EP2308684A1 - Presse rotative à format variable - Google Patents

Presse rotative à format variable Download PDF

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Publication number
EP2308684A1
EP2308684A1 EP20100008499 EP10008499A EP2308684A1 EP 2308684 A1 EP2308684 A1 EP 2308684A1 EP 20100008499 EP20100008499 EP 20100008499 EP 10008499 A EP10008499 A EP 10008499A EP 2308684 A1 EP2308684 A1 EP 2308684A1
Authority
EP
European Patent Office
Prior art keywords
printing
web
paper web
devices
printing devices
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.)
Withdrawn
Application number
EP20100008499
Other languages
German (de)
English (en)
Inventor
Peter Knauer
Helmut Schnell
Theo Keilhau
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.)
Manroland AG
Original Assignee
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP2308684A1 publication Critical patent/EP2308684A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F17/00Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/02Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing books or manifolding sets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F11/00Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F23/00Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403Drying webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66Applications of cutting devices
    • B41J11/663Controlling cutting, cutting resulting in special shapes of the cutting line, e.g. controlling cutting positions, e.g. for cutting in the immediate vicinity of a printed image
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00Actions or mechanisms not otherwise provided for
    • B41J25/304Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/316Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/44Moving, forwarding, guiding material
    • B65H2301/443Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00Constructional details of the handling apparatus
    • B65H2402/10Modular constructions, e.g. using preformed elements or profiles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/727With means to guide moving work
    • Y10T83/73Guide fixed to or integral with stationary tool element
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/727With means to guide moving work
    • Y10T83/744Plural guide elements

Definitions

  • the present invention relates to a web-fed printing press, in particular a format-variable letterpress printing press according to claim 1.
  • Web presses are known from the prior art in principle, for example, from standard textbooks for web offset printing. So are off Wolfgang Walenski, The Web Offset Printing, 1995, pp. 98-103 For example, web presses for letterpress printing known. Likewise, such web presses are for printing out Helmut Teschner, Offsetdrucktechnik, 1997, p. 10/76 - 10/82 known.
  • web presses are out of the printing press DE 40 30 863 A1 It is known where a web-fed rotary printing machine is described, which has two successive longitudinal folding devices with two formers, wherein the first longitudinal folding device is arranged rotated by 90 ° relative to the second.
  • the mentioned web presses are all designed as rotary printing machines, so use for applying ink to a paper web rotating printing cylinder in the form of plate cylinders carrying the printing plates and in the form of transfer cylinders or rubber cylinders, which transfer the ink from the plate cylinder to the paper web.
  • p 10/76 is already pointed to the problem of procedural disadvantages due to fixed cylinder peripheries, but there is still working with web offset printing machines, so with web presses having rotating printing cylinder.
  • printing presses and also folders with fixed cylinder circumference and thus fixed printing section or printing format are used in web-fed printing presses, in particular in letterpress web presses.
  • the plate cylinder and transfer cylinder or blanket cylinder have a fixed, defined scope, are also the associated folders set up to these fixed volumes and thus fixed print formats.
  • the producible print formats and printed products are always the same over the entire life of the web press, given by the fixed peripheries of the cylinders.
  • Such fixed formats and, however, are not economically and / or technically optimized especially for short runs (eg less than 1000 pieces) and very small runs (eg smaller than 100 pieces).
  • the production costs of printing plates and the set-up time for printing plate change have a much greater effect on the production costs of the printed products for smaller runs than on printed products that are printed in always the same print format in large numbers (eg of thousands).
  • the same can also apply to newspaper printing and commercial printing with short runs and very small print runs, especially for contract printers, who have to provide constantly changing print products on behalf of a large number of customers and publishers.
  • the object of the present invention is to overcome the disadvantages of the prior art. This object is achieved by the features of claim 1.
  • a first subject of the invention relates to a web-fed printing press with printing units having printing devices or groups of printing devices for applying printing ink to a paper web.
  • the printing devices or groups of printing devices are all formed free of rotating printing cylinders.
  • the printing units for applying printing ink are also suitable for applying to any other type of liquid substance which is to be applied to a paper web, such as, for example, varnish, liquid adhesives, dampening solution or the like.
  • the paper web on a roll does not have this limitation, as it has virtually "infinite" extension - limited only by the web width of the web - and allows the printing of any size formats.
