EP1129849B1 - Endless-chain sheet feeder - Google Patents

Endless-chain sheet feeder Download PDF

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Publication number
EP1129849B1
EP1129849B1 EP01102438A EP01102438A EP1129849B1 EP 1129849 B1 EP1129849 B1 EP 1129849B1 EP 01102438 A EP01102438 A EP 01102438A EP 01102438 A EP01102438 A EP 01102438A EP 1129849 B1 EP1129849 B1 EP 1129849B1
Authority
EP
European Patent Office
Prior art keywords
sheet
printing
delivery unit
chain circle
gripper
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
Application number
EP01102438A
Other languages
German (de)
French (fr)
Other versions
EP1129849A3 (en
EP1129849A2 (en
Inventor
Hans-Bernhard Dr. Bolza-Schünemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP1129849A2 publication Critical patent/EP1129849A2/en
Publication of EP1129849A3 publication Critical patent/EP1129849A3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B41F23/0443—Drying sheets, e.g. between two printing stations after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/517—Drying material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a chain circle sheet delivery of a printing press.
  • delivery extensions are usual (DE 296 16 235), which expediently contain at least one drying device.
  • a Bogenoffsetrotationsdruckmaschine which comprises a chain circle sheet delivery, the chain gripper systems depending on a respective one of two possible modes, take over the sheet either from a printing cylinder or another printing cylinder.
  • the chain gripper systems transport the sheets into the chain gripper arm and place them in the area of a delivery pile.
  • DE-A 197 20 746 discloses a printing machine whose printing cylinder has a threefold diameter, which is in operative connection with a double-sized offset cylinder, wherein two transfer drums are arranged between the impression cylinder and a sheet delivery.
  • the disadvantage here is that the delivery extension significantly increases the overall machine length of the printing press.
  • the object of the invention is to provide a sheet delivery with an extended drying section without extending the overall machine.
  • a chain circle sheet delivery 1 is shown schematically with a upstream printing machine 2.
  • the printing machine 2 includes a printing cylinder 3 with three printing surfaces 4.1; 4.2; 4.3 and three gripper systems 5.1; 5.2; 5.3.
  • the printing cylinder 3 are two printing units 6; 7 assigned, which are the same structure.
  • Each printing unit 6; 7 consists of an offset cylinder 8, a printing form cylinder 9 and two each printing form cylinder associated inking units 10.1 and 10.2.
  • the offset cylinder 8 and the plate cylinder 9 each have two active surfaces 8.1 and 8.2 or 9.1 and 9.2.
  • Each printing forme cylinder 9 is assigned a device for the image 10.
  • the printing cylinder 3 cooperates with a sheet feeder, not shown, which feeds only every second gripper system 5 a sheet to be printed.
  • the sheet delivery consists of a chain circle sheet delivery 1 and two delivery drums 11; 12. It is also possible the Ketten Vietnamese sheet delivery 1 the print cylinder 3 directly nachordnen.
  • the chain circle sheet delivery 1 contains two guide wheels 13; 14 and a guided over the pulleys chain circle 15. At the chain circle 15 delivery gripper 16 are arranged. The distance from one delivery gripper to the next delivery gripper corresponds at least to the circumferential amount of an effective surface 9.1 or 9.2 of the plate cylinder 9.
  • the chain circuit 15 is equipped with an odd number of delivery grippers 16. Below the chain circle sheet delivery 1, a sheet stack 17 is arranged.
  • the upper run 18 of the chain circle 15 Tragluftdüsen 19 and the chain circle 15 at least one drying device 20 are assigned.
  • a first control element 21 is arranged for actuating the display gripper 16 in the transfer area.
  • a second control element 22 for actuating the delivery gripper 16 in the sheet storage area is arranged above the sheet stack 17.
  • the described printing machine is a system in which a two-fold circulation of the printing cylinder is necessary for printing a sheet with four colors by means of two printing units.
  • a two-fold circulation of the printing cylinder is necessary for printing a sheet with four colors by means of two printing units.
  • only every second gripper system of the printing cylinder is fed to a sheet to be printed and only every other Gripper system a printed sheet removed.
  • the following description refers to the current cylinder position shown in Fig. 1.
  • the second sheet 24, which is fed by the sheet feeder, not shown, to the second gripper system 5.2 of the printing cylinder 3 and resting on the second printing surface 4.2 is printed by the second printing unit 7 and first printing unit 6, with the sheet to be printed each having a first effective area 8.1 of the offset cylinder 8 in operative connection.
  • From the first gripper system 5.1 a printed already with two colors first sheet 23 is performed.
  • the third sheet 25 was already printed in the first round of the printing cylinder 3 with two colors and the second round with the third and fourth color and is now transferred to the first delivery drum 11.
  • the fourth sheet 26 is transferred from the delivery drum 12 to the first delivery gripper 16.1.
  • the first delivery gripper 16.1 is opened and closed by the first control system 21.
  • this fourth sheet 26 reaches the area above the sheet stack 17 during further movement of the printing machine after passing through the drying device 20, the area above the sheet stack 17 is not opened by the second control element 22, ie the fourth sheet 26 becomes not stored on the sheet pile 17.
  • the fourth sheet 26 passes the tangent point second delivery drum 12 / chain circle 15, the first control element 21 not opening the first delivery gripper 16.1.
  • the fourth sheet 26 for the second time passes the drying device 20 and reaches the area above the sheet stack 17.
  • the second control element 22 is activated, the first delivery gripper 16.1 is opened and the fourth sheet 26 is stored.
  • the fifth sheet 27 held by the second delivery gripper 16.2 and the sixth sheet 28 held by the fourth delivery gripper 16.4 and the seventh sheet 29 held by the seventh delivery gripper 16.7 are on the second circulation round.
  • the third delivery gripper 16.3 transports no sheet
  • the sixth delivery gripper 16.6 transports the eighth sheet 30, which is on the first round of circulation
  • the fifth delivery gripper 16.5 has just been opened by the second control element 22 and the ninth sheet 31 is deposited on the stack of sheets.
  • the chain circle sheet delivery 1 shown in FIG. 2 is constructed almost analogously to the chain circle sheet delivery 1 shown in FIG. It is different that an even number of delivery grippers 16 is present and the chain circle 15 is associated with a storage drum 32.
  • the operation of the chain-circle sheet delivery with storage drum shown in Fig. 2 will be described below, the analogous already described in Fig. 1 operations are omitted.
  • the fourth sheet 2 is passed from the delivery drum 12 to the first delivery gripper 16.1.
  • the first delivery gripper 16.1 is opened and closed by the first control system 21.
  • this fourth sheet 26 reaches the area above the sheet stack 17 during further movement of the printing machine after passing through the drying device 20, the area above the sheet stack 17 is not opened by the second control element 22, ie the fourth sheet 26 becomes not stored on the sheet pile 17.
  • the fourth sheet 26 is transferred from the first delivery gripper 16.1 to the gripper 33 of the storage drum 32 and the further movement of the gripper 33 to the subsequent delivery gripper 16.3, ie there is a bow offset to one Delivery gripper instead.
  • the fourth sheet 26 passes the tangent point second delivery drum 12 / chain circle 15, the first control element 21 not opening the third delivery gripper 16.3.
  • the fourth sheet 26 for the second time passes the drying device 20 and reaches the area above the sheet stack 17.
  • the second control element 22 is activated, the third delivery gripper 16.3 is opened and the fourth sheet deposited.
  • the sheet 28 held by the fourth delivery gripper 16.4 and the seventh delivery sheet 29 held by the seventh delivery gripper 16.7 are located on the second circulation loop.
  • the third delivery gripper 16.3 and the fifth delivery gripper 16.5 do not transport a bow and the sixth delivery gripper 16.6 transports the eighth sheet 30, which is on the first round of circulation.
  • the storage drum 32 can be arranged at any desired location on the upper run of the chain circle 15.
  • the storage drum 32 may be formed as a dryer storage drum. In this case, the storage drum is associated with a dryer 34.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Discharge By Other Means (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The printer (2) has a printer cylinder (3) possessing an odd number of printing surfaces (4.1,4.2,4.3) and gripper systems (5.1,5.2,5.3). The printing forme cylinder (9) has a number of printing surfaces reduced by one and a corresponding number of active surfaces (8.1,8.2). The circular chain sheet delivery (1) has an odd number of delivery grippers (16) spaced apart by an amount equal to or greater than the peripheral length of an active surface (9.1,9.2) belonging to the printing forme cylinder. The delivery grippers have controls (21,22)

