EP0836940A1 - Safety device in printing machines - Google Patents

Safety device in printing machines Download PDF

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Publication number
EP0836940A1
EP0836940A1 EP97810569A EP97810569A EP0836940A1 EP 0836940 A1 EP0836940 A1 EP 0836940A1 EP 97810569 A EP97810569 A EP 97810569A EP 97810569 A EP97810569 A EP 97810569A EP 0836940 A1 EP0836940 A1 EP 0836940A1
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EP
European Patent Office
Prior art keywords
cylinder
protective
protective cover
cylinders
pair
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97810569A
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German (de)
French (fr)
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EP0836940B1 (en
Inventor
Peter Winkler
Max Egger
Andres Miescher
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Wifag Maschinenfabrik AG
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Wifag Maschinenfabrik AG
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Application filed by Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/42—Guards or covers, e.g. for preventing ingress or egress of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0018—Protection means against injury to the operator

Definitions

  • the present invention relates to a protective device on printing presses according to the preamble of claim 1.
  • a generic protective device is from DE 44 02 158 C1 known.
  • the object of the invention is to provide a protective device for Propose printing presses that are part of the printing process involved pressure points against unauthorized access protects and which on the other hand is not involved in the printing process Pressure points by opening the protective device for maintenance work or repairs.
  • each pair of cylinders is comprehensive a blanket cylinder and a plate cylinder, one pivotable, flat shielding the pair of cylinders Protective cover assigned. Every protective cover is individually in their respective protective position or from this Protective position can be swiveled out. This makes it possible individual pairs of cylinders for maintenance or repair work accessible while the other pairs of cylinders operating the same press.
  • Embodiment of the invention access from one its protective position pivoted cover by one shut down cylinder pair to an adjacent one, still in Operation prevented cylinder pair.
  • Figure 1 shows two to one side of a continuous Path-arranged cylinder pairs of an "N" bridge element and a “U” bridge element arranged above it.
  • Several such "N” and “U” bridge elements are alternating arranged one above the other in a printing tower.
  • the illustrated Cylinder pairs are each made up of a blanket cylinder 1 or 3 and a plate cylinder 2 or 4 educated.
  • Each of the cylinder pairs 1, 2 and 3, 4 is one in one Machine frame pivotally mounted, flat Protective cover 10 or 20 assigned.
  • the protective covers 10 and 20 are formed in one piece and flat each shield a pair of cylinders against an unauthorized one Access by an operator.
  • the two protective covers 10 and 20 each in their protective position shown.
  • Between the two on top of each other lying blanket cylinders 1 and 3 is a horizontal one Cover plate as a separable surface 30, preferably by means of Quick couplings, attached to the machine frame.
  • the Partition surface 30 prevents access to either of the two Cylinder pairs 1, 2 and 3, 4 from the side of the adjacent one Cylinder pairs, if that Protective cover swung out of its protective position has been used, for example for the purpose of maintenance work.
  • Each of the protective covers 10 and 20 is one Swivel axis 11 or 21 can be swiveled in the machine frame stored.
  • the pivot axes 11 and 21 run in the cylinder axis direction.
  • the pivot axes 11 and 21 are within of the triangular, free area between cylinder pairs 1, 2 and 3 lying one above the other, 4 arranged.
  • the protective covers 10 and 20 are around their respective pivot axis from its assigned, i.e. to be shielded Pair of cylinders in the direction of each other protective cover too out of the protective position swiveling away.
  • the lower protective cover 20 is for the pair of cylinders the "N" bridge element pivoted upwards.
  • This pair of cylinders 3, 4 is thus for the operating personnel accessible.
  • the interface 30 provides access to the other pair of cylinders 1, 2 prevented. The latter Cylinder pair 1, 2 can therefore continue printing, while the cylinder pair 3, 4 can be serviced.
  • FIG. 3 shows the case in which the upper pair of cylinders 1, 2 has been made accessible for maintenance by the protective cover 10 assigned to this pair of cylinders has been pivoted out of its protective position below is.
  • the separating surface 30 extends on one side to close to continuous path and extends to the other side up to the adjacent pivot axes 11 and 21 of protective covers 10 and 20.
  • These additional cover elements 15 and 25 are available on the press from home; should however, if this is not the case, they are as in the Figures 1 to 5 shown to attach accordingly.
  • Each of the pairs of cylinders is thus for the operator inaccessible by one in Figures 1 to 5 as almost Shielding closed line shown against unauthorized Access protected.
