EP0132532A1 - Cylindre pour une machine rotative d'impression - Google Patents

Cylindre pour une machine rotative d'impression Download PDF

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Publication number
EP0132532A1
EP0132532A1 EP84105957A EP84105957A EP0132532A1 EP 0132532 A1 EP0132532 A1 EP 0132532A1 EP 84105957 A EP84105957 A EP 84105957A EP 84105957 A EP84105957 A EP 84105957A EP 0132532 A1 EP0132532 A1 EP 0132532A1
Authority
EP
European Patent Office
Prior art keywords
filler
pit
cylinder
blanket
fingers
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.)
Granted
Application number
EP84105957A
Other languages
German (de)
English (en)
Other versions
EP0132532B1 (fr
Inventor
Hermann Fischer
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0132532A1 publication Critical patent/EP0132532A1/fr
Application granted granted Critical
Publication of EP0132532B1 publication Critical patent/EP0132532B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1293—Devices for filling up the cylinder gap; Devices for removing the filler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/125—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end on a curvilinear path, e.g. by winding on a roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders

Definitions

  • the invention relates to a cylinder for a rotary printing press with at least one pit, in which fastening means for receiving the ends of a blanket or a printing plate and an axially extending filler for covering the pit after inserting the ends of a blanket or a printing plate are provided.
  • the object of the present invention is to develop a cylinder for a rotary printing press with at least one pit in such a way that the printing plates or blankets can be fixed by means of fewer parts, the filling piece being intended to be supported on the cylinder material itself after the printing plate or the blanket has been fastened , so that the clamping and fastening means not be burdened by contact pressures from the neighboring cylinder.
  • Figures 1 to 4 show a first embodiment of the invention.
  • the ends of a rubber blanket 3 are fastened in a pit 2 on a rubber cylinder 1 of an offset rotary printing machine for printing webs.
  • these are provided with reinforcing strips 4 and 5, which are inserted together into a slot 6 of a clamping spindle 7.
  • Fig. 1 shows the rubber blanket 3 in a tensioned state.
  • This figure shows that the pit 2 is completely covered in this state by a filler 8, that is closed.
  • 2 shows the filler 8 in the retracted state, in which the insertion of the reinforcing strips 4, 5 into the slot 6 is possible in a simple manner.
  • the filler piece 8 is then raised in an advantageous manner, so that its surface 9 adapted to the circular cylindrical contour of the rubber cylinder 1 adjoins the jacket of the rubber cylinder 1 smoothly.
  • the remaining slot in the pit 2 only corresponds to twice the thickness of the rubber blanket 3.
  • the filler 8 has spaced fingers 14 which, in a first axial position of the filler 8, can be moved through or between corresponding fingers 15, which are fixedly arranged in the cylinder pit 2, so that the filler 8 can be moved into the position shown in FIG shown lowered position can be brought, in which the introduction of the reinforcing strips 4, 5 of the rubber blanket 3 takes place.
  • the fingers 15 are preferably worked out in the cylinder material itself.
  • the filler 8 has a preferably continuous in the axial direction 10 with which the filler 8 in the pit 2 can be lowered and raised in said first axial position.
  • the lever bar 10 is arranged in a slot of a rotatable guide tube 11, not specified, so that when the guide tube 11 is rotated, the filler piece 8 rises and falls accordingly.
  • a worm drive consisting of a worm wheel 12 and a worm 13, which can both be arranged on the end face of the rubber cylinder 11, is suitable for rotating the guide tube 11.
  • the guide tube 11 protrudes slightly over a corresponding extension of the length of the rubber cylinder 1, so that the worm wheel 12 can be placed in a corresponding manner on its end face.
  • the guide tube 11 can be mounted in the rubber cylinder 1 in the usual way. After the reinforcement strips 4 and 5 have been inserted, the clamping spindle 7 is at least partially rotated before the filler piece 8 in the position shown in Figure 1 is raised. This is followed by an axial displacement of the filler piece 8, for which the eccentric drive shown in FIG. 12, consisting of an eccentric 29 and an axle journal 28 on the filler piece 8, which can also be arranged on an end face of the rubber cylinder 1, is used. As a result, the fingers 14 of the filler 8 reach above the corresponding fingers 15 fixedly arranged in the cylinder pit 2, so that they can be supported on them.
  • the filler 8 is supported in the operating state in the cylinder itself, so that no loads on the lifting and shifting devices can occur and there is also no fear of bending of the filler 8, since the fingers 15 and 14 can be arranged over the entire cylinder pit 2, so that an even support is guaranteed.
