EP2003232B1 - Procédé et dispositif destinés à la création d'une couche de fibre unidirectionnelle, procédé destiné à la fabrication d'une mêche et dispositif multiaxiale, et procédé de la fabrication d'un tissu fibreux et un métier à tisser - Google Patents

Procédé et dispositif destinés à la création d'une couche de fibre unidirectionnelle, procédé destiné à la fabrication d'une mêche et dispositif multiaxiale, et procédé de la fabrication d'un tissu fibreux et un métier à tisser Download PDF

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Publication number
EP2003232B1
EP2003232B1 EP20070011718 EP07011718A EP2003232B1 EP 2003232 B1 EP2003232 B1 EP 2003232B1 EP 20070011718 EP20070011718 EP 20070011718 EP 07011718 A EP07011718 A EP 07011718A EP 2003232 B1 EP2003232 B1 EP 2003232B1
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EP
European Patent Office
Prior art keywords
laying
fibre group
fibre
axial
structural unit
Prior art date
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EP20070011718
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German (de)
English (en)
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EP2003232A1 (fr
Inventor
Michael Unglaub
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LIBA Maschinenfabrik GmbH
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LIBA Maschinenfabrik GmbH
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Priority to EP20070011718 priority Critical patent/EP2003232B1/fr
Priority to CN 200810107482 priority patent/CN101538771B/zh
Publication of EP2003232A1 publication Critical patent/EP2003232A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/10—Flat warp knitting machines for knitting through thread, fleece, or fabric layers, or around elongated core material
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H1/00—Creels, i.e. apparatus for supplying a multiplicity of individual threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/16—Reeds, combs, or other devices for determining the spacing of threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/008—Looms for weaving flat yarns
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms

Definitions

  • the invention relates to a method for applying a band-, strip- or web-shaped unidirectional fiber layer to a moving in the longitudinal direction of the resulting fiber layer support having the features a to c of claim 1 of the application.
  • the invention also relates to a corresponding device according to the preamble of claim 7.
  • Methods and devices of this kind are state of the art. They are typically used to build multi-axial webs by sequentially stacking a number of unidirectional fiber layers with different directions of their fibers in sections.
  • the support listed in claims 1 and 7 is for the first deposited fiber layer an endless transport device, which moves in the longitudinal direction of the resulting fiber layer and thus also in the longitudinal direction of the later formed Multiaxialgeleges.
  • As a transport device especially two spaced apart parallel conveyor chains are common, which are provided with holding devices for the deposited fiber bundles. The located between the conveyor chains sections of laid unidirectional fiber bundle are held by these holding devices not only, but if possible also tightened so that they do not sag.
  • the mentioned base is formed by the already existing unidirectional fiber layer; but they are also attached to the holding devices of the conveyor chains.
  • the individual fibers mentioned in claims 1 and 7 are also referred to as cables, threads or rovings. They consist of many individual filaments and may have circular cross-section or be widened so that they have the shape of a flat cable.
  • Multiaxial covers are used to reinforce fiber composite components. As more and more complicated components are manufactured according to this technique, the multi-axial cores must be able to deform well, i. be drapable. Thus, unidirectional fiber layers of thin fibers are needed. Thin fibers are very expensive; This is especially true for carbon fibers. It has therefore begun to use relatively thick fibers as the starting material and to "spread" them, i. to widen, and thus produce a fiber bundle, which consists of parallel widened fibers and has a low basis weight. At present, carbon fibers with 12,000 filaments and more (K number greater than 12) are widened by rolling and processed into thin, closed-area bands. These can be draped with complicated laying in the best way to complicated designs.
  • the US Pat. No. 6,599,610 B2 deals with a device for laying a unidirectional fiber layer between two conveyor chains.
  • the fibers are guided as endless material across the conveyor chains.
  • the spreading unit is located at the very front of the deposit and would practically form a unit with a thread guide. It would therefore have to be moved transversely to the conveyor chains and - at the reversal points - also in the direction of the conveyor chains, but opposite to the transport direction together with the thread guide.
