EP0598240B1 - Rotationstiefdruckmaschine und -verfahren - Google Patents

Rotationstiefdruckmaschine und -verfahren Download PDF

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Publication number
EP0598240B1
EP0598240B1 EP93117070A EP93117070A EP0598240B1 EP 0598240 B1 EP0598240 B1 EP 0598240B1 EP 93117070 A EP93117070 A EP 93117070A EP 93117070 A EP93117070 A EP 93117070A EP 0598240 B1 EP0598240 B1 EP 0598240B1
Authority
EP
European Patent Office
Prior art keywords
printing
paper web
printed
web
paper
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
EP93117070A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0598240A1 (de
Inventor
Werner Straubinger
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.)
UE Sebald Druck und Verlag GmbH
Original Assignee
UE Sebald Druck und Verlag GmbH
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 UE Sebald Druck und Verlag GmbH filed Critical UE Sebald Druck und Verlag GmbH
Publication of EP0598240A1 publication Critical patent/EP0598240A1/de
Application granted granted Critical
Publication of EP0598240B1 publication Critical patent/EP0598240B1/de
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
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/02—Rotary intaglio printing presses for multicolour printing
    • B41F9/023—Web printing presses
    • B41F9/026—Web printing presses with vertically arranged printing units

Definitions

  • the invention relates to a rotogravure printing machine of the type mentioned in the preamble of claim 1, and to a method for operating such a machine according to the preamble of claim 11.
  • Such machines and methods are generally known and are also described, for example, in DE-PS 35 30 561.
  • a separate printing unit is provided for each printing ink, the core of which forms a rotating forme cylinder immersed in an ink tray, against which the continuous paper web is pressed with the aid of a rotating impression roller.
  • the paper web is fed from above to the "pressure gap" formed between the forme cylinder and impression roller, the guiding and deflection taking place with the aid of lead spindles.
  • the paper web must pass through drying facilities behind each printing nip, since in rotogravure printing, unlike in offset printing, Up to now, the freshly printed color has been largely dried before the next color is printed.
  • the drying devices can either be formed by drying cylinders, as shown in DE-OS 35 30 561, or by drying chambers, which have a considerable length, in particular in modern machines which are run at high speeds, in order for each paper web section to be dried to achieve a sufficiently long residence time inside these chambers. Regardless of the special design of the drying device, the paper web is also guided in these areas with the help of a large number of guide or deflection rollers, which are referred to below as lead screws.
  • a major problem is that none of the many leading spindles has its own drive, but each one is driven by the paper web to be printed. As a result, there is a large amount of waste with every speed change, especially when starting and stopping the machine. When the paper web is accelerated, the leading spindles exert a braking effect, while when decelerating they have the tendency to continue rotating at the previously driven high speed, so that they first have to be braked by the paper web.
  • a rotogravure printing machine for multi-color printing of laminated material webs in which the printing units provided for the individual colors are arranged so linearly one behind the other that the web to be printed runs in a horizontal plane between all printing units and drying devices.
  • the rotogravure printing presses known at the time only etched forme cylinders were used, which inevitably led to the need to provide guiding spindles in contact with the material web between the individual printing units, which were used to individually compensate for the different misalignment errors inevitable when the printing templates were applied to the individual forme cylinders .
  • DE-C-278 721 in which, for two-color printing, the paper web is deflected by approximately 180 ° after passing through the first printing nip in order to arrive at the second printing nip.
  • the two pressure gaps are formed by two forme cylinders and a common pressure cylinder arranged between them. In a four-color printing press, two such groups are to be arranged one behind the other. No statements can be found in DE-C-278 721 about how register accuracy is to be guaranteed.
  • the object of the invention is to develop a rotogravure printing press and method of the type mentioned at the outset in such a way that a substantially higher level of operational reliability is achieved and in particular the amount of waste can be reduced considerably. In addition, the amount of work required to operate the machine is to be reduced.
  • the paper web experiences much less resistance and is therefore less stretched.
  • the register accuracy is significantly increased in this way.
  • the energy requirement is due to the lower friction losses and the reduced “stored” rotational energy converted to lost heat when stopped, greatly reduced.
  • a major advantage of the straight-line, contact-free guidance of the paper web from one printing nip to the next can be seen in the fact that there are in particular the two leading spindles which, according to the prior art, are arranged directly in front of or behind the printing nip parallel to the forme cylinder, around the one coming from above To divert paper web for passing through the printing nip from a substantially vertical course into the horizontal and then back up again. At least one of these two leading spindles is necessarily in operation in the area of the movement path that the forme cylinders have to pass through, e.g. A cylinder change takes place when the machine is converted to another printed product.
  • each of the two stub axles which protrude beyond the front ends of the forme cylinder, is mounted in a ring bearing, which in turn rests on the machine frame.
  • a forme cylinder When a forme cylinder is replaced, it is lifted upwards from the machine frame together with the two ring bearings using a special lifting device and then moved parallel to itself and transversely to its longitudinal axis into the space between its and the adjacent printing unit.
