EP3221055B1 - Apparatus for shredding value documents - Google Patents

Apparatus for shredding value documents Download PDF

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Publication number
EP3221055B1
EP3221055B1 EP15795115.3A EP15795115A EP3221055B1 EP 3221055 B1 EP3221055 B1 EP 3221055B1 EP 15795115 A EP15795115 A EP 15795115A EP 3221055 B1 EP3221055 B1 EP 3221055B1
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EP
European Patent Office
Prior art keywords
cutting device
cutting
elements
stripper elements
value documents
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.)
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Application number
EP15795115.3A
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German (de)
French (fr)
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EP3221055A1 (en
Inventor
Stefan Schneider
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 Currency Technology GmbH
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Giesecke and Devrient Currency Technology GmbH
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Publication of EP3221055A1 publication Critical patent/EP3221055A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2283—Feed means using rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
    • B02C2018/0069—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents with stripping devices

Definitions

  • the invention relates to a device for shredding value documents, e.g. Banknotes, checks, tickets, vouchers etc.
  • Value documents that are no longer fit for circulation are known to be sorted out and destroyed.
  • used banknotes z. B. by commercial banks, transport companies, etc., checked by means of banknote processing machines and sorted by their fitness for circulation. Notes that are so heavily soiled or damaged that they should not be re-circulated are destroyed, e.g. shredded. Also, in the quality inspection of new banknotes immediately after their production faulty banknotes are sorted out and shredded.
  • the shredding of banknotes is eg from the EP0565112 B1 known.
  • Known shredding devices have two rotatably mounted cutting devices, which rotate in opposite directions, and engage with their cutting edges.
  • the banknotes to be shredded are successively drawn one after the other between the two cutting devices and thereby cut by the cutting edges into small chips, which are torn along. These chips are removed by a scraper from the cutting edges and fall down or are sucked.
  • Another shredding device comprising scraper is off WO2004014559 known.
  • the shredding device is designed for shredding documents of value and has at least two counter-rotatable cylindrical cutting devices, which lie opposite one another with respect to a transport path of the value documents to be shredded.
  • the value documents to be shredded are transported one after the other along their transport path between the two cutting devices in order to shred them.
  • the two cutting devices each have a plurality of cutting edges, which mutually interlock at the facing front sides of the two cutting devices to cut the transported along the transport path value documents using the cutting edges in a variety of Werturgischnipsel.
  • the cutting device has, for example, a multiplicity of cutting disks, which have a circular outer contour have, wherein the cutting edges of the cutting device lie on the outside of the cutting discs and extend along the circumference.
  • the cutting devices are each assigned a scraper having a plurality of mutually parallel scraper elements, which are arranged so that the stripping between the cutting edges of the respective cutting device to remove the Werturgischnipsel of the cutting edges, in particular located between the cutting edges Werturgischnipsel.
  • the shape of the stripping elements is selected such that the stripping elements do not engage between the cutting edges of the respective cutting device at the front side of the respective cutting device facing the transport path of the value documents, but in particular not at the rear side of the respective cutting device facing away from the transport path of the value documents between the cutting edges of the respective cutting device to grab. This ensures that - viewed in the direction of rotation - after the scraper enough space for non-stripped Wert collectionschnipsel is created, which are pulled between the scraper and the cutter.
  • the side of the roller-shaped cutting device which faces the transport path of the value documents is designated as the front side of the respective cylindrical cutting device.
  • the rear side of the roller-shaped cutting device is correspondingly that side of the cylindrical cutting device which is remote from the transport path of the value documents.
  • the underside of the cutting device is the side of the cutting device at which the Wertzanipsel leave the cutter.
  • the scraper surrounds the respective cutting device preferably only at the front and bottom of the cutting device, but not at the back of the cutting device.
  • the lowest angular position of the respective cutting device is that azimuthal angular position of the cutting device (ie with respect to the axis of rotation of the cutting device), which, viewed along the direction of rotation of the cutting device, is 90 ° to the connecting line of the axes of the two cutting devices (ie the center of the underside of the cutter).
  • the stripping elements are stationary, i. they are not moved relative to the cutter.
  • the stripping elements are not mounted on the axis of the cutting device, but in an existing outside the cutter recording.
  • the attachment in an existing outside of the cutting device recording is advantageous because the shredder device is thereby easier to disassemble into its components scraper and cutter, e.g. to remove stuck value document snippets.
  • the stripping elements protrude from the outside between the cutting edges of the respective cutting device.
  • the wiping elements overlap the outer contour in a (circular arc) section which extends over an azimuthal angle section of the cutting device.
  • the overlapping angle section in which the stripping elements overlap with the outer contour of the respective cutting device, does not reach the document shredded documents until after the cutting process.
  • the shape of the stripping elements is selected such that the overlapping angle section in which the stripping elements and the outer contour of the cutting device overlap extends over at most 50 °, preferably at most 40 °, particularly preferably at most 25 °.
  • the arc length of the overlap area along the outer contour of the cutting device is preferably at most 40 mm, more preferably at most 20 mm.
  • the fact that the overlapping angle section is so short is achieved that as little as possible Werturgischnipsel hang in the space between the stripping and the cutting device.
  • the azimuthal position of the overlapping angle section (azimuthally, ie with respect to the axis of rotation of the cutting device), in which the stripping elements overlap with the outer contour of the respective cutting device, is in an angular range between 20 ° and 100 °, viewed along the direction of rotation of the cutting device. in particular between 20 ° and 80 °, after the line connecting the two cylindrical cutting devices.
  • the radial distance of the wiper elements from the surface of the cutter is at least 10 mm. This ensures that there is free space on the underside of the respective cutting device, between the cutting device and the wiper, in which unstripped Wert collectionschnipsel that have been pulled through between the wiper and the cutter, find space. This Wert collectionschnipsel can be transported away from the free space down, in particular be sucked.
  • the shape of the scraper elements is selected so that the distance between the scraper elements and the surface of the cutting device increases continuously from the overlapping angle section along the direction of rotation of the cutting device. Since the available space for unstripped Wert collectionschnipsel continues to increase after the scraper, a congestion of Wert collectionschnipsel is prevented and so facilitates the removal / suction of unstripped Wert collectionschnipsel.
