EP0562281B1 - Device for cleaning several cylinders alternately - Google Patents
Device for cleaning several cylinders alternately Download PDFInfo
- Publication number
- EP0562281B1 EP0562281B1 EP93102614A EP93102614A EP0562281B1 EP 0562281 B1 EP0562281 B1 EP 0562281B1 EP 93102614 A EP93102614 A EP 93102614A EP 93102614 A EP93102614 A EP 93102614A EP 0562281 B1 EP0562281 B1 EP 0562281B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- cylinder
- cloth
- cylinders
- washing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 238000007639 printing Methods 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims description 41
- 238000005406 washing Methods 0.000 claims description 41
- 238000004804 winding Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2235/00—Cleaning
- B41P2235/10—Cleaning characterised by the methods or devices
- B41P2235/20—Wiping devices
- B41P2235/24—Wiping devices using rolls of cleaning cloth
- B41P2235/246—Pressing the cleaning cloth against the cylinder
Definitions
- the invention relates to a washing device for the optional cleaning of several cylinders of a sheet-fed printing machine.
- a device for washing several cylinders of a sheet-fed printing press in which a washing roller mounted on a lever can be brought into cleaning contact by pivoting the lever either with a rubber cylinder or with a printing cylinder.
- Two separate drive mechanisms are provided for cleaning the two cylinders. When swiveling away from the one cylinder, the first pressure connection is released, while swiveling towards the other cylinder, the second pressure connection is established.
- the use of two pressure mechanisms requires the provision of two complete, independent drive systems. The cost of material, manufacture, assembly and maintenance is undesirably high in such a device with high quality requirements.
- a washing device for cleaning a plurality of cylinders is known from EP 0 334 173 A1.
- pivoting of a pressure element between two cylinders to be cleaned is provided, for example, an additional pressure element being required for cleaning a third cylinder.
- An elaborate control of the cloth feed is intended to prevent the piece of cloth soiled by one cylinder from being used to clean the next cylinder.
- a blanket washing device in which a wash cloth is in cleaning contact with the blanket cylinder with the aid of a pressure brush.
- the wipe and pressure brush are arranged in a swivel frame. After the cleaning process is finished, the wiping cloth and the pressure brush are turned off by slightly swiveling the swivel frame from the cleaning position. Before the washing process is carried out again, the swivel frame with the wiping cloth and the pressure brush is swiveled back into the cleaning position.
- the present invention is based on the problem of making a washing device for the optional cleaning of a plurality of cylinders of a printing press simple and with a minimum of effort.
- the problem is solved by an embodiment of a washing device for the optional cleaning of a plurality of cylinders of a sheet-fed printing machine in accordance with the features of claim 1.
- Advantageous refinements result from subclaims 2 to 6.
- Another advantage is the reduction of the resources used, as well as the manufacturing and adjustment effort for the contact. Due to the swiveling training the Control effort for the cloth feed is minimized when cleaning several cylinders while maintaining an optimal cleaning quality.
- An advantageous feature is an optimal cleaning of the cylinders with easy access to the cylinders.
- the means for pivoting the cylinders can be provided entirely in the area of the machine side frames. Since neither air hoses nor other pivoting elements are thus required on the insertable device for the optional cleaning of a plurality of cylinders, this can also be designed simply and inexpensively while maintaining the advantages of pushing the washing device in and out. At the same time, the space between the two machine side frames can be kept free of additional space-grabbing elements for pivoting.
- the design according to the invention enables a particularly simple design and arrangement of all drive means required for such a device in a sheet-fed printing press. Additional protection and space provision measures for the drive means in the space between the machine side frames are not required.
- the arrangement of the moistening system for the cleaning cloth is particularly advantageous. Due to the one-time arrangement which is fixed to the machine in a device for the optional cleaning of several cylinders of a sheet-fed printing press, there is no need to operate the supply line and storage container for reliable moistening for a pivotable arrangement.
- a washing device 1 is arranged between the machine side frames 29 and 30 for cleaning a blanket cylinder 2, as shown in FIG. 1, and for cleaning a printing cylinder 3 of a sheet-fed offset printing press, as shown in FIG. 2.
- the washing device 1 consists of two bearing plates 7a facing the machine side frames 29 and 30 and 7b (not shown), in which a clean cloth winding roll 4 and a dirty cloth winding roll 6 are rotatably mounted parallel to the cylinders 2 and 3.
- a cleaning cloth 5 is stretched between the cleaning cloth winding roll 4 and the dirty cloth winding roll 6.
- the cleaning cloth 5 is guided over a pressure element 9, which, as shown in FIG. 11, consists of a membrane 40 which is stretched over a sealing body 42.
- a pressure chamber 43 which is connected to a compressed air connection, not shown.
- a spherical central region 41 of the pressure membrane 40 is pressed outwards by the pressure chamber 43.
- the cleaning cloth 5 for cleaning is applied to the corresponding cylinder 2 or 3 to be cleaned.
- the pressure membrane 40 relaxes and that Cleaning cloth 5 is returned in a known manner to the starting position shown in a line.
- each bearing plate 8 and 15 is mounted on pivot shafts 22 and 16 which are rotatably mounted concentrically with one another in the machine side frames 29, 30.
- the bearing plate 15 assigned to the left machine side frame 30 is, as shown in FIG. 5, fastened on the pivot shaft 16.
- the pivot shaft 16 is extended to the outside by the left machine side frame 30.
- a lever 17 is attached to this extension.
- the piston rod 18 of a pneumatic cylinder 19 is articulated.
- the pneumatic cylinder 19 is pivoted on the machine side frame 30.
- the bearing plate 8 assigned to the right machine side frame 29 is rotatably mounted on the pivot shaft 22, as shown in FIG. 8.
- a bearing plate 21 is rotatably mounted on the extension of the pivot shaft 22 which extends through the machine side frame 29 to the outside.
