EP0769373B1 - Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen - Google Patents
Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen Download PDFInfo
- Publication number
- EP0769373B1 EP0769373B1 EP95116394A EP95116394A EP0769373B1 EP 0769373 B1 EP0769373 B1 EP 0769373B1 EP 95116394 A EP95116394 A EP 95116394A EP 95116394 A EP95116394 A EP 95116394A EP 0769373 B1 EP0769373 B1 EP 0769373B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- cylinder sleeve
- printing cylinder
- sleeve
- printing
- 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
Links
Images
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
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/26—Arrangement of cylinder bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
- B41P2217/15—Machines with cylinders only supported on one side, e.g. cantilever construction
Definitions
- the invention relates to a device for storing exchangeable Printing cylinder sleeves in printing machines.
- the pressure cylinder has an interchangeable hollow cylindrical sleeve made of plastic (the sleeve), on the outer peripheral surface of the clichés be attached.
- the inside diameter of the sleeve is at the outside diameter adapted to the shaft so that the sleeve fits in the axial direction can be pushed onto the shaft.
- the outside diameter of the The sleeve is determined by the desired printing length. By changing the sleeve can be used for different printing lengths be set up.
- the shaft is at the two ends protruding from the sleeve with im Diameter reduced bearing sections provided in the bearing blocks are stored.
- the sleeve is thus only indirectly supported by the shaft Bearing blocks.
- This construction has the disadvantage that not only precise storage of the Shaft in the bearing blocks, but also a precise fit of the sleeve on the Wave must be guaranteed when a perfect print quality is achieved shall be.
- the outer diameter of those sitting on the shaft Bearings should always be smaller than the inner diameter of the sleeve, so that pull the sleeve axially from the shaft. For the bearing of the shaft stands therefore only a limited diameter range is available.
- the object of the invention is to provide a device of the type mentioned create a stable storage of pressure cylinder sleeves with in far Range of varying outside diameters and easy replacement enables these sleeves.
- the bearing points are thus seated directly on the bearing journal of the Sleeve.
- the diameter of the bearings can be independent of the outside diameter Sleeve should be chosen with regard to the stability requirements. Camps can therefore be dimensioned so that even for long print lengths provided sleeves that have a relatively large outer diameter and are accordingly heavy, can be stored stably while on the other hand, for shorter printing lengths, the outer diameter of the sleeve if necessary - if necessary also under the bearing diameter - can be reduced can.
- the shaft only needs to be dimensioned with a view to the fact that the bending moments that occur when lifting the sleeve out of the pedestals can record. These bending moments are also reduced by that the sleeve itself due to the rigid arrangement of the bearing pins has high inherent rigidity and around the length of the two journals is extended so that it is close to the clamped in the lifting device Can reach the end of the wave.
- the shaft is non-rotatable but axially movable held in the lifting device, and the outer diameter of the Wave gradually decreases towards the free end.
- the inside diameter of the Sleeve also gradually decreases towards the end, the free end corresponds to the wave.
- the shaft is in operation of the printing press axially withdrawn so that between the shaft and the sleeve all over There is sufficient clearance for the sleeve to allow free rotation. If the sleeve is to be replaced, the shaft is extended axially, so that the shaft sections with the larger diameter fit exactly enter the corresponding sections of the bore of the sleeve. In these The sleeve is thus kept largely free of play on the shaft, so that they can be safely lifted using the lifting device and the shaft can.
- This construction has the advantage that the shaft is in proportion relative to the inside diameter of the sleeve over most of its length large outside diameter and thus a correspondingly high bending stiffness can have.
- the outside diameter is just at the end the largest shaft, which is clamped in the lifting device and the greatest bending moments.
- Figures 1 to 3 each show a longitudinal section, preferably made of metal existing printing cylinder sleeve, hereinafter referred to as "sleeve 10", which is arranged interchangeably on a shaft 12.
- the middle section the sleeve 10 is designed as a hollow cylindrical drum 14, the outer Circumferential surface for clamping printing plates, not shown, is used.
- On drum 14 coaxially closes a hollow journal at each end 16 on, which is firmly connected to the relevant end wall of the drum 14 is.
- On each bearing pin 16 is a roller bearing 18, which is fixed in a frame Bearing block 20 is held.
