EP0053277B1 - Cylindres pour groupes d'impression de presses rotatives - Google Patents

Cylindres pour groupes d'impression de presses rotatives Download PDF

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Publication number
EP0053277B1
EP0053277B1 EP81108967A EP81108967A EP0053277B1 EP 0053277 B1 EP0053277 B1 EP 0053277B1 EP 81108967 A EP81108967 A EP 81108967A EP 81108967 A EP81108967 A EP 81108967A EP 0053277 B1 EP0053277 B1 EP 0053277B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
bearer
centering
face
printing units
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
Application number
EP81108967A
Other languages
German (de)
English (en)
Other versions
EP0053277A1 (fr
Inventor
Willi Jeschke
Lothar Stadler
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
Priority to AT81108967T priority Critical patent/ATE9296T1/de
Publication of EP0053277A1 publication Critical patent/EP0053277A1/fr
Application granted granted Critical
Publication of EP0053277B1 publication Critical patent/EP0053277B1/fr
Expired 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
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders
    • B41F13/21—Bearer rings

Definitions

  • the invention relates to cylinders for printing units of rotary printing presses with bearer rings lying on both sides of the cylinder end faces, which are fastened centered on the cylinder to its axis of rotation by means of a conical centering ring surface.
  • a known embodiment of this type (DE-OS 2 847 880) uses conical seat surfaces on the steering knuckles on both sides of the cylinder and matching conical counter-seat surfaces in the bearer ring for mounting the bearer rings.
  • the slope of the cones is selected so that the bearer rings are self-locking after they are placed on the cones and therefore do not have to be fastened any further.
  • DE-A 2 701 637 also shows in part. Bearings axially screwed to the cylinder face, which are centered on conical or cylindrical mating surfaces and can only be produced with great effort. With this version, too, pass rust can be expected after a short time, so that in addition to the high costs, inaccuracies in the concentricity of the bearer rings can be expected.
  • the French document FR-A 426 673 shows no bearer rings which are attached laterally to the cylinder faces. A centering of the cylinder jacket on an axis is shown here, but its attachment by means of cones does not achieve a centering effect that can be used for bearer rings with a high degree of smoothness, so that this document does not provide any suggestion for centering a bearer ring.
  • the object of the invention is to provide storage and fastening of the bearer ring on a printing couple cylinder, which ensures precise centering, in which the bearer ring is easy to assemble and disassemble and in which the bearer ring is stored unaffected by elastic deformations of its surroundings that pass rust is also prevented.
  • the cylinder 1 can e.g. a plate cylinder, a blanket cylinder, an impression cylinder or the like, as are used in printing units of rotary printing presses.
  • Such cylinders are under mutual contact pressure, which causes an elastic deflection of the journal 2.
  • bearer rings 3 are provided on both sides of the end faces, which roll on one another, i.e. The contact pressure between the cylinders must be so great that the bearer rings cannot lift apart when the machine is in operation.
  • a centering is provided directly next to the cylindrical end face 4, which is designed according to FIG. 1 as a cylindrical centering ring 5 adjacent to this.
  • the centering ring 5 in turn has a centering edge 6 which cooperates with a conical centering ring surface 7 in such a way that it is elastically and plastically deformed after the centering and fastening process.
  • a large number of long expansion screws 8 are provided as clamping means for the press connection between the bearer ring 3 and the cylindrical end face 4, which are arranged in the region of the journal 2.
  • the centering edge 6 is only used for exact centering of the bearer ring 3, while the expansion screws 8 exert such a high contact pressure of the bearer ring 3 on the centering end face 4 that the radially acting contact forces of the cylinders cannot have a change in position. If the cylinder is e.g. Removed to replace the bearer rings, pulling them off the centering edges is completely unproblematic and the new bearer rings are centered just as precisely as the ones used previously and then screwed to the cylinder body to form a unit.
  • the embodiment according to FIG. 2 differs from that described above in that a conical centering ring surface 9 is provided directly adjacent to the cylinder end face 4.
  • the bearer ring 10 has a centering edge 12 in its central bore 11 on the side facing the cylinder 1.
  • This embodiment differs from FIG. 1 in that the centering edge 12 is provided on the bearer ring 10, the mode of operation, i. the centering of the bearer ring is exactly the same as the embodiment described in FIG. 1.
  • Fig. 2 is shown by a rotary arrow 13, how the axles bend elastically when the cylinders are turned and rotating, without the Centering of the bearer ring is influenced.
  • the deflection of the axle journals is shown significantly increased in the drawing example; in practice it is only a few microns.
  • FIG. 3 shows the bearer ring 3, 10 from the end face and the expansion screws 8 provided in the area of the journal 2.
  • the two bores 14 are provided in the cylinder 1 for the clamping spindles (not shown) which are known per se.
  • the centering shown in FIG. 4, enlarged in FIG. 1, shows the elastic-plastic deformation of the centering edge 6 in a greatly exaggerated manner.
  • the interaction of the centering edge 6 with the conical centering ring surface 7 is designed such that the edge is only permanently deformed so that it is retained as a highly precise centering.
  • Both the centering edge 6 and the centering edge 12 can be formed with sharp edges. In practice, however, a slight rounding or a very narrow phase at the centering edge has proven itself. The radius used or the width of the phases are only fractions of a millimeter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Claims (3)

