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EP2158085B1 - Ink chamber for an inking system of a rotary printing machine and method for the production of such an ink chamber - Google Patents

Ink chamber for an inking system of a rotary printing machine and method for the production of such an ink chamber Download PDF

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Publication number
EP2158085B1
EP2158085B1 EP08774063A EP08774063A EP2158085B1 EP 2158085 B1 EP2158085 B1 EP 2158085B1 EP 08774063 A EP08774063 A EP 08774063A EP 08774063 A EP08774063 A EP 08774063A EP 2158085 B1 EP2158085 B1 EP 2158085B1
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EP
European Patent Office
Prior art keywords
ink
chamber
channel
doctor
recess
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.)
Not-in-force
Application number
EP08774063A
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German (de)
French (fr)
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EP2158085A1 (en
Inventor
Klaus Gräler
Andreas Ihme
Frank Gunschera
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Publication of EP2158085A1 publication Critical patent/EP2158085A1/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
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers

Definitions

  • the invention relates to a color chamber for an inking unit of a rotary printing press according to the preamble of claim 1.
  • the invention further relates to a method for producing a color chamber for an inking unit of a rotary printing press according to the preamble of claim 9.
  • At least two doctor blades are provided which can be fixed to the doctor chamber body.
  • a sealing body is arranged at each of the end sides of the doctoring chamber body. Doctor blades and sealing surfaces of the sealing bodies can be placed on the inking roller, so that the ink sealing roller, the doctor blade, the doctor chamber body and the Sealing body seal the groove-like recess to the outside, so that an interior is created, which is completed.
  • the doctoring chamber body is provided with a paint feed, which is often arranged in the middle. Furthermore, color runs are generally also provided in order to be able to maintain a color cycle. These color sequences, on the printing ink, which is inevitably enriched in the printing operation with air, can be discharged, are arranged in the end regions of the interior or the groove-like recess.
  • the object of the present invention is therefore to reduce the cleaning or the replacement cost.
  • this object is solved by the features of the characterizing part of claim 1. Accordingly, it is provided that at the end pieces and intermediate walls are arranged, which are the trough-like Recess in a main chamber and at least one secondary chamber separates. In each secondary chamber can be provided a color sequence. The operation of these partitions per se has already been described in the aforementioned patents.
  • sealing bodies are also arranged on or in the end pieces.
  • end pieces can be prepared, which include unconsumed seal body.
  • the end pieces are of angular design and the color transfer roller side facing away from the Rakelschianus is connected to the doctor blade chamber body.
  • This connection can be made with screws, preferably thumbscrews. Since the inking works well in the radial direction of the ink transfer rollers well, but in the axial direction of the ink transfer rollers because of the rack walls, storage facilities or Propellers are relatively poorly accessible, the arrangement of the attachment to the underside of the Rakelhunt utilizats, which shows in the radial direction of the ink transfer roller, of particular advantage. For the removal of the end pieces of the chambered doctor blade body, a lateral space of a few centimeters is sufficient.
  • the end pieces are essentially made of plastic. In this way can be produced in a simple and very cost-effective manner moldings that form the tails. Depending on the softness of the material used, the end pieces then already have certain sealing properties, so that the points of contact, edges and surfaces with the doctor chamber body and with other elements need not additionally be provided with seals. This contributes to a further cost reduction.
  • end pieces are produced by an injection molding process.
  • very many end pieces in the form of molded parts can be produced economically, so that, for example, an end piece which is no longer sufficiently cleanable can be disposed of without incurring high costs for replacement or costly cleaning.
  • the provided for discharging the ink hoses or lines are detachably connected with a coupling system to the end pieces and when the connector of this coupling system is arranged on the tail.
  • the end piece and plug of the aforementioned coupling system in one piece. This is particularly advantageous when the tail is made as an injection molded part.
  • At least one color flow is introduced into each end piece and the end pieces are detachably fastened to the end regions of the doctor chamber body.
  • end pieces are made of plastic, wherein a plastic injection molding is preferred.
  • Fig. 1 shows a side view of a paint chamber doctor blade 1 according to the invention, in which an end piece 2 is fixed to the chamber doctor blade body 3.
  • the tail can be screwed by means not shown screws which run in the axial direction of the chambered doctor blade body 3, to this.
  • FIG. 2 shows the same view as the FIG. 1 , However, the tail has now been removed from the chambered doctor blade body 3.
  • the end piece 2 comprises an outlet opening 4, which via a cavity 23 (see Fig. 3 ) is connected to the trench-like recess 5, so that printing ink, which passes into this recess 5 can be removed via the outlet opening 4.
  • the outlet opening 4 is concentrically surrounded by a dashed circle, which is intended to indicate that the outlet opening is provided with an internal thread. This can be screwed into the outlet opening a connector, which can be connected to a hose or pipe for the discharge of ink.
  • the hose can be coupled to the connector, for example via a coupling.
  • the recess 5 is connected to the interior 6 of the tail.
  • This secondary space 6 is essentially limited by at least one wall 7, which, when the end piece 2 is screwed to the chambered doctor blade body 3, the auxiliary space 6 of the end piece 2 of the trough-like main space 8 of the chambered doctor blade body 3 (see FIG. 3 ) delimits.
  • this wall 7 is shown in dashed lines. The effect of such walls is in the aforementioned patent DE 195 16 223 C2 the Applicant described in detail why more detailed explanations will be omitted here at this point.
  • the wall 7 may be suitably removably attached to the end piece 2.
  • this is Screw connections conceivable.
  • the sealing body 9 is held in the circumferential direction of the ink transfer rollers, not shown, between two webs 10 of the end piece 2. In order to prevent an axial displacement of the seal body 9, this is the end face of the tail 2 held by a holding plate 11 which may be bolted to the end piece 2. However, preference is given to a pivotable retaining plate 11, whose execution and function in the patent EP 0 896 877 B1 the applicant is under protection. While the holding plate 11 according to the cited patent is pivotally mounted on the chambered doctor blade body 3, this holding plate 11 according to the present invention is also arranged on the end piece 2 which can be removed from the chambered doctoring body 3.
  • a counter-holding wall 12 is provided, to which the sealing body can be applied.
  • This counter-holding wall 12 like the wall 7, can be removably arranged on the end piece 2.
  • the counter-holding wall 12 is formed integrally with the end piece 12.
  • the doctor blades are placed on the support surfaces 13 of the chambered doctor blade body 3 and fixed there in a suitable manner.
  • the connecting seam 18 between end piece 2 and chamber doctor blade body 3 crosses this bearing surface (as in the Figures 1 and 2 is shown) and thus leads to leaks, it is according to the FIGS. 3 and 4 provided to form the bearing surfaces 13 extended relative to the chambered doctor blade body by means of extension sections 14, so that they extend to the sealing body 9.
  • the webs 10 may have corresponding recesses 15. Between recess 15 and extension portion 14 of the support surface 13 sealing means can be provided.
  • the doctor blades are fixed by means not described in more detail on the support surfaces 13.
  • These fastening means comprise clamping rails, with which the doctor blades are pressed onto the support surfaces 13 and waves, which are inserted into the longitudinal recesses 16.
  • the clamping rails may also include longitudinal webs which can grip the recesses 16. Regardless of how the fastening means are designed, it is provided that the depressions 16 continue as depressions 17 in the end piece. In general, it is advantageous if the cross-sectional contour of chamber doctor blade body 3 and end piece 2 is substantially congruent.
  • FIG. 6 shown view of said embodiment in the region of the trench-like recess 5 is provided with a recess 24 which may be rectangular in shape.
  • a seal 20 may be provided, which may be inserted into a groove around the trench-like depression 5 around the end piece 2 and the chambered doctor blade body 3 sufficiently seals against the end piece 2.
  • This seal 20 is in the FIG. 6 shown in dashed lines and can continue below the seal body 9. In the FIG. 5 the seal 20 is shown as a dashed line.
  • the end piece 2 may be provided with an extension piece 21 in a Farbschrakel 1 according to the invention, so that the end piece 2 is formed in the side view as an angle.
  • This expression of the tail is not on the embodiment in the FIGS. 5 and 6 limited.
  • This end piece makes it possible to attach the end piece to the underside of the chambered doctor blade body 3 with suitable fastening means, for example one or more of the screw 22 shown.
  • This type of attachment of the tail is advantageous in many printing machines, since in the longitudinal direction of the ink chamber doctor blade is often not sufficient mounting space.
  • FIG. 7 shows the embodiment according to FIG. 6 Clearly recognizable now is the appearance of the end of the ink chamber blade 1. Above all, now the recess 24 can be seen, which is introduced so that when deferred end piece 2, the trench-like depression 5 is exposed. As has already been explained with reference to the exemplary embodiments of the invention already described above, the trench-like depression 5 is in communication with the outlet opening 4, so that ink can flow out through the trench-like depression 5, the connection and the outlet opening.
  • Farbschzigrakel 1 is pushed (see also FIG. 5 ).
  • through holes 26 are arranged through which screws 22 can reach through to secure the end piece 2 to the paint chamber doctor blade.
  • On the right side of the projection 21 is an elevation 25, in which the recess 5 and also the groove, in which the seal 20 is inserted, are introduced.
  • the seal 20 is shown as a line which is partly solid and partly interrupted.
  • the part shown as a broken line is covered by the seal 9.
  • the part shown as a solid line is covered with deferred end piece 2 by the edges of the trough-like main chamber of the chambered doctor blade body and therefore in the illustration of FIG. 7 not covered and thus visible.
  • FIG. 1 Each of the figures shows one end of a paint chamber doctor blade 1. It is understood that both ends of a ink chamber doctor blade 1 can be provided with the end pieces 2 described.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Crushing And Grinding (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Ink Jet (AREA)

