EP0386580A1 - Procédé et installation pour prélever des paquets de fibres à partir de balles - Google Patents

Procédé et installation pour prélever des paquets de fibres à partir de balles Download PDF

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Publication number
EP0386580A1
EP0386580A1 EP90103713A EP90103713A EP0386580A1 EP 0386580 A1 EP0386580 A1 EP 0386580A1 EP 90103713 A EP90103713 A EP 90103713A EP 90103713 A EP90103713 A EP 90103713A EP 0386580 A1 EP0386580 A1 EP 0386580A1
Authority
EP
European Patent Office
Prior art keywords
removal
fiber
bales
toothed roller
fiber bales
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.)
Withdrawn
Application number
EP90103713A
Other languages
German (de)
English (en)
Inventor
Robert Demuth
Paul Stäheli
Jürg Faas
Peter Brütsch
Janusz Konaszweski
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0386580A1 publication Critical patent/EP0386580A1/fr
Withdrawn legal-status Critical Current

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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
    • D01G7/00—Breaking or opening fibre bales
    • D01G7/06—Details of apparatus or machines
    • D01G7/10—Arrangements for discharging fibres
    • 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
    • D01G7/04—Breaking or opening fibre bales by means of toothed members

Definitions

  • the invention relates to a method for removing fiber flakes from fiber bales, by moving a removal element belonging to a bale removal member and rotating about an axis of rotation, preferably a toothed roller provided with teeth over a removal surface of fiber bales set up in series on a receiving surface, in which the teeth of the toothed roller Detach fiber flakes from the removal surface and transfer them to a flock transport, and that the fiber bales are gradually moved against the removal member for removal, as well as a device for carrying out the method.
  • the delivered fiber bales are the first to be removed from the wrapping were handed over to a so-called opener, in which the fiber bales are broken down into fiber flakes.
  • the operator also had the task of removing these layers from a plurality of different bales in a predetermined ratio and stacking these layers on top of one another, so that a mixture was added to the dissolving device for dissolving.
  • fiber bales were placed in rows on the support surface of a conveyor belt and removed by a fiber removal roller directed horizontally and perpendicularly to the row of bales, which loosened fiber flakes from them while traveling along the row of fiber bales.
  • the fiber removal element was movable on rails along the row of fiber bales in such a way that the so-called removal surface of the fiber bales, within which the fiber flakes were removed, was not parallel to the abovementioned bearing surface, but rather formed a so-called angle of attack with it.
  • bales i.e. Bales of different origins could be removed at the same time, so that only a limited number of bales were available for the mix per conveyor belt and thus with a mixture of a larger number of bales, e.g. 10 bales, several parallel removal devices had to be provided.
  • bale removal machines which had a bale removal member which also had a rectified removal roller which ran over the surface a back and forth of a stationary fiber bale set up in a row, thereby detaching fiber flakes from the removal surface of the fiber bales and transferring them to a flake transport.
  • UNIFLOC European Patent 93,235
  • a disadvantage of the removal process along a row of fiber bales is that the supply had to be provided as a second, parallel or series-arranged row of fiber bales during processing, which in the case of a parallel arrangement had a tower which could be rotated through 180 degrees, on which the Abtragorgan was ordered, presupposed.
  • German Patent No. 1 193 844 Another device for removing fiber floc ken from superimposed fiber layers is shown in German Patent No. 1 193 844 by a predetermined height of fiber layers between a lower and an upper conveyor belt and between two lateral conveyor belts are guided against a removal device which have two vertical toothed rollers on the front the stripping layers detaches flakes from these layers and feeds them to a further dissolving device in free fall.
  • the invention solves this problem in that the rotational axis of the toothed roller includes an angle of incidence which is not zero with the receiving surface of the fiber bales and that the direction of movement of the removal member is transverse to the longitudinal direction of the row of fiber bales. And in terms of the device, the guide for the removal member is directed transversely to the direction of movement of the receiving surface for these fiber bales, so that the back and forth movement of the removal member lies essentially at right angles to the direction of movement of the fiber bale.
