EP1220720A1 - Sorting device for flat mail items - Google Patents

Sorting device for flat mail items

Info

Publication number
EP1220720A1
EP1220720A1 EP00956085A EP00956085A EP1220720A1 EP 1220720 A1 EP1220720 A1 EP 1220720A1 EP 00956085 A EP00956085 A EP 00956085A EP 00956085 A EP00956085 A EP 00956085A EP 1220720 A1 EP1220720 A1 EP 1220720A1
Authority
EP
European Patent Office
Prior art keywords
containers
container
mail items
transport
sorting device
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Withdrawn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
EP00956085A
Other languages
German (de)
French (fr)
Inventor
Rudolf Schuster
Peter Bretschneider
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
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 Siemens AG filed Critical Siemens AG
Publication of EP1220720A1 publication Critical patent/EP1220720A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/08—Apparatus characterised by the means used for distribution using arrangements of conveyors
    • B07C3/082—In which the objects are carried by transport holders and the transport holders form part of the conveyor belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/912—Endless feed conveyor with means for holding each item individually

Definitions

  • the present invention relates to a sorting device according to the preamble of patent claim 1.
  • a sorting device is known from EP-A-0608161, in which flat objects are laterally transported from the outside into containers by means of a channel-shaped, locally fixed feeding device. These containers rotating in a closed loop are moved horizontally past the feed device and the items then fall into the sorting containers located below by deliberately opening flaps in accordance with the sorting instructions.
  • the items in the feed device must have a very high transport speed, which can lead to damage when the items in the container are braked, or the speed of the containers is very low or the containers stand during the introduction silent, which means a reduction in throughput of the machine.
  • the end section of the transport means of the feed device was designed so that it could be pivoted in such a way that during the transfer of the respective mail item this end section was pivoted with the same direction and speed as the moving container and is swung back again after the introduction. If it is necessary or advantageous to load consignments into empty rotating containers during the respective sorting process while other containers are still filled, the feeding must be coordinated with the position of the empty containers, ie if there is an empty container and the following empty container If there are several filled containers, the delivery of the mail items is interrupted until the filled containers have moved past the entry point. However, this stopping the delivery of the consignment results in an undesired throughput loss.
  • sorting devices are their dimensions, which should be as small as possible. According to the state of the art, these are essentially determined by the dimensions of the Ford loop, in which the containers circulate, and by the feed device with separating device and transport means located completely outside the Ford loop.
  • the object of the invention is to create a generic sorting device with at least one feed device and with containers rotating around a Ford loop for lateral reception, transport and controllable delivery of the items to sorting trays arranged along the Ford loop, which has smaller dimensions and which enables a higher throughput, when shipments are loaded into empty containers with containers that are already / or still filled.
  • Swiveling range can be loaded into an empty container without loading delay. If there are several full containers between the currently loaded container and the container to be loaded next, the speed of the consignment does not have to be reduced or even stopped in any case until the empty container has always reached the same place of entry, rather, the end point of the means of transport can be pivoted against the direction of transport at such a speed that the next item is conveyed into the next rotating empty container with the mailing speed maintained. This prevents larger throughput losses. After the end section has reached the end of the swivel range against the transport direction, it must of course be swiveled back to the beginning.
  • the end section of the means of transport can advantageously be pivoted about the center point of the semicircular, horizontally oriented conveying section, the result is a simple construction and the pivoting range can be made relatively large.
  • the containers are inclined in the transport direction so that the mail items have a defined position in the container and slide securely into the trays.
  • the orientation of the end of the transport route corresponds approximately to this inclination.
  • the separating device for the material input outside the Ford loop and below the container level.
  • the means of transport then rises so inside the Ford loop that it ends up at the height of the container.
  • the stores m are divided into two groups of approximately the same size, the consignments being sorted one after the other, the items being sorted alternately into only one of the two groups. This makes it possible to load and unload the machine with one person without stopping the sorting process.
  • the reading device and, if necessary, further assemblies, such as measuring devices and printers, are arranged along the fixed part of the transport means.
  • FIG la is a schematic side view of the sorting device
  • FIG lb is a schematic plan view of the sorting device
  • the device for sorting shown in FIGS. La and b represents a conveying device with rotating containers 1 for one flat consignment standing on its narrow side.
