EP0453789A1 - Sheet transport drum with a non relocatable ending in an axle box and a relocatable ending in an axle box - Google Patents

Sheet transport drum with a non relocatable ending in an axle box and a relocatable ending in an axle box Download PDF

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Publication number
EP0453789A1
EP0453789A1 EP91104695A EP91104695A EP0453789A1 EP 0453789 A1 EP0453789 A1 EP 0453789A1 EP 91104695 A EP91104695 A EP 91104695A EP 91104695 A EP91104695 A EP 91104695A EP 0453789 A1 EP0453789 A1 EP 0453789A1
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EP
European Patent Office
Prior art keywords
drum
drive
sheet transport
shaft
support
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
EP91104695A
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German (de)
French (fr)
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EP0453789B1 (en
Inventor
Ingo Köbler
Roland Höll
Dietrich Dettinger
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Manroland AG
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MAN Roland Druckmaschinen AG
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Publication date
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Priority to AT91104695T priority Critical patent/ATE101083T1/en
Publication of EP0453789A1 publication Critical patent/EP0453789A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices
    • B41F13/36—Cams, eccentrics, wedges, or the like

Definitions

  • the invention relates to a sheet transport drum according to the preamble of patent claim 1.
  • Such a device is known from DE-OS 3 400 652.
  • a device of this type is known from DE-OS 3 400 652.
  • a correction cylinder on its operating side should be able to be adjusted relative to its target position.
  • the axis of the correction cylinder as a whole is inclined with respect to the neighboring cylinders.
  • the reason given for the position of the inclined device on the operating side is that better operation and less mechanical effort are required in the construction.
  • the device has the disadvantage that it does not avoid effects on the transmission due to the inclination.
  • the displacement of the cylinder be it directly on the transmission side or also on the opposite side, which the relevant position is not known, will always cause an inclination, in the worst case even a displacement of a gearwheel in the drive train relative to the neighboring gearwheels. This compensates for the problem of improving sheet transfer by worsening the conditions in the drive train.
  • DE-C1 37 04 314 describes an arrangement for adjusting the tooth play between the drive gear wheels of sheet-transporting cylinders and drums of sheet-fed rotary printing machines.
  • Eccentric bearing bushes are provided on both sides for the storage of all the drums mentioned. They are used to move the drums in parallel to adjust the tooth play in the drive. An inclination of the drums is not provided and cannot be carried out without disadvantage for the drive conditions.
  • the aim of the invention is not to worsen the drive conditions through additional measures in the area of the register setting.
  • the invention is therefore based on the object of providing means in a device according to the preamble of patent claim 1 which prevent a change in the drive conditions by inclining a sheet transport drum.
  • the shaft of the sheet transport drum can be provided with axially movable but radially and circumferentially rigid elements relative to the drive-side bearing.
  • an inclined drum body which is rigidly mounted in the circumferential direction can be provided on a rigid drum shaft.
  • a sheet transport drum 1 is shown according to the invention.
  • the sheet transport drum 1 consists essentially of a drive pin 2 and a shaft pin 3 with supporting disks 4, 5 flanged thereon. Between the supporting disks 4, 5, gripper bars 6, 7 are provided for attaching gripper devices for sheet transport.
  • Bearings 8, 9 are provided in the machine wall 10 for drive 2 and shaft journals 3.
  • a drive gear 11 is fastened on the drive pin 2.
  • a positioning eccentric 12 is additionally provided on the bearing 9, with the aid of which the axis of the sheet transport drum 1 can be pivoted. By rotating the positioning eccentric 12 with the aid of an actuator (not shown here), the position of the axis is inclined relative to the normal position about a pivot point S. This is shown by the double dash-dotted line.
  • the pivot point S lies on the drum axis at the inner edge of the drive pin 2. Because of the connection within the sheet transport drum 1 that too Drive gear 11 would be inclined, a small amount of axially movable decoupling is provided in the transition between the support plate 4 on the drive side and the drive pin 2. In the direction of rotation and radially, however, the coupling point is designed so rigid that no movement is possible.
  • FIG. 2 The design of the coupling point in the connection between the support plate 4 and the drive pin 2 is shown in FIG. 2.
  • the drive pin 2 carries the gear 11 and is guided in the bearing 8.
  • the support disk 4 is placed on its inner end. It is connected to the drive pin 2 with the aid of an annular coupling membrane 13.
  • the coupling membrane 13 is connected to the inner end face of the drive pin 2 and the inner circumference of the support disk 4 with a uniformly distributed set of connecting screws 14. As a result, the support disk 4 is held flush with the drive pin 2, axial movements being largely avoided. On the other hand, however, a bend can be made around the connection defined by the coupling membrane 13.
  • FIG. 4 shows a variant for the inclination of a drum body on a continuous drum shaft 16.
  • the drum body with support disks 17, 18 is mounted at two points on the drum shaft 16, the support disks 17, 18 being rigidly connected to the drum shaft 16 in the circumferential direction.
  • a setting eccentric 19 is provided between the support disk 18 and the drum shaft 16, with the aid of which the drum body can be inclined relative to the drum shaft 16.
  • this is provided with an arcuate bearing surface 20 opposite the drum shaft 16.
  • the support disks 17, 18 are with flanges 21, 22 on the Mounted drum shaft 16 and rigidly coupled with bolts 23, 24 to the drum shaft 16 in the circumferential direction.
  • An actuator required for this can be arranged circumferentially on the support disk 18 or stationary on the machine frame 25 with a coupling gear guided through the drum shaft 16.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

