EP0826501B1 - Device for adjusting an inking or damping roller in a printing machine - Google Patents

Device for adjusting an inking or damping roller in a printing machine Download PDF

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Publication number
EP0826501B1
EP0826501B1 EP96810580A EP96810580A EP0826501B1 EP 0826501 B1 EP0826501 B1 EP 0826501B1 EP 96810580 A EP96810580 A EP 96810580A EP 96810580 A EP96810580 A EP 96810580A EP 0826501 B1 EP0826501 B1 EP 0826501B1
Authority
EP
European Patent Office
Prior art keywords
roller
control surface
spindle
support part
inking
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
Application number
EP96810580A
Other languages
German (de)
French (fr)
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EP0826501B2 (en
EP0826501A1 (en
Inventor
Peter Gertsch
Robert Imhof
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gimaco Ingenieur AG fur Maschinenbau
Original Assignee
Gimaco Ingenieur AG fur Maschinenbau
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Publication date
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Application filed by Gimaco Ingenieur AG fur Maschinenbau filed Critical Gimaco Ingenieur AG fur Maschinenbau
Priority to EP96810580A priority Critical patent/EP0826501B2/en
Priority to DE59605059T priority patent/DE59605059D1/en
Priority to JP9235796A priority patent/JP2977197B2/en
Priority to US08/922,238 priority patent/US5819656A/en
Publication of EP0826501A1 publication Critical patent/EP0826501A1/en
Publication of EP0826501B1 publication Critical patent/EP0826501B1/en
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Publication of EP0826501B2 publication Critical patent/EP0826501B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/304—Arrangements for inking roller bearings, forks or supports
    • B41F31/307—Sliding bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/304—Arrangements for inking roller bearings, forks or supports
    • B41F31/308—Swinging bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/32—Lifting or adjusting devices

Definitions

  • the present invention relates to a device for Setting an inking or dampening roller of a printing press with respect two adjacent fixed rollers according to the preamble of claim 1.
  • the inking and dampening unit rollers are adjustable, that is, that the contact pressure on the adjacent rollers with which the adjustable Rolls come into contact, also adaptable during production is.
  • These adjustable inking and dampening rollers are soft elastic surface. This can result in fixed rollers the contact pressure to the neighboring rollers with which it is in contact, to change.
  • the main reason for this is the changing conditions of Machine standstill, in which the contact pressure in a known manner by making an impression, for example, of the application roller on the Plate cylinder is adjustable up to full production speed. Each the higher the speed, the greater the contact pressure.
  • Such devices for setting inking or Dampening rollers are known.
  • DE-A-38 25 517 shows such a device.
  • two adjustment devices housed which are substantially perpendicular to each other stand and with which the bearing arrangement with respect to the machine frame adjusted in any direction of a plane within the setting range can be.
  • An object of the present invention is now that To design the device such that an adjustment of the corresponding Rolling in the desired manner is possible to make the device easier in construction and correspondingly cheaper to manufacture, and that the device is installed in a printing press even in tight spaces can be.
  • the device according to the invention can be constructed in a simple and space-saving manner his.
  • Another object of the present invention is to design them in such a way that in addition to adjusting the corresponding roller it is also possible to park one of the adjacent rollers, whereby the parked roller remains in contact with the other neighboring roller Roller.
  • each bearing assembly is attached to a support member which is in a bracket is held.
  • the connection between bracket and supporting part is made by a Swivel lever which is pivotally held in the holder and on which the supporting part is pivoted. This allows the support part in easier Way to follow the control curve when the support member relative to the bracket and moved along one of the axes to adjust the roller.
  • the support part must be provided on the side with support means, and that only the first axis, which is rotatably and non-displaceably held in the supporting part, in the middle Area is equipped with a thread, which in a corresponding Counter thread is screwed into the swivel lever so that by twisting this axis by means of a motor and a gearbox together this axis can be moved with the support part.
  • control cam By using a swivel lever, the control cam have a virtually any shape so that when they are on a part is attached, which is releasably and interchangeably attached to the support member in their shape can be adapted to the desired requirements.
  • the guide part with respect to the holder is advantageous it is attached, adjustable so that when the roller is inserted into the bearing arrangements the ratio of the contact pressure to the two neighboring ones Rollers are changeable and adaptable to the existing needs.
  • the roller is adjusted automatically via a control device, depending on selectable parameters. Thereby you always get an optimal one while the press is operating Position of the roller.
  • a control value transmitter for determining the current position of the roller provided to the control device can be reported.
  • the control device can be adjusted by driving the motor also as a function of one measured by means of a force measuring device Applying pressure of the roller to the adjacent rollers.
  • Fig. 1 shows a schematic representation of a plate cylinder 1 not shown printing machine and a friction roller 2. Between the Plate cylinder 1 and the friction roller 2, an application roller 3 is arranged, which is held on both sides in a device 4 according to the invention.
  • This device 4 consists essentially of a pivot lever 5, the is pivotally mounted about the axis of the friction roller 2.
  • a guide lever 6 is arranged pivotable about the axis 7.
  • the guide lever 6 and thus the guide part 8 are by means of a spring 9 pressed against a control surface 10, which with respect to the machine frame the printing machine, not shown, stationary and in known Way is held.
  • the application roller 3 is rotatable about the axis 11 in the guide lever 6 stored. Via a linear drive 12, which with the swivel lever 5 in The device 4 can be operatively connected about the axis of the friction roller 2 swivel.
  • a linear drive 12 which with the swivel lever 5 in The device 4 can be operatively connected about the axis of the friction roller 2 swivel.
  • control surface 10 is aligned so that the parallel straight line 13 essentially the bisector of the Corresponds to angle ⁇ , which is formed by two connecting lines, each the axis 11 of the application roller 3 with the axis of the plate cylinder 1 or connect the axis of the friction roller 2.
  • control surface 10 is opposite the bisector of the angle ⁇ is inclined by a certain amount, whereby when moving the application roller 3 to the contact pressure Plate cylinder 1 and the application roller 2 no longer correspond to each other be changed, but in a certain ratio by the inclination the control surface 10 is fixed.
  • the setting of the application roller 3 with respect to the plate cylinder 1 and the friction roller 2 takes place along an adjustment range 14 of the control surface 10.
  • the control surface 10 has a adjoining the adjustment area 14 further area 15, which is inclined towards the friction roller 2. If now the adjustment of the application roller 3 from the plate cylinder 1 and the friction roller 2 takes place, the guide part 8 comes from the adjustment range 14 of the control surface 10 in the further area 15, the guide lever 6 pulled against the friction roller 2 by the spring 9, the application roller 3 is thus turned off by the plate cylinder 1 and is only in contact with the Rubbing roller 2.
  • the contact pressure of the applicator roller 3 becomes the rubbing roller 2 determined by the force of the spring 9.
  • In a known manner can be parked Condition of the application roller 3 from the plate cylinder 1, for example the inking unit be pre-inked on the press.
  • the principle works in a similar manner, as is shown schematically in FIG. 2 is shown.
  • the application roller 3, which with respect to the plate cylinder 1 and the friction roller 2 is to be adjusted, is in a sliding part 16 stored, which is displaceable in a receiving part 17 via a linear drive 18 is held.
  • the receiving part 17 in turn is displaceable in a guide 19 guided.
  • the sliding part 16 is equipped with a guide part 8, which cooperates with a control surface 10. Over pressure of the spring 20 the guide part 8 is pressed against the control surface 10.
  • the control surface According to the principle according to FIG. 1, 10 is essentially parallel to the bisector 13 aligned.
  • the friction roller 2 follows the bisector 13, according to the process as described for FIG. 1.
  • the control surface 10 has an adjustment area 14 and another Area 15 on so that the same setting options and the parking the application roller 3 can be carried out as this with the system 1 is possible.
  • control surface 10 it is also conceivable for the control surface 10 to run parallel to it To provide control surface, whereby the guide part 8 through these two Control surfaces would be forced. This could affect the elastic Element to be dispensed with, the parking of the application roller 3 and in particular the contact pressure on the friction roller 2 could then be via the linear drive 12 or 18 set by driving into a corresponding position become.
  • the journal 21 is that not shown Applicator roller in a bearing arrangement consisting of two halves 22 stored, whereby the replacement of an application roller in a known Wise and easy to do.
  • This bearing arrangement 22 is on one Support part 23 fastened by means of screws 24, which has the shape of a table.
  • This support part 23 is on its facing away from the bearing assembly 22 Side equipped with two tabs 25 in which a first axis 26 rotatable but is fixed against displacement. Is pivotable about this first axis 26 one end of a pivot lever 27 articulated.
  • the other end of the pivot lever 27 is about a second axis 28, which is aligned parallel to the first axis 27, pivotable and fixed stored in a holder 29.
  • This bracket 29 is not shown Machine frame attached to the printing press.
  • the first axis 26 has a thread 30 in its central region on, which in a corresponding counter thread 31, arranged in Swivel lever 27 is screwed in.
  • This Gear 35 is flanged onto an electric motor 36.
  • the electric motor 36 and consequently the gear 35 with gear 33 are on the pivot lever 27 attached.
  • support part 23 To prevent the support part 23 from tipping over the first axis 26 can, this is equipped with support means 37, which in the form of Rollers 38 are formed on the two edge regions of the support part are attached and essentially on the corresponding runways of the Support part 23 and the bracket 29 can roll.
  • support means 37 which in the form of Rollers 38 are formed on the two edge regions of the support part are attached and essentially on the corresponding runways of the Support part 23 and the bracket 29 can roll.
  • a component 39 is fastened on the supporting part 23, on which the control surface 40 is attached, corresponding to the control surface 10 according to FIG. 1 and 2.
  • This control surface 40 interacts with a guide part 41 which is fastened to the holder 29 and the guide part 8 according to FIGS. 1 and 2 corresponds.
  • This control surface 40 also has an adjustment range and another area for placing the application roller on, like this to the 1 and 2 has been described.
  • bracket 29 and pivot lever 27 elastic element 42 which is designed as a compression spring, causes the Support part 23 and thus the control surface 40 pressed against the guide part 41 become.
  • the control surface 40 follows the guide part 41.
  • the setting range the control surface 40 is aligned essentially parallel to the bisector 13, as has been described for FIG. 2.
  • moving of the support member 23, triggered by turning the first axis 26, makes the pivot lever 27, caused by the control surface 40, in particular when it comes to parking the friction roller, a swiveling movement.
  • a plate spring 43 is used around a bracing of the support member 23 on the bracket 29 on which the support member 23 is supported by the support means 37, between the Support means 37, which are attached to an edge region of the supporting part 23, and the support member 23 a plate spring 43 is used. This can make minor Deflections of the support member 23 to the bracket 29 are recorded.
  • a control value sensor 44 is attached, which is electrical with a control device is connected, as will be described later.
  • Fig. 4 shows the bearing assembly 22, which is fixed on the support member 23 is.
  • the first axis 26 is rotatable but non-displaceable in FIG the two tabs 25 of the support member 23 mounted.
  • the gear pinion 32 consequently shifts also with respect to the gear 33, which is why it is a correspondingly large Width.
  • the second axis 28, which is held in the holder 29, and around which pivot lever 27 is pivotable can be measured with a force measuring device 45, which consist for example of a load cell 46 can, which is inserted in the pivot lever 27 and the storage of second axis 28 takes.
  • This load cell 26 is with a control device electrically connected, as will be described later.
  • the bracket 29 is on the machine frame 53 of the printing press attached.
  • FIG. 5 shows a view of the rollers forming the support means 37 38, which are provided on an edge region of the support part 23.
  • the rollers 38 are supported on the one hand essentially directly on the supporting part 23, act on the opposite side but on the plate spring 43, which on the bracket 29 is placed and a slight movement of the support member 23 to the bracket 29 permits.
  • Fig. 6 is again the bearing assembly attached to the support member 23 22 can be seen, as well as the support means 37, through which the support member 23 on the Bracket 29 is supported.
  • the pivoting is in this figure of the pivot lever 27 about the second axis 28.
  • the Compression spring 42 is the pivot lever 27 and with this the support member 23 the control surface 40 (FIG. 3) pressed against the guide part 41 (FIG. 3).
  • Fig. 7 shows the guide part 41, which is attached to the bracket 29 and the control surface 40, which is provided in component 39, which component 39 is attached to the support member 23.
  • the guide part 41 is adjustable Eccentric 54 attached, as can also be seen in FIG. 5.
  • This eccentric 54 can, for example, when assembling this device according to the invention can be set, for example, the contact pressure of the application roller 3 for plate cylinder 1 can be chosen larger than the contact pressure the application roller 3 to the friction roller 2.
  • the component 39 in which the control surface 40 is attached to be replaced by appropriate Choice of the shape of the control surface, the ratio of the contact pressure, for example the application roller / friction roller for contact pressure application roller / plate cylinder can be influenced.
  • a control device 47 is provided with respect to the friction roller and plate cylinder, as shown schematically in Fig. 8.
  • This can, for example be a programmable logic controller 48 with which the target position the application roller 3 is specified.
  • the actual position of the application roller 3 is by the actuating value transmitter 44 to the programmable logic controller 48 reported back.
  • the application roller becomes corresponding set.
  • the programmable logic controller 48 can also provide information are transmitted by the machine control 49, for example via Speed, running time, on and off etc.
  • the stored setpoints and the actual values about the position of the adjustable ones Rolls as well as other usable influencing factors that one Can affect the position of the adjustable roller can a display 51 of the programmable controller 48 is shown and can be checked, but they can also be controlled in the control device 47 attached keyboard 52 can be changed.
  • This device according to the invention is used in an optimal manner an adjustment of the corresponding rollers with respect to two neighboring ones Rolling allows, the structure of this device can be kept simple can, and the setting can be carried out automatically controlled, depending the machine parameters to be taken into account.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Vorrichtung zum Einstellen einer Farbwerks- bzw. Feuchtwerkswalze einer Druckmaschine bezüglich zweier benachbarter feststehender Walzen gemäss dem Oberbegriff des Patentanspruchs 1.The present invention relates to a device for Setting an inking or dampening roller of a printing press with respect two adjacent fixed rollers according to the preamble of claim 1.

