EP1092538B1 - Transfer drum for sheet-fed printing machines - Google Patents
Transfer drum for sheet-fed printing machines Download PDFInfo
- Publication number
- EP1092538B1 EP1092538B1 EP00120904A EP00120904A EP1092538B1 EP 1092538 B1 EP1092538 B1 EP 1092538B1 EP 00120904 A EP00120904 A EP 00120904A EP 00120904 A EP00120904 A EP 00120904A EP 1092538 B1 EP1092538 B1 EP 1092538B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transfer drum
- sheet
- support
- drum according
- sheets
- 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
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F22/00—Means preventing smudging of machine parts or printed articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
- B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
Definitions
- the invention relates to a transfer drum for sheet-fed printing machines according to the preamble of claim 1.
- Transfer drums In sheet printing machines, the sheets to be printed transported between the printing units by means of transfer drums. To smear the sheets on the printed side To prevent a variety of designs are such Transfer drums became known.
- the transfer drums can for example, be constructed as a cylinder, but here the sheet with the printed side in flat contact with the Cylinder surface comes.
- Transferter designated transfer drums of the printing press R700, R900 from MAN Roland Druckmaschinen AG.
- These bypass drums are essentially constructed as a box, the the outside of the box facing the bow either flat or are concave and / or convex. This External surfaces of the Transferter can be closed or by means of Breakthroughs are designed to be permeable to air.
- transferters are also equipped with blowing and / or suction air bendable guideways in the lower area assigned, which also increases the risk of greasing the printed side of the sheet is minimized. This applies for both very thin and thick substrates (cardboard, Plastic films).
- Transferters Possible designs of the transferters described are from the DE 44 31 114 A1 known.
- the ones shown in this document Transferters have at least two gripper bridges, the evenly distributed around the circumference of the transfer drum are.
- the outer surfaces of these prismatic transferters are formed by levels that are transported to the Arched outer sides can also be concave and / or be convex.
- DE-PS 725 705 is a transfer drum within one Sheet metal printing machine known, the transfer drum two Has gripper bridges.
- This known transfer drum consists essentially of a shaft on which the gripper bridges is attached by means of radially extending support arms. Below the gripper bridge and within the gripper bridge supporting arms are according to the format of the Adjustable sheet metal support disks with conical wings arranged.
- a guide device for rigid materials is known the support disks are mounted on a drum shaft, which conical support surfaces have and carry the sheets over their side edges.
- DE-A-27 08 478 describes a transfer and turning drum for a sheet-fed rotary printing press known.
- the adjustment mechanism for switching fine print on fine and reverse printing here involves an axial displacement of a pulley.
- the object of the present invention is therefore a transfer drum for sheet printing machines according to the preamble of Claim 1 to expand in such a way that a safe and lubrication-free guidance independent of the subject, especially from heavy and rigid substrates.
- the transfer drum between the gripper bridges on the bow facing Outside pages each assigned to the two side edges of the sheets and adjustable to the format width of the sheet as attachable caps designed and the bow by means of conical supporting bodies holding to the arch surface of the wings having.
- This support body designed as trapezoidal sheets are over according to the invention a common central setting device on the format width of the Adjustable bow. This ensures that through a Minimum handling operations on the two side edges of the Trapezoidal sheets assigned to the arc can be optimally adjusted can.
- the central setting device can also be used be scaled so that the setting to the sheet format is simply done on a scale.
- the trapezoidal sheets provided according to the invention with the conical to the arch surface supporting surfaces are at one Drum with two gripper bars on the two opposite ones and the outside of the arches facing the as Assigned box trained transfer drum. It can be provided that a pair of the trapezoidal sheets an adjusting device which adjusts this jointly is. In a further development it can further be provided that the four trapezoidal sheets on the two outer sides of the Transfer drum adjustable via a common adjusting device are.
- the trapezoidal sheets with the conical support surfaces for the Arch edges are on each outer side assigned to the arch surface the transfer drum by means of a straight guide Traverse slidably arranged. On this traverse can mark the sheet format accordingly his.
