DE102007037327A1 - Printing machine, uses proportional valve for control of working cylinder for adjusting printing-on and printing-off positions - Google Patents
Printing machine, uses proportional valve for control of working cylinder for adjusting printing-on and printing-off positions Download PDFInfo
- Publication number
- DE102007037327A1 DE102007037327A1 DE102007037327A DE102007037327A DE102007037327A1 DE 102007037327 A1 DE102007037327 A1 DE 102007037327A1 DE 102007037327 A DE102007037327 A DE 102007037327A DE 102007037327 A DE102007037327 A DE 102007037327A DE 102007037327 A1 DE102007037327 A1 DE 102007037327A1
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- pressure
- printing
- proportional valve
- working cylinder
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/04—Tripping devices or stop-motions
- B41F33/08—Tripping devices or stop-motions for starting or stopping operation of cylinders
-
- 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
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/34—Cylinder lifting or adjusting devices
- B41F13/40—Cylinder lifting or adjusting devices fluid-pressure operated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Druckmaschine, umfassend einen Gegendruckzylinder, einen weiteren Zylinder und einen Arbeitszylinder zum Verstellen des weiteren Zylinders in eine Druck-an-Position am Gegendruckzylinder und in eine Druck-ab-Position, nach dem Oberbegriff des Anspruchs 1.The The present invention relates to a printing machine comprising Impression cylinder, another cylinder and a working cylinder for adjusting the further cylinder in a pressure-on position on the impression cylinder and in a pressure-off position, according to the preamble of claim 1.
In
Aufgrund der vergleichsweise großen Trägheitsmasse des Gummituchzylinders treten beim Erreichen besagter Endlage Kraftspitzen auf, welche das Druckbild beeinträchtigen und dadurch Makulatur verursachen.by virtue of the comparatively large inertial mass of Blanket cylinders occur when reaching said end position force peaks on, which affect the printed image and thereby waste cause.
Der Erfindung liegt die Aufgabe zugrunde, eine Druckmaschine mit einer Vorrichtung zum Druck-an/ab-Schalten zu schaffen, bei der Beeinträchtigungen der Druckqualität vermieden werden.Of the Invention is based on the object, a printing press with a To provide device for pressure on / off switching, in the adverse effects the print quality can be avoided.
Diese Aufgabe wird durch eine Druckmaschine mit den Merkmalen des Anspruchs 1 gelöst. Die erfindungsgemäße Druckmaschine, umfassend einen Gegendruckzylinder, einen weiteren Zylinder und einen Arbeitszylinder zum Verstellen des weiteren Zylinders in eine Druck-an-Position am Gegendruckzylinder und in eine Druck-ab-Position, ist dadurch gekennzeichnet, dass ein Proportionalventil zum Steuern des Arbeitszylinders angeordnet ist.These The object is achieved by a printing press having the features of the claim 1 solved. The printing machine according to the invention, comprising an impression cylinder, another cylinder and a working cylinder for adjusting the other cylinder in a Pressure on position on the impression cylinder and in a pressure-off position, is characterized in that a proportional valve for controlling of the working cylinder is arranged.
Die Wirkungsweise eines solchen Proportionalventils besteht darin, dass durch das Proportionalventil ein veränderliches Steuersignal – z. B. ein elektrisches Signal – in ein dazu proportionales Ausgangssignal – z. B. einen proportionalen Durchfluss, einen proportionalen Volumenstrom oder vorzugsweise einen proportionalen Druck – stetig umgewandelt wird.The Operation of such a proportional valve is that by the proportional valve a variable control signal -. B. an electrical signal - in a proportional thereto Output signal - z. B. a proportional flow, a proportional flow or, preferably, a proportional one Pressure - is constantly being converted.
Durch das Proportionalventil werden die störenden Kraftspitzen eliminiert. Die Reaktionszeit des Arbeitszylinders kann kurz gehalten werden und seine Bauweise kompakt.By the proportional valve will be the interfering force peaks eliminated. The reaction time of the working cylinder can be kept short and its construction are compact.
Bei einer Weiterbildung sind das Proportionalventil und der Arbeitszylinder in einem geschlossenen Regelkreis angeordnet. Hierbei bildet der Arbeitszylinder die Regelstrecke des geschlossenen Regelkreises und gehört das Proportionalventil zur Regeleinrichtung des geschlossenen Regelkreises.at a development are the proportional valve and the working cylinder arranged in a closed loop. Here forms the Working cylinder the controlled system of the closed loop and the proportional valve belongs to the control device of the closed loop.
Bei einer weiteren Weiterbildung weist der geschlossene Regelkreis eine Messeinrichtung zum Messen eines Kolbenstellwegs des Arbeitszylinders auf. Diese Messeinrichtung gehört ebenfalls zur Regeleinrichtung des geschlossenen Regelkreises.at In a further development, the closed control loop has a Measuring device for measuring a piston travel of the working cylinder. This measuring device is also part of the control device of the closed loop.
Bei einer weiteren Weiterbildung weist der geschlossene Regelkreis einen Sollwerteinsteller zum Einstellen verschiedener Sollwerte für die Druck-an-Position auf. Die Sollwerte können mit verschiedenen Bedruckstoffdicken korrespondieren, so dass der Sollwerteinsteller und das Proportionalventil eine Vorrichtung zum Justieren der Druckbeistellung bilden.at In a further development, the closed loop has a Setpoint adjuster for setting different setpoints for the pressure-on position. The setpoints can be with different Substrate thicknesses correspond, so that the setpoint adjuster and the proportional valve form a device for adjusting the Druckbeistellung.
