EP0839649A2 - Transfer drum in a sheet-fed printing press - Google Patents

Transfer drum in a sheet-fed printing press Download PDF

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Publication number
EP0839649A2
EP0839649A2 EP97115083A EP97115083A EP0839649A2 EP 0839649 A2 EP0839649 A2 EP 0839649A2 EP 97115083 A EP97115083 A EP 97115083A EP 97115083 A EP97115083 A EP 97115083A EP 0839649 A2 EP0839649 A2 EP 0839649A2
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EP
European Patent Office
Prior art keywords
transfer drum
surface cover
drum according
support
sheet
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
EP97115083A
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German (de)
French (fr)
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EP0839649A3 (en
EP0839649B1 (en
Inventor
Jens Friedrichs
Frank Schaum
Peter Heiler
Stefan Döpke
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP0839649A2 publication Critical patent/EP0839649A2/en
Publication of EP0839649A3 publication Critical patent/EP0839649A3/en
Application granted granted Critical
Publication of EP0839649B1 publication Critical patent/EP0839649B1/en
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Classifications

    • 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 transfer drum in a sheet-processing printing machine with an exchangeable cylinder surface.
  • the invention has for its object to provide a sheet transfer drum, the surface of which is adaptable to the material to be processed.
  • a surface cover needs the z. B. is used in the processing of thin paper can no longer be removed from the printing press, but can be sunk directly into a "locking position" within the periphery of the transfer drum and locked there.
  • the surface cover is advantageously fastened to a pivotably mounted lever.
  • Another spring-loaded locking lever fixes the surface cover in the "locking position".
  • a return spring brings the surface cover into a "working position” and at the same time serves to reset the locking lever.
  • a particularly cost-effective embodiment it is provided in a particularly cost-effective embodiment to also leave the point-shaped support surface formed from spore wheels when the closed surface cover is activated in the "working position" in the sheet transfer drum. In this way, an operator has the required peripheral areas directly on the sheet transfer drum.
  • an extraordinarily compact design of the support elements in which the spur wheels and the surface cover are arranged on a common support body. This is releasably attached to the sheet transfer drum and can be changed in such a way that the "locking position" of the surface cover is the “working position” of the spur wheels and vice versa.
  • both the spur wheels and the surface cover are pivotally mounted on the sheet transfer drum.
  • the support elements also advantageously always remain on the sheet transfer drum by being attached to a common endless support element, e.g. B. tape or chain are arranged, which is displaceable by means of guides provided that either the punctiform support elements, for. B. the spur wheels, or the surface support elements, for. B. the surface coverage in the "working position” or “rest position” can be brought.
  • a common endless support element e.g. B. tape or chain are arranged, which is displaceable by means of guides provided that either the punctiform support elements, for. B. the spur wheels, or the surface support elements, for. B. the surface coverage in the "working position" or “rest position” can be brought.
  • a sheet transfer drum 1 is u. a. from a shaft 2, by means of which it is mounted in side frames (not shown) of a sheet-fed rotary printing press, and from side frames 3 fastened to the shaft 2 within the side frames, which support elements 4.
  • the support elements 4 are so-called spur wheels, which are mounted in a row on an axis 6 in a row.
  • the axis 6 itself is removably arranged in bores 7 in the side frames 3 and extends axially parallel from one side frame 3 of the sheet transfer drum 1 to the other.
  • a number (for example seven) axes 6 with spore wheels 4 axially displaceably arranged thereon are arranged at a distance from the shaft 2 in such a way that they are directed radially outward Include the entire circumference U of the sheet transfer drum 1.
  • the transfer drum 1 is a double-sized drum with two gripper systems 9 arranged diametrically opposite one another. Since there is symmetry, for the sake of simplicity, the invention is only described with reference to one drum half.
  • a surface cover 11 which has a curvature corresponding to the circumference U.
  • the surface cover 11 has Side walls 12 arranged parallel to the side frames 3 of the sheet transfer drum 1.
  • the side walls 12 are each attached to an angle lever 14.
  • the angle lever 14 is pivotally mounted at one end 16 about a bolt 13 on the side frame 3 and carries a rotatably mounted roller 17 at its free end 15.
  • a locking lever 19 is pivotally mounted.
  • the locking lever 19 has a stop edge 21 for the roller 17 and an abutment 22 for a return spring 23 arranged on the surface cover 11.
  • the return spring 23 is designed as a torsion coil spring and is supported with a first leg below the surface cover 11 and with a second leg on the abutment 22 of the locking lever 19.
  • the locking levers 19 arranged on both sides have a crossmember 24 for synchronizing a pivoting movement, which carries an adjusting lever 26 approximately centrally in the axial direction, which projects so far beyond a front edge of the surface cover 11 that it can be easily actuated.
  • a stop bolt 27 arranged on the side frame 3 engages through an opening 29 provided in the locking lever 19 and bears against the restoring spring 23 due to the tension thereof.
  • the spur wheels 4 When processing z. B. of cardboard, the spur wheels 4 are activated and the surface cover 11 is in the locked state, as shown in Fig. 1, below the circumference U.
  • the roller 17 abuts the stop edge 21. This is inclined so that the roller 17 cannot independently pivot outwards. If you want to switch from spur wheel operation to area covering operation, e.g. B.
  • the spur wheels 4 are first removed together with the shafts 6.
  • the locking lever 19 is then actuated.
  • a pivoting movement of the locking lever 19 against the force of the return spring 23 is generated by the adjusting lever 26, which releases the roller 17.
  • the angle lever 14 is initially on the roller 17 pivoted against the intended adjustment direction around the bearing point 13 on the side frame 3. Since the distance between the bearing point 13 and the roller 17 is greater than the distance between the bearing point 18 of the locking lever 19 and the stop edge 21 and both elements, stop edge 21 and roller 17, thereby move on different tracks, the roller 17 is released from the stop edge 21 .
  • the roller 17 strikes a stop 30 which is fastened to the side frame 3 and is displaceably mounted for its adjustment.
  • the circumference U of the sheet transfer drum 1 predetermined by the surface cover 11 can be adjusted.
  • the surface cover 11 For processing z. B. of cardboard, the surface cover 11 is pressed inward against the force of the return springs 23 until the roller 17 engages behind the stop edge 21 of the locking lever 19.
  • the pivot point 13 of the surface cover 11 lies outside of the surface cover 11, but within the circumference U to the extent that the surface cover 11 is completely submerged in the circumference U.
  • a surface cover 31 which likewise has a curvature which is adapted to the circumference U of the sheet transfer drum 1.
  • Fastening means 32, 33 arranged laterally on the surface cover 31 serve to lock the surface cover 31 on the side frame 3.
  • the surface cover 31 rests on the spur wheels 4.
  • the surface cover 31 lies between the shaft 2 and the spur wheels 4 within the periphery of the sheet transfer drum 1.
  • the surface cover 31 is fastened to the side frame 23 by means of the fastening means 32, 33.
  • the spur wheels 4 and a surface cover 41 are arranged on a common support body 42.
  • This has two supporting areas for an arch, one being formed by the spur wheels 4 and the other by the surface cover 41. Both support areas are arranged exactly opposite each other so that only one is in the working position and the other is in the locking position.
  • Detachable fastening devices fix the support body 42 on the side frame 3 in the desired position.
  • both the spur wheels 4 and the surface cover 51 are arranged on a gripper bridge of the gripper system 9.
  • the spur wheels 4 are mounted on a support bracket 52 which is mounted on the gripper bridge 9 by means of a first end 53 and on a bearing point 55 of a carrier 56 by means of a second end 54.
  • the carrier 56 is attached to the shaft 2.
  • the surface cover 51 is pivotally mounted on a bearing point 58 of the gripper bridge 9 by means of its first end 57 and on a lever 59 by means of its second end.
  • the lever 59 is pivotally arranged on the carrier 56.
  • the surface cover 51 is placed in the working position and the spur wheels 4 in the locking position.
  • the support bracket 52 is first released at the bearing point 55 of the carrier 56.
  • the end of the surface cover 51 is released at the bearing 58 on the gripper bridge 9.
  • the support bracket 52 and the surface cover 51 are pivoted outward about their respective second bearing point and pivoted back inward in the reverse order.
  • the support bracket 52 is first locked at a bearing 60 of the carrier 66 and then the surface cover 51 at one Bearing point 62 locked on the gripper bridge 9.
  • the lever 59 pivots here in a radial position, so that the surface cover 61 forms the circumference U.
  • the spur wheels 4 and the surface cover 61 are arranged one behind the other on an endless belt or chain 63.
  • a guide 64 is provided on the side frames 3, in which the belt or chain 63 is guided.
  • the surface cover 61 consists of a number of plates 61a, 61b, 61c, etc., which are connected to one another in an articulated manner, or an elastic film or a cloth or the like.
  • the spur wheels 4 are pushed further into the guide 64 after releasing a locking device, not shown, until they come to lie within the periphery of the sheet transfer drum 1 and the surface cover 61 forms the circumference U of the sheet transfer drum 1 .
  • the sheet transfer drum 1 is constructed essentially mirror-symmetrically, for the sake of simplicity, the description of the above exemplary embodiments was made only on the basis of one side, according to the figure shown in each case.
  • the support elements such as spur wheels 4 and surface covers 11, 31, 41, 51, 61, extend from one side of the sheet transfer drum 1 to the other.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Discharge By Other Means (AREA)

