EP1272349B1 - Cleaning-cloth roller for cleaning devices - Google Patents

Cleaning-cloth roller for cleaning devices Download PDF

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Publication number
EP1272349B1
EP1272349B1 EP01927872A EP01927872A EP1272349B1 EP 1272349 B1 EP1272349 B1 EP 1272349B1 EP 01927872 A EP01927872 A EP 01927872A EP 01927872 A EP01927872 A EP 01927872A EP 1272349 B1 EP1272349 B1 EP 1272349B1
Authority
EP
European Patent Office
Prior art keywords
cloth
sleeve
inner body
dirty
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01927872A
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German (de)
French (fr)
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EP1272349A1 (en
Inventor
Torsten Schmutz
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.)
Baldwin Germany GmbH
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Baldwin Germany GmbH
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Filing date
Publication date
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Publication of EP1272349A1 publication Critical patent/EP1272349A1/en
Application granted granted Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
    • 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
    • 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
    • B41P2235/242—Unwinding the cleaning cloth

Definitions

  • the invention relates to a dirty wipe roll for cleaning devices for cleaning current printing material webs or cylindrical bodies of rotation of a printing press or other machine in a printing company, according to the preamble of claim 1.
  • a cleaning device for cleaning printing press cylinders with a washing cloth is known, which is from a clean cloth winding roll on a gradually powered cloth cloth winding roll is wound and on the way from one roller to another role by a pressing device to be cleaned cylinder surface of a cylinder to be cleaned is pressed, which rotates.
  • the rollers are small spindles in diameter.
  • the publication mentions a blanket cylinder as the printing press cylinder.
  • Cylindrical rotating bodies which are cleaned according to the invention can in printing presses in particular plate cylinder, impression cylinder, dampening rollers and guide rollers.
  • the term "cylinder” in this specification thus means generally cylindrical rotating bodies, whether referred to by those skilled in the art as a cylinder, roller or roller.
  • the invention is also suitable for cleaning cylindrical bodies of revolution in printing machines, which are arranged downstream of the printing press, z. B. cooling rolls after a drying oven, glue application machines, coating machines, laminating machines, folding machines, etc.
  • the invention can be used both as a drivable cleaning cloth winding roll and as a drivable soiled cloth winding roll.
  • special advantages of the invention as a dirty cloth winding roll are usually referred to as a washcloth, as it is applied to the cylinder to be cleaned in a wet state and either already contains moisture on the clean-cloth winding roll or is moistened on the way from one roll to another by a moistening device.
  • the dirty cloth or dirty cloth of the cloth cloth winding roll must be removed at the end of the winding process of the cloth winding roll for cleaning or disposal as a disposable product. To clean or discard the soiled cloth, it must be removed from the dirty cloth take-up roll, which is normally done by unwinding.
  • the invention enables the problem to be solved, a Tuchwickelrolle such form that it entrains the cloth start section in the roll rotation safe slip-free, and that after winding the cloth, the Tuchwickelrolle can be pulled out with little force in the roll longitudinal direction of the cloth roll.
  • the cloth winding roll according to the invention has the advantage that it entrains a cloth without slip in the take-up rotation direction, however later the cloth winding roll (spindle) can be pulled out of the cloth roll in a simple manner, quickly and with little force.
  • the driver element protrudes beyond the outer diameter of the sleeve, so that the inner winding diameter of the cloth is greater than the outer diameter of the sleeve. Then, when the driver element is moved back into the sleeve, the sleeve with all parts in it, d. H. the whole Tuchwickelrolle be easily removed without special resistance from the larger diameter of the cloth roll axially.
  • the soiled cloth can be disposed of or brought into a laundry without being unwound from the cloth winding roll needs. Dirt particles remain trapped in the cloth wrap and do not get into the environment, so that no pollution of the environment.
  • the cloth winding roll according to the invention will be described as a cloth cloth winding roll (spindle) for winding a washing cloth in a cleaning apparatus for cleaning a printing machine cylinder which is stepwise driven in the direction of rotation, whereby the washing cloth is wound on it by this stepwise rotation.
  • the cloth winding roller 2 has an outer sleeve 4, on which a washing cloth is wound up.
  • the sleeve 4 has at least one longitudinal slot 6, which extends over a partial length which corresponds approximately to the width of the washing cloth, or preferably according to the drawings over the entire length of the sleeve.
  • a driver element 8 is fixed in the form of a two-piece oppositely developed spring plate having a driver edge 10 which extends radially within the sleeve outer diameter 12 in the longitudinal direction of the longitudinal slot 6 in a Tuchkeposition, which in Fig. 1 in dotted Lines 8-1 is shown, and against the spring force of Mit predominantlylementes through the longitudinal slot 6 through the sleeve outer diameter 12 also outwardly into a Tuchmit shakingposition is movable, which is shown in Fig. 1 in solid lines, to take the wash cloth in the one or the other roller rotation direction.
  • the length of the Mit supportivekante 10 is approximately equal to the width of the wash cloth, so that the wash cloth can be deflected by the Mit supportivekante over the sleeve outer diameter 12 radially outward when winding the cloth on the sleeve 4. This gives the cloth roll an inner diameter which is greater than the outer diameter of the sleeve 4 is.
  • An inner body 14 in the form of a tube or rod is displaceable within the sleeve 4 relative to it in the sleeve longitudinal direction.
