EP0129637B1 - Device for the reliable shifting of a perfecting printing machine - Google Patents

Device for the reliable shifting of a perfecting printing machine Download PDF

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Publication number
EP0129637B1
EP0129637B1 EP84102209A EP84102209A EP0129637B1 EP 0129637 B1 EP0129637 B1 EP 0129637B1 EP 84102209 A EP84102209 A EP 84102209A EP 84102209 A EP84102209 A EP 84102209A EP 0129637 B1 EP0129637 B1 EP 0129637B1
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EP
European Patent Office
Prior art keywords
clamping
change
over
locking
press
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
Application number
EP84102209A
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German (de)
French (fr)
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EP0129637A2 (en
EP0129637A3 (en
Inventor
Josef Mathes
Paul Abendroth
Roland Höll
Wolfgang Seikel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT84102209T priority Critical patent/ATE34339T1/en
Publication of EP0129637A2 publication Critical patent/EP0129637A2/en
Publication of EP0129637A3 publication Critical patent/EP0129637A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a device on a sheet-fed rotary printing press with a storage drum and a turning drum. to secure the changeover process from the setting for straight printing to fine and low pressure and vice versa by electrically securing the machine during the changeover on the reversing drum and the adjustment process on the storage drum.
  • the sheet In sheet-fed rotary printing presses with devices for turning the sheet, the sheet is transported in straight printing operation in the normal way via an intermediate drum, a storage drum and a turning drum between two printing units. If the sheet is to be printed on the front and back, the sheet transport must be changed. With the so-called trailing edge application, the sheet between the storage drum and the reversing drum must be transferred with the trailing edge.
  • the gripper mechanism on the reversing drum must be switched over so that the sheet is removed from the reversing grippers during transport, transferred to the straight-printing grippers and transferred from the register to the printing cylinder of the next printing unit.
  • the storage drum must also be moved so that the sheet is held by the grippers beyond the original transfer time in straight printing.
  • a known device according to DE-PS-2 620 392 has electromechanical means for securing a printing press when converting from straight printing to perfecting.
  • the turning drum is secured against turning when the storage drum is turned by a locking lever engaging in a locking pin on the drive wheel of the turning drum.
  • the adjustment of the gripper control, here the cam rollers, on the turning drum is secured in the respective end positions by a stop on limit switches.
  • the adjustment of the control cams of the storage drum is controlled simultaneously with the rotation of the storage drum itself via a toothed segment, the rotation of which is secured electromechanically and dependent on the gripper control.
  • the limit switches for sensing the position of the gripper controls on the turning and storage drum and for sensing the actuation of the actuating means or the anti-rotation device of the turning drum are connected in series in a logical AND link and interrupt the energy supply if the process is not coordinated.
  • a disadvantage of this device is the assignment of different mechanical means for sensing the respective setting position.
  • the toothed segment for adjusting the control cams on the storage drum must be expanded to form a complete cam disk in order to attach touch surfaces for the necessary limit switch.
  • Lever mechanisms are also required to secure the turning drum and the gripper control on the turning drum.
  • the main disadvantage is that access to the actuating means remains free for the changeover and cannot be prevented that actuating operations are carried out in an uncontrolled manner at an undesired time.
  • the invention is therefore based on the object of eliminating all uncertainty factors, even when changing over from a central location, and of improving the protection so that mechanical switching means become superfluous. Above all, mechanical switching and actuating means should no longer intervene in the drive in such a way that settings have to be made within the machine.
  • the object is achieved in that, to secure access to the changeover devices, depending on a basic position of the machine, electrical switching means are provided, that the changeover devices are assigned electrical switching means for monitoring their clamping, which block the machine run when the clamping on the storage and turning drum is incompletely actuated That to secure the setting of the gripper of the storage drum to the transfer position in the face-to-face position and the smoothing devices at the end of the sheet in the perfecting and counter-printing position, further electrical switching means are provided and the switching means are connected to one another in such a way that, after the changeover process has taken place, the machine run only depends on the locking of the clamping of the Gear train on the turning drum, a visual display of the correct and accurate setting of the storage and turning drum and the locking of access to the changeover devices is released.
  • Contactless proximity switches are provided as electrical switching means for querying the basic position of the turning drum, the fine pressure position of the storage drum, the counterpressure position of the smoothing devices for the turning drum and the clamping of the position of the smoothing devices.
  • the clamping of the gear train and the switching of the control devices of the turning drum are secured with limit switches and can be locked by magnets.
  • the changeover device can be closed by means of a flap, the machine running or any changeover processes being possible only if the flap lock permits this, i.e. if the flap is locked either in the open position or in the closed position.
  • the advantage of this device is that the changeover devices for the changeover of the sheet-fed rotary printing press from straight printing to face and reverse printing are not readily accessible. They are closed by a flap during machine operation, which flap is locked electromagnetically. So it cannot happen that the machine changeover is unauthorized during machine operation.
  • the arrangement of contactless proximity switches for querying the position of individual elements on the reversing drum and storage drum is also very advantageous. This means, for example, that no mechanical aids that intervene in the gearbox of the machine have to be used and central operation during the changeover is possible.
  • the protection of the changeover is completed by the fact that changeover elements can be locked by electromagnets.
  • Fig. 1 the individual switching means are shown in their assignment to the turning drum 1 and the storage drum 2.
  • the switching means are protected by a flap 3.
  • an electromagnet 4, for locking, and a limit switch 5, for checking the position, are provided on the flap 3.
  • a flag 6 is attached to the turning drum 1, which cooperates with a proximity switch 7 on the machine housing.
  • the proximity switch 7 indicates the basic position for the turning drum 1.
  • a central clamping screw 8 is provided on the turning drum 1 for separating the gear train. With the help of the clamping screw 8, a double gear can be decoupled from the turning drum 1, so that the gear train between the turning drum 1 and the storage drum 2 is separated.
  • the clamping screw 8 acts on a sprung clamping disc 9.
  • the clamping disc 9 is secured by a locking washer 10, in which the switching rod of an electromagnet 11 engages for locking.
  • a limit switch 12 queries its position.
  • the control cams on the turning drum 1 are switched over a shift lever 13 during the changeover.
  • the property 15 is fastened on the selector shaft 14.
  • the position of the property 15 is queried by a double limit switch 19.
  • a switching flag 20 is attached to the smoothing device 21 on the storage drum 2.
  • the switching flag 20 works together with a proximity switch 22, which is attached to the machine housing corresponding to the transfer position between the storage drum 2 and the reversing drum 1.
  • Fixed to the holder of a gripper shaft 23 is a further switching flag 24 on the storage drum 2, which cooperates with a proximity switch 25 on the machine housing.
  • the proximity switches 22 and 25 give in the Basic position of the machine, which is determined by the proximity switch 7 on the reversing drum, the transfer position of the storage drum 2 to the reversing drum 1 in the printing and printing mode for the selected format and generally in front printing.
  • an induction switch 26 is provided corresponding to the format scale 44 on the storage drum 2 for protection.
  • Fig. 2 the securing of the clamping screw 8 for the gear train separation is shown in more detail.
  • the clamping screw 8 acts on a spring washer 9 on spring assemblies, which cause the clamping of a double gear.
  • the clamping disk 9 is slightly moved axially. But this is only possible if the safety washer 10 is turned away from its securing position.
  • the locking washer 10 is provided with a locking plate 27 which is in the locking position at a short distance from the clamping washer 9. This position is only possible if the gear train is fully and correctly clamped, i.e. when the clamping disc 9 is pressed down far enough.
  • the cushioning and the securing by the securing plate 27 ensure that the gear train is always clamped with a constant clamping force.
  • a bore 28 is made, into which a locking pin 29 engages that of the electromagnet 11.
  • the locking pin 29 is mounted in a guide 30 for this purpose.
  • a switching curve 31, which cooperates with the limit switch 12, is attached to the circumference of the locking washer 10.
  • the limit switch 12 indicates in this way when the clamping of the double gear on the turning drum 1 is not secured.
  • the locking washer 10 can only be turned back into the locking position when the clamping of the gear train has been carried out completely and thus the locking washer 9 has been pressed down so far that the locking plate 27 can be pivoted away over it.
  • Fig. 3 the protection of the conversion of the control cams on the turning drum 1 is shown in more detail.
  • the hub 15 is pinned on the selector shaft 14, on which the resetting of the curve conversion acts.
  • Switch cams 16, 17, which cooperate with the double limit switch 19, are also arranged on the hub 15.
  • the limit switch 19 queries the respective operating position of the control cams on the turning drum 1.
  • the electromagnet 18 is also used, which can insert a locking pin 32 for locking the selector shaft 14 into a bore 33 in the machine housing.
  • the locking pin 32 is mounted in the guide 15 in the guide 34.
  • the position of the control shaft 14 in the operating position fine print and in the fine and reverse printing operating position can thus be locked via the electromagnet 18, the respective operating position being queried electrically via the double limit switch 19.
  • a clamping device 36 is rotatably mounted within the drum shaft 35 in the storage drum 2.
  • the clamping device 36 acts on clamping elements in the interior of the storage drum 2 and secures the smoothing device 21 against rotation relative to the drum shaft 35.
  • control bevels 37 are incorporated, which work together with spring bolts 38.
  • the spring bolts 38 are arranged in the drive wheel 39 of the storage drum 2 and carry the format scale 44 for setting the format on the storage drum 2.
  • the induction switch 26 is attached near the outer circumference of the format scale 44.
  • the spring bolts 38 are thus pressed out of the drive gear 39 and in this way raise the format scale 44 axially to the storage drum 2. This also changes the position of the circumference of the format scale 44 relative to the induction switch 26 and the induction switch 26 registers that the smoothing devices 21 are no longer clamped.
  • a key stop 40 can then be inserted with the aid of a two-position key and the two-position key then engages in the format adjustment 41.
  • the format indicator 42 on the format scale 44 shows the respective position of the smoothing devices 21 in the storage drum 2.
  • the smoothing device 21 on the drum shaft 35 is provided with a switching flag 20.
  • the proximity switch 22 is arranged on the machine housing corresponding to this switching flag 20. When the smoothing device 21 is set, the proximity switch 22 queries the position of the switching flag 20 and thus also indicates the position of the smoothing device 21.
  • the proximity switch 22 is mounted in relation to the upper position 43 on the machine housing in such a way that the later transfer position of the trailing edge of the sheet during perfecting can be derived from the basic position of the machine, which is indicated by the proximity switch 7 on the turning drum 1. In this way it is ensured that the smoothing device 21 as far as the sheet possible at the end and can hand it over when tightening the bow.
  • the changeover from the operating position for face printing to the operating position for face and reverse printing is as follows.
  • the machine To initiate the changeover, the machine must be switched off, locked and the brake released using a selector switch 47 (FIG. 6). Then the machine is turned to the basic position, which is determined by the proximity switch 7. In the basic position, an optical display 45 lights up in the push button box.
  • the electromagnet 4 on the flap 3 is switched on, so that the flap 3 can be opened.
  • the electromagnet 18 is switched on the handle 15, so that the lock is released.
  • the reversing drum 1 can thus also be switched over.
  • the limit switch 5 switches. The electromagnet 4 is switched off and the flap 3 can no longer be closed.
  • the limit switch 19 is actuated and locked, by switching on the electromagnet 18, the hub 15 on the machine housing.
  • the electromagnet 11 is switched for locking the locking washer 10 and releases it.
  • the locking washer 10 can thus be pivoted away.
  • the limit switch 12 is actuated and the machine is thereby blocked.
  • the clamping screw 8 can be loosened, whereby the gear train is separated.
  • the printing unit 1 can now be set to the desired format relative to the printing unit 11 on a pulley of the drive.
  • the display is shown on a scale of the turning drum 1.
  • the clamping screw 8 of the turning drum 1 is tightened again, whereby the gear train is connected again.
  • the locking washer 10 can be swiveled in again, whereby the clamping is secured.
  • This position is sensed by the limit switch 12 and the machine is released again.
  • the clamping is now released via the clamping device 36 with the aid of a two-position key.
  • the induction switch 26 switches due to the axial displacement of the format scale 44 and the machine run is blocked again.
  • the storage drum 2 is set to the desired format in accordance with the format pointer 42.
  • the format is fine-tuned using the proximity switch 22 and an optical display 46 in the push button box.
  • the proximity switch 22 acknowledges this by the fact that the optical display 46 lights up in the push button box. If both optical displays 45, 46 light up, the transfer position is set exactly. This also ensures that the counterpressure grippers do not strike the smoothing device 21 during the transfer.
  • the flap 3 can only be closed when both settings have been made exactly. Before that, the storage drum 2 is clamped again via the clamping device 36, so that the smoothing device 21 remains set in the selected format length. By moving the format scale 44 axially to the storage drum 2 again, the induction switch 26 switches and releases the machine again. This also turns on the electromagnet 4 and the flap 3 can now be closed.
  • the limit switch 5 responds again and acknowledges the new state by releasing the machine.
  • a gripper opening curve on the storage drum 2 must now be adjusted according to the format length via a handwheel and a position indicator. This function does not have to be secured, as here the sheet that was transported may be gripped too early or too late, i.e. in the end it may not be transported any further. However, there is no damage to the machine. In the event of a malfunction, the setting can easily be corrected afterwards.
  • the selector switch 47 again, the gear train separation via the electromagnet 11 is blocked, the flap 3 is secured with the electromagnet 4, the optical indicators 45, 46 in the push-button box go out and the machine run is finally released. Now only the smoothing device 21 has to be supplied with air according to its function and the machine is ready for operation.
  • FIG. 6 An operating position for the current path 48 of the power supply to the machine can be controlled from the selector switch 47 via the switching point A.
  • the current path 48 at the switching point A is interrupted and signals are sent to set the proximity switches 22, 25 to the desired operating state, to the magnet 4 for unlocking the cover 3 and to the magnet 18 for unlocking the curve switch on the turning drum 1.
  • switching points B, C These are only closed when the machine is in the basic position and the proximity switch 7 on the turning drum 1 indicates this. Then the optical display 45 lights up and the magnets 4, 18 mentioned attract. Switching point D is closed at the same time. The flap 3 can now be opened.
  • the limit switch 5 switches and interrupts the current path 48 at switching point E.
  • the double limit switch 19 When switching the curves on the turning drum 1, which is indeed unlocked, the double limit switch 19 is actuated. His signal. switches the magnet 11 to unlock the lock washer 10 at the clamp of the turning drum 1 and lets the magnet 18 fall off at the curve switch so that it is locked. Now the locking washer 10 can be turned away. The limit switch 12 is thus actuated and the current path 48 is interrupted at the switching point F. After setting the format, reclamping and turning back the locking washer 10, the limit switch 12 switches again and closes the switching point F. Then the storage drum 2 can be changed over. When the clamping device 36 is released, the induction switch 26 switches and opens the switching point G in the current path 48 and the switching point H in the control line of the magnet 4. The format setting of the smoothing devices 21 can then be carried out.
  • the proximity switch 22 shows on the display 45 when the exact setting has been reached.
  • Switching point 1 in one control line of magnet 4 is closed.
  • the proximity switch 25 switches again and the switching points G and H are closed again.
  • the control line of the magnet 4 with the switching points D, H and I is now switched through and the magnet 4 picks up.
  • the flap 3 can now close.
  • the selector switch 47 can be returned to the normal position.
  • the magnet 4 is activated and the flap 3 is locked.
  • the limit switch 5 simultaneously closes the switching point E in the current path 48.
  • the displays 45, 46 are deleted and the magnet 11 is released, so that the clamping of the turning drum 1 is locked. All switching points A, E, F, G in current path 48 are thus closed and machine operation is released.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Handling Of Cut Paper (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Soil Working Implements (AREA)

