EP0431526B1 - Device for deviating a stream of flat products arriving in a shingled formation, particularly a stream of at least two layers of paper products - Google Patents

Device for deviating a stream of flat products arriving in a shingled formation, particularly a stream of at least two layers of paper products Download PDF

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Publication number
EP0431526B1
EP0431526B1 EP90123115A EP90123115A EP0431526B1 EP 0431526 B1 EP0431526 B1 EP 0431526B1 EP 90123115 A EP90123115 A EP 90123115A EP 90123115 A EP90123115 A EP 90123115A EP 0431526 B1 EP0431526 B1 EP 0431526B1
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EP
European Patent Office
Prior art keywords
stream
belt
conveyor
deflection
overlapping
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EP90123115A
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German (de)
French (fr)
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EP0431526A3 (en
EP0431526A2 (en
Inventor
Ronald Meisel
Michael Hast
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B65H2404/2613—Means for changing the transport path, e.g. deforming, lengthening

Definitions

  • the invention relates to a device for separating a stream of sheet materials conveyed in flake formation, in particular an at least two-layer paper product stream in the vertical direction.
  • Such a device is known from DE-OS 33 01 852.
  • two shingled streams offset from one another are fed to a separating device, the individual shingled stream parts being gripped laterally by brackets and separated in the clamped state; then the clips are released from the stream of shingles.
  • This known device can only be used if the shingled stream that is brought in or conveyed consists of two lateral sections which are offset from one another, since otherwise it is not possible to grasp with the clips.
  • a single shingled stream for example with a usual conveying speed of 40,000 paper products per hour, cannot be separated with this known device.
  • a device with boom of the folder of web-fed rotary printing presses in which a delivery belt delivers a stream of shingles. At the end of this boom belt, a second boom belt is arranged at a lower height. At the transition of the scale flow to the lower band, it spreads into a cascade. A run-on roller can be swiveled into this cascade in order to deflect the scale flow into a belt guide.
  • the invention was based on the object of carrying out a separation of a shingled stream from fabrics, in particular from paper products, even if the shingled stream is conveyed in the usual manner - if appropriate also with different shingled spacings.
  • the separator with a bracket or the like. pivotable about a pivot point above the scale stream.
  • a bracket an L-shaped holder can also be provided.
  • the scale flow can have a cascade-like step at the level of the engaging separating element.
  • Each press belt can consist of a single belt extending over the width of the flat structures or also of a plurality of individual belt-like belts spaced apart from one another.
  • the pair of press belts consists of two separately guided endless belts.
  • the separating member and a deflection roller for the pair of press belts expediently form a structural unit; the bracket carrying the separating element can also hold the deflecting roller and can be pivoted about a common pivot point.
  • the bracket carrying the separating element can also hold the deflecting roller and can be pivoted about a common pivot point.
  • the endless belts can each have a tensioning roller or roller; the tensioning rollers or rollers are expediently on the handlebars or the like. appropriate.
  • the deflection roller can be immediately followed by a conveyor; however, this has the consequence that the removal takes place in the opposite direction to the promotion of the scale flow. If the separated shingled stream part is to be removed in the conveying direction of the shingled stream, the deflection roller can be followed by an overhead conveyor; the discharge conveyor downstream of the overhead conveyor for the separated scale flow part is expediently arranged above the discharge conveyor of the continued scale flow part.
  • the separating element is followed by a deflection roller with a press belt.
  • the separated scale stream part is held clamped between the press belt and the roll surface and conveyed accordingly.
  • the deflection roller can be followed, for example, by a corresponding endless discharge conveyor.
  • an overhead conveyor can be connected downstream of the deflecting roller. It is also possible that an endless rider belt is switched on between the deflecting roller and the overhead conveyor and that the overhead conveyor has a pair of press belts.
  • the rider belt and the pair of press belts run around a common axis when the separating element is switched on; it is also possible that the distance between the two outer deflection rollers of the rider belt can be changed.
  • a scale stream 2 consisting of newspapers 1 is conveyed on an endless conveyor of the separating device described in more detail below at a speed of e.g. 40,000 newspapers fed per hour.
  • a discharge conveyor 4 for a scale flow part and also a discharge conveyor 5 for a separated scale flow part can be driven synchronously.
  • the endless conveyor 3 has two deflection rollers 6 and 7; the latter is offset in a cascade-like manner, the discharge conveyor 4 for the continued shingled stream section is connected downstream.
  • a wedge-shaped separating member 10 is fastened to a shaft 11 which, as can be seen in FIG. 2, forms a bracket with two holders 12 and 13.
