EP2114681A1 - Printing unit of a rotary printing press and a method for washing a dampening unit of a printing unit - Google Patents
Printing unit of a rotary printing press and a method for washing a dampening unit of a printing unitInfo
- Publication number
- EP2114681A1 EP2114681A1 EP07821905A EP07821905A EP2114681A1 EP 2114681 A1 EP2114681 A1 EP 2114681A1 EP 07821905 A EP07821905 A EP 07821905A EP 07821905 A EP07821905 A EP 07821905A EP 2114681 A1 EP2114681 A1 EP 2114681A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- dampening
- inking
- printing unit
- printing
- 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
Links
- 238000007639 printing Methods 0.000 title claims abstract description 115
- 238000005406 washing Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007645 offset printing Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 8
- 238000009499 grossing Methods 0.000 description 6
- 239000003599 detergent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/04—Cleaning arrangements or devices for inking rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/002—Cleaning arrangements or devices for dampening rollers
Definitions
- the invention relates to a printing unit of a rotary printing press and a method for washing a dampening unit of a printing unit according to the preamble of claim 1 or 35.
- WO 2004/054804 A1 and WO 2005/007409 A2 describe dyeing and dampening units with switchable bridge rollers.
- the invention has for its object to provide a printing unit of a rotary printing machine and a method for washing a dampening unit.
- a structurally simple and cost-effective structure results when it is dispensed with an additional bridge roller and rather one of the already existing rollers of the inking unit or the dampening unit between a working position, d.
- a printing position and a washing position convertible for example, is designed to be pivotable such that in the washing position of the convertible roller rollers of the inking unit and rollers of the dampening unit are connected to a common roll train.
- Fig. 1 is a side view of a printing unit with two alternatively shown
- Fig. 2 is a side view corresponding to Figure 1, wherein an applicator roll of the dampening unit is the convertible roller and is in the rearranged washing position.
- Fig. 3 is a side view of an alternative embodiment, wherein an applicator roll of the inking unit is the convertible roller and is in the rearranged washing position;
- Fig. 5 shows an embodiment of a drive of the distribution cylinder of the inking unit.
- Fig. 1 shows a semi-schematic representation of a printing unit 01 of a rotary printing machine, not otherwise shown, for example, a web-fed rotary printing machine, in particular one printing in wet offset, z. B as a printing tower trained newspaper printing machine, wherein it may be for example the printing unit 01 to one of four printing units of a nine-cylinder satellite printing unit and the other printing units of the nine-cylinder satellite printing unit can be designed accordingly.
- the printing unit 01 may be, for example, six plates wide, d. H. the printing cylinder 02; 03 and 04 have an axial length of six printing plates, and the printing cylinder 02; 03; 04 may have a circumference of, for example, two printing plates.
- the printing unit 01 comprises in the case of the embodiment, a printing cylinder 02, which may be formed as a plate cylinder 02, in particular as a plate cylinder 02, cooperating with the forme cylinder 02 printing group cylinder 03, which may be formed as a transfer cylinder 03, in particular as a blanket cylinder 03, as well as a the transfer cylinder 03 cooperating further Printing cylinder 04, which may be formed as a counter-pressure cylinder 04, in the case of a nine-cylinder satellite printing unit as a satellite cylinder 04. Between the transfer cylinder 03 and the impression cylinder 04 is not shown a substrate web, in particular guided paper web and the transfer cylinder 03 generated at each of its turns at least one printed image on the paper web.
- the forme cylinder 02 is assigned an inking unit 06 and a dampening unit 07.
- the inking unit 06 and the dampening unit 07 are close together.
- both the inking unit 06 and the dampening unit 07 are employed for a printing operation of the printing unit 01 on the forme cylinder 02.
- the inking unit 06 has a plurality of rollers 08; 09; 1 1; 13; 14; 16; 17; 18 or inking rollers 08; 09; 1 1; 13; 14; 16; 17; 18 on. It comprises in detail three inking rollers 08; 09; 1 1, which are employed in a current production process of the rotary printing machine to the forme cylinder 02. Between a printing ink from a paint reservoir 12 receiving inking roller 13, z. B. ink fountain roller 13 and the ink on the forme cylinder 02 applying inking rollers 08; 09; 1 1 are a plurality of rollers 14; 16; 17; 18 arranged. The roller 14 next to the ink fountain roller 13 in the transporting direction of the ink is formed as a film roller 14.
