EP1984183A2 - Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth - Google Patents

Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth

Info

Publication number
EP1984183A2
EP1984183A2 EP07711449A EP07711449A EP1984183A2 EP 1984183 A2 EP1984183 A2 EP 1984183A2 EP 07711449 A EP07711449 A EP 07711449A EP 07711449 A EP07711449 A EP 07711449A EP 1984183 A2 EP1984183 A2 EP 1984183A2
Authority
EP
European Patent Office
Prior art keywords
pressure bar
cleaning cloth
cleaning
bar
springs
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.)
Granted
Application number
EP07711449A
Other languages
German (de)
French (fr)
Other versions
EP1984183B1 (en
Inventor
Hary Kosciesza
Garrido Rodriguez Maria
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.)
Technotrans SE
Original Assignee
Technotrans SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Technotrans SE filed Critical Technotrans SE
Publication of EP1984183A2 publication Critical patent/EP1984183A2/en
Application granted granted Critical
Publication of EP1984183B1 publication Critical patent/EP1984183B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/006Cleaning arrangements or devices for impression cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/02Cleaning arrangements or devices for forme cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/06Cleaning arrangements or devices for offset cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00Cleaning
    • B41P2235/10Cleaning characterised by the methods or devices
    • B41P2235/20Wiping devices
    • B41P2235/24Wiping devices using rolls of cleaning cloth
    • B41P2235/246Pressing the cleaning cloth against the cylinder

