EP0936170B1 - Device for controlling sheet knocking-up means - Google Patents

Device for controlling sheet knocking-up means Download PDF

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Publication number
EP0936170B1
EP0936170B1 EP99102140A EP99102140A EP0936170B1 EP 0936170 B1 EP0936170 B1 EP 0936170B1 EP 99102140 A EP99102140 A EP 99102140A EP 99102140 A EP99102140 A EP 99102140A EP 0936170 B1 EP0936170 B1 EP 0936170B1
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EP
European Patent Office
Prior art keywords
control
control device
control valves
pneumatic
compressed air
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Application number
EP99102140A
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German (de)
French (fr)
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EP0936170A2 (en
EP0936170A3 (en
Inventor
Marco Bergmann
Michael Reising
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Manroland AG
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MAN Roland Druckmaschinen AG
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Publication of EP0936170A2 publication Critical patent/EP0936170A2/en
Publication of EP0936170A3 publication Critical patent/EP0936170A3/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/34Apparatus for squaring-up piled articles
    • B65H31/38Apparatus for vibrating or knocking the pile during piling

Definitions

  • the invention relates to a control device for controlling two or more Bogengeradtrainern in the boom of a sheet-processing printing machine, each Bogengeradtrainer having a separate pneumatic drive which is periodically subjected to compressed air for generating alignment movements of Bogengeradtrainers in time with the sheet sequence.
  • a rotary valve is provided for controlling the compressed air supply, the input side is connected to a compressor and the output side with the pneumatic drives provided as side stops Bogengeradtrainer and periodically supplies the pneumatic actuators with compressed air ,
  • the housing of the rotary valve is connected to an actuator and can be adjusted by means of the actuator in its angular position with respect to the rotary valve. This makes it possible to change the setting of the time of the impact of the side stops on the sheet to be deposited on the stack and adapt to sheet braking, format, gripper opening. Measures for synchronizing the movement of the side stops are not specified here.
  • the invention has for its object to provide a control device for controlling two or more Bogengeradtrainern of the type mentioned, with an exactly synchronous movement in the same synchronous Bogengeradtrainer, for example, a synchronous approach to the sheet pile and distance from this can be achieved. Furthermore, the synchronous movements of Bogengeradtrainer should be able to be adapted in their timing to different parameters, such as machine speed, format, substrate, Drucksujet.
  • control device By created with the invention individual, but at the same time the same direction control of the individual pneumatic drives the Geradumbleer exact synchronization of the movement of the Bogengeradenseer to the paper stack and thus a good stack formation is achieved and prevents damage to the sheet during storage and alignment to the stack ,
  • the control device also has the advantage that it can be realized very inexpensively and that it is largely independent of the mechanical design of the printing press. The subsequent installation in existing printing machines is possible without great expense.
  • the actuation of the control valves can take place in different ways, for example mechanically, pneumatically, electrically or electropneumatically.
  • means for electrical or electropneumatic actuation of the control valves since the control valves can then be accommodated with little technical effort in the immediate vicinity of the pneumatic actuators, which in turn is desirable for an accurate synchronization of the movements.
  • one possibility is to design the control valves as solenoid valves. If an actuation of the control valves with comparatively low electrical power be possible, it is recommended to use a pneumatically pilot-operated control valve with electromagnetic pilot valve.
  • the compressed air for the feedforward control can hereby be taken either from the compressed air supply for the pneumatic drives or from a separate compressed air source.
  • the respective control command can be calculated and output by a real-time computer according to a further proposal of the invention, wherein the real-time computer can fall back on stored in a memory characteristics that contain the storage behavior of the arc influencing parameters.
  • the real-time computer and the characteristic memory integrated into the machine control station.
  • Another simple control device for the electrical control of the control valves in the power stroke of the printing press consist in that with the aid of an electrical rotary encoder, such as a cam on the single-turn shaft and the cam querying sensor, at a certain machine angle, an electrical control pulse for actuating the control valves or the pilot valves is generated.
