EP1527007A1 - Method and device for stacking sheet material - Google Patents

Method and device for stacking sheet material

Info

Publication number
EP1527007A1
EP1527007A1 EP03766368A EP03766368A EP1527007A1 EP 1527007 A1 EP1527007 A1 EP 1527007A1 EP 03766368 A EP03766368 A EP 03766368A EP 03766368 A EP03766368 A EP 03766368A EP 1527007 A1 EP1527007 A1 EP 1527007A1
Authority
EP
European Patent Office
Prior art keywords
stacker
stripper
stacker wheel
stacking
stack
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.)
Granted
Application number
EP03766368A
Other languages
German (de)
French (fr)
Other versions
EP1527007B1 (en
Inventor
Karl-Heinz Leuthold
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.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
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 Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP1527007A1 publication Critical patent/EP1527007A1/en
Application granted granted Critical
Publication of EP1527007B1 publication Critical patent/EP1527007B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40—Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/426—Forming batches
    • 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
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Definitions

  • the invention relates to a method for stacking sheet material and a spiral stacker, in particular for use in a banknote processing device.
  • the banknotes are generally separated in a stack and guided past a sensor device by means of a transport path.
  • the individual banknotes are checked by sensors of the sensor device and fed to specific destinations or stacker units depending on the test result.
  • a plurality of sensors can be provided for checking the banknotes, which assess the banknotes according to different criteria.
  • the stacker In connection with the solution, in which the already isolated banknotes are temporarily stored in the stacker itself, the stacker is designed as a spiral Technical stackers executed, as described for example in DE-OS 3232348.
  • the stripper for moving out the banknotes accommodated in the compartments of the stacker wheel is designed to be movable, so that it can be moved out of the stacker wheel or into the stacker wheel.
  • the components work together in such a way that the movable stripper pulls the hundredth banknote onto the stacking tray as it moves out of the stacker wheel and the banknotes located in the next compartments of the stacker remain in the stacker wheel.
  • the stacker wheel continues to rotate and picks up the banknotes that were already isolated at the time of the interruption. As soon as the stacking tray is emptied and ready for stacking a next stack of banknotes, the stripper is moved back into the stacker wheel. The stacking process is then continued in the usual way.
  • the stripper In order to prevent the stripper from colliding with the banknotes located in it when returning to the stacker wheel or that the stacker wheel must be stopped to avoid such a collision, the stripper is designed at least in two parts, only a first part in the manner described is moved out of the stacker wheel. At the moment when the first part of the stripper is moved out of the stacker wheel, the second part of the stripper is also released from its stripping position. The second part of the stripper is also movable. However, it is not moved out of the stacker wheel but rotates with the stacker wheel after it has been released from the stripping position. In the meantime, further bank notes are fed to the stacker wheel, so that the transfer of bank notes to the transport system of the bank note processing machine does not have to be interrupted.
  • the second part of the stripper rotates with the stacker wheel until the stacking tray is ready to receive a next stack of banknotes and the second part of the stripper has reached its stripping position again. It is then locked again in the stripping position, the stacker wheel still rotating. There- is achieved in that the bank notes located in the stacker wheel are stripped from the stacker wheel by the second part of the stripper from the moment they are locked and are stacked on the stacking tray. Now the first part of the stripper can be moved back to the stripping position in the same way it was moved out of the stacker wheel. A collision with the banknotes located in the stacker wheel is impossible, since in this phase the second part of the stripper will strip them out of the stacker wheel.
  • the second part of the stripper which rotates with the stacker wheel, is returned to its stripping position and locked against the direction of rotation of the stacker wheel.
  • This has the advantage that it does not lead past the banknote supply point and accordingly the supply of further banknotes to the stacker wheel is not blocked.
  • this second embodiment is only practical if the second part of the stripper has not yet moved too far away from the stacking shelf, since the banknotes, while moving back the second stripping part, stripped out of the compartments, but would then no longer be reliably stacked onto the stacking shelf. It is therefore important in this embodiment that the stacking tray is prepared as quickly as possible for the next stack of banknotes to be stacked.
  • the second part of the stripper that is moved along can already be moved back into its stripping-off position, the banknotes located in the intermediate compartments of the stacker wheel being slipped onto the auxiliary stacking tray.
  • the first part of the scraper moved out of the stacker wheel is then moved back into the stacker wheel.
  • the stacking process is then continued in the usual way.
  • the auxiliary stacking station and the stacking station are preferably designed in a rake-like manner such that they can be brought to the same level when the stack of stacked banknotes has been removed from the stacking station.
  • Figures 2a and 2b a second embodiment of the invention and Figures 3a and 3b, a third embodiment of the invention.
  • Figures la and ld show a spiral stacker of a banknote processing machine at different times of operation.
  • the banknote processing machine not shown in detail here is otherwise constructed as described in DE 4437722 AI, including transport systems, switches, sensors and the like.
  • the spiral compartment stacker described below is also suitable in other devices for stacking sheet material.
  • the spiral compartment stacker has a stacker wheel 1 with compartments spirally arranged one behind the other around an axis of rotation. The direction of rotation of the stacker wheel is indicated by an arrow.
  • Bank notes 98 to 104 are successively fed to the stacker wheel 1.
  • FIG. 1 a shows the spiral compartment stacker 1 at the moment the bank note 104 is fed.
  • a stripper 2 engages the spiral stacker in the usual way.
  • the compartments receiving the banknotes are formed by juxtaposed, spaced-apart stacker wheel fingers 3, between which the stripper 2 engages with suitably adapted, juxtaposed stripping fingers.
  • the spiral compartment stacker is shown schematically in section in FIG. 1 a, so that only one stripping finger and one stacker wheel finger plane are shown.
  • the stacking process is interrupted so that the banknote stack 5 can be removed from the stacking tray 4 before the next stack of banknotes is stacked.
  • the stripper 2 as described in DE 4437 722 AI, is moved out of the stacker wheel 1 in a very specific way, so that the hundredth banknote 100 is just stripped from the stacker wheel 1 onto the banknote stack 5, as in FIG. 1b indicated. ,
  • the movement of the stripper part 2a is correlated by suitable measures with the rotation of the stacker wheel 1 in such a way that the desired purpose of just stripping out a certain banknote and leaving the next banknote in the stacker wheel is achieved.
  • the spreading part 2a can have a separate, electronically controlled drive or can be mechanically coupled to a contour disk, as described in DE 4437722 AI.
  • a not shown locking of the second part 2b of the stripper 2 to fix it in the stripping position shown in Figure la is released at the moment when the first part 2a of the stripper 2 is moved out of the stacker wheel 1.
  • a separate drive can be provided.
  • the stripper is connected to the drive shaft of the stacker wheel 1 via a coupling (not shown) and locked in its stripping position by means of a release mechanism or released after the hundredth banknote has been stripped out, so that it rotates synchronously with the stacker wheel 1.
  • the clutch can also be designed as an electrically actuable magnetic clutch.
  • FIG. 1c shows the stacker wheel 1 with the rotating part 2b of the stripper 2 and the first part 2a of the stripper 2 which has been completely moved out of the stacker wheel 1 after the hundredth banknote 100 has been stripped onto the banknote stack 5.
  • the loosest banknote 106 has already been brought up to the stacker wheel 1.
  • the stack of banknotes 5 is now removed from the stacking station 4 in order to prepare the stacking station for receiving the next stack of banknotes.
  • the stacker wheel 1 continues to rotate until the second part 2b of the stripper 2 has reached the stripping position according to FIG. This is shown in Figure ld. Since, in the meantime, further bank notes 107 to 112 are fed to the stacker wheel 1, there are individual bank notes Fan the stacker wheel 1 two or possibly more banknotes when the second part 2b of the stripper 2 has reached its stripping position again.
