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
  • B41F7/10—Rotary lithographic machines for offset printing using one impression cylinder co-operating with several transfer cylinders for printing on sheets or webs, e.g. satellite-printing units
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/008—Mechanical features of drives, e.g. gears, clutches
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
  • B41P2213/70—Driving devices associated with particular installations or situations
  • B41P2213/73—Driving devices for multicolour presses
  • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2217/00—Printing machines of special types or for particular purposes
  • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
  • B41P2217/13—Machines with double or multiple printing units for "flying" printing plates exchange

Definitions

• the invention relates to a printing unit according to the preamble of claims 1, 23 and 24.
• a printing press is known from EP 06 44 048 B1, in each case a pair of cylinders consisting of forme and transfer cylinders is mechanically fixedly coupled and each pair has its own drive motor. The pairs cannot be coupled to one another.
• DE 44 30 693 A1 discloses printing units of a printing press with different configurations of individually or group-driven cylinders. Cylinders or cylinder groups with a separate drive are not in drive connection with each other.
• a four-cylinder printing unit is known, the two interacting transfer cylinders being firmly coupled to one another and optionally being drivable via the drive of one or both of the associated forme cylinders.
• a further pair of cylinders comprising the forme and transfer cylinders can be driven on this four-cylinder printing unit and can be coupled into the drive system of the first two transfer cylinders for the purpose of synchronization or register-correct printing.
• EP 09 97 273 A2 discloses a four-cylinder printing unit, the four cylinders being drivable by two drive motors. Two clutches on the pins of the two forme cylinders and two gear wheels axially displaceable on the pins of the two transfer cylinders enable the formation of different drive assemblies.
• the invention has for its object to provide a printing unit.
• the advantages that can be achieved with the invention are, in particular, that a great variety of operations and variability of a printing unit or a cylinder assembly with a high level of operational reliability are created by redundancy, without each cylinder being provided with its own drive.
• the invention combines the advantages of the high flexibility from the expensive and complex individual drive technology and the advantages of driving coupled cylinder groups, namely the saving of motors and the mechanical synchronization of the connected cylinders.
• a further major advantage lies in the possibility of standardizing individual small groups, for example a pair of cylinders consisting of a forme cylinder and a transfer cylinder with a corresponding coupling, and in any way depending on Combine delivery request for larger units.
• a standard group can also represent an above-mentioned pair together with an impression cylinder.
• the pins of the cylinders are z. B. optionally with or without clutch, with non-rotatable or lockable gear, suitable for a first or second drive level.
• the transfer cylinder of the pair is driven. This allows the flow of moments down to an inking unit to be clearly defined, which helps to improve the print quality.
• At least one of the transfer cylinders can optionally be adjusted to an impression cylinder or a second transfer cylinder, depending on the printing unit, a reversal of the direction of rotation of one or more cylinders, i. H. the release of drive groups and the formation of new drive groups required.
• the design with one drive motor per form / transfer cylinder pair is advantageous, the impression cylinder being able to be coupled to one of the two or to both drive motors or pairs, depending on the paper guide and mode of operation.
• a flying plate change is possible with only two drive motors and only two clutches for a five-cylinder printing unit, without the need for appropriate devices for re-acceleration, auxiliary drives or for circumferential register adjustment and / or for locating the register before recoupling.
• a one-sided printing form change e.g. B. possible to prepare an impression.
• the invention can also be used particularly advantageously and rationally in seven-cylinder, nine-cylinder or ten-cylinder printing units if maximum flexibility is required with a minimum number of engines.
• Figure 1 is a schematic representation of a first embodiment for a printing unit with three cylinders.
• FIG. 2 shows a schematic illustration of a second exemplary embodiment for a printing unit with three cylinders
• 3 shows a schematic illustration of a third exemplary embodiment for a printing unit with three cylinders
• FIG. 4 shows a schematic illustration of a fourth exemplary embodiment for a printing unit with three cylinders
• Fig. 5 is a schematic representation of a fifth embodiment for a printing unit with four cylinders
• FIG. 6 shows a schematic illustration of a sixth exemplary embodiment for a printing unit with four cylinders
• FIG. 7 shows a schematic illustration of a seventh exemplary embodiment for a printing unit with five cylinders
• FIG. 8 shows a schematic illustration of an eighth exemplary embodiment for a printing unit with five cylinders