Abstract

The turning cylinder and storage cylinder in a perfecting printing press is provided with changeover mechanisms having spring-loaded electromagnetically releasable latches and sensors for detecting latched adjustments. Moreover, a contactless sensor is provided for detecting clamping of the calendering suckers in the storage cylinder even when the cylinder is rotating. Contactless proximity switches determine the correct phase adjustments between the storage cylinder and the turning cylinder for both perfecting and first form printing. An access door and interlock guarantees that the cylinders are turned to a normal position and braked before the access door is opened, and the access door cannot be closed for subsequent printing until changeover has been completed. An indicator array indicates the sequence of adjustments to follow and abnormal conditions.

Description

Die Erfindung betrifft eine Einrichtung an einer Bogenrotationsdruckmaschine mit einer Speichertrommel und einer Wendetrommel. zum Absichern des Umstellvorgangs von der Einstellung für Schöndruck auf Schön- und Niderdruck und umgekehrt durch elektrische Sicherung der Maschine während der Umstellung an der Wendetrommel und des Verstellvorgangs an der Speichertrommel.The invention relates to a device on a sheet-fed rotary printing press with a storage drum and a turning drum. to secure the changeover process from the setting for straight printing to fine and low pressure and vice versa by electrically securing the machine during the changeover on the reversing drum and the adjustment process on the storage drum.

