DE102013211255B4 - Printing machine with several printing units printed together on one substrate - Google Patents

Abstract

Printing machine (01) with a plurality of printing units (02, 03, 04) which jointly print a printing material (07), wherein at least two of these printing units (02, 03; 04) are arranged along a transport path (T) provided for the printing material (07) in a row are arranged successively, wherein at least one of these arranged in series printing units (04) is designed as an inkjet system (06), wherein the inkjet system (06) in question is designed such that this inkjet system (06) changing in a running printing process or at least variable information on one on the substrate (07) provided target surface (08) prints, wherein the printing press (01) is associated with a former (19), characterized in that the changing in the current printing process or at least changeable information on the provided target surface (08) on the substrate (07) printing inkjet system (06) directly on the former (19) or immediately above the F Alztrichters (19) is arranged, this inkjet system (06) is operated such that the changing in the current printing process or at least changeable information on the on the substrate (07) provided target area (08) is printed while the target area in question ( 08) of this printing material (07) via the former (19) is guided, so that the substrate (07) has a firm support, while changing in the current printing process or at least changeable information on the on the substrate (07) provided target area (08) is printed, wherein the former (19) transversely to the transport path (T) of the printing material (07) is adjustable, wherein a position of the transversely to the transport path (T) of the printing material (07) adjustable folding hopper (19) by a control unit ( 11) is set, said control unit (11) changing in the current printing process or at least changeable information and / or an indication e to the location of the intended for this information target surface (08) on the substrate (07) provides, wherein the respective inkjet system (06) in the printing machine (01) is arranged stationary, wherein a position of the pressure in the current printing process changing (or at least changeable) information provided target surface (08) by positioning of the printing material (07) by means of the transversely to the transport path (T) of the printing material (07) adjustable folding hopper (19) relative to the stationary arranged inkjet system (06) is set or at least adjustable ,

Description

The invention relates to a printing machine with a plurality of printing units jointly printed on a printing material according to claim 1.

By the DE 10 2007 050 145 A1 a web-fed printing machine is known, with at least one printing unit for printing on at least one printing material web and at least one processing device for processing the at least one printing material web, control means for controlling the at least one processing device and fastening means, by means of which the at least one processing device at an arbitrary web running position between a roll changer Web-fed printing press and an output of a folding unit of the web press is arranged so that the at least one processing device can process the printing material on an upper side and / or on a lower side and / or one or both edges thereof, wherein the processing device z. B. is designed as an inkjet printing device.

By the DE 10 2007 046 772 A1 a method for producing a printed product on a web printing machine is known, being provided on several reel splicers of the web press to be printed substrate webs, the plurality of substrates for static printing the same with a print copies of the printed product immutable print image by each at least one printing form based printing unit of the web press , wherein at least one of the statically printed substrate webs in the range of at least one printing forme printing device of the web press additionally, in particular inline, is printed dynamically for static printing with a print image variable for at least some printed copies, and wherein statically printed webs and static and dynamic printed webs in the range at least a turning and mixing stage and at least one folder of the web-fed printing press in such a way to a mehrsei compressed printing product and processed, that at least one of the printed product on the inside of the same printed page the printed product is dynamically printed.

By the DE 10 2004 022 074 A1 is a roller printing machine, with a roller carrier, with successively connected printing units for printing a substrate with a static print image, with a printing units downstream folding structure, with a Falzaufbau downstream folding unit and with an imprinting unit for customizing the static printed image with particular changing text and / or image components, wherein the imprinter is integrated in the area of the folding structure in the web printing press, wherein the folding structure z. B. comprises a cutter and turning bars, wherein the imprinter is integrated between the cutter and the turning bars in the web printing press.

By the DE 10 2009 002 103 A1 is a printing press with offset printing units and impression units each known for printing a printing material web.

By the DE 10 2006 006 676 A1 For example, a sheetfed press with a printing device having one or more inkjet printheads for imprinting personalized data is known.

By the DE 10 2006 016 065 A1 is an additional device for a working according to the offset printing principle printing machine, in particular web offset newspaper printing machine, known in the form of an inkjet printing system, wherein at least one inkjet printhead mounted on a crosshead transversely to the printing direction in a working position to a paper web within the printing press, in particular is arranged in or at least close to a printing unit in order to allow additional, also variable information as well as frequently changing information during a print run anywhere in the printed matter produced by the printing press can be added.

By the DE 10 2008 000 563 A1 a method for individualization of pages of a printed product is known, the respective print image is produced on a substrate in a printing press each with a printing forme, wherein at a selectable position in the printing press on the printing image of the page to be personalized of the printed product having printing material by an imprinter an identification of this side of the printed product is applied, whereby an information content of the marking to be applied to the selected position in the printing machine is provided by a control unit of a production planning system controlling production of that printing press, the information content of said marking being variable by the control unit of the production planning system; provided information content to be provided at a certain position in the printing machine is cyclically recurring within a current production.

The invention has for its object to provide a printing machine with a plurality of jointly printing a substrate printing units, wherein an inkjet system an impression of itself in a running printing process changing or at least changeable information on a target surface provided on the substrate in the correct position executes.

The object is achieved by the features of claim 1.

The advantages that can be achieved with the invention are, in particular, that in a printing press with several printing units that jointly print a printing substrate, an inkjet system makes an impression of a change in a running printing process or at least changeable information in a correct position on a target surface provided on the printing substrate.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

• 1 eine Druckmaschine mit einem ortsfesten Inkjetsystem;
• 2 einen Bedruckstoff mit Druckbildern, Zielflächen und Marken;
• 3 eine Druckmaschine mit einem während eines laufenden Druckprozesses positionierbaren Inkjetsystem;
• 4 diverse Weiterverarbeitungsstufen einer Rollendruckmaschine mit einer Längsschneideinrichtung und einem Wendewerk;
• 5 eine Vorderansicht der in der 4 dargestellten Weiterverarbeitungsstufen;
• 6 eine perspektivische Darstellung einer Bay-Window-Einrichtung;
• 7 eine Anordnung eines Inkjetsystems auf einer Bay-Window-Einrichtung;
• 8 eine Ausschnittsvergrößerung aus der 7;
• 9 eine Seitenansicht des an der Bay-Window-Einrichtung angeordneten Inkjetsystems;
• 10 eine Anordnung des Inkjetsystems an einem Falztrichter;
• 11 eine Anordnung des Inkjetsystems in einem Zweig einer Strangteileinrichtung;
• 12 eine schematische Darstellung eines Beispiels für eine Digitaldruckmaschine;
• 13 eine schematische Darstellung einer Digitaldruckmaschine mit einer alternativen Führung der Materialbahn;
• 14 eine schematische Darstellung eines Teils einer Druckeinheit mit einer Doppelreihe von Druckköpfen.

Show it:

• 1 a printing machine with a fixed inkjet system;
• 2 a substrate with printed images, target areas and marks;
• 3 a printing machine with an inkjet system positionable during a running printing process;
• 4 various further processing steps of a web-fed printing press with a longitudinal cutting device and a turning device;
• 5 a front view of the in the 4 represented further processing stages;
• 6 a perspective view of a Bay Window device;
• 7 an arrangement of an inkjet system on a bay window device;
• 8th an excerpt from the 7 ;
• 9 a side view of the disposed on the Bay window device inkjet system;
• 10 an arrangement of the inkjet system on a former;
• 11 an arrangement of the inkjet system in a branch of a strand subassembly;
• 12 a schematic representation of an example of a digital printing machine;
• 13 a schematic representation of a digital printing machine with an alternative guidance of the material web;
• 14 a schematic representation of a portion of a printing unit with a double row of printheads.

1 shows by way of example and simplified schematic representation of a printing press 01 with several z. B. in an offset printing process or in a gravure printing printing units 02 ; 03 and at least one printing unit 04 with an inkjet system 06 , these prints 02 ; 03 ; 04 together, ie a same by the printing press 01 guided substrate 07 printing, whereby the printing material 07 z. B. is formed as a material web or as a printed sheet, in particular as a sequence of printed sheets. The printing press 01 is z. B. formed as a web printing press or as a sheet-fed press. The printing press 01 is z. B. used in newspaper printing or commercial printing. The substrate 07 exists z. B. of paper, plastic, metal or 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 units 02 ; 03 ; 04 of which one is the printing unit 04 with an inkjet system 06 is, are in the press concerned along one for the substrate 07 provided transport route T arranged one after the other in a row. The inkjet system concerned 06 is designed such that this inkjet system 06 a change in the current printing process or at least changeable information on one on the substrate 07 intended target area 08 prints. In the direction of the transport route T of the printing material 07 can use multiple inkjet systems 06 z. B. along a Traverse be arranged side by side, each in particular different in each case in the current printing process changing or at least changeable information in each case one of them each assigned to the substrate 07 intended target area 08 to press. Each of the inkjet systems 06 usually prints monochrome, ie prints only a single ink. Several in a same along the transport route T of the printing material 07 directional track arranged inkjet systems 06 print z. B. different inks, which therefore differ from each other in their respective color. The z. B. formed as a material web substrate 07 is in a running printing process at a speed of z. B. up to 15 m / s along its intended transport path T through the printing press 01 transported.

