EP0161522B1 - Machine à imprimer rotative à feuilles pour impression polychrome unilatérale ou impression recto-verso - Google Patents

Machine à imprimer rotative à feuilles pour impression polychrome unilatérale ou impression recto-verso Download PDF

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Publication number
EP0161522B1
EP0161522B1 EP85104690A EP85104690A EP0161522B1 EP 0161522 B1 EP0161522 B1 EP 0161522B1 EP 85104690 A EP85104690 A EP 85104690A EP 85104690 A EP85104690 A EP 85104690A EP 0161522 B1 EP0161522 B1 EP 0161522B1
Authority
EP
European Patent Office
Prior art keywords
printing
sheet
cylinder
diameter
transfer drum
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 - Lifetime
Application number
EP85104690A
Other languages
German (de)
English (en)
Other versions
EP0161522A2 (fr
EP0161522A3 (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 EP0161522A2 publication Critical patent/EP0161522A2/fr
Publication of EP0161522A3 publication Critical patent/EP0161522A3/de
Application granted granted Critical
Publication of EP0161522B1 publication Critical patent/EP0161522B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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 press for single-sided multi-color printing or straight and reverse printing in series with devices for processing both paper and cardboard, each printing unit having a plate cylinder and a gum cylinder, a printing cylinder with a double diameter and a sheet transfer drum.
  • a multi-color sheet-fed rotary printing press of the type outlined above is already known from DE-A-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 known multi-color sheet-fed rotary printing press is basically suitable for processing cardboard.
  • the trailing edge of the sheet must be removed from the smooth counterpressure surface of the impression cylinder by means of a suction system, a buckling of the rear sheet area is unavoidable during the transfer process of the trailing edge of the sheet to the gripper system of the turning cylinder, despite the use of a double rocker arm, which means that thicker cardboard, if any, is processed , 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.
  • pressure-free spaces for pressure segments must be available with this turning system.
  • a sheet turning device for the rotary printing presses in series is also known, in which the printing cylinders of successive printing units are connected by a single sheet transfer drum.
  • two pairs of gripper systems consisting of two interacting rows of clamping grippers are arranged in the printing cylinder, which follow the sheet transfer drum in the transport direction.
  • Printing cylinder and sheet transfer drum have double diameter.
  • suction boxes are provided which slightly lift the sheet to be turned from the outer surface of the sheet transfer drum as soon as a row of clamping grippers 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 after the turning process pulls the rear sheet edge from the last suction box, the printed underside of the sheet can either be on the surface of the sheet 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 gripped correctly.
  • a sheet-fed rotary printing press in a unit design with a device for optional perfecting and reverse printing in which a block designed as an independent unit is arranged between the similar printing units, which has a transfer cylinder and has a downstream reversing drum of the aforementioned type.
  • the transfer cylinder works with one or two drying devices.
  • the disadvantage of this module is that its side walls are not identical to those of the lower parts of the printing unit. The module therefore requires a special production.
  • the sheet is also obviously sucked in by the gripper devices of the turning drum by the transfer cylinder and transferred to other gripping devices for the purpose of turning. A kinking of stiffer cardboard edges, as already explained above, cannot be avoided. You should also tear off the cardboard from the suction systems.
  • the object of the invention is to provide a high-performance sheet-fed offset printing machine that can be converted at any time for single-sided multi-color printing or that can be converted from straight printing to face printing. Even after the conversion, it should be guaranteed that the paper, even thick cardboard, is processed without smearing. The use of the same side walls of the printing units in both types is desirable.
  • a sheet-fed rotary printing press according to the invention can be designed such that in the lower parts of the printing unit with the printing cylinders cooperating sheet transfer drums of three times the diameter are provided. If this is the case, the invention is particularly advantageously suitable for single-sided multi-color printing of thick cardboard.
  • the triple-diameter sheet transfer drums have no further guide elements apart from the gripper systems which have gripped the sheet in its front edge. Because of the weak curvature of the sheet transfer drums, the risk is low that the printed side of the sheet being transported hits the drum shaft and the pressure is thereby smeared.
  • an embodiment of the invention can be converted from fine to fine and reprinting, it has at least one turning station.
