EP0761321A2 - Dispositif d'alimentation pour des envois postaux - Google Patents

Dispositif d'alimentation pour des envois postaux Download PDF

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Publication number
EP0761321A2
EP0761321A2 EP96810574A EP96810574A EP0761321A2 EP 0761321 A2 EP0761321 A2 EP 0761321A2 EP 96810574 A EP96810574 A EP 96810574A EP 96810574 A EP96810574 A EP 96810574A EP 0761321 A2 EP0761321 A2 EP 0761321A2
Authority
EP
European Patent Office
Prior art keywords
packages
conveyor
rotating body
axis
main surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96810574A
Other languages
German (de)
English (en)
Other versions
EP0761321A3 (fr
EP0761321B1 (fr
Inventor
Jean-Claude Oppliger
Thomas Zimmermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Grapha Holding AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grapha Holding AG, Siemens AG filed Critical Grapha Holding AG
Publication of EP0761321A2 publication Critical patent/EP0761321A2/fr
Publication of EP0761321A3 publication Critical patent/EP0761321A3/fr
Application granted granted Critical
Publication of EP0761321B1 publication Critical patent/EP0761321B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00Measures preceding sorting according to destination
    • B07C1/02Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/04Forming a stream from a bulk; Controlling the stream, e.g. spacing the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00Measures preceding sorting according to destination
    • B07C1/02Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/025Devices for the temporary stacking of objects provided with a stacking and destacking device (interstack device)