In Bogenrotationsdruckmaschinen mit Einrichtungen zur Bogenwendung wird der Bogen im reinen Schöndruckbetrieb auf normalem Weg über eine Zwischentrommel, eine Speichertrommel und eine Wendetrommel zwischen zwei Druckwerken transportiert. Wenn der Bogen vor- und rückseitig bedruckt werden soll, muß der Bogentransport umgestellt werden. Bei der sogenannten Hinterkantenwendung muß der Bogen zwischen Speichertrommel und Wendetrommel mit der Hinterkante übergeben werden. Dazu ist an der Wendetrommel der Greifermechanismus umzustellen, so daß der Bogen beim Transport von den Wendegreifern abgenommen, an die Schöndruckgreifer übergeben und von diesen registergenau an den Druckzylinder des nächsten Druckwerkes übergeben wird. Die Speichertrommel muß ebenfalls umgestellt werden, so daß der Bogen von den Greifern über den ursprünglichen Übergabezeitpunkt im Schöndruckbetrieb hinaus festgehalten wird. Er darf erst losgelassen werden, wenn die Wendegreifer der Wendetrommel das Bogenende gefaßt haben. Weiter ist es dazu notwendig, den Bogen auf der Speichertrommel straff zu halten, damit die Bogenwendung registergenau zustande kommt. Der Umstellvorgang ist recht komplex und muß sicher durchgeführt werden, um ungenaue Drucke, Fehler beim Transport und Schäden an der Maschine zu vermeiden. Dazu ist eine Absicherung der Umstellvorgänge in Abhängigkeit voneinander notwendig, damit ein Betrieb der Maschine nur nach vollständig ausgeführter Umstellung und richtig ausgeführten Umstellvorgängen möglich ist.In sheet-fed rotary printing presses with devices for turning the sheet, the sheet is transported in straight printing operation in the normal way via an intermediate drum, a storage drum and a turning drum between two printing units. If the sheet is to be printed on the front and back, the sheet transport must be changed. With the so-called trailing edge application, the sheet between the storage drum and the reversing drum must be transferred with the trailing edge. For this purpose, the gripper mechanism on the reversing drum must be switched over so that the sheet is removed from the reversing grippers during transport, transferred to the straight-printing grippers and transferred from the register to the printing cylinder of the next printing unit. The storage drum must also be moved so that the sheet is held by the grippers beyond the original transfer time in straight printing. It may only be released when the turning grippers of the turning drum have caught the end of the bow. It is also necessary to keep the sheet taut on the storage drum so that the sheet turning takes place in register. The changeover process is quite complex and must be carried out safely in order to avoid inaccurate prints, errors during transport and damage to the machine. For this purpose, the changeover processes must be secured depending on each other so that the machine can only be operated after the changeover has been carried out completely and the changeover processes have been carried out correctly.

Eine bekannte Einrichtung nach der DE-PS-2 620 392 weist zur Absicherung einer Druckmaschine bei der Umstellung von Schöndruck auf Schön- und Widerdruck elektromechanische Mittel auf. Dabei wird die Wendetrommel beim Verdrehen der Speichertrommel gegen Verdrehen gesichert, indem ein Sperrhebel in einem Sperrbolzen am Antriebsrad der Wendetrommel einrastet. Die Verstellung der Greifersteuerung, hier der Kurvenrollen, an der Wendetrommel ist in den jeweiligen Endstellungen durch Anschlag an Endschaltern abgesichert. Die Verstellung der Steuerkurven der Speichertrommel wird gleichzeitig mit der Verdrehung der Speichertrommel selbst über ein Zahnsegment gesteuert, dessen Verdrehung elektromechanisch und von der Greifersteuerung abhängig abgesichert ist. Die Endschalter für die Abfühlung der Stellung der Greifersteuerungen an Wende- und Speichertrommel und für die Abfühlung der Betätigung der Stellmittel bzw. der Verdrehsicherung der Wendetrommel sind in einer logischen Und-Verknüpfung in Reihe geschaltet und unterbrechen die Energieversorgung bei nicht koordiniertem Ablauf.A known device according to DE-PS-2 620 392 has electromechanical means for securing a printing press when converting from straight printing to perfecting. The turning drum is secured against turning when the storage drum is turned by a locking lever engaging in a locking pin on the drive wheel of the turning drum. The adjustment of the gripper control, here the cam rollers, on the turning drum is secured in the respective end positions by a stop on limit switches. The adjustment of the control cams of the storage drum is controlled simultaneously with the rotation of the storage drum itself via a toothed segment, the rotation of which is secured electromechanically and dependent on the gripper control. The limit switches for sensing the position of the gripper controls on the turning and storage drum and for sensing the actuation of the actuating means or the anti-rotation device of the turning drum are connected in series in a logical AND link and interrupt the energy supply if the process is not coordinated.

Nachteilig an dieser Einrichtung ist die Zuordnung von verschiedenen mechanischen Mitteln zur Abfühlung der jeweiligen Einstellage. So muß das Zahnsegment zur Verstellung der Steuerkurven an der Speichertrommel zu einer vollständigen Kurvenscheibe erweitert werden, um Tastflächen für den notwendigen Endschalter anzubringen. Weiterhin sind Hebelmechanismen für die Sicherung der Wendetrommel und der Greifersteuerung an der Wendetrommel notwendig. Nachteilig ist vor allem, daß der Zugang zu den Stellmitteln für die Umstellung frei bleibt und nicht verhindert werden kann, daß zu einem unerwünschten Zeitpunkt Stellvorgänge unkontrolliert vorgenommen werden. Außerdem kann nicht sichergestellt werden, daß die Entkopplung zwischen den Druckwerken, durch die die Formateinstellung an der Speichertrommel gegenüber der Wendetrommel erst möglich wird, nach der Umstellung wieder beseitigt und der Getriebezug wieder ordnungsgemäß angekoppelt wird.A disadvantage of this device is the assignment of different mechanical means for sensing the respective setting position. For example, the toothed segment for adjusting the control cams on the storage drum must be expanded to form a complete cam disk in order to attach touch surfaces for the necessary limit switch. Lever mechanisms are also required to secure the turning drum and the gripper control on the turning drum. The main disadvantage is that access to the actuating means remains free for the changeover and cannot be prevented that actuating operations are carried out in an uncontrolled manner at an undesired time. In addition, it cannot be ensured that the decoupling between the printing units, which only makes it possible to set the format on the storage drum with respect to the reversing drum, is eliminated again after the changeover and the gear train is properly coupled again.

Der Erfindung liegt daher die Aufgabe zugrunde, alle Unsicherheitsfaktoren, auch bei Umstellung von einem zentralen Standort aus, zu beseitigen und die Absicherung so zu verbessern, daß mechanische Schaltmittel überflüssig werden. Vor allem sollen auch keine mechanischen Schalt- und Stellmittel mehr so in den Antrieb eingreifen, daß innerhalb der Maschine Einstellungen vorgenommen werden müssen.The invention is therefore based on the object of eliminating all uncertainty factors, even when changing over from a central location, and of improving the protection so that mechanical switching means become superfluous. Above all, mechanical switching and actuating means should no longer intervene in the drive in such a way that settings have to be made within the machine.

Die Aufgabe wird dadurch gelöst, daß zur Absicherung des Zugangs zu den Umstellvorrichtungen abhängig von einer Grundstellung der Maschine elektrische Schaltmittel vorgesehen sind, daß den Umstellvorrichtungen elektrische Schaltmittel zur Überwachung ihrer Klemmung zugeordnet sind, die bei unvollständig betätigter Klemmung an Speicher- und Wendetrommel den Maschinenlauf blockieren, daß zur Absicherung der Einstellung der Greifer der Speichertrommel zur Übergabeposition in Schöndruckstellung und der Glättvorrichtungen zum Bogenende in Schön-und Widerdruckstellung weitere elektrische Schaltmittel vorgesehen und die Schaltmittel so untereinander verbunden sind, daß nach erfolgtem Umstellvorgang den Maschinenlauf erst abhängig von der Verriegelung der Klemmung des Getriebezuges an der Wendetrommel, einer optischen Anzeige der richtig und genau erfolgten Einstellung von Speicher- und Wendetrommel und der Verriegelung des Zugangs zu den Umstellvorrichtungen freigegeben wird.The object is achieved in that, to secure access to the changeover devices, depending on a basic position of the machine, electrical switching means are provided, that the changeover devices are assigned electrical switching means for monitoring their clamping, which block the machine run when the clamping on the storage and turning drum is incompletely actuated That to secure the setting of the gripper of the storage drum to the transfer position in the face-to-face position and the smoothing devices at the end of the sheet in the perfecting and counter-printing position, further electrical switching means are provided and the switching means are connected to one another in such a way that, after the changeover process has taken place, the machine run only depends on the locking of the clamping of the Gear train on the turning drum, a visual display of the correct and accurate setting of the storage and turning drum and the locking of access to the changeover devices is released.

Als elektrische Schaltmittel für die Abfrage der Grundstellung der Wendetrommel, der Schöndruckstellung der Speichertrommel, der Widerdruckstellung der Glättvorrichtungen zur Wendetrommel und der Klemmung der Stellung der Glättvorrichtungen sind berührungslose Näherungsschalter vorgesehen. Die Klemmung des Getriebezuges und die Umschaltung der Steuervorrichtungen der Wendetrommel sind mit Endschaltern abgesichert und durch Magnete verriegelbar. Die Umstellvorrichtung sind mit Hilfe einer Klappe verschließbar, wobei der Maschinenlauf oder irgendwelche Umstellvorgänge nur möglich sind, wenn die Klappenverriegelung dies zu läßt, d.h. wenn die Klappe entweder in offener Stellung oder in geschlossener Stellung verriegelt ist.Contactless proximity switches are provided as electrical switching means for querying the basic position of the turning drum, the fine pressure position of the storage drum, the counterpressure position of the smoothing devices for the turning drum and the clamping of the position of the smoothing devices. The clamping of the gear train and the switching of the control devices of the turning drum are secured with limit switches and can be locked by magnets. The changeover device can be closed by means of a flap, the machine running or any changeover processes being possible only if the flap lock permits this, i.e. if the flap is locked either in the open position or in the closed position.

