EP1597077B1 - Printing machine comprising a blow air unit for drying stock - Google Patents

Printing machine comprising a blow air unit for drying stock Download PDF

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Publication number
EP1597077B1
EP1597077B1 EP04701000A EP04701000A EP1597077B1 EP 1597077 B1 EP1597077 B1 EP 1597077B1 EP 04701000 A EP04701000 A EP 04701000A EP 04701000 A EP04701000 A EP 04701000A EP 1597077 B1 EP1597077 B1 EP 1597077B1
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EP
European Patent Office
Prior art keywords
printing machine
unit
blast air
air unit
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP04701000A
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German (de)
French (fr)
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EP1597077A1 (en
Inventor
Günter Rogge
Udo Pyka
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Publication of EP1597077A1 publication Critical patent/EP1597077A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0423—Drying webs by convection
    • B41F23/0426—Drying webs by convection using heated air

Definitions

  • the invention relates to a printing press according to the preamble of claim 1 and a method for introducing a blown air unit into its working position according to the preamble of Ansprucsh 12.
  • a printing press according to the preamble of claim 1 and a method for introducing a blown air unit into its working position according to the preamble of Ansprucsh 12.
  • the Blas Kunststoffech in a substantially radial direction of the impression cylinder abgurbar and on this again employable by the Blas Kunststofftechnik is guided over carriage or carriage in frame-mounted guides.
  • the blowing device is provided with coupling pieces which are coupled to the lines, one of which is housed in a side frame, respectively.
  • the connecting pieces of the blown air unit and the supply air and exhaust air nozzles of the lines supplying and discharging the blown air have sealing rings made of elastomeric material for a sealing connection. Since the seals are rubbed against each other when moving off and when adjusting, the sealing effect decreases after a short time.
  • the object of the invention is therefore to provide a printing machine of the type described above, in which it is still possible to produce a very tight connection between the inlet and outlet openings of the blown air unit and the supply air and exhaust air ducts even after a relatively long time.
  • the blowing air unit is movable in the insertion process in two independent directions. These movement options make it possible to bring the blower unit initially close to the guided on the guide roller substrate, without touching the seals located on the lines or nozzles. Regardless of this movement, the blower unit can also be moved in such a way that the seals attached to the blower unit or its openings can be pressed onto the seals of the supply air and exhaust air outlets without the seals rubbing against one another. Of course, the movements can also be reversed again in order to separate the blown air unit from the supply air and exhaust air nozzles and to be able to move the blown air unit away from the guide roller for the purpose of observing the printing material.
  • the blown air unit is initially movable in one direction such that the inlet opening with the supply air connection and the outlet opening with the exhaust connection are each on the same alignment axes, and if then the blown air unit in a second direction, which parallel to the axes of flight runs, is movable.
  • Such directions of movement make it possible for the blown air unit initially to be displaced in the direction of the printing material and then to be moved in the second direction, so that a sealing connection is established between the blown air unit and the supply air and exhaust air ducts, without burdening the seals with shear forces.
  • both directions of movement need not be orthogonal to each other.
  • the blast air unit is movable in the second direction, which runs parallel to the flight axes, via means for applying and / or transmitting a force.
  • the seals are made of elastomeric material, they exert a restoring force when compressed. This force must be overcome when moving the blown air unit, which is why means are provided for applying and / or transmitting a force. If the seals are separated from each other, often prevent adhesive forces a complete separation, so that forces must be applied then.
  • Means for applying a force can gain the force, for example, by energy conversion, such as in an electric motor. However, magnetic forces must also be mentioned which can be exploited for the stated purpose.
  • Means for transmitting a force may be, for example, piston-cylinder units that provide the pressure of compressed air directly as a mechanical force.
  • the force provided by the means for applying and / or transmitting a force can be introduced into means for supporting.
  • the provided or a force acting elsewhere can be supplied to a desired point of action.
  • Such means for supporting can be about threaded rods, which perform a linear movement relative to the spindle nut by the provided force via spindle nuts.
  • the means for supporting, at least during the displacement of the blown air unit, the second direction, which runs parallel to the alignment axes, is connected to a component providing a counterforce.
  • the means for supporting thus causes the movement of the blast air unit relative to the supply air and exhaust air pipe.
  • connection can be maintained so that the connection between the seals can not be unintentionally released.
  • the means for applying and / or transmitting the force, the means for supporting and also the components providing the counterforce can be attached to the side frame, to the blown air unit and / or to the supply air and exhaust air connection.
  • the means for applying and / or transmitting a force are a tension lever and / or a resilient element.
  • a resilient element for example a compression spring, can be tensioned, the energy of which can later be used to reliably separate the connection of the blown air unit with the supply and exhaust connection.
  • the means for supporting at least one, aligned substantially parallel to the axes of flight bolts is provided.
  • the bolt is displaceably mounted on the blown air unit.
  • the clamping lever, the resilient element and the bolt can form a functional unit.
  • the bolt can be pushed away from the blower unit via the tension lever.
  • the bolt can then retract again. Since the counterforce acts on the bolt at the same time, the blower unit can be moved by operating the clamping lever.
  • the component providing a counter force is a centering piece fastened to a side frame and / or a catch.
  • the bolt can wear a disc at its end facing the side frame.
  • a centering piece offers the advantage that during the movement in the second direction, which takes place parallel to the axes of flight, the blast air unit does not inadvertently move in the first, independent direction of movement.
  • the means for supporting after reaching the working position of the blown air unit can be fixed. This determination can be made for example via the clamping lever, which may be provided for this purpose with a recess.
  • Fig. 1 shows a section of a printing press according to the invention.
  • This section represents the drying station 1, which comprises the blown air unit 2.
  • handles 3 are attached to the blown air unit 2.
  • On the lateral end walls of the blown air unit 2 are rollers 4, via which the blown air unit is supported on guide rails 5.
  • the guide rails 5 are attached via stud bolts 6 to the side frames 7, 8.
  • the side frame 8 is provided with an opening 9 through which the supply air pipe 10 and the exhaust pipe 11 extend. Both nozzles 10, 11 are fastened in a manner not shown on the side frame 8.
  • the supply air pipe 10 is via a supply air 12th connected to a blast air supply.
  • the solvent-enriched exhaust air is discharged via exhaust pipe 11 and attached to this exhaust hose 13.
  • the nozzle 10, 11 are connected to a counter-holding plate. On these ends of the nozzle seals 26 are placed.
  • a quick-release unit On the side frame 7 facing side of the blown air unit 2, a quick-release unit is attached.
  • the pin 21 is slidably mounted.
  • a compression spring not shown acts on the pin 21, that it always experiences a force in the direction of the lever 18.
  • the lever 18 is also connected via a web 17 with the guide 16, so that the movement distance of the bolt 21 is limited.
  • a disk 22 fastened to the end of the side frame 7 grips under the hook 25, which is fixedly connected to the side frame 7 via a receptacle 24.
  • the restoring force of the compression spring in conjunction with the hook 25 causes a relative movement of the blown air unit in the direction of the side frame 7, wherein the movement distance is dimensioned over the web 17, that the blown air unit 2, the gaskets 26 no longer touched.
  • the lever 18 is equipped with an eccentric 20. If the lever 18 is now folded over the handle 19 by the operator, the eccentric 20 pushes the bolt 21 in the direction of the side frame 7. The attached to the bolt 21 centering piece 23 sums into a bore of the receptacle 24. The disc 22 is after a short Idle distance on the receptacle 24, so that the pin 21 can not move further relative to the side frame 7. Upon further actuation of the lever 18, the Blastufttician 2 moves in the direction of the side frame 8, so that the Blaslufthow 2 finally reaches its working position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The invention relates to a printing machine, preferably a rotation printing machine, with at least one guide roller ( 14 ), which is mounted between two side frames ( 7, 8 ). A printing substrate can be guided via the guide roller and at least one print roller can be placed on the guide roller. The printing machine has at least one blast air unit ( 2 ) that is arranged in the rotation direction of the guide roller ( 14 ) behind the print roller. The blast air unit ( 2 ) blows out blast air on the substrate that can be inserted into and removed from its working position. The blast air unit ( 2 ) comprises inlet and outlet openings ( 29, 30 ) that can be connected to frame-fixed air inlets ( 10 ) and air vents ( 11 ) wherein the air inlets ( 10 ) and the air vents ( 11 ) and/or the inlet and outlet openings ( 29, 30 ) are bordered by sealings ( 26, 28 ). The printing machine is characterized in that, the blast air unit ( 2 ) can be moved during the insertion process in two directions that are independent of one another.

