EP1040922B1 - Procédé et dispositif pour enlever d'encre d'un bac ouvert d'un côté - Google Patents

Procédé et dispositif pour enlever d'encre d'un bac ouvert d'un côté Download PDF

Info

Publication number
EP1040922B1
EP1040922B1 EP00105127A EP00105127A EP1040922B1 EP 1040922 B1 EP1040922 B1 EP 1040922B1 EP 00105127 A EP00105127 A EP 00105127A EP 00105127 A EP00105127 A EP 00105127A EP 1040922 B1 EP1040922 B1 EP 1040922B1
Authority
EP
European Patent Office
Prior art keywords
roller
ink
fountain
ink fountain
varnish
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
EP00105127A
Other languages
German (de)
English (en)
Other versions
EP1040922A1 (fr
Inventor
Dietmar Stahl
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1040922A1 publication Critical patent/EP1040922A1/fr
Application granted granted Critical
Publication of EP1040922B1 publication Critical patent/EP1040922B1/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
    • B41F35/04—Cleaning arrangements or devices for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/20—Ink-removing or collecting devices

Definitions

  • the invention relates to a method and an apparatus for Removing paint or varnish from one side open container, to which a roller is assigned, in a Rotary printing machine according to claims 1 and 2.
  • the invention is particularly suitable in Offset rotary presses for removing color from an ink fountain with an assigned ink fountain roller.
  • a method and a device of this type is from JP-OS 9-57951, with disclosure date March 4, 1997.
  • a color box of a printing press Above a color box of a printing press is a color scraping device scraping off the ink fountain to Color box arranged.
  • This scraper is used in the Cleaning the ink fountain shut down around the on the Paint located at the bottom of the paint box with a doctor knife scrape off the scraping device and at the same time in Towards the ink fountain roller.
  • the on the Rotating ink fountain roller adheres to the paint Transfer roller of the inking unit and then by means of a doctor device arranged at the end of the inking roller train scraped with collecting container and collected.
  • the device consists of a cleaning device for Remove those adhering to the rollers of the inking roller Paint, furthermore the scraping device, which is above the surface from the bottom of the paint box, the paint slides on the surface scrapes and pushes towards the roller and out of one arranged swivel device above the paint box, the the scraping device swings back and forth in the direction of the ink fountain. Furthermore, a device for collecting the Removing cleaning liquid or paint provided. The disadvantage here is that a complex device is required and the color over the entire single drum the inking unit is conveyed away.
  • DE-A-42 44 058 is a printing machine for corrugated sheets with a Anilox inking unit known.
  • This inking unit provides initial training Two-roll mill based on the squeeze roll principle with a common one Roller gap to take up color. With a color change the Ink supply stopped and the ink still in the nip from the Vacuumed gap.
  • the two-roll mill consists of one with the Plate cylinder in contact with anilox ink transfer roller and one Nipper.
  • the squeeze roller is for doctoring on the squeeze roller Adhesive paint assigned a wiper that can be turned on and off. The stripped paint is picked up by an assigned paint pan.
  • the flexo inking unit has only one Ink transfer roller, which with a on a plate cylinder arranged pressure plate is in contact.
  • An elongated, motorized actuatable adapter plate is assigned to the ink transfer roller on the circumference.
  • a blade-shaped, adjustable / removable scraper is adjacent to the Ink transfer roller arranged so that guided on the ink transfer roller Paint can be scraped off and arranged in a below the scraper Paint pan can be caught.
  • the ink transfer roller is on the end in addition, one outlet each for taking up excess color or Detergent assigned.
  • Another inking unit is known from DE-U-84 01 569, which according to Bucket roller principle works.
  • the scoop roller is immersed in a container with color and leads the color of a first ink roller with a subordinate Single drum roller.
  • This ink roller is a metering device, for example a Squeegee, assigned on and off.
  • the color is on over the single drum transfer a color cylinder.
  • a squeegee device is attached to the ink cylinder arranged arranged. That from the plate cylinder to the ink cylinder cleaved color profile is removed on the doctor device and in the Ink tank receiving scoop roller conveyed back.
  • the invention has for its object a method and to create a device of the type described in the introduction, which avoid the disadvantages mentioned, the a paint or varnish with little effort remove a paint box open on one side and an improved one Allow cleaning of the components involved.
  • the method and the device relate to the removal of paint or lacquer, water-based paints or water-based lacquers also being included.
  • a first advantage is based on the fact that, in order to remove the paint or lacquer, it is displaced from the paint box in a paint box open on one side in the direction of an associated roller. It is also advantageous that a metering system lying against the roller is brought into a spaced position (out of engagement) from the roller, in order preferably to create the largest possible gap between the metering system and the roller for the pressing ink or lacquer.
  • the paint is removed directly from the roller assigned to the container that is open on one side, thus noticeably shortening the conveying path for removing paint or varnish and also reducing the cleaning time.
  • the removal of paint or lacquer from the container that is open on one side is carried out in particular with one
  • An offset printing unit is essentially one Printing plate-bearing plate cylinder 1 formed with a Blanket cylinder 2 is in functional connection.
  • the plate cylinder 1 is a dampening unit 4 and a Assigned inking unit 3.
  • the dampening unit 4 consists of one Plate cylinder 1 assigned dampening roller 5, the a dampening solution supply device 12, consisting of a Dampening roller 6, a metering roller 7 and a dampening solution tank 8, is upstream.
  • the dampening roller 5 is one Bridge roller 9 and a further rider roller 10 assigned.
  • the inking unit 3 consists of several plate cylinders 1 assigned inking rollers 11, which with an ink roller train are in functional connection.
  • the Ink roller train a transfer roller 15. Between the transfer roller 15 and a paint box 16 open on one side an associated roller 13 is one between this roller 13 and the transfer roller 15 reciprocating siphon roller 14th arranged.
  • the roller 13 is an ink fountain roller.
  • the ink fountain 16 points with the surface of its A contacting scraper device 17 on the bottom, which is preferred in the direction of the adjacent double arrow in linear guides, towards or away from the roller 13 is movable.
  • a metering system 18 is arranged, for example a plurality of color sliders, which in the direction of the neighboring Double arrow on the roller 13 to and from this movable is.
  • a drip pan 19 is located below the roller 13 arranged with a squeegee 20, which preferably as negatively positioned doctor blade in contact with the roller 13 is in operative connection.
  • the paint or varnish is advanced in the direction of roller 13 by means of the scraper device 17, which is preferably accommodated in linear guides, and is thus displaced from the surface (of the bottom) of the ink box 16, which is open on one side .
  • the scraping device 17 can also be operated manually or by other automation means.
  • the metering system 18 can be freely positioned within its setting range and is preferably fully open, so that there is a sufficiently large gap 21 between the roller 13 and the metering system 18.
  • the size of the gap 21 can - depending on the viscosity of the paint or varnish and / or the desired paint / varnish throughput in the gap 21 - be set differently, ie larger or smaller.
  • the paint or the lacquer is drawn off through this gap 21, residual paint or residual lacquer adhering to the circumference of the roller 13 is stripped off by means of a doctor blade 20 and conveyed into the collecting trough 19.
  • the doctor blade 20 can be brought into a contact position with the roller 13. If the squeegee 20 is not required, it can be moved to a distance from the roller 13. As an alternative, the position of the sump 19 (with doctor 20) can be changed so that the contact between doctor 20 and roller 13 can be removed.
  • the lifting roller 14 can be moved into a spaced position from the adjacent roller 13. The lifting roller 14 can preferably be brought into contact with the adjacent transfer roller 15.
  • the sump 19 and that Squeegee 20 in the ink fountain 16 open on one side, in particular integrated in the lower part.
  • the sump 19 (with squeegee 20) is assigned to the roller 13 in such a way that the adjustable / removable Doctor blade 20 with preferably negative Doctor blade can be brought into operative connection with the roller 13.
  • the collecting trough 19 with a squeegee 20 is preferred on one side open paint box 16 removable.
  • the roller 13 is additionally, e.g. to Subtract the main part of the paint or varnish from the Ink fountain, can be cleaned using an inking unit washing device.
  • the lifter roller 14 is in a between the roller 13 and the transfer roller 15 reciprocating reciprocating movement transferred or placed in a position in which a constant Position between the roller 13 and the transfer roller 15 is ingestible.
  • the roller of the Inking unit 3 assigned spray device for detergent activated.
  • the mixture is made Detergent and color of one of the in the direction of rotation of the Plate cylinder 1 last rollers of the inking unit 3 by means of an adjustable / removable squeegee device with a collecting tray stripped.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (6)

