EP2872682B1 - Distributeur de voile - Google Patents

Distributeur de voile Download PDF

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Publication number
EP2872682B1
EP2872682B1 EP13742410.7A EP13742410A EP2872682B1 EP 2872682 B1 EP2872682 B1 EP 2872682B1 EP 13742410 A EP13742410 A EP 13742410A EP 2872682 B1 EP2872682 B1 EP 2872682B1
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EP
European Patent Office
Prior art keywords
belt
laying
deflection
belts
cross lapper
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.)
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EP13742410.7A
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German (de)
English (en)
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EP2872682A1 (fr
Inventor
Rudolf Kuhn
Steffen HARTUNG
Andreas Meier
Joachim BINNIG
Eberhard HÄBERLE
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Hi Tech Textile Holding GmbH
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Hi Tech Textile Holding GmbH
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Publication date
Application filed by Hi Tech Textile Holding GmbH filed Critical Hi Tech Textile Holding GmbH
Priority to EP18193837.4A priority Critical patent/EP3447175B1/fr
Publication of EP2872682A1 publication Critical patent/EP2872682A1/fr
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Publication of EP2872682B1 publication Critical patent/EP2872682B1/fr
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres

Definitions

  • the invention relates to a nonwoven layer and a nonwoven laying method with the features in the preamble of the method and device main claim.
  • Such a fleece layer is from the EP 1 828 453 B1 known. It is designed as a so-called stripper and has two main cars (superstructure and laying carriage) and two bands, which are guided over pulleys on the main car. The uppercarriage has a band deflection for both levers.
  • the one ribbon is designed as a feed belt, to which a batt on the input side of the batt is transferred. The feed belt with the overlying batt is deflected at the belt deflection by 180 ° in the opposite direction via two rollers, wherein both bands have straight and obliquely downward parallel band sections at the band deflection, between which the pile is received and guided on both sides in the terminal closure.
  • the DE 295 18 587 U1 and the EP 1 136 600 A1 also show fleece laying with such a band deflection on the superstructure with two deflection points for the feed belt with the resting pile.
  • the nonwoven layer with the claimed strip deflection and the nonwoven laying method have the advantage that the batt can be guided better and more gently and transported over the strip deflection. In addition, higher throughput speeds of the batt are possible than in the prior art.
  • the arrangement of first and second and optionally further straight band sections with a corresponding number of three or more deflection points on the band deflection has the advantage that the batt at the critical points can be performed better.
  • the three or more deflection points reduce over the prior art, the deflection angle, which is also beneficial for the guidance and the hold of the pile.
  • the band and Florumlenkung can be done gradually and thus gently in several steps.
  • the last straight band section at the end of the band deflection already has an inclination in the direction opposite to the feed direction wherein in this band section of the pile is guided on both sides in the terminal connection of the guide belts.
  • this band section he can be solidified, so he the last deflection point despite a there only one-sided pile guide safely and can also pass with high throughput speed.
  • Fliehkraft ceremonie detachments of the batt of only one-sided leading band or structural changes of the batt at such deflection can be avoided with the band deflection invention.
  • the claimed nonwoven can be designed for very high belt speeds and web speeds. For this purpose, training as gleichschreiber Leger with the same direction moving main car advantage.
  • the pile can be supplied by the superstructure, the laying carriage on a direct and straight path without further deflections and stored by the carriage on a deduction device.
  • the nonwoven layer can also have a tensioning device or band length compensation device, which enables decoupling of the main carriage and its kinematics.
  • the weight per unit area of the deposited nonwoven can be influenced and if necessary changed over the laying width and / or over the length of fleece.
  • the nonwoven may have a buffering function to compensate for fluctuating shrinkage speeds of the batt.
  • the invention relates to a nonwoven layer (1) and a nonwoven laying method.
  • the invention also relates to a fiber treatment plant with a nonwoven layer (1) and other plant components.
  • the nonwoven layer (1) serves to panel a fed fiber web (9) into a multilayer web (10).
  • the nonwoven layer (1) has for this purpose in the embodiment of FIG. 1 two main carriages (2, 3), namely a first main carriage or superstructure (2) and a second main carriage or laying carriage (3), and two endless laying belts (6, 7) guided in a loop over both main carriages (2, 3) on.
  • the nonwoven layer (1) further has a transverse or oblique to the movement path of the main carriage (2,3) directed withdrawal device (8) for receiving and removing the multilayer web (10).
