DE102010038998A1 - Device for removing a printing form from a form cylinder arranged in a frame of a printing unit - Google Patents

Abstract

A device is proposed for removing a printing forme from a forme cylinder arranged in a frame of a printing unit, this device having a conveying device which moves a carriage along a travel path between its position remote from the forme cylinder and its position close to the forme cylinder, the carriage on the carriage in the axial direction Forme cylinder several rollers are arranged, the rollers being arranged to execute a movement directed perpendicular to the travel path of the carriage, driven by a controllable actuating device, with at least one stamp of a braking device or a holding device and a drive controlling this stamp being firmly connected to the carriage of the conveying device , wherein this at least one punch can be brought into an operating position that exerts a punch force on the printing forme which is to be removed from the forme cylinder and is partially still held on the forme cylinder.

Description

The invention relates to a device for removing a printing form from a form cylinder arranged in a frame of a printing unit according to the preamble of claim 1.

By the EP 2 110 247 A2 For example, an apparatus and a method for positioning a printing plate on a plate cylinder are known.

By the EP 2 014 467 A2 is a device for supplying an at least at its leading end in the direction of production a beveled suspension leg having printing forme to a forme cylinder of a printing unit and the use of a roller bar to support the assembly of this printing form on the lateral surface of the forme cylinder known.

By the EP 1 644 193 A2 a device for mounting and / or detaching a lift with a roller having a pressing device is known, wherein the roller is arranged on a traverse in such a way that they by a drive either to a cylinder or an on-cylinder elevator on or is abstellbar, wherein the pressing device or the roller carrying the cross member is movable in total in such a way that a distance of the roller from the cylinder is selectively increased.

By the DE 196 20 997 A1 are known a method and an apparatus for the axial positioning of a forme cylinder of a printing unit to be supplied printing plate, wherein a gripper unit in the form of z. B. two suction bars are provided.

By the DE 44 40 239 C2 is a rolling element for pressing a flexible pressure plate to the forme cylinder of a printing unit of a rotary printing machine at the plate change known, the rolling element of a plurality along the shell of the forme cylinder, individually engageable on these rollers, wherein at least a first role in the assembly of the pressure plate and at least a second role in the dismantling of the printing plate in the printing plate in the form of cylinder can be adjusted.

By the WO 93/04863 A1 an apparatus and a method for discharging printing plates of a printing press are known, wherein an activatable holding means having Plattenabführeinrichtung is provided, these holding means are arranged on a carriage which is movable along a guide over approximately the entire device length.

The invention has for its object to provide a device for discharging a printing form of a arranged in a frame of a printing unit form cylinder.

The object is achieved by the features of claim 1.

The achievable with the present invention consist in particular that are arranged with the proposed device for discharging a printing form of a arranged in a frame of a printing unit form cylinder all required for the flattening drives, actuators and sensors alone to a carriage of a conveyor. This leads to a compact, simplified design of this device and makes them less susceptible to interference in the harsh environment of a printing unit of a printing unit. For the flattening and flattening operation, preferably the same conveyor and the same carriage are used, albeit different components of this carriage. With the proposed device, in particular, a large-format printing forme from the forme cylinder of a printing unit can be reliably and safely discharged.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Show it:

1 a first embodiment of a printing unit;

2 A second embodiment of a printing unit;

3 a third embodiment of a printing unit;

4 a fourth embodiment of a printing unit;

5 one of the in one of the printing units according to 1 to 4 arranged feeders together with a cooperating with this feed roller bar;

6 a further illustration of a feeder and cooperating with this feed roller bar;

7 an arrangement of adjusting means in the roller bar according to the 5 or 6 ;

8th an enlarged section of the representation in the 7 ;

9 a sectional view of the roller bar;

10 a first operating state of the roller bar arranged in a printing unit;

11 a second operating state of the roller bar arranged in a printing unit;

12 a further sectional view of the arranged in a printing unit roller bar;

13 a third operating state of the roller bar arranged in a printing unit with a printing forme to be supplied to the forme cylinder;

14 a printing unit with feed devices arranged in it, in each case with the roller strip assigned to the respective feed device;

15 a feeder with a linearly movable carriage;

16 a support belonging to the support for a printing cylinder to be supplied to the forme cylinder;

17 a holding device for holding the printing form on the support;

18 a first operating position in the 17 illustrated holding device;

19 a second operating position in the 17 illustrated holding device;

20 the carriage of the feeder with suction pads;

21 the conveyor of the feeder as a single assembly;

22 the carriage of the feeder in a position remote from the forme cylinder;

23 the carriage of the feeder in an operative position resting on the overlay printing form;

24 the carriage of the feeder in an operating position supplying the printing cylinder to the forme cylinder;

25 a sectional view of belonging to the feeder pads;

26 an illustration of belonging to the feeder pads in the form cylinder arranged state;

27 the feeder and cooperating with her, spaced from her extraction device;

28 a sectional view of the extraction device;

29 a perspective view of the pullout device;

30 a catching device of the extraction device in a first operating state;

31 the catching device of the extraction device in a second operating state;

32 a held between the feeder and the pullout means, discharged from the forme cylinder printing plate in a sectional view;

33 the held between the feeder and the pullout device, discharged from the forme cylinder printing form in a perspective view;

34 an assembly for mounting in an upper printing unit comprising a conveyor and a carriage;

35 one at the sled in the 34 illustrated assembly arranged suction pads in a first operating position;

36 a device for diagonal register-containing alignment and page register containing a to be supplied to the form cylinder arranged in the upper printing unit printing form;

37 the on the sled in the 34 illustrated assembly arranged suction pads in a second operating position;

38 the on the sled in the 34 illustrated assembly arranged suction pads in a third operating position;

39 the printing forme to be supplied to the forme cylinder arranged in the upper printing unit in its state held by a pressing element of the roller strip;

40 the printing forme to be removed from the printing cylinder arranged in the upper printing unit with its trailing end released from the printing cylinder;

41 the guided against a guide element of the feeder, of which in the upper Printing unit arranged form cylinder dissipated printing form;

42 a section of the arranged in the upper printing unit feeding device with its braking device or holding device for the discharged from the forme cylinder printing plate;

43 a catching device of a pull-out device cooperating with the feed device arranged in the upper printing unit;

44 a perspective view of the in the 43 illustrated extracting device as an assembly;

45 the printing forme to be removed from the printing cylinder arranged in the upper printing group with its leading end released from the printing cylinder;

46 the completely removed from the form cylinder arranged in the upper printing unit, held by a catching device of the pull-out device printing form;

47 a perspective view of the in the 46 illustrated operating situation.

A rotary printing machine, z. B. an offset rotary printing machine, has at least one printing unit 01 , preferably several printing units 01 on. In every printing unit 01 is in a rack 08 arranged in each case at least one printing unit, wherein the printing unit from a with at least one printing plate 16 ( 5 ) occupied or at least assignable form cylinder 02 and one with this form cylinder 02 cooperating transfer cylinder 03 consists of a substrate 04 , z. B. a web or a sheet, at least during a printing process performed by the rotary printing machine by one of the transfer cylinder 03 and one to this transfer cylinder 03 Employed impression cylinder formed pressure gap is passed. The one with the transfer cylinder 03 cooperating impression cylinder can also act as a transfer cylinder 03 be formed with which transfer cylinder 03 another form cylinder 02 interacts so that from the two pairs of cylinders, each consisting of a forme cylinder 02 and one with this form cylinder 02 cooperating transfer cylinder 03 exist, a double printing unit is formed. Each printing unit also has at least one inking unit 06 , which in the printing process printing ink on the at least one printing form 16 belonging to the relevant printing unit form cylinder 02 applying. When the printing unit 01 in a wet offset process, ie operated in a printing process using a fountain solution printing method, is also a dampening unit in the printing unit 07 ( 3 and 4 ), which in the printing process the dampening solution to the at least one printing forme 16 belonging to the relevant printing unit form cylinder 02 applying.

The on one of the form cylinder 02 the printing unit 01 to be arranged at least one printing form 16 is formed as a flexible thin rectangular plate, said plate in the axial direction of the respective forme cylinder 02 a width B of up to 2,400 mm and one in the circumferential direction of the respective forme cylinder 02 directed length can have up to 1,300 mm. The printing form 16 is preferably formed of a metallic material and has z. Example, a thickness in the range between 0.2 mm and 0.5 mm, preferably between 0.3 mm and 0.4 mm. It can be seen that, in particular, large-format printing forms 16 with a width B of more than 1,500 mm and a length of over 1,000 mm in their handling are not without problems. In particular, the process of arranging a large-sized printing plate 16 on a lateral surface of the relevant forme cylinder 02 requires special care in order to avoid this printing form during this process 16 still components of the printing unit 01 to damage.

As an auxiliary device for changing at least one printing plate 16 at the belonging to the relevant printing unit form cylinder 02 , In particular for mounting and / or optionally also for dismantling this at least one printing plate 16 on or from the relevant forme cylinder 02 , each printing unit is a feeder 09 assigned, wherein the respective feeder 09 in the frame 08 the relevant printing unit 01 is arranged in each case fixed to the frame or, if necessary, to carry out the change of at least one printing plate 16 at least at the belonging to the relevant printing unit form cylinder 02 z. B. by a pivoting movement, by a lifting movement or by a feed movement is preferably tangentially adjustable. The respective feeder 09 has at least one for form cylinder 02 tangential plane 14 , preferably several, z. B. vertically stacked levels 14 ; 17 ; 18 ( 5 ), so that at least one of these levels 14 ; 17 the relevant feeder 09 at least one printing form 16 to the associated form cylinder 02 can be fed and preferably in another plane 18 the relevant feeder 09 at least one of the associated form cylinder 02 discharged printing form 16 is receivable. The feeding of the at least one printing form 16 to the associated form cylinder 02 and / or the discharge of at least one printing form 16 from the relevant form cylinder 02 is preferably automated by at least one controllable by a control unit conveyor 21 ; 26 ( 5 ). The control unit is z. B. by a pressure unit 01 belonging control room realized. The feeder 09 can z. B. be formed as a printing forme magazine in which the plurality of superimposed planes 14 ; 17 ; 18 each formed as a shaft.

