EP3851280B1 - Device for handling printing plates on a printing machine - Google Patents

Device for handling printing plates on a printing machine Download PDF

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Publication number
EP3851280B1
EP3851280B1 EP20180239.4A EP20180239A EP3851280B1 EP 3851280 B1 EP3851280 B1 EP 3851280B1 EP 20180239 A EP20180239 A EP 20180239A EP 3851280 B1 EP3851280 B1 EP 3851280B1
Authority
EP
European Patent Office
Prior art keywords
pallet
printing
printing plates
plates
latch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20180239.4A
Other languages
German (de)
French (fr)
Other versions
EP3851280A1 (en
Inventor
Suat Demir
Robert Hupe
Markus Möhringer
Felix Ronellenfitsch
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to CN202110011205.XA priority Critical patent/CN113147173B/en
Publication of EP3851280A1 publication Critical patent/EP3851280A1/en
Application granted granted Critical
Publication of EP3851280B1 publication Critical patent/EP3851280B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/50—Devices for storing printing plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/60—Devices for transferring printing plates
    • B41P2227/62—Devices for introducing printing plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/60—Devices for transferring printing plates
    • B41P2227/63—Devices for removing printing plates

Definitions

  • the present invention relates to a device for handling printing plates on a printing press, comprising at least one pallet for receiving the printing plates.
  • a device for handling printing plates on a printing press comprising at least one pallet for receiving the printing plates, with a latch for securing the printing plates in the pallet being present, the latch as a Part of the pallet is attached to this, characterized in that an actuator for actuating the bolt is arranged on a component of the device that is separate from the pallet.
  • a pallet is also understood to mean a platter or tray or a bowl.
  • the bolt prevents the printing plates from falling off the pallet, even in the case of abrupt pallet movements and critical pallet positions.
  • An additional advantage is that the arrangement of the actuator makes it possible to use it for actuating the bolts of several pallets, preferably one after the other.
  • the printing machine can be a sheet-fed printing machine in in-line design, e.g. B. a Perfect for perfecting.
  • the printing press can have a sheet feeder and a sheet delivery.
  • the printing units mentioned can be offset printing units, the printing plates being offset printing plates.
  • the printing machine can have one or more additional printing units, e.g. B. Flexographic printing units for varnishing.
  • the latch can be adjustable in a plane that extends parallel with leading edges and trailing edges of the printing plates located in the pallet.
  • the plane can extend parallel with a floor of the pallet.
  • the bottom can form a closed surface or a broken surface, e.g. B. a latticework.
  • the pallet may have side walls that border the floor.
  • the floor can be rectangular, with the border of the floor being closed all around by the side walls, with the pallet forming a shell, or it can be absent or open on one or more of the four sides.
  • the latch can be a slide latch that is linearly adjustable.
  • a design of the bolt as a swivel bolt is preferred, with the bolt being arranged such that it can pivot about an axis. This geometric axis is orthogonally oriented relative to said plane in which the bolt is adjustable.
  • the actuator can be an electric motor, combined, e.g. B. in the case of the sliding bolt, with a worm gear or combined, z. B. in the case of the swing bolt, with a worm gear.
  • a working cylinder e.g. B. as a hydraulic cylinder or preferably as a pneumatic cylinder.
  • a coupling can be present, via which the bolt can be coupled to the actuator.
  • the clutch comprises a first clutch half and a second clutch half which is arranged on the actuator or the downstream gear (e.g. said screw or worm gear).
  • the first coupling half is arranged on the pallet, specifically on the bar. In the case of a plurality of pallets, a first coupling half can be arranged on each pallet, specifically on each bar, it being possible for the first coupling halves to be structurally identical to one another.
  • the coupling can be a plug-in coupling. With the plug-in coupling, the first coupling half and the second coupling half can be plugged together when coupling. Coupling can occur positively when the pallet and the component on which the actuator is arranged are brought into contact with one another.
  • the plug-in coupling can have a pin, e.g. B. a pin or a roller, and a recess, z. B. a slot, a groove or a bore, whereby the two coupling halves can be formed. The entry of the pin into the recess enables the actuator and the bolt to be coupled to one another, so that the actuator can drive the bolt via the closed clutch.
  • clamp for securing the printing plates in the pallet, which clamp may be located on a component of the apparatus separate from the pallet.
  • This component can either be identical to that component or together form a structural unit on which the actuator is arranged.
  • the clamp can be moved relative to the component to which it is attached to clamp the printing plates in the pallet.
  • the clamp can be adjustable in one plane, e.g. B. pivoted, which extends orthogonally to the leading edges and trailing edges of the printing plates located in the pallet.
  • the clamp can be pivotable about an axis. This geometric axis can extend in parallel with the leading edges and trailing edges of the printing plates located in the pallet.
  • terminals can work synchronously with each other and both on the same edge, z. b. the rear edge with the rear edge or the front edge with the front edge, can attack the uppermost printing plate of the plate stack in the pallet.
  • the terminals can be arranged on various components which together form a structural unit, e.g. B. a pallet carrier.
  • the bolt can be in a release position for releasing the printing plates and, at the same time, the clamp can be in a clamping position for securing the printing plates.
  • This operating situation can occur regularly, e.g. B. when removing the printing plates from the pallet.
  • the clamp can periodically clamp and release the printing plates in the pallet, e.g. B. in a conveying cycle of the printing plates with an automated removal of the printing plates (here: new plates) one after the other from the pallet and/or with an automated storage of the printing plates (here: old plates) one after the other in the pallet.
  • a printing machine 1 comprises printing units 2, 3 arranged in a row for offset printing on sheets, which form a stack 5 in a feeder 4.
  • Each printing unit 2, 3 is equipped with a plate changer 6, 7 for printing plates 8, which has a shaft 9 for fresh printing plates 8 - so-called new plates - and a shaft 10 for used printing plates 8 - so-called old plates.
  • the printing machine 1 is combined with a plate logistics system that promotes the printing plates 8 to the plate changers 6, 7 and back again after use. The operator removes a pallet 12 containing the printing plates 8 from a floor conveyor 11 and transfers the pallet 12 to a pallet lift 13.
  • the orthogonal coordinate system in the drawing includes the vertical direction z and horizontal directions x, y, where x corresponds to the longitudinal direction and y to the transverse direction of the printing machine 1.
  • the pallet lift 13 is arranged in front of the feeder 4 in the x direction and transports the pallet 12 along the z and y directions to a loading station 14 which is arranged above the stack 5 and a suction head 15 of the feeder 4 .
  • the loading station 14 is used to unload the new boards from the pallet 12 and to load them with old boards and has a first pallet carrier 16 and a second pallet carrier 17 which are arranged one behind the other in the y direction.
  • the pallet lift 13 has a third pallet carrier 18 .
  • the first pallet carrier 16 and the second pallet carrier 17 are fastened to a carriage 20 via a plurality of linkages 19, which is guided by a rail 21 and adjustable in direction y.
  • the third pallet carrier 18 passes through that pallet carrier 16 or 17 which has previously been moved along the rail 21 in a direction x aligned opposite to the third pallet carrier 18 . With this reaching through, the third pallet carrier 18 transfers or accepts the pallet to or from the other pallet carrier 16 or 17.
  • a pivoting arm 23 belonging to the loading station 14 and having a transport side 25 for the printing plates 8 can be pivoted at its lower end about an axis 24 running in the y direction.
  • the swing arm 23 is from its respect figure 1 left end position (shown in solid line) to its right end position (shown in phantom line) and back again, flipping past its vertical orientation each time.
  • the transport side 25 rises obliquely to the top right and extends parallel to the first pallet carrier 16 or second pallet carrier 17 and the respective pallet 12 or 26 therein.
  • the transport side 25 rises obliquely to the top left and it extends parallel or flush with a transport run of a first conveyor belt 27 of a belt conveyor 28 which is arranged above a sheet feed table 29 of the feeder 4.
  • the swivel arm 23 has lifting suction cups 30, which extend from the transport side 25 and take the respective uppermost printing plate 8 of the stack of plates on the pallet 12.
  • the swivel arm 23 swivels with the printing plate 8 sucked in by the suction lifters 30 from the right to the left end position, where the suction lifters 30 move back into the swivel arm 23 in order to deposit the printing plate 8 that has been gripped on the first conveyor belt 27 . Thereafter, the working cycle of the swivel arm 23, which removes the printing plates 8 one after the other from the pallet 12 and places them on the belt conveyor 28, is repeated.
