EP0311924B1 - Bogenrotationsdruckmachine, die von Schöndruck auf Schön- und Widerdruck umstellbar ist - Google Patents

Bogenrotationsdruckmachine, die von Schöndruck auf Schön- und Widerdruck umstellbar ist Download PDF

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Publication number
EP0311924B1
EP0311924B1 EP88116634A EP88116634A EP0311924B1 EP 0311924 B1 EP0311924 B1 EP 0311924B1 EP 88116634 A EP88116634 A EP 88116634A EP 88116634 A EP88116634 A EP 88116634A EP 0311924 B1 EP0311924 B1 EP 0311924B1
Authority
EP
European Patent Office
Prior art keywords
sheet
drum
gripping
printing
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 - Lifetime
Application number
EP88116634A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0311924A3 (en
EP0311924A2 (de
Inventor
Erich Georg Wieland
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 EP0311924A2 publication Critical patent/EP0311924A2/de
Publication of EP0311924A3 publication Critical patent/EP0311924A3/de
Application granted granted Critical
Publication of EP0311924B1 publication Critical patent/EP0311924B1/de
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 which can be switched from straight printing to face and reverse printing, and vice versa, according to the preamble of the claim.
  • a generic sheet-fed rotary printing press is known from DE-PS 35 34 486, the coupling of the two gears consisting of a shrink connection which can be temporarily released by a so-called pressure oil assembly for the purpose of changing the angular position of the gears by applying pressure oil.
  • the two devices for detecting the leading and trailing sheet edges can be adjusted in a simple manner when changing from perfect to perfect and reverse printing. Although the adjustments can only be made by loosening the coupling connection between the two gears, the adjustment work in the known sheet-fed rotary printing press is still difficult because the respective correct angular positions for the face printing and for different sheet lengths for face and back printing have to be found.
  • the two gears meshing with the gear of the transfer drum and the gear of the turning drum are on the grippers for the leading edges of the sheets supporting hollow shaft arranged and connectable to each other in different angular positions by means of an index bolt and clamping screws, whereby a control shaft freely rotatably mounted in the hollow shaft and carrying the suction pads is connected to the hollow shaft gearwheels by a gear consisting of levers and linkages in such a way that the control shaft with the Suction cups perform an oscillating movement relative to the hollow shaft.
  • stops are provided for the linkage executing the oscillating movement, which fix its rest position.
  • these stops do not allow the basic setting to be found again quickly after an adjustment, since after a format change, both for straight printing as well as for face and reverse printing, the new formats are found on the basis of pointer and scale settings and, in addition, the two hollow shaft gears are relatively relative must be adjusted to each other so that the printing units in front of the sheet transfer drum and the wheel trains lying behind them are set in the correct phase to the changed format.
  • the object of the invention is therefore to provide a sheet-fed rotary printing machine according to the preamble of the claim, which can be adjusted in a simple manner from face to face and reverse and vice versa and also to different format lengths of the sheets.
  • the fine pressure position can be set in a simple manner without laborious setup and measurement work by releasing the coupling and moving the stops together and then coupling the gears together again. Since the fine print position is determined by the stops, this can always be easily found again after the devices for detecting the leading and trailing edges of the sheet transfer drum have been adjusted.
  • the changeover is even easier because only the gripper system of the turning drum can be activated in such a way that its turning gripper grips the trailing edges of the sheet.
  • the position of the gripping devices for the leading and trailing sheet edges corresponds to the greatest format length of the sheets to be printed when changing from straight printing operation to face and back printing operations. If sheets with smaller format lengths are to be printed, the coupling coupling the gearwheels must be released and the gripping devices for gripping the front and rear sheet edges must be adjusted to the new format by relative rotation of the parts of the sheet transfer drum which carry these.
  • the format Since the corresponding parts of the sheet transfer drum are engaged by their gears with the gear trains leading to the upstream and downstream printing units, the format is automatically aligned in phase with the printing units, so that the register does not have to be reset. If the format of the paper to be printed is to be changed in a gentle and reverse printing operation, it is only necessary to release the coupling and to turn the gears relative to one another in such a way that the arc path between the devices for detecting the leading and trailing edges of the new paper format corresponds.
