EP0559615A2 - Printed sheet transporting device for a valuable document quality control assembly - Google Patents

Printed sheet transporting device for a valuable document quality control assembly Download PDF

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Publication number
EP0559615A2
EP0559615A2 EP93810134A EP93810134A EP0559615A2 EP 0559615 A2 EP0559615 A2 EP 0559615A2 EP 93810134 A EP93810134 A EP 93810134A EP 93810134 A EP93810134 A EP 93810134A EP 0559615 A2 EP0559615 A2 EP 0559615A2
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EP
European Patent Office
Prior art keywords
cylinder
blade
sheet
detector
clamps
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
EP93810134A
Other languages
German (de)
French (fr)
Other versions
EP0559615A3 (en
EP0559615B1 (en
Inventor
Dante Orlandini
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP0559615A2 publication Critical patent/EP0559615A2/en
Publication of EP0559615A3 publication Critical patent/EP0559615A3/en
Application granted granted Critical
Publication of EP0559615B1 publication Critical patent/EP0559615B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D3/00—Sorting a mixed bulk of coins into denominations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/06—Movable stops or gauges, e.g. rising and falling front stops
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • G07D7/182—Testing stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/224—Nip between rollers, between belts or between rollers and belts
    • 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 present invention relates to a device for transporting printed sheets in an installation for the quality control of securities, in particular banknotes, comprising a cylinder and at least one detector placed near the periphery of the cylinder, said cylinder being equipped with at least one clamp bar to grip the front edge of the sheet to be transported.
  • patent FR 1,489,113 describes a method and a device according to which sheets of uncut banknotes are first checked visually to allow the operator to mark defective banknotes, exhibiting color errors or spots . The sheets are then cut into banknotes which pass on a first cylinder in front of detectors monitoring the side of the banknote facing outwards and reacting to the control marks carried by the banknotes, as well as to errors in centering the image. Then, the banknotes are transferred to a second cylinder where detectors control their other side. Defective tickets are automatically withdrawn from the transport chain and replaced by faultless tickets. Finally, an automatic installation allows the controlled tickets to be counted and packaged.
  • the present invention proposes to construct a transport device which guarantees that the sheet perfectly matches the cylinder during its passage in front of the detector system, without risk of damaging the printing recently carried out on the sheets.
  • the device according to the invention is characterized by the characterizing clause of claim 1.
  • the advantage of this device is to allow the printed sheet to marry perfectly, under the action of the calibration blade, the transport cylinder during the entire time it passes near the detector, while avoiding a collision between the blade and the clamps when the latter arrive at the height of said blade.
  • FIG. 1 represents a schematic view of the device with a cylinder provided with a bar of leaf clamps and of the mechanism allowing the leaf to marry the cylinder.
  • FIG. 2 represents the same device adapted to a cylinder with three gripper bars.
  • the transport cylinder 1 illustrated in FIG. 1 rotates in the direction of the curved arrows and is provided with a bar of pliers 2 intended to grip the front edge of a sheet 3 to be examined arriving at the lower part of the cylinder according to the arrow F1, to transport it below a detector 4 provided for inspecting printing defects on the outside of the sheet, for example, the back.