Abstract

The invention relates to an ink chamber (1) for an inking system of a rotary printing machine comprising at least the following elements: - an ink transfer roller rotating about an axis during operation, - an elongated doctor blade chamber body (3) extending in the direction of said axis, comprising a channel-like cutout, - two doctor blades attachable to the doctor blade chamber body and able to contact the ink transfer roller, - two sealing bodies (9) disposed in the end areas of the doctor blade chamber body, the sealing surfaces of said sealing bodies being able to contact the ink transfer roller, - an ink inlet by way of which printing ink can be fed into the channel-like cutout, and - two ink outlets, through which printing ink can be removed from the channel-like cutout, one ink outlet being disposed in each end area of the channel-like cutout. Two end pieces (2) are provided in which the channel-like cutout continues. The ink outlets are disposed in the end pieces and the end pieces may be attached to the end regions of the blade chamber body in a removable fashion.

Description

Die Erfindung betrifft eine Farbkammer für ein Farbwerk einer Rotationsdruckmaschine nach dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung einer Farbkammer für ein Farbwerk einer Rotationsdruckmaschine nach dem Oberbegriff des Anspruchs 9.The invention relates to a color chamber for an inking unit of a rotary printing press according to the preamble of claim 1. The invention further relates to a method for producing a color chamber for an inking unit of a rotary printing press according to the preamble of claim 9.

Solche Farbkammern sind sowohl aus der Praxis als auch den Patentschriften DE 195 16 223 C2 , DE 101 50 488 84 und der Veröffentlichung WO 2005/105450 A1 bekannt Diesen Farbkammem zugeordnet ist eine Farbübertragungswalze, welche sich im Betrieb um eine Achse dreht Da die Farbübertragungswalze meist rotationssymmetrisch ist, ist diese Drehachse die entsprechende Symmetrieachse. Weiterhin gehört ein In Richtung dieser Achse verlaufender, lang gestreckter Rakelkammerkörper zur Farbkammer. Zur Aufnahme der Druckfarbe ist dieser Rakeikammerkörper üblicherweise mit einer rinnenartigen Ausnehmung versehen, die der Farbübertragungswalze zugewandt ist.Such color chambers are both in practice and the patents DE 195 16 223 C2 . DE 101 50 488 84 and the publication WO 2005/105450 A1 Associated with this Farbkammem is a ink transfer roller, which rotates in operation about an axis Since the ink transfer roller is usually rotationally symmetrical, this axis of rotation is the corresponding axis of symmetry. Furthermore, an elongated doctor blade chamber body extending in the direction of this axis belongs to the ink chamber. For receiving the printing ink of this Rakeikammerkörper is usually provided with a groove-like recess which faces the ink transfer roller.

Um diese rinnenartige Ausnehmung nach außen hin abzudichten, sind zumindest zwei Rakelmesser vorgesehen, die an dem Rakelkammerkörper fixierbar sind. An den Stirnseiten des Rakelkammerkörpers ist In der Regel je ein Dichtungskörper angeordnet Rakelmesser und Dichtflächen der Dichtungskörper sind an die Farbauftragswaize anstellbar, so dass die Farbdichtungswalze, die Rakelmesser, der Rakelkammerkörper und die Dichtungskörper die rinnenartige Ausnehmung nach außen hin abdichten, so dass ein Innenraum entsteht, der abgeschlossen ist.In order to seal this groove-like recess to the outside, at least two doctor blades are provided which can be fixed to the doctor chamber body. As a rule, a sealing body is arranged at each of the end sides of the doctoring chamber body. Doctor blades and sealing surfaces of the sealing bodies can be placed on the inking roller, so that the ink sealing roller, the doctor blade, the doctor chamber body and the Sealing body seal the groove-like recess to the outside, so that an interior is created, which is completed.

