EP0696549A1 - Device for straightening the front edge of flat mail - Google Patents

Device for straightening the front edge of flat mail Download PDF

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Publication number
EP0696549A1
EP0696549A1 EP95112507A EP95112507A EP0696549A1 EP 0696549 A1 EP0696549 A1 EP 0696549A1 EP 95112507 A EP95112507 A EP 95112507A EP 95112507 A EP95112507 A EP 95112507A EP 0696549 A1 EP0696549 A1 EP 0696549A1
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EP
European Patent Office
Prior art keywords
mail items
stack
guide wall
assembly
front edges
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.)
Withdrawn
Application number
EP95112507A
Other languages
German (de)
French (fr)
Inventor
Werner Frank
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.)
Siemens AG
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0696549A1 publication Critical patent/EP0696549A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/50—Elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile

Definitions

  • the invention relates to a device for erecting leading edges of flat mail items according to the preamble of claim 1.
  • a device for separating flat mail items is known for example from DE 43 28 434.
  • flat mail items are separated from a stack with a take-off element running in the conveying direction, which acts on the mail item to be removed by friction.
  • This device has a guide wall, which forms a passage opening with the trigger element, for the mail items supported by a support surface.
  • a certain proportion of the shipments is caused by the previous transport or by tying in bundles, torn or bent.
  • Such mail items are usually placed on the support surface of the separating device without further processing and, with their front edges which may have been bent over, drawn in by the take-off element. They are bent or folded even further. Such bent at their leading edge shipments cause difficulties in further processing, since z. B.
  • the object of the present invention is to provide a device for erecting the leading edges of flat items such as letters etc. in a separating device.
  • one or more stripping elements are arranged in the pull-off direction behind the assembly.
  • spaces are provided between the plurality of rotating brushes, in which the stripping elements are arranged.
  • one or more support rollers are arranged in the pull-off direction in front of the assembly group, by means of which a force is exerted on the stack opposite to the direction of the pull-off member.
  • the device according to the invention shown in Fig. 1 has a take-off device 1, which consists of a plurality of pulling belts running in parallel over rollers 2, a guide wall 3, for the front edges of the stacked mail items 4, which is conveyed through a passage opening 5 formed by the guide wall and the take-off device be on.
  • the trigger belts are coated with a material with a high friction coefficient.
  • the stacked mail items are supported by a support surface 7.
  • the support surface can also have a base band.
  • a module 6 is arranged in the area of the passage opening 5 between the guide wall and the trigger element.
  • the assembly has one or more rotating brushes 8.
  • the axis of rotation of the brushes is essentially perpendicular to the direction in which the items are withdrawn and is oriented towards the stack in such a way that the leading edges are erected. This takes place in that force is introduced into the front edges of the mail items by the brushes in the direction of the trigger element.
  • Shown in the upper part of FIG. 1 are mail items whose front edges are bent opposite to the direction of the take-off member, while in the lower part of FIG. 1, which is carried out schematically, the mail items closest to the take-off member have front edges which are erected.
  • FIG. 2 shows a side view of the device according to FIG. 1 in the X direction. Spaces 13 are provided between the rotating brushes 8 of the assembly 6, in which the stripping elements 12 are arranged. This enables optimal positioning of both stripping elements and brushes relative to the extractor and the stack of items.
  • the peripheral speed of the brush rotation should be greater than the transport speed of the mail items through the take-off device in order to achieve a supportive carry-along effect for the mail items.

Abstract

The device is for alignment of the front edges of flat despatches in an individualisation device, with a withdrawal component (1) running out of a stack in the delivery direction and acting by friction on the despatch to be withdrawn. A guide wall (3) forms with the withdrawal component a through-passage aperture (5) for the despatch. In the area of the through-passage aperture between the guide wall and the withdrawal component an assembly group (6) is arranged, which has one or more rotating brushes (8), whereby the rotation axis is vertical to the withdrawal direction of the despatches and is so orientated to the stack that a force application occurs in the front edges of the despatches in the direction of the withdrawal component.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Aufrichten von Vorderkanten von flachen Sendungen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for erecting leading edges of flat mail items according to the preamble of claim 1.

