EP2117844B1 - Presse à imprimer et procédé de réglage de la position de son groupe d'impression - Google Patents

Presse à imprimer et procédé de réglage de la position de son groupe d'impression Download PDF

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Publication number
EP2117844B1
EP2117844B1 EP07711880A EP07711880A EP2117844B1 EP 2117844 B1 EP2117844 B1 EP 2117844B1 EP 07711880 A EP07711880 A EP 07711880A EP 07711880 A EP07711880 A EP 07711880A EP 2117844 B1 EP2117844 B1 EP 2117844B1
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EP
European Patent Office
Prior art keywords
bearing
adjustment
impression cylinder
printing press
roller
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.)
Not-in-force
Application number
EP07711880A
Other languages
German (de)
English (en)
Other versions
EP2117844A1 (fr
Inventor
Peter Krampe
Michael Löhr
Hans-Jörg MIESELER
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP2117844A1 publication Critical patent/EP2117844A1/fr
Application granted granted Critical
Publication of EP2117844B1 publication Critical patent/EP2117844B1/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/24Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26Arrangement of cylinder bearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/30Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/301Devices for tripping and adjusting form rollers

Definitions

  • the present invention relates to a printing press with a printing unit, which has at least one roller and a counter-pressure cylinder, wherein the roller is rotatably mounted on opposite sides by means of two bearings on a frame and wherein an adjustment for adjusting the position of the roller is provided relative to the impression cylinder.
  • the invention further relates to a method for adjusting the position of the printing unit of a printing press, wherein at least one roller of the printing unit is aligned by adjusting the bearings on opposite sides of the roller substantially parallel to a counter-pressure cylinder of the printing unit.
  • the rollers involved in the printing of the printing unit must be adjusted to each other.
  • the impression cylinder is often taken, which offers itself especially in central cylinder machines with multiple printing units.
  • the rollers of the individual printing units are adjusted, so that all roller axes are aligned parallel to each other, in order to ultimately obtain a high-quality printed image.
  • the rollers are regularly used on their two sides in the respective camp and a bearing base plate as long as adjusted relative to the counter-pressure cylinder supporting machine frame via adjustment aids in the form of adjusting screws until the roller axes parallel to the Counter-pressure cylinders are aligned.
  • This procedure is time consuming, complex and demanding.
  • a common adjustment device is for example in US 3986 454 A1 disclosed.
  • the present invention seeks to provide an improved printing machine of the type mentioned above and an improved method for adjusting the position of the printing unit of a printing press, avoid the disadvantages of the prior art and further develop the latter in an advantageous manner.
  • a shortened assembly time for the position adjustment of the printing unit rollers should be achieved.
  • the adjusting device of the printing machine has separate position adjusting means for each of the two bearings of the at least one printing unit roller, by means of which the position of the bearings relative to each other and relative to the frame on which the printing unit roller is mounted, in at least one direction are adjustable transversely to the impression cylinder longitudinal direction.
  • the first bearing side is angularly adjusted in a first step such that the bearing is aligned with its axis of rotation as parallel as possible to the impression cylinder longitudinal axis, then in a second step, the second bearing side is adjusted in height such that the bearing on the second Bearing side together with the bearing on the first bearing side forms an aligned bearing axis parallel to the impression cylinder longitudinal axis.
  • the first step of the angular adjustment on the first bearing side considerably simplified when the roller is dismantled or at least not mounted in the bearing on the opposite second bearing side, so that the angle adjustment without obstruction by fixing on the opposite side of the roll are performed can.
  • only one bearing plate, on which a bearing block carrying the bearing can be fastened is aligned by angle adjustment parallel to the impression cylinder.
  • the said bearing block can already be placed on the bearing plate, but advantageously also be dismantled from the bearing plate.
  • an eccentric is advantageously used, which carries the bearing on the second bearing side.
  • the position of the bearing point on the said second bearing side can be adjusted very sensitively.
  • exactly the height of the bearing point on the second bearing side can be adjusted relative to the bearing point on the first bearing side in order to give the roller inserted between the two bearing sides exactly parallel alignment with the impression cylinder longitudinal axis.
  • the height adjustment occurring by turning the eccentric offset in the radial direction with respect to the impression cylinder can be compensated in a subsequent process step by radial adjustment of the eccentric.
  • the setting means on the second bearing side comprise a further movement axis radially relative to the impression cylinder longitudinal axis, so that the height adjustment and the radial adjustment on the second bearing side are decoupled from one another. This allows first an exact adjustment in the height direction be made without having to pay attention to an occurring adjustment in a direction perpendicular thereto. Once the exact height setting has been found, the radial position of the bearing point is adjusted, without having to pay attention to the height adjustment.
  • the adjusting means are assigned at least on the second bearing side clamping means in order to determine the respectively set position of the bearing and to be able to eliminate bearing clearance.
  • the above-mentioned eccentric a transverse to the axis of rotation of the eccentric locking means, for example in the form of a clamping screw, be assigned, by means of which the eccentric can be determined in the found position.
  • the adjusting means on the two sides of the bearing can basically be designed differently.
  • the adjusting means on the two bearing sides are designed differently from one another.
  • the adjusting means may comprise height adjusting means and / or angle adjusting means for adjusting the height and / or the angular orientation of the bearing on said first bearing side.
  • said adjusting means engage on the first bearing side between the frame and a bearing plate on which a bearing bracket carrying the bearing is longitudinally displaceably mounted.
