EP0739727B1 - Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen - Google Patents
Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen Download PDFInfo
- Publication number
- EP0739727B1 EP0739727B1 EP96104601A EP96104601A EP0739727B1 EP 0739727 B1 EP0739727 B1 EP 0739727B1 EP 96104601 A EP96104601 A EP 96104601A EP 96104601 A EP96104601 A EP 96104601A EP 0739727 B1 EP0739727 B1 EP 0739727B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support bearing
- cylinder
- printing
- plate
- bearing
- 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
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
- B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
- B41F27/1225—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 substantially rectilinearly
- B41F27/1243—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 substantially rectilinearly by pivotal or swivelling motion, e.g. by means of a rocking lever
Definitions
- the invention relates to a device for tensioning the Trailing edge of a printing plate in the plate cylinder from Rotary printing machines with an expansion shaft, which in one extending in the longitudinal direction of the plate cylinder Channel is provided, with tensioning elements on the expansion shaft are attached, which interact with holding elements and a Allow tensioning of the pressure plate, and on both sides of the Expansion shaft adjusting means are provided, which are based on the Supported cylinder cheeks and stretching the pressure plate in Enable axial direction, with the expansion shaft in Cylinder center is rotatably supported in a support bearing and guided axially on both sides of the support bearing is.
- a known version of this type is in the DE 42 44 279 A1 discloses, the object being achieved here is that a pressure plate in the clamped state Print image changes due to expansion of the processing print carrier is customizable.
- the pressure plate trailing edge can be solved in the axial direction seen from a support bearing arranged in the middle be stretched on both sides.
- a tensioning device for the To create the rear edge of a printing plate in which the Elongation of the trailing edge of the plate can also be adapted to the print carrier is that not only stretched in the rear area but are also offset laterally by a small amount.
- This can e.g. B. occur when a press sheet only on one side is provided with a printed image so that the whole sheet not only expanding, but also on its rear edge is laterally offset.
- the object is achieved in that the Guide of the expansion shaft in the support bearing axially adjustable is trained.
- this solution is the printer Possibility given on the appropriate actuating means to exert a higher pulling force on one side of the expansion shaft, so that the expansion shaft in its entire length compared to the Support bearing is axially adjusted by a small amount.
- the pressure plate is shifted somewhat axially, so that adapted to the existing print image on the printed sheet can be.
- the Trailing edge of the printing plate according to the requirements be stretched so that an optimal adjustment of the Trailing edge of the plate can be carried out.
- the printer can use the threaded bushing Precisely adjust the lateral offset of the rear edge of the panel and then the stretching of the pressure plate trailing edge in the usual Perform wise.
- a further embodiment of the invention is thereby characterized in that between the support bearing and thrust bearing a plate spring is provided on each side of the support bearing which can be loaded differently using the adjusting means.
- a plate spring is provided on each side of the support bearing which can be loaded differently using the adjusting means.
- the Printer can thus cause an axial displacement of the expansion shaft via the adjusting means against the force of a disc spring make so that these axially in the range of travel can be postponed.
- the shift is about a few tenths of a millimeter.
- the plate springs move the expansion shaft back into theirs Zero position back.
- the same effect can also be achieved in that the Support bearing designed resilient and from the adjusting means the zero position can be deflected.
- the resilient training can through a weakened area on the support bearing itself be provided, the elasticity of the Support bearing when releasing the adjusting means in turn Zero position is brought about.
- a Suspension through the support of the support bearing z. B. also can be brought about on disc springs.
- a plate cylinder 1 On a plate cylinder 1 are on the two Cylinder faces 2 and 3 provided the cylinder faces each take a radial bearing 9.
- the radial bearing 9 In the radial bearing 9 is one through a channel 4 in the longitudinal direction of the Plate cylinder 1 extending expansion shaft 5 is provided.
- the expansion shaft 5 is centered by a support bearing 6 supported, which with retaining screws 7 on the plate cylinder 1 is attached.
- Radial bearings 10 are in support bearing 6 provided that guide the expansion shaft 5 radially. Farther the expansion shaft 5 is supported on both sides by axial bearings 8 Support bearing 6 from.