  1. Procédé pour retirer de l'encre ou du vernis d'un encrier (16) ouvert d'un côté, auquel est associé un rouleau (13) avec un train de rouleaux disposé en aval, dans une machine d'impression rotative, comportant un dispositif de raclage (17) mobile sur la surface de l'encrier (16) et amenant l'encre ou le vernis en direction du rouleau (13), lequel déplace l'encre se trouvant dans l'encrier (16) ou le vernis en direction du rouleau (13), un système de dosage (18) agencé entre le rouleau (13) et l'encrier (16) étant déplacé au loin du rouleau (13) dans une position d'écartement libérant une fente (21), l'encre déplacée en direction du rouleau (13) ou le vernis étant tiré à travers la fente (21) et transporté dans une cuve de réception (19), et l'encre se trouvant à la périphérie du rouleau (13) ou le vernis étant directement enlevé de ce rouleau (13) et étant transporté dans la cuve de réception (19).
  2. Dispositif pour retirer de l'encre ou du vernis d'un encrier (16) ouvert d'un côté, auquel est associé un rouleau (13) avec un train de rouleaux disposé en aval, dans une machine d'impression rotative, comportant un dispositif de raclage (17) mobile sur la surface de l'encrier (16) et amenant l'encre ou le vernis en direction du rouleau (13), le dispositif de raclage (17) étant déplaçable, dans un guide linéaire agencé sur l'encrier (16), sur le rouleau (13) vers ou au loin de ce rouleau (13), un système de dosage (18) déplaçable dans une position d'appui ou dans une position d'écartement par rapport au rouleau (13) étant agencé entre le rouleau (13) et l'encrier (16), dans la position d'écartement du système de dosage (18), une fente (21) pouvant être réglée entre le système de dosage (18) et le rouleau (13), et une cuve de réception (19) étant agencée au-dessous du rouleau (13), et la fente (21) formée entre le système de dosage (18) et le rouleau (13) servant à évacuer l'encre ou le vernis dans la cuve de réception (19), et une racle (20) pouvant être approchée et écartée étant associée au rouleau (13).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que la racle (20) est réglable de façon négative par rapport au sens de rotation du rouleau (13).
  4. Dispositif selon au moins la revendication 2,
    caractérisé en ce que la cuve de réception (19) avec la racle (20) est intégrée dans l'encrier (16).
  5. Dispositif selon la revendication 4,
    caractérisé en ce que la cuve de réception (19) avec la racle (20) peut être retirée de l'encrier (16).
  6. Dispositif selon la revendication 4,
    caractérisé en ce que la cuve de réception (19) avec la racle (20) est agencée de façon pivotante sur l'encrier (16).
EP00105127A 1999-03-27 2000-03-10 Procédé et dispositif pour enlever d'encre d'un bac ouvert d'un côté Expired - Lifetime EP1040922B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914099 1999-03-27
DE19914099A DE19914099C1 (de) 1999-03-27 1999-03-27 Verfahren und Vorrichtung zum Entfernen von Farbe oder ähnlichen Medien aus einem einseitig offenen Behälter, dem eine Walze zugeordnet ist, in einer Rotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP1040922A1 EP1040922A1 (fr) 2000-10-04
EP1040922B1 true EP1040922B1 (fr) 2003-05-07