1. To eliminate displacement errors in multicolour printing in sheet-fed rotary printing machines, corrections are carried out by inclination of sheet transport drums. The drive must not be influenced by the inclination. <??>2. A sheet transport drum 1 consisting of support disks 17, 18 and gripper bars 6, 7 is mounted on a drum shaft 16. The support disk 18 is located with a flange 22 on an adjustment eccentric 19. The support disk 17 has on its flange 21 a curved bearing surface 20 about which the drum body can be inclined in relation to the drum shaft 16 by means of the adjustment eccentric 19. Alternatively, the drum body can be coupled to the drive-side bearing flexibly. <??>3. The movements of the drum inclination influence the drive and thus also the transmission ratios of the sheet-guiding cylinders to one another only in such a manner that no displacements which are harmful for the registration arise. <IMAGE>

Description

Die Erfindung betrifft eine Bogentransporttrommel nach dem Oberbegriff des Patenanspruchs 1.The invention relates to a sheet transport drum according to the preamble of patent claim 1.

Eine derartige Vorrichtung ist aus der DE-OS 3 400 652 bekannt.Such a device is known from DE-OS 3 400 652.

Beim Drucken von mehrfarbigen Bildern auf Druckbogen ist dafür zu sorgen, daß alle Teilbilder genau zur Deckung gebracht werden. Die Orientierung in Längs- und Seitenrichtung zum Bild ist dabei über konventionelle Umfangs- bzw. Seitenregistereinrichtungen an Bogendruckmaschinen lösbar. Ein Fehler des Druckbildes durch Schräglage ist aber nicht ohne Weiteres auf diesem Wege korrigierbar. Dazu ist die Technik eingeführt worden, beim Transport durch die Druckmaschine Bogenübergaben vorzusehen, die eine Schrägstellung der Druckbogen vor dem Weitertransport zulassen.When printing multicolored images on printed sheets, make sure that all drawing files are exactly aligned. The orientation in the longitudinal and lateral directions to the image can be solved using conventional peripheral or side register devices on sheet-fed printing machines. However, an error in the printed image due to the inclined position cannot easily be corrected in this way. For this purpose, the technology has been introduced to provide sheet transfers during transport through the printing press, which allow the printing sheets to be tilted prior to further transport.

Eine Vorrichtung dieser Art ist aus der DE-OS 3 400 652 bekannt. In der dort beschriebenen bogenverarbeitenden Druckmaschine soll ein Korrekturzylinder auf seiner Bedienungsseite gegenüber seiner Sollage verstellt werden können. Dadurch wird die Achse des Korrekturzylinders insgesamt gegenüber den Nachbarzylindern schräggestellt. Als Grund für die Lage der Schrägstelleinrichtung auf der Bedienungsseite wird genannt, daß eine bessere Bedienung und ein geringerer mechanischer Aufwand beim Aufbau gewünscht sind.A device of this type is known from DE-OS 3 400 652. In the sheet-processing printing machine described there, a correction cylinder on its operating side should be able to be adjusted relative to its target position. As a result, the axis of the correction cylinder as a whole is inclined with respect to the neighboring cylinders. The reason given for the position of the inclined device on the operating side is that better operation and less mechanical effort are required in the construction.

Die Vorrichtung hat den Nachteil, daß sie Auswirkungen auf das Getriebe durch die Schrägstellung nicht vermeidet. Durch die Verschiebung des Zylinders sei es direkt auf der Getriebeseite oder auch auf der gegenüberliegenden Seite, die das bezügliche Lage ist nicht bekannt, wird immer auch eine Schrägstellung, im gröbsten Falle sogar einer Verschiebung eines Zahnrades im Antriebszug gegenüber den Nachbarnzahnrädern hervorrufen. Damit wird die Problematik der Verbesserung der Bogenübergabe durch eine Verschlechterung der Verhältnisse im Antriebszug kompensiert.The device has the disadvantage that it does not avoid effects on the transmission due to the inclination. The displacement of the cylinder, be it directly on the transmission side or also on the opposite side, which the relevant position is not known, will always cause an inclination, in the worst case even a displacement of a gearwheel in the drive train relative to the neighboring gearwheels. This compensates for the problem of improving sheet transfer by worsening the conditions in the drive train.