Description

Die Erfindung betrifft eine Druckmaschine gemäß dem Oberbegriff des Anspruchs 1 und ein Verfahren zum Einbringen einer Blaslufteinheit in ihre Arbeitsposition gemäß dem Oberbegriff des Ansprucsh 12. Um die Druckbilder hinter den einzelnen Druckwerken, insbesondere beim Andruck, beobachten zu können, ist es bei Druckmaschinen notwendig, die Blaslufteinheiten vorübergehend aus ihren Arbeitspositionen zu entfernen, da diese, wenn sie dicht an eine den Bedruckstoff führenden Walze, etwa einen Gegendruckzylinder, angestellt sind, den Blick auf den Bedruckstoff verdecken. Weiterhin müssen die Blaslufteinheiten, auf denen und in denen sich im Druckbetrieb feiner Farbstaub und sonstiger Schmutz absetzen kann, zur Reinigung entfernt werden können.The invention relates to a printing press according to the preamble of claim 1 and a method for introducing a blown air unit into its working position according to the preamble of Ansprucsh 12. In order to observe the printed images behind the individual printing units, especially when proof, it is necessary in printing machines, to temporarily remove the blower units from their working positions, as these, when they are close to a substrate leading to the substrate, such as a counter-pressure cylinder, hired to cover the view of the substrate. Furthermore, the blast air units on which and in which fine dust and other dirt can settle in printing operation, can be removed for cleaning.

