EP3851281A1 - 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
EP3851281A1
EP3851281A1 EP20180242.8A EP20180242A EP3851281A1 EP 3851281 A1 EP3851281 A1 EP 3851281A1 EP 20180242 A EP20180242 A EP 20180242A EP 3851281 A1 EP3851281 A1 EP 3851281A1
Authority
EP
European Patent Office
Prior art keywords
pallet
carrier
printing
pallet carrier
plate
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
EP20180242.8A
Other languages
German (de)
French (fr)
Other versions
EP3851281B1 (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 CN202110011254.3A priority Critical patent/CN113147174A/en
Publication of EP3851281A1 publication Critical patent/EP3851281A1/en
Application granted granted Critical
Publication of EP3851281B1 publication Critical patent/EP3851281B1/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 first pallet and a second pallet in which the printing plates are received, a first pallet carrier for carrying the first pallet and a second pallet carrier for carrying the second pallet.
  • the web-fed rotary printing press has four printing towers, each with two satellite printing units placed one above the other, each of the printing units comprising four printing units.
  • Such printing machines are known to be used for newspaper printing. Accordingly, the web-fed printing press has operating levels arranged vertically one above the other. With the help of a lift, a trolley with pressure plate containers is moved vertically between the operating levels.
  • This device is not suitable for a sheet-fed printing machine with the architecture corresponding to the series construction.
  • a device for handling printing plates on a printing machine comprising a first pallet and a second pallet in which the printing plates are received, a first pallet carrier for carrying the first pallet and a second pallet carrier for carrying the second pallet, thereby characterized in that the first pallet carrier and the second pallet carrier are mounted displaceably along a horizontal, common alignment line which runs transversely to a number of printing units of the printing machine.
  • the device according to the invention is particularly well suited for sheet-fed printing machines and is primarily intended for this.
  • the device is also suitable for certain web-fed rotary printing machines, namely for web-fed rotary printing machines with a similar design in series, e.g. B. those for commercial printing.
  • the printing machine can be an in-line sheet-fed printing machine, e.g. B. a perfector 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 press can have one or more additional printing units, e.g. B. Flexographic printing units for painting.
  • the third pallet carrier can carry one pallet when removing fresh printing plates (new printing plates) from this pallet and the other pallet when depositing used printing plates (old printing plates) in the latter pallet.
  • the first pallet carrier and the second pallet carrier can be attached to a common slide and a rail can be provided for guiding the slide horizontally in the transverse direction of the printing machine.
  • the rail can run on said alignment line or parallel to it.
  • the rail can alternately guide the carriage into a first position and a second position. When moving the carriage along the rail, the carriage can slide or roll on the rail. It can be provided that the first pallet carrier is opposite the third pallet carrier when the carriage is in its first position, and that the second pallet carrier is opposite the third pallet carrier when the carriage is in its second position is located.
  • the first pallet carrier in the first position of the carriage the first pallet carrier is located opposite a printing plate carrier and is in the second position of the carriage, the second pallet carrier is located opposite the printing plate carrier.
  • the printing plate carrier can serve to remove the new printing plates one after the other from one pallet and to deposit the old printing plates one after the other on the other pallet.
  • one of the pallet carriers can be opposite to the latter and the other pallet carrier can be opposite the latter when the old printing plates are deposited by the printing plate carrier.
  • the printing plate carrier and the third pallet carrier can be permanently opposite one another.
  • the printing plate support can be a swivel arm.
  • the swivel arm can be swiveled back and forth periodically in the conveying cycle of the printing plates. For example, each time a printing plate is removed, the printing plate carrier can be pivoted from a position parallel to the pallet carrier into a position parallel to a conveyor belt and back again.
  • the conveyor belt may comprise a series of belts or belts connected in parallel with one another.
  • the printing plate carrier can be designed as a rake and have a number of prongs running parallel to one another. When the printing plate carrier is moved into its position parallel to the conveyor belt, the prongs can mesh with the belts or belts. This allows the prongs to pass through the gaps between the bands or straps.
  • the printing plate carrier can pass in a meshing manner in the said manner.
  • the printing plate carrier can have a suction device for holding a printing plate pneumatically.
  • the suction device can have a suction mouth or preferably a plurality of suction mouths which are in contact with the printing plate when it is sucked in.
  • the or each suction opening can consist of a rubber-elastic material and / or be designed as a suction cup, which is advantageous in terms of protecting the plate surface.
  • the suction device can be connected to a vacuum generator, e.g. B. to a vacuum pump. This vacuum generator can generate a vacuum that is applied to the or each suction port.
