DE10140101A1 - Sheet stacker and control method - Google Patents

Sheet stacker and control method

Info

Publication number
DE10140101A1
DE10140101A1 DE2001140101 DE10140101A DE10140101A1 DE 10140101 A1 DE10140101 A1 DE 10140101A1 DE 2001140101 DE2001140101 DE 2001140101 DE 10140101 A DE10140101 A DE 10140101A DE 10140101 A1 DE10140101 A1 DE 10140101A1
Authority
DE
Germany
Prior art keywords
sheet
spiral
stacking
compartment
stacker
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
DE2001140101
Other languages
German (de)
Other versions
DE10140101B4 (en
Inventor
Erwin Demmeler
Heinz Hornung
Christian Casensky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Priority to DE2001140101 priority Critical patent/DE10140101B4/en
Publication of DE10140101A1 publication Critical patent/DE10140101A1/en
Application granted granted Critical
Publication of DE10140101B4 publication Critical patent/DE10140101B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/18Modifying or stopping actuation of separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/43Gathering; Associating; Assembling
    • B65H2301/431Features with regard to the collection, nature, sequence and/or the making thereof
    • B65H2301/4314Making packets of bundles of banknotes or the like in correct sequence
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/11Details of cross-section or profile
    • B65H2404/111Details of cross-section or profile shape
    • B65H2404/1114Paddle wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimension; Position; Number; Identification; Occurence
    • B65H2511/10Size; Dimension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimension; Position; Number; Identification; Occurence
    • B65H2511/10Size; Dimension
    • B65H2511/11Length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimension; Position; Number; Identification; Occurence
    • B65H2511/50Occurence
    • B65H2511/52Error; Fault
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00Dynamic entities; Timing aspect
    • B65H2513/40Movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00Dynamic entities; Timing aspect
    • B65H2513/50Timing
    • B65H2513/512Stopping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00Means for sensing, detecting or otherwise used for control
    • B65H2553/40Means for sensing, detecting or otherwise used for control using optical, e.g. photographic, elements
    • B65H2553/42Cameras
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1912Banknotes, bills and cheques or the like

Abstract

The invention relates to a sheet material stacking device with a spiral stacker and a method for controlling the sheet material stacking device. DOLLAR A To improve the stacking results, it is assumed on the one hand to act on the flow of the sheet material to be stacked in such a way that gaps or gaps are created between individual pieces of sheet material that are sufficient to be able to safely insert each piece of sheet material into a spiral compartment. On the other hand, the length of the spiral compartments is influenced in order to avoid problems which arise when more than one piece of sheet material is introduced into a spiral compartment, in particular if the sheet material has different sizes. Furthermore, the constructively resulting gap between the transport path and spiral stacker is closed to ensure that the sheet material always enters the spiral compartments.