Bei einer solchen aus DE 199 03 607 A1 bekannten Vorrichtung der eingangs beschriebenen Art ist die Blaslufteinheit in im wesentlichen radialer Richtung von dem Gegendruckzylinder abrückbar und an diesen wieder anstellbar, indem die Blaslufteinheit über Schlitten oder Wagen in gestellfesten Führungen geführt wird. Um die Blasvorrichtung mit den die Blasluft zuführenden und abführenden Leitungen zu verbinden, ist die Blasvorrichtung mit Kupplungsstücken versehen, die mit den Leitungen, von denen je eine in einem Seitengestell untergebracht ist, kuppelbar sind. Die Anschlussstutzen der Blaslufteinheit und die Zuluft- und Abluftstutzen der die Blasluft zuführenden und abführenden Leitungen weisen zur dichtenden Verbindung Dichtringe aus elastomerem Material auf. Da beim Abrücken und beim Anstellen die Dichtungen aneinander gerieben werden, lässt die dichtende Wirkung schon nach kurzer Zeit nach.In such an off DE 199 03 607 A1 known device of the type described above, the Blaslufteinheit in a substantially radial direction of the impression cylinder abrückbar and on this again employable by the Blaslufteinheit is guided over carriage or carriage in frame-mounted guides. In order to connect the blowing device with the blowing air supplying and discharging lines, the blowing device is provided with coupling pieces which are coupled to the lines, one of which is housed in a side frame, respectively. The connecting pieces of the blown air unit and the supply air and exhaust air nozzles of the lines supplying and discharging the blown air have sealing rings made of elastomeric material for a sealing connection. Since the seals are rubbed against each other when moving off and when adjusting, the sealing effect decreases after a short time.

Die Aufgabe der Erfindung ist es daher, eine Druckmaschine der eingangs beschriebenen Art zu schaffen, bei der sich zwischen den Einlass- und Auslassöffnungen der Blaslufteinheit und den Zuluft- und Abluftstutzen auch nach längerer Zeit noch eine sehr dichte Verbindung herstellen lässt.The object of the invention is therefore to provide a printing machine of the type described above, in which it is still possible to produce a very tight connection between the inlet and outlet openings of the blown air unit and the supply air and exhaust air ducts even after a relatively long time.

Die Aufgabe wird durch die im kennzeichnenden Teil im Anspruch 1 genannten Merkmale gelöst.The problem is solved by the features mentioned in the characterizing part of claim 1.

Demnach ist die Blaslufteinheit beim Einsetzvorgang in zwei voneinander unabhängige Richtungen bewegbar. Diese Bewegungsmöglichkeiten ermöglichen es, die Blaslufteinheit zunächst nahe an den auf der Führungswalze geführten Bedruckstoff heranzuführen, ohne dass sich die an den Leitungen oder Stutzen befindlichen Dichtungen berühren. Unabhängig von dieser Bewegung lässt sich die Blaslufteinheit zusätzlich so bewegen, dass die an der Blaslufteinheit bzw. dessen Öffnungen angebrachten Dichtungen auf die Dichtungen der Zuluft- und Abluftstutzen drücken lassen, ohne dass die Dichtungen aneinander reiben. Selbstverständlich lassen sich die Bewegungen auch wieder umkehren, um die Blaslufteinheit von den Zuluft- und Abluftstutzen trennen und die Blaslufteinheit von der Führungswalze zum Zweck der Beobachtung des Bedruckstoffes abrücken zu können.Thus, the blowing air unit is movable in the insertion process in two independent directions. These movement options make it possible to bring the blower unit initially close to the guided on the guide roller substrate, without touching the seals located on the lines or nozzles. Regardless of this movement, the blower unit can also be moved in such a way that the seals attached to the blower unit or its openings can be pressed onto the seals of the supply air and exhaust air outlets without the seals rubbing against one another. Of course, the movements can also be reversed again in order to separate the blown air unit from the supply air and exhaust air nozzles and to be able to move the blown air unit away from the guide roller for the purpose of observing the printing material.

