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
  • B41F13/08—Cylinders
  • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
  • B41F13/34—Cylinder lifting or adjusting devices
  • B41F13/40—Cylinder lifting or adjusting devices fluid-pressure operated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/08—Cylinders
  • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
  • B41F13/34—Cylinder lifting or adjusting devices
  • B41F13/38—Cylinder lifting or adjusting devices electrically or magnetically operated

Definitions

• the invention relates to a printing unit and a method for setting a printing on position according to the preamble of claim 1 or 15.
• DE 195 34 651 A1 discloses a printing unit with lying in a plane cylinders, wherein three of four cylinders are mounted linearly movable along the cylinder plane for pressure on or pressure shutdown.
• the storage takes place in arranged on the frame inner wall guide elements.
• the cylinders are mounted on the common guide elements in carriers and by pressure medium-operated working cylinder to each other on / off. The use of working cylinders compensates for differences in substrate thickness and temperature effects.
• WO 03/025406 A1 discloses a bearing arrangement for cylinders, in which a carriage encompassing a linear guide can be moved by a pneumatically, electrically or hydraulically acting actuator arranged on the frame.
• the invention has for its object to provide a printing unit and a method for setting a print-on position.
• the object is achieved by the features of claim 1 or 15.
• the achievable with the present invention consist in the fact that a simple to manufacture and / or easy-to-use printing unit is created at the same time high print quality.
• the printing cylinder with predefined force, d. H. force controlled are adjustable.
• the execution of the linear bearings with movable stops allows a pressure-related setting of the cylinder and further an automatic basic setting - for a new configuration, a new blanket, another substrate (eg paper type) etc.
• the same non-penetrating cylinder bearings allow side workers without specific bearing bores.
• the storage inside of the side frames allows in addition to the simple installation and the reduction of cylinder pin, which has a vibration-reducing effect.
• Fig. 1 is a schematic representation of a printing unit
• FIG. 2 shows a first operating position of a divisible pressure unit
• Fig. 5 is a plan view of a double printing
• Fig. 6 is a schematic longitudinal section through a storage unit
• FIG. 7 shows a schematic cross section through a storage unit
• FIG. 10 is a schematic diagram for the storage and adjustment of the cylinder.
• FIG. 11 shows an exemplary embodiment of an interconnection of a pressure medium supply
• FIG. 12 shows a bearing unit with means for tilting a cylinder
• FIG. 13 shows an embodiment of a holding means for a stop of the bearing unit according to FIG. 1 1;
• Fig. 14 shows an embodiment of an actuator element
• FIG. 18 shows a fourth embodiment of the bearing unit
• Fig. 20 is a schematic diagram of an I-printing unit
• FIG. 21 shows a second embodiment for an interconnection of a pressure medium supply
• a printing machine, z. B. web-fed rotary printing press, in particular a multi-color web-fed rotary printing press, has a printing unit 01, in which a substrate 02, z. B. a web of material 02, short web 02 on both sides simply or in particular successively on both sides repeatedly, z. B. here four times, or multiple webs simultaneously one or more times by printing units 04 are printable. It can also be provided one or more printing units 01 or printing units 04, in which a web 02 at the printing point 05 is only one-sided printable.
• the printing units 04 have printing cylinder 06; 07, which are to be set in pairs in print-on.
• the methods and / or devices shown below may also be advantageously applied to printing units 04, in which the printing material 02 is not web-shaped, but is formed as a sheet.
• the Anstelllage is found, which is based directly on the relevant parameters for printing "force” or "Anstelltik” and is not determined by a detour, such as measuring and setting a width of the impression strip.
• the printing unit 01 has a plurality of (in the present case four) vertically stacked double printing units 03 for double-sided printing in rubber-against-rubber operation.
• the double printing units 03 - shown here in the form of bridge or n-printing units - are each formed by two printing units 04, which each have a cylinder 06 formed as a transfer cylinder 06 and cylinder 07 as a forme cylinder; 07, z. B. printing cylinder 06; 07, and in each case have an inking unit 08 and in the case of wet offset printing additionally a dampening unit 09.
• a (double) pressure point 05 is formed in Anstelllage.
• the aforementioned components are designated only at the top double printing unit 03 of Figure 1, wherein the stacked (double) printing units 03; 04, however, essentially - are executed identically - in particular in the embodiment of the relevant features of the invention.
• the double printing units 03 can - as well as the advantageous feature of the linear arrangement described below - just as well be embodied contrary to the illustration in FIG. 1 as an upwardly opening U unit.
• the printing unit 01 in an advantageous embodiments, for. B. in the middle, d. H. in the region of the double pressure point (s) 05, or as shown in Fig. 4, between form cylinder (s) 07 and inking unit (s) 08 operatively designed to be divisible.
• two supply systems 75.1; Indicated 75.2 for pressure medium are provided.
• the inking units 08 can be modules with their own frame 16 or a frame construction 16 and pre-assembled modules be used in the printing unit 01 can be used.
• the cylinder 06; 07 associated with them bearing units 14 may be formed as preassembled or preassembled cylinder units 17.
• the axes of rotation of the printing cylinder 06; 07 of a printing unit 04 in pressure-An be substantially lying in a common plane E lying.
• the plane E takes z. B. an angle between 76 ° and 87 °, in particular between 80 ° and 85 ° to the plane of the inlet web.
• the printing cylinder 06; 07 more, in particular all the web 02 on the same side printing printing 04 on the same frame or wall section 11; 12 stored.
• the printing cylinder 06; 07 can in principle only one-sided, d. H. be stored flying on only one end frame frame sections 11.
• each partial pressure unit 01.1; 01 .2 two front side to the cylinders 06; 07 arranged frame sections 11; 12 provided.
• the two separable partial pressure units 01.1 and 01.2 have the respective frame sections 11; 12 and printing units 04 (printing cylinder 06, 07 and inking units 08) on.