  • a printing unit lower part is then provided with a double-diameter sheet transfer drum between two printing units and a storage drum instead of the printing cylinder, a reversing cylinder being mounted in the printing unit following this printing unit part instead of the double-diameter sheet transfer drum.
  • a reversing cylinder being mounted in the printing unit following this printing unit part instead of the double-diameter sheet transfer drum.
  • the invention is illustrated by an embodiment with reference to the drawing. It is a four-color board machine that can be converted to a two / two face and reverse printing machine.
  • the board machine shown only partially in the drawing has four printing units 1, 2, 3 and 4, with a printing unit lower part 5 fitted with parts of the turning station being inserted between printing unit 2 and printing unit 3.
  • the sheets 7 to be processed are fed to the printing cylinder 9 of the printing unit 1.
  • the sheet 7 receives its first imprint by means of plate cylinders 10 and rubber cylinders 11, both of which have simple diameters but are not shown in the figure. Since the printing cylinder 9 has a double diameter, it has two sheet guiding surfaces. It transfers the printed sheet 7 to the sheet transfer drum 12 of the printing unit 2. This has three times the diameter.
  • the printing cylinder 9 of the printing unit 2 then receives the sheet 7.
  • the second color is printed here via the plate cylinder 10 and rubber cylinder 11.
  • a printing unit lower part 5 adjoins printing unit 2, in which a sheet transfer drum 6 with a double diameter and a storage drum 13, likewise with a double diameter, are mounted.
  • the storage drum 13 takes the place of a printing cylinder 9.
  • the sheet 7 which has so far been printed twice is now taken over by the sheet transfer drum 6 of the lower part 5 of the printing unit and fed to the storage drum 13.
  • One of the two gripper systems 14 arranged at 180 ° to one another on the circumference of the storage drum detects the aligned front edge of the sheet 7.
  • a suction device 20 sucks the sheet on the rear edge and tensions it in the circumferential and lateral directions.
  • a turning cylinder 15 is mounted instead of the sheet transfer drum 6. It has twice the diameter and thus, symmetrically distributed over the circumference, two tong gripper systems 16.
  • one of these tong gripper systems 16 detects the sheet 7 on its trailing edge in the face and back printing position of the board machine and thus now guides it with the trailing edge ahead of the printing cylinder 9 of the printing unit 3.
  • the first back pressure takes place here with the aid of plate cylinder 10 and rubber cylinder 11.
  • the turning station thus consists of the three sheet-guiding drums, the sheet transfer drum 6, the storage drum 13 and the turning cylinder 15, and is over two normal, i.e. equally designed printing unit lower parts distributed.
  • the printing unit 4 is designed exactly like the printing unit 2. Accordingly, it has a sheet transfer drum 12 with a triple diameter, a printing cylinder 9 with a double diameter and plate cylinder 10 and rubber cylinder 11 with a single diameter. In this printing unit 4, the sheet 7 experiences its second counterprint and is finally deposited on a delivery stack by a sheet delivery device, not shown.
  • the printing cylinder 9 is preferably provided with elevators which are easy to dispense.
  • the printing unit lower part 5 corresponds completely in terms of its dimensioning and processing to the printing unit lower parts of the printing units 2, 3 and 4.
  • Two bearing bores 18 and 19 are provided vertically one above the other in the side walls of these printing unit lower parts.
  • the upper, somewhat smaller bearing bore 18 serves to accommodate the bearings for the sheet transfer drum 6 with twice the diameter.
  • the respective lower, larger bearing bore 19 serves to receive the bearings of sheet transfer drums 12 with a triple diameter.
  • the embodiment shown in the figure with sheet transfer drums which are only twice the diameter is more suitable.
  • the entire turning station is equipped with less gripper system and is therefore easier to adjust.
  • the sheet transfer is cheaper because of the arrangement of the cylinders to each other.
  • the two types of cardboard machine according to the invention described have the advantage that even thick cardboard can be transported properly, safely and without smearing due to the large diameter of the sheet-guiding cylinders or drums. Due to the use of pliers grippers on the turning cylinder, kinking of the front edge of the box or the rear edge of the box can be avoided. If a storage drum with integrated format adjustment with rotary suction cups on the rear edge is used, a far higher quality standard can be achieved compared to the known turning devices. All in all, the multi-color printing machine shown offers the possibility of processing both paper and thick cardboard in a register-free and smudge-free manner in the entire format range, even at high printing speeds. It is obvious that the lower part 5 of the printing unit could also be provided between the printing units 1 and 2 or 3 and 4. It is particularly advantageous that the side walls of the lower parts of the printing unit of the printing units 2, 3, 4 and 5 can be made absolutely identical.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Basic Packing Technique (AREA)