  • the bearing block carrying the bearing is advantageously mounted longitudinally displaceably on the bearing plate transversely to the longitudinal axis of the impression cylinder in order to deliver the roller to the impression cylinder or to be able to move away from it.
  • the adjusting means for the bearing plate may in particular comprise at least one adjusting screw, which is deliverable substantially perpendicular to the plane of the bearing plate in order to thereby adjust the position of the bearing plate in the desired manner.
  • adjusting screw which is deliverable substantially perpendicular to the plane of the bearing plate in order to thereby adjust the position of the bearing plate in the desired manner.
  • a height adjustment of the bearing plate and an angular adjustment of the bearing plate can be provided.
  • the angular adjustment of the bearing plate is possible at least about an axis perpendicular to the longitudinal direction of the impression cylinder and / or the roller.
  • the adjustment means on the opposite second bearing side need not include Winkeleinstellstoff, although in principle may be provided on the second bearing side.
  • the adjusting means on the second bearing side comprise as height adjusting means the aforementioned eccentric, which can be advantageously designed as an eccentric sleeve, in which the bearing of the second bearing side is accommodated.
  • the eccentric can advantageously be rotated about an axis parallel to the roller axis eccentric axis in order to achieve the desired height adjustment of the bearing point.
  • the present invention can basically be implemented in printing presses of various types, so that no specific printing press is completely shown in the figures. However, special advantages arise with format-variable flexographic printing machines.
  • FIG. 1 shows as a roll 1 of a printing unit 2, the format cylinder or the anilox roller of a flexographic printing press, which is rotatably mounted on opposite bearing sides 3 and 4 on a frame 5 about its longitudinal axis.
  • the roller 1 On the first bearing side 3, which forms the drive side, the roller 1 is advantageously rotatably supported by a bearing 6 which is fixed to a bearing block 7.
  • the bearing block 7 is mounted by means of a linear guide 8, which is formed in the illustrated embodiment as a double-rail track bed guide, longitudinally displaceable transversely to the roller longitudinal axis 9 on a bearing plate 10.
  • the linear guide 8 allows a radial advancement of the roller 1 to a counter-pressure cylinder not shown specifically or a driving away of the roller 1 of this impression cylinder.
  • the linear guide 8 is associated with an adjusting spindle 11 which acts between said bearing plate 10 and the bearing block 7.
  • Said bearing plate 10 is seated on the frame 5 and can be adjusted relative to this setting means 12 in the form of a plurality of screws 13.
  • the aforementioned screws 13 engage substantially perpendicular to the plane defined by the bearing plate 10 at this and can move the bearing plate 10 relative to the frame 5.
  • a height adjustment but in particular also an angular adjustment of the bearing plate 10 about a lying Winkeleinstellachse perpendicular to the plane of the FIG. 1 and thus also be effected perpendicular to the roll longitudinal axis.
  • the roller 1 is rotatably supported by a bearing 15, which sits itself in a bearing carrier 16.
  • said bearing 15 is mounted on the bearing bracket 16 by an eccentric sleeve 17, in whose inner recess the bearing 15 is seated and which sits with its outer circumference in a bearing recess of the bearing bracket 16.
  • the inner recess of the eccentric sleeve 17 is offset radially to the eccentric rotation axis 18, cf.
  • FIG. 2 If the eccentric sleeve 17 is rotated in the bearing recess 19 in the bearing carrier 16, as indicated by the arrow 20 in FIG. 2 indicates, the bearing 15 undergoes a height adjustment perpendicular to the roll longitudinal axis.
  • the eccentric in the form of eccentric sleeve 17 is advantageously designed such that a bearing adjustment of the in FIG. 2 shown center position of at least 0.25 mm, advantageously from about 0.3 mm to 1 mm, both up and down is possible.
  • the eccentric sleeve 17 can be clamped in the respective adjusted position by clamping means 21, which advantageously act transversely to the eccentric rotation axis 18 in order to simultaneously eliminate a bearing clearance
  • FIG. 2 shows, as clamping means 21, a clamping screw 22 may be provided by means of which the bearing recess 19 can be clamped together in the bearing bracket 16 to clamp the eccentric sleeve 17 in the bearing recess 19 radially.
  • the bearing support 16 advantageously forms a slotted bearing eye, in which the eccentric sits and which can be clamped together by advancing the clamping screw 22, so that its diameter tapers.
  • the bearing support 16 can be delivered by radial adjustment means 23 transversely to the impression cylinder longitudinal axis on the impression cylinder and put away from it.
  • a radial offset can be compensated by this separate Radialeinstellstoff 23, which occurs in the height adjustment by turning the eccentric.
  • the bearing bracket 16 by a linear guide 24, which is formed in the embodiment shown as a single rail track bed guide, transverse to the roll longitudinal axis 9 along the horizontal linear guide axis relative to the frame 5 adjustable.
  • the linear guide 24 is assigned an adjusting means 25 in the form of an adjusting spindle which engages between the frame 5 and the bearing bracket 16.
  • the procedure is advantageously as follows: First, the bearing plate 10 is aligned exactly parallel to the longitudinal axis of the impression cylinder on the first bearing side 3. For this purpose, the screws 13 are adjusted accordingly until the desired orientation of the bearing plate 10 is found. In this case, the bearing block 7 may be placed on the bearing plate 10, but advantageously it may also be removed therefrom.
  • the bearing 15 of the second bearing side 4 is first of all height-adjusted on the second bearing side 4 by turning the eccentric 17.
  • the eccentric sleeve 17 is thereby rotated until the desired altitude is found and the bearings 15 and 6 lie on the two bearing sides 3 and 4 in a common height plane which is exactly parallel to the impression cylinder longitudinal axis. Then occurring by the rotation of the eccentric radial offset by the adjusting spindle 15, which is converted into a corresponding radial movement of the bearing support 16, balanced.
  • the bearing 15 comes into a position in which the bearing 15 and the bearing 6 on the two bearing sides 3 and 4 form an aligned bearing axis, which is aligned exactly parallel to the impression cylinder, so that between the two bearings 15 and 6 inserted pressure roller 1 is aligned parallel to the impression cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Ink Jet (AREA)
  • Pens And Brushes (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (15)