  • the inner body 14 presses in Depending on its longitudinal position, the driving edge 10 against the spring force of the resilient flexible driver element 8 in the Tuchmit casseroleposition outwardly beyond the sleeve outer diameter 12 addition, as shown in Fig. 1 in solid lines, or are the driving edge 10 free, so that they through the Spring force is moved back to the cloth release position inwardly to within the sleeve outer diameter 12, which is shown in Fig. 1 in dotted lines 8-1. If the driving edge 10 is in its release position within the sleeve outer diameter 12, the cloth roll can be easily removed from the sleeve 4, because now the inner diameter of the cloth roll is greater than the outer diameter of the sleeve 4th
  • the driver element 8 is disposed within the sleeve 4 and clamped at its remote from the driving edge 10 angled end portion 16 by rivets 18 (or screws) between the inner peripheral wall of the sleeve 4 and a guide rail 20 and thereby secured to the sleeve 4.
  • the spring plate consisting of entrainment element 8 has a between its Abwinkelungsstellen, z. B. chord-like, by the sleeve 4 extending spring portion 22, at one end of the fastening end portion 16 is angled and at the other end of the end portion 24 is angled, which forms the driving edge 10.
  • Trained as a tube inner body 14 has at its outer periphery a deviating from the inner circle of the sleeve 4, z. B. chordally extending coupling surface 26 which abuts against her, directed into the interior of the sleeve 4 coupling surface 28 of the guide rail 20 and is positioned by this, so that the inner body 14 relative to the sleeve 4 in a certain rotational position relative to the sleeve. 4 is held and is rotatably connected to the sleeve.
  • the coupling surface 26 of the inner body 14 forms together with the coupling surfaces 28 of the guide rail 20 a plug-in coupling, which comes by axial insertion of the inner body 14 into the sleeve 4 in engagement and the axial disassembly of these two parts disengaged.
  • the coupling surfaces 26 and 28 preferably extend over the entire length of the inner body 14 and the sleeve 4th
  • a chord-like ramp surface 32 Connected to the coupling surface 26 of the inner body 14, preferably at an angle which is greater than 90 and less than 180 degrees, is a chord-like ramp surface 32, which is formed on the inner body 14 and on insertion of the inner body 14 into the sleeve 4 winds up the chord-like spring portion 22 of the driver element 8 and thereby presses the driving edge 10 of the cloth release position shown in dotted lines in Fig. 1 in the Tuchmit Spotifypositon shown in solid lines.
  • the coupling surface 26 and the ramp surface 32 at 180 °, d. H. aligned, or at an angle of less than 90 ° to each other.
  • the inner body 14 is provided at its two ends each with a bearing means 34 and 36 for rotatable mounting in a carrier.
  • the two bearing means 34 and 36 may be identical or different.
  • the bearing means 34 and / or 36 is formed at least at one end of the inner body 14 by a freewheel drive, by which a drive torque from a bearing pin 38 in only one direction of rotation on the inner body 14 transferable is, whereas the bearing pin 38 is freely rotatable relative to the inner body 14 in the opposite direction of rotation. 4 and 5, the freely rotatable direction of rotation of the inner body 14 is indicated relative to the bearing pin 38 by arrows 42.
  • the two bearing means 34 and 36 may also be formed substantially identical, if only one of them has or forms a freewheel drive.
  • both bearing means 34 and 36 have a bearing hub 40, which is rotatably connected to the inner body 14 and has outer peripheral surfaces which are aligned with the outer peripheral surfaces of the inner body 14 by at the same circumferential locations as the inner body 14 has a circular outer periphery, a chord-like flat coupling surface 28 and have a like flat ramp surface 32.
  • bearing elements 46 and at least one of the two bearing means 34 or 36 also freewheel drive elements 44.
  • the bearing pin 38 has a diagonal slot 48 frontally, in which a driver or other drive body can engage rotation.
  • the bearing hubs 40 are axial continuations of the inner body 14 and thus also form “inner body”, which may be provided in addition to the inner body 14 or instead of this inner body 14 with the coupling surface 26 and the ramp surface 32 and have their function.
  • the Mit supportivekante 10 should be designed so that they can press into a cloth to take this in the direction of rotation of Tuchwickeirolle 2.
  • the driving edge 10 can have any suitable shape, for example the pointed sawtooth shape shown in FIG. 2 or one of the shapes shown in FIG. 6, for example the waveform with upper shaft tips shown in FIG at 6.2 shown above, round waveform, or the rectangle waveform shown at 6.3, or the straight line shape shown at 6.4, or the top and bottom round waveform shown at 6.5.
  • Fig. 7 shows schematically in side view a so-called "wash bar” for cleaning the cylindrical surface 50 of a printing press cylinder 52 by a wash cloth 54, which by a dirty cloth winding roll 2 of the type described above according to the invention of a clean cloth winding roll 2-2 on a Pressing element 56 is withdrawn.
  • the cleaning cloth winding roll 2.2 can be of the same type as the dirty cloth winding roll 2. They are rotatably mounted in side plates of the washing bar 58, which can be moved back and forth relative to the cylinder 52 by an actuator 58 in a guide 60 to the washing cloth 54 to press by means of the pressing member 56 against the cylindrical surface 50 or to distance it.
  • a cam member 62 non-rotatably connected to the bearing pin 38 by its diagonal slot 48 is prevented from moving by a stop 64, thereby moving the cloth cloth winding roller 2 about a corresponding one Turning angle rotates, thereby moving the wash cloth 54 a step.
  • the driver element 62 is not hindered by the stop 64, but rotated by a spring, not shown, in the freewheeling direction of rotation of the designed as a freewheeling bearing means 34 and / or 36 back.
  • the wash cloth 54 may be moistened on its path of movement from the cleaning cloth winding roll 2-2 to the pressing member 56 by a moistening device 66 with water or other liquid, as known in the art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

Die Erfindung betrifft eine Schmutztuch-Wickerolle für Reinigungsvorrichtungen zum Reinigen von laufenden Bedruckstoffbahnen oder von zylindrischen Rotationskörpern einer Druckmaschine oder einer anderen Maschine in einer Druckerei, gemäß dem Oberbegriff von Anspruch 1.The invention relates to a dirty wipe roll for cleaning devices for cleaning current printing material webs or cylindrical bodies of rotation of a printing press or other machine in a printing company, according to the preamble of claim 1.