In der DE-C1 37 04 314 ist eine Anordnung zur Zahnspieleinstellung zwischen den Antriebszahnrädern von bogentransportierenden Zylindern und Trommeln von Bogenrotationsdruckmaschinen beschrieben. Hier sind auf beiden Seiten zur Lagerung aller genannten Trommeln exzentrisch Lagerbüchsen vorgesehen. Sie werden zur Parallelverschiebung der Trommeln benutzt, um das Zahnspiel im Antrieb einzustellen. Eine Schrägstellung der Trommeln ist nicht vorgesehen und kann ohne Nachteil für die Antriebsverhältnisse nicht durchgeführt werden.DE-C1 37 04 314 describes an arrangement for adjusting the tooth play between the drive gear wheels of sheet-transporting cylinders and drums of sheet-fed rotary printing machines. Eccentric bearing bushes are provided on both sides for the storage of all the drums mentioned. They are used to move the drums in parallel to adjust the tooth play in the drive. An inclination of the drums is not provided and cannot be carried out without disadvantage for the drive conditions.

Ziel der Erfindung ist es, die Antriebsverhältnisse nicht durch Zusatzmaßnahmen im Bereich der Registereinstellung zu verschlechtern.The aim of the invention is not to worsen the drive conditions through additional measures in the area of the register setting.

Der Erfindung liegt daher die Aufgabe zugrunde, in einer Vorrichtung nach dem Oberbegriff des Patentanspruchs 1 Mittel vorzusehen, die eine Veränderung der Antriebsverhältnisse durch ein Schrägstellen einer Bogentransporttrommel verhindern.The invention is therefore based on the object of providing means in a device according to the preamble of patent claim 1 which prevent a change in the drive conditions by inclining a sheet transport drum.

Die Aufgabe wird nach dem Kennzeichen des Patentanspruchs 1 gelöst. Durch die verschiedenen Möglichkeiten zur Entkoppelung der schräggestellten Teile der Bogentransporttrommel gegenüber dem Antriebszahnrad erweitert sich der Anwendungsbereich der Technik der Schrägkorrektur durch Zylinderschrägstellung. Insbesondere vereinfacht sich der gesamte Korrekturablauf. Die größten Auswirkungen hat die Erfindung aber für die Belastung der Lagerung und die Exaktheit der Antriebsverhältnisse. Das Antriebszahnrad und auch die Lagerung des antriebsseitigen Wellenzapfens verbleiben auch bei Schrägstellung in ihrer jeweiligen Position. Je nach Variante der Erfindung kann sogar die gesamte Trommellagerung in ihrer Ursprungsposition verbleiben. Damit erspart man sich aufwendige Lagerungen bzw. Mittel zu deren Führung bei Verschiebungen.The object is achieved according to the characterizing part of patent claim 1. Due to the various possibilities for decoupling the inclined parts of the sheet transport drum from the drive gear, the field of application of the technology of inclined correction by cylinder inclination is expanded. In particular, the entire correction process is simplified. However, the invention has the greatest effects on the load on the bearing and the accuracy of the drive conditions. The drive gear and the bearing of the drive-side shaft journal remain in their respective position even when tilted. Depending on the variant of the invention, the entire drum bearing can even remain in its original position. This saves complex bearings and means for guiding them when moving.

Im Prinzip sind damit zwei Lösungsmöglichkeiten für die Entkoppelung der Schrägstellbewegung innerhalb einer Bogentransporttrommel vom Lager bzw. dem Antriebszahnrad der Trommel vorgegeben: Zum einen kann die Welle der Bogentransporttrommel gegenüber dem antriebsseitigen Lager durch axialbewegliche aber radial und in Umfangsrichtung steife Elemente vorgesehen werden. Zum anderen kann auf einer starren Trommelwelle ein schrägstellbarer aber in Umfangsrichtung starr gelagerter Trommelkörper vorgesehen werden.In principle, there are two possible solutions for decoupling the tilting movement within a sheet transport drum from the bearing or the drive gear of the drum: On the one hand, the shaft of the sheet transport drum can be provided with axially movable but radially and circumferentially rigid elements relative to the drive-side bearing. On the other hand, an inclined drum body which is rigidly mounted in the circumferential direction can be provided on a rigid drum shaft.

Weitere vorteilhafte Ausgestaltungen werden in den Unteransprüchen in Einzelnen beschrieben.Further advantageous refinements are described in detail in the subclaims.

Die Erfindung wird im Folgenden anhand von zeichnerischen Darstellungen beispielhaft erläutert. Die Veränderung der Lage des Trommelkörpers und seiner Achse ist in den Figuren jeweils strichliert dargestellt.The invention is explained below by way of example with reference to drawings. The change in the position of the drum body and its axis is shown in dashed lines in the figures.

