EP1447362B1 - Device for stacking a stream of incoming sheets - Google Patents

Device for stacking a stream of incoming sheets Download PDF

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Publication number
EP1447362B1
EP1447362B1 EP04090049A EP04090049A EP1447362B1 EP 1447362 B1 EP1447362 B1 EP 1447362B1 EP 04090049 A EP04090049 A EP 04090049A EP 04090049 A EP04090049 A EP 04090049A EP 1447362 B1 EP1447362 B1 EP 1447362B1
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EP
European Patent Office
Prior art keywords
stack
crossbeam
collected
sheets
separating
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.)
Revoked
Application number
EP04090049A
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German (de)
French (fr)
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EP1447362A1 (en
Inventor
Norbert Rilitz
Rainer Kehrls
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ECH Will GmbH and Co
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ECH Will GmbH and Co
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • B65H29/18—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains and introducing into a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a device for stacking an incoming sheet flow, in particular for stacking formed in format cutters sheets of paper, cardboard, foil or the like, comprising an infeed belt for the sheets to be stacked, a receptacle for forming a stack of the sheets, a Separating element for separating the stack into a collected and to be changed stack on the one hand and a pre-collected stack on the other hand, a holding element for holding the pre-collected stack, which is formed of a plurality of arranged on a first Traverse elements, a separation table for receiving the pre-collected stack during the stack change and a front front stop and a rear hopper for guiding and / or aligning the stack.
  • Such devices are used, for example, in papermaking or in the production of formats from a wound on bobbins material web for stacking the sheets formed in a format cutter.
  • the sheets run in a sheet stream through an infeed belt, which is also referred to as a kicker belt, in the device for stacking and are there on a recording - usually a pallet - collected.
  • the front stop come the incoming sheets on the side facing away from the inlet belt of the stack to the plant.
  • a rear hopper which is arranged on the side facing the inlet belt of the stack, serves to guide the sheets on the opposite side of the front stop and for aligning the sheets.
  • the pallet lowers as the stack height increases.
  • a so-called separation element which is suitably comb-like, is introduced at a defined position in the stack of collected sheets.
  • the holding element is introduced, which creates the gap required for the insertion of the separating table.
  • the separation table with a continuous tabletop is then fully inserted into the gap, so that the stack is divided into a completely collected and to be changed stack, which lies on the pallet, and a pre-collected stack, which lies on the separation table.
  • the finished stack can now be removed under the separation table, so that a new, empty pallet can be positioned under the separation table.
  • the pre-collected stack is placed on the new empty pallet.
  • a device of the type mentioned above in that the operator comprises a perpendicular to a plane spanned by the separation table level guide member. This ensures a continuous guidance of the pre-collected stack - even during the stack change - because the guide element is variably adapted to the steadily growing, pre-collected stack.
  • the problem is solved by a particularly effective manner.
  • the guide element is formed from a plurality of spaced-apart telescopic rails.
  • a guide is possible in a particularly simple and secure manner, since the telescopic rails continuously adjust the height of the stack.
  • the telescopic rails are by extension of the first traverse perpendicular to the plane necessarily retractable or retractable. This design ensures complete guidance of the pre-collected stack during the entire change process.
  • the guide is always in the region of the stack, which is particularly sensitive to slipping or shifting when changing a stack.
  • the device shown in FIGS. 1 to 4 serves, in particular, for stacking sheet-like material and for changing a stack in the case of a continuous stream of sheets.
  • the apparatus 10 shown in FIG. 1 represents essential parts of an automatic large-format tray, which as a module is part of a large format cutter (not shown).
  • the device 10 essentially comprises an infeed belt 11 for Feeding a sheet flow formed from sheets 14 to a receptacle 12 on which the sheets 14 are collected to a stack 13, a separation table 15 for receiving a pre-collected stack 16, a front front stop 17 and a rear hopper 18 for guiding, holding and or aligning of the stack 13 or of the pre-collected stack 16, a separating element 19 for separating the collected stack 13 into the stack 13 to be changed and the pre-collected stack 16 or for creating a gap 20 in the stack 13, a holding element 21 for holding the pre-collected stack 16 and for obtaining the gap 20, wherein the holding member 21 is formed of a traverse 22 and suction pads 23 arranged thereon.
  • the suction shoes 23 can also be replaced by other conventional holding and / or support means.
  • the separating element 19 has a carrier 24, on which a plurality of separating fingers 25 are arranged.
  • the carrier 24 with the separating fingers 25 is both in the transport direction of the sheet flow (see arrow A in Figures 1 and 3), ie in the direction of the X-coordinate shown, as well as in a direction perpendicular to the plane defined by the separation table 15 level 26 (X - / Z-plane), ie in the direction of the Y-coordinate shown, movable.
  • the front stop 17 is likewise designed to be movable up and down in the direction perpendicular to the plane 26, but in a region of the upper edge of the stack 13 or 16.
  • Traverse 22 extends transversely to the transport direction of the sheet flow.
  • a plurality of suction shoes 23 are spaced from each other.
  • the traverse 22 as well as the separating element 19 in the transport direction (X direction) back and forth and in the vertical direction (in the Y direction) up and down movable.
  • the suction shoes 23 have pads 27, which serve to support the pre-collected stack 16 but also as an insertion.
  • the retaining element 21 may also be formed from other conventional holding and guiding elements.
  • the rear hopper 18 is formed of a plurality of flat Andschreibblechen 28 or the like.
  • the pressure plates 28 are over (not shown) Actuators oscillating in the transport direction (X direction) back and forth. In the Y direction, the pressure plates 28 only extend over a small area, starting from an upper edge 29 of the stack 16.
  • the sheets 14 which are just entering the stack 13 or 16 are expediently aligned and guided.
  • the travel of the Andschreibbleche 28 in the X direction is about ⁇ 2mm.
  • a further traverse 30 is arranged, which is fixed, e.g. is attached to the (not shown) frame of the device 10.
  • a guide member 31 is arranged at the stationary cross member 30, .
  • the guide element 31 is designed to be movable, in such a way that it can be moved up and down in the Y-direction vertically up to the plane 26 is adjustable.
  • a plurality of the guide member 31 forming telescopic rails 32 are attached to the traverse 30 with a free end.
  • the attachment can be detachable or fixed.
  • webs 33 provide a rigid connection between telescoping rails 32 and crossmember 30.
  • other movable means e.g. Roller elements, extendable elements or the like to form the guide element 31 serve.
  • the telescopic rails 32 are spaced from each other, in the intervals or intervals between the individual Andrückblechen 28 of the pantry 18. They are formed of several mutually displaceable elements, wherein the individual elements via sliding guides, ball guides or other conventional bearings or guides into each other stored and linear in their longitudinal extension extendable or retractable.
  • the telescopic rails 32 are attached to the other free end, more precisely to the respective lowermost, inner element on the traverse 22.
  • the connection is formed, for example, from a bolt 34 with a corresponding sleeve 35.
  • each telescopic rail 32 can be attached to an additional crossbeam (not shown) be attached.
  • the respective lowest elements of the telescopic rails 32 are preferably releasably secured by screwing or the like to support sheets.
  • the support plates protrude substantially horizontally from the lowermost elements of the telescopic rails 32 in the direction of the additional traverse, to which they are preferably releasably attached.
  • the additional traverse extends substantially parallel to the traverse 22 and is spaced from this arranged in the transport direction A of the arc flow in front of the traverse 22.
  • the additional traverse is stationary in the X direction and preferably moved up and down in synchrony with the traverse 22 in the Y direction.
  • the support plates thus protrude into the region of the suction shoes 23, namely in particular in the intermediate spaces between the suction shoes 23.
  • This additional attachment causes the telescopic rails 32 respectively at the topmost element (with the crossbar 30) and at the lowermost element (with the additional traverse ) are firmly connected, so that the forces occurring due to the up and down movement and the stack to be leading can be safely absorbed.
  • the telescopic rails 32 When moving in the Y direction, the telescopic rails 32 inevitably follow the movement of the traverse 22. 1 shows an initial situation in which the telescopic rails 32 are fully retracted, so that they have only the length of a single element. During the downward movement of the traverse 22 (see FIG. 3), the traverse 22 pulls the telescopic rails 32 downward or guides the movement of the traverse 22 to extend the telescopic rails 32.
  • the telescopic rails 32 or other guide elements 31 are made of high-strength and in particular rigid material. They are easy to install, so that a retrofitting of existing devices 10 is easily possible. Overall, the device 10 is designed as a module, so that this module can be easily replaced or retrofitted.
  • the collected stack 13 which is on the receptacle 12, usually a pallet, to be changed while the machine is running, ie with continuous feeding further sheets 14 from the format cutter.
  • this drives Separator 19 with its separating fingers 25 in the stack 13 and thus forms a gap 20.
  • the further incoming sheets 14 are further stacked, but on the separating fingers 25.
  • the receptacle 12 is lowered during stacking continuously in the Y direction down.
  • the separating element 19 follows this movement.
  • the stack 13 is guided on the side facing away from the inlet belt 11 side by the front stop 17.
  • the holding member 21 is then inserted, with its suction pads 23. Through the gap 20, the entire stack is in a collected stack 13, which is below the support member 21 and is to be changed, and a pre-collected stack 16 separated.
  • the continuous, flat separating table 15 is pushed into the gap 20, so that the stack 16 rests on the separation table 15.
  • the stack 13 located below the separating table 15 on the receptacle 12 can now be removed from the device 10.
  • a new empty receptacle 12 can then be guided under the separation table. During this change process, sheets 14 are continuously fed, which are stacked on the pre-collected stack 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Forming Counted Batches (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

