EP1256531A1 - Separator for sheet front edge - Google Patents

Separator for sheet front edge Download PDF

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Publication number
EP1256531A1
EP1256531A1 EP02009000A EP02009000A EP1256531A1 EP 1256531 A1 EP1256531 A1 EP 1256531A1 EP 02009000 A EP02009000 A EP 02009000A EP 02009000 A EP02009000 A EP 02009000A EP 1256531 A1 EP1256531 A1 EP 1256531A1
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EP
European Patent Office
Prior art keywords
cam
separator according
leading edge
rocker
edge separator
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
EP02009000A
Other languages
German (de)
French (fr)
Other versions
EP1256531B1 (en
Inventor
Holger Dr.-Ing. Wiese
Heinz Dipl.-Ing. Dobner
Uwe Dr.-Ing. Bäse
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1256531A1 publication Critical patent/EP1256531A1/en
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Publication of EP1256531B1 publication Critical patent/EP1256531B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/42—Separating articles from piles by two or more separators mounted for movement with, or relative to, rotary or oscillating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B65H3/0833—Suction grippers separating from the top of pile and acting on the front part of the articles relatively to the final separating direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/36—Separating articles from piles by separators moved in special paths, e.g. enclosing an area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/40—Separating articles from piles by two or more separators acting alternately on the same 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
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/512—Cam mechanisms involving radial plate cam

Definitions

  • the invention relates to a sheet leading edge separator with several double suction cups arranged side by side for cyclical conveying von Bogen, the double suction cups by cam coupling gear driven movements on a closed path in the conveying direction run the bow and back while doing the double suction in one movement cycle comprising two work cycles by one work cycle successively moves into the area of the leading edge of a stack of sheets to acquire a sheet, the movement of each Double suction cup by means of two swivel joints spaced apart from one another is initiated.
  • a sheet leading edge separator of the type mentioned is from the DE-GM 92 09 663 known.
  • the first cam mechanism consists of a swing parallelogram hinged to the paddock, one of which Swing arm is pivotally driven by a cam.
  • This structure has the disadvantage that a large number of components, in particular on swingarms and bearings is required, which requires a lot of space, are expensive and prone to failure.
  • the object of the invention is therefore a sheet leading edge separator to create the type mentioned at the simple, inexpensive Build a straight vertical lifting of the arches at the same time exactly definable tipping course of the suction surface lifting the bow of the double suction cup.
  • This object is achieved in that the mechanism for driving the double suction device a gear freedom of Has three, such that in addition to the closed trajectory of the Double vacuum cleaner whose tilt angle can be precisely controlled.
  • the mechanism can be eight-part with three independent drives and three frame points can be provided.
  • Two approximately horizontally running gear members can be present, one end of which on a suction pad carrying a double suction pad are hinged at an approximately vertical distance from each other and their other ends can be moved essentially horizontally by a cam mechanism are drivable, wherein one of the transmission members continues from one further cam gear essentially vertically movable is and that each transmission link a substantially horizontally driving Cam gear is assigned so that the double suction cup from the two independently operating transmission links in his Movement course is determinable.
  • the suction pad can be opposite end of a gear link one essentially vertically extending first rocker and on which the suction coupling opposite end of the second gear link a substantially be vertically extending second rocker, wherein the opposite end of a gear link of the first rocker a first fixed pivot axis of a rotatable cam of a first cam mechanism and that of the second gear element opposite end of the second rocker about a fixed pivot axis of a rotatably drivable cam disc of a second Cam gear are pivotally driven.
  • first and second fixed pivot axes extend coaxially with each other.
  • cams of the first and the second cam mechanism on a common rotatable drivable drive shaft are arranged rotatably.
  • the cam disk of the first and / or the second cam mechanism can preferably in the approximately central region of the longitudinal extent of the each assigned rocker act on this rocker.
  • a first roller can be freely rotatably mounted on the first rocker, which with its radially circumferential surface on the radially circumferential Contour of the cam disc of the first cam mechanism is in the system as well a second roller can be freely rotatably mounted on the second rocker with its radially circumferential surface on the radially circumferential contour of the second cam mechanism is in system.
  • the second cam mechanism for essentially vertical drive one the gear member can be a substantially vertically extending one Have coupling, which is driven by a rotatable cam another cam mechanism can be driven approximately vertically, wherein preferably the transmission link is the upper of the two transmission links.
  • the paddle can be at one end with one end the transmission links are articulated and at their other end by the cam the further cam mechanism can be moved approximately vertically be acted upon.
  • a third can also be used on the coupling to reduce the friction Roll be freely rotatably mounted with its radially circumferential surface on the radial circumferential contour of the cam disc Cam gear is in plant.
  • roller rocker near the cam further Cam gear articulated to the coupling.
  • a particularly low-component construction and a particularly small installation space is achieved when the cams of the first and / or second Cam gear and the other cam gear on a common rotatably drivable drive shaft are rotatably arranged.
  • the sheet leading edge separator shown consists of at least two spaced apart units, like one of them in figure 1 is shown.
  • These units have a double suction device 1 and 1 ', which is an upper one Have suction surface 29 and 29 'and a lower suction surface 30 and 30'.
  • the double suction device 1 is fixed to a suction coupling 8 to which two gear members extending approximately horizontally at a distance from one another 6 and 7 are articulated, with the suction coupling 8 facing away End of the upper gear member 6 with a first rocker 9 and that the suction coupling 8 facing away from the lower gear link 7 a second rocker 10 is articulated.
  • Both rockers 9 and 10 extend substantially vertically below and are with their ends facing away from the gear members 6 and 7 about pivot axes 11 and 13, respectively, which extend coaxially with one another pivotable.
  • a roller 16 is free approximately in the central region of the first rocker 9 rotatably mounted, with its radially circumferential surface 17 on the radially circumferential contour 18 of a first cam 12 of a first Cam gear is in plant.
  • roller 19 freely rotatably mounted with its radially circumferential surface 20 on the radially circumferential contour 21 of a second cam 14 of a second cam mechanism is in system.
  • the cam disks 12 and 14 of the first and second cam mechanisms are rotatably on a common rotatably drivable drive shaft 15 arranged.
  • a coupling 22 is located approximately in the central region of the upper transmission element 6 hinged, which extends substantially vertically downwards and on its end facing away from the upper gear member a freely rotatably mounted third role 24 carries.
  • This roller 24 is with its radially circumferential circumferential surface 25 on the radial circumferential contour 26 of a third cam 23 of another Cam gear in system, the third cam 23 next to the first and second cams 12 and 14 also on the drive shaft 15 is arranged rotatably and the coupling 22 and with it the transmission link 6 and the double suction device 1 can be moved essentially vertically drives.
  • one end is one Roller rocker 28 articulated to the coupling 22, the other end the roller rocker 28 freely about a third fixed pivot axis 27 is pivotally mounted.
  • the drive shaft 15 is driven at a constant angular velocity. This leads to the fact that within a two working cycles Movement cycle of the sheet leading edge separator of the double suction cups 1 first with its lower suction surface 30 the uppermost sheet 2 in the area the stack leading edge 4 of a sheet stack 5 is detected and at least largely lifts vertically. Mainly the angle difference ⁇ the double suction cup 1 tilted so that its lower suction surface 30 is out their position parallel to the surface of the sheet stack 5 in a direction of conveyance 3 higher position at the front than when swiveled at the rear.
  • Double suction device 1 'now moves in the conveying direction 3 to a belt table 31 and passes this sheet 2 ".
  • the double suction device 1 moves over the front area of the sheet stack 5 upwards, so that the double suction cup 1 'then under the sheet 2 raised by the double suction device 1 over the sheet stack 5 move and can capture another sheet 2 "'.
  • the double suction device 1 ' carries out the inputs for the double suction device 1 described lifting movement, while the double suction device 1 the input described movement of the double suction device 1 'is carried out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Magnetic Record Carriers (AREA)
  • Cell Separators (AREA)
  • Packaging For Recording Disks (AREA)