  • the second part 2b of the stripper 2 is then locked again in the stripping position, so that the banknotes located in the compartments of the stacker wheel are stripped onto the stacking tray 4 in the usual way by the second part 2b of the stripper 2. Now the first part 2a of the stripper 2 can also be moved back into the stripping position. There can be no collision with the banknotes located in the stacker wheel, since these are now stripped by the second part 2b of the stripper 2. In particular, the stacker wheel 1 does not need to be stopped when the first part 2a of the stripper 2 is moved back into the stripping position.
  • FIGS. 2a and 2b show a second embodiment of the spiral compartment stacker, which in principle functions in exactly the same way as the embodiment previously described with reference to FIGS. 1a to 1d.
  • Figure 2a shows the stacker wheel 1 at the same time as Figure lc. The procedure is identical in this respect.
  • FIGS. 2a and 2b show a second embodiment of the spiral compartment stacker, which in principle functions in exactly the same way as the embodiment previously described with reference to FIGS. 1a to 1d.
  • Figure 2a shows the stacker wheel 1 at the same time as Figure lc. The procedure is identical in this respect.
  • FIGS. 2a and 2b show a second embodiment of the spiral compartment stacker, which in principle functions in exactly the same way as the embodiment previously described with reference to FIGS. 1a to 1d.
  • Figure 2a shows the stacker wheel 1 at the same time as Figure lc. The procedure is identical in this respect.
  • the stacking tray 4 and the auxiliary stacking tray 6 are preferably designed like a comb.
  • the stacking tray 4 with the banknote stack 5 is lowered so that the auxiliary stacking system 6 can be positioned above it.
  • the stack of banknotes 5 After the stack of banknotes 5 has been removed from the stacking tray 4, it is raised to the level of the auxiliary stacking tray 6 with the banknotes 101, 109, 102, HO etc. stacked thereon to the level of the stacking tray 4 in such a way that the tines of the two trays 4 and 6 interlock like a comb and form a common shelf.
  • the auxiliary stacking tray 6 is fed, for example, in a direction parallel to the axis of rotation of the stacker wheel.
  • the supply of further banknotes to individual compartments of the stacker wheel 1 is temporarily blocked by the second part 2b of the stripper 2, which rotates with the stacker wheel 1. If these compartments cannot be moved past the banknote supply point before a next banknote is fed to the stacker wheel 1, this next banknote must be temporarily stored, for example in a puff integrated into the transport path. The technical outlay associated with such a puff can be avoided if the spiral stacker is designed as shown in FIGS. 3a, 3b.
  • the auxiliary stacking tray 6 is used again, which makes it possible to start stacking a next stack of banknotes even before the stacking of banknotes 5 has been cleared from the stacking tray 4.
  • Figure 3a shows the spiral stacker in the same position as Figure 2a.
  • the second part 2b of the stripper 2 is only moved with the stacker wheel 1 until the hundredth banknote 100 has been slipped onto the stacking tray 4.
  • the stacking tray 4 is then lowered, the auxiliary stacking tray ge 6 positioned over the lowered stacking tray 4 and the second part 2b of the stripper 2 against the direction of rotation of the stacker wheel 1 moved back into the stripping position.
  • FIG. 3b shows the stacker wheel 1 with the second part 2b of the stripper 2 moved back into the stripping position and the inserted intermediate stack tray 6.
  • the stripping of the first banknote 101 for the next stack of banknotes begins when the second part 2b of the stripper 2 is moved back into the stripping position and is ended approximately when the auxiliary stacking tray 6 has reached its position for stacking the next stack of banknotes.
  • the first part 2a of the stripper 2 can be moved into the stacker wheel 1 without risk of collision with the banknotes located in the stacker wheel 1.
  • the stacking deposit 4 is raised to the level of the auxiliary stacking deposit 6 in the manner described above, and this can be moved out of its comb-like engagement with the stacking deposit 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Discharge By Other Means (AREA)

Abstract

A spiral slot stacker has a two-part stripper 2 for stripping out sheet material from a stacker wheel 1 . The two parts 2 a , 2 b of the stripper are movable. A first part 2 a of the stripper is moved out of the stacker wheel together with the last bank note 100 to be stacked in such a way, that only the last bank note is stripped out and the next bank note 101 remains in the stacker wheel. The second part 2 b of the stripper at this stage rotates along with the stacker wheel and will not be locked in the strip-out position until the spiral slot stacker is prepared for stacking a next bank-note stack. The bank notes, in the meanwhile supplied to the stacker wheel, are stripped out from the stacker wheel by the second part 2 b of the stripper, while the first part 2 a of the stripper is moved back to the strip-out position. By this method a collision of the first part of the stripper with the bank notes located in the stacker wheel is prevented.

Description

Verfahren und Vorrichtung zum Stapeln von Blattgut Method and device for stacking sheet material
Die Erfindung betrifft ein Verfahren zum Stapeln von Blattgut sowie einen Spiralfachstapler, insbesondere zur Verwendung in einer Banknotenbearbei- tungsvorrichtung.The invention relates to a method for stacking sheet material and a spiral stacker, in particular for use in a banknote processing device.
In herkömmlichen Banknotenbearbeitungsmaschinen werden die Banknoten im Allgemeinen in einem Stapel vereinzelt und mittels einer Transportstrecke an einer Sensoreinrichtung vorbeigeführt. Die einzelnen Banknoten wer- den von Sensoren der Sensoreinrichtung geprüft und abhängig vom Prüfergebnis bestimmten Zielorten bzw. Staplereinheiten zugeführt.In conventional banknote processing machines, the banknotes are generally separated in a stack and guided past a sensor device by means of a transport path. The individual banknotes are checked by sensors of the sensor device and fed to specific destinations or stacker units depending on the test result.
Zur Prüfung der Banknoten können mehrere Sensoren vorgesehen sein, die die Banknoten nach unterschiedlichen Kriterien beurteilen. Entsprechend sind mehrere Staplereinheiten vorhanden, die die Banknoten der unterschiedlichen Kategorien zu Einheiten einer einstellbaren Stückzahl stapeln. Sollen beispielsweise Banknoten einer bestimmten Kategorie mit einer Stückzahl von 100 Banknoten gestapelt werden, ist es notwendig, nach dem Eintreffen der einhundertsten Banknote am Stapler im kontinuierlichen Banknotenstrom eine Trennung zwischen der einhundertsten und der für den selben Stapler bestimmten nachfolgenden Banknote vorzunehmen.A plurality of sensors can be provided for checking the banknotes, which assess the banknotes according to different criteria. Correspondingly, there are several stacker units that stack the banknotes of the different categories into units of an adjustable number of pieces. If, for example, banknotes of a certain category are to be stacked with a number of 100 banknotes, it is necessary to separate the hundredth banknote and the subsequent banknote destined for the same stacker after the one hundredth banknote arrives at the stacker in a continuous stream of banknotes.
In diesem Zusammenhang ist es aus der DE-PS 34 12 725 bekannt, für Banknoten der gleichen Kategorie zwei Stapler einzusetzen. Sind im jeweils akti- ven Stapler 100 Banknoten abgelegt, werden die nachfolgenden Banknoten über eine Weiche in dem Transportsystem dem zweiten baugleichen Stapler zugeführt. Bei dieser bekannten Lösung ist es notwendig zwei Stapler gleicher Bauart mit dem dafür notwendigen Platzbedarf vorzusehen.In this context, it is known from DE-PS 34 12 725 to use two stackers for banknotes of the same category. If 100 banknotes are stored in each active stacker, the following banknotes are fed to the second structurally identical stacker via a switch in the transport system. In this known solution, it is necessary to provide two stackers of the same type with the space required for this.
