EP1441907A1 - Antriebe eines druckwerkes - Google Patents
Antriebe eines druckwerkesInfo
- Publication number
- EP1441907A1 EP1441907A1 EP02776868A EP02776868A EP1441907A1 EP 1441907 A1 EP1441907 A1 EP 1441907A1 EP 02776868 A EP02776868 A EP 02776868A EP 02776868 A EP02776868 A EP 02776868A EP 1441907 A1 EP1441907 A1 EP 1441907A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- cylinder
- gear
- rotary body
- printing unit
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/004—Electric or hydraulic features of drives
- B41F13/0045—Electric driving devices
-
- 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
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/004—Driving means for ink rollers
-
- 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
-
- 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
Definitions
- the invention relates to drives of a printing group according to the preamble of claims 1, 2, 4, 6, 12 or 19.
- a drive of a printing unit is known from US Pat. No. 4,088,074 A, wherein a drive motor can be provided for the purpose of rotating an applicator roller.
- Axial drive of friction cylinders driven by friction takes place via a lever mechanism which is driven by a pressure medium piston.
- DE 44 30 693 A1 shows a printing unit with a inking and a dampening unit, the distribution cylinders of the inking cylinder being able to be driven either axially by means of their own drive motor or, in one embodiment, by means of a gear connection jointly by a drive motor.
- An axial stroke can be generated by linear motors on each of the distribution cylinders.
- DE 29 32 105 A1 discloses a drive for distribution cylinders of a dampening unit, wherein a distribution cylinder can be driven individually or together with a water tank or an application roller by means of a drive motor independently of the printing unit cylinders.
- the drive on the distribution cylinder is represented by a traction device.
- a drive of a printing unit is known from US Pat. No. 6,298,779 B1, a drive wheel being connected to an axially movable distribution cylinder for the purpose of the rotary drive.
- the drive wheel can be driven by means of a gearwheel arranged on a shaft, wherein the shaft can optionally be driven by a drive motor via a further gearwheel or a toothed belt.
- Other distribution cylinders are e.g. B. driven by a gear train.
- WO 99 08 873 A1 a drive of a distribution cylinder is known which can be driven in rotation by means of a gear train and in the axial direction by means of a crank mechanism. The stroke is generated via an eccentric and transmitted to the distribution cylinder via a coupling.
- DE 23 09 850 B2 discloses a rotary drive of distribution cylinders of an inking unit, a distribution cylinder near the printing point being driven by the printing cylinder via gear wheels and the other distribution cylinder being driven by the first distribution cylinder via a toothed belt and bevel pulley wheels.
- DE 195 05 625 has a distribution cylinder, both rotational and axial drive from a drive unit via belt drive.
- the invention has for its object to provide drives for a printing unit.
- a drive-related separation of the rotary and axial movement enables on the one hand an oil-free and thus inexpensive and environmentally friendly design.
- it opens up increased flexibility in terms of process technology.
- inking or dampening of the inking unit or dampening unit can be carried out without a traversing movement.
- the frequency of the traversing is adjustable independently of a speed of the distribution cylinder or the production speed, e.g. B. keep constant with changing operating conditions. In this way, an optimal relationship between lateral movement and peripheral speed can be set without the need for adjustable gears and an oil chamber.
- the turning point of the oscillating movement to the position of the roller or cylinder can be set and changed in an advantageous manner in the circumferential direction.
- B. in the case of cylinders with mounting channels has advantages.
- Assigns an assembly e.g. B. the inking unit, a plurality of rollers to be driven or a plurality of distribution cylinders to be driven, a drive motor for the movement of all distribution cylinders of this assembly in the axial direction is advantageous. Unnecessary control technology and an unnecessarily high error potential can be avoided.
- the two printing unit cylinders of the printing unit at least one independent drive motor, the rollers to be driven, for. B. the distribution cylinders of the inking unit, the rollers to be driven or the distribution cylinder (s) of the dampening unit (if present) have their own rotary drive motor per group, possibly via a separately encapsulated transmission and / or a traction mechanism transmission.
- These latter modules then have z. B. each have its own common drive motor for the axial movement, the drive z. B. via an adjustable crank drive in the stroke.
- this enables the joint drive of the i. d. R. synchronously operated components without an expensive gear train, as well as the possibility without an oil chamber and the associated structural measures.
- Figure 1 is a schematic representation of a printing unit having four printing units in rubber-to-rubber "execution.