  • the belt conveyor 28 includes a second conveyor belt 31, which is pivotally mounted by an actuator 52 about a geometric axis 32 in a first operating position (shown in solid line) and second operating position (shown in phantom line) alternately.
  • the second conveyor belt 31 is aligned vertically in the first operating position and forms a common conveying plane 33 with the first conveyor belt 27 in the second operating position.
  • the two conveyor belts 27, 31 each consist of a plurality of endless belts which are of the same length and run parallel to one another around deflection rollers.
  • deflection rollers over which the endless belts of the first conveyor belt 27 run, arranged alternately with deflection rollers over which the endless belts of the second conveyor belt 31 run.
  • the endless belts of the second conveyor belt 31 run in a gap between the endless belts of the second conveyor belt 27.
  • the swivel arm 23 has a row of teeth running in direction y, which are aligned with the gaps between the endless belts of the first conveyor belt 27 and mesh with these gaps in the left end position of the swivel arm 23.
  • the first and second conveyor belts 27, 31 are designed as suction belts, on which the printing plate 8 is held by vacuum during its transport, and each comprise a vacuum box.
  • the vacuum box sucks the pressure plate 8 through the gaps between the endless belts or perforations in the endless belts, so that it is held pneumatically on the endless belts.
  • the belt conveyor 28 transfers the new plates to a plate conveyor 34, which is arranged above the printing units 2, 3, and later takes over the old plates from the plate conveyor 34.
  • the plate conveyor 34 comprises carriages 35, the number of which corresponds to that of the printing units 2, 3 to be supplied with the printing plates 8.
  • the carriages 35 are fastened to an endless traction device 36 or mesh with it, specifically a toothed belt, and are driven jointly by a drive wheel 37 via the traction device 36 .
  • the traction mechanism 36 runs with respect to the conveying of the new plates from the loading station 14 to the printing units 6, 7 figure 1 clockwise and when conveying the old plates from the printing units 2, 3 to the loading station 14 counterclockwise.
  • An electric motor connected to the drive wheel 37 as a direct drive is reversed accordingly in order to bring about the change in direction of the traction mechanism 36 .
  • a rail system 38 for guiding the carriage 35 comprises an upper rail piece 39 and a lower rail piece, which is formed by a horizontal rail 40 running in direction x.
  • the entire rail system 38 has an oval or oblong ring shape along which the carriages 35 circulate.
  • the upper and lower rails which are straight and parallel to each other, are connected to each other at their ends by arcuate rails.
  • Cantilever beams 41 with grippers 42 for holding the printing plates 8 by clamping are arranged on the carriages 35 .
  • the bars 41 extend in the y direction over their length, with each bar 41 being at least as long as in the y direction the pressure plate is 8 wide.
  • the number of grippers 42 arranged in a row on a shaft 49 per bar 41 is two in the example and can also be three. When they are transported synchronously with one another along the horizontal rail 40, the pressure plates 8 hang vertically on the beams 41.
  • Control curves 44 for actuating the grippers 42, the carriages 35 with the beams 41, the rail system 38 for guiding the carriages 35 and the traction means 36 for driving the carriages 35 are arranged on a plate 43.
  • the plate 43 is supported by uprights 45, each of which is associated with a different printing unit 2,3.
  • the stands 45 can be designed as telescopic rail guides 50 .
  • Each stand 45 forms or includes a vertical rail 46 for guiding the plate 43.
  • the actuators can be arranged inside the stand 45 .
  • the downward adjustment of the rail system 38 serves to synchronously insert the new plates into the plate changers 6, 7, specifically the shafts 9.
  • Said upward adjustment serves to also synchronously pull out the old plates from the plate changers 6, 7, specifically the shafts 10.
  • the cams 44 are arranged on a rod 47 on which an actuator 48 engages, which moves the rod 47 in direction x to move the rod 47 to the required position, e.g. B. to open the gripper 42 to switch.
  • Each control cam 44 has a slope inclined towards the x direction, which when the control cam 44 is adjusted in the x direction presses on a cam roller 51 on the plate 43, as a result of which the rod 47 is displaced in the y direction in order to release the grippers via levers connected to the grippers 42 42 to press.
  • the second conveyor belt 31 When the respective printing plate 8 is transferred from the second conveyor belt 31 to the corresponding beam 41, the second conveyor belt 31 is folded down, ie it is in its said first operating position.
  • the pressure plate 8 to be transferred and which is in a vertical position is held on the latter pneumatically, ie by the suction box of the second conveyor belt 31 .
  • the end pointing upwards Pressure plate 8 protrudes beyond the second conveyor belt 31 and the conveying plane 33 and can therefore be easily gripped by the grippers 42.
  • a hook-shaped fold of said protruding end of the printing plate 8 is used to securely fasten the printing plate 8 on the plate cylinder of the printing unit and has the additional effect of securing the printing plate 8 against it slipping out of the grippers 42, which are then closed.
  • the carriage 20 with the first and second pallet carriers 16, 17 is moved along the rail 21 in direction y.
  • the first pallet carrier 16, with the pallet 12 still filled with the new plates, is brought into an active position with the first pallet carrier 16 aligned opposite with respect to direction x with the swivel arm 23 and the second pallet carrier 17 arrives in a passive position on the drive side of the printing machine 1, such as this in figure 2 is shown.
  • the swivel arm 23 takes over the new boards one after the other from the pallet 12 and places them on the belt conveyor 28 .
  • the carriage 20 with the first and second pallet carriers 16, 17 is moved along the rail 21 in the opposite direction.
  • the second pallet carrier 17 with the still empty pallet 26 for the old plates is brought into the active position with the swivel arm 23 aligned opposite with respect to direction x and the first pallet carrier 16 moves into a passive position on the operating side of the printing press 1.
  • the swivel arm 23 takes over when Load the old boards one by one from the belt conveyor 28 and place them in the pallet 26.
  • each pallet 12, 26 has a latch 53 attached thereto which is pivotable about a geometric axis 57 to a locked position and a release position.
  • the bolt 53 does not overlap the pressure plates 8 .
  • the pivot angle of the bolt 53 to be measured in a plane 56 between the locking position and the release position can be approximately 90°. in the in figure 5 shown locked position of the bolt 53 overlaps the stack of printing plates 8 in the pallet 12 to secure the printing plates 8 against falling out of this.
  • a z. B. resilient to train spring 65 holds the bolt 53 in the locked position.
  • the spring 65 acts on a lever 64 which is firmly connected to the latch 53 and can be pivoted about the axis 57 together with the latter.
  • a z. B. pneumatic working cylinder serves as an actuator 54 for pivoting the bolt 53 from the locking position to the release position against the restoring action of the spring 65.
  • the actuator 54 is not attached to the pallet 12, but to another component 55, namely the pallet support 16.
  • the actuator 54 is coupled to the bolt 54 via a coupling 58 .
  • the clutch 58 comprises a pin 59 arranged on the lever 64 and a recess 60 arranged on the actuator 54 as clutch halves.
  • the pin 59 is inserted into the recess 60.
  • the pin 59 is located on a first arm of the lever 64 and the spring 65 acts on a second arm of the lever 64 .
  • the preferably U-shaped recess 60 is introduced into the piston rod or a piston rod extension of the actuating drive 54 and is open in the coupling direction—transverse to the actuating direction of the actuating drive 54 indicated by a double arrow.
  • An interchanged arrangement of pin 59 and recess 60 is also possible.
  • the spring 65 always keeps the bolt 53 in the locked position when the pallet 12 is not inserted into the pallet carrier 16 and z. B. is transported by the floor conveyor 11 or the pallet lift 13, so that the printing plates 8 are secured in the pallet 12 during this transport.
  • the latch 53 When the pallet 12 is in the pallet carrier 16 in order to unload the printing plates 8 from the pallet 12 (new plates) or to load them into the pallet 12 (old plates), the latch 53, in cooperation with clamps 61, secures the printing plates 8 in the pallet 12.
  • the bolt 53 is periodically pivoted back and forth between the release position and the locking position in the working cycle of the swivel arm 23 (loading or unloading cycle).
  • the clamps 61 are temporarily or periodically in their in figure 5 Clamping position shown with a solid line when the bolt 53 is in its release position.
  • a release position of the clamps 61 is in figure 5 shown with phantom line.
  • Each clamp 61 is connected to an actuator 66, e.g. B. a pneumatic working cylinder.
  • the actuators 66 pivot the clamps 61 about a geometric axis 63 and thereby in a plane 62 which is the image plane of figure 5 is.