Aus der EP-OS 0 119 814 ist eine Lösung bekannt, die mit einem Stapler pro Banknotenkategorie auskommt. Dazu ist am Stapler ein Trennelement vor- gesehen. Zunächst befindet sich dieses Trennelement in einer Ruhelage, bis Analog zu dem obengenannten Beispiel 100 Banknoten gestapelt worden sind. Daraufhin wird das Trennelement in den Banknotenstrom zwischen der einhundertsten und der darauffolgenden Banknote so eingebracht, dass die nachfolgenden Banknoten auf dem Trennelement zwischengespeichert werden. Währenddessen kann die abgestapelte Einheit von Banknoten entleert werden. Nach der Entleerung werden die zwischengespeicherten Banknoten im Stapler abgelegt. Das Trennelement kehrt in seine Ruhelage zurück.From EP-OS 0 119 814 a solution is known which manages with one stacker per banknote category. A separating element is seen. This separating element is initially in a rest position until 100 banknotes have been stacked analogously to the above example. The separating element is then introduced into the banknote stream between the hundredth and the subsequent banknote in such a way that the subsequent banknotes are temporarily stored on the separating element. In the meantime, the stacked unit can be emptied of banknotes. After emptying, the temporarily stored banknotes are stored in the stacker. The separator returns to its rest position.
Diese Lösung hat den Nachteil, dass bei höheren Transportgeschwindigkeiten relativ hohe Stellkräfte zur Beschleunigung des Trennelements aufgebracht werden müssen, was nur mit einem entsprechend hohen Aufwand erreicht werden kann. Bei der hohen Transportgeschwindigkeit kann eine sichere Funktion des Staplers nicht gewährleistet werden.This solution has the disadvantage that relatively high actuating forces have to be applied to accelerate the separating element at higher transport speeds, which can only be achieved with a correspondingly high outlay. With the high transport speed, the safe functioning of the truck cannot be guaranteed.
In der DE 4437722 AI wird stattdessen vorgeschlagen, die Übergabe von Banknoten an das Transportsystem zu unterbrechen, wenn in der Sensoreinrichtung festgestellt wird, dass die vorbestimmte Stückzahl einer Kategorie erreicht ist. Die zu diesem Zeitpunkt bereits vereinzelten Banknoten der gleichen Kategorie werden in der Sortieranlage solange zwischengespeichert, bis der fertig abgestapelte Banknotenstapel entfernt worden ist. Die Zwischen- speicherung kann im Stapler selbst oder in einer in die Transportstrecke integrierten Pufferstrecke vorgenommen werden. Diese Lösung hat den grundsätzlichen Nachteil, dass die Maschine aufgrund der Unterbrechung diskontinuierlich arbeitet.In DE 4437722 AI it is instead proposed to interrupt the transfer of banknotes to the transport system if it is determined in the sensor device that the predetermined number of pieces of a category has been reached. The banknotes of the same category that have already been separated at this time are temporarily stored in the sorting system until the stack of stacked banknotes has been removed. The intermediate storage can be carried out in the truck itself or in a buffer section integrated into the transport route. This solution has the fundamental disadvantage that the machine works discontinuously due to the interruption.
Im Zusammenhang mit der Lösung, bei der die bereits vereinzelten Banknoten im Stapler selbst zwischengespeichert werden, ist der Stapler als Spiral- fachstapler ausgeführt, wie beispielsweise in der DE-OS 3232348 beschrieben. Jedoch ist der Ausstreifer zum Ausstreifen der in den Fächern des Staplerrades aufgenommenen Banknoten beweglich ausgeführt, so dass er aus dem Staplerrad herausgefahren bzw. in das Staplerrad hineingefahren wer- den kann. Die Komponenten wirken so zusammen, dass der bewegliche Ausstreifer beim Herausfahren aus dem Staplerrad die einhundertste Banknote auf die Stapelablage ausstreift und die in den nächstfolgenden Fächern des Staplers befindlichen Banknoten im Staplerrad verbleiben. Das Staplerrad dreht inzwischen weiter und nimmt die zum Zeitpunkt der Unterbre- chung bereits vereinzelten Banknoten auf. Sobald die Stapelablage entleert und zum Abstapeln eines nächsten Banknotenstapels bereit ist, wird der Ausstreifer wieder in das Staplerrad eingefahren. Anschließend wird der Stapelvorgang in üblicher Weise fortgeführt.In connection with the solution, in which the already isolated banknotes are temporarily stored in the stacker itself, the stacker is designed as a spiral Technical stackers executed, as described for example in DE-OS 3232348. However, the stripper for moving out the banknotes accommodated in the compartments of the stacker wheel is designed to be movable, so that it can be moved out of the stacker wheel or into the stacker wheel. The components work together in such a way that the movable stripper pulls the hundredth banknote onto the stacking tray as it moves out of the stacker wheel and the banknotes located in the next compartments of the stacker remain in the stacker wheel. The stacker wheel continues to rotate and picks up the banknotes that were already isolated at the time of the interruption. As soon as the stacking tray is emptied and ready for stacking a next stack of banknotes, the stripper is moved back into the stacker wheel. The stacking process is then continued in the usual way.
Als nachteilhaft bei dieser Lösung stellt sich dar, dass das Staplerrad angehalten werden muß, um den Ausstreifer wieder' in das Staplerrad einfahren zu können. Denn bei rotierendem Staplerrad besteht die Gefahr, dass der Ausstreifer mit den in den Fächern befindlichen Banknoten kollidiert, bevor er seine Ausstreifposition erreicht hat. Das bedeutet aber, dass das Trans- portsystem nicht nur unterbrochen werden muß, wenn die vorbestimmte Stückzahl einer Kategorie erreicht worden ist, sonder unter Umständen nochmals, wenn der Ausstreifer in das Staplerrad zurückgeführt wird.One disadvantage of this solution is that the stacker has to be stopped, to be able to enter to the stripper back 'into the stacker. Because when the stacker wheel is rotating, there is a risk that the stripper collides with the banknotes in the compartments before it has reached its stripping position. However, this means that the transport system not only has to be interrupted when the predetermined number of pieces in a category has been reached, but under certain circumstances again when the stripper is returned to the stacker wheel.
Aufgabe der vorliegenden Erfindung ist es, ein Verfahren und eine Vorrich- tung zum Stapeln von Blattgut vorzuschlagen, bei welchem die Übergabe von Banknoten an das Transportsystem nicht notwendigerweise unterbrochen werden muß, wenn die vorbestimmte Stückzahl einer Kategorie erreicht ist, oder dass zumindest eine solche Unterbrechung zeitlich kurz , gehalten wird. Die erfindungsgemäße Lösung geht dabei von einem Spiralfachstapler gemäß der DE 4437722 AI aus, bei dem das Blattgut im Staplerrad selbst zwischengespeichert wird. D. h., die beispielsweise einhundertste Banknote wird mittels eines beweglichen Ausstreifers aus dem Staplerrad ausgestreift, während die Banknoten der nächstfolgenden Fächer im Staplerrad verbleiben. Insoweit wird hiermit auf die DE 4437 722 AI einschließlich der darin beschriebenen konstruktiven Lösungsvorschläge Bezug genommen.The object of the present invention is to propose a method and a device for stacking sheet material in which the transfer of banknotes to the transport system does not necessarily have to be interrupted when the predetermined number of pieces of a category has been reached, or at least such an interruption short, is held. The solution according to the invention is based on a spiral stacker according to DE 4437722 AI, in which the sheet material is buffered in the stacker wheel itself. That is, the hundredth banknote, for example, is stripped out of the stacker wheel by means of a movable stripper, while the banknotes of the next following compartments remain in the stacker wheel. To this extent, reference is hereby made to DE 4437 722 AI, including the constructive solution proposals described therein.