Description

Die Erfindung betrifft eine Kettenkreis-Bogenauslage einer Druckmaschine.The invention relates to a chain circle sheet delivery of a printing press.

Es ist eine Druckmaschine mit einer Kettenkreis-Bogenauslage bekannt (US 54 69 787), bei der der Druckzylinder eine ungerade Anzahl Druckflächen und Greiferreihen und der Gummi- und Druckformzylinder jeweils eine Anzahl von Wirkflächen aufweist, die der um die Zahl Eins verminderten Anzahl der Druckflächen entspricht. Für das Bedrucken von Bogen mit beispielsweise vier Farben sind zwei Bogenumläufe notwendig, wobei nur jeder zweiten Druckfläche ein zu bedruckender Bogen zugeführt und von jeder zweiten Druckfläche ein bedruckter Bogen abgeführt wird. Die Kettenkreis-Bogenauslage ist mit einer geraden Anzahl von Greifersystemen ausgestattet und der Abstand von Greifersystem zu Greifersystem entspricht in etwa dem Umfang des Druckformzylinders mit zwei Wirkflächen.It is a printing machine with a chain-circle sheet delivery known (US 54 69 787), in which the printing cylinder has an odd number of printing surfaces and rows of grippers and the rubber and printing form cylinder each having a number of active surfaces, the reduced by the number one number of pressure surfaces equivalent. For printing on sheets with, for example, four colors, two sheet circulations are necessary, with only every second printing surface being fed a sheet to be printed, and a printed sheet being removed from every other printing surface. The chain circle sheet delivery is equipped with an even number of gripper systems and the distance from gripper system to gripper system corresponds approximately to the circumference of the printing forme cylinder with two active surfaces.

