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EP1136261B1 - Machine à imprimer rotative à feuilles - Google Patents

Machine à imprimer rotative à feuilles Download PDF

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Publication number
EP1136261B1
EP1136261B1 EP01104228A EP01104228A EP1136261B1 EP 1136261 B1 EP1136261 B1 EP 1136261B1 EP 01104228 A EP01104228 A EP 01104228A EP 01104228 A EP01104228 A EP 01104228A EP 1136261 B1 EP1136261 B1 EP 1136261B1
Authority
EP
European Patent Office
Prior art keywords
sheet
auxiliary
gripper
cylinder
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
EP01104228A
Other languages
German (de)
English (en)
Other versions
EP1136261A3 (fr
EP1136261A2 (fr
Inventor
Reinhard Nerger
Victor Hefftler
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 EP1136261A2 publication Critical patent/EP1136261A2/fr
Publication of EP1136261A3 publication Critical patent/EP1136261A3/fr
Application granted granted Critical
Publication of EP1136261B1 publication Critical patent/EP1136261B1/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
    • B41F21/04—Grippers
    • B41F21/05—In-feed grippers
    • 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

Definitions

  • the invention relates to a sheet-fed rotary printing machine according to claim 1.
  • sheet-fed rotary printing machines with at least one double-sized printing cylinder with diametrically arranged gripper systems, a single-size blanket cylinder and a cylinder cylinder single-sized cylinder containing the printing cylinder a sheet delivery and one consisting of a single-size feed drum, designed as a pre-gripper sheet accelerator, a feed table and a sheet feeder Bow system is upstream, known EP-A-0870609 ( DE 197 14 808 A1 ).
  • a disadvantage is that with increasing printing speed less and less time for sheet separation, sheet acceleration and sheet alignment remains and this leads increasingly to the limitation of the maximum speed. Furthermore, it is disadvantageous that a power compensation for the sheet acceleration drive is not provided.
  • a rapid press with two application devices and a printing cylinder is also known (US Pat. DE 84 115 ).
  • the feeding of the sheet to the gripper system of the printing cylinder is carried out alternatively via a first feed table or a second feed table and a feed cylinder.
  • An increase of the machine speed is not possible; An arc accelerator is not present in the described rapid press.
  • a method and apparatus for eliminating registration errors in sheetfed presses with double-size impression cylinders is known. For this purpose, it is provided to position the front marks alternately in two different alignment positions on the feed table, wherein one alignment position of a first gripping device on the printing cylinder and the second alignment position of a second gripping device on the printing cylinder is assigned.
  • DE 76367 C is a swinging pressure cylinder described with two gripper systems. Each gripper system is assigned a Anlegzylinder for feeding sheets.
  • a device for supplying sheets in which above a sheet stack a the respective top sheet of the sheet stack secreting, separating the sheet from the sheet stack and the bow on a feed table to Anlegmarken transporting, connected to a vibrating drive, designed as a sucker transport element and below the Level of the feed table a the sheet to be supplied, the sheet accelerating and the bow to the sheet transport drum handed over, designed as Saugerschwinger pre-gripper is arranged.
  • the object of the invention is to provide a sheet-fed rotary printing press with increased machine speed and / or extended alignment time and power compensation of the accelerator.
  • the sheet-fed rotary printing press shown in FIG. 1 consists of four printing units 1, a sheet delivery 2, a sheet feeder 3 and an additional sheet installation 4.
  • Each printing unit 1 has an analog structure and contains a cylinder group with a double-sized impression cylinder 5, a single-size blanket cylinder 6 and a single-sized plate cylinder 7, wherein the plate cylinder 7 is associated with a dyeing and dampening unit 8.
