EP0185965B1 - Transfer cylinder for a rotary sheet-printing press - Google Patents

Transfer cylinder for a rotary sheet-printing press Download PDF

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Publication number
EP0185965B1
EP0185965B1 EP19850115216 EP85115216A EP0185965B1 EP 0185965 B1 EP0185965 B1 EP 0185965B1 EP 19850115216 EP19850115216 EP 19850115216 EP 85115216 A EP85115216 A EP 85115216A EP 0185965 B1 EP0185965 B1 EP 0185965B1
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EP
European Patent Office
Prior art keywords
sheet
transfer cylinder
region
sheet transfer
swinging
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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.)
Expired
Application number
EP19850115216
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German (de)
French (fr)
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EP0185965A3 (en
EP0185965A2 (en
Inventor
Willi Becker
Norbert Dr. Thünker
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP0185965A2 publication Critical patent/EP0185965A2/en
Publication of EP0185965A3 publication Critical patent/EP0185965A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • the invention relates to a sheet transfer cylinder for sheet-fed rotary printing presses according to the preamble of patent claim 1.
  • the paper sheet In multi-color sheet-fed rotary printing presses in series, the paper sheet is moved from one printing unit to another in the. transported for example by means of a generic sheet transfer cylinder.
  • the sheet of paper lies with the printed side on the outer surface of the sheet transfer cylinder, which is why it is possible to smear the still wet print.
  • US Pat. No. 1,358,843 is to be mentioned as prior art.
  • the sheet-carrying outer surface there consists of four segments, each of which extends over the width of the sheet transfer cylinder and can be adjusted radially by means of an adjusting mechanism. The adjustment is made for all segments at the same time with a hand lever to be attached to the front.
  • the design effort is relatively high, since in addition to the entire adjusting mechanism, several additional plungers are required as guide means for each segment in order to prevent any transverse movement in the longitudinal direction of the cylinder in addition to the radial movement.
  • Another disadvantage is that the radial adjustment can only be done in stages. Neither is the necessity taken into account to immerse each segment in the sheet transfer cylinder to different depths, since, for example, the end of the paper sheet flutters more than the leading edge of the sheet held by grippers.
  • the sheet transfer cylinder according to the invention has further favorable properties which can be derived from the following description of the figures and from the subclaims which claim advantageous configurations.
  • a sheet guide cylinder in multicolour sheet-fed rotary printing presses for face or back printing is already known, in which guide segments located on its circumference are arranged such that they can be moved radially and a parallel rocker is provided for the radial movement of the guide segments.
  • the cam-controlled articulated mechanism has a further oscillating parallel crank gear on the oscillating shafts, in order thereby to ensure the forced operation when the cam-controlled circular eccentrics are moved out of their extended position.
  • FIG. 1 shows a sheet transfer cylinder 1 with this associated printing cylinders 2, 3 of an upstream or downstream printing unit.
  • three sheet support segments 5 are provided which are distributed uniformly over the circumference and extend over the length of the sheet transfer extension cylinder 1, each of which can carry a sheet 4.
  • the gripper bridges 6 each associated with the sheet support segments 5 with grippers 7 and gripper supports 8 acting in the usual way hold each sheet 4 firmly.
  • the gripper bridges 6 are arranged by means of fastening means 9 on corresponding ones on an inner cylinder 10. Web 11 attached.
  • a toothed disk 20, 21 is rotatably mounted on each bearing pin 16, 17 and secured axially by means of a locking ring 22, 23.
  • a pinion 24, 25 engages, which is in each case rotatably arranged on an adjusting shaft 26 extending over the length of the sheet transfer cylinder 1, which in turn rotates itself at corresponding bearing points 27-29 of the inner cylinder 10 supports.
  • a worm wheel 30 is mounted on the actuating shaft 26.
  • a worm 31 engages in this, in the extension of which an adjusting bolt 32 is provided, the upper head end 33 of which can be rotated by means of corresponding working means (eg socket wrench) and which can be locked by means of the locking screw 73.
  • screw 31 and adjusting bolt 32 are mounted in a holder 34 fastened to one of the three gripper bridges 6.
  • a coupling rod 39, 40 is articulated at each articulation points 37, 38 of each toothed disk 20, 21, the other articulation point 41, 42 of which is connected to the area of each sheet support segment 5 carrying the trailing edge 4.1 of the bow, as well as to a rocker 43, 44 in Connection is established, which in turn is attached to a frame-fixed articulation point 45, 46, which is located on an extension 47 of the web 11.
  • This gear mechanism is thus designed as an oscillating four-link coupling gear, the drive rocker being determined by the radial distance (from the cylinder center line 72) of the articulation point 37, 38 of the coupling rod 39, 40 on the toothed disk 20, 21.
  • each sheet support segment 5 which carries the leading edge 4.2 of the sheet has a further articulation point 48, 49 for a further rocker 50, 51 which is rotatably mounted on an extension 52, 53 which is fixed to the frame and is attached to the gripper pad 8.
  • the bearing points described above are formed by appropriately arranged bearing bolts.
  • the radial adjustment path 60, 61 over the circumferential surface of each sheet support segment 5 differs, namely in the area of the sheet trailing edge 4.1 larger than in the area of the sheet leading edge 4.2.
  • FIG. 4 shows a further embodiment of a sheet transfer cylinder 62 according to the invention. Only the areas of each of the three sheet support segments 63 carrying the sheet trailing edge 4.1 are radially adjustable.
  • the coupling rod 39, 40 articulated on the toothed disk 20, 21 according to the first embodiment on both end faces 12, 13 of the sheet transfer cylinder 62 is in turn connected to the sheet support segment 63 at the articulation point 37, 38.
  • the area of the sheet support segment 63 which carries the sheet leading edge 4.2 is directly connected at the articulation point 64 to a web 65 of the gripper pad 8 which is fixed to the frame.
  • the sheet support segments 63 can be brought into the position shown in broken lines in FIG.
  • the system is designed as a four-link oscillating coupling gear, the drive rocker in turn being determined by the radial distance (from the cylinder center line 72) of the articulation point 37, 38 of the coupling rod 39, 40 on the toothed disk 20, 21.
  • the output rocker arm is itself formed by the sheet support segments 63.
  • the oscillating four-link coupling gear used on both end faces 12, 13 of the sheet transfer cylinder 67 are each formed by the sheet support segment 66 of the sheet transfer cylinder 67, which represents the paddle, to which the driving pulley 20 and a driven rocker 70 mounted on the articulation point 70 are attached to the articulation points 68, 69 71 attack.
  • the gear train 20, 21, 24, 25, 30, 31 with a subsequent coupling gear thus allows simultaneous and stepless radial adjustability of the sheet support segments in all embodiments, a rapid adjustment to the respective requirements being possible in a simple manner.
  • the arch transfer cylinder which is adjustable according to the invention, is therefore characterized by a high degree of flexibility, it being additionally conceivable to take the appropriate precautions (for example, alternatively bores for pivot pins for each articulation point) during its manufacture. This could be different articulation points be placed elsewhere so that the transmission link lengths can be changed, which in turn results in a change in the coupling curves of the individual coupling links, thereby adapting the adjustment range of the radial adjustment of the sheet support segments to the given requirements.
  • the radial adjustment could, as described above, be carried out manually by a socket wrench or controlled by a motor, hydraulically or pneumatically.
  • the use on other multiple drums (double, quadruple) is also conceivable and is within the scope of the invention.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Press Drives And Press Lines (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

