EP3268517B1 - Vliesleger insbesondere kreuzleger zum umfalten, ablegen und weiterleiten eines zugeführten faserflors, methode dafür - Google Patents

Vliesleger insbesondere kreuzleger zum umfalten, ablegen und weiterleiten eines zugeführten faserflors, methode dafür Download PDF

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Publication number
EP3268517B1
EP3268517B1 EP15738990.9A EP15738990A EP3268517B1 EP 3268517 B1 EP3268517 B1 EP 3268517B1 EP 15738990 A EP15738990 A EP 15738990A EP 3268517 B1 EP3268517 B1 EP 3268517B1
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EP
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Prior art keywords
conveyor belt
fibres
flow
textile fibres
textile
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EP15738990.9A
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English (en)
French (fr)
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EP3268517A1 (de
Inventor
Roberto PARLAMENTO
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Nuova Cosmatex Srl
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Nuova Cosmatex Srl
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Publication of EP3268517A1 publication Critical patent/EP3268517A1/de
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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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/40—Feeding apparatus
    • D01G15/42—Feeding from laps

Definitions

  • the present invention relates to a device for overlapping, crossing and transferring textile fibres, as well as to a related process.
  • the invention also relates to an innovative carding set and an innovative carding method.
  • This process turns out to be useful, for example, for preparing a high-quality layer to be subjected to further processing steps in the textile industry.
  • WO 02/059405 A2 discloses an apparatus for producing layers from rock fibers and similar insulating materials consisting of a conveyor of the collection chamber, a receiving conveyor, at least two pairs of vertical oscillating belts, at least one feeding conveyor, and at least one deposit conveyor.
  • the fibers are transported by the conveyor to the receiving conveyor, which then carries them into nip formed by the first pair of vertical oscillating belts, which in turn, deposit the fibers in a zigzag onto the first feeding conveyor, from where they pass between the second pair of vertical oscillating belts, which deposit them in a zigzag onto the first deposit conveyor, wherein the zigzag deposition may be repeated so that the layer of fibers entering the hardening chamber consists of two or more transversally deposited layers, laid at an angle of 90 DEG relative to each other.
  • one of the advantages of the present invention is the possibility of obtaining a high-quality layer of overlapped and crossed fibres, while ensuring high productivity. Constant thickness and density can also be ensured throughout the obtained fibre mattress.
  • the device of the invention comprises:
  • Setting-out device 10 essentially carries out a folding operation, and is also called “translating folding cart” or “folding element”.
  • the second conveyor belt T2 is adapted to move the textile fibres along a direction y, belonging to a plane perpendicular to said direction x, in a forward-backward reciprocating motion, wherein, in the total motion, the forward component is much greater than the backward component, for the purpose of producing a flow, in particular a continuous flow, of overlapped textile fibres.
  • a final transportation system is also comprised for carrying away the flow of textile fibres previously overlapped and crossed. It must be pointed out that the flow of fibres exiting the device of the invention is formed by fibres that have been overlapped and crossed by means of the present device. In other words, the output flow of fibres forms a "mattress" of fibres that have been previously overlapped and crossed.
  • the device in particular the final transportation system, includes:
  • Figure 1 shows some straight arrows indicating the direction along which the respective component or a part thereof moves.
  • directions x and y are mutually orthogonal when viewed from above.
  • Conveyor belt T1 shown in Figure 1 receives the thin input layer of fibres and transports them along a line of action which is parallel to direction x, in particular towards the right-hand part of the figure.
  • Said conveyor belt T1 comprises a rolling surface 14 supported by at least one pair of rollers 16 capable of rotating.
  • rollers 16 are a drive roller and the other one is a driven roller.
  • both rollers 16 are drive rollers.
  • conveyor belt T1, as well as the second conveyor belt T2 and final conveyor belt T4 can be implemented by including elements which are per se known, such as intermediate support rollers, or support surfaces, ensuring a sufficiently straight transportation surface, etc.
  • Rolling surface 14 of conveyor belt T1 is conveniently a substantially continuous surface, e.g. a band-like surface.
  • said rolling surface 14 comprises a succession of mutually constrained links or plates forming a rolling surface capable of supporting and transporting the fibres; in other words, rolling surface 14 may be similar to a track or a tapis distr.
