EP0096276A2 - Delivery mechanism for rotary presses - Google Patents

Delivery mechanism for rotary presses Download PDF

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Publication number
EP0096276A2
EP0096276A2 EP83105074A EP83105074A EP0096276A2 EP 0096276 A2 EP0096276 A2 EP 0096276A2 EP 83105074 A EP83105074 A EP 83105074A EP 83105074 A EP83105074 A EP 83105074A EP 0096276 A2 EP0096276 A2 EP 0096276A2
Authority
EP
European Patent Office
Prior art keywords
suction
roller
sheet
suction roller
suction roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83105074A
Other languages
German (de)
French (fr)
Other versions
EP0096276A3 (en
EP0096276B1 (en
Inventor
Erich Georg Wieland
Wolfgang Carlo Johannes Spiess
Jürgen Ferdinand Franz Münker
Willi Richard Ludwig Dörsam
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
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0096276A2 publication Critical patent/EP0096276A2/en
Publication of EP0096276A3 publication Critical patent/EP0096276A3/en
Application granted granted Critical
Publication of EP0096276B1 publication Critical patent/EP0096276B1/en
Expired legal-status Critical Current

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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
    • B65H29/68—Reducing the speed of articles as they advance
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • B65H29/243—Suction rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum
    • B65H2406/332—Details on suction openings

Definitions

  • the invention relates to a delivery device on sheet-fed rotary printing presses according to the preamble of patent claim 1.
  • the sheets are to be placed on a stack at a practically reduced speed. In practice, this means that the sheets must be slowed down over a short distance and then placed on the stack.
  • suction roller A disadvantage of this suction roller, however, is that it is built quite large and cannot be attached close enough to the paper stack.
  • the object of the invention is to create a driven suction roll for a delivery device on a sheet-fed rotary printing press, with which it is possible to keep the distance between the suction roll center and the stacking edge as small as possible; in addition, the sheet to be braked is to be stripped across its width during the braking process, i. H. Wrinkles are smoothed.
  • the advantages that can be achieved with the invention are, in particular, that it is possible during the braking process gangs to strip out the sheet from the middle of the sheet to the outside on both sides, and that part of the suction roller can be made inactive according to the sheet format width to be processed.
  • the outside diameter of the suction roller can be kept as small as desired, and suction air does not have to be supplied from the inside.
  • a driven suction roller 1 is mounted in a known manner in side frames of a sheet delivery device, not shown. As is also known, it can be moved in and against the sheet transport direction in order to position the suction roll 1 as close as possible to the rear side of the stack, in accordance with the paper format.
  • the suction roller 1 is designed as a solid body and is provided with a plurality of bores 2 which intersect the axis of rotation of the suction roller 1. You have e.g. B. a diameter of 4 mm.
  • the holes 2 are each on a left of a roller half, respectively. right rising spiral line around the suction roll 1, the holes 2 are each offset by 10 0 on the circumference and about 6 mm to each other.
  • suction air supply pieces 3 that are sealed off from one another over the entire length of the suction roller 1 provided with bores 2 arranged side by side.
  • the individual suction air feed pieces 3 are adapted to a radius "r" of the suction roll 1 and sealed against the ambient air in such a way that no outside air can enter between the suction roll 1 and suction air feed pieces 3.
  • Each suction air supply piece 3 is provided in the center with a longitudinal groove 4 which is connected to a connecting pipe 6.
  • Each of the connecting pipes 6 is connected to a shut-off valve 8 assigned to it via a hose 7. All shut-off valves 8 are connected via tubes D between pipes to a suction air source, not shown.
  • the suction air of each individual suction air supply piece 3 can be adjusted or switched off via the shut-off valves 8.
  • a table 9 is provided in the opposite direction to the sheet transport direction.
  • a surface 11 of the table 9 is arranged slightly below the highest point of the suction roll 1.
  • the table 9 is provided on its surface 11 with outlet openings 12 for blowing air.
  • the outlet openings 12 are designed such that they allow the air flow to emerge along the surface 11, as a result of which the paper sheet is drawn against the table 9 in accordance with the "hydrodynamic" paradox.