  • a creel from which the fibers are unwound although mentioned in the text, but not shown.
  • the US Pat. No. 6,599,610 B2 at most be understood as a fundamental suggestion to include the spreading or widening of the fibers in the process of applying a multi-axial fiber layer.
  • slivers which already have a flattened cross section, are withdrawn from the coils of a creel.
  • a delivery mechanism of three roles which is located in the course of the band history far in front of the installation device.
  • the laying device and the delivery works work intermittently and synchronously; if the laying device requires no sliver, the delivery plant is also silent.
  • the slivers are deducted from a tape storage, which is arranged in the course of the belt run between the creel and the delivery mechanism.
  • the strip accumulator consists essentially of a movable deflection roller, which is extended by an actuator laterally to the belt path and accommodates the temporarily unneeded fiber ribbons.
  • the movement of the strip storage is and the drive of the delivery system are matched by the machine control.
  • the intermediate band memory should cause the slivers to be withdrawn uniformly from the bobbin creel coils at a constant speed. So that should a uniform state of tension can be achieved in the slivers, which is a prerequisite for a uniform laying.
  • the slivers which are used as starting material on the bobbins of the creel, widened even further in the course of the band.
  • fixed heating devices are provided at different points of the device, which are partly before, partly behind the delivery mechanism. Only those heating devices, which are located in the direction of the fiber slivers in front of the delivery, act on continuously and uniformly moving slivers.
  • the heating devices located behind the delivery unit have an intermittent, non-uniform strip course. This is especially true for a downstream of the delivery heating channel, which may have a length of the entire fiber length, which is required in a laying stroke of the laying device.
  • spreading elements should join, which complete the widening process and may consist of Umlenkösen or pipes, which deflect the slivers several times by sliding contact.
  • the known device according to the EP 1 695 934 A2 thus has the disadvantage that the broadening of the slivers takes place to a considerable extent at intermittently and discontinuously, so moving at varying speeds slivers.
  • the goal of producing a uniform state of stress in the widened fiber slivers can thus only be achieved imperfectly.
  • the heating effect at alternating phases of stoppage and movement must result in uneven.
  • abrasion and uneven sliding operations are to be expected in the mechanical widening elements.
  • heat losses and high operating costs are to be expected if the widening by heating is distributed over several stations along the course of the strip.
  • the shows DE 103 12 534 B3 a method and an apparatus for laying slivers to unidirectional fiber layers, wherein the slivers on their way from the creel to the laying device a Go through spreading, in which they are further widened.
  • For spreading serve unspecified spreader, which are recognizable in the drawing as rollers.
  • the individual slivers run parallel next to each other; they may be laterally spaced or close together.
  • the slivers are withdrawn from the spools of the creel by a continuously conveying delivery, which is located at the exit of the creel.
  • a loop-forming intermediate store is provided according to the principle of the deflectable roller, which is intended to compensate the speed differences between the delivery mechanism and the sliver at the laying device for each sliver.
  • the slivers or shares are in accordance with the DE 103 12 534 B3 although laid as endless material; but also here speed changes occur because the filing is done by a reciprocating motion on the transport chains, wherein in the turning points and a stoppage is possible.
  • the spreading unit is arranged in a region in which the slivers do not move continuously at a constant speed, but with changing speed or even intermittently.
  • the invention is based on the object, the known methods and devices for applying strip, strip or web-shaped unidirectional fiber layers whose fibers are widened in the course of application, with the aim to improve that the widened fibers of the fiber bundles, which are supplied to the laying device, are in a uniform state of tension, whereby they can be laid evenly and eventually lead to end products of high quality.
  • the creel together with the Sp Schwarzaggregat is moved as a common structural unit in accordance with the need, which consists in the laying device is ensured in an advantageous manner that the fibers unwound at a constant speed of the bobbin of the creel and through the Sp Dahlaggregat be directed.
  • the necessary counterbalancing movements required by the uneven working movement of the laying device will perform the structural unit as a whole, so that they can not affect the speed of the fibers passing through the spreader unit.