  • the wedge-shaped separating member engages under a scale (as shown in FIG. 1) after a corresponding control, so that the stream of scales is conveyed from the time of this intervention over the upper part of the device shown in FIG.
  • a pair of press belts is provided, which consists of a lower press belt 20 and an upper press belt 21. Trapped, folded paper products, e.g.
  • Newspapers are guided between the two press belts around a deflection roller or roller 22 by more than 180 ° and, in the embodiment shown, are fed to a further deflection roller or an overhead conveyor 23. After a small deflecting roller 24, the two belts are separated from one another, so that the separated scale stream part 2 'is only transported further on the lower belt and fed to the discharge conveyor 5, which is provided above the discharge conveyor 4.
  • the lower belt 20 is rotatably guided over the middle part of the separating member 10 and is then wrapped around the deflecting roller 22 by approximately 200 °.
  • the belt then leads to the overhead conveyor 23 and to a deflecting roller 25.
  • a tensioning roller 26 is attached to a link 27 and, as indicated by the arrow 28, is pivotably mounted.
  • the two holders 12 and 13 are pivotable about an axis 30; the corresponding shaft 31 is held in bearings 32 and 33.
  • the holders 12, 13 also support the shaft 34 of the deflection roller 22.
  • the pivotable wedge-shaped separating member 10 has a round cross section in the region of the deflecting roller 22, so that the lower press belt 20 is held accordingly.
  • the wedge-shaped projections, which form the separating element, are provided to the side of the central region. These projections are firmly connected to the shaft 11 and are therefore rotatably mounted together with the latter.
  • the upper belt 21 is wrapped around the deflection roller 22 at approximately 210 degrees of arc and leads to the overhead conveyor 23 and then to the deflection rollers 24, 35, to the tensioning roller 36 and finally to the deflection roller 37.
  • the tensioning roller 36 is attached to a link 38 and in the direction of arrow 39 pivotable.
  • the separation element 10 In order to end the separation of the scale part with the separation element, the separation element 10 must be pulled out of the scale flow 2.
  • the pull-out speed must in any case be higher than the conveying speed of the stream 2
  • the two holders 12 and 13 are pivoted away with the deflecting roller 22 and the separating member 10 - as indicated by broken lines in FIG. 1.
  • the two press belts are “extended” in the area between the deflecting roller 22 and the overhead conveyor 23.
  • the tensioning rollers 26 and 36 are provided, which are optionally also spring-mounted.
  • the pivoting of the deflecting roller 22 has the result that the belt sections of both press belts between the deflecting rollers 22 and 23 are enlarged and, on the other hand, the belt section of the outer belt between the deflecting roller 22 and the deflecting roller 37. This is made possible by the movement of the tensioning rollers 26 and 36 . During the pivoting, the rotational speed of the deflecting roller 22 increases.
  • the wedge-shaped separating member 10 is - as can be seen from Fig. 2 - divided into two and wedged on the shaft 11. This wedge-shaped separating member can be pivoted, as indicated by arrow 40. Between the two-part separator 10, a small deflection roller 41 is freely rotatably mounted on the shaft 11. This deflecting roller serves to guide the inner press belt 20th
  • the feed conveyor 3 and the two discharge conveyors 4 and 5 are arranged at the same location as in the embodiment according to FIGS. 1 and 2.
  • the outer press belt 20 takes essentially the same course as in the embodiment according to FIGS. 1 and 2, but the pivoting of the deflection roller 26 takes place essentially in the horizontal direction according to the arrow 28 '.
  • the press belt 21 ' runs around the deflection rollers 50, 52, 53, 54 and the small deflection rollers 55 and 51 and is in between Swung about 200 degrees around the overhead conveyor 23 '.
  • a rider belt 56 is switched on, which rotates around deflecting rollers 57, 58 and 55 and is supported by support rollers 59. After pivoting the support rods 12 and 13 - in the same way as described in connection with the above embodiment - the rider belt 56 assumes the dashed position 56 ', which is made possible by pivoting the deflection roller 58.
  • two rider belts are provided on both sides of the deflection roller 22.
  • the deflection roller 57 is connected to the shaft 34 of the deflection roller by a holder 60. Accordingly, the second rider belt is held and guided on the other side of the deflection roller; of course, when the deflection roller is pivoted, it undergoes the same change in position as the rider belt 56.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Paper (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper Feeding For Electrophotography (AREA)

Abstract

In a device for deviating a stream of two layers of paper products arriving in a shingled formation in a vertical direction, a wedge-shaped deviating member, which extends at option into the shingled stream, can be pulled back from the shingled stream in the conveying direction with a speed exceeding the conveying speed of the stream. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Trennen eines in Schuppenformation geförderten Stromes von Flächengebilden, insbesondere eines mindestens zweilagigen Papierproduktstromes in lotrechter Richtung.The invention relates to a device for separating a stream of sheet materials conveyed in flake formation, in particular an at least two-layer paper product stream in the vertical direction.