  • the stripping elements essentially have the shape of two angle legs which enclose an internal angle which is between 110 ° and 160 °.
  • two mutually adjacent stripping elements of the cutting device are separated from each other by a spacer, which rests flat against the two adjacent stripping and (at least where it is located) fills the space between the two stripping.
  • the spacer elements are arranged outside the respective cutting device.
  • the side of the spacer elements facing the respective cutting device runs parallel to the outer contour of the cutting device.
  • the spacer elements have on their side facing the respective cutting device the smallest possible distance from the surface of the cutting device.
  • the radial distance of the stripping of the outer contour of the respective cutting device is at most 1 mm. This small distance avoids that Wert collectionschnipsel be pulled between the scraper and the cutter.
  • the shape and attachment of the stripping elements is designed so that there is a free space on the rear side of the respective cutting device in the radial direction of the cylindrical cutting device.
  • the free space is preferably in the lower region of the rear side of the respective cutting device.
  • the clearance is, for example, in an (azimuthal) angular range between 90 ° and 180 ° to the line connecting the two cylindrical cutting devices. However, it can also extend beyond the angular range to less than 90 ° and / or more than 180 °. From the surface of the cutting device, the free space extends in radial Direction preferably over a depth of at least 3 cm.
  • the azimuthal angular range of the cutting device, in which the free space extends in the radial direction over a depth of at least 3 cm, is at least 30 °.
  • the free space extends continuously over an azimuthal angular range of the cutting device of at least 30 ° over a depth of at least 3 cm.
  • the invention also relates to a device for processing documents of value comprising such a shredding device and a transport device for transporting the documents of value and for feeding the documents of value to the shredding device.
  • the transport device can be formed by one or more transport roller pairs and / or transport belts.
  • the apparatus may include suction means (e.g., suction pump) connected to the output side of the shredding device for sucking out the shreds of value shreds from the shredding device.
  • a first embodiment of a roller-shaped cutting device 1 which has a plurality of cutting discs 7, which are separated by spacers 5 from each other.
  • the cutting discs 7 have along their circumference several indentations, between which the cutting edges 10 of the respective cutter disc are located.
  • the cutting disks 7 and the spacer disks 5 are arranged on an axle body 6, through whose center the axis of rotation A of the cutting device 1 extends.
  • the thickness of the cutting discs 7 is slightly smaller than that of the spacer discs 5, so that the cutting discs 17 of the second cutting device (see. Fig. 1e ) with the cutting discs 7 of the first cutter when meshing not touch.
  • the cutting discs 7 and the spacer discs 5 are fixedly connected to each other in the axial direction and rotatably supported about the axle 6.
  • the scraper has a plurality of stripping elements 2, each of which engage in a gap between two cutter disks 7 and extend as close as possible to the spacer disks 5, but without touching them. In order to ensure a fixed distance between the stripping elements 2, they are separated from one another by spacer elements 4, cf. Fig. 1b , The stripping elements 2 are formed angularly, wherein the two angle legs include an internal angle ⁇ of about 120 ° in this example.
  • the spacer elements 4 of the wiper have on their the transport path T of the documents of value side facing a radial distance c of at most 1 mm from the outer contour K of the cutting device. 1
  • the stripping elements 2 and their spacer elements 4 are fastened in a receptacle 3 present outside the cutting device.
  • This receptacle 3 may be formed by an adhesive-filled pan, in which the stripping elements 2 and the spacer elements 4, in particular their foot 8, are fixed with adhesive, for example with epoxy resin.
  • adhesive for example with epoxy resin.
  • two frame members 9 are fixed, which serve to hold the scraper.
  • the scraper is positioned and the thickness of the spacer elements 4 of the scraper appropriately chosen so that the scraper 2 protrude between the blades 7 of the cutting device 1. So that the stripping elements 2 do not rub against the cutting disks 7, between which they protrude, the thickness of the stripping elements 2 is slightly smaller than that of the spacer disks 5 of the cutting device 1.
  • the stripping elements 2 remove valuable document chips adhering to the cutting device 1 in order to prevent them Wert conceptionschnipsel between the cutter 1 and the stripping elements 2 are pulled.
  • the stripping elements 2 overlap with the outer contour K of the cutting device 1 - viewed along the direction of rotation D of the cutting device 1 - in an angular section ⁇ , which is in an angular range between 20 ° and 80 ° to the connecting line L of the two cylindrical cutting devices.
  • the Figures 1c and 1d show three-dimensional views of the scraper and its holder 3.
  • the free space F extends from the surface of the cutting device 1 in the radial direction (in Fig. 1a to the bottom left).
  • the free space F extends between the wiper holder 3 and the fastening mandrel 8, which is inserted through the receiving hole 12 of the frame part 9, see. Fig. 2 ).
  • the centers of the two cylindrical cutting devices 1 and 1 'from Fig. 1e connects the free space F in this example from the azimuthal angle 115 ° to 153 ° in Clockwise.
  • the free space F thus extends in this example over an azimuthal angular range ⁇ of 38 °.
  • a shredder device which has two counter-rotatable cylindrical cutting devices 1, 1 '(direction of rotation D and D').
  • a transport roller pair 11, 11 ' By means of a transport roller pair 11, 11 ', the value documents are fed along the transport path of the shredding device and shredded by it.
  • the cutting devices 1, 1 ' are formed axially symmetrical to each other and arranged so that their cutting edges 10 on the mutually facing front sides V of the two cutting devices intermesh each other, see. Fig. 1a ,
  • the Cutting edges 10 of the two cutting devices value documents 20, which are fed along the transport path T of the shredding device, cut into a plurality of Wert collectionschnipsel.
  • the Wert sampleschnipsel be sucked down.
  • the air flow is not only along the two middle arrows S in the extension of the transport path 20, but also from the left cutter 1 to the bottom left and from the right cutter 1 'to the bottom right. Since there is between the frame 9, 9 'of the free space F, pulled-through Wert collectionschnipsel that get into this space can be sucked down.
  • Fig. 2 shows a 3D view of the shredding device from below, ie viewed from the output side, where the Wert collectionschnipsel be transported out of the shredder device.
  • a further embodiment of the shredding device is shown in which a different shape of the stripping elements 2 has been selected.
  • the angle vertex of the two angle legs of the stripping elements 2 is substantially further away from the surface of the cutting device than in the stripping elements 2 Fig. 1a-e , As a result, the distance between the stripping elements at the lowest angular position of the cutting device is substantially greater, and the holder 3 of the stripping elements 2 can be placed further away from the cylindrical cutting device 1.

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  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Schreddern von Wertdokumenten, z.B. Banknoten, Schecks, Tickets, Gutscheine etc.The invention relates to a device for shredding value documents, e.g. Banknotes, checks, tickets, vouchers etc.