A paper handling assembly has a belt feeding sheets of paper for collection as a stack and subsequent removal. The collection and separation bench has a rear stack movable alignment guide which advances at right angles to a notional plane running through the separation bench. An assembly captures an incoming supply of sheet paper from a conveyer belt and assembles a stack on a tray. The assembly further has a separator that subdivides the stack into a collected portion for removal, and an unfinished stack. The assembly has a holder for the unfinished stack, consisting of several elements attached to a tie-rod, and a separation bench for the unfinished stack during removal of the finished stack. The assembly further has a rear stack alignment guide. The rear guide has a movable guide that advances at right angles to a notional plane running through the separation bench.

Description

Die Erfindung befaßt sich mit einer Vorrichtung zum Stapeln eines einlaufenden Bogenstroms, insbesondere zum Stapeln von in Formatschneidern gebildeten Bögen aus Papier, Pappe, Folie oder dergleichen, umfassend ein Einlaufband für die zu stapelnden Bögen, eine Aufnahme zur Bildung eines Stapels aus den Bögen, ein Trennelement zum Trennen des Stapels in einen gesammelten und zu wechselnden Stapel einerseits und einen vorgesammelten Stapel andererseits, ein Halteelement zum Halten des vorgesammelten Stapels, das aus mehreren an einer ersten Traverse angeordneten Elementen gebildet ist, einen Trenntisch zur Aufnahme des vorgesammelten Stapels während des Stapelwechsels sowie einen vorderen Frontanschlag und einen hinteren Anrichter zum Führen und/oder Ausrichten des Stapels.The invention relates to a device for stacking an incoming sheet flow, in particular for stacking formed in format cutters sheets of paper, cardboard, foil or the like, comprising an infeed belt for the sheets to be stacked, a receptacle for forming a stack of the sheets, a Separating element for separating the stack into a collected and to be changed stack on the one hand and a pre-collected stack on the other hand, a holding element for holding the pre-collected stack, which is formed of a plurality of arranged on a first Traverse elements, a separation table for receiving the pre-collected stack during the stack change and a front front stop and a rear hopper for guiding and / or aligning the stack.

