EP1070583A1 - Verfahren und Vorrichtung für den Druckformwechsel - Google Patents
Verfahren und Vorrichtung für den Druckformwechsel Download PDFInfo
- Publication number
- EP1070583A1 EP1070583A1 EP00113627A EP00113627A EP1070583A1 EP 1070583 A1 EP1070583 A1 EP 1070583A1 EP 00113627 A EP00113627 A EP 00113627A EP 00113627 A EP00113627 A EP 00113627A EP 1070583 A1 EP1070583 A1 EP 1070583A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- cylinder
- forme cylinder
- fastening device
- edge
- 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
Links
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
- B41F27/1206—Feeding to or removing from the forme cylinder
Definitions
- the invention relates to a method and an apparatus for a printing form change according to the preamble of the method or device claim.
- the cylinder is first used to feed a new printing form move into a position so that the tangential to the Cylinder brought up printing form with the beginning of printing associated edge in a corresponding fastening device can be introduced.
- the fastening takes place the pressure plate (clamps).
- the printing form cylinder rotated forward until the printing form is almost complete is drawn around the outer circumference of the forme cylinder. Additional pressure rollers are used to press one onto the printing form appropriate traction exerted so that a smooth Place the printing form on the outer circumference of the cylinder results.
- the forme cylinder is rotated forward until the End of printing of the printing form by an assigned pressure roller in the fastening device associated with the printing end Cylinder can be inserted.
- the printing form After fixing (clamping) the trailing end of the printing form (End of printing) the printing form is tensioned by Build traction of the pressure end fastener.
- This traction can in particular be applied by spring elements.
- Devices for that automated changing of printing forms of the forme cylinder, in which the working steps outlined above are carried out are from DE 4215969 C2 and EP 0654349 A1 known.
- a device is also known from EP 0660777 B1 for feeding and removing printing forms from the forme cylinder known, here both the supply and discharge of Printing form takes place with a direction of rotation of the forme cylinder.
- the printing form to be discharged is released at the start of printing and with the beginning of printing in a corresponding one Conveyed into the storage chamber.
- the above facilities have in common that the change on the delivery side, i.e. from the side of the Printing unit forth, which the delivery of the sheet printing machine assigned.
- the one Pages assigned to the boom are generally easily accessible, i.e. after opening a slide or folding protection are parts the blanket and printing form cylinder (plate cylinder) accessible.
- the one facing the feeder of the sheet printing machine Parts of the printing units are mostly with the rollers of the ink and Dampening units occupied, so that from this side Do not have printing forms changed. For this reason, too Devices for the semi and fully automatic changing of Printing forms attached to the delivery side of the printing units.
- a sheetfed offset press with an upstream printing unit shows for example DE 4343616 A1.
- the object of the present invention is therefore a method and an apparatus for performing the method according to the preamble of the process or device claim to expand so that an easy one and none Change of printing plates requiring additional component work of the forme cylinder of sheet-fed printing machines, especially for forme cylinders of back pressure devices is possible.
- the to be fed Print form first with the edge assigned to the print end on the corresponding fastening device of the forme cylinder is attached. Then the forme cylinder in the Direction of rotation when printing opposite direction of rotation driven until the new printing form almost completely around the The outer circumference of the forme cylinder is drawn up. Thereupon the edge associated with the start of printing is fastened the printing form on the corresponding fastening device.
- the forme cylinder is used to remove a used printing form driven in the direction of rotation when printing, whereby first the printing start edge of the printing form is released (released) becomes. After turning the forme cylinder in the direction of rotation when printing, the printing form can, for example, by hand be removed. It is also possible for the forme cylinder to assign corresponding receptacles for printing forms, into which the printing form is conveyed.
- feeding and discharging takes place Printing form to - or from the cylinder with compared to the conventional Reverse direction of rotation of the cylinder.
- the removal of a used Printing form takes place in an analogous manner.
- the method according to the invention is preferably used in forme cylinders of offset printing units of sheet-fed offset printing machines Use.
- a printing unit is arranged upstream, are the printing forms in the first printing unit by the inventive To switch procedures in simply.
- the method and device is also when interacting directly with an impression cylinder Forme cylinders in sheetfed offset printing presses applicable.
- the method according to the invention also makes it possible to a forme cylinder in the impression unit or in the coating unit to be used in its structure and in terms of Fastening device for the printing form edges of the cylinders of the other printing units.