Um diesem Innenraum Druckfarbe zuführten zu können, ist der Rakelkammerkörper mit einem Farbzulauf versehen, der oft mittig angeordnet ist Weiterhin sind in der Regel auch Farbabläufe vorgesehen, um einen Farbkreislauf aufrecht halten zu können. Diese Farbabläufe, über die Druckfarbe, die im Druckbetrieb unvermeidlich mit Luft angereichert wird, abführbar ist, sind In den Endbereichen des Innenraums bzw. der rinnenartigen Ausnehmung angeordnet.In order to be able to supply printing ink to this interior, the doctoring chamber body is provided with a paint feed, which is often arranged in the middle. Furthermore, color runs are generally also provided in order to be able to maintain a color cycle. These color sequences, on the printing ink, which is inevitably enriched in the printing operation with air, can be discharged, are arranged in the end regions of the interior or the groove-like recess.

Oft besteht bei solchen Farbkammern das Problem, dass sich ihren Endbereichen, also im Bereich der Farbabläufe, Druckfarbe anreichert und festsetzt. Daher ist es häufig erforderlich, die Endbereiche der Farbkammer zu reinigen. Hierzu ist gewöhnlich die Farbkammer aus der Druckmaschine zu entfernen. Um die Druckmaschine während der Reinigung weiter betreiben zu können, müssen weitere Farbkammem vorgehalten werden. Lässt sich die Farbkammer nicht mehr in ausreichendem Maße reinigen, ist sie zu ersetzen. Sowohl das Vorhalten als auch das Ersetzen der Farbkammem führt zu hohen Reinigungs- bzw. Ersatzteilkosten.Often there is the problem with such color chambers that their end areas, ie in the area of color sequences, accumulate and set ink. Therefore, it is often necessary to clean the end portions of the ink chamber. For this purpose, the ink chamber is usually removed from the printing press. In order to continue to operate the press during cleaning, more Farbkammem must be kept. If the ink chamber can no longer be sufficiently cleaned, it must be replaced. Both the provision and the replacement of Farbkammem leads to high cleaning or spare parts costs.

Das Patent US 5,671,673 offenbart eine Farbkammer mit zwei Endstücken, in welchen sich die rinnenartige Ausnehmung fortsetzt und in oder an denen die Farbabläufe angeordnet sind. In Kombination hiermit gehört es zur erfindungsgemäßen Lösung, dass die Endstücke abnehmbar an den Endbereichen des Rakelkammerkörpers angeordnet sind. Jedoch sind auch solche Farbkammern nicht immer einfach zu reinigen.The patent US 5,671,673 discloses a paint chamber with two end pieces, in which the groove-like recess continues and in or at which the color sequences are arranged. In combination with this it is part of the inventive solution that the end pieces are arranged detachably at the end regions of the doctor chamber body. However, even such color chambers are not always easy to clean.

Die Aufgabe der vorliegenden Erfindung ist es daher, die Reinigungsbeziehungsweise die Ersatztellkosten zu reduzieren.The object of the present invention is therefore to reduce the cleaning or the replacement cost.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst. Demnach ist vorgesehen, dass an den Endstücken auch Zwischenwände angeordnet sind, die die rinnenartige Ausnehmung in eine Hauptkammer und zumindest eine Nebenkammer trennt. In jeder Nebenkammer kann dabei ein Farbablauf vorgesehen sein. Die Funktionsweise dieser Zwischenwände an sich wurde bereits in den eingangs erwähnten Patentschriften beschrieben.According to the invention, this object is solved by the features of the characterizing part of claim 1. Accordingly, it is provided that at the end pieces and intermediate walls are arranged, which are the trough-like Recess in a main chamber and at least one secondary chamber separates. In each secondary chamber can be provided a color sequence. The operation of these partitions per se has already been described in the aforementioned patents.

Damit ist es nun lediglich nötig, zu Reinigungszwecken die Endstücke von dem Rakelkammerkörper zu lösen, um die oben beschriebenen kritischen Stellen zu reinigen. Auch die Zwischenwände stören nun nicht. Die Reinigung des Rakelkammerkörpers selbst geschieht meist durch ein Waschprogramm für die Farbübertragungswalze. Zudem ist der Rakeikammerkörper vergleichsweise schnell und einfach zu reinigen. Von der erfindungsgemäßen Farbkammer brauchen lediglich die Endstücke entfernt zu werden und neue bzw. bereits gereinigte Endstücke angesetzt zu werden. Da sich die Endstücke kostengünstiger herstellen lassen als eine ganze Farbkammer, liegt der Vorteil der Kosteneinsparung auf der Hand. Auch die Reinigung an sich ist nun einfacher durchzuführen, da die im Vergleich zu der Farbkammer kleinen Endstücke sich beispielsweise In ein Reinigungsbad einlegen lassen, das mit einer geringen Menge an Reinigungsflüssigkeit auskommt.Thus, it is now only necessary for cleaning purposes to release the end pieces of the doctor chamber body to clean the critical points described above. Also the intermediate walls do not disturb now. The cleaning of the doctor chamber body itself is usually done by a wash program for the ink transfer roller. In addition, the Rakeikammerkörper is relatively quick and easy to clean. From the ink chamber according to the invention, only the end pieces need to be removed and new or already cleaned end pieces to be recognized. Since the end pieces can be produced more cost-effectively than a whole ink chamber, the advantage of cost savings is obvious. The cleaning itself is now easier to carry out, since the small compared to the ink chamber end pieces can be inserted, for example, in a cleaning bath, which manages with a small amount of cleaning liquid.

Von besonderem Vorteil Ist es dabei, wenn auch die Dichtungskörper an oder in den Endstücken angeordnet sind. Für einen erneuten, sofortigen Einsatz der Farbkammer können also Endstücke vorbereitet werden, die auch unverbrauchte Dichtungskörper umfassen. Damit kann der Wechsel der Dichtungskörper direkt an dem Rakelkammerkörper, der bisher nötig war, entfallen, was die Stillstandszeiten der Druckmaschine und damit die Kosten für die Reinigung weiter reduziert.It is particularly advantageous if the sealing bodies are also arranged on or in the end pieces. For a renewed, immediate use of the ink chamber so end pieces can be prepared, which include unconsumed seal body. Thus, the change of the sealing body directly on the doctor chamber body, which was previously necessary, omitted, which further reduces the downtime of the printing press and thus the cost of cleaning.