  • the advantage of the invention is that, depending on the type of installation of the bales, flakes from a height range or from the entire height of the bales are removed at the same time and that the possibility of arranging bale rows directly next to one another also gives the possibility of obtaining a mixture.
  • FIGS. 1 and 2 for the sake of simplicity, in order to clarify the method, only the most essential elements for carrying out the method are shown shows, namely in Figure 1, a toothed roller 1, as shown and described for example in European Patent No. 00 58781.
  • This toothed roller is mounted rotatably about the axis of rotation 2 in a removal member described later.
  • This toothed roller 1 is moved back and forth in the directions of movement A and B (FIG. 2) with the aid of a device described later, in order thereby to remove fiber flakes from fiber bales 3, which are set up in a row on a conveyor belt 4.
  • the surface of the belt on which the bales are placed is referred to as the storage surface 5, while the tooth roller 1, which is moved back and forth, by removing the fiber flakes on the surface of the fiber bales 3 is referred to as the removal surface 6.
  • the conveyor belt In order to be able to continuously remove flakes from the removal surface 6 by means of the reciprocating toothed roller 1, the conveyor belt is moved in very small steps in the conveying direction C, namely after each movement of the toothed roller in one or the other direction A or. B one step against the toothed roller. After the removal has been completed, the conveyor belt is moved back somewhat, for example by 10-20 mm, so that, with certainty, no flakes are removed from this row of bales, even though, as described later, rows of rows arranged in parallel are still removed.
  • the flakes removed from the toothed roller 1 are discharged onto a conveyor belt, which is symbolically indicated by the arrow D.
  • the real master to do this will be described later.
  • a conveyor belt as described later, other conveyor elements can also serve to receive the fiber flakes.
  • the axis of rotation 2 includes a so-called angle of attack with the receiving surface 5. This angle differs depending on the type of device, as shown in FIG. 3 with angles 1 and 2.
  • the fiber bales 3 with their length L are set transversely to the direction of movement C of the fiber bales and that their height H rests vertically on the receiving surface 5, accordingly the width W is directed in the conveying direction C.
  • FIG. 3 shows a variant of the device from FIG. 1 in that the toothed roller 1 is arranged with a substantially larger angle of attack 1 or 2.
  • the toothed roller 1, which is indicated by dashed lines, has, for example, a right angle (not shown).
  • Figures 2 and 4 further show that the on the conveyor belts 4 and 4 respectively. 4.1, respectively 4.2, arranged fiber bales with side walls 8, 9, respectively. 8.1 and 9.1 can be performed. The optional arrangement of these side walls is indicated by the dash-dotted line.
  • FIG. 5 shows a further variant of the inventive concept in that two toothed rollers, namely the lower toothed roller 1.1 and the upper toothed roller 1.2, as shown in FIG. 6, are arranged side by side in such a way that they have two different angles of attack, namely the toothed roller 1.1 an angle of attack 1 and the toothed roller 1.2 an angle of attack 2nd
  • This arrangement of the toothed rollers has the advantage that an opposing thrust component of the two toothed rollers is produced when they remove flakes on the removal surface.
  • the thrust component results from the inclined position of the toothed roller, with the thrust component acting downwards at an angle of attack of less than 90 degrees and the thrust component acting upwards at an angle of attack of more than 90 degrees. This means that the arrangement of the toothed rollers according to FIG. 5 essentially compensates for the two thrust components.
  • FIG. 7 shows a variant of the device from FIG. 2, with a toothed roller 10 assigned in parallel to a toothed roller 1.
  • the two rollers 1 and 10 can rotate in the same direction of rotation or in the opposite direction of rotation, depending on the back and forth movement. It is known per se that when removing flakes of fiber from a removal surface of a fiber bale, the direction of rotation should be selected in such a way that so-called parallel milling occurs because so-called reverse milling (direction of rotation of the toothed roller in the other direction of rotation with the same direction of displacement) results in a poorer removal result . However, it can happen that the fiber layers of the fiber bale stand out too much during milling, which can essentially be compensated for again with a toothed roller rotating in the opposite direction.
