EP1169251B1 - Device for transferring products between conveyor parts - Google Patents

Device for transferring products between conveyor parts Download PDF

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Publication number
EP1169251B1
EP1169251B1 EP99959170A EP99959170A EP1169251B1 EP 1169251 B1 EP1169251 B1 EP 1169251B1 EP 99959170 A EP99959170 A EP 99959170A EP 99959170 A EP99959170 A EP 99959170A EP 1169251 B1 EP1169251 B1 EP 1169251B1
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EP
European Patent Office
Prior art keywords
conveyor
conveying
roller
belt
conveying path
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
EP99959170A
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German (de)
French (fr)
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EP1169251A1 (en
Inventor
Niek A.W. Groenendijk
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Ferag AG
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Ferag AG
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    • 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
    • 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
    • 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 present invention relates to an apparatus for the optional transfer of flexible flat products, especially printed products such as newspapers, Magazines, envelopes and the like, from a along a first conveyor transported scale formation on a branching off from the first conveying path second funding route according to the preamble of patent claim 1.
  • a device of this type is known from EP-A-0 478 911 and the corresponding US-A-5,195,741 known and corresponds to the preamble of claim 1.
  • the first conveying path of this device is through a belt conveyor determines whose active run to form a falling step S-shaped is guided around deflection rollers. From each product - printed products - the in Scale formation by means of products transported by the belt conveyor when crossing the step - due to the inherent rigidity of the products - the previous one Edge and an adjoining edge area are exposed.
  • a one Defining the second conveyor path has two consecutive, conveyor arms articulated to one another and designed as belt conveyors on.
  • This conveyor arm pair is stationary pivoted and the upstream end is for releasing Products from the scale formation in a working position adjacent to the level and to finish releasing into a retreat position further from the step be brought.
  • the second conveyor detects when moving in the working position the product with its exposed leading edge area protrudes above the step. This and any subsequent products are transported further along the second conveyor path. With moving the upstream end of the second conveyor to the retreat position the last registered product is removed from the next product, so that this and the following products in the scale formation along the the first funding route.
  • the device according to the invention enables the first conveyor to be designed, Without a permanent step, which ensures a quiet run for the in Shed formation transported flexible flat products can be guaranteed can.
  • the first conveying path for exposing the leading edge and the adjoining edge area of the respective first product to be fed to the second conveying path can be changed.
  • Preferred embodiments of the device according to the invention are in the dependent Claims specified.
  • the device shown in the drawing has a first conveyor path 10 defining first conveyor 12. This is intended in one Scale formation S resulting flexible flat products 14, in the present Case newspapers to be transported in the conveying direction F. The device is proper also for the processing of other printed products, such as magazines, envelopes and the same.
  • a branch point 16 branches off from the first conveying path 10 second conveyor path 18, which is determined by a second conveyor device 20 is.
  • each product 14 lies on top of the respective one leading product.
  • the first conveyor 12 is at the branch point 16 an exposure device 22 is assigned, which is intended to the leading Edge 24 - in the present case the folded edge of the folded printed product - and an adjoining edge area 24 'of the first of the second Exposing conveyor 20 to be fed product 14.
  • the first conveyor device 12 has two series-connected devices Belt conveyors 26, 28 on the guide element which is in the rest position 30 32 of the exposure device 22 - see FIG. 1 - a conveying plane with a define straight first conveyor path 10.
  • the first belt conveyor 26 has a conveyor belt 34 at the downstream end at the branch point 16 around a driven roller 36 is guided. This forms a second guide element 32 ' the exposure device 22.
  • the upper active run 34 'of the conveyor belt 34 runs below the guide element 32, which is also designed as a roller 38 is. Viewed in the direction of conveyance F, the axis 38 'of the roller 38 is located upstream of the axis 36 'of the roller 36.
  • roller 38 is a hold-down belt 40, the active strand 40 'together with the active run 34 'of the conveyor belt 34 a conveyor gap 42 for the formation of scale S forms and its back strand 40 "by a length that can be changed Loop-forming length compensation device is guided.
  • upstream end of the first belt conveyor 26 is both the conveyor belt 34 and the hold-down belt 40 are guided around corresponding rollers.
  • the exposure device 22 consists of the two formed by the rollers 36, 38 Guide elements 32, 32 'and a drive element 46 - in the present case a cylinder-piston unit - for moving the roller 38 from the one in FIG. 1 rest position 30 shown in an exposed position 30 'shown in FIGS. 2 and 3 and back again.
