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EP0813496B1 - Stacked sheet separating device - Google Patents

Stacked sheet separating device Download PDF

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Publication number
EP0813496B1
EP0813496B1 EP97905020A EP97905020A EP0813496B1 EP 0813496 B1 EP0813496 B1 EP 0813496B1 EP 97905020 A EP97905020 A EP 97905020A EP 97905020 A EP97905020 A EP 97905020A EP 0813496 B1 EP0813496 B1 EP 0813496B1
Authority
EP
European Patent Office
Prior art keywords
sheet
movement
sheets
stack
intermediate tray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97905020A
Other languages
German (de)
French (fr)
Other versions
EP0813496A1 (en
Inventor
Maximilian Helmstädter
Josef Batzer
Karl Zimmermann
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.)
Boewe Systec AG
Original Assignee
Boewe Systec AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boewe Systec AG filed Critical Boewe Systec AG
Publication of EP0813496A1 publication Critical patent/EP0813496A1/en
Application granted granted Critical
Publication of EP0813496B1 publication Critical patent/EP0813496B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/04Endless-belt separators
    • B65H3/042Endless-belt separators separating from the bottom of the pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/063Rollers or like rotary separators separating from the bottom of pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/60Loosening articles in piles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H83/00Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such
    • B65H83/02Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such performed on the same pile or stack