- a lever 23 is fastened to the bearing plate 8 and is rotatably mounted concentrically to the pivot shaft 22 in the machine side frame 29 at one end.
- a piston rod 24 of a pneumatic cylinder 25 is articulated.
- the pneumatic cylinder 25 is pivotally articulated on the bearing plate 21.
- the two bearing plates 8 and 15 are each formed on their side facing the washing device 1 with parallel guide rails 11.
- the two bearing plates 7a and 7b of the washing device 1 are each on the machine side frames 29, 30 behind externally pointing sides two bearing bolts 45, 47 and 44, 46 attached.
- the two bearing bolts 45 and 44 or the two bearing bolts 46 and 47 are each aligned coaxially with one another.
- the bearing bolts 44 to 47 are designed so that they serve to safely guide the washing device by engagement of the bearing bolts in the guide rails 10 and 11, respectively.
- the pivot shaft 22 is, as shown in FIGS. 8 and 10, formed in its end region to a driving fork 35.
- a driver 36 corresponding to the shape of the driver fork 35 is rotatably mounted.
- a gear 37 is connected in a rotationally fixed manner to the driver 36 and is in engagement with an intermediate gear 38 which is rotatably mounted in the bearing plate 7.
- the gearwheel 38 meshes with a gearwheel 39 which is rotatably fastened on the axis of the dirty tissue winding roller 6 and which is connected to the dirty tissue winding roller 6 via a one-way clutch.
- the washing device 1 is inserted to produce the working position with the aid of the bearing bolts 44 to 47 via the guide 12 fixed to the housing and then via the guide rails 10 and 11 set and locked in their pivoting position for cleaning the blanket cylinder until the bearing bolts 44 and 45 cooperate with a stop in the guide rails 10 and 11.
- the device By means of the bolts 46 and 47, the device can be locked by engaging in the bores 49 in the bearing plates 7 and 8.
- the pivot shaft 16 and thus the bearing plate 8 can be pivoted from its blanket cylinder washing position, as shown in FIG. 3, into the printing cylinder washing position, as shown in FIG. 4.
- the pivoting path is limited by the two stops 13 and 14 in the machine side frames.
- the driver 36 and with it the gear 37 can be pivoted via the pivot shaft 22 and the driving fork 35, as shown in FIGS. 8 to 10.
- the gear 39 is rotated via the intermediate gear 38, as a result of which the dirty-cloth winding roll 6 is rotated for further rolling up the cleaning cloth 5.
- the Dirt winder roll can only be moved in one direction using the freewheel.
- a sheet guide plate 20 can be attached to the washing device 1 for safe sheet guidance during sheet travel so that it is in the rest position of the washing device 1, which corresponds to the working position for cleaning the blanket cylinder 2, in the area above of the printing cylinder 3 from the printing cylinder 3 with the help of grabs conveyed paper sheets from above in their course. In this way, damage to the paper sheets and the washing device 1 by flutter effects can be avoided.
- the washing device If the washing device is to be removed from its position in order to provide better access to the blanket cylinder 2 or the impression cylinder 3, it will be in its working position for cleaning the blanket cylinder after releasing the locking with the bearing bolts 46 and 47 to the bearing plates 8 and 15 opposite the Guide rails 10 and 11 and after the driving fork 35 has been aligned with its fork opening parallel to the guide rail 11, retracted along the guide rails 10, 11 and 12 into a waiting position, not shown, or, in particular for changing the washcloth, removed from the machine.
- the position of the fork opening is advantageously chosen so that it is aligned parallel to the guide rail 11 in the starting position of the cloth feed. After each cloth advance, the fork opening is brought back into this parallel position by moving the pneumatic cylinder piston back to its starting position. A freewheel prevents the cloth from turning back.
- a cleaning agent application device 48 is of a known type fastened between the machine side frames 29, 30 in the area of the rubber cylinder 2 above the washing device 1 in the direction of rotation of the rubber cylinder 2.
- the detergent can be applied to the cleaning cloth in a known manner from the outside in the rubber cylinder washing position, which is used more frequently due to the higher degree of soiling.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Massaging Devices (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Abstract
Description
Die Erfindung betrifft eine Waschvorrichtung zur wahlweisen Reinigung mehrerer Zylinder einer Bogendruckmaschine.The invention relates to a washing device for the optional cleaning of several cylinders of a sheet-fed printing machine.
Aus der DE 28 15 388 C3 ist eine Vorrichtung zum Waschen mehrerer Zylinder einer Bogendruckmaschine bekannt, bei der eine an einem Hebel gelagerte Waschwalze durch Verschwenken des Hebels wahlweise mit einem Gummizylinder oder mit einem Druckzylinder in Reinigungskontakt gebracht werden kann. Zur Reinigung der beiden Zylinder sind dabei zwei separate Antriebsmechanismen vorgesehen. Mit Wegschwenken von dem einen Zylinder wird zunächst die eine Andrucksverbindung gelöst, beim Hinschwenken zum anderen Zylinder wird die zweite Andrucksverbindung hergestellt. Die Verwendung zweier Andrücksmechanismen erfordert die Bereitstellung zweier kompletter, unabhängiger Antriebssysteme. Der Aufwand an Material, Herstellung, Montage und Wartung ist bei einer solchen Vorrichtung mit hohen Qualitätsansprüchen unerwünscht hoch.From DE 28 15 388 C3 a device for washing several cylinders of a sheet-fed printing press is known, in which a washing roller mounted on a lever can be brought into cleaning contact by pivoting the lever either with a rubber cylinder or with a printing cylinder. Two separate drive mechanisms are provided for cleaning the two cylinders. When swiveling away from the one cylinder, the first pressure connection is released, while swiveling towards the other cylinder, the second pressure connection is established. The use of two pressure mechanisms requires the provision of two complete, independent drive systems. The cost of material, manufacture, assembly and maintenance is undesirably high in such a device with high quality requirements.