  • conveyor belts T2 and T4 are conveniently a substantially continuous surface, e.g. a band-like surface.
  • Setting-out device 10 receives the fibres from the first conveyor belt T1 and, as it moves, it arranges the fibres along the line of action x. In particular, setting-out device 10 translates in a reciprocating motion along said direction x.
  • setting-out device 10 comprises a pair of rotary cylinders (designated by number 10) susceptible of rotating about respective axes of rotation perpendicular to direction x, and susceptible of translating in a reciprocating motion parallel to said direction x.
  • the flow of fibres must pass through said rotary cylinders 10.
  • Rotary cylinders 10 translate simultaneously in a reciprocating motion along direction x; in other words, they translate as a pair (in the illustrated example they translate to the right and to the left).
  • the reciprocating motion of setting-out device 10 causes the input textile fibres to overlap, thus overlapping multiple folds of the layer of fibres on the second conveyor belt T2.
  • letter F designates a flow of fibres coming from the first conveyor belt T1 and directed towards rotary cylinders 10.
  • the second conveyor belt T2 comprises rolling surface 12, which moves in a forward-backward reciprocating motion (along direction y), wherein, in the total motion, the forward component is much greater than the backward component, for the purpose of producing a flow of overlapped textile fibres at the exit of conveyor belt T2.
  • rolling surface 12 rotates alternately forwards and backwards.
  • the forward motion of the part of rolling surface 12 that is in contact with the fibres is greater than the backward motion of the same part of rolling surface 12.
  • rolling band 12 goes forwards by 10 cm and then backwards by 9 cm; the result is a 1cm advance at every forward-backward cycle of the reciprocating motion of the second conveyor belt T2.
  • the part of rolling surface 12 which is in contact with the fibres is the upper one, since the fibres come from setting-out device 10, which is arranged on top of the second conveyor belt T2.
  • the second conveyor belt T2 moves such fibres in a forward-backward reciprocating motion perpendicular to x (i.e. along y). In this way, the fibres are overlapped and crossed. Conveniently, the fibres are overlapped and crossed according to a variable-angle diagonal, depending on the travel and speed of conveyor belt T2.
  • One advantage offered by the invention is the possibility of working continuously, receiving an input flow of fibres and producing a continuous output flow of overlapped and crossed fibres.
  • the output flow of fibres can be controlled by the taker-in cylinders of any machine located downstream of the whole device described herein.
  • direction x is horizontal.
  • rolling surface 12 of the second conveyor belt T2 is prevalently arranged in a horizontal plane; in other words, the second conveyor belt T2 is horizontal.
  • rolling surface 14 of the first conveyor belt T1 is prevalently arranged in a horizontal plane; in other words, the second conveyor belt T1 is horizontal.
  • the final conveyor belt T4 is horizontal.
  • the final conveyor belt T4 carries the fibres along a line of action parallel to said line of action x. In this manner, the direction of the flow of textile fibres, previously overlapped and crossed to form a substantially homogeneous mattress, exiting from T4 is substantially parallel to the direction of the flow of fibres moving on T1.
  • rolling surface 12 of said second conveyor belt T2 comprises a plurality of apertures; and the device comprises suction means capable of sucking air through at least a part of said plurality of apertures.
  • Such apertures may be, for example, holes or slots on rolling surface 12.
  • the apertures may consist of the interstices between such links or plates.
  • the suction means suck air from the outer surface of rolling surface 12 (i.e. the one intended to come in contact with the textile fibres) towards the inner one, in order to keep the layer of textile fibres in adherence to rolling surface 12, in particular to the outer surface thereof. This minimizes the risk that the fibres might slide on surface 12, thus avoiding the resulting adverse effects on the production of overlapped fibres.
  • the suction means comprise one or more suction mouths arranged in the inner part of the rolling surface, and located in proximity to said apertures, for the purpose of creating said aerodynamic sucking effect.
  • the suction mouths are only directed towards that part of rolling surface 12 which is intended to come in contact with the fibres, i.e. the part facing upwards.
  • the first conveyor belt T1 is arranged at the top.
  • the second conveyor belt T2 is arranged under the first conveyor belt T1.
  • Overturning unit T3 is arranged under the second conveyor belt T2.
  • Final conveyor belt T4 is arranged under overturning unit T3.
  • overturning unit T3 includes a third rolling transportation surface, capable of transporting the flow of overlapped and crossed fibres along a direction y1 belonging to a plane perpendicular to said direction x, and having an oblique end side 20, inclined by approx. 45° relative to said direction y1, on which said rolling surface slides. Therefore, the third rolling transportation surface (in particular, when viewed from above) is essentially shaped like a rectangular trapezoid, the oblique side 20 being the inclined side thereof.