Definitions

  • the invention relates to a sheet stack feeder, the scales a multitude of leaves pulls out of a larger stack of sheets from below and then isolated.
  • a known sheet stack feeder comprises a sheet guiding device to accommodate a larger stack of Scroll, which is behind you in the paper flow direction Intermediate compartment is arranged in the stack or peeled off like scales from the bottom of the stack Leaves are introduced. From the bottom area of the Intermediate folds are in the known sheet pile feeder in the same conveying direction in which the Scaly stream of leaves placed in the intermediate compartment single sheets for subsequent processing deducted.
  • the stack of sheets is in the Paper flow direction or sheet flow direction behind the Intermediate compartment, so that the shingled stream corresponding to the intermediate compartment is fed, and the paper stream of the isolated Sheets that are pulled from the intermediate compartment, the have the same direction of flow.
  • DE-PS 22 03 626 discloses a device for removal of sheets from a main stack with one on top of the Underside of the main stack pulling device, an arrangement downstream of the trigger device Formation of an intermediate stack of limited height and one acting on the bottom sheet of the intermediate stack second extraction device with downstream separating device, the at least two on the fed sheet acting with different peripheral speed Conveyor elements and at least one from above on the supplied sheet acting brake assembly. Further the main stack is inclined to the intermediate stack, causing the Delivery level of the first extraction device with the lower one located conveyor level of the second trigger device forms an acute angle, and being used to limit the height of the Intermediate stack a controlling the first take-off device Key switch is arranged in the area of the intermediate stack. On the free movement of those subtracted from the main stack Stoppering leaves has the key switch. Furthermore, the conveying direction of the second extraction device opposite to the conveying direction of the first extraction device.
  • the present Invention Based on this prior art, the present Invention, the object of a sheet stack feeder to create that with little Effort for processing different sheet formats can be adjusted.
  • the sheet stack feeder comprises a sheet guide device for receiving a stack of Scrolling, an intermediate compartment, a flaking device for stack-like or scale-like pulling out together of sheets from the bottom of the in the sheet guide picked up stack and for insertion the same in a first direction of movement into the intermediate compartment and a sheet separating device for the individual Pull out the bottom sheet from the intermediate compartment in a direction substantially to the first direction of movement opposite second direction of movement.
  • the sheet stack feeder can change the position of an active when changing the format Transport device for the removal of the individual Keep sheets regardless of the format of the sheets will. In a preferred embodiment it is only required the location of a stop within to adjust the intermediate subject.
  • a belt conveyor section of a belt conveyor provided against which in the second Direction of movement of the front sheet edge in the intermediate compartment leaves are in contact, which makes them in the second Direction of movement of the front edge of the sheets is forced to is led to the sheet separation device, whereby extremely reliable, jam-free and fast operation of the sheet pile feeder is reached.
  • a sheet pile feeder which in the single Fig. In is designated in its entirety with reference number 1, comprises a sheet guiding device 2 as main components to hold a stack 3 of sheets, an intermediate compartment 4, a scale-forming device 5 for stack-like or scale-like pulling out of leaves together the bottom of the recorded in the sheet guide device 2 Stack 3 and to introduce the same in one first direction of movement in the intermediate compartment 4, as well as a Sheet separation device 6 for pulling out individually of the bottom sheet from the intermediate compartment 4 in one to the first direction of movement essentially opposite second direction of movement.
  • the scale formation device 5 has in the bottom region 7 the sheet guide device 2 a first, second and third Transport roller on.
  • the first transport roller 8 is in the essentially in the center below the stack 3, so that on them most of the weight of the stack 3 is heavy. While the second and third transport rollers 9, 10 during the operation of the sheet pile feeder essentially are continuously driven, is the drive of the first transport roller 8 by a clutch (not shown) depending on one below too explanatory control can be switched off.
  • the separation point 14 is through the approach area between a fixed separating roller 15 and a removal roller 16, which at the singling point 14 with such a small one Are spaced from each other that the removal roller 16 only a single sheet between her and the Separation roller 15 can pull through.
  • a non-driven roller 17 Suspended resiliently above the third transport roller 10 is a non-driven roller 17 in the vertical direction movably mounted.
  • the vertical position of the roller 17 will detected by a sensor (not shown) which responds when a maximum value of the thickness of the between the Roll 17 and the third transport roller 10 moved through Scale flow is exceeded, whereupon by opening the Coupling of the first transport roller 8 is stopped.
  • a sensor not shown
  • the second and third transport roller 9, 10 and Round belt 11 continues, whereby the scale spacing of the Intermediate compartment 4 shed stream supplied can be enlarged and thus the shingled stream stretches until the of the Roll 17 detected thickness of the scale flow back to one desired setpoint is shut down when it is recorded the sensor in turn the clutch of the first transport roller 8 closes and this moves again transferred.
  • a stop 19 provided on the second belt section 13 of the round belt 11 opposite side of the intermediate compartment 4 , the location of which depends on the Format of the processed by the sheet pile feeder 1 Leaves parallel to a bottom area 18 of the intermediate compartment can be adjusted.
  • the bottom area 18 of the intermediate compartment 4 is towards the separation point 14 arranged inclined, whereby the sheets located in the intermediate compartment 4 with its left edge in the figure against the second Belt section 13 of the round belt 11 abut.
  • Friction belt 20 In the bottom area 18 of the intermediate compartment 4 is a Friction belt 20 extending parallel to the floor area via three guide rollers 21 to 23 and a drive roller 24 out, the friction belt 20 in the way is driven that that lying on it in each case bottom sheet within the intermediate compartment 4 to the Isolation point 14 is pushed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Conveyance By Endless Belt Conveyors (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

A stacked sheet separating device comprises a sheet guide (2) to accept a stack (3) of sheets, a buffer section (4), a steam feeder (5) for extracting sheets in stacks and/or plies from the bottom of the stack (3) in the sheet guide (2) and taking them in a first direction of movement into the buffer section (4), a sheet separator (6) for individually extracting the lowest sheet from the buffer section (4) in a second direction of movement substantially opposite to the first and a guide device (13) in the buffer section (4) to guide the leading edge of the sheets in said buffer section (4) in the second direction of movement, in which the guide device (13) is constructed in such a way that it moves the leading edges of the sheets in the second direction of movement within the buffer section (4) to the sheet separator (6).

Description

Die Erfindung befaßt sich mit einer Blattstapelvoranlegevorrichtung, die schuppenweise eine Mehrzahl von Blättern von unten aus einem größeren Stapel von Blättern herauszieht und anschließend vereinzelt.The invention relates to a sheet stack feeder, the scales a multitude of leaves pulls out of a larger stack of sheets from below and then isolated.