- FIG. 2 shows a schematic illustration of a printing unit having four printing units in the embodiment of a “satellite printing unit”
- FIG. 3 shows a side view for the drives from FIG. 1;
- FIG. 4 shows a side view for the drives from FIG. 2;
- FIG. 5 shows a schematic illustration of a printing unit with belt drive containing four printing units
- FIG. 6 shows an oblique view of a first exemplary embodiment for driving an inking unit using the example of the upper right printing unit from FIG. 1;
- FIG. 7 shows a partial section through the drive according to FIG. 2;
- FIG. 8 shows an oblique view of a first exemplary embodiment for driving an inking unit using the example of the lower right printing unit from FIG. 1;
- FIG. 9 shows a partial section through the drive according to FIG. 4; 10 shows an oblique view of a first exemplary embodiment for driving a dampening unit using the example of the upper right printing unit from FIG. 1;
- FIG. 11 shows a partial section through the drive according to FIG. 7;
- FIG. 12 shows an oblique view of a first exemplary embodiment for driving a dampening unit using the example of the lower right printing unit from FIG. 1;
- FIG. 13 shows a partial section through the drive according to FIG. 8;
- FIG. 14 shows a schematic illustration of another embodiment of a printing unit with belt drive containing four printing units
- FIG. 15 shows a schematic illustration of a further exemplary embodiment for the axial drive
- FIG. 16 shows a schematic illustration of a further exemplary embodiment for the axial drive
- FIG. 17 shows a schematic illustration of a further exemplary embodiment for the axial drive
- FIG. 18 shows a schematic illustration of a further exemplary embodiment for the axial drive
- FIG. 19 shows a schematic illustration of a further exemplary embodiment for the axial drive
- Fig. 20 shows a schematic diagram of a crank mechanism driven by traction means
- Fig. 21 is a schematic diagram of a roller axially driven via a cam.
- a printing press in particular a rotary printing press, has at least one printing unit 01, by means of which ink from an inking unit 02 via at least one rotary body 03 designed as a cylinder 03, e.g. B. a forme cylinder 03, on a substrate 04, z. B. a printing material web 04, web 04 for short, can be applied.
- the printing unit 01 is designed as an offset printing unit 01 for wet offset and additionally has a dampening unit 06 and a further rotary body 07 designed as a cylinder 07, a so-called transmission cylinder 07.
- the transfer cylinder 07 forms a pressure point with an impression cylinder that forms an abutment.
- the impression cylinder is designed as a transfer cylinder 07 of a second printing unit 01, the two interacting printing units 01 in this embodiment forming a so-called double printing unit for printing on both sides.
- the same parts are given the same reference numerals, unless this is necessary to distinguish them. However, there may be a difference in the spatial location and generally remains the same if the same reference numbers are assigned. unconsidered.
- printing unit cylinder 03; 07 designated cylinder 03; 07 have, in an advantageous embodiment, at least in pairs for each printing group 01 (shown by way of example in FIG. 2) a drive motor 08 which is independent of further printing groups 01.
- This can on one of the two printing unit cylinders 03; 07 drive directly or via a gear 09 (pinion, toothed belt) and from there to the other, or in parallel to both printing unit cylinders 03; 07.
- gear 09 pinion, toothed belt
- encapsulated gearbox for only the two associated printing unit cylinders 03; 07 the saving of an oil space between the frame walls.
- each of the printing group cylinders 03; 07 on its own drive motor 08 which again axially z. B. via a gear (shown as an example on the upper printing unit) or laterally offset via a gear (pinion, toothed belt) on the respective printing unit cylinder 03; 07 drives.
- the drive motor 08 or the output of the transmission 09 is essentially coaxial, possibly also via an angle and / or offset compensating coupling, on the cylinder 03; 07 or its cone driven. This eliminates a cylinder drive wheel with pinion and any lubricant requirements.
- the gear 09 is advantageous here as a reduction gear reducing the speed of the drive motor 08, z. B. as a planetary gear 09, for example designed as an attachment gear.
- the inking units 02 each have a plurality of rollers 11; 12; 13; 14, of which in the figures the applicator rollers 11, the transfer roller 13, and the distribution cylinders 12 and 14 are named.
- the ink can be transported from a supply system or a supply to the distribution cylinder 14 in different ways.
- the two distribution cylinders 12; 14 of the inking unit 02 make rotating body 12; 14, which are rotatable about their longitudinal axis, but are movably mounted in the axial direction relative to the co-operating rollers.
- the distribution cylinders 12; 14 via a gear 16, preferably together by means of a drive from the printing couple cylinders 03; 07 independent, common drive motor 17 driven in rotation. If necessary, they can also be driven in rotation individually via a gear 16 and a separate drive motor 17.
- a Crank drive 19 preferably together in the axial direction of the distribution cylinder 12; 14 moves, that is, they exercise an oscillating movement by a, preferably adjustable, stroke of an amplitude A.
- a gear mechanism 19 so in an advantageous embodiment phase and / or stroke of the traversing movement of each individual axially driven friction cylinder 12; 14 independently adjustable.
- the axial drives are not shown in Fig. 1. Reference numerals were only assigned to the "right half" of the printing unit, since the left side corresponds to the right side in reverse.
- the dampening unit 06 in the present exemplary embodiment of the upper printing units 01 also has a plurality of rollers 20; 21; 22; 25 at least one applicator roller 20, two distribution cylinders 21; 22 and a transfer roller 25.
- the distribution cylinders 21; 22 via a gear 23 by means of a common drive motor 24 in rotation and via a gear 26 (FIG. 3) by means of a common drive means 27, for. B. a drive motor 27, movable in the axial direction.
- a common drive means 27 for. B.
- a drive motor 27 movable in the axial direction.
- the distribution cylinders 21; 22 also other rollers 20; 25; etc. of the dampening unit 06 can be driven individually or together in a rotary manner via a gear 26.