Aus der DE-OS 33 01 852 ist eine derartige Vorrichtung bekannt. Bei dieser Vorrichtung werden allerdings zwei zueinander versetzte Schuppenströme einer Trennvorrichtung zugeführt, wobei die einzelnen Schuppenstromteile seitlich durch Klammern erfaßt und in geklammertem Zustand getrennt werden; danach werden die Klammern wieder vom Schuppenstrom gelöst. Diese bekannte Vorrichtung ist nur dann verwendbar, wenn der herangeführte oder geförderte Schuppenstrom aus zwei seitlichen, zueinander versetzten Abschnitten besteht, da sonst das Erfassen mit den Klammern nicht möglich ist. Ein einzelner, z.B. mit einer üblichen Fördergeschwindigkeit von 40 000 Papierprodukten je Stunde geförderter Schuppenstrom kann mit dieser bekannten Vorrichtung nicht getrennt werden.Such a device is known from DE-OS 33 01 852. In this device, however, two shingled streams offset from one another are fed to a separating device, the individual shingled stream parts being gripped laterally by brackets and separated in the clamped state; then the clips are released from the stream of shingles. This known device can only be used if the shingled stream that is brought in or conveyed consists of two lateral sections which are offset from one another, since otherwise it is not possible to grasp with the clips. A single shingled stream, for example with a usual conveying speed of 40,000 paper products per hour, cannot be separated with this known device.

Auch die aus der US-PS 28 15 949 bekannte Vorrichtung des eingangs erwähnten Typs, die den Oberbegriff des Anspruchs 1 entspricht, ist aufgrund der Länge der Zuführwege der beiden Teile des Schuppenstromes sehr raumaufwendig. Die beiden übereinanderliegenden, von den beiden Schuppenströmen belieferten Stapel sind in horizontaler Verlängerung von der Trennstelle angeordnet.Also known from US-PS 28 15 949 device of the type mentioned, which corresponds to the preamble of claim 1, is very space-consuming due to the length of the feed paths of the two parts of the shingled stream. The two superposed stacks, supplied by the two streams of shingles, are arranged in a horizontal extension from the separation point.

Aus der DE-OS 25 13 774 ist eine Vorrichtung mit Ausleger des Falzapparates von Rollenrotationsdruckmaschinen bekannt, bei der ein Auslegerband einen Schuppenstrom anliefert. Am Ende dieses Auslegerbandes ist auf einer niedrigeren Höhe ein zweites Auslegerband angeordnet. Beim Übergang des Schuppenstroms auf das untere Band spreizt er sich zu einer Kaskade. In diese Kaskade kann eine Auflaufwalze eingeschwenkt werden, um den Schuppenstrom in eine Bänderführung abzulenken.From DE-OS 25 13 774 a device with boom of the folder of web-fed rotary printing presses is known, in which a delivery belt delivers a stream of shingles. At the end of this boom belt, a second boom belt is arranged at a lower height. At the transition of the scale flow to the lower band, it spreads into a cascade. A run-on roller can be swiveled into this cascade in order to deflect the scale flow into a belt guide.

Der Erfindung lag die Aufgabe zugrunde, eine Trennung eines Schuppenstromes von Flächengebilden, insbesondere von Papierprodukten auch dann durchzuführen, wenn der Schuppenstrom in üblicher Weise - gegebenenfalls auch mit unterschiedlichen Schuppenabständen - gefördert wird.The invention was based on the object of carrying out a separation of a shingled stream from fabrics, in particular from paper products, even if the shingled stream is conveyed in the usual manner - if appropriate also with different shingled spacings.

Die Aufgabe wird durch die Merkmale des kennzeichnenden Teil des Anspruchs 1 gelöst.The object is achieved by the features of the characterizing part of claim 1.

Auf diese Weise können z.B. in Schuppenform geförderte Zeitungen nach einer entsprechenden Zählung in zwei Schuppenteile aufgeteilt, gestapelt und kreuzverlegt werden. Diese Vorrichtung wird auch der Tatsache gerecht, daß z.B. in üblicher Weise mit einer Fördergeschwindigkeit von 40 000 Stück/Stunde gearbeitet wird. In diesem Fall können z.B. Schuppenteile von 20 oder mehr Papierprodukten erfaßt und einer gesonderten Stapelung zugeführt werden.In this way e.g. newspapers promoted in scale form are divided into two scale parts, stacked and cross-laid according to a corresponding count. This device also takes account of the fact that e.g. in the usual way with a conveyor speed of 40,000 pieces / hour. In this case e.g. Scale parts of 20 or more paper products are detected and fed to a separate stack.

Nach einer bevorzugten Ausführungsform der Erfindung ist das Trennorgan mit einem Bügel o.dgl. um einen oberhalb des Schuppenstromes liegenden Drehpunkt verschwenkbar. Statt eines Bügels kann auch ein L-förmiger Halter vorgesehen sein.According to a preferred embodiment of the invention, the separator with a bracket or the like. pivotable about a pivot point above the scale stream. Instead of a bracket, an L-shaped holder can also be provided.

