EP0146687B1 - Device at machines for handling sheets - Google Patents

Device at machines for handling sheets Download PDF

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Publication number
EP0146687B1
EP0146687B1 EP84109562A EP84109562A EP0146687B1 EP 0146687 B1 EP0146687 B1 EP 0146687B1 EP 84109562 A EP84109562 A EP 84109562A EP 84109562 A EP84109562 A EP 84109562A EP 0146687 B1 EP0146687 B1 EP 0146687B1
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EP
European Patent Office
Prior art keywords
sheet
adjustable
sheet guide
machine
guide means
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
EP84109562A
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German (de)
French (fr)
Other versions
EP0146687A1 (en
Inventor
Rudolf Mitze
Claus Dipl.-Ing. Simeth
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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Publication date
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT84109562T priority Critical patent/ATE32995T1/en
Publication of EP0146687A1 publication Critical patent/EP0146687A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/251—Smearing

Definitions

  • the invention relates to a device on sheet-fed printing machines for the lubrication-free feeding of sheets printed in particular on both sides through the machine by means of laterally adjustable sheet guiding means.
  • the printing sheets are held and guided in their conveying path with different sheet guides in order to transport the printing sheets safely and flutter-free through the printing machine during their sheet travel.
  • the sheet processing machine would have to be shut down.
  • the sheet guides in the machine were arranged almost unavailable to the editing staff, so that at least two workers had to work together on call to adjust the sheet guides according to the prevailing conditions of the printed images on the printed sheet in order to avoid smearing of the printed sheets .
  • a test run of the machine had to be carried out and the effect of the respective adjustment had to be observed. Depending on whether the result was positive or negative, the latter had to be readjusted with the sheet-processing machine turned off.
  • Sheet guide device for sheet guide cylinders in multicolor sheet-fed rotary printing machines disclosed. To avoid smearing the freshly printed area below the printing cylinder and the sheet guiding cylinder, this has a number of hollow sheet guide bars with air outlet openings.
  • the sheet guiding devices in the form of holding disks are arranged axially displaceably on the sheet guide cylinder. This means that the sheet guiding devices can be arranged at locations where there is no ink application on the sheet. The task was to guide the sheet end in a fitting manner when the sheet was already released at its front edge, taking into account the format adjustment during production and intermittent operation.
  • the inaccessibility mostly meant that the personnel were forced to get into or under the sheet-guiding machine in order to be able to carry out the adjustment process. For the above-mentioned difficult reasons, it was usually necessary to correct them consecutively. This led to great loss of time on the sheet-processing machines.
  • the invention is based on the object of being able to adjust sheet guiding means laterally in a time-saving manner by an operator to the free spaces between printed images.
  • the sheet guiding means are laterally remotely adjustable by motor or by hand while the machine is running from the sheet processing machine or from an evaluation table by means of a central adjustment, and in that the position of the sheet guiding means is in direct comparison to Ink order can be displayed.
  • the adjustment can be carried out by an operator without direct visibility and access to the sheet guiding means. There is no time-consuming stopping of the machine. There is no need to check when the machine is restarted, which means that a large amount of waste is eliminated.
  • the rod-shaped sheet guides are attached as a sheet guide holder with a drive block.
  • the drive block with the bow guide rod sits on a cross member designed as a drive element or guide element.
  • the drive block can e.g. B. be provided with a gear and a motor or with a connection for appropriate traction or pressure. Hydraulic or pneumatic adjustment means can also be provided.
  • the drives can be controlled from any position outside the machine.
  • a scale bar with z. B. LEDs or other display means are provided, after which the operating personnel can make the setting for the plate cylinder.
  • the setting can be made on each individual machine tower or from the control table. In the case of multi-color printing presses, however, the adjustment can be carried out directly in front of each plate cylinder or, in the case of two-sided printing, by a central adjustment for both plate cylinders.
