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EP4396000B1 - Dispositif permettant de fournir des sections de substrat incurvées et machine et procédé de traitement d'un substrat de type bande - Google Patents

Dispositif permettant de fournir des sections de substrat incurvées et machine et procédé de traitement d'un substrat de type bande

Info

Publication number
EP4396000B1
EP4396000B1 EP22769633.3A EP22769633A EP4396000B1 EP 4396000 B1 EP4396000 B1 EP 4396000B1 EP 22769633 A EP22769633 A EP 22769633A EP 4396000 B1 EP4396000 B1 EP 4396000B1
Authority
EP
European Patent Office
Prior art keywords
substrate
web
path
application
cross
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22769633.3A
Other languages
German (de)
English (en)
Other versions
EP4396000A1 (fr
Inventor
Volkmar Schwitzky
Christian Ziegenbalg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP4396000A1 publication Critical patent/EP4396000A1/fr
Application granted granted Critical
Publication of EP4396000B1 publication Critical patent/EP4396000B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/001—Apparatus or machines for carrying out printing operations combined with other operations with means for coating or laminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/002—Apparatus or machines for carrying out printing operations combined with other operations with means for applying specific material other than ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/008—Apparatus or machines for carrying out printing operations combined with other operations with means for stamping or cutting out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0406—Drying webs by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0423—Drying webs by convection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/02—Letterpress printing, e.g. book printing
    • B41M1/04—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/11—Machines with modular units, i.e. with units exchangeable as a whole

Definitions

  • the invention relates to a device for providing sheet-shaped substrate sections as well as a machine and a method for working and/or processing sheet-shaped substrate according to claims 1, 8 and 14, respectively.
  • WO 2020/064230 A1 A machine for handling and/or processing web-shaped substrates is known, wherein a substrate roll is unwound at the input side, fed downstream to a cross-cutting device, where it is cut crosswise into substrate sections. These sections are fed for inspection and, at the downstream end of the machine, are deposited into different stacks in a multiple stack delivery system depending on the inspection result.
  • the substrate web is printed on its upper side before cross-cutting, wherein the substrate sections created after cross-cutting are printed downstream on the same substrate side once or multiple times by one or more printing devices.
  • the DE 101 03 040 A1 discloses a device for forming a sequence of underlapped sheets that are fed to a feed table of a downstream printing press.
  • the device comprises, on the input side, a holding device for holding and unwinding a paper roll, and a feed device for feeding the paper web via a support table to a cross cutter.
  • the resulting sheets are fed to the feed table of the printing press via two conveyor belts and an underlapping device.
  • EP 3 878 652 A1 is a process for producing printed sheets from a Web in which a web is coated with an adhesive and provided with a film before it is cut into sheets and printed inline.
  • the DE 10 2009 061 056 A1 relates to a web-fed printing press with two inkjet printing units for double-sided inkjet printing, with a dryer arranged downstream of each inkjet printing unit in the web path.
  • the inkjet printing units and dryers are followed by a post-processing section in which webs are folded, cut into sheets, and finally fed to a delivery module.
  • a delivery module At the input side of the delivery module, several partial webs obtained by longitudinal cutting can be stacked on top of each other via turner bars.
  • a web-fed printing machine with different interchangeable printing and processing units with, for example, different printing processes and a punching unit is disclosed, wherein the printed and processed web is rewound on the output side.
  • a printing press with several units in particular a roll unwinder, a printing device, a dryer, a cooling and buffer device, and a slitting device, is disclosed.
  • the units are controlled via a programmable controller.
  • the DE 20 2012 102 681 U1 discloses a web-fed printing machine for printing a material web unwound from a roll, in particular made of cardboard, with a printing unit and a coating unit arranged downstream of the printing unit, wherein the printed and coated web can be wound up again downstream in one embodiment or, in another embodiment, cut into pieces by a cross cutter and stacked by a stacker.
  • the DE 103 51 305 A1 aims to make relatively low-quality printing substrates available for high-quality printing processes, such as those possible with sheet-fed printing.
  • a web-fed rotary printing press is provided, which can be used to finish low-quality printing substrates before the printing process.
  • finishing options are listed in the web-fed printing press, such as priming, laminating, or foil stamping.
  • a further print image is applied to the already applied coatings, prints, or separating layers.
  • a varnish can also be applied afterwards.
  • the aim is to increase flexibility when printing labels or folding boxes, particularly when creating special optical effects through the printed image or text. This is achieved through a modular design of a narrow-web label printing machine with a processing module that can be arranged on a support unit and to which a wide variety of functional units can be connected via an interface.