Wertdokumente, die nicht mehr umlauffähig sind, werden bekanntermaßen aussortiert und vernichtet. Zum Beispiel werden gebrauchte Banknoten, die z. B. von Geschäftsbanken, Werttransportunternehmen usw. angenommen werden, mittels Banknotenbearbeitungsmaschinen geprüft und nach ihrer Umlauffähigkeit sortiert. Banknoten, die so stark verschmutzt oder beschädigt sind, dass sie nicht erneut in den Umlauf gelangen sollen, werden vernichtet, z.B. geschreddert. Auch bei der Qualitätsprüfung neuer Banknoten unmittelbar nach deren Herstellung werden fehlerhafte Banknoten aussortiert und geschreddert.Value documents that are no longer fit for circulation are known to be sorted out and destroyed. For example, used banknotes z. B. by commercial banks, transport companies, etc., checked by means of banknote processing machines and sorted by their fitness for circulation. Notes that are so heavily soiled or damaged that they should not be re-circulated are destroyed, e.g. shredded. Also, in the quality inspection of new banknotes immediately after their production faulty banknotes are sorted out and shredded.

Das Schreddern der Banknoten ist z.B. aus der EP0565112 B1 bekannt. Bekannte Schreddervorrichtungen weisen zwei drehbar gelagerte Schneideinrichtungen auf, die sich gegenläufig drehen, und mit ihren Schneidkanten ineinander greifen. Die zu schreddernden Banknoten werden einzeln nacheinander zwischen die beiden Schneideinrichtungen hineingezogen und dabei von den Schneidkanten in schmale Schnipsel zerschnitten, die längs abgerissen werden. Diese Schnipsel werden mittels eines Abstreifers von den Schneidkanten entfernt und fallen nach unten oder werden abgesaugt.The shredding of banknotes is eg from the EP0565112 B1 known. Known shredding devices have two rotatably mounted cutting devices, which rotate in opposite directions, and engage with their cutting edges. The banknotes to be shredded are successively drawn one after the other between the two cutting devices and thereby cut by the cutting edges into small chips, which are torn along. These chips are removed by a scraper from the cutting edges and fall down or are sucked.

Eine weitere Schreddervorrichtung umfassend Abstreifer ist aus WO2004014559 bekannt.Another shredding device comprising scraper is off WO2004014559 known.

Nachteilig ist bei solchen Schreddern, dass sich die zerschnittenen Banknotenschnipsel zwischen den Schneidkanten der Schneidvorrichtungen hängen bleiben und vom Abstreifer nicht vollständig entfernt werden. Die Banknotenschnipsel verhaken sich außerdem auch ineinander. Manche Banknotenschnipsel bleiben - trotz des Abstreifers - teilweise zwischen den Schneidkanten hängen. Wertdokumentschnipsel, die zwischen der Schneideinrichtung und dem Abstreifer hindurchgezogen werden, können den Schneidvorgang des nächsten Wertdokuments behindern und verstopfen die Schneideinrichtung. Außerdem bilden sich häufig sogenannte Schredderbärte, die aus vielen miteinander verhakten Banknotenschnipsel bestehen, die sich am Ende der Schneideinrichtungen ablagern. Diese Schredderbärte treten vor allem beim Schreddern von Polymer-Banknoten auf. Die Schredderbärte bzw. die zwischen den Schneidkanten hängenden Banknotenschnipsel müssen regelmäßig manuell entfernt werden.A disadvantage of such shredders that the shredded banknote snippets get caught between the cutting edges of the cutting devices and are not completely removed by the scraper. The banknote snippets also get caught up in each other. Some banknote snippets - despite the scraper - partially hang between the cutting edges. Wertdokumentschnipsel, between the cutting device and pulled through the scraper, can hinder the cutting process of the next value document and clog the cutter. In addition, so-called shredded beards often form, consisting of many interlocked banknote snippets, which are deposited at the end of the cutting devices. These shredded beards occur mainly when shredding polymer banknotes. The shredded beards or the banknote clippings hanging between the cutting edges must be removed manually on a regular basis.

Es ist daher eine Aufgabe der Erfindung, eine Schreddervorrichtung für Wertdokumente anzugeben, die weniger manuelle Eingriffe benötigt.It is therefore an object of the invention to provide a shredder device for value documents that requires less manual intervention.

Diese Aufgabe wird gelöst durch die Schreddervorrichtung gemäß Anspruch 1. In den abhängigen Ansprüchen sind vorteilhafte Weiterbildungen der Erfindung angegeben.This object is achieved by the shredding device according to claim 1. In the dependent claims advantageous developments of the invention are given.

Die erfindungsgemäße Schreddervorrichtung ist zum Schreddern von Wertdokumenten ausgebildet und weist mindestens zwei gegenläufig zueinander drehbare walzenförmige Schneideinrichtungen auf, die bezüglich eines Transportpfads der zu schreddernden Wertdokumente einander gegenüberliegen. Die zu schreddernden Wertdokumente werden entlang ihres Transportpfads einzeln nacheinander zwischen die beiden Schneideinrichtungen hinein transportiert um sie zu schreddern. An ihrer Oberfläche weisen die beiden Schneideinrichtungen jeweils eine Vielzahl von Schneidkanten auf, die an den einander zugewandten Vorderseiten der beiden Schneideinrichtungen gegenseitig ineinander greifen, um die entlang des Transportpfads transportierten Wertdokumente mit Hilfe der Schneidkanten in eine Vielzahl von Wertdokumentschnipsel zu zerschneiden. Die Schneideinrichtung weist z.B. eine Vielzahl von Messerscheiben auf, die eine kreisförmige Außenkontur haben, wobei die Schneidkanten der Schneideinrichtung an der Außenseite der Messerscheiben liegen und entlang deren Umfang verlaufen.The shredding device according to the invention is designed for shredding documents of value and has at least two counter-rotatable cylindrical cutting devices, which lie opposite one another with respect to a transport path of the value documents to be shredded. The value documents to be shredded are transported one after the other along their transport path between the two cutting devices in order to shred them. On their surface, the two cutting devices each have a plurality of cutting edges, which mutually interlock at the facing front sides of the two cutting devices to cut the transported along the transport path value documents using the cutting edges in a variety of Wertdokumentschnipsel. The cutting device has, for example, a multiplicity of cutting disks, which have a circular outer contour have, wherein the cutting edges of the cutting device lie on the outside of the cutting discs and extend along the circumference.