- the central adjusting device for a pair of trapezoidal sheets as one Adjustment spindle be formed, which has a right-hand thread with one and a left-hand thread with the other Trapezoidal sheet is connected.
- the threaded spindle By turning the threaded spindle are the two trapezoidal sheets towards the center of the machine or moved outwards from the center of the machine. Pressing the Threaded spindle can be operated manually using a tool or a the servomotor attached to the drum body can be controlled remotely.
- the transfer drum 1 shows a transfer drum 1 designed as a box between two impression cylinders 2 two printing units one Sheetfed offset press.
- the transfer drum points between the two gripper bridges 1.1, 1.2 on convex outer sides, which face the sheet to be transported.
- the Side edges of a sheet 4 to be transported are each formed as caps on the A and B sides of the machine Support body 3 assigned, which according to a preferred Embodiment of the invention as trapezoidal sheets (trapezoidal sheets) are trained.
- the support body 3 have a conical shape to the surface of the arch 4 extending support surfaces 5 on which is a sheet 4 to be transported over the side edges can support.
- the support surfaces 5 are preferred made of color-repellent material, especially stainless steel sheet manufactured.
- Fig. 2 shows a plan view of a transfer drum 1, such as this is shown in Figure 1.
- a transfer drum 1 constructed as a box
- Support body 3 with conical to the surface 4 of the arch 4 Support surfaces 5 attached.
- the support body 3 with the support surfaces 5 are adjustable according to the format of the sheet 4.
- Farther is shown in Figure 2 that a by Transfer drum 1 transported sheet over the side edges can support the support body 3 on the support surfaces 5. Consequently can not the printed side of the sheet 4 with the outer sides the box-shaped transfer drum 1 in contact come.
- Figure 3 shows a pair of support bodies according to the invention 3 (trapezoidal sheets) jointly understood setting device.
- This consists of a threaded spindle 6 with a preferably centrally arranged actuating device 7.
- the threaded spindle 6 is on one half via a right-hand thread with a support body 3 and a left-hand thread connected to the other support body 3. Since the legal and Left-hand threads have the same thread pitches a rotation of the threaded spindle 6 via an actuating device 7 to a movement of the two support bodies 3 same way amounts.
- the support body 3 are not shown Guide means (straight guides) on the outside the transfer drum 1 releasably attached.
- the actuating device assigned to the threaded spindle 6 according to FIG. 3 7 can be done manually or with a tool operating facility. According to one embodiment of the Invention, this can be a worm gear. According to one Another embodiment of the invention can be provided that the central actuator 7 a remotely controllable Electric motor is assigned. The actuator 7 can also a further threaded spindle 6 of another Pair of support body 3 may be assigned. Thus, at a transfer drum 1 with two gripper bridges (see Figure 1) all four support bodies 3 by one operation at the same time adjust to the format of sheet 4.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Treatment Of Fiber Materials (AREA)
- Handling Of Cut Paper (AREA)
Abstract
Description
Die Erfindung betrifft eine Umführtrommel für Bogendruckmaschinen
gemäß dem Oberbegriff von Anspruch 1.The invention relates to a transfer drum for sheet-fed printing machines
according to the preamble of
Bei Bogendruckmaschinen werden die zu bedruckenden Bogen mittels Umführtrommeln zwischen den Druckwerken transportiert. Um ein Abschmieren der Bogen an der bedruckten Seite zu verhindern, sind eine Vielzahl von Bauformen derartiger Umführtrommeln bekannt geworden. Die Umführtrommeln können beispielsweise als Zylinder aufgebaut sein, wobei hier jedoch der Bogen mit der bedruckten Seite flächig in Kontakt mit der Zylinderoberfläche kommt.In sheet printing machines, the sheets to be printed transported between the printing units by means of transfer drums. To smear the sheets on the printed side To prevent a variety of designs are such Transfer drums became known. The transfer drums can for example, be constructed as a cylinder, but here the sheet with the printed side in flat contact with the Cylinder surface comes.
