EP0674992B1 - Trocknervorrichtung für eine Bogenrotationsdruckmaschine - Google Patents

Trocknervorrichtung für eine Bogenrotationsdruckmaschine Download PDF

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Publication number
EP0674992B1
EP0674992B1 EP95103217A EP95103217A EP0674992B1 EP 0674992 B1 EP0674992 B1 EP 0674992B1 EP 95103217 A EP95103217 A EP 95103217A EP 95103217 A EP95103217 A EP 95103217A EP 0674992 B1 EP0674992 B1 EP 0674992B1
Authority
EP
European Patent Office
Prior art keywords
frame
sheet
cylinder
printing
movable
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
EP95103217A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0674992A1 (de
Inventor
Herbert Schoppe
Jürgen Schneider
Michael Rother
Ulrich Dr. Jung
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
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0674992A1 publication Critical patent/EP0674992A1/de
Application granted granted Critical
Publication of EP0674992B1 publication Critical patent/EP0674992B1/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
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations

Definitions

  • the invention relates to a dryer device for a sheet-fed rotary printing press, the device being particularly suitable for drying sheets coated in the printing press (inline coating).
  • a large number of drying devices for general solution to the problem are already known.
  • a generic device is known for example from DE 2 639 900 A1.
  • a drying device is then arranged between printing units in a special unit, which is further formed by a transfer cylinder and a downstream turning drum.
  • a drying device for a sheet-fed printing press which has a radiation dryer acting on a sheet guiding cylinder.
  • a shutter mechanism for closing the radiation dryer is actuated via a switching arrangement which interacts with the gripper channel.
  • DE-OS 2 412 493 Another device of this type is known from DE-OS 2 412 493, in which the radiation output of a dryer can be regulated.
  • a disadvantage of these designs is that, due to the fixed arrangement of the drying devices, the required heat input cannot be adjusted to the different sheet travel for different substrates. The result of this is that there is a reduction in quality (smearing) in the printing result, since the color to be processed or the coating to be processed in each case has not dried sufficiently. Since the sheet travel is also different in the case of a fixed arrangement of the drying device and in the processing of printing materials with different grammages, the respective distance between the transported sheets and the drying device also changes. Due to the different distances between sheet and drying device, heat losses occur, which leads to unnecessary energy consumption. Furthermore, the arrangement of special units is associated with an increase in the overall length of the printing press (increased space requirement).
  • the object of the invention is to eliminate the disadvantages mentioned above. This is solved by the marked part of the main claim. Further training results from the subclaims.
  • a major advantage of the solution according to the main claim is to be seen in the fact that specific drying is achieved depending on the sheet travel of the respective printing material.
  • the dryer device according to the invention is set to a minimum distance from the sheet run of the printing material. This shortens the drying time for paint or varnish and further improves the print quality.
  • the height-adjustable dryer device prevents burns (if the heat input is too high) or smearing (if the ink or varnish dries too little) of the substrate.
  • the radiation output is adapted to the actual heat requirement by means of the vertical or radial height adjustment of the dryer device.
  • the sheet guiding elements are connected to the radiator system and hot air dryer system arranged on the movable frame and are therefore also adjustable in height. By integrating sheet guiding elements, sheet guiding in the area of the dryer device is also taken over. Substrates that tend to detach or "flutter" at the rear edge of the impression cylinder during sheet transport are better guided on the impression cylinder by the hot air drying systems located close to the impression cylinder.
  • FIG. 1 shows a print finishing unit consisting of two coating devices which are arranged downstream of a sheet-fed rotary printing press for inline coating of printing materials.
