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EP0946370A1 - Cylindre pour presse rotative - Google Patents

Cylindre pour presse rotative

Info

Publication number
EP0946370A1
EP0946370A1 EP97953654A EP97953654A EP0946370A1 EP 0946370 A1 EP0946370 A1 EP 0946370A1 EP 97953654 A EP97953654 A EP 97953654A EP 97953654 A EP97953654 A EP 97953654A EP 0946370 A1 EP0946370 A1 EP 0946370A1
Authority
EP
European Patent Office
Prior art keywords
roller
cover
constriction
last
see
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
EP97953654A
Other languages
German (de)
English (en)
Other versions
EP0946370B1 (fr
Inventor
Hans Dierk Mohrmann
Rainer Wieland
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7815615&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0946370(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0946370A1 publication Critical patent/EP0946370A1/fr
Application granted granted Critical
Publication of EP0946370B1 publication Critical patent/EP0946370B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/18—Inking arrangements or devices for inking selected parts of printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of inking rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49549—Work contacting surface element assembled to core

Definitions

  • the invention relates to a roller for a rotary printing press, a method for dividing a roller and a method for producing a roller according to the preamble of claims 1, 16 and 21.
  • DE-PS 875 205 describes a roller with a plurality of sleeve-like individual rollers which are spaced apart on a common shaft.
  • DE 27 45 086 A1 describes an inking roller for guiding various r-colors in adjacent areas, the bales of which have circumferential separating grooves. These grooves can be filled with a flexible tape.
  • the invention has for its object to provide a roller.
  • this covers the working means for creating this constriction in a sealing manner, so that, for example, no printing ink can penetrate into the interior of the roller.
  • rollers are switchable, i. H. adjustable, for example, even when the machine is running.
  • Rotary printing machine is shown in the drawing and is described in more detail below.
  • FIG. 1 shows schematic representations of a roller in up to 4 different operating positions.
  • FIG. 5 shows a schematic longitudinal section through a first exemplary embodiment of a roller
  • FIG. 6 shows a schematic cross section through a roller according to FIG. 5;
  • FIG. 7 shows a schematic longitudinal section through a second embodiment example of a roller
  • FIG. 8 shows a schematic cross section through a roller according to FIG. 7;
  • FIG. 9 shows a schematic longitudinal section through a third exemplary embodiment of a roller
  • FIG. 10 shows a schematic longitudinal section through a fourth embodiment of a roller after coating.
  • FIG. 11 shows a schematic longitudinal section through a fourth exemplary embodiment of a roller in the compressed state according to FIG. 10;
  • FIG. 12 shows a schematic longitudinal section through a fourth embodiment of a roller in the relaxed state with a constriction according to FIG. 10;
  • FIG. 14 shows a schematic section of a roller according to FIG. 13 in the relaxed state
  • FIG. 16 shows a schematic section of a roller according to FIG. 15 in the stretched state
  • FIG. 17 shows a schematic section of a seventh exemplary embodiment in the compressed state
  • FIG. 18 shows a schematic section of a roller according to FIG. 17 in the relaxed state
  • FIG. 20 is a schematic view of a section of a roller according to FIG. 19 with constriction.
  • a roller 1 essentially has two pins 3, 4 and one bale 6 each.
  • the pins 3, 4 are fixed, for example with respect to side frames, not shown, and the bale 6 is rotatably mounted on the pins 3, 4.
  • roller 1 is approximately axially symmetrical to a center line 12 of this groove 11. This is preferred catfish
  • Roller 1 around a dyeing or dampening roller cooperating with a plate cylinder
  • the bale 6 of this roller 1 is equipped with a z. B. g u mi e last i see reference 13, z. B. rubber or a
  • the Plattenz cylinder is - seen in the axial direction - provided with a plurality of adjacent plates.
  • this P Lattenz lndender is optionally available with two
  • roller 1 is adaptable, d. H. the
  • Shell surface 8 of the bale 6 is in individual sections
  • the bale 6 of the roller 1 thus has a selectable number of z cylindrical sections 14 in the axial direction
  • Width of an assigned plate is adjusted.
  • Fig. 1 represents the roller 1 through the groove 11 in two
  • Halves 24, 26 is divided into a starting position.
  • Fig. 2 shows the roller 1
  • the left half 26 of the bale 6 has two sections 17, 18 in a second position.
  • the roller 1 is in a third position, the right half 24 of the bale 6 being divided into two sections 14, 16.
  • the right 24 and the left half 26 of the bale 6 are each divided into two sections 14, 16 and 17, 18.
  • roller 1 Relative to an axis of rotation of the roller 1, the roller 1 is in the upper part of the figure in the unactuated initial position d. H. with undivided bale 6 and in the lower part the roller 1 in the actuated state, d. H. shown with divided bale 6.
  • the bale 6 is provided with an uninterrupted lateral surface 29 in FIG. 5.
  • a constriction 31 for dividing this bale 6 into two sections 17, 18 is reversible by means of an adjusting means located inside the roller 1 generated.
  • radially inward pulling forces are generated on an inside 32 of the cover 13.
