EP1040922B1 - Method and device for removing ink from a container open at one side - Google Patents
Method and device for removing ink from a container open at one side Download PDFInfo
- 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
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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)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Entfernen von Farbe oder Lack aus einem einseitig offenen Behälter, dem eine Walze zugeordnet ist, in einer Rotationsdruckmaschine nach den Ansprüchen 1 und 2. Die Erfindung eignet sich insbesondere in Offsetrotationsdruckmaschinen zum Entfernen von Farbe aus einem Farbkasten mit einer zugeordneten Farbkastenwalze.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.
Ein Verfahren und eine Vorrichtung dieser Art ist aus der JP-OS 9-57951, mit Offenlegungstag 04.03.1997, bekannt. Oberhalb eines Farbkastens einer Druckmaschine ist eine die Farbe aus dem Farbkasten abrakelnde Schabevorrichtung schwenkbar zum Farbkasten angeordnet. Diese Schabevorrichtung wird bei der Reinigung des Farbkastens herabgefahren, um die sich auf dem Boden des Farbkastens befindliche Farbe mit einem Abstreifmesser der Schabevorrichtung abzuschaben und gleichzeitig in Richtung auf die Farbkastenwalze zu schieben. Die an der rotierenden Farbkastenwalze anhaftende Farbe wird an den Farbwalzenzug des Farbwerkes übertragen und anschließend mittels einer am Ende des Farbwalzenzuges angeordneten Rakeleinrichtung mit Aufnahmebehälter abgeschabt und gesammelt. Die Vorrichtung besteht aus einer Reinigungsvorrichtung zum Entfernen der an den Walzen des Farbwalzenzuges anhaftenden Farbe, ferner der Schabevorrichtung, die über die Oberfläche des Bodens des Farbkastens gleitend die Farbe auf der Oberfläche abschabt und in Richtung Walze schiebt und aus einer oberhalb des Farbkastens angeordneten Schwenkvorrichtung, die die Schabevorrichtung in Richtung Farbkasten hin- und herschwenkt. Weiterhin ist eine Vorrichtung zum Auffangen der zu entfernenden Reinigungs flüssigkeit bzw. Farbe vorgesehen. Von Nachteil ist hierbei, daß eine aufwendige Vorrichtung erforderlich ist und die Farbe über den gesamten Walzenzug des Farbwerkes abgefördert wird.A method and a device of this type is from JP-OS 9-57951, with disclosure date March 4, 1997. 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.
Aus DE-A-42 44 058 ist eine Druckmaschine für Wellpappebogen mit einem Anilox-Farbwerk bekannt. Dieses Farbwerk weist in erster Ausbildung ein Zweiwalzenwerk nach dem Quetsch-Walzenprinzip mit einem gemeinsamen Walzenspalt zur Aufnahme von Farbe auf. Bei einem Farbwechsel wird die Farbzufuhr gestoppt und die noch im Walzenspalt befindliche Farbe aus dem Spalt abgesaugt. Das Zweiwalzenwerk besteht aus einer mit dem Plattenzylinder in Kontakt stehenden Anilox-Farbübertragwalze und einer Quetschwalze. Der Quetschwalze ist zum Abrakeln von an der Quetschwalze anhaftender Farbe ein an- und abstellbarer Abstreifer zugeordnet. Die abgestreifte Farbe wird von einer zugeordneten Farbpfanne aufgenommen. In einer zweiten Ausbildung weist das Flexofarbwerk lediglich eine Farbübertragwalze auf, welche mit einer auf einem Plattenzylinder angeordneten Druckplatte in Kontakt ist. Eine langgestreckte, motorisch betätigbare Anpaßplatte ist umfangsseitig der Farbübertragwalze zugeordnet. Weiterhin ist ein klingenförmiger, an-/abstellbarer Abstreifer benachbart zur Farbübertragwalze angeordnet, so dass auf der Farbübertragwalze geführte Farbe abrakelbar ist und in einer unterhalb des Abstreifers angeordnete Farbpfanne aufgefangen werden kann. Der Farbübertragwalze ist endseitig zusätzlich je ein Auslauf zur Aufnahme von überschüssiger Farbe bzw. von Waschmittel zugeordnet.From 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. In a second embodiment, 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. Furthermore, 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.