Definitions

  • the invention relates to a device for cleaning surfaces of printing cylinders by means of a cleaning cloth, which is transported from a supply roll on a AnprejSrau to a collecting shaft for dirty cleaning cloth, and with a Anstell annoying for advancing and retracting the AnpreJ31eiste with respect to the impression cylinder, for the feed a drive located behind the pressure bar is provided.
  • a device of this type is known from DE 297 07 975 Ul. Cylinders of printing presses, for example the blanket cylinder of offset printing presses are inevitably exposed to some contamination. This results from paint residues, dust, residues of operating materials, etc. It is therefore customary to clean pressure cylinders from time to time.
  • cleaning units that pull a cleaning cloth, possibly with the aid of cleaning agents, over the surface of the cylinder.
  • the cloth is dispensed from a supply roll and wound up on a collecting shaft for dirty cleaning cloth. Between the supply roll and the collecting shaft is a pressure bar which presses the cleaning cloth against the surface of the cylinder.
  • the pressure bar Since the pressure bar is needed only from time to time, it is usually advanceable and retractable by means of a suitable mechanism. To advance the pressure bar, it is known from the document mentioned above, to arrange an inflatable air hose along the AnpreJ31eiste behind this, which occupies an increasingly larger volume in the inflated state and advances the pressure bar. There are also other drives into consideration. Further details of construction does not contain the mentioned document. In particular, it is not said how the pressure bar should be withdrawn when it is not needed. Draining air from the hose will be necessary for this purpose, but may not be sufficient.
  • the invention has for its object to provide a device of the type mentioned above with a particularly compact Anprej31eiste with integrated return mechanism.
  • the device according to the invention is characterized in that the Anprej31eiste is guided displaceably within a substantially U-shaped beam profile in which at least one of the pressure bar in the return direction biasing spring is supported.
  • the Anpre_ßance together with the associated beam profile and the integrated return device thus forms a compact overall unit, which is usually accommodate even in confined spaces within a printing press.
  • the expandable hose used as an advantageous embodiment for the feed drive for the pressure bar also allows a particularly compact construction.
  • air pressure is suitable for expanding the hose, but it would also be possible to work with another gas or a hydraulic medium.
  • a compression spring within the U-shaped beam profile projections are preferably provided on the inner walls of this profile, which allow attacking the spring.
  • a number of apertures directed transversely to the applicator strip are preferably provided therein, into which are inserted supporting strips whose two outer ends are supported on projections on the inner wall surface of the beam profile.
  • the pressure bar preferably consists, as is known, of a core of metal with a working surface of rubber or an elastomeric plastic intended for the detection of the cleaning cloth.
  • Fig. 1 is a partial perspective view of a contact strip according to the invention with associated beam profile
  • FIG. 2 is a cross-section through the contact bar with the beam profile in the position of the control bar retracted from the printing cylinder;
  • Fig. 3 is a corresponding sectional view, but refers to the advanced position of the Anprej31eiste.
  • the circumference of a printing cylinder, for the cleaning of the pressure bar is provided, has been designated 14.
  • a continuous groove 16 At the bottom of the beam profile 12 there is a continuous groove 16 in which a hose 18 is located.
  • this hose can be widened by introducing a suitable medium, in particular by introducing compressed air.
  • the hose 18 exerts pressure on a lower bar 20 at the bottom of the pressure bar, which is designated 20.
  • the strip 20 has on its underside a groove 22 which extends over the length of the strip and the tube 18 receives.
  • the pressure bar 10 is made entirely of metal and has on the right side in Fig. 2 and 3 lying side, which faces the pressure cylinder 14, a rubber strip 24, which must be not only made of rubber in the true sense, but also suitable Plastics, especially elastomeric plastics, can be produced.
  • the rubber strip 24 is an extruded profile. It has, as the cross-section shown in Fig. 2 and 3 reveals, a C-shaped main part, which is shown in Figs. 2 and 3, however, in a reverse orientation. Within the C-shaped arc, support legs 26, 28, 30, 32 extend to the core 34 made of metal.
  • the C-shaped bend of the rubber strip 24 has extensions 36, 38 at both ends, which engage in corresponding grooves of the core 34 the pressure bar 10 can be inserted in the longitudinal direction.
  • the core 34 of the contact strip 10 has spaced, transverse to the longitudinal direction openings 40,42 in which support strips 44,46 lie.
  • the support strips 44,46 are in Fig. 1, 2 and 3 in a vertical orientation and thus parallel to the plane of the drawing.
  • the support strips 44,46 are based, as shown in FIGS. 2 and 3 can be seen in the interior of the beam profile 12 at protruding from the walls projections 48,50 from. These projections 48, 50 are designed as continuous strips on the inner walls of the beam profile 12.
  • the support strips 44,46 are based on the inside of the projections 48,50, as can be seen in Fig. 2 and 3.
  • the support strips 44,46 serve to support a helical compression spring 52, which is supported at its other end at the bottom of a bore 54 which is located in the bottom of AnspreJ31eiste 10 on the hose 18 side facing.
  • the support strips 44,46 emerge on both opposite sides from the cross-sectional area of the contact strip 10, this is done within groove-like recesses 56,58 which extend on both opposite sides of the AnpreJ31eiste 10 in the longitudinal direction.
  • the projections 48, 50 also lie on the inner wall surfaces of the beam profile 12. In this way, the pressure bar 10 can be displaced over a limited path within the beam profile 12 and in this way be turned on the pressure cylinder 14 and be withdrawn from this.
  • the support strips which are supported on the projection 48,50, in turn form an abutment for the helical compression springs 52, which endeavor to push back the Anpressance 10 from the advanced position.
  • the lateral flanks of the groove-like depressions 56, 58 in cooperation with the lateral flanks of the rib-shaped projections 48, 50 correspond to corresponding pairs of stops.
  • the positions of the threaded holes 60 correspond to the positions of the helical compression springs 52.
  • a threaded head is indicated, which is designated 62.
  • a shaft 64 extends coaxially to the left. This shaft 64 penetrates the support strips 44, 46, which are located in each case between the threaded head and the helical compression spring 52, in holes which are not designated.
  • On the screw compression springs facing side of the shaft 64 serves as a guide for the helical compression spring.
  • the outer diameter of the shaft 64 substantially corresponds to the inner diameter of the helical compression spring 52.
  • FIG. 2 shows the pressure bar in the retracted position or rest position.
  • the tube 18 is largely relaxed. Due to the action of the helical compression springs 52, which are supported on the support strips 44, 46, the part of the attachment strip facing the hose side is acted upon by the springs and the contact strip is moved to the left in FIGS. 2 and 3, ie in the rest position.
  • the hose 18 is inflated, that is to say filled with a pneumatic or hydraulic medium, it displaces the pressing bar to the right in FIGS. 2 and 3 until it rests against the pressure cylinder 14 while the helical compression spring 52 is compressed.
  • the shaft 64 also serves to guide the support strips 46,48, which could otherwise fall out of the openings 40,42. By the rotation of the threaded head 62, its axial position can be adjusted.
  • This position also affects the minimum distance between the support strip 46 (FIGS. 2 and 3) and the core 43 of the contact strip 10, as shown in FIG. This in turn has an influence on the action of the helical compression spring 52.

Landscapes

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

Abstract

Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth which is transported from a supply roll via a pressure bar (10) to a collecting shaft for contaminated cleaning cloth, and having a setting device (18, 52, 46) for advancing and retracting the pressure bar (10) in relation to the impression cylinder (14), for the advance of which a drive is provided which lies behind the pressure bar (10), characterized in that the pressure bar (10) is guided displaceably within a substantially U-shaped bar profile (12), in which at least one spring is supported which prestresses the pressure bar in the retracting direction.