Vorteilhaft ist es dabei, wenn die Blaslufteinheit zunächst derart in eine Richtung bewegbar ist, dass anschließend die Einlassöffnung mit dem Zuluftstutzen und die Auslassöffnung mit dem Abluftstutzen jeweils auf gleichen Fluchtachsen liegen, und wenn anschließend die Blaslufteinheit in eine zweite Richtung, welche parallel zu den Fluchtachsen verläuft, bewegbar ist. Solche Bewegungsrichtungen ermöglichen es, dass die Blaslufteinheit zunächst in Richtung auf den Bedruckstoff verschoben wird und anschließend in die zweite Richtung verrückt wird, so dass eine dichtende Verbindung zwischen der Blaslufteinheit und den Zuluft- und Abluftstutzen hergestellt wird, ohne die Dichtungen mit Scherkräften zu belasten. Beide Bewegungsrichtungen brauchen dazu jedoch nicht orthogonal zueinander sein.It is advantageous in this case if the blown air unit is initially movable in one direction such that the inlet opening with the supply air connection and the outlet opening with the exhaust connection are each on the same alignment axes, and if then the blown air unit in a second direction, which parallel to the axes of flight runs, is movable. Such directions of movement make it possible for the blown air unit initially to be displaced in the direction of the printing material and then to be moved in the second direction, so that a sealing connection is established between the blown air unit and the supply air and exhaust air ducts, without burdening the seals with shear forces. However, both directions of movement need not be orthogonal to each other.

In einer bevorzugten Ausführungsform der Erfindung ist die Blaslufteinheit in die zweite Richtung, welche parallel zu den Fluchtachsen verläuft, über Mittel zum Aufbringen und/oder Übertragen einer Kraft bewegbar. Da die Dichtungen aus elastomeren Material bestehen, üben sie, wenn sie zusammengedrückt werden, eine Rückstellkraft aus. Diese Kraft muss beim Verschieben der Blaslufteinheit überwunden werden, weshalb über Mittel zum Aufbringen und/oder Übertragen einer Kraft vorgesehen sind. Sollten die Dichtungen von einander getrennt werden, verhindern häufig haftende Kräfte eine vollständige Trennung, so dass auch dann Kräfte aufgebracht werden müssen. Mittel zum Aufbringen einer Kraft können die Kraft beispielsweise durch Energieumwandlung, wie etwa bei einem Elektromotor, gewinnen. Jedoch sind auch magnetische Kräfte zu nennen, die zu dem genannten Zweck ausgenutzt werden können. Mittel zum Übertragen einer Kraft können beispielsweise Kolbenzylindereinheiten sein, die den Druck von Druckluft direkt als mechanische Kraft bereitstellen.In a preferred embodiment of the invention, the blast air unit is movable in the second direction, which runs parallel to the flight axes, via means for applying and / or transmitting a force. Since the seals are made of elastomeric material, they exert a restoring force when compressed. This force must be overcome when moving the blown air unit, which is why means are provided for applying and / or transmitting a force. If the seals are separated from each other, often prevent adhesive forces a complete separation, so that forces must be applied then. Means for applying a force can gain the force, for example, by energy conversion, such as in an electric motor. However, magnetic forces must also be mentioned which can be exploited for the stated purpose. Means for transmitting a force may be, for example, piston-cylinder units that provide the pressure of compressed air directly as a mechanical force.

In weiterer Ausgestaltung der Erfindung ist die von den Mitteln zum Aufbringen und/oder Übertragen einer Kraft bereitgestellte Kraft in Mittel zum Abstützen einleitbar. Auf diese Weise kann die bereitgestellte oder eine an anderer Stelle wirkende Kraft einem gewünschten Wirkpunkt zugeführt werden. Solche Mittel zum Abstützen können etwa Gewindestangen sein, die durch die bereitgestellte Kraft über Spindelmuttern eine Linearbewegung relativ zur Spindelmutter durchführen.In a further embodiment of the invention, the force provided by the means for applying and / or transmitting a force can be introduced into means for supporting. In this way, the provided or a force acting elsewhere can be supplied to a desired point of action. Such means for supporting can be about threaded rods, which perform a linear movement relative to the spindle nut by the provided force via spindle nuts.

In einer besonders bevorzugten Ausführung steht das Mittel zum Abstützen zumindest während der Verschiebung der Blaslufteinheit die zweite Richtung, welche parallel zu den Fluchtachsen verläuft, mit einem eine Gegenkraft bereitstellendes Bauteil in Verbindung. Das Mittel zum Abstützen bewirkt somit die Bewegung der Blaslufteinheit relativ zu den Zuluft- und Abluftstutzen.In a particularly preferred embodiment, the means for supporting, at least during the displacement of the blown air unit, the second direction, which runs parallel to the alignment axes, is connected to a component providing a counterforce. The means for supporting thus causes the movement of the blast air unit relative to the supply air and exhaust air pipe.

Befindet sich die Blaslufteinheit in Arbeitsposition, kann das die Verbindung bestehen bleiben, so dass sich die Verbindung zwischen den Dichtungen nicht ungewollt lösen kann. Die Mittel zum Aufbringen und/oder Übertragen der Kraft, die Mittel zum Abstützen und auch die die Gegenkraft bereitstellende Bauteile können am Seitengestell, an der Blaslufteinheit und/oder an den Zuluft- und Abluftstutzen angebracht sein.If the blower unit is in the working position, the connection can be maintained so that the connection between the seals can not be unintentionally released. The means for applying and / or transmitting the force, the means for supporting and also the components providing the counterforce can be attached to the side frame, to the blown air unit and / or to the supply air and exhaust air connection.