Vorteilhaft an dieser Einrichtung ist, daß die Umstellvorrichtungen für die Umstellung der Bogenrotationsdruckmaschine von Schöndruck auf Schön- und Widerdruck nicht ohne weiteres zugänglich sind. Sie werden durch eine Klappe während des Maschinenbetriebes verschlossen, wobei diese Klappe elektromagnetisch verriegelt ist. Es kann also nicht vorkommen, daß im Maschinenbetrieb unbefugt in die Umstellung der Maschine eingegriffen wird. Sehr vorteilhaft ist auch die Anordnung von berührungslosen Näherungsschaltern zur Abfrage der Stellung einzelner Elemente an Wendetrommel und Speichertrommel. Damit müssen beispielsweise keine mechanische Hilfsmittel, die in das Getriebe der Maschine eingreifen, verwendet werden und es wird eine zentrale Bedienung bei der Umstellung möglich. Die Absicherung der Umstellung wird dadurch vervollständigt, daß Umstellelemente durch Elektromagnete verriegelbar sind. So können weder die Klappe, noch die Klemmung des Getriebezuges an der Wendetrommel oder der Schalthebel zum Umschalten der Steuerkurven der Wendetrommel während des Betriebs in unzulässiger Weise betätigt werden. Durch die Zusammenschaltung der verschiedenen Endschalter, Näherungsschalter und Elektromagnete wird sichergestellt, daß alle zur Umstellung notwendigen Vorgänge vollständig durchgeführt werden. So wird auch berücksichtigt, daß die Glättvorrichtungen in Beziehung zu den Greifern auf der Speichertrommel vollkommen exakt eingestellt werden. Die optische Anzeige der richtigen Einstellung der Wendetrommel in ihrer Grundstellung und der Glättsegmente in ihrer Widerdruckstellung bewirkt eine zusätzliche Vereinfachung für den Bedienungsmann an der Maschine, da er in seinem Tastenfeld sofort erkennen kann, ob der Betriebszustand korrekt oder unkorrekt ist. Dadurch, daß mechanisch in das Getriebe eingreifende Schaltmittel vermieden werden, ist sichergestellt, daß unzulässige Betriebszustände bei denen Maschinenschäden auftreten könnten, nicht eintreten können.The advantage of this device is that the changeover devices for the changeover of the sheet-fed rotary printing press from straight printing to face and reverse printing are not readily accessible. They are closed by a flap during machine operation, which flap is locked electromagnetically. So it cannot happen that the machine changeover is unauthorized during machine operation. The arrangement of contactless proximity switches for querying the position of individual elements on the reversing drum and storage drum is also very advantageous. This means, for example, that no mechanical aids that intervene in the gearbox of the machine have to be used and central operation during the changeover is possible. The protection of the changeover is completed by the fact that changeover elements can be locked by electromagnets. Neither the flap, nor the clamping of the gear train on the turning drum or the shift lever for switching the control cams of the turning drum can be actuated in an impermissible manner during operation. The interconnection of the various limit switches, proximity switches and electromagnets ensures that all the operations required for the changeover are carried out completely. It is also taken into account that the smoothing devices are set exactly exactly in relation to the grippers on the storage drum. The visual display of the correct setting of the turning drum in its basic position and the smoothing segments in its counterpressure position makes the operator on the machine even easier, since he can immediately see in his keypad whether the operating status is correct or incorrect. The fact that switching means which engage mechanically in the transmission ensures that impermissible operating states in which machine damage could occur cannot occur.

Die Einzelheiten der Einrichtung werden im folgenden in Figuren und einer Beschreibung näher erläutert.The details of the device are explained in more detail below in figures and a description.

Die Figuren enthalten im Einzelnen in

  • Fig. 1 eine schematische Skizze der Anordnung der Schaltmittel an Wendetrommel und Speichertrommel,
  • Fig. 2 eine Darstellung der Absicherung der Klemmung an der Wendetrommel,
  • Fig. 3 eine Darstellung der Absicherung der Umstellung der Steuerkurven an der Wendetrommel,
  • Fig. 4 eine Darstellung der Absicherung der Klemmung an der Speichertrommel,
  • Fig. 5 eine Darstellung der Stellungsabfrage der Glättsegmente durch einen berührungslosen Näherungsschalter,
  • Fig. 6 einen Schaltplan mit der Zusammenschaltung der einzelnen Schaltmittel.
The figures contain in detail in
  • 1 is a schematic sketch of the arrangement of the switching means on the turning drum and storage drum,
  • 2 shows the securing of the clamping on the turning drum,
  • 3 shows a representation of the protection of the conversion of the control cams on the turning drum,
  • 4 shows the securing of the clamping on the storage drum,
  • 5 shows a representation of the position query of the smoothing segments by a contactless proximity switch,
  • Fig. 6 is a circuit diagram with the interconnection of the individual switching means.

In der Fig. 1 sind die einzelnen Schaltmittel in ihrer Zuordnung zur Wendetrommel 1 und zur Speichertrommel 2 dargestellt. Die Schaltmittel sind durch eine Klappe 3 abgesichert. An der Klappe 3 sind ein Elektromagnet 4, zur Verriegelung, und ein Endschalter 5, zur Stellungsabfrage, vorgesehen. An der Wendetrommel 1 ist eine Fahne 6 angebracht, die mit einem Näherungsschalter 7 am Maschinengehäuse zusammenwirkt. Der Näherungsschalter 7 gibt die Grundstellung für die Wendetrommel 1 an. Für die Trennung des Getriebezuges ist an der Wendetrommel 1 eine zentrale Klemmschraube 8 vorgesehen. Mit Hilfe der Klemmschraube 8 kann ein Doppelzahnrad an der Wendetrommel 1 entkoppelt werden, so daß der Getriebezug zwischen Wendetrommel 1 und Speichertrommel 2 getrennt ist. Die Klemmschraube 8 wirkt auf eine abgefederte Klemmscheibe 9. Die Klemmscheibe 9 wird durch eine Sicherungsscheibe 10 abgesichert, in die die Schaltstange eines Elektromagneten 11 zur Verriegelung eingreift. Am Umfang der Sicherungsscheibe 10 fragt ein Endschalter 12 deren Stellung ab. Die Steuerkurven an der Wendetrommel 1 werden über einen Schalthebel 13 während der Umstellung umgeschaltet. Auf einer Schaltwelle 14 ist eine Habe 15 angebracht, die mit zwei Schaltnocken 16, 17 versehen ist und in die die Schaltstange eines weiteren Elektromagneten 18 zur Verriegelung eingreift. Die Habe 15 ist auf der Schaltwelle 14 befestigt. Die Stellung der Habe 15 wird durch einen doppelten Endschalter 19 abgefragt. Auf der Speichertrommel 2 schließlich ist eine Schaltfahne 20 mit der Glättvorrichtung 21 verbunden angebracht. Die Schaltfahne 20 arbeitet mit einem Näherungsschalter 22 zusammen, der am Maschinengehäuse korrespondierend zur Übergabestellung zwischen Speichertrommel 2 und Wendetrommel 1 angebracht ist. Fest mit der Halterung einer Greiferwelle 23 ist eine weitere Schaltfahne 24 auf der Speichertrommel 2 angebracht, die mit einem Näherungsschalter 25 am Maschinengehäuse zusammenarbeitet. Die Näherungsschalter 22 und 25 geben in der Grundstellung der Maschine, die durch den Näherungsschalter 7 an der Wendetrommel festgelegt ist, die Übergabeposition der Speichertrommel 2 zur Wendetrommel 1 bei der Betriebsart Schön- und Widerdruck für das gewählte Format und im Schöndruck generell vor. Für die Klemmung der Glättvorrichtung 21 ist korrespondierend mit der Formatskala 44 an der Speichertrommel 2 ein Induktionsschalter 26 zur Absicherung vorgesehen.In Fig. 1 the individual switching means are shown in their assignment to the turning drum 1 and the storage drum 2. The switching means are protected by a flap 3. On the flap 3, an electromagnet 4, for locking, and a limit switch 5, for checking the position, are provided. A flag 6 is attached to the turning drum 1, which cooperates with a proximity switch 7 on the machine housing. The proximity switch 7 indicates the basic position for the turning drum 1. A central clamping screw 8 is provided on the turning drum 1 for separating the gear train. With the help of the clamping screw 8, a double gear can be decoupled from the turning drum 1, so that the gear train between the turning drum 1 and the storage drum 2 is separated. The clamping screw 8 acts on a sprung clamping disc 9. The clamping disc 9 is secured by a locking washer 10, in which the switching rod of an electromagnet 11 engages for locking. At the circumference of the locking washer 10, a limit switch 12 queries its position. The control cams on the turning drum 1 are switched over a shift lever 13 during the changeover. On a selector shaft 14 there is an attachment 15 which is provided with two selector cams 16, 17 and into which the selector rod of another electromagnet 18 engages for locking. The property 15 is fastened on the selector shaft 14. The position of the property 15 is queried by a double limit switch 19. Finally, a switching flag 20 is attached to the smoothing device 21 on the storage drum 2. The switching flag 20 works together with a proximity switch 22, which is attached to the machine housing corresponding to the transfer position between the storage drum 2 and the reversing drum 1. Fixed to the holder of a gripper shaft 23 is a further switching flag 24 on the storage drum 2, which cooperates with a proximity switch 25 on the machine housing. The proximity switches 22 and 25 give in the Basic position of the machine, which is determined by the proximity switch 7 on the reversing drum, the transfer position of the storage drum 2 to the reversing drum 1 in the printing and printing mode for the selected format and generally in front printing. For the clamping of the smoothing device 21, an induction switch 26 is provided corresponding to the format scale 44 on the storage drum 2 for protection.