  • the sheet 3 is then transferred, according to arrow F2, on a second transport cylinder, not shown, similar to the first cylinder, for inspection of the other face of the sheet, for example, the front.
  • the transport cylinder 1 is mounted on a central axis, not shown, supported by bearings.
  • This blade 6 is fixed to a lever 9 itself mounted in an articulated manner on a shaft 11 secured to the frame.
  • the lever 9 is connected to a mechanism 5 making it possible to lift the blade 6 from the cylinder 1 intermittently during the passage of the clamps 2 under said blade 6.
  • This mechanism 5 comprises a cam 7 comprising a bulge 7b and which is mounted on an axis 7a whose rotation is synchronized with that of the transport cylinder 1.
  • a follower roller 8 mounted at the free end of the lever 9 is provided to bear against the surface of the cam 7 by means of a return spring 10 working in traction.
  • the distance between the end of the blade 6 and the surface of the cylinder 1 is adjusted by means of an adjustment screw 12 screwed into a tapped hole in an arm 13 itself fixed perpendicular to the lever 9 in the direction opposite to the blade 6.
  • the end 14 of the screw 12 rests in the operating position, under the action of the spring 10, against a stop 15 fixed on the frame.
  • the distance between the calibration blade 6 and the surface of the cylinder 1 is pre-adjusted according to the thickness of the paper.
  • the profile of the cam 7 and the synchronization of the mechanism are such that in the operating position, that is to say when the sheet 3 passes under the detector, the calibration blade 6 is positioned, as described above, in leaf touch position, while during the passage of the clamp bar 2 below the calibration blade 6, the cam 7 with its bulge 7b, causes the lever 9 to tilt around the shaft 11, stretching the spring 10, such as the blade 6 lifts, for example a few millimeters, in the direction of the arrow f, and the end 14 of the screw 12 takes off from the stop 15.
  • the lifting height of the blade 6 is adapted to allow the passage of the clamps without damaging the blade.
  • the duration and the height of the lifting of the blade 6 is defined by the shape of the bulge 7b of the cam 7 cooperating with the follower roller 8, while the operating position of the blade 6 is only defined by adjusting the screw 12 whose end 14 bears, under the action of the spring 10, against the stop 15, and not by the profile of the cam 7 outside the bulge 7b.
  • the part of the cam 7 outside the bulge 7b does not need to have a concentricity which corresponds to the tolerance provided, it is sufficient that this part of the cam does not intervene in the operating position, the follower roller 8 does not even need to touch this part.
  • a suction device formed by rows of holes 18 distributed on the surface of the cylinder and connected to a vacuum which acts only in a sector 17 located in the zone where the detector 4 is located.
  • the blade 6 is provided with a blown air intake hole 19 connected to an internal channel 19a which opens at the tip of the blade, to direct the breath of air against the paper and assist plating it against the cylinder.
  • FIG. 2 is illustrated a second embodiment of the cylinder and the sheet holding mechanism.
  • the cylinder 21 is equipped with three clamp bars 22, distributed equidistantly around the periphery of the cylinder which comprises three sectors intended to each support a sheet.
  • the sheet holding mechanism 5 is the same as in the first embodiment and has the same elements, apart from the cam 27 which has a different shape suitable for lifting the blade 6 intermittently three times during a rotation of the transport cylinder 21, that is to say during the passage of each of the gripper bars 22 under the blade 6.
  • the cam 27 is provided with three equal bulges 27a which cause the blade to tilt 6.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Conveying Record Carriers (AREA)
  • Discharge By Other Means (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Making Paper Articles (AREA)