  • the mentioned line extends from the additional cover 15 or 25 over in the protective position located protective cover 10 or 20, which then through the separating surface 30 into the area between the Blanket cylinders 1 and 3 of two superimposed Bridge elements reach into it.
  • the additional cover elements 15 and 25 are essentially horizontal to the adjacent plate cylinder 2 or 4 and can advantageously be used as stops for the serve free end of the protective cover 10 or 20.
  • the respective lower protective element 25 can Operator when performing maintenance or repair work support.
  • the invention requires Protective cover extremely little additional space. It is simply placed between two one above the other Bridge elements pivoted. More bridge elements are not affected. According to the invention anyway existing space between an "N" bridge element and an overlying "U” bridge element for the Purpose of the protection device used. It can be beneficial be the pivot axes 11 and 21 of the protective covers 10 and 20 as far as possible towards the vertically continuous path or on top of each other arranged to move blanket cylinders 1 and 3.
  • Figure 4 shows the arrangement of Figure 1, with additional a washing device assigned to the blanket cylinder 1 41 and a washing device assigned to the blanket cylinder 3 42 are shown.
  • the two washers 41 and 42 are each within the through the protective covers 10 and 20 shielded room above and arranged below the separating surface 30.
  • the respectively assigned washing devices are shown 41 and 42 of Figure 4 by a single Washer 45 replaced, approximately on the imaginary Center line between the blanket cylinders arranged one above the other 1 and 3 is pivotably mounted, that depending on the pivoting position of this washing device 45th either the upper blanket cylinder 1 or the lower one Blanket cylinder 3 can be washed.
  • the washing device 45 takes over Separating function of the separating surface 30.
  • An additional covering to form the interface 30, as shown in the figures 1 to 4 is shown, can be omitted.
  • the pivot axis the washing device 45 extends in the longitudinal direction of the cylinder and lies roughly on the center line between the two superimposed blanket cylinders in the Area between an imaginary connecting line between the axes of rotation of these blanket cylinders and an imaginary one Connection line between the pivot axes 11 and 21 protective covers 10 and 20.
  • a swivel mechanism is an example of the Protective cover 10 shown.
  • On the machine frame G is a crank 13 rotatably mounted about its shaft journal.
  • the bearing is a bearing block attached to the machine frame G. 14.
  • a gas pressure spring 15 is on the lever arm 13 by means of a pin 16 about a to the pivot axis 12 of the protective cover 10 parallel axis rotatably articulated. With your the other end is the gas pressure spring 15 by means of another Swivel or ball joint on the machine frame G supported.
  • the lever arm 13 has the protective cover on it 10 facing in the image plane according to FIG Side two webs 17 and 18, which are U-shaped to each other are arranged.
  • the two webs 17 and 18 are each with provided a hole through which a quick connection for the protective cover 10 serving bolt 19 inserted can be.
  • the protective cover 10 sits on a shaft 12 with one end in the through the webs 17 and 18 formed U-shaped bearing engages.
  • the wave 12 is also at its end engaging in the U provided a hole into which the bolt 19 is inserted becomes. This way the connection between crank 13 and protective cover 10 or shaft 12 thereof produced.
  • the protective cover 10 can thus be simply pull out the bolt 19. On his is protruding beyond the U-shaped bearing 17, 18 end the bolt 19 with pressurized balls or others appropriate means to avoid an unintended Fall out of the bolt 19 in all pivot positions prevent.
  • FIG 6 shows a preferred embodiment of the Swing mechanism for the protective cover 10, in which namely the shaft 12 of the protective cover 10 on the Crank 13 is attached that the pivoting of the protective cover 10 about its pivot axis 11 an additional rotary movement around the rotary bearing of the crank 13 on the machine frame G is superimposed.
  • This is the pivot axis 11 eccentric to the axis of rotation of the crank 13 on the crank 13 attached.
  • the Protective cover 10 is on both sides by means of a swivel mechanism, as shown in Figure 6, on the machine frame G stored.

Abstract

The protective device has a cover (10) which can be turned in the press mounting (G) to protect the cylinder pair (1,2) against access by servicing personnel. When turned away from the cylinder pair, it leaves free access to them. There is one protective cover for each cylinder pair of one printing turret, with alternating U- and N-bridging elements one above the other. The turning axes (11,21) of the protective covers (10,20) are within the region of the turret bounded by the external circumference of the plate cylinder.

Description

Die vorliegende Erfindung betrifft eine Schutzvorrichtung an Druckmaschinen nach dem Oberbegriff von Anspruch 1.The present invention relates to a protective device on printing presses according to the preamble of claim 1.