Aus der EP 0 334 173 A1 ist eine Waschvorrichtung zur Reinigung mehrerer Zylinder bekannt. Darin ist beispielsweise in Figur 5 ein Verschwenken eines Andrückelements zwischen zwei zu reinigenden Zylindern vorgesehen, wobei zur Reinigung eines dritten Zylinders ein zusätzliches Andrückelement benötigt wird. Mit einer aufwendigen Steuerung des Tuchvorschubs soll dabei verhindert werden, daß das von einem Zylinder beschmutzte Tuchstück zur Reinigung des nächsten Zylinders verwendet wird.A washing device for cleaning a plurality of cylinders is known from EP 0 334 173 A1. In FIG. 5, pivoting of a pressure element between two cylinders to be cleaned is provided, for example, an additional pressure element being required for cleaning a third cylinder. An elaborate control of the cloth feed is intended to prevent the piece of cloth soiled by one cylinder from being used to clean the next cylinder.
Aus der DE 37 44 800 A1 ist eine Gummituchwaschvorrichtung bekannt, bei der ein Waschtuch mit Hilfe einer Andrückbürste in Reinigungskontakt zum Gummizylinder steht. Wischtuch und Andrückbürste sind in einem Schwenkgestell angeordnet. Nach Beendigung des Reinigungsvorganges werden das Wischtuch und die Andrückbürste durch geringfügiges Schwenken des Schwenkgestells aus der Reinigungsposition abgestellt. Vor erneuter Durchführung des Waschvorgangs wird das Schwenkgestell mit dem Wischtuch und der Andrückbürste wieder in die Reinigungsposition zurückgeschwenkt.From DE 37 44 800 A1 a blanket washing device is known in which a wash cloth is in cleaning contact with the blanket cylinder with the aid of a pressure brush. The wipe and pressure brush are arranged in a swivel frame. After the cleaning process is finished, the wiping cloth and the pressure brush are turned off by slightly swiveling the swivel frame from the cleaning position. Before the washing process is carried out again, the swivel frame with the wiping cloth and the pressure brush is swiveled back into the cleaning position.
Der vorliegenden Erfindung liegt das Problem zugrunde, eine Waschvorrichtung zur wahlweisen Reinigung mehrerer Zylinder einer Druckmaschine einfach und mit minimiertem Aufwand zu gestalten.The present invention is based on the problem of making a washing device for the optional cleaning of a plurality of cylinders of a printing press simple and with a minimum of effort.
Erfindungsgemäß wird das Problem durch eine Ausgestaltung einer Waschvorrichtung zur wahlweisen Reinigung mehrerer Zylinder einer Bogendruckmaschine gemäß den Merkmalen von Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen 2 bis 6.According to the invention, the problem is solved by an embodiment of a washing device for the optional cleaning of a plurality of cylinders of a sheet-fed printing machine in accordance with the features of
Durch die Verwendung nur eines gemeinsamen Andrückmittels sowie nur eines gemeinsamen Antriebmittels für den Vorschub einer Reinigungsfläche für die Reinigung mehrerer Zylinder ist eine Minimierung an Material, Produktionsaufwand, Wartungsaufwand und an Montageaufwand möglich. Die Minimierung der an jedem Zylinder zur Reinigung benötigten Mittel auf ihre einmalige Ausführung ermöglicht zudem eine raumsparende Integration der Vorrichtung in die Druckmaschine.By using only one common pressing means and only one common driving means for feeding a cleaning surface for cleaning several cylinders, a minimization of material, production effort, maintenance effort and assembly effort is possible. The minimization of the resources required for cleaning on each cylinder to their unique design also enables a space-saving integration of the device into the printing press.
Ein weiterer Vorteil liegt in der Reduzierung der aufgewendeten Mittel, sowie des Fertigungs- und Justieraufwandes für den Berührkontakt. Durch die verschwenkbare Ausbildung wird zudem der Steuerungsaufwand für den Tuchvorschub bei der Reinigung mehrerer Zylinder unter Beibehaltung einer optimalen Reinigungsqualität minimiert.Another advantage is the reduction of the resources used, as well as the manufacturing and adjustment effort for the contact. Due to the swiveling training the Control effort for the cloth feed is minimized when cleaning several cylinders while maintaining an optimal cleaning quality.
Als vorteilhaftes Merkmal gilt eine optimale Reinigung der Zylinder bei leicht herzustellender Zugänglichkeit zu den Zylindern. Die Mittel zum Verschwenken der Zylinder können gänzlich im Bereich der Maschinenseitengestelle vorgesehen werden. Da somit weder Luftschläuche noch sonstige Verschwenkelemente an der einschiebbaren Vorrichtung zur wahlweisen Reinigung mehrerer Zylinder benötigt werden, kann diese auch unter Beibehaltung der Vorteile des Ein- bzw. Herausschiebens der Waschvorrichtung einfach und kostengünstig ausgebildet werden. Gleichzeitig kann der Raum zwischen den beiden Maschinenseitengestellen von zusätzlichen raumgreifenden Elementen für die Verschwenkung freigehalten werden.An advantageous feature is an optimal cleaning of the cylinders with easy access to the cylinders. The means for pivoting the cylinders can be provided entirely in the area of the machine side frames. Since neither air hoses nor other pivoting elements are thus required on the insertable device for the optional cleaning of a plurality of cylinders, this can also be designed simply and inexpensively while maintaining the advantages of pushing the washing device in and out. At the same time, the space between the two machine side frames can be kept free of additional space-grabbing elements for pivoting.
