EP1970132B1 - Dispositif de nettoyage de cylindres - Google Patents

Dispositif de nettoyage de cylindres Download PDF

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Publication number
EP1970132B1
EP1970132B1 EP08101837A EP08101837A EP1970132B1 EP 1970132 B1 EP1970132 B1 EP 1970132B1 EP 08101837 A EP08101837 A EP 08101837A EP 08101837 A EP08101837 A EP 08101837A EP 1970132 B1 EP1970132 B1 EP 1970132B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
rollers
cloth
pressing
cleaning cloth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08101837A
Other languages
German (de)
English (en)
Other versions
EP1970132A1 (fr
Inventor
Uwe Gerhardt
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1970132A1 publication Critical patent/EP1970132A1/fr
Application granted granted Critical
Publication of EP1970132B1 publication Critical patent/EP1970132B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B08B1/30—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices

Definitions

  • the invention relates to a cleaning device according to the preamble of claim 1 and a method for cleaning rolls according to claim 10.
  • the press rolls are contaminated by contact with the sheet printed products or postpress products: color of fresh products, glue sticking, and paper dust formed on previous cutting, folding, perforating settle on the surface of the press rolls.
  • the press rolls must be cleaned regularly. In the state of the art, this is done by two different methods:
  • the DE 103 48 900 B4 describes, for example, a device for pressing sheet-like printed products with two pairs of press rolls, wherein the press rolls of each pair of press rolls can be pneumatically opened, and the spaced-apart press rolls provide good accessibility for manual cleaning.
  • a disadvantage of this solution is that the cleaning must be done manually and that to clean the entire surface of a press roller, the roller must be cleaned alternately and further rotated.
  • the DE 44 33 069 A1 describes a cleaning medium and method for cleaning a sheet guide path.
  • the cleaning medium is formed as a kind of cleaning cloth, which passes through the machine and thereby absorbs dirt particles due to its suction structure.
  • the DE 196 27 748 B4 shows a similarly acting cleaning device for cleaning a lateral surface of a cylinder or a roller in a printing press.
  • a cleaning cloth is removed from a supply roll, pressed by means of a pressure strip on the lateral surface of the cylinder or roller to be cleaned and passed, the irregular surface structure of the cleaning cloth absorbs the dirt, the cleaning power of the cleaning cloth is thus given mainly by the microfiber structure.
  • a cleaning device which can be pivoted by means of pneumatic cylinders to the tape lines.
  • the cleaning device has a arranged on a pivotable bearing lever cleaning cloth, which the Picks up dirt.
  • draw rolls can also be cleaned with this cleaning device.
  • the cleaning device is pressed at certain time intervals or continuously against the ribbon cables or against the draw rollers.
  • the hiring of the cleaning device can either be automated or manual.
  • the cleaning cloth can be further rotated by means of rollers.
  • the cleaning can be further assisted by applying cleaning liquid, which is sprayed directly onto the tape lines or the draw rolls or which is applied to the cleaning cloth. This solution requires a high design effort, especially in the integration of the cleaning device in a folder or other sheet-processing machine.
  • the EP 1 106 355 A1 shows a device for cleaning cylinders of a printing press.
  • brush-like washing rollers are employed on a cylinder to be cleaned, a washing liquid is applied to the washing roller and / or onto the printing cylinder to be cleaned, and the washing roller and printing cylinder are driven.
  • Each printing cylinder must be assigned its own washing roller.
  • a disadvantage of this solution is that each roller to be cleaned is assigned to a washing roller. Sealing measures against spraying the cleaning brushes and a device for controlling the internal detergent household and the drive of the washing rollers require a lot of space and cause high manufacturing costs.
  • Other devices are still from the publications EP-A-0291745 . DE-A-10244218 and EP-A-1155862 known.
  • the object of the present invention is to provide a device for cleaning rolls of a device for pressing and / or transporting sheets, which is a simple cleaning with a high cleaning effect in a simple structure of Cleaning device with little impact on the construction of the entire device for pressing and / or transporting allows.