Die Zeichnungen zeigen im Einzelnen

Figur 1
eine Bogentransporttrommel mit der Möglichkeit zur Schrägregisterung,
Figur 2
einen Ausschnitt mit der Darstellung des entkoppelten Antriebszapfens,
Figur 3
ein Detail aus Fig. 2 mit der Verbindung zwischen Antriebszapfen und Trommelkörper
Figur 4
eine Variante zur Verstellung des Trommelkörpers auf der Trommelachse
The drawings show in detail
Figure 1
a sheet transport drum with the possibility of inclined registration,
Figure 2
a detail with the representation of the decoupled drive pin,
Figure 3
a detail from Fig. 2 with the connection between the drive pin and drum body
Figure 4
a variant for adjusting the drum body on the drum axis

In Figur 1 ist eine Bogentransporttrommel 1 nach der Erfindung dargestellt. Die Bogentransporttrommel 1 besteht im wesentlichen aus einem Antriebszapfen 2 und einem Wellenzapfen 3 mit daran angeflanschten Tragscheiben 4, 5. Zwischen den Tragscheiben 4, 5 sind Greiferbalken 6, 7 zur Anbringung von Greifereinrichtungen für den Bogentransport vorgesehen. Für Antriebs- 2 und Wellenzapfen 3 sind Lagerungen 8, 9 in der Maschinenwand 10 vorgesehen. Auf dem Antriebszapfen 2 ist ein Antriebszahnrad 11 befestigt. Auf der gegenüberliegenden Seite ist an der Lagerung 9 zusätzlich ein Stellexzenter 12 vorgeshen, mit dessen Hilfe die Achse der Bogentransporttrommel 1 verschwenkt werden kann. Durch Drehung des Stellexzenters 12 mit Hilfe eines hier nicht dargestellten Stellantriebs wird die Lage der Achse gegenüber der Normallage um einen Schwenkpunkt S schräggestellt. Dies ist durch die doppelt strichpunktierte Linie dargestellt. Der Schwenkpunkt S liegt auf der Trommelachse am inneren Rand des Antriebszapfens 2. Da durch die Verbindung innerhalb der Bogentransporttrommel 1 auch das Antriebszahnrad 11 schräggestellt werden würde, ist im Übergang zwischen der Tragscheibe 4 auf der Antriebsseite und dem Antriebszapfen 2 eine in geringem Umfang axialbewegliche Entkoppelung vorgesehen. In Drehrichtung und radial ist die Koppelstelle aber so steif ausgelegt, daß keine Bewegung möglich ist.In Figure 1, a sheet transport drum 1 is shown according to the invention. The sheet transport drum 1 consists essentially of a drive pin 2 and a shaft pin 3 with supporting disks 4, 5 flanged thereon. Between the supporting disks 4, 5, gripper bars 6, 7 are provided for attaching gripper devices for sheet transport. Bearings 8, 9 are provided in the machine wall 10 for drive 2 and shaft journals 3. A drive gear 11 is fastened on the drive pin 2. On the opposite side, a positioning eccentric 12 is additionally provided on the bearing 9, with the aid of which the axis of the sheet transport drum 1 can be pivoted. By rotating the positioning eccentric 12 with the aid of an actuator (not shown here), the position of the axis is inclined relative to the normal position about a pivot point S. This is shown by the double dash-dotted line. The pivot point S lies on the drum axis at the inner edge of the drive pin 2. Because of the connection within the sheet transport drum 1 that too Drive gear 11 would be inclined, a small amount of axially movable decoupling is provided in the transition between the support plate 4 on the drive side and the drive pin 2. In the direction of rotation and radially, however, the coupling point is designed so rigid that no movement is possible.

Die Gestaltung der Koppelstelle in der Verbindung zwischen Tragscheibe 4 und Antriebszapfen 2 ist in Figur 2 dargestellt. Der Antriebszapfen 2 trägt das Zahnrad 11 und ist in der Lagerung 8 geführt. Auf seinem inneren Ende ist die Tragscheibe 4 aufgesetzt. Sie wird mit Hilfe einer ringförmigen Kupplungsmembran 13 an den Antriebszapfen 2 angeschlossen. Die Kupplungsmembran 13 ist mit je einem gleichmäßig verteilten Satz von Verbindungsschrauben 14 mit der inneren Stirnseite des Antriebszapfens 2 und dem inneren Umfang der Tragscheibe 4 verbunden. Dadurch wird die Tragscheibe 4 mit dem Antriebszapfen 2 bündig gehalten, wobei axiale Bewegungen weitestgehend vermieden werden. Andererseits kann aber eine Biegung um die durch die Kupplungsmembran 13 definierte Verbindung erfolgen.The design of the coupling point in the connection between the support plate 4 and the drive pin 2 is shown in FIG. 2. The drive pin 2 carries the gear 11 and is guided in the bearing 8. The support disk 4 is placed on its inner end. It is connected to the drive pin 2 with the aid of an annular coupling membrane 13. The coupling membrane 13 is connected to the inner end face of the drive pin 2 and the inner circumference of the support disk 4 with a uniformly distributed set of connecting screws 14. As a result, the support disk 4 is held flush with the drive pin 2, axial movements being largely avoided. On the other hand, however, a bend can be made around the connection defined by the coupling membrane 13.

