EP3052413B1 - Storage module with piling and depiling functions - Google Patents

Storage module with piling and depiling functions Download PDF

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Publication number
EP3052413B1
EP3052413B1 EP14755856.3A EP14755856A EP3052413B1 EP 3052413 B1 EP3052413 B1 EP 3052413B1 EP 14755856 A EP14755856 A EP 14755856A EP 3052413 B1 EP3052413 B1 EP 3052413B1
Authority
EP
European Patent Office
Prior art keywords
stack
storage module
articles
unstacking
segment
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.)
Not-in-force
Application number
EP14755856.3A
Other languages
German (de)
French (fr)
Other versions
EP3052413A1 (en
Inventor
Pierre Campagnolle
Stéphane Ambroise
Christian Duclot
Damien Hugues
Mickaël DAUVERGNE
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.)
Solystic SAS
Original Assignee
Solystic SAS
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Filing date
Publication date
Application filed by Solystic SAS filed Critical Solystic SAS
Publication of EP3052413A1 publication Critical patent/EP3052413A1/en
Application granted granted Critical
Publication of EP3052413B1 publication Critical patent/EP3052413B1/en
Not-in-force 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
    • B65H3/54—Pressing or holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00—Measures preceding sorting according to destination
    • B07C1/02—Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/025—Devices for the temporary stacking of objects provided with a stacking and destacking device (interstack device)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/02—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • 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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/12—Suction bands, belts, or tables moving relatively to the pile
    • 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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/12—Suction bands, belts, or tables moving relatively to the pile
    • B65H3/124—Suction bands or belts
    • 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
    • B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile
    • B65H3/565—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile for reintroducing partially separated articles in the stack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/06—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H83/00—Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such
    • B65H83/02—Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such performed on the same pile or stack
    • B65H83/025—Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such performed on the same pile or stack onto and from the same side of the pile or stack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • the invention relates to a storage module comprising a storage area for storing flat articles in stack on edge, a main conveyor extending transversely to the storage area, a stacking function for transferring a conveyor article. to the storage area and stack it on the back of the stack of items in the storage area, and an unstack feature to retrieve an item from the back of the stack of items and transfer it to the main conveyor.
  • This storage module has stacker operation and unstacker operation.
  • the unstacking order of the postal items is of the LIFO type: the first postal item stored in a stack is the last mail item extracted from the stack.
  • a coupling element which forms a kind of barrier at the entrance of the storage area when the storage module is in unstacking mode and which forms the shipping conveyor when the storage module is in stacking mode.
  • This L-shaped coupling member is pivotally mounted to move from a position where it acts as a barrier to another position where it acts as a conveyor.
  • Another barrier which is sliding and which closes the output of the unstacking storage area when the storage module is in stacking mode.
  • Such a sliding barrier has the disadvantage of increasing the risk of jamming at the output of the storage module because this sliding barrier can come shear a partially extracted shipment of the stack of shipments when switching from the depilatory operation mode to stacking.
  • Patent document is known EP-1894868 a sheet unstacking system which uses suction-type controlled aspiration connected to a vacuum chamber and cooperating with a perforated belt mounted on driving pulleys.
  • EP-0992443 discloses an unstacker for sheets which is similar to that known from the preceding document but in which there is provided an unstacking plate containing the controlled suction, this unstacking plate being rotatably mounted to be able to tilt and suck the front of a leaf to extract from the pile of leaves.
  • the document DE 10 2006 052315 B3 describes a storage module according to the preamble of claim 1.
  • separators or dividers known per se must be passed in machine with the flow of the mail to be sorted to fit among the stacks of mail sorted in the sorting outlets. But these separators must also be recovered at each sorting pass of the mail in the sorting machine to be recycled in the sorting process.
  • separators are like flat articles similar in size to mail. They are generally made of flexible cardboard sheet and in color. Each separator is thus easily identifiable visually in a sorting outlet when it is interposed between two stacks of mail.
  • the object of the invention is therefore to provide a storage device for flat articles and in particular for mail stack separators with stacking and unstacking functions but which does not have the drawbacks indicated above.
  • the subject of the invention is a storage module comprising a storage area for storing flat articles in stack on edge, a main conveyor which extends transversely to the storage area, a stacking function. to transfer an item from the main conveyor to the storage area and stack it at the back of the stack of items in the storage area, and an unstacking function for extracting an article from the rear of the stack of articles and transferring it to the main conveyor, characterized in that the unstacking function comprises a perforated belt unstacking plate and controlled suction nozzle disposed between the main conveyor and the storage area, said unstacking plate having a first segment parallel to the stack of articles and a second segment adjacent to the first segment and extending obliquely with respect to the first segment and in that said controlled suction is disposed in the second oblique segment of the unstacking plate.
  • the idea underlying the invention is therefore to have an angled unstacking plate having an inclined face in which is arranged the suction system to force a bending deformation of the current flat article to extract from the stack this deformation has the effect of better separating it from the adjacent article in the stack of items to be unstacked.
  • This current article is moved by the effect of pneumatic traction to be removed from the rest of the stack of articles at the same time that the stack of articles remains blocked by the jogging edge.
  • the storage module can be automatically passed from a stacking mode to an unstacking mode and vice versa in very short delays that remain compatible with the current rates of a postal sorting machine.
  • This arrangement of the unstacking system also contributes to the compactness and reliability of the storage module.
  • FIG. 1 to 4 very schematically illustrated a storage module 1 for flat articles according to the invention, here by way of example, for storing separators 2 stacks of mail.
  • the storage module 1 is shown schematically from above, the separators 2 being seen from above in stack on edge in the storage area 3.
  • the storage zone 3 has a bottom or stacking range 4 which extends in a longitudinal direction A and on which the edge separators 2 lie in transverse disposition with respect to the direction A.