Ein weiteres Farbwerk ist aus DE-U-84 01 569 bekannt, welches nach dem Schöpfwalzenprinzip arbeitet. Dabei taucht die Schöpfwalze in einen Behälter mit Farbe ein und führt die Farbe einer ersten Farbwalze mit nachgeordnetem Walzenzug zu. Dieser Farbwalze ist ein Dosiervorrichtung, beispielsweise ein Rakel, an- und abstellbar zugeordnet. Die Farbe wird über den Walzenzug auf einen Farbzylinder übertragen. In Drehrichtung nach der Kontaktstelle von Farbzylinder und einer benachbart zugeordneten Farbauftragwalze, welche mit dem Plattenzylinder in Kontakt ist, ist eine Rakelvorrichtung an den Farbzylinder anstellbar angeordnet. Das vom Plattenzylinder auf den Farbzylinder zurückgespaltete Farbprofil wird an der Rakelvorrichtung entfernt und in den die Schöpfwalze aufnehmenden Farbbehälter zurückgefördert.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. In the direction of rotation after the contact point of Ink cylinder and an adjacent inking roller, which with is in contact with the plate 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.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der eingangs beschriebenen Art zu schaffen, welche die genannten Nachteile vermeiden, die eine Farbe oder einen Lack mit geringem Aufwand aus einem einseitig offenem Farbkasten entfernen und eine verbesserte Reinigung der beteiligten Bauteile erlauben.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.
Gelöst wird die Aufgabe gemäß den Ausbildungsmerkmalen der Ansprüche 1 and 2. Weiterbildungen ergeben sich aus den Unteransprüchen.The task is solved according to the training features of claims 1 and 2. Further training results from the subclaims.
Erfindungsgemäß beziehen sich das Verfahren sowie die Vorrichtung
auf das Entfernen von Farbe oder
Lack, wobei auch wasserbasierende Farben bzw. wasserbasierende
Lacke eingeschlossen sind.
Ein erster Vorteil ist darin begründet, das zum Entfernen der
Farbe oder Lack diese in einem einseitig offenen
Farbkasten in Richtung auf eine zugeordnete Walze aus dem
Farbkasten verdrängt wird.
Weiterhin ist vorteilhaft, daß ein an der Walze anliegendes
Dosiersystem in eine Abstandsstellung (außer Eingriff) zur
Walze gebracht wird, um vorzugsweise einen möglichst großen
Spalt zwischen dem Dosiersystem und der Walze für die nachdrängende
Farbe oder Lack zu schaffen.
Von Vorteil ist weiterhin, daß direkt von der dem einseitig
offenen Behälter zugeordneten Walze die Farbe entfernt wird
und somit die Förderstrecke zum Entfernen von Farbe oder Lack
spürbar verkürzt und die Reinigungszeit
ebenso verkürzt wird.
Das Entfernen von Farbe bzw. Lack aus dem
einseitig offenen Behälter erfolgt insbesondere bei einem According to the invention, 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.
It is also advantageous that 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
Farbwechsel oder dem Wechsel eines Lackes oder nach Druckende. Insbesondere bei schnell trocknenden Farben bzw. Lacken ist es von Vorteil, daß diese direkt an der dem einseitig offenen Farbkasten zugeordneten Walze entfernbar sind. Damit ist auch das Antrocknen von Farbe auf dieser Walze verhinderbar und zusätzliches Waschmittel wird nicht bzw. nur noch in spürbar verminderter Menge benötigt.Color change or a change of paint or after printing. Especially with fast drying colors or varnishes, it is advantageous that these directly the roller assigned to the ink fountain open on one side can be removed are. This also dries up paint this roller can be prevented and additional detergent becomes not needed or only needed in a noticeably reduced amount.
Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Dabei zeigen:
- Fig. 1
- ein Offsetdruckwerk,
- Fig. 2
- eine erfindungsgemäße Vorrichtung,
- Fig. 3
- eine Weiterbildung gem. Fig.2 .
- Fig. 1
- an offset printing unit,
- Fig. 2
- a device according to the invention,
- Fig. 3
- further training according to Fig. 2.
Ein Offsetdruckwerk ist im wesentlichen durch einen eine
Druckform tragenden Plattenzylinder 1 gebildet, der mit einem
Gummituchzylinder 2 in Funktionsverbindung ist. Auf die
Bogenführungssysteme soll hier nicht näher eingegangen werden.
