EP3808564B1 - Numérotation autonome de feuilles - Google Patents

Numérotation autonome de feuilles Download PDF

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Publication number
EP3808564B1
EP3808564B1 EP19000472.1A EP19000472A EP3808564B1 EP 3808564 B1 EP3808564 B1 EP 3808564B1 EP 19000472 A EP19000472 A EP 19000472A EP 3808564 B1 EP3808564 B1 EP 3808564B1
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EP
European Patent Office
Prior art keywords
printed
computer
sheet
printing
print
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP19000472.1A
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German (de)
English (en)
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EP3808564A1 (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
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Heidelberger Druckmaschinen Intellectual Property AG and Co KG
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Priority to EP19000472.1A priority Critical patent/EP3808564B1/fr
Publication of EP3808564A1 publication Critical patent/EP3808564A1/fr
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    • 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

Definitions

  • the present invention is concerned with a method for the macula deforestation of printed products using an autonomous production line with central printed product detection.
  • the invention lies in the technical field of printing logistics.
  • One known solution for example, is to manually mark printed sheets with a fluorescent pen during the first pass. This pin is then recognized during the second or next pass of the printed sheet and accordingly a process such as switching on a good sheet counter in the case of a correctly printed printed sheet and the ejection of the printed sheet in the case of an incorrectly printed printed sheet is initiated.
  • autonomous printing is not possible on the first print run. The operator therefore has to stop the machine and mark the printed sheet with a fluorescent pen at exactly the point where the sensor will later be located in the reverse printing. To do this, he must remove the printed sheet from the delivery or mark it in the delivery. To do this, it is necessary to stop the machine, and when it restarts, start-up waste is created again. 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 press is known, including marking the waste by an inkjet unit and modifying the pallet via an input field on the machine or a terminal, for acknowledgment or .Entering manually extracted sheets.
  • print sheets are written on automatically using 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 reveals an auto non-stop in the delivery of the setup waste and start-up waste are automatically 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 printing material and recorded with all events that occur during printing.
  • the costs for an electronic memory result in higher costs than for a visually applied ID.
  • a reading device is required to read this information.
  • the European patent application EP 1 939 800 A1 in turn describes storage of printing material and printing information, such as the condition of the sheet, information about the inspection and measuring system, on a data storage or storage on a database with assignment via an ID with feedback to a database or a production system and a corresponding log creation. Furthermore, locating the position of the substrate pallet is disclosed.
  • German patent application DE 102005037497 A1 is a method for individually marking each benefit on a printed sheet using a laser device during the printing process in a sheet-fed printing machine, preferably sheet-fed offset printing machine, with a visual or machine-readable unique coding is known.
  • a printing ink or coating is applied to the printing sheet using a printing device, the printing device being arranged upstream of the laser device in the sheet running direction of the printing machine, and the printing ink or coating applied by the printing device being a thermosensitive printing ink or Coating that changes color under the influence of a laser beam.
  • German patent application DE 102006015828 A1 in turn discloses an image processing system for a printing press that is suitable for variably inspecting image data.
  • the invention also describes methods that are used in the event of an error in order to reduce misprints.
  • the European patent application EP 3 168 045 A2 discloses a method for controlling or regulating a production process in the production of printed products from a web-shaped printing material in a printing system, the method having the following steps: printing a code, in particular a matrix code, with production information contained therein for the control or .Regulation of the production process for the printing material; Detecting the code using a detection device; Evaluation of the production information contained in the code using an evaluation unit; Execution of the control or regulation actions based on the production information determined by the printing system; wherein a code containing production information about several different signatures is printed on at least one signature to be separated from the web-shaped printing material by cross-cutting.
  • the European patent application EP 3 456 535 A1 shows a method for waste management in a machine that processes printing materials by means of a computer, wherein as part of waste management, sensors, in particular in the form of an image capture system with at least one image sensor, capture print images from the printed products and compare them with a digital reference and, in the event of deviations from the recorded ones Print images from the digital reference, the incorrectly recognized printed products are removed, and which is characterized in that waste profiles are created, which contain parameters to which certain actions are assigned and for print images that deviate from the digital reference and are recorded as part of the image inspection depending on the parameters certain actions are carried out, with different devices being controlled depending on the specific actions.
  • a method for waste management of printed products in a system processing printing materials consisting of at least one computer and at least one printing press, which includes the steps of assigning a central ID for each printed product to be processed in the system by means of a Computer, assignment of certain events to each ID by the computer, printing of printed products in a printing press of the system, examination of the correspondingly printed printed products using a computer-aided image capture system and, depending on this, assignment of a specific state to each printed printed product by the computer, assignment of all recorded states to a specific event and triggering the specific event for all printed printed products depending on the respectively assigned state of the respective printed product and a specific further processing by the computer, wherein the printing press is a sheet-fed printing press and an ID is assigned to each printed sheet used by the computer , the events in the case of further processing in the sheet-fed printing press include activating a good sheet counter or stopping the printing press and, in the case of further processing in a separate further processing unit, feeding the printed printed printed