In Figur 3 ist dargestellt, daß eine innere Umfangsfläche 26 der Tragscheibe 4, die einer äußeren Umfangsfläche 15 des Antriebszapfen 2 gegenübersteht, im Querschnitt d.h. in axialer Richtung zur Bogentransporttrommel bogenförmig ausgeführt ist. Die Tragscheibe 4 sitzt also annähernd linienförmig auf der Umfangsfläche 15 des Antriebszapfens 2 auf. Bei Verstellung des Stellexzenters 12 wird der Trommelkörper und damit auch die Tragscheibe 4 gegenüber dem Antriebszapfen 2 schräggestellt. Die Schrägstellung erfolgt in einer festen Ebene, die durch den Stellexzenter 12 vorgegeben wird. Sie wird in etwa senkrecht zur der Verbindungsebene durch die Achsen von mit der Bogentransporttrommel 1 zusammenarbeitenden bogenführenden Zylindern, z.B. Druckzylindern einer Bogenoffsetdruckmaschine, liegen. Damit wird die Kupplungsmembran 13 radial gesehen in ihrem Mittelbereich axial elastisch verformt, wobei die Tragscheibe 4 mit ihrer bogenförmigen inneren Umfangsfläche 26 auf der äußeren Umfangsfläche 15 des Antriebszapfens 2 "abrollt". Da die Schwenkebene statisch ist, läuft die Auslenkung an der Koppelstelle zwischen Antriebszapfen 2 und Tragscheibe 4 entsprechend der Rotationsbewegung relativ zur Bogentransporttrommel um. Die Bewegung ist insgesamt aber sehr klein. Bei einer Exzentrizität von z.B. 5 mm am Stellexzenter 12 ist etwa ein Schwenkweg von 5/100 mm an der Einspannstelle zu erwarten, die leicht durch die Kupplungsmembran 13 aufgenommen werden kann. Die realistischen Schwenkwege sind aber viel kleiner da die Verstellungen im Bereich von 1/10 mm liegen.In Figure 3 it is shown that an inner peripheral surface 26 of the support plate 4, which is opposite an outer peripheral surface 15 of the drive pin 2, is arcuate in cross section, ie in the axial direction to the sheet transport drum. The support disk 4 is thus seated approximately linearly on the peripheral surface 15 of the drive pin 2. When adjusting the positioning eccentric 12, the drum body and thus also the support disk 4 are inclined relative to the drive pin 2. The inclination takes place in a fixed plane, which is predetermined by the positioning eccentric 12. It will lie approximately perpendicular to the connection plane through the axes of sheet-guiding cylinders cooperating with the sheet transport drum 1, for example printing cylinders of a sheet-fed offset printing machine. With that the Coupling diaphragm 13, seen radially in its central region, is axially elastically deformed, the support disk 4 “rolling” with its arcuate inner peripheral surface 26 on the outer peripheral surface 15 of the drive pin 2. Since the swivel plane is static, the deflection at the coupling point between the drive pin 2 and the support disk 4 rotates relative to the sheet transport drum in accordance with the rotational movement. Overall, the movement is very small. With an eccentricity of, for example, 5 mm at the positioning eccentric 12, a swiveling path of 5/100 mm at the clamping point can be expected, which can easily be accommodated by the coupling membrane 13. The realistic swivel paths are much smaller since the adjustments are in the range of 1/10 mm.

In Figur 3 sind die Schwenkbewegung der Tragscheibe 4 und die Biegung der Kupplungsmembran 13 strichliert und übertrieben dargestellt. In Figur 4 ist eine Variante zur Schrägstellung eines Trommelkörpers auf einer durchgehenden Trommelwelle 16 dargestellt. Dazu ist der Trommelkörper mit Tragscheiben 17, 18 an zwei Stellen auf der Trommelwelle 16 gelagert, wobei die Tragscheiben 17, 18 in Umfangsrichtung starr mit der Trommelwelle 16 verbunden sind. Auf der vom Antriebszahnrad 11 abgewendeten Seite ist zwischen der Tragscheibe 18 und der Trommelwelle 16 ein Stellexzenter 19 vorgesehen, mit dessen Hilfe der Trommelkörper gegenüber der Trommelwelle 16 schräggestellt werden kann. Um eine Biegung auf die Trommelwelle 16 durch das Schrägstellen der Tragscheibe 17 zu vermeiden, ist diese mit einer bogenförmig ausgeführten Lagerfläche 20 gegenüber der Trommelwelle 16 versehen. Durch Verschieben der Tragscheibe 18 und Verlagerung ihres Mittelpunkts wird sich die Tragscheibe 17 auf der Antriebsseite auf ihrer bogenförmigen Lagerfläche 20 abwälzen. Damit wird die Bogenübergabe zwar schräggestellt, es werden aber Biegungen an der Trommelwelle 16 vermieden. Die Tragscheiben 17, 18 sind mit Flanschen 21, 22 auf der Trommelwelle 16 aufgesetzt und mit Bolzen 23, 24 an die Trommelwelle 16 in Umfangsrichtung starr angekoppelt. Ein dazu erforderlicher Stellantrieb kann umlaufend an der Tragscheibe 18 oder ortsfest am Maschinengestell 25 mit einem durch die Trommelwelle 16 geführten Koppelgetriebe angeordnet sein.In Figure 3, the pivoting movement of the support plate 4 and the bending of the clutch membrane 13 are shown in broken lines and exaggerated. FIG. 4 shows a variant for the inclination of a drum body on a continuous drum shaft 16. For this purpose, the drum body with support disks 17, 18 is mounted at two points on the drum shaft 16, the support disks 17, 18 being rigidly connected to the drum shaft 16 in the circumferential direction. On the side facing away from the drive gear 11, a setting eccentric 19 is provided between the support disk 18 and the drum shaft 16, with the aid of which the drum body can be inclined relative to the drum shaft 16. In order to avoid a bend on the drum shaft 16 due to the inclination of the support disk 17, this is provided with an arcuate bearing surface 20 opposite the drum shaft 16. By moving the support disk 18 and shifting its center, the support disk 17 will roll on its arcuate bearing surface 20 on the drive side. Thus, the sheet transfer is inclined, but bends on the drum shaft 16 are avoided. The support disks 17, 18 are with flanges 21, 22 on the Mounted drum shaft 16 and rigidly coupled with bolts 23, 24 to the drum shaft 16 in the circumferential direction. An actuator required for this can be arranged circumferentially on the support disk 18 or stationary on the machine frame 25 with a coupling gear guided through the drum shaft 16.