  • the printed sheet is supplied as a reference and the printer can adjust the entire sheet guiding device in the machine using the light-emitting diode bar or the scale bar.
  • FIG. 1 shows a printed sheet 2, which is arranged on a plate cylinder 7, within a sheet processing machine 1, not shown in detail.
  • Sheet guiding means 4, 4, 1 are positioned in the pressure-free zones of the sheet 2.
  • Individual light-emitting diodes of a light-emitting diode display 12 light up on a reference bar 11 at the position of the sheet guiding means 4, 4.1.
  • the reference bar 11 can also have a scale bar 12.3.
  • the reference strip 11 can, as shown here, be arranged directly on the plate cylinder 7, or a further display can be arranged on the evaluation table of the printed printing sheet 2, so that the printer can adjust the sheet guiding means 4, 4, 1 from there while the machine is running. This has the advantage that an immediate check on the machine's system on the printed sheet is visible.
  • a central adjustment 8 is actuated by the operating personnel to adjust the sheet guiding means 4, 4.1.
  • the central adjustment 8 is connected to the drive blocks 10 via a feed line 14. From here, they can be called up individually for each adjustment process at the push of a button.
  • the drive blocks 10 of the sheet guiding means 4, 4.1 are in turn guided on a traverse 9.
  • a toothed rack 16 for the adjustment of the sheet guiding means 4, 4.1 is attached to the crossmember 9.
  • a digital display 13 on the central adjustment 8 additionally enables, in addition to the light-emitting diode displays 12 and the scale strip 12.1, a control during the adjustment process of the sheet guiding means 4, 4.1.
  • the individual sheet guiding means 4, 4. 1 can be displayed on this digital display 13 and can accordingly be called up on the central adjustment 8 and adjusted by pressing a button.
  • the sheet guiding means 4 is shown in section. This is composed of the drive block 10 and an electric motor 15.
  • a drive pinion 15.1 is arranged on the motor 15 and acts on a toothed rack 16 of the crossmember 9.
  • the drive block 10 is held and guided on the crossmember 9 by means of two roller guides 17.
  • the electrical control of the motor 15 takes place via a feed line 14.
  • the sheet guide rod is welded to a web-like holder 4.2 on the drive block 10.
  • the sheet guide rod of the sheet guide means 4 is curved in accordance with the sheet guide path.
  • a similar adjustment by means of the motor 15 can, for example, except on the sheet guiding means 4, 4.1. B. individually and mutually adjustable on sheet guide wheels and other sheet guide means within the sheet processing machine 1.
  • FIG. 3 shows a further possibility of adjusting sheet guiding means 3 in the form of a manually operated adjustment mechanism.
  • the sheet guiding means 3 is held in a drive block 10.1.
  • a Bowden cable 6 leads from the drive block 10.1 to a hand lever 5.
  • a special hand lever 5 is provided for each bow guiding means 3.
  • a flexible shaft can also be provided between the hand lever 5 and the drive block 10.1.
  • This version is much cheaper than the version with the drive motors.
  • the adjustment can be carried out just as easily, safely and quickly by an operator while the machine is running and it can be checked immediately after the adjustment whether individual images of the printed sheets still smear on the sheet guiding means 3 or not.
  • the reference strip 11 with the light-emitting diode display 12 is of particular importance and considerably simplifies the adjustment process for the sheet guiding means 3 for the operator.
  • the hand levers 5 are arranged in rows next to one another in accordance with the sheet guiding means 3 arranged in the sheet processing machine 1.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Abstract

A system for remote sensing, indicating and remote control provides for the non-smear guidance of sheets through a sheet-fed machine and is especially useful for printing machines which print on both sides of the sheets. Sheet guides are adjustable during machine operation from a control panel at a central location outside of the machine. The positions of the sheet guides are preferably displayed in direct comparison with zones of ink application. Also, the sheet guides are adjustable from the control panel so that the guides fall within the gaps between printed areas on the sheet. An immediate and graphic check of the sheet guides is provided. In a preferred embodiment, the positions of the sheet guides are indicated on a linear array of optical indicators, each indicator representing a respective boundary between adjacent inking zones, and two adjacent ones of the optical indicators being simultaneously activated when one of the sheet guides is adjusted approximately at the center of the inking zone defined by the boundaries represented by the two adjacent ones of the optical indicators.