- the forme cylinder in the impression unit runs in reverse while printing Direction of rotation, i.e. that of the forme cylinder in the straight printing unit the fastening device assigned to the start of printing is in Forme cylinder of the counter-printing unit assigned to the end of printing.
- the print end assigned in the straight printing unit is analogous Fastening device in the forme cylinder of the counterpressure unit assigned to the start of printing.
- the invention performing the successive steps automated.
- This is the end of the printing cylinder assigned fastening devices as sensors or electrical contacts trained plate locking means assigned.
- trained plate detection means is a signal can be generated, by which the new to be fed printing form of the forme cylinder via the drive in the direction intended for mounting the new printing form is drivable.
- the invention provides that also on the Fastening device associated with the start of the forme cylinder determining the correct position of the printing form Sensors are arranged. After opening a new one Printing form around the outer circumference of the forme cylinder and insertion of the printing start area in the corresponding fastening device can be signaled on a display device, that the pressure plate is in register.
- the in the one assigned to the print start and / or print end Fastening device attached plate locking means designed as electrically interrogable register pins so is the printing form at the edge of the start of printing and / or Apply appropriate die cuts to the end of the print.
- the device includes a drive assigned control through which the forme cylinder to Pulling up a new printing form contrary to that when printing executed direction of rotation is drivable.
- the forme cylinder assigned drive can in particular the main drive the printing press, which is used to change the printing form in the is already controlled accordingly.
- the Control upstream of the drive also the start of printing and plate fixing means associated with the printing end of the forme cylinder in signal connection. This makes it an automated Program run possible, i.e. the forme cylinder will first move to a designated position, then the new printing plate to be fed with the printing end first in the appropriate fastening device are introduced can.
- the fastening device After the plate fixing means arranged there the fastening device will signal a correct position closed (control of a corresponding Actuator) and the forme cylinder in the Pulling the new printing form against the direction of rotation the direction of rotation of the printing. The forme cylinder will then be in a position to insert the start of printing stopped in the associated fastener.
- the actuator for detecting the Print start edge of the printing form activated until in the corresponding one Fastening device arranged plate locking means that the printing plate is present (plate leading edge) signal. Then the fastening takes place the printing request area of the printing form (clamps).
- Figure 1 shows a sheet-fed offset printing machine in series with two printing units 1 and 2.
- printing units 1 and 2 act in a known manner forme cylinder 3 with blanket cylinder 4 and impression cylinders 5 (double large) together.
- the transport of the sheets between the impression cylinders 5 and the first impression cylinder 5 of the first Printing unit 1 takes place via transfer drums 6.
- the first Upstream of printing unit 1 is an offset printing unit, which consists of an impression cylinder arranged between two transfer drums 6, 8 7 with a blanket cylinder 9 and forme cylinder 10 exists.
- the blanket cylinder 9 and the forme cylinder 10 of the counterpressure are below the impression cylinder 7 arranged so that the dampening unit 11 and the inking unit 12 is arranged below the forme cylinder 10 are.
- the feeder of this printing press is not in FIG. 1 shown and is located on the right of the counterpressure upstream.
- Figures 2 to 9 show an enlarged section of the Back printing unit with the impression cylinder 7, the blanket cylinder 9 and the forme cylinder 10.
- the forme cylinder 10 has the beginning of printing in a pit DA and the printing end assigned DE and each as a rail trained fastening device 15, 16.
- the fasteners are carried out in a manner known per se, wherein the fastening device associated with the beginning of printing DA 16 (rail) for gripping and tensioning the wind-up Printing form is pivotable overall.
- the forme cylinder 10 also acts on and on this adjustable pressure roller 17 together.
- the inner protection 14 is pivotable in three positions and takes in particular that shown in Figures 2 to 7 horizontal position.
- the surface of the inner protection 14 and part of the protection 13 result in a horizontal Support for the printing form 18 to be fed.
- a new printing form 18 is through one between the upper and lower part of the external pollution 13 formed gap fed to the plate cylinder 10.
- the forme cylinder 10 was previously in such a position proceed that the fastening device assigned to the printing end DE 15 (tensioning rail) the corresponding end of the Printing form 18 can capture.
- the fastening device assigned to the printing end DE 15 tensioning rail
- the corresponding end of the Printing form 18 can capture.
