EP1235685B1 - Mecanisme d'encrage d'une machine d'impression - Google Patents

Mecanisme d'encrage d'une machine d'impression Download PDF

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Publication number
EP1235685B1
EP1235685B1 EP00983149A EP00983149A EP1235685B1 EP 1235685 B1 EP1235685 B1 EP 1235685B1 EP 00983149 A EP00983149 A EP 00983149A EP 00983149 A EP00983149 A EP 00983149A EP 1235685 B1 EP1235685 B1 EP 1235685B1
Authority
EP
European Patent Office
Prior art keywords
roller
inking
inking unit
ink
drivable
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
EP00983149A
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German (de)
English (en)
Other versions
EP1235685A1 (fr
Inventor
Peter Hummel
Robert Ortner
Peter Schramm
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 EP1235685A1 publication Critical patent/EP1235685A1/fr
Application granted granted Critical
Publication of EP1235685B1 publication Critical patent/EP1235685B1/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
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor

Definitions

  • the invention relates to an inking unit for a printing press according to the generic terms of main and secondary claim.
  • an inking unit of this type is for one Printing machine known as an adjustable lifter / film inking unit is operable.
  • the inking unit consists of one Ink fountain with upstream ink fountain roller and one between the ink fountain roller and a downstream inking roller oscillating lifter roller.
  • the lifter roller can be stopped, if in film operation between the ink fountain roller and an additional roller can be adjusted in the downstream inking roller is.
  • a lifter inking unit is known from DE 37 06 602 C2. After that is the ink to be processed by an ink fountain roller as Ink feed roller to a first by means of an inking roller Inking roller (1st inking roller) transferable. Still is a inking roller train downstream of the first inking roller and has several inking rollers resting on a plate cylinder on. It is in the direction of rotation of the plate cylinder a first upstream inking roller with a downstream inking roller by an ink roller coupled.
  • Ink distribution roller there is one in the inking roller above Ink distribution roller arranged, which on the one hand with the Ink supply (ink fountain roller, ink lifter roller and first Ink roller) and on the other hand with a first and a for this purpose, the second roll strand connected in parallel with the am Functional connection of the inking rollers on the plate cylinder is.
  • FR 574 658 is also a lifter inking unit for one Printing machine known in the between the ink fountain roller and the downstream ink fountain roller with single drum roller oscillating inking roller is arranged.
  • the downstream Inking roller is at least in constant frictional contact a first calender roll stored in a variable position assigned, with the ink transport to the roller train between the first calender roll and a downstream second Inking roller is periodically separable.
  • the movement of the Lifter roller is connected with the movement of the calender rollers common curve control coupled.
  • Unwanted vibrations are excited in the inking unit by the moving masses.
  • a lifting stroke occurs due to the impact of the lifting roller on the first inking roller, which excites undesirable vibrations in the inking unit.
  • Color density fluctuations in the inking unit caused by the ink lifter strip also occur, which are reduced by a large number of nip locations (large number of inking rollers in the roller train).
  • the invention is based on the object, an inking unit for to create a printing press that has the disadvantages mentioned avoids that in particular a stable color guide in the Inking unit allowed and a simple structure in the inking roller train allowed.
  • the inking unit according to the invention is that the simple construction according to the invention makes it possible to achieve a noticeable reduction in the number of rollers within the roller train. Another advantage is that there is no siphon in the inking unit. It is also advantageous that the ink is supplied without an inking roller and fluctuations in ink density are noticeably reduced. This means that stable ink guidance can be achieved even with a single drum roller with a small number of inking rollers.