• the partial printing units 01 .1; 01.2 are along a direction perpendicular to Rotation axis of the cylinder 06; 07 movable toward or away from each other by preferably one of both fixed in space (here partial printing unit 01 .1), ie, for example, on a floor 13 of the printing room, a fixed space carrier 13, a mounting plate 13 or a mounting frame 13 for the printing unit 01 stationary and the other (here partial printing unit 01 .2) movable relative to the bottom 13 or carrier 13 or mounting plate 13 or mounting frame 13 (hereinafter carrier 13) is mounted.
• carrier 13 carrier 13
• the outer frame sections 12 in mutually corresponding, in non-illustrated bearing elements of the frame portion 12 and the carrier 13, z. B. together a linear guide 15 forming, stored.
• These can be designed as running in rails rollers or as a sliding or rolling body mounted mutually associated linear guide elements.
• the wall sections 1 1; 12 are formed so that they are formed in their operating position A (Fig. 2) on its side facing each other in pairs substantially complementary to each other form and together at their dividing lines or lines of attack nevertheless form a substantially closed side front.
• FIG. 3 shows a maintenance position B of the printing unit 01 (without the bearing units 14 indicated in FIG. 2), the relative position of the partial printing units 01 .1; 01.2 each other by moving the frame sections 12 is effected.
• the relative position can in principle be achieved in another embodiment by both partial pressure units 01.1; 01 .2 or their frame sections 11; 12 are movably mounted.
• the side frame 11; 12 not divisible in the manner that the printing cylinder 06; 07 separated at the pressure point 05 are, but it is the printing cylinder 06; 07 in or on a common side frame 11; 12 stored undivided, while on both sides of the inking units 08 receiving wall sections 18 in an operating position A (not shown) or a maintenance position B (shown) can be brought.
• the division takes place here between form cylinder 07 and dyeing and possibly dampening 08, 09.
• Shaping and transfer cylinder 07; 06 can in an advantageous format design with a bale width of at least four, z. B. four or for particularly high product output six, juxtaposed standing printed pages in newspaper format, especially in broadsheet format, be formed.
• the cylinder 06; 07 has a circumference which essentially corresponds to two printed pages arranged one behind the other in a newspaper format, in particular in broadsheet format.
• the printing unit 01 with form cylinders 07 double-sized format (two newspaper pages in a row behind each other) this advantageously has two circumferentially offset by 180 ° to each other channels for receiving the printing plates, which are preferably formed continuously over the entire effective bale length.
• the forme cylinder 07 can then be equipped with four or six printing forms side by side and two printing plates in succession.
• the transfer cylinder 06 has a double large format (two newspaper pages in the scope behind each other) in one embodiment z. B. only one channel for receiving one or more juxtaposed blankets, which is preferably formed continuously over the entire effective bale length. Of the Transfer cylinder 06 can then be equipped with a continuous over the bale length and extending over substantially the full extent or with two or three over substantially the full extent reaching blankets juxtaposed. In another embodiment of the double-sized transfer cylinder 06, this two or three blankets can have side by side, wherein the respective adjacent to each other are offset by 180 ° in the circumferential direction. These mutually offset blankets can be kept sections in two or three channel, which are also in the longitudinal direction of the cylinder 06 side by side, the respective adjacent channel sections in the circumferential direction, however, offset from each other by 180 °.
• the cylinder 06; 07 but also with a simple scope - a print page in particular newspaper page in the circumferential direction - be formed. It may be the transfer cylinder 06 also formed with double circumference and the forme cylinder 07 with a simple scope. In printing units 04 for commercial printing, the cylinder 06; 07 may also be formed with enclosing, which corresponds to four lying tabloid sides.
• the inking unit 08 may be formed in different ways. So it can be exemplified as shown in Fig. 1 z. B. as fashionghiges roller inking system 08 z. B. with two Reibzylindern (eg., From the newspaper printing) or as exemplified in Fig. 2 and Fig. 3 as short inking units 08 using a cup or Haschuren having anilox roller may be formed. In unillustrated embodiment, it can also be used as a roller inking unit 08 with two color trains and z. B. three friction cylinders (eg., From the commercial printing) to be executed.
• the dampening unit 09 can be configured as a dampening unit 09 with at least three rollers (shown in FIG. 1). Preferably, the dampening unit 09 as so-called.
• Contactless dampening unit 09 in particular spray dampening 09, executed.
• the printing units 04 can each have a handling device 19 for supporting the printing form change. In a preferred embodiment, the handling device 19 is designed as an at least semi-automatic or even fully automatic printing plate changer 19.
• advantageous embodiment of the storage as a storage unit 14 and their special training and arrangement is a pressure-place of printing cylinders 06; 07 or at least a pressure-on points in the context of presetting a wegbegrenzenden stop by means of at least one actuator 43, in particular by a force-controlled or a force defined actuator 43, by means of which for employment a defined or definable force F in pressure Direction of the cylinder 06; 07 or its pin can be brought.
• the decisive for the color transfer and thus the print quality, inter alia, line force in the Nippstellen is therefore not by an indirect parameter such.
• B. a measured impression strip, but by the balance of forces between the force F and between the cylinders 06; 07 resulting line force F L and the resulting equilibrium defined.
• At least one cylinder 06 (07) during a period when setting - without effective travel limit to the pressure point - only force controlled to the adjacent cylinder 06 (07) can be adjusted.
• a cylinder 06 involved in the pressure point 05 can be fixed in a defined position, advantageously in the position of adjustment found by the equilibrium of forces, or at least delimited in the direction of the pressure point 05.
• Fig. 5 shows in plan view of the side frames in bearings 14 rotatably mounted cylinder 06; 07.
• Bearing unit 14 and cylinder 06; 07 get before their insertion into the printing unit 01 their firmly defined position to each other and are collectively in the printing unit 01 introduced.
• the cylinder 06; 07 in storage units 14 on the side frames 1 1; 12 rotatably store, which the escape of the side frames 1 1; 12 do not penetrate and / or the cylinder 06; 07 with her bale 26; 27 including their pin 21; 22 a length L06; L07, which is less than or equal to a clear width L between the printing cylinder 06; 07 to both end faces supporting side frames 11; 12 ( Figure 5).