  • the pressure cylinders 5 of the cylinder groups are each connected by a transfer drum 9 and each equipped with diametrically arranged gripper systems 10.
  • the printing cylinder 5 of the first printing unit ie the plant printing unit, is assigned a sheet feeder 3 and additionally an additional sheet unit 4.
  • the sheet feeder 3 comprises a single-size feed drum 11, a sheet accelerator 12 formed as a pregripper, a feed table 13 and a sheet feeder 14.
  • the feed drum 11 is equipped with a feed drum gripper system 15 and the pregripper 12 with a preg rapier system 16.
  • the printing cylinder 5 of the first printing unit 1, ie the plant printing unit is still a simple-sized additional feed drum 17, a trained as Rajvorgreifer additional sheet acceleration device 18, a submitanlegetisch 19 and a 1925bogenanleger 20 assigned.
  • the additional feed drum 17 is equipped with a celebrityanlegetrommelgreifersystem 21 and vinvorgreifer with a 1925vorgreifergreifersystem 22.
  • sheet accelerator means both a pre-gripper and a well-known arc acceleration drum and the combination of a pre-gripper with a bow acceleration drum understood. It is possible to assign the sheet acceleration device directly or indirectly to the printing cylinder via a feed drum. The further description relates to the formation of the sheet acceleration device as a pre-gripper.
  • the pre-gripper 12 and the auxiliary pre-gripper 18 are each assigned a roller lever 23 which is in each case operatively connected to a cam plate 24.
  • the cams 24 are arranged on at least one single-turn shaft 25, wherein the single-turn shaft per cycle - printing a sheet - performs a revolution. With the Eintourenwelle 25 and the additional application drum 17 is connected. It is also possible to arrange each of the cams 24 on each one-turn shaft 25. Furthermore, it is possible to arrange each of the cams 24 on each one-turn shaft 25 and to connect both single-speed transmission technology directly.
  • the transfer of a first sheet to be printed from the additional pre-gripper 18 to the additional feed drum 17 is temporally offset by 90 ° in order to transfer a second sheet to be printed from the pre-gripper 12 to the feed drum 11.
  • the first takeover point - pre-gripper 12 takes over the second sheet from the feed table 13 - by the reference numeral 27
  • the second takeover point - additional pre-gripper 18 takes over the first sheet from the additional feed table 19 - with the reference numeral 28
  • the first transfer point - Pre-gripper 12 transfers the second sheet to the feed drum 11 - with the reference numeral 29
  • the second transfer point - additional pre-gripper 18 passes the first sheet to the additional feed drum 17 - marked with the reference numeral 30. It can be seen that a complete power equalization of the two drive torques takes place.
  • the center 26 of the printing cylinder 5 and the center 31 of the application drum 11 are located on a reference line 32nd
  • the oscillation point 33 of the Rajvorgreifers 18, the center 34 of the Rajanightrommel 17 and the center 26 of the impression cylinder 5 lie on a first straight line 35, which is arranged at an angle of 90 ° to the reference line 32.
  • the center 31 of the feed drum 11 and the swing point 36 of the pre-gripper 12 lie on a second straight line 37, wherein the second straight line 37 is arranged at an angle of 90 ° to the reference straight line 32.
  • the diametrically arranged gripper systems 10 and thus the third transfer point 38 - the feed drum gripper system 15 of the feed drum 11 transfers the sheet to a gripper system 10 - the reference line 32 and the second transfer point 30 - additional pre-gripper 18 transfers the first sheet to the additional feed drum 17 - The second straight line 35 assigned.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Laminated Bodies (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Claims (6)