Abstract

The device comprises a conveying cylinder (1) for the sheets (3) to be checked, which is provided with a bar of sheet-clamps (2) and at least one detector (4). In proximity to the detector (4), there is provided a calibrating strip (6) mounted in a movable manner with respect to the surface of the cylinder (1) and linked to a mechanism (5) enabling it to be lifted intermittently when the clamps (2) pass below, and adjusting mechanism (12-15) for setting the distance from said strip to the cylinder in its operating position to a determined value.

Description

La présente invention concerne un dispositif de transport des feuilles imprimées dans une installation pour le contrôle de la qualité des papiers-valeurs, notamment des billets de banque, comprenant un cylindre et au moins un détecteur placé près de la périphérie du cylindre, ledit cylindre étant équipé d'au moins une barre de pinces pour saisir le bord avant de la feuille à transporter.The present invention relates to a device for transporting printed sheets in an installation for the quality control of securities, in particular banknotes, comprising a cylinder and at least one detector placed near the periphery of the cylinder, said cylinder being equipped with at least one clamp bar to grip the front edge of the sheet to be transported.

On connaît déjà des dispositifs pour contrôler la qualité des billets de banque. Par exemple, le brevet FR 1.489.113 décrit un procédé et un dispositif selon lequel des feuilles de billets non découpées sont tout d'abord contrôlées visuellement pour permettre à l'opérateur de marquer les billets défectueux, présentant des erreurs de couleur ou des taches. Les feuilles sont ensuite découpées en billets qui passent sur un premier cylindre devant des détecteurs contrôlant le côté du billet dirigé vers l'extérieur et réagissant aux marques de contrôle portées par les billets, ainsi qu'aux erreurs de centrage de l'image. Puis, les billets sont transférés à un deuxième cylindre où des détecteurs contrôlent leur autre côté. Les billets défectueux sont prélevés automatiquement de la chaîne de transport et remplacés par des billets sans défaut. Enfin une installation automatique permet de compter les billets contrôlés et de les mettre en forme de paquets.Devices are already known for controlling the quality of banknotes. For example, patent FR 1,489,113 describes a method and a device according to which sheets of uncut banknotes are first checked visually to allow the operator to mark defective banknotes, exhibiting color errors or spots . The sheets are then cut into banknotes which pass on a first cylinder in front of detectors monitoring the side of the banknote facing outwards and reacting to the control marks carried by the banknotes, as well as to errors in centering the image. Then, the banknotes are transferred to a second cylinder where detectors control their other side. Defective tickets are automatically withdrawn from the transport chain and replaced by faultless tickets. Finally, an automatic installation allows the controlled tickets to be counted and packaged.

Avec les dernières technologies développées, les exigences pour le contrôle de la qualité des billets récemment imprimés augmentent de plus en plus. Les détecteurs qui captent les détails de registre, de couleur, de variation de l'encre, de défauts tels que des tâches, des maculatures, etc.. sont de plus en plus sophistiqués ce qui entraîne des exigences très sévères quant à la position des feuilles à examiner par rapport auxdits détecteurs, les feuilles devant être tenues à une distance très précise du détecteur, avec une tolérence maximum de l'ordre de ± 0,2 mm. Les feuilles à examiner qui ont été imprimées aussi en taille-douce ont des déformations très importantes dues à la force de frappe lors de l'impression et leur surface présente des ondulations lesquelles, additionnées aux effets aérodynamiques créés par la vitesse de transport des feuilles de l'ordre de 2,8 mètres par seconde, produisent des conditions inacceptables pour un balayage exact vu la finesse des détecteurs actuels. Il est donc indispensable que cette feuille épouse, au moins pendant son passage sous le détecteur, la surface du cylindre sans faire d'ondulations.With the latest technologies developed, the requirements for quality control of recently printed tickets are increasing. Detectors which capture details of register, color, ink variation, defects such as stains, smudges, etc. are becoming more and more sophisticated which places very stringent demands on the position of the sheets to be examine with respect to said detectors, the sheets having to be kept at a very precise distance from the detector, with a maximum tolerance of the order of ± 0.2 mm. The sheets to be examined which were also printed in intaglio have very significant deformations due to the striking force during printing and their surface has undulations which, added to the aerodynamic effects created by the speed of transport of the sheets of about 2.8 meters per second, produce unacceptable conditions for an exact scan given the finesse of current detectors. It is therefore essential that this sheet marries, at least during its passage under the detector, the surface of the cylinder without making undulations.

La présente invention se propose de construire un dispositif de transport qui garantit que la feuille épouse parfaitement le cylindre pendant son passage devant le système détecteur, sans risque d'endommager l'impression récemment réalisée sur les feuilles.The present invention proposes to construct a transport device which guarantees that the sheet perfectly matches the cylinder during its passage in front of the detector system, without risk of damaging the printing recently carried out on the sheets.

A cet effet, le dispositif selon l'invention est caractérisé par la clause caractérisante de la revendication 1.To this end, the device according to the invention is characterized by the characterizing clause of claim 1.

L'avantage de ce dispositif est de permettre à la feuille imprimée d'épouser parfaitement, sous l'action de la lame de calibrage, le cylindre de transport pendant tout le temps où elle passe à proximité du détecteur, tout en évitant une collision entre la lame et les pinces au moment où ces dernières arrivent à hauteur de ladite lame.The advantage of this device is to allow the printed sheet to marry perfectly, under the action of the calibration blade, the transport cylinder during the entire time it passes near the detector, while avoiding a collision between the blade and the clamps when the latter arrive at the height of said blade.

Des formes d'exécution préférées de l'invention résultent des revendications dépendantes.Preferred embodiments of the invention result from the dependent claims.

L'invention sera décrite, à titre d'exemple non limitatif, en se référant au dessin annexé.The invention will be described, by way of nonlimiting example, with reference to the accompanying drawing.

