EP3808564A1 - Numérotation autonome de feuilles - Google Patents

Numérotation autonome de feuilles Download PDF

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Publication number
EP3808564A1
EP3808564A1 EP19000472.1A EP19000472A EP3808564A1 EP 3808564 A1 EP3808564 A1 EP 3808564A1 EP 19000472 A EP19000472 A EP 19000472A EP 3808564 A1 EP3808564 A1 EP 3808564A1
Authority
EP
European Patent Office
Prior art keywords
printed
computer
printing
sheet
further processing
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
EP19000472.1A
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German (de)
English (en)
Other versions
EP3808564B1 (fr
Inventor
Sascha Epp
Uwe Peters
Nick Trabold
Martin Klüpfel
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.)
Heidelberger Druckmaschinen Intellectual Property AG and Co KG
Original Assignee
Heidelberger Druckmaschinen AG
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Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to EP19000472.1A priority Critical patent/EP3808564B1/fr
Publication of EP3808564A1 publication Critical patent/EP3808564A1/fr
Application granted granted Critical
Publication of EP3808564B1 publication Critical patent/EP3808564B1/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0036Devices for scanning or checking the printed matter for quality control

Definitions

  • the present invention is concerned with a method for waste management of printed products by means of an autonomous production line with central printed product detection.
  • the invention lies in the technical field of printing logistics.
  • a known solution consists, for example, in manually marking printed sheets with a fluorescent pen during the first pass. This pen is then recognized on the second or next pass of the printed sheet and a process such as switching on a good sheet counter in the case of a correctly printed sheet and ejecting the printed sheet in the case of an incorrectly printed sheet is accordingly initiated.
  • autonomous printing is not possible on the first print pass.
  • the operator has to stop the machine and mark the printed sheet with a fluorescent pen at the exact point where the sensor will later be in the reverse pressure. To do this, he has to take the printed sheet out of the display or mark it in the display. To do this, it is necessary to stop the machine, and when it starts up again, startup waste occurs. Furthermore, there is no comparison between front and back printing. There is a risk here that individual signatures can be mixed in.
  • German patent specification DE 10 2010 003 913 B4 is a storage of the stack structure, in the form of waste and good sheets, and the use for a second pass in a printing machine is known, including marking the waste by an inkjet unit and modification of the pallet via an input field on the machine or a terminal, for acknowledgment or Input of manually removed sheets. So here the printed sheet is automatically written with an inkjet unit.
  • the marking unit can only distinguish whether the printed sheet is waste or not.
  • German patent specification DE 103 49 896 B4 discloses an auto-non-stop in the delivery of the automatic set-up waste and start-up waste separated from the production sheets.
  • German patent application DE 10 2005 009 301 A1 again shows how an electronic memory is permanently connected to the substrate and is written with all events that occur during printing.
  • the costs for an electronic memory result in higher costs than for a visually applied ID.
  • a reader is also required to read this information.
  • the European patent application EP 1 939 800 A1 in turn describes the storage of printing material and print information, such as the condition of the sheet, information about the inspection and measuring system, on a data memory or storage on a database with assignment via an ID with feedback in a database or a production system and a corresponding log generation. Furthermore, a location of the position of the substrate pallet is disclosed.
  • the object is thus to disclose a method for waste management of printed products which works as completely as possible autonomously and thus much more efficiently than the systems known in the prior art and also avoids their known disadvantages.
  • a method for waste management of printed products in a system that processes printing materials, consisting of at least one computer and at least one printing machine, which includes the steps of assigning a central ID for each printed product to be processed in the system by means of a computer, assigning certain events to each ID by the computer, printing of printed products in a printing machine of the system, examination of the correspondingly printed printed products by means of a computer-aided image acquisition system and depending on the assignment of a specific state to each printed product by the computer, assignment of all recorded states to a specific event and triggering of a specific event for all printed products depending on the respectively assigned state of the respective printed product and a specific further processing by the computer.
  • a central and unique ID is assigned for each printed product to be processed in the system is therefore fundamental to the method according to the invention.