Description

Die Erfindung betrifft eine Vorrichtung an Bogendruckmaschinen zum schmierfreien Führen von insbesondere beidseitig bedruckten Bogen durch die Maschine mittels seitlich verstellbarer Bogenführungsmittel.The invention relates to a device on sheet-fed printing machines for the lubrication-free feeding of sheets printed in particular on both sides through the machine by means of laterally adjustable sheet guiding means.

Innerhalb einer bogenverarbeitenden Maschine werden die Druckbögen mit unterschiedlichen Bogenführungen in ihrer Förderbahn gehalten und geführt, um die Druckbögen während ihres Bogenlaufes sicher und flatterfrei durch die Druckmaschine zu transportieren.Within a sheet-processing machine, the printing sheets are held and guided in their conveying path with different sheet guides in order to transport the printing sheets safely and flutter-free through the printing machine during their sheet travel.

Wenn die Bogenführungsmittel aus den unterschiedlichsten Gründen vom Bearbeitungspersonal der Maschine in eine andere Position verstellt werden sollten, müßte die bogenverarbeitende Maschine abgestellt werden. Meist sind die Bogenführungen in der Maschine fast kaum für das Bearbeitsungspersonal erreichbar angeordnet gewesen, so daß mindestens zwei Arbeiter auf Zuruf zusammenarbeiten mußten, um die Bogenführungen nach den jeweils vorliefenden Verhältnissen der Druckbilder auf dem Druckbogen anpassen zu können, um ein Abschmieren der Druckbögen zu vermeiden. Nach dem Ausrichten mußte ein Probelauf der Maschine erfolgen und beobachtet werden, wie sich die jeweilige Verstellung ausgewirkt hatte. Je nachdem ob das Ergebnis positiv oder negativ war, mußte bei letzterem ein nochmaliges Nachjustieren bei abgestellter bogenverarbeitender Maschine erfolgen.If the sheet guiding means were to be moved to a different position by the machine's processing personnel for a variety of reasons, the sheet processing machine would have to be shut down. Most of the time, the sheet guides in the machine were arranged almost unavailable to the editing staff, so that at least two workers had to work together on call to adjust the sheet guides according to the prevailing conditions of the printed images on the printed sheet in order to avoid smearing of the printed sheets . After the alignment, a test run of the machine had to be carried out and the effect of the respective adjustment had to be observed. Depending on whether the result was positive or negative, the latter had to be readjusted with the sheet-processing machine turned off.

Ein wesentlicher Zeitverlust während des Druckvorganges sowie eine zusätliche Belastung für das Bearbeitungspersonal war dadurch unvermeidbar.A significant loss of time during the printing process and an additional burden on the processing staff was inevitable.

In der DE-B-1 561 101 ist eine . Bogenleiteinrichtung für Bogenführungszylinder im Mehrfarben-Bogenrotationsdruckmaschinen offenbart. Diese weist zur Vermeidung des Abschmierens der frisch bedruckten Flache unterhalb des Druckzylinders und des Bogenführungszylinders eine Anzahl von hohlen Bogenleitbügeln mit Luftaustrittsöffnungen auf. Die Bogenleiteinrichtungen in Form von Haltescheiben sind auf dem Bogenführungszylinder axial verschiebbar angeordnet. Damit können die Bogenleiteinrichtungen an solchen Stellen angeordnet werden, an denen sich auf dem Bogen kein Farbauftrag befindet, Die Aufgabe war ein paßgerechtes Führen des Bogenendes, wenn der Bogen an seiner Vorderkante bereits freigegeben ist, unter Beachtung von Formatverstellung bei Fortdruck und intermittierendem Betrieb.In DE-B-1 561 101 there is one. Sheet guide device for sheet guide cylinders in multicolor sheet-fed rotary printing machines disclosed. To avoid smearing the freshly printed area below the printing cylinder and the sheet guiding cylinder, this has a number of hollow sheet guide bars with air outlet openings. The sheet guiding devices in the form of holding disks are arranged axially displaceably on the sheet guide cylinder. This means that the sheet guiding devices can be arranged at locations where there is no ink application on the sheet. The task was to guide the sheet end in a fitting manner when the sheet was already released at its front edge, taking into account the format adjustment during production and intermittent operation.

