WO2014202254A1 - Machine d'impression équipée d'un système à jet d'encre et procédé d'impression d'une surface cible - Google Patents

Machine d'impression équipée d'un système à jet d'encre et procédé d'impression d'une surface cible Download PDF

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Publication number
WO2014202254A1
WO2014202254A1 PCT/EP2014/057353 EP2014057353W WO2014202254A1 WO 2014202254 A1 WO2014202254 A1 WO 2014202254A1 EP 2014057353 W EP2014057353 W EP 2014057353W WO 2014202254 A1 WO2014202254 A1 WO 2014202254A1
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WO
WIPO (PCT)
Prior art keywords
printing
inkjet system
substrate
transport path
printing machine
Prior art date
Application number
PCT/EP2014/057353
Other languages
German (de)
English (en)
Inventor
Thorsten Haag
Original Assignee
Koenig & Bauer Aktiengesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50478849&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2014202254(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koenig & Bauer Aktiengesellschaft filed Critical Koenig & Bauer Aktiengesellschaft
Priority to EP14716832.2A priority Critical patent/EP3010720B1/fr
Publication of WO2014202254A1 publication Critical patent/WO2014202254A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • B41J11/46—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering by marks or formations on the paper being fed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/007—Apparatus or machines for carrying out printing operations combined with other operations with selective printing mechanisms, e.g. ink-jet or thermal printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0406—Drying webs by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0476—Cooling