  • the rotational angle position of the two drum parts carrying the devices for detecting the front and rear sheet edges is such that the gripper device of the supply drum with the gripper device of the sheet transfer drum and the gripper system of the subsequent turning drum for each phase position of the printing units Detection of the trailing edge of the sheet corresponds with the format-adjustable holding device on the sheet transfer drum, which can consist, for example, of a series of suction cups, so that no additional adjustment processes are necessary and no collision points arise.
  • the fine print position can be adjusted in a simple manner by moving the stops together, so that they can be quickly and repeatably adjusted again after a perfecting operation.
  • the number of wheel pulls is not increased in the sheet-fed rotary printing press according to the invention, so that no additional games that could impair the printing accuracy have to be accepted.
  • the invention also takes into account the fact that due to the reversible gripper of the gripper system of the reversing drum, the trailing edge of each sheet undergoes a shift during the turning which is greater than 0 and smaller than the drum circumference minus the largest printable paper format.
  • the corresponding design of the turning drum is known.
  • the two gears of the sheet transfer or storage drum can be coupled with the coupling known from DE-OS 35 34 486 or with any other coupling that allows easy loosening and coupling in different relative angular positions.
  • the sheet transfer or storage drum shown in FIG. 1 consists of a drum base body 2, which is mounted in the machine frame 5 in the usual way via hollow shaft journals 3, 4 connected to it.
  • the drum base body is provided in a known and therefore not described in detail with a series of grippers 6, which serve to grip the front edges of the sheets 26 fed by the transfer drum 7.
  • a shaft 8 is freely rotatably mounted in the hollow shaft journal 3, 4 of the drum base body 2. On this shaft 8 sections or in the form of segments holding parts 9 are attached, which are provided along a surface line of the sheet transfer drum 1 with suction nozzles 10 for detecting the trailing edges of the sheet. Suction air is supplied to these suction nozzles in a known manner via the shaft designed as a hollow shaft 8 through a suction air rotary leadthrough.
  • gears 13, 14 are wedged parallel to one another with the same diameter, the same number of teeth and the same pitch or fastened in some other way.
  • the gears 13, 14 are connected to one another by a releasable coupling 22.
  • This releasable coupling 22 can be, for example, of the type described in DE-OS 35 34 486.
  • the transfer drum 7 feeding the sheets 26 and the turning drum 15 are set in the manner shown on the sheet transfer drum 1.
  • the transfer drum 7 is provided with grippers 16 and feeds the sheets from the first printing unit 17 to the sheet transfer drum 1.
  • the turning drum 15 is provided with a gripper system 18 and feeds the sheets to the second printing unit 19.
  • the grippers 20, 21 of the gripper system 18 grip the sheets 26 on the sheet transfer drum 1 at their front or rear edges.
  • the gear 7.1 of the transfer drum 7 meshes with the gear 13 fastened on the hollow shaft 4 of the drum base body 2, while the gear 15.1 of the turning drum is in engagement with the gear 14 which is fastened on the shaft 8.
  • Sheet transfer drum stops 23, 24 are provided which lie against each other when the sheet transfer drum 1 is set to face printing. These stops thus secure the fine printing position, in which the grippers 20 of the gripper system 18 of the turning drum 15 correspond to the grippers 6 of the sheet transfer drum 1. If the printing press is to be reset from face and back printing to face printing, only the stops need to be moved against each other, with a tolerance of 0.05 mm in relation to the radian dimension of the drum jacket surface should be maintained in the stop position.
  • the arc path formed in the basic position (face printing)? results from the point of intersection of the gripper support of the device 21 for grasping the trailing edge of the sheet on the turning drum 15 with the straight line through the centers of rotation of the turning drum 15 and the sheet transfer drum 1 and the gripper support of the device 6 closest to the circumference of the sheet transfer drum 1 for detecting the leading edge of the sheet.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Color Electrophotography (AREA)
EP88116634A 1987-10-12 1988-10-07 Bogenrotationsdruckmachine, die von Schöndruck auf Schön- und Widerdruck umstellbar ist Expired - Lifetime EP0311924B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3734493 1987-10-12
DE3734493 1987-10-12
DE19873738674 DE3738674A1 (de) 1987-10-12 1987-11-13 Bogenrotationsdruckmaschine, die von schoendruck auf schoen- und widerdruck umstellbar ist
DE3738674 1987-11-13