Ein bekannter Blattstapelvoranleger umfaßt eine Blattführungsvorrichtung zur Aufnahme eines größeren Stapels von Blättern, welcher in Papierstromrichtung hinter einem Zwischenfach angeordnet ist, in das stapelartig oder schuppenartig von der Unterseite des Stapels abgezogene Blätter eingebracht werden. Aus dem Bodenbereich des Zwischenfaches werden bei dem bekannten Blattstapelvoranleger in der gleichen Förderrichtung, in der der Schuppenstrom der Blätter in das Zwischenfach eingebracht wurde, einzelne Blätter zur nachfolgenden Verarbeitung abgezogen. Bei diesem bekannten Blattstapelvoranleger, der nach dem soeben erläuterten stufenweisen Vereinzelungsprinzip arbeitet, liegt also der Blattstapel in der Papierstromrichtung bzw. Blattstromrichtung hinter dem Zwischenfach, so daß der Schuppenstrom, der dem Zwischenfach zugeführt wird, und der Papierstrom der vereinzelten Blätter, die aus dem Zwischenfach abgezogen werden, die gleiche Flußrichtung haben. Die Lage einer aktiven Transportvorrichtung, die die vereinzelten Blätter von einem Bodenbereich des Zwischenfaches abzieht, muß bei dem bekannten Blattstapelanleger in Abhängigkeit von dem Format der Blätter eingestellt werden. Mit anderen Worten muß bei dem bekannten Blattstapelvoranleger die Transportvorrichtung bei kürzer werdenden Formaten der Blätter in Förderrichtung nachgestellt werden. Die Einstellarbeiten, die somit bei Umstellung des Formates, das der Blattstapelvoranleger verarbeitet, erforderlich sind, sind nicht nur aufwendig, sondern erfordern auch eine diesbezüglich geschulte Bedienungsperson.A known sheet stack feeder comprises a sheet guiding device to accommodate a larger stack of Scroll, which is behind you in the paper flow direction Intermediate compartment is arranged in the stack or peeled off like scales from the bottom of the stack Leaves are introduced. From the bottom area of the Intermediate folds are in the known sheet pile feeder in the same conveying direction in which the Scaly stream of leaves placed in the intermediate compartment single sheets for subsequent processing deducted. In this known sheet pile feeder, the according to the gradual separation principle just explained works, the stack of sheets is in the Paper flow direction or sheet flow direction behind the Intermediate compartment, so that the shingled stream corresponding to the intermediate compartment is fed, and the paper stream of the isolated Sheets that are pulled from the intermediate compartment, the have the same direction of flow. The location of an active transport device, which the isolated leaves of one Subtracting the bottom area of the intermediate compartment must known sheet pile feeder depending on the format the sheets are set. In other words, the known sheet pile feeder the transport device when the formats of the sheets get shorter in the conveying direction be adjusted. The adjustment work, thus at Change of the format that the sheet pile feeder processed, required, are not only complex, but also require a trained operator.