Definitions

  • Printing machine with at least one designed as an inkjet printing unit and method for printing a changing in a running printing process or at least changeable information on a target surface provided on a substrate
  • the invention relates to a printing press with at least one printing unit designed as an inkjet system according to claim 1 and to a method for printing a variable that is changing or at least changeable in a running printing process
  • DE 10 2007 047 180 A1 discloses a web-fed printing machine with at least one printing-form-based printing unit for the static printing of at least one printing substrate web with one for printed copies of a print job
  • Print image and with at least one processing device positioned downstream of the printing form-based printing units and upstream of a folding device,
  • a printing forme printing device for dynamically printing at least one substrate web with a variable for at least a few copies print image inline, in addition to the static printing thereof, wherein the or each processing device is associated with a sensor which automatically measures a statically printed substrate web and depending on the measurement of the Substrate web controls the respective processing device to the with the
  • Processing device to be executed processing, in particular to be printed dynamic printing image to position in the transport direction and / or transversely to the transport direction of the printing substrate at the desired position on the printing substrate.
  • DE 10 2007 020 736 A1 discloses a web-fed printing press with at least one printing unit for printing on at least one, preferably several, Substrate webs, and with a web guiding device, through which the or each printing material is transportable so that depending on the web guide of the or each printing material by the web guide at least one printing material on an upper side thereof and / or on a lower side thereof by means of at least one in the region Web guiding device positioned processing device is machinable, wherein the processing device z. B. is designed as an inkjet printing device.
  • DE 10 2007 054 987 A1 discloses a web-fed printing machine with at least one printing unit for static printing of at least one printing material web, preferably several printing material webs, with a print image invariable for all printed copies, and at least one processing device positioned upstream of a folding apparatus for preferably dynamic processing at least one processing device is mounted on a handling device such that the processing device with the help of the handling device within the action range of the handling device is three-dimensionally displaceable in space so that the processing device to a freely determinable position of a Substrate web and can be positioned with a freely determinable orientation to the printing substrate, wherein the
  • Processing device z. B. is designed as an inkjet printing device.
  • Printing device with one or more inkjet printheads to the impression
  • Working position is arranged to a paper web within the printing press, in particular in one or at least close to a printing unit, to allow additional, variable information and during a print run frequently changing information at any point within the of the
  • Printing press produced can be added.
  • DE 10 2008 000 563 A1 discloses a method for individualizing pages of a printed product whose respective print image is produced on a printing substrate in a printing press, in each case with a printing form, wherein the print image to be individualized at a selectable position in the printing press Side of the printed product having printing material by an imprinter one
  • control unit of a production planning system controlling a production of this printing press, the information content of this marking being provided by the control unit of the
  • Production planning system is variable, wherein the information to be provided at a certain position in the printing press information content is provided cyclically recurring within a current production.
  • the invention has for its object to provide a printing machine with at least one designed as an inkjet printing unit and a method for printing a changing in a running printing process or at least changeable information on a substrate provided on a target surface, wherein a
  • Inkjet system an impression of a changing in a running printing process or at least changeable information on a target surface provided on the printing material is executed in the correct position, so that a passer-like and / or
  • an inkjet system performs an impression of a change in a running printing process or at least changeable information on a target surface provided on the substrate in the correct position.
  • FIG. 1 shows a printing press with a fixed inkjet system.
  • Fig. 3 shows a printing machine with a during a running printing process
  • FIG. 4 shows various further processing steps of a web-fed printing press with a
  • FIG. 5 is a front view of the further processing stages shown in FIG. 4;
  • FIG. Fig. 6 is a perspective view of a bay window device;
  • Fig. 7 shows an arrangement of an inkjet system on a bay window device
  • FIG. 8 shows an enlarged detail of FIG. 7
  • Fig. 9 is a side view of the arranged on the Bay window device
  • Fig. 1 1 shows an arrangement of the inkjet system in a branch of a strand subassembly
  • Fig. 12 is a schematic illustration of an example of a digital printing machine
  • FIG. 13 shows a schematic representation of a digital printing press with an alternative guidance of the material web
  • Fig. 14 is a schematic representation of a part of a printing unit with a
  • Fig. 1 shows an example and simplified in a schematic representation of a printing press 01 with preferably several printing units 02; 03; 04. Of the printing units 02; 03; 04 of this printing press 01 prints at least one printing unit 04 in one
  • Direct printing method with a printing formless printing device in particular with an inkjet system 06.
  • Another printing unit 02; 03 of this printing press 01 prints z. B. in an offset printing process or in a gravure printing process. The to this
  • Printing press 01 belonging printing units 02; 03; 04 jointly print one, ie the same guided through the printing press 01 substrate 07, wherein the Printing material 07 z. B. as a material web or as a printed sheet, in particular as a sequence of printing sheet is formed.
  • the Printing material 07 z. B. as a material web or as a printed sheet, in particular as a sequence of printing sheet is formed.
  • Stock 07 is the printing press 01 z. B. formed as a web printing press or as a sheet-fed press.
  • the printing machine 01 is z. In the
  • Printing material 07 consists z. B. of paper, plastic, metal or from a
  • Multi-component material eg. Example of a coated carrier material or of a material having a multilayer structure in which the layers consist in particular of different materials. At least two of these
  • Printing press 01 belonging printing units 02; 03; 04, one of which as the
  • Printing unit 04 is formed with an inkjet system 06 are in the relevant
  • the inkjet system 06 in question is designed in such a way that this inkjet system 06 prints an information which changes or at least can be changed in the current printing process to a target surface 08 provided on the printing substrate 07.
  • this inkjet system 06 prints an information which changes or at least can be changed in the current printing process to a target surface 08 provided on the printing substrate 07.
  • Printing material 07 can be several inkjet systems 06 z. B. along a Traverse be arranged side by side, which are controlled so that they each have different in each case in the current printing process respectively changing or at least variable information in each case one of them each assigned to the
  • Each of the inkjet systems 06 prints i. d. R. monochrome, d. H. prints only a single ink.
  • d. H. prints only a single ink.
  • Inkjet systems 06 print z. B. different inks, which therefore differ from each other in their respective color.
  • formed substrate 07 is in a running printing process with a
  • Printing material 07 has a width B07 directed transversely to its transport path T, the respective target surface 08 provided for the printing to be executed by the relevant inkjet system 06 also having a width B08 directed transversely to the transport path T provided for the printing substrate 07, wherein the width B08 of the respective target surface 08 is smaller than z. B. one half of the width B07 of
  • the respective target surface 08 is z. B. arranged in or on a print image 09 of a printed copy to be produced in the current printing process, wherein the respective print image 09 on the substrate 07 in a z. B. rectangular field or printing frame with a transversely to the provided for the substrate 07 transport path T directed width B09 is formed, said field or this printing frame dimensions on the order of z. B. a DIN A5 page or larger.
  • the respective target area 08 is also z. B. formed as a rectangular field and has dimensions of the order of z. B. 100 mm by 75 mm.
  • the respective width B08 of the respective target surface 08 is in each case also smaller than the width B09 of the respective target surface 08 respectively assigned print image 09.
  • the relevant print image 09 which is associated with the target surface 08 for the impression of variable information, is preferably of at least one the other z. B. in offset printing or gravure printing printing units 02; 03 printed.
  • the variable information in the relevant print job is z.
  • This variable information and / or an indication of the position of the intended for this information target area 08 on the substrate 07 are z. B. of a cooperating with a control unit 1 1 database, in particular the control unit 1 1 and database of a production planning system, and / or the control unit 1 1 of the printing press 01 controlling control station z. B. provided to the respective inkjet system 06.
  • the coding and thus the variable Information has z. B. an address and / or numbering or is designed as an address and / or numbering. With a printed address, the printed copy in question is personalized and can z. B. be delivered personally.
  • the coding takes place z. B. systematically by z. B. a stored in a memory address list is processed to print copies z. B. assigned to certain recipients, or stochastic when, for example, at random. B.
  • variable information from a database, which cooperates with the respective inkjet system 06 controlling the control unit 1 1, in the form of a
  • this database preferably belongs to that production planning system, which the to be executed by the printing press 01 printing process, d. H. controls the relevant to be processed by the printing press 01 print job.
  • Production planning system is generally understood to be a computer-aided production planning and control system, which is used for operational planning and control of the production process, for. B. is used in a printing company.
  • Production planning system supports the processes and processes of a
  • Product delivery d. H. the production and delivery of a product, eg. B. a printed product.
  • a production planning system orders are processed, products are configured, produced and delivered.
  • the at least one successively arranged, designed as an inkjet system 06 printing unit 04 in the printing machine 01 is arranged stationary by the respective inkjet system 06 z. B. with a frame of this printing press 01 is firmly connected. Between the respective stationarily arranged inkjet system 06 and one of these
  • Inkjet system 06 arranged in a row printing units 02; 03 is a printing material 07 in its position, in particular transversely to its intended transport path T adjusting positioning device 12 is provided, wherein a position of the for the pressure the target area 08, which changes in the current printing process or is provided with at least changeable information, can be adjusted or at least adjusted by positioning the printing material 07 by means of the positioning device 12 relative to the stationary inkjet system 06.
  • a position of the for the pressure the target area 08 which changes in the current printing process or is provided with at least changeable information, can be adjusted or at least adjusted by positioning the printing material 07 by means of the positioning device 12 relative to the stationary inkjet system 06.
  • the positioning device 12 is z. B. in one of the printing machine 01 associated, various processing stages having machine unit arranged.
  • Printing material 07 positioning positioning 12 is z. B. of the with the
  • Database cooperating control unit 1 1 controlled or at least controllable. Regardless of the specific design of the positioning device 12, this always affects the lateral, d. H. directed transversely to its transport direction arrangement of the