  • FIG. 8 shows the inventive concept of FIG. 7, but in use with two conveyor belts 4.1 arranged one above the other, respectively. 4.2.
  • the use of the two toothed rollers corresponds to the use of the toothed rollers of FIG. 7, which is why the toothed rollers as well as the other elements are identified with the figures described in connection with the earlier.
  • FIG. 9 shows the arrangement of the toothed roller 1 according to FIG. 2, but with an arrangement of the fiber bales at right angles to the arrangement of the fiber bale of Figure 2, that is, the length of the fiber bale is in the conveying direction C, so that several fiber bales with their width W arranged side by side less stroke in the back and forth directions A, respectively. B, require.
  • Everything else is in accordance with FIG. 2, which is why the same reference numerals are used, with the exception of reference number 4.3, which has a new designation corresponding to the wider conveyor belt compared to the conveyor belt of FIG. 2.
  • FIG. 10 has the same arrangement of the fiber bales as FIG. 9 with the difference that each row of fiber bales has its own conveyor belt 4.4.
  • the other elements are the same, which is why they have the same reference numerals.
  • the advantage of the arrangement in FIG. 10 is that the individual bale rows can be moved with different advancement of the bale rows in the direction C, per reciprocation of the toothed roller 1. In this way, the removal depth, which results from the feed in the direction of movement C, per feed step, can be adapted to the different bale provenances on the corresponding conveyor belts 4.4.
  • Reference numeral 7.1 indicates that each product removed from the individual rows of bales can be placed on a separate conveyor belt 7.1 instead of on the common conveyor belt 7.
  • Figure 11 shows the arrangement of Figure 4, but with several fiber bales arranged side by side, which correspondingly wider conveyor belts 4.5, respectively. 4.6, required. The other marks correspond to those 4.
  • FIG. 12 shows the arrangement with individual conveyor belts 4, per row of bales arranged side by side.
  • the advantage of this arrangement corresponds to the advantage of FIG. 10, but with conveyor belts arranged one above the other.
  • FIG. 13 shows an associated conveyor belt 4.4 per bale row, but more than one toothed roller 1 for the bale rows.
  • the toothed roller 1 shown with dashed lines indicates that there are two or more than two, i.e. can be any number of toothed rollers. Incidentally, this applies to all the variants shown.
  • the schematic lines Q, R and S also show that when using a conveyor belt 7, 7.1, respectively.
  • the travel paths A and B per toothed roller 1 can be selected to have different lengths per toothed roller 1, which can be controlled, for example, by way limiters described later.
  • the first toothed roller 1, seen from left to right with a view of FIG. 13, removes from two rows of bales, the second toothed roller from three rows of bales and the third toothed roller also from three rows of bales.
  • the first and the second toothed roller 1 could remove from every four rows of bales, while the third toothed roller 1 is either not provided at all, or is in a rest position located.
  • the distribution according to line S is as follows: three rows of bales for the first, two rows of bales for the second and three rows of bales for the third toothed roller 1.
  • the conveyance of the fiber flakes from the toothed rollers 1 can be fed to the conveyor belt 7 either according to the solid line D, or to the conveyor belt 7.2 according to the dashed line D.1, or to the conveyor belt 7.3 according to the dash-dotted line D.2, for which purpose known pipe switches are necessary.
  • FIG. 14 shows a device in which the toothed roller 1 is rotatably and drivably mounted in a housing 11, the toothed roller 1 being driven by an electric motor 12 which is fixedly connected to the housing 11.
  • the housing 11 has two carrier pairs 13 and 14 (only one carrier in FIG. 18 and only the carrier pair 13 visible in FIG. 14), in each of which a wheel shaft 15 is rotatably supported and secured against axial displacement.
  • Profile wheels 16, respectively. 17, are firmly connected to the shafts 15, which are also each guided on a tubular guide rail 20 for moving the housing 11 in the directions of movement A and B.
  • a shaft 15 is driven by a motor 19 by means of gears 44 driven, while the other shaft 15 is driven by an overdrive 18.
  • the motor 19 is firmly connected to the housing 11.
  • removal member 21 The whole is referred to as removal member 21.
  • a controller 22 controls the motors 12, 19 and 23, the latter serves to drive the conveyor belt 4; resp. the conveyor belts 4.1; 4.2; 4.3; 4.4; 4.5; 4.6.
  • the housing 11 above the toothed roller 1 has a flake conveying channel 24 (see also FIG. 17), the outlet 25 of which is connected to a fan 26.