Um das Erfassen mit dem keilförmigen Trennorgan zu erleichtern, kann der Schuppenstrom auf der Höhe des eingreifenden Trennorgans eine kaskadenartige Stufe aufweisen.In order to facilitate detection with the wedge-shaped separating element, the scale flow can have a cascade-like step at the level of the engaging separating element.

Es ist auch möglich, daß für die Abförderung des durch das Trennorgan aufgefangenen Teils des Schuppenstromes ein zusammenwirkendes Preßbandpaar vorgesehen ist. Jedes Preßband kann aus einem sich über die Breite der Flächengebilde erstreckenden einzigen Band oder auch aus mehreren beabstandeten nebeneinanderliegenden einzelnen riemenartigen Bändern bestehen.It is also possible that a cooperating pair of press belts is provided for the removal of the part of the shingled stream collected by the separating member. Each press belt can consist of a single belt extending over the width of the flat structures or also of a plurality of individual belt-like belts spaced apart from one another.

Nach einer besonders bevorzugten Ausführungsform der Erfindung besteht das Preßbandpaar aus zwei gesondert geführten Endlosbändern. Zweckmäßigerweise bilden das Trennorgan und eine Umlenkwalze für das Preßbandpaar eine konstruktive Einheit; der das Trennorgan tragende Bügel kann auch die Umlenkwalze halten und um einen gemeinsamen Drehpunkt verschwenkbar sein. Hierdurch wird erreicht, daß einerseits das Trennorgan vom geförderten Schuppenstrom getrennt wird und andererseits aber die beiden Preßbänder um einen bestimmten Betrag "verlängert" werden, so daß die relative Umlaufgeschwindigkeit der Umlenkwalze erhöht wird. Dennoch erfolgt die Abförderung des abgetrennten Schuppenstromteiles mit der gleichen Geschwindigkeit wie die Fördergeschwindigkeit des Schuppenstromes. Um die "Längung" des Preßbandpaares zu ermöglichen, können die Endlosbänder jeweils eine Spannrolle oder -walze aufweisen; die Spannrollen bzw. -walzen sind dabei zweckmäßigerweise an Lenkern o.dgl. angebracht.According to a particularly preferred embodiment of the invention, the pair of press belts consists of two separately guided endless belts. The separating member and a deflection roller for the pair of press belts expediently form a structural unit; the bracket carrying the separating element can also hold the deflecting roller and can be pivoted about a common pivot point. This ensures that, on the one hand, the separating element is separated from the shed stream being conveyed and, on the other hand, the two press belts are "extended" by a certain amount, so that the relative rotational speed of the deflecting roller is increased. Nevertheless, the removal of the separated shingled stream takes place at the same speed as the conveying speed of the shingled stream. In order to enable the "elongation" of the pair of press belts, the endless belts can each have a tensioning roller or roller; the tensioning rollers or rollers are expediently on the handlebars or the like. appropriate.

Es liegt auf der Hand, daß der Umlenkwalze unmittelbar ein Abförderer nachgeschaltet werden kann; dies hat jedoch zur Folge, daß die Abförderung in Gegenrichtung zur Förderung des Schuppenstromes erfolgt. Wenn eine Abförderung des abgetrennten Schuppenstromteiles in Förderrichtung des Schuppenstromes erfolgen soll, kann der Umlenkwalze ein Überkopfförderer nachgeschaltet sein; der dem Überkopfförderer nachgeschaltete Abförderer für den abgetrennten Schuppenstromteil ist dabei zweckmäßig über dem Abförderer des weitergeführten Schuppenstromteiles angeordnet.It is obvious that the deflection roller can be immediately followed by a conveyor; however, this has the consequence that the removal takes place in the opposite direction to the promotion of the scale flow. If the separated shingled stream part is to be removed in the conveying direction of the shingled stream, the deflection roller can be followed by an overhead conveyor; the discharge conveyor downstream of the overhead conveyor for the separated scale flow part is expediently arranged above the discharge conveyor of the continued scale flow part.

Nach einer abgewandelten Ausführungsform der Efindung ist dem Trennorgan eine Umlenkwalze mit einem Preßband nachgeschaltet. In diesem Fall wird der abgetrennte Schuppenstromteil zwischen dem Preßband und der Walzenoberfläche eingespannt gehalten und entsprechend gefördert. Wenn der abge abgetrennte Schuppenstromteil in entgegengesetzter Richtung wie der Zuförderer abgefördert werden soll, kann der Umlenkwalze z.B. ein entsprechender endloser Abförderer nachgeschaltet werden.According to a modified embodiment of the invention, the separating element is followed by a deflection roller with a press belt. In this case, the separated scale stream part is held clamped between the press belt and the roll surface and conveyed accordingly. If the separated scale flow part in the opposite direction as the feed conveyor is to be conveyed away, the deflection roller can be followed, for example, by a corresponding endless discharge conveyor.