Description

VORRICHTUNG ZUR REINIGUNG VON OBERFLÄCHEN VON DRUCKZYLIN¬ DEVICE FOR CLEANING SURFACES OF DRUCKZYLIN¬
DERN MITHILFE EINES REINIGUNGSTUCHESDERN WITH THE HELP OF A CLEANING CLOTH
Die Erfindung betrifft eine Vorrichtung zur Reinigung von Oberflächen von Druckzylindern mithilfe eines Reinigungstuches, das von einer Vorratsrolle über eine AnprejSleiste zu einer Sammelwelle für verschmutztes Reinigungstuch transportiert wird, und mit einer Anstelleinrichtung zum Vorschieben und Zurückziehen der AnpreJ31eiste in bezug auf den Druckzylinder, für deren Vorschub ein hinter der Anpreßleiste liegender Antrieb vorgesehen ist.The invention relates to a device for cleaning surfaces of printing cylinders by means of a cleaning cloth, which is transported from a supply roll on a AnprejSleiste to a collecting shaft for dirty cleaning cloth, and with a Anstelleinrichtung for advancing and retracting the AnpreJ31eiste with respect to the impression cylinder, for the feed a drive located behind the pressure bar is provided.
Eine Vorrichtung dieser Art ist aus der DE 297 07 975 Ul bekannt. Zylinder von Druckmaschinen, beispielsweise der Gummizylinder von Offset-Druckmaschinen sind unvermeidlich einer gewissen Verschmutzung ausgesetzt. Diese ergibt sich durch Farbreste, Staub, Reste von Betriebsstoffen usw.. Es ist da- her üblich, Druckzylinder von Zeit zu Zeit zu reinigen.A device of this type is known from DE 297 07 975 Ul. Cylinders of printing presses, for example the blanket cylinder of offset printing presses are inevitably exposed to some contamination. This results from paint residues, dust, residues of operating materials, etc. It is therefore customary to clean pressure cylinders from time to time.
Zu diesem Zweck gibt es Reinigungseinheiten, die ein Reinigungstuch, gegebenenfalls unter Zuhilfenahme von Reinigungsmitteln, über die Oberfläche des Zylinders ziehen. Das Tuch wird dabei von einer Vorratsrolle abgegeben und auf eine Sammelwelle für verschmutztes Reinigungstuch aufgewickelt. Zwischen der Vorratsrolle und der Sammelwelle befindet sich eine Anpreßleiste, die das Reinigungstuch gegen die Oberfläche des Zylinders drückt.For this purpose, there are cleaning units that pull a cleaning cloth, possibly with the aid of cleaning agents, over the surface of the cylinder. The cloth is dispensed from a supply roll and wound up on a collecting shaft for dirty cleaning cloth. Between the supply roll and the collecting shaft is a pressure bar which presses the cleaning cloth against the surface of the cylinder.
Da die Anpreßleiste nur von Zeit zu Zeit benötigt wird, ist sie üblicherweise mithilfe eines geeigneten Mechanismus vorschiebbar und zurückziehbar. Zum Vorschieben der Anpreßleiste ist es aus der eingangs genannten Schrift bekannt, einen aufblasbaren Luftschlauch entlang der AnpreJ31eiste hinter dieser anzuordnen, der im aufgeblasenen Zustand ein zunehmend größeres Volumen einnimmt und die Anpreßleiste vorschiebt. Es kommen auch andere Antriebe in Betracht. Nähere konstruktive Einzelheiten enthält die genannte Druckschrift nicht. Insbesondere wird nicht gesagt, wie die Anpreßleiste zurückgezogen werden soll, wenn sie nicht benötigt wird. Das Ablassen der Luft aus dem Schlauch wird zu diesem Zweck zwar notwendig, aber möglicherweise nicht ausreichend sein. Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art mit einer besonders kompakten Anprej31eiste mit integriertem Rückholmechanismus zu schaffen.Since the pressure bar is needed only from time to time, it is usually advanceable and retractable by means of a suitable mechanism. To advance the pressure bar, it is known from the document mentioned above, to arrange an inflatable air hose along the AnpreJ31eiste behind this, which occupies an increasingly larger volume in the inflated state and advances the pressure bar. There are also other drives into consideration. Further details of construction does not contain the mentioned document. In particular, it is not said how the pressure bar should be withdrawn when it is not needed. Draining air from the hose will be necessary for this purpose, but may not be sufficient. The invention has for its object to provide a device of the type mentioned above with a particularly compact Anprej31eiste with integrated return mechanism.
Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung dadurch gekennzeichnet, dass die Anprej31eiste innerhalb eines im wesentlichen U-förmi- gen Balkenprofils verschiebbar geführt ist, in dem sich wenigstens eine die Anpreßleiste in Rückzugsrichtung vorspannende Feder abstützt.To achieve this object, the device according to the invention is characterized in that the Anprej31eiste is guided displaceably within a substantially U-shaped beam profile in which at least one of the pressure bar in the return direction biasing spring is supported.
Die Anpre_ßleiste zusammen mit dem zugehörigen Balkenprofil und der integrierten Rückholeinrichtung bildet somit eine kompakte Gesamteinheit, die auch bei beengten Platzverhältnissen innerhalb einer Druckmaschine in der Regel unterzubringen ist.The Anpre_ßleiste together with the associated beam profile and the integrated return device thus forms a compact overall unit, which is usually accommodate even in confined spaces within a printing press.