Weitere typische Bauformen für Umführtrommeln sind die als Transferter bezeichneten Umführtrommeln der Druckmaschinen R700, R900 der MAN Roland Druckmaschinen AG. Diese Umführtrommeln sind im wesentlichen als Kasten aufgebaut, wobei die den Bogen zugewandten Außenseiten des Kastens entweder eben bzw. konkav und/oder konvex gewölbt ausgebildet sind. Diese Außenflächen der Transferter können geschlossen oder mittels Durchbrüchen luftdurchlässig gestaltet sein.Other typical designs for transfer drums are as Transferter designated transfer drums of the printing press R700, R900 from MAN Roland Druckmaschinen AG. These bypass drums are essentially constructed as a box, the the outside of the box facing the bow either flat or are concave and / or convex. This External surfaces of the Transferter can be closed or by means of Breakthroughs are designed to be permeable to air.
Diesen Transfertern sind zusätzlich mit Blas- und/oder Saugluft beaufschlagbare Bogenleitbahnen im unteren Bereich zugeordnet, wodurch zusätzlich die Gefahr des Abschmierens der bedruckten Seite des Bogens minimiert wird. Dies gilt sowohl für sehr dünne als auch für dicke Bedruckstoffe (Karton, Kunststofffolien).These transferters are also equipped with blowing and / or suction air bendable guideways in the lower area assigned, which also increases the risk of greasing the printed side of the sheet is minimized. this applies for both very thin and thick substrates (cardboard, Plastic films).
Mögliche Bauformen der beschriebenen Transferter sind aus der DE 44 31 114 A1 bekannt. Die in dieser Schrift gezeigten Transferter weisen wenigstens zwei Greiferbrücken auf, die gleichmäßig am Umfang der Umführtrommel verteilt angeordnet sind. Die Außenflächen dieser prismatisch aufgebauten Transferter sind durch Ebenen gebildet, die zu den transportierten Bogen gewandten Außenseiten können jedoch auch konkav und/oder konvex gewölbt ausgebildet sein.Possible designs of the transferters described are from the DE 44 31 114 A1 known. The ones shown in this document Transferters have at least two gripper bridges, the evenly distributed around the circumference of the transfer drum are. The outer surfaces of these prismatic transferters are formed by levels that are transported to the Arched outer sides can also be concave and / or be convex.
Bei sehr biegesteifen Bedruckstoffen (Schwerkarton, Wellpappe) besteht jedoch die Gefahr, dass gerade das Ende des Bogens nach dem Passieren des letzten Druckspaltes sowie nach Übergabe an den nächsten Gegendruckzylinder an der Außenfläche des Transferters (der Umführtrommel) anschlägt und es so zum Abschmieren kommt.For very rigid substrates (heavy cardboard, corrugated cardboard) however, there is a risk that the very end of the After passing the last pressure nip as well as after Transfer to the next impression cylinder on the outer surface of the transferter (the transfer drum) and so comes to smear.
Aus diesem Grunde ist es bekannt, die zuvorstehend beschriebenen Umführtrommeln mittels als Kappen bzw. Bügeln ausgebildeten Bogenführungen zu versehen. Diese Trommelkappen bzw. Bügel sind aus farbabstossendem Material gefertigt, so dass sich der Bogen insbesondere mit nicht druckenden Stellen abstützten kann. Ein sinnvoller Einsatz derartiger Einrichtungen ist jedoch nur dann möglich, wenn der Druckbogen entsprechende farbfreie Stellen im Sujet aufweist. Gerade schwere und biegesteife Bedruckstoffe, wenn auch weitestgehend vollflächig bedruckt, erschweren jedoch die Verwendung derartiger Einrichtungen bzw. machen den Einsatz derartiger Einrichtungen gar unmöglich. Beim Einsatz von Bedruckstoffen mit hohem Flächengewicht kann es ferner auch zur Beschädigung der Oberfläche im nicht bedruckten Bereich kommen. Auch dadurch wird Makulatur verursacht.For this reason, it is known to those described above Transfer drums by means of caps or brackets To provide bow guides. These drum caps or Temples are made of color-repellent material, so that the sheet in particular with non-printing areas can support. A sensible use of such facilities is only possible if the printed sheet has corresponding color-free spots in the subject. Just heavy and rigid substrates, albeit largely printed over the entire surface, however, make use more difficult such facilities or make the use of such Facilities impossible. When using substrates with a high basis weight it can also cause damage the surface in the unprinted area. Also this causes waste.