  • Another advantage is that the color flow in the Inking unit specially assigned to the first one of the ink supply Inking roller (1st or 2nd inking device) can be separated in time and at the same time that of the ink feed roller (e.g. the Ink fountain roller) transferred ink film on the outer surface this inking roller (1st or 2nd inking device) is leveled.
  • the ink feed roller e.g. the Ink fountain roller
  • the movement of the ink feed roller preferably with the movement of at least one on the first drivable inking roller (1st inker and / or on the second drivable inking roller (2nd inking device) Calender roll can be coupled to the formation of the accelerate the desired color film.
  • an offset printing press is in a printing unit Inking unit for inking one on a plate cylinder 2 fixable printing form arranged.
  • the plate cylinder 2 is with a blanket cylinder 1 and the blanket cylinder 1 with a bow guide cylinder in functional connection.
  • a dampening unit 3 with a dampening solution tank 4 assigned.
  • the dampening unit 3 is preferred can be integrated into the inking unit using a switchable bridge roller.
  • the printing unit is also available in dry offset (dampening solution-free offset printing) operable. That’s it Dampening unit 3 or at least the dampening roller from the plate cylinder 2 separable and / or at least from the dampening solution supply separable or the printing unit is without a dampening unit 3 trained.
  • the inking unit consists, among other things, of an ink feed system, which at least consists of a drivable, colorable Ink feed roller 15 is formed.
  • the ink feed roller 15 is an ink fountain roller, which with a Ink metering device and an ink fountain 16 in functional connection is.
  • the ink supply system is also an alternative by means of at least one of the ink feed roller 15 directly assigned, preferably axially to the ink feed roller 15 movable paint dispenser executable.
  • the ink feed roller 15 with a Inking unit directly downstream of the first inking roller 14 (1st color driver) in functional connection this first Inking roller 14 preferably axially changeable and in particular can be driven in rotation.
  • the first inking roller 14 (1st color driver) is arranged after a single drum roller, which among other things With a plurality of inking rollers assigned to the plate cylinder 2 5 is in functional connection.
  • the drivable first inking roller 14 is followed by several, in the present example three, transfer rollers 12.
  • a transfer roller 12 is followed by a second inking unit roller 9 (2nd inking device), which is preferably axially changeable and in particular can be driven in rotation.
  • the second inking roller 9 is frictionally associated with a first calender roller 10 in constant contact on the roller circumference, which periodically can be brought into a functional connection with an ink roller 7 following here in the direction of the plate cylinder 1, here a distributor roller.
  • This inking roller 7 is preferably in direct contact with two inking rollers 5 assigned to the plate cylinder 2 (2nd and 3rd inking rollers in the direction of rotation of the plate cylinder).
  • the ink transport can be separated by the movable calender roller 10 to the roller train with at least one inking roller 5 at a separation point.
  • the second inking roller 9 is additional to the first calender roll 10 a transfer roll 11 in assigned constant contact.
  • These inking rollers 5 are in the direction of rotation of the plate cylinder 2 arranged as first and second inking rollers 5.
  • the ink supply roller 15 with a Setting system 13 in functional connection.
  • this is an eccentrically adjustable cam roller for adjustment a gap 19 between the ink feed roller 15 and the directly assigned first inking unit roller 14 (FIGS. 1 and 2).
  • the setting system 13 with an option is preferred fixed or portable stop 18, alternatively a control curve, in contact.
  • the gap size is preferably less than 1 mm. This is where the ink is fed from the ink feed roller 15 directly to the first inking roller 14 by means of color splitting. So that is in the gap 19 constant size an uninterrupted, thin layer of paint (Color film) in the subsequent roller train of the inking unit transferable so that as shown in Fig.1 a constant There is ink supply in the inking unit.
  • the ink fountain 16 with the ink supply roller 15 is mounted in at least one swivel joint 17 in an axis of rotation.
  • the ink fountain 16 can be pivoted with the ink supply roller 15 (and ink metering device) by means of at least one actuating device in the swivel joint 17 and intermittently toward the first inking unit roller 14 mounted on the frame or can be moved away therefrom.