Die DE-PS 22 03 626 offenbart eine Vorrichtung zur Entnahme von Blättern aus einem Hauptstapel mit einer auf die Unterseite des Hauptstapels wirkenden Abzugsvorrichtung, einer der Abzugsvorrichtung nachgeordneten Anordnung zur Bildung eines Zwischenstapels von begrenzter Höhe und einer auf das unterste Blatt des Zwischenstapels einwirkenden zweiten Abzugsvorrichtung mit nachgeordneter Vereinzelungsvorrichtung, die mindestens zwei auf das zugeführte Blatt mit unterschiedlicher Umfangsgeschwindigkeit einwirkende Förderelemente sowie mindestens eine von oben auf das zugeführte Blatt einwirkende Bremsanordnung aufweist. Ferner ist der Hauptstapel zum Zwischenstapel geneigt, wodurch die Förderebene der ersten Abzugsvorrichtung mit der tiefer gelegenen Förderebene der zweiten Abzugsvorrichtung einen spitzen Winkel bildet, und wobei zur Höhenbegrenzung des Zwischenstapels ein die erste Abzugsvorrichtung steuernder Tastschalter im Bereich des Zwischenstapels angeordnet ist. Ein die freie Bewegung der vom Hauptstapel abgezogenen Blätter stoppender Anschlag weist den Tastschalter auf. Ferner ist die Förderrichtung der zweiten Abzugsvorrichtung zur Förderrichtung der ersten Abzugsvorrichtung entgegengesetzt.DE-PS 22 03 626 discloses a device for removal of sheets from a main stack with one on top of the Underside of the main stack pulling device, an arrangement downstream of the trigger device Formation of an intermediate stack of limited height and one acting on the bottom sheet of the intermediate stack second extraction device with downstream separating device, the at least two on the fed sheet acting with different peripheral speed Conveyor elements and at least one from above on the supplied sheet acting brake assembly. Further the main stack is inclined to the intermediate stack, causing the Delivery level of the first extraction device with the lower one located conveyor level of the second trigger device forms an acute angle, and being used to limit the height of the Intermediate stack a controlling the first take-off device Key switch is arranged in the area of the intermediate stack. On the free movement of those subtracted from the main stack Stoppering leaves has the key switch. Furthermore, the conveying direction of the second extraction device opposite to the conveying direction of the first extraction device.

Ausgehend von diesem Stand der Technik liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Blattstapelvoranlegevorrichtung zu schaffen, die mit geringem Aufwand für die Verarbeitung unterschiedlicher Blattformate eingestellt werden kann.Based on this prior art, the present Invention, the object of a sheet stack feeder to create that with little Effort for processing different sheet formats can be adjusted.

Diese Aufgabe wird durch eine Blattstapelvoranlegevorrichtung gemäß Patentanspruch 1 gelöst. This task is accomplished by a sheet stack feeder solved according to claim 1.

Die erfindungsgemäße Blattstapelvoranlegevorrichtung umfaßt eine Blattführungsvorrichtung zur Aufnahme eines Stapels von Blättern, ein Zwischenfach, eine Schuppenbildungsvorrichtung zum stapelartigen oder schuppenartigen gemeinsamen Herausziehen von Blättern von der Unterseite des in der Blattführungsvorrichtung aufgenommenen Stapels und zum Einbringen derselben in einer ersten Bewegungsrichtung in das Zwischenfach und eine Blattvereinzelungsvorrichtung zum einzelnen Herausziehen des jeweils untersten Blattes aus dem Zwischenfach in einer zu der ersten Bewegungsrichtung im wesentlichen entgegengesetzten zweiten Bewegungsrichtung.The sheet stack feeder according to the invention comprises a sheet guide device for receiving a stack of Scrolling, an intermediate compartment, a flaking device for stack-like or scale-like pulling out together of sheets from the bottom of the in the sheet guide picked up stack and for insertion the same in a first direction of movement into the intermediate compartment and a sheet separating device for the individual Pull out the bottom sheet from the intermediate compartment in a direction substantially to the first direction of movement opposite second direction of movement.

Bei der erfindungsgemäßen Blattstapelvoranlegevorrichtung kann bei Umstellung des Formates die Lage einer aktiven Transportvorrichtung für den Abtransport der vereinzelten Blätter unabhängig vom Format der Blätter beibehalten werden. Bei einem bevorzugten Ausführungsbeispiel ist es lediglich erforderlich, die Lage eines Anschlages innerhalb des Zwischenfaches nachzustellen.In the sheet stack feeder according to the invention can change the position of an active when changing the format Transport device for the removal of the individual Keep sheets regardless of the format of the sheets will. In a preferred embodiment it is only required the location of a stop within to adjust the intermediate subject.