Ein weiteres Problem beim Einrichten und Justieren der Bogenführungen bei neueren Maschinen bestand darin, daß die Bogenführungen durch Abdeckbleche und Abdeckhauhen nicht mehr direkt von außen zu sehen waren, d.h. die Zugänglichkeit der Bogenführungsmittel bei den neueren Maschinen ist sehr viel schlechter als bei den älteren Maschinen.Another problem with setting up and adjusting the sheet guides on newer machines was that the sheet guides could no longer be seen directly from the outside through cover plates and cover heights, i.e. the accessibility of the sheet guiding means in the newer machines is much worse than in the older machines.

Die Unzugänglichkeit führte meist dazu, daß das Personal gezwungen war, in oder unter die bogenführende Maschine zu gelangen, um den Einstellvorgang vornehmen zu können. Aus den genannten schwierigen Gründen mußte meist öfters hintereinander korrigiert werden. Dies führte zu großen Zeitverlusten an den bogenverarbeitenden Maschinen.The inaccessibility mostly meant that the personnel were forced to get into or under the sheet-guiding machine in order to be able to carry out the adjustment process. For the above-mentioned difficult reasons, it was usually necessary to correct them consecutively. This led to great loss of time on the sheet-processing machines.

Bei den Bogenführungsrädern mußten hier z. B. aufwendig zuerst ein Rastbolzen aufgeklemmt werden, um danach die Bogenführungsräder auf der Welle verschieben zu können. Danach wurde der Rastbolzen jeweils wieder verklemmt, um den festen Sitz der Bogenführungsrollen in der gewünschten Position auf der Welle erreichen zu können, um damit ein Verschmieren der Druckbilder zu vermeiden.In the sheet guide wheels here z. B. expensive first a locking pin are clamped in order to then be able to move the sheet guide wheels on the shaft. Then the locking pin was clamped again in order to be able to achieve the tight fit of the sheet guide rollers in the desired position on the shaft, in order to avoid smearing of the printed images.

Diese Arbeiten des Justierens und Ausrichtens beim Maschinenstillstand waren sehr zeitaufwendig und schwierig durchführbar.This work of adjusting and aligning when the machine was at a standstill was very time-consuming and difficult to carry out.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, Bogenführungsmittel seitlich zeitsparend von einer Bedienungsperson auf die Freiräume zwischen Druckbildern verstellen zu können.Starting from this prior art, the invention is based on the object of being able to adjust sheet guiding means laterally in a time-saving manner by an operator to the free spaces between printed images.

Die Lösung der gestellten Aufgabe wird bei einer Vorrichtung der eingangs genannten Art dadurch erreicht, daß die Bogenführungsmittel motorisch oder per Hand während des Maschinenlaufes von der Bogenverarbeitungsmaschine oder von einem Auswertetisch aus mittels einer Zentralverstellung seitlich fernverstellbar sind und daß die Position der Bogenführungsmittel im direkten Vergleich zum Druckfarbenauftrag anzeigbar ist.The solution to the problem is achieved in a device of the type mentioned above in that the sheet guiding means are laterally remotely adjustable by motor or by hand while the machine is running from the sheet processing machine or from an evaluation table by means of a central adjustment, and in that the position of the sheet guiding means is in direct comparison to Ink order can be displayed.