• the printing cylinder 06; 07 bearing on both end sides side frames 1 1; 12 is preferably not laterally so open side frames, so that the cylinder 06; 07 axially removed, but to side frames 11; 12 which in the axial direction at least partially overlap with the end face of the mounted cylinder 06; 07, d. H. the cylinder 06; 07, in particular its bearing (see below), is frontally through the two side frames 1 1; 12 at least partially enclosed.
• all four printing cylinder 06; 07 (but at least three) has its own storage unit 14, in which the on / off mechanism is already integrated. It can also for three of the four cylinders 06; 07 the on / off mechanism having bearing units 14 and be provided for the fourth storage units 14 without on / off mechanism.
• FIGS. 6 and 7 show a bearing unit 14, preferably based on linear travel paths, in schematic longitudinal and cross-section.
• the on / off mechanism integrating bearing unit 14 has in addition to a bearing 31, for. B. radial bearing 31, for example, a cylindrical roller bearing 31, for rotatably supporting the cylinder 06; 07 storage means 32; 33 for a radial movement of the cylinder 06; 07 - for pressure on or pressure off - on.
• the bearing unit 14 (after mounting the bearing unit 14 frame-fixed) carrier-resistant bearing elements 32 and the movable against these bearing elements 33.
• the carrier-fixed and movable bearing elements 32; 33 are as co-operating linear elements 32; 33 and formed together with corresponding sliding surfaces or intermediate rolling elements in total as a linear bearing 29.
• the linear elements 32; 33 take in pairs a radial bearing 31 receiving bearing block 34, z. B. slide 34 between them. Bearing block 34 and the movable bearing elements 33 may also be made in one piece.
• the carrier-fixed bearing elements 32 are arranged on a carrier 37, which in total with the side frame 11; 12 is connected or is.
• the carrier 37 is designed for example as a support plate 37, which, for example, at least on a drive side, a recess 38 for the passage of a shaft 39, z. B. drive shaft 39 of a pin 21, not shown in Fig. 7; 22 of a cylinder 06; 07 has.
• the frame wall 11; 12 on the drive side preferably has a recess or an opening for a drive shaft 39.
• On the opposite side of the drive side does not necessarily have a recess 38 or a recess in the side frame 12; 1 1 be provided.
• the clamping device 24 is here for example as z. T.
• slotted hollow shaft end formed which comprises the journal end (pin 21, 22) and is to be pulled together by means of a screw in such a way that a frictional rotationally fixed connection between the journal end (pin 21, 22) and hollow shaft inner surface can be produced.
• the coupling can also in other ways, for. B. in the circumferential direction having a positive connection, be executed.
• the shaft 39 is through a recess in the side frame 11; 12 out, which is sufficiently large for the movement of the shaft 39 is dimensioned together with the bearing block 34 and which z. B. is formed in the manner of a slot.
• a cover 28 may be provided with a slot overlapping the collar, which z. B. with the bearing block 34, but not connected to the shaft 39.
• one of possibly a plurality of series-arranged coupling 40, in particular multi-plate clutch 40, is connected to the cylinder-distal end of the shaft 39 by a non-rotatable connection 36, eg. B. a clamping element 36, coupled.
• a drive motor or directly a gearbox with drive motor without angle and / or offset compensating coupling to the shaft 39 can be coupled.
• the drive motor z. B. not fixed to the frame, but arranged cylinder-tight and is connected to the cylinder 06; 07 moved.
• linear bearings 29 in such a way that the cooperating bearing elements 32; 33 both on the assembly storage unit 14 - and not a part of the side frame 11; 12 of the printing unit 01 - are provided, allows pre-assembly and pre-adjustment or adjustment of the bearing voltage.
• the advantageous arrangement of the two bearing block 34 encompassing linear bearing 29 allows a backlash-free setting, since the two linear bearings 29 are opposed in such a way that the bearing preload and the bearing forces an essential component in a direction perpendicular to the axis of rotation of the cylinder 06; 07 learn or record.
• the linear bearings 29 are thus adjustable in the direction to which it is at play-free positions of the cylinder 06; 07 also arrives.
• the linear bearings 29 (32, 33) which can be seen in FIGS. 6 and 7 thus each have pairs of corresponding cooperating bearing means 32 and 33 or their guide or effective surface areas, designed as sliding surfaces (not shown) or with rolling bodies 23 arranged therebetween , on.
• at least one of the two advantageous two linear bearings 29 of a bearing unit 14 is designed such that the two corresponding bearing means 32 and 33 each have at least two guide surfaces 32.1; 32.2; 33.1; 33.2, which lie in two mutually inclined planes.
• the two guide surfaces 32.1; 32.2; 33.1; 33.2 (or their planes E1, E2) of the same bearing means 32; 33 are z.
• the two guide surfaces 33.1; 33.2; 32.1; 32.2 of the cooperating bearing means 33; 32 are inclined to complementary shape. At least one of the two pairings of cooperating guide surfaces 32.1; 32.2; 33.1; 33.2 is parallel to a plane E1, which has a component not equal to zero in the radial direction of the cylinder axis and thereby the degree of freedom of movement in a purely axial direction of the cylinder 06; 07 stops.
• both pairings lie to planes E1; E2, which both have a component not equal to zero in the radial direction of the cylinder axis, but in reverse tilt against the cylinder axis and thereby the degree of freedom of movement in both axial directions of the cylinder 06; 07 stop.
• a section line of the two planes E1; E2 is parallel to the direction S Is, as can be seen in Fig. 6, the bearing block 34 between the two, two pairings of cooperating guide surfaces 32.1, 33.1 and 32.2; Contained 33.2 having linear bearings 29, biased in particular with a bias, so the bearing block 34 only a single degree of freedom of movement along the direction of adjustment S on.
• the inclined active or guide surfaces 32.1; 32.2; 33.1; 33.2 are arranged so that they a relative movement of the bearing parts of the linear bearing 29 in the axial direction of the cylinder 06; Counteract 07, d. H. the bearing is "tied off" in the axial direction.