Abstract

1. A delivery mechanism for sheet-fed rotary printing presses with a driven suction roller (1) which is provided with a plurality of suction holes, characterized in that the suction roller (1) is provided with a multitude of boreholes (2) separated from one another, that a plurality of suction air feed pieces (3) adapted in longitudinal direction of the suction roller and alongside each other to the radius (r) of the suction roller (1) are arranged to be sealed off against each other and are connected to a suction air source which is capable of being turned on and off, that the boreholes (2) are arranged, commencing in each case from half a suction roller length, on a spiral line rising to the left and right respectively and extending over half the roller length.

Description

Die Erfindung betrifft eine Auslegevorrichtung an Bogenrotationsdruckmaschinen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a delivery device on sheet-fed rotary printing presses according to the preamble of patent claim 1.

In Auslegevorrichtungen an Bogenrotationsdruckmaschinen sollen die Bogen mit einer praktisch auf Null reduzierten Geschwindigkeit zur Ablage auf einem Stapel kommen. In der Praxis bedeutet das, daß die Bogen auf einer kurzen Strecke abgebremst und dann auf den Stapel abgelegt werden müssen.In lay-out devices on sheet-fed rotary printing machines, the sheets are to be placed on a stack at a practically reduced speed. In practice, this means that the sheets must be slowed down over a short distance and then placed on the stack.

Zum Abbremsen der Bogen sind angetriebene Saugwalzen z. B. durch die US-PS 29 69 980 bekannt geworden.Driven suction rollers are used to brake the sheet z. B. made known by US-PS 29 69 980.

Nachteilig bei dieser Saugwalze ist jedoch, daß sie ziemlich groß baut und so nicht nahe genug am Papierstapel angebracht werden kann.A disadvantage of this suction roller, however, is that it is built quite large and cannot be attached close enough to the paper stack.

Der Erfindung liegt die Aufgabe zugrunde, eine angetriebene Saugwalze für eine Auslegevorrichtung an einer Bogenrotationsdruckmaschine zu schaffen, mit der es möglich ist, den Abstand Saugwalzenmitte - Stapelkante möglichst klein zu halten; außerdem soll der abzubremsende Bogen während des Abbremsevorgangs über seine Breite ausgestreift, d. h. Falten geglättet werden.The object of the invention is to create a driven suction roll for a delivery device on a sheet-fed rotary printing press, with which it is possible to keep the distance between the suction roll center and the stacking edge as small as possible; in addition, the sheet to be braked is to be stripped across its width during the braking process, i. H. Wrinkles are smoothed.

Diese Aufgabe wird erfindungsgemäß durch den Gegenstand der kennzeichnenden Teile der Ansprüche gelöst.This object is achieved according to the invention by the subject matter of the characterizing parts of the claims.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß es möglich ist, während des Abbremsvorgangs den Bogen von der Bogenmitte nach außen nach beiden Seiten hin auszustreifen, und daß entsprechend der gerade zu verarbeitenden Bogenformatbreite ein Teil der Saugwalze inaktiv gestellt werden kann. Außerdem kann der Außendurchmesser der Saugwalze beliebig klein gehalten werden, und eine Saugluftzufuhr muß nicht von innen erfolgen.The advantages that can be achieved with the invention are, in particular, that it is possible during the braking process gangs to strip out the sheet from the middle of the sheet to the outside on both sides, and that part of the suction roller can be made inactive according to the sheet format width to be processed. In addition, the outside diameter of the suction roller can be kept as small as desired, and suction air does not have to be supplied from the inside.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschreiben. Es zeigen

  • Fig. 1 einen Vertikalschnitt durch die erfindungsgemäße Saugwalze,
  • Fig. 2 eine Ansicht von oben auf die Saugluftzufuhrstücke.
  • Fig. 3 eine Ansicht der erfindungsgemäßen Saugwalze.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
  • 1 is a vertical section through the suction roll according to the invention,
  • Fig. 2 is a top view of the suction air supply pieces.
  • Fig. 3 is a view of the suction roll according to the invention.