- FIG. 2 shows an exemplary embodiment for an embodiment of the printing unit as a satellite printing unit.
- the transfer cylinder 07 of the printing group 01 forms a printing point with a rotary body 28 designed as a satellite cylinder 28.
- the satellite cylinder 28 is again individually rotatably driven by means of its own drive motor 29 via a gear 31.
- the satellite printing unit has two such satellite cylinders 28, which are each individually or but can also be driven jointly by a common drive motor 29 via the transmission 31.
- the axial drives are not shown in Fig. 2.
- the drive wheel of the forme cylinder 03 can then be driven to a drive wheel of the transfer cylinder 07.
- This can be done using a gear connection as part of the, e.g. B. encapsulated, transmission 09 or belt.
- the drive can also be on the transfer cylinder 07 and from there on the forme cylinder 03, or also coaxially on one of the cylinders 03; 07 done.
- FIGS. 1 and 2 with reference to the upper printing units 01 can be transferred to the lower printing units 01 and vice versa.
- Examples in FIGS. 1 and 2 in the lower printing units 01 are inking units 02 and dampening units 06, each with only one distribution cylinder 12; 21 shown.
- these are each by means of the drive motor 17; 24 via the gear 16; 23 rotationally, and by means of the drive motor 18; 27 (Fig. 3) via the gear 19; 26 driven in the axial direction.
- the individual or paired drives from FIGS. 1 and 2 (or in the following 3 and 4) for “rubber-against-rubber” printing units and satellite printing units are mutually transferable.
- a configuration of the satellite printing unit from FIG. 2 or 4 is advantageous, with all the pressure cylinders 03; 07 of the pairs and the impression cylinder 28 having their own drive motor 08; 29, in particular axially driving the cylinder 03; 07; 28 via a transmission 09; 31, and for example the distribution cylinder 12 14 are driven by a common drive motor 17 via a gear 16 which is closed to the outside.
- the gear 16, for. B. a gear train 16 or a traction mechanism 16 is executed in this version against its surroundings.
- This housing 32 can have, for example, an open side, which together with a side frame 33 forms a closed, encapsulated space.
- the exemplary only a driven roller 11; 12; 13; 14, e.g. B. having a distribution cylinder 12 lower inking unit 02 also has only this roller 11; 12; 13; 14, e.g. B on the one distribution cylinder 12, assigned housing 32, which together with the side frame 33 forms an encapsulated space 37 accommodating the gear 16.
- the drive motor 18 and the gear 19 for the axial movement are arranged, for example, on another machine side.
- the printing unit cylinders 03; 07 all have their own drive motor 08 and in this embodiment a housing 34 which only accommodates the respective gear 09.
- the printing unit has the satellite cylinder or cylinders 28, which are driven by their own or a common drive motor 29 via the transmission 31.
- this or these is also assigned its own housing 36, which receives the transmission 31 and encapsulates it outwards.
- the two printing unit cylinders 03; 07 each have in pairs the common drive motor 08 and the respective transmission 09 housing 34. As stated above, however, the individual drive from FIG. 3 is also on the printing couple cylinders 03; 07 of Fig. 4 apply.
- a roller 41 for example a roller 41, which is driven by means of the drive motor 17 via the encapsulated gear 16 and is provided with a small bowl in the surface.
- the anilox roller 41 gives the color z. B. from one or two applicator rollers 11 (not shown). It does not perform an axial, oscillating movement.
- the gear 09; 16; 23; 31 are thus as individually encapsulated gear 09; 16; 23; 31 executed, which a plurality of cylinders 03, 07; 28 or rollers 12, 14; 21, 22 of the same assembly or a single cylinder 03, 07, 28 or a single roller 12, 14; 21, 22; 41 are assigned.
- a plurality of cylinders 03, 07; 28 or rollers 12, 14; 21, 22 of the same assembly or a single cylinder 03, 07, 28 or a single roller 12, 14; 21, 22; 41 are assigned.
- the gear 09; 16; 23; 31 are through the respective housing 32; 34; 36 in a closed, narrow space 37; 38; 39 arranged in which lubricants such. B. oil may be present without this from the room 37; 38; 39 can escape and without the need for a multi-walled side frame.
- all transmissions 09; 16; 23; 31 or at least the gear of the inking 02 and / or dampening units 06 as a reduction gear 16; 23 executed.
- the gear 16; 23 for the paired drive of two distribution cylinders 12, 14; 21, 22 are preferably designed such that the two distribution cylinders 12, 14; 21, 22 have the same direction of rotation, i. H. in the form of a gear train between drive wheels of the two distribution cylinders 12, 14; 21, 22 an intermediate wheel is arranged.
- the drive by means of the drive motor 17; 24 can then take place on one of the drive wheels or on the intermediate wheel.
- the gear 09; 16; 23; 31 can also be a traction mechanism, e.g. B.
- a belt drive in particular a toothed belt
- the transmission 09; 16; 23; 31 be designed as a traction mechanism gear with traction means, in particular with a toothed belt.
- the gear 16; 23 of the oscillating distribution cylinder 12; 14; 21; 22 designed so that the rotary drive motor 17; 24 can be arranged fixed to the frame.
