EP0166128B1 - Machine d'impression rotative pour feuilles avec éléments d'impression disposés en ligne - Google Patents

Machine d'impression rotative pour feuilles avec éléments d'impression disposés en ligne Download PDF

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Publication number
EP0166128B1
EP0166128B1 EP85105434A EP85105434A EP0166128B1 EP 0166128 B1 EP0166128 B1 EP 0166128B1 EP 85105434 A EP85105434 A EP 85105434A EP 85105434 A EP85105434 A EP 85105434A EP 0166128 B1 EP0166128 B1 EP 0166128B1
Authority
EP
European Patent Office
Prior art keywords
sheet
printing
cylinder
transfer
turning
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.)
Expired
Application number
EP85105434A
Other languages
German (de)
English (en)
Other versions
EP0166128A2 (fr
EP0166128A3 (en
Inventor
Arno Wirz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0166128A2 publication Critical patent/EP0166128A2/fr
Publication of EP0166128A3 publication Critical patent/EP0166128A3/de
Application granted granted Critical
Publication of EP0166128B1 publication Critical patent/EP0166128B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a sheet-fed rotary printing machine in series design of the printing units for processing both paper and cardboard in one-sided multi-color printing or face-and-face printing with at least one turning device, each printing unit except a plate and a blanket cylinder, a printing cylinder and has a transfer drum with at least twice the diameter.
  • a multi-color sheet-fed rotary printing press of the type outlined above is already known from DE-OS 24 52 167.
  • the impression cylinder of each printing unit of this machine and the turning cylinder arranged between two printing units are double in diameter.
  • a suction system provided on the turning cylinder detects the rear edge of the freshly printed sheet lying on the smooth sheet guiding surface of the impression cylinder.
  • the suction system transfers the detected trailing edge of the sheet to a gripper system, which then swings out again during the further rotational movement of the turning cylinder and now transfers the sheet with the trailing edge first to the gripper system of the subsequent impression cylinder.
  • the suction system is designed as part of a coupling of a double swing arm.
  • the well-known multi-color sheet-fed rotary printing press is basically suitable for processing cardboard: however, since the trailing edge of the sheet must be removed from the smooth counter-pressure surface of the printing cylinder by means of a suction system. during the transfer process of the sheet rear edge to the gripper system of the turning cylinder, kinking of the rear sheet area is unavoidable despite the use of a double rocker. which makes processing thicker cardboard, if any. would only be possible in the low speed ranges. The aforementioned kinking of the trailing edge of the sheet in fact causes the sheet to be torn off from the suction system due to the stiffness of the carton, particularly with higher machine outputs. In addition, pressure-free spaces for pressure segments must be available with this turning system.
  • a sheet turning device for rotary printing presses in series is also known.
  • the printing cylinders of successive printing units are connected by a single transfer drum.
  • two pairs of gripper systems consisting of two interacting rows of clamping grippers are arranged in the pressure cylinder, which follow the transfer drum in the transport direction.
  • Printing cylinder and transfer drum are double in diameter.
  • Suction boxes are provided above the transfer drum. which slightly lift the sheet to be turned from the outer surface of the transfer drum. as soon as a gill gripper row of the subsequent printing cylinder has gripped the trailing edge of the sheet.
  • the sheet to be turned is kept taut by the suction boxes.
  • the suction boxes suck on the non-printed side of the sheet, as soon as the gripper systems of the printing cylinder pull the rear sheet edge from the last suction box after the turning process, the printed underside of the sheet can either be on the surface of the transfer drum or on the lateral surface of the now Open the sheet transporting printing cylinder, whereby smearing of the printed image is inevitable.
  • the trailing edge of the sheet can hardly be transferred without kinking with the two rows of grippers that come into action when the sheet is turned. This would give a thicker box permanent deformation that cannot be tolerated.
  • bent cardboard edges cause malfunctions by hitting the following gripper edges and preventing the cardboard from being correctly gripped.
  • DE-OS 26 39 900 a sheet-fed rotary printing press in unit construction with a device for optional perfecting and reverse printing is known, in which a module designed as an independent unit is arranged between the same printing units. which has a transfer drum and a downstream turning cylinder of the aforementioned type.
  • the transfer drum works with one or two drying devices.
  • the sheet is obviously also sucked in by the gripper devices of the turning cylinder on the lateral surface of the transfer drum and transferred to other gripper devices for the purpose of turning.
  • a bending of stiffer cardboard edges can be done, as already explained above. do not avoid doing so. You should also tear off the cardboard from the suction systems.
  • the drying facilities also represent a considerable effort. They require a lot of energy.
  • a particular disadvantage of the drying facilities is, however. that they are used in the middle of the printing process and tend to heat up the associated cylinder. Excessive heating can then result in tensions in large-area printed sheets, which can lead to registration errors, especially since the printing takes place in the case of perfecting after printing the single-color reverse print and before applying the multicolour fine print.
