EP2644381B1 - Procédé de liaison par complémentarité de forme d'un bloc d'impression souple avec un élément de repérage et/ou de séparation d'une telle liaison - Google Patents

Procédé de liaison par complémentarité de forme d'un bloc d'impression souple avec un élément de repérage et/ou de séparation d'une telle liaison Download PDF

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Publication number
EP2644381B1
EP2644381B1 EP13160760.8A EP13160760A EP2644381B1 EP 2644381 B1 EP2644381 B1 EP 2644381B1 EP 13160760 A EP13160760 A EP 13160760A EP 2644381 B1 EP2644381 B1 EP 2644381B1
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EP
European Patent Office
Prior art keywords
printing
printing form
forme
forme cylinder
cylinder
Prior art date
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Application number
EP13160760.8A
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German (de)
English (en)
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EP2644381A3 (fr
EP2644381A2 (fr
Inventor
Karl Schäfer
Lars Keil
Michael Koblinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP2644381A2 publication Critical patent/EP2644381A2/fr
Publication of EP2644381A3 publication Critical patent/EP2644381A3/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1281—Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1287—Devices for attaching printing elements or formes to supports for attaching flexible printing formes devices for bending the printing plates or the printing plate ends

Definitions

  • the invention relates to a method for the positive connection of a flexible printing plate with a register element and / or for separating such a compound according to claim 1.
  • WO 2008/025584 A1 a method for the positive connection of a flexible printing forme with a register element and / or for separating such a connection is known, wherein the printing forme at least at one of their respective ends a bent relative to its support surface along a bending edge suspension legs and at least on this suspension leg a recess with a having an edge of the Einpatinlegeels interrupting mouth, wherein the printing plate is connected at least in the mouth of this recess with the register element, wherein at least a part of the printing plate is bent by a bend to form a parallel to the bending edge of this printing form extending bending line.
  • the invention relates to a flexible elevator for use on a cylinder of a rotary printing press, the elevator having two opposite ends, each bent at a bending edge, to be fixed in a slot-shaped opening of the cylinder, at least one end having at most two flaps with a laterally inclined or rounded chamfer wherein the leading end in the direction of production of the cylinder end is bent at an acute angle to a non-curved, flat working surface of the unpaved elevator and / or the trailing in the direction of production of the cylinder opposite the arched, flat working surface of the unpowered elevator in a right or bent beveled angle, wherein the leading end has two tabs and / or the trailing end has two tabs, wherein between two integrally formed on the same tabs there is an incision whose maximum reaches maximum to a distance to the bending edge of this end, wherein the Distance of the deepest point of the incision from the bending edge is at least 1 mm.
  • a method for mounting a flexible printing forme on a forme cylinder of a rotary printing machine wherein a bent at a leading edge of the printing form suspension leg is held on the forme cylinder at an edge leading to a arranged in the forme channel channel opening, wherein held at its front edge on the forme cylinder printing form at her is held unimaged back of at least one separately arranged from the forme cylinder controllable holding means, wherein the holding means holds the pressure plate to be mounted by a force applied by the holding means frictional connection, wherein the frictional connection between the surface of the printing plate to be mounted and the support surface of the holding means is made by a negative pressure, wherein the extending between the leading edge and the rear edge surface of the printing plate to be mounted is pulled by a force exerted by the forme cylinder by the rotational movement tensile force while maintaining the frictional sliding along the support surface of the holding means.
  • a handling device for changing printing forms on a forme cylinder of a printing machine wherein a to be mounted on the forme cylinder held on its imaged side of a four-sucker gripper of the handling device and transported to a mounting position on the forme cylinder, wherein at a channel edge of the forme cylinder mounted with a folded suspension leg to be mounted pressure mold is pressed during its assembly by a plurality of arranged on the gripper of the handling device and acting on the imaged side of this printing form rollers to the lateral surface of the forme cylinder.
  • a printing form manipulator for mounting or unmounting a printing form in a printing unit
  • the printing form manipulator comprises: a) a movable manipulator head with at least two holding members for the printing plate, which are spaced from each other so that they can hold the printing plate at spaced locations, and b) wherein the manipulator head of at least one of the holding members relative to the other movably superimposed so that a distance between the holding members is variable.
  • DE 44 24 931 C2 is a method for register-mounting a flexible printing forme on a forme cylinder of a rotary printing machine known, wherein the printing form is mounted with its leading edge on an edge of a parallel in the form cylinder channel opening, wherein the printing form is aligned in register with their position to the forme cylinder, wherein the hinged on the form cylinder printing form of at least one outside the holding cylinder is held on the printing image side by a frictional connection to at least one positionally fixed point of attack, wherein the holding means the register-oriented printing form during its mounting on the forme cylinder by the frictional connection in their register Holds position, wherein used for register-aligned alignment of the printing form arranged in the form cylinder side register stop.
  • the invention has for its object to provide a method for the positive connection of a flexible printing forme with a register element and / or for separating such a connection, wherein the positive connection between a recess on the printing plate and the relevant, the printing plate relative to this Printing form receiving form cylinder aligning register element is made smoothly and reliably to improve the positive connection of the flexible printing form with the register element.
  • the achievable with the present invention consist in particular in that the printing forme can be arranged smoothly and reliably on a forme cylinder of a printing press, in particular with an automatic feeder, because a positive loose connection between a register member receiving recess on the forme cylinder to be supplied to the printing forme and the z , B. in a channel of the relevant form cylinder arranged register element can be easily and reliably produced. Because a temporary expansion the mouth of the recess of the printing form assists in connecting the printing form to the register element and / or separating such a connection. The solution found effectively prevents that the recess narrows at the respective printing forme when supplying the same to the respective forme cylinder.
  • a z. B. used in newspaper printing, designed as a rotary printing press works z. B. in an offset printing process, be it in a conventional, using a fountain solution or in a waterless, ie without a fountain solution printing offset printing process.
  • the rotary printing press preferably has a plurality of printing units each having at least one forme cylinder.
  • the forme cylinder has on its lateral surface both in its axial direction and preferably in its circumferential direction preferably in each case a plurality of mounting positions, on each of which a printing forme can be mounted.
  • the form cylinder is z. B. as a 4/2 or 6/2 forme cylinder formed in its axial direction either four or six juxtaposed printing forms and z. B.
  • the circumference of the forme cylinder is z. In the range between 280 mm and 410 mm; its axial length can be up to 2,600 mm.
  • the form cylinder can, for. B. be used in a H-printing unit or in a 9-satellite printing unit.
  • the form cylinder and a cooperating with him transfer cylinder are z. B. each formed as a double circumferential cylinder.
  • As the substrate is preferably a respective printing unit continuous material web, for. As a paper web used.
  • the assembly of the printing form mainly includes the mounting of this printing plate on the plate cylinder and attaching this printing form on the forme cylinder, whereas the feeding of this printing for form cylinder and the alignment of this printing for form cylinder steps are steps that prepare this assembly and thus the actual Precede mounting.
  • the printing forme has at one of its ends, preferably at least at its front edge, ie at its edge facing the forme cylinder, a suspension leg, this suspension leg being preferably bent at an acute angle relative to the extended length of the printing form and at the edge of an opening of a in the forme cylinder longitudinally extending channel is hooked form-fitting.
  • the printing form can have a suspension leg, said formed on the rear edge suspension leg relative to the extended length of the printing form z. B. is bent at an obtuse angle or preferably approximately at right angles. The leading edge of the printing plate and possibly also its rear edge thus each form a bending edge, since a respective suspension leg is bent on them.
  • Both the suspension leg at the front edge of the printing form and the suspension leg at the rear edge of the printing form are each folded in the direction of the back of the printing form.
  • the back of the printing forme is the unimaged surface extending between its front edge and its rear edge, with which the printing form rests on the lateral surface of the forme cylinder after its mounting. Therefore, the back of the printing form is also referred to as the bearing surface.
  • the made of a flexible, preferably metallic material, for. B. aluminum or aluminum alloy existing printing form is flexible at least in length to z. B. adapted to the curved circumference of the forme cylinder. But even in their extending in the axial direction of the forme cylinder width, the printing plate is formed flexible.
  • a modulus of elasticity, short e-modulus of the material of the printing form is z. In the range between 40,000 N / mm 2 and 85,000 N / mm 2 , preferably about 70,000 N / mm 2 .
  • a yield strength of the printing form is in the range of z. B. 130 N / mm 2 to 225 N / mm 2 and a tensile strength of the printing form is in the range of z. B. 140 N / mm 2 to 235 N / mm 2 .
  • An elongation at break of the printing form is in the range of z. From 1% to 6.7%.
  • the E modulus, the yield strength, the tensile strength and the elongation at break are z. B.
  • the printing form has in the region of its support surface and preferably in the region of their Suspension leg each have a thickness d or material thickness in the range z. From 0.25 mm to 0.35 mm, preferably from 0.27 mm to 0.31 mm.