  • These containers 1 arranged in a row run in a horizontally oriented Ford loop with two semicircular conveying sections 2 and in between two rectilinear sections 3 in the direction of the arrow. Beneath the two rectilinear sections 3 there are open shelves 4, which are used to sort the mail items according to the current sorting plan.
  • the containers 1 are combined in units of v each container 1. If a particular shipment is to be transported into a particular shelf 4, the container above the shelf is opened by means of a loading mechanism of these shelves 4, which is not shown but is known per se, and the shipment slides into the shelf 4.
  • the container 1 are inclined in the transport direction, so that the lower parts in the transport direction are behind the upper parts.
  • the mailing of the container orientation slides downward into the storage 4, in which the mailing then stands correspondingly obliquely on a narrow side and leans against a corresponding side wall. This prevents the shipments from tipping over to the other side, especially with empty trays 4, and making proper stacking impossible.
  • the semicircular conveying sections 2 are guided on turntables 5. Is it necessary to have a large To process the number of consignments, it is of course also possible to increase the number of containers 1 in a loop with the same base area by circulating on two floors while keeping the shelves 4.
  • overlapping processing takes place, ie, while mail items located in container 1 are being transported to the shelves 4, but this process has not yet been completed, mail items for one are already in the container 1, which has in the meantime become empty new sort run (different address area) loaded.
  • the shelves 4 are either assigned to specific addresses / address areas, or the mail items are sorted into the shelves 4 in fixed sequences of breakpoints. If the shelves 4 are divided into two groups (each storage row corresponds to one group) and for the sorting runs carried out one after the other, they are sorted alternately into only one of the two storage groups, even if the working method overlaps. In the overlapping mode of operation, there may be several full containers 1 between two empty containers 1.
  • the end section of the transport means 7 has to reach the substance input in such a large area as possible to the next empty container at such a speed the transport direction of the container 1 be pivoted so that the consignment does not have to be stopped.
  • the end section When the end section has reached the end of the swivel area, it must be swiveled back into the swivel area.
  • This swiveling process is combined with the swiveling to support the infeed of the mail items (swiveling during the infeed with approximately the transport speed of the container). Since both pivoting movements are in opposite directions, backward pivoting movements are only necessary if the end section of the transport means 7 has reached the limits of the pivoting range. To swivel with mog To carry out little effort and at the same time to reduce the base area of the sorting device, the containers 1 are loaded from the inside, ie the loading openings of the containers 1 are directed inwards.
  • the mail items are separated from a stack in a separating device 6 of the material input and then conveyed by means of a cover belt system as a means of transport 7 to the semicircular conveying section 2 removed from the separating device 6.
  • the subassemblies, not shown, such as reading device, sensors receiving the items, printers are arranged along the cover band system.
  • the separating device 6 is located outside and below the rotating container 1, so that the stack of mail items to be separated and sorted can be conveniently fed. Under the obvious semicircular section 2, the
  • the loading area ie the end section of the shroud system and the semicircular conveyor section 2 are explained in more detail in FIG.
  • the end section of the shroud system consisting of shrouds 9, guide and drive rollers 10 and a sliding guide 14, is pivotable about the center M of the conveyor section 2.
  • a sliding guide 14 with a larger radius of curvature was chosen instead of a roller with a small diameter in order to keep the stress on the mail items as low as possible during deflection.
  • the swiveling range with the swiveling angle ⁇ is on the left side, so that sufficient tension between the shrouds 9 for clamping the mailings is generated simply by guiding the cover band 9 over the curved slide guide 14 with a smooth surface, for example Teflon ,
  • the cover bands 9 are as close as possible to the deflection and guide rollers 10.2
  • Center point M is returned so that the length changes during pivoting are only slight and can be compensated for by the elasticity of the shrouds 9.
  • the two end rollers 10.1 forming the entry point are adapted to the containers 4 so as to ensure that the mail items are shot into the narrow side openings.
  • the end section is pivoted by means of a toothed belt 12 which is driven by a motor 13 and which is guided by means of a curved guide 11 of the end section which can be pivoted in the center M and has corresponding teeth. Due to the large gear ratio, high accelerations when starting and stopping are possible.