  • the invention is based on the object of providing a device for sheet-shaped substrate sections as well as a machine and a method for working and/or processing sheet-shaped substrate.
  • the device or machine can produce a sheet-like substrate produced from a web-like substrate and optionally further processed, e.g., printed, which has undergone a finishing or pretreatment, e.g., a large-area or even full-area fluid application, before cutting, e.g., inline.
  • the finishing or pretreatment by fluid application is carried out by a corresponding device, e.g., an application device, by which a fluid, e.g., in the form of a liquid or pasty substance or mixture of substances, or a fluidized powder, can be applied to the substrate.
  • the solution according to the invention is particularly advantageous in applications for which a barrier layer is required on a first side of the substrate, e.g., the subsequent back of a printed product or the inside of a hollow body, which prevents the penetration or even permeation of adjacent gaseous, liquid, or pasty media into or through the substrate material.
  • the applied fluid - particularly after drying and/or curing - forms a barrier layer in the form of a coating.
  • Such applications can be found not only, but particularly, in the packaging sector, in particular in the food industry.
  • such a barrier layer can be provided in a simple process without - as has often been the case up to now - the barrier layer being applied by laminating with a film.
  • the finishing medium used can be, for example, a water-based varnish approved for the food industry or a still-liquid plastic, such as, for example, Polyurethanes or cast resins are suitable.
  • a lacquer or plastic layer applied for example in the form of a coating
  • the application of a fluid that at least partially absorbs into the substrate - for example in the form of an impregnation - can be provided.
  • the full or at least large-area application of the barrier layer on one side, e.g., the later product interior, and the printing of an image on the other side, e.g., the later visible product exterior can be carried out inline, i.e., in a single continuous operation.
  • a device for providing sheet-shaped substrate sections, in particular those provided with a barrier layer on the back or later inside, comprises a roll unwinder for feeding a web-shaped substrate on the input side, in the substrate path of the web-shaped substrate between the roll unwinder and the cross-cutting device - exactly or at least - two application devices formed by varnishing units for applying a varnish forming a barrier layer to the web-shaped substrate on a same first side, a drying device between the cross-cutting device and the first varnishing unit viewed upstream and a drying device in the substrate path between the two varnishing units, as well as a cross-cutting device by means of which the web-shaped substrate can be cut into sheet-shaped substrate sections downstream of the varnish application and at the output of which these substrate sections can be made available for further processing or output to a delivery.
  • no further application devices are provided apart from the application devices applying the barrier layer on the first side, so that only substrate sheets intended for later printing, but pretreated on the back, i.e. provided with a barrier layer, are provided behind the cross-cutting device.
  • web-shaped substrate is unwound from a substrate roll storing the substrate and is provided with a barrier layer on a first side, which forms the back or inside in the later product, by applying a barrier layer to the first side, which in particular forms the back or inside in the later product, of the web-shaped substrate, a single or multiple application of a fluid forming the barrier layer is carried out by one or more application devices with a total layer thickness of at least 5 ⁇ m, the web-shaped substrate to which the fluid is applied is dried and/or cured at least superficially downstream of the or each application device by at least one device which accelerates the drying and/or curing, at least in the region of the fluid application, the substrate to which the fluid is applied is cut into substrate sections by a cross-cutting device with the at least superficially dried and/or cured fluid, and the substrate sections are combined downstream in a delivery device to form one or more stacks.
  • a layer e.g., a paint or, in particular, a varnish layer with a thickness of at least 5 ⁇ m, in particular at least 8 ⁇ m, is produced on the first side by the at least one, i.e., one or more such application devices.
  • the thickness of the applied and dried layer can be up to 12 ⁇ m, in particular up to 15 ⁇ m.
  • the solution according to the invention can also be used advantageously for other finishing applications in which - for example on the back of the product or, in the case of the device, possibly on the front of the product or - for example, a coating is to be provided to protect the substrate surface, to reinforce the substrate or to provide large-scale or full-surface optical or haptic effects.
  • the device for providing finished substrate sheets in stacks or in storage can be designed only with devices for finishing and cutting substrate sheets in the manner of a "standalone" machine, in a particularly advantageous development of a machine, e.g. combination machine, downstream of the cross-cutting at least one further device for processing, in particular printing and/or coating, the sheet-shaped substrate - in particular at least on the second substrate side opposite the above-mentioned finishing or coating - by means of which one or more further processing steps, in particular multi-coloured printing, can be carried out inline downstream of the cross-cutting in the machine.
  • a machine e.g. combination machine, downstream of the cross-cutting at least one further device for processing, in particular printing and/or coating, the sheet-shaped substrate - in particular at least on the second substrate side opposite the above-mentioned finishing or coating - by means of which one or more further processing steps, in particular multi-coloured printing, can be carried out inline downstream of the cross-cutting in the machine.