  • the ring bearings are then pulled off in the axial direction and the forme cylinder is moved out of the space between the printing units by sliding in the longitudinal direction.
  • the new forme cylinder to be installed is moved lengthways into this space and, after the ring bearing has been attached, transversely onto its stub axle moved to its longitudinal direction in a position above its actual working position, in which it is then finally lowered.
  • the printing units used to print a paper web side are advantageously positioned vertically one above the other in a tower arrangement, so that they are traversed vertically by the paper web to be printed.
  • This arrangement leads to a significant reduction in the footprint of such a machine.
  • Another advantage of this tower arrangement is that during operation each of the impressioners no longer sits exactly above the associated forme cylinder and presses it from above. Rather, it is possible to position the impression roller essentially laterally and with its axis only slightly above the axis of rotation of the forme cylinder. As a result, it is not necessary for a change of the forme cylinder to raise the impression roller strongly from its operating position; instead, it is sufficient to make it minor to fold away from the forme cylinder, for which a much simpler mechanism can be used.
  • the tower arrangement of the printing units thus also makes it easier to install and remove the forme cylinders.
  • the doctor blade arrangement is therefore positioned such that the surface line along which the doctor blade contacts the forme cylinder is not higher and preferably lower than the axis of rotation of the forme cylinder taking its operating position.
  • the doctor blade arrangement is thus arranged outside the area through which the forme cylinder moves when it is installed or removed.
  • the hitherto customary mechanism for lowering and folding away the doctor blade arrangement can thus be dispensed with and it is only necessary to provide a way of adapting the squeegee position to different forme cylinder diameters. This measure also contributes to a greatly simplified and therefore easier to automate installation and removal of the forme cylinders.
  • a particular advantage of the tower arrangement is that the building surrounding the machine can be designed as a capsule into which the paper web to be printed enters through a narrow slot and which it leaves after printing and drying through an opposite, equally narrow slot.
  • Such an encapsulation enables extremely effective sound insulation to the outside and allows virtually complete recovery of the solvent released when the paint dries. Since nobody has to be inside the capsule while the machine is in operation, the values of the maximum solvent concentration at the workplace can be reduced to a minimum, so that they can be considerably below the permitted values.
  • an elevator can be arranged inside or outside the building capsule, which allows the forme cylinders that are no longer required to be removed from the printing units of a tower and the new forme cylinders to be introduced in the next step.
  • the rotogravure printing machine 1 shown in the figures is used for double-sided printing of a paper web 2, which is drawn off from a paper roll 5 mounted on a roll carrier 4, from which it runs approximately vertically upwards to three guide spindles 6, 7, 8, which leads to a deflection serve in the horizontal and of which the lead screw 7 serves as a tension roller so that the paper tension can be regulated again from the roller carrier 4 to the first printing unit 24.
  • the horizontal section of the paper web 2 following the guide spindles 6, 7, 8 runs through a narrow entry gap 10 into a building area which encloses the entire rotogravure printing press 1 in the manner of a capsule 12 and during operation with the exception of the mentioned entry gap 10 and one on the opposite side of the exit gap 13 through which the finished printed paper web 2 leaves the capsule 12 is completely sealed.
  • the paper web 2 printed on both sides passes through a device 14, again consisting of three guide spindles, for adjusting the register position in a subsequent superstructure 15, which is only indicated in the drawing, in which it is divided lengthwise and placed on top of one another via turning bars and cut across with the aid of knife rollers until it is then folded and collected in a folder 16 to the intended product.
  • a device 14 again consisting of three guide spindles, for adjusting the register position in a subsequent superstructure 15, which is only indicated in the drawing, in which it is divided lengthwise and placed on top of one another via turning bars and cut across with the aid of knife rollers until it is then folded and collected in a folder 16 to the intended product.
  • two groups of four printing units 24, 25, 26, 27 and 30, 31, 32, 33, each of which are arranged vertically one above the other, are provided on the building floor 18 and three walk-in galleries 19, 20, 21, of which the first group 24 to 27 for printing the face side with the four colors yellow, red, blue and black and the second group 30 to 33 for printing the reverse side with these colors.
  • Short drying sections 34, 35, 36 and 38, 39, 40 are provided between successive printing units of each of these two tower-type printing unit groups, each of which is assigned an extractor hood 42, 43, 44 or 46, 47, 48.
  • the paper web 2 After passing through a horizontal section following the entry nip 10, the paper web 2 is deflected downward via a guide spindle 50 such that it enters the uppermost printing unit 24 of the first printing unit tower vertically from above. It runs through this entire printing tower, i.e. all the printing units 24 to 27 located here and the drying devices 34, 35 and 36 arranged between them in the vertical direction downwards so that they come into contact only with the four forme cylinders 55 and the associated impression rollers 56.
  • the short drying devices 34 to 36 are sufficient to at least superficially dry the ink applied in the preceding printing unit 24 to 26 to such an extent that it is not blurred in the subsequent printing unit 25 to 27.
  • the bottom printing unit 27 of the fine printing tower is also followed by a drying device 58 with an associated extractor hood 59. These two units are located in a tub 60 under the building floor 18, the interior of which belongs to the interior of the capsule 12.