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend mindestens eine Palette zum Aufnehmen der Druckplatten.The present invention relates to a device for handling printing plates on a printing press, comprising at least one pallet for receiving the printing plates.

In der DE 20 2009 016 761 U1 ist eine Transporteinrichtung für Druckplatten von Druckmaschinen mit einer Hubeinrichtung zum Transport der Druckplatten zu einer Einbauebene beschrieben. Diese Transporteinrichtung weist eine Führungsbahn und mindestens eine daran verfahrbare Gondel mit einer Trageinrichtung für mehrere Druckplatten auf.In the DE 20 2009 016 761 U1 describes a transport device for printing plates of printing presses with a lifting device for transporting the printing plates to an installation level. This transport device has a guideway and at least one gondola that can be moved thereon and has a carrying device for a plurality of printing plates.

In der DE 10 2009 039 050 A1 ist eine Rollenrotationsdruckmaschine mit einer Vorrichtung zur Handhabung von Druckplatten beschrieben. Diese Vorrichtung umfasst Druckplattenbehälter, in denen jeweils neue und alte Druckplatten aufgenommen werden können. Außerdem umfasst sie einen Lift, dem eine Schwenkeinrichtung zugeordnet ist, mit welcher die vom Lift aufgenommenen Druckplattenbehälter verschwenkt werden können. Ein Problem ist, dass die Druckplatten aus den Behältern herausfallen können, wenn die Schwenkbewegung nicht vorsichtig ausgeführt wird.In the DE 10 2009 039 050 A1 describes a web-fed rotary printing press with a device for handling printing plates. This device includes printing plate containers, in which respectively new and old printing plates can be accommodated. It also includes a lift, to which a pivoting device is assigned, with which the printing plate containers accommodated by the lift can be pivoted. One problem is that the printing plates can fall out of the containers if the pivoting movement is not performed carefully.

Deshalb ist es Aufgabe der Erfindung, eine Vorrichtung mit größerer Bewegungsfreiheit zu schaffen.It is therefore the object of the invention to create a device with greater freedom of movement.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst, nämlich durch eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend mindestens eine Palette zum Aufnehmen der Druckplatten, wobei ein Riegel zum Sichern der Druckplatten in der Palette vorhanden ist, wobei der Riegel als ein Bestandteil der Palette an dieser befestigt ist, dadurch gekennzeichnet, dass ein Stellantrieb zum Betätigen des Riegels an einem von der Palette separaten Bauteil der Vorrichtung angeordnet ist.This object is achieved by the features of claim 1, namely by a device for handling printing plates on a printing press, comprising at least one pallet for receiving the printing plates, with a latch for securing the printing plates in the pallet being present, the latch as a Part of the pallet is attached to this, characterized in that an actuator for actuating the bolt is arranged on a component of the device that is separate from the pallet.

Unter Palette wird im Zusammenhang mit vorliegender Erfindung auch ein Tablett oder Tray oder eine Schale verstanden.In connection with the present invention, a pallet is also understood to mean a platter or tray or a bowl.

Der Riegel verhindert ein Herunterfallen der Druckplatten von der Palette auch bei abrupten Palettenbewegungen und kritischen Palettenlagen.The bolt prevents the printing plates from falling off the pallet, even in the case of abrupt pallet movements and critical pallet positions.

Ein Zusatzvorteil ist es, dass durch die Anordnung des Stellantriebs ermöglicht wird, diesen zur vorzugsweise nacheinander erfolgenden Betätigung der Riegel mehrerer Paletten einzusetzen.An additional advantage is that the arrangement of the actuator makes it possible to use it for actuating the bolts of several pallets, preferably one after the other.

Vorteilhafte Weiterbildungen der vorliegenden Erfindung sind Gegenstand der abhängigen Ansprüche.Advantageous developments of the present invention are the subject matter of the dependent claims.

Die nachfolgend beschriebenen Weiterbildungen der Erfindung sind einzeln oder - soweit sie sich einander technisch nicht ausschließen - in beliebiger Kombination miteinander realisierbar:
Die Druckmaschine kann eine Bogendruckmaschine in Reihenbauweise sein, z. B. ein Perfekter für Schön- und Widerdruck. Die Druckmaschine kann einen Bogenanleger und einen Bogenausleger aufweisen. Die genannten Druckwerke können Offsetdruckwerke sein, wobei die Druckplatten Offsetdruckplatten sind. Die Druckmaschine kann ein oder mehrere zusätzliche Druckwerke aufweisen, z. B. Flexodruckwerke zum Lackieren.The developments of the invention described below can be implemented individually or - insofar as they are not technically mutually exclusive - in any combination with one another:
The printing machine can be a sheet-fed printing machine in in-line design, e.g. B. a Perfect for perfecting. The printing press can have a sheet feeder and a sheet delivery. The printing units mentioned can be offset printing units, the printing plates being offset printing plates. The printing machine can have one or more additional printing units, e.g. B. Flexographic printing units for varnishing.

Der Riegel kann in einer Ebene verstellbar sein, die sich parallel mit Vorderkanten und Hinterkanten der Druckplatten, welche sich in der Palette befinden, erstreckt. Die Ebene kann sich parallel mit einem Boden der Palette erstrecken. Der Boden kann eine geschlossene Fläche oder eine durchbrochene Fläche bilden, z. B. ein Gitterwerk. Die Palette kann Seitenwände aufweisen, die den Boden umranden. Der Boden kann rechteckig sein, wobei die Umrandung des Bodens von den Seitenwänden rundum geschlossen sein kann, wobei die Palette eine Schale bildet, oder an einer oder mehreren der vier Seiten nicht vorhanden bzw. offen sein kann.The latch can be adjustable in a plane that extends parallel with leading edges and trailing edges of the printing plates located in the pallet. The plane can extend parallel with a floor of the pallet. The bottom can form a closed surface or a broken surface, e.g. B. a latticework. The pallet may have side walls that border the floor. The floor can be rectangular, with the border of the floor being closed all around by the side walls, with the pallet forming a shell, or it can be absent or open on one or more of the four sides.

Der Riegel kann ein Schieberiegel sein, der linear verstellbar ist. Bevorzugt wird jedoch eine Ausbildung des Riegels als Schwenkriegel, wobei der Riegel um eine Achse schwenkbar angeordnet ist. Diese geometrische Achse ist relativ zu besagter Ebene, in welcher der Riegel verstellbar ist, orthogonal orientiert.The latch can be a slide latch that is linearly adjustable. However, a design of the bolt as a swivel bolt is preferred, with the bolt being arranged such that it can pivot about an axis. This geometric axis is orthogonally oriented relative to said plane in which the bolt is adjustable.

Der Stellantrieb kann ein Elektromotor sein, kombiniert, z. B. im Fall des Schieberiegels, mit einem Schraubengetriebe oder kombiniert, z. B. im Fall des Schwenkriegels, mit einem Schneckengetriebe. Bevorzugt wird jedoch eine Ausbildung des Stellantriebs als Arbeitszylinder, z. B. als Hydraulikzylinder oder vorzugsweise als Pneumatikzylinder.The actuator can be an electric motor, combined, e.g. B. in the case of the sliding bolt, with a worm gear or combined, z. B. in the case of the swing bolt, with a worm gear. However, preference is given to designing the actuator as a working cylinder, e.g. B. as a hydraulic cylinder or preferably as a pneumatic cylinder.

Es kann eine Kupplung vorhanden sein, über welche der Riegel mit dem Stellantrieb koppelbar ist. Die Kupplung umfasst eine erste Kupplungshälfte und eine zweite Kupplungshälfte, die an dem Stellantrieb oder dem nachgeschalteten Getriebe (z. B. besagtes Schrauben- oder Schneckengetriebe) angeordnet ist. Die erste Kupplungshälfte ist an der Palette, speziell am Riegel, angeordnet. Im Fall von einer Mehrzahl von Paletten kann an jeder Palette, speziell an jedem Riegel, eine erste Kupplungshälfte angeordnet sein, wobei die ersten Kupplungshälften miteinander baugleich sein können.A coupling can be present, via which the bolt can be coupled to the actuator. The clutch comprises a first clutch half and a second clutch half which is arranged on the actuator or the downstream gear (e.g. said screw or worm gear). The first coupling half is arranged on the pallet, specifically on the bar. In the case of a plurality of pallets, a first coupling half can be arranged on each pallet, specifically on each bar, it being possible for the first coupling halves to be structurally identical to one another.