Um nun zu verhindern, dass der Ausstreifer beim Zurückfahren ins Stapler- rad mit den sich darin befindlichen Banknoten kollidiert oder dass das Staplerrad zur Vermeidung einer solchen Kollision angehalten werden muß, ist der Ausstreifer zumindest zweiteilig ausgebildet, wobei nur ein erster Teil in der beschriebenen Weise aus dem Staplerrad herausbewegt wird. In dem Moment, wenn der erste Teil des Ausstreifers aus dem Staplerrad herausbe- wegt wird, wird auch der zweite Teil des Ausstreifers aus seiner Ausstreifposition gelöst. Der zweite Teil des Ausstreifers ist ebenfalls beweglich. Er wird aber nicht aus dem Staplerrad herausgefahren sondern rotiert, nachdem er aus der Ausstreifposition gelöst worden ist, mit dem Staplerrad mit. Währenddessen werden dem Staplerrad weitere Banknoten zugeführt, so dass die Übergabe von Banknoten an das Transportsystem der Banknotenverarbeitungsmaschine nicht unterbrochen werden muß.In order to prevent the stripper from colliding with the banknotes located in it when returning to the stacker wheel or that the stacker wheel must be stopped to avoid such a collision, the stripper is designed at least in two parts, only a first part in the manner described is moved out of the stacker wheel. At the moment when the first part of the stripper is moved out of the stacker wheel, the second part of the stripper is also released from its stripping position. The second part of the stripper is also movable. However, it is not moved out of the stacker wheel but rotates with the stacker wheel after it has been released from the stripping position. In the meantime, further bank notes are fed to the stacker wheel, so that the transfer of bank notes to the transport system of the bank note processing machine does not have to be interrupted.
Es gibt nun zwei alternative Ausführungsformen:There are now two alternative embodiments:
Gemäß der ersten Ausführungsform dreht der zweite Teil des Ausstreifers solange mit dem Staplerrad mit, bis die Stapelablage zur Aufnahme eines nächsten Banknotenstapels bereit ist und der zweite Teil des Abstreifers seine Abstreifposition wieder erreicht hat. Er wird dann wieder in der Abstreifposition arretiert, wobei das Staplerrad nach wie vor weiter rotiert. Da- durch wird erreicht, dass die in dem Staplerrad befindlichen Banknoten ab dem Moment des Arretierens von dem zweiten Teil des Ausstreifers aus dem Staplerrad ausgestreift und auf der Stapelablage abgestapelt werden. Nun kann auch der erste Teil des Ausstreifers auf dem selben Weg in die Ausstreifposition zurückbewegt werden, auf dem er aus dem Staplerrad herausbewegt wurde. Eine Kollision mit den im Staplerrad befindlichen Banknoten ist ausgeschlossen, da diese in dieser Phase von dem zweiten Teil des Ausstreifers aus dem Staplerrad ausgestreift werden.According to the first embodiment, the second part of the stripper rotates with the stacker wheel until the stacking tray is ready to receive a next stack of banknotes and the second part of the stripper has reached its stripping position again. It is then locked again in the stripping position, the stacker wheel still rotating. There- is achieved in that the bank notes located in the stacker wheel are stripped from the stacker wheel by the second part of the stripper from the moment they are locked and are stacked on the stacking tray. Now the first part of the stripper can be moved back to the stripping position in the same way it was moved out of the stacker wheel. A collision with the banknotes located in the stacker wheel is impossible, since in this phase the second part of the stripper will strip them out of the stacker wheel.
Es kann aber in seltenen Fällen auch bei dieser Lösung dazu kommen, dass eine für den Spiralfachstapler vorgesehene Banknote nicht in ein Fach des Staplerrads einführbar ist, wenn nämlich die Zuführung durch den mitbewegten zweiten Teil des Ausstreifers blockiert ist. Diese Blockierung betrifft nur einige wenige Fächer des Staplerrads. Das Problem kann daher bereits dadurch umgangen werden, dass das Staplerrad in dieser Phase beschleunigt angetrieben wird, um die betreffenden Fächer zügig an der Banknoten- zuführposition vorbeizudrehen. Reicht dies nicht aus, um eine Kollision einer dem Staplerrad zuzuführenden Banknote mit dem mitrotierenden Teil des Ausstreifers zu vermeiden, so bietet es sich an, für solche Fälle eine Puf- ferstrecke in die Transportstrecke zu integrieren, wie dies in der DE 4437 722 AI als zweite Alternative vorgeschlagen wird. Auch insoweit wird auf die DE 4437722 AI Bezug genommen.In rare cases, however, this solution can also result in a banknote provided for the spiral stacker not being able to be inserted into a compartment of the stacker wheel when the feed is blocked by the moving second part of the stripper. This blocking affects only a few compartments of the stacker wheel. The problem can therefore already be avoided by accelerating the stacker wheel in this phase in order to quickly turn the relevant compartments past the banknote feed position. If this is not sufficient to avoid a collision of a banknote to be fed to the stacker wheel with the rotating part of the scraper, it is advisable to integrate a buffer section into the transport section for such cases, as described in DE 4437 722 AI second alternative is proposed. To this extent, reference is made to DE 4437722 AI.
Gemäß der zweiten Ausführungsform wird der mit dem Staplerrad mitrotie- rende zweite Teil des Ausstreifers entgegen der Rotationsrichtung des Staplerrads in seine Ausstreifposition zurückgeführt und arretiert. Dies hat den Vorteil, dass er nicht an der Banknotenzuführstelle vorbeigeführt und die Zuführung weiterer Banknoten zum Staplerrad dementsprechend nicht blockiert wird. Allerdings ist diese zweite Ausführungsform nur praktikabel, wenn sich der zweite Teil des Ausstreifers noch nicht zu weit von der Stapelablage wegbewegt hat, da die Banknoten beim Zurückbewegen des zweiten Ausstreiferteils zwar aus den Fächern ausgestreift, aber dann nicht mehr zuverlässig auf die Stapelablage abgestapelt würden. Wichtig bei dieser Aus- führungsform ist es daher, dass die Stapelablage möglichst zügig zur Aufnahme des nächsten abzustapelnden Banknotenstapels vorbereitet ist. Dies kann beispielsweise dadurch erreicht werden, dass der fertig abgestapelte Banknotenstapel beiseite geschoben wird oder, gemäß einer bevorzugten Ausführungsforrn, dass eine Hilfsstapelablage über die Stapelablage mit dem fertig abgestapelten Banknotenstapel bewegt wird. Sobald die Hilfsstapelablage ihre Position eingenommen hat, kann der mitbewegte zweite Teil des Ausstreifers bereits in seine Ausstreifposition zurückbewegt werden, wobei die in den dazwischenliegenden Fächern des Staplerrads befindlichen Banknoten auf die Hilfsstapelablage ausgestreift werden. Anschließend wird wiederum der erste, aus dem Staplerrad herausbewegte Teil des Abstreifers in das Staplerrad zurückbewegt. Der Stapelvorgang wird dann in üblicher Weise fortgesetzt.According to the second embodiment, the second part of the stripper, which rotates with the stacker wheel, is returned to its stripping position and locked against the direction of rotation of the stacker wheel. This has the advantage that it does not lead past the banknote supply point and accordingly the supply of further banknotes to the stacker wheel is not blocked. However, this second embodiment is only practical if the second part of the stripper has not yet moved too far away from the stacking shelf, since the banknotes, while moving back the second stripping part, stripped out of the compartments, but would then no longer be reliably stacked onto the stacking shelf. It is therefore important in this embodiment that the stacking tray is prepared as quickly as possible for the next stack of banknotes to be stacked. This can be achieved, for example, by pushing the stack of stacked banknotes aside or, in accordance with a preferred embodiment, by moving an auxiliary stack stack over the stack stack with the stack of stacked banknotes. As soon as the auxiliary stacking tray has taken its position, the second part of the stripper that is moved along can already be moved back into its stripping-off position, the banknotes located in the intermediate compartments of the stacker wheel being slipped onto the auxiliary stacking tray. The first part of the scraper moved out of the stacker wheel is then moved back into the stacker wheel. The stacking process is then continued in the usual way.
Die Hilfsstapelablage und die Stapelablage sind vorzugsweise rechenartig so ausgeführt, dass sie auf gleiches Niveau bringbar sind wenn der fertig abgestapelte Banknotenstapel von der Stapelablage entfernt worden ist.The auxiliary stacking station and the stacking station are preferably designed in a rake-like manner such that they can be brought to the same level when the stack of stacked banknotes has been removed from the stacking station.
