EP1433600A2 - Register adjusting device for sheet transfert drum of a sheet-fed press - Google Patents

Register adjusting device for sheet transfert drum of a sheet-fed press Download PDF

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Publication number
EP1433600A2
EP1433600A2 EP03026099A EP03026099A EP1433600A2 EP 1433600 A2 EP1433600 A2 EP 1433600A2 EP 03026099 A EP03026099 A EP 03026099A EP 03026099 A EP03026099 A EP 03026099A EP 1433600 A2 EP1433600 A2 EP 1433600A2
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EP
European Patent Office
Prior art keywords
sheet
base body
drum base
drum
format
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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.)
Granted
Application number
EP03026099A
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German (de)
French (fr)
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EP1433600B1 (en
EP1433600A3 (en
Inventor
Arndt Jentzsch
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP1433600A2 publication Critical patent/EP1433600A2/en
Publication of EP1433600A3 publication Critical patent/EP1433600A3/en
Application granted granted Critical
Publication of EP1433600B1 publication Critical patent/EP1433600B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F21/00Devices for conveying sheets through printing apparatus or machines
    • B41F21/10Combinations of transfer drums and grippers
    • B41F21/106Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a device for format adjustment on sheet-guiding drums sheet printing machines according to the preamble of patent claim 1.
  • turning devices For the production of sheets printed on both sides in printing machines in just one operation turning devices are used. These take the respective bow after it is in the printing units upstream of the turning device on a Was printed on its rear edge and passed this rear edge to one of the Subsequent printing unit, the trailing edge to the leading edge becomes. The reverse side is followed by printing on the other side of the sheet.
  • Three-drum turning devices consist of three sheet guide cylinders, the first of which is viewed in the direction of sheet travel as a transfer drum with a single-large diameter, the middle as a storage drum with a double-large diameter and the third as a reversing drum with a single-large diameter.
  • Such a turning device enables the sheet to be turned according to the principle of the trailing edge of the sheet and thus the optional application of a face print or a perfecting print on the sheet.
  • the storage drum of such a turning device has sheet holding systems for the front area and the rear area of the sheet.
  • the storage drum When changing the operating mode from face printing to face and reverse printing and vice versa or when processing sheets of a different sheet length in face printing or face and reverse printing, the storage drum must be changed. To adjust the sheet holding systems to the processing of sheets of different lengths, it is necessary to adjust the sheet holding systems for the front and rear area of the sheets relative to each other, so that the sheet can be guided at the beginning and at the end in straight and perfect printing.
  • the bow support system for the front area of the bow which is designed as a clamp gripper, is fixedly arranged on the body of the storage drum.
  • the sheet holding system working with suction air for the rear area of the Arch is arranged on a support element which is assigned to the storage drum.
  • the support element and thus those on the support element are arranged Suction cup by means of an adjusting shaft, which is mounted eccentrically in the bearing journal of the drum shaft is adjustable.
  • Actuating shaft is a motor for actuating the actuating shaft and at the other end a pinion arranged on the control shaft.
  • the pinion engages in a toothed segment that also the support element is connected. It is necessary to use the sheet retention systems in the circumferential direction to adjust the storage drum relative to each other, the motor Adjusted shaft rotated, the pinion and the toothed segment on the support element acts. With the support element, the suction cups are adjusted relative to the clamping gripper.
  • DE-PS 24 60 503 A1 discloses an adjusting device with an adjusting shaft, which Transmits drive motion for format setting. This is regarding the storage drum axially displaceable between a rest position and a switching position. In the switching position, the control shaft is above the pinion and a shaft with the as Suction bar-trained bow support system for the rear area of the bow in Active connection, its position relative to the bow support system for the front area can be adjusted by turning the adjusting shaft.
  • a disadvantage of such devices is the large number of parts. To display the achieved Format setting requires additional funds. In particular, the The value of the format setting reached cannot be queried while the machine is running. In addition, the machine must be stopped to adjust the format.
  • the invention has for its object a device for format adjustment To create storage drums in turning devices of sheet-fed printing presses when the machine is running with little parts required, the setting of the sheet holding systems to the format length.
  • the object is achieved by the teaching of claim 1 by transferring an actuating movement an axially displaceably mounted on the drum base Actuator that has a soul that is at least partially in contact with the Drum body connected sleeve is guided, directly or via transmission links is operatively connected to the carrier body, such that by moving the actuating element of the carrier body is rotatable.
  • the device according to the invention has the advantage that with it the format adjustment the sheet-guiding drum in a simple manner by moving the actuating element can be brought about, for which the machine cannot be stopped got to.
  • the format adjustment is carried out with a minimum of components, which also are easy to manufacture or are offered as standardized components.
  • the case and the axially displaceably guided soul are components of one Bowden cable that is easy to assemble due to its flexibility.
  • a coaxial to the actuator Drum base body provided plunger provided on the end face protruding beyond this. Based on the position of the plunger, it can be advantageously located outside the frame wall the location of the bow support systems for the front and rear area and thus also recognize the format setting achieved.
  • one end of the soul extends approximately axially to the plunger and the other end approximately in the secant direction to the drum body, whereby the friction between the shell and the soul carried within it is reduced becomes.
  • a rotating outside of the frame wall Electric motor with screw jack, linear motor or pneumatic cylinder trained drive can be provided with which a linear actuation movement can be generated and the via an intermediate rotary decoupler on the actuator acts.
  • a sensor is provided with which the format adjustment achieved can be checked is.
  • the turning device 1 is arranged between two printing units of a sheet-fed printing press, each of which comprises a printing cylinder 2.2 'and a rubber cylinder 3.3'.
  • the turning device 1 consists, viewed in the direction indicated by an arrow, of the transfer drum 4 with a single-large diameter, the storage drum 5 with a double-large diameter and the turning drum 6 with a single-large diameter.
  • the storage drum 5 is equipped with two sheet holding systems 8, 9 for the front and the rear area of the sheet 7.
  • the sheet holding systems 8, 9 for the front area are designed as a gripper system and for the rear area as a suction system.
  • the gripper system and suction system are mutually adjustable in the circumferential direction so that the sheets 7 can be held on the storage drum 5 from the maximum to the minimum format in the front and rear area.
  • the pressure cylinders 2, 2 ' have a double-large diameter, but can also be designed with a single-large diameter.
  • the gripper and suction systems are diametrically opposite each other in the storage drum 5.
  • FIG. 2 The detailed structure of the arranged between the frame walls 10 of the printing press Storage drum 5 is shown in FIG. 2.
  • the storage drum 5 comprises a drum base body 11, on which the sheet holding system 8 for the front area and front sheet support segments 13 are arranged, and a carrier body 19, which carries the sheet holding system 9 for the rear area and rear sheet support segments 14. Viewed in the axial direction, the front and rear arch support segments 13, 14 are arranged alternately, so that when the support body 19 is rotated relative to the drum base body 11 they slide into one another in a rake-like manner and form the lateral surface of the storage drum 5 on which the sheets 7 are guided.
  • the basic drum body 11 comprises a hollow cylindrical shaft with a hollow cylindrical bearing journal 18, which is rotatably mounted in the frame walls 10 and passes through them. Radial bearings 17 for mounting the carrier body 19 are arranged on the hollow cylindrical shaft.
  • One of the bearing journals 18 carries a drive gear 16 which drives the drum main body 11 and thus the storage drum 5.
  • a sleeve 28 is inserted into the bearing journals 18 and is used for the coaxial mounting of an actuating element designed as a plunger 15 so as to be displaceable relative to the central longitudinal axis of the drum main body 11.
  • an anti-rotation device 27 acting on the tappet 15 and a flange are formed which is supported on the end face on the bearing journal 18 and is screwed to the latter.
  • the plunger 15 is connected to one end of a core 20, which is guided axially displaceably in a sleeve 21 fixed at both ends with respect to the drum base body 11.
  • Core 20 and sleeve 21 can absorb tensile and shear forces in the direction of their longitudinal axis and are designed to be flexurally elastic transversely to their longitudinal axis. Together they form a kind of Bowden cable.
  • the inner circumferential surface of the sleeve 21 can be provided with a friction-reducing coating. It is also possible to reduce the prevailing friction by inserting balls and thus to form a flex ball train.
  • a wire, a wire cable or another body which is sufficiently tensile and pressure-resistant in its longitudinal direction is used as the core 20.
  • the core 20 is connected at its other end to a rack 24 which is displaceably mounted on the drum base body 11 and which meshes with a pinion 22 which is fixedly connected to a roller lever 23 and is rotatably mounted on the drum base body 11.
  • the role of the roller lever 23 engages in a fork-shaped driver 29 formed on the carrier body 19.
  • a spring 12 or a spring system is provided between the carrier body 19 and the drum base body 11, which braces both bodies against one another to compensate for play.
  • the spring 12 or spring system are preferably designed such that they support the movement of the carrier body 19 into one of its two end positions and thereby indirectly apply a tensile force to the core 20. which, viewed from the plunger 15, is directed into the interior of the drum base body 11.
  • a drive 25 in the form of a Linear motor, pneumatic cylinder or one connected to a screw jack Electric motor arranged with which a linear actuation movement can be generated.
  • a rotary decoupler 31 is provided, which consists of two together via a common housing connected axial bearings 26.
  • a Arranged sensor in the area of the plunger 15 there is also a Arranged sensor, not shown, with which the position of the same and thus the format adjustment the sheet holding systems 8, 9 can be detected.
  • the plunger 15 is driven by the drive 25, in the sleeve 28 inserted into the drum body 11 along the Central longitudinal axis of the drum body 11 shifted.
  • This movement transmits over the guided in the fixed shell 21 soul 20 on the rack 24, the the pinion 22 and thus the roller lever 23 engaging the driver 29 into one Pivotal movement offset from which a rotation of the support body 19 opposite the drum base 11 results.
  • the invention was described using the example of a storage drum. However, it is also on sheet-guiding drums in pure face printing machines can be used for guiding the sheet 7 in the rear area, especially if the Drums are double-sized.