Publications (3)

Publication Number Publication Date
EP0311924A2 EP0311924A2 (de) 1989-04-19
EP0311924A3 EP0311924A3 (en) 1990-05-30
EP0311924B1 true EP0311924B1 (de) 1993-12-29

Family

ID=25860701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88116634A Expired - Lifetime EP0311924B1 (de) 1987-10-12 1988-10-07 Bogenrotationsdruckmachine, die von Schöndruck auf Schön- und Widerdruck umstellbar ist

Country Status (5)

Country Link
US (1) US4821643A (enrdf_load_stackoverflow)
EP (1) EP0311924B1 (enrdf_load_stackoverflow)
JP (1) JPH0624848B2 (enrdf_load_stackoverflow)
CS (1) CS276905B6 (enrdf_load_stackoverflow)
DE (2) DE3738674A1 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD286330B5 (de) * 1989-08-07 1998-04-16 Kba Planeta Ag Einrichtung zur Passerkorrektur
DE4223555A1 (de) * 1991-08-12 1993-02-18 Koenig & Bauer Ag Trommel zum transportieren von bogen
GB2269370B (en) * 1992-07-15 1995-11-15 Heidelberger Druckmasch Ag Process and apparatus for the switching on and off of sheet turning and for sheet-size setting in the transport of sheets through a printing press
US6912952B1 (en) 1998-05-24 2005-07-05 Hewlett-Packard Indigo B.V. Duplex printing system
DE69836646T2 (de) 1998-05-24 2007-10-11 Hewlett-Packard Indigo B.V. Drucksystem
AU1072900A (en) 1999-11-07 2001-06-06 Indigo N.V. Tandem printing system with fine paper-position correction
CA2406107A1 (en) 2000-04-18 2001-10-25 Indigo N.V. Sheet transport position and jam monitor
DE10102080B4 (de) * 2001-01-18 2014-03-06 Heidelberger Druckmaschinen Ag Einrichtung zur Wendung flächiger Exemplare in einer bogenverarbeitenden Rotationsdruckmaschine
DE10122227B4 (de) * 2001-05-08 2012-03-01 Koenig & Bauer Aktiengesellschaft Speichertrommel in Wendeeinrichtungen von Bogendruckmaschinen
JP4106249B2 (ja) * 2001-07-30 2008-06-25 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 シート加工機械においてシート形の材料を裏返す装置
DE10254113A1 (de) 2001-12-12 2003-06-18 Heidelberger Druckmasch Ag Vorrichtung zur Änderung des Betriebszustands einer Greifersteuereinrichtung in einer Bogenwendeeinrichtung einer bogenverarbeitenden Maschine
EP2159069A1 (en) 2008-08-29 2010-03-03 Kba-Giori S.A. Method for varnishing security documents, especially intaglio-printed security documents such as banknotes, and varnishing machine for carrying out the same
DE102008051094B4 (de) * 2008-10-09 2017-11-23 Heidelberger Druckmaschinen Ag Vorrichtung zum Umstülpen eines Bogens um eine Querachse während eines Förderns zwischen zwei Druckwerken einer Druckmaschine
DE102010047807B4 (de) 2009-10-27 2021-05-20 Heidelberger Druckmaschinen Ag Vorrichtung zur Lagekorrektur von Bogen