In Fig. 2 ist die Absicherung der Klemmschraube 8 für die Getriebezugtrennung näher dargestellt. Die Klemmschraube 8 wirkt über eine Klemmscheibe 9 auf Federpakete, die die Klemmung eines Doppelzahnrades bewirken. Bei Lösung der Klemmschraube 8 wird die Klemmscheibe 9 leicht axial abgerückt. Das ist aber nur möglich, wenn die Sicheruhgsscheibe 10 aus ihrer Sicherungsposition weggedreht ist. Die Sicherungsscheibe 10 ist mit einer Sicherungsplatte 27 versehen, die in Sicherungsstellung in geringem Abstand zur Klemmscheibe 9 steht. Diese Stellung ist nur möglich, wenn die Klemmung des Getriebezuges vollständig und richtig ausgeführt, d.h. wenn die Klemmscheibe 9 weit genug heruntergedrückt ist. Durch die Abfederung und die Absicherung durch die Sicherungsplatte 27 wird sichergestellt, daß die Klemmung des Getriebezuges immer mit konstanter Klemmkraft erfolgt. An der Sicherungsscheibe 10 ist eine Bohrung 28 angebracht, in die ein Sicherungsstift 29 an der des Elektromagneten 11 eingreift. Der Sicherungsstift 29 ist dazu in einer Führung 30 gelagert. Am Umfang der Sicherungsscheibe 10 ist eine Schaltkurve 31 angebracht, die mit dem Endschalter 12 zusammenarbeitet. Der Endschalter 12 zeigt auf diese Weise an, wenn die Klemmung des Doppelzahnrades an der Wendetrommel 1 nicht gesichert ist. Die Sicherungsscheibe 10 läßt sich auch nur dann in die Sicherungsposition zurück drehen, wenn die Klemmung des Getriebezuges völlig ausgeführt ist und damit die Klemmscheibe 9 soweit heruntergedrückt ist, daß die Sicherungsplatte 27 über diese weggeschwenkt werden kann.In Fig. 2 the securing of the clamping screw 8 for the gear train separation is shown in more detail. The clamping screw 8 acts on a spring washer 9 on spring assemblies, which cause the clamping of a double gear. When the clamping screw 8 is loosened, the clamping disk 9 is slightly moved axially. But this is only possible if the safety washer 10 is turned away from its securing position. The locking washer 10 is provided with a locking plate 27 which is in the locking position at a short distance from the clamping washer 9. This position is only possible if the gear train is fully and correctly clamped, i.e. when the clamping disc 9 is pressed down far enough. The cushioning and the securing by the securing plate 27 ensure that the gear train is always clamped with a constant clamping force. On the locking washer 10, a bore 28 is made, into which a locking pin 29 engages that of the electromagnet 11. The locking pin 29 is mounted in a guide 30 for this purpose. A switching curve 31, which cooperates with the limit switch 12, is attached to the circumference of the locking washer 10. The limit switch 12 indicates in this way when the clamping of the double gear on the turning drum 1 is not secured. The locking washer 10 can only be turned back into the locking position when the clamping of the gear train has been carried out completely and thus the locking washer 9 has been pressed down so far that the locking plate 27 can be pivoted away over it.

In Fig. 3 ist die Absicherung der Umstellung der Steuerkurven an der Wendetrommel 1 näher dargestellt. Auf der Schaltwelle 14 ist die Nabe 15 verstiftet, an der die Rückstellung der Kurvenumstellung angreift. An der Nabe 15 sind außerdem Schaltnocken 16,17 angeordnet, die mit dem doppelten Endschalter 19 zusammenarbeiten. Der Endschalter 19 fragt die jeweilige Betriebsstellung der Steuerkurven an der Wendetrommel 1 ab. In der Nabe 15 ist weiterhin der Elektromagnet 18 eingesetzt, der einen Sicherungsstift 32 zur Verriegelung der Schaltwelle 14 in eine Bohrung 33 im Maschinengehäuse einschieben kann. Der Sicherungsstift 32 ist dazu in der Habe 15 in einer Führung 34 gelagert. Die Stellung der Schaltwelle 14 in der Betriebsstellung Schöndruck und in der Betriebsstellung Schön- und Widerdruck kann somit über den Elektromagneten 18 verriegelt werden, wobei die jeweilige Betriebsstellung über den doppelten Endschalter 19 elektrisch abgefragt wird.In Fig. 3 the protection of the conversion of the control cams on the turning drum 1 is shown in more detail. The hub 15 is pinned on the selector shaft 14, on which the resetting of the curve conversion acts. Switch cams 16, 17, which cooperate with the double limit switch 19, are also arranged on the hub 15. The limit switch 19 queries the respective operating position of the control cams on the turning drum 1. In the hub 15, the electromagnet 18 is also used, which can insert a locking pin 32 for locking the selector shaft 14 into a bore 33 in the machine housing. The locking pin 32 is mounted in the guide 15 in the guide 34. The position of the control shaft 14 in the operating position fine print and in the fine and reverse printing operating position can thus be locked via the electromagnet 18, the respective operating position being queried electrically via the double limit switch 19.

In Fig. 4 ist die Absicherung der Klemmung für die Formateinstellung der Speichertrommel 2 näher dargestellt. Innerhalb der Trommelwelle 35 in der Speichertrommel 2 ist eine Klemmvorrichtung 36 drehbar gelagert. Die Klemmvorrichtung 36 wirkt auf Klemmelemente im Inneren der Speichertrommel 2 und sichert die Glättvorrichtung 21 gegen Verdrehen gegenüber der Trommelwelle 35. In die Klemmvorrichtung 36 sind Steuerschrägen 37 eingearbeitet, die mit Federbolzen 38 zusammenarbeiten. Die Federbolzen 38 sind im Antriebsrad 39 der Speichertrommel 2 angeordnet und tragen die Formatskala 44 für die Einstellung des Formates an der Speichertrommel 2. Nahe dem äußeren Umfang der Formatskala 44 ist der Induktionsschalter 26 angebracht. Wenn die Klemmvorrichtung 36 verdreht wird, geben die Steuerschrägen 37 die Federbolzen 38 frei. Damit werden die Federbolzen 38 aus dem Antriebszahnrad 39 herausgedrückt und heben auf diese Weise die Formatskala 44 axial zur Speichertrommel 2 an. Damit wird auch die Lage des Umfangs der Formatskala 44 zum induktionsschalter 26 verändert und der Induktionsschalter 26 registriert, daß die Glättvorrichtungen 21 nicht mehr geklemmt sind. Dann kann mit Hilfe eines Zweistellungsschlüssels ein Schlüsselanschlag 40 eingeschoben werden und der Zweistellungsschlüssel greift dann in die Formatverstellung 41 ein. Bei Verdrehung der Formatverstellung 41 zeigt der Formatanzeiger 42 auf der Formatskala 44 die jeweilige Stellung der, Glättvorrichtungen 21 in der Speichertrommel 2 an. Damit ist auf einfache Weise und ohne zusätzliche Hilfsmittel die Absicherung der Klemmung gelöst worden. Klemmung und Formateinstellung können von einer Stelle aus bedient werden. Der Schlüsselanschlag 40 dient zum sicheren Auswerfen des Zweistellungsschlüssels nach beendeter Verstellung an der Speichertrommel 2.In Fig. 4 the securing of the clamping for the format setting of the storage drum 2 is shown in more detail. A clamping device 36 is rotatably mounted within the drum shaft 35 in the storage drum 2. The clamping device 36 acts on clamping elements in the interior of the storage drum 2 and secures the smoothing device 21 against rotation relative to the drum shaft 35. In the clamping device 36, control bevels 37 are incorporated, which work together with spring bolts 38. The spring bolts 38 are arranged in the drive wheel 39 of the storage drum 2 and carry the format scale 44 for setting the format on the storage drum 2. The induction switch 26 is attached near the outer circumference of the format scale 44. When the clamping device 36 is rotated, the control bevels 37 release the spring bolts 38. The spring bolts 38 are thus pressed out of the drive gear 39 and in this way raise the format scale 44 axially to the storage drum 2. This also changes the position of the circumference of the format scale 44 relative to the induction switch 26 and the induction switch 26 registers that the smoothing devices 21 are no longer clamped. A key stop 40 can then be inserted with the aid of a two-position key and the two-position key then engages in the format adjustment 41. When the format adjustment 41 is rotated, the format indicator 42 on the format scale 44 shows the respective position of the smoothing devices 21 in the storage drum 2. Thus, the securing of the clamping has been solved in a simple manner and without additional aids. Clamping and format setting can be operated from one place. The key stop 40 is used to safely eject the two-position key after the adjustment on the storage drum 2.