  • the fan 26 is designed as a radial fan and guides the outlet into an arc 27 which transfers the transported fiber flakes to a pneumatic conveying channel 28.
  • This conveying channel 28 is in turn connected via a line 29 to a fan 45 which conveys the fiber flocks to the next processing point (not shown).
  • the compensation between the fan 26 and the fan 45 connected downstream of the line 29 is achieved by the compensation filter 30.
  • a throttle valve 32 is provided at its inlet end 31 for controlling the throughput air quantity through the fiber conveying channel 24.
  • the compensation filter 30 is in turn on a fil Tertutzen 33 attached, which is connected to the sheet 27, thereby establishing a connection between the interior of the sheet 27 and the compensating filter 30.
  • the conveyor channel 28 is an alternative to the conveyor belts 7, 7.1, 7.2 and 7.3 mentioned earlier.
  • the fan 26 can also be dispensed with, so that the fiber flakes are transported by means of the air flow generated by the fan 45.
  • a possible disadvantage of these variants is that there may be a disadvantageously higher negative pressure in the channel 28.
  • this variant has the certain advantage of the simpler and cheaper design, since in addition to the fan 26, the filter 30 is also eliminated.
  • FIG. 17 shows that for the direction of rotation of the toothed roller 1 in the clockwise direction and in the direction of movement of the removal member 21 in direction A, the conveying air including conveying flakes take the path M. Conversely, the fiber flakes are passed through the path N when the toothed roller rotates in the counterclockwise direction and the removal member B removes flakes from the removal surface 6 in the direction of movement B.
  • a pneumatic cylinder 36 and a pneumatic cylinder 37 are provided for the flap 35, each of which can be pivoted on the one hand with the housing 11 and on the other hand with a pivoting lever 38, or. 39, are pivotally connected.
  • the pivot levers 38 and 39 are each with the corresponding flap 34, respectively. 35, non-rotatably connected.
  • the conveying channel 28 has, in order to receive the sheet 27 which is moved back and forth in the directions of movement A and B, an endless belt 40 which is deflected at both ends of the conveying channel 28 by a deflecting roller 41 (only one visible in FIG. 16).
  • the connecting line 29 (FIGS. 14 and 16) is connected to the conveying channel 28 within the two deflecting rollers.
  • the conveyor channel 28 is composed of a U-shaped trough 42 and the endless belt 40 moving therein.
  • the belt 40 In order to prevent the endless belt 40 from being sucked inwards by the negative pressure prevailing in the channel 28, the belt 40 is supported by slide rails 43.
  • the removal member 21 is caused by the control 22 to carry out the back and forth movements A and B, with the fiber bales being moved in the direction of movement C by a step, for example 3 to 5 mm, against the removal member, so that the toothed roller 1 is able to detach flakes from the removal surface 6 and transfer them to the conveying channel 24.
  • the controller is able to adapt the step path C, the back and forth movement A and B and the speed of the toothed roller to the fiber material of the fiber bale 3 in such a way that technologically good results are achieved.
  • control system is capable of the step C of the individual conveyor belts on which the rows of bales are arranged, as well as the speed of movement in movements A and B and the speed of the abrasion rollers, depending on the given requirements of the individual rows of bales to adapt in order to optimize the removal result technologically and / or in relation to flake mixtures of the individual bale rows.
  • a measure must be taken to ensure that the removal member 21 remains guided on the rails 20.
  • Such a measure can, for example, as shown in FIG. 14, be one or two counter rails 46 (only one shown in FIG. 14) which guides a profiled wheel 47 which rotates freely on the shaft 15. The Provilrad 47 is there secured against axial displacement on the shaft 15.
  • the invention can also be supplemented or combined with features as are known from the prior art.
  • the removal roller 1 can be provided with swash plates, as are published in EP-58 751, or grate bars can be used in combination with the removal roller 1, as described in EP-199 041 or EP-351 529 or DE -38 27 517.1 are disclosed.
  • two removal rollers can be used, as they are listed in EP-326 913 or CH application No. 01 589 / 89-3.
  • flaps can be used, as described in DE-38 43 656.6.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP90103713A 1989-03-07 1990-02-26 Procédé et installation pour prélever des paquets de fibres à partir de balles Withdrawn EP0386580A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH83489 1989-03-07
CH834/89 1989-03-07

