EP3851279A1 - 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
EP3851279A1
EP3851279A1 EP20180236.0A EP20180236A EP3851279A1 EP 3851279 A1 EP3851279 A1 EP 3851279A1 EP 20180236 A EP20180236 A EP 20180236A EP 3851279 A1 EP3851279 A1 EP 3851279A1
Authority
EP
European Patent Office
Prior art keywords
rail
printing
horizontal rail
carriages
plates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20180236.0A
Other languages
German (de)
French (fr)
Other versions
EP3851279B1 (en
Inventor
Markus Möhringer
Sonja Wiegel
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 CN202110011235.0A priority Critical patent/CN113135034A/en
Publication of EP3851279A1 publication Critical patent/EP3851279A1/en
Application granted granted Critical
Publication of EP3851279B1 publication Critical patent/EP3851279B1/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 machine, comprising a horizontal rail for guiding at least one carriage for transporting printing plates and at least one vertical rail for guiding the horizontal rail up and down when adjusting the horizontal rail.
  • U1 describes a transport device for printing plates.
  • the transport device comprises a lifting device with a lifting guide, which can be designed as a vertical lift rail.
  • a lift truck on which a height-movable track part for guiding a gondola is arranged, can be moved on the lifting guide.
  • the gondola has a support device for at least one pressure plate and a chassis with one or more rollers.
  • the gondola can be transported manually, which is considered to be particularly inexpensive.
  • a stationary or moving drive technology is mentioned as an alternative, in particular an electric drive system with remote control for an operator that is present on the nacelle. This prior art device is not very suitable for automation.
  • a device for handling printing plates on a printing machine comprising a horizontal rail for guiding at least one carriage for transporting printing plates and at least one vertical rail for guiding the horizontal rail up and down when the horizontal rail is adjusted, characterized in that several carriages for transporting the printing plates from the horizontal rail along a number of printing units of the printing machine are guided simultaneously and several vertical rails for moving the horizontal rail together with the Carriages that guide the horizontal rail up and down are provided, the vertical rails running parallel to one another.
  • the printing machine can be an in-line sheet-fed printing machine, e.g. B. a perfector for perfecting. Such a perfector has a comparatively large number of printing units, the advantages of the invention being particularly evident.
  • 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 press can have one or more additional printing units, e.g. B. Flexographic printing units for painting.
  • the vertical rails can either be attached directly to the printing machine or separately from the printing machine next to it, e.g. B. on the ceiling or the floor of the room in which the printing press is located.
  • the vertical rails can form or be attached to uprights or columns of the device.
  • One or more pneumatic, hydraulic or electric drives can be used to adjust the horizontal rail up and down.
  • the vertical rails can each be part of a telescopic rail guide.
  • Each of the vertical rails can be placed on a different one of the printing units, e.g. B. on the frame of the respective printing unit or directly next to it in the hall floor.
  • the number of vertical rails can be two, e.g. B. a vertical rail can be placed on the first and last printing unit in the row. For reasons of stability, however, it is preferred that the number is more than two, with z. B. a vertical rail can be placed on each of the printing units.
  • each beam can only have one gripper. Each beam transports a different printing plate while the printing plates are being transported at the same time. In order to avoid plate twisting, however, it is preferred that each beam has several grippers, e.g. B. in a row of grippers. Each beam may have a first end and a second end with only the first ends attached to the carts and the second ends being free ends.
  • the respective bar is an overhung gripper bridge.
  • the grippers can be suction grippers that hold the pressure plates pneumatically. However, it is preferred to design the grippers as clamping grippers, which hold the pressure plates particularly securely.
  • control cams for closing and / or preferably opening the gripper. If the control cams are gripper opening cams, return springs can be present to close the grippers.
  • the control cams can be arranged in a row that runs parallel to the horizontal rail. The control cams can be arranged in such a way that they open the grippers of all the bars at the same time.
  • Curve follower, e.g. B. cam rollers can be connected to the grippers to operate them, e.g. B. via gripper shafts. Each bar can have such a gripper shaft, by means of which a respective row of grippers can be actuated.
  • the control cams can be arranged at an equal distance from one another, for. B. at a center distance that the printing units have from each other.
  • the control cams can be connected to one another, e.g. B. by being attached to a common control rod or by a connecting rod being inserted between adjacent control cams, the cams and rods together forming a chain formation.
  • the actuator can act on the control rod or the chain formation.
  • the actuator can be an electric motor, e.g. B. with a screw gear, or a pneumatic or hydraulic working cylinder.
  • the control cams can each have a slope, preferably gently rising relative to the horizontal plane, as a cam path.
  • the control cams can be designed as scenes.
  • the carriages can be connected to one another via a common traction mechanism.
  • the traction means can be an annular or endless traction means.
  • the traction mechanism can wrap around a drive wheel, which drives the movement of the carriages along the horizontal rail via the traction mechanism.
  • the traction means can, for. B. in training as a chain, multi-link or, z. B. in training as a belt, be pliable.
  • the traction means is preferably a toothed belt.
  • the horizontal rail can be part of a rail system which comprises several rail pieces and can be adjusted up and down guided by the vertical rails.
  • the horizontal rail can be a lower rail section of the rail system, which can also comprise an upper rail section, which can also be used to guide the carriages.
  • the lower rail section and the upper rail section can run parallel to one another.
  • the upper rail piece and the lower rail piece can be arranged on a plate which can be adjusted upwards and downwards and which is guided through the vertical rails during adjustment.
  • the plate can be a carrier plate of the rail system.