Again 2 can be removed, has to be printed in the printing press substrate 07 one across his transport route T directed width B07 on, with the respective target area 08 for the inkjet system 06 is to be executed pressure, each one transverse to that for the substrate 07 provided transport route T directed width B08 has, wherein the width B08 the respective target area 08 each smaller than half the width B07 of the printing material 07 , The respective target area 08 is z. B. in or on a printed image 09 a printed copy to be produced in the current printing process, wherein the respective printed image 09 on the substrate 07 in a z. B. rectangular box or print frame with a transverse to that for the substrate 07 provided transport route T directed width B09 is formed, this 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 the respective target area 08 in particular, each is also smaller than the width B09 of the target area concerned 08 respectively assigned print image 09 , The relevant print image 09 to which the target surface 08 is associated with the impression of a variable information is preferably from at least one of z. B. in offset printing or gravure printing printing units 02 ; 03 printed. The variable information in the relevant print job is z. As an encoding, which during the printing process a printed image 09 is added to a printed copy in order to distinguish the particular print copy from the other printed copies of the relevant print job and thereby to individualize. This variable information and / or an indication of the location of the target area intended for this information 08 on the substrate 07 be z. From one to a control unit 11 cooperating database, in particular the control unit 11 and database of a production planning system, and / or the control unit 11 one the printing press 01 controlling control station on the respective inkjet system 06 provided. The coding and thus the variable information has z. 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. Lot numbers of a game of chance will be awarded.

In one in the 1 illustrated first embodiment of the invention, the at least one of these is arranged sequentially, as an inkjet system 06 trained printing unit 04 in the printing press 01 fixed by the respective inkjet system 06 z. B. with a frame of this printing press 01 is firmly connected. Between the respective stationary arranged inkjet system 06 and one of this inkjet system 06 arranged in a row printing units 02 ; 03 is one the substrate 07 in its position across its intended transport route T adjusting positioning device 12 provided, wherein a position of the intended for the printing of changing in the current printing process or at least changeable information target area 08 by positioning the printing material 07 by means of the positioning device 12 relative to the fixedly arranged inkjet system 06 set or at least adjustable. In the specific embodiment, the positioning device 12 z. B. as a web guide and / or as an arrangement of in the transport path T of the printing material 07 arranged turner bars and / or as a Bedruckstoffspreizeinrichtung and / or as a transverse to the transport path T of the printing material 07 adjustable former 19 formed, wherein the positioning 12 z. B. in one of the printing press 01 assigned, various processing stages having machine unit is arranged. The positioning device 12 is z. B. from the control unit 11 controlled or at least controllable. Regardless of the specific design of the positioning 12 this always influences the lateral, ie transversely directed to its transport direction arrangement of the printing material 07 on his transport route T relative to a stationary machine part of the printing press 01 , here in particular to the respective stationary arranged inkjet system 06 , A printing material spreading device, ie one the printing material 07 Spreizende device usually has a longitudinal cutting device, with which the formed as a material web substrate 07 along its transport route T is cut for the production of at least two partial webs, wherein subsequently these partial webs are offset laterally by an array of turning bars, ie transversely to their respective transport direction, so that forms a gap between two adjacent partial webs by their spaced-apart arrangement. The sub-webs can be merged after their separation and optionally after their different processing in the current printing process, if necessary, again to a common strand.

In one in the 3 also shown only schematically second embodiment of the invention, the at least one as an inkjet system 06 trained printing unit 04 in contrast to the first embodiment in the printing press 01 not fixed, but the relevant inkjet system 06 is in the printing press 01 at least in the direction transverse to that for the substrate 07 provided transport route T by means of a remotely operated or at least remotely actuable adjusting device 13 can be positioned differently, in particular relative to at least one reference edge of the printing material 07 adjustable to different positions, wherein the respective reference edge of the printing substrate 07 z. B. along the for this substrate 07 provided transport route T is directed. A relevant also for the second embodiment feature that already in connection with the 1 or 2 is described in the 3 with the same reference number as in FIG 1 characterized. On the substrate 07 is at least one brand 14 present, preferably are on the substrate 07 both in the direction transverse to that for this substrate 07 provided transport route T as well as along each of several brands 14 present, this at least one mark 14 in a running printing process or production process by a detection device 16 is detected or at least detectable. The at least one brand 14 is z. B. from a printing unit 02 ; 03 that the inkjet system 06 in the direction of the substrate 07 provided transport route T is upstream, on the substrate 07 have been printed. This at least one brand 14 is z. B. a part of the upstream printing unit 02 ; 03 created print image 09 or at least this print image 09 assigned. The at least one on the substrate 07 attached brand 14 detecting detection device 16 is z. B. part of a in the printing press 01 existing cutting register control device and / or color register control device and / or one of the printed copies during running production testing, preferably optical inspection system. This detection device 16 is z. B. formed as a camera or this detection device 16 uses at least one camera, preferably a semiconductor camera. The detection device 16 is with the the inkjet system 06 in its current position adjusting actuator 13 connected by data technology. This adjusting device 13 has z. B. an electric or pneumatic drive 26 on, by means of which the inkjet system 06 at least in the direction transverse to that for the substrate 07 provided transport route T z. B. along a in or on the printing press 01 arranged traverse is movable. The current position of the at least in the direction transverse to that for the substrate 07 provided transport route T differently positionable inkjet system 06 is thus based on the at least one in the current production process of the detection device 16 registered trademark 14 set or at least adjustable by the position, that of the respective inkjet system 06 currently in the printing press, ie for printing the information that is changing or at least changeable in the current printing process on the target surface 08 is to be taken, depending on the at least one with the detection device 16 recorded position of the on the substrate 07 attached brand 14 relative to the position of the intended for the printing of changing in the current printing process or at least changeable information target area 08 is adjusted, with the situation of the mark in question 14 and the target position of the target area 08 in a fixed, ie at least during the current setting and printing process immutable relationship to each other. The current position of the inkjet system 06 is from the actuator 13 z. B. adjusted so that the relevant of the detection device 16 registered trademark 14 and the current position of the respective inkjet system 06 z. B. aligned, ie in a same track along to that for the substrate 07 provided transport route T are located.

The following are advantageous arrangements of the respective inkjet system 06 described in a web-fed printing press to that position, that of the respective inkjet system 06 in the relevant web-fed printing press, ie for printing the information that is changing or at least changeable in the current printing process on the target surface 08 is to be taken, relative to the position of the intended for the printing of changing in the current printing process or at least changeable information target area 08 adjust. Like in the 4 shown by way of example, runs through the substrate formed as a material web 07 in a web-fed printing press after its printing with printed images 09 along the transport route provided for him T z. B. in a stand-alone machine unit diverse processing stages to which z. B. at least one turning plant 17 and / or at least one longitudinal cutting device 18 and / or a former 19 and / or a folder 21 belong. In this case, the material web, which may be cut longitudinally into a plurality of partial webs, is preferably transferred via the former 19 the folder 21 fed. The material web or its partial webs was or were at the former 19 z. B. folded into a strand or z. B. by means of the turning plant 17 put on each other, this strand then the folder 21 is supplied.