- This can be done, for example, by means of straight toothing or by means of an o.
- G. Belt drive possible with an axially movable drive wheel or an oversized drive wheel, on which the belt, e.g. B. a toothed belt when moving the distribution cylinder 12; 14; 21; 22 can run in a spiral.
- 26 is not in a lubricant or oil chamber. If a lubricant is required, the gear 19; 26 at least as an encapsulated transmission 19; 26 executed, which only this gear 19; 26 driving drive motor 18; 27 is assigned. 4, a housing 42 is shown by dashed lines as an example for this purpose.
- One or more distribution cylinders 12, 14; 21, 22 axially driving gear 19; 26 can have a traction mechanism transmission, in particular a toothed belt, or be designed as such.
- 26 is designed, for example, as a crank drive having an eccentric, as a stop running in a curved groove, or in some other way.
- All axially driven distribution cylinders 12; 14; 21; 22 in each case individual, possibly individually encapsulated, a rotary transmission which converts into an axial movement can be assigned, which (as exemplarily shown in FIG. 20) are driven together via a traction means or a shaft.
- the axial drive does not take place by means of the drive motor 18; 27 executed drive means 18; 27 but z. B. by means of a pressurizable piston or via magnetic force.
- z. B. a coupling the transmitting or forming gear 19; 26 represents.
- a printing unit can have four printing units 01, all of which have an inking unit 02, each with two distribution cylinders 12; 14 and a dampening unit 06 each having a distribution cylinder 21. All inking units 02 can also be used instead of the driven distribution cylinders 12; 14 have the driven anilox roller 41.
- the printing unit can have four printing units 01, the printing unit cylinders 03; 07 and, if available, the satellite cylinder 28 each by means of its own drive motor 08; 29 via its own encapsulated gear 09; 31 is driven in rotation, while at least the inking unit 02 (and possibly also the dampening unit 06) has two distribution cylinders 12; 14; 21; 22, which in pairs by means of a common drive means 17; 24 via an encapsulated gear 16; 23 in rotation, and in pairs by means of a common drive means 18; 27 via a gear 19; 26 is axially drivable.
- all cylinders 03; 07; 28 and all distribution cylinders 12; 14; 21; 22 of the inking unit 02 and, if applicable, dampening unit 06 each by its own drive motor 08; 17; 24; 29 rotationally via a separate, closed gear 09; 16; 23; 31 driven.
- the same version is preferably selected for the configuration of all printing units 01 forming the printing unit.
- the choice of design depends on the degree of flexibility desired, on the costs and on the choice of the inking 02 or dampening unit 06 (one or two distribution cylinders 12; 14; 21; 22, short inking unit with anilox roller 41, etc.).
- the drive motors 08; named for the rotary drives; 17; 24; 29 are advantageously designed such that they also serve for the drive during production.
- the driven units can be set up in a set-up or maintenance operation as well as during production by means of these drive motors 08; 17; 24; 29 driven.
- At least the drive motors 08; 29 the printing group cylinder 03; 07; 28 are preferably designed as drive motors 08; 29 executed.
- the drive motors 17; 24 of the dyeing or dampening unit 02; 06 not also regulated with respect to their angular position, they are advantageously designed to be controllable at least with regard to their speed.
- drive motors 18; 27 of axial movement are advantageously designed such that they also serve for the drive during production.
- the printing unit cylinders 03; 07 have, in an advantageous embodiment, at least in pairs for each printing unit 01 (shown by way of example on the lower double printing unit) a drive motor 08 which is independent of further printing units 01. This can be designed to drive in the manner as described in FIG. 1. In a more flexible and suitable development for an oil-free drive, each of the printing unit cylinders 03; 07 have their own drive motor 08.
- the inking units 02 in FIG. 5 each have the application rollers 11, the transfer roller 13 and the distribution cylinders 12 and 14.
- the two distribution cylinders 12; 14 of the inking unit 02 make rotating body 12; 14, which are rotatable about their longitudinal axis, but are movably mounted in the axial direction relative to a side frame 33. They are driven in rotation by means of a gear 16 designed as a traction mechanism gear 16 via a traction means 43, preferably jointly by means of the common drive motor 17 which is independent of the drive of the printing couple cylinders. Possibly. they can also be driven individually by means of a pulling means 43. From the further, independent of the drive of the printing unit drive means 18, z. B. the drive motor 18, they are via the gear 19, z. B. via a crank mechanism 19 preferably together in the axial direction of the distribution cylinder 12; 14 moves, i.e. H. they exert an oscillating movement by a, preferably adjustable, stroke of an amplitude A.
- the distribution cylinders 12; 14 (FIGS. 6 and 7) each have a drive wheel 44; 46, e.g. B. a pulley 44; 46, torsionally rigid and coaxially connected, which cooperate with the traction means 43.
- Traction means 43, z. B. formed as a toothed belt 43 or V-belt is driven via a drive wheel 47 connected to a shaft of the drive motor 17. In the exemplary embodiment, it rotates the drive of both distribution cylinders 12; 14 in the same direction of rotation and thus forms a closed, not crossed loop.