Eine gattungsgemäße Schutzvorrichtung ist aus der DE 44 02 158 C1 bekannt.A generic protective device is from DE 44 02 158 C1 known.

Aufgabe der Erfindung ist es, eine Schutzvorrichtung für Druckmaschinen vorzuschlagen, die einerseits am Druckprozess beteiligte Druckstellen vor unbefugtem Zugang schützt und die andererseits nicht am Druckprozess beteiligte Druckstellen durch Öffnen der Schutzvorrichtung für Wartungsarbeiten oder Reparaturen zugänglich macht.The object of the invention is to provide a protective device for Propose printing presses that are part of the printing process involved pressure points against unauthorized access protects and which on the other hand is not involved in the printing process Pressure points by opening the protective device for maintenance work or repairs.

Diese Aufgabe wird durch den Gegenstand von Anspruch 1 gelöst.This object is achieved by the subject matter of claim 1 solved.

Erfindungsgemäß ist jedem Zylinderpaar, umfassend jeweils einen Gummituchzylinder und einen Plattenzylinder, eine verschwenkbare, flächenförmig das Zylinderpaar abschirmende Schutzabdeckung zugeordnet. Jede Schutzabdeckung ist einzeln in ihre jeweilige Schutzstellung oder aus dieser Schutzstellung heraus schwenkbar. Hierdurch wird es möglich, einzelne Zylinderpaare für Wartungs- oder Reparaturarbeiten zugänglich zu machen, wärend die anderen Zylinderpaare der gleichen Druckmaschine in Betrieb sind.According to the invention, each pair of cylinders is comprehensive a blanket cylinder and a plate cylinder, one pivotable, flat shielding the pair of cylinders Protective cover assigned. Every protective cover is individually in their respective protective position or from this Protective position can be swiveled out. This makes it possible individual pairs of cylinders for maintenance or repair work accessible while the other pairs of cylinders operating the same press.

Durch die Anordnung der Schwenkachsen der Schutzabdeckungen entsprechend Anspruch 2 benötigt die Schutzvorrichtung erfindungsgemäß besonders wenig zusätzlichen Platz.By arranging the swivel axes of the protective covers according to claim 2 requires the protective device little additional space according to the invention.

Durch die Anordnung einer horizontalen Trennfläche, die auch durch eine ansonsten anderweitig genutzte Vorrichtung der Maschine, vorzugsweise eine schwenkbare Waschvorrichtung, ersetzt werden kann, wird nach einer bevorzugten Ausführungsform der Erfindung der Zugang über eine aus ihrer Schutzstellung geschwenkte Abdeckung von einem stillgesetzten Zylinderpaar zu einem benachbarten, noch im Betrieb befindlichen Zylinderpaar verhindert.By arranging a horizontal dividing surface, the also by an otherwise used device the machine, preferably a swiveling washing device, can be replaced will be preferred Embodiment of the invention access from one its protective position pivoted cover by one shut down cylinder pair to an adjacent one, still in Operation prevented cylinder pair.

Die Erfindung wird nachfolgend anhand von Figuren erläutert. Es zeigen:

Figur 1
zwei übereinander in einem Druckturm angeordnete Zylinderpaare eines "U"- und eines "N"-Brücken-elements mit je einer in Schutzstellung befindlichen Schutzabdeckung;
Figur 2
die Zylinderpaare mit Schutzabdeckungen entsprechend Figur 1, jedoch mit aus der Schutzstellung geschwenkter unterer Schutzabdeckung;
Figur 3
die Anordnung nach den Figuren 1 und 2, jedoch mit abgeschwenkter oberer Schutzabdeckung;
Figur 4
die Anordnung von Figur 1 mit je einer Waschvorrichtung für jedes der Zylinderpaare;
Figur 5
die Anordnung von Figur 1 mit einer schwenkbaren Waschvorrichtung zwischen den beiden übereinander angeordneten Zylinderpaaren; und
Figur 6
einen Schwenkmechanismus für die abschwenkbaren Schutzabdeckungen nach den Figuren 1 bis 5.
The invention is explained below with reference to figures. Show it:
Figure 1
two pairs of cylinders arranged one above the other in a pressure tower of a "U" and an "N" bridge element, each with a protective cover in the protective position;
Figure 2
the pairs of cylinders with protective covers corresponding to Figure 1, but with the lower protective cover pivoted out of the protective position;
Figure 3
the arrangement of Figures 1 and 2, but with the upper protective cover pivoted away;
Figure 4
the arrangement of Figure 1, each with a washing device for each of the pairs of cylinders;
Figure 5
the arrangement of Figure 1 with a pivotable washing device between the two pairs of cylinders arranged one above the other; and
Figure 6
a swivel mechanism for the hinged protective covers according to Figures 1 to 5.