Abstract

The transfer drum (1) comprises a support surface with surface-covers and which is positioned on its periphery. A closed support surface (11) is interchangeable with the support surface. Pointed support elements (4) make up the support surface, and the surface-covers (11) are each changed between an operating and non-operating position. A locking element (19) fixes the surface covering in a non-operating position inside the periphery of the transfer circumference (U) of the drum and consists of a locking lever with a thrust edge (21) brought into contact with a rotatably mounted roller (17). A restoring spring (23) is supported on the locking lever.

Description

Die Erfindung betrifft eine Überführtrommel in einer Bogen verarbeitenden Druckmaschine mit einer austauschbaren Zylinderoberfläche.The invention relates to a transfer drum in a sheet-processing printing machine with an exchangeable cylinder surface.

Bei der Verarbeitung von unterschiedlichen Papierstärken in Bogendruckmaschinen kommt es insbesondere im Widerdruckbetrieb zu Abschmierproblemen bei den frisch bedruckten Bogen an der Überführtrommel.When processing different paper thicknesses in sheetfed printing machines, especially in reverse printing, there are smearing problems with the freshly printed sheets on the transfer drum.

Zur Vermeidung dieses Abschmierproblems ist es z. B. durch die DE 39 29 228 A1 bekannt, Stützbügel auf einer Welle anzuordnen, deren punktförmigen Stützelemente bei der Verarbeitung von Karton dem Umfang der Bogenüberführtrommel entsprechen. Durch diese Maßnahmen liegt der Bogen nur in einstellbaren Bereichen auf den Stützelementen auf. Bei der Verarbeitung von dünnem Papier sind Stützbügel mit kleinerem Umfangsabmessungen vorgesehen.To avoid this lubrication problem, it is e.g. B. from DE 39 29 228 A1 known to arrange support bracket on a shaft, the punctiform support elements correspond to the circumference of the sheet transfer drum when processing cardboard. With these measures, the arch rests on the support elements only in adjustable areas. When processing thin paper, support brackets with smaller circumferential dimensions are provided.