Nachfolgend wird die Erfindung beispielhaft anhand der begleitenden Zeichnungen beschrieben. Darin zeigen:The invention is described below by way of example with reference to the accompanying drawings. In it show:
Figuren la bis ld eine erste Ausführungsform der Erfindung,Figures la to ld a first embodiment of the invention,
Figuren 2a und 2b eine zweite Ausführungsform der Erfindung und Figuren 3a und 3b eine dritte Ausführungsform der Erfindung.Figures 2a and 2b a second embodiment of the invention and Figures 3a and 3b, a third embodiment of the invention.
Figuren la und ld zeigen einen Spiralfachstapler einer Banknotenbearbeitungsmaschine zu verschiedenen Betriebszeitpunkten. Die hier nicht im ein- zelenen dargestellte Banknotenbearbeitungsmaschine ist im übrigen so aufgebaut, wie es in der DE 4437722 AI beschrieben ist, einschließlich Transportsystemen, Weichen, Sensoren und dergleichen. Selbstverständlich ist der nachfolgend beschriebene Spiralfachstapler auch in anderen Vorrichtungen zum Stapeln von Blattgut geeignet.Figures la and ld show a spiral stacker of a banknote processing machine at different times of operation. The banknote processing machine not shown in detail here is otherwise constructed as described in DE 4437722 AI, including transport systems, switches, sensors and the like. Of course, the spiral compartment stacker described below is also suitable in other devices for stacking sheet material.
Der Spiralfachstapler weist ein Staplerrad 1 mit spiralförmig hintereinander um eine Rotationsachse angeordneten Fächern auf. Die Rotationsrichtung des Staplerrads ist durch einen Pfeil angedeutet. Dem Staplerrad 1 werden sukzessive Banknoten 98 bis 104 zugeführt. Figur la zeigt den Spiralfach- Stapler 1 im Moment der Zuführung der Banknote 104.The spiral compartment stacker has a stacker wheel 1 with compartments spirally arranged one behind the other around an axis of rotation. The direction of rotation of the stacker wheel is indicated by an arrow. Bank notes 98 to 104 are successively fed to the stacker wheel 1. FIG. 1 a shows the spiral compartment stacker 1 at the moment the bank note 104 is fed.
Ein Ausstreifer 2 greift in üblicher Weise in den Spiralfachstapler ein. Zu diesem Zweck werden die die Banknoten aufnehmenden Fächer durch nebeneinander angeordnete, zueinander beabstandete Staplerradfinger 3 gebildet, zwischen die der Ausstreifer 2 mit geeignet angepassten, nebeneinander angeordneten Ausstreif fingern eingreift. In Figur la ist der Spiralfachstapler schematisch im Schnitt dargestellt, so dass lediglich ein Ausstreiffinger sowie eine Staplerradfingerebene dargestellt sind.A stripper 2 engages the spiral stacker in the usual way. For this purpose, the compartments receiving the banknotes are formed by juxtaposed, spaced-apart stacker wheel fingers 3, between which the stripper 2 engages with suitably adapted, juxtaposed stripping fingers. The spiral compartment stacker is shown schematically in section in FIG. 1 a, so that only one stripping finger and one stacker wheel finger plane are shown.
Aufgrund der Rotation des Staplerrads 1 und des in das Staplerrad 1 eingreifenden Ausstreifers 2 werden die in dem Staplerrad 1 befindlichen Banknoten gegen den Ausstreifer 2 transportiert und durch diesen nach und nach aus den Fächern des Staplerrads 1 auf eine darunter befindliche Stapelablage 4 ausgestreift. Dadurch bildet sich auf der Stapelablage 4 ein Banknotensta- pel 5, dem im in Figur la dargestellten Zeitpunkt gerade die 98ste Banknote 98 zugeleitet wird.Due to the rotation of the stacker wheel 1 and the stripper 2 engaging in the stacker wheel 1, the banknotes located in the stacker wheel 1 are transported against the stripper 2 and are gradually stripped out by this from the compartments of the stacker wheel 1 onto a stacking tray 4 located underneath. This forms a banknote stack on the stacking tray 4. pel 5, to which the 98th banknote 98 is being fed at the time shown in FIG.
Wenn die erforderliche Anzahl für den Banknotenstapel 5 von beispielsweise 100 Banknoten erreicht ist, wird der Stapelvorgang unterbrochen, damit der Banknotenstapel 5 der Stapelablage 4 entnommen werden kann, bevor mit dem Stapeln eines nächsten Banknotenstapels begonnen wird. Zu diesem Zweck wird der Ausstreifer 2, wie in DE 4437 722 AI beschrieben, auf eine ganz bestimmte Weise aus dem Staplerrad 1 herausgefahren, so dass gerade noch die einhundertste Banknote 100 aus dem Staplerrad 1 auf den Banknotenstapel 5 ausgestreift wird, wie in Figur lb angedeutet. .When the required number for the banknote stack 5, for example 100 banknotes, has been reached, the stacking process is interrupted so that the banknote stack 5 can be removed from the stacking tray 4 before the next stack of banknotes is stacked. For this purpose, the stripper 2, as described in DE 4437 722 AI, is moved out of the stacker wheel 1 in a very specific way, so that the hundredth banknote 100 is just stripped from the stacker wheel 1 onto the banknote stack 5, as in FIG. 1b indicated. ,
Im Gegensatz zur DE 4437722 AI wird jedoch nur ein Teil 2a des Ausstreifers 2 aus dem Staplerrad 1 in etwa in Richtung des dargestellten Pfeils her- ausbewegt, während ein zweiter Teil 2b des Ausstreifers mit dem rotierenden Staplerrad 1 mitbewegt wird. Zu diesem Zweck ist jeder Ausstreiffinger des Ausstreif er s 2 in zwei Teile 2a, 2b geteilt. Alternativ kann auch jeder zweite Ausstreiffinger als mitbewegter Ausstreiffinger 2b und die übrigen Ausstreiffinger als herausfahrbare Ausstreiffinger 2a ausgeführt sein.In contrast to DE 4437722 AI, however, only a part 2a of the stripper 2 is moved out of the stacker wheel 1 approximately in the direction of the arrow shown, while a second part 2b of the stripper is also moved with the rotating stacker wheel 1. For this purpose, each stripping finger of the stripping s 2 is divided into two parts 2a, 2b. Alternatively, every second stripping finger can also be designed as a moving stripping finger 2b and the remaining stripping fingers as extendable stripping fingers 2a.