Die Verstellung kann von einer Bedienungsperson ohne direkte Sichtmöglichkeit und Zugänglichkeit zu den Bogenführungsmitteln durchgeführt werden. Ein zeitaufwendiges Stoppen der Maschine entfällt. Eine Kontrolle bei neuem Anlaufen der Maschine entfällt und damit entfällt eine große Menge an Mukulatur.The adjustment can be carried out by an operator without direct visibility and access to the sheet guiding means. There is no time-consuming stopping of the machine. There is no need to check when the machine is restarted, which means that a large amount of waste is eliminated.

Die stangenförmigen Bogenführungen sind als Bogenführungshalter mit einem Antriebsblock befestigt. Der Antriebsblock mit der Bogenführungsstange sitzt auf einer als Antriebselement oder Führungselement ausgebildeten Traverse. Der Antriebsblock kann z. B. mit einem Getriebe und einem Motor oder mit einem Anschluß für entsprechende Zug- bzw. Druckmittel versehen sein. Es können auch hydraulische oder pneumatische Verstellmittel vorgesehen sein.The rod-shaped sheet guides are attached as a sheet guide holder with a drive block. The drive block with the bow guide rod sits on a cross member designed as a drive element or guide element. The drive block can e.g. B. be provided with a gear and a motor or with a connection for appropriate traction or pressure. Hydraulic or pneumatic adjustment means can also be provided.

Die Ansteuerung der Antriebe kann von jeder beliebigen Position außerhalb der Maschine erfolgen. Als Referenz bei der Einstellung ist eine Skalenleiste mit z. B. Leuchtdioden oder anderen Anzeigemitteln vorgesehen, nach denen das Bedienungspersonal die Einstellung für den Plattenzylinder vornehmen kann. Die Einstellung kann hierbei an jedem einzelnen Maschinenturm oder vom Kontrolltisch vorgenommen werden. Bei Mehrfarhen-Druckmaschinen kann aber die Verstellung jeweils direkt vor jedem Plattenzylinder oder bei Zweifarten im Widerdruck von einer Zentralverstellung für beide Plattenzylinder vorgenommen werden. Hierbei lieft der Druckbogen als Referenz vor und der Drucker kann nach der Druckbild an Hand der Leuchtdiodenleiste oder der Skalenleiste die Verstellung der gesamten Bogenführungsmittel in der Maschine vornehmen.The drives can be controlled from any position outside the machine. A scale bar with z. B. LEDs or other display means are provided, after which the operating personnel can make the setting for the plate cylinder. The setting can be made on each individual machine tower or from the control table. In the case of multi-color printing presses, however, the adjustment can be carried out directly in front of each plate cylinder or, in the case of two-sided printing, by a central adjustment for both plate cylinders. The printed sheet is supplied as a reference and the printer can adjust the entire sheet guiding device in the machine using the light-emitting diode bar or the scale bar.

Weitere Vorteile und Merkmale gehen aus den Unteransprüchen und der nachfolgenden Figurenbeschreibung in Verbindung mit den schematisch gezeigten Ausführungsbeispielen hervor.Further advantages and features emerge from the subclaims and the following description of the figures in connection with the schematically shown exemplary embodiments.

Es zeigt:

  • Fig. 1 einen Plattenzylinder auf dem Druckbilder und zu diesem ausgerichtete Bogenführungsmittel, deren jeweiliger Stand durch eine Leuchtdiodenanzeige erkennbar und mittels einer Zentralverstellung veränderbar dargestellt sind.
  • Fig. 2 eine Detailansicht eines Bogenführungsmittels das auf einer Traverse angeordnet ist und mit einem elektrischen Motor als Antrieb auf der Traverse automatisch verstellbar ist.
  • Fig. 3 eine perspektivische Darstellung eines Bogenführungsmittels das an einem Handgriff verstellbar ist.
It shows:
  • Fig. 1 shows a plate cylinder on the printed images and aligned sheet guide means, the respective status can be recognized by a light-emitting diode display and can be changed by means of a central adjustment.
  • Fig. 2 is a detailed view of a sheet guiding means which is arranged on a cross member and is automatically adjustable with an electric motor as a drive on the cross member.
  • Fig. 3 is a perspective view of a sheet guide means that is adjustable on a handle.

