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DE3432036A1 - Sheet feed in printing presses - Google Patents

Sheet feed in printing presses

Info

Publication number
DE3432036A1
DE3432036A1 DE19843432036 DE3432036A DE3432036A1 DE 3432036 A1 DE3432036 A1 DE 3432036A1 DE 19843432036 DE19843432036 DE 19843432036 DE 3432036 A DE3432036 A DE 3432036A DE 3432036 A1 DE3432036 A1 DE 3432036A1
Authority
DE
Germany
Prior art keywords
sheet
gripper
control element
sheet feed
printing presses
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.)
Withdrawn
Application number
DE19843432036
Other languages
German (de)
Inventor
Annette DDR 8122 Radebeul Fuchs
Thomas DDR 6900 Jena Fuchs
Michael DDR 7127 Taucha Koch
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.)
Polygraph Leipzig Kombinat Veb
Original Assignee
Polygraph Leipzig Kombinat Veb
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polygraph Leipzig Kombinat Veb filed Critical Polygraph Leipzig Kombinat Veb
Publication of DE3432036A1 publication Critical patent/DE3432036A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4433—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material
    • B65H2301/44331—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material at particular portion of handled material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Discharge By Other Means (AREA)

Abstract

The invention relates to a sheet feed in printing presses. Based on the object of devising a sheet feed with auxiliary grippers, in which the sheet is always taken hold of at a time when deposition on the stack of sheets with correct positioning of the edges can be ensured, independently of the kinetic energy inherent in the sheet, a sheet monitoring element which determines the position of the sheet to be deposited is assigned to the sheet feed on printing presses with a sheet feed system which guides the sheet on a sheet path, a sheet retarding element and a fixed-cycle controlled auxiliary gripper which is provided with a gripper system and an actuating element which controls the gripper system, and the sheet monitoring element is connected via an evaluation block to the actuating element of the gripper system of the auxiliary gripper.

Description

Titel der ErfindungTitle of the invention

Bogenauslage an Druckmaschinen Anwendungsgebiet Die Erfindung betrifft eine Bogenauslage an Druckmaschinen mit einem Nachgreifersystem.Sheet delivery on printing machines Field of application The invention relates to a sheet delivery on printing machines with a follow-up gripper system.

Charakteristik der bekannten technischen Lösungen Es sind Bogenauslagen an Druckmaschinen mit einem den abzulegenden Bogen auf einem Bogenweg führenden Bogenauslagesystem, einem Bogenbremselement und einem mit einem Greifsystem und einem das Greifsystem steuernden Betätigungselement auagestatteten Nachgreifer bekannt (DS 1 216 325).Characteristics of the known technical solutions There are sheet deliveries on printing machines with a sheet to be deposited leading on a sheet path Sheet delivery system, a sheet braking element and one with a gripping system and A subsequent gripper equipped with an actuating element which controls the gripping system is known (DS 1 216 325).

Nachteilig ist dabei, daß die einen konstanten Weg zurucklegenden Nachgreifer den abzulegenden Bogen, bedingt duroh die dem Bogen innewohnende unterschiedliche kinetische Snergie, an unterschiedlichen Stellen erfassen und demzufolge auch an unterschiedlichen Stellen des Bogenstapeis ablegen.The disadvantage here is that they cover a constant path Grapple of the bow to be deposited, due to the different inherent in the bow kinetic energy, capture in different places and consequently even put them in different places on the sheet pile.

Die Folge davon sind unregelmäßige Stapel, die zu Schwierigkeinen in der Weiterverarbeitung führen.The result is irregular stacks that are not too difficult lead in further processing.

Ziel der Erfindung Ziel der Erfindung ist eine Erhöhung der Qualität des zu bildenden Bogenstapels.OBJECT OF THE INVENTION The aim of the invention is to increase the quality of the stack of sheets to be formed.

Aufgabe der Erfindung Aufgabe der Erfindung ist die Schaffung einer Bogenauslage mit Nachgreifern, bei der der Bogen, unabhängig von der dem Bogen innewohnenden kinetischen Energie, immer zu einem Zeitpunkt erfaßt wird, der eine kantengerechte Ablage der Bogen auf dem Stapel gewährleistet.Object of the invention The object of the invention is to create a Sheet delivery with follow-up grippers, in which the sheet is independent of the sheet inherent kinetic energy, is always recorded at a point in time that is appropriate to the edge Storage of the sheets on the stack guaranteed.