1 shows by way of example a printing unit operated in a dry offset printing method 01 with several, especially four in the same frame 08 essentially vertically stacked double printing units, wherein the formed as a material web substrate 04 z. B. after deflection at a lower first guide roller 11 vertically through this pressure unit 01 and thus passed through the pressure column of the double printing units and z. B. at an upper second guide roller 12 from this printing unit 01 is led out. A transport direction T of the printing substrate 04 Accordingly, at least in the printing process is substantially orthogonal to a foundation 13 on which this printing unit 01 is founded. In the in the 1 Example shown have the form cylinder 02 and the respective cooperating with them transfer cylinder 03 each an equal diameter. Along the circumference of the respective forme cylinder 02 are preferably each two printing plates 16 arranged one behind the other. In the axial direction of the forme cylinder 02 can each print several forms 16 be arranged, for. B. four or six printing forms 16 so that every shape cylinder 02 z. B. with eight or twelve printing plates 16 occupied or at least provable. The mold cylinders concerned 02 respectively associated feeders 09 are preferably substantially horizontally aligned, between opposing walls of the frame 08 the printing unit 01 z. B. fixed and tangent to the respective form cylinder 02 employed or at least employable there. One end of the feeders 09 , which in the printing unit 01 extending transport plane of the substrate 04 is further, is an operating side of this printing unit 01 facing. A printing unit 01 with at least one double printing unit has two preferably symmetrical to the transport plane of the printing material 04 opposite operating pages.

2 shows a printing unit 01 Essentially, like the printing unit 01 is constructed so that for the same elements of these two printing units 01 also in each case the same reference numerals are used. Unlike the printing unit 01 of the 1 have the respective form cylinder 02 the printing unit 01 of the 2 a diameter only half as large as the respective cooperating with them transfer cylinder 03 , One speaks of a printing unit each with a simple large form cylinder 02 and a double-sized transfer cylinder 03 , The respective form cylinder 02 is along its circumference only with a single printing plate 16 occupied or at least assignable, whereas on this form cylinder 02 in the axial direction quite several, z. B. four or six printing forms 16 can be arranged side by side. The one with this form cylinder 02 cooperating transfer cylinders 03 transmits with each of its revolutions two each of the forme cylinder in question 02 acquired print images on the vertical through the printing unit 01 guided substrate 04 ,

The in the 3 exemplified printing unit 01 is different from the one in the 2 illustrated printing unit 01 in that to the printing units in the 3 illustrated printing unit 01 one dampening unit each 07 , z. B. a three-roller spray dampening belongs, since this pressure unit 01 Perform the printing process in a wet offset printing process.

4 shows as an alternative to those in the 1 to 3 exemplified printing units 01 with a substantially vertical transport direction T of the printing substrate 04 one on a foundation 13 set up printing unit 01 with a double printing unit, wherein in the printing unit 01 of the 4 the substrate 04 during the printing process in a horizontal transport direction T and thus substantially parallel to the surface of the foundation 13 through this printing unit 01 passed through. At the printing unit 01 of the 4 are the diameter of the form cylinder 02 and the diameter of each with the respective forme cylinder 02 cooperating transfer cylinder 03 the same size, the form cylinder 02 along its circumference and also in its axial direction preferably only with a single printing plate 16 are occupied. In association with the respective form cylinders 02 are in the frame 08 this printing unit 01 likewise each an inking unit 06 and, if necessary, also a dampening unit 07 arranged. Further, preferably, each form cylinder 02 the printing unit 01 of the 4 also each a feeder 09 at least for the assembly of at least one printing form 16 associated with these feeders 09 preferably in each case in a direction inclined relative to the horizontal orientation substantially tangentially to the respective form cylinder 02 are employed or at least can be adjusted, with a relative to the horizontal angle of inclination z. B. is in the range between 15 ° and 60 °. The operating side of this printing unit 01 is located on the side of the printing unit 01 at which the in the printing unit 01 arranged feeders 09 each with at least one of the respective form cylinder 02 supplied printing form 16 are loadable, which is in the 4 from the right is possible.

5 shows in a simplified schematic representation of a feeder 09 which z. B. in a printing unit 01 according to the 1 to 3 above rollers of one of the forme cylinders 02 belonging inking unit 06 essentially horizontally and to the respective form cylinder 02 is arranged tangentially employed. The feeder 09 has at least one for form cylinder 02 tangential first level 14 on, from which at least one printing form 16 to the associated form cylinder 02 can be fed. Preferably, at a distance a more levels 14 ; 17 arranged vertically one above the other, each of which has at least one printing plate 16 to the associated form cylinder 02 can be fed. Preferably at a further distance b vertically below the aforementioned levels 14 ; 17 , from each of which at least one printing form 16 to the associated form cylinder 02 can be fed, is at least one other more to the relevant feeder 09 belonging level 18 provided, in which at least one of the associated form cylinder 02 discharged printing form 16 is receivable. In a training variant of the feeder 09 are in every level 14 ; 17 ; 18 in the axial direction of the associated forme cylinder 02 side by side several printing forms 16 can be arranged, with respect to these levels 14 ; 17 ; 18 printing forms 16 either jointly and simultaneously or individually and selectively to the relevant forme cylinder 02 can be supplied or deducted from this. In a first embodiment of the feeder 09 is in association with the at least one level 14 , from which at least one printing form 16 to the associated form cylinder 02 can be supplied, a controllable first conveyor 21 provided, which z. B. by means of a preferably linearly movable slide 22 , the at a trailing end seen in the direction of production P. 23 the one at the level concerned 14 stored printing form 16 attacks in the relevant plane 14 stored printing form 16 with her in the direction of production P seen leading end 24 ahead of that form cylinder 02 feeds, this feeder 09 assigned. The trailing end seen in the direction of production P. 23 the printing form 16 preferably has an approximately right-angled suspension leg. The leading end 24 the printing form 16 preferably has one at an acute angle of z. B. 30 ° to 60 °, in particular 45 ° angekanteten suspension leg. Advantageously, it is provided that the first conveyor 21 optionally from one of the several levels 14 ; 17 in each case at least one printing form 16 the associated form cylinder 02 supplies. If at least one more to the relevant feeder 09 belonging level 18 is provided, in which at least one of the associated form cylinder 02 discharged printing form 16 is recordable, is in assignment to this level 18 preferably a controllable second conveyor 26 provided, which at least one of the associated form cylinder 02 to be removed printing form 16 from this form cylinder 02 completely dissipates. This second conveyor 26 is z. B. in the form of a preferably linearly movable carriage, which preferably has the trailing end 23 the from the form cylinder 02 to be removed printing form 16 takes hold of it and the printing form to be removed 16 from this form cylinder 02 completely deducted. In the 5 indicate each one of the conveyors 21 ; 26 associated double arrows the respective of the relevant conveyor 21 ; 26 executable, parallel to the respective levels 14 ; 17 ; 18 extending direction of movement.

Like from the 5 Moreover, it can be seen that points with the feeder 09 cooperating form cylinder 02 at least one extending under the lateral surface, in the axial direction of this forme cylinder 02 extending channel 27 on, which on the lateral surface of this forme cylinder 02 a preferably slot-shaped opening 28 with a slot width z. B. in the range between 2 mm and 5 mm. When mounting a printing form 16 on the lateral surface of the forme cylinder 02 become the leading end 24 and the trailing end 23 this printing form 16 through the opening 28 in the same channel 27 this form cylinder 02 introduced and held there when the printing form 16 the scope of this form cylinder 02 practically completely encloses. In the case of several in the circumferential direction one behind the other on the forme cylinder 02 arranged or arranged printing forms 16 become their respective leading end 24 and trailing end 23 into different channels 27 of the forme cylinder 02 introduced and kept there, these channels 27 in the form cylinder concerned 02 are arranged offset from each other in the circumferential direction, z. B. with an offset of 180 °, if two equally long printing plates 16 on the circumference of the forme cylinder 02 to be arranged one behind the other.

To support the assembly of at least one printing form 16 on the lateral surface of the forme cylinder 02 is in association with this forme cylinder 02 a in the axial direction of this forme cylinder 02 extending roller bar 31 provided, the roller bar 31 at least one pressing element 32 , z. B. a rolling element, in particular a roller, wherein the at least one pressing element 32 by means of a controllable actuating means 33 to the relevant form cylinder 02 adjustable and can also be turned off by this. In the 5 is that of the forme cylinder 02 parked operating state of the pressure element 32 in a solid Line shown and the to the form cylinder 02 employed operating state of the pressure element 32 indicated by dashed lines. In the 2 and 3 is an arrangement of the roller bar 31 in a printing unit 01 in association with a respective feeder 09 shown.

Furthermore, in support of disassembly, ie in particular to support the discharge of at least one printing plate 16 from the lateral surface of the forme cylinder 02 in association with this form cylinder 02 preferably in the axial direction of this forme cylinder 02 extending guide element 34 provided, wherein the guide element 34 at least one pressing element 36 , z. B. a rolling element, in particular a roller, wherein the at least one in a management plane of the lateral surface of the forme cylinder 02 to be removed printing form 16 arranged pressing element 36 by means of a controllable actuating means 37 in the direction of the relevant forme cylinder 02 conceivable and also recoverable, this pressure element 36 its end position, however, preferably at a distance from the lateral surface of the forme cylinder 02 achieved and thus not on the lateral surface of the forme cylinder 02 is hired. In the 5 is an operating state of the pressure element 32 shown in which this pressure element 36 by an actuation of its actuating means 37 up to the management level of the lateral surface of the forme cylinder 02 to be removed printing form 16 is presented, thereby extending from the lateral surface of the forme cylinder 02 solved trailing end 23 the at least one of the forme cylinder 02 to be removed printing form 16 during a rotation of the forme cylinder 02 about its axis of rotation M against its production direction P of that plane 18 the relevant feeder 09 is supplied, in which the at least one of the forme cylinder 02 discharged printing form 16 is receivable. On the guide element 34 with its pressure element 36 will be in conjunction with the 40 to 42 and 45 discussed in more detail.

6 shows in a perspective view one in a printing unit 01 z. B. according to the 1 to 4 arranged form cylinder 02 with a tangential to this form cylinder 02 hired level 14 ; 17 a feeder 09 for feeding at least one printing form 16 to this form cylinder 02 , In the in the 6 example shown is the level 14 ; 17 the feeder 09 formed by a simple support table. In association with this form cylinder 02 is one in the printing unit 01 preferably fixed to the frame arranged roller bar 31 provided, with the roller bar 31 and the plane 14 ; 17 the feeder 09 in the axial direction of the forme cylinder 02 in each case at least over the width B of the relevant on this form cylinder 02 arrangeable printing form 16 extend. The roller bar 31 has at least one pressing element 32 , preferably several, z. B. ten or more juxtaposed pressure elements 32 on which in the in the 6 shown operating state due to actuation of at least one actuating means 33 to the form cylinder 02 are employed, wherein the adjusting means 33 in the 6 through a housing 44 ( 9 ), z. B. are covered at least partially by a cladding sheet. The housing 44 the roller bar 31 is z. B. in the form of a traverse formed in the axial direction of the forme cylinder 02 between opposing walls of the frame 08 the printing unit 01 extends, or it is z. B. arranged on such a Traverse.