  • a cylinder-piston unit - for moving the roller 38 from the one in FIG. 1 rest position 30 shown in an exposed position 30 'shown in FIGS. 2 and 3 and back again.
  • the change in Length of the active run 40 ′ of the hold-down belt 40 when the roller 38 is moved is by pivoting the spring-loaded lever of the length compensation device 44 compensated. To compensate for the corresponding changes in length of the conveyor belt 34, this is formed from rubber-elastic material.
  • the roller 38 is mounted on both sides of a tab 48, which on the other hand on the Roller 36 supporting shaft is freely pivoted.
  • the axis 38 'of the roller 38 thus moves along a portion of a circular trajectory 38 " about the axis 36 'of the roller 36.
  • the second conveyor device 20 has one above the second belt conveyor 28 arranged third belt conveyor 50 and a directly upstream of this Transfer conveyor 52 on.
  • the latter becomes a conveyor gap by two 54 forming ribbon conveyors 56, 58 formed, each two articulated with each other connected conveyor arms 60, 60 'and 62, 62'.
  • the third belt conveyor 50 directly upstream first conveyor arms 60, 62 are effective in conveying End pivotally supported one above the other in such a way that the conveyor gap 54 opens out at the level of the upper run of the third belt conveyor 50, the third product 14 transported by means of the transfer conveyor 52 To feed belt conveyor 50.
  • the upstream second conveyor arms 60 ', 62' At the free end of the first conveyor arms 60, 62 are the upstream second conveyor arms 60 ', 62', whose upstream located free end 64 by means of the drive element 46 of one in FIG. 1 retreat position 66 shown in a working position 66 'closer to the exposure device 22 and can be moved back again; compare FIGS. 2 and 3.
  • a tab-like bearing plate 70 is assigned to each of the conveyor arms 60, 60 'and 62, 62', bearing plates 70 of each ribbon conveyor 56 and 58 with one another are articulated. This joint connection also serves for storage of deflection rolls 72.
  • the downstream feed arms 60, 62 associated bearing plates 70 are pivotally mounted at the fixed bearing points, on which the deflection rollers 74 are mounted on the third belt conveyor 50.
  • a Diameter of the smaller deflection roller 76 is freely rotatable.
  • the tapes 78 run with its upper active run from the small deflection roller 76 to the deflection roller 72, to the deflection roller 74 at the third belt conveyor 50 and around a deflection roller 80 back to the small guide roller 76.
  • the guide roller 80 is arranged below the deflection roller 72 and on a protruding from the bearing plate 70 Boom mounted.
  • a small at the corners of a triangle Deflection roller 82 is freely rotatable. Two of these small deflection rollers 82 are located seen in view, on both sides of the end shield 70 and one approximately in the straight extension of the end shield 70 at the free end of the plate 70 '.
  • the the lower active run of the tapes 78 ' runs from the one arranged at the free end small deflection roller 82, around the ribbon conveyor 58 below small deflection roller 82, and around the deflection roller 72 of this ribbon conveyor 58 to the downstream deflection roller 74.
  • the back run runs from this around the deflection roller 72 and around the upper small one Deflection roller 82 back to that at the free end.
  • the drive element 46 drives controlling device.
  • rollers 36 and 38 are spaced apart from one another to such an extent that they have no nip form for the products 14 conveyed through. This allows the second conveyor path 18 supplied product 14 easily under the following Pull products 14 away because of the interaction of the active Trums 34 'with the roller 38 is retained.
  • rollers 36 and 38 it is also conceivable to make both rollers 36 and 38 movable, to adjust the direction of the outlet of the first belt conveyor 26 can.
  • the exposure device 22 it is not necessary for the exposure device 22 to be located downstream End of a belt conveyor is arranged. It can also be in the middle of the active Runs can be arranged, with a guide element 32 'below and that another 32 is located above the active run.
  • the second conveyor 20 can also be designed differently his.
  • all conveyors are included in the conveying device same conveyor speed continuously driven. But it is also possible to operate the second conveyor in start-stop mode.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Chain Conveyers (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The device comprises two successive belt conveyors (26, 28) for transporting products (14) in a slat formation (S) along the first conveyor path (10). A release device (22) is mounted on the downstream end of the first belt conveyor (26), consisting of a deflection roller (36) for the conveyor belt (34) of the belt conveyor (26), a guide element (32) embodied as a roller (38) and a drive element (46). The upstream end (66) of a transfer conveyor (52) is coupled to the drive element (46). When the free end (64) is in return position and the guide element (32) is in idle position (30), the slat formation (S) is transported in a straight line along the first conveyor path (10). If a product (14) from the slat formation (S) is to be transferred to the second conveyor path (18), the guide element (32) is then placed in release position (30') and the end (64) is placed in the working position (66') by means of the drive element (46). As a result of the curvature thus produced in the active trunk (34'), the front edge (24) and the following edge area (24') of the product (14) to be fed to the second conveyor path (18) is raised and is introduced into the conveyor gap (54) of the second conveyor path (18).