- a roller 16 formed as a ink flow separating roller 16 which divides a color flow coming from the ink fountain roller 13 into a main flow passing through a drum 17 and into a bypass passing through a drum 18.
- the roller 17 and the roller 18 is as one in the main stream or in the secondary flow from the ink flow separating roller 16 on at least one of the inking rollers 08; 09; 1 1 ink transferring rubbing roller 17; 18 trained.
- the two friction rollers 17; 18 perform a running in their respective axial direction traverse stroke, wherein the Traversing stroke of a friction roller 17 z. B. may be coupled by a lever assembly with the traverse stroke of the other friction roller 18.
- the traverse stroke of the respective friction roller 17; 18 generated by independent drives. In both drive variants, the two traversing strokes can be designed in opposite directions.
- the traverse stroke of the respective friction roller 17; 18 can z. B. be generated by means of a gear from the rotational movement.
- Both in the main stream and in the sidestream ink taken from the ink reservoir 12 is in each case by means of a five juxtaposed rollers 13; 14; 16; 17; 08 and 13, respectively; 14; 16; 18 and 09 or 1 1 having roller train applied to the forme cylinder 02, wherein the ink fountain roller 13, the film roller 14, the Farbstromtrennwalze 16, one of the friction rollers 17; 18 and one of the inking rollers 08; 09; 1 1 are each part of each of the forme cylinder 02 leading roller train. Accordingly, only a single roller 14 is arranged in the roller train between the ink fountain roller 13 and the ink flow separation roller 16, this roller 14 being designed as a film roller 14.
- the ink reservoir 12 from which the ink fountain 13 removes the ink to be transported to the forme cylinder 02 is z. B. as a color box 12 or as a color tray 12, wherein the color box 12 or on the ink tray 12 in the axial direction of the ink fountain roller 13 strung together several, z. B. thirty to sixty paint knives (not shown) are provided, which are each preferably remotely adjustable with an adjusting means, not shown in their respective employment of the ink fountain roller 13 and actually employed, whereby a zonewise metering of the ink ductor 13 recorded ink is possible.
- the dosage of the amount of ink made with the setting of the respective colorimeter is expressed in a layer thickness of the printing ink in the zone in question on the lateral surface of the ink fountain roller 13, which is proportional to this setting.
- the inking unit 06 is accordingly designed as a zone inking unit in the preferred embodiment.
- the rollers 08; 09; 1 1; 13; 14; 16; 17; 18 of the inking unit 06 have in their respective axial direction a length z. B. in the range of 500 mm to 2,600 mm, in particular in the range of 1 .400 mm to 2,400 mm. Your outer diameter is z. B. in the range between 50 mm and 300 mm, preferably between 80 mm and 250 mm.
- the ink flow separation roller 16 has a lateral surface preferably made of an elastic material, for. B. made of a rubber.
- the dampening unit 07 has a plurality of rollers 21; 22; 23 or dampening rollers 21; 22; 23 on. It is preferably as a dampening means contactless applying dampening 07, z. B. formed as a spray dampening unit 07, so that it has a spray bar 19, wherein preferably a plurality of arranged in the spray bar 19 spray nozzles the dampening solution to a z. B. sprayed as a dampening drive roller 21 roller 21 of the dampening unit 07 spray.
- the dampening agent sprayed onto the dampening roller 21 is replaced by another z. B. as a smoothing roll 22 formed roller 22 of the dampening unit 07 on the dampening roller 23 trained roller 23 and transferred from there to the forme cylinder 02.
- the smoothing roller 22 can perform a traversing stroke extending in its axial direction.
- the radial stroke of these rollers 08; 09; 1 1; 14; 16; 21; 23 refers to the fact that the respective axis of these rollers 08; 09; 1 1; 14; 16; 21; 23 or at least one of the ends of these rolls 08; 09; 1 1; 14; 16; 21; 23 opposite one to the respective roller 08; 09; 1 1; 14; 16; 21; 23 belonging, possibly frame-fixed or, in the case of rollers 08 or 23, in contrast, also adjustable, z. B pivotable (see below) bearing point is eccentrically adjustable.
- the eccentric adjustment of each of the rollers 08; 09; 1 1; 14; 16; 21; 23 takes place in each case by means of preferably a plurality of preferably at least two, z. B.