Aus der US 4 344 361 ist eine Reinigungsvorrichtung zum Reinigen von Druckmaschinenzylindern mit einem Waschtuch bekannt, welches von einer Saubertuch-Wickelrolle auf eine schrittweise angetriebene Schmutztuch-Wickelrolle umwickelbar ist und auf dem Weg von der einen Rolle zur anderen Rolle durch eine Andrückvorrichtung an die zu reinigende Zylinderfläche eines zu reinigenden Zylinders andrückbar ist, welcher rotiert. Die Rollen sind im Durchmesser kleine Spindeln. In der Druckschrift wird als Druckmaschinenzylinder ein Gummituchzylinder genannt.From the US 4,344,361 a cleaning device for cleaning printing press cylinders with a washing cloth is known, which is from a clean cloth winding roll on a gradually powered cloth cloth winding roll is wound and on the way from one roller to another role by a pressing device to be cleaned cylinder surface of a cylinder to be cleaned is pressed, which rotates. The rollers are small spindles in diameter. The publication mentions a blanket cylinder as the printing press cylinder.

Zylindrische Rotationskörper, die gemäß der Erfindung gereinigt werden können, sind in Druckmaschinen insbesondere Plattenzylinder, Gegendruckzylinder, Feuchtwerkswalzen und Leitwalzen. Der Ausdruck "Zylinder" bedeutet somit in dieser Beschreibung allgemein rotierende zylindrische Körper, unabhängig davon, ob sie vom Fachmann als Zylinder, Walze oder Rolle bezeichnet werden. Die Erfindung eignet sich auch zum Reinigen von zylindrischen Rotationskörpern in Druckerei-Maschinen, welche der Druckmaschine nachgeordnet sind, z. B. Kühlwalzen nach einem Trockenofen, Leimauftragsmaschinen, Beschichtungsmaschinen, Kaschiermaschinen, Falzmaschinen usw.Cylindrical rotating bodies which are cleaned according to the invention can in printing presses in particular plate cylinder, impression cylinder, dampening rollers and guide rollers. The term "cylinder" in this specification thus means generally cylindrical rotating bodies, whether referred to by those skilled in the art as a cylinder, roller or roller. The invention is also suitable for cleaning cylindrical bodies of revolution in printing machines, which are arranged downstream of the printing press, z. B. cooling rolls after a drying oven, glue application machines, coating machines, laminating machines, folding machines, etc.

Die Erfindung ist sowohl als antreibbare Saubertuch-Wickelrolle als auch als antreibbare Schmutztuch-Wickelrolle verwendbar. Besondere Vorteile hat die Erfindung jedoch als Schmutztuch-Wickelrolle. Das Tuch wird normalerweise als Waschtuch bezeichnet, da es in feuchtem Zustand an den zu reinigenden Zylinder angelegt wird und entweder bereits auf der Saubertuch-Wickelrolle Feuchtigkeit enthält oder auf dem Weg von der einen zur anderen Rolle durch eine Befeuchtungsvorrichtung befeuchtet wird. Das schmutzige Tuch oder Schmutztuch der Schmutztuch-Wickelrolle muß am Ende des Wickelvorganges von der Tuchwickelrolle entfernt werden zur Reinigung oder zum Wegwerfen als Wegwerfprodukt. Zum Reinigen oder zum Wegwerfen des Schmutztuches muß es von der Schmutztuch-Wickelrolle entfernt werden, was normalerweise durch einen Abwickelvorgang erfolgt. Hierbei ist es üblich, daß der Arbeiter in der Druckerei die Schmutztuch-Wickelrolle auf den Boden legt und dort abrollt. Dies benötigt nicht nur Zeit und Platz, sondern erzeugt auch eine Umweltverschmutzung, weil der Druckfarbenstaub aus dem Schmutztuch auf den Boden fällt und auch in der Luft aufgewirbelt wird.The invention can be used both as a drivable cleaning cloth winding roll and as a drivable soiled cloth winding roll. However, special advantages of the invention as a dirty cloth winding roll. The blanket is usually referred to as a washcloth, as it is applied to the cylinder to be cleaned in a wet state and either already contains moisture on the clean-cloth winding roll or is moistened on the way from one roll to another by a moistening device. The dirty cloth or dirty cloth of the cloth cloth winding roll must be removed at the end of the winding process of the cloth winding roll for cleaning or disposal as a disposable product. To clean or discard the soiled cloth, it must be removed from the dirty cloth take-up roll, which is normally done by unwinding. Here it is common that the worker in the printing plant puts the dirty cloth winding roll on the floor and rolls there. This not only takes time and space, but also creates environmental pollution because the ink dust from the dirt cloth falls to the ground and is also whirled up in the air.

Um das Abrollen des wegzuwerfenden Schmutztuches von seiner Tuchwickelrolle einzusparen wurde bereits eine Tuchwickelrolle vorgeschlagen, die aus dem Schmutztuchwickel axial herausziehbar ist, wenn vorher eine Stange oder ein Spieß axial herausgezogen wird. Die Stange ist in eine Längsnut im Außenumfang der Tuchwickelrolle einlegbar zur drehfesten Verbindung eines Anfangsabschnittes des Schmutztuches mit der Tuchwickelrolle. Dieser Vorschlag hat den Nachteil, daß aus dem satt, das heißt mit Zugspannung, aufgewickelten Schmutztuch sowohl die Stange als auch anschließend die Tuchwickelrolle nur schwer und mit viel Kraftaufwand herausziehbar sind.In order to save the unwinding of the throw away dirty cloth from his cloth winding roll has already been proposed a Tuchwickelrolle which is axially pulled out of the dirty cloth winding, if previously Rod or a skewer is pulled out axially. The rod can be inserted into a longitudinal groove in the outer periphery of the cloth winding roll for the rotationally fixed connection of an initial portion of the dirty cloth with the cloth winding roll. This proposal has the disadvantage that from the tired, that is, with tension, wound up soiled both the rod and then the cloth winding roll are difficult and can be pulled out with much effort.