• the linear bearings 29 both a cylinder 06; 07 frontally associated bearing units 14 two mutually arranged pairs of cooperating guide surfaces 32.1; 32.2; 33.1; 33.2.
• at least one of the two radial bearings 31 of the two bearing units 14 has a slight bearing clearance ⁇ 31 in the axial direction.
• assembly aids 51, z. B. dowel pins 51 in the side frame 11; 12 may be provided, to which the bearing unit 14 of the fully assembled cylinder unit 17 is aligned, before they by releasable holding means 53, z. B. Screws 53, or even cohesively by welding to the side frame 1 1; 12 are connected.
• corresponding means 54 e.g. B. clamping screws 54 may be provided (Fig. 6).
• the bearing unit 14 - at least to the cylinder side - by a cover 57 largely protected against contamination or even encapsulated executed as a unit.
• Fig. 6 is schematically the cylinder 06; 07 with pin 21; 22 and a preassembled storage unit 14.
• This module can thus be preassembled between the side frames 1 1; 12 of the printing unit 01 used for easy installation and attached to designated locations.
• the effective inner surface of the radial bearing 31 and the outer effective lateral surface of the pin 21; 22 be cylindrical instead of tapered, since both the mounting of the bearing unit 14 on the pin 21; 22 as well as the setting of the bearing clearance outside of the printing unit 01 can be done.
• the storage unit 14 can be shrunk, for example.
• the mountable as a whole unit is advantageous in the manner of an optionally partially open housing of z. B. the carrier 37, and / or z. B. a frame (in Fig. 7, for example, the four the bearing unit 14 to all four sides outwardly bounding side beams 92, 93, 94, 96, eg side plates 92, 93, 94, 96) and / or z. B. the cover 57 (Fig. 6).
• the frame-fixed bearing elements 32 are arranged substantially parallel to each other and define a direction of adjustment (Fig. 7).
• Pressing is effected by moving the bearing block 34 in the direction of the pressure point by means of a force F applied to the bearing block 34 by at least one actuator 43, in particular by a force-controlled or force-defined actuator 43, by means of which a defined resp . definable force F in print-on direction on the bearing block 34 can be brought (Fig. 7).
• the decisive for the color transfer and thus the print quality, among other line force in the Nippstellen is therefore not by a travel, but by the balance of power between the force F and between the cylinders 06; 07 resulting line force F L and the resulting equilibrium defined.
• cylinder 06; 07 employed in pairs by the bearing block 34 is acted upon by the correspondingly set force F on the / the Aktror (s) 43.
• F the correspondingly set force
• At least the two middle of the four cylinders 06 - or in other words, at least all of the two outer cylinders 07 different cylinder 06 at least during a period of time Setting in a defined position, advantageously in the Anstelllage found by the equilibrium of forces, can be fixed or at least wegbegrenzbar.
• bearing block 34 even during operation - at least in one direction away from the pressure point against a force, eg. B.
• Spring force in particular a definable force
• This is - in contrast to the pure travel limit - on the one hand, a maximum line force when working together cylinder 06; 07 defined, and on the other hand a yielding, for example, in a web break with subsequent winder on the cylinder 06; 07, allows.
• the bearing unit 14 - at least during the setting process - a location-adjustable stop 41, which limits the travel to the pressure point 05 out.
• the stop 41 can be moved in such a way that the stop surface 44, which acts as a stop, can be varied along the direction of adjustment at least in one region. It is thus an adjustment device (adjustable stop 41) provided in an advantageous embodiment, by means of which the position of a pressure near the end position of the bearing block 34 is adjustable. For Wegbegrenzung / adjustment serves z. B. a wedge drive described below.
• the placement of the stop 41 can basically be done manually or by means of an actuating means 46 designed as an actuator (46, see below).
• a holding or clamping means (not shown in FIGS. 6 and 7) is provided by means of which the stop 41 can be fixed in the desired position.
• at least one resilient element 42 for. B. spring element 42, is provided, which applies a force F R from the stop 41 in a direction away from the bearing block 34.
• the spring element 42 causes a pressure-off in the event that the bearing block 34 is not prevented from moving in any other way.
• Pressure is applied by moving the bearing block 34 in the direction of the stop 41 by at least one actuator 43, in particular a force-controlled actuator 43, by means of which for employment either a defined or definable force F in pressure-on direction on the bearing block 34th can be brought.
• the applied force F, the restoring force F R and the position of the stop 41 is selected such that no significant force .DELTA.F is transferred between the stop 41 and the stop surface of the bearing block 34 in the setting position ⁇ F
• the contact force between the cylinders 06; 07 substantially determined by the voltage applied by the actuator 43 force F.
• the actuator 43 can be embodied as any desired actuator 43 applying a defined force F.
• the actuator 43 is designed as actuatable by pressure means actuating means 43, in particular as a movable piston 43 by a fluid.
• Advantageous in terms of possible tilting is the arrangement of several, here two, such actuators 43.
• a fluid is preferably because of their incompressibility, a liquid, eg. As oil or water, used.
• the actuator 43 as a piezo (piezoelectric force application) or as a magnet (magnetic force application), in particular electromagnet, be formed.
• a controllable valve 56 is provided either inside or outside of the bearing unit 14. This is performed, for example, electronically controlled and provides the hydraulic piston 43 in a position without pressure or at least to a lower pressure level, while in another position of the force F conditional pressure P is applied.
• a non-designated leakage line is provided here for safety.
• 34 can be used as an overload protection 49, z. B.
• spring element 49 may be provided, which in the operational pressure-Ab, ie the piston 43 are relieved and / or retracted, although serve as a stop 49 for the bearing block 34 in pressure-off position, in the case of a railway winder or other excessive forces but gives way from the point of pressure 05 and releases a larger path.
• a spring force of this overload protection 49 is therefore chosen to be greater than the sum of the forces from the spring elements 42.
• the stop 41 in the illustrated embodiment is designed as a wedge 41 movable transversely to the direction of adjustment S, the position of the respectively effective stop face 44 varying along the direction of adjustment S when the latter is moved.
• the wedge 41 is supported for example on a carrier-fixed stop 58.