Sind Druckmaschinen mit Lackiereinrichtungen ausgestattet, muss der Bogenweg in der Bogenauslage verlängert werden, um die Trocknung zu gewährleisten, dazu sind so genannte Auslageverlängerungen üblich (DE 296 16 235), die zweckmäßigerweise mindestens eine Trockeneinrichtung enthalten.If printing machines are equipped with painting equipment, the sheet path in the sheet delivery must be extended in order to ensure drying, so-called delivery extensions are usual (DE 296 16 235), which expediently contain at least one drying device.

Weiterhin ist aus der WO-A 97/03831 eine Bogenoffsetrotationsdruckmaschine bekannt, die eine Kettenkreis-Bogenauslage umfasst, deren Kettengreifersysteme abhängig von einer jeweiligen von zwei möglichen Betriebsarten, die Bogen entweder von einem Druckzylinder oder einem weitern Druckzylinder übernehmen. Die Kettengreifersysteme transportieren die Bogen in den Kettengreiferausleger und legen sie im Bereich eines Auslegerstapels ab.Furthermore, from WO-A 97/03831 a Bogenoffsetrotationsdruckmaschine is known which comprises a chain circle sheet delivery, the chain gripper systems depending on a respective one of two possible modes, take over the sheet either from a printing cylinder or another printing cylinder. The chain gripper systems transport the sheets into the chain gripper arm and place them in the area of a delivery pile.

Die DE-A 197 20 746 offenbart eine Druckmaschine deren Druckzylinder einen dreifachgroßen Durchmesser aufweist, der mit einem doppeltgroßen Offsetzylinder in Wirkverbindung steht, wobei zwischen dem Druckzylinder und einem Bogenausleger zwei Übergabetrommeln angeordnet sind.DE-A 197 20 746 discloses a printing machine whose printing cylinder has a threefold diameter, which is in operative connection with a double-sized offset cylinder, wherein two transfer drums are arranged between the impression cylinder and a sheet delivery.

Aus der EP-A 183 928 ist ein Kettenausleger für eine Mehrfarbendruckmaschine bekannt, dessen unterem Kettentrum längs einer Führungsfläche angeordnete, mit Strömungskanälen verbundene Luftdüsen zugeordnet sind.From EP-A 183 928 a chain boom for a multi-color printing machine is known, the lower chain center along a guide surface arranged, associated with flow channels air nozzles are assigned.

Nachteilig ist dabei, dass die Auslageverlängerung die Gesamtmaschinenlänge der Druckmaschine erheblich vergrößert.The disadvantage here is that the delivery extension significantly increases the overall machine length of the printing press.

Aufgabe der Erfindung ist die Schaffung einer Bogenauslage mit einer verlängerten Trockenstrecke ohne Verlängerung der Gesamtmaschine.The object of the invention is to provide a sheet delivery with an extended drying section without extending the overall machine.

Erfindungsgemäß wird die Aufgabe durch die Patentansprüche 1 und 2 gelöst, zweckmäßige Ausgestaltungen sind in den Unteransprüchen offenbart.According to the invention the object is achieved by the claims 1 and 2, expedient embodiments are disclosed in the subclaims.

Nachfolgend wird die erfinderische Lösung an einem Ausführungsbeispiel näher beschrieben.
In den Zeichnungen zeigt

Fig. 1
Kettenkreis-Bogenauslage mit ungerader Anzahl von Auslagegreifern
Fig. 2
Kettenkreis-Bogenauslage mit gerader Anzahl von Auslagegreifern und Speichertrommel.
The inventive solution to an embodiment will be described in more detail below.
In the drawings shows
Fig. 1
Chain circle sheet delivery with odd number of delivery grippers
Fig. 2
Chain circle sheet delivery with even number of delivery grippers and storage drum.