Durch die Erfindung soll die Aufgabe gelöst werden, eine Tuchwickelrolle derart auszubilden, daß sie beim Aufwickeln eines Tuches den Tuchanfangsabschnitt in Rollendrehrichtung schlupffrei sicher mitnimmt, und daß nach dem Aufwickeln des Tuches die Tuchwickelrolle mit geringer Kraft in Rollenlängsrichtung aus dem Tuchwickel herausgezogen werden kann.The invention enables the problem to be solved, a Tuchwickelrolle such form that it entrains the cloth start section in the roll rotation safe slip-free, and that after winding the cloth, the Tuchwickelrolle can be pulled out with little force in the roll longitudinal direction of the cloth roll.

Diese Aufgabe wird gemäß der Erfindung durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the characterizing features of claim 1.

Die Tuchwickelrolle nach der Erfindung hat den Vorteil, daß sie ein Tuch in Aufwickeldrehrichtung schlupffrei mitnimmt, jedoch später die Tuchwickelrolle (Spindel) aus dem Tuchwickel auf einfache Weise, schnell und mit geringer Kraft axial herausgezogen werden kann. Das Mitnehmerelement ragt über den Außendurchmesser der Hülse hinaus, so daß der innere Wickeldurchmesser des Tuches größer ist als der Außendurchmesser der Hülse. Wenn dann das Mitnehmerelement in die Hülse hinein zurückbewegt ist, kann die Hülse mit allen in ihr befindlichen Teilen, d. h. die ganze Tuchwickelrolle, ohne besonderen Widerstand leicht aus dem größeren Durchmesser des Tuchwickels axial herausgenommen werden.The cloth winding roll according to the invention has the advantage that it entrains a cloth without slip in the take-up rotation direction, however later the cloth winding roll (spindle) can be pulled out of the cloth roll in a simple manner, quickly and with little force. The driver element protrudes beyond the outer diameter of the sleeve, so that the inner winding diameter of the cloth is greater than the outer diameter of the sleeve. Then, when the driver element is moved back into the sleeve, the sleeve with all parts in it, d. H. the whole Tuchwickelrolle be easily removed without special resistance from the larger diameter of the cloth roll axially.

Dadurch kann das verschmutzte Tuch entsorgt oder in eine Waschanstalt gebracht werden, ohne daß es von der Tuchwickelrolle abgewickelt zu werden braucht. Schmutzpartikel bleiben in dem Tuchwickel gefangen und gelangen nicht in die Umwelt, so daß keinerlei Verschmutzung der Umwelt entsteht.Thereby, the soiled cloth can be disposed of or brought into a laundry without being unwound from the cloth winding roll needs. Dirt particles remain trapped in the cloth wrap and do not get into the environment, so that no pollution of the environment.

Weitere Merkmale der Erfindung sind in den Unteransprüchen enthalten.Further features of the invention are contained in the subclaims.

Die Erfindung wird im Folgenden anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In den Zeichnungen zeigen

Fig. 1
eine Stirnansicht einer Tuchwickelrolle nach der Erfindung für eine Druckmaschinenzylinder-Reinigungsvorrichtung,
Fig. 2
eine perspektivische Ansicht einer äußeren Hülse der Tuchwickelrolle von Fig. 1,
Fig. 3
einen Axialschnitt durch die Tuchwickelrolle von Fig. 1 zusammen mit weiteren Teilen,
Fig. 4
eine Seitenansicht der Tuchwickelrolle von Fig. 3 von rechts her gesehen,
Fig. 5
eine Seitenansicht der Wickelrolle von Fig. 3 von links her gesehen,
Fig. 6
fünf verschiedene weitere Varianten 6.1, 6.2, 6.3, 6.4 und 6.5 einer Mitnehmerkante der Tuchwickelrolle,
Fig. 7
schematisch eine Seitenansicht einer Reinigungsvorrichtung mit mindestens einer Tuchwickelrolle nach der Erfindung für ein Tuch zum Reinigen von Druckmaschinenzylindern.
The invention will now be described by way of example with reference to a preferred embodiment. In the drawings show
Fig. 1
an end view of a cloth winding roll according to the invention for a printing press cylinder cleaning device,
Fig. 2
a perspective view of an outer sleeve of the cloth winding roll of Fig. 1,
Fig. 3
an axial section through the cloth winding roll of Fig. 1 together with other parts,
Fig. 4
a side view of the cloth winding roll of Fig. 3 seen from the right,
Fig. 5
a side view of the winding roll of Fig. 3 seen from the left,
Fig. 6
five different further variants 6.1, 6.2, 6.3, 6.4 and 6.5 of a driving edge of the cloth winding roll,
Fig. 7
schematically a side view of a cleaning device with at least one cloth winding roll according to the invention for a cloth for cleaning printing press cylinders.

Im Folgenden wird die Tuchwickelrolle nach der Erfindung als in Drehrichtung schrittweise antreibbare Schmutztuchwickelrolle (Spindel) zum Aufwickeln eines Waschtuches in einer Reinigungsvorrichtung zum Reinigen eines Druckmaschinenzylinders beschrieben, wobei durch dieses schrittweise Rotieren das Waschtuch auf sie aufgewickelt wird.Hereinafter, the cloth winding roll according to the invention will be described as a cloth cloth winding roll (spindle) for winding a washing cloth in a cleaning apparatus for cleaning a printing machine cylinder which is stepwise driven in the direction of rotation, whereby the washing cloth is wound on it by this stepwise rotation.