  • a method for cleaning rolls with such a cleaning device will be described.
  • the device for pressing and / or transporting sheets has at least one press roller pair or a pair of transport rollers and a roller drive.
  • the sheets of paper, cardboard and the like can be printed or unprinted.
  • such a device has two press roller pairs in order to achieve a secure pressing of the sheet. If no pressing force is applied to the press rollers, the press rollers act as transport rollers.
  • the inventive device for cleaning the rollers has a cleaning cloth, which can be introduced via a feed device between the at least one pair of rollers in the sheet transport plane. The cleaning is effected by a relative movement between the fixed cleaning cloth and moving rollers, whereby dirt particles, in particular paper dust and paint, are picked up by the cleaning cloth.
  • the cleaning cloth is mounted on a cloth roll.
  • the cloth roll with the cleaning cloth is rotatably mounted on a shaft.
  • the shaft is mounted in a frame which is fixedly connected to the machine frame of the device for pressing and / or transporting.
  • the cleaning cloth can also be rolled up directly onto the shaft, so that the cloth roll and the shaft form a unit.
  • a gear wheel is flanged onto one end of the shaft of the cleaning device.
  • a pawl is rotatably mounted on the frame of the device for cleaning the rollers. In a first position, the pawl engages the gear and the gear acts as a ratchet wheel.
  • a crank can be attached to one of the two ends of the shaft of the cleaning device.
  • this device has a device for shortening the cleaning cloth.
  • the device for shortening the cleaning cloth can be integrated, for example, in the feeder. This can be used in a simple way used and dirty cleaning cloth separated from the still on the cloth roll cleaning cloth.
  • the device for shortening the cleaning cloth in the simplest case has a cutting edge along which the cleaning cloth is cut off with a knife.
  • a knife with a movable blade which is moved manually or automatically, may also be incorporated in the device for shortening the cleaning cloth.
  • this has a baffle which is enclosed by a cleaning blanket.
  • the cleaning cloth is located on the top and bottom of the baffle closely to this and is guided by the baffle.
  • a feeding device is attached to the device for pressing and / or transporting, in which the device for cleaning the rollers can be inserted.
  • the cleaning device can be locked in the feeder in two different positions, in a first cleaning position and in a second drying position.
  • the device for cleaning the rollers has a device for clamping the cleaning cloth section, which ensures a secure hold of the cleaning cloth during cleaning and then allows a quick change of the cleaning cloth.
  • the device for cleaning the rollers is part of the device for pressing and / or transporting.
  • the device for pressing and / or transporting has splash guard elements, which can be designed as sheets. These are approximately parallel to the rollers on the machine frame of the device for Fixed pressing and / or transport. As a result, prevent the splashguards, that during the cleaning process cleaning fluid other components of the device for pressing and / or transporting, such. B. the roller drive or conveyor belts, contaminated. Below the pairs of rollers and the splash guards a drip pan is attached, which is attached to the machine frame of the device for pressing and / or transporting. Alternatively, a plurality of collecting trays may be mounted under the respective roller pairs and splash guards.
  • the pressing and / or transport rollers of the device for pressing and / or transporting can be cleaned in a particularly advantageous manner.
  • cleaning liquid is applied to the rollers to be cleaned in a first step to carry out the cleaning process.
  • the cleaning liquid acts.
  • a cleaning cloth is introduced into the sheet transport plane between the rollers.
  • the cleaning cloth is locked and driven in a fifth step, the rollers on the roller drive. After completion of the cleaning process, the rollers are stopped and removed the cleaning cloth.
  • the cleaning fluid may be applied to the cleaning cloth.
  • the rollers Before the sheet-pressing and / or transporting apparatus is put into operation again, the rollers must be dried to prevent the printed image from being destroyed by the cleaning liquid when the sheet is printed.
  • a further method step is carried out before the removal of the cleaning cloth.