In der Fig. 1 ist ein Druckbogen 2 der auf einem Plattenzylinder 7 angeordnet ist, innerhalb einer nicht näher dargestellten Bogenverarbeitungsmaschine 1 zu erkennen.1 shows a printed sheet 2, which is arranged on a plate cylinder 7, within a sheet processing machine 1, not shown in detail.

In den druckfreien Zonen des Druckbogens 2 sind Bogenführungsmittel 4,4.1 positioniert. Auf einer Referenzleiste 11 leuchten jeweils am Positionsort der Bogenführungsmittel 4, 4.1 einzelne Leuchtdioden einer Leuchtdiodenanzeige 12 auf. Die Referenzleiste 11 kann je nach den Bedinungen auch eine Skalenleiste 12.3 aufweisen. Die Referenzleiste 11 kann wie hier dargestellt direkt am Plattenzylinder 7 angeordnet sein, oder es kann eine weitere Anzeige am Auswertetisch des bedruckten Druckbogens 2 angeordnet sein, so daß der Drucker die Verstellung der Bogenführungsmittel 4,4.1 von dort aus bei laufender Maschine vornehmen kann. Das hat den Vorteil, daß eine sofortige Kontrolle an der Anlage der Maschine am Druckbogen sichtbar wird. Zur Verstellung der Bogenführungsmittel 4, 4.1 wird eine Zentralverstellung 8 von dem Bedienungspersonal betätigt. Die Zentralverstellung 8 ist über eine Zuleitung 14 mit den Antriebsblöcken 10 verbunden. Sie können von dieser aus auf Knopfdruck einzeln für jeden Verstellvorgang abgerufen werden. Die Antriebsblöcke 10 der Bogenführungsmittel 4, 4.1 sind ihrerseits auf eine Traverse 9 geführt. An der Traverse 9 ist eine Zahnstange 16 für die Verstellung der Bogenführungsmittel 4, 4.1 befestigt. Eine digitale Anzeige 13 an der Zentralverstellung 8 ermöglicht zusätzlich neben den Leuchtdiodenanzeigen 12 und der Skalenleiste 12.1 eine Kontrolle während des Justiervorganges der Bogenführungsmittel 4, 4.1. Auf dieser digitalen Anzeige 13 sind die einzelnen Bogenführungsmittel 4,4.1 anzeigbar und können dementsprechend auf der Zentralverstellung 8 abgerufen und mittels Knopfdruck verstellt werden.Sheet guiding means 4, 4, 1 are positioned in the pressure-free zones of the sheet 2. Individual light-emitting diodes of a light-emitting diode display 12 light up on a reference bar 11 at the position of the sheet guiding means 4, 4.1. Depending on the conditions, the reference bar 11 can also have a scale bar 12.3. The reference strip 11 can, as shown here, be arranged directly on the plate cylinder 7, or a further display can be arranged on the evaluation table of the printed printing sheet 2, so that the printer can adjust the sheet guiding means 4, 4, 1 from there while the machine is running. This has the advantage that an immediate check on the machine's system on the printed sheet is visible. A central adjustment 8 is actuated by the operating personnel to adjust the sheet guiding means 4, 4.1. The central adjustment 8 is connected to the drive blocks 10 via a feed line 14. From here, they can be called up individually for each adjustment process at the push of a button. The drive blocks 10 of the sheet guiding means 4, 4.1 are in turn guided on a traverse 9. A toothed rack 16 for the adjustment of the sheet guiding means 4, 4.1 is attached to the crossmember 9. A digital display 13 on the central adjustment 8 additionally enables, in addition to the light-emitting diode displays 12 and the scale strip 12.1, a control during the adjustment process of the sheet guiding means 4, 4.1. The individual sheet guiding means 4, 4. 1 can be displayed on this digital display 13 and can accordingly be called up on the central adjustment 8 and adjusted by pressing a button.

