EP0606861A1 - Dispositif d'encrage pour une machine à imprimer rotative - Google Patents

Dispositif d'encrage pour une machine à imprimer rotative Download PDF

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Publication number
EP0606861A1
EP0606861A1 EP94100210A EP94100210A EP0606861A1 EP 0606861 A1 EP0606861 A1 EP 0606861A1 EP 94100210 A EP94100210 A EP 94100210A EP 94100210 A EP94100210 A EP 94100210A EP 0606861 A1 EP0606861 A1 EP 0606861A1
Authority
EP
European Patent Office
Prior art keywords
ink
cylinder
roller
inking
width
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.)
Granted
Application number
EP94100210A
Other languages
German (de)
English (en)
Other versions
EP0606861B1 (fr
Inventor
Georg Schneider
Wolfgang Otto Reder
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 Albert AG
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 Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0606861A1 publication Critical patent/EP0606861A1/fr
Application granted granted Critical
Publication of EP0606861B1 publication Critical patent/EP0606861B1/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
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/38—Means for axially reciprocating inking rollers

Definitions

  • the invention relates to an inking unit for a rotary printing press, in particular a rotary printing press according to the preamble of patent claim 1.
  • ink application rollers On a plate cylinder, which transfer the printing ink from ink rubbing cylinders which, in addition to their rotational movement, simultaneously reciprocate in the axial direction.
  • ink rubbing z. B. By the back and forth movement of these ink rubbing z. B. with a so-called.
  • Panorama printing a uniform color distribution over half a width of the plate cylinder possible, although the ink ductor over its length several, z. B. has three circumferential grooves for receiving separating plates of ink boxes arranged in the axial direction.
  • a disadvantage of this inking unit is that the colors run into one another when they are transferred if a half-cylinder-wide panorama print of maximum width and two quarter-cylinder-wide prints of maximum width are printed, since the length of the axial stroke of the ink-rubbing cylinder is at least the width of a color-free one Zone must correspond, which results from a partition between two ink fountains on the ink duct and which has to be compensated by the ink rubbing cylinder for panoramic printing.
  • the distances between the color-free zones between the printing sets with maximum width on the plates of the plate cylinder are smaller than the distances between the color-free zones on the ink duct, so that the individual colors run into one another in the printing sets.
  • the invention has for its object to provide in a inking unit of a web-fed rotary printing machine between a reciprocating ink rubbing cylinder in the axial direction and a plate cylinder a frictionally running ink application roller, by means of which a half-cylinder-wide panorama print and two quarter-cylinder-wide prints of maximum width are transferred to the plates of a plate cylinder whose color-free zones between the printing sets are smaller than the distances between the color-free zones on a color ductor.
  • An inking unit of a web-fed rotary printing press designated as a whole by 1, has an inking unit 2, which has four adjacent, annular outer surfaces 3, 4, 6, 7, which are separated from one another by recesses or annular grooves 8, 9, 10, each with a width a.
  • Each lateral surface 3, 4, 6, 7 is assigned a quarter-cylinder-wide ink fountain (not shown), the separating plates of which engage positively in the ring grooves 8, 9, 10 and thus separate the individual ink fountains from one another.
  • a film roller 12 connects to the ink fountain roller 2, which is in turn connected to an ink rubbing cylinder 14 via an ink transfer roller 13.
  • Another ink transfer roller 16 is arranged between the ink rubbing cylinder 14 and a second ink rubbing cylinder 17, which in turn is circumferentially connected to a plate cylinder 21 via two ink application rollers 18, 19 according to the invention which run parallel to one another and which in turn interacts with a blanket or printing cylinder, not shown.