- the pulley 44; 46 in the circumferential direction of the distribution cylinder 12; 14 connected at least in one direction of rotation as a driver connection and coaxially to the longitudinal axis, but in the axial direction relative to the distribution cylinder 12; 14 movably arranged.
- the driver connection is implemented in such a way that in the pulley 44; 46 in an area outside its center at least one in the axial direction of the distribution cylinder 12; 14 extending opening 48, for. B. has at least one bore 48, which with a with the distribution cylinder 12; 14 rotatably connected, corresponding bolts 49 cooperate.
- the driver connection can also act in the opposite or other way in the circumferential direction effective stops 48; 49 on the distribution cylinder 12; 14 and on the drive wheel 44; 46, which prevents twisting at least in one direction of rotation, but allows an axial relative movement.
- a friction-reduced bearing 51 (FIG. 7), in particular a z. B. arranged as a needle bearing 51 linear bearing 51.
- the drive designed in this way enables a common rotary drive of the distribution cylinders 12; 14 via the common traction means 43 while the two distribution cylinders 12; 14.
- the traction means 43 thus does not have to follow the oscillating movement, which is particularly the case in the case of two counter-phase oscillating distribution cylinders 12; 14 would not, or would only be possible with considerable losses in the accuracy and in the life of the components involved.
- the drive for the axial movement of the drive motor 18 is carried out in such a way that an eccentric 52, or an eccentric bushing 52, on a drive motor 18, for. B. via a bevel gear shaft 53 acts as a crank, which transmits its eccentric movement to an eccentric bushing 52 comprising first coupling 54 as an oscillating linear movement.
- the free end of the first coupling 54 is connected in an articulated manner to a lever arm 56, which in turn is arranged in a rotationally fixed manner on a shaft 57 which can be pivoted about an axis fixed to the frame.
- a shaft 57 which can be pivoted about an axis fixed to the frame.
- the free end of the second coupling 61; 62 is via a coupling 63; 64 with the respective distribution cylinder 12; 14 connected such that a relative movement in the circumferential direction of the distribution cylinder 12; 14 possible, a relative movement of the coupling 61; 62 and the distribution cylinder 12; 14 is prevented in the axial direction.
- Both the phases of the movements of the two distribution cylinders 12; 14 to each other as well as the amplitude A is easily adjustable in the selected version and yet robust and reproducible.
- a first setting option enables the arrangement of a second eccentric 66 between the coupling 54 and shaft 53, whereby by relative rotation and subsequent fixing of the two eccentrics 52; 66 the stroke is adjustable. Also by the length of the lever arms 58; 59, the amplitude A of the stroke can be selected individually and relative to one another.
- the phase of the movements relative to one another is determined by the relative position of the lever arms 58; 59 can be determined relative to one another in the circumferential direction of the shaft 57.
- a second embodiment for the drive of the inking unit 02 (Fig. 8, 9) that as a pulley 44; 46 executed drive wheel 44; 46 rotatably and in the axial direction of the respective distribution cylinder 12; 14 firmly connected to this.
- the drive wheel 44; 46 has a width b44; b46 of its active surface 67 which interacts with the traction means 43 and which is at least the sum of a width b43 of the traction means and a maximum amplitude A of an axial stroke of the distribution cylinder 12; 14 corresponds.
- the amplitude A is shown in FIG. 9 by means of dashed lines for one end of the distribution cylinder 12; 14 for the case that the current position corresponds to a middle position.
- the different positions for the drive wheel 44; 46 to show the coupling 61 etc. in dashed lines, although this has been omitted for reasons of clarity.
- the drive of the distribution cylinder 12; 14 corresponds in principle to the drive shown in the first example and is not further described here.
- the distribution cylinder 12; 14 an oscillating movement while it is driven in rotation by means of the drive motor 17, the traction means 43 maintains approximately its position relative to a side frame, but moves with respect to the drive wheel 44; 46 in the direction of its axis of rotation from one side to the other. It describes e.g. B. on the active surface 67 of the drive wheel a "compressed" via a sine function, and alternating downward or upward helix.
- the advantages achieved 07 are largely applicable to the drive of the dampening unit 06 in the case of a wet offset process.
- the drive is also via a traction means 68, z. B. a toothed belt 68 or V-belt, application.
- the rotary drive of the distribution cylinder 21 corresponds; 22 over the traction means 68 over a wide range to that from the exemplary embodiment according to FIG. 6.
- the drive wheel 44 (the same reference symbol, since it is designed in the same way) and the distribution cylinder 21; 22 can be moved relative to one another in the axial direction, but are rigidly connected to one another in the circumferential direction.
- the dampening unit 06 has only one distribution cylinder 21, so that the traction means 68 designed as a toothed belt 68 only drives the drive wheel 44 of the one distribution cylinder 21.
- the referred to in FIGS. 6 and 7 is to be used accordingly.
- the drive in the axial direction can be simplified if only one friction cylinder 21 to be driven is present, in that, as shown in FIG. 11, the first coupling 54 from the preceding exemplary embodiments is connected directly to the coupling 63 of the friction cylinder 21 in an articulated manner.
- a second exemplary embodiment for the rotary drive of the dampening unit 06 corresponds to the principle of the second exemplary embodiment (FIGS. 8 and 9) for the inking unit 02.