Gemäß einem wichtigen Aspekt der Erfindung ist innerhalb des Zwischenfaches ein Riemenförderabschnitt einer Riemenfördereinrichtung vorgesehen, gegen den die in der zweiten Bewegungsrichtung vordere Blattkante der in dem Zwischenfach befindlichen Blätter anliegen, wodurch diese in der zweiten Bewegungsrichtung vordere Kante der Blätter zwangsweise bis zu der Blattvereinzelungsvorrichtung geführt wird, wodurch ein extrem zuverlässiger, staufreier und schneller Betrieb des Blattstapelvoranlegers erreicht wird.According to an important aspect of the invention, within the Intermediate a belt conveyor section of a belt conveyor provided against which in the second Direction of movement of the front sheet edge in the intermediate compartment leaves are in contact, which makes them in the second Direction of movement of the front edge of the sheets is forced to is led to the sheet separation device, whereby extremely reliable, jam-free and fast operation of the sheet pile feeder is reached.

Bevorzugte Ausführungsbeispiele der erfindungsgemäßen Blattstapelvoranlegevorrichtung werden nachfolgend unter Bezugnahme auf die beiliegende Zeichnung näher erläutert.Preferred embodiments of the invention Sheet pile feeder are below Reference to the accompanying drawing explained.

Es zeigen:

Die einzige Fig.
eine schematische Seitenansicht eines bevorzugten Ausführungsbeispiels eines Blattstapelvoranlegers.
Show it:
The only fig.
is a schematic side view of a preferred embodiment of a sheet pile feeder.

Ein Blattstapelvoranleger, der in der einzigen Fig. in seiner Gesamtheit mit dem Bezugszeichen 1 bezeichnet ist, umfaßt als Hauptkomponenten eine Blattführungsvorrichtung 2 zur Aufnahme eines Stapels 3 von Blättern, ein Zwischenfach 4, eine Schuppenbildungsvorrichtung 5 zum stapelartigen oder schuppenartigen gemeinsamen Herausziehen von Blättern von der Unterseite des in der Blattführungsvorrichtung 2 aufgenommenen Stapels 3 und zum Einbringen derselben in einer ersten Bewegungsrichtung in das Zwischenfach 4, sowie eine Blattvereinzelungsvorrichtung 6 zum einzelnen Herausziehen des jeweils untersten Blattes aus dem Zwischenfach 4 in einer zu der ersten Bewegungsrichtung im wesentlichen entgegengesetzten zweiten Bewegungsrichtung.A sheet pile feeder, which in the single Fig. In is designated in its entirety with reference number 1, comprises a sheet guiding device 2 as main components to hold a stack 3 of sheets, an intermediate compartment 4, a scale-forming device 5 for stack-like or scale-like pulling out of leaves together the bottom of the recorded in the sheet guide device 2 Stack 3 and to introduce the same in one first direction of movement in the intermediate compartment 4, as well as a Sheet separation device 6 for pulling out individually of the bottom sheet from the intermediate compartment 4 in one to the first direction of movement essentially opposite second direction of movement.