  • a pin 4 is provided with a through hole 34 in the radial direction.
  • This through hole 34 is used to fasten the pin 4 by means of a threaded screw, for example on a roller bearing on a side tenste 11.
  • the pin 4 has a central blind hole 36, the open end of which opens into a chamber 37 inside the roller 1.
  • a connection 38 opening into the blind hole 36 is provided in the radial direction for supplying pressure medium, for example compressed air.
  • a bushing 39 is rotatably supported by means of a roller bearing 41.
  • This bushing 39 has a flange 42 which is connected on the end face to a first section 43 of a support tube 44 for the cover 13 of the roller 1 by means of threaded screws 46.
  • This first section 43 is fastened at a distance from a second section 48 of the support tube 44 by means of a connecting piece 47.
  • a washer 49 is welded into the second section 48 and has axially extending threaded bores arranged on a pitch circle.
  • the connecting piece 47 is screwed onto this disk 49 by means of threaded screws 51.
  • this disc 49 is provided with a centrally arranged slide bearing 52.
  • a circumferential groove 54 is introduced into the connecting piece 47 having an inner bore 53.
  • This groove 54 and the inner bore 53 are connected by means of radially arranged bores 56.
  • a plunger 57 is radially displaceably mounted in each of these bores 56.
  • each plunger 57 is provided with a securing ring 58.
  • plate springs 59 are arranged on each tappet 57, so that a force acts inwards on the tappet 57 as a result of the plate springs 59.
  • a segment 61 of a support ring 62 is firmly attached to an outer end of the plunger 57.
  • a height h61 of a segment 61 is less than a depth t54 of the groove 54 in the support tube 44 and connecting piece 47.
  • the cover 13 of the roller 1 is fastened to these segments 61, for. B. vulcanized or glued.
  • the segments 61 lie next to one another and in the base of the groove 54 without a gap.
  • a diameter d63 of outer surfaces 63 of the segments 61 of the support ring 62 is therefore smaller than an outer diameter d44 of the support tube 44 when the plungers 57 are retracted.
  • a constriction 31 is thus formed in the cover 13 in the region of these segments 61 when the plungers 57 are retracted.
  • a piston rod 64 is provided for actuating the tappets 57 and has, for example, a cone 66 rising to the left in the area of the tappets 57. This cone 66 connects an area of the piston rod 64 with a first, small diameter d64min. with an area of the piston rod 64 with a second, large diameter d64max.
  • the plungers 57 are pressed radially outward by axially displacing the piston rod 64 in the direction of the center of the roller 1.
  • a first end of the piston rod 64 is supported in the slide bearing 52 of the disk 49.
  • a disk 67 serving as a piston is screwed onto a second end of the piston rod 64.
  • a compression spring 68 is pushed onto the piston rod 64 between this disk 67 and a flange 69.
  • the flange 69 is provided with a shoulder which extends into the inner bore of the bushing 39 on a side facing away from the pin 4.
  • the flange 69 is screwed to an end face of the bush 39 by means of threaded screws 71.
  • the compression spring 68 is thus supported between the flange 69 and the disk 67 and generates a force acting on the piston rod 64 in the direction of the pin 4.
  • a seal 72 is arranged in a shoulder in front of the roller bearing 41 on a side of the inner bore of the bushing 39 facing the pin 4. This seal 72 seals the fixed pin 4 on the end face to the rotating bush 39.
  • the inner bore of the bushing 39 thus forms the chamber 37, which can optionally be pressurized with pressure medium and the piston rod 64 operated.
  • Compression spring 68, the piston rod 64 in the direction of the pin 4 and the plunger 57 reach the large diameter d64max. to the small diameter d64min.
  • the constriction 31 is created by pressure medium.
  • the actuation of the roller 1 takes place, for. B. pneumatic.
  • segments 73 are acted upon directly by pressure medium and thus pressed radially outward, as a result of which the constriction 31 is removed and a continuous cover 13 is achieved. If the segments 73 are depressurized, the tappets 57 sprung according to the first exemplary embodiment pull the segments 73 and the cover 13 connected with them back, so that a constriction 31 of the cover 13 arises.
  • the segments 73 and the associated groove 54 in the support tube 44 and connecting piece 47 are hat-shaped in cross section with a lower edge and are adapted to one another.
  • the lower edge of the segments 73 serves as a stop 74.
  • This stop 74 lies in two grooves 76, 77 which in
  • radially extending bores 78 are made from the chamber 79 into the groove 54 of the support tube 44.
  • the inner bore 53 of the connecting piece 47 forms a chamber 79 with the washer 49 of the second section 48.
  • a first end of a feed pipe 81 opens into this chamber 79.
  • a second end of this feed pipe 81 is connected to the blind hole 36 by means of a seal 82 of the pin 4 connected.
  • the feed tube 81 is rotatably mounted with respect to the pin 4 by means of a roller bearing 83 and an adapter piece 84.
  • FIG. 9 a third exemplary embodiment (FIG. 9) of a roller 1
  • an annular hose 86 is provided instead of the segments 61, 73 of the first two examples. Seen in cross section, the hose 86 is provided with a hat-shaped ring 87. An outer surface 88 of the ring 87 is connected to an inner side 32 of the cover 13 of the roller 1.