  • the nonwoven layer (1) may comprise a tensioning device (4).
  • the two guided in separate loop paths strips (6,7) come together on the superstructure (2) from different directions, where they are guided over a band deflection (12) described below and emerge from the superstructure (2) in a parallel position, between them the Take up the batt (9) and both sides in the terminal lead.
  • the fleece (9) is transferred directly from the parallel strip section to the laying carriage (3) in a straight path.
  • the laying belts (6, 7) come apart again and are led away in opposite directions, wherein the released fiber web (9) exits downwards onto the removal device (8) and is deposited there.
  • the laying carriage (7) performs this reversing driving movements in the transverse direction to the removal device (8), which performs a preferably coupled with the laying carriage movement forward movement and transported away in scale-like padded fleece (10).
  • the main cars (2, 3) are mounted and guided in parallel to one another by means of drives (31) on a rail guide in the frame of the nonwoven layer (1). They each have their own and independently controllable drive (not shown) for their driving movement.
  • drives (31) on a rail guide in the frame of the nonwoven layer (1). They each have their own and independently controllable drive (not shown) for their driving movement.
  • Leger move the main car (2,3) in the same direction Leger move the main car (2,3) in the same direction, the uppercarriage (2) compared to the laying carriage (3) has double paths and a double speed.
  • the movements of the main car (2,3) may be decoupled from each other, so that changes in movement differences, the loop length of the main carriage (2,3) parallel guided bands (6,7) and thereby a pile store can be formed.
  • the bands (6,7) may also have independent drives that put them in a controlled orbital motion.
  • Such a configuration makes it possible to influence the exit speed of the fibrous web (9) on the laying carriage (3) and, in particular, to decouple it from the traveling speed of the laying carriage (3). This can affect the pile tray on the removal device (8) and the weight per unit area of the fleece (10) and be changed over the laying width of the reciprocating laying carriage (3).
  • the solidified end product can receive a desired basis weight distribution or error compensation of pile or consolidation errors can be operated.
  • the nonwoven layer (1) can be designed in different ways, eg according to the EP 1 828 453 B1 , or the DE 203 21 834 U1 or the EP 0 517 563 B2 ,
  • the difference to the previously known fleece layers consists primarily in the design of the upper carriage (2) and the band deflection (12).
  • FIG. 2 shows this band deflection (12) in an enlarged detail view.
  • the two laying belts (6, 7) are supplied to the upper carriage (2) and the upper-run band guide (12) at an inlet point (32) separated from each other and from opposite directions.
  • the one laying band (6) forms the so-called feed belt, which holds the batt (9) at the in FIG. 1 receives the left input side (35) of the nonwoven layer (1), carries and the superstructure (2) feeds.
  • the pile guide may be unilaterally and in an open position, with possibly one or more pressure rollers being present.
  • the other laying belt (7) is referred to below as the counter belt.
  • Both laying belts (6, 7) are fed in a substantially horizontal orientation to the superstructure (2) and the belt deflection (12).
  • the feed belt (6) is at the band deflection (12) from its feed direction (11) deflected in the opposite direction by about 180 ° down to an outlet point (33) on the superstructure.
  • both guide strips (6,7) emerge in closely adjacent parallel positions and form a two-sided pile guide region (34) in the sandwich with the batt (9).
  • the upper strand (13) and the lower strand (14) of the feed belt (6) are aligned in parallel, wherein the outlet height of the upper carriage (2) and the inlet height of the laying carriage (3) are the same. This results in a deflection angle of 180 °. If the said outlet and inlet heights are different, the lower run (14) may have an inclination to the horizontal, so that the deflection angle of 180 ° may differ slightly. Angular deviation may also occur for other reasons, e.g. when the upper run (13) has a tilt.
  • the entry and exit direction of the opposing belt (7) on the superstructure (2) can be rectified and, in particular, horizontal.
  • band deflection (12) is effected in between a height offset of the opposite band (7) between the inlet and outlet point (32,33).
  • Both above entering levers (6,7) are deflected at the band deflection (12) down and emerge on the upper carriage (2) in a lower position again, in the aforementioned manner preferably the same height as the inlet point on the laying carriage (3) Has.
  • the band deflection (12) has three preferably rounded deflection points (15, 16, 17) for the fibrous web (9) bearing, so-called. Floating laying belt (6).
  • the number of deflection points can alternatively be greater and be four, for example.