  • a status is also assigned to this print product. Since a set of certain possible events is assigned to each ID at the same time and the activation of the events depends on the respective status of the printed product assigned to the ID, as well as on the respective desired further processing of the printed product created, a specific event is selected and automatically executed depending on this. In the simplest case, this means nothing more than that a printed product is given a specific ID, this printed product is checked and z. B.
  • the ID is applied to the respective printed product by means of a writing unit, in particular an inkjet unit, in the form of a machine-readable code, in particular a 1D or 2D code, or an alphanumeric code.
  • a writing unit in particular an inkjet unit
  • a machine-readable code in particular a 1D or 2D code, or an alphanumeric code.
  • the IDs are newly assigned by the computer or specified externally for the system and both the IDs and the assigned events and states are stored by the computer on a local memory of the computer or the printing machine, a central memory of the System or external network storage.
  • the computer itself assigns the IDs continuously, usually incrementally, or whether precise IDs are specified accordingly by an external controller, depends on the local place of use, that is to say the print shop in which the method according to the invention is carried out. It is important, however, that in the present system consisting of computer and printing press, each ID with its corresponding event (s) and, if the assigned print product has already been qualitatively examined, the corresponding status is available to the computer at all times.
  • the printing press is a sheet-fed printing press and each printed sheet used is assigned an ID accordingly by the computer.
  • the method according to the invention can best be used in a sheet-fed printing press. Nevertheless, it can also be used in other forms of printing machines, provided that these can also be separated into individual printed products to which unique IDs can be assigned.
  • the events in the case of further processing in the sheet-fed printing press include the activation of a good sheet counter or the stopping of the printing press and, in the case of further processing in a separate further processing unit, the feeding of the printed print product in the separate further processing unit, the separate filing of the printed print product as a sample, the stopping of the separate further processing unit, as well as the loading of configuration data for an autonomous pre-setting of the separate further processing unit and in both cases the ejection of the printed print product as waste.
  • the first case of further processing in the printing press normally involves printing the reverse side of the printed product.
  • the good sheet counter must be incremented in the case of a good case and, in the case of a bad case, ie the printed product was assessed as waste by the image acquisition system, the printing press is stopped, since in this case no further processing in the form of printing the reverse side is possible. If the printing press in question also has an internal waste gate, the printed product classified as waste can also be ejected directly in this case. Then, under certain circumstances, it is also possible to dispense with stopping the printing press. Furthermore, in the case of further transport of the printed printed product into the further processing unit, actions occurring specifically for this case can be assigned as events, such as those mentioned accordingly.
  • the states of the printed and examined printed products include the state of setup waste, production waste or a good sheet.
  • an examined printed product being waste
  • set-up waste since a certain amount of waste is generated by default when setting up the printing machine, until all the parameters of the printing machine correspond to the desired target parameters, particularly with regard to color control.
  • the set-up waste is thus at least partially independent of the quality assessment of the image acquisition system, since a certain amount of waste always occurs when setting up the printing press, while production waste is only the final state if it is generated after the set-up process has been completed and after the actual printing has started
  • the printed printed product has been rated as reject by the image acquisition system
  • the assigned state as a good sheet automatically results in the assignment of the event of activating the good sheet counter. This applies in particular to the case of further processing in the sheet-fed printing machine, since the good sheet counter must be activated automatically as soon as printed products that are recognized as good sheets enter the printing machine. But even with external further processing, the good sheet counter must be incremented accordingly in the case of an evaluated good sheet.
  • a further preferred development of the method according to the invention is that post-processing in the sheet-fed printing machine, in particular printing the back of the printed product or a second printing process, or post-processing in a separate further processing unit of the system, in particular a punch, is used as further processing of the printed product.