  • a lower edge of the ring 87 serves as a stop 89 which limits the stroke in the radial direction to the outside and which interacts with lateral grooves 91, 92 of the connecting piece 47.
  • spring elements 93, 94 act inwardly on both sides and are fastened in the groove 54 of the connecting piece 47 and the washer 49.
  • This hose 86 is connected by means of a connector 96 to the feed pipe 81. This Zuf jackungs Rohr '81 and the associated pressure-medium supply is performed according to the second embodiment.
  • the pressure medium is applied to the hose 86.
  • the ring 87 is pressed radially outward until the lower stop 89 abuts on the side walls of the grooves 91, 92.
  • the constriction 31 can also be achieved in that the inside 32 of the cover 13 is indirectly or directly subjected to negative pressure.
  • a support tube 97 is provided with a shoulder 98, on which a sleeve 99 is slidably mounted in the axial direction of the roller 1. This sleeve 99 is secured against rotation in the circumferential direction.
  • Sleeve 99 and support tube 97 are each provided with a collar 101; 102 provided.
  • This collar 101 which is larger in diameter than sleeve 99 or support tube 97; 102 can, for example, be molded on directly or each consist of a disk mounted on the shoulder 98 of the support tube 97.
  • a106 20 mm.
  • a non-illustrated actuator acts on the sleeve 99, which axially displaces the sleeve 99.
  • This actuating device can be actuated, for example, by means of a threaded spindle, a working cylinder which can be pressurized with pressure, or an electric motor.
  • an adjustment of the sleeve 99 is also possible while the machine is running.
  • the sleeve 99 is in its position removed from the support tube 97 (Fig. 10) moved so that between the two spaced a106 collar 101; 102 a circumferential, cross-sectionally U-shaped groove 106 is formed.
  • the rubber e last i see cover 13 is firmly connected, z. B. vulcanized or glued.
  • This cover 13 also fills the groove 106 except for a narrow gap 107 at the bottom of the groove, ie the side surfaces 103; 104 of the groove 106 are firmly connected to the cover 13, while a gap 107 remains between the cover 13 and the support tube 97 on the groove base. It is also possible not to provide a gap 107 at the bottom of the groove, but here too the cover 13 in the region of the constriction 31 is not connected to a carrier 97, 99 in the radial direction.
  • the cover 13 has a material accumulation 108 which acts as a support element. This accumulation of material 108 ' is radially annular in the direction of the interior of the roller 1, z. B. trained as a circumferential bead Idet.
  • the distance a106 'of the sides smile 103; 104 of the groove 106 is increased, for example, by 1 mm to the distance a106 ".
  • Axial forces act on the cover 13 in the area of the groove 106, and the cover 13 in the axial direction expands forces, which reduce the diameter of the cover 13 in the area of the groove 106 cause.
  • support elements can also be arranged in the groove 106 in addition to the material accumulation 108 or instead of the material accumulation 108.
  • These support elements can be formed, for example, as 0-rings 112 made of rubber-elastic material (FIG. 3; FIG. 14).
  • rings 113 e.g. made of steel
  • disks 114 with a small thickness as supporting elements, for example made of plastic (Teflon, Viton) to be arranged in the groove 106 (FIG. 15; FIG. 16).
  • the discs 114 and rings 113 are axially movable in the groove 106.
  • the rings 113 are connected to the inner surface of the cover 13, while the washers 114 are not connected to the cover 13.
  • the application and finishing of the cover 13 takes place with rings 113 pushed together; 114 according to FIG. 15.
  • a so-called corrugated tube 116 is used as the support element.
  • This corrugated tube 116 is connected to the inside of the cover 13 and is movable relative to the base of the groove.
  • radial forces are generated on the inside of the cover 13 by means of the segment 61 similar to FIG. 5.
  • a plurality of disk-shaped segments 142 are arranged in the axial direction of the roller 1. These segments 142 are connected to the inside of the cover 13 and can be moved radially. The radial movement of the segments 142 is of different sizes, so that the envelopes formed by the lateral surfaces of the segments 142 approximate the mirrored shape of the constriction 31 can have.
  • the segments 142 can be moved together but with different strokes or independently of one another or in groups.
  • the cover 13 with a reinforcement 117, for example made of steel mesh (FIG. 15; FIG. 16).
  • This reinforcement 117 is recessed in the area of the desired constriction 31.
  • the reinforcement 117 is therefore only arranged in the area of the cover 13, which is firmly connected to beams.
  • a ratio of a length 114, 116, 117, 118, e.g. B. 2 mm, preferably plate width of a section 14; 16; 17; 18 to the distance a106 of the side surfaces 103; 104 of the groove 106 is preferably greater than 10.
  • the distance a106 is always smaller than the constriction 31.
  • each roller 1 preferably have identical outer diameters and their outer surface 8 is mounted concentrically with an axis of rotation of the roller 1.
  • the roller according to the invention is reversibly subdivided by at least one circumferential, annular depression, ie the constriction 31 into at least two adjacent, cylindrical-shaped sections 14, 16, 17, 18.
  • this constriction 31 becomes a functionally uninterrupted lateral surface 8 canceled
  • Feed pipe seal roller bearing adapter 86 See leeks