Die erfindungsgemäße Ausbildung ermöglicht eine besonders einfache Ausbildung und Anordnung aller für eine solche Vorrichtung benötigten Antriebsmittel in einer Bogendruckmaschine. Zusätzliche Schutz- und Raumbereitstellungsmaßnahmen für die Antriebsmittel im Raum zwischen den Maschinenseitengestellen entfallen.The design according to the invention enables a particularly simple design and arrangement of all drive means required for such a device in a sheet-fed printing press. Additional protection and space provision measures for the drive means in the space between the machine side frames are not required.
Besonders vorteilhaft ist die Anordung der Befeuchtungsanlage für das Reinigungstuch. Durch die in einer Vorrichtung zur wahlweisen Reinigung mehrerer Zylinder einer Bogendruckmaschine maschinenfeste einmalige Anordnung entfällt der zu betreibende Aufwand für Zuleitung und Vorratsbehälter zur sicheren Befeuchtung für eine mitverschwenkbare Anordnung.The arrangement of the moistening system for the cleaning cloth is particularly advantageous. Due to the one-time arrangement which is fixed to the machine in a device for the optional cleaning of several cylinders of a sheet-fed printing press, there is no need to operate the supply line and storage container for reliable moistening for a pivotable arrangement.
Günstige, einfache und platzsparende Ausbildungen des Schwenk- und Vorschubmechanismuses ergeben weitere vorteilhafte Merkmale.Favorable, simple and space-saving designs of the swivel and feed mechanism result in further advantageous features.
Durch eine Ausgestaltung der erfindungsgemäßen Vorrichtung kann in einer Bogenoffsetdruckmaschine zudem eine sichere Bogenführung im Bereich des Druckzylinders mit einfachen Mitteln mit einer guten Zugänglichkeit zu den Zylindern verbunden werden.By means of an embodiment of the device according to the invention, in a sheetfed offset printing press, secure sheet guidance in the area of the printing cylinder can also be connected with simple means with good accessibility to the cylinders.
Die Erfindung ist im folgenden anhand eines Ausführungsbeispiels, dargestellt in den Figuren 1 bis 11, näher erläutert.
- Fig. 1
- Seitenansicht einer erfindungsgemäßen Waschvorrichtung in einer Bogenoffsetdruckmaschine in Gummituchwaschposition,
- Fig. 2
- Waschvorrichtung wie in
Figur 1 in Druckzylinderwaschposition, - Fig. 3
- Schwenkantrieb in Seitenansicht in Gummizylinderwaschposition,
- Fig. 4
- Schwenkantrieb in Seitenansicht in Druckzylinderwaschposition,
- Fig. 5
- Schwenkantrieb in Draufsicht (Schnitt),
- Fig. 6
- Antrieb für den Tuchvorschub in Seitenansicht in Gummizylinderwaschposition,
- Fig. 7
- Antrieb für den Tuchvorschub in Seitenansicht in Druckzylinderwaschposition,
- Fig. 8
- Antrieb für den Tuchvorschub in Draufsicht (Schnitt),
- Fig. 9
- Seitenansicht auf die Antriebsverbindung für den Tuchvorschub,
- Fig. 10
- Draufsicht auf die Antriebsverbindung für den Tuchvorschub (Schnitt),
- Fig. 11
- Andrückelement in Seitenansicht.
- Fig. 1
- Side view of a washing device according to the invention in a sheet-fed offset printing machine in a blanket washing position,
- Fig. 2
- Washing device as in Figure 1 in the pressure cylinder washing position,
- Fig. 3
- Swivel drive in side view in rubber cylinder washing position,
- Fig. 4
- Swivel drive in side view in pressure cylinder washing position,
- Fig. 5
- Part-turn actuator in top view (section),
- Fig. 6
- Drive for the cloth feed in side view in the rubber cylinder washing position,
- Fig. 7
- Drive for the cloth feed in side view in the pressure cylinder washing position,
- Fig. 8
- Drive for the cloth feed in top view (section),
- Fig. 9
- Side view of the drive connection for the cloth feed,
- Fig. 10
- Top view of the drive connection for the cloth feed (cut),
- Fig. 11
- Side pressure element.
Eine Waschvorrichtung 1 ist zur Reinigung eines Gummituchzylinders 2, wie in Fig. 1 dargestellt, und zur Reinigung eines Druckzylinders 3 einer Bogenoffsetrotationsdruckmaschine, wie in Fig. 2 dargestellt, zwischen den Maschinenseitengestellen 29 und 30 angeordnet. Die Waschvorrichtung 1 besteht aus zwei den Maschinenseitengestellen 29 und 30 zugewandten Lagerplatten 7a und der nicht dargestellten 7b, in denen eine Saubertuchwickelrolle 4 und eine Schmutztuchwickelrolle 6 parallel zu den Zylindern 2 und 3 drehbar gelagert sind. Zwischen der Saubertuchwickelrolle 4 und der Schmutztuchwickelrolle 6 ist ein Reinigungstuch 5 gespannt. Das Reinigungstuch 5 ist über ein Andrückelement 9 geführt, das, wie in Fig. 11 dargestellt ist, aus einer Membran 40 besteht, die über einen Dichtkörper 42 gespannt ist. Im Dichtkörper 42 befindet sich eine Druckkammer 43, die mit einem nicht dargestellten Druckluftanschluß verbunden ist. Bei Betätigung der Druckluftzufuhr wird ein balliger Mittelbereich 41 der Andrückmembran 40 von der Druckkammer 43 nach außen gedrückt. Hierdurch wird, wie in den Fig. 1 und 2 mit gestrichelten Linien dargestellt ist, das Reinigungstuch 5 zur Reinigung an den entsprechenden zu reinigenden Zylinder 2 bzw. 3 angelegt. Nach Rücknahme der Druckluftzufuhr entspannt sich die Andrückmembran 40 und das Reinigungstuch 5 wird wieder in bekannter Weise in die liniert dargestellte Ausgangsposition zurückgeführt.A