Dem Plattenzylinder 1 ist ein Feuchtwerk 4 und ein
Farbwerk 3 zugeordnet. Das Feuchtwerk 4 besteht aus einer dem
Plattenzylinder 1 zugeordneten Feuchtauftragswalze 5, der
eine Feuchtmittelzuführeinrichtung 12, bestehend aus einem
Feuchtduktor 6, einer Dosierwalze 7 und einem Feuchtmittelbehälter
8, vorgeordnet ist. Der Feuchtauftragwalze 5 ist eine
Brückenwalze 9 sowie eine weitere Reiterwalze 10 zugeordnet.
Das Farbwerk 3 besteht aus mehreren dem Plattenzylinder 1
zugeordneten Farbauftragwalzen 11, welche mit einem Farbwalzenzug
in Funktionsverbindung sind. Endseitig weist der
Farbwalzenzug eine Übertragwalze 15 auf. Zwischen der Übertragwalze
15 und einem einseitig offenen Farbkasten 16 mit
einer zugeordneten Walze 13 ist eine zwischen dieser Walze 13
und der Übertragwalze 15 hin und her pendelnde Heberwalze 14
angeordnet. Die Walze 13 ist eine Farbkastenwalze.
Der Farbkasten 16 weist mit der Oberfläche seines
Bodens eine in Kontakt stehende Schabeeinrichtung 17 auf,
welche in Richtung des benachbarten Doppelpfeiles, bevorzugt
in Linearführungen, auf die Walze 13 zu bzw. von dieser weg
bewegbar ist. Ferner ist zwischen Walze 13 und dem Farbkasten
16 ein Dosiersystem 18 angeordnet, zum Beispiel eine Mehrzahl
von Farbschiebern, welches in Richtung des benachbarten
Doppelpfeiles auf die Walze 13 zu bzw. von dieser weg bewegbar
ist. Unterhalb der Walze 13 ist eine Auffangwanne 19
angeordnet, welche mit einem Rakel 20, das vorzugsweise als
negativ angestelltes Rakelblatt mit der Walze 13 in Kontakt
ist, in Wirkverbindung ist.An offset printing unit is essentially one
Printing plate-bearing plate cylinder 1 formed with a
Blanket cylinder 2 is in functional connection. On the
Bow guide systems will not be discussed in more detail here.
The plate cylinder 1 is a dampening unit 4 and a
Assigned inking
Zum Entfernen von Farbe bzw. Lack insbesondere
bei Druckende oder bei einem Farbwechsel, wird mittels der
bevorzugt in Linearführungen aufgenommenen Schabevorrichtung
17 die Farbe bzw. den Lack in Richtung Walze 13
vorgeschoben und somit von der Oberfläche (des Bodens) des
einseitig offenen Farbkastens 16 verdrängt. Alternativ kann die
Schabevorrichtung 17 auch manuell oder durch sonstige Automatisierungsmittel
betätigt werden.
Das Dosiersystem 18 ist im Rahmen seines Stellbereiches frei
positionierbar und vorzugsweise voll geöffnet, so daß ein
ausreichend großer Spalt 21 zwischen Walze 13 und dem Dosiersystem
18 besteht. Die Größe des Spaltes 21 kann - abhängig
von der Viskosität der Farbe bzw. des Lackes und/oder des
gewünschten Farb-/Lackdurchsatzes im Spalt 21 - unterschiedlich,
d.h. größer oder kleiner, eingestellt werden.
Durch diesen Spalt 21 wird die Farbe bzw. der Lack
abgezogen, am Umfang der Walze 13 anhaftende restliche
Farbe bzw. restlicher Lack wird mittels Rakel 20
abgestreift und in die Auffangwanne 19 abgefördert. Dabei ist
das Rakel 20 in einer Anlagestellung zur Walze 13 verbringbar.
Wird das Rakel 20 nicht benötigt, so ist es in einer
Abstandstellung zur Walze 13 verbringbar. Alternativ ist die
Auffangwanne 19 (mit Rakel 20) in ihrer Lage veränderbar, so
daß der Kontakt zwischen Rakel 20 und Walze 13 aufgehoben
werden kann.
Zum Entfernen der Farbe bzw. des Lackes aus dem einseitig
offenen Farbkasten 16 ist die Heberwalze 14 zur benachbarten
Walze 13 in eine Abstandstellung verbringbar. Bevorzugt ist
dabei die Heberwalze 14 mit der benachbarten Übertragwalze 15
in Kontakt bringbar.To remove paint or varnish, in particular at the end of printing or when changing color, the paint or varnish is advanced in the direction of
The
To remove the paint or varnish from the
In einer Weiterbildung ist die Auffangwanne 19 sowie das
Rakel 20 in den einseitig offenen Farbkasten 16, insbesondere
im unteren Teil, integriert. Die Auffangwanne 19 (mit Rakel
20) ist dabei derart der Walze 13 zugeordnet, daß das an/abstellbare
Rakel 20 mit vorzugsweise negativ angestelltem
Rakelblatt mit der Walze 13 in Wirkverbindung bringbar ist.