Wesen der Erfindung Erfindungsgemaß wird die Aufgabe dadurch gelöst, daß bei einer Bogenauslage an Druckmaschinen mit einem den Bogen auf einem Bogenweg führenden Bogenauslagesystem, einem Bogenbremselement und einem mit einem Greifsystem und einem das Greifsystem steuernden J3etätigungselement versehenen taktgesteuerten Naohgreif er, der Bogemauslage ein die Lage des abzulegenden Bogens bestimmendes Bogenkontrollelement zugeordnet und das Bogenkontrollelement über einen Auswerteblook mit dem Betätigungselement des Gresvsystems des Naohgreifera verbunden ist.Essence of the invention According to the invention, the object is achieved by that with a sheet delivery on printing machines with a sheet on a sheet path leading sheet delivery system, a sheet braking element and one with a gripping system and a clock-controlled actuation element which controls the gripping system Well he gripped the bow mouse display a determining the position of the bow to be put down Assigned sheet control element and the sheet control element via an evaluation look is connected to the actuating element of the Gresvsystem des Naohgreifera.

Daa Bogenkontrollelement ist im Bereich des Bogenbremselementes oder im Bereich der Bogenstapelvorderkante angeordnet oder ist Bestandteil des Nachgreifers.The bow control element is in the area of the bow brake element or arranged in the area of the leading edge of the stack of sheets or is part of the subsequent gripper.

Ausführungsbeispiel Nachfolgend wird die Erfindung an einem Ausführungsbeispiel näher erläutert.Exemplary embodiment The invention is illustrated below using an exemplary embodiment explained in more detail.

In der Zeichnung zeigt: Fig. 1: Bogenauslage Fig. 2 : Nachgreifer Der auf einem Bogenstapel 1 abzulegende Bogen 2 wird mittels eines Bogenauslagesystems 3 zum Bogenstapel geführt. Unterhalb des Weges des abzulegenden Bogens ist ein Bogenbremselement 4 angeordnet.The drawing shows: Fig. 1: Sheet delivery Fig. 2: Subsequent gripper The sheet 2 to be deposited on a sheet stack 1 is delivered by means of a sheet delivery system 3 led to the sheet pile. Below the path of the sheet to be deposited is a sheet braking element 4 arranged.

Im Bereich der Bogenstapelvorderkante 1.1 ist ein auf allgemein bekannte Art und Weise taktweise angetriebener Nachgreif er 5 angeordnet. Dabei ist der Nachgreifer mit einem allgemein bekannten pneumatischen Greifsystem 6 ausgestattet. Das pneumatische Greifsystem 6 ist über ein Betätigungselement 7 in Form eines Ventiles mit einer Luftversorgungsanlage 8 verbunden.In the area of the sheet stack leading edge 1.1 is a generally known Way cyclically driven follow-up he 5 arranged. Here is the follower equipped with a well-known pneumatic gripping system 6. The pneumatic one Gripping system 6 is via an actuating element 7 in the form of a valve with a Air supply system 8 connected.

Der Waohgreifer 5 enthält weiterhin ein Bogenkontrollelement 9, welches beispielsweise als allgemein bekannter Reflexabtastkopf ausgebildet ist. Das Bogenkontrollelement 9 ist über einen Ausworteblook 10 mit dem Betätigungselement 7 des Greifsystems 6 verbunden.The weighing gripper 5 also contains a sheet control element 9, which is designed, for example, as a well-known reflex scanning head. The bow control element 9 is via an Ausworteblook 10 with the actuating element 7 of the gripping system 6 connected.

Nachfolgend wird die Wirkungsweise der erfindungsgemäßen Einrichtung beschrieben.The operation of the device according to the invention is described below described.

Der auf dem Bogenstapel 1 abzulegende Bogen 2 wird durch das Bogenauslagesystem 3 in Bogenförderrichtung in Richtung des Bogenstapels 1 transportiert. Dabei wird der Bogen 2 durch das Bremselement 4 verzögert.The sheet 2 to be deposited on the sheet stack 1 is released by the sheet delivery system 3 transported in the sheet conveying direction in the direction of the sheet stack 1. It will the sheet 2 is delayed by the braking element 4.