Denkbar ist schließlich noch eine weitere Variante zur Schrägstellung des Trommelkörpers, wobei hier im Übergang zwischen dem Wellenzapfen und der Welle zum Trommelkörper eine Nut angebracht ist, die eine bevorzugte Biegung der Welle an dieser Stelle zuläßt. Damit wird auch hier die Einleitung von Biegungen auf Lagerung und Antriebszahnrad vermieden.Finally, a further variant for the inclination of the drum body is conceivable, a groove being provided here in the transition between the shaft journal and the shaft to the drum body, which groove allows a preferred bending of the shaft at this point. This also prevents the initiation of bends on the bearing and drive gear.

BezugszeichenlisteReference symbol list

11
BogentransporttrommelSheet transport drum
22nd
AntriebszapfenDrive pin
33rd
WellenzapfenShaft journal
44th
TragscheibeSupport disc
55
TragscheibeSupport disc
66
GreiferbalkenGripper bar
77
GreiferbalkenGripper bar
88th
Lagerungstorage
99
Lagerungstorage
1010th
MaschinenwandMachine wall
1111
AntriebszahnradDrive gear
1212
StellexzenterEccentric
1313
KupplungsmembranClutch membrane
1414
VerbindungsschraubeConnecting screw
1515
äußere Umfangsflächeouter peripheral surface
1616
TrommelwelleDrum shaft
1717th
TragscheibeSupport disc
1818th
TragscheibeSupport disc
1919th
StellexzenterEccentric
2020th
Lagerflächestorage area
2121
Flanschflange
2222
Flanschflange
2323
Bolzenbolt
2424th
Bolzenbolt
2525th
MaschinenwandMachine wall
2626
innere Umfangsflächeinner peripheral surface
SS
SchwenkpunktPivot point

Claims (8)

