EP0155561B1 - Dispositif pour l'impression sélective sur une face ou à retiration dans le tambour d'accumulation d'une machine à imprimer offset pour feuilles - Google Patents

Dispositif pour l'impression sélective sur une face ou à retiration dans le tambour d'accumulation d'une machine à imprimer offset pour feuilles Download PDF

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Publication number
EP0155561B1
EP0155561B1 EP85102239A EP85102239A EP0155561B1 EP 0155561 B1 EP0155561 B1 EP 0155561B1 EP 85102239 A EP85102239 A EP 85102239A EP 85102239 A EP85102239 A EP 85102239A EP 0155561 B1 EP0155561 B1 EP 0155561B1
Authority
EP
European Patent Office
Prior art keywords
shaft
clamping
hollow shaft
adjusting
adjusting device
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
EP85102239A
Other languages
German (de)
English (en)
Other versions
EP0155561A3 (en
EP0155561A2 (fr
Inventor
Josef Dipl.-Ing. Mathes
Roland Dipl.-Ing. Höll
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
Priority to AT85102239T priority Critical patent/ATE52217T1/de
Publication of EP0155561A2 publication Critical patent/EP0155561A2/fr
Publication of EP0155561A3 publication Critical patent/EP0155561A3/de
Application granted granted Critical
Publication of EP0155561B1 publication Critical patent/EP0155561B1/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
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a clamping and adjusting device for smoothing device in a storage drum of a sheetfed offset printing machine for optional face or reverse printing according to the preamble of claim 1.
  • a device according to this type is described in DE-PS 31 28 947.
  • a device of this kind is e.g. have been described in DE-PS 31 28 947.
  • a radial clamping device is arranged in the sheet transfer drum for a printing press within the hollow shaft. It consists of an inner tube that extends over the entire length of the shaft and a second outer tube that is slidably mounted on the inner tube.
  • the two pipes are provided with conical surfaces facing each other. These conical surfaces are set against ball cages arranged in the shaft of the sheet transfer drum. By bracing the two tubes against each other, it is possible to press the ball cages apart in the shaft of the sheet transfer drum and to clamp the suction devices pivotably arranged on the shaft onto the shaft. This can e.g.
  • the inner tube is to be provided with bevels, with a shoulder for bearing in the shaft and with an opening for the setting gear and also extends over the length of the entire shaft. Operation is made more difficult by the fact that other operating elements are provided for the clamping than for the adjustment of the suction devices. Finally, considerable forces are required to tension the suction devices. In addition, it is not clearly recognizable when the clamping is sufficient and thus also safe. It is not specified in which position of the conical surfaces the suction devices are securely clamped. The operating path can therefore become very long. The assembly of the entire facility is very expensive.
  • a sheet-fed rotary printing press is known from DE-A 29 48 487. It is equipped with double-sized cylinders and has a printing plate with two printing images on a plate cylinder. To tension and adjust the printing plate, elements for radial displacement are arranged on a printing press cylinder using eccentric curves. The curves are attached to a shaft mounted in the cylinder. The intrinsically rigid pit inserts are only used to change the longitudinal register of the second one of the two printing plates. The arrangement cannot be used as a clamping device. Above all, the shaft of the control curves must be supported separately, and there are no stroke or force limitations.
  • the invention is therefore based on the object to simplify a device of the type described as far as possible, to make it easier to assemble and to rationalize the operation in such a way that only a tool for clamping and adjustment is necessary, the conditions for loosening and loosening being as small as possible Terminals should be unique.