  • At least one holding means of a feeder holds the printing form prior to its mounting on its unimaged back, d. H. on its support surface by a traction. It can be provided that the printing form hinged with a suspension leg into the channel opening of the forme cylinder is bent along its length with a force acting on it such that the back side of the printing form is guided by this bending to the at least one holding means arranged separately from the forme cylinder until a contact is preferably produced between the printing form to be mounted and the holding means.
  • the adhesion between the printing plate and the at least one separate from the forme cylinder holding means of the feeder is z. B. pneumatically by a suction force, d. H. brought about by a negative pressure.
  • the use of a magnetic force to form the frictional connection is at least less suitable when the printing forme from a non-ferromagnetic material such. B. aluminum.
  • the printing forme is pressed against the lateral surface of the forme cylinder by a pressing element positioned in a fixed position relative to the forme cylinder and attached to the forme cylinder becomes. Furthermore, it can be provided that the at least one holding means of the feeding device arranged separately from the forme cylinder is released from the printing form as soon as the printing forme is pressed by the pressing element against the lateral surface of the forme cylinder. It can also be provided that the frictional connection between the printing forme and the holding means of the feeding device is ended as soon as the printing forme is pressed by the pressing element against the lateral surface of the forme cylinder.
  • a plurality of printing plates are suspended next to one another in the axial direction of the respective forme cylinder and then mounted on the lateral surface of the forme cylinder.
  • the assembly of the plurality in the axial direction of the forme cylinder suspended side by side printing forms can, for. B. also take place at substantially the same time.
  • Each printing form to be mounted is recorded in register and in the correct orientation on the form cylinder.
  • the orientation of a printing form to be mounted is correct if its front edge rests positively on an edge of a channel opening formed in the forme cylinder and this front edge of the printing form thus runs parallel to the edge of the channel opening.
  • the printing form to be mounted can then be wound torsion-free on the lateral surface of this forme cylinder.
  • the holding means associated with the individual printing forms and provided in the respective channel of the relevant forme cylinder can be selected and activated separately.
  • Fig. 1 shows a system consisting of a forme cylinder 06 of the printing press and at least one feeding device for to be arranged on this forme 06 printing plates 01 ( FIGS. 29 to 38 ), wherein in the axial direction of the forme cylinder 06 more, z. B. four printing plates 01 next to each other can be arranged. In another than the one in the Fig. 1 illustrated embodiment of this system are in the axial direction of the forme cylinder 06 next to each other z. B. two, six or eight printing plates 01 arranged.
  • the feeder has a z. B. table-shaped support surface 27, to which the respective the forme cylinder 06 to be supplied to the printing plate 01 can be applied and is also applied.
  • the contact surface 27 of the feed device preferably extends in the axial direction of the forme cylinder 06 over its entire length, so that a plurality of printing plates 01 to be supplied can be placed adjacent to one another on this contact surface 27.
  • Fig. 1 leaves for each of the axially adjacent to each other in the axial direction of the forme 06 printing plates 01 in association with the forme cylinder 06 a section A; B; C; D, wherein an axial extent or width of each section A; B; C; D is preferably approximately the width of that in the respective section A; B; C; D to be supplied printing form 01 corresponds.
  • the sections A; B; C; D also extend over the contact surface 27 of the feed device, which is preferably tangentially applied to the lateral surface of the forme cylinder 06.
  • the juxtaposed sections A; B; C; D of the forme cylinder 06 and its associated at least one feed device are preferably each formed with the same width.
  • Fig. 2 shows a section of the in the Fig. 1 presented system in a different perspective.
  • the forme cylinder 06 is preferably a pressure bar 26, z. B. assigned a role bar 26 ( Fig. 1 to 6 ), which extends axially parallel to the forme cylinder 06 and either separately or z. B. may be formed in unit with the feeder, wherein the roller bar 26 spaced from the lateral surface of the forme cylinder 06 preferably at both ends in a frame (not shown) of the printing press is held.
  • the roller bar 26 has in the axial direction of the forme cylinder 06 preferably a plurality, in each case the respective sections A; B; C; D associated rolling elements 14, preferably rollers 14 on, z. B. three rollers 14 per section A; B; C; D, wherein the a certain section A; B; C; D assigned roles 14 z. B.
  • Fig. 1 to 3 show the roller bar 26 with parked from the lateral surface of the forme cylinder 06 rollers 14, whereas the rollers 14 in which in the 4 to 6 illustrated example, which relates to the same system as that of the Fig. 1 to 3 , are employed on the lateral surface of the forme cylinder 06.
  • Fig. 5 shows a section of the in the Fig. 4 presented system in a different perspective.
  • FIG. 3 and 6 are each perpendicular to the axis of the forme 06 standing sectional views, wherein Fig. 3 shows an operating state in which the rollers 14 are turned off from the lateral surface of the forme cylinder 06, and wherein Fig. 6 shows an operating state in which the rollers 14 are employed on the lateral surface of the forme cylinder 06.
  • the sectional views of the Fig. 3 and 6 is particularly in connection with the Fig. 1 Removable that the forme cylinder 06 has a plurality, preferably two circumferentially offset, preferably diametrically opposed axially parallel channels 07, each of these channels 07 preferably as an introduced on the lateral surface of the forme cylinder 06, z. B. rectangular groove or is formed as a bore.
  • the extending in the axial direction of the forme cylinder 06 channels 07 have on the lateral surface of the forme cylinder 06 preferably in each of the sections A; B; C; D each have a slot-shaped opening 08 with a slot width of less than 5 mm, through which in each case at least one suspension leg one in the relevant section A; B; C; D is to be placed on the forme cylinder 06 to be arranged pressure plate 01 in the respective channel 07, wherein this particular suspension leg held in the channel 07 then and thus the relevant printing forme 01 is fixed on the outer surface of the forme cylinder 06.
  • the slot width of the opening 08 dimensioned in the circumferential direction of the forme cylinder 06 is preferably in the range between 1 mm and 3 mm.
  • At least one pneumatically actuated holding device is arranged in each case, preferably there are provided in each case a plurality of individually operable holding devices ( Fig. 16 ; 17 ).
  • the 8 and 9 again show a longitudinal section through this in the Fig.
  • this compressed air supply device 28 has a rotationally fixed annular outer part 29, on which connections 31 are formed for the supply of compressed air, and one connected to a journal 32 of the forme 06, rotatable together with the forme cylinder 06 inner part 33, which is why This type of compressed air supply 28 is also referred to as a rotary inlet. Part of the z. B.
  • outer part 29 of the compressed air supply 28 is axially displaceable relative to the inner part 33, so that the outer part 29 has at least two operating positions, namely an operating position, passed in the externally supplied compressed air to the inner part 33 and then into the forme cylinder 06th is initiated, and another operating position in which the compressed air supply to the forme cylinder 06 is locked because externally supplied compressed air can not be passed to the inner part 33.
  • On the forme cylinder 06 only a single compressed air supply device 28 is provided, that is, only on one of its two end faces.
  • Fig. 10 shows the compressed air supply device 28 again in a longitudinal section in a schematic representation.
  • the in the Fig. 8 to 10 exemplified larger pneumatic connection 31 close to the bale of the forme cylinder 06 is used to be introduced into the channels 07 compressed air supply, whereas the two smaller, in particular in the 8 and 9 recognizable pneumatic connections 31 an operation of the relative to the inner part 33 slidable outer part 29 is used, ie the choice of the respective Operating position.
  • the compressed air supply device 28 is preferably remotely operable.
  • a force acting in the axial direction of the forme cylinder spring element 34 is indicated 34, which displaces the outer part 29 after a change of its operating position relative to the inner part 33 by a spring force back into its starting position.
  • the compressed air to be distributed on the forme cylinder 06 at its respective holding devices is transferred from an outer pressure medium source to the rotating or at least rotatable forme cylinder 06 by means of only a single line.
  • the compressed air to be distributed on the forme cylinder 06 is preferably introduced radially into the outer part 29 of the compressed air supply device 28, it is then forwarded coaxially to the forme cylinder 06 from the inner part 33 of the compressed air supply device 28, ie introduced into an end face of the forme cylinder 06 (FIG.
  • Fig. 11 shows a schematic representation of a longitudinal section through the z. Tie Fig. 1 and 4
  • the forme cylinder 06 near the front - in particular in the Fig. 1 . 3 and 6 recognizable - the lateral surface of the forme cylinder 06 pocket-shaped opening recesses formed, in each of which one of the axially parallel channels 07 opens, each of these recesses in the axial direction of the forme cylinder 06 a length z. B. in the range between 50 mm and 100 mm.
  • controllable valves 36 are arranged, with which the compressed air distribution on the forme cylinder 06 is controllable, so that these valves 36 form the aforementioned compressed air distributing device.
  • controllable valves 36 are arranged, with which the compressed air distribution on the forme cylinder 06 is controllable, so that these valves 36 form the aforementioned compressed air distributing device.