  • the storage area has a longitudinal edge delimited by a jogging edge 5 which extends along the direction A.
  • a pallet 6 is provided in the storage area for sliding along the jogging edge and holding the front of the separator stack 2.
  • a return system in the position not shown in the figures such as a spring, is provided to bring the pallet 6 towards the rear of the storage area where an unstacking plate 7 is arranged.
  • the pallet 6 with its return system can be replaced by a motorized pallet assembly.
  • This motorized assembly is slaved to a sensor placed on the unstacking plate 7 to manage the pressure exerted by the stack of separators 2 on the unstacking plate 7.
  • This return system therefore acts against the movement of the pallet 6 towards the front of the storage area as the stack accumulates the separators and tends to push the stack of separators 2 towards the unstacking plate 7.
  • the bottom 8 may be provided movable in the direction A.
  • it may comprise a toothed band mounted on free pulleys which are arranged at the front and rear of the storage area.
  • the lower end of the pallet can be engaged in one notch of this band so that the displacement of the pallet is synchronized with the displacement of the band.
  • the bottom 8 may also advantageously be a free roller stacking pad in contact with the underside of the stack of separators which limits the frictional forces of the separators on the bottom 8 of the storage area.
  • main conveyor 9 which extends in a main direction D transversely (here perpendicularly) to the storage area (here along the direction A).
  • the conveyor 9 is here a double-belt conveyor which is able to move by clamping between the bands of edge separators in series in the direction D.
  • the conveyor 9 can be constituted by the sorting conveyor in a machine postal sorting.
  • the unstacking plate 7 is arranged between the main conveyor 9 and the storage area 3.
  • a secondary conveyor 10 is provided upstream of the storage area in the direction D to perform a stacking function of the storage module and another secondary conveyor 11 is provided downstream of the storage area in the direction D to achieve a unstacking function of the storage module.
  • a switching flap 9A is provided on the main conveyor path at the intersection with the conveyor 10 upstream of the storage area in the direction D to deflect the separator 2 moved in series on the edge of the main conveyor to the secondary conveyor 10 and feed the storage area 3 when the storage module is in the stacking function.
  • the unstacking plate 7 is provided with a system 12 with perforated belt and controlled suction which allows to extract a separator of the rear of the separator stack and transfer it to the main conveyor through the secondary conveyor 11.
  • the unstacking plate 7 has a first segment 7A shown in more detail on the Figures 5 and 6 which is parallel to the stack of separators 2 in the storage area and therefore to the direction D on the Figures 1 to 4 and a second segment 7B adjacent to the segment 7A and extending obliquely with respect to the segment 7A and away from the stack of separators.
  • the controlled suction represented by 12A (a suction nozzle connected to a vacuum chamber) is disposed in the second segment 7B of the unstacking plate further downstream in the direction D.
  • perforated strip 12B closed loop engaged on two driving pulleys, this perforated strip cooperating with the suction controlled to extract by suction the last separator stored at the rear of the separator stack and transfer it to the secondary conveyor 11.
  • the space between the oblique segment 7B and the jogging edge 5 must in practice be greater than the thickness of a separator, for example 3 to 4 times greater.
  • the controlled suction 12A is actuated which has the effect of suction of the front part of the current separator 2 against the segment 7B of the unstacking plate while the rear part of the current separator is pressed against the segment 7A of the unstacking plate.
  • the perforated belt 12B moves the current separator 2 in motion to separate it from the stack and transfer it to the secondary conveyor 11 through the separation dihedron 13.
  • the separator adjacent to the current separator 2 in the stack remains in abutment against the jogging edge 5 during the extraction of the current separator 2 which avoids the risk of double or multiple pickup in the storage module mode unstacking.
  • the angle of inclination of the second segment 7B of the unstacking plate may be between 3 and 15 ° relative to the segment 7A which is parallel to the stack of separators. This angle must be compatible with the flexibility of the separators.
  • the two segments 7A and 7B intersect around a median longitudinal axis of the stack of articles so that each separator is generally deformed in its middle by the unstacking plate without being damaged.
  • This barrier 14 is movably mounted to occupy a first position shown on the Figures 1 and 2 in which it blocks the extraction of a separator from the stack of separators when the storage module is in stacking mode.
  • Barrier 14 is moved on Figures 3 and 4 to occupy a second position in which it allows the extraction of a separator from the stack of separators when the storage module is in unstacking mode.
  • the barrier 14 is a pivoting barrier (as represented by an arrow in an arc on the figures 3 and 4 ) about an axis adjacent to the end of the jogging edge 5 in the separation dihedron.
  • the pivoting barrier is able to push back into the storage area a separator 2 which would have been partially extracted from the stack during a double take. This separator is pushed back when the barrier 14 moves from the second position to the first position, that is to say when the storage module switches from the unstacking mode to the stacking mode.
  • This arrangement makes it possible to further reduce the risks of double setting or the risk of jamming and consequently increases the reliability of the storage module according to the invention.
  • pivoting barrier 14 alone reduces the risk of double taking or jamming in a storage module having an unstacking plate 7 without oblique segment 7B.
  • separators 2 are already stored in stack on edge in the unstacking zone 3.
  • the switching flap 9A is oriented to divert a flow of objects from the main conveyor 9 to the secondary conveyor 10.
  • the controlled suction 12 is stopped and the barrier 14 is in the first position in which it closes the separation dihedron 13.
  • separators 2 are moved in series on edge in the main conveyor 9, they are thus deflected one by one by the flap 9A to the secondary conveyor 10 to stack on top of each other in the zone of storage 3.
  • the flap 9A has been actuated in a position shown by an arrow such that the main conveyor 9 shunts the storage module 1.
  • the flap 9A thus closes the passage of the conveyor 9 towards the conveyor 10.
  • the barrier 14 is in the second position according to which it opens the separation dihedron 13.
  • FIG. 7 By way of example, there is illustrated a postal sorting machine 20 with a destacker 21 of mailpieces which serializes these mail items in the sorting machine.
  • the sorting machine here comprises sorting outlets 22 and a storage module for separators 1 according to the invention which is arranged between the sorting outlets 22 and the unstacker 21 along the sorting conveyor of the machine which constitutes here the conveyor main 9 of the storage module 1.
  • control / control unit which controls the actuators of the sorting machine and in particular the actuators of the shutter 9A, the controlled suction 12 and the barrier 14 in the storage module.
  • the storage module 1 for mail stack separators can be disposed upstream of this mail loop. return after sorting exits for example.