  • the upstream printing units of a sheet-fed rotary printing press are followed by a first printing cylinder 6, to which a forme cylinder 7 is assigned.
  • the first printing cylinder is followed in the sheet running direction 9 by a sheet-guiding drum 11, which is followed by a second printing cylinder 6 with an associated forme cylinder 7.
  • the second pressure cylinder 6 is followed by another drum 11, which in the present example is the delivery drum of the boom.
  • Dosing systems for the paint to be processed are assigned to both forme cylinders 7 and are not to be described further here.
  • the height-adjustable dryer device is assigned to the second pressure cylinder 6.
  • the guide gear 8 consists of four fixed screw gears arranged on the frame, which are driven synchronously with each other via a traction mechanism gear. In another embodiment, the guide gear 8 can also be designed by synchronously operated coupling gears.
  • the dryer device consisting of a radiator system 3 and a hot air drying system 4 is arranged on the frame 1. Furthermore on frame 1 Sheet guiding elements 2, for example sheet guide rods, are arranged, which are assigned to the impression cylinder 6.
  • the operation of the device is as follows: coming from the upstream printing units, a sheet is fed via the first printing cylinder 6 and receives the print finishing in the form of a varnish in the area of a printing zone 10.
  • the sheet provided with a coating is transferred to the second printing cylinder 6 via the drum 11.
  • the second printing cylinder 6 is assigned the dryer device in the sheet travel direction 9 in front of the printing zone 10.
  • the varnished sheet is dried by the emitter system 3 and the hot air drying system 4, so that the sheet which has already been varnished is then given a further varnish via the associated forme cylinder 7 in the printing zone 10 of the second printing cylinder 6.
  • the sheet is then fed to the delivery in the sheet travel direction 9.
  • the dryer device is preferably movable in a vertical direction 5 from a control station.
  • the dryer device is moved closer to the printing cylinder 6 via the frame 1 and guide gear 8. If a sheet with a larger basis weight is varnished, the frame 1 with the dryer device is moved away from the printing cylinder 6 by an amount.
  • the distance of the frame 1 with the dryer device to the pressure cylinder 6 can be continuously adjusted via the guide gear 8. Since the sheet guiding elements 2 can also be moved in the vertical direction 5 with the frame 1, the sheet travel of the printing material on the printing cylinder 6 is improved.
  • the dryer device which can be adjusted in the vertical direction 5 by means of the frame 1 increases the efficiency of the drying by means of the radiator system 3 and the hot air dryer system 4, since the dryer device can be adjusted to the minimum most favorable distance from the printing material.
  • the dryer device is movable in the radial direction 12 to the pressure cylinder 6.
  • the guide gear 8 consists of two articulated quadrilateral, which are synchronized via one or two working cylinders 13 or one other drive can be operated.
  • the four-bar linkage can be designed, for example, as a rocker arm or parallel crank, so that the frame 1 with the radiator system 3 and the hot air dryer system 4 and the sheet guiding elements 2 can be pivoted on a coupling curve in the direction 12 and each side frame serves as a fixed member.
  • the mode of operation of this embodiment is analogous to the previously described embodiment according to FIG. 2.
  • the dryer device can now be pivoted and locked in a radial direction 12 on a coupling curve, preferably from the control station.
  • the dryer device In the case of sheets with a low basis weight, the dryer device is brought closer to the printing cylinder 6.
  • the dryer device is switched off by the printing cylinder 6.
  • a guide gear 8 By using a guide gear 8 in the manner of one or two articulated quadrilaterals, the distance between the dryer device and the sheet can also be set continuously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Drying Of Solid Materials (AREA)
EP95103217A 1994-03-28 1995-03-07 Trocknervorrichtung für eine Bogenrotationsdruckmaschine Expired - Lifetime EP0674992B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9405223U 1994-03-28
DE9405223U DE9405223U1 (de) 1994-03-28 1994-03-28 Trocknervorrichtung für eine Bogenrotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP0674992A1 EP0674992A1 (de) 1995-10-04
EP0674992B1 true EP0674992B1 (de) 1997-06-18