Die Erfindung betrifft einen Bogenübertragungszylinder für Bogenrotationsdruckmaschinen gemäß Oberbegriff des Patentanspruches 1.The invention relates to a sheet transfer cylinder for sheet-fed rotary printing presses according to the preamble of patent claim 1.

Bei Mehrfarbenbogenrotationsdruckmaschinen in Reihenbauweise wird der Papierbogen von dem einen Druckwerk zu einem weiteren beim. spielsweise mittels eines gattungsgemäßen Bogenübertragungszylinders transportiert. Dabei liegt der Papierbogen mit der bedruckten Seite auf der Mantelfläche des Bogenübertragungszylinders auf, weshalb ein Abschmieren des noch feuchten Aufdruckes möglich ist.In multi-color sheet-fed rotary printing presses in series, the paper sheet is moved from one printing unit to another in the. transported for example by means of a generic sheet transfer cylinder. The sheet of paper lies with the printed side on the outer surface of the sheet transfer cylinder, which is why it is possible to smear the still wet print.

Um mit einer Bogenrotationsdruckmaschine unterschiedliche Papierqualitäten und auch Stärken von dünnem Florpostpapier bis zu Kartonpapieren verarbeiten zu können, ist es sinnvoll, besagten Bogenübertragungszylinder radial einstellbar zu gestalten, um trotz der verschiedenen Materialeigenschaften der verwendeten Bedruckstoffe die Abschmiergefahr soweit als möglich zu bannen.In order to be able to process different paper qualities and thicknesses from thin pile paper to cardboard paper with a sheet-fed rotary printing press, it makes sense to make said sheet transfer cylinder radially adjustable in order to avoid the risk of smearing as far as possible despite the different material properties of the printing materials used.

So ist es erforderlich, bei dünnen, weichen Bedruckstoffen einen möglichst geringen Spalt zwischen Bogenübertragungszylinder und den ihm vor- und nachgeschalteten Zylindern zu belassen, damit der Papierbogen gut geführt ist und keine Falten bilden kann. Bei kartonähnlichen Bedruckstoffen hingegen ist es sinnvoll, zwischen den jeweiligen Zylindern, d. h. zwischen deren Mantelflächen, einen großen Abstand zu wählen, da dieser Bedruckstoff aufgrund genügender Eigenstabilität keine Bogenunterstützung braucht. Ein entsprechend groß gewählter Abstand verringert dann auch die Abschmiergefahr.In the case of thin, soft substrates, it is necessary to leave as small a gap as possible between the sheet transfer cylinder and the cylinders upstream and downstream of it, so that the paper sheet is well guided and cannot form folds. With cardboard-like substrates, on the other hand, it makes sense to move between the respective cylinders, i.e. H. choose a large distance between their lateral surfaces, since this substrate does not require sheet support due to its inherent stability. A correspondingly large distance then also reduces the risk of greasing.

Als Stand der Technik ist in diesem Zusammenhang die US-PS 1 358 843 zu nennen. Die bogentragende Mantelfläche besteht dort aus vier, jeweils über die Breite des Bogenübertragungszylinders reichenden Segmenten, die über einen Stellmechanismus radial verstellbar sind. Die Verstellung erfolgt für alle Segmente gleichzeitig mit einem stirnseitig anzusetzenden Handhebel. Der konstruktive Aufwand ist hierbei relativ hoch, da neben dem gesamten Stellmechanismus für jedes Segment noch mehrere zusätzliche Tauchkolben als Führungsmittel erforderlich sind, um neben der radialen Bewegung keine Querbewegung in Zylinderlängsrichtung entstehen zu lassen. Nachteilig ist auch, daß die radiale Verstellung lediglich stufenweise erfolgen kann. Auch wird nicht der Notwendigkeit Rechnung getragen, jedes Segment unterschiedlich tief in den Bogenübertragungszylinder eintauchen zu lassen, da beispielsweise das Papierbogenende eine größere Flatterbewegung ausführt als die von Greifern gehaltene Bogenvorderkante.In this connection, US Pat. No. 1,358,843 is to be mentioned as prior art. The sheet-carrying outer surface there consists of four segments, each of which extends over the width of the sheet transfer cylinder and can be adjusted radially by means of an adjusting mechanism. The adjustment is made for all segments at the same time with a hand lever to be attached to the front. The design effort is relatively high, since in addition to the entire adjusting mechanism, several additional plungers are required as guide means for each segment in order to prevent any transverse movement in the longitudinal direction of the cylinder in addition to the radial movement. Another disadvantage is that the radial adjustment can only be done in stages. Neither is the necessity taken into account to immerse each segment in the sheet transfer cylinder to different depths, since, for example, the end of the paper sheet flutters more than the leading edge of the sheet held by grippers.

