EP0276745B1 - Für fliegenden Plattenwechsel geeignetes Druckwerk - Google Patents

Für fliegenden Plattenwechsel geeignetes Druckwerk Download PDF

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Publication number
EP0276745B1
EP0276745B1 EP88100782A EP88100782A EP0276745B1 EP 0276745 B1 EP0276745 B1 EP 0276745B1 EP 88100782 A EP88100782 A EP 88100782A EP 88100782 A EP88100782 A EP 88100782A EP 0276745 B1 EP0276745 B1 EP 0276745B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing unit
cylinders
printing
impression
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
EP88100782A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0276745A3 (en
EP0276745A2 (de
Inventor
Peter Knauer
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 EP0276745A2 publication Critical patent/EP0276745A2/de
Publication of EP0276745A3 publication Critical patent/EP0276745A3/de
Application granted granted Critical
Publication of EP0276745B1 publication Critical patent/EP0276745B1/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
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting machines

Definitions

  • the invention relates to a printing unit of a web offset rotary printing press which is suitable for flying plate changes and has at least two printing units which can be adjusted alternately or simultaneously on a counter-supported printing material web, each consisting of a plate cylinder and a blanket cylinder, which are used to produce perfecting and printing on the blanket cylinders Printing material web are also adjustable against each other.
  • Such a printing unit is known from DE-PS 35 10 822.
  • the common impression cylinder which is not required in this case, is used as the paper guide roller. Touching the impression cylinder can cause the ink to smear on the side of the paper web previously printed by a blanket cylinder.
  • the object of the invention is to further develop a generic printing unit in such a way that smearing of ink is effectively prevented during straight and reverse printing.
  • each blanket cylinder is assigned its own impression cylinder and the two impression cylinders are spaced from one another, the way is free between the two impression cylinders for a contact-free guidance of the substrate web to a downstream printing unit.
  • the printing unit according to the invention can thus be used both as an impression unit for flying plate changes and as a normal printing unit for the creation of two-color face printing or of a high quality perfecting.
  • a first printing unit of the printing unit according to the invention is composed of a plate cylinder 1, to which an inking unit (not shown) and a dampening unit are assigned, and a blanket cylinder 2 attached to the latter.
  • the blanket cylinder 2 is mounted so that it can either be adjusted against a counter-pressure cylinder 3 or removed from it.
  • a plate cylinder 5 interacts with a blanket cylinder 4 of a second printing unit and is supplied with printing ink and water by an inking unit and dampening unit, not shown.
  • the blanket cylinder 4 is mounted such that it can be adjusted to the first blanket cylinder 2 or to a further impression cylinder 6 or can be removed from both in a central position.
  • the two impression cylinders 3 and 6 are immovably mounted in the machine frame at a distance which allows the unimpeded passage of a printing material web 7 ', also taking into account any vibrations that may occur on the web.
  • the printing material web 7, as shown in FIG. 1, is guided around both impression cylinders 3 and 6 with two-color fine printing.
  • the blanket cylinder 4 applies the first printing ink in cooperation with the impression cylinder 6 and the blanket cylinder 2 the second printing ink in cooperation with the impression cylinder 3.
  • By alternately starting one of the blanket cylinders 2, 4 on the associated impression cylinder 3 or 6 see FIGS. 3 and 5), it is possible to produce changing impressions with this web guide.
  • the second blanket cylinder 4 is turned off from the impression cylinder 6 assigned to it and is set against the first blanket cylinder 2.
  • a printing material web, designated 7 ', is passed between the two blanket cylinders 2 and 4 and printed by these on both sides in face and back printing.
  • the printing material web 7 ' is then passed between the two impression cylinders 3 and 6 without contact to a subsequent printing unit or, if no further inks are to be applied, to the other downstream units, such as a drying unit.