Es ist bei dem Gegenstand nach der DE 39 29 228 A1 von Nachteil, daß die Stützelemente sowohl bei der Verarbeitung von Karton oder auch bei der Verarbeitung von dünnem Papier eingesetzt werden. Hierdurch kommt es, hervorgerufen durch Luftwirbel, insbesondere bei der Verarbeitung von dünnem Papier, zu unerwünschtem Bogenflattern und damit zu Bogenführungsproblemen, die die Qualität der Druckprodukte beeinträchtigen.It is a disadvantage of the object according to DE 39 29 228 A1 that the support elements are used both in the processing of cardboard or in the processing of thin paper. This results in undesirable sheet flutter and thus sheet guiding problems which affect the quality of the printed products, caused by air swirls, in particular when processing thin paper.

Der Erfindung liegt die Aufgabe zugrunde, eine Bogenüberfühtrommel zu schaffen, deren Oberfläche an das zu verarbeitende Material anpaßbar ist.The invention has for its object to provide a sheet transfer drum, the surface of which is adaptable to the material to be processed.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.

Es ist ein Vorteil der Erfindung, daß den unterschiedlichen Anforderungen, die bei der Verarbeitung einer weiten Palette von dünnem Papier bis zu Karton an die Bogenführung gestellt werden, ohne großen Rüstaufwand entsprochen werden kann.It is an advantage of the invention that the different requirements that are placed on the sheet guide when processing a wide range of thin paper to cardboard can be met without great setup effort.

In vorteilhafter Ausgestaltung braucht beispielsweise eine Flächenabdeckung, die z. B. bei der Verarbeitung von dünnem Papier eingesetzt wird, nicht mehr aus der Druckmaschine herausgenommen werden, sondern kann direkt in einer "Raststellung" innerhalb der Peripherie der Überführtrommel versenkt und dort arretiert werden.In an advantageous embodiment, for example, a surface cover needs the z. B. is used in the processing of thin paper can no longer be removed from the printing press, but can be sunk directly into a "locking position" within the periphery of the transfer drum and locked there.

In einer bevorzugten Ausführung ist die Flächenabdeckung in vorteilhafter Weise an einem schwenkbar gelagerten Hebel befestigt. Ein weiterer federnd gelagerter Arretierhebel setzt die Flächenabdeckung in der "Raststellung" fest. Eine Rückstellfeder verbringt die Flächenabdeckung in eine "Arbeitsstellung" und dient gleichzeitig der Rückstellbewegung des Arretierhebels.In a preferred embodiment, the surface cover is advantageously fastened to a pivotably mounted lever. Another spring-loaded locking lever fixes the surface cover in the "locking position". A return spring brings the surface cover into a "working position" and at the same time serves to reset the locking lever.

Bei einem zweiten Ausführungsbeispiel ist es in besonders kostengünstiger Ausführung vorgesehen, auch die aus Sporenrädchen gebildete punktförmigen Abstützfläche bei einer Aktivierung der geschlossenen Flächenabdeckung in der "Arbeitsstellung" in der Bogenüberführtrommel zu belassen. Auf diese Weise hat eine Bedienperson die benötigten Umfangsflächen direkt an der Bogenüberführtrommel parat.In a second exemplary embodiment, it is provided in a particularly cost-effective embodiment to also leave the point-shaped support surface formed from spore wheels when the closed surface cover is activated in the "working position" in the sheet transfer drum. In this way, an operator has the required peripheral areas directly on the sheet transfer drum.

In einem dritten Ausführungsbeispiel ist eine außerordentlich kompakte Bauweise der Stützelemente vorgesehen, bei der die Sporenrädchen und die Flächenabdeckung an einem gemeinsamen Tragkörper angeordnet sind. Dieser ist lösbar an der Bogenüberführtrommel befestigt und derart lageveränderbar, daß die "Raststellung" der Flächenabdeckung die "Arbeitsstellung" der Sporenrädchen ist und umgekehrt.In a third exemplary embodiment, an extraordinarily compact design of the support elements is provided, in which the spur wheels and the surface cover are arranged on a common support body. This is releasably attached to the sheet transfer drum and can be changed in such a way that the "locking position" of the surface cover is the "working position" of the spur wheels and vice versa.

Bei einem vierten Ausführungsbeispiel sind sowohl die Sporenrädchen als auch die Flächenabdeckung schwenkbar an der Bogenüberführtrommel gelagert. Durch diese Maßnahme sind die Stützelemente immer mit der Bogenüberführtrommel verbunden und brauchen überhaupt nicht aus der Druckmaschine entfernt zu werden.In a fourth embodiment, both the spur wheels and the surface cover are pivotally mounted on the sheet transfer drum. Through this As a measure, the support elements are always connected to the sheet transfer drum and do not need to be removed from the printing machine at all.

Bei einem fünften Ausführungsbeispiel bleiben die Abstützelemente ebenfalls in vorteilhafter Weise immer an der Bogenüberführtrommel gelagert, indem sie an einem gemeinsamen endlosen Trägerelement, z. B. Band oder Kette angeordnet sind, welches mittels vorgesehener Führungen derart verschiebbar ist, daß je nach Anforderung entweder die punkförmigen Abstützelemente, z. B. die Sporenrädchen, oder die Flächenabstützelemente, z. B. die Flächenabdeckung in die "Arbeitsstellung" bzw. "Raststellung" verbringbar sind.In a fifth embodiment, the support elements also advantageously always remain on the sheet transfer drum by being attached to a common endless support element, e.g. B. tape or chain are arranged, which is displaceable by means of guides provided that either the punctiform support elements, for. B. the spur wheels, or the surface support elements, for. B. the surface coverage in the "working position" or "rest position" can be brought.

Verschiedene Ausführungsbeispiele sind in den Zeichnungen dargestellt und werden im folgenden beschrieben.Various embodiments are shown in the drawings and are described below.