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  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The format setting device has an operating element which is connected with the carrier body directly or via the transmission members to the bearer body (19) via a core (20) which can move in a sleeve (21) connected to the base body (11) of the drum, so that the carrier body is turned by the displacement of the bearer body.

Description

Die Erfindung betrifft eine Einrichtung zur Formatverstellung an bogenführenden Trommeln von Bogendruckmaschinen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for format adjustment on sheet-guiding drums sheet printing machines according to the preamble of patent claim 1.

Zur Herstellung von beidseitig bedruckten Bogen in Druckmaschinen in nur einem Arbeitsgang werden Wendeeinrichtungen eingesetzt. Diese ergreifen den jeweiligen Bogen nachdem er in den der Wendeeinrichtung vorgeordneten Druckwerken auf einer Seite bedruckt wurde an seiner Hinterkante und übergeben diese Hinterkante an ein der Wendeeinrichtung nachgeordnetes Druckwerk, wobei die Hinterkante zur Vorderkante wird. An den Wendegang schließt sich das Bedrucken der anderen Bogenseite an.For the production of sheets printed on both sides in printing machines in just one operation turning devices are used. These take the respective bow after it is in the printing units upstream of the turning device on a Was printed on its rear edge and passed this rear edge to one of the Subsequent printing unit, the trailing edge to the leading edge becomes. The reverse side is followed by printing on the other side of the sheet.