Davon ausgehend ist es die Aufgabe der vorliegenden Erfindung, einen Bogenübertragungszylinder mit auf konstruktiv einfache Weise radial verstellbaren Bogenauflagesegmenten zu schaffen, mit dem die geschilderten Nachteile des Standes der Technik beseitigt werden können und der eine zentral bedienbare und stufenlose radiale Verstellbarkeit der Bogenauflagesegmente erlaubt, wobei die zusätzliche Möglichkeit gegeben sein soll, den der Bogenhinterkante zugeordneten Bereich z. B. radial stärker verstellen zu können als den der Bogenvorderkante zugeordneten Bereich.Based on this, it is the object of the present invention to provide a sheet transfer cylinder with radially adjustable sheet support segments with which the described disadvantages of the prior art can be eliminated and which allows a centrally operated and stepless radial adjustability of the sheet support segments, the additional possibility should be given to the area assigned to the trailing edge z. B. to be able to adjust radially more than the area assigned to the leading edge of the sheet.

Diese Aufgabe wird erfindungsgemäß durch einen Bogenübertragungszylinder gelöst, der durch die Merkmale des Patentanspruches 1 gekennzeichnet ist.This object is achieved by a sheet transfer cylinder, which is characterized by the features of claim 1.

Neben den u. a. aus der Aufgabenstellung abzuleitenden Vorteilen weist der erfindungsgemäße Bogenübertragungszylinder weitere günstige Eigenschaften auf, die sich aus der nachstehenden Figurenbeschreibung sowie den Unteransprüchen, die vorteilhafte Ausgestaltungen beanspruchen, ableiten lassen.In addition to the u. a. From the advantages to be derived from the task, the sheet transfer cylinder according to the invention has further favorable properties which can be derived from the following description of the figures and from the subclaims which claim advantageous configurations.

An sich ist aus der DD-PS 76 684 bereits ein Bogenführungszylinder in Mehrfarbenbogenrotationsdruckmaschinen für Schön- oder Schön-und Widerdruck bekannt, bei dem an dessen Umfang befindliche Leitsegmente radial bewegbar angeordnet sind und zur radialen Bewegung der Leitsegmente eine Parallelschwinge vorgesehen ist. Der kurvengesteuerte Gelenkmechanismus weist an-den Schwingwellen ein weiteres schwingendes Parallelkurbelgetriebe auf, um dadurch den Zwanglauf zu gewährleisten, wenn die kurvengesteuerten Kreisexzenter aus ihrer Strecklage heraus bewegt werden.From DD-PS 76 684, a sheet guide cylinder in multicolour sheet-fed rotary printing presses for face or back printing is already known, in which guide segments located on its circumference are arranged such that they can be moved radially and a parallel rocker is provided for the radial movement of the guide segments. The cam-controlled articulated mechanism has a further oscillating parallel crank gear on the oscillating shafts, in order thereby to ensure the forced operation when the cam-controlled circular eccentrics are moved out of their extended position.

Gerade auch weil die Radialbewegung der Leitsegmente des Bogenübertragungszylinders im Takt des Maschinenlaufes erfolgt, ist dieser zur Lösung der der vorliegenden Erfindung zugrundeliegenden Aufgabe nicht geeignet. Darüberhinaus ist der getriebetechnische Aufwand als zu hoch einzuschätzen.Precisely because the radial movement of the guide segments of the sheet transfer cylinder takes place in time with the machine run, this is not suitable for solving the problem on which the present invention is based. In addition, the expenditure on transmission technology is too high.

Die vorliegende Erfindung wird nachfolgend anhand von Ausführungsbeispielen beschrieben. Die Zeichnung zeigt dabei in

  • Fig. eine Seitenansicht eines erfindungsgemäßen Bogenübertragungszylinders mit ausgeschwenkten Bogenauflagesegmenten,
  • Fig. 2 den gleichen Bogenübertragungszylinder mit eingeschwenkten Bogenauflagesegmenten,
  • Fig. 3 eine weitere Ansicht der Ausführungsform gemäß den Figuren 1 und 2,
  • Fig. 4 einen Bogenübertragungszylinder mit lediglich im Bereich der Bogenhinterkante radial verstellbaren Bogenauflagesegmenten und
  • Fig. 5 die schematische Darstellung einer weiteren Ausführungsform, die ebenfalls, wie die Ausführungsform gemäß Fig. 4 besonders wenige Getriebeglieder benötigt.
The present invention is described below using exemplary embodiments. The drawing shows in
  • 1 shows a side view of a sheet transfer cylinder according to the invention with the sheet support segments pivoted out,
  • 2 shows the same sheet transfer cylinder with the sheet support segments pivoted in,
  • 3 shows a further view of the embodiment according to FIGS. 1 and 2,
  • Fig. 4 shows a sheet transfer cylinder with only radially adjustable sheet support segments in the area of the sheet trailing edge and
  • FIG. 5 shows the schematic representation of a further embodiment, which, like the embodiment according to FIG. 4, also requires particularly few transmission elements.

