EP0803354B1 - Cylindre d'une presse rotative avec un diamètre extérieur modifiable - Google Patents

Cylindre d'une presse rotative avec un diamètre extérieur modifiable Download PDF

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Publication number
EP0803354B1
EP0803354B1 EP97103615A EP97103615A EP0803354B1 EP 0803354 B1 EP0803354 B1 EP 0803354B1 EP 97103615 A EP97103615 A EP 97103615A EP 97103615 A EP97103615 A EP 97103615A EP 0803354 B1 EP0803354 B1 EP 0803354B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cylinder jacket
jacket
anyone
symmetry
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
EP97103615A
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German (de)
English (en)
Other versions
EP0803354A3 (fr
EP0803354A2 (fr
Inventor
Rudi Haupenthal
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0803354A2 publication Critical patent/EP0803354A2/fr
Publication of EP0803354A3 publication Critical patent/EP0803354A3/fr
Application granted granted Critical
Publication of EP0803354B1 publication Critical patent/EP0803354B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • the invention relates to a sheet guide cylinder, one Rotary printing machine, the outside diameter of which is elastic deformable, partially circular, inherently rigid cylinder jacket by means of a adjusting device acting on the cylinder jacket is changeable.
  • GB 2 166 388 describes a circumferentially adjustable Printing press cylinder with a deformable cylinder jacket segment, the one external, the cylinder curvature substantially corresponding arcuate section and two inwardly extending at an acute angle Has leg, which is firmly connected to the cylinder base body via screws are.
  • two independent adjustment screws which are screwed into the threaded holes of the Cylinder base body are included and on the associated outer sides of the Act leg, it is with a very special choice of the cylinder jacket segment spanned angle and between the surface normal of the Jacket segment and the adjustment screws included angle possible, that To have concentric cylinder jacket segment.
  • GB 1 230 314 describes an adjustable transfer cylinder for a Printing machine which has peripheral surface segments, which with the help of a two coupled eccentric adjusting device and one by a Actuated cam, the eccentric rotating toggle are radially movable.
  • EP 0 185 965 describes a transfer drum for a printing press, which comprises a total of three shell segments, each pivotable with its first end are stored near an associated gripper device of the transfer cylinder and the other end of each by means of a control disc rotatable about the cylinder axis can be moved outwards or inwards.
  • the known construction has the disadvantage that the relatively thin material (e.g. chrome foil) existing cylinder jacket only locally is supported and therefore has a polygonal contour. Furthermore, at one punctiform load dented the chrome foil and the associated support plate and damaged. This can e.g. B. already done through a crumpled sheet. In the area the clamping point, the known design has no roundness.
  • the relatively thin material e.g. chrome foil
  • the invention is therefore based on the object of a cylinder of the type mentioned Specify type that improves on the disadvantages mentioned above is trained.
  • the configuration according to the invention creates a cylinder jacket which in essentially has an inherent rigidity, that is to say that it inherently approx has part-circular contour without this being generated by the support measures becomes.
  • the inherent rigidity is designed such that a sufficient Dimensional stability is given, however, for a diameter adjustment corresponding elasticity remains.
  • This cylinder jacket works with an actuator together, which is radially displaceable relative to an inner cylinder body. For this the actuator is mounted on the cylinder body in an adjustable manner in the radial direction. A Relocation of the actuator leads to the cylinder jacket with its area which the control element attacks, is displaced in the same direction, that is, in the same radial direction.
  • This radial displacement takes place depending on the direction for an area of the Cylinder jacket an increase or decrease in diameter, wherein however, the remaining areas of the cylinder jacket for optimization of the Diameter adjustment must also be shifted.
  • This is done by a elastic deformation of the cylinder jacket, that is, it is by means of a Force deflection device deformed accordingly, with the force deflection device on the cylinder jacket exclusively forces or only torques or Exerts forces and torques to set the desired contour. Due to the The inherent rigidity of the cylinder jacket is only a few force and / or Moment application points required, so that the force deflection device is very simple can be trained. This simple training also meets one Adjustment device with which the actuating part is displaced radially relative to the cylinder body can be.