• Fig. 9 is a schematic representation of a ninth embodiment for a printing unit with five cylinders.
• a printing unit 01 of a printing press in particular one
• Web-fed rotary printing press has a first pair 02 of interacting cylinders 03; 04, e.g. B. a first forme cylinder 03 and a cooperating with this first transfer cylinder 04.
• the pair 02 can also be mechanically or permanently coupled with a dyeing and / or dampening unit for all exemplary embodiments.
• the drive of the pair 02 is mechanically coupled and is driven by a common drive motor 06 during production.
• the drive motor 06 drives the transfer cylinder 04, which via a mechanical coupling, for example on the form cylinder 03 via a positive coupling by means of gear wheels.
• An advantage with regard to the drive of the transfer cylinder 04 is that there is a clear torque flow from the drive motor 06 to the transfer cylinder 04, the forme cylinder 03 and an optional drive connection to an inking unit.
• the transfer cylinder 04 of the pair 02 forms with a third cylinder 08 or 09, e.g. B. a satellite cylinder 08, z. B. a steel cylinder 08, or a second transfer cylinder 09, a pressure point 11, at which the two cylinders 04 and 08 or 09 in a pressure-on position via a path running between the cylinders 04 and 08 or 09, z. B. a substrate or paper web, work together.
• This third cylinder 08 serves the transfer cylinder 04 in a pressure-on position as an abutment and vice versa.
• the drive of the first pair 02 and that of the third cylinder 08; 09 can be connected to one another by means of a switchable, mechanical coupling 12, for example by means of a switchable coupling 12.
• the printing unit 01 represents, for example, a three-cylinder color deck or part of a larger printing unit with impression cylinder 08 designed as a satellite cylinder 08.
• the third cylinder 08 is designed without its own drive.
• the drive motor 06 of the first pair 02 drives the transfer cylinder 03, which drives on the forme cylinder 04.
• the cylinders 03; 04; 08 and 09 each have associated pins 13; 14; 16 and 17 on which on both end faces in a frame wall 18, for example a housing wall 18 are mounted.
• gears 19 and 21 are arranged on the end face in a rotationally fixed manner. These are in engagement with one another in such a way that there is a firm mechanical coupling between the interacting forme 03 and transfer cylinder 04.
• the gear 21 of the transfer cylinder 04 is directly or via a gear 22, for. B. a pinion 22 of the drive motor 06, drivable and forms a fixed drive assembly 23 for the pair 02 together with the gear 19.
• a second gear 24 is rotatably mounted, which, however, can be rotated by means of the switchable clutch 12 is connectable on the pin 14.
• This gear wheel 24 engages in a form-fitting manner on the pin 16 or 17 of the third cylinder 08; 09 rotatably arranged gear 26 or 27.
• the drive motor 06 is preferably arranged stationary with respect to the frame wall 28, for example on a housing wall 28 or on its own frame. If the cylinder 04, z. B.
• the drive motor 06 can also be arranged in a fixed position relative to the transmission cylinder 04 to be driven, or the meshing pinions 22 and gear 21 are arranged with sufficient play.
• the third cylinder 08; 09 can be stopped by opening the clutch 12 independently of the first pair 02 or a further drive system, not shown, can be moved, while the pair 02, for example for the purpose of changing the printing form or blanket, pre-inking or washing independently of the third cylinder 08; 09 can be moved, braked or accelerated again.
• clutch 12 is closed, third cylinder 08; 09 can be mechanically and synchronized with pair 02. Especially when the web is drawn in, it is possible to use one of the cylinders 03; 04 or to set up the inking unit without requiring the web.
• the arrangement from FIG. 1 additionally has a second drive motor 29 which is connected via a gear 31, e.g. B. a pinion 31 with optionally combing gear 24 of the transfer cylinder 04 which can be connected in a rotationally fixed manner to the pin 14.
• the third cylinder 08; 09 can additionally be rotated independently when the clutch 12 is open compared to the first exemplary embodiment. When the clutch 12 is closed, a common, redundant drive by both drive motors 06 and 29 is possible.
• the third exemplary embodiment (FIG. 3) has the switchable clutch 12 and the cooperating, rotatably mounted gearwheel 24 on the pin 16; 17 of the third cylinder 08; 09 on.
• the drive motor 06 drives, via the assigned pinion 22, the optionally lockable gear wheel 24, which meshes with the gear wheel 21 of the transfer cylinder 04, which in turn is in contact with the gear wheel 19 of the forme cylinder 03.
• the clutch 13 When the clutch 13 is open, the drive motor 06 forms, together with the gears 24, 21 and 19, the fixed drive assembly 23.
• the satellite cylinder 08 can also be driven.
• the pin 16; 17 have a further gear 33 arranged in a rotationally fixed manner, which meshes, for example, with a gear, not shown, of a further cylinder or drive system.
• FIG. 4 shows a development of the embodiment shown in FIG. 3.
• the pin 16; 17 of the third cylinder 08; 09 has, in addition to the rotatably mounted gear 24, a second, rotatably mounted gear 34. This is optionally via a rotationally fixed on the pin 16; 17 arranged switchable coupling 36, z. B. a second coupling 36 with the pin 16; 17 non-rotatably connectable.