Die Bewegung des Ausstreiferteils 2a ist durch geeignete Maßnahmen mit der Rotation des Staplerrads 1 so korreliert, dass der gewünschte Zweck, eine bestimmte Banknote gerade noch auszustreif en und die nächstfolgende Banknote im Staplerrad zu belassen, erreicht wird. Dazu kann das Ausstrei- ferteil 2a einen separaten, elektronisch gesteuerten Antrieb besitzen oder mechanisch an eine Konturscheibe ankoppelbar sein, wie in DE 4437722 AI beschrieben. Eine nicht dargestellte Arretierung des zweiten Teils 2b des Ausstreifers 2 zu dessen Fixierung in der in Figur la dargestellten Ausstreifposition wird in dem Moment gelöst, in dem der erste Teil 2a des Ausstreifers 2 aus dem Staplerrad 1 herausbewegt wird. Um nun zu erreichen, dass der zweite Teil 2b des Ausstreifers 2 mit dem Staplerrad 1 mitrotiert, kann ein separater Antrieb vorgesehen werden. Der mit einem separaten Antrieb verbundene Aufwand lässt sich jedoch vermeiden, wenn der zweite Teil 2b des Ausstreifers beim Lösen der Arretierung mit dem Staplerrad 1 gekoppelt wird. Dazu wird der Ausstreifer mit der Antriebswelle des Staplerrads 1 über eine nicht dargestellte Kupplung verbunden und in seiner Ausstreifposition mittels einem Ausklinkmechanismus arretiert bzw. nach dem Ausstreifen der hundertsten Banknote über den Ausklinkmechanismus freigegeben, so dass er mit dem Staplerrad 1 synchron mitdreht. Anstelle eines mechanischen Klinkenmechanismus kann die Kupplung auch als elektrisch betätigbare Mag- netkupplung ausgebildet sein.The movement of the stripper part 2a is correlated by suitable measures with the rotation of the stacker wheel 1 in such a way that the desired purpose of just stripping out a certain banknote and leaving the next banknote in the stacker wheel is achieved. For this purpose, the spreading part 2a can have a separate, electronically controlled drive or can be mechanically coupled to a contour disk, as described in DE 4437722 AI. A not shown locking of the second part 2b of the stripper 2 to fix it in the stripping position shown in Figure la is released at the moment when the first part 2a of the stripper 2 is moved out of the stacker wheel 1. In order to ensure that the second part 2b of the stripper 2 also rotates with the stacker wheel 1, a separate drive can be provided. However, the effort associated with a separate drive can be avoided if the second part 2b of the stripper is coupled to the stacker wheel 1 when the locking device is released. For this purpose, the stripper is connected to the drive shaft of the stacker wheel 1 via a coupling (not shown) and locked in its stripping position by means of a release mechanism or released after the hundredth banknote has been stripped out, so that it rotates synchronously with the stacker wheel 1. Instead of a mechanical ratchet mechanism, the clutch can also be designed as an electrically actuable magnetic clutch.
Figur lc zeigt das Staplerrad 1 mit dem mitrotierenden Teil 2b des Ausstreifers 2 und dem aus dem Staplerrad 1 vollständig herausbewegten ersten Teil 2a des Ausstreifers 2, nachdem die einhundertste Banknote 100 auf den Banknotenstapel 5 ausgestreift wurde. Inzwischen wird bereits die lOβste Banknote 106 an das Staplerrad 1 herangeführt.FIG. 1c shows the stacker wheel 1 with the rotating part 2b of the stripper 2 and the first part 2a of the stripper 2 which has been completely moved out of the stacker wheel 1 after the hundredth banknote 100 has been stripped onto the banknote stack 5. The loosest banknote 106 has already been brought up to the stacker wheel 1.
Der Banknotenstapel 5 wird nun von der Stapelablage 4 entfernt, um die Stapelablage zur Aufnahme des nächstfolgenden Banknotenstapels vorzube- reiten. Nachdem die Stapelablage 4 zur Aufnahme eines nächsten Banknotenstapels bereit ist, dreht das Staplerrad 1 solange weiter, bis der zweite Teil 2b des Ausstreifers 2 wieder die Ausstreifposition gemäß Figur la erreicht hat. Dies ist in Figur ld dargestellt. Da dem Staplerrad 1 währenddessen weitere Banknoten 107 bis 112 zugeführt werden, befinden sich in einzelnen Fächern des Staplerrads 1 zwei oder gegebenenfalls auch mehr Banknoten, wenn der zweite Teil 2b des Ausstreifers 2 seine Ausstreifposition wieder erreicht hat. Der zweite Teil 2b des Ausstreifers 2 wird dann wieder in der Ausstreifposition arretiert, so dass die in den Fächern des Staplerrads befind- liehen Banknoten durch den zweiten Teil 2b des Ausstreifers 2 in üblicher Weise auf die Stapelablage 4 ausgestreift werden. Nun kann auch der erste Teil 2a des Ausstreifers 2 in die Ausstreifposition zurückbewegt werden. Zu einer Kollision mit den im Staplerrad befindlichen Banknoten kann es dabei nicht kommen, da diese inzwischen vom zweiten Teil 2b des Ausstreifers 2 ausgestreift werden. Insbesondere braucht das Staplerrad 1 somit nicht angehalten zu werden, wenn der erste Teil 2a des Ausstreifers 2 in die Aus- streifposition zurückbewegt wird.The stack of banknotes 5 is now removed from the stacking station 4 in order to prepare the stacking station for receiving the next stack of banknotes. After the stacking tray 4 is ready to receive a next stack of banknotes, the stacker wheel 1 continues to rotate until the second part 2b of the stripper 2 has reached the stripping position according to FIG. This is shown in Figure ld. Since, in the meantime, further bank notes 107 to 112 are fed to the stacker wheel 1, there are individual bank notes Fan the stacker wheel 1 two or possibly more banknotes when the second part 2b of the stripper 2 has reached its stripping position again. The second part 2b of the stripper 2 is then locked again in the stripping position, so that the banknotes located in the compartments of the stacker wheel are stripped onto the stacking tray 4 in the usual way by the second part 2b of the stripper 2. Now the first part 2a of the stripper 2 can also be moved back into the stripping position. There can be no collision with the banknotes located in the stacker wheel, since these are now stripped by the second part 2b of the stripper 2. In particular, the stacker wheel 1 does not need to be stopped when the first part 2a of the stripper 2 is moved back into the stripping position.
In Figur 2a und 2b ist eine zweite Ausführungsform des Spiralfachstaplers dargestellt, die prinzipiell genauso funktioniert, wie die zuvor in Bezug auf die Figuren la bis ld beschriebene Ausführungsform. Figur 2a zeigt das Staplerrad 1 zum selben Betriebszeitpunkt wie Figur lc. Der Verfahrensablauf ist insoweit identisch. Abweichend zur Ausführungsform nach Figuren la bis ld wird nun, nachdem der Banknotenstapel 5 durch Ausstreifen der einhundertsten Banknote 100 komplettiert ist, eine Hilfsstapelablage 6 zwischen das Staplerrad 1 und den Banknotenstapel 5 eingeführt, so dass der Spiralfachstapler wesentlich schneller zum Abstapeln eines nächsten Blattgutstapels bereit ist. Dadurch kann der mitbewegte zweite Teil 2b des Ausstreifers bereits nach einer Umdrehung des Staplerrads 1 wieder in der Ausstreifposition arretiert werden.FIGS. 2a and 2b show a second embodiment of the spiral compartment stacker, which in principle functions in exactly the same way as the embodiment previously described with reference to FIGS. 1a to 1d. Figure 2a shows the stacker wheel 1 at the same time as Figure lc. The procedure is identical in this respect. In contrast to the embodiment according to FIGS. 1a to 1d, after the stack of banknotes 5 has been completed by stripping out the hundredth banknote 100, an auxiliary stacking tray 6 is inserted between the stacker wheel 1 and the stack of banknotes 5, so that the spiral compartment stacker is ready for stacking a next stack of sheet goods much faster , As a result, the co-moving second part 2b of the stripper can be locked again in the stripping position after one rotation of the stacker wheel 1.
Vorzugsweise sind die Stapelablage 4 und die Hilfsstapelablage 6 kammartig ausgebildet. Zunächst wird die Stapelablage 4 mit dem Banknotenstapel 5 abgesenkt, damit die Hilfsstapelanlage 6 darüber positioniert werden kann. Nachdem der Banknotenstapel 5 von der Stapelablage 4 entfernt wurde, wird sie auf das Niveau der Hilfsstapelablage 6 mit den darauf zwischengestapelten Banknoten 101, 109, 102, HO etc. auf das Niveau der Stapelablage 4 derart angehoben, dass die Zinken der beiden Ablagen 4 und 6 kammartig ineinandergreifen und eine gemeinsame Ablageebene bilden. Um eine Kollision der Hilfsstapelablage 6 mit dem aus dem Staplerrad 1 herausbewegten ersten Teil 2a des Ausstreifers 2 zu vermeiden, erfolgt die Zuführung der Hilfsstapelablage 6 beispielsweise in einer Richtung parallel zur Drehachse des Staplerrads.The stacking tray 4 and the auxiliary stacking tray 6 are preferably designed like a comb. First, the stacking tray 4 with the banknote stack 5 is lowered so that the auxiliary stacking system 6 can be positioned above it. After the stack of banknotes 5 has been removed from the stacking tray 4, it is raised to the level of the auxiliary stacking tray 6 with the banknotes 101, 109, 102, HO etc. stacked thereon to the level of the stacking tray 4 in such a way that the tines of the two trays 4 and 6 interlock like a comb and form a common shelf. In order to avoid a collision of the auxiliary stacking tray 6 with the first part 2a of the stripper 2 moved out of the stacker wheel 1, the auxiliary stacking tray 6 is fed, for example, in a direction parallel to the axis of rotation of the stacker wheel.