Figur 1 zeigt zwei zu einer Seite einer durchlaufenden Bahn angeordnete Zylinderpaare eines "N"-Brückenelements und eines darüber angeordneten "U"-Brückenelements. Mehrere solcher "N"- und "U"-Brückenelemente sind abwechselnd übereinander in einem Druckturm angeordnet. Die dargestellten Zylinderpaare werden jeweils durch einen Gummituchzylinder 1 bzw. 3 und einen Plattenzylinder 2 bzw. 4 gebildet.Figure 1 shows two to one side of a continuous Path-arranged cylinder pairs of an "N" bridge element and a "U" bridge element arranged above it. Several such "N" and "U" bridge elements are alternating arranged one above the other in a printing tower. The illustrated Cylinder pairs are each made up of a blanket cylinder 1 or 3 and a plate cylinder 2 or 4 educated.

Jedem der Zylinderpaare 1, 2 und 3, 4 ist eine in einem Maschinengestell verschwenkbar gelagerte, flächenförmige Schutzabdeckung 10 bzw. 20 zugeordnet. Die Schutzabdeckungen 10 und 20 sind einstückig flächig ausgebildet und schirmen jeweils ein Zylinderpaar gegen einen unbefugten Zugriff durch eine Bedienperson ab. In Figur 1 sind die beiden Schutzabdeckungen 10 und 20 je in ihrer Schutzstellung dargestellt. Zwischen den beiden übereinander liegenden Gummituchzylindern 1 und 3 ist eine horizontale Abdeckplatte als Trennfläche 30 lösbar, vorzugsweise mittels Schnellkuplungen, am Maschinengestell befestigt. Die Trennfläche 30 verhindert den Zugang zu jedem der beiden Zylinderpaare 1,2 und 3, 4 von der Seite des jeweils benachbarten Zylinderpaars aus, falls nämlich dessen Schutzabdeckung aus ihrer Schutzstellung heraus geschwenkt worden ist, beispielsweise zum Zwecke von Wartungsarbeiten.Each of the cylinder pairs 1, 2 and 3, 4 is one in one Machine frame pivotally mounted, flat Protective cover 10 or 20 assigned. The protective covers 10 and 20 are formed in one piece and flat each shield a pair of cylinders against an unauthorized one Access by an operator. In Figure 1, the two protective covers 10 and 20 each in their protective position shown. Between the two on top of each other lying blanket cylinders 1 and 3 is a horizontal one Cover plate as a separable surface 30, preferably by means of Quick couplings, attached to the machine frame. The Partition surface 30 prevents access to either of the two Cylinder pairs 1, 2 and 3, 4 from the side of the adjacent one Cylinder pairs, if that Protective cover swung out of its protective position has been used, for example for the purpose of maintenance work.

Jede der Schutzabdeckungen 10 bzw. 20 ist um eine Schwenkachse 11 bzw. 21 schwenkbar im Maschinengestell gelagert. Die Schwenkachsen 11 und 21 verlaufen in Zylinderachsrichtung. Die Schwenkachsen 11 und 21 sind innerhalb des dreieckförmigen, freibleibenden Bereichs zwischen jeweils übereinander liegenden Zylinderpaaren 1, 2 und 3, 4 angeordnet. Die Schutzabdeckungen 10 und 20 sind um ihre jeweilige Schwenkachse von ihrem zugeordneten, d.h. abzuschirmenden Zylinderpaar in Richtung auf die jeweils andere Schutzabdeckung zu aus der Schutzstellung heraus wegschwenkbar.Each of the protective covers 10 and 20 is one Swivel axis 11 or 21 can be swiveled in the machine frame stored. The pivot axes 11 and 21 run in the cylinder axis direction. The pivot axes 11 and 21 are within of the triangular, free area between cylinder pairs 1, 2 and 3 lying one above the other, 4 arranged. The protective covers 10 and 20 are around their respective pivot axis from its assigned, i.e. to be shielded Pair of cylinders in the direction of each other protective cover too out of the protective position swiveling away.