  • the third rolling transportation surface of overturning unit T3 is prevalently arranged in a horizontal plane; in other words, the third rolling transportation surface is horizontal.
  • the upper part of the third rolling surface is intended to receive the overlapped and crossed textile fibres from the second conveyor belt T2.
  • the third rolling surface comprises:
  • Pulleys p1, pn are aligned to form oblique side 20. Therefore, drive cylinder 22 is the height of said rectangular trapezoid. Therefore, oblique side 20 is inclined relative to drive cylinder 22, in particular by 45°.
  • Belt 24 is tightened between drive cylinder 22 and pulleys p1, pn.
  • belt 24 moves, when it is in the upper part of the third rolling surface, in the direction indicated by the arrow y1, i.e. from drive cylinder 22 towards the first pulley p1.
  • belt 24 returns towards drive cylinder 22, running along the lower part of the third rolling surface.
  • belt 24 returns towards the second pulley p2, and so on until the last pulley pn.
  • Belt 24 exiting the last pulley pn returns, through suitable transmission means, to the initial end of drive cylinder 22 to restart its cycle, i.e. to run towards the first pulley p1.
  • said transmission means include a plurality of idle pulleys (in particular three pulleys, designated r1, r2, r3).
  • the outer surface of drive cylinder 22 comprises a plurality of grooves.
  • belt 24 slides in a guided manner, so that belt 24 will stay in the predetermined positions throughout the length of drive cylinder 22.
  • the third rolling transportation surface of overturning unit T3 comprises a plurality of belts, wherein each belt is adapted to move in a rolling motion between drive cylinder 22 and a respective idle pulley belonging to said plurality of idle pulleys p1, p2, ..., pn.
  • the outer surface of drive cylinder 22 comprises a plurality of grooves, wherein a respective belt is adapted to run in each groove.
  • the fibres After the fibres have been overlapped and crossed on the second conveyor belt T2 (thus forming a sort of mattress), they fall onto the third rolling transportation surface of overturning unit T3, in the proximity of drive cylinder 22; then they are carried towards oblique side 20. At this point, the fibres will fall, on the oblique side 20, onto the final conveyor belt T4. Oblique side 20 allows the fibres that are moving along y1 on the third rolling transportation surface to be overturned and placed onto the final conveyor belt T4, which moves parallel to x. In practice, thanks to said oblique side 20, the fibres are overturned by substantially 90°, in that direction y1 is substantially perpendicular, when viewed from above, to direction x.
  • the device comprises motor means adapted to impart a drive force to at least one of: the first conveyor belt T1, setting-out device 10, the second conveyor belt T2, overturning unit T3, final conveyor belt T4.
  • motor means adapted to impart a drive force to at least one of: the first conveyor belt T1, setting-out device 10, the second conveyor belt T2, overturning unit T3, final conveyor belt T4.
  • the device comprises a control unit for controlling and coordinating at least the operation of said first conveyor belt T1, said setting-out device 10, said second conveyor belt T2, according to criteria that may be predefined or selected by a user.
  • the control unit also coordinates the operation of overturning unit T3 and of final conveyor belt T4.
  • the control unit coordinates the operation of the motor means.
  • the user can modify at will some operating settings, including, for example, the transportation speed of T1, T2, and conveniently also of T3 and T4, the translation speed (and possibly also the rotation of rotary cylinders 10) of setting-out device 10.
  • running speed of T2 is equal to the transportation speed of T1 divided by the desired number of overlaps.
  • transportation speed of T1 equal to 60 metres/minute
  • desired number of overlaps equal to 40
  • many other parameters can also be set, depending on various factors, such as required productivity, type of treated fibres (e.g. wool, cotton, synthetic, artificial, metallic, aramidic, etc.), required number of overlaps, average travel of T2, etc.
  • the present invention also relates to a carding set comprising:
  • the carding set prevalently extends longitudinally, parallel to the axis x, and comprises overturning unit T3 and final conveyor belt T4.
  • step d includes the step of: e. overturning the flow of overlapped and crossed textile fibres and laying them on a transportation means capable of transporting them parallel to said direction x.
  • step c includes the step of: f. sucking air through at least a part of a plurality of apertures provided on said conveyor belt T2, for keeping the layer of textile fibres in adherence to said conveyor belt T2.
  • this innovative carding process can be carried out on fibres such as: wool, cotton, synthetic, artificial, metallic, aramidic, etc.

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

Claims (13)

  1. Vorrichtung zum Überlappen, Kreuzen und Überführen von Textilfasern, umfassend:
    - ein erstes Förderband (T 1) zum Transportieren einer Eingangsschicht von Textilfasern;
    - eine Ablegevorrichtung (10) zum Aufnehmen der Textilfasern von dem ersten Förderband (T1) und zum Ablegen auf einem zweiten Förderband (T2), wobei die Ablegevorrichtung (10) zum Bewegen in einer Wechselbewegung entlang einer ersten Richtung (x) eingerichtet ist;
    wobei das zweite Förderband (T2) angepasst ist, um die Textilfasern entlang einer zweiten Richtung (y), die zu einer Ebene senkrecht zu der ersten Richtung (x) gehört, in einer Vorwärtsbewegung zu bewegen, um einen Fluss von überlappenden und gekreuzten Textilfasern zu erzeugen;
    - ein abschließendes Transportsystem zum Abtransportieren des Flusses von zuvor überlappten und gekreuzten Textilfasern; dadurch gekennzeichnet, dass das zweite Förderband (T2) so eingerichtet ist, dass es eine vorwärts-rückwärts gerichtete Wechselbewegung ausführt, wobei in der Gesamtbewegung der vorwärts-rückwärts gerichteten Wechselbewegung die Vorwärtskomponente viel größer als die Rückwärtskomponente ist.
  2. Vorrichtung nach Anspruch 1, wobei das Endtransportsystem umfasst:
    - ein Endtransportband zur Aufnahme und
    zum Transport des Stroms von Textilfasern, die zuvor überlappt und gekreuzt wurden, parallel zu der ersten Richtung (x);
    - eine Umwendeeinheit (T3), die in der Lage ist, den Fluss von Textilfasern, der aus dem zweiten Förderband (T2) austritt, aufzunehmen und geeignet ist, sie umzuwenden, um sie auf das letzte Förderband (T4) zu legen.
  3. Vorrichtung nach Anspruch 1 oder 2, wobei eine Rollfläche (12) des zweiten Förderbandes (T2) eine Vielzahl von Öffnungen umfasst; und wobei die Vorrichtung zum Überlappen, Kreuzen und Überführen von Textilfasern ferner eine Saugeinrichtung umfasst, die in der Lage ist, Luft durch mindestens einen Teil der Vielzahl von Öffnungen anzusaugen.
  4. Vorrichtung nach Anspruch 2 oder 3,
    wobei das erste Förderband (T1) an der Oberseite angeordnet ist;
    das zweite Förderband (T2) unterhalb des ersten Förderbandes (T1) angeordnet ist;
    die Umwendeeinheit (T3) unter dem zweiten Förderband (T2) angeordnet ist;
    das letzte Förderbandunter der Umwendeeinheit (T3) angeordnet ist.
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, wobei die Umwendeeinheit (T3) eine dritte rollende Transportfläche aufweist, die in der Lage ist, den Fluss der Fasern entlang einer dritten Richtung (y1) zu transportieren, die zu einer Ebene senkrecht zu der ersten Richtung (x) gehört, und die eine schräge Endseite (20) aufweist, die um 45° relativ zu der dritten Richtung geneigt ist und auf der die dritte rollende Transportfläche gleitet.
  6. Vorrichtung nach Anspruch 5, wobei die dritte Rollfläche umfasst:
    - einen Antriebszylinder (22);
    - eine Vielzahl von Umlenkrollen (p1, p2, pn), die die schräge Stirnseite (20) bilden;
    - einen Riemen (24), der beweglich mit dem Antriebszylinder (22) und der Vielzahl von Umlenkrollen (p1, p2, pn) verbunden ist, wobei der Riemen (24) zumindest teilweise die dritte rollende Transportfläche bildet.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Ablegevorrichtung (10) ein Paar Drehzylinder umfasst, die so eingerichtet sind, dass sie sich um jeweilige Drehachsen parallel zu der zweiten Richtung (y) drehen, und so eingerichtet sind, dass sie sich in einer Wechselbewegung entlang der ersten Richtung (x) bewegen;
    wobei der Fluss der Fasern dazu vorgesehen ist, zwischen den Drehzylindern zu verlaufen.
  8. Vorrichtung nach einem der Ansprüche 2 bis 7, umfassend eine Steuereinheit zum Steuern und Koordinieren zumindest des Betriebs des ersten Förderbands (T1), der Ablegevorrichtung (10), des zweiten Förderbands (T2) nach Kriterien, die vordefiniert oder von einem Benutzer ausgewählt sind.
  9. Kardieranordnung umfassend:
    eine Überlappungs-, Kreuzungs- und Überführvorrichtung für Textilfasern nach einem der Ansprüche 1 bis 8;
    eine erste Kardiermaschine, die in Bezug auf den Strom von Textilfasern flussaufwärts von dieser Vorrichtung angeordnet ist;
    eine zweite Kardiermaschine, die in Bezug auf den Strom von Textilfasern flussabwärts von dieser Vorrichtung angeordnet ist.
  10. Verfahren zum Überlappen von Textilfasern, umfassend die Schritte:
    - Erzeugen eines Eingangsflusses von Textilfasern;
    - Aufnehmen und Überlappen des Flusses von Fasern auf einem Förderband (T2) durch Bewegen des Flusses von Fasern entlang einer ersten Richtung (x) in einer Wechselbewegung mittels einer Ablegevorrichtung (10);
    - Bewegen des Flusses von Fasern mittels des Förderbandes (T2) entlang einer zweiten Richtung (y), die zu einer Ebene senkrecht zu der ersten Richtung (x) gehört, in einer vorwärts-rückwärts Wechselbewegung, wobei in der Gesamtbewegung die Vorwärtskomponente viel größer als die Rückwärtskomponente ist, zum Zweck der Erzeugung eines Flusses von überlappten und gekreuzten Textilfasern;
    - Erzeugen eines Ausgangsflusses von Textilfasern.
  11. Verfahren nach Anspruch 10, wobei der Schritt des Erzeugens eines Ausgangsflusses von Textilfasern den Schritt umfasst:
    - Umwenden des Flusses von überlappten Textilfasern und Ablegen auf ein Transportmittel, das in der Lage ist, sie parallel zu der ersten Richtung (x) zu transportieren.
  12. Verfahren nach Anspruch 10 oder 11, wobei der Schritt des Bewegens des Flusses von Fasern den Schritt umfasst:
    - Ansaugen von Luft durch mindestens einen Teil einer Vielzahl von Öffnungen, die auf dem Förderband (T2) vorgesehen sind, um die Lage von Textilfasern in Anhaftung an dem Förderband (T2) zu halten.
  13. Verfahren zum Kardieren von Textilfasern, umfassend die Schritte:
    - Durchführen eines ersten Kardierens;
    - Durchführen eines Verfahrens zum Überlappen von Textilfasern nach einem der Ansprüche 10 bis 12;
    - Durchführen eines zweiten Kardierens.
EP15738990.9A 2015-03-09 2015-06-10 Vliesleger insbesondere kreuzleger zum umfalten, ablegen und weiterleiten eines zugeführten faserflors, methode dafür Active EP3268517B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20150158 2015-03-09
PCT/IB2015/054379 WO2016189360A1 (en) 2015-03-09 2015-06-10 Device for overlapping, crossing, and transferring textile fibres, and method thereof

Publications (2)

Publication Number Publication Date
EP3268517A1 EP3268517A1 (de) 2018-01-17
EP3268517B1 true EP3268517B1 (de) 2021-08-04

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EP (1) EP3268517B1 (de)
ES (1) ES2893400T3 (de)
WO (1) WO2016189360A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900004175A1 (it) 2019-03-22 2020-09-22 Ratti S P A Procedimento per la realizzazione di un prodotto tessile per imbottitura

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673757A (en) * 1971-01-04 1972-07-04 Arnold L Willis Method of making pillows
IT1184011B (it) * 1985-12-11 1987-10-22 Fonderie Officine Riunite Ing Dispositivo per la produzione di veli sovrapposti di tessuto non tessuto con fibre disposte longitudinalmente particolarmante per l alimentazione di una trapuntatrice ad aghi
SI20812B (sl) * 2001-01-26 2009-10-31 TERMO, d.d., Industrija termičnih izolacij, Škofja Loka Naprava in postopek za tvorbo plasti iz kamenih vlaken in podobnih izolacijskih vlaknastih materialov

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WO2016189360A1 (en) 2016-12-01
ES2893400T3 (es) 2022-02-09

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