  • only a single line is provided in the forme cylinder 06, which the means of the compressed air supply means 28 for Form cylinder 06 transmits transmitted compressed air to the arranged in the respective recess valves 36.
  • the forme cylinder 06 in its axial direction side by side six sections A; B; C; D; e; F on. Due to its two diametrically offset channels 07 can in each of the six sections A; B; C; D; e; F in the circumferential direction two printing plates 01 are arranged one behind the other on the lateral surface of the forme cylinder 06, so that a total of twelve printing plates 01 can be arranged on this forme cylinder 06.
  • Each of the six sections A; B; C; D; e; F are each in the two channels 07 partially operable holding devices associated with which in the respective section A; B; C; D; e; F arranged printing plates 01 are held on the lateral surface of the forme cylinder 06.
  • valves 36 are used in each case by connecting one stub line 37 from each of these valves to one of the sections A; B; C; D; e; F, preferably to one of the next four juxtaposed sections A; B; C; D is guided.
  • a compressed air line 41 is guided to the remote 28 of the compressed air supply, wherein only two of the valves 36 are arranged in these arranged on the other end of the forme cylinder 06 recesses by two of these valves 36 each have a stub 37th each to one of the sections A; B; C; D; e; F is guided, namely preferably to those sections A; B; C; D; e; F, which are not supplied by the compressed air supply device 28 recesses close.
  • all sections A; B; C; D; e; F of the forme cylinder 06 may be supplied with compressed air from valves 36 disposed on its same end face.
  • Only two of the valves 36 are arranged in these arranged on the other end of the forme cylinder 06 recesses by two of these valves 36 each have a stub 37th each to one of the sections A; B; C; D; e; F is guided, namely preferably to those sections A; B; C; D; e; F, which are not supplied by the compressed air
  • control means 18 are provided, with which each arranged in the recesses of the forme cylinder 06 valves 36 selectively, ie individually and independently of each other, preferably contactlessly actuated.
  • the respective, in particular electrically and thus remotely triggerable control devices 18 are preferably arranged fixed to the frame in the printing machine, wherein the triggering of the respective control devices 18 can be carried out by a belonging to the printing machine arithmetic unit.
  • This arithmetic unit can z. B. be arranged in a belonging to the printing press control room.
  • the control devices 18 may use a preferably magnetic or inductive action principle for actuating the respective valves 36.
  • the respective valves 36 are actuated by means of a radio signal.
  • a magnetic or inductive active principle is to avoid crosstalk in the control of arranged in the same recess valves 36, ie to improve their selective control, provided that arranged in the same recess valves 36 arranged in the axial direction of the forme cylinder 06 from each other are, wherein formed between adjacent valves 36 distance z. B. in the range between 1 mm and 15 mm, preferably between 8 mm and 14 mm, in particular between 10 mm and 12 mm.
  • the Actuating the arranged in the same recess valves 36 may also z. B. circumferentially offset staggered so that z. B. the actuators of the first and third valve 36 of the same valve block and the actuators of the second and fourth valve 36 of this valve block in the axial direction of the forme cylinder 06 are aligned.
  • Fig. 12 shows a perspective section of the in the Fig. 11 illustrated forme cylinder 06 having a frontally mounted recess and a valve block arranged therein with four in the axial direction of the forme cylinder 06 arranged in series valves 36.
  • Each of these valves 36 is z. B. magnetically actuated.
  • a control device 18 is provided with four juxtaposed, electrically controllable magnet 38 in association with the arranged in the forme cylinder valves 36, with which control device 18 of each of these valves 36 is actuated when the actuator of the valve to be actuated 36 is due to a rotation of the forme cylinder 06 radially below the respective magnet 38 of this control device 18.
  • each valve 36 can be actuated by a hand magnet 39, which is brought into operative connection with the respective actuating device manually.
  • a hand magnet 39 may instead of training as a separate tool z. B. also be mounted in or on a worn by the operator of the printing press glove.
  • a radial distance between the control device 18 and the respective actuating device of the valve 36 to be actuated is z. B. between 2 mm and 50 mm, preferably between 5 mm and 30 mm, in particular between 6 mm and 10 mm.
  • Fig. 13 shows that part of a can be arranged in one of the recesses of the forme cylinder 06 valve block to the more, z. B. four to the respective sections A; B; C; D; e; F leading stubs 37 and z. B. a respective channel of the forme cylinder 06 continuous compressed air line 41 can be connected.
  • This Connection box 42 is equipped with connecting pieces for the respective pneumatic lines 37 laid in the channel 07, wherein the respective pneumatic lines 37 can be plugged onto the connecting pieces.
  • the junction box 42 may be connected to the valve block by means of a quick connection, for. B. by means of a dovetail connection and thus be fastened there.
  • the attached to the valve block terminal box 42 shows the Fig. 14 , The Indian Fig.
  • valve block has at its top z. B. four spaced apart in a row juxtaposed actuators to selectively actuate the respective valves 36 of this valve block.
  • Fig. 15 shows this valve block without the connection box.
  • the arranged in one of the recesses of the forme cylinder 06 valve block can, for. B. in an accident in an advantageous manner easily replaced by the valve block and its junction box are separated.
  • On the valve block itself no pneumatic lines 37 are to be removed, because these are connected solely to the junction box 42.
  • the terminal box 42 also has the function of a fast connection producing quick release.
  • the junction box 42 may, for. B. releasably, but firmly connected to a wall of the respective channel 07, so that the respective valve block is only pushed onto the dovetail connection of the valve block.
  • Fig. 16 shows in a perspective view a part of a over several sections A; B; C; D; e; F extending arrangement of to be arranged in one of the channels 07 of the forme 06 holding devices.
  • Each of these one of the sections A; B; C; D; e; F associated holding devices has at least one clamping element 43, but preferably several in the relevant section A; B; C; D; e; F side by side arranged clamping elements 43.
  • each of the pneumatic lines 37 to be connected to the terminal box 42 of a valve block carries the compressed air to one of the juxtaposed sections A; B; C; D; e; F, preferably in each case in the middle region of each section A; B; C; D; e; F, where the respective pneumatic line 37 then ends.
  • each a register element 44 for register-containing arrangement of the relevant printing plate 01 is arranged on the forme cylinder 06, wherein the respective register element 44 determines an axial position of the relevant printing plate 01.
  • Fig. 17 shows a rear view of the in the Fig. 16 illustrated arrangement of a portion of the arranged in one of the channels 07 of the forme 06 holding devices.
  • the Fig. 18 to 20 show by way of example three different embodiments of the respective pneumatic circuit of each of the one arranged in one of the channels 07 of the forme cylinder 06 valves 36.
  • the valves 36 remain after their operation in each case preferably in a latching.
  • In the Fig. 19 and 20 is indicated in each case by a connected to the valve circuit working cylinder to be actuated by the valve 36 holding device in the channel 07 of the respective forme cylinder 06.
  • the actuation of the valves 36 takes place z.
  • B mechanically, but preferably non-contact, in particular magnetic or electromagnetic.
  • the letter “E” designates the compressed air inlet to the pneumatic circuit of this valve 36 and the letter "A" the compressed air outlet from this pneumatic circuit.
  • Fig. 21 schematically shows a sequence control for at least one of the channels arranged in one of the channels 07 of the respective forme 06 valves 36.
  • the forme cylinder 06 and a transfer cylinder 46 interacting with it and a roller of an ink are indicated on at least one printing forme of the forme cylinder 47.
  • a to be arranged on the forme cylinder 06 printing plate 01 is in the Fig. 21 from the left z. B. on a horizontally oriented support surface 27 of a feeder the forme cylinder 06 is supplied.
  • the respective valve 36 is to be actuated, so that a printing forme 01 either mounted on this forme cylinder 06, ie clamped or disassembled from this, ie can be removed.
  • At the angular position ⁇ 3 10 ° of the forme cylinder 06 is when clamping a printing forme 01 in the respective section A; B; C; D; e; F the relevant holding device for the front edge 02 of this printing form 01 is opened or closed.
  • the angle range a4 between 128 ° and 135 ° is when clamping a printing forme 01 in the respective section A; B; C; D; e; F the relevant holding device for the trailing edge 12 of this printing forme 01 first opened and then closed again.
  • In the angular position a5 170 ° of the forme cylinder 06 is when clamping a printing forme 01 in the respective section A; B; C; D; e; F the relevant holding device for the trailing edge 12 of this printing form 01 is opened.
  • ⁇ 6 176 ° of the forme cylinder 06 is during the clamping of the printing forme 01 in the respective section A; B; C; D; e; F the relevant holding device for the front edge 02 closed.
  • the Fig. 22 shows for in the Fig. 21 arrangement shown again those circular sections, which are particularly relevant for the clamping of a printing forme 01 on this forme cylinder 06, since at these angular positions of the forme cylinder 06 each of which the respective section A; B; C; D; e; F associated valve 36 is to be operated.