  • the object of the invention is to provide a high-performance sheet-fed rotary printing press for single-sided multi-color printing and for face and reverse printing. which guarantees a smudge-free and damage-free, register-containing processing of paper up to thick cardboard.
  • the relatively large diameters of all sheet-guiding cylinders and drums make it easier to transport the sheets with register.
  • the use of pliers grippers in cooperation with the storage drum and the hook grippers of the impression cylinder following the turning cylinder enable sheet transfer during the turning process without kinking or damaging the sheet edge. Waste can be avoided in this way. Stops are also switched off due to bent sheet edges. The precautions for the smear-free transport of the sheets ultimately make a drying device which consumes a lot of energy unnecessary and possibly deform the sheets.
  • a simple base frame for holding a transfer drum and a storage drum does not mean a particularly great outlay if the transfer drum and storage drum as well as the reversing cylinder are used in other series machine types anyway and can be taken over without further ado.
  • the counter-pressure surfaces of the printing cylinders which are connected downstream of the turning cylinder, are provided with color-repellent outer surfaces, e.g. in the form of lifts.
  • Such lifts are disclosed in DE 2446188 and DE-OS 2916505.
  • the sheet guiding surfaces of the transfer drums and the reversing cylinder can either be provided with closed outer surfaces that are ready to give off paint, or with rods and supporting elements, e.g. B. rolls. be equipped.
  • rods and supporting elements e.g. B. rolls. be equipped.
  • a particularly favorable development of the invention consists in this. that the transfer drum and the turning cylinder are provided with removable shells forming the sheet guiding surfaces. When processing paper. especially of lighter papers. these bowls are used. Should stiffer bends, e.g. Cardboard, printed, the shells can be removed from the transfer drums and turning cylinders, because there is no need for sheet guiding elements. This has the advantage. that the outer surfaces of the shells, which like to give off color, do not need to be washed frequently. The optional use of these trays enables the printer to design the most favorable makeready times.
  • FIG. 1 shows a section of a cardboard machine for single-sided multi-color printing, convertible to perfecting.
  • the feeder and delivery arm are not shown in the figure.
  • the printing unit 1 is also only partially shown. Its printing cylinder 2 transfers the sheet 3 by means of its normal clamping gripper 4 to the subsequent transfer drum 5. Printing cylinder 2 and transfer drum have double diameter.
  • the transfer drum 5 is mounted in a simple base frame 6, which is also used to hold a storage drum 7.
  • the storage drum 7 takes over the sheet from the transfer drum 5 with its hook gripper rows 8.
  • the adopted sheet 3 is tightened on the storage drum 7 by means of suction cups 9, so that the sheet rear edge assumes a predetermined position corresponding to the aligned front edge.
  • the simple base frame 6 is followed by a printing unit 10.
  • This essentially consists of the plate cylinder 11 and blanket cylinder 12, both with a single diameter, and from the printing cylinder 13 and the reversing cylinder 14, the latter two with a double diameter.
  • the turning cylinder 14 has two diametrically opposite rows of pliers grippers 15. Furthermore, the sheet guiding surfaces of the turning cylinder 14 are formed by two removable shells 16 which are provided with an elevator which is easy to dispense of paint. These trays are used when processing paper. However, they have to be washed frequently so that their outer surfaces retain the paint-dispensing properties to a sufficient extent. When processing stiffer papers or even cardboard, the trays are removed because special sheet guiding surfaces are not necessary. Of course, this also eliminates the need to wash the jacket surfaces. As a result, the downtimes of the board machine are considerably reduced.
  • the printing cylinder 13 adjoining the turning cylinder 14 likewise has specially designed hook grippers 8, just like the storage drum 7, so that the sheet transfer from the turning cylinder 14 to the printing cylinder 13 is possible by means of the pliers grippers 15.
  • the pliers grippers 15 take over the sheets on their front edge from the hook grippers 8 of the storage drum 7. Is the perfecting process used? there is a turn of the sheet, and the pliers grippers grip the rear edge of the sheet 3 which is guided past the turning cylinder 14 on the storage drum 7, which, as already mentioned above, is tightened by the suction cups 9.
  • Base frame and printing unit 10 together form the turning device.
  • the printing unit 10 that follows the printing unit 17 corresponds in its structure completely to printing unit 1.
  • the subsequent printing unit 18, which is only shown to a small extent, has the normal structure, which consists of the fact that in addition to plate cylinders 11. rubber cylinders 12 and Printing cylinder 2 with normal clamping gripper rows 4, a transfer drum 19 with a triple diameter is provided.
  • three rows of normaie clamp grippers 4 are arranged symmetrically on the circumference of the transfer drum 19.
  • the board machine can apply four-color printing on sheets as well as on rigid cardboard.
  • two-sided prints of various types can be produced. For example, if the board machine had six printing units and the third printing unit corresponded to printing unit 10, a two-color print could be applied on one side of the box and a four-color print on the opposite side.
  • the particular advantage of the described cardboard machine according to the invention is that it processes both paper and thick cardboard in a register-free and lubrication-free manner in the entire format range even at high printing speeds. If necessary, two turning devices can of course also be provided.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Electronic Switches (AREA)