  • the movements of the laying device e.g. the yarn guide in endless laying or a gripper when laying in band-shaped cut sections, and the movement of the common structural unit are matched.
  • the structural unit may e.g. be designed as a carriage or carriage, on which the creel and the Sp Sonaggregat are housed. Then it can be achieved that the required reciprocating movement of the common unit has no effect on the stress state of the widened collimated fibers. Then there are the uniform spreading conditions that lead to a stored unidirectional layer of uniform and consistent properties.
  • the spool of the creel can be driven individually (positive deduction), or the fibers can be deducted from non-driven spools; this can be done by a group of driven rollers arranged in the course of the fiber or by the laying device.
  • the broadened fibers may be close together or may be at a desired mutual lateral separation. It is also possible to give the fiber layer before applying to the support a cohesion, which can serve, for example, cross-applied threads of a fusible material or adhesive sheets. The individual means for this are familiar to the expert.
  • Embodiments of the method and the device according to the invention are listed in the subclaims 2 to 5 and 8 to 13.
  • both the continuous laying of the fiber bundles as well as the installation in individual cut fiber bundle sections is possible, wherein the separation into individual sections on the device itself can be carried out in the course of applying. Details of the installation in individual sections cut to length, for example, in the DE 102 14 140 A1 described and illustrated.
  • creel and Sp Sonaggregat is designed in the form of a carriage, this is advantageously guided movably on a linear guideway, which is mounted in the laying direction of the fiber bundle running laterally next to the moving support at the point where the fiber bundle applied becomes.
  • the "support” will, in most cases, be formed by the usual pair of parallel driven conveyor chains provided with the usual set of yarn guides or even unidirectional fiber sets already stored.
  • a unidirectional fiber layer which is produced by the method according to the invention and the device according to the invention, will in many cases already be suitable for the construction of a fiber composite part.
  • non-woven fabric which is also multi-layered.
  • it will be embedded in a matrix of a plastic part.
  • the invention also relates to a method for producing a band, strip or web-shaped Multiaxialge privileges according to claim 6 and also a corresponding multi-axial machine according to claim 14.
  • the inventive method and the device for applying the unidirectional fiber layer are advantageously used to build Multiaxialgelegen.
  • such a multi-axial machine can advantageously be designed so that in the direction of movement of the endless conveyor successively differently configured devices for applying the unidirectional fiber layers are arranged. So it can be stored in continuous order broadened and not broadened fiber bundles as continuous material or in cut fiber bundle sections to unidirectional fiber layers.
  • the invention thereby advantageously and economically enables the construction of multiaxial webs of unidirectional fiber layers, which are very different in the material, the strength and the type of laying of the individual fibers. As a result, an optimal adaptation of the reinforcing fibers is given to the subsequent load of the fiber composite components to be produced.
  • the invention also relates, according to the preamble of claim 16, to a method for producing a fiber fabric in which at least the fibers forming the weft threads are fed to the device for weft insertion of a weaving machine in the form of a parallel fiber bundle.
  • Weaving methods of this kind are generally known, cf. for example the DE 201 13 230 U1 .
  • Such fabrics have also proved to be very advantageous due to their simpler textile handling and their good drapability in fiber composite construction. They are widely used in different bindings and as mixed or hybrid fabrics and mesh fabrics, with carbon and glass fibers being used particularly frequently, cf. this the textbook of M. Flemming, G. Ziegmann and S. Roth, "fiber composite construction", sub-band “Semi-finished and Bauweise", Berlin, Heidelberg 1996, pages 58 to 75 ,
  • the proposal according to the application can also be used to advantage in the weaving of such reinforcing fabrics.
  • the fibers of the weft threads are withdrawn from a creel and go through a Sp Dahlaggregat, creel and Sp Dahlaggregat are controlled as a common structural unit movable and upstream of the device for weft insertion.
  • the intermittent and discontinuous movement of the weft fibers during weft insertion is compensated by the opposing movement of the structural unit, so that here also fiber bundles of high uniformity are woven, the thin, d. H. good drapable and yet inexpensive.