  • Safety linings 15 are located in the semicircular front sections 2 on the outside of the container.
  • the container 4 can be driven both with a rope and with a chain.

Landscapes

  • Sorting Of Articles (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Abstract

The invention relates to a sorting device for flat mail items. The inventive device comprises several containers (1) which circulate in a conveying loop comprising at least two semicircular conveying sections (2) and serve for laterally receiving, transporting and delivering a mail item respectively in a controlled manner, whereby said item is situated on a narrow side. The inventive device also comprises several places of deposit (4) which are open to the top and are arranged along the conveying device and below the containers (1). The lateral openings of the containers (1) serve for charging and are located in the interior of the conveying loop and the transport means (7) of the material input device is arranged in the conveying loop and transports the mail items into the lateral openings of the containers (1) in a semicircular conveying section (2) which is oriented horizontally. The end section of the transport means (7) can be displaced for delivery. Said section can also be displaced in such a way that said displaceable end is situated in a determined displacement area at the empty container (1) when the mail item to be delivered respectively has arrived at the end of the transport way without delay.

Description

Beschreibungdescription
Sortiereinrichtung für flache SendungenSorting device for flat items
Die vorliegende Erfindung betrifft eine Sortiereinrichtung gemäß dem Oberbegriff des Patentanspruchs 1.The present invention relates to a sorting device according to the preamble of patent claim 1.
Zur Sortierung von flachen Sendungen, wie Briefen, Postkarten, Packchen und dergleichen entsprechend den auf ihrer Oberflache angegebenen Verteilmformationen ist es bekannt, diese Sendungen m spezielle Behalter aufzunehmen, zu transportieren und gesteuert abzugeben.For sorting flat items, such as letters, postcards, packages and the like, according to the distribution information given on their surface, it is known to pick up, transport and deliver these items in a special container.
So ist aus EP-A-0608161 eine Sortiervorrichtung bekannt, bei welcher flache Gegenstande mittels einer kanalformigen, örtlich festen Zufuhrvorrichtung von außen seitlich in Behalter transportiert werden. Diese in einer geschlossenen Schleife umlaufenden Behalter werden an der Zufuhrvorrichtung horizontal vorbeibewegt und die Sendungen fallen dann durch geziel- tes Offnen von Klappen gemäß der Sortiervorschrift in darunter befindliche Sortierbehalter . Zum sicheren Einschleusen der Sendungen in die bewegten Behalter müssen entweder die Sendungen in der Zufuhrvorrichtung eine sehr hohe Transportgeschwindigkeit aufweisen, was beim Abbremsen der Sendungen im Behalter zu Beschädigungen fuhren kann, oder die Geschwindigkeit der Behalter ist sehr niedrig bzw. die Behalter stehen wahrend der Einschleusung still, was eine Durchsatzreduzierung der Maschine bedeutet.A sorting device is known from EP-A-0608161, in which flat objects are laterally transported from the outside into containers by means of a channel-shaped, locally fixed feeding device. These containers rotating in a closed loop are moved horizontally past the feed device and the items then fall into the sorting containers located below by deliberately opening flaps in accordance with the sorting instructions. To securely insert the mail items into the moving containers, either the items in the feed device must have a very high transport speed, which can lead to damage when the items in the container are braked, or the speed of the containers is very low or the containers stand during the introduction silent, which means a reduction in throughput of the machine.
Um das Einschleusen der Sendungen in die Behalter zu verbessern, wurde gemäß WO 97/10904 der Endabschnitt des Transportmittels der Zufuhreinrichtung so schwenkbar ausgeführt, daß wahrend der Einschleusung der jeweiligen Sendung dieser Endabschnitt mit im wesentlichen gleicher Richtung und Ge- schwmdigkeit wie der bewegte Behalter mitgeschwenkt wird und nach Einschleusung wieder zuruckgeschwenkt wird. Ist es notwendig oder vorteilhaft, wahrend des jeweiligen Sortierverlaufes Sendungen in leere umlaufende Behalter zu laden, wahrend andere Behalter noch gef llt sind, muß das Zufuhren auf die Lage der leeren Behalter abgestimmt sein, d.h. wenn sich zwischen einem leeren Behalter und dem folgenden leeren Behalter mehrere gefüllte Behalter befinden, wird das Zufuhren der Sendungen solange unterbrochen, bis sich die gefüllten Behalter an der Einschleusestelle vorbeibewegt haben. Dieses Stoppen der Sendungszufuhrung hat aber einen nicht ge- wollten Durchsatzverlust zur Folge.In order to improve the transfer of the mail items into the container, the end section of the transport means of the feed device was designed so that it could be pivoted in such a way that during the transfer of the respective mail item this end section was pivoted with the same direction and speed as the moving container and is swung back again after the introduction. If it is necessary or advantageous to load consignments into empty rotating containers during the respective sorting process while other containers are still filled, the feeding must be coordinated with the position of the empty containers, ie if there is an empty container and the following empty container If there are several filled containers, the delivery of the mail items is interrupted until the filled containers have moved past the entry point. However, this stopping the delivery of the consignment results in an undesired throughput loss.