  • at least one working cylinder or at least one portable stop 18 can be used as the actuating device.
  • the gap 19 which has already been defined and set ensures the desired film thickness and that the ink supply roller 15 does not make any contact with the first inking unit roller 14.
  • the set gap 19 is increased beyond the (metered) layer thickness located on the ink supply roller 15, such that the ink film formation to the first inking unit roller 14 is interrupted in cycles.
  • This clocked mode of operation of the ink supply roller 15 is useful, for example, synchronously or asynchronously when the channel of the plate cylinder 2 is passed. This method of operation can also be implemented taking into account the print subject.
  • the transfer roller 11 alternatively also available as a calender roll (2nd calender roll).
  • the transfer roller 11 is in constant frictional engagement Contact to the second inking roller 9 and is with the downstream third inking roller 6 periodically in Contact can be brought.
  • Another training is that of the first inking unit roller 14 (1st color driver) immediately adjacent transfer roller 12 executable as a calender roll.
  • This transfer roller 12 is in constant contact with the first inking roller 14 and is periodically with the downstream transfer roller 12 in Contact can be brought.
  • Another training is in combination in an inking unit the first inking roller 14, the transfer roller 12 as Calender roller and the second inking roller 9 at least assigned a calender roll 10.
  • the inking unit according to Figures 1 and 2 is with a relatively long, i.e. many rollers with a corresponding number of nips having, single drum roller executed.
  • the inking unit roller train is wider can be shortened by the transfer rollers 12 and the first inking roller 14 (1st color driver) are eliminated.
  • the ink feed takes place at least by means of the colorable, with an adjustment system 13 functionally connected ink feed roller 15 directly on the preferably axially changeable and in particular second inking roller 9 that can be driven in rotation (2.Farrowiber). Between the rollers 15, 9 is by means of an adjustment system 13 a defined gap 19 can be fixed.
  • the second Inking roller 9 is again the first on the circumference Calender roll 10 assigned in constant frictional contact, which periodically with the plate cylinder 1 subsequent inking unit roller 7 (distributor roller), which in turn is in contact with two inking rollers 5, in functional connection is feasible.
  • the calender roll 10 is in frictional engagement to the inking unit roller 9 mounted so that the Ink transport to the roller train with at least one inking roller 5 is periodically separable at a separation point.
  • the second inking roller 9 is additionally in circumference constant contact assigned the transfer roller 11.
  • Plate cylinder 2 In the direction Plate cylinder 2 is in constant contact with the transfer roller 11 this is the preferably axially changeable and in particular third inking roller 6 which can be driven in rotation (3rd color driver) subordinate, which with the following two inking rollers 5 (1st and 2nd inking rollers) in Contact is.
  • 3rd color driver 3rd color driver
  • FIG. 3-5 is preferably in the direction of rotation Ink feed roller 15 in front of the gap 19, the ink metering device arranged.
  • an ink dispenser can be used, which to the ink supply roller 15 is axially movable.
  • FIG 3 is between the ink feed roller 15 and the second inking roller 9 (2nd inking device) at a defined Gap size in the gap 19 for a constant ink supply following second inking unit roller 9 by means of an adjustment system 13 realizable.
  • the ink fountain 16 is included dyeable ink feed roller 15 stopped in the pivot joint 17.
  • the ink is transferred directly from the ink feed roller 15 to the second inking roller 9 by means of ink splitting in Gap 19, the gap size of which is preferably less than 1 mm is.
  • the transfer roller 11 is optionally a calender roller or in constant contact with the second inking roller 9 (2nd ink driver) and to the third inking roller 6 (3rd color driver) switchable. There is a in these trainings periodic or constant color flow over the front-heavy Single drum roller guaranteed. However, the connection between the first calender roll 10 and the inking roll 7 (distribution roll) periodically separable.
