EP0432412B1 - Sheet delivery apparatus for a sheet printing machine - Google Patents
Sheet delivery apparatus for a sheet printing machine Download PDFInfo
- Publication number
- EP0432412B1 EP0432412B1 EP90119794A EP90119794A EP0432412B1 EP 0432412 B1 EP0432412 B1 EP 0432412B1 EP 90119794 A EP90119794 A EP 90119794A EP 90119794 A EP90119794 A EP 90119794A EP 0432412 B1 EP0432412 B1 EP 0432412B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- movement
- stops
- stack
- sheets
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/32—Auxiliary devices for receiving articles during removal of a completed pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/426—Forming batches
- B65H2301/4262—Forming batches by inserting auxiliary support as defined in B65H31/32
- B65H2301/42622—Forming batches by inserting auxiliary support as defined in B65H31/32 and using auxiliary means for facilitating introduction of the auxiliary support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Definitions
- the invention relates to a sheet delivery for a sheet-fed printing press, in which fold-away stacking stops and catch fingers that can be inserted briefly are provided according to the preamble of claim 1.
- Such a sheet delivery device is known from DE-PS 23 01 840.
- the design features of this known arrangement make it possible, on the one hand, to remove a sample sheet and, on the other hand, to insert an auxiliary stacking device, for example a stacking rake or the like, in order to keep the sheet stack in the sheet delivery device in non-stop operation to be able to switch.
- the sheets are transported from the sheet printing machine by endless chain conveyors with the leading edge of the sheet against the stacking stops arranged in a collapsible manner and placed on the sheet stack.
- the catch fingers which can be inserted briefly from the front edge of the sheet up to the sheet stack and are arranged on one arm of an angle lever, the other arm of which is connected to a swivel arm via a resilient connecting member, are used to remove sample sheets and to form an auxiliary stack in non-stop operation is, which sits on the pivotable by means of a hand lever pivot shaft for the stacking stops, so that the movement of the catch fingers and the stacking stops can take place in the required dependence on each other.
- a parallel guide linkage converts the rotary movement of the swivel shaft into an insertion movement, in which the catch fingers keep their horizontal position, but move on an arc path, which impairs operational safety. With the catch fingers pushed in and, in contrast, folded away with a delay
- the invention has for its object to develop a sheet delivery of the type mentioned in such a way that with further improvement in operational reliability when taking a sample sheet or when changing stacks more precise movement sequences can be achieved with higher movement speeds and a movement of catch fingers and stack stops in different operating modes is possible .
- Stack stops can either be taken from a sample sheet or an auxiliary device can be inserted to form an auxiliary stack for the stack change in non-stop operation.
- the movement of the catching fingers is motorized by means of a pneumatic cylinder, the movement of which, however, is controlled by the hand lever operating the pivot shaft for the stacking stops via a switching element, in order in this way to relate the mutual dependency of the movements of the stacking stops and the catching fingers to reach.
- a sheet delivery with a catching device for the leading edge of the sheet is known, in which the catching fingers can be pivoted about horizontal axes via angular gears, so that a lever guide for securing the most straight-line catching finger movement parallel to the plane of the incoming sheet is omitted , but in this device, which can also be operated by means of a hand lever, the folding movement of the stacking stops begins at the same time as the swiveling movement of the catch fingers, so that there is a considerable risk of slipping of sheets when switching over, especially in high-speed machines.
- US-A-3,966,196 discloses a sheet delivery device.
- the movement of support fingers into the stack area is coupled to a pivoting movement of the stack stops directed away from the stack.
- the support fingers are lowered while the support fingers move into the stacking area.
- Coupling the movement of stacking stops and catch fingers makes it possible to take out a test sheet.
- folding the stacking stops away can lead to difficulties in building a correct auxiliary stack front edge come. This is all the more serious since these incorrectly aligned print copies are stored on a new pallet that can be moved up from below.
- the continuous delivery of the printed copies thus takes place on the top of incorrectly aligned copies, which can then no longer be corrected in their position.
- Protruding edges are easy to bend, tear or become soiled during transport within a print shop, so that they can no longer be removed by customers and are attributed to waste, even though the print quality is an.
- motorized drives separately for the stack stops and for the movement of the catch fingers enables the use of simple switching elements for the inevitably dependent control of the movements from one another and for the individual control of both movement processes. Above all, this also makes it possible for the motor drives to be arranged on one of the two machine sides of the boom, on the outside of the machine frame, as a result of which they can be accommodated in the interior of the bow arm, which is very narrow in modern machines, between the side walls of the frame not applicable.