In nicht dargestellten Seitengestellen einer Bogenauslegevorrichtung ist in bekannter Weise eine angetriebene Saugwalze 1 gelagert. Sie kann, wie ebenfalls bekannt, in und entgegen Bogentransportrichtung verschoben werden, um die Saugwalze 1 möglichst nahe - entsprechend dem Papierformat - an die hintere Stapelseite anzustellen. Die Saugwalze 1 ist als Vollkörper ausgeführt und mit einer Vielzahl von die Rotationsachse der Saugwalze 1 schneidenden Bohrungen 2 versehen. Sie haben z. B. einen Durchmesser von 4 mm. Die Bohrungen 2 liegen auf je einer von einer Walzenhälfte ausgehenden, links bezw. rechts steigenden Spirallinie um die Saugwalze 1, Die Bohrungen 2 sind jeweils um 100 am Umfang und ca. 6 mm seitlich zueinander versetzt angeordnet. Unterhalb der Saugwalze 1 sind über die gesamte, mit Bohrungen 2 versehene Länge der Saugwalze 1 eine Mehrzahl von gegeneinander abgeschotteten Saugluftzufuhrstücken 3 nebeneinander angeordnet. Die einzelnen Saugluftzufuhrstücke 3 sind an einen Radius "r" der Saugwalze 1 angepaßt und gegen die Umgebungsluft so abgedichtet, daß keine Fremdluft zwischen Saugwalze 1 und Saugluftzuführstücke 3 eintreten kann. Jedes Saugluftzufuhrstück 3 ist mittig mit einer Längsnut 4 versehen, die mit einem Anschlußrohr 6 in Verbindung steht. Über einen Schlauch 7 ist jedes der Anschlußrohre 6 mit einem ihm zugeordneten Absperrventil 8 verbunden. Sämtliche Absperrventile 8 sind über Schläuche Dzw. Rohre an eine nicht dargestellte Saugluftquelle angeschlossen.A driven suction roller 1 is mounted in a known manner in side frames of a sheet delivery device, not shown. As is also known, it can be moved in and against the sheet transport direction in order to position the suction roll 1 as close as possible to the rear side of the stack, in accordance with the paper format. The suction roller 1 is designed as a solid body and is provided with a plurality of bores 2 which intersect the axis of rotation of the suction roller 1. You have e.g. B. a diameter of 4 mm. The holes 2 are each on a left of a roller half, respectively. right rising spiral line around the suction roll 1, the holes 2 are each offset by 10 0 on the circumference and about 6 mm to each other. Below the suction roller 1 there are a plurality of suction air supply pieces 3 that are sealed off from one another over the entire length of the suction roller 1 provided with bores 2 arranged side by side. The individual suction air feed pieces 3 are adapted to a radius "r" of the suction roll 1 and sealed against the ambient air in such a way that no outside air can enter between the suction roll 1 and suction air feed pieces 3. Each suction air supply piece 3 is provided in the center with a longitudinal groove 4 which is connected to a connecting pipe 6. Each of the connecting pipes 6 is connected to a shut-off valve 8 assigned to it via a hose 7. All shut-off valves 8 are connected via tubes D between pipes to a suction air source, not shown.