  • the print formats of a print image or a print page can be characterized in particular by the length (extension in the direction of the paper web) and / or the width (extension in the direction transverse to the paper web), but also by the orientation (distance of the print image from the edge of the paper web , Distances between the print images, angle between the image longitudinal edge and the direction of travel of the paper web) on the paper web differ.
  • An embodiment or an alternative of the invention provides that the printing devices or groups of printing devices are designed for non-contact application of printing ink to the paper web. These can be designed in particular as a device for dripping or spraying ink with the aid of a dripping device or nozzle device, for example in the form of an inkjet device. This avoids direct contact between the paper web and printing devices and enables a variable-format application of printing ink to the paper web.
  • the direction of the paper web in the context of this invention does not define a global fixed plane in space, because the paper web undergoes several changes of direction and possibly also wraps, as the figures clearly show. However, it is for the expert locally - ie for each web section of the paper web - each one clear spatial direction from the local direction of the paper web determined.
  • An embodiment of the invention provides that the printing devices or groups of printing devices have a nozzle device for spraying ink onto the paper web, for example in the form of an inkjet device.
  • An embodiment of the invention provides that printing devices or groups of printing devices are mounted from a printing position swiveling or displaceable. This panning or shifting may be e.g. used for the maintenance or replacement of the printing devices or groups of printing devices.
  • An embodiment of the invention provides that printing devices or groups of printing devices or printing devices adjacent Brucreamieri are mounted displaceable perpendicular to the web plane for guiding the paper web. This can be used in particular for the relative alignment of the printing devices or groups of printing devices or the web guide elements to each other and / or relative to the paper web.
  • An embodiment of the invention provides that printing devices or groups of printing devices or the printing devices adjacent web guide elements for guiding the paper web by a control device so perpendicular to the web plane controlled or regulated are displaced, that in each case a predefined distance between the paper web and the printing devices is maintained. This may be necessary in particular in printing devices which have a nozzle device.
  • An embodiment of the invention provides that the individual printing devices of a group of printing devices are each designed to apply different printing inks. It can therefore be provided in principle that printing devices print the paper web with only a single ink. However, it can also be provided that printing devices are provided for printing various printing inks, wherein in each case certain printing devices for printing different printing inks are combined to form a group. These groups are characterized for example by a similar spatial arrangement or a common control.
  • Fig. 1 shows a web-fed printing press, in particular a variable-format heatset web press, for example, for letterpress or commercial printing.
  • This has a roll changer 101, from which a paper web 108 is unwound and is guided by printing units 102a, 102b. Subsequently, the paper web is guided to a folding apparatus 103, which comprises: a web turning device 104, for example in the form of a turning bar device, a folding module 105, a cutting module 106 and a display module 107.
  • the folding module 105 can also be omitted or it can be at least bypassed, as will be described below in connection with the FIG. 25 ,
  • the Fig. 4 to 15 show that the printing units 102a, 102b have printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d, all of which are free of rotating printing cylinders.
  • the printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d are designed for contactless application of printing ink to the paper web 108.
  • the printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d are inkjet printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of inkjet printing devices 109, 109a, 109b, 109c, 109d.
  • the printing devices 109, 109a, 109b, 109c, 109d each have a nozzle device 139 for spraying printing ink onto the paper web 108. These nozzle devices are only in the Fig.
  • Fig. 2 shows again the web press Fig. 1 with an associated control device 20.
  • the control device 20 is provided on the one hand for controlling and / or regulating the printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d.
  • the control device 20 is at least also provided for controlling and / or regulating a - at least one cutting device 6 for cutting at least part of the paper web 108 - here motor-driven.
  • the cutting device 6 is after Fig. 2 and Fig.
  • the motor actuator 28 is according to FIG. 2 and Fig. 24 designed as a drive motor.
  • the control and / or regulation of the actuating device 28 is effected as a function of printing format settings 25, 26 for the printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d.
  • the control device 20 is designed to control and / or regulate the motorized actuating device 28 as a function of prestored or precalculated control cams 27.
  • control device 20 has a computing device or data device 24 designed as a data memory, in which control cams 27 are stored or calculated.