  • an electrical rotary encoder such as a cam on the single-turn shaft and the cam querying sensor
  • the Bogengeradtrainer 1 shown in Figure 1 is arranged on the side edge of a delivery pile 2. It consists of a pivotally mounted in a rotary joint 3 about an axis parallel to the side edge of the delivery stack 2 axis stop plate 4, which is reciprocated by a pneumatic drive 5 periodically in the swing angle S back and forth.
  • the pneumatic drive 5 is connected via a line 6 to the outlet of a control valve 7 connected, whose input is connected via a line 8 to a compressed air generator 9.
  • the control valve 7 is pneumatically connected by means of an electromagnetically actuated pilot valve 10 in its two switching positions.
  • the control air required for this purpose is taken with a branch line 11 of the line 8.
  • the solenoid of the pilot valve 10 is connected to a real-time computer 12, the electromagnet of the pilot valve 10 briefly energized with a switching voltage to the beat of the sequence at a defined time or at several defined times, causing it the pilot valve 10 is actuated and thereby switching the control valve 7 and applying the drive 5 causes compressed air.
  • the real-time computer 12 is connected to a characteristic memory 13, which contains the machine speed and other characteristics influencing the storage behavior of the sheets, of which the respectively applicable to the real-time computer for calculating the time for driving the pilot valve 10 is abandoned.
  • a characteristic memory 13 which contains the machine speed and other characteristics influencing the storage behavior of the sheets, of which the respectively applicable to the real-time computer for calculating the time for driving the pilot valve 10 is abandoned.
  • the duration of the cyclical excitation of the electromagnet of the pilot valve 10 is dimensioned so that the actuation of the drive 5 caused by compressed air is sufficient to completely move the Bogengeradstructureer from the parked from the delivery stack end position over the entire swing angle S in the alignment position.
  • the Bogengeradtrainer is moved back by spring force in the parked from the stack position as soon as the pilot valve 10, the control valve 7 is switched back to its original position by de-energizing the electromagnet and thus the drive 5 is separated from the compressed air supply and connected to the atmosphere.
  • Figure 3 shows a modification of the control device according to Figure 2, which consists in that the control air for actuating the control valve 7 is supplied from a separate compressed air generator 14 via a line 15 to the pilot valve 10.
  • control device can also be used to control a pneumatically driven Bogengeradizeers at the front edge of a delivery pile.
  • the Bogengeradtrainer is moved to the front edge of the stack not synchronously, but with a time delay to the arranged on the stack side edge Bogengeradtrainern.
  • the electrical control pulse emitted by the real-time computer for the pilot valve of the front bow-type gerber may be delayed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Pile Receivers (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The arrangement comprises two or more sheet alignment devices having separate pneumatic drives which are supplied periodically with compressed air synchronous to a sheet sequence. Each pneumatic drive (5) comprises a control valve (7) for controlling the compressed air supply. The control valves are pneumatically activated by device of an electromagnetic activated pre-regulation valve (10) through a real-time computer (12). The arrangement controls two or more sheet alignment devices in a sheet printing machine, whereby each alignment device comprises a separate pneumatic drive which is supplied periodically with compressed air synchronous to a sheet sequence. Each pneumatic drive (5) comprises a control valve (7) for controlling the compressed air supply. The control valves are pneumatically activated by device of an electromagnetic activated pre-regulation valve (10), and are activated simultaneous in same direction through a real-time computer (12).

Description

Die Erfindung betrifft eine Steuereinrichtung zur Steuerung von zwei oder mehr Bogengeradstoßern im Ausleger einer bogenverarbeitenden Druckmaschine, wobei jeder Bogengeradstoßer einen separaten pneumatischen Antrieb aufweist, der zur Erzeugung von Ausrichtbewegungen des Bogengeradstoßers im Takt der Bogenfolge periodisch mit Druckluft beaufschlagbar ist.The invention relates to a control device for controlling two or more Bogengeradstoßern in the boom of a sheet-processing printing machine, each Bogengeradstoßer having a separate pneumatic drive which is periodically subjected to compressed air for generating alignment movements of Bogengeradstoßers in time with the sheet sequence.