  • FIG. 1 An overview of a storage drum is shown in FIG. 1. Only grippers that are usually present are omitted here.
  • the storage drum consists of a drum casing 1, which forms the sheet guiding surface 2, and is connected to the hollow shaft 4 via a plurality of base bodies 3. Smoothing devices 5 are likewise pivotably mounted on the hollow shaft 4.
  • support elements 6 are provided which are pivotable with respect to the shaft 4.
  • the two middle support elements 6 are secured on the shaft 4 via an intermediate element.
  • a pivot axis 7 is mounted on each of two support elements 6, with which the smoothing devices 5 are firmly connected.
  • a suction air supply 8 for the smoothing devices 5 is arranged.
  • a control gear 9 is connected to the pivot axis 7 on one side A in order to be able to set the smoothing devices 5 in a circumferential movement.
  • the control gear 9 consists of a control cam fixed to the frame and a cam roller connected to the pivot axis 7.
  • the smoothing devices 5 pass through the drum casing 1 in slots 10.
  • Adjustment means for clamping and adjusting the smoothing devices 5 are mounted in the shaft 4.
  • a second hollow shaft 11 is rotatably mounted on the side A with a bearing element 12 in a drive gear Z which is fixedly connected to the shaft 4.
  • the laying element 12 is provided with an extension 13 which serves as an operating element.
  • two clamping curves 14 are pinned.
  • the clamping curves 14 interact with clamping elements 15.
  • the structure of the clamping elements 15 is explained in more detail below in FIG. 4.
  • Each clamping curve 14 is assigned three such clamping elements 15. Due to the double three-point support, the hollow shaft 11 itself is aligned.
  • the actuating shaft 16 is located within the hollow shaft 11. It is also provided on the side A with an operating element and is rotatably mounted in the shaft 11.
  • a bearing 17 is provided opposite, via which the actuating shaft 16 is rotatably mounted within the shaft 4.
  • a gearwheel 18 is seated on the same shaft end.
  • the gearwheel 18 engages in an intermediate gearwheel 19 which in turn engages in a ring gear segment 20.
  • the ring gear segment 20 is fastened to a support element 6 for the smoothing devices 5.
  • the intermediate gear 19 is rotatably mounted in the wall of the shaft 4.
  • FIG 2 the arrangement of the adjusting means on the side A of the storage drum is shown in section. In reality, it corresponds to the drive shaft of a printing press.
  • the hollow shaft 4 is supported by a bearing L in the machine frame G and is firmly connected to a drive gear Z.
  • the second hollow shaft 11 is fastened in the bearing element 12 and rotatably supported in the drive gear Z via this.
  • a hexagon socket 21 is provided as an operating element.
  • a hexagon socket 23 is mounted coaxially to the hexagon socket 21 as the operating element of the adjusting shaft 16 in a bearing ring 22.
  • the bearing ring 22 supports the actuating shaft 16 in the second hollow shaft 11 and is firmly connected to the latter.
  • a pointer 24 for displaying the angular position of the actuating shaft 16.
  • the scale is spread several times for better readability. This increases the setting accuracy.
  • a sprung ejector pin 25 is provided within the adjusting shaft 16 as a safety device.
  • the ejection pin 25 is mounted in a bore 26. It is pressed against a retaining ring 28 by a spring 27. In this position, the stop end 29 protrudes into the hexagon socket 21 and on the surface of the extension 13. This ensures that an adjusting key cannot be left in the control elements unintentionally.
  • FIG 3 the storage of the actuating means is shown inside the storage drum.
