EP0559076B1 - Procédé et dispositif pour alimenter en encre des rouleaux encreurs dans une machine à imprimer rotative - Google Patents

Procédé et dispositif pour alimenter en encre des rouleaux encreurs dans une machine à imprimer rotative Download PDF

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Publication number
EP0559076B1
EP0559076B1 EP93102927A EP93102927A EP0559076B1 EP 0559076 B1 EP0559076 B1 EP 0559076B1 EP 93102927 A EP93102927 A EP 93102927A EP 93102927 A EP93102927 A EP 93102927A EP 0559076 B1 EP0559076 B1 EP 0559076B1
Authority
EP
European Patent Office
Prior art keywords
tube
bores
ink
jacket
hollow axle
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
EP93102927A
Other languages
German (de)
English (en)
Other versions
EP0559076A1 (fr
Inventor
Claus Barrois
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert 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
Priority claimed from DE4242605A external-priority patent/DE4242605C2/de
Application filed by Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0559076A1 publication Critical patent/EP0559076A1/fr
Application granted granted Critical
Publication of EP0559076B1 publication Critical patent/EP0559076B1/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
    • B41F31/22—Inking arrangements or devices for inking from interior of cylinder

Definitions

  • the invention relates to a method and a device for supplying ink to an application roller for a rotary printing press according to the preamble of patent claims 1 and 2.
  • a rotating ink roller for printing machines in which the printing ink is dispensed from the interior of the ink roller via two mutually adjustable hollow cylindrical bodies with perforations to form a color-permeable outer jacket.
  • the printing ink is pressed through the perforations to the outer jacket by means of a hollow cylinder which can be freely rotated inside the inking roller.
  • a disadvantage of this rotating ink roller is that it has to be brought to a standstill in order to refill the printing ink, ie the printing process is interrupted.
  • a further disadvantage is that only an uneven wetting of the ink-permeable outer jacket occurs due to the support of the freely rotatable hollow cylinder inside the inking roller. At higher speeds of the inking roller, the freely rotatable hollow cylinder arranged inside the inking roller leads to unbalance phenomena, which results in poor print quality.
  • the invention has for its object to provide a method and an apparatus for feeding ink to an application roller for a rotary printing press, which emits ink from the inside of the roller through a jacket made of porous material to the outside of the printing unit, with one during operation and corresponding to the speed-dependent Production conditions of finely adjustable amount of ink that is continuously transferred from the surface of the inking roller to an inking roller.
  • the arrangement of the tubes on one another and the function of the inking roller according to the invention as a whole allow the printing ink to be metered — adapted to the respective production conditions. This is done by regulating the permeability in the radial direction by means of the position of the bores to one another.
  • the same color print is initially applied to all bores that run in the radial direction from the hollow axis, regardless of the position of the ink supply, since the ink take-off between the hollow axis and the first tube can be opened and closed depending on the frequency in order to build up the color print.
  • a pulsating suction and pressure effect is achieved by the pressure and suction effect of the polygonal profile of the surface of the second tube on the porous third jacket tube, resulting in a uniform, homogeneous color film the surface of the ink roller leads.
  • the thickness of this color film can be adjusted due to the adjustable permeability of the hollow axis to the first tube.
  • the device does not need to be cleaned. After use, it can be taken out of the machine uncleaned, in an envelope, e.g. As film, packed and temporarily stored with the same color until the next order. This is particularly advantageous for orders with customer-specific color.
  • FIG. 1 shows the simplified, schematic representation of the arrangement of an inking roller 1 according to the invention in addition to an application roller 2 and a forme cylinder 3 of a printing unit.