  • a travel path is derived, which the Force deflecting device which acts on the deformation of the Cylinder jacket.
  • the force deflection device acts in particular on the End areas of the cylinder jacket, that is to the end areas of the cross section part-circular contour.
  • the cylinder jacket on the actuator is attached.
  • the cross-sectional contour of the cylinder jacket is preferably radial extending symmetry plane formed symmetrically.
  • the attachment of the cylinder jacket on the actuator preferably takes place in the area of this plane of symmetry, so that the Area of the cylinder jacket assigned to the plane of symmetry by means of the actuating part at Actuating the adjusting device is shifted radially.
  • the cylinder body has a circular cylindrical cross section having.
  • it can form the shaft of the cylinder.
  • the actuator is preferably on by means of sliding blocks supported on the cylinder body this stored, which enables the straight radial movement.
  • two sliding blocks arranged symmetrically to the plane of symmetry available.
  • the word "each" mentioned in the previous sentence indicates that - about the Seen longitudinal extension of the cylinder - several assemblies of the adjusting device are provided so that the entire cylinder surface can be adjusted evenly.
  • assemblies are provided in the end regions of the cylinder.
  • the assemblies are either all adjusted evenly or differently, for example to obtain a spherical contour of the cylinder.
  • the formation of concave contours possible to bring about special pressure stands. That way for example, tight printing can be avoided.
  • - of simplicity for the sake of detail only on one assembly of the cylinder, but as mentioned above several such assemblies spaced from one another over the longitudinal extent of the Cylinder can be arranged distributed.
  • the force deflection device Has double levers which are pivotally mounted on the actuating part and each with their one, first lever arm with the cylinder body and with its other, second lever arm on the Act on the cylinder jacket. Is there a radial displacement of the actuator relative to Cylinder body, the double levers pivot due to the support of their first Lever arms on the cylinder body. Due to the pivoting movements of the double lever by means of their second lever arms, an action on the cylinder jacket, namely on the Inside of the cylinder jacket, so that this causes an elastic deformation becomes.
  • the application can take place by means of forces and / or torques, depending on which curve shape the outer contour of the cylinder should receive.
  • the aim is mostly a part-circular contour that best matches a mathematical part-circle is approximated.
  • the double lever can preferably be designed as an angle lever, that is, the two Lever arms of each double lever enclose an angle.
  • the Cross section of the cylinder jacket is tapered towards its end regions. Suitable material and / or cross-sectional contour selection can be used in this way achieve a bending characteristic that, in cooperation with the force deflection device the desired cylinder jacket contour.
  • FIG. 1 shows a schematic side view of a rotary printing press 1, the two Printing units 2.3 has.
  • the printing units have a large number of cylinders have different tasks, with at least some of the cylinders Form sheet guide drums that transport the sheets to be printed.
  • the outer diameter is to be adapted to different thicknesses of paper certain cylinders changeable.
  • FIG. 2 shows the principle of a cylinder which is adjustable in the outer diameter.
  • 4 is the axis of rotation of such a cylinder 5 marked. It has a cylinder jacket 6, which is part-circular.
  • a plane of symmetry 8 which also passes through Axis of rotation 4 runs.
  • FIG. 3 shows an embodiment according to the principle of operation of Figure 2.
  • the cylinder 5 has an inner cylinder body 11 which can be rotated in by means of bearings (not shown) the rotary printing press is stationary.
  • the cylinder body 11 has one circular cross section.
  • An actuator 12 is in the form of an adjusting ring 13, the has an inner bore 14 which has a larger diameter than the cylinder body 11 having.
  • the adjusting ring 13 is radially displaceable on the Cylinder body 11 mounted, namely a radial displacement in the direction of Plane of symmetry 7 and perpendicular to the axis of rotation 4 possible.
  • the radial displacement of the adjusting ring 13 relative to the cylinder body 11 is by means of a Adjustment device 18 possible, which has a threaded spindle 19 which in a Threaded bore 20 of the cylinder body 11 is screwed. Threaded spindle 19 and Threaded bore 20 lie in the plane of symmetry 7 and run under a right one Angle to the axis of rotation 4. The threaded spindle 19 passes through a radial bore 21 of the Adjustment ring 13 and at the end has an adjustment knob 23 provided with a scale 22.