- the motor drives each act directly on a shaft, the angular movement of which is translated by means of transmission elements to the desired extent and, in the case of the catching fingers, is converted into a linear thrust movement, so that the catching fingers can be guided exactly parallel to the plane of the sheet in the sheet stack during their movement. It is advantageous that even small angular movements of the drive shafts can be translated into relatively large actuating movements by means of suitable translation by means of the transmission elements.
- Pneumatic cylinders are particularly suitable for motor drives because they can be connected to the existing energy system.
- 1 and 2 show the two side walls of the frame of the sheet delivery of a sheet printing machine.
- the sheets arriving from the sheet printing machine are transported up to a sheet stack 3 and placed on this sheet stack.
- the incoming sheets are transported with the leading edge of the sheet up to stacking stops 4, of which several are arranged next to one another.
- the stacking stops 4 are fastened to a pivot shaft 5 arranged transversely, which is rotatably mounted in the side walls 1 and 2 of the frame, so that the stacking stops 4 can be folded away by a rotary movement of the pivot shaft 5 and folded back on again.
- the pivot shaft 5 is guided on one machine side to the outside of the side wall 2.
- the end of the pivot shaft 5 is connected by transmission members 6 to a drive shaft 7, the motor drive of which consists of a pneumatic cylinder 8 and which has an eccentric connection with respect to the shaft axis.
- a drive shaft 7 the motor drive of which consists of a pneumatic cylinder 8 and which has an eccentric connection with respect to the shaft axis.
- an eccentrically arranged rod head 9 is also effective, by means of which an intermittent abrupt movement is transmitted to the stacking stops 4.
- the pneumatic cylinder 8 acting on both sides enables the stacking stops 4 to be folded away and these stacking stops to be folded back.
- catch fingers 10 are fastened to a support 11 which extends across the stack width and is guided on guides aligned parallel to the sheet plane in the sheet stack 3 12 is guided back and forth so that the catch fingers 10 perform a precisely defined linear movement during their movement.
- the catch fingers are also driven by a drive shaft 13 which is articulated to the support 11 by articulated lever 14 and is mounted coaxially to the drive shaft 7 for the stacking stops.
- the coaxial mounting is made possible in that the one end of the drive shaft 13, directly adjacent to the one side wall 2 of the frame, is rotatably mounted in a bearing 15 formed on the end face of the drive shaft 7, while the other end of the drive shaft 13 has a bearing 16 in the opposite side wall 1.
- the end of the drive shaft 13 led out of this side wall 1 is connected on this machine side by means of transmission elements 17 to a pneumatic cylinder 18 for the motor drive of the drive shaft 13.
- the transmission member 17 is designed as a double lever, one arm of which is articulated to the pneumatic cylinder and the other arm of which is articulated to the articulated lever 14.
- Each of the two pneumatic cylinders 8 and 18 can be actuated for example via switches 20 and 21 on a switch panel 19.
- Both pneumatic cylinders 8 and 18 can also be mutually dependent on one another via a switch 22 are actuated so that the catch fingers 10 are first inserted over the stack before the stack stops 4 are folded away, in order to then remove one or more test sheets from the stack 3.
- the individual actuation of the pneumatic cylinders 8 and 18 enables the catch fingers 10 to be inserted first, for example when changing the stack in non-stop operation, and only then is the auxiliary stacking device, for example a rake, an auxiliary stacking table or the like, introduced before the Stacking stops 4 can be folded away for changing the stack 3.
- the stack stops 4 can then be folded back again before the auxiliary stack is released and the catch fingers are withdrawn.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pile Receivers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Advancing Webs (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Bogenausleger für eine Bogendruckmaschine, bei dem wegklappbare Stapelanschläge und kurzzeitig einschiebbare Fangfinger nach dem Oberbegriff des Patentanspruches 1 vorgesehen sind.The invention relates to a sheet delivery for a sheet-fed printing press, in which fold-away stacking stops and catch fingers that can be inserted briefly are provided according to the preamble of claim 1.