Die DE 41 11 262 C1 beschreibt eine Bogenführung an Bogenführungstrommeln von Bogendruckmaschinen, bei welcher der zu transportierende Bogen durch zwei den Kanten des Bogens zugeordnete und diesen an konischen Stützflächen tragende Stützscheiben gehalten wird. Die als Kegelradsegmente ausgebildeten Stützscheiben sind entsprechend dem Bogenformat auf der Achse der Trommel einstellbar montiert. Diese vorbekannte Bogenführungstrommel weist lediglich eine Greiferbrücke auf, d.h. die Trommel dreht eintourig.DE 41 11 262 C1 describes a sheet guide on sheet guide drums of sheet-fed printing machines, in which the to transporting arch through two the edges of the arch assigned and bearing these on conical support surfaces Support discs is held. The trained as bevel gear segments Support washers are based on the arch format the axis of the drum mounted adjustable. This previously known Sheet guide drum only has a gripper bridge, i.e. the drum turns one-speed.
Aus der DE-PS 725 705 ist eine Umführtrommel innerhalb einer Blechdruckmaschine bekannt, wobei die Umführtrommel zwei Greiferbrücken aufweist. Diese vorbekannte Umführtrommel besteht im wesentlichen aus einer Welle, an der die Greiferbrücken mittels radial verlaufenden Tragarmen befestigt ist. Unterhalb der Greiferbrücke und innerhalb der die Greiferbrücke tragenden Tragarme sind entsprechend dem Format der Blechtafeln verstellbar Stützscheiben mit konischen Tragflächen angeordnet.From DE-PS 725 705 is a transfer drum within one Sheet metal printing machine known, the transfer drum two Has gripper bridges. This known transfer drum consists essentially of a shaft on which the gripper bridges is attached by means of radially extending support arms. Below the gripper bridge and within the gripper bridge supporting arms are according to the format of the Adjustable sheet metal support disks with conical wings arranged.
Auch im Falle der letztgenannten Schrift sind die auf den Kantenbereich des Bogens einwirkenden Stützkörper als Scheiben ausgebildet, so dass eine derartige Bogenführungseinrichtung bei einer wie in der DE 44 31 114 A1 beschriebenen Umführtrommel mit zwei oder mehreren Greiferbrücken nicht verwendbar ist. Um gerade bei schnelldrehenden Bogendruckmaschinen eine passgerechte Bogenübergabe zu erzielen, müssen die Umführtrommeln eine ausreichend große Stabilität aufweisen, so dass entsprechend groß gestaltete und derartige Scheiben aufnehmende Durchbrüche durch den Trommelkörper nicht möglich sind.Even in the case of the last-mentioned document, the are on the Edge area of the arch acting support body as disks formed so that such a sheet guiding device in one as described in DE 44 31 114 A1 Transfer drum with two or more gripper bars is not is usable. Especially with fast-moving sheet-fed printing machines to achieve a suitable sheet transfer the transfer drums are sufficiently stable, so appropriately sized and such Disc-receiving openings through the drum body are not possible.
Aus der DD-A-258 400 ist eine Leiteinrichtung für biegesteife Materialien bekannt, bei der Stützscheiben auf einer Trommelwelle angebracht sind, welche konische Stützflächen aufweisen und die Bogen über deren Seitenkanten tragen.From DD-A-258 400 a guide device for rigid materials is known the support disks are mounted on a drum shaft, which conical support surfaces have and carry the sheets over their side edges.
