EP1310443A2 - Sheet feeder - Google Patents

Sheet feeder Download PDF

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Publication number
EP1310443A2
EP1310443A2 EP02022666A EP02022666A EP1310443A2 EP 1310443 A2 EP1310443 A2 EP 1310443A2 EP 02022666 A EP02022666 A EP 02022666A EP 02022666 A EP02022666 A EP 02022666A EP 1310443 A2 EP1310443 A2 EP 1310443A2
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EP
European Patent Office
Prior art keywords
sheet
double suction
suction cups
sheet feeder
feeder according
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
EP02022666A
Other languages
German (de)
French (fr)
Other versions
EP1310443B1 (en
EP1310443A3 (en
Inventor
Marc Hinz
Holger Dr. Ing. Wiese
Uwe Dr.-Ing. Bäsel
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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Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1310443A2 publication Critical patent/EP1310443A2/en
Publication of EP1310443A3 publication Critical patent/EP1310443A3/en
Application granted granted Critical
Publication of EP1310443B1 publication Critical patent/EP1310443B1/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
    • B65H3/08—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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/331—Skewing, correcting skew, i.e. changing slightly orientation of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/344—Suction grippers circulating in closed loop

Definitions

  • the invention relates to a sheet feeder for cyclical conveyance of arches, with a leading edge separator that is two at a distance has two pairs of suction cups arranged side by side, the Double suction cups driven by gears on a closed movement Run the path in the conveying direction of the sheets and back and the double suction cups of a pair of double suction cups in two work cycles having a movement cycle offset by one work cycle in succession get into the area of the stack leading edge, each Double suction cup has a suction surface on its top and bottom and the lower suction surface of a double suction cup of a pair of double suction cups the top sheet of a sheet stack is detected and raised and in the raised state to the upper suction surface of the arranged next to it other double suction cups of this pair of double suction cups for further transport passes to a transport device up to a sheet transfer and the movement cycles of the pair of suction cups are approximately the same.
  • Such known sheet feeders have the advantage that they are very high working speeds with high positional accuracy of the funded Arch can be achieved.
  • the position accuracy of the funded Bow but from the positional accuracy of the leading edge of the top Arc of the stack of sheets or the positional accuracy of the leading edge of the stack dependent on the sheet stack. Switch these leading edges in the sheet conveying direction and / or offset obliquely from one to the sheet conveying direction right-angled target position, the sheets are also passed on to Transport device with this deviation from the target position.
  • the object of the invention is therefore a sheet feeder of the type mentioned Art and to create a process by which the funded Transfer the sheet to the transport device in the correct position become.
  • This object is achieved in that the movement cycle the double suction cup of at least one pair of double suction cups in the area of the sheet transfer to the transport device a phase difference leading and / or lagging the movement cycle the double suction cup of the other pair of suction cups is adjustable is.
  • the phase difference can occur during the entire movement cycle be effective or only in the area of the sheet transfer to the Transport means.
  • the motion cycle can either be by phase difference steps or by an infinitely adjustable phase difference can be set in advance and / or lag his.
  • the movement cycle can be done by the operator the sheet feeder manually adjustable and / or lagging in which this e.g. actuated an adjusting device by means of a button.
  • This is e.g. advantageous if the entire stack of sheets is even Inclined so that only for the entire stack of sheets a single adjustment is required.
  • Phase adjustment gear can be connected upstream.
  • the gears are advantageously one or both pairs of double suction cups driven by a common drive, so that the structure of the sheet feeder simply designed and the required space can be kept low.
  • each transmission of a pair of double suction cups can be driven by its own individual drive and one or both individual drives can be adjusted in advance and / or lag.
  • the deviation of the stack leading edge or the leading edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction can be detected by a sensor system and a corresponding signal for actuating a forward and forward / or lag of the movement cycle of one or both pairs of double suction cups can be generated.
  • phase adjustment mechanism or one or both of the signals Individual drives can be controlled.
  • the object of the invention is further achieved in that the Extension of the closed path of at least one pair of suction cups at its front and / or rear end in the conveying direction in and / or extendable against the conveying direction of the sheets and / or can be shortened.
  • the extension of the closed path can either be gradual or but also be continuously adjustable and / or shortenable.
  • An extension that can be manually extended and / or shortened The closed path is beneficial when the entire stack of sheets has a uniform inclined position, so that for the entire stack of sheets only one adjustment is required.
  • extension can be extended automatically and / or can be shortened.
  • An easy way to adjust the extent of the closed Track is that the gearbox of one or more pairs of double suction cups one or more extending approximately in the conveying direction Has swing, of which at least one each on a double suction cup a pair of suction cups is articulated and the wings that are articulated on the double suction cups of this pair of double suction cups, in
  • the longitudinal extension can be lengthened and / or shortened or is adjustable whose position is adjustable in or against the direction of conveyance.
  • the adjustable rockers can easily be a spindle drive or have a piezo actuator through which the longitudinal extension the swing arm is adjustable.
  • Another advantageous training is that the position of the Swivel axis at the opposite end of the double suction cup Swing arm is adjustable in or against the conveying direction.
  • a sheet conveyed by the sheet feeder from one to the sheet conveying direction rectangular target position can be detected by a sensor system and a corresponding one Signal to control an extension and / or shortening the extension of the closed path of at least one pair of suction cups be generated.
  • Another method of feeding and handing over sheets correctly Location to a transport device by a sheet feeder in that the deviation of the stack leading edge or the leading edge a sheet conveyed by the sheet feeder to one to the sheet conveying direction rectangular target position is recorded and accordingly the Extension of the closed path of at least one pair of suction cups at its front and / or rear end in the conveying direction in and / or against the conveying direction of the sheets during a movement cycle can be extended and / or shortened.
  • the sheet feeders shown in the figures have a front edge separator, with which the top sheet 1 of a sheet stack 2 detected and fed to a transport device 3 for further transport becomes.
  • the transport device is a conveyor table with two at a distance Endless suction belts arranged in relation to each other 4, only the takeover-side deflection roller 5 being shown.
  • the transport device is an overhead gripper.
  • the sheet leading edge separators have two transversely to the sheet conveying direction 6 at a distance next to each other over the front edge 8 of the stack of sheets 2 arranged pairs of suction cups 7, 7 ', the double suction cups 9, 9 ', 9 ", 9'” through gear 10, 10 ', 10 "10"', in particular coupling gear are drivable.
  • the double suction cups 9, 9 ', 9 ", 9'” perform movements in a movement cycle on a closed path 11 in the sheet conveying direction 6 and back out.
  • the double suction cups 9, 9 ', or 9 ", 9 '" of a pair of double suction cups 7 or 7' in two work cycles having a movement cycle offset by one work cycle in succession in the area of the stack leading edge 8.
  • Each double suction device 9, 9 ', 9 “, 9”' has a lower suction surface 12 on it Bottom and an upper suction surface 13 on its top.
  • the lower suction surfaces 12 which are in their lower locking position (FIG. 3 a or 5 c) double suction cups 9, 9 "located above the stack leading edge 8 capture the top sheet 1 of the sheet stack 2, lift it (figure 3 b) up to their upper locking position ( Figure 3 c or 5 a).
  • the double suction cups 9, 9 "then move in again along the path 11 the lower rest position.
  • Double suction cups 9, 9 '9 “, 9”' capture the position of the front edge 8 of the stack and supply appropriate signals to control electronics, not shown. By comparing these signals with data of a given direction of sheet conveyance 6 rectangular target positions are possible distance and / or Angular deviations of the stack leading edge 8 in the areas of the two pairs of double suction cups 7, 7 'and corresponding correction signals generated.
  • the correction signals are used in the exemplary embodiment in FIGS to 3 c, not shown, upstream of the gearboxes of the double suction pairs 7, 7 ' Phase adjustment gear controlled so that accordingly a detected leading or lagging position of the leading edge of the stack 8 a lag or lead by a corresponding phase difference the movement cycle of the respective double suction device 9, 9 ', 9 "or 9"' takes place. Oblique positions of the leading edge 8 of the stack thus lead to a front or Lagging of the double suction device 9 with respect to the double suction device 9 "or of the double suction device 9 'compared to the double suction device 9 "', as in the figures 1, 3 b and 3 d can be seen.
  • the pair of double suction cups has 7 opposite the pair of double suction cups 7 'have a phase difference in their movement cycle, the opposite of the measured deviation of the arc from the measured inclined position of the arch and thus compensates for it.
  • the phase difference is the double suction cup 9 and 9 "and 9 'and 9" against the detected deviation in the direction of sheet conveyance.
  • the sheet is then handed over to the Transport device 3 with a leading edge of the sheet, which is rectangular to the sheet conveying direction 6 and without deviation in the sheet conveying direction is aligned from the target position.
  • the basic movement is up to the adjustability of the Embodiment of Figures 4 to 5 c equal to that of the embodiment of Figures 1 to 3 c.
  • double suction cups 9, of which one is shown, driven by gears 10, which is a four-bar link have two approximately parallel to each other, approximately in the conveying direction 6 extending wings 16 and 17.
  • the wings 16 and 17 are spaced apart articulated one above the other on the double suction device 9.
  • the other ends are designed as threaded spindles and protrude through them with their threaded part spindle drive housing 18 and 19.
  • This Spindle drive housings 18 and 19 are at right angles to their longitudinal axis extending pivot axes pivotable in bearings 20 and 21 stored.
  • the Swing 16 and 17 By drives in the spindle drive housings 18 and 19, the Swing 16 and 17 the distance between their articulation points on the Double suction cup 9 and the bearings 20 and 21 enlarging or reducing can be set. By a different degree of adjustment also an adjustment of the inclination of the suction surfaces 12 and 13 of the double suction cup 9 can be reached.
  • a pivot rod extending against the rocker 17 22 arranged, at the free end of a roller 23 mounted freely rotatable is that on the radially circumferential surface of a rotatably drivable Cam 24 is in plant.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Die Bonding (AREA)