Definitions

  • the invention relates to a device for loading transport containers of a distribution conveyor with flat packages with a linear conveyor engaging in a flat frictional engagement on one main surface of the packages for transferring the packages to the transport containers.
  • Devices of this type are used, for example, in post offices to sort letters by their shipping addresses.
  • the letters are fed to the loading device after their shipping address has been recorded. After delivery to the transport container, they are then transported with the distribution conveyor to collection points specified by the shipping addresses.
  • the conveyor belt of the loading device with ribs, between which windows for receiving the packages are formed.
  • the packages can be pushed with the rear rib in the conveying direction of the respective window, even after the frictional engagement has been released, for transfer to the transport container.
  • the use of a guide wall running above the conveyor belt and parallel to it is necessary.
  • the ribs of the windows and the guide wall is available. Consequently, malfunctions can easily occur when using such a device, for example if the packages for insertion into the shaft are not aligned exactly parallel to the conveyor belt.
  • a loading device for transferring flat packages to transport containers of a distribution conveyor in which the packages for transfer to the transport container in a rotatable between Roll and a nip roller formed nip are promoted.
  • the pinch roller is only placed on the shipping items after the shipping items have been placed on a storage surface through which the rotatable roller passes.
  • this invention has for its object to provide a loading device with which a high level of operational reliability and a gentle transfer of the packages to the transport container can be ensured at the same time.
  • a rotating body is proposed according to the invention in a loading device of the type specified at the outset, which is rotatable about an axis running essentially perpendicular to the conveying direction of the linear conveyor and, when transferred at the rear end of the linear conveyor in the conveying direction, frictionally engages with a rolling area of its lateral surface rolls on the other main surface of the packages.
  • the packages Due to the rolling of the rotating body on the other, ie the main surface of the shipping items facing away from the linear conveyor, despite the frictional engagement that extends only perpendicular to the direction of conveyance, there is between the rolling area and due to the internal rigidity of the packages, the packages are ensured a flat frictional connection between the one main surface of the packages and the linear conveyor. This ensures reliable transport of the packages with the linear conveyor when they are handed over. To this end, a slight damage to the other main surface of the shipping items by the rolling area, which excludes sensitive shipping items, is sufficient, because this merely has to maintain the flat frictional connection between the shipping item and the linear conveyor, but not the actual conveyance of the shipping items for transfer to the transport containers. The fact that the unwinding area only rolls on the other main surface at the end of the linear conveyor in the conveying direction ensures that the flat frictional engagement and consequently the reliable entrainment of the packages are maintained until the packages leave the linear conveyor.
  • the combined use of the linear conveyor engaging in a flat frictional engagement on one main surface of the packages and the rotating body rolling on the side of the packages facing away from the linear conveyor on the one hand increases the reliability of the Feeding the packages to the linear conveyor and on the other hand allows gentle transfer of sensitive packages to the transport container.
  • the linear conveyor can be formed particularly simply in the form of a conveyor belt, which at the same time ensures a maximum frictional area between the packages and the linear conveyor.
  • the rotating body can be formed in a particularly simple manner if the rolling region has the shape of a section of a lateral surface of a circular cylinder, the cylinder axis of which coincides with the rotating axis. As a result, a uniform application of force to the shipping items by the rotating body can be achieved at the same time in a direction running perpendicular to the conveying direction.
  • a further increase in reliability in the transfer of the packages to the transport containers can be achieved if the unwinding area is pushed against the other main surface with a pretensioning device during transfer. As a result, a cancellation of the flat frictional connection between the one main surface of the packages and the linear conveyor can be prevented particularly reliably.
  • the pretensioning force of the pretensioning device is expediently adjustable to avoid damaging sensitive packages.
  • the rotating body is expediently attached to a frame which can be pivoted about a pivot axis running parallel to the axis of rotation.
  • the pretensioning device acts on the frame.
  • the rotating body can advantageously be driven with a motor coupled to it at a rotational speed that is adapted to the conveying speed of the linear conveyor.
  • a particularly precise adaptation of the rotational speed of the rotating body to the conveying speed of the linear conveyor, in particular to changes in this conveying speed, can be achieved if only one motor is used to drive the linear conveyor and to drive the rotating body.
  • the rotary body can on the one hand ensure reliable guidance of the packages during transfer and, on the other hand, can prevent undesired displacement of the packages with respect to the conveying device before transfer if the rotary body remains in the rotary position in which it stops for the transfer until the start of transfer forms the packages.
  • the stop can be done particularly easily by one in an axial plane of the rotating body extending stop region of the lateral surface of the rotating body are formed. With such a stop, an alignment of the generally rectangular packages along the stop region can be effected simultaneously before the transfer. This further contributes to increasing the operational reliability of the loading device.