Bei Druckmaschinen, insbesondere bei schnell laufenden Rollenrotationsdruckmaschinen hat sich herausgestellt, dass es von Vorteil ist, wenn die Farbwerks- bzw. Feuchtwerkswalzen einstellbar gelagert sind, das heisst, dass der Anpressdruck an die benachbarten Walzen, mit welchen die einstellbaren Walzen in Berührung kommen, auch während der Produktion anpassbar ist. Diese einstellbaren Farbwerks- bzw. Feuchtwerkswalzen weisen eine weiche elastische Oberfläche auf. Dadurch kann sich bei fix eingestellten Walzen der Anpressdruck zu den benachbarten Walzen, mit denen sie in Kontakt ist, ändern. Grund hierfür sind vor allem die sich verändernden Verhältnisse vom Stillstand der Maschine, bei welchem der Anpressdruck in bekannter Weise durch Anbringen eines Abdrucks beispielsweise der Auftragswalze auf dem Plattenzylinder einjustierbar ist, bis zur vollen Produktionsgeschwindigkeit. Je höher die Geschwindigkeit ist, desto grösser wird die Anpressung.In printing machines, especially in high-speed web-fed rotary printing machines has been found to be beneficial if the inking and dampening unit rollers are adjustable, that is, that the contact pressure on the adjacent rollers with which the adjustable Rolls come into contact, also adaptable during production is. These adjustable inking and dampening rollers are soft elastic surface. This can result in fixed rollers the contact pressure to the neighboring rollers with which it is in contact, to change. The main reason for this is the changing conditions of Machine standstill, in which the contact pressure in a known manner by making an impression, for example, of the application roller on the Plate cylinder is adjustable up to full production speed. Each the higher the speed, the greater the contact pressure.

Einen Einfluss auf den Anpressdruck der genannten Walzen kann auch die Temperatur haben, die bei Produktionsaufnahme von der Raumtemperatur auf eine gewisse Betriebstemperatur ansteigen wird, was auch eine Vergrösserung des Anpressdrucks zur Folge hat.It can have an influence on the contact pressure of the rollers mentioned also have the temperature at the start of production from room temperature will rise to a certain operating temperature, which is also a Increases the contact pressure.