Description

Domaine techniqueTechnical area

L'invention concerne un module de stockage comprenant une zone de stockage pour stocker par accumulation des articles plats en pile sur chant, un convoyeur principal qui s'étend transversalement à la zone de stockage, une fonction d'empilage pour transférer un article du convoyeur principal vers la zone de stockage et l'empiler à l'arrière de la pile d'articles dans la zone de stockage, et une fonction de dépilage pour extraire un article de l'arrière de la pile d'articles et le transférer vers le convoyeur principal.The invention relates to a storage module comprising a storage area for storing flat articles in stack on edge, a main conveyor extending transversely to the storage area, a stacking function for transferring a conveyor article. to the storage area and stack it on the back of the stack of items in the storage area, and an unstack feature to retrieve an item from the back of the stack of items and transfer it to the main conveyor.

Technique antérieurePrior art

On connaît déjà un tel module de stockage du document de brevet US-2008006509 . Ce module de stockage est destiné à constituer un réceptacle de sortie de tri dans une machine de tri postal.Such a storage module of the patent document is already known. US-2008006509 . This storage module is intended to constitute a sort output receptacle in a postal sorting machine.

Ce module de stockage a un fonctionnement d'empileur et un fonctionnement de dépileur. Dans ce module de stockage, l'ordre de dépilage des envois postaux est du type LIFO : le premier envoi postal stocké en pile est le dernier envoi postal extrait de la pile.This storage module has stacker operation and unstacker operation. In this storage module, the unstacking order of the postal items is of the LIFO type: the first postal item stored in a stack is the last mail item extracted from the stack.

Il est prévu un élément de couplage qui forme une sorte de barrière à l'entrée de la zone de stockage quand le module de stockage est en mode dépilage et qui forme le convoyeur d'envois quand le module de stockage est en mode empilage.There is provided a coupling element which forms a kind of barrier at the entrance of the storage area when the storage module is in unstacking mode and which forms the shipping conveyor when the storage module is in stacking mode.

Cet élément de couplage en forme de L est monté pivotant pour passer d'une position où il joue le rôle de barrière à une autre position où il joue le rôle d'un convoyeur.This L-shaped coupling member is pivotally mounted to move from a position where it acts as a barrier to another position where it acts as a conveyor.

Dans ce module de stockage, le pivotement de l'élément de couplage est manuel.In this storage module, the pivoting of the coupling element is manual.

Il est aussi prévu une autre barrière qui est coulissante et qui ferme la sortie de la zone de stockage servant au dépilage quand le module de stockage est en mode empilage.There is also provided another barrier which is sliding and which closes the output of the unstacking storage area when the storage module is in stacking mode.

Un telle barrière coulissante présente l'inconvénient d'augmenter les risques de bourrage en sortie du module de stockage du fait que cette barrière coulissante peut venir cisailler un envoi partiellement extrait de la pile d'envois lors du basculement du mode de fonctionnement de dépilage vers empilage.Such a sliding barrier has the disadvantage of increasing the risk of jamming at the output of the storage module because this sliding barrier can come shear a partially extracted shipment of the stack of shipments when switching from the depilatory operation mode to stacking.

On connaît du document de brevet EP-1894868 un système de dépilage pour feuilles qui utilise une aspiration commandée du type buse d'aspiration raccordée à une chambre à vide et coopérant avec une courroie perforée montée sur des poulies motrices.Patent document is known EP-1894868 a sheet unstacking system which uses suction-type controlled aspiration connected to a vacuum chamber and cooperating with a perforated belt mounted on driving pulleys.

On sait que dans ce genre de système de dépilage à aspiration commandée et courroie perforée, deux feuilles du haut de la pile peuvent être attachées l'une à l'autre de sorte qu'il est probable que la feuille du dessus entraîne la feuille de dessous quand la première est extraite de la pile de feuilles.It is known that in this type of controlled suction and perforated belt unloading system, two sheets of the top of the stack can be attached to each other so that it is likely that the top sheet will pull the sheet of paper. below when the first is extracted from the stack of leaves.

C'est pourquoi, il est connu de placer à côté de ce système de dépilage un système empêchant les prises doubles ou multiples de feuilles par l'aspiration commandée.Therefore, it is known to place next to this unstacking system a system preventing dual or multiple sheets taken by controlled suction.

Mais ces systèmes anti prises double ou multiple sont complexes et couteux.But these double or multiple anti-plug systems are complex and expensive.

Dans le document de brevet EP-1894868 , il est prévu que l'aspiration commandée soit montée sur un bras pivotant pour écarter l'extrémité de la feuille à dépiler du reste de la pile de feuille ce qui permet de réduire les risques de prise double ou multiple.In the patent document EP-1894868 , it is expected that the controlled suction is mounted on a pivoting arm to spread the end of the sheet to be removed from the rest of the sheet pile which reduces the risk of double or multiple setting.

Toutefois, un tel agencement reste encore très complexe et coûteux à réaliser du fait de l'ajout de pièces mécaniques en mouvement.However, such an arrangement is still very complex and expensive to achieve due to the addition of moving mechanical parts.

Le document de brevet EP-0992443 divulgue un dispositif de dépilage pour feuilles qui est analogue à celui connu du document précédent mais dans lequel il est prévu une plaque de dépilage contenant l'aspiration commandée, cette plaque de dépilage étant montée rotative pour pouvoir basculer et aspirer l'avant d'une feuille à extraire de la pile de feuilles.The patent document EP-0992443 discloses an unstacker for sheets which is similar to that known from the preceding document but in which there is provided an unstacking plate containing the controlled suction, this unstacking plate being rotatably mounted to be able to tilt and suck the front of a leaf to extract from the pile of leaves.

Un tel agencement est encore compliqué à réaliser du fait des pièces en mouvement. Le document DE 10 2006 052315 B3 décrit un module de stockage selon le préambule de la revendication 1. Avec l'extension des fonctionnalités de traitement automatique du courrier dans les machines de tri postal et notamment celles permettant un chargement et un déchargement automatique des sorties de tri, il est nécessaire d'apporter dans le processus de tri pour les automatismes de la machine ou pour des Opérateurs machine des moyens pour suivre en plus des piles de courrier trié qui sont extraites des sorties de tri de la machine.Such an arrangement is still complicated to achieve because of the parts moving. The document DE 10 2006 052315 B3 describes a storage module according to the preamble of claim 1. With the extension of the automatic mail processing functionalities in postal sorting machines and in particular those allowing automatic loading and unloading of the sorting outlets, it is necessary to in the sorting process for the machine automatisms or for machine operators, means to follow in addition to the stacks of sorted mail which are extracted from the sorting outlets of the machine.

Ces moyens que sont les séparateurs ou intercalaires connus en soi doivent être passés en machine avec le flux du courrier à trier pour s'insérer parmi les piles de courrier trié dans les sorties de tri. Mais ces séparateurs doivent aussi être récupérés à chaque passe de tri du courrier dans la machine de tri pour être recyclé dans le processus de triThese means that separators or dividers known per se must be passed in machine with the flow of the mail to be sorted to fit among the stacks of mail sorted in the sorting outlets. But these separators must also be recovered at each sorting pass of the mail in the sorting machine to be recycled in the sorting process.

Pour limiter la manutention de ces séparateurs de piles de courrier quand les piles de courrier trié sont recyclées en entrée de la machine, il existe donc un besoin pour un module de stockage avec fonction d'empilage et de dépilage comme indiqué plus haut adapté à de tels séparateurs de piles de courrier.To limit the handling of these mail stack separators when sorted mail stacks are recycled to the input of the machine, there is therefore a need for a storage module with stacking and unstacking function as indicated above adapted to such mail stack separators.