  • the partial webs can after their separation and if necessary after their
  • FIG. 3 likewise shows only schematically a further example in which the at least one printing unit 04 embodied as an inkjet system 06, in contrast to Embodiment according to FIG. 1 is not arranged stationary in the printing press 01, but the respective inkjet system 06 is positioned differently in the printing machine 01 at least in the direction transverse to the transport path T provided for the printing substrate 07 by means of a remotely actuated or at least remotely actuable actuating device 13, in particular relative to at least one reference edge of the printing material 07 adjustable to different positions, wherein the relevant reference edge of the printing material 07 z. B. along the intended for this substrate 07
  • Transport path T is directed.
  • On the substrate 07 at least one mark 14 is present, preferably on the substrate 07 both in the direction transverse to the provided for this substrate 07 Transportweg T and along each of several brands 14 available, these at least one mark 14 in a running printing process or production process is detected by a detection device 16 or at least detectable.
  • the at least one mark 14 is z. B. from a printing unit 02; 03, the inkjet system 06 in the direction of for the
  • Substrate 07 provided transport path T is upstream, have been printed on the substrate 07.
  • This at least one mark 14 is z. B. a part of the upstream of the printing unit 02; 03 created print image 09 or at least this
  • the at least one arranged on the substrate 07 mark 14 detection device 16 is z. B. part of an existing in the printing machine 01 cut register control device and / or color register control device and / or a print copies during running production testing, preferably optical inspection system. This particular optical
  • Detection device 16 has z. B. a camera or this detection device 16 uses at least one camera, preferably a semiconductor camera.
  • Detection device 16 is z. B. connected to the inkjet system 06 in its current position adjusting device 13 and / or with the printing material 07 positioning positioning device 12, in particular connected by data technology.
  • the Setting device 13 or the positioning device 12 each have z. B. an electric or pneumatic drive 26, by means of which the inkjet system 06 or the substrate 07 at least in the direction transverse to the transport path T provided for the substrate 07 z. B. along a arranged in or on the printing press 01 Traverse is movable.
  • the position of the at least in the direction transverse to the transport path T provided for the substrate 07 different
  • positionable inkjet system 06 and / or the target surface 08 having printing substrate 07 are thus based on the at least one in the current
  • Detection device 16 detected position or position of at least one arranged on the substrate 07 mark 14 is set relative to the position of the intended for the printing of changing or at least variable information in the current printing process target surface 08 is or, wherein the position or Position of the relevant brand 14 and the target position of the target surface 08 in a fixed, d. H.
  • the current position of the inkjet system 06 is or will z. B. set by the adjusting device 13 such that the relevant detected by the detection device 16 mark 14 and the current position of the inkjet system concerned 06 z. B. aligned, d. H. in a same track along to the for the
  • Substrate 07 provided transport path T are located. On the other hand, alternatively or additionally, it may also be provided that the printing material 07 having the relevant target surface 08 differs from that connected to the detection device 16
  • Positioning device 12 is set as a function of the detected mark 14 relative to the respective inkjet system 06 or is. Generally formulated is thus provided that based on the at least one in the current printing process of the Detection device 16 detected mark 14 a printing position and / or a
  • the printing position is the position from which the inkjet system 06 its printing operation with respect to the guided through the printing press 01
  • Printing material 07 executes, this position z. B. either by positioning the entire subject inkjet system 06 relative to the target surface 08 on the
  • Print position is it alternatively or in addition to the above
  • Embodiments also possible, in particular by means of the positioning device 12 to adjust the position or position of the target surface 08 on the substrate 07 relative to the respective inkjet system 06.
  • the printing time that is to say the printing time, detected by the detection device 16 is preferably also based on the at least one mark 14 detected in the current printing process.
  • a nozzle bar 213 arranged in the inkjet system 06 has a plurality of rows of nozzles along the transport path T of the printing material 07, these nozzles being offset from the at least one in the current printing process by the at least one printing time
  • Detection device 16 detected mark 14 are either set or at least adjustable. On the drops of a printing ink or ink ejecting nozzles of the respective inkjet system 06 will be later in particular in connection with the Fig. 12 to 14 received.
  • a method for printing information which changes or at least changes information in a running printing process results on a target surface 08 provided on a substrate 07, wherein at least one brand 14 arranged on the substrate 07 and detected by a detection device 16 in the current printing process a printing position and / or a printing time of an inkjet system 06 is set relative to a position of the intended for the printing of changing or at least changeable information in the current printing process target surface 08, wherein the at least one on the
  • Printing material 07 arranged brand 14 of one as part of a
  • Section register control device and / or a color register control device formed detection device 16 is detected.
  • Detection device 16 detected mark 14 will be the inkjet system 06 and / or the substrate 07 at least in one direction transverse to one for the
  • Printing material 07 provided transport path T moves. Furthermore, the
  • At least one of a plurality of nozzles provided in the respective inkjet system 06 are selected by the printing process by the detection device 16, wherein the at least one selected nozzle ejects drops of an ink or ink.
  • To set the printing time based on the at least one in the current printing process detected by the detection device 16 mark 14 z. B. selected in a nozzle bar 213 along the transport path T of the substrate 07 in a plurality of rows arranged nozzles at least one of these nozzles.
  • the variable information is preferably added to a print image 09 arranged on the printing substrate 07 in the form of a coding, wherein the coding distinguishes the relevant print image 09 from other printed images 09 power.
  • Web press currently, d. H. for printing on the target surface 08 changing or at least changeable information in the current printing process is to be set relative to the position of the target surface 08 which is intended for the printing of the information changing or at least variable in the current printing process.
  • the printing material 07 formed as a material web passes through at a
  • FIG. 5 shows a front view of that exemplified in FIG. 4
  • the turning plant 17 are downstream of the maximum number of partial webs corresponding number of deflectors, z. B. arranged downstream of at least one designed as a Bay window device 22 deflecting device.
  • the respective bay window device 22 has at least one guide roller whose axis of rotation parallel to the transport path T of the printing material 07 through the
  • the Bay window device 22 is z. B. arranged on an outer side of a turning bars supporting frame 28 or side frame 28.
  • the respective bay window device 22 in each case two deflection rollers, which in a direction perpendicular to the transport path T of
  • Printing material 07 viewed from the printing machine are spaced from each other. These guide rollers are arranged in a vertical direction at a height such that they at least overlap in a horizontal plane, ie they are arranged substantially at a same height.
  • 6 shows the bay window device 22 by way of example in a perspective view. Further details of a Bay Window device 22 are z. B. the document DE 10 2007 047 844 A1.
  • that printing unit 04 which prints the changing or at least changeable information on the substrate 07, ie in particular the inkjet system concerned 06, z. B. on a traverse 27 on a to the printing press or to their further processing stages belonging Bay Window device 22 is arranged, as shown by way of example in FIG. 7.
  • the relevant z. B. trained as inkjet system 06 printing unit 04 is preferably formed height adjustable on the Bay window device 22.
  • the inkjet system 06 in question can be adjusted in height over several levels of the turning unit 17 in particular.
  • a pair of vertically opposed guide rails 23 and a first drive 24 is provided, said first drive 24 z. B. is designed as a hand crank or as a remotely operable actuator.
  • preferably another z is also z. B. as a hand crank or as a remotely operable actuator trained second drive 26, by means of which the respective inkjet system 06 transversely to the transport path T of the substrate 07 z. B.
  • FIG. 3 shows a side view of the inkjet system 06 arranged on the bay window device 22.
  • the exemplary embodiment illustrated in FIG. 3 is corresponding to the arrangement of the relevant inkjet system 06 on the bay window device 22 FIGS. 7 to 9 combined or at least combinable.
  • the position of the inkjet system 06 concerned is then set or at least adjustable on the bay window device 22 by activation of the second drive 26, which is preferably designed as a remotely operable actuator.
  • the second drive 26 is z. B. to the remote-controlled or at least remotely actuable actuating device 13.
  • a further advantageous variant of the invention combines the exemplary embodiment illustrated in FIG. 1 with the arrangement of the particular printing unit 04 designed in particular as an inkjet system 06 at the bay window device 22.
  • the inkjet system 06 in question is connected to the bay window Device 22 arranged stationary, z. B. in the area of the center M of the width B07 of the guided through the Bay window device 22 substrate 07.
  • the Bay Window device 22 upstream in the transport direction of the substrate 07 is then formed as a web of substrate 07 in its position across provided for its intended transport path T adjusting positioning device 12, said positioning device 12 z. B. as a web guide and / or as an arrangement of arranged in the transport path T of the printing material 07 turning bars and / or as a
  • Substrate spreading device is formed.
  • This positioning device 12 is - as already described - z. B. from the control unit 1 1 in response to an indication of the position of the target surface 08, which is provided on the substrate 07 for the changing or at least changeable information, controlled or at least controllable.
  • a further advantageous arrangement provides that the relevant inkjet system 06 directly on the former 19, d. H. at a small distance from z. B. less than 2 m, or is located immediately above the former 19, this inkjet system
  • Bescheres 07 adjusted or at least adjustable, so that the former 19 performs the function of the positioning device 12.
  • the former 19 is arranged stationary, the inkjet system 06 concerned in the manner explained in connection with FIG. 3 by the adjusting device 13 z. B. based on at least one detected in the current production process by a detection device 16, arranged on the substrate 07 mark 14 transverse to the transport path T of
  • Printing material 07 adjusted or at least adjustable.
  • the z. B. as inkjet system 06 trained printing unit 04 is arranged in conjunction with a strand subassembly 29, that is, in one of the branches of the strand subassembly 29, as shown by way of example in FIG. 1 1 in a schematic diagram.
  • the strand subassembly 29 is in
  • An existing of several sub-webs, produced in a same printing process strand of the printing material 07 is singled along its transport path T into several sub-strands or even into individual sub-webs, wherein at least some of these different sub-strands or sub-webs in their respective branch of the strand subassembly 29 each have a different
  • Fig. 1 1 are in two different sub-strands by way of example a stapler 31 and a
  • Perforating device 32 shown.
  • Perforating device 32 may also be arranged on a bay window device 22 if the respective sub-branch or the respective at least one sub-web is guided via a bay window device 22 in the corresponding branch of the strand subassembly 29.
  • This printing unit 04, z. B. the inkjet system 06 in question can be arranged stationarily or at least transversely to the respective transport path T variably positionable.