In the folder 21 then a cross-cutting of the strand concerned and at least the generation of a transverse fold. In an advantageous embodiment -. As in a trained as a commercial printing press - has the folder 21 also a device for generating a third fold, z. B. a second Längsfalzes on. The 5 shows a front view of the in the 4 exemplified Further processing steps. The turning work 17 are downstream of the maximum number of partial webs corresponding number of deflectors, z. B. at least one as Bay Window device 22 arranged downstream 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 passes through the printing press. It is z. B. on an outside of a turning bars supporting frame 28 or side frame 28 arranged. In an advantageous embodiment, the respective bay window device 22 two guide rollers each, which in a direction perpendicular to the transport path T of the printing material 07 viewed by the printing machine are spaced apart. As viewed in the vertical direction, they are arranged at a height such that they at least intersect each other in a horizontal plane, ie they are arranged substantially at the same height. 6 shows the Bay Window setup 22 exemplary in a perspective view. Further details of a Bay Window facility 22 are z. The document DE 10 2007 047 844 A1 removable. In an advantageous embodiment, the relevant inkjet system 06 z. B. on a traverse 27 on a belonging to the printing press or to their processing stages bay window device 22 arranged as it is in the 7 is shown by way of example. 8th shows an enlarged detail of the 7 , The inkjet system concerned 06 is at the Bay Window facility 22 preferably designed height adjustable. The inkjet system concerned 06 is in particular over several levels of the turning plant 17 height-adjustable. For height adjustment of the respective inkjet system 06 are z. B. a pair of vertically opposed guide rails 23 as well as a first drive 24 provided, this first drive 24 z. B. is designed as a hand crank or as a remotely operable actuator. In addition, preferably another z is also z. B. as a hand crank or as a remotely operable actuator trained second drive 26 provided by means of which the respective inkjet system 06 across the transport route T of the printing material 07 z. B. starting from a center M of the printing material 07 either to each of the two sides z. B. over half its width B07 adjustable and thus positionable, which is in the 8th indicated by a double arrow. 9 shows a side view of the on the Bay Window device 22 arranged inkjet system 06 , In an advantageous variant of the invention that is in the 3 illustrated second embodiment with the arrangement of the respective inkjet system 06 at the Bay Window facility 22 according to the 7 to 9 combined or at least combinable. Based on the registered trademark 14 is then the position of the respective inkjet system 06 at the Bay Window facility 22 by driving the second drive, which is preferably designed as a remotely operable actuator 26 set in the manner described above or at least adjustable. The second drive 26 heard z. B. to the remote-controlled or at least remotely actuable adjusting device 13 ,

A further advantageous variant of the invention combines that in the 1 illustrated first embodiment with the arrangement of the respective inkjet system 06 at the Bay Window facility 22 , In this case, the inkjet system in question is 06 at the Bay Window facility 22 fixedly arranged, z. B. in the middle M the width B07 by the Bay Window facility 22 guided printing material 07 , The Bay Window facility 22 in the transport direction of the printing material 07 upstream is then a designed as a material web substrate 07 in its position across its intended transport route T adjusting positioning device 12 provided, this positioning 12 z. B. as a web guide and / or as an arrangement of in the transport path T of the printing material 07 arranged turning bars and / or is designed as a printing material spreading device. The positioning device 12 is z. B. from the control unit 11 controlled or at least controllable.

It may also be provided that at the Bay Window facility 22 together with the previously described inkjet system 06 an equally z. B. height adjustable perforating 32 is arranged. Further, in conjunction with elsewhere in the printing press 01 or in their post-processing arranged inkjet system 06 be provided that at the Bay Window facility 22 a perforating device 32 is arranged.

A further advantageous arrangement provides that the relevant inkjet system 06 directly at the former 19 or immediately above the former 19 is arranged, this inkjet system 06 is operated such that changing in the current printing process or at least changeable information on the on the substrate 07 intended target area 08 is printed while the target area in question 08 this substrate 07 over the former 19 runs or is guided, either this former 19 or the inkjet system in question 06 each transverse to the transport route T of the printing material 07 are adjustable. This arrangement has the advantage that the substrate 07 has a firm support, while changing in the current printing process or at least changeable information on the on the substrate 07 intended target area 08 is printed. 10 shows a schematic diagram of this arrangement. In the case of that particular inkjet system 06 is stationary, is the former 19 in conjunction with the 1 explained way z. B. by a control command of the control unit 11 across the transport route T of the printing material 07 adjusted or at least adjustable, so that the former 19 the function of the positioning device 12 performs. In the other case, that of the former 19 is stationary, is the inkjet system in question 06 in conjunction with the 3 explained manner by the adjusting device 13 based on at least one in the current production process of a detection device 16 recorded on the substrate 07 attached brand 14 across the transport route T of the printing material 07 adjusted or at least adjustable.

Furthermore, it can be provided that the respective inkjet system 06 in conjunction with a strand subassembly 29 is arranged, ie in one of the branches of the strand sub-device 29 as exemplified in the 11 is shown in a schematic diagram. An existing of several partial webs, produced in a same printing process strand of the printing substrate 07 becomes along its transport route T separated 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 sub-device 29 each subjected to a different processing. It can be provided that the various partial strands or partial webs subjected to different further processing are subsequently brought together again to form a common strand. The various further processing can in processing steps such. B. stapling and / or gluing and / or punching and / or perforating, wherein in the respective branches of the strand sub-device 29 corresponding means for performing said processing steps are arranged. In the 11 are exemplary in two different sub-strands a stapler 31 and a perforator 32 shown. The stapler 31 and / or the perforating device 32 can also be at a bay window facility 22 be arranged when in the corresponding branch of the strand subassembly 29 the respective sub-string or the respective at least one sub-web via a bay window device 22 are guided. In the respective at least one of these different sub-strands or partial webs leading branch of the strand sub-device 29 is z. B. an inkjet system 06 arranged to the changing in the current printing process or at least changeable information on the on the substrate 07 intended target area 08 be printed. This inkjet system 06 can be fixed or at least transversely to the respective transport route T be arranged variably positionable. In the case of that particular inkjet system 06 is stationary, is the substrate 07 by means of a positioning device arranged in the respective branch 12 in conjunction with the 1 explained way z. B. by a control command of the control unit 11 across the transport route T of the printing material 07 adjusted or at least adjustable. In the other case, that the respective inkjet system 06 is positionally variable, is the inkjet system in question 06 in conjunction with the 3 explained manner by the adjusting device 13 based on at least one in the current production process of a detection device 16 registered trademark 14 across the transport route T of the printing material 07 adjusted or at least adjustable. It can be provided that in several branches of the strand sub-device 29 one inkjet system each 06 is arranged, which in each case in the current printing process changing or at least changeable information on the respective target area 08 on the substrate ( 07 ) prints. In this case they are in different branches of the strand subassembly 29 arranged inkjet systems 06 z. B. operated so that they each different in the current printing process respectively changing or at least changeable information in each case to their respective assigned on the substrate 07 intended target area 08 to press. Also in this case, the information changing in the current printing process or at least variable information and / or the indication of the location of the intended target area for this information 08 on the substrate 07 preferably from the control unit 11 a production planning system and / or the control unit 11 one the printing press 01 controlling control station on the respective inkjet system 06 provided.

The above-described, the respective installation locations relating to the respective inkjet system 06 which changes the information which changes or at least can be changed in the current printing process to that on the printing material 07 intended target area 08 prints, so are either with a fixed or with a variable location arrangement of the inkjet system in question 06 can be combined, and then depending on the choice made either the inkjet system in question 06 relative to that on the substrate 07 intended target area 08 is positioned or this target area 08 to the respective inkjet system 06 ,

In a further embodiment of the printing press 01 can be provided that the printing units 02 ; 03 which are not used to change the information that is changing or at least changeable in the current printing process to that on the printing material 07 intended target area 08 to print, ie one from the printing unit 04 different printing unit 02 ; 03 , each in a digital printing process the substrate 07 Print, ie perform the printing process without a fixed printing form. Such as a digital printing machine trained printing machine 01 will be described below on the basis of 12 to 14 described in more detail. The above-described, the respective installation locations concerning arrangements of that printing unit 04 with the inkjet system 06 which changes the information which changes or at least can be changed in the current printing process to that on the printing material 07 intended target area 08 prints, and optionally the fixed or location variable arrangement of the inkjet system concerned 06 are also with the design of the printing press 01 as a digital printing machine combinable.