Den Schneideinrichtungen ist jeweils ein Abstreifer zugeordnet, der mehrere parallel zueinander angeordnete Abstreifelemente aufweist, die so angeordnet sind, dass die Abstreifelemente zwischen die Schneidkanten der jeweiligen Schneideinrichtung greifen, um die Wertdokumentschnipsel von den Schneidkanten, insbesondere zwischen den Schneidkanten befindliche Wertdokumentschnipsel, zu entfernen. Die Form der Abstreifelemente ist so gewählt, dass die Abstreifelemente an der dem Transportpfad der Wertdokumente zugewandten Vorderseite der jeweiligen Schneideinrichtung zwischen die Schneidkanten der jeweiligen Schneideinrichtung greifen, insbesondere aber an der vom Transportpfad der Wertdokumente abgewandten Rückseite der jeweiligen Schneideinrichtung nicht zwischen die Schneidkanten der jeweiligen Schneideinrichtung greifen. So wird erreicht, dass - in Drehrichtung betrachtet - nach dem Abstreifer genügend Platz für nicht abgestreifte Wertdokumentschnipsel geschaffen wird, die zwischen dem Abstreifer und der Schneideinrichtung hindurchgezogen werden.The cutting devices are each assigned a scraper having a plurality of mutually parallel scraper elements, which are arranged so that the stripping between the cutting edges of the respective cutting device to remove the Wertdokumentschnipsel of the cutting edges, in particular located between the cutting edges Wertdokumentschnipsel. The shape of the stripping elements is selected such that the stripping elements do not engage between the cutting edges of the respective cutting device at the front side of the respective cutting device facing the transport path of the value documents, but in particular not at the rear side of the respective cutting device facing away from the transport path of the value documents between the cutting edges of the respective cutting device to grab. This ensures that - viewed in the direction of rotation - after the scraper enough space for non-stripped Wertdokumentschnipsel is created, which are pulled between the scraper and the cutter.

Im Rahmen dieser Anmeldung wird als Vorderseite der jeweiligen walzenförmigen Schneideinrichtung diejenige Seite der walzenförmigen Schneideinrichtung bezeichnet, die dem Transportpfad der Wertdokumente zugewandt ist. Die Rückseite der walzenförmigen Schneideinrichtung ist entsprechend diejenige Seite der walzenförmigen Schneideinrichtung, die von dem Transportpfad der Wertdokumente abgewandt ist. Die Unterseite der Schneideinrichtung ist die Seite der Schneideinrichtung, an der die Wertdokumentschnipsel die Schneideinrichtung verlassen. Der Abstreifer umgibt die jeweilige Schneideinrichtung vorzugsweise nur an der Vorder- und Unterseite der Schneideinrichtung, aber nicht an der Rückseite der Schneideinrichtung. Die unterste Winkelposition der jeweiligen Schneideinrichtung ist diejenige azimutale Winkelposition der Schneideinrichtung (d.h. bezogen auf die Drehachse der Schneideinrichtung), die sich, entlang der Drehrichtung der Schneideinrichtung betrachtet, 90° nach der Verbindungslinie der Achsen der beiden Schneideinrichtungen befindet (also die Mitte der Unterseite der Schneideinrichtung).In the context of this application, the side of the roller-shaped cutting device which faces the transport path of the value documents is designated as the front side of the respective cylindrical cutting device. The rear side of the roller-shaped cutting device is correspondingly that side of the cylindrical cutting device which is remote from the transport path of the value documents. The underside of the cutting device is the side of the cutting device at which the Wertdokumentschnipsel leave the cutter. The scraper surrounds the respective cutting device preferably only at the front and bottom of the cutting device, but not at the back of the cutting device. The lowest angular position of the respective cutting device is that azimuthal angular position of the cutting device (ie with respect to the axis of rotation of the cutting device), which, viewed along the direction of rotation of the cutting device, is 90 ° to the connecting line of the axes of the two cutting devices (ie the center of the underside of the cutter).

Die Abstreifelemente sind ortsfest, d.h. sie werden relativ zur Schneideinrichtung nicht bewegt. Die Abstreifelemente sind nicht auf der Achse der Schneideinrichtung befestigt, sondern in einer außerhalb der Schneideinrichtung vorhandenen Aufnahme. Im Vergleich zu bisher bekannten Abstreifern, die auf der Achse der Schneideinrichtung gehaltert sind, ist die Befestigung in einer außerhalb der Schneideinrichtung vorhandenen Aufnahme vorteilhaft, da die Schreddervorrichtung dadurch leichter in ihre Bestandteile Abstreifer und Schneideinrichtung zerlegbar ist, z.B. um festhängende Wertdokumentschnipsel zu entfernen.The stripping elements are stationary, i. they are not moved relative to the cutter. The stripping elements are not mounted on the axis of the cutting device, but in an existing outside the cutter recording. Compared to previously known scrapers, which are supported on the axis of the cutting device, the attachment in an existing outside of the cutting device recording is advantageous because the shredder device is thereby easier to disassemble into its components scraper and cutter, e.g. to remove stuck value document snippets.

Die Abstreifelemente ragen von außen zwischen die Schneidkanten der jeweiligen Schneideinrichtung hinein. Betrachtet man die (kreisförmige) Außenkontur der walzenförmigen Schneideinrichtung, so überlappen die Abstreifelemente mit der Außenkontur in einem (Kreisbogen-)Abschnitt, der sich über einen azimutalen Winkelabschnitt der Schneideinrichtung erstreckt. Den überlappenden Winkelabschnitt, in dem die Abstreifelemente mit der Außenkontur der jeweiligen Schneideinrichtung überlappen, erreichen die Wertdokumentschnipsel erst nach dem Zerschneiden. Die Form der Abstreifelemente ist so gewählt, dass sich der überlappende Winkelabschnitt, in dem sich die Abstreifelemente und die Außenkontur der Schneideinrichtung überlappen, über höchstens 50° erstreckt, bevorzugt höchstens 40°, besonders bevorzugt höchstens 25°. Die Bogenlänge des Überlappungsbereichs entlang der Außenkontur der Schneideinrichtung beträgt bevorzugt höchstens 40 mm, besonders bevorzugt höchstens 20 mm. Dadurch dass der überlappende Winkelabschnitt so kurz ist wird erreicht, dass im Zwischenraum zwischen den Abstreifelementen und der Schneideinrichtung möglichst wenig Wertdokumentschnipsel hängen bleiben. Die azimutale Position des überlappenden Winkelabschnitts (azimutal, d.h. bezogen auf die Drehachse der Schneideinrichtung), in dem die Abstreifelemente mit der Außenkontur der jeweiligen Schneideinrichtung überlappen, befindet sich - entlang der Drehrichtung der Schneideinrichtung betrachtet - in einem Winkelbereich zwischen 20° und 100°, insbesondere zwischen 20° und 80°, nach der Verbindungslinie der beiden walzenförmigen Schneideinrichtungen.The stripping elements protrude from the outside between the cutting edges of the respective cutting device. Considering the (circular) outer contour of the roller-shaped cutting device, the wiping elements overlap the outer contour in a (circular arc) section which extends over an azimuthal angle section of the cutting device. The overlapping angle section, in which the stripping elements overlap with the outer contour of the respective cutting device, does not reach the document shredded documents until after the cutting process. The shape of the stripping elements is selected such that the overlapping angle section in which the stripping elements and the outer contour of the cutting device overlap extends over at most 50 °, preferably at most 40 °, particularly preferably at most 25 °. The arc length of the overlap area along the outer contour of the cutting device is preferably at most 40 mm, more preferably at most 20 mm. The fact that the overlapping angle section is so short is achieved that as little as possible Wertdokumentschnipsel hang in the space between the stripping and the cutting device. The azimuthal position of the overlapping angle section (azimuthally, ie with respect to the axis of rotation of the cutting device), in which the stripping elements overlap with the outer contour of the respective cutting device, is in an angular range between 20 ° and 100 °, viewed along the direction of rotation of the cutting device. in particular between 20 ° and 80 °, after the line connecting the two cylindrical cutting devices.