1. Cylindre pour groupes d'impression de presses rotatives, comprenant, des deux côtés, des couronnes de bavochage (3, 10) appliquées contre les surfaces radiales (4) du cylindre, qui sontfixées au cylindre (1), en position centrée par rapport à l'axe de rotation de celui-ci, au moyen d'une surface annulaire de centrage conique (7), caractérisé en ce que la couronne de bavochage (3) présente, sur la face dirigée vers le cylindre (1), en partant de son alésage cylindrique (11). la surface annulaire de centrage conique (7) avec laquelle elle est centrée par pression axiale sur un anneau de centrage cylindrique (5) qui est adjacent à la surface radiale (4) du cylindre.
2. Cylindre pour groupes d'impression de presses rotatives comprenant, des deux côtés, des couronnes de bavochage (3, 10) appliquées contre les surfaces radiales (4) du cylindre, qui sont fixées au cylindre (1 en position centrée par rapport à l'axe de rotation de celui-ci, au moyen d'une surface annulaire de centrage conique (9), caractérisé en ce que la couronne de bavochage (10) présente, sur la face dirigée vers le cylindre (1 ), dans sonalésage (11 en une position déportée par rapport à la surface radiale de la couronne de bavochage, une arête de centrage (12) avec laquelle elle est centrée par pression axiale sur la surface annulaire de centrage (9) conique qui est adjacente à la surface radiale (4) du cylindre.
3. Cylindre selon les revendications 1 et 2, caractérisé en ce que, comme moyens de serrage pour la liaison axiale avec pression entre la couronne de bavochage (3, 10) et la surface radiale (4) du cylindre, sont prévues dans la région du tourillon (2) un grand nombre de vis à tige allégée (8) de grande longueur, connues en soi.
EP81108967A 1980-12-02 1981-10-27 Cylindres pour groupes d'impression de presses rotatives Expired EP0053277B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108967T ATE9296T1 (de) 1980-12-02 1981-10-27 Zylinder fuer druckwerke von rotationsdruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803045384 DE3045384A1 (de) 1980-12-02 1980-12-02 Zylinder fuer druckwerke von rotationsdruckmaschinen
DE3045384 1980-12-02

Publications (2)

Publication Number Publication Date
EP0053277A1 EP0053277A1 (fr) 1982-06-09
EP0053277B1 true EP0053277B1 (fr) 1984-09-12

Family

ID=6118101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108967A Expired EP0053277B1 (fr) 1980-12-02 1981-10-27 Cylindres pour groupes d'impression de presses rotatives

Country Status (11)

Country Link
EP (1) EP0053277B1 (fr)
JP (1) JPS57117957A (fr)
AR (1) AR228882A1 (fr)
AT (1) ATE9296T1 (fr)
AU (1) AU547711B2 (fr)
CA (1) CA1180225A (fr)
DE (2) DE3045384A1 (fr)
DK (1) DK148790C (fr)
ES (1) ES8300288A1 (fr)
NO (1) NO151695C (fr)
ZA (1) ZA817614B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO156440C (no) * 1984-08-24 1987-09-23 Gustav Paulsen Anordning for kompensering av variasjon av klisjehoeyde.
DE3431149C2 (de) * 1984-08-24 1986-07-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Koaxialer Wellenansatz für Walzen von Rotationsdruckmaschinen
DE3442662A1 (de) * 1984-11-23 1986-06-05 Albert-Frankenthal Ag, 6710 Frankenthal Farbwerk
ATE522354T1 (de) * 2009-04-15 2011-09-15 Mueller Martini Holding Ag Vorrichtung zum bearbeiten einer materialbahn zwischen zwei gegenläufig antreibbaren arbeitswalzen
CN102092176B (zh) * 2010-12-20 2012-07-04 湖南汉升机器制造有限公司 印刷机组中印刷滚筒偏心轴承的轴向定位装置
CN103723538A (zh) * 2013-12-13 2014-04-16 中山市美高力印刷有限公司 一种带易拆装版辊筒的送纸装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR426673A (fr) * 1911-03-01 1911-07-12 Grafton Francais Ltd Ets Perfectionnements apportés aux moyens employés pour fixer et maintenir les rouleaux d'impression gravés ou rouleaux analogues, sur leurs mandrins ou axes
DE2701637C2 (de) * 1977-01-17 1985-06-27 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Schmitzring für Rotationsdruckwerke
DE2847880A1 (de) * 1978-11-04 1980-05-22 Maschf Augsburg Nuernberg Ag Anordnung zur loesbaren befestigung eines schmitzringes
DE2910391C2 (de) * 1979-03-16 1985-01-10 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Anordnung zur Befestigung von Stützringen auf den Zapfen der Zylinder von Druckmaschinen

Also Published As

Publication number Publication date
DK148790C (da) 1986-03-24
AR228882A1 (es) 1983-04-29
NO151695B (no) 1985-02-11
DE3166070D1 (en) 1984-10-18
JPS57117957A (en) 1982-07-22
EP0053277A1 (fr) 1982-06-09
AU7739981A (en) 1982-06-10
ES507203A0 (es) 1982-11-01
NO814091L (no) 1982-06-03
JPS647584B2 (fr) 1989-02-09
DK521581A (da) 1982-06-03
DE3045384A1 (de) 1982-12-16
DK148790B (da) 1985-09-30
NO151695C (no) 1985-05-22
ATE9296T1 (de) 1984-09-15
CA1180225A (fr) 1985-01-02
ZA817614B (en) 1982-10-27
AU547711B2 (en) 1985-10-31
ES8300288A1 (es) 1982-11-01

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