Bekannt ist ein solcher Bogenausleger durch die DE-PS 23 01 840. Die Ausbildungsmerkmale dieser bekannten Anordnung ermöglichen einerseits die Entnahme eines Probebogens und andererseits den Einschub einer Hilfsstapeleinrichtung, zum Beispiel eines Stapelrechens oder dergleichen, um im Non-Stop-Betrieb den Bogenstapel im Bogenausleger wechseln zu können. Bei dem bekannten Bogenausleger werden die Bogen aus der Bogendruckmaschine durch endlos umlaufende Kettenförderer mit der Bogenvorderkante gegen die wegklappbar angeordneten Stapelanschläge transportiert und auf den Bogenstapel abgelegt. Zur Entnahme von Probebogen und zur Bildung eines Hilfsstapels im Non-Stop-Betrieb dienen die kurzzeitig von der Bogenvorderkante her bis über den Bogenstapel einschiebbaren Fangfinger, die an dem einen Arm eines Winkelhebels angeordnet sind, dessen anderer Arm über ein federndes Verbindungsglied mit einem Schwenkarm verbunden ist, der auf der mittels eines Handhebels schwenkbaren Schwenkwelle für die Stapelanschläge sitzt, so daß die Bewegung der Fangfinger und der Stapelanschläge in der erforderlichen Abhängigkeit voneinander erfolgen kann. Ein Parallelführungsgestänge wandelt die Drehbewegung der Schwenkwelle in eine Einschubbewegung um, bei der die Fangfinger zwar ihre horizontale Lage beibehalten, sich jedoch auf einer Bogenbahn bewegen, wodurch die Betriebssicherheit beeinträchtigt wird. Bei eingeschobenen Fangfingern und demgegenüber mit Verzögerung weggeklapptenSuch a sheet delivery device is known from DE-PS 23 01 840. The design features of this known arrangement make it possible, on the one hand, to remove a sample sheet and, on the other hand, to insert an auxiliary stacking device, for example a stacking rake or the like, in order to keep the sheet stack in the sheet delivery device in non-stop operation to be able to switch. In the known sheet delivery, the sheets are transported from the sheet printing machine by endless chain conveyors with the leading edge of the sheet against the stacking stops arranged in a collapsible manner and placed on the sheet stack. The catch fingers, which can be inserted briefly from the front edge of the sheet up to the sheet stack and are arranged on one arm of an angle lever, the other arm of which is connected to a swivel arm via a resilient connecting member, are used to remove sample sheets and to form an auxiliary stack in non-stop operation is, which sits on the pivotable by means of a hand lever pivot shaft for the stacking stops, so that the movement of the catch fingers and the stacking stops can take place in the required dependence on each other. A parallel guide linkage converts the rotary movement of the swivel shaft into an insertion movement, in which the catch fingers keep their horizontal position, but move on an arc path, which impairs operational safety. With the catch fingers pushed in and, in contrast, folded away with a delay
Der Erfindung liegt die Aufgabe zugrunde, einen Bogenausleger der eingangs genannten Gattung in der Weise weiterzubilden, daß unter Weiterer Verbesserung der Betriebssicherheit bei der Probebogenentnahme bzw. beim Stapelwechsel exaktere Bewegungsabläufe mit höheren Bewegungsgeschwindigkeiten erreicht werden und eine Bewegung von Fangfingern und Stapelanschlägen in unterschiedlichen Betriebsmodi möglich ist.The invention has for its object to develop a sheet delivery of the type mentioned in such a way that with further improvement in operational reliability when taking a sample sheet or when changing stacks more precise movement sequences can be achieved with higher movement speeds and a movement of catch fingers and stack stops in different operating modes is possible .
Stapelanschlägen kann entweder ein Probebogen vom Stapel entnommen oder eine Hilfsvorrichtung zur Bildung eines Hilfsstapels für den Stapelwechsel im Non-Stop-Betrieb eingeschoben werden.Stack stops can either be taken from a sample sheet or an auxiliary device can be inserted to form an auxiliary stack for the stack change in non-stop operation.
Bei einer besonderen Ausbildung dieser bekannten Vorrichtung erfolgt die Bewegung der Fangfinger motorisch mittels eines Pneumatikzylinders, dessen Bewegung jedoch durch den die Schwenkwelle für die Stapelanschläge bedienenden Handhebel über ein Schaltelement gesteuert wird, um auf diese Weise wieder die gegenseitige Abhängigkeit der Bewegungen der Stapelanschläge und der Fangfinger zu erreichen.In a special embodiment of this known device, the movement of the catching fingers is motorized by means of a pneumatic cylinder, the movement of which, however, is controlled by the hand lever operating the pivot shaft for the stacking stops via a switching element, in order in this way to relate the mutual dependency of the movements of the stacking stops and the catching fingers to reach.