- the drive wheel 44 has a width b44 which is at least the width b68 the traction means 68 plus a maximum amplitude A, not shown, of the stroke for the distribution cylinder 21; 22 corresponds.
- the dampening unit 06 likewise has only one distribution cylinder 21. In the case of several distribution cylinders 21; 22 applies accordingly to FIGS. 10 and 11.
- the drive for generating the stroke corresponds to that of the first exemplary embodiment for the dampening unit 06.
- the drive of the inking and dampening units 02; 06 shown in the printing unit designed as a satellite printing unit. It has at least one further cylinder 28, the impression cylinder 28 designed as a satellite cylinder 28, which is assigned to at least two printing units 01.
- the printing unit cylinders 03; 07 and the satellite cylinder 28 are each individually driven by the drive motor 08 via a gear 09.
- the gears 09 are again only shown schematically here and can be axially between the drive motor 08 and cylinder 03; 07; 28 arranged reduction z. B. planetary gear 09. However, it can also be a pinion acting together with a drive wheel as a gear connection or a belt pull.
- the distribution cylinder 12; 14 of the inking unit 06 are driven in accordance with FIG. 5.
- the drive of the inking unit 02, which has only one distribution cylinder 21, is shown as an example at the bottom right.
- the rotary and that in the axial direction are carried out in a manner corresponding above for the dampening unit 06.
- An embodiment of the satellite printing unit has four printing units 01 and two satellite cylinders 28.
- both satellite cylinders 28 with their own drive motor 08.
- the for the printing unit cylinder 03; 07 above designs for the individual or pairwise, direct or indirect drive are to be applied accordingly to the two satellite cylinders 28.
- the design of the traction mechanism drive shows for all of the present examples whether only one or more oscillating distribution cylinders 12; 14; 21; 22 via the traction means 43; 68 are driven the essential advantage that the spatial course of the traction means 43; 68 despite traversing of the distribution cylinders 12; 14; 21; 22 essentially fixed to the drive motor 17; 24 remains, the drive is undisturbed, even and gentle on the material.
- the drive motor 17; 24 can be arranged fixed to the frame in a simple manner.
- a roller 69 (FIG. 8) can be arranged which in a pulling means 43; 68 deflecting is adjustable or preloaded.
- the drive has at least one position relative to the drive motor 17; 24 arranged at a fixed distance, transversely to the transport direction of the traction means 43; 68 effective leadership 71.
- a guide 71 is in a preferred embodiment as a degree 71 on the drive wheel 47 of the drive motor 17; 24 and / or on the roller 69 which may be present (FIGS. 8, 10, 11, 12, 13).
- the distribution cylinder 12; 14; 21; 22 associated drive wheel 44; 46 such a guide 71, preferably on both sides of the traction means 43; 68.
- Such a guide 71 on the drive wheel 44; 46 is omitted or is to be spaced so far that the traction means 43; 68 can run undisturbed on the full width b44 required for the amplitude A.
- the or the distribution cylinder 12; 14; 21; 22 of the inking or dampening unit 02; 06 can or can be driven individually or in several advantageous versions, depending on the application, also in axially other than in the previous examples.
- the axial drive of two distribution cylinders 12; 14; 21; 22 on the principle of a rocker arm from the drive motor 18; 27 take place on a shaft 72 which is connected in a torsionally rigid manner to a coupling 73 which forms an eccentricity e and rotates.
- the end of the coupling 73 is articulated with one End of another coupling 74 connected, the second end is articulated to an arm 76 of a three-armed lever 77.
- the three-armed lever 77 is pivotally mounted about a pivot axis S fixed to the frame, the two free arms 78; 79 each articulated with one end of the distribution cylinder 12; 14; 21; 22 are connected.
- Coupling 74 and arm 76 represent a rocker arm.
- Coupling 73 can also be designed as a drive wheel indicated by dashed lines, to which the other coupling 74 is articulated.
- the axial drive of one of the distribution cylinders 12; 14; 21; 22, as shown schematically in FIG. 16, by the drive motor 18; 27 go via the shaft 72 to a drive wheel 81, which is connected eccentrically to its coupling 72 by means of a coupling 82.
- the other end of the coupling 82 is articulated and fixed to the frame.
- the drive motor 08 can be arranged stationary with respect to the driver 83 or the axis of rotation of the drive wheel 81 and can also carry out the oscillating movement.
- the drive wheel 81 can also have a positive drive connection between the drive wheel 81 and one by the drive motor 18; 27 driven pinion 86 are driven if the toothing is designed accordingly to ensure sufficient engagement despite lateral movement of the drive wheel 81.
- Fig. 17 shows a variant for the axial drive, a swash plate 87 by the drive motor 18; 27 is driven in rotation.
- the wobbling movement is an axial movement via driver 88 and coupling 89 on one or two distribution cylinders 12; 14; 21; 22 transmitted.
- the drive means for the axial movement of one or more distribution cylinders 12; 14; 21; 22 as a working cylinder 91 which can be acted upon by pressure medium, in particular a double-chamber cylinder 91.