  • the ink fountain 16 is with ink feed roller 15 by means of an actuator, e.g. at least one working cylinder or a stop 18 about the axis of the swivel 17 intermittently onto the second inking roller 9 (2nd inking device) too movable or movable away from it.
  • the ink supply roller 15 is the adjustment system 13 (preferably with stop 18) for setting the gap 19 the desired film thickness between the ink feed roller 15 and assigned to the second inking roller 9.
  • the gap 19 ensures here too that there is no contact with the inking roller 9 he follows.
  • Figure 4 is a clocked ink supply (similar to Figure 2) by the preferred pivoting movement of the Ink feed roller 15 can be realized. That the color film formation is interrupted intermittently to the second inking roller 9 that periodically a layer of paint (paint film) in the subsequent Single drum roller is transferable.
  • At least one calender roller 10 and one transfer roller 11 are assigned to the second inking roller 9 (2nd inking device), the transfer roller 11 optionally also being operable as a second calender roller.
  • the calender roller 10 is circumferentially in contact with the second inking roller 9 and can be contacted periodically with the inking roller 7 (distributor roller).
  • the transfer roller 11 is arranged on the circumferential side in constant contact with the second inking roller 9 (2nd inking device) and the downstream third inking unit roller 6 (3rd inking device).
  • the transfer roller 11 can also be designed as a second calender roller (analogous to the calender roller 10), periodically contactable with the third inking roller 6 (3rd inking device).
  • the inking unit is preferably designed analogously to Figure 3.
  • the inkable inking roller 15 with ink fountain 16, if present, can be stopped in the swivel joint 17.
  • a constant ink supply can be achieved through the gap 19 fixed by means of the setting system 13.
  • the inking unit (FIG. 5) is also designed according to FIG. 4.
  • the ink feed roller 15 can be moved in a clocked manner in order to periodically enlarge the defined gap 19 and to realize a clocked ink feed.
  • the second inking roller 9 are gem.
  • Fig. 5 circumferentially two calender rolls 10, 11 (transfer roll 11 as a calender roll) assigned.
  • the ink feed roller 15, which can be driven in rotation is coupled with the pivoting movement of at least the first calender roller 10 (preferably also with the transfer roller 11 as a calender roller) in such a way that the rollers 15, 10, 11 can be driven synchronously.
  • two separate gears can be used, the ink supply roller 15 being optionally drivable synchronously or preferably asynchronously with the first calender roller 10 or with the transfer roller 11.
  • the ink is supplied by means of the drivable, colored one Ink feed roller 15 through the gap 19 to be driven first inking roller 14 (according to Fig. 1-2). Here there is no contact between the ink feed roller 15 and the first Inking unit roller 14.
  • the inking unit roller 14 increases depending on (by means of Adjustment system 13) set film layer thickness Ink from the ink feed roller 15 constant or periodic (with a clocked ink feed roller 15) and leads this to the downstream transfer rollers 12.
  • the printing ink is split by ink fed to the drivable second inking roller 9. is the first frictionally applied to the ink feed roller 15 Transfer roller 12 as swinging around the ink feed roller Calender roller formed, so the ink film on the Ink feed roller 15 leveled and periodically to the next Transfer roller 12 transported.
  • the calender roll 10 is frictionally on the second Inking roller 9 and swings about the axis of the inking roller 9 such that the calender roll 10 in constant frictional engagement Contact with the inking roller 9 remains and at the same time the ink flow to the downstream ink roller 7 is periodically separable.
  • the Calender roller 10 on the outer surface of the inking roller 9 existing color film into a uniform color film.
  • the ink is periodically applied to the inking roller 7 and subsequent to the inking rollers 5, including the fourth inking roller 8, transferred.
  • To the inking unit roller 9 is still the transfer roller 11 in constantly frictional Contact.
  • the transfer roller 11 is preferably optional for the constant transfer of color in contact with the subordinate third inking roller or for periodic transfer of color as a calender roll, analogous to the calender roll 10, trained.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Coating Apparatus (AREA)