• the carrier-fixed stop 58 is here z. B. formed by a side support 92 of the bearing unit 14.
• a wedge 41 stop 41 is by an actuator 46, for example, a pressure medium actuatable actuating means 46 such as a pressure medium-actuated piston 46 in a working cylinder with (double-acting) piston via a z. B. designed as a piston rod 47 transfer member 47 or by an electric motor via a designed as a threaded spindle transfer member 47, movable.
• This actuator 46 can either be effective in both directions or, as shown here, be designed as a one-way actuator, which operates against a return spring 48 when activated.
• the force of the return spring 48 is selected from the above reasons (largely force-free stop 41) so weak that the wedge 41 is held only in its correct position against gravity or vibration forces.
• the stop 41 can also be designed in a different manner (eg as a plunger adjustable and fixable to the adjusting direction, etc.) in such a way that it can be varied in the adjusting direction S and-at least during the setting process-fixed stop surface 44 for the movement of the bearing block 34 in the direction of pressure point 05 forms.
• a location of the stop 41 is carried out, for example, directly parallel to the direction of adjustment S by a drive means, for example, a pressure medium actuated cylinder with (double-acting) piston or an electric motor.
• Fig. 8 shows on executed as a double printing unit 03 printing unit 03 schematically per cylinder 06; 07 arranged on the side frame 1 1 bearing unit 14.
• the centers of rotation of the cylinder 06; 07 is an imaginary connecting line or plane E (hereinafter referred to as "linear double printing unit").
• the plane E and the incoming or outgoing web 02 close an internal angle ⁇ deviating from 52 ° between 36 and 49 °, in particular 80
• the bearing unit 14 of the transfer cylinder 06, in particular of all the cylinders 06, 07, are arranged on the side frame 11 in the assembled state in the embodiment shown in FIG.
• connection plane E includes with the connection plane E at most an angle of 15 °, eg forming an acute angle ⁇ of approximately 2 ° to 15 °, in particular 4 to 10 ° with one another the assembly is this arrangement, when the adjustment direction S is horizontal and the web 02 is substantially vertical.
• FIG. 1 In a modified embodiment (FIG. 1) of an angular (n or u printing unit 03) arranged double printing unit 03 is under the plane E ', the connection plane of the pressure point 05 forming cylinder 06 and below level E "the connection plane between the form and transfer cylinder 07 ; 06 are understood, and the above referred to the angle ß on the direction of adjustment S at least one of the pressure point 05 forming cylinders 06 and the forme cylinder 07 and the plane E 'and E "are related.
• One of the pressure point 05 forming cylinder 06 can also be stationary and operationally not adjustable (but possibly adjustable) in the side frame 11; 12 may be arranged, while the other along the adjustment direction S, is movably mounted.
• a for switching on / off operational travel along the direction of adjustment S between pressure-off and pressure-on position is z.
• This can, as indicated here, by one, here by way of example as a manually operable actuator 46 (screw) done.
• a pressure point defining so-called. "O-position" is determined.
• FIG. 11 an embodiment for an interconnection of a pressure medium supply - suitable for implementing the above-mentioned procedure - shown.
• An outwardly open or closed fluid reservoir 61 is at a pressure level of a pressure P L (ZB ambient pressure), which is lower than one of the restoring force F R of the spring elements 42 of a bearing unit 14 corresponding pressure.
• the pressure medium (fluid) is passed through a compressor 62, z.
• a pressure level P H or a pressure P H which corresponds to at least the pressure level P or pressure P required for the contact force F.
• compressed fluid can advantageously be stored in a pressure accumulator 63 on the pressure P H.
• an actuator 64 in particular an adjustable pressure reducer 64, the pressure level P through the pressure reducer 64 to the suitable and preselected for the pressure-on position pressure level P or Pressure P (corresponding force F, possibly taking into account the restoring force F R and possibly force .DELTA.F) is set or adjustable.
• Fluid reservoir 61 the units required for the pressure medium supply are dashed lines
• Fluid reservoir 61, compressor 62, pressure accumulator 63 and adjustable pressure reducer 64 to a supply system 75 summarized.
• the valves 56 are arranged close to the cylinder outside of the supply system 75, but could also be integrated centrally in this.
• the fluid reservoir 61 could also be commonly available outside of the supply system 75, centrally available to multiple supply systems 75.
• the setting of the pressure reducer 64 can be effected by an adjusting device 98, in particular a control device 98.
• the adjustment preferably takes place remotely via control line 98 via a signal line 99.
• three pressures P1, P2 and P3 are denoted by different levels or pressure levels P1, P2 and P3, which in an advantageous embodiment can be provided optionally by corresponding control of the pressure reducer 64 in the supply path 66 is.
• These pressure levels P1, P2 and P3 correspond to different pressure-on-position force levels (see further development below).
• two different pressure levels P (eg P DS for the contact force at the pressure point and P DW for the contact force between the printing cylinder 06, 07) via two adjustable, in particular remotely adjustable pressure reducer 64 in two Supply lines 66 may be provided.
• the pressure level P DS for the contact force at the pressure point 05 and the pressure level P D w for the contact force between the printing unit cylinders 06; 07 are provided.
• the pressure level P D and during the adjustment for example, via the pressure reducer s provided for the force at the printing point 05 (selected via the control device 98 or the machine control system and the transfer cylinder 06 employed as required.
• the pressure reducer 64 is then sequentially executed with the selected default value for the pressure level P D s (from eg P D S I , P D S 2 , P D S 3 , z- B. depending on the type of paper) and then with the selected default value for the pressure level P DW (from z. B. P DW4 , P DW5 , P D w 63 , z. B. depending on blanket type) (see Fig. 23).
• valves 56 in particular multi-way valves, per ritaem cylinder 06; 07 are now connected to the supply path 66 of the pressure P (or P1, P2, P3).
• P or P1, P2, P3
• At two above levels for forming and transfer cylinders 06; 07 are the inputs of the movable transfer cylinder 06 associated valves 56 z. B. with the pressure P DS and the inputs of the forme cylinders 07 associated valves 56 connected to the pressure P DW .