Bei einer aus der DE 196 16 422 C1 bekannten Steuereinrichtung der angegebenen Art ist zur Steuerung der Druckluftzufuhr ein Drehschieber vorgesehen, der eingangsseitig mit einem Kompressor und ausgangsseitig mit den pneumatischen Antrieben der als Seitenanschläge vorgesehenen Bogengeradstoßer verbunden ist und der die pneumatischen Antriebe periodisch mit Druckluft versorgt. Das Gehäuse des Drehschiebers ist mit einem Stellantrieb verbunden und kann mit Hilfe des Stellantriebs in seiner Winkellage in Bezug auf den Drehschieber verstellt werden. Hierdurch ist es möglich, die Einstellung des Zeitpunkts des Einwirkens der Seitenanschläge auf den auf dem Stapel abzulegenden Bogen zu verändern und an Bogenbremsung, Format, Greiferöffnung anzupassen. Maßnahmen zur Synchronisierung der Bewegung der Seitenanschläge sind hierbei nicht angegeben.In one known from DE 196 16 422 C1 control device of the specified type, a rotary valve is provided for controlling the compressed air supply, the input side is connected to a compressor and the output side with the pneumatic drives provided as side stops Bogengeradstoßer and periodically supplies the pneumatic actuators with compressed air , The housing of the rotary valve is connected to an actuator and can be adjusted by means of the actuator in its angular position with respect to the rotary valve. This makes it possible to change the setting of the time of the impact of the side stops on the sheet to be deposited on the stack and adapt to sheet braking, format, gripper opening. Measures for synchronizing the movement of the side stops are not specified here.

Aus der DE 37 10 392 C2 sind Seitenanschläge zum Ausrichten von Bogen in Bogenauslegern bekannt, die mit Hilfe eines pneumatischen Antriebs bewegt werden. Die pneumatischen Antriebe der beiden gegenüberliegenden Seitenanschläge werden hierbei über eine verzweigte Luftleitung mit Druckluft beaufschlagt. Eine exakt gegenläufig synchrone Bewegung der Seitenanschläge ist hierbei wegen der unterschiedlichen Länge der Leitungszweige nicht zu erwarten.From DE 37 10 392 C2 side stops for aligning sheets in sheet delivery are known, which are moved by means of a pneumatic drive. The pneumatic drives of the two opposing side stops are in this case acted upon via a branched air line with compressed air. An exact opposite synchronous movement of the side stops is not expected here because of the different length of the line branches.

Der Erfindung liegt die Aufgabe zugrunde, eine Steuereinrichtung zur Steuerung von zwei oder mehr Bogengeradstoßern der eingangs genannten Art zu schaffen, mit der eine exakt gleichsinnig synchrone Bewegung der Bogengeradstoßer, zum Beispiel eine synchrone Annäherung an den Bogenstapel und Entfernung von diesem erreichbar ist. Weiterhin sollten die synchrone Bewegungen der Bogengeradstoßer in ihrem zeitlichen Ablauf an unterschiedliche Parameter, wie Maschinengeschwindigkeit, Format, Bedruckstoff, Drucksujet angepasst werden können.The invention has for its object to provide a control device for controlling two or more Bogengeradstoßern of the type mentioned, with an exactly synchronous movement in the same synchronous Bogengeradstoßer, for example, a synchronous approach to the sheet pile and distance from this can be achieved. Furthermore, the synchronous movements of Bogengeradstoßer should be able to be adapted in their timing to different parameters, such as machine speed, format, substrate, Drucksujet.

Erfindungsgemäß wird diese Aufgabe mit den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.According to the invention this object is achieved with the characterizing features of claim 1.