Durch das Bogenkontrollelement 9 wird die Ankunft des Bogens festgestellt, das dadurch entstehende Signal auf bekannte Art und Weise ausgewertet und über das Betätigungselement 7 das Greifsystem 6 aktiviert und der Bogen zur kantengerechten Ablage durch den Nachgreifer 5 übernommen Die Nachgreifer 5 transportieren den Bogen an die im Bereich der Bogensbapelvorderkante 1.1 angeordneten Stapelanschläge 11.By the sheet control element 9, the arrival of the sheet established, the resulting signal is evaluated in a known manner and via the Actuating element 7, the gripping system 6 activated and the sheet to the right edge Filing taken over by the post-gripper 5 The post-grippers 5 transport the sheet to the stacking stops 11 arranged in the area of the front edge 1.1 of the stack of sheets.

Durch diese Anordnung wird erreicht, daß, unabhängig von der Lage des Bogens zum Naahgreifer, immer eine kantengerechte Ablage des Bogens auf dem Bogenstapel erfolgt.This arrangement ensures that, regardless of the location of the sheet to the sewing gripper, always an edge-to-edge deposit of the sheet on the Sheet stack takes place.

Die Erfindung iat gleichermaßen anwendbar an Nachgreifern, die den abzulegenden Bogen an der Bogenhinterkante erfassen, an Nachgreifern, die mechanische Greifsysteme aufweisen, an im Bereich des Weges des abzulegenden Bogens angeordneten, entweder die Bogenv or derkante oder die Bogenhint erkant e kontrollierenden Bogenkontrollelementen sowie an nach anderen Prinzipien arbeitenden Bogenkontrollelementen (mechanisch, pneumatisch, elektrisch, elektronisch, Schall).The invention iat equally applicable to followers who the Grasp the sheet to be deposited at the trailing edge of the sheet, on follow-up grippers, the mechanical Have gripping systems, arranged in the area of the path of the sheet to be deposited, Either the leading edge of the sheet or the trailing edge of the sheet are controlled by sheet control elements as well as sheet control elements that work according to other principles (mechanical, pneumatic, electric, electronic, sound).

Bezugszeichenaufstellung 1 Bogenstapel 1.1 Bogenstapelvorderkante 2 Bogen 3 Bogenauslagesystem 4 Bogenbremselement 5 Nachgreifer 6 Greifsystem 7 Betätigungselement 8 Luftversorgungsanlage 9 Bogenkontrollelement 10 Auswertablook 11 Stapelanschläge List of reference numbers 1 sheet stack 1.1 sheet stack leading edge 2 sheets 3 sheet delivery system 4 sheet braking element 5 post gripper 6 gripping system 7 actuating element 8 Air supply system 9 Sheet control element 10 Evaluation look 11 Stacking stops

Claims (4)

findungs anspruch 1. Bogenauslage an Druckmaschinen mit einem den Bogen auf einem Bogenweg führenden Bogenauslagesystem, einem Bogenbremselement und einem mit einem Greifsystem und einem das Greifsystem steuernden Betätigungselement versehenen taktgesteuerten Nachgreifer, gekennzeichnet dadurch, daß der Bogenauslage ein die Lage des abzulegenden Bogens (2) bestimmendes Bogenkontrollelement (9) zugeordnet und das Bogenkontrollelement über einen Auswerteblook (10) mit dem Betätigungselement (7) des Greifsystems (6) des Nachgreifers (5) verbunden ist.claim 1. Sheet delivery on printing machines with a den Sheet on a sheet path leading sheet delivery system, a sheet braking element and one with a gripping system and one actuating element controlling the gripping system provided clock-controlled subsequent gripper, characterized in that the sheet delivery assigned to a sheet control element (9) which determines the position of the sheet (2) to be deposited and the sheet control element via an evaluation look (10) with the actuating element (7) of the gripping system (6) of the secondary gripper (5) is connected. 2. Bogenauslage nach Pkb. 1, gekennzeichnet dadurch, daß das Bogenkontrollelement (9) im Bereich des Bogenbremselementes (4) angeordnet ist.2. Sheet delivery according to Pkb. 1, characterized in that the sheet control element (9) is arranged in the area of the sheet braking element (4). 3. Bogenauslage nach Pkt. 1, gekennzeichnet dadurch, daß das Bogenkontrollelement (9) im Bereich der Bogenstapelsorderkante (1.1) angeordnet ist.3. sheet delivery according to item 1, characterized in that the sheet control element (9) is arranged in the area of the sheet stack order edge (1.1). 4. Bogenauslage nach Pkt. 1, gekennzeichnet dadurch, daß das Bogenkontrollelement (9) Bestandteil des Nachgreifers (5) ist.4. sheet delivery according to item 1, characterized in that the sheet control element (9) is part of the follow-up gripper (5).
DE19843432036 1983-11-07 1984-08-31 Sheet feed in printing presses Withdrawn DE3432036A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD83256370A DD220006A1 (en) 1983-11-07 1983-11-07 ARCHER RELEASE ON PRINTING MACHINES