Eine wichtige Eigenschaft von Sortiervorrichtungen sind auch deren Abmessungen, die möglichst gering sein sollen. Diese werden nach dem Stand der Technik wesentlich durch die Abmes- sungen der Forderschleife, in der die Behalter umlaufen und der komplett außerhalb der Forderschleife befindlichen Zufuhreinrichtung mit Vereinzelungsvorrichtung und Transportmittel bestimmt .An important property of sorting devices is their dimensions, which should be as small as possible. According to the state of the art, these are essentially determined by the dimensions of the Ford loop, in which the containers circulate, and by the feed device with separating device and transport means located completely outside the Ford loop.
Der im Anspruch 1 angegebenen Erfindung liegt deshalb dieThe invention specified in claim 1 is therefore the
Aufgabe zugrunde, eine gattungsgemaße Sortiereinrichtung mit mindestens einer Zufuhreinrichtung und mit m einer Forderschleife umlaufenden Behaltern zur seitlichen Aufnahme, zum Transport und zur steuerbaren Abgabe der Sendungen an entlang der Forderschleife angeordnete Sortierablagen zu schaffen, die geringere Abmessungen aufweist, und die einen höheren Durchsatz ermöglicht, wenn Sendungen in leere Behalter bei schon/oder noch gefüllten Behaltern geladen werden.The object of the invention is to create a generic sorting device with at least one feed device and with containers rotating around a Ford loop for lateral reception, transport and controllable delivery of the items to sorting trays arranged along the Ford loop, which has smaller dimensions and which enables a higher throughput, when shipments are loaded into empty containers with containers that are already / or still filled.
Durch das Verlegen der seitlichen Offnungen der Behalter zum Beladen gegenüber dem Stand der Technik in das Innere der Forderschleife und das Anordnen des Transportmittels der Zufuhreinrichtung innerhalb der Forderschleife so, daß die Sendungen in die seitlichen Offnungen der Behalter in einem ho- rizontal ausgerichteten, halbkreisförmigen Forderabschnitt transportiert werden, verringern sich die benotigten Abmessungen der Sortiereinrichtung und beim Schwenken des Endab- Schnittes des Transportmittels sind wegen der halbkreisförmigen Behalteranordnung keine Langenausgleiche notwendig.By relocating the lateral openings of the containers for loading compared to the prior art into the interior of the Ford loop and arranging the means of transport of the feed device within the Ford loop in such a way that the mail items in the lateral openings of the containers in a horizontally oriented, semicircular conveying section transported, the required dimensions of the sorting device are reduced and when the end Section of the means of transport is no longer necessary due to the semi-circular container arrangement.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Un- teranspruche dargestellt.Advantageous embodiments of the invention are shown in the subclaims.