Die Mehrheit der bekannten Wendeeinrichtungen lassen sich, abgeleitet von ihrem grundsätzlichen Aufbau in Eintrommel- oder Dreitrommel-Wendeeinrichtungen einteilen. Dreitrommel-Wendeeinrichtungen bestehen aus drei Bogenführungszylindern, von denen der in Bogenlaufrichtung betrachtete erste als Übergabetrommel mit einfachgroßem Durchmesser, der mittlere als Speichertrommel mit doppeltgroßem Durchmesser und der dritte als Wendetrommel mit einfachgroßem Durchmesser ausgebildet ist.
Eine derartige Wendeeinrichtung ermöglicht die Wendung des Bogens nach dem Prinzip der Bogenhinterkantenwendung und damit die wahlweise Aufbringung eines Schöndruckes oder eines Schön- und Widerdruckes auf den Bogen.
Die Speichertrommel einer solchen Wendeeinrichtung weist jeweils Bogenhaltesysteme für den vorderen Bereich und hinteren Bereich des Bogens auf. Bei Betriebsarten-Umstellung von Schöndruck auf Schön- und Widerdruck und umgekehrt bzw. bei der Verarbeitung von Bogen einer anderen Bogenlänge im Schöndruck oder im Schön- und Widerdruck sind an der Speichertrommel Umstellhandlungen durchzuführen. Zur Einstellung der Bogenhaltesysteme auf die Verarbeitung von Bogen unterschiedlicher Länge ist es notwendig, die Bogenhaltesysteme für den vorderen und hinteren Bereich der Bogen relativ zueinander zu verstellen, damit der Bogen im Schöndruck und im Schönund Widerdruck am Anfang und am Ende geführt werden kann.
The majority of the known turning devices can be divided into single-drum or three-drum turning devices, based on their basic structure. Three-drum turning devices consist of three sheet guide cylinders, the first of which is viewed in the direction of sheet travel as a transfer drum with a single-large diameter, the middle as a storage drum with a double-large diameter and the third as a reversing drum with a single-large diameter.
Such a turning device enables the sheet to be turned according to the principle of the trailing edge of the sheet and thus the optional application of a face print or a perfecting print on the sheet.
The storage drum of such a turning device has sheet holding systems for the front area and the rear area of the sheet. When changing the operating mode from face printing to face and reverse printing and vice versa or when processing sheets of a different sheet length in face printing or face and reverse printing, the storage drum must be changed. To adjust the sheet holding systems to the processing of sheets of different lengths, it is necessary to adjust the sheet holding systems for the front and rear area of the sheets relative to each other, so that the sheet can be guided at the beginning and at the end in straight and perfect printing.

Aus der Druckschrift DE 39 11 630 C2 ist eine Vorrichtung zur Formatverstellung an einer Speichertrommel bekannt. Das Bogenhaltesystem für den vorderen Bereich des Bogens, das als Klemmgreifer ausgebildet ist, ist fest am Körper der Speichertrommel angeordnet. Das mit Saugluft arbeitende Bogenhaltesystem für den hinteren Bereich des Bogens ist auf einem Tragelement angeordnet, das der Speichertrommel zugeordnet ist. In Umfangsrichtung sind das Tragelement und damit die am Tragelement angeordneten Sauger mittels einer Stellwelle, die im Lagerzapfen der Trommelwelle exzentrisch gelagert ist, verstellbar. An dem außerhalb des Maschinengestells gelegenen Ende der Stellwelle ist ein der Betätigung der Stellwelle dienender Motor und am anderen Ende der Stellwelle ein Ritzel angeordnet. Das Ritzel greift in ein Zahnsegment ein, das mit dem Tragelement verbunden ist. Ist es erforderlich, die Bogenhaltesysteme in Umfangsrichtung der Speichertrommel relativ zueinander zu verstellen, wird über den Motor die Stellwelle verdreht, die über das Ritzel und das Zahnsegment auf das Tragelement wirkt. Mit dem Tragelement werden die Sauger relativ zum Klemmgreifer verstellt.From the document DE 39 11 630 C2 is a device for format adjustment on one Storage drum known. The bow support system for the front area of the bow, which is designed as a clamp gripper, is fixedly arranged on the body of the storage drum. The sheet holding system working with suction air for the rear area of the Arch is arranged on a support element which is assigned to the storage drum. In the circumferential direction, the support element and thus those on the support element are arranged Suction cup by means of an adjusting shaft, which is mounted eccentrically in the bearing journal of the drum shaft is adjustable. At the end of the outside of the machine frame Actuating shaft is a motor for actuating the actuating shaft and at the other end a pinion arranged on the control shaft. The pinion engages in a toothed segment that also the support element is connected. It is necessary to use the sheet retention systems in the circumferential direction to adjust the storage drum relative to each other, the motor Adjusted shaft rotated, the pinion and the toothed segment on the support element acts. With the support element, the suction cups are adjusted relative to the clamping gripper.

Die DE-PS 24 60 503 A1 offenbart eine Verstelleinrichtung mit einer Stellwelle, die die Antriebsbewegung für die Formateinstellung überträgt. Diese ist bezüglich der Speichertrommel axial verschiebbar zwischen einer Ruhestellung und einer Schaltposition gelagert. In der Schaltposition steht die Stellwelle über Stellritzel und eine Welle mit dem als Saugleiste ausgebildeten Bogenhaltesystem für den hinteren Bereich des Bogens in Wirkverbindung, dessen Lage relativ zu dem Bogenhaltesystem für den vorderen Bereich durch Verdrehen der Stellwelle einstellbar ist.DE-PS 24 60 503 A1 discloses an adjusting device with an adjusting shaft, which Transmits drive motion for format setting. This is regarding the storage drum axially displaceable between a rest position and a switching position. In the switching position, the control shaft is above the pinion and a shaft with the as Suction bar-trained bow support system for the rear area of the bow in Active connection, its position relative to the bow support system for the front area can be adjusted by turning the adjusting shaft.