Aus DE-A-36 02 084 ist eine Bogenüberführtrommel zwischen den Druckwerken von Rotationsdruckmaschinen bekannt, bei welcher zwischen den Greiferreihen Leitflächen vorgesehen sind, die zum Trommelumfang im Wesentlichen als Sekante verlaufen. Diese Leitflächen wirken gegebenenfalls mit der nachlaufenden Kante eines Bogens zusammen.From DE-A-36 02 084 is a sheet transfer drum between the printing units of Rotary printing machines are known, in which guide surfaces between the gripper rows are provided, which run essentially as a secant to the circumference of the drum. This Baffles may interact with the trailing edge of an arch.
Aus der DE-A-27 08 478 ist eine Übergabe- und Wendetrommel für eine Bogenrotationsdruckmaschine bekannt. Der Verstellmechanismus zum Umschalten von Schöndruck auf Schön- und Widerdruck umfasst hier eine axiale Verschiebung einer Rillenscheibe.DE-A-27 08 478 describes a transfer and turning drum for a sheet-fed rotary printing press known. The adjustment mechanism for switching fine print on fine and reverse printing here involves an axial displacement of a pulley.
Aufgabe der vorliegenden Erfindung ist es daher, eine Umführtrommel
für Bogendruckmaschinen gemäß dem Oberbegriff von
Anspruch 1 derartig zu erweitern, so dass eine sichere und
vom Sujet unabhängige abschmierfreie Führung gerade von
schweren und biegesteifen Bedruckstoffen möglich ist.The object of the present invention is therefore a transfer drum
for sheet printing machines according to the preamble of
Gelöst wird diese Aufgabe durch die kennzeichnenden Merkmale
von Anspruch 1. Weiterbildungen der Erfindung ergeben sich
aus den Unteransprüchen. This task is solved by the characteristic features
of
Gemäß der Erfindung ist vorgesehen, dass die Umführtrommel zwischen den Greiferbrücken an den den Bogen zugewandten Außenseiten jeweils den beiden Seitenkanten der Bogen zugeordnete und auf die Formatbreite des Bogens einstellbare, als aufsetzbare Kappen ausgebildete und den Bogen mittels konisch zur Bogenfläche verlaufender Tragflächen haltende Stützkörper aufweist. Diese als Trapezbleche ausgebildeten Stützkörper sind gemäß der Erfindung über eine gemeinsame zentrale Einstellvorrichtung auf die Formatbreite des Bogens justierbar. So ist gewährleistet, dass durch ein Minimum an Handhabungen die den beiden Seitenkanten des Bogens zugeordneten Trapezbleche optimal eingestellt werden können. Die zentrale Einstellvorrichtung kann zusätzlich mit einer Skalierung versehen sein, so dass die Einstellung auf das Bogenformat einfach über eine Skala erfolgt.According to the invention it is provided that the transfer drum between the gripper bridges on the bow facing Outside pages each assigned to the two side edges of the sheets and adjustable to the format width of the sheet as attachable caps designed and the bow by means of conical supporting bodies holding to the arch surface of the wings having. This support body designed as trapezoidal sheets are over according to the invention a common central setting device on the format width of the Adjustable bow. This ensures that through a Minimum handling operations on the two side edges of the Trapezoidal sheets assigned to the arc can be optimally adjusted can. The central setting device can also be used be scaled so that the setting to the sheet format is simply done on a scale.
Die erfindungsgemäß vorgesehenen Trapezbleche mit den konisch zur Bogenfläche verlaufenden Stützflächen sind bei einer Trommel mit zwei Greiferbrücken an den beiden gegenüberliegenden und den Bogenflächen zugewandten Außenseiten der als Kasten ausgebildeten Umführtrommel zugeordnet. Dabei kann vorgesehen sein, dass jeweils einem Paar der Trapezbleche eine diese gemeinsam verstellende Einstellvorrichtung zugeordnet ist. Weiterbildend kann ferner vorgesehen sein, dass die insgesamt vier Trapezbleche an den beiden Außenseiten der Umführtrommel über eine gemeinsame Stellvorrichtung einstellbar sind.The trapezoidal sheets provided according to the invention with the conical to the arch surface supporting surfaces are at one Drum with two gripper bars on the two opposite ones and the outside of the arches facing the as Assigned box trained transfer drum. It can be provided that a pair of the trapezoidal sheets an adjusting device which adjusts this jointly is. In a further development it can further be provided that the four trapezoidal sheets on the two outer sides of the Transfer drum adjustable via a common adjusting device are.