Abstract

The double suction pieces (1) move to and fro on an enclosed track, driven by cam-coupled gears in the sheets' direction of movement (3). Two horizontal gear-elements (6,7) have ends linked, with a vertical space between them, to a suction coupling (8) supporting a double suction piece; the other ends are horizontally moved by a cam gear. The ends of a first and second gear-element have a vertical first (9) and second (10) rocker arm linked to each of them. The end of the first and second rocker arms swivels on a first (11) and second (13) fixed swivel axle and is driven by a rotary cam-disc (12,14) of a first and second cam gear.

Description

Die Erfindung bezieht sich auf einen Bogenvorderkantentrenner mit mehreren nebeneinander angeordneten Doppelsaugern zur taktweisen Förderung von Bogen, wobei die Doppelsauger durch Kurvenkoppelgetriebe angetrieben Bewegungen auf einer geschlossenen Bahn in Förderrichtung der Bogen und zurück ausführen und dabei die Doppelsauger in einem zwei Arbeitstakte aufweisenden Bewegungszyklus um einen Arbeitstakt versetzt nacheinander in den Bereich der Stapelvorderkante eines Bogenstapels zur Erfassung eines Bogens gelangen, wobei die Bewegung jedes Doppelsaugers mittels zweier voneinander beabstandeter Drehgelenke eingeleitet wird.The invention relates to a sheet leading edge separator with several double suction cups arranged side by side for cyclical conveying von Bogen, the double suction cups by cam coupling gear driven movements on a closed path in the conveying direction run the bow and back while doing the double suction in one movement cycle comprising two work cycles by one work cycle successively moves into the area of the leading edge of a stack of sheets to acquire a sheet, the movement of each Double suction cup by means of two swivel joints spaced apart from one another is initiated.

Ein Bogenvorderkantentrenner der eingangs genannten Art ist aus der DE-GM 92 09 663 bekannt. Dabei besteht das erste Kurvengetriebe aus einem an der Koppel angelenkten Schwingenparallelogramm, dessen eine Schwinge von einer Kurvenscheibe schwenkbar antreibbar ist. Dieser Aufbau hat den Nachteil, daß eine große Anzahl an Bauteilen, insbesondere an Schwingen und Lagerstellen erforderlich ist, die bauraumaufwendig, teuer und störanfällig sind. A sheet leading edge separator of the type mentioned is from the DE-GM 92 09 663 known. The first cam mechanism consists of a swing parallelogram hinged to the paddock, one of which Swing arm is pivotally driven by a cam. This structure has the disadvantage that a large number of components, in particular on swingarms and bearings is required, which requires a lot of space, are expensive and prone to failure.

Aufgabe der Erfindung ist es daher einen Bogenvorderkantentrenner der eingangs genannten Art zu schaffen, der bei einfachem, kostengünstigem Aufbau ein geradliniges senkrechtes Anheben der Bogen mit gleichzeitig exakt bestimmbarem Kippverlauf der den Bogen anhebenden Saugfläche des Doppelsaugers ermöglicht.The object of the invention is therefore a sheet leading edge separator to create the type mentioned at the simple, inexpensive Build a straight vertical lifting of the arches at the same time exactly definable tipping course of the suction surface lifting the bow of the double suction cup.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Mechanismus zum Antreiben des Doppelsaugers einen Getriebefreiheitsgrad von Drei aufweist, derart, daß neben der geschlossenen Bewegungsbahn des Doppelsaugers auch dessen Kippwinkel exakt steuerbar ist.This object is achieved in that the mechanism for driving the double suction device a gear freedom of Has three, such that in addition to the closed trajectory of the Double vacuum cleaner whose tilt angle can be precisely controlled.