La figure 1 représente une vue schématique du dispositif avec un cylindre muni d'une barre de pinces à feuilles et du mécanisme permettant à la feuille d'épouser le cylindre.FIG. 1 represents a schematic view of the device with a cylinder provided with a bar of leaf clamps and of the mechanism allowing the leaf to marry the cylinder.

La figure 2 représente le même dispositif adapté à un cylindre à trois barres de pinces.FIG. 2 represents the same device adapted to a cylinder with three gripper bars.

Le cylindre de transport 1 illustré sur la figure 1 tourne dans le sens des flèches courbées et est muni d'une barre de pinces 2 destinées à agripper le bord avant d'une feuille 3 à examiner arrivant à la partie inférieure du cylindre selon la flèche F1, pour la transporter en dessous d'un détecteur 4 prévu pour inspecter les défauts d'impression sur la face extérieure de la feuille, par exemple, le verso. La feuille 3 est ensuite transférée, selon la flèche F2, sur un second cylindre de transport, non représenté, semblable au premier cylindre, pour l'inspection de l'autre face de la feuille, par exemple, le recto. Le cylindre de transport 1 est monté sur un axe central, non représenté, supporté par des paliers.The transport cylinder 1 illustrated in FIG. 1 rotates in the direction of the curved arrows and is provided with a bar of pliers 2 intended to grip the front edge of a sheet 3 to be examined arriving at the lower part of the cylinder according to the arrow F1, to transport it below a detector 4 provided for inspecting printing defects on the outside of the sheet, for example, the back. The sheet 3 is then transferred, according to arrow F2, on a second transport cylinder, not shown, similar to the first cylinder, for inspection of the other face of the sheet, for example, the front. The transport cylinder 1 is mounted on a central axis, not shown, supported by bearings.

A proximité du détecteur 4 est prévue une lame de calibrage 6, en métal, permettant à la feuille 3 d'épouser le cylindre de transport 1. Cette lame 6 est fixée à un levier 9 lui-même monté de façon articulée sur un arbre 11 solidaire du bâti. Le levier 9 est relié à un mécanisme 5 permettant de soulever la lame 6 du cylindre 1 par intermittence lors du passage des pinces 2 sous ladite lame 6. Ce mécanisme 5 comprend une came 7 comportant un renflement 7b et qui est montée sur un axe 7a dont la rotation est synchronisée à celle du cylindre de transport 1. Un galet suiveur 8 monté à l'extrémité libre du levier 9 est prévu pour s'appuyer contre la surface de la came 7 grâce à un ressort de rappel 10 travaillant en traction.Near the detector 4 is provided a calibration blade 6, made of metal, allowing the sheet 3 to marry the transport cylinder 1. This blade 6 is fixed to a lever 9 itself mounted in an articulated manner on a shaft 11 secured to the frame. The lever 9 is connected to a mechanism 5 making it possible to lift the blade 6 from the cylinder 1 intermittently during the passage of the clamps 2 under said blade 6. This mechanism 5 comprises a cam 7 comprising a bulge 7b and which is mounted on an axis 7a whose rotation is synchronized with that of the transport cylinder 1. A follower roller 8 mounted at the free end of the lever 9 is provided to bear against the surface of the cam 7 by means of a return spring 10 working in traction.

L'ajustage de la distance entre l'extrémité de la lame 6 et la surface du cylindre 1 est réalisé au moyen d'une vis de réglage 12 vissée dans un trou taraudé d'un bras 13 lui-même fixé perpendiculairement au levier 9 dans la direction opposée à la lame 6. L'extrémité 14 de la vis 12 s'appuie dans la position opérante, sous l'action du ressort 10, contre une butée 15 fixée sur le bâti.The distance between the end of the blade 6 and the surface of the cylinder 1 is adjusted by means of an adjustment screw 12 screwed into a tapped hole in an arm 13 itself fixed perpendicular to the lever 9 in the direction opposite to the blade 6. The end 14 of the screw 12 rests in the operating position, under the action of the spring 10, against a stop 15 fixed on the frame.

Afin de permettre que la feuille transportée 3 soit guidée lors de la rotation à grande vitesse du cylindre 1, il est prévu, vers la lame de calibrage 6, un guide arqué 16 en regard d'une partie de la périphérie du cylindre 1.In order to allow the transported sheet 3 to be guided during the high-speed rotation of the cylinder 1, there is provided, towards the calibration blade 6, an arcuate guide 16 facing a part of the periphery of the cylinder 1.