  • the adjusting shaft 16 is mounted in the shaft 4 via a ball bearing 30 and a bearing ring 31.
  • the ball bearing 30 is secured between the gear 18 and a locking ring 32 on the shaft end of the actuating shaft 16.
  • the gear 18 is pinned to the shaft end.
  • a sealing disk 33 protects the ball bearing 30.
  • the second hollow shaft 11 is mounted on the actuating shaft 16 via a needle cage 34.
  • a clamping curve 14 is pinned on the shaft 11, which is supported on a clamping element 15 in the wall of the shaft 4.
  • the clamping element 15 is supported with an outer active surface on an expansion sleeve 35.
  • the expansion sleeve 35 is pinned on the shaft 4.
  • the expansion sleeve 35 can be divided into a collar 36 and an expansion ring 37.
  • slots 38 are provided as expansion joints.
  • a support element 6 is arranged on the expansion ring 37 and supports the pivot axis 7.
  • the ring gear segment 20 is fastened to a collar 39 on the support element 6.
  • the intermediate gear 19 is arranged on a bearing pin 40.
  • the intermediate gear 19 lies in an opening 41 in the wall of the shaft 4, on the outside of which the bearing pin 40 is fastened.
  • the structure of the clamping elements 15 is explained in more detail in FIG.
  • the clamping elements are constructed in detail from support rollers 42, which are held in a bearing element 44 by bolts 43, a plate spring assembly 45 and a mushroom-shaped intermediate piece 46.
  • the support roller 42 is arranged with the bolt 43, the bearing element 44 and the plate spring assembly 45 in the interior of the cylindrical intermediate piece 46.
  • the entire unit serves as a spacer between the clamping curve 14 and the intermediate ring 6. It is arranged in a longitudinally displaceable manner in a bore 47 in the shaft 4.
  • the support roller 42 is always held in contact with the clamping curve 14.
  • the clamping elements 15 are on the support roll 42 pressed outwards.
  • the clamping elements 15 with the spacers 46 abut the expansion sleeve 35.
  • the expansion ring 37 is radially clamped and clamps the support elements 6 mounted on it by movement at the slots 38.
  • the clamping curve 14 can now be designed such that it contains a locking point in the high position H, so that a rotation of the clamping curve 14 is only possible up to a certain point.
  • the overpressure required for this can be allowed because of the plate spring assembly 45.
  • the clamping force can be adjusted via the selection of the spring characteristics of the plate spring assembly 45.
  • the clamping forces of the individual clamping elements 15 are mutually supported, so that the bearing of the hollow shaft 11 is not stressed.
  • the operation of the entire facility can be made very simple.
  • a hexagon wrench the active profile of which is matched to the length of the hexagon socket 21, 23, the clamping of the smoothing devices 5 is first released by inserting it into the hexagon socket 21 on the extension 13 and rotating the hollow shaft 11. Then the hexagon wrench is brought further into engagement against the ejection pin 25 and with the hexagon socket 23 in the actuating shaft.
  • the entire smoothing device 5 can be adjusted in the circumferential direction of the storage drum by rotating the actuating shaft 16 with the aid of the gear 18, the intermediate gear 19 and the ring gear segment 20.
  • the hexagon wrench is pressed out via the ejection pin 22.
  • the smoothing device 5 can be clamped again by rotating the hollow shaft 11. In this way, clamping and adjustment of the smoothing devices 5 have been done in a single operation with a single control element, namely the hexagon wrench.
  • the hexagon wrench cannot be left in the shaft 4 by mistake. It is pushed out by the ejection pin 25. This avoids the risk of accidents.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Discharge By Other Means (AREA)
  • Handling Of Cut Paper (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (10)