Dabei kann der Mechanismus achtgliedrig mit drei unabhängigen Antrieben und drei Gestellpunkten vorgesehen sein.The mechanism can be eight-part with three independent drives and three frame points can be provided.

Dies ermöglicht nicht nur eine große exakt vorbestimmbare Variabilität des Bewegungsverlaufs je nach Auslegung der Getriebeglieder und Kurvengetriebe sondern auch einen einfachen Aufbau geringer Baugröße.This not only enables a large, precisely predeterminable variability of the Course of movement depending on the design of the gear links and cam gear but also a simple construction of small size.

Zwei etwa horizontal verlaufende Getriebeglieder können vorhanden sein, deren eine Enden an einer einen Doppelsauger tragenden Saugerkoppel in einem etwa vertikalen Abstand voneinander angelenkt sind und deren andere Enden durch ein Kurvengetriebe im wesentlichen horizontal bewegbar antreibar sind, wobei eines der Getriebeglieder weiterhin von einem weiteren Kurvengetriebe im wesentlichen vertikal bewegbar antreibbar ist und daß jedem Getriebeglied ein im wesentlichen horizontal antreibendes Kurvengetriebe zugeordnet ist, so daß der Doppelsauger von den beiden unabhängig voneinander agierenden Getriebegliedern in seinem Bewegungsverlauf bestimmbar ist.Two approximately horizontally running gear members can be present, one end of which on a suction pad carrying a double suction pad are hinged at an approximately vertical distance from each other and their other ends can be moved essentially horizontally by a cam mechanism are drivable, wherein one of the transmission members continues from one further cam gear essentially vertically movable is and that each transmission link a substantially horizontally driving Cam gear is assigned so that the double suction cup from the two independently operating transmission links in his Movement course is determinable.

Dabei kann in besonders einfacher Ausbildung an dem der Saugerkoppel entgegengesetzten Ende des einen Getriebeglieds eine sich im wesentlichen vertikal erstreckende erste Schwinge und an dem der Saugerkoppel entgegengesetzten Ende des zweiten Getriebeglieds eine sich im wesentlichen vertikal erstreckende zweite Schwinge angelenkt sein, wobei das dem einen Getriebeglied entgegengesetzte Ende der ersten Schwinge um eine erste feste Schwenkachse von einer drehbar antreibbaren Kurvenscheibe eines ersten Kurvengetriebes und das dem zweiten Getriebeglied entgegengesetzte Ende der zweiten Schwinge um eine feste Schwenkachse von einer drehbar antreibbaren Kurvenscheibe eines zweiten Kurvengetriebes schwenkbar antreibbar sind.In a particularly simple embodiment, the suction pad can be opposite end of a gear link one essentially vertically extending first rocker and on which the suction coupling opposite end of the second gear link a substantially be vertically extending second rocker, wherein the the opposite end of a gear link of the first rocker a first fixed pivot axis of a rotatable cam of a first cam mechanism and that of the second gear element opposite end of the second rocker about a fixed pivot axis of a rotatably drivable cam disc of a second Cam gear are pivotally driven.

Wenige Bauteile und nur geringer Bauraum sind erforderlich, wenn sich die erste und die zweite feste Schwenkachse koaxial zueinander erstrekken. Few components and only little installation space are required, if the first and second fixed pivot axes extend coaxially with each other.

Diese Vorteile ergeben sich ebenfalls, wenn die Kurvenscheiben des ersten und des zweiten Kurvengetriebes auf einer gemeinsamen drehbar antreibbaren Antriebswelle drehfest angeordnet sind.These advantages also arise when the cams of the first and the second cam mechanism on a common rotatable drivable drive shaft are arranged rotatably.

Die Kurvenscheibe des ersten und/oder des zweiten Kurvengetriebes können vorzugsweise im etwa mittleren Bereich der Längserstreckung der jeweils zugeordneten Schwinge auf diese Schwinge einwirken.The cam disk of the first and / or the second cam mechanism can preferably in the approximately central region of the longitudinal extent of the each assigned rocker act on this rocker.

Zur Reduzierung der Reibung zwischen Kurvenscheibe und Schwinge kann an der ersten Schwinge eine erste Rolle frei drehbar gelagert sein, die mit ihrer radial umlaufenden Mantelfläche an der radial umlaufenden Kontur der Kurvenscheibe des ersten Kurvengetriebes in Anlage ist sowie an der zweiten Schwinge eine zweite Rolle frei drehbar gelagert sein, die mit ihrer radial umlaufenden Mantelfläche an der radial umlaufenden Kontur des zweiten Kurvengetriebes in Anlage ist.To reduce the friction between the cam and the swing arm a first roller can be freely rotatably mounted on the first rocker, which with its radially circumferential surface on the radially circumferential Contour of the cam disc of the first cam mechanism is in the system as well a second roller can be freely rotatably mounted on the second rocker with its radially circumferential surface on the radially circumferential contour of the second cam mechanism is in system.

Das zweite Kurvengetriebe zum im wesentlichen vertikalen Antrieb eines der Getriebeglieder kann eine sich im wesentlichen vertikal erstreckende Koppel aufweisen, die von einer drehbar antreibbaren Kurvenscheibe des weiteren Kurvengetriebes etwa vertikal bewegbar antreibbar ist, wobei vorzugsweise das Getriebeglied das obere der beiden Getriebeglieder ist. The second cam mechanism for essentially vertical drive one the gear member can be a substantially vertically extending one Have coupling, which is driven by a rotatable cam another cam mechanism can be driven approximately vertically, wherein preferably the transmission link is the upper of the two transmission links.