The printing machine designed as a digital printing machine 01 has at least one printing material source 100 , at least a first printing unit 200 , preferably at least a first dryer 301 , preferably at least a second printing unit 400 and preferably at least a second dryer 331 and preferably at least one post-processing device 500 on. This printing press 01 is also preferred as an inkjet printing machine 01 educated. Preferably, the digital printing machine is designed as a web-fed printing machine, more preferably as a roll-type inkjet printing machine. This printing press 01 is for example designed as a rotary printing press, for example as a rotary rotary printing press, in particular a rotary rotary inkjet printing machine. In the case of a roll-fed printing press, the printing material source is 100 as Rollenabspulvorrichtung 100 educated. In the case of a sheet-fed press or sheet-fed rotary printing press, the source of printing material 100 designed as a sheet feeder. In the substrate source 100 At least one printing material is preferred 07 aligned, preferably at least with respect to an edge of this substrate 07 , In the Rollenabspulvorrichtung 100 a web press is at least one web-shaped substrate 07 that is, a printing material web, for example a paper web or a textile web or a film, for example a plastic film or a metal foil from a printing material roll 101 unwound and preferably with respect to their edges in an axial direction A aligned. The axial direction A is preferably a direction parallel to an axis of rotation 111 a substrate roll 101 and / or at least one central cylinder 201 ; 401 extends. A transport route T of the at least one printing 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 substrate 07 and in particular the printing material web preferably by means of at least one printing ink at least on one side and preferably in connection with the at least one second printing unit 400 preferably two-sided with a printed image 09 is provided.

After passing the at least one first printing unit 200 goes through the transport route T of the substrate 07 and in particular the printing material web preferably the at least one first dryer 301 to dry the applied ink. Printing ink is to be understood in the preceding text and generally below as meaning a coating composition, in particular also a lacquer. Preferably, the at least one first dryer 301 Part of a dryer unit 300 , After passing the at least one first dryer 301 and preferably the at least one second printing unit 400 and / or the at least one second dryer 331 becomes the substrate 07 and in particular the printing material web preferably the at least one post-processing device 500 fed and further processed there. The at least one post-processing device 500 is for example as at least one folding device 500 and / or as a take-up device 500 and / or as at least one planned expense 500 educated. In the at least one folding device 500 is the preferred two-sided printed substrate 07 preferably further processed to individual printed products.

Preferred is along the transport path T of the substrate 07 and in particular the printing material web through the printing press 01 after the at least one first 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, the at least one post-processing device 500 arranged. This ensures that a double-sided printing of the substrate 02 and in particular the printing material web is made possible in high quality.

In the following, a roll printing machine will be described in more detail. However, the same details can be applied to other printing presses as well 01 , for example, sheet-fed presses, provided they do not conflict. Bedruckstoffrollen 101 , which are preferred in the Rollenabspulvorrichtung 100 come used, preferably each have a sleeve on which the web-shaped substrate 07 is wound up 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. In the Rollenabspulvorrichtung 100 is at least one substrate roll 101 rotatably arranged. In a preferred embodiment, the Rollenabspulvorrichtung 100 for receiving a substrate roll 101 designed suitable, so has only one storage position for a Bedruckstoffrolle 101 on. In another embodiment, the Rollenabspulvorrichtung 100 as a reel changer 100 formed and has storage positions for at least two Bedruckstoffrollen 101 on. The roll changer is preferred 100 designed so that it allows a flying role change, so connecting a first substrate web of a currently processed Bedruckstoffrolle 101 with a second substrate web to be subsequently processed substrate roll 101 while both the currently processed substrate roll 101 , as well as the substrate to be processed below 101 rotate.

A working width of the printing press 01 is a dimension that is preferably orthogonal to the intended transport path T of the substrate 07 by the at least one first printing unit 200 extends, more preferably in the axial direction A , The working width of the printing press 01 preferably corresponds to a maximum width, which is a substrate 07 may have to still with the printing press 01 to be processed, so a maximum with the printing press 01 processable substrate width.

The Rollenabspulvorrichtung 100 preferably has at least one roll holding device per storage position 103 on, for example, as a clamping device 103 and / or as a clamping device 103 is trained. Preferably, the at least one roller holding device 103 at least a first motor-driven rotary body 103 The at least one roll holding device 103 serves a rotatable attachment of at least one Bedruckstoffrolle 101 , The at least one roll holding device 103 preferably has at least one drive motor 104 on.

Preferably, the Rollenabspulvorrichtung 100 along the transport route T the printing material after the roll holding device 103 one preferably on a dancer lever 121 deflectable arranged dancer roller 113 and / or a first web edge director 114 and / or a, one of a draw roller 118 and a train press 117 formed intake nip 119 and one as the first measuring roller 141 , in particular feed measuring roller 141 trained first measuring device 141 comprising infeed mechanism 139 on. This draw roller 118 preferably has its own, as Zugantriebsmotor 146 trained drive motor 146 on, which preferably with a machine control, z. B. the control unit 11 connected is. The draw roller 118 preferably provides at least a second motor-driven rotary body 118 by means of the dancer roller 113 is a web tension adjustable and durable within limits and / or the web tension is preferably kept within limits. Optionally, the Rollenabspulvorrichtung 100 an adhesive and cutting device, by means of a role change flying, ie vonstattengehen can bestattengehen without stopping the printing material web.

The first track edge organizer 114 Below is preferred the intake 139 arranged. As part of the intake system 139 is preferably at least the tension roller 118 arranged, preferably with the Zugpresseur 117 together the intake nip 119 is arranged. The intake nip 119 serves to regulate a web tension and / or a transport of the printing material 07 , By means of the at least one is preferred as the first measuring roller 141 trained first measuring device 141 the web tension measurable. The at least one as the first measuring roller 141 trained first measuring device 141 is preferred in the transport direction of the printing material before the intake nip 119 arranged.

A first printing unit 200 is the Rollenabspulvorrichtung 100 with respect to the transport path of the printing material 07 downstream. The first printing unit 200 has at least a first central pressure cylinder 201 or shortly central cylinder 201 on. If below from a central cylinder 201 the speech is, so is always a pressure cylinder 201 meant. The at least one first central cylinder 201 preferably provides at least a third motor-driven rotary body 201 The printing material web wraps around in printing operation, the first central cylinder 201 at least partially. In this case, 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 substrate 07 and in particular the printing material web with the first central cylinder 201 in contact. Accordingly, at least 50% and more preferably at least 75% of the cylinder jacket surface of the first central cylinder are preferably seen in the circumferential direction during the printing operation 201 in contact with the printing material web. This means that one, as the contact surface between the at least one first central cylinder 201 and the substrate preferably designed as a substrate web 07 provided partial surface of a cylindrical surface of the at least one first central cylinder 201 the wrap around the at least one first central cylinder 201 which is preferably at least 180 ° and more preferably at least 270 °.

Along the transport route T the printing material web in front of the first central cylinder 201 the first printing unit 200 is preferably at least one preferred as a second measuring roller 216 trained second measuring device 216 arranged to measure the web tension. Along the transport route T the printing material web in front of the first central cylinder 201 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 on the intended transport T arranged aligned the substrate web. The first substrate preparation device 202 is at least a first side and preferably assigned to both sides of the printing substrate and in particular aligned at least on this first side of the printing substrate and preferably on both sides of the printing substrate and / or effective. Preferred is along the transport path T the printing material between the first Bahnkantenausrichter 114 and the at least one first central cylinder 201 that of the draw roller 118 and the Zugpresseur 117 formed entry nip 119 arranged.

The at least one first substrate preparation device 202 is in a preferred embodiment along the transport path T the printing material after the entry nip 119 and in front of the first central cylinder 201 acting on the substrate web and / or on the transport route T arranged aligned the substrate web. Preferably, the at least one first substrate preparation device 202 as at least one printing material cleaning device 202 or web cleaning device 202 educated. Alternatively or additionally, the at least one printing material preparation device 202 as at least one coating device 202 formed in particular for water-based coating compositions. Such a coating serves, for example, a primer. Alternatively or additionally, the at least one printing material preparation device 202 as at least one corona device 202 and / or discharge device 202 for corona treatment of the substrate 07 educated.

Preferred is a first deflection roller 203 trained roller 203 the first printing unit 200 with respect to its axis of rotation parallel to the first central cylinder 201 arranged. This first guide roller 203 is preferred from the first central cylinder 201 spaced apart. In particular, there is preferably a first gap 204 between the first guide roller 203 and the first central cylinder 201 , which is greater than a thickness of the substrate web. Under the thickness of the printing substrate is to be understood a smallest dimension of the printing material. The printing material web preferably wraps around a part of the first deflection roller 203 and is deflected by this so that the transport route T the printing material in the first space 204 both tangential to the first guide roller 203 as well as tangent to the first central cylinder 201 runs. A lateral surface of the deflection roller 203 consists preferably of a comparatively inelastic material, more preferably a metal, even more preferably steel or aluminum.