7 shows the in the 6 shown roller bar 31 , wherein the housing 44 partially open, so that the the pressure elements 32 adjusting adjusting means 33 are visible. In the preferred embodiment, each pressing element 32 exactly one adjusting agent 33 assigned, so the roller bar 31 as many adjusting agents 33 has like pressure elements 32 , The pressing elements 32 are each z. B. formed as a roll, wherein an axis 43 each role each z. B. in a fixed with the respective actuating means 33 connected hangers 38 ( 8th ) is stored. On the respective lateral surface of each roller are preferably more, z. B. five or more rubber rings 39 reared ( 8th ), which are arranged at an axial distance from each other. Due to an actuation of the actuating means 33 are the pressing elements 32 preferably radially against the forme cylinder 02 unemployable.

8th shows in an enlargement part of the in the 6 and 7 shown roller bar 31 , The adjusting means 33 the pressing elements 32 are in the case 44 the roller bar 31 firmly arranged. The adjusting means 33 are each z. B. formed as a pneumatic cylinder, in particular as a double-acting pneumatic cylinder, which has two pressure chambers acting on the same piston, wherein one of these pressure chambers for a hiring of the relevant actuating means 33 connected pressing element 32 to the form cylinder 02 and the other of these two pressure chambers for stopping the with the relevant actuating means 33 connected pressing element 32 from the form cylinder 02 are provided. Each pneumatic cylinder thus has two connections each for a pneumatic line. To jointly employ all the pressing elements 32 the roller bar 31 to the form cylinder 02 to enable all ports that supply a pressure medium of the respective pressure chamber, which is for hiring the with the relevant actuating means 33 connected pressing element 32 to the form cylinder 02 is responsible, connected to a same source of compressed air, preferably by means of a common compressed air line. Likewise, all connections that supply a pressure medium of the respective pressure chamber, which is for a shutdown of the respective actuating means 33 connected pressing element 32 from the form cylinder 02 is responsible, preferably connected by a common compressed air source by means of a common compressed air line to a common shutdown of all pressure elements 32 the roller bar 31 from the form cylinder 02 to enable. The respective pressing element 32 Overlaying hangers 38 is each by means of a rod 41 firmly connected to the piston of the respective pneumatic cylinder. The piston of the respective pneumatic cylinder is in the pneumatic cylinder preferably by at least one guide element 42 arranged secured against rotation.

9 is a sectional view of the in the 6 to 8th shown roller bar 31 , wherein the section in a to the longitudinal extent of the roller bar 31 orthogonal plane lies. At least one, but preferably each of the at least one pressing element 32 adjusting adjusting means 33 is in the case 44 fixed, with the axis 43 of the relevant of the respective actuating means 33 in its distance to the form cylinder 02 changeable pressure element 32 in the bar 41 firmly connected straps 38 is stored. On one longitudinal side of the roller bar 31 , ie at its parallel to the axial direction of the associated forme cylinder 02 extending side, which is a substantially radial to the forme cylinder 02 has directed surface extent, so at the front of the roller bar 31 or on its back, is preferably on or in the housing 44 the roller bar 31 an access to the at least one pressing element 32 covering protective strip 46 , in particular a finger guard 46 arranged, which by means of at least one with the housing 44 the roller bar 31 connected guide element 47 is movably mounted. The of the finger guard 46 executable movement is preferably a lifting movement, wherein the stroke of the finger guard 46 in particular radially to the forme cylinder 02 runs, but at least by two different radial distances from the forme cylinder 02 is limited. The finger protection strip 46 is to perform their stroke z. B. of two adjusting agents 48 driven, each one of the two actuating means 48 at one of the two in the axial direction of the forme cylinder 02 opposite end faces preferably in the housing 44 the roller bar 31 is arranged ( 7 and 8th ). The adjusting means 48 for performing the lifting movement of the finger guard 46 are therefore of the at least one actuating means 33 for employment of the at least one pressing element 32 to the form cylinder 02 or for the shutdown of this pressure element 32 from the form cylinder 02 different. The adjusting means 48 for performing the lifting movement of the finger guard 46 are also independent of the at least one actuating means 33 for employment of the at least one pressing element 32 to the form cylinder 02 or for the shutdown of this pressure element 32 from the form cylinder 02 actuated. The adjusting means 48 the finger protection strip 46 are as well as the at least one actuating means 33 for on or off the at least one pressing element 32 the roller bar 31 preferably in each case as a pneumatic cylinder, in particular in each case as a double-acting pneumatic cylinder, is formed, so that also for the actuating means 48 the finger protection strip 46 two connections are provided in each case for a pneumatic line. A piston rod 49 of the respective pneumatic cylinder is in each case with a connecting element 51 connected ( 7 and 8th ), on which the finger guard 46 is fixed, so that upon movement of the respective piston rod 49 the finger guard 46 their stroke movement between one of the forme cylinder 02 further position P1, in particular end position, and one of the forme cylinder 02 closer position P2, in particular end position, executes. One from the finger guard 46 with its stroke movement executed s is z. B. in the range between 4 mm and 20 mm, in particular at about 10 mm to 12 mm ( 12 ). The finger protection strip 46 is at least at her the form cylinder 02 facing edge z. B. formed as a flanged sheet metal part. The finger protection strip 46 is at least partially z. B. coated with Teflon or other sliding material to at its at least one guide element 47 to slide more smoothly. In the preferred embodiment, the preferably more actuating means 33 for on or off the preferably several pressing elements 32 and the adjusting means 48 the finger protection strip 46 in a same in the axial direction of the forme cylinder 02 extending plane E1 arranged, wherein the adjusting means 33 for on or off the at least one pressing element 32 and the adjusting means 48 the finger protection strip 46 individually and independently of each other, ie are selectively operable. The pressing elements 32 the roller bar 31 and the finger guard 46 carry their respective respective linear motion in two different plan planes E1 parallel to each other at a distance e; E2 from, these two levels E1; E2 preferably substantially radially to the lateral surface of the forme cylinder 02 are directed and one of these two levels E1; E2 is the plane E1 in which the actuating means 33 for on or off the at least one pressing element 32 and the adjusting means 48 the finger protection strip 46 are arranged. The distance e between the two mutually parallel planes E1; E2 is z. B. in the range between 10 mm and 40 mm, preferably between 20 mm and 30 mm. The of the pressing elements 32 the roller bar 31 and / or the finger guard 46 executed movement is then considered to be substantially radial to the lateral surface of the forme cylinder 02 considered when a longitudinal extension of this Layers E1; E2, in which the respective movement is carried out, starting from an intersection with one of the axis of rotation M of the respective forme cylinder 02 outgoing radial beam at an acute angle of not more than 30 °, preferably less than 15 °, deviates from this radial beam ( 11 ).

10 shows the roller bar 31 in their arrangement on a form cylinder 02 , wherein this form cylinder 02 to a transfer cylinder 03 is employed. It is implied that this transfer cylinder 03 to another transfer cylinder 03 is employed, which indicates that the arrangement of printing cylinders shown 02 ; 03 preferably belongs to a double printing unit. 10 thus concerns a mounting situation, as z. Tie 1 or 4 is shown. Even if in the 10 the printing cylinder 02 ; 03 have an equal diameter, the arrangement shown is the roller bar 31 for a person skilled in the art also readily to a printing unit 01 according to the 2 or 3 , in each of which a simply large form cylinder 02 with a double-sized transfer cylinder 03 cooperates, transferable and executable there. In the 10 is in or at least close to the gusset between the form cylinder 02 and the transfer cylinder 03 arranged roller bar 31 shown in a working position in which all their pressing elements 32 to the form cylinder 02 are employed. The z. B. in the housing 44 the roller bar 31 integrated trained Fingerschutzleiste 46 is spaced from the lateral surface of the forme cylinder 02 in her from the form cylinder 02 further end position P1, which also in the 9 is shown. The finger protection strip 46 extends in the axial direction of the forme cylinder 02 over almost the entire length of the lateral surface of this forme cylinder 02 ie over more than 90% of this length, but at least across the width B of one on this forme cylinder 02 arrangeable printing form 16 , At the two end faces of the roller bar 31 are preferably on the housing 44 retaining elements 52 arranged, by means of which the roller bar 31 in the frame 08 the printing unit 01 is fixed. At the two end faces of the roller bar 31 is preferably in each case a stop 53 provided, these two attacks 53 in the axial direction of the forme cylinder 02 are spaced apart such that between them a clearance w corresponding to the width B of at least one on this form cylinder 02 arrangeable printing form 16 is trained. To supply to the roller bar 31 belonging adjusting means 33 ; 48 with a pressure medium, for. As compressed air, is at least one connected to a pressure medium source or at least connectable, preferably on the frame 08 the printing unit 01 arranged connection element 54 provided, from which at least one z. B. flexible pressure medium line at least to one end face of the roller bar 31 is feasible. The adjusting means 33 ; 48 supplied compressed air has a working pressure z. B. in the range between 2 bar and 6 bar. The with the respective connection element 54 connected and z. B. by means of branches to the respective actuating means 33 ; 48 leading compressed air lines are advantageously in the housing 44 the roller bar 31 in one above the actuating means 33 ; 48 arranged, in the axial direction of the forme cylinder 02 preferably consistently extending shaft laid. All the pressing elements 32 associated adjusting means 33 and / or all of the finger guard 46 associated adjusting means 48 are preferably supplied by the respective pressure medium line in each case together with the pressure medium and are also synchronously pressurized or relieved.

11 shows the same installation situation of the roller bar 31 as the 10 , but with the difference that the z. B. in the housing 44 the roller bar 31 integrated trained Fingerschutzleiste 46 now spaced from the lateral surface of the forme cylinder 02 in her form cylinder 02 closer to P2. The preferably form-fitting between the two in each case at the two end sides of the roller bar 31 arranged attacks 53 fitted, movable finger guard 46 closes in this operating state in conjunction with the housing 44 the roller bar 31 an access to that of the forme cylinder 02 and the transfer cylinder 03 formed gusset to avoid the risk of injury to an operator when this operator during a rotation of the printing cylinder 02 ; 03 , in particular in an ongoing production of the printing press, on the operating side of the printing unit 01 staying.