Abstract

Sheet feeder for cyclic transport of sheets has a sheet forward edge separator with two adjacent double suction pairs. Each double suction pair comprises two double suction units (9, 9). The movement cycle of the double suction units of the double suction pairs has a phase difference (15) at least in the region of the sheet hand over position to the transport unit (3). The phase difference can be adjusted so that it is positive or negative. <??>The invention also relates to a corresponding method.

Description

Die Erfindung bezieht sich auf einen Bogenanleger zur taktweisen Förderung von Bogen, mit einem Bogenvorderkantentrenner, der zwei im Abstand nebeneinander angeordnete Doppelsaugerpaare aufweist, deren Doppelsauger durch Getriebe angetrieben Bewegungen auf einer geschlossenen Bahn in Förderrichtung der Bogen und zurück ausführen und dabei die Doppelsauger eines Doppelsaugerpaares in einem zwei Arbeitstakte aufweisenden Bewegungszyklus um einen Arbeitstakt versetzt nacheinander in den Bereich der Stapelvorderkante gelangen, wobei jeder Doppelsauger je eine Saugfläche auf seiner Ober- und Unterseite besitzt und die untere Saugfläche eines Doppelsaugers eines Doppelsaugerpaares den obersten Bogen eines Bogenstapels erfaßt und anhebt sowie im angehobenen Zustand an die obere Saugfläche des daneben angeordneten anderen Doppelsaugers dieses Doppelsaugerpaares zum Weitertransport bis zu einer Bogenübergabe an eine Transporteinrichtung übergibt sowie die Bewegungszyklen der Doppelsaugerpaare etwa gleich sind.The invention relates to a sheet feeder for cyclical conveyance of arches, with a leading edge separator that is two at a distance has two pairs of suction cups arranged side by side, the Double suction cups driven by gears on a closed movement Run the path in the conveying direction of the sheets and back and the double suction cups of a pair of double suction cups in two work cycles having a movement cycle offset by one work cycle in succession get into the area of the stack leading edge, each Double suction cup has a suction surface on its top and bottom and the lower suction surface of a double suction cup of a pair of double suction cups the top sheet of a sheet stack is detected and raised and in the raised state to the upper suction surface of the arranged next to it other double suction cups of this pair of double suction cups for further transport passes to a transport device up to a sheet transfer and the movement cycles of the pair of suction cups are approximately the same.

Derartige bekannte Bogenanleger haben den Vorteil, daß durch sie sehr hohe Arbeitsgeschwindigkeiten bei hoher Lagegenauigkeit der geförderten Bogen erzielt werden können. Dabei ist die Lagegenauigkeit der geförderten Bogen aber von der Lagegenauigkeit der Vorderkante des obersten Bogens des Bogenstapels bzw. der Lagegenauigkeit der Stapelvorderkante des Bogenstapels abhängig. Weichen diese Vorderkanten in Bogenförderrichtung und/oder schrägversetzt von einer zur Bogenförderrichtung rechtwinkligen Sollage ab, erfolgt auch eine Weitergabe der Bogen an die Transporteinrichtung mit dieser Abweichung von der Sollage.Such known sheet feeders have the advantage that they are very high working speeds with high positional accuracy of the funded Arch can be achieved. The position accuracy of the funded Bow but from the positional accuracy of the leading edge of the top Arc of the stack of sheets or the positional accuracy of the leading edge of the stack dependent on the sheet stack. Switch these leading edges in the sheet conveying direction and / or offset obliquely from one to the sheet conveying direction right-angled target position, the sheets are also passed on to Transport device with this deviation from the target position.

Aufgabe der Erfindung ist es daher einen Bogenanleger der eingangs genannten Art sowie ein Verfahren zu schaffen, durch den bzw. das die geförderten Bogen der Transporteinrichtung in korrekter Position übergeben werden.The object of the invention is therefore a sheet feeder of the type mentioned Art and to create a process by which the funded Transfer the sheet to the transport device in the correct position become.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Bewegungszyklus der Doppelsauger zumindest eines Doppelsaugerpaares wenigstens im Bereich der Bogenübergabe an die Transporteinrichtung um eine Phasendifferenz vor- und/oder nacheilend gegenüber dem Bewegungszyklus der Doppelsauger des anderen Doppelsaugerpaares einstellbar ist.This object is achieved in that the movement cycle the double suction cup of at least one pair of double suction cups in the area of the sheet transfer to the transport device a phase difference leading and / or lagging the movement cycle the double suction cup of the other pair of suction cups is adjustable is.

Da nur der Bewegungszyklus eines Doppelsaugerpaares um die Phasendifferenz vor- oder nacheilend geändert wird, ist bei der Bogenübergabe an die Transporteinrichtung die Bogenvorderkante im Bereich dieses Doppelsaugerpaares entsprechend vor- oder nacheilend der Bogenvorderkante im Bereich des anderen Doppelsaugerpaares. Dadurch wird eine entgegengesetzte Schräglage des obersten Bogens des Bogenstapels kompensiert, so daß die Bogen mit ihrer Vorderkante rechtwinklig zur Bogenförderrichtung an die Transporteinrichtung weitergegeben werden.Since only the movement cycle of a pair of double suction cups by the phase difference is changed before or after, is when the sheet is handed over the leading edge of the sheet in the area of this pair of suction cups to the transport device correspondingly leading or lagging the leading edge of the sheet in the area of the other pair of double suction cups. This will be an opposite Compensated for the inclined position of the top sheet of the sheet stack, so that the sheet with its front edge perpendicular to the sheet conveying direction be passed on to the transport device.