Bei einer weiteren Weiterbildung weist das Proportionalventil mehrere einstellbare Schaltpositionen auf, deren Einstellung ständig wechselt, um den weiteren Zylinder regelgenau in der Druck-an-Position zu halten. In Abhängigkeit von den durch die Messeinrichtung gemessenen Istwerten wechselt das Proportionalventil während des Druckbetriebs aus seiner einen Schaltposition in seine andere Schaltposition und zurück, um den durch den Sollwerteinsteller vorgegebenen Sollwert zu erreichen.at In a further development, the proportional valve has several adjustable switching positions on, whose setting is constantly changes to the other cylinder exactly in the pressure-on position to keep. Depending on the by the measuring device measured actual values, the proportional valve changes during the printing operation from its one switching position to its other Switch position and back to the setpoint adjuster to reach specified setpoint.
Bei einer weiteren Weiterbildung ist der Arbeitszylinder über ein Getriebe mit dem weiteren Zylinder verbunden, welches Getriebe bezüglich der Druck-an-Position anschlaglos ausgebildet ist. Das Getriebe weist also keinen Anschlag auf, welcher eine mit der Druck-an-Position korrespondierende Endlage des Getriebes bestimmt.at Another development is the working cylinder over a gear connected to the other cylinder, which gear formed with respect to the pressure-on position without a stop is. The transmission thus has no stop, which one with the pressure-on position corresponding end position of the transmission determined.
Gemäß einer weiteren Weiterbildung ist der Arbeitszylinder ein Hydraulikzylinder.According to one Further development of the working cylinder is a hydraulic cylinder.
Bei einer weiteren Weiterbildung ist der weitere Zylinder ein Gummituchzylinder.at In another development, the other cylinder is a blanket cylinder.
Weitere konstruktiv und funktionell vorteilhafte Weiterbildungen ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels und der dazugehörigen Zeichnung.Further constructive and functional advantageous developments from the following description of a preferred embodiment and the accompanying drawing.
In dieser zeigt:In this shows:
In
Zum
Regelkreis
Die
Regelung der Druck-an-Position
Die
Druck-ab-Position
Zur
Steuereinheit des Proportionalventils
Dadurch,
dass der Arbeitszylinder
Das
Proportionalventil
- 11
- Druckmaschinepress
- 22
- OffsetdruckwerkOffset printing
- 33
- DruckformzylinderPlate cylinder
- 44
- GummituchzylinderBlanket cylinder
- 4.14.1
- Druck-ab-PositionPressure from position
- 4.24.2
- Druck-an-PositionPressure on position
- 55
- GegendruckzylinderImpression cylinder
- 66
- Exzenterlagereccentric
- 77
- Getriebetransmission
- 88th
- Arbeitszylinderworking cylinder
- 99
- Regelkreisloop
- 1010
- Proportionalventilproportional valve
- 1111
- erste Schaltpositionfirst switch position
- 1212
- zweite Schaltpositionsecond switch position
- 1313
- Messeinrichtungmeasuring device
- 1414
- Kolbenpiston
- 1515
- SollwerteinstellerSetpoint adjuster
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 3904336 A1 [0002] - DE 3904336 A1 [0002]
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007037327A DE102007037327A1 (en) | 2007-08-08 | 2007-08-08 | Printing machine, uses proportional valve for control of working cylinder for adjusting printing-on and printing-off positions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007037327A DE102007037327A1 (en) | 2007-08-08 | 2007-08-08 | Printing machine, uses proportional valve for control of working cylinder for adjusting printing-on and printing-off positions |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007037327A1 true DE102007037327A1 (en) | 2009-02-12 |
Family
ID=40226932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007037327A Withdrawn DE102007037327A1 (en) | 2007-08-08 | 2007-08-08 | Printing machine, uses proportional valve for control of working cylinder for adjusting printing-on and printing-off positions |
Country Status (1)
Country | Link |
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DE (1) | DE102007037327A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904285A1 (en) * | 1988-03-03 | 1989-09-14 | Polygraph Leipzig | Device for engaging, disengaging and advancing the printing unit cylinders |
DE3904336A1 (en) | 1988-03-03 | 1989-09-14 | Polygraph Leipzig | Device for engaging and disengaging the printing unit cylinders |
DE102005008291A1 (en) * | 2004-03-11 | 2005-09-22 | Heidelberger Druckmaschinen Ag | Switching printing machine cylinder involves working cylinder movement with first and second movement phases during printing-on switching with lower speed in second phase than in first phase |
-
2007
- 2007-08-08 DE DE102007037327A patent/DE102007037327A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904285A1 (en) * | 1988-03-03 | 1989-09-14 | Polygraph Leipzig | Device for engaging, disengaging and advancing the printing unit cylinders |
DE3904336A1 (en) | 1988-03-03 | 1989-09-14 | Polygraph Leipzig | Device for engaging and disengaging the printing unit cylinders |
DE102005008291A1 (en) * | 2004-03-11 | 2005-09-22 | Heidelberger Druckmaschinen Ag | Switching printing machine cylinder involves working cylinder movement with first and second movement phases during printing-on switching with lower speed in second phase than in first phase |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8139 | Disposal/non-payment of the annual fee |