  • the drying device 58 is arranged horizontally, so that a lead screw 61 is provided between it and the preceding printing unit 27, which, like the lead screw 62 following the drying device 58, bears against the unprinted reverse side of the paper web 2.
  • the paper web 2 is redirected into the vertical. It runs upwards through a long drying device 65 which extends upwards beyond the printing units 24, 30 arranged in the uppermost gallery 21.
  • the paper web emerging from the long drying device 65 is deflected twice via three guide spindles 67, 68, 69, of which the middle one is again displaceable for setting the register position, and enters from above into the counterpressure printing unit tower with the printing units 30 to 33 and interposed short drying devices 38 to 40 which they use in the same It goes through as described previously for the front printing tower, only that the reverse side is now printed with four colors.
  • the first leading spindles that come into contact with this side after printing on the face printing side are the lead spindles 67 and 68. Since the paper web has passed through the long drying device 65 at this time, this contact is completely uncritical because the colors printed on the face printing side are largely dry.
  • the bottom printing unit 33 of the counterpressure tower is followed by a short drying device 70 with an extractor hood 71 leading into the tub 60.
  • This drying device is still traversed by the paper web 2 in the vertical direction, because the subsequent guide spindle 72, which serves to deflect it into the horizontal, comes into contact with the just printed reverse side.
  • the paper web 2 is redirected into the vertical with the aid of a guide spindle 74, in which it passes through another long drying device 75 vertically upward, which extends approximately to the level of the uppermost gallery floor 21.
  • There is a further lead screw 77 with the aid of which the paper web 2 is redirected into the horizontal in order to leave the capsule 12 through the outlet gap 13.
  • the entire rotogravure printing press 1 suitable for two-sided four-color printing only requires nine lead spindles between the entry nip 10 and the exit nip 13, which corresponds approximately to the number of lead screws that are used in conventional rotogravure printing presses in a single printing unit.
  • the total paper length that located at any time in the rotogravure printing machine according to the invention, ie inside the capsule 12, is approximately four times the height of the overall arrangement plus the length, ie the distance between the entry nip 10 and the exit nip 13.
  • the printing units are "open” towards one long side so that the forme cylinders can be exchanged via this side.
  • this "open" side of the printing units 24 to 27 of the printing tower is directed to the left and in the printing units 30 to 33 of the counter-printing tower to the right.
  • a forme cylinder 55 ' which is located on a conveyor device 82 and 83 leading from the relevant elevator 80 and 81 to the printing unit 24 and 30, respectively .
  • two forme cylinders 55 ' are shown in each of the two elevators 80 and 81 in order to indicate their mounting in the paternoster elements.
  • FIG. 2 shows the uppermost printing unit 24 of the fine printing tower again on a greatly enlarged scale. It can be seen very clearly here how the forme cylinder 55 dips into an ink pan 85 and is freed of the excess ink on its outlet side with the aid of a doctor blade 86. In deviation from what has been customary in operation, this doctor blade is arranged so deep that the surface line, along which the doctor blade touches the forme cylinder 55 during printing operation, lies lower than the axis of rotation 57 of the impression cylinder. As a result, the doctor blade 86 has to be lowered only slightly or not at all when the printing cylinder is to be replaced.
  • the stub axles 87 are, as shown in FIG. 3, preferably in a bezel bearing 90, for example having three bearing rollers 88 stored.
  • the printing units used for printing on one side of the paper web are arranged in such a way that the paper web can run from one pair of impression cylinders to impression presses without experiencing a significant change in direction.
  • the guiding effect exerted by the forme cylinders and associated impression rollers is completely sufficient to guide the paper web at least through all of the printing units that are required for printing on one side.
  • This measure which leads to a considerable reduction in the number of guide spindles required, can be used not only in the tower arrangement shown in the exemplary embodiment but also when the printing units are installed horizontally one behind the other.
  • Rotogravure printing machines are conceivable in which the eight printing units required for two-sided four-color printing are distributed over four towers, each of which comprises two printing units positioned one above the other.
  • the invention is also not limited to two-sided four-color printing, but can always be used when a paper web is to be printed using two or more printing units.
  • the elevators 80, 81 can also be arranged outside the building capsule 12, in which case there is a provision device at the level of each printing unit outside the capsule, which is separated from the inside of the capsule during printing operation by a closure device, for example, designed as a blind.
  • a closure device for example, designed as a blind.
  • the final drying device 75 can also be arranged outside the building capsule 12.
  • the drying device 58 arranged below the front printing tower can also be designed and arranged vertically, as is shown for the drying device 70 arranged downstream of the counterpressure tower.
  • the lead screw 61 is positioned behind the drying device 58, since the paper web 2 still runs through it vertically from top to bottom in a guide-free manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printing Methods (AREA)
  • Gyroscopes (AREA)
  • Toys (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Inorganic Insulating Materials (AREA)
EP93117070A 1992-10-28 1993-10-21 Rotationstiefdruckmaschine und -verfahren Expired - Lifetime EP0598240B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4236457 1992-10-28
DE4236457 1992-10-28