  • the variation of the angular velocity wS, wS 'now takes place Fig. 3 such that upon contact of a cutting blade 16 with the paper web at time tK, the angular velocity wS, wS 'of the cutting device 6 and thus also of each cutting blade 16 - or more precisely the tangential component of the rotational speed of the contacting cutting blade 16 in the direction of travel of the paper web at time tK - Equal to the conveying speed vB of the paper web 108, that is equal to the speed vB, with which the paper web 108 moves through the printing press.
  • the rotational speed is adjusted per revolution of the rotating cutting device so that at least when the contact between the cutting blade 16 and the paper web 108 are both equally fast, there is no relative velocity between the two at the point of contact. If, in this case, the angular velocity wS of the cutting device 6 and thus also of each cutting blade 16 - or more precisely the tangential component of the rotational speed of the contacting cutting blade 16 in the running direction of the paper web 108 is smaller than the conveying speed vB of the paper web 108, then at the time tK of the contact between Cutting blade 16 and paper web 108 towards an acceleration of the cutting blade 16 on conveying speed vB.
  • the angular velocity ws' of the cutting device 6 and thus also of each cutting blade 16 - or more precisely, the tangential component of the rotational speed of the contacting cutting blade 16 in the direction of the paper web 108 is greater than the conveying speed vB of the paper web 108, then at the time tK of the contact between Cutting knife 16 and paper web 108 toward a delay of the cutting blade 16 on conveying speed vB. As a result, a tearing or picking of the paper web 108 is avoided in each case.
  • the control device 20 has a control and / or regulating module 21 which communicates with the data device 24 and with the pressure devices 109, 109a, 109b, 109c, 109d and the motorized actuating device 28 - ie the drive motor - the cutting device 6 in terms of data technology.
  • Fig. 2 shows Fig. 2 in that the control device 20 has or can at least comprise a further data memory 22 in which print format settings 26 are stored and which is connected to the control and / or regulating module 21 via a data-technical connection.
  • print format settings 26 may be in the form of prestored data on print image formats or printed page formats, in particular in the form of data on the length (extent in the direction of travel of the paper web 108) and / or width (extent in the direction transverse to the paper web 108), but also for the alignment (distance of the print image from the edge of the paper web 108, distances between the print images, angle between the image longitudinal edge and the direction L of the paper web 108) to be stored.
  • control device has or can at least comprise a data processing device 23 in which print format settings 25 can be calculated and / or processed, in particular in the form of data on the length (extension in the direction of travel of the paper web 108) and / or the width (extension in the direction transverse to the paper web 108), but also to the orientation (distance of the print image from the edge of the paper web 108, distances between the print images, angle between the image longitudinal edge and the direction L of the paper web 108).
  • pre-stored data on print image formats or printed page formats stored in the data memory 22 can be read out, changed and / or edited, and / or new or modified data can be transmitted to other print media via other interfaces. Formats or printed page formats are read in via the data processing device 23 and transmitted via a data link to the control and / or regulating module 21 of the control device 20.
  • FIGS. 4 to 6 now show examples of the internal structure of the printing units 102a, 102b.
  • the paper web 108 is guided successively through the printing units 102a, 102b, for example via suitable deflection rollers or other web guiding elements.
  • the paper web 108 is guided over web guiding elements 130, such as, for example, back-up rolls, which guide the printing devices 109a, 109b, 109c, 109d are adjacent.
  • web guiding elements 130 such as, for example, back-up rolls, which guide the printing devices 109a, 109b, 109c, 109d are adjacent.
  • These web guide elements 130 or support rollers are opposite the printing devices 109a, 109b, 109c, 109d on the other side of the paper web 108.
  • the web guide elements 130 and / or backup rollers serve to guide the paper web 108 and to ensure that a predefined distance between the paper web 108 and the printing devices 109a, 109b, 109c, 109d is maintained in each case.
  • This distance may in principle be fixed, but it may also be controlled or regulated by a control device such as the control device 20, for example by the fact that the printing devices 109a, 109b, 109c, 109d or the web guide elements 130 are displaceable perpendicular to the web plane of the paper web 108, as indicated by the double arrows in Fig. 4 indicated.
  • FIGS. 4 to 6 further show at least one respective dryer 110, which is each downstream of one of the printing units 102a, 102b in the direction of the paper web 108 L.