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum wahlweisen Überführen von flexiblen flächigen Erzeugnissen, insbesondere Druckereiprodukten wie Zeitungen, Zeitschriften, Kuverts und dergleichen, aus einer entlang eines ersten Förderweges transportierten Schuppenformation auf einen vom ersten Förderweg abzweigenden zweiten Förderweg gemäss dem Oberbegriff des Patentanspruchs 1.The present invention relates to an apparatus for the optional transfer of flexible flat products, especially printed products such as newspapers, Magazines, envelopes and the like, from a along a first conveyor transported scale formation on a branching off from the first conveying path second funding route according to the preamble of patent claim 1.

Eine Vorrichtung dieser Art ist aus der EP-A-0 478 911 und der entsprechenden US-A-5,195,741 bekannt und entspricht dem Oberbegriff des Anspruchs 1. Der erste Förderweg dieser Vorrichtung ist durch einen Bandförderer bestimmt, dessen aktives Trum zur Bildung einer fallenden Stufe S-förmig um Umlenkwalzen geführt ist. Von jedem Erzeugnis - Druckereiprodukten - der in Schuppenformation mittels des Bandförderers transportierten Erzeugnissen, wird beim Überqueren der Stufe - infolge der Eigensteifigkeit der Erzeugnisse - die vorlaufende Kante und ein an diese anschliessender Randbereich freigelegt. Eine einen zweiten Förderweg definierende Fördereinrichtung weist zwei hintereinander geschaltete, gelenkig miteinander verbundene, als Bandförderer ausgebildete Förderarme auf. Das stromabwärts gelegene Ende dieses Förderarmepaars ist ortsfest schwenkbar gelagert und das stromaufwärts gelegene Ende ist zum Herauslösen von Erzeugnissen aus der Schuppenformation in eine der Stufe benachbarte Arbeitslage und zum Beenden des Herauslösens in eine von der Stufe weiter beabstandete Rückzugslage verbringbar. Beim Bewegen in Arbeitslage erfasst die zweite Fördereinrichtung jenes Erzeugnis, welches mit seinem freigelegten vorauslaufenden Randbereich über die Stufe vorsteht. Dieses und allenfalls nachfolgende Erzeugnisse werden entlang des zweiten Förderweges weitertransportiert. Mit dem Bewegen des stromaufwärts liegenden Endes der zweiten Fördereinrichtung in die Rückzugslage wird das zuletzt erfasste Erzeugnis unter dem nachfolgenden Erzeugnis weggezogen, so dass dieses und die folgenden Erzeugnisse in der Schuppenformation entlang des ersten Förderweges weitergefördert werden. A device of this type is known from EP-A-0 478 911 and the corresponding US-A-5,195,741 known and corresponds to the preamble of claim 1. The first conveying path of this device is through a belt conveyor determines whose active run to form a falling step S-shaped is guided around deflection rollers. From each product - printed products - the in Scale formation by means of products transported by the belt conveyor when crossing the step - due to the inherent rigidity of the products - the previous one Edge and an adjoining edge area are exposed. A one Defining the second conveyor path has two consecutive, conveyor arms articulated to one another and designed as belt conveyors on. The downstream end of this conveyor arm pair is stationary pivoted and the upstream end is for releasing Products from the scale formation in a working position adjacent to the level and to finish releasing into a retreat position further from the step be brought. The second conveyor detects when moving in the working position the product with its exposed leading edge area protrudes above the step. This and any subsequent products are transported further along the second conveyor path. With moving the upstream end of the second conveyor to the retreat position the last registered product is removed from the next product, so that this and the following products in the scale formation along the the first funding route.

Aus der DE 11 13 358 ist eine Vorrichtung zum Ausscheiden fehlerhafter Bögen in bogenerzeugenden und -verarbeitenden Maschinen bekannt, bei der die Bögen zwischen endlosen Fördergurten bewegt werden. Zum Ausscheiden einzelner Bögen werden Teile der oberen und unteren Fördergurte mittels Leitrollen um eine feststehende gemeinsame Achse derart verschwenkt, dass der auszuschaltende Bogen von der normalen Bewegungsrichtung abgeleitet wird. Wegen der Förderung zwischen zwei Fördergurten eignet sich diese Vorrichtung nicht zum Ausscheiden einzelner Gegenstände aus einem Schuppenstrom. From DE 11 13 358 a device for Elimination of faulty sheets in sheet-producing and -processing machines known in which the arches be moved between endless conveyor belts. To the Elimination of individual arches becomes part of the upper one and lower conveyor belts by means of idlers fixed common axis pivoted so that the arc to be switched off from the normal Direction of movement is derived. Because of the Funding between two conveyor belts is suitable this device is not designed for individual excretion Objects from a stream of scales.

Ausgehend von diesem Stand der Technik ist es eine Aufgabe der vorliegenden Erfindung, die gattungsgemässe Vorrichtung derart weiterzubilden, dass bei hoher Verarbeitungskapazität ein ruhiger Lauf gewährleistet ist.Starting from this prior art, it is an object of the present invention to further develop the generic device in such a way that with high processing capacity a smooth run is guaranteed.

Diese Aufgabe wird mit einer Vorrichtung gelöst, die die Merkmale des gekennzeichnenden Teils des Anspruchs 1 aufweist.This object is achieved with a device which has the features of the characterizing part of claim 1 having.

Die erfindungsgemässe Vorrichtung ermöglicht eine Ausbildung der ersten Fördereinrichtung, ohne dauernd vorhandene Stufe, wodurch ein ruhiger Lauf für die in Schuppenformation transportierten flexiblen flächigen Erzeugnisse gewährleistet werden kann. Mittels Führungselementen kann der erste Förderweg zum Freilegen der vorauslaufenden Kante und des an diese anschliessenden Randbereichs des jeweils ersten dem zweiten Förderweg zuzuleitenden Erzeugnisses verändert werden.The device according to the invention enables the first conveyor to be designed, Without a permanent step, which ensures a quiet run for the in Shed formation transported flexible flat products can be guaranteed can. The first conveying path for exposing the leading edge and the adjoining edge area of the respective first product to be fed to the second conveying path can be changed.

Bevorzugte Ausbildungsformen der erfindungsgemässen Vorrichtung sind in den abhängigen Ansprüchen angegeben.Preferred embodiments of the device according to the invention are in the dependent Claims specified.

Die Erfindung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen rein schematisch:

Fig. 1
in Ansicht eine Ausführungsform der erfindungsgemässen Vorrichtung, wobei flexible flächige Erzeugnisse in Schuppenformation entlang eines ersten Förderweges transportiert werden;
Fig. 2
in gleicher Darstellung wie Fig. 1 die dort gezeigte Vorrichtung, wobei Erzeugnisse aus der Schuppenformation zu einem zweiten Förderweg überführt und entlang diesem weitergefördert werden; und
Fig. 3
gegenüber Fig. 2 vergrössert einen Teil der dort gezeigten Vorrichtung.
The invention is explained in more detail using an exemplary embodiment shown in the drawing. It shows purely schematically:
Fig. 1
in view an embodiment of the device according to the invention, wherein flexible flat products are transported in a scale formation along a first conveying path;
Fig. 2
in the same representation as FIG. 1, the device shown there, products from the scale formation being transferred to a second conveying path and being conveyed along this; and
Fig. 3
compared to Fig. 2 enlarged part of the device shown there.