Vorteilhaft ist es jedoch, wenn die Mittel zum Aufbringen und/oder Übertragen der Kraft an der Blaslufteinheit gelagert sind.However, it is advantageous if the means for applying and / or transmitting the force are mounted on the blown air unit.

In bevorzugter Ausführungsform sind die Mittel zum Aufbringen und/oder Übertragen einer Kraft ein Spannhebel und/oder ein federndes Element. Durch den Spannhebel lässt sich dann die Blaslufteinheit in ihre Arbeitsposition bringen. Gleichzeitig kann mit der aufgebrachten Kraft ein federndes Element, beispielsweise eine Druckfeder, gespannt werden, dessen Energie später genutzt werden kann, um die Verbindung der Blaslufteinheit mit den Zu- und Abluftstutzen wieder zuverlässig zu trennen.In a preferred embodiment, the means for applying and / or transmitting a force are a tension lever and / or a resilient element. By means of the cocking lever, the blower unit can then be brought into its working position. At the same time, with the applied force, a resilient element, for example a compression spring, can be tensioned, the energy of which can later be used to reliably separate the connection of the blown air unit with the supply and exhaust connection.

In einer vorteilhaften Weiterbildung bestehen die Mittel zum Abstützen zumindest aus einem, im wesentlichen parallel zu den Fluchtachsen ausgerichteten Bolzen.In an advantageous development, the means for supporting at least one, aligned substantially parallel to the axes of flight bolts.

Vorteilhafterweise ist der Bolzen verschieblich an der Blaslufteinheit gelagert. Durch diese Maßnahme können der Spannhebel, das federnde Element und der Bolzen eine Funktionseinheit bilden. Über den Spannhebel lässt sich der Bolzen aus Sicht der Blaslufteinheit wegdrücken. Über die dazu entgegensetzt wirkende Kraft der Feder lässt sich der Bolzen dann wieder einziehen. Da gleichzeitig die Gegenkraft auf den Bolzen wirkt, lässt sich die Blaslufteinheit durch die Betätigung des Spannhebels bewegen.Advantageously, the bolt is displaceably mounted on the blown air unit. By this measure, the clamping lever, the resilient element and the bolt can form a functional unit. The bolt can be pushed away from the blower unit via the tension lever. About the opposite acting force of the spring, the bolt can then retract again. Since the counterforce acts on the bolt at the same time, the blower unit can be moved by operating the clamping lever.

In einer weiteren vorteilhaften Ausführungsform ist das eine Gegenkraft bereitstellende Bauteil ein an einem Seitengestell befestigtes Zentrierstück und/oder ein Haken. Um unter den Haken fassen zu können, kann der Bolzen an seinem dem Seitengestell zugewandten Ende eine Scheibe tragen. Ein Zentrierstück bietet den Vorteil, dass die Blaslufteinheit während der Bewegung in der zweiten Richtung, welche parallel zu den Fluchtachsen erfolgt, nicht versehentlich eine Bewegung in die erste, davon unabhängige Bewegungsrichtung durchführt.In a further advantageous embodiment, the component providing a counter force is a centering piece fastened to a side frame and / or a catch. In order to be able to take under the hook, the bolt can wear a disc at its end facing the side frame. A centering piece offers the advantage that during the movement in the second direction, which takes place parallel to the axes of flight, the blast air unit does not inadvertently move in the first, independent direction of movement.

In weiterer Ausgestaltung der Erfindung ist das Mittel zum Abstützen nach dem Erreichen der Arbeitsposition der Blaslufteinheit festlegbar. Diese Festlegung kann beispielsweise über den Spannhebel erfolgen, der zu diesem Zweck mit einer Vertiefung versehen sein kann.In a further embodiment of the invention, the means for supporting after reaching the working position of the blown air unit can be fixed. This determination can be made for example via the clamping lever, which may be provided for this purpose with a recess.

Ein besonders bevorzugtes Ausführungsbeispiel der Erfindung geht aus den Zeichnungen und der gegenständlichen Beschreibung hervor.A particularly preferred embodiment of the invention will become apparent from the drawings and the subject description.

Die einzelnen Figuren zeigen:The individual figures show:

Fig. 1Fig. 1
Blaslufteinheit einer erfindungsgemäßen Druckmaschine in von den Zu- und Abluftleitungen abgerückter Position.Blown air unit of a printing press according to the invention in the position withdrawn from the supply and exhaust air lines.
Fig. 2Fig. 2
Blaslufteinheit einer erfindungsgemäßen Druckmaschine in Arbeitsposition.Blown air unit of a printing press according to the invention in the working position.