12 shows in a to the axial direction of the printing cylinder 02 ; 03 Orthogonal sectional view of a section of the in the 10 and 11 illustrated arrangement of printing cylinders 02 ; 03 , where the roller bar 31 from the respective operating side of the printing unit 01 seen from the access to the of the form cylinder 02 and the transfer cylinder 03 formed gusset is arranged obstructing. In the in the 12 shown operating state is the at least one in the bracket 38 mounted pressure element 32 the roller bar 31 from this pressing element 32 associated adjusting means 33 against the form cylinder 02 hired. The with the piston of the trained as a pneumatic cylinder actuator 33 connected rod 41 is due to an impact of the piston with compressed air in the direction of the lateral surface of the forme cylinder 02 extended. In the sectional view of 12 is also the operation of the finger guard 46 provided adjusting means 48 recognizable as well as the connecting element 51 on which the finger protection strip 46 is fixed. The finger protection strip 46 is on a guide element 47 slidably mounted. In the in the 12 shown operating state is the finger guard 46 at her the form cylinder 02 further end position P1. This results between a form cylinder 02 facing, preferably rounded and thus not sharp-edged edge of the finger guard 46 and the lateral surface of the forme cylinder 02 a slit-shaped opening 56 with a gap width p, wherein the gap width p z. B. in the range between 4 mm and 20 mm, in particular about 10 mm to 12 mm. The roller bar 31 has in its preferred embodiment another, z. B. with the housing 44 the roller bar 31 firmly connected, rigid, ie not movable protective strip 57 on, with which a gap-shaped opening 58 between a transfer cylinder 03 facing edge of this protective strip 57 and the lateral surface of the transfer cylinder 03 is limited in its gap q, this gap width q also z. B. in the range between 4 mm and 20 mm, in particular about 10 mm to 12 mm.

13 shows in a perspective view in the 10 to 12 illustrated arrangement of printing cylinders 02 ; 03 , wherein the form cylinder 02 with the at least one preferably slot-shaped opening on its lateral surface 28 assumes an angular position, in which the seen in the direction of production P leading end 24 the form cylinder 02 supplied printing form 16 the relevant in this form cylinder 02 arranged channel 27 can be fed. The feeding of the printing form 16 preferably with one of the in the 1 to 5 shown feeders 09 , To the printing form 16 the form cylinder 02 to feed, which is on the forme cylinder 02 to be arranged printing form 16 between the two at each of the two end faces of the roller bar 31 arranged attacks 53 passed through. The pressing elements 32 the roller bar 31 are at this time in their form cylinder 02 parked operating state. Also the finger guard 46 is at this time in their form cylinder 02 further end position P1.

14 shows a printing unit 01 which, in its construction, is essentially that in the 4 illustrated printing unit 01 equivalent. Unlike the one in the 4 illustrated printing unit 01 runs the transport direction T of the substrate 04 in the opposite direction. The feeders 09 are at the in the 14 illustrated printing unit 01 from the left, each with at least one on the respective form cylinder 02 to be arranged printing form 16 Chargeable, so that the operating side of this printing unit 01 located on the left side of her depiction. Of the 14 is the arrangement of the basis of the 5 to 13 explained roller bar 31 in the printing unit 01 removable. Each of the in the 14 shown roller bars 31 is arranged in each case in a feed plane, along which feed plane one on the respective forme cylinder 02 to be arranged printing form 16 from the associated feeder 09 essentially tangential to the lateral surface of the respective forme cylinder 02 is introduced. The planes E1; E2, in which the pressing elements 32 the roller bar 31 and the finger guard 46 their respective to the lateral surface of the forme cylinder 02 perform directed movement, preferably are substantially orthogonal to that of the on the respective form cylinder 02 to be arranged printing form 16 continuous feed level.

In the previously described roller bar 31 to support a mounting of at least one printing form 16 on the lateral surface of a forme cylinder 02 a rotary printing machine, wherein the roller bar 31 in an axial direction of the forme cylinder 02 extending first plane E1 at least one movable in this plane E1 pressing element 32 has, wherein the roller bar 31 one in the axial direction of the forme cylinder 02 extending, an access to the at least one pressing element 32 covering protective strip 46 has, wherein the protective strip 46 is movably mounted, is the movement of the protective strip 46 preferably designed as a linear lifting movement and / or the protective strip 46 is preferably in one of the first plane E1, in which the at least one pressing element 32 movable, different second plane E2 movable, wherein the first plane E1 and the second plane E2 are arranged at a distance e parallel to each other. In this case, in the axial direction of the forme cylinder 02 extending first level E1 several pressing elements 32 be provided, wherein each of these pressing elements 32 in each case at least one controllable actuating means 33 assigned. Also the protective strip 46 is at least one controllable actuating means to carry out their lifting movement 48 assigned. In this case, these are at least one of the at least one pressing element 32 associated controllable actuating means 33 and / or the at least one of the protective strip 46 associated controllable actuating means 48 each optionally and independently from a control unit, for. B. from one of the printing unit associated control station, actuated, in particular remotely operable. Advantageously, these are at least one of the at least one pressing element 32 associated controllable actuating means 33 and / or the at least one of the protective strip 46 associated controllable actuating means 48 each formed as a double-acting pneumatic cylinder, each of these pneumatic cylinders each having two acting on a same piston pressure chambers, wherein the two working surfaces of this piston to its reliable deflection alternately with a pressure z. B. in the range between 2 bar and 6 bar are acted upon and also acted upon. All the at least one pressing element 32 associated controllable actuating means 33 and / or all of the protective strip 46 associated controllable actuating means 48 are preferably each actuated together. The protective strip 46 is advantageously on at least one guide element 47 slidably mounted, wherein the guide element 47 in or on a housing 44 the roller bar 31 , at least at one the adjusting means 33 ; 48 covering fairing sheet is arranged. The protective strip 46 is preferably at least partially with Teflon or another friction between the protective strip 46 and its guiding element 47 coated with a reducing layer.

The following details on the details of the 1 to 5 in each case only schematically illustrated feeder 09 received. The explanations are given without limitation and by way of example for a printing unit 01 according to the 4 and 14 , In the printing units 01 of the 4 and 14 is the substrate 04 essentially horizontally by the of two successive rolling transfer cylinders 03 formed printing gap, which is why one here in each of the printing unit 01 arranged upper printing unit and a lower printing unit can speak.

The following is based on the 15 to 33 first on a arranged in a lower printing unit feeder 09 received. It is assumed in this embodiment that the form cylinder 02 to which the relevant feeder 09 associated with only a single printing form 16 occupied or to occupy and therefore under its lateral surface only a single in the axial direction of this forme cylinder 02 extending channel 27 having. The width B of the printing form 16 thus corresponds almost to the length of the bale of this forme cylinder 02 and the length of the printing form 16 practically corresponds to the circumferential length of this forme cylinder 02 , It is therefore primarily a printing form 16 in large format with a width B of at least 1,500 mm and a length of at least 1,000 mm.

At the beginning of the process of Aufplattens a new printing form 16 on the form cylinder 02 of the example used lower printing unit of the printing unit 01 This is currently involved in any production form cylinder 02 rotated in such a first angular position, in which the opening 28 his channel 27 the feeder 09 is facing ( 23 ). This first angular position is located in the production direction P of the forme cylinder 02 ( 5 ) a bend piece far in front of a contact point A of the leading end 24 the printing form 16 on the lateral surface of this forme cylinder 02 ( 24 ), wherein this elbow a rotation angle of the forme cylinder 02 spanned in the range between 2 ° and 45 °.

In the preferred embodiment, above the inking unit 06 arranged feeding device 09 then becomes a sled 61 a conveyor 62 this feeder 09 from a forme cylinder 02 distant position in a forme cylinder 02 moved near or at least closer position. The preferably above a forme cylinder 02 supplied printing form 16 arranged carriages 61 the conveyor 62 spans in the axial direction of the forme cylinder 02 at least the width B of the printing form 16 and leads between its the form cylinder 02 distant position and its form cylinder 02 closer position preferably a linear movement, wherein a travel path f of the carriage 61 the conveyor 62 shorter than the length of the printing form 16 and Z. B. only between 10% and 30% of the length of the printing plate 16 is. The travel path f of the carriage 61 the conveyor 62 is preferably in the range between 150 mm and 250 mm. The sled 61 the conveyor 62 is at its respective one of the two side walls of the frame 08 the printing unit 01 facing end faces preferably in a to the conveyor 62 belonging linear unit stored, with at least one drive 69 , but preferably two synchronized drives 69 are provided, ie on each end face of the carriage 61 there is a drive 69 , these drives 69 z. B. each formed as a pneumatic cylinder and are remotely operated.

At a distance of 10 mm to 50 mm below the travel f of the carriage 61 the conveyor 62 is the first of several vertically stacked levels 14 ; 17 ; 18 ( 5 ). In this first level 14 is a table-shaped, substantially rectangular edition 63 arranged ( 16 ), on which the forme cylinder 02 supplied printing form 16 is partially deployable. The edition 63 indicates at her the form cylinder 02 facing side in the form cylinder 02 tangential first level 14 one in the axial direction of the forme cylinder 02 extending edge 64 on, on which the the form cylinder 02 supplied printing form 16 with her at the leading end 24 trained folded suspension hooks can be suspended, so that the bent suspension leg of the forme cylinder 02 supplied printing form 16 at this suspension edge 64 with reference to the form cylinder 02 diagonal register content can be applied. This hanging edge 64 can the pad 63 at her the form cylinder 02 limit facing side or the overlay 63 points in a forme cylinder 02 facing region extending in the axial direction of the forme cylinder 02 at least about the width B of the forme cylinder 02 supplied printing form 16 extending slot 66 on, on which the suspension edge 64 is trained. The edition 63 extends parallel to the length of the forme cylinder 02 supplied printing form 16 over a length g of 20% to 50% of the length of this printing form 16 ie the length g of the overlay 63 is in the range between 250 mm and 600 mm, preferably between 400 mm and 450 mm.

The formed as a flexible thin plate, the forme cylinder 02 supplied printing form 16 comes with the at its leading end 24 trained beveled suspension leg on the suspension edge 64 the edition 63 created and the page register correct alignment against a lateral, z. B. at one end of the slot 66 Fixed stop arranged on the front side 67 pushed one of the forme cylinder 02 remote part of this printing form 16 on the pad 63 overhangs. The overhang of the printing form 16 causes along the length of this the form cylinder 02 supplied printing form 16 a curvature directed against gravity. At the leading end 24 formed beveled suspension leg of the forme cylinder 02 supplied printing form 16 nevertheless safe at the hanging edge 64 the edition 63 is at least one with the hanging edge 64 cooperating holding device 68 provided, preferably in the axial direction of the forme cylinder 02 next to each other several, z. B. two at a distance k from each other holding devices 68 provided, with these holding devices 68 each at the hanging edge 64 the edition 63 applied beveled suspension leg of the preferably already page register correctly aligned, the form cylinder 02 supplied printing form 16 arrested and thus held fixed in position. In the case of several juxtaposed holding devices 68 These are preferably together or optionally operated individually.