  • the ink roller according to the invention designated overall by 1, has a hollow axis 11 with an ink reservoir 10, which by means of ring flanges 12; 13 and screws 14 on a frame 16; 17 is attached.
  • the frame 16; 17 is on the machine frame 18; 19 attached.
  • the hollow shaft 11 is connected via a bore 21 in the frame 17 to an ink supply line 22, which leads to an ink reservoir, not shown, which is pressurized with pressure medium.
  • the hollow axis 11 has holes 24 arranged in a ring on the circumference, which - seen from the axially running center line 23 of the inking roller 1 - run in the radial direction and on the circumference with one another align so that these "rings" are formed, each at a distance from each other.
  • a first tube 26 is arranged concentrically on this hollow shaft 11, which has a tab 27 on one end face, on which a working cylinder 28 is articulated against the frame 17.
  • the working cylinder 28 can be designed as a pneumatic working cylinder and can be connected to a known control device, not shown.
  • the first tube 26 likewise has bores 29 which, viewed from the center line 23 of the inking roller 1, run radially outward, are aligned with one another and are likewise arranged in “rings” and are spaced apart by a.
  • the number of bores 29 per "ring” of the first tube 26 also corresponds to the number of bores 24 per "ring” on the hollow axis 11.
  • Fig. 2 shows the so-called “rings” with the number of holes 29 per "ring". Due to the fact that the working cylinder 28 is connected to the tab 27 of the first tube 26, this can be moved back and forth alternately on the hollow axis 11 in the direction of arrow B, ie alternately by an angle of rotation with an adjustable frequency. This angle of rotation is dimensioned such that it can be the maximum dimension c according to FIG. 2, just enough that the radial bores 24; 29 are either completely permeable with each other or completely closed against each other. This means that the piston of the working cylinder 28 in one end position brings the axial center line 31 of the bores 24 of the hollow axis 11 completely in line with the axially extending center line 32 of the bore 29, so that they are 100% permeable to one another.
  • the other end position of the piston of the working cylinder 28 causes due to the direction of movement B of the first tube 26 in the opposite direction that the bores 24 of the hollow axis 11 are offset by the dimension c to the bores 29 of the first tube 26, so that these bores 24; 29 are 100% impermeable to one another.
  • these holes 24; 29 are shown in an arrangement with respect to one another which results in a fifty percent permeability. This means that the dimension c also has only half the total stroke length of the piston of the working cylinder 28.
  • a second tube 33 is arranged coaxially on this first tube 26 and has a flange 34 on one end face, on which a ring gear 36 is fastened by means of screws 37.
  • the ring gear 36 meshes with a gear 38 which is fixed on the shaft of a motor 39 fixed to the frame.
  • the motor 39 is connected to a known control device, not shown.
  • the second tube 33 has a number of bores 41 which, viewed from the axial center line of the inking roller 1, run radially outwards and are aligned with one another, i. H. are also arranged in "rings" according to FIG. 2 and at a distance a according to FIG. 3.
  • the number of bores 41 in the "ring” or circumference of the second tube 33 can be as large or larger than the number of bores 24; 29 in the hollow axis 11 or in the first tube 26. In FIG. 2, this number of bores 41 is a multiple, eg. B. three times the number of holes 24 or 29.
  • the end of the bores 41 of the second tube 33 facing away from the first tube 26 ends in accordance with FIG. 4 in each case in a base 42 or in the valley of a groove of the second tube 33.
  • a plateau 43 is located midway between two bores 41, so that the second tube 33 has a regular polygonal profile on its outer jacket.
  • the second tube 33 is via the motor 39 and the gear 38; 36 driven by speed in the direction of arrow D.
  • a jacket tube 44 made of porous material is arranged on the second tube 33 coaxially to the center line 23 and has a toothed ring 47 on its end face which meshes with a gearwheel 48 driven by the machine.
  • the ring gear 47 can be fastened to the end face of the casing tube 44 by means of screws 46 or by gluing.