Es ist besonders vorteilhaft, wenn die Endstücke winkelartig ausgebildet sind und der der Farbübertragungswalze abgewandte Seite des Rakelkammerkörpers mit dem Rakelkammerkörper verbunden ist. Diese Verbindung kann mit Schrauben, vorzugsweise Rändelschrauben, herstellt werden. Da die Farbwerke häufig in radialer Richtung der Farbübertragungswalzen gut, aber in axialer Richtung der Farbübertragungswalzen wegen der Gestellwände, Lagereinrichtungen oder Anstriebseinrichtungen relativ schlecht zugänglich sind, die die Anordnung der Befestigung an der Unterseite des Rakelkammerkörpers, die in radiale Richtung der Farbübertragungswalze zeigt, von besonderem Vorteil. Für das Abziehen der Endstücke von dem Kammerrakelkörper reicht ein seitlicher Platz von wenigen Zentimetern.It is particularly advantageous if the end pieces are of angular design and the color transfer roller side facing away from the Rakelkammerkörpers is connected to the doctor blade chamber body. This connection can be made with screws, preferably thumbscrews. Since the inking works well in the radial direction of the ink transfer rollers well, but in the axial direction of the ink transfer rollers because of the rack walls, storage facilities or Propellers are relatively poorly accessible, the arrangement of the attachment to the underside of the Rakelkammerkörpers, which shows in the radial direction of the ink transfer roller, of particular advantage. For the removal of the end pieces of the chambered doctor blade body, a lateral space of a few centimeters is sufficient.

In einer besonders vorteilhaften Ausführungsform der Erfindung sind die Endstücke im Wesentlichen aus Kunststoff gefertigt. Auf diese Weise lassen sich auf einfache und sehr kostengünstige Weise Formkörper herstellen, die die Endstücke bilden. Je nach Weichheit des verwendeten Materials haben die Endstücke dann bereits gewisse Dichtungseigenschaften, so dass die die Berührungspunkte, -kanten und -flächen mit dem Rakelkammerkörper und mit anderen Elementen nicht zusätzlich mit Dichtungen versehen werden müssen. Dies trägt zu einer weiteren Kostenreduzierung bei.In a particularly advantageous embodiment of the invention, the end pieces are essentially made of plastic. In this way can be produced in a simple and very cost-effective manner moldings that form the tails. Depending on the softness of the material used, the end pieces then already have certain sealing properties, so that the points of contact, edges and surfaces with the doctor chamber body and with other elements need not additionally be provided with seals. This contributes to a further cost reduction.

Weiterhin ist es vorteilhaft, wenn die Endstücke mit einem Spritzgießverfahren hergestellt sind. Auf diese Weise lassen sich sehr viele Endstücke in Form von Formteilen wirtschaftlich herstellen, so dass beispielsweise ein nicht mehr hinreichend zu reinigendes Endstück entsorgt werden kann, ohne dass hohe Kosten für den Ersatz oder eine aufwändige Reinigung anfallen.Furthermore, it is advantageous if the end pieces are produced by an injection molding process. In this way, very many end pieces in the form of molded parts can be produced economically, so that, for example, an end piece which is no longer sufficiently cleanable can be disposed of without incurring high costs for replacement or costly cleaning.

Um ein schnelles Austauschen der Endstücke zu gewährleisten, ist es vorteilhaft, wenn die zur Abführung der Druckfarbe vorgesehenen Schläuche oder Leitungen mit einem Kupplungssystem an die Endstücke abnehmbar angeschlossen sind und wenn der Stecker dieses Kupplungssystems an dem Endstück angeordnet ist.In order to ensure a quick replacement of the end pieces, it is advantageous if the provided for discharging the ink hoses or lines are detachably connected with a coupling system to the end pieces and when the connector of this coupling system is arranged on the tail.

Gemäß einer vorteilhaften Weiterbildung der Erfindung ist es vorgesehen, Endstück und Stecker des vorgenannten Kupplungssystems einstückig auszubilden. Dies ist insbesondere dann von Vorteil, wenn das Endstück als Spritzgießteil hergestellt wird.According to an advantageous embodiment of the invention, it is provided to form the end piece and plug of the aforementioned coupling system in one piece. This is particularly advantageous when the tail is made as an injection molded part.

Gegenstand der Erfindung ist über die bereits beschriebene Farbkammer auch ein Verfahren zur Herstellung einer Farbkammerrakel. Zur Herstellung der Farbkammerrakel ist es bekannt, die folgenden Schritte durchzuführen:

  • Bereitstellung eines lang gestreckten Rakelkammerkörper, welcher eine rinnenartige Ausnehmung umfasst,
  • Bereitstellung von zwei Rakelmessern, welche an dem Rakelkammerkörper fixierbar sind und an eine Farbübertragungswalze anstellbar sind,
  • Anordnen von zwei Dichtungskörpern in den Endbereichen des Rakelkammerkörpers, welche mit ihren Dichtflächen an die Farbübertragungswalze anstellbar sind,
  • Erzeugen eines Farbzulaufs, über welchen der rinnenartige Ausnehmung Druckfarbe zugeführt wird,
  • Erzeugen zweier Farbabläufe, über welche Druckfarbe aus der rinnenartigen Ausnehmung abgeführt wird, wobei je ein Farbablauf in einem Endbereich der rinnenartigen Ausnehmung angeordnet wird.
The invention relates to the already described ink chamber and a method for producing a paint chamber doctor blade. For the production of the ink chamber doctor blade, it is known to carry out the following steps:
  • Providing an elongated doctor blade chamber body comprising a groove-like recess,
  • Provision of two doctor blades, which are fixable on the doctor chamber body and can be adjusted to a ink transfer roller,
  • Arranging two sealing bodies in the end regions of the doctor chamber body, which can be placed with their sealing surfaces against the ink transfer roller,
  • Generating a paint feed, via which ink is supplied to the groove-like recess,
  • Generating two color sequences over which printing ink is removed from the groove-like recess, wherein each color sequence is arranged in an end region of the groove-like recess.

Erfindungsgemäß wird zumindest je ein Farbablauf in jeweils ein Endstück eingebracht und die Endstücke abnehmbar an den Endbereichen des Rakelkammerkörpers befestigt. Über die Vorteile dieses Herstellungsverfahrens wurde bereits weiter oben berichtet.According to the invention, at least one color flow is introduced into each end piece and the end pieces are detachably fastened to the end regions of the doctor chamber body. The advantages of this manufacturing process have already been reported above.

Von besonderem Vorteil ist es, wenn die Endstücke dabei aus Kunststoff hergestellt werden, wobei ein Kunststoffspritzgießverfahren bevorzugt wird.It is particularly advantageous if the end pieces are made of plastic, wherein a plastic injection molding is preferred.

Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor.
Die einzelnen Figuren zeigen:

Fig. 1
Seitenansicht einer erfindungsgemäßen Farbkammerrakel mit befestigtem Endstück
Fig. 2
Ansicht wie in Fig. 1, allerdings mit abgenommenem Endstück
Fig. 3
Draufsicht auf eine zweite Ausführungsform einer erfindungsgemäßen Farbkammerrakel
Fig. 4
Ansicht wie in Fig. 3, allerdings mit abgenommenem Endstück
Fig. 5
Seitenansicht auf eine weitere Ausführungsform einer erfindungsgemäßen Farbkammerrakel
Fig. 6
Draufsicht auf die Farbkammerrakel gemäß Fig. 5
Fig. 7
Farbkammerrakel gemäß Figur 6, jedoch mit abgenommenem Endstück.
Further embodiments of the invention will become apparent from the description and the claims.
The individual figures show:
Fig. 1
Side view of a paint chamber doctor blade according to the invention with attached end piece
Fig. 2
View as in Fig. 1 , but with removed end piece
Fig. 3
Top view of a second embodiment of a paint chamber doctor blade according to the invention
Fig. 4
View as in Fig. 3 , but with removed end piece
Fig. 5
Side view of a further embodiment of a paint chamber doctor blade according to the invention
Fig. 6
Top view of the ink chamber doctor blade according to Fig. 5
Fig. 7
Farbkammerrakel according to FIG. 6 , but with removed end piece.