Es zeigen

Fig. 1
eine schematische Darstellung der erfindungsgemäßen Bogenüberführtrommel mit Arretiereinrichtung (Raststellung der Flächenabdeckung),
Fig. 2
eine schematische Darstellung der erfindungsgemäßen Bogenüberführtrommel mit Arretiereinrichtung (Arbeitsstellung der Flächenabdeckung);
Fig. 3
eine schematische Darstellung eines zweiten Ausführungsbeispiels, bei der an der doppelt großen Überführtrommel auf einer Hälfte die "Raststellung" und auf der anderen die "Arbeitsstellung" gezeigt ist,
Fig. 4
eine schematische Darstellung eines dritten Ausführungsbeispiels mit "Rast- und Arbeitsstellung" der Abstützflächen,
Fig. 5
eine schematische Darstellung eines vierten Ausführungsbeispiels mit "Rast- und Arbeitsstellung" der Abstützflächen,
Fig. 6
eine schematische Darstellung eines fünften Ausführungsbeispiels mit "Rast- und Arbeitsstellung" der Abstützflächen.
Show it
Fig. 1
1 shows a schematic representation of the sheet transfer drum according to the invention with locking device (latching position of the surface cover),
Fig. 2
a schematic representation of the sheet transfer drum according to the invention with locking device (working position of the surface cover);
Fig. 3
2 shows a schematic representation of a second exemplary embodiment, in which the "locking position" is shown on one half of the double-sized transfer drum and the "working position" is shown on the other,
Fig. 4
2 shows a schematic illustration of a third exemplary embodiment with the “resting and working position” of the support surfaces,
Fig. 5
1 shows a schematic illustration of a fourth exemplary embodiment with the “resting and working position” of the support surfaces,
Fig. 6
is a schematic representation of a fifth embodiment with "rest and working position" of the support surfaces.

Eine Bogenübeführtrommel 1 besteht u. a. aus einer Welle 2, mittels der sie in Seitengestellen (nicht dargestellt) einer Bogenrotationsdruckmaschine gelagert ist und aus innerhalb der Seitengestelle an der Welle 2 befestigten Seitengerüsten 3, die Stützelemente 4 tragen. Die Stützelemente 4 sind sogenannte Sporenrädchen, welche in einer Anzahl nebeneinander aufgereiht auf einer Achse 6 gelagert sind. Die Achse 6 selbst ist in Bohrungen 7 in den Seitengerüsten 3 herausnehmbar angeordnet und erstreckt sich achsparallel von einem Seitengerüst 3 der Bogenüberführtrommel 1 zum anderen. Um einen größeren Stützbereich für die zu transportierenden Bogen zu erreichen, sind parallel eine Anzahl (z. B. sieben) Achsen 6 mit darauf axial verschiebbar angeordneten Sporenrädchen 4 so in einem Abstand von der Welle 2 angeordnet, daß diese mit ihren radial nach außen gerichteten Umfängen den Gesamtumfang U der Bogenüberführtrommel 1 bilden. Dieser entspricht im wesentlichen dem durch eine Greiferauflage 8 vorgegebenen Umfang. Die Überführtrommel 1 ist in dem Ausführungsbeispiel der Fig. 1 eine doppelt große Trommel mit zwei diametral gegenüberliegend angeordneten Greifersystemen 9. Da Symmetrie vorliegt, wird der Einfachheit halber die Erfindung nur anhand einer Trommelhälfte beschrieben.A sheet transfer drum 1 is u. a. from a shaft 2, by means of which it is mounted in side frames (not shown) of a sheet-fed rotary printing press, and from side frames 3 fastened to the shaft 2 within the side frames, which support elements 4. The support elements 4 are so-called spur wheels, which are mounted in a row on an axis 6 in a row. The axis 6 itself is removably arranged in bores 7 in the side frames 3 and extends axially parallel from one side frame 3 of the sheet transfer drum 1 to the other. In order to achieve a larger support area for the sheets to be transported, a number (for example seven) axes 6 with spore wheels 4 axially displaceably arranged thereon are arranged at a distance from the shaft 2 in such a way that they are directed radially outward Include the entire circumference U of the sheet transfer drum 1. This corresponds essentially to the extent specified by a gripper pad 8. In the exemplary embodiment in FIG. 1, the transfer drum 1 is a double-sized drum with two gripper systems 9 arranged diametrically opposite one another. Since there is symmetry, for the sake of simplicity, the invention is only described with reference to one drum half.

Zusätzlich zu den Sporenrädchen 4 ist eine Flächenabdeckung 11 vorgesehen, die eine dem Umfang U entsprechende Krümmung aufweist. Die Flächenabdeckung 11 weist parallel zu den Seitengerüsten 3 der Bogenübeführtrommel 1 angeordnete Seitenwände 12 auf. Die Seitenwände 12 sind jeweils an einem Winkelhebel 14 befestigt. Der Winkelhebel 14 ist mit einem Ende 16 um einen Bolzen 13 schwenkbar am Seitengerüst 3 gelagert und trägt an seinem freien Ende 15 eine drehbar gelagerte Rolle 17.In addition to the spur wheels 4, a surface cover 11 is provided which has a curvature corresponding to the circumference U. The surface cover 11 has Side walls 12 arranged parallel to the side frames 3 of the sheet transfer drum 1. The side walls 12 are each attached to an angle lever 14. The angle lever 14 is pivotally mounted at one end 16 about a bolt 13 on the side frame 3 and carries a rotatably mounted roller 17 at its free end 15.