Fig. 1 zeigt einen Ausschnitt einer erfindungsgemäßen Druckmaschine. Dieser Ausschnitt stellt die Trockenstation 1 dar, die die Blaslufteinheit 2 umfasst. Um diese an den Gegendruckzylinder 14 an- und wieder abrücken zu können, sind Handgriffe 3 an der Blaslufteinheit 2 angebracht. An den seitlichen Stirnwänden der Blaslufteinheit 2 befinden sich Rollen 4, über die sich die Blaslufteinheit auf Führungsschienen 5 abstützt. Die Führungsschienen 5 sind über Stehbolzen 6 an den Seitengestellen 7, 8 befestigt. Das Seitengestell 8 ist mit einem Durchbruch 9 versehen, durch den der Zuluftstutzen 10 und der Abluftstutzen 11 reichen. Beide Stutzen 10, 11 sind auf nicht dargestellte Weise am Seitengestell 8 befestigt. Der Zuluftstutzen 10 ist über einen Zuluftschlauch 12 mit einer Blasluftversorgung verbunden. Die mit Lösungsmittel angereicherte Abluft wird über Abluftstutzen 11 und einen an diesem befestigten Abluftschlauch 13 abgeführt. An der den Schläuchen 12, 13 gegenüberliegenden Seite der Stutzen 10, 11 sind die Stutzen 10, 11 mit einem Gegenhalteblech verbunden. Auf diesen Enden der Stutzen sind Dichtungen 26 aufgesetzt. Fig. 1 shows a section of a printing press according to the invention. This section represents the drying station 1, which comprises the blown air unit 2. To this on the impression cylinder 14 and to be able to move away again, handles 3 are attached to the blown air unit 2. On the lateral end walls of the blown air unit 2 are rollers 4, via which the blown air unit is supported on guide rails 5. The guide rails 5 are attached via stud bolts 6 to the side frames 7, 8. The side frame 8 is provided with an opening 9 through which the supply air pipe 10 and the exhaust pipe 11 extend. Both nozzles 10, 11 are fastened in a manner not shown on the side frame 8. The supply air pipe 10 is via a supply air 12th connected to a blast air supply. The solvent-enriched exhaust air is discharged via exhaust pipe 11 and attached to this exhaust hose 13. At the hoses 12, 13 opposite side of the nozzle 10, 11, the nozzle 10, 11 are connected to a counter-holding plate. On these ends of the nozzle seals 26 are placed.

An der dem Seitengestell 7 zugewandten Seite der Blaslufteinheit 2 ist eine Schnellspanneinheit befestigt. In einer Führung 16 ist der Bolzen 21 verschieblich gelagert. Innerhalb dieser Führung 16 wirkt eine nicht dargestellte Druckfeder derart auf den Bolzen 21, dass dieser stets eine Kraft in Richtung auf den Hebel 18 erfährt. Der Hebel 18 ist über einen Steg 17 ebenfalls mit der Führung 16 verbunden, so dass die Bewegungsweite des Bolzens 21 begrenzt ist.On the side frame 7 facing side of the blown air unit 2, a quick-release unit is attached. In a guide 16, the pin 21 is slidably mounted. Within this guide 16, a compression spring, not shown acts on the pin 21, that it always experiences a force in the direction of the lever 18. The lever 18 is also connected via a web 17 with the guide 16, so that the movement distance of the bolt 21 is limited.

In dieser Ausgangsposition des Bolzens 21 fasst eine an dessen dem Seitengestell 7 zugewandten Ende befestigte Scheibe 22 unter den Haken 25, der über eine Aufnahme 24 fest mit dem Seitengestell 7 verbunden ist. Die Rückstellkraft der Druckfeder bewirkt in Verbindung mit dem Haken 25 eine Relativbewegung der Blaslufteinheit in Richtung auf das Seitengestell 7, wobei die Bewegungsweite derart über den Steg 17 bemessen ist, dass die Blaslufteinheit 2 die Dichtungen 26 nicht mehr berührt.In this starting position of the bolt 21, a disk 22 fastened to the end of the side frame 7 grips under the hook 25, which is fixedly connected to the side frame 7 via a receptacle 24. The restoring force of the compression spring in conjunction with the hook 25 causes a relative movement of the blown air unit in the direction of the side frame 7, wherein the movement distance is dimensioned over the web 17, that the blown air unit 2, the gaskets 26 no longer touched.

