EP0699531B1 - Vorrichtung zum Befestigen von biegsamen Platten mit abgekanteten Enden auf einem Zylinder einer Rotationsdruckmaschine - Google Patents

Vorrichtung zum Befestigen von biegsamen Platten mit abgekanteten Enden auf einem Zylinder einer Rotationsdruckmaschine Download PDF

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Publication number
EP0699531B1
EP0699531B1 EP95111885A EP95111885A EP0699531B1 EP 0699531 B1 EP0699531 B1 EP 0699531B1 EP 95111885 A EP95111885 A EP 95111885A EP 95111885 A EP95111885 A EP 95111885A EP 0699531 B1 EP0699531 B1 EP 0699531B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
pockets
plate
width
print
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
EP95111885A
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German (de)
English (en)
French (fr)
Other versions
EP0699531A1 (de
Inventor
Hans-Bernhard Dr.-Ing. Bolza-Schünemann
Claus August Bolza-Schünemann
Christian Martin Michael Fischer
Willi Albert Peter Kutzner
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 EP0699531A1 publication Critical patent/EP0699531A1/de
Application granted granted Critical
Publication of EP0699531B1 publication Critical patent/EP0699531B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1281—Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends

Definitions

  • the invention relates to a device for fastening of flexible plates with folded ends on one Cylinder of a rotary printing press according to the Preamble of claim 1.
  • a disadvantage of these devices is that A gap is created in the plate ends, which means none uniform guidance of interacting cylinders is guaranteed. This will make the Rotary press excited to vibrate what can adversely affect the print result.
  • DE 34 34 642 C1 shows a shock-free Printing plate and blanket tensioning device Cylinders of a rotary printing press with in one non-continuous cylinder pit and in tension tabs arranged webs, with a length of the webs only is a few fractions of a length of the cylinder pit.
  • a disadvantage of this clamping device is that the short bars are not suitable, large forces to absorb dynamic shock loads. Besides, will a specific load on the webs or one Cylinder pad material very high.
  • the invention has for its object a Device for fastening flexible plates with folded ends on a cylinder one Rotary press to create that comb-like designed ends of the plate and this special shaped, free ends of the plate supports.
  • the lateral surface provides areas for support a plate in the area of the ends of the plate for On the other hand, it is available through slot insertions allows easy attachment of the pressure plate. Shock loads and harmful to the printed image Vibrations of the cylinders due to axially extending Gaps are thus largely avoided.
  • the device according to the invention is in the drawing shown and is described in more detail below.
  • a cylinder 1 for receiving plates 2 with folded ends 3, 4 of a rotary printing press has a number of axially extending ones from one Shell surface 6 of the cylinder 1 in the cylinder interior extending slot entries, e.g. B. slit-shaped Pockets 7, on.
  • slot entries e.g. B. slit-shaped Pockets 7, on.
  • d1, z. B. 0.3 mm it is preferably printing plates, it but can also plates 2 with z. B. applied Blankets are used.
  • the pockets 7 extend axially over a length l1, z. B. 60 mm, and are in a distance a1, e.g. B. 60 mm, arranged.
  • the pockets 7 lie along an axially extending straight line located on the lateral surface 6 of the cylinder 1.
  • each individual pocket 7 is seen in cross section by z. B. two parallel side surfaces 8, 9, which are inclined by an angle of inclination alpha with respect to a tangent 11 of the lateral surface 6 of the cylinder 1 in the region of the pockets 7 and at a distance b1, and one at a distance t, z. B. 25 mm, limited to the tangent 11 arranged base 12.
  • the pocket 7 has a width b1, z. B. 1.5 mm, and depth t, z. B. 25 mm.
  • the angle of inclination alpha can be 30 ° to 90 °, preferably 45 °.
  • the right side surface 8 of the pocket 7 forms with the outer surface 6 of the cylinder 1 a hooking nose 13, which has an opening angle Alpha of z. B. has about 45 °.
  • the left side surface 9 of the pocket 7 closes with the lateral surface 6 of the cylinder 1 an opening angle Beta of z. B. about 135 ° and forms an obtuse-angled hook-in nose 14.
  • the acute-angled hook-in nose 13 is preferably arranged at a pressure start 16. If there is only a single row of pockets 7 for simultaneously receiving both folded ends of the plate 2, the width b1 of the pockets 7 is at least twice the thickness d1 of the plate 2.
  • a plurality of plates 2 on the cylinder 1 in the circumferential direction to apply, in addition several, for example two, by 180 ° offset rows of pockets 7 are introduced in the outer surface 6 of the cylinder 1.
  • the row of pockets 7 can extend over the entire width of the lateral surface 6 of the cylinder 1, or several rows of pockets 7 can also be provided over the width of the lateral surface 6 of the cylinder 1 depending on the number and arrangement of the plates 2.