At least one is preferred as the first impression roller 206 trained first cylinder 206 in the first printing unit 200 arranged. 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 by means of a Anstellantriebs to the first central cylinder 201 adjustable and / or arranged remotely from this. In one to the first central cylinder 201 Employed state forms the first impression roller 206 preferably together with the first central cylinder 201 a first impression gap 209 , The printing material preferably passes through the first impression gap in printing operation 209 , Through the first guide roller 203 and / or preferably by the first impression roller 206 the printing material web is preferably flat and more preferably in a unique and known position to the first central cylinder 201 created. Preferably, 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 is preferred 206 below the axis of rotation 207 of the first central cylinder 201 arranged.

The first central cylinder 201 preferably has its own, the first central cylinder 201 associated first drive motor 208 on, preferably as an electric motor 208 is formed and further preferred as a direct drive 208 and / or single drive 208 of the first central cylinder 201 is trained. Under a direct drive 208 is a drive motor 208 to understand that without interposing further with the substrate 07 in contact rotating body with the at least one first central cylinder 201 is in torque transmitting and / or transferable connection. Under a single drive 208 is a drive motor 208 to understand that as a drive motor 208 excluding the at least one first central cylinder 201 is trained. 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 is.

On the first drive motor 208 of the first central cylinder 201 and / or on the first central cylinder 201 itself, a first rotational 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 The first rotation angle sensor is designed, for example, as a rotary encoder or absolute value encoder. 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 central cylinder 201 preferably by means of the higher-level machine control, z. B. the control unit 11 , absolutely determinable. Additionally or alternatively, the first drive motor 208 of the first central cylinder 201 connected in such a circuit with the machine control, that the machine control on the basis of from the machine control to the first drive motor 208 of the first central cylinder 201 predetermined target data to a rotational position of the first drive motor 208 at any time via the rotational position of the first drive motor 208 and thus at the same time the rotational position of the first central cylinder 201 is informed. In particular, one preferred is the rotational angle position or rotational position of the first central cylinder 201 and / or the first drive motor 201 predefined area of the machine control directly, in particular without interposed sensor, with at least one print head 212 the first printing unit 200 controlling area of the machine control connected.

Within the first printing unit 200 is at least a first printing unit 211 arranged. The at least one first printing unit 211 is preferred in the direction of rotation of the first central cylinder 201 and along the transport route T the printing material web after the first impression roller 206 preferably on the at least one first central cylinder 201 acting and / or arranged and / or aligned and / or arranged alignable. The at least one first printing unit 211 is as a first inkjet printing unit 211 trained and will also be the first inkjet printing unit 211 called. The first printing unit 211 preferably has at least one nozzle bar 213 and preferably a plurality of nozzle bars 213 on. The at least one first printing unit 211 and thus the at least one first printing unit 200 preferably has the at least one first printhead 212 on that as an inkjet printhead 212 is trained.

Preferably, the at least one nozzle bar 213 in each case at least one print head 212 and preferably each multiple printheads 212 on. Every printhead 212 preferably has a plurality of nozzles from which ink droplets are ejected and / or ejected. A nozzle bar 213 is a component that preferably over at least 80% and more preferably at least 100% of the working width of the printing press 01 extends and as a carrier of the at least one print head 212 serves. An axial length of the bale of the at least one first central cylinder is preferred 201 at least as big as the working width of the printing machine 01 , There is a single or several nozzle bars 213 per printing unit 211 arranged. Each nozzle is preferably a clearly defined target area in the direction A the width of the printing material and preferably in the direction A in particular the axis of rotation 207 the at least one first central cylinder 201 related assigned. Each target area of a nozzle is preferably in particular with respect to the circumferential direction of the at least one first central cylinder 201 clearly defined at least in the printing operation. In particular, a target area of a nozzle is that, in particular, substantially rectilinear space area which extends in a direction of ejection of this nozzle from this nozzle.

The at least one first nozzle bar 213 preferably extends orthogonal to the transport path T of the 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 faces in the axial direction A Seen preferably over the entire working width of the printing press 01 and / or width of the bale of the at least one first central cylinder 201 at regular intervals nozzle openings. In one embodiment, this is a single continuous printhead 212 arranged 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 extends. In this case, the at least one row of nozzles is preferred as at least one linear, over the entire width of the printing material in the axial direction A extending juxtaposition of individual nozzles formed. In another preferred embodiment, in the axial direction A side by side several print heads 212 on the at least one nozzle bar 213 arranged. Since usually such individual printheads 212 are not provided with nozzles up to an edge of their housing are preferably at least two and more preferably exactly two in the axial direction A extending rows of printheads 212 in the circumferential direction of the first central cylinder 201 offset from one another, preferably so that in the axial direction A successive printheads 212 preferably alternately one of the at least two rows of printheads 212 always preferentially 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 juxtaposition of nozzles, but results as the sum of a plurality of individual, more preferably two, circumferentially offset from each other arranged juxtaposition of nozzles.

Indicates a printhead 212 several nozzles, so form all target areas of the nozzles of this printhead 212 together a workspace of this printhead 212 , Workspaces of Printheads 212 a nozzle bar 213 and in particular a double row of printheads 212 boundaries in the axial direction A seen at each other and / or overlap in the axial direction A seen. In this way is also in the axial direction A non-continuous printhead 212 ensured that in the axial direction A seen at regular and preferably periodic distances target areas of nozzles of the at least one nozzle bar 213 and / or in particular each double row of printheads 212 lie. In any case, an entire working area of the at least one nozzle bar extends 213 preferably 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 , On one or both sides with respect to the axial direction A may be a narrow area of the printing material web and / or the bale of the first central cylinder 201 be present, which is not the working area of the nozzle bars 213 belongs. An entire working area of the at least one nozzle bar 213 is preferred from all workspaces of printheads 212 this at least one nozzle bar composed and is preferably from all target areas of nozzles of these printheads 212 this at least one nozzle bar 213 composed. Preferably, an entire work area corresponds to a double row of print heads 212 in the axial direction A seen the working area of the at least one nozzle bar 213 ,

Preferably, the at least one nozzle bar 213 in the circumferential direction with respect to the at least one first central cylinder 201 several rows of nozzles on. Preferably, each printhead 212 a plurality of nozzles, more preferably in a matrix of several 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 are arranged, wherein such columns are further preferably arranged to extend obliquely to the circumferential direction, for example, a resolution of a printed image 09 to increase. Preferred are in a direction orthogonal to the axial direction A , in particular in the transport direction along the transport path T of the substrate 07 and / or in the circumferential direction relative to the at least one central cylinder 201 several rows of printheads 212 , more preferably four double rows, and more preferably eight double rows of printheads 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 several rows of printheads 212 , more preferably four double rows, and more preferably eight double rows of printheads 212 successively on the at least one first central cylinder 201 arranged aligned.

Here are the printheads 212 at least in the printing operation preferably oriented such that the nozzles of each printhead 212 essentially in the radial direction on the cylinder jacket surface of the at least one first central cylinder 201 point. Deviations from radial directions within a tolerance range of preferably not more than 10 ° and more preferably not more than 5 ° are to be considered essentially radial directions. This means that the at least one on the lateral surface of the at least one first central cylinder 201 aligned printhead 212 with respect to the axis of rotation 207 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 is aligned. This radial direction is one on the axis of rotation 207 the at least one first central cylinder 201 related radial direction. Each double row of printheads 212 It is preferred to associate and / or assign a printing ink of a specific color, for example one of the colors black, cyan, yellow and magenta or a varnish, for example a clear varnish. The corresponding inkjet printing unit 211 is preferred as a four-color printing unit 211 trained and allows a one-sided four-color printing of the printing substrate. It is also possible to have fewer or more different colors with a printing unit 211 to print, for example, additional spot colors. Preference is then correspondingly more or less printheads 212 and / or double rows of printheads 212 within this corresponding printing unit 211 arranged. In one embodiment, at least in the printing operation, a plurality of rows of printheads 212 , more preferably four double rows, and more preferably eight double rows of printheads 212 arranged in succession on at least one surface of at least one transfer body, for example at least one transfer cylinder and / or at least one transfer belt aligned.

The at least one print head 212 works for the production of ink droplets preferably according to the drop-on-demand process, in which ink droplets are generated selectively when needed. Preferably, 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. By plant different voltages to the piezoelectric element is influenced on a travel of the piezoelectric element and thus the reduction of the volume and thus the size of the ink drops. In this way, color gradations in the resulting print image 09 feasible, without a print image 09 contributing number of drops (amplitude modulation). It is also possible to use 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.