Wie Fig. 1 zeigt, hat die Tuchwickelrolle 2 eine äußere Hülse 4, auf welche ein Waschtuch aufwickelbar ist. Die Hülse 4 hat mindestens einen Längsschlitz 6, welcher sich über eine Teillänge, die ungefähr der Breite des Waschtuches entspricht, oder vorzugsweise entsprechend den Zeichnungen über die gesamte Länge der Hülse erstreckt.As shown in Fig. 1, the cloth winding roller 2 has an outer sleeve 4, on which a washing cloth is wound up. The sleeve 4 has at least one longitudinal slot 6, which extends over a partial length which corresponds approximately to the width of the washing cloth, or preferably according to the drawings over the entire length of the sleeve.

An der Hülse 4 ist ein Mitnehmerelement 8 in Form eines an zwei Stellen entgegengesetzt zueinander abgewickelten Federbleches befestigt, welches ein Mitnehmerkante 10 hat, die sich radial innerhalb des Hülsenaußendurchmessers 12 in Längsrichtung des Längsschlitzes 6 in einer Tuchfreigabeposition erstreckt, welche in Fig. 1 in punktierten Linien 8-1 gezeigt ist, und entgegen der Federkraft des Mitnehmerlementes durch den Längsschlitz 6 hindurch über den Hülsenaußendurchmesser 12 hinaus nach außen in eine Tuchmitnahmeposition bewegbar ist, welche in Fig. 1 in durchgehenden Linien gezeigt ist, zur Mitnahme des Waschtuches in der einen oder der anderen Rollendrehrichtung. Die Länge der Mitnehmerkante 10 ist ungefähr gleich groß wie die Breite des Waschtuches, damit das Waschtuch durch die Mitnehmerkante über den Hülsenaußendurchmesser 12 radial nach außen umgelenkt werden kann beim Aufwickeln des Tuches auf die Hülse 4. Dadurch erhält der Tuchwickel einen Innendurchmesser, der größer als der Außendurchmesser der Hülse 4 ist.On the sleeve 4, a driver element 8 is fixed in the form of a two-piece oppositely developed spring plate having a driver edge 10 which extends radially within the sleeve outer diameter 12 in the longitudinal direction of the longitudinal slot 6 in a Tuchfreigabeposition, which in Fig. 1 in dotted Lines 8-1 is shown, and against the spring force of Mitnehmerlementes through the longitudinal slot 6 through the sleeve outer diameter 12 also outwardly into a Tuchmitnahmeposition is movable, which is shown in Fig. 1 in solid lines, to take the wash cloth in the one or the other roller rotation direction. The length of the Mitnehmerkante 10 is approximately equal to the width of the wash cloth, so that the wash cloth can be deflected by the Mitnehmerkante over the sleeve outer diameter 12 radially outward when winding the cloth on the sleeve 4. This gives the cloth roll an inner diameter which is greater than the outer diameter of the sleeve 4 is.

Ein Innenkörper 14 in Form eines Rohres oder Stabes ist innerhalb der Hülse 4 relativ zu ihr in Hülsenlängsrichtung verschiebbar. Der Innenkörper 14 drückt in Abhängigkeit von seiner Längsposition die Mitnehmerkante 10 entgegen der Federkraft des federelastisch biegsamen Mitnehmerelementes 8 in die Tuchmitnahmeposition nach außen über den Hülsenaußendurchmesser 12 hinaus, wie dies in Fig. 1 in durchgehenden Linien gezeigt ist, oder gibt die Mitnehmerkante 10 frei, so daß sie durch die Federkraft in die Tuchfreigabeposition nach innen bis innerhalb des Hülsenaußendurchmessers 12 zurückbewegt wird, welche in Fig. 1 in punktierten Linien 8-1 gezeigt ist. Wenn die Mitnehmerkante 10 in ihrer Freigabeposition innerhalb des Hülsenaußendurchmessers 12 ist, kann der Tuchwickel leicht von der Hülse 4 abgezogen werden, weil jetzt der Innendurchmesser des Tuchwickels größer ist als der Außendurchmesser der Hülse 4.An inner body 14 in the form of a tube or rod is displaceable within the sleeve 4 relative to it in the sleeve longitudinal direction. The inner body 14 presses in Depending on its longitudinal position, the driving edge 10 against the spring force of the resilient flexible driver element 8 in the Tuchmitnahmeposition outwardly beyond the sleeve outer diameter 12 addition, as shown in Fig. 1 in solid lines, or are the driving edge 10 free, so that they through the Spring force is moved back to the cloth release position inwardly to within the sleeve outer diameter 12, which is shown in Fig. 1 in dotted lines 8-1. If the driving edge 10 is in its release position within the sleeve outer diameter 12, the cloth roll can be easily removed from the sleeve 4, because now the inner diameter of the cloth roll is greater than the outer diameter of the sleeve 4th

Das Mitnehmerelement 8 ist innerhalb der Hülse 4 angeordnet und an seinem von der Mitnahmekante 10 entfernten abgewinkelten Endabschnitt 16 durch Nieten 18 (oder Schrauben) zwischen die Innenumfangswand der Hülse 4 und eine Führungsleiste 20 eingespannt und dadurch an der Hülse 4 befestigt.The driver element 8 is disposed within the sleeve 4 and clamped at its remote from the driving edge 10 angled end portion 16 by rivets 18 (or screws) between the inner peripheral wall of the sleeve 4 and a guide rail 20 and thereby secured to the sleeve 4.