Die in der Zeichnung dargestellte Vorrichtung weist eine einen ersten Förderweg 10 festlegende erste Fördereinrichtung 12 auf. Diese ist dazu bestimmt, in einer Schuppenformation S anfallende flexible flächige Erzeugnisse 14, im vorliegenden Fall Zeitungen, in Förderrichtung F zu transportieren. Die Vorrichtung eigent sich auch für die Verarbeitung von anderen Druckereiprodukten, wie Zeitschriften, Kuverts und dergleichen. Bei einer Abzweigstelle 16 zweigt vom ersten Förderweg 10 ein zweiter Förderweg 18 ab, welcher durch eine zweite Fördereinrichtung 20 bestimmt ist. In der anfallenden Schuppenformation S liegt jedes Erzeugnis 14 auf dem jeweils vorauslaufenden Erzeugnis auf. Der ersten Fördereinrichtung 12 ist bei der Abzweigstelle 16 eine Freilegeeinrichtung 22 zugeordnet, die dazu bestimmt ist, die vorlaufende Kante 24 - im vorliegenden Fall die Falzkante des gefalteten Druckereiprodukts - und einen daran anschliessenden Randbereich 24' des jeweils ersten der zweiten Fördereinrichtung 20 zuzuführenden Erzeugnisses 14 freizulegen.The device shown in the drawing has a first conveyor path 10 defining first conveyor 12. This is intended in one Scale formation S resulting flexible flat products 14, in the present Case newspapers to be transported in the conveying direction F. The device is proper also for the processing of other printed products, such as magazines, envelopes and the same. At a branch point 16 branches off from the first conveying path 10 second conveyor path 18, which is determined by a second conveyor device 20 is. In the resulting scale formation S, each product 14 lies on top of the respective one leading product. The first conveyor 12 is at the branch point 16 an exposure device 22 is assigned, which is intended to the leading Edge 24 - in the present case the folded edge of the folded printed product - and an adjoining edge area 24 'of the first of the second Exposing conveyor 20 to be fed product 14.

Die erste Fördereinrichtung 12 weist zwei unmittelbar hintereinander geschaltete Bandförderer 26, 28 auf, die bei sich in Ruhestellung 30 befindendem Führungselement 32 der Freilegeeinrichtung 22 - siehe Fig. 1 - eine Förderebene mit einem geradlinigen ersten Förderweg 10 festlegen. Der erste Bandförderer 26 weist ein Förderband 34 auf, das am stromabwärts gelegenen Ende bei der Abzweigstelle 16 um eine angetriebene Walze 36 geführt ist. Diese bildet ein zweites Führungselement 32' der Freilegeeinrichtung 22. Das obere aktive Trum 34' des Förderbandes 34 verläuft unterhalb des Führungselements 32 hindurch, welches ebenfalls als Walze 38 ausgebildet ist. In Förderrichtung F gesehen befindet sich die Achse 38' der Walze 38 stromaufwärts der Achse 36' der Walze 36. Um die als Führungselement 32 dienende Walze 38 ist ein Niederhalteband 40 geführt, dessen aktives Trum 40' zusammen mit dem aktiven Trum 34' des Förderbandes 34 einen Förderspalt 42 für die Schuppenformation S bildet und dessen Rücktrum 40" durch eine in ihrer Länge veränderbare Schlaufe bildende Längenausgleichseinrichtung geführt ist. Am nicht gezeigten, stromaufwärts gelegenen Ende des ersten Bandförderers 26 ist sowohl das Förderband 34 als auch das Niederhalteband 40 um entsprechende Walzen geführt.The first conveyor device 12 has two series-connected devices Belt conveyors 26, 28 on the guide element which is in the rest position 30 32 of the exposure device 22 - see FIG. 1 - a conveying plane with a define straight first conveyor path 10. The first belt conveyor 26 has a conveyor belt 34 at the downstream end at the branch point 16 around a driven roller 36 is guided. This forms a second guide element 32 ' the exposure device 22. The upper active run 34 'of the conveyor belt 34 runs below the guide element 32, which is also designed as a roller 38 is. Viewed in the direction of conveyance F, the axis 38 'of the roller 38 is located upstream of the axis 36 'of the roller 36. Around the one serving as the guide element 32 Roller 38 is a hold-down belt 40, the active strand 40 'together with the active run 34 'of the conveyor belt 34 a conveyor gap 42 for the formation of scale S forms and its back strand 40 "by a length that can be changed Loop-forming length compensation device is guided. On not shown upstream end of the first belt conveyor 26 is both the conveyor belt 34 and the hold-down belt 40 are guided around corresponding rollers.

Die Freilegeeinrichtung 22 besteht aus den beiden durch die Walzen 36, 38 gebildeten Führungselementen 32, 32' und einem Antriebselement 46 - im vorliegenden Fall einem Zylinder-Kolbenaggregat - zum Bewegen der Walze 38 aus der in der Fig. 1 gezeigten Ruhestellung 30 in eine in den Fig. 2 und 3 gezeigte Freilegestellung 30' und wieder zurück. Beim Bewegen aus der Ruhestellung 30, in welcher das Trum 34' des Förderbandes 34 geradlinig zur Walze 36 verläuft, in die Freilegestellung 30' wird das Trum 34' zwisachen der stationären Walze am stromaufwärtigen Ende des ersten Bandförderers 26 und der stationären Walze 36 abgesenkt, so dass es S-förmig um einen Bereich der Walze 38 und die Walze 36 verläuft. Die Änderung der Länge des aktiven Trums 40' des Niederhaltebandes 40 beim Bewegen der Walze 38 wird durch entsprechendes Verschwenken des federbelasteten Hebels der Längenausgleichseinrichtung 44 kompensiert. Zur Kompensation der entsprechenden Längenänderungen des Förderbandes 34 ist dieses aus gummielastischem Material gebildet.The exposure device 22 consists of the two formed by the rollers 36, 38 Guide elements 32, 32 'and a drive element 46 - in the present case a cylinder-piston unit - for moving the roller 38 from the one in FIG. 1 rest position 30 shown in an exposed position 30 'shown in FIGS. 2 and 3 and back again. When moving out of the rest position 30, in which the strand 34 ' of the conveyor belt 34 runs in a straight line to the roller 36, in the exposed position 30 ' the strand 34 'between the stationary roller at the upstream end of the first belt conveyor 26 and the stationary roller 36 lowered so that it is S-shaped extends around a portion of roller 38 and roller 36. The change in Length of the active run 40 ′ of the hold-down belt 40 when the roller 38 is moved is by pivoting the spring-loaded lever of the length compensation device 44 compensated. To compensate for the corresponding changes in length of the conveyor belt 34, this is formed from rubber-elastic material.