• the outputs of the valves 56 are, for. B. via a common return line 101, connected to the fluid reservoir 61.
• the valves 56 are connected by a Control device 103, z. B. a two control devices 98 and 103 comprehensive common control device, adjustable. Preferably, the adjustment takes place remotely via a signal line 102 from the control device 103 ago.
• the controller 98 and / or 103 may, for. B. as a program routine, be located in a control room 104 or control computer 104 (dashed line in Fig. 1 1) for controlling the printing press. If, for example, a command "pressure-on" is output via a program routine or manually via an input means or a switch, the valves 56 of the respective cylinders 06, 07 or printing units 04 are switched by the control device 103 in such a way that the actuators 43 are connected to the Pressure P of the supply line are in communication with the command "pressure-down" the valves 56 z. B. switched such that the actuators 43 are in communication with the pressure level P L of the reservoir.
• An adjustment of the stops 41 is not purely manually movable executed carried out for example either via the executed as a pressure medium actuators 46 actuating means 46 advantageously have its own, a pressure P s-providing supply line 67 (shown) or possibly integrated into the aforementioned pressure level P (or P1, P2, P3).
• the pressure P 3 providing fluid as a gaseous pressure medium, for. As compressed air, be provided in an open system.
• An input of a valve 68 connected to the associated actuator 46 communicates with the supply path 67, depending on the configuration of the actuator 46 (acting double-acting in both directions or only in one of two possible directions) one or two outputs of the valve 68 with one or two inputs of the actuator 46 are connected.
• the valves 68 are preferably by a control device, for. B. by means of the control device 103 adjustable.
• the setting is also carried out remotely actuated by the control device 103 via a signal line 106.
• Fig. 11 is also for fixing the stop 41st an actuatable holding means 69, for example a plunger, provided by means of which the stop 41 can be kept in its substantially force-free position, without changing its position by relieving pressure-off points.
• this holding means 69 may be connected for the purpose of actuation or release via corresponding lines and other valves 71 to the pneumatic supply path 67, and advantageously provided by the control device 103.
• the holding means 69 is adapted to the stopper 41 selectively (when activated) frictionally with respect to.
• the bearing block 34 to terminals.
• a retaining means 74 shown in FIG. 13 is provided instead of the retaining means 69 fixing the stop 41, by means of which the transmission member 47, in particular the piston rod 47 or a corresponding extension piece, can be clamped.
• the holding means 74 may be integrated in the actuator 46, or as shown between actuator 46 and stop 41 may be arranged in such a manner that the transmission member 47 is either fixable or freely movable in its direction of movement.
• the holding means 74 has, for example, two jaws 76 with openings 77 or at least recesses for encompassing the transfer member 47, which are in operative connection with the transfer member 47 in such a way that they are in a first operating state in which the longitudinal axis of the apertures 77 parallel to the transfer member 47th run, the transmission member 47 release, and in a second operating state in which the longitudinal axes of the apertures 77 relative to the longitudinal axis of the transfer member 47 tilted, in particular spread apart, the latter with respect to a movement is clamped.
• the holding means 74 is self-locking, so that when not actuated holding means 74, z. B. by the force of a spring 78, the second operating state is taken.
• the holding means 74 in particular the actuator 79, in principle manually, for example via a corresponding actuator, or advantageously by means of an actuator 81, in particular remotely operable, non-manually operated.
• the actuator 81 is formed in Fig. 13 as a pressure medium acted upon cylinder 81, in which the designed as a piston actuator 79 is movable.
• a return of the stop 41 can either by the spring 48 shown in Fig. 7 or - as shown in phantom in Fig. 13 - active by the formation of the actuator 46 as a pressure medium operable cylinder with double-acting piston, so with two pressure medium supply, one each on either side of a piston 52.
• a first Supply system 75.1 with all necessary aggregates eg. B.
• a second supply system 75.2 with all the required units, eg. B. with a second supply line 66.2, a second pressure reducer 64.2, a second pressure accumulator 63.2 and a second compressor 62.2, be provided.
• Fig. 1 the double arrangement of supply systems for a printing tower 01 is schematically indicated.
• This double training per printing tower 01 is particularly advantageous in printing towers 01, which are formed in the manner of Fig. 2 to 4 separable in the region of the pressure points 05.
• all bearing units 14 of one partial pressure unit 01.1 are supplied by the aggregates of the first supply system and all bearing units 14 of the other partial pressure unit 01 .2 by the aggregates of the second supply system to the pressure medium of the corresponding pressure level P (P1, P2; P3).
• the supply systems are designed here as fully functional pressure medium circuits.
• the two supply systems 75.1; 75.2 are formed at least one location selectively connectable to each other.
• the connection should each be downstream of the compressor 62.1; 62.2, ie in relation to the environment overpressure having line region of the supply circuit, be arranged. In principle, this can take place between the two supply lines 66.1, 66.2 in the region of the already correctly set pressure P (P1, P2, P3) via an optionally openable valve.
• a connection in each of the high pressure P H having pressure medium branch is provided via a switchable valve 65 having a line 70.
• the valve 65 is opened, and the other supply line 66.1; 66.2 through the intact compressor 62.1; 62.2 be supplied with.
• one of the two transfer cylinders 06 although adjustable in its position, but not in the sense of an on / Abstellterrorism operatively movable but mounted frame-fixed.
• the three other cylinders 06; 07 are then movably mounted in the sense of an on / off, in a first variant, all these three cylinders 06; 07 and in the second variant, only the different from the specified transfer cylinder 06 transfer cylinder 06 has a movable stop 41 and possibly the holding means 69.
• the direction of movement C is selected perpendicular to the adjustment direction S and causes an unidirectional actuation (so-called "cooking") of the relevant cylinder 06, 07.
• the adjustment of the cylinder 06, 07 can via a manual or motorized actuating means 73, eg via a handwheel or preferably via a motor-driven adjusting spindle
• a manual or motorized actuating means 73 eg via a handwheel or preferably via a motor-driven adjusting spindle
• Such additional mounting of the bearing unit (s) 14 on the forme cylinder 07 permits an inclination thereof and a register adjustment, and enables the transfer cylinder 06 to be in an inclined position.