In Figur 2 ist die untere Schutzabdeckung 20 für das Zylinderpaar des "N"-Brückenelements nach oben abgeschwenkt. Dieses Zylinderpaar 3, 4 ist somit für das Bedienpersonal zugänglich. Durch die Trennfläche 30 wird jedoch der Zugang zum anderen Zylinderpaar 1, 2 verhindert. Das letztgenannte Zylinderpaar 1, 2 kann somit weiter drucken, während das direkt darunterangeordnete Zylinderpaar 3, 4 gewartet werden kann.In Figure 2, the lower protective cover 20 is for the pair of cylinders the "N" bridge element pivoted upwards. This pair of cylinders 3, 4 is thus for the operating personnel accessible. However, the interface 30 provides access to the other pair of cylinders 1, 2 prevented. The latter Cylinder pair 1, 2 can therefore continue printing, while the cylinder pair 3, 4 can be serviced.

Figur 3 zeigt den Fall, in dem das obere Zylinderpaar 1, 2 für Wartungsarbeiten zugänglich gemacht wurde, indem die diesem Zylinderpaar zugeordnete Schutzabdeckung 10 nach unten aus ihrer Schutzstellung heraus geschwenkt worden ist.FIG. 3 shows the case in which the upper pair of cylinders 1, 2 has been made accessible for maintenance by the protective cover 10 assigned to this pair of cylinders has been pivoted out of its protective position below is.

Die Trennfläche 30 reicht zur einen Seite bis nahe zur durchlaufenden Bahn und erstreckt sich zur anderen Seite bis nahe zu den benachbart angeordneten Schwenkachsen 11 und 21 der Schutzabdeckungen 10 und 20. Den freien Enden der Schutzabdeckungen 10 und 20 in deren Schutzstellung gegenüberliegend sind je eine weitere Abdeckung 15 und 25 angeordnet. Diese zusätzlichen Abdeckungelemente 15 und 25 sind an der Druckmaschine von Hause aus vorhanden; sollte dies jedoch nicht der Fall sein, so sind sie wie in den Figuren 1 bis 5 dargestellt entsprechend anzubringen. Jedes der Zylinderpaare wird somit für die Bedienperson unzugänglich durch eine in den Figuren 1 bis 5 als nahezu geschlossenen Linienzug dargestellte Abschirmung vor unbefugtem Zugang geschützt. Der genannte Linienzug reicht von der zusätzlichen Abdeckung 15 bzw. 25 über die in Schutzstellung befindliche Schutzabdeckung 10 bzw. 20, die dann durch die Trennfläche 30 bis in den Bereich zwischen den Gummituchzylindern 1 und 3 zweier übereinanderangeordneter Brückenelemente hineinreicht. Die zusätzlichen Abdeckelemente 15 und 25 verlaufen im wesentlichen horizontal bis an den jeweils benachbarten Plattenzylinder 2 bzw. 4 heran und können vorteilhafter Weise als Anschläge für das freie Ende der Schutzabdeckung 10 bzw. 20 dienen.The separating surface 30 extends on one side to close to continuous path and extends to the other side up to the adjacent pivot axes 11 and 21 of protective covers 10 and 20. The free ends the protective covers 10 and 20 in their protective position another cover 15 and 25 are located opposite each other arranged. These additional cover elements 15 and 25 are available on the press from home; should however, if this is not the case, they are as in the Figures 1 to 5 shown to attach accordingly. Each of the pairs of cylinders is thus for the operator inaccessible by one in Figures 1 to 5 as almost Shielding closed line shown against unauthorized Access protected. The mentioned line extends from the additional cover 15 or 25 over in the protective position located protective cover 10 or 20, which then through the separating surface 30 into the area between the Blanket cylinders 1 and 3 of two superimposed Bridge elements reach into it. The additional cover elements 15 and 25 are essentially horizontal to the adjacent plate cylinder 2 or 4 and can advantageously be used as stops for the serve free end of the protective cover 10 or 20.

Auf das jeweils unteren Schutzelement 25 kann sich die Bedienperson bei der Ausführung von Wartungs- oder Reperaturarbeiten stützen.The respective lower protective element 25 can Operator when performing maintenance or repair work support.

Wie die Figuren 1 bis 5 zeigen, benötigt die erfindungsgemäße Schutzabdeckung extrem wenig zusätzlichen Platz. Sie wird lediglich zwischen zwei übereinander angeordneten Brückenelementen verschwenkt. Weitere Brückenelemente werden nicht beeinflußt. Erfindungsgemäß wird somit der sowieso vorhandene Raum zwischen einem "N"-Brückenelement und einem darüber angeordneten "U"-Brückenelement für die Zwecke der Schutzvorrichtung genutzt. Dabei kann es vorteilhaft sein, die Schwenkachsen 11 und 21 der Schutzabdeckungen 10 und 20 soweit als möglich in Richtung auf die vertikal durchlaufende Bahn bzw. auf die übereinander angeordneten Gummituchzylinder 1 und 3 zu verschieben.As shown in FIGS. 1 to 5, the invention requires Protective cover extremely little additional space. It is simply placed between two one above the other Bridge elements pivoted. More bridge elements are not affected. According to the invention anyway existing space between an "N" bridge element and an overlying "U" bridge element for the Purpose of the protection device used. It can be beneficial be the pivot axes 11 and 21 of the protective covers 10 and 20 as far as possible towards the vertically continuous path or on top of each other arranged to move blanket cylinders 1 and 3.