- This is e.g. B. if two distribution cylinders 12; 14; 21; 22 are to be driven simultaneously between two drivers 92, which are each supported by a bearing 93 with the distribution cylinders 12; 14; 21; 22 are connected.
- the distribution cylinder 12; 14; 21; 22 here by one of the printing unit cylinders 03; 07; 28 mechanically independent drive motor 17, not shown here; 24 in rotation, but without a specially provided drive means 18; 27 axially driven.
- the axial stroke takes place here by the rotation of the distribution cylinder 12; 14; 21; 22 via a positive gear 94, 96 from z. B. one with the distribution cylinder 12; 14; 21; 22 rotatably connected worm wheel 94 and a worm 96.
- the worm wheel 94 now rotating about the shaft 72 has the eccentric articulation of the coupling 82, which in the same manner as described in FIG. 16 repels cyclically from the frame and via the driver 83 and the bearing 84 with stops the distribution cylinder 12; 14; 21; 22 moved in the axial direction.
- the drive means 18; 27 also as a linear motor 18; 27 or based on magnetic forces.
- the axial drives of two distribution cylinders 12; 14; 21; 22 by a common drive means 18; 27, in particular drive motor 18; 27, be driven and, instead of a shaft such. B. the shaft 32 in Fig. 6, via a traction mechanism, for. B. a belt drive 97, coupled to each other.
- the belt drive 97 can, for example, be axially driven by the distribution cylinder 12; 14; 21; 22 have a pulley 99, which in turn, via at least one crank mechanism 101, the respective distribution cylinder 12; 14; 21; 22 drives.
- the pulleys 99 are on a belt 98, z. B. toothed belt 98 or V-belt from the drive 98, not shown in FIG. 20, driving the belt 98; 46 driven.
- the crank mechanism 101 can also be embodied in a manner other than that shown, which has a rocker arm.
- a disk 102 e.g. B. cam 102
- a circumferential curved groove 103 driven by the pulley 99, this with a with the distribution cylinder 12; 14; 21; 22 connected stop 104, z. B. driver 104, acts together.
- the driver 103 can be designed in different ways, but must be in the axial direction of the distribution cylinder 12; 14; 21; 22 seen be firmly connected to this. A plurality of these disks 102 of different distribution cylinders 12; 14; 21; 22 be driven.
- an axial drive via a cam disk 102 can also take place in the reverse manner, in that it is connected to the distribution cylinder 12; 14; 21; 22 is in a rotary drive connection, and its circumferential groove 103 interacts with a stop 104 fixed to the frame.
- the cam plate 102 can then by means of the drive motor 18; 27, e.g. B. via a differential gear or a so-called harmonic drive (a gear with an internally toothed gear and a revolving deformable externally toothed gear executed therein) in their speed relative to the speed of the distribution cylinder 12; 14; 21; 22 can be changed.
- drive means drive motor, linear motor, working cylinder Cylinder, satellite cylinder, rotating body, impression cylinder, printing unit cylinder drive motor - gear, traction mechanism housing, side frame housing - housing space space space - roller, anilox roller, anilox roller, rotating body housing traction mechanism, toothed belt drive wheel, pulley - drive wheel, pulley drive wheel opening, hole, stop bolt, stop - bearings, needle bearings, linear bearings eccentric, eccentric bushing shaft coupling, first - lever arm
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08153049A EP1932664A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153048A EP1932663A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153047A EP1932662A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
Applications Claiming Priority (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10154837 | 2001-11-08 | ||
DE10154838 | 2001-11-08 | ||
DE2001154837 DE10154837A1 (de) | 2001-11-08 | 2001-11-08 | Antrieb eines Druckwerks |
DE2001154838 DE10154838A1 (de) | 2001-11-08 | 2001-11-08 | Antrieb eines Druckwerks |
DE2001163962 DE10163962B4 (de) | 2001-12-23 | 2001-12-23 | Antrieb eines Druckwerkes |
DE10163963A DE10163963B4 (de) | 2001-12-23 | 2001-12-23 | Antrieb eines Druckwerkes |
DE10163962 | 2001-12-23 | ||
DE10163961 | 2001-12-23 | ||
DE2001163961 DE10163961B4 (de) | 2001-12-23 | 2001-12-23 | Antrieb eines Druckwerkes |
DE10163963 | 2001-12-23 | ||
PCT/DE2002/000415 WO2002076743A1 (de) | 2001-03-26 | 2002-02-05 | Antrieb eines druckwerks |
PCT/DE2002/000413 WO2002076741A1 (de) | 2001-03-26 | 2002-02-05 | Antrieb eines druckwerks |
WOPCT/DE02/00413 | 2002-02-05 | ||
WOPCT/DE02/00415 | 2002-02-05 | ||
DE10229787 | 2002-07-03 | ||
DE10229787 | 2002-07-03 | ||
PCT/DE2002/004105 WO2003039873A1 (de) | 2001-11-08 | 2002-11-06 | Antriebe eines druckwerkes |