  • a central and unique ID is assigned for each printed product to be processed in the system. After this printed product has been created and the corresponding quality analysis carried out by an image capture system, a condition is also assigned to this printed product. Since at the same time each ID is assigned an Sct of certain possible events and the activation of the events depends on the respective state of the print product assigned to the ID, as well as on the respective desired further processing of the generated print product, a specific event is selected and executed automatically depending on this. In the simplest case, this means nothing other than that a printed product gets a specific ID, this printed product is checked and, for example, B.
  • the first case of further processing in the printing press usually involves printing on the back of the printed product.
  • the good case the good sheet counter must be incremented and in the bad case, i.e. H. that the printed product was assessed as waste by the image capture system, the printing press is stopped, since in this case no further processing in the form of printing on the back is possible.
  • the printing press in question also has an internal waste filter, in this case the printed product that is classified as waste can also be rejected directly. In this case, it may be possible to avoid stopping the printing press.
  • actions specific to this case can be assigned as events in the event of further transport of the printed print product into the further processing unit, such as those mentioned accordingly.
  • 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.
  • a further preferred development of the method according to the invention is that the IDs are newly assigned by the computer or specified externally to 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 press, a central memory of the System or an external network storage.
  • the computer itself assigns the IDs continuously, usually incrementally, or whether exact IDs are specified accordingly by an external control depends on the local location, i.e. the printing shop in which the method according to the invention is carried out.
  • the local location i.e. the printing shop in which the method according to the invention is carried out.
  • the states of the printed and examined printed products include the state of a set-up waste, a production waste or a good sheet.
  • an examined printed product is in the form of waste
  • setup waste since a certain amount of waste is generated as standard when setting up the printing press until all parameters of the printing press, particularly with regard to color control, correspond to the desired target parameters.
  • the setup waste is therefore at least partially independent of the quality assessment of the image capture system, since a certain amount of waste always occurs when setting up the printing press anyway, while production waste is only the final state if it is produced after the setup process has been completed and after the actual production has started printed product was assessed as rejects by the image capture system.
  • a further preferred development of the method according to the invention is that 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 press, since the good sheet counter must be activated automatically as soon as printed products recognized as good sheets enter the printing press. 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 further processing of the printed printed product involves post-processing in the sheet-fed printing press, in particular printing on 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, a rotary die cutter, a folding machine or a folding box gluing machine.
  • a further preferred development of the method according to the invention is that an inline image capture system is used as the image capture system, which is located in the printing press behind a final printing or coating unit.
  • an external image capture system can also be used for the method according to the invention, in the sense of an autonomous production line that requires a high degree of automation, an inline image capture system is preferable.
  • Another solution to the task is a computer-aided automated waste management system for a machine that processes printed sheets and is set up to carry out the above-mentioned method.
  • Figure 1 shows an example of an image capture 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 press 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 also with be identical to 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 displayed to the user 1.
  • the printing press is a sheet-fed printing press 4, with which the printed products correspond to printed sheets 9.
  • 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 can also create the ID itself and then transmit it to the control unit 3 of the printing press 4. Another alternative is to specify the ID by a central production system 11 using a database and transmit it to the control unit 3 of the printing press 4 and then from there 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 to 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 quantity of sheets 9 is produced.
  • the printing press control 3 can receive additional parameters and settings that set tighter tolerances in order to determine which printing sheets 9 have no or almost no deviations. These receive another feature, sample sheets, and can be automatically discharged via a separate production line in the downstream postpress process and treated separately. If there are deviations from a reference, the actual deviation is documented so that threshold values can be subsequently configured, thus allowing the properties of each individual sheet 9 to be modified. If there are several benefits or elements on a printed sheet 9, the position or benefit number of the deviation is also documented so that subsequent and clear identification is possible. Furthermore, all other job-specific data is assigned to this ID. These can be, for example, order number, work process, signature, front or back page, language, etc.
  • the unique ID with all the information will then be saved or cached in a data storage.
  • a possible preferred application is a second printing pass of a printed sheet 9 in the same printing press 4.
  • the sheet ID is read in the printing press 4 by means of a sensor device in the sheet feed area, in a printing or coating unit or integrated into a color and quality measurement system.
  • the information behind the associated ID is then expanded using signals in production. For example, a printed sheet 9 that was previously evaluated as a good sheet will later be evaluated as production waste when a deviation is detected.
  • the new color and quality information is also assigned to the print sheet 9 or its stored ID.
  • the plausibility is checked.
  • the third preferred purpose is to send information generated by the printing press control 3 to a central production system 11 or cloud downstream production unit.
  • a die cutter, a rotary die cutter, a folding machine or a folding box gluing machine come into consideration.
  • the sheet-specific ID is read out via an attached sensor unit and compared with the previously generated data. Due to the information that the current print sheet 9 then contains, an event is initiated by the control computer 3, which happens to the respective print sheet 9.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (8)