  • the tubes 26; 33; 44 each have at their two end faces a receptacle for a ball bearing 49, 55, 57, which the individual tubes 26; 33; 44 support each other or each other and make them rotatable.
  • a ball bearing 49, 55, 57 is on the hollow axis 11 of the first and second tube 26; 33 a bearing seat available.
  • the ball bearings 49, 55, 57 are held against falling out by retaining rings 51.
  • the material for the first tube 26, for the second tube 33 and for the hollow axis 11 can be made of steel.
  • the first tube 26 can also be made of a material with emergency running properties, e.g. B. brass exist.
  • the material for casing tube 44 can be made of porous ceramic or porous plastic.
  • the applicator roller 2 shown in FIG. 1 can be omitted if the casing tube 44 consists of a porous plastic which is compressible.
  • the bores of the hollow axis 11 and the first tube 26 have the same diameter.
  • the mode of operation of the ink roller 1 according to the invention is described below:
  • the ink supply takes place through the ink feed line 22 in the direction of arrow F into the ink reservoir 10 of the hollow axis 11 from the ink reservoir, not shown.
  • the paint penetrates into the bores 24 of the hollow axis 11 and rises in the radial direction toward the first tube 26, starting from the center line 23.
  • the permeability of the bores 24 to the bores 29 is dimensioned.
  • the permeability is approximately fifty percent as shown in Fig. 2 and is adjustable according to the production conditions. This permeability is carried out by a known control and regulating device, not shown, which can work, for example, with the computer in the machine control center of the printing press.
  • the stroke frequency of the piston of the working cylinder 28 is adjustable via the known control and regulating device not mentioned above.
  • the stroke frequency can e.g. B. be three Hertz.
  • chambers 50 are shown which are formed between the base 42 with the end of the bore 41 and above with the inside 54 the casing tube 44 made of porous material and are delimited on both sides by a plateau 43.
  • a pulsation occurs on the surface 56 or on the outer jacket of the jacket tube 44, which results in regular wetting of the surface 56 of the jacket tube 44.
  • a meterable, continuous and finely distributed ink layer can be achieved, which is passed on to the printing unit 2 according to FIG. 1 via the application roller 2.
  • the differential speed between the second tube 33 and the jacket tube 44 is kept approximately constant.
  • This differential speed can be 2,500 to 3,500 revolutions per hour. That means: At a machine speed of 3,000 revolutions per hour through the casing tube 44 in the direction of arrow E according to FIG. 2, 500 revolutions per hour in the opposite arrow direction D through the rotating second tube 33, so that a total differential speed of 3,500 revolutions per hour arises.
  • the casing tube 44 has a positive differential speed.
  • the second tube 33 bring a speed of 3,500 revolutions per hour, but this must be done in the same direction in the direction of arrow E according to FIG. 2. This means that the direction of rotation of the second tube 33 was reversed from D to E.
  • the ball bearings 49, 55, 57 located between the individual tubes 26, 33, 44 or on the hollow axis 11 have sealing washers on both sides.
  • the lateral surfaces of the coaxially arranged tubes 11, 26, 33, 44 slide on one another in a fit, so that the printing ink can only reach the tubular casing 44 through the bores 24, 29, 41 arranged in the radial direction.
  • the chambers 50 formed from the left-hand chamber half 52 and the right-hand chamber half 53 have an approximately lenticular cross-section, so that due to the differential speed of the two tubes 44, 33 in the left-hand chamber half 52 in accordance with the direction of rotation E of the casing tube 44, a suction and in the right-hand direction Chamber half 53 creates an overpressure due to the printing ink in the chamber half 53, so that the printing ink located in the right chamber half 53 is absorbed by the inside 54 of the casing tube 44.
  • the ink is supplied through the bore 41.
  • the chambers 50 which are approximately lenticular in their cross section, run as a groove in the axial direction in the outer surface of the second tube 33 and each end on the inner races of the ball bearings 55, 57 provided with sealing disks, which are arranged between the second tube 33 and the outer tube 44 are.