Figur 4 zeigt die Anordnung von Figur 1, wobei zusätzlich eine dem Gummituchzylinder 1 zugeordnete Waschvorrichtung 41 und eine dem Gummituchzylinder 3 zugeordnete Waschvorrichtung 42 dargestellt sind. Die beiden Waschvorrichtungen 41 und 42 sind jeweils innerhalb des durch die Schutzabdeckungen 10 und 20 abgeschirmten Raums oberhalb und unterhalb der Trennfläche 30 angeordnet.Figure 4 shows the arrangement of Figure 1, with additional a washing device assigned to the blanket cylinder 1 41 and a washing device assigned to the blanket cylinder 3 42 are shown. The two washers 41 and 42 are each within the through the protective covers 10 and 20 shielded room above and arranged below the separating surface 30.

In Figur 5 sind die jeweils einzelnen zugeordneten Waschvorrichtungen 41 und 42 der Figur 4 durch eine einzige Waschvorrichtung 45 ersetzt, die in etwa auf der gedachten Mittellinie zwischen den übereinander angeordneten Gummituchzylindern 1 und 3 derart verschwenkbar gelagert ist, daß je nach Schwenkstellung dieser Waschvorrichtung 45 entweder der obere Gummituchzylinder 1 oder der untere Gummituchzylinder 3 gewaschen werden können. In dieser zentralen Anordnung übernimmt die Waschvorrichtung 45 die Trennfunktion der Trennfläche 30. Eine zusätzliche Abdekkung zur Bildung der Trennfläche 30, wie dies in den Figuren 1 bis 4 dargestellt ist, kann entfallen. Die Schwenkachse der Waschvorrichtung 45 verläuft in Zylinder-Längsrichtung und liegt in etwa auf der Mittellinie zwischen den beiden übereinander angeordneten Gummituchzylindern im Bereich zwischen einer gedachten Verbindungslinie zwischen den Drehachsen dieser Gummituchzylinder und einer gedachten Verbindungslinie zwischen den Schwenkachsen 11 und 21 der Schutzabdeckungen 10 und 20.In FIG. 5, the respectively assigned washing devices are shown 41 and 42 of Figure 4 by a single Washer 45 replaced, approximately on the imaginary Center line between the blanket cylinders arranged one above the other 1 and 3 is pivotably mounted, that depending on the pivoting position of this washing device 45th either the upper blanket cylinder 1 or the lower one Blanket cylinder 3 can be washed. In this central arrangement, the washing device 45 takes over Separating function of the separating surface 30. An additional covering to form the interface 30, as shown in the figures 1 to 4 is shown, can be omitted. The pivot axis the washing device 45 extends in the longitudinal direction of the cylinder and lies roughly on the center line between the two superimposed blanket cylinders in the Area between an imaginary connecting line between the axes of rotation of these blanket cylinders and an imaginary one Connection line between the pivot axes 11 and 21 protective covers 10 and 20.