  • the suction device can have lifting suction cups which extend out of the printing plate carrier in order to pneumatically grasp the printing plate. By extending the suction cups, z. B. their suction cups, are brought into contact with the top pressure plate of the plate stack, which is located in the pallet. The lifting suction devices can then move back into the printing plate carrier, as a result of which the gripped printing plate is pulled onto or towards the printing plate carrier.
  • the first pallet carrier and the second pallet carrier can be mounted pivotably relative to the third pallet carrier.
  • the first and second pallet carriers can be mounted either independently of one another or together so as to be pivotable relative to the third pallet carrier.
  • the first and second pallet carriers can be mounted pivotably about a common geometric axis which runs in the transverse direction of the printing machine, that is to say transversely to the row of printing units.
  • the first pallet carrier and the second pallet carrier can be used to operate them, for. B. for said pivoting relative to the third pallet carrier, be arranged on coupling gears.
  • the coupling gears can be identical.
  • the first pallet carrier and the second pallet carrier can each be arranged on only one coupling gear, for. B. when the two pallet carriers are connected and pivoted together.
  • the first pallet carrier and the second pallet carrier can each be arranged on at least two coupling gears, e.g. B. when the two pallet carriers are not connected to each other and pivoted separately from each other.
  • 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 is used to unload the new panels from the pallet 12 and the loading 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 has previously been moved along the rail 21 in an opposite position aligned with the third pallet carrier 18 in the direction x. 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 can also be referred to as a pressure plate carrier.
  • 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 sucker 30 retracts 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 in solid line) and second operating position (drawn in phantom line) by an actuator 52.
  • the second conveyor belt 31 is vertically aligned in the first operating position and forms a common conveying plane 33 with the first conveyor belt 27 in the second operating position.
  • 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 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 or in engagement with an endless traction means 36, specifically a toothed belt, and are driven jointly via the traction means 36 by a drive wheel 37.
  • the traction means 36 runs when conveying the new panels from the loading station 14 to the Printing units 6, 7 with respect to 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 serves to introduce the new disks into the disk changers 6, 7, especially the slots 9, synchronously with one another.
  • Said upward adjustment serves to pull the old plates out of the plate changers 6, 7, especially the shafts 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 plate 43, as a result of which the rod 47 is displaced in the y direction to move the grippers via levers connected to the grippers 42 42 to operate.
  • 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.
  • the first and second pallet carriers 16, 17 are displaced together along a common alignment line L which runs in the direction y.
  • Figures 3a and 3b show that the pallet 12 with new panels is located in the third pallet carrier 18 and the latter is located in the area of a vertical guide 53 of the pallet lift 13.
  • the floor conveyor 11 and the third pallet carrier 18 interlock, whereby the pallet 12 is transferred from the former to the latter.
  • the third pallet carrier 18 together with the picked-up pallet 12 is moved upwards along the vertical guide 53, as in FIG Figure 3a indicated with a movement arrow.
  • the first pallet carrier 16 is still empty, but is already facing the pivot arm 23, as in FIG Figure 3b evident.
  • the second pallet carrier 17 is here laterally - with respect to Figure 3a to the rear - pushed out and is no longer aligned with the pivot arm 23 in the direction x.
  • Figures 4a and 4b show that the third pallet carrier 18 is located opposite the first pallet carrier 16, the part of the third pallet carrier 18 carrying the pallet 12 and the pallet 12 being located between the pivot arm 23 and the first pallet carrier 16, as in FIG Figure 4a recognizable.
  • the third pallet carrier 18 is moved into this intermediate position along a horizontal guide 54 of the pallet lift 13 as in Figure 4b indicated by a movement arrow.
  • the horizontal guide 54 runs in the y direction and, like the vertical guide 53, is designed as a rail.
  • the kinematic chain of the coupling gears 19 has the effect that when the first pallet carrier 16 is pivoted, it maintains its parallel position with the third pallet carrier 18 with respect to the pallet receiving surfaces.
  • the third pallet carrier 18 and the first pallet carrier 16 interlock and the pallet 12 is transferred from the pallet receiving surface of the third pallet carrier 18 to the pallet receiving surface of the first pallet carrier 16.
  • the pallet receiving surface of the respective pallet carrier 16 or 18 can be formed by support rods or a support frame.
  • Figures 5a and 5b show that after the pivoting, the first pallet carrier 16 carries the pallet 12 and both are located together between the pivot arm 23 and the third pallet carrier 18.
  • the swivel arm 23 removes the pressure plates 8 one after the other.
  • the first and second pallet carriers 16, 17 are moved together along the alignment line L, so that the second pallet carrier 17 is then moved is in a loading position in which the second pallet carrier 17 is aligned with the pivot arm 23 in the x direction and can work together with the latter and with the third pallet carrier 18.