Die Trapezbleche mit den konischen Stützflächen für die Bogenkanten sind an jeder zur Bogenfläche zugeordneten Außenseite der Umführtrommel mittels einer als Geradführung ausgebildeten Traverse verschiebbar angeordnet. An dieser Traverse können dem Bogenformat entsprechende Markierungen angebracht sein.The trapezoidal sheets with the conical support surfaces for the Arch edges are on each outer side assigned to the arch surface the transfer drum by means of a straight guide Traverse slidably arranged. On this traverse can mark the sheet format accordingly his.
Als zentrale Stellvorrichtung für jeweils ein Paar oder sämtliche Trapezbleche an einer Umführtrommel kommen eine Vielzahl von Mechanismen in Betracht. Insbesondere kann die zentrale Stellvorrichtung für ein Paar Trapezbleche als eine Stellspindel ausgebildet sein, welche über ein Rechtsgewinde mit dem einen und über ein Linksgewinde mit dem anderen Trapezblech verbunden ist. Durch Verdrehen der Gewindespindel werden so die beiden Trapezbleche zur Maschinenmitte hin bzw. von der Maschinenmitte nach außen bewegt. Das Betätigen der Gewindespindel kann manuell über ein Werkzeug oder über einen am Trommelkörper angebrachten Stellmotor fernsteuerbar erfolgen.As a central adjusting device for one pair or all trapezoidal sheets on a transfer drum come one Variety of mechanisms under consideration. In particular, the central adjusting device for a pair of trapezoidal sheets as one Adjustment spindle be formed, which has a right-hand thread with one and a left-hand thread with the other Trapezoidal sheet is connected. By turning the threaded spindle are the two trapezoidal sheets towards the center of the machine or moved outwards from the center of the machine. Pressing the Threaded spindle can be operated manually using a tool or a the servomotor attached to the drum body can be controlled remotely.
Des weiteren erfolgt die Erläuterung eines Ausführungsbeispiels der Erfindung anhand der Zeichnung.Furthermore, an exemplary embodiment is explained the invention with reference to the drawing.
Es zeigt:
- Fig. 1
- eine Umführtrommel gemäß der Erfindung zwischen zwei Druckwerken,
- Fig. 2
- eine Draufsicht auf die Umführtrommel
gemäß
Figur 1 mit der erfindungsgemäßen Bogenführungseinrichtung, und - Fig. 3
- eine zentrale Einstellvorrichtung für ein Paar der erfindungsgemäßen Stützkörper.
- Fig. 1
- a transfer drum according to the invention between two printing units,
- Fig. 2
- a plan view of the transfer drum according to Figure 1 with the sheet guide device according to the invention, and
- Fig. 3
- a central adjustment device for a pair of the support body according to the invention.