Durch die mit der Erfindung geschaffene individuelle, dabei aber gleichzeitig gleichsinnige Ansteuerung der einzelnen pneumatischen Antriebe der Geradstoßer wird eine exakte Synchronisierung der Heranbewegung der Bogengeradstoßer an den Papierstapel und damit eine gute Stapelbildung erreicht und eine Beschädigung der Bogen bei der Ablage und dem Ausrichten zum Stapel vermieden. Der Zeitpunkt der Betätigung der Steuerventile kann erfindungsgemäß in Bezug auf die Maschinenzeit (Maschinenwinkel) einstellbar sein, um eine Anpassung der Bewegung der Bogengeradstoßer an das Ablageverhalten der Bogen anpassen zu können, da es u.a. von der Maschinengeschwindigkeit, dem Format, dem Bedruckstoff und dem Drucksujet abhängig ist. Die erfindungsgemäße Steuereinrichtung hat weiterhin den Vorteil, dass sie sehr kostengünstig realisiert werden kann und dass sie von der mechanischen Ausgestaltung der Druckmaschine weitgehend unabhängig ist. Auch der nachträgliche Einbau in vorhandene Druckmaschinen ist ohne großen Kostenaufwand möglich.By created with the invention individual, but at the same time the same direction control of the individual pneumatic drives the Geradstoßer exact synchronization of the movement of the Bogengeradstoßer to the paper stack and thus a good stack formation is achieved and prevents damage to the sheet during storage and alignment to the stack , The timing of the actuation of the control valves according to the invention in relation to the Machine time (machine angle) to be able to adjust an adjustment of the movement of the Bogengeradstoßer to the storage behavior of the sheet, as it depends, inter alia, on the machine speed, the format, the substrate and the Drucksujet. The control device according to the invention also has the advantage that it can be realized very inexpensively and that it is largely independent of the mechanical design of the printing press. The subsequent installation in existing printing machines is possible without great expense.

Die Betätigung der Steuerventile kann auf unterschiedliche Weise, beispielsweise mechanisch, pneumatisch, elektrisch oder elektropneumatisch erfolgen. Zu bevorzugen sind allerdings Mittel zur elektrischen oder elektropneumatischen Betätigung der Steuerventile, da die Steuerventile sich dann mit geringem technischen Aufwand in unmittelbarer Nähe der pneumatischen Antriebe unterbringen lassen, was wiederum für eine exakte Synchronisierung der Bewegungen wünschenswert ist. Hierbei besteht eine Möglichkeit darin, die Steuerventile als Magnetventile auszubilden. Soll eine Betätigung der Steuerventile mit vergleichsweise geringer elektrischer Leistung möglich sein, so empfiehlt sich, ein pneumatisch vorgesteuertes Steuerventil mit elektromagnetischem Vorsteuerventil zu verwenden. Die Druckluft für die Vorsteuerung kann hierbei entweder der Druckluftversorgung für die pneumatischen Antriebe oder einer separaten Druckluftquelle entnommen werden. Zur Ermittlung des jeweils richtigen Zeitpunkts zur taktweisen Betätigung der Steuerventile kann nach einem weiteren Vorschlag der Erfindung der jeweilige Steuerbefehl von einem Echtzeitrechner berechnet und ausgegeben werden, wobei der Echtzeitrechner auf in einem Speicher abgelegte Kennlinien zurückgreifen kann, die das Ablageverhalten der Bogen beeinflussende Parameter enthalten. Vorzugsweise sind der Echtzeitrechner und der Kennlinienspeicher in den Maschinenleitstand integriert.The actuation of the control valves can take place in different ways, for example mechanically, pneumatically, electrically or electropneumatically. To be preferred, however, means for electrical or electropneumatic actuation of the control valves, since the control valves can then be accommodated with little technical effort in the immediate vicinity of the pneumatic actuators, which in turn is desirable for an accurate synchronization of the movements. Here, one possibility is to design the control valves as solenoid valves. If an actuation of the control valves with comparatively low electrical power be possible, it is recommended to use a pneumatically pilot-operated control valve with electromagnetic pilot valve. The compressed air for the feedforward control can hereby be taken either from the compressed air supply for the pneumatic drives or from a separate compressed air source. To determine the respective correct time for the cyclic actuation of the control valves, the respective control command can be calculated and output by a real-time computer according to a further proposal of the invention, wherein the real-time computer can fall back on stored in a memory characteristics that contain the storage behavior of the arc influencing parameters. Preferably, the real-time computer and the characteristic memory integrated into the machine control station.