Lors de la mise en marche de l'installation, la distance entre la lame de calibrage 6 et la surface du cylindre 1 est préajustée en fonction de l'épaisseur du papier. A cet effet, on agit sur la vis 12 jusqu'à ce que cette distance corresponde aux exigences du détecteur 4. En général, cette distance correspond approximativement à l'épaisseur du papier, afin que la lame 6 effleure la surface du papier, sans aucune pression, pour éviter qu'elle endommage l'impression réalisée sur la feuille 3. Donc, la position opérante est définie par l'ajustage de la vis 12 dont l'extrémité 14 s'appuie contre la butée 15; la tolérence acceptable est en général de l'ordre de ± 0,2 mm environ.When switching on the installation, the distance between the calibration blade 6 and the surface of the cylinder 1 is pre-adjusted according to the thickness of the paper. For this purpose, one acts on the screw 12 until this distance corresponds to the requirements of the detector 4. In general, this distance corresponds approximately to the thickness of the paper, so that the blade 6 grazes the surface of the paper, without no pressure, to prevent it from damaging the impression produced on the sheet 3. Therefore, the operating position is defined by adjusting the screw 12, the end 14 of which bears against the stop 15; the acceptable tolerance is generally around ± 0.2 mm.

Le profil de la came 7 et la synchronisation du mécanisme sont tels qu'en position de fonctionnement, c'est-à-dire lorsque la feuille 3 défile sous le détecteur, la lame de calibrage 6 est positionnée, comme décrit plus haut, en position d'effleurement de la feuille, tandis que lors du passage de la barre de pinces 2 en dessous de la lame de calibrage 6, la came 7 avec son renflement 7b, fait basculer le levier 9 autour de l'arbre 11, en étirant le ressort 10, tel que la lame 6 se soulève, par exemple de quelques millimètres, dans le sens de la flèche f, et l'extrémité 14 de la vis 12 décolle de la butée 15. La hauteur de soulèvement de la lame 6 est adpatée pour permettre le passage des pinces sans détérioration de la lame. Donc, la durée et la hauteur du soulèvement de la lame 6 est définie par la forme du renflement 7b de la came 7 coopérant avec le galet suiveur 8, tandis que la position opérante de la lame 6 est uniquement définie par l'ajustage de la vis 12 dont l'extrémité 14 s'appuie, sous l'action du ressort 10, contre la butée 15, et non par le profil de la came 7 en dehors du renflement 7b. Pour cette raison, la partie de la came 7 en dehors du renflement 7b n'a pas besoin d'avoir une concentricité qui correspond à la tolérence prévue, il suffit que cette partie de la came n'intervienne pas dans la position opérante, le galet suiveur 8 n'ayant même pas besoin de toucher cette partie.The profile of the cam 7 and the synchronization of the mechanism are such that in the operating position, that is to say when the sheet 3 passes under the detector, the calibration blade 6 is positioned, as described above, in leaf touch position, while during the passage of the clamp bar 2 below the calibration blade 6, the cam 7 with its bulge 7b, causes the lever 9 to tilt around the shaft 11, stretching the spring 10, such as the blade 6 lifts, for example a few millimeters, in the direction of the arrow f, and the end 14 of the screw 12 takes off from the stop 15. The lifting height of the blade 6 is adapted to allow the passage of the clamps without damaging the blade. Therefore, the duration and the height of the lifting of the blade 6 is defined by the shape of the bulge 7b of the cam 7 cooperating with the follower roller 8, while the operating position of the blade 6 is only defined by adjusting the screw 12 whose end 14 bears, under the action of the spring 10, against the stop 15, and not by the profile of the cam 7 outside the bulge 7b. For this reason, the part of the cam 7 outside the bulge 7b does not need to have a concentricity which corresponds to the tolerance provided, it is sufficient that this part of the cam does not intervene in the operating position, the follower roller 8 does not even need to touch this part.

Dès que les pinces 2 ont dépassé la zone de la lame 6, le galet 8 a dépassé la zone de renflement 7b de la came 7 et le levier 9 revient dans sa position opérante sous l'action du ressort 10.As soon as the clamps 2 have exceeded the zone of the blade 6, the roller 8 has exceeded the bulge zone 7b of the cam 7 and the lever 9 returns to its operating position under the action of the spring 10.