Eine Vorrichtung zur Vereinzelung von flachen Sendungen ist beispielsweise aus der DE 43 28 434 bekannt. In einer solchen Vorrichtung erfolgt eine Vereinzelung von flachen Sendungen aus einem Stapel mit einem in Förderrichtung laufenden Abzugorgan, welches durch Reibung auf die jeweils abzuziehende Sendung einwirkt. Diese Vorrichtung weist eine mit dem Abzugorgan eine Durchlaßöffnung bildende Leitwand für die von einer Auflagefläche unterstützten Sendungen auf. Ein bestimmter Anteil der Sendungen ist, verursacht durch den vorhergehenden Transport bzw. durch das Abbinden in Bunden, eingerissen oder auch umgebogen. Üblicherweise werden solche Sendungen ohne weitere Bearbeitung auf die Auflagefläche der Vereinzelungsvorrichtung gelegt und mit ihren gegebenenfalls umgebogenen Vorderkanten vom Abzugorgan eingezogen. Sie werden dabei noch weiter umgebogen bzw. gefaltet. Solche an ihrer Vorderkante umgebogenen Sendungen verursachen bei der weiteren Bearbeitung Schwierigkeiten, da z. B. der Abstand Vorderkante zu einer angebrachten Codierung nicht mehr den vorgeschriebenen Wert aufweist. Dies führt dazu, daß korrekt codierte Sendungen fälschlicherweise ausgeschieden werden. Ein weiteres Problem besteht darin, daß beim späteren Abstapeln solcher Sendungen die nachfolgende Sendung in die umgebogene Vorderkante gleitet. Dies kann zu einer mechanischen Verhakung der beiden Sendungen führen, die nicht oder nur mit großen Schwierigkeiten wieder aufgelöst werden kann.A device for separating flat mail items is known for example from DE 43 28 434. In such a device, flat mail items are separated from a stack with a take-off element running in the conveying direction, which acts on the mail item to be removed by friction. This device has a guide wall, which forms a passage opening with the trigger element, for the mail items supported by a support surface. A certain proportion of the shipments is caused by the previous transport or by tying in bundles, torn or bent. Such mail items are usually placed on the support surface of the separating device without further processing and, with their front edges which may have been bent over, drawn in by the take-off element. They are bent or folded even further. Such bent at their leading edge shipments cause difficulties in further processing, since z. B. the distance from the leading edge to an attached coding no longer has the prescribed value. This leads to incorrectly coded programs being erroneously eliminated. Another problem is that when such mail items are later stacked, the subsequent mail item slides into the bent leading edge. This can lead to mechanical interlocking of the two mail items, which cannot be resolved or only with great difficulty.

Aufgabe der vorliegenden Erfindung ist die Schaffung einer Vorrichtung zum Aufrichten der Vorderkanten von flachen Sendungen wie Briefen usw. in einer Vereinzelungsvorrichtung.The object of the present invention is to provide a device for erecting the leading edges of flat items such as letters etc. in a separating device.

Die erfindungsgemäße Lösung der Aufgabe ist den Merkmalen des Patentanspruchs 1 zu entnehmen. Danach wird bei einer Vorrichtung zum Aufrichten der Vorderkanten von flachen Sendungen in einer Vereinzelungsvorrichtung durch die Sendungen aus einem Stapel Sendungen abgezogen werden, mit einem in Förderrichtung laufenden Abzugorgan, welches durch Reibung auf die jeweils abzuziehende Sendung einwirkt, mit einer mit dem Abzugorgan eine Durchlaßöffnung für die sendungbildende Leitwand für die von einer Auflagefläche unterstützten Sendungen im Bereich der Durchlaßöffnung zwischen Leitwand und Abzugorgan, eine Baugruppe angeordnet, die eine oder mehrere Bürsten aufweist, wobei die Rotationsachse im wesentlichen senkrecht zur Abzugrichtung der Sendungen steht und derart zum Stapel orientiert ist, daß eine Krafteinleitung in die Vorderkanten der Sendungen in Richtung auf das Abzugorgan erfolgt.The achievement of the object according to the invention can be gathered from the features of patent claim 1. Thereafter, in a device for erecting the leading edges of flat mail items in a separating device through the mail items are withdrawn from a stack of mail items, with a removal element running in the conveying direction, which acts on the respective item to be removed by friction, with a passage opening for the removal element the consignment-forming guide wall for the mail items supported by a support surface in the area of the passage opening between the guide wall and take-off element, an assembly which has one or more brushes, the axis of rotation being essentially perpendicular to the take-off direction of the mail items and being oriented to the stack such that a Force is applied to the front edges of the mail items in the direction of the trigger element.