Ist bei dem obersten Bogen des Bogenstapels auch eine Abweichung in Bogenförderrichtung von der Sollage vorhanden, wird diese Abweichung durch Vor- oder Nacheilen der Doppelsauger beseitigt.There is also a deviation in the top sheet of the sheet stack If the sheet is conveyed from the target position, this deviation becomes eliminated by leading or lagging the double suction cups.

Dabei kann die Phasendifferenz während des gesamten Bewegungszyklus wirksam sein oder auch nur im Bereich der Bogenübergabe an die Transporteinrichtung.The phase difference can occur during the entire movement cycle be effective or only in the area of the sheet transfer to the Transport means.

Der Bewegungszyklus kann entweder um Phasendifferenzschritte oder um eine stufenlos einstellbare Phasendifferenz vor- und/oder nacheilend einstellbar sein.The motion cycle can either be by phase difference steps or by an infinitely adjustable phase difference can be set in advance and / or lag his.

In einer einfachen Ausbildung kann der Bewegungszyklus von dem Bediener des Bogenanlegers manuell vor- und/oder nacheilend einstellbar sein, in dem dieser z.B. mittels eines Tasters eine Verstelleinrichtung betätigt. Dies ist z.B. vorteilhaft, wenn der gesamte Bogenstapel eine gleichmäßige Schräglage aufweist, so daß für den gesamten Bogenstapel nur eine einzige Verstellung erforderlich ist.In a simple design, the movement cycle can be done by the operator the sheet feeder manually adjustable and / or lagging in which this e.g. actuated an adjusting device by means of a button. This is e.g. advantageous if the entire stack of sheets is even Inclined so that only for the entire stack of sheets a single adjustment is required.

Soll aber eine Korrektur abhängig von der Lage jedes einzelnen Bogens erfolgen, so ist es von Vorteil, wenn der Bewegungszyklus selbsttätig vorund/oder nacheilend einstellbar ist.But a correction should depend on the position of each individual sheet take place, it is advantageous if the movement cycle automatically before and / or lagging is adjustable.

Als eine einfache Möglichkeit zum Einstellen des Vor- oder Nacheilens kann dem Getriebe eines oder mehrerer Doppelsaugerpaare ein einstellbares Phasenverstellgetriebe vorgeschaltet werden.As an easy way to set the lead or lag the gearbox of one or more pairs of double suction cups can be adjusted Phase adjustment gear can be connected upstream.

Dabei sind vorteilhafterweise die Getriebe eines oder beider Doppelsaugerpaare von einem gemeinsamen Antrieb antreibbar, so daß der Aufbau des Bogenanlegers einfach ausgebildet und der erforderliche Bauraum gering gehalten werden kann.The gears are advantageously one or both pairs of double suction cups driven by a common drive, so that the structure of the sheet feeder simply designed and the required space can be kept low.

Eine andere Möglichkeit besteht darin, daß jedes Getriebe eines Doppelsaugerpaares von einem eigenen Einzelantrieb antreibbar ist und ein oder beide Einzelantriebe vor- und/oder nacheilend einstellbar sind.
Um den Bewegungszyklus auf einfache Art und Weise selbsttätig vorund/oder nacheilend einstellen zu können, kann die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung rechtwinkligen Sollage durch eine Sensorik erfaßbar und ein entsprechendes Signal zur Ansteuerung einer Vor- und/oder Nacheilung des Bewegungszyklus eines oder beider Doppelsaugerpaare erzeugbar sein.Another possibility is that each transmission of a pair of double suction cups can be driven by its own individual drive and one or both individual drives can be adjusted in advance and / or lag.
In order to be able to set the movement cycle automatically in a simple manner before and / or afterwards, the deviation of the stack leading edge or the leading edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction can be detected by a sensor system and a corresponding signal for actuating a forward and forward / or lag of the movement cycle of one or both pairs of double suction cups can be generated.

Dazu kann von dem Signal das Phasenverstellgetriebe oder ein oder beide Einzelantriebe ansteuerbar sein.For this purpose, the phase adjustment mechanism or one or both of the signals Individual drives can be controlled.

Die erfindungsgemäße Aufgabe wird weiterhin dadurch gelöst, daß die Erstreckung der geschlossenen Bahn zumindest eines Doppelsaugerpaares an ihrem in Förderrichtung vorderen und/oder hinteren Ende in und/oder entgegen der Förderrichtung der Bogen verlängerbar und/oder verkürzbar einstellbar ist.The object of the invention is further achieved in that the Extension of the closed path of at least one pair of suction cups at its front and / or rear end in the conveying direction in and / or extendable against the conveying direction of the sheets and / or can be shortened.

Damit kann der Transportweg des Bogens im Übergabebereich an die Transporteinrichtung verlängert oder verkürzt werden. Weiterhin ist es möglich, die Stelle, an der ein Sauger den Bogen erfaßt, weiter in Bogenförderrichtung vorzuverlegen oder entgegen der Bogenförderrichtung zurückzuverlegen. Damit ist sowohl eine Schräglage der Bogen als auch eine Abweichung der Bogen in Bogenförderrichtung von einer Sollage kompensierbar. This enables the sheet to be transported in the transfer area to the Transport device can be extended or shortened. Furthermore it is possible, the point at which a suction grips the sheet further in the sheet conveying direction move forward or move back against the direction of sheet conveyance. This means that the bow is inclined as well as one Deviation of the sheets in the sheet conveying direction from a target position can be compensated.

Die Erstreckung der geschlossenen Bahn kann entweder schrittweise oder aber auch stufenlos verlängerbar und/oder verkürzbar einstellbar sein.The extension of the closed path can either be gradual or but also be continuously adjustable and / or shortenable.

Eine manuell verlängerbar und/oder verkürzbar einstellbare Erstreckung der geschlossenen Bahn ist von Vorteil, wenn der gesamte Bogenstapel eine gleichmäßige Schräglage aufweist, so daß für den gesamten Bogenstapel nur eine einzige Verstellung erforderlich ist.An extension that can be manually extended and / or shortened The closed path is beneficial when the entire stack of sheets has a uniform inclined position, so that for the entire stack of sheets only one adjustment is required.

Soll aber eine Korrektur abhängig von der Lage jedes einzelnen Bogens erfolgen, so ist es von Vorteil, wenn die Erstreckung selbsttätig verlängerbar und/oder verkürzbar einstellbar ist.But a correction should depend on the position of each individual sheet take place, it is advantageous if the extension can be extended automatically and / or can be shortened.

Eine einfache Möglichkeit zur Einstellung der Erstreckung der geschlossenen Bahn besteht darin, daß das Getriebe eines oder mehrerer Doppelsaugerpaare eine oder mehrere sich etwa in Förderrichtung erstreckende Schwingen aufweist, von denen zumindest jeweils eine an einem Doppelsauger eines Doppelsaugerpaares angelenkt ist und die Schwingen, die an den Doppelsaugern dieses Doppelsaugerpaares angelenkt sind, in Längserstreckung verlängerbar und/oder verkürzbar einstellbar sind oder deren Position etwa in oder entgegen der Förderrichtung verstellbar ist.An easy way to adjust the extent of the closed Track is that the gearbox of one or more pairs of double suction cups one or more extending approximately in the conveying direction Has swing, of which at least one each on a double suction cup a pair of suction cups is articulated and the wings that are articulated on the double suction cups of this pair of double suction cups, in The longitudinal extension can be lengthened and / or shortened or is adjustable whose position is adjustable in or against the direction of conveyance.

Dazu können in einfacher Weise die einstellbaren Schwingen einen Spindeltrieb oder ein Piezostellglied aufweisen, durch das die Längserstrekkung der Schwinge einstellbar ist.For this purpose, the adjustable rockers can easily be a spindle drive or have a piezo actuator through which the longitudinal extension the swing arm is adjustable.