  • the machine for example, as a combination machine, in which it is configured with a printing press, in particular a sheet-fed printing press, with one or more processing devices configured as printing units and an upstream coating section, in particular a web coating section, so that printing and/or coating of the sheets can be carried out inline with the finishing or coating of the still web-shaped substrate, in an advantageous respective application and drying device, individual or as a common finishing unit can be inserted and removed optionally into the substrate path between the inlet-side web feed and the downstream printing and/or coating units upstream of the cross cutters.
  • This allows operation of the machine with or without such finishing, without such devices having to be unnecessarily run through in "idle" mode.
  • such units can not only be inserted and removed, but can also be exchanged for other types of units or can be supplemented by additional units.
  • the optional and/or additional insertion and removal is of course also applicable in the above-mentioned case of a so-called stand-alone design, i.e. in the design without one or more processing devices downstream of the cross-cutting, for example in order to provide only one sheet from a web-forming machine.
  • any desired application unit can be provided as the application device, in a particularly advantageous embodiment it is designed as an application unit operating according to a letterpress process, in particular a flexographic process, in particular a coating unit, with a letterpress form, e.g. a so-called coating plate.
  • the web-shaped substrate S on the input side can be processed into a product present on the output side as a sheet-shaped substrate S', in particular as an intermediate product of a final product to be produced from the sheet-shaped substrate S' by further processing.
  • an application device 02; 02' that operates according to a non-impact process or without printing form is also conceivable, if, for example, greater variability in the position of areas on the substrate S; S' that are not to be coated - because, for example, they are to be subsequently provided with glue - is to be enabled.
  • multiple application devices 02; 02' basically different types can be combined with each other, but application devices 02; 02' of the same type are preferred.
  • the application device 02; 02' is formed, for example, by a printing or coating unit 02; 02', the printing or coating forme of which, for example, is provided on a forme cylinder 24 that interacts directly or indirectly with the substrate S; S' and has, on the printing width and length corresponding to the blank(s), a printing subject (i.e., the distribution of the printing surface areas) for the full-surface print or application relative to the area of the blank(s), or a printing subject with less than 20% of the print-free area relative to the area of the blank(s).
  • a printing subject i.e., the distribution of the printing surface areas
  • a device 04 for cutting the Substrate web S into substrate sections S' e.g., a cross-cutting device 04 or a so-called cutting unit 04 is provided, by which the web-shaped substrate S, which is impinged with the fluid and preferably at least superficially hardened, is cut into arc-shaped substrate sections S'.
  • the cross-cutting device 04 is configured to separate substrate sections S' of different desired section lengths.
  • the machine comprises at least one drying and/or curing accelerating device 03; 03', e.g. at least one drying device 03; 03', between the device 01 for feeding the web-shaped substrate S on the input side and the cross-cutting device 04.
  • at least one such device 03, 03' is arranged on the side of the substrate path facing the first side, i.e. the side previously exposed to the fluid upstream, in particular in the immediately upstream treatment and/or processing step or the side directly upstream in the substrate port path, by the or an above-mentioned application device 02; 02'.
  • the or a similar Application device 02; 02' several such drying devices 03; 03';03" can be arranged downstream in the substrate path on the freshly applied first side of the substrate S (e.g. for all the described embodiments of the machine as an advantageous further development shown by way of example in Fig. 1 , on the right side of the Fig. 2 and in Fig. 4 for two, and on the left side of the Fig. 2 , in Fig. 3 as well as in Fig. 5 by way of example, even for three drying and/or curing accelerating devices 03; 03';03" connected to the same application device 02; 02', e.g. drying devices 03; 03';03").
  • At least one further device (not shown here) accelerating the drying and/or curing, in particular at least one drying device, can be provided in the substrate path on the second side of the still web-shaped substrate S opposite the side freshly exposed to the fluid.
  • the latter is particularly advantageous not only but especially in conjunction with a further development of the machine (not shown), in which at least one further, not shown, application device, in particular for the large-area or full-area application of fluid, is arranged upstream of the cross-cutting device 04 in the substrate path on the side of the substrate path lying on the second side of the substrate S, i.e. on the side opposite the first side of the substrate S to which one or more application devices 02; 02' apply fluid at least once or multiple times.
  • Such application on the second side of the substrate S can, for example, serve for a finishing process which either forms a fluid barrier on this side as well or, for example, a large-area or full-area background color.
