EP1140508B1 - Dispositif permettant de nettoyer un rouleau - Google Patents

Dispositif permettant de nettoyer un rouleau Download PDF

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Publication number
EP1140508B1
EP1140508B1 EP99967901A EP99967901A EP1140508B1 EP 1140508 B1 EP1140508 B1 EP 1140508B1 EP 99967901 A EP99967901 A EP 99967901A EP 99967901 A EP99967901 A EP 99967901A EP 1140508 B1 EP1140508 B1 EP 1140508B1
Authority
EP
European Patent Office
Prior art keywords
brush
cleaning
roller
carriage
line
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
EP99967901A
Other languages
German (de)
English (en)
Other versions
EP1140508A2 (fr
Inventor
Horst Bernhard Michalik
Manfred Wolfgang Hartmann
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1140508A2 publication Critical patent/EP1140508A2/fr
Application granted granted Critical
Publication of EP1140508B1 publication Critical patent/EP1140508B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41P2235/21—Scrapers, e.g. absorbent pads
    • 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

Definitions

  • the invention relates to a device for cleaning a roller of a rotary printing press according to the Preamble of claim 1.
  • EP 06 93 378 B1 describes a device for Cleaning rollers known in which one Brush roller guided along the roller to be cleaned and at the same time a cleaning liquid in the Inlet gap of both rollers is introduced.
  • the Device contains a reservoir for Cleaning liquid and a container for too removing dirt particles.
  • US-PS 51 48 746 is one Printing plate cleaning device become known at which is a rotatable moistened from the outside frustoconical brush inclined, d. H. in a spike Angle to the radial, adjustable on the plate cylinder is so that only part of the brush with the Plate surface is in contact.
  • the brush is also chamfered in its edge zone so that a circular section of the brush with the Plate surface can be brought into contact.
  • EP 07 47 217 A2 shows a cleaning device for Printing press cylinder, with two in the circumferential direction of the cylinder arranged rotatingly offset from each other Brushes are provided.
  • the post-published DE 197 34 103 A1 discloses one Device for developing cylindrical Surfaces where a brush and a squeegee in are axially movable together.
  • DE 20 13 563 A shows a cleaning device with wedge-like squeegee.
  • the invention has for its object a Device for cleaning a roller To create rotary printing press.
  • Another advantage is that just before A paint release agent can be applied to start production can.
  • the cleaning device according to the invention the generation of paper waste is avoided, which must be disposed of as hazardous waste. Furthermore, by eliminating or avoiding one Dirt build-up on the roller, e.g. B. paper guide roller, avoiding wrinkling of the paper web.
  • the device 01 exists from an axis parallel to the paper guide roller 04 arranged, side frame-fixed slide guide 06, which one in the x-direction of a right-angled one, spatial coordinate system movable carriage 07 receives.
  • the carriage 07 carries an approximately box-shaped Housing 08, which on its paper guide roller 04 facing side has an opening 09.
  • Cleaning elements e.g. B. two side by side and in the radial direction z the Paper guide roller 04 can be pushed back and forth and against the wall of the housing 08 fixable brush holder 11; 12 arranged.
  • Each of the brush holders 11; 12 takes z. B. two superposed brushes 13, 14 or 16, 17.
  • Each brush 13, 14; 16, 17 is each on a brush holder 11; 12 arranged Hollow shaft 18 rotatably mounted.
  • Two on top of each other Brushes 13, 14 and 16, 17 located are from a on the brush holder 11; 12 flanged motor 19; 21 z. B. electric motor, via a gear 22; 23 driven.
  • Each brush 13, 14; 16, 17 points in the direction Paper guide roller 04 extending rotatable brush head ' 24 on.
  • the brush head 24 is a forehead brush circular or annular bristle trim. Instead of bristles, plastic sponges can also be used be used.
  • An axis of rotation 20 of each brush 13, 14; 16, 17 runs axially parallel to the z-axis of the called coordinate system.
  • Each hollow shaft 18 supports at its end near the roller, a spray nozzle 26, one Centric nozzle opening in each brush head 24 is arranged.
  • the direction of rotation of the brush heads 24 always runs in opposite directions. This is achieved in that the with the pairs of brushes 13, 14 and 16, 17 cooperating motors 19 and 21 co-rotating turn towards each other.
  • each Brush head 24 Only the one in the immediate vicinity of one in the z direction extending axis 27 located parts of each Brush head 24 are with the outer surface 28 of the Paper guide roller 04 in contact. The one from the horizontal Axis 27 parts more distant each Brush head 24 are not in contact with the Shell surface 28 of the paper guide roller 04.
  • An axis of rotation 20 of the cleaning elements 13; 14; 16; 17 closes with one through the contact zone of Cleaning elements 13; 14; 16; 17 and roller 04 extending radial an opening angle of -45 ° to + 45 ° on.
  • each brush 13, 14; 16, 17 is via a pressure line 29 with a Pump unit 31 connected, the motor 32, z. B.
  • Electric motor via electrical lines 33 with a electrical socket 34 fastened to the housing 08 communicates.
  • the pump unit 31 is again via a suction line 36 with a storage container 37 for liquid, e.g. B. cleaning liquid or liquid release agent, connected.
  • liquid e.g. B. cleaning liquid or liquid release agent
  • the storage container 37 has a housing-near Filling port 38 for liquid and an associated one Check valve 39 and an overflow line 41.
  • the housing 08 is on its underside as a sump 42 designed for liquid and dirt particles, which via a suction line 43 with a housing Disposal connection 45 and an associated Check valve 44 is connected.