An der untersten Winkelposition der Schneideinrichtung beträgt der radiale Abstand der Abstreifelemente von der Oberfläche der Schneideinrichtung (radial in Bezug auf den Mittelpunkt der walzenförmigen Schneideinrichtung) mindestens 10 mm. Damit wird erreicht, dass an der Unterseite der jeweiligen Schneideinrichtung, zwischen der Schneideinrichtung und dem Abstreifer ein Freiraum besteht, in dem nicht abgestreifte Wertdokumentschnipsel, die zwischen dem Abstreifer und der Schneideinrichtung hindurchgezogen wurden, Platz finden. Diese Wertdokumentschnipsel können von dem Freiraum nach unten abtransportiert, insbesondere abgesaugt werden.At the lowermost angular position of the cutter, the radial distance of the wiper elements from the surface of the cutter (radially with respect to the center of the cylindrical cutter) is at least 10 mm. This ensures that there is free space on the underside of the respective cutting device, between the cutting device and the wiper, in which unstripped Wertdokumentschnipsel that have been pulled through between the wiper and the cutter, find space. This Wertdokumentschnipsel can be transported away from the free space down, in particular be sucked.

Die Form der Abstreifelemente ist so gewählt, dass sich der Abstand, den die Abstreifelemente von der Oberfläche der Schneideinrichtung aufweisen, ab dem überlappenden Winkelabschnitt entlang der Drehrichtung der Schneideinrichtung durchgehend vergrößert. Da der verfügbare Platz für nicht abgestreifte Wertdokumentschnipsel nach dem Abstreifer immer weiter zunimmt, wird ein Stau der Wertdokumentschnipsel verhindert und so das Abtransportieren/ Absaugen der nicht abgestreiften Wertdokumentschnipsel erleichtert. Beispielsweise haben die Abstreifelemente im Wesentlichen die Form zweier Winkelschenkel, die einen Innenwinkel einschließen, der zwischen 110° und 160° beträgt.The shape of the scraper elements is selected so that the distance between the scraper elements and the surface of the cutting device increases continuously from the overlapping angle section along the direction of rotation of the cutting device. Since the available space for unstripped Wertdokumentschnipsel continues to increase after the scraper, a congestion of Wertdokumentschnipsel is prevented and so facilitates the removal / suction of unstripped Wertdokumentschnipsel. For example, the stripping elements essentially have the shape of two angle legs which enclose an internal angle which is between 110 ° and 160 °.

Jeweils zwei zueinander benachbarte Abstreifelemente der Schneideinrichtung sind durch ein Abstandselement voneinander getrennt, das flächig an den beiden benachbarten Abstreifelementen anliegt und (zumindest dort, wo es sich befindet) den Zwischenraum zwischen den beiden Abstreifelementen ausfüllt. Die Abstandselemente sind außerhalb der jeweiligen Schneideinrichtung angeordnet. Beispielsweise verläuft die der jeweiligen Schneideinrichtung zugewandte Seite der Abstandselemente parallel zur Außenkontur der Schneideinrichtung. Die Abstandselemente haben an ihrer der jeweiligen Schneideinrichtung zugewandten Seite einen möglichst geringen Abstand zur Oberfläche der Schneideinrichtung. Bevorzugt beträgt der radiale Abstand der Abstreifelemente von der Außenkontur der jeweiligen Schneideinrichtung höchstens 1 mm. Durch diesen geringen Abstand wird vermieden, dass Wertdokumentschnipsel zwischen dem Abstreifer und der Schneideinrichtung hindurchgezogen werden.In each case two mutually adjacent stripping elements of the cutting device are separated from each other by a spacer, which rests flat against the two adjacent stripping and (at least where it is located) fills the space between the two stripping. The spacer elements are arranged outside the respective cutting device. For example, the side of the spacer elements facing the respective cutting device runs parallel to the outer contour of the cutting device. The spacer elements have on their side facing the respective cutting device the smallest possible distance from the surface of the cutting device. Preferably, the radial distance of the stripping of the outer contour of the respective cutting device is at most 1 mm. This small distance avoids that Wertdokumentschnipsel be pulled between the scraper and the cutter.

Die Form und Befestigung der Abstreifelemente ist so ausgebildet, dass an der Rückseite der jeweiligen Schneideinrichtung in radialer Richtung der walzenförmigen Schneideinrichtung ein Freiraum besteht. Der Freiraum befindet sich bevorzugt im unterer Bereich der Rückseite der jeweiligen Schneideinrichtung. Der Freiraum befindet sich z.B. in einem (azimutalen) Winkelbereich zwischen 90° und 180° nach der Verbindungslinie der beiden walzenförmigen Schneideinrichtungen. Er kann sich aber auch über den Winkelbereich bis unter 90° und/oder bis über 180° hinaus erstrecken. Ab der Oberfläche der Schneideinrichtung erstreckt sich der Freiraum in radialer Richtung bevorzugt über eine Tiefe von mindestens 3 cm. Der azimutale Winkelbereich der Schneideinrichtung, in dem sich der Freiraum in radialer Richtung über eine Tiefe von mindestens 3 cm erstreckt, beträgt mindestens 30°. Bevorzugt erstreckt sich der Freiraum durchgehend über einen azimutalen Winkelbereich der Schneideinrichtung von mindestens 30° über eine Tiefe von mindestens 3 cm.The shape and attachment of the stripping elements is designed so that there is a free space on the rear side of the respective cutting device in the radial direction of the cylindrical cutting device. The free space is preferably in the lower region of the rear side of the respective cutting device. The clearance is, for example, in an (azimuthal) angular range between 90 ° and 180 ° to the line connecting the two cylindrical cutting devices. However, it can also extend beyond the angular range to less than 90 ° and / or more than 180 °. From the surface of the cutting device, the free space extends in radial Direction preferably over a depth of at least 3 cm. The azimuthal angular range of the cutting device, in which the free space extends in the radial direction over a depth of at least 3 cm, is at least 30 °. Preferably, the free space extends continuously over an azimuthal angular range of the cutting device of at least 30 ° over a depth of at least 3 cm.