  • the adjusting knob 23 has a larger diameter than the radial bore, so that it can be supported on a support surface 24 of the adjusting ring 13.
  • a slide ring 25 is with the Threaded spindle 19 pinned and is - with little play - a support surface 26 one Recess 27 opposite, the recess 27 as an open edge, from the inner bore 14 outgoing recess is formed. In this way you can Turning the adjusting knob 23, the relative position between the adjusting ring 13 and Adjust the cylinder body 11 in the radial direction.
  • the set value can be changed using a Read pointer 28 from scale 22.
  • a gripper support bar 29 and a gripper system 30 are on the cylinder body 11 attached.
  • the cylinder jacket 6 of the cylinder 5 is part-circular, that is, between its ends 31 there remains a circumferential angle Gap space in which the adjusting button 23 and the gripper support bar 29 and that Gripper system 30 are.
  • the cylinder jacket 6 is by means of Fastening screws 32 attached to the adjusting ring 13.
  • the Cylinder jacket 6 has a support surface 33 which by means of the fastening screws 32 with the Periphery 34 of the adjusting ring 13 is clamped.
  • On the setting ring 13 is one Force deflection device 35 arranged. It has two double levers 36, which as Angle levers 37 are formed.
  • Each angle lever 37 has a first lever arm 38, whose crowned end region 39 with the lateral surface of the cylinder body 11 cooperates, that is, is supported there.
  • the second lever arm 40 which is under one An angle between 0 ° and 180 °, preferably 90 ° to the first lever arm 38, points in End region 41 has a roller 42, which is located on the inner surface 43 of the cylinder jacket 6 is supported in the end region 44 of the cylinder jacket 6.
  • the respective angle lever 37 is in his knee area pivotally mounted on the adjusting ring 13 by means of a bolt 45, wherein this bearing preferably above the plane of symmetry 8, that is, on the Setting device 18 has the side of the adjusting ring 13.
  • the cylinder jacket 6 In the area of the plane of symmetry 7 is the cylinder jacket 6 with its greatest wall thickness Mistake. Starting from the support surface 33, the wall thickness increases symmetrically Plane of symmetry 7- towards the ends 31, the outer surface 46 of the Cylinder jacket has a partial circular shape and the inner surface 43 for this purpose such course takes so that the cross-sectional taper towards the ends 31 results.
  • the cylinder jacket 6 is made with the smallest radius, that is, a larger one To bring about the diameter of the cylinder jacket 6, it must be by means of an adjusting device 47 can be expanded.
  • This adjustment device 47 includes, among others Adjustment device 18, the actuating part 12 and the force deflection device 35. In the same It is possible that the cylinder jacket 6 is made with the largest radius, the Cylinder jacket for setting a smaller diameter by a not shown corresponding adjustment device is contracted.
  • the diameter or the radius r of the cylinder 5 can be enlarged, for example set to the largest radius R. are, this is done by turning the adjusting knob 23. While in Figure 3 the The smallest diameter of the cylinder 5 is shown in FIG. 4 largest possible diameter of this cylinder.
  • the Adjustment knob 23 By turning the Adjustment knob 23, the threaded spindle 19 deeper into the threaded bore 20th screwed, whereby the adjusting ring 13 in a radial way, namely in the Plane of symmetry 7 is shifted relative to the cylinder body 11.
  • FIG. 5 shows a side view of the configuration according to FIG. 3 or 4, it being clear that the adjusting device 47 at the front end of the Cylinder 5 is located.
  • 5 shows a center line 49 of the cylinder 5, the center line 49 also forms the center line of the rotary printing press. Beyond the Center line 49 is also on the other side of cylinder 5, not shown an adjusting device 47.
  • FIG. 6 shows, in a schematic representation, a further exemplary embodiment of the Invention, for simplicity only the differences from the embodiment of the previous figures are explained.
  • the cylinder body 11 has in the Embodiment of Figure 6 has a relatively large diameter, it is almost as large as the outer diameter of the adjusting ring 13.
  • the two parts are one behind the other - in Considered the longitudinal direction of the axis of rotation 4.
  • the adjusting ring 13 has one edge-open recess 50 in each of the two upper quadrants through the Planes of symmetry 7 and 8 formed arrangement, being in the open edge Recess 50 opens a control groove 51 of the adjusting ring 13.
  • a toggle lever 53 pivotally mounted on the cylinder body 11, the one in its End portion 54 carries a roller 55 engaging in the control groove 51 and in its other End region 56 has a spherical contact surface 57, which is located on a projection 58 of the Cylinder jacket 6 supports.
  • the projection 58 goes from the inner surface 43 of the Cylinder jacket 6 and runs in the radial direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (11)