Alle diese Veränderungen des Anpressdruckes zwischen den entsprechenden Walzen können sich in negativer Weise auf die Druckqualität auswirken.All these changes in the contact pressure between the corresponding Rollers can negatively affect print quality impact.

Wie Untersuchungen betreffend des Rollverhaltens von Mehrwalzensystemen unter Einbezug von viskoelastischen Walzen ergeben haben, ist die Anpassung des Anpressdruckes an die Maschinengeschwindigkeit deshalb besonders erwünscht, weil sonst das erforderliche Drehmoment zum Antreiben der Walzen massiv ansteigt. Durch optimales Einstellen der Walzen kann somit zusätzlich noch Energie gespart werden.Such as studies regarding the rolling behavior of multi-roll systems with the inclusion of viscoelastic rollers therefore the adjustment of the contact pressure to the machine speed particularly desirable because otherwise the torque required to drive it the rollers rise massively. By optimally adjusting the rollers, you can energy can also be saved.

Derartige Vorrichtungen zum Einstellen von Farbwerks- bzw. Feuchtwerkswalzen sind bekannt. So zeigt beispielsweise die DE-A-38 25 517 eine derartige Vorrichtung. Hierbei sind in jeder Lageranordnung einer einstellbaren Walze, in welchen jeweils ein Achszapfen dieser Walze gelagert ist, zwei Verstelleinrichtungen untergebracht, die im wesentlichen rechtwinklig zueinander stehen und mit welchen die Lageranordnung bezüglich des Maschinengestells innerhalb des Einstellbereiches in jeder Richtung einer Ebene verstellt werden können.Such devices for setting inking or Dampening rollers are known. For example, DE-A-38 25 517 shows such a device. Here are adjustable in each bearing arrangement Roller, in each of which a journal of this roller is mounted, two adjustment devices housed, which are substantially perpendicular to each other stand and with which the bearing arrangement with respect to the machine frame adjusted in any direction of a plane within the setting range can be.

Mit dieser Vorrichtung hat man alle Möglichkeiten, die entsprechende einstellbare Walze in die gewünschte Position zu bringen. Es hat sich aber gezeigt, dass die Herstellung dieser Vorrichtung sehr aufwendig und demzufolge auch teuer ist, und dass der erforderliche Platzbedarf erheblich ist, so dass eine Anwendung nicht in allen Maschinen möglich ist.With this device you have all options, the corresponding adjustable roller in the desired position. It has but showed that the manufacture of this device is very complex and consequently also expensive and that the space required is considerable, so that an application is not possible in all machines.

Eine Aufgabe der vorliegenden Erfindung besteht nun darin, die Vorrichtung derart zu gestalten, dass eine Einstellung der entsprechenden Walzen in der gewünschten Weise möglich ist, dass die Vorrichtung einfacher im Aufbau und entsprechend kostengünstiger in der Herstellung ist, und dass die Vorrichtung auch bei engen Platzverhältnissen in eine Druckmaschine eingebaut werden kann.An object of the present invention is now that To design the device such that an adjustment of the corresponding Rolling in the desired manner is possible to make the device easier in construction and correspondingly cheaper to manufacture, and that the device is installed in a printing press even in tight spaces can be.

Erfindungsgemäss erfolgt die Lösung dieser Aufgabe durch die in der Kennzeichnung des Anspruchs 1 angegebenen Merkmale.According to the invention, this object is achieved by the in the marking of claim 1 specified features.

Durch die Verwendung nur eines Linearantriebs und einer Steuerfläche kann die erfindungsgemässe Vorrichtung einfach und platzsparend aufgebaut sein. In vorteilhafter Weise ist pro Lageranordnung nur eine Steuerfläche vorgesehen, wobei Führungsteil und Steuerfläche mittels eines elastischen Elements gegeneinander gedrückt sind, was eine spielfreie Führung der Lageranordnung gewährleistet. By using only one linear actuator and one control surface the device according to the invention can be constructed in a simple and space-saving manner his. There is advantageously only one control surface per bearing arrangement provided, the guide part and control surface by means of an elastic Elements are pressed against each other, resulting in a play-free guidance of the bearing arrangement guaranteed.

Eine weitere Aufgabe der vorliegenden Erfindung besteht darin, diese so zu gestalten, dass neben dem Einstellen der entsprechenden Walze auch ein Abstellen von einer der benachbarten Walzen ermöglicht wird, wobei die abgestellte Walze aber in Kontakt bleibt mit der anderen benachbarten Walze.Another object of the present invention is to design them in such a way that in addition to adjusting the corresponding roller it is also possible to park one of the adjacent rollers, whereby the parked roller remains in contact with the other neighboring roller Roller.

Erfindungsgemäss erfolgt die Lösung dieser Aufgabe durch die im abhängigen Anspruch 3 angefügten Merkmale.According to the invention this object is achieved by the dependent claim 3 attached features.

Mit dieser Ausgestaltung kann in einfacher Weise ein Abstellen einer Auftragswalze vom Plattenzylinder erreicht werden, ohne dass zusätzliche Antriebe erforderlich sind, wodurch die erfindungsgemässe Vorrichtung trotzdem einen einfachen Aufbau aufweist. Insbesondere kann eine abgestellte Walze problemlos in reproduzierbarer Weise wieder in die an die beiden Walzen angestellten Lage gebracht werden.With this configuration, one can be turned off in a simple manner Application roller can be reached from the plate cylinder without additional Drives are required, whereby the device according to the invention nevertheless has a simple structure. In particular, a parked Roll in a reproducible manner back into the two rollers position to be brought.

Eine vorteilhafte Ausgestaltung der Erfindung besteht darin, dass jede Lageranordnung auf einem Tragteil befestigt ist, der in einer Halterung gehalten ist. Die Verbindung zwischen Halterung und Tragteil erfolgt durch einen Schwenkhebel, der schwenkbar in der Halterung gehalten ist und an welchem der Tragteil schwenkbar angelenkt ist. Dadurch kann der Tragteil in einfacher Weise der Steuerkurve folgen, wenn der Tragteil bezüglich der Halterung und zum Einstellen der Walze entlang einer der Achsen verschoben wird. In vorteilhafter Weise wird nur ein Schwenkhebel verwendet, wobei der Tragteil seitlich mit Abstützmitteln versehen sein muss, und dass dadurch lediglich die erste Achse, die drehbar und verschiebefest im Tragteil gehalten ist, im mittleren Bereich mit einem Gewinde ausgestattet ist, welches in ein entsprechendes Gegengewinde im Schwenkhebel eingeschraubt ist, so dass durch Verdrehen dieser Achse mittels eines Motors und eines Getriebes diese Achse zusammen mit dem Tragteil verschoben werden kann.An advantageous embodiment of the invention is that each bearing assembly is attached to a support member which is in a bracket is held. The connection between bracket and supporting part is made by a Swivel lever which is pivotally held in the holder and on which the supporting part is pivoted. This allows the support part in easier Way to follow the control curve when the support member relative to the bracket and moved along one of the axes to adjust the roller. Advantageously, only one pivot lever is used, the support part must be provided on the side with support means, and that only the first axis, which is rotatably and non-displaceably held in the supporting part, in the middle Area is equipped with a thread, which in a corresponding Counter thread is screwed into the swivel lever so that by twisting this axis by means of a motor and a gearbox together this axis can be moved with the support part.

Durch die Verwendung eines Schwenkhebels kann die Steuerkurve eine praktisch beliebige Form haben, so dass sie, wenn sie auf einem Bauteil angebracht ist, der lösbar und auswechselbar auf dem Tragteil befestigt ist, in ihrer Formgebung den gewünschten Erfordernissen angepasst werden kann. In vorteilhafter Weise ist der Führungsteil bezüglich der Halterung, auf welchem er befestigt ist, justierbar, so dass beim Einsetzen der Walze in die Lageranordnungen das Verhältnis des Anpressdruckes an die beiden benachbarten Walzen veränderbar und an die vorliegenden Bedürfnisse anpassbar ist.By using a swivel lever, the control cam have a virtually any shape so that when they are on a part is attached, which is releasably and interchangeably attached to the support member in their shape can be adapted to the desired requirements. In the guide part with respect to the holder is advantageous it is attached, adjustable so that when the roller is inserted into the bearing arrangements the ratio of the contact pressure to the two neighboring ones Rollers are changeable and adaptable to the existing needs.