Fig. 1 zeigt eine Seitenansicht einer erfindungsgemäßen Farbkammerrakel 1, bei dem ein Endstück 2 an den Kammerrakelkörper 3 befestigt ist. Das Endstück kann dabei mittels nicht gezeigter Schrauben, die in axialer Richtung des Kammerrakelkörpers 3verlaufen, an diesen angeschraubt werden. Fig. 1 shows a side view of a paint chamber doctor blade 1 according to the invention, in which an end piece 2 is fixed to the chamber doctor blade body 3. The tail can be screwed by means not shown screws which run in the axial direction of the chambered doctor blade body 3, to this.

Die Figur 2 zeigt die gleiche Ansicht wie die Figur 1. Jedoch ist das Endstück nunmehr von dem Kammerrakelkörper 3 abgenommen worden. Das Endstück 2 umfasst eine Auslassöffnung 4, die über eine Aushöhlung 23 (siehe Fig. 3) mit der grabenartigen Vertiefung 5 verbunden ist, so dass Druckfarbe, die in diese Vertiefung 5 gelangt über die Auslassöffnung 4 abgeführt werden kann. In den Figuren ist die Auslassöffnung 4 konzentrisch von einem gestrichelten Kreis umgeben, was andeuten soll, dass die Auslassöffnung mit einem Innengewinde versehen ist. Damit kann in die Auslassöffnung ein Anschlussstück eingeschraubt werden, welches sich mit einem Schlauch oder Rohr zum Abführen von Druckfarbe verbinden lässt. der Schlauch lässt sich beispielsweise über eine Kupplung an das Anschlussstück ankoppeln. Ist das Endstück aus Kunststoff gebildet, bietet es sich jedoch an, das Anschlussstück und das Endstück einstückig auszubilden. Die Vertiefung 5 ist mit dem Innenraum 6 des Endstücks verbunden. Dieser Nebenraum 6 wird im Wesentlichen begrenzt durch zumindest eine Wandung 7, die, wenn das Endstück 2 an dem Kammerrakelkörper 3 angeschraubt ist, den Nebenraum 6 des Endstücks 2 von dem rinnenartigen Hauptraum 8 des Kammerrakelkörpers 3 (siehe Figur 3) abgrenzt. In den Figuren 1 und 2 ist diese Wandung 7 gestrichelt eingezeichnet. Die Wirkung derartiger Wandungen ist in der eingangs genannten Patentschrift DE 195 16 223 C2 der Anmelderin ausführlich beschrieben, weshalb auf nähere Ausführungen hierzu an dieser Stelle verzichtet wird. Die Wandung 7 kann auf geeignete Weise entfernbar an dem Endstück 2 befestigt sein. Beispielsweise sind hierzu Schraubverbindungen denkbar. Es ist jedoch auch vorstellbar, Wandung 7 und das Endstück 2 einstückig auszubilden. Da das Endstück erfindungsgemäß von dem Kammerrakelkörper 3 entfernbar ist, ist eine Reinigung und/oder Austausch der Wandung 7 nunmehr problemlos vornehmbar.The FIG. 2 shows the same view as the FIG. 1 , However, the tail has now been removed from the chambered doctor blade body 3. The end piece 2 comprises an outlet opening 4, which via a cavity 23 (see Fig. 3 ) is connected to the trench-like recess 5, so that printing ink, which passes into this recess 5 can be removed via the outlet opening 4. In the figures, the outlet opening 4 is concentrically surrounded by a dashed circle, which is intended to indicate that the outlet opening is provided with an internal thread. This can be screwed into the outlet opening a connector, which can be connected to a hose or pipe for the discharge of ink. The hose can be coupled to the connector, for example via a coupling. If the end piece is formed from plastic, however, it makes sense to form the connecting piece and the end piece in one piece. The recess 5 is connected to the interior 6 of the tail. This secondary space 6 is essentially limited by at least one wall 7, which, when the end piece 2 is screwed to the chambered doctor blade body 3, the auxiliary space 6 of the end piece 2 of the trough-like main space 8 of the chambered doctor blade body 3 (see FIG. 3 ) delimits. In the Figures 1 and 2 this wall 7 is shown in dashed lines. The effect of such walls is in the aforementioned patent DE 195 16 223 C2 the Applicant described in detail why more detailed explanations will be omitted here at this point. The wall 7 may be suitably removably attached to the end piece 2. For example, this is Screw connections conceivable. However, it is also conceivable to form the wall 7 and the end piece 2 in one piece. Since the tail according to the invention of the chambered doctor blade body 3 is removable, a cleaning and / or replacement of the wall 7 is now vornehmbar easily.

Gegenüberliegend von der Wandung 7 ist der Nebenraum 6 des Endstücks 2 und damit der gesamte Hauptraum 8 des Farbkammerrakels 1 nach außen hin mit einem Dichtungskörper 9 abgeschlossen. Der Dichtungskörper 9 wird in Umfangsrichtung der nicht gezeigten Farbübertragungswalzen zwischen zwei Stegen 10 des Endstücks 2 gehalten. Um auch eine axiale Verschiebung des Dichtungskörpers 9 zu verhindern, wird dieser stirnseitig des Endstücks 2 durch eine Halteplatte 11 gehalten, die mit dem Endstück 2 verschraubt sein kann. Bevorzugt wird jedoch eine schwenkbare Halteplatte 11, deren Ausführung und Funktion in dem Patent EP 0 896 877 B1 der Anmelderin unter Schutz gestellt ist. Während die Halteplatte 11 gemäß der genannten Patentschrift an dem Kammerrakelkörper 3 schwenkbar angeordnet ist, ist diese Halteplatte11 gemäß der vorliegenden Erfindung ebenfalls an dem Endstück 2, welches von dem Kammerrakelkörper 3 entfernt werden kann, angeordnet.Opposite of the wall 7 of the auxiliary space 6 of the tail 2 and thus the entire main space 8 of the ink chamber doctor blade 1 is closed to the outside with a sealing body 9. The sealing body 9 is held in the circumferential direction of the ink transfer rollers, not shown, between two webs 10 of the end piece 2. In order to prevent an axial displacement of the seal body 9, this is the end face of the tail 2 held by a holding plate 11 which may be bolted to the end piece 2. However, preference is given to a pivotable retaining plate 11, whose execution and function in the patent EP 0 896 877 B1 the applicant is under protection. While the holding plate 11 according to the cited patent is pivotally mounted on the chambered doctor blade body 3, this holding plate 11 according to the present invention is also arranged on the end piece 2 which can be removed from the chambered doctoring body 3.