Die Erfindung betrifft auch eine Vorrichtung zur Bearbeitung von Wertdokumenten, die eine solche Schreddervorrichtung aufweist und eine Transporteinrichtung zum Transportieren der Wertdokumente und zum Zuführen der Wertdokumente zu der Schreddervorrichtung. Die Transporteinrichtung kann durch eines oder mehrere Transportrollenpaare und/oder Transportriemen gebildet sein. Desweiteren kann die Vorrichtung eine Saugeinrichtung (z.B. Saugpumpe) umfassen, die an der Ausgangsseite der Schreddervorrichtung angeschlossen ist, um die Wertdokumentschnipsel aus der Schreddervorrichtung abzusaugen.The invention also relates to a device for processing documents of value comprising such a shredding device and a transport device for transporting the documents of value and for feeding the documents of value to the shredding device. The transport device can be formed by one or more transport roller pairs and / or transport belts. Furthermore, the apparatus may include suction means (e.g., suction pump) connected to the output side of the shredding device for sucking out the shreds of value shreds from the shredding device.

Weitere Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung der Ausführungsbeispiele. Es zeigen:

  • Fig. 1a-e Erstes Ausführungsbeispiel der Schreddervorrichtung (Fig. 1e) und deren Bestandteile (Fig. 1a-d),
  • Fig. 2 3D-Ansicht der Schreddervorrichtung aus Fig. 1e von unten,
  • Fig. 3a-b zweites Ausführungsbeispiel der Schreddervorrichtung.
Further advantages of the present invention will become apparent from the following description of the embodiments. Show it:
  • Fig. 1a-e First embodiment of the shredding device ( Fig. 1e ) and their components ( Fig. 1a-d )
  • Fig. 2 3D view of the shredder device Fig. 1e from underneath,
  • Fig. 3a-b second embodiment of the shredding device.

In Fig. 1a ist ein erstes Ausführungsbeispiel einer walzenförmigen Schneideinrichtung 1 gezeigt, die eine Vielzahl von Messerscheiben 7 aufweist, welche durch Abstandsscheiben 5 voneinander getrennt sind. Die Messerscheiben 7 haben entlang ihres Umfangs mehrere Einkerbungen, zwischen denen sich die Schneidkanten 10 der jeweiligen Messerscheibe befinden. Die Messerscheiben 7 und die Abstandsscheiben 5 sind auf einem Achskörper 6 angeordnet, durch dessen Mittelpunkt die Drehachse A der Schneideinrichtung 1 verläuft. Die Dicke der Messerscheiben 7 ist geringfügig kleiner als die der Abstandsscheiben 5, so dass sich die Messerscheiben 17 der zweiten Schneideinrichtung (vgl. Fig. 1e) mit den Messerscheiben 7 der ersten Schneideinrichtung beim Ineinandergreifen nicht berühren. Die Messerscheiben 7 und die Abstandsscheiben 5 sind in axialer Richtung fest miteinander verbunden und drehbar um den Achskörper 6 gelagert.In Fig. 1a a first embodiment of a roller-shaped cutting device 1 is shown, which has a plurality of cutting discs 7, which are separated by spacers 5 from each other. The cutting discs 7 have along their circumference several indentations, between which the cutting edges 10 of the respective cutter disc are located. The cutting disks 7 and the spacer disks 5 are arranged on an axle body 6, through whose center the axis of rotation A of the cutting device 1 extends. The thickness of the cutting discs 7 is slightly smaller than that of the spacer discs 5, so that the cutting discs 17 of the second cutting device (see. Fig. 1e ) with the cutting discs 7 of the first cutter when meshing not touch. The cutting discs 7 and the spacer discs 5 are fixedly connected to each other in the axial direction and rotatably supported about the axle 6.

Der Abstreifer weist eine Vielzahl von Abstreifelementen 2 auf, die jeweils in eine Lücke zwischen zwei Messerscheiben 7 greifen und sich möglichst nah bis zu den Abstandsscheiben 5 erstrecken, ohne diese jedoch zu berühren. Um einen fixen Abstand zwischen den Abstreifelementen 2 sicherzustellen, sind diese durch Abstandselemente 4 voneinander getrennt, vgl. Fig. 1b. Die Abstreifelemente 2 sind winkelförmig ausgebildet, wobei die beiden Winkelschenkel in diesem Beispiel einen Innenwinkel α von etwa 120° einschließen. Die Abstandselemente 4 des Abstreifers haben an ihrer dem Transportpfad T der Wertdokumente zugewandten Seite einen radialen Abstand c von höchstens 1 mm von der Außenkontur K der Schneideinrichtung 1.The scraper has a plurality of stripping elements 2, each of which engage in a gap between two cutter disks 7 and extend as close as possible to the spacer disks 5, but without touching them. In order to ensure a fixed distance between the stripping elements 2, they are separated from one another by spacer elements 4, cf. Fig. 1b , The stripping elements 2 are formed angularly, wherein the two angle legs include an internal angle α of about 120 ° in this example. The spacer elements 4 of the wiper have on their the transport path T of the documents of value side facing a radial distance c of at most 1 mm from the outer contour K of the cutting device. 1

Die Abstreifelemente 2 und deren Abstandselemente 4 sind in einer außerhalb der Schneideinrichtung vorhandenen Aufnahme 3 befestigt. Diese Aufnahme 3 kann durch eine klebstoffgefüllte Wanne gebildet sein, in der die Abstreifelemente 2 und die Abstandselemente 4, insbesondere deren Fuß 8, mit Klebstoff, z.B. mit Epoxydharz, fixiert sind. Im Klebstoff der klebstoffgefüllten Wanne 3 sind außerdem zwei Rahmenelemente 9 fixiert, die zur Halterung des Abstreifers dienen.The stripping elements 2 and their spacer elements 4 are fastened in a receptacle 3 present outside the cutting device. This receptacle 3 may be formed by an adhesive-filled pan, in which the stripping elements 2 and the spacer elements 4, in particular their foot 8, are fixed with adhesive, for example with epoxy resin. In the adhesive of the adhesive-filled tub 3 also two frame members 9 are fixed, which serve to hold the scraper.

Der Abstreifer ist so positioniert und die Dicke der Abstandselemente 4 des Abstreifers entsprechend gewählt, dass die Abstreifelemente 2 zwischen die Messerscheiben 7 der Schneideinrichtung 1 hineinragen. Damit die Abstreifelemente 2 nicht an den Messerscheiben 7 reiben, zwischen die sie hineinragen, ist die Dicke der Abstreifelemente 2 etwas geringer als die der Abstandsscheiben 5 der Schneideinrichtung 1. Die Abstreifelemente 2 entfernen an der Schneideinrichtung 1 haftende Wertdokumentschnipsel, um zu verhindern, dass diese Wertdokumentschnipsel zwischen der Schneideinrichtung 1 und den Abstreifelementen 2 hindurchgezogen werden.The scraper is positioned and the thickness of the spacer elements 4 of the scraper appropriately chosen so that the scraper 2 protrude between the blades 7 of the cutting device 1. So that the stripping elements 2 do not rub against the cutting disks 7, between which they protrude, the thickness of the stripping elements 2 is slightly smaller than that of the spacer disks 5 of the cutting device 1. The stripping elements 2 remove valuable document chips adhering to the cutting device 1 in order to prevent them Wertdokumentschnipsel between the cutter 1 and the stripping elements 2 are pulled.