Landscapes

  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Massaging Devices (AREA)
  • Friction Gearing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

L'invention concerne un cylindre pour presse rotative, qui est divisé en plusieurs sections, dans un premier mode de fonctionnement. Dans un second mode de fonctionnement, ce cylindre présente une surface extérieure à continuité fonctionnelle.
EP97953654A 1996-12-20 1997-12-19 Cylindre pour presse rotative Expired - Lifetime EP0946370B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653404 1996-12-20
DE19653404A DE19653404A1 (de) 1996-12-20 1996-12-20 Walze
PCT/DE1997/002985 WO1998028142A1 (fr) 1996-12-20 1997-12-19 Cylindre pour presse rotative

Publications (2)

Publication Number Publication Date
EP0946370A1 true EP0946370A1 (fr) 1999-10-06
EP0946370B1 EP0946370B1 (fr) 2000-05-17

Family

ID=7815615

Family Applications (3)

Application Number Title Priority Date Filing Date
EP00104748A Expired - Lifetime EP1010529B1 (fr) 1996-12-20 1997-12-19 Cylindre pour une presse rotative
EP97952747A Expired - Lifetime EP0946369B1 (fr) 1996-12-20 1997-12-19 Cylindre pour presse rotative
EP97953654A Expired - Lifetime EP0946370B1 (fr) 1996-12-20 1997-12-19 Cylindre pour presse rotative

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP00104748A Expired - Lifetime EP1010529B1 (fr) 1996-12-20 1997-12-19 Cylindre pour une presse rotative
EP97952747A Expired - Lifetime EP0946369B1 (fr) 1996-12-20 1997-12-19 Cylindre pour presse rotative

Country Status (9)

Country Link
US (2) US6129017A (fr)
EP (3) EP1010529B1 (fr)
JP (2) JP3157170B2 (fr)
CN (2) CN1084256C (fr)
BR (2) BR9714158A (fr)
DE (6) DE29623426U1 (fr)
ES (2) ES2147464T3 (fr)
RU (1) RU2198793C2 (fr)
WO (2) WO1998028141A1 (fr)

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Also Published As

Publication number Publication date
DE29623425U1 (de) 1998-05-20
CN1254311A (zh) 2000-05-24
DE59706145D1 (de) 2002-02-28
EP1010529B1 (fr) 2002-01-09
JP2000506801A (ja) 2000-06-06
EP0946370B1 (fr) 2000-05-17
ES2147464T3 (es) 2000-09-01
DE59703698D1 (de) 2001-07-05
DE59701739D1 (de) 2000-06-21
ES2158612T3 (es) 2001-09-01
CN1245458A (zh) 2000-02-23
JP3187062B2 (ja) 2001-07-11
EP1010529A3 (fr) 2000-07-19
BR9714158A (pt) 2000-04-25
DE19653404A1 (de) 1998-07-02
JP3157170B2 (ja) 2001-04-16
DE29623426U1 (de) 1998-05-28
EP0946369A1 (fr) 1999-10-06
EP1010529A2 (fr) 2000-06-21
EP0946369B1 (fr) 2001-05-30
CN1093470C (zh) 2002-10-30
CN1084256C (zh) 2002-05-08
US6129017A (en) 2000-10-10
HK1026399A1 (en) 2000-12-15
US6398701B1 (en) 2002-06-04
BR9713609A (pt) 2000-04-11
WO1998028142A1 (fr) 1998-07-02
WO1998028141A1 (fr) 1998-07-02
RU2198793C2 (ru) 2003-02-20
JP2000516169A (ja) 2000-12-05

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