Nachteilig an derartigen Vorrichtungen ist der große Teileaufwand. Zur Anzeige der erreichten Formateinstellung sind zusätzliche Mittel erforderlich. Insbesondere kann der Wert der erreichten Formateinstellung nicht bei laufender Maschine abgefragt werden. Zudem muss die Maschine zum Verstellen des Formates angehalten werden.A disadvantage of such devices is the large number of parts. To display the achieved Format setting requires additional funds. In particular, the The value of the format setting reached cannot be queried while the machine is running. In addition, the machine must be stopped to adjust the format.

Der Erfindung liegt die Aufgabe zugrunde, eine Einrichtung zur Formatverstellung an Speichertrommeln in Wendeeinrichtungen von Bogendruckmaschinen zu schaffen, die bei laufender Maschine mit geringem Teileaufwand die Einstellung der Bogenhaltesysteme auf die Formatlänge ermöglicht.The invention has for its object a device for format adjustment To create storage drums in turning devices of sheet-fed printing presses when the machine is running with little parts required, the setting of the sheet holding systems to the format length.

Die Aufgabe wird durch die Lehre von Patentanspruch 1 gelöst, indem zur Übertragung einer Betätigungsbewegung ein axial verschiebbar am Tommelgrundkörper gelagertes Betätigungselement, das über eine Seele, die in einer zumindest teilweise mit dem Trommelgrundkörper verbundenen Hülle verschiebbar geführt ist, direkt oder über Übertragungslieder mit dem Trägerkörper wirkverbunden ist, derart, dass durch Verschieben des Betätigungselements der Trägerkörper verdrehbar ist. The object is achieved by the teaching of claim 1 by transferring an actuating movement an axially displaceably mounted on the drum base Actuator that has a soul that is at least partially in contact with the Drum body connected sleeve is guided, directly or via transmission links is operatively connected to the carrier body, such that by moving the actuating element of the carrier body is rotatable.

Die erfindungsgemäße Einrichtung hat den Vorteil, dass mit ihr die Formatverstellung der bogenführenden Trommel in einfacher Weise durch ein Verschieben des Betätigungselements bewirkt werden kann, wozu die Maschine nicht angehalten werden muss. Die Formatverstellung wird mit einem Minimum an Bauteilen realisiert, die zudem leicht zu fertigen sind bzw. als standardisierte Bauteile angeboten werden. Im einfachsten Fall sind die Hülle und die in ihr axial verschiebbar geführte Seele Bestandteile eines Bowdenzuges, der auf Grund seiner Flexibilität leicht zu montieren ist.The device according to the invention has the advantage that with it the format adjustment the sheet-guiding drum in a simple manner by moving the actuating element can be brought about, for which the machine cannot be stopped got to. The format adjustment is carried out with a minimum of components, which also are easy to manufacture or are offered as standardized components. In the simplest The case and the axially displaceably guided soul are components of one Bowden cable that is easy to assemble due to its flexibility.

Gemäß einer Weiterbildung der Erfindung ist als Betätigungselement ein koaxial zum Trommelgrundkörper gelagerter, stirnseitig über diesen hinausragender Stößel vorgesehen. Anhand der Lage des Stößels lässt sich in vorteilhafter Weise außerhalb der Gestellwand die Lage der Bogenhaltesysteme für den vorderen und den hinteren Bereich und damit auch die erreichte Formateinstellung erkennen.According to a development of the invention, a coaxial to the actuator Drum base body provided plunger provided on the end face protruding beyond this. Based on the position of the plunger, it can be advantageously located outside the frame wall the location of the bow support systems for the front and rear area and thus also recognize the format setting achieved.

Nach einer anderen Weiterbildung erstreckt sich ein Ende der Seele annähernd axial zum Stößel und das andere Ende annähernd in Sekantenrichtung zum Trommelgrundkörper, wodurch die Reibung zwischen der Hülle und der in ihr geführten Seele vermindert wird.According to another development, one end of the soul extends approximately axially to the plunger and the other end approximately in the secant direction to the drum body, whereby the friction between the shell and the soul carried within it is reduced becomes.

Nach einer anderen den Erfindungsgedanken verwirklichenden Weiterbildung wirkt das dem Trägerkörper zugewandte Ende der Seele mit einer Zahnstange zusammen, die verschiebbar am Trommelgrundkörper gelagert ist und mit einem verdrehfest mit einem Rollenhebel verbundenen Ritzel kämmt, der mit einem am Trägerkörper ausgebildeten Mitnehmer zusammenwirkt. Damit ist ein verhältnismäßig großer Formatverstellbereich bzw. Verstellwinkel des Trägerkörpers gegenüber dem Trommelgrundkörper auch bei verhältnismäßig kurzem Verschiebeweg des Betätigungselements realisierbar.According to another further development that realizes the idea of the invention, this works end of the soul facing the carrier body together with a toothed rack which is slidably mounted on the drum base body and with a non-rotatable with a Combined pinion combing pinion, which is formed with a on the carrier body Driver cooperates. This is a relatively large format adjustment range or adjustment angle of the support body with respect to the drum base body also at relatively short displacement path of the actuating element can be realized.

