EP1571244B1 - Vorrichtung und Verfahren zum automatischen Stapelfaserabtragen von Faserballen - Google Patents

Vorrichtung und Verfahren zum automatischen Stapelfaserabtragen von Faserballen Download PDF

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Publication number
EP1571244B1
EP1571244B1 EP20050075460 EP05075460A EP1571244B1 EP 1571244 B1 EP1571244 B1 EP 1571244B1 EP 20050075460 EP20050075460 EP 20050075460 EP 05075460 A EP05075460 A EP 05075460A EP 1571244 B1 EP1571244 B1 EP 1571244B1
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EP
European Patent Office
Prior art keywords
fibres
bales
row
removal
picking
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Application number
EP20050075460
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English (en)
French (fr)
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EP1571244A1 (de
Inventor
Mario Mascheretti
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Marzoli SpA
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Marzoli SpA
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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
    • D01G7/00—Breaking or opening fibre bales
    • D01G7/06—Details of apparatus or machines
    • D01G7/10—Arrangements for discharging fibres

Definitions

  • the present invention concerns a process and a device for automatically picking up fibres from bales of fibres.
  • the invention refers to the automatic picking up of fibres, carried out through picking-up machines known as bale-opening machines and that, as known, constitutes the first step in the processing of textile fibres, with the task of picking up the fibres, in the form of flocks, from the bales in which they are manufactured and sending them for subsequent processing.
  • the picking up of the fibres can take place in different ways, which can involve both the support surface for the bales and the removal surfaces of the fibres from the bales.
  • the row of bales can be rested upon a fixed support surface or on a mobile support surface, and said support surface can be horizontal or inclined in the longitudinal direction with respect to the row of bales.
  • the removal surface of the fibres can be horizontal or inclined, both in the longitudinal direction and in the transversal direction with respect to the row of bales.
  • an openable device of the aforementioned type comprising a trolley, or else a tower frame, which moves along a guide for the entire length of the row of bales and that carries a working arm canti-levered that extends transversally on the removal surface of the row of bales and can move in the vertical direction to adapt to the variations in height of the row itself.
  • the working arm is provided with picking-up means of fibres in flocks and in particular with
  • a device of the type described hereinbefore is disclosed, for example, in document US-A-4 888 857 wherein, in addition, the working arm of said device is integrally rotatable around its support frame.
  • the process for picking up flocks of fibres from the bales consists of the steps described hereafter.
  • the bales are arranged in a row, on a fixed or mobile, horizontal or inclined sup-port surface, to form an upper surface that is as continuous as possible, which constitutes the initial removal surface of the fibres.
  • the working arm of the bale-opening device is rested upon the removal surface and the entire device is made to translate in such a way that the working arm carries out a series of passages on the row of bales, in each passage picking up a certain amount of fibres and, from time to time, displacing in the vertical direction to adapt to the decrease in height of the removal surface.
  • the first opening processing of the bales arranged the material for the subsequent cleaning and discarding operations of the impurities, which takes place by classification based upon the different specific weight.
  • the suction hood is suitably profiled and the passage sections are sized to ensure a certain pneumatic transportation speed of the flocks of fibres picked up from the bales.
  • the optimal operation of such a classification and impurity discarding system is ensured by a flow of fibres coming from the picking-up device that is as constant as possible.
  • a purpose of the present invention is therefore that of making a device and a process for automatically picking up fibres from bales ensuring a lower dishomogeneity in amount and in quality of the fibres conveyed to the subsequent processing steps and irrespectively of the specific picking-up technology of fibres from the removal surface.
  • a further purpose of the present invention is that of ensuring greater productivity of pick-up through a greater operating factor.
  • a preferred embodiment of the device 1 for picking up fibres which comprises a trolley 2, free to translate along a guide, consisting of rails 3.
  • a trolley 2 free to translate along a guide, consisting of rails 3.
  • two frames 4 and 5 are positioned, which respectively carry two removal arms 6 and 7 canti-levered that indifferently can be made according to one of the known picking-up techniques of the state of the art.
  • the servomechanisms 8 and 9 for adjusting the height of the arms 6 and 7 are also schematically illustrated.
  • the areas 10 for supporting the bales of fibres are foreseen, to form the rows of bales from which the picking-up is carried out.
  • FIG 2 it is shown how the frames 4 and 5 for respectively supporting the removal arms 6 and 7 are arranged in succession along the trolley 2, so that they are respectively free to rotate about the axes 11 and 12, to pass from the position illustrated in the figures, with the two removal arms 6 and 7 on two opposite sides of the trolley 2, to a position in which both of the arms 6 and 7 are on the one side or on the other side of the trolley 2.