Claims (8)

1. Presse à imprimer rotative à feuilles. à groupes imprimants (10, 17) en série. destinée à traiter aussi bien le papier que le carton. dans le mode d'impression en plusieurs couleurs une face ou d'impression en recto-verso, comprenant un dispositif de retournement, dans laquelle chaque groupe imprimant comprend. en supplément d'un cylindre porte-plaque (11) et d'un cylindre porte-blanchet (12), un cylindre de marge (2. 13) ainsi qu'un cylindre de transfert (5, 19) possedant un diamètre au moins double de celui du cylindre porte-plaque ou du cylindre porte-blanchet. caractérisée en ce que
- entre deux groupes imprimants (1 et 10), est disposé und bâti de base simple (6) destiné à recevoir uniquement un tambour de transfert (5) et un tambour accumulateur (7), ces deux tambours ayant un diamètre double, en ce que
- dans le groupe imprimant (10) qui fait suite au bâti de base (6), est prévu, en remplacement du tambour de transfert, un cylindre de retournement (14) présentant des rangées de pinces tenailles (15) disposés avec un décalage de 180°, de sorte que le bâti de base (6) et le groupe imprimant suivant (10) forment un dispositiv de retournement, en ce que
- le cylindre de marge (13) qui coopère avec le cylindre de retournement (14) est garni de pinces crochets (8) pour prendre la feuille (3) en charge à la sortie des pinces tenailles (15), et en ce que
- sur les cylindre de marge et de retournement (2. 13, 14), ainsi que sur les tambours de transfert et accumulateurs (5, 7 et 19), qui transportent la feuille (3) avec sa face imprimée dirigée vers l'intérieur, il est prévu des dispositions pour assurer le transport des feuilles (3) sans brouillage.
2. Presse à imprimer rotative à feuilles selon la revendication 1, caractérisée en ce que
- les surfaces de contre-pression des cylindres de marge (2, 13) qui sont placés en aval du cylindre de retournement (14) sont munies de surfaces cylindriques favorables au rejet de l'encre, par exemple, sous la forme de revêtements
3. Presse à imprimer rotative à feuilles selon les revendications 1 et 2, caractérisée en ce que
- les surfaces de guidage des feuilles du tambour de transfert (5, 19) et du cylindre de retournement
(14) sont munies de surfaces cylindriqes fermées. favorables au rejet de l'encre.
4. Presse à imprimer rotative à feuilles selon l'une des revendications 1 et 2, caractérisée en ce que
- les surfaces de guidage des feuilles du tambour de transfert (5 et 19) et du cylindre de retournement (14) sont munies de barres et d'éléments porteurs. par exemple, de petits galets.
5. Presse à imprimer rotative à feuilles selon les revendications 1 et 2, caractérisée en ce que
- les tambours de transfert (5 et 19) et le cylindre de retournement (14) ne présentent aucun élément d'appui des feuilles ni de guidage des feuilles.
6. Presse à imprimer rotative à feuilles selon les revendications 1 à 3, caractérisée en ce que
- les tambours de transfert (5, 19) et le cylindre de retournement (14) sont munis de coquilles amovibles (16) formant les surfaces de guidage des feuilles.
7. Presse à imprimer rotative à feuilles selon une ou plusieurs des revendications 1 à 6, caractérisée en ce que
- tous les groupes imprimants (1, 17 et 18). en dehors du groupe imprimant (10) du dispositif de retournement, sont munis d'un tambour de transfert (19) de diamètre triple.
EP85105434A 1984-05-26 1985-05-03 Machine d'impression rotative pour feuilles avec éléments d'impression disposés en ligne Expired EP0166128B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843419762 DE3419762A1 (de) 1984-05-26 1984-05-26 Bogen-rotationsdruckmaschine in reihenbauart der druckwerke
DE3419762 1984-05-26