Wenn der abgetrennte Schuppenstromteil jedoch in Förderrichtung des Schuppenstromes weitertransportiert werden soll, kann der Umlenkwalze ein Überkopfförderer nachgeschaltet sein. Auch ist es möglich, daß zwischen der Umlenkwalze und dem Überkopfförderer ein endloses Reiterband eingeschaltet ist und daß der Überkopfförderer ein Preßbandpaar aufweist. Zweckmäßigerweise laufen das Reiterband und das Preßbandpaar bei eingeschaltetem Trennorgan um eine gemeinsame Achse um; auch ist es möglich, daß der Abstand der beiden äußeren Umlenkwalzen des Reiterbandes veränderbar ist.If, however, the separated shingled stream part is to be transported further in the conveying direction of the shingled stream, an overhead conveyor can be connected downstream of the deflecting roller. It is also possible that an endless rider belt is switched on between the deflecting roller and the overhead conveyor and that the overhead conveyor has a pair of press belts. Advantageously, the rider belt and the pair of press belts run around a common axis when the separating element is switched on; it is also possible that the distance between the two outer deflection rollers of the rider belt can be changed.

Auf der Zeichnung sind Ausführungsformen der Erfindung - stark schematisiert - dargestellt; sie werden nachfolgend näher beschrieben. Es zeigt:

Fig. 1
eine Seitenansicht auf eine Ausführungsform,
Fig. 2
ein Detail gemäß Linie 2-2 in Fig. 1 in stark vergrößertem Maßstab,
Fig. 3
eine Seitenansicht auf eine abgewandelte Ausführugnsform und
Fig. 4
ein Detail gemäß Linie 4-4 in Fig. 3 in stark vergrößertem Maßstab.
Embodiments of the invention are shown in the drawing in highly schematic form; they are described in more detail below. It shows:
Fig. 1
a side view of an embodiment,
Fig. 2
2 shows a detail according to line 2-2 in FIG. 1 on a greatly enlarged scale,
Fig. 3
a side view of a modified embodiment and
Fig. 4
a detail along line 4-4 in Fig. 3 in a greatly enlarged scale.

Ein aus Zeitungen 1 bestehender Schuppenstrom 2 wird auf einem Endlosförderer der nachfolgend näher beschriebenen Trennvorrichtung mit einer Geschwindigkeit von z.B. 40 000 Zeitungen pro Stunde zugeführt. Mit dem Endlosförderer können synchron ein Abförderer 4 für einen Schuppenstromteil und auch ein Abförderer 5 für einen abgetrennten Schuppenstromteil angetrieben werden.A scale stream 2 consisting of newspapers 1 is conveyed on an endless conveyor of the separating device described in more detail below at a speed of e.g. 40,000 newspapers fed per hour. With the endless conveyor, a discharge conveyor 4 for a scale flow part and also a discharge conveyor 5 for a separated scale flow part can be driven synchronously.

Der Endlosförderer 3 weist zwei Umlenkwalzen 6 und 7 auf; der letzteren ist kaskadenartig versetzt, der Abförderer 4 für den weitergeführten Schuppenstromteil nachgeschaltet. Ein keilförmig ausgebildetes Trennorgan 10 ist an einer Welle 11 befestigt, welche mit zwei Haltern 12 und 13 - wie aus Fig. 2 ersichtlich - einen Bügel bildet. Das keilförmige Trennorgan greift nach einer entsprechenden Steuerung unter eine Schuppe (wie in Fig. 1 dargestellt), so daß der Schuppenstrom vom Zeitpunkt dieses Eingriffs an über den oberen Teil der in Fig. 1 dargestellten Vorrichtung gefördert wird. Zum Abtransport des abgetrennten Teils des Schuppenstromes ist ein Preßbandpaar vorgesehen, welches aus einem unteren Preßband 20 und einem oberen Preßband 21 besteht. Aufgefangene, gefalzte Papierprodukte, z.B. Zeitungen werden zwischen den beiden Preßbändern um eine Umlenkwalze oder -rolle 22 um mehr als 180° herumgeführt und bei der dargestellten Ausführungsform einer weiteren Umlenkwalze bzw. einem Überkopfförderer 23 zugeführt. Nach einer kleinen Umlenkwalze 24 werden die beiden Bänder voneinander getrennt, so daß der abgetrennte Schuppenstromteil 2' nur auf dem unteren Band weitertransportiert und dem Abförderer 5 zugeleitet wird, welcher oberhalb des Abförderers 4 vorgesehen ist.The endless conveyor 3 has two deflection rollers 6 and 7; the latter is offset in a cascade-like manner, the discharge conveyor 4 for the continued shingled stream section is connected downstream. A wedge-shaped separating member 10 is fastened to a shaft 11 which, as can be seen in FIG. 2, forms a bracket with two holders 12 and 13. The wedge-shaped separating member engages under a scale (as shown in FIG. 1) after a corresponding control, so that the stream of scales is conveyed from the time of this intervention over the upper part of the device shown in FIG. For the removal of the separated part of the scale flow, a pair of press belts is provided, which consists of a lower press belt 20 and an upper press belt 21. Trapped, folded paper products, e.g. Newspapers are guided between the two press belts around a deflection roller or roller 22 by more than 180 ° and, in the embodiment shown, are fed to a further deflection roller or an overhead conveyor 23. After a small deflecting roller 24, the two belts are separated from one another, so that the separated scale stream part 2 'is only transported further on the lower belt and fed to the discharge conveyor 5, which is provided above the discharge conveyor 4.