  • Figure 3 schematically shows the picking-up apparatuses of a removal arm 6, in particular a reel 13, a support pad 14 and two toothed wheels 15 and 16, respectively arranged on two rotating shafts 17 and 18.
  • Figure 4 schematically shows a detail of the device for picking up fibres from bales according to the present invention.
  • both of the removal arms 6 and 7 work on the same side of the trolley 2, which displaces translating along the row of bales 19, one of the two arms precedes the other in the passage on the removal surface of the row of bales.
  • the device displaces from right to left and the removal arm 6, which precedes in the direction of movement of the device, is at a slightly greater height to that of the removal arm 7 that follows. Necessarily, the relative heights of the two arms invert in the subsequent passage of the device on the row of bales from left to right.
  • Figure 5 shows the device 1 for picking up fibres, during a picking-up step in which there is a first row of bales 19; already partially processed during previous passages of the removal arms 6 and 7, on one side of the rails 3, whilst on the other side the arrangement of a second row of bales is in progress.
  • Both of the removal arms 6 and 7 work, carrying out one or more passages, on the removal surface of the same row of bales 19, in particular on the densest and previously flattened zones of said first row of bales 19. Consequently, the picking-up carried out is optimal.
  • Figure 6 shows the device 1 for picking up fibres, during a second step of the process for picking up fibres according to the present invention.
  • the support frame 5 of the removal arm 7 has been made to rotate by 180° about the trolley 2, so that the removal arm 7 rests above said second row of bales 20 during the different passages of the trolley along the rows of bales 19 and 20.
  • the removal arms 6 and 7 work, carrying out one or more passages, on the removal surface of the two different rows of bales 19 and 20, but, whilst the removal arm 6 operates on the densest and previously flattened zones of said first row of bales 19, the removal arm 7 operates on the upper surface, not yet levelled, of said second row of bales 20. Consequently, the picking up carried out on said second row of bales 20 may not be constant.
  • Figure 7 shows the device for picking up fibres during a third step of the process for picking up fibres according to the present invention.
  • the removal arms 6 and 7 work, carrying out one or more passages, respectively on the removal surface of the two different rows of bales 19 and 20, both operating on the densest and previously flattened zones of said rows of bales 19 and 20. Consequently, the picking up carried out on said rows of bales 19 and 20 is optimal.
  • the device for picking up fibres is still arranged as shown in figure 7.
  • the first row of bales 19 is now in a state of exhaustion.
  • the removal arms 6 and 7 work, carrying out one or more passages, respectively on the removal surface of the two different rows of bales 19 and 20, but, whilst the removal arm 7 operates on the densest and previously flattened zones of said second row of bales 20, the removal arm 6 operates on the end portion of said first row of bales 19. Consequently, the picking up carried out on said first row of bales 19 may not be constant.
  • the simultaneous picking up on two different rows of bales 19 and 20, one of which in optimal picking-up conditions and the other in potentially inconstant picking-up conditions, allows the possible jumps in picking up of fibres due to surface dishomogeneity of the first row of bales 19 that is running out to be minimized through the mixing of said fibres with those picked up from the previously flattened second row of bales 20
  • Figure 8 shows the device for picking up fibres during a further step of the process for picking up fibres according to the present invention, in a position mirroring the one shown in figure 5.
  • the removal arm 6 was made to rotate by 180° around the trolley 2, so as to rest over said second row of bales 20 during the different passages of the trolley along said second row of bales 20.
  • both of the removal arms 6 and 7 work, carrying out one or more passages, on the removal surface of the same row of bales 20, in particular on the densest and previously flattened zones of said second row of bales 20. Consequently, the picking up carried out is optimal.
  • the position of the device shown in figure 8 perfectly mirrors the one shown in figure 5 and it is clear to the man skilled in the art that the device 1 shall cross subsequent cyclical steps of the process according to the present invention, which shall from time to time be mirror-like or identical to those shown with reference to figures 5-8.
  • the steps described in relation to the position of the device 1 for picking up fibres refer to the process for picking up fibres from bales of fibres, according to the present invention, in normal operating conditions.
  • the process fore sees picking up fibres from the surface layers of a single row of bales, until the inner layers of the bales are reached. From this moment it is possible to proceed in normal operating conditions, according to the cyclical steps described with reference to figures 5-8.
  • the duration of the different processing steps can be varied by controlling the removal speed of the device for picking up fibres according to the present invention. This type of variations can be made by the operator even during the course of a processing step that has already begun, for example to prevent a row of bales finishing before a new row of bales has been arranged on the opposite side.
  • the invention should be understood to be applicable irrespective of the type of picking up means adopted, which make use of cutting or pressure reels, pincer means of flocks of fibres or pneumatic picking up means.