- each actuated actuator 24 each with respect to the roller 08; 09; 1 1; 14; 16; 21; 23, to which it belongs, exerts a radial force, this force being the axis of this roller 08; 09; 1 1; 14; 16; 21; 23 moves radially or at least tries to move.
- actuators 24 are actuated simultaneously, resulting from the axis of the respective roller 08; 09; 1 1; 14; 16; 21; 23 executed radial stroke of a vector sum of the respective radial force of the actuators actuated 24th
- the actuators 24 are z. B. subjected to a pressure medium; Preferably, they are pneumatically operated.
- the actuators 24 are z. B. in each case one end of the respective roller 08; 09; 1 1; 14; 16; 21; 23 receiving roller lock preferably arranged in a structural unit.
- the from the axis of the respective roller 08; 09; 1 1; 14; 16; 21; 23 executable Radialhub is preferably in the range of a few millimeters, z. B. it is up to 10 mm, which is sufficient to the respective roller 08; 09; 1 1; 14; 16; 21; 23 of at least one adjacent cylindrical rotary body, for. B. the forme cylinder 02, turn off.
- a drive concept for the printing unit 01 is sketched, which can be implemented in all embodiments of Figures 1 to 3 and drive motors 32; 33; 34; 36 and 37 includes.
- a separate motor 32 is provided for the transfer cylinder 03 or blanket cylinder 03, a separate motor 33 for the forme cylinder 02 or the plate cylinder 02, a separate motor 34 for the ink ductor 13, a separate motor 36 at least for the smoothing roller 22 of the dampening unit 07 and a separate motor 37 at least for the rubbing roller 17 of the inking unit 06.
- This standard configuration of the drive concept for the printing group 01 is shown in FIG. 4 by one of the respective drive motors 32; 33; 34; 36 and 37 outgoing dashed line indicated.
- Friction roll 18 indicates the direction of rotation of Friction roll 18, in which a still to be explained washing process in the inking unit 06 and / or in the dampening unit 07 is executed.
- the direction of rotation of the rubbing roller 18 opposite to the directional arrow shown in FIG. 4 is the direction of rotation of the rubbing roller 18 during a production process of the printing group 01, in which ink is transported from the ink reservoir 12 to the forme cylinder 02 in the inking unit 06.
- a coupling gear for example via a transmission
- Fig. 5 is an advantageous embodiment for the drive of the friction rollers 17; 18, wherein only the friction roller 18 is rotatably positively driven, however, both friction rollers 17; 18 is forcibly driven axially via a common traversing drive 42.
- the drive motor 37 drives the drive motor 37 via a coupling 43 and a shaft 44, a drive pinion 46, which in turn cooperates with a rotatably connected to the friction roller 18 spur gear 47.
- the compound can e.g. via a spur gear 47 carrying axle 48 on a pin 49 of the friction roller 18 done.
- a corresponding axle section 48 of the friction roller 17 has no such spur gear 47 or no drive connection to the drive motor 37.
- the drive connection between the drive pinion 46 and the spur gear 47 of the friction roller 18 is preferably straight toothed and formed with a sufficiently large overlap in the teeth engagement for each position of the traversing movement.
- the two friction rollers 17; 18 are mounted in a side frame 51 in bearings 52, such as radial bearings 52, which also allow axial movement.
- a rotary drive connection between the drive motor 37 and the friction roller 17 does not exist here.
- the drive pinion 46 and the on the axle 48th arranged spur gear 47 together represent a transmission, in particular reduction gear for the rotary drive, which can be a self-contained and / or preassembled unit with its own housing 50.
- the assembly is the output side coupled to the pin 49.
- the traverse drive 42 is also driven by the drive motor 37, e.g. via a worm drive 53; 54.
- a worm 53 arranged on the shaft 44 or a section 53 of the shaft 44 designed as a worm drive a worm gear 54, which is non-rotatably connected to a rotation axis of the friction rollers 17; 18 extending shaft 56 is connected.
- a driver 57 is arranged eccentrically to the axis of rotation, which in turn is arranged, for example.
- a crank mechanism for example via a lever 58 rotatably mounted on the driver 57 and a hinge 59 in the axial direction of the friction rollers 17; 18 pressure and zugsteif with the pin 49 of the friction rollers 17; 18 is connected.