Die Kupplung kann eine Steckkupplung sein. Bei der Steckkupplung können die erste Kupplungshälfte und die zweite Kupplungshälfte beim Kuppeln zusammengesteckt werden. Das Kuppeln kann zwangsläufig erfolgen, wenn die Palette und das Bauteil, an welchem der Stellantrieb angeordnet ist, miteinander in Kontakt gebracht werden. Die Steckkupplung kann einen Zapfen, z. B. einen Stift oder eine Rolle, und eine Aussparung, z. B. einen Schlitz, eine Nut oder eine Bohrung, umfassen, wodurch die beiden Kupplungshälften gebildet werden können. Durch den Eintritt des Zapfens in die Aussparung können der Stellantrieb und der Riegel miteinander gekuppelt werden, so dass der Stellantrieb den Riegel über die geschlossene Kupplung antreiben kann.The coupling can be a plug-in coupling. With the plug-in coupling, the first coupling half and the second coupling half can be plugged together when coupling. Coupling can occur positively when the pallet and the component on which the actuator is arranged are brought into contact with one another. The plug-in coupling can have a pin, e.g. B. a pin or a roller, and a recess, z. B. a slot, a groove or a bore, whereby the two coupling halves can be formed. The entry of the pin into the recess enables the actuator and the bolt to be coupled to one another, so that the actuator can drive the bolt via the closed clutch.

Es kann mindestens eine Klemme zum Sichern der Druckplatten in der Palette vorhanden sein, wobei die Klemme an einem von der Palette separaten Bauteil der Vorrichtung angeordnet sein kann. Dieses Bauteil kann mit jenem Bauteil entweder identisch sein oder gemeinsam eine Baueinheit bilden, an welcher der Stellantrieb angeordnet ist. Die Klemme kann relativ zu dem Bauteil, an dem sie befestigt ist, bewegt werden, um die Druckplatten in der Palette festzuklemmen.There may be at least one clamp for securing the printing plates in the pallet, which clamp may be located on a component of the apparatus separate from the pallet. This component can either be identical to that component or together form a structural unit on which the actuator is arranged. The clamp can be moved relative to the component to which it is attached to clamp the printing plates in the pallet.

Die Klemme kann in einer Ebene verstellbar sein, z. B. schwenkbar, die sich orthogonal zu den Vorderkanten und Hinterkanten der in der Palette befindlichen Druckplatten erstreckt. Die Klemme kann um eine Achse schwenkbar sein. Diese geometrische Achse kann sich parallel mit den Vorderkanten und Hinterkanten der in der Palette befindlichen Druckplatten erstrecken.The clamp can be adjustable in one plane, e.g. B. pivoted, which extends orthogonally to the leading edges and trailing edges of the printing plates located in the pallet. The clamp can be pivotable about an axis. This geometric axis can extend in parallel with the leading edges and trailing edges of the printing plates located in the pallet.

Es können mehrere und z. B. zwei solche Klemmen vorhanden sein, die miteinander synchron arbeiten können und dabei beide an ein und demselben Rand, z. b. dem hinteren Rand mit der Hinterkante oder dem vorderen Rand mit der Vorderkante, der obersten Druckplatte des Plattenstapels in der Palette angreifen können. Die Klemmen können an verschiedenen Bauteilen angeordnet sein, die zusammen eine Baueinheit bilden, z. B. einen Palettenträger.There can be several and z. B. two such terminals may be present, which can work synchronously with each other and both on the same edge, z. b. the rear edge with the rear edge or the front edge with the front edge, can attack the uppermost printing plate of the plate stack in the pallet. The terminals can be arranged on various components which together form a structural unit, e.g. B. a pallet carrier.

In einer Betriebssituation können sich der Riegel in einer Freigabestellung zum Freigeben der Druckplatten und gleichzeitig die Klemme in einer Klemmstellung zum Sichern der Druckplatten befinden. Diese Betriebssituation kann regelmäßig auftreten, z. B. bei der Entnahme der Druckplatten aus der Palette. Die Klemme kann die Druckplatten in der Palette im periodischen Wechsel klemmen und freigeben, z. B. in einem Fördertakt der Druckplatten bei einer automatisierten Entnahme der Druckplatten (hier: Neuplatten) nacheinander aus der Palette und/oder bei einer automatisierten Ablage der Druckplatten (hier: Altplatten) nacheinander in der Palette.In an operating situation, the bolt can be in a release position for releasing the printing plates and, at the same time, the clamp can be in a clamping position for securing the printing plates. This operating situation can occur regularly, e.g. B. when removing the printing plates from the pallet. The clamp can periodically clamp and release the printing plates in the pallet, e.g. B. in a conveying cycle of the printing plates with an automated removal of the printing plates (here: new plates) one after the other from the pallet and/or with an automated storage of the printing plates (here: old plates) one after the other in the pallet.

Weitere Weiterbildungen, welche einzeln oder - soweit sie sich einander technisch nicht ausschließen - in beliebiger Kombination miteinander oder mit den zuvor bereits genannten Weiterbildungen realisierbar sind, ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels und der zugehörigen Zeichnung.Further developments, which can be implemented individually or—insofar as they are not technically mutually exclusive—can be implemented in any combination with one another or with the previously mentioned developments, result from the following description of an exemplary embodiment and the associated drawing.

Darin zeigt:

Figur 1
eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine in Seitenansicht,
Figur 2
die Vorrichtung aus Figur 1 in Draufsicht,
Figur 3
eine Modifikation der Vorrichtung aus den Figuren 1 und 2 in Seitenansicht,
Figur 4
die Modifikation aus Figur 3 in Draufsicht,
Figur 5
ein Detail der Modifikation aus Figur 3 in Vergrößerung,
Figur 6
das Detail aus Figur 5 entsprechend Blickrichtung VI und
Figur 7
das Detail aus Figur 5 entsprechend Blickrichtung VII.
It shows:
figure 1
a device for handling printing plates on a printing press in side view,
figure 2
the device off figure 1 in top view,
figure 3
a modification of the device from the figures 1 and 2 in side view,
figure 4
the modification off figure 3 in top view,
figure 5
a detail of the modification figure 3 in enlargement,
figure 6
the detail out figure 5 according to viewing direction VI and
figure 7
the detail out figure 5 according to viewing direction VII.

Eine Druckmaschine 1 umfasst in Reihe angeordnete Druckwerke 2, 3 für Offsetdruck auf Bogen, die in einem Anleger 4 einen Stapel 5 bilden. Jedes Druckwerk 2, 3 ist mit einem Plattenwechsler 6, 7 für Druckplatten 8 ausgestattet, der einen Schacht 9 für frische Druckplatten 8 - sogenannte Neuplatten - und einen Schacht 10 für gebrauchte Druckplatten 8 - sogenannte Altplatten - aufweist. Die Druckmaschine 1 ist mit einem Plattenlogistiksystem kombiniert, das die Druckplatten 8 zu den Plattenwechslern 6, 7 und nach Gebrauch wieder zurück fördert. Der Bediener entnimmt eine Palette 12 mit den Druckplatten 8 darin aus einem Flurfördermittel 11 und übergibt die Palette 12 an einen Palettenlift 13.A printing machine 1 comprises printing units 2, 3 arranged in a row for offset printing on sheets, which form a stack 5 in a feeder 4. Each printing unit 2, 3 is equipped with a plate changer 6, 7 for printing plates 8, which has a shaft 9 for fresh printing plates 8 - so-called new plates - and a shaft 10 for used printing plates 8 - so-called old plates. The printing machine 1 is combined with a plate logistics system that promotes the printing plates 8 to the plate changers 6, 7 and back again after use. The operator removes a pallet 12 containing the printing plates 8 from a floor conveyor 11 and transfers the pallet 12 to a pallet lift 13.

Das orthogonale Koordinatensystem in der Zeichnung beinhaltet die vertikale Richtung z und horizontale Richtungen x, y, wobei x der Längsrichtung und y der Querrichtung der Druckmaschine 1 entspricht.The orthogonal coordinate system in the drawing includes the vertical direction z and horizontal directions x, y, where x corresponds to the longitudinal direction and y to the transverse direction of the printing machine 1.