  • adjacent rows of Bags 7 may be provided.
  • the width of the pockets 7 can only slight, e.g. 0.5 mm, greater than the thickness d1 of the Plate 2.
  • the cylinder 1 is one axially extending groove 18 provided by a first side surface 19, which is the angle of inclination Alpha Pockets 7, a second side surface 21, the extends approximately radially and one parallel to Tangent 11 of the lateral surface 6 of the cylinder 1 extending base 22 is formed.
  • this Groove 18 is attached to an insert bar 23, the left side surface 24 and base surface 26 on the Side surface 21 and base surface 22 of the groove 18 abuts.
  • An outer surface 27 of the insert bar 23 is the contour adapted to the outer surface 6 of the cylinder 1.
  • the second Side surface 9 of the pocket 7 is from a side surface 25 of the insert bar 23 is formed. This insert bar 23 can be axially displaceable.
  • the side surface 25 is axially specially trained.
  • the width b2 or the length l2 corresponds the width b1 or the distance a1 of the pockets 7, so that the groove 18 completely in the area of the prongs 28 is closed.
  • An outer surface 29 of the tines 28 is each also the contour of the lateral surface 6 of the Adjusted cylinder 1 and thus sets the lateral surface 6th practically seamless.
  • the groove 18 is axial not seen continuously, but the outer surface 6 of the cylinder 1 is with pockets 7 of width b1 and Provide length l1 at distance a1.
  • Through the inclined Pockets 7 of width b1 are formed in the lateral surface 6 an opening of a width b7 to be bridged.
  • Both folded ends 3, 4 of the plate 2 are over the Width of the plate 2 with a number of recesses 31, 32 of a width b4, e.g. B. 60 mm provided.
  • the folded ends 3, 4 are thus of a number of mounting tabs 33, 34, - or others Hanging brackets -, a length l3, z. B. 20 mm, and a width b3, e.g. B. 60 mm with the flat Plate 2 each an angle gamma, e.g. B. 135 °, at Print end 17 and an angle delta, e.g. B. 45 °, on Include print start 16, formed.
  • Mounting tabs 33, 34 and recesses 31, 32 are arranged alternately.
  • the angle Delta at the beginning of the print is acute, while the angle Gamma at Printing end is dull.
  • the plate 2 is in the area of the recesses 32 via a bending line 36 of the Fastening tabs 34 also with tongues 37, one Width b6 and length l6 continued.
  • the Cutouts 31 over a bending line 38 of the Fastening tabs 33 also in incisions 39 of the Plate 2 of width b5 and length l5 continued.
  • Incisions 39 and tongues 37 are at the beginning of the print 16 and Printing end 17 attached opposite.
  • the tongues 37 are attached to the printing end 17.
  • the width b5 of the incisions 39 is at least as large as the width b6 of the tongues 37.
  • the length l6 the tongue 37 is at least so large that the width b7, e.g. B. 3 mm, d. H. which on the lateral surface 6 of the Cylinder 1 through the width b2 of the inclined pockets 7 results, is bridged safely.
  • the fastening tabs 33, 34 at the start of the print 16 and the end 17 of the print are each suspended in the pockets 7 simultaneously, as a result of which the tongues 37 of one end 3 of the plate 2 engage tooth-like in the incisions 39 of the opposite end 4 of the plate 2.
  • the fastening tabs 33, 34 of the print start 16 and print end 17 are close to one another and form interrupted joints 41 extending in the axial direction, while the tongues 37 form a number of bridges next to the joints 41, which prevent the joints 41 from damaging the print image come.
  • Second butt joints 42 formed by ends of the tongues 37 and ends of the incisions 38 also extend in the axial direction.
  • the first joints 41 are offset from the second joints 42 in the circumferential direction of the cylinder 1. In addition, they are bridged by the directly adjacent fastening tabs 33 lying next to them on the lateral surface 6 of the cylinder 1 of the part of the plate 2.
  • the ratio of the sum of all widths b6 of the tongues 37 to the sum of all widths b3 of the fastening tab 33, 34 is approximately 0.5 to 1.5, preferably 1.
  • the continuous proportion of the plate 1 in the area of the joints 39, 41 is preferably 50% in each case.
  • the fastening tabs 33, 34 of the plate 2 with clamping and / or tensioning devices, which are arranged below the pockets 7 or next to the pockets 7, work together and are held in place inside the cylinder 1.
  • At least one fastening tab 33 with at least one pocket 7 or a side wall a pocket 7 as a side register stop work together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP95111885A 1994-08-06 1995-07-28 Vorrichtung zum Befestigen von biegsamen Platten mit abgekanteten Enden auf einem Zylinder einer Rotationsdruckmaschine Expired - Lifetime EP0699531B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4427944 1994-08-06
DE4427944A DE4427944C1 (de) 1994-08-06 1994-08-06 Vorrichtung zum Befestigen von biegsamen Platten mit abgekanteten Enden auf einem Zylinder einer Rotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP0699531A1 EP0699531A1 (de) 1996-03-06
EP0699531B1 true EP0699531B1 (de) 2001-04-04