  • a printing press 1 comprises printing units 2, 3 arranged in series 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 which conveys the printing plates 8 to the plate changers 6, 7 and back again after use. The operator removes a pallet 12 with the pressure plates 8 therein 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 press 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 serves to unload the new panels from the pallet 12 and to load them with old panels 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 via a plurality of coupling gears 19 to a slide 20 which, guided by a rail 21, is adjustable in the y direction.
  • the third pallet carrier 18 extends through that pallet carrier 16 or 17 which was previously positioned along the rail 21 in an opposite position aligned with the third in the direction x Pallet carrier 18 has been moved. With this reaching through, the third pallet carrier 18 transfers or takes over the pallet to or from the other pallet carrier 16 or 17.
  • a swivel arm 23 belonging to the loading station 14 and having a transport side 25 for the printing plates 8 can be swiveled about an axis 24 running in the y direction at its lower end.
  • the pivot arm 23 is related to his Figure 1 left end position (drawn with full line) to its right end position (drawn with phantom line) and swiveled back again, and each time folded beyond its vertical alignment.
  • 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 extends parallel or flush with a transport strand 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 out of the transport side 25 and grip the respective uppermost pressure plate 8 of the plate stack on the pallet 12.
  • the swivel arm 23 swivels with the pressure plate 8 sucked in by the lifting suckers 30 from the right to the left end position, where the lifting suckers 30 retract into the swivel arm 23 in order to place the gripped pressure plate 8 on the first conveyor belt 27. Thereafter, the working cycle of the swivel arm 23 is repeated, which removes the pressure plates 8 one after the other from the pallet 12 and places them on the belt conveyor 28.
  • the belt conveyor 28 comprises a second conveyor belt 31 which is alternately pivoted about a geometric axis 32 into a first operating position (drawn with a solid line) and a second operating position (drawn with a phantom line) by an actuator 52.
  • the second conveyor belt 31 is vertically aligned in the first operating position and forms a common conveyor plane 33 with the first conveyor belt 27 in the second operating position.
  • the two conveyor belts 27, 31 each consist of several endless belts that are of equal length and run parallel to one another around pulleys.
  • Along the axis 32 there are pulleys over which the endless belts of the first conveyor belt 27 run Change arranged with pulleys, over which the endless belts of the second conveyor belt 31 run. In other words: the endless belts of the first conveyor belt 27 run in gaps between the endless belts of the second conveyor belt 31.
  • the swivel arm 23 has a row of prongs running in the y direction, 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 in the pressure plate 8 through the gaps between the endless belts or perforations in the endless belts, so that it is pneumatically held on the endless belts.
  • the belt conveyor 28 transfers the new panels to a panel conveyor 34, which is arranged above the printing units 2, 3, and later takes over the old panels from the panel 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 attached to an endless traction means 36 or in engagement with this, specifically a toothed belt, and are driven jointly via the traction means 36 by a drive wheel 37.
  • the traction means 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 around 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 carriages 35 comprises an upper rail section 39 and a lower rail section which is formed by a horizontal rail 40 which runs in the x direction.
  • the entire rail system 38 has an oval or elongated ring shape, along which the carriages 35 circulate.
  • the upper and lower rail pieces which are straight and run parallel to one another, are connected to one another at their ends by curved rail pieces.
  • Self-supporting beams 41 with grippers 42 for holding the pressure plates 8 by clamping are arranged on the carriage 35.
  • the bars 41 extend in the y direction over their length, each bar 41 in the y direction being at least as long as the pressure plate 8 is wide.
  • the number of grippers 42 arranged in series 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 beam 41.
  • Control cams 44 for actuating the grippers 42, the carriages 35 with the bars 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 carried by stands 45, each of which is assigned to a different printing unit 2, 3.
  • the stands 45 can be designed as telescopic rail guides 50.
  • Each stand 45 forms or has a vertical rail 46 for guiding the plate 43.
  • the plate 43 together with the said elements arranged thereon is adjusted upwards and downwards in the uprights 45 by one or more actuators (not shown in the drawing).
  • the actuators can be arranged in the interior of the stand 45.
  • the downward adjustment of the rail system 38 is used to insert the new plates into the plate changers 6, 7, especially the slots 9, synchronously with one another. Said adjustment upwards is used to pull the old plates out of the plate changers 6, 7, especially the slots 10, also synchronously with one another.
  • the control cams 44 are arranged on a rod 47 on which an actuator 48 engages, which moves the rod 47 in the x direction to move the rod 47 into the required position, e.g. B. to open the gripper 42 to switch.
  • Each control cam 44 has a slope inclined to the x direction which, when the control cam 44 is adjusted in the x direction, presses on a cam roller 51 on the respective bar 41, as a result of which the rod 47 is displaced in the y direction to move the levers connected to the grippers 42 To operate gripper 42.
  • the second conveyor belt 31 When the respective pressure plate 8 is transferred from the second conveyor belt 31 to the corresponding bar 41, the second conveyor belt 31 is folded down, that is to say it is in its said first operating position.
  • the pressure plate 8 to be transferred and located in the vertical position is held on the latter pneumatically, that is to say by the suction box of the second conveyor belt 31.
  • the end of the pressure plate 8 pointing upwards protrudes beyond the second conveyor belt 31 and the conveying plane 33 and can therefore be easily grasped 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 slipping out of the subsequently closed grippers 42.
  • 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 panels is brought into an active position with the first pallet carrier 16 facing the pivot arm 23 in alignment with respect to direction x, and the second pallet carrier 17 moves into 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 panels 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 panels is brought into the active position with the opposite position aligned with the pivot arm 23 with respect to direction x, and the first pallet carrier 16 moves into a passive position on the operating side of the printing machine 1.
  • the pivot arm 23 takes over Load the old panels one after the other from the belt conveyor 28 and deposit them on the pallet 26.