Die Fig. 1 zeigt einen Bogenübertragungszylinder 1 mit diesem zugeordneten Druckzylindern 2,3 eines vorgelagerten bzw. nachgeschalteten Druckwerkes. Im gezeigten Ausführungsbeispiel sind drei gleichmäßig über den Umfang verteilt angeordnete Bogenauflagesegmente 5 vorgesehen, die sich über die Länge des Bogenübertragungszylinders 1 erstrecken, wobei jedes von Ihnen einen Bogen 4 tragen kann.1 shows a sheet transfer cylinder 1 with this associated printing cylinders 2, 3 of an upstream or downstream printing unit. In the exemplary embodiment shown, three sheet support segments 5 are provided which are distributed uniformly over the circumference and extend over the length of the sheet transfer extension cylinder 1, each of which can carry a sheet 4.

Den Bogenauflagesegmenten 5 jeweils zugeordnete Greiferbrücken 6 mit auf übliche Weise wirkenden Greifern 7 und Greiferauflagen 8 halten dabei jeden Bogen 4 fest. Die Greiferbrücken 6 sind mittels Befestigungsmittel 9 an entsprechenden, auf einem Innenzylinder 10 angeordneten . Stegen 11 befestigt. An den Stirnflächen 12, 13 (Fig. 3) des Innenzylinders 10 sind jeweils in den Seitenwänden 14, 15 der Druckmaschine gelagerte Lagerzapfen 16, 17 angeordnet.The gripper bridges 6 each associated with the sheet support segments 5 with grippers 7 and gripper supports 8 acting in the usual way hold each sheet 4 firmly. The gripper bridges 6 are arranged by means of fastening means 9 on corresponding ones on an inner cylinder 10. Web 11 attached. On the end faces 12, 13 (FIG. 3) of the inner cylinder 10, bearing journals 16, 17 are arranged in the side walls 14, 15 of the printing press.

Auf jedem Lagerzapfen 16, 17 ist eine Zahnscheibe 20, 21 drehbar gelagert und axial mittels Sicherungsring 22, 23 gesichert. In einen verzahnten Bereich 18, 19 jeder Zahnscheibe 20, 21 greift ein Ritzel 24, 25 ein, welches jeweils drehfest auf einer über die Länge des Bogenübertragungszylinders 1 reichenden Stellwelle 26 angeordnet ist, die sich selbst wiederum drehbar an entsprechenden Lagerstellen 27-29 des Innenzylinders 10 abstützt. Im mittleren Bereich des Bogenübertragungszylinders 1 ist auf der Stellwelle 26 ein Schneckenrad 30 gelagert. In dieses greift eine Schnecke 31 ein, in deren Verlängerung ein Stellbolzen 32 vorgesehen ist, dessen oberes Kopfende 33 mittels entsprechender Arbeitsmittel (z. B. Steckschlüssel) drehbar und der über Arretierschraube 73 arretierbar ist. Im gezeigten Ausführungsbeispiel sind Schnecke 31 und Stellbolzen 32 in einer, an einer der drei Greiferbrücken 6 befestigten Halterung 34 gelagert.A toothed disk 20, 21 is rotatably mounted on each bearing pin 16, 17 and secured axially by means of a locking ring 22, 23. Into a toothed area 18, 19 of each toothed disc 20, 21, a pinion 24, 25 engages, which is in each case rotatably arranged on an adjusting shaft 26 extending over the length of the sheet transfer cylinder 1, which in turn rotates itself at corresponding bearing points 27-29 of the inner cylinder 10 supports. In the central area of the sheet transfer cylinder 1, a worm wheel 30 is mounted on the actuating shaft 26. A worm 31 engages in this, in the extension of which an adjusting bolt 32 is provided, the upper head end 33 of which can be rotated by means of corresponding working means (eg socket wrench) and which can be locked by means of the locking screw 73. In the exemplary embodiment shown, screw 31 and adjusting bolt 32 are mounted in a holder 34 fastened to one of the three gripper bridges 6.

Die Voraussetzungen für eine zentrale Verstellung sämtlicher Bogenauflagesegmente 5 sind somit gegeben.The prerequisites for a central adjustment of all sheet support segments 5 are thus given.

Jeweils an gleichmäßig verteilt angeordneten Anlenkpunkten 37, 38 jeder Zahnscheibe 20, 21 ist eine Koppelstange 39, 40 angelenkt, deren jeweils anderer Gelenkpunkt 41, 42 sowohl mit dem die Bogenhinterkante 4.1 tragenden Bereich jedes Bogenauflagesegmentes 5, als auch mit einer Schwinge 43, 44 in Verbindung steht, wobei diese wiederum an einem gestellfesten Anlenkpunkt 45, 46 befestigt ist, der an einem Fortsatz 47 des Steges 11 sich befindet. Dieser Getriebemechanismus ist somit als schwingendes viergliedriges Koppelgetriebe ausgestaltet, wobei die Antriebsschwinge durch den radialen Abstand (von der Zylindermittellinie 72) des Anlenkpunktes 37, 38 der Koppelstange 39, 40 auf der Zahnscheibe 20, 21 bestimmt ist.A coupling rod 39, 40 is articulated at each articulation points 37, 38 of each toothed disk 20, 21, the other articulation point 41, 42 of which is connected to the area of each sheet support segment 5 carrying the trailing edge 4.1 of the bow, as well as to a rocker 43, 44 in Connection is established, which in turn is attached to a frame-fixed articulation point 45, 46, which is located on an extension 47 of the web 11. This gear mechanism is thus designed as an oscillating four-link coupling gear, the drive rocker being determined by the radial distance (from the cylinder center line 72) of the articulation point 37, 38 of the coupling rod 39, 40 on the toothed disk 20, 21.

Der die Bogenvorderkante 4.2 tragende Bereich eines jeden Bogenauflagesegmentes 5 weist einen weiteren Anlenkpunkt 48, 49 für eine weitere Schwinge 50, 51 auf, die an einem gestellfesten Fortsatz 52, 53 drehbar gelagert ist, der an der Greiferauflage 8 befestigt ist. Die vorbeschriebenen Lagerpunkte werden dabei von entsprechend angeordneten Lagerbolzen gebildet.The area of each sheet support segment 5 which carries the leading edge 4.2 of the sheet has a further articulation point 48, 49 for a further rocker 50, 51 which is rotatably mounted on an extension 52, 53 which is fixed to the frame and is attached to the gripper pad 8. The bearing points described above are formed by appropriately arranged bearing bolts.