Aus der DE-PS 17 61 449 ist ein Bogenausleger mit einer Fangvorrichtung für die Bogenvorderkante bekannt, bei dem die Fangfinger über Winkelgetriebe um horizontale Achsen schwenkbar sind, so daß zwar eine Hebelführung für die Sicherung der möglichst gradlinigen Fangfingerbewegung parallel zur Ebene der ankommenden Bogen entfällt, aber bei dieser ebenfalls mittels eines Handhebels bedienbaren Vorrichtung beginnt die Klappbewegung der Stapelanschläge gleichzeitig mit der Schwenkbewegung der Fangfinger, so daß vor allem bei schnellaufenden Maschinen eine erhebliche Gefahr für das Durchrutschen von Bogen bei der Umschaltung besteht.From DE-PS 17 61 449 a sheet delivery with a catching device for the leading edge of the sheet is known, in which the catching fingers can be pivoted about horizontal axes via angular gears, so that a lever guide for securing the most straight-line catching finger movement parallel to the plane of the incoming sheet is omitted , but in this device, which can also be operated by means of a hand lever, the folding movement of the stacking stops begins at the same time as the swiveling movement of the catch fingers, so that there is a considerable risk of slipping of sheets when switching over, especially in high-speed machines.
US-A-3,966,196 offenbart eine Vorrichtung zur Bogenauslage. Bei dieser Vorrichtung aus dem Stand der Technik ist die Bewegung von Tragfingern in den Stapelbereich an eine vom Stapel weggerichtete Abschwenkbewegung der Stapelanschläge gekoppelt. Während der Einfahrbewegung der Tragfinger in den Stapelbereich werden die Tragfinger abgesenkt. Durch die Kopplung der Bewegung von Stapelanschlägen und Fangfingern ist eine Probebogenentnahme realisierbar. Beim Stapelwechsel hingegen kann es durch das Wegklappen der Stapelanschläge zu Schwierigkeiten beim Aufbau einer korrekten Hilfsstapelvorderkante kommen. Dies ist umso gravierender, als diese nicht korrekt ausgerichteten Druckexemplare auf einer neuen, von unten heranfahrbaren Palette abgelegt werden. Die kontinuierliche Auslage der Druckexemplare erfolgt somit auf die Oberseite nicht korrekt ausgerichteter Exemplare, die dann in ihrer Lage nicht mehr korrigierbar sind. Überstehende Kanten sind beim Transport innerhalb einer Druckerei leicht abzuknicken, reißen ein oder werden verschmutzt, so daß sie von Kunden nicht mehr abgenommen werden und der Makulatur zuzurechnen sind, obwohl die Druckqualität einwandfrei ist.US-A-3,966,196 discloses a sheet delivery device. In this device from the prior art, the movement of support fingers into the stack area is coupled to a pivoting movement of the stack stops directed away from the stack. The support fingers are lowered while the support fingers move into the stacking area. Coupling the movement of stacking stops and catch fingers makes it possible to take out a test sheet. When changing the stack, on the other hand, folding the stacking stops away can lead to difficulties in building a correct auxiliary stack front edge come. This is all the more serious since these incorrectly aligned print copies are stored on a new pallet that can be moved up from below. The continuous delivery of the printed copies thus takes place on the top of incorrectly aligned copies, which can then no longer be corrected in their position. Protruding edges are easy to bend, tear or become soiled during transport within a print shop, so that they can no longer be removed by customers and are attributed to waste, even though the print quality is impeccable.
Diese Aufgabe wird erfindungsgemäß durch Ausbildungsmerkmale nach dem Kennzeichen des Patentanspruches 1 gelöst.This object is achieved by training features according to the characterizing part of patent claim 1.