Eine ebenfalls vorteilhafte Ausbildung besteht darin, daß die Position der Schwenkachse an dem dem Doppelsauger entgegengesetzten Ende der Schwinge etwa in oder entgegen der Förderrichtung verstellbar ist.Another advantageous training is that the position of the Swivel axis at the opposite end of the double suction cup Swing arm is adjustable in or against the conveying direction.

Um auf einfache Art und Weise eine selbsttätige Verstellung zu ermöglichen, kann die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung rechtwinkligen Sollage durch eine Sensorik erfaßbar und ein entsprechendes Signal zur Ansteuerung einer Verlängerung und/oder Verkürzung der Erstreckung der geschlossenen Bahn zumindest eines Doppelsaugerpaares erzeugbar sein.In order to enable automatic adjustment in a simple manner, can be the deviation of the stack leading edge or the leading edge a sheet conveyed by the sheet feeder from one to the sheet conveying direction rectangular target position can be detected by a sensor system and a corresponding one Signal to control an extension and / or shortening the extension of the closed path of at least one pair of suction cups be generated.

Weiterhin wird die gestellte Aufgabe durch ein Verfahren zur Zuförderung und Übergabe von Bogen in korrekter Lage zu einer Transporteinrichtung durch einen Bogenanleger gelöst, wenn die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung rechtwinkligen Sollage erfaßt und entsprechend der Bewegungszyklus der Doppelsauger zumindest eines Doppelsaugerpaares wenigstens im Bereich der Bogenübergabe an die Transporteinrichtung um eine Phasendifferenz vor- und/oder nacheilend eingestellt wird.Furthermore, the task set by a procedure for funding and transfer of sheets in the correct position to a transport device solved by a sheet feeder if the deviation of the stack leading edge or the leading edge of a sheet fed by the sheet feeder detected by a nominal position perpendicular to the sheet conveying direction and according to the movement cycle of the double suction cups at least one Pair of double suction cups at least in the area of the sheet transfer to the Transport device leading and / or lagging by a phase difference is set.

Ein weiteres Verfahren zur Zuförderung und Übergabe von Bogen in korrekter Lage zu einer Transporteinrichtung durch einen Bogenanleger besteht darin, daß die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens zu einer zur Bogenförderrichtung rechtwinkligen Sollage erfaßt und entsprechend die Erstreckung der geschlossenen Bahn zumindest eines Doppelsaugerpaares an ihrem in Förderrichtung vorderen und/oder hinteren Ende in und/oder entgegen der Förderrichtung der Bogen während eines Bewegungszyklus verlängerbar und/oder verkürzbar eingestellt wird.Another method of feeding and handing over sheets correctly Location to a transport device by a sheet feeder in that the deviation of the stack leading edge or the leading edge a sheet conveyed by the sheet feeder to one to the sheet conveying direction rectangular target position is recorded and accordingly the Extension of the closed path of at least one pair of suction cups at its front and / or rear end in the conveying direction in and / or against the conveying direction of the sheets during a movement cycle can be extended and / or shortened.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben. Es zeigen

Figur 1
eine Seitenansicht eines Ausschnitts eines ersten Ausführungsbeispiels eines Bogenanlegers
Figur 2
eine Draufsicht auf einen Ausschnitt eines Bogenanlegers nach Figur 1
Figur 3 a
eine schematische Seitenansicht des Bogenanlegers nach Figur 1 in der unteren Raststellung eines Doppelsaugers
Figur 3 b
eine schematische Seitenansicht des Bogenanlegers nach Figur 1 während der Hubbewegung eines Doppelsaugers
Figur 3 c
eine schematische Seiteansicht des Bogenanlegers nach Figur 1 in der oberen Raststellung eines Doppelsaugers
Figur 3 d
eine schematische Seitenansicht des Bogenanlegers nach Figur 1 in der Bogenübergabestellung eines Doppelsaugers zu einer Transporteinrichtung.
Figur 4
eine Seitenansicht eines Ausschnitts eines zweiten Ausführungsbeispiels eines Bogenanlegers
Figur 5 a
eine schematische Seitenansicht des Bogenanlegers nach Figur 4 in der unteren und oberen Raststellung der Doppel sauger eines Doppelsaugerpaares
Figur 5 b
eine schematische Seitenansicht des Bogenanlegers nach Figur 4 in der Bogenübergabestellung zu einer TransporteinRichtung der Doppelsauger eines Doppelsaugerpaares
Figur 5 c
eine schematische Seitenansicht des Bogenanlegers nach Figur 4 in der unteren und oberen Raststellung der Doppelsauger eines Doppelsaugerpaares.
Embodiments of the invention are shown in the drawing and are described in more detail below. Show it
Figure 1
a side view of a section of a first embodiment of a sheet feeder
Figure 2
a plan view of a section of a sheet feeder according to Figure 1
Figure 3 a
is a schematic side view of the sheet feeder of Figure 1 in the lower locking position of a double suction cup
Figure 3 b
is a schematic side view of the sheet feeder of Figure 1 during the lifting movement of a double suction device
Figure 3 c
a schematic side view of the sheet feeder of Figure 1 in the upper locking position of a double suction cup
Figure 3 d
is a schematic side view of the sheet feeder of Figure 1 in the sheet transfer position of a double suction device to a transport device.
Figure 4
a side view of a section of a second embodiment of a sheet feeder
Figure 5 a
is a schematic side view of the sheet feeder of Figure 4 in the lower and upper locking position of the double suction cups of a pair of double suction cups
Figure 5 b
a schematic side view of the sheet feeder of Figure 4 in the sheet transfer position to a transport device of the double suction cups of a pair of double suction cups
Figure 5 c
is a schematic side view of the sheet feeder of Figure 4 in the lower and upper locking position of the double suction cups of a pair of double suction cups.

Die in den Figuren dargestellten Bogenanleger besitzen einen Bogenvorderkantentrenner, mit denen der jeweils oberste Bogen 1 eines Bogenstapels 2 erfaßt und einer Transporteinrichtung 3 zum Weitertransport zugeführt wird.The sheet feeders shown in the figures have a front edge separator, with which the top sheet 1 of a sheet stack 2 detected and fed to a transport device 3 for further transport becomes.

Die Transporteinrichtung ist in Figur 1 ein Bändertisch mit um zwei im Abstand zueinander angeordneten Umlenkrollen geführten endlosen Saugbändern 4, wobei nur die übernahmeseitige Umlenkrolle 5 dargestellt ist. In Figur 5 ist die Transporteinrichtung ein obenliegender Vorgreifer.In Figure 1, the transport device is a conveyor table with two at a distance Endless suction belts arranged in relation to each other 4, only the takeover-side deflection roller 5 being shown. In Figure 5, the transport device is an overhead gripper.

Die Bogenvorderkantentrenner besitzen zwei quer zur Bogenförderrichtung 6 im Abstand nebeneinander über der Stapelvorderkante 8 des Bogenstapels 2 angeordnete Doppelsaugerpaare 7, 7', deren Doppelsauger 9, 9', 9", 9'" durch Getriebe 10, 10', 10" 10"', insbesondere Koppelgetriebe antreibbar sind. Die Doppelsauger 9, 9', 9", 9'" führen Bewegungen in einem Bewegungszyklus auf einer geschlossenen Bahn 11 in Bogenförderrichtung 6 und zurück aus. Dabei gelangen die Doppelsauger 9, 9', bzw. 9", 9'" eines Doppelsaugerpaares7 bzw. 7' in einem zwei Arbeitstakte aufweisenden Bewegungszyklus um einen Arbeitstakt versetzt nacheinander in den Bereich der Stapelvorderkante 8.The sheet leading edge separators have two transversely to the sheet conveying direction 6 at a distance next to each other over the front edge 8 of the stack of sheets 2 arranged pairs of suction cups 7, 7 ', the double suction cups 9, 9 ', 9 ", 9'" through gear 10, 10 ', 10 "10"', in particular coupling gear are drivable. The double suction cups 9, 9 ', 9 ", 9'" perform movements in a movement cycle on a closed path 11 in the sheet conveying direction 6 and back out. The double suction cups 9, 9 ', or 9 ", 9 '" of a pair of double suction cups 7 or 7' in two work cycles having a movement cycle offset by one work cycle in succession in the area of the stack leading edge 8.

