EP0479266A1 - Dispositif de soutien dans l'évidement d'un cylindre - Google Patents

Dispositif de soutien dans l'évidement d'un cylindre Download PDF

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Publication number
EP0479266A1
EP0479266A1 EP91116811A EP91116811A EP0479266A1 EP 0479266 A1 EP0479266 A1 EP 0479266A1 EP 91116811 A EP91116811 A EP 91116811A EP 91116811 A EP91116811 A EP 91116811A EP 0479266 A1 EP0479266 A1 EP 0479266A1
Authority
EP
European Patent Office
Prior art keywords
pit
cylinder
support
support bar
projections
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
EP91116811A
Other languages
German (de)
English (en)
Other versions
EP0479266B1 (fr
Inventor
Christian Martin Michael Fischer
Detlef Fred Stork
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0479266A1 publication Critical patent/EP0479266A1/fr
Application granted granted Critical
Publication of EP0479266B1 publication Critical patent/EP0479266B1/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
    • 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

Definitions

  • the invention relates to support devices in a cylinder pit of a plate or blanket cylinder according to the preamble of claim 1.
  • Cylinder pits in printing unit cylinders allow pressure relief in the area of the cylinder pits to deflect a respective impression cylinder and are therefore the main reason for the build-up of bending vibrations that lead to streaking on a printed product.
  • CH-PS 643 780 shows a support device for a doctor blade on a cylinder of a sheet-fed rotary printing press.
  • the support device spans an arcuate wide cylinder pit.
  • the CH-PS 643 780 gives no indication of how to fix a narrow strip in a narrow cylinder pit.
  • DE-PS 701 996 shows a device which is suitable for covering a wide cylinder pit on a printing plate cylinder for a sheet-fed rotogravure printing press in such a way that contamination of the actuating means by printing ink is avoided.
  • the proposed cover is not suitable for use in narrow pits.
  • Locking bars with wedge-shaped projections are known from DE-PS 24 37 758.
  • the Locking strips can be moved in horizontal recesses in the two side walls of a pit of a printing press cylinder. Their wedge-shaped projections can be brought into engagement with wedge-shaped locking counterparts of a wide insert. As a result, the insert is held in a pit. With the proposed device, it is not possible to attach a narrow bar in a narrow pit.
  • the invention has for its object to provide a releasable support device in a narrow pit of a plate or blanket cylinder, by its type of attachment ensures that the support device is always supported directly at the bottom of the pit or a component firmly connected to the bottom of the pit.
  • the advantages that can be achieved with the invention are, in particular, that the effectiveness of the reduction in cylinder shocks during the passage of a long pit is increased further, the support strip can be easily removed from the pit or lowered into it when a printing plate or rubber blanket is inserted into the tensioning device to be threaded.
  • the support can be used in a narrow pit of a plate or blanket cylinder will.
  • the effectiveness of reducing cylinder bumps when passing a long pit is further increased, and it is possible to use blankets or blankets, the ends of which need not be specially designed.
  • the insertion of the printing plate or blanket ends into the plate or blanket tensioning device by the support device is not hindered.
  • the support device can be long.
  • a plate or rubber cylinder 1 has an axially parallel pit 2.
  • the clamping elements 3; 4 are, for example, as a clamping spindle 3; 4 executed and each have a device (not shown) for receiving a printing plate or blanket end 8; 9 on.
  • a profile rail 53 is screwed to the base 13 of the groove 12 in the middle of the pit 2 in a pit-long groove 12 by means of a plurality of fastening screws 53.
  • the support bar 46 is wedged with a profile rail 53 by means of a tensioning element designed as a truncated cone 27.
  • the truncated cone 27 is arranged at a left end of the pit 2 in a vertical bore 29 in the plate or rubber cylinder 1.
  • the bore 29 intersects the pit 2 at its left end, so that there is a vertical gap through which a left end 32 of the support bar 46, which is bevelled in accordance with the angle of inclination of the truncated cone 27, projects into the bore 29.
  • the truncated cone 27 has a bore 34 in the middle for receiving a pressure screw 33.
  • the pressure screw 33 protrudes through the bore 34 and ends in a threaded hole 36 in the plate or rubber cylinder 1 in the extension of the bore 29.
  • the truncated cone 27 When the pressure screw 33 is tightened, the truncated cone 27 is moved vertically downward and acts with its conical surface 37 from above on the slope 32 of the support bar 46, so that this horizontally to the right pushed and held there.
  • the pressure screw 33 Below the truncated cone 27 and above the threaded hole 36, the pressure screw 33 has a collar 38 which, when the pressure screw 33 is unscrewed, presses against the truncated cone 27 from below and pushes it vertically upward from a wedge position. In order to be able to remove the support bar 46 from the cylinder pit 2, it must be shifted horizontally to the left.