Landscapes

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

Claims (10)

  1. Procédé pour alimenter en encre un rouleau applicateur dans une machine à imprimer rotative au moyen d'un rouleau encreur, dont l'alimentation en encre s'effectue sous forme dosée depuis la cavité intérieure du rouleau encreur à travers des perçages radiaux pratiqués dans des tubes coaxiaux jusqu'à un tube d'enveloppe en matériau poreux, caractérisé en ce que la quantité d'encre est modulée par un réglage mutuel à variation constante de la section de passage (c) des perçages (24, 29) d'un axe creux (11) et d'un premier tube (26), et en ce que, par l'intermédiaire de chambres (50), l'encre est ensuite fournie, en étant répartie par une pluralité de perçages (41) ménagés dans un deuxième tube rotatif (33), au tube d'enveloppe (44) qui tourne à une vitesse de rotation différentielle et à travers lequel l'encre est amenée au rouleau applicateur (2).
  2. Dispositif pour réaliser le procédé pour alimenter en encre un rouleau applicateur dans une machine à imprimer rotative au moyen d'un rouleau encreur selon la revendication 1, dont l'alimentation en encre s'effectue sous forme dosée depuis une cavité intérieure du rouleau encreur à travers des perçages radiaux pratiqués dans des premier et deuxième tubes coaxiaux jusqu'à un tube d'enveloppe en matériau poreux, caractérisé en ce que, entre un axe creux (11) et le tube d'enveloppe (44) sont disposés, coaxialement à l'axe creux (11), deux tubes (33, 44) qui peuvent se déplacer l'un sur l'autre dans la direction circonférentielle de manière ajustée, en ce que le premier tube (26) peut se déplacer vers l'avant et vers l'arrière sur l'axe creux (11), en ce que le deuxième tube (33) monté coaxialement à l'axe creux (11) peut être mis en rotation autour de son axe longitudinal à l'aide d'un moyen d'entraînement (46, 47, 48), en ce que le deuxième tube (33) comporte sur sa périphérie un nombre de perçages radiaux (41) qui est un multiple de celui du premier tube (26), en ce que les perçages radiaux (41) débouchent dans des gorges, en ce que ces gorges forment, dans la direction axiale, des chambres (52, 53) avec la face intérieure (54) du tube d'enveloppe (44), et en ce que le tube d'enveloppe (44) peut être entraîné à une vitesse de rotation différentielle par rapport au deuxième tube (33).
  3. Dispositif selon la revendication 2, caractérisé en ce que le premier tube (26) comporte, sur une face frontale, une patte (27) qui permet de l'entraîner au moyen d'un vérin (28) solidaire du bâti.
  4. Dispositif selon les revendications 2 et 3, caractérisé en ce que l'angle de rotation du premier tube (26) peut être réglé, par rapport à la dimension (c) et à la fréquence ainsi que par rapport à la vitesse de rotation du deuxième tube (33), par l'intermédiaire d'un dispositif de commande et de régulation connecté à l'ordinateur du poste de conduite de la machine.
  5. Dispositif selon la revendication 2 à 4, caractérisé en ce que, sur une face frontale, le deuxième tube (33) est relié à une couronne dentée (36) qui peut être entraînée de manière régulée par un moyen d'entraînement (38 ; 39) solidaire du bâti.
  6. Dispositif selon les revendications 2 à 5, caractérisé en ce que, sur une face frontale, le tube d'enveloppe (44) est relié à une couronne dentée (47) qui peut être entraînée à la vitesse de rotation de la machine par un moyen d'entraînement (48).
  7. Dispositif selon les revendications 2 à 6, caractérisé en ce que la surface du deuxième tube (33) à section polygonale est formée par une alternance de plateaux (43) et de creux (42), et en ce que chaque perçage (41) débouche dans un creux (42).
  8. Dispositif selon les revendications 2 à 7, caractérisé en ce que l'axe creux (11) et le premier tube (26) comportent le même nombre de perçages (24 ; 29).
  9. Dispositif selon les revendications 2 et 8, caractérisé en ce que le deuxième tube (33) comporte un nombre de perçages (41) égal ou supérieur de 1,1 à 4 fois celui du premier tube (26).
  10. Dispositif selon les revendications 2 à 9, caractérisé en ce qu'à chacune de leurs faces frontales les premier et second tubes (26 ; 33) ainsi que le tube d'enveloppe (44) comportent une entaille pour loger un roulement à billes (49, 55, 57).
EP93102927A 1992-02-29 1993-02-25 Procédé et dispositif pour alimenter en encre des rouleaux encreurs dans une machine à imprimer rotative Expired - Lifetime EP0559076B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4206403 1992-02-29
DE4206403 1992-02-29
DE4242605A DE4242605C2 (de) 1992-02-29 1992-12-17 Farbwerkwalze für eine Rotationsdruckmaschine
DE4242605 1992-12-17

Publications (2)

Publication Number Publication Date
EP0559076A1 EP0559076A1 (fr) 1993-09-08
EP0559076B1 true EP0559076B1 (fr) 1996-06-05

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EP93102927A Expired - Lifetime EP0559076B1 (fr) 1992-02-29 1993-02-25 Procédé et dispositif pour alimenter en encre des rouleaux encreurs dans une machine à imprimer rotative

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US (1) US5282419A (fr)
EP (1) EP0559076B1 (fr)
JP (1) JP3285993B2 (fr)