Abstract

Eine Vorrichtung zum Handhaben von Druckplatten (8) an einer Druckmaschine (1) umfasst eine erste Palette (12) und eine zweite Palette (26), in denen die Druckplatten (8) aufgenommen werden, einen ersten Palettenträger (16) zum Tragen der ersten Palette (12) und einen zweiten Palettenträger (17) zum Tragen der zweiten Palette (26). Der erste Palettenträger (16) und der zweite Palettenträger (17) sind entlang einer horizontalen, gemeinsamen Fluchtlinie (L) verschiebbar gelagert, die quer zu einer Reihe von Druckwerken (2, 3) der Druckmaschine (1) verläuft.A device for handling printing plates (8) on a printing machine (1) comprises a first pallet (12) and a second pallet (26), in which the printing plates (8) are received, a first pallet carrier (16) for carrying the first Pallet (12) and a second pallet carrier (17) for carrying the second pallet (26). The first pallet carrier (16) and the second pallet carrier (17) are mounted displaceably along a horizontal, common alignment line (L) which runs transversely to a number of printing units (2, 3) of the printing machine (1).

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend eine erste Palette und eine zweite Palette, in denen die Druckplatten aufgenommen werden, einen ersten Palettenträger zum Tragen der ersten Palette und einen zweiten Palettenträger zum Tragen der zweiten Palette.The present invention relates to a device for handling printing plates on a printing machine, comprising a first pallet and a second pallet in which the printing plates are received, a first pallet carrier for carrying the first pallet and a second pallet carrier for carrying the second pallet.

In der DE 10 2009 039 050 A1 ist eine Vorrichtung zu Handhabung von Druckplatten an einer Rollenrotationsdruckmaschine beschrieben. Die Rollenrotationsdruckmaschine weist vier Drucktürme mit jeweils zwei übereinander platzierten Satellitendruckeinheiten auf, wobei jede der Druckeinheiten vier Druckwerke umfasst. Solche Druckmaschinen werden bekanntermaßen für Zeitungsdruck verwendet. Dementsprechend weist die Rollendruckmaschine vertikal übereinander angeordnete Bedienebenen auf. Mit Hilfe eines Lifts wird ein Transportwagen mit Druckplattenbehältern zwischen den Bedienebenen vertikal verlagert wird. Diese Vorrichtung ist für eine Bogendruckmaschine mit der Reihenbauweise entsprechender Architektur nicht geeignet.In the DE 10 2009 039 050 A1 describes a device for handling printing plates on a web-fed rotary printing press. The web-fed rotary printing press has four printing towers, each with two satellite printing units placed one above the other, each of the printing units comprising four printing units. Such printing machines are known to be used for newspaper printing. Accordingly, the web-fed printing press has operating levels arranged vertically one above the other. With the help of a lift, a trolley with pressure plate containers is moved vertically between the operating levels. This device is not suitable for a sheet-fed printing machine with the architecture corresponding to the series construction.

Deshalb ist es Aufgabe der Erfindung, eine für Bogendruckmaschinen geeignete Vorrichtung zu schaffen.It is therefore the object of the invention to create a device suitable for sheet-fed printing machines.

Diese Aufgabe wird gelöst durch eine Vorrichtung zum Handhaben von Druckplatten an einer Druckmaschine, umfassend eine erste Palette und eine zweite Palette, in denen die Druckplatten aufgenommen werden, einen ersten Palettenträger zum Tragen der ersten Palette und einen zweiten Palettenträger zum Tragen der zweiten Palette, dadurch gekennzeichnet, dass der erste Palettenträger und der zweite Palettenträger entlang einer horizontalen, gemeinsamen Fluchtlinie verschiebbar gelagert sind, die quer zu einer Reihe von Druckwerken der Druckmaschine verläuft.This object is achieved by a device for handling printing plates on a printing machine, comprising a first pallet and a second pallet in which the printing plates are received, a first pallet carrier for carrying the first pallet and a second pallet carrier for carrying the second pallet, thereby characterized in that the first pallet carrier and the second pallet carrier are mounted displaceably along a horizontal, common alignment line which runs transversely to a number of printing units of the printing machine.

Die erfindungsgemäße Vorrichtung ist für Bogendruckmaschinen besonders gut geeignet und vorrangig dafür vorgesehen.The device according to the invention is particularly well suited for sheet-fed printing machines and is primarily intended for this.

Ein Zusatzvorteil ist, dass die Vorrichtung auch für bestimmte Rollenrotationsdruckmaschinen geeignet ist, nämlich für der Reihenbauweise ähnlich ausgebildete Rollenrotationsdruckmaschinen, z. B. solche für Akzidenzdruck.An additional advantage is that the device is also suitable for certain web-fed rotary printing machines, namely for web-fed rotary printing machines with a similar design in series, e.g. B. those for commercial printing.

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. 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. Es kann ein dritter Palettenträger zum wechselweisen Tragen der ersten Palette und der zweiten Palette vorhanden sein. Beispielsweise kann der dritte Palettenträger die eine Palette bei der Entnahme von frischen Druckplatten (Neudruckplatten) aus dieser Palette und die andere Palette beim Ablegen von benutzten Druckplatten (Altdruckplatten) in letztgenannte Palette tragen.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. 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. There can be a third pallet carrier for alternately carrying the first pallet and the second pallet. For example, the third pallet carrier can carry one pallet when removing fresh printing plates (new printing plates) from this pallet and the other pallet when depositing used printing plates (old printing plates) in the latter pallet.