  • the film roller 12 has an uninterrupted lateral surface, as do the ink rubbing cylinders 14, 17 which can be moved back and forth in the axial direction.
  • Those interacting with the ink rubbing cylinders 14, 17 Ink transfer rollers 13, 16 each have in their outer surface annular grooves 22, 23, 24 with a width a, which separates the entire outer surface into four adjacent, equally large, annular outer surfaces 26, 27, 28, 29.
  • the plate cylinder 21 carries three pressure plates 31, 32, 33 on its circumference, of which the first two pressure plates 31, 32 each correspond to approximately a quarter cylinder width and have a maximum printing width B.
  • the third printing plate 33 is provided for a panorama print with a maximum printing width C that takes up about half a cylinder width.
  • the alignment lines 87, 88 run within the area a of the ink duct 2 or the ink transfer rollers 13, 16.
  • the two ink application rollers 18, 19 running parallel to one another between the ink rubbing cylinder 17 and the plate cylinder 21 each have two annular grooves 37, 38 on their circumference, analogous to the number of ink-free zones 34, 36 on the plate cylinder 21.
  • the annular grooves 37, 38 each separate lateral surfaces 39, 41, 42 of the inking rollers 18, 19, the width L, M of which is slightly larger (difference de) than the width B. , C correspond to the pressure plates 31, 32, 33, that is to say approximately a quarter cylinder width L or half a cylinder width M.
  • the annular grooves 37, 38 have a width e which is less than the width d of the ink-free zones 34, 36 on the plate cylinder 21.
  • the width L, M of the lateral surfaces 39, 41, 42 is in each case around the difference de greater than the printing width B, C of the printing plate 31, 32, 33.
  • the rollers or cylinders 2, 12, 14, 17, 21 mentioned are mounted on the side frame, the rollers 13, 16, 18, 19 are articulated in the frame Bearing arms arranged.
  • the rollers 13, 16, 18, 19 arranged in bearing arms are frictionally driven by the aforementioned rollers or cylinders 2, 12, 14, 17, 21 via their outer surface.
  • the functioning of the inking unit 1 with the inking roller 18, 19 according to the invention is as follows: From ink fountains, not shown, the four lateral surfaces 3, 4, 6, 7 of the ink ductor 2 are printed in the same order, the printing inks yellow (diagonally hatched), blue (horizontally hatched) , supplied twice in red (hatched vertically) and transferred via the film roller 12 and ink transfer roller 13 to the first ink rubbing cylinder 14, which changes in the axial direction of movement G. From there, the printing inks pass through the second ink transfer roller 16 to the second ink rubbing cylinder 17.
  • each of the surfaces on the ink rubbing cylinder 14 with the colors yellow, blue, red is supplemented by an annular surface with the width a.
  • 1 shows the inking rollers 18, 19 and the ink rubbing cylinder 17 in a first axial end position on the left side.
  • the inking rollers 18, 19 are taken along by a stroke length h as a result of frictional engagement over the outer surface of the ink rubbing cylinder 17, which results from the difference between the widths d and e.
  • the width d means the width of the annular ink-free zone 34, 36 between the printing plates 31, 32, 33 on the plate cylinder 21 and the width e the width of one of the annular grooves 37; 38.
  • Fig. 2 shows the inking rollers 18, 19 and the inking cylinder 17 in a second axial end position on the right side.
  • the ink application rollers 18, 19 which move with the ink rubbing cylinder 17 in the axial direction G make it possible to apply different printing inks to two printing plates 31, 32 of maximum printing width each having a quarter cylinder width, and to a panorama printing plate 33 of maximum width which is half a cylinder wide.
  • the maximum printing width is to be understood to mean that the distances between the color-free zones d are less than the distances between the color-free zones a at the ink fountain roller 2, so that there is no mixing of the printing inks by the second inking roller 17.
  • FIG Representations in FIg. 4 and 5 a storage of the inking roller 18 is shown.
  • Mechanically retractable pins 46, 47 are arranged in swivel-mounted bearing arms 43, 44, which engage non-positively in bearing bushes 48, 49, which are arranged on the two end faces of the inking roller 18.