  1. Cylindre d'une machine rotative à imprimer (1), sur lequel passent les feuilles et dont le diamètre extérieur est modifiable, grâce à une enveloppe (6) de cylindre qui est déformable élastiquement, qui a une forme en segment de cercle et qui a sa rigidité propre, au moyen d'un dispositif de positionnement (47) agissant sur l'enveloppe (6) du cylindre,
    caractérisé
    en ce que le dispositif de positionnement (47) comprend une partie de commande (12) qui est déplacable radialement par rapport à un corps intérieur de cylindre (11), qui prend appui sur ce dernier et qui entraíne en déplacement l'enveloppe (6) du cylindre dans une même direction radiale et en ce qu'une course dérivée du déplacement radial forme la course de commande d'un dispositif (35) de renvoi de force qui fait partie du dispositif de positionnement (47) et qui agit sur les zones d'extrémité (44) de l'enveloppe (6) du cylindre pour sa déformation.
  2. Cylindre selon la revendication 1,
    caractérisé
    en ce que l'enveloppe (6) du cylindre est fixée à la partie de commande (12).
  3. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que le contour en coupe transversale de l'enveloppe (6) du cylindre est réalisé symétriquement par rapport à un plan radial de symétrie (7).
  4. Cylindre selon les revendications 2 et 3,
    caractérisé en ce que la fixation de l'enveloppe (6) du cylindre à la partie de commande (12) est exécutée dans la zone du plan de symétrie (7).
  5. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que le corps (11) de cylindre a une section transversale cylindrique à base circulaire.
  6. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que la partie de commande (12) est montée sur le corps (11) du cylindre au moyen de patins de glissement (15) prenant appui sur ce dernier.
  7. Cylindre selon les revendications 3 et 6,
    caractérisé par
    deux patins de glissement respectifs (15), disposés symétriquement par rapport au plan de symétrie (7).
  8. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que le dispositif de renvoi de force (35) comprend des leviers doubles (36) qui sont montés pivotants sur la partie de commande (12) et dont chacun coopère par son premier bras de levier (38) avec le corps (11) du cylindre et agit par son autre, deuxième bras de levier (40) sur l'enveloppe (6) du cylindre.
  9. Cylindre selon la revendication 8,
    caractérisé
    en ce que les leviers doubles (36) sont conformés en leviers coudés (37, 53).
  10. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que le dispositif de renvoi de force (35) agit sur l'enveloppe (6) du cylindre par des forces (F) et/ou des couples de rotation (M).
  11. Cylindre selon l'une des revendications précédentes,
    caractérisé
    en ce que la section transversale de l'enveloppe (6) du cylindre se rétrécit vers ses zones d'extrémité (44).
EP97103615A 1996-04-27 1997-03-05 Cylindre d'une presse rotative avec un diamètre extérieur modifiable Expired - Lifetime EP0803354B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19617021A DE19617021A1 (de) 1996-04-27 1996-04-27 Zylinder einer Rotationsdruckmaschine mit veränderbarem Außendurchmesser
DE19617021 1996-04-27