  • a gap 42 is provided at a right end of the cylinder pit 2 between a cylinder wall 41 and a right end of the support bar 46, into which a lever tool 43 can be inserted in order to reach an engagement point 44 in the support bar 46.
  • the lever tool 43 When the lever tool 43 is actuated, it is supported on the cylinder wall 41 and displaces the support bar 46 to the left, so that the projections 21 come out of engagement with the spaces 28.
  • the support bar 46 can now be removed from the cylinder pit 2. After removal of the support bar 46, there is sufficient space in the cylinder pit 2 around the pressure plate or rubber blanket ends 8; 9 to be able to thread freely into the clamping devices 3, 4. After threading, the support bar 46 is reinstalled.
  • the support bar 46 projects so far out of the pit 2 that the diameter of the cylinder 1 at this point is then equal to the diameter of the cylinder body 1 with the pressure plate 8 or rubber blanket 9.
  • the support bar 46 naturally projects out of the pit 2 in a correspondingly adapted manner.
  • An end face 39 of the support bar 46 made of steel or hard plastic can be covered with a tough elastic material.
  • the narrow pit gap between the two printing plate or blanket ends 8; 9 is completely filled and covered by the support bar 46.
  • a support bar 46 is provided, which on a foot part 47 has two parallel, for. B. rectangular, grooves 48, 49.
  • the support bar 46 is inserted from a cylinder end face into an upwardly tapering groove 56, 57 on the groove base 13.
  • You can e.g. B. are formed from a longitudinally slotted profile rail 53 fastened by means of fastening screws 52 to the groove base 13.
  • the support bar 46 is fixed or released by means of the previously described clamping and releasing device 27, 43.
  • the rail 53 has z. B. the shape of a longitudinally slotted rectangular tube, so that a, the two grooves 48, 49 separating web 54 comes to rest exactly in the slot 56, 57 of the rail 53.
  • a support bar 71 which consists of individual links 73 which are connected to one another by means of coupling 72.
  • the links 73 each have a projection 74 on the right and a slot 76 of the same size on the left at the same height, so that two links 73 arranged one behind the other fit exactly into one another.
  • Each link 73 has a hollow body 75 at a lower end, into which the coupling 72 engages so as to be displaceable. So it is possible that the links 72 are complete can be pushed into one another and thus form a continuous end face 39.
  • the chain consisting of links 73 and couplers 72 can be threaded laterally from a cylinder face or from above at a cylinder pit end between a bearer ring 77 and a pressure surface 78 into a guide groove which is directly or indirectly fastened to the cylinder 1 and runs parallel to the cylinder axis.
  • a support bar 79 is provided, which is arranged in the cylinder pit 2 so that it can be lowered vertically, but is not horizontally displaceable.
  • the support bar 79 has a comb-like distribution over its entire length of a plurality of vertical inclined projections 81 with which they lie flat on a number of inclined projections 82 corresponding to the number of the projections 81 of a horizontally displaceable support rail 83 and are held by means of several slide guides 84.
  • the slide guides 84 each consist of an upwardly open circular groove 80 in a respective projection 82 of the support rail 83 and a cylindrical lower part 90 of the projections 81 of the support rail 79 which is respectively adapted to the circular groove 80.
  • the support rail 83 is in a longitudinal groove 86 in the bottom 85 of the pit 2 horizontally, but not vertically stored.
  • the support rail 83 is formed at one end as a rack 87 and is in meshing engagement with a spur gear 88.
  • the spur gear 88 is rotatably mounted in the pit 2 in the cylinder body 1 and has a receptacle on an upwardly directed side surface 89 arranged parallel to the groove base 85 91 for a tool 92.
  • the support rail 83 When the spur gear 88 rotates clockwise, the support rail 83 is shifted horizontally to the right.
  • the vertically guided support bar 79 slides down, forcibly guided by the guide 84, so that the projections 81 come to lie in spaces 94 between two projections 82 and the projections 82 in spaces 93 between two projections 81.
  • the support bar 79 depending on the displacement of the support rail 83, can be lowered more or less deeply, so that the threading of the printing plate or rubber blanket ends 8; 9 is not hindered.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP91116811A 1986-12-24 1987-12-07 Dispositif de soutien dans l'évidement d'un cylindre Expired - Lifetime EP0479266B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19863644501 DE3644501A1 (de) 1986-12-24 1986-12-24 Stuetzeinrichtung in einer zylindergrube
DE3644501 1986-12-24
EP87118056A EP0272526B1 (fr) 1986-12-24 1987-12-07 Dispositif de soutien dans l'évidement d'un cylindre

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP87118056.8 Division 1987-12-07

Publications (2)

Publication Number Publication Date
EP0479266A1 true EP0479266A1 (fr) 1992-04-08
EP0479266B1 EP0479266B1 (fr) 1994-05-18

Family

ID=6317241

Family Applications (2)

Application Number Title Priority Date Filing Date
EP87118056A Expired - Lifetime EP0272526B1 (fr) 1986-12-24 1987-12-07 Dispositif de soutien dans l'évidement d'un cylindre
EP91116811A Expired - Lifetime EP0479266B1 (fr) 1986-12-24 1987-12-07 Dispositif de soutien dans l'évidement d'un cylindre