An einer Lagerstelle am Seitengerüst 3 ist ein Arretierhebel 19 schwenkbar gelagert. Der Arretierhebel 19 weist eine Anschlagkante 21 für die Rolle 17 und ein Widerlager 22 für eine an der Flächenabdeckung 11 angeordnete Rückstellfeder 23 auf. Die Rückstellfeder 23 ist als Torsionsspiralfeder ausgeführt und stützt sich mit einem ersten Schenkel unterhalb der Flächenabdeckung 11 und mit einem zweiten Schenkel an dem Widerlager 22 des Arretierhebels 19 ab. Die aufbeiden Seiten angeordneten Arretierhebel 19 weisen zur Synchronisation einer Schwenkbewegung eine Traverse 24 auf, welche in axialer Richtung etwa mittig einen Stellhebel 26 trägt, der soweit über eine Vorderkante der Flächenabdeckung 11 hervorsteht, daß er leicht betätigbar ist. Ein am Seitengerüst 3 angeordneter Anschlagbolzen 27 greift durch einen im Arretierhebel 19 vorgesehenen Durchbruch 29 hindurch und liegt durch die Spannung der Rückstellfeder 23 an diesem an.At a bearing point on the side frame 3, a locking lever 19 is pivotally mounted. The locking lever 19 has a stop edge 21 for the roller 17 and an abutment 22 for a return spring 23 arranged on the surface cover 11. The return spring 23 is designed as a torsion coil spring and is supported with a first leg below the surface cover 11 and with a second leg on the abutment 22 of the locking lever 19. The locking levers 19 arranged on both sides have a crossmember 24 for synchronizing a pivoting movement, which carries an adjusting lever 26 approximately centrally in the axial direction, which projects so far beyond a front edge of the surface cover 11 that it can be easily actuated. A stop bolt 27 arranged on the side frame 3 engages through an opening 29 provided in the locking lever 19 and bears against the restoring spring 23 due to the tension thereof.

Bei der Verarbeitung z. B. von Karton sind die Sporenrädchen 4 aktiviert und die Flächenabdeckung 11 befindet sich in eingerastetem Zustand, wie in Fig. 1 dargestellt, unterhalb des Umfangs U. Die Rolle 17 liegt hierbei an der Anschlagkante 21 an. Diese ist so geneigt, daß die Rolle 17 nicht selbständig nach außen schwenken kann. Soll nun eine Umstellung von Sporenrädchenbetrieb auf Flächenabdeckungsbetrieb vorgenommen werden, z. B. Zur Verarbeitung von dünnem Papier, werden zunächst die Sporenrädchen 4 zusammen mit den Wellen 6 entfernt. Daraufhin wird der Arretierhebel 19 betätigt. Hierbei wird mittels des Stellhebels 26 eine Schwenkbewegung des Arretierhebels 19 gegen die Kraft der Rückstellfeder 23 erzeugt, die die Rolle 17 freigibt. Der Winkelhebel 14 wird dabei über die Rolle 17 zunächst gegen die vorgesehene Stellrichtung um den Lagerpunkt 13 am Seitengerüst 3 geschwenkt. Da der Abstand zwischen Lagerpunkt 13 und Rolle 17 größer ist als der Abstand zwischen Lagerpunkt 18 des Arretierhebels 19 und der Anschlagkante 21 und beide Elemente, Anschlagkante 21 und Rolle 17, sich dadurch auf unterschiedlichen Bahnen bewegen, wird die Rolle 17 von der Anschlagkante 21 freigegeben.When processing z. B. of cardboard, the spur wheels 4 are activated and the surface cover 11 is in the locked state, as shown in Fig. 1, below the circumference U. The roller 17 abuts the stop edge 21. This is inclined so that the roller 17 cannot independently pivot outwards. If you want to switch from spur wheel operation to area covering operation, e.g. B. To process thin paper, the spur wheels 4 are first removed together with the shafts 6. The locking lever 19 is then actuated. Here, a pivoting movement of the locking lever 19 against the force of the return spring 23 is generated by the adjusting lever 26, which releases the roller 17. The angle lever 14 is initially on the roller 17 pivoted against the intended adjustment direction around the bearing point 13 on the side frame 3. Since the distance between the bearing point 13 and the roller 17 is greater than the distance between the bearing point 18 of the locking lever 19 and the stop edge 21 and both elements, stop edge 21 and roller 17, thereby move on different tracks, the roller 17 is released from the stop edge 21 .

Durch die Kraft der Rückstellfedern 23 wird die an den Winkelhebeln 14 befestigte Flächenabdeckung 11 um den Bolzen 13 nach außen bis auf den Umfang U geschwenkt.Due to the force of the return springs 23, the surface cover 11 fastened to the angle levers 14 is pivoted outward about the bolt 13 to the circumference U.

Hierbei schlägt die Rolle 17 an einen Anschlag 30 an, der am Seitengerüst 3 befestigt ist und zu seiner Justierung verschiebbar gelagert ist. Mittels der Einstellung des Anschlags 30 ist der durch die Flächenabdeckung 11 vorgegebene Umfang U der Bogenüberführtrommel 1 einstellbar.Here, the roller 17 strikes a stop 30 which is fastened to the side frame 3 and is displaceably mounted for its adjustment. By means of the setting of the stop 30, the circumference U of the sheet transfer drum 1 predetermined by the surface cover 11 can be adjusted.

Zur Verarbeitung z. B. von Karton wird die Flächenabdeckung 11 gegen die Kraft der Rückstellfedern 23 nach innen gedrückt bis die Rolle 17 hinter der Anschlagkante 21 des Arretierhebels 19 einrastet. Der Schwenkpunkt 13 der Flächenabdeckung 11 liegt hierbei außerhalb der Flächenabdeckung 11, jedoch soweit innerhalb des Umfangs U, daß die Flächenabdeckung 11 vollständig im Umfang U versenkt wird.For processing z. B. of cardboard, the surface cover 11 is pressed inward against the force of the return springs 23 until the roller 17 engages behind the stop edge 21 of the locking lever 19. The pivot point 13 of the surface cover 11 lies outside of the surface cover 11, but within the circumference U to the extent that the surface cover 11 is completely submerged in the circumference U.