Der als vorteilhaftes Ausführungsbeispiel für den Vorschubantrieb für die An- preßleiste verwendete, expandierbare Schlauch gestattet ebenfalls eine besonders kompakte Bauweise. Zum Expandieren des Schlauchs ist insbesondere Luftdruck geeignet, jedoch könnte auch mit einem anderen Gas oder einem Hydraulikmedium gearbeitet werden.The expandable hose used as an advantageous embodiment for the feed drive for the pressure bar also allows a particularly compact construction. In particular, air pressure is suitable for expanding the hose, but it would also be possible to work with another gas or a hydraulic medium.
Zum Abstützen der Rückholfeder, bevorzugt einer Druckfeder, innerhalb des U-förmigen Balkenprofils sind vorzugsweise an den Innenwänden dieses Profils Vorsprünge vorgesehen, die ein Angreifen der Feder ermöglichen. Entsprechend einer Ausführungsform ist vorzugsweise eine Anzahl von quer zur An- preJ31eiste gerichteten Durchbrüchen in dieser vorgesehen, in die Stützleisten eingefügt sind, deren beiden äuJ3eren Enden sich an Vorsprüngen an der inneren Wandfläche des Balkenprofils abstützen.To support the return spring, preferably a compression spring, within the U-shaped beam profile projections are preferably provided on the inner walls of this profile, which allow attacking the spring. According to one embodiment, a number of apertures directed transversely to the applicator strip are preferably provided therein, into which are inserted supporting strips whose two outer ends are supported on projections on the inner wall surface of the beam profile.
Die Anpreßleiste besteht vorzugsweise, wie an sich bekannt, aus einem Kern aus Metall mit einer für die Erfassung des Reinigungstuchs vorgesehenen Arbeitsfläche aus Gummi oder einem elastomeren Kunststoff. Im folgenden werden bevorzugte Ausführungsbeispiele der Erfindung anhand der beigefügten Zeichnung näher erläutert.The pressure bar preferably consists, as is known, of a core of metal with a working surface of rubber or an elastomeric plastic intended for the detection of the cleaning cloth. In the following preferred embodiments of the invention will be described with reference to the accompanying drawings.
Fig. 1 ist eine perspektivische Teildarstellung einer erfindungsgemäßen Anpreßleiste mit zugehörigem Balkenprofil;Fig. 1 is a partial perspective view of a contact strip according to the invention with associated beam profile;
Fig. 2 ist ein Querschnitt durch die AnpreJ31eiste mit dem Balkenprofil in der von dem Druckzylinder zurückgezogenen Stel- lung der AnpreJ31eiste;FIG. 2 is a cross-section through the contact bar with the beam profile in the position of the control bar retracted from the printing cylinder; FIG.
Fig. 3 ist eine entsprechende Schnittdarstellung, bezieht sich jedoch auf die vorgerückte Stellung der Anprej31eiste.Fig. 3 is a corresponding sectional view, but refers to the advanced position of the Anprej31eiste.
Anschließend soll eine Ausführungsform der Erfindung unter Bezugnahme auf die Fig. 1 bis 3 erläutert werden.Subsequently, an embodiment of the invention will be explained with reference to Figs. 1 to 3.
In der Zeichnung ist eine Anpreßleiste mit 10 und ein im Querschnitt U-för- miges Balkenprofil, das die Anpreßleiste 10 aufnimmt, mit 12 bezeichnet. In Fig. 2 und 3 ist der Umfang eines Druckzylinders, zu dessen Reinigung die Anpreßleiste vorgesehen ist, mit 14 bezeichnet worden. Am Grund des Balkenprofils 12 befinden sich eine durchlaufende Nut 16, in der ein Schlauch 18 liegt. Dieser Schlauch kann, wie ein Vergleich von Fig. 2 und 3 zeigt, durch Einleiten eines geeigneten Mediums, insbesondere durch Einleiten von Druckluft erweitert werden. In der expandierten Stellung übt der Schlauch 18 Druck aus auf eine untere Leiste 20 an der Unterseite der Anpreßleiste, die mit 20 bezeichnet ist. Die Leiste 20 weist an ihrer Unterseite eine Auskehlung 22 auf, die sich über die Länge der Leiste erstreckt und den Schlauch 18 auf- nimmt.In the drawing, a pressure bar with 10 and a cross-sectionally U-shaped beam profile, which receives the pressure bar 10, 12. In Fig. 2 and 3, the circumference of a printing cylinder, for the cleaning of the pressure bar is provided, has been designated 14. At the bottom of the beam profile 12 there is a continuous groove 16 in which a hose 18 is located. As shown by a comparison of FIGS. 2 and 3, this hose can be widened by introducing a suitable medium, in particular by introducing compressed air. In the expanded position, the hose 18 exerts pressure on a lower bar 20 at the bottom of the pressure bar, which is designated 20. The strip 20 has on its underside a groove 22 which extends over the length of the strip and the tube 18 receives.