Ces séparateurs se présentent comme des articles plats analogues en dimension à du courrier. Ils sont réalisés généralement en feuille de carton flexible et en couleur. Chaque séparateur est ainsi facilement identifiable visuellement dans une sortie de tri lorsqu'il est intercalé entre deux piles de courrier.These separators are like flat articles similar in size to mail. They are generally made of flexible cardboard sheet and in color. Each separator is thus easily identifiable visually in a sorting outlet when it is interposed between two stacks of mail.

Le but de l'invention est donc de proposer un dispositif de stockage pour articles plats et notamment pour séparateurs de piles de courrier avec des fonctions d'empilage et de dépilage mais qui ne présente pas les inconvénients indiqués plus haut.The object of the invention is therefore to provide a storage device for flat articles and in particular for mail stack separators with stacking and unstacking functions but which does not have the drawbacks indicated above.

A cet effet, l'invention a pour objet un module de stockage comprenant une zone de stockage pour stocker par accumulation des articles plats en pile sur chant, un convoyeur principal qui s'étend transversalement à la zone de stockage, une fonction d'empilage pour transférer un article du convoyeur principal vers la zone de stockage et l'empiler à l'arrière de la pile d'articles dans la zone de stockage, et une fonction de dépilage pour extraire un article de l'arrière de la pile d'articles et le transférer vers le convoyeur principal, caractérisé en ce que la fonction de dépilage comprend une plaque de dépilage à courroie perforée et à aspiration commandée disposée entre le convoyeur principal et la zone de stockage, cette plaque de dépilage présentant un premier segment parallèle à la pile d'articles et un second segment adjacent au premier segment et qui s'étend de façon oblique par rapport au premier segment et en ce que ladite aspiration commandée est disposée dans le second segment oblique de la plaque de dépilage.For this purpose, the subject of the invention is a storage module comprising a storage area for storing flat articles in stack on edge, a main conveyor which extends transversely to the storage area, a stacking function. to transfer an item from the main conveyor to the storage area and stack it at the back of the stack of items in the storage area, and an unstacking function for extracting an article from the rear of the stack of articles and transferring it to the main conveyor, characterized in that the unstacking function comprises a perforated belt unstacking plate and controlled suction nozzle disposed between the main conveyor and the storage area, said unstacking plate having a first segment parallel to the stack of articles and a second segment adjacent to the first segment and extending obliquely with respect to the first segment and in that said controlled suction is disposed in the second oblique segment of the unstacking plate.

L'idée à la base de l'invention est donc d'avoir une plaque de dépilage coudée présentant une face inclinée dans laquelle est disposé le système d'aspiration pour forcer une déformation par pliage de l'article plat courant à extraire de la pile, cette déformation ayant pour effet de mieux le séparer de l'article adjacent dans la pile d'articles à dépiler.The idea underlying the invention is therefore to have an angled unstacking plate having an inclined face in which is arranged the suction system to force a bending deformation of the current flat article to extract from the stack this deformation has the effect of better separating it from the adjacent article in the stack of items to be unstacked.

L'extrémité avant de cet article courant est donc déplacée par l'effet d'une traction pneumatique pour être écarté du reste de la pile d'articles en même temps que la pile d'articles reste bloquée par la rive de taquage.The front end of this current article is moved by the effect of pneumatic traction to be removed from the rest of the stack of articles at the same time that the stack of articles remains blocked by the jogging edge.

Avec cet agencement, on peut faire passer automatiquement le module de stockage d'un mode d'empilage à un mode de dépilage et inversement dans des délais très courts qui restent compatibles avec les débits courants d'une machine de tri postal.With this arrangement, the storage module can be automatically passed from a stacking mode to an unstacking mode and vice versa in very short delays that remain compatible with the current rates of a postal sorting machine.

Cet agencement du système de dépilage contribue aussi à la compacité et à la fiabilité du module de stockage.This arrangement of the unstacking system also contributes to the compactness and reliability of the storage module.

Le module de stockage selon l'invention peut présenter les particularités suivantes :

  • le second segment oblique de la plaque de dépilage fait un angle compris entre 3 et 15° par rapport au dessus de lapile d'articles;
  • lesdits premier et second segments de la plaque de dépilage se coupent aux environs d'un axe longitudinal médian de la pile d'articles;
  • la zone de stockage comporte une plage d'empilage à rouleaux en contact avec le dessous de la pile d'articles;
  • la fonction de dépilage comprend une barrière mobile apte à être déplacée dans une première position pour bloquer l'extraction d'un article de la pile d'articles et dans une seconde position pour autoriser l'extraction d'un article de la pile d'articles, et cette barrière mobile est montée pivotante de telle façon à repousser dans la zone de stockage un article partiellement extrait de la pile d'articles quand elle est commandée en rotation pour passer de la seconde position vers la première position.
The storage module according to the invention may have the following particularities:
  • the second oblique segment of the unstacking plate is at an angle of between 3 and 15 ° with respect to the top of the stack of articles;
  • said first and second segments of the unstacking plate intersect at about a median longitudinal axis of the stack of articles;
  • the storage area has a roller stacking pad in contact with the underside of the stack of articles;
  • the unstacking function comprises a movable barrier movable in a first position to block the extraction of an article from the stack of articles and in a second position to allow the extraction of an article from the stack of articles. articles, and this movable barrier is pivotally mounted so as to push back into the storage area an article partially extracted from the stack of articles when it is rotated to move from the second position to the first position.

Présentation sommaire des dessinsBrief presentation of the drawings

La présente invention sera mieux comprise et d'autres avantages apparaîtront à la lecture de la description qui suit et des dessins annexés dans lesquels :

  • la figure 1 illustre très schématiquement un module de stockage selon l'invention en mode empilage avec des séparateurs de piles de courrier stockés en pile sur chant dans la zone de stockage;
  • la figure 2 illustre très schématiquement le module de stockage en mode empilage avec un séparateur qui arrive en entrée de la zone de stockage;
  • la figure 3 illustre très schématiquement le module de stockage en mode dépilage avec des séparateurs de piles de courrier stockés en pile sur chant dans la zone de stockage;
  • la figure 4 illustre très schématiquement le module de stockage en mode dépilage avec un séparateur en cours d'extraction de la pile de séparateurs;
  • la figure 5 illustre plus en détail la fonction dépilage avec une plaque de dépilage selon l'invention ayant un segment oblique et quand l'aspiration commandée n'est pas activée;
  • la figure 6 illustre la fonction dépilage avec l'aspiration commandée qui est activée dans le segment oblique de la plaque de dépilage;
  • la figure 7 illustre très schématiquement un exemple de machine de tri postal pour du courrier intégrant un module de stockage pour séparateurs de piles de courrier;
The present invention will be better understood and other advantages will appear on reading the description which follows and the appended drawings in which:
  • the figure 1 illustrates very schematically a storage module according to the invention in stacking mode with mail stack separators stored in stack on edge in the storage area;
  • the figure 2 illustrates very schematically the storage module in stacking mode with a separator that arrives at the entrance of the storage area;
  • the figure 3 illustrates very schematically the unstacked storage module with mail stack separators stored in stack on edge in the storage area;
  • the figure 4 illustrates very schematically the unstacked storage module with a separator being extracted from the stack of separators;
  • the figure 5 illustrates in greater detail the unstacking function with an unstacking plate according to the invention having an oblique segment and when the controlled suction is not activated;
  • the figure 6 illustrates the unstacking function with the controlled suction that is activated in the oblique segment of the unstacking plate;
  • the figure 7 illustrates very schematically an example of postal sorting machine for mail integrating a storage module for mail stack separators;