Bevorzugt ist die Auffangwanne 19 mit Rakel 20 von dem einseitig
offenen Farbkasten 16 abnehmbar. Alternativ ist die am
Farbkasten 16 angeordnete Auffangwanne 19 (mit Rakel 20), z.B.
mittels Drehgelenk 22, schwenkbar ausgebildet (Fig.3).In a further development, the
In einer Weiterbildung ist die Walze 13 zusätzlich, z.B. nach
Abzug des Hauptteils der Farbe bzw. des Lackes aus dem
Farbkasten, mittels einer Farbwerkswaschvorrichtung reinigbar.
Hierzu wird die Heberwalze 14 in eine zwischen der Walze
13 und der Übertragwalze 15 hin und her gehende Pendelbewegung
versetzt oder in eine Lage verbracht, in der eine ständige
Anlagestellung zwischen der Walze 13 und der Übertragwalze
15 einnehmbar ist. Vorher wird die dem Walzenzug des
Farbwerkes 3 zugeordnete Sprüheinrichtung für Waschmittel
aktiviert. Nachdem das Waschmittel im Walzenzug des Farbwerkes
3 und bis zur Walze 13 verteilt ist, wird das Gemisch aus
Waschmittel und Farbe von einer der in Drehrichtung des
Plattenzylinders 1 letzten Walzen des Farbwerkes 3 mittels
einer an-/abstellbaren Rakeleinrichtung mit Auffangwanne
abgestreift. In a further development, the
- 1 -1 -
- Plattenzylinderplate cylinder
- 2 -2 -
- GummituchzylinderBlanket cylinder
- 3 -3 -
- Farbwerkinking
- 4 -4 -
- Feuchtwerkdampening
- 5 -5 -
- FeuchtauftragwalzeDampener roller
- 6 -6 -
- Feuchtduktordampening ductor
- 7 -7 -
- Dosierwalzemetering
- 8 -8th -
- FeuchtmittelbehälterDampening solution container
- 9 -9 -
- Brückenwalzebridge roller
- 10 -10 -
- Reiterwalzeriding roller
- 11 -11 -
- FarbauftragwalzeInking roller
- 12 -12 -
- FeuchtmittelzuführeinrichtungFeuchtmittelzuführeinrichtung
- 13 -13 -
- Walzeroller
- 14 -14 -
- Heberwalzevibrator roller
- 15 -15 -
- ÜbertragwalzeTransfer roll
- 16 -16 -
- Farbkastenpaintbox
- 17 -17 -
- SchabeeinrichtungScraper means
- 18 -18 -
- Dosiersystemdosing
- 19 -19 -
- Auffangwannedrip tray
- 20 -20 -
- Rakeldoctor
- 21 -21 -
- Spaltgap
- 22 -22 -
- Drehgelenkswivel
Claims (6)
- Method for removing ink or varnish from an ink fountain (16) open at one side to which is fitted a roller (13) with a downstream arranged roller train, in a rotary printing press, with a scraping device (17) movable on the surface of the ink fountain (16) and bringing the ink or the varnish in the direction of the roller (13), which impels the ink or the varnish in the ink fountain (16) in the direction towards the roller (13), wherein a metering system arranged between roller (13) and ink fountain (16) is moved into a set off position removed from the roller (13) leaving free a nip (21), wherein the ink or the varnish impelled in the direction of the roller (13) is drawn off through the nip (21) and is fed into a catch basin (19) and wherein the ink or the varnish located on the periphery of the roller (13) is stripped off directly from this roller (13) and is fed into the catch basin (19).
- Device for removing ink or varnish from an ink fountain (16) open at one side, to which is fitted a roller (13) with a downstream arranged roller train, in a rotary printing press with a scraping device (17) movable on the surface of the ink fountain (16) and bringing the ink or the varnish in the direction towards the roller (13), wherein the scraping device (17) is movable in a linear guide arranged on the ink fountain (16) towards roller (13), or away from this roller (13), wherein between the roller (13) and the ink fountain (16) is arranged a metering system (18) movable into a set on position or into a set away position relative to the roller (13), wherein, in the set away position of the metering system (18) between the metering system (18) and the roller (13), a nip (21) can be adjusted and wherein below the roller (13) a catch basin (19) is arranged and wherein, for feeding away the ink or the varnish into the catch basin (19), the nip (21) formed between the metering system (18) and the roller (13) serves as well as a doctor (20) which can be set on and off being fitted to the roller (13).