  • the deflection points (15, 16, 17), for example, each of freely rotatable or optionally driven cylindrical deflection rollers formed over the jacket of the feed belt (6) is guided. Alternatively, other deflection means are possible.
  • the three deflection points (15, 16, 17) or deflection rollers are arranged at a distance one above the other, wherein the middle deflection point (16) in the feed direction (11) further forward than the other two deflection points (15, 17).
  • a first straight belt section (22) and between the middle (16) and lower deflection point or deflection roller (17) a second straight belt section (23) of the feed belt (6) formed.
  • the in the feed direction (11) first band portion (22) is directed in the feed direction (11) obliquely downward.
  • the second band section (23) is directed counter to the feed direction (11) obliquely downward. If the band deflection (12) has more than three deflection points for the feed belt (6), the band section (23) is the last band section in front of the outlet point (33) of the upper carriage (2).
  • the feed belt (6) has at the shown three deflection points (15,16,17) each have a deflection angle ⁇ , ⁇ , ⁇ , which is less than 90 °.
  • the angles ⁇ , ⁇ , ⁇ give the total deflection angle of e.g. 180 °.
  • the first deflection angle ⁇ at the first deflection point or deflection roller (15) and also the last, in particular third deflection angle ⁇ at the last or third deflection point (17) are each greater than the deflection angle ⁇ at the middle one Deflection point (16).
  • the first deflection angle ⁇ can be between 55 ° and 70 °, preferably about 63 °.
  • the second smaller deflection angle ⁇ can be between 40 ° and 55 °, preferably about 46 °.
  • the third and eg last deflection angle ⁇ can be between 65 ° and 75 ° and is preferably about 71 °.
  • the aforementioned deflection angles ⁇ , ⁇ , ⁇ can vary in size and assignment.
  • the first deflection point or deflection roller (15) on the superstructure (2) against the feed direction (11) to be moved horizontally the other two deflection points or pulleys (16, 17) retain their arrangement and training.
  • the first deflection angle ⁇ is smaller and the second deflection angle ⁇ greater than in FIG. 2 , possibly also their size ratio changes, in particular reverses.
  • the band deflection (12) also has three or more deflection rollers (18 to 21) for the other counter belt (7).
  • deflection rollers (18 to 21) for the other counter belt (7).
  • the first deflection roller (18) Seen in the direction of feed of the counter belt (7) to the superstructure (2), the first deflection roller (18) is located in front of the middle deflection roller (19) and this again in front of the lower deflection roller (20).
  • a first straight band section (24) and between the second or middle deflection roller (19) and the lower and / or third deflection roller (20) a second straight band section (FIG. 25) is formed.
  • These straight band sections (24, 25) also have different orientations.
  • the counter belt (7) is arranged below and carries the batt (9), wherein the feed belt (6) is arranged above it and covers the batt (9) from above.
  • the fibrous web (9) on the upper strand (13) of the feed belt (6) lying on the upper inlet point (32) the upper carriage (2) and the band deflection (12) is supplied.
  • obliquely downward straight strip section (22) of the batt (9) is also guided on one side on the feed belt (6) lying.
  • the opposite first straight band portion (24) of the opposite band (7) is widely spaced.
  • the first straight strip sections (22, 24) of both guide belts (6, 7) have different orientations and run obliquely toward one another.
  • the second or last straight band sections (23, 25) of both guide ribbons (6, 7) are closely adjacent and are directed essentially identically, their orientation having a directional component opposite to the direction of feed (11).
  • the second or last straight strip sections (23, 25) form a narrow gap between them, in which the fiber web (9) is received and possibly guided on both sides with a clamping connection.
  • the said band sections (23, 25) can run parallel to one another. You can for the purpose of a Florkkompakt réelle with an acute angle tapered towards each other and thereby a narrowing in the direction of flow direction gap form. The shape and size of the gap can be adjusted and changed.
  • the deflection or the respective shell areas of the pulleys (16, 19) of the guide belts (6,7) have a different height, for example, the deflection of the counter-belt (7) is slightly higher.
  • the deflection rollers (16, 19) may be arranged with their axes at the same height, wherein the roller diameter of the deflection roller (16) is greater than that of the deflection roller (19).
  • the fiber web (9) already has the straight belt section (25) of the opposite band (7).
  • the straight band portion (25) of the opposite band (7) ends before the straight band portion (23) of the feed belt (6).