Pour améliorer encore l'adhérence de la feuille à examiner 3 sur le cylindre de transport 1 on peut prévoir, en outre, comme montré figure 1, un dispositif d'aspiration formé par des rangées de trous 18 répartis à la surface du cylindre et reliés à un vacuum qui agit seulement dans un secteur 17 situé dans la zone où se trouve le détecteur 4.To further improve the adhesion of the sheet to be examined 3 to the transport cylinder 1, it is also possible to provide, as shown in FIG. 1, a suction device formed by rows of holes 18 distributed on the surface of the cylinder and connected to a vacuum which acts only in a sector 17 located in the zone where the detector 4 is located.

En outre, de préférence, la lame 6 est munie d'un trou d'admission d'air soufflé 19 connecté à un canal interne 19a qui débouche à la pointe de la lame, pour diriger le souffle d'air contre le papier et assister le placage de celui-ci contre le cylindre.In addition, preferably, the blade 6 is provided with a blown air intake hole 19 connected to an internal channel 19a which opens at the tip of the blade, to direct the breath of air against the paper and assist plating it against the cylinder.

Sur la figure 2 est illustrée une deuxième forme d'exécution du cylindre et du mécanisme de maintien de la feuille. Dans ce cas, le cylindre 21 est équipé de trois barres de pinces 22, réparties d'une manière équidistante sur le pourtour du cylindre lequel comporte trois secteurs destinés à supporter chacun une feuille. Le mécanisme 5 de maintien de la feuille est le même que dans la première forme d'exécution et comporte les mêmes éléments, mis à part la came 27 qui présente une forme différente adaptée pour soulever la lame 6 par intermittence trois fois lors d'une rotation du cylindre de transport 21, c'est-à-dire lors du passage de chacune des barres de pinces 22 sous la lame 6. A cet effet, la came 27 est munie de trois renflements égaux 27a qui provoquent le basculement de la lame 6.In Figure 2 is illustrated a second embodiment of the cylinder and the sheet holding mechanism. In this case, the cylinder 21 is equipped with three clamp bars 22, distributed equidistantly around the periphery of the cylinder which comprises three sectors intended to each support a sheet. The sheet holding mechanism 5 is the same as in the first embodiment and has the same elements, apart from the cam 27 which has a different shape suitable for lifting the blade 6 intermittently three times during a rotation of the transport cylinder 21, that is to say during the passage of each of the gripper bars 22 under the blade 6. For this purpose, the cam 27 is provided with three equal bulges 27a which cause the blade to tilt 6.

L'invention n'est pas limitée aux formes d'exécution décrites et des variantes de réalisation pourraient être apportées sans pour cela sortir du cadre de l'invention.The invention is not limited to the embodiments described and alternative embodiments could be made without departing from the scope of the invention.

Claims (9)