  • the relevant printing unit 04, z. B. inkjet system 06 stationary is arranged, the substrate 07 by means of a branch in the respective branch
  • the arranged positioning device 12 in the manner explained in connection with FIG. B. by a control command of the control unit 1 1 transversely to the transport path T of the printing substrate 07 adjusted or at least adjustable.
  • the relevant printing unit 04, z. B. inkjet system 06 is arranged variable position, the inkjet system 06 in question in the manner explained in connection with FIG. 3 by the adjusting device 13 by means of at least one detected in the current production process of a detection device 16 mark 14 transversely to the transport path T of the printing substrate 07 or at least adjustable.
  • an inkjet system 06 is arranged in several branches of the strand subassembly 29, each of which prints in the current printing process changing or at least changeable information on the respective target surface 08 on the substrate (07). In this case, they are in different branches of the strand subassembly 29
  • printing units 04, z. B. inkjet systems 06 z. B. operated such that they each print different respectively in the current printing process changing or at least changeable information in each case to their respective assigned on the substrate 07 provided target area 08.
  • the information changing in the current printing process or at least changeable information and / or the indication of the position of the intended target for this information 08 on the substrate 07 preferably by the control unit 1 1 in particular a production planning system and / or the control unit 1 1 a control station controlling the printing press 01 is provided on the respective inkjet system 06.
  • the respective installation locations relevant arrangements of the respective inkjet system 06 which prints the changing in the current printing process or at least changeable information on the provided on the substrate 07 target area 08, so are either with a fixed or with a variable location arrangement of the relevant Inkjet system 06 combined, then depending on the choice made either the inkjet system 06 relative to the on the Printing material 07 provided target surface 08 is positioned or this target surface 08 to the respective inkjet system 06th
  • a printing machine 01 with preferably a plurality of jointly printing substrate 07 printing units 02; 03; 04, wherein at least one of these printing units 04 a changing in a running printing process or at least changeable information on a specific on the substrate 07 intended target area 08 prints, wherein in the transport direction of the printing material 07 with respect to the transport path T in a short distance of a few Meters, z. B. of less than 3 m, in front of the relevant printing unit 04, which prints the changing or at least changeable information on the substrate 07, a
  • Printing material 07 is provided in its position transversely to its intended transport path T adjusting positioning device 12, wherein a position of the
  • concerned target area 08 which is provided for the printing of changing in the current printing process or at least changeable information on the substrate 07 in the current printing process by means of a
  • Positioning device 12 made or at least vorlangbare positioning of the printing material 07 relative to the relevant the changing or at least variable information printing printing unit 04 is set or at least adjustable, wherein the printing material 07 in its position adjusting positioning device 12 of a control unit 1 1 in response to a Information on the position of the target surface 08, which is provided on the substrate 07 for the changing or at least changeable information, controlled or at least controllable, this information for the respective changing or at least changeable, to be printed on the substrate 07 information in one cooperating with the control unit 1 1
  • Database is stored and provided by this database.
  • the printing machines 01 can be provided that the printing units 02; 03, which are not used in the current Print process changing or at least changeable information on the intended on the substrate 07 target surface 08 to print, ie a different from the printing unit 04 printing unit 02; 03, each print the substrate 07 in a digital printing process, ie, perform the printing process without a fixed printing form.
  • a printing machine 01 embodied as a digital printing machine will be described in more detail below with reference to FIGS. 12 to 14.
  • the printing press 01 embodied as a digital printing machine has at least one printing material source 100, at least one first printing unit 200, preferably at least one first dryer 301, preferably at least one second printing unit 400 and preferably at least one second dryer 331 and preferably at least one
  • This printing machine 01 is also preferably designed as an inkjet printing machine 01.
  • the digital printing machine is preferably designed as a web-fed printing press, more preferably as a roll-type inkjet printing press.
  • This printing machine 01 is for example as
  • Rotary printing machine formed, for example, as a rotary web printing machine, in particular roller-rotary inkjet printing machine.
  • the printing material source 100 is designed as a roll-off device 100.
  • the printing material source 100 is designed as a sheet feeder.
  • the printing substrate 100 is preferably at least one substrate 07 aligned, preferably at least with respect to an edge of this substrate 07.
  • a web printing machine is at least one web-shaped substrate 07, ie a Substrate web, for example, a paper web or a textile web or a film, such as a plastic film or a metal foil of a printing material roll 101 unwound and preferably aligned with respect to their edges in an axial direction A.
  • the axial direction A is preferably a direction parallel to one
  • Central cylinder 201; 401 extends.
  • Substrate 07 and in particular the printing material web run following the at least one printing material source 100 preferably by the at least one first
  • Printing unit 200 where the printing substrate 07 and in particular the printing material preferably by at least one ink at least one side and preferably in conjunction with the at least one second printing unit 400 preferably on two sides with a printed image 09 is provided.
  • the transport path T of the printing material 07 and in particular of the printing material web preferably passes through the at least one first dryer 301 in order to dry the applied printing ink.
  • ink is in the foregoing and hereinafter generally a
  • the at least one first dryer 301 is part of a dryer unit 300.
  • the printing substrate 07 and in particular the printing material web is preferably at least a post-processing device 500 is supplied and further processed there.
  • the at least one post-processing device 500 is for example at least one
  • the printing material 07 which is preferably printed on two sides, is preferably further processed into individual printed products.
  • Printing unit 200 preferably at least the first dryer 301 and / or after the at least one first dryer 301 preferably at least the second printing unit 400 and / or after the at least one second printing unit 400, preferably the at least one second dryer 331 and / or after the at least one second dryer 331 preferably arranged the at least one post-processing device 500. This ensures that a double-sided printing of the printing substrate 02 and in particular of the printing material web is made possible in high quality.
  • Bescherstoffrollen 101 which are preferably used in the Rollenabspulvorraum 100 used, preferably each have a sleeve on which the web-shaped substrate 07 is wound for use in the web printing press.
  • the printing material web preferably has a width of 700 mm to 2000 mm, but may also have an arbitrarily smaller or preferably larger width.
  • the Rollenabspulvorraum 100 at least one substrate roll 101 is rotatably arranged. In a preferred
  • Embodiment is the Rollenabspulvorraum 100 for receiving a
  • Beyakstoffrolle 101 suitably formed, thus has only one storage position for a Betikstoffrolle 101.
  • the Beyakstoffrolle 101 suitably formed, thus has only one storage position for a Betikstoffrolle 101.
  • Rollenabspulvoride 100 designed as a reel changer 100 and has
  • the roll changer 100 is designed such that it enables a flying roll change, ie, a first substrate web of a currently processed Beyakstoffrolle 101 with a second substrate web to be subsequently processed Betikstoffrolle 101, while both the currently processed
  • a working width of the printing press 01 is a dimension which preferably extends orthogonally to the intended transport path T of the printing material 07 through the at least one first printing unit 200, more preferably in the axial direction A.
  • the working width of the printing press 01 preferably corresponds to a maximum width may have a substrate 07 in order to be processed with the printing press 01, so a maximum processable with the printing machine 01 substrate width.
  • the roll-off device 100 preferably has at least one roll holding device 103 per storage position, which is designed, for example, as a clamping device 103 and / or as a clamping device 103.
  • the at least one roll holding device 103 per storage position, which is designed, for example, as a clamping device 103 and / or as a clamping device 103.
  • Roller holding device 103 at least a first motor-driven rotary body 103.
  • the at least one roller holding device 103 is used for a rotatable mounting of at least one Bedruckstoffrolle 101.
  • the at least one roller holding device 103 preferably has at least one drive motor 104.
  • the Rollenabspulvorettivorides 100 along the transport path T of the printing material after the roll holding device 103 a preferably on a
  • Dancer lever 121 deflectable arranged dancer roller 1 13 and / or a first Brukantenausrichter 1 14 and / or one of a draw roller 1 18 and a
  • This draw roller 1 18 preferably has its own, designed as Switzerlandantriebsmotor 146 drive motor 146, which preferably with a machine control, for. B. the control unit 1 1 is connected.
  • the tension roller 1 18 preferably represents at least a second motor-driven rotary body 1 18.
  • Rollenabspulvoretti 100 an adhesive and cutting device by means of a role change flying, d. H. without stopping the printing material can bestatten From.
  • the first web edge aligner 1 14 below, the infeed 139 is preferably arranged.
  • at least the draw roller 1 18 is preferably arranged, with which preferably the Switzerlandpresseur 1 17 together the feed nip 1 19 is arranged forming.
  • the draw-in gap 1 19 serves to regulate a web tension and / or a transport of the printing material 07.
  • the web tension can be measured by means of the at least one first measuring device 141 designed as the first measuring roller 141.
  • Measuring device 141 is preferably arranged in the transport direction of the printing material before the feed nip 1 19.
  • a first printing unit 200 is the Rollenabspulvortechnisch 100 with respect to
  • the first printing unit 200 has at least one first pressure center cylinder 201 or, shortly, central cylinder 201. If in the following of a central cylinder 201 is mentioned, it is always a
  • the at least one first central cylinder 201 preferably represents at least one third motor-driven rotary body 201.
  • the printing material web wraps around the first central cylinder 201 at least partially during the printing operation.
  • a wrap angle is preferably at least 180 ° and more preferably at least 270 °.
  • the wrap angle is the angle measured in the circumferential direction of a cylinder jacket surface of the first central cylinder 201, along which the printing material 07 and in particular the printing material web with the first
  • Central cylinder 201 is in contact. Accordingly, in printing operation in
  • At least 50%, and more preferably at least 75%, of the circumferential surface of the cylinder of the first central cylinder 201 is in contact with the printing material web.
  • At least one second measuring device 216 which is preferably designed as a second measuring roller 216, for measuring the web tension is preferably arranged.
  • at least one second measuring device 216 which is preferably designed as a second measuring roller 216, for measuring the web tension is preferably arranged.
  • Central cylinder 201 of the first printing unit 200 is preferably at least a first substrate preparation device 202 or web preparation device 202 acting on the substrate web and / or arranged aligned on the intended transport path T of the printing substrate.
  • Substrate preparation device 202 is assigned to at least one first side and preferably to both sides of the printing material web and in particular to at least this first side of the printing material web and preferably aligned on both sides of the printing substrate and / or effective.