In einfachem Aufbau kann die Koppel mit ihrem einen Ende an dem einen der Getriebeglieder angelenkt und an ihrem anderen Ende von der Kurvenscheibe des weiteren Kurvengetriebes etwa vertikal bewegbar beaufschlagbar sein.In a simple construction, the paddle can be at one end with one end the transmission links are articulated and at their other end by the cam the further cam mechanism can be moved approximately vertically be acted upon.

Ebenfalls zur Reduzierung der Reibung kann an der Koppel eine dritte Rolle frei drehbar gelagert sein, die mit ihrer radial umlaufenden Mantelfläche an der radial umlaufenden Kontur der Kurvenscheibe des weiteren Kurvengetriebes in Anlage ist.A third can also be used on the coupling to reduce the friction Roll be freely rotatably mounted with its radially circumferential surface on the radial circumferential contour of the cam disc Cam gear is in plant.

Zur etwa vertikal frei bewegbaren Führung des der Kurvenscheibe des zweiten Kurvengetriebes nahen Endes der Koppel ist auf einfache Weise eine mit Ihrem einen Ende um eine dritte feste Schwenkachse frei schwenkbare Rollenschwinge mit ihrem anderen Ende an der Koppel angelenkt.For approximately vertically freely movable guidance of the cam disk second cam gear near the end of the paddock is simple one with one end free around a third fixed pivot axis swiveling roller rocker with its other end articulated on the coupling.

Um Abweichungen von der Vertikalführung gering zu halten ist dazu vorzugsweise die Rollenschwinge nahe der Kurvenscheibe des weiteren Kurvengetriebes an der Koppel angelenkt.In order to keep deviations from the vertical guidance small, it is preferred the roller rocker near the cam further Cam gear articulated to the coupling.

Eine andere Möglichkeit der vertikalen Führung besteht darin, daß die Koppel in einer Axialführung etwa in Richtung ihrer Längserstreckung geführt ist.Another possibility of vertical guidance is that the Coupling guided in an axial guide approximately in the direction of its longitudinal extent is.

Ein besonders bauteilarmer Aufbau und ein besonders geringer Bauraum wird erreicht, wenn die Kurvenscheiben des ersten und/oder zweiten Kurvengetriebes sowie des weiteren Kurvengetriebes auf einer gemeinsamen drehbar antreibbaren Antriebswelle drehfest angeordnet sind.A particularly low-component construction and a particularly small installation space is achieved when the cams of the first and / or second Cam gear and the other cam gear on a common rotatably drivable drive shaft are rotatably arranged.

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

Figur 1
eine schematische Seitenansicht eines Bogenvorderkantentrenners
Figur 2a-2f
die Bewegungsphasen der Doppelsauger des Bogenvorderkantentrenners nach Figur 1.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Figure 1
is a schematic side view of a sheet leading edge separator
Figure 2a-2f
the movement phases of the double suction cups of the sheet leading edge separator according to FIG. 1.

Der dargestellte Bogenvorderkantentrenner besteht aus mindestens zwei im Abstand nebeneinander angeordneten Einheiten, wie eine davon in Figur 1 dargestellt ist.The sheet leading edge separator shown consists of at least two spaced apart units, like one of them in figure 1 is shown.

Diese Einheiten weisen einen Doppelsauger 1 und 1' auf, die eine obere Saugfläche 29 und 29' sowie eine untere Saugfläche 30 und 30' besitzen. Der Doppelsauger 1 ist an einer Saugerkoppel 8 fest angeordnet, an die zwei im Abstand zueinander sich etwa horizontal erstreckende Getriebeglieder 6 und 7 angelenkt sind, wobei das der Saugerkoppel 8 abgewandte Ende des oberen Getriebeglieds 6 mit einer ersten Schwinge 9 und das der Saugerkoppel 8 abgewandte Ende des unteren Getriebeglieds 7 mit einer zweiten Schwinge 10 gelenkig verbunden ist.These units have a double suction device 1 and 1 ', which is an upper one Have suction surface 29 and 29 'and a lower suction surface 30 and 30'. The double suction device 1 is fixed to a suction coupling 8 to which two gear members extending approximately horizontally at a distance from one another 6 and 7 are articulated, with the suction coupling 8 facing away End of the upper gear member 6 with a first rocker 9 and that the suction coupling 8 facing away from the lower gear link 7 a second rocker 10 is articulated.

Beide Schwingen 9 und 10 erstrecken sich im wesentlichen vertikal nach unten und sind mit ihren den Getriebegliedern 6 und7 abgewandten Enden um zueinander koaxial sich erstreckende Schwenkachsen 11 bzw. 13 schwenkbar.Both rockers 9 and 10 extend substantially vertically below and are with their ends facing away from the gear members 6 and 7 about pivot axes 11 and 13, respectively, which extend coaxially with one another pivotable.

Etwa im mittleren Bereich der ersten Schwinge 9 ist eine Rolle 16 frei drehbar gelagert, die mit ihrer radial umlaufenden Mantelfläche 17 an der radial umlaufenden Kontur 18 einer ersten Kurvenscheibe 12 eines ersten Kurvengetriebes in Anlage ist.A roller 16 is free approximately in the central region of the first rocker 9 rotatably mounted, with its radially circumferential surface 17 on the radially circumferential contour 18 of a first cam 12 of a first Cam gear is in plant.