Der erste Palettenträger und der zweite Palettenträger können an einem gemeinsamen Schlitten befestigt sein und es kann eine Schiene zum horizontalen Führen des Schlittens in Querrichtung der Druckmaschine vorhanden sein. Die Schiene kann auf besagter Fluchtlinie oder parallel mit dieser verlaufen. Die Schiene kann den Schlitten wechselweise in eine erste Position und eine zweite Position führen. Beim Verschieben des Schlittens entlang der Schiene kann der Schlitten auf der Schiene gleiten oder rollen. Es kann vorgesehen sein, dass sich der erste Palettenträger in Gegenüberlage mit dem dritten Palettenträger befindet, wenn sich der Schlitten in seiner ersten Position befindet, und dass sich der zweite Palettenträger in Gegenüberlage mit dem dritten Palettenträger befindet, wenn sich der Schlitten in seiner zweiten Position befindet.The first pallet carrier and the second pallet carrier can be attached to a common slide and a rail can be provided for guiding the slide horizontally in the transverse direction of the printing machine. The rail can run on said alignment line or parallel to it. The rail can alternately guide the carriage into a first position and a second position. When moving the carriage along the rail, the carriage can slide or roll on the rail. It can be provided that the first pallet carrier is opposite the third pallet carrier when the carriage is in its first position, and that the second pallet carrier is opposite the third pallet carrier when the carriage is in its second position is located.

Es kann vorgesehen sein, dass sich in der ersten Position des Schlittens der erste Palettenträger in Gegenüberlage mit einem Druckplattenträger befindet und sich in der zweiten Position des Schlittens der zweite Palettenträger in Gegenüberlage mit dem Druckplattenträger befindet. Der Druckplattenträger kann dazu dienen, die Neudruckplatten nacheinander aus der einen Palette zu entnehmen und die Altdruckplatten nacheinander auf der anderen Palette abzulegen. Beispielsweise kann sich der eine Palettenträger bei der Entnahme von Neudruckplatten durch den Druckplattenträger mit diesem in Gegenüberlage befinden und kann sich der andere Palettenträger beim Ablegen der Altdruckplatten durch den Druckplattenträger mit letzterem in Gegenüberlage befinden. Der Druckplattenträger und der dritte Palettenträger können sich miteinander permanent in Gegenüberlage befinden.It can be provided that in the first position of the carriage the first pallet carrier is located opposite a printing plate carrier and is in the second position of the carriage, the second pallet carrier is located opposite the printing plate carrier. The printing plate carrier can serve to remove the new printing plates one after the other from one pallet and to deposit the old printing plates one after the other on the other pallet. For example, when the printing plate carrier removes new printing plates, one of the pallet carriers can be opposite to the latter and the other pallet carrier can be opposite the latter when the old printing plates are deposited by the printing plate carrier. The printing plate carrier and the third pallet carrier can be permanently opposite one another.

Der Druckplattenträger kann ein Schwenkarm sein. Der Schwenkarm kann im Fördertakt der Druckplatten periodisch hin und her geschwenkt werden. Zum Beispiel bei jeder Entnahme einer Druckplatte kann der Druckplattenträger aus einer mit dem Palettenträger parallelen Position in eine mit einem Förderband parallele Position und wieder zurück geschwenkt werden. Das Förderband kann eine Reihe miteinander parallelgeschalteter Bänder oder Riemen umfassen. Der Druckplattenträger kann als Rechen ausgebildet sein und eine Reihe miteinander parallel verlaufender Zinken aufweisen. Beim Bewegen des Druckplattenträgers in seine mit dem Förderband parallele Position können die Zinken mit den Bändern oder Riemen kämmen. Auf diese Weise können die Zinken durch die Lücken zwischen den Bändern oder Riemen hindurchtreten. Der Druckplattenträger kann das Förderband beim Aufnehmen einer Druckplatte vom Förderband und/oder beim Ablegen einer Druckplatte auf das Förderband in besagter Weise kämmend passieren.The printing plate support can be a swivel arm. The swivel arm can be swiveled back and forth periodically in the conveying cycle of the printing plates. For example, each time a printing plate is removed, the printing plate carrier can be pivoted from a position parallel to the pallet carrier into a position parallel to a conveyor belt and back again. The conveyor belt may comprise a series of belts or belts connected in parallel with one another. The printing plate carrier can be designed as a rake and have a number of prongs running parallel to one another. When the printing plate carrier is moved into its position parallel to the conveyor belt, the prongs can mesh with the belts or belts. This allows the prongs to pass through the gaps between the bands or straps. When a printing plate is picked up from the conveyor belt and / or when a printing plate is placed on the conveyor belt, the printing plate carrier can pass in a meshing manner in the said manner.