In vorteilhafter Weise erfolgt die Einstellung der Walze automatisch über eine Steuereinrichtung, abhängig von wählbaren Parametern. Dadurch erhält man während des Betriebs der Druckmaschine immer eine optimale Position der Walze.Advantageously, the roller is adjusted automatically via a control device, depending on selectable parameters. Thereby you always get an optimal one while the press is operating Position of the roller.

In vorteilhafter Weise ist ein Stellwertgeber zur Feststellung der momentanen Position der Walze vorgesehen, die an die Steuereinrichtung rückgemeldet werden kann.Advantageously, a control value transmitter for determining the current position of the roller provided to the control device can be reported.

Die Steuereinrichtung kann durch Ansteuern des Motors eine Verstellung auch in Abhängigkeit eines mittels einer Kraftmesseinrichtung gemessenen Anstelldrucks der Walze an die benachbarten Walzen bewirken.The control device can be adjusted by driving the motor also as a function of one measured by means of a force measuring device Applying pressure of the roller to the adjacent rollers.

Ausführungsformen der vorliegenden Erfindung werden nachfolgend anhand der beiliegenden Zeichnung beispielhaft näher erläutert.Embodiments of the present invention are as follows explained in more detail by way of example with reference to the accompanying drawing.

Es zeigt:

  • Fig. 1 in schematischer Darstellung ein erstes Ausführungsprinzip der erfindungsgemässen Vorrichtung;
  • Fig. 2 in schematischer Darstellung ein zweites Ausführungsprinzip der erfindungsgemässen Vorrichtung;
  • Fig. 3 in räumlicher und zum Teil geschnittener Darstellung eine Ausführungsform der erfindungsgemässen Vorrichtung nach dem Prinzip gemäss Fig. 2;
  • Fig. 4 eine Schnittdarstellung durch die erfindungsgemässe Vorrichtung gemäss Fig. 3, wobei die Schnittebene im wesentlichen durch die erste Achse und die zweite Achse gelegt ist;
  • Fig. 5 eine Schnittdarstellung der erfindungsgemässen Vorrichtung gemäss Fig. 3, wobei die Schnittebene in den Bereich der federnden Abstützung des Tragteils und der Steuerfläche gelegt ist;
  • Fig. 6 eine Schnittdarstellung der erfindungsgemässen Vorrichtung entlang Linie VI-VI gemäss Fig. 4;
  • Fig. 7 eine Detailansicht der Steuerkurve und des mit dieser zusammenwirkenden Führungsteils, zum Teil geschnitten; und
  • Fig. 8 ein Blockschema einer Ausführungsvariante einer elektrischen Steuerung für die erfindungsgemässe Vorrichtung.
    • It shows:
  • 1 shows a schematic representation of a first embodiment principle of the device according to the invention;
  • 2 shows a schematic representation of a second embodiment principle of the device according to the invention;
  • 3 shows a spatial and partially sectioned illustration of an embodiment of the device according to the invention based on the principle according to FIG. 2;
  • FIG. 4 shows a sectional view through the device according to the invention according to FIG. 3, the sectional plane being essentially through the first axis and the second axis;
  • 5 shows a sectional illustration of the device according to the invention according to FIG. 3, the sectional plane being placed in the region of the resilient support of the supporting part and the control surface;
  • 6 shows a sectional illustration of the device according to the invention along line VI-VI according to FIG. 4;
  • 7 shows a detailed view of the control cam and the guide part interacting with it, partly in section; and
  • 8 shows a block diagram of an embodiment variant of an electrical control for the device according to the invention.

    • Fig. 1 zeigt in schematischer Darstellung einen Plattenzylinder 1 einer nicht dargestellten Druckmaschine und eine Reiberwalze 2. Zwischen dem Plattenzylinder 1 und der Reiberwalze 2 ist eine Auftragswalze 3 angeordnet, die auf beiden Seiten in einer erfindungsgemässen Vorrichtung 4 gehalten ist. Diese Vorrichtung 4 besteht im wesentlichen aus einem Schwenkhebel 5, der um die Achse der Reiberwalze 2 schwenkbar gelagert ist. An diesen Schwenkhebel 5 ist ein Führungshebel 6 um die Achse 7 schwenkbar angeordnet. Am der Achse 7 abgewandten Ende des Führungshebels 6 ist ein Führungsteil 8 befestigt. Der Führungshebel 6 und somit der Führungsteil 8 werden mittels einer Feder 9 gegen eine Steuerfläche 10 gedrückt, welche bezüglich des Maschinenrahmens der nicht dargestellten Druckmaschine ortsfest und in bekannter Weise gehalten ist.Fig. 1 shows a schematic representation of a plate cylinder 1 not shown printing machine and a friction roller 2. Between the Plate cylinder 1 and the friction roller 2, an application roller 3 is arranged, which is held on both sides in a device 4 according to the invention. This device 4 consists essentially of a pivot lever 5, the is pivotally mounted about the axis of the friction roller 2. At this swivel lever 5, a guide lever 6 is arranged pivotable about the axis 7. At the The end of the guide lever 6 facing away from the axis 7 is a guide part 8 attached. The guide lever 6 and thus the guide part 8 are by means of a spring 9 pressed against a control surface 10, which with respect to the machine frame the printing machine, not shown, stationary and in known Way is held.

    Im Führungshebel 6 ist die Auftragswalze 3 um die Achse 11 drehbar gelagert. Über einen Linearantrieb 12, der mit dem Schwenkhebel 5 in Wirkverbindung ist, lässt sich die Vorrichtung 4 um die Achse der Reiberwalze 2 schwenken. Beim Verschwenken des Schwenkhebels 5 durch diesen Linearantrieb 12 läuft der Führungsteil 8 entlang der Steuerfläche 10, wodurch die in diesem Führungshebel 6 gelagerte Auftragswalze 3 im wesentlichen auf einer Geraden 13 bewegt wird, die parallel zu der Steuerfläche 10 verläuft. Durch Verschieben der Auftragswalze 3 kann diese somit mehr oder weniger gegen den Plattenzylinder 1 und die Reiberwalze 2 angepresst werden.The application roller 3 is rotatable about the axis 11 in the guide lever 6 stored. Via a linear drive 12, which with the swivel lever 5 in The device 4 can be operatively connected about the axis of the friction roller 2 swivel. When pivoting the pivot lever 5 by this linear drive 12 runs the guide part 8 along the control surface 10, whereby the in this guide lever 6 mounted application roller 3 essentially on a Straight line 13 is moved, which runs parallel to the control surface 10. By Moving the application roller 3 can thus more or less against the plate cylinder 1 and the friction roller 2 are pressed.

    Idealerweise ist die Steuerfläche 10 so ausgerichtet, dass die dazu parallel verlaufende Gerade 13 im wesentlichen der Winkelhalbierenden des Winkels α entspricht, der durch zwei Verbindungslinien gebildet ist, die jeweils die Achse 11 der Auftragswalze 3 mit der Achse des Plattenzylinders 1 bzw. der Achse der Reiberwalze 2 verbinden.Ideally, the control surface 10 is aligned so that the parallel straight line 13 essentially the bisector of the Corresponds to angle α, which is formed by two connecting lines, each the axis 11 of the application roller 3 with the axis of the plate cylinder 1 or connect the axis of the friction roller 2.

    Es ist ohne weiteres denkbar, dass die Steuerfläche 10 gegenüber der Winkelhalbierenden des Winkels α um ein bestimmtes Mass geneigt ist, wodurch beim Verschieben der Auftragswalze 3 der an Anpressdruck zum Plattenzylinder 1 und zur Auftragswalze 2 nicht mehr einander entsprechend verändert werden, sondern in einem bestimmten Verhältnis, das durch die Neigung der Steuerfläche 10 festgelegt ist.It is easily conceivable that the control surface 10 is opposite the bisector of the angle α is inclined by a certain amount, whereby when moving the application roller 3 to the contact pressure Plate cylinder 1 and the application roller 2 no longer correspond to each other be changed, but in a certain ratio by the inclination the control surface 10 is fixed.