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

Claims (8)

  1. Vorrichtung (1), um Fasern von Faserballen automatisch aufzugreifen, welche mit einem Förderwagen bzw. -karren (2) ausgestattet ist, welcher das Ankoppeln einer Reihe umsetzt bzw. überträgt, die aus den Faserballen besteht, und zwar durch eine wiederholte Hin- und Herbewegung zwischen den Enden der Reihe, einem Mittel, um Fasern aufzugreifen, welche auf dem Förderwagen bzw. -karren (2) angeordnet sind, und welches zwei Entnahme-Arme (6, 7) umfasst, welche, indem sie Fasern von den Ballen (19, 20) aufgreifen, eine Entnahme-Ebene festlegen, wobei die Vorrichtung (1) dadurch gekennzeichnet ist, dass Folgendes gilt: jeder der Entnahme-Arme (6, 7) kann sich um 180° um eine Achse senkrecht zu der Entnahme-Ebene drehen, und zwar von einer Position, in welcher er sich auf einer Seite des Förderwagen bzw. -karren (2) befindet, zu einer Position, in welcher er sich auf der gegenüberliegenden Seite des Förderwagen bzw. -karren (2) befindet, sodass jeder auf einer eindeutigen Seite der Vorrichtung (1) arbeiten kann, oder sogar beide auf derselben Seite.
  2. Vorrichtung (1) zum automatischen Aufgreifen von Fasern nach Anspruch 1, dadurch gekennzeichnet, dass es ein Umsetz- bzw. Translationsmittel der Entnahme-Arme (6, 7) entlang einer Richtung senkrecht zu der Entnahme-Ebene umfasst.
  3. Vorrichtung (1) zum automatischen Aufgreifen von Fasern nach Anspruch 2, dadurch gekennzeichnet, dass das Umsetz- bzw. Translationsmittel der Entnahme-Arme (6, 7) entlang einer Richtung senkrecht zu der Entnahme-Ebene ein Mittel für die relative Verschiebung eines Entnahme-Arms (6) in Bezug auf den anderen (7) umfasst, sodass, für den Fall, dass beide Arme (6, 7) auf derselben Seite des Förderwagen bzw. -karren (2) arbeiten, oder stattdessen in derselben Entnahme-Ebene, die Position des Entnahme-Armes (7), die in der Bewegung der Entnahme-Oberfläche entlang der Reihe der Ballen folgt, niedriger ist, als die Position des vorangehenden Entnahme-Arms (6).
  4. Vorrichtung (1) zum automatischen Aufgreifen von Fasern nach irgendeinem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass Entnahme-Arme (6, 7) ein Mittel zum Einstellen der Menge an Fasern umfassen, die pro Zeiteinheit entfernt werden.
  5. Vorrichtung (1) zum automatischen Aufgreifen von Fasern nach irgendeinem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass Entnahme-Arme (6, 7) aus Schneid-Rollenhalter-Armen, Druck-Rollenhalter-Armen, pneumatischen Aufnehm-Armen und Zwick-Armen von Kurzfasern bzw. Flocken ausgewählt werden.
  6. Verfahren zum automatischen Aufgreifen von Fasern aus Faserballen, wobei eine Vorrichtung (1) verwendet wird, wie in Anspruch 1 beansprucht wird, dadurch charakterisiert, dass es das Aufnehmen aus einer ersten Reihe (19) und einer zweiten Reihe (20) von Ballen vorsieht, und dadurch, dass es die folgenden Start-Schritte umfasst:
    - es wird eine zweite Reihe (20) von Ballen auf einer Unterstützungs-Ebene angeordnet, und
    - es werden die Fasern aus der Oberflächen-Schicht aus der ersten Reihe (19) aufgegriffen, welche vorher angeordnet wurde,
    und unter normalen Betriebsbedingungen dadurch, dass es folgende zyklische Schritte umfasst:
    - es wird eine zweite Reihe (20) von Ballen angeordnet, während die Fasern aus den inneren Schichten der ersten Reihe (19) aufgegriffen werden, welche während des vorangegangenen Zyklus angeordnet wurde,
    - es wird begonnen, die Fasern von der Oberflächen-Schicht der zweiten Reihe (20) der Ballen aufzugreifen, während einer fortfährt, die Fasern von den inneren Schichten der ersten Reihe (19) der Ballen aufzugreifen, welche während des vorangegangenen Zyklus angeordnet wurden,
    - es wird fortgefahren, die Fasern der inneren Schichten von beiden Reihen (19, 20) der Ballen aufzugreifen,
    - es wird fortgefahren, die Fasern von den Oberflächen-Schichten der zweiten Reihe (20) der Ballen aufzugreifen, während begonnen wird, die Fasern von den unteren Schichten der ersten Reihe (19) der Ballen aufzugreifen, die während des vorangegangenen Zyklus angeordnet wurden,
    - wenn man mit der ersten Reihe (19) der Ballen am Ende ist, die während des vorangegangenen Zyklus angeordnet wurden, wird der Zyklus wiederholt,
    die gesamte Menge an Fasern, die pro Zeiteinheit aufgegriffen werden, wird so eingestellt, um während der verschiedenen Schritte im Wesentlichen konstant zu sein.
  7. Verfahren zum automatischen Aufgreifen von Fasern aus Faserballen nach Anspruch 6, dadurch gekennzeichnet, dass während der Schritte, bei denen die Vorrichtung (1) die Fasern aus einer einzelnen Reihe (19) der Ballen aufgreift, die Menge der Fasern, welche pro Zeiteinheit von der Reihe (19) der Ballen aufgegriffen werden, doppelt so hoch ist, wie die, die von derselben Reihe (19) von Ballen während der Schritte aufgegriffen wird, bei welchen die Vorrichtung (1) die Fasern von beiden Reihen (19, 20) der Ballen aufgreift.
  8. Verfahren zum automatischen Aufgreifen von Fasern aus Faserballen nach irgendeinem der Ansprüche 6 und 7, dadurch gekennzeichnet, dass die Dauer der zyklischen Schritte einstellbar ist.
EP20050075460 2004-03-04 2005-02-25 Vorrichtung und Verfahren zum automatischen Stapelfaserabtragen von Faserballen Active EP1571244B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20040412 ITMI20040412A1 (it) 2004-03-04 2004-03-04 Dispositivo e procedimento per il prelievo automatico di fibre da balle di fibre
ITMI20040412 2004-03-04