Die Schuppenbildungsvorrichtung 5 weist im Bodenbereich 7 der Blattführungsvorrichtung 2 eine erste, zweite und dritte Transportwalze auf. Die erste Transportwalze 8 liegt im wesentlichen mittig unterhalb des Stapels 3, so daß auf sie der größte Teil der Gewichstkraft des Stapels 3 lastet. Während die zweite und dritte Transportwalze 9, 10 während des Betriebes des Blattstapelvoranlegers im wesentlichen kontinuierlich angetrieben werden, ist der Antrieb der ersten Transportwalze 8 durch eine Kupplung (nicht dargestellt) in Abhängigkeit von einer nachfolgend noch zu erläuternden Regelung abschaltbar. Ein Rundriemen 11, der von der dritten Transportwalze 10 mit angetrieben wird, hat einen ersten Riemenabschnitt 12, der sich von der ersten bis zur dritten Transportwalze 8, 10 entlang des Bodenbereiches 7 der Blattführungsvorrichtung 2 erstreckt, sowie einen zweiten Riemenabschnitt 13, der sich innerhalb des Zwischenfaches 4 ausgehend von der angetriebenen dritten Transportrolle 10 geneigt abwärts gerichtet bis zu einer Vereinzelungsstelle 14 der Blattvereinzelungsvorrichtung 6 erstreckt. Die Vereinzelungsstelle 14 wird durch den Annäherungsbereich zwischen einer feststehenden Vereinzelungswalze 15 und einer Abtransportwalze 16 gebildet, welche an der Vereinzelungsstelle 14 mit einem derart geringen Abstand voneinander angeordnet sind, daß die Abtransportwalze 16 immer nur ein einzelnes Blatt zwischen ihr und der Vereinzelungswalze 15 hindurchziehen kann.The scale formation device 5 has in the bottom region 7 the sheet guide device 2 a first, second and third Transport roller on. The first transport roller 8 is in the essentially in the center below the stack 3, so that on them most of the weight of the stack 3 is heavy. While the second and third transport rollers 9, 10 during the operation of the sheet pile feeder essentially are continuously driven, is the drive of the first transport roller 8 by a clutch (not shown) depending on one below too explanatory control can be switched off. A round belt 11, the is also driven by the third transport roller 10 a first belt section 12, which extends from the first to to the third transport roller 8, 10 along the bottom area 7 of the sheet guide device 2 extends, as well as a second belt section 13, which is within the intermediate compartment 4 starting from the driven third transport roller 10 inclined downwards to a singling point 14 of the sheet separation device 6 extends. The separation point 14 is through the approach area between a fixed separating roller 15 and a removal roller 16, which at the singling point 14 with such a small one Are spaced from each other that the removal roller 16 only a single sheet between her and the Separation roller 15 can pull through.

Federnd aufgehängt oberhalb der dritten Transportwalze 10 ist eine nicht angetriebene Rolle 17 in Vertikalrichtung beweglich gelagert. Die Vertikalposition der Rolle 17 wird durch einen (nicht dargestellten) Sensor erfaßt, der anspricht, wenn ein Maximalwert der Dicke des zwischen der Rolle 17 und der dritten Transportwalze 10 hindurch bewegten Schuppenstromes überstiegen wird, woraufhin durch Öffnen der Kupplung der ersten Transportwalze 8 diese angehalten wird. In diesem angehaltenen Zustand der ersten Transportwalze 8 laufen die zweite und dritte Transportwalze 9, 10 sowie der Rundriemen 11 weiter, wodurch die Schuppenabstände des dem Zwischenfach 4 zugeführten Schuppenstromes vergrößert werden und sich somit der Schuppenstrom streckt, bis die von der Rolle 17 erfaßte Dicke des Schuppenstromes wieder auf einen gewünschten Sollwert heruntergefahren ist, bei dessen Erfassung der Sensor wiederum die Kupplung der ersten Transportwalze 8 schließt und diese somit wieder in Bewegung versetzt.Suspended resiliently above the third transport roller 10 is a non-driven roller 17 in the vertical direction movably mounted. The vertical position of the roller 17 will detected by a sensor (not shown) which responds when a maximum value of the thickness of the between the Roll 17 and the third transport roller 10 moved through Scale flow is exceeded, whereupon by opening the Coupling of the first transport roller 8 is stopped. In this stopped state of the first transport roller 8 run the second and third transport roller 9, 10 and Round belt 11 continues, whereby the scale spacing of the Intermediate compartment 4 shed stream supplied can be enlarged and thus the shingled stream stretches until the of the Roll 17 detected thickness of the scale flow back to one desired setpoint is shut down when it is recorded the sensor in turn the clutch of the first transport roller 8 closes and this moves again transferred.

An der dem zweiten Riemenabschnitt 13 des Rundriemens 11 gegenüberliegenden Seite des Zwischenfaches 4 ist ein Anschlag 19 vorgesehen, dessen Lage in Abhängigkeit von dem Format der von dem Blattstapelvoranleger 1 verarbeiteten Blätter parallel zu einem Bodenbereich 18 des Zwischenfaches eingestellt werden kann.On the second belt section 13 of the round belt 11 opposite side of the intermediate compartment 4 is a stop 19 provided, the location of which depends on the Format of the processed by the sheet pile feeder 1 Leaves parallel to a bottom area 18 of the intermediate compartment can be adjusted.