- a rotation of the shaft 56 causes a rotation of the driver 57, which in turn via the crank drive an axial stroke of the friction rollers 17; 18 causes.
- the traversing drive 42 or the traversing gear 42 is formed overall as a structural unit with its own housing 61, which may be additionally encapsulated.
- the traversing gear 42 may be lubricated in the enclosed space with oil or, preferably, with grease.
- the traversing gear 42 is supported in the illustrated embodiment by a support 52 connected to the frame 52.
- the drive motor 37 is in this case releasably connected to the housing 61 of the traversing gear 42.
- Fig. 5 is further denoted by the reference numeral 63, a drive control 63 for the drive motor 37.
- the inking unit 06 further comprises a washing device 26, for example, the automatic detergent feeds, not shown, one to a roller 18, in particular a Rubbing roller 18 of the inking unit 06 engageable washer blade 27 and a drip tray 28 may include.
- This washing device 26 can be adjusted for the purpose of cleaning the inking unit 06 to the roller 18, for example, mounted pivotable.
- a washing device 38 applying a detergent to the ink flow separating roller 16 may be provided, which preferably sprays the detergent onto the surface of the rotating ink flow separating roller 16.
- This alternative or additional washing device 38 works together in the washing process at least with the engageable with the rubbing roller 18 of the inking unit 06 wash blade 27.
- the convertible roller 08 and 23 may be arranged for the purpose of switching, for example, displaceable, preferably However, it is pivotally mounted, in particular pivotable about the axis of the respective adjacent roller 17 and 22, with which it cooperates directly in the printing operation and with which it is also drivingly connected.
- Fig. 1 is indicated by the dashed lines that either the applicator roller 08 on a pivot lever mechanism 29 about the axis of the friction roller 17 may be pivotally mounted or the applicator roll 23 on a pivot lever mechanism 31 about the axis of rotation of the smoothing roller 22; as another alternative, both rollers 08; 23 be um founded, for example, if necessary to bridge a greater distance.
- the reversible rollers 08 and 23 are shown in their respective working position in the printing operation.
- Fig. 2 relates to the embodiment in which the applicator roll 23 of the dampening unit 07 pivotally, d. H. is stored um plausible.
- Fig. 2 shows the convertible applicator roll 23 in its converted position, ie its washing position in which it is pivoted from its printing cylinder near working position of the forme cylinder 02 and in a printing cylinder remote position on the applicator roller 08 of the inking system 06 is applied, so that for example on the rollers 08 ; 17; 16; 18; 23; 22; 21 is a common roller of the inking unit 06 and the dampening unit 07 is formed so that inking unit 06 and dampening unit 07 together by means of the same washing device 26; 38 or by the use of both washing devices 26; 38 can be washed.
- Fig. 3 relates to the alternative embodiment, in which the applicator roller 08 of the inking unit 06 pivoted, d. H. is stored um plausible.
- Fig. 3 shows the convertible applicator roller 08 in its rearranged position, ie its washing position in which it is pivoted from its printing cylinder near working position of the forme cylinder 02 and in a printing cylinder remote position on the applicator roll 23 of the dampening unit 07 is applied, so that, for example, in turn on the rollers 08; 17; 16; 18; 23; 22; 21 is a common roller of the inking unit 06 and the dampening unit 07 is formed so that inking unit 06 and dampening unit 07 together by means of the same washing device 26; 38 or by the use of both washing devices 26; 38 can be washed.
- Fig. 4 shows an operating state of the printing unit 01, in which all applicator rollers 23; 08; 09; 1 1 are in "print-off" - position, so are spaced from the forme cylinder 02, wherein the two applicator rollers 08; 23 are moved to their bridge position and thus inking 06 and dampening unit 07 connect to each other, so that over the bridge so formed Washing the dampening unit 07 by means of the inking unit 06 arranged washing device 26, 38 or by the use of both washing devices 26, 38 is made possible.