  • the transmission described below and shown in FIGS. 2, 4, 6 and 8 is suitable for realizing the types of production described above with a single force introduction point branching off the main drive.
  • the necessary gearwheels arranged in three parallel vertical planes next to each other on the same machine side have been given the same reference numbers as the cylinders on whose shafts they are arranged, and an index corresponding to their plane has been used to distinguish them.
  • the level indicated with a line is closest to the end of the cylinder, which is followed by the levels indicated with two "and three lines" to the outside.
  • the gears used are all helical and correspond in their pitch circle diameter to the diameter of the cylinder on whose shaft they are located. In order to enable power transmission for certain gearwheel pairs and to exclude this with others due to missing flank contact, some of the wheels have a positive or negative profile shift, which is shown in FIGS. 2, 4, 6 and 8 by a "+" or a "-" Character is expressed.
  • FIGS. 2, 4, 6 and 8 results from a cut according to the cut line shown in FIG. 1 with a subsequent flap into a projection plane.
  • a gearwheel 3 ′ arranged on the shaft of the first impression cylinder 3 and a gearwheel 6 ′ arranged on the shaft of the second impression cylinder 6 are in constant engagement.
  • a further gear 6 is freely rotatably mounted, which can be connected to this shaft via a coupling 10.
  • this gear 6 which has a negative profile shift
  • gear 4 equipped on the shaft of the second rubber blanket cylinder 4 is engaged in profile displacement.
  • the gear 4" ' which is still freely rotatable on this shaft, can be connected to it by a coupling 11.
  • gear 4 is a gear 5" equipped with a negative profile shift on the shaft of the plate cylinder 5 in engagement.
  • the blanket cylinder 2 are employed on the impression cylinder 3 and the blanket cylinder 4 on the impression cylinder 6 for two-color fine printing.
  • the power flow is divided into two strands.
  • the upper train drives the counter-pressure cylinder 3 via the gearwheel 3 ', the first rubber blanket cylinder 2 via its closed coupling 9 and the pair of wheels 3 "', 2" 'and the associated plate cylinder 1 via the pair of wheels 2 "', 1" ' Strand is driven via the gear 6 'first of all the impression cylinder 6, further via the closed clutch 10 and the pair of wheels 6 ", 4" the second blanket cylinder 4 and via the pair of wheels 4 ", 5" the associated plate cylinder 5.
  • a reaction from the shaft of the first rubber blanket cylinder 2 to the shaft of the second rubber blanket cylinder 4 through the meshing gears 2 "'and 4"' is avoided by the opened clutch 11.
  • the first blanket cylinder 2 is set against the impression cylinder 3 when impressed by the upper printing unit.
  • the second blanket cylinder 4 is in its central position.
  • the power transmission takes place in the upper section of the drive as described in the previous paragraph.
  • only the counter-pressure cylinder 6 is driven by the pair of wheels 8, 6 '.
  • the opened clutch 10 prevents further power transmission. Since no reaction from the shaft of the first blanket cylinder 2 to the shaft of the second blanket cylinder 4 is possible via the opened clutch 11, the lower printing unit stands still and can be prepared for a following impression.
  • the second blanket cylinder 4 is employed on the first blanket cylinder 2 when applying perfecting, the latter remaining in contact with the impression cylinder 3 assigned to it for drive reasons.
  • these cylinders are now driven with the clutch 10 open from the upper drive train via the pair of wheels 2 "', 4"', the closed clutch 11 and the pair of wheels 4 ", 5".
  • the impression cylinder 6 runs idle, which is irrelevant due to the distance of the two impression cylinders to the printing material web 7 'passed between them.
  • the gearbox can be built very narrow and can therefore be accommodated on one machine side. Assembly and ease of maintenance have been improved by the couplings placed exclusively on the shaft ends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP88100782A 1987-01-24 1988-01-20 Für fliegenden Plattenwechsel geeignetes Druckwerk Expired - Lifetime EP0276745B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3702071A DE3702071C1 (de) 1987-01-24 1987-01-24 Fuer filegenden Plattenwechsel geeignete Druckeinheit
DE3702071 1987-01-24