Das untere Band 20 wird bei der dargestellten Ausführungsform über den mittleren Teil des Trennorgans 10 drehbar geführt und ist dann um die Umlenkwalze 22 um ca. 200° geschlungen.In the embodiment shown, the lower belt 20 is rotatably guided over the middle part of the separating member 10 and is then wrapped around the deflecting roller 22 by approximately 200 °.

Danach führt das Band zum Überkopfförderer 23 und zu einer Umlenkwalze 25. Eine Spannrolle 26 ist an einem Lenker 27 angebracht und - wie mit dem Pfeil 28 angedeutet - verschwenkbar gelagert. Die beiden Halter 12 und 13 sind um eine Achse 30 verschwenkbar; die entsprechende Welle 31 ist in Lagern 32 und 33 gehalten. Die Halter 12, 13 tragen auch die Welle 34 der Umlenkwalze 22.The belt then leads to the overhead conveyor 23 and to a deflecting roller 25. A tensioning roller 26 is attached to a link 27 and, as indicated by the arrow 28, is pivotably mounted. The two holders 12 and 13 are pivotable about an axis 30; the corresponding shaft 31 is held in bearings 32 and 33. The holders 12, 13 also support the shaft 34 of the deflection roller 22.

Das verschwenkbare keilförmige Trennorgan 10 weist im Bereich der Umlenkwalze 22 einen runden Querschnitt auf, so daß das untere Preßband 20 entsprechend gehalten wird. Seitlich vom mittleren Bereich sind die keilförmigen Vorsprünge vorgesehen, die das Trennorgan bilden. Diese Vorsprünge sind mit der Welle 11 fest verbunden und daher auch mit dieser zusammen drehbar gelagert.The pivotable wedge-shaped separating member 10 has a round cross section in the region of the deflecting roller 22, so that the lower press belt 20 is held accordingly. The wedge-shaped projections, which form the separating element, are provided to the side of the central region. These projections are firmly connected to the shaft 11 and are therefore rotatably mounted together with the latter.

Das obere Band 21 ist mit etwa 210 Bogengraden um die Umlenkwalze 22 geschlungen und führt zum Überkopfförderer 23 und dann zu den Umlenkwalzen 24, 35, zur Spannrolle 36 und schließlich zur Umlenkwalze 37. Die Spannrolle 36 ist an einem Lenker 38 angebracht und in Pfeilrichtung 39 verschwenkbar.The upper belt 21 is wrapped around the deflection roller 22 at approximately 210 degrees of arc and leads to the overhead conveyor 23 and then to the deflection rollers 24, 35, to the tensioning roller 36 and finally to the deflection roller 37. The tensioning roller 36 is attached to a link 38 and in the direction of arrow 39 pivotable.

Um die Abtrennung des Schuppenteiles mit dem Trennorgan zu beenden, muß das Trennorgan 10 aus dem Schuppenstrom 2 herausgezogen werden. Die Herausziehgeschwindigkeit muß in jedem Fall höher sein als die Fördergeschwindigkeit des Schuppenstroms 2.In order to end the separation of the scale part with the separation element, the separation element 10 must be pulled out of the scale flow 2. The pull-out speed must in any case be higher than the conveying speed of the stream 2

Um dies zu erreichen, werden die beiden Halter 12 und 13 mit der Umlenkwalze 22 und dem Trennorgan 10 - wie in Fig. 1 mit strichierten Linien angedeutet - abgeschwenkt. Durch diese Abschwenkung werden die beiden Preßbänder im Bereich zwischen der Umlenkwalze 22 und dem Überkopfförderer 23 "verlängert". Um diese "Verlängerung" zu ermöglichen, sind die Spannrollen 26 und 36 vorgesehen, die gegebenenfalls auch federnd gelagert sind.In order to achieve this, the two holders 12 and 13 are pivoted away with the deflecting roller 22 and the separating member 10 - as indicated by broken lines in FIG. 1. As a result of this pivoting, the two press belts are “extended” in the area between the deflecting roller 22 and the overhead conveyor 23. Around To allow "extension", the tensioning rollers 26 and 36 are provided, which are optionally also spring-mounted.