Um ein Verrutschen des Dichtungskörpers 9 in Richtung des Innenraums 6 des Endstücks zu verhindern, ist eine Gegenhaltewand 12 vorgesehen, an die der Dichtungskörper angelegt werden kann. Diese Gegenhaltewand 12 kann, ähnlich wie die Wandung 7, entfernbar an dem Endstück 2 angeordnet sein. Bevorzugt ist jedoch, um die Herstellungskosten niedrig zu halten, die Gegenhaltewand 12 einstückig mit dem Endstück 12 auszubilden.In order to prevent slippage of the sealing body 9 in the direction of the interior 6 of the end piece, a counter-holding wall 12 is provided, to which the sealing body can be applied. This counter-holding wall 12, like the wall 7, can be removably arranged on the end piece 2. Preferably, however, in order to keep the manufacturing costs low, the counter-holding wall 12 is formed integrally with the end piece 12.

Um die Verbindungsnaht 18 zwischen Endstück 2 und Kammerrakelkörper 3 nach außen hin abzudichten, kann eine geeignete, aber nicht dargestellte Dichtung vorgesehen sind. Es ist jedoch auch möglich, das Endstück 2 aus einem thermoplastischen Kunststoff herzustellen, der sich an die Stirnfläche des Kammerrakelkörpers 3 dichtend anlegt.In order to seal the connecting seam 18 between end piece 2 and chamber doctor blade body 3 to the outside, a suitable, but not shown, seal are provided. However, it is also possible to produce the end piece 2 of a thermoplastic material, which bears sealingly against the end face of the chambered doctor blade body 3.

Die nicht gezeigten Rakelmesser werden auf die Auflageflächen 13 der Kammerrakelkörpers 3 aufgelegt und dort auf geeignete Weise fixiert. Um jedoch zu vermeiden, dass die Verbindungsnaht 18 zwischen Endstück 2 und Kammerrakelkörper 3 diese Auflagefläche kreuzt (wie es in den Figuren 1 und 2 gezeigt ist) und so zu Undichtigkeiten führt, ist es gemäß den Figuren 3 und 4 vorgesehen, die Auflageflächen 13 gegenüber dem Kammerrakelkörper mittels Verlängerungsabschnitten 14 verlängert auszubilden, so dass diese bis an den Dichtungskörper 9 heranreichen. Auf diese Weise wird es ermöglicht, dass das Rakelmesser auf einer durchgängigen und ebenen Auflagefläche 13 auflegbar ist. Die Stege 10 können entsprechende Ausnehmungen 15 aufweisen. Zwischen Ausnehmung 15 und Verlängerungsabschnitt 14 der Auflagefläche 13 können Dichtungsmittel vorgesehen werden.The doctor blades, not shown, are placed on the support surfaces 13 of the chambered doctor blade body 3 and fixed there in a suitable manner. Around However, to avoid that the connecting seam 18 between end piece 2 and chamber doctor blade body 3 crosses this bearing surface (as in the Figures 1 and 2 is shown) and thus leads to leaks, it is according to the FIGS. 3 and 4 provided to form the bearing surfaces 13 extended relative to the chambered doctor blade body by means of extension sections 14, so that they extend to the sealing body 9. In this way it is possible that the doctor blade on a continuous and flat support surface 13 can be placed. The webs 10 may have corresponding recesses 15. Between recess 15 and extension portion 14 of the support surface 13 sealing means can be provided.

Die Rakelmesser werden durch nicht näher beschriebene Befestigungsmittel auf den Auflageflächen 13 fixiert. Diese Befestigungsmittel umfassen Klemmschienen, mit welchen die Rakelmesser auf die Auflageflächen 13 gedrückt werden und Wellen, welche in die längs verlaufenden Vertiefungen 16 einlegbar sind. In anderen Ausführungsformen von Farbkammerrakeln können die Klemmschienen auch längs verlaufende Stege umfassen, welche die Vertiefungen 16 greifen können. Unabhängig davon, wie die Befestigungsmittel ausgeführt sind, ist vorgesehen, dass sich die Vertiefungen 16 als Vertiefungen 17 in dem Endstück fortsetzen. Generell ist es vorteilhaft, wenn die Querschnittskontur von Kammerrakelkörper 3 und Endstück 2 im Wesentlichen deckungsgleich ist.The doctor blades are fixed by means not described in more detail on the support surfaces 13. These fastening means comprise clamping rails, with which the doctor blades are pressed onto the support surfaces 13 and waves, which are inserted into the longitudinal recesses 16. In other embodiments of Farbkammerrakeln the clamping rails may also include longitudinal webs which can grip the recesses 16. Regardless of how the fastening means are designed, it is provided that the depressions 16 continue as depressions 17 in the end piece. In general, it is advantageous if the cross-sectional contour of chamber doctor blade body 3 and end piece 2 is substantially congruent.

In dem Ausführungsbeispiel gemäß Figuren 5 und 6 ist die vorgenannte Deckungsgleichheit der Konturen jedoch nicht gegeben. Vielmehr ist hier vorgesehen, dass Teile der Außenwandungen 19 des Kammerrakelkörpers 3 Bereiche des Endstücks 2 umgreifen. Dies äußert sich beispielsweise dadurch, dass sich Seitenwand 19 in Längsrichtung über die Gegenhaltewand 12 bis in den Bereich der Stege 10 hinein erstreckt. Auch die Innenwandungen des Kammerrakelkörpers 3, welche die Auflageflächen 13 für die Rakelmesser tragen, können entsprechend lang ausgebildet sein und sich bis an den Dichtungskörper 9 heran erstrecken. Dieses hat den besonderen Vorteil, dass sich der rinnenartige Innenraum 8 des Kammerrakelkörpers ebenfalls bis an den Dichtungskörper erstrecken kann, ohne durch eine Verbindungsnaht unterbrochen zu sein. Der Boden des rinnenartigen Innenraums 8 ist in der in der Figur 6 gezeigten Ansicht des genannten Ausführungsbeispiels im Bereich der grabenartigen Vertiefung 5 mit einer Aussparung 24 versehen, die rechteckig geformt sein kann. Am Rand dieser Aussparung 24 kann eine Dichtung 20 vorgesehen sein, die in eine um die grabenartige Vertiefung 5 herum umlaufende Nut des Endstücks 2 eingelegt sein kann und den Kammerrakelkörper 3 gegenüber dem Endstück 2 ausreichend abdichtet. Diese Dichtung 20 ist in der Figur 6 gestrichelt dargestellt und kann sich unterhalb des Dichtungskörpers 9 fortsetzen. In der Figur 5 ist die Dichtung 20 als strichpunktierte Linie dargestellt.In the embodiment according to FIGS. 5 and 6 However, the aforementioned congruence of contours is not given. Rather, it is provided here that parts of the outer walls 19 of the chambered doctor blade body 3 surround portions of the end piece 2. This manifests itself, for example, in that the side wall 19 extends in the longitudinal direction over the counter-holding wall 12 into the area of the webs 10. Also, the inner walls of the chambered doctor blade body 3, which carry the support surfaces 13 for the doctor blade, can be formed correspondingly long and extend to the sealing body 9 zoom. This has the particular advantage that the groove-like interior 8 of the chambered doctor blade body can also extend to the sealing body without passing through a connecting seam to be interrupted. The bottom of the channel-like interior 8 is in the in the FIG. 6 shown view of said embodiment in the region of the trench-like recess 5 is provided with a recess 24 which may be rectangular in shape. At the edge of this recess 24, a seal 20 may be provided, which may be inserted into a groove around the trench-like depression 5 around the end piece 2 and the chambered doctor blade body 3 sufficiently seals against the end piece 2. This seal 20 is in the FIG. 6 shown in dashed lines and can continue below the seal body 9. In the FIG. 5 the seal 20 is shown as a dashed line.