Soll nun eine dichtende Verbindung zwischen den Stutzen 10, 11 und der Blaslufteinheit 2 hergestellt werden, so muss letztere in Richtung auf das Seitengestell 8 bewegt werden. Zu diesem Zweck ist der Hebel 18 mit einem Exzenter 20 ausgestattet. Wird der Hebel 18 nun über den Handgriff 19 vom Bedienpersonal umgelegt, so drückt der Exzenter 20 den Bolzen 21 in Richtung auf das Seitengestell 7. Das am Bolzen 21 befestigte Zentrierstück 23 fasst in eine Bohrung der Aufnahme 24. Die Scheibe 22 liegt nach einer kurzen Leerlaufstrecke auf der Aufnahme 24 auf, so dass sich der Bolzen 21 nicht mehr weiter relativ zum Seitengestell 7 bewegen kann. Bei weiterer Betätigung des Hebels 18 bewegt sich die Blastufteinheit 2 in Richtung auf das Seitengestell 8, so dass die Blaslufteinheit 2 schließlich ihre Arbeitsposition erreicht.If now a sealing connection between the nozzle 10, 11 and the blown air unit 2 are made, then the latter must be moved in the direction of the side frame 8. For this purpose, the lever 18 is equipped with an eccentric 20. If the lever 18 is now folded over the handle 19 by the operator, the eccentric 20 pushes the bolt 21 in the direction of the side frame 7. The attached to the bolt 21 centering piece 23 sums into a bore of the receptacle 24. The disc 22 is after a short Idle distance on the receptacle 24, so that the pin 21 can not move further relative to the side frame 7. Upon further actuation of the lever 18, the Blastufteinheit 2 moves in the direction of the side frame 8, so that the Blaslufteinheit 2 finally reaches its working position.

In dieser Arbeitsposition liegt die Blaslufteinheit 2 an dem Gegenhalteblech 27 an. Diese Position ist in Fig. 2 gezeigt. Dabei werden die Dichtungen 26 gegen Gegendichtungen 28 gedrückt, welche die Einlassöffnung 29 und die Auslassöffnung der Blaslufteinheit 2 begrenzen. In der Arbeitsposition ist der Hebel 18 derart weit umgelegt, dass die Rückstellkraft der Feder den Bolzen 21 in die Mulde zwischen dem Exzenter 20 und den Hebel 18 drückt. Auf diese Weise wird das unbeabsichtigte Lösen des Hebels 18 verhindert. Bezugszeichenliste 1 Trockenstation 2 Blaslufteinheit 3 Handgriff 4 Rollen 5 Führungsschiene 6 Stehbolzen 7 Seitengestell 8 Seitengestell 9 Durchbruch 10 Zuluftstutzen 11 Abluftstutzen 12 Zuluftschlauch 13 Abluftschlauch 14 Gegendruckzylinder 15 Schnellspanneinheit 16 Führung 17 Steg 18 Hebel 19 Handgriff 20 Exzenter 21 Bolzen 22 Scheibe 23 Zentrierstück 24 Aufnahme 25 Haken 26 Dichtungen 27 Gegenhalteblech 28 Gegendichtungen 29 Einlassöffnung 30 Auslassöffnung In this working position, the blast air unit 2 abuts on the counter-holding plate 27. This position is in Fig. 2 shown. In this case, the seals 26 are pressed against counter-seals 28, which limit the inlet opening 29 and the outlet opening of the blown air unit 2. In the working position, the lever 18 is folded so far that the restoring force of the spring pushes the pin 21 in the trough between the eccentric 20 and the lever 18. In this way, the unintentional release of the lever 18 is prevented. LIST OF REFERENCE NUMBERS 1 drying station 2 blast air 3 handle 4 roll 5 guide rail 6 studs 7 side frame 8th side frame 9 breakthrough 10 supply air 11 air vent 12 Air supply 13 exhaust hose 14 Impression cylinder 15 Quick clamping unit 16 guide 17 web 18 lever 19 handle 20 eccentric 21 bolt 22 disc 23 centering 24 admission 25 hook 26 seals 27 Against retaining plate 28 against seals 29 inlet port 30 outlet

Claims (13)