  1. Machine d'impression rotative à feuilles comportant au moins un groupe de cylindres formé d'un cylindre de pression 5 avec des systèmes de pinces 10, un cylindre porte blanchet 6 et un cylindre porte plaque 7,
    une installation d'alimentation en feuilles 3 étant associée au cylindre de pression 5, cette installation se composant d'un tambour d'alimentation 11, d'une installation d'accélération de feuilles 12, d'une table de margeur 13 ainsi que d'un margeur de feuilles 14 et d'une installation d'alimentation supplémentaire 4 formée d'un tambour d'alimentation supplémentaire 17, d'une installation d'accélération de feuilles supplémentaire 18, d'une table de margeur supplémentaire 19 et d'un margeur supplémentaire 20,
    les moyens d'entraînement des installations d'accélération de feuilles étant prévus sur au moins un arbre à un tour, et
    par rapport à une droite de référence 32 passant par le centre 26, 31 du cylindre de pression 5 et du tambour d'alimentation 11, une première droite 35 passant par le point d'oscillation 33 de l'installation d'accélération de feuilles, supplémentaire 18, le centre 26 du cylindre de pression 5 et le centre 34 du tambour d'alimentation supplémentaire 17, ainsi que la seconde droite 37 reliant le centre 31 du tambour d'alimentation 11 et le pivotement 36 de l'installation d'accélération de feuilles 12, font respectivement un angle de 90°, et
    dans une position instantanée, les systèmes de pinces 10 diamétralement opposés et le système de pinces 15 du tambour d'alimentation correspondent à la droite de référence 32 et le système de pince 21 du tambour d'alimentation supplémentaire 17 et l'installation d'accélération de feuilles supplémentaire 18 sont associés à la seconde droite 35.
  2. Machine d'impression rotative à feuilles selon la revendication 1,
    caractérisée en ce que
    le cylindre de pression 5 a une dimension au moins double.
  3. Machine d'impression rotative à feuilles selon la revendication 1,
    caractérisée en ce qu'
    au moins une installation d'accélération de feuilles 12, 18 est réalisée comme installation de pinces amont.
  4. Machine d'impression rotative à feuilles selon la revendication 1,
    caractérisée en ce qu'
    au moins une installation d'accélération de feuilles 12, 18 est réalisée sous la forme d'un tambour d'accélération de feuilles.
  5. Machine d'impression rotative à feuilles selon la revendication 1,
    caractérisée en ce qu'
    au moins une installation d'accélération de feuilles 12, 18 est directement associée au cylindre de pression 5.
  6. Machine d'impression rotative à feuilles selon la revendication 1,
    caractérisée en ce qu'
    au moins une installation d'accélération de feuilles 12, 18 est réalisée comme combinaison de pinces amont et d'un tambour d'accélération de feuilles.
EP01104228A 2000-03-17 2001-02-22 Machine à imprimer rotative à feuilles Expired - Lifetime EP1136261B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10013379 2000-03-17
DE10013379A DE10013379A1 (de) 2000-03-17 2000-03-17 Bogenrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP1136261A2 EP1136261A2 (fr) 2001-09-26
EP1136261A3 EP1136261A3 (fr) 2004-01-14
EP1136261B1 true EP1136261B1 (fr) 2007-09-26

Family

ID=7635354

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01104228A Expired - Lifetime EP1136261B1 (fr) 2000-03-17 2001-02-22 Machine à imprimer rotative à feuilles

Country Status (3)

Country Link
EP (1) EP1136261B1 (fr)
AT (1) ATE374105T1 (fr)
DE (2) DE10013379A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20119467U1 (de) 2001-11-29 2002-02-14 MAN Roland Druckmaschinen AG, 63075 Offenbach Kurvenbahngetriebe, insbesondere für eine Bogendruckmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE507498C (de) * 1930-09-17 Koenig Werk G M B H Maschf Selbsttaetige Bogenanlegevorrichtung mit zwei ueber- oder hintereinander angeordneten selbsttaetigen Bogenanlegern
DE76367C (de) * MASCHINENFABRIK AUGSBURG in Augsburg Greiferanordnung für Druckmaschinen
DE84115C (fr) *
DE1170428B (de) * 1959-03-17 1964-05-21 Miehle Goss Dexter Inc Hin- und hergehender Vorgreifer an Bogen-Druckmaschinen
DE4330392A1 (de) * 1993-09-08 1995-03-16 Heidelberger Druckmasch Ag Schwingender Vorgreifer einer Bogendruckmaschine
DE19644944A1 (de) * 1996-10-29 1998-04-30 Kba Planeta Ag Einrichtung zum Zuführen von Bogen
EP0870609A3 (fr) * 1997-04-10 1999-05-12 Kba-Planeta Ag Presse flexographique à feuilles
DE19901699B4 (de) * 1998-02-04 2007-11-15 Heidelberger Druckmaschinen Ag Verfahren und eine Vorrichtung zur Durchführung des Verfahrens zur Beseitigung von rhythmischen Passerfehlern in Rotationsdruckmaschinen

Also Published As

Publication number Publication date
EP1136261A3 (fr) 2004-01-14
EP1136261A2 (fr) 2001-09-26
DE50113046D1 (de) 2007-11-08
DE10013379A1 (de) 2001-09-20
ATE374105T1 (de) 2007-10-15

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