Jeder Doppelsauger 9, 9', 9", 9"' besitzt eine untere Saugfläche 12 an seiner Unterseite und eine obere Saugfläche 13 an seiner Oberseite. Die unteren Saugflächen 12 der sich in ihrer unteren Raststellung (Figur 3 a bzw. 5 c) über der Stapelvorderkante 8 befindlichen Doppelsauger 9, 9" erfassen den obersten Bogen 1 des Bogenstapels 2, heben ihn an (Figur 3 b) bis in ihre obere Raststellung (Figur 3 c bzw 5 a). In der oberen Raststellung sind die anderen Doppelsauger 9' 9''' der Doppelsaugerpaare 7, 7' mit ihren oberen Saugflächen 13 unter den von den Doppelsaugern 9, 9" angehobenen Bogen 1 gefahren, übernehmen diesen Bogen mit ihren oberen Saugflächen 13 und bewegen sich weiter bis in ihre Bogenübergabestellung (Figur 3 d bzw. 5 b). In der Bogenübergabestellung wird von den oberen Saugflächen 13 der Doppelsauger 9', 9"' der Bogen an die Transporteinrichtung 3 übergeben und von dieser zu einer Bogen verarbeitenden Maschine weitertransportiert.Each double suction device 9, 9 ', 9 ", 9"' has a lower suction surface 12 on it Bottom and an upper suction surface 13 on its top. The lower suction surfaces 12 which are in their lower locking position (FIG. 3 a or 5 c) double suction cups 9, 9 "located above the stack leading edge 8 capture the top sheet 1 of the sheet stack 2, lift it (figure 3 b) up to their upper locking position (Figure 3 c or 5 a). In the upper resting position are the other double suction cups 9 '9' '' of the double suction cup pairs 7, 7 'with their upper suction surfaces 13 under those of the double suction devices 9, 9 "raised sheet 1, take over this sheet with their upper suction surfaces 13 and continue to move into their sheet transfer position (Figure 3 d and 5 b). In the sheet transfer position from the upper suction surfaces 13 of the double suction cups 9 ', 9 "' of the bow to the Transfer transport device 3 and from this to a sheet processing Machine transported further.

Die Doppelsauger 9, 9" bewegen sich dann entlang der Bahn 11 wieder in die untere Raststellung. The double suction cups 9, 9 "then move in again along the path 11 the lower rest position.

An den Doppelsaugern 9, 9', 9", 9"' sind in Bogenförderrichtung 6 vor den unteren Saugflächen 12 optische Sensoren 14 angeordnet, die beim Ausführungsbeispiel der Figuren 1 bis 3 d in der unteren Raststellung der Doppelsauger 9, 9' 9", 9"' die Lage der Stapelvorderkante 8 erfassen und entsprechende Signale einer nicht dargestellten Steuerelektronik zuleiten. Durch Vergleich dieser Signale mit Daten einer vorgegebenen zur Bogenförderrichtung 6 rechtwinkligen Sollage werden mögliche Abstandsund/oder Winkelabweichungen der Stapelvorderkante 8 in den Bereichen der beiden Doppelsaugerpaare 7, 7' festgestellt und entsprechende Korrektursignale erzeugt.On the double suction cups 9, 9 ', 9 ", 9"' are in the sheet conveying direction 6 in front of the lower suction surfaces 12 optical sensors 14 arranged in the embodiment of Figures 1 to 3 d in the lower locking position Double suction cups 9, 9 '9 ", 9"' capture the position of the front edge 8 of the stack and supply appropriate signals to control electronics, not shown. By comparing these signals with data of a given direction of sheet conveyance 6 rectangular target positions are possible distance and / or Angular deviations of the stack leading edge 8 in the areas of the two pairs of double suction cups 7, 7 'and corresponding correction signals generated.

Bei dem Ausführungsbeispiel der Figuren 4 bis 5 c wird in der oberen Raststellung die Lage der Vorderkante des von der oberen Saugfläche 13 gehaltenen Bogens erfaßt und entsprechende Signale zum Vergleich und zur Erzeugung entsprechender Korrektursignale der Steuerelektronik zugeleitet.In the embodiment of Figures 4 to 5 c is in the upper Locking position the position of the front edge of the upper suction surface 13th held arc detected and corresponding signals for comparison and fed to the control electronics for generating corresponding correction signals.

Mit den Korrektursignalen werden beim Ausführungsbeispiel der Figuren 1 bis 3 c nicht dargestellte, den Getrieben der Doppelsaugerpaare 7, 7' vorgeschaltete Phasenverstellgetriebe derart angesteuert, daß entsprechend einer erfaßten voreilenden oder nacheilenden Lage der Stapelvorderkante 8 eine Nacheilung oder Voreilung um eine entsprechende Phasendifferenz des Bewegungszyklus des jeweiligen Doppelsaugers 9, 9', 9" oder 9"' erfolgt. Schräglagen der Stapelvorderkante 8 führen so zu einem Vor- oder Nacheilen des Doppelsaugers 9 gegenüber dem Doppelsauger 9" oder des Doppelsaugers 9' gegenüber dem Doppelsauger 9"', wie in den Figuren 1, 3 b und 3 d zu erkennen ist.The correction signals are used in the exemplary embodiment in FIGS to 3 c, not shown, upstream of the gearboxes of the double suction pairs 7, 7 ' Phase adjustment gear controlled so that accordingly a detected leading or lagging position of the leading edge of the stack 8 a lag or lead by a corresponding phase difference the movement cycle of the respective double suction device 9, 9 ', 9 "or 9"' takes place. Oblique positions of the leading edge 8 of the stack thus lead to a front or Lagging of the double suction device 9 with respect to the double suction device 9 "or of the double suction device 9 'compared to the double suction device 9 "', as in the figures 1, 3 b and 3 d can be seen.

Bei einem Ausgleich in Bogenförderrichtung 6 erfolgt ein entsprechendes Vor- oder Nacheilen von Doppelsaugern beider Doppelsaugerpaare 7, 7'.With a compensation in the sheet conveying direction 6, a corresponding one takes place Leading or lagging of double suction cups of both double suction cup pairs 7, 7 '.

In der Bogenübergabestellung besitzt das Doppelsaugerpaar 7 gegenüber dem Doppelsaugerpaar 7' eine Phasendifferenz in ihrem Bewegungszyklus, die entgegengesetzt zur gemessenen Abweichung des Bogens von der gemessenen Schräglage des Bogens ist und diese somit kompensiert. Bei erfaßter Abweichung in Bogenförderrichtung ist die Phasendifferenz der Doppelsauger 9 und 9" sowie 9' und 9" entgegen der erfaßten Abweichung in Bogenförderrichtung. Damit erfolgt die Bogenübergabe an die Transporteinrichtung 3 mit einer Vorderkante des Bogens, die rechtwinklig zur Bogenförderrichtung 6 und ohne Abweichung in Bogenförderrichtung von der Sollage ausgerichtet ist.In the sheet transfer position, the pair of double suction cups has 7 opposite the pair of double suction cups 7 'have a phase difference in their movement cycle, the opposite of the measured deviation of the arc from the measured inclined position of the arch and thus compensates for it. When the deviation in the sheet conveying direction is detected, the phase difference is the double suction cup 9 and 9 "and 9 'and 9" against the detected deviation in the direction of sheet conveyance. The sheet is then handed over to the Transport device 3 with a leading edge of the sheet, which is rectangular to the sheet conveying direction 6 and without deviation in the sheet conveying direction is aligned from the target position.