Wie in den Fig. 3 bis 10 zu erkennen ist, sind in den zur Bogenförderrichtung gesehenen rechten und linken Maschinenseitengestellen 29 und 30 jeweils eine Lagerplatte 8 und 15 auf konzentrisch zueinander in den Maschinenseitengestellen 29, 30 drehbar gelagerten Schwenkwellen 22 und 16 gelagert. Die dem linken Maschinenseitengestell 30 zugeordnete Lagerplatte 15 ist, wie in Fig. 5 dargestellt, auf der Schwenkwelle 16 befestigt. Die Schwenkwelle 16 ist durch das linke Maschinenseitengestell 30 nach außen hin verlängert. Auf dieser Verlängerung ist ein Hebel 17 befestigt. Am anderen Ende des Hebels 17 ist die Kolbenstange 18 eines Pneumatikzylinders 19 angelenkt. Der Pneumatikzylinder 19 ist schwenkbar am Maschinenseitengestell 30 angelenkt.As can be seen in FIGS. 3 to 10, in the right and left machine side frames 29 and 30 as seen in the sheet conveying direction, in each case one
Die dem rechten Maschinenseitengestell 29 zugeordnete Lagerplatte 8 ist, wie in Fig. 8 dargestellt, drehbar auf der Schwenkwelle 22 gelagert. Auf der durch das Maschinenseitengestell 29 nach außen hindurchreichenden Verlängerung der Schwenkwelle 22 ist eine Lagerplatte 21 drehbar gelagert. Auf der weiteren Verlängerung der Schwenkwelle 22 ist ein an der Lagerplatte 8 befestigter und konzentrisch zur Schwenkwelle 22 im Maschinenseitengestell 29 drehbar gelagerter Hebel 23 mit seinem einen Ende befestigt. Am anderen Ende des Hebels 23 ist eine Kolbenstange 24 eines Pneumatikzylinders 25 angelenkt. Der Pneumatikzylinder 25 ist an der Lagerplatte 21 schwenkbar angelenkt.The bearing
Die beiden Lagerplatten 8 und 15 sind an ihrer zur Waschvorrichtung 1 hinweisenden Seite jeweils mit parallel zueinander ausgerichteten Führungsschienen 11 ausgebildet. In den beiden Lagerplatten 7a und 7b der Waschvorrichtung 1 sind jeweils an deren zu den Maschinenseitengestellen 29, 30 nach außen hinweisenden Seiten zwei Lagerbolzen 45, 47 bzw. 44, 46 befestigt. Die beiden Lagerbolzen 45 und 44 bzw. die beiden Lagerbolzen 46 und 47 sind jeweils koaxial zueinander ausgerichtet. Die Lagerbolzen 44 bis 47 sind so ausgebildet, daß sie zur sicheren Führung der Waschvorrichtung durch Eingriff der Lagerbolzen in die Führungsschienen 10 bzw. 11 dienen.The two
Die Schwenkwelle 22 ist, wie in den Fig. 8 und 10 dargestellt, in ihrem Endbereich zu einer Mitnehmergabel 35 ausgebildet. In der Lagerplatte 7 der Wascheinrichtung ist ein zur Form der Mitnehmergabel 35 korrespondierend ausgebildeter Mitnehmer 36 drehbar gelagert. Drehfest verbunden mit dem Mitnehmer 36 ist ein Zahnrad 37 welches in Eingriff mit einem im der Lagerplatte 7 drehbar gelagerten Zwischenzahnrad 38 steht. Das Zahnrad 38 kämmt mit einem Zahnrad 39, das auf der Achse der Schmutztuchwickelrolle 6 drehbar befestigt ist und das über eine Freilaufkupplung mit der Schmutztuchwickelrolle 6 verbunden ist.The
Mit Hilfe von in den Maschinenseitengestellen 29, 30 gelagerten Arretierstiften 33, die von in den Maschinenseitengestellen befestigten Arretierantrieben 32 axial verschoben werden, können diese in Arretieröffnungen 34 in den jeweils zugeordneten Lagerplatten 7 bzw. 8 eingreifen. Die Lagerplatten 7 bzw. 8 können somit in ihren beiden Schwenkpositionen arretiert werden.With the aid of locking
Die Waschvorrichtung 1 wird zur Herstellung der Arbeitsposition mit Hilfe der Lagerbolzen 44 bis 47 über die gehäusefeste Führung 12 und im Anschluß daran über die in ihre Schwenkposition zur Reinigung des Gummituchzylinders eingestellten und arretierten Führungsschienen 10 bzw. 11 eingeschoben, bis die Lagerbolzen 44 bzw. 45 mit einem Anschlag in den Führungsschienen 10 bzw. 11 zusammenwirken.The
Mittels der Bolzen 46 und 47 ist die Einrichtung durch Eingriff in die Bohrungen 49 in den Lagerplatten 7 und 8 arretierbar.By means of the
Nach Lösen der Arretierung durch Zurückziehen des Stiftes 33 mithilfe des Arretierantriebs 32 kann die Schwenkwelle 16 und damit die Lagerplatte 8 aus ihrer Gummituchzylinderwaschstellung, wie in Fig. 3 dargestellt, in die Druckzylinderwaschstellung, wie in Fig. 4 dargestellt, verschwenkt werden. Der Verschwenkweg wird durch die beiden Anschläge 13 und 14 in den Maschinenseitengestellen begrenzt. Beim Verschwenken wird die gegenüber den Führungsschienen 10 und 11 arretierte Waschvorrichtung 1 über die Lagerplatte 7b mitverschwenkt, ebenso wird über die Waschvorrichtung 1 dadurch die Lagerplatte 7a, sowie die Lagerplatte 8 und die mit dieser fest verbundenen Lagerplatte 21 mit dem Pneumatikzylinder 25 und der Schwenkwelle 22 mitverschwenkt.After releasing the locking device by pulling back the