In the drop-on-demand method, a droplet deflection after ejection from the corresponding nozzle is not necessary since it is possible to achieve 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 time of the respective ink drop and a rotational speed of the first central cylinder 201 and / or by the rotational position of the first central cylinder 201 set. By individually controlling each nozzle, ink drops from the at least one printhead are only at selected times and at selected locations 212 transferred to the substrate web. This happens 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 printing material web and the position of the target area of the respective nozzle with respect to the circumferential angle. This results in a desired print image 09 , which is designed depending on the control of all nozzles. An ejection of ink droplets from the at least one nozzle of the at least one printhead 212 is preferably carried out as a function of the machine control, z. B. the control unit 11 , predetermined rotational position of the first drive motor 208 , In this case, those from the machine control to the first drive motor 208 predetermined target data of the rotational position of the first drive motor 208 preferably in real time in a calculation of data for controlling the nozzles of the at least one printhead 212 included. An adjustment 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 of the printing material web relative to the at least one first central cylinder 201 is therefore for a passport-fair and / or register-compatible printed image 09 of great importance.

The nozzles of the at least one printhead 212 are arranged such that a distance between the nozzles and on the cylinder jacket surface of the at least one first central cylinder 201 arranged printing material preferably between 0.5 mm and 5 mm and more preferably between 1 mm and 1.5 mm. The high 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 the first drive motor 208 of the first central cylinder 201 processed target data to the rotational position of the first drive motor 208 of the first central cylinder 201 allows a very accurate orientation and / or knowledge of the position of the substrate 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 teach-in process and / or by the known distance between the nozzles and the printing material web and a known drop speed. From the angular position of the at least one first central cylinder 201 and / or the first drive 208 the at least one first central cylinder 201 , the rotational speed of the at least one first central cylinder 201 and the drop flight time is determined an ideal time to eject a respective drop, so that a passer-sized and / or register-compliant imaging of the substrate web is achieved.

Preferably, at least one sensor configured as the first print image sensor is arranged, more preferably at one point along the transport path T the printing material after the first printing unit 211 , The at least one first print image sensor is designed, for example, as a first line scan camera or as a first area scan 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. By means of this at least one first print image sensor and a corresponding evaluation unit, for example the higher-level machine control, it is preferable to control all in the circumferential direction of the at least one first central cylinder 201 one behind the other and / or acting printheads 212 and / or double rows of printheads 212 of the first printing unit 211 monitored and regulated. In a first embodiment of the at least one print image sensor, only a first print image sensor is arranged, whose sensor field covers the entire width of the transport path T the printing material web 07 includes. In a second embodiment of the at least one print image sensor only a first print image sensor is arranged, which in the direction A orthogonal to the direction of the transport route T the printing substrate is designed to be movable. In a third embodiment of the at least one print image sensor, a plurality of print image sensors are arranged, whose respective sensor fields each have different regions of the transport path T include the printing material web. Preferably, these areas are in the direction A orthogonal to the direction of the transport route T the printing material arranged offset from each other. Preferably, an entirety of the sensor fields of the plurality of print image sensors comprises an entire width of the transport path T the printing material web.

A layer of pixels formed by drops of ink emerging from each first printhead 212 are preferably compared with a layer of pixels which are formed by ink droplets, which consist of a respective second, in the circumferential direction of the at least one first central cylinder 201 after the first printhead 212 lying printhead 212 come. This is preferably done independently of whether these each first and second, in the circumferential direction of the at least one first central cylinder 201 one behind the other and / or acting printheads 212 process a same or a different printing ink. It will be a vote of the layers of different printheads 212 originating print images 09 supervised. 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 is also preferred with the measured values of the at least one print image sensor 09 carried out.

In a regular printing operation, all printheads are 212 fixedly arranged. This ensures a permanent passport-oriented and / or register-oriented alignment of all nozzles. There are different situations imaginable in which a movement of the printheads 212 necessary is. A first such situation is a flying roll change or generally a roll change with gluing process. In this case, a substrate web is connected by means of an adhesive strip with another printing material web. This results in a connection point that covers the entire transport route T must pass through the substrate web. 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. This can cause difficulties when the joint is the space between the nozzles of the printheads 212 and the cylinder jacket surface of the at least one first central cylinder 201 happens. The at least one nozzle bar 213 is therefore in at least one direction relative to the axis of rotation 207 the at least one first central cylinder 201 movable. In this way, the distance can be sufficiently increased, but must be subsequently reduced accordingly again. A second such situation results, for example, in a maintenance and / or cleaning at least one of the printheads 212 , The printheads 212 are preferably individually on the at least one nozzle bar 213 attached and individually from the at least one nozzle bar 213 solvable. This allows individual printheads 212 serviced and / or cleaned and / or replaced.

Are several mutually movable nozzle bars 213 arranged, so can at a return of at least one nozzle beam 213 in a printing position minimal malpositions of the nozzle bar 213 occur among each other. An alignment requirement can thus occur, in particular of all printheads 212 a nozzle bar 213 to printheads 212 other nozzle bars 213 , Will be a new and / or reassignable printhead 212 on the at least one nozzle bar 213 attached to the already at least one other printhead 212 is fixed, it does not necessarily result but at most coincidentally an exact matching orientation of this new and / or reordering printhead 212 to the at least one already attached printhead 212 in the circumferential direction and / or in the axial direction A with respect to the at least one first central cylinder 201 , Here too, an alignment requirement may arise, in particular a single printhead 212 to other printheads 212 the same nozzle bar 213 and / or other nozzle bars 213 ,

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 location of the target area of at least one pre-attached printhead 212 , An installation position of the at least one new and / or re-arranged print head 212 in the circumferential direction with respect to the at least one first central cylinder 201 can be controlled by controlling the nozzles of this printhead 212 compensate, preferably analogous to the already described adaptation of printheads 212 different double rows of printheads 212 , An installation position of the at least one new and / or re-arranged print head 212 in the axial direction A with respect to the at least one first central cylinder 201 is compensated by means of at least one adjustment mechanism. Preferably, 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 agent, in particular ink supply system. Preferably, several print heads 212 , for example, multiple printheads 212 a common nozzle bar 213 , in particular more or more preferably all print heads 212 each of a double row of printheads 212 a common supply system for coating agents. This common supply system is preferred at least a normal stock. At least one first liquid line or color line per print head is in each case provided with the at least one normal reserve 212 connected. 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. Preferably, 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. Preferably, 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 liquid pump is preferably arranged in the at least one feed line. Preferably, 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. Preferably, there is a negative pressure relative to the ambient pressure in the normal supply.

Preferably, ink is pumped from the buffer into the normal supply by at least one pump. Preferably, 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 connected via at least one first gas line with at least one first gas pump. Preferably there is a same pressure in a second gas space of the intermediate store, as in the at least one first gas space of the at least one normal store. Preferably, 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. Preferably, ink is conveyed by the relative negative pressure from the buffer memory in the buffer.

Preferably, several print heads 212 , for example, multiple printheads 212 a common nozzle bar 213 , in particular more or more preferably all print heads 212 each of a double row of printheads 212 a common power supply system. Preferably, at least one common power line of the power supply extends within the respective at least one nozzle beam over at least 50%, more preferably at least 75% and even more preferably at least 90% of a width of the working area of the respective at least one nozzle bar 213 in the axial direction A and / or the working width of the printing press 01 , Preferably, each printhead 212 this respective at least one nozzle bar 213 in each case at least one own voltage line, which is connected to this common power line of the power supply. Preferably, each printhead 212 this respective at least one nozzle bar 213 in each case at least one own data line, which is connected to a computing unit, with respect to the axial direction A outside the working area of the respective at least one nozzle bar 213 and / or with respect to the axial direction A outside each for substrate 07 provided transport route T the printing press 01 is arranged. Thus, so at least along a run in the axial direction A extending portion of the nozzle bar 213 at least one data line per printhead 212 this at least one nozzle bar 213 parallel to each other.

Preferably, at least one nozzle cleaning device is arranged, which has at least one row of washing nozzles and / or brushes and / or pullers.