Description

  • The invention relates to a sheet stacking device with a Spiral stacker, as well as a method for controlling the sheet material stacking device.
  • Spiral stacker are used, for example, in sheet inspection and -sorting devices used in which stack of sheets, for example Bundles of banknotes, first to be separated, then to Test purposes are passed through a sensor system and finally by means of one or more spiral stackers stacked in orderly stacks become. The function of the spiral stackers is that transported single sheets by diverting them into a spiral path to slow down their final storage. It is in most of them Applications are not critical if not every storage compartment of the Stacking wheel is covered with a sheet or if a storage compartment exceptionally with more than one sheet.
  • However, care should be taken to ensure that the sheets arrive at the moment they are handed over the spiral compartment stacker with a partition that forms the spiral compartments collide. The leading edge of a sheet should therefore be the spiral stacker between two partitions to be a collision-free and Ensure that the sheet has completely entered a spiral compartment. Since the Leaves due to slippage in the transport system or due to different sheet formats are not always in synchronous time the spiral stacker, the problem of exact Inlet control regardless of whether the spiral stacker is intermittent or rotates continuously. In both cases it is necessary to have an asynchronous To synchronize the sheet feeder and the rotating spiral stacker that each sheet is completely and collision-free in a spiral compartment of the Spiral stacker is passed.
  • DE 27 56 223 C2 proposes a more constant, given Rotation speed of the spiral stacker the deviation of the single sheet from its ideal position using a sensor determine and the sheet leading edge with a finger at the moment of Handing over the sheet by an amount proportional to the determined deviation to push down so far that the leading edge of the sheet is ideal Sheet entry point enters the spiral compartment. The quantitative measurement of Positional deviation occurs at a distance in front of the transfer point, so sufficient Time to influence the leading edge of the sheet by individual Deflecting the finger is available.
  • In GB 2 168 687 A and EP 0 082 195 B1 instead of influencing on the leading edge of the sheet suggested positioning the Spiral stacker to influence by first the leading edge of a sheet approaching sheet at a certain distance in front of the transfer point is detected and then the walking speed of the Spiral stacker depending on the transport speed of the sheet for a short time is influenced that the sheet leading edge in the ideal entry point in Spiral compartment of the spiral compartment stacker runs in.
  • When periodically stacking sheets with a spiral stacker The problem arises that the distances between the sheets to be stacked each other must be strictly observed. Is the distance from consecutive sheets too small, no new spiral compartment for the next Sheet will be made available. In this case the Spiral stacker is usually stopped and the following sheet becomes that previous sheet inserted in the same spiral compartment. By stopping the However, spiral stacker it becomes problematic for the following sheet to provide a new spiral compartment because of the limited Acceleration options a relatively large period is required to stop the stopped spiral stacker.
  • Another problem arises in the case described that two or more sheets are inserted into a spiral compartment. This can be particularly the case with Different sized leaves cause one or more leaves folded or crumpled when inserted into the spiral compartment, from which Faults in the storage or stacking of the sheets result. As well this can cause the order of the dropped sheets is exchanged. This is particularly disadvantageous if the leaves Banknotes are and make various deposits. Should be different Deposits are processed, they are usually separated by Separating agents, so-called header cards, from each other. In this case the order of depositing banknotes and separating agents is interchanged the swapped banknote due to its changed position to the release agent assigned to another deposit.
  • In addition, there is the constructional problem that the Transport path through which the banknotes are fed to the spiral stacker cannot be led into the area of the spiral compartments, because otherwise the partition walls forming the spiral compartments with the transport path would collide. By vibrations of the partitions caused by the Braking and accelerating the spiral stacker must occur a certain distance between the transport path and spiral compartments is provided become. This can be particularly the case with problematic sheets, e.g. B. Cracks or kinks, cause the sheets not to spiral be introduced. Why such banknotes are not stacked correctly become.
  • The object of the present invention is therefore a Sheet stacking device with a spiral stacker, and a method for controlling the Specify sheet material stacking device, which when stacking Avoid scrolling problems or at least reduce them so far, that proper stacking is enabled.
  • This object is achieved according to the invention by a sheet stacking device and a method for controlling the sheet stacking device with the Features of the independent claims solved. advantageous Embodiments of the invention are in dependent claims specified.
  • The invention is based on the one hand on the consideration of the current of the sheet material to be stacked in such a way that between individual Pieces of sheet material gaps or gaps are created that are sufficient to to be able to safely insert every piece of sheet material into a spiral compartment.
  • On the other hand, the invention is based on the consideration, the length of the Influence spiral fan to avoid problems that arise in Inserting more than one piece of sheet into a spiral compartment, especially if the sheet material has different sizes.