17 shows in a partial section according to the 15 or 16 with the hanging edge 64 cooperating holding device 68 , This holding device 68 is z. B. as a with a shaft 71 firmly connected clamping piece is formed, wherein the controllable in its rotational movement of the flattening control unit controllable shaft 71 the clamping piece from a slot 66 releasing position ( 17 and 18 ) z. B. by a rotation in the range between 90 ° and 180 ° in a the folded suspension leg of the hanger edge 64 the edition 63 applied printing form 16 holding position pivots ( 19 ). A change between these two positions should be in the 17 through the two of the shaft 71 be indicated arrows assigned. The clamp can z. B. have a finger-shaped element, which z. B. in a positive fit at the suspension edge 64 the edition 63 applied printing form 16 on the pad 63 holds down. The wave 71 is preferably in the edition 63 integrated or below it in the axial direction of the forme cylinder 02 running arranged.

20 and 21 each show in a perspective view of the carriage 61 the conveyor 62 without cover sheets. The sled 61 points along the width B of the forme cylinder 02 supplied printing form 16 preferably several controllable suction pads 72 on, with these suction pads 72 in the axial direction of the forme cylinder 02 are arranged fixed in position. In an advantageous embodiment of the carriage 61 are in association with the middle of the width B of the forme cylinder 02 supplied printing form 16 as well as its two lateral edges in each case preferably double gripper each with two jointly controlled suction grippers 72 arranged ( 21 ). The suction pads 72 are in the form cylinder 02 distant position of the carriage 61 from one of the edition 63 parked rest position by a lowering to one on the support 63 resting, the form cylinder 02 supplied printing form 16 adjustable ( 22 ). The lowering movement of the suction pads 72 is in each case of one in the carriage 61 arranged drive 73 driven, wherein z. For example, each double gripper exactly one drive 73 assigned. A direction of action of the drives 73 is thus essentially perpendicular to that on the edition 63 resting the form cylinder 02 supplied printing form 16 and thus also perpendicular to the travel path f of the carriage 61 directed. The drives 73 are preferably each formed as a pneumatic cylinder.

After the suction pads 72 by an actuation of the drives 73 at the forme cylinder 02 supplied printing form 16 are employed, is a preferably made of an elastomer, on the printing plate 16 attached gripper plate of the respective suction pad 72 evacuated by an actuation of a connected to the interior of the respective gripper plate by means of a pipe vacuum pump. A produced in the interior of the respective gripper plate vacuum is z. B. in the range of -0.7 bar to -1.0 bar, preferably between -0.9 bar and -1.0 bar. One on the relevant suction pad 72 arranged sensor checks whether the desired negative pressure has been set. A generated preferably by the sensor electrical test signal is one of the flow of the Aufplattens controlling. Control unit supplied.

After the desired negative pressure has been set inside the respective gripper plate, the control unit controlling the sequence of the Aufplattens, that with the suspension edge 64 cooperating holding device 68 by turning her shaft 71 from this holding device 68 at the hanging edge 64 the edition 63 held suspension leg of the on this edition 63 resting, the form cylinder 02 supplied printing form 16 releases. This operating state is in the 23 shown. The at least one suction pad 72 has that on the pad 63 resting, the form cylinder 02 supplied printing form 16 taken. The at least one holding device 68 is in his the hanging leg of the on the pad 63 resting printing form 16 rotated releasing position. The in the feeding plane between the pad 63 and the lateral surface of the forme cylinder 02 arranged roller bar 31 along which feed plane one on the forme cylinder 02 to be arranged printing form 16 essentially tangential to the lateral surface of the respective forme cylinder 02 is brought in, is in that operating state in which the protective strip 46 , which at the the edition 63 facing side of the roller bar 31 is arranged, their from the lateral surface of the forme cylinder 02 further position P1 occupies and thus for one on the forme cylinder 02 to be arranged printing form 16 the access to the lateral surface of this forme cylinder 02 opens. Likewise, the at least one pressing element is located 32 the roller bar 31 still in his from the lateral surface of the forme cylinder 02 parked state, ie in its the lateral surface of this forme cylinder 02 further position.

Next, the conveyor promotes 62 by a method of her sled 61 along the travel f up to a forme cylinder 02 close position on the forme cylinder 02 to be arranged printing form 16 to this form cylinder 02 , wherein the at least one suction pad 72 the one at the leading end 24 trained bevelled, at the suspension edge 64 the edition 63 applied suspension leg of this printing form 16 possibly from the on the edition 63 trained slot 66 lifts out and this suspension leg at the contact point A on the lateral surface of this forme cylinder 02 hires. To when lifting the forme cylinder 02 supplied printing form 16 damage to the same z. B. by scratching on elements of the carriage 61 to avoid is at the supplied printing forme 16 facing side of the carriage 61 ie at the bottom of this slide 61 , at least one spacer 74 intended ( 18 or 19 ), wherein preferably in the axial direction of the forme cylinder 02 spaced several spacers 74 are provided, these spacers 74 in particular are aligned with each other and each spacer 74 z. B. is formed as a role, wherein the roller preferably has a plurality of races on its lateral surface. As the level 14 in which the at least one suction gripper 72 the form cylinder 02 supplied printing form 16 holds, tangential to the lateral surface of this forme cylinder 02 runs, becomes the leading end 24 this printing form 16 at the contact point A on the lateral surface of this forme cylinder 02 a measure of the lateral surface of this forme cylinder corresponding to a height h of the bent-over suspension element 02 bent away, leaving the leading end 24 this printing form 16 under an elastic bending stress on the lateral surface of this forme cylinder 02 is held.

Meanwhile, this is also at least one pressing element 32 the roller bar 31 triggered by a control signal of the control unit on the lateral surface of the forme cylinder 02 been hired. The form cylinder 02 is now rotated in its direction of production P until the at the leading end 24 trained beveled, on the lateral surface of this forme cylinder 02 erected suspension legs in the opening 28 the to this form cylinder 02 belonging channel 27 hooked, wherein the hooking caused by the bending caused by the bending elastic stress at the leading end 24 this printing form 16 is supported. The rotation of the forme cylinder 02 in its production direction P is continued. As the rotation progresses, the printing form becomes 16 by the at least one pressing element 32 the roller bar 31 on the lateral surface of the forme cylinder 02 rolled on. The at least one suction pad 72 holds the printing form he has taken 16 until firm, until this printing form 16 from the at least one pressing element 32 the roller bar 31 against the lateral surface of the forme cylinder 02 pressed and thereby kept safe. Due to the fact that the at least one suction gripper 72 the printing form 16 provisionally still holds on this printing form 16 exerted a retention force, which causes this printing form 16 on the lateral surface of the forme cylinder 02 is pulled tight. Only after the at least one pressing element 32 the roller bar 31 the printing form 16 against the lateral surface of the forme cylinder 02 presses, the inside of the gripper plate of the respective suction pad 72 produced negative pressure, causing the suction pads 72 from the printing form 16 solves. After that, this suction pad 72 by a lifting movement back into his from the pad 63 parked rest position reset. Also, the sled can 61 the conveyor 62 from his the form cylinder 02 close position back to his form cylinder 02 In particular, the suction pads are moved to a distant position 72 during a production of the printing unit 01 z. B. in front of a forme cylinder 02 in conjunction with the inking unit 06 to protect caused color spray.

25 shows a sectional view of the feed device 09 belonging, already in the 16 Perspective illustrated edition 63 , The edition 63 is dimensioned shorter than the extending in their direction of production P length of the form cylinder 02 supplied printing form 16 , In the first level 14 is the at least one holding device 68 in its one hanging leg at the leading end 24 a printing form 16 holding, in particular clamping operating position shown. At a distance b below the first level 14 the edition 63 on which a new the forme cylinder 02 supplied printing form 16 is attachable, is another lower level 18 this feeder 09 arranged, being in this other level 18 at least one of the forme cylinder 02 discharged printing form 16 is receivable. This lower level 18 for receiving at least one of the forme cylinder 02 discharged printing form 16 also has an edition 76 although this edition 76 shorter than that of the first level 14 assigned edition 63 , The the lower level 18 defining edition 76 is at her the form cylinder 02 facing end to form an opening mouth 77 preferably angled, with one on the lower level 18 referred bending angle α is in the range between 10 ° and 45 °, preferably between 15 ° and 30 °. The terms 63 ; 76 the feeder 09 are arranged in the preferred embodiment at least partially parallel to each other.

26 shows the upper edition 63 on which a new the forme cylinder 02 supplied printing form 16 can be placed, and the lower edition 76 on which one of the forme cylinder 02 discharged printing form 16 can be placed in theirs in a pressure unit 01 built-in condition. Both over a section mutually parallel runs 63 ; 76 are z. B. inclined relative to a horizontal, with an inclination angle z. B. is in a range between 15 ° and 60 ° and preferably between 30 ° and 45 °. A method for flattening a used printing plate 16 from the form cylinder 02 begins with that of the forme cylinder 02 is rotated in an angular position, in which the at least one on the lateral surface of this forme cylinder 02 preferably slit-shaped opening 28 of the canal 27 this form cylinder 02 between the two editions 63 ; 76 trained mouth opening 77 is facing. A preferably remotely operable in the channel 27 of the forme cylinder 02 arranged holding device gives the suspension leg held by it at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 free, so that this suspension leg out of the opening 28 of the canal 27 this form cylinder 02 triggers and by the elasticity of the flexible, around the bale of the forme cylinder 02 winding plate-shaped printing form 16 in between the two editions 63 ; 76 trained mouth opening 77 jumps or springs. One to the trailing end 23 the from the form cylinder 02 to be removed printing form 16 directed, in or at the opening mouth 77 arranged sensor 78 preferably checks contactless, if the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 after an operation in the channel 27 of the forme cylinder 02 arranged holding device actually out of the channel 27 has solved. In the case of a positive check result, the control unit controlling the flattening operation enables the continuation of this flattening operation.

After the presence of the release signal, the forme cylinder rotates 02 contrary to its direction of production P almost to a complete revolution, z. B. by 300 ° to about 355 °, so that of the lateral surface of this forme cylinder 02 to be removed printing form 16 with her from the form cylinder 02 solved trailing end 23 progressing along the lower run 76 on which the from the forme cylinder 02 discharged printing form 16 can be placed, increasingly from this form cylinder 02 is dissipated. During this flattening process, this is at least one pressing element 32 the roller bar 31 against the lateral surface of the forme cylinder 02 employed, whereby the printing form 16 on the lateral surface of the forme cylinder 02 is held while still a part of this printing form 16 on the lateral surface of the forme cylinder 02 located. At the end of the printing form 16 flattening rotation takes the form cylinder 02 with the at least one preferably slot-shaped opening on its lateral surface 28 a second angular position, in which this is still in the channel 27 held, seen in the direction of production P leading end 24 the from the form cylinder 02 to be removed printing form 16 a curve piece far in the direction of production P of the forme cylinder 02 after a pressure point D of the at least one pressing element 32 the roller bar 31 against the lateral surface of this forme cylinder 02 located ( 24 ), wherein this elbow a rotation angle of the forme cylinder 02 z. B. spans in the range between 2 ° and 30 °, preferably between 5 ° and 15 °.