• the actuator 43 provided in the above embodiment of the bearing units 14 is designed to provide a travel suitable for engagement or disengagement ⁇ S and therefore preferably has a stroke corresponding at least to ⁇ S.
• the actuator 43 is provided for adjusting the Anstelltikes to each other employees rollers or cylinders 06, 07 and / or for carrying out the Druckan - / - off and designed accordingly.
• the travel ⁇ S (or stroke) is for example at least 1 mm, advantageously at least 1, 5 mm, in particular at least 2 mm.
• Fig. 14 is an advantageous embodiment of a -. B. designed as a prefabricated component - actuator element 59 shown.
• This actuator element 59 comprises at least one, preferably two actuatable with pressure medium as a piston 43 formed actuators 43, which are mounted in recesses 82 of a base body 84, which serve as pressurizable pressure medium 82, movable in the direction of adjustment S.
• the actuator element 59 also includes a supply line 83 for supplying the pressure chambers 82 with pressure medium of the pressure P.
• the two pressure chambers 82 are supplied by a common supply line and thus oppressed or relieved in the same way.
• the upper piston 43 is exemplified for both pistons 43 in a retracted and the lower piston 43 exemplified for both pistons 43 in an extended position.
• the supply line 83 was also only partially characterized as being pressurized.
• the piston 43 is against the pressure medium chamber 82 by one on the circumference of the piston 43 encircling, pressure near chamber seal 86 sealed and a pressure chamber close sliding guide 87 out.
• a second seal 88 and a second slide guide 89 may additionally be provided in a region of the piston 43 remote from the pressure chamber.
• a membrane 91 for. B. rubber, in particular a rolling diaphragm 91 sealed. This is on the one hand completely connected to the piston 43 and on the other hand on its outer peripheral line completely connected to the base body 84 and other fixed internals of the actuator element 59.
• the actuators 43 are not in a separate actuator element (previously 59), but in the frame construction, for. B. the pressure-point remote side support 94, integrated.
• the pressure medium cylinders may be provided as bores in the side support 94.
• the feeds into this pressure medium space can be formed as holes in the side support 94.
• differently designed force-controllable actuators 43 (based on hydraulic, magnetic or piezoelectric forces) may be integrated in the side support 94. The recognizable with the corresponding components of FIG. 7 matching parts are not specifically provided in Fig.
• Fig. 17 illustrated advantageous embodiment of the bearing unit 14, in contrast to the first embodiment, the actuators 43 are not in the stationary, but in movable part of the storage unit 14, z. B. in the carriage 34 and bearing block 34, integrated.
• This is space-saving and therefore particularly suitable when cylinder 06; 07 small scale, z. B. with a simple scope (only a circumference corresponding to a newspaper page) to be made.
• This applies regardless of the specific design of the force-controllable actuator 43 as based on hydraulic, magnetic or piezoelectric forces.
• the parts corresponding to the respective components of Fig. 7 are not all provided with reference numerals in Fig. 16.
• the control and the procedure for setting and presetting the mentioned in connection with the first embodiment of the bearing unit 14 is applied accordingly.
• FIGS. 18 and 19 show further embodiments of the bearing unit 14, wherein at least one actuator 97 close to the pressure point is arranged in addition to at least one actuator 43 remote from the pressure point.
• at least one actuator 43 in this case two acting upon activation to the pressure point 05
• at least one actuator 97 in this case two acting upon activation away from the pressure point are provided.
• the actuators 97 are arranged between the movable and the frame-fixed part of the bearing unit 14 such that upon activation, a force in a direction away from the pressure point 05 on the movable part of the bearing unit 14 can be applied.
• the actuators 43 are - as in the preceding examples of the bearing unit 14 - arranged between the movable and the frame-fixed part of the bearing unit 14 that upon activation, a force in a direction towards the pressure point 05 towards the movable part of the bearing unit 14 can be applied ,
• the actuators 97 may be integrated in the movable part (eg the slide 34) or else in a part of the bearing unit 14 fixed to the frame.
• the at least one actuator 97 is preferably also designed as force-controllable actuators 97 (based on hydraulic, magnetic or piezoelectric forces).
• the off-press actuators 43 are again in the movable part of Bearing unit 14, z. B. in the carriage 34, while they are in Fig. 19 part of a frame-fixed actuator element 59. However, as shown in FIG. 16, they may also be integrated in the frame.
• a double-acting actuator may be used, which can be activated either towards the pressure point or away from the pressure point, d. H. can be acted upon with appropriate pressure medium.
• FIGS. 18 and 19 with at least one actuator 43 acting toward the pressure point 05 and at least one actuator 43 acting away from the pressure point 05; 97 or a double-acting actuator (not shown) is particularly advantageous in printing units 03 or double printing units 04, the cylinder 06; 07 substantially aligned in a vertical arrangement (with or without slight horizontal offset) to each other.
• this additional actuator 97 z. B. the own weight compensated.
• Fig. 20 shows schematically the arrangement of the cylinders 06, 07 of such an I-pressure unit 01 with the bearing units 14.
• Fig. 20 shows schematically the arrangement of the cylinders 06, 07 of such an I-pressure unit 01 with the bearing units 14.
• the cylinders 06; 07 of the I-printing unit 01 arranged one above the other on a plane (as the plane E in Fig. 2).
• This level then takes z. B. an angle between 76 ° and 87 °, in particular between 80 ° and 85 ° to the plane of the horizontal incoming web.
• the arrangement can also be other than in a plane.
• z. B. the two upper cylinders 06; 07 on the near-pressure side of the bearing unit 14 one or more second actuators 97, which can compensate for example, at a corresponding pressure level, the weight.
• the lower cylinder 06; 07 have no second actuators 97 here.
• adjustable “pressure levels” are understood in generalization of the concrete present advantageous example as adjustable “force levels” for the contact force and are conceptually transferred to generalization of the teaching accordingly.