  • the guidance of the filler piece 8 on the cylinder bottom, as can be seen in FIGS. 1 and 2, in conjunction with the rest of the design of the filler piece 8 ensures that the filler piece 8 cannot tilt. 3 and 4, the axial displacement of the filler 8 is indicated by a double arrow "P".
  • FIGS. 5 to 8 show a modified embodiment, in which only one reinforcement strip 4 of the rubber blanket 3 is arranged in a tensioning spindle 18, while the reinforcement strip 5 of the other end of the rubber blanket 3 is fixed in the pit itself.
  • the reinforcing strip 5 of one end of the rubber blanket 3 can be easily inserted.
  • a retaining strip 16 with a recess 17 extending in the axial direction is provided in the cylinder pit 2 in the area of the pit bottom for fixing it. If the clamping spindle 18 is slightly rotated, the reinforcement is introduced Kungsology 5 through the peripheral region of the clamping spindle 18, which connects to the flattening 19.
  • FIG. 7 shows the extended position of the filler piece 8, in which the rubber blanket 3 is stretched.
  • a magnet system 20 is arranged on the clamping spindle 18, for example, which comes to lie in a certain circumferential position with respect to the reinforcing bar 5. If the reinforcement strip 5 is made of magnetizable material, the reinforcement strip 5 is attracted by the magnet 20 in this position, leaving the recess 17. If the clamping spindle 18 is now rotated slightly counterclockwise, the end of the rubber blanket 3 provided with the reinforcing strip 5 can be easily removed in accordance with the position shown in FIG. Previously, in the position of the tensioning spindle 18 shown in FIG. 6, the end of the rubber blanket provided with the reinforcing strip 4 could be pulled out of the tensioning spindle 18 in a simple manner. In contrast to the embodiment shown in FIGS. 1 to 4, the tension of the rubber blanket 3 is now carried out according to FIGS. 5 to 8 via the end of the rubber blanket inserted into the tensioning spindle 18 and provided with the reinforcing strip 4.
  • the invention is suitable both for use on blanket cylinders of offset rotary printing presses and on plate cylinders of offset rotary printing presses and also in rotogravure form cylinders for clamping a so-called "winding plate".
  • FIGS. 9 and 10 show, with the filler piece 8 retracted, the bent end 25 and the bent end 24 of a pressure plate 22 or a winding plate can be clamped onto a forme cylinder 21 which is equipped with a pit 23.
  • the bent end 24 of the offset printing plate or a winding plate 22 can be inserted into a recess 27 of a clamping spindle 26, which is indicated in FIG. 10.
  • the filler 8 is then moved out so that it assumes the outer position shown in FIG. 9, in which the pit 23 is closed, i.e. is covered.
  • the clamping spindle 26 was previously rotated accordingly.
  • the filler 8 By axially displacing the filler 8, it can be achieved in the manner already described that the filler 8 is in turn supported with its fingers 14 on the fingers 15 of the pit 23.
  • the filler 8 is passed on its right side directly through the clamping spindle 26 so that it cannot slip out of the slot of the guide tube 11.
  • FIG. 1 A particularly advantageous embodiment of a rubber blanket for use in the embodiments according to FIGS. 1 to 8 is shown in FIG.
  • the rubber blanket 30 consists of a rubber blanket 31 and a fabric that is designated at both ends with 32 and 33.
  • the blanket 31 can now be removed at both ends, so that only the textile fabric 32, 33 remains.
  • reinforcement strips 34, 35 can be attached to the textile trade 32 or 33.
  • the length of the blanket cover 31 is now such that, taking into account the specific stretch of the blanket 30 in the stretched state of the blanket 30 on a cylinder, the abutting edges 36, 37 abut against one another above the remaining channel opening, as a result of which a "seamless or smooth and bumpless "transition" is formed and the impression of a continuous blanket blanket is created over the entire circumference of the cylinder.
  • Another advantage of such a dimensioned blanket or blanket is that only the tapered ends of the blanket 30, ie the textile fabric 32, 33 in the pit is inserted, so that the remaining gap when the filler 8 is extended can be dimensioned so small that no more bumps are caused when rolling over, which are the cause of cylinder vibrations.
  • the filler 8 can e.g. can be moved axially using an eccentric drive.
  • 12 shows the rubber cylinder 1, on the right side of which an eccentric pin 28 engaging in the axle journal 29 of the filler 8 can be seen, through which the filler 8 is axially displaceable, as indicated by the arrow "B".
  • a hexagon 38 is used to turn the eccentric. 12 also shows the worm drive 12, 13 for rotating the guide tube 11 and the worm drive (not shown in more detail) for rotating the clamping spindle 8. 1