  1. Procédé de réglage de la position du groupe d'impression (2) d'une machine à imprimer, dans lequel au moins un rouleau (1) du groupe d'impression (2) peut être aligné sensiblement parallèlement à un cylindre de contre-pression par le réglage des paliers (6, 15) sur des côtés opposés du rouleau (1), caractérisé en ce que les deux côtés de support (3, 4) sont réglés en position successivement, sachant que d'abord, dans une première étape, un premier côté de support (3) est réglé en position angulaire, de telle sorte que le palier (6) sur le premier côté de support (3) est aligné avec son axe de rotation autant que possible parallèlement à l'axe longitudinal du cylindre de contre-pression, et ensuite, dans une deuxième étape, le deuxième côté de support (4) est réglé en hauteur de telle sorte que le palier (15) sur le deuxième côté de support (4), conjointement avec le palier (6) sur le premier côté de support (3), forme, parallèlement à l'axe longitudinal du cylindre de contre-pression, un axe de support aligné.
  2. Procédé selon la revendication précédente, dans lequel, au cours de la première étape, une plaque de support (10), sur laquelle peut être fixé un support de palier (7) portant le palier (6), est alignée parallèlement à l'axe longitudinal du cylindre de contre-pression, moyennant un réglage de la position angulaire.
  3. Procédé selon la revendication précédente, dans lequel le rouleau (1) est démonté pendant que la plaque de support (10) est réglée en position angulaire.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel, au cours de la deuxième étape, un excentrique (17) portant le palier (15) est amené en rotation sur le deuxième côté de support (4).
  5. Procédé selon l'une quelconque des revendications précédentes, dans lequel le premier côté de support et/ou le deuxième côté de support sont bloqués après le réglage en position.
  6. Presse à imprimer comportant un groupe d'impression (2), qui comporte au moins un rouleau (1) et un cylindre de contre-pression, le rouleau (1) étant monté rotatif sur un bâti (5) au moyen de deux paliers (6, 15) sur des côtés (3, 4) opposés, et un dispositif de réglage (12, 26) étant prévu pour le réglage de la position du rouleau (1) par rapport au cylindre de contre-pression,
    caractérisée en ce que le dispositif de réglage comporte, pour un premier des deux paliers (6, 15), sur un premier côté (3) du rouleau (1), des moyens de réglage (12) séparés pour le réglage angulaire uniquement du premier palier (6) par rapport au deuxième palier (15) sur l'autre côté (4) et pour l'alignement de l'axe de rotation du premier palier si possible parallèlement à l'axe longitudinal du cylindre de contre-pression, ainsi que pour le deuxième palier (15), sur le deuxième côté du rouleau (1), des moyens de réglage en hauteur et en position radiale (17, 24, 25) séparés pour le réglage de la hauteur et de la position radiale uniquement dudit deuxième palier (15) radialement par rapport au cylindre de contre-pression, conformément à la position angulaire préalablement réglée du premier palier (6), par rapport au premier palier (6), ainsi que par rapport au bâti (5) dans deux directions verticales transversalement à la direction longitudinale du cylindre de contre-pression.
  7. Presse à imprimer selon la revendication précédente, dans laquelle les moyens de réglage (12, 26) sur les deux côtés de support (3, 4) comportent chacun au moins deux axes de réglage.
  8. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle les moyens de réglage (12, 26) sur les deux côtés de support (3, 4) sont réalisés différemment l'un de l'autre, en particulier possèdent des axes de mouvement différents.
  9. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle les moyens de réglage (12) sur le premier côté de support (3) entrent en prise entre le bâti (5) et une plaque de support (10), sur laquelle est monté de manière mobile longitudinalement un support de palier (7) portant le palier (6).
  10. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle à la plaque de support (10) est associée au moins une vis de réglage (13), qui peut être ajustée sensiblement perpendiculairement au plan de la plaque de support (10).
  11. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle les moyens de réglage (26) sur le deuxième côté de support (4) comportent un excentrique (17) pour le réglage de la position des paliers.
  12. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle l'excentrique comporte une douille (17), dans laquelle est reçu le palier (15) du deuxième côté de support (4).
  13. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle les moyens de réglage (26) sur le deuxième côté de support (4) comportent un système de réglage linéaire pour le réglage du palier (15) radialement par rapport au cylindre de contre-pression.
  14. Presse à imprimer selon l'une quelconque des revendications précédentes, dans laquelle un dispositif de serrage (21), destiné à immobiliser la position réglée, est associé aux moyens de réglage (12, 26) sur le premier et/ou le deuxième côté de support (3, 4).
    European Patent application No. 07 711 880.0
  15. Presse à imprimer selon la revendication précédente en association avec la revendication 8, dans laquelle une vis de serrage (22) est associée à l'excentrique (17).
EP07711880A 2006-03-15 2007-03-05 Presse à imprimer et procédé de réglage de la position de son groupe d'impression Not-in-force EP2117844B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006011926A DE102006011926B4 (de) 2006-03-15 2006-03-15 Verfahren zur Lageeinstellung des Druckwerks einer Druckmaschine sowie Vorrichtung zur Durchführung dieses Verfahrens
PCT/EP2007/002074 WO2007104488A1 (fr) 2006-03-15 2007-03-05 Presse à imprimer et procédé de réglage de la position de son groupe d'impression