    Das Einstellen der Auftragswalze 3 bezüglich des Plattenzylinders 1 und der Reiberwalze 2 erfolgt entlang eines Einstellbereiches 14 der Steuerfläche 10. Die Steuerfläche 10 weist einen an den Einstellbereich 14 anschliessenden weiteren Bereich 15 auf, der gegen die Reiberwalze 2 hin geneigt ist. Wenn nun die Verstellung der Auftragswalze 3 vom Plattenzylinder 1 und von der Reiberwalze 2 weg erfolgt, gelangt der Führungsteil 8 vom Einstellbereich 14 der Steuerfläche 10 in den weiteren Bereich 15, der Führungshebel 6 wird durch die Feder 9 gegen die Reiberwalze 2 hin gezogen, die Auftragswalze 3 wird somit vom Plattenzylinder 1 abgestellt und ist nur noch in Kontakt mit der Reiberwalze 2. Der Anpressdruck der Auftragswalze 3 zur Reiberwalze 2 wird durch die Kraft der Feder 9 bestimmt. In bekannter Weise kann im abgestellten Zustand der Auftragswalze 3 vom Plattenzylinder 1 beispielsweise das Farbwerk der Druckmaschine voreingefärbt werden.The setting of the application roller 3 with respect to the plate cylinder 1 and the friction roller 2 takes place along an adjustment range 14 of the control surface 10. The control surface 10 has a adjoining the adjustment area 14 further area 15, which is inclined towards the friction roller 2. If now the adjustment of the application roller 3 from the plate cylinder 1 and the friction roller 2 takes place, the guide part 8 comes from the adjustment range 14 of the control surface 10 in the further area 15, the guide lever 6 pulled against the friction roller 2 by the spring 9, the application roller 3 is thus turned off by the plate cylinder 1 and is only in contact with the Rubbing roller 2. The contact pressure of the applicator roller 3 becomes the rubbing roller 2 determined by the force of the spring 9. In a known manner can be parked Condition of the application roller 3 from the plate cylinder 1, for example the inking unit be pre-inked on the press.

    In ähnlicher Weise funktioniert das Prinzip, wie es in Fig. 2 schematisch dargestellt ist. Die Auftragswalze 3, die bezüglich des Plattenzylinders 1 und der Reiberwalze 2 eingestellt werden soll, ist in einem Verschiebeteil 16 gelagert, der in einem Aufnahmeteil 17 über einen Linearantrieb 18 verschiebbar gehalten ist. Der Aufnahmeteil 17 seinerseits ist in einer Führung 19 verschiebbar geführt. Der Verschiebeteil 16 ist mit einem Führungsteil 8 ausgestattet, der mit einer Steuerfläche 10 zusammenwirkt. Über Druck der Feder 20 wird der Führungsteil 8 gegen die Steuerfläche 10 gedrückt. Die Steuerfläche 10 ist, entsprechend des Prinzips gemäss Fig. 1, im wesentlichen parallel zu der Winkelhalbierenden 13 ausgerichtet. Beim Verschieben des Verschiebeteils 16 durch den Linearantrieb 18 folgt die Reiberwalze 2 der Winkelhalbierenden 13, entsprechend dem Ablauf, wie er zu Fig. 1 beschrieben wurde. Auch hier weist die Steuerfläche 10 einen Einstellbereich 14 und einen weiteren Bereich 15 auf, so dass die selben Einstellmöglichkeiten und das Abstellen der Auftragswalze 3 durchgeführt werden können, wie dies mit dem System gemäss Fig. 1 möglich ist.The principle works in a similar manner, as is shown schematically in FIG. 2 is shown. The application roller 3, which with respect to the plate cylinder 1 and the friction roller 2 is to be adjusted, is in a sliding part 16 stored, which is displaceable in a receiving part 17 via a linear drive 18 is held. The receiving part 17 in turn is displaceable in a guide 19 guided. The sliding part 16 is equipped with a guide part 8, which cooperates with a control surface 10. Over pressure of the spring 20 the guide part 8 is pressed against the control surface 10. The control surface According to the principle according to FIG. 1, 10 is essentially parallel to the bisector 13 aligned. When moving the sliding part 16 by the linear drive 18, the friction roller 2 follows the bisector 13, according to the process as described for FIG. 1. Here, too, the control surface 10 has an adjustment area 14 and another Area 15 on so that the same setting options and the parking the application roller 3 can be carried out as this with the system 1 is possible.

    Es ist auch denkbar, zur Steuerfläche 10 eine parallel dazu verlaufende Steuerfläche vorzusehen, wodurch der Führungsteil 8 durch diese beiden Steuerflächen zwangsweise geführt wäre. Hierdurch könnte auf das elastische Element verzichtet werden, das Abstellen der Auftragswalze 3 und insbesondere der Anpressdruck an die Reiberwalze 2 könnte dann über den Linearantrieb 12 bzw. 18 durch Fahren in eine entsprechende Stellung eingestellt werden.It is also conceivable for the control surface 10 to run parallel to it To provide control surface, whereby the guide part 8 through these two Control surfaces would be forced. This could affect the elastic Element to be dispensed with, the parking of the application roller 3 and in particular the contact pressure on the friction roller 2 could then be via the linear drive 12 or 18 set by driving into a corresponding position become.

    Wie aus Fig. 3 ersichtlich ist, ist der Achszapfen 21 der nicht dargestellten Auftragswalze in einer aus zwei Hälften bestehenden Lageranordnung 22 gelagert, wodurch das Auswechseln einer Auftragswalze in bekannter Weise und einfach erfolgen kann. Diese Lageranordnung 22 ist an einem Tragteil 23 mittels Schrauben 24 befestigt, der die Form eines Tisches aufweist. Dieser Tragteil 23 ist an seiner der Lageranordnung 22 abgewandten Seite mit zwei Laschen 25 ausgestattet, in welchen eine erste Achse 26 drehbar aber verschiebefest gelagert ist. Um diese erste Achse 26 schwenkbar ist ein Ende eines Schwenkhebels 27 angelenkt.As can be seen from Fig. 3, the journal 21 is that not shown Applicator roller in a bearing arrangement consisting of two halves 22 stored, whereby the replacement of an application roller in a known Wise and easy to do. This bearing arrangement 22 is on one Support part 23 fastened by means of screws 24, which has the shape of a table. This support part 23 is on its facing away from the bearing assembly 22 Side equipped with two tabs 25 in which a first axis 26 rotatable but is fixed against displacement. Is pivotable about this first axis 26 one end of a pivot lever 27 articulated.

    Das andere Ende des Schwenkhebels 27 ist um eine zweite Achse 28, die parallel zur ersten Achse 27 ausgerichtet ist, schwenkbar und verschiebefest in einer Halterung 29 gelagert. Diese Halterung 29 ist am nicht dargestellten Maschinenrahmen der Druckmaschine befestigt.The other end of the pivot lever 27 is about a second axis 28, which is aligned parallel to the first axis 27, pivotable and fixed stored in a holder 29. This bracket 29 is not shown Machine frame attached to the printing press.

    Die erste Achse 26 weist in ihrem mittleren Bereich ein Gewinde 30 auf, welches in ein entsprechendes Gegengewinde 31, angeordnet im Schwenkhebel 27, eingeschraubt ist. An der ersten Achse 26 ist zudem ein Zahnradritzel 32 drehstarr befestigt. Mit diesem Zahnradritzel 32 kämmt ein Zahnrad 33, das auf der Abtriebswelle 34 eines Getriebes 35 befestigt ist. Dieses Getriebe 35 ist auf einen Elektromotor 36 aufgeflanscht. Der Elektromotor 36 und demzufolge das Getriebe 35 mit Zahnrad 33 sind auf dem Schwenkhebel 27 befestigt. Durch Verdrehung der ersten Achse 26 bewirkt das in das Gegengewinde 31 eingeschraubte Gewinde 30 ein Verschieben der ersten Achse 26 in deren Längsrichtung, was zur Folge hat, dass der Tragteil 23 entsprechend mitbewegt wird.The first axis 26 has a thread 30 in its central region on, which in a corresponding counter thread 31, arranged in Swivel lever 27 is screwed in. On the first axis 26 there is also a Gear pinion 32 fixed in a torsionally rigid manner. With this gear pinion 32 meshes Gear 33, which is fixed on the output shaft 34 of a gear 35. This Gear 35 is flanged onto an electric motor 36. The electric motor 36 and consequently the gear 35 with gear 33 are on the pivot lever 27 attached. By rotating the first axis 26, this causes the counter thread 31 screwed thread 30 a displacement of the first axis 26 in their longitudinal direction, which has the consequence that the support member 23 accordingly is moved.