  • Fig. 1 is denoted by the reference numeral 1, a machine frame which can form a lateral attachment to a multi-axial machine, see.
  • the machine frame 1 has a track in the form of guide rails 2.
  • a movable unit in the form of a carriage 3 by means of rollers 4 is movable.
  • the carriage 3 carries a creel 5 and a spreading unit 6, which is designed as a continuous unit.
  • the creel 5 consists of a plurality of bobbins 7 on which individual fibers 8, for example carbon fibers or aramid fibers, are wound up as bobbin material.
  • the individual fibers 8 are withdrawn via pulleys 9 of the coils 7 and guided by the spreading unit 6.
  • the coils 7 are equipped with braking devices so that the mechanical stress in the drawn fibers 8 can be adjusted and controlled.
  • the guide rollers 9 must just as well as existing guide eyelets or similar guide members have a smooth surface, so they do not damage the sensitive coil material.
  • the individual coils 7 and pulleys 9 are not only in height, but also offset laterally, see. Fig. 2 ,
  • the fibers 8 can be widened by passing them over rollers that are vibrated or heated in their axial direction.
  • the treatment with rotating, curved rollers for the purpose of spreading or broadening belongs to the prior art. The different methods can also be used together.
  • the operation of the spreading unit 6 can therefore be assumed to be known.
  • the aim of this treatment is always to transform the relatively thick individual fibers 8, especially carbon fibers, into a flat, band-shaped fiber bundle 10 of widened fibers, which lie parallel to each other in a close-fitting manner.
  • Such fiber bundles 10 thus form the suitable material for a unidirectional fiber layer 17 of low basis weight.
  • Fig. 3 is shown as the combined to form a carriage 3 structural unit of creel 5 and 6 Sp Dahlaggregat the multi-axial machine is spatially associated and cooperates with this.
  • the multi-axial machine only the two conventional conveyor chains 12a, b are indicated, the upper halves move in the transport direction according to the directional arrows 18.
  • An arrow 19 indicates the laying direction of the fiber bundle 10 provided on the carriage 3.
  • the fiber bundle 10 provided by the carriage is transferred by means of a laying device 13 to the conveyor chains 12a, b.
  • Their function is to take over a section of the endless fiber bundle 10 provided on the carriage 3, to guide it via the conveyor chains 12a, b, to separate it from the endless supply and finally to transfer it to the fastening devices located on the conveyor chains 12a, b ,
  • the machine frame 1 for the carriage 3 in the laying direction 19 of the fiber bundle 10 is arranged laterally adjacent to the multiaxial machine. In other words, the carriage 3 with the creel 5 and the Sp Sonaggregat 6 moves in the laying direction 19 of the fiber bundle 10 controlled driven back and forth.
  • the reference numeral 11 is in Fig. 3 a releasable holding and detecting means, which serves to hold the front free end of the spreading unit 6 leaving fiber bundle 10 until it is passed over the conveyor chains 12a, b.
  • a gripper 15 is used, which is driven to move back and forth along a guide track 14 transversely to the conveying direction 18 of the conveyor chains 12a, b.
  • the guideway 14 therefore also runs in the laying direction 19 of the fiber bundle 10.
  • the gripper 15 takes over the free end of the fiber bundle 10 and performs it across the conveyor chains 12a, b.
  • the strip-shaped section of the fiber bundle 10 located above the two conveyor chains 12a, b is then separated from a separating device, not shown, which is located in the region of the holding and detecting device 11, and thus becomes a separate fiber bundle section 10a.
  • the newly formed free end of the endless fiber bundle 10 is then held by the holding and detecting device 11 again.
  • the cut fiber bundle section 10a located above the conveyor chains 12a, b is grasped at its two ends by a laying device 16, likewise belonging to the laying device 13, which is driven to be reciprocated in the direction of the conveyor chains 12a, b.
  • the Leger clamping device 16 finally passes the cut fiber bundle section 10a to clamping devices, not shown, which are located on the conveyor chains 12a, b.
  • the fiber bundle section 10a has thus finally become part of the laid unidirectional fiber layer 17.