In Fig. 1 ist eine Kettenkreis-Bogenauslage 1 mit einer vorgeordneten Druckmaschine 2 schematisch dargestellt.
Die Druckmaschine 2 enthält einen Druckzylinder 3 mit drei Druckflächen 4.1; 4.2; 4.3 und drei Greifersystemen 5.1; 5.2; 5.3. Dem Druckzylinder 3 sind zwei Druckwerke 6; 7 zugeordnet, die gleich aufgebaut sind.
Jedes Druckwerk 6; 7 besteht aus einem Offsetzylinder 8, einem Druckformzylinder 9 sowie zwei jedem Druckformzylinder zugeordneten Farbwerken 10.1 und 10.2. Der Offsetzylinder 8 und der Druckformzylinder 9 besitzen jeweils zwei Wirkflächen 8.1 und 8.2 bzw. 9.1 und 9.2. Jedem Druckformzylinder 9 ist eine Einrichtung zum Bebildem 10 zugeordnet.
Der Druckzylinder 3 arbeitet mit einer nicht dargestellten Bogenanlage zusammen, die nur jedem zweiten Greifersystem 5 einen zu bedruckenden Bogen zuführt.
Die Bogenauslage besteht aus einer Kettenkreis-Bogenauslage 1 und zwei Auslagetrommeln 11; 12. Es ist auch möglich die Kettenkreis-Bogenauslage 1 dem Druckzylinder 3 direkt nachzuordnen. Die Kettenkreis-Bogenauslage 1 enthält zwei Umlenkräder 13; 14 und einen über die Umlenkräder geführten Kettenkreis 15. An dem Kettenkreis 15 sind Auslagegreifer 16 angeordnet. Der Abstand von einem Auslagegreifer zum nachfolgenden Auslagegreifer entspricht mindestens dem Umfangsbetrag einer Wirkfläche 9.1 oder 9.2 des Druckformzylinders 9. Der Kettenkreis 15 ist mit einer ungeraden Anzahl von Auslagegreifern 16 ausgestattet. Unterhalb der Kettenkreis-Bogenauslage 1 ist ein Bogenstapel 17 angeordnet.
Dem oberen Trum 18 des Kettenkreises 15 sind Tragluftdüsen 19 und dem Kettenkreis 15 mindestens eine Trockeneinrichtung 20 zugeordnet.
Am Tangentenpunkt zweite Übergabetrommel 12/Kettenkreis 15 ist ein erstes Steuerelement 21 zur Betätigung der Auslagegreifer 16 im Übernahmebereich angeordnet. Des Weiteren ist oberhalb des Bogenstapels 17 ein zweites Steuerelement 22 zur Betätigung der Auslagegreifer 16 im Bogenablagebereich angeordnet.In Fig. 1, a chain circle sheet delivery 1 is shown schematically with a upstream printing machine 2.
The printing machine 2 includes a printing cylinder 3 with three printing surfaces 4.1; 4.2; 4.3 and three gripper systems 5.1; 5.2; 5.3. The printing cylinder 3 are two printing units 6; 7 assigned, which are the same structure.
Each printing unit 6; 7 consists of an offset cylinder 8, a printing form cylinder 9 and two each printing form cylinder associated inking units 10.1 and 10.2. The offset cylinder 8 and the plate cylinder 9 each have two active surfaces 8.1 and 8.2 or 9.1 and 9.2. Each printing forme cylinder 9 is assigned a device for the image 10.
The printing cylinder 3 cooperates with a sheet feeder, not shown, which feeds only every second gripper system 5 a sheet to be printed.
The sheet delivery consists of a chain circle sheet delivery 1 and two delivery drums 11; 12. It is also possible the Kettenkreis sheet delivery 1 the print cylinder 3 directly nachordnen. The chain circle sheet delivery 1 contains two guide wheels 13; 14 and a guided over the pulleys chain circle 15. At the chain circle 15 delivery gripper 16 are arranged. The distance from one delivery gripper to the next delivery gripper corresponds at least to the circumferential amount of an effective surface 9.1 or 9.2 of the plate cylinder 9. The chain circuit 15 is equipped with an odd number of delivery grippers 16. Below the chain circle sheet delivery 1, a sheet stack 17 is arranged.
The upper run 18 of the chain circle 15 Tragluftdüsen 19 and the chain circle 15 at least one drying device 20 are assigned.
At the tangent point second transfer drum 12 / chain circle 15, a first control element 21 is arranged for actuating the display gripper 16 in the transfer area. Furthermore, a second control element 22 for actuating the delivery gripper 16 in the sheet storage area is arranged above the sheet stack 17.

Die Wirkungsweise der beschriebenen Druckmaschine einschließlich Kettenkreis-Bogenauslage wird nachfolgend beschrieben.The operation of the printing machine described including chain circle sheet delivery will be described below.