    Um zu vermeiden, dass der Tragteil 23 um die erste Achse 26 abkippen kann, ist dieser mit Abstützmitteln 37 ausgestattet, welche in Form von Rollen 38 ausgebildet sind, die an den beiden Randbereichen des Tragteils angebracht sind und die im wesentlichen auf entsprechenden Rollbahnen des Tragteils 23 und der Halterung 29 rollen können.To prevent the support part 23 from tipping over the first axis 26 can, this is equipped with support means 37, which in the form of Rollers 38 are formed on the two edge regions of the support part are attached and essentially on the corresponding runways of the Support part 23 and the bracket 29 can roll.

    Am Tragteil 23 ist ein Bauteil 39 befestigt, auf welchem die Steuerfläche 40 angebracht ist, entsprechend der Steuerfläche 10 gemäss den Fig. 1 und 2. Diese Steuerfläche 40 wirkt mit einem Führungsteil 41 zusammen, welcher an der Halterung 29 befestigt ist und dem Führungsteil 8 gemäss den Fig. 1 und 2 entspricht. Auch diese Steuerfläche 40 weist einen Einstellbereich und einen weiteren Bereich zum Abstellen der Auftragswalze auf, wie dies zu den Fig. 1 und 2 beschrieben worden ist.A component 39 is fastened on the supporting part 23, on which the control surface 40 is attached, corresponding to the control surface 10 according to FIG. 1 and 2. This control surface 40 interacts with a guide part 41 which is fastened to the holder 29 and the guide part 8 according to FIGS. 1 and 2 corresponds. This control surface 40 also has an adjustment range and another area for placing the application roller on, like this to the 1 and 2 has been described.

    Ein zwischen Halterung 29 und Schwenkhebel 27 angebrachtes elastisches Element 42, das als Druckfeder ausgebildet ist, bewirkt, dass der Tragteil 23 und somit die Steuerfläche 40 gegen den Führungsteil 41 gedrückt werden. A mounted between bracket 29 and pivot lever 27 elastic element 42, which is designed as a compression spring, causes the Support part 23 and thus the control surface 40 pressed against the guide part 41 become.

    Während des Verschiebens des Tragteils 23 zum Schwenkhebel 27 folgt die Steuerfläche 40 dem Führungsteil 41. Hierbei ist der Einstellbereich der Steuerfläche 40 im wesentlichen parallel zur Winkelhalbierenden 13 ausgerichtet, wie dies zu Fig. 2 beschrieben worden ist. Während des Verschiebens des Tragteils 23, ausgelöst durch Verdrehen der ersten Achse 26, macht der Schwenkhebel 27, hervorgerufen durch die Steuerfläche 40, insbesondere wenn es um das Abstellen der Reiberwalze geht, eine Schwenkbewegung. Um ein Verspannen des Tragteils 23 auf der Halterung 29, auf welcher der Tragteil 23 durch die Abstützmittel 37 abgestützt ist, zu vermeiden, ist zwischen den Abstützmitteln 37, die an einem Randbereich des Tragteils 23 angebracht sind, und dem Tragteil 23 eine Plattenfeder 43 eingesetzt. Dadurch können geringfügige Auslenkungen des Tragteils 23 zur Halterung 29 hin aufgenommen werden. Um die Position des Tragteils 23 bezüglich des Schwenkhebels 27 und demzufolge der Halterung 29 feststellen zu können, ist am Schwenkhebel 27 ein Stellwertgeber 44 angebracht, der mit einer Steuereinrichtung elektrisch verbunden ist, wie später noch beschrieben wird.During the displacement of the support part 23 to the pivot lever 27 the control surface 40 follows the guide part 41. Here is the setting range the control surface 40 is aligned essentially parallel to the bisector 13, as has been described for FIG. 2. While moving of the support member 23, triggered by turning the first axis 26, makes the pivot lever 27, caused by the control surface 40, in particular when it comes to parking the friction roller, a swiveling movement. Around a bracing of the support member 23 on the bracket 29 on which the support member 23 is supported by the support means 37, between the Support means 37, which are attached to an edge region of the supporting part 23, and the support member 23 a plate spring 43 is used. This can make minor Deflections of the support member 23 to the bracket 29 are recorded. To the position of the support member 23 with respect to the pivot lever 27 and consequently to be able to determine the holder 29 is on the pivot lever 27 a control value sensor 44 is attached, which is electrical with a control device is connected, as will be described later.

    Fig. 4 zeigt die Lageranordnung 22, die auf dem Tragteil 23 befestigt ist. Die erste Achse 26 ist, wie bereits erwähnt, drehbar aber verschiebefest in den beiden Laschen 25 des Tragteils 23 gelagert. Beim Verdrehen dieser ersten Achse 26 verschiebt sich diese bezüglich des Schwenkhebels 27 und nimmt den Tragteil 23 mit. Das Zahnradritzel 32 verschiebt sich demzufolge ebenfalls bezüglich des Zahnrades 33, weshalb es eine entsprechend grosse Breite aufweist.Fig. 4 shows the bearing assembly 22, which is fixed on the support member 23 is. As already mentioned, the first axis 26 is rotatable but non-displaceable in FIG the two tabs 25 of the support member 23 mounted. When twisting this first Axis 26 moves this with respect to the pivot lever 27 and takes the support member 23. The gear pinion 32 consequently shifts also with respect to the gear 33, which is why it is a correspondingly large Width.

    Die zweite Achse 28, die in der Halterung 29 gehalten ist, und um welche der Schwenkhebel 27 schwenkbar ist, kann mit einer Kraftmesseinrichtung 45 ausgestattet sein, die beispielsweise aus einer Kraftmessdose 46 bestehen kann, die in den Schwenkhebel 27 eingesetzt ist und die Lagerung der zweiten Achse 28 aufnimmt. Diese Kraftmessdose 26 ist mit einer Steuereinrichtung elektrisch verbunden, wie später noch beschrieben wird. The second axis 28, which is held in the holder 29, and around which pivot lever 27 is pivotable can be measured with a force measuring device 45, which consist for example of a load cell 46 can, which is inserted in the pivot lever 27 and the storage of second axis 28 takes. This load cell 26 is with a control device electrically connected, as will be described later.

    Die Halterung 29 ist am Maschinenrahmen 53 der Druckmaschine befestigt.The bracket 29 is on the machine frame 53 of the printing press attached.

    Fig. 5 zeigt eine Ansicht der die Abstützmittel 37 bildenden Rollen 38, die an einem Randbereich des Tragteils 23 vorgesehen sind. Die Rollen 38 stützen sich einerseits im wesentlichen direkt auf den Tragteil 23 ab, wirken auf der gegenüberliegenden Seite aber auf die Plattenfeder 43, die auf die Halterung 29 aufgesetzt ist und eine geringe Bewegung des Tragteils 23 zur Halterung 29 hin zulässt.5 shows a view of the rollers forming the support means 37 38, which are provided on an edge region of the support part 23. The rollers 38 are supported on the one hand essentially directly on the supporting part 23, act on the opposite side but on the plate spring 43, which on the bracket 29 is placed and a slight movement of the support member 23 to the bracket 29 permits.

    In Fig. 6 ist wiederum die am Tragteil 23 befestigte Lageranordnung 22 ersichtlich, sowie die Abstützmittel 37, durch welche der Tragteil 23 auf der Halterung 29 abgestützt ist. Insbesondere ist in dieser Figur die Verschwenkung des Schwenkhebels 27 um die zweite Achse 28 dargestellt. Durch die Druckfeder 42 wird der Schwenkhebel 27 und mit diesem der Tragteil 23 mit der Steuerfläche 40 (Fig. 3) gegen den Führungsteil 41 (Fig. 3) gedrückt.In Fig. 6 is again the bearing assembly attached to the support member 23 22 can be seen, as well as the support means 37, through which the support member 23 on the Bracket 29 is supported. In particular, the pivoting is in this figure of the pivot lever 27 about the second axis 28. Through the Compression spring 42 is the pivot lever 27 and with this the support member 23 the control surface 40 (FIG. 3) pressed against the guide part 41 (FIG. 3).