Derartige Vorrichtungen dienen z.B. bei der Papierherstellung bzw. bei der Herstellung von Formaten aus einer auf Bobinen aufgewickelten Materialbahn zum Stapeln der in einem Formatschneider gebildeten Bögen. Dabei laufen die Bögen in einem Bogenstrom über ein Einlaufband, das auch als Kickerband bezeichnet wird, in die Vorrichtung zum Stapeln und werden dort auf einer Aufnahme - üblicherweise einer Palette - gesammelt. An einem vorderen Anschlag, dem Frontanschlag, kommen die einlaufenden Bögen auf der dem Einlaufband abgewandten Seite des Stapels zur Anlage. Ein hinterer Anrichter, der auf der dem Einlaufband zugewandten Seite des Stapels angeordnet ist, dient zur Führung der Bögen auf der dem Frontanschlag gegenüberliegenden Seite sowie zum Ausrichten der Bögen. Die Palette senkt sich mit zunehmender Stapelhöhe entsprechend ab. Zum Einleiten eines Stapelwechsels bei laufender Vorrichtung bzw. bei kontinuierlich einlaufendem Bogenstrom wird ein sogenanntes Trennelement, das zweckmäßigerweise kammartig ausgebildet ist, an einer definierten Position in den Stapel der gesammelten Bögen eingeführt. In diese durch das Trennelement gebildete Lücke wird das Halteelement eingeführt, das die für das Einführen des Trenntisches erforderliche Lücke schafft. Der Trenntisch mit einer durchgehenden Tischplatte wird dann vollständig in die Lücke eingeschoben, so daß der Stapel in einen fertig gesammelten und zu wechselnden Stapel, der auf der Palette liegt, und einen vorgesammelten Stapel, der auf dem Trenntisch liegt, geteilt wird. Der fertig gesammelte Stapel kann nunmehr unter dem Trenntisch entfernt werden, so daß eine neue, leere Palette unter den Trenntisch positioniert werden kann. Durch Herausziehen des Trenntisches und des Halteelementes wird der vorgesammelte Stapel auf der neuen leeren Palette abgelegt.Such devices are used, for example, in papermaking or in the production of formats from a wound on bobbins material web for stacking the sheets formed in a format cutter. The sheets run in a sheet stream through an infeed belt, which is also referred to as a kicker belt, in the device for stacking and are there on a recording - usually a pallet - collected. At a front stop, the front stop, come the incoming sheets on the side facing away from the inlet belt of the stack to the plant. A rear hopper, which is arranged on the side facing the inlet belt of the stack, serves to guide the sheets on the opposite side of the front stop and for aligning the sheets. The pallet lowers as the stack height increases. To initiate a stack change while the device is running or when continuously streaming arc, a so-called separation element, which is suitably comb-like, is introduced at a defined position in the stack of collected sheets. In this gap formed by the separating element, the holding element is introduced, which creates the gap required for the insertion of the separating table. The separation table with a continuous tabletop is then fully inserted into the gap, so that the stack is divided into a completely collected and to be changed stack, which lies on the pallet, and a pre-collected stack, which lies on the separation table. The finished stack can now be removed under the separation table, so that a new, empty pallet can be positioned under the separation table. By pulling out the separating table and the holding element, the pre-collected stack is placed on the new empty pallet.

Derartige Vorrichtungen weisen jedoch den Nachteil auf, daß der Stapel mit den vorgesammelten Bögen, also der auf dem Trenntisch befindliche Stapel, beim Wechsel - genauer beim Herausziehen des Trenntisches - zumindest auf der dem Einlaufband zugewandten Seite des Stapels quasi führungslos ist, da sich der Anrichter lediglich im oberen Kantenbereich des Stapels erstreckt. Dadurch kommt es insbesondere beim Stapeln von Bögen bzw. Stapelwechsel fertiger voller Stapel aus Bögen z.B. aus Papier, Karton oder dergleichen zum Verrutschen des vorgesammelten Stapels insbesondere im Bereich der dem Einlaufband zugewandten Seite des Stapels.However, such devices have the disadvantage that the stack with the pre-collected sheets, so the stack located on the separation table when changing - more precisely when pulling out of the separation table - at least on the inlet belt facing side of the stack is virtually ineffective, since the installer extends only in the upper edge region of the stack. This results in particular in the stacking of sheets or stack change finished stack full of sheets, e.g. from paper, cardboard or the like for slipping the pre-collected stack, in particular in the region of the inlet band facing side of the stack.

Aus der US 6,481,952 B2 ist eine Vorrichtung zum Stapeln eines einlaufenden Bogenstroms bekannt, bei der die Trennung der Stapel in vertikaler Richtung durch einen eingeführten Finger erfolgt. Eine weitere Führung der Stapel zur Stabilisierung derselben ist dort nicht vorgesehen.From US 6,481,952 B2 a device for stacking an incoming sheet flow is known, in which the separation of the stack takes place in the vertical direction by an inserted finger. Another guide the stack to stabilize the same is not provided there.

