entraînée par un convoyeur à brosses selon l'une des revendications précédentes. 13. Velvet needling machine comprising needling means provided for causing a set of needles to recede in a reciprocating movement through a sledge hammer into a sheet of fibers supported and driven by a brush conveyor according to one of the preceding claims.
EP96901381A 1995-01-12 1996-01-12 Brush conveyor and needle loom provided therewith Expired - Lifetime EP0802998B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9500291 1995-01-12
FR9500291A FR2729402B1 (en) 1995-01-12 1995-01-12 BRUSH CONVEYOR AND NEEDLE EQUIPPED WITH THIS CONVEYOR
PCT/FR1996/000050 WO1996021761A1 (en) 1995-01-12 1996-01-12 Brush conveyor and needle loom provided therewith

Publications (2)

Publication Number Publication Date
EP0802998A1 true EP0802998A1 (en) 1997-10-29
EP0802998B1 EP0802998B1 (en) 1999-08-11

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EP96901381A Expired - Lifetime EP0802998B1 (en) 1995-01-12 1996-01-12 Brush conveyor and needle loom provided therewith

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US (1) US5802682A (en)
EP (1) EP0802998B1 (en)
JP (1) JPH10512330A (en)
KR (1) KR19980701371A (en)
CN (1) CN1077169C (en)
AT (1) ATE183257T1 (en)
CA (1) CA2212937A1 (en)
DE (1) DE69603703T2 (en)
ES (1) ES2136384T3 (en)
FR (1) FR2729402B1 (en)
TW (1) TW293806B (en)
WO (1) WO1996021761A1 (en)

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Publication number Priority date Publication date Assignee Title
DE19640752A1 (en) * 1995-10-16 1997-04-17 Fehrer Ernst Device for needling a fleece
EP1560701B1 (en) * 2002-11-01 2009-01-07 Bell Helicopter Textron Inc. Method and apparatus for z-direction reinforcement of composite laminates
AT414331B (en) * 2003-07-15 2008-01-15 Fehrer Textilmasch DEVICE FOR NEEDING A FLEECE
US8287983B2 (en) * 2007-09-20 2012-10-16 Carl Freudenberg Kg Velour needle-punched nonwoven material and use thereof
DE102008026968A1 (en) * 2008-06-05 2009-12-24 Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung Suede carpet with tufted surface
CN102271497A (en) * 2008-09-05 2011-12-07 Fps食品加工系统公司 Egg handling system
US8158043B2 (en) 2009-02-06 2012-04-17 The Procter & Gamble Company Method for making an apertured web
US9034230B2 (en) 2009-08-03 2015-05-19 The Procter & Gamble Company Method for making an elastomeric apertured web
JP5217049B1 (en) * 2011-12-26 2013-06-19 山梨県 Decorative needle punching machine

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DE3215113A1 (en) * 1982-04-23 1983-11-03 Elektrochemische Fabrik Kempen Gmbh, 4152 Kempen Pile fleece and process and device for producing it
DE3444763A1 (en) * 1984-12-07 1986-06-12 Oskar Dilo Maschinenfabrik Kg, 6930 Eberbach PLANT FOR THE PRODUCTION OF STRUCTURED TEXTILE VELOUR NEEDLE FELT FILMS
AT392658B (en) * 1990-01-18 1991-05-27 Fehrer Textilmasch DEVICE FOR NEEDING A FLEECE
DE4301572C2 (en) * 1993-01-21 2000-01-20 Dilo Kg Maschf Oskar Brush arrangement for a needle machine

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Also Published As

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CN1177386A (en) 1998-03-25
CN1077169C (en) 2002-01-02
ATE183257T1 (en) 1999-08-15
CA2212937A1 (en) 1996-07-18
ES2136384T3 (en) 1999-11-16
FR2729402B1 (en) 1997-04-18
DE69603703T2 (en) 2000-04-06
DE69603703D1 (en) 1999-09-16
WO1996021761A1 (en) 1996-07-18
JPH10512330A (en) 1998-11-24
US5802682A (en) 1998-09-08
FR2729402A1 (en) 1996-07-19
KR19980701371A (en) 1998-05-15
TW293806B (en) 1996-12-21
EP0802998B1 (en) 1999-08-11

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