Die Verwendung motorischer Antriebe getrennt für die Stapelanschläge und für die Bewegung der Fangfinger ermöglicht den Einsatz einfacher Schaltelemente zur zwangsläufig abhängigen Steuerung der Bewegungen voneinander und zur einzelnen Steuerung beider Bewegungsvorgänge. Ermöglicht wird dadurch aber vor allem auch, daß die motorischen Antriebe je auf einer der beiden Maschinenseiten des Auslegers angeordnet werden können, und zwar auf der Außenseite des Maschinengestells, wodurch die Unterbringung in dem bei Maschinen moderner Bauart sehr engen Innenraum des Bogenauslegers zwischen den seitlichen Gestellwandungen entfällt. Die motorischen Antriebe wirken je unmittelbar auf eine Welle ein, deren Winkelbewegung mittels übertragungsglieder im gewünschten Umfange übersetzt und im Falle der Fangfinger in eine lineare Schubbewegung umgewandelt wird, so daß die Fangfinger bei ihrer Bewegung exakt parallel zur Ebene der Bogen im Bogenstapel geführt werden können. Dabei ist es von Vorteil, daß bereits geringe Winkelbewegungen der Antriebswellen durch geeignete Übersetzung mittels der Übertragungsglieder in relativ große Stellbewegungen übersetzt werden können. Durch die Lagerung der beiden Antriebswellen koaxial zueinander wird die Zahl der Bauteile trotz Anordnung der motorischen Antriebe auf getrennten Seiten außerhalb des Maschinengestells reduziert und die Unterbringung der Bauteile auf engstem Raum begünstigt. Für die motorischen Antriebe sind Pneumatikzylinder besonders geeignet, weil sie an das vorhandene Energiesystem anschließbar sind.The use of motorized drives separately for the stack stops and for the movement of the catch fingers enables the use of simple switching elements for the inevitably dependent control of the movements from one another and for the individual control of both movement processes. Above all, this also makes it possible for the motor drives to be arranged on one of the two machine sides of the boom, on the outside of the machine frame, as a result of which they can be accommodated in the interior of the bow arm, which is very narrow in modern machines, between the side walls of the frame not applicable. The motor drives each act directly on a shaft, the angular movement of which is translated by means of transmission elements to the desired extent and, in the case of the catching fingers, is converted into a linear thrust movement, so that the catching fingers can be guided exactly parallel to the plane of the sheet in the sheet stack during their movement. It is advantageous that even small angular movements of the drive shafts can be translated into relatively large actuating movements by means of suitable translation by means of the transmission elements. By mounting the two drive shafts coaxially to each other, the number of components is reduced despite the arrangement of the motor drives on separate sides outside the machine frame and the placement of the components in a confined space is favored. Pneumatic cylinders are particularly suitable for motor drives because they can be connected to the existing energy system.
Auf der Zeichnung ist ein Ausführungsbeispiel in erfindungsgemäßer Ausbildung schematisch dargestellt.In the drawing, an embodiment in the inventive design is shown schematically.
Es zeigen:
- Figur 1
- eine Draufsicht auf die Fangfinger und auf die Stapelanschläge für die Bogenvorderkante mit den zugehörigen Antrieben, wobei die Fangfinger in der eingeschobenen Position gezeichnet sind,
- Figur 1a
- eine Draufsicht auf ein Schalttableau,
Figur 2- eine Seitenansicht des Antriebes für die Fangfinger und
Figur 3- eine Seitenansicht des Antriebes für die Stapelanschläge.
- Figure 1
- 2 shows a plan view of the catching fingers and of the stacking stops for the leading edge of the sheet with the associated drives, the catching fingers being drawn in the inserted position,
- Figure 1a
- a plan view of a switch panel,
- Figure 2
- a side view of the drive for the catch fingers and
- Figure 3
- a side view of the drive for the stack stops.