  • the or at least one, several or all of the above-mentioned drying devices 03; 03';03" can advantageously be contactless, ie without contact with the substrate S, and preferably be designed as radiation-based dryer elements, e.g., IR or UV radiation-based with one or more corresponding radiation sources 19, or alternatively as hot-air-based dryer elements.
  • One or more such drying devices 03; 03';03", possibly not separated from one another by an application device 02; 02' in the substrate path, can be housed in an aggregate referred to as a dryer, e.g., a radiation or hot-air dryer, or, in the case of several such drying devices 03; 03';03", can be combined.
  • the substrate sections S' which have been refined at least on one side or, for example, exposed to fluid once or several times and preferably dried or hardened at least on the surface are fed as sheet-shaped substrate S' or substrate sheets S' for short via one or more suitable conveyor devices 12; 18 directly or indirectly to a delivery device 06, e.g. a stack delivery device 06, in which sheet-shaped substrate sections S' obtained in the machine by processing and/or machining are laid out, in particular combined into stacks 13.
  • a delivery device 06 e.g. a stack delivery device 06, in which sheet-shaped substrate sections S' obtained in the machine by processing and/or machining are laid out, in particular combined into stacks 13.
  • the substrate sheets S' thus lie after cross-cutting, they are presented as substrate sections S' which are stacked with their first side, which is finished or protected by a barrier layer, facing downwards and can be processed one or more times on their upper side, e.g. printed and/or varnished, in a later work step in another machine or advantageously directly afterwards inline with the first side facing downwards.
  • the application device 02 or application devices 02; 02' acting on the first side can be arranged in the substrate path in such a way that the application device 02; 02' in question - in particular when the substrate path is predominantly horizontal at the application point - is located with the application cylinder 24 on the substrate path below the substrate path or - in particular when the substrate path is predominantly vertical at the application point - on the substrate path on the side facing away from the device for input-side feeding 01 and/or that it prints substrate S guided on the substrate path on the underside, i.e. on the side of the substrate S facing downwards in the area of the application point and/or on the side facing away from the device for input-side feeding 01.
  • the downward-facing or underside does not have to run parallel to the horizontal, but can also be inclined to it.
  • the application device 02 or application devices 02; 02' acting on the first side is or are arranged in the substrate path in such a way that the application unit of the respective application device 02; 02' applying the fluid - in particular when the substrate path is predominantly horizontal at the application point, i.e. inclined at ⁇ 45° to the horizontal - is located on the substrate path above the substrate path or - in particular when the substrate path is predominantly vertical at the application point, i.e. inclined at > 45° to the horizontal - on the substrate path on the side of the substrate path facing the device for input-side feeding 01 and/or that it prints on the substrate S guided on the substrate path on its upper side.
  • the upwardly facing or upper side does not run parallel to the horizontal, but can also run at an angle to it.
  • a strand turning device 26 e.g. with two turning bars running in particular at right angles to each other, can be provided in the substrate pad between the only or downstream last application device 02; 02' and the cross-cutting device 04.
  • the incoming side on the input side as the upper side e.g. the first side of a substrate web S
  • the incoming side on the input side as the upper side e.g. the first side of a substrate web S
  • the previously lower side e.g. the second side
  • a sheet turning device e.g. a turning drum
  • the above-mentioned position of the application device 02; 02' refers to the position of the fluid-carrying or fluid-applying parts of this application device 02; 02', e.g. the above-mentioned forme cylinder 24 together with the means for supplying fluid to it, or a non-impact printing device in the case of an application device 02; 02' operating without a printing form.
  • an abutment such as an impression cylinder or a supporting guide or even a fluid-carrying cylinder of another printing or coating unit, e.g. supplying the second side with the same or a different fluid, is provided on the opposite side of the substrate path.
  • the substrate sheets S' - in particular finished and/or coated in the manner described above - are conveyed via one or more of the above-mentioned conveying devices 12; 18 of the delivery device 06 or, in an alternative embodiment of the machine, via at least one first conveying device 12, first to one or more further application devices 07; 08; 09, e.g. one or more printing units 07; 08, in particular sheet-fed printing units 07; 08, and/or one or more several coating units 09, in particular sheet-fed coating units 09, for further processing of the then sheet-shaped substrate S' - in particular on its second side.
  • the substrate sheets S' are transported through the one or more further application devices 07; 08; 09 and optionally between them, preferably via a series of transport and impression cylinders by means of a successive sheet transfer from cylinder to cylinder.
  • the machine can also be referred to as a printing press, in particular a sheet-fed printing press, which comprises a finishing section arranged upstream of the at least one printing unit 07; 08, with at least one above-mentioned application device 02; 02' and at least one above-mentioned drying and/or curing-accelerating device 03; 03';03".