  • the motors 19; 21 are each by means of electrical Lines 68; 69 connected to the socket 34.
  • a belt drive wheel 46 with motor 47, e.g. B. Electric motor, and z. B. three more Belt deflection wheels 48 and between the side frames 02; 03 guided carriage drive belt 49 arranged.
  • the Wheels 46; 48 are each rotatable slide guide-fixed pin 51 stored.
  • the Carriage drive belt 49 is by means of a coupling 52, z. B. a bolt with clamping device with the Carriage 07 releasably connected.
  • the engine 47 is over an electrical line 50 with a central one electrical line 88 connected (Fig. 3).
  • the carriage 07 has a carriage-fixed contact piece 65, e.g. B. on a bolt (Fig. 2), which in the Hinund Moving the carriage 07 into a left or right end position A or B each with one carriage-fixed end position sensor 53 or 54 corresponds (Figs. 2 and 3).
  • the end position sensors 53; 54 are each via electrical lines 86; 87 with the central electrical line 88 to the machine control center connected. The same applies to the electrical Socket 34.
  • the end position sensors 53; 54 is the Motor 47 of the carriage drive can be switched off.
  • This auxiliary drive 56 is, for. B. from one two-armed shaft 57 mounted on a carriage-fixed pivotably arranged lever 58, which on its a rotatably mounted shaft near the paper guide roller end 59 with a z. B. rubber coated drive roller 61 and a non-rotatably arranged Belt pulley 62 carries a belt drive 63.
  • a Drive pulley 64 of the belt drive 63 is non-rotatable connected to the shaft 57 by a motor 66, z. B. electric motor is driven.
  • a second end of the lever 58 is against the force of one not shown spring by turning on a Solenoid 67 pivotable so that the drive roller 61st is turned on the paper guide roller 04.
  • the motor 66 and the solenoid 67 are each means common electrical lines 71 with the socket 34 connected so that when you turn on the motor 66 also at the same time a pivoting of the lever 58 with the drive roller 61 located thereon.
  • This Auxiliary drive 56 can with appropriate activation of the Motor 66 and the solenoid 67 by one at the beginning electrical signal output during the pulling-in process also used to be a non-powered Paper guide roller before pulling the paper web onto the accelerate the required peripheral speed. The prerequisite for this is that the carriage 07 between two end positions A; B is located.
  • the carriage 07 also has one or two Doctor devices 72; 73 on (Figs. 1 and 2). Each of the Doctor devices 72; 73 is on the left or right End of the x-axis of the carriage 07 in one arranged area near the paper guide roller.
  • each Doctor device 72; 73 consists of one or more Doctor blades, e.g. B, three round or preferably polygonal, z. B. octagonal doctor blades 74; 75; 76 from thin Material, e.g. B. made of abrasion-resistant plastic, for. B. Polyamide, approx. 1 mm thick or made of brass.
  • the Doctor blades 74 to 76 are by means of a carriage-fixed holding device 78 one behind the other each overlapping and around a central axis rotatably arranged so that always one of their eight Working edges 79 on an imaginary work line 81 is applied.
  • the working line 81 runs at an acute angle Alpha, e.g. B. from 3 ° to 8 ° to an imaginary, on the Shell surface 28 of the paper guide roller 04 extending line 84 parallel to the axis of rotation (FIG. 1), so that the distance between the working edges 79 of the doctor blades 74 to 76 with respect to line 84 in the direction of the left and right side part 82; 83 of the sled 07 increased.
  • Alpha e.g. B. from 3 ° to 8 ° to an imaginary
  • the filling connection 38 and the disposal connection 45 of the Carriage 07 is in each case via an intermediate line 89; 91 with a central filling line 92 or with a central disposal line 93 connected.
  • the respective doctor device 72; 73 is in Working direction, d. H. in the axial direction of the roller 04 seen in front of the brushes 13, 14, 16, 17 arranged. Consequently act on the roller 04 two different acting Cleaning elements 13; 14; 16; 17; 72; 73, and act preferably at the same time, d. H. the squeegee device 72; 73 is used for pre-cleaning.
  • the cleaning device can be operated as follows become: One with the central electrical line 88 Sensor 94 connected via an electrical line 95 determines whether a paper web 96 (Figs. 2 and 3) for the drive of the paper guide roller 04 to be cleaned or another roller to be cleaned, e.g. B. one Pull roller, is present. Of course one can Paper web 97 - shown in dashed lines in Fig. 2 - one Wrap paper guide roller 04 through 180 °. Is not Paper web 96; 97 available, so by means of the sensor 94 the solenoid 67 in connection with the motor 66 turned on so that the drive roller 61 rotates. At the same time, the motor 47 is applied so that the Slide 07 from the end position B towards End position A moves.
  • the outer surface 28 of the Paper guide roller 04 only doctored or doctored and sprayed with cleaning liquid or for intensive treatment with the rotating brushes 13, 14; 16, 17 can be edited. In the latter case, d. H. with intensive brush cleaning it is useful to brush holder 11; 12 after reaching withdraw the end position A in the z direction. This prevents the applied Liquid film on the outer surface 28 of the Paper guide roller 04 is destroyed.
  • Moving, e.g. B. retracting the brush holder 11; 12 can by means of a known, not shown remotely controllable actuator, e.g. B. one carriage-fixed servomotor with carriage-mounted Threaded spindle.
  • the storage container 37 can be connected to the filling connection 38 either with cleaning liquid or with liquid Release agents are filled.
  • the from the reservoir 37 The amount of liquid absorbed is sufficient for spraying a roll surface.