Der Druckplattenträger kann eine Saugeinrichtung zum pneumatischen Festhalten einer Druckplatte aufweisen. Die Saugeinrichtung kann eine Saugmündung oder vorzugsweise mehrere Saugmündungen aufweisen, welche beim Ansaugen der Druckplatte mit dieser in Kontakt stehen. Die oder jede Saugmündung kann aus einem gummielastischen Material bestehen und/oder als Saugnapf ausgebildet sein, was hinsichtlich einer Schonung der Plattenoberfläche vorteilhaft ist. Die Saugeinrichtung kann an einen Vakuumerzeuger angeschlossen sein, z. B. an eine Vakuumpumpe. Durch diesen Vakuumerzeuger kann ein Vakuum erzeugt werden, das an der oder jeder Saugmündung anliegt.The printing plate carrier can have a suction device for holding a printing plate pneumatically. The suction device can have a suction mouth or preferably a plurality of suction mouths which are in contact with the printing plate when it is sucked in. The or each suction opening can consist of a rubber-elastic material and / or be designed as a suction cup, which is advantageous in terms of protecting the plate surface. The suction device can be connected to a vacuum generator, e.g. B. to a vacuum pump. This vacuum generator can generate a vacuum that is applied to the or each suction port.

Die Saugeinrichtung kann Hubsauger aufweisen, die zum pneumatischen Ergreifen der Druckplatte aus dem Druckplattenträger ausfahren. Durch das Ausfahren können die Hubsauger, z. B. deren Saugnäpfe, in Kontakt gebracht werden mit der obersten Druckplatte des Plattenstapels, der sich in der Palette befindet. Danach können die Hubsauger wieder in den Druckplattenträger einfahren, wodurch die ergriffene Druckplatte auf den Druckplattenträger oder zu diesem hin gezogen wird.The suction device can have lifting suction cups which extend out of the printing plate carrier in order to pneumatically grasp the printing plate. By extending the suction cups, z. B. their suction cups, are brought into contact with the top pressure plate of the plate stack, which is located in the pallet. The lifting suction devices can then move back into the printing plate carrier, as a result of which the gripped printing plate is pulled onto or towards the printing plate carrier.

Der erste Palettenträger und der zweite Palettenträger können relativ zu dem dritten Palettenträger schwenkbar gelagert sein. Hierbei können der erste und zweite Palettenträger entweder voneinander unabhängig oder zusammen relativ zu dem dritten Palettenträger schwenkbar gelagert sein. Der erste und zweite Palettenträger können um eine gemeinsame geometrische Achse schwenkbar gelagert sein, welche in Querrichtung der Druckmaschine verläuft, also quer zu der Reihe von Druckwerken. Der erste Palettenträger und der zweite Palettenträger können zu ihrer Betätigung, z. B. zum besagten Schwenken relativ zum dritten Palettenträger, an Koppelgetrieben angeordnet sein. Die Koppelgetriebe können baugleich sein. Hierbei können der erste Palettenträger und der zweite Palettenträger an jeweils nur einem Koppelgetriebe angeordnet sein, z. B., wenn die beiden Palettenträger miteinander verbunden sind und zusammen geschwenkt werden. Alternativ können der erste Palettenträger der und zweite Palettenträger jeweils an mindestens zwei Koppelgetrieben angeordnet sein, z. B., wenn die beiden Palettenträger miteinander nicht verbunden sind und voneinander getrennt geschwenkt werden.The first pallet carrier and the second pallet carrier can be mounted pivotably relative to the third pallet carrier. Here, the first and second pallet carriers can be mounted either independently of one another or together so as to be pivotable relative to the third pallet carrier. The first and second pallet carriers can be mounted pivotably about a common geometric axis which runs in the transverse direction of the printing machine, that is to say transversely to the row of printing units. The first pallet carrier and the second pallet carrier can be used to operate them, for. B. for said pivoting relative to the third pallet carrier, be arranged on coupling gears. The coupling gears can be identical. Here, the first pallet carrier and the second pallet carrier can each be arranged on only one coupling gear, for. B. when the two pallet carriers are connected and pivoted together. Alternatively, the first pallet carrier and the second pallet carrier can each be arranged on at least two coupling gears, e.g. B. when the two pallet carriers are not connected to each other and pivoted separately from each other.