Wie anhand den Figuren la bis ld und 2a, 2b zu erkennen ist, ist die Zuführung von weiteren Banknoten zu einzelnen Fächern des Staplerrads 1 zeitweise durch den mit dem Staplerrad 1 mitrotierenden zweiten Teil 2b des Ausstreifers 2 blockiert. Sofern diese Fächer nicht an der Banknotenzuführ- stelle vorbeibewegt werden können, bevor dem Staplerrad 1 eine nächste Banknote zugeführt wird, muß diese nächste Banknote zwischengespeichert werden, beispielsweise in einer in die Transportstrecke integrierten Puff erstrecke. Der mit einer solchen Puff erstrecke verbundene technische Aufwand kann vermieden werden, wenn der Spiralfachstapler wie in Figuren 3a, 3b gezeigt ausgebildet wird. Dabei kommt wieder die Hilfsstapelablage 6 zum Einsatz, welche es ermöglicht, mit dem Abstapeln eines nächstfolgenden Banknotenstapels zu beginnen, noch bevor der Banknotenstapel 5 von der Stapelablage 4 abgeräumt wurde.As can be seen from FIGS. 1a to 1d and 2a, 2b, the supply of further banknotes to individual compartments of the stacker wheel 1 is temporarily blocked by the second part 2b of the stripper 2, which rotates with the stacker wheel 1. If these compartments cannot be moved past the banknote supply point before a next banknote is fed to the stacker wheel 1, this next banknote must be temporarily stored, for example in a puff integrated into the transport path. The technical outlay associated with such a puff can be avoided if the spiral stacker is designed as shown in FIGS. 3a, 3b. The auxiliary stacking tray 6 is used again, which makes it possible to start stacking a next stack of banknotes even before the stacking of banknotes 5 has been cleared from the stacking tray 4.
Figur 3a zeigt den Spiralfachstapler in derselben Position wie Figur 2a. Im Gegensatz zu den bisher beschriebenen Ausführungsformen wird der zweite Teil 2b des Ausstreifers 2 jedoch nur solange mit dem Staplerrad 1 mitbewegt, bis die einhundertste Banknote 100 auf die Stapelablage 4 ausgestreift wurde. Anschließend wird die Stapelablage 4 abgesenkt, die Hilfsstapelabla- ge 6 über die abgesenkte Stapelablage 4 positioniert und der zweite Teil 2b des Ausstreifers 2 entgegen der Rotationsrichtung des Staplerrads 1 in die Ausstreifposition zurückbewegt. Figur 3b zeigt das Staplerrad 1 mit dem in die Ausstreifposition zurückbewegten zweiten Teil 2b des Ausstreifers 2 und der eingeführten Zwischenstapelablage 6. Das Ausstreifen der ersten Banknote 101 für den nächsten Banknotenstapel beginnt mit dem Zurückbewegen des zweiten Teils 2b des Ausstreifers 2 in die Ausstreifposition und ist in etwa dann beendet, wenn die Hilfsstapelablage 6 ihre Position zum Abstapeln des nächsten Banknotenstapels erreicht hat.Figure 3a shows the spiral stacker in the same position as Figure 2a. In contrast to the previously described embodiments, however, the second part 2b of the stripper 2 is only moved with the stacker wheel 1 until the hundredth banknote 100 has been slipped onto the stacking tray 4. The stacking tray 4 is then lowered, the auxiliary stacking tray ge 6 positioned over the lowered stacking tray 4 and the second part 2b of the stripper 2 against the direction of rotation of the stacker wheel 1 moved back into the stripping position. FIG. 3b shows the stacker wheel 1 with the second part 2b of the stripper 2 moved back into the stripping position and the inserted intermediate stack tray 6. The stripping of the first banknote 101 for the next stack of banknotes begins when the second part 2b of the stripper 2 is moved back into the stripping position and is ended approximately when the auxiliary stacking tray 6 has reached its position for stacking the next stack of banknotes.
Nun kann der erste Teil 2a des Ausstreifers 2 ohne Kollisionsgefahr mit den in dem Staplerrad 1 befindlichen Banknoten in das Staplerrad 1 eingefahren werden. Nachdem der Banknotenstapel 5 von der Ablageplatte 4 entfernt wurde, wird die Stapelablage 4 in der vorbeschriebenen Weise auf das Ni- veau der Hilfsstapelablage 6 angehoben, und diese kann aus ihrem kammartigen Eingriff mit der Stapelablage 4 herausbewegt werden. Now the first part 2a of the stripper 2 can be moved into the stacker wheel 1 without risk of collision with the banknotes located in the stacker wheel 1. After the stack of banknotes 5 has been removed from the depositing plate 4, the stacking deposit 4 is raised to the level of the auxiliary stacking deposit 6 in the manner described above, and this can be moved out of its comb-like engagement with the stacking deposit 4.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Spiralfachstapler zum Stapeln von Blattgut, umfassend1. Spiral stacker for stacking sheet material, comprising
- ein Staplerrad (1) mit spiralförmig hintereinander um eine- A stacker wheel (1) with one behind the other in a spiral
Rotationsachse angeordneten Fächern zur Aufnahme des Blattguts,Compartments arranged to accommodate the sheet material,
einen Ausstreifer (2; 2a, 2b), welcher in einer Ausstreifposition das Blattgut aus den Fächern des Staplerrads ausstreift, unda stripper (2; 2a, 2b), which strips the sheet material out of the compartments of the stacker wheel in a stripping position, and
eine Stapelablage (4) zum Abstapeln des aus den Fächern abgestreiften Blattguts,a stacking tray (4) for stacking the sheet material stripped from the compartments,
wobei ein erster beweglicher Teil (2) des Ausstreifers (2), während das Staplerrad (1) rotiert, so aus der Ausstreifposition herausbewegbar ist, dass das Blattgut (100) aus einem der Fächer des Staplerrads ausgestreift wird und das Blattgut (101) eines nächstfolgenden Fachs im Staplerrad verbleibt, dadurch gekennzeichnet, dass ein zweiter beweglicher Teil (2b) des Ausstreifers (2) in der Ausstreifposition arretierbar und im nicht arretierten Zustand mit dem rotierenden Staplerrad (1) mitbewegbar ist.wherein a first movable part (2) of the stripper (2), while the stacker wheel (1) rotates, can be moved out of the stripping position in such a way that the sheet material (100) is stripped from one of the compartments of the stacker wheel and the sheet material (101) one The next following compartment remains in the stacker wheel, characterized in that a second movable part (2b) of the stripper (2) can be locked in the stripping position and can also be moved with the rotating stacker wheel (1) in the unlocked state.
2. Spiralfachstapler nach Anspruch 1, gekennzeichnet durch eine Hilfssta- pelablage (6), die zwischen die Stapelablage (4) und das Staplerrad (1) bewegbar ist. 2. Spiral stacker according to claim 1, characterized by an auxiliary stack tray (6) which is movable between the stack tray (4) and the stacker wheel (1).