Mit Hilfe einer an einer Federstange 27 geführten Druckfeder 26, die mit ihrem einen Ende an der Lagerplatte 8 angelenkt ist und sich mit ihrem anderen Ende an einem Federlager 28 im Maschinenseitengestell abstützt, ist es denkbar, ein regelrechtes Einrasten der Lagerplatte 8 und mit ihr der Waschvorrichtung 1 in die jeweils eingeschwenkte Arbeitsposition zu erreichen.With the aid of a
Mit Hilfe des Pneumatikzylinders 25 kann über die Schwenkwelle 22 und die Mitnehmergabel 35, wie in den Fig. 8 bis 10 dargestellt, der Mitnehmer 36 und mit ihm das Zahnrad 37 verschwenkt werden. Über das Zwischenzahnrad 38 wird das Zahnrad 39 verdreht, wodurch die Schmutztuchwickelrolle 6 zum weiteren Aufrollen des Reinigungstuches 5 verdreht wird. Zur Sicherung gegen ein unerwünschtes Lösen der Spannung des Schmutztuchs und gegen nicht beabsichtigten Rücktransport des Schmutztuchs ist die Schmutztuchwickelrolle mit Hilfe des Freilaufs nur in eine Richtung bewegbar.With the help of the
Wie in den Fig. 2 und 3 dargestellt, kann zur sicheren Bogenführung während des Bogenlaufes ein Bogenleitblech 20 an der Waschvorrichtung 1 so befestigt werden, daß es in der Ruheposition der Waschvorrichtung 1, die der Arbeitsposition zur Reinigung des Gummituchzylinders 2 entspricht, im Bereich oberhalb des Druckzylinders 3 vom Druckzylinder 3 mithilfe von Greifern geförderten Papierbogen von oben in ihrem Lauf stützt. Hierdurch kann ein Beschädigen der Papierbogen und der Waschvorrichtung 1 durch Flattereffekte vermieden werden.As shown in FIGS. 2 and 3, a
Soll die Waschvorrichtung zur Schaffung einer besseren Zugänglichkeit des Gummituchzylinders 2 oder des Druckzylinders 3 aus ihrer Position entfernt werden, so wird diese in ihrer Arbeitsposition zur Reinigung des Gummituchzylinders nach Lösen der Arretierung mit den Lagerbolzen 46 und 47 zu den Lagerplatten 8 bzw. 15 gegenüber den Führungsschienen 10 und 11 und nachdem die Mitnehmergabel 35 mit ihrer Gabelöffnung parallel zur Führungsschiene 11 ausgerichtet wurde, entlang der Führungsschienen 10, 11 und 12 in eine nicht dargestellte Warteposition zurückgezogen oder, insbesondere auch zum Wechseln des Waschtuchs, aus der Maschine entnommen.If the washing device is to be removed from its position in order to provide better access to the
Die Position der Gabelöffnung ist vorteilhafterweise so gewählt, daß diese in der Ausgangsposition des Tuchvorschubs parallel zur Führungsschiene 11 ausgerichtet ist. Nach jedem Tuchvorschub wird die Gabelöffnung durch Zurückfahren des Pneumatikzylinderkolbens in seine Ausgangsstellung wieder in diese parallele Position gebracht. Ein Freilauf verhindert das Zurückdrehen des Tuches.The position of the fork opening is advantageously chosen so that it is aligned parallel to the
Wie in der Fig. 1 dargestellt, ist eine Reinigungsmittelauftragsvorrichtung 48 bekannter Bauart zwischen den Maschinenseitengestellen 29, 30 im Bereich des Gummizylinders 2 oberhalb der Waschvorrichtung 1 in Drehrichtung des Gummizylinders 2 vorgeordnet befestigt. Das Waschmittel kann jeweils in der aufgrund der höheren Verschmutzung häufiger benutzten Gummizylinderwaschposition von außen auf das Reinigungstuch in bekannter Weise aufgebracht werden.As shown in FIG. 1, a cleaning
Weitere ballige Ausführungsformen der Druckmembran 41 sind, wie in Fig. 11b beispielhaft dargestellt, denkbar. Die ballige Ausführung ermöglicht ein schnelles, exaktes Überbrücken der Druckzylindergreifer bei Reinigung des Druckzylinders und vollständige Reinigung auch in den den Druckzylindergreifern benachbarten Bereichen des Druckzylinders.Further crowned embodiments of the
- 11
- WaschvorrichtungWashing device
- 22nd
- GummituchzylinderBlanket cylinder
- 33rd
- DruckzylinderImpression cylinder
- 44th
- SaubertuchwickelrolleCleaning cloth roll
- 55
- ReinigungstuchCleaning cloth
- 66
- SchmutztuchwickelrolleDirt wrap roll
- 7a7a
- LagerplatteBearing plate
- 7b7b
- LagerplatteBearing plate
- 88th
- LagerplatteBearing plate
- 99
- AndrückelementPressing element
- 1010th
- FührungsschieneGuide rail
- 1111
- FührungsschieneGuide rail
- 1212th
- FührungsschieneGuide rail
- 1313
- AnschlagsschraubeStop screw
- 1414
- AnschlagsschraubeStop screw
- 1515
- LagerplatteBearing plate
- 1616
- SchwenkwelleSwivel shaft
- 1717th
- Hebellever
- 1818th
- KolbenstangePiston rod
- 1919th
- PneumatikzylinderPneumatic cylinder
- 2020th
- BogenleitblechSheet baffle
- 2121
- LagerplatteBearing plate
- 2222
- SchwenkwelleSwivel shaft
- 2323
- TuchvorschubshebelCloth feed lever
- 2424th
- KolbenstangePiston rod
- 2525th
- PneumatikzylinderPneumatic cylinder
- 2626
- DruckfederCompression spring
- 2727
- FederstangeSpring rod
- 2828
- FederlagerSpring bearing
- 2929
- rechtes Maschinenseitengestellright machine side frame
- 3030th
- linkes Maschinenseitengestellleft machine side frame
- 3232
- ArretierantriebLocking drive
- 3333
- ArretierstiftLocking pin
- 3434
- ArretieröffnungLocking opening
- 3535
- MitnehmergabelDriving fork
- 3636
- MitnehmerDriver
- 3737
- Zahnradgear
- 3838
- ZwischenzahnradIdler gear