  • the cleaning cloth is moved from its cleaning position in or opposite to the product transport direction into a second position, a drying position. Subsequently, the rollers are driven again and the rollers dried by the cleaning cloth. Once the rollers have dried, the rollers are stopped and the cleaning cloth removed. Further, the cleaning cloth can also be moved to prevent, for example, the wear of the cloth at the point of contact with the rollers to be cleaned.
  • the cloth can also be moved during the cleaning process with moving rollers in or against the sheet transport direction.
  • a device for pressing and / or transporting 100 of sheets of paper, cardboard and the like during the cleaning process is shown.
  • sheets are transported in the sheet transport direction B through the machine.
  • a first conveyor belt 21 the sheets are taken over by preceding printing or processing machines, further transported by transport rollers 20 and pressed by press rollers 10.
  • Transport rollers 20 and press rollers 10 are each arranged as pairs of rollers. The contact line of a respective pair of rollers lies in the sheet transport plane E.
  • the sheets are discharged from the apparatus for pressing and / or transporting 100.
  • the sheet transport by conveyor belts 21 can be done either by exclusively underlying conveyor belts 21 (not shown) or lying above and below the sheet transport plane E conveyor belts 21 which guide the bow safely.
  • Transport rollers 20 and press rollers 10 are driven by a roller drive 22, wherein the power transmission in Fig. 1 not shown.
  • a cleaning device 200 is attached to the machine frame 101 of the pressing and / or transporting device 100. During cleaning of the rollers 10, 20 of the device for pressing and / or transporting 100, a cleaning cloth 18 is guided by the cleaning device 200 via a feed device 7 between the rollers 10, 20. The cleaning cloth 18 is stationary during the cleaning process, while the rollers 10, 20 are driven, which is indicated by arrows.
  • Parallel to the rollers 10, 20 are approximately vertical splash guards 17, which are fixed to the machine frame 101 of the device for pressing and / or transport 100.
  • the splash guards 17 prevent cleaning liquid is sprayed onto the conveyor belts 21.
  • Under the rollers 10, 20 and the splash guard plates 17 is a drip pan 16. In this are collected by the cleaning cloth 18 and the rollers 10, 20 falling dirt particles and dripping cleaning liquid.
  • the drip pan 16 is connected to the machine frame 101 of the device for pressing and / or transporting 100 so that the drip pan 16 can be easily removed, emptied and cleaned.
  • a first embodiment of a cleaning device 200 is shown.
  • An applied on a shaft 4 cloth roll 1 is mounted by means of two bushings 8 in a frame 5.
  • the frame 5 is connected to the machine frame 101 of the device for pressing and / or transporting 100.
  • the shaft 4 is secured with a screw 9, at its other end it has a hand crank 6.
  • the operation of the cleaning device 200 via the crank 6 results from the in Fig. 2a illustrated side view.
  • a rotatable pawl 3 is mounted on the frame 5 of the cleaning device 200. This engages in a flanged on the shaft 4 ratchet wheel 2 a. This can prevent that cleaning cloth 18 is unintentionally unrolled from the cloth roll 1.
  • the pawl To roll cleaning cloth 18 from the cloth roll 1, the pawl must be disengaged. To do this, it is turned clockwise.
  • the unrolled cleaning cloth 18 is introduced by means of a feed device 7 between the rollers 10, 20.
  • the position of the feed device 7 relative to the sheet transport plane E and the rollers 10, 20 is in Fig. 3 shown.
  • the feeding device 7 has a device for shortening the cleaning cloth 19, which is designed as a simple cutting edge.
  • FIG Fig. 4 An alternative embodiment of a cleaning device 200 is shown in FIG Fig. 4 shown.
  • the cleaning device 200 has a main body as a receiving element 14, in which a clamping wedge 12 can be inserted.
  • a handle 11 is attached to the clamping wedge 12.
  • a guide plate 15 is firmly connected. This is covered with a cleaning cloth 18 for cleaning.
  • the guide plate 15 surrounded on both sides by cleaning cloth 18 is located in the sheet transport plane E and thus between the rollers 10, 20.
  • the cleaning cloth 18 of the cleaning device 200 is easy to change after use.
  • the cleaning device 200 is removed from the feed device 7, the form springs 13 are released and the clamping wedge 12 on the handle 11 is removed from the receiving element 14.
  • the used cleaning cloth 18 is removed, a new blank cleaning cloth 18 is wrapped around the guide plate 15 and the clamping wedge 12 and the clamping wedge 12 is introduced together with the cleaning cloth 18 in the receiving element 14. As a result, the cleaning cloth 18 is clamped.