Description des modes de réalisationDescription of the embodiments

Sur les figures 1 à 4, on a illustré très schématiquement un module de stockage 1 pour articles plats selon l'invention, ici à titre d'exemple, pour le stockage de séparateurs 2 de piles de courrier.On the Figures 1 to 4 very schematically illustrated a storage module 1 for flat articles according to the invention, here by way of example, for storing separators 2 stacks of mail.

Il est entendu que l'invention peut s'appliquer à tout type d'articles plats comme du courrier postal ou encore des feuilles en papier ou analogue.It is understood that the invention can be applied to any type of flat items such as mail or paper sheets or the like.

Sur les figures 1 à 4, le module de stockage 1 est représenté schématiquement vu de dessus, les séparateurs 2 étant vus de dessus en pile sur chant dans la zone de stockage 3.On the Figures 1 to 4 , the storage module 1 is shown schematically from above, the separators 2 being seen from above in stack on edge in the storage area 3.

La zone de stockage 3 présente un fond ou plage d'empilage 4 qui s'étend suivant une direction longitudinale A et sur lequel reposent sur chant les séparateurs 2 en disposition transversale par rapport à la direction A.The storage zone 3 has a bottom or stacking range 4 which extends in a longitudinal direction A and on which the edge separators 2 lie in transverse disposition with respect to the direction A.

La zone de stockage a un bord longitudinal délimité par une rive de taquage 5 qui s'étend suivant la direction A.The storage area has a longitudinal edge delimited by a jogging edge 5 which extends along the direction A.

Une palette 6 est prévue dans la zone de stockage pour coulisser le long de la rive de taquage et retenir l'avant de la pile de séparateurs 2.A pallet 6 is provided in the storage area for sliding along the jogging edge and holding the front of the separator stack 2.

Un système de rappel en position non représenté sur les figures, comme un ressort, est prévu pour ramener la palette 6 vers l'arrière de la zone de stockage où est disposée une plaque de dépilage 7.A return system in the position not shown in the figures, such as a spring, is provided to bring the pallet 6 towards the rear of the storage area where an unstacking plate 7 is arranged.

La palette 6 avec son système de rappel peut être remplacée par un ensemble palette motorisée. Cet ensemble motorisé est asservi à un capteur placé sur la plaque de dépilage 7 permettant de gérer la pression qu'exerce la pile de séparateurs 2 sur la plaque de dépilage 7.The pallet 6 with its return system can be replaced by a motorized pallet assembly. This motorized assembly is slaved to a sensor placed on the unstacking plate 7 to manage the pressure exerted by the stack of separators 2 on the unstacking plate 7.

Ce système de rappel agit donc à l'encontre du déplacement de la palette 6 vers l'avant de la zone de stockage au fur et à mesure de l'accumulation en pile des séparateurs et à tendance à pousser la pile de séparateurs 2 vers la plaque de dépilage 7.This return system therefore acts against the movement of the pallet 6 towards the front of the storage area as the stack accumulates the separators and tends to push the stack of separators 2 towards the unstacking plate 7.

Le fond 8 peut être prévu mobile suivant la direction A. Par exemple, il peut comprendre une bande crantée montée sur des poulies libres lesquelles sont disposées à l'avant et à l'arrière de la zone de stockage.The bottom 8 may be provided movable in the direction A. For example, it may comprise a toothed band mounted on free pulleys which are arranged at the front and rear of the storage area.

L'extrémité basse de la palette peut être engagée dans un cran de cette bande de sorte que le déplacement de la palette est synchronisé avec le déplacement de la bande.The lower end of the pallet can be engaged in one notch of this band so that the displacement of the pallet is synchronized with the displacement of the band.

Le fond 8 peut aussi avantageusement être une plage d'empilage à rouleaux libres en contact avec le dessous de la pile de séparateurs ce qui limite les forces de frottement des séparateurs sur le fond 8 de la zone de stockage.The bottom 8 may also advantageously be a free roller stacking pad in contact with the underside of the stack of separators which limits the frictional forces of the separators on the bottom 8 of the storage area.

On a encore représenté sur les figures 1 à 4 un convoyeur principal 9 qui s'étend suivant une direction principale D transversalement (ici perpendiculairement) à la zone de stockage (ici suivant la direction A).We again represented on Figures 1 to 4 a main conveyor 9 which extends in a main direction D transversely (here perpendicularly) to the storage area (here along the direction A).

Le convoyeur 9 est ici un convoyeur à double bandes qui est apte à déplacer par pincement entre les bandes des séparateurs sur chant en série suivant la direction D. Comme décrit plus loin, le convoyeur 9 peut être constitué par le convoyeur de tri dans une machine de tri postal.The conveyor 9 is here a double-belt conveyor which is able to move by clamping between the bands of edge separators in series in the direction D. As described below, the conveyor 9 can be constituted by the sorting conveyor in a machine postal sorting.

Comme visible sur les figures 1 à 4, la plaque de dépilage 7 est disposée entre le convoyeur principal 9 et la zone de stockage 3.As visible on Figures 1 to 4 the unstacking plate 7 is arranged between the main conveyor 9 and the storage area 3.

Un convoyeur secondaire 10 est prévu en amont de la zone de stockage suivant la direction D pour réaliser une fonction d'empilage du module de stockage et un autre convoyeur secondaire 11 est prévu en aval de la zone de stockage suivant la direction D pour réaliser une fonction de dépilage du module de stockage.A secondary conveyor 10 is provided upstream of the storage area in the direction D to perform a stacking function of the storage module and another secondary conveyor 11 is provided downstream of the storage area in the direction D to achieve a unstacking function of the storage module.