Claims (8)

  1. Unité d'encrage pour une machine d'impression, comportant une unité d'amenée d'encre présentant un rouleau d'amenée d'encre pouvant être entraíné et un rouleau d'unité d'encrage pouvant être entraíné ayant au moins un train de rouleaux disposé en aval, ainsi qu'au moins un rouleau d'application d'encre associé à un cylindre porte-plaque,
    caractérisée en ce que le rouleau d'amenée d'encre (15) est en liaison fonctionnelle avec un système de réglage (13), en ce que le rouleau d'amenée d'encre (15) est agencé directement sur un premier rouleau d'unité d'encrage (14) pouvant être entraíné, une fente définie (19) pouvant être fixée, entre ces rouleaux (15, 14), par le système de réglage (13), en ce que plusieurs rouleaux de transfert (12) sont disposés en aval du premier rouleau d'unité d'encrage (14), et en ce qu'un second rouleau d'unité d'encrage (9) pouvant être entraíné suit un rouleau de transfert (12) et est en contact de frottement continu avec au moins un premier rouleau de calandre (10) voisin monté en pouvant modifier sa position, de sorte que le transport d'encre vers le train de rouleaux présentant au moins un rouleau d'application d'encre (5) peut être coupé périodiquement en un point de coupure.
  2. Unité d'encrage pour une machine d'impression, comportant une unité d'amenée d'encre présentant un rouleau d'amenée d'encre pouvant être entraíné et un rouleau d'unité d'encrage pouvant être entraíné ayant au moins un train de rouleaux disposé en aval, ainsi qu'au moins un rouleau d'application d'encre associé à un cylindre porte-plaque,
    caractérisée en ce que le rouleau d'amenée d'encre (15) est en liaison fonctionnelle avec un système de réglage (13), en ce que le rouleau d'amenée d'encre (15) est agencé directement sur un rouleau d'unité d'encrage (9) pouvant être entraíné, une fente définie (19) pouvant être fixée, entre ces rouleaux (15, 9), par le système de réglage (13), en ce qu'au moins un premier rouleau de calandre (10) voisin monté en pouvant modifier sa position est associé au rouleau d'unité d'encrage (9) en contact de frottement continu, de sorte que le transport d'encre vers le train de rouleaux présentant au moins un rouleau d'application d'encre (5) peut être coupé périodiquement en un point de coupure.
  3. Unité d'encrage selon la revendication 1 ou 2,
    caractérisée en ce qu'un rouleau de transfert (11) est associé au second rouleau d'unité d'encrage (9) en contact de frottement continu, lequel est suivi par un troisième rouleau d'unité d'encrage (6) pouvant être entraíné avec des rouleaux d'application d'encre (5).
  4. Unité d'encrage selon la revendication 3,
    caractérisée en ce que le rouleau de transfert (11) est agencé en contact continu par rapport au rouleau d'unité d'encrage (6).
  5. Unité d'encrage selon la revendication 3,
    caractérisée en ce que le rouleau de transfert (11), comme rouleau de calandre, peut être amené en contact périodiquement avec le rouleau d'unité d'encrage (6).
  6. Unité d'encrage selon la revendication 1,
    caractérisée en ce que le rouleau d'amenée d'encre (15) est déplaçable de façon cyclique vers le premier rouleau d'unité d'encrage (14) pouvant être entraíné, pour agrandir périodiquement la fente définie (19).
  7. Unité d'encrage selon la revendication 2,
    caractérisée en ce que le rouleau d'amenée d'encre (15) peut être déplacé de façon cyclique vers le second rouleau d'unité d'encrage (9) pouvant être entraíné, pour agrandir périodiquement la fente définie (19).
  8. Unité d'encrage selon la revendication 1,
    caractérisée en ce que le premier rouleau de transfert (12) associé au premier rouleau d'unité d'encrage (14), en contact de frottement continu par rapport au rouleau d'unité d'encrage (14), est réalisé comme rouleau de calandre dont la position peut être modifiée, et le transport d'encre vers le rouleau de transfert (12) disposé en aval peut être coupé périodiquement.
EP00983149A 1999-11-23 2000-11-21 Mecanisme d'encrage d'une machine d'impression Expired - Lifetime EP1235685B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19956149 1999-11-23
DE19956149A DE19956149A1 (de) 1999-11-23 1999-11-23 Farbwerk für eine Druckmaschine
PCT/EP2000/011549 WO2001038095A1 (fr) 1999-11-23 2000-11-21 Mecanisme d'encrage d'une machine d'impression