Publications (3)

Publication Number Publication Date
EP0276745A2 EP0276745A2 (de) 1988-08-03
EP0276745A3 EP0276745A3 (en) 1988-11-02
EP0276745B1 true EP0276745B1 (de) 1991-01-23

Family

ID=6319469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100782A Expired - Lifetime EP0276745B1 (de) 1987-01-24 1988-01-20 Für fliegenden Plattenwechsel geeignetes Druckwerk

Country Status (4)

Country Link
US (1) US4934265A (ja)
EP (1) EP0276745B1 (ja)
JP (1) JPS63260440A (ja)
DE (2) DE3702071C1 (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3918127C1 (ja) * 1989-06-03 1990-12-13 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4136902C2 (de) * 1991-11-09 1998-06-10 Roland Man Druckmasch Antrieb für Bogenrotationsdruckmaschinen
DE19603663A1 (de) * 1996-02-02 1997-08-07 Roland Man Druckmasch Druckwerk für den fliegenden Druckplattenwechsel
DE19629605C2 (de) * 1996-07-23 2000-02-03 Koenig & Bauer Ag Antrieb einer Druckeinheit
DE29702923U1 (de) * 1997-02-19 1997-03-27 Wifag Maschf Zylindereinheit für eine Rollenrotationsdruckmaschine
US6227110B1 (en) 1998-06-23 2001-05-08 Heidelberger Druckmaschinen Ag Wet printing press with throw-off mechanism
DE29921184U1 (de) * 1999-12-03 2001-04-12 Web Tech Licensees B V Satellitendruckmaschine zum Bedrucken von Bogen und Bahnen
US6474231B1 (en) * 2000-07-26 2002-11-05 Heidelberger Druckmaschinen Ag Multi-color printing press with common blanket cylinder
DE10046376C2 (de) * 2000-09-20 2002-12-12 Koenig & Bauer Ag Antrieb einer Druckeinheit
DE10046368C2 (de) * 2000-09-20 2003-02-06 Koenig & Bauer Ag Antrieb einer Druckeinheit
DE10103642A1 (de) * 2001-01-27 2002-08-01 Zahnradfabrik Friedrichshafen Aktuator
GB0315986D0 (en) * 2003-07-08 2003-08-13 Goss Graphic Systems Ltd Printing press
US7849796B2 (en) 2005-03-30 2010-12-14 Goss International Americas, Inc Web offset printing press with articulated tucker
CN101631679B (zh) 2005-03-30 2011-12-07 高斯国际美洲公司 悬臂式胶印滚筒提升机构
JP4814309B2 (ja) * 2005-03-30 2011-11-16 ゴス インターナショナル アメリカス インコーポレイテッド ブランケット胴胴抜き支持面を有する印刷ユニット
EP2441584B1 (en) 2005-03-30 2014-04-30 Goss International Americas, Inc. Web offset printing press with autoplating
US8037818B2 (en) * 2005-04-11 2011-10-18 Goss International Americas, Inc. Print unit with single motor drive permitting autoplating
JP5113353B2 (ja) * 2006-07-18 2013-01-09 株式会社ミヤコシ 交換胴型輪転機
DE102009042625A1 (de) * 2008-09-29 2010-04-01 Heidelberger Druckmaschinen Ag Bogenoffsetdruckmaschine zum Drucken auf beide Seiten von Bogen
CN102615936A (zh) * 2012-04-17 2012-08-01 浙江飞云机械有限公司 一种单张纸双面印刷机
CN102632688A (zh) * 2012-04-17 2012-08-15 浙江飞云机械有限公司 一种提高印刷机印刷质量的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1827845U (de) * 1959-05-26 1961-03-09 Wilhelm Schluckebier Rotationsdruckmaschine.
DE2214784A1 (de) * 1971-05-14 1972-12-07 VEB Polygraph Leipzig, Kombinat für polygraphische Maschinen und Ausrüstungen, χ 7050 Leipzig Verfahren zum kontinuierlichen Herstellen von Buchblöcken und zur Ausübung dieses Verfahrens geeignete Druckmaschine
US4798137A (en) * 1979-04-20 1989-01-17 Publishers Equipment Corporation Conversion of letterpress to offset printing
DE3048840C1 (de) * 1980-12-23 1983-03-10 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Drehrichtungsumkehrbarer Antrieb fuer eine Rollen-Rotationsdruckmaschine mit einem Zehnzylinder-Druckwerk
US4494457A (en) * 1981-06-19 1985-01-22 Press Machinery Corporation Apparatus for conversion of a printing press to offset printing
US4488483A (en) * 1982-05-31 1984-12-18 Kabushiki Kaisha Tokyo Kikai Seisakusho Multicolor rotary printing press
DE3313219C2 (de) * 1983-04-13 1985-04-18 Metronic Gerätebau GmbH & Co, 8702 Veitshöchheim Druckeinheit für eine Rotationsdruckmaschine
EP0132858B1 (fr) * 1983-07-26 1987-11-19 De La Rue Giori S.A. Machine d'impression rotative multicolore pour l'impression recto-verso simultanée
US4696229A (en) * 1985-03-26 1987-09-29 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Rotary offset printing press equipped for flying plate change
DE3510822C1 (de) * 1985-03-26 1986-07-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rollenrotations-Offsetdruckmaschine mit fliegendem Plattenwechsel
DE3614029C1 (de) * 1986-04-25 1987-04-02 Roland Man Druckmasch Rollenrotations-Offsetdruckmaschine mit einem Druckwerk fuer fliegenden Plattenwechsel
DE3614030A1 (de) * 1986-04-25 1987-10-29 Roland Man Druckmasch Druckwerk fuer eine rollenrotationsdruckmaschine
DE3644445A1 (de) * 1986-12-24 1988-07-07 Roland Man Druckmasch Druckwerk einer rollenoffset-rotationsdruckmaschine fuer wechselnde eindrucke

Also Published As

Publication number Publication date
EP0276745A3 (en) 1988-11-02
US4934265A (en) 1990-06-19
DE3702071C1 (de) 1988-07-14
EP0276745A2 (de) 1988-08-03
JPS63260440A (ja) 1988-10-27
DE3861592D1 (de) 1991-02-28

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