Es ist daher Aufgabe der Erfindung, eine Vorrichtung zu schaffen, die eine sichere Führung des vorgesammelten Stapels insbesondere während des Stapelwechsels gewährleistet.It is therefore an object of the invention to provide a device which ensures a secure guidance of the pre-collected stack, in particular during the stack change.

Diese Aufgabe wird durch eine Vorrichtung der eingangs genannten Art dadurch gelöst, daß der Anrichter ein senkrecht zu einer durch den Trenntisch aufgespannten Ebene bewegbares Führungselement umfaßt. Dadurch ist eine kontinuierliche Führung des vorgesammelten Stapels - auch während des Stapelwechsels - gewährleistet, da das Führungselement variabel an den stetig anwachsenden, vorgesammelten Stapel angepaßt wird. Durch das Schaffen einer sogenannten nachlaufenden bzw. mitlaufenden Führung wird die Aufgabe durch eine besonders effektive Weise gelöst.This object is achieved by a device of the type mentioned above in that the operator comprises a perpendicular to a plane spanned by the separation table level guide member. This ensures a continuous guidance of the pre-collected stack - even during the stack change - because the guide element is variably adapted to the steadily growing, pre-collected stack. By creating a so-called trailing or tracking guide, the problem is solved by a particularly effective manner.

Vorteilhafterweise ist das Führungselement aus mehreren beabstandet zueinander angeordneten Teleskopschienen gebildet. Dadurch ist auf besonders einfache und sichere Weise eine Führung möglich, da sich die Teleskopschienen der Höhe des Stapels kontinuierlich anpassen.Advantageously, the guide element is formed from a plurality of spaced-apart telescopic rails. As a result, a guide is possible in a particularly simple and secure manner, since the telescopic rails continuously adjust the height of the stack.

In einer bevorzugten Weiterbildung der Erfindung sind die Teleskopschienen durch Bewegung der ersten Traverse senkrecht zur Ebene zwangsläufig ausfahrbar bzw. einfahrbar. Durch diese Ausbildung ist eine vollständige Führung des vorgesammelten Stapels während des gesamten Wechselvorgangs sichergestellt. Die Führung erfolgt stets in dem Bereich des Stapels, der beim Wechsel eines Stapels besonders empfindlich für ein Verrutschen oder Verschieben ist.In a preferred embodiment of the invention, the telescopic rails are by extension of the first traverse perpendicular to the plane necessarily retractable or retractable. This design ensures complete guidance of the pre-collected stack during the entire change process. The guide is always in the region of the stack, which is particularly sensitive to slipping or shifting when changing a stack.

Weitere Merkmale und Ausführungsformen ergeben sich aus den Unteransprüchen und der Beschreibung. Eine besonders bevorzugte Ausführungsform wird anhand einer Zeichnung näher erläutert. In der Zeichnung zeigt:

Fig. 1
eine perspektivische Ansicht der Vorrichtung in einem Zustand unmittelbar nach dem Einleiten eines Wechselvorgangs eines gesammelten Stapels mit eingefahrenen Teleskopschienen,
Fig. 2
eine Seitenansicht der Vorrichtung gemäß Figur 1,
Fig. 3
eine perspektivische Ansicht der Vorrichtung unmittelbar vor dem Ablegen des vorgesammelten Stapels auf eine leere Palette mit ausgefahrenen Teleskopschienen, und
Fig. 4
eine Seitenansicht der Vorrichtung gemäß Figur 3.
Further features and embodiments will become apparent from the dependent claims and the description. A particularly preferred embodiment will be explained in more detail with reference to a drawing. In the drawing shows:
Fig. 1
a perspective view of the device in a state immediately after initiating a change operation of a collected stack with retracted telescopic rails,
Fig. 2
a side view of the device according to Figure 1,
Fig. 3
a perspective view of the device immediately before placing the pre-collected stack on an empty pallet with extended telescopic rails, and
Fig. 4
a side view of the device according to FIG. 3

Die in den Figuren 1 bis 4 gezeigte Vorrichtung dient insbesondere zum Stapeln von bogenförmigem Material sowie zum Wechseln eines Stapels bei kontinuierlich einlaufendem Bogenstrom.The device shown in FIGS. 1 to 4 serves, in particular, for stacking sheet-like material and for changing a stack in the case of a continuous stream of sheets.

Die in Figur 1 gezeigte Vorrichtung 10 stellt wesentliche Teile einer automatischen Großformatablage dar, die als Modul Teil eines (nicht dargestellten) Großformatschneiders ist. Die Vorrichtung 10 umfaßt im wesentlichen ein Einlaufband 11 zur Zuführung eines aus Bögen 14 gebildeten Bogenstroms zu einer Aufnahme 12, auf der die Bögen 14 zu einem Stapel 13 gesammelt werden, einen Trenntisch 15 zur Aufnahme eines vorgesammelten Stapels 16, einen vorderen Frontanschlag 17 sowie einen hinteren Anrichter 18 zum Führen, Halten und oder Ausrichten des Stapels 13 bzw. des vorgesammelten Stapels 16, ein Trennelement 19 zum Trennen des gesammelten Stapels 13 in den zu wechselnden Stapel 13 und den vorgesammelten Stapel 16 bzw. zum Schaffen einer Lücke 20 im Stapel 13, ein Halteelement 21 zum Halten des vorgesammelten Stapels 16 sowie zum Erhalten der Lücke 20, wobei das Halteelement 21 aus einer Traverse 22 und daran angeordneten Saugschuhen 23 gebildet ist. Die Saugschuhe 23 können aber auch durch andere übliche Halte- und/oder Auflagemittel ersetzt werden.The apparatus 10 shown in FIG. 1 represents essential parts of an automatic large-format tray, which as a module is part of a large format cutter (not shown). The device 10 essentially comprises an infeed belt 11 for Feeding a sheet flow formed from sheets 14 to a receptacle 12 on which the sheets 14 are collected to a stack 13, a separation table 15 for receiving a pre-collected stack 16, a front front stop 17 and a rear hopper 18 for guiding, holding and or aligning of the stack 13 or of the pre-collected stack 16, a separating element 19 for separating the collected stack 13 into the stack 13 to be changed and the pre-collected stack 16 or for creating a gap 20 in the stack 13, a holding element 21 for holding the pre-collected stack 16 and for obtaining the gap 20, wherein the holding member 21 is formed of a traverse 22 and suction pads 23 arranged thereon. The suction shoes 23 can also be replaced by other conventional holding and / or support means.