Der Bodenbereich 18 des Zwischenfaches 4 ist in Richtung zu der Vereinzelungsstelle 14 geneigt abfallend angeordnet, wodurch die in dem Zwischenfach 4 befindlichen Blätter mit ihrer in der Fig. linksseitigen Blattkante gegen den zweiten Riemenabschnitt 13 des Rundriemens 11 anliegen.The bottom area 18 of the intermediate compartment 4 is towards the separation point 14 arranged inclined, whereby the sheets located in the intermediate compartment 4 with its left edge in the figure against the second Belt section 13 of the round belt 11 abut.

Im Bodenbereich 18 des Zwischenfaches 4 ist ein sich parallel zum Bodenbereich erstreckender Friktionsriemen 20 über drei Führungsrollen 21 bis 23 und einer Antriebsrolle 24 geführt, wobei der Friktionsriemen 20 in der Weise angetrieben wird, daß das auf ihm jeweils aufliegende unterste Blatt innerhalb des Zwischenfaches 4 zu der Vereinzelungsstelle 14 geschoben wird.In the bottom area 18 of the intermediate compartment 4 is a Friction belt 20 extending parallel to the floor area via three guide rollers 21 to 23 and a drive roller 24 out, the friction belt 20 in the way is driven that that lying on it in each case bottom sheet within the intermediate compartment 4 to the Isolation point 14 is pushed.

Claims (5)

  1. A stacked-sheet prefeeder, comprising
    a sheet guiding device (2) for receiving therein a stack (3) of sheets;
    an intermediate tray (4);
    a scale former (5) for removing sheets, arranged in a stack and/or in a scalelike mode of arrangement, jointly from the lower surface of the stack (3) received in said sheet guiding device (2) and for introducing these sheets into the intermediate tray (4) in a first direction of movement;
    a sheet separator (6) for removing from said intermediate tray (4) the respective lowermost sheet as a single sheet in a second direction of movement which is substantially opposed to said first direction of movement;
    characterized by
    a guide means (13) arranged in said intermediate tray (4) and used for guiding the sheets in said intermediate tray (4) at their sheet edges constituting the front sheet edges in the second direction of movement, said guide means being implemented as a transport and guide means (13) in such a way that it moves the sheet edges constituting the front sheet edges in the second direction of movement in the interior of said intermediate tray (4) to said sheet separator (6).
  2. A stacked-sheet prefeeder according to claim 1, wherein the belt conveying means (11) includes a second belt conveying section (13) which extends from said scale former (5) to the sheet separator (6) in the interior of said intermediate tray (4) and which defines the guide means for guiding the sheet edges of the sheets constituting the front sheet edges in the second direction of movement.
  3. A stacked-sheet prefeeder according to claim 1 or 2, wherein the intermediate tray (4) is arranged such that it slopes downwards in the direction of the second direction of movement.
  4. A stacked-sheet prefeeder according to one of the claims 1 to 3, comprising a friction belt means (20 - 24) extending along the bottom area (18) of the intermediate tray (4) towards the sheet separator (6).
  5. A stacked-sheet prefeeder according to one of the claims 1 to 4, comprising a stop (19) which is arranged such that it is movable substantially parallel to the bottom of said intermediate tray (4).
EP97905020A 1996-02-23 1997-02-13 Stacked sheet separating device Expired - Lifetime EP0813496B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19606833A DE19606833A1 (en) 1996-02-23 1996-02-23 Sheet pile feeder
DE19606833 1996-02-23
PCT/EP1997/000677 WO1997030918A1 (en) 1996-02-23 1997-02-13 Stacked sheet separating device

Publications (2)

Publication Number Publication Date
EP0813496A1 EP0813496A1 (en) 1997-12-29
EP0813496B1 true EP0813496B1 (en) 1998-12-16

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ID=7786251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97905020A Expired - Lifetime EP0813496B1 (en) 1996-02-23 1997-02-13 Stacked sheet separating device