Die Anpreßleiste 10 besteht insgesamt aus Metall und besitzt auf der nach rechts in Fig. 2 und 3 liegenden Seite, die dem Druckzylinder 14 zugewandt ist, eine Gummileiste 24, die nicht nur aus Gummi im eigentlichen Sinne be- stehen muß, sondern auch aus geeigneten Kunststoffen, insbesondere elasto- meren Kunststoffen, hergestellt sein kann. Die Gummileiste 24 ist ein Strangprofil. Sie weist, wie der in Fig. 2 und 3 gezeigte Querschnitt erkennen läßt, einen C-förmigen Hauptteil auf, der in Fig. 2 und 3 allerdings in umgekehrter Orientierung gezeigt ist. Innerhalb des C- förmigen Bogens verlaufen Stützfüße 26,28,30,32 zu dem aus Metall beste- henden Kern 34. Der C-förmige Bogen der Gummileiste 24 weist an beiden Enden Erweiterungen 36,38 auf, die in entsprechende Nuten des Kerns 34 der Anpreßleiste 10 in Längsrichtung eingeschoben werden können.The pressure bar 10 is made entirely of metal and has on the right side in Fig. 2 and 3 lying side, which faces the pressure cylinder 14, a rubber strip 24, which must be not only made of rubber in the true sense, but also suitable Plastics, especially elastomeric plastics, can be produced. The rubber strip 24 is an extruded profile. It has, as the cross-section shown in Fig. 2 and 3 reveals, a C-shaped main part, which is shown in Figs. 2 and 3, however, in a reverse orientation. Within the C-shaped arc, support legs 26, 28, 30, 32 extend to the core 34 made of metal. The C-shaped bend of the rubber strip 24 has extensions 36, 38 at both ends, which engage in corresponding grooves of the core 34 the pressure bar 10 can be inserted in the longitudinal direction.
Der Kern 34 der Anpreßleiste 10 weist in Abständen liegende, quer zur Längsrichtung gerichtete Durchbrechungen 40,42 auf, in denen Stützleisten 44,46 liegen. Die Stützleisten 44,46 befinden sich in Fig. 1 , 2 und 3 in senkrechter Orientierung und damit parallel zur Zeichenebene. Die Stützleisten 44,46 stützen sich, wie Fig. 2 und 3 erkennen lassen, im Inneren des Balkenprofils 12 an von dessen Wänden vorspringenden Vorsprüngen 48,50 ab. Die- se Vorsprünge 48,50 sind als durchlaufende Leisten an den Innenwänden des Balkenprofils 12 ausgebildet.The core 34 of the contact strip 10 has spaced, transverse to the longitudinal direction openings 40,42 in which support strips 44,46 lie. The support strips 44,46 are in Fig. 1, 2 and 3 in a vertical orientation and thus parallel to the plane of the drawing. The support strips 44,46 are based, as shown in FIGS. 2 and 3 can be seen in the interior of the beam profile 12 at protruding from the walls projections 48,50 from. These projections 48, 50 are designed as continuous strips on the inner walls of the beam profile 12.
Zur Vermeidung von Missverständnissen soll hier ergänzend darauf hingewiesen werden, dass die untere Leiste 20, die sich an dem Schlauch 18 abstützt, ein Teil der Anpreßleiste 10 bildet. Die Anpreßleiste in ihrer Gesamtheit wird von den Durchbrechungen 40,42 durchlaufen, in denen sich die Stützleisten 44,46 befinden. Dies ist in Fig. 1 besser zu erkennen als in Fig. 2 und 3.To avoid misunderstandings, it should additionally be pointed out here that the lower strip 20, which is supported on the hose 18, forms part of the contact strip 10. The pressure bar in its entirety is traversed by the openings 40,42 in which the support strips 44,46 are located. This can be seen better in FIG. 1 than in FIGS. 2 and 3.
Die Stützleisten 44,46 stützen sich von innen an den Vorsprüngen 48,50 ab, wie in Fig. 2 und 3 zu erkennen ist.The support strips 44,46 are based on the inside of the projections 48,50, as can be seen in Fig. 2 and 3.
Die Stützleisten 44,46 dienen zur Abstützung einer Schraubendruckfeder 52, die sich an ihrem anderen Ende am Boden einer Bohrung 54 abstützt, die sich im Boden der AnspreJ31eiste 10 auf der dem Schlauch 18 zugewandten Seite befindet.The support strips 44,46 serve to support a helical compression spring 52, which is supported at its other end at the bottom of a bore 54 which is located in the bottom of AnspreJ31eiste 10 on the hose 18 side facing.
Die Stützleisten 44,46 treten zwar auf beiden gegenüberliegenden Seiten aus der Querschnittsfläche der Anpreßleiste 10 aus, jedoch geschieht dies innerhalb von nutartigen Vertiefungen 56,58, die sich auf beiden gegenüberliegen- den Seiten der AnpreJ31eiste 10 in deren Längsrichtung erstrecken. Innerhalb dieser Vertiefungen 56,58 liegen auch die Vorsprünge 48,50 an den inneren Wandflächen des Balkenprofils 12. Auf diese Weise kann die Anpreß- leiste 10 über einen begrenzten Weg innerhalb des Balkenprofils 12 verschoben werden und auf diese Weise an den Druckzylinder 14 angestellt und von diesem zurückgezogen werden.Although the support strips 44,46 emerge on both opposite sides from the cross-sectional area of the contact strip 10, this is done within groove-like recesses 56,58 which extend on both opposite sides of the AnpreJ31eiste 10 in the longitudinal direction. Within these recesses 56, 58, the projections 48, 50 also lie on the inner wall surfaces of the beam profile 12. In this way, the pressure bar 10 can be displaced over a limited path within the beam profile 12 and in this way be turned on the pressure cylinder 14 and be withdrawn from this.