In gleicher Weise ist etwa im mittleren Bereich der zweiten Schwinge 10 eine Rolle 19 frei drehbar gelagert, die mit ihrer radial umlaufenden Mantelfläche 20 an der radial umlaufenden Kontur 21 einer zweiten Kurvenscheibe 14 eines zweiten Kurvengetriebes in Anlage ist. In the same way is approximately in the central region of the second rocker 10 a roller 19 freely rotatably mounted with its radially circumferential surface 20 on the radially circumferential contour 21 of a second cam 14 of a second cam mechanism is in system.

Die Kurvenscheiben 12 und 14 des ersten und zweiten Kurvengetriebes sind auf einer gemeinsamen drehbar antreibbaren Antriebswelle 15 drehfest angeordnet.The cam disks 12 and 14 of the first and second cam mechanisms are rotatably on a common rotatably drivable drive shaft 15 arranged.

Durch die drehbar antreibbaren Kurvenscheiben 12 und 14 sind entsprechend deren Konturen 18 und 21 die Schwingen 9 und 10 im wesentlichen horizontal bewegbar antreibbar, wobei im wesentlichen durch eine Veränderung des Differenzwinkels α zwischen der ersten Schwinge 9 und der zweiten Schwinge 10 die Kippbewegung des Doppelsaugers 1 bewirkt wird.Due to the rotatably driven cams 12 and 14 are corresponding the contours 18 and 21 of the wings 9 and 10 essentially drivable horizontally, essentially by a change of the difference angle α between the first rocker 9 and the second rocker 10 causes the tilting movement of the double suction device 1 becomes.

Etwa im mittleren Bereich des oberen Getriebeglieds 6 ist eine Koppel 22 angelenkt, die sich im wesentlichen vertikal nach unten erstreckt und an ihrem dem oberen Getriebeglied abgewandten Ende eine frei drehbar gelagerte dritte Rolle 24 trägt.A coupling 22 is located approximately in the central region of the upper transmission element 6 hinged, which extends substantially vertically downwards and on its end facing away from the upper gear member a freely rotatably mounted third role 24 carries.

Diese Rolle 24 ist mit ihrer radial umlaufenden Mantelfläche 25 an der radial umlaufenden Kontur 26 einer dritten Kurvenscheibe 23 eines weiteren Kurvengetriebes in Anlage, wobei die dritte Kurvenscheibe 23 neben der ersten und zweiten Kurvenscheibe 12 und 14 ebenfalls auf der Antriebswelle 15 drehfest angeordnet ist und die Koppel 22 und mit ihr das Getriebeglied 6 sowie den Doppelsauger 1 im wesentlichen vertikal bewegbar antreibt.This roller 24 is with its radially circumferential circumferential surface 25 on the radial circumferential contour 26 of a third cam 23 of another Cam gear in system, the third cam 23 next to the first and second cams 12 and 14 also on the drive shaft 15 is arranged rotatably and the coupling 22 and with it the transmission link 6 and the double suction device 1 can be moved essentially vertically drives.

Im Bereich der Drehachse der dritten Rolle 24 ist das eine Ende einer Rollenschwinge 28 an der Koppel 22 angelenkt, wobei das andere Ende der Rollenschwinge 28 um eine dritte feste Schwenkachse 27 frei schwenkbar gelagert ist.In the area of the axis of rotation of the third roller 24, one end is one Roller rocker 28 articulated to the coupling 22, the other end the roller rocker 28 freely about a third fixed pivot axis 27 is pivotally mounted.

Die Antriebswelle 15 wird mit konstanter Winkelgeschwindigkeit angetrieben. Dies führt dazu, daß innerhalb eines zwei Arbeitstakte beinhaltenden Bewegungszyklus des Bogenvorderkantentrenners der Doppelsauger 1 zuerst mit seiner unteren Saugfläche 30 den obersten Bogen 2 im Bereich der Stapelvorderkante 4 eines Bogenstapels 5 erfaßt und zumindest weitgehend senkrecht anhebt. Durch hauptsächlich die Winkeldifferenz α wird dabei der Doppelsauger 1 so gekippt, daß seine untere Saugfläche 30 aus ihrer zur Oberfläche des Bogenstapels 5 parallelen Lage in eine in Förderrichtung 3 vorne höhere Lage als hinten geschwenkt wird. Dabei paßt sich die Saugfläche 30 etwa dem natürlichen Erstreckungsverlauf des mit seinem hinteren Bereich noch auf den Bogenstapel 5 herunterhängenden Bogens 2 an, was dazu führt, daß der Bogen 2 sicherer von dem Doppelsauger 1 gehalten wird und sich nicht ungewollt von der Saugfläche 30 löst. The drive shaft 15 is driven at a constant angular velocity. This leads to the fact that within a two working cycles Movement cycle of the sheet leading edge separator of the double suction cups 1 first with its lower suction surface 30 the uppermost sheet 2 in the area the stack leading edge 4 of a sheet stack 5 is detected and at least largely lifts vertically. Mainly the angle difference α the double suction cup 1 tilted so that its lower suction surface 30 is out their position parallel to the surface of the sheet stack 5 in a direction of conveyance 3 higher position at the front than when swiveled at the rear. It fits the suction surface 30 approximately the natural extension course of the with his rear area still hanging on the sheet stack 5 Sheet 2, which results in the sheet 2 being more secure from the double suction device 1 is held and does not inadvertently move away from the suction surface 30 solves.

In dem angehobenen Zustand gelangt die obere Saugfläche 29 des Doppelsaugers 1 in eine Ebene, in der sich auch die einen weiteren Bogen 2' tragende untere Saugfläche 30' des Doppelsaugers 1' befindet. Dieser Bogen 2' wird nun von der oberen Saugfläche 29 des Doppelsaugers 1 übernommen.In the raised state, the upper suction surface 29 of the double suction device arrives 1 in a plane in which there is also another arch 2 ' carrying lower suction surface 30 'of the double suction device 1'. This Sheet 2 'is now from the upper suction surface 29 of the double suction device 1st accepted.