- each a bearing cap 22 is fixed so that the rolling bearing 18 firmly enclosed and in Position is held.
- a tubular extension 24 with a reduced diameter.
- a gear 26 is rotatably attached, which with a not shown drive gear of the printing machine combs.
- the inner diameter of the sleeve 10 increases from the drum 14 to the trunnion 16 and further to the extension 24 gradually.
- a recess 28 is provided in the journal 16 at the free end.
- the shaft 12 has a main section 30, which is small in FIG Game extends through the control side journal 16 and to the an end portion 34 with a smaller one at the free end via a cone 32 Diameter connects.
- the end section 34 is in turn at the free end provided with a cone.
- a base section 36 with a larger one Diameter extending through a lifting device 38 and is connected at the free end to an axial drive 40.
- Figure 1 shows the state during the operation of the printing press in which the sleeve 10 is driven via the gear 26, while the shaft 12 is held in rotation in the lifting device 38 and the sleeve 10 on none Spot touched. If the press is stationary (or at least when Standstill of the printing unit belonging to the sleeve 10) including the sleeve 10 of the gear 26 is to be replaced, so first the bearing cover 22 removed, so that the bearing blocks 20 are open at the top. Then the axial drive 40 is actuated to horizontally in the shaft 12 Extend towards the drive side.
- the base section 36 of the shaft is made using a clamping jaw 42 of the lifting device 38 clamped and firmly clamped, and the on this way held shaft 12 together with the sleeve 10 with the help the lifting device 38 is raised to the position shown in FIG.
- the Bearing journals 16 with the roller bearings 18 are made from the bearing blocks 20 lifted out, so that the sleeve 10 is cantilevered above the bearing block 20 is located. In this state, the unit can then turn off Sleeve 10, gear 26 and roller bearings 18 axially to the drive side of the shaft 12 are withdrawn, as shown in Figure 3.
- the device described above has the advantage that the shaft 12 even with the printing press not running with the sleeve 10, which is a easier fixation of the base section 36 in the lifting device 38 and allows a simple coupling of the shaft with the axial drive 40.
- the jaw 42 can therefore also be permanent in the lifting device effective axial guidance can be provided for the shaft.
- both journals 16 are firmly engaged with the shaft 12 so that the inherent rigidity of the sleeve contributes to the stabilization of the shaft 12 and due to the weight of the sleeve on the shaft clamped only on one side 12 acting bending forces can be better absorbed. These bending forces occur primarily in the base portion 36 of the shaft at this construction has the largest diameter.
- the outside diameter the shaft 12 at least in the lying within the sleeve 10 Reduce sections so that it is smaller than the smallest inner diameter the sleeve so that during operation of the printing press (in the condition corresponding to Figure 1) everywhere an adequate annular gap between the shaft 12 and the sleeve 10 and which in the bearing blocks 20th stored sleeve can rotate freely.
- the axial drive 40 can be dispensed with. If the sleeve using the lifting and clamping mechanism 38 and the shaft 12 is raised, butt after a short Stroke of the upper vertex of the shaft on the inner circumference of the sleeve so that is carried along with the further upward movement of the sleeve.
- Figures 4 to 6 show another embodiment in which the shaft 12 during the operation of the printing press (in the state according to FIG 4) rotates with the sleeve 10.
- the control-side bearing pin 16 is in this Embodiment extends and also has a tubular Extension 44 with a smaller diameter.
- the sleeve 10 sits in this Case with their journals 16 substantially free of play, but axially displaceable on the shaft 12.
- the shaft 12 points through the lifting device 38 extending area instead of the base section 36, a socket 46 with the main portion 30 of the shaft open to the drive side Annular gap 48 forms (Figure 6).
- the jaw 42 of the lifting device engages during the lifting process (FIG. 5) on the outer circumference of the bush 46.
- One end section of the bushing 46 fits snugly on the circumference of the shaft 12, so that the weight forces acting on the shaft 12 on the bushing 46 can be transferred and then picked up by the clamping mechanism.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Support Of The Bearing (AREA)
Description
- Fig. 1 bis 3
- schematische Längsschnitte durch eine Vorrichtung gemäß einem ersten Ausführungsbeispiel der Erfindung in drei unterschiedlichen Stellungen vor und während des Hülsenwechsels; und
- Fig. 4 bis 6
- Darstellungen analog zu Figuren 1 bis 3, jedoch für ein anderes Ausführungsbeispiel der Erfindung.