  • the lower deflection rollers (17, 20) can have roughly equal diameters, wherein the deflection roller (20) of the opposing belt (7) is arranged with its axis somewhat above the axis of the deflection roller (17).
  • the deflection rollers (17 to 21) of both laying belts (6, 7) can have adjustable axes and can be adapted to different pile thicknesses or other pile properties.
  • the upper carriage (2) on the belt deflection (12) has a pile guide (28) with several, eg two guide sections (29, 30) in which the fiber pile (9) is guided on one side and then on both sides.
  • a first open guide section (29) is thereby formed between the first straight strip sections (22, 24) of the laying belts (6, 7), which run like a funnel with a large opening angle of, for example, more than 10 ° at an angle to one another.
  • the batt (9) is guided here on one side on the feed belt (6). Due to the moderate deflection angle ⁇ does not lift the open guided batt (9), even at high speeds from the feed belt (6).
  • the first open guide section (29) is adjoined by the second closed guide section (30) into which the fiber web (9) dives without guidance over a likewise moderate deflection angle ⁇ .
  • the second guide section (30) forms a clamping section between the second straight strip sections (23, 25), between which the fiber web (9) is guided on both sides in the terminal closure.
  • the clamping area (30) is directed to the outlet point (33) and ends shortly before.
  • the two-sided guide is canceled again, wherein the possibly compacted and additionally stabilized fiber web (9) at the third deflection point (17) again under one-sided guidance on the feed belt (6) moderately deflected by the angle ⁇ and then enters the outlet side (33) on both sides guide region (34) between the rejoined guide belts (6,7).
  • the fiber web (9) already has a directional component counter to the feed direction (11) and in the direction of advancement to the laying carriage (3). Even at this deflection point (17) it thus does not detach from the load-bearing feed belt (6) despite one-sided guidance. This is the case even at high speeds and correspondingly high centrifugal forces.
  • the nonwoven layer (1) can be preceded on the input side (35) one or more system components.
  • This may be, for example, a pile forming device, in particular a card or a carding machine.
  • a stretching or compression device, a pile store or the like may be connected upstream of other system components.
  • the mentioned system components are not for the sake of clarity shown.
  • On the output side of the web laying machine (1) and the delivery point of the discharge device (8) can also be followed by one or more system components.
  • This may be a web stabilizer, e.g. a single-stage or multi-stage needling machine, a hydroentangling plant, a thermal consolidation device or the like.
  • a compensating belt for buffering and compensating fluctuating nonwoven delivery speeds between the nonwoven layering machine (1) and the solidifying device, in particular the needling machine can also be connected.
  • the number of deflection points (15, 16, 17) of the feed belt (6) may be greater than three and may be e.g. four or five, with the number and orientation of the straight band sections (22,23) increases accordingly.
  • the size and distribution of the deflection can change.
  • the deflection points (18,19,20) of the opposing belt (7) can be adjusted accordingly.
  • the pile guide (28) can also receive a larger number of sections, wherein the number of open guide sections (29) and / or the clamping sections (30) can be increased.
  • the nonwoven layer (1) can be designed, for example, as an opposite layer, in which the main carriages (2, 3) move in opposite directions and the guide strips (34) are parallel between the two main carriages (2, 3) ) are guided over a frame-fixed deflection, such as a guide roller.
  • the clamping device (4) can be omitted or formed in another way, for example, they only has a single auxiliary or tensioning carriage.
  • the guidance of the laying belts (6, 7) can be designed in a different way, wherein, for example, one or more additional support carriages are arranged.
  • the counter belt (7) can be laid to form a closed pile feed to the input side of the web laying (1) and cover the batt (9) on the feed belt (6).
  • Such modifications of the design of the nonwoven layer (1) shown can, for example, according to the EP 1 010 785 , of the EP 1 010 786 or the EP 1 010 787 be educated.
  • the laying belts (6, 7) in the illustrated embodiment consist of tensile and flexurally elastic plastic webs. They may alternatively consist of other materials and e.g. be designed as a chain or slat bands. Variations are also possible with regard to drive technology.
  • the main car (2,3) may have a common drive for their driving movements and may be mechanically coupled to each other by a rope or the like.
  • the fleece laying machine (1) has a preferably programmable controller (not shown) to which the various drives of the main carriage (2, 3), the laying belts (6, 7) and the removal device (8) and possibly further components, e.g. a arranged in the inlet region stretching device are connected.
  • This control can be connected to a higher-level system control or integrated into it.