  • Fig. 23 again shows part of the roller bar 26 (FIG. Fig. 1 to 6 ), wherein it can be seen that in this embodiment, each of the rollers 14 each have at least one actuating element 51, for. B. a pneumatic cylinder is assigned, so that each roller 14 is selectively controlled and thus individually and independently of other rollers 14 of this roller bar 26 can be employed on the forme cylinder 06 or turned off by this.
  • Fig. 24 shows a part of a further embodiment variant of the roller bar 26 (FIG. Fig. 1 to 6 ) in a view from below, this roller bar 26 being characterized in that it is in each section A; B; C; D; e; F has a plurality of rollers 14 or rolling elements 14 offset from each other in the circumferential direction of the forme cylinder 06.
  • Fig. 25 shows in a perspective view part of another embodiment of the forme cylinder 06 with a frontal recess and a axially parallel extending channel 07, wherein in the channel 07 pneumatically actuated holding devices are arranged.
  • the recess z. B. arranged two manually operable valves 36 which z. B. have no latching, but as long as actuation of the respective holding device effect, as long as corresponding acting on the valves 36 switching elements 52, z. B. button 52, are actuated.
  • Fig. 26 shows the forme cylinder 06 of Fig. 25 in an enlarged section in an amended perspective, in particular, the recess of the forme cylinder 06 with the switching elements 52 of the two manually operable valves 36 and the opening 08 are shown in the form of a slot 07 channel.
  • Fig. 27 shows a section in a perpendicular to the axis of the forme cylinder 06 section one of the arranged in the channel 07 of the forme 06 holding devices.
  • Fig. 28 each shows in a perspective view both a single clamping element 43 of the holding device and a can be arranged in the channel 07 of the forme 06 register member 44, wherein the register member 44 in the channel 07 of the forme cylinder 06 at least in its axial position adjustable and can be fixed at the set position.
  • the register element 44 attacks z. B. with a projection 53 formed on it in one of the respective printing forme 01 z. B.
  • Such a register element 44, with each of which a printing forme 01 to be mounted is positioned in the axial direction of the forme cylinder 06, z.
  • At the edge of each section A; B; C; D; e; F of the forme cylinder 06 or preferably in the middle of each section A; B; C; D; e; F of the forme cylinder 06 is arranged ( Fig. 16 and 17 ).
  • the tab member 44 or at least its in the recess 56 of the printing plate 01 cross projection 53 are preferably superficially with a sliding layer, for.
  • a sliding layer for.
  • Fig. 29 is the respective pressure to be mounted 01 for. B. by hand preferably with its at its front edge 02 z. B. at an acute angle or bent at right angles suspension legs 03 at an edge 04 to a leading axis in the forme 06 arranged channel 07 opening 08, ie the channel opening 08, mounted.
  • the hanging of the leading edge 02 of the printing forme 01 to be mounted on the edge 04 of the channel opening 08 is preferably carried out in compliance with the at least one in the respective section A; B; C; D; e; F of the forme cylinder 06 in the edge 04 arranged register element 44.
  • the hinged to the channel opening 08 leading edge 02 of the printing plate 01 to be mounted is then aligned register when this edge 04 is aligned parallel to the channel opening 08.
  • channels 07, z. B. are two channels 07 arranged offset in the circumferential direction of the forme cylinder 06 by 180 ° to each other.
  • the respective printing forme 01 z. B. by hand by a force on their printed image page on in conjunction with the Fig. 1 to 6 described table-shaped support surface 27 of the feeder pressed - in the Fig. 29 indicated by a directional arrow for the effective force -, wherein the support surface 27 of the feeder z. B.
  • B. is formed as a shaped sheet metal part.
  • the respective printing plate 01 to be mounted on the forme cylinder 06 bends lengthwise under the pressure exerted on its printed image side by hand at least according to the length of their preferably approximately bent at right angles Einpatinlegeels 13 at its rear edge 12, provided that this formed on its rear edge 12 suspension leg 13 before the pressure exerted by hand on the printed image side of the respective printing forme 01 on the z.
  • B. formed as a flat surface bearing surface 27 of the feeder, said flat surface may be made tangential or radial to the respective forme cylinder 06 ( Fig. 39 and 40 ).
  • the holding means 11 z. B. a suction pad z. B. having a polygonal, round or oval cross-sectional area, wherein a presence of a forme cylinder 06 to be mounted pressure mold 01 in an area of action of this holding means 11 preferably of this holding means 11 or at least using this holding means 11 z. B. using a sensor 19 or switch 19 (FIG. Fig. 41 ), that is automatically detected, this holding means 11 after this detection and after an approach of the surface of the printing forme 01 to be mounted on the support surface 27 of the feeder z. B.
  • the suction creates a frictional connection between the placed on the support surface of the holding means 11 printing plate 01 and holding them holding means 11, said adhesion the pressure plate 01 to be mounted on the support surface of the holding means 11 preferably at least until the onset of sliding movement between the support surface the holding means 11 and the surface of the printing plate 01 fixed.
  • the support surface of the holding means 11 is small compared to the support surface 27 of the feeder, z. B. is the support surface of the holding means 11 at most 20%, preferably less than 10% of the support surface 27 of the feeder.
  • the bearing surface of the holding means 11 is z. B.
  • this bearing surface of the holding means 11 has a higher outer edge and a lower edge relative to this lower center region, wherein to be mounted, applied to this bearing surface of the holding means 11 printing forme 01 in the production of frictional Connection between this placed on the support surface of the holding means 11 printing plate 01 is arched at least slightly with a directed to the holding means 11 bending line.
  • the contact surface of the holding means 11 forms with respect to the laid on this holding means 11 and there frictionally fixed pressure mold 01 at least one point of attack, this being at least one point of the at least one holding means 11 z. B. is located approximately in the middle of the length of the printing forme 01 to be mounted.
  • this point of application of the holding means 11 on the printing forme 01 to be mounted in its half closer to the forme cylinder 06 or in the area between the front third of the printing forme 01 to be mounted and the middle of its length. In the case of only a single point of application of the holding means 11 on the printing forme 01 to be mounted, this is preferably arranged approximately at half the width of this printing forme 01 to be mounted.
  • the holding means 11 produces a connection, fixed for the duration of the adhesion, to the printing forme 01 to be mounted.
  • the exerted by the holding means 11, z. B. generated by a suction pump 16 adhesion is preferably switched on by a control unit 17 in particular after detecting the presence of a printing plate 01 to be mounted and at a later time again switched off, this Control unit 17 in turn z. B. connected to the press belonging to the control room or even integrated therein.
  • the forme cylinder 06 starts to rotate driven by a drive, not shown in its production direction - indicated in the Fig. 30 by a direction of rotation arrow - and starts with his rotary motion at the edge 04 leading to the channel 07 opening 08 mounted printing plate 01 on its lateral surface, the forme 06, the leading edge 02 of this printing plate 01 initially positioned under a fixed position relative to the forme cylinder 06, pulls on the lateral surface of the forme cylinder 06 employed pressure element 14.
  • This provided as a mounting aid pressure element 14 may, for. B. be formed as a pressure roller 14.
  • printing plates 01 are in association with the respective sections A; B; C; D; e; F of the forme cylinder 06 in a pressure bar 26 preferably a plurality of pressing elements 14 are provided, wherein the individual pressing elements 14 of this Andschreibmann 26 together or preferably individually and independently of the other pressing elements 14 on the lateral surface of the forme cylinder 06 can be adjusted or offset from this.
  • the respective printing forme 01 while pressed against the lateral surface of the forme cylinder 06 by the at least one associated pressing element 14, continues to be held by the holding means 11 holding it while exerting a traction force away from the forme cylinder 06 for a certain period of time and / or along a certain length retained by the printing forme 01 distance, whereby the printing forme 01 between its front edge 02 and the point of the holding means 11 along its length tightened pulled or tightened, whereby the leading edge 02 of this printing forme 01 solid and straight to the edge 04 leading to the channel 07 Opening 08 is pulled.
  • the printing forme 01 to be mounted is wound torsion-free on the lateral surface of the forme cylinder 06.
  • the respective printing forme 01 while being separated from the at least one associated pressing member 14 is pressed against the lateral surface of the forme cylinder 06, further retained by the holding means holding them 11 while exerting a pulling force away from the forme cylinder 06 for a certain period of time and / or along a certain distance to be traveled by the printing forme 01.
  • Holding the printing forme 01 holding means 11 is not moved at least during the rotational movement of the forme cylinder 06, but is positionally fixed in its positioning at least relative to the forme cylinder 06, so that the printing forme 01 to be mounted while maintaining the frictional z.
  • the support surface of the holding means 11 is preferably made of a plastic, in particular with good sliding properties, eg. Example, from a designated by the trade name S green plastic, so that along this bearing surface of the holding means 11 drawn printing plate 01 is not scratched by the sliding movement or otherwise damaged.