Landscapes

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

Claims (6)

  1. Dispositif pour nettoyer un rouleau (04) ou un cylindre d'une machine à imprimer rotative, à l'aide d'au moins un élément de nettoyage (13; 14; 16; 17) rotatif, et au moins un dispositif à racle (72; 73), caractérisé en ce que l'élément de nettoyage rotatif (13; 14; 16; 17) est réalisé sous la forme de brosse frontale, en ce que la brosse frontale (13; 14; 16; 17) et le dispositif à racle (72; 73) sont disposés de façon décalée dans la direction axiale du rouleau (4).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'au moins deux dispositifs à racle (72; 73) sont disposés à distance dans la direction axiale du rouleau (4).
  3. Dispositif selon la revendication 1, caractérisé en ce que le dispositif à racle (72; 73) présente une pluralité de racles (74; 75; 76).
  4. Dispositif selon la revendication 1, caractérisé en ce que le dispositif est disposé de façon à être déplaçable dans la direction axiale du rouleau (04).
  5. Dispositif selon la revendication 1, caractérisé en ce qu'en observant dans la direction de déplacement du dispositif, le dispositif à racle (72; 73) est disposé en amont de la brosse (13; 14; 16; 17).
  6. Dispositif selon la revendication 1, caractérisé en ce que le rouleau (04) est réalisé sous la forme de rouleau conducteur ou de guidage (04).
EP99967901A 1998-12-31 1999-12-24 Dispositif permettant de nettoyer un rouleau Expired - Lifetime EP1140508B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19860858 1998-12-31
DE19860858A DE19860858A1 (de) 1998-12-31 1998-12-31 Vorrichtungen zum Reinigen einer Walze
PCT/DE1999/004086 WO2000040416A2 (fr) 1998-12-31 1999-12-24 Dispositif permettant de nettoyer un rouleau