Dispositif de transport des feuilles imprimées dans une installation pour le contrôle de la qualité des papiers-valeurs, notamment des billets de banque, comprenant un cylindre (1; 21) et au moins un détecteur (4) placé près de la périphérie du cylindre, ledit cylindre étant équipé d'au moins une barre de pinces à feuilles (2; 22) pour saisir le bord avant de la feuille (3) à transporter, caractérisé par le fait qu'à proximité dudit détecteur (4) il est prévu une lame de calibrage (6) montée mobile par rapport à la surface du cylindre (1; 21), des moyens d'ajustage (12-15) de ladite lame (6) pour régler, dans sa position opérante, la distance de celle-ci au cylindre (1; 21) à une valeur déterminée pour que la feuille (3) à examiner épouse ledit cylindre (1; 21), et un mécanisme (5) pour soulever ladite lame (6) par intermittence au moment du passage des pinces (2; 22) en dessous de la lame (6) pour éviter une collision entre la pince et ladite lame.Device for transporting printed sheets in an installation for quality control of securities, in particular banknotes, comprising a cylinder (1; 21) and at least one detector (4) placed near the periphery of the cylinder, said cylinder being equipped with at least one bar of sheet clamps (2; 22) for gripping the front edge of the sheet (3) to be transported, characterized in that near said detector (4) there is provided a calibration blade (6) movably mounted relative to the surface of the cylinder (1; 21), adjusting means (12-15) of said blade (6) for adjusting, in its operating position, the distance from it ci to the cylinder (1; 21) at a determined value so that the sheet (3) to be examined matches said cylinder (1; 21), and a mechanism (5) for lifting said blade (6) intermittently during the passage of the clamps (2; 22) below the blade (6) to avoid a collision between the clamp and said blade. Dispositif selon la revendication 1, caractérisé par le fait que la lame de calibrage (6) est fixée à l'extrémité d'un levier (9) qui est articulé sur un arbre (11) et dont l'autre extrémité est munie d'un galet (8) coopérant sous l'action de moyens de rappel (10) avec une came (7; 27), elle-même montée sur un axe (7a) dont la rotation est synchronisée à celle dudit cylindre (1; 21), que les moyens d'ajustage de la lame de calibrage (6) sont constitués d'une vis de réglage (12) agissant sur ledit levier (9) et définissant sa position opérante en s'appuyant, dans cette position opérante, sous l'action desdits moyens de rappel (10) contre une butée fixe (15), la configuration de la came (7; 27) étant telle que, au cours d'une rotation du cylindre (1; 21), la lame de calibrage (6) se trouve en position opérante, à distance déterminée dudit cylindre pendant que la feuille (3) transportée se trouve en face du détecteur (4), et que ladite lame est écartée dudit cylindre au moment du passage des pinces (2, 22) sous celle-ci.Device according to claim 1, characterized in that the calibration blade (6) is fixed to the end of a lever (9) which is articulated on a shaft (11) and the other end of which is provided with a roller (8) cooperating under the action of return means (10) with a cam (7; 27), itself mounted on an axis (7a) whose rotation is synchronized with that of said cylinder (1; 21) , that the means for adjusting the calibration blade (6) consist of an adjustment screw (12) acting on said lever (9) and defining its operating position by relying, in this operating position, under the action of said return means (10) against a fixed stop (15), the configuration of the cam (7; 27) being such that, during a rotation of the cylinder (1; 21), the calibration blade (6) is in the operating position, at a determined distance from said cylinder while the sheet (3) transported is in front of the detector ( 4), and that said blade is spaced from said cylinder when the clamps (2, 22) pass under it. Dispositif selon la revendication 2, caractérisé par le fait que la vis (12) est vissée dans un bras (13) lui-même fixé perpendiculairement au levier (9).Device according to claim 2, characterized in that the screw (12) is screwed into an arm (13) itself fixed perpendicular to the lever (9). Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu, en avant de la lame de calibrage (6), un guide arqué (16) en regard d'une partie de la périphérie du cylindre (1; 21).Device according to one of the preceding claims, characterized in that there is provided, in front of the calibration blade (6), an arcuate guide (16) opposite a part of the periphery of the cylinder (1; 21). Dispositif selon l'une des revendications précédentes, caractérisé par le fait que le cylindre (1) est muni d'un système d'aspiration et, dans ce but, comporte des rangées de trous (18) répartis à sa surface et reliés à un vacuum qui agit seulement dans un secteur (17) situé dans la zone où se trouve le détecteur (4).Device according to one of the preceding claims, characterized in that the cylinder (1) is provided with a suction system and, for this purpose, has rows of holes (18) distributed on its surface and connected to a vacuum which acts only in a sector (17) located in the area where the detector (4) is located. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que la lame (6) est munie d'un trou d'admission d'air soufflé (19) connecté à un canal interne (19a) débouchant à la pointe de la lame pour diriger l'air soufflé contre le papier.Device according to one of the preceding claims, characterized in that the blade (6) is provided with a blown air intake hole (19) connected to an internal channel (19a) opening at the tip of the blade to direct the blown air against the paper. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est muni de plusieurs barres de pinces à feuilles (22) et que le mécanisme (5) est prévu pour soulever la lame (6) pendant le passage de chaque barre de pinces à feuilles.Device according to one of the preceding claims, characterized in that it is provided with several bars of sheet clamps (22) and that the mechanism (5) is provided for lifting the blade (6) during the passage of each bar leaf clips. Dispositif selon les revendications 2 et 7, caractérisé par le fait que ladite came (27) a un nombre de renflements (27a) correspondant au nombre de barres de pinces (22).Device according to claims 2 and 7, characterized in that said cam (27) has a number of bulges (27a) corresponding to the number of clamp bars (22). Dispositif selon les revendications 1 à 8, caractérisé par le fait que la lame (6) est en métal.Device according to claims 1 to 8, characterized in that the blade (6) is made of metal.
EP93810134A 1992-03-03 1993-02-25 Printed sheet transporting device for a valuable document quality control assembly Expired - Lifetime EP0559615B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH66192 1992-03-03
CH661/92 1992-03-03