Zur Automatisierung der Formatverstellung kann außerhalb der Gestellwand ein als rotierender Elektromotor mit Spindelhubgetriebe, Linearmotor oder Pneumatikzylinder ausgebildeter Antrieb vorgesehen sein, mit dem eine geradlinige Betätigungsbewegung erzeugbar ist und der über einen zwischengeschalteten Drehentkoppler auf das Betätigungselement einwirkt. Zur Abfrage der Lage des Trägerkörpers relativ zum Trommelgrundkörper ist ein Sensor vorgesehen, mit dem die erreichte Formatverstellung überprüfbar ist. To automate the format adjustment, a rotating outside of the frame wall Electric motor with screw jack, linear motor or pneumatic cylinder trained drive can be provided with which a linear actuation movement can be generated and the via an intermediate rotary decoupler on the actuator acts. To query the position of the carrier body relative to the drum base body a sensor is provided with which the format adjustment achieved can be checked is.

Nachfolgend soll die Erfindung am Beispiel einer bogenführenden Trommel näher beschrieben werden, die als Speichertrommel einer Drei-Trommel-Wendeeinrichtung ausgebildet ist.The invention will be described in more detail below using the example of a sheet-guiding drum are formed as a storage drum of a three-drum turning device is.

In den dazugehörenden Zeichnungen zeigt:

Fig. 1
die Wendeeinrichtung in schematischer Darstellung in Seitenansicht,
Fig. 2
die Speichertrommel in detaillierter Darstellung als Längsschnitt und
Fig. 3
die Speichertrommel in schematisierter Darstellung als Seitenansicht.
In the accompanying drawings:
Fig. 1
the turning device in a schematic representation in side view,
Fig. 2
the storage drum in a detailed representation as a longitudinal section and
Fig. 3
the storage drum in a schematic representation as a side view.

Wie in Fig. 1. dargestellt, ist die Wendeeinrichtung 1 zwischen zwei Druckwerken einer Bogendruckmaschine angeordnet, die je einen Druckzylinder 2,2' und einen Gummizylinder 3,3' umfassen. Die Wendeeinrichtung 1 besteht, betrachtet in der mit einem Pfeil angedeuteten Bogenlaufrichtung, aus der Übergabetrommel 4 mit einfach-großem Durchmesser, der Speichertrommel 5 mit doppelt-großem Durchmesser und der Wendetrommel 6 mit einfach-großem Durchmesser. Die Speichertrommel 5 ist mit je zwei Bogenhaltesystemen 8, 9 für den vorderen und den hinteren Bereich der Bogen 7 ausgestattet.
Die Bogenhaltesysteme 8, 9 für den vorderen Bereich sind als Greifersystem und für den hinteren Bereich als Saugersystem ausgebildet. Greifersystem und Saugersystem sind in Umfangsrichtung zueinander verstellbar, so dass die Bogen 7 vom maximalen bis zum minimalen Format im vorderen und hinteren Bereich auf der Speichertrommel 5 gehalten werden können. Die Druckzylinder 2,2' weisen einen doppelt-großen Durchmesser auf, können aber auch mit einfach-großem Durchmesser ausgeführt sein. Die Greifer- und Saugersysteme liegen sich in der Speichertrommel 5 jeweils diametral gegenüber.
As shown in FIG. 1, the turning device 1 is arranged between two printing units of a sheet-fed printing press, each of which comprises a printing cylinder 2.2 'and a rubber cylinder 3.3'. The turning device 1 consists, viewed in the direction indicated by an arrow, of the transfer drum 4 with a single-large diameter, the storage drum 5 with a double-large diameter and the turning drum 6 with a single-large diameter. The storage drum 5 is equipped with two sheet holding systems 8, 9 for the front and the rear area of the sheet 7.
The sheet holding systems 8, 9 for the front area are designed as a gripper system and for the rear area as a suction system. The gripper system and suction system are mutually adjustable in the circumferential direction so that the sheets 7 can be held on the storage drum 5 from the maximum to the minimum format in the front and rear area. The pressure cylinders 2, 2 'have a double-large diameter, but can also be designed with a single-large diameter. The gripper and suction systems are diametrically opposite each other in the storage drum 5.

Den detaillierten Aufbau der zwischen den Gestellwänden 10 der Druckmaschine angeordneten Speichertrommel 5 zeigt Fig. 2.The detailed structure of the arranged between the frame walls 10 of the printing press Storage drum 5 is shown in FIG. 2.