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)

Abstract

Eine Vorrichtung zum Handhaben von Druckplatten (8) an einer Druckmaschine (1), umfasst eine horizontale Schiene (40) zum Führen mindestens eines Wagens (35) zum Transportieren von Druckplatten (8) und mindestens eine vertikale Schiene (46) zum beim Verstellen der horizontalen Schiene (40) nach oben und unten erfolgenden Führen der horizontalen Schiene (40). Es werden mehrere Wagen (35) zum Transportieren der Druckplatten (8) von der horizontalen Schiene (40) entlang einer Reihe von Druckwerken (2, 3) der Druckmaschine (1) gleichzeitig geführt. Es sind mehrere vertikale Schienen (46) zum beim Verstellen der horizontalen Schiene (40) zusammen mit den Wagen (35) nach oben und unten erfolgenden Führen der horizontalen Schiene (40) vorhanden, wobei die vertikalen Schienen (46) miteinander parallel verlaufen.A device for handling printing plates (8) on a printing machine (1) comprises a horizontal rail (40) for guiding at least one carriage (35) for transporting printing plates (8) and at least one vertical rail (46) for adjusting the horizontal rail (40) up and down taking place the horizontal rail (40). Several carriages (35) for transporting the printing plates (8) are guided simultaneously from the horizontal rail (40) along a row of printing units (2, 3) of the printing machine (1). There are several vertical rails (46) for guiding the horizontal rail (40) up and down when the horizontal rail (40) is adjusted together with the carriages (35), the vertical rails (46) running parallel to one another.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend eine horizontale Schiene zum Führen mindestens eines Wagens zum Transportieren von Druckplatten und mindestens eine vertikale Schiene zum beim Verstellen der horizontalen Schiene nach oben und unten erfolgenden Führen der horizontalen Schiene.The present invention relates to a device for handling printing plates on a printing machine, comprising a horizontal rail for guiding at least one carriage for transporting printing plates and at least one vertical rail for guiding the horizontal rail up and down when adjusting the horizontal rail.

In der DE 20 2009 016 761 U1 ist eine Transportvorrichtung für Druckplatten beschrieben. Die Transportvorrichtung umfasst eine Hubeinrichtung mit einer Hubführung, welche als vertikale Liftschiene ausgebildet sein kann. An der Hubführung verfahrbar ist ein Hubwagen, an welchem ein höhenbeweglicher Bahnteil zur Führung einer Gondel angeordnet ist. Die Gondel weist eine Trageinrichtung für mindestens eine Druckplatte und ein Fahrgestell mit einer oder mehreren Laufrollen auf. Der Gondeltransport kann manuell erfolgen, was als besonders kostengünstig erachtet wird. Als Alternative wird eine stationäre oder mitbewegte Antriebstechnik genannt, insbesondere ein an der Gondel vorhandener elektrischer Fahrantrieb mit Fernsteuerung für einen Bediener. Diese Vorrichtung des Standes der Technik ist für Automatisierung nicht sehr geeignet.In the DE 20 2009 016 761 U1 describes a transport device for printing plates. The transport device comprises a lifting device with a lifting guide, which can be designed as a vertical lift rail. A lift truck, on which a height-movable track part for guiding a gondola is arranged, can be moved on the lifting guide. The gondola has a support device for at least one pressure plate and a chassis with one or more rollers. The gondola can be transported manually, which is considered to be particularly inexpensive. A stationary or moving drive technology is mentioned as an alternative, in particular an electric drive system with remote control for an operator that is present on the nacelle. This prior art device is not very suitable for automation.

Deshalb ist es Aufgabe der Erfindung, eine für Automatisierung geeignetere Vorrichtung zu schaffen.It is therefore the object of the invention to create a device that is more suitable for automation.