Publications (2)

Publication Number Publication Date
EP2117844A1 EP2117844A1 (fr) 2009-11-18
EP2117844B1 true EP2117844B1 (fr) 2010-06-02

Family

ID=38110276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07711880A Not-in-force EP2117844B1 (fr) 2006-03-15 2007-03-05 Presse à imprimer et procédé de réglage de la position de son groupe d'impression

Country Status (5)

Country Link
EP (1) EP2117844B1 (fr)
AT (1) ATE469763T1 (fr)
DE (2) DE102006011926B4 (fr)
ES (1) ES2344866T3 (fr)
WO (1) WO2007104488A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986454A (en) * 1973-07-09 1976-10-19 Granger Wallace H Multi-purpose side frames for rotary printing press
FR2705612A1 (fr) * 1993-03-09 1994-12-02 Depond Bernard Groupe d'impression pour machine flexographique.
DE19516004C2 (de) * 1995-05-02 1997-05-07 Windmoeller & Hoelscher Druckmaschine
DE19624393A1 (de) * 1996-06-19 1998-01-02 Roland Man Druckmasch Fliegend gelagerte Druckwerkzylinder
DE59605059D1 (de) * 1996-09-03 2000-05-31 Gimaco Ing Ag Vorrichtung zum Einstellen einer Farbwerks- bzw. Feuchtwerkswalze einer Druckmaschine
DE19937783A1 (de) * 1999-08-10 2001-02-15 Roland Man Druckmasch Druckwerk
DE10008215B4 (de) * 2000-02-23 2013-03-28 Manroland Web Systems Gmbh Druckwerk für eine Rotationsdruckmaschine mit Kreuzschlitten
DE10045146A1 (de) * 2000-09-13 2002-05-23 Ina Schaeffler Kg Lagerung für Zylinder oder Trommeln in Druckmaschinen

Also Published As

Publication number Publication date
ATE469763T1 (de) 2010-06-15
DE502007004042D1 (de) 2010-07-15
EP2117844A1 (fr) 2009-11-18
DE102006011926A1 (de) 2007-10-11
ES2344866T3 (es) 2010-09-08
WO2007104488A1 (fr) 2007-09-20
DE102006011926B4 (de) 2010-03-18

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