  • Furthermore, the invention is based on the consideration that is constructive resulting gap between the transport path and spiral stacker close to the entry of the leaf material into the spiral compartments in any case sure.
  • Overall, the invention has the advantage that the stacking of Sheet material is significantly improved and safer. This creates problems compensated for, resulting from disturbances in the separation, such as separation of more than one piece of sheet material, separation with too little gap between the sheet material etc. and / or the transport of the sheet material, e.g. B. because Slip, etc., and / or caused by the leaf material itself for example because the sheet material has anomalies such as cracks, creases, Edges, folds, etc.
  • In the following, the invention is exemplified with reference to figures described. In the figures are only those in connection with the present Invention essential components of a sheet stacking device shown. The sheet material stacking device according to the invention is in the figures exemplary part of a banknote processing machine.
  • It shows:
  • Fig. 1 shows a basic structure of a sheet stacking apparatus according to the invention,
  • Fig. 2 shows an embodiment of a spiral pocket stacker according to the invention at a first time,
  • Fig. 3 shows the embodiment of the spiral stacker according to the invention of FIG. 2 at a second time, and
  • Fig. 4 shows a second embodiment of a spiral stacker according to the invention.
  • Fig. 1 shows a basic structure of a sheet stacking device according to the invention. Banknotes 7 are inserted into a separator 18 which is driven by a drive 19 , for example a motor. The separator 18 separates the banknotes and transfers them to a transport system 2 , 3 , 5 , 9 . A first transport path 2 of the transport system 2 , 3 , 5 , 9 leads through a checking device 11 which contains various sensors for checking the bank notes 7 . Depending on the test by the test device 11 , the bank notes 7 are transported further by the transport system 2 , 3 , 5 , 9 . In the example shown, the bank note 7 has been steered by a switch 3 into a second transport path 9 , which leads to a spiral stacker 10 to 16 . If the switch 3 has a different position, banknotes can be transported to further stackers and / or other processing units, such as, for example, by means of a third transport path 5 . B. a shredder.
  • The spiral compartment stacker 10 to 16 is formed by a stacking wheel with spirally arranged partition walls 12 , between which spiral compartments 10 are enclosed, into which the banknotes 7 are introduced via the second transport path 9 . By rotating the stacking wheel by means of a drive 14 , for. B. a motor, the banknote 7 is deflected and stripped from a stripping element 13 , which engages and / or encloses the partition walls 12 and from the spiral compartment and placed in a tray 16 , in the example shown some banknotes 15 are already stored ,
  • If the spiral stacker is working properly, the banknotes 15 are neatly stacked in the tray 16 and have a sequence that corresponds to the sequence during transport. To ensure this, the stacking wheel is controlled so that the banknotes 7 always meet in a spiral compartment 10 and not on one of the partitions 12 . For this purpose, a control unit 1 , for. B. a microcomputer is provided, which evaluates the signals of a sensor 4 , for example a light barrier, which is arranged along the second transport path 9 . The signal from sensor 4 indicates the front edge of a banknote. Due to the known transport speed of the banknote 7 and the length of the route of the second transport path 9 from the sensor 4 to the stacking wheel, the control unit 1 can control the motor 14 of the stacking wheel in such a way that at the time when the front edge of the banknote 7 reaches the stacking wheel , there is a spiral compartment at this point. The exact positioning of the stacking wheel is ensured by means of a position sensor 8 which reports the angular position of the motor 14 or the stacking wheel to the control device 1 . Instead of the described use of the sensor 4 in the second transport path 9 or in addition to this, a sensor 6 can be used in the first transport path 2 . This offers the advantage that information about the banknotes to be stacked is already available earlier, which means that there is more time to position the stacking wheel.
  • Additional problems arise when the spiral stacker is used in particular for stacking rejected banknotes. Refused banknotes are referred to when problems have occurred when checking the banknotes 11 . Such problems can be due, for example, to the fact that the banknote could not be recognized and assigned, or that deviations in the singulation occurred by the singler 18 . Examples of such deviations in the separation are the simultaneous separation of more than one banknote, a so-called double deduction, the scaled separation of banknotes, ie banknotes overlap within a certain range, or the separation of banknotes with too little gap between the individual banknotes.