Über die Absperrventile 8 kann die Saugluft jedes einzelnen Saugluftzufuhrstückes 3 eingestellt beziehungsweise abgestellt werden. Nahezu an die Saugwalze 1 anstoßend ist in entgegengesetzter Richtung zur Bogentransportrichtung ein Tisch 9 vorgesehen. Eine Oberfläche 11 des Tisches 9 ist etwas unterhalb des höchsten Punktes der Saugwalze 1 angeordnet. Der Tisch 9 ist auf seiner Oberfläche 11 mit Austrittsöffnungen 12 für Blasluft versehen. Die Austrittsöffnungen 12 sind dabei so gestaltet, daß sie den Luftstrom entlang der Oberfläche 11 austreten lassen, wodurch entsprechend dem "hydrodynamischen" Paradoxon der Papierbogen gegen den Tisch 9 gezogen wird.The suction air of each individual suction air supply piece 3 can be adjusted or switched off via the shut-off valves 8. Almost abutting the suction roller 1, a table 9 is provided in the opposite direction to the sheet transport direction. A surface 11 of the table 9 is arranged slightly below the highest point of the suction roll 1. The table 9 is provided on its surface 11 with outlet openings 12 for blowing air. The outlet openings 12 are designed such that they allow the air flow to emerge along the surface 11, as a result of which the paper sheet is drawn against the table 9 in accordance with the "hydrodynamic" paradox.

Durch die spiralförmige Anordnung der Bohrungen 2 werden in Verbindung mit den Saugluftzufuhrstücken 3 nur wenige von ihnen gleichzeitig mit Saugluft beaufschlagt. Durch die Drehung der Saugwalze 1 werden die Bohrungen 2 in zeitlicher Reihenfolge an die Saugluftquelle an- bzw. von ihr abgeschaltet, und zwar jeweils beginnend von der Mitte der Saugwalze 1 nach ihrem rechten bzw. linken Ende hin. Durch diesen Effekt in Verbindung mit der Drehung der Sauqwalze 1 in Bogenlaufrichtung wird ein seitlicher Ausstreifeffekt des abzubremsenden Bogens erzielt.Due to the spiral arrangement of the bores 2, only a few of them are simultaneously acted upon by suction air in connection with the suction air supply pieces 3. By rotating the suction roller 1, the bores 2 are switched on or off by the suction air source in chronological order, starting from the center of the suction roller 1 towards their right and left ends, respectively. Through this Effect in connection with the rotation of the suction roller 1 in the sheet running direction, a lateral stripping effect of the sheet to be braked is achieved.

TeilelisteParts list

  • 1 Saugwalze1 suction roller
  • 2 Bohrung2 holes
  • 3 Saugluftzufuhrstück3 suction air supply piece
  • 4 Längsnut4 longitudinal groove
  • 55
  • 6 Anschlußrohr6 connecting pipe
  • 7 Schlauch7 hose
  • 8 Absperrventil8 shut-off valve
  • 9 Tisch9 table
  • 1010th
  • 11 Oberfläche11 surface
  • 12 Austrittsöffnung12 outlet opening
  • r Radiusr radius

Claims (2)

1. Auslegevorrichtung an Bogenrotationsdruckmaschinen mit einer angetriebenen Saugwalze, die mit einer Mehrzahl von Sauglöchern versehen ist, dadurch gekennzeichnet, daß die Saugwalze (1) mit einer Vielzahl voneinander getrennter Bohrungen (2) versehen ist, daß eine Mehrzahl von in Saugwalzenlängsrichtung und nebeneinander an einen Radius (r) der Saugwalze (1) angepaßte Saugluftzufuhrstücke (3) gegeneinander abgeschottet, und an- und abstellbar mit einer Saugluftquelle verbunden sind.1. Delivery device on sheet-fed rotary printing presses with a driven suction roll which is provided with a plurality of suction holes, characterized in that the suction roll (1) is provided with a plurality of mutually separate bores (2) that a plurality of in the longitudinal direction of the suction roll and next to one another Radius (r) of the suction roll (1) adapted suction air supply pieces (3) are sealed off from each other, and can be switched on and off with a suction air source. 2. Auslegevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Bohrungen (2) auf einer jeweils von einer halben Saugwalzenlänge ausgehenden, sich jeweils über die halbe Walzenlänge erstreckenden links- und einer rechtssteigenden Spirallinie um einen Mantel der Saugwalze (1) angeordnet sind.2. Delivery device according to claim 1, characterized in that the bores (2) are arranged on a starting from half a suction roll length, each extending over half the roll length left and a rightward spiral line around a jacket of the suction roll (1).
EP19830105074 1982-06-03 1983-05-21 Delivery mechanism for rotary presses Expired EP0096276B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823220798 DE3220798C1 (en) 1982-06-03 1982-06-03 Delivery device on sheet-fed rotary printing machines
DE3220798 1982-06-03