Das Trennelement 19 weist einen Träger 24 auf, an dem mehrere Trennfinger 25 angeordnet sind. Der Träger 24 mit den Trennfingern 25 ist sowohl in Transportrichtung des Bogenstroms (siehe Pfeil A in Figuren 1 und 3), also in Richtung der dargestellten X-Koordinate, als auch in einer Richtung senkrecht zu der durch den Trenntisch 15 aufgespannten Ebene 26 (X-/Z-Ebene), also in Richtung der dargestellten Y-Koordinate, bewegbar. Gleiches gilt für den Trenntisch 15, der flächig und geschlossen ausgebildet ist. Der Frontanschlag 17 ist ebenfalls in Richtung senkrecht zur Ebene 26 auf und ab bewegbar ausgebildet, allerdings in einem Bereich der Oberkante des Stapels 13 bzw. 16.The separating element 19 has a carrier 24, on which a plurality of separating fingers 25 are arranged. The carrier 24 with the separating fingers 25 is both in the transport direction of the sheet flow (see arrow A in Figures 1 and 3), ie in the direction of the X-coordinate shown, as well as in a direction perpendicular to the plane defined by the separation table 15 level 26 (X - / Z-plane), ie in the direction of the Y-coordinate shown, movable. The same applies to the separation table 15, which is formed flat and closed. The front stop 17 is likewise designed to be movable up and down in the direction perpendicular to the plane 26, but in a region of the upper edge of the stack 13 or 16.

Die Traverse 22 erstreckt sich quer zur Transportrichtung des Bogenstroms. Auf der dem Frontanschlag 17 zugewandten Seite der Traverse 22 sind mehrere Saugschuhe 23 beabstandet zueinander angeordnet. Die Traverse 22 ist ebenso wie das Trennelement 19 in Transportrichtung (X-Richtung) hin- und her- und in vertikaler Richtung (in Y-Richtung) auf- und ab bewegbar. Die Saugschuhe 23 verfügen über Auflagen 27, die zur Auflage des vorgesammelten Stapels 16 aber auch als Einführhilfe dienen. Neben der gezeigten Ausführungsform kann das Halteelement 21 aber auch aus anderen üblichen Halte- und Führungselementen gebildet sein.Traverse 22 extends transversely to the transport direction of the sheet flow. On the front stop 17 facing side of the crossbar 22 a plurality of suction shoes 23 are spaced from each other. The traverse 22 as well as the separating element 19 in the transport direction (X direction) back and forth and in the vertical direction (in the Y direction) up and down movable. The suction shoes 23 have pads 27, which serve to support the pre-collected stack 16 but also as an insertion. In addition to the embodiment shown, the retaining element 21 may also be formed from other conventional holding and guiding elements.

Der hintere Anrichter 18 ist aus mehreren flächigen Andrückblechen 28 oder dergleichen gebildet. Die Andrückbleche 28 sind über (nicht dargestellte) Betätigungselemente oszillierend in Transportrichtung (X-Richtung) hin und her bewegbar. In Y-Richtung erstrecken sich die Andrückbleche 28 lediglich über einen geringen Bereich, ausgehend von einer Oberkante 29 des Stapels 16. Mittels der Andrückbleche 28 werden zweckmäßigerweise die gerade auf den Stapel 13 bzw. 16 einlaufenden Bögen 14 ausgerichtet und geführt. Vorzugsweise beträgt der Verfahrweg der Andrückbleche 28 in X-Richtung etwa ± 2mm.The rear hopper 18 is formed of a plurality of flat Andrückblechen 28 or the like. The pressure plates 28 are over (not shown) Actuators oscillating in the transport direction (X direction) back and forth. In the Y direction, the pressure plates 28 only extend over a small area, starting from an upper edge 29 of the stack 16. By means of the pressure plates 28, the sheets 14 which are just entering the stack 13 or 16 are expediently aligned and guided. Preferably, the travel of the Andrückbleche 28 in the X direction is about ± 2mm.

Im Bereich des Einlaufbandes 11 ist eine weitere Traverse 30 angeordnet, die fest z.B. am (nicht dargestellten) Gestell der Vorrichtung 10 befestigt ist. An der ortsfesten Traverse 30 ist ein Führungselement 31 angeordnet. Das Führungselement 31 ist bewegbar ausgebildet, und zwar derart, daß es rolloartig in Y-Richtung auf- und abbewegbar senkrecht zur Ebene 26 verstellbar ist. Hierzu sind mehrere das Führungselement 31 bildende Teleskopschienen 32 mit einem freien Ende an der Traverse 30 befestigt. Die Befestigung kann lösbar oder auch fest ausgebildet sein. In der gezeigten Ausführungsform dienen Stege 33 zur steifen Verbindung zwischen Teleskopschienen 32 und Traverse 30. Alternativ zu den Teleskopschienen 32 können jedoch auch andere bewegbare Mittel, wie z.B. Rollenelemente, ausziehbare Elemente oder dergleichen zur Bildung des Führungselementes 31 dienen.In the region of the infeed belt 11, a further traverse 30 is arranged, which is fixed, e.g. is attached to the (not shown) frame of the device 10. At the stationary cross member 30, a guide member 31 is arranged. The guide element 31 is designed to be movable, in such a way that it can be moved up and down in the Y-direction vertically up to the plane 26 is adjustable. For this purpose, a plurality of the guide member 31 forming telescopic rails 32 are attached to the traverse 30 with a free end. The attachment can be detachable or fixed. In the illustrated embodiment, webs 33 provide a rigid connection between telescoping rails 32 and crossmember 30. However, as an alternative to telescoping rails 32, other movable means, e.g. Roller elements, extendable elements or the like to form the guide element 31 serve.