  • a band deflection (12) of the type shown with several deflection points for at least one laying belt (6,7) can also be present at other locations of a fleece layer (1) or stacker, for example on the laying carriage (3) or on a stationary 180 ° band deflection in the Frame of the fleece layer (1).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (15)

  1. Distributeur de voile avec un chariot supérieur (2) et un chariot de distribution (3), ainsi que deux bandes de distribution sans fin (6, 7), qui sont guidées respectivement par des rouleaux de déviation (15 - 21) sur le chariot supérieur (2) et sur le chariot de distribution (3), dans lequel une première bande de distribution (6) est réalisée sous forme de bande d'alimentation, qui porte un poil de fibre (9) et l'envoie au chariot supérieur (2) et le chariot supérieur (2) présente une déviation de bande (12) pour les deux bandes de distribution (6, 7), dans lequel ladite première bande de distribution (6) est déviée à la déviation de bande (12) d'environ 180° de sa direction d'alimentation (11) à la direction inverse, caractérisé en ce que la déviation de bande (12) présente trois points de déviation ou plus (15, 16, 17) pour ladite première bande de distribution (6), dans lequel
    - ladite première bande de distribution (6) présente à la déviation de bande (12) deux sections de bande droites ou plus (22, 23) avec des orientations différentes, et
    - la première section de bande (22) dans la direction d'alimentation (11) est orientée en oblique vers le bas dans la direction d'alimentation (11) et la deuxième ou la dernière section de bande (23) est orientée en oblique vers le bas à l'inverse de la direction d'alimentation (11),
    - dans lequel l'autre bande de distribution (7) présente à la déviation de bande (12) deux sections de bande droites ou plus (24, 25) avec des orientations différentes,
    - dans lequel les premières ou supérieures sections de bande droites (22, 24) des deux bandes de distribution (6, 7) présentent des orientations différentes et progressent en oblique l'une vers l'autre,
    - et les deuxièmes ou dernières sections de bande droites (23, 25) des deux bandes de distribution (6, 7) sont très proches et ont essentiellement la même orientation.
  2. Distributeur de voile selon la revendication 1, caractérisé en ce que les points de déviation (15, 16, 17) de ladite première bande de distribution (6) sont formés à la déviation de bande (12) par des rouleaux de déviation, dans lequel la déviation de bande (12) présente pour l'autre bande de distribution (7) trois rouleaux de déviation ou plus (18 - 21).
  3. Distributeur de voile selon la revendication 2, caractérisé en ce que trois rouleaux de déviation (18, 19, 20) de l'autre bande de distribution (7) sont disposés à distance l'un au-dessus de l'autre, dans lequel, vus dans la direction d'arrivée de l'autre bande de distribution (7) vers le chariot supérieur (2), le premier rouleau de déviation (18) est situé avant le rouleau de déviation moyen (19) et celui-ci est de nouveau situé avant le rouleau de déviation inférieur (20).
  4. Distributeur de voile selon la revendication 2 ou 3, caractérisé en ce que les sections de bande droites (22, 23, 24, 25) des bandes de distribution (6, 7) sont disposées entre des rouleaux de déviation (15, 16, 17, 18, 19, 20).
  5. Distributeur de voile selon la revendication 1, 2 ou 3, caractérisé en ce que ladite première bande de distribution (6) présente aux trois points de déviation ou plus (15, 16, 17) chaque fois un angle de déviation α, β, γ de moins de 90°.
  6. Distributeur de voile selon la revendication 5, caractérisé en ce que le premier angle de déviation α et le dernier, en particulier le troisième, angle de déviation γ sont chacun plus grands que l'angle de déviation moyen, en particulier le deuxième β.
  7. Distributeur de voile selon la revendication 5 ou 6, caractérisé en ce que le premier angle de déviation α vaut entre 55° et 70°, de préférence environ 63°, le deuxième angle de déviation β vaut entre 40° et 55°, de préférence environ 46°, et le troisième et dernier angle de déviation γ vaut entre 65° et 75°, de préférence environ 71°.
  8. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que les deuxièmes ou dernières sections droites (23, 25) des deux bandes de distribution (6, 7) progressent parallèlement l'une à l'autre ou l'une vers l'autre en forme de cône d'angle aigu.
  9. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que le chariot supérieur (2) présente à la déviation de bande (12) un guidage de poil (28) avec plusieurs sections (29, 30) dans lesquelles le poil de fibre (9) est guidé d'abord sur un côté et ensuite sur les deux côtés.