Somit läßt sich über die zentrale Verstellung der Schnecke 31 ein gleichzeitiges radiales Verschwenken aller drei Bogenauflagesegmente 5 erreichen.It is thus possible to achieve a simultaneous radial pivoting of all three sheet support segments 5 via the central adjustment of the screw 31.

Damit ist die beispielsweise in Fig. 2 dargestellte Position aller Bogenauflagesegmente 5 erreichbar. Durch entsprechende Wahl der Getriebegliedlängen und der Anlenkpunkte ist dabei der radiale Verstellweg 60, 61 über die Umfangsfläche jedes Bogenauflagesegmentes 5 unterschiedlich, und zwar im Bereich der Bogenhinterkante 4.1 größer als im Bereich der Bogenvorderkante 4.2.The position of all sheet support segments 5 shown in FIG. 2 can thus be reached. By appropriate selection of the transmission link lengths and the articulation points, the radial adjustment path 60, 61 over the circumferential surface of each sheet support segment 5 differs, namely in the area of the sheet trailing edge 4.1 larger than in the area of the sheet leading edge 4.2.

Fig. 4 zeigt eine weitere Ausführungsform eines .erfindungsgemäßen Bogenübertragungszylinders 62. Dabei sind nur die, die Bogenhinterkante 4.1 tragenden Bereiche eines jeden der drei Bogenauflagesegmente 63 radial verstellbar. Zu diesem Zweck ist die jeweils an der Zahnscheibe 20, 21 gemäß erster Ausführungsform an beiden Stirnflächen 12, 13 des Bogenübertragungszylinders 62 angelenkte Koppelstange 39, 40 wiederum am Anlenkpunkt 37, 38 mit dem Bogenauflagesegment 63 verbunden. Der die Bogenvorderkante 4.2 tragende Bereich des Bogenauflagesegmentes 63 ist am Anlenkpunkt 64 unmittelbar mit einem gestellfesten Steg 65 der Greiferauflage 8 verbunden. Durch Drehen der Zahnscheibe 20, 21 über den bereits beschriebenen Schneckenradantrieb 30, 31 sind die Bogenauflagesegmente 63 in die in Fig.4 strichpunktiert dargestellte Position bringbar. Das System ist dabei als viergliedriges schwingendes Koppelgetriebe ausgebildet, wobei die Antriebsschwinge wiederum durch den radialen Abstand (von der Zylindermittellinie 72) des Anlenkpunktes 37, 38 der Koppelstange 39, 40 an der Zahnscheibe 20, 21 bestimmt ist. Die Abtriebsschwinge wird von den Bogenauflagesegmenten 63 selbst gebildet.FIG. 4 shows a further embodiment of a sheet transfer cylinder 62 according to the invention. Only the areas of each of the three sheet support segments 63 carrying the sheet trailing edge 4.1 are radially adjustable. For this purpose, the coupling rod 39, 40 articulated on the toothed disk 20, 21 according to the first embodiment on both end faces 12, 13 of the sheet transfer cylinder 62 is in turn connected to the sheet support segment 63 at the articulation point 37, 38. The area of the sheet support segment 63 which carries the sheet leading edge 4.2 is directly connected at the articulation point 64 to a web 65 of the gripper pad 8 which is fixed to the frame. By turning the toothed disc 20, 21 via the worm wheel drive 30, 31 already described, the sheet support segments 63 can be brought into the position shown in broken lines in FIG. The system is designed as a four-link oscillating coupling gear, the drive rocker in turn being determined by the radial distance (from the cylinder center line 72) of the articulation point 37, 38 of the coupling rod 39, 40 on the toothed disk 20, 21. The output rocker arm is itself formed by the sheet support segments 63.

Bei gleicher Anzahl von Getriebegliedern ist es mit der in Fig. 5 schematisch dargestellten Ausführungsform in besonders vorteilhafter Weise möglich, durch entsprechende Wahl der Getriebegliedlängen und der Anlenkpunkte an den Bogenauflagesegmenten 66, diese sowohl im Bereich der Bogenvorderkante 4.2 als auch im Bereich der Bogenhinterkante 4.1 radial zu verstellen (strichpunktiert dargestellt), wobei auch hier die Verstellwege 60, 61 unterschiedlich sind. Die an beiden Stirnflächen 12, 13 des Bogenübertragungszylinders 67 verwendeten schwingenden viergliedrigen Koppelgetriebe sind jeweils durch das Bogenauflagesegment 66 des Bogenübertragungszylinders 67 gebildet, welches die Koppel darstellt, an das in den Anlenkpunkten 68, 69 die antreibende Zahnscheibe 20 sowie eine am gestellfesten Gelenkpunkt 70 gelagerte Abtriebsschwinge 71 angreifen.With the same number of gear links, it is possible with the embodiment shown schematically in FIG. 5 in a particularly advantageous manner, by appropriate selection of the gear link lengths and the articulation points on the sheet support segments 66, these radially both in the area of the sheet leading edge 4.2 and in the area of the sheet trailing edge 4.1 to be adjusted (shown in dash-dot lines), the adjustment paths 60, 61 also being different here. The oscillating four-link coupling gear used on both end faces 12, 13 of the sheet transfer cylinder 67 are each formed by the sheet support segment 66 of the sheet transfer cylinder 67, which represents the paddle, to which the driving pulley 20 and a driven rocker 70 mounted on the articulation point 70 are attached to the articulation points 68, 69 71 attack.