Fig. 1 zeigt eine als Kasten ausgebildete Umführtrommel 1
zwischen zwei Gegendruckzylindern 2 zweier Druckwerke einer
Bogenoffsetdruckmaschine. Die Umführtrommel weist zwischen
den beiden Greiferbrücken 1.1, 1.2 konvexe Außenseiten auf,
welche den zu transportierenden Bogen zugewandt sind. Den
Seitenkanten eines zu transportierenden Bogens 4 sind jeweils
an der A- und B-Seite der Maschine als Kappen ausgebildete
Stützkörper 3 zugeordnet, welche gemäß einer bevorzugten
Ausführungsform der Erfindung als trapezförmige Bleche (Trapezbleche)
ausgebildet sind. Die Stützkörper 3 weisen konisch
zur Fläche des Bogens 4 verlaufende Stützflächen 5 auf, an
denen sich ein zu transportierender Bogen 4 über die Seitenkanten
abstützen kann. Die Stützflächen 5 sind vorzugsweise
aus farbabstoßendem Material, insbesondere Edelstahlblech
gefertigt.1 shows a
Fig. 2 zeigt eine Draufsicht auf eine Umführtrommel 1, wie
diese in Figur 1 gezeigt ist. An den beiden Außenseiten der
als Kasten aufgebauten Umführtrommel 1 sind jeweils ein Paar
Stützkörper 3 mit konisch zur Fläche 4 des Bogens 4 verlaufenden
Stützflächen 5 befestigt. Durch die Doppelpfeile ist
angedeutet, dass die Stützkörper 3 mit den Stützflächen 5
entsprechend dem Format des Bogens 4 einstellbar sind. Weiterhin
ist in Figur 2 dargestellt, dass sich ein durch die
Umführtrommel 1 transportierter Bogen über die Seitenkanten
an den Stützflächen 5 der Stützkörper 3 abstützen kann. Somit
kann die bedruckte Seite des Bogens 4 nicht mit den Außenseiten
der kastenförmig aufgebauten Umführtrommel 1 in Kontakt
kommen. Fig. 2 shows a plan view of a
Figur 3 zeigt erfindungsgemäß eine ein Paar Stützkörper
3 (Trapezbleche) gemeinsam verstehende Einstellvorrichtung.
Diese besteht aus einer Gewindespindel 6 mit einer
vorzugsweise mittig angeordneten Betätigungseinrichtung 7.
Die Gewindespindel 6 ist an der einen Hälfte über ein Rechtsgewinde
mit dem einen Stützkörper 3 und über ein Linksgewinde
mit dem anderen Stützkörper 3 verbunden. Da das Rechts- und
Linksgewinde gleiche Gewindungssteigungen aufweisen, führt
ein Verdrehen der Gewindespindel 6 über eine Betätigungseinrichtung
7 zu einer Bewegung der beiden Stützkörper 3 um
gleiche Wegbeträge. Die Stützkörper 3 sind über nicht dargestellte
Führungsmittel (Geradführungen) an den Außenseiten
der Umführtrommel 1 lösbar befestigt.Figure 3 shows a pair of support bodies according to the invention
3 (trapezoidal sheets) jointly understood setting device.
This consists of a threaded
Die der Gewindespindel 6 gemäß Figur 3 zugeordnete Betätigungseinrichtung
7 kann eine manuell bzw. mit Werkzeug zu
bedienende Einrichtung sein. Gemäß einer Ausführungsform der
Erfindung kann dies ein Schneckentrieb sein. Gemäß einer
weiteren Ausführungsform der Erfindung kann vorgesehen sein,
dass der zentralen Betätigungseinrichtung 7 ein fernansteuerbar
Elektromotor zugeordnet ist. Die Betätigungseinrichtung 7
kann auch einer weiteren Gewindespindel 6 eines weiteren
Paares Stützkörper 3 zugeordnet sein. Somit lassen sich bei
einer Umführtrommel 1 mit zwei Greiferbrücken (siehe Figur 1)
alle vier Stützkörper 3 durch eine Bedienhandlung gleichzeitig
auf das Format der Bogen 4 einstellen. The actuating device assigned to the threaded
- 11
- Umführtrommeltransfer drum
- 1.11.1
- Greiferbrückegripper
- 1.21.2
- Greiferbrückegripper
- 22
- GegendruckzylinderImpression cylinder
- 33
- Stützkörper (Trapezblech)Supporting body (trapezoidal sheet)
- 44
- Bogenarc
- 55
- Stützfläche (Stützkörper 3)Support surface (support body 3)
- 66
- Gewindespindelscrew
- 77
- Betätigungseinrichtungactuator
Claims (7)
- Transfer drum for sheet printing presses, wherein the transfer drum (1) has at least two gripper bridges (1.1, 1.2) evenly distributed around the periphery and on the transfer drum (1) are releasably fixed between two neighbouring gripper bridges (1.1, 1.2) in each case a pair of support bodies (3) adjustable corresponding to the format of the sheets (4) to be transported, which have support surfaces (5) running conically relative to the surface of the sheets (4) to be transported and cooperating with the side edges of the sheet (4), characterised in that the transfer drum (1) between in each case neighbouring gripper bridges (1.1, 1.2) has exterior sides formed of flat and/or convex, and/or concave surfaces, that the support bodies (3) are constructed with the support surfaces (5) as angled sheets and that, in each case, a pair of support bodies (3) is fitted to a common adjustment device (6, 7).