Die Speichertrommel 5 umfasst einen Trommelgrundkörper 11, an dem das Bogenhaltesystem 8 für den vorderen Bereich und vordere Bogenstützsegmente 13 angeordnet sind, und einen Trägerkörper 19, der das Bogenhaltesystem 9 für den hinteren Bereich und hintere Bogenstützsegmente 14 trägt. In axialer Richtung betrachtet, sind die vorderen und hinteren Bogenstützsegmente 13, 14 abwechselnd angeordnet, so dass sie sich bei Verdrehung des Trägerkörpers 19 zum Trommelgrundkörper 11 rechenartig ineinanderschieben und die Mantelfläche der Speichertrommel 5 bilden, auf der die Bogen 7 geführt werden.
Der Trommelgrundkörper 11 umfasst eine hohlzylindrische Welle mit hohlzylindrischen Lagerzapfen 18, die drehbar in den Gestellwänden 10 gelagert ist und diese durchgreift. Auf der hohlzylindrischen Welle sind Radiallager 17 zur Lagerung des Trägerkörpers 19 angeordnet. Einer der Lagerzapfen 18 trägt ein den Trommelgrundkörper 11 und damit die Speichertrommel 5 antreibendes Antriebszahnrad 16. In den Lagerzapfen 18 ist eine Hülse 28 eingeschoben, die der koaxialen Lagerung eines als Stößel 15 ausgebildeten Betätigungselement verschiebbar zur Mittellängsachse des Trommelgrundkörpers 11 dient. An der Hülse 28 sind eine auf den Stößel 15 wirkende Verdrehsicherung 27 und ein Flansch ausgebildet, der sich stirnseitig am Lagerzapfen 18 abstützt und mit diesem verschraubt ist.
Der Stößel 15 ist mit einem Ende einer Seele 20 verbunden, die in einer an beiden Enden gegenüber dem Trommelgrundkörper 11 fixierten Hülle 21 axial verschiebbar geführt ist. Zur Fixierung der Hülle 21 sind an dieser Gewinde ausgebildet, die in komplementäre Gewinde am Trommelgrundkörper 11 einschraubbar sind. Seele 20 und Hülle 21 können in Richtung ihrer Längsachse Zug- und Schubkräfte aufnehmen und sind quer zu ihrer Längsachse biegeelastisch ausgeführt. Sie bilden gemeinsam eine Art Bowdenzug. Zur Verminderung der Reibung kann die innere Mantelfläche der Hülle 21 mit einem reibungsmindernden Überzug versehen sein. Ebenso ist es möglich, die herrschende Reibung durch Einlage von Kugeln zu vermindern und somit einen Flexballzug auszubilden. Als Seele 20 findet ein Draht, ein Drahtkabel oder ein anderer in seiner Längsrichtung ausreichend zug- und druckfester Körper Verwendung.
Die Seele 20 ist an ihrem anderen Ende mit einer verschiebbar am Trommelgrundkörper 11 gelagerten Zahnstange 24 verbunden, die mit einem fest mit einem Rollenhebel 23 verbundenen, drehbar am Trommelgrundkörper 11 gelagerten Ritzel 22 kämmt. Die Rolle des Rollenhebels 23 greift in einen gabelförmigen am Trägerkörper 19 ausgebildeten Mitnehmer 29 ein. Zwischen Trägerkörper 19 und Trommelgrundkörper 11 ist eine Feder 12 oder ein Federsystem vorgesehen, das beide Körper zur Spielkompensation gegeneinander verspannt. Feder 12 bzw. Federsystem sind bevorzugt so ausgebildet, dass sie die Bewegung des Trägerkörpers 19 in eine seiner beiden Endlagen unterstützen und dabei Seele 20 indirekt mit einer Zugkraft beaufschlagen. die vom Stößel 15 aus betrachtet in das Innere des Trommelgrundkörpers 11 gerichtet ist.
The storage drum 5 comprises a drum base body 11, on which the sheet holding system 8 for the front area and front sheet support segments 13 are arranged, and a carrier body 19, which carries the sheet holding system 9 for the rear area and rear sheet support segments 14. Viewed in the axial direction, the front and rear arch support segments 13, 14 are arranged alternately, so that when the support body 19 is rotated relative to the drum base body 11 they slide into one another in a rake-like manner and form the lateral surface of the storage drum 5 on which the sheets 7 are guided.
The basic drum body 11 comprises a hollow cylindrical shaft with a hollow cylindrical bearing journal 18, which is rotatably mounted in the frame walls 10 and passes through them. Radial bearings 17 for mounting the carrier body 19 are arranged on the hollow cylindrical shaft. One of the bearing journals 18 carries a drive gear 16 which drives the drum main body 11 and thus the storage drum 5. A sleeve 28 is inserted into the bearing journals 18 and is used for the coaxial mounting of an actuating element designed as a plunger 15 so as to be displaceable relative to the central longitudinal axis of the drum main body 11. On the sleeve 28, an anti-rotation device 27 acting on the tappet 15 and a flange are formed which is supported on the end face on the bearing journal 18 and is screwed to the latter.
The plunger 15 is connected to one end of a core 20, which is guided axially displaceably in a sleeve 21 fixed at both ends with respect to the drum base body 11. To fix the sleeve 21, threads are formed on it, which can be screwed into complementary threads on the drum base body 11. Core 20 and sleeve 21 can absorb tensile and shear forces in the direction of their longitudinal axis and are designed to be flexurally elastic transversely to their longitudinal axis. Together they form a kind of Bowden cable. To reduce the friction, the inner circumferential surface of the sleeve 21 can be provided with a friction-reducing coating. It is also possible to reduce the prevailing friction by inserting balls and thus to form a flex ball train. A wire, a wire cable or another body which is sufficiently tensile and pressure-resistant in its longitudinal direction is used as the core 20.
The core 20 is connected at its other end to a rack 24 which is displaceably mounted on the drum base body 11 and which meshes with a pinion 22 which is fixedly connected to a roller lever 23 and is rotatably mounted on the drum base body 11. The role of the roller lever 23 engages in a fork-shaped driver 29 formed on the carrier body 19. A spring 12 or a spring system is provided between the carrier body 19 and the drum base body 11, which braces both bodies against one another to compensate for play. The spring 12 or spring system are preferably designed such that they support the movement of the carrier body 19 into one of its two end positions and thereby indirectly apply a tensile force to the core 20. which, viewed from the plunger 15, is directed into the interior of the drum base body 11.

Außerhalb der Gestellwand 10 der Bogendruckmaschine ist ein Antrieb 25 in Form eines Linearmotors, Pneumatikzylinders oder eines mit einem Spindelhubgetriebe verbundenen Elektromotors angeordnet, mit dem eine geradlinige Betätigungsbewegung erzeugbar ist. Zwischen dem gestellfest angeordneten Antrieb 25 und dem Stößel 15 ist ein Drehentkoppler 31 vorgesehen, der aus zwei über ein gemeinsames Gehäuse miteinander verbundenen Axiallagern 26 besteht. Im Bereich des Stößels 15 ist ferner ein nicht dargestellter Sensor angeordnet, mit dem die Lage desselben und damit die Formatverstellung der Bogenhaltesysteme 8, 9 detektierbar ist.Outside the frame wall 10 of the sheet-fed printing press is a drive 25 in the form of a Linear motor, pneumatic cylinder or one connected to a screw jack Electric motor arranged with which a linear actuation movement can be generated. Is between the drive 25 arranged fixed to the frame and the plunger 15 a rotary decoupler 31 is provided, which consists of two together via a common housing connected axial bearings 26. In the area of the plunger 15 there is also a Arranged sensor, not shown, with which the position of the same and thus the format adjustment the sheet holding systems 8, 9 can be detected.