Bei einer bevorzugten Ausführungsform der Erfindung sind in Abzugrichtung hinter der Baugruppe ein oder mehrere Abstreifelemente angeordnet.In a preferred embodiment of the invention, one or more stripping elements are arranged in the pull-off direction behind the assembly.

Bei einer weiteren bevorzugten Ausführungsform der Erfindung sind zwischen den mehreren rotierenden Bürsten Zwischenräume vorgesehen, in denen die Abstreifelemente angeordnet sind.In a further preferred embodiment of the invention, spaces are provided between the plurality of rotating brushes, in which the stripping elements are arranged.

Bei einer weiteren bevorzugten Ausführungsform der Erfindung sind in Abzugrichtung vor der Baugrupe ein oder mehrere Stützrollen angeordnet, durch die auf den Stapel eine Kraft entgegengesetzt zur Richtung auf das Abzugorgan ausgeübt wird.In a further preferred embodiment of the invention, one or more support rollers are arranged in the pull-off direction in front of the assembly group, by means of which a force is exerted on the stack opposite to the direction of the pull-off member.

Die Erfindung wird im folgenden anhand von Zeichnungen näher beschrieben.

Fig. 1
zeigt eine erfindungsgemäße Vorrichtung in Gesamtansicht von oben,
Fig. 2
zeigt eine Ansicht X der Vorrichtung nach Fig. 1.
The invention is described below with reference to drawings.
Fig. 1
shows a device according to the invention in an overall view from above,
Fig. 2
shows a view X of the device of FIG. 1st

Die in Fig. 1 gezeigte erfindungsgemäße Vorrichtung weist ein Abzugorgan 1, das aus mehreren parallel laufenden über Rollen 2 geführten Abzugbändern besteht, eine Leitwand 3, für die Vorderkanten der gestapelten Sendungen 4, die durch eine von der Leitwand und dem Abzugorgan gebildete Durchlaßöffnung 5 befördert werden, auf. Die Abzugbänder sind mit einem Material mit hohem Reibwert belegt. Die gestapelten Sendungen werden von einer Auflagefläche 7 unterstützt. Die Auflagefläche kann auch ein Grundband aufweisen.The device according to the invention shown in Fig. 1 has a take-off device 1, which consists of a plurality of pulling belts running in parallel over rollers 2, a guide wall 3, for the front edges of the stacked mail items 4, which is conveyed through a passage opening 5 formed by the guide wall and the take-off device be on. The trigger belts are coated with a material with a high friction coefficient. The stacked mail items are supported by a support surface 7. The support surface can also have a base band.

Im Bereich der Durchlaßöffnung 5 zwischen Leitwand und Abzugorgan ist eine Baugruppe 6 angeordnet. Die Baugruppe weist eine oder mehrere rotierende Bürsten 8 auf. Die Rotationsachse der Bürsten steht im wesentlichen senkrecht zur Abzugrichtung der Sendungen und ist derart zum Stapel orientiert, daß die Vorderkanten aufgerichtet werden. Dies erfolgt dadurch, daß eine Krafteinleitung in die Vorderkanten der Sendungen durch die Bürsten in Richtung auf das Abzugorgan erfolgt. Im oberen Teil von Fig. 1 werden Sendungen dargestellt, deren Vorderkanten entgegengesetzt zur Richtung des Abzugorgans umgebogen sind, während im unteren schematisch ausgeführten Teil von Fig. 1 die am nächsten am Abzugorgan befindlichen Sendungen Vorderkanten aufweisen, die aufgerichtet werden.A module 6 is arranged in the area of the passage opening 5 between the guide wall and the trigger element. The assembly has one or more rotating brushes 8. The axis of rotation of the brushes is essentially perpendicular to the direction in which the items are withdrawn and is oriented towards the stack in such a way that the leading edges are erected. This takes place in that force is introduced into the front edges of the mail items by the brushes in the direction of the trigger element. Shown in the upper part of FIG. 1 are mail items whose front edges are bent opposite to the direction of the take-off member, while in the lower part of FIG. 1, which is carried out schematically, the mail items closest to the take-off member have front edges which are erected.