Bei einem zweiten Ausführungsbeispiel gemäß Fig. 3 ist es vorgesehen, eine Flächenabdeckung 31 einzusetzen, die ebenfalls eine dem Umfang U der Bogenüberführtrommel 1 angepaßte Krümmung aufweist. Seitlich an der Flächenabdeckung 31 angeordnete Befestigungsmittel 32, 33 dienen zur Arretierung der Flächenabdeckung 31 am Seitengerüst 3. In einer "Arbeitsstellung" für die Verarbeitung von dünnem Papier liegt die Flächenabdeckung 31 auf den Sporenrädchen 4 auf. In einer "Raststellung" liegt die Flächenabdeckung 31 zwischen der Welle 2 und den Sporenrädchen 4 innerhalb der Peripherie der Bogenüberführtrommel 1. In beiden Fällen wird die Flächenabdeckung 31 mittels der Befestigungsmittel 32, 33 an dem Seitengerüst 23 befestigt.In a second exemplary embodiment according to FIG. 3, it is provided to use a surface cover 31 which likewise has a curvature which is adapted to the circumference U of the sheet transfer drum 1. Fastening means 32, 33 arranged laterally on the surface cover 31 serve to lock the surface cover 31 on the side frame 3. In a "working position" for processing thin paper, the surface cover 31 rests on the spur wheels 4. In a "locking position", the surface cover 31 lies between the shaft 2 and the spur wheels 4 within the periphery of the sheet transfer drum 1. In both In cases, the surface cover 31 is fastened to the side frame 23 by means of the fastening means 32, 33.

Bei einem dritten Ausführungsbeispiel gemäß Fig. 4 ist vorgesehen, die Sporenrädchen 4 und eine Flächenabdeckung 41 auf einem gemeinsamen Tragkörper 42 anzuordnen. Dieser weist zwei Tragbereiche für einen Bogen auf, wobei der eine durch die Sporenrädchen 4 und der andere durch die Flächenabdeckung 41 gebildet wird. Beide Tragbereiche sind genau spiegelsymmetrisch gegenüberliegend angeordnet, so daß sich nur jeweils einer in der Arbeitsstellung und der jeweils andere in der Raststellung befindet. Lösbare Befestigungseinrichtungen fixieren die Tragkörper 42 am Seitengerüst 3 in der gewünschten Stellung.In a third exemplary embodiment according to FIG. 4, it is provided that the spur wheels 4 and a surface cover 41 are arranged on a common support body 42. This has two supporting areas for an arch, one being formed by the spur wheels 4 and the other by the surface cover 41. Both support areas are arranged exactly opposite each other so that only one is in the working position and the other is in the locking position. Detachable fastening devices fix the support body 42 on the side frame 3 in the desired position.

Bei einem vierten Ausführungsbeispiel gemäß Fig. 5 ist es vorgesehen, sowohl die Sporenrädchen 4 als auch die Flächenabdeckung 51 an einer Greiferbrücke des Greifersystems 9 anzuordnen. In einer Arbeitsstellung der Sporenrädchen 4 und einer Raststellung der Flächenabdeckung 51 sind die Sporenrädchen 4 auf einem Tragbügel 52 gelagert, der mittels eines ersten Endes 53 an der Greiferbrücke 9 und mittels eines zweiten Endes 54 an einer Lagerstelle 55 eines Trägers 56 gelagert ist. Der Träger 56 ist an der Welle 2 befestigt. Die Flächenabdeckung 51 ist mittels ihres ersten Endes 57 schwenkbar an einer Lagerstelle 58 der Greiferbrücke 9 und mittels ihres zweiten Endes an einem Hebel 59 gelagert. Der Hebel 59 ist schwenkbar am Träger 56 angeordnet. Zur Verarbeitung von z. B. dünnem Papier wird die Flächenabdeckung 51 in die Arbeitsstellung und die Sporenrädchen 4 in die Raststellung verbracht. Hierbei wird zunächst der Tragbügel 52 an der Lagerstelle 55 des Trägers 56 gelöst. Daraufhin wird das Ende der Flächenabdeckung 51 an der Lagerstelle 58 an der Greiferbrücke 9 gelöst. Der Tragbügel 52 und die Flächenabdeckung 51 werden um ihre jeweils zweite Lagerstelle nach außen geschwenkt und in umgekehrter Reihenfolge wieder nach innen zurückgeschwenkt. Daraufhin wird zunächst der Tragbügel 52 an einer Lagerstelle 60 des Trägers 66 arretiert und darauf folgend die Flächenabdeckung 51 an einer Lagerstelle 62 an der Greiferbrücke 9 arretiert. Der Hebel 59 schwenkt hierbei in eine radiale Stellung, so daß die Flächenabdeckung 61 den Umfang U bildet.In a fourth exemplary embodiment according to FIG. 5, it is provided that both the spur wheels 4 and the surface cover 51 are arranged on a gripper bridge of the gripper system 9. In a working position of the spur wheels 4 and a latching position of the surface cover 51, the spur wheels 4 are mounted on a support bracket 52 which is mounted on the gripper bridge 9 by means of a first end 53 and on a bearing point 55 of a carrier 56 by means of a second end 54. The carrier 56 is attached to the shaft 2. The surface cover 51 is pivotally mounted on a bearing point 58 of the gripper bridge 9 by means of its first end 57 and on a lever 59 by means of its second end. The lever 59 is pivotally arranged on the carrier 56. For processing z. B. thin paper, the surface cover 51 is placed in the working position and the spur wheels 4 in the locking position. Here, the support bracket 52 is first released at the bearing point 55 of the carrier 56. Then the end of the surface cover 51 is released at the bearing 58 on the gripper bridge 9. The support bracket 52 and the surface cover 51 are pivoted outward about their respective second bearing point and pivoted back inward in the reverse order. Thereupon the support bracket 52 is first locked at a bearing 60 of the carrier 66 and then the surface cover 51 at one Bearing point 62 locked on the gripper bridge 9. The lever 59 pivots here in a radial position, so that the surface cover 61 forms the circumference U.