- the convertible applicator rollers 08 and 23 are formed so that a pressure-on position and a pressure-off position of these rollers 08; 23 is in each case via their radialhubfixede, actuated by the actuators 24 storage takes place while these rollers 08; 23 for a reversal between working position (position in the printing operation) and washing position (position in the washing operation) are pivoted.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710006063 DE102007006063B4 (en) | 2007-02-07 | 2007-02-07 | Printing unit of a rotary printing machine |
DE102007000926 | 2007-08-31 | ||
PCT/EP2007/061545 WO2008095551A1 (en) | 2007-02-07 | 2007-10-26 | Printing unit of a rotary printing press and a method for washing a dampening unit of a printing unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2114681A1 true EP2114681A1 (en) | 2009-11-11 |
EP2114681B1 EP2114681B1 (en) | 2010-12-01 |
Family
ID=39106276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07821905A Active EP2114681B1 (en) | 2007-02-07 | 2007-10-26 | Printing unit of a rotary printing press and a method for washing a dampening unit of a printing unit |
Country Status (5)
Country | Link |
---|---|
US (1) | US8327763B2 (en) |
EP (1) | EP2114681B1 (en) |
AT (1) | ATE490085T1 (en) |
DE (1) | DE502007005880D1 (en) |
WO (1) | WO2008095551A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010040383B4 (en) | 2010-09-08 | 2012-09-13 | Koenig & Bauer Aktiengesellschaft | Printing units and a method for operating a printing unit |
WO2021065418A1 (en) * | 2019-09-30 | 2021-04-08 | 富士フイルム株式会社 | Planographic printing method |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1932642U (en) | 1964-10-27 | 1966-02-17 | Roland Offsetmaschf | MOISTURIZING. |
GB1207220A (en) | 1968-07-03 | 1970-09-30 | Pfizer & Co C | Paper coating and coated paper |
US3673959A (en) * | 1970-04-22 | 1972-07-04 | North American Rockwell | Dampening system for lithographic printing press |
US3701316A (en) | 1970-05-18 | 1972-10-31 | Harris Intertype Corp | Ink and dampener form roll interruption for cleaning purposes |
US3842735A (en) * | 1972-12-22 | 1974-10-22 | Harris Intertype Corp | Lithographic printing apparatus and wash-up device |
DE2301692A1 (en) | 1973-01-13 | 1974-07-18 | Maschf Augsburg Nuernberg Ag | INK APPLICATION DEVICE FOR PRINTING UNITS OF ROTARY PRINTING MACHINES FOR PRINTING BY THE OFFSET OR HIGH PRESSURE PROCESS |
US4036131A (en) | 1975-09-05 | 1977-07-19 | Harris Corporation | Dampener |
DE2932105C2 (en) | 1979-08-08 | 1982-08-12 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Inking unit and dampening unit of a rotary offset printing machine with two inking roller lines |
DE4012283A1 (en) | 1990-04-17 | 1991-10-24 | Wifag Maschf | Inking and moistening mechanism for reversible printing press |
DE10258326B4 (en) | 2002-12-13 | 2006-12-14 | Koenig & Bauer Ag | Method for controlling a first roller and a second roller receiving a dampening solution from a fountain solution reservoir |
DE10352616A1 (en) | 2003-07-11 | 2005-02-10 | Koenig & Bauer Ag | Printing unit of a printing press |
JP4786325B2 (en) | 2004-12-21 | 2011-10-05 | 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 | Method for cleaning an anilox inking device of a printing press |
DE102005056812A1 (en) | 2004-12-21 | 2006-06-29 | Heidelberger Druckmaschinen Ag | Washing of anilox inking unit of printing press, involves introducing washing agent into anilox inking unit via dampening unit of press or portion of dampening unit, and washing anilox inking unit |
DE102005014060B4 (en) | 2005-03-23 | 2008-11-20 | Koenig & Bauer Aktiengesellschaft | Inking unit of a printing press |
-
2007
- 2007-10-26 US US12/449,067 patent/US8327763B2/en not_active Expired - Fee Related
- 2007-10-26 WO PCT/EP2007/061545 patent/WO2008095551A1/en active Application Filing
- 2007-10-26 AT AT07821905T patent/ATE490085T1/en active
- 2007-10-26 DE DE502007005880T patent/DE502007005880D1/en active Active
- 2007-10-26 EP EP07821905A patent/EP2114681B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008095551A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008095551A1 (en) | 2008-08-14 |
ATE490085T1 (en) | 2010-12-15 |
US20100101436A1 (en) | 2010-04-29 |
DE502007005880D1 (en) | 2011-01-13 |
US8327763B2 (en) | 2012-12-11 |
EP2114681B1 (en) | 2010-12-01 |
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