Der Antrieb der Bürsten 8 erfolgt durch eine Riemenverbindung 9 von einem Servo-Motor 10. Ein alternativer Antrieb kann auch durch einen gesonderten Motor 11 erfolgen.The brushes 8 are driven by a belt connection 9 from a servo motor 10. An alternative drive can also be carried out by a separate motor 11.

In Abzugrichtung hinter der Baugruppe 6 sind ein oder mehrere Abstreifelemente 12 angeordnet, die dazu dienen die Anzahl von Doppelabzügen zu reduzieren.In the pull-off direction behind the assembly 6, one or more stripping elements 12 are arranged, which serve to reduce the number of double pull-offs.

Fig. 2 zeigt eine Seitenansicht der Vorrichtung nach Fig. 1 in X-Richtung. Zwischen den rotierenden Bürsten 8 der Baugruppe 6 sind Zwischenräume 13 vorgesehen, in denen die Abstreifelemente 12 angeordnet sind. Dies ermöglicht eine optimale Positionierung sowohl von Abstreifelementen wie auch von Bürsten relativ zum Abzugorgan und zum Sendungsstapel.FIG. 2 shows a side view of the device according to FIG. 1 in the X direction. Spaces 13 are provided between the rotating brushes 8 of the assembly 6, in which the stripping elements 12 are arranged. This enables optimal positioning of both stripping elements and brushes relative to the extractor and the stack of items.

Die erfindungsgemäße Vorrichtung arbeitet im wesentlichen folgendermaßen: Durch das Abzugorgan 1 werden Sendungen von dem Stapel 4 in Richtung auf Übernahmebänder 14 abgezogen. Dies kann im üblichen Start-Stop-Betrieb erfolgen oder auch durch eine Betriebsweise mit Zwischenstart. Die Bürsten 8 der Baugruppe 6 richten die Vorderkanten von ggf. umgebogenen Sendungen auf, indem sie eine Kraft in Richtung auf das Abzugorgan einleiten. Die Bürsten können permanent rotieren oder synchron mit dem Start-Stop des Abzugorgans angetrieben werden.The device according to the invention essentially works as follows: Consignments are drawn off from the stack 4 in the direction of transfer belts 14 by the take-off device 1. This can be done in the usual start-stop mode or by an intermediate start mode. The brushes 8 of the assembly 6 raise the leading edges of possibly bent mail items by introducing a force in the direction of the trigger element. The brushes can rotate continuously or can be driven synchronously with the start-stop of the extractor.

Die Umfangsgeschwindigkeit der Bürstenrotation sollte größer sein als die Transportgeschwindigkeit der Sendungen durch das Abzugorgan, um für die Sendungen einen unterstützenden Mitnahmeeffekt zu erreichen.The peripheral speed of the brush rotation should be greater than the transport speed of the mail items through the take-off device in order to achieve a supportive carry-along effect for the mail items.

Claims (4)

Vorrichtung zum Aufrichten der Vorderkanten von flachen Sendungen in einer Vereinzelungsvorrichtung, wobei aus einem Stapel mit einem in Förderrichtung laufenden Abzugorgan (1), welches durch Reibung auf die jeweils abzuziehende Sendung einwirkt, mit einer mit dem Abzugorgan (1) eine Durchlaßöffnung (5) für die Sendung bildenden Leitwand (3) für die von einer Auflagefläche (7) unterstützten Sendungen, dadurch gekennzeichnet, daß im Bereich der Durchlaßöffnung (5) zwischen Leitwand (3) und Abzugorgan (1) eine Baugruppe (6) angeordnet ist, die eine oder mehrere rotierende Bürsten (8) aufweist, wobei die Rotationsachse im wesentlichen senkrecht zur Abzugrichtung der Sendungen steht und derart zum Stapel orientiert ist, daß eine Krafteinleitung in die Vorderkanten der Sendungen in Richtung auf das Abzugorgan (1) erfolgt.Device for erecting the front edges of flat mail items in a separating device, whereby a stack with a take-off member (1) running in the conveying direction, which acts on the item to be removed by friction, with a through-opening (5) for the take-off member (1) the consignment-forming guide wall (3) for the consignments supported by a support surface (7), characterized in that an assembly (6) is arranged in the area of the passage opening (5) between the guide wall (3) and the extractor member (1) has a plurality of rotating brushes (8), the axis of rotation being substantially perpendicular to the direction of withdrawal of the mail items and oriented to the stack in such a way that force is introduced into the front edges of the mail items in the direction of the removal member (1). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß in Abzugrichtung i. w. hinter der Baugruppe ein oder mehrere Abstreifelemente (12) angeordnet sind.Apparatus according to claim 1, characterized in that i. w. one or more stripping elements (12) are arranged behind the assembly. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß zwischen den mehreren rotierenden Bürsten (8) Zwischenräume (13) vorgesehen sind, in denen die Abstreifelemente (12) angeordnet sind.Apparatus according to claim 2, characterized in that between the plurality of rotating brushes (8) there are spaces (13) in which the stripping elements (12) are arranged. Vorrichtung nach Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß in Abzugrichtung vor der Baugruppe ein oder mehrere angefederte Stützrollen angeordnet sind, durch die auf den Stapel eine Kraft entgegengesetzt zur Richtung auf das Abzugorgan ausgeübt wird.Device according to claims 1 to 3, characterized in that one or more spring-loaded support rollers are arranged in the pull-off direction in front of the assembly, by means of which a force is exerted on the stack opposite to the direction of the pull-off member.
EP95112507A 1994-08-10 1995-08-09 Device for straightening the front edge of flat mail Withdrawn EP0696549A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4428447 1994-08-10
DE19944428447 DE4428447A1 (en) 1994-08-10 1994-08-10 Device for erecting the leading edges of flat items