  • a rotary die cutter, a folding machine or a folder gluer is used as further processing of the printed product.
  • the list is not limited to the cases mentioned. Other forms of further processing are also possible; however, the cases mentioned are by far the most frequent and important.
  • an inline image acquisition system is used as the image acquisition system, which is located in the printing press behind a last printing or coating unit. It is true that an external image acquisition system can also be used for the method according to the invention, but an inline image acquisition system is to be preferred in the sense of an autonomous production line that requires a high degree of automation.
  • Figure 1 shows an example of an image acquisition system 2 which uses the method according to the invention. It consists of at least one image sensor 5, usually a camera 5, which is integrated into the sheet-fed printing press 4. The at least one camera 5 records the print images generated by the printing machine 4 and sends the data to a computer 3, 6 for evaluation.
  • This computer 3, 6 can be its own separate computer 6, for example one or more specialized image processing computers 6, or with it the control computer 3 of the printing press 4, at least the control computer 3 of the printing press 4 has a display 7 on which the results of the image inspection are shown to the user 1.
  • a sheet-fed printing press 4 is assumed, with which the printed products correspond to printed sheets 9.
  • the method according to the invention can in principle be used in all printing machines which produce printed products that are to be clearly separated on a printing substrate that is to be further processed.
  • a unique ID is generally generated for each printed sheet 9. This can be generated by the control computer 3 of the printing press 4 and then transmitted to the control unit of the marking unit 8. Alternatively, the control computer of the marking unit 8 itself can generate the ID and then transmit it to the control unit 3 of the printing press 4. Another alternative is the specification of the ID by a central production system 11 by means of a database and transmission to the control unit 3 of the printing machine 4 and then from this to the control unit of the marking unit 8.
  • the ID can be a consecutive number or an arbitrarily generated number.
  • This unique ID is applied via a marking unit, such as an inkjet unit on the sheet feeder.
  • this marking unit can also be attached at a different position in the printing press 4.
  • the ID can be applied in the form of an alphanumeric number that can be read electronically, e.g. via OCR.
  • a machine-readable 1D or 2D code e.g. a barcode or a QR code, can also be used.
  • This feature automatically modifies the sheet counting device so that the required amount of sheets 9 is produced.
  • the printing machine control 3 can receive further parameters and settings that set closer tolerances in order to determine which printed sheets 9 have no or almost no deviations. These are given a further feature, sample sheets, and can be automatically ejected via a separate production line in the downstream post-pressing process and treated separately. In the event of deviations from a reference, the actual deviation is documented so that threshold values can be configured subsequently and thus the properties of each individual sheet 9 can be modified. If there are several panels or elements on a printed sheet 9, the position or the panel number of the deviation is also documented so that subsequent and unambiguous identification is possible. Furthermore, all other job-specific data are assigned to this ID. These can be, for example, order number, work process, signature, face or reverse print page, language, etc.
  • the unique ID with all the information is then stored or temporarily stored in a data memory.
  • a possible preferred application is a second printing pass of a printed sheet 9 in the same printing press 4.
  • the same print side is printed again.
  • the sheet ID is read in in the printing press 4 by means of a sensor device on the sheet feed area, in a printing or coating unit or integrated in a color and quality measuring system 2.
  • the information behind the associated ID is then expanded by signals in production. For example, a printed sheet 9 that was previously assessed as a good sheet will later be assessed as production waste when a discrepancy is detected.
  • the new color and quality information is also assigned to the printed sheet 9 or its stored ID.
  • the plausibility check is also carried out.
  • the third preferred purpose is to send information generated by the printing press control 3 via the central production system 11 or the cloud to a to transfer downstream production unit.
  • a punch, a rotary punch, a folding machine or a folder gluer can be used.
  • the sheet-specific ID is read out via an attached sensor unit and compared with the previously generated data. Using the information that the current print sheet 9 then contains, the control computer 3 accordingly initiates an event that happens to the respective print sheet 9