Un volet d'aiguillage 9A est prévu sur le trajet du convoyeur principal à l'intersection avec le convoyeur 10 en amont de la zone de stockage suivant la direction D pour dévier les séparateur 2 déplacés en série sur chant du convoyeur principal vers le convoyeur secondaire 10 et alimenter la zone de stockage 3 quand le module de stockage est dans la fonction empilage.A switching flap 9A is provided on the main conveyor path at the intersection with the conveyor 10 upstream of the storage area in the direction D to deflect the separator 2 moved in series on the edge of the main conveyor to the secondary conveyor 10 and feed the storage area 3 when the storage module is in the stacking function.

La plaque de dépilage 7 est pourvue d'un système 12 à courroie perforée et à aspiration commandée qui permet d'extraire un séparateur de l'arrière de la pile de séparateurs et le transférer vers le convoyeur principal à travers le convoyeur secondaire 11.The unstacking plate 7 is provided with a system 12 with perforated belt and controlled suction which allows to extract a separator of the rear of the separator stack and transfer it to the main conveyor through the secondary conveyor 11.

Selon l'invention, la plaque de dépilage 7 présente un premier segment 7A montré plus en détail sur les figures 5 et 6 qui est parallèle à la pile de séparateurs 2 dans la zone de stockage et donc à la direction D sur les figures 1 à 4 et un second segment 7B adjacent au segment 7A et qui s'étend de façon oblique par rapport au segment 7A et en s'éloignant de de la pile de séparateurs.According to the invention, the unstacking plate 7 has a first segment 7A shown in more detail on the Figures 5 and 6 which is parallel to the stack of separators 2 in the storage area and therefore to the direction D on the Figures 1 to 4 and a second segment 7B adjacent to the segment 7A and extending obliquely with respect to the segment 7A and away from the stack of separators.

Comme visible encore sur les figures 5 et 6, l'aspiration commandée représentée par 12A (une buse d'aspiration reliée à une chambre à vide) est disposée dans le second segment 7B de la plaque de dépilage le plus en aval suivant la direction D.As visible again on Figures 5 and 6 the controlled suction represented by 12A (a suction nozzle connected to a vacuum chamber) is disposed in the second segment 7B of the unstacking plate further downstream in the direction D.

On a représenté aussi la bande perforée 12B en boucle fermée engagée sur deux poulies motrices, cette bande perforée coopérant avec l'aspiration commandée pour extraire par aspiration le dernier séparateur stockée à l'arrière de la pile de séparateurs et le transférer vers le convoyeur secondaire 11.Also shown is the perforated strip 12B closed loop engaged on two driving pulleys, this perforated strip cooperating with the suction controlled to extract by suction the last separator stored at the rear of the separator stack and transfer it to the secondary conveyor 11.

En particulier, sur la figure 5, l'aspiration commandée 12A est à l'arrêt et le séparateur courant 2 à extraire de l'arrière de la pile de séparateurs se trouve à plat parallèle aux autres séparateurs de la pile.In particular, on the figure 5 , the controlled suction 12A is stopped and the current separator 2 to be extracted from the rear of the separator stack is flat parallel to the other separators of the battery.

L'espace entre ce séparateur courant 2 et le segment 7B de la plaque de dépilage forme une sorte de dièdre de séparation 13 qui s'ouvre vers le convoyeur secondaire 11 mais qui est en partie fermé par la rive de taquage 5 de la zone de stockage.The space between this current separator 2 and the segment 7B of the unstacking plate forms a sort of separation dihedron 13 which opens towards the secondary conveyor 11 but which is partially closed by the jogging edge 5 of the storage.

L'espace entre le segment oblique 7B et la rive de taquage 5 doit en pratique être supérieur à l'épaisseur d'un séparateur, par exemple 3 à 4 fois supérieur.The space between the oblique segment 7B and the jogging edge 5 must in practice be greater than the thickness of a separator, for example 3 to 4 times greater.

Sur la figure 6, l'aspiration commandée 12A est actionnée ce qui a pour effet une aspiration de la partie avant du séparateur courant 2 contre le segment 7B de la plaque de dépilage tandis que la partie arrière du séparateur courant est plaquée contre le segment 7A de la plaque de dépilage.On the figure 6 , the controlled suction 12A is actuated which has the effect of suction of the front part of the current separator 2 against the segment 7B of the unstacking plate while the rear part of the current separator is pressed against the segment 7A of the unstacking plate.

Il en résulte donc un pliage du séparateur courant 2 sensiblement en son milieu (milieu transversal de la pile) et un décalage de l'avant du séparateur courant 2 du reste de la pile de séparateurs.This results in a bending of the current separator 2 substantially in its middle (transverse medium of the stack) and a shift of the front of the current separator 2 from the rest of the stack of separators.

En même temps, la courroie perforée 12B entraîne en mouvement le séparateur courant 2 pour le séparer de la pile et le transférer vers le convoyeur secondaire 11 à travers le dièdre de séparation 13.At the same time, the perforated belt 12B moves the current separator 2 in motion to separate it from the stack and transfer it to the secondary conveyor 11 through the separation dihedron 13.

A noter que le séparateur adjacent au séparateur courant 2 dans la pile reste en butée contre la rive de taquage 5 pendant l'extraction du séparateur courant 2 ce qui permet d'éviter les risques de prise double ou multiple dans le module de stockage en mode dépilage.Note that the separator adjacent to the current separator 2 in the stack remains in abutment against the jogging edge 5 during the extraction of the current separator 2 which avoids the risk of double or multiple pickup in the storage module mode unstacking.

L'angle d'inclinaison du second segment 7B de la plaque de dépilage peut être compris entre 3 et 15° par rapport au segment 7A qui est parallèle à la pile de séparateurs. Cet angle doit être compatible avec la flexibilité des séparateurs.The angle of inclination of the second segment 7B of the unstacking plate may be between 3 and 15 ° relative to the segment 7A which is parallel to the stack of separators. This angle must be compatible with the flexibility of the separators.

De préférence, les deux segments 7A et 7B se coupent aux environs d'un axe longitudinal médian de la pile d'articles de sorte que chaque séparateur est globalement déformé en son milieu par la plaque de dépilage sans être endommagé.Preferably, the two segments 7A and 7B intersect around a median longitudinal axis of the stack of articles so that each separator is generally deformed in its middle by the unstacking plate without being damaged.

Sur les figures 1 à 4, on a représenté une barrière 14 dans le dièdre de séparation 13.On the Figures 1 to 4 a barrier 14 is shown in the separation dihedron 13.

Cette barrière 14 est montée mobile pour occuper une première position montrée sur les figures 1 et 2 dans laquelle elle bloque l'extraction d'un séparateur de la pile de séparateurs quand le module de stockage est en mode empilage.This barrier 14 is movably mounted to occupy a first position shown on the Figures 1 and 2 in which it blocks the extraction of a separator from the stack of separators when the storage module is in stacking mode.