Während des Rückhubs der Doppelsauger 9, 9', 9" und 9"' von der Bogenübergabestellung zur Transporteinrichtung 3 in die untere Raststellung erfolgt ein Zurückfahren der Doppelsauger 9, 9', 9" und 9"' wieder in ihre Normalstellung um zu einer Korrektur im nächsten Bewegungszyklus wieder bereit zu sein.During the return stroke of the double suction cups 9, 9 ', 9 "and 9"' from the sheet transfer position to the transport device 3 in the lower locking position the double suction cups 9, 9 ', 9 "and 9"' move back into their Normal position to make a correction in the next movement cycle again to be ready.

Der grundsätzliche Bewegungsablauf ist bis auf die Verstellbarkeit beim Ausführungsbeispiel der Figuren 4 bis 5 c gleich dem des Ausführungsbeispiels der Figuren 1 bis 3 c.The basic movement is up to the adjustability of the Embodiment of Figures 4 to 5 c equal to that of the embodiment of Figures 1 to 3 c.

Bei dem Ausführungsbeispiel in Figur 4 sind Doppelsauger 9, von denen einer dargestellt ist, von Getrieben 10 antreibbar, die ein Gelenkviereck aufweisen, das zwei zueinander etwa parallele, sich in etwa in Förderrichtung 6 erstreckende Schwingen 16 und 17 aufweist.In the embodiment in Figure 4 are double suction cups 9, of which one is shown, driven by gears 10, which is a four-bar link have two approximately parallel to each other, approximately in the conveying direction 6 extending wings 16 and 17.

Mit ihren einen Enden sind die Schwingen 16 und 17 im Abstand zueinander übereinander an dem Doppelsauger 9 angelenkt.With one end, the wings 16 and 17 are spaced apart articulated one above the other on the double suction device 9.

Ihre anderen Enden sind als Gewindespindeln ausgebildet und durchragen mit ihrem Gewindeteil Spindelantriebsgehäuse 18 und 19. Diese Spindelantriebsgehäuse 18 und 19 sind um zu ihrer Längsachse rechtwinklig sich erstreckende Schwenkachsen schwenkbar in Lagern 20 und 21 gelagert. The other ends are designed as threaded spindles and protrude through them with their threaded part spindle drive housing 18 and 19. This Spindle drive housings 18 and 19 are at right angles to their longitudinal axis extending pivot axes pivotable in bearings 20 and 21 stored.

Durch Antriebe in den Spindelantriebsgehäusen 18 und 19 können die Schwingen 16 und 17 den Abstand zwischen ihren Anlenkpunkten an dem Doppelsauger 9 und den Lagern 20 und 21 vergrößernd oder verringernd eingestellt werden. Durch ein unterschiedliches Maß der Verstellung kann weiterhin auch eine Verstellung der Neigung der Saugflächen 12 und 13 des Doppelsaugers 9 erreicht werden.By drives in the spindle drive housings 18 and 19, the Swing 16 and 17 the distance between their articulation points on the Double suction cup 9 and the bearings 20 and 21 enlarging or reducing can be set. By a different degree of adjustment also an adjustment of the inclination of the suction surfaces 12 and 13 of the double suction cup 9 can be reached.

Dadurch kann die Bahn, auf der der Doppelsauger 9 bewegt wird, an ihrem vorderen oder hinteren Ende in Förderrichtung 6 verlängert oder verkürzt werden.This allows the web on which the double suction device 9 is moved on her front or rear end in the conveying direction 6 extended or shortened become.

Zur Erzeugung der geschlossenen Bahn ist an dem Spindelantriebsgehäuse 19 eine sich entgegen der Schwinge 17 erstreckende Schwenkstange 22 angeordnet, an deren freien Ende eine Rolle 23 frei drehbar gelagert ist, die an der radial umlaufenden Mantelfläche einer drehbar antreibbaren Kurvenscheibe 24 in Anlage ist. To create the closed path is on the spindle drive housing 19 a pivot rod extending against the rocker 17 22 arranged, at the free end of a roller 23 mounted freely rotatable is that on the radially circumferential surface of a rotatably drivable Cam 24 is in plant.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
oberster Bogentop bow
22
Bogenstapelsheet pile
33
Transporteinrichtungtransport means
44
Saugbandsuction belt
55
Umlenkrolleidler pulley
66
BogenförderrichtungSheet conveying direction
77
DoppelsaugerpaarDoppelsauger couple
7'7 '
DoppelsaugerpaarDoppelsauger couple
88th
StapelvorderkanteStack front edge
99
DoppelsaugerDoppelsauger
9'9 '
DoppelsaugerDoppelsauger
9"9 "
DoppelsaugerDoppelsauger
9"'9 " '
DoppelsaugerDoppelsauger
1010
Getriebetransmission
10'10 '
Getriebetransmission
10"10 "
Getriebetransmission
10"'10 " '
Getriebetransmission
1111
Bahntrain
1212
untere Saugflächelower suction surface
1313
obere Saugflächeupper suction surface
1414
Sensorsensor
1515
Phasendifferenzphase difference
1616
Schwingewing
1717
Schwingewing
1818
SpindelantriebsgehäuseSpindle drive housing
1919
SpindelantriebsgehäuseSpindle drive housing
2020
Lagercamp
2121
Lagercamp
2222
Schwenkstangepivot bar
2323
Rollerole
2424
Kurvenscheibecam

Claims (22)