- For rough alignment of the printing form 18 in the side register direction (axial direction of the forme cylinder 10) are at the top of the horizontal part of the Protection 13 and / or internal protection alignment means arranged.
- the form cylinder 10 is with the direction of rotation shown in Figure 5 rotated until the printing form 18 all around the outer circumference of the forme cylinder 10 is mounted and the beginning of printing Printing form 18 by pressing the pressure roller 17 for insertion in the fastening device assigned to the beginning of printing DA 16 the detection area (gap) of the tensioning rail opposite (Fig. 6).
- the detection area (gap) of the tensioning rail opposite Fig. 6
- the total pivotable fastening device 16 of the beginning of printing DA the beginning of printing DA of printing form 18 is recorded and then clamped (Fig. 7).
- the printing form is tensioned 18 by building a circumferential one Force, in particular by the fastening device 16 associated spring elements and not shown in the figures.
- Printing form 18 is the forme cylinder 10 in the in Figure 8 Move the position shown and the beginning of the pressure DA Fastening device 16 holding printing form 18 released.
- As shown in Figure 9 is for Removing the printing form 18 is a part of the outer protection 13 can be opened upwards, also the inner protection 14 tilted into the lower position.
- the forme cylinder 10 will remain in the direction of rotation when printing rotated until the one shown in Figures 2 to 4 Position taken to insert a new printing form 18 has and after loosening the DE holding the printing end Fastening device 15 the printing form 18 from the forme cylinder 10 can be removed.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Handling Of Cut Paper (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Making Paper Articles (AREA)
- Dot-Matrix Printers And Others (AREA)
Abstract
Description
- Fig. 1
- eine Bogenoffsetdruckmaschine in Reihenbauweise mit vorgeordnetem Widerdruckwerk
- Fig. 2 - 6
- den Formzylinder des Widerdruckwerkes in den einzelnen Phasen zum Wechseln einer Druckform.
- 1
- - Druckwerk (Schöndruck)
- 2
- - Druckwerk (Schöndruck)
- 3
- - Formzylinder (Schöndruckwerk 1, 2)
- 4
- - Gummituchzylinder (Schöndruckwerk 1, 2)
- 5
- - Gegendruckzylinder (Schöndruckwerk 1, 2)
- 6
- - Transfertrommel
- 7
- - Gegendruckzylinder (Widerdruckwerk)
- 8
- - Transfertrommel
- 9
- - Gummituchzylinder (Widerdruckwerk)
- 10
- - Formzylinder (Widerdruckwerk)
- 11
- - Feuchtwerk (Widerdruckwerk)
- 12
- - Farbwerk (Widerdruckwerk)
- 13
- - Schutz (äußere Verschutzung)
- 14
- - Schutz (innere Verschutzung)
- 15
- - Befestigungsvorrichtung DE (Klemmschiene)
- 16
- - Befestigungsvorrichtung DA (Spannschiene)
- 17
- - Andrückrolle
- 18
- - Druckform
- DA
- - Druckanfang
- DE
- - Druckende
Claims (10)
- Verfahren für den Druckformwechsel bei Bogendruckmaschinen, insbesondere Bogenoffsetdruckmaschinen, wobei die Druckform mit einer Kante voraus einem Formzylinder zugeführt, an einer dieser Kante zugeordneten Befestigungsvorrichtung befestigt, durch Drehen des Formzylinders um dessen Außenumfang aufgezogen, daraufhin mit der zweiten Kante an einer weiteren Befestigungsvorrichtung des Formzylinders befestigt und daraufhin gespannt wird,
dadurch gekennzeichnet,