Das aus Federblech bestehende Mitnahmeelement 8 hat einen sich zwischen seinen Abwinkelungsstellen, z. B. sehnenartig, durch die Hülse 4 erstreckenden Federbereich 22, an dessen einem Ende der Befestigungs-Endabschnitt 16 abgewinkelt ist und an dessen anderem Ende der Endabschnitt 24 abgewinkelt ist, welcher die Mitnehmerkante 10 bildet.The spring plate consisting of entrainment element 8 has a between its Abwinkelungsstellen, z. B. chord-like, by the sleeve 4 extending spring portion 22, at one end of the fastening end portion 16 is angled and at the other end of the end portion 24 is angled, which forms the driving edge 10.

Der als Rohr ausgebildete Innenkörper 14 hat an seinem Außenumfang eine vom Innenkreis der Hülse 4 abweichende, z. B. sehnenartig sich erstreckende Kupplungsfläche 26, welche an einer ihr entgegengerichteten, in das Innere der Hülse 4 gerichteten Kupplungsfläche 28 der Führungsleiste 20 anliegt und von dieser positioniert wird, so daß der Innenkörper 14 relativ zur Hülse 4 in einer bestimmten Drehposition relativ zur Hülse 4 gehalten wird und mit der Hülse drehfest verbunden ist. Die Kupplungsfläche 26 des Innenkörpers 14 bildet zusammen mit der Kupplungsflächen 28 der Führungsleiste 20 eine Steckkupplung, die durch axiales Einsetzen des Innenkörpers 14 in die Hülse 4 in Eingriff und beim axialen Auseinandernehmen dieser beiden Teile außer Eingriff kommt. Die Kupplungsflächen 26 und 28 erstrecken sich vorzugsweise über die gesamte Länge des Innenkörpers 14 bzw. der Hülse 4.Trained as a tube inner body 14 has at its outer periphery a deviating from the inner circle of the sleeve 4, z. B. chordally extending coupling surface 26 which abuts against her, directed into the interior of the sleeve 4 coupling surface 28 of the guide rail 20 and is positioned by this, so that the inner body 14 relative to the sleeve 4 in a certain rotational position relative to the sleeve. 4 is held and is rotatably connected to the sleeve. The coupling surface 26 of the inner body 14 forms together with the coupling surfaces 28 of the guide rail 20 a plug-in coupling, which comes by axial insertion of the inner body 14 into the sleeve 4 in engagement and the axial disassembly of these two parts disengaged. The coupling surfaces 26 and 28 preferably extend over the entire length of the inner body 14 and the sleeve 4th

An die Kupplungsfläche 26 des Innenkörpers 14 schließt sich, vorzugsweise unter einem Winkel, der größer als 90 und kleiner als 180 Grad ist, eine sehnenartige Auflauffläche 32 an, die an dem Innenkörper 14 gebildet ist und beim Einsetzen des Innenkörpers 14 in die Hülse 4 auf den sehnenartigen Federbereich 22 des Mitnehmerelementes 8 aufläuft und dadurch dessen Mitnehmerkante 10 von der in Fig. 1 in punktierten Linien gezeigten Tuchfreigabeposition in die in durchgezogenen Linien gezeigte Tuchmitnahmepositon drückt. Gemäß nicht gezeigten Ausführungsformen sind die Kupplungsfläche 26 und die Auflauffläche 32 mit 180°, d. h. fluchtend, oder unter einem Winkel von weniger als 90° zueinander angeordnet.Connected to the coupling surface 26 of the inner body 14, preferably at an angle which is greater than 90 and less than 180 degrees, is a chord-like ramp surface 32, which is formed on the inner body 14 and on insertion of the inner body 14 into the sleeve 4 winds up the chord-like spring portion 22 of the driver element 8 and thereby presses the driving edge 10 of the cloth release position shown in dotted lines in Fig. 1 in the Tuchmitnahmepositon shown in solid lines. According to embodiments not shown, the coupling surface 26 and the ramp surface 32 at 180 °, d. H. aligned, or at an angle of less than 90 ° to each other.

Gemäß den Fig. 3, 4 und 5 ist der Innenkörper 14 an seinen beiden Enden je mit einem Lagermittel 34 bzw. 36 versehen zur drehbaren Lagerung in einem Träger. Die beiden Lagermittel 34 und 36 können identisch oder unterschiedlich ausgebildet sein.3, 4 and 5, the inner body 14 is provided at its two ends each with a bearing means 34 and 36 for rotatable mounting in a carrier. The two bearing means 34 and 36 may be identical or different.

Gemäß der in den Fig. 3, 4 und 5 gezeigten Ausführungsform ist das Lagermittel 34 und/oder 36 mindestens an einem Ende des Innenkörpers 14 durch einen Freilaufantrieb gebildet, durch welchen von einem Lagerbolzen 38 ein Antriebsdrehmoment nur in einer Drehrichtung auf den Innenkörper 14 übertragbar ist, wohingegen der Lagerbolzen 38 in entgegengesetzter Drehrichtung relativ zum Innenkörper 14 frei drehbar ist. In den Fig. 4 und 5 ist die frei drehbare Drehrichtung des Innenkörpers 14 relativ zum Lagerbolzen 38 durch Pfeile 42 angegeben.According to the embodiment shown in FIGS. 3, 4 and 5, the bearing means 34 and / or 36 is formed at least at one end of the inner body 14 by a freewheel drive, by which a drive torque from a bearing pin 38 in only one direction of rotation on the inner body 14 transferable is, whereas the bearing pin 38 is freely rotatable relative to the inner body 14 in the opposite direction of rotation. 4 and 5, the freely rotatable direction of rotation of the inner body 14 is indicated relative to the bearing pin 38 by arrows 42.