Country Status (7)

Country Link
US (1) US6105952A (en)
EP (1) EP0813496B1 (en)
JP (1) JP3130947B2 (en)
CA (1) CA2230559C (en)
DE (2) DE19606833A1 (en)
ES (1) ES2125738T3 (en)
WO (1) WO1997030918A1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE102013106486A1 (en) 2013-06-21 2014-12-24 Böwe Systec Gmbh Feeder for flat goods, in particular supplements
EP2818440A1 (en) 2013-06-28 2014-12-31 BÖWE SYSTEC GmbH Gathering track for flat goods and method for assembling a gathering track for flat goods

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WO1998049082A2 (en) * 1997-04-30 1998-11-05 Siemens Aktiengesellschaft Device for individually separating flat articles
DE10017771C1 (en) * 2000-04-10 2001-08-09 Siemens Ag Separating device with a stacking compartment
JP4484130B2 (en) * 2001-04-03 2010-06-16 大日本印刷株式会社 Printing book supply device
US7018163B2 (en) * 2003-05-29 2006-03-28 Sage Automation, Inc. System, apparatus, and method for manipulating a stack of paper, cardboard, and the like
FR2908756B1 (en) * 2006-11-16 2009-02-13 Neopost Technologies Sa DEVICE FOR AUTOMATIC LOADING OF ENVELOPES.
US7856797B2 (en) * 2008-04-03 2010-12-28 Arm Automation, Inc. Automated collector device and methods
CN104608425B (en) * 2015-01-28 2018-03-20 温州正博印刷机械有限公司 Paper bag machine and its put bottom card device automatically
CN112693849A (en) * 2020-12-28 2021-04-23 合肥小林日用品有限公司 Continuous bag machine that divides of heating piece

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FR1542453A (en) * 1964-12-28 Telefunken Patent Method and device for establishing a flow of articles and, in particular, postal items having a uniform density
US3705719A (en) * 1970-09-28 1972-12-12 Xerox Corp Article handling apparatus
DE2203626C2 (en) * 1972-01-26 1983-03-03 Kleindienst Gmbh & Co Kg, 8900 Augsburg Device for removing sheets from a main pile
US4456237A (en) * 1981-10-30 1984-06-26 Xerox Corporation Plural mode recirculating document handler
CA1208670A (en) * 1983-01-03 1986-07-29 Longford Equipment International Limited Card feeder control
US4809964A (en) * 1987-04-17 1989-03-07 St. Denis Manufacturing Co. Apparatus and method for converting bundled signatures to a shingled stream
CH682484A5 (en) * 1991-01-24 1993-09-30 Grapha Holding Ag Device for loading the magazine of an investor.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013106486A1 (en) 2013-06-21 2014-12-24 Böwe Systec Gmbh Feeder for flat goods, in particular supplements
EP2815994A1 (en) 2013-06-21 2014-12-24 BÖWE SYSTEC GmbH Insertion device for flat articles, in particular insertion device for inserts and method for withdrawing flat goods from a stack
DE102013106486B4 (en) 2013-06-21 2021-10-28 Böwe Systec Gmbh Feeder for flat goods, in particular insert feeder and method for pulling flat goods from a stack
EP2818440A1 (en) 2013-06-28 2014-12-31 BÖWE SYSTEC GmbH Gathering track for flat goods and method for assembling a gathering track for flat goods
DE102013106807A1 (en) 2013-06-28 2014-12-31 Böwe Systec Gmbh Collating track for flat goods and method for assembling such a collation track

Also Published As

Publication number Publication date
EP0813496A1 (en) 1997-12-29
CA2230559A1 (en) 1997-08-28
JP3130947B2 (en) 2001-01-31
ES2125738T3 (en) 1999-03-01
DE59700050D1 (en) 1999-01-28
DE19606833A1 (en) 1997-09-04
CA2230559C (en) 2002-11-26
WO1997030918A1 (en) 1997-08-28
JPH11504306A (en) 1999-04-20
US6105952A (en) 2000-08-22

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