Bogenanleger zur taktweisen Förderung von Bogen, mit einem Bogenvorderkantentrenner, der zwei im Abstand nebeneinander angeordnete Doppelsaugerpaare aufweist, deren Doppelsauger durch Getriebe angetrieben Bewegungen auf einer geschlossenen Bahn in Förderrichtung der Bogen und zurück ausführen und dabei die Doppelsauger eines Doppelsaugerpaares in einem zwei Arbeitstakte aufweisenden Bewegungszyklus um einen Arbeitstakt versetzt nacheinander in den Bereich der Stapelvorderkante gelangen, wobei jeder Doppelsauger je eine Saugfläche auf seiner Ober- und Unterseite besitzt und die untere Saugfläche eines Doppelsaugers eines Doppelsaugerpaars den obersten Bogen eines Bogenstapels erfaßt und anhebt sowie im angehobenen Zustand an die obere Saugfläche des daneben angeordneten anderen Doppelsaugers dieses Doppelsaugerpaares zum Weitertransport bis zu einer Bogenübergabe an eine Transporteinrichtung übergibt sowie die Bewegungszyklen der Doppelsaugerpaare etwa gleich sind, dadurch gekennzeichnet, daß der Bewegungszyklus der Doppelsauger (9,9'), zumindest eines Doppelsaugerpaares (7) wenigstens im Bereich der Bogenübergabe an die Transporteinrichtung (3) um eine Phasendifferenz (15) vor- und/oder nacheilend einstellbar ist. Sheet feeder for the cyclical conveying of sheets, with a sheet leading edge separator, which has two pairs of double suction cups arranged at a distance from one another, the double suction cups of which are driven by gears and perform movements on a closed path in the conveying direction of the sheets and back, thereby reversing the double suction cups of a pair of double suction cups in a movement cycle comprising two working cycles a work cycle staggered one after the other in the area of the stack leading edge, each double suction cup has a suction surface on its top and bottom and the lower suction surface of a double suction cup of a pair of double suction cups detects and raises the uppermost sheet of a stack of sheets and, when raised, to the upper suction surface of the next arranged other double suction cups of this pair of double suction cups for further transport up to a sheet transfer to a transport device and the movement cycles of the double suction cups are approximately the same, thereby gek indicates that the movement cycle of the double suction cups (9, 9 '), at least one pair of double suction cups (7), can be adjusted in advance and / or lagging by a phase difference (15) at least in the area of the sheet transfer to the transport device (3). Bogenanleger nach Anspruch 1, dadurch gekennzeichnet, daß der Bewegungszyklus um Phasendifferenzschritte vor- und/oder nacheilend einstellbar ist.Sheet feeder according to claim 1, characterized in that the movement cycle can be adjusted in advance and / or lag by phase difference steps. Bogenanleger nach Anspruch 1,dadurch gekennzeichnet, daß der Bewegungszyklus um eine stufenlos einstellbare Phasendifferenz vor- und/oder nacheilend einstellbar ist.Sheet feeder according to claim 1, characterized in that the movement cycle can be adjusted in advance and / or lagging by an infinitely adjustable phase difference. Bogenanleger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Bewegungszyklus manuell vor- und/oder nacheilend einstellbar ist.Sheet feeder according to one of the preceding claims, characterized in that the movement cycle can be adjusted manually in advance and / or lag. Bogenanleger nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Bewegungszyklus selbsttätig vorund/oder nacheilend einstellbar ist.Sheet feeder according to one of claims 1 to 3, characterized in that the movement cycle can be set automatically before and / or afterwards. Bogenanleger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dem Getriebe (10,10',10",10"') eines oder mehrerer Doppelsaugerpaare (7,7') ein einstellbares Phasenverstellgetriebe vorgeschaltet ist. Sheet feeder according to one of the preceding claims, characterized in that the gear (10, 10 ', 10 ", 10"') of one or more pairs of double suction cups (7, 7 ') is preceded by an adjustable phase adjustment gear. Bogenanleger nach Anspruch 6, dadurch gekennzeichnet, daß die Getriebe (10,10',10",10"') der Doppelsauger (9, 9', 9", 9"') eines oder beider Doppelsaugerpaare (7,7') von einem gemeinsamen Antrieb antreibbar sind.Sheet feeder according to claim 6, characterized in that the gears (10, 10 ', 10 ", 10"') of the double suction cups (9, 9 ', 9 ", 9"') of one or both pairs of double suction cups (7, 7 ') from a common drive can be driven. Bogenanleger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß jedes Getriebe eines Doppelsaugerpaares von einem eigenen Einzelantrieb antreibbar ist und ein oder beide Einzelantriebe vor- und/oder nacheilend einstellbar sind.Sheet feeder according to one of claims 1 to 5, characterized in that each gear of a pair of double suction cups can be driven by its own individual drive and one or both individual drives can be adjusted in advance and / or lag. Bogenanleger nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die Abweichung der Stapelvorderkante (8) oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung (6) rechtwinkligen Sollage durch eine Sensorik erfaßbar und ein entsprechendes Signal zur Ansteuerung einer Vor- und/oder Nacheilung des Bewegungszyklusses eines oder beider Doppelsaugerpaare (7,7') erzeugbar ist.Sheet feeder according to one of claims 5 to 7, characterized in that the deviation of the stack front edge (8) or the front edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction (6) can be detected by a sensor system and a corresponding signal for controlling a pre-feed and / or lag of the movement cycle of one or both pairs of double suction cups (7, 7 ') can be generated. Bogenanleger nach Anspruch 9, dadurch gekennzeichnet, daß von dem Signal das Phasenverstellgetriebe oder ein oder beide Einzelantriebe ansteuerbar sind. Sheet feeder according to claim 9, characterized in that the phase adjustment mechanism or one or both individual drives can be controlled by the signal. Bogenanleger nach dem Oberbegriff des Anspruchs 1, dadurch gekennzeichnet, daß die Erstreckung der geschlossenen Bahn zumindest eines Doppelsaugerpaares an ihrem in Förderrichtung (6) vorderen und/oder hinteren Ende in und/oder entgegen der Förderrichtung (6) der Bogen während eines Bewegungszyklus verlängerbar und/oder verkürzbar einstellbar ist.Sheet feeder according to the preamble of claim 1, characterized in that the extent of the closed web of at least one pair of double suction cups at its front and / or rear end in the conveying direction (6) in and / or counter to the conveying direction (6) of the sheet can be extended during a movement cycle and / or can be shortened. Bogenanleger nach Anspruch 11, dadurch gekennzeichnet, daß die Erstreckung der geschlossenen Bahn schrittweise verlängerbar und/oder verkürzbar einstellbar ist.Sheet feeder according to claim 11, characterized in that the extent of the closed web can be gradually extended and / or shortened. Bogenanleger nach Anspruch 11, dadurch gekennzeichnet, daß die Erstreckung der geschlossenen Bahn stufenlos verlängerbar und/oder verkürzbar einstellbar ist.Sheet feeder according to claim 11, characterized in that the extent of the closed web can be continuously extended and / or shortened. Bogenanleger nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß die Erstreckung manuell verlängerbar und /oder verkürzbar einstellbar ist. Sheet feeder according to one of claims 11 to 13, characterized in that the extension can be extended and / or shortened manually. Bogenanleger nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß die Erstreckung selbsttätig verlängerbar und/oder verkürzbar einstellbar ist.Sheet feeder according to one of claims 11 to 13, characterized in that the extension can be automatically extended and / or shortened. Bogenanleger nach einem der Ansprüche 11 bis 15, dadurch gekennzeichnet, daß das Getriebe (10) eines oder mehrerer Doppelsaugerpaare eine oder mehrere sich etwa in Förderrichtung (6) erstreckende Schwingen (16, 17) aufweist, von denen zumindest jeweils eine an einem Doppelsauger (9) eines Doppelsaugerpaares angelenkt ist und die Schwingen (16, 17), die an den Doppelsaugern (9) dieses Doppelsaugerpaares angelenkt sind, in Längserstreckung verlängerbar und/oder verkürzbar einstellbar sind oder deren Position etwa in oder entgegen der Förderrichtung verstellbar ist.Sheet feeder according to one of claims 11 to 15, characterized in that the gear (10) of one or more pairs of double suction cups has one or more rockers (16, 17) extending approximately in the conveying direction (6), at least one of which is attached to a double suction cup ( 9) of a pair of double suction cups is articulated and the rockers (16, 17), which are articulated on the double suction cups (9) of this pair of double suction cups, can be extended and / or shortened in the longitudinal direction or their position can be adjusted approximately in or against the conveying direction. Bogenanleger nach Anspruch 16, dadurch gekennzeichnet, daß die einstellbaren Schwingen (16, 17) einen Spindeltrieb aufweisen, durch den die Längserstreckung der Schwingen (16, 17) einstellbar ist.Sheet feeder according to claim 16, characterized in that the adjustable rockers (16, 17) have a spindle drive by means of which the longitudinal extension of the rockers (16, 17) can be adjusted. Bogenanleger nach Anspruch 16, dadurch gekennzeichnet, daß die einstellbaren Schwingen ein Piezostellglied aufweisen, durch das die Längserstreckung der Schwinge einstellbar ist. Sheet feeder according to claim 16, characterized in that the adjustable rockers have a piezo actuator through which the longitudinal extension of the rocker is adjustable. Bogenanleger nach Anspruch 16, dadurch gekennzeichnet, daß die Position der Schwenkachse an dem dem Doppelsauger entgegengesetzen Ende der Schwinge etwa in oder entgegen der Förderrichtung verstellbar ist.Sheet feeder according to claim 16, characterized in that the position of the pivot axis at the end of the rocker opposite the double suction cup is adjustable approximately in or against the conveying direction. Bogenanleger nach einem der Ansprüche 15 bis 19, dadurch gekennzeichnet, daß die Abweichung der Stapelvorderkante (8) oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung (6) rechtwinkligen Sollage durch eine Sensorik (14) erfaßbar und ein entsprechendes Signal zur Ansteuerung einer Verlängerung und/oder Verkürzung der Erstreckung der geschlossenen Bahn zumindest eines Doppelsaugerpaares erzeugbar ist.Sheet feeder according to one of claims 15 to 19, characterized in that the deviation of the stack front edge (8) or the front edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction (6) can be detected by a sensor system (14) and a corresponding signal for actuation an extension and / or shortening of the extent of the closed path of at least one pair of suction cups can be generated. Verfahren zur Zuförderung und Übergabe von Bogen in korrekter Lage zu einer Transporteinrichtung durch einen Bogenanleger nach dem Oberbegriff des Anspruchs 1, dadurch gekennzeichnet, daß die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung rechtwinkligen Sollage erfaßt und entsprechend der Bewegungszyklus der Doppelsauger zumindest eines Doppelsaugerpaares wenigstens im Bereich der Bogenübergabe an die Transporteinrichtung um eine Phasendifferenz vor- und/oder nacheilend eingestellt wird. A method for feeding and transferring sheets in the correct position to a transport device by a sheet feeder according to the preamble of claim 1, characterized in that the deviation of the stack leading edge or the front edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction is detected and in accordance with the movement cycle the double suction device of at least one pair of suction devices is set at least in the area of the sheet transfer to the transport device in advance and / or lagging by a phase difference. Verfahren zur Zuförderung und Übergabe von Bogen in korrekter Lage zu einer Transporteinrichtung durch einen Bogenanleger nach dem Oberbegriff des Anspruchs 11, dadurch gekennzeichnet, daß die Abweichung der Stapelvorderkante oder der Vorderkante eines vom Bogenanleger geförderten Bogens von einer zur Bogenförderrichtung rechtwinkligen Sollage erfaßt und entsprechend die Erstrekkung der geschlossenen Bahn zumindest eines Doppelsaugerpaares an ihrem in Förderrichtung vorderen und/oder hinteren Ende in und/oder entgegen der Förderrichtung der Bogen während eines Bewegungszyklus verlängerbar und/oder verkürzbar eingestellt wird.A method for feeding and transferring sheets in the correct position to a transport device by a sheet feeder according to the preamble of claim 11, characterized in that the deviation of the leading edge of the stack or the leading edge of a sheet conveyed by the sheet feeder from a nominal position perpendicular to the sheet conveying direction is detected and accordingly the extent the closed path of at least one pair of double suction cups is set at its front and / or rear end in the conveying direction in and / or counter to the conveying direction of the sheet so that it can be lengthened and / or shortened during a movement cycle.
EP02022666A 2001-10-18 2002-10-10 Sheet feeder and corresponding method Expired - Lifetime EP1310443B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10151484 2001-10-18
DE10151484A DE10151484B4 (en) 2001-10-18 2001-10-18 sheet feeder