  • FIGS. 4 to 10 correspond to the Fig. 3 , but are simplified in the presentation. Above all, they show the movement of the carriage 3 in the Functional relationship with the transfer of the cut fiber bundle sections 10a to the conveyor chains 12a, b by means of the laying device 13. In the following, the individual phases in the function of the laying device 13 will first be described on the basis of FIG FIGS. 3 to 10 deepened and presented in detail.
  • FIG. 3 is the holding and detecting device 11 is closed, and the gripper 15 has indeed already detected the free end of the fiber bundle 10, but is still at rest.
  • the holding and detecting device 11 is opened; the gripper 15 has set in motion, cf. the movement arrow 20, and pulls the yarn sheet 10 at its front end along the guide track 14 on the conveyor chain 12a away to the conveyor chain 12b.
  • the gripper 15 has come to a standstill; the holding and detecting device 11 is closed again.
  • the Leger clamping device 16 has set against the conveying direction 18 of the conveyor chains in motion, see. the movement arrow 21.
  • a separating device, not shown, now separates the over the conveyor chains 12a, b located portion of the fiber layer 10, see.
  • FIG. 8 The laying separator 16 now moves in the opposite direction and carries the cut fiber bundle section 10a with it.
  • the gripper 15 returns to its starting position, cf. the movement arrow 20 in FIG. 9 , and the carriage 3 is constantly building a new supply of fiber bundle 10, see. the movement arrow 22 in the FIGS. 7 to 9 ,
  • the cut fiber bundle portion 10a has the same speed as the conveyor chains 12a, b, it is transferred from the leger clamp 16 to the fasteners located on the conveyor chains 12a, b.
  • the final state is achieved by the cut fiber bundle portion 10a has become part of the laid unidirectional fiber layer 17 and the gripper 15 again takes the front free end of the fiber bundle 10, which is available on the carriage 3 as an endless supply.
  • the compensation is made by the controlled movement of the carriage 3.
  • This is moved outward, see. the directional arrow 22 in FIG. 3 , is formed by the extended, located above the machine frame 1 fiber bundle 10 a reserve of the length L, which can be made available for an acceleration phase of the gripper 15 when the need of the gripper 15 exceeds the possibility of delivery of the creel 5.
  • the extended fiber bundle has there the largest length L max , while in the phase according to FIG. 6 this reserve is completely used up.
  • FIG. 11 In qualitative terms, the relationship between the produced, the spent and the stored fiber share is shown. On the ordinate of FIG. 11 the fiber bundle is given as length in mm. FIG. 11 shows the laying of a single cut fiber bundle section 10a. The process begins at the time T0 and would repeat from the time T0 ', because in continuous operation, the filing of the fiber bundle sections 10a is also repeated continuously.
  • the straight line a represents the fiber bundle produced. Since this process takes place continuously, a must be a straight line.
  • a starting phase starting at T1 an accelerated movement of the A gripper 15, which is braked again with approach to the end position and goes to standstill at time T5.
  • the gripper 15 requires more fiber bundle 10 in its movement phase than the creel 8 located on the carriage 3 can provide. If the gripper 15 is from the time T5, however, on the other hand, the amount of fiber bundle 10 still produced must be temporarily stored, so that there are always constant conditions when the fibers 8 are pulled off and widened.