- 3939
- Zahnradgear
- 4040
- AndrückmembranPressure membrane
- 4141
- balliger Mittelbereichcrowned central area
- 4242
- DichtkörperSealing body
- 4343
- DruckkammerPressure chamber
- 4444
- LagerbolzenBearing bolt
- 4545
- LagerbolzenBearing bolt
- 4646
- LagerbolzenBearing bolt
- 4747
- LagerbolzenBearing bolt
- 4848
- ReinigungsmittelauftragsvorrichtungDetergent application device
- 4949
- Bohrungdrilling
Claims (6)
- Washing device for the selective cleaning of a plurality of cylinders of a sheet-fed printing machine, with a cleaning surface which is formed by means of a cleaning cloth (5) and which, for the cleaning of at least two cylinders (2, 3), can be selectively brought by a common pressure means (9) into touch contact with one of these cylinders along a line of contact of the cleaning surface with this cylinder, the said line of contact running parallel to the respective cylinder axis, characterized in that the washing device (1) is pivotable in pivoting shafts (16, 22) concentric to one another, in that a drive means (19, 18, 17) for the pivoting movement of the washing device (1) and a drive means (25, 24, 23, 35) for the feed movement of the cleaning cloth (5) are provided, and in that the two drive means initiate the drive via these pivoting shafts (16, 22).
- Device according to Claim 1, characterized in that the cleaning cloth (5) is rolled onto a clean-cloth winding roller (4) and onto a dirty-cloth winding roller (6) which are arranged in common bearing plates (7a, 7b) having the pressure means (9) for the cleaning cloth (5), the bearing plates (7a, 7b) being capable of being pushed into guide rails which are mounted pivotably in machine side stands (29, 30), and means (19, 18, 17, 16) being arranged for pivoting the guide rails (10, 11) on the machine side stands (29, 30).
- Device according to one or more of Claims 1 and 2, characterized in that the drive means (19, 18, 17) for pivoting the washing device (1) and the drive means (25, 24, 23, 35) for the feed of the cleaning cloth (5) are provided in the machine side stands (29, 30).
- Device according to one or more of Claims 1 to 3, characterized in that, when the washing device (1) reaches the working position in the guide rails (10, 11, 12) forming a push-in unit, a drive connection is made between the drive means (25, 24, 23, 35) for the feed of the cleaning cloth on the machine side stand (29) and the dirty-cloth winding roller (6), which drive connection is broken again, after the release of a retention, as a result of the displacement of the washing device (1) out of the working position.
- Device according to one or more of Claims 1 to 4, characterized in that one of the cylinders to be cleaned is a rubber-blanket cylinder (2) and another is an impression cylinder (3), and in that a heat-guiding device (20) is arranged in the region of the impression cylinder on the common bearing plates (7a, 7b).
- Device according to one or more of Claims 1 to 4, characterized in that a device for dampening the cleaning cloth is arranged between the machine side stands (29, 30) in the region of one cylinder (2, 3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4209642 | 1992-03-25 | ||
| DE4209642A DE4209642A1 (en) | 1992-03-25 | 1992-03-25 | Device for the optional cleaning of several cylinders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0562281A1 EP0562281A1 (en) | 1993-09-29 |
| EP0562281B1 true EP0562281B1 (en) | 1996-12-04 |
Family
ID=6454951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93102614A Expired - Lifetime EP0562281B1 (en) | 1992-03-25 | 1993-02-19 | Device for cleaning several cylinders alternately |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5408930A (en) |
| EP (1) | EP0562281B1 (en) |
| JP (1) | JP2930171B2 (en) |
| AT (1) | ATE145863T1 (en) |
| DE (2) | DE4209642A1 (en) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9212882U1 (en) * | 1992-09-24 | 1992-12-03 | Baldwin-Gegenheimer GmbH, 8900 Augsburg | Printing press cylinder washing device |
| DE4319258C2 (en) * | 1993-06-09 | 2003-10-09 | Heidelberger Druckmasch Ag | Cleaning device for printing machines |
| DE19508569B4 (en) * | 1994-04-26 | 2006-04-06 | Heidelberger Druckmaschinen Ag | Method for washing the surface of a blanket cylinder of offset rotary printing machines |
| JP3006820B2 (en) * | 1994-06-08 | 2000-02-07 | 清水製作株式会社 | Printing machine drum cleaning equipment |
| DE4428224C2 (en) * | 1994-08-10 | 1998-04-09 | Kba Planeta Ag | Device for selectively turning on a cleaning device |
| DE19512421C2 (en) * | 1994-12-14 | 1998-10-22 | Kba Planeta Ag | Device for cleaning several cylinders |
| DE19524640A1 (en) * | 1995-07-06 | 1997-01-09 | Heidelberger Druckmasch Ag | Printing press cylinder cleaner - has single wash unit for all different cylinders |
| DE19601471B4 (en) * | 1996-01-17 | 2005-09-29 | Heidelberger Druckmaschinen Ag | Device for cleaning cylinder jacket surfaces in printing machines |