Wie bereits ausgeführt handelt es sich bei der beschriebenen Druckmaschine um ein System, bei dem zum Bedrucken eines Bogens mit vier Farben mittels zweier Druckwerke ein zweimaliger Umlauf des Druckzylinders notwendig ist. Dabei wird nur jedem zweiten Greifersystem des Druckzylinders ein zu bedruckender Bogen zugeführt und nur von jedem zweiten Greifersystem ein bedruckter Bogen abgeführt. Die nachfolgende Beschreibung bezieht sich auf die in Fig. 1 dargestellte momentane Zylinderstellung.As already stated, the described printing machine is a system in which a two-fold circulation of the printing cylinder is necessary for printing a sheet with four colors by means of two printing units. In this case, only every second gripper system of the printing cylinder is fed to a sheet to be printed and only every other Gripper system a printed sheet removed. The following description refers to the current cylinder position shown in Fig. 1.

Der von der nicht dargestellten Bogenanlage dem zweiten Greifersystem 5.2 des Druckzylinders 3 zugeführte und auf der zweiten Druckfläche 4.2 aufliegende und zu bedruckende zweite Bogen 24 wird von dem zweiten Druckwerk 7 und ersten Druckwerk 6 bedruckt, dabei kommt der zu bedruckende Bogen jeweils mit einer ersten Wirkfläche 8.1 der Offsetzylinder 8 in Wirkverbindung. Vom ersten Greifersystem 5.1 wird ein bereits mit zwei Farben bedruckter erster Bogen 23 geführt.
Der dritte Bogen 25 wurde bereits im ersten Umlauf des Druckzylinders 3 mit zwei Farben und beim zweiten Umlauf mit der dritten und vierten Farbe bedruckt und wird nunmehr an die erste Auslagetrommel 11 übergeben.
Der vierte Bogen 26 wird von der Auslagetrommel 12 an den ersten Auslagegreifer 16.1 übergeben. Zur Bogenübernahme wird der erste Auslagegreifer 16.1 durch das erste Steuersystem 21 geöffnet und geschlossen.
Erreicht dieser vierte Bogen 26 bei der weiteren Bewegung der Druckmaschine nach Passieren der Trockeneinrichtung 20, wo er das erste Mal getrocknet wird, den Bereich über dem Bogenstapel 17 wird der erste Auslagegreifer 16.1 nicht durch das zweite Steuerelement 22 geöffnet, d.h. der vierte Bogen 26 wird nicht auf den Bogenstapel 17 abgelegt.
Bei der weiteren Bewegung der Druckmaschine passiert der vierte Bogen 26 den Tangentenpunkt zweite Auslagetrommel 12/Kettenkreis 15, wobei das erste Steuerelement 21 den ersten Auslagegreifer 16.1 nicht öffnet. Danach passiert der vierte Bogen 26 zum zweiten Mal die Trockeneinrichtung 20 und erreicht den Bereich über dem Bogenstapel 17. Das zweite Steuerelement 22 ist dabei aktiviert, der erste Auslagegreifer 16.1 wird geöffnet und der vierte Bogen 26 abgelegt.
In der Darstellung gemäß Fig. 1 befindet sich der vom zweiten Auslagegreifer 16.2 gehaltene fünfte Bogen 27 sowie der vom vierten Auslagegreifer 16.4 gehaltene sechste Bogen 28 und der vom siebenten Auslagegreifer 16.7 gehaltene siebente Bogen 29 auf der zweiten Umlaufrunde.
Der dritte Auslagegreifer 16.3 transportiert keinen Bogen, der sechste Auslagegreifer 16.6 transportiert den achten Bogen 30, der sich auf der ersten Umlaufrunde befindet, der fünfte Auslagegreifer 16.5 ist gerade durch das zweite Steuerelement 22 geöffnet worden und der neunte Bogen 31 wird auf den Bogenstapel abgelegt.The second sheet 24, which is fed by the sheet feeder, not shown, to the second gripper system 5.2 of the printing cylinder 3 and resting on the second printing surface 4.2 is printed by the second printing unit 7 and first printing unit 6, with the sheet to be printed each having a first effective area 8.1 of the offset cylinder 8 in operative connection. From the first gripper system 5.1 a printed already with two colors first sheet 23 is performed.
The third sheet 25 was already printed in the first round of the printing cylinder 3 with two colors and the second round with the third and fourth color and is now transferred to the first delivery drum 11.
The fourth sheet 26 is transferred from the delivery drum 12 to the first delivery gripper 16.1. For sheet transfer, the first delivery gripper 16.1 is opened and closed by the first control system 21.
If this fourth sheet 26 reaches the area above the sheet stack 17 during further movement of the printing machine after passing through the drying device 20, the area above the sheet stack 17 is not opened by the second control element 22, ie the fourth sheet 26 becomes not stored on the sheet pile 17.
During the further movement of the printing press, the fourth sheet 26 passes the tangent point second delivery drum 12 / chain circle 15, the first control element 21 not opening the first delivery gripper 16.1. Thereafter, the fourth sheet 26 for the second time passes the drying device 20 and reaches the area above the sheet stack 17. The second control element 22 is activated, the first delivery gripper 16.1 is opened and the fourth sheet 26 is stored.
In the illustration according to FIG. 1, the fifth sheet 27 held by the second delivery gripper 16.2 and the sixth sheet 28 held by the fourth delivery gripper 16.4 and the seventh sheet 29 held by the seventh delivery gripper 16.7 are on the second circulation round.
The third delivery gripper 16.3 transports no sheet, the sixth delivery gripper 16.6 transports the eighth sheet 30, which is on the first round of circulation, the fifth delivery gripper 16.5 has just been opened by the second control element 22 and the ninth sheet 31 is deposited on the stack of sheets.