  • the incoming substrate sections S' into an imbricated stream, in particular for the first-mentioned case (i.e. with further processing) with an under-imbricating of the respective substrate section S' at its trailing end by the leading end of the respective subsequent substrate section S' and/or for the second case (i.e. a direct feed into the delivery device 06) with an over-imbricating of the respective substrate section S' at its trailing end by the leading end of the respective subsequent substrate section S'.
  • the first-mentioned case i.e. with further processing
  • the second case i.e. a direct feed into the delivery device 06
  • a so-called web storage 27, e.g. a substrate path that can be varied in the loop length of several web loops, can be provided in an advantageous embodiment between the device 01 for the inlet-side feeding and the single or downstream first application device 02; 02' (e.g. for all the presented embodiments of the machine as an advantageous further development shown by way of example in Fig. 3 ).
  • the flexographic units are preferably designed - e.g. in a closed manner - with the fluid supply via an anilox roller 29 and a chambered doctor blade 31.
  • one or preferably several printing units 07; 08 are arranged downstream of the cross-cutting device 04. More than two such application units 02; 02' can also be provided.
  • Application in the manner of a flexographic printing process usually enables high printing speeds, and in the case of two or more such application units 02; 02', better area coverage can also be achieved, in particular in the case of an application unit 02, 02' comprising an anilox roller 29.
  • the respective or common unit 02; 02';03;03';03"; 02, 03; 02, 03, 03'; 02, 03, 03', 03";02',03;02', 03, 03';02', 03, 03', 03" is designed in the manner of a module, so that it can be connected on its upstream and downstream sides without major assembly effort via a pre-prepared interface to a pre-prepared interface of the adjacent device 01; 04 upstream or downstream in the respective operating mode.
  • the units 02; 02'; 03; 03'; 03" each individually, or as groups with one application device 02; 02' and one or more drying and/or curing accelerating devices 03; 03'; 03" assigned to this application device 02; 02', or as a whole as a finishing unit 02, 03; 02, 03, 03'; 02, 03, 03', 03"; 02', 03; 02', 03, 03'; 02', 03, 03', 03"; etc. can be inserted and removed as desired.
  • an upstream last web guide element 21 of the cross-cutting device 04 and a last web guide element 22 of the sole or first application device 02, viewed upstream, are preferably each at a - preferably the same - height, so that the web-shaped substrate S can be guided from a downstream last web guide element 23 of the roll unwinder 01 in the absence of the application device 02 or application devices 02; 02' and the drying and/or curing accelerating device 03 or devices 03; 03';03" without interference to the upstream last web guide element 22 of the cross-cutting device 04 and in their presence without interference to the upstream last web guide element 22 of the sole or, viewed upstream, last application device 02.
  • a mechanical interface to the drive system must be prepared and, in the case of a drive that is mechanically independent of the cross-cutting device 04, an interface to a line connection carrying an electronic master axis, e.g. a bus system.
  • a movement path with means enabling the movement e.g. a rail system 16 and on the aggregate 02; 02'; 03; 03'; 03"; 02, 03; 02, 03, 03'; 02, 03, 03', 03"; 02', 03; 02', 03, 03'; 02', 03, 03', 03"; 02, 03, 03', 03', 03"; etc.
  • a movement path with means enabling the movement e.g. a rail system 14 and rolling elements arranged on the cross-cutting device 04 and/or preferably on the roll unwinder 01, can preferably be provided, via which or by means of which, in the absence of the or all application devices 02; 02' and the or all drying devices 03; 03'; 03" or dryers, the roll unwinder 01 and the cross-cutting device 04 can be connected into a closer relative position to one another, in particular via which the roll unwinder 01 can be moved further towards the cross-cutting device 04.
  • web-shaped substrate S When working and/or processing web-shaped substrate S, web-shaped substrate S is first fed from a substrate roll 11 storing the substrate. unwound, the web-shaped substrate S is exposed to an above-mentioned fluid one or more times on a first side by at least one above-mentioned application device 02, 02', the substrate S exposed to fluid is dried and/or cured at least superficially after each application by at least one drying and/or curing accelerating device 03; 03';03", and the substrate S exposed to fluid is cut into substrate sections S' with the at least superficially dried and/or cured fluid by a cross-cutting device 04. The substrate sections S' are combined downstream in the delivery device 06 to form one or more stacks 13.