In Fig. 5 wird beispielhaft die Absicherung einer Maschinenposition dargestellt. Die Glättvorrichtung 21 auf der Trommelwelle 35 ist mit einer Schaltfahne 20 versehen. Am Maschinengehäuse ist korrespondierend zu dieser Schaltfahne 20 der Näherungsschalter 22 angeordnet. Bei der Einstellung der Glättvorrichtung 21 fragt der Näherungsschalter 22 die Position der Schaltfahne 20 ab und gibt damit auch die Position der Glättvorrichtung 21 an. Der Näherungsschalter 22 ist so in Beziehung zur Obergabestellung 43 am Maschinengehäuse angebracht, daß von der Grundstellung der Maschine, die durch den Näherungsschalter 7 an der Wendetrommel 1 angegeben wird, die spätere Übergabeposition der Bogenhinterkante beim Schön- und Widerdruck abgeleitet werden kann. Auf diese Weise wird sichergestellt, daß die Glättvorrichtung 21 den Bogen soweit wie möglich am Ende hält und ihn so gestrafft bei der Bogenwendung übergeben kann.5, the securing of a machine position is shown as an example. The smoothing device 21 on the drum shaft 35 is provided with a switching flag 20. The proximity switch 22 is arranged on the machine housing corresponding to this switching flag 20. When the smoothing device 21 is set, the proximity switch 22 queries the position of the switching flag 20 and thus also indicates the position of the smoothing device 21. The proximity switch 22 is mounted in relation to the upper position 43 on the machine housing in such a way that the later transfer position of the trailing edge of the sheet during perfecting can be derived from the basic position of the machine, which is indicated by the proximity switch 7 on the turning drum 1. In this way it is ensured that the smoothing device 21 as far as the sheet possible at the end and can hand it over when tightening the bow.

Der Umstellvorgang von der Betriebsstellung für Schöndruck auf die Betriebsstellung für Schön- und Widerdruck läuft im Einzelnen wie folgt ab. Zur Einleitung der Umstellung muß die Maschine über einen Wahlschalter 47 (Fig. 6) abgeschaltet, verriegelt und die Bremse gelüftet werden. Dann wird die Maschine in die Grundstellung gedreht, die durch den Näherungsschalter 7 bestimmt ist. In Grundstellung leuchtet eine optische Anzeige 45 im Druckknopfkasten auf. Gleichzeitig wird der Elektromagnet 4 an der Klappe 3 eingeschaltet, so daß die Klappe 3 geöffnet werden kann. Außerdem wird der Elektromagnet 18 an der Habe 15 geschaltet, so daß die Verriegelung freigegeben wird. Damit kann auch die Wendetrommel 1 umgeschaltet werden. Beim Öffnen der Klappe 3 schaltet der Endschalter 5. Damit wird der Elektromagnet 4 ausgeschaltet und die Klappe 3 kann nun nicht mehr geschlossen werden. Dann wird über den Schalthebel 13 und die Schaltwelle 14 die Umstellung der Steuerkurven an der Wendetrommel 1 vorgenommen. Dabei wird der Endschalter 19 betätigt und verriegelt, durch Einschaltung des Elektromagneten 18, die Nabe 15 am Maschinengehäuse. Andererseits wird der Elektromagnet 11 für die Verriegelung der Sicherungsscheibe 10 geschaltet und gibt diese frei. Damit kann die Sicherungsscheibe 10 abgeschwenkt werden. Beim Abschwenken wird der Endschalter 12 betätigt und dadurch die Maschine blockiert. Nun kann die Klemmschraube 8 gelöst werden, womit der Getriebezug getrennt ist. An einer Riemenscheibe des Antriebs kann nun das Druckwerk 1 gegenüber dem Druckwerk 11 auf das gewünschte Format eingestellt werden. Die Anzeige erfolgt an einer Skala der Wendetrommel 1. Nun wird die Klemmschraube 8 der Wendetrommel 1 wieder angezogen, wodurch der Getriebezug wieder verbunden ist. Dann kann die Sicherungsscheibe 10 wieder eingeschwenkt werden, wodurch die Klemmung gesichert ist. Diese Stellung wird durch den Endschalter 12 abgefühlt und die Maschine wird wieder freigegeben. Damit ist die Umstellung an der Wendetrommel 1 beendet. An der Speichertrommel 2 wird nun über die Klemmvorrichtung 36 mit Hilfe eines Zweistellungsschlüssels die Klemmung gelöst. Der Induktionsschalter 26 schaltet durch die axiale Verschiebung der Formatskala 44 und der Maschinenlauf wird erneut blockiert. Durch Verschieben des Zweistellungsschlüssels in die innere Stellung gegen den Schlüsselanschlag 40 wird die Speichertrommel 2 auf das gewünschte Format entsprechend dem Formatzeiger 42 eingestellt. Die Feineinstellung des Formats erfolgt mit Hilfe des Näherungsschalters 22 und einer optischen Anzeige 46 im Druckknopfkasten. Wenn die Glättvorrichtung 21 exakt eingestellt ist, quittiert der Näherungsschalter 22 dies dadurch, daß die optische Anzeige 46 im Druckknopfkasten aufleuchtet. Wenn beide optischen Anzeigen 45,46 aufleuchten ist die Übergabestellung exakt eingestellt. Damit ist auch sichergestellt, daß die Widerdruckgreifer nicht in die Glättvorrichtung 21, bei, der Übergabe einschlagen. Erst wenn beide Einstellungen exakt vorgenommen sind, kann die Klappe 3 geschlossen werden. Vorher wird über die Klemmvorrichtung 36 die Speichertrommel 2 erneut geklemmt, so daß die Glättvorrichtung 21 in der gewählten Formatlänge eingestellt bleibt. Durch das erneute Verschieben der Formatskala 44 axial zur Speichertrommel 2 schaltet der Induktionsschalter 26 und gibt die Maschine wieder frei. Damit wird auch der Elektromagnet 4 eingeschaltet und die Klappe 3 kann nun geschlossen werden. Wenn die Klappe 3 geschlossen ist, spricht der Endschalter 5 wieder an und quittiert den neuen Zustand durch Freigabe der Maschine. Zusätzlich muß nun über ein Handrad und einen Stellungsanzeiger eine Greiferöffnungskurve an der Speichertrommel 2 entsprechend der Formatlänge verstellt werden. Diese Funktion muß nicht abgesichert werden, da hier allenfalls der transportierte Bogen zu früh oder zu spät gegriffen, d.h. im Endeffekt evtl. nicht weiter transportiert wird. Damit sind aber keine Maschinenschäden verbunden. Bei einer Fehlfunktion läßt sich die Einstellung leicht nachträglich korrigieren. Durch erneutes Umstellen des Wahlschalters 47 wird die Getriebezugtrennung über den Elektromagneten 11 blockiert, die Klappe 3 wird mit dem Elektromagneten 4 gesichert, die optischen Anzeigen 45,46 im Druckknopfkasten verlöschen und der Maschinenlauf wird endgültig freigegeben. Nun muß nur noch die Glättvorrichtung 21 entsprechend ihrer Funktion mit Luft versorgt werden und die Maschine ist betriebsbereit.The changeover from the operating position for face printing to the operating position for face and reverse printing is as follows. To initiate the changeover, the machine must be switched off, locked and the brake released using a selector switch 47 (FIG. 6). Then the machine is turned to the basic position, which is determined by the proximity switch 7. In the basic position, an optical display 45 lights up in the push button box. At the same time, the electromagnet 4 on the flap 3 is switched on, so that the flap 3 can be opened. In addition, the electromagnet 18 is switched on the handle 15, so that the lock is released. The reversing drum 1 can thus also be switched over. When the flap 3 is opened, the limit switch 5 switches. The electromagnet 4 is switched off and the flap 3 can no longer be closed. Then the switching of the control cams on the turning drum 1 is carried out via the shift lever 13 and the shift shaft 14. The limit switch 19 is actuated and locked, by switching on the electromagnet 18, the hub 15 on the machine housing. On the other hand, the electromagnet 11 is switched for locking the locking washer 10 and releases it. The locking washer 10 can thus be pivoted away. When swiveling, the limit switch 12 is actuated and the machine is thereby blocked. Now the clamping screw 8 can be loosened, whereby the gear train is separated. The printing unit 1 can now be set to the desired format relative to the printing unit 11 on a pulley of the drive. The display is shown on a scale of the turning drum 1. Now the clamping screw 8 of the turning drum 1 is tightened again, whereby the gear train is connected again. Then the locking washer 10 can be swiveled in again, whereby the clamping is secured. This position is sensed by the limit switch 12 and the machine is released again. This completes the changeover on the turning drum 1. On the storage drum 2, the clamping is now released via the clamping device 36 with the aid of a two-position key. The induction switch 26 switches due to the axial displacement of the format scale 44 and the machine run is blocked again. By moving the two-position key into the inner position against the key stop 40, the storage drum 2 is set to the desired format in accordance with the format pointer 42. The format is fine-tuned using the proximity switch 22 and an optical display 46 in the push button box. If the smoothing device 21 is set exactly, the proximity switch 22 acknowledges this by the fact that the optical display 46 lights up in the push button box. If both optical displays 45, 46 light up, the transfer position is set exactly. This also ensures that the counterpressure grippers do not strike the smoothing device 21 during the transfer. The flap 3 can only be closed when both settings have been made exactly. Before that, the storage drum 2 is clamped again via the clamping device 36, so that the smoothing device 21 remains set in the selected format length. By moving the format scale 44 axially to the storage drum 2 again, the induction switch 26 switches and releases the machine again. This also turns on the electromagnet 4 and the flap 3 can now be closed. When the flap 3 is closed, the limit switch 5 responds again and acknowledges the new state by releasing the machine. In addition, a gripper opening curve on the storage drum 2 must now be adjusted according to the format length via a handwheel and a position indicator. This function does not have to be secured, as here the sheet that was transported may be gripped too early or too late, i.e. in the end it may not be transported any further. However, there is no damage to the machine. In the event of a malfunction, the setting can easily be corrected afterwards. By switching the selector switch 47 again, the gear train separation via the electromagnet 11 is blocked, the flap 3 is secured with the electromagnet 4, the optical indicators 45, 46 in the push-button box go out and the machine run is finally released. Now only the smoothing device 21 has to be supplied with air according to its function and the machine is ready for operation.