  • the pressing elements associated with the individual printing plates 01 14 take over at the latest after the expiry of the time for the maintenance of the printing form 01 firming traction time and / or after passing through the particular distance to be traveled by the printing plate 01 the register-fixing of the respective printing plates 01, so that the respective printing forme 01 holding holding means 11 can be released from the respective printing forme 01, ie the frictional connection between the printing forme 01 to be mounted and the respective holding means 11 is terminated by the force effect is abandoned, for. B. by switching off the suction, ie the negative pressure.
  • the forme cylinder 06 now rotates up to the position at which at least one command for a separate selection of the individual printing plates 01 associated, arranged in the channel 07 of the respective forme 06 holding means are passed to a non-contact accepting and / or donating device 18 this command can.
  • This position is z. B. given by the fact that the channel 07 leading to the opening 08 is radially below this device 18 ( Fig. 32 ).
  • the device 18 is preferably arranged in the immediate spatial vicinity of the lateral surface of the forme cylinder 06.
  • the respective pressure element 14 can be turned off by the lateral surface of the forme cylinder 06 ( Fig. 34 ).
  • this forme cylinder 06 rotates to that position at which at least one command for a separate selection of the individual printing plates 01 associated, arranged in the channel 07 of the respective forme 06 holding means to this command without accepting and / donating device 18 can be handed over ( Fig. 35 ).
  • the abutment of the printing forme 01 associated pressing element 14 is employed on the lateral surface of the forme cylinder 06.
  • the selected by the device 18, the respective printing forme 01 associated, arranged in the channel 07 retaining means changes from its holding position to its release position, so that the bent at the rear edge 12 of each printing plate 01 suspension leg 13 due to the bending elasticity of the printing plate 01 from the channel 07 leading opening 08 jumps, which is in the Fig. 35 indicated by an arrow.
  • the forme cylinder 06 rotates counter to its production direction in a removal position in which it pushes the rear edge 12 of the respective printing forme 01 on the support surface 27 of the feeder, wherein the bent at the rear edge 12 of this printing plate 01 suspension leg 13 stand up on the support surface 27 of the feeder can Fig. 36 ).
  • Pressing element 14 is turned off by the lateral surface of the forme cylinder 06, z. B. as soon as a result of the rotation of the forme cylinder 06 of this pressure element 14 and the channel 07 leading to the opening 08, on which the leading edge 02 of the aberedden printing forme 01 is held radially opposite each other.
  • the shutdown of the pressure element 14 is in the Fig. 37 indicated by a directional arrow.
  • Fig. 38 shows as the last step in removing a printing plate 01 from the forme cylinder 06 a z.
  • B manual removal of this unwound from the lateral surface of the respective forme cylinder 06 printing plate 01 both from the forme 06 and from the support surface 27 of the feeder - indicated by a removal arrow.
  • Fig. 39 shows an example of a section of a 9er satellite printing unit, wherein the device for register-mounting each of at least one flexible printing plate 01 is positioned differently on one of the forme cylinder 06 of this rotary printing press.
  • the support surface 27 of the respective feeder in the in the Fig. 39 illustrated 9-satellite printing unit at least partially tangentially to the respective forme cylinder 06 employed.
  • Fig. 40 shows by way of example a section of an H-printing unit, wherein the device for register-free and torsion-free mounting of at least one flexible printing plate 01 is positioned on one of the forme cylinder 06 of this rotary printing press at their upper printing units different from their lower printing units.
  • the bearing surface 27 of the respective feeding device is set substantially radially against the respective associated forme cylinder 06, whereas in the upper printing units, the bearing surface 27 of the respective feeding device in the Substantially tangential to the respective associated forme cylinder 06 is employed.
  • Fig. 41 shows in an enlargement the one to be mounted printing forme 01 holding feeder according to the FIGS. 29 to 40 ,
  • the support surface of the holding means 11 is located opposite the support surface 27 of the feeder in an elevated position, this elevated position may be caused by the fact that the support surface of the holding means 11 is deflected by a rotational angle ⁇ about a preferably fixed pivot point 21. Due to this deflection by the rotation angle ⁇ , the holding means 11 is spaced from its position in the actuated state.
  • the rotation angle ⁇ is z. B. less than 15 °, preferably less than 10 °, in particular less than 5 °. In the unactuated position z. B. the holding means 11 of a belonging to the feeder z. B. electromechanical switch 19 spaced.
  • a sensor 19, which preferably detects the respective printing form 01 may also be provided.
  • the control unit 17 which in turn exerted by the holding means 11 Traction controls.
  • the respective feeders and thus their respective holding means 11 and their respective sensor 19 or switch 19 in each case jointly or preferably also individually and can be used independently and are used accordingly.
  • the respective printing plates 01 can thus be mounted individually or in groups on the relevant forme cylinder 06, the group size being able to extend to the maximum number of mounting positions juxtaposed in the axial direction of the forme cylinder 06 for one respective printing forme 01.
  • the control unit 17 is preferably connected to a control bus or other network.
  • Fig. 42 shows in an enlargement the one to be mounted printing forme 01 holding feeder according to the FIGS. 29 to 40 in the position in which the printing forme 01 to be mounted is already aligned in register.
  • the contact surface of the holding means 11 is pivoted about the pivot point 21 by the rotational angle ⁇ , wherein the pivoting movement is carried out due to the force exerted by hand on the printed image side of the respective printing plate 01 pressure, which is indicated by an arrow in the Fig. 42 is indicated, which is brought by this pressure, the back of the printing forme 01 with the holding means 11 of the feeder in physical contact.
  • the pivoted-off holding means 11 also actuates the switch 19 belonging to it or triggers a signal on the associated sensor 19, which signal is emitted from the z.
  • control unit 17 belonging to the feeder, preferably electronic control unit 17 is interpreted as a presence of a printing plate 01 to be mounted on the support surface 27 of the feeder.
  • the control unit 17 of the frictional connection between the unimaged back of the printing forme 01 and the support surface of the holding means 11 is turned on.
  • the forme cylinder 06 is set in its production direction in a rotational movement, whereby the hinged to the forme cylinder 06 printing plate 01 is tightened.
  • Fig. 43 shows the one to be mounted printing form 01 holding feeder according to the FIGS. 29 to 40 in an operating condition during which the printing forme 01 to be mounted is mounted on the forme cylinder 06 as a result of its rotational movement against the force of the frictional connection holding this printing forme 01.
  • the unimaged back of the printing forme 01 slides over the support surface of the holding means 11 during its winding, this relative movement in the Fig. 43 indicated by an arrow.
  • the adhesion between the back of the printing forme 01 and the bearing surface of the holding means 11 is z. B. by switching off the existing negative pressure lifted before the suspension leg 13 at the rear end 12 of this printing plate 01 reaches the support surface of the holding means 11.
  • Fig. 44 shows in a schematic representation fragmentary, the control device 18, ie the commands non-contact receiving and / or dispensing device 18, with which arranged in the channel 07 of the forme 06, the individual mounting positions on the outer surface of the forme cylinder 06 associated holding means are selectable and operable.
  • This control device 18 has in the axial direction of the forme cylinder 06 side by side preferably a plurality of each independently working, z. B. on a support 24 mounted transmitting and receiving units 22, to which the forme cylinder 06 each have a corresponding counterpart, ie corresponding transmitting and receiving units 23 is arranged, wherein the transmitting and receiving units 23 on the forme cylinder 06 also z. B. are arranged side by side in the axial direction.
  • the transmitting and receiving units 23 on the forme cylinder 06 are z. B. arranged in or on the channel 07 of the forme cylinder 06 and occur z. B. through the opening 08 of the channel 07 with the outside of the forme cylinder 06 preferably stationary arranged transmitting and receiving units 22 by a preferably reciprocal transmission of control commands in an operative connection.
  • the outside of the forme 06 arranged transmitting and receiving units 22 transmit z. B. a control command, a specific, z. B. caused by an addressing, arranged in the channel 07 of the forme cylinder 06 holding means causes to change from its holding position to its release position.
  • the transmitting and receiving units 23 on the forme cylinder 06 can (not shown) in the form of a status message indicate a further outside of the forme cylinder 06 arranged control device in which position a particular located in the channel 07 of the forme 06 holding means is currently, ie whether it is in its holding position or in its release position.
  • the transmission of the respective commands preferably takes place when the transmitting and receiving units 22 arranged outside the forme cylinder 06 and the transmitting and receiving units 23 radially opposite to the forme cylinder 06 by a corresponding rotation of the forme cylinder 06.
  • the outside of the forme 06 arranged transmitting and receiving units 22 may, for. B. as separately selectable and activatable magnets 38 and the transmitting and receiving units 23 on the forme cylinder 06 can, for. B. be designed as controllable by the aforementioned magnets solenoid valves 36 ( Fig. 11 and 12 ).