Die Abstreifelemente 2 überlappen mit der Außenkontur K der Schneideinrichtung 1 - entlang der Drehrichtung D der Schneideinrichtung 1 betrachtet - in einem Winkelabschnitt ω, der sich in einem Winkelbereich zwischen 20° und 80° nach der Verbindungslinie L der beiden walzenförmigen Schneideinrichtungen befindet. Der überlappende Winkelabschnitt α beginnt in diesem Beispiel bei β=50° und endet bei γ=68° und erstreckt sich über etwa 18°.The stripping elements 2 overlap with the outer contour K of the cutting device 1 - viewed along the direction of rotation D of the cutting device 1 - in an angular section ω, which is in an angular range between 20 ° and 80 ° to the connecting line L of the two cylindrical cutting devices. The overlapping angle section α starts in this example at β = 50 ° and ends at γ = 68 ° and extends over about 18 °.

Die Figuren 1c und 1d zeigen dreidimensionale Ansichten des Abstreifers und dessen Halterung 3. Hier ist erkennbar, dass zwischen den beiden Rahmenteilen 9 ein Freiraum F liegt, der im unteren Bereich der (vom Transportpfad T abgewandten) Rückseite R der Schneideinrichtung 1 aus Fig. 1a liegt. Der Freiraum F erstreckt sich von der Oberfläche der Schneideinrichtung 1 in radialer Richtung (in Fig. 1a nach links unten). Der Freiraum F erstreckt sich zwischen der Abstreifer-Halterung 3 und dem Befestigungsdorn 8, der durch das Aufnahmeloch 12 des Rahmenteils 9 gesteckt wird, vgl. Fig. 2). Relativ zur Verbindungslinie L, die die Mittelpunkte der beiden walzenförmigen Schneideinrichtungen 1 und 1' aus Fig. 1e verbindet, erstreckt sich der Freiraum F in diesem Beispiel vom azimutalen Winkel 115° bis 153° im Uhrzeigersinn. Der Freiraum F erstreckt sich in diesem Beispiel also über einen azimutalen Winkelbereich δ von 38°.The Figures 1c and 1d show three-dimensional views of the scraper and its holder 3. Here it can be seen that between the two frame parts 9 is a free space F, in the lower region of the (away from the transport path T) back R of the cutting device 1 from Fig. 1a lies. The free space F extends from the surface of the cutting device 1 in the radial direction (in Fig. 1a to the bottom left). The free space F extends between the wiper holder 3 and the fastening mandrel 8, which is inserted through the receiving hole 12 of the frame part 9, see. Fig. 2 ). Relative to the connecting line L, the centers of the two cylindrical cutting devices 1 and 1 'from Fig. 1e connects the free space F in this example from the azimuthal angle 115 ° to 153 ° in Clockwise. The free space F thus extends in this example over an azimuthal angular range δ of 38 °.

In Fig. 1e ist eine Schreddervorrichtung gezeigt, die zwei gegenläufig zueinander drehbare walzenförmige Schneideinrichtungen 1, 1' aufweist (Drehrichtung D bzw. D'). Mit Hilfe eines Transportrollenpaars 11, 11' werden die Wertdokumente entlang des Transportpfads der Schreddervorrichtung zugeführt und durch diese geschreddert.In Fig. 1e a shredder device is shown which has two counter-rotatable cylindrical cutting devices 1, 1 '(direction of rotation D and D'). By means of a transport roller pair 11, 11 ', the value documents are fed along the transport path of the shredding device and shredded by it.

Die Schneideinrichtungen 1, 1' sind achsensymmetrisch zueinander ausgebildet und so angeordnet, dass deren Schneidkanten 10 an den einander zugewandten Vorderseiten V der beiden Schneideinrichtungen gegenseitig ineinander greifen, vgl. Fig. 1a. Durch die Schneidkanten 10 der beiden Schneideinrichtungen werden Wertdokumente 20, die entlang des Transportpfads T der Schreddervorrichtung zugeführt werden, in eine Vielzahl von Wertdokumentschnipsel zerschnitten. Die Wertdokumentschnipsel werden nach unten abgesaugt. Die Luftströmung erfolgt nicht nur entlang der beiden mittleren Pfeile S in der Verlängerung des Transportpfads 20, sondern auch von der linken Schneideinrichtung 1 nach links unten bzw. von der rechten Schneideinrichtung 1' nach rechts unten. Da zwischen den Rahmen 9, 9' der Freiraum F besteht, können hindurchgezogene Wertdokumentschnipsel, die in diesen Freiraum gelangen, nach unten abgesaugt werden.The cutting devices 1, 1 'are formed axially symmetrical to each other and arranged so that their cutting edges 10 on the mutually facing front sides V of the two cutting devices intermesh each other, see. Fig. 1a , By the cutting edges 10 of the two cutting devices value documents 20, which are fed along the transport path T of the shredding device, cut into a plurality of Wertdokumentschnipsel. The Wertdokumentschnipsel be sucked down. The air flow is not only along the two middle arrows S in the extension of the transport path 20, but also from the left cutter 1 to the bottom left and from the right cutter 1 'to the bottom right. Since there is between the frame 9, 9 'of the free space F, pulled-through Wertdokumentschnipsel that get into this space can be sucked down.

Fig. 2 zeigt eine 3D-Ansicht der Schreddervorrichtung von unten, d.h. von der Ausgangsseite betrachtet, an der die Wertdokumentschnipsel aus der Schreddervorrichtung heraustransportiert werden. Fig. 2 shows a 3D view of the shredding device from below, ie viewed from the output side, where the Wertdokumentschnipsel be transported out of the shredder device.