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,
Figur 2
die Vorrichtung aus Figur 1 in Draufsicht,
Figuren 3a und 3b
eine erste Arbeitsphase (Paletten-Transport) von Komponenten (Palettenlift, Ladestation, Druckplattenträger) der Vorrichtung aus den Figuren 1 und 2 in Seitenansicht (Figur 3a) und Draufsicht (Figur 3b),
Figuren 4a und 4b
eine zweite Arbeitsphase (Paletten-Übergabe) der Komponenten aus den Figuren 3a und 3b in Seitenansicht (Figur 4a) und Draufsicht (Figur 4b) und
Figuren 5a und 5b
eine dritte Arbeitsphase (Druckplatten-Entladen) der Komponenten aus den Figuren 3a und 3b in Seitenansicht (Figur 5a) und Draufsicht (Figur 5b).
It shows:
Figure 1
a device for handling printing plates on a printing machine in a side view,
Figure 2
the device off Figure 1 in plan view,
Figures 3a and 3b
a first work phase (pallet transport) of components (pallet lift, loading station, printing plate carrier) of the device from the Figures 1 and 2 in side view ( Figure 3a ) and top view ( Figure 3b ),
Figures 4a and 4b
a second work phase (pallet handover) of the components from the Figures 3a and 3b in side view ( Figure 4a ) and top view ( Figure 4b ) and
Figures 5a and 5b
a third work phase (printing plate unloading) of the components from the Figures 3a and 3b in side view ( Figure 5a ) and top view ( Figure 5b ).

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 is used to unload the new panels from the pallet 12 and the loading 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 has previously been moved along the rail 21 in an opposite position aligned with the third pallet carrier 18 in the direction x. 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 kann auch als Druckplattenträger bezeichnet werden. 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 can also be referred to as a pressure plate carrier. 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 sucker 30 retracts 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 in solid line) and second operating position (drawn in phantom line) by an actuator 52. The second conveyor belt 31 is vertically aligned in the first operating position and forms a common conveying plane 33 with the first conveyor belt 27 in the second operating position. Along the axis 32 there 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 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 or in engagement with an endless traction means 36, specifically a toothed belt, and are driven jointly via the traction means 36 by a drive wheel 37. The traction means 36 runs when conveying the new panels from the loading station 14 to the Printing units 6, 7 with respect to 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 serves to introduce the new disks into the disk changers 6, 7, especially the slots 9, synchronously with one another. Said upward adjustment serves to pull the old plates out of the plate changers 6, 7, especially the shafts 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 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 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 plate 43, as a result of which the rod 47 is displaced in the y direction to move the grippers via levers connected to the grippers 42 42 to operate.

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.

Beim Verfahren des Schlittens 20 entlang der Schiene 21 werden der erste und zweite Palettenträger 16, 17 zusammen entlang einer gemeinsamen Fluchtlinie L verschoben, die in Richtung y verläuft.When the carriage 20 is moved along the rail 21, the first and second pallet carriers 16, 17 are displaced together along a common alignment line L which runs in the direction y.

In den Figuren 3a - 5b sind nacheinander erfolgende Arbeitsphasen dargestellt.In the Figures 3a - 5b successive work phases are shown.

Figuren 3a und 3b zeigen, dass sich die Palette 12 mit Neuplatten im dritten Palettenträger 18 befindet und letzterer sich im Bereich einer Vertikalführung 53 des Palettenlifts 13 befindet. Das Flurfördermittel 11 und der dritte Palettenträger 18 greifen ineinander, wodurch von ersterem an letzteren die Palette 12 übergeben wird. Danach wird der dritte Palettenträger 18 mitsamt der aufgenommenen Palette 12 entlang der Vertikalführung 53 nach oben verfahren, wie in Figur 3a mit einem Bewegungspfeil angedeutet. Der erste Palettenträger 16 ist noch leer, befindet sich aber schon in Gegenüberlage mit dem Schwenkarm 23, wie in Figur 3b ersichtlich. Der zweite Palettenträger 17 ist hierbei seitlich - bezüglich Figur 3a nach hinten - herausgeschoben und fluchtet nicht mehr mit dem Schwenkarm 23 in Richtung x. Figures 3a and 3b show that the pallet 12 with new panels is located in the third pallet carrier 18 and the latter is located in the area of a vertical guide 53 of the pallet lift 13. The floor conveyor 11 and the third pallet carrier 18 interlock, whereby the pallet 12 is transferred from the former to the latter. Thereafter, the third pallet carrier 18 together with the picked-up pallet 12 is moved upwards along the vertical guide 53, as in FIG Figure 3a indicated with a movement arrow. The first pallet carrier 16 is still empty, but is already facing the pivot arm 23, as in FIG Figure 3b evident. The second pallet carrier 17 is here laterally - with respect to Figure 3a to the rear - pushed out and is no longer aligned with the pivot arm 23 in the direction x.