Die Verschwenkung der Umlenkwalze 22 hat zur Folge, daß die Bandabschnitte beider Preßbänder zwischen den Umlenkwalzen 22 und 23 vergrößert werden und andererseits auch der Bandabschnitt des äußeren Bandes zwischen der Umlenkwalze 22 und der Umlenkwalze 37. Dies wird durch die Bewegung der Spannwalzen 26 und 36 möglich. Während der Verschwenkung erhöht sich die Umlaufgeschwindigkeit der Umlenkwalze 22.The pivoting of the deflecting roller 22 has the result that the belt sections of both press belts between the deflecting rollers 22 and 23 are enlarged and, on the other hand, the belt section of the outer belt between the deflecting roller 22 and the deflecting roller 37. This is made possible by the movement of the tensioning rollers 26 and 36 . During the pivoting, the rotational speed of the deflecting roller 22 increases.

Das keilförmige Trennorgan 10 ist - wie aus Fig. 2 ersichtlich - zweigeteilt und auf der Welle 11 aufgekeilt. Dieses keilförmige Trennorgan ist - wie mit dem Pfeil 40 angedeutet - verschwenkbar. Zwischen dem zweiteiligen Trennorgan 10 ist eine kleine Umlenkwalze 41 auf der Welle 11 frei drehbar gelagert. Diese Umlenkwalze dient zur Führung des inneren Preßbandes 20.The wedge-shaped separating member 10 is - as can be seen from Fig. 2 - divided into two and wedged on the shaft 11. This wedge-shaped separating member can be pivoted, as indicated by arrow 40. Between the two-part separator 10, a small deflection roller 41 is freely rotatably mounted on the shaft 11. This deflecting roller serves to guide the inner press belt 20th

Bei der Ausführungsform nach Fig. 3 und Fig. 4 sind der Zuförderer 3 und die beiden Abförderer 4 und 5 an der gleichen Stelle angeordnet wie bei der Ausführungsform nach Fig. 1 bzw. 2. Das äußere Preßband 20 nimmt im wesentlichen den gleichen Verlauf ein wie bei der Ausführungsform nach Fig. 1 und 2, allerdings erfolgt die Verschwenkung der Umlenkwalze 26 im wesentlichen in horizontaler Richtung gemäß dem Pfeil 28'.In the embodiment according to FIGS. 3 and 4, the feed conveyor 3 and the two discharge conveyors 4 and 5 are arranged at the same location as in the embodiment according to FIGS. 1 and 2. The outer press belt 20 takes essentially the same course as in the embodiment according to FIGS. 1 and 2, but the pivoting of the deflection roller 26 takes place essentially in the horizontal direction according to the arrow 28 '.

Das weiter oben beschriebene innere Preßband 21' ist jedoch bei der Ausführungsform nach Fig. 3 und 4 wesentlich kürzer als bei der Ausführungsform nach Fig. 1 und 2.The inner press belt 21 'described above, however, is considerably shorter in the embodiment according to FIGS. 3 and 4 than in the embodiment according to FIGS. 1 and 2.

Das Preßband 21' läuft um die Umlenkrollen 50, 52, 53, 54 sowie die kleinen Umlenkrollen 55 und 51 und ist dazwischen um ca. 200 Bogengrade um den Überkopfförderer 23' geschwungen.The press belt 21 'runs around the deflection rollers 50, 52, 53, 54 and the small deflection rollers 55 and 51 and is in between Swung about 200 degrees around the overhead conveyor 23 '.

Zwischen der Umlenkwalze 22 und dem Überkopfförderer 23' ist ein Reiterband 56 eingeschaltet, welches um Umlenkwalzen 57, 58 und 55 umläuft und durch Stützrollen 59 abgestützt ist. Nach einer Verschwenkung der Haltestangen 12 und 13 - in gleicher Weise wie im Zusammenhang mit der obigen Ausführungsform beschrieben - nimmt das Reiterband 56 die strichierte Stellung 56' ein, was durch eine Verschwenkung der Umlenkwalze 58 ermöglicht wird.Between the deflecting roller 22 and the overhead conveyor 23 'a rider belt 56 is switched on, which rotates around deflecting rollers 57, 58 and 55 and is supported by support rollers 59. After pivoting the support rods 12 and 13 - in the same way as described in connection with the above embodiment - the rider belt 56 assumes the dashed position 56 ', which is made possible by pivoting the deflection roller 58.