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757610A (en) * 1952-03-18 1956-08-07 Miller Printing Machinery Co Sheet handling mechanism and method for multi-color perfector press
CH346226A (de) * 1954-02-16 1960-05-15 Miller Printing Machinery Co Vorrichtung zur Übertragung von Druckbogen
US3537391A (en) * 1967-10-18 1970-11-03 Miller Printing Machinery Co Sheet handling apparatus and method for multicolor perfector press
US3654861A (en) * 1970-04-06 1972-04-11 Planeta Veb Druckmasch Werke Sheet carrier cylinder for use in a polychrome rotary printing press adapted for both one-side and two-side printing
CS150046B1 (enrdf_load_stackoverflow) * 1971-07-13 1973-09-04
US4122773A (en) * 1974-04-24 1978-10-31 Heidelberger Druckmaschinen Ag Change-over means for a storage drum for sheet transferral
DE2460503C3 (de) * 1974-12-20 1979-05-03 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Umstell- und Einstellvorrichtung einer Übergabetrommel zur Bogenüberführung
DE2523662C3 (de) * 1975-05-28 1981-12-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Offstet-Bogen-Rotationsdruckmaschine für Schön- und Widerdruck
DE2559735C3 (de) * 1975-08-06 1981-03-12 Western Gear Corp., Pittsburgh, Pa. Bogenübergabetrommel einer von Schön- auf Schön- und Widerdruck umstellbaren Bogen-Rotationsdruckmaschine
DE7700279U1 (de) * 1977-01-07 1979-06-07 Miller Western Corp, Pittsburgh, Pa. (VStA.) Bogenuebertragungszylinder fuer auf schoen- und widerdruck einstellbare bogen-rotations-druckmaschinen
US4202266A (en) * 1977-12-07 1980-05-13 A. B. Dick Company Staging mechanism for duplexing copy machines
JPS55146762A (en) * 1979-05-02 1980-11-15 Shinohara Tekkosho:Kk Sheet reversal adjuster for sheet-fed rotary press
US4362099A (en) * 1980-05-02 1982-12-07 Kabushiki Kaisha Shinoharatekkosho Adjusting device for sheet reversing in a sheet-fed rotary press
DE3108806C2 (de) * 1981-03-07 1984-12-20 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogen-Rotations-Offsetdruckmaschine für wahlweisen Schön- oder Schön- und Widerdruck
JPS5871162A (ja) * 1981-10-24 1983-04-27 Komori Printing Mach Co Ltd 反転機構付枚葉輪転印刷機の位相調整装置
DE3578402D1 (de) * 1984-05-18 1990-08-02 Heidelberger Druckmasch Ag Bogen-rotationsdruckmaschine fuer einseitigen mehrfarbendruck oder schoen- und widerdruck.
US4535691A (en) * 1984-09-12 1985-08-20 Komori Printing Gripper opening/closing apparatus of sheet-fed rotary press
DE3508699A1 (de) * 1985-03-12 1986-09-25 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Hoehenverstellbare greiferauflagen fuer wendetrommelgreifer in wendetrommeln von schoen- und widerdruckmaschinen
DE3533081A1 (de) * 1985-09-17 1987-03-26 Roland Man Druckmasch Bogenwendevorrichtung fuer rotationsdruckmaschinen
DE3534486A1 (de) * 1985-09-27 1987-04-16 Koenig & Bauer Ag Kupplung in einer bogenrotationsdruckmaschine

Also Published As

Publication number Publication date
CS276905B6 (en) 1992-09-16
US4821643A (en) 1989-04-18
JPH0624848B2 (ja) 1994-04-06
DE3738674C2 (enrdf_load_stackoverflow) 1990-09-06
CS673788A3 (en) 1992-03-18
EP0311924A3 (en) 1990-05-30
JPH01123749A (ja) 1989-05-16
DE3886661D1 (de) 1994-02-10
DE3738674A1 (de) 1989-04-20
EP0311924A2 (de) 1989-04-19

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