La barrière 14 est déplacée sur les figures 3 et 4 pour occuper une seconde position dans laquelle elle autorise l'extraction d'un séparateur de la pile de séparateurs quand le module de stockage est en mode dépilage.Barrier 14 is moved on Figures 3 and 4 to occupy a second position in which it allows the extraction of a separator from the stack of separators when the storage module is in unstacking mode.

Avantageusement selon l'invention, la barrière 14 est une barrière pivotante (comme représentée par une flèche en arc de cercle sur les figures 3 et 4) autour d'un axe adjacent à l'extrémité de la rive de taquage 5 dans le dièdre de séparation. Avec cet agencement, la barrière pivotant est apte à repousser dans la zone de stockage un séparateur 2 qui aurait été partiellement extrait de la pile lors d'une prise double. Ce séparateur est repoussé quand la barrière 14 passe de la seconde position vers la première position, c'est à dire quand le module de stockage passe du mode dépilage au mode empilage.Advantageously according to the invention, the barrier 14 is a pivoting barrier (as represented by an arrow in an arc on the figures 3 and 4 ) about an axis adjacent to the end of the jogging edge 5 in the separation dihedron. With this arrangement, the pivoting barrier is able to push back into the storage area a separator 2 which would have been partially extracted from the stack during a double take. This separator is pushed back when the barrier 14 moves from the second position to the first position, that is to say when the storage module switches from the unstacking mode to the stacking mode.

Cet agencement permet de réduire encore plus les risques de prise double ou les risques de bourrage et augmente par conséquent la fiabilité du module de stockage selon l'invention.This arrangement makes it possible to further reduce the risks of double setting or the risk of jamming and consequently increases the reliability of the storage module according to the invention.

A noter que cette barrière pivotante 14 permet à elle seule de réduire les risques de prises double ou de bourrage dans un module de stockage ayant une plaque de dépilage 7 sans segment oblique 7B.Note that this pivoting barrier 14 alone reduces the risk of double taking or jamming in a storage module having an unstacking plate 7 without oblique segment 7B.

Le fonctionnement du module de stockage avec les fonctions d'empilage et de dépilage est rapidement décrit ci-après en relation avec les figures 1 à 4.The operation of the storage module with the stacking and unstacking functions is quickly described below in connection with the Figures 1 to 4 .

Sur la figure 1, des séparateurs 2 sont déjà stockés en pile sur chant dans la zone de dépilage 3.On the figure 1 separators 2 are already stored in stack on edge in the unstacking zone 3.

Le volet d'aiguillage 9A est orienté pour dévier un flux d'objets du convoyeur principal 9 vers le convoyeur secondaire 10.The switching flap 9A is oriented to divert a flow of objects from the main conveyor 9 to the secondary conveyor 10.

Dans le mode empilage, l'aspiration commandée 12 est arrêtée et la barrière 14 est dans la première position selon laquelle elle ferme le dièdre de séparation 13.In the stacking mode, the controlled suction 12 is stopped and the barrier 14 is in the first position in which it closes the separation dihedron 13.

Sur la figure 2, un séparateur est maintenant arrivé dans le convoyeur secondaire 10 et va être empilé à l'arrière de la pile de séparateurs dans la zone de stockage 3.On the figure 2 a separator has now arrived in the secondary conveyor 10 and will be stacked at the rear of the stack of separators in the storage area 3.

Au fur et à mesure que des séparateurs 2 sont déplacés en série sur chant dans le convoyeur principal 9, ils sont donc déviés un à un par le volet 9A vers le convoyeur secondaire 10 pour s'empiler les uns sur les autres dans la zone de stockage 3.As separators 2 are moved in series on edge in the main conveyor 9, they are thus deflected one by one by the flap 9A to the secondary conveyor 10 to stack on top of each other in the zone of storage 3.

Sur la figure 3, le module de stockage 1 est maintenant dans le mode dépilage.On the figure 3 , the storage module 1 is now in the unstacking mode.

Le volet 9A a été actionné dans une position montrée par une flèche telle que le convoyeur principal 9 shunte le module de stockage 1. Le volet 9A ferme donc le passage du convoyeur 9 vers le convoyeur 10.The flap 9A has been actuated in a position shown by an arrow such that the main conveyor 9 shunts the storage module 1. The flap 9A thus closes the passage of the conveyor 9 towards the conveyor 10.

Par ailleurs, la barrière 14 est dans la seconde position selon laquelle elle ouvre le dièdre de séparation 13.Moreover, the barrier 14 is in the second position according to which it opens the separation dihedron 13.

Sur la figure 4, quand l'aspiration commandée 12 est activée, l'avant du séparateur courant 2 à l'arrière de la pile dans la zone de stockage est aspiré contre le segment oblique 7B de la plaque de dépilage et ce séparateur courant est alors extrait puis transféré vers le convoyeur principal 9 à travers le dièdre de séparation 13 et le convoyeur secondaire 11.On the figure 4 when the controlled suction 12 is activated, the front of the current separator 2 at the rear of the stack in the storage zone is sucked against the oblique segment 7B of the unstacking plate and this current separator is then extracted and transferred. to the main conveyor 9 through the separation dihedron 13 and the secondary conveyor 11.

Sur la figure 7, on a illustré à titre d'exemple une machine de tri postal 20 avec un dépileur 21 d'articles de courrier qui sérialise ces articles de courrier dans la machine de tri.On the figure 7 By way of example, there is illustrated a postal sorting machine 20 with a destacker 21 of mailpieces which serializes these mail items in the sorting machine.

Dans le magasin d'alimentation du dépileur 21, on a représenté deux piles d'articles de courrier séparées par un séparateur ou intercalaire 2, du type par exemple en carton flexible.In the unstacker feed magazine 21, there are shown two stacks of mail items separated by a separator or interlayer 2, of the type for example of flexible cardboard.

La machine de tri comporte ici des sorties de tri 22 et un module de stockage pour séparateurs 1 selon l'invention qui est disposé entre les sorties de tri 22 et le dépileur 21 le long du convoyeur de tri de la machine qui constitue ici le convoyeur principal 9 du module de stockage 1.The sorting machine here comprises sorting outlets 22 and a storage module for separators 1 according to the invention which is arranged between the sorting outlets 22 and the unstacker 21 along the sorting conveyor of the machine which constitutes here the conveyor main 9 of the storage module 1.

Sur la figure 7, on a illustré aussi une unité de contrôle/commande qui pilote les actionneurs de la machine de tri et en particulier les actionneurs du volet 9A, de l'aspiration commandée 12 et de la barrière 14 dans le module de stockage.On the figure 7 a control / control unit is also illustrated which controls the actuators of the sorting machine and in particular the actuators of the shutter 9A, the controlled suction 12 and the barrier 14 in the storage module.