  • the substrate sections S' are printed one or more times and/or varnished one or more times inline on the second side opposite the first side downstream of the cross-cutting and before being combined into stacks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (15)

  1. Dispositif pour la fourniture de sections de substrat (S') en forme de feuille avec un dérouleur de bobine (01) pour amener côté entrée un substrat (S) en forme de bande, avec au moins un système d'application (02) pour solliciter le substrat (S) en forme de bande sur une première face avec un fluide, en aval du système d'application (02, 02') avec un système (03 ; 03' ; 03") accélérant le séchage et/ou durcissement, pour faire court un système de séchage (03 ; 03' ; 03"), et avec un système de coupe transversale (04), par lequel le substrat (S) en forme de bande peut être découpé en sections de substrat (S') en forme de feuille et à la sortie duquel ces sections de substrat (S') peuvent être fournies pour un traitement ultérieur ou une distribution sur un dispositif de réception, caractérisé en ce que pour la réalisation d'une couche barrière à la façon d'un revêtement, qui empêche une entrée ou pénétration de milieux gazeux, liquides ou pâteux avoisinants dans ou à travers le matériau de substrat, deux systèmes d'application (02 ; 02') agissant sur la même première face et formés par des groupes de vernissage (02 ; 02') pour solliciter la même première face de la bande de support d'impression (S) avec du vernis formant la couche barrière ainsi qu'un système de séchage (03 ; 03' ; 03") entre le système de coupe transversale (04) et le premier groupe de vernissage (02 ; 02') vu en amont sont prévus dans le trajet de substrat du substrat (S) en forme de bande entre le dérouleur de bobine (01) et le système de coupe transversale (04) et un système de séchage (03 ; 03' ; 03") est prévu dans le trajet de substrat entre les deux groupes de vernissage (02 ; 02').
  2. Dispositif selon la revendication 1, caractérisé en ce que seuls les groupes de vernissage (02 ; 02') agissant sur la première face sont prévus en tant que systèmes d'application (02 ; 02') dans le trajet de substrat entre le dérouleur de bobine (01) et le système de coupe transversale (04).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les groupes de vernissage (02 ; 02') sont formés par des groupes de vernissage flexographiques (02 ; 02').
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce que les groupes de vernissage (02 ; 02') sollicitant la première face du substrat (S) sont conçus respectivement pour solliciter le substrat (S) sur au moins la surface formant les poses multiples d'une traite sur toute la surface ou sur une grande surface avec du vernis, c'est à dire de telle sorte qu'une application s'effectue au moins sur toute la surface ou au moins sur 80 % de la surface du substrat (S), laquelle est occupée par la ou les poses multiples prévues sur les sections de substrat (S') et/ou que les systèmes d'application (02 ; 02') sollicitant la première face du substrat (S) sont formés par les groupes de vernissage (02 ; 02') dont le cliché de vernissage prévu sur un cylindre porte-cliché (24) respectif, sur la largeur d'impression et longueur d'impression correspondant à la ou aux poses multiples, présente un motif d'impression pour l'impression sur toute la surface par rapport à la surface de la ou des poses multiples ou un motif d'impression avec une surface sans impression inférieure à 20 % par rapport à la surface de la ou des poses multiples.
  5. Dispositif selon la revendication 1, 2, 3 ou 4, caractérisé en ce que les groupes de vernissage (02, 02') sont disposés dans le trajet de substrat et la conduite sur le trajet de substrat entre les groupes de vernissage (02 ; 02') et en aval du dernier groupe de vernissage (02, 02') vers le système de coupe transversale (04) est réalisée de telle sorte que le substrat (S ; S') sollicité par les groupes de vernissage (02 ; 02') sur la première face quitte le système de coupe transversale (04) avec la première face orientée vers le bas.
  6. Dispositif selon la revendication 5, caractérisé en ce que les groupes de vernissage (02 ; 02') sollicitant la première face du substrat (S) sont disposés dans le trajet de substrat de telle sorte que le groupe de vernissage (02 ; 02') respectif se trouve à l'endroit de l'application sous le trajet de substrat ou sur la face du trajet de substrat opposée au système d'amenée côté entrée (01) et/ou qu'ils sollicitent le substrat (S) conduit sur le trajet de substrat sur la face inférieure de celui-ci, c'est à dire sur celle orientée vers le bas des deux faces de substrat, avec le vernis.
  7. Dispositif selon la revendication 5, caractérisé en ce que les groupes de vernissage (02 ; 02') sollicitant la première face du substrat (S) sont disposés dans le trajet de substrat de telle sorte que le groupe de vernissage (02 ; 02') respectif se trouve à l'endroit de l'application au-dessus du trajet de substrat ou sur le trajet de substrat sur la face du trajet de substrat tournée vers le système d'amenée côté entrée (01) et/ou qu'ils impriment sur le substrat (S) conduit sur le trajet de substrat sur la face supérieure de celui-ci, c'est à dire sur celle dirigée vers le haut des deux faces de substrat, et/ou que dans le trajet de substrat entre le dernier groupe de vernissage (02, 02') aval et le système de coupe transversale (04) est prévu un système de retournement à barre (26) pour renverser la bande de substrat (S), par lequel la face d'une bande de substrat (S) arrivant côté entrée en tant que face supérieure est tournée vers le bas et inversement la face auparavant inférieure est tournée vers le haut.