Das Rädergetriebe 20, 21, 24, 25, 30, 31 mit nachgeschaltetem Koppelgetriebe erlaubt somit bei allen Ausführungsformen eine gleichzeitige und stufenlose radiale Einstellbarkeit der Bogenauflagesegmente, wobei eine rasche, auf die jeweiligen Erfordernisse abgestimmte Verstellung auf einfache Weise möglich ist. Der erfindungsgemäß verstellbare Bogenübertragungszylinder zeichnet sich daher durch eine hohe Flexibilität aus, wobei zusätzlich denkbar ist, bereits bei dessen Fertigung die entsprechenden Vorkehrungen (z. B. für jeden Anlenkpunkt alternativ zu wählende Bohrungen für Gelenkbolzen) zu treffen. Damit könnten verschiedene Anlenkpunkte an anderer Stelle plaziert werden, so daß die Getriebegliedlängen änderbar sind, was wiederum eine Änderung der Koppelkurven der einzelnen Koppelglieder zur Folge hat, um dadurch den Einstellbereich der radialen Verstellung der Bogenauflagesegmente an die gegebenen Erfordernisse anzupassen.The gear train 20, 21, 24, 25, 30, 31 with a subsequent coupling gear thus allows simultaneous and stepless radial adjustability of the sheet support segments in all embodiments, a rapid adjustment to the respective requirements being possible in a simple manner. The arch transfer cylinder, which is adjustable according to the invention, is therefore characterized by a high degree of flexibility, it being additionally conceivable to take the appropriate precautions (for example, alternatively bores for pivot pins for each articulation point) during its manufacture. This could be different articulation points be placed elsewhere so that the transmission link lengths can be changed, which in turn results in a change in the coupling curves of the individual coupling links, thereby adapting the adjustment range of the radial adjustment of the sheet support segments to the given requirements.

Die radiale Verstellung könnte dabei, wie vorstehend beschrieben, manuell Steckschlüssel erfolgen oder auch motorisch, hydraulisch oder pneumatisch gesteuert werden. Die Anwendung an anderen Mehrfachtrommeln (2-fach, 4-fach) ist gleichfalls denkbar und liegt im Rahmen der Erfindung.The radial adjustment could, as described above, be carried out manually by a socket wrench or controlled by a motor, hydraulically or pneumatically. The use on other multiple drums (double, quadruple) is also conceivable and is within the scope of the invention.

TeilelisteParts list

  • 1 Bogenübertragungszylinder1 sheet transfer cylinder
  • 2 Druckzylinder2 printing cylinders
  • 3 Druckzylinder3 pressure cylinders
  • 4 Bogen4 sheets
  • 4.1 Bogenhinterkante4.1 trailing edge of sheet
  • 4.2 Bogenvorderkante4.2 Front edge of the sheet
  • 5 Bogenauflagesegment5 sheet support segment
  • 6 Greiferbrücke6 gripper bridge
  • 7 Greifer7 grippers
  • 8 Greiferauflage8 gripper pad
  • 9 Befestigungsmittel9 fasteners
  • 10 Innenzylinder10 inner cylinders
  • 11 Steg11 bridge
  • 12 Stirnfläche12 end face
  • 13 Stirnfläche13 end face
  • 14 Seitenwand14 side wall
  • 15 Seitenwand15 side wall
  • 16 Lagerzapfen16 journals
  • 17 Lagerzapfen17 journals
  • 18 verzahnter Bereich18 toothed area
  • 19 verzahnter Bereich19 toothed area
  • 20 Zahnscheibe20 tooth lock washer
  • 21 Zahnscheibe21 tooth lock washer
  • 22 Sicherungsring22 circlip
  • 23 Sicherungsring23 circlip
  • 24 Ritzel24 sprockets
  • 25 Ritzel25 sprockets
  • 26 Stellwelle26 adjusting shaft
  • 27 Lagerstelle27 depository
  • 28 Lagerstelle28 depository
  • 29 Lagerstelle29 depository
  • 30 Schneckenrad30 worm wheel
  • 31 Schnecke31 snail
  • 32 Stellbolzen32 adjusting bolts
  • 33 oberes Kopfende33 top headboard
  • 34 Halterung34 bracket
  • 3535
  • 3636
  • 37 Anlenkpunkt37 pivot point
  • 38 Anlenkpunkt38 pivot point
  • 39 Koppelstange39 coupling rod
  • 40 Koppelstange40 coupling rod
  • 41 Gelenkpunkt41 pivot point
  • 42 Gelenkpunkt42 pivot point
  • 43 Schwinge43 swingarm
  • 44 Schwinge44 swingarm
  • 45 Anlenkpunkt45 pivot point
  • 46 Anlenkpunkt46 pivot point
  • 47 Fortsatz47 extension
  • 48 Anlenkpunkt48 pivot point
  • 49 Anlenkpunkt49 pivot point
  • 50 Schwinge50 swingarm
  • 51 Schwinge51 swingarm
  • 52 Fortsatz52 continuation
  • 53 Fortsatz53 continuation
  • 5454
  • 55 5655 56
  • 5757
  • 5858
  • 5959
  • 60 Verstellweg60 adjustment path
  • 61 Verstellweg61 adjustment path
  • 62 Bogenübertragungszylinder62 sheet transfer cylinders
  • 63 Bogenauflagesegment63 sheet support segment
  • 64 Anlenkpunkt64 pivot point
  • 65 Steg65 footbridge
  • 66 Bogenauflagesegment66 sheet support segment
  • 67 Bogenübertragungszylinder67 sheet transfer cylinders
  • 68 Anlenkpunkt68 articulation point
  • 69 Anlenkpunkt69 pivot point
  • 70 Gelenkpunkt70 pivot point
  • 71 Abtriebsschwinge71 output arm
  • 72 Zylindermittellinie72 cylinder center line
  • 73 Arretierschraube73 locking screw

Claims (9)