Publications (1)

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EP0696549A1 true EP0696549A1 (en) 1996-02-14

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EP95112507A Withdrawn EP0696549A1 (en) 1994-08-10 1995-08-09 Device for straightening the front edge of flat mail

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DE (1) DE4428447A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978426A (en) * 2021-01-27 2021-06-18 廖韦琴 Inclined staggered-separation type thermosensitive film separating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855156A1 (en) * 1998-11-30 2000-05-31 Heidelberger Druckmasch Ag Device to separate uppermost sheet of paper from stack has rotatable brush roller for keeping back second sheet, and with some bristles located to press from behind and above stack

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Publication number Priority date Publication date Assignee Title
GB1067655A (en) * 1964-10-02 1967-05-03 Ertma S A Device for dispensing documents singly
JPS6026531A (en) * 1983-07-21 1985-02-09 Canon Inc Sheet separating device
JPS61128275A (en) * 1984-11-27 1986-06-16 Tokyo Electric Co Ltd Paper stripper for fixing roller
FR2650814A1 (en) * 1989-08-11 1991-02-15 Thimonnier Sa Device for extracting products of flattened shape from a feed magazine of a machine for processing these products
DE4328434A1 (en) 1993-04-07 1994-10-13 Licentia Gmbh Separating device
JPH1110442A (en) * 1997-06-19 1999-01-19 Amada Co Ltd Fixed dimension cutting method by front vice in saw panel

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Publication number Priority date Publication date Assignee Title
DE1274391B (en) * 1963-08-29 1968-08-01 Telefunken Patent Device for holding back double or multiple copies on a separator for flat items
DE2736337C2 (en) * 1977-08-12 1982-07-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Device for separating flat mail items of different lengths
DE3447777A1 (en) * 1984-12-28 1986-07-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München DEVICE AND METHOD FOR SEPARATING LEAF

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067655A (en) * 1964-10-02 1967-05-03 Ertma S A Device for dispensing documents singly
JPS6026531A (en) * 1983-07-21 1985-02-09 Canon Inc Sheet separating device
JPS61128275A (en) * 1984-11-27 1986-06-16 Tokyo Electric Co Ltd Paper stripper for fixing roller
FR2650814A1 (en) * 1989-08-11 1991-02-15 Thimonnier Sa Device for extracting products of flattened shape from a feed magazine of a machine for processing these products
DE4328434A1 (en) 1993-04-07 1994-10-13 Licentia Gmbh Separating device
JPH1110442A (en) * 1997-06-19 1999-01-19 Amada Co Ltd Fixed dimension cutting method by front vice in saw panel

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 322 (P - 511) 31 October 1986 (1986-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 327 (M - 854) 24 July 1989 (1989-07-24) *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 149 (M - 390) 25 June 1985 (1985-06-25) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978426A (en) * 2021-01-27 2021-06-18 廖韦琴 Inclined staggered-separation type thermosensitive film separating device

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