Publications (2)

Publication Number Publication Date
EP1140508A2 EP1140508A2 (fr) 2001-10-10
EP1140508B1 true EP1140508B1 (fr) 2002-06-19

Family

ID=7893206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99967901A Expired - Lifetime EP1140508B1 (fr) 1998-12-31 1999-12-24 Dispositif permettant de nettoyer un rouleau

Country Status (3)

Country Link
EP (1) EP1140508B1 (fr)
DE (2) DE19860858A1 (fr)
WO (1) WO2000040416A2 (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2013563A1 (en) * 1969-03-20 1971-03-25 Lawrence, Arthur Richard, 8000 München Blanket cylinder for off-set printing press
JPS5426924B2 (fr) * 1974-06-11 1979-09-06
FR2347195A1 (fr) * 1976-04-07 1977-11-04 Hitachi Printing Co Dispositif de depoussierage automatique d'un cylindre d'impression d'une imprimeuse
CH596988A5 (fr) * 1976-09-17 1978-03-31 De La Rue Giori Sa
US4162652A (en) * 1978-05-25 1979-07-31 Roland Offsetmaschinenfabrik Faber & Schleicher Ag Device for cleaning cylinder bearers on printing presses
DD146916A1 (de) * 1979-11-14 1981-03-11 Harald Feustel Vorrichtung zur verhinderung der ablage von druckfarbe auf dem gegendruckzylinder
DE3120983A1 (de) * 1980-05-28 1982-04-29 Dai Nippon Insatsu K.K., Tokyo Vorrichtung zum waschen des gummituchzylinders einer rotations-offsetpresse
FI94038C (fi) * 1988-02-08 1995-07-10 Baldwin Technology Corp Sylinterin puhdistin painokonetta varten
US5148746A (en) * 1988-08-19 1992-09-22 Presstek, Inc. Print-head and plate-cleaning assembly
US5086701A (en) * 1988-11-17 1992-02-11 Baldwin Technology Corp. Printing press blanket cleaner
DE9001239U1 (de) * 1990-02-03 1990-04-05 Conrad, Alfred, 4300 Essen Vorrichtung zum Reinigen der Gummituchzylinder von Rollenoffset-Druckmaschinen
US5213040A (en) * 1991-12-03 1993-05-25 Toshiba Kikai Kabushiki Kaisha Automatic cleaning apparatus for gravure plate cylinders
DE4426079A1 (de) * 1994-07-22 1996-01-25 Baldwin Gegenheimer Gmbh Gerät zur Reinigung von Walzen
DE19520551A1 (de) * 1995-06-06 1996-12-12 Roland Man Druckmasch Verfahren und Vorrichtung zum Reinigen eines Zylinders einer Rotations-Druckmaschine
AU6567498A (en) * 1997-03-18 1998-10-12 Machine Design Services, Inc. Cleaning system for blanket cylinders
DE19734103B4 (de) * 1997-08-07 2008-08-07 Koenig & Bauer Aktiengesellschaft Einrichtung zum Entwickeln von zylindrischen Oberflächen
DE29722183U1 (de) * 1997-12-16 1998-04-30 punktum - Projektberatung für die grafische Industrie GmbH, 79115 Freiburg Gummituchwaschapparat

Also Published As

Publication number Publication date
EP1140508A2 (fr) 2001-10-10
DE59901828D1 (de) 2002-07-25
WO2000040416A2 (fr) 2000-07-13
DE19860858A1 (de) 2000-07-06
WO2000040416B1 (fr) 2000-12-14
WO2000040416A3 (fr) 2000-11-09

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