1. Sheet transfer cylinder for sheet-fed rotary printing machines having a plurality of sheet-supporting segments (5 ; 65 ; 66) forming the sheet-carrying outer cylindrical surface und extending along the length of said sheet transfer cylinder (1 ; 62 ; 67), said sheet-supporting segments being commonly and essentially radially adjustable by means of a centrally operable adjustment mechanism, characterized in that to each sheet supporting segment (5 ; 63 ; 66) there is respectively assigned, preferably in the region of the two end faces (12, 13) of the sheet transfer cylinder (1 ; 62 ; 67), a swinging linkage gearing (20, 21, 39, 40 ; 43, 44 ; 50, 51 ; 66, 71) having a swinging drive link (20, 21) which engages at the pivot point (37, 38 ; 68, 69) of a linkage member 39, 40 ; 66), and having arranged in front thereof a centrally movable wheel gearing (24, 25, 30, 31) by which said swinging drive link (20, 21) is driven.
2. Sheet transfer cylinder for sheet-fed rotary printing machines according to Claim 1, characterized in that each of the swinging drive links arranged on both sides is constituted of a gear disc (20, 21) mounted on a trunnion (16, 17), whereby the length of every swinging drive link is determined by the radial distance between the pivot point (37, 38, 68, 69) of the afterconnected linkage member (39, 40 ; 66) and the cylinder center line (72).
3. Sheet transfer cylinder according to Claim 2, characterized in that in the toothed zone (18, 19) of each gear disc (20, 21) there engages a pinion (24, 25) which is arranged, so as to be fixed against rotation, on an adjusting shaft (26) extending over the length of said sheet transfer cylinder (1 ; 62; 67) and a worm gear (30) is mounted in the middle region of said adjusting shaft (26) in which engages a worm (31) being turnable by means of adjusting pins (32).
4. Sheet transfer cylinder according to Claim 3, characterized in that the region of each sheet-supporting segment (5 ; 66) assigned to the trailing sheet edge (4.1) is radially more adjustable than that assigned to the sheet front edge (4.2).
5. Sheet transfer cylinder according to Claim 3, characterized in that only the region of each sheet-supporting segment (63) assigned to the trailing sheet edge (4.1) is radially adjustable whereas the region assigned to the sheet front edge (4.2) remains unchanged.
6. Sheet transfer cylinder according to Claim 4, characterized in that at respective, equidistantly arranged pivot points (37, 38) of each gear disc (20, 21) a linking rod (39, 40) is pivoted and its respective other pivot point (41, 42) is in contact with the region of each sheet-supporting segment (5) carrying the trailing sheet edge (4.1) as well as with a swinging link (43, 44), whereas this swinging link, in turn, is fastened at a pivot point (45, 46) which is fixed to an extension (47) of the support part (11) of an inner cylinder (10), and the region of each sheet-supporting segment (5) carrying the sheet front edge (4.2) has a further pivot point (48, 49) for a further swinging link (50, 51) which, respectively, is pivotally mounted on an extension (52, 53) fastened to a gripper bar (6).
7. Sheet transfer cylinder according to Claim 4, characterized in that each sheet-supporting segment (66) of the sheet transfer cylinder (67), by itself, is a component part of the swinging linkage gearing and thus represents the link at which engage, at the pivot points (68, 69), the driving gear disc (20) as well as a swinging drive link (71) being mounted at a pivot point (70) on a stationary support part.
8. Sheet transfer cylinder according to Claim 5, characterized in that at the pivot point (37, 38) of each gear disc (20, 21) a linking rod (39, 40) is pivoted which engages at the region of each sheet-supporting segment (63) carrying the trailing sheet edge (4.1), said sheet-supporting segment (63) representing the swinging drive link of the linkage gearing and being pivoted at a stationary support part (65) in the region of the sheet front edge (4.2).
9. Sheet transfer cylinder according to one or several of the foregoing claims, characterized in that said sheet transfer cylinder (67) has three sheet-supporting segments (5 ; 63 ; 66) equidistantly arranged about its circumference and along its length.
EP19850115216 1984-12-28 1985-11-30 Transfer cylinder for a rotary sheet-printing press Expired EP0185965B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843447596 DE3447596A1 (en) 1984-12-28 1984-12-28 BOW TRANSFER CYLINDERS FOR BOW ROTARY PRINTING MACHINES
DE3447596 1984-12-28

Publications (3)

Publication Number Publication Date
EP0185965A2 EP0185965A2 (en) 1986-07-02
EP0185965A3 EP0185965A3 (en) 1987-04-29
EP0185965B1 true EP0185965B1 (en) 1989-03-15

Family

ID=6254005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850115216 Expired EP0185965B1 (en) 1984-12-28 1985-11-30 Transfer cylinder for a rotary sheet-printing press

Country Status (4)

Country Link
EP (1) EP0185965B1 (en)
JP (1) JPS61158450A (en)
CN (1) CN85104700B (en)
DE (1) DE3447596A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275882A2 (en) * 1987-01-22 1988-07-27 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Conveying device for a sheet-fed rotary printing machine
FR2628681A1 (en) * 1988-03-16 1989-09-22 Heidelberger Druckmasch Ag GUIDE DRUM FOR ROTARY SHEETS
US5465663A (en) * 1993-11-04 1995-11-14 Man Roland Druckmaschinen Ag Sheet-guiding drum for printing machines
EP0803354A2 (en) * 1996-04-27 1997-10-29 Heidelberger Druckmaschinen Aktiengesellschaft Cylinder of a rotary printing press having a changeable outside diameter
EP0968821A2 (en) * 1998-06-17 2000-01-05 Heidelberger Druckmaschinen Aktiengesellschaft Sheet transport cylinder in a sheet-fed press
US6851361B2 (en) 2002-04-18 2005-02-08 Heidelberger Druckmaschinen Ag Reversing or turning assembly of a sheet-processing machine
US6862985B2 (en) 2000-11-22 2005-03-08 Bauer + Kunzi Gesellschaft Fur Drucktechnik Mbh Guiding device for metal-sheet printing machines and metal-sheet painting machines
US7000540B2 (en) 2003-06-18 2006-02-21 Heidelberger Druckmaschinen Ag Method of operating a machine processing printing material sheets
DE102015209700A1 (en) * 2015-05-27 2016-12-01 Koenig & Bauer Ag Sheet guiding cylinder and method of conveying a sheet in a sheet processing machine