  • the direction of travel L of the paper web in the context of this invention does not define a global fixed plane in space, because the paper web 108 undergoes several changes of direction and possibly also wraps, such as Fig. 1 clearly shows. However, it is for the expert locally - ie for each web section of the paper web 108 - each a clear spatial direction from the local direction L of the paper web 108 determined.
  • FIG. 4 now shows an embodiment in which each dryer 110 is structurally integrated into a printing unit 102a, 102b.
  • Each dryer 110 can be structurally or spatially integrated into a printing unit 102a, 102b in such a way that influencing of the printing devices 109a, 109b, 109c, 109d by the dryer operation is avoided.
  • each of the dryers 110 may be spatially disposed over the printing devices 109a, 109b, 109c, 109d of the respective printing unit 102a, 102b, as in FIG Fig. 6 shown. This avoids the risk that resulting heat rises and heats the pressure devices 109a, 109b, 109c, 109d in an undesired manner.
  • the dryer 110 can also be arranged below the printing devices 109a, 109b, 109c, 109d of the respective printing unit 102a, 102b, as in FIG Fig. 5 shown.
  • the inkjet printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d are fixed transversely to the running direction L of the paper web 108 during the printing process .
  • inkjet printing devices 109, 109a, 109b, 109c, 109d movement of the printing devices 109, 109a, 109b, 109c, 109d in the normal printing operation is unnecessary, and the number of moving parts is thereby significantly minimized.
  • printing devices 109, 109a, 109b, 109c, 109d or groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d from a printing position by suitable bearings (eg eccentric or Lever) swiveled or slidably mounted by suitable bearings or guides (eg rails or plain bearings).
  • suitable bearings eg eccentric or Lever
  • suitable bearings or guides eg rails or plain bearings
  • the printing devices 109 and a whole group 119 of printing devices 109 can extend across the full width of the paper web 108 transversely to the running direction L of the paper web 108.
  • the various printing devices 109 serve to print different inks. However, it may also be provided only a single pressure device 109 over the full width of the paper web 108, as indicated by the dashed lines in the representation of the other printing devices 109. These are possible, but not necessarily mandatory.
  • FIGS. 8 to 15 show printing devices 109a, 109b, 109c, 109d or groups 119a, 119b, 119c, 119d of printing devices 109a, 109b, 109c, 109d transversely to the direction L of the paper web 108 each extend over only a portion of the width of the paper web 108. But then it is after the FIGS. 8 to 15 provided that printing devices 109a, 109b, 109c, 109d or groups 119a, 119b, 119c, 119d of printing devices 109a, 109b, 109c, 109d are arranged offset from each other transversely to the running direction L of the paper web 108.
  • Typical paper web widths of web presses can be larger than 1 m, sometimes even significantly larger.
  • the Pressure devices extending transversely to the direction of the paper web in each case only over part of the width of the paper web, but offset from each other, so can be dispensed on the one hand consuming and expensive full-width printing devices, on the other hand, the full paper web width printed anyway.
  • FIGS. 8 to 10 show examples in which two printing devices 109a, 109b are provided, which can each print half a paper web width.
  • the printing devices 109a, 109b do not necessarily have to print exactly half of the paper web width in each case. It can either be provided that printing devices 109a, 109b overlap in the running direction (L) of the paper web 108 transversely to the running direction L of the paper web 108 in at least one overlapping region 111. This overlapping area 111 is thus printed by both printing devices 109a, 109b, such as Fig. 9 shows.
  • the printing devices 109a, 109b seen in the direction L of the paper web 108 are transverse to the direction L of the paper web 108 by at least one distance range 112 spaced from each other. In this distance range 112, therefore, neither of the two printing devices 109a, 109b prints.
  • FIGS. 11 to 15 ie even with more than two printing devices 109, 109a, 109b, 109c, 109d, one or more overlapping regions 111 and / or one or more spacer regions 112 may be analogous to Fig. 9 and 10 be provided.
  • an overlapping area 111 or a spacing area 112 lies in each case in the region of a fold line 113, 114, 115 or in each case at least one such fold line 113, 114, 115 in an overlapping area 111 or a spacing area 112, as in FIGS Figures 9 and 10 shown. The same applies to the
  • Fold lines 113, 114, 115 in the other figures.