  • the outer surface of the rotating body has a guide area which transitions into the stop surface in the direction of rotation for guiding the shipping items to be fed to the conveyor. It is thereby achieved that the rotating body fulfills a total of three functions, namely on the one hand guiding the shipping items during the transfer, on the other hand securing the shipping items transferred to the conveyor device before transferring them to the transport containers and finally guiding the shipping items during the feeding to the conveyor device.
  • the guide area can be formed in a particularly simple manner if it lies in a plane running parallel to the axis of rotation and is at a smaller distance from the axis of rotation than the rolling area.
  • the conveying direction expediently has a component pointing in the direction of gravity.
  • the transfer of the packages to the transport containers in stages of predetermined package lengths can be controlled particularly reliably with an incremental encoder.
  • the shipping items can be fed to the conveying device in a direction perpendicular to the conveying direction thereof.
  • the loading device shown in the drawing has a linear conveyor in the form of a conveyor belt 10 which runs around a drive roller 12 and a deflection roller 14 and runs obliquely downwards.
  • the conveyor belt 10 is shipped in a substantially vertical orientation, that is to say in the position designated by the reference number 20 in the drawing, laterally, ie in the direction indicated by arrow 24 in FIG. 2. They are then placed on an upper run 16 of the conveyor belt 10, as indicated by the package designated with the reference number 22 in FIG. 1. After the shipping item has been put down, the one main surface 21 of the shipping item is in frictional engagement with the upper strand 16.
  • a stop region 34 of a lateral surface of a rotating body 30 which is rotatable about an axis of rotation 32 running perpendicular to the conveying direction of the conveyor belt 10.
  • the stop region 34 lies in a radial plane of the rotating body 30 and is formed by a stop web 33 of the rotating body 30. It also serves to align an edge of the packages parallel to the axis of rotation 32.
  • the drive roller 12 is connected to the first gearwheel via a first shaft 62 which is connected to it in a rotationally fixed manner, a first gearwheel 60 which is connected nonrotatably to the first shaft 62, and a second shaft 64 which is fixed to a second shaft 64 and runs parallel to the first shaft 62 60 intermeshing second gear 66, a drive pulley 68 fixedly attached to the second shaft and a first drive belt 70 coupled to a motor 72.
  • the rotating body 30 is rotated in the direction indicated by the arrow 39 about the axis 32, so that when the package is transferred, a rolling area 38 of the outer surface of the rotating body 30 rolls on the main surface 23 of the package facing away from the conveyor belt 10.
  • the coupling of the rotating body 30 to the motor 72 is set such that the peripheral speed of the rolling area 38 corresponds to the conveying speed of the conveyor belt 10 when it is transferred.
  • the rotating body 30 is mounted in a rotationally fixed manner on a third shaft 80 running coaxially to the axis of rotation and parallel to the second shaft 64, and via a third drive disk 78 fixedly connected to the third shaft 80, a second drive belt 76, a drive pulley 74 fixedly attached to the second shaft 64, the first drive pulley 68 and the first drive belt 70 coupled to the motor 72.
  • the unwinding area 38 is pressed with a pretensioning device 90 against the main surface 23 of the package facing away from the conveyor belt 10.
  • a pretensioning device 90 For this purpose, the rotating body 30 is fastened to a frame 100 which can be pivoted about a pivot axis 102 which runs coaxially to the second shaft 64.
  • the pretensioning device 90 which essentially has a helical spring as the tensioning element, engages on the end of the frame 100 facing away from the pivot axis 102.
  • the frame 100 has an angled profile on the front side with respect to the feed direction 24 of the packages, which together with the conveyor belt 10 forms a large feed opening for packages to be placed on the conveyor belt 10.
  • the rotating body 30 according to FIG. 3 could be formed by a telescopic pretensioning device 90, which is supported on the rigidly configured frame part and is in contact with a stop in the end position of the rotating body 30 closest to the conveyor belt 10, such that the rotating body corresponds to the thickness of a incoming shipping item can lift off from the conveyor belt 10 approximately in the vertical direction.
  • a telescopic pretensioning device 90 which is supported on the rigidly configured frame part and is in contact with a stop in the end position of the rotating body 30 closest to the conveyor belt 10, such that the rotating body corresponds to the thickness of a incoming shipping item can lift off from the conveyor belt 10 approximately in the vertical direction.
  • the rotating body 30 When the packages are fed in, the rotating body 30 is in the position shown in FIG. 1, in which an area 36 of its lateral surface, which extends in a region 36 parallel to the axis of rotation 32 and in the direction of rotation 39 into the stop area 34, provides a guide for those to be placed on the conveyor belt 10 Forms packages.
  • the zone between the area 36 designed as a guide and the rolling area 38 is designed to alleviate the rolling up of the rotating body 30 according to FIG. 3 by a flexible insert 45, for which purpose a foam can be used, for example, which is provided by a flexible border 46 partially surrounding the rotating body 30 is held.
  • the frame 100 has a side wall 104 running perpendicular to the pivot axis 102. This forms a stop for the packages to be placed on the conveyor belt 10.
  • the feeding device shown in the drawing also has a support roller 19 which is arranged between the upper strand 16 and the lower strand 18 of the conveyor belt 10 and runs parallel to the deflection roller 14. This support roller 19 forms an abutment for the unwinding area 38 rolling on the main surface of the shipping items facing away from the conveyor belt 10, with which the deformation of the conveyor belt 10 is prevented.
  • the invention is not restricted to the exemplary embodiment explained with reference to the drawing.

