EP0916490A2 - Inking unit for a rotary printing machine - Google Patents
Inking unit for a rotary printing machine Download PDFInfo
- Publication number
- EP0916490A2 EP0916490A2 EP99101488A EP99101488A EP0916490A2 EP 0916490 A2 EP0916490 A2 EP 0916490A2 EP 99101488 A EP99101488 A EP 99101488A EP 99101488 A EP99101488 A EP 99101488A EP 0916490 A2 EP0916490 A2 EP 0916490A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- doctor blade
- inking unit
- chamber
- doctor
- 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.)
- Granted
Links
- 238000007639 printing Methods 0.000 title abstract description 7
- 238000007774 anilox coating Methods 0.000 claims description 3
- 238000007646 gravure printing Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 9
- 239000003086 colorant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/027—Ink rail devices for inking ink rollers
Definitions
- the invention relates to an inking unit for a Rotary printing machine according to the preamble of Claim 1.
- EP 06 63 293 A1 (according to Art 54 (3) EPC) and EP 04 99 982 A1 show a screen roller that can be set Chamber squeegee.
- the chambered doctor blades are on a carrier for Starting and stopping pivoted.
- the invention has for its object an inking unit with chamber doctor blade for inking a roller z.
- the invention is particularly advantageous achieved that always the same doctor chambers in Adjustments can be used, though the diameter of the cylinders to be colored is Can change order to order, but also from machine to machine. It would only be the side sealing lips exchange.
- an anilox roller or Gravure cylinder (can be rasterized) is one a total of 7 chamber doctor blade device against an adjustable, frame-fixed stop 5 employable.
- the stop 5 is in a horizontal Plane and perpendicular to a rotation axis 8 of the Cylinder 6 adjustable; as well as the Chamber doctor device 7.
- the chamber doctor device 7 consists of a to the axis of rotation 8 of the Cylinder 6 support body 9 extending axially parallel, which one running parallel to the axis of rotation 8 and open channel 10 in the direction of the forme cylinder 6 has a length l.
- the carrier body 9 is each with a striking plate 11, 12 locked.
- doctor blades 16, 17 are arranged, which each face the cylinder 6 Edge in the direction parallel to the axis of rotation 8 rest on the outer surface 18 of the cylinder 6.
- the doctor blade 16 is designed as a closing doctor blade and is from one on the outer surface 18 of the Fig. 2 in Clockwise rotating cylinder 6, axis-parallel line happens first.
- the doctor blade 17 is executed as a working squeegee. Both doctor blades 16, 17 are each by a known doctor holder 19, 21, z. B. one extending in the axial direction strip-shaped terminal strip held.
- the channel 10 in A doctor chamber forms a connection with the doctor blades 16, 17 22, which via one or more feed lines 25, the e.g. B.
- the cylinder 6 has a bale length m by an amount of two same partial lengths x is greater than the length l of the Chamber doctor blade device 7.
- the carrier body 9 of the Chamber doctor device 7 is pivotable on a first End 23 of one or more swivel arms 24 stored.
- a second end 26 of the swivel arms 24 is shown in FIG a side frame fixed axle 27 mounted, so that the entire doctor blade device 7 to the Cylinder 6 can be swung in and out via the stop 5.
- the entire doctor blade device 7 is in axially parallel direction to cylinder 6 changeable arranged.
- a trough 28 is arranged below the cylinder 6, which may be from the doctor blade device 7 running gravure ink fields and over a drain 29 and a pipe 31 symbolically shown and designated a total of 32 Feeder is fed, via which new Gravure ink is added, if necessary cooled and the mixed gravure ink via a pipe 33 the Doctor chamber 22 is fed back (only in Fig. 1st shown).
- cylinder 6 Above cylinder 6 is a cylinder 6 pressing, rotatable impression 34 arranged, which on both sides via its pivot 37, 38 in rocker 39, 41 stored and each with a side frame fixed and height-adjustable sled, not shown is positively and positively connected.
- the bale length m of the cylinder 6 can, for. B. between two and three meters.
- the respective partial length x can e.g. B. are each 50 mm.
- doctor chamber 22 in spaced axially parallel to each other Arrange spray nozzles for spraying gravure ink.