At the latest at the time at which the forme cylinder 02 its second angular position, which is in the direction of production P after the pressure point D of the at least one pressing element 32 the roller bar 31 is occupied by the control unit in conjunction with the lower edition 76 on which the from the forme cylinder 02 discharged printing form 16 can be placed, effective braking device or holding device activated, said braking device or holding device one of a controllable drive 79 movable stamp 81 and a preferably fixed abutment 82 has, against which abutment 82 The Stamp 81 by an actuation of the drive 79 is adjustable ( 25 or 26 ). This drive 79 is z. B. realized by a pneumatic cylinder. The Stamp 81 has one of the printing form to be removed 16 facing preferably flat surface 83 z. B. of an elastomeric material, with which surface 83 that of the forme cylinder 02 to be removed printing form 16 between this surface 83 and the abutment 82 is clamped when the drive 79 the stamp 81 in the direction of the abutment 82 has moved. This clamping can be done by means of a drive 79 applied stamping force be set to different degrees and from a sliding movement of the abolished printing forme 16 aggravating, increased coefficient of friction up to a complete blockage of a movement of the ablated printing form 16 pass. In the former case, it affects the drive 79 , the stamp 81 and the abutment 82 having arrangement as a sliding movement of the discharged printing form 16 aggravating braking device, in the latter case as a the printing plate 16 fixing holding device. The effective direction of the drive 79 applied stamping force is in the 25 through one on the abutment 82 directed arrow indicated. The abutment 82 is z. B. as at least one parallel to the direction of movement of the dissipated printing form 16 directed, z. B. formed from a plastic skid, this skid at a vertical distance j to the lower edition 76 on which the from the forme cylinder 02 discharged printing form 16 can be placed, is arranged, said distance j z. B. is in the range between 5 mm and 20 mm. The by the rotation of the forme cylinder 02 along the lower run 76 moved, from the form cylinder 02 to be removed printing form 16 is at the latest at that time temporarily inhibited in their movement or clamped when the hanging leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 holding channel 27 in continuation of the rotational movement of the forme cylinder 02 from the second angular position of the forme cylinder 02 contrary to its production direction P to the pressure point D of the at least one pressing element 32 the roller bar 31 emotional. The braking device or holding device is therefore activated so that the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 from the channel 27 solves and this suspension leg in the further continuation of the rotational movement of the forme cylinder 02 out of the opening 28 this channel 27 is pushed out. After the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 from the channel 27 is released, which is controlled by the control unit braking device or holding device by lowering the punch 81 towards the lower edition 76 or by completely sinking this stamp 81 in the lower edition 76 disabled, reducing the lower level 18 the feeder 09 is released again, so that also at the leading end 24 the from the form cylinder 02 to be removed printing form 16 folded suspension leg the lower support 76 in one of the form cylinder 02 Removing direction of movement can happen unhindered.

27 shows in a simplified sectional view those in the printing unit 01 essentially above the inking unit 06 a lower printing unit arranged feeder 09 , The with this feeder 09 co-operating roller bar 31 is also shown, in the operating condition of the forme cylinder 02 employed Andrückelementes 32 , where the protective strip 46 their from the form cylinder 02 takes a more distant position. The in this feeder 09 upper edition 63 , on which the forme cylinder 02 supplied printing form 16 partially attachable, as well as the lower edition 76 this feeder 09 on which the from the forme cylinder 02 discharged printing form 16 can be placed, are each in an inclined relative to the horizontal orientation substantially tangential to the respective form cylinder 02 employed or at least adjustable, wherein the relative to the horizontal angle of inclination z. B. is about 30 ° and starting from a forme cylinder 02 facing point to the operating side of the printing unit 01 is inclined downwards. Spaced apart and in both a vertical and horizontal offset below the feeder 09 is one of these feeder 09 associated extracting device 84 arranged in the 27 only partially shown. 28 shows this pullout device 84 completely in a side view. 29 shows the same extracting device 84 in a perspective view. The pullout device 84 is by means of a holder 86 preferably with the frame 08 the printing unit 01 connected or at least connectable.

The pullout device 84 has a means of a preferably pneumatically driven linear unit 88 vertically in the direction of the feeder 09 along a travel z extendable arm 87 on ( 28 ), which in the in the 27 indicated operating situation extended and thus the feeder 09 is stretched, whereby the horizontal offset between the feeder 09 and the extraction device 84 has been reduced and assumes its minimum vmin. This minimum vmin is z. B. in the range between 200 mm and 500 mm.

30 shows one at the top of the arm 87 the extracting device 84 trained catching device 89 which is for a trailing end 23 one from the form cylinder 02 discharged printing form 16 a first guide element 91 and a second guide element 92 having, wherein both guide elements 91 ; 92 are arranged substantially funnel-shaped to each other, in such a way that the trailing end 23 the from the form cylinder 02 discharged printing form 16 in the of the two guiding elements 91 ; 92 trained funnel introduced and thus the catcher 89 is supplied. Both guide elements 91 ; 92 are each z. B. realized by bending parts made of sheet metal or by molded plastic parts. The first guide element 91 is z. B. rigid with the arm 87 the extracting device 84 connected, whereas a lower end of the second guide element 92 around a horizontally arranged, parallel to the axial direction of the forme cylinder 02 directed axis 93 is pivotally mounted. By this pivoting movement is an opening angle of the two guide elements 91 ; 92 formed funnel reduced or enlarged, depending on whether the second guide element 92 closer to the arm 87 the extracting device 84 employed or turned off by this. The pivoting movement of the second guide element 92 is preferably carried out by means of a remote-controlled drive. The second guide element 92 has z. B. in its central portion an angularly shaped part, which has a hook 94 forms, with which the second guide element 92 the trailing end 23 the printing form 16 that from the forme cylinder 02 dissipated and in by the two guiding elements 91 ; 92 trained funnel has been introduced, then substantially positively engages behind, when this second guide element 92 to the arm 87 the extracting device 84 is employed ( 31 ). In this operating state, this locks on the arm 87 the extracting device 84 Employed second guide element 92 the trailing end 23 the from the form cylinder 02 discharged printing form 16 in the catcher 89 ,

After the trailing end 23 the from the form cylinder 02 discharged printing form 16 in the catcher 89 has been locked, is that of the feeder 09 opposite, extended over the travel z extended arm 87 the extracting device 84 preferably controlled by the flattening control unit controlled retracted again, whereby the horizontal offset between the feeder 09 and the extraction device 84 is increased and assumes its maximum dimension vmax ( 32 ). This maximum dimension vmax is z. B. in the range between 400 mm and 1,000 mm.

The 32 and 33 each show that operating situation in which the from the forme cylinder 02 discharged printing form 16 with its trailing end 23 from the catcher 89 grabbed by the form cylinder 02 away and largely, ie more than 50%, preferably more than 70%, from the feeder 09 has been pulled out, with the leading end 24 the from the form cylinder 02 discharged printing form 16 still on or on the lower edition 76 the feeder 09 located. The feeder 09 indicates one of the forme cylinder 02 to be removed printing form 16 a conveying length y on ( 32 ), wherein the conveying length y at an intersection of the feed to the device 09 belonging level 18 in which the of the forme cylinder 02 discharged printing form 16 is receivable, with the circumferential line of the forme cylinder 02 starts and extends at least the length of this level 18 extends. A sum consisting of the conveying length y of the feeder 09 and the maximum dimension vmax of the horizontal offset between the feeder 09 and the extraction device 84 is sized larger than the length of the forme cylinder 02 to be removed printing form 16 , whereas a sum consisting of the conveying length y of the feeder 09 and the minimum amount vmin of the horizontal offset between the feeder 09 and the extraction device 84 is preferably sized smaller than the length of the forme cylinder 02 to be removed printing form 16 , The pullout device 84 , in particular their catching device 89 , Has parallel to the width B of the forme cylinder 02 to be removed printing form 16 a width x, which is preferably much smaller than the width B of the printing form 16 and Z. B. only 20% to 50%, in particular about 25% of the width B of the printing plate 16 is.

The perspective view of 33 is removable, that the edition 63 the feeder 09 , on which the forme cylinder 02 supplied printing form 16 is partially deployable, at its the operating side of the printing unit 01 facing side at least one recess 96 but preferably several, e.g. B. two spaced-apart recesses 96 has, through which the from the forme cylinder 02 discharged printing form 16 at the trailing end 23 from the catcher 89 completely taken from the forme cylinder 02 was removed, at her still on or on the lower run 76 the feeder 09 located leading end 24 taken and then preferably laterally from both the feeder 09 as well as from the pullout facility 84 can be removed. This completes the flattening process.

The following is based on the 34 to 47 closer to the arranged in an upper printing unit feeder 09 ( 14 ; 32 ), again as an example and without limitation a printing unit 01 according to the 4 and 14 is taken as a basis. At the upper printing unit, the flattening process and the flattening process are analogous as in the case of the 15 to 33 explained lower printing unit. However, there are also differences resulting from the fact that the force of gravity counteracts the flattening and flattening process to be carried out on the upper printing unit following description will be discussed in more detail. For the same components and assemblies, the same reference numerals are used as previously in the description of the lower printing unit.

Also in an upper printing unit preferably below an inking unit 06 arranged feeder 09 has a sled 61 a conveyor 62 on that in this feeder 09 from a forme cylinder 02 distant position in a forme cylinder 02 closer position is movable. The upper printing unit preferably below a forme cylinder 02 supplied printing form 16 arranged carriages 61 the conveyor 62 spans in the axial direction of the forme cylinder 02 at least the width B of the printing form 16 and leads between its the form cylinder 02 distant position and its form cylinder 02 closer position preferably a linear movement, wherein the travel path f of the carriage 61 the conveyor 62 shorter than the length of the printing form 16 and Z. B. only between 10% and 30% of the length of the printing plate 16 is. The travel path f of the carriage 61 the conveyor 62 is preferably in the range between 150 mm and 250 mm. The sled 61 the conveyor 62 is at its respective one of the two side walls of the frame 08 the printing unit 01 facing end faces preferably in a to the conveyor 62 belonging linear unit stored, with at least one drive 69 , but preferably two synchronized drives 69 are provided, ie on each end face of the carriage 61 there is a drive 69 , these drives 69 z. B. each formed as a pneumatic cylinder and are remotely operated. For more details on the 15 and 20 to 23 directed.