Eine andere, einfache Steuereinrichtung zur elektrischen Steuerung der Steuerventile im Arbeitstakt der Druckmaschine kann erfindungsgemäß darin bestehen, dass mit Hilfe eines elektrischen Drehwinkelgebers, beispielsweise einer Nocke auf der Eintourenwelle und einem die Nocke abfragenden Sensor, bei einem bestimmten Maschinenwinkel ein elektrischer Steuerimpuls zur Betätigung der Steuerventile bzw. der Vorsteuerventile erzeugt wird.Another simple control device for the electrical control of the control valves in the power stroke of the printing press according to the invention consist in that with the aid of an electrical rotary encoder, such as a cam on the single-turn shaft and the cam querying sensor, at a certain machine angle, an electrical control pulse for actuating the control valves or the pilot valves is generated.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert, die in der Zeichnung dargestellt sind. Es zeigen

Figur 1
eine schematische Darstellung eines Bogengeradstoßers an der Seite eines Bogenstapels,
Figur 2
ein Blockschaltbild eines Ausführungsbeispiels einer erfindungsgemäßen Steuereinrichtung für einen Bogengeradstoßer und
Figur 3
ein Blockschaltbild einer weiteren Ausführungsform einer erfindungsgemäßen Steuereinrichtung für einen Bogengeradstoßer.
The invention will be explained in more detail by means of embodiments which are illustrated in the drawing. Show it
FIG. 1
a schematic representation of a Bogengeradstoßers on the side of a sheet pile,
FIG. 2
a block diagram of an embodiment of an inventive control device for a Bogengeradstoßer and
FIG. 3
a block diagram of another embodiment of a control device according to the invention for a Bogengeradstoßer.

Der in Figur 1 gezeigte Bogengeradstoßer 1 ist an der Seitenkante eines Auslegerstapels 2 angeordnet. Er besteht aus einer in einem Drehgelenk 3 um eine zur Seitenkante des Auslegerstapels 2 parallele Achse schwenkbar gelagerten Anschlagplatte 4, die durch einen pneumatischen Antrieb 5 periodisch in dem Schwenkwinkel S hin- und herbewegbar ist.The Bogengeradstoßer 1 shown in Figure 1 is arranged on the side edge of a delivery pile 2. It consists of a pivotally mounted in a rotary joint 3 about an axis parallel to the side edge of the delivery stack 2 axis stop plate 4, which is reciprocated by a pneumatic drive 5 periodically in the swing angle S back and forth.