Claims (2)

1. Presse à imprimer rotative à feuilles pour l'impression en plusieurs couleurs une face ou l'impression recto-verso, du type de construction série, comprenant des dispositifs servant à traiter aussi bien le papier que le carton, dans laquelle chaque groupe imprimant (1 à 4) comprend, en supplément d'un cylindre porte-plaque (10) et d'un cylindre porte-blanchet (11), un cylindre de pression (9) de diamètre double, ainsi qu'un cylindre de transfert de feuilles (6, 12) coopérant avec le cylindre de pression (9), ou un cylindre de retournement (15) coopérant avec le cylindre de pression,
caractérisée
en ce que, dans chacun des bâtis latéraux des parties inférieures de groupes imprimants, il est prévu, pour le montage des tambours de transfert de feuilles, deux perçages de portée (18, 19) disposés l'un au-dessus de l'autre, à la verticale l'un de l'autre, et dont l'un ou l'autre peut être équipé d'un tambour,
le perçage de portée inférieur (19) pour un tambour de transfert de feuilles (12) de diamètre triple et le perçage de portée supérieur (18), soit pour un tambour de transfert de feuilles (6) de diamètre double, soit pour un cylindre de retournement (15) équipé de deux systèmes de pinces tenailles (16), qui sont agencés dans des positions décalées de 180° l'un par rapport à l'autre.
2. Presse à imprimer rotative à feuilles selon la revendication 1,
caractérisée
en ce que, entre deux groupes imprimants (2 et 3), une partie inférieure de groupe imprimant (5) est munie d'un tambour de transfert de feuilles (6) de diamètre doublé ainsi que d'un tambour accumulateur (13) en remplacement d'un cylindre de pression, et en ce que, dans le groupe imprimant (3) qui fait suite à cette partie inférieure de groupe imprimant (5), un cylindre de retournement (15) est monté en remplacement d'un tambour de transfert de feuilles de diamètre double.
EP85104690A 1984-05-18 1985-04-18 Machine à imprimer rotative à feuilles pour impression polychrome unilatérale ou impression recto-verso Expired - Lifetime EP0161522B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3418443 1984-05-18
DE3418443 1984-05-18

Publications (3)

Publication Number Publication Date
EP0161522A2 EP0161522A2 (fr) 1985-11-21
EP0161522A3 EP0161522A3 (en) 1987-07-22
EP0161522B1 true EP0161522B1 (fr) 1990-06-27

Family

ID=6236178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85104690A Expired - Lifetime EP0161522B1 (fr) 1984-05-18 1985-04-18 Machine à imprimer rotative à feuilles pour impression polychrome unilatérale ou impression recto-verso

Country Status (4)

Country Link
US (1) US4621576A (fr)
EP (1) EP0161522B1 (fr)
JP (1) JPS60255434A (fr)
DE (1) DE3578402D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403884C2 (de) * 1994-02-08 2003-09-18 Koenig & Bauer Ag Bogenrotationsdruckmaschine
DE19957230B4 (de) * 1999-11-27 2005-08-18 Koenig & Bauer Ag Bogenrotationsdruckmaschine für den wahlweisen Schöndruck oder Schön- und Widerdruck