Claims (9)
- Vorrichtung zur Lagerung von wechselbaren Druckzylinderhülsen (10) in Druckmaschinen mit:zwei Lagerböcken (20), die zur drehbaren Abstützung der Druckzylinderhülse während des Betriebs der Druckmaschine dienen,einer axial durch die Druckzylinderhülse verlaufenden Welle (12) undeiner an einem Ende der Welle (12) außerhalb des dortigen Lagerbockes (20) angeordneten Hubvorrichtung (38), mit der die Welle mitsamt der Druckzylinderhülse (10) frei auskragend anhebbar ist, so daß die Druckzylinderhülse von den Lagerböcken (20) freikommt und axial von der Welle (12) abgezogen werden kann, wobei
daß die Druckzylinderhülse (10) mit starr an ihren beiden Enden angebrachten hohlen Lagerzapfen (16) versehen ist, die während des Betriebs der Druckmaschine in den Lagerböcken (20) gelagert sind. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß zwischen der Druckzylinderhülse (10) und der Welle (12) während des Betriebs der Druckmaschine ein solches Radialspiel besteht, daß die in den Lagerböcken gelagerte Druckzylinderhülse bei feststehender Welle (12) frei drehbar ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Welle (12) mittels eines Axialantriebs (40) relativ zu den Lagerböcken (20) in Axialrichtung zwischen einer Betriebsposition und einer Aushebeposition verstellbar ist, daß die Druckzylinderhülse (10) Abschnitte mit unterschiedlichen Innendurchmessern und die Welle (12) Abschnitte (30, 34, 36) mit unterschiedlichen Außendurchmessern aufweist und daß in der Aushebeposition die Abschnitte (30, 34, 36) der Welle jeweils in Abschnitten der Druckzylinderhülse (10) liegen, deren Innendurchmesser gleich dem Außendurchmesser des betreffenden Wellenabschnitts ist, während in der Betriebsposition die Abschnitte (30, 34, 36) der Welle (12) ganz in Abschnitten der Druckzylinderhülse (10) liegen, die einen größeren Innendurchmesser haben.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Außendurchmesser der Welle (12) von dem in der Hubvorrichtung (38) gehaltenen Ende zum entgegengesetzten Ende hin abnimmt.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Welle (12) während des Betriebs der Druckmaschine mitdrehbar in der in den Lagerböcken (20) gelagerten Druckzylinderhülse (10) gehalten und in der Hubvorrichtung (38) frei drehbar ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß auf einem Ende der Welle (12) eine Buchse (46) starr befestigt ist, an deren Außenumfang die Hubvorrichtung (38) angreift und die mit der Welle einen zum entgegengesetzten Ende der Welle offenen Ringspalt (48) bildet, in den ein rohrförmiger Fortsatz (44) eines Lagerzapfens (16) der Druckzylinderhülse (10) eingreift.
- Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Lagerzapfen (16) der Druckzylinderhülse (10) jeweils ein Wälzlager (18) tragen, das beim Wechsel der Druckzylinderhülse (10) zusammen mit der Druckzylinderhülse aus dem betreffenden Lagerbock (20) aushebbar ist.
- Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß ein zum Drehantrieb der Druckzylinderhülse (10) dienendes Zahnrad (26) drehfest auf der Druckzylinderhülse montiert ist und mit dieser eine auswechselbare Einheit bildet.
- Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der Lagerzapfen (16) an dem Ende der Druckzylinderhülse (10), das der Hubvorrichtung (38) entgegengesetzt ist, einen axial zum freien Ende hin vorspringenden rohrförmigen Fortsatz (24) aufweist, der das Zahnrad (26) trägt.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES95116394T ES2126830T3 (es) | 1995-10-18 | 1995-10-18 | Dispositivo para el cambio de los casquillos de cilindros de impresion en maquinas de imprimir. |
DE59504993T DE59504993D1 (de) | 1995-10-18 | 1995-10-18 | Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen |
DK95116394T DK0769373T3 (da) | 1995-10-18 | 1995-10-18 | Indretning til udskiftning af trykkecylinderkapper i trykkemaskiner |
EP95116394A EP0769373B1 (de) | 1995-10-18 | 1995-10-18 | Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen |
AT95116394T ATE176194T1 (de) | 1995-10-18 | 1995-10-18 | Vorrichtung zum wechseln von druckzylinderhülsen in druckmaschinen |
US08/685,407 US5638754A (en) | 1995-10-18 | 1996-07-24 | Apparatus for changing printing cylinder sleeves in printing machines |
JP8238522A JPH09123396A (ja) | 1995-10-18 | 1996-08-21 | 印刷機内の印刷シリンダスリーブ交換装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95116394A EP0769373B1 (de) | 1995-10-18 | 1995-10-18 | Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0769373A1 EP0769373A1 (de) | 1997-04-23 |
EP0769373B1 true EP0769373B1 (de) | 1999-01-27 |
Family
ID=8219726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95116394A Expired - Lifetime EP0769373B1 (de) | 1995-10-18 | 1995-10-18 | Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5638754A (de) |
EP (1) | EP0769373B1 (de) |
JP (1) | JPH09123396A (de) |
AT (1) | ATE176194T1 (de) |
DE (1) | DE59504993D1 (de) |
DK (1) | DK0769373T3 (de) |
ES (1) | ES2126830T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110709248A (zh) * | 2017-04-07 | 2020-01-17 | 博斯特佛罗伦萨有限公司 | 具有可互换印刷套筒的印刷单元 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6113346A (en) | 1996-07-31 | 2000-09-05 | Agfa Corporation | Method for loading and unloading a supply of plates in an automated plate handler |
US5816154A (en) * | 1997-05-09 | 1998-10-06 | Bryce International, L.L.C. | Print cylinder support for axial removal of a cylindrical sleeve |
CA2224762A1 (en) * | 1998-01-23 | 1999-07-23 | Bob Erbstein | Variable cutoff press unit |
EP1000737B1 (de) * | 1998-11-06 | 2002-03-13 | Fischer & Krecke Gmbh & Co. | Druckmaschine |
EP1025996B1 (de) | 1999-02-01 | 2001-11-28 | Fischer & Krecke Gmbh & Co. | Druckplattenzylinder |
US6142073A (en) * | 1999-08-20 | 2000-11-07 | Paper Converting Maching Company | Method and apparatus for exchanging a roll of a printing press |
US6250223B1 (en) * | 1999-10-22 | 2001-06-26 | Heidelberger Druckmaschinen Ag | Blanket tube removal device |
DE10008224B4 (de) * | 2000-02-23 | 2006-06-29 | Man Roland Druckmaschinen Ag | Vorrichtung zum Ein- und Ausbau eines Zylinders einer Druckmaschine |
ES2257248T3 (es) | 2000-10-13 | 2006-08-01 | FISCHER & KRECKE GMBH & CO. | Maquina de impresion flexografica con dispositivo de lavado para el cilindro de contrapresion. |
AU2003265143A1 (en) * | 2003-08-25 | 2005-03-10 | Officine Curioni S.P.A. | Printing machine with extensible print cylinder for easy change of the print sleeve |
ES2242520B1 (es) * | 2004-01-14 | 2007-02-16 | Comexi, S.A. | Dispositivo automatico de manipulacion y transporte de camisas de impresion. |
DE102004037253B4 (de) * | 2004-07-31 | 2013-09-05 | Windmöller & Hölscher Kg | Sleevewechselsystem |
ES1065654Y (es) * | 2006-07-27 | 2008-01-16 | Rotatek S A | Cilindro con aros de rodadura para maquinas de impresion offset |