  • the at least one first substrate preparation device 202 is arranged in a preferred embodiment along the transport path T of the printing material after the nip 1 19 and before the first central cylinder 201 acting on the substrate web and / or aligned with the transport path T of the printing substrate.
  • the at least one first substrate preparation device 202 is at least one substrate cleaning device 202 or
  • Web cleaning device 202 is formed.
  • the at least a substrate preparation device 202 as at least one
  • Coating agents Such a coating serves, for example, a primer.
  • the at least one coating serves, for example, a primer.
  • the at least one coating serves, for example, a primer.
  • Substrate preparation device 202 as at least one corona device 202 and / or discharge device 202 for corona treatment of the printing substrate 07 is formed.
  • a roller 203 formed as a first deflecting roller 203 is the first one
  • This first guide roller 203 is preferably of the first
  • Zentraizylinder 201 arranged spaced.
  • a first intermediate space 204 between the first deflecting roller 203 and the first centric cylinder 201 which is larger than a thickness of the printing material web.
  • Substrate web is to understand a smallest dimension of the printing substrate.
  • the printing material web preferably wraps around a part of the first deflecting roller 203 and is deflected by the latter in such a way that the transport path T of the printing material web in the first intermediate space 204 is both tangential to the first deflecting roller 203 and tangential to the first Zentraizylinder 201.
  • a lateral surface of the deflection roller 203 preferably consists of a comparatively inelastic material, more preferably a metal, even more preferably steel or aluminum.
  • At least one first cylinder 206 designed as the first impression roller 206 is arranged in the first pressure unit 200.
  • the first impression roller 206 preferably has a lateral surface which consists of an elastic material, for example an elastomer.
  • the first impression roller 206 is preferably adjustable by means of a Anstellantriebs to the first Zentraizylinder 201 and / or disposed thereof ab plausible.
  • the first impression roller 206 In a state applied to the first center cylinder 201, the first impression roller 206 preferably forms a first impression gap 209 together with the first center cylinder 201.
  • the printing material web preferably passes through the first impression gap 209 in printing operation.
  • the printing material web is preferably applied flatly and more preferably in a clear and known position to the first central cylinder 201.
  • the first impression roller 206 and / or optionally further impression rollers apart from at most the first impression roller 206 and / or optionally further impression rollers no further rotation body, in particular no further roller and no further cylinder with the at least one first central cylinder 201 in contact.
  • the axis of rotation of the first impression roller 206 is arranged below the rotation axis 207 of the first central cylinder 201.
  • the first central cylinder 201 preferably has its own, the first central cylinder 201 associated with the first drive motor 208, which is preferably designed as an electric motor 208 and is further preferably formed as a direct drive 208 and / or individual drive 208 of the first central cylinder 201.
  • a direct drive 208 is to be understood as meaning a drive motor 208 which is in torque transmitting and / or transferable connection with the at least one first central cylinder 201 without the interposition of further rotational bodies in contact with the printing substrate 07.
  • a single drive 208 is to be understood as a drive motor 208, which is designed as the drive motor 208 exclusively of the at least one first central cylinder 201.
  • the first drive motor 208 of the first central cylinder 201 preferably has at least one permanent magnet, which is more preferably part of a rotor of the first drive motor 208 of the first central cylinder 201.
  • a first rotation angle sensor is preferably arranged, which has a rotational angle position of the first drive motor 208 and / or the first
  • Central cylinder 201 itself measuring and / or measuring and sending to a higher-level machine control and / or is designed to transmit. The first
  • Rotation angle sensor is, for example, as a rotary encoder or absolute encoder educated. With such a rotation angle sensor is a rotational position of the first drive motor 208 and / or preferably a rotational position of the first Zentraizylinders 201 preferably by means of the higher-level machine control, z. B. the control unit 1 1, absolutely determinable.
  • the first drive motor 208 of the first Zentraizylinders 201 such circuit technology connected to the machine control that the machine control due to predetermined by the machine control to the first drive motor 208 of the first Zentraizylinders 201 target data to a rotational position of the first drive motor 208 at any time on the Rotary position of the first drive motor 208 and thus at the same time the rotational position of the first Zentraizylinders 201 is informed.
  • a region of the machine control which prescribes the rotational angle position or rotational position of the first central cylinder 201 and / or of the first drive motor 201 is preferably connected directly to a region of the machine control system which controls at least one print head 212 of the first printing unit 200, in particular without an interposed sensor.
  • At least one first printing unit 21 1 is located within the first printing unit 200.
  • at least one first printing unit 21 1 is located within the first printing unit 200.
  • the at least one first printing unit 21 1 is preferably in the direction of rotation of the first Zentraizylinders 201 and thus along the transport path T of
  • Substrate web after the first impression roller 206 preferably arranged on the at least one first central cylinder 201 acting and / or operative and / or aligned and / or arranged alignable.
  • the at least one first printing unit 21 1 is formed as a first ink jet printing unit 21 1 and is also called first inkjet printing unit 21 1.
  • the first printing unit 21 1 preferably has at least one nozzle bar 213 and preferably a plurality of nozzle bars 213.
  • the at least one first printing unit 21 1 and thus the at least one first printing unit 200 preferably has the at least one first printhead 212, which is designed as an inkjet printhead 212.
  • the at least one nozzle bar 213 in each case has at least one print head 212 and preferably in each case a plurality of print heads 212.
  • Each printhead 212 preferably has a plurality of nozzles from which ink drops are ejected be and / or expelled.
  • a nozzle bar 213 is a component which preferably extends over at least 80% and more preferably at least 100% of the working width of the printing machine 01 and serves as a carrier of the at least one print head 212.
  • An axial length of the bale of the at least one first is preferred
  • Central cylinder 201 at least as large as the working width of the printing press 01st
  • a single or several nozzle bars 213 per printing unit 21 1 are arranged.
  • Each nozzle is preferably a clearly defined target area on the direction A of the width of the printing material web and preferably on the direction A in particular the
  • Rotary axis 207 associated with the at least one first central cylinder 201 is clearly defined at least in the printing operation.
  • a target region of a nozzle is that region of space which is in particular substantially rectilinear and which is located in one
  • This nozzle extends from this nozzle.
  • the at least one first nozzle bar 213 preferably extends orthogonally to the transport path T of the printing substrate 07 over the working width of the printing press 01.
  • the at least one nozzle bar 213 preferably has at least one row of nozzles.
  • the at least one row of nozzles viewed in the axial direction A, preferably has nozzle openings at regular intervals over the entire working width of the printing machine 01 and / or width of the bale of the at least one first central cylinder 201.
  • a single continuous print head 212 is arranged for this purpose, which extends in the axial direction A over the entire working width of the printing press 01 and / or the entire width of the bale of the at least one first central cylinder 201.
  • the at least one row of nozzles is preferably formed as at least one linear, over the entire width of the printing material in the axial direction A extending juxtaposition of individual nozzles.
  • a plurality of print heads 212 are arranged next to each other on the at least one nozzle bar 213 in the axial direction A.
  • Such individual printheads 212 are not provided with nozzles to one edge of their housing, are preferably at least two, and more preferably exactly two, rows of printheads 212a extending in the axial direction A.
  • Circumferentially arranged circumferential direction of the first central cylinder 201 preferably so that in the axial direction A successive printheads 212 preferably alternately belong to one of the at least two rows of printheads 212, preferably always alternately a first and a second of two rows of printheads 212. Two such Rows of printheads 212 form a double row of printheads 212.
  • the at least one row of nozzles is preferably not formed as a single linear array of nozzles but results as a sum of a plurality of individual, more preferably two, circumferentially staggered juxtapositions of nozzles.
  • a print head 212 has a plurality of nozzles, then all target areas of the nozzles of this print head 212 together form a work area of this print head 212.
  • target areas of nozzles of the at least one nozzle bar 213 and / or in particular of each double row of print heads 212 are located at regular and preferably periodic intervals in the axial direction A.
  • an entire working area of the at least one nozzle bar 213 preferably extends over at least 90% and more preferably 100% of the working width of the printing machine 01 and / or the entire width of the bale of the at least one first central cylinder 201 in the axial direction A. or both sides with respect to the axial direction A, a narrow region of the printing material web and / or the bale of the first
  • Central cylinder 201 may be present that does not belong to the working area of the nozzle bars 213.
  • An entire working area of the at least one nozzle bar 213 is Preferably, this is composed of at least one nozzle bar from all work areas of print heads 212 and is preferably composed of all target areas of nozzles of these print heads 212 of this at least one nozzle bar 213.
  • an entire working area of a double row of print heads 212 in the axial direction A corresponds to the working area of the at least one
  • the at least one nozzle bar 213 preferably has a plurality of rows of nozzles in the circumferential direction with respect to the at least one first central cylinder 201.
  • each print head 212 has a plurality of nozzles, which are further preferably arranged in a matrix of a plurality of rows in the axial direction A and / or a plurality of columns, preferably in the circumferential direction of the at least one first central cylinder 201, such columns preferably further obliquely to the circumferential direction are arranged extending, for example, to increase a resolution of a print image 09.
  • a plurality of rows of print heads 212 in a direction orthogonal to the axial direction A, in particular in the transport direction along the transport path T of the printing substrate 07 and / or in the circumferential direction relative to the at least one central cylinder 201, a plurality of rows of print heads 212, more preferably four double rows and even more preferably eight double rows of print heads 212 arranged one after the other. More preferably, at least in the printing operation in the circumferential direction with respect to the at least one first central cylinder 201 a plurality of rows of printheads 212, more preferably four double rows and still more preferably eight double rows of printheads 212 arranged successively aligned on the at least one first central cylinder 201.
  • the print heads 212 are preferably aligned, at least in the printing operation, such that the nozzles of each print head 212 point in the radial direction toward the cylinder jacket surface of the at least one first central cylinder 201. Deviations from radial directions within a tolerance range of preferred at most 10 ° and more preferably at most 5 ° are intended to be considered as essentially radial directions.
  • This means that the at least one print head 212 aligned with the lateral surface of the at least one first central cylinder 201 is aligned with the rotational surface 207 of the at least one first central cylinder 201 in a radial direction on the lateral surface of the at least one first central cylinder 201. In this case, this radial direction is a radial direction relative to the axis of rotation 207 of the at least one first central cylinder 201.