- Device according to Claim 2, characterised in that the doctor (20) can be set negatively relative to the direction of rotation of the roller (13).
- Device according to at least Claim 2, characterised in that the catch basin (19) with doctor (20) is integrated into the ink fountain (16).
- Device according to Claim 4, characterised in that the catch basin (19) with doctor (20) can be removed from the ink fountain (16).
- Device according to Claim 4, characterised in that the catch basin (19) with doctor (20) is arranged swivellably on the ink fountain (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19914099A DE19914099C1 (en) | 1999-03-27 | 1999-03-27 | Method and apparatus for removing color from objects has rollers and collection bath |
| DE19914099 | 1999-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1040922A1 EP1040922A1 (en) | 2000-10-04 |
| EP1040922B1 true EP1040922B1 (en) | 2003-05-07 |
Family
ID=7902744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00105127A Expired - Lifetime EP1040922B1 (en) | 1999-03-27 | 2000-03-10 | Method and device for removing ink from a container open at one side |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6386105B1 (en) |
| EP (1) | EP1040922B1 (en) |
| JP (1) | JP2000280451A (en) |
| AT (1) | ATE239616T1 (en) |
| DE (2) | DE19914099C1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1197333B1 (en) * | 2000-10-13 | 2006-03-01 | Fischer & Krecke GmbH & Co. | Flexographic printing press with a washing device for the impression cylinder |
| DE102009018155A1 (en) * | 2009-04-21 | 2010-11-11 | Technotrans Ag | Car wash for printing press |
| JP6067272B2 (en) * | 2011-08-17 | 2017-01-25 | 株式会社小森コーポレーション | Ink supply device for printing press |
| MX2019014325A (en) * | 2017-06-01 | 2020-01-27 | Imer Co Ltd | Device for cleaning ink reservoir, printing machine, and method for cleaning ink reservoir. |
| BR112020005225A2 (en) * | 2017-09-22 | 2020-09-15 | Bobst Firenze S.R.L. | ink pass system with built-in color correction |
| DE102022100518A1 (en) | 2022-01-11 | 2023-07-13 | Koenig & Bauer Ag | Process for cleaning an inking unit and inking unit |
Family Cites Families (11)
| 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 (en) * | 1984-01-20 | 1988-07-07 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Inking unit for inking the plate of a plate cylinder of rotary printing machines |
| 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 (en) * | 1995-05-22 | 1997-08-14 | Heidelberg Harris Sa | INK FROM A ROTARY PRINTING MACHINE |
| JPH0958951A (en) | 1995-08-22 | 1997-03-04 | Mitsubishi Denki Bill Techno Service Kk | Cage of dumbwaiter |
| JPH0957951A (en) * | 1995-08-30 | 1997-03-04 | Mitsubishi Heavy Ind Ltd | Automatic cleaning method of ink fountain and device therefor |
| DE29602257U1 (en) * | 1996-02-09 | 1996-03-28 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Chamber squeegee |
| DE69909357T2 (en) * | 1998-04-23 | 2004-06-09 | Umetani Mfg. Co. Ltd., Kishiwada | Corrugated cardboard printing machine and method for cleaning the machine's ink fountain |
-
1999
- 1999-03-27 DE DE19914099A patent/DE19914099C1/en not_active Expired - Lifetime
-
2000
- 2000-02-21 JP JP2000042540A patent/JP2000280451A/en not_active Withdrawn
- 2000-03-10 DE DE50002039T patent/DE50002039D1/en not_active Expired - Lifetime
- 2000-03-10 EP EP00105127A patent/EP1040922B1/en not_active Expired - Lifetime
- 2000-03-10 AT AT00105127T patent/ATE239616T1/en not_active IP Right Cessation
- 2000-03-27 US US09/535,326 patent/US6386105B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE239616T1 (en) | 2003-05-15 |
| EP1040922A1 (en) | 2000-10-04 |
| JP2000280451A (en) | 2000-10-10 |
| DE50002039D1 (en) | 2003-06-12 |
| US6386105B1 (en) | 2002-05-14 |
| DE19914099C1 (en) | 2000-06-21 |
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