34 shows in a perspective view as an assembly to be arranged in the upper printing unit conveyor 62 with her sled 61 and preferably a plurality of suction pads arranged thereon 72 , where these suction pads 72 in the axial direction of the forme cylinder 02 are arranged fixed in position. 35 shows in an enlarged detail part of this assembly in their in the printing unit 01 arranged state, wherein the at least one suction pads 72 on the sledge 61 the conveyor 62 against the forme cylinder 02 to be supplied, in a first level 14 the feeder 09 arranged printing form 16 is employed. Again 36 Removable, was the forme cylinder 02 supplied printing form 16 in their arrangement in the first level 14 the feeder 09 preferably at two spaced apart, orthogonal in this first plane 14 protruding surfaces of attacks 97 aligned diagonally, these areas of attacks 97 at the forme cylinder 02 facing side one in the first level 14 the feeder 09 arranged edition 63 placed and in the axial direction of the forme cylinder 02 are arranged in a same flight. The leading end 24 the form cylinder 02 supplied printing form 16 is preferably only with its two corners in the range of a few millimeters, z. B. 1 mm to 5 mm, against these attacks 97 employed, the attacks 97 each of a controllable drive 99 , z. B. a pneumatic cylinder driven from the feed plane of the forme cylinder 02 supplied printing form 16 at least temporarily removable, which is in the 36 is indicated by an arrow representing this movement. To the the form cylinder 02 supplied printing form 16 align at least one page stop 98 intended ( 36 ), against which in the first level 14 the feeder 09 arranged, the form cylinder 02 supplied printing form 16 is hired.

After the at least one suction pad 72 with respect to the forme cylinder 02 in the diagonal register and in the page register properly aligned, the form cylinder 02 supplied printing form 16 has taken the conveyor 62 by a method of her sled 61 this printing form 16 in the direction of the lateral surface of the forme cylinder 02 ( 37 ). In his form cylinder 02 next position, ie an end position for the of the linear unit along the z. B. 200 mm long travel f moving carriage 61 , is the leading end 24 the form cylinder 02 supplied printing form 16 at a small distance c in front of the pressure element 32 or preferably in front of the protective strip 46 the with the feeder 09 cooperating roller bar 31 , wherein this distance c is in the range of a few millimeters, z. B. between 2 mm and 20 mm. The at least one on the sled 61 arranged suction pads 72 holds the leading end 24 the form cylinder 02 supplied printing form 16 at a distance d from the lateral surface of the forme cylinder 02 removed, this distance d z. B. is in the range of 10 mm and 30 mm. The at least one on the sled 61 arranged suction pads 72 now executes a second stroke and sets the leading end 24 the form cylinder 02 supplied printing form 16 against the lateral surface of this forme cylinder 02 at ( 38 ). It is the one of the at least one suction pad 72 executed stroke is preferably greater than the previous distance d, the leading end 24 the form cylinder 02 supplied printing form 16 from the lateral surface of the forme cylinder 02 occupied before the execution of this stroke, so that the bent suspension leg, the lateral surface of this forme cylinder 02 touched with an impressed bending stress. The printing form 16 is from the at least one suction pad 72 in one to the form cylinder 02 directed vaulting and thus at least s.den their leading end 24 bent. At this time, the forme cylinder takes 02 an angular position in which the channel 28 this form cylinder 02 opening opening 27 in the production direction P of this forme cylinder 02 a short elbow far in front of the contact point A of the folded Einhängewingels at the leading end 24 the form cylinder 02 supplied printing form 16 on the lateral surface of this forme cylinder 02 is, wherein this elbow a rotation angle of the forme cylinder 02 z. B. spans in the range between 2 ° and 30 °, preferably between 5 ° and 15 °.

As in 39 shown rotates in continuation of the Aufplattvorgangs the form cylinder 02 in his direction of production P further, whereby the bent under bending stress suspension leg at the leading end 24 the form cylinder 02 supplied printing form 16 in the the channel 28 this form cylinder 02 opening opening 27 hooks. The pressing element 32 the with the feeder 09 cooperating roller bar 31 is against the lateral surface of this forme cylinder 02 hired. Unless with the roller bar 31 a protective strip 46 connected, takes the protective strip 46 their from the lateral surface of this forme cylinder 02 further position. In the course of the rotation of the forme cylinder 02 rolls the pressure element 32 the roller bar 31 the form cylinder 02 supplied printing form 16 completely on the lateral surface of this forme cylinder 02 on, until also the suspension leg at the trailing end 23 this printing form 16 in the opening 27 z. B. the same channel 28 is introduced. The flattening process is over. Once the pressure element 32 the roller bar 31 with its pressure point D on the forme cylinder 02 supplied printing form 16 gets up, the at least one suction pad 72 from this printing form 16 switched off. The sled 61 the conveyor 62 becomes after releasing the printing form 16 preferably again in his from the form cylinder 02 driven far away.

In contrast to the flattening process in the lower printing unit, the conveying device is formed in the upper printing unit during the stripping process 62 with her linear unit and her sled 61 put to use. At the beginning of the flattening process in the upper printing unit, the carriage 61 the conveyor 62 in his form cylinder 02 driven near position ( 40 ). There will be at least one on the slide 61 the conveyor 62 arranged roll 101 after the actuation of a controllable adjusting device z. B. by a lifting movement in the direction of the forme cylinder 02 extended, this role 101 is adjustable by a control of their adjusting device to several different levels of strokes and where this role 101 at its first, in particular maximum stroke, ie in its stroke end position, at a distance i from the lateral surface of this forme cylinder 02 located, this distance i z. B. is in the range between 10 mm and 50 mm. Preferably, on the carriage 61 the conveyor 62 in the axial direction of the forme cylinder 02 several spaced apart z. B. arranged in a same flight roles 101 provided that together or optionally individually z. B. by a lifting movement in each case in the direction of the forme cylinder 02 are extendable. The adjusting device of the rollers 101 is preferably in conjunction with the suction pads 72 moving drives 73 realized.

The one in the upper printing unit of the printing unit 01 arranged form cylinder 02 is rotated in such a first angular position, in which the opening 28 his channel 27 the feeder 09 is facing ( 40 ). This first angular position is located in the production direction P of the forme cylinder 02 a curved piece far in front of the pressure point D of the against the lateral surface of this forme cylinder 02 employed pressing element 32 the roller bar 31 , wherein this elbow one on the axis of rotation M of the forme cylinder 02 spanned rotational angle β in the range between 5 ° and 45 ° spans. A preferably remotely operable in the channel 27 of the forme cylinder 02 arranged holding device gives the suspension leg held by it at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 free, so that this suspension leg out of the opening 28 of the canal 27 this form cylinder 02 triggers and by the elasticity of the flexible, around the bale of the forme cylinder 02 winding plate-shaped printing form 16 jumps and against the at least one on the sled 61 the conveyor 62 arranged, preferably in its stroke fully extended role 101 springs. One to the trailing end 23 the from the form cylinder 02 to be removed printing form 16 directed, z. B. laterally on this role 101 arranged sensor 78 preferably checks contactless, if the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 after an operation in the channel 27 of the forme cylinder 02 arranged holding device actually out of the channel 27 has solved. In the case of a positive check result, the control unit controlling the flattening operation enables the continuation of this flattening operation.

After the presence of the release signal, the forme cylinder rotates 02 contrary to its direction of production P almost to a complete revolution, z. B. by 300 ° to about 355 °, so that of the lateral surface of this forme cylinder 02 to be removed printing form 16 with her from the form cylinder 02 solved trailing end 23 proceed first against a guide element 102 and then along the same led increasingly from this form cylinder 02 is discharged, this guide element 102 preferably with the feeder 09 connected is ( 42 ). The guide element 102 is in particular with that edition 76 the feeder. 09 on which the from the forme cylinder 02 discharged printing form 16 is attachable, connected. During this flattening process, that of the forme cylinder 02 to be removed printing form 16 from the extended in their stroke role 101 supported, wherein the adjusting device of this role 101 whose stroke has reduced to a partial stroke at this time. This partial stroke is at least still so great that at the pressure point D of the against the lateral surface of this forme cylinder 02 employed pressing element 32 the roller bar 31 applied tangent G from the roll 101 is at least partially surpassed ( 41 ). The partial stroke is z. B. in the range between 10% and 50% of the total stroke, ie in the range between 5 mm and 50 mm, preferably between 15 mm and 25 mm below the lowered to their lowered or retracted rest position related first stroke of the role 101 , where the role 101 at its first stroke the distance i from the lateral surface of the forme cylinder 02 having ( 40 ). The support of the printing form 16 in the aforementioned Teilhub the role 101 causes a gravity directed against the curvature of this form cylinder 02 to be removed printing form 16 along its length. During this flattening process, this is at least one pressing element 32 the roller bar 31 against the lateral surface of the forme cylinder 02 employed, whereby the printing form 16 on the lateral surface of the forme cylinder 02 is held while still a part of this printing form 16 on the lateral surface of the forme cylinder 02 located. At the end of the printing form 16 flattening rotation takes the form cylinder 02 with the at least one preferably slot-shaped opening on its lateral surface 28 a second angular position, in which this is still in the channel 27 held, seen in the direction of production P leading end 24 the from the form cylinder 02 to be removed printing form 16 a curve piece far in the direction of production P of the forme cylinder 02 after a pressure point D of the at least one pressing element 32 the roller bar 31 against the lateral surface of this forme cylinder 02 is, wherein this elbow a rotation angle of the forme cylinder 02 z. B. spans in the range between 2 ° and 30 °, preferably between 5 ° and 15 °.