  • FIG. 12 is a representation of the speeds at which the fiber bundle 10 (straight line a) is produced and with which the gripper (curve b) and the carriage 3 (curve c) move.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonwoven Fabrics (AREA)

Claims (21)

  1. Procédé pour appliquer une couche de fibres unidirectionnelle (17) en forme de bande, de ruban ou de nappe sur un support se déplaçant dans la direction longitudinale de la couche de fibres produite (17), comprenant les étapes de procédé suivantes, formant une opération de traitement en tant que tout :
    a) les fibres individuelles (8) sont déroulées des bobines (7) d'un cantre (5) et passent à travers une unité d'écartement (6), de manière à produire une nappe de fibres (10) constituée de fibres élargies s'étendant parallèlement ;
    b) la nappe de fibres (10) est acheminée à un dispositif de pose (13) ;
    c) le dispositif de pose (13) dépose la nappe de fibres (10) sur le support, la direction des fibres élargies s'étendant parallèlement (8) s'écartant de la direction longitudinale de la couche de fibres unidirectionnelle (17) en forme de bande, de ruban ou de nappe produite ;
    d) le cantre (5) est déplacé conjointement avec l'unité d'écartement (6) sous forme d'unité structurelle commune de manière commandée de telle sorte que la distance L entre l'unité structurelle commune et le dispositif de pose (13) soit modifiée de manière spécifique ;
    e) le déplacement de l'unité structurelle commune se produit en fonction du besoin variant dans le temps en nappe de fibres (10) du dispositif de pose (13).
  2. Procédé selon la revendication 1, caractérisé en ce que le dispositif de pose (13) dépose la nappe de fibres (10) sous forme de matériau sans fin sur le support.
  3. Procédé selon la revendication 1, caractérisé en ce qu'au cours de la même opération de traitement, la nappe de fibres (10) est séparée sur le chemin entre l'unité d'écartement (6) et le dispositif de pose (13) en portions individuelles de nappe de fibres (10a), lesquelles sont ensuite déposées individuellement les unes après les autres par le dispositif de pose (13) sur le support.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'unité structurelle commune est guidée d'avant en arrière sous forme de chariot mobile (3) sur une voie de déplacement qui se situe latéralement à côté du support mobile dans la région au niveau de laquelle la nappe de fibres (10) est déposée, et se raccorde à la direction de pose (19).
  5. Procédé selon la revendication 4, caractérisé en ce que le chariot mobile (3) se déplace sur une voie de déplacement rectiligne.
  6. Procédé de fabrication d'un canevas multiaxial en forme de bande, de ruban ou de nappe, dans lequel, sur un dispositif de transport sans fin s'étendant dans la direction longitudinale du canevas multiaxial produit, sont appliquées les unes après les autres deux ou plus de deux couches de fibres unidirectionnelles (17) qui sont ensuite connectées les unes aux autres, au moins l'une des couches de fibres unidirectionnelles (17) étant appliquée selon le procédé selon l'une quelconque des revendications 1 à 5, et le dispositif de transport sans fin ou une couche de fibres unidirectionnelle déjà déposée servant de support.
  7. Dispositif pour appliquer une couche de fibres unidirectionnelle (17) en forme de bande, de ruban ou de nappe sur un support se déplaçant dans la direction longitudinale de la couche de fibres produite (17), comprenant un cantre (5) dans lequel les bobines individuelles (7) sont réunies pour recevoir les fibres individuelles à appliquer (8), comprenant une unité d'écartement (6) réalisée sous forme d'unité continue et comprenant un dispositif de pose (13), les fibres (8) déroulées depuis le cantre (5) quittant l'unité d'écartement (6) sous forme de nappe de fibres (10) s'étendant parallèlement et étant acheminées au dispositif de pose (13), qui dépose la nappe de fibres (10) sur le support dans une direction qui s'écarte de la direction longitudinale de la couche de fibres unidirectionnelle (17) en forme de bande, de ruban ou de nappe produite, pour mettre en oeuvre le procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le cantre (5) est assemblé à l'unité d'écartement (6) pour former une unité structurelle qui peut être déplacée dans la direction d'alimentation de la nappe de fibres (10) au dispositif de pose (13) de manière commandée et qui sert de stockage de fils pour le dispositif de pose (13).
  8. Dispositif selon la revendication 7, caractérisé en ce que l'unité commune est réalisée sous forme de chariot mobile (3), sur lequel se situent le cantre (5) et l'unité d'écartement (6).
  9. Dispositif selon la revendication 8, caractérisé en ce que le chariot mobile (3) est guidé de manière déplaçable sur une voie de guidage rectiligne qui est montée de manière à s'étendre dans la direction de pose (19) de la nappe de fibres (10), latéralement à côté du support mobile dans la région au niveau de laquelle la nappe de fibres (10) est appliquée.