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP87118056A Expired - Lifetime EP0272526B1 (fr) 1986-12-24 1987-12-07 Dispositif de soutien dans l'évidement d'un cylindre

Country Status (5)

Country Link
US (1) US4790245A (fr)
EP (2) EP0272526B1 (fr)
JP (1) JPH0641203B2 (fr)
DE (3) DE3644501A1 (fr)
SU (1) SU1630606A3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928640A1 (de) * 1989-08-30 1991-03-14 Roland Man Druckmasch Gummituchzylinder fuer bogenrotations-offsetdruckmaschinen
DE4034767A1 (de) * 1989-12-01 1991-06-06 Heidelberger Druckmasch Ag Druckwerkszylinder fuer rotationsdruckmaschinen
DE4102858A1 (de) * 1990-03-08 1991-09-12 Heidelberger Druckmasch Ag Druckwerkszylinder fuer rotationsdruckmaschinen
DE20023366U1 (de) * 1999-12-02 2003-11-20 Koenig & Bauer Ag Übertragungszylinder einer Rotationsdruckmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191504018A (en) * 1915-03-13 1916-01-13 Alexander Allerton Kil Tallent An Improved Method of Attaching Engraved Sheets to Cylinders for Rotary Intaglio Printing.
US1506859A (en) * 1924-02-12 1924-09-02 Owen Malcolm Printing cylinder
DE701996C (de) * 1937-11-27 1941-01-28 Koenig & Bauer Schnellpressfab Mit einer biegsamen Druckplatte versehener Formzylinder fuer Bogen-Rotationstiefdruckmaschinen
EP0060939A1 (fr) * 1981-03-20 1982-09-29 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre de plaque avec dispositif de fixation des plaques
DE2804556C2 (de) * 1978-02-03 1983-11-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Abnehmbare Kanalabdeckung von Zylinderkanälen bei Druckmaschinen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1654431A (en) * 1925-03-04 1927-12-27 Pickup William Rotary intaglio printing machine
US1545791A (en) * 1925-03-28 1925-07-14 Owen Malcolm Printing cylinder
GB364594A (en) * 1929-07-01 1932-01-06 Vogtlaendische Maschinenfabrik Form cylinder for rubber printing machines
DE640262C (de) * 1934-12-14 1936-12-29 E H Wilhelm Stein Dr Ing Vorrichtung zum Aufspannen von biegsamen Druckformen auf dem Formzylinder von Rotationsdruckmaschinen
JPS4219361Y1 (fr) * 1964-08-05 1967-11-09
IT1125679B (it) * 1978-12-11 1986-05-14 Roland Man Druckmasch Cilindro per la stampa a intaglio,particolarmente per presse da stampa a intaglio ruotanti alimentate con fogli
DD150573A1 (de) * 1980-05-13 1981-09-09 Klaus Goerner Vorrichtung zum fuehren und halten der bedruckstoffbahnen an gummizylindern von rollenrotationsdruckmaschinen
DE3337111C2 (de) * 1983-04-06 1985-05-09 Albert-Frankenthal Ag, 6710 Frankenthal Tiefdruckformzylinder
DE3326215C2 (de) * 1983-07-21 1986-04-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Aufspannen einer Druckplatte oder eines Gummituches
DE3434642C1 (de) * 1984-09-21 1986-06-19 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Stoßfreie Druckplatten- und Gummituchspannvorrichtung an Druckwerkszylindern von Rotationsdruckmaschinen
DE3540581A1 (de) * 1985-11-15 1987-05-21 Roland Man Druckmasch Druckwerkzylinder mit einem in dessen zylindergrube angeordneten fuellstueck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191504018A (en) * 1915-03-13 1916-01-13 Alexander Allerton Kil Tallent An Improved Method of Attaching Engraved Sheets to Cylinders for Rotary Intaglio Printing.
US1506859A (en) * 1924-02-12 1924-09-02 Owen Malcolm Printing cylinder
DE701996C (de) * 1937-11-27 1941-01-28 Koenig & Bauer Schnellpressfab Mit einer biegsamen Druckplatte versehener Formzylinder fuer Bogen-Rotationstiefdruckmaschinen
DE2804556C2 (de) * 1978-02-03 1983-11-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Abnehmbare Kanalabdeckung von Zylinderkanälen bei Druckmaschinen
EP0060939A1 (fr) * 1981-03-20 1982-09-29 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre de plaque avec dispositif de fixation des plaques

Also Published As

Publication number Publication date
JPH0641203B2 (ja) 1994-06-01
EP0272526B1 (fr) 1992-11-11
EP0272526A3 (en) 1989-09-20
EP0479266B1 (fr) 1994-05-18
JPS63168357A (ja) 1988-07-12
DE3644501A1 (de) 1988-07-07
EP0272526A2 (fr) 1988-06-29
DE3644501C2 (fr) 1989-11-23
DE3782629D1 (de) 1992-12-17
US4790245A (en) 1988-12-13
SU1630606A3 (ru) 1991-02-23
DE3789877D1 (de) 1994-06-23

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