- This can e.g. B. by means of in the doctor blade chamber 22nd located tube and closed at its ends happen, which over several supply lines with Gravure ink is applied and which by in bores extending axially. excess or scraped rotogravure ink can over in the axially parallel direction in the doctor blade 16 - Squeegee - drilled holes in the Trough 28 and the feed device 32 returned become.
- the bale length m of the cylinder 6 can be between two and three meters.
- the respective front Partial length x can e.g. B. each up to 50 mm (less pressure Space), as well as the distance y (not between two chamber doctor blade devices, provided it is multi-part chamber doctor blade devices deals with different printing inks.
- the striking plates 11, 12 and the doctor blade 16 can from one color solvent-insoluble plastic, e.g. B. glass fiber reinforced plastic.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
Abstract
Bei einem Farbwerk für eine Rotationsdruckmaschine wird ein Festsetzen der Farbe auf den Stirnseiten des Zylinders dadurch verhindert, daß zum Aufbringen und Abrakeln der Tiefdruckfarbe in achsparalleler Richtung am Zylinder eine oder mehrere Kammerrakel-Einrichtungen angeordnet sind, deren Gesamtlänge geringer ist als die Ballenlänge des Zylinders. Dadurch werden Farbspritzer auf dem Bedruckstoff vermieden. <IMAGE>In an inking unit for a rotary printing press, the ink is prevented from becoming stuck on the end faces of the cylinder by arranging one or more chamber doctor blade devices, the total length of which is less than the barrel length of the cylinder, for applying and scraping off the gravure printing ink in the axis-parallel direction. This prevents ink splashes on the substrate. <IMAGE>
Description
Die Erfindung betrifft ein Farbwerk für eine Rotationsdruckmaschine entsprechend dem Oberbegriff des Anspruches 1.The invention relates to an inking unit for a Rotary printing machine according to the preamble of Claim 1.
Die EP 06 63 293 A1 (gemäß Art 54(3) EPÜ) und die EP 04 99 982 A1 zeigen an eine Rasterwalze anstellbare Kammerrakel. Die Kammerrakel sind auf einem Träger zum An- und Abstellen schwenkbar gelagert.EP 06 63 293 A1 (according to Art 54 (3) EPC) and EP 04 99 982 A1 show a screen roller that can be set Chamber squeegee. The chambered doctor blades are on a carrier for Starting and stopping pivoted.
Der Erfindung liegt die Aufgabe zugrunde, ein Farbwerk mit Kammerrakel zum Einfärben einer Walze z. B. gerasterte Walze oder Tiefdruckformzylinder für eine Rotationsdruckmaschine zu schaffen.The invention has for its object an inking unit with chamber doctor blade for inking a roller z. B. screened roller or gravure cylinder for one To create rotary printing press.
Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is achieved by the features of claim 1 solved.
Durch die Erfindung wird insbesondere der Vorteil erzielt, daß immer die gleichen Rakelkammern in Anstellvorrichtungen verwendet werden können, obwohl sich der Durchmesser der einzufärbenden Zylinder von Auftrag zu Auftrag ändern kann, aber auch von Maschine zu Maschine. Es wären nur die seitlichen Dichtlippen auszutauschen.The invention is particularly advantageous achieved that always the same doctor chambers in Adjustments can be used, though the diameter of the cylinders to be colored is Can change order to order, but also from machine to machine. It would only be the side sealing lips exchange.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung
näher beschrieben.
Die zugehörigen Zeichnungen zeigen
The associated drawings show
An einen über seine Achszapfen 1, 2 in Seitengestellen
3, 4 gelagerten Zylinder 6 z. B. eine Rasterwalze oder
Tiefdruckformzylinder (kann gerastert sein), ist eine
insgesamt mit 7 bezeichnete Kammerrakel-Einrichtung
gegen einen einstellbaren, gestellfesten Anschlag 5
anstellbar. Der Anschlag 5 ist in einer horizontalen
Ebene und rechtwinklig zu einer Rotationsachse 8 des
Zylinders 6 einstellbar; desgleichen die
Kammerrakel-Einrichtung 7. Die Kammerrakel-Einrichtung 7
besteht aus einem sich zur Rotationsachse 8 des
Zylinders 6 achsparallel erstreckenden Trägerkörper 9,
welcher einen parallel zur Rotationsachse 8 verlaufenden
und in Richtung des Formzylinders 6 offenen Kanal 10 mit
einer Länge l aufweist. Der Trägerkörper 9 ist
stirnseitig jeweils mit einem Schließblech 11, 12
verschlossen. An freien Schenkeln 13, 14 des
Trägerkörpers 9 sind jeweils Rakel 16, 17 angeordnet,
welche jeweils mit ihrer dem Zylinder 6 zugewandten
Kante in achsparalleler Richtung zur Rotationsachse 8
auf der Mantelfläche 18 des Zylinders 6 aufliegen.