Claims (11)

  1. Dispositif (200) pour le nettoyage de cylindre (10, 20) d'un dispositif pour presser et/ou transporter (100) des feuilles de papier, de carton et similaire avec au moins une paire de cylindres presseurs (10) ou une paire de cylindres de transport (20) et un entraînement de cylindre (22),
    caractérisé en ce que
    le dispositif (200) pour le nettoyage des cylindres (10, 20) dispose d'un tissu de nettoyage (18) qui peut être introduit par un dispositif d'amenée (7) entre au moins une paire de cylindres (10; 20) dans le plan de transport (E) de la feuille, un mouvement relatif entre le chiffon de nettoyage fixe (18) et les cylindres mobiles (10, 20) provoquant la nettoyage.
  2. Dispositif selon la revendication 1, caractérisé en ce que le tissu de nettoyage (8) est logé sur une bobine de tissu (1).
  3. Dispositif selon la revendication 2, caractérisé en ce que la bobine de tissu (1) est placée rigide à la torsion sur un arbre (4) qui est logé dans un bâti (5) relié fixement au bâti de machine (101) du dispositif de presse et de transport (100).
  4. Dispositif selon la revendication 3, caractérisé en ce que sur une extrémité de l'arbre (4), il est placé une roue dentée (2) et le bâti (5) du dispositif (200) de nettoyage des cylindres (10, 20) présente un cliquet d'arrêt (3) qui s'engage dans une première position dans la roue dentée (2) qui fait office de roue de blocage (2) et qui dans une seconde position libère la roue dentée (2) et en ce qu'à l'autre extrémité de l'arbre (4), une manivelle (6) peut être placée sur l'arbre (4).
  5. Dispositif selon l'une des revendications 2 à 4, caractérisé en ce que le dispositif (200) pour le nettoyage des cylindres (10, 20) dispose d'un dispositif (19) pour raccourcir le tissu de nettoyage (18).
  6. Dispositif selon la revendication 1, caractérisé en ce que le dispositif (200) pour le nettoyage des cylindres (10, 20) dispose d'une tôle déflectrice (15) qui est entourée par une portion (18) du tissu de nettoyage.
  7. Dispositif selon la revendication 6, caractérisé en ce que le dispositif de presse et/ou de transport (100) dispose d'un dispositif d'amenée (7) dans lequel peut être introduit le dispositif (200) pour le nettoyage des cylindres (10, 20) et en ce que le dispositif (200) pour le nettoyage des cylindres (10, 20) dispose d'un dispositif (12, 13) pour coincer la portion de tissu de nettoyage (18).
  8. Dispositif de presse et/ou de transport avec un dispositif selon l'une des revendications 1 à 7.
  9. Dispositif de presse et/ou de transport selon la revendication 8, caractérisé en ce qu'en dessous des paires de cylindres (10, 20), il est prévu au moins un bac de récupération (16) et approximativement parallèlement aux cylindres (10, 20) des tôles de protection (17) contre les éclaboussures qui sont fixées sur le bâti de machine (101) du dispositif (100) de presse et/ou de transport.
  10. Procédé pour le nettoyage de cylindres comportant un dispositif selon l'une des revendications 1 à 7, caractérisé par les étapes suivantes :
    a) Application d'un liquide de nettoyage sur les cylindres (10, 20)
    b) Action du liquide de nettoyage
    c) Introduction d'un tissu de nettoyage (18) dans le plan de transport de feuille (E) entre les cylindres (10, 20),
    d) Blocage du tissu de nettoyage (18),
    e) Entraînement des cylindres (10, 20)
    f) Retrait du tissu de nettoyage (18),
  11. Procédé pour le nettoyage de cylindres selon la revendication 10, comprenant les étapes supplémentaires:
    e1) Déplacement du tissu de nettoyage (18) dans ou à l'encontre de la direction de transport (B) des feuilles,
    e2) Entraînement des cylindres (10, 20).
EP08101837A 2007-03-15 2008-02-21 Dispositif de nettoyage de cylindres Not-in-force EP1970132B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007012434A DE102007012434A1 (de) 2007-03-15 2007-03-15 Vorrichtung zur Reinigung von Walzen

Publications (2)

Publication Number Publication Date
EP1970132A1 EP1970132A1 (fr) 2008-09-17
EP1970132B1 true EP1970132B1 (fr) 2010-01-20

Family

ID=39469330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08101837A Not-in-force EP1970132B1 (fr) 2007-03-15 2008-02-21 Dispositif de nettoyage de cylindres

Country Status (4)