  • Double row of printheads 212 is preferably associated with and / or assignable to an ink of a specific color, for example one of the colors black, cyan, yellow and magenta or a lacquer, for example a clear lacquer.
  • the corresponding inkjet printing unit 21 1 is preferably formed as a four-color printing unit 21 1 and allows a one-sided four-color printing of the printing substrate. It is also possible to print fewer or more different colors with a printing unit 21 1, for example, additional spot colors.
  • correspondingly more or fewer printheads 212 and / or double rows of printheads 212 are arranged within this corresponding printing unit 21 1.
  • Printheads 212 successively on at least one surface at least one
  • Transmission body arranged for example at least one transfer cylinder and / or at least one transmission belt aligned.
  • the at least one print head 212 preferably operates to generate ink droplets by the drop-on-demand method, in which ink droplets are generated selectively as needed.
  • at least one piezo element is used per nozzle, which can reduce a volume filled with ink at high speed by a certain amount when a voltage is applied. This displaces ink which is ejected through a nozzle connected to the volume filled with ink and forms at least one ink droplet.
  • At least one heating element per nozzle which generates a gas bubble in a volume filled with ink at high speed by evaporation of printing ink.
  • the additional volume of the gas bubble displaces ink, which in turn is ejected through the corresponding nozzle and forms at least one ink droplet.
  • a drop deflection after ejection from the corresponding nozzle is not necessary since it is possible to set a target position of the respective ink droplet on the moving substrate web with respect to the circumferential direction of the at least one first central cylinder 201 solely by an emission timing of the respective one Ink drop and a rotation speed of the first
  • Central cylinder 201 and / or determined by the rotational position of the first central cylinder 201.
  • each nozzle ink drops are transferred from the at least one print head 212 to the substrate web only at selected times and at selected locations. This is done as a function of the rotational speed and / or the rotational angle position of the at least one first central cylinder 201, a distance between the respective nozzle and the
  • the control unit 1 predetermined rotational position of the first drive motor 208.
  • the predetermined by the machine control to the first drive motor 208 target data of the rotational position of the first drive motor 208 are preferably in real time in a calculation of Data for controlling the nozzles of at least one printhead 212 included.
  • a comparison with actual data of the rotational position of the first drive motor 208 is preferably not necessary and preferably does not take place.
  • An exact and constant position or position of the printing material web relative to the at least one first central cylinder 201 is therefore of great importance for a passport-compatible and / or register-compatible printed image 09.
  • the nozzles of the at least one print head 212 are arranged such that a distance between the nozzles and the printing material web arranged on the cylinder jacket surface of the at least one first cylinder Zentraizylinders 201 preferably between 0.5 mm and 5 mm and more preferably between 1 mm and 1, 5 mm is.
  • Angular resolution and / or the high sampling frequency of the rotation angle sensor and / or the high accuracy of the predetermined by the machine control and processed by the first drive motor 208 of the first Zentraizylinders 201 target data to the rotational position of the first drive motor 208 of the first Zentraizylinders 201 allows a very accurate orientation and / or knowledge of the position or position of the printing material web 02 relative to the nozzles and their target areas.
  • a drop flight time between the nozzles and the printing material web 02 is known, for example, by a teaching process and / or by the known distance between the nozzles and the printing material web and a known drop speed.
  • the rotational speed of the at least one first Zentraizylinders 201 and the drop flight time is an ideal time for ejecting a respective drop determined, so that a passer-right and / or register-compliant imaging of the substrate web is achieved.
  • At least one sensor designed as a first print image sensor is arranged, more preferably at one point along the transport path T of the printing material web after the first printing unit 21 1.
  • the at least one first print image sensor is, for example designed as a first line camera or as a first area camera.
  • the at least one first print image sensor is designed, for example, as at least one CCD sensor and / or as at least one CMOS sensor.
  • Print image sensor and a corresponding evaluation, for example, the parent machine control is preferably a control of all in
  • a first print image sensor is arranged, the sensor field of which covers the entire width of the transport path T of the printing material web 07.
  • a first print image sensor is arranged, which is designed to be movable in the direction A orthogonal to the direction of the transport path T of the printing substrate.
  • a plurality of print image sensors are arranged, whose respective sensor fields each comprise different regions of the image sensor
  • Transport path T include the substrate web. Preferably, these areas are arranged offset in the direction A orthogonal to the direction of the transport path T of the printing substrate to each other. Preferably, an entirety of the sensor fields of the plurality of print image sensors comprises a total width of the transport path T of
  • a location of pixels formed by ink droplets originating from a respective first printhead 212 is preferably compared to a location of pixels formed by ink droplets emerging from respective second, circumferential, directions At least a first central cylinder 201 according to the respective first printhead 212 lying printhead 212 originate. This is preferably done regardless of whether these are respectively first and second, in
  • Circumferential direction of the at least one first central cylinder 201 successive and / or acting print heads 212 a same or different Process printing ink. It is monitored a vote of the layers of originating from different printheads 212 print images 09. For the same inks, register-based joining of partial images is monitored. For different inks, a register or color register is monitored. A quality control of the print image 09 is preferably also carried out with the measured values of the at least one print image sensor.
  • all printheads 212 are stationary. This ensures a permanent passport-oriented and / or register-oriented alignment of all nozzles. Different situations are conceivable in which a movement of the print heads 212 is necessary. A first such situation makes a flying
  • Reel change or generally a roll change with bonding process In this case, a substrate web is connected by means of an adhesive strip with another substrate web. This results in a connection point, which must pass through the entire transport path T of the printing substrate.
  • This joint has a thickness, ie a smallest dimension, which is greater than a thickness of the printing material web. In essence, the joint is as thick as two substrates and the adhesive strip together. As a result, difficulties may arise when the joint passes through the gap between the nozzles of the print heads 212 and the cylinder jacket surface of the at least one first central cylinder 201.
  • the at least one nozzle bar 213 is therefore movable in at least one direction relative to the axis of rotation 207 of the at least one first central cylinder 201.
  • the print heads 212 are preferably fastened individually to the at least one nozzle bar 213 and individually detachable from the at least one nozzle bar 213. This allows individual printheads 212 to be maintained and / or cleaned and / or replaced. If a plurality of nozzle bars 213 which are movable relative to one another are arranged, then at least one nozzle bar 213 can be brought to a minimum in a pressure position when the nozzle bar 213 is returned
  • At least one sensor detects a position of the target area of at least one new and / or re-arranged printhead 212 relative to a position of the target area of at least one printhead 212 already attached.
  • An installation position of the at least one newly and / or re-arranged printhead 212 in the circumferential direction relative to the at least one a first central cylinder 201 can be over the
  • Control of the nozzles of this printhead 212 compensate, preferably analogous to the already described adaptation of printheads 212 different double rows of printheads 212.
  • several print heads 212 each have their own adjustment mechanism, more preferably, all print heads 212 each have their own adjustment mechanism.
  • the printing press 01 has at least one supply system for coating means, in particular ink supply system.
  • several print heads 212 for example, a plurality of printheads 212 of a common nozzle bar 213, in particular several or more preferably all printheads 212 each one
  • Double row of printheads 212 a common supply system for
  • This common supply system preferably has at least one normal supply. At least one first liquid line or color line per print head 212 is connected to the at least one normal supply. The at least one normal supply is preferably connected via at least one supply line and at least one discharge to at least one and preferably at least one identical intermediate store.
  • the normal supply preferably has at least one printing operation and more preferably a continuous level of deviations lying within a narrow tolerance range. This constant level can be achieved, for example, by means of a preferably passive overflow drain and an influx of printing ink.
  • the normal supply and / or the at least one discharge at least one preferably passive overflow drain, the outflow side is preferably connected to the at least one intermediate memory and / or arranged connectable.
  • At least one preferably designed as a check valve valve is disposed within the at least one supply line and / or within the at least one derivative. At least one first is preferred in the at least one feed line
  • a controlled and / or regulated normal pressure prevails in the normal supply, which is further preferably controlled and / or regulated relative to an ambient pressure.
  • a negative pressure relative to the ambient pressure in the normal supply.
  • ink is pumped from the buffer into the normal supply by at least one pump.
  • at least one volume provided as the first gas space is arranged in the at least one normal reserve.
  • the at least one first gas space is preferably via at least one first gas line with at least connected to a first gas pump.
  • the at least one buffer is connected to at least one buffer memory, more preferably via at least one suction line.
  • Preferably prevails in the buffer memory ambient pressure. Printing ink is preferred by the relative negative pressure from the buffer memory in the
  • a plurality of print heads 212 for example a plurality of print heads 212 of a common nozzle bar 213, in particular a plurality or more preferably all print heads 212 each of a double row of print heads 212, have a common power supply system.
  • at least one common power line of the power supply extends within the respective at least one nozzle bar over at least 50%, more preferably at least 75% and even more preferably at least 90% of a working area of the respective at least one nozzle bar 213 in the axial direction A and / or the working width of the printing machine 01.
  • Each printhead 212 of this respective at least one nozzle bar 213 preferably has at least one separate voltage line which is connected to this common power line of the voltage supply.
  • Each printhead 212 of each respective at least one nozzle bar 213 preferably has at least one own data line which is connected to a computing unit which is outside the working area of the respective at least one nozzle bar 213 with respect to the axial direction A and / or outside each with respect to the axial direction A.
  • substrate 07 provided transport path T of the printing press 01 is arranged. Thus, at least along a run in the axial direction A.
  • Printhead 212 of this at least one nozzle bar 213 parallel to each other.
  • At least one nozzle cleaning device is arranged, the at least one Series of washing nozzles and / or brushes and / or pullers has.
  • the printing material web is transported further along its transport path T and preferably to the at least one first dryer 301 of the at least one dryer unit