Publications (1)

Publication Number Publication Date
DE3432036A1 true DE3432036A1 (en) 1985-05-23

Family

ID=5551671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843432036 Withdrawn DE3432036A1 (en) 1983-11-07 1984-08-31 Sheet feed in printing presses

Country Status (2)

Country Link
DD (1) DD220006A1 (en)
DE (1) DE3432036A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328445A1 (en) * 1993-08-24 1995-03-02 Heidelberger Druckmasch Ag Apparatus for conveying sheets onto a stack
DE10239705A1 (en) * 2002-08-29 2004-03-11 Koenig & Bauer Ag Handling system used in the extension arm of sheet-processing machines, especially printing machines, for slowing down and placing sheets on a stack comprises a suction gripper and a mechanical gripping device with clamping elements
DE10239709A1 (en) * 2002-08-29 2004-03-18 Koenig & Bauer Ag Method by which printed sheets from a press are slowed and stacked has a system for detecting and gripping the lagging edge of a sheet to deposit it on a stack
DE102004014522A1 (en) * 2004-03-23 2005-10-20 Koenig & Bauer Ag Device for transporting sheets in printing machines has device for supporting gripper carriage in handover region between gripper systems and leading edge grippers
DE102004014521B3 (en) * 2004-03-23 2005-11-17 Koenig & Bauer Ag Paper sheet transporting device for printing press has grip carriage support one straight-line guide track above paper stack and in diverting region
DE102004061132A1 (en) * 2004-12-20 2006-06-29 Koenig & Bauer Ag Sheet delivery device for sheet processing printing machine has gripper opening drive which swivels the cam to and fro for controlling the opening points of clamping gripper between two end positions
DE102005010208B4 (en) * 2004-05-05 2008-04-17 Man Roland Druckmaschinen Ag Acceptance gripper in the sheet delivery of a printing machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328445A1 (en) * 1993-08-24 1995-03-02 Heidelberger Druckmasch Ag Apparatus for conveying sheets onto a stack
US5582400A (en) * 1993-08-24 1996-12-10 Heidelberger Druckmaschinen Device for conveying sheets to a sheet pile
DE4328445B4 (en) * 1993-08-24 2004-03-04 Heidelberger Druckmaschinen Ag Device for conveying sheets onto a stack
DE10239705A1 (en) * 2002-08-29 2004-03-11 Koenig & Bauer Ag Handling system used in the extension arm of sheet-processing machines, especially printing machines, for slowing down and placing sheets on a stack comprises a suction gripper and a mechanical gripping device with clamping elements
DE10239709A1 (en) * 2002-08-29 2004-03-18 Koenig & Bauer Ag Method by which printed sheets from a press are slowed and stacked has a system for detecting and gripping the lagging edge of a sheet to deposit it on a stack
DE10239709B4 (en) * 2002-08-29 2004-08-26 Koenig & Bauer Ag Device for storing sheets in the delivery of a sheet-processing machine
DE10239705B4 (en) * 2002-08-29 2016-04-21 Koenig & Bauer Ag Nachgreifersytem in the boom and method for braking and depositing sheets in the boom of sheetfed presses
DE102004014522A1 (en) * 2004-03-23 2005-10-20 Koenig & Bauer Ag Device for transporting sheets in printing machines has device for supporting gripper carriage in handover region between gripper systems and leading edge grippers
DE102004014521B3 (en) * 2004-03-23 2005-11-17 Koenig & Bauer Ag Paper sheet transporting device for printing press has grip carriage support one straight-line guide track above paper stack and in diverting region
DE102004014522B4 (en) * 2004-03-23 2006-03-09 Koenig & Bauer Ag Device for transporting sheets in printing machines has device for supporting gripper carriage in handover region between gripper systems and leading edge grippers
DE102005010208B4 (en) * 2004-05-05 2008-04-17 Man Roland Druckmaschinen Ag Acceptance gripper in the sheet delivery of a printing machine
DE102004061132A1 (en) * 2004-12-20 2006-06-29 Koenig & Bauer Ag Sheet delivery device for sheet processing printing machine has gripper opening drive which swivels the cam to and fro for controlling the opening points of clamping gripper between two end positions

Also Published As

Publication number Publication date
DD220006A1 (en) 1985-03-20

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Legal Events

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