  • Such disturbances in the separation can be detected by means of a sensor 17 , for example a light barrier, which is arranged in the vicinity of the separation 18 and passed on to the control device 1 . On the basis of the signals from the sensor 17 , which is preferably arranged immediately after the separator, it is determined what type of disturbance it is. Using the amount of residual light passing through one or more banknotes, it can be assessed, for example, whether one or more banknotes have been separated. It can also be concluded from the signal from sensor 17 whether banknotes have been peeled off. In this case, the length of the bank note ascertained by the sensor 17 is greater than the length of the largest permissible bank note. Likewise, the distances or gaps between isolated banknotes can be determined by means of the sensor 17 in order to determine whether they are sufficiently large. If such a malfunction is determined, the stacking wheel is stopped at the point in time at which the corresponding banknotes or malfunction is introduced into a spiral compartment, or at least braked to the extent that the banknotes of the malfunction are introduced into a single spiral compartment. Since the sensor 17 is mounted in the vicinity of the separator 18 , an early detection of the fault is possible, ie long before the banknote is inserted into a spiral compartment. This allows the separation by the separator 18 from the control unit 1 to be stopped or delayed after a fault has been detected, for which purpose the control unit 1 acts on the motor 19 . In this way, a larger gap arises after the detected disturbance, which makes it possible to accelerate the braked or stopped stacking wheel again and to provide a spiral compartment for the banknote following the disturbance and the larger gap.
  • Fig. 2 shows an embodiment of a spiral pocket stacker according to the invention at a first time. The spiral compartment stacker 10 to 16 has a structure which corresponds to that of the spiral compartment stacker shown in FIG. 1.
  • A first bank note 22 is already inserted in the spiral compartment, which is located in the area of the outlet of the transport path 9 . A second bank note 7 is added to the already existing first bank note 22 in the same spiral compartment at the first time shown. This may be necessary, for example, in the case described above that the distance between the two banknotes 22 and 7 was so small that it is not possible to continue rotating the stacking wheel to the next spiral compartment. So that the second bank note 7 can be inserted into the spiral compartment without any problems, the first bank note 22 must lie as far as possible in the region of the tip of the partition wall lying in the direction of rotation R. In this way it can be avoided that the first banknote 22 blocks the spiral compartment, which is why upsetting, folding or creasing of the first and / or second banknote 22 , 7 can be avoided. The fact that the first bank note 22 lies against the dividing wall lying in the direction of rotation R also ensures that the order of the bank notes 22 , 7 in the tray 16 is maintained as it was specified in the transport path 9 , namely first the first bank note 22 and then the second bank note 7 . Maintaining the order is - as described at the beginning - particularly important when processing various deposits, which are separated from one another by means of separating cards, in order to avoid erroneous statements caused by swapping the assignment of banknotes belonging to different deposits.
  • In order to ensure that the rear edge of the first bank note 22 lies in the region of the tip of the partition, when processing bank notes 22 , 7 of different sizes, care must be taken to ensure that the length of the spiral compartment available for the bank notes 22 , 7 is in each case the first bank note is adjusted. For this purpose, a stop 23 is provided, which can be an extension of the stripping element 13 , for example. As shown in FIG. 2, the position of the stacking wheel selected by the control device 1 is selected such that the stop 23 limits the length of the spiral compartment located in the region of the outlet of the transport path 9 , so that the front edge of the first bank note 22 on the stop 23 gets up. For the corresponding positioning, the control device 1 determines the length of the respective bank notes, for example by evaluating the signals of one or more of the sensors 4 , 6 , 17 shown in FIG. 1. This ensures that the problems described do not occur when a second bank note 7 is inserted into the spiral compartment with the first bank note 22 . In this way, it is also possible to insert further banknotes into the spiral compartment. After the banknotes have been inserted into the spiral compartment, the motor 14 of the stacking wheel is started again.
  • FIG. 3 shows the embodiment of the spiral compartment stacker according to the invention according to FIG. 2 at a second point in time at which a first bank note 21 is located in the spiral compartment. In contrast to the first bank note 22 from FIG. 2, the first bank note 21 has a greater length. The position of the stacking wheel has therefore been selected by the control device 1 such that the spiral compartment has left the area of influence of the stop 23 . The entire length of the spiral compartment is thus available for accommodating the first bank note 21 . The rear edge of the first bank note 21 is therefore, as required, in the region of the tip of the partition wall lying in the direction of rotation R, against which the bank note 21 also lies, as is also necessary. The second bank note 7 can therefore be inserted without problems into the spiral compartment for the first bank note 21 . In this way, it is also possible to insert further banknotes into the spiral compartment. After the banknotes have been inserted into the spiral compartment, the motor 14 of the stacking wheel is started again. If a short banknote was inserted into the spiral compartment as the first banknote 22 , as described above for FIG. 2, and the subsequent second banknote 7 is a long banknote, the motor 14 can be operated at least until after the introduction of the second banknote 7 the spiral compartment is moved out of the area of influence of the stop 23 . This allows the second bank note 7 to be fully inserted into the spiral compartment.
  • The stop 23 can also be designed in a wedge shape, the stop 23 having to be inclined in the direction of the shelf 16 . This makes it possible not only to limit the length of the spiral compartments to a predetermined length, as described above for FIGS. 2 and 3, but depending on the position of the stacking wheel or the respective spiral compartment selected by the control device 1 in the area the outlet of the transport path 9 to any length.