Der Palettenlift 13 ist in Richtung x vor dem Anleger 4 angeordnet und transportiert die Palette 12 entlang der Richtungen z und y zu einer Ladestation 14, die über dem Stapel 5 und einem Saugkopf 15 des Anlegers 4 angeordnet ist. Die Ladestation 14 dient dem Entladen der Neuplatten aus der Palette 12 und dem Beladen mit Altplatten und weist einen ersten Palettenträger 16 und zweiten Palettenträger 17 auf, die in Richtung y hintereinander angeordnet sind. Der Palettenlift 13 weist einen dritten Palettenträger 18 auf. Der erste Palettenträger 16 und der zweite Palettenträger 17 sind über mehrere Koppelgetriebe 19 an einem Schlitten 20 befestigt, der von einer Schiene 21 geführt in Richtung y verstellbar ist.The pallet lift 13 is arranged in front of the feeder 4 in the x direction and transports the pallet 12 along the z and y directions to a loading station 14 which is arranged above the stack 5 and a suction head 15 of the feeder 4 . The loading station 14 is used to unload the new boards from the pallet 12 and to load them with old boards and has a first pallet carrier 16 and a second pallet carrier 17 which are arranged one behind the other in the y direction. The pallet lift 13 has a third pallet carrier 18 . The first pallet carrier 16 and the second pallet carrier 17 are fastened to a carriage 20 via a plurality of linkages 19, which is guided by a rail 21 and adjustable in direction y.

Mit den Koppelgetrieben 19 verbunden sind Stellantriebe 22, durch welche der erste und zweite Palettenträger 16, 17 relativ zum dritten Palettenträger 18 geschwenkt werden. Dabei durchgreift der dritte Palettenträger 18 jenen Palettenträger 16 oder 17, der vorher entlang der Schiene 21 in eine in Richtung x fluchtende Gegenüberlage mit dem dritten Palettenträger 18 verfahren worden ist. Bei diesem Durchgreifen übergibt oder übernimmt der dritte Palettenträger 18 die Palette an den bzw. von dem anderen Palettenträger 16 oder 17.Connected to the coupling gears 19 are actuating drives 22, by means of which the first and second pallet carriers 16, 17 are pivoted relative to the third pallet carrier 18. The third pallet carrier 18 passes through that pallet carrier 16 or 17 which has previously been moved along the rail 21 in a direction x aligned opposite to the third pallet carrier 18 . With this reaching through, the third pallet carrier 18 transfers or accepts the pallet to or from the other pallet carrier 16 or 17.

Ein zur Ladestation 14 gehörender Schwenkarm 23 mit einer Transportseite 25 für die Druckplatten 8 ist um eine in Richtung y verlaufende Achse 24 an seinem unteren Ende schwenkbar. Der Schwenkarm 23 wird aus seiner bezüglich Figur 1 linken Endlage (mit Volllinie gezeichnet) in seine rechte Endlage (mit Phantomlinie gezeichnet) und wieder zurück geschwenkt und dabei jedes Mal über seine Vertikalausrichtung hinaus geklappt. In der rechten Endlage steigt die Transportseite 25 schräg nach rechts oben an und erstreckt sie sich parallel mit dem ersten Palettenträger 16 oder zweiten Palettenträger 17 und der jeweiligen Palette 12 bzw. 26 darin. In der linken Endlage steigt die Transportseite 25 schräg nach links oben an und erstreckt sie sich parallel oder bündig mit einem Transporttrum eines ersten Förderbands 27 eines Bandförderers 28, der über einem Bogenzuführtisch 29 des Anlegers 4 angeordnet ist.A pivoting arm 23 belonging to the loading station 14 and having a transport side 25 for the printing plates 8 can be pivoted at its lower end about an axis 24 running in the y direction. The swing arm 23 is from its respect figure 1 left end position (shown in solid line) to its right end position (shown in phantom line) and back again, flipping past its vertical orientation each time. In the right-hand end position, the transport side 25 rises obliquely to the top right and extends parallel to the first pallet carrier 16 or second pallet carrier 17 and the respective pallet 12 or 26 therein. In the left end position, the transport side 25 rises obliquely to the top left and it extends parallel or flush with a transport run of a first conveyor belt 27 of a belt conveyor 28 which is arranged above a sheet feed table 29 of the feeder 4.

Der Schwenkarm 23 hat Hubsauger 30, die aus der Transportseite 25 ausfahren und die jeweils oberste Druckplatte 8 des Plattenstapels auf der Palette 12 zu ergreifen. Der Schwenkarm 23 schwenkt mit der von den Hubsaugern 30 angesaugten Druckplatte 8 aus der rechten in die linke Endlage, wo die Hubsauger 30 in den Schwenkarm 23 wieder einfahren, um die ergriffene Druckplatte 8 auf dem ersten Förderband 27 abzulegen. Danach wiederholt sich der Arbeitszyklus des Schwenkarms 23, welcher die Druckplatten 8 eine nach der anderen aus der Palette 12 entnimmt und auf dem Bandförderer 28 ablegt.The swivel arm 23 has lifting suction cups 30, which extend from the transport side 25 and take the respective uppermost printing plate 8 of the stack of plates on the pallet 12. The swivel arm 23 swivels with the printing plate 8 sucked in by the suction lifters 30 from the right to the left end position, where the suction lifters 30 move back into the swivel arm 23 in order to deposit the printing plate 8 that has been gripped on the first conveyor belt 27 . Thereafter, the working cycle of the swivel arm 23, which removes the printing plates 8 one after the other from the pallet 12 and places them on the belt conveyor 28, is repeated.

Der Bandförderer 28 umfasst ein zweites Förderband 31, welches durch einen Stellantrieb 52 um eine geometrische Achse 32 in eine erste Betriebslage (mit Volllinie gezeichnet) und zweite Betriebslage (mit Phantomlinie gezeichnet) im Wechsel schwenkbar gelagert ist. Das zweite Förderband 31 ist in der ersten Betriebslage vertikal ausgerichtet und bildet in der zweiten Betriebslage eine gemeinsame Förderebene 33 mit dem ersten Förderband 27. Die beiden Förderbänder 27, 31 bestehen jeweils aus mehreren Endlosbändern, die gleichlang sind und miteinander parallel um Umlenkrollen verlaufen. Entlang der Achse 32 sind Umlenkrollen, über welche die Endlosbänder des ersten Förderbands 27 laufen, im Wechsel angeordnet mit Umlenkrollen, über welche die Endlosbänder des zweiten Förderbands 31 laufen. Mit anderen Worten: Die Endlosbänder des zweiten Förderbands 31 laufen in einer Lücke zwischen den Endlosbändern des zweiten Förderbands 27.The belt conveyor 28 includes a second conveyor belt 31, which is pivotally mounted by an actuator 52 about a geometric axis 32 in a first operating position (shown in solid line) and second operating position (shown in phantom line) alternately. The second conveyor belt 31 is aligned vertically in the first operating position and forms a common conveying plane 33 with the first conveyor belt 27 in the second operating position. The two conveyor belts 27, 31 each consist of a plurality of endless belts which are of the same length and run parallel to one another around deflection rollers. Along the axis 32 are deflection rollers, over which the endless belts of the first conveyor belt 27 run, arranged alternately with deflection rollers over which the endless belts of the second conveyor belt 31 run. In other words: the endless belts of the second conveyor belt 31 run in a gap between the endless belts of the second conveyor belt 27.

Der Schwenkarm 23 hat eine in Richtung y verlaufende Reihe von Zinken, die mit den Lücken zwischen den Endlosbändern des ersten Förderbands 27 fluchten und mit diesen Lücken in der linken Endlage des Schwenkarms 23 kämmen.The swivel arm 23 has a row of teeth running in direction y, which are aligned with the gaps between the endless belts of the first conveyor belt 27 and mesh with these gaps in the left end position of the swivel arm 23.

Das erste und zweite Förderband 27, 31 sind als Saugbänder ausgebildet, auf welchen die Druckplatte 8 während ihres Transports durch Vakuum festgehalten wird, und umfassen jeweils einen Vakuumkasten. Der Vakuumkasten saugt durch die Lücken zwischen den Endlosbändern oder Perforationen in den Endlosbändern hindurch die Druckplatte 8 an, so dass diese pneumatisch an den Endlosbändern gehalten wird.The first and second conveyor belts 27, 31 are designed as suction belts, on which the printing plate 8 is held by vacuum during its transport, and each comprise a vacuum box. The vacuum box sucks the pressure plate 8 through the gaps between the endless belts or perforations in the endless belts, so that it is held pneumatically on the endless belts.

Der Bandförderer 28 übergibt die Neuplatten an einen Plattenförderer 34, der über den Druckwerken 2, 3 angeordnet ist, und übernimmt später von dem Plattenförderer 34 die Altplatten. Der Plattenförderer 34 umfasst Wagen 35, deren Anzahl jener der mit den Druckplatten 8 zu versorgenden Druckwerke 2, 3 entspricht. Die Wagen 35 sind an einem endlosen Zugmittel 36 befestigt oder mit diesem im Eingriff, speziell einem Zahnriemen, und werden gemeinsam über das Zugmittel 36 von einem Antriebsrad 37 angetrieben. Das Zugmittel 36 läuft beim Fördern der Neuplatten von der Ladestation 14 zu den Druckwerken 6, 7 bezüglich Figur 1 im Uhrzeigersinn um und beim Fördern der Altplatten von den Druckwerken 2, 3 zur Ladestation 14 entgegen dem Uhrzeigersinn. Ein mit dem Antriebsrad 37 als Direktantrieb verbundener Elektromotor wird entsprechend umgesteuert, um den Richtungswechsel des Zugmittels 36 zu bewirken.The belt conveyor 28 transfers the new plates to a plate conveyor 34, which is arranged above the printing units 2, 3, and later takes over the old plates from the plate conveyor 34. The plate conveyor 34 comprises carriages 35, the number of which corresponds to that of the printing units 2, 3 to be supplied with the printing plates 8. The carriages 35 are fastened to an endless traction device 36 or mesh with it, specifically a toothed belt, and are driven jointly by a drive wheel 37 via the traction device 36 . The traction mechanism 36 runs with respect to the conveying of the new plates from the loading station 14 to the printing units 6, 7 figure 1 clockwise and when conveying the old plates from the printing units 2, 3 to the loading station 14 counterclockwise. An electric motor connected to the drive wheel 37 as a direct drive is reversed accordingly in order to bring about the change in direction of the traction mechanism 36 .

Ein Schienensystem 38 zum Führen der Wagen 35 umfasst ein oberes Schienenstück 39 und ein unteres Schienenstück, welches durch eine horizontale Schiene 40 gebildet wird, die in Richtung x verläuft. Das gesamte Schienensystem 38 hat eine ovale oder längliche Ringform, entlang welcher die Wagen 35 zirkulieren. Zur Bildung der Ringform sind das obere und untere Schienenstück, welche geradlinig sind und miteinander parallel verlaufen, an ihren Enden miteinander durch bogenförmige Schienenstücke verbunden.A rail system 38 for guiding the carriage 35 comprises an upper rail piece 39 and a lower rail piece, which is formed by a horizontal rail 40 running in direction x. The entire rail system 38 has an oval or oblong ring shape along which the carriages 35 circulate. To form the ring shape, the upper and lower rails, which are straight and parallel to each other, are connected to each other at their ends by arcuate rails.

An den Wagen 35 sind freitragende Balken 41 mit Greifern 42 zum per Klemmung erfolgenden Halten der Druckplatten 8 angeordnet. Die Balken 41 erstrecken sich in Richtung y über ihre Länge, wobei in Richtung y jeder Balken 41 mindestens so lang wie die Druckplatte 8 breit ist. Die Anzahl der in Reihe auf einer Welle 49 angeordneten Greifer 42 pro Balken 41 beträgt im Beispiel zwei und kann auch drei betragen. Bei ihrem miteinander synchronen Transport entlang der horizontalen Schiene 40 hängen die Druckplatten 8 lotrecht an den Balken 41.Cantilever beams 41 with grippers 42 for holding the printing plates 8 by clamping are arranged on the carriages 35 . The bars 41 extend in the y direction over their length, with each bar 41 being at least as long as in the y direction the pressure plate is 8 wide. The number of grippers 42 arranged in a row on a shaft 49 per bar 41 is two in the example and can also be three. When they are transported synchronously with one another along the horizontal rail 40, the pressure plates 8 hang vertically on the beams 41.

An einer Platte 43 sind Steuerkurven 44 zur Betätigung der Greifer 42, die Wagen 35 mit den Balken 41, das Schienensystem 38 zum Führen der Wagen 35 und das Zugmittel 36 zum Antreiben der Wagen 35 angeordnet. Die Platte 43 wird von Ständern 45 getragen, von denen jeder einem anderen Druckwerk 2, 3 beigeordnet ist. Die Ständer 45 können als Teleskopschienenführungen 50 ausgebildet sein. Jeder Ständer 45 bildet eine vertikale Schiene 46 zum Führen der Platte 43 oder weist eine solche auf. Entlang der vertikalen Schienen 46 wird die Platte 43 mitsamt den daran angeordneten besagten Elementen durch einen oder mehrere Stellantriebe (zeichnerisch nicht dargestellt) in den Ständern 45 nach unten und oben verstellt. Die Stellantriebe können im Inneren der Ständer 45 angeordnet sein. Die Verstellung des Schienensystems 38 nach unten dient zum miteinander synchronen Einführen der Neuplatten in die Plattenwechsler 6, 7, speziell die Schächte 9. Besagte Verstellung nach oben dient zum ebenfalls miteinander synchronen Herausziehen der Altplatten aus den Plattenwechslern 6, 7, speziell den Schächten 10.Control curves 44 for actuating the grippers 42, the carriages 35 with the beams 41, the rail system 38 for guiding the carriages 35 and the traction means 36 for driving the carriages 35 are arranged on a plate 43. The plate 43 is supported by uprights 45, each of which is associated with a different printing unit 2,3. The stands 45 can be designed as telescopic rail guides 50 . Each stand 45 forms or includes a vertical rail 46 for guiding the plate 43. Along the vertical rails 46, the plate 43, together with the said elements arranged thereon, is adjusted downwards and upwards in the uprights 45 by one or more actuators (not shown in the drawing). The actuators can be arranged inside the stand 45 . The downward adjustment of the rail system 38 serves to synchronously insert the new plates into the plate changers 6, 7, specifically the shafts 9. Said upward adjustment serves to also synchronously pull out the old plates from the plate changers 6, 7, specifically the shafts 10.

Die Steuerkurven 44 sind an einer Stange 47 angeordnet, an der ein Stellantrieb 48 angreift, welcher die Stange 47 in Richtung x verschiebt, um die Stange 47 in die erforderliche Stellung, z. B. zum Öffnen der Greifer 42, zu schalten. Jede Steuerkurve 44 hat eine zur Richtung x geneigte Schräge, die beim Verstellen der Steuerkurve 44 in Richtung x auf eine Kurvenrolle 51 an der Platte 43 drückt, wodurch die Stange 47 in Richtung y verschoben wird, um über mit den Greifern 42 verbundene Hebel die Greifer 42 zu betätigen.The cams 44 are arranged on a rod 47 on which an actuator 48 engages, which moves the rod 47 in direction x to move the rod 47 to the required position, e.g. B. to open the gripper 42 to switch. Each control cam 44 has a slope inclined towards the x direction, which when the control cam 44 is adjusted in the x direction presses on a cam roller 51 on the plate 43, as a result of which the rod 47 is displaced in the y direction in order to release the grippers via levers connected to the grippers 42 42 to press.

Bei der Übergabe der jeweiligen Druckplatte 8 vom zweiten Förderband 31 an den entsprechenden Balken 41 ist das zweite Förderband 31 nach unten geklappt, befindet es sich also in seiner besagten ersten Betriebslage. Hierbei wird die zu übergebende und sich in Vertikallage befindende Druckplatte 8 pneumatisch, also durch den Saugkasten des zweiten Förderbands 31, an letzterem gehalten. Das dabei nach oben weisende Ende der Druckplatte 8 ragt über das zweite Förderband 31 und die Förderebene 33 hinaus und kann deshalb von den Greifern 42 einfach ergriffen werden. Eine hakenfömige Abkantung besagten abstehenden Endes der Druckplatte 8 dient der sicheren Befestigung der Druckplatte 8 auf dem Plattenzylinder des Druckwerks und hat hier den Zusatzeffekt einer Sicherung der Druckplatte 8 gegen deren Herausrutschen aus den danach geschlossenen Greifern 42.When the respective printing plate 8 is transferred from the second conveyor belt 31 to the corresponding beam 41, the second conveyor belt 31 is folded down, ie it is in its said first operating position. Here, the pressure plate 8 to be transferred and which is in a vertical position is held on the latter pneumatically, ie by the suction box of the second conveyor belt 31 . The end pointing upwards Pressure plate 8 protrudes beyond the second conveyor belt 31 and the conveying plane 33 and can therefore be easily gripped by the grippers 42. A hook-shaped fold of said protruding end of the printing plate 8 is used to securely fasten the printing plate 8 on the plate cylinder of the printing unit and has the additional effect of securing the printing plate 8 against it slipping out of the grippers 42, which are then closed.

Zum Umschalten der Ladestation 14 vom Beladen der Palette 26 mit den Altplatten auf das Entladen der Neuplatten aus der Palette 12 wird der Schlitten 20 mit dem ersten und zweiten Palettenträger 16, 17 entlang der Schiene 21 in Richtung y verfahren. Dabei wird der erste Palettenträger 16 mit der noch mit den Neuplatten gefüllten Palette 12 in eine Aktivposition mit bezüglich Richtung x fluchtender Gegenüberlage des ersten Palettenträgers 16 mit dem Schwenkarm 23 gebracht und gelangt der zweite Palettenträger 17 in eine Passivposition auf der Antriebsseite der Druckmaschine 1, wie dies in Figur 2 gezeigt ist. Der Schwenkarm 23 übernimmt beim Entladen die Neuplatten nacheinander aus der Palette 12 und legt sie auf dem Bandförderer 28 ab.To switch the loading station 14 from loading the pallet 26 with the old boards to unloading the new boards from the pallet 12, the carriage 20 with the first and second pallet carriers 16, 17 is moved along the rail 21 in direction y. The first pallet carrier 16, with the pallet 12 still filled with the new plates, is brought into an active position with the first pallet carrier 16 aligned opposite with respect to direction x with the swivel arm 23 and the second pallet carrier 17 arrives in a passive position on the drive side of the printing machine 1, such as this in figure 2 is shown. During unloading, the swivel arm 23 takes over the new boards one after the other from the pallet 12 and places them on the belt conveyor 28 .

Zum Umschalten der Ladestation 14 vom Entladen der Neuplatten aus der Palette 12 auf das Beladen der Palette 26 mit den Altplatten wird der Schlitten 20 mit dem ersten und zweiten Palettenträger 16, 17 entlang der Schiene 21 in Gegenrichtung verfahren. Dabei wird der zweite Palettenträger 17 mit der noch leeren Palette 26 für die Altplatten in die Aktivposition mit bezüglich Richtung x fluchtender Gegenüberlage mit dem Schwenkarm 23 gebracht und gelangt der erste Palettenträger 16 in eine Passivposition auf der Bedienungsseite der Druckmaschine 1. Der Schwenkarm 23 übernimmt beim Beladen die Altplatten nacheinander vom Bandförderer 28 und legt sie in der Palette 26 ab.To switch the loading station 14 from unloading the new panels from the pallet 12 to loading the pallet 26 with the old panels, the carriage 20 with the first and second pallet carriers 16, 17 is moved along the rail 21 in the opposite direction. The second pallet carrier 17 with the still empty pallet 26 for the old plates is brought into the active position with the swivel arm 23 aligned opposite with respect to direction x and the first pallet carrier 16 moves into a passive position on the operating side of the printing press 1. The swivel arm 23 takes over when Load the old boards one by one from the belt conveyor 28 and place them in the pallet 26.

Die in den Figuren 3 bis 7 dargestellte Modifikation unterscheidet sich nur bezüglich der nachfolgend beschriebenen zusätzlichen Merkmale von der Vorrichtung in den Figuren 1 und 2. Bezüglich der übrigen Merkmale gilt die im Zusammenhang mit den Figuren 1 und 2 erfolgte Beschreibung im übertragenen Sinn für die Figuren 3 bis 7 mit.The in the Figures 3 to 7 The modification shown differs only with regard to the additional features described below from the device in FIGS figures 1 and 2 . With regard to the other features, the same applies in connection with the figures 1 and 2 description made in a figurative sense for the Figures 3 to 7 with.

Bei der Modifikation weist jede Palette 12, 26 einen an ihr befestigten Riegel 53 auf, der um eine geometrische Achse 57 in eine Verriegelungsstellung und eine Freigabestellung schwenkbar ist. In der nicht dargestellten Freigabestellung übergreift der Riegel 53 die Druckplatten 8 nicht. Der in einer Ebene 56 zu messende Schwenkwinkel des Riegels 53 zwischen der Verriegelungsstellung und der Freigabestellung kann ca. 90° betragen. In der in Figur 5 dargestellten Verriegelungsstellung übergreift der Riegel 53 den Stapel von Druckplatten 8 in der Palette 12, um die Druckplatten 8 gegen ein Herausfallen aus dieser zu sichern. Eine z. B. auf Zug belastbare Feder 65 hält dabei den Riegel 53 in der Verriegelungsstellung. Die Feder 65 greift dabei an einem Hebel 64 an, der mit dem Riegel 53 fest verbunden und zusammen mit letzterem um die Achse 57 schwenkbar ist.In the modification, each pallet 12, 26 has a latch 53 attached thereto which is pivotable about a geometric axis 57 to a locked position and a release position. In the release position, not shown, the bolt 53 does not overlap the pressure plates 8 . The pivot angle of the bolt 53 to be measured in a plane 56 between the locking position and the release position can be approximately 90°. in the in figure 5 shown locked position of the bolt 53 overlaps the stack of printing plates 8 in the pallet 12 to secure the printing plates 8 against falling out of this. a z. B. resilient to train spring 65 holds the bolt 53 in the locked position. The spring 65 acts on a lever 64 which is firmly connected to the latch 53 and can be pivoted about the axis 57 together with the latter.

Ein z. B. pneumatischer Arbeitszylinder dient als Stellantrieb 54 zum Schwenken des Riegels 53 aus der Verriegelungsstellung in die Freigabestellung gegen die Rückstellwirkung der Feder 65. Der Stellantrieb 54 ist nicht an der Palette 12 befestigt, sondern an einem anderen Bauteil 55, nämlich dem Palettenträger 16. Beim Einsetzen der Palette 12 in den Palettenträger 16 wird über eine Kupplung 58 der Stellantrieb 54 an den Riegel 54 angekoppelt.a z. B. pneumatic working cylinder serves as an actuator 54 for pivoting the bolt 53 from the locking position to the release position against the restoring action of the spring 65. The actuator 54 is not attached to the pallet 12, but to another component 55, namely the pallet support 16. When When the pallet 12 is inserted into the pallet carrier 16 , the actuator 54 is coupled to the bolt 54 via a coupling 58 .

Die Kupplung 58 umfasst einen am Hebel 64 angeordneten Zapfen 59 und eine am Stellantrieb 54 angeordnete Aussparung 60 als Kupplungshälften. Beim Ankoppeln wird der Zapfen 59 in die Aussparung 60 gesteckt. Der Zapfen 59 befindet sich an einem ersten Arm des Hebels 64 und die Feder 65 greift an einem zweiten Arm des Hebels 64 an. Die vorzugsweise u-förmige Aussparung 60 ist in die Kolbenstange oder eine Kolbenstangen-Verlängerung des Stellantriebs 54 eingebracht und in Koppelrichtung - quer zur mit einem Doppelpfeil angedeuteten Stellrichtung des Stellantriebs 54 - offen. Eine miteinander vertauschte Anordnung von Zapfen 59 und Aussparung 60 ist auch möglich.The clutch 58 comprises a pin 59 arranged on the lever 64 and a recess 60 arranged on the actuator 54 as clutch halves. When coupling, the pin 59 is inserted into the recess 60. The pin 59 is located on a first arm of the lever 64 and the spring 65 acts on a second arm of the lever 64 . The preferably U-shaped recess 60 is introduced into the piston rod or a piston rod extension of the actuating drive 54 and is open in the coupling direction—transverse to the actuating direction of the actuating drive 54 indicated by a double arrow. An interchanged arrangement of pin 59 and recess 60 is also possible.

Die Feder 65 hält den Riegel 53 immer dann in der Verriegelungsstellung, wenn die Palette 12 nicht in den Palettenträger 16 eingesetzt ist und z. B. durch das Flurfördermittel 11 oder den Palettenlift 13 transportiert wird, so dass während dieses Transports die Druckplatten 8 in der Palette 12 gesichert sind.The spring 65 always keeps the bolt 53 in the locked position when the pallet 12 is not inserted into the pallet carrier 16 and z. B. is transported by the floor conveyor 11 or the pallet lift 13, so that the printing plates 8 are secured in the pallet 12 during this transport.

Wenn sich die Palette 12 im Palettenträger 16 befindet, um die Druckplatten 8 aus der Palette 12 zu entladen (Neuplatten) oder in die Palette 12 einzuladen (Altplatten), sichert der Riegel 53 in Kooperation mit Klemmen 61 die Druckplatten 8 in der Palette 12. Hierbei wird der Riegel 53 im Arbeitstakt des Schwenkarms 23 (Belade- oder Entladetakt) periodisch zwischen der Freigabestellung und der Verriegelungsstellung hin- und hergeschwenkt. Die Klemmen 61 befinden sich temporär oder periodisch in ihrer in Figur 5 mit Volllinie dargestellten Klemmstellung, wenn sich der Riegel 53 in seiner Freigabestellung befindet. Eine Freigabestellung der Klemmen 61 ist in Figur 5 mit Phantomlinie dargestellt. Jede Klemme 61 ist mit einem Stellantrieb 66 verbunden, z. B. einem pneumatischen Arbeitszylinder. Die Stellantriebe 66 schwenken die Klemmen 61 um eine geometrische Achse 63 und dabei in einer Ebene 62, welche die Bildebene von Figur 5 ist.When the pallet 12 is in the pallet carrier 16 in order to unload the printing plates 8 from the pallet 12 (new plates) or to load them into the pallet 12 (old plates), the latch 53, in cooperation with clamps 61, secures the printing plates 8 in the pallet 12. Here, the bolt 53 is periodically pivoted back and forth between the release position and the locking position in the working cycle of the swivel arm 23 (loading or unloading cycle). The clamps 61 are temporarily or periodically in their in figure 5 Clamping position shown with a solid line when the bolt 53 is in its release position. A release position of the clamps 61 is in figure 5 shown with phantom line. Each clamp 61 is connected to an actuator 66, e.g. B. a pneumatic working cylinder. The actuators 66 pivot the clamps 61 about a geometric axis 63 and thereby in a plane 62 which is the image plane of figure 5 is.

BezugszeichenlisteReference List

11
Druckmaschineprinting press
22
Druckwerkprinting unit
33
Druckwerkprinting unit
44
Anlegerinvestor
55
Stapelstack
66
Plattenwechslerrecord changer
77
Plattenwechslerrecord changer
88th
Druckplatteprinting plate
99
Schachtshaft
1010
Schachtshaft
1111
Flurfördermittelindustrial trucks
1212
Palettepalette
1313
Palettenliftpallet lift
1414
Ladestationcharging station
1515
Saugkopfsuction head
1616
Erster PalettenträgerFirst pallet carrier
1717
Zweiter PalettenträgerSecond pallet carrier
1818
Dritter PalettenträgerThird pallet carrier
1919
Koppelgetriebelinkage
2020
SchlittenSleds
2121
Schienerail
2222
Stellantriebactuator
2323
Schwenkarmswivel arm
2424
Achseaxis
2525
Transportseitetransport side
2626
Palettepalette
2727
Erstes FörderbandFirst conveyor belt
2828
Bandfördererbelt conveyor
2929
Bogenzuführtischsheet feeding table
3030
Hubsaugerlifting sucker
3131
Zweites FörderbandSecond conveyor
3232
Achseaxis
3333
Förderebenefunding level
3434
Plattenfördererplate conveyor
3535
WagenCar
3636
Zugmitteltraction means
3737
Antriebsraddrive wheel
3838
Schienensystemrail system
3939
Oberes SchienenstückUpper rail section
4040
Horizontale Schienehorizontal rail
4141
Balkenbar
4242
Greifergripper
4343
Platteplate
4444
Steuerkurvecam
4545
Ständerstand
4646
Vertikale SchieneVertical Rail
4747
Stangepole
4848
Stellantriebactuator
4949
WelleWave
5050
Teleskopschienenführungtelescopic rail guide
5151
Kurvenrollecam follower
5252
Stellantriebactuator
5353
Riegelbars
5454
Stellantriebactuator
5555
Bauteilcomponent
5656
Ebenelevel
5757
Achseaxis
5858
Kupplungcoupling
5959
Zapfencones
6060
Aussparungrecess
6161
Klemmeclamp
6262
Ebenelevel
6363
Achseaxis
6464
Hebellever
6565
FederFeather
6666
Stellantriebactuator
xx
RichtungDirection
yy
RichtungDirection
ze.g
RichtungDirection

Claims (10)

  1. Device for handling printing plates (8) at a printing press (1),
    comprising at least one pallet (12) for receiving printing plates (8),
    wherein a latch (53) for securing the printing plates (8) in the pallet (12) is provided, said latch (53) fixed to the pallet (12) as an integral part thereof,
    characterized
    in that an actuating drive (54) for operating the latch (53) is disposed on a component (55) of the device that is separate from the pallet (12).
  2. Device according to claim 1,
    characterized
    in that the latch (53) is adjustable in a plane (56) that extends in parallel with leading and trailing edges of the printing plate (8) in the pallet (12).
  3. Device according to claim 1 or 2,
    characterized
    in that the latch (53) is disposed to swivel about an axis (57).
  4. Device according to any one of claims 1 to 3,
    characterized
    in that the actuating drive (54) is an operating cylinder.
  5. Device according to any one of claims 1 to 4,
    characterized
    in that a coupling (58) is provided to couple the latch (53) with the actuating drive (54).
  6. Device according to claim 5,
    characterized
    in that the coupling (58) is a plug-in coupling with a plug (59) and a recess (60).
  7. Device according to any one of claims 1 to 6,
    characterized
    in that at least one clamp (61) is provided to secure the printing plates (8) in the pallet (12), said clamp disposed on a component or the component (55) of the device that is separate from the pallet (12).
  8. Device according to claim 7,
    characterized
    in that the clamp (61) is adjustable in a plane (62) that extends in a direction orthogonal to leading and trailing edges of the printing plates (8) in the pallet (12).
  9. Device according to claim 7 or 8,
    characterized
    in that the clamp (61) is disposed to swivel about an axis (63).
  10. Device according to any one of claims 7 to 9,
    characterized
    in that in one operating situation, the latch (53) is in a release position to release the printing plates (8) and simultaneously the clamp (61) is in a clamping position to secure the printing plates (8).
EP20180239.4A 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine Active EP3851280B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110011205.XA CN113147173B (en) 2020-01-20 2021-01-06 Device for handling printing plates on a printing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020101160 2020-01-20

Publications (2)

Publication Number Publication Date
EP3851280A1 EP3851280A1 (en) 2021-07-21
EP3851280B1 true EP3851280B1 (en) 2023-08-09

Family

ID=71103289

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EP20180239.4A Active EP3851280B1 (en) 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine
EP20180242.8A Active EP3851281B1 (en) 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine
EP20180236.0A Active EP3851279B1 (en) 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine

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EP20180236.0A Active EP3851279B1 (en) 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine

Country Status (3)

Country Link
EP (3) EP3851280B1 (en)
CN (7) CN113135035B (en)
DE (5) DE102020207421A1 (en)

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DE102022109489A1 (en) 2022-04-20 2023-10-26 Koenig & Bauer Ag Sheetfed offset rotary printing machine in aggregate design

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Also Published As

Publication number Publication date
DE102020207419A1 (en) 2021-07-22
DE102020207415A1 (en) 2021-07-22
EP3851281A1 (en) 2021-07-21
EP3851279A1 (en) 2021-07-21
CN113135031B (en) 2024-07-23
CN113135032A (en) 2021-07-20
CN113147173A (en) 2021-07-23
CN113147174A (en) 2021-07-23
CN113135031A (en) 2021-07-20
CN113135036A (en) 2021-07-20
CN113135036B (en) 2024-07-23
EP3851281B1 (en) 2023-08-09
CN113135035A (en) 2021-07-20
DE102020207420A1 (en) 2021-07-22
DE102020207421A1 (en) 2021-07-22
EP3851279B1 (en) 2023-08-09
CN113147173B (en) 2024-07-23
CN113135035B (en) 2024-07-23
DE102020207418A1 (en) 2021-07-22
EP3851280A1 (en) 2021-07-21
CN113135033A (en) 2021-07-20
CN113135034A (en) 2021-07-20
CN113135032B (en) 2024-07-23

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