Figuren 4a und 4b zeigen, dass sich der dritte Palettenträger 18 in Gegenüberlage mit dem ersten Palettenträger 16 befindet, wobei sich der die Palette 12 tragende Teil des dritten Palettenträgers 18 und die Palette 12 zwischen dem Schwenkarm 23 und dem ersten Palettenträger 16 befinden, wie in Figur 4a erkennbar. In diese Zwischenposition ist der dritte Palettenträger 18 entlang einer Horizontalführung 54 des Palettenlifts 13 verfahren worden, wie in Figur 4b durch einen Bewegungspfeil angedeutet. Die Horizontalführung 54 verläuft in Richtung y und ist ebenso wie die Vertikalführung 53 als Schiene ausgebildet. Wenn sich der dritte Palettenträger 18 in der Zwischenposition befindet, wir mittels der Koppelgetriebe 19 der erste Palettenträger 16 aus seiner in Figur 4a gezeigten Position in die Position gemäß Figur 5a geschwenkt. Die kinematische Kette der Koppelgetriebe 19 bewirkt, dass beim Schwenken des ersten Palettenträgers 16 dieser seine bezüglich der Palettenaufnahmeflächen parallele Lage mit dem dritten Palettenträger 18 beibehält. Beim Schwenken greifen der dritte Palettenträger 18 und erste Palettenträger 16 ineinander und wird die Palette 12 von der Palettenaufnahmefläche des dritten Palettenträgers 18 an die Palettenaufnahmefläche des ersten Palettenträgers 16 übergeben. Die Palettenaufnahmefläche des jeweiligen Palettenträgers 16 oder 18 kann durch Tragstäbe oder einen Tragrahmen gebildet sein. Figures 4a and 4b show that the third pallet carrier 18 is located opposite the first pallet carrier 16, the part of the third pallet carrier 18 carrying the pallet 12 and the pallet 12 being located between the pivot arm 23 and the first pallet carrier 16, as in FIG Figure 4a recognizable. The third pallet carrier 18 is moved into this intermediate position along a horizontal guide 54 of the pallet lift 13 as in Figure 4b indicated by a movement arrow. The horizontal guide 54 runs in the y direction and, like the vertical guide 53, is designed as a rail. When the third pallet carrier 18 is in the intermediate position, we move the first pallet carrier 16 out of its in by means of the coupling gears 19 Figure 4a position shown in the position according to Figure 5a panned. The kinematic chain of the coupling gears 19 has the effect that when the first pallet carrier 16 is pivoted, it maintains its parallel position with the third pallet carrier 18 with respect to the pallet receiving surfaces. When pivoting, the third pallet carrier 18 and the first pallet carrier 16 interlock and the pallet 12 is transferred from the pallet receiving surface of the third pallet carrier 18 to the pallet receiving surface of the first pallet carrier 16. The pallet receiving surface of the respective pallet carrier 16 or 18 can be formed by support rods or a support frame.

Figuren 5a und 5b zeigen, dass nach dem Schwenken der erste Palettenträger 16 die Palette 12 trägt und sich beide zusammen zwischen dem Schwenkarm 23 und dem dritten Palettenträger 18 befinden. Der Schwenkarm 23 entnimmt in dieser Zwischenposition des ersten Palettenträgers 16 mit der Palette 12 daraus nacheinander die Druckplatten 8. Nach dem Entladen der Palette 12 werden der erste und zweite Palettenträger 16, 17 zusammen entlang der Fluchtlinie L verfahren, sodass danach der zweite Palettenträger 17 sich in einer Ladeposition befindet, in welcher der zweite Palettenträger 17 in Richtung x mit dem Schwenkarm 23 fluchtet und mit diesem sowie dem dritten Palettenträger 18 zusammenarbeiten kann. Figures 5a and 5b show that after the pivoting, the first pallet carrier 16 carries the pallet 12 and both are located together between the pivot arm 23 and the third pallet carrier 18. In this intermediate position of the first pallet carrier 16 with the pallet 12, the swivel arm 23 removes the pressure plates 8 one after the other. After the pallet 12 has been unloaded, the first and second pallet carriers 16, 17 are moved together along the alignment line L, so that the second pallet carrier 17 is then moved is in a loading position in which the second pallet carrier 17 is aligned with the pivot arm 23 in the x direction and can work together with the latter and with the third pallet carrier 18.

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
5353
VertikalführungVertical guide
5454
HorizontalführungHorizontal guidance
LL.
FluchtlinieAlignment
xx
Richtungdirection
yy
Richtungdirection
zz
Richtungdirection

Claims (10)