Bei einem fünften Ausführungsbeispiel gemäß Fig. 6 ist es vorgesehen, die Sporenrädchen 4 und die Flächenabdeckung 61 an einem endlosen Band oder einer Kette 63 hintereinander anzuordnen. An den Seitengerüsten 3 ist eine Führung 64 vorgesehen, in welcher das Band bzw. die Kette 63 geführt ist. Die Flächenabdeckung 61 besteht in diesem Ausführungsbeispiel aus einer Anzahl gelenkig miteinander verbundener Platten 61a, 61b, 61c, usw., oder einer elastischen Folie oder einem Tuch oder dergl..In a fifth exemplary embodiment according to FIG. 6, it is provided that the spur wheels 4 and the surface cover 61 are arranged one behind the other on an endless belt or chain 63. A guide 64 is provided on the side frames 3, in which the belt or chain 63 is guided. In this exemplary embodiment, the surface cover 61 consists of a number of plates 61a, 61b, 61c, etc., which are connected to one another in an articulated manner, or an elastic film or a cloth or the like.

Zum Verbringen der Flächenabdeckung 61 aus einer Raststellung in eine Arbeitsstellung werden die Sporenrädchen 4 nach Lösen einer nicht dargestellten Arretierung soweit in der Führung 64 weitergeschoben, bis diese innerhalb der Pheripherie der Bogenüberführtrommel 1 zu liegen kommen und die Flächenabdeckung 61 den Umfang U der Bogenüberführtrommel 1 bildet.To move the surface cover 61 from a rest position into a working position, the spur wheels 4 are pushed further into the guide 64 after releasing a locking device, not shown, until they come to lie within the periphery of the sheet transfer drum 1 and the surface cover 61 forms the circumference U of the sheet transfer drum 1 .

Da die Bogenüberführtrommel 1 im wesentlichen spiegelsymmetrisch aufgebaut ist, erfolgte die Beschreibung der vorstehenden Ausführungsbeispiele der Einfachheit halber nur anhand einer Seite, gemäß der jeweils dargestellten Figur. Selbstverständlich erstrecken sich die Stützelemente, wie Sporenrädchen 4 und Flächenabdeckungen 11, 31, 41, 51, 61 von einer Seite der Bogenüberführtrommel 1 zur anderen.Since the sheet transfer drum 1 is constructed essentially mirror-symmetrically, for the sake of simplicity, the description of the above exemplary embodiments was made only on the basis of one side, according to the figure shown in each case. Of course, the support elements, such as spur wheels 4 and surface covers 11, 31, 41, 51, 61, extend from one side of the sheet transfer drum 1 to the other.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
BogenüberführtrommelSheet transfer drum
22nd
Wellewave
33rd
SeitengerüstSide frame
44th
Stützelement (Sporenrädchen)Support element (spur wheel)
55
66
Achseaxis
77
Bohrungdrilling
88th
GreiferauflageGripper pad
99
GreifersystemGripper system
1010th
1111
FlächenabdeckungSurface coverage
1212th
Seitenwand (11)Sidewall (11)
1313
Bolzenbolt
1414
WinkelhebelAngle lever
1515
freies Ende (14)free end (14)
1616
erstes Ende (14)first end (14)
1717th
Rollerole
1818th
Lagerstelle (19)Bearing (19)
1919th
ArretierhebelLocking lever
2020th
2121
Anschlagkante (19)Stop edge (19)
2222
Widerlager(19)Abutment (19)
2323
RückstellfederReturn spring
2424th
Traverse(19)Traverse (19)
2525th
2626
Stellhebel (24)Adjusting lever (24)
2727
AnschlagbolzenStop bolts
2929
Durchbruch (19)Breakthrough (19)
3030th
Anschlagattack
3131
FlächenabdeckungSurface coverage
3232
BefestigungsmittelFasteners
3333
BefestigungsmittelFasteners
4141
FlächenabdeckungSurface coverage
4242
TragkörperSupporting body
5151
FlächenabdeckungSurface coverage
5252
TragbügelSupport bracket
5353
erstes Ende (52)first end (52)
5454
zweites Ende (52)second end (52)
5555
Lagerstelle (56)Bearing (56)
5656
Trägercarrier
5757
erstes Ende (51)first end (51)
5858
Lagerstelle (9)Bearing (9)
5959
Hebellever
6060
Lagerstelle (56)Bearing (56)
6161
FlächenabdeckungSurface coverage
6262
LagerstelleDepository
6363
Band, KetteRibbon, chain
6464
Führungguide
UU
Umfangscope

Claims (13)