  8. Machine pour le traitement et/ou la transformation d'un substrat (S) en forme de bande avec une première partie de machine, laquelle comprend un dérouleur de bobine (01) pour l'amenée côté entrée du substrat (S) en forme de bande, au moins un système d'application (02) pour solliciter le substrat (S) en forme de bande sur une première face avec un fluide, et un système de coupe transversale (04) pour découper le substrat (S) en forme de bande en sections de substrat (S') en forme de feuille, et avec une deuxième partie de machine directement adjacente à la première partie de machine avec un trajet de substrat conduisant les sections de substrat (S') à travers la deuxième partie de machine, sur laquelle les sections de substrat (S') sortant du système de coupe transversale (04) sont remises en ligne et laquelle mène côté sortie dans un système de réception (06), dans lequel les sections de substrat (S') traitées et/ou transformées dans la machine peuvent être reçues, dans laquelle la machine comprend dans le trajet de substrat de la première partie de machine entre le système de coupe transversale (04) et le seul ou premier système d'application (02 ; 02') vu en amont un système (03 ; 03' ; 03") accélérant le séchage et/ou durcissement, pour faire court un système de séchage (03 ; 03' ; 03"), caractérisé en ce que dans la première partie de machine pour la réalisation d'une couche barrière à la façon d'un revêtement, qui empêche une entrée ou pénétration de milieux gazeux, liquides ou pâteux avoisinants dans ou à travers le matériau de substrat, deux systèmes d'application (02 ; 02') agissant sur la même première face et formés par des groupes de vernissage (02 ; 02') pour solliciter la même première face de la bande de support d'impression (S) avec du vernis formant la couche barrière sont prévus dans le trajet de substrat du substrat (S) en forme de bande entre le dérouleur de bobine (01) et le système de coupe transversale (04) et un système de séchage (03 ; 03' ; 03") est prévu entre le système de coupe transversale (04) et le premier groupe de vernissage (02 ; 02') vu en amont et un système de séchage (03 ; 03' ; 03") dans le trajet de substrat entre les deux groupes de vernissage (02 ; 02'), et dans laquelle dans le trajet de substrat entre le système de coupe transversale (04) et le système de réception (06) sont prévus un ou plusieurs groupes d'impression de feuille (08 ; 09), par lesquels les sections de substrat (S') peuvent être imprimées sur leur deuxième face opposée à la première face avec une image d'impression.
  9. Machine selon la revendication 8, caractérisée en ce que les groupes de vernissage (02 ; 02') sollicitant la première face du substrat (S) sont conçus pour solliciter le substrat (S) sur au moins la surface formant les poses multiples d'une traite sur toute la surface ou sur une grande surface avec du vernis, c'est à dire de telle sorte qu'une application s'effectue au moins sur toute la surface ou au moins sur 80 % de la surface du substrat (S), laquelle est occupée par la ou les poses multiples prévues sur les sections de substrat (S').
  10. Machine selon la revendication 8 ou 9, caractérisée en ce que dans le trajet de substrat de la première partie de machine en tant que groupe de vernissage (02, 02') est prévu respectivement un groupe d'application (02 ; 02') fonctionnant selon un procédé de flexographie ou selon un procédé de sérigraphie.
  11. Machine selon la revendication 8, 9 ou 10, caractérisée en ce que dans le trajet de substrat entre le système de coupe transversale (04) et le système de réception (06) sont prévus un ou plusieurs groupes de vernissage de feuille (09), par lesquels les sections de substrat (S') peuvent être sollicitées sur leur deuxième face opposée à la première face avec du vernis.
  12. Machine selon la revendication 8, 9, 10 ou 11, caractérisée en ce que la première partie de machine est réalisée dans le mode de réalisation d'un dispositif pour la fourniture de sections de substrat (S') en forme de feuille selon l'une quelconque des revendications 2 à 7.