Die Teleskopschienen 32 sind beabstandet zueinander angeordnet, und zwar in den Abständen bzw. Zwischenräumen zwischen den einzelnen Andrückblechen 28 des Anrichters 18. Sie sind aus mehreren ineinander verschieblichen Elementen gebildet, wobei die einzelnen Elemente über Gleitführungen, Kugelführungen oder andere übliche Lagerungen bzw. Führungen ineinander gelagert und linear in ihrer Längserstreckung ausfahrbar bzw. einfahrbar sind. Die Teleskopschienen 32 sind mit dem anderen freien Ende, genauer mit dem jeweils untersten, inneren Element an der Traverse 22 befestigt. Die Verbindung ist z.B. aus einem Bolzen 34 mit einer korrespondierenden Hülse 35 gebildet. Diese auch durch andere übliche Führungs-und/oder Gleitelemente zu bildende Gleitverbindung ist derart ausgestaltet, daß die Traverse 22 mit den daran angeordneten Saugschuhen 23 in X-Richtung bewegbar ist, während die Teleskopschienen 32 dieser Bewegung nicht folgen sondern in X-Richtung ortsfest sind. Insbesondere zur Verbesserung der Stabilität können die jeweils untersten Elemente jeder Teleskopschiene 32 an einer zusätzlichen (nicht dargestellten) Traverse befestigt sein. Hierzu sind die jeweils untersten Elemente der Teleskopschienen 32 vorzugsweise lösbar durch Verschraubung oder dergleichen an Unterstützungsblechen befestigt. Die Unterstützungsbleche ragen im wesentlichen horizontal von den untersten Elementen der Teleskopschienen 32 in Richtung der zusätzlichen Traverse, an der sie vorzugsweise lösbar befestigt sind. Die zusätzliche Traverse verläuft im wesentlichen parallel zur Traverse 22 und ist beabstandet zu dieser in Transportrichtung A des Bogenstroms vor der Traverse 22 angeordnet. Die zusätzliche Traverse ist in X-Richtung ortsfest und vorzugsweise synchron mit der Traverse 22 in Y-Richtung auf-und abbewegbar. Die Unterstützungsbleche ragen also in den Bereich der Saugschuhe 23, nämlich insbesondere in die Zwischenräume zwischen den Saugschuhen 23. Diese zusätzliche Befestigung führt dazu, daß die Teleskopschienen 32 jeweils am obersten Element (mit der Traverse 30) und am untersten Element (mit der zusätzlichen Traverse) fest verbunden sind, so daß die durch die Auf- und Abbewegung sowie den zu führenden Stapel auftretenden Kräfte sicher aufgenommen werden können.The telescopic rails 32 are spaced from each other, in the intervals or intervals between the individual Andrückblechen 28 of the pantry 18. They are formed of several mutually displaceable elements, wherein the individual elements via sliding guides, ball guides or other conventional bearings or guides into each other stored and linear in their longitudinal extension extendable or retractable. The telescopic rails 32 are attached to the other free end, more precisely to the respective lowermost, inner element on the traverse 22. The connection is formed, for example, from a bolt 34 with a corresponding sleeve 35. This also by other conventional guide and / or sliding elements to be formed sliding connection is designed such that the cross member 22 is movable with the suction pads 23 arranged thereon in the X direction, while the telescopic rails 32 do not follow this movement but are stationary in the X direction , In particular, in order to improve the stability, the respective lowermost elements of each telescopic rail 32 can be attached to an additional crossbeam (not shown) be attached. For this purpose, the respective lowest elements of the telescopic rails 32 are preferably releasably secured by screwing or the like to support sheets. The support plates protrude substantially horizontally from the lowermost elements of the telescopic rails 32 in the direction of the additional traverse, to which they are preferably releasably attached. The additional traverse extends substantially parallel to the traverse 22 and is spaced from this arranged in the transport direction A of the arc flow in front of the traverse 22. The additional traverse is stationary in the X direction and preferably moved up and down in synchrony with the traverse 22 in the Y direction. The support plates thus protrude into the region of the suction shoes 23, namely in particular in the intermediate spaces between the suction shoes 23. This additional attachment causes the telescopic rails 32 respectively at the topmost element (with the crossbar 30) and at the lowermost element (with the additional traverse ) are firmly connected, so that the forces occurring due to the up and down movement and the stack to be leading can be safely absorbed.