In Figur 6 ist ein Schwenkmechanismus beispielhaft für die Schutzabdeckung 10 dargestellt. Am Maschinengestell G ist eine Kurbel 13 um ihren Wellenzapfen drehbar gelagert. Als Lager dient ein am Maschinengestell G befestigter Lagerbock 14. Am Hebelarm 13 ist eine Gasdruckfeder 15 mittels eines Bolzens 16 um eine zur Schwenkachse 12 der Schutzabdeckung 10 parallelen Achse drehbar angelenkt. Mit ihrem anderen Ende ist die Gasdruckfeder 15 mittels eines weiteren Drehgelenks oder Kugelgelenks am Maschinengestell G abgestützt. Der Hebelarm 13 weist an seiner der Schutzabdeckung 10 in der Bildebene nach Figur 6 zugewandten Seite zwei Stege 17 und 18 auf, die zueinander U-förmig angeordnet sind. Die beiden Stege 17 und 18 sind je mit einer Bohrung versehen, durch die ein als Schnellverbindung für die Schutzabdeckung 10 dienender Bolzen 19 eingeschoben werden kann. Die Schutzabdeckung 10 sitzt auf einer Welle 12, die mit einem Ende in das durch die Stege 17 und 18 gebildete U-förmige Lager eingreift. Die Welle 12 ist an ihrem in das U eingreifenden Ende ebenfalls mit einer Bohrung versehen, in die der Bolzen 19 eingeführt wird. Auf diese Weise wird die Verbindung zwischen Kurbel 13 und Schutzabdeckung 10 beziehungsweise deren Welle 12 hergestellt. Die Schutzabdeckung 10 läßt sich somit durch einfaches Herausziehen des Bolzens 19 abnehmen. An seinem über das U-förmige Lager 17, 18 hinausstehenden Ende ist der Bolzen 19 mit druckbeaufschlagten Kugeln oder anderen geeigneten Mitteln versehen, um ein nicht beabsichtigtes Herausfallen des Bolzens 19 in allen Schwenklagen zu verhindern.In Figure 6, a swivel mechanism is an example of the Protective cover 10 shown. On the machine frame G is a crank 13 rotatably mounted about its shaft journal. As The bearing is a bearing block attached to the machine frame G. 14. A gas pressure spring 15 is on the lever arm 13 by means of a pin 16 about a to the pivot axis 12 of the protective cover 10 parallel axis rotatably articulated. With your the other end is the gas pressure spring 15 by means of another Swivel or ball joint on the machine frame G supported. The lever arm 13 has the protective cover on it 10 facing in the image plane according to FIG Side two webs 17 and 18, which are U-shaped to each other are arranged. The two webs 17 and 18 are each with provided a hole through which a quick connection for the protective cover 10 serving bolt 19 inserted can be. The protective cover 10 sits on a shaft 12 with one end in the through the webs 17 and 18 formed U-shaped bearing engages. The wave 12 is also at its end engaging in the U provided a hole into which the bolt 19 is inserted becomes. This way the connection between crank 13 and protective cover 10 or shaft 12 thereof produced. The protective cover 10 can thus be simply pull out the bolt 19. On his is protruding beyond the U-shaped bearing 17, 18 end the bolt 19 with pressurized balls or others appropriate means to avoid an unintended Fall out of the bolt 19 in all pivot positions prevent.

Figur 6 zeigt hierbei eine bevorzugte Ausführungsform des Schwenkmechanismus für die Schutzabdeckung 10, bei der nämlich die Welle 12 der Schutzabdeckung 10 derart an der Kurbel 13 befestigt ist, daß dem Schwenken der Schutzabdeckung 10 um ihre Schwenkachse 11 eine zusätzliche Drehbewegung um die Drehlagerung der Kurbel 13 an dem Maschinengestell G überlagert wird. Hierzu ist die Schwenkachse 11 exzentrisch zur Drehachse der Kurbel 13 an der Kurbel 13 befestigt. Durch diese exzentrische Befestigung kann die jeweils aus der Schutzstellung geschwenkte Schutzabdeckung parallel oder nahezu parallel an die jeweils benachbarte Schutzabdeckung herangeschwenkt werden. Die Schutzabdeckung 10 ist beidseits mittels eines Schwenkmechanismus, wie er in Figur 6 dargestellt ist, am Maschinengestell G gelagert.Figure 6 shows a preferred embodiment of the Swing mechanism for the protective cover 10, in which namely the shaft 12 of the protective cover 10 on the Crank 13 is attached that the pivoting of the protective cover 10 about its pivot axis 11 an additional rotary movement around the rotary bearing of the crank 13 on the machine frame G is superimposed. This is the pivot axis 11 eccentric to the axis of rotation of the crank 13 on the crank 13 attached. With this eccentric attachment the protective cover swiveled out of the protective position parallel or almost parallel to each neighboring protective cover can be pivoted. The Protective cover 10 is on both sides by means of a swivel mechanism, as shown in Figure 6, on the machine frame G stored.