In Fig. 6 ist die Verschaltung der Schaltelemente untereinander dargestellt. Vom Wahlschalter 47 aus kann eine Betriebsstellung für den Strompfad 48 der Energieversorgung der Maschine über die Schaltstelle A gesteuert werden. Bei Anwahl der Umstellung von Schönauf Schön- und Widerdruck oder umgekehrt wird der Strompfad 48 an der Schaltstelle A unterbrochen und es gehen Signale zur Einstellung der Näherungsschalter 22, 25 auf den gewünschten Betriebszustand, zum Magneten 4 für die Entriegelung des Deckels 3 und zum Magneten 18 für die Entriegelung der Kurvenumschaltung an der Wendetrommel 1. Diese Verbindungen sind durch Schaltstellen B, C unterbrochen. Diese werden erst geschlossen, wenn die Maschine in Grundstellung gefahren ist und der Näherungsschalter 7 an der Wendetrommel 1 dies anzeigt. Dann leuchtet die optische Anzeige 45 auf und die genannten Magnete 4,18 ziehen an. Gleichzeitig wird die Schaltstelle D geschlossen. Nun kann die Klappe 3 geöffnet werden. Dabei schaltet der Endschalter 5 und unterbricht den Strompfad 48 an der Schaltstelle E.The interconnection of the switching elements with one another is shown in FIG. 6. An operating position for the current path 48 of the power supply to the machine can be controlled from the selector switch 47 via the switching point A. When selecting the switch from Schönauf Schön- und Gegendruck or vice versa, the current path 48 at the switching point A is interrupted and signals are sent to set the proximity switches 22, 25 to the desired operating state, to the magnet 4 for unlocking the cover 3 and to the magnet 18 for unlocking the curve switch on the turning drum 1. These connections are interrupted by switching points B, C. These are only closed when the machine is in the basic position and the proximity switch 7 on the turning drum 1 indicates this. Then the optical display 45 lights up and the magnets 4, 18 mentioned attract. Switching point D is closed at the same time. The flap 3 can now be opened. The limit switch 5 switches and interrupts the current path 48 at switching point E.

Bei Umschaltung der Kurven an der Wendetrommel 1, die ja entriegelt ist, wird der doppelte Endschalter 19 betätigt. Sein Signal. schaltet den Magneten 11 zur Entriegelung der Sicherungsscheibe 10 an der Klemmung der Wendetrommel 1 und läßt den Magneten 18 an der Kurvenumschaltung abfallen, so daß diese verriegelt wird. Nun kann die Sicherungsscheibe 10 weggedreht werden. Damit wird der Endschalter 12 betätigt und der Strompfad 48 wird an der Schaltstelle F unterbrochen. Nach erfolgter Formateinstellung, erneuter Klemmung und Rückdrehung der Sicherungsscheibe 10 schaltet der Endschalter 12 wieder und schließt die Schaltstelle F. Dann kann die Speichertrommel 2 umgestellt werden. Wenn die Klemmvorrichtung 36 gelöst wird, schaltet der Induktionsschalter 26 und öffnet die Schaltstelle G im Strompfad 48 und die Schaltstelle H in der Steuerleitung des Magneten 4. Dann kann die Formateinstellung der Glättvorrichtungen 21 vorgenommen werden.When switching the curves on the turning drum 1, which is indeed unlocked, the double limit switch 19 is actuated. His signal. switches the magnet 11 to unlock the lock washer 10 at the clamp of the turning drum 1 and lets the magnet 18 fall off at the curve switch so that it is locked. Now the locking washer 10 can be turned away. The limit switch 12 is thus actuated and the current path 48 is interrupted at the switching point F. After setting the format, reclamping and turning back the locking washer 10, the limit switch 12 switches again and closes the switching point F. Then the storage drum 2 can be changed over. When the clamping device 36 is released, the induction switch 26 switches and opens the switching point G in the current path 48 and the switching point H in the control line of the magnet 4. The format setting of the smoothing devices 21 can then be carried out.

Der Näherungsschalter 22 zeigt über die Anzeige 45 an, wenn die exakte Einstellung erreicht ist. Dabei wird die Schaltstelle 1 in der einen Steuerleitung des Magneten 4 geschlossen. Nach erfolgter Klemmung schaltet der Näherungsschalter 25 wieder und die Schaltstellen G und H werden wieder geschlossen. Die Steuerleitung des Magneten 4 mit den Schaltstellen D, H und I ist nun durchgeschaltet und der Magnet 4 zieht an. Die Klappe 3 kann nun schließen. Wenn die Greiferöffnungskurven der Speichertrommel 2 eingestellt sind, kann der Wahlschalter 47 wieder in Normalstellung gebracht werden. Dabei wird der Magnet 4 freigeschaltet und damit die Klappe 3 verriegelt. Der Endschalter 5 schließt gleichzeitig die Schaltstelle E im Strompfad 48. Außerdem werden die Anzeigen 45,46 gelöscht und der Magnet 11 wird freigeschaltet, so daß die Klemmung der Wendetrommel 1 verriegelt ist. Damit sind alle Schaltstellen A, E, F, G im Strompfad 48 geschlossen und der Maschinenlauf wird freigegeben.The proximity switch 22 shows on the display 45 when the exact setting has been reached. Switching point 1 in one control line of magnet 4 is closed. After clamping, the proximity switch 25 switches again and the switching points G and H are closed again. The control line of the magnet 4 with the switching points D, H and I is now switched through and the magnet 4 picks up. The flap 3 can now close. When the gripper opening curves of the storage drum 2 are set, the selector switch 47 can be returned to the normal position. The magnet 4 is activated and the flap 3 is locked. The limit switch 5 simultaneously closes the switching point E in the current path 48. In addition, the displays 45, 46 are deleted and the magnet 11 is released, so that the clamping of the turning drum 1 is locked. All switching points A, E, F, G in current path 48 are thus closed and machine operation is released.

Die beschriebene Version ist als eine Möglichkeit für die Ausführung der Erfindung anzusehen, in der weitere Ausgestaltungen enthalten sein können.The version described is to be regarded as a possibility for the implementation of the invention, in which further configurations can be included.