Wie aus Fig. 4 ersichtlich ist, sind zwei Reiterbänder beidseitig der Umlenkwalze 22 vorgesehen. Die Umlenkwalze 57 ist durch einen Halter 60 mit der Welle 34 der Umlenkwalze verbunden. Dementsprechend ist auch das zweite Reiterband auf der anderen Seite der Umlenkwalze gehalten und geführt; es macht selbstverständlich bei einer Verschwenkung der Umlenkwalze dieselbe Lageveränderung durch wie das Reiterband 56.As can be seen from FIG. 4, two rider belts are provided on both sides of the deflection roller 22. The deflection roller 57 is connected to the shaft 34 of the deflection roller by a holder 60. Accordingly, the second rider belt is held and guided on the other side of the deflection roller; of course, when the deflection roller is pivoted, it undergoes the same change in position as the rider belt 56.

Claims (10)

  1. Device for feeding a stream (2) of flat products arriving in an overlapping formation, in particular a stream of at least two-layer paper products, alternately to one of two discharge conveyors (4, 5), comprising a wedge-shaped separating member (10) which is arranged to swivel on a shaft (11) and can be introduced into the overlapping stream (2) and retracted therefrom by a moving component extending in the conveying direction of the overlapping stream and exceeding the conveying speed of the latter, said separating member guiding a separated part of the overlapping stream on to a conveyor upstream of one of the two discharge conveyors (4, 5), characterised in that the upstream conveyor includes a deflection roll (22) arranged on a further shaft (34) and around which a first endless belt (20) leading to one (5) of the two discharge conveyors (4, 5) is wound via a circumferential portion, said endless belt holding the separated part (2') of the overlapping stream (2) against the deflection roll (22) as a pressing belt in the circumferential portion, and that the first shaft (11) with the separating member (10) and the other shaft (34) with the deflection roll (22) are mounted to swivel about a common point of rotation (30) at a distance from the overlapping stream (2) and from the two shafts (11, 34).
  2. Device according to claim 1, characterised in that both shafts (11, 34) are carried by one single holder (12, 13).
  3. Device according to one of claims 1 or 2, characterised in that an overhead conveyor (23) is arranged downstream of the deflection roll (22).
  4. Device according to one of claims 1 to 3, characterised in that a second endless belt (21) against which the separated part (2') of the overlapping stream (2) is pressed as a pressing belt by the first endless belt (20) is wound around the deflection roll (22).
  5. Device according to claim 4, characterised in that the endless belts (20, 21) each have a tensioning roller or roll (26, 36).
  6. Device according to claim 5, characterised in that the tensioning rollers or rolls (26, 36) are mounted on guide members (27, 38).
  7. Device according to one of claims 3 to 6, characterised in that a discharge conveyor (5) downstream of the overhead conveyor (23) for the separated part (2') of the overlapping stream (2) is arranged above the discharge conveyor (4) of the continuing part of the overlapping stream (2).
  8. Device according to one of claims 3 to 7, characterised in that an endless rider belt (56) is inserted between the deflection roll (22) and the overhead conveyor (23) and that the overhead conveyor (23) has a pair of pressing belts (20, 21').
  9. Device according to claim 8, characterized in that the distance between the two outer deflection rolls (55, 57) of the rider belt (56) is variable.
  10. Device according to one of claims 1 to 9, characterised in that a deflection roller or roll (41) for the first endless belt (20) wound around the deflection roll (22) is provided on the swivelling separating member (10).
EP90123115A 1989-12-05 1990-12-03 Device for deviating a stream of flat products arriving in a shingled formation, particularly a stream of at least two layers of paper products Expired - Lifetime EP0431526B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940243A DE3940243C2 (en) 1989-12-05 1989-12-05 Device for supplying a stream of sheet materials which is conveyed in a scale formation
DE3940243 1989-12-05

Publications (3)

Publication Number Publication Date
EP0431526A2 EP0431526A2 (en) 1991-06-12
EP0431526A3 EP0431526A3 (en) 1991-09-11
EP0431526B1 true EP0431526B1 (en) 1995-10-25

Family

ID=6394860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123115A Expired - Lifetime EP0431526B1 (en) 1989-12-05 1990-12-03 Device for deviating a stream of flat products arriving in a shingled formation, particularly a stream of at least two layers of paper products

Country Status (7)

Country Link
US (1) US5143369A (en)
EP (1) EP0431526B1 (en)
JP (1) JP2829133B2 (en)
AT (1) ATE129480T1 (en)
CA (1) CA2031315A1 (en)
DE (1) DE3940243C2 (en)
DK (1) DK0431526T3 (en)

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Also Published As

Publication number Publication date
DE3940243A1 (en) 1991-06-06
EP0431526A3 (en) 1991-09-11
DE3940243C2 (en) 1994-01-20
ATE129480T1 (en) 1995-11-15
JPH04358661A (en) 1992-12-11
JP2829133B2 (en) 1998-11-25
DK0431526T3 (en) 1996-02-05
CA2031315A1 (en) 1991-06-06
EP0431526A2 (en) 1991-06-12
US5143369A (en) 1992-09-01

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