Publications (2)

Publication Number Publication Date
EP1235685A1 EP1235685A1 (fr) 2002-09-04
EP1235685B1 true EP1235685B1 (fr) 2003-05-21

Family

ID=7929925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00983149A Expired - Lifetime EP1235685B1 (fr) 1999-11-23 2000-11-21 Mecanisme d'encrage d'une machine d'impression

Country Status (11)

Country Link
US (1) US6871590B1 (fr)
EP (1) EP1235685B1 (fr)
JP (1) JP3759038B2 (fr)
CN (1) CN1198724C (fr)
AT (1) ATE240837T1 (fr)
AU (1) AU2000901A (fr)
CA (1) CA2396684A1 (fr)
CZ (1) CZ299315B6 (fr)
DE (2) DE19956149A1 (fr)
RU (1) RU2225292C1 (fr)
WO (1) WO2001038095A1 (fr)

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DE102010051031A1 (de) 2009-12-11 2011-06-16 Heidelberger Druckmaschinen Ag Farbwerk

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DE10248517B4 (de) 2002-10-17 2009-10-15 Manroland Ag Vorrichtung zur Farbführung in einer Offsetdruckmaschine
DE10352616A1 (de) * 2003-07-11 2005-02-10 Koenig & Bauer Ag Druckwerk einer Druckmaschine
DE102004057817A1 (de) * 2003-12-15 2005-07-14 Heidelberger Druckmaschinen Ag Changiermechanismus für eine Reibwalze einer Druckmaschine
JP3823211B1 (ja) * 2005-03-29 2006-09-20 アイマー・プランニング株式会社 印刷機
CN101495315B (zh) * 2006-05-23 2011-02-02 柯尼格及包尔公开股份有限公司 具有油膜传墨辊的轮转印刷机输墨装置
US8006617B2 (en) * 2006-05-23 2011-08-30 Koenig & Bauer Aktiengesellschaft Assemblies in a printing couple of a rotary printing press
DE102009045922B4 (de) * 2009-10-22 2014-08-14 Koenig & Bauer Aktiengesellschaft Vorrichtung in einem Druckwerk einer Druckmaschine
CN107757117B (zh) * 2017-11-17 2023-12-19 三河市兴达印务有限公司 一种节约墨水的uv印刷机用印刷机构
CN111070887A (zh) * 2019-12-23 2020-04-28 高斯图文印刷系统（中国）有限公司 一种商业轮转胶印机的墨路系统的排列结构
CN112339426A (zh) * 2020-10-28 2021-02-09 广水市众诚机械有限公司 一种用于曲面胶印机的墨站动力系统

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Also Published As

Publication number Publication date
CN1198724C (zh) 2005-04-27
JP2003514697A (ja) 2003-04-22
RU2002116685A (ru) 2004-01-20
WO2001038095A1 (fr) 2001-05-31
CZ299315B6 (cs) 2008-06-18
EP1235685A1 (fr) 2002-09-04
CZ20021762A3 (cs) 2002-10-16
CN1423594A (zh) 2003-06-11
DE50002305D1 (de) 2003-06-26
US6871590B1 (en) 2005-03-29
AU2000901A (en) 2001-06-04
RU2225292C1 (ru) 2004-03-10
CA2396684A1 (fr) 2001-05-31
JP3759038B2 (ja) 2006-03-22
DE19956149A1 (de) 2001-06-07
ATE240837T1 (de) 2003-06-15

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