After the printing material web the at least one first printing unit 200 has happened, the printing material along its transport path T transported further and preferably the at least one first dryer 301 the at least one dryer unit 300 fed. Preferably, the first, from the at least one first printing unit 200 printed side of the substrate web between a last contact point of the printing substrate with the at least one first central cylinder 201 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 machine in contact. Preferably, the second, in particular of the first printing unit 200 not printed, the at least one first central cylinder 201 the at least one first printing unit 200 Contacting side of the substrate web between the last contact point of the printing material web with the first central cylinder 201 the at least one first printing unit 200 and the area of action of the at least one first dryer 301 with at least one guide roller 214 the at least one first printing unit 200 and / or with at least one deflection roller 312 the at least one first dryer 301 in contact. At least one, more preferably as a third measuring roller, is preferred 214 trained third measuring device 214 arranged. This third measuring device 214 is used to measure the web tension. More preferably, the at least one deflecting 214 the first printing unit 200 with the third measuring roller 214 trained third measuring device 214 identical.

The at least one first dryer 301 is preferred as an infrared radiation dryer 301 educated. The at least one first dryer 301 preferably has at least one radiation source 302 on, preferably as an infrared radiation source 302 is trained. A radiation source 302 , preferably infrared radiation source 302 is a device by means of the targeted electrical energy in radiation, preferably infrared radiation is converted and / or convertible and is directed to the printing substrate and / or is directable. The at least one radiation source 302 preferably has a defined area of action. In particular, the exposure region is a radiation source 302 in each case the area which contains all the points, in particular without interruption, in a straight line directly or via reflectors with the radiation source 302 can be connected. The area of action of the at least one first dryer 301 consists of the exposure areas of all radiation sources 302 the at least one first dryer 301 together. The area of action of the at least one first dryer 301 preferably has at least one radiation source 302 to one of the at least one radiation source 302 nearest part of the transport route T the printing material web. By at least one vent opening air is in the interior of the at least one first dryer 301 initiated. Inside the first dryer 301 is removed by the infrared radiation from the printing substrate to be removed water and / or solvent of the printing inks and absorbed by the introduced air. This air is then passed through at least one vent opening from the at least one first dryer 301 dissipated.

In a preferred embodiment, the intended transport path T for the substrate 07 through the at least one first dryer 301 at least two sections, each extending in directions with vertical components, more preferably with larger vertical than optional horizontal components. Preferably, the intended transport path runs T of the substrate 07 along the one portion at least with a component in the vertical upward direction. Preferably, the intended transport path runs T of the substrate 07 along the other part at least with a component in the vertical downward direction. Preferably, this is a portion and the other portion of the intended transport path T by at least one intended connecting piece of the intended transport path T connected with each other. Preferably, the at least one connecting piece extends in a direction with a horizontal component, more preferably with a larger horizontal than optionally present vertical component. This allows the at least one dryer 301 preferably be built very compact.

In the transport direction of the printing material after the Einwirkbereich the at least one radiation source 302 the at least one first dryer 301 is preferably at least a first cooling device 303 arranged. The at least one first cooling device 303 preferably has at least one first cooling roller 304 and preferably a first, to the at least one first cooling roll 304 adjustable and / or employed chill roller press 306 and preferably at least one, to the at least one first cooling roll 304 adjustable and / or employed connecting roller 307 ; 308 on. One of the at least one first cooling roller 304 associated first, as the first chill roll drive motor 311 trained drive motor 311 and the first chill roll press 306 are preferably part of a web tension control, so arranged the web tension regulating and preferably for this purpose at least partially and / or temporarily with the higher-level machine control, z. B. the control unit 11 connected. The at least one first cooling roller 304 preferably provides at least a fourth motor-driven rotary body 304 The printing material web wraps and preferably touches along its transport path T the at least one first cooling roll 304 with a wrap angle of preferably at least 180 ° and more preferably at least 270 °. The first chill roller press 306 preferably forms with the at least one first cooling roll 304 a first cooling nip 309 , in which preferably the printing material web is arranged and / or preferably passes through the printing material web. In this case, the printing material from the Kühlwalzenpresseur 306 to the at least one first cooling roller 304 pressed. The at least one first cooling roller 304 the at least one first cooling device 303 is preferred as a cooling roller through which a coolant flows 304 educated.

Along the transport route T the printing material web after the at least one first cooling device 303 is preferably at least a second printing unit 400 arranged. Preferred is along the transport path T the printing material 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 arranged at least a second Bahnkantenausrichter, which is preferably formed manually or driven controllable and / or adjustable. The at least one second printing unit 400 is analogous to the first printing unit 200 built up. In particular, the second printing unit 400 a second central pressure cylinder 401 or shortly central cylinder 401 on the is wrapped in the printing operation of the printing material web, and also with a wrap angle of preferably at least 180 ° and more preferably at least 270 °. The second central cylinder 401 preferably provides a fifth motor driven rotary body 401 dar. The second central cylinder 401 the second printing unit 400 preferably has a direction of rotation, which is a direction of rotation of the at least one first central cylinder 201 is opposite. Along the transport route T the printing material before the second central cylinder 401 the second printing unit 400 is preferably a second printing material cleaning device 402 or web cleaning device 402 arranged acting on the substrate web.

The transport route T the printing substrate by the at least one second printing unit 400 runs analogous to the transport route T by the at least one first printing unit 200 , In particular, the printing material web preferably wraps around a part of a second deflection roller 403 and is deflected by this so that the transport route T the printing material in the second space 404 both tangential to the second guide roller 403 as well as tangent to the second central cylinder 401 runs. At least one is preferred as the second impression roller 406 trained cylinder 406 in the second printing unit 400 arranged. The second impression roller 406 is preferably analogous to the first impression roller 206 constructed and arranged, in particular with respect to its mobility and a second impression gap 409 , The second central cylinder 401 is preferably analogous to the first central cylinder 201 arranged and constructed, 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 is a rotation angle position of the second drive motor 408 and / or the second central cylinder 401 itself measuring and / or measurable 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 an inkjet printing unit 411 or inkjet printing unit 411 trained printing unit 411 in the direction of rotation of the second central cylinder 401 and along the transport route T the printing material web after the second impression roller 406 on the second central cylinder 401 arranged aligned. The at least one second printing unit 411 the at least one second printing unit 400 is preferably identical to the at least one first printing unit 211 the at least one first printing unit 200 , in particular with respect to at least one nozzle bar 413 at least one as an ink jet printhead 412 trained printhead 412 and their arrangement in 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 beam 413 and the at least one printhead 412 by means of at least one adjusting mechanism with a corresponding electric motor. An analogous protective cover and / or cleaning device is also preferably arranged. Also a correct orientation of the printheads 412 the at least one second printing unit 400 is preferably checked by at least one sensor being a printed image 09 recorded and the machine control this printed image 09 evaluates. 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 printing unit 411 as a four-color printing unit 411 educated.

Regarding the transport route T the printing substrate is after the at least one second printing unit 400 at least a second dryer 331 arranged. After the printing material web the at least one second printing unit 400 has happened, the printing material along its transport path T transported further and preferably the at least one second dryer 331 the at least one dryer unit 300 fed. The at least one second dryer 331 is preferably analogous to the at least one first dryer 301 built up. The at least one first dryer 301 and the at least one second dryer 331 are components of at least one dryer unit 300 , Preferably, the second, from the at least one second printing unit 400 printed side of the substrate web between a last contact point of the printing material web with the second central cylinder 401 the at least one second printing unit 400 and an area of action of the at least one second dryer 301 with no component of the web printing machine in contact. At least one deflection roller is preferred 414 the second printing unit 400 arranged. This is preferably at least one deflection roller 414 as the fifth measuring device 414 , in particular fifth measuring roller 414 educated.

The structure of the at least one second dryer 331 is similar to the construction of the at least one first dryer 301 , Especially with regard to a substrate provided for transport route T and / or a training as a flow dryer 331 and / or radiation dryer 331 and / or hot air dryer 331 and / or infrared radiation dryer 331 and / or UV radiation dryer 331 , In particular, the at least one second dryer 331 preferably at least one second cooling roll 334 more preferably at least a sixth motor driven rotary body 334 represents. The second cooling roller is preferred 334 by means of a second cooling roller drive 341 driven and / or driven. Preferably, the at least a second dryer 331 with respect to the components described substantially and further preferably completely symmetrical to the at least one first dryer 301 built up. The at least one second dryer 331 is preferably part of the same dryer unit 300 like the at least one first dryer 301 and is more preferably in a same housing 329 arranged. With respect to a spatial arrangement is the dryer unit 300 and are therefore preferred at least a first dryer 301 and the at least one second dryer 331 preferably between the at least one first printing unit 200 and the at least one second printing unit 400 arranged.