Um das Durchhängen der mittels der Auslagegreifer 16 des oberen Trums des Kettenkreises 15 geführten Bogen zu vermeiden werden diese mit Tragluft aus den Tragluftdüsen 19 beaufschlagt.
Für eine intensive Trocknung der Bogen sorgt dabei einmal der durch den Zweifachumlauf verlängerte Bogenweg und/oder die Zweimaltrocknung.In order to avoid sagging of the guided by means of the delivery gripper 16 of the upper run of the chain circle 15 bow these are subjected to air from the Tragluftdüsen 19.
For an intensive drying of the sheet, the sheet path extended by the double circulation and / or the two-dimensional drying provide once.

Die in Fig. 2 dargestellte Kettenkreis-Bogenauslage 1 ist nahezu analog wie die in Fig. 1 dargestellte Kettenkreis-Bogenauslage 1 aufgebaut.
Unterschiedlich ist, dass eine gerade Anzahl von Auslagegreifern 16 vorhanden ist und dem Kettenkreis 15 eine Speichertrommel 32 zugeordnet ist.
Die Wirkungsweise der in Fig. 2 dargestellten Kettenkreis-Bogenauslage mit Speichertrommel wird nachfolgend beschrieben, wobei die analogen bereits bei Fig. 1 beschriebenen Abläufe weggelassen werden.
Der vierte Bogen 2 wird von der Auslagetrommel 12 an den ersten Auslagegreifer 16.1 über geben. Zur Bogenübernahme wird der erste Auslagegreifer 16.1 durch das erste Steuersystem 21 geöffnet und geschlossen. Erreicht dieser vierte Bogen 26 bei der weiteren Bewegung der Druckmaschine nach Passieren der Trockeneinrichtung 20, wo er das erste Mal getrocknet wird, den Bereich über dem Bogenstapel 17 wird der erste Auslagegreifer 16.1 nicht durch das zweite Steuerelement 22 geöffnet, d.h. der vierte Bogen 26 wird nicht auf den Bogenstapel 17 abgelegt.
Vor Erreichen des Tangentenpunktes zweite Auslagetrommel 12/Kettenkreis 15 wird der vierte Bogen 26 von dem ersten Auslagegreifer 16.1 an den Greifer 33 der Speichertrommel 32 und bei der weiteren Bewegung von dem Greifer 33 an den nachfolgenden Auslagegreifer 16.3 übergeben, d.h. es findet ein Bogenversatz um einen Auslagegreifer statt.
Bei der weiteren Bewegung der Druckmaschine passiert der vierte Bogen 26 den Tangentenpunkt zweite Auslagetrommel 12/Kettenkreis 15, wobei das erste Steuerelement 21 den dritten Auslagegreifer 16.3 nicht öffnet. Danach passiert der vierte Bogen 26 zum zweiten Mal die Trockeneinrichtung 20 und erreicht den Bereich über dem Bogenstapel 17. Das zweite Steuerelement 22 ist dabei aktiviert, der dritte Auslagegreifer 16.3 wird geöffnet und der vierte Bogen abgelegt.
In der Darstellung gemäß Fig. 2 befindet sich der vom vierten Auslagegreifer 16.4 gehaltene Bogen 28 und der vom siebenten Auslagegreifer 16.7 gehaltene siebente Bogen 29 auf der zweiten Umlaufrunde. Der dritte Auslagegreifer 16.3 und der fünfte Auslagegreifer 16.5 transportieren keinen Bogen und der sechste Auslagegreifer 16.6 transportiert den achten Bogen 30, der sich auf der ersten Umlaufrunde befindet.
Die Speichertrommel 32 kann an beliebiger Stelle am oberen Trum des Kettenkreises 15 angeordnet werden.
Die Speichertrommel 32 kann als Trockner-Speichertrommel ausgebildet sein. In diesem Fall ist der Speichertrommel ein Trockner 34 zugeordnet.The chain circle sheet delivery 1 shown in FIG. 2 is constructed almost analogously to the chain circle sheet delivery 1 shown in FIG.
It is different that an even number of delivery grippers 16 is present and the chain circle 15 is associated with a storage drum 32.
The operation of the chain-circle sheet delivery with storage drum shown in Fig. 2 will be described below, the analogous already described in Fig. 1 operations are omitted.
The fourth sheet 2 is passed from the delivery drum 12 to the first delivery gripper 16.1. For sheet transfer, the first delivery gripper 16.1 is opened and closed by the first control system 21. If this fourth sheet 26 reaches the area above the sheet stack 17 during further movement of the printing machine after passing through the drying device 20, the area above the sheet stack 17 is not opened by the second control element 22, ie the fourth sheet 26 becomes not stored on the sheet pile 17.
Before reaching the tangent point second delivery drum 12 / chain circle 15, the fourth sheet 26 is transferred from the first delivery gripper 16.1 to the gripper 33 of the storage drum 32 and the further movement of the gripper 33 to the subsequent delivery gripper 16.3, ie there is a bow offset to one Delivery gripper instead.
During the further movement of the printing press, the fourth sheet 26 passes the tangent point second delivery drum 12 / chain circle 15, the first control element 21 not opening the third delivery gripper 16.3. Thereafter, the fourth sheet 26 for the second time passes the drying device 20 and reaches the area above the sheet stack 17. The second control element 22 is activated, the third delivery gripper 16.3 is opened and the fourth sheet deposited.
In the illustration according to FIG. 2, the sheet 28 held by the fourth delivery gripper 16.4 and the seventh delivery sheet 29 held by the seventh delivery gripper 16.7 are located on the second circulation loop. The third delivery gripper 16.3 and the fifth delivery gripper 16.5 do not transport a bow and the sixth delivery gripper 16.6 transports the eighth sheet 30, which is on the first round of circulation.
The storage drum 32 can be arranged at any desired location on the upper run of the chain circle 15.
The storage drum 32 may be formed as a dryer storage drum. In this case, the storage drum is associated with a dryer 34.