Die Walze 38 ist beidseits an je einer Lasche 48 gelagert, die andererseits an der die Walze 36 tragenden Welle frei schwenkbar gelagert ist. Die Achse 38' der Walze 38 bewegt sich somit entlang eines Abschnitts einer kreisförmigen Bewegungsbahn 38" um die Achse 36' der Walze 36.The roller 38 is mounted on both sides of a tab 48, which on the other hand on the Roller 36 supporting shaft is freely pivoted. The axis 38 'of the roller 38 thus moves along a portion of a circular trajectory 38 " about the axis 36 'of the roller 36.

Die zweite Fördereinrichtung 20 weist einen oberhalb des zweiten Bandförderers 28 angeordneten dritten Bandförderer 50 sowie einen diesem unmittelbar vorgeschalteten Überführförderer 52 auf. Letzterer wird durch zwei zusammen einen Förderspalt 54 bildende Bändchenförderer 56, 58 gebildet, die je zwei gelenkig miteinander verbundene Förderarme 60, 60' bzw. 62, 62' aufweisen. Die dem dritten Bandförderer 50 direkt vorgeschalteten ersten Förderarme 60, 62 sind mit ihrem förderwirksamen Ende übereinander ortsfest schwenkbar derart gelagert, dass der Förderspalt 54 auf der Höhe des Obertrums des dritten Bandförderers 50 ausmündet, um die mittels des Überführförderers 52 transportierten Erzeugnisse 14 dem dritten Bandförderer 50 zuzuleiten. An das freie Ende der ersten Förderarme 60, 62 sind die stromaufwärts gelegenen zweiten Förderarme 60', 62' angelenkt, deren stromaufwärts gelegenes freien Ende 64 mittels des Antriebselements 46 von einer in der Fig. 1 gezeigten Rückzugslage 66 in eine Arbeitslage 66' näher bei der Freilegeeinrichtung 22 und wieder zurück bewegbar ist; vergleiche Fig. 2 und 3.The second conveyor device 20 has one above the second belt conveyor 28 arranged third belt conveyor 50 and a directly upstream of this Transfer conveyor 52 on. The latter becomes a conveyor gap by two 54 forming ribbon conveyors 56, 58 formed, each two articulated with each other connected conveyor arms 60, 60 'and 62, 62'. The third belt conveyor 50 directly upstream first conveyor arms 60, 62 are effective in conveying End pivotally supported one above the other in such a way that the conveyor gap 54 opens out at the level of the upper run of the third belt conveyor 50, the third product 14 transported by means of the transfer conveyor 52 To feed belt conveyor 50. At the free end of the first conveyor arms 60, 62 are the upstream second conveyor arms 60 ', 62', whose upstream located free end 64 by means of the drive element 46 of one in FIG. 1 retreat position 66 shown in a working position 66 'closer to the exposure device 22 and can be moved back again; compare FIGS. 2 and 3.

Jedem der Förderarme 60, 60' bzw. 62, 62' ist ein laschenartiges Lagerschild 70 zugeordnet, wobei die Lagerschilder 70 jedes Bändchenförderers 56 bzw. 58 miteinander gelenkig verbunden sind. Diese Gelenkverbindung dient gleichzeitig zur Lagerung von Umlenkwalzen 72. Die den stromabwärts gelegenen Förderarmen 60, 62 zugeordneten Lagerschilder 70 sind an den ortsfesten Lagerstellen schwenkbar gelagert, an welchen die Umlenkwalzen 74 beim dritten Bandförderer 50 gelagert sind. Am freien Ende des dem Förderarm 60' zugeordneten Lagerschildes 70 ist eine im Durchmesser kleinere Umlenkwalze 76 frei drehbar gelagert. Die Bändchen 78 verlaufen mit ihrem oberen aktiven Trum von der kleinen Umlenkwalze 76 zur Umlenkwalze 72, zur Umlenkwalze 74 beim dritten Bandförderer 50 und um ein Umlenkwälzchen 80 zurück zur kleinen Umlenkwalze 76. Das Umlenkwälzchen 80 ist unterhalb der Umlenkwalze 72 angeordnet und an einem vom Lagerschild 70 abstehenden Ausleger gelagert.A tab-like bearing plate 70 is assigned to each of the conveyor arms 60, 60 'and 62, 62', bearing plates 70 of each ribbon conveyor 56 and 58 with one another are articulated. This joint connection also serves for storage of deflection rolls 72. The downstream feed arms 60, 62 associated bearing plates 70 are pivotally mounted at the fixed bearing points, on which the deflection rollers 74 are mounted on the third belt conveyor 50. At the free end of the end plate 70 associated with the conveyor arm 60 'there is a Diameter of the smaller deflection roller 76 is freely rotatable. The tapes 78 run with its upper active run from the small deflection roller 76 to the deflection roller 72, to the deflection roller 74 at the third belt conveyor 50 and around a deflection roller 80 back to the small guide roller 76. The guide roller 80 is arranged below the deflection roller 72 and on a protruding from the bearing plate 70 Boom mounted.