Claims (4)

Schutzvorrichtung an Druckmaschinen,
mit einer flächenförmigen Schutzabdeckung (10), die um eine Schwenkachse (11) schwenkbar in einem Maschinengestell (G) gelagert ist und ein Zylinderpaar, umfassend einen Gummituchzylinder (1) und einen Plattenzylinder (2), vor Zugriff durch Bedienpersonal abschirmt und nach Abschwenken von dem Zylinderpaar (1, 2) den Zugang zu diesem Zylinderpaar (1, 2) freigibt,
dadurch gekennzeichnet, daß für jedes der Zylinderpaare (1, 2; 3, 4) eines Druckturms mit abwechselnd übereinander angeordneten "U"- und "N"-Brückenelementen eine eigene Schutzabdeckung (10; 20) vorgesehen ist.Protection device on printing machines,
with a sheet-like protective cover (10), which is pivotably mounted about a pivot axis (11) in a machine frame (G) and a pair of cylinders, comprising a blanket cylinder (1) and a plate cylinder (2), shields from access by operating personnel and after pivoting from enables the cylinder pair (1, 2) access to this cylinder pair (1, 2),
characterized in that a separate protective cover (10; 20) is provided for each of the cylinder pairs (1, 2; 3, 4) of a printing tower with "U" and "N" bridge elements arranged alternately one above the other. Schutzvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schwenkachsen (11; 21) der Schutzabdeckungen (10; 20) innerhalb des durch den äußeren Umfang der Plattenzylinder (2, 4) begrenzten Bereichs des Druckturms und nahe bei der gedachten Mittellinie zwischen zwei übereinander liegenden Brückenelementen des Druckturms angeordnet sind.Protection device according to claim 1, characterized characterized in that the pivot axes (11; 21) of the protective covers (10; 20) within by the outer circumference the plate cylinder (2, 4) limited area of the Pressure tower and close to the imaginary center line between two superimposed bridge elements of the printing tower are arranged. Schutzvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwischen den Gummituchzylindern (1, 3) zweier im Druckturm übereinander liegender Brückenelemente eine Trennfläche (30) lösbar angeordnet ist.Protection device according to claim 1 or 2, characterized in that that between the blanket cylinders (1, 3) two bridge elements one above the other in the pressure tower a separating surface (30) is detachably arranged. Schutzvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine zwischen zwei übereinander angeordneten Gummituchzylindern (1, 3) eine Waschvorrichtung (45) derart angeordnet ist, daß sie als zusätzliche Schutzabdeckung dient.Protection device according to claim 1 or 2, characterized in that that one between two superimposed Blanket cylinders (1, 3) a washing device (45) is arranged so that it as an additional Protective cover.
EP97810569A 1996-10-15 1997-08-15 Safety device in printing machines Expired - Lifetime EP0836940B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19642561 1996-10-15
DE19642561A DE19642561C5 (en) 1996-10-15 1996-10-15 Protective device on printing machines

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EP0836940A1 true EP0836940A1 (en) 1998-04-22
EP0836940B1 EP0836940B1 (en) 2001-02-28

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ID=7808838

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EP97810569A Expired - Lifetime EP0836940B1 (en) 1996-10-15 1997-08-15 Safety device in printing machines

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EP (1) EP0836940B1 (en)
JP (1) JP3065287B2 (en)
DE (2) DE19642561C5 (en)

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DE10123324C1 (en) * 2001-05-12 2002-08-08 Koenig & Bauer Ag Protection device for a cylinder of a printing press
DE19820331A1 (en) * 1998-05-07 1999-11-11 Roland Man Druckmasch Printing unit for flying printing plate change
FR2778599B1 (en) * 1998-05-13 2000-08-04 Heidelberger Druckmasch Ag DEVICE FOR MOVING CYLINDERS OF PRINTING UNITS OF ROTARY PRINTING MACHINES
US6840174B2 (en) * 2003-01-31 2005-01-11 R. R. Donnelley & Sons Company Debris screen for a printing press
JP4184882B2 (en) * 2003-07-11 2008-11-19 株式会社小森コーポレーション Rotating body covering device for printing machine
WO2006062122A1 (en) * 2004-12-10 2006-06-15 Mitsubishi Heavy Industries, Ltd. Rotary press
DE102005005187A1 (en) * 2005-02-03 2006-08-10 Behr Gmbh & Co. Kg Condenser for an air conditioning system, in particular a motor vehicle
DE102007010762A1 (en) * 2007-03-06 2008-09-11 Man Roland Druckmaschinen Ag Printing unit of a web-fed printing machine

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DE19507992C1 (en) * 1995-03-07 1996-08-22 Roland Man Druckmasch Safety device for a printing machine

Also Published As

Publication number Publication date
DE19642561C2 (en) 2001-05-31
DE59703044D1 (en) 2001-04-05
US5875714A (en) 1999-03-02
EP0836940B1 (en) 2001-02-28
DE19642561A1 (en) 1998-04-23
JPH10119238A (en) 1998-05-12
DE19642561C5 (en) 2004-12-30
JP3065287B2 (en) 2000-07-17

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