Related Child Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08153048A Division EP1932663A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153049A Division EP1932664A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153047A Division EP1932662A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153047.9 Division-Into | 2008-03-20 | ||
EP08153049.5 Division-Into | 2008-03-20 | ||
EP08153048.7 Division-Into | 2008-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1441907A1 true EP1441907A1 (de) | 2004-08-04 |
EP1441907B1 EP1441907B1 (de) | 2010-12-01 |
Family
ID=32660198
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08153048A Withdrawn EP1932663A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153079.2A Withdrawn EP1938975A3 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153049A Withdrawn EP1932664A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP02776867A Expired - Lifetime EP1441905B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines druckwerkes |
EP08153081.8A Expired - Lifetime EP1938976B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP02776868A Expired - Lifetime EP1441907B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines druckwerkes |
EP08153061.0A Revoked EP1932665B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP05102798A Withdrawn EP1552924A3 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08153048A Withdrawn EP1932663A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153079.2A Withdrawn EP1938975A3 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP08153049A Withdrawn EP1932664A2 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP02776867A Expired - Lifetime EP1441905B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines druckwerkes |
EP08153081.8A Expired - Lifetime EP1938976B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08153061.0A Revoked EP1932665B1 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
EP05102798A Withdrawn EP1552924A3 (de) | 2001-11-08 | 2002-11-06 | Antrieb eines Druckwerkes |
Country Status (7)
Country | Link |
---|---|
US (2) | US7086330B2 (de) |
EP (8) | EP1932663A2 (de) |
JP (2) | JP4012510B2 (de) |
CN (1) | CN1274495C (de) |
AT (2) | ATE490084T1 (de) |
DE (2) | DE50214196D1 (de) |
WO (2) | WO2003039872A1 (de) |
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-
2002
- 2002-11-06 AT AT02776868T patent/ATE490084T1/de active
- 2002-11-06 EP EP08153048A patent/EP1932663A2/de not_active Withdrawn
- 2002-11-06 CN CNB028157958A patent/CN1274495C/zh not_active Expired - Fee Related
- 2002-11-06 EP EP08153079.2A patent/EP1938975A3/de not_active Withdrawn
- 2002-11-06 WO PCT/DE2002/004104 patent/WO2003039872A1/de active Application Filing
- 2002-11-06 EP EP08153049A patent/EP1932664A2/de not_active Withdrawn
- 2002-11-06 EP EP02776867A patent/EP1441905B1/de not_active Expired - Lifetime
- 2002-11-06 WO PCT/DE2002/004105 patent/WO2003039873A1/de active Application Filing
- 2002-11-06 EP EP08153081.8A patent/EP1938976B1/de not_active Expired - Lifetime
- 2002-11-06 JP JP2003541941A patent/JP4012510B2/ja not_active Expired - Fee Related
- 2002-11-06 DE DE50214196T patent/DE50214196D1/de not_active Expired - Lifetime
- 2002-11-06 US US10/493,228 patent/US7086330B2/en not_active Expired - Fee Related
- 2002-11-06 EP EP02776868A patent/EP1441907B1/de not_active Expired - Lifetime
- 2002-11-06 DE DE50214798T patent/DE50214798D1/de not_active Expired - Lifetime
- 2002-11-06 EP EP08153061.0A patent/EP1932665B1/de not_active Revoked
- 2002-11-06 US US10/493,320 patent/US7077061B2/en not_active Expired - Fee Related
- 2002-11-06 JP JP2003541940A patent/JP2005510375A/ja active Pending
- 2002-11-06 AT AT02776867T patent/ATE456457T1/de not_active IP Right Cessation
- 2002-11-06 EP EP05102798A patent/EP1552924A3/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO03039873A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1938976A3 (de) | 2013-09-04 |
US20050016399A1 (en) | 2005-01-27 |
EP1932665B1 (de) | 2014-04-30 |
DE50214798D1 (de) | 2011-01-13 |
CN1541164A (zh) | 2004-10-27 |
DE50214196D1 (de) | 2010-03-18 |
EP1932665A2 (de) | 2008-06-18 |
EP1441907B1 (de) | 2010-12-01 |
JP2005510376A (ja) | 2005-04-21 |
EP1938976A2 (de) | 2008-07-02 |
WO2003039872A1 (de) | 2003-05-15 |
WO2003039873A1 (de) | 2003-05-15 |
EP1441905A1 (de) | 2004-08-04 |
US20050016397A1 (en) | 2005-01-27 |
CN1274495C (zh) | 2006-09-13 |
EP1552924A3 (de) | 2007-09-05 |
EP1932663A2 (de) | 2008-06-18 |
EP1932665A3 (de) | 2013-09-04 |
ATE456457T1 (de) | 2010-02-15 |
EP1552924A2 (de) | 2005-07-13 |
EP1938975A2 (de) | 2008-07-02 |
JP2005510375A (ja) | 2005-04-21 |
JP4012510B2 (ja) | 2007-11-21 |
ATE490084T1 (de) | 2010-12-15 |
EP1441905B1 (de) | 2010-01-27 |
EP1932664A2 (de) | 2008-06-18 |
EP1938975A3 (de) | 2013-08-28 |
US7077061B2 (en) | 2006-07-18 |
US7086330B2 (en) | 2006-08-08 |
EP1938976B1 (de) | 2014-04-30 |
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