Bei der Bewegung in Y-Richtung folgen die Teleskopschienen 32 der Bewegung der Traverse 22 zwangsläufig. In der Figur 1 ist eine Ausgangssituation dargestellt, in der die Teleskopschienen 32 vollständig eingefahren sind, so daß sie nur die Länge eines einzelnen Elementes aufweisen. Bei der Abwärtsbewegung der Traverse 22 (siehe Figur 3) zieht die Traverse 22 die Teleskopschienen 32 mit nach unten bzw. führt die Bewegung der Traverse 22 zum Ausfahren der Teleskopschienen 32.When moving in the Y direction, the telescopic rails 32 inevitably follow the movement of the traverse 22. 1 shows an initial situation in which the telescopic rails 32 are fully retracted, so that they have only the length of a single element. During the downward movement of the traverse 22 (see FIG. 3), the traverse 22 pulls the telescopic rails 32 downward or guides the movement of the traverse 22 to extend the telescopic rails 32.

Die Teleskopschienen 32 oder auch andere Führungselemente 31 sind aus hochfestem und insbesondere steifem Material hergestellt. Sie sind auf einfache Weise zu montieren, so daß auch eine Nachrüstung bestehender Vorrichtungen 10 leicht möglich ist. Insgesamt ist die Vorrichtung 10 als Modul ausgebildet, so daß dieses Modul einfach ausgetauscht bzw. nachgerüstet werden kann.The telescopic rails 32 or other guide elements 31 are made of high-strength and in particular rigid material. They are easy to install, so that a retrofitting of existing devices 10 is easily possible. Overall, the device 10 is designed as a module, so that this module can be easily replaced or retrofitted.

Im folgenden wird ein Wechselvorgang beschrieben:
Ausgehend von einem in Figur 1 dargestellten Zustand soll der gesammelte Stapel 13, der auf der Aufnahme 12, üblicherweise einer Palette, liegt, bei laufender Maschine, d.h. bei kontinuierlichem Zuführen weiterer Bögen 14 aus dem Formatschneider, gewechselt werden. Sobald der Stapel 13 eine definierte Höhe erreicht hat, fährt das Trennelement 19 mit seinen Trennfingern 25 in den Stapel 13 und bildet so eine Lücke 20. Die weiter einlaufenden Bögen 14 werden weiter gestapelt, allerdings auf den Trennfingern 25. Die Aufnahme 12 senkt sich während des Stapelns kontinuierlich in Y-Richtung nach unten. Das Trennelement 19 folgt dieser Bewegung. Der Stapel 13 wird auf der dem Einlaufband 11 abgewandten Seite durch den Frontanschlag 17 geführt. Auf der dem Einlaufband 11 zugewandten Seite wird der Stapel 13 zumindest in einem Bereich der Oberkante 29 durch den Anrichter 18, nämlich die Andrückbleche 28 geführt, die durch ihre oszillierende Bewegung zusätzlich für ein Ausrichten der neu einlaufenden Bögen 14 sorgen. Bei der weiteren Abwärtsbewegung übernimmt zunächst das oberste Element der Teleskopschienen 32 die Führung des Anrichters 18.The following describes a swap operation:
Starting from a state shown in Figure 1, the collected stack 13, which is on the receptacle 12, usually a pallet, to be changed while the machine is running, ie with continuous feeding further sheets 14 from the format cutter. As soon as the stack 13 has reached a defined height, this drives Separator 19 with its separating fingers 25 in the stack 13 and thus forms a gap 20. The further incoming sheets 14 are further stacked, but on the separating fingers 25. The receptacle 12 is lowered during stacking continuously in the Y direction down. The separating element 19 follows this movement. The stack 13 is guided on the side facing away from the inlet belt 11 side by the front stop 17. On the inlet belt 11 side facing the stack 13 is guided at least in a region of the upper edge 29 by the operator 18, namely the Andrückbleche 28, which additionally provide by their oscillating movement for aligning the newly incoming sheets 14. In the further downward movement initially takes the top element of the telescopic rails 32, the leadership of the pantry 18th

In die durch das Trennelement 19 geschaffenen Lücke 20 wird dann das Halteelement 21 eingeschoben, und zwar mit seinen Saugschuhen 23. Durch die Lücke 20 ist der gesamte Stapel in einen gesammelten Stapel 13, der sich unterhalb des Halteelementes 21 befindet und gewechselt werden soll, und einen vorgesammelten Stapel 16 getrennt. Sobald das Halteelement 21 eingeführt ist, wird der durchgehende, flächige Trenntisch 15 in die Lücke 20 geschoben, so daß der Stapel 16 auf dem Trenntisch 15 aufliegt. Der sich unterhalb des Trenntisches 15 auf der Aufnahme 12 befindliche Stapel 13 kann nun aus der Vorrichtung 10 entfernt werden. Eine neue leere Aufnahme 12 kann dann unter den Trenntisch geführt werden. Während dieses Wechselvorganges werden kontinuierlich Bögen 14 nachgeführt, die auf dem vorgesammelten Stapel 16 gestapelt werden. Dieser wird mit dem Trenntisch 15 kontinuierlich nach unten in Y-Richtung gesenkt, um die Einlaufhöhe für die Bögen 14 stets konstant zu halten. Zusammen mit dem Trenntisch 15 senkt sich auch die Traverse 22 ab (siehe Figur 3). Dabei zieht die Traverse 22 die Teleskopschienen 32 mit nach unten bzw. führt zu deren Ausfahren, so daß der vorgesammelte Stapel 16 nicht nur durch den Frontanschlag 17 an der Vorderseite sondern auch durch das Führungselement 31 während des gesamten Wechselvorgangs an der Rückseite geführt ist. Gerade beim Herausziehen des Trenntisches 15 wird die Führung des vorgesammelten Stapels 16 auf beiden Seiten aufrechterhalten, so daß der auf der neuen Aufnahme 12 abgelegte Stapel 16, der im nächsten Zyklus zum Stapel 13 wird, seine ideale "Eisblockform" behält. Nachdem auch noch das Halteelement 21 aus dem Stapel 13 bzw. 16 herausgezogen wurde, kann der Wechselzyklus von neuem gestartet werden.In the created by the partition member 19 gap 20, the holding member 21 is then inserted, with its suction pads 23. Through the gap 20, the entire stack is in a collected stack 13, which is below the support member 21 and is to be changed, and a pre-collected stack 16 separated. Once the holding member 21 is inserted, the continuous, flat separating table 15 is pushed into the gap 20, so that the stack 16 rests on the separation table 15. The stack 13 located below the separating table 15 on the receptacle 12 can now be removed from the device 10. A new empty receptacle 12 can then be guided under the separation table. During this change process, sheets 14 are continuously fed, which are stacked on the pre-collected stack 16. This is lowered continuously with the separation table 15 down in the Y direction in order to always keep the entry height for the sheets 14 constant. Together with the separation table 15, the traverse 22 is lowered (see Figure 3). In this case, the cross member 22 pulls the telescopic rails 32 down with or leads to their extension, so that the pre-collected stack 16 is guided not only by the front stop 17 on the front but also by the guide member 31 during the entire change process on the back. Especially when pulling out of the separating table 15, the guidance of the pre-collected stack 16 is maintained on both sides, so that the stored on the new receptacle 12 stack 16, which is in the next cycle to the stack 13, retains its ideal "ice block shape". After also the retaining element 21 has been pulled out of the stack 13 or 16, the change cycle can be started again.