  • Fig. 18 - 20 show, then the arrangement of folding devices T1, T2 and the web guide of the paper web 108 is arranged in the folding apparatus 103 so that the fold lines 113, 114, 115 respectively the fold of the paper web 108 through one of the folding devices T1, T2 - ie a line to Tip of formers - define.
  • FIGS. 7 . 11 to 13 and 15 show arrangements for printing multiple inks in a row. These are differentiated by different hatching.
  • a plurality of printing devices 109, 109a, 109b, 109c, 109d - arranged in groups 119, 119a, 119b of printing devices 109, 109a, 109b, 109c, 109d - are arranged one behind the other. These groups result from the common printing of a portion of the paper web 108 and / or by a common control by the control device 20.
  • FIG. 13 shows that the printing devices 109a, 109b, 109c, 109d may alternatively or additionally also transverse to the direction L of the paper web 108 each have a plurality of segments 129 for applying different printing inks. These are differentiated by different hatching.
  • FIG. 16 shows a folding apparatus 103 which is downstream of the printing units 102a, 102b or pressure units 102a, 102b can be arranged downstream and after Fig. 16 a plurality, in the running direction L of the paper web 108 arranged in series folding devices T1, T2 in the form of formers has.
  • the folding devices T1, T2 are each arranged in a funnel module TM1, TM2.
  • TM1, TM2 As in Fig. 25 will be explained, but in the context of the invention can also be dispensed with the folding devices T1, T2 or these can be at least bypassed.
  • Folding apparatus 103 includes a web turning device 104, for example in the form of a turning bar device, a folding module 105 (in the execution of Fig. 25 omitted), a cutting module 106 and a display module 107th
  • Cutting module 106 and delivery module 107 include the following components: a first train group 1 (driven in the example by a separate motor), a strand separation device 2, a second train group 3, an optionally optional cutting register camera 4 for optical monitoring of the operation and the function of the cutting device 6 and for supplying corresponding monitoring data to the control device (20), a small pull group 5, a cutting device 6 with drive motor 28, a paper sheet transport element 131 in the form of a ribbon cable, a Abschwenkvorides 7 for the paper sheet transport element 131, a (on product length or Printing device) adjustable belt roller 8, a drive 9 for the ribbon cable 7, a device 10 for slowing down the transport movement of paper sheets B1, B2, B3 ... with a drive 11 and a (on product length or print format) adjustable
  • the folding module 105 is formed so that each folding device T1, T2 - ie each former - in at least one spatial direction R1, R2 is displaceable, wherein the first folding device T1 - ie the first former - in a first spatial direction R1 parallel to the plane ( Double arrow) is displaceable and the second folding device T2 - ie the second former - in a perpendicular spatial direction R2 perpendicular to the plane (arrowhead represented by circle with point, arrow end represented by circle with cross) is displaceable.
  • a change in the width of the paper web 108 by moving the first folding device T1 - ie the first former - in the first spatial direction R1 parallel to the plane of the drawing are compensated so that the center of the folded paper web 108 again exactly on the fold line (dashed line ), which leads to the tip of the second folding device T2 - ie the second former - leads.
  • the relative position and Set up the paper sheet transport element 131 in the form of a ribbon cable to changing printing formats and paper web widths or paper web guides are adapted, as in the DE 40 30 863 A1 the case is.
  • Fig. 17 shows, in addition, the first folding device T1 - ie the first former - additionally in the second spatial direction R2 perpendicular to the plane (arrowhead represented by circle with point, arrow end represented by circle with cross) displaced.
  • an asymmetric, that is, off-center web guide of the paper web can be compensated by the printing devices with simultaneous variability of the web widths and print formats by the biaxial displaceability, without the components 1 to 12 of downstream in the direction of the paper web 108 post-processing device 103a to changed print formats and paper web widths or paper web guides adapted (eg spatially shifted) must be. It can thus so for example instead of a full-width paper web 108 such as in Fig.
  • the offset of the center of the paper web 108 against the center of the printing units 102a , 102b can then be compensated by moving the first folding device T1 - ie the first former - in the second spatial direction R2 perpendicular to the plane of the drawing.