Along the transport route T the printing material after the at least one second dryer 331 is at least an extraction roller 501 arranged. The at least one pull-out roller 501 preferably has its own, as a pull-out roller drive 504 trained drive motor 504 on. The at least one pull-out roller 501 preferably provides at least a seventh motorized rotary body 501 dar. The at least one pull-out roller 501 preferably forms together with one of the at least one pull-out roller 501 employed and / or employable extract press 502 a pull-out gap 503 , in which the printing material web is clamped and through which the printing material web is conveyed. The pull-out gap 503 is preferably used to control a web tension and / or transport of the printing material web.

Regarding the transport route T the printing material before and / or after the extraction roller 501 , but especially along the transport route T of the substrate 07 after at least a first dryer 301 , At least one rewet device is preferably arranged, which preferably has too great a moisture loss of the printing substrate due to the treatment by the dryer unit 300 balances.

Along the transport route T the printing material web after the pull-out gap 503 and / or after the rewet device is at least one rework device 500 arranged, preferably as a folding device 500 is formed and / or a sheet cutter 500 and / or a planned expense 500 or as a winding device 500 is trained. In this and / or by this post-processing device 500 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. The previously described arrangements of the printing unit 04 with the relevant, either either fixed or spatially variable inkjet system 06 which changes the information which changes or at least can be changed in the current printing process to that on the printing material 07 intended target area 08 prints are z. B. in connection with the post-processing device 500 educated.

In at least one variant of the printing press is the printing press 01 as a roll-rotation ink-jet printing machine 01 formed and is at least one transmission body with the at least one first pressure central cylinder 201 a transmission gap forming arranged. Then the at least one printhead is preferred 212 aligned with the at least one transmission body.

LIST OF REFERENCE NUMBERS

01

press

02

printing unit

03

printing unit

04

printing unit

05

-

06

inkjet system

07

substrate

08

target area

09

print image

10

-

11

control unit

12

positioning

13

setting device

14

brand

15

-

16

detector

17

turner unit

18

Slitter

19

formers

20

-

21

folding

22

Bay-window facility

23

guide rail

24

drive

25

-

26

drive

27

traverse

28

Frame; side frame

29

Strand splitting means

30

-

31

stapler

32

perforating

100

Substrate source, roll-off device, reel splicer

101

printing material

102

-

103

Roller holding device, clamping device, clamping mandrel, clamping cone, clamping device, mandrel, clamping cone, clamping shaft; Rotation body, first

104

Drive motor, electric motor ( 103 )

107

Support arm ( 101 )

108

Axle, support, support frame ( 107 )

109

Pivot axis ( 108 )

110

-

111

Rotation axis ( 101 ; 103 )

112

frame

113

dancer roll

114

Bahnkantenausrichter, first

115

-

116

aligning

117

Zugpresseur

118

draw roller; Rotation body, second

119

nip

120

-

121

dancer arm

139

infeed

140

-

141

Measuring roller, feed measuring roller, measuring device, first

146

Drive motor, traction drive motor ( 118 )

200

Printing unit, first

201

Central pressure cylinder, central cylinder, first; Rotation body, third

202

Substrate preparation device, web preparation device, coating device, corona device, discharge device, substrate cleaning device, web cleaning device, dedusting device, first

203

Roller, guide roller

204

Gap ( 201 ; 203 )

205

-

206

Cylinder, impression roller, first

207

Rotation axis ( 201 )

208

Drive motor, electric motor, direct drive, single drive, synchronous motor

209

Impression gap, first

210

-

211

Printing unit, inkjet printing unit, inkjet printing unit, four-color printing unit, first

212

Printhead, inkjet printhead, first

213

Nozzle bar, first

214

Guide roller, measuring roller, measuring device, third

215

-

216

Measuring roller, measuring device, second

300

dryer unit

301

Dryer, infrared radiation dryer, radiation dryer, flow dryer, UV radiation dryer, hot air dryer, first

302

Radiation source, infrared radiation source

303

Cooling device, first

304

Chill roll, first; Rotation body, fourth

305

-

306

Kühlwalzenpresseur

307

Connecting roller, first

308

Connecting roller, second

309

Cooling nip, first

310

-

311

Drive motor, chill roll drive motor (304), first

312

deflecting

329

Housing (300)

330

-

331

Dryer, infrared radiation dryer, flow dryer, radiation dryer, hot air dryer, UV radiation dryer, second

332

-

333

Cooling device, second

334

Chill roll, second; Rotation body, sixth

335

-

336

Chill roller press, second

339

Cooling nip, second

340

-

341

Drive motor, chill roll drive motor ( 334 ), second

342

-

343

Measuring roller, measuring device, sixth

400

Printing unit, second

401

Central pressure cylinder, central cylinder, second; Rotation body, fifth

402

Substrate cleaning device, web cleaning device, dedusting device, second

403

Roller, guide roller

404

Gap ( 401 ; 403 )

405

-

406

Cylinder, impression roller, second

407

Rotation axis ( 401 )

408

Drive motor, direct drive, electric motor, single drive, synchronous motor

409

Impression gap, second

410

-

411

Printing unit, inkjet printing unit, inkjet printing unit, four-color printing unit, second

412

Printhead, inkjet printhead, second

413

Nozzle bar, second

414

Deflection roller, measuring roller, fifth

415

-

416

Measuring roller, measuring device, fourth

500

Post-processing device, folding device, rewinder, sheet cutter, plan delivery

501

Extractor, rotary body, seventh

502

Auszugpresseur

503

excerpt gap

504

Drive motor, extraction roller drive (501)

A

Direction, axial

B07

width

B08

width

B09

width

M

center

T

transport

Claims (5)

Printing machine (01) with a plurality of printing units (02, 03, 04) which jointly print a printing material (07), wherein at least two of these printing units (02, 03; 04) are arranged along a transport path (T) provided for the printing material (07) in a row are arranged successively, wherein at least one of these arranged in series printing units (04) is designed as an inkjet system (06), wherein the inkjet system (06) in question is designed such that this inkjet system (06) changing in a running printing process or at least variable information on one on the substrate (07) provided target surface (08) prints, wherein the printing press (01) is associated with a former (19), characterized in that the changing in the current printing process or at least changeable information on the provided target surface (08) on the substrate (07) printing inkjet system (06) directly on the former (19) or immediately above the Folding funnel (19) is arranged, wherein said inkjet system (06) is operated such that in the current printing process changing or at least variable information is printed on the on the substrate (07) provided target surface (08), while the target area in question ( 08) of this printing material (07) via the former (19) is guided, so that the substrate (07) has a firm support, while changing in the current printing process or at least changeable information on the on the substrate (07) provided target area (08) is printed, wherein the former (19) transversely to the transport path (T) of the printing material (07) is adjustable, wherein a position of the transversely to the transport path (T) of the printing material (07) adjustable folding hopper (19) by a control unit ( 11) is set, this control unit (11) changing in the current printing process or at least changeable information and / or an Anga be to the location of the intended for this information target surface (08) on the substrate (07) provides, wherein the respective inkjet system (06) in the printing press (01) is arranged stationary, wherein a position of the pressure in the current printing process changing (or at least changeable) information provided target surface (08) by positioning of the printing material (07) by means of the transversely to the transport path (T) of the printing material (07) adjustable folding hopper (19) relative to the stationary arranged inkjet system (06) is set or at least adjustable , Printing press (01) after Claim 1 , characterized in that the information changing in the current printing process or at least changeable information and / or the indication of the location of the target surface (08) provided for this information on the substrate (07) from the control unit (11) and database of a production planning system and / / or the control unit (11) of a control station controlling the printing machine (01) is provided on the relevant inkjet system (06). Printing press (01) after Claim 1 or 2 , characterized in that the printing machine (01) as a digital printing machine or as a printing in an offset printing method or in a gravure printing press (01) is formed. Printing press (01) after Claim 1 or 2 or 3 , characterized in that in the direction transverse to the transport path (T) of the printing material (07) a plurality of inkjet systems (06), each of which in the current printing process changing or at least changeable information on their respective assigned on the substrate (07) provided target area (08) print, are arranged side by side. Printing press (01) after Claim 4 , characterized in that the several in the direction transverse to the transport path (T) of the printing material (07) juxtaposed inkjet systems (06) are operated such that they different in the current printing process respectively changing or at least changeable information in each case to their respective assigned Print on the substrate (07) provided target area (08).

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