1. Dispositif de réglage et de serrage pour des dispositifs de lissages (5) sur un tambour d'accumulation d'une machine imprimante offset à feuilles pour l'impression, au choix, au recto ou à rétiration, dans lequel les dispositifs de lissage (5) sont montés pivotants sur l'arbre (4) du tambour d'accumulation, par l'intermédiaire d'éléments de support (6), et, par rapport à l'enveloppe (1) du tambour d'accumulation, peuvent être desserrés, réglés à l'aide de moyens de réglage agencés de façon centrale, et serrés par des éléments de serrage (15), et, dans l'arbre creux (4) du tambour d'accumulation, étant monté, de façon rotative, au moins un second arbre creux (11), qui est muni, à une extrémité, d'un élément de manoeuvre (21) et, à la périphérie, de cames de serrage (14), de sorte que les éléments de serrage (15) s'appuient entre les cames de serrage (14) et les éléments de support (6) et, à l'intérieur du second arbre (11), étant monté, de façon rotative, un troisième arbre en tant qu'arbre de réglage (16), qui, à une extrémité, porte un élément de manoeuvre (23) et, à l'autre extrémité est muni d'une roue dentée (18), qui fait partie d'un engrenage planétaire (18, 19, 20), lequel sert au pivotement des dispositifs de lissage (5), caractérisé en ce que le second arbre creux (11) est en une pièce, en ce que les cames de serrage (14) se déplacent, en direction périphérique, en tant que cames de commande et sont munies d'une encoche, en ce que les éléments de manoeuvre sur le second arbre creux (11) et l'arbre de réglage (16) sont des six pans creux (21, 23), en ce que le six pans creux (21) pour tourner le second arbre creux (11) est coaxial au six pans creux (23) pour tourner l'arbre de réglage (16) et est situé devant, par rapport au côté de manoeuvre, et en ce que les éléments de manoeuvre sont munis d'une sécurité (25, 27).
2. Dispositif selon la revendication 1, caractérisé en ce que les éléments de serrage (15) sont constitués d'une pièce de pression (46) en forme de champignon, dont le dessus présente un rayon correspondant à celui de l'arbre creux (4) et dans la partie inférieure de laquelle est prévu un perçage, d'un paquet de ressorts à disques (45), d'un élément de palier (44) et d'un boulon (40) portant un galet d'appui (42), le boulon (40) avec le galet d'appui (42) étant prévu dans l'élément de palier (44), et l'élément de palier (44), en même temps que le paquet de ressorts à disques (45), étant prévu dans le perçage de la pièce de pression (46), de sorte que le galet d'appui (42) et le dessus de la pièce de pression (46) forment des surfaces d'action de la force créée par le paquet de ressorts à disques (45).
3. Dispositif selon la revendication 1, caractérisé en ce que, en tant que galets d'appui (42), sont utilisés des organes de roulement.
4. Dispositif selon la revendication 1, caractérisé en ce que, entre l'arbre creux (4) et les éléments de support (6) du dispositif de lissage (5), sont agencées des bagues intermédiaires.
5. Dispositif selon la revendication 4, caractérisé en ce que les bagues intermédiaires sont réalisées sous forme de douilles à expansion (35), celles-ci étant munies, d'un côté, d'une attache (36) et, à la partie amincie, de fentes (38) orientées axialement.
6. Dispositif selon la revendication 1, caractérisé en ce que l'engrenage planétaire est constitué de la roue dentée (18) sur l'arbre de réglage (16), en tant que roue centrale, d'une roue dentée intermédiaire (19), en tant que roue planétaire, et d'un segment de couronne dentée (20) en tant que roue à denture intérieure, l'arbre creux (4) formant l'âme de l'engrenage planétaire, qui, lors du processus de réglage, est fixe.
7. Dispositif selon la revendication 6, caractérisé en ce que la roue dentée (18) est fixée à l'extrémité de l'arbre de réglage et est montée, de façon rotative, à l'intérieur de l'arbre creux (4), par l'intermédiaire de l'arbre de réglage (16), en ce que la roue dentée intermédiaire (19) est agencée dans une ouverture (41) de l'arbre creux (4), le boulon (40) de la roue dentée intermédiaire (19) est fixé à l'arbre creux (4) et le segment de couronne dentée (20) est fixé à un élément de support (6) du dispositif de lissage (5).
8. Dispositif selon la revendication 1, caractérisé en ce que l'arbre de réglage (16), du côté de manoeuvre, est monté, de façon rotative, dans le second arbre creux (11), avec une bague de palier, en ce que, sur la bague de palier (22), est fixé un indicateur (24), et en ce qu'un cadran (41) est relié à l'arbre creux (4) coaxialement à la bague de palier de l'arbre de réglage (16), la graduation présentant une longueur élargie.
9. Dispositif selon les revendications 1 et 8, caractérisé en ce que le six pans creux (23) pour tourner l'arbre de réglage (16) est relié à la bague de palier (22), et le six pans creux (21) pour tourner le second arbre creux (11) est agencé dans un organe de liaison, en tant que prolongement coudé (13) du second arbre creux (11).
10. Dispositif selon les revendications 1 et 9, caractérisé en ce que, en tant, que sécurité, dans l'arbre de réglage (16), une broche d'éjection (25) est prévue, de sorte qu'un même outil pour les deux six pans creux (21, 23) ne peut être introduit que contre la force du ressort (27) maintenant la broche (25).
EP85102239A 1984-03-23 1985-02-28 Dispositif pour l'impression sélective sur une face ou à retiration dans le tambour d'accumulation d'une machine à imprimer offset pour feuilles Expired - Lifetime EP0155561B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85102239T ATE52217T1 (de) 1984-03-23 1985-02-28 Vorrichtung an der speichertrommel einer bogenoffsetdruckmachine fuer wahlweisen schoenoder schoen- und widerdruck.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843410689 DE3410689A1 (de) 1984-03-23 1984-03-23 Vorrichtung an der speichertrommel einer bogenoffsetdruckmaschine fuer wahlweisen schoen- und widerdruck
DE3410689 1984-03-23