BezugszeichenlisteReference symbol list

  • 1 Wendetrommel1 turning drum
  • 2 Speichertrommel2 storage drum
  • 3 Klappe3 flap
  • 4 Elektromagnet4 electromagnet
  • 5 Endschalter5 limit switches
  • 6 Fahne6 flags
  • 7 Näherungsschalter7 proximity switches
  • 8 Klemmschraube8 clamping screw
  • 9 Klemmscheibe9 clamping disc
  • 10 Sicherungsscheibe10 lock washer
  • 11 Elektromagnet11 electromagnet
  • 12 Endschalter12 limit switches
  • 13 Schalthebel13 shift lever
  • 14 Schaltwelle14 selector shaft
  • 15 Nabe15 hub
  • 16 Schaltnocken16 switching cams
  • 1717th
  • 18 Elektromagnet18 electromagnet
  • 19 Endschalter19 limit switches
  • 20 Schaltfahne20 switch flag
  • 21 Glättvorrichtung21 smoothing device
  • 22 Näherungsschalter22 proximity switches
  • 23 Greiferwelle23 gripper shaft
  • 24 Schaltfahne24 switch flag
  • 25 Näherungsschalter25 proximity switches
  • 26 Induktionsschalter26 induction switches
  • 27 Sicherungsplatte27 locking plate
  • 28 Bohrung28 hole
  • 29 Sicherungsstift29 locking pin
  • 30 Führung30 leadership
  • 31 Schaltkurve31 switching curve
  • 32 Sicherungsstift32 locking pin
  • 33 Bohrung33 hole
  • 34 Führung34 leadership
  • 35 Trommelwelle35 drum shaft
  • 36 Klemmvorrichtung36 clamping device
  • 37 Steuerschräge37 tax amounts
  • 38 Federbolzen38 spring bolts
  • 39 Antriebszahnrad39 drive gear
  • 40 Schlüsselanschlag40 key stroke
  • 41 Formatverstellung41 Format adjustment
  • 42 Formatzeiger42 format pointers
  • 43 Übergabestellung43 Delivery position
  • 44 Formatskala44 format scale
  • 45 Anzeige45 display
  • 46 "46 "
  • 47 Wahlschalter47 selector switch
  • 48 Strompfad48 current path

Claims (4)

1. Device on a rotary sheet printing press having a storage cylinder (2) into which calendering means (21) are built, and a turning cylinder (1), for making secure the change-over process form the adjustment for one side printing to perfect printing and vice versa with the aid of change-over devices, by electrically stopping the press during the change-overs at the turning cylinder (1) and the adjustment processes at the storage cylinder (2), characcterised in that for rendering safe the access to the change-over apparatus, depending upong a base position of the press, electrical circuit means (4, 5, 7) are arranged relative to the change-over devices for monitoring their clamping, which on incomplete clamping on the storage (2) or turning cylinder (1) stop the press running, that for rendering safe the adjustment of the gripper of the storage cylinder (2) to the transfer position in the one side print position and of the calendering devices (21) relative to the sheet end in perfect printing position further electrical switch means (22, 25) are provided and the switch means (4, 5, 7, 11, 12, 18,19 22, 25, 26) are so connected with one another press running is released only dependent on the locking of the clamping of the drive train on the turning cylinder (1), an optical indication of the correct and exactly achieved adjustment of the storage (2) and turning cylinder (1) and the locking of the access to the change-over devices.
2. Apparatus according to claim 1 characterised in that as electrical switching means for the testing of the base position of the turning cylinder (1), the one side print position of the storage cylider (2), the perfect printing adjustment of the calendering devices (21) on the turning drum (1) and the clamping of the position of the calendering devices (21), contactless proximity switches (7, 22, 25) are used, that the clamping of the drive train and the switching over of the control devices of the turning cylinder (1) is rendered safe with limit switches (12,19) and can be locked by electromagnets (11, 18) and that the change-over devices can be closed up with the aid of a lid (3), wherein press running or change-over processes are possible only in dependance on the lid locking (4, 5).
3. Apparatus according to Claim 2 characterised in that control of the turning cylinder (1) is adjusted via a change-over lever (3) and a change-over shaft (14) that on the change-over shaft (14) a hub (15) is arranged, that switching cames (16, 17) arranged on the hub (15) co-operate with the limit switch (19) and the electromagnet (18) locks the hub (15) on the press housing.
4. Apparatus according to claim 1 or 2 characterised in that the electromagnets (4,18) for locking the lid (3) and the chang-over lever (13) for the cam adjustment on the turning cylinder (1) are connected together with the proximity switch (7) for determining the base position of the press, wherein in the base position of the press an optical indicator (45) lights up, that the limit switch (19), for questioning the position of the change-over lever (13) for cam adjustment on the turning cylinder (1) is connected together with the locking (10, 11) of the clamping of the drive train, that the press running is blocked by the limit switch (12) for the control of the locking (10,11) of the clampnig of the drive train with clamping not being carried out, that the induction switch (26) blocks the machine running with clamping not carried out for control of the clamping for the adjustment of the calendering devices (21) on the storage cylinder (2), that for the exact position of the calendering devices (21) in its adjustment for perfect printing, an optical indicator (46) lights up, that the locking of the lid (3) is dependent on the optical indicators (45,46) and that finally the operative adjustment of the press is connected with the blocking of the change-over lever (13) for the cam change-over by an electromagnet (18) the safety for the clamping of the drive train by an electromagnet (11) and the locking of the lid (3) by an electromagnet (4), wherein if the optical indicators (45,46) go out, press running is released.
EP84102209A 1983-04-28 1984-03-02 Device for the reliable shifting of a perfecting printing machine Expired EP0129637B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102209T ATE34339T1 (en) 1983-04-28 1984-03-02 DEVICE FOR THE RELIABLE CONVERSION OF PERFORMING AND PERFORMING MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833315445 DE3315445A1 (en) 1983-04-28 1983-04-28 PROTECTING THE TRANSITION
DE3315445 1983-04-28

Publications (3)

Publication Number Publication Date
EP0129637A2 EP0129637A2 (en) 1985-01-02
EP0129637A3 EP0129637A3 (en) 1985-09-18
EP0129637B1 true EP0129637B1 (en) 1988-05-18

Family

ID=6197608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102209A Expired EP0129637B1 (en) 1983-04-28 1984-03-02 Device for the reliable shifting of a perfecting printing machine

Country Status (6)

Country Link
US (1) US4530283A (en)
EP (1) EP0129637B1 (en)
JP (1) JPS59209874A (en)
AT (1) ATE34339T1 (en)
BR (1) BR8401973A (en)
DE (1) DE3315445A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155561A2 (en) * 1984-03-23 1985-09-25 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
EP0655329B2 (en) † 1993-11-08 2002-07-24 Komori Corporation Printing switching apparatus for sheet-fed rotary press with reversing mechanism

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
DD229076A1 (en) * 1984-09-05 1985-10-30 Polygraph Leipzig METHOD AND DEVICE FOR AUTOMATIC OPERATION CHANGE
DE3441963A1 (en) * 1984-11-16 1986-05-28 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach SECURITY DEVICE ON ARC ROTATION PRINTING MACHINES
DE3614734A1 (en) * 1986-04-30 1987-11-05 Heidelberger Druckmasch Ag DEVICE FOR SECURING A ROTARY PRINTING MACHINE
JP3030582B2 (en) * 1991-09-19 2000-04-10 株式会社小森コーポレーション Plate changing device for rotary printing press
JP3160121B2 (en) * 1992-07-15 2001-04-23 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト Method and apparatus for performing and stopping sheet reversal and for format adjustment when transporting sheets through a printing press
DE19503695C2 (en) * 1995-02-04 1997-02-27 Roland Man Druckmasch Protection for a printing press
DE19956149A1 (en) * 1999-11-23 2001-06-07 Roland Man Druckmasch Inking unit for a printing press
US6684778B2 (en) * 2001-05-25 2004-02-03 Ryobi, Ltd. Printing press with a sheet-turning-over-mechanism
JP4658723B2 (en) * 2005-07-14 2011-03-23 株式会社小森コーポレーション Printing machine or coating machine
US9589400B2 (en) * 2006-08-16 2017-03-07 Isonas, Inc. Security control and access system
US11557163B2 (en) 2006-08-16 2023-01-17 Isonas, Inc. System and method for integrating and adapting security control systems
US9153083B2 (en) 2010-07-09 2015-10-06 Isonas, Inc. System and method for integrating and adapting security control systems
WO2011130639A1 (en) 2010-04-15 2011-10-20 Entellus Medical, Inc. Method and apparatus for treating dilating the ethmoid infundibulum
DE102012218049B4 (en) 2011-10-14 2023-12-28 Koenig & Bauer Ag Device for turning and conveying sheets in printing machines

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DE2350827C3 (en) * 1973-10-10 1980-01-10 Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg Safety switch on a protective cover for moving parts of a work machine
US4122773A (en) * 1974-04-24 1978-10-31 Heidelberger Druckmaschinen Ag Change-over means for a storage drum for sheet transferral
DE2460503C3 (en) * 1974-12-20 1979-05-03 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Changeover and adjustment device of a transfer drum for sheet transfer
NL163466C (en) * 1976-05-08 Heidelberger Druckmasch Ag DEVICE FOR PROTECTING A PRESSURE MACHINE FOR CLEANING AND WEATHERING PRESSURE WHEN SWITCHING ON CLEANING AND WEATHERING PRESSURE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155561A2 (en) * 1984-03-23 1985-09-25 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
EP0155561A3 (en) * 1984-03-23 1987-09-30 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
EP0655329B2 (en) † 1993-11-08 2002-07-24 Komori Corporation Printing switching apparatus for sheet-fed rotary press with reversing mechanism

Also Published As

Publication number Publication date
BR8401973A (en) 1984-12-04
EP0129637A2 (en) 1985-01-02
ATE34339T1 (en) 1988-06-15
DE3315445C2 (en) 1987-08-06
EP0129637A3 (en) 1985-09-18
DE3315445A1 (en) 1984-10-31
US4530283A (en) 1985-07-23
JPS59209874A (en) 1984-11-28
JPH0361589B2 (en) 1991-09-20

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