Die Stützleisten, die sich an den Vorsprung 48,50 abstützen, bilden ihrerseits ein Widerlager für die Schraubendruckfedern 52, die bestrebt sind, die An- preßleiste 10 aus der vorgerückten Stellung zurückzuschieben.The support strips, which are supported on the projection 48,50, in turn form an abutment for the helical compression springs 52, which endeavor to push back the Anpressleiste 10 from the advanced position.
Bei dieser Verschiebebewegung der Anpreßleiste bilden die seitlichen Flanken der nutartigen Vertiefungen 56,58 im Zusammenwirken mit den seitlichen Flanken der rippenförmigen Vorsprünge 48,50 korrespondierende Anschlagpaare.In this sliding movement of the contact strip, the lateral flanks of the groove-like depressions 56, 58 in cooperation with the lateral flanks of the rib-shaped projections 48, 50 correspond to corresponding pairs of stops.
In dem rechts in allen Zeichnungen liegenden Teil der Anpreßleiste 10, also demjenigen Teil, der dem Druckzylinder 18 zugewandt ist und der die Gummileiste 24 trägt, befindet sich eine Anzahl von in Abständen über die Länge verteilten Gewindebohrungen 60.In the right in all drawings lying part of the Anpreßleiste 10, so that part which faces the impression cylinder 18 and carries the rubber strip 24, there is a number of spaced at intervals over the length of tapped holes 60th
Die Positionen der Gewindebohrungen 60 entsprechen den Positionen der Schraubendruckfedern 52. In die Gewindebohrungen 60 ist ein Gewindekopf eingeschraubt, der mit 62 bezeichnet ist. Von dem Gewindekopf 62 geht koaxial nach links ein Schaft 64 aus. Dieser Schaft 64 durchdringt die Stützlei- sten 44,46, die sich jeweils zwischen dem Gewindekopf und der Schraubendruckfeder 52 befinden, in nicht bezeichneten Bohrungen. Auf der den Schraubendruckfedern zugewandten Seite dient der Schaft 64 als Führung für die Schraubendruckfeder. Der Außendurchmesser des Schafts 64 entspricht im wesentlichen dem Innendurchmesser der Schraubendruckfeder 52.The positions of the threaded holes 60 correspond to the positions of the helical compression springs 52. In the threaded holes 60, a threaded head is indicated, which is designated 62. From the threaded head 62, a shaft 64 extends coaxially to the left. This shaft 64 penetrates the support strips 44, 46, which are located in each case between the threaded head and the helical compression spring 52, in holes which are not designated. On the screw compression springs facing side of the shaft 64 serves as a guide for the helical compression spring. The outer diameter of the shaft 64 substantially corresponds to the inner diameter of the helical compression spring 52.
Ein Vergleich von Fig. 2 und 3 läßt die Arbeitsweise der erfindungsgemäßen Vorrichtung erkennen. Fig. 2 zeigt die Anpreßleiste in der zurückgezogenen Stellung oder Ruhestellung. Der Schlauch 18 ist weitgehend entspannt. Durch die Wirkung der Schraubendruckfedern 52, die sich an den Stützleisten 44,46 abstützen, wird das der Schlauchseite zugewandte Teil der An- preJ31eiste von den Federn beaufschlagt und die Anpreßleiste nach links in Fig. 2 und 3, also in die Ruhestellung verschoben.A comparison of Fig. 2 and 3 reveals the operation of the device according to the invention. Fig. 2 shows the pressure bar in the retracted position or rest position. The tube 18 is largely relaxed. Due to the action of the helical compression springs 52, which are supported on the support strips 44, 46, the part of the attachment strip facing the hose side is acted upon by the springs and the contact strip is moved to the left in FIGS. 2 and 3, ie in the rest position.
Wenn andererseits der Schlauch 18 aufgeblasen, das heißt mit einem pneumatischen oder hydraulischen Medium gefüllt wird, verschiebt er die Anpreß- leiste nach rechts in Fig. 2 und 3 bis zur Anlage gegen den Druckzylinder 14, während die Schraubendruckfeder 52 zusammengepreßt wird.On the other hand, if the hose 18 is inflated, that is to say filled with a pneumatic or hydraulic medium, it displaces the pressing bar to the right in FIGS. 2 and 3 until it rests against the pressure cylinder 14 while the helical compression spring 52 is compressed.
Der Schaft 64 dient im übrigen zur Führung der Stützleisten 46,48, die andernfalls aus den Durchbrechungen 40,42 herausfallen könnten. Durch die Drehung des Gewindekopfes 62 läßt sich dessen axiale Position einstellen.The shaft 64 also serves to guide the support strips 46,48, which could otherwise fall out of the openings 40,42. By the rotation of the threaded head 62, its axial position can be adjusted.
Diese Position beeinflußt zugleich den Mindestabstand zwischen der Stützleiste 46 (Fig. 2 und 3) und dem Kern 43 der Anpreßleiste 10, wie es in Fig. 2 gezeigt ist. Dies hat wiederum Einfluß auf die Wirkung der Schraubendruckfeder 52. This position also affects the minimum distance between the support strip 46 (FIGS. 2 and 3) and the core 43 of the contact strip 10, as shown in FIG. This in turn has an influence on the action of the helical compression spring 52.