- the support bearing 6 is on both sides of the expansion shaft 5 individual clamping elements 15 provided by Holding bolt 17 in position on the expansion shaft 5 are set. At the ends of the expansion shaft 5 are in the area the cylinder cheeks 2 and 3 on the inside Strain relief rings 13 attached to the expansion shaft 5. On the outside of the cylinder cheeks 2 and 3 are at the ends the expansion shaft 5 each executed thread sections which is designed, for example, as an adjusting nut Actuator 11 is movable. Both actuators 11 is each assigned a scale 12. The scale 12 enables reading of the travel range. To reduce the Head friction between the outer surfaces of the cylinder cheeks 2 and 3 and the outer surfaces of the actuating elements 11 are between the cylinder carriages 2 and 3 and the actuators 11 Thrust bearing 10 is provided. Between Strain relief rings 13 and the inside of the Cylinder carriage 2 and 3 is an air gap 14 of a few provided tenths of a millimeter.
- the clamping elements 15 are on the expansion shaft 5 by means of Retaining bolt 17 attached.
- Each clamping element 15 is one Clamping lever 20 assigned to the pressure plate end to the Clamping elements 15 clamped. By twisting in Clockwise can be the clamping elements 15 Tighten pressure plate 18 on the cylinder surface.
- the Tension levers 20 are mounted on bolts 19 which are in turn fastened in a lever extension 22.
- the Tensioning the pressure plate end 16 is carried out by the Springs 24 and 25, the spring force, for example, by an adjusting screw 23 can be adapted to the requirements can.
- the bearing of the expansion shaft 5 is over Radial bearing 9 shown in a threaded bushing 21.
- the Threaded bushing 21 rests on the axial bearing 8 without play Clamping elements 15 on, the retaining bolts 17 with the Expansion shaft 5 are connected.
- the threaded bushing 21 can e.g. B. via a clamping screw 26 in the support bearing 6th be set free of play so that the lateral Movement of the support shaft 5 can be carried out very precisely.
- FIG of the expansion shaft 5 in the axial direction over the Clamping elements 15 and the axial bearing 8 on both sides of the Support bearing 6 is supported on plate springs 27.
- the Printer is thus able to tighten more an actuating element 11 on one side of the plate cylinder 1 to load a diaphragm spring higher, so that the expansion shaft 5 is moved to this side by a small amount.
- Expansion shaft 5 are deflected from their zero position, so that a correction of the print medium is possible in a simple manner is.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Description
- Fig. 1
- einen Längsschnitt durch den Kanal eines Plattenzylinders mit Dehnwelle,
- Fig. 2
- einen Querschnitt durch den Kanal und durch ein Spannelement für die Druckplatte,
- Fig. 3
- einen Teillängsschnitt durch die Spannwelle mit Gewindebüchse,
- Fig. 4
- einen Teillängsschnitt durch die Spannwelle mit Tellerfedern.
- 1
- Plattenzylinder
- 2
- Zylinderwange
- 3
- Zylinderwange
- 4
- Kanal
- 5
- Dehnwelle
- 6
- Stützlager
- 7
- Halteschraube
- 8
- Axiallager
- 9
- Radiallager
- 10
- Axiallager
- 11
- Stellelement
- 12
- Skalierung
- 13
- Dehnbegrenzungsring
- 14
- Spalt
- 15
- Spannelement
- 16
- Druckplattenende
- 17
- Haltebolzen
- 18
- Druckplatte
- 19
- Bolzen
- 20
- Spannhebel
- 21
- Gewindebüchse
- 22
- Hebelfortsatz
- 23
- Stellschraube
- 24
- Feder
- 25
- Spannfeder
- 26
- Klemmschraube
- 27
- Tellerfeder
Claims (4)
- Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen mit einer Dehnwelle, die in einem sich in Längsrichtung des Plattenzylinders erstreckenden Kanal vorgesehen ist, wobei auf der Dehnwelle Spannelemente befestigt sind, die mit Halteelementen zusammenwirken und ein Spannen der Druckplatte ermöglichen und beiderseits an der Dehnwelle Stellmittel vorgesehen sind, die sich an den Zylinderwangen abstützten und ein Dehnen der Druckplatte in Achsrichtung ermöglichen, wobei die Dehnwelle in Zylindermitte in einem Stützlager drehbar gelagert und über Axiallager beiderseits des Stützlagers axiale geführt ist,
dadurch gekennzeichnet,