Publications (3)

Publication Number Publication Date
EP0096276A2 true EP0096276A2 (en) 1983-12-21
EP0096276A3 EP0096276A3 (en) 1984-07-04
EP0096276B1 EP0096276B1 (en) 1985-12-18

Family

ID=6165124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830105074 Expired EP0096276B1 (en) 1982-06-03 1983-05-21 Delivery mechanism for rotary presses

Country Status (3)

Country Link
EP (1) EP0096276B1 (en)
JP (1) JPS58224952A (en)
DE (1) DE3220798C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225455A2 (en) * 1985-12-05 1987-06-16 Koenig & Bauer Aktiengesellschaft Delivery device for a sheet-fed rotary printing machine
WO2009149804A1 (en) * 2008-05-29 2009-12-17 WINKLER+DüNNEBIER AG Vacuum roller having suction grooves

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221927C2 (en) * 1992-07-03 2000-12-21 Heidelberger Druckmasch Ag Sheet delivery on a printing press
JP4878104B2 (en) 2003-07-21 2012-02-15 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト Method for conveying sheets through a printing machine and apparatus for carrying out the method
JP2018165001A (en) * 2017-03-28 2018-10-25 株式会社トライテック Industrial inkjet drawing apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944857C (en) * 1953-02-04 1956-06-28 Maschf Augsburg Nuernberg Ag Device for depositing sheets, especially in printing machines
US2969980A (en) * 1958-09-08 1961-01-31 Miehle Goss Dexter Inc Vacuum slow down device for sheet delivery mechanism
DE2550606A1 (en) * 1974-12-19 1976-06-24 Xerox Corp SHEET UNIT AND STACKING DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE870564C (en) * 1945-08-31 1953-03-16 Warner Jones & Company Ltd K Device for moving or controlling the movement of webs or sheets of paper or the like in printing machines or the like.
JPS6025352B2 (en) * 1978-03-02 1985-06-18 住友重機械工業株式会社 Paper ejection device in double-sided printing machine
DE2838586C2 (en) * 1978-09-05 1985-06-20 I.M.C. GmbH Marketing für die graph. Industrie, 6050 Offenbach Method and device for straightening printed sheets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944857C (en) * 1953-02-04 1956-06-28 Maschf Augsburg Nuernberg Ag Device for depositing sheets, especially in printing machines
US2969980A (en) * 1958-09-08 1961-01-31 Miehle Goss Dexter Inc Vacuum slow down device for sheet delivery mechanism
DE2550606A1 (en) * 1974-12-19 1976-06-24 Xerox Corp SHEET UNIT AND STACKING DEVICE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225455A2 (en) * 1985-12-05 1987-06-16 Koenig & Bauer Aktiengesellschaft Delivery device for a sheet-fed rotary printing machine
EP0225455A3 (en) * 1985-12-05 1988-03-02 Koenig & Bauer Aktiengesellschaft Delivery device for a sheet-fed rotary printing machine delivery device for a sheet-fed rotary printing machine
WO2009149804A1 (en) * 2008-05-29 2009-12-17 WINKLER+DüNNEBIER AG Vacuum roller having suction grooves

Also Published As

Publication number Publication date
EP0096276A3 (en) 1984-07-04
JPS58224952A (en) 1983-12-27
JPS6344661B2 (en) 1988-09-06
EP0096276B1 (en) 1985-12-18
DE3220798C1 (en) 1984-01-19

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