In Fig. 3a und 3b ist ein weiteres Ausführungsbeispiel der Schreddervorrichtung gezeigt, bei der eine andere Form der Abstreifelemente 2 gewählt wurde. Der Winkelscheitel der beiden Winkelschenkel der Abstreifelemente 2 liegt wesentlich weiter von der Oberfläche der Schneideinrichtung entfernt als bei den Abstreifelementen 2 aus Fig. 1a-e. Dadurch ist der Abstand der Abstreifelemente an der untersten Winkelposition der Schneideinrichtung wesentlich größer und die Halterung 3 der Abstreifelemente 2 kann weiter von der walzenförmigen Schneideinrichtung 1 entfernt platziert werden. So ergibt sich im unteren Bereich der Rückseite R der Schneideinrichtung ein noch größerer Freiraum, in dem durchgezogene Wertdokumentschnipsel Platz finden und nach unten fallen oder abgesaugt werden können.In Fig. 3a and 3b a further embodiment of the shredding device is shown in which a different shape of the stripping elements 2 has been selected. The angle vertex of the two angle legs of the stripping elements 2 is substantially further away from the surface of the cutting device than in the stripping elements 2 Fig. 1a-e , As a result, the distance between the stripping elements at the lowest angular position of the cutting device is substantially greater, and the holder 3 of the stripping elements 2 can be placed further away from the cylindrical cutting device 1. Thus, in the lower region of the rear side R of the cutting device, there is an even greater free space in which solid documents of value can be found and fall down or can be sucked out.

Claims (13)

  1. An apparatus for shredding value documents (20) having at least two mutually counter-rotatable roller-shaped cutting devices (1, 1') which are disposed opposite each other with reference to a transport path (T) of the value documents (20) and which respectively have on their surfaces a multiplicity of cutting edges (10), wherein the cutting edges of the two cutting devices mutually engage with each other on the mutually facing front sides (V) of the two cutting devices in order to cut the value documents (20), fed along the transport path (T), with the aid of the cutting edges into a multiplicity of value document shreds, wherein to each of the cutting devices (1, 1') a stripper is allocated which has several stripper elements (2, 2') arranged to be mutually parallel and which are arranged sch that the stripper elements (2, 2') engage between the cutting edges (10) of the respective cutting device in order to remove the value document shreds from the cutting edges (10) of the respective cutting device,
    - that the shape of the stripper elements (2, 2') is chosen such that the stripper elements (2, 2') engage between the cutting edges (10) of the respective cutting device at the front side (V) of the respective cutting device, said front side facing the transport path (T) of the value documents,
    characterized in
    - that the stripper elements at the lowermost angular position of the cutting device have a radial distance (d) of at least 10 mm from the surface of the cutting device, and
    - that the shape of the stripper elements is chosen such that the distance (d) which the stripper elements have from the surface of the cutting device increases throughout from an overlapping azimuthal angle portion (ω) of the cutting device, in which the respective stripper elements (2, 2') overlap with the outer contour (K) of the respective cutting device (1, 1'), along the direction of rotation (D) of the cutting device.
  2. The apparatus according to claim 1, characterized in that the stripper surrounds the respective cutting device (1, 1') only at the front side facing the transport path (T) and the lower side of the cutting device (1, 1').
  3. The apparatus according any of the preceding claims, characterized in that the value document shreds reach the overlapping azimuthal angle portion (ω) of the cutting device, in which the respective stripper elements (2, 2') overlap with the outer contour (K) of the respective cutting device (1, 1'), after the cutting of the value documents.
  4. The apparatus according to any of the preceding claims, characterized in that the overlapping angle portion (ω) of the respective cutting device in which the stripper elements overlap with the outer contour (K) of the respective cutting device - viewed along the direction of rotation of the cutting device - is located in an azimuthal angle range of between 20° and 100° after the connecting line (L) of the two roller-shaped cutting devices (1, 1'), in particular between 20° and 80°.
  5. The apparatus according to any of the preceding claims, characterized in that the shape of the stripper elements (2) is chosen such that the overlapping angle portion (ω), in which the stripper elements and the outer contour (K) of the cutting device overlap, extends over at most 50°, preferably at most 40°.
  6. The apparatus according to any of the preceding claims, characterized in that mutually adjacent stripper elements (2, 2') of the respective cutting device (1, 1') are separated from each other by respectively one spacer element (4) arranged outside the respective cutting device (1, 1').
  7. The apparatus according to claim 6, characterized in that the side of the spacer elements (4) facing the respective cutting device has a radial distance (c) of at most 1 mm from the outer contour (K) of the respective cutting device.
  8. The apparatus according to any of the preceding claims, characterized in that the stripper elements (2, 2') have substantially the shape of two angle legs which enclose an inner angle amounting to between 110° and 160°.
  9. The apparatus according to any of the preceding claims, characterized in that a free space (F) exists in radial direction at the back side (R) of the respective cutting device, said free space extending from the surface of the cutting device in radial direction in particular over a depth of at least 3 cm.
  10. The apparatus according to claim 9, characterized in that the azimuthal angle range (δ) of the cutting device, in which the free space (F) extends in radial direction over a depth of at least 3 cm, is at least 30°.
  11. The apparatus according to claim 9 or 10, characterized in that the free space (F) is located in an azimuthal angle range between 90° and 180° after the connecting line (L) of the two roller-shaped cutting devices.
  12. The apparatus according to any of the preceding claims, characterized in that the stripper elements (2, 2') and the spacer elements (4) are mounted in a receiving means present outside the cutting device, in particular in an adhesive-filled tub (3).
  13. An apparatus for processing value documents, comprising:
    - a shredding apparatus for shredding value documents according to any of the preceding claims and
    - a transport device (11, 11') for transporting the value documents (20) and for feeding the value documents to the shredding apparatus.
EP15795115.3A 2014-11-17 2015-11-16 Apparatus for shredding value documents Active EP3221055B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014016920.0A DE102014016920A1 (en) 2014-11-17 2014-11-17 Device for shredding value documents
PCT/EP2015/002289 WO2016078756A1 (en) 2014-11-17 2015-11-16 Apparatus for shredding value documents

Publications (2)

Publication Number Publication Date
EP3221055A1 EP3221055A1 (en) 2017-09-27
EP3221055B1 true EP3221055B1 (en) 2019-02-27

Family

ID=54548131

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Application Number Title Priority Date Filing Date
EP15795115.3A Active EP3221055B1 (en) 2014-11-17 2015-11-16 Apparatus for shredding value documents

Country Status (5)

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US (1) US10737274B2 (en)
EP (1) EP3221055B1 (en)
AU (1) AU2015349024B2 (en)
DE (1) DE102014016920A1 (en)
WO (1) WO2016078756A1 (en)

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CN112207112B (en) * 2020-09-09 2021-12-03 北京汇潮云集科技有限公司 Garbage pyrolysis power generation device

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Also Published As

Publication number Publication date
US10737274B2 (en) 2020-08-11
AU2015349024B2 (en) 2020-10-22
AU2015349024A1 (en) 2017-05-25
WO2016078756A1 (en) 2016-05-26
US20170341081A1 (en) 2017-11-30
EP3221055A1 (en) 2017-09-27
DE102014016920A1 (en) 2016-05-19

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