In der Fig. 2 ist das Bogenführungsmittel 4 im Schnitt dargestellt. Dies setzt sich aus dem Antriebsblock 10 und einem elektrischen Motor 15 zusammen. Am Motor 15 ist ein Antriebsritzel 15.1 angeordnet, welches auf eine Zahnstange 16 der Traverse 9 wirkt. Auf der Traverse 9 ist mittels zweier Rollenführungen 17 der Antriebsblock 10 gehaltert und geführt. Die elektrische Ansteuerung des Motors 15 erfolgt über eine Zuleitung 14. Am Antriebsblock 10 ist die Bogenführungsstange mit einer stegartigen Halterung 4.2 verschweißt. Die Bogenführungsstange des Bogenführungsmittels 4 ist in diesem Ausführungsbeispiel entsprechend der Bogenführungsbahn gekrümmt. Eine ähnliche Verstellung mittels des Motors 15 kann außer an den Bogenführungsmitteln 4, 4.1 z. B. einzeln und untereinander verstellbaren an Bogenführungsrädern und anderen Bogenführungsmitteln innerhalb der Bogenverarbeitungsmaschine 1 vorgenommen werden.2, the sheet guiding means 4 is shown in section. This is composed of the drive block 10 and an electric motor 15. A drive pinion 15.1 is arranged on the motor 15 and acts on a toothed rack 16 of the crossmember 9. The drive block 10 is held and guided on the crossmember 9 by means of two roller guides 17. The electrical control of the motor 15 takes place via a feed line 14. The sheet guide rod is welded to a web-like holder 4.2 on the drive block 10. In this exemplary embodiment, the sheet guide rod of the sheet guide means 4 is curved in accordance with the sheet guide path. A similar adjustment by means of the motor 15 can, for example, except on the sheet guiding means 4, 4.1. B. individually and mutually adjustable on sheet guide wheels and other sheet guide means within the sheet processing machine 1.

In der Fig. 3 ist eine weitere Verstellmöglichkeit von Bogenführungsmitteln 3 in Form eines handbetätigten Verstellmechanismus dargestellt. Das Bogenführungsmittel 3 ist in einem Antriebsblock 10.1 gehaltert. Vom Antriebsblock 10.1 führt ein Bowdenzug 6 zu einem Handhebel 5. Für jedes Bogenführungsmittel 3 ist ein spezieller Handhebel 5 vorgesehen. Anstelle des Bowdenzuges 6 kann auch eine biegsame Welle zwischen dem Handhebel 5 und dem Antriebsblock 10.1 vorgesehen sein. Diese Ausführung ist wesentlich kostengünstiger als die Ausführung mit den Antriebsmotoren. Die Verstellung kann aber genauso einfach, sicher und schnell während des Maschinenlaufes von einer Bedienungsperson vorgenommen werden und direkt nach der Verstellung kontrolliert werden, ob noch einzelne Bilder der Druckbögen an den Bogenführungsmitteln 3 abschmieren oder nicht. Auch bei dieser Ausführung ist die Referenzleiste 11 mit der Leuchtdiodenanzeige 12 von besonderer Bedeutung und vereinfacht den Justiervorgang der Bogenführungsmittel 3 für die Bedienungsperson erheblich. Die Handhebel 5 sind in Reihen nebeneinander entsprechend den in der Bogenverarbeitungsmaschine 1 angeordneten Bogenführungsmittel 3 zueinander angeordnet.3 shows a further possibility of adjusting sheet guiding means 3 in the form of a manually operated adjustment mechanism. The sheet guiding means 3 is held in a drive block 10.1. A Bowden cable 6 leads from the drive block 10.1 to a hand lever 5. A special hand lever 5 is provided for each bow guiding means 3. Instead of the Bowden cable 6, a flexible shaft can also be provided between the hand lever 5 and the drive block 10.1. This version is much cheaper than the version with the drive motors. However, the adjustment can be carried out just as easily, safely and quickly by an operator while the machine is running and it can be checked immediately after the adjustment whether individual images of the printed sheets still smear on the sheet guiding means 3 or not. In this embodiment too, the reference strip 11 with the light-emitting diode display 12 is of particular importance and considerably simplifies the adjustment process for the sheet guiding means 3 for the operator. The hand levers 5 are arranged in rows next to one another in accordance with the sheet guiding means 3 arranged in the sheet processing machine 1.