Publications (3)

Publication Number Publication Date
EP0803354A2 EP0803354A2 (fr) 1997-10-29
EP0803354A3 EP0803354A3 (fr) 1998-01-07
EP0803354B1 true EP0803354B1 (fr) 1999-06-02

Family

ID=7792729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103615A Expired - Lifetime EP0803354B1 (fr) 1996-04-27 1997-03-05 Cylindre d'une presse rotative avec un diamètre extérieur modifiable

Country Status (5)

Country Link
US (1) US5862755A (fr)
EP (1) EP0803354B1 (fr)
JP (1) JPH1034883A (fr)
CZ (1) CZ291414B6 (fr)
DE (2) DE19617021A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120952A1 (de) * 2000-05-17 2001-11-22 Heidelberger Druckmasch Ag An- und abstellbare Leitelemente für das Auswechseln eines Druckträgers
DE10324677B4 (de) * 2002-06-26 2017-02-16 Heidelberger Druckmaschinen Ag Zylinder einer Bedruckstoff verarbeitenden Maschine mit einer Einrichtung zur Einstellung eines Durchmessers des Zylinders
DE10355045B4 (de) * 2002-12-20 2018-09-06 Heidelberger Druckmaschinen Ag Verfahren zur Variation eines Trommelprofils einer Vario-Trommel und Vario-Trommel zur Durchführung des Verfahrens
JP2008142905A (ja) * 2006-12-06 2008-06-26 Shinohara Machinery Co Ltd 枚葉印刷機の爪座機構
JP2008114592A (ja) * 2006-11-06 2008-05-22 Heidelberger Druckmas Ag 枚葉紙をフィードするための渡し胴
DE102009019020B4 (de) * 2008-05-23 2021-05-20 Heidelberger Druckmaschinen Ag Vorrichtung zum Wenden eines Bogen während des Förderns durch eine Druckmaschine
WO2014083610A1 (fr) 2012-11-27 2014-06-05 リケンテクノス株式会社 Film cosmétique

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558689A (en) * 1948-03-05 1951-06-26 Murray D J Mfg Co Variable diameter winder shaft
CH499388A (fr) * 1968-03-01 1970-11-30 Miller Printing Machinery Co Cylindre de transfert de feuilles de presse à imprimer
GB1230314A (fr) * 1969-10-23 1971-04-28
US3602140A (en) * 1970-02-09 1971-08-31 Ralph E Sudduth Rotary antismut device having radially adjustable sheet-supporting wheels
US3654861A (en) * 1970-04-06 1972-04-11 Planeta Veb Druckmasch Werke Sheet carrier cylinder for use in a polychrome rotary printing press adapted for both one-side and two-side printing
DE2824733C2 (de) * 1978-06-06 1984-03-15 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Umführtrommel für Schön- und Widerdruckmaschinen
GB2166388B (en) * 1984-09-28 1988-10-26 Rotaprint Plc Expanding cylinder
DE3447596A1 (de) * 1984-12-28 1986-07-03 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenuebertragungszylinder fuer bogenrotationsdruckmaschinen
DE3902923C2 (de) * 1988-03-16 1994-06-01 Heidelberger Druckmasch Ag Bogenführungstrommel für Bogenrotationsdruckmaschinen
DE4315513C2 (de) * 1993-05-10 2001-11-08 Heidelberger Druckmasch Ag Einrichtung zur Formatanpassung einer Bogenübergabetrommel
DE4434828C1 (de) * 1994-09-29 1995-11-16 Roland Man Druckmasch Bogenführungstrommel mit verstellbarem Außendurchmesser
JP3629321B2 (ja) * 1994-12-20 2005-03-16 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 多色刷り枚葉紙輪転印刷機の枚葉紙引渡し胴

Also Published As

Publication number Publication date
EP0803354A3 (fr) 1998-01-07
EP0803354A2 (fr) 1997-10-29
DE59700181D1 (de) 1999-07-08
CZ291414B6 (cs) 2003-03-12
JPH1034883A (ja) 1998-02-10
US5862755A (en) 1999-01-26
CZ64997A3 (en) 1997-11-12
DE19617021A1 (de) 1997-11-06

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