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP84105957A 1983-07-21 1984-05-25 Cylindre pour une machine rotative d'impression Expired EP0132532B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3326215 1983-07-21
DE3326215A DE3326215C2 (de) 1983-07-21 1983-07-21 Vorrichtung zum Aufspannen einer Druckplatte oder eines Gummituches

Publications (2)

Publication Number Publication Date
EP0132532A1 true EP0132532A1 (fr) 1985-02-13
EP0132532B1 EP0132532B1 (fr) 1986-09-10

Family

ID=6204482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105957A Expired EP0132532B1 (fr) 1983-07-21 1984-05-25 Cylindre pour une machine rotative d'impression

Country Status (4)

Country Link
US (1) US4510868A (fr)
EP (1) EP0132532B1 (fr)
JP (1) JPS6038156A (fr)
DE (2) DE3326215C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280141A2 (fr) * 1987-02-21 1988-08-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de recouvrement de la gorge d'un cylindre d'une rotative
EP0280159A2 (fr) * 1987-02-21 1988-08-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour recouvrir la rainure d'un cylindre d'une rotative d'impression
EP0807521A1 (fr) * 1996-05-17 1997-11-19 Mitsubishi Jukogyo Kabushiki Kaisha Procédée et dispositif d'accrochage d'un blanchet pour une machine rotative
US5749299A (en) * 1995-10-07 1998-05-12 Koenig & Bauer-Albert Aktiengesellschaft Method and apparatus for fastening and clamping printing plates with beveled edges

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437309A1 (de) * 1984-10-11 1986-04-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Einrichtung zur befestigung eines gummituches an einem gummituchzylinder
US4817527A (en) * 1986-03-06 1989-04-04 R.R. Donnelley & Sons Company Printing blanket with carrier plate and method of assembly
DE3644501A1 (de) * 1986-12-24 1988-07-07 Koenig & Bauer Ag Stuetzeinrichtung in einer zylindergrube
US4829896A (en) * 1987-05-18 1989-05-16 W. R. Grace & Co. Apparatus for attaching a printing blanket to a printing cylinder
DE4005093C1 (en) * 1990-02-17 1991-06-20 Man Roland Druckmaschinen Ag, 6050 Offenbach, De Forme clamp for printing cylinder - has channel in cylinder with spindle to clamp form eccentrically
US5052120A (en) * 1990-04-16 1991-10-01 Eastman Kodak Company Sheet positioning, clamping, and tensioning means
DE9017785U1 (de) * 1990-12-06 1992-01-02 Koenig & Bauer AG, 8700 Würzburg Axial verstellbarer Registerstift
DE4303872C2 (de) * 1992-04-24 1995-08-10 Roland Man Druckmasch Druckmaschine mit einem Formzylinder und Verfahren zur Druckvorbereitung des Formzylinders
US5284093A (en) * 1993-02-24 1994-02-08 Heidelberg Harris Inc. Plate cylinder with semi-automatic plate lock up
EP1026521B1 (fr) * 1995-04-12 2004-09-29 Matsushita Electric Industrial Co., Ltd. Méthode et appareil pour détecter un objet
US5711223A (en) * 1995-08-14 1998-01-27 Eugene L. Green, Sr. Magnetic plate cylinder
US6131513A (en) * 1998-10-23 2000-10-17 Heidelberger Druckmaschinen Ag Printing press with simple lock-up plate cylinder
JP3069098B1 (ja) * 1999-09-22 2000-07-24 株式会社東京機械製作所 印刷機のブランケット装着装置及びブランケット
DE102004008723A1 (de) * 2004-02-23 2005-09-15 Man Roland Druckmaschinen Ag Druckwerkzylinder mit einem Spannkanal
TWI316466B (en) * 2007-03-09 2009-11-01 Ind Tech Res Inst Mold structure and the manufacturing method thereof
DE102011108356A1 (de) * 2011-07-22 2013-01-24 Manroland Web Systems Gmbh Druckbildübertragungsplatte