  1. Printing machine, preferably a rotation printing machine with at least one guide roller (14), which is located between two side frames (7, 8), a printing substrate that is guidable via the guide roller and at least one print roller that is placeable on the guide roller (14), and at least one blast air unit (2) that is arranged in a rotation direction of the guide roller behind the print roller in order to blow blast air on the substrate and that is insertable into and removable from a working position, the blast air unit including inlet and outlet opening (29, 30) that are connectable to frame-fixed air inlets (10) and air vents (11), the air inlets (10) and the air vents (11) and/or the inlet and outlet openings (29, 30) are being bordered by sealings (26, 28)
    characterized in that
    the blast air unit (2) is movable in two directions independent of each other during the blast air unit insertion.
  2. Printing machine according to claim 1,
    characterized in that
    the blast air unit (2) is movable during the insertion in the first direction such that the inlet opening (29) with the air inlet (10) and the outlet opening (30) with the air vent (11) each lie respectively on a same alignment axis and in the second direction that extends parallel to the alignment axes.
  3. Printing machine according to claim 2,
    characterized in that
    the blast air unit (2) is movable in the second direction parallel to the alignment axes via a force provided by a force application and/or transfer unit (15, 17, 18, 19).
  4. Printing machine according to claim 3,
    characterized in that
    the force application and/or transfer unit (15, 17, 18, 19) is communicated to a support unit (21, 22, 23)
  5. Printing machine according to claim 4,
    characterized in that
    the support unit (21, 22, 23) is connected at least during the displacement of the blast air unit (2) in the second direction running parallel to the alignment axes to a component (24, 25) providing a counteracting force.
  6. Printing machine according to one of the claims 3 to 5,
    characterized in that
    the force application and/or transfer unit (15, 17, 18, 19) is supported on the blast air unit (2).
  7. Printing machine according to one of the claims 3 to 6,
    characterized in that
    the force application and/or transfer means is a clamping lever (15, 17, 18, 19) and/or a springy element.
  8. Printing machine according to one of the claims 3 to 7,
    characterized in that
    the support means comprise at least one bolt (21, 22) that is substantially aligned parallel to the alignment axes.
  9. Printing machine according to claim 8,
    characterized in that
    the bolt (21, 22) is displaceably mounted on the blast air unit (2).
  10. Printing machine according to one of the claims 3 to 9,
    characterized in that
    a component providing the counteracting force is a centering piece (24) that is attached to a side frame (7, 8) and/or a hook (25).
  11. Printing machine according to one of the claims 3 to 10,
    characterized in that
    the support means (21, 22) can be fixed after reaching the working position of the blast air unit (2).
  12. Process for inserting a blast air unit (2) in its working position in a printing machine wherein the blast air unit (2) in its working position applies blast air on a printing substrate that is guided on a guide roller (14) and just printed and wherein the blast air unit (2) comprises inlet and outlet openings (29, 30) that are bordered with sealings (28) and connected to frame-fixed air inlets and air vents (10, 11) that are also bordered with sealings (26). The process is
    characterized in that
    the blast air unit (2) is moved during the insertion process in two directions that are independent of one another.
  13. Process according to claim 12,
    characterized in that
    the blast air unit (2) can firstly be moved during the insertion process in one direction in such a manner that the inlet opening (29) aligns with the air inlet (10) and the outlet opening (30) with the air vent (11) and that the blast air unit (2) is moved in a second direction that runs parallel to the alignment axes.
EP04701000A 2003-02-14 2004-01-09 Printing machine comprising a blow air unit for drying stock Expired - Lifetime EP1597077B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10306614 2003-02-14
DE10306614 2003-02-14
PCT/EP2004/000146 WO2004071769A1 (en) 2003-02-14 2004-01-09 Printing machine comprising a blow air unit for drying stock

Publications (2)

Publication Number Publication Date
EP1597077A1 EP1597077A1 (en) 2005-11-23
EP1597077B1 true EP1597077B1 (en) 2009-04-08

Family

ID=32863824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04701000A Expired - Lifetime EP1597077B1 (en) 2003-02-14 2004-01-09 Printing machine comprising a blow air unit for drying stock

Country Status (6)

Country Link
US (1) US20060137552A1 (en)
EP (1) EP1597077B1 (en)
AT (1) ATE427832T1 (en)
DE (1) DE502004009313D1 (en)
ES (1) ES2322355T3 (en)
WO (1) WO2004071769A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK176520B1 (en) * 2003-09-18 2008-07-07 Tresu Anlaeg As Sheet offset machine, drying unit and method for drying in sheet offset machine
ES2395185B1 (en) * 2011-08-12 2013-11-22 Comexi Group Industries, Sau DEVICE AND CONNECTION / DISCONNECTION METHOD OF A DRY AIR CIRCUIT FOR A PRINTER MACHINE.
CN109572243B (en) * 2018-10-30 2020-12-25 合肥汉闻数字印刷设备有限公司 Ribbon printing equipment is knitted to regulation type of being convenient for
CN109435496B (en) * 2018-10-30 2020-12-25 合肥汉闻数字印刷设备有限公司 Two-sided printing and drying device for woven ribbon

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593595A (en) * 1948-04-08 1952-04-22 Offen Bernard Apparatus for chilling webs
US3667132A (en) * 1970-07-13 1972-06-06 Herbert Products Web drier and method of treating a web in continuous sheet printing machines
DE4308712B4 (en) * 1993-03-18 2005-10-13 Windmöller & Hölscher Kg press
US5771054A (en) * 1995-05-30 1998-06-23 Xerox Corporation Heated drum for ink jet printing
US6082257A (en) * 1998-08-19 2000-07-04 Howard W. DeMoore Printing unit with anilox roller bearer positioning
DE19903607A1 (en) 1999-01-29 2000-08-03 Windmoeller & Hoelscher Printer especially flexographic printer has counter pressure cylinder, printing groups in frame, blower movable along guides and carriages
US6152031A (en) * 1999-02-10 2000-11-28 Decruz; Rudolf R. STS dayloader system

Also Published As

Publication number Publication date
EP1597077A1 (en) 2005-11-23
US20060137552A1 (en) 2006-06-29
WO2004071769A1 (en) 2004-08-26
ATE427832T1 (en) 2009-04-15
DE502004009313D1 (en) 2009-05-20
ES2322355T3 (en) 2009-06-19

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