Publications (3)

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EP1310443A2 true EP1310443A2 (en) 2003-05-14
EP1310443A3 EP1310443A3 (en) 2004-10-27
EP1310443B1 EP1310443B1 (en) 2006-03-08

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EP02022666A Expired - Lifetime EP1310443B1 (en) 2001-10-18 2002-10-10 Sheet feeder and corresponding method

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EP (1) EP1310443B1 (en)
AT (1) ATE319639T1 (en)
DE (2) DE10151484B4 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1466850A2 (en) * 2003-04-10 2004-10-13 Koenig &amp; Bauer Aktiengesellschaft Sheet feeder for the separation of sheets
JP2005320163A (en) * 2004-05-04 2005-11-17 Mabeg Maschinenbau Gmbh & Co Kg Front edge sheet feed device
JP2005320167A (en) * 2004-05-04 2005-11-17 Mabeg Maschinenbau Gmbh & Co Kg Front edge sheet feed device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10356107B4 (en) * 2003-11-27 2021-05-27 Mabeg Systems Gmbh Sheet feeder with leading edge separation and contactless stack scanning
DE10356303B4 (en) * 2003-11-28 2011-10-06 Manroland Ag Sheet feeder with front edge separation and compact double suction
DE102006050740A1 (en) * 2006-10-27 2008-04-30 Koenig & Bauer Aktiengesellschaft Device for driving sheet arrangement in sheet processing machine, has oscillating device, which collects sheets, supplied on feed table, where device transports downstream cylinder, supported on oscillating shaft
DE102006050742A1 (en) * 2006-10-27 2008-05-08 Koenig & Bauer Aktiengesellschaft Sheet system driving device for sheet processing machine, has swinging system with swing that is driven by linkage, and drives attached to swing and driven within working cycle independent of each other in leading or lagging manner
DE102020124432B4 (en) 2020-09-18 2022-07-07 Koenig & Bauer Ag Feeder of a sheet processing machine and method for detecting and/or correcting sheets that differ in position and/or dimensions in a feeder of a sheet processing machine

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Publication number Priority date Publication date Assignee Title
DE1177652B (en) * 1956-04-07 1964-09-10 Georg Spiess Dr Ing Sheet feeding device with two suction nozzles that can be swiveled together around a pendular axis
DE1220445B (en) * 1965-04-17 1966-07-07 Leipzig Veb Druckmasch Werke Device for separating and conveying the top sheet of a stack of sheets with the help of suction devices
DE4331610A1 (en) * 1993-09-17 1995-03-23 Roland Man Druckmasch Sheet feeder unit
EP0673867A1 (en) * 1994-03-26 1995-09-27 Heidelberger Druckmaschinen Aktiengesellschaft Apparatus for correcting skewed sheets in a sheet feeder of a printing machine
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
DE1177652B (en) * 1956-04-07 1964-09-10 Georg Spiess Dr Ing Sheet feeding device with two suction nozzles that can be swiveled together around a pendular axis
DE1220445B (en) * 1965-04-17 1966-07-07 Leipzig Veb Druckmasch Werke Device for separating and conveying the top sheet of a stack of sheets with the help of suction devices
DE4331610A1 (en) * 1993-09-17 1995-03-23 Roland Man Druckmasch Sheet feeder unit
EP0673867A1 (en) * 1994-03-26 1995-09-27 Heidelberger Druckmaschinen Aktiengesellschaft Apparatus for correcting skewed sheets in a sheet feeder of a printing machine
DE19515398A1 (en) * 1995-04-26 1996-10-31 Roland Man Druckmasch Separator for sheet front edge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1466850A2 (en) * 2003-04-10 2004-10-13 Koenig &amp; Bauer Aktiengesellschaft Sheet feeder for the separation of sheets
EP1466850A3 (en) * 2003-04-10 2008-01-02 Koenig &amp; Bauer Aktiengesellschaft Sheet feeder for the separation of sheets
JP2005320163A (en) * 2004-05-04 2005-11-17 Mabeg Maschinenbau Gmbh & Co Kg Front edge sheet feed device
JP2005320167A (en) * 2004-05-04 2005-11-17 Mabeg Maschinenbau Gmbh & Co Kg Front edge sheet feed device

Also Published As

Publication number Publication date
DE10151484B4 (en) 2005-07-28
ATE319639T1 (en) 2006-03-15
DE10151484A1 (en) 2003-05-08
EP1310443B1 (en) 2006-03-08
EP1310443A3 (en) 2004-10-27
DE50205997D1 (en) 2006-05-04

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