  • an inner ring 51, 52 of a deep groove ball bearing, generally designated 53, 54 is arranged in a force-locking manner.
  • An outer ring 56, 57 of the deep groove ball bearing 53, 54 fits snugly against the inner circumference of a hollow cylindrical support body 58, 59, which protrudes from the end of a tubular roller body 61 of the inking roller 18.
  • the roller body 61 has a jacket made of plastic covering 62, which forms the jacket surfaces 39, 41, 42 of the inking roller 18, which are each separated by annular grooves 37, 38.
  • the annular grooves 37, 38 have such a depth, for. B. one to three mm, which ensures that only the outer surfaces 39, 41, 42 of the inking roller 18, 19 are wetted with printing ink.
  • An inner ring 51, 52 of the deep groove ball bearing 53, 54 is ground by an amount h in the axial direction, so that the balls 66 have a tread surface 67, 68 widened by an amount h.
  • the amount h also corresponds to the axial stroke length h of the inking roller 18.
  • the outer ring 56, 57 has a known ball seat 69, 71. It is also possible to use the known ball seat 69, 71 in the inner ring 51, 52 and the ground tread, widened to the amount h 67, 68 to be arranged in the outer ring 56, 57.
  • the deep groove ball bearings 53, 54 are held on both sides by retaining rings 72, 73.
  • FIG. 5 shows the inking roller 18 in a second axial right end position according to FIG. 2.
  • the inking roller 19 is mounted analogously to the inking roller 18.
  • FIG. 6 shows a second exemplary embodiment of a mounting of an inking roller 18 or 19.
  • Mechanically retractable pins 46, 47 which engage in bearing bushes 74, 76, are likewise arranged in pivotable bearing arms 43, 44 which are fixed on the side frame.
  • an annular slide bearing 79, 81 is arranged, which is held in each case by a retaining ring 73.
  • the inking roller 18 is in Fig. 6 in the right axial end position, so that the next stroke is to be carried out with a stroke length h to the left.
  • the bearing bushes 74, 76 each have a cylindrical stop 82, 83 in the axial direction on their outside, which strikes against a limiting disk 84, 86 of the support body 77, 78 during the axial stroke movement of the inking roller 18.
  • Limiting disks 84, 86 of this type are also provided in the bearing arrangements according to FIGS. 4 and 5.
  • FIG. 7 shows a path-time diagram of the axial movement of the inking roller 18, 19 according to the invention in connection with the inking cylinder 17.
  • a curve 91 shown in broken lines represents the movement sequence of one of the inking rollers 18, 19 and a further curve 92 represents the movement sequence of the inking cylinder 17.
  • the inking roller 18 has reached its right axial end position according to curve 91 after passing through its axial stroke length h, ie from -h / 2 to + h / 2.
  • the color friction cylinder 17 continues through its stroke distance + a / 2 to Time t2 continues according to curve 92 and assumes the position shown in FIGS. 2 and 5.
  • the inking roller 18 gives up its persistence in the right axial end position according to FIG. 2 and is moved by friction with the ink rubbing cylinder 17 in the direction -h / 2 and at time t3 after completing the stroke length h after its left axial end position Fig. 1 reached.
  • the inking cylinder 17 continues to move until the stroke distance a at the time t10 according to the representation according to curve 92. Thus, a total of one stroke of the four strokes shown in the diagram in FIG. 7 is completed.
  • the other strokes t10 / t20, t20 / t30; t30 / t40 run in an analogous manner.
  • the inking roller 18, 19 can of course be exchanged for a normal inking roller without recesses or ring grooves, unless it is necessary to produce two quarter-cylinder-wide prints of maximum width in addition to a half-cylinder-wide panorama print.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP94100210A 1993-01-13 1994-01-08 Dispositif d'encrage pour une machine à imprimer rotative Expired - Lifetime EP0606861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4300683 1993-01-13
DE4300683A DE4300683C2 (de) 1993-01-13 1993-01-13 Farbwerk für eine Rotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP0606861A1 true EP0606861A1 (fr) 1994-07-20
EP0606861B1 EP0606861B1 (fr) 1998-05-20