Die Rakel 16 ist als Schließrakel ausgebildet und wird
von einer auf der Mantelfläche 18 des nach Fig. 2 im
Uhrzeigersinn drehenden Zylinders 6 gedachten,
achsparallelen Linie zuerst passiert. Die Rakel 17 ist
als Arbeitsrakel ausgeführt. Beide Rakel 16, 17 sind
jeweils durch eine bekannte Rakelhalterung 19, 21, z. B.
eine sich in axialer Richtung erstreckende
streifenförmige Klemmleiste gehalten. Der Kanal 10 in
Verbindung mit den Rakeln 16, 17 bildet eine Rakelkammer
22, welche über eine oder mehrere Zuleitungen 25, die
z. B. den Trägerkörper 9 durchdringen, mit
Tiefdruckfarbe gefüllt werden kann. Der Zylinder 6 weist
eine Ballenlänge m auf, die um einen Betrag von zwei
gleichen Teillängen x größer ist als die Länge l der
Kammerrakel-Einrichtung 7. Der Trägerkörper 9 der
Kammerrakel-Einrichtung 7 ist schwenkbar an einem ersten
Ende 23 von einem oder mehreren Schwenkarmen 24
gelagert. Ein zweites Ende 26 der Schwenkarme 24 ist in
einer seitengestellfest gelagerten Achse 27 gelagert, so
daß die gesamte Kammerrakel-Einrichtung 7 an den
Zylinder 6 über den Anschlag 5 an- und abschwenkbar ist.
Die gesamte Kammerrakel-Einrichtung 7 ist in
achsparalleler Richtung zum Zylinder 6 changierbar
angeordnet.To one of his
Unterhalb des Zylinders 6 ist ein Trog 28 angeordnet,
welcher etwaig von der Kammerrakel-Einrichtung 7
ablaufende Tiefdruckfarbe auffängt und über einen Abfluß
29 sowie eine Rohrleitung 31 einer symbolisch
dargestellten und insgesamt mit 32 bezeichneten
Zuführeinrichtung zugeführt wird, über welche neue
Tiefdruckfarbe hinzugegeben wird, ggf. gekühlt sowie die
vermischte Tiefdruckfarbe über eine Rohrleitung 33 der
Rakelkammer 22 wieder zugeführt wird (nur in Fig. 1
dargestellt).A
Oberhalb des Zylinders 6 ist ein auf den Zylinder 6
drückender, rotierbarer Presseur 34 angeordnet, welcher
beidseitig über seine Achszapfen 37, 38 in Schwingen 39,
41 gelagert und jeweils mit einem seitengestellfesten
sowie höhenverstellbaren, nicht dargestellten Schlitten
kraft- und formschlüssig verbunden ist.Above
Zwischen dem Presseur 34 sowie dem Zylinder 6 wird eine
nicht dargestellte Papierbahn bedruckt.Between the
Die Ballenlänge m des Zylinders 6 kann z. B. zwischen
zwei und drei Metern liegen. Die jeweilige Teillänge x
kann z. B. jeweils 50 mm betragen.The bale length m of the
Es ist auch möglich, mehrere Trägerkörper 9 in axialer
Richtung des Zylinders 6 nebeneinander und jeweils durch
einen nichtdargestellten Abstand y voneinander getrennt
anzuordnen, jedoch so, daß die Ballenlänge m des
Zylinders 6 insgesamt eingehalten wird. Mit dieser
Anordnung können nebeneinander verschiedene Farben mit
einem Druckzylinder aufgebracht werden, ohne daß
Farbspritzer eine Verunreinigung des Druckproduktes
herbeiführen bzw. ein Vermischen unterschiedlicher
Druckfarben erfolgt. Dazu ist es jedoch auch
erforderlich, eine der Anzahl der Trägerkörper 9
entsprechende Anzahl von Trögen 28 sowie
Zuführeinrichtungen 32 vorzusehen. It is also possible to have a plurality of carrier bodies 9 in the axial direction
Direction of the
Es ist weiterhin möglich, in der Rakelkammer 22 in
achsparalleler Richtung zueinander beabstandete
Sprühdüsen zum Versprühen von Tiefdruckfarbe anzuordnen.