    Fig. 7 zeigt den Führungsteil 41, der an der Halterung 29 befestigt ist, sowie die Steuerfläche 40, die im Bauteil 39 vorgesehen ist, welcher Bauteil 39 am Tragteil 23 befestigt ist. Der Führungsteil 41 ist auf einem einstellbaren Exzenter 54 befestigt, wie ebenfalls aus Fig. 5 entnehmbar ist. Dieser Exzenter 54 kann beispielsweise bei der Montage dieser erfindungsgemässen Vorrichtung eingestellt werden, wodurch beispielsweise der Anpressdruck der Auftragswalze 3 zum Plattenzylinder 1 grösser gewählt werden kann, als der Anpressdruck der Auftragswalze 3 zur Reiberwalze 2.Fig. 7 shows the guide part 41, which is attached to the bracket 29 and the control surface 40, which is provided in component 39, which component 39 is attached to the support member 23. The guide part 41 is adjustable Eccentric 54 attached, as can also be seen in FIG. 5. This eccentric 54 can, for example, when assembling this device according to the invention can be set, for example, the contact pressure of the application roller 3 for plate cylinder 1 can be chosen larger than the contact pressure the application roller 3 to the friction roller 2.

    Wie bereits erwähnt, kann der Bauteil 39, in welchem die Steuerfläche 40 angebracht ist, ausgetauscht werden, wodurch durch entsprechende Wahl der Form der Steuerfläche das Verhältnis des Anpressdruckes beispielsweise der Auftragswalze/Reiberwalze zum Anpressdruck Auftragswalze/Plattenzylinder beeinflusst werden kann.As already mentioned, the component 39 in which the control surface 40 is attached to be replaced, by appropriate Choice of the shape of the control surface, the ratio of the contact pressure, for example the application roller / friction roller for contact pressure application roller / plate cylinder can be influenced.

    Zur Einstellung und Abstellung beispielsweise der Auftragswalze 3 bezüglich Reiberwalze und Plattenzylinder ist eine Steuereinrichtung 47 vorgesehen, wie dies in Fig. 8 schematisch dargestellt ist. Diese kann beispielsweise eine speicherprogrammierbare Steuerung 48 sein, mit welcher die Soll-Position der Auftragswalze 3 vorgegeben wird. Die Ist-Position der Auftragswalze 3 wird durch den Stellwertgeber 44 an die speicherprogrammierbare Steuerung 48 zurückgemeldet. Durch Ansteuern der Motoren 36 wird die Auftragswalze entsprechend eingestellt. Zur Bestimmung des Sollwertes der jeweiligen Walzenstellung können der speicherprogrammierbaren Steuerung 48 auch Informationen von der Maschinensteuerung 49 zugetragen werden, beispielsweise über Geschwindigkeit, Laufdauer, An- und Abstellen usw.For setting and stopping the application roller 3, for example a control device 47 is provided with respect to the friction roller and plate cylinder, as shown schematically in Fig. 8. This can, for example be a programmable logic controller 48 with which the target position the application roller 3 is specified. The actual position of the application roller 3 is by the actuating value transmitter 44 to the programmable logic controller 48 reported back. By driving the motors 36, the application roller becomes corresponding set. To determine the target value of the respective roller position The programmable logic controller 48 can also provide information are transmitted by the machine control 49, for example via Speed, running time, on and off etc.

    Es ist auch möglich, andere Istwerte, beispielsweise der über die Kraftmesseinrichtung 45 ermittelte Anpressdruck oder andere Werte, die direkt an der Maschine mittels Messsonden 50 ermittelt werden, in die speicherprogrammierbare Steuerung 48 einzugeben. Hierbei kann auch der Walzendurchmesser der einstellbaren Walze eingegeben werden, aufgrund dessen die Lage der Walze entsprechend eingestellt wird.It is also possible to use other actual values, for example the one about the Force measuring device 45 determined contact pressure or other values directly can be determined on the machine by means of measuring probes 50, in the programmable logic controller Enter controller 48. The roller diameter can also be used here the adjustable roller can be entered based on this the position of the roller is adjusted accordingly.

    Die gespeicherten Sollwerte und die Istwerte über die Lage der einstellbaren Walzen wie auch andere verwendbare Einflussgrössen, die einen Einfluss auf die Position der einstellbaren Walze haben können, können über einen Display 51 der speicherprogrammierbaren Steuerung 48 dargestellt und kontrolliert werden, sie können aber auch über eine ebenfalls in der Steuereinrichtung 47 angebrachten Tastatur 52 verändert werden.The stored setpoints and the actual values about the position of the adjustable ones Rolls as well as other usable influencing factors that one Can affect the position of the adjustable roller can a display 51 of the programmable controller 48 is shown and can be checked, but they can also be controlled in the control device 47 attached keyboard 52 can be changed.

    Mit dieser erfindungsgemässen Vorrichtung wird in optimaler Weise eine Einstellung der entsprechenden Walzen bezüglich zweier benachbarter Walzen ermöglicht, wobei der Aufbau dieser Vorrichtung einfach gehalten werden kann, und wobei die Einstellung automatisch gesteuert erfolgen kann, abhängig von den zu berücksichtigenden Parametern der Maschine.This device according to the invention is used in an optimal manner an adjustment of the corresponding rollers with respect to two neighboring ones Rolling allows, the structure of this device can be kept simple can, and the setting can be carried out automatically controlled, depending the machine parameters to be taken into account.

    Claims (15)