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US5473354A (en) * 1994-05-26 1995-12-05 Hewlett-Packard Company Ink-delivery apparatus
JP3735206B2 (ja) 1997-12-26 2006-01-18 日本特殊陶業株式会社 ガスセンサ
JP3786330B2 (ja) 1997-12-26 2006-06-14 日本特殊陶業株式会社 ガスセンサ
DE19957453C1 (de) * 1999-09-03 2001-02-01 Ruediger Woerz Verfahren zum Auftragen von hochviskoser Farbe bei einer Offset-Druckmaschine
ATE388017T1 (de) * 1999-09-03 2008-03-15 Ruediger Woerz Verfahren zum auftragen von farbe
JP3939906B2 (ja) * 2000-08-01 2007-07-04 アルパイン株式会社 受信機
KR100560213B1 (ko) * 2004-05-31 2006-03-10 한국조폐공사 요판 인쇄기용 와이핑 실린더 구조
AR051361A1 (es) * 2005-07-06 2007-01-10 Badran Santiago Pedro Una maquina para la impresion litografica de hojalata
US8342092B2 (en) * 2008-11-21 2013-01-01 Goss International Americas, Inc. Porous roll with axial zones and method of proving printing liquid to a cylinder in a printing press
US20100326301A1 (en) * 2009-06-26 2010-12-30 Dedman Ralph E Variable Ink Metering and Delivery System for Flexographic Printing
US8916261B2 (en) 2011-03-04 2014-12-23 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8985013B2 (en) 2011-03-04 2015-03-24 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8833250B2 (en) 2011-03-04 2014-09-16 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8943959B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US8943960B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US8665493B2 (en) 2011-03-04 2014-03-04 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8758560B2 (en) 2011-03-04 2014-06-24 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8920911B2 (en) 2011-03-04 2014-12-30 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8916260B2 (en) 2011-03-04 2014-12-23 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8839717B2 (en) 2011-03-04 2014-09-23 The Procter & Gamble Company Unique process for printing multiple color indicia upon web substrates
US8616126B2 (en) 2011-03-04 2013-12-31 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8839716B2 (en) 2011-03-04 2014-09-23 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8927092B2 (en) 2011-03-04 2015-01-06 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8962124B2 (en) 2011-03-04 2015-02-24 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8943957B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US8927093B2 (en) 2011-03-04 2015-01-06 The Procter & Gamble Company Web substrates having wide color gamut indicia printed thereon
US8943958B2 (en) 2011-03-04 2015-02-03 The Procter & Gamble Company Apparatus for applying indicia having a large color gamut on web substrates
US9085130B2 (en) 2013-09-27 2015-07-21 The Procter & Gamble Company Optimized internally-fed high-speed rotary printing device
CN104307686B (zh) * 2014-11-07 2017-04-19 合肥京东方光电科技有限公司 转印滚轮、封装胶膜涂布系统、及封装胶膜的方法
US10144016B2 (en) 2015-10-30 2018-12-04 The Procter & Gamble Company Apparatus for non-contact printing of actives onto web materials and articles
WO2017156209A1 (fr) 2016-03-11 2017-09-14 The Procter & Gamble Company Bandes non tissées texturées avec des compositions
CN107351519B (zh) * 2017-08-22 2019-11-12 赣州彩盛印刷有限公司 一种凹版印刷机
CN112437654B (zh) 2018-08-03 2023-09-22 宝洁公司 具有施用到其上的组合物的纤维网
EP3829510B1 (fr) 2018-08-03 2023-12-27 The Procter & Gamble Company Bandes avec des compositions sur celles-ci

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US916357A (en) * 1908-05-09 1909-03-23 Automatic Marking Company Inking-roller for printing-presses.
DE232141C (fr) * 1910-07-15 1911-03-08
US1180569A (en) * 1915-09-20 1916-04-25 Clifton Chisholm Moistening-roller for lithographic-printing plates.
DE600924C (de) * 1933-06-22 1934-08-03 Koenig & Bauer Schnellpressfab Farbverteilerwalze in heber- und duktorlosen Farbwerken, insbesondere fuer Rotationshochdruckmaschinen
US2217552A (en) * 1937-08-27 1940-10-08 Hoe & Co R Ink supply roller
US2319615A (en) * 1941-04-12 1943-05-18 Cottrell C B & Sons Co Inking roller for printing presses
DE1044830B (de) * 1952-12-08 1958-11-27 Geha Werke Gmbh Farbzufuehrvorrichtung fuer Rotations-Schablonendrucker
US2961948A (en) * 1959-01-06 1960-11-29 Harry J Quinn Damper for lithographic press
GB1259668A (en) * 1968-10-18 1972-01-12 Dayco Corp Inking member and method of making same
SU464458A1 (ru) * 1974-01-10 1975-03-25 Курский Филиал Всесоюзного Научно-Исследовательского Института Оргтехники Распределитель краски
EP0130989A1 (fr) * 1982-08-05 1985-01-16 Nichol International Pty. Ltd. Rouleau encreur ameliore ou analogue

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Publication number Publication date
EP0559076A1 (fr) 1993-09-08
JP3285993B2 (ja) 2002-05-27
JPH0623964A (ja) 1994-02-01
US5282419A (en) 1994-02-01

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