Family

ID=6525124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95111885A Expired - Lifetime EP0699531B1 (de) 1994-08-06 1995-07-28 Vorrichtung zum Befestigen von biegsamen Platten mit abgekanteten Enden auf einem Zylinder einer Rotationsdruckmaschine

Country Status (4)

Country Link
US (1) US5704289A (ja)
EP (1) EP0699531B1 (ja)
JP (1) JP2898579B2 (ja)
DE (2) DE4427944C1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015162B3 (de) * 2005-04-02 2006-05-04 Koenig & Bauer Ag Vorrichtung zum Befestigen eines Gummituchs auf einem Zylinder
DE102010001751A1 (de) * 2010-02-10 2011-08-11 KOENIG & BAUER Aktiengesellschaft, 97080 Vorrichtung zum Befestigen zumindest eines Aufzugs auf einem Zylinder

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2776566B1 (fr) * 1998-03-27 2000-06-16 Heidelberger Druckmasch Ag Cylindre de groupe d'impression equipe d'une plaque d'impression a extremites coudees, se fixant sur lui, pour machines rotatives a imprimer
JP2979315B1 (ja) 1998-11-26 1999-11-15 株式会社東京機械製作所 印刷版及びこの印刷版を装着する版胴
DE10360012A1 (de) * 2003-12-19 2005-07-28 Man Roland Druckmaschinen Ag Gummituchplatte zum Aufspannen auf einen Zylinder
JP2019084738A (ja) * 2017-11-06 2019-06-06 三菱重工機械システム株式会社 印刷ユニット及び印刷機
US11042564B1 (en) * 2018-09-27 2021-06-22 Xilinx, Inc. Transaction associations in waveform displays

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434642C1 (de) * 1984-09-21 1986-06-19 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Stoßfreie Druckplatten- und Gummituchspannvorrichtung an Druckwerkszylindern von Rotationsdruckmaschinen

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US2641183A (en) * 1948-07-24 1953-06-09 Fairchild Camera Instr Co Image-reproducing plate and cylinder assembly
US2935937A (en) * 1957-10-29 1960-05-10 Davidson Corp Plate clamp for printing machine
US2965025A (en) * 1959-04-02 1960-12-20 Cottrell Company Printing plate lockup for wrap around plates
US3217644A (en) * 1962-03-30 1965-11-16 Mosstype Corp Clamping means for mounting carrier sheets on flat or round surfaces
US3195458A (en) * 1963-12-03 1965-07-20 Paper Converting Machine Co Printing apparatus and method
US3536003A (en) * 1967-07-10 1970-10-27 Sta Hi Corp Printing press cylinder with mechanical and vacuum holding means for flexible printing plates
DE3345369A1 (de) * 1983-12-15 1985-06-27 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Einrichtung zur befestigung einer druckplatte am plattenzylinder einer druckmaschine
IT1184342B (it) * 1985-02-27 1987-10-28 G Cerruti Spa Off Mec Procedimento per il bloccaggio di una lastra da stampa su un cilindro da stampa,dispositivo di bloccaggio nonche' relativa lastra
DE3543704A1 (de) * 1985-12-11 1987-06-19 Md Papierfabrik Pasing Nicolau Vorrichtung und verfahren zum bedrucken einer bahn
DE3918977A1 (de) * 1989-06-10 1990-12-20 Basf Ag Tiefdruckzylinder zum befestigen von biegsamen tiefdruckplatten
DD290627A5 (de) * 1989-12-22 1991-06-06 Veb Kombinat Polygraph "Werner Lamberz",De Vorrichtung zum befestigen einer biegsamen druckplatte
DE4036389A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
DE4036388A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
DE4036390A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
DE4036387A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
DE4036391A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434642C1 (de) * 1984-09-21 1986-06-19 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Stoßfreie Druckplatten- und Gummituchspannvorrichtung an Druckwerkszylindern von Rotationsdruckmaschinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015162B3 (de) * 2005-04-02 2006-05-04 Koenig & Bauer Ag Vorrichtung zum Befestigen eines Gummituchs auf einem Zylinder
DE102010001751A1 (de) * 2010-02-10 2011-08-11 KOENIG & BAUER Aktiengesellschaft, 97080 Vorrichtung zum Befestigen zumindest eines Aufzugs auf einem Zylinder
DE102010001751B4 (de) * 2010-02-10 2013-05-16 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Befestigen zumindest eines Aufzugs auf einem Zylinder

Also Published As

Publication number Publication date
DE59509151D1 (de) 2001-05-10
JPH0858064A (ja) 1996-03-05
US5704289A (en) 1998-01-06
DE4427944C1 (de) 1995-11-02
JP2898579B2 (ja) 1999-06-02
EP0699531A1 (de) 1996-03-06

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