Die Aufgabe wird erfindungsgemäß gelöst durch eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend eine horizontale Schiene zum Führen mindestens eines Wagens zum Transportieren von Druckplatten und mindestens eine vertikale Schiene zum beim Verstellen der horizontalen Schiene nach oben und unten erfolgenden Führen der horizontalen Schiene, dadurch gekennzeichnet, dass mehrere Wagen zum Transportieren der Druckplatten von der horizontalen Schiene entlang einer Reihe von Druckwerken der Druckmaschine gleichzeitig geführt werden und mehrere vertikale Schienen zum beim Verstellen der horizontalen Schiene zusammen mit den Wagen nach oben und unten erfolgenden Führen der horizontalen Schiene vorhanden sind, wobei die vertikalen Schienen miteinander parallel verlaufen.The object is achieved according to the invention by a device for handling printing plates on a printing machine, comprising a horizontal rail for guiding at least one carriage for transporting printing plates and at least one vertical rail for guiding the horizontal rail up and down when the horizontal rail is adjusted, characterized in that several carriages for transporting the printing plates from the horizontal rail along a number of printing units of the printing machine are guided simultaneously and several vertical rails for moving the horizontal rail together with the Carriages that guide the horizontal rail up and down are provided, the vertical rails running parallel to one another.

Dadurch, dass die Mehrzahl von Wagen von der horizontalen Schiene gleichzeitig geführt wird, sind günstige Voraussetzungen dafür gegeben, dass die Druckplatten aller Druckwerke synchron gewechselt werden können, was halb- oder vollautomatisch erfolgen kann, um Rüstzeit zu sparen.Because the majority of carriages are guided by the horizontal rail at the same time, there are favorable conditions for the printing plates of all printing units to be changed synchronously, which can be done semi-automatically or fully automatically in order to save set-up time.

Indem die Mehrzahl von miteinander parallel verlaufenden, vertikalen Schienen zum Führen der horizontalen Schiene vorhanden ist, ist eine Art Rahmenkonstruktion gegeben, die aufgrund ihrer hohen Stabilität für eine lange Reihe von Druckwerken gut geeignet ist, besonders bei einer Bogendruckmaschine.The fact that the plurality of vertical rails running parallel to one another is present for guiding the horizontal rail results in a type of frame construction which, due to its high stability, is well suited for a long series of printing units, particularly in a sheet-fed printing press.

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 Perfektor für Schön- und Widerdruck. Ein solcher Perfektor hat vergleichsweise viele Druckwerke, wobei die Vorteile der Erfindung besonders zum Tragen kommen. 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 further developments of the invention described below can be implemented individually or - if they are not technically mutually exclusive - in any combination with one another:
The printing machine can be an in-line sheet-fed printing machine, e.g. B. a perfector for perfecting. Such a perfector has a comparatively large number of printing units, the advantages of the invention being particularly evident. 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 press can have one or more additional printing units, e.g. B. Flexographic printing units for painting.

Die vertikalen Schienen können entweder direkt an der Druckmaschine oder separat von der Druckmaschine neben dieser befestigt sein, z. B. an der Decke oder dem Boden des Raumes, in welchem die Druckmaschine steht. Die vertikalen Schienen können Ständer oder Säulen der Vorrichtung bilden oder an solchen befestigt sein. Für die Verstellung der horizontalen Schiene nach oben und unten können ein oder mehrere pneumatische, hydraulische oder elektrische Antriebe vorhanden sein. Die vertikalen Schienen können jeweils Bestandteil einer Teleskopschienenführung sein.The vertical rails can either be attached directly to the printing machine or separately from the printing machine next to it, e.g. B. on the ceiling or the floor of the room in which the printing press is located. The vertical rails can form or be attached to uprights or columns of the device. One or more pneumatic, hydraulic or electric drives can be used to adjust the horizontal rail up and down. The vertical rails can each be part of a telescopic rail guide.

Jede der vertikalen Schienen kann an einem anderem der Druckwerke platziert sein, z. B. am Gestell des jeweiligen Druckwerks oder direkt neben diesem im Hallenboden. Die Anzahl der vertikalen Schienen kann zwei betragen, wobei z. B. an dem ersten und letzten Druckwerk in der Reihe jeweils eine vertikale Schiene platziert sein kann. Bevorzugt wird aus Stabilitätsgründen jedoch, dass die Anzahl mehr als zwei beträgt, wobei z. B. an jedem der Druckwerke eine vertikale Schiene platziert sein kann.Each of the vertical rails can be placed on a different one of the printing units, e.g. B. on the frame of the respective printing unit or directly next to it in the hall floor. The number of vertical rails can be two, e.g. B. a vertical rail can be placed on the first and last printing unit in the row. For reasons of stability, however, it is preferred that the number is more than two, with z. B. a vertical rail can be placed on each of the printing units.