Dies kann z. B. mittels eines in der Rakelkammer 22
befindlichen und an seinen Enden verschlossenen Rohres
geschehen, welches über mehrere Zuleitungen mit
Tiefdruckfarbe beaufschlagt wird und welche durch in
axialer Richtung verlaufende Bohrungen ausgebracht wird.
überschüssige oder abgerakelte Tiefdruckfarbe kann über
in achsparalleler Richtung in die Rakel 16
- Schließrakel - eingebrachte Ablaufbohrungen in den
Trog 28 sowie die Zuführeinrichtung 32 zurückgeführt
werden.It is also possible to in the
Die Ballenlänge m des Zylinders 6 kann zwischen zwei und
drei Metern liegen. Die jeweilige stirnseitige
Teillänge x kann z. B. jeweils bis zu 50 mm (druckfreier
Raum) betragen, desgleichen der Abstand y (nicht
dargestellt) zwischen zwei Kammerrakel-Einrichtungen,
sofern es sich um mehrteilige Kammerrakel-Einrichtungen
mit verschiedenen Druckfarben handelt. Die Schließbleche
11, 12 sowie die Schließrakel 16 können aus einem
farblösungsmittel-unlöslichen Kunststoff, z. B.
glasfaserverstärktem Kunststoff bestehen. The bale length m of the
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE59509668T DE59509668D1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing press |
| EP99101488A EP0916490B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99101488A EP0916490B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
| EP95105565A EP0737575B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95105565A Division EP0737575B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0916490A2 true EP0916490A2 (en) | 1999-05-19 |
| EP0916490A3 EP0916490A3 (en) | 1999-08-25 |
| EP0916490B1 EP0916490B1 (en) | 2001-10-04 |
Family
ID=8219180
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95105565A Expired - Lifetime EP0737575B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
| EP99101488A Expired - Lifetime EP0916490B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95105565A Expired - Lifetime EP0737575B1 (en) | 1995-04-12 | 1995-04-12 | Inking unit for a rotary printing machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (2) | EP0737575B1 (en) |
| DE (1) | DE59507527D1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3056486B1 (en) * | 1999-06-15 | 2000-06-26 | 株式会社東京機械製作所 | Ink rail for printing press |
| DE102007003944A1 (en) | 2007-01-26 | 2008-08-07 | Koenig & Bauer Aktiengesellschaft | Inking system for a rotary printing machine comprises a doctor blade unit positioned in the frame of a rotary printing machine and having a doctor blade which touches the surface of a roller in a contact line |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0368485A3 (en) * | 1988-10-31 | 1991-01-30 | Seiken Graphics, Inc. | Improvements in or relating to lithographic printing |
| US5103732A (en) * | 1991-02-14 | 1992-04-14 | Ward Holding Company, Inc. | Doctor blade head assembly and printing apparatus therewith |
| DE4401365A1 (en) * | 1994-01-18 | 1995-07-20 | Roland Man Druckmasch | Device for coloring an anilox roller |
-
1995
- 1995-04-12 EP EP95105565A patent/EP0737575B1/en not_active Expired - Lifetime
- 1995-04-12 EP EP99101488A patent/EP0916490B1/en not_active Expired - Lifetime
- 1995-04-12 DE DE59507527T patent/DE59507527D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0916490B1 (en) | 2001-10-04 |
| EP0737575A1 (en) | 1996-10-16 |
| EP0916490A3 (en) | 1999-08-25 |
| EP0737575B1 (en) | 1999-12-29 |
| DE59507527D1 (en) | 2000-02-03 |
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