  • Fig. 45 shows a section of a designed as H-printing unit or as a satellite printing unit printing unit with a respective form cylinder 06 respectively rectilinearly tangentially salaried bearing surface 27 of the respective feeder.
  • a set up on the respective support surface 27 of the feeder, the respective forme cylinder 06 to be fed pressure mold 01 is only bent in each case within the context of the length of Einkownlegeels 13 at the rear end 12 of this printing forme 01 to the unimaged back of this printing plate 01 with the support surface of the respective holding means 11 to bring into a physical contact, ie to the printing forme 01 z. B. sucked by a negative pressure.
  • Fig. 46 again different arrangements of the feeder are shown in a 9er satellite printing unit, but the 9er satellite printing unit differs Fig. 46 from the one of Fig. 39 in that the 9-satellite printing unit of the Fig. 46109 practisesformzylinder 06 has, whereas the 9-satellite printing unit of the Fig. 39 Doppel describessformzylinder 06 shows.
  • the respective transfer cylinders are both in the Fig. 39 as well as in the Fig. 46 each formed as a double-circumference cylinder, so that the transfer cylinder can transmit in each case two printed images at their respective circumference one behind the other.
  • a Doppel baysformzylinder 06 offers due to its larger diameter rather opportunity for a straight-line tangential employment of the support surface 27 of the respective feeder at the peripheral line.
  • the support surface 27 of the respective feeding device in the direction of feeding the printing forme 01 to the respective forme cylinder 06 is preferably formed at least partially curved, although the support surface 27 of the respective feeder may also be employed tangentially to the circumference of the respectiveBankproofsformzylinders 06.
  • the design of the support surface 27 of the respective feeder - whether the support surface 27 of the feeder z. B. is rectilinear or curved and / or whether it is employed radially or tangentially to the respective forme cylinder 06 - to adjust the dependent on the diameter of the respective forme cylinder 06 specific installation conditions on the respective printing unit.
  • the printing forme 01 Since the printing forme 01 is held frictionally by the holding means 11 on the contact surface 27 of the feeding device, the printing forme 01 is fixed to the forme cylinder 06 after being hooked onto its front edge 02 and can be held register-free and torsion-free on the lateral surface of the forme cylinder by exerting a restraining force 06 are raised.
  • the presence of a printing plate 01 can be detected automatically by a control unit 17.
  • the assembly of the printing forme 01 that is, in particular its winding process, can be performed by the control unit 17 in a mechanically and autonomously controlled manner.
  • the holding means arranged in the channel 07 of the forme cylinder 06 can be actuated separately for each printing forme 01. You are contactless z. B. switchable via magnets.
  • a pressure bar 26 with a plurality of adjacently arranged pressure elements 14 for a plurality of pressure cylinders 01 arranged next to one another in the axial direction of the forme cylinder 06 can be constructively made considerably simpler.
  • a rotary printing machine is bent at a front edge 02 of the printing forme 01 Ein rehabilitationschenkel 03 at one edge 04 of a arranged in the forme 06 channel 07 channel 07 mounted opening, wherein the am Form cylinder 06 hinged printing form 01 is held by at least one separated from the forme 06 holding means 11 in particular by a frictional connection, wherein in the axial direction of the forme 06 individually or in groups next to each other several printing plates 01 are arranged, each of these juxtaposed printing plates 01 each of a controllable Holding means 11 is held, wherein a present in the area of action of the respective holding means 11 printing plate 01 is preferably detected automatically by the respective holding means 11, wherein after the detection of the respective printing forme 01 to be mounted preferably the force exerted by the respective holding means 11 traction z. B. is turned on by the control unit 17.
  • the plurality of printing plates 01 to be arranged next to one another in the axial direction of the forme cylinder 06 can be
  • the Fig. 47 shows a printing plate 01 in the form of a rectangular flat plate having a width b1 in its extended length l1 in plan view.
  • the printing forme 01 thus has two parallel long sides and two parallel broadsides.
  • the width b1 of this printing forme 01 will extend in the axial direction of the relevant forme cylinder 06 and the length l1 of this printing forme 01 will run along the circumference of this forme cylinder 06.
  • Parallel to the length l1 is in the Fig.
  • a symmetrical line 54 which passes through the printing form 01 and is centered with respect to the width b1 is shown in dashed lines.
  • a symmetrical line 54 to the symmetrical recess 56 is provided with an edge 57 of this printing form 01 interrupting mouth 58, wherein the respective recess 56 at the front end of this printing plate 01 a width b2 and at the rear end of this printing form 01 a width b4 each in the range of a few millimeters, z. B. between 3 mm and 8 mm, preferably about 5 mm, these two widths b2; b4 can be the same or different.
  • the respective recess 56 has a perpendicular from the edge 57 in this printing form 01 extending depth t in the range of z. B. 2 mm to 10 mm, preferably from 5 mm to 8 mm.
  • the respective recess 56 has at the respective incision sides 61 in the region of its mouth 58 preferably each have a chamfer, wherein a respective width b2; b4 of the respective recess 56 at the mouth 58 wider chamfer angle starting from the relevant incision side 61 in the range between 10 ° and 45 °, preferably between 15 ° and 30 °.
  • the width b1 of the printing plate 01 is in the range of z. B. 250 mm to 400 mm.
  • Double width printing forms 01 or panorama printing forms are correspondingly wider.
  • the printing forme 01 has a printing area 59 which is spaced on all sides from its edge 57 and has a printing length l3 and a printing width b3, at least one printed image to be printed with this printing forme 01 being arranged in this printing area 59 can, with a distance a1 between the edge 57 along the relevant broad side of the printing forme 01 and a parallel to the printing width b3 extending boundary of the printing area 59 in the range of z.
  • the respective trainees bending edge 02; 12 each has a distance a3; a4 from the respective nearest edge 57 of the printing forme 01, which in each case corresponds to the respective dimension of the depth t of the relevant recess 56 or is greater than this dimension of the depth t, but is smaller than the respective distance a1; a2 between the edge 57 along the respective broad side of the printing forme 01 and the relevant parallel to the printing width b3 extending boundary of the printing area 59.
  • the depth t of the respective recess 56 is therefore sufficient z.
  • B. up to the relevant bending edge 02; 12 zoom.
  • a distance between the two bending edges 02 to be formed on the same printing forme 01; 12 is referred to as Abkantgres l2, where: l3 ⁇ l2 ⁇ l1.
  • Fig. 48 shows the in the Fig. 47 illustrated print form 01 in a side view, but now the suspension legs 03 are already folded in the direction of the support surface 62 of this printing forme 01 along the broad sides thereof, wherein the fold, ie the bending angle at the front end of the printing forme 01, ie on the in the production direction of the forme cylinder 06 leading end, opposite the extended length l1 of this printing plate 01 at an acute angle, preferably about 45 °, is formed and wherein the fold, ie the bending angle at the rear end of the printing plate 01, ie at the trailing in the direction of production of the forme cylinder 06 end, relative to the extended length l1 of this printing forme 01 in a right or is formed obtuse angle.
  • a bending radius r1 at the front end of the printing plate 01 is z. B. in the range of 0.1 mm to 1 mm, preferably at about 0.2 mm, and a bending radius r2 at the rear end of the printing plate 01 is z. B. in the range of 0.3 mm to 1 mm, preferably at about 0.5 mm.
  • the suspension legs 03 each have a length s1; s2 of several millimeters, z. B. in the range of 5 mm and 10 mm.
  • Fig. 49 shows the printing forme 01 of Fig. 48 in a front view, wherein a broad side of this printing forme 01 is shown with its width b1 and the riot height h1. Symmetrical to the line of symmetry 54 is located at this front end of the printing plate 01 a recess 56 with the width b2 and the depth t, said recess 56 interrupts the edge 57 of the broad side of this printing plate 01 and wherein this recess 56 is chamfered in the region of its mouth 58 , As shown in the Fig. 49 is the printing plate 01 with a z. B. arranged in a channel 07 of a forme cylinder 06 arranged register member 44 in a positive connection. It is z. B.
  • Fig. 50 shows in a simplified schematic representation of an operating situation in which the printing forme 01 with its support surface 62 on a support surface of a z. B. as a suction pads formed holding means 11 rests, wherein the printing forme 01 has the thickness d, wherein the bearing surface 62 of this on the lateral surface of a forme 06 to be mounted printing forme 01 and the bearing surface of the holding means 11 each other are facing and touching, this holding means 11 z. B. in a in the Fig. 50 as such, not shown support surface 27 of a feeder according to the Fig. 1 to 4 and 29 to 45 is arranged.
  • the trained at the leading end of the printing plate 01 suspension leg 03 of the uprising height h1 is brought with the recess 56 formed on it with the register element 44 in a positive connection, as shown in the Fig. 49 is shown.