Landscapes

  • Attitude Control For Articles On Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP96810574A 1995-09-04 1996-09-02 Dispositif d'alimentation pour des envois postaux Expired - Lifetime EP0761321B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH02501/95A CH691353A5 (de) 1995-09-04 1995-09-04 Beschickungsvorrichtung für Versandstücke.
CH2501/95 1995-09-04
CH250195 1995-09-04

Publications (3)

Publication Number Publication Date
EP0761321A2 true EP0761321A2 (fr) 1997-03-12
EP0761321A3 EP0761321A3 (fr) 1998-11-25
EP0761321B1 EP0761321B1 (fr) 2005-11-23

Family

ID=4235228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96810574A Expired - Lifetime EP0761321B1 (fr) 1995-09-04 1996-09-02 Dispositif d'alimentation pour des envois postaux

Country Status (5)

Country Link
US (1) US5890581A (fr)
EP (1) EP0761321B1 (fr)
AT (1) ATE310590T1 (fr)
CH (1) CH691353A5 (fr)
DE (1) DE59611299D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794732B1 (fr) * 1999-06-10 2001-08-03 Mannesmann Dematic Postal Automation Sa Dispositif de convoyage de courrier avec des roues en matiere elastomere elastiquement deformables
DE102004023532A1 (de) * 2004-03-15 2005-10-06 H. Böhl GmbH Verfahren zum Umwickeln eines lang- oder Rundteils, beispielsweise eines Stahlteils
US10494179B1 (en) * 2018-10-10 2019-12-03 Amazon Technologies, Inc. Systems having V-shaped conveyors and methods of using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1210748A (fr) * 1958-06-13 1960-03-10 Hotchkiss Brandt Dispositif de chargement d'une lettre ou autre document dans un godet ou autre case mobile
EP0101370A2 (fr) * 1982-08-13 1984-02-22 Hbs Banc de défilement d'un équipement de tri de courrier, et volet d'insertion pour le guidage des lettres équipant un tel banc
EP0480822A1 (fr) * 1990-10-10 1992-04-15 LA POSTE, Exploitant public Dispositif pour la distribution rapide d'objets plats dans un convoyeur à godets
FR2677626A1 (fr) * 1991-06-14 1992-12-18 Bertin & Cie Dispositif de transfert d'objets plats, notamment pour machine de tri postal.
EP0608161A1 (fr) * 1993-01-18 1994-07-27 Société Anonyme dite: BERTIN & CIE Dispositif de stockage temporaire d'objets plats

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US935947A (en) * 1909-03-01 1909-10-05 William Thurman Feed-cutter.
US1928482A (en) * 1931-06-06 1933-09-26 Western Union Telegraph Co Conveyer transfer mechanism
US2438811A (en) * 1945-03-10 1948-03-30 Sage Grover N Le Dough pressing and feeding apparatus
GB1136907A (en) * 1965-03-16 1968-12-18 Post Office Improvements in or relating to conveying equipment
SE430323B (sv) * 1982-12-06 1983-11-07 Leif Lundblad Anordning for utmatning av blad fran ett forrad av blad, exempelvis sedlar
US4619451A (en) * 1984-10-31 1986-10-28 Itek Corporation Drive roller biasing mechanism
FR2677902B1 (fr) * 1991-06-21 1996-12-13 Cga Hbs Dispositif de chargement pour machine de tri d'objets plats tels que plis de courrier.
DE4219982A1 (de) * 1992-06-19 1993-12-23 Kolbus Gmbh & Co Kg Stapeleinrichtung für Bücher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1210748A (fr) * 1958-06-13 1960-03-10 Hotchkiss Brandt Dispositif de chargement d'une lettre ou autre document dans un godet ou autre case mobile
EP0101370A2 (fr) * 1982-08-13 1984-02-22 Hbs Banc de défilement d'un équipement de tri de courrier, et volet d'insertion pour le guidage des lettres équipant un tel banc
EP0480822A1 (fr) * 1990-10-10 1992-04-15 LA POSTE, Exploitant public Dispositif pour la distribution rapide d'objets plats dans un convoyeur à godets
FR2677626A1 (fr) * 1991-06-14 1992-12-18 Bertin & Cie Dispositif de transfert d'objets plats, notamment pour machine de tri postal.
EP0608161A1 (fr) * 1993-01-18 1994-07-27 Société Anonyme dite: BERTIN & CIE Dispositif de stockage temporaire d'objets plats

Also Published As

Publication number Publication date
US5890581A (en) 1999-04-06
EP0761321A3 (fr) 1998-11-25
ATE310590T1 (de) 2005-12-15
EP0761321B1 (fr) 2005-11-23
DE59611299D1 (de) 2005-12-29
CH691353A5 (de) 2001-07-13

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