| US5755158A (en) * | 1996-08-28 | 1998-05-26 | Presstek, Inc. | Alternately engageable, dual-stage cleaning system for lithographic printing plates |
| DE29617170U1 (en) * | 1996-10-02 | 1996-11-21 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Device for washing cylinders of a printing machine |
| DE19645799A1 (en) * | 1996-11-07 | 1998-05-20 | Roland Man Druckmasch | Paper web catcher |
| JP3023421B2 (en) * | 1997-02-19 | 2000-03-21 | 日本ボールドウィン株式会社 | Cylinder cleaning device and cleaning method |
| DE19822441A1 (en) * | 1997-06-24 | 1999-01-28 | Heidelberger Druckmasch Ag | Cleaning method for imaged printing plate with silicone layer avoiding explosion or health hazard |
| US5870954A (en) * | 1998-01-22 | 1999-02-16 | Presstek, Inc. | Retractable cleaning system for lithographic printing plates |
| DE19860190A1 (en) | 1998-02-04 | 1999-08-05 | Heidelberger Druckmasch Ag | Cylinder cleaning device for printing machine |
| IT1304249B1 (en) * | 1998-12-04 | 2001-03-13 | Marco Corti | APPARATUS TO ALTERNATIVELY CLEAN TWO NEAR CYLINDERS OF A PRINTING MACHINE, WITH A SINGLE CLEANING DEVICE. |
| SE9901729L (en) * | 1999-05-12 | 2000-11-13 | Jimek Ab | blanket washer |
| DE19937084A1 (en) * | 1999-08-06 | 2001-02-08 | Koenig & Bauer Ag | Washing appts for a cylinder surface has an inflatable elastic rubber membrane to press the washing cloth against the cylinder surface in a simple and robust system |
| ATE226890T1 (en) | 1999-08-13 | 2002-11-15 | Koenig & Bauer Ag | DEVICE FOR SELECTIVE CLEANING OF SEVERAL CYLINDERS |
| DE10000555A1 (en) * | 2000-01-08 | 2001-07-12 | Baldwin Grafotec Gmbh | Wash bars for printing press cylinders |
| ITBO20000521A1 (en) | 2000-09-08 | 2002-03-08 | Riccardo Fumagalli | APPARATUS TO ALTERNATIVELY CLEAN TWO OR MORE CYLINDERS OF A PRINTING MACHINE WITH A SINGLE CLEANING DEVICE |
| US20030209159A1 (en) * | 2002-05-08 | 2003-11-13 | Avi-Ben Porat | Bladder with a constant contact region for cleaning a blanket cylinder |
| DE102004033218B4 (en) * | 2003-08-27 | 2015-07-02 | Heidelberger Druckmaschinen Ag | Method for cylinder cleaning in a printing machine |
| DE102008053118A1 (en) * | 2008-10-26 | 2010-04-29 | Michael Kasper | Apparatus and method for cleaning blankets on blanket cylinders |
| DE102009002012B4 (en) | 2009-03-31 | 2018-10-31 | Koenig & Bauer Ag | Device for cleaning a cylinder in a printing machine |
| US9421757B2 (en) * | 2014-10-23 | 2016-08-23 | Ronald G. Egan | Method and apparatus for cleaning printing presses for three dimensional objects |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1960728U (en) * | 1965-08-20 | 1967-05-24 | Agfa Gevaert Ag | CLEANING OR EQUIPMENT FOR OFFICE OFFSET PRINTING MACHINES. |
| DE1224752B (en) * | 1965-08-20 | 1966-09-15 | Agfa Gevaert Ag | Cleaning or pre-moistening device for office offset printing machines |
| DE1960728A1 (en) * | 1968-12-10 | 1970-06-18 | Groove Associates Ltd | Method for connecting two pieces of fabric by a seam and product manufactured according to the method |
| DE2815388C3 (en) * | 1978-04-10 | 1981-06-11 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Device for washing cylinders on printing machines, in particular offset printing machines |
| US4270450A (en) * | 1979-09-10 | 1981-06-02 | M.A.N.-Roland Druckmaschinen Aktiengesellschaft | Arrangement for washing cylinders on printing presses |
| JPS6416657A (en) * | 1987-07-10 | 1989-01-20 | Baldwin Nippon Kk | Pressure pad in cylinder cleaner for press |
| DE3744800A1 (en) * | 1987-10-28 | 1989-06-29 | Spiess Gmbh G | Blanket washing device |
| JPH0822592B2 (en) * | 1987-11-06 | 1996-03-06 | ビー・ジェー・トレーディング有限会社 | Cylinder cleaning device |
| EP0334173B1 (en) * | 1988-03-23 | 1993-01-07 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Cleaning device for the working surfaces of a machine, especially of a printing machine |
| DD274003A1 (en) * | 1988-07-11 | 1989-12-06 | Polygraph Leipzig | RAKE DEVICE FOR OFFSET PRINTING MACHINES |
| DE3909119C2 (en) * | 1989-03-20 | 1997-01-23 | Heidelberger Druckmasch Ag | Washing device for a printing machine |
| JPH03114748A (en) * | 1990-08-29 | 1991-05-15 | Nippon Baldwin Kk | Cylinder cleaning device in printing press |
-
1992
- 1992-03-25 DE DE4209642A patent/DE4209642A1/en not_active Withdrawn
-
1993
- 1993-02-19 DE DE59304640T patent/DE59304640D1/en not_active Expired - Fee Related
- 1993-02-19 AT AT93102614T patent/ATE145863T1/en not_active IP Right Cessation
- 1993-02-19 EP EP93102614A patent/EP0562281B1/en not_active Expired - Lifetime
- 1993-03-24 JP JP5065082A patent/JP2930171B2/en not_active Expired - Fee Related
- 1993-03-25 US US08/036,813 patent/US5408930A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE145863T1 (en) | 1996-12-15 |
| JP2930171B2 (en) | 1999-08-03 |
| JPH068412A (en) | 1994-01-18 |
| DE4209642A1 (en) | 1993-09-30 |
| EP0562281A1 (en) | 1993-09-29 |
| US5408930A (en) | 1995-04-25 |
| DE59304640D1 (en) | 1997-01-16 |
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