3. Spiralfachstapler nach Anspruch 2, dadurch gekennzeichnet, dass die Hilfsstapelablage (6) und die Stapelablage (4) auf gleiches Niveau bringbar sind und kammartig ineinander eingreifen können.3. Spiral stacker according to claim 2, characterized in that the auxiliary stacking tray (6) and the stacking tray (4) can be brought to the same level and can intermesh with one another.
4. Spiralfachstapler nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der zweite Teil (2b) des Ausstreifers (2) entgegen der Rotationsrichtung des Staplerrads (1) in die Ausstreifposition zurückbewegbar ist.4. Spiral stacker according to one of claims 1 to 3, characterized in that the second part (2b) of the stripper (2) against the direction of rotation of the stacker wheel (1) can be moved back into the stripping position.
5. Banknotenbearbeitungsvorrichtung, umfassend einen oder mehrere Spi- ralfachstapler nach einem der Ansprüche 1 bis 4.5. Banknote processing device comprising one or more spiral stacker according to one of claims 1 to 4.
6. Verfahren zum Stapeln von Blattgut mittels eines Spiralfachstaplers, der ein Staplerrad (1) umfaßt, welches spiralförmig hintereinander um eine Rotationsachse angeordnete Fächer zur Aufnahme des Blattguts (98 bis 113) auf- weist, umfassend die folgenden Schritte:6. A method for stacking sheet material by means of a spiral compartment stacker which comprises a stacker wheel (1) which has compartments arranged one behind the other in a spiral around an axis of rotation for receiving the sheet material (98 to 113), comprising the following steps:
Zuführen des Blattguts in die Fächer des Staplerrads,Feeding the sheet material into the compartments of the stacker wheel,
Ausstreifen des Blattguts aus den Fächern des Staplerrads auf eine Stapelablage (4) mittels eines in Ausstreifposition befindlichenStrip the sheet material out of the compartments of the stacker wheel onto a stacking tray (4) by means of one in the stripping position
Ausstreifers (2; 2a, 2b) zur Bildung eines Blattgutstapels (5),Scraper (2; 2a, 2b) to form a stack of sheets (5),
wenn eine vorbestimmte Anzahl von Blättern erreicht ist, Herausbewegen eines ersten beweglichen Teils (2a) des Ausstreifers (2) aus der Ausstreifposition, während das Staplerrad (1) rotiert, derart dass das letzte Blatt (100) der vorbestimmten Anzahl von Blättern aus dem Staplerrad ausgestreift wird und das Blattgut (101) eines nächstfolgenden Fachs, im Staplerrad verbleibt, Vorbereiten des Sprialfachstaplers zum Abstapeln eines nächsten Blattgutstapels, und Zurückbewegen des ersten Teils (2a) des Ausstreifers (2) in die Ausstreifposition,when a predetermined number of sheets is reached, moving a first movable part (2a) of the stripper (2) out of the stripping position while the stacker wheel (1) rotates, so that the last sheet (100) of the predetermined number of sheets from the stacker wheel is stripped and the sheet material (101) of a next following compartment remains in the stacker wheel, preparing the multi-purpose stacker for stacking a next stack of sheet goods, and Moving the first part (2a) of the stripper (2) back into the stripping position,
gekennzeichnet durch die folgenden Schritte:characterized by the following steps:
Lösen eines zweiten beweglichen Teils (2b) des Ausstreifers (2) aus der Ausstreifposition und Mitbewegen mit dem rotierenden Staplerrad (1), wenn der erste Teil (2a) des Ausstreifers (2) aus der Ausstreifposition herausbewegt wird,Releasing a second movable part (2b) of the stripper (2) from the stripping position and moving with the rotating stacker wheel (1) when the first part (2a) of the stripper (2) is moved out of the stripping position,
weiter Zuführen von Blättern in die Fächer des Staplerrads, während der zweite Teil (2b) des Ausstreifers (2) mit dem Staplerrad (1) mitrotiert,feeding sheets into the compartments of the stacker wheel while the second part (2b) of the stripper (2) rotates with the stacker wheel (1),
- Arretieren des zweiten mitbewegten Teils (2b) des Ausstreifers (2) in der Ausstreifposition, wenn der Spiralfachstapler zum Abstapeln des nächsten Blattgutstapels vorbereitet ist, und- Locking the second moving part (2b) of the stripper (2) in the stripping position when the spiral stacker is prepared for stacking the next stack of sheets, and
Ausstreifen von in den Fächern befindlichem Blattgut mittels des arretierten zweiten Teils (2b) des Ausstreifers (2), während der ersteStripping of sheet material located in the compartments by means of the arrested second part (2b) of the stripper (2), while the first
Teil (la) des Ausstreifers (2) in die Ausstreifposition zurückbewegt wird.Part (la) of the stripper (2) is moved back into the stripping position.
7. Verfahren nach Anspruch 6, wobei der Schritt des Vorbereitens des Spi- ralfachstaplers zum Abstapeln eines nächsten Blattgutstapels die folgenden Schritte umfasst:7. The method of claim 6, wherein the step of preparing the spiral stacker for stacking a next stack of sheets comprises the following steps:
Zuführen einer Hilfsstapelablage (6) über die Stapelablage (4) zum Zwischenstapeln des nächsten Blattgutstapels darauf, Entfernen des Blattgutstapels (5) von der Stapelablage (4), undFeeding an auxiliary stacking tray (6) over the stacking tray (4) for intermediate stacking of the next stack of sheets thereon, Removing the stack of sheets (5) from the stacking tray (4), and
- Bringen der Hilfsstapelablage (6) mit dem zwischengestapelten Blattgutstapel und der Stapelablage (4) auf das selbe Niveau, nachdem der Blattgutstapel (5) von der Stapelablage (4) entfernt wurde.- Bring the auxiliary stack tray (6) with the stacked sheet material stack and the stack tray (4) to the same level after the sheet stack (5) has been removed from the stack tray (4).
8. Verfahren nach Anspruch 6 oder 7, wobei der zweite Teil (2b) des Ausstreifers (2) entgegen der Rotationsrichtung des Staplerrads (1) zurückbewegt wird, um ihn in der Ausstreifposition zu arretieren. 8. The method according to claim 6 or 7, wherein the second part (2b) of the stripper (2) is moved back against the direction of rotation of the stacker wheel (1) to lock it in the stripping position.
EP03766368A 2002-07-31 2003-07-30 Method and device for stacking sheet material Expired - Lifetime EP1527007B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10234970 2002-07-31
DE10234970A DE10234970B4 (en) 2002-07-31 2002-07-31 Method and device for stacking sheet material
PCT/EP2003/008434 WO2004013025A1 (en) 2002-07-31 2003-07-30 Method and device for stacking sheet material

Publications (2)

Publication Number Publication Date
EP1527007A1 true EP1527007A1 (en) 2005-05-04
EP1527007B1 EP1527007B1 (en) 2011-09-14

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EP03766368A Expired - Lifetime EP1527007B1 (en) 2002-07-31 2003-07-30 Method and device for stacking sheet material

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US (1) US7318586B2 (en)
EP (1) EP1527007B1 (en)
JP (1) JP4390145B2 (en)
CN (1) CN100532229C (en)
AT (1) ATE524402T1 (en)
AU (1) AU2003255328A1 (en)
DE (1) DE10234970B4 (en)
RU (1) RU2317935C2 (en)
WO (1) WO2004013025A1 (en)

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CN100532229C (en) 2009-08-26
US7318586B2 (en) 2008-01-15
ATE524402T1 (en) 2011-09-15
EP1527007B1 (en) 2011-09-14
DE10234970A1 (en) 2004-02-12
JP2005535027A (en) 2005-11-17
RU2317935C2 (en) 2008-02-27
DE10234970B4 (en) 2005-04-28
RU2005105689A (en) 2006-04-10
WO2004013025A1 (en) 2004-02-12
CN1671611A (en) 2005-09-21
US20050253322A1 (en) 2005-11-17
AU2003255328A1 (en) 2004-02-23
JP4390145B2 (en) 2009-12-24

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