Bogentransporttrommel, deren Achse an einem Ende unverschiebbar und am anderen Ende translatorisch bewegbar gelagert ist,
dadurch gekennzeichnet,
daß ein ein- oder mehrteiliger Trommelkörper (4, 5, 6, 7; 17, 18, 6, 7) vorgesehen ist, der gegenüber der Achse der antriebsseitigen Lagerung (8) schwenkbar ist.Sheet transport drum, the axis of which is fixed at one end and is translationally movable at the other end,
characterized by
that a one-part or multi-part drum body (4, 5, 6, 7; 17, 18, 6, 7) is provided which can be pivoted relative to the axis of the drive-side bearing (8). Bogentransporttrommel nach Anspruch 1,
dadurch gekennzeichnet,
daß der Trommelkörper (4, 5, 6, 7) mit einem antriebsabgewandten Wellenzapfen (3) starr verbunden ist, wobei der Wellenzapfen (3) in einer Maschinenwand (10) verschiebbar angeordnet ist, und mit einem Antriebszapfen (2) der ortsfest in der Maschinenwand (10) gelagert ist, drehsteif und radial fest aber winkelbeweglich verbunden ist.Sheet transport drum according to claim 1,
characterized by
that the drum body (4, 5, 6, 7) is rigidly connected to a shaft pin (3) facing away from the drive, the shaft pin (3) being arranged displaceably in a machine wall (10), and with a drive pin (2) which is stationary in the Machine wall (10) is mounted, torsionally rigid and radially fixed but angularly connected. Bogentransporttrommel nach Anspruch 1,
dadurch gekennzeichnet,
daß der Trommelkörper (17, 18, 6, 7) auf einer einstückigen Trommelwelle (16) drehfest gelagert und auf der einen Seite radial gegenüber der Achse der Trommelwelle (16) verschiebbar und auf der anderen Seite radial fest aber winkelbeweglich mit der Trommelwelle (16) verbunden ist.Sheet transport drum according to claim 1,
characterized by
that the drum body (17, 18, 6, 7) is rotatably mounted on a one-piece drum shaft (16) and on one side radially displaceable relative to the axis of the drum shaft (16) and on the other side radially fixed but angularly movable with the drum shaft (16 ) connected is. Bogentransporttrommel nach Anspruch 2,
dadurch gekennzeichnet,
daß der Trommelkörper (4, 5, 6, 7) aus zwei Tragscheiben (4, 5) und diese verbindende Greiferbalken (6, 7) besteht, daß die vom Antrieb abgewandte Tragscheibe (5) mit dem Wellenzapfen (3) über einen Stellexzenter (12) in der Maschinenwand (10) verschiebbar ist, daß die antriebsseitige Tragscheibe (4) mit einem Antriebszahnrad (11) über den Antriebszapfen (2) verbunden und mit diesem durch eine winkelbewegliche Kupplung verbunden ist.Sheet transport drum according to claim 2,
characterized by
that the drum body (4, 5, 6, 7) consists of two support disks (4, 5) and gripper bars (6, 7) connecting them, that the support disk (5) facing away from the drive with the shaft journal (3) via a positioning eccentric ( 12) is displaceable in the machine wall (10) in such a way that the drive-side support disc (4) is connected to a drive gear (11) via the drive pin (2) and is connected to the latter by an angularly movable coupling. Bogentransporttrommel nach Anspruch 4,
dadurch gekennzeichnet,
daß die winkelbewegliche Kupplung eine Kupplungsmembrame (13) ist, die ringförmig ausgebildet ist, die Stoßfuge zwischen Antriebszapfen (2) und Tragscheibe (4) überdeckt und mit beiden Teilen verschraubt ist, wobei die innere Umfangsfläche (26) der Tragscheibe (4) in axialer Richtung als bogenförmiges Wälzprofil ausgebildet ist.Sheet transport drum according to claim 4,
characterized by
that the angular coupling is a clutch membrane (13) which is annular, covers the butt joint between the drive pin (2) and the support plate (4) and is screwed to both parts, the inner circumferential surface (26) of the support plate (4) in the axial direction Direction is designed as an arcuate rolling profile. Bogentransporttrommel nach Anspruch 3,
dadurch gekennzeichnet,
daß der Trommelkörper (17, 18, 6, 7) aus Tragscheiben (17, 18) und diese verbindenden Greiferbalken (6, 7) besteht, daß die Tragscheibe (18) drehfest auf einem Stellexzenter (19) aufsitzt, der drehbar auf der Trommelwelle (16) aufsitzt, daß die Tragscheibe (17) direkt und drehstarr aber winkelbeweglich mit der Trommelwelle (16) verbunden ist.Sheet transport drum according to claim 3,
characterized by
that the drum body (17, 18, 6, 7) consists of support disks (17, 18) and gripper bars (6, 7) connecting them, that the support disk (18) is non-rotatably seated on a positioning eccentric (19) which is rotatable on the drum shaft (16) sits that the support disc (17) is directly and torsionally rigid but angularly connected to the drum shaft (16). Bogentransporttrommel nach Anspruch 6,
dadurch gekennzeichnet,
daß die Tragscheibe (17) an ihrer inneren Umfangsfläche (20) mit einem bogenförmigen Wälzprofil versehen ist und die Verbindung zur Trommelwelle (16) in einer Ebene durch die Achse der Trommelwelle (16) winkelbeweglich ist.Sheet transport drum according to claim 6,
characterized,
that the support disc (17) is provided on its inner peripheral surface (20) with an arcuate rolling profile and the connection to the drum shaft (16) is angularly movable in one plane through the axis of the drum shaft (16). Bogentransporttrommel nach Anspruch 1,
dadurch gekennzeichnet,
daß der Trommelkörper auf einer einstückigen Trommelwelle starr befestigt ist, daß die Trommelwelle auf der antriebsabgewandten Seite im Maschinengestell verschiebbar ist und daß zwischen Antriebszapfen und Trommelkörper in der Trommelwelle eine biegeweiche Stelle vorgesehen ist.Sheet transport drum according to claim 1,
characterized by
that the drum body is rigidly attached to a one-piece drum shaft, that the drum shaft is displaceable in the machine frame on the side facing away from the drive, and that a flexible point is provided between the drive pin and the drum body in the drum shaft.
EP91104695A 1990-04-24 1991-03-26 Sheet transport drum with a non relocatable ending in an axle box and a relocatable ending in an axle box Expired - Lifetime EP0453789B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91104695T ATE101083T1 (en) 1990-04-24 1991-03-26 SHEET TRANSPORT DRUM, WHICH AXIS IS MOVABLE AT ONE END AND IS MOVABLE IN TRANSLATION AT THE OTHER END.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012928 1990-04-24
DE4012928A DE4012928C2 (en) 1990-04-24 1990-04-24 Sheet transport drum for skew register correction

Publications (2)

Publication Number Publication Date
EP0453789A1 true EP0453789A1 (en) 1991-10-30
EP0453789B1 EP0453789B1 (en) 1994-02-02