Wie der Figur 5 zu entnehmen ist, kann in einer erfindungsgemäßen Farbkammerrakel 1 das Endstück 2 mit einem Ansatzstück 21 versehen sein, so dass das Endstück 2 in der Seitenansicht als Winkel ausgebildet ist. Diese Ausprägung des Endstücks ist jedoch nicht auf das Ausführungsbeispiel in den Figuren 5 und 6 beschränkt. Dieses Ansatzstück ermöglicht es, das Endstück an der Unterseite des Kammerrakelkörpers 3 mit geeigneten Befestigungsmitteln, beispielsweise einer oder mehreren der gezeigten Schraube 22, zu befestigen. Diese Befestigungsart des Endstücks ist in vielen Druckmaschinen von Vorteil, da sich in Längsrichtung der Farbkammerrakel oft kein ausreichender Montageraum findet.Again FIG. 5 can be seen, the end piece 2 may be provided with an extension piece 21 in a Farbkammerrakel 1 according to the invention, so that the end piece 2 is formed in the side view as an angle. This expression of the tail is not on the embodiment in the FIGS. 5 and 6 limited. This end piece makes it possible to attach the end piece to the underside of the chambered doctor blade body 3 with suitable fastening means, for example one or more of the screw 22 shown. This type of attachment of the tail is advantageous in many printing machines, since in the longitudinal direction of the ink chamber doctor blade is often not sufficient mounting space.

Die Figur 7 zeigt das Ausführungsbeispiel gemäß Figur 6, jedoch mit abgenommenem Endstück 2. Deutlich zu erkennen ist nun das Aussehen des Endbereichs der Farbkammerrakel 1. Vor allem ist nun die Aussparung 24 zu erkennen, die eingebracht ist, damit bei aufgeschobenem Endstück 2 die grabenartige Vertiefung 5 frei liegt. Wie bereits anhand der bereits oben beschriebenen Ausführungsbeispiele der Erfindung erläutert wurde, steht die grabenartige Vertiefung 5 in Verbindung mit der Auslassöffnung 4, so dass durch die grabenartige Vertiefung 5, die Verbindung und die Auslassöffnung Druckfarbe abfließen kann.The FIG. 7 shows the embodiment according to FIG. 6 Clearly recognizable now is the appearance of the end of the ink chamber blade 1. Above all, now the recess 24 can be seen, which is introduced so that when deferred end piece 2, the trench-like depression 5 is exposed. As has already been explained with reference to the exemplary embodiments of the invention already described above, the trench-like depression 5 is in communication with the outlet opening 4, so that ink can flow out through the trench-like depression 5, the connection and the outlet opening.

An dem Endstück 2 ist nun nochmals der Ansatz 21 zu sehen, der unterhalb der Farbkammerrakel 1 angeordnet ist, wenn das Endstück 2 auf dieAt the end piece 2 is now again the approach to see 21, which is arranged below the ink chamber doctor blade 1, when the tail 2 on the

Farbkammerrakel 1 aufgeschoben ist (siehe auch Figur 5). In dem Ansatz 21 sind Durchgangslöcher 26 angeordnet, durch die Schrauben 22 hindurch greifen können, um das Endstück 2 an der Farbkammerrakel zu befestigen. Auf der rechten Seite des Ansatzes 21 befindet sich eine Erhöhung 25, in die die Vertiefung 5 und auch die Nut, in die die Dichtung 20 eingelegt ist, eingebracht sind. Die Dichtung 20 ist als Linie dargestellt, die teils durchgezogen und teils unterbrochen ist. Der als unterbrochene Linie dargestellte Teil ist durch die Dichtung 9 abgedeckt. Der als durchgezogene Linie dargestellte Teil hingegen ist bei aufgeschobenem Endstück 2 durch die Ränder des rinnenartigen Hauptraums des Kammerrakelkörpers abgedeckt und daher in der Darstellung der Figur 7 nicht abgedeckt und somit sichtbar.Farbkammerrakel 1 is pushed (see also FIG. 5 ). In the lug 21 through holes 26 are arranged through which screws 22 can reach through to secure the end piece 2 to the paint chamber doctor blade. On the right side of the projection 21 is an elevation 25, in which the recess 5 and also the groove, in which the seal 20 is inserted, are introduced. The seal 20 is shown as a line which is partly solid and partly interrupted. The part shown as a broken line is covered by the seal 9. The part shown as a solid line, however, is covered with deferred end piece 2 by the edges of the trough-like main chamber of the chambered doctor blade body and therefore in the illustration of FIG. 7 not covered and thus visible.