    1. Apparatus for adjusting an inking- or dampening-device roller (3) of a printing machine relative to two adjacent, fixed rollers (1; 2) rotatingly mounted in a machine frame (53) of the printing machine, in which each of the two ends of the spindle of the inking- or dampening-device roller (3) is rotatingly mounted in a bearing arrangement (22) which are displaceable via drive means relative to the machine frame (53) in a plane perpendicular to said spindle, characterised in that the displacement of each of the two bearing arrangements (22) takes place in each case along at least one control surface (10; 40) cooperating with a guide part (8; 41), which control surface has at least one adjustment zone (14) that runs substantially parallel to an angle bisector (13) of an angle (α), which angle (α) is formed by two connection lines which in each case connect the axis of the inking- or dampening-device roller (3) to respective axis of the adjacent rollers (1; 2), and that the drive means for displacement of the bearing arrangement (22) consist in each case of a single linear drive (12; 18).
    2. Apparatus according to claim 1, characterised in that for each bearing arrangement (22) a control surface (10; 40) is provided, and that the guide part (8; 41) and the control surface (10; 40) are pressed against one another by means of a resilient element (9; 42).
    3. Apparatus according to claim 2, characterised in that the inking- or dampening-device roller is an inking roller (3) disposed between a distributor roller (2) and a plate cylinder (1), that the control surface (10; 40) is disposed in such a way that the pressing force exerted by the resilient element (9; 42) is directed toward the distributor roller (2), and the control surface (10; 40) has a further zone (15) adjoining the adjustment zone (14), which further zone is inclined toward the distributor roller (2) so that the inking roller (3), upon displacement into this further zone (15), is supported by the pressing force exerted on the distributor roller (2) by the resilient element (9; 42), a space is created between control surface (10; 40) and guide part (8; 41), and the inking roller (3) is disengaged from the plate cylinder.
    4. Apparatus according to one of the claims 1 to 3, characterised in that each bearing arrangement (22) is secured on a support part (23) held in a mount (29) which is firmly connected to the machine frame (53) and with respect to which the support part (23) is displaceable along the control surface (40), the control surface (40) being disposed on the support part (23), and the guide part (41) running along the control surface (40) being fixed to the mount (29).
    5. Apparatus according to claim 4, characterised in that the support part (23) at one end of at least one swivelling lever (27) is pivotably coupled about a first spindle (26), which first spindle (26) is aligned substantially parallel to the adjustment zone of the cam (40), and that the at least one swivelling lever (27) at its other end is held in the mount (29) swivellingly about a second spindle (28) aligned parallel to the first spindle (26).
    6. Apparatus according to claim 5, characterised in that the support part (23) is axially displaceable along the first spindle (26) and/or the second spindle (28).
    7. Apparatus according to one of the claims 5 or 6, characterised in that a swivelling lever (27) is provided which is swivelingly connected to the support part (23) substantially in a middle region, while the two edge areas of the support part (23) are provided with underpinning means (37) by means of which the support part (23) is buttressed on the mount (29) to prevent tipping about the first spindle (26).
    8. Apparatus according to claim 7, characterised in that the underpinning means (37) take the form of rollers (38), and that these rollers (38) are resiliently supported on the mount (29) at one of the two edge areas of the support part (23).
    9. Apparatus according to one of the claims 6 to 8, characterised in that the first spindle (26) is held rotatingly and non-slidingly in the support part (23), that provided in the middle region of the first spindle (26) is a thread (30) screwed into a matching counterthread (31) disposed in the swivelling lever (27), and that the first spindle (26) is driveable in both rotational directions by means of a motor (36) and a gear mechanism (35).
    10. Apparatus according to claim 9, characterised in that the motor (36) and the gear mechanism (35) are secured to the swivelling lever (27), and that secured to the driven shaft of the gear mechanism (35) is a gearwheel (33) which meshes with a pinion (32) fixed, rigid against torsion, to the first spindle (26).
    11. Apparatus according to one of the claims 4 to 10, characterised in that the control surface (40) is disposed on a component (39) secured detachably and replaceably to the support part (23), and that the guide part (41) is adjustable with respect to the mount (29).
    12. Apparatus according to one of the claims 5 to 11, characterised in that the resilient element (42) is a spring by means of which the swivelling lever (27) and thus the cam (40) connected thereto can be pressed against the guide part (41).
    13. Apparatus according to one of the claims 1 to 12, characterised in that a control unit (47) is provided, by means of which the adjustment of the roller (3) takes place automatically as a function of selectable parameters.
    14. Apparatus according to one of the claims 1 to 13, characterised in that a position indicator (44) is provided for determining the momentary position of the roller (3).
    15. Apparatus according to one of the claims 1 to 14, characterised in that the contact pressure of the roller (3) against the adjacent rollers (1, 2) is measurable by means of a dynamometer arrangement (45).
    EP96810580A 1996-09-03 1996-09-03 Device for adjusting an inking or damping roller in a printing machine Expired - Lifetime EP0826501B2 (en)

    Priority Applications (4)

    Application Number Priority Date Filing Date Title
    EP96810580A EP0826501B2 (en) 1996-09-03 1996-09-03 Device for adjusting an inking or damping roller in a printing machine
    DE59605059T DE59605059D1 (en) 1996-09-03 1996-09-03 Device for setting an inking or dampening roller of a printing press
    JP9235796A JP2977197B2 (en) 1996-09-03 1997-09-01 Ink kneading or dampening device for printing press Roller adjusting device
    US08/922,238 US5819656A (en) 1996-09-03 1997-09-03 Apparatus for adjusting an inking or dampening-device roller of a printing machine

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP96810580A EP0826501B2 (en) 1996-09-03 1996-09-03 Device for adjusting an inking or damping roller in a printing machine

    Publications (3)

    Publication Number Publication Date
    EP0826501A1 EP0826501A1 (en) 1998-03-04
    EP0826501B1 true EP0826501B1 (en) 2000-04-26
    EP0826501B2 EP0826501B2 (en) 2004-01-02

    Family

    ID=8225689

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96810580A Expired - Lifetime EP0826501B2 (en) 1996-09-03 1996-09-03 Device for adjusting an inking or damping roller in a printing machine

    Country Status (4)

    Country Link
    US (1) US5819656A (en)
    EP (1) EP0826501B2 (en)
    JP (1) JP2977197B2 (en)
    DE (1) DE59605059D1 (en)

    Families Citing this family (13)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19963944C1 (en) 1999-12-31 2001-06-13 Koenig & Bauer Ag Method to adjust cylinders of printing machine; involves moving abutment to limit stroke of axle holder for adjustable cylinder at space from base plate and applying adjusting and holding forces
    ATE438510T1 (en) * 2000-06-30 2009-08-15 Komori Printing Mach CONTROL FOR THE COLOR DEVICE OF A PRINTING PRESS
    JP3664242B2 (en) * 2001-03-02 2005-06-22 株式会社東京機械製作所 Nip width adjusting device in liquid supply device of printing press
    DE10262042B4 (en) * 2001-12-06 2005-11-10 Koenig & Bauer Ag For the adjustment of printing/wetting rollers, at an offset printing press, actuators are operated to move the rollers and set the pressures between them independently
    DE50205974D1 (en) 2001-12-06 2006-04-27 Koenig & Bauer Ag DEVICE FOR ADJUSTING ROLLERS IN A PRINTING MACHINE
    DE102004004665B4 (en) * 2004-01-30 2005-12-29 Koenig & Bauer Ag Device for adjusting a pressing force exerted by a roller in a roller strip on an adjacent rotary body and for setting the roller against the rotary body or for stopping the roller from the rotary body
    DE102004008090A1 (en) * 2004-02-19 2005-09-08 Man Roland Druckmaschinen Ag Device for positioning a roller in a dyeing or dampening unit of a rotary printing machine
    DE102004031946B4 (en) * 2004-06-30 2021-03-18 Heidelberger Druckmaschinen Ag Method for driving rollers of a printing unit of a printing machine
    ITVR20040141A1 (en) * 2004-09-10 2004-12-10 Valentini Maria Grazia SUPPORT AND RELEASE DEVICE FOR A HUB OF A CYLINDER FOR PRINTING MACHINE.
    DK1867478T3 (en) 2005-04-21 2009-05-04 Koenig & Bauer Ag Pressure works with at least two cooperating cylinders
    FR2889822B1 (en) * 2005-08-19 2007-11-09 Goss Int Montataire Sa PRINTING UNIT WITH MOBILE WHIRLPOPPER CYLINDER BETWEEN PRESSURE POSITION AND PRESSURE POSITION AND CORRESPONDING PRINTING PRESS.
    DE102006011926B4 (en) * 2006-03-15 2010-03-18 Windmöller & Hölscher Kg Method for adjusting the position of the printing unit of a printing machine and apparatus for carrying out this method
    EP1938989A1 (en) 2006-12-27 2008-07-02 Gimaco Ingenieur AG für Maschinenbau Bearing device for an ink or dampening roller of a printing press

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    US2177261A (en) * 1937-08-31 1939-10-24 Goss Printing Press Co Ltd Inking mechanism
    DE6929358U (en) * 1969-07-24 1969-11-13 S M B Sondermaschb Gmbh PRINTING UNIT FOR ROTARY PRINTING MACHINES
    US3683805A (en) * 1970-07-23 1972-08-15 Harris Intertype Corp Liquid handling mechanism
    US3678849A (en) * 1970-10-02 1972-07-25 Western Printing Mach Co Doctor blade oscillatable between plate cylinder and ink transfer roll
    DE3825517A1 (en) * 1988-07-27 1990-02-01 Wifag Maschf DEVICE FOR SWITCHING ON AND OFF AND ADJUSTING FARBWERKS- OR. DAMPING ROLLER OF A PRINTING MACHINE
    US5179898A (en) * 1991-11-15 1993-01-19 Rockwell International Corporation Printer with roller mounting assembly
    US5590598A (en) * 1992-06-23 1997-01-07 Keller; James J. Horizontal sheet transfer multiple color offset rotary printing press with horizontal slide access
    DE4400563C2 (en) † 1994-01-11 2000-08-10 Roland Man Druckmasch Roller in an inking unit or dampening unit of a rotary printing press

    Also Published As

    Publication number Publication date
    DE59605059D1 (en) 2000-05-31
    EP0826501B2 (en) 2004-01-02
    JPH1086340A (en) 1998-04-07
    JP2977197B2 (en) 1999-11-10
    EP0826501A1 (en) 1998-03-04
    US5819656A (en) 1998-10-13

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