Nachfolgend soll die Wirkungsweise der Erfindung beschrieben werden.The mode of operation of the invention will be described below.

Ist die Verstellung der Speichertrommel 5 erforderlich, wird der Stößel 15 von dem Antrieb 25, in der in den Trommelgrundkörper 11 eingeschobenen Hülse 28 entlang der Mittellängsachse des Trommelgrundkörpers 11 verschoben. Diese Bewegung überträgt sich über die in der feststehenden Hülle 21 geführte Seele 20 auf die Zahnstange 24, die das Ritzel 22 und damit den am Mitnehmer 29 angreifenden Rollenhebel 23 in eine Schwenkbewegung versetzt, aus der eine Verdrehung des Trägerkörpers 19 gegenüber dem Trommelgrundkörper 11 resultiert. Damit ändert sich die Lage der Bogenhaltesysteme 8, 9 für den vorderen und den hinteren Bereich und damit auch die Lage der vorderen und hinteren Bogenstützsegmente 13, 14 zueinander entsprechend dem zu verarbeitenden Bogenformat.If the adjustment of the storage drum 5 is required, the plunger 15 is driven by the drive 25, in the sleeve 28 inserted into the drum body 11 along the Central longitudinal axis of the drum body 11 shifted. This movement transmits over the guided in the fixed shell 21 soul 20 on the rack 24, the the pinion 22 and thus the roller lever 23 engaging the driver 29 into one Pivotal movement offset from which a rotation of the support body 19 opposite the drum base 11 results. This changes the position of the sheet holding systems 8, 9 for the front and rear area and thus also the position of the front and rear arch support segments 13, 14 to each other corresponding to the one to be processed Sheet size.

Im vorliegenden Fall wurde die Erfindung am Beispiel einer Speichertrommel beschrieben. Sie ist jedoch auch an bogenführenden Trommeln in reinen Schöndruckmaschinen für die Führung des Bogens 7 im hinteren Bereich einsetzbar, insbesondere wenn die Trommeln doppeltgroß ausgebildet sind. In the present case, the invention was described using the example of a storage drum. However, it is also on sheet-guiding drums in pure face printing machines can be used for guiding the sheet 7 in the rear area, especially if the Drums are double-sized.

BezugszeichenaufstellungREFERENCE NUMBERS

11
Wendeeinrichtungturning device
2,2'2,2 '
vor- und nachgelagerter Druckzylinderupstream and downstream pressure cylinders
3,3'3,3 '
Gummizylinderrubber cylinder
44
ÜbergabetrommelTransfer drum
55
Speichertrommelstorage drum
66
Wendetrommelbeater
77
Bogenarc
88th
Bogenhaltesystem für den vorderen BereichBow support system for the front area
99
Bogenhaltesystem für den hintern BereichBow support system for the rear area
1010
Gestellwandframe wall
1111
TrommelgrundkörperDrum base
1212
Federfeather
1313
vorderes Bogenstützsegmentfront arch support segment
1414
hinteres Bogenstützsegmentrear arch support segment
1515
Stößeltappet
1616
Antriebszahnraddrive gear
1717
Radiallagerradial bearings
1818
Lagerzapfenpivot
1919
Trägerkörpersupport body
2020
Seelesoul
2121
Hülleshell
2222
Ritzelpinion
2323
Rollenhebelroller lever
2424
Zahnstangerack
2525
Antriebdrive
2626
Axiallagerthrust
2727
Verdrehsicherungtwist
2828
Hülseshell
2929
Mitnehmertakeaway
3030
Radiallagerradial bearings
3131
DrehentkopplerDrehentkoppler

Claims (10)