  10. Dispositif selon la revendication 9, caractérisé en ce que le mouvement du chariot mobile (3) a lieu dans des directions alternées et à une vitesse différente au moyen d'un entraînement motorisé qui se produit en fonction du besoin variant dans le temps en nappe de fibres (10) de l'unité de pose (13).
  11. Dispositif selon l'une quelconque des revendications 7 à 10, caractérisé par une unité de pose (13) pour déposer la nappe de fibres (10) sous forme de matériau sans fin.
  12. Dispositif selon l'une quelconque des revendications 7 à 10, caractérisé par un dispositif de pose (13) pour déposer la nappe de fibres (10) en portions de nappe de fibres (10a) en forme de bandes individuelles découpées à la longueur voulue.
  13. Dispositif selon l'une quelconque des revendications 7 à 12, caractérisé en ce que le support est formé par deux chaînes de transport (12a, 12b) entraînées et s'étendant parallèlement à distance l'une de l'autre, lesquelles sont pourvues de dispositifs de retenue pour la ou les nappe(s) de fibres (10a) posée(s).
  14. Machine multiaxiale pour la fabrication d'un canevas multiaxial en forme de bande, de ruban ou de nappe, comprenant au moins deux dispositifs permettant d'appliquer des couches de fibres unidirectionnelles (17) les unes après les autres sur un dispositif de transport sans fin déplacé dans la direction longitudinale du canevas multiaxial produit, avec réalisation d'au moins l'un des dispositifs pour appliquer la couche de fibres unidirectionnelle (17) selon l'une quelconque des revendications 7 à 13.
  15. Machine multiaxiale selon la revendication 14, caractérisée en ce que des dispositifs réalisés de manière différente les uns derrière les autres sont disposés dans la direction de déplacement du dispositif de transport sans fin pour appliquer les couches de fibres unidirectionnelles (17), de telle sorte que des nappes de fibres (10) élargies et non élargies successivement en alternance soient déposées sous forme de matériau sans fin ou dans des portions de nappe de fibres découpées à la longueur voulue pour former des couches de fibres unidirectionnelles (17).
  16. Procédé de fabrication d'un tissu fibreux, dans lequel au moins les fibres formant les fils de trame sont acheminées sous forme d'une nappe de fibres orientée parallèlement du dispositif d'insertion de la trame d'un métier à tisser, caractérisé par les étapes de procédé suivantes formant une opération de traitement en tant que tout :
    a) les fibres individuelles du matériau de départ sont déroulées des bobines d'un cantre et passent à travers une unité d'écartement ;
    b) la nappe de fibres orientée parallèlement produite à partir des fibres élargies est acheminée au dispositif d'insertion de la trame ;
    c) le cantre est déplacé conjointement avec l'unité d'écartement sous forme d'unité structurelle commune de manière commandée de telle sorte que la distance entre l'unité structurelle commune et le dispositif d'insertion de la trame soit modifiée de manière spécifique ;
    d) le déplacement de l'unité structurelle commune se produit en fonction du besoin variant dans le temps en nappe de fibres au niveau du dispositif d'insertion de la trame.
  17. Procédé selon la revendication 16, caractérisé en ce que l'unité structurelle commune est guidée d'avant en arrière sous forme de chariot mobile sur une voie dé déplacement qui se raccorde latéralement au dispositif d'insertion de la trame.
  18. Procédé selon la revendication 17, caractérisé en ce que le chariot mobile se déplace sur une voie de déplacement rectiligne.
  19. Métier à tisser pour la fabrication d'un tissu fibreux, dans lequel au moins les fibres formant les fils de trame sont introduites sous forme de nappe de fibres orientée parallèlement dans la foule formée par les fils de chaîne, comprenant un dispositif d'insertion de la trame, pour la mise en oeuvre du procédé selon l'une quelconque des revendications 16 à 18, caractérisé en ce que le cantre est assemblé à une unité d'écartement pour élargir les fibres de trame déroulées du cantre pour former une unité structurelle commune qui peut être déplacée de manière commandée dans la direction d'alimentation de la nappe de fibres au dispositif d'insertion de trame et qui sert de stockage de fils pour celui-ci.