Family

ID=6478099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94100210A Expired - Lifetime EP0606861B1 (fr) 1993-01-13 1994-01-08 Dispositif d'encrage pour une machine à imprimer rotative

Country Status (4)

Country Link
US (1) US5406886A (fr)
EP (1) EP0606861B1 (fr)
JP (1) JP2752577B2 (fr)
DE (2) DE4300683C2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628647B4 (de) * 1996-07-16 2004-03-11 Man Roland Druckmaschinen Ag Farbtransportwalze für das Farbwerk einer Rollenrotationsdruckmaschine und Verfahren zur Herstellung der Walze
DE19628649C2 (de) * 1996-07-16 1998-07-16 Roland Man Druckmasch Zwischen Panoramadruck und Druck von vier Farben nebeneinander umstellbares Farbwerk
DE19628648C1 (de) * 1996-07-16 1998-02-12 Roland Man Druckmasch Zwischen Panoramadruck und Druck von vier Farben nebeneinander umstellbares Farbwerk
DE19750960C2 (de) * 1996-11-26 2002-08-14 Roland Man Druckmasch Filmfarbwerk für eine Rotationsdruckmaschine
DE29812966U1 (de) 1998-07-21 1998-09-24 MAN Roland Druckmaschinen AG, 63075 Offenbach Farbwerk für eine Offsetdruckmaschine
DE10118132B4 (de) 2001-04-11 2005-04-14 Koenig & Bauer Ag Farbwerk einer Rotationsdruckmaschine
DE10329426B4 (de) * 2003-07-01 2007-03-22 Koenig & Bauer Ag Farbwerk
DE102005030127A1 (de) 2005-06-28 2007-01-04 Maschinenfabrik Wifag Gegenläufige Farbreiber
RU2309045C1 (ru) * 2006-03-10 2007-10-27 Владимир Николаевич Токарев Печатная машина
JP2007309508A (ja) * 2006-04-20 2007-11-29 Kinyosha Co Ltd 揺動ローラー、転がり軸受、ローラーの揺動方法
DE102017202381A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Bedrucken von Hohlkörpern
DE102017202382A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Betrieb einer Vorrichtung zum Bedrucken von Hohlkörpern
DE102017202384A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Bedrucken von Hohlkörpern
DE102017206392A1 (de) 2017-04-13 2018-10-18 Koenig & Bauer Ag Segmentrad einer Vorrichtung zum Bedrucken von Hohlkörpern

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675448A (en) * 1927-06-06 1928-07-03 Diamond Match Co Inking mechanism for printing presses
US1915837A (en) * 1931-06-08 1933-06-27 George M Porter Printing press
GB656076A (en) * 1948-02-06 1951-08-08 Goss Printing Press Co Ltd Improvements in or relating to printing presses
EP0141058A2 (fr) * 1983-10-25 1985-05-15 Harris Graphics Corporation Dispositif d'encrage pour une presse d'impression
JPS6235845A (ja) * 1985-08-10 1987-02-16 Shinriyou Seikan Kk 印刷機のインキ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US516620A (en) * 1894-03-13 Ink-distributer
SE383291B (sv) * 1974-06-05 1976-03-08 Svenska Elopak Ab Anordning vid flexografiskt fergverk for tryckpress
DE3143909C2 (de) * 1981-11-05 1983-11-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbwerk für eine Offsetrotationsdruckmaschine
GB8605338D0 (en) * 1986-03-04 1986-04-09 Mccorquodale Commercial Produc Colour printing
DE4007775C1 (fr) * 1990-03-12 1991-09-19 Skf Gmbh, 8720 Schweinfurt, De

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675448A (en) * 1927-06-06 1928-07-03 Diamond Match Co Inking mechanism for printing presses
US1915837A (en) * 1931-06-08 1933-06-27 George M Porter Printing press
GB656076A (en) * 1948-02-06 1951-08-08 Goss Printing Press Co Ltd Improvements in or relating to printing presses
EP0141058A2 (fr) * 1983-10-25 1985-05-15 Harris Graphics Corporation Dispositif d'encrage pour une presse d'impression
JPS6235845A (ja) * 1985-08-10 1987-02-16 Shinriyou Seikan Kk 印刷機のインキ装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 218 (M - 607) 15 July 1987 (1987-07-15) *

Also Published As

Publication number Publication date
JP2752577B2 (ja) 1998-05-18
US5406886A (en) 1995-04-18
DE4300683A1 (de) 1994-07-14
DE59405968D1 (de) 1998-06-25
DE4300683C2 (de) 1998-08-13
JPH06238874A (ja) 1994-08-30
EP0606861B1 (fr) 1998-05-20

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