Claims

PATENTANSPRÜCHE
1. Vorrichtung zur Reinigung von Oberflächen von Druckzylindern mithilfe eines Reinigungstuches, das von einer Vorratsrolle über eine Anpreßleiste ( 10) zu einer Sammelwelle für verschmutztes Reinigungstuch transportiert wird, und mit einer Anstelleinrichtung ( 18,52,46) zum Vorschieben und Zurückziehen der Anpreßleiste (10) in bezug auf den Druckzylinder (14) , für deren Vorschub ein hinter der Anpreßleiste ( 10) liegender Antrieb vorgesehen ist, dadurch gekennzeichnet, dass die Anpreßleiste (10) innerhalb eines im wesentlichen U-förmigen Balkenprofils ( 12) verschiebbar geführt ist, in dem sich wenigstens eine die Anpreßleiste in Rückzugsrichtung vorspannende Feder abstützt.1. An apparatus for cleaning surfaces of printing cylinders using a cleaning cloth, which is transported from a supply roll via a contact strip (10) to a collecting shaft for dirty cleaning cloth, and with a Anstelleinrichtung (18,52,46) for advancing and retracting the contact strip ( 10) with respect to the impression cylinder (14), for the advancement of which a drive located behind the pressure bar (10) is provided, characterized in that the pressure bar (10) is displaceably guided within a substantially U-shaped bar profile (12), in which at least one of the pressure bar in the return direction biasing spring is supported.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass in der AnpreJ31eiste (10) eine Anzahl von quergerichteten Durchbrüchen (40,42) vorgesehen ist, in denen Stützleisten (44,46) zur Abstützung der Federn (52) angeordnet sind, deren andere Enden sich an Vorsprüngen (48,50) an den Innenwänden des Balkenprofils ( 12) abstützen.2. Apparatus according to claim 1, characterized in that in the AnpreJ31eiste (10) a number of transverse openings (40,42) is provided, in which support strips (44,46) for supporting the springs (52) are arranged, the other Ends abut projections (48,50) on the inner walls of the beam profile (12).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Federn (52) Druckfedern sind.3. A device according to claim 2, characterized in that the springs (52) are compression springs.
4. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Anpreßleiste ( 10) einen Kern aus Metall oder Kunststoff aufweist, der auf seiner dem Reinigungstuch zugewandten Seite mit einer Gummileiste (24) überzogen ist.4. Apparatus according to claim 1 or 2, characterized in that the pressure bar (10) has a core made of metal or plastic, which is coated on its side facing the cleaning cloth with a rubber strip (24).
5. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Druckfedern (52) in Bohrungen auf der dem Schlauch ( 18) zuge- wandten Seite Durchbrechungen angeordnet und geführt sind und in entspanntem Zustand aus diesen Bohrungen bis zur Abstützung an den Stützleiten (44,46) hinausragen.5. Device according to one of claims 3 or 4, characterized in that the compression springs (52) in holes on the hose (18) facing the side openings are arranged and guided and in a relaxed state from these holes to the support to the Supporting guide (44,46) protrude.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der An- trieb ein entlang der Anpreßleiste ( 10) verlaufender, aufblasbarer Schlauch6. The device according to claim 5, characterized in that the drive drive along the pressure bar (10) extending, inflatable tube
( 18) ist. (18).
EP07711449A 2006-02-18 2007-02-06 Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth Expired - Fee Related EP1984183B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610007571 DE102006007571B4 (en) 2006-02-18 2006-02-18 Device for cleaning surfaces of printing cylinders using a cleaning cloth
PCT/EP2007/001012 WO2007093306A2 (en) 2006-02-18 2007-02-06 Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth

Publications (2)

Publication Number Publication Date
EP1984183A2 true EP1984183A2 (en) 2008-10-29
EP1984183B1 EP1984183B1 (en) 2009-05-06

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ID=38319668

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EP07711449A Expired - Fee Related EP1984183B1 (en) 2006-02-18 2007-02-06 Apparatus for cleaning surfaces of impression cylinders with the aid of a cleaning cloth

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EP (1) EP1984183B1 (en)
CN (1) CN101384437B (en)
DE (2) DE102006007571B4 (en)
WO (1) WO2007093306A2 (en)

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Publication number Priority date Publication date Assignee Title
DE102007054941A1 (en) * 2007-11-17 2009-05-20 Baldwin Germany Gmbh Printing machine cleaning device for e.g. plate cylinder of offset printing machine, has pressing head comprising hollow pressure balance body that is completely filled with fluid medium, where fluid medium is provided as water
CN104417045B (en) * 2013-08-20 2017-03-22 北大方正集团有限公司 In-line roller cleaning device
CN104228335B (en) * 2014-08-26 2017-03-29 合肥京东方光电科技有限公司 Cleaning device, cleaning method and print system
DE102019121320A1 (en) * 2019-08-07 2021-02-11 Koenig & Bauer Ag Humidification device of a cleaning device of a printing machine
DE102022127930A1 (en) 2022-10-21 2024-05-02 Koenig & Bauer Ag Actuator for setting an active element to be set in an application unit, removal device with such an actuator and application unit with a removal device

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US5735212A (en) * 1994-08-09 1998-04-07 Baldwin-Japan Ltd. Cylinder cleaning apparatus
DE19515721C2 (en) * 1995-05-03 2000-02-03 Heidelberger Druckmasch Ag Device for cleaning cylinder surfaces in rotary printing machines
DE19611125C2 (en) * 1996-03-21 1999-09-02 Heidelberger Druckmasch Ag Cleaning device on rotary printing machines
KR100489970B1 (en) * 1996-06-27 2005-08-30 발드윈-저팬 리미티드 Cylinder Cleaning Device
DE29707975U1 (en) * 1997-05-02 1997-08-07 Conrad, Alfred, 45149 Essen Blanket cleaning system for offset printing machines
IT1320895B1 (en) * 2000-02-25 2003-12-10 Marco Corti BAR FOR DISPENSING DETERGENT FLUID MIXTURE IN THE DEVICES FOR THE AUTOMATIC CLEANING OF THE CYLINDERS OF THE PRINTING MACHINES

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Also Published As

Publication number Publication date
CN101384437A (en) 2009-03-11
CN101384437B (en) 2010-08-25
DE102006007571A1 (en) 2007-08-30
WO2007093306A3 (en) 2007-11-22
WO2007093306A2 (en) 2007-08-23
DE502007000704D1 (en) 2009-06-18
DE102006007571B4 (en) 2008-08-21
EP1984183B1 (en) 2009-05-06

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