Publications (3)

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EP0559615A2 true EP0559615A2 (en) 1993-09-08
EP0559615A3 EP0559615A3 (en) 1994-06-22
EP0559615B1 EP0559615B1 (en) 1996-08-28

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ID=4192196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810134A Expired - Lifetime EP0559615B1 (en) 1992-03-03 1993-02-25 Printed sheet transporting device for a valuable document quality control assembly

Country Status (10)

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US (1) US5255907A (en)
EP (1) EP0559615B1 (en)
JP (1) JP3294363B2 (en)
KR (1) KR100267789B1 (en)
CN (1) CN1034724C (en)
AT (1) ATE142038T1 (en)
AU (1) AU651544B2 (en)
CA (1) CA2089899C (en)
DE (1) DE69304226T2 (en)
RU (1) RU2098338C1 (en)

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EP0731737A1 (en) * 1994-09-29 1996-09-18 Mars, Incorporated Apparatus for handling value sheets
EP1142712B2 (en) † 2000-04-07 2017-03-22 Komori Corporation double-sided printing machine with a quality inspection apparatus

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WO2000013128A1 (en) * 1998-08-28 2000-03-09 The Governor And Company Of The Bank Of England Improvements in and relating to sheet material inspection apparatus and methods
CA2407844A1 (en) * 2000-05-08 2002-10-31 Kba-Giori S.A. Device for conveying sheet-like material
DE10139717A1 (en) * 2001-08-13 2003-02-27 Giesecke & Devrient Gmbh Method and device for examining defects in or on sheet material
JP4219583B2 (en) * 2001-10-26 2009-02-04 Ｎｔｎ株式会社 Fixed type constant velocity universal joint
AT412513B (en) * 2002-02-01 2005-03-25 Hueck Folien Gmbh Quality control system for printed and/or embossed sheet material, includes on-line measurement device for magnetic properties
CN102189750B (en) * 2010-03-19 2015-02-18 海德堡印刷机械股份公司 Device for conveying pages through printing technique machine
KR101529931B1 (en) * 2011-05-23 2015-06-18 엘지전자 주식회사 Optical member attaching apparatus
JP5335040B2 (en) * 2011-07-22 2013-11-06 富士フイルム株式会社 Image forming apparatus and image forming method

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EP0731737A1 (en) * 1994-09-29 1996-09-18 Mars, Incorporated Apparatus for handling value sheets
EP0731737A4 (en) * 1994-09-29 1997-07-09 Mars Inc Apparatus for handling value sheets
US5764346A (en) * 1994-09-29 1998-06-09 Mars Incorporated Apparatus for handling value sheets
EP1160738A2 (en) * 1994-09-29 2001-12-05 Mars Incorporated Apparatus for handling value sheets
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EP1142712B2 (en) † 2000-04-07 2017-03-22 Komori Corporation double-sided printing machine with a quality inspection apparatus

Also Published As

Publication number Publication date
DE69304226T2 (en) 1997-02-20
CA2089899A1 (en) 1993-09-04
AU3311993A (en) 1993-09-09
AU651544B2 (en) 1994-07-21
KR930020319A (en) 1993-10-19
CN1034724C (en) 1997-04-30
ATE142038T1 (en) 1996-09-15
CA2089899C (en) 2004-06-08
JP3294363B2 (en) 2002-06-24
KR100267789B1 (en) 2000-10-16
EP0559615A3 (en) 1994-06-22
DE69304226D1 (en) 1996-10-02
JPH0648648A (en) 1994-02-22
CN1079565A (en) 1993-12-15
US5255907A (en) 1993-10-26
EP0559615B1 (en) 1996-08-28
RU2098338C1 (en) 1997-12-10

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