Family

ID=6906616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95103217A Expired - Lifetime EP0674992B1 (de) 1994-03-28 1995-03-07 Trocknervorrichtung für eine Bogenrotationsdruckmaschine

Country Status (5)

Country Link
US (1) US5797324A (ja)
EP (1) EP0674992B1 (ja)
JP (1) JP2839856B2 (ja)
AT (1) ATE154545T1 (ja)
DE (2) DE9405223U1 (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69835266T2 (de) 1997-03-24 2007-07-26 Toray Industries, Inc. Beschichtungsvorrichtung, druckvorichtung, bilderzeugungsvorrichtung, drucksystem und druckverfahren
DE19717582A1 (de) * 1997-04-25 1998-10-29 Fogra Forschungsgesellschaft D Verfahren und Vorrichtung zur Herstellung eines Druckerzeugnisses
DE29800579U1 (de) * 1998-01-15 1999-05-12 Roland Man Druckmasch Trocknungsvorrichtung an einem Bogentransportsystem einer Druckmaschine
US6951172B2 (en) 1998-03-31 2005-10-04 Heidelberger Druckmaschinen Ag Accessory for a printing unit
DE19814661B4 (de) * 1998-03-31 2004-05-13 Heidelberger Druckmaschinen Ag Zusatzeinrichtung für ein Druckwerk
DE19903607A1 (de) * 1999-01-29 2000-08-03 Windmoeller & Hoelscher Druckmaschine
US6401608B1 (en) * 2000-05-05 2002-06-11 Halm Industries, Co., Inc. Printing press with perfecting station
DE10136396A1 (de) * 2001-07-26 2003-02-13 Platsch Gmbh & Co Kg Trockner für Druckerzeugnisse
DE102005042956B4 (de) * 2004-10-06 2019-04-25 Heidelberger Druckmaschinen Ag Druckmaschine
DE102005003836B4 (de) * 2005-01-27 2017-03-02 Koenig & Bauer Ag Vorrichtung zur Verminderung der Viskosität von Druckfarben beim Drucken
DE102005031159B4 (de) * 2005-07-04 2016-07-21 Koenig & Bauer Ag Trockenvorrichtung für Druckmaschinen
JP5034197B2 (ja) * 2005-09-22 2012-09-26 凸版印刷株式会社 インキ乾燥装置
KR101192788B1 (ko) * 2005-10-13 2012-10-18 엘지디스플레이 주식회사 인쇄 장치 시스템 및 그를 이용한 패턴 형성 방법
KR101255295B1 (ko) * 2005-11-28 2013-04-15 엘지디스플레이 주식회사 인쇄 장치 시스템 및 그를 이용한 패턴 형성 방법
JP2007223066A (ja) * 2006-02-21 2007-09-06 Mitsubishi Heavy Ind Ltd 印刷機
ATE422423T1 (de) * 2006-06-16 2009-02-15 Benes Int Bvba Verfahren zum drucken und beschichten und dieses verfahren auführendes gerät
DE102006048082A1 (de) * 2006-10-10 2008-04-17 Man Roland Druckmaschinen Ag Vorrichtung zum Trocknen an einer Druckmaschine
DE102007018119B4 (de) * 2007-04-16 2011-06-01 Fischer & Krecke Gmbh Betriebsverfahren für Trockenvorrichtung an Druckmaschine sowie Druckmaschine
DE102013200113B4 (de) * 2013-01-07 2015-10-15 Kba-Meprint Ag Druckmaschine und ein Verfahren zur Trocknung zumindest eines Bedruckstoffs
DE102015215166B4 (de) * 2015-08-07 2021-07-22 Koenig & Bauer Ag Vorrichtung zum Behandeln von Bogen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1530932A (en) * 1923-06-20 1925-03-24 Charles H Cochrane Gas-heating device for printing presses
US2204802A (en) * 1937-06-30 1940-06-18 Interchem Corp Means for controlling web temperatures in printing
US2199812A (en) * 1939-06-06 1940-05-07 Cottrell C B & Sons Co Rotary web printing press
CH321900A (fr) * 1954-02-19 1957-05-31 Antimaculateurs Electro Magnet Appareil pour le séchage rapide de feuilles imprimées par rayonnement infrarouge
GB793216A (en) * 1956-02-18 1958-04-09 James Arthur Black Improvements in or relating to a method of and machine or apparatus for drying coated sheet stock
US3052037A (en) * 1959-01-19 1962-09-04 William J Miskella Ventilator drier attachment for rotary printing presses
DE2239744A1 (de) * 1972-08-12 1974-02-21 Koenig & Bauer Ag Mehrfarbenrollenrotationsdruckmaschine fuer das offset- oder hochdruckverfahren
JPS49119710A (ja) * 1973-03-19 1974-11-15
SE390395B (sv) * 1975-05-13 1976-12-20 Svecia Silkscreen Maskiner Ab For tryckerimaskin, spec stenciltryckmaskin, avsedd torkanleggning
DD123071A1 (ja) * 1975-11-17 1976-11-20
US4188883A (en) * 1976-12-22 1980-02-19 Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen Rotary printing machine
DD141807A1 (de) * 1979-02-01 1980-05-21 Hans Johne Trocknungseinrichtung an einer bogenrotationsdruckmaschine
IT8021284V0 (it) * 1980-03-25 1980-03-25 Argon Service Ltd Forno di asciugatura a raggi infrarossi di tipo perfezionato.
US4526101A (en) * 1983-10-14 1985-07-02 Ericsson Sylve J D Arrangement for drying printed material
US5180096A (en) * 1990-07-25 1993-01-19 Nihon Den-Netsu Keiki Co., Ltd. Method and apparatus for reflow-soldering of printed circuit boards

Also Published As

Publication number Publication date
EP0674992A1 (de) 1995-10-04
JP2839856B2 (ja) 1998-12-16
JPH07276609A (ja) 1995-10-24
US5797324A (en) 1998-08-25
ATE154545T1 (de) 1997-07-15
DE59500321D1 (de) 1997-07-24
DE9405223U1 (de) 1994-06-09

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