Publications (3)

Publication Number Publication Date
EP0166128A2 EP0166128A2 (fr) 1986-01-02
EP0166128A3 EP0166128A3 (en) 1987-05-27
EP0166128B1 true EP0166128B1 (fr) 1989-08-16

Family

ID=6236974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105434A Expired EP0166128B1 (fr) 1984-05-26 1985-05-03 Machine d'impression rotative pour feuilles avec éléments d'impression disposés en ligne

Country Status (5)

Country Link
US (1) US4856426A (fr)
EP (1) EP0166128B1 (fr)
JP (1) JPS60255435A (fr)
AU (1) AU579364B2 (fr)
DE (2) DE3419762A1 (fr)

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US5042384A (en) * 1990-04-30 1991-08-27 Howard W. DeMoore Anti-marking method and apparatus for use with perfector cylinders of rotary sheet-fed printing presses
DE4032442C2 (de) * 1990-10-12 1999-07-15 Koenig & Bauer Ag Bogenrotationsdruckmaschine in Aggregatbauweise
DE4036253C1 (fr) * 1990-11-14 1992-10-15 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
FR2672240B1 (fr) * 1991-01-31 1993-08-20 Heidelberger Druckmasch Ag Machine rotative offset a feuilles avec plusieurs groupes d'impression pour papier et carton.
US5345170A (en) * 1992-06-11 1994-09-06 Cascade Microtech, Inc. Wafer probe station having integrated guarding, Kelvin connection and shielding systems
DE19503619A1 (de) * 1995-02-03 1996-08-08 Heidelberger Druckmasch Ag Koppelbare Satelliltendruckwerke
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DE19618029B4 (de) * 1996-05-04 2006-07-27 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Beseitigung von rhytmischen Passerfehlern in Bogendruckmaschinen mit mehrfachgroßen Zylindern
WO1998003337A1 (fr) * 1996-07-24 1998-01-29 Man Roland Druckmaschinen Ag Presse d'impression de feuilles polychrome
DE19713361B4 (de) * 1997-03-29 2007-12-27 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum abschmierfreien Führen eines bedruckten Bogens auf einem bogenführenden Zylinder einer Druckmaschine, insbesondere auf einer Wendetrommel einer Bogenrotations-Offsetdruckmaschine, im Schöndruckbetrieb
JP3427004B2 (ja) * 1999-04-20 2003-07-14 三菱重工業株式会社 枚葉両面印刷機
US6445202B1 (en) 1999-06-30 2002-09-03 Cascade Microtech, Inc. Probe station thermal chuck with shielding for capacitive current
EP1303401B1 (fr) * 2000-07-22 2005-12-14 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une machine d'impression offset dotee de modules de bati separables
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DE10158467B4 (de) * 2000-12-21 2014-05-15 Heidelberger Druckmaschinen Ag Druckmaschine und Verfahren zum Bedrucken eines Bogens
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US7492172B2 (en) 2003-05-23 2009-02-17 Cascade Microtech, Inc. Chuck for holding a device under test
US7250626B2 (en) 2003-10-22 2007-07-31 Cascade Microtech, Inc. Probe testing structure
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
DE102004021643A1 (de) 2004-05-03 2005-12-01 Man Roland Druckmaschinen Ag Applikationsverfahren für eine Bestandteile eines elektronischen Schaltkreises innerhalb einer Druckmaschine
US7535247B2 (en) 2005-01-31 2009-05-19 Cascade Microtech, Inc. Interface for testing semiconductors
US7656172B2 (en) 2005-01-31 2010-02-02 Cascade Microtech, Inc. System for testing semiconductors
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US8319503B2 (en) 2008-11-24 2012-11-27 Cascade Microtech, Inc. Test apparatus for measuring a characteristic of a device under test
DE102009000223B4 (de) 2009-01-14 2021-04-29 Koenig & Bauer Ag Bogenrotationsdruckmaschine mit in Reihe angeordneten Druckwerken

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Also Published As

Publication number Publication date
AU4135585A (en) 1985-11-28
JPS60255435A (ja) 1985-12-17
EP0166128A2 (fr) 1986-01-02
EP0166128A3 (en) 1987-05-27
DE3419762C2 (fr) 1991-02-14
DE3572328D1 (en) 1989-09-21
AU579364B2 (en) 1988-11-24
DE3419762A1 (de) 1985-11-28
US4856426A (en) 1989-08-15

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