  1. Procédé de gestion des macules de produits d'impression (9) dans un système de traitement de supports d'impression composé d'au moins un ordinateur (3, 8, 10) et d'au moins une machine à imprimer (4), comprenant les étapes suivantes : attribution d'un identifiant central pour chaque produit d'impression (9) à traiter dans le système au moyen d'un ordinateur, attribution d'événements déterminés à chaque identifiant par l'ordinateur (3, 8, 10), impression de produits d'impression (9) dans une machine à imprimer (4) du système, analyse des produits d'impression (9) imprimés correspondants au moyen d'un système de détection d'images (2) assisté par ordinateur et, en fonction de cela, attribution par l'ordinateur (3, 8, 10) d'un état déterminé à chaque produit d'impression (9) imprimé, attribution de tous les états détectés à un événement déterminé particulier et déclenchement de l'événement déterminé pour tous les produits d'impression (9) imprimés, en fonction de l'état attribué particulier du produit d'impression (9) considéré et d'un traitement ultérieur déterminé par l'ordinateur (3, 8, 10), pour lequel
    la machine à imprimer (4) est une machine à imprimer à feuilles (4),
    caractérisé en ce que
    chaque feuille imprimée (9) utilisée se voit attribuer un identifiant par l'ordinateur (3, 8, 10), les événements comprenant, dans le cas d'un traitement ultérieur dans la machine d'impression à feuilles (4), l'activation d'un compteur de bonnes feuilles ou l'arrêt de la machine à imprimer (4) et, dans le cas d'un traitement ultérieur dans une unité de traitement ultérieur distincte, le transfert du produit d'impression (9) imprimé dans l'unité de traitement ultérieur distincte, la dépose distincte du produit d'impression (9) imprimé en tant qu'échantillon, l'arrêt de l'unité de traitement ultérieur distincte, ainsi que le chargement de données de configuration conservées pour un préréglage autonome de l'unité de traitement ultérieur distincte et, dans les deux cas, la déflexion du produit d'impression (9) imprimé en tant que macule.
  2. Procédé selon la revendication 1,
    caractérisé en ce
    que l'identifiant est appliqué sur le produit d'impression respectif (9) au moyen d'une unité de marquage, notamment une unité à jet d'encre, sous la forme d'un code lisible par machine, notamment un code 1D ou 2D, ou un code alphanumérique.
  3. Procédé selon la revendication 2,
    caractérisé en ce
    que les identifiants sont réattribués par l'ordinateur (3, 8, 10) ou prédéfinis de manière externe au système et que non seulement les identifiants mais aussi les événements et états associés sont sauvegardés par l'ordinateur (3, 8, 10) sur une mémoire locale de l'ordinateur (3, 8, 10) ou de la machine à imprimer (4), une mémoire centrale du système ou une mémoire externe de réseau.
  4. Procédé selon l'une des revendications 2 à 3,
    caractérisé en ce
    que les états des produits d'impression (9) imprimés et analysés comprennent l'état d'une macule de mise en route, d'une macule de production ou d'une bonne feuille.
  5. Procédé selon la revendication 4,
    caractérisé en ce
    que l'état attribué comme bonne feuille résulte automatiquement de l'attribution de l'événement d'activation du compteur de bonnes feuilles.
  6. Procédé selon l'une des revendications 2 à 5,
    caractérisé en ce
    que, comme traitement ultérieur du produit d'impression (9) imprimé, il est procédé à un traitement ultérieur dans la machine à imprimer à feuilles (4), en particulier une impression du verso du produit d'impression (9) ou une deuxième opération d'impression, ou à un traitement ultérieur dans une unité de traitement ultérieur séparée du système, notamment une poinçonneuse, une poinçonneuse rotative, une plieuse ou une machine de collage des boîtes pliantes.
  7. Procédé selon l'une des revendications précédentes,
    caractérisé en ce
    que le système d'acquisition d'images (2) utilisé est un système de détection d'images en ligne (2) qui se trouve dans la machine à imprimer (4) en aval d'un dernier groupe d'impression ou de vernissage.
  8. Système automatisé de gestion des macules assisté par ordinateur pour une machine de traitement de feuilles à imprimer, conçu pour l'exécution d'un procédé selon l'une des revendications précédentes.
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 EP3808564A1 (fr) 2021-04-21
EP3808564B1 true EP3808564B1 (fr) 2023-12-20

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EP19000472.1A Active EP3808564B1 (fr) 2019-10-16 2019-10-16 Numérotation autonome de feuilles

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Families Citing this family (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

Family Cites Families (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
DE102005009301B4 (de) 2005-03-01 2016-01-28 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
DE102006061119A1 (de) 2006-12-22 2008-06-26 Man Roland Druckmaschinen Ag Produktionsflusssteuerung für eine Druckerei
DE102010003913B4 (de) 2010-04-13 2019-01-10 Koenig & Bauer Ag Verfahren zum Betreiben von Bogendruckmaschinen und eine Bogendruckmaschine zum Bedrucken von Bogen
DE102015119652A1 (de) * 2015-11-13 2017-05-18 Manroland Web Systems Gmbh Verfahren zur Steuerung bzw. Regelung eines Produktionsprozesses bei der Herstellung von Druckprodukten
DE102017216260A1 (de) * 2017-09-14 2019-03-14 Heidelberger Druckmaschinen Ag Bildinspektion von Druckerzeugnissen mit Fehlerklassen

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