Claims (8)

  1. Device for stacking an incoming sheet stream, in particular for stacking sheets (14) made from paper, cardboard, foil or the like, formed in size cutters, comprising a feed belt (11) for the sheets (14) to be stacked, a receiver (12) to form a stack (13) from the sheets (14), a separating element (19) for separating the stack (13) into a collected stack (13) to be changed on the one hand and a pre-collected stack (16) on the other hand, a holding element (21) for holding the pre-collected stack (16), which is formed from several elements arranged on a first crossbeam (22), a separating table (15) to receive the pre-collected stack (16) during the stack change and a forward front stop (17) and a rear aligning element (18) for guiding and/or aligning the stack (13 or 16), characterised in that the aligning element (18) comprises a guide element (31) which can be moved vertically to a plane (26) set by the separating table (15).
  2. Device according to claim 1, characterised in that the guide element (31) is formed from several telescoping rails (32) arranged at a distance from one another.
  3. Device according to claim 2, characterised in that the telescoping rails (32) can be moved out or moved in linearly in the direction of their longitudinal axes.
  4. Device according to claim 2 or 3, characterised in that the telescoping rails (32) are attached in each case in the region of the feed belt (11) to a second crossbeam (30) at one free end and to the first crossbeam (22) by the other free end.
  5. Device according to claim 4, characterised in that the telescoping rails (32) can be moved out or moved in inevitably by moving the first crossbeam (22) vertically to the plane (26).
  6. Device according to claim 4 or 5, characterised in that the telescoping rails (32) are attached firmly to the second crossbeam (30) and moveably to the first crossbeam (22) such that the first crossbeam (22) can be moved back and forth in transport direction, whereas the telescoping rails (32) are fixed.
  7. Device according to claim 6, characterised in that the connection between the telescoping rails (32) and the first crossbeam (22) is formed in each case from a bolt (34) with corresponding sleeve (35).
  8. Device according to one of claims 1 to 8, characterised in that it is designed as a replaceable and/or retrofittable module.
EP04090049A 2003-02-14 2004-02-13 Device for stacking a stream of incoming sheets Revoked EP1447362B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10307785A DE10307785A1 (en) 2003-02-14 2003-02-14 Device for stacking an incoming stream of sheets
DE10307785 2003-02-14

Publications (2)

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EP1447362A1 EP1447362A1 (en) 2004-08-18
EP1447362B1 true EP1447362B1 (en) 2006-05-17

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EP04090049A Revoked EP1447362B1 (en) 2003-02-14 2004-02-13 Device for stacking a stream of incoming sheets

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US (1) US20040251587A1 (en)
EP (1) EP1447362B1 (en)
JP (1) JP2004244222A (en)
CN (1) CN1533974A (en)
AT (1) ATE326419T1 (en)
BR (1) BRPI0400541A (en)
DE (2) DE10307785A1 (en)
ES (1) ES2262089T3 (en)
PL (1) PL365235A1 (en)
PT (1) PT1447362E (en)

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CN105438807B (en) * 2015-11-16 2018-03-06 宜昌金海科技股份有限公司 Cardboard is transported at a high speed and negative pressure dehumidifying production line
JP2017100828A (en) * 2015-11-30 2017-06-08 ニスカ株式会社 Sheet alignment device, image formation system and sheet post-processing device
DE102016224408A1 (en) * 2016-12-07 2018-06-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Arch-tray assembly
CN107720378B (en) * 2017-10-27 2023-08-11 四川卡库机器人科技有限公司 Packaging bag stacking device
CN109365151B (en) * 2018-11-20 2023-06-23 青岛科技大学 Device and method for cleaning centrifugal disc of latex centrifuge

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Also Published As

Publication number Publication date
PT1447362E (en) 2006-09-29
US20040251587A1 (en) 2004-12-16
BRPI0400541A (en) 2004-12-28
ES2262089T3 (en) 2006-11-16
DE502004000549D1 (en) 2006-06-22
ATE326419T1 (en) 2006-06-15
DE10307785A1 (en) 2004-08-26
PL365235A1 (en) 2004-08-23
EP1447362A1 (en) 2004-08-18
JP2004244222A (en) 2004-09-02
CN1533974A (en) 2004-10-06

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