  • the first side of the printing material web printed by the at least one first printing unit 200 is located between a last contact point of the printing material web with the at least one first central cylinder 201 of the at least one first printing unit 200 and an area of action of the at least one first dryer 301 with no component of the web printing press Contact.
  • the second, in particular of the first printing unit 200 is not printed, the at least one first central cylinder 201 of the at least one first printing unit 200 contacting side of the printing substrate between the last contact point of
  • At least one third measuring device 214 which is also preferably designed as a third measuring roller 214, is preferably arranged. This third measuring device 214 is used to measure the web tension. More preferably, the at least one
  • the at least one first dryer 301 is preferably as an infrared radiation dryer
  • the at least one first dryer 301 preferably has at least one radiation source 302, which is preferably designed as an infrared radiation source 302.
  • a radiation source 302, preferably infrared radiation source 302, is a
  • the at least one radiation source 302 preferably has a defined area of action.
  • the at least one radiation source 302 preferably has a defined area of action.
  • the area of action of the at least one first dryer 301 is composed of the areas of action of all the radiation sources 302 of the at least one first dryer 301.
  • the area of action of the at least one first dryer 301 preferably points from the at least one radiation source 302 to a part of the transport path T of the printing material web closest to the at least one radiation source 302.
  • Air is introduced into the interior of the at least one first dryer 301 through at least one ventilation opening.
  • water to be removed and / or solvent of the printing inks is removed by the infrared radiation from the printing material web and taken up by the introduced air. This air is then passed through at least one
  • the intended transport path T for the printing substrate 07 through the at least one first dryer 301 at least two
  • Pieces each extending in directions with vertical components, more preferably with larger vertical than possibly horizontal
  • the intended transport path T of the printing substrate 07 extends along one section at least with a component in the vertical direction upwards.
  • the intended transport path T of the printing substrate 07 runs along the other portion at least with a component in the vertical direction downwards.
  • the one portion and the other portion of the proposed transport path T by at least one provided connector of the
  • the at least one connecting piece extends in a direction with a horizontal component, more preferably with a larger horizontal than possibly existing vertical Component.
  • the at least one dryer 301 can preferably be made particularly compact.
  • At least one first cooling device 303 is preferably arranged in the transport direction of the printing material web after the action region of the at least one radiation source 302 of the at least one first dryer 301.
  • the at least one first cooling device 303 preferably has at least one first cooling roller 304 and preferably a first, at least a first cooling roller 304 engageable and / or salaried
  • Thedewalzenpresseur 306 are preferably part of a web tension control, so the web tension arranged regulating and preferably for this purpose at least partially and / or temporarily with the higher-level machine control, z. B. the control unit 1 1 connected.
  • the at least one first cooling roller 304 preferably represents at least a fourth motor-driven rotational body 304.
  • the printing material web wraps and preferably contacts along its transport path T the at least one first cooling roller 304 with a wrap angle of preferably at least 180 ° and more preferably at least 270 °.
  • the first cooling roll press 306 preferably forms with the at least one first cooling roll 304 a first cooling roll gap 309, in which the printing material web is preferably arranged and / or which preferably passes through the printing material web.
  • the printing material web is pressed by the cooling roller press 306 to the at least one first cooling roller 304.
  • the at least one first cooling roller 304 of the at least one first cooling device 303 is preferably designed as a cooling roller 304 through which a coolant flows.
  • At least one second printing unit 400 is preferably arranged along the transport path T of the printing material web after the at least one first cooling device 303.
  • at least one second printing unit 400 is preferably arranged along the transport path T of the printing material web.
  • the transport path T of the printing material web is preferably immediately before the at least one second printing unit 400 and preferably after the at least one first dryer 301 and in particular after the at least one first
  • Printing unit 200 at least a second Brukantenausrichter arranged, which is preferably designed manually or driven controllable and / or adjustable.
  • the at least one second printing unit 400 is constructed analogously to the first printing unit 200.
  • the second printing unit 400 has a second central cylinder 401 or short central cylinder 401, which is wrapped in the printing operation of the printing material, also with a wrap angle of preferably at least 180 ° and more preferably at least 270 °.
  • the second central cylinder 401 preferably represents a fifth motor-driven rotary body 401.
  • the second central cylinder 401 of the second pressure unit 400 preferably has a rotational direction which is opposite to a direction of rotation of the at least one first central cylinder 201.
  • the transport path T of the printing substrate before the second central cylinder 401 of the second printing unit 400 is preferably a second
  • the transport path T of the printing material web through the at least one second printing unit 400 extends analogously to the transport path T through the at least one first printing unit 200.
  • the printing material web preferably wraps around a part of a second deflecting roller 403 and is deflected by the latter in such a way that the transport path T of the printing substrate web in the second intermediate space 404 both tangential to the second guide roller 403 and tangent to the second central cylinder 401 extends.
  • At least one cylinder 406 designed as a second impression roller 406 is arranged in the second printing unit 400.
  • the second impression roller 406 is preferably constructed and arranged analogously to the first impression roller 206, in particular with regard to its mobility and a second impression gap 409.
  • the second central cylinder 401 is preferably arranged and constructed analogously to the first central cylinder 201. in particular with respect to a second drive motor 408 of the second central cylinder 401 and a corresponding, preferably arranged second rotation angle sensor, which has a rotational angle position of the second drive motor 408 and / or of the second
  • Central cylinder 401 itself measuring and / or measuring and sending to the higher-level machine control and / or is designed to transmit.
  • Within the second printing unit 400 is preferably at least a second, as
  • Ink jet printing unit 41 1 or inkjet printing unit 41 1 trained printing unit 41 1 arranged in the direction of rotation of the second central cylinder 401 and thus aligned along the transport path T of the printing material after the second impression roller 406 on the second central cylinder 401.
  • the at least one second printing unit 41 1 of the at least one second printing unit 400 is preferably identical to the at least one first printing unit 21 1 of the at least one first printing unit 200, in particular with respect to at least one nozzle bar 413, at least one print head 412 designed as an inkjet printhead 412 and its arrangement in FIG Double rows, the execution and resolution of the printing process, the arrangement, alignment and control of the nozzles and the mobility and adjustability of the at least one nozzle bar 413 and the at least one printhead 412 by means of at least one adjustment mechanism with a corresponding electric motor. Also an analogue protective cover and / or
  • a correct alignment of the printheads 412 of the at least one second printing unit 400 is preferably checked by at least one sensor detecting a printed print image 09 and the machine controller evaluating this printed image 09.
  • This at least one sensor is preferably at least one second printed image sensor which is designed analogously to the at least one first printed image sensor. This is preferably at least a second one
  • Printing unit 41 1 as four-color printing unit 41 1 is formed.
  • At least one second dryer 331 is arranged after the at least one second printing unit 400. After the Substrate web has passed at least one second printing unit 400, the printing material along its transport path T is further transported and preferably the at least one second dryer 331 of the at least one dryer unit 300, respectively.
  • the at least one second dryer 331 is preferably constructed analogously to the at least one first dryer 301.
  • the at least one first dryer 301 and the at least one second dryer 331 are components of the at least one dryer unit 300.
  • the second side of the printing material web printed by the at least one second printing unit 400 is between a last one
  • At least one deflecting roller 414 of the second printing unit 400 is preferably arranged. This at least one deflecting roller 414 is preferably designed as a fifth measuring device 414, in particular a fifth measuring roller 414.
  • the structure of the at least one second dryer 331 is similar to the structure of the at least one first dryer 301, in particular with regard to a for
  • Substrate provided transport path T and / or training as
  • the at least one second dryer 331 preferably has at least one second cooling roller 334, which more preferably has at least one sixth cooling roller 334
  • the second cooling roller 334 is driven and / or driven by means of a second cooling roller drive 341.
  • the at least one second dryer 331 is constructed essentially and more preferably completely symmetrically relative to the at least one first dryer 301 with respect to the described components.
  • the at least one second dryer 331 is preferably part of the same dryer unit 300 as the at least one first dryer 301 and is further preferably arranged in a same housing 329.
  • Regarding a spatial Arrangement is the dryer unit 300 and are thus preferably the at least one first dryer 301 and the at least one second dryer 331 preferably disposed between the at least one first printing unit 200 and the at least one second printing unit 400.
  • the at least one pull-out roller 501 preferably has its own drive motor 504 designed as a pull-out roller drive 504.
  • the at least one pull-out roller 501 preferably represents at least a seventh motor-driven rotary body 501.
  • the at least one pull-out roller 501 preferably forms, together with a pull-out press 502 set and / or adjustable against the at least one pull-out roller 501, a pull-out gap 503 in which the printing material web is clamped and through the the the
  • the pull-out gap 503 is preferably used to control a web tension and / or a transport of the printing material web.
  • Pull-out roller 501 but in particular along the transport path T of the printing material 07 after the at least one first dryer 301, is preferably at least one
  • Dryer unit 300 compensates.
  • At least one post-processing device 500 is arranged, which is preferably designed as a folding device 500 and / or a sheet cutter 500 and / or a chart display 500 or as
  • Winding 500 is formed. In this and / or through this
  • the printing material web is preferably folded and / or cut and / or stapled and / or sorted and / or enveloped and / or shipped and / or wound up.
  • Inkjet system 06 which prints the changing in the current printing process or at least changeable information on the intended on the substrate 07 target area 08, z. B. formed in conjunction with the post-processing device 500.
  • the printing press 01 is designed as a rotary-type rotary inkjet printing machine 01 and is at least one
  • Perforating device printing material source, roll-off device, reel splicer
  • Clamping device mandrel, clamping cone, clamping shaft; Rotary body, first drive motor, electric motor (103) Support arm (101)
  • Substrate preparation device web preparation device
  • Coating device corona device, discharge device
  • Substrate cleaning device web cleaning device
  • Dryer infrared radiation dryer, radiation dryer, flow dryer, UV radiation dryer, hot air dryer, first
  • Radiation source infrared radiation source
  • Central pressure cylinder central cylinder, second; Rotary body, fifth substrate cleaning device, web cleaning device,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ink Jet (AREA)