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EP0386580A1 true EP0386580A1 (fr) 1990-09-12

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EP90103713A Withdrawn EP0386580A1 (fr) 1989-03-07 1990-02-26 Procédé et installation pour prélever des paquets de fibres à partir de balles

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US (1) US5044045A (fr)
EP (1) EP0386580A1 (fr)
JP (1) JPH0333227A (fr)
DD (1) DD292486A5 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992001095A1 (fr) * 1990-07-05 1992-01-23 Bonde Lindberg Appareil de traitement de matieres fibreuses
GB2247029A (en) * 1990-07-17 1992-02-19 Hergeth Hubert A Bale trimming
US5211708A (en) * 1990-02-02 1993-05-18 Maschinenfabrik Rieter Ag Fiber bale opening apparatus
US7513016B2 (en) 2005-12-10 2009-04-07 Hubert Hergeth Inclined milling machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4040197C2 (de) * 1990-12-15 2003-04-24 Truetzschler Gmbh & Co Kg Vorrichtung zum Abtragen von Faserflocken aus in Reihe angeordneten Faserballen, z. B. aus Baumwolle, Chemiefasern o. dgl.
DE4120818A1 (de) * 1991-06-24 1993-01-07 Truetzschler & Co Verfahren und vorrichtung zum abtragen von faserflocken von tekxtilfaserballen, z. b. aus baumwolle, chemiefasern o. dgl.
US5768750A (en) * 1995-11-09 1998-06-23 Preparation Machinery Services, Inc. Apparatus and method for opening multiple fiber bales

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE1137359B (de) * 1961-06-13 1962-09-27 Maschb Rapp & Seidt Vorrichtung zum Mischen und OEffnen von Faserstoffballen
CH503809A (de) * 1969-12-12 1971-02-28 Rieter Ag Maschf Verfahren zum Öffnen von Faserballen und Mischen der Fasern
DE8712308U1 (de) * 1987-09-11 1989-01-12 Hergeth Hollingsworth GmbH, 4408 Dülmen Vorrichtung zum Abtragen des Gutes von Faseranhäufungen, insbesondere von Ballen aus Spinngut
EP0327885A1 (fr) * 1988-02-04 1989-08-16 Maschinenfabrik Rieter Ag Appareil pour enlever des flocons de fibres