  • In addition to the described fixed stops, it is also possible to provide a stopper which has a drive which is ichtung eiru from the control energized 1, wherein the control means 1, the positioning of the stop from the sensor signals 4, 6, 17 derived length derives the first banknote in such a way that the rear edge of the first banknote comes to lie in the region of the tips of the dividing walls. As soon as the front edge of the second, possibly longer banknote has been inserted into the spiral compartment under the rear edge of the first banknote, the stop can be removed under control of the control device 1 . A combination of movable stop 23 and positioning of the spiral compartment can also be carried out.
  • Fig. 4 shows a second embodiment of a spiral stacker according to the invention. The spiral compartment stacker 10 to 16 has a structure which corresponds to that of the spiral compartment stacker shown in FIG. 1. In the area of the outlet of the transport path 9 , which cannot connect seamlessly to the partition walls 12 of the stacking wheel or even extend into it, because otherwise there would be collisions with the partition walls, a preferably passive element 20 is attached, which ensures that the front edges of the Banknotes 7 are inserted into the spiral compartments of the stacking wheel. This will surely prevent problematic banknotes, e.g. B. banknotes with cracks or kinks in the region of the front edge of the banknote, passed over the tips of the partitions and thus not properly deposited or stacked in the tray 16 . The element 20 can be designed as an elastic component that bridges the gap between the outlet of the transport path 9 and the stacking wheel. For example, the element 20, as shown in FIG. 4, can be designed as a finger wheel with elastic fingers. The elastic fingers of the finger wheel 20 press against the relatively rigid partitions of the stacking wheel without deforming them so that they securely press all banknotes into the spiral compartments. The circumferential circles of the finger wheel 20 and the stacking wheel overlap, the fingers and the partition walls are toothed, as a result of which the radial pressure on the fingers can be kept relatively low. The finger wheel 20 is not actively driven, but it is moved through the partitions of the stacking wheel. This enables a larger area for the positioning of the spiral compartments for the introduction of banknotes.
  • This is particularly advantageous if the elastic element or the finger wheel 20 is used in combination with the above-described adjustment of the length of the spiral compartments (FIGS . 2 and 3). A combination of the elastic element or finger wheel 20 with the described control of the separation ( FIG. 1) is also possible. In addition, it is also possible to combine the control of the separation ( FIG. 1) with the adjustment of the length of the spiral compartments (FIGS . 2 and 3). In this case, the elastic element or finger wheel 20 can also be used.
  • In certain cases, incorrect stacking may still occur, e.g. B. the stacking device could be designed so that the stop 23 allows two different compartment lengths. These compartment lengths allow the correct stacking of banknotes z. B. the length 100 mm to 125 mm (short compartment length) and 130 mm to 180 mm (long compartment length). This leaves a length range for the first banknote in which incorrect stacking can occur if a second banknote comes so close to the first that no further spiral compartment can be activated.
  • This leads to possible misassignments of banknotes, especially in connection with the header cards mentioned above. To avoid this, the control device 1 in these specific cases can stop the stacker before the affected spiral slot has passed the smoothing element. 13 This means that the banknotes and the header card are still in the spiral compartment. Since the controller 1 knows the correct sequence of the two documents from the results of test apparatus 11, the control device 1 can the user, for example via an interface, such. B. a display and a keyboard, display the expected order and ask to check the correct order of the two documents and, if necessary, to correct them.
  • The checking and / or correction of the stacking sequence can also be done automatically. For this purpose, for example, a camera is arranged in the area of the stacking wheel, which is connected to the control device 1 . The sequence of the sheet material in the spiral compartment of the stopped stacking wheel can then be checked by evaluating the image signals from the camera. If the control device 1 determines that the sequence determined by evaluating the image signals of the camera does not match the sequence expected on the basis of the evaluation of the signals from the test device 11 , a mechanical corrector of the sequence can be carried out. This correction can be carried out physically by means of appropriate devices, ie the sheet material finally deposited in the tray 16 has the correct sequence. In addition or in addition, it is also possible to have the correction carried out by the control unit 1 by correcting the sequence of the assignment of the sheet material in the case of a settlement, ie in the settlement described at the outset of different deposits which are separated from one another by means of header cards an exchange of the order of a billed banknote by the control unit 1 is corrected by adding the banknote to the deposit to which it actually belongs.
  • The devices and methods described for the improvement of quality of the stacking to be achieved by means of a spiral stacker both suitable for sheet material, which along its longitudinal edges is transported, as well as for sheet material, which along its transverse edges is transported.