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP19000472.1A 2019-10-16 2019-10-16 Numérotation autonome de feuilles Active EP3808564B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19000472.1A EP3808564B1 (fr) 2019-10-16 2019-10-16 Numérotation autonome de feuilles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19000472.1A EP3808564B1 (fr) 2019-10-16 2019-10-16 Numérotation autonome de feuilles

Publications (2)

Publication Number Publication Date
EP3808564A1 true EP3808564A1 (fr) 2021-04-21
EP3808564B1 EP3808564B1 (fr) 2023-12-20

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ID=68280663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19000472.1A Active EP3808564B1 (fr) 2019-10-16 2019-10-16 Numérotation autonome de feuilles

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EP (1) EP3808564B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022105615A1 (de) 2022-03-10 2023-09-14 Koenig & Bauer Ag Bogenverarbeitende Maschine und Verfahren zur Kennzeichnung und Nachverfolgung von Bogen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349896B4 (de) 2003-10-25 2005-11-17 Koenig & Bauer Ag Bogendruckmaschine und Verfahren zum Betreiben einer Bogendruckmaschine
DE102005009301A1 (de) 2005-03-01 2006-09-07 Koenig & Bauer Ag Verfahren zum prozessübergreifenden Transport von bedruckstoff- und druckerzeugnisgebundenen Daten
DE102005037497A1 (de) * 2005-08-09 2007-02-15 Man Roland Druckmaschinen Ag Kennzeichnungssystem und Qualitäts- und Kennzeichnungsverfahren für eine Bogendruckmaschine
DE102006015828A1 (de) * 2006-04-03 2007-10-04 Man Roland Druckmaschinen Ag Gewichtete Bogeninspektion
EP1939800A1 (fr) 2006-12-22 2008-07-02 MAN Roland Druckmaschinen AG Commande du flux de production pour une imprimerie
EP3168045A2 (fr) * 2015-11-13 2017-05-17 manroland web systems GmbH Procédé de commande ou de réglage d'un processus de production lors de la production de produits imprimés
DE102010003913B4 (de) 2010-04-13 2019-01-10 Koenig & Bauer Ag Verfahren zum Betreiben von Bogendruckmaschinen und eine Bogendruckmaschine zum Bedrucken von Bogen
EP3456535A1 (fr) * 2017-09-14 2019-03-20 Heidelberger Druckmaschinen AG Inspection d'image des produits imprimés avec des classes d'erreur

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349896B4 (de) 2003-10-25 2005-11-17 Koenig & Bauer Ag Bogendruckmaschine und Verfahren zum Betreiben einer Bogendruckmaschine
DE102005009301A1 (de) 2005-03-01 2006-09-07 Koenig & Bauer Ag Verfahren zum prozessübergreifenden Transport von bedruckstoff- und druckerzeugnisgebundenen Daten
DE102005037497A1 (de) * 2005-08-09 2007-02-15 Man Roland Druckmaschinen Ag Kennzeichnungssystem und Qualitäts- und Kennzeichnungsverfahren für eine Bogendruckmaschine
DE102006015828A1 (de) * 2006-04-03 2007-10-04 Man Roland Druckmaschinen Ag Gewichtete Bogeninspektion
EP1939800A1 (fr) 2006-12-22 2008-07-02 MAN Roland Druckmaschinen AG Commande du flux de production pour une imprimerie
DE102010003913B4 (de) 2010-04-13 2019-01-10 Koenig & Bauer Ag Verfahren zum Betreiben von Bogendruckmaschinen und eine Bogendruckmaschine zum Bedrucken von Bogen
EP3168045A2 (fr) * 2015-11-13 2017-05-17 manroland web systems GmbH Procédé de commande ou de réglage d'un processus de production lors de la production de produits imprimés
EP3456535A1 (fr) * 2017-09-14 2019-03-20 Heidelberger Druckmaschinen AG Inspection d'image des produits imprimés avec des classes d'erreur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022105615A1 (de) 2022-03-10 2023-09-14 Koenig & Bauer Ag Bogenverarbeitende Maschine und Verfahren zur Kennzeichnung und Nachverfolgung von Bogen

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