Country Link
EP (1) EP1970132B1 (fr)
AT (1) ATE455601T1 (fr)
DE (2) DE102007012434A1 (fr)
PT (1) PT1970132E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014007446A1 (de) 2014-05-21 2015-11-26 Heidelberger Druckmaschinen Ag Taschenfalzmaschine mit integrierter Bandpresse

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* Cited by examiner, † Cited by third party
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DE102013215305B4 (de) * 2013-08-02 2015-06-25 Maping Kommandiittiyhtiö L. Huotari Vorrichtung und System für das Sammeln von geschmolzenem Klebstoff von einer Klebstoffauftragsrolle und Verfahren zum Entleeren eines Klebstoffbehälters
CN110934322B (zh) * 2020-01-07 2021-12-03 湖北中烟工业有限责任公司 一种四锟压机压制烟草薄片的方法和系统
CN114652224A (zh) * 2020-12-22 2022-06-24 广东美的白色家电技术创新中心有限公司 清洁基站及清洁系统
CN116667776B (zh) * 2023-07-31 2023-09-29 左权县盛隆新能源科技有限公司 一种光伏电站的智能检测维护装置

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DE3908536A1 (de) * 1989-03-16 1990-09-20 Alfred Conrad Verfahren zum reinigen der gummituchzylinder von rollenoffset-druckmaschinen
DE4433069C2 (de) 1994-09-16 1998-09-10 Heidelberger Druckmasch Ag Reinigungsmedium und Verfahren für die Reinigung eines Bogen- beziehungsweise Bahnenführungswegs
DE19627748B4 (de) 1996-07-10 2006-04-20 Heidelberger Druckmaschinen Ag Reinigungseinrichtung an Druckmaschinen
DE19715243B4 (de) * 1997-04-12 2005-03-03 Koenig & Bauer Ag Druckmaschine mit Reinigungseinrichtungen zum Reinigen von Zylindern und Walzen
DE19725505C2 (de) 1997-06-17 2000-11-16 Roland Man Druckmasch Reinigungsvorrichtung zum Reinigen einer Bogenleiteinrichtung in einem Falzapparat
DE19734103B4 (de) * 1997-08-07 2008-08-07 Koenig & Bauer Aktiengesellschaft Einrichtung zum Entwickeln von zylindrischen Oberflächen
DE19850410A1 (de) * 1998-11-02 2000-05-04 Koenig & Bauer Ag Einrichtung zum Reinigen gekrümmter Flächen nach dem Tuchprinzip
EP1106355A1 (fr) 1999-12-06 2001-06-13 Oxy-Dry Maschinen GmbH Dispositif pour nettoyer des cylindres d'une machine d'impression
DE10013626C1 (de) * 2000-03-18 2001-06-13 Friedrich Von Rohrscheidt Verwendung eines saugfähigen und mit Lösungsmittel zumindest teilweise getränkten, dünnen Körpers zur Reinigung von mit einem Laminat in Kontakt kommenden Bauteilen eines Folienlaminators
IT1321267B1 (it) * 2000-05-19 2004-01-08 Marco Corti Metodo e dispositivo per la pulitura dei cilindri in caucciu' dellemacchine da stampa, particolarmente del tipo cosiddette a bobina.
DE10135658B4 (de) * 2001-07-21 2005-03-17 Stranz, Andreas H., Dipl.-Ing.(FH) Verfahren und Vorrichtung zur Reinigung der Oberfläche eines Rotationskörpers
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DE10348900B4 (de) 2003-10-16 2006-03-09 Palamides Gmbh Vorrichtung zum Pressen von flächigen Druckereierzeugnissen
DE102004062114B4 (de) * 2004-12-23 2015-04-16 Koenig & Bauer Aktiengesellschaft Verfahren zum Reinigen mehrerer Zylinder eines Druckwerkes einer Druckmaschine
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014007446A1 (de) 2014-05-21 2015-11-26 Heidelberger Druckmaschinen Ag Taschenfalzmaschine mit integrierter Bandpresse
EP2960193A1 (fr) 2014-05-21 2015-12-30 Heidelberger Druckmaschinen AG Plieuse à poches comprenant une presse intégrée

Also Published As

Publication number Publication date
DE102007012434A1 (de) 2008-09-18
PT1970132E (pt) 2010-04-12
ATE455601T1 (de) 2010-02-15
DE502008000319D1 (de) 2010-03-11
EP1970132A1 (fr) 2008-09-17

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