Abstract

L'invention concerne une machine d'impression (01) comprenant au moins un mécanisme d'impression (04) réalisé sous la forme d'un système à jet d'encre (06). Ledit système à jet d'encre est configuré de telle façon qu'il imprime une information qui varie ou du moins qui peut varier au cours d'un processus d'impression en continu sur une surface cible prévue sur un support d'impression. Le support d'impression (07) comporte au moins un repère (14) et un système de détection (16) permet de détecter le ou les repères présents sur le support d'impression. Le ou les repères détectés par le système de détection lors du processus d'impression en continu servent à régler, ou du moins permettent de régler une position d'impression et/ou un moment d'impression dudit système à jet d'encre par rapport à une position de la surface cible (08) destinée à recevoir l'impression de l'information qui varie ou du moins qui peut varier au cours du processus d'impression en continu. Le système de détection du ou des repères disposés sur le support d'impression fait partie d'un système de réglage de registre de coupe et/ou d'un système de réglage de registre de couleur. L'invention concerne en outre un procédé d'impression d'une information qui varie ou du moins qui peut varier au cours d'un processus d'impression en continu sur une surface cible prévue sur un support d'impression.
PCT/EP2014/057353 2013-06-17 2014-04-11 Machine d'impression équipée d'un système à jet d'encre et procédé d'impression d'une surface cible WO2014202254A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14716832.2A EP3010720B1 (fr) 2013-06-17 2014-04-11 Machine d'impression avec système à jet d'encre d'impression sur une surface cible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013211250.5A DE102013211250B4 (de) 2013-06-17 2013-06-17 Druckmaschine mit mehreren gemeinsam einen Bedruckstoff bedruckenden Druckwerken
DE102013211250.5 2013-06-17

Publications (1)

Publication Number Publication Date
WO2014202254A1 true WO2014202254A1 (fr) 2014-12-24

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Application Number Title Priority Date Filing Date
PCT/EP2014/057353 WO2014202254A1 (fr) 2013-06-17 2014-04-11 Machine d'impression équipée d'un système à jet d'encre et procédé d'impression d'une surface cible

Country Status (3)

Country Link
EP (1) EP3010720B1 (fr)
DE (1) DE102013211250B4 (fr)
WO (1) WO2014202254A1 (fr)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2016174221A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Ensemble machine à imprimer comprenant plusieurs stations de traitement pour des feuilles et procédé de fonctionnement
CN108327409A (zh) * 2018-04-23 2018-07-27 广东阿诺捷喷墨科技有限公司 一种在印刷机上正反面喷印的安装装置
CN110154516A (zh) * 2015-09-09 2019-08-23 柯尼格及包尔公开股份有限公司 用于依次加工单张纸状的基材的机器结构

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CN105150676A (zh) * 2015-09-07 2015-12-16 温州力冠机械有限公司 全自动卷筒纸印烫模切一体机

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EP1266756A2 (fr) * 2001-06-13 2002-12-18 Hurletron, Incorporated Système de repérage pour une machine à imprimer
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WO2009003559A2 (fr) * 2007-07-04 2009-01-08 Manroland Ag Procédé de détection, par métrologie, d'un matériau d'impression imprimé
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WO2012163614A1 (fr) * 2011-06-01 2012-12-06 Koenig & Bauer Aktiengesellschaft Presse et procédé de réglage d'une tension de bande

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DE102007050145A1 (de) 2007-10-19 2009-04-23 Manroland Ag Rollendruckmaschine
DE102008000563B4 (de) 2008-03-07 2011-05-05 Koenig & Bauer Aktiengesellschaft Verfahren zur Individualisierung von Seiten eines Druckproduktes
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EP0770480A2 (fr) * 1995-10-25 1997-05-02 Heidelberger Druckmaschinen Aktiengesellschaft Presse à imprimer digitale avec contrÔle de registre
DE19847666A1 (de) * 1998-10-15 2000-04-20 Eltromat Ges Fuer Ind Elektron Vorrichtung und Verfahren zur optischen Erfassung der Druckposition und/oder des Registerfehlers zwischen den einzelnen Farben beim Mehrfarbendruck in einer Druckmaschine
EP1266756A2 (fr) * 2001-06-13 2002-12-18 Hurletron, Incorporated Système de repérage pour une machine à imprimer
DE102005009406A1 (de) * 2005-03-02 2006-09-14 Man Roland Druckmaschinen Ag Verfahren zur Steuerung bzw. Regelung eines Prozesses zur Herstellung von Druckexemplaren
DE102006006676A1 (de) * 2006-02-14 2007-08-23 Koenig & Bauer Aktiengesellschaft Bogenrotationsdruckmaschine
DE102006016065A1 (de) * 2006-04-04 2007-10-11 Man Roland Druckmaschinen Ag Zusatzeinrichtung für eine nach dem Offset-Druckprinzip arbeitenden Druckmaschine
WO2009003559A2 (fr) * 2007-07-04 2009-01-08 Manroland Ag Procédé de détection, par métrologie, d'un matériau d'impression imprimé
DE102007047180A1 (de) * 2007-10-02 2009-04-09 Manroland Ag Rollendruckmaschine
DE102007054987A1 (de) * 2007-11-17 2009-05-20 Manroland Ag Rollendruckmaschine
DE102007047844A1 (de) * 2007-11-22 2009-05-28 Koenig & Bauer Aktiengesellschaft Bahnleiteinrichtung einer Druckmaschine sowie Strangführung im Überbau
WO2012163614A1 (fr) * 2011-06-01 2012-12-06 Koenig & Bauer Aktiengesellschaft Presse et procédé de réglage d'une tension de bande

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174221A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Ensemble machine à imprimer comprenant plusieurs stations de traitement pour des feuilles et procédé de fonctionnement
CN107548358A (zh) * 2015-04-30 2018-01-05 柯尼格及包尔公开股份有限公司 具有多个用于单张纸的加工站的机器结构以及用于运行的方法
US10173439B2 (en) 2015-04-30 2019-01-08 Koenig & Bauer Ag Printing press assembly having a plurality of processing stations for processing sheets and method for operating the printing press assembly
CN110154516A (zh) * 2015-09-09 2019-08-23 柯尼格及包尔公开股份有限公司 用于依次加工单张纸状的基材的机器结构
CN110154516B (zh) * 2015-09-09 2021-07-09 柯尼格及包尔公开股份有限公司 用于依次加工单张纸状的基材的机器结构
CN108327409A (zh) * 2018-04-23 2018-07-27 广东阿诺捷喷墨科技有限公司 一种在印刷机上正反面喷印的安装装置
CN108327409B (zh) * 2018-04-23 2023-10-24 广东阿诺捷喷墨科技有限公司 一种在印刷机上正反面喷印的安装装置

Also Published As

Publication number Publication date
DE102013211250A1 (de) 2014-12-18
EP3010720A1 (fr) 2016-04-27
EP3010720B1 (fr) 2018-03-07
DE102013211250B4 (de) 2019-05-02

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