Dans une machine de tri postal avec un convoyeur de tri présentant une boucle de retour vers une entrée d'alimentation de la machine en articles de courrier, le module de stockage 1 pour séparateurs de piles de courrier peut être disposé en amont de cette boucle de retour après les sorties de tri par exemple.In a postal sorting machine with a sorting conveyor having a return loop to a feed inlet of the machine in mail items, the storage module 1 for mail stack separators can be disposed upstream of this mail loop. return after sorting exits for example.

Claims (9)

  1. A storage module (1) comprising a storage zone (3) for storing flat articles (2) by accumulation in a stack and on edge, a main conveyor (9) that extends transversely to the storage zone, a stacking function for transferring an article from the main conveyor to the storage zone and for stacking it at the back of the stack of articles in the storage zone, and an unstacking function for extracting an article from the back of the stack of articles and for transferring it to the main conveyor, said storage module being characterized in that the unstacking function comprises an unstacking plate (7) having a perforated belt and controlled suction and disposed between the main conveyor and the storage zone, said unstacking plate having a first segment (7A) parallel to the stack of articles and a second segment (7B) that is adjacent to the first segment and that extends slantwise relative to the first segment, said controlled suction being disposed in the slantwise second segment of the unstacking plate.
  2. A storage module according to claim 1, characterized in that the second slantwise segment (7B) of the unstacking plate forms an angle lying in the range 3° to 15° relative to the top of the stack of articles.
  3. A storage module according to claim 1 or claim 2, characterized in that said first and second unstacking plate segments join each other in the vicinity of a middle longitudinal axis of the stack of articles.
  4. A storage module according to claims 1 to 3, characterized in that the storage zone (3) comprises a stacking deck having rollers in contact with the underside of the stack of articles.
  5. A storage module according to any preceding claim, characterized in that the unstacking function further comprises a moving barrier (14) suitable for being moved into a first position for preventing any article from being extracted from the stack of articles, and into a second position for allowing an article to be extracted from the stack of articles, and in that said moving barrier is mounted to pivot in such a manner as to push back into the storage zone any article that has been partially extracted from the stack of articles when it is pivoted to go from the second position to the first position.
  6. A postal sorting machine characterized in that it includes a storage module according to any preceding claim.
  7. A postal sorting machine according to claim 6, characterized in that the storage module (1) is adapted to store mail stack separators in a stack and on edge.
  8. A postal sorting machine according to claim 7, characterized in that it includes a sorting conveyor extending along sorting outlets of the machine, said sorting conveyor constituting the main conveyor (9) of the storage module.
  9. A postal sorting machine according to claim 7 or claim 8, characterized in that the separators (2) are made of flexible cardboard.
EP14755856.3A 2013-09-30 2014-07-10 Storage module with piling and depiling functions Not-in-force EP3052413B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1359385A FR3011233B1 (en) 2013-09-30 2013-09-30 STORAGE MODULE WITH STACKING AND DEPILING FUNCTIONS
PCT/FR2014/051779 WO2015044540A1 (en) 2013-09-30 2014-07-10 Storage module with piling and depiling functions

Publications (2)

Publication Number Publication Date
EP3052413A1 EP3052413A1 (en) 2016-08-10
EP3052413B1 true EP3052413B1 (en) 2017-09-06

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EP14755856.3A Not-in-force EP3052413B1 (en) 2013-09-30 2014-07-10 Storage module with piling and depiling functions

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US (1) US9611112B2 (en)
EP (1) EP3052413B1 (en)
JP (1) JP3206477U (en)
CA (1) CA2924266C (en)
DK (1) DK3052413T3 (en)
ES (1) ES2644821T3 (en)
FR (1) FR3011233B1 (en)
NO (1) NO3052413T3 (en)
NZ (1) NZ718169A (en)
PT (1) PT3052413T (en)
WO (1) WO2015044540A1 (en)

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DE1286966B (en) * 1967-05-23 1969-01-09 Standard Elektrik Lorenz Ag Buffer storage units connected to a distribution section on an upright conveyor system for flat conveyed material
US4678175A (en) * 1985-11-18 1987-07-07 International Business Machines Corporation Sheet money feeding machine with improved separation means
US5310062A (en) * 1986-09-05 1994-05-10 Opex Corporation Apparatus for automated mail extraction and remittance processing
US5417414A (en) * 1993-11-15 1995-05-23 Pitney Bowes Inc. Stacker improvement for handling external side seam envelopes
JP3793599B2 (en) * 1996-03-19 2006-07-05 日立オムロンターミナルソリューションズ株式会社 Paper sheet sorting device
JP2000109230A (en) 1998-10-05 2000-04-18 Nec Corp Method and device for taking out paper sheet
JP3977982B2 (en) * 2000-05-19 2007-09-19 日立オムロンターミナルソリューションズ株式会社 Banknote storage and release box and banknote deposit and withdrawal machine
DE102006030093B3 (en) 2006-06-28 2007-12-27 Siemens Ag Flat mail piece e.g. letter, storage module for use in postal sorting station, has storage area with splitting knife with which two forces exercised antiparallel to stacking direction of part of mail piece stored in area, respectively
JP2008056363A (en) 2006-08-29 2008-03-13 Nec Corp Paper sheet separation mechanism, paper sheet separation method, and paper sheet feeder
DE102006052315B3 (en) * 2006-11-07 2008-04-24 Siemens Ag Flat post items sorting method for e.g. post office, involves extracting post items from memory modules in sorting operation and storing items in module of segment, and draining sorted items in module of segments according to draining order
DE102006055947B3 (en) * 2006-11-24 2008-01-10 Siemens Ag Flat mail items sorting system has multiple sorting registers and memory module, which works at last-in or first-out principle, where memory module is attached to conveyor belt, by switch, which is present in front of switches
DE102008009971A1 (en) * 2008-02-20 2009-08-27 Siemens Aktiengesellschaft Memory module for flat objects

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Also Published As

Publication number Publication date
CA2924266C (en) 2018-03-20
NO3052413T3 (en) 2018-02-03
EP3052413A1 (en) 2016-08-10
US20160257510A1 (en) 2016-09-08
FR3011233B1 (en) 2015-09-04
DK3052413T3 (en) 2017-11-06
CA2924266A1 (en) 2015-04-02
US9611112B2 (en) 2017-04-04
WO2015044540A1 (en) 2015-04-02
JP3206477U (en) 2016-09-23
NZ718169A (en) 2016-11-25
FR3011233A1 (en) 2015-04-03
ES2644821T3 (en) 2017-11-30
PT3052413T (en) 2017-10-20

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