Alle Figuren zeigen je ein Ende einer Farbkammerrakel 1. Es versteht sich, dass beide Enden einer Farbkammerrakel 1 mit den beschriebenen Endstücken 2 versehen werden können. Bezugszeichenliste 1 Farbkammerrakel 2 Endstück 3 Kammerrakelkörper 4 Auslassöffnung 4 5 grabenartige Vertiefung 6 Nebenraum 7 Wandung 8 rinnenartiger Hauptraum des Kammerrakelkörpers 9 Dichtungskörper 10 Steg 11 Halteplatte 12 Gegenhaltewand 13 Auflageflächen 14 Verlängerungsabschnitt 15 Ausnehmung 16 Vertiefung 17 Vertiefung 18 Verbindungsnaht 19 Außenwandung des Kammerrakelkörpers 20 Dichtung 21 Ansatzstück 22 Schraube 23 Aushöhlung 24 Aussparung 25 Erhöhung 26 Durchgangslöcher Each of the figures shows one end of a paint chamber doctor blade 1. It is understood that both ends of a ink chamber doctor blade 1 can be provided with the end pieces 2 described. LIST OF REFERENCE NUMBERS 1 Ink chamber doctor blade 2 tail 3 Chambered doctor blade body 4 Outlet opening 4 5 trench-like depression 6 Outbuildings 7 wall 8th groove-like main room of the chambered doctor blade body 9 seal body 10 web 11 Retaining plate 12 Against retaining wall 13 support surfaces 14 extension section 15 recess 16 deepening 17 deepening 18 seam 19 Outer wall of the chambered doctor blade body 20 poetry 21 extension 22 screw 23 erosion 24 recess 25 increase 26 Through holes

Claims (12)

  1. Inking chamber (1) for an inking unit of a rotary printing press, which comprises at least the following elements:
    - an ink transfer roll which rotates about an axis during operation,
    - an elongate doctor-chamber body (3) which extends in the direction of this axis and comprises a channel-like recess,
    - two doctor blades which can be fixed to the doctor-chamber body and can be set against the ink transfer roll,
    - two sealing bodies (9) which are arranged in the end regions of the doctor-chamber body and which can have their sealing faces set against the ink transfer roll,
    - an ink feed line, via which printing ink can be fed to the channel-like recess,
    - two ink outlets, via which printing ink can be discharged from the channel-like recess, in each case one ink outlet being arranged in an end region of the channel-like recess,
    - two end pieces (2) being provided, into which the channel-like recess continues,
    - the ink outlets being arranged in the end pieces, and
    - it being possible for the end pieces to be fastened releasably to the end regions of the doctor-chamber body,
    characterized in that at least one intermediate wall (7) which divides the channel-like recess into a main chamber (8) and an auxiliary chamber (6) is arranged on or in each end piece.
  2. Inking chamber according to Claim 1, characterized in that the sealing bodies are arranged on or in the end pieces.
  3. Inking chamber according to one of the preceding claims, characterized in that the end pieces are of angled configuration and are connected to the doctor-chamber body on that side of the latter which faces away from the ink transfer roll.
  4. Inking chamber according to one of the preceding claims, characterized in that the end pieces are composed substantially of plastic, preferably of polypropylene.
  5. Inking chamber according to one of the preceding claims, characterized in that the end pieces can be produced by means of an injection-moulding process.
  6. Inking chamber according to one of the preceding claims, characterized in that at least one of the end pieces is provided with at least one connector of a hose coupling system.
  7. Inking chamber according to the preceding claim, characterized in that the end piece and the connector are configured in one piece.
  8. Method for producing an inking-chamber doctor for an inking unit of a rotary printing press, which comprises at least the following features:
    - provision of an elongate doctor-chamber body (3) which comprises a channel-like recess,
    - provision of two doctor blades which can be fixed to the doctor-chamber body and which can be set against an ink transfer roll,
    - arrangement of two sealing bodies (9) in the end regions of the doctor-chamber body, which two sealing bodies (9) can have their sealing faces set against the ink transfer roll,
    - production of an ink feed line, via which printing ink is fed to the channel-like recess,
    - production of two ink outlets, via which printing ink is discharged from the channel-like recess, in each case one ink outlet being arranged in an end region of the channel-like recess,
    at least in each case one ink outlet being introduced into in each case one end piece, the end pieces being fastened releasably to the end regions of the doctor-chamber body, characterized in that at least one intermediate wall (7) which divides the channel-like recess into a main chamber (8) and an auxiliary chamber (6) is arranged on or in each end piece.
  9. Method according to the preceding claim, characterized in that the end pieces are produced from plastic.
  10. Method according to one of the two preceding claims, characterized in that the end pieces are injection-moulded.
  11. Method according to the preceding claim, characterized in that the end pieces are provided with connectors of a hose coupling system.
  12. Method according to the preceding claim, characterized in that an end piece and the connector are produced in one piece.
EP08774063A 2007-06-11 2008-06-11 Ink chamber for an inking system of a rotary printing machine and method for the production of such an ink chamber Not-in-force EP2158085B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007027385A DE102007027385B4 (en) 2007-06-11 2007-06-11 Ink chamber for an inking unit of a rotary printing press and method for producing such a ink chamber
PCT/EP2008/057262 WO2008152049A1 (en) 2007-06-11 2008-06-11 Ink chamber for an inking system of a rotary printing machine and method for the production of such an ink chamber

Publications (2)

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EP2158085A1 EP2158085A1 (en) 2010-03-03
EP2158085B1 true EP2158085B1 (en) 2010-08-18

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EP08774063A Not-in-force EP2158085B1 (en) 2007-06-11 2008-06-11 Ink chamber for an inking system of a rotary printing machine and method for the production of such an ink chamber

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EP (1) EP2158085B1 (en)
AT (1) ATE477929T1 (en)
DE (2) DE102007027385B4 (en)
ES (1) ES2350813T3 (en)
WO (1) WO2008152049A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009013643U1 (en) 2009-10-26 2011-03-17 Zeljko, Kitic sealing element
DE102018129093A1 (en) * 2018-11-19 2020-05-20 Windmöller & Hölscher Kg Drain box for a doctor chamber

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821672A (en) * 1987-06-22 1989-04-18 Nick Bruno Doctor blade assembly with rotary end seals and interchangeable heads
US5085144A (en) * 1990-05-03 1992-02-04 Motter Printing Press Co. Ink fountain apparatus
SE470283B (en) * 1992-05-22 1994-01-10 Aake Boeoese Chamber rotor device for printing and printing plants
US5410961A (en) * 1992-12-30 1995-05-02 Fit Group, Inc. Fountain assembly
DE4401365A1 (en) * 1994-01-18 1995-07-20 Roland Man Druckmasch Device for coloring an anilox roller
DE19516223C2 (en) 1995-05-03 1997-03-20 Windmoeller & Hoelscher Doctor device for a rinsing inking unit of a rotary printing machine
DE19734910A1 (en) 1997-08-12 1999-02-18 Windmoeller & Hoelscher Doctor device for a rinsing inking unit of a rotary printing machine
DE10150488B4 (en) 2001-10-16 2005-08-04 Windmöller & Hölscher Kg Front seal of the doctor chamber
JP2005088586A (en) * 2003-09-12 2005-04-07 Metronic Ag Ink well
SE527080C2 (en) * 2004-05-05 2005-12-20 Akeboose Internat Ab Device and method of chamber ratchet

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DE102007027385A1 (en) 2009-02-12
DE502008001177D1 (en) 2010-09-30
ES2350813T3 (en) 2011-01-27
DE102007027385B4 (en) 2011-06-16
WO2008152049A1 (en) 2008-12-18
EP2158085A1 (en) 2010-03-03
ATE477929T1 (en) 2010-09-15

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