Analogous to the conditions in the lower printing unit is also in the upper printing unit, preferably with the frame 08 the printing unit 01 connected pull-out device 84 provided, which in this case a catching device 89 which is for a trailing end 23 one from the form cylinder 02 discharged printing form 16 also a first guide element 91 and a second guide element 92 having, wherein both guide elements 91 ; 92 are again arranged substantially funnel-shaped to each other, in such a way that the trailing end 23 the from the form cylinder 02 discharged printing form 16 in the of the two guiding elements 91 ; 92 trained funnel introduced and thus the catcher 89 is fed ( 43 ). For more details of the arranged in the upper printing unit extraction device 84 will be on the 30 and 31 referred to, which are to be applied mutatis mutandis. 44 shows a perspective view of the arranged in the upper printing unit extraction device 84 ,

As already described, that of the forme cylinder 02 to be removed printing form 16 arched dissipated. The by the rotation of the forme cylinder 02 in the direction of the pullout device 84 conveyed, from the form cylinder 02 to be removed printing form 16 is at the latest at that time temporarily inhibited in their movement or clamped when the hanging leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 holding channel 27 in continuation of the rotational movement of the forme cylinder 02 from the second angular position of the forme cylinder 02 contrary to its production direction P to the pressure point D of the at least one pressing element 32 the roller bar 31 emotional. The here acting braking device or holding device has one of a controllable drive 79 movable stamp 81 and a preferably fixed abutment 82 on, against which abutment 82 The Stamp 81 by an actuation of the drive 79 is adjustable ( 34 ; 42 ). In the preferred embodiment, the stamp 81 the braking device or holding device and its drive 79 firmly on the sledge 61 the conveyor 62 arranged. The braking device or holding device is therefore activated by the control unit so that the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 from the channel 27 solves and this suspension leg in the further continuation of the rotational movement of the forme cylinder 02 out of the opening 28 this channel 27 is pushed out ( 45 ). At this time, the at least one pressing element 32 the roller bar 31 from the control unit of the lateral surface of the forme cylinder 02 switched off. After the suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 from the channel 27 is released, which is controlled by the control unit braking device or holding device by lowering the punch 81 deactivated again, so that the one at the leading end 24 the from the form cylinder 02 to be removed printing form 16 folded suspension hooks in a form cylinder 02 removing movement direction unhindered by the feeder 09 can be passed through.

46 shows a section of an upper printing unit in a printing unit 01 , where at the Operating side of this printing unit 01 with the arranged in this printing unit feeder 09 cooperating pull-out device 84 by means of a holder 86 on the frame 08 this printing unit 01 is arranged. The pullout device 84 has a substantially vertically oriented arm 87 on which the catcher 89 is arranged movable. In her at the bottom of the arm 87 assumed operating position takes the catcher 89 the folded suspension leg at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 z. B. by a positive connection ( 43 ). The also with her suspension leg at the leading end 24 from the form cylinder 02 solved ( 45 ), from this form cylinder 02 to be removed printing form 16 is controlled by the flattening control unit by one of the catcher 89 executed travel, z. B. a lifting movement, z. B. completely from the arranged in the upper printing unit feeder 09 pulled out. At least after catching 89 their operating position at the top of the arm 87 has reached, depends on the forme cylinder 02 to be removed printing form 16 with her at the leading end 24 folded support legs down vertically and preferably free hanging on the operating side of this printing unit 01 and can now from this printing unit 01 z. B. by a lateral removal from the catcher 89 be removed.

47 shows again in a perspective view in conjunction with the 46 explained operating situation. The catcher 89 is in its operating position at the upper end of the arm 87 positioned. The pullout device 84 , in particular their catching device 89 , Has parallel to the width B of the forme cylinder 02 to be removed printing form 16 a width x, which is preferably much smaller than the width B of the printing form 16 and Z. B. only 20% to 50%, in particular about 25% of the width B of the printing plate 16 is.

As described above, at least in the upper printing unit is a device for discharging an at least at its trailing in the direction of production P end 23 a bevelled suspension leg having printing forme 16 from one in a rack 08 a printing unit 01 arranged form cylinder 02 arranged, this device is a carriage 61 along a travel path f between its the forme cylinder 02 distant position and its form cylinder 02 near moving conveyor 62 having, on the carriage 61 in the axial direction of the forme cylinder 02 several roles 101 are arranged, the rollers 101 a perpendicular to the travel path f of the carriage 61 directed, driven by a controllable actuating device movement are arranged, wherein with the carriage 61 the conveyor 62 at least one stamp 81 a braking device or a holding device and a punch 81 controlling drive 79 are firmly connected, this at least one stamp 81 in one of the forme cylinder 02 to be discharged, partly still on the forme cylinder 02 held printing form 16 a punch force exerting operating position can be brought.

In an advantageous embodiment of this device is the carriage 61 at its respective one of the two side walls of the frame 08 the printing unit 01 facing end faces stored in the linear unit. The travel path f of the carriage 61 is inclined to a horizontal, with an inclination angle in a range between 15 ° and 60 °. The roles 101 are in the axial direction of the forme cylinder 02 fixed in position and / or arranged in the same flight. The one of the at least one stamp 81 on the of the form cylinder 02 to be removed printing form 16 applied punch force is controlled by a drive 79 adjustable to different values. It is particularly advantageous that the rollers 101 are set from their controllable adjusting device starting from a rest position in a first operating position to a first stroke and that the rollers 101 are set by their controllable adjusting device in a second operating position to a partial stroke, wherein the partial stroke is 10% to 50% less than the first stroke. At their first hub are the rollers 101 at a distance i from the lateral surface of the forme cylinder 02 , wherein this distance i is in the range between 10 mm and 50 mm. In their second operating position are the roles 101 the from the form cylinder 02 to be removed printing form 16 Arranged along its length arching. Furthermore, at or next to at least one of the roles 101 a sensor 78 be arranged, this at least one sensor 78 Check if the suspension leg is at the trailing end 23 the from the form cylinder 02 to be removed printing form 16 from a channel 27 this form cylinder 02 has solved.

In this embodiment of the device for removing a printing form 16 from one in a rack 08 a printing unit 01 arranged form cylinder 02 All drives, actuators and sensors required for the flattening process are alone on the slide 61 the conveyor 62 arranged. This leads to a compact, simplified construction of this device and makes them in the harsh environment of a printing unit of a printing unit 01 less susceptible to interference. For the Aufplattvorgang and Abplattvorgang preferably the same conveyor 62 and the same sled 61 used, although different components of this carriage 61 ,

LIST OF REFERENCE NUMBERS

01

printing unit

02

Form cylinder; Printing cylinders

03

Transfer cylinder; Printing cylinders

04

substrate

05

06

inking

07

dampening

08

frame

09

feeding

10

11

deflecting

12

deflecting

13

foundation

14

level

15

16

printing form

17

level

18

level

19

20

21

Conveyor

22

pusher

23

Trailing end of a printing form

24

leading end of a printing form

25

26

Conveyor

27

channel

28

opening

29

30

31

roller strip

32

pressing element

33

actuating means

34

guide element

35

36

pressing element

37

actuating means

38

hanger

39

rubber ring

40

41

pole

42

guide element

43

axis

44

casing

45

46

Flap; Finger guard

47

guide element

48

actuating means

49

piston rod

50

51

connecting element

52

retaining element

53

attack

54

connecting element

55

56

opening

57

flap

58

opening

59

60

61

carriage

62

Conveyor

63

edition

64

suspension edge

65

66

slot

67

fixed stop

68

holder

69

drive

70

71

wave

72

Suction pads

73

drive

74

spacer

75

76

edition

77

opening mouth

78

sensor

79

drive

80

81

stamp

82

abutment

83

surface

84

extraction device

85

86

holder

87

poor

88

linear unit

89

catcher

90

91

guide element

92

guide element

93

axis

94

hook

95

96

recess

97

attack

98

side stop

99

drive

100

101

role

102

guide element

A

contact point

B

width

D

pressure point

E1

level

E2

level

G

tangent

M

axis of rotation

P

production direction

P1

position

P2

position

T

transport direction

a

distance

b

distance

c

distance

d

distance

e

distance

f

traverse

G

length

H

Height distance distance

k

distance

p

gap width

q

gap width

s

Travel Range

vmin

minimum

vmax

Maximum dimension

w

clear width

x

width

y

conveying length

z

Travel Range

α

bending angle

β

angle of rotation

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 2110247 A2 [0002]
• EP 2014467 A2 [0003]
• EP 1644193 A2 [0004]
• DE 19620997 A1 [0005]
• DE 4440239 C2 [0006]
• WO 93/04863 A1 [0007]

Claims (10)

Device for removing a printing form ( 16 ) of one in a rack ( 08 ) of a printing unit ( 01 ) arranged form cylinder ( 02 ), with a carriage ( 61 ) along a travel path (f) between its the form cylinder ( 02 ) remote position and its forme cylinder ( 02 ) near-position moving conveyor ( 62 ), whereby on the carriage ( 61 ) in the axial direction of the forme cylinder ( 02 ) several roles ( 101 ), wherein the rollers ( 101 ) a perpendicular to the travel path (f) of the carriage ( 61 ) directed, driven by a controllable actuating device movement are arranged, characterized in that with the carriage ( 61 ) of the conveyor ( 62 ) at least one stamp ( 81 ) a braking device or a holding device and a stamp ( 81 ) controlling drive ( 79 ), wherein said at least one stamp ( 81 ) in one of the forme cylinder ( 02 ), partly still on the forme cylinder ( 02 ) held printing form ( 16 ) a punch force exerting operating position can be brought. Device according to claim 1, characterized in that the carriage ( 61 ) at its respective one of the two side walls of the frame ( 08 ) of the printing unit ( 01 ) facing end faces is mounted in a linear unit. Apparatus according to claim 1, characterized in that the travel path (f) of the carriage ( 61 ) is inclined with respect to a horizontal, wherein an inclination angle is in a range between 15 ° and 60 °. Device according to claim 1, characterized in that the rollers ( 101 ) in the axial direction of the forme cylinder ( 02 ) are fixed in position and / or arranged in a same flight. Apparatus according to claim 1, characterized in that the of the at least one stamp ( 81 ) on the form cylinder ( 02 ) to be discharged printing form ( 16 ) applied punch force by a control of the drive ( 79 ) is adjustable to different values. Device according to claim 1, characterized in that the rollers ( 101 ) are set from their controllable adjusting device starting from a rest position in a first operating position to a first stroke. Device according to claim 1, characterized in that the rollers ( 101 ) are adjusted by their controllable adjusting device in a second operating position to a partial stroke, wherein the partial stroke is 10% to 50% less than the first stroke. Device according to claim 6, characterized in that the rollers ( 101 ) at its first stroke at a distance (i) from the lateral surface of the forme cylinder ( 02 ), this distance (i) being in the range between 10 mm and 50 mm. Device according to claim 7, characterized in that the rollers ( 101 ) in its second operating position that of the forme cylinder ( 02 ) to be discharged printing form ( 16 ) are arranged arching along their length. Apparatus according to claim 1, characterized in that on or next to at least one of the rollers ( 101 ) a sensor ( 78 ), wherein this at least one sensor ( 78 ) checks whether a suspension leg at a trailing end ( 23 ) of the forme cylinder ( 02 ) to be discharged printing form ( 16 ) from a channel ( 27 ) of this forme cylinder ( 02 ) has solved.

Images