• the gearwheel 34 similar to the exemplary embodiment 2, can be driven by the second drive motor 29 via the pinion 31.
• the second, rotatably mounted gear 24 meshes, for example, with a gear 37 shown in dashed lines of another cylinder or drive assembly, not shown.
• the two clutches 12; 36 all cylinders 03; 04; 08 or 09 by both drive motors 06; 29 together, or the pair 02 and the third cylinder 08; 09 are each independently driven.
• the third cylinder 08; 09 designed as a second transfer cylinder 09, which in turn with a second cylinder 38, for. B. forme cylinder 38 acts together.
• 5 and 6 show two advantageous designs for connecting the drive from the second transfer cylinder 09 to the interacting second forme cylinder 38 of a four-cylinder printing unit 39.
• the second forme cylinder 38 has a pinion 42 on its pin 41 in a rotationally fixed manner, which meshes with the pinion 27 of the second transfer cylinder 09 and is in a fixed drive connection.
• the pin 41 has a rotatably mounted gear 43 which is connected via a switchable coupling 44 arranged on the pin 41, e.g. B. a coupling 44, can optionally be rotatably coupled on the pin 41.
• FIGS. 3 and 4 are also possible for the drive configuration of the first pair 02 together with the second transfer cylinder 09.
• the third cylinder 08 which interacts with the first pair 02, is designed as in the first group as a satellite cylinder 08, which, however, as with a second pair 47 of cylinders 48; 49, e.g. B. a transfer cylinder 48 and a forme cylinder 49 acts together.
• the arrangement shown in FIG. 7 is a mirror image of the satellite cylinder 08 for the two pairs 02; 47 from the arrangement according to embodiment 1 (Fig. 1).
• the Cylinder 48; 49 of the second pair 47 also have pins 51; 52, which are mounted in the frame wall 18.
• gears 54; 53 arranged in a rotationally fixed manner, which are in engagement with one another in such a way that there is a firm coupling between the interacting form cylinder 49 and transfer cylinder 48.
• the gear 53 of the transfer cylinder 48 is via a gear 56, for. B. a pinion 56 of the drive motor 57, driven and forms a fixed drive assembly 58 for the second pair 47.
• a second gear 59 is rotatably mounted, which, however, by means of a switchable coupling 61, z. B. a coupling 61 is selectively non-rotatably connected to the pin 51.
• This gearwheel 59 like the gearwheel 24 of the pair 02, engages in a form-fitting manner in the gearwheel 27 arranged on the journal 16 of the satellite cylinder 08 in a rotationally fixed manner.
• the drive motor 57 is also preferably arranged stationary with respect to the frame wall 18 or 28.
• the exemplary embodiment according to FIG. 8 has the arrangement shown in FIG. 3 (but without gear 33 arranged in a rotationally fixed manner) as a mirror image of the satellite cylinder 08, but in a second drive plane.
• the pin 16 of the satellite cylinder 08 has both switchable clutches 12 and 61 and the cooperating gear wheels 24 and 59 which are rotatably mounted on the pin 16. With the clutch 12 or 61 open, the drive motor 06; 57 together with the gears 19 and 21 or 54 and 53 and and the pinions 22 and 56 the fixed drive assembly 23 and 58. By closing the clutch 12 and / or 61, the satellite cylinder 08 can be driven. It is also possible with both designs according to FIGS. 7 and 8, with a corresponding selection of the couplings 12; 61 all cylinders 03; 04; 08; 48; 49 via one or both drive motors 06; 57 to drive.
• FIG. 9 shows a five-cylinder printing unit 46, the drive of the first forme cylinder 03, the first transfer cylinder 04 and the satellite cylinder 08 by means of the two drive motors 06; 57 and the clutch 12 according to FIG. 2 or 5.
• the gear 27 arranged in a rotationally fixed manner on the pin 16 of the satellite cylinder 08 meshes with the gear 53 likewise arranged in a rotationally fixed manner on the pin 51 of the transfer cylinder 48, which in turn meshes with the gear 54 arranged on the pin 52 of the forme cylinder 49.
• the coupling 61 from FIG. 7 or 8 is omitted in this variant and leads to a fixed drive assembly 58 between the satellite cylinder 08, the second transmission 48 and the second forme cylinder 49.
• the drive assemblies 23 and 58 are, as shown by way of example in FIGS. 8 and 9 to arrange on different levels.
• the solutions shown in the exemplary embodiments one to nine provide standardizable basic configurations for the flexible configuration of larger cylinder assemblies, such as, for example, six- or seven-cylinder printing units designed as Y or ⁇ , or nine- or ten-cylinder printing units designed as satellite units or satellite systems ,
• the drives of the gearwheels 21; mentioned in the exemplary embodiments and shown in FIGS. 1 to 9; 24; 53; 59 by the drive motors 06; 57 via assigned and as pinion 22; 31 or 56 trained gears, 22; 31 or 56 can also be done in a different way. So the gears 21; 24; 53; 59 for example also via drive belts by the respective drive motors 06; 57 are driven. However, it is also possible to use the pinion 22; 31 and 56 and the cooperating gear 21; 24; 53; 59 driven pins 14; 16; 17; 51 direct through the rotor of a drive motor 06; 57, possibly coupled via a joint. Such a direct drive takes place, for example, in the variant shown in broken lines in FIG. 8 by the drive motor 62 for the pin 16.
• Gear, pinion (57) Drive motor (47) Drive assembly (47) Gear wheel, rotatable (48)