Wie aus Figur 2 zu ersehen, ist der pneumatische Antrieb 5 über eine Leitung 6 mit dem Ausgang eines Steuerventils 7 verbunden, dessen Eingang über eine Leitung 8 an einen Drucklufterzeuger 9 angeschlossen ist. Das Steuerventil 7 wird pneumatisch mit Hilfe eines elektromagnetisch betätigbaren Vorsteuerventils 10 in seine beiden Schaltstellungen geschaltet. Die hierzu benötigte Steuerluft wird mit einer Zweigleitung 11 der Leitung 8 entnommen. Der Elektromagnet des Vorsteuerventils 10 ist an einen Echtzeitrechner 12 angeschlossen, der im Takt der Bogenfolge zu einem definierten Zeitpunkt oder auch zu mehreren definierten Zeitpunkten je Takt den Elektromagneten des Vorsteuerventils 10 kurzzeitig mit einer Schaltspannung erregt, wodurch dieser das Vorsteuerventil 10 betätigt und dadurch ein Schalten des Steuerventils 7 und Beaufschlagen des Antriebs 5 mit Druckluft bewirkt. Der Echtzeitrechner 12 ist mit einem Kennlinienspeicher 13 verbunden, der die Maschinengeschwindigkeit und andere das Ablageverhalten der Bögen beeinflussende Parameter berücksichtigende Kennlinien enthält, von denen die jeweils zutreffende dem Echtzeitrechner zur Berechnung des Zeitpunkts zur Ansteuerung des Vorsteuerventils 10 aufgegeben wird. So kann beispielsweise bei einer bestimmten Maschinengeschwindigkeit der geeignete Zeitpunkt zur Druckbeaufschlagung des Antriebs 5 für den Bedruckstoff Karton bei 210° und für den Bedruckstoff dünnes Papier bei 270° des Maschinenwinkels liegen. Die Dauer der taktweisen Erregung des Elektromagneten des Vorsteuerventils 10 ist so bemessen, dass die dadurch bewirkte Beaufschlagung des Antriebs 5 mit Druckluft ausreicht, um den Bogengeradstoßer aus der vom Auslegerstapel abgestellten Endposition über den gesamten Schwenkwinkel S vollständig in die Ausrichtposition zu bewegen. Aus dieser Stellung wird der Bogengeradstoßer durch Federkraft in die vom Stapel abgestellte Position zurückbewegt, sobald durch Aberregen des Elektromagneten das Vorsteuerventil 10 das Steuerventil 7 in seine Ausgangsstellung zurückgeschaltet und dadurch der Antrieb 5 von der Druckluftzufuhr getrennt und mit der Atmosphäre verbunden wird.As can be seen from FIG. 2, the pneumatic drive 5 is connected via a line 6 to the outlet of a control valve 7 connected, whose input is connected via a line 8 to a compressed air generator 9. The control valve 7 is pneumatically connected by means of an electromagnetically actuated pilot valve 10 in its two switching positions. The control air required for this purpose is taken with a branch line 11 of the line 8. The solenoid of the pilot valve 10 is connected to a real-time computer 12, the electromagnet of the pilot valve 10 briefly energized with a switching voltage to the beat of the sequence at a defined time or at several defined times, causing it the pilot valve 10 is actuated and thereby switching the control valve 7 and applying the drive 5 causes compressed air. The real-time computer 12 is connected to a characteristic memory 13, which contains the machine speed and other characteristics influencing the storage behavior of the sheets, of which the respectively applicable to the real-time computer for calculating the time for driving the pilot valve 10 is abandoned. Thus, for example, at a certain machine speed the appropriate time for pressurizing the drive 5 for the substrate cardboard at 210 ° and for the substrate thin paper at 270 ° of the machine angle. The duration of the cyclical excitation of the electromagnet of the pilot valve 10 is dimensioned so that the actuation of the drive 5 caused by compressed air is sufficient to completely move the Bogengeradstoßer from the parked from the delivery stack end position over the entire swing angle S in the alignment position. From this position, the Bogengeradstoßer is moved back by spring force in the parked from the stack position as soon as the pilot valve 10, the control valve 7 is switched back to its original position by de-energizing the electromagnet and thus the drive 5 is separated from the compressed air supply and connected to the atmosphere.