Family

ID=7902744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105127A Expired - Lifetime EP1040922B1 (fr) 1999-03-27 2000-03-10 Procédé et dispositif pour enlever d'encre d'un bac ouvert d'un côté

Country Status (5)

Country Link
US (1) US6386105B1 (fr)
EP (1) EP1040922B1 (fr)
JP (1) JP2000280451A (fr)
AT (1) ATE239616T1 (fr)
DE (2) DE19914099C1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1197333B1 (fr) * 2000-10-13 2006-03-01 Fischer & Krecke GmbH & Co. Machine d'impression flexographique avec un dispositif de nettoyage pour le cylindre d'impression
DE102009018155A1 (de) * 2009-04-21 2010-11-11 Technotrans Ag Waschanlage für Druckmaschine
JP6067272B2 (ja) * 2011-08-17 2017-01-25 株式会社小森コーポレーション 印刷機のインキ供給装置
RU2724593C1 (ru) * 2017-06-01 2020-06-25 Ай.Мер Ко., Лтд. Устройство для очистки красочного ящика, печатная машина и способ очистки красочного ящика
BR112020005225A2 (pt) * 2017-09-22 2020-09-15 Bobst Firenze S.R.L. sistema de passar tinta com correção de cor embutida
DE102022100518A1 (de) 2022-01-11 2023-07-13 Koenig & Bauer Ag Verfahren zur Reinigung eines Farbwerkes und Farbwerk

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB326104A (en) * 1929-05-31 1930-03-06 William James Pirie Means for cleaning the inking rollers of printing machines
DE8401569U1 (de) * 1984-01-20 1988-07-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk zur Einfärbung der Platte eines Plattenzylinders von Rotationsdruckmashinen
US5265535A (en) * 1991-12-28 1993-11-30 Kabushiki Kaisha Isowa Printing machine for corrugated board sheet
US5327830A (en) * 1992-06-12 1994-07-12 Man Roland Druckmaschinen Ag Portable, removable and insertable ink fountain box for a printing machine
US5440982A (en) * 1993-07-01 1995-08-15 Meadows; Stanley J. Inking system for a printing press
US5823110A (en) * 1993-07-20 1998-10-20 I Mar Planning Inc. Inking arrangement for printing presses
FR2734512B1 (fr) * 1995-05-22 1997-08-14 Heidelberg Harris Sa Encrier d'une machine rotative a imprimer
JPH0958951A (ja) 1995-08-22 1997-03-04 Mitsubishi Denki Bill Techno Service Kk ダムウェーターのかご室
JPH0957951A (ja) * 1995-08-30 1997-03-04 Mitsubishi Heavy Ind Ltd インキつぼの自動洗浄方法およびその装置
DE29602257U1 (de) * 1996-02-09 1996-03-28 MAN Roland Druckmaschinen AG, 63075 Offenbach Kammerrakel
DE69909357T2 (de) * 1998-04-23 2004-06-09 Umetani Mfg. Co. Ltd., Kishiwada Druckmaschine für Bogen aus Wellpappe und Verfahren zum Reinigen des Farbkastens der Maschine

Also Published As

Publication number Publication date
US6386105B1 (en) 2002-05-14
DE50002039D1 (de) 2003-06-12
ATE239616T1 (de) 2003-05-15
EP1040922A1 (fr) 2000-10-04
JP2000280451A (ja) 2000-10-10
DE19914099C1 (de) 2000-06-21

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