So ist es vorteilhaft, den Endabschnitt des Transportmittels zusätzlich zum bekannten Schwenken für das Einschleusen der Sendungen in die Behalter so zu schwenken, daß die aktuell einzuschleusende Sendung innerhalb eines festgelegtenThus, it is advantageous to pivot the end section of the means of transport in addition to the known pivoting for introducing the mail items into the containers in such a way that the mail item currently to be inserted is within a specified one
Schwenkbereiches in einen leeren Behalter ohne Ladeverzoge- rung ladbar ist. Befinden sich also zwischen dem gerade bela- denen Behalter und dem als nächstes zu beladenden Behalter mehrere volle Behalter, so muß die Sendungszufuhrgeschwindig- keit nicht in jedem Fall reduziert oder sogar gestoppt werden, bis der leere Behalter die bisher immer raumlich gleiche Einschleusestelle erreicht hat, sondern die Endstelle des Transportmittels ist soweit mit solcher Geschwindigkeit entgegen der Transportrichtung schwenkbar, daß die nächste Sen- düng mit beibehaltener Sendungszufuhrgeschwindigkeit in den nächsten umlaufenden leeren Behalter geschleust wird. Dadurch werden größere Durchsatzverluste vermieden. Nachdem der Endabschnitt am Ende des Schwenkbereiches entgegen der Transportrichtung angelangt ist, muß er selbstverst ndlich an den Anfang zuruckgeschwenkt werden.Swiveling range can be loaded into an empty container without loading delay. If there are several full containers between the currently loaded container and the container to be loaded next, the speed of the consignment does not have to be reduced or even stopped in any case until the empty container has always reached the same place of entry, rather, the end point of the means of transport can be pivoted against the direction of transport at such a speed that the next item is conveyed into the next rotating empty container with the mailing speed maintained. This prevents larger throughput losses. After the end section has reached the end of the swivel range against the transport direction, it must of course be swiveled back to the beginning.
Ist der Endabschnitt des Transportmittels vorteilhaft um den Mittelpunkt des halbkreisförmigen, horizontal ausgerichteten Forderabschnittes schwenkbar, so ergibt sich ein einfacher Aufbau und der Schwenkbereich kann relativ groß gestaltet werden.If the end section of the means of transport can advantageously be pivoted about the center point of the semicircular, horizontally oriented conveying section, the result is a simple construction and the pivoting range can be made relatively large.
In einer weiteren vorteilhaften Ausgestaltung sind die Behalter in Transportrichtung geneigt, damit die Sendungen im Be- halter eine definierte Lage haben und sicher in die Ablagen gleiten. Dazu entspricht die Orientierung des Endes der Transportstrecke (Einschußstelle) annähernd dieser Neigung. Am Schwenkpunkt des Transportmittels ist eine vertikale Orientierung vorhanden, um einen einfachen Schwenkmechanismus zu ermöglichen.In a further advantageous embodiment, the containers are inclined in the transport direction so that the mail items have a defined position in the container and slide securely into the trays. For this purpose, the orientation of the end of the transport route (entry point) corresponds approximately to this inclination. There is a vertical orientation at the pivot point of the means of transport to enable a simple pivot mechanism.
Um eine ungehinderte Sendungszufuhr und eine gute Zuganglich- keit zu gewahrleisten, ist es vorteilhaft, die Vereinzelungseinrichtung der Stoffeingabe außerhalb der Forderschleife und unterhalb der Behalterebene anzuordnen. Das Transportmittel fuhrt dann ansteigend so ms Innere der Forderschleife, daß es Hohe der Behalter endet.In order to ensure unimpeded shipment delivery and good accessibility, it is advantageous to arrange the separating device for the material input outside the Ford loop and below the container level. The means of transport then rises so inside the Ford loop that it ends up at the height of the container.
Gunstig ist es auch, das Transportmittel als Deckbandsystem auszufuhren, in welchem die Sendungen eingeklemmt zwischen elastischen Riemen gehalten und transportiert werden, wodurch die Luckenverschiebungen gering gehalten werden können. Um die Langenunterschiede der rucklaufenden Bander beim Schwenken klein zu halten, werden sie möglichst dicht am Schwenkpunkt vorbeigefuhrt .It is also expedient to design the means of transport as a shroud system in which the mail items are clamped between elastic belts and are transported, as a result of which the gap displacements can be kept low. In order to keep the length differences of the returning tapes small when swiveling, they are guided as close as possible to the swiveling point.
In einer weiteren Ausgestaltung sind die Ablagen m zwei annähernd gleich große Gruppen unterteilt, wobei nacheinander ablaufenden Sortierlaufen die Sendungen abwechselnd nur in eine der beiden Gruppen sortiert werden. Dadurch ist es möglich, die Maschine mit einer Person zu be- und entladen, ohne den Sortierablauf zu stoppen.In a further embodiment, the stores m are divided into two groups of approximately the same size, the consignments being sorted one after the other, the items being sorted alternately into only one of the two groups. This makes it possible to load and unload the machine with one person without stopping the sorting process.