daß die Führung der Dehnwelle (5) im Stützlager (6) axial verstellbar ausgebildet ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß in dem Stützlager (6) eine Gewindebüchse (21) vorgesehen ist, an der sich die Axiallager (8) abstützen,
unddaß die Gewindebüchse (21) nach dem Verstellen mittels Klemmschraube (26) im Stützlager (6) spielfrei einstellbar ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß zwischen Stützlager (6) und Axiallager (8) beiderseits des Stützlagers (6) je eine Tellerfeder (27) vorgesehen ist, die über Stellmittel (11) unterschiedlich belastbar sind. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das Stützlager (6) federnd ausgebildet und über die Stellmittel (11) aus der Null-Stellung auslenkbar ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19515845A DE19515845A1 (de) | 1995-04-29 | 1995-04-29 | Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen |
| DE19515845 | 1995-04-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0739727A2 EP0739727A2 (de) | 1996-10-30 |
| EP0739727A3 EP0739727A3 (de) | 1997-03-12 |
| EP0739727B1 true EP0739727B1 (de) | 1998-12-09 |
Family
ID=7760722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96104601A Expired - Lifetime EP0739727B1 (de) | 1995-04-29 | 1996-03-22 | Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5694854A (de) |
| EP (1) | EP0739727B1 (de) |
| JP (1) | JP3977456B2 (de) |
| DE (2) | DE19515845A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19634947C1 (de) * | 1996-08-29 | 1998-01-08 | Roland Man Druckmasch | Justiervorrichtung für Druckplatten |
| DE10009667B4 (de) * | 1999-03-19 | 2004-06-03 | Heidelberger Druckmaschinen Ag | Spanneinrichtung zum Aufspannen von Druckformen |
| DE10056195A1 (de) * | 1999-12-13 | 2001-06-28 | Heidelberger Druckmasch Ag | Vorrichtung zum Spannen der Hinterkante einer Druckplatte im Plattenzylinder von Rotationsdruckmaschinen |
| CN101204869B (zh) * | 2006-12-22 | 2013-05-08 | 海德堡印刷机械股份公司 | 具有印版操作装置的印刷机 |
| DE102008007376A1 (de) * | 2008-02-01 | 2009-08-13 | Manroland Ag | Druckwerk für eine Rotationsdruckmaschine |
| CN109605912B (zh) * | 2019-01-21 | 2020-06-19 | 广东华盛铭兔环保科技股份有限公司 | 一种一轴一体化三维动向的印刷轴调节装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3335663A (en) * | 1964-08-12 | 1967-08-15 | Miehle Goss Dexter Inc | Plate lockup for reversible plate cylinder |
| DE2220652C3 (de) * | 1972-04-27 | 1975-04-17 | Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach | Vorrichtung zum Befestigen von Druckplatten auf dem Plattenzylinder einer Rotationsdruckmaschine |
| DE4241588C2 (de) * | 1992-12-10 | 1994-11-17 | Roland Man Druckmasch | Seitenregistersystem für Druckformen |
| DE4244279C2 (de) * | 1992-12-28 | 1995-05-18 | Heidelberger Druckmasch Ag | Druckformkorrektureinrichtung zum Ausgleich von Druckträgerdehnungen |
| DE4304328C2 (de) * | 1993-02-13 | 2003-01-30 | Heidelberger Druckmasch Ag | Vorrichtung zum Aufspannen einer biegsamen Druckplatte auf einem Plattenzylinder einer Rotationsdruckmaschine |
| DE9318599U1 (de) * | 1993-12-04 | 1994-02-24 | Heidelberger Druckmaschinen Ag, 69115 Heidelberg | Vorrichtung zum Verschwenken von biegsamen Druckplatten auf dem Plattenzylinder von Rotationsdruckmaschinen |
| US5383401A (en) * | 1994-02-22 | 1995-01-24 | Heidelberg Druckmaschinen Ag | Actuating device for clamping arrangement for printing plates in rotary printing presses |
-
1995
- 1995-04-29 DE DE19515845A patent/DE19515845A1/de not_active Withdrawn
-
1996
- 1996-03-22 EP EP96104601A patent/EP0739727B1/de not_active Expired - Lifetime
- 1996-03-22 DE DE59600934T patent/DE59600934D1/de not_active Expired - Lifetime
- 1996-04-25 JP JP10527396A patent/JP3977456B2/ja not_active Expired - Fee Related
- 1996-04-26 US US08/638,480 patent/US5694854A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59600934D1 (de) | 1999-01-21 |
| JP3977456B2 (ja) | 2007-09-19 |
| US5694854A (en) | 1997-12-09 |
| DE19515845A1 (de) | 1996-10-31 |
| JPH08300626A (ja) | 1996-11-19 |
| EP0739727A2 (de) | 1996-10-30 |
| EP0739727A3 (de) | 1997-03-12 |
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