Die beiden Lagermittel 34 und 36 können auch dann im wesentlichen identisch ausgebildet sein, wenn nur eine davon einen Freilaufantrieb aufweist oder bildet. Vorzugsweise haben beide Lagermittel 34 und 36 eine Lagernabe 40, welche mit dem Innenkörper 14 drehfest verbunden ist und Außenumfangsflächen hat, die mit den Außenumfangsflächen des Innenkörpers 14 fluchten, indem sie an den gleichen Umfangsstellen wie der Innenkörper 14 einen kreisrunden Außenumfang, eine sehnenartig flache Kupplungsfläche 28 und eine sehenenartig flache Auflauffläche 32 haben. Zwischen dem Lagerbolzen 38 und der zugehörigen Lagernabe 40 befinden sich Lagerelemente 46 und mindestens bei einem der beiden Lagermittel 34 oder 36, auch Freilaufantriebselemente 44. Der Lagerbolzen 38 hat stirnseitig einen Diagonalschlitz 48, in welchen ein Mitnehmer oder anderer Antriebskörper drehfest eingreifen kann.The two bearing means 34 and 36 may also be formed substantially identical, if only one of them has or forms a freewheel drive. Preferably, both bearing means 34 and 36 have a bearing hub 40, which is rotatably connected to the inner body 14 and has outer peripheral surfaces which are aligned with the outer peripheral surfaces of the inner body 14 by at the same circumferential locations as the inner body 14 has a circular outer periphery, a chord-like flat coupling surface 28 and have a like flat ramp surface 32. Between the bearing pin 38 and the associated bearing hub 40 are bearing elements 46 and at least one of the two bearing means 34 or 36, also freewheel drive elements 44. The bearing pin 38 has a diagonal slot 48 frontally, in which a driver or other drive body can engage rotation.

Die Lagernaben 40 sind axiale Fortsetzungen des Innenkörpers 14 und bilden somit ebenfalls "Innenkörper", welche zusätzlich zu dem Innenkörper 14 oder anstelle dieses Innenkörpers 14 mit der Kupplungsfläche 26 und der Auflauffläche 32 versehen sein können und deren Funktion haben.The bearing hubs 40 are axial continuations of the inner body 14 and thus also form "inner body", which may be provided in addition to the inner body 14 or instead of this inner body 14 with the coupling surface 26 and the ramp surface 32 and have their function.

Die Mitnehmerkante 10 soll so ausgebildet sein, daß sie sich in ein Tuch eindrücken kann, um dieses in Drehrichtung der Tuchwickeirolle 2 mitzunehmen. Zu diesem Zwecke kann die Mitnehmerkante 10 jede beliebige, dafür geeignete Form haben, beispielsweise die in Fig. 2 gezeigte spitze Sägezahnform oder eine der in Fig. 6 gezeigte Form, beispielsweise die in Fig. 6 bei 6.1 gezeigte Wellenform mit oberen Wellenspitzen, oder die bei 6.2 gezeigte, oben runde Wellenform, oder die bei 6.3 gezeigte Rechteck-Wellenform, oder die bei 6.4 gezeigte geradlinige Form, oder die bei 6.5 gezeigte oben und unten runde Wellenform.The Mitnehmerkante 10 should be designed so that they can press into a cloth to take this in the direction of rotation of Tuchwickeirolle 2. For this purpose, the driving edge 10 can have any suitable shape, for example the pointed sawtooth shape shown in FIG. 2 or one of the shapes shown in FIG. 6, for example the waveform with upper shaft tips shown in FIG at 6.2 shown above, round waveform, or the rectangle waveform shown at 6.3, or the straight line shape shown at 6.4, or the top and bottom round waveform shown at 6.5.

Fig. 7 zeigt schematisch in Seitenansicht einen sogenannten "Waschbalken" zur Reinigung der zylindrischen Oberfläche 50 eines Druckmaschinenzylinders 52 durch ein Waschtuch 54, welches durch eine Schmutztuch-Wickelrolle 2 der vorstehend beschriebenen Art nach der Erfindung von einer Saubertuch-Wickelrolle 2-2 über ein Andrückelement 56 abgezogen wird. Die Saubertuch-Wickelrolle 2.2 kann von der gleichen Art sein wie die Schmutztuch-Wickeirolle 2. Sie sind in Seitenplatten des Waschbalkens 58 drehbar gelagert, welcher durch einen Stellantrieb 58 in einer Führung 60 relativ zum Zylinder 52 vor- und zurückbewegbar ist, um das Waschtuch 54 mittels des Andrückelementes 56 gegen die Zylinderfläche 50 zu drücken oder davon zu distanzieren. Bei jeder Rückwärtsbewegung vom Zylinder 52 weg (oder bei jeder Vorwärtsbewegung) wird ein Mitnehmerelement 62, welches mit dem Lagerbolzen 38 durch dessen Diagonalschlitz 48 drehfest verbunden ist, durch einen Anschlag 64 in seiner Bewegung behindet, wodurch er die Schmutztuch-Wickelrolle 2 um einen entsprechenden Drehwinkel dreht und dadurch das Waschtuch 54 einen Schritt weiterbewegt. Bei Bewegung des Waschbalkens 54 in entgegengesetzter Richtung wird das Mitnehmerelement 62 von dem Anschlag 64 nicht behindert, sondern durch eine nicht gezeigte Feder in Freilauf-Drehrichtung des als Freilauf ausgebildeten Lagermittels 34 und/oder 36 zurück gedreht. Das Waschtuch 54 kann auf seinem Bewegungsweg von der Saubertuch-Wickelrolle 2-2 zum Andrückelement 56 durch eine Befeuchtungsvorrichtung 66 mit Wasser oder einer anderen Flüssigkeit befeuchtet werden, wie dies Stand der Technik ist.Fig. 7 shows schematically in side view a so-called "wash bar" for cleaning the cylindrical surface 50 of a printing press cylinder 52 by a wash cloth 54, which by a dirty cloth winding roll 2 of the type described above according to the invention of a clean cloth winding roll 2-2 on a Pressing element 56 is withdrawn. The cleaning cloth winding roll 2.2 can be of the same type as the dirty cloth winding roll 2. They are rotatably mounted in side plates of the washing bar 58, which can be moved back and forth relative to the cylinder 52 by an actuator 58 in a guide 60 to the washing cloth 54 to press by means of the pressing member 56 against the cylindrical surface 50 or to distance it. At each backward movement away from the cylinder 52 (or at each forward movement), a cam member 62 non-rotatably connected to the bearing pin 38 by its diagonal slot 48 is prevented from moving by a stop 64, thereby moving the cloth cloth winding roller 2 about a corresponding one Turning angle rotates, thereby moving the wash cloth 54 a step. When moving the washing bar 54 in the opposite direction, the driver element 62 is not hindered by the stop 64, but rotated by a spring, not shown, in the freewheeling direction of rotation of the designed as a freewheeling bearing means 34 and / or 36 back. The wash cloth 54 may be moistened on its path of movement from the cleaning cloth winding roll 2-2 to the pressing member 56 by a moistening device 66 with water or other liquid, as known in the art.