In der Zeichnung sind mit 1 und 2 die beiden Seitenwände des Gestells des Bogenauslegers einer Bogendruckmaschine dargestellt. In dem Bogenausleger werden die aus der Bogendruckmaschine ankommenden Bogen bis über einen Bogenstapel 3 transportiert und auf diesen Bogenstapel abgelegt. Die ankommenden Bogen werden mit der Bogenvorderkante bis gegen Stapelanschläge 4 transportiert, von denen mehrere nebeneinander angeordnet sind. Die Stapelanschläge 4 sind an einer querverlaufend angeordneten Schwenkwelle 5 befestigt, die in den Seitenwänden 1 und 2 des Gestells drehbar gelagert ist, so daß die Stapelanschläge 4 durch eine Drehbewegung der Schwenkwelle 5 weggeklappt und wieder angeklappt werden können. Die Schwenkwelle 5 ist auf der einen Maschinenseite bis auf die Außenseite der Seitenwand 2 geführt. Das Ende der Schwenkwelle 5 ist durch Übertragungsglieder 6 mit einer Antriebswelle 7 verbunden, deren motorischer Antrieb aus einem Pneumatikzylinder 8 besteht, und mit dieser eine gegenüber der Wellenachse exzentrische Verbindung aufweist. Zwischen der Antriebswelle 7 und dem Pneumatikzylinder 8 ist außerdem ein exzentrisch angeordneter Stangenkopf 9 wirksam, durch den intermittierend eine Gradstoßbewegung auf die Stapelanschläge 4 übertragen wird. Der beidseitig wirksame Pneumatikzylinder 8 ermöglicht das Wegklappen der Stapelanschläge 4 und das Wiederanklappen dieser Stapelanschläge.In the drawing, 1 and 2 show the two side walls of the frame of the sheet delivery of a sheet printing machine. In the sheet delivery, the sheets arriving from the sheet printing machine are transported up to a
Zum Zwecke der Entnahme eines oder mehrerer Probebogen vom Bogenstapel 3 oder zur Bildung eines Hilfsstapels beim Stapelwechsel im Non-Stop-Betrieb der Maschine sind Fangfinger 10 an einem sich über die Stapelbreite erstreckenden Träger 11 befestigt, der auf parallel zur Bogenebene im Bogenstapel 3 ausgerichteten Führungen 12 vor- und zurückbeweglich geführt ist, so daß die Fangfinger 10 bei ihrer Bewegung eine exakt definierte Linearbewegung ausführen. Der Antrieb für die Fangfinger erfolgt ebenfalls über eine Antriebswelle 13, die durch Gelenkhebel 14 mit dem Träger 11 gelenkig verbunden und koaxial zu der Antriebswelle 7 für die Stapelanschläge gelagert ist. Die koaxiale Lagerung wird dadurch ermöglicht, daß das eine Ende der Antriebswelle 13, unmittelbar angrenzend an die eine Seitenwand 2 des Gestells, in einem an der Stirnseite der Antriebswelle 7 ausgebildeten Lager 15 drehbar gelagert ist, während das andere Ende der Antriebswelle 13 eine Lagerung 16 in der gegenüberliegenden Seitenwand 1 aufweist. Das aus dieser Seitenwand 1 herausgeführte Ende der Antriebswelle 13 ist auf dieser Maschinenseite mittels Übertragungsglieder 17 mit einem Pneumatikzylinder 18 für den motorischen Antrieb der Antriebswelle 13 verbunden. Das Übertragungsglied 17 ist als Doppelhebel ausgebildet, dessen einer Arm mit dem Pneumatikzylinder und dessen anderer Arm mit dem Gelenkhebel 14 gelenkig verbunden ist. Jeder der beiden Pneumatikzylinder 8 und 18 ist beispielsweise über Schalter 20 und 21 auf einem Schalttableau 19 für sich betätigbar. Beide Pneumatikzylinder 8 und 18 können aber auch in gegenseitiger Abhängigkeit voneinander über einen Schalter 22 betätigt werden, so daß die Fangfinger 10 erst über den Stapel eingeschoben werden, bevor die Stapelanschläge 4 weggeklappt werden, um sodann einen oder mehrere Probebogen vom Stapel 3 zu entnehmen. Andererseits ermöglicht die einzelne Betätigung der Pneumatikzylinder 8 und 18, daß zum Beispiel beim Stapelwechsel im Non-Stop-Betrieb zunächst die Fangfinger 10 eingeschoben werden und danach erst das Einbringen der Hilfsstapeleinrichtung, zum Beispiel eines Rechens, eines Hilfsstapeltisches oder dergleichen erfolgt, bevor anschließend die Stapelanschläge 4 für den Wechsel des Stapels 3 weggeklappt werden. Umgekehrt können dann zunächst die Stapelanschläge 