Publications (2)

Publication Number Publication Date
EP0598240A1 EP0598240A1 (de) 1994-05-25
EP0598240B1 true EP0598240B1 (de) 1997-03-19

Family

ID=6471594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117070A Expired - Lifetime EP0598240B1 (de) 1992-10-28 1993-10-21 Rotationstiefdruckmaschine und -verfahren

Country Status (9)

Country Link
EP (1) EP0598240B1 (ja)
JP (1) JPH071700A (ja)
AT (1) ATE150368T1 (ja)
CA (1) CA2109164C (ja)
CZ (1) CZ287539B6 (ja)
DE (1) DE59305863D1 (ja)
FI (1) FI106941B (ja)
HU (1) HU215054B (ja)
PL (1) PL172539B1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209454B1 (en) 1997-05-05 2001-04-03 Koenig & Bauer Aktiengesellschaft Multicolor rotogravure rotary press with first and second side printing towers
DE102008018653B3 (de) * 2008-04-11 2009-07-30 Lsf Maschinen- Und Anlagenbau Gmbh & Co. Kg Vorrichtung zur Lagerung einer Walze, insbesondere für Rotationsdruckmaschinen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658427B1 (de) * 1993-12-16 1997-03-19 U.E. SEBALD DRUCK UND VERLAG GmbH Trockenvorrichtung
DE19801429C2 (de) * 1998-01-16 2002-06-13 Koenig & Bauer Ag Rollenrotationshochdruckmaschine
DE102004051263A1 (de) * 2004-10-21 2006-04-27 Man Roland Druckmaschinen Ag Druckmaschinenanordnung
DE102011083151B4 (de) 2011-09-21 2017-08-17 Koenig & Bauer Ag Rotationsdruckmaschine und ein Verfahren zum Austausch zumindest eines ersten Zylinders einer Rotationsdruckmaschine
CN102501570B (zh) * 2011-12-02 2013-10-30 牡丹江恒丰纸业股份有限公司 一种生产具有阻燃带的卷烟纸的凹版印刷机及生产方法
JP5880141B2 (ja) * 2012-03-01 2016-03-08 大日本印刷株式会社 圧胴設置レール