Der an seiner oberen Saugfläche 29 bereits einen dritten Bogen 2' tragende Doppelsauger 1' bewegt sich nun in Förderrichtung 3 zu einem Bändertisch 31 und übergibt diesen Bogen 2".The one already carrying a third sheet 2 'on its upper suction surface 29 Double suction device 1 'now moves in the conveying direction 3 to a belt table 31 and passes this sheet 2 ".

Gleichzeitig fährt der Doppelsauger 1 über dem vorderen Bereich des Bogenstapels 5 nach oben, so daß der Doppelsauger 1' sich dann unter dem von dem Doppelsauger 1 angehobenen Bogen 2 über den Bogenstapel 5 bewegen und einen weiteren Bogen 2"' erfassen kann.At the same time, the double suction device 1 moves over the front area of the sheet stack 5 upwards, so that the double suction cup 1 'then under the sheet 2 raised by the double suction device 1 over the sheet stack 5 move and can capture another sheet 2 "'.

Nun vollführt der Doppelsauger 1' die eingangs für den Doppelsauger 1 beschriebene Anhubbewegung, während der Doppelsauger 1 die eingangs beschriebene Bewegung des Doppelsaugers 1' vollführt. Now the double suction device 1 'carries out the inputs for the double suction device 1 described lifting movement, while the double suction device 1 the input described movement of the double suction device 1 'is carried out.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1, 1'1, 1 '
DoppelsaugerDoppelsauger
2, 2', 2", 2"'2, 2 ', 2 ", 2 ''
Bogenarc
33
Förderrichtungconveying direction
44
StapelvorderkanteStack front edge
55
Bogenstapelsheet pile
66
Getriebeglied obenGear link above
77
Getriebeglied untenGear link below
88th
Saugerkoppelsuction coupling
99
erste Schwingefirst swingarm
1010
zweite Schwingesecond rocker
1111
erste Schwenkachsefirst pivot axis
1212
erste Kurvenscheibefirst cam
1313
zweite Schwenkachsesecond pivot axis
1414
zweite Kurvenscheibesecond cam
1515
Antriebswelledrive shaft
1616
erste Rollefirst role
1717
Mantelfläche erste RolleLateral surface of the first roll
1818
Kontur erste KurvenscheibeContour of the first cam
1919
zweite Rollesecond role
2020
Mantelfläche zweite RolleLateral surface second role
2121
Kontur zweite KurvenscheibeContour of the second cam
2222
Koppelpaddock
2323
dritte Kurvenscheibethird cam
2424
dritte Rollethird role
2525
Mantelfläche dritte RolleLateral surface third role
2626
Kontur dritte KurvenscheibeContour third cam
2727
dritte Schwenkachsethird pivot axis
2828
Rollenschwingerole rocker
29, 29'29, 29 '
obere Saugflächeupper suction surface
30, 30'30, 30 '
untere Saugflächelower suction surface
3131
Bändertischbelt table

Claims (17)