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3413159C2 (de) * 1984-04-07 1986-09-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogen-Rotations-Offsetdruckmaschine zur Herstellung von einseitigen Mehrfarbendruck oder Schön- und Widerdruck
US4771691A (en) * 1986-03-25 1988-09-20 Sakurai Machine Trading Co., Ltd. Sheet-fed press with impression cylinder having air suction mechanism
DE3738674A1 (de) * 1987-10-12 1989-04-20 Koenig & Bauer Ag Bogenrotationsdruckmaschine, die von schoendruck auf schoen- und widerdruck umstellbar ist
JPH0210939U (fr) * 1988-07-06 1990-01-24
DE8901222U1 (de) * 1989-02-03 1989-03-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogen-Rotationsdruckmaschine für einseitigen Mehrfarbendruck
JPH0445735U (fr) * 1990-08-24 1992-04-17
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.
DE4103296C1 (fr) * 1991-02-04 1992-04-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
JPH09216341A (ja) * 1996-02-08 1997-08-19 Heidelberger Druckmas Ag 印刷機用の枚葉紙案内装置
WO1998003337A1 (fr) * 1996-07-24 1998-01-29 Man Roland Druckmaschinen Ag Presse d'impression de feuilles polychrome
WO2001034397A1 (fr) 1999-11-07 2001-05-17 Indigo N.V. Systeme d'impression en tandem comprenant une correction fine de la position du papier
WO1999061957A1 (fr) 1998-05-24 1999-12-02 Indigo N.V. Dispositif d'impression
US6912952B1 (en) 1998-05-24 2005-07-05 Hewlett-Packard Indigo B.V. Duplex printing system
DE60029016T2 (de) 2000-04-18 2007-01-25 Hewlett-Packard Indigo B.V. Vorrichtung zur anzeige einer papierstau- und transportposition
DE10164255A1 (de) * 2001-12-27 2003-07-17 Heidelberger Druckmasch Ag Drei-Trommel-Wendeeinrichtung für bogenverarbeitende Maschine
DE10356021B4 (de) * 2003-12-01 2009-01-15 Shinohara Machinery Co., Ltd. Satellitendruckwerk zum Drucken von Bögen
US6952993B2 (en) 2003-12-02 2005-10-11 Shinohara Machinery Co., Ltd. Versatile satellite-type printing press
DE102005035621A1 (de) * 2005-07-29 2007-02-08 Koenig & Bauer Ag Modulare Bogendruckmaschine
JP5361168B2 (ja) * 2006-11-10 2013-12-04 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 枚葉紙を印刷機を通して搬送する間に反転させるための装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US517908A (en) * 1894-04-10 Attorn
US578739A (en) * 1897-03-16 Printing-press
US2479023A (en) * 1946-08-03 1949-08-16 Michie Printing Press & Mfg Co Frame structure for printing press units and assembling method therefor
US2557381A (en) * 1946-08-09 1951-06-19 William C Huebner Multiple unit printing press
DE1436541A1 (de) * 1964-04-02 1969-02-06 Roland Offsetmaschf Rollenrotations-Druckmaschine
DE2305132B2 (de) * 1973-02-02 1974-10-31 Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg Bogenwendevorrichtung für Rotations-Druckmaschinen
DD110451A1 (fr) * 1974-03-21 1974-12-20
US4188883A (en) * 1976-12-22 1980-02-19 Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen Rotary printing machine
DE2724621A1 (de) * 1977-06-01 1978-12-14 Maschf Augsburg Nuernberg Ag Bogenwendevorrichtung einer bogen- rotations-druckmaschine in reihenbauart
DE3036790C2 (de) * 1980-09-30 1982-11-11 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenübergabetrommel für auf Schön- und Widerdruck umstellbare Bogenrotationsdruckmaschinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403884C2 (de) * 1994-02-08 2003-09-18 Koenig & Bauer Ag Bogenrotationsdruckmaschine
DE19957230B4 (de) * 1999-11-27 2005-08-18 Koenig & Bauer Ag Bogenrotationsdruckmaschine für den wahlweisen Schöndruck oder Schön- und Widerdruck

Also Published As

Publication number Publication date
EP0161522A2 (fr) 1985-11-21
DE3578402D1 (de) 1990-08-02
US4621576A (en) 1986-11-11
EP0161522A3 (en) 1987-07-22
JPS60255434A (ja) 1985-12-17

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