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE375932A (ja) *
DE278721C (ja) *
DE1039536B (de) * 1955-05-07 1958-09-25 Maschf Augsburg Nuernberg Ag Tiefdruckrotationsmaschine
IE39031B1 (en) * 1972-12-21 1978-07-19 Saueressig Gmbh An intaglio printing machine for use with inks having a high solvent content
JPS5152009A (ja) * 1974-11-01 1976-05-08 Toppan Printing Co Ltd Ueburenzokuinsatsuhoho
JPS51105499A (en) * 1975-03-11 1976-09-18 Santo Tekkosho Kk Fuhakunohyorini ishukakoohodokosuhoho
JPS51149987A (en) * 1975-06-17 1976-12-23 Santo Tekkosho Kk Multiple color printing and processing utilizing glass fiber fabric as introducing cloth and like
JPS5545385A (en) * 1978-09-28 1980-03-31 Toshimitsu Yanagisawa Preparation of fermented soymeans seasoned with bonito soup
DE3210767A1 (de) * 1982-03-24 1983-09-29 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Mehrfarben-tiefdruckrotationsmaschine
JPS60244556A (ja) * 1984-05-17 1985-12-04 Rengo Co Ltd 多色刷輪転印刷機の版胴交換装置
JPS61111296A (ja) * 1984-11-05 1986-05-29 株式会社　キト− ロ−ル移送装置
JP2735200B2 (ja) * 1987-12-01 1998-04-02 大日本印刷株式会社 グラビア輪転機の版胴交換方法及び装置
JP2648333B2 (ja) * 1988-03-31 1997-08-27 大日本印刷株式会社 印刷機用版胴準備台車のガイド装置
JPH03215039A (ja) * 1990-01-19 1991-09-20 Think Lab Kk グラビア印刷方法
JPH042925A (ja) * 1990-04-20 1992-01-07 Hitachi Ltd 秤量機能付きの微小部品のハンドリング装置
DE4133555C2 (de) * 1991-10-10 1997-05-22 Schepers Hans Georg Vertikale Tiefdruckmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209454B1 (en) 1997-05-05 2001-04-03 Koenig & Bauer Aktiengesellschaft Multicolor rotogravure rotary press with first and second side printing towers
US6230620B1 (en) 1997-05-05 2001-05-15 Koenig & Bauer Aktiengesellschaft Bearing for a rotary press cylinder
DE102008018653B3 (de) * 2008-04-11 2009-07-30 Lsf Maschinen- Und Anlagenbau Gmbh & Co. Kg Vorrichtung zur Lagerung einer Walze, insbesondere für Rotationsdruckmaschinen

Also Published As

Publication number Publication date
HUT69457A (en) 1995-09-28
HU9303052D0 (en) 1994-03-28
EP0598240A1 (de) 1994-05-25
HU215054B (hu) 1998-09-28
ATE150368T1 (de) 1997-04-15
CA2109164C (en) 1999-12-28
JPH071700A (ja) 1995-01-06
CZ287539B6 (en) 2000-12-13
CZ225393A3 (en) 1994-05-18
CA2109164A1 (en) 1994-04-29
FI106941B (fi) 2001-05-15
PL172539B1 (pl) 1997-10-31
PL300867A1 (en) 1994-05-16
DE59305863D1 (de) 1997-04-24
FI934744A (fi) 1994-04-29
FI934744A0 (fi) 1993-10-27

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