Bogenvorderkantentrenner mit mehreren nebeneinander angeordneten Doppelsaugern zur taktweisen Förderung von Bogen, wobei die Doppelsauger durch Kurvenkoppelgetriebe angetrieben Bewegungen auf einer geschlossenen Bahn in Förderrichtung der Bogen und zurück ausführen und dabei die Doppelsauger in einem zwei Arbeitstakte aufweisenden Bewegungszyklus um einen Arbeitstakt versetzt nacheinander in den Bereich der Stapelvorderkante eines Bogenstapels zur Erfassung eines Bogens gelangen, wobei die Bewegung jedes Doppelsaugers mittels zweier voneinander beabstandeter Drehgelenke eingeleitet wird, dadurch gekennzeichnet, daß der Mechanismus zum Antreiben des Doppelsaugers (1, 1') einen Getriebefreiheitsgrad von Drei aufweist, derart, daß neben der geschlossenen Bewegungsbahn des Doppelsaugers (1,1') auch dessen Kippwinkel exakt steuerbar ist.Sheet leading edge separator with several side-by-side suction cups arranged for the intermittent conveying of sheets, whereby the double suction cups are driven by cam coupling gears and perform movements on a closed path in the conveying direction of the sheets and back, while the double suction cups are shifted one working stroke into the area of the stack leading edge one after the other of a stack of sheets for detecting a sheet, the movement of each double suction device being initiated by means of two pivot joints spaced apart from one another, characterized in that the mechanism for driving the double suction device (1, 1 ') has a gear freedom of three, such that in addition to the closed movement path of the double suction cup (1,1 '), the tilt angle of which can be precisely controlled. Bogenvorderkantentrenner nach Anspruch 1, dadurch gekennzeichnet, daß der Mechanismus achtgliedrig mit drei unabhängigen Antrieben und drei Gestellpunkten vorgesehen ist. Sheet leading edge separator according to claim 1, characterized in that the mechanism is provided in eight sections with three independent drives and three frame points. Bogenvorderkantentrenner nach einem der vorhergehenden Ansprüche,dadurch gekennzeichnet, daß zwei etwa horizontal verlaufende Getriebeglieder (6, 7) vorhanden sind, deren eine Enden an einer einen Doppelsauger (1,1') tragenden Saugerkoppel (8) in einem etwa vertikalen Abstand voneinander angelenkt sind und deren andere Enden durch ein Kurvengetriebe im wesentlichen horizontal bewegbar antreibbar sind, wobei eines der Getriebeglieder weiterhin von einem weiteren Kurvengetriebe im wesentlichen vertikal bewegbar antreibbar ist und daß jedem Getriebeglied (6, 7) ein im wesentlichen horizontal antreibendes Kurvengetriebe zugeordnet ist.Sheet leading edge separator according to one of the preceding claims, characterized in that there are two approximately horizontally running gear members (6, 7), one ends of which are articulated at an approximately vertical distance from one another on a suction coupling (8) carrying a double suction device (1, 1 ') and the other ends of which can be driven in a substantially horizontally movable manner by means of a cam mechanism, one of the gear members being drivable in a substantially vertically movable manner by a further cam mechanism and that a substantially horizontally driving cam mechanism is associated with each gear element (6, 7). Bogenvorderkantentrenner nach Anspruch 3, dadurch gekennzeichnet, daß an dem der Saugerkoppel (8) entgegengesetzten Ende des einen Getriebeglieds (6) eine sich im wesentlichen vertikal erstreckende erste Schwinge (9) und an dem der Saugerkoppel (8) entgegengesetzten Ende des zweiten Getriebeglieds (7) eine sich im wesentlichen vertikal erstreckende zweite Schwinge (10) angelenkt ist, wobei das dem einen Getriebeglied (6) entgegengesetzte Ende der ersten Schwinge (9) um eine erste feste Schwenkachse (11) von einer drehbar antreibbaren Kurvenscheibe (12) eines ersten Kurvengetriebes und das dem zweiten Getriebeglied (7) entgegengesetzte Ende der zweiten Schwinge (10) um eine zweite feste Schwenkachse (13) von einer drehbar antreibbaren Kurvenscheibe (14) eines zweiten Kurvengetriebes schwenkbar antreibbar ist.Sheet leading edge separator according to claim 3, characterized in that at the end of the one transmission element (6) opposite the suction coupling (8) there is a substantially vertically extending first rocker arm (9) and at the end of the second transmission element (7) opposite the suction coupling (8) ) a substantially vertically extending second rocker (10) is articulated, the end of the first rocker (9) opposite the one gear member (6) about a first fixed pivot axis (11) of a rotatable cam plate (12) of a first cam mechanism and the end of the second rocker (10) opposite the second gear member (7) can be driven to be pivotable about a second fixed pivot axis (13) by a cam disk (14) of a second cam gear that can be driven in rotation. Bogenvorderkantentrenner nach Anspruch 4, dadurch gekennzeichnet, daß sich die erste und die zweite feste Schwenkachse (11, 13) koaxial zueinander erstrecken.Front sheet edge separator according to claim 4, characterized in that the first and second fixed pivot axes (11, 13) extend coaxially to one another. Bogenvorderkantentrenner nach einem der Ansprüche 4 und 5, dadurch gekennzeichnet, daß die Kurvenscheiben (12, 14) des ersten und des zweiten Kurvengetriebes auf einer gemeinsamen drehbar antreibbaren Antriebswelle (15) drehfest angeordnet sind.Sheet leading edge separator according to one of claims 4 and 5, characterized in that the cam discs (12, 14) of the first and second cam mechanisms are arranged on a common rotatably drivable drive shaft (15). Bogenkantentrenner nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß die Kurvenscheiben (12, 14) des ersten und/oder des zweiten Kurvengetriebes im etwa mittleren Bereich der Längserstreckung der jeweils zugeordneten Schwinge (9, 10) auf diese Schwinge (9, 10) einwirken. Curved edge separator according to one of claims 4 to 6, characterized in that the cam plates (12, 14) of the first and / or the second cam mechanism in the approximately central region of the longitudinal extent of the respectively assigned rocker (9, 10) on this rocker (9, 10 ) act. Bogenvorderkantentrenner nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, daß an der ersten Schwinge (9) eine erste Rolle (16) frei drehbar gelagert ist, die mit ihrer radial umlaufenden Mantelfläche (17) an der radial umlaufenden Kontur (18) der Kurvenscheibe (12) des ersten Kurvengetriebes in Anlage ist.Sheet leading edge separator according to one of claims 4 to 7, characterized in that on the first rocker (9) a first roller (16) is freely rotatably mounted, which with its radially circumferential circumferential surface (17) on the radially circumferential contour (18) of the cam disc (12) of the first cam mechanism is in plant. Bogenvorderkantentrenner nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daßanderzweitenSchwinge (10) eine zweite Rolle (19) frei drehbar gelagert ist, die mit ihrer radial umlaufenden Mantelfläche (20) an der radial umlaufenden Kontur (21) des zweiten Kurvengetriebes in Anlage ist.Sheet leading edge separator according to one of Claims 4 to 8, characterized in that the second rocker (10) has a second roller (19) which is freely rotatable and which, with its radially circumferential circumferential surface (20), is in contact with the radially circumferential contour (21) of the second cam mechanism , Bogenvorderkantentrenner nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das weitere Kurvengetriebe zum im wesentlichen vertikalen Antrieb eines der Getriebeglieder (6) eine sich im wesentlichen vertikal erstreckende Koppel (22) aufweist, die von einer drehbar antreibbaren Kurvenscheibe (23) des weiteren Kurvengetriebes etwa vertikal bewegbar antreibbar ist. Bow front edge separator according to one of the preceding claims, characterized in that the further cam mechanism for the essentially vertical drive of one of the gear members (6) has a substantially vertically extending coupling (22), which is driven by a rotatably drivable cam (23) of the further cam mechanism vertically movable is drivable. Bogenvorderkantentrenner nach Anspruch 10, dadurch gekennzeichnet, daß das Getriebeglied (6) das obere der beiden Getriebeglieder (6, 7) ist.Sheet leading edge separator according to claim 10, characterized in that the gear member (6) is the upper of the two gear members (6, 7). Bogenvorderkantentrenner nach einem der Ansprüche 10 und 11, dadurch gekennzeichnet, daßdieKoppel(22)mitihrem einen Ende an dem einen der Getriebeglieder (6) angelenkt und an ihrem anderen Ende von der Kurvenscheibe (23) des weiteren Kurvengetriebes etwa vertikal bewegbar beaufschlagbar ist.Bow front edge separator according to one of claims 10 and 11, characterized in that the coupling (22) is articulated with one end to one of the transmission members (6) and at its other end can be acted upon by the cam disc (23) of the further cam mechanism approximately vertically movable. Bogenvorderkantentrenner nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß an der Koppel (22) eine dritte Rolle (24) frei drehbar gelagert ist, die mit ihrer radial umlaufenden Mantelfläche (25) an der radial umlaufenden Kontur (26) der Kurvenscheibe (23) des weiteren Kurvengetriebes in Anlage ist.Sheet leading edge separator according to one of claims 10 to 12, characterized in that a third roller (24) is freely rotatably mounted on the coupling (22), which has a radially circumferential circumferential surface (25) on the radially circumferential contour (26) of the cam disc (24) 23) of the further cam mechanism is in plant. Bogenvorderkantentrenner nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, daß eine mit ihrem einen Ende um eine dritte feste Schwenkachse (27) frei schwenkbare Rollenschwinge (28) mit ihrem anderen Ende an der Koppel (22) angelenkt ist. Sheet leading edge separator according to one of Claims 10 to 13, characterized in that a roller rocker (28) which is freely pivotable at one end about a third fixed pivot axis (27) is articulated at the coupling (22) at its other end. Bogenvorderkantentrenner nach Anspruch 14, dadurch gekennzeichnet, daß die Rollenschwinge (28) nahe der Kurvenscheibe (23) des weiteren Kurvengetriebes an der Koppel (22) angelenkt ist.Sheet leading edge separator according to Claim 14, characterized in that the roller rocker (28) is articulated on the coupling (22) near the cam disc (23) of the further cam mechanism. Bogenvorderkantentrenner nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß die Koppel in einer Axialführung etwa in Richtung ihrer Längserstreckung geführt ist.Front edge separator according to one of claims 10 to 12, characterized in that the coupling is guided in an axial guide approximately in the direction of its longitudinal extent. Bogenvorderkantentrenner nach einem der vorhergehenden Ansprüche,dadurch gekennzeichnet, daßdieKurvenscheiben (12, 14, 23) des ersten und/oder zweiten Kurvengetriebes sowie des weiteren Kurvengetriebes auf einer gemeinsamen drehbar antreibbaren Antriebswelle (15) drehfest angeordnet sind.Sheet leading edge separator according to one of the preceding claims, characterized in that the cam disks (12, 14, 23) of the first and / or second cam mechanism and the further cam mechanism are arranged on a common rotatably drivable drive shaft (15).
EP02009000A 2001-05-10 2002-04-23 Separator for sheet front edge Expired - Fee Related EP1256531B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10122632A DE10122632A1 (en) 2001-05-10 2001-05-10 Sheet front edge separator
DE10122632 2001-05-10