Am freien Ende des dem Förderarm 62' zugeordneten Lagerschildes 70 ist eine rautenförmige Platte 70' befestigt, an der an den Ecken eines Dreiecks je eine kleine Umlenkwalze 82 frei drehbar gelagert ist. Zwei dieser kleinen Umlenkwalzen 82 befinden sich, in Ansicht gesehen, beidseitig des Lagerschilds 70 und eines etwa in der geradlinigen Verlängerung des Lagerschildes 70 am freien Ende der Platte 70'. Das untere aktive Trum der Bändchen 78' verläuft von der am freien Ende angeordneten kleinen Umlenkwalze 82, um die dem untenliegenden Bändchenförderer 58 zugewandte kleine Umlenkwalze 82, und um die Umlenkwalze 72 dieses Bändchenförderers 58 zur stromabwärts gelegenen ortfest gelagerten Umlenkwalze 74. Das Rücktrum verläuft von dieser um die Umlenkwalze 72 und um die obere kleine Umlenkwalze 82 zurück zu jener am freien Ende. Die Bändchen 78, 78' bilden am stromaufwärts gelegenen Ende 64 des Überführförderers 52 einen in Förderrichtung F gesehen sich verengenden Einlauf 54' in den Förderspalt 54.At the free end of the bearing plate 70 assigned to the conveyor arm 62 'is a diamond-shaped one Plate 70 'attached, a small at the corners of a triangle Deflection roller 82 is freely rotatable. Two of these small deflection rollers 82 are located seen in view, on both sides of the end shield 70 and one approximately in the straight extension of the end shield 70 at the free end of the plate 70 '. The the lower active run of the tapes 78 'runs from the one arranged at the free end small deflection roller 82, around the ribbon conveyor 58 below small deflection roller 82, and around the deflection roller 72 of this ribbon conveyor 58 to the downstream deflection roller 74. The back run runs from this around the deflection roller 72 and around the upper small one Deflection roller 82 back to that at the free end. The tapes 78, 78 'form on upstream end 64 of the transfer conveyor 52 one in the conveying direction F seen narrowing inlet 54 'into the conveyor gap 54.

Die Welle 82', an welcher die am freien Ende des obenliegenden Bändchenförderers 58 angeordnete kleine Umlenkwalze 82 frei drehbar gelagert ist, steht in axialer Richtung über die Platte 70' vor. Mit diesen vorstehenden Endbereichen ist die Welle 82' in einem geradlinigen Führungselement 86 geführt. In Arbeitslage 66' befindet sich die an der Welle 82' gelagerte kleine Umlenkwalze 82 nahe bei der Walze 38 und etwa in gleicher Höhe wie deren Achse 38', während sich die kleine Umlenkwalze 76 benachbart zur Walze 36 befindet. Eine gedachte geradlinige Verlängerung des Förderspalts 54 bildet etwa eine Tangente an die Walze 36. Oberhalb der Welle 82' ist an die Platte 70' eine Antriebslasche 84 angelenkt, die andererseits an der die Walze 38 tragenden Welle schwenkbar gelagert ist.The shaft 82 'on which the at the free end of the overhead ribbon conveyor 58 arranged small deflection roller 82 is freely rotatable, stands in the axial direction over the plate 70 '. With these projecting end regions, the shaft 82 ' guided in a linear guide element 86. In work position 66 ' the small deflection roller 82 mounted on the shaft 82 'close to the roller 38 and approximately at the same height as its axis 38 ', while the small deflection roller 76 is adjacent to the roller 36. An imaginary straight extension of the production gap 54 forms approximately a tangent to the roller 36. Above the shaft 82 ' on the plate 70 'a drive tab 84 is articulated, on the other hand on the roller 38 supporting shaft is pivotally mounted.