Einrichtung zur Formatverstellung an bogenführenden Trommeln von Bogendruckmaschinen, insbesondere an Speichertrommeln in Wendeeinrichtungen, wobei Bogenhaltesysteme (8, 9) zum Erfassen des Bogens (7) im vorderen und hinteren Bereich vorgesehen und die Bogenhaltesysteme (8 oder 9) für einen der Bereiche einem Trommelgrundkörper (11) und die Bogenhaltesysteme (8 oder 9) für den anderen Bereich einem Trägerkörper (19) zugeordnet sind, der gegenüber dem Trommelgrundkörper (11) zur Verstellung der Bogenhaltesysteme (8, 9) in Umfangsrichtung verdrehbar gelagert ist, dadurch gekennzeichnet, dass ein zur Übertragung einer Betätigungsbewegung axial verschiebbar am Tommelgrundkörper (11) gelagertes Betätigungselement, das über eine Seele (20), die in einer zumindest teilweise mit dem Trommelgrundkörper (11) verbundenen Hülle (21) verschiebbar geführt ist, direkt oder über Übertragungsglieder mit dem Trägerkörper (19) wirkverbunden ist, derart, dass durch Verschieben des Betätigungselements der Trägerkörper (19) verdrehbar ist.Device for changing the format on sheet-guiding drums of sheet-fed printing machines, in particular on storage drums in turning devices, whereby sheet-holding systems (8, 9) are provided for gripping the sheet (7) in the front and rear area and the sheet-holding systems (8 or 9) for one of the areas of a drum base body ( 11) and the sheet holding systems (8 or 9) for the other area are assigned to a carrier body (19) which is rotatably mounted in the circumferential direction relative to the drum base body (11) for adjusting the sheet holding systems (8, 9), characterized in that a Transmission of an actuation movement axially displaceably on the drum base body (11) actuating element, which is guided via a core (20) which is displaceably guided in an at least partially connected to the drum base body (11) sleeve or directly or via transmission elements with the carrier body (19 ) is connected in such a way that by moving the bet actuating elements, the support body (19) is rotatable. Einrichtung zur Formatverstellung an bogenführenden Trommeln von Bogendruckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass als Betätigungselement ein koaxial zum Trommelgrundkörper (11) gelagerter, stirnseitig über diesen hinausragender Stößel (15) vorgesehen ist.Device for adjusting the format on sheet-guiding drums of sheet-fed printing machines according to claim 1, characterized in that a plunger (15) which is mounted coaxially to the drum base body (11) and protrudes on the end side beyond this is provided as the actuating element. Einrichtung zur Formatverstellung an bogenführenden Trommeln von Bogendruckmaschinen nach Anspruch 2, dadurch gekennzeichnet, dass sich ein Ende der Seele (20) annähernd axial zum Stößel (15) und das andere Ende annähernd in Sekantenrichtung zum Trommelgrundkörper (11) erstreckt.Device for format adjustment on sheet-guiding drums of sheet-fed printing machines according to claim 2, characterized in that one end of the core (20) extends approximately axially to the plunger (15) and the other end approximately in the secant direction to the drum base body (11). Einrichtung zur Formatverstellung an bogenführenden Trommeln von Bogendruckmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass das dem Trägerkörper (19) zugewandte Ende der Seele mit einer Zahnstange (24) zusammenwirkt, die mit einem Ritzel (22) kämmt, das verdrehfest mit einem Rollenhebel (23) verbunden ist, der in einen am Trägerkörper (19) ausgebildeten Mitnehmer (29) eingreift.Device for adjusting the format of sheet-guiding drums of sheet-fed printing machines according to claim 1, characterized in that the end of the core facing the carrier body (19) interacts with a toothed rack (24) which meshes with a pinion (22) which rotates with a roller lever (23 ) is connected, which engages in a carrier (29) formed on the carrier body (19). Einrichtung zur Formatverstellung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Trägerkörper (19) gegenüber dem Trommelgrundkörper (11) wälzgelagert ist. Device for format adjustment according to one of the preceding claims, characterized in that the carrier body (19) is roller-mounted relative to the drum base body (11). Einrichtung zur Formatverstellung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass außerhalb einer Gestellwand (10) der Bogendruckmaschine ein auf das Betätigungselement wirkender Antrieb (25) angeordnet ist.Device for format adjustment according to one of the preceding claims, characterized in that a drive (25) acting on the actuating element is arranged outside a frame wall (10) of the sheet-fed printing press. Einrichtung zur Formatverstellung nach Anspruch 6, dadurch gekennzeichnet, dass als Antrieb (25) ein Linearmotor oder ein Pneumatikzylinder vorgesehen ist.Device for format adjustment according to claim 6, characterized in that a linear motor or a pneumatic cylinder is provided as the drive (25). Einrichtung zur Formatverstellung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass zwischen Antrieb (25) und Betätigungselement ein Drehentkoppler (31) angeordnet ist.Device for format adjustment according to claim 6 or 7, characterized in that a rotary decoupler (31) is arranged between the drive (25) and the actuating element. Einrichtung zur Formatverstellung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein die Lage des Trägerkörpers (19) relativ zum Trommelgrundkörper (11) erfassender Sensor vorgesehen ist.Device for format adjustment according to one of the preceding claims, characterized in that a sensor is provided which detects the position of the carrier body (19) relative to the drum base body (11). Einrichtung zur Formatverstellung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine den Trägerkörper (19) gegen den Trommelgrundkörper (11) verspannende Feder (12) vorgesehen ist.Device for format adjustment according to one of the preceding claims, characterized in that a spring (12) is provided which braces the carrier body (19) against the drum base body (11).
EP20030026099 2002-12-23 2003-11-13 Register adjusting device for sheet transfert drum of a sheet-fed press Expired - Fee Related EP1433600B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10260756 2002-12-23
DE2002160756 DE10260756A1 (en) 2002-12-23 2002-12-23 Device for format adjustment on sheet-guiding drums of sheet-fed printing machines

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EP1433600A2 true EP1433600A2 (en) 2004-06-30
EP1433600A3 EP1433600A3 (en) 2004-11-17
EP1433600B1 EP1433600B1 (en) 2006-02-15

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460503A1 (en) * 1974-12-20 1976-07-01 Heidelberger Druckmasch Ag CHANGEOVER DEVICE OF A STORAGE DRUM FOR BOW TRANSFER
DE3911630A1 (en) * 1989-04-10 1990-10-11 Heidelberger Druckmasch Ag DEVICE FOR ADJUSTING THE FORMAT OF A CURVED GUIDE DRUM OF A PRINTING MACHINE

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460503A1 (en) * 1974-12-20 1976-07-01 Heidelberger Druckmasch Ag CHANGEOVER DEVICE OF A STORAGE DRUM FOR BOW TRANSFER
DE3911630A1 (en) * 1989-04-10 1990-10-11 Heidelberger Druckmasch Ag DEVICE FOR ADJUSTING THE FORMAT OF A CURVED GUIDE DRUM OF A PRINTING MACHINE

Also Published As

Publication number Publication date
DE50302414D1 (en) 2006-04-20
DE10260756A1 (en) 2004-07-08
EP1433600B1 (en) 2006-02-15
EP1433600A3 (en) 2004-11-17

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