4 wieder zurückgeklappt werden, bevor der Hilfsstapel aufgelöst und die Fangfinger zurückgezogen werden. Darin liegt eine wesentliche Verbesserung der Handhabung und der Betriebssicherheit. Aus der Zeichnung wird deutlich, daß die raumgreifenden Bauteile zur Betätigung der Stapelanschläge 4 und der Fangfinger 10 außerhalb der Seitenwände 1 und 2 des Gestells des Bogenauslegers angeordnet sind. Die Übertragung der motorischen Antriebskräfte auf Antriebswellen 7 und 13 ermöglicht mit relativ geringen, motorisch bewirkten Winkelverdrehungen der Antriebswellen 7 und 13 große Verstellwege für die Schwenkbewegung der Stapelanschläge 4 und für die Linearbewegung der Fangfinger 10.For the purpose of removing one or more sample sheets from the
- 11
- SeitenwandSide wall
- 22nd
- SeitenwandSide wall
- 33rd
- BogenstapelSheet stack
- 44th
- StapelanschlägeStacking stops
- 55
- SchwenkwelleSwivel shaft
- 66
- ÜbertragungsgliedTransmission link
- 77
- Antriebswelledrive shaft
- 88th
- PneumatikzylinderPneumatic cylinder
- 99
- StangenkopfRod head
- 1010th
- FangfingerCatch finger
- 1111
- Trägercarrier
- 1212th
- Führungguide
- 1313
- Antriebswelledrive shaft
- 1414
- GelenkhebelArticulated lever
- 1515
- Lagerwarehouse
- 1616
- Lagerungstorage
- 1717th
- Übertragungsglied LagerTransmission link bearing
- 1818th
- PneumatikzylinderPneumatic cylinder
- 1919th
- SchalttableauSwitch panel
- 2020th
- Schaltercounter
- 2121
- Schaltercounter
- 2222
- Schaltercounter
Claims (5)
- Sheet deliverer for a sheet-fed printing machine, in which there are provided swivellable pile stops (4) for the leading edge of the sheets conveyed by means of conveying members from the sheet-fed printing machine up to above a sheet pile (3) and catch fingers (10) which can be pushed in briefly parallel to the sheet plane from the leading edge of the sheets above the sheet pile in order to form an auxiliary pile, it being possible for the pile stops (4) to be swivelled away or swivelled on again by means of corresponding drive members about a swivel shaft (5) aligned parallel to the sheet plane in dependence on the pushing-in movement or the withdrawal movement of the catch fingers (10) respectively, and drive shafts (7, 13) mounted coaxially relative to each other being drivable transversely to the conveying direction of the sheets, characterised in that- separate motor drives (8, 18) for the movement of the pile stops (4) and for the movement of the catch fingers (10) are arranged in each case on one of the two sides of the deliverer,- transmission members (6, 9) for the transmission of the rotary movement of the one drive shaft (7) onto the swivel shaft (5) of the pile stops (4) are arranged on the one side of the machine and transmission members (14, 17) for the transmission of the rotary movement of the other drive shaft (13) onto catch fingers (10), guided with straight linear movement, are arranged on the other side of the machine, and- switching elements are provided for the drive of the two drive shafts (7, 13), by means of which the drive shafts (7, 13) can be driven both independently of one another and in dependence on one another.
- Sheet deliverer according to Claim 1, characterised in that the drive shaft (7) for the movement of the swivel shaft (5) of the pile stops (4) is mounted in a frame wall (2) of the sheet deliverer and has a bearing (15), in which the facing end of the drive shaft (13) for the catch fingers (10) is mounted coaxially, said drive shaft being supported at the other end by a bearing (16) in a frame wall (1) on the other side of the machine.
- Sheet deliverer according to Claim 2, characterised in that the common bearing (15) of the two drive shafts (7, 13) is arranged directly adjacent to the frame wall (2).
- Sheet deliverer according to Claim 1, characterised in that pneumatic cylinders (8, 18) of approximately equal dimensions are provided as motor drives.