Claims (10)

1. Apparatus on sheet printing presses for smudge free guidance particularly of sheets printed on both sides through the machine by means of laterally adjustable sheet guide means, characterised in that the sheet guide means (3, 4, 4.1) can be laterally remotely adjusted by motor or by hand during the running of the machine from the sheet printing press or from an evaluation table by means of a control adjustment (8) and that the position of the sheet guiding means (3,4,4.1) can be displayed in direct comparison to the printing ink application.
2. Apparatus according to claim 1 characterised in that directly in the neighbourhood of the plate cylinder (7) of the sheet printing press a reference bar (11) with a scaled light emitting diode display (12) is arranged in such a fashion that the light emitting diode display (12) shows the respective position of the sheet guiding means (3,4,4.1).
3. Apparatus according to claim 1 and 2 characterised in that the central adjustment (8) is arranged at a delivery or an evaluation table of the sheet printing press (1) and that there is additionally fixed there a reference bar (11) with light emitting diode indicators (12).
4. Apparatus according to claim 1 to 3 characterised in that the sheet guiding means (4) are arranged with holders (4.2) on a crossbar (9).
5. Apparatus according to claim 1 to 4 characterised in that on the mounting (4.2) a drive block (10) is fixed.
6. Apparatus according to claim 1 to 5 characterised in that the sheet guide means (4, 4.1) is arranged on a toothed crossbar (9) and is adjustable on the crossbar (9) as desired by means of a drive block (10) with an electric motor.
7. Apparatus according to claim 1 to 5 characterised in that the sheet guide means (3) are adjustable by means of a Bowden cable (6) or a flexible shaft and a hand lever (5).
8. Apparatus according to claim 1 to 5 characterised in that the sheet guide means (3, 4, 4.1) are adjustable hydraulically or pneumatically.
9. Apparatus according to claim 1 characterised in that motor driven sheet guide wheels are individually and successively adjustable by means of the central adjustment (8).
10. Apparatus according to claim 1 characterised in that the central adjustment (8) has a digital indicator (13) and press buttons for reading off the various sheet guide means (3,4, 4.1) as well as for adjusting "forwards" and "backwards" the respective sheet guide means (3.4.4.1) called up on the digital indicator (13).
EP84109562A 1983-11-25 1984-08-10 Device at machines for handling sheets Expired EP0146687B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84109562T ATE32995T1 (en) 1983-11-25 1984-08-10 DEVICE ON SHEET FINISHING MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3342663 1983-11-25
DE19833342663 DE3342663A1 (en) 1983-11-25 1983-11-25 DEVICE ON BOW-PROCESSING MACHINES

Publications (2)

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EP0146687A1 EP0146687A1 (en) 1985-07-03
EP0146687B1 true EP0146687B1 (en) 1988-03-16

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EP84109562A Expired EP0146687B1 (en) 1983-11-25 1984-08-10 Device at machines for handling sheets

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US (1) US4572073A (en)
EP (1) EP0146687B1 (en)
JP (1) JPH0661930B2 (en)
AT (1) ATE32995T1 (en)
DE (1) DE3342663A1 (en)

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Also Published As

Publication number Publication date
DE3342663A1 (en) 1985-06-05
JPS60135257A (en) 1985-07-18
ATE32995T1 (en) 1988-04-15
US4572073A (en) 1986-02-25
EP0146687A1 (en) 1985-07-03
JPH0661930B2 (en) 1994-08-17

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