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH321129A (fr) * 1953-09-02 1957-04-30 R W Crabtree & Sons Limited Cylindre d'impression
FR2496557A1 (fr) * 1980-12-24 1982-06-25 Roland Man Druckmasch Cylindre de plaque pour presses d'impression en rotogravure alimentees en feuilles
GB2094716A (en) * 1981-03-12 1982-09-22 Polygraph Leipzig Printing cylinder
EP0060939A1 (fr) * 1981-03-20 1982-09-29 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre de plaque avec dispositif de fixation des plaques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1545791A (en) * 1925-03-28 1925-07-14 Owen Malcolm Printing cylinder
US2056991A (en) * 1934-03-13 1936-10-13 Hoe & Co R Printing cylinder
US2105452A (en) * 1935-12-18 1938-01-11 New Era Mfg Company Plate clamp
US2375603A (en) * 1941-12-26 1945-05-08 Moore Business Forms Inc Cylinder for printing presses
US2539969A (en) * 1944-08-05 1951-01-30 Lafayette H Peevey Duplicating machine
US2973710A (en) * 1958-03-14 1961-03-07 Hantscho George Printing press rollers
US3217645A (en) * 1962-12-31 1965-11-16 Nat Steel Corp Magnetic securing means for flexible printing plates
FR1367860A (fr) * 1963-08-13 1964-07-24 Crabtree & Sons Ltd R Perfectionnement aux machines à imprimer rotatives
SE403353B (sv) * 1977-02-28 1978-08-14 Daetwyler & Co M Med bojliga tryckplattor forsedd och i sin lengdriktning delad formcylinder for rotationsdjuptryckmaskiner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH321129A (fr) * 1953-09-02 1957-04-30 R W Crabtree & Sons Limited Cylindre d'impression
FR2496557A1 (fr) * 1980-12-24 1982-06-25 Roland Man Druckmasch Cylindre de plaque pour presses d'impression en rotogravure alimentees en feuilles
GB2094716A (en) * 1981-03-12 1982-09-22 Polygraph Leipzig Printing cylinder
EP0060939A1 (fr) * 1981-03-20 1982-09-29 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre de plaque avec dispositif de fixation des plaques

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280141A2 (fr) * 1987-02-21 1988-08-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de recouvrement de la gorge d'un cylindre d'une rotative
EP0280159A2 (fr) * 1987-02-21 1988-08-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour recouvrir la rainure d'un cylindre d'une rotative d'impression
EP0280141A3 (en) * 1987-02-21 1989-11-15 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for covering the groove of a rotary printing machine cylinder
EP0280159A3 (en) * 1987-02-21 1989-11-23 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Device for covering the slot of a cylinder of a rotary printing machine
US5749299A (en) * 1995-10-07 1998-05-12 Koenig & Bauer-Albert Aktiengesellschaft Method and apparatus for fastening and clamping printing plates with beveled edges
EP0807521A1 (fr) * 1996-05-17 1997-11-19 Mitsubishi Jukogyo Kabushiki Kaisha Procédée et dispositif d'accrochage d'un blanchet pour une machine rotative

Also Published As

Publication number Publication date
DE3326215C2 (de) 1986-04-03
US4510868A (en) 1985-04-16
DE3460685D1 (en) 1986-10-16
JPH0430910B2 (fr) 1992-05-25
DE3326215A1 (de) 1985-02-07
EP0132532B1 (fr) 1986-09-10
JPS6038156A (ja) 1985-02-27

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