BezugszeichenaufstellungREFERENCE NUMBERS

11
Kettenkreis-BogenauslageChain circle sheet delivery
22
Druckmaschinepress
33
Druckzylinderpressure cylinder
44
Druckflächeprint area
4.14.1
erste Druckflächefirst printing surface
4.24.2
zweite Druckflächesecond printing surface
4.34.3
dritte Druckflächethird printing surface
55
Greifersystemgripper system
5.15.1
erstes Greifersystemfirst gripper system
5.25.2
zweites Greifersystemsecond gripper system
5.35.3
drittes Greifersystemthird gripper system
66
erstes Druckwerkfirst printing unit
77
zweites Druckwerksecond printing unit
88th
Offsetzylinderoffset cylinder
8.18.1
erste Wirkfläche von 8first effective area of 8
8.28.2
zweite Wirkfläche von 8second effective area of 8
99
DruckformzylinderPlate cylinder
9.19.1
erste Wirkfläche von 9first effective area of 9
9.29.2
zweite Wirkfläche von 9second effective area of 9
1010
Einrichtung zum BebildernDevice for picture making
1111
erste Auslagetrommelfirst delivery drum
1212
zweite Auslagetrommelsecond delivery drum
1313
erstes Umlenkradfirst deflecting wheel
1414
zweites Umlenkradsecond deflecting wheel
1515
Kettenkreischain circle
1616
Auslagegreiferdelivery gripper
16.116.1
erster Auslagegreiferfirst delivery gripper
16.216.2
zweiter Auslagegreifersecond delivery gripper
16.316.3
dritter Auslagegreiferthird delivery gripper
16.416.4
vierter Auslagegreiferfourth delivery gripper
16.516.5
fünfter Auslagegreiferfifth delivery gripper
16.616.6
sechster Auslagegreifersixth delivery gripper
16.716.7
siebenter Auslagegreiferseventh delivery gripper
1717
Bogenstapelsheet pile
1818
oberes Trumupper strand
1919
TragluftdüsenSupporting air nozzles
2020
Trockeneinrichtungdrying device
2121
erstes Steuerelementfirst control
2222
zweites Steuerelementsecond control
2323
erster Bogenfirst bow
2424
zweiter Bogensecond bow
2525
dritter Bogenthird arch
2626
vierter Bogenfourth arch
2727
fünfter Bogenfifth bow
2828
sechster Bogensixth bow
2929
siebenter Bogenseventh bow
3030
achter BogenEighth bow
3131
neunter Bogenninth bow
3232
Speichertrommelstorage drum
3333
Greifergrab
3434
Trocknerdryer

Claims (7)