DE102006048140B3 (de) * | 2006-10-10 | 2008-04-10 | Windmöller & Hölscher Kg | Antrieb einer Hülsenaufnahmeeinrichtung in einem Magazin |
US7753595B2 (en) * | 2007-03-01 | 2010-07-13 | Hewlett-Packard Development Company, L.P. | Printer drum bearing mount |
US8528210B2 (en) * | 2009-08-18 | 2013-09-10 | Mitsubishi Kagaku Imaging Corporation | Universal magnet roller press apparatus, assembly, and method |
DE202016102779U1 (de) | 2016-05-25 | 2017-08-28 | Bobst Bielefeld Gmbh | Vorrichtung zur Betätigung einer hydraulischen Trägerstange einer Rotationsdruckmaschine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2103812A (en) * | 1932-09-22 | 1937-12-28 | Standard Process Corp | Multiple impression printing apparatus and method |
US2245617A (en) * | 1939-09-13 | 1941-06-17 | Rice Barton Corp | Printing machine |
US2605701A (en) * | 1949-08-09 | 1952-08-05 | William C Huebner | Cylinder mounting means for rotary printing apparatus |
US3039387A (en) * | 1959-08-13 | 1962-06-19 | Miehle Goss Dexter Inc | Apparatus affording interchange of cylinders in printing presses |
FR1327229A (fr) * | 1962-04-05 | 1963-05-17 | Traitements Chimiques Des Text | Dispositif perfectionné d'impression formé d'un rouleau et de son arbre porteur |
US4122354A (en) * | 1977-04-06 | 1978-10-24 | Thermo King Corporation | Internal combustion engine starting circuit |
DE3715536A1 (de) * | 1987-05-09 | 1988-12-01 | Roland Man Druckmasch | Lagerung fuer einen druckwerkzylinder |
DE4036390A1 (de) * | 1990-11-15 | 1992-05-21 | Roland Man Druckmasch | Lagerung fuer einen druckwerkzylinder |
DE4036391A1 (de) * | 1990-11-15 | 1992-05-21 | Roland Man Druckmasch | Lagerung fuer einen druckwerkzylinder |
US5272977A (en) * | 1992-02-05 | 1993-12-28 | Toshiba Kikai Kabushiki Kaisha | Printing plate mounting apparatus, printing plate replacement apparatus and printing plate replacement method |
DE4241565A1 (de) * | 1992-12-10 | 1994-06-16 | Roland Man Druckmasch | Lagerung für einen mit einer aufschiebbaren Hülse ausgestatteten Druckzylinder |
DE4340915A1 (de) * | 1993-02-23 | 1994-08-25 | Heidelberger Druckmasch Ag | Auswechselbare Andrückhülse |
JP2724668B2 (ja) * | 1993-09-24 | 1998-03-09 | 株式会社東京機械製作所 | 刷版配送装置 |
US5370047A (en) * | 1993-12-01 | 1994-12-06 | Paper Converting Machine Company | Flexographic press adapted for short runs and method |
DE4415340C2 (de) * | 1994-05-02 | 1996-03-14 | Roland Man Druckmasch | Druckwerkszylinder einer Rollenrotationsdruckmaschine |
-
1995
- 1995-10-18 AT AT95116394T patent/ATE176194T1/de not_active IP Right Cessation
- 1995-10-18 DE DE59504993T patent/DE59504993D1/de not_active Expired - Lifetime
- 1995-10-18 DK DK95116394T patent/DK0769373T3/da active
- 1995-10-18 EP EP95116394A patent/EP0769373B1/de not_active Expired - Lifetime
- 1995-10-18 ES ES95116394T patent/ES2126830T3/es not_active Expired - Lifetime
-
1996
- 1996-07-24 US US08/685,407 patent/US5638754A/en not_active Expired - Lifetime
- 1996-08-21 JP JP8238522A patent/JPH09123396A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110709248A (zh) * | 2017-04-07 | 2020-01-17 | 博斯特佛罗伦萨有限公司 | 具有可互换印刷套筒的印刷单元 |
CN110709248B (zh) * | 2017-04-07 | 2022-03-15 | 博斯特佛罗伦萨有限公司 | 具有可互换印刷套筒的印刷单元 |
US11390067B2 (en) | 2017-04-07 | 2022-07-19 | Bobst Firenze S.R.L. | Printing unit with interchangeable printing sleeve |
Also Published As
Publication number | Publication date |
---|---|
JPH09123396A (ja) | 1997-05-13 |
ES2126830T3 (es) | 1999-04-01 |
DK0769373T3 (da) | 1999-09-13 |
EP0769373A1 (de) | 1997-04-23 |
ATE176194T1 (de) | 1999-02-15 |
DE59504993D1 (de) | 1999-03-11 |
US5638754A (en) | 1997-06-17 |
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