dass die Druckform mit der dem Druckende zugeordneten Kante voraus in die entsprechende Befestigungsvorrichtung eingeführt wird, dass der Zylinder zum Aufziehen der Druckform in der dem Drehsinn beim Drucken entgegengesetzten Drehrichtung angetrieben wird, und dass daraufhin die dem Druckanfang zugeordnete Kante der Druckform in die entsprechende Befestigungsvorrichtung des Formzylinders eingeführt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass die Druckform nach Einführen der dem Druckanfang zugeordneten Kante in die entsprechende Befestigungsvorrichtung durch Aufbauen einer Zugkraft vom Druckanfang her gespannt wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Lage der Druckform an der dem Druckende zugeordneten Kante in der Befestigungsvorrichtung des Formzylinders sensorisch erfasst wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Lage der Druckform an der dem Druckanfang zugeordneten Kante in der Befestigungsvorrichtung des Formzylinders sensorisch erfasst wird. - Verfahren nach Anspruch 3 und/oder 4,
dadurch gekennzeichnet,
dass das Befestigen der in eine Befestigungsvorrichtung eingeführten Druckform in Abhängigkeit der sensorischen Feststellung erfolgt. - Vorrichtung für den Druckformwechsel bei Bogendruckmaschinen, insbesondere Bogenoffsetdruckmaschinen, mit einer die Druckanfang-Kante der Druckform am Formzylinder aufnehmenden Befestigungsvorrichtung, mit einer die Drukkende-Kante der Druckform am Formzylinder aufnehmenden Befestigungsvorrichtung und mit einem dem Formzylinder zugeordneten Antrieb nebst Steuerung, um den Formzylinder in vorgesehene Richtungen zu drehen, zur Durchführung des Verfahrens nach Anspruch 1,
dadurch gekennzeichnet,
dass durch den Antrieb der Formzylinder (10) nach dem Befestigen der dem Druckende (DE) zugeordneten Kante der Druckform (18) entgegen der Drehrichtung beim Drucken bis zum Aufnehmen der dem Druckanfang (DA) zugeordneten Kante in der zugeordneten Befestigungsvorrichtung (16) antreibbar ist. - Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet,
dass der Formzylinder (10) einem Widerdruckwerk einer Bogenoffsetdruckmaschine zugeordnet ist. - Vorrichtung nach einem der Ansprüche 6 oder 7,
dadurch gekennzeichnet,
dass bei einer Bogenoffsetdruckmaschine mit einem dem Druckwerk (1,2) für Schöndruck vorgeordnetem Widerdruckwerk der Formzylinder (10) hinsichtlich Aufbau und Anordnung der Befestigungsvorrichtungen (15,16) für die beiden Enden der Druckform (10) im wesentlichen identisch ist mit dem Formzylinder (3) des Druckwerkes für Schöndruck (1,2), wobei der Formzylinder (10) im Widerdruckwerk im umgekehrten Drehsinn wie der Zylinder (3) im Schöndruckwerk (1,2) rotiert. - Vorrichtung nach einem der Ansprüche 6 - 8,
dadurch gekennzeichnet,
dass die das Druckende (DE) der Druckform (18) aufnehmende Befestigungsvorrichtung (15) zylinderfest und die den Druckanfang (DA) der Druckform (18) aufnehmende Befestigungsvorrichtung (16) zum Erfassen der Kante der Druckform (18) sowie zum Aufbauen einer Zugkraft (Spannen) beweglich auf den Druckformzylinder (10) eingebracht ist. - Vorrichtung nach Anspruch 6, 8 oder 9,
dadurch gekennzeichnet,
dass der Formzylinder (10) dem Lackwerk einer Bogenoffsetdruckmaschine zugeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19933943A DE19933943A1 (de) | 1999-07-20 | 1999-07-20 | Verfahren und Vorrichtung für den Druckformwechsel |
DE19933943 | 1999-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1070583A1 true EP1070583A1 (de) | 2001-01-24 |
EP1070583B1 EP1070583B1 (de) | 2003-09-17 |
Family
ID=7915385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00113627A Expired - Lifetime EP1070583B1 (de) | 1999-07-20 | 2000-06-28 | Verfahren und Vorrichtung für den Druckformwechsel |
Country Status (5)
Country | Link |
---|---|
US (1) | US6425330B1 (de) |
EP (1) | EP1070583B1 (de) |
JP (1) | JP3375601B2 (de) |
AT (1) | ATE249929T1 (de) |
DE (2) | DE19933943A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052824A1 (de) * | 2004-11-02 | 2006-05-04 | Koenig & Bauer Ag | Verfahren und Vorrichtung zum Zuführen einer Druckplatte |
EP2156954A1 (de) * | 2008-08-23 | 2010-02-24 | Manroland AG | Verfahren zum Betreiben einer Druckmaschine |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10238105A1 (de) | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Druckmaschine mit mindestens einem Druckwerk |