Aus Vereinfachungsgründen wurde vorstehend Aufbau und Wirkungsweise der Steuereinrichtung nur am Beispiel eines Bogengeradstoßers beschrieben. Zur Verwirklichung der Erfindung ist jedoch auf der entgegengesetzten Seite des Auslegerstapels 2 gegenüber dem Bogengeradstoßer 1 ein mit diesem baugleicher zweiter Bogengeradstoßer angeordnet, dessen pneumatischer Antrieb über eine mit der Leitung 6 baugleiche Leitung und mit dem Steuerventil 7 und dem Vorsteuerventil 10 baugleichen Ventilen an den Drucklufterzeuger 9 angeschlossen ist. Das dem Vorsteuerventil 10 entsprechende Vorsteuerventil des zweiten Bogengeradstoßers ist ebenfalls mit dem Echtzeitrechner 12 verbunden und wird durch diesen gleichzeitig mit dem Vorsteuerventil 10 angesteuert. Auf diese Weise ist eine exakt synchrone An- und Abstellbewegung beider Bogengeradstoßer gegeben.For reasons of simplification, the structure and mode of operation of the control device have only been described above using the example of a bow-type linear stirrer. To realize the invention, however, arranged on the opposite side of the delivery stack 2 with respect to the Bogengeradstoßer 1 with this identical second Bogengeradstoßer, the pneumatic drive via a line 6 of the same construction and with the control valve 7 and the pilot valve 10 identical valves to the compressed air generator 9 is connected. The pilot control valve 10 corresponding pilot valve of the second Bogengeradstoßers is also connected to the real-time computer 12 and is controlled by this simultaneously with the pilot valve 10. In this way, an exact synchronous arrival and Abstellbewegung both Bogengeradstoßer is given.

Figur 3 zeigt eine Abwandlung der Steuereinrichtung gemäß Figur 2, die darin besteht, dass die Steuerluft zur Betätigung des Steuerventils 7 von einem separaten Drucklufterzeuger 14 über eine Leitung 15 dem Vorsteuerventil 10 zugeführt wird.Figure 3 shows a modification of the control device according to Figure 2, which consists in that the control air for actuating the control valve 7 is supplied from a separate compressed air generator 14 via a line 15 to the pilot valve 10.

Neben den beschriebenen Ausführungsbeispielen kann die erfindungsgemäße Steuereinrichtung auch zur Steuerung eines pneumatisch angetriebenen Bogengeradstoßers an der Vorderkante eines Auslegerstapels verwendet werden. Hierbei kann es wünschenswert sein, dass der Bogengeradstoßer an der Stapelvorderkante nicht synchron, sondern zeitversetzt zu den an den Stapelseitenkanten angeordneten Bogengeradstoßern bewegt wird. Um dies zu erreichen kann beispielsweise mit Hilfe eines Verzögerungsglieds der von dem Echtzeitrechner ausgesendete elektrische Steuerimpuls für das Vorsteuerventil des vorderen Bogengeradstoßers verzögert werden.In addition to the described embodiments, the control device according to the invention can also be used to control a pneumatically driven Bogengeradstoßers at the front edge of a delivery pile. In this case, it may be desirable that the Bogengeradstoßer is moved to the front edge of the stack not synchronously, but with a time delay to the arranged on the stack side edge Bogengeradstoßern. In order to achieve this, for example, with the aid of a delay element, the electrical control pulse emitted by the real-time computer for the pilot valve of the front bow-type gerber may be delayed.

Claims (7)

  1. Control device for controlling two or more mutually identical sheet knocking-up means (1) in the deliverer of a sheet-processing press, each knocking-up means (1) having a separate pneumatic drive (5) which, in order to produce aligning movements on the knocking-up means (1), can be acted on periodically with compressed air at the cycle rate of the sequence of sheets, characterized in that the control device for the pneumatic drives (5) contains a separate control valve (7) having means for electrical or electro-pneumatic activation in order to control the supply of compressed air for each pneumatic drive (5), the output of the control valve being connected via a line (6) to the pneumatic drive (5), and the separate control valves (7), their lines (6) and their means for electrical or electro-pneumatic actuation being mutually identical in each case, and it being possible for the control valves (7) to be actuated in the same direction simultaneously in each case by the means for electrical or electro-pneumatic actuation.
  2. Control device according to Claim 1, characterized in that the time of actuation of the control valves (7) can be adjusted in relation to the machine time.
  3. Control device according to one of the preceding claims, characterized in that the control valves are solenoid valves.
  4. Control device according to one of the preceding claims, characterized in that the control valves (7) can be actuated pneumatically with the aid of an electromagnetically actuatable pilot control valve (10).
  5. Control device according to one of the preceding claims, characterized in that the control valves and/or the pilot control valves (10) can be driven by a real-time computer (12).
  6. Control device according to Claim 5, characterized in that the real-time computer (12) is assigned a memory (13), which contains characteristic curves describing the deposition behaviour of the sheets as a function of sheet parameters and machine speed, which the real-time computer retrieves by using operating data that are entered.
  7. Control device according to one of Claims 1 to 4, characterized in that, with the aid of an electric rotary encoder driven by the press, an electric control pulse is generated in order to actuate the control valves and/or the pilot control valves.
EP99102140A 1998-02-14 1999-02-03 Device for controlling sheet knocking-up means Expired - Lifetime EP0936170B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19806100A DE19806100C2 (en) 1998-02-14 1998-02-14 Arrangement for controlling two or more sheet straight pushers in the delivery of a sheet-processing printing machine
DE19806100 1998-02-14