Die Funktionsweise der in den Fig. 1 bis 3 gezeigten Vorrichtung ist wie folgt. In Ruhestellung 30 der Walze 38 und somit in Rückzugslage 66 des Endes 64 des Überführförderers 52 wird die Schuppenformation S zwischen den Walzen 36, 38 der Freilegeeinrichtung 22 hindurch in der Förderebene dem zweiten Bandförderer 28 zuund mittels diesem weggefördert. Ist nun mindestens ein Erzeugnis 14 aus der Schuppenformation S auszuschleusen, werden mittels des Antriebselements 46 gleichzeitig die Walze 38 in die Freilegestellung 30' und das Ende 64 des Überführförderers 52 in die Arbeitslage 66' verbracht. Infolge der dadurch erzeugten Veränderung des Verlaufs des aktiven Trums 34' des Förderbands 34 und unter Ausnützung der Eigensteifigkeit der Erzeugnisse 14 hebt sich die vorauslaufende Kante 24 und der daran anschliessende Randbereich 24' jenes Erzeugnisses, welches mit seiner vorauslaufenden Kante 24 den von den Walzen 36 und 38 definierten Durchlass verlässt, vom vorauslaufenden noch dem zweiten Bandförderer 28 zuzuführenden bzw. zugeführten Erzeugnis 14 ab. Es stösst mit seiner vorauslaufenden Kante 24 in einem spitzen Winkel an den sich zwischen den kleinen Umlenkwalzen 82 befindlichen Abschnitt der Bändchen 78' an und wird von diesen in Richtung des Förderspalts 54 mitnehmend umgelenkt. Ist nur ein einziges Erzeugnis 14 der Schuppenformation S zu entnehmen, wird nun sobald das betreffende Erzeugnis 14 mit dem vorauslaufenden Randbereich 24' im Förderspalt 54 gehalten ist, das Antriebselement 46 aktiviert. Infolge der dadurch hervorgerufenen Bewegung einerseits des Endes 64 des Überführförderers 52, wird das von diesem erfasste Erzeugnis 14 unter dem nachfolgenden Erzeugnis 14 hervorgezogen und entlang des zweiten Förderweges 18 weitergefördert, und andererseits infolge des Verschwenkens der Walze 38 in die Ruhestellung 30 die nachfolgenden Erzeugnisse 14 wiederum entlang des ersten Förderwegs 10 weitergefördert.The operation of the device shown in FIGS. 1 to 3 is as follows. In Rest position 30 of the roller 38 and thus in the retracted position 66 of the end 64 of the Transfer conveyor 52 is the scale formation S between the rollers 36, 38 of the Exposure device 22 through and in the conveyor plane to the second belt conveyor 28 promoted by means of this. Is now at least one product 14 from the Discharging scale formation S is by means of the drive element 46 at the same time the roller 38 in the exposed position 30 'and the end 64 of the Transfer conveyor 52 spent in the working position 66 '. As a result of the generated Change in the course of the active run 34 'of the conveyor belt 34 and below Taking advantage of the inherent rigidity of the products 14 raises the preceding one Edge 24 and the adjoining edge region 24 'of that product, which with its leading edge 24 that defined by the rollers 36 and 38 Passage leaves, from the leading still the second belt conveyor 28 product 14 to be supplied or supplied. It bumps with its leading Edge 24 at an acute angle between the small ones Deflecting rollers 82 located section of the tapes 78 'and of these in Redirecting direction of the conveyor gap 54 driving. Is only one product 14 of the scale formation S is now as soon as the product in question 14 is held in the conveyor gap 54 with the leading edge region 24 ', the drive element 46 activated. As a result of the movement caused thereby on the one hand of the end 64 of the transfer conveyor 52, that which is captured by the latter Product 14 extracted from the following product 14 and along the second conveyor 18 further promoted, and on the other hand due to the pivoting the roller 38 in the rest position 30 the subsequent products 14 in turn conveyed further along the first conveyor path 10.

Sind mehrere aufeinanderfolgende Erzeugnisse 14 vom ersten Förderweg 10 in den zweiten Förderweg 18 zu überführen, werden die Freilegestellung 30' und die Arbeitslage 66' entsprechend länger eingehalten.Are several successive products 14 from the first conveyor 10 in the To transfer second conveyor path 18, the exposed position 30 'and the work situation 66 'observed accordingly longer.

Zur Synchronisation der Freilegeeinrichtung 22 und des Überführförderers 52 mit den Erzeugnissen 14 der ankommenden Schuppenformation S ist in bevorzugter Weise stromaufwärts der Abzweigstelle 16 ein Sensor zum Erkennen der vorlaufenden Kante 24 der Erzeugnisse 14 angeordnet, welcher seine Signale an eine, das Antriebselement 46 ansteuernde Steuereinrichtung abgibt.To synchronize the exposure device 22 and the transfer conveyor 52 with the Products 14 of the incoming scale formation S is preferred upstream of the junction 16, a sensor for detecting the leading Edge 24 of the products 14 arranged, which sends its signals to one, the drive element 46 drives controlling device.

Die Walzen 36 und 38 sind soweit voneinander beabstandet, dass sie keinen Klemmspalt für die hindurchgeförderten Erzeugnisse 14 bilden. Dadurch lässt sich das dem zweiten Förderweg 18 zugeführte Erzeugnis 14 problemlos unter dem nachfolgenden Erzeugnissen 14 wegziehen, weil dieses durch das Zusammenwirken des aktiven Trums 34' mit der Walze 38 zurückgehalten wird. The rollers 36 and 38 are spaced apart from one another to such an extent that they have no nip form for the products 14 conveyed through. This allows the second conveyor path 18 supplied product 14 easily under the following Pull products 14 away because of the interaction of the active Trums 34 'with the roller 38 is retained.

Selbstverständlich ist es auch denkbar, beide Walzen 36 und 38 bewegbar auszubilden, um die Richtung des Auslaufs des ersten Bandförderers 26 versteilen zu können.Of course, it is also conceivable to make both rollers 36 and 38 movable, to adjust the direction of the outlet of the first belt conveyor 26 can.

Es ist auch möglich, das passive Trum des Förderbandes 34 durch eine Längenausgleichseinrichtung zu führen; in diesem Fall braucht das Förderband 34 nicht elastisch ausgebildet zu sein.It is also possible to pass the passive run of the conveyor belt 34 by means of a length compensation device respectively; in this case the conveyor belt 34 does not need to be elastic.

Es ist nicht notwendig, dass die Freilegeeinrichtung 22 am stromabwärts gelegenen Ende eines Bandförderers angeordnet ist. Sie kann auch in der Mitte des aktiven Trums angeordnet sein, wobei sich ein Führungselement 32' unterhalb und das andere 32 oberhalb des aktiven Trums befindet.It is not necessary for the exposure device 22 to be located downstream End of a belt conveyor is arranged. It can also be in the middle of the active Runs can be arranged, with a guide element 32 'below and that another 32 is located above the active run.

Selbstverständlich kann auch die zweite Fördereinrichtung 20 unterschiedlich ausgebildet sein.Of course, the second conveyor 20 can also be designed differently his.