• This assignment between criterion and basic value can be the operator z. B. present in tabular form as information, wherein the input value for the criterion associated basic value for the pressure level P; P1; P2; P3 then z. B. can be entered as desired value for the pressure in an input means of the control station accordingly.
• the corresponding associations between the possible "input values” eg types of paper or blanket types
• the recommended or predetermined "basic values" for the pressure level P; P1; P2; P3 displayed in a data memory of the control device 98 or the control computer 104, displayable via a display device and an input means selectable.
• FIGS. 22 and 23 show, by way of example, at least one detail of a z. B.
• each of these program masks serves the purpose, in conjunction with at least one belonging to the control device 98 control or input means, eg. As a keyboard or a pointer instrument, the z. B. from a cylinder 06; 07 in a roll strip on an adjacent body rotation force applied individually adjust demand and an existing setting preferably remotely controlled, z. B. even during an ongoing production of the printing unit 04, to change.
• control or input means eg. As a keyboard or a pointer instrument, the z. B. from a cylinder 06; 07 in a roll strip on an adjacent body rotation force applied individually adjust demand and an existing setting preferably remotely controlled, z. B. even during an ongoing production of the printing unit 04, to change.
• Both program masks show by way of example in each case schematically a printing unit 01 designed as a four-high tower, wherein four double printing units 03 are shown vertically above one another to generate a 4/4 print, the respective transfer cylinders 06 of the double printing units 03 being set against each other. At each of the transfer cylinder 06 of the double printing 03 each form cylinder 07 is employed.
• FIGS. 1 to 4 respectively, with the associated description.
• z. B. For adjusting the force exerted between the transfer cylinders 06 of the double printing units 03 contact force several, z. B. three different in magnitude pressure levels P1, P2, P3 be provided, each of these pressure levels pressure levels P1, P2, P3 depending on z. B. of a surface finish of the printed in the printing unit 01 printing substrate 02, in particular the web 02, as a criterion is selected, the surface texture z. B. the roughness and / or smoothness and / or the uniformity of the surface and / or the acceptance behavior of printing ink and / or the absorbency of the printing substrate 02 and / or the amount of coating in a coated surface of the printing substrate 02 relates.
• a field 11 labeled with the word "paper selection” is shown, in which field 11 1 several, eg three buttons 107, 108, 109 are selected for selecting the input value for Each of these selectable input values is a specific, preferably not specified by the manufacturer of the press, in the program masks value for the basic value of the pressure level P1, P2, P3, ie for the pressure applied between the transfer cylinders 06 of the double printing units 03 associated pressing force, wherein the respective one of the pressure levels P1, P2, P3 associated contact force by means arranged in the respective storage unit 14 of the transfer cylinder 06 actuators 43 are set after the user of the press his decision regarding the selectable input values Selection may also be made in other suitable ways, e.g. B. by opening so-called. "Pulldown" window and confirm the selection are made.
• the respective contact force exerted between the transfer cylinders 06 of the double printing units 03 can be changed starting from at least one of the selectable pressure levels P, P1, P2, P3, preferably from all selectable pressure levels by a fine adjustment.
• the fine adjustment consists in a percentage addition proceeding from the selectable pressure level P, P1, P2, P3 for increasing the respective contact pressure, the addition being e.g. B. in increments of one percent up to 100%, ie up to a doubling of the respective selected pressure level or the contact force corresponding value can take place.
• the added to the respective selected pressure level P, P1, P2, P3 addition is in the program masks z. B.
• the coating weight z. B. in a range of 10 to 20 g / m 2 (ie lightly coated paper), given different pressure levels P1, P2 and / or z. B. held in the data memory of the controller 98.
• the coating weight z. B. in addition to the two or instead of a two mentioned at least two papers can for another paper, the coating weight z. B.
• Fig. 23 shows that z. B. in addition to the adjustability of the force exerted between the transfer cylinders 06 of the double printing units 03 contact force in association with preferably each double printing unit 03 each a selection menu 1 13 is provided, each selection menu 1 13 z.
• a list with has a plurality of names or names of blankets with different technical properties, wherein the current on the respective transfer cylinder 06 currently mounted blanket is selectable.
• a specific value for the contact pressure or the pressure level P, P4, P5, P6 specified for the respective printing blanket is set between the respective transfer cylinder 06 and the associated forme cylinder 07, each of these settings in turn setting a specific value Specify the level for the contact pressure.
• the respective an input force associated with an input value (pressure or force level) and their fine position takes place in each case by means of the actuators 43 arranged in the respective bearing unit 14 of the transfer cylinders 06 and / or the forme cylinder 07.
• the changes in the selection and / or the change in the fine tuning - for the criterion "paper selection” and / or for the criterion “blanket selection” - can be protected by a forgivable password by the underlying software.
• the criterion "paper selection” can be freely changed, but the pressure-technologically more sensitive criterion "blanket selection” with regard to selection and / or fine-tuning for security reasons must be password-protected.
• a printing unit 01 individually selectable or be fine tuned
• either a plurality of supply systems pressure fluid circuits
• it can be individually set cylinder 06; 07 or cylinder groups several controllable pressure reducer 64 provided on a common supply line.
• bearing means bearing element, linear element
• bearing means bearing element, linear element

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Rotary Presses (AREA)
• Inking, Control Or Cleaning Of Printing Machines (AREA)
• Control Of Position Or Direction (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=37085174

Family Applications (1)

Country Status (6)

Families Citing this family (8)

Family Cites Families (23)

• 2005
  • 2005-09-27 DE DE102005045985A patent/DE102005045985B4/de not_active Expired - Fee Related
• 2006
  • 2006-04-20 US US11/918,320 patent/US8261661B2/en not_active Expired - Fee Related
  • 2006-04-20 AT AT06743361T patent/ATE523338T1/de active
  • 2006-04-20 WO PCT/EP2006/061693 patent/WO2006111555A2/fr active Application Filing
  • 2006-04-20 JP JP2008507078A patent/JP5096315B2/ja not_active Expired - Fee Related
  • 2006-04-20 EP EP06743361A patent/EP1871600B1/fr not_active Not-in-force

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events