  • the holding means 11 preferably grips the printing forme 01 centrally with respect to its broad side, ie in the area of the symmetry line 54 FIGS. 29 to 38 it can be seen, an integrally arranged in the support surface 27 of the feeder holding means 11 z. B. in a support surface 27 of this feeder breakthrough 64 is arranged.
  • This breakthrough 64 by the support surface 27 of the feeder has at its two sides preferably parallel to the longitudinal sides of the respective printing plate 01 extending sides each have a support member 63 on which rests on the outer surface of the forme 06 to be mounted printing forme 01, wherein a concerned in the Breakthrough 64 arranged holding means 11 nearest edge 67 of the respective support member 63 is disposed at a distance a6 from the printing forme 01 longitudinally passing line of symmetry 54, wherein at two mutually parallel support members 63 whose respective holding means 11 facing edge 67 preferably in each case the same distance a6 of the printing forme 01 longitudinally passing symmetry line 54 is arranged.
  • These support members 63 may each slightly surmount the support surface 27 of the feeder, z. B. 2 mm or less.
  • each section A; B; C; D of the feeder ( Fig. 1 ) is assigned in each case at least one opening 64 through the respective support surface 27.
  • the 51 shows a perspective view of the previously described feed device ( Fig. 1 ) with several, z. B. four arranged in a direction parallel to the axial direction of the forme cylinder 06 series rectangular apertures 64 each together with the preferably arranged in the center of the respective opening 64 associated holding means 11.
  • Die Fig. 52 shows a section XX through one of these Breakthroughs 64, z. B. in the section D.
  • each of these openings 64 is formed in each case with two opposing, the support surface 27 of the feeder each slightly protruding support members 63.
  • the support elements 63 are preferably made of a plastic with good sliding properties.
  • Fig. 53 shows in a schematic representation again as in the Fig. 50 a printing plate 01 with the thickness d and a trained at its leading end suspension leg 03 of the insurrection height h1.
  • the printing plate 01 is formed with its symmetrical to the line of symmetry 54 at its front end recess 56 with a z. B. arranged in a channel 07 of a forme cylinder 06 arranged register member 44 in a positive connection.
  • a printing plate 01 with the thickness d and a trained at its leading end suspension leg 03 of the insurrection height h1.
  • the printing plate 01 is formed with its symmetrical to the line of symmetry 54 at its front end recess 56 with a z. B. arranged in a channel 07 of a forme cylinder 06 arranged register member 44 in a positive connection.
  • a z. B arranged in a channel 07 of a forme cylinder 06 arranged register member 44 in a positive connection.
  • the printing plate 01 is held here on its printed image side of two preferably designed as a suction pads holding means 11, said holding means 11 in a parallel to the axial direction of the forme cylinder 06 row each in a preferably same distance a7 of the printing forme 01 longitudinally passing line of symmetry 54 are arranged.
  • a pressing member 66 which pressing member 66th in contact with the printed image side of this printing form 01 a perpendicular to this print page side acting pressure on this printing plate 01 exerts or with which pressing element 66 such pressure is at least exercisable.
  • the pressing member 66 is preferably arranged to be movable in a plane perpendicular to the printed image side of the relevant printing plate 01 plane, which in the Fig. 53 is indicated by a double arrow associated with the pressing member 66.
  • the movement of this pressing element 66 is z. B. controlled by the control unit 17 or is at least controllable by this control unit 17 from.
  • the bending of the printing plate 01 is formed by the two longitudinally to the bending edge 02; 12 adjacently arranged holding elements 11 in cooperation with at least one support surface 62 of this printing forme 01st supporting support member 63 and / or in cooperation with at least one in a contact with the printed image side of this printing form 01 a pressure on this printing form 01 exerting pressing element 66 z. B.
  • Fig. 54 shows the in the Fig. 53 illustrated operating situation to be arranged on a forme cylinder 06 printing plate 01 in a partial longitudinal section.
  • the folded-in at the front end of the printing plate 01 suspension leg 03 is mounted on an edge 04 of an opening 08 of a formed in the forme cylinder 06 channel 07.
  • a register member 44 is arranged, which is engaged with a formed at the front end of the printing plate 01 recess 56 in engagement.
  • the printing plate 01 is of several, in particular the two in the Fig. 53 holding means 11 shown held, wherein in the partial longitudinal section of the Fig. 54 only one of these holding means 11 recognizable and the other holding means 11 is in particular covered by the arranged between these two holding means 11 pressing member 66.
  • the pressing member 66 is on its side facing the printed image side preferably at its two opposite in the longitudinal direction of the printing plate 01 ends z. B. chamfered and thus formed skid-shaped.
  • At least part of the support surface 62 of the printing forme 01 be formed by bending to form a parallel to the bending edge 02; 12 of this printing form 01 extending bending line is bent, said bending of the printing plate 01 by at least one of these printing plate 01 at least during the joining of the printing plate 01 with the register member 44 holding holding element 11 in cooperation with at least one support surface 62 of this printing plate 01 supporting support member 63 and / or in cooperation with at least one in a contact with the printed image side of this printing plate 01 a pressure on this printing plate 01 exerting pusher 66 is forced, with the bend of the printing plate 01 and the mouth 58 of the suspension leg 03; 13 formed recess 56 with respect to the support surface 62 of this printing forme 01 extend in a same direction, which is elastically deformed by this bend the printing forme 01 in the region of its recess 56, wherein by the elastic deformation of the printing plate 01 in the region of its recess 56 at
  • a contact surface formed between the cut-in sides 61 of the respective recess 56 and the respective register element 44 is formed in the form-fitting connection or joining of this printing forme 01 with the relevant register element 44 briefly reduced at least at the time of joining or joining, making this print form 01 and the relevant register element 44 smoothly and reliably form-fitting connect, in particular add, although the relevant recess 56 and the relevant register element 44 in a transitional fit or even in a , even if only slight interference fit are matched.
  • the elastic deflection of the printing plate 01 along the bending edge 02; 12 is defined by a perpendicular to this bending edge 02; 12 directed force causes what in the Fig. 55 by a perpendicular to the bending edge 02; 12 directed arrow is indicated.
  • the bending edge 02; 12 acting force is a spring travel f, wherein this spring travel f maximum the extent of the riot height h1; h2 of the relevant suspension handle 03; 13 has.
  • the spring travel f is preferably in the range between 1 mm and up to 6 mm.
  • This the elastic deflection of the printing plate 01 along the bending edge 02; 12 causing force is exerted by a perpendicular to the printed image side or perpendicular to the support surface 62 of this printing form 01 directed movement of either the at least one holding element 11 or at least one support member 63 or the at least one pressing member 66.
  • This the deflection of the printing plate 01 along the bending edge 02; 12 causing force and the associated travel f are according to the invention by limiting a travel of the controlled in its respective movement by the control unit 17 at least one holding element 11 or the at least one support member 63 or the at least one pressing element 66 such that the deformation of the printing form 01 reliably remains in the elastic range and thus a plastic deformation of the printing plate 01 is avoided.
  • the deflection of the printing forme 01 along the bending edge 02; 12 is set by the movement of the at least one holding element 11 and / or the movement of the at least one support element 63 and / or the movement of the at least one pressing element 66 controlling control unit 17 within the elasticity properties of the material of the printing plate 01 predetermined limits variably.
  • the forced deflection of the printing forme 01 along the bending edge 02 Although described in connection with the feeding of this printing forme 01 to a forme cylinder 06 of a printing press, however, the forced deflection of the printing forme 01 can also be effective in releasing this printing forme 01 by a registering element 44 which aligns the printing forme 01 and thus in particular when discharging the latter Print form 01 to the respective forme cylinder 06 be advantageous.