DE102005031163A1 (de) * | 2005-07-04 | 2007-01-18 | Koenig & Bauer Ag | Verfahren und Vorrichtung zum Zu- und/oder Abführen einer Druckplatte auf eine bzw. von einer Auflagefläche eines Druckformzylinders |
DE102007015595B3 (de) * | 2007-03-29 | 2008-04-10 | Man Roland Druckmaschinen Ag | Vorrichtung zum Druckplattenwechsel an einer Verarbeitungsmaschine |
US20080314274A1 (en) * | 2007-06-19 | 2008-12-25 | Cummings Calvin D | Method and apparatus for unloading printing plates |
DE102007036092A1 (de) * | 2007-08-01 | 2009-02-05 | Manroland Ag | Vorrichtung zum Druckplattenwechsel an einer Verarbeitungsmaschine |
DE102007049453A1 (de) * | 2007-10-16 | 2009-04-30 | Manroland Ag | Verfahren und Vorrichtung zum Druckplattenwechsel an einer Verarbeitungsmaschine |
US20100116159A1 (en) * | 2008-11-13 | 2010-05-13 | Larry Hines | Offset Printing Unit with Plate Cylinder Drive |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4338664A1 (de) * | 1993-11-12 | 1995-05-18 | Roland Man Druckmasch | Verfahren und Vorrichtung zum Steuern eines automatisierten Druckplattenwechselvorganges bei Druckmaschinen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3327791C1 (de) * | 1983-08-02 | 1985-03-07 | Roland Man Druckmasch | Verfahren zur Herstellung eines Schoen- und Widerdruckes mit einer von Schoen- auf Schoen- und Widerdruck umstellbaren Bogen-Rotations-Offsetdruckmaschine in Reihenbauweise |
DE3940795A1 (de) * | 1989-12-09 | 1991-06-13 | Koenig & Bauer Ag | Verfahren und einrichtung zum automatischen zufuehren bzw. abfuehren einer druckplatte |
US5213042A (en) * | 1992-02-25 | 1993-05-25 | The Nuventures Foundation | Printing process and apparatus |
DE4215969C2 (de) | 1992-05-18 | 1994-10-13 | Roland Man Druckmasch | Vorrichtung zum Zuführen von Druckplatten auf den Plattenzylinder von Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen |
DE4331430A1 (de) | 1992-09-18 | 1994-03-24 | Koenig & Bauer Ag | Einrichtung zum Zu- und Abführen von Druckplatten |
DE4339344C1 (de) | 1993-11-18 | 1995-03-30 | Roland Man Druckmasch | Vorrichtung für das automatisierte Wechseln von Druckplatten einer Druckmaschine |
US6189452B1 (en) * | 1998-04-30 | 2001-02-20 | Creoscitex Corporation Ltd. | Apparatus for loading and unloading plates to external drum devices having movable clamps |
DE19854845B4 (de) * | 1998-01-30 | 2011-02-24 | Heidelberger Druckmaschinen Ag | Verfahren und Vorrichtung zur automatischen Erfassung von mindestens einer Druckplattenkante |
-
1999
- 1999-07-20 DE DE19933943A patent/DE19933943A1/de not_active Withdrawn
-
2000
- 2000-06-28 DE DE50003702T patent/DE50003702D1/de not_active Expired - Lifetime
- 2000-06-28 EP EP00113627A patent/EP1070583B1/de not_active Expired - Lifetime
- 2000-06-28 AT AT00113627T patent/ATE249929T1/de not_active IP Right Cessation
- 2000-07-05 JP JP2000204269A patent/JP3375601B2/ja not_active Expired - Fee Related
- 2000-07-19 US US09/619,208 patent/US6425330B1/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4338664A1 (de) * | 1993-11-12 | 1995-05-18 | Roland Man Druckmasch | Verfahren und Vorrichtung zum Steuern eines automatisierten Druckplattenwechselvorganges bei Druckmaschinen |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052824A1 (de) * | 2004-11-02 | 2006-05-04 | Koenig & Bauer Ag | Verfahren und Vorrichtung zum Zuführen einer Druckplatte |
EP2156954A1 (de) * | 2008-08-23 | 2010-02-24 | Manroland AG | Verfahren zum Betreiben einer Druckmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE50003702D1 (de) | 2003-10-23 |
EP1070583B1 (de) | 2003-09-17 |
ATE249929T1 (de) | 2003-10-15 |
JP3375601B2 (ja) | 2003-02-10 |
DE19933943A1 (de) | 2001-01-25 |
JP2001038881A (ja) | 2001-02-13 |
US6425330B1 (en) | 2002-07-30 |
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