Publications (2)

Publication Number Publication Date
EP1256531A1 true EP1256531A1 (en) 2002-11-13
EP1256531B1 EP1256531B1 (en) 2004-09-15

Family

ID=7684230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02009000A Expired - Fee Related EP1256531B1 (en) 2001-05-10 2002-04-23 Separator for sheet front edge

Country Status (3)

Country Link
EP (1) EP1256531B1 (en)
AT (1) ATE276187T1 (en)
DE (2) DE10122632A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078886A (en) * 2016-06-24 2016-11-09 平湖英厚机械有限公司 Three-knife trimming cam controls synchronous conveyer band uncoupling gear

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE842349C (en) * 1950-09-05 1952-06-26 Karl Theodor Lang Device for the formation of a continuously flowing arched path from scaled staggered arches
DE9209663U1 (en) * 1992-07-18 1992-10-22 KBA-Planeta AG, O-8122 Radebeul Drive for sheet leading edge separator
DE4200393A1 (en) * 1992-01-10 1993-07-15 Modler Karl Heinz Prof Dr Rer Lift-off for staggered paper feed - has pairs of suction grips on five part linkages to feed sheets onto collating table
DE4220399A1 (en) * 1992-06-22 1993-12-23 Kba Planeta Ag Drive for leading edge separator for sheet delivery units - has first and second curved coupling gears with associated cam gearing to ensure accurate position of suction members during their circular movements
DE19515398A1 (en) * 1995-04-26 1996-10-31 Roland Man Druckmasch Separator for sheet front edge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE842349C (en) * 1950-09-05 1952-06-26 Karl Theodor Lang Device for the formation of a continuously flowing arched path from scaled staggered arches
DE4200393A1 (en) * 1992-01-10 1993-07-15 Modler Karl Heinz Prof Dr Rer Lift-off for staggered paper feed - has pairs of suction grips on five part linkages to feed sheets onto collating table
DE4220399A1 (en) * 1992-06-22 1993-12-23 Kba Planeta Ag Drive for leading edge separator for sheet delivery units - has first and second curved coupling gears with associated cam gearing to ensure accurate position of suction members during their circular movements
DE9209663U1 (en) * 1992-07-18 1992-10-22 KBA-Planeta AG, O-8122 Radebeul Drive for sheet leading edge separator
DE19515398A1 (en) * 1995-04-26 1996-10-31 Roland Man Druckmasch Separator for sheet front edge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078886A (en) * 2016-06-24 2016-11-09 平湖英厚机械有限公司 Three-knife trimming cam controls synchronous conveyer band uncoupling gear

Also Published As

Publication number Publication date
DE50200984D1 (en) 2004-10-21
DE10122632A1 (en) 2002-11-21
ATE276187T1 (en) 2004-10-15
EP1256531B1 (en) 2004-09-15

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