Claims (17)

1. sheet stacking device with a spiral stacker ( 10 to 16 ), a singler ( 18 , 19 ) and a control device ( 1 ), the spiral stacker ( 10 to 16 ), controlled by the control device ( 1 ) from the singler ( 18 , 19 ) Stacked sheet material, characterized by a sensor ( 17 ), which is arranged after the separator ( 18 , 19 ) and is connected to the control device ( 1 ), the sensor ( 17 ) monitoring the separation of sheet material, and the control device ( 1 ) the separator ( 18 , 19 ) stops at least temporarily when irregularities in the separation are detected by the sensor ( 17 ).
2. Sheet stacking device according to claim 1, characterized in that the sensor ( 17 ) is arranged immediately after the separator ( 18 , 19 ).
3. A method for the control of a sheet stacking device with a spiral stacker ( 10 to 16 ) and a separator ( 18 , 19 ) which stacks isolated sheet material from the separator ( 18 , 19 ), characterized in that the separation of sheet material is monitored, and that the separation is stopped at least temporarily when irregularities occur.
4. Sheet material stacking device with a spiral compartment stacker ( 10 to 16 ), a control device ( 1 ) and a transport system ( 9 ) for the sheet material, the spiral compartment stacker ( 10 to 16 ), controlled by the control device ( 1 ), stacks sheet material, for which purpose the sheet material from Transport system ( 9 ) is introduced into spiral compartments of the spiral compartment stacker ( 10 to 16 ), characterized by a device ( 1 , 23 ) for adjusting the length of the spiral compartment into which the sheet material is introduced by the transport system ( 9 ).
5. Sheet stacking device according to claim 4, characterized in that the device ( 1 , 23 ) for adjusting the length of the spiral compartment has a stop ( 23 ) which limits the length of the spiral compartment.
6. sheet material stacking device according to claim 5, characterized in that the stop ( 23 ) is fixed and that the position of the spiral compartment is set under control of the control unit ( 1 ) to adjust the length of the spiral compartment.
7. sheet stacking device according to claim 5 or 6, characterized in that the stop ( 23 ) is movably mounted, and is moved to adjust the length of the spiral compartment under control of the control unit ( 1 ).
8. Method for controlling a sheet material stacking device with a spiral compartment stacker ( 10 to 16 ) and a transport system ( 9 ) for the sheet material, the spiral compartment stacker ( 10 to 16 ) stacking sheet material, for which purpose the sheet material from the transport system ( 9 ) into spiral compartments of the spiral compartment stacker ( 10 to 16 ) is introduced, characterized in that the length of the spiral compartment into which the sheet material is introduced by the transport system ( 9 ) is set depending on the size of the sheet material to be introduced.
9. sheet material stacking device with a spiral compartment stacker ( 10 to 16 ) and a transport system ( 9 ) for the sheet material, the spiral compartment stacker ( 10 to 16 ) stacking sheet material, for which purpose the sheet material from the transport system ( 9 ) is introduced into spiral compartments of the spiral compartment stacker ( 10 to 16 ) is characterized by an elastic element ( 20 ), which acts on the sheet material at the point of transition of the sheet material from the transport system ( 9 ) into the spiral compartment, the sheet material being guided by the elastic element ( 20 ) into the spiral compartment.
10. sheet stacking device according to claim 9, characterized in that the elastic element ( 20 ) is formed by a finger wheel which has elastic fingers which are interlocked with the partition walls of the spiral compartment stacker ( 10 to 16 ) forming the spiral compartments.
11. sheet material stacking device according to claim 9 or 10, characterized characterized in that the sheet material stacking device has the features of one of the Claims 1 or 2 and / or the features of one of claims 4 to 7.
12. sheet material stacking device according to one of claims 1, 2, 4 to 7 or 9 to 11, characterized in that the control device ( 1 ) stops the stacking wheel for the purpose of checking and / or correcting the order of stacking of the sheet material before that Checking sheet material is removed from the spiral compartment by a stripping element ( 13 ).
13. Sheet stacking device according to claim 12, characterized by a user interface which, controlled by the control device ( 1 ), prompts an operator to check and / or correct the stacking.
14. Sheet stacking device according to claim 12, characterized in that the checking and / or correction of the sequence of the stacking takes place mechanically, in particular by means of a camera in the region of the stacking wheel, which is connected to the control device ( 1 ).
15. sheet material stacking device according to claim 14, characterized in that the correction is carried out by the control unit ( 1 ) in that the order of the assignment of the sheet material is corrected during a settlement.
16. Banknote processing machine for checking and / or sorting Banknotes, characterized by a sheet stacking device according to one of claims 1, 2, 4 to 7 or 9 to 15.
17. Banknote processing machine according to claim 16, characterized characterized in that the sheet stacking device for stacking rejected banknotes is used.
DE2001140101 2001-08-16 2001-08-16 The sheet stacking Expired - Fee Related DE10140101B4 (en)

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AU2002333431A AU2002333431A1 (en) 2001-08-16 2002-08-14 Stacking device for sheet material and a method for controlling the same
PCT/EP2002/009137 WO2003016183A2 (en) 2001-08-16 2002-08-14 Stacking device for sheet material and a method for controlling the same

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WO2003016183A3 (en) 2003-07-17
DE10140101B4 (en) 2013-10-31
AU2002333431A1 (en) 2003-03-03

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