- Transfer drum according to Claim 1, characterised in that the support bodies (3) are fitted to a cross-member constructed as a straight line guide.
- Transfer drum according to Claim 1, characterised in that the adjusting device is constructed as a threaded spindle (6).
- Transfer drum according to Claim 3, characterised in that the threaded spindle (6) is connected with one end via a left and with the other end via a right hand thread with the respective support body (3).
- Transfer drum according to one of the preceding Claims, characterised in that an actuation device (7) is fitted to the common adjustment device.
- Transfer drum according to Claim 5, characterised in that the actuation unit (7) can be actuated manually or by means of a tool.
- Transfer drum according to Claim 5, characterised in that the actuation device (7) has a remotely controllable motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29918309U DE29918309U1 (en) | 1999-10-16 | 1999-10-16 | Transfer drum for sheet printing machines |
| DE29918309U | 1999-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1092538A1 EP1092538A1 (en) | 2001-04-18 |
| EP1092538B1 true EP1092538B1 (en) | 2003-03-19 |
Family
ID=8080406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00120904A Expired - Lifetime EP1092538B1 (en) | 1999-10-16 | 2000-09-26 | Transfer drum for sheet-fed printing machines |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1092538B1 (en) |
| JP (1) | JP3416109B2 (en) |
| AT (1) | ATE234729T1 (en) |
| DE (2) | DE29918309U1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10222060B4 (en) * | 2002-05-17 | 2006-06-29 | Koenig & Bauer Ag | Sheet guiding drum in a printing press and sheet-fed press |
| JP4928871B2 (en) * | 2006-08-22 | 2012-05-09 | リョービ株式会社 | Transfer cylinder for sheet-fed printing press |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE725705C (en) * | 1941-01-25 | 1942-09-28 | Willy Mailaender | Rotary rubber printing machine for multi-colored printing of metal sheets |
| DE2708478C3 (en) * | 1977-02-26 | 1981-11-12 | Koenig & Bauer AG, 8700 Würzburg | Transfer and turning drum for a sheet-fed rotary printing press |
| DE3602084A1 (en) * | 1986-01-24 | 1987-07-30 | Heidelberger Druckmasch Ag | BOW TRANSFER DRUM BETWEEN THE PRINTING UNITS OF ROTATIONAL PRINTING MACHINES |
| DD258400A1 (en) * | 1987-03-16 | 1988-07-20 | Polygraph Leipzig | LEADING DEVICE FOR BENDING MATERIALS |
| DE4111262C1 (en) * | 1991-04-08 | 1992-06-25 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
| DE4431114C2 (en) * | 1994-09-01 | 1999-11-18 | Roland Man Druckmasch | Sheet-guiding drum body for a printing machine |
-
1999
- 1999-10-16 DE DE29918309U patent/DE29918309U1/en not_active Expired - Lifetime
-
2000
- 2000-09-26 EP EP00120904A patent/EP1092538B1/en not_active Expired - Lifetime
- 2000-09-26 AT AT00120904T patent/ATE234729T1/en not_active IP Right Cessation
- 2000-09-26 DE DE50001480T patent/DE50001480D1/en not_active Expired - Lifetime
- 2000-10-16 JP JP2000315779A patent/JP3416109B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001150637A (en) | 2001-06-05 |
| DE50001480D1 (en) | 2003-04-24 |
| DE29918309U1 (en) | 1999-12-23 |
| JP3416109B2 (en) | 2003-06-16 |
| ATE234729T1 (en) | 2003-04-15 |
| EP1092538A1 (en) | 2001-04-18 |
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