Claims (10)

  1. Dirty-cloth takeup roller for cleaning devices for cleaning running printing material webs or cylindrical rotating bodies in a printing machine or another machine in a print shop, characterized in that an outer sleeve (4) is provided, on which the relevant cloth can be wound up and which has at least one longitudinal slot (6), in that a drive element (8) is fixed to the sleeve (4), and has a drive lip (10) which extends radially within the sleeve outer diameter (12), in the longitudinal direction of the longitudinal slot, into a cloth release position over a length which is at least approximately as great as the width of the winding cloth, and which can be moved outward counter to a spring force and through the longitudinal slot (6) beyond the sleeve outer diameter (12) into a cloth drive position in order to drive the cloth in the direction of rotation of the sleeve and in order to deflect the cloth outward over the sleeve outer diameter (12) as the cloth is wound up onto the sleeve (4), in that an inner body (14, 40) is provided, which can be displaced within the sleeve (4), relative to the latter, in the sleeve longitudinal direction and, depending on its longitudinal position, forces the drive lip (10) outward counter to the spring force into the cloth drive position or releases it, so that it is moved back inward by the spring force into the cloth release position.
  2. Dirty-cloth takeup roller according to Claim 1, characterized in that the drive element (8) is a spring steel plate, which produces the aforementioned spring force.
  3. Dirty-cloth takeup roller according to Claim 1 or 2, characterized in that the drive element (8) is arranged within the sleeve (4), at least with respect to its resiliently flexible spring area producing the spring force.
  4. Dirty-cloth takeup roller according to one of the preceding Claims, characterized in that the drive lip (10) is a material section of the drive element (8).
  5. Dirty-cloth takeup roller according to Claim 3 or 4, characterized in that the drive element (8) has a section (22) extending transversely through the interior of the sleeve (4).
  6. Dirty-cloth takeup roller according to Claim 5, characterized in that the drive lip (10) is provided on a spring steel plate end section (24) which is angled over and adjoins the section (22) extending transversely.
  7. Dirty-cloth takeup roller according to one of the preceding claims, characterized in that the drive lip (10) is toothed.
  8. Dirty-cloth takeup roller according to one of the preceding claims, characterized in that the inner body (14, 40) can be inserted into the sleeve (4) in the sleeve longitudinal direction and can be pulled out of the sleeve, in that a coupling means (20, 26, 28) for the rotationally fixed but detachable connection between the sleeve (4) and the inner body (14, 40) inserted into it is provided, and in that the inner body (14, 40) has two ends, which have bearing means (34, 36) for the rotatable mounting of the inner body (14, 40) in a carrier.
  9. Dirty-cloth takeup roller according to Claim 8, characterized in that the coupling means (20, 26, 28) has a plug-in coupling with coupling surfaces (26, 28) which are engaged with each other by the inner body (14, 40) being inserted into the sleeve (4) and, when the inner body (14, 40) is removed from the sleeve (4), come out of engagement.
  10. Dirty-cloth takeup roller according to Claim 8 or 9, characterized in that at at least one end of the inner body (14, 40), a freewheel drive (34, 36) is provided, by means of which a rotational drive torque can be transmitted from a bearing element (38) to the inner body (14, 40) only in one direction of rotation, but the bearing element (38) can be rotated freely relative to the inner body (14, 40) in the opposite direction of rotation.
EP01927872A 2000-04-08 2001-04-05 Cleaning-cloth roller for cleaning devices Expired - Lifetime EP1272349B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10018425 2000-04-08
DE10018425A DE10018425A1 (en) 2000-04-08 2000-04-08 Reel core for cleaning cloth for print cylinder has a sprung edge to grip the rolled material with a simple release action
PCT/EP2001/003857 WO2001076876A1 (en) 2000-04-08 2001-04-05 Cleaning-cloth roller for cleaning devices

Publications (2)

Publication Number Publication Date
EP1272349A1 EP1272349A1 (en) 2003-01-08
EP1272349B1 true EP1272349B1 (en) 2007-07-11

Family

ID=7638669

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EP01927872A Expired - Lifetime EP1272349B1 (en) 2000-04-08 2001-04-05 Cleaning-cloth roller for cleaning devices

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US (1) US20030075064A1 (en)
EP (1) EP1272349B1 (en)
JP (1) JP2003530248A (en)
CN (1) CN1392837A (en)
DE (2) DE10018425A1 (en)
WO (1) WO2001076876A1 (en)

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Publication number Publication date
DE50112713D1 (en) 2007-08-23
DE10018425A1 (en) 2001-10-11
WO2001076876A1 (en) 2001-10-18
JP2003530248A (en) 2003-10-14
US20030075064A1 (en) 2003-04-24
CN1392837A (en) 2003-01-22
EP1272349A1 (en) 2003-01-08

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