  13. Machine selon la revendication 8, 9, 10, 11 ou 12, caractérisée en ce qu'au moins un groupe de vernissage (02 ; 02') agissant dans le trajet de substrat conjointement avec la bande de substrat (S) et au moins un système (03) monté à la suite, accélérant le séchage et/ou durcissement peuvent chacun être retirés du trajet de substrat conduisant à travers la machine et/ou de l'alignement de machines et peuvent être réintroduits dans celui-ci individuellement en tant que modules ou conjointement en un module, et qu'un trajet de déplacement avec des moyens permettant un déplacement sont prévus, par l'intermédiaire desquels ou au moyen desquels le groupe de vernissage (02) et/ou le système (03) accélérant le séchage et/ou durcissement peut être sorti latéralement de l'alignement de machines en tant qu'ensemble (02 ; 03 ; 02, 03) respectif ou commun, et/ou qu'un trajet de déplacement avec des moyens permettant un déplacement sont prévus, par l'intermédiaire desquels ou au moyen desquels après le retrait de chaque groupe de vernissage (02 ; 02') et de chaque système (03 ; 03' ; 03") accélérant le séchage et/ou durcissement du trajet de substrat et/ou de l'alignement de machines le système (01) pour l'amenée côté entrée et le système de coupe transversale (04) peuvent être amenés dans une position relative voisine plus près l'un de l'autre.
  14. Procédé pour le traitement et/ou la transformation d'un substrat (S) en forme de bande, dans lequel le substrat (S) en forme de bande est déroulé d'un rouleau de substrat (11) stockant le substrat (S) et est pourvu sur une première face réalisant la face arrière ou intérieure dans le produit ultérieur d'une couche barrière, qui empêche une entrée ou pénétration de milieux gazeux, liquides ou pâteux avoisinants dans ou à travers le matériau de substrat, du fait que
    - sur la première face du substrat (S) en forme de bande formant la face arrière ou intérieure dans le produit ultérieur une application multiple sur toute la surface ou au moins sur une grande surface, c'est à dire sur toute la surface ou au moins sur 80 % de la surface de poses multiples du substrat (S), s'effectue l'application d'un vernis réalisant la couche barrière par plusieurs systèmes d'application (02 ; 02') formés par des groupes de vernissage (01 ; 01') avec une épaisseur de couche d'au moins 5 µm au total,
    - le substrat (S) en forme de bande sollicité avec le vernis est séché et/ou durci en aval de chaque groupe de vernissage (02 ; 02') par au moins un système (03 ; 03' ; 03'') accélérant le séchage et/ou durcissement, pour faire court un système de séchage (03 ; 03' ; 03"), au moins dans la zone de l'application de vernis au moins en surface,
    - le substrat (S) sollicité avec le vernis, avec le vernis séché et/ou durci, est découpé au moins en surface par un système de coupe transversale (04) en sections de substrat (S')
    - et les sections de substrat (S') sont réunies en aval dans un système de réception (06) en une ou plusieurs piles (13).
  15. Procédé selon la revendication 14, caractérisé en ce que les sections de substrat (S') quittent le système de coupe transversale (04) avec la première face sollicitée avec le vernis orientée vers le bas et/ou sont transportées par un système de transport (12) à partir de la coupeuse transversale (04) en aval dans une partie de la machine traitant et/ou transformant les feuilles, où elles sont imprimées une ou plusieurs fois en ligne sur leur face dirigée vers le haut et/ou sur la face opposée à la première face et/ou sont vernies une ou plusieurs fois et/ou sont empilées avec la première face orientée vers le bas dans le système de réception (06).
EP22769633.3A 2021-12-07 2022-08-26 Dispositif permettant de fournir des sections de substrat incurvées et machine et procédé de traitement d'un substrat de type bande Active EP4396000B1 (fr)

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DE102021132121.2A DE102021132121A1 (de) 2021-12-07 2021-12-07 Maschine sowie Verfahren zum Be- und/oder Verarbeiten von bahnförmigem Substrat
PCT/EP2022/073795 WO2023104361A1 (fr) 2021-12-07 2022-08-26 Dispositif permettant de fournir des sections de substrat incurvées et machine et procédé de traitement d'un substrat de type bande

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DE102024102733A1 (de) * 2024-01-31 2025-07-31 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zum Betreiben einer Rollendruckmaschine

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DE10103040B4 (de) 2000-05-16 2007-05-24 Heidelberger Druckmaschinen Ag Verfahren zur Bildung einer Folge von unterlappten Bögen
DE10235872A1 (de) * 2002-07-30 2004-02-19 Ebe Hesterman Satellitendruckmaschine zum Bedrucken von bogenförmigen Substraten
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CN118139745A (zh) 2024-06-04
EP4396000A1 (fr) 2024-07-10
US12151464B2 (en) 2024-11-26
US20240326403A1 (en) 2024-10-03
DE102021132121A1 (de) 2023-06-07

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