  1. Chain circle sheet delivery unit (1) of a printing machine (2) which is equipped with a printing cylinder (3), which has an uneven number of printing surfaces (4.1, 4.2, 4.3) and gripper systems (5.1, 5.2, 5.3) and at least one printing form cylinder (9), which has a number of effective surfaces (9.1, 9.2) corresponding with the number of printing surfaces (4.1, 4.2, 4.3) reduced by the number one, and a sheet feeder feeding a sheet (23 to 31) only to each second gripper system (5.1, 5.2, 5.3) of the printing cylinder (3) as well as a chain circle sheet delivery unit (1) removing a sheet (23 to 31) only from each second gripper system (5.1, 5.2, 5.3) of the printing cylinder (3), wherein the chain circle sheet delivery unit (1) has an uneven number of delivery unit grippers (16), the mutual spacing of which is equal to or greater than the circumferential length of an effective surface (9.1 or 9.2) of the printing form cylinder (9), and has control elements (21; 22), which enable a double sheet circulation, for the delivery unit grippers (16).
  2. Chain circle sheet delivery unit (1) of a printing machine (2) which is equipped with a printing cylinder (3), which has an uneven number of printing surfaces (4.1, 4.2, 4.3) and gripper systems (5.1, 5.2, 5.3) and at least one printing form cylinder (9), which has a number of effective surfaces (9.1, 9.2) corresponding with the number of printing surfaces (4.1, 4.2, 4.3) reduced by the number one, and a sheet feeder feeding a sheet (23 to 31) only to each second gripper system (5.1, 5.2, 5.3) of the printing cylinder (3) as well as a chain circle sheet delivery unit (1) removing a sheet (23 to 31) only from each second gripper system (5.1, 5.2, 5.3), wherein the chain circle sheet delivery unit (1) has an even number of delivery unit grippers (16), the mutual spacing of which is equal to or greater than the circumferential length of an effective surface (9.1 or 9.2) of the printing form cylinder (9), and has control elements (21; 22), which enable a double sheet circulation, for the delivery unit grippers (16) and a storage drum (32) effecting a sheet displacement from one delivery unit gripper to the succeeding delivery unit gripper.
  3. Chain circle sheet delivery unit of a printing machine according to claim 1 or 2, characterised in that the chain circle sheet delivery unit (1) is arranged downstream of the printing cylinder (3).
  4. Chain circle sheet delivery unit of a printing machine according to claim 1 or 2, characterised in that the chain circle sheet delivery unit (1) is arranged downstream of the printing cylinder (3) by way of two delivery unit drums (11; 12).
  5. Chain circle sheet delivery unit of a printing machine according to claim 1 or 2, characterised in that support air nozzles (19) are associated with an upper run (18) of the chain circle sheet delivery unit (1).
  6. Chain circle sheet delivery unit of a printing machine according to claim 1 or 2, characterised in that a drying device (20) is associated with a chain circle (15) of the chain circle sheet delivery unit (1).
  7. Chain circle sheet delivery unit of a printing machine according to claim 2, characterised in that the storage drum (32) is constructed as a drier storage drum with a drier (34).
EP01102438A 2000-03-02 2001-02-03 Endless-chain sheet feeder Expired - Lifetime EP1129849B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10010206 2000-03-02
DE10010206A DE10010206A1 (en) 2000-03-02 2000-03-02 Chain circle arch display

Publications (3)

Publication Number Publication Date
EP1129849A2 EP1129849A2 (en) 2001-09-05
EP1129849A3 EP1129849A3 (en) 2004-01-07
EP1129849B1 true EP1129849B1 (en) 2007-03-07

Family

ID=7633259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102438A Expired - Lifetime EP1129849B1 (en) 2000-03-02 2001-02-03 Endless-chain sheet feeder

Country Status (3)

Country Link
EP (1) EP1129849B1 (en)
AT (1) ATE355970T1 (en)
DE (2) DE10010206A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3443704A1 (en) * 1984-11-30 1986-06-05 Roland Man Druckmasch DEVICE FOR GUIDING SHEETS PRINTED ON ONE OR TWO SIDES
US5469787A (en) * 1994-03-15 1995-11-28 Heath Custom Press, Inc. Multi-color printing press
CA2227178C (en) * 1995-07-18 2001-04-17 Koenig & Bauer-Albert Ag A sheet-feed offset rotary printing machine
DE29616235U1 (en) * 1996-09-18 1996-10-24 Kba-Planeta Ag, 01445 Radebeul Sheet delivery with drying device in printing machines
DE19642804C2 (en) * 1996-10-17 2002-11-07 Heidelberger Druckmasch Ag Adjustment device for a gripper opening curve in a chain arm of a sheet-fed printing machine
DE19720746C2 (en) * 1997-05-17 2002-06-27 Koenig & Bauer Ag Printing machine with a printing cylinder

Also Published As

Publication number Publication date
ATE355970T1 (en) 2007-03-15
EP1129849A3 (en) 2004-01-07
DE50112142D1 (en) 2007-04-19
DE10010206A1 (en) 2001-09-06
EP1129849A2 (en) 2001-09-05

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