- Sheet deliverer according to Claim 1, characterised in that a bearer (11), connecting the catch fingers (10) to one another, is guided movably in straight guides (12) aligned parallel to the plane of the top sheet in the sheet pile (3) and is connected to the associated drive shaft (13) by articulated levers (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3937944A DE3937944C1 (en) | 1989-11-15 | 1989-11-15 | |
| DE3937944 | 1989-11-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0432412A2 EP0432412A2 (en) | 1991-06-19 |
| EP0432412A3 EP0432412A3 (en) | 1991-09-04 |
| EP0432412B1 true EP0432412B1 (en) | 1994-12-21 |
Family
ID=6393557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90119794A Expired - Lifetime EP0432412B1 (en) | 1989-11-15 | 1990-10-16 | Sheet delivery apparatus for a sheet printing machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5125639A (en) |
| EP (1) | EP0432412B1 (en) |
| JP (1) | JPH0633124B2 (en) |
| AT (1) | ATE115942T1 (en) |
| DE (2) | DE3937944C1 (en) |
| ES (1) | ES2067618T3 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4131015C2 (en) * | 1991-09-18 | 1995-10-05 | Roland Man Druckmasch | Sheet boom |
| CH687324A5 (en) * | 1992-02-10 | 1996-11-15 | Bobst Sa | momentary support frame with a horizontal plate member within a machine. |
| DE4442385C1 (en) * | 1994-11-29 | 1996-01-04 | Heidelberger Druckmasch Ag | Device for forming stacks of sheets |
| DE19507370C2 (en) * | 1995-03-03 | 2003-01-09 | Heidelberger Druckmasch Ag | Sheet delivery for a printing machine |
| DE19516071C2 (en) * | 1995-05-04 | 1997-12-04 | Heidelberger Druckmasch Ag | Method and device for changing a main stack on sheet-fed printing machines with continuous sheet feeding |
| US5544583A (en) * | 1995-06-08 | 1996-08-13 | A.B. Dick Company | Delivery interrupt mechanism for a printing machine |
| DE19612293C2 (en) * | 1996-03-28 | 1998-10-08 | Heidelberger Druckmasch Ag | Device for automatic format setting in the delivery of a rotary printing press |
| DE19612294C2 (en) * | 1996-03-28 | 1998-01-29 | Heidelberger Druckmasch Ag | Delivery system for flat products |
| CA2375872A1 (en) | 1999-06-04 | 2000-12-14 | Stephen J. Derby | Material handling device |
| DE10129894A1 (en) * | 2000-07-28 | 2002-05-02 | Heidelberger Druckmasch Ag | Feeder for sheet type printing media for use with a sheet printer has an arrangement that allows a protective cover to cover the top of the feeder and at the same time to allow an operator to view the remaining paper stack |
| ITMI20031162A1 (en) * | 2003-06-10 | 2004-12-11 | Siasprint S R L | FEEDING SYSTEM FOR A SCREEN PRINTING MACHINE. |
| DE102012021268B4 (en) * | 2011-11-25 | 2023-10-05 | Heidelberger Druckmaschinen Ag | Method and device for forming an auxiliary stack |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631038A (en) * | 1948-06-15 | 1953-03-10 | Harris Seybold Co | Sheet delivery mechanism |
| US2950108A (en) * | 1957-05-29 | 1960-08-23 | Golding William Frank | Printing and like machines |
| FR1381308A (en) * | 1963-08-20 | 1964-12-14 | Materiel Electrique S W Le | Phase modulation pulse generator |
| DE2301840C3 (en) * | 1973-01-15 | 1981-03-26 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Sheet delivery device of a sheet-fed printing machine |
| US3966196A (en) * | 1974-01-14 | 1976-06-29 | Roland Offsetmaschinenfabrik Faber & Schleicher Ag | Sheet delivery mechanism |
| DE2441459B2 (en) * | 1974-08-29 | 1976-07-01 | Roland-Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach | DEVICE FOR TEMPORARILY CATCHING AND HOLDING A SHEET TO BE PLACED ON A STACK |
| DE3112558C2 (en) * | 1981-03-30 | 1983-02-17 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Device for catching sheets in the meantime when changing stacks in a sheet delivery |
-
1989
- 1989-11-15 DE DE3937944A patent/DE3937944C1/de not_active Expired - Lifetime
-
1990
- 1990-10-16 AT AT90119794T patent/ATE115942T1/en not_active IP Right Cessation
- 1990-10-16 EP EP90119794A patent/EP0432412B1/en not_active Expired - Lifetime
- 1990-10-16 DE DE59008082T patent/DE59008082D1/en not_active Expired - Fee Related
- 1990-10-16 ES ES90119794T patent/ES2067618T3/en not_active Expired - Lifetime
- 1990-11-13 JP JP2304226A patent/JPH0633124B2/en not_active Expired - Lifetime
- 1990-11-15 US US07/613,404 patent/US5125639A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633124B2 (en) | 1994-05-02 |
| DE59008082D1 (en) | 1995-02-02 |
| ATE115942T1 (en) | 1995-01-15 |
| JPH03195664A (en) | 1991-08-27 |
| US5125639A (en) | 1992-06-30 |
| DE3937944C1 (en) | 1991-04-18 |
| ES2067618T3 (en) | 1995-04-01 |
| EP0432412A2 (en) | 1991-06-19 |
| EP0432412A3 (en) | 1991-09-04 |
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