Publications (3)

Publication Number Publication Date
EP0155561A2 EP0155561A2 (fr) 1985-09-25
EP0155561A3 EP0155561A3 (en) 1987-09-30
EP0155561B1 true EP0155561B1 (fr) 1990-04-25

Family

ID=6231389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102239A Expired - Lifetime EP0155561B1 (fr) 1984-03-23 1985-02-28 Dispositif pour l'impression sélective sur une face ou à retiration dans le tambour d'accumulation d'une machine à imprimer offset pour feuilles

Country Status (5)

Country Link
US (1) US4563951A (fr)
EP (1) EP0155561B1 (fr)
JP (1) JPS60212352A (fr)
AT (1) ATE52217T1 (fr)
DE (1) DE3410689A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0327792Y2 (fr) * 1984-11-22 1991-06-17
DE3533081A1 (de) * 1985-09-17 1987-03-26 Roland Man Druckmasch Bogenwendevorrichtung fuer rotationsdruckmaschinen
DE3900818C1 (fr) * 1989-01-13 1990-05-10 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE3911630A1 (de) * 1989-04-10 1990-10-11 Heidelberger Druckmasch Ag Vorrichtung zur formatverstellung an bogenfuehrungstrommeln einer druckmaschine
DE4004352C1 (fr) * 1990-02-13 1991-06-06 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4119825C1 (fr) * 1991-06-15 1992-12-03 Koenig & Bauer Ag, 8700 Wuerzburg, De
DE10254113A1 (de) 2001-12-12 2003-06-18 Heidelberger Druckmasch Ag Vorrichtung zur Änderung des Betriebszustands einer Greifersteuereinrichtung in einer Bogenwendeeinrichtung einer bogenverarbeitenden Maschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT252858B (de) * 1962-08-17 1967-03-10 Andre Francois Conchon Rotations-Schablonendruckmaschine
CH408967A (de) * 1963-06-28 1966-03-15 Winkler Fallert & Co Maschf Walzenschloss für Druckmaschinen
US3205814A (en) * 1964-09-24 1965-09-14 William F Huck Rotary cylinder construction of removable shell type
DE2535113C2 (de) * 1975-08-06 1982-06-03 Western Gear Corp., Pittsburgh, Pa. Bogenübergabetrommel einer Bogen-Rotationsdruckmaschine
DE2559735C3 (de) * 1975-08-06 1981-03-12 Western Gear Corp., Pittsburgh, Pa. Bogenübergabetrommel einer von Schön- auf Schön- und Widerdruck umstellbaren Bogen-Rotationsdruckmaschine
DE2851747C2 (de) * 1978-11-30 1986-05-28 Kleinewefers Gmbh, 4150 Krefeld Druckbehandlungs- oder Transportwalze, insbesondere Kalanderwalze
DE2948487C2 (de) * 1979-12-01 1983-04-28 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogenoffset-Rotationsdruckmaschine in Reihenbauweise
DE3128947C1 (de) * 1981-07-22 1989-05-18 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogenuebergabetrommel fuer eine Druckmaschine
DE3315445A1 (de) * 1983-04-28 1984-10-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Absicherung der umstellung
US4487122A (en) * 1983-11-04 1984-12-11 Gravure Research Institute, Inc. Deflection compensating roll for providing uniform contact pressure

Also Published As

Publication number Publication date
JPS60212352A (ja) 1985-10-24
JPH0449467B2 (fr) 1992-08-11
DE3410689A1 (de) 1985-10-03
US4563951A (en) 1986-01-14
EP0155561A3 (en) 1987-09-30
DE3410689C2 (fr) 1987-11-19
EP0155561A2 (fr) 1985-09-25
ATE52217T1 (de) 1990-05-15

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