Publications (2)

Publication Number Publication Date
EP1571244A1 EP1571244A1 (de) 2005-09-07
EP1571244B1 true EP1571244B1 (de) 2007-06-06

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EP20050075460 Active EP1571244B1 (de) 2004-03-04 2005-02-25 Vorrichtung und Verfahren zum automatischen Stapelfaserabtragen von Faserballen

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EP (1) EP1571244B1 (de)
DE (1) DE602005001276T2 (de)
ES (1) ES2288283T3 (de)
IT (1) ITMI20040412A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1396418B1 (it) * 2009-11-16 2012-11-23 Marzoli Spa Dispositivo e metodo per il prelievo automatico di fibra da balle di fibra in una linea di filatura.
CH710257A1 (de) 2014-10-16 2016-04-29 Rieter Ag Maschf Ballenöffner.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208346C2 (de) * 1982-03-09 1984-11-29 Hergeth GmbH & Co KG, 4408 Dülmen Einrichtung zum Abtragen des Gutes von in Reihe aufgestellten Ballen aus Spinngut
EP0093235B1 (de) * 1982-05-04 1985-07-03 Maschinenfabrik Rieter Ag Verfahren zum Abtragen von Faserballen
DE3334789C1 (de) * 1983-09-26 1985-03-21 Trützschler GmbH & Co KG, 4050 Mönchengladbach Verfahren und Vorrichtung zum Betreiben eines Ballenöffners für Faserballen
DE3730487A1 (de) * 1987-09-11 1989-03-23 Hollingsworth Gmbh Vorrichtung zum abtragen von fasergut, insbesondere von ballen aus spinngut
DE3903239C1 (de) * 1989-02-03 1990-07-05 Hergeth Hollingsworth Gmbh, 4408 Duelmen, De

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Publication number Publication date
EP1571244A1 (de) 2005-09-07
DE602005001276D1 (de) 2007-07-19
DE602005001276T2 (de) 2008-01-31
ITMI20040412A1 (it) 2004-06-04
ES2288283T3 (es) 2008-01-01

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