  • a recess 56 is formed, which recess 56 is arranged on the relevant register element 44.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Claims (12)

  1. Procédé de liaison par complémentarité de formes d'une plaque d'impression (01) flexible à un élément de registre (44) et/ou de libération d'une telle liaison, dans lequel la plaque d'impression (01) présente au moins à l'une de ses extrémités respectives une branche d'accrochage (03 ; 13) repliée par rapport à sa surface de support (62) le long d'une arête flexible (02 ; 12) et, au moins sur cette branche d'accrochage (03 ; 13), un évidement (56) pourvu d'une embouchure (58) interrompant un bord (57) de la branche d'accrochage (03 ; 13), dans lequel la plaque d'impression (01) est reliée au moins dans l'embouchure (58) de cet évidement (56) à l'élément de registre (44), dans lequel au moins une partie de la plaque d'impression (01) est fléchie à la suite d'une flexion, ce qui entraîne la formation d'une ligne de flexion s'étendant parallèlement à l'arête flexible (02 ; 12) de cette plaque d'impression (01), caractérisé en ce que cette flexion de la plaque d'impression (01) est forcée par au moins un élément de retenue (11) retenant cette plaque d'impression (01) au moins pendant la liaison de la plaque d'impression (01) à l'élément de registre (44) en coopération avec au moins un élément d'appui (63) servant d'appui à la surface de support (62) de cette plaque d'impression (01) et/ou en coopération avec au moins un élément de pression (66) exerçant une pression sur cette plaque d'impression (01) dans un contact avec le côté image imprimée de cette plaque d'impression (01), dans lequel la flexion de la plaque d'impression (01) et l'embouchure (58) de l'évidement (56) formé sur la branche d'accrochage (03 ; 13) s'étendent dans une même direction par rapport à la surface de support (62) de cette plaque d'impression (01), dans lequel cette flexion permet de déformer élastiquement la plaque d'impression (01) dans la zone de son évidement (56), dans lequel la déformation élastique de la plaque d'impression (01) dans la zone de son évidement (56) permet d'élargir au moins l'embouchure (58) de cet évidement (56) en comparaison d'un état non fléchi de la plaque d'impression (01), dans lequel la force provoquant la flexion permanente de la plaque d'impression (01) le long de l'arête flexible (02 ; 12) est limitée par une délimitation d'une course de réglage du au moins un élément de retenue (11) mobile ou du au moins un élément d'appui (63) mobile ou du au moins un élément de pression (66) mobile à un tel point que la déformation de la plaque d'impression (01) reste dans la plage élastique.
  2. Procédé selon la revendication 1, caractérisé en ce que la plaque d'impression (01), du fait de sa liaison à l'élément de registre (44), est orientée par rapport à un cylindre porte-plaque (06) logeant cette plaque d'impression (01).
  3. Procédé selon la revendication 1 et/ou 2, caractérisé en ce que la plaque d'impression (01) est retenue par le au moins un élément de retenue (11) soit sur son côté image imprimée soit sur sa surface de support (62).
  4. Procédé selon la revendication 1 et/ou 2 et/ou 3, caractérisé en ce que la flexion de la plaque d'impression (01) est forcée par deux éléments de retenue (11) agencés à distance l'un de l'autre l'un à côté de l'autre de manière longitudinale par rapport à l'arête flexible (02 ; 12), en coopération avec au moins un élément d'appui (63) servant d'appui à la surface de support (62) de cette plaque d'impression (01) et/ou en coopération avec au moins un élément de pression (66) exerçant une pression sur cette plaque d'impression (01) dans un contact avec le côté image imprimée de cette plaque d'impression (01), dans lequel soit ces éléments de retenue (11) exécutent un mouvement l'un par rapport à l'autre ou par rapport au au moins un élément d'appui (63) et/ou par rapport au au moins un élément de pression (66) soit dans lequel le au moins un élément d'appui (63) et/ou le au moins un élément de pression (66) exécutent un mouvement respectivement par rapport aux éléments de retenue (11).
  5. Procédé selon la revendication 4, caractérisé en ce que les deux éléments de retenue (11) sont limités l'un par rapport à l'autre.
  6. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5, caractérisé en ce que le au moins un élément de retenue (11) mobile et/ou le au moins un élément d'appui (63) mobile et/ou le au moins un élément de pression (66) mobile exécutent respectivement un mouvement perpendiculairement à la surface de support (62) de la plaque d'impression (01) ou perpendiculairement au côté image imprimée de la plaque d'impression (01) et exercent ainsi une force dirigée verticalement sur l'arête flexible (02 ; 12).
  7. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5 et/ou 6, caractérisé en ce qu'une course élastique (f) de la flexion de la plaque d'impression (01) est réglée par une unité de commande (17) commandant le mouvement du au moins un élément de retenue (11) et/ou du au moins un élément d'appui (63) et/ou du au moins un élément de pression (66).
  8. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5 et/ou 6 et/ou 7, caractérisé en ce que la course élastique (f) de la flexion de la plaque d'impression (01) est réglée au maximum sur la grandeur d'une hauteur de contact au sol (h1 ; h2) de la branche d'accrochage (03 ; 13) concernée, laquelle hauteur est perpendiculaire à la longueur étirée (l1) de cette plaque d'impression (01), dans lequel la hauteur de contact au sol (h1 ; h2) de la branche d'accrochage (03 ; 13) concernée s'étend du bord (57) formé le long du grand côté respectif de cette plaque d'impression (01) au côté image imprimée de cette plaque d'impression (01).
  9. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5 et/ou 6 et/ou 7 et/ou 8, caractérisé en ce que l'élargissement au moins de l'embouchure (58) de l'évidement (56), lequel élargissement est réalisé en comparaison de l'état non fléchi de la plaque d'impression (01), s'effectue de telle manière que les deux côtés entaillés (61) de l'évidement (56) concerné, lesquels côtés s'étendent respectivement parallèlement à la ligne de symétrie (54), sont écartés respectivement par rapport à la ligne de symétrie (54) avant la déformation élastique de la plaque d'impression (01), dans lequel un angle d'écartement (ε) formé entre la ligne de symétrie (54) et le côté entaillé (61) respectif de l'évidement (56) concerné est compris entre 0,05° et jusqu'à 5°.
  10. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5 et/ou 6 et/ou 7 et/ou 8 et/ou 9, caractérisé en ce que l'évidement (56) concerné de la plaque d'impression (01) et l'élément de registre (44) à relier à cette plaque d'impression (01) sont adaptés l'un à l'autre selon un ajustement avec jeu ou selon un ajustement de transition ou selon un ajustement avec serrage.
  11. Procédé selon la revendication 1 et/ou 2 et/ou 3 et/ou 4 et/ou 5 et/ou 6 et/ou 7 et/ou 8 et/ou 9 et/ou 10, caractérisé en ce que la plaque d'impression (01) est agencée sur un cylindre porte-plaque (06) d'une machine à imprimer, dans lequel la plaque d'impression (01) est tirée sur une arête (04) d'un canal (07) formé dans le cylindre porte-plaque (06), dans lequel cette arête (04) s'étend de manière longitudinale par rapport à la direction axiale du cylindre porte-plaque (06).
  12. Procédé selon la revendication 11, caractérisé en ce qu'on met fin à la flexion de la plaque d'impression (01) une fois que la plaque d'impression (01) s'applique contre l'arête (04) du canal (07) formé dans le cylindre porte-plaque (06).
EP13160760.8A 2012-03-29 2013-03-25 Procédé de liaison par complémentarité de forme d'un bloc d'impression souple avec un élément de repérage et/ou de séparation d'une telle liaison Active EP2644381B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012205094A DE102012205094B3 (de) 2012-03-29 2012-03-29 Verfahren zum formschlüssigen Verbinden einer biegsamen Druckform mit einem Registerelement und/oder zum Trennen einer solchen Verbindung

Publications (3)

Publication Number Publication Date
EP2644381A2 EP2644381A2 (fr) 2013-10-02
EP2644381A3 EP2644381A3 (fr) 2016-10-26
EP2644381B1 true EP2644381B1 (fr) 2018-11-28

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EP13160760.8A Active EP2644381B1 (fr) 2012-03-29 2013-03-25 Procédé de liaison par complémentarité de forme d'un bloc d'impression souple avec un élément de repérage et/ou de séparation d'une telle liaison

Country Status (2)

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EP (1) EP2644381B1 (fr)
DE (1) DE102012205094B3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727807A (en) * 1985-09-30 1988-03-01 Tokyo Kikai Seisakusho Apparatus for automatically mounting and removing printing plates in rotary printing press
DE4424903C2 (de) * 1994-01-17 1998-08-27 Koenig & Bauer Albert Ag Vorrichtung zur Montage, Demontage und Transport von leicht biegbaren, bogenförmigen Gegenständen mit Einhängeabkantungen
DE10228971B4 (de) * 2002-06-26 2009-12-31 Koenig & Bauer Aktiengesellschaft Biegsamer Aufzug zur Verwendung auf einem Zylinder einer Rotationsdruckmaschine
DE102004052020B8 (de) * 2004-10-26 2013-07-04 Wifag Maschinenfabrik Ag Druckformmanipulator
DE102006017222A1 (de) * 2005-06-28 2007-01-04 Koenig & Bauer Ag Zylinder einer Rotationsdruckmaschine mit mindestens einem sich in Axialrichtung dieses Zylinders unter dessen Mantelfläche erstreckenden Kanal
EP2057018B1 (fr) * 2006-09-01 2013-05-08 Koenig & Bauer AG Cylindre porte-cliché d'imprimante comprenant plusieurs sections qui se suivent dans sa direction axiale sur sa surface périphérique, et groupe d'impression comprenant ce cylindre porte-cliché
DE102007030174B3 (de) * 2007-06-27 2008-10-23 Koenig & Bauer Aktiengesellschaft Verfahren zum Montieren einer biegsamen Druckform auf einem Formzylinder einer Rotationsdruckmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102012205094B3 (de) 2013-04-04
EP2644381A3 (fr) 2016-10-26
EP2644381A2 (fr) 2013-10-02

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