Es können Balken mit Greifern zum Halten der Druckplatten vorhanden sein. Jeder Balken kann nur einen Greifer aufweisen. Jeder Balken transportiert eine andere Druckplatte beim gleichzeitigen Transport der Druckplatten. Um Plattenverwindungen zu vermeiden wird jedoch bevorzugt, dass jeder Balken mehrere Greifer aufweist, z. B. in einer Greiferreihe. Jeder Balken kann ein erstes Ende und ein zweites Ende aufweisen, wobei nur die ersten Enden an den Wagen befestigt sind und die zweiten Enden freie Enden sind. Hierbei ist der jeweilige Balken eine fliegend gelagerte Greiferbrücke. Die Greifer können Sauggreifer sein, welche die Druckplatten pneumatisch halten. Bevorzugt wird jedoch eine Ausbildung der Greifer als Klemmgreifer, welche die Druckplatten besonders sicher halten.There may be bars with grippers to hold the printing plates. Each beam can only have one gripper. Each beam transports a different printing plate while the printing plates are being transported at the same time. In order to avoid plate twisting, however, it is preferred that each beam has several grippers, e.g. B. in a row of grippers. Each beam may have a first end and a second end with only the first ends attached to the carts and the second ends being free ends. The respective bar is an overhung gripper bridge. The grippers can be suction grippers that hold the pressure plates pneumatically. However, it is preferred to design the grippers as clamping grippers, which hold the pressure plates particularly securely.

Es können Steuerkurven zum Schließen und/oder vorzugsweise Öffnen der Greifer vorhanden sein. Wenn die Steuerkurven Greiferöffnungskurven sind, können Rückstellfedern zum Schließen der Greifer vorhanden sein. Die Steuerkurven können in einer Reihe angeordnet sein, die mit der horizontalen Schiene parallel verläuft. Die Steuerkurven können so angeordnet sein, dass sie die Greifer sämtlicher Balken gleichzeitig öffnen. Kurvenfolger, z. B. Kurvenrollen, können mit den Greifern zu deren Betätigung verbunden sein, z. B. über Greiferwellen. Jeder Balken kann eine solche Greiferwelle aufweisen, durch welche eine jeweilige Greiferreihe betätigt werden kann. Die Steuerkurven können im gleichmäßigen Abstand voneinander angeordnet sein, z. B. in einem Mittenabstand, den die Druckwerke voneinander aufweisen.There can be control cams for closing and / or preferably opening the gripper. If the control cams are gripper opening cams, return springs can be present to close the grippers. The control cams can be arranged in a row that runs parallel to the horizontal rail. The control cams can be arranged in such a way that they open the grippers of all the bars at the same time. Curve follower, e.g. B. cam rollers can be connected to the grippers to operate them, e.g. B. via gripper shafts. Each bar can have such a gripper shaft, by means of which a respective row of grippers can be actuated. The control cams can be arranged at an equal distance from one another, for. B. at a center distance that the printing units have from each other.

Die Steuerkurven können miteinander verbunden sein, z. B., indem sie an einer gemeinsamen Stellstange befestigt sind oder indem zwischen benachbarten Steuerkurven jeweils eine Verbindungsstange eingefügt ist, wobei die Kurven und Stangen zusammen eine Kettenformation bilden. Es kann ein gemeinsamer Stellantrieb vorhanden sein, der die Steuerkurven zusammen verschiebt. Der Stellantrieb kann dabei an der Stellstange oder der Kettenformation angreifen. Der Stellantrieb kann ein Elektromotor, z. B. mit einem Schraubengetriebe, oder ein pneumatischer oder hydraulischer Arbeitszylinder sein. Die Steuerkurven können jeweils eine relativ zur Horizontalebene vorzugsweise flach ansteigende Schräge als Kurvenbahn aufweisen. Die Steuerkurven können als Kulissen ausgebildet sein.The control cams can be connected to one another, e.g. B. by being attached to a common control rod or by a connecting rod being inserted between adjacent control cams, the cams and rods together forming a chain formation. There may be a common actuator that the Control cams move together. The actuator can act on the control rod or the chain formation. The actuator can be an electric motor, e.g. B. with a screw gear, or a pneumatic or hydraulic working cylinder. The control cams can each have a slope, preferably gently rising relative to the horizontal plane, as a cam path. The control cams can be designed as scenes.

Die Wagen können miteinander über ein gemeinsames Zugmittel verbunden sein. Das Zugmittel kann ein ringförmig verlaufendes bzw. endloses Zugmittel sein. Das Zugmittel kann ein Antriebsrad umschlingen, welches über das Zugmittel die Bewegung der Wagen entlang der horizontalen Schiene antreibt. Das Zugmittel kann, z. B. bei Ausbildung als Kette, vielgliedrig oder, z. B. bei Ausbildung als Riemen, schmiegsam sein. Vorzugsweise ist das Zugmittel ein Zahnriemen.The carriages can be connected to one another via a common traction mechanism. The traction means can be an annular or endless traction means. The traction mechanism can wrap around a drive wheel, which drives the movement of the carriages along the horizontal rail via the traction mechanism. The traction means can, for. B. in training as a chain, multi-link or, z. B. in training as a belt, be pliable. The traction means is preferably a toothed belt.

Die horizontale Schiene kann Bestandteil eines Schienensystems sein, das mehrere Schienenstücke umfasst und von den vertikalen Schienen geführt nach oben und unten verstellbar ist. Die horizontale Schiene kann ein unteres Schienenstück des Schienensystems sein, welches außerdem ein oberes Schienenstück umfassen kann, welches ebenfalls zum Führen der Wagen dienen kann. Das untere Schienenstück und das obere Schienenstück können miteinander parallel verlaufen. Das obere Schienenstück und das untere Schienenstück können an einer Platte angeordnet sein, die nach unten und oben verstellbar ist und beim Verstellen durch die vertikalen Schienen geführt wird. Die Platte kann eine Trägerplatte des Schienensystems sein.The horizontal rail can be part of a rail system which comprises several rail pieces and can be adjusted up and down guided by the vertical rails. The horizontal rail can be a lower rail section of the rail system, which can also comprise an upper rail section, which can also be used to guide the carriages. The lower rail section and the upper rail section can run parallel to one another. The upper rail piece and the lower rail piece can be arranged on a plate which can be adjusted upwards and downwards and which is guided through the vertical rails during adjustment. The plate can be a carrier plate of the rail system.

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 - in any combination with one another or with the developments already mentioned above, 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 und
Figur 2
die Vorrichtung aus Figur 1 in Draufsicht.
It shows:
Figure 1
a device for handling printing plates on a printing machine in side view and
Figure 2
the device off Figure 1 in plan view.

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 press 1 comprises printing units 2, 3 arranged in series 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 which conveys the printing plates 8 to the plate changers 6, 7 and back again after use. The operator removes a pallet 12 with the pressure plates 8 therein 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 press 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 serves to unload the new panels from the pallet 12 and to load them with old panels 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 via a plurality of coupling gears 19 to a slide 20 which, guided by a rail 21, is adjustable in the y direction.

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.Actuating drives 22, by means of which the first and second pallet carriers 16, 17 are pivoted relative to the third pallet carrier 18, are connected to the coupling gears 19. The third pallet carrier 18 extends through that pallet carrier 16 or 17 which was previously positioned along the rail 21 in an opposite position aligned with the third in the direction x Pallet carrier 18 has been moved. With this reaching through, the third pallet carrier 18 transfers or takes over 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 swivel arm 23 belonging to the loading station 14 and having a transport side 25 for the printing plates 8 can be swiveled about an axis 24 running in the y direction at its lower end. The pivot arm 23 is related to his Figure 1 left end position (drawn with full line) to its right end position (drawn with phantom line) and swiveled back again, and each time folded beyond its vertical alignment. In the right 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 extends parallel or flush with a transport strand 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 out of the transport side 25 and grip the respective uppermost pressure plate 8 of the plate stack on the pallet 12. The swivel arm 23 swivels with the pressure plate 8 sucked in by the lifting suckers 30 from the right to the left end position, where the lifting suckers 30 retract into the swivel arm 23 in order to place the gripped pressure plate 8 on the first conveyor belt 27. Thereafter, the working cycle of the swivel arm 23 is repeated, which removes the pressure plates 8 one after the other from the pallet 12 and places them on the belt conveyor 28.

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 ersten Förderbands 27 laufen in Lücken zwischen den Endlosbändern des zweiten Förderbands 31.The belt conveyor 28 comprises a second conveyor belt 31 which is alternately pivoted about a geometric axis 32 into a first operating position (drawn with a solid line) and a second operating position (drawn with a phantom line) by an actuator 52. The second conveyor belt 31 is vertically aligned in the first operating position and forms a common conveyor plane 33 with the first conveyor belt 27 in the second operating position. The two conveyor belts 27, 31 each consist of several endless belts that are of equal length and run parallel to one another around pulleys. Along the axis 32 there are pulleys over which the endless belts of the first conveyor belt 27 run Change arranged with pulleys, over which the endless belts of the second conveyor belt 31 run. In other words: the endless belts of the first conveyor belt 27 run in gaps between the endless belts of the second conveyor belt 31.

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 prongs running in the y direction, 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 in the pressure plate 8 through the gaps between the endless belts or perforations in the endless belts, so that it is pneumatically held 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 panels to a panel conveyor 34, which is arranged above the printing units 2, 3, and later takes over the old panels from the panel 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 attached to an endless traction means 36 or in engagement with this, specifically a toothed belt, and are driven jointly via the traction means 36 by a drive wheel 37. The traction means 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 around 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 carriages 35 comprises an upper rail section 39 and a lower rail section which is formed by a horizontal rail 40 which runs in the x direction. The entire rail system 38 has an oval or elongated ring shape, along which the carriages 35 circulate. To form the ring shape, the upper and lower rail pieces, which are straight and run parallel to one another, are connected to one another at their ends by curved rail pieces.

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.Self-supporting beams 41 with grippers 42 for holding the pressure plates 8 by clamping are arranged on the carriage 35. The bars 41 extend in the y direction over their length, each bar 41 in the y direction being at least as long as the pressure plate 8 is wide. The number of grippers 42 arranged in series 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 beam 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 cams 44 for actuating the grippers 42, the carriages 35 with the bars 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 carried by stands 45, each of which is assigned to a different printing unit 2, 3. The stands 45 can be designed as telescopic rail guides 50. Each stand 45 forms or has 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 upwards and downwards in the uprights 45 by one or more actuators (not shown in the drawing). The actuators can be arranged in the interior of the stand 45. The downward adjustment of the rail system 38 is used to insert the new plates into the plate changers 6, 7, especially the slots 9, synchronously with one another. Said adjustment upwards is used to pull the old plates out of the plate changers 6, 7, especially the slots 10, also synchronously with one another.

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 dem jeweiligen Balken 41 drückt, wodurch die Stange 47 in Richtung y verschoben wird, um über mit den Greifern 42 verbundene Hebel die Greifer 42 zu betätigen.The control cams 44 are arranged on a rod 47 on which an actuator 48 engages, which moves the rod 47 in the x direction to move the rod 47 into the required position, e.g. B. to open the gripper 42 to switch. Each control cam 44 has a slope inclined to the x direction which, when the control cam 44 is adjusted in the x direction, presses on a cam roller 51 on the respective bar 41, as a result of which the rod 47 is displaced in the y direction to move the levers connected to the grippers 42 To operate gripper 42.

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 pressure plate 8 is transferred from the second conveyor belt 31 to the corresponding bar 41, the second conveyor belt 31 is folded down, that is to say it is in its said first operating position. In this case, the pressure plate 8 to be transferred and located in the vertical position is held on the latter pneumatically, that is to say by the suction box of the second conveyor belt 31. The end of the pressure plate 8 pointing upwards protrudes beyond the second conveyor belt 31 and the conveying plane 33 and can therefore be easily grasped 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 slipping out of the subsequently closed grippers 42.

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 panels to unloading the new panels 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 panels is brought into an active position with the first pallet carrier 16 facing the pivot arm 23 in alignment with respect to direction x, and the second pallet carrier 17 moves into 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 panels 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 panels is brought into the active position with the opposite position aligned with the pivot arm 23 with respect to direction x, and the first pallet carrier 16 moves into a passive position on the operating side of the printing machine 1. The pivot arm 23 takes over Load the old panels one after the other from the belt conveyor 28 and deposit them on the pallet 26.

BezugszeichenlisteList of reference symbols

11
DruckmaschinePrinting press
22
DruckwerkPrinting unit
33
DruckwerkPrinting unit
44th
AnlegerInvestors
55
Stapelstack
66th
PlattenwechslerRecord changer
77th
PlattenwechslerRecord changer
88th
Druckplatteprinting plate
99
SchachtManhole
1010
SchachtManhole
1111
FlurfördermittelFloor conveyor
1212th
Palettepalette
1313th
PalettenliftPallet lift
1414th
LadestationCharging station
1515th
SaugkopfSuction head
1616
Erster PalettenträgerFirst pallet carrier
1717th
Zweiter PalettenträgerSecond pallet carrier
1818th
Dritter PalettenträgerThird pallet carrier
1919th
KoppelgetriebeLinkage
2020th
Schlittensleds
2121
Schienerail
2222nd
StellantriebActuator
2323
SchwenkarmSwivel arm
2424
Achseaxis
2525th
TransportseiteTransport side
2626th
Palettepalette
2727
Erstes FörderbandFirst conveyor belt
2828
BandfördererBelt conveyor
2929
BogenzuführtischSheet feed table
3030th
HubsaugerLifting suction device
3131
Zweites FörderbandSecond conveyor belt
3232
Achseaxis
3333
FörderebeneFunding level
3434
PlattenfördererPlate conveyor
3535
Wagendare
3636
ZugmittelTraction means
3737
Antriebsraddrive wheel
3838
SchienensystemRail system
3939
Oberes SchienenstückUpper rail piece
4040
Horizontale SchieneHorizontal rail
4141
Balkenbar
4242
GreiferGrapple
4343
Platteplate
4444
SteuerkurveControl curve
4545
StänderStand
4646
Vertikale SchieneVertical rail
4747
Stangepole
4848
StellantriebActuator
4949
Wellewave
5050
TeleskopschienenführungTelescopic rail guide
5151
KurvenrolleCam roller
5252
StellantriebActuator
xx
Richtungdirection
yy
Richtungdirection
zz
Richtungdirection

Claims (11)

Vorrichtung zum Handhaben von Druckplatten (8) an einer Druckmaschine (1), umfassend eine horizontale Schiene (40) zum Führen mindestens eines Wagens (35) zum Transportieren von Druckplatten (8) und mindestens eine vertikale Schiene (46) zum beim Verstellen der horizontalen Schiene (40) nach oben und unten erfolgenden Führen der horizontalen Schiene (40),
dadurch gekennzeichnet,
dass mehrere Wagen (35) zum Transportieren der Druckplatten (8) von der horizontalen Schiene (40) entlang einer Reihe von Druckwerken (2, 3) der Druckmaschine (1) gleichzeitig geführt werden und mehrere vertikale Schienen (46) zum beim Verstellen der horizontalen Schiene (40) zusammen mit den Wagen (35) nach oben und unten erfolgenden Führen der horizontalen Schiene (40) vorhanden sind, wobei die vertikalen Schienen (46) miteinander parallel verlaufen.Device for handling printing plates (8) on a printing machine (1), comprising a horizontal rail (40) for guiding at least one carriage (35) for transporting printing plates (8) and at least one vertical rail (46) for adjusting the horizontal Rail (40) leading the horizontal rail (40) up and down,
characterized,
that several carriages (35) for transporting the printing plates (8) from the horizontal rail (40) along a row of printing units (2, 3) of the printing machine (1) are guided simultaneously and several vertical rails (46) for adjusting the horizontal Rail (40) together with the carriages (35) up and down guiding the horizontal rail (40) are present, the vertical rails (46) running parallel to each other. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass jede der vertikalen Schienen (46) an einem anderen der Druckwerke (2, 3) platziert ist.Device according to claim 1,
characterized,
that each of the vertical rails (46) is placed on a different one of the printing units (2, 3). Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass Balken (41) mit Greifern (42) zum Halten der Druckplatten (8) vorhanden sind, jeder Balken (41) ein erstes Ende und ein zweites Ende aufweist, nur die ersten Enden an den Wagen (35) befestigt sind und die zweiten Enden freie Enden sind.Device according to claim 1 or 2,
characterized,
that bars (41) with grippers (42) for holding the pressure plates (8) are present, each bar (41) has a first end and a second end, only the first ends are attached to the carriage (35) and the second ends free ends are. Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass Steuerkurven (44) zum Öffnen der Greifer (42) vorhanden sind.Device according to one of Claims 1 to 3,
characterized,
that there are control cams (44) for opening the grippers (42). Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet,
dass die Steuerkurven (44) im gleichmäßigen Abstand voneinander angeordnet und miteinander verbunden sind.Device according to claim 4,
characterized,
that the control cams (44) are arranged at an even distance from one another and are connected to one another. Vorrichtung nach Anspruch 4 oder 5,
dadurch gekennzeichnet,
dass ein gemeinsamer Stellantrieb (48) vorhanden ist, der die Steuerkurven (44) zusammen verschiebt.Device according to claim 4 or 5,
characterized,
that there is a common actuator (48) which moves the control cams (44) together. Vorrichtung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass die Wagen (35) miteinander über ein gemeinsames Zugmittel (36) verbunden sind.Device according to one of Claims 1 to 6,
characterized,
that the carriages (35) are connected to one another via a common traction means (36). Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet,
dass das Zugmittel (36) endlos ist und ein Antriebsrad (37) umschlingt.Device according to claim 7,
characterized,
that the traction means (36) is endless and wraps around a drive wheel (37). Vorrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
dass die horizontale Schiene (40) eine unteres Schienenstück ist und mit dem unteren Schienenstück ein oberes Schienenstück (39) zum Führen der Wagen (35) parallel verläuft.Device according to one of Claims 1 to 8,
characterized,
that the horizontal rail (40) is a lower rail section and an upper rail section (39) for guiding the carriages (35) runs parallel to the lower rail section. Vorrichtung nach Anspruch 9,
dadurch gekennzeichnet,
dass das untere Schienenstück und das obere Schienenstück (39) an einer Platte (43) angeordnet sind, die nach unten und oben verstellbar ist und beim Verstellen durch die vertikalen Schienen (46) geführt wird.Device according to claim 9,
characterized,
that the lower rail piece and the upper rail piece (39) are arranged on a plate (43) which can be adjusted upwards and downwards and is guided by the vertical rails (46) during adjustment. Vorrichtung nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
dass die vertikalen Schienen (46) Bestandteile von Teleskopschienenführungen (50) sind.Device according to one of Claims 1 to 10,
characterized,
that the vertical rails (46) are components of telescopic rail guides (50).
EP20180236.0A 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine Active EP3851279B1 (en)

Priority Applications (1)

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

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CN113135036A (en) 2021-07-20
CN113147174A (en) 2021-07-23
DE102020207415A1 (en) 2021-07-22
DE102020207418A1 (en) 2021-07-22
DE102020207421A1 (en) 2021-07-22
EP3851281B1 (en) 2023-08-09
EP3851279B1 (en) 2023-08-09
CN113135033A (en) 2021-07-20
DE102020207420A1 (en) 2021-07-22
CN113147173A (en) 2021-07-23
CN113135034A (en) 2021-07-20
CN113135031A (en) 2021-07-20
DE102020207419A1 (en) 2021-07-22
CN113135035A (en) 2021-07-20
CN113135032A (en) 2021-07-20
EP3851280B1 (en) 2023-08-09
EP3851280A1 (en) 2021-07-21
EP3851281A1 (en) 2021-07-21

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