Im gezeigten Ausführungsbeispiel sind alle Förderer bei der Fördereinrichtung mit derselben Fördergeschwindigkeit kontinuierlich angetrieben. Es ist aber auch möglich, die zweite Fördereinrichtung im start-stopp Betrieb zu betreiben.In the exemplary embodiment shown, all conveyors are included in the conveying device same conveyor speed continuously driven. But it is also possible to operate the second conveyor in start-stop mode.

Claims (9)

  1. Apparatus for optionally transferring flexible sheet-like products, in particular printed products such as newspapers, periodicals, envelopes and the like, from an imbricated formation (S) transported along a first conveying path (10) onto a second conveying path (18) which branches off from the first conveying path (10), having a first conveying arrangement (12), which predetermines the first conveying path (10) and has exposure means (22) for exposing a leading edge (24) and an adjoining border region (24') of the products (14), and having a second conveying arrangement (20) which determines the second conveying path (18) and of which the upstream end (64), for the purpose of releasing products (14) from the imbricated formation (S), can be moved into an operating position (66'), adjacent to the exposure means (22), and, for the purpose of terminating the release operation, can be moved into a retracted position (66), spaced apart further from the exposure means (22), characterized in that the exposure means (22) have in each case one guide element (32, 32') on the two sides of the first conveying path (10) and, for the purpose of transferring products (14) from the imbricated formation (S), said guide elements (32, 32') can be moved relative to one another from a rest position (30), in a direction transverse to the first conveying path (10) into an exposure position (30') in order, on account of the resulting change in the first conveying path (10), for the leading edge (24) and the leading border region (24') of the relevant product (14) to be exposed and deflected from the first conveying path (10) in the direction of the second conveying path (20), it being possible for the upstream end (64) of the second conveying arrangement (20) and the movable guide element (32) to be moved, by means of a common drive element (46), from the retracted position (66) or the rest position (30) into the operating position (66') or exposure position (30') and back again.
  2. Apparatus according to Claim 1, characterized in that the first conveying path (10), with the guide elements (32, 32') located in the rest position (30), runs at least more or less rectilinearly and, with the guide elements (32, 32') located in the exposure position (30'), runs in the form of an S.
  3. Apparatus according to Claim 1 or 2, characterized in that the guide elements (32, 32') are formed by rollers (36, 38).
  4. Apparatus according to Claim 3, characterized in that a first of the rollers (36) is mounted in a stationary manner and the other, second of the rollers (38) is arranged upstream of the first roller (36).
  5. Apparatus according to Claim 4, characterized in that the second roller (38) can be moved along a movement path (38''), which runs in the form of part of a circle arc about the axis (36') of the first roller (36), from the rest position (30) into the exposure position (30') and back again.
  6. Apparatus according to one of Claims 1 to 5, characterized in that the first conveying arrangement (12) has a belt conveyor (26), and one of the guide elements (32, 32') is arranged above, and the other (36) is arranged beneath, the active strand (34') of the belt conveyor (26).
  7. Apparatus according to one of Claims 1 to 6, characterized in that the second conveying arrangement (20) has conveying belts (78, 78') which form a conveying nip (54) and at the upstream end (64), in the operating position (66'), run past in each case one of the guide elements (32, 32') and form a tapering inlet (54') into the conveying nip (54).
  8. Apparatus according to Claims 3 and 6, characterized in that the conveying belt (34) of the belt conveyor (26) is guided around the roller (36), which is arranged beneath the active strand (34'), and in that a holding-down belt (40) is guided around the roller (38), which is arranged above the active strand (34'), said holding-down belt forming, together with the conveying belt (34), a conveying nip (42) for the imbricated formation (S).
  9. Apparatus according to Claim 6 or 8, characterized in that the conveying belt (34) is of elastomeric design or is guided around a length-compensating means.
EP99959170A 1999-03-19 1999-12-27 Device for transferring products between conveyor parts Expired - Lifetime EP1169251B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH52099 1999-03-19
CH52099 1999-03-19
PCT/CH1999/000627 WO2000056648A1 (en) 1999-03-19 1999-12-27 Device for transferring products between conveyor paths

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EP1169251A1 EP1169251A1 (en) 2002-01-09
EP1169251B1 true EP1169251B1 (en) 2003-06-11

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EP (1) EP1169251B1 (en)
AT (1) ATE242747T1 (en)
AU (1) AU761373B2 (en)
CA (1) CA2362688A1 (en)
DE (1) DE59905961D1 (en)
DK (1) DK1169251T3 (en)
WO (1) WO2000056648A1 (en)

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CH700152B1 (en) 2008-12-24 2012-07-31 Ferag Ag Apparatus and method for separating a stream of conveyed objects.
CN110040554B (en) * 2019-04-18 2021-09-21 浙江蓝宝机械有限公司 Alternate delivery device
JP2022100007A (en) * 2020-12-23 2022-07-05 セイコーエプソン株式会社 Transport device and printer

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DE1113358B (en) * 1957-05-11 1961-08-31 Jagenberg Werke Ag Device for eliminating defective sheets in sheet-producing and processing machines
EP0478911B1 (en) * 1990-10-04 1995-04-05 Ferag AG Device for the selective transfer of overlapping articles from a first conveyor to a second conveyor

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AU761373B2 (en) 2003-06-05
WO2000056648A1 (en) 2000-09-28
ATE242747T1 (en) 2003-06-15
DE59905961D1 (en) 2003-07-17
EP1169251A1 (en) 2002-01-09
DK1169251T3 (en) 2003-07-14
AU1646600A (en) 2000-10-09
CA2362688A1 (en) 2000-09-28

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