Vorrichtung zum Handhaben von Druckplatten (8) an einer Druckmaschine (1), umfassend eine erste Palette (12) und eine zweite Palette (26), in denen die Druckplatten (8) aufgenommen werden, einen ersten Palettenträger (16) zum Tragen der ersten Palette (12) und einen zweiten Palettenträger (17) zum Tragen der zweiten Palette (26),
dadurch gekennzeichnet,
dass der erste Palettenträger (16) und der zweite Palettenträger (17) entlang einer horizontalen, gemeinsamen Fluchtlinie (L) verschiebbar gelagert sind, die quer zu einer Reihe von Druckwerken (2, 3) der Druckmaschine (1) verläuft.Device for handling printing plates (8) on a printing machine (1), comprising a first pallet (12) and a second pallet (26) in which the printing plates (8) are received, a first pallet carrier (16) for carrying the first Pallet (12) and a second pallet carrier (17) for carrying the second pallet (26),
characterized,
that the first pallet carrier (16) and the second pallet carrier (17) are mounted displaceably along a horizontal, common alignment line (L) which runs transversely to a row of printing units (2, 3) of the printing machine (1). Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass ein dritter Palettenträger (18) zum wechselweisen Tragen der ersten Palette (12) und der zweiten Palette (26) vorhanden ist.Device according to claim 1,
characterized,
that there is a third pallet carrier (18) for alternately carrying the first pallet (12) and the second pallet (26). Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass der erste Palettenträger (16) und der zweite Palettenträger (17) an einem gemeinsamen Schlitten (20) befestigt sind und eine Schiene (21) zum horizontalen Führen des Schlittens (20) in Querrichtung der Druckmaschine (1) wechselweise in eine erste Position und eine zweite Position vorhanden ist.Device according to claim 1 or 2,
characterized,
that the first pallet carrier (16) and the second pallet carrier (17) are attached to a common slide (20) and a rail (21) for horizontal guidance of the slide (20) in the transverse direction of the printing machine (1) alternately in a first position and there is a second position. Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass sich in der ersten Position des Schlittens (20) der erste Palettenträger (16) in Gegenüberlage mit dem dritten Palettenträger (18) und in der zweiten Position des Schlittens (20) der zweite Palettenträger (17) in Gegenüberlage mit dem dritten Palettenträger (18) befindet.Device according to claim 3,
characterized,
that in the first position of the carriage (20) the first pallet carrier (16) is opposite the third pallet carrier (18) and in the second position of the carriage (20) the second pallet carrier (17) is opposite the third pallet carrier (18) ) is located. Vorrichtung nach Anspruch 3 oder 4,
dadurch gekennzeichnet,
dass sich in der ersten Position des Schlittens (20) der erste Palettenträger (16) in Gegenüberlage mit einem Druckplattenträger und in der zweiten Position des Schlittens (20) der zweite Palettenträger (17) in Gegenüberlage mit dem Druckplattenträger befindet.Device according to claim 3 or 4,
characterized,
that in the first position of the carriage (20) the first pallet carrier (16) is opposite a printing plate carrier and in the second position of the carriage (20) the second pallet carrier (17) is opposite the printing plate carrier. Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet,
dass der Druckplattenträger ein Schwenkarm (23) ist.Device according to claim 5,
characterized,
that the printing plate carrier is a swivel arm (23). Vorrichtung nach Anspruch 5 oder 6,
dadurch gekennzeichnet,
dass der Druckplattenträger eine Saugeinrichtung zum pneumatischen Festhalten einer Druckplatte (8) aufweist.Device according to claim 5 or 6,
characterized,
that the printing plate carrier has a suction device for pneumatically holding a printing plate (8). Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet,
dass die Saugeinrichtung Hubsauger (30) aufweist, die aus dem Druckplattenträger ausfahren.Device according to claim 7,
characterized,
that the suction device has lifting suction devices (30) which extend out of the pressure plate carrier. Vorrichtung nach einem der Ansprüche 2 bis 8,
dadurch gekennzeichnet,
dass der erste Palettenträger (16) und der zweite Palettenträger (17) relativ zu dem dritten Palettenträger (18) schwenkbar gelagert sind.Device according to one of Claims 2 to 8,
characterized,
that the first pallet carrier (16) and the second pallet carrier (17) are mounted pivotably relative to the third pallet carrier (18). Vorrichtung nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
dass der erste Palettenträger (16) und der zweite Palettenträger (17) zu deren Betätigung an Koppelgetrieben (19) angeordnet sind.Device according to one of Claims 1 to 9,
characterized,
that the first pallet carrier (16) and the second pallet carrier (17) are arranged on coupling gears (19) for their actuation.
EP20180242.8A 2020-01-20 2020-06-16 Device for handling printing plates on a printing machine Active EP3851281B1 (en)

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CN113147173A (en) 2021-07-23
DE102020207418A1 (en) 2021-07-22
CN113135036A (en) 2021-07-20
DE102020207415A1 (en) 2021-07-22
CN113135032A (en) 2021-07-20
DE102020207421A1 (en) 2021-07-22
CN113135034A (en) 2021-07-20
DE102020207420A1 (en) 2021-07-22
CN113135033A (en) 2021-07-20
DE102020207419A1 (en) 2021-07-22
CN113135031A (en) 2021-07-20
EP3851279A1 (en) 2021-07-21
EP3851280B1 (en) 2023-08-09
EP3851280A1 (en) 2021-07-21

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