Werden vorteilhafterweise die Sendungen schon in leere Behalter geladen, wenn sich noch Sendungen des vorherigen Sortierlaufes in Behaltern befinden, erhöht sich der Durchsatz.If the shipments are advantageously already loaded into empty containers when there are still shipments from the previous sorting run in containers, the throughput increases.
In einer platzsparenden Weiterbildung der Erfindung sind entlang des feststehenden Teils des Transportmittels die Lese- emrichtung und bei Bedarf weitere Baugruppen, wie Meßeinrichtungen und Drucker angeordnet.In a space-saving development of the invention, the reading device and, if necessary, further assemblies, such as measuring devices and printers, are arranged along the fixed part of the transport means.
Anschließend wird die Erfindung in einem Ausfuhrungsbeispiel anhand der Zeichnung naher erläutert. Dabei zeigenThe invention is explained in more detail in an exemplary embodiment with reference to the drawing. Show
FIG la eine schematische Seitenansicht der Sor- tiereinπchtungFIG la is a schematic side view of the sorting device
FIG lb eine schematische Draufsicht der SortiereinrichtungFIG lb is a schematic plan view of the sorting device
FIG 2 eine Draufsicht auf den Beladebereich2 shows a plan view of the loading area
Die m FIG la und b dargestellte Einrichtung zum Sortieren stellt eine Fordereinrichtung mit umlaufenden Behaltern 1 für jeweils eine auf ihrer Schmalseite stehende flache Sendung dar. Diese aneinander gereihten Behalter 1 laufen in einer horizontal ausgerichteten Forderschleife mit zwei halbkreisförmigen Forderabschnitten 2 und dazwischen zwei geradlinig verlaufenden Abschnitten 3 in Pfeilrichtung um. Unterhalb der beiden geradlinig verlaufenden Forderabschnitte 3 befinden sich oben offene Ablagen 4, m welche die Sendungen entspre- chend des aktuellen Sortierplanes sortiert werden. Die Behalter 1 sind in Einheiten von jeweils v er Behaltern 1 zusammengefaßt. Soll eine bestimmte Sendung in eine bestimmte Ablage 4 transportiert werden, so wird mittels eines nicht dargestellten, aber an sich bekannten Lademechanismus dieser Ab- läge 4 der Behalter über der Ablage geöffnet, und die Sendung gleitet m die Ablage 4. Damit dieses in die Ablage Gleiten definiert ablauft, sind die Behalter 1 in Transportrichtung geneigt, so daß sich die unteren Teile m Transportrichtung hinter den oberen Teilen befinden. Beim Offnen des Behal- ters 1 gleitet die Sendung der Behalteroπentierung nach unten in die Ablage 4, in der die Sendung dann entsprechend schräg auf einer Schmalseite steht und sich an eine entsprechende Seitenwand anlehnt. Damit wird vermieden, daß die Sendungen insbesondere bei leeren Ablagen 4 zur anderen Seite kippen und em ordentliches Stapeln unmöglich wird. Die halbkreisförmigen Forderabschnitte 2 werden an Drehtellern 5 gefuhrt. Ist es notwendig, in einem Sortierlauf eine große An- zahl von Sendungen zu verarbeiten, ist es selbstverständlich auch möglich, die Anzahl der Behalter 1 in einer Schleife bei gleicher Grundflache zu erhohen, indem der Umlauf in zwei Etagen bei Beibehaltung der Ablagen 4 erfolgt. Um einen mog- liehst hohen Durchsatz zu erreichen, erfolgt eine überlappende Bearbeitung, d.h. wahrend in den Behaltern 1 befindliche Sendungen in die Ablagen 4 transportiert werden, dieser Vorgang aber noch nicht abgeschlossen ist, werden in die inzwischen leer gewordenen Behalter 1 schon Sendungen für einen neuen Sortierlauf (anderer Adreßbereich) geladen. Die Ablagen 4 sind entweder bestimmten Adressen/Adreßbereichen zugeordnet, oder die Sendungen werden in die Ablagen 4 in festgelegten Reihenfolgen von Haltