EP2554726B1 - Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage - Google Patents

Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage Download PDF

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Publication number
EP2554726B1
EP2554726B1 EP12176932.7A EP12176932A EP2554726B1 EP 2554726 B1 EP2554726 B1 EP 2554726B1 EP 12176932 A EP12176932 A EP 12176932A EP 2554726 B1 EP2554726 B1 EP 2554726B1
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EP
European Patent Office
Prior art keywords
roller
opener
fibre
flows
opener according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12176932.7A
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German (de)
English (en)
Other versions
EP2554726A2 (fr
EP2554726A3 (fr
Inventor
Mario Mascheretti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marzoli Machines Textile SRL
Original Assignee
Marzoli Machines Textile SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marzoli Machines Textile SRL filed Critical Marzoli Machines Textile SRL
Priority to EP12189700.3A priority Critical patent/EP2557208B1/fr
Publication of EP2554726A2 publication Critical patent/EP2554726A2/fr
Publication of EP2554726A3 publication Critical patent/EP2554726A3/fr
Application granted granted Critical
Publication of EP2554726B1 publication Critical patent/EP2554726B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/04—Opening or cleaning fibres, e.g. scutching cotton by means of beater arms

Definitions

  • the present invention relates to an opener for processing fibre in tufts on a carding preparation line.
  • the treatments are performed on different machines, in that, to obtain best results, they need to be repeated a number of times in an increasingly thorough manner.
  • the fibres are picked from bales by a picker, so as to obtain tufts transported by currents of air.
  • the fibre in tufts is subsequently processed in a device for removing impurities, such as stones or nonferrous materials mixed with the tufts, before passing to an opener, where the tufts undergo a first opening of the fibres and a first separation from the impurities.
  • impurities such as stones or nonferrous materials mixed with the tufts
  • the fibres undergo further cleaning, alignment and drawing operations in openers and carding machines to obtain the fibre web.
  • One embodiment is the opener B39N "Duocleaner” manufactured and marketed by the Applicant, illustrated in the brochure “Nova - Blowroom Machinery”.
  • the purpose of the present invention is to make an opener for fibre in tufts on a carding preparation line able to satisfy the above requirements, and in particular to process large quantities of fibre while maintaining high quality and homogeneous characteristics of the processed tufts.
  • Such purpose is achieved by an opener made according to claim 1 and a method according to claim 16.
  • reference numeral 1 globally denotes an assembly for processing fibres in tufts, constituting a section of a fibre processing line, and in particular a section of a carding preparation line.
  • the assembly 1 comprises a feed pipe 2 for the transport of the fibre F to be processed, for example coming from a picker.
  • the pipe 2 positioned at a predefined height from the ground plane T, extends along a substantially rectilinear feed axis A preferably parallel to the ground plane T.
  • the assembly 1 further comprises a feed device 4 suitable for separating the dusty air from the fibre and, preferably for feeding the fibre in tufts downstream.
  • the feed device 4 is suitable for deviating the fibre in a feed direction downstream V, for example vertical and perpendicular to the ground plane T (and therefore preferably, perpendicular to the feed axis A).
  • the assembly 1 comprises a separator device 6, positioned downstream of the feed device 4, suitable for separating the fibre flow F coming out of the feed device 4 into a plurality of separate fibre flows, for example into two fibre flows (F1, F2).
  • a separator device 6 positioned downstream of the feed device 4, suitable for separating the fibre flow F coming out of the feed device 4 into a plurality of separate fibre flows, for example into two fibre flows (F1, F2).
  • the separator device 6 comprises a separation pipe 8 which the fibre traverses, for example of a shape converging in the direction of advancement of the fibre, and a separator element 10 suitable for separating the fibre F into flows F1, F2.
  • the separator element 10 is a wall fitted with a separator edge 12 struck by the fibre flow F, housed in the separation pipe 8.
  • the separator element 10 comprises a separation wall 14 which extends downstream of the separator edge 12 to keep the fibre flows separate.
  • the separator device 6 comprises blower means 20, for example comprising a fan, suitable for blowing a flow of air in the direction of the separator element 10, to facilitate the separation of the fibre flows F1, F2.
  • blower means 20 for example comprising a fan, suitable for blowing a flow of air in the direction of the separator element 10, to facilitate the separation of the fibre flows F1, F2.
  • the assembly 1 comprises an opener device 30 positioned downstream of the feed device 4, or of the separator device 6,fed with the fibre flows, preferably with the two separated fibre flows F1, F2.
  • the opener device 30 has a first compartment 31, for example single, and a first opener roller 32, housed in said first compartment; the first opener roller 32 is motorised and rotatable around a first transversal rotation axis X', that is orthogonal to the feed axis A and the vertical axis V.
  • the first roller 32 extends between a first end 32' and a second end 32".
  • the separator device 6 is suitable for transversally separating the fibre flow F into flows F1, F2.
  • the separation wall 14 extends as far as to lap the outer surface of the first opener roller 32, dividing said roller into portions placed side by side along the rotation axis X' of the first opener roller, joined in rotation, separated, for example imaginarily, by an imaginary first separation line I'.
  • the first opener roller 32 is divided into a first portion 32a and a second portion 32b alongside each other along the rotation axis X'.
  • the first roller 32 is provided with opening means distributed on its outer surface, suitable for entangling the tufts to open them when pulled.
  • the first portion 32a is fitted with a plurality of pegs 34a, projecting from the outer surface of the first portion 32a of the roller 32, in a rectilinear, broken or ramified direction to have multiple tips.
  • the pegs 34a are positioned along an imaginary helical line traced on the outer surface of the roller, from the first separation line I' identified by the separation wall 14 towards the first transversal end 32', according to a first winding angle.
  • the second portion 32b is fitted with a plurality of pegs 34b, projecting from the outer surface of the second portion 32b of the roller 32, in a rectilinear, broken or ramified direction to have multiple tips.
  • the pegs 34b are positioned along an imaginary helical line traced on the outer surface of the roller, from the first separation line I' identified by the separation wall 14 towards the second end 32', according to a second winding angle.
  • the two winding angles are equal and opposite.
  • the helical lines are symmetrical in relation to the first separation line I'.
  • the opener device 30 comprises at least one partition 40 (or a plurality of transversally separate partitions placed side by side) for each portion 32a, 32b of the first roller 32.
  • the partition 40 is fixed in relation to the rotation of the first roller 32 and encompasses at least partially the outer surface, preferably lapping it without interference.
  • the partitions 40 form centrifugal conduits 42 around the roller, from the centre towards the ends 32', 32", preferably having a helical direction, along the outer surface of the roller, at least partially encompassing it.
  • said conduits are positioned on the upper half of the first roller.
  • the fibre in tufts is therefore forced to move in the conduits, transversally from the centre towards the ends 32', 32" of the roller, dragged by the negative pressure air flow and by the pegs, which move in said conduits.
  • the opener device 30 also envisages a second compartment 51, beside the first compartment 31 along the feed axis A, and a second opener roller 52, housed in said second compartment; the second opener roller 52 is motorised and rotatable around a second transversal rotation axis X", that is orthogonal to the feed axis A and the vertical axis V, parallel to the first rotation axis X'.
  • first roller 32 and the second roller 52 can be driven in rotation at different rotation speeds.
  • the second roller 52 extends between a first end 52' and a second end 52".
  • the opener device 30 comprise a second separation wall 14" which extends as far as to lap the outer surface of the second opener roller 52, dividing said roller into portions placed side by side along the rotation axis X", joined in rotation, separated, for example imaginarily, by an imaginary second separation line I".
  • the second opener roller 52 is divided into a first portion 52a and a second portion 52b alongside each other along the rotation axis X".
  • the second roller 52 is also provided with opener means distributed on the outer surface, and in particular with a plurality of pegs 54a, 54b positioned along imaginary helical lines.
  • the opener device 30 comprises at least one partition 60 (or a plurality of transversally separate partitions placed side by side) for each portion 52a, 52b of the roller 52, which form centripetal conduits 72, that is axially converging from the ends 52', 52", towards the centre of the second roller, preferably having a helical direction, along the outer surface of the roller, at least partially encompassing it.
  • said conduits are positioned on the upper half of the second roller.
  • the fibre in tufts enters the second compartment 51 through the entrances 62', 62", divided into two flows F1, F2, and is forced to move in the centripetal conduits, moving axially towards the centre of the second roller 52.
  • the second compartment 51 further envisages an exit 80', 80" for each portion 52a, 52b, placed axially inside the respective entrances 62', 62", for example at the second separation line I", in communication with an exit mouth 82.
  • the two fibre flows F1, F2 come out of the opener device separately, and according to a preferred embodiment are merged into a single flow of processed fibre F'.
  • the opener device 30 comprises, associated with each roller 32, 52, a fixed grid 90, fitted with mobile bars, positioned around the respective opener roller 32, 52, preferably in the area under the roller, suitable for removing husks and dirt from the fibre transported in rotation.
  • the assembly according to the present invention makes it possible to achieve high quality of the processed fibre, higher than the level which can be achieved processing a single fibre flow, and at the same time to reduce the space occupied compared to the use of separate machines.
  • the two fibre flows F1, F2 are merged at the exit of the second roller, so as to come out of the opener device in a single flow of processed fibre.
  • the assembly envisages feeding by means of two or more feed ducts; in such variant, the fibre flows are therefore already separate.
  • the entrance of the separated fibre flows to the first opener roller takes place at the ends and the flows proceed on said roller axially towards the centre thereof, while the entrance of the separated fibre flows to the second opener roller takes place at an intermediate position and the flows proceed on said roller axially towards the ends.

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

Claims (16)

  1. Dispositif d'ouverture pour des fibres dans des touffes sur une ligne de préparation de cardage, comprenant un dispositif d'ouverture (30) comprenant :
    - un premier compartiment (31) et un premier rouleau de dispositif d'ouverture (32), qui est logé dans ledit premier compartiment, rotatif autour d'un premier axe de rotation transversal (X'), dans lequel le premier rouleau (32) s'étend le long dudit axe entre une première extrémité (32') et une deuxième extrémité (32") et présente une pluralité de parties (32a, 32b) placées côte à côte et jointes en rotation ;
    - un deuxième compartiment (51) et un deuxième rouleau de dispositif d'ouverture (52), qui est logé dans ledit deuxième compartiment, rotatif autour d'un deuxième axe de rotation (X"), situé à côté du premier axe de rotation (X'), dans lequel le deuxième rouleau (52) s'étend le long dudit axe entre une première extrémité (62') et une deuxième extrémité (62") ;
    caractérisé en ce que le premier rouleau de dispositif d'ouverture (32) est alimenté par une pluralité de flux de fibres transversalement séparés (F1, F2), un sur chaque partie (32a, 32b).
  2. Dispositif d'ouverture selon la revendication 1, dans lequel le premier rouleau de dispositif d'ouverture (32) est alimenté à travers une entrée qui est positionnée ente lesdites extrémités (32', 32").
  3. Dispositif d'ouverture selon la revendication 2, dans lequel l'entrée est positionnée sur l'axe médian du premier rouleau (32).
  4. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, dans lequel le deuxième rouleau de dispositif d'ouverture (52) est alimenté par une pluralité de flux de fibres (F1, F2), à travers des entrées (62', 62") qui sont positionnées aux extrémités (52', 52") du deuxième rouleau (52).
  5. Dispositif d'ouverture selon la revendication 4, dans lequel le deuxième compartiment (52) comporte des sorties (80', 80") pour chaque flux de fibres (F1, F2) qui sont positionnées dans une position intermédiaire entre les extrémités (52', 52") du deuxième rouleau (52).
  6. Dispositif d'ouverture selon la revendication 4 ou 5, dans lequel les entrées sont formées, de préférence au moins partiellement, dans l'extension axiale du premier rouleau (32).
  7. Dispositif d'ouverture selon la revendication 4 ou 5 ou 6, dans lequel les entrées (62', 62") sont formées, de préférence au moins partiellement, dans l'extension axiale du deuxième rouleau (52).
  8. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, comprenant au moins une première cloison (40) pour chaque partie (32a, 32b) du premier rouleau (32), qui est fixée par rapport à celui-ci, et qui forme, de concert avec la surface extérieure du rouleau (32), un conduit centrifuge (42) qui s'enroule autour du rouleau (32) à partir du centre en direction de ses extrémités (32', 32"), de préférence en formant un motif hélicoïdal.
  9. Dispositif d'ouverture selon la revendication 8 et 5, dans lequel lesdits conduits (42) se terminent dans lesdites entrées (62', 62").
  10. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, comprenant au moins une deuxième cloison (60) pour chaque partie (52a, 52b) du deuxième rouleau (52), qui est fixée par rapport à celui-ci, et qui forme, de concert avec la surface extérieure du rouleau (52), un conduit centripète (62) qui s'enroule autour du rouleau (52) à partir des extrémités (52', 52") du rouleau en direction du centre, de préférence en formant un motif hélicoïdal.
  11. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, comprenant un dispositif de séparateur (6) qui est approprié pour séparer le flux de fibres individuel (F) de la pluralité de flux de fibres transversalement séparés (F1, F2), en amont du premier rouleau (32).
  12. Dispositif d'ouverture selon la revendication 11, dans lequel le dispositif de séparateur comprend un élément de séparateur (10) comprenant une paroi comportant un bord de séparateur (12) et une paroi de séparation (14) qui s'étend en aval du bord de séparateur (12) afin de maintenir les flux de fibres séparés.
  13. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, dans lequel le premier rouleau de dispositif d'ouverture (32) et le deuxième rouleau de dispositif d'ouverture (52) sont pourvus sur la surface d'une pluralité de picots (34a, 34b; 54a, 54b).
  14. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, comprenant une grille fixe (90) qui est positionnée autour du rouleau de dispositif d'ouverture respectif (32, 52), de préférence dans la région située en dessous du rouleau, et qui est appropriée pour éliminer les fragments et la saleté de la fibre transportée en rotation.
  15. Dispositif d'ouverture selon l'une quelconque des revendications précédentes, dans lequel le premier rouleau de dispositif d'ouverture (32) et le deuxième rouleau de dispositif d'ouverture (52) peuvent être mis en rotation à des vitesses de rotation différentes.
  16. Procédé de traitement de fibres dans des touffes sur une ligne de préparation de cardage, comprenant les étapes suivantes :
    - séparer un flux de fibres individuel (F) en deux flux de fibres séparés (F1, F2) ;
    - amener les deux flux de fibres (F1, F2), sur un seul rouleau de dispositif d'ouverture (32), dans une position intermédiaire entre les extrémités (32', 32") du rouleau (32) ;
    - faire avancer les flux de fibres (F1, F2) sur le rouleau de dispositif d'ouverture (32) à partir du centre en direction des extrémités (32', 32") afin d'exécuter un traitement sur lesdites fibres ;
    - amener les deux flux de fibres (F1, F2), sur un deuxième rouleau de dispositif d'ouverture (52) à travers des entrées (62', 62") ; et
    - faire avancer les flux de fibres (F1, F2) sur le deuxième rouleau de dispositif d'ouverture (52) à partir des entrées (62', 62") en direction du centre afin d'exécuter un traitement supplémentaire sur lesdites fibres.
EP12176932.7A 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage Active EP2554726B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12189700.3A EP2557208B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000114A ITBS20110114A1 (it) 2011-08-05 2011-08-05 Apritoio per fibra in fiocchi di una linea di preparazione alla cardatura

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP12189700.3A Division EP2557208B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage
EP12189700.3A Division-Into EP2557208B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage
EP12189700.3 Division-Into 2012-10-24

Publications (3)

Publication Number Publication Date
EP2554726A2 EP2554726A2 (fr) 2013-02-06
EP2554726A3 EP2554726A3 (fr) 2013-03-27
EP2554726B1 true EP2554726B1 (fr) 2014-09-17

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EP12189700.3A Active EP2557208B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage
EP12176932.7A Active EP2554726B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage

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Application Number Title Priority Date Filing Date
EP12189700.3A Active EP2557208B1 (fr) 2011-08-05 2012-07-18 Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage

Country Status (4)

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EP (2) EP2557208B1 (fr)
CN (1) CN102912479B (fr)
BR (1) BR102012019398B1 (fr)
IT (1) ITBS20110114A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020134592A1 (de) 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Verfahren zum Betreiben einer Vorrichtung an oder in einer Textilmaschine und damit betriebene Textilmaschine
DE102020134589A1 (de) 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Spinnereivorbereitungsmaschine

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CH713995A2 (de) * 2017-07-17 2019-01-31 Rieter Ag Maschf Reinigungsvorrichtung.
CN110055627B (zh) * 2019-03-25 2021-07-09 丹阳市永泰纺织有限公司 一种用于棉条开松的新型开松机
CN110042511A (zh) * 2019-05-31 2019-07-23 河南七彩虹农业科技股份有限公司 一种可调间隙的棉花开棉机
CN110184688A (zh) * 2019-05-31 2019-08-30 河南七彩虹农业科技股份有限公司 一种防堵塞的棉花开棉机
DE102020134590A1 (de) * 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Abfallabführung an einer Textilmaschine mit mehreren Öffnungswalzen, damit ausgestattete Textilmaschine und Anlage
DE202020107466U1 (de) 2020-12-22 2022-03-25 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an oder in einer Textilmaschine und damit ausgestattete Textilmaschine

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Publication number Priority date Publication date Assignee Title
DE8712602U1 (fr) * 1987-09-18 1989-01-19 Hergeth Hollingsworth Gmbh, 4408 Duelmen, De
IT1283424B1 (it) 1996-07-11 1998-04-21 Marzoli & C Spa Apritoio a doppio tamburo e relativo procedimento di apertura e pulizia ad azione progressiva per fibre in fiocco
WO2007048262A2 (fr) * 2005-10-28 2007-05-03 Maschinenfabrik Rieter Ag Cylindre d'ouverture et puits de remplissage pour machine a carder
EP2225411A1 (fr) * 2007-12-31 2010-09-08 MARZOLI S.p.A. Ouvreur axial pour le traitement de touffes de fibres
ITBS20090120A1 (it) * 2009-06-30 2011-01-01 Marzoli Spa Dispositivo alimentatore per una macchina per la lavorazione della fibra per la preparazione alla cardatura
IT1395044B1 (it) 2009-06-30 2012-09-05 Marzoli Spa Apritoio a flusso assiale

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020134592A1 (de) 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Verfahren zum Betreiben einer Vorrichtung an oder in einer Textilmaschine und damit betriebene Textilmaschine
DE102020134589A1 (de) 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Spinnereivorbereitungsmaschine
WO2022135977A1 (fr) 2020-12-22 2022-06-30 Trützschler Group SE Procédé pour faire fonctionner un dispositif sur ou dans une machine textile, et machine textile fonctionnant avec celui-ci
WO2022135847A1 (fr) 2020-12-22 2022-06-30 Trützschler Group SE Machine de préparation de filature

Also Published As

Publication number Publication date
EP2557208A2 (fr) 2013-02-13
EP2554726A2 (fr) 2013-02-06
BR102012019398B1 (pt) 2020-12-29
EP2557208B1 (fr) 2016-03-16
CN102912479A (zh) 2013-02-06
ITBS20110114A1 (it) 2013-02-06
CN102912479B (zh) 2016-08-03
BR102012019398A2 (pt) 2013-11-12
EP2557208A3 (fr) 2014-09-24
EP2554726A3 (fr) 2013-03-27

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