Family

ID=6404918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104695A Expired - Lifetime EP0453789B1 (en) 1990-04-24 1991-03-26 Sheet transport drum with a non relocatable ending in an axle box and a relocatable ending in an axle box

Country Status (6)

Country Link
US (1) US5189957A (en)
EP (1) EP0453789B1 (en)
JP (1) JP2564050B2 (en)
AT (1) ATE101083T1 (en)
DE (2) DE4012928C2 (en)
ES (1) ES2050003T3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822070A1 (en) * 1996-08-02 1998-02-04 Koenig & Bauer Aktiengesellschaft Roller
EP1000738A1 (en) * 1998-11-13 2000-05-17 MAN Roland Druckmaschinen AG Device for correcting the angle deviation of a sheet fed to a printing machine
DE4407853C2 (en) * 1994-03-09 2001-11-08 Koenig & Bauer Ag Cocking drum
US6604739B2 (en) 2000-11-09 2003-08-12 Heidelberger Druckmaschinen Ag Method and device for aligning flat copies in sheet-processing machines
CN111204113A (en) * 2020-03-14 2020-05-29 渭南科赛机电设备有限责任公司 Transverse rapid register method for electronic shaft gravure printing machine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012645A2 (en) * 1992-11-25 1994-06-09 University Of Pittsburgh Of The Commonwealth System Of Higher Education cDNA CLONE FOR HUMAN INDUCIBLE NITRIC OXYDE SYNTHASE AND PROCESS FOR PREPARING SAME
DE29505822U1 (en) * 1995-04-05 1995-06-01 MAN Roland Druckmaschinen AG, 63075 Offenbach Sheet transport drum with skew register correction
JPH10129896A (en) * 1996-10-30 1998-05-19 Nec Data Terminal Ltd Skewing correcting mechanism for continuous paper
US5943955A (en) * 1997-08-29 1999-08-31 Goss Graphic Systems, Inc. Printing press having cantilevered self-driven cylinders
DE10151490B4 (en) * 2001-10-18 2017-04-13 Heidelberger Druckmaschinen Ag Diagonal register for printing machines, in particular sheet-fed offset presses with coating unit
JP2011136580A (en) * 2011-03-07 2011-07-14 Universal Seikan Kk Printing apparatus for can and sleeve
JP5485206B2 (en) * 2011-03-07 2014-05-07 ユニバーサル製缶株式会社 Can printing device and sleeve

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DE3400652A1 (en) * 1984-01-11 1985-07-18 H. C. Moog GmbH Maschinen für Druck und Papier, 6220 Rüdesheim Sheet-processing printing machine
DE3704314C1 (en) * 1986-06-10 1988-01-21 Koenig & Bauer Ag Arrangement to adjust the tooth clearance between the driving gears of sheet-conveying cylinders and drums of sheet-fed rotary printing machines

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JPS61125847A (en) * 1984-11-22 1986-06-13 Hamada Insatsuki Seizosho:Kk Device to modify plate torsion in printer
JPH082638B2 (en) * 1986-03-10 1996-01-17 リョービ株式会社 Image adjustment device for sheet-fed printing press
JPH0696284B2 (en) * 1987-11-09 1994-11-30 リョービ株式会社 Sheet-fed printing machine with upside-down orientation adjustment device
DE3805143C1 (en) * 1988-02-19 1989-03-23 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

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Publication number Priority date Publication date Assignee Title
DE3400652A1 (en) * 1984-01-11 1985-07-18 H. C. Moog GmbH Maschinen für Druck und Papier, 6220 Rüdesheim Sheet-processing printing machine
DE3704314C1 (en) * 1986-06-10 1988-01-21 Koenig & Bauer Ag Arrangement to adjust the tooth clearance between the driving gears of sheet-conveying cylinders and drums of sheet-fed rotary printing machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407853C2 (en) * 1994-03-09 2001-11-08 Koenig & Bauer Ag Cocking drum
EP0822070A1 (en) * 1996-08-02 1998-02-04 Koenig & Bauer Aktiengesellschaft Roller
EP1000738A1 (en) * 1998-11-13 2000-05-17 MAN Roland Druckmaschinen AG Device for correcting the angle deviation of a sheet fed to a printing machine
DE19852361A1 (en) * 1998-11-13 2000-05-25 Roland Man Druckmasch Device for correcting the angular deviation of the sheets fed to a printing press
US6604739B2 (en) 2000-11-09 2003-08-12 Heidelberger Druckmaschinen Ag Method and device for aligning flat copies in sheet-processing machines
CN111204113A (en) * 2020-03-14 2020-05-29 渭南科赛机电设备有限责任公司 Transverse rapid register method for electronic shaft gravure printing machine

Also Published As

Publication number Publication date
DE4012928C2 (en) 1997-01-09
DE4012928A1 (en) 1991-10-31
EP0453789B1 (en) 1994-02-02
DE59100974D1 (en) 1994-03-17
ES2050003T3 (en) 1994-05-01
JPH04224952A (en) 1992-08-14
US5189957A (en) 1993-03-02
JP2564050B2 (en) 1996-12-18
ATE101083T1 (en) 1994-02-15

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