  10. Distributeur de voile selon la revendication 9, caractérisé en ce qu'une première section de guidage ouverte (29) est formée entre les premières sections de bande droites (22, 24) sur ladite première bande de distribution (6), dans lequel le poil de fibre (9) sur ladite première bande de distribution (6) est guidé sur un côté et dans lequel une section de guidage fermée qui suit (30) est formée entre les deuxièmes ou dernières sections de bande droites (23, 25) des deux bandes de distribution (6, 7), dans lequel le poil de fibre (9) est guidé sur les deux côtés dans la zone de serrage.
  11. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que le chariot supérieur (2) et le chariot de distribution (3) sont mobiles parallèlement l'un à l'autre et sont entraînés et commandés indépendamment l'un de l'autre, dans lequel le distributeur de voile (1) présente des entraînements de bande commandés pour l'entraînement en circulation des bandes de distribution (6, 7).
  12. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que le distributeur de bande (1) présente un dispositif de serrage (4), en particulier avec un agencement de chariot auxiliaire, pour les bandes de distribution (6, 7), qui est couplé au chariot supérieur (2) et au chariot de distribution (3).
  13. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que les bandes de distribution (6, 7) sont guidées parallèlement dans la région entre le chariot supérieur (2) et le chariot de distribution (3) dans une section droite individuelle et serrent entre elles le poil de fibre (9).
  14. Distributeur de voile selon l'une quelconque des revendications précédentes, caractérisé en ce que le distributeur de voile (1) est disposé dans une installation de traitement de fibres après un dispositif de formation de poils, en particulier une carde ou une machine à carder et est disposé après un dispositif de consolidation de voile, en particulier une aiguilleteuse ou une installation de consolidation au jet d'eau.
  15. Procédé de distribution d'un voile multicouche (10) avec un distributeur de voile (1), qui présente un chariot supérieur (2) et un chariot de distribution (3), ainsi que deux bandes de distribution sans fin (6, 7), qui sont guidées par des rouleaux de déviation (15 - 21) sur le chariot supérieur (2) et sur le chariot de distribution (3), dans lequel une première bande de distribution (6) réalisée sous forme de bande d'alimentation porte un poil de fibre (9) et l'envoie au chariot supérieur (2) et le chariot supérieur (2) présente une déviation de bande (12) pour les deux bandes de distribution (6, 7), dans lequel ladite première bande de distribution (6) est déviée à la déviation de bande (12) d'environ 180° de sa direction d'alimentation (11) à la direction inverse, caractérisé en ce que l'on dévie ladite première bande de distribution (6) à la déviation de bande (12) en trois points de déviation ou plus (15, 16, 17), dans lequel
    - ladite première bande de distribution (6) présente à la déviation de bande (12) deux sections de bande droites ou plus (22, 23) avec des orientations différentes, et
    - la première section de bande (22) dans la direction d'alimentation (11) est orientée en oblique vers le bas dans la direction d'alimentation (11) et la deuxième ou la dernière section de bande (23) est orientée en oblique vers le bas à l'inverse de la direction d'alimentation (11),
    - dans lequel l'autre bande de distribution (7) présente à la déviation de bande (12) deux sections de bande droites ou plus (24, 25) avec des orientations différentes,
    - dans lequel les premières ou supérieures sections de bande droites (22, 24) des deux bandes de distribution (6, 7) présentent des orientations différentes et progressent en oblique l'une vers l'autre,
    - et les deuxièmes ou dernières sections de bande droites (23, 25) des deux bandes de distribution (6, 7) sont très proches et ont essentiellement la même orientation.
EP13742410.7A 2012-07-13 2013-07-12 Distributeur de voile Active EP2872682B1 (fr)

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DE202019105883U1 (de) * 2019-10-23 2021-01-26 Autefa Solutions Germany Gmbh Vliesleger und Abschirmeinrichtung

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WO2014009520A1 (fr) 2014-01-16
CN104583477B (zh) 2017-03-15
US20150176159A1 (en) 2015-06-25
EP3447175B1 (fr) 2020-11-18
CN104583477A (zh) 2015-04-29
DE202012102597U1 (de) 2013-10-14
EP2872682A1 (fr) 2015-05-20
EP3447175A1 (fr) 2019-02-27
US9909236B2 (en) 2018-03-06

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