  • the folder 103 or the post-processing device 103a has a paper-sheet transport element 131 with a drive 9 - here in the form of a motor - on.
  • the drive 9 is controlled or regulated in such a way by the control device 20 or a separate control device that separated by the cutting device 6 from the paper web 108 sheets of paper B1, B2, B3, B4, B5, B6 away from the remaining paper web 108 in the direction L of Paper web 108 are accelerated. This is in Fig. 24 shown.
  • the paper sheet transport element 131 is then a device 10 with a drive 11 - downstream here - in the form of a motor.
  • the drive 11 is controlled or regulated by the control device 20 or a separate control device in such a way that a slowing down of the transport movement of the previously accelerated paper sheets B1, B2, B3, B4, B5, B6 takes place.
  • the device 10 is designed such that, in addition to the slowing down, raising or lowering of at least part of the paper sheets B1, B2, B3, B4, B5, B6 causes the paper sheets B1, B2, B3, B4, B5, B6 to flare up to achieve, as in Fig. 26 shown. This is done after Fig. 23 by a disc or roller 15, which has at least one cam 13 in the circumferential direction, which cooperates with a corresponding counter cam 14 of a corresponding counter-disc or counter-roller 17.
  • Fig. 26 shows how the individual paper sheets B1, B2, B3, B4, B5, B6 are pushed together into a scale. Subsequently, this scale is compacted in a downstream collator into a stack of superimposed paper sheets 1... 6, for example into a book block and, if necessary, the side edges are then trimmed again to obtain a stack of individual sheets, for example in the form of a conventional one Buches as the final printed product of a letterpress production type. View X shows a top view of this stack. It shows in the example Fig. 26 each sheet has two printed pages. This corresponds to the result of a production type Fig. 21 ,
  • Figures 21 and 22 show production modes with the aforementioned invention, in which a (full width) paper web 108 is cut by a slitter 26 for dividing the paper web 108 into partial webs TB and then successively over two formers (indicated by triangles) is guided, as in Fig. 16 - 20 shown. Each partial web TB is then subsequently cut by the cutting device 6 into paper sheets B1, B2.
  • the partial webs TB produced in the web turning device 104 are no longer folded, but these are merely cut by the cutting device 6 into paper sheets B1, B2, B3 - possibly after some or all of the part webs TB by corresponding devices such as turning bars in the web turning device 104 were superimposed. Subsequently, the paper sheets B1, B2, B3, B4, B5, B6 flatten out again, as in FIG Fig. 26 shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Handling Of Sheets (AREA)
  • Rotary Presses (AREA)
EP20100008499 2009-08-28 2010-08-14 Presse rotative à format variable Withdrawn EP2308684A1 (fr)

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DE102009039278A DE102009039278A1 (de) 2009-08-28 2009-08-28 Formatvariable Rollendruckmaschine

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EP2308684A1 true EP2308684A1 (fr) 2011-04-13

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EP20100008454 Withdrawn EP2305468A1 (fr) 2009-08-28 2010-08-13 Presse rotative à format variable
EP20100008499 Withdrawn EP2308684A1 (fr) 2009-08-28 2010-08-14 Presse rotative à format variable
EP20100008498 Active EP2305466B1 (fr) 2009-08-28 2010-08-14 Presse rotative à format variable
EP10008872.3A Active EP2308681B1 (fr) 2009-08-28 2010-08-26 Dispositif a format variable pour decouper des produits imprimes ainsi que appareil de pliage et machine a imprimer avec un tel dispositif

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EP10008872.3A Active EP2308681B1 (fr) 2009-08-28 2010-08-26 Dispositif a format variable pour decouper des produits imprimes ainsi que appareil de pliage et machine a imprimer avec un tel dispositif

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Publication number Publication date
EP2308681A2 (fr) 2011-04-13
EP2308681A3 (fr) 2011-09-28
EP2305466A1 (fr) 2011-04-06
EP2305466B1 (fr) 2014-01-22
US8827397B2 (en) 2014-09-09
EP2308681B1 (fr) 2023-10-04
EP2305468A1 (fr) 2011-04-06
DE102009061056A1 (de) 2011-06-16
US20110050767A1 (en) 2011-03-03
US20110058885A1 (en) 2011-03-10
DE102009039278A1 (de) 2011-06-01

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