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Rotary Presses (AREA)
• Inking, Control Or Cleaning Of Printing Machines (AREA)
• Gear-Shifting Mechanisms (AREA)
• Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
• External Artificial Organs (AREA)
• Measuring Fluid Pressure (AREA)
• Control Of Stepping Motors (AREA)
• Accessory Devices And Overall Control Thereof (AREA)
• Printers Characterized By Their Purpose (AREA)
• Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
• Ink Jet (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Related Child Applications (1)

Publications (2)

Family

ID=7656811

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Family Applications Before (1)

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Families Citing this family (13)

Family Cites Families (16)

• 2000
  • 2000-09-20 DE DE10046368A patent/DE10046368C2/de not_active Expired - Fee Related
• 2001
  • 2001-09-17 US US10/363,254 patent/US6817292B2/en not_active Expired - Fee Related
  • 2001-09-17 EP EP05106794A patent/EP1598187B1/fr not_active Expired - Lifetime
  • 2001-09-17 DE DE50110064T patent/DE50110064D1/de not_active Expired - Fee Related
  • 2001-09-17 DE DE50114534T patent/DE50114534D1/de not_active Expired - Fee Related
  • 2001-09-17 EP EP01982103A patent/EP1318915B1/fr not_active Expired - Lifetime
  • 2001-09-17 WO PCT/DE2001/003557 patent/WO2002024452A2/fr active IP Right Grant
  • 2001-09-17 AT AT01982103T patent/ATE328735T1/de not_active IP Right Cessation
  • 2001-09-17 AU AU2002213794A patent/AU2002213794A1/en not_active Abandoned
  • 2001-09-17 AT AT05106794T patent/ATE415277T1/de not_active IP Right Cessation

Non-Patent Citations (1)

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