Publications (3)

Publication Number Publication Date
EP0936170A2 EP0936170A2 (en) 1999-08-18
EP0936170A3 EP0936170A3 (en) 2002-12-11
EP0936170B1 true EP0936170B1 (en) 2006-01-04

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ID=7857736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102140A Expired - Lifetime EP0936170B1 (en) 1998-02-14 1999-02-03 Device for controlling sheet knocking-up means

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EP (1) EP0936170B1 (en)
JP (1) JPH11268860A (en)
AT (1) ATE314997T1 (en)
DE (2) DE19806100C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693270A5 (en) * 1999-04-01 2003-05-15 Bobsts A Device for moving alternately and phase enopposition two alignment members.
JP2003203967A (en) 2001-12-28 2003-07-18 Toshiba Corp Method for forming partial soi wafer, semiconductor device and its manufacturing method
DE102008054815A1 (en) 2008-12-17 2010-07-01 Koenig & Bauer Aktiengesellschaft Device for aligning sheets in extension arm of sheet processing machine i.e. printing machine, has linear motor whose movement range corresponds to half of difference between maximum and minimum sizes of sheet

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252079A (en) * 1969-03-12 1971-11-03
DD141151A1 (en) * 1979-02-01 1980-04-16 Hartmut Nagel STRAIGHT PUNCH FOR LATERAL ALIGNMENT OF BOW IN BOWERS
DE3413179C2 (en) * 1984-04-07 1995-02-23 Roland Man Druckmasch Control and regulating device of a sheet delivery for sheet processing machines, in particular for sheet printing machines
DD224297A1 (en) * 1984-06-01 1985-07-03 Polygraph Leipzig PNEUMATIC STRAIGHT ELEMENT
DE3530657C2 (en) * 1985-08-28 1995-03-16 Westfalia Becorit Ind Tech Device for controlling hydraulic consumers used in underground mining
DE4001565A1 (en) * 1990-01-20 1991-07-25 Heidelberger Druckmasch Ag Paper sheet feed for printing machine - avoids damaging paper edges by using computer to control movable paper stop and movable paper trap
US5653155A (en) * 1996-01-29 1997-08-05 Caterpillar Inc. Method and apparatus for single lever control of multiple actuators
DE19616422C1 (en) * 1996-04-25 1997-04-30 Kba Planeta Ag Equipment to control side stops
DE29710873U1 (en) * 1997-06-21 1997-08-14 MAN Roland Druckmaschinen AG, 63075 Offenbach Delivery device for sheet-shaped printing materials on a printing machine

Also Published As

Publication number Publication date
EP0936170A2 (en) 1999-08-18
DE59913004D1 (en) 2006-03-30
EP0936170A3 (en) 2002-12-11
ATE314997T1 (en) 2006-02-15
DE19806100A1 (en) 1999-09-09
DE19806100C2 (en) 1999-12-09
JPH11268860A (en) 1999-10-05

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