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GB437242A (en) * 1934-04-06 1935-10-25 Lamort E & M Improvements in and relating to the manufacture of paper pulp
US3139650A (en) * 1961-03-16 1964-07-07 Rapp & Seidt Maschb Process and apparatus for breaking and teasing compressed fibrous material
US3251096A (en) * 1961-06-13 1966-05-17 Maschb Rapp & Seidt Apparatus for breaking compressed fibrous material
US3537143A (en) * 1968-10-01 1970-11-03 Maremont Corp Bale opening apparatus
DE1923326C3 (de) * 1969-05-07 1974-06-20 Hergeth Kg Maschinenfabrik U. Apparatebau, 4408 Duelmen Vorrichtung zum öffnen von Ballen bzw. Preßballen aus Textilfasern u. dgl
CH531058A (de) * 1970-10-27 1972-11-30 Hergeth Kg Masch Apparate Einrichtung zum kontinuierlichen Öffnen von Ballen aus Spinngut, insbesondere Baumwolle u. dgl.
DE2053948A1 (en) * 1970-11-03 1972-06-22 Hergeth KG Maschinenfabrik u. Apparatebau, 4408 Dülmen Bale opener - with rotary cutting units to process series of bales arranged in a circle
JPS5245807B2 (fr) * 1973-09-10 1977-11-18
US4193169A (en) * 1974-10-23 1980-03-18 Olsson Carl F S Method of stripping pulp bales and a machine therefor
DE2931500A1 (de) * 1979-08-03 1981-02-19 Hergeth Kg Masch Apparate Einrichtung zum oeffnen und mischen von fasermaterial, z.b. baumwolle u.dgl.
DE3360334D1 (en) * 1982-05-04 1985-08-08 Rieter Ag Maschf Method of opening fibre bales
IN160371B (fr) * 1983-06-24 1987-07-11 Reiter Ag Maschf
SU1335582A1 (ru) * 1983-07-29 1987-09-07 Барнаульский Научно-Исследовательский Институт Текстильной Промышленности Устройство дл смешивани волокнистого материала
EP0193647B1 (fr) * 1985-02-07 1989-03-08 Maschinenfabrik Rieter Ag Procédé et commande d'une machine pour enlever des touffes de fibres des balles de fibres textiles
DE3637580C1 (de) * 1986-11-04 1988-03-17 Schubert & Salzer Maschinen Vorrichtung zum Absaugen von Fasermaterial
GB8828278D0 (en) * 1988-12-03 1989-01-05 Univ Heriot Watt Med Laser Uni Flexible guides for light energy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137359B (de) * 1961-06-13 1962-09-27 Maschb Rapp & Seidt Vorrichtung zum Mischen und OEffnen von Faserstoffballen
CH503809A (de) * 1969-12-12 1971-02-28 Rieter Ag Maschf Verfahren zum Öffnen von Faserballen und Mischen der Fasern
DE8712308U1 (de) * 1987-09-11 1989-01-12 Hergeth Hollingsworth GmbH, 4408 Dülmen Vorrichtung zum Abtragen des Gutes von Faseranhäufungen, insbesondere von Ballen aus Spinngut
EP0327885A1 (fr) * 1988-02-04 1989-08-16 Maschinenfabrik Rieter Ag Appareil pour enlever des flocons de fibres

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211708A (en) * 1990-02-02 1993-05-18 Maschinenfabrik Rieter Ag Fiber bale opening apparatus
WO1992001095A1 (fr) * 1990-07-05 1992-01-23 Bonde Lindberg Appareil de traitement de matieres fibreuses
GB2247029A (en) * 1990-07-17 1992-02-19 Hergeth Hubert A Bale trimming
GB2247029B (en) * 1990-07-17 1994-10-05 Hergeth Hubert A Bale trimming
US7513016B2 (en) 2005-12-10 2009-04-07 Hubert Hergeth Inclined milling machine
DE102005059151B4 (de) * 2005-12-10 2017-10-19 Hubert Hergeth Schrägfräse

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US5044045A (en) 1991-09-03
DD292486A5 (de) 1991-08-01
JPH0333227A (ja) 1991-02-13

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