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DE3602084A1 (en) * 1986-01-24 1987-07-30 Heidelberger Druckmasch Ag BOW TRANSFER DRUM BETWEEN THE PRINTING UNITS OF ROTATIONAL PRINTING MACHINES
DE4032442C2 (en) * 1990-10-12 1999-07-15 Koenig & Bauer Ag Sheet-fed rotary printing press in unit design
DE9408714U1 (en) * 1994-05-27 1994-07-21 Man Roland Druckmaschinen Ag, 63069 Offenbach Device for adjusting the gripper bar for sheet grippers in a reversing drum of a perfecting machine
DE4442301C5 (en) * 1994-09-05 2006-12-14 Heidelberger Druckmaschinen Ag Sheet transfer drum
JP2000177104A (en) * 1998-12-18 2000-06-27 Mitsubishi Heavy Ind Ltd Intermediate cylinder of sheet-fed press
DE10335773B4 (en) * 2002-09-17 2008-05-08 Heidelberger Druckmaschinen Ag Sheet transport drum
DE10355045B4 (en) 2002-12-20 2018-09-06 Heidelberger Druckmaschinen Ag Method for varying a drum profile of a vario drum and a vario drum for carrying out the method
DE102005057367A1 (en) * 2005-12-01 2007-06-06 Koenig & Bauer Ag Paper sheet printing and/or varnishing machine, has impression cylinders, where one of impression cylinders is downstream to delivery drum in paper sheet conveying direction, and delivery drum has radially adjustable drum caps
DE102009008781B4 (en) * 2008-03-17 2022-05-12 Heidelberger Druckmaschinen Ag Device for aligning sheets by means of stops arranged on a cylinder
DE102008025392A1 (en) 2008-05-28 2009-12-03 Manroland Ag Sheet guidance device for managing sheet guidance conveyed by transferred cylinder, has supporting holders, and guidance roller devices arranged such that sheets are pressed on sheet guidance holders by rollers
DE102008025383B4 (en) 2008-05-28 2021-11-25 manroland sheetfed GmbH Drum cap for a transfer cylinder
JP5551559B2 (en) * 2010-10-07 2014-07-16 リョービＭｈｉグラフィックテクノロジー株式会社 Printer
DE102013202107B4 (en) 2012-02-13 2023-12-28 Koenig & Bauer Ag Transfer drum for guiding a sheet

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Publication number Priority date Publication date Assignee Title
DD76684A (en) *
US1358843A (en) * 1917-01-17 1920-11-16 Grass William Printing-press
SE7614362L (en) * 1976-12-21 1978-06-22 Solna Offset Ab ARKVENDARE
DE2824733C2 (en) * 1978-06-06 1984-03-15 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Transfer drum for perfecting presses
DD151134A1 (en) * 1980-06-30 1981-10-08 Otfried Rudolph DRIVE FOR FUNCTIONAL GROUPS IN BENDING CYLINDERS OF PRESSURE MACHINES
DD157047A3 (en) * 1980-11-05 1982-10-13 Karlheinz Fischer ARC GUIDE IN ARC CYLINDERS

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275882A2 (en) * 1987-01-22 1988-07-27 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Conveying device for a sheet-fed rotary printing machine
EP0275882A3 (en) * 1987-01-22 1989-12-13 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Conveying device for a sheet-fed rotary printing machine
FR2628681A1 (en) * 1988-03-16 1989-09-22 Heidelberger Druckmasch Ag GUIDE DRUM FOR ROTARY SHEETS
US5465663A (en) * 1993-11-04 1995-11-14 Man Roland Druckmaschinen Ag Sheet-guiding drum for printing machines
EP0803354A2 (en) * 1996-04-27 1997-10-29 Heidelberger Druckmaschinen Aktiengesellschaft Cylinder of a rotary printing press having a changeable outside diameter
US5862755A (en) * 1996-04-27 1999-01-26 Heidelberger Druckmaschinen Aktiengesellschaft Rotary printing-machine cylinder having a variable outer diameter
EP0968821A2 (en) * 1998-06-17 2000-01-05 Heidelberger Druckmaschinen Aktiengesellschaft Sheet transport cylinder in a sheet-fed press
US6862985B2 (en) 2000-11-22 2005-03-08 Bauer + Kunzi Gesellschaft Fur Drucktechnik Mbh Guiding device for metal-sheet printing machines and metal-sheet painting machines
US6851361B2 (en) 2002-04-18 2005-02-08 Heidelberger Druckmaschinen Ag Reversing or turning assembly of a sheet-processing machine
US7000540B2 (en) 2003-06-18 2006-02-21 Heidelberger Druckmaschinen Ag Method of operating a machine processing printing material sheets
DE102015209700A1 (en) * 2015-05-27 2016-12-01 Koenig & Bauer Ag Sheet guiding cylinder and method of conveying a sheet in a sheet processing machine
DE102015209700B4 (en) * 2015-05-27 2018-06-07 Koenig & Bauer Ag Sheet guiding cylinder and method of conveying a sheet in a sheet processing machine

Also Published As

Publication number Publication date
DE3447596C2 (en) 1988-09-22
CN85104700A (en) 1986-12-17
CN85104700B (en) 1988-03-30
DE3447596A1 (en) 1986-07-03
EP0185965A3 (en) 1987-04-29
EP0185965A2 (en) 1986-07-02
JPS61158450A (en) 1986-07-18
JPH0524837B2 (en) 1993-04-09

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