  20. Dispositif selon la revendication 19, caractérisé en ce que l'unité structurelle commune est réalisée sous forme de chariot mobile, sur lequel se situent le cantre et l'unité d'écartement.
  21. Dispositif selon la revendication 20, caractérisé en ce que le chariot mobile est guidé de manière déplaçable sur une voie de guidage rectiligne qui est montée de manière à s'étendre dans la direction de la trame de la nappe de fibres, latéralement à côté du dispositif d'insertion de la trame produit.
EP20070011718 2007-06-14 2007-06-14 Procédé et dispositif destinés à la création d'une couche de fibre unidirectionnelle, procédé destiné à la fabrication d'une mêche et dispositif multiaxiale, et procédé de la fabrication d'un tissu fibreux et un métier à tisser Active EP2003232B1 (fr)

Priority Applications (2)

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EP20070011718 EP2003232B1 (fr) 2007-06-14 2007-06-14 Procédé et dispositif destinés à la création d'une couche de fibre unidirectionnelle, procédé destiné à la fabrication d'une mêche et dispositif multiaxiale, et procédé de la fabrication d'un tissu fibreux et un métier à tisser
CN 200810107482 CN101538771B (zh) 2007-06-14 2008-06-13 敷设单向纤维层的方法和装置以及生产相关织物的方法和织机

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EP20070011718 EP2003232B1 (fr) 2007-06-14 2007-06-14 Procédé et dispositif destinés à la création d'une couche de fibre unidirectionnelle, procédé destiné à la fabrication d'une mêche et dispositif multiaxiale, et procédé de la fabrication d'un tissu fibreux et un métier à tisser

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EP3587646A1 (fr) 2018-06-28 2020-01-01 KARL MEYER Technische Textilien GmbH Dispositif et procédé d'application d'une couche fibreuse unidirectionnelle en forme de bande, de ruban ou de feuille continue à l'aide d'au moins un cantre supportant une pluralité de bobines

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DE102009042384B4 (de) 2009-09-21 2013-08-08 Liba Maschinenfabrik Gmbh Verfahren und Einrichtung zum Aufbringen einer unidirektionalen Faserlage auf eine sich bewegende Unterstützung und Verfahren zum Herstellen eines Multiaxialgeleges
DE102009056189A1 (de) * 2009-11-27 2011-06-01 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Vorrichtung und Verfahren zum Erzeugen einer UD-Lage
DE202010008748U1 (de) * 2010-10-07 2012-01-16 Autefa Solutions Germany Gmbh Legeeinrichtung
DE102012206404B4 (de) * 2011-08-29 2014-01-02 Liba Maschinenfabrik Gmbh Multiaxiales Fadengelege, Verfahren zum Herstellen eines multiaxialen Fadengeleges, Multiaxialmaschine und Einrichtungen zum Herstellen von unidirektionalen Fadenlagen und von multiaxialen Fadengelegen
CN102767049B (zh) * 2012-07-28 2013-11-20 常州市第八纺织机械有限公司 零度送纱装置
ES2568023T3 (es) * 2013-09-02 2016-04-27 Karl Mayer Technische Textilien Gmbh Procedimiento y dispositivo para producir un tejido no tejido
CN103590183B (zh) * 2013-10-24 2015-04-01 常州市第八纺织机械有限公司 多轴向经编机x向导轨滑台装置
CN107523931A (zh) * 2017-09-26 2017-12-29 常州市宏发纵横新材料科技股份有限公司 碳玻一步混编织造工艺及装置
CN112626680B (zh) * 2020-12-10 2022-04-22 南京玻璃纤维研究设计院有限公司 一种三维机织封闭式空腔结构的制备方法及其预制件
CN112626665B (zh) * 2020-12-14 2022-09-09 东台市华阳玻纤有限责任公司 用于制动器刹瓦的斜纹膨体编织布的制作方法

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