Übeführtrommel in einer Bogen verarbeitenden Druckmaschine, mit einer zumindest segmentweise aus einzelnen punktförmigen Stützelementen gebildeten, am Umfang der Überführtrommel angeordneten Abstützfläche,
dadurch gekennzeichnet, daß zusätzlich zu dieser Abstützfläche eine zumindest segmentweise am Umfang der Überführtrommel (1) angeordnete geschlossene Abstützfläche (11, 31, 41, 51, 61) vorgesehen ist, und daß diese gegeneinander austauschbar sind. Transfer drum in a sheet-fed printing press, with a support surface formed at least in segments from individual punctiform support elements and arranged on the circumference of the transfer drum,
characterized by that in addition to this support surface, a closed support surface (11, 31, 41, 51, 61) arranged at least in segments on the circumference of the transfer drum (1) is provided, and that these are interchangeable. Überführtrommel nach Anspruch 1,
dadurch gekennzeichnet, daß die punktförmigen Stützelemente (4) und die als Flächenabdeckungen (11, 31, 41, 51, 61) ausgeführte geschlossene Abstutzfläche jeweils in eine "Arbeitsstellung" und in eine "Raststellung" verbringbar angeordnet sind. Transfer drum according to claim 1,
characterized by that the punctiform support elements (4) and the closed support surface designed as surface covers (11, 31, 41, 51, 61) are each arranged in a "working position" and in a "latching position". Überführtrommel nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Flächenabdeckung (11; 51) schwenkbar an der Überführtrommel (1) gelagert ist. Transfer drum according to claim 1 or 2,
characterized by that the surface cover (11; 51) is pivotally mounted on the transfer drum (1). Überführtrommel nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß ein Verriegelungselement (19) Zur Festsetzung der Flächenabdeckung (11) in einer "Raststellung" innerhalb der Peripherie des Umfangs (U) der Überführtrommel (1) vorgesehen ist. Transfer drum according to one of the preceding claims,
characterized by that a locking element (19) for fixing the surface cover (11) is provided in a "locking position" within the periphery of the circumference (U) of the transfer drum (1). Überführtrommel nach Anspruch 4,
dadurch gekennzeichnet, daß das Verriegelungselement ein schwenkbar an einem Seitengerüst der Bogenüberführtrommel (1) gelagerter Arretierhebel (19) ist, der eine Anschlagkante (21) aufweist. Transfer drum according to claim 4,
characterized by that the locking element is a pivotable on a side frame of the sheet transfer drum (1) locking lever (19) having a stop edge (21). Überführtrommel nach Anspruch 5,
dadurch gekennzeichnet, daß die schwenkbare Flächenabdeckung (11) eine drehbar gelagerte Rolle (17) aufweist, die mit der Anschlagkante (21) des schwenkbaren Arretierhebels (19) in Anlage verbringbar angeordnet ist. Transfer drum according to claim 5,
characterized by that the pivotable surface cover (11) has a rotatably mounted roller (17) which is arranged so that it can be brought into contact with the stop edge (21) of the pivotable locking lever (19). Überführtrommel nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß eine Rückstellfeder (23) vorgesehen ist, die sich zum einen an der Flächenabdeckung (11) und zum anderen an dem Arretierhebel (19) abstützt. Transfer drum according to one of the preceding claims,
characterized by that a return spring (23) is provided, which is supported on the one hand on the surface cover (11) and on the other hand on the locking lever (19). Überführtrommel nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß ein Stellelement (14) vorgesehen ist, das die Flächenabdeckung (11) trägt, und daß ein Schwenkpunkt des Stellelementes (14) außerhalb der Flächenabdeckung (11) jedoch innerhalb der Peripherie des Umfangs (U) der Bogenüberführtrommel (1) angeordnet ist. Transfer drum according to one of the preceding claims,
characterized by that an actuator (14) is provided which carries the surface cover (11), and that a pivot point of the actuating element (14) outside the surface cover (11) but within the periphery of the circumference (U) of the sheet transfer drum (1) is arranged. Überführtrommel nach Anspruch 1,
dadurch gekennzeichnet, daß die Stützelemente (4) und die Flächenabdeckung (41) auf einem gemeinsamen Tragkörper (42) angeordnet sind, so daß die "Raststellung" der Stützelemente (4) der "Arbeitsstellung" der Flächenabdeckung (41) entspricht und umgekehrt. Transfer drum according to claim 1,
characterized by that the support elements (4) and the surface cover (41) are arranged on a common support body (42), so that the "locking position" of the support elements (4) corresponds to the "working position" of the surface cover (41) and vice versa. Überführtrommel nach Anspruch 1,
dadurch gekennzeichnet, daß sowohl die Stützelemente (4), als auch die Flächenabdeckung (51) schwenkbar an der Bogenüberführtrommel (1) gelagert sind. Transfer drum according to claim 1,
characterized by that both the support elements (4) and the surface cover (51) are pivotally mounted on the sheet transfer drum (1). Überführtrommel nach Anspruch 1,
dadurch gekennzeichnet, daß die Stützelemente (4) und die Flächenabdeckung (61) gemeinsam an einem endlosen Träger (63) angeordnet sind. Transfer drum according to claim 1,
characterized by that the support elements (4) and the surface cover (61) are arranged together on an endless support (63). Überführtrommel nach Anspruch 11,
dadurch gekennzeichnet, daß der Träger (63) ein Band oder eine Kette ist. Transfer drum according to claim 11,
characterized by that the carrier (63) is a band or a chain. Überführtrommel nach Anspruch 12,
dadurch gekennzeichnet, daß Führungen (64) vorgesehen sind, in denen der Träger (63) geführt ist, und daß diese Führungen (64) an Seitengerüsten (3) der Bogenüberführtrommel (1) befestigt sind. Transfer drum according to claim 12,
characterized by that guides (64) are provided in which the carrier (63) is guided, and that these guides (64) are attached to side frames (3) of the sheet transfer drum (1).
EP97115083A 1996-10-31 1997-09-01 Transfer drum in a sheet-fed printing press Expired - Lifetime EP0839649B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19644011A DE19644011A1 (en) 1996-10-31 1996-10-31 Transfer drum in a sheet-fed printing machine
DE19644011 1996-10-31

Publications (3)

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EP0839649A2 true EP0839649A2 (en) 1998-05-06
EP0839649A3 EP0839649A3 (en) 1999-01-20
EP0839649B1 EP0839649B1 (en) 2001-12-12

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Country Status (4)

Country Link
US (1) US6082260A (en)
EP (1) EP0839649B1 (en)
JP (1) JP4056115B2 (en)
DE (2) DE19644011A1 (en)

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Also Published As

Publication number Publication date
DE59705759D1 (en) 2002-01-24
JPH10138457A (en) 1998-05-26
DE19644011A1 (en) 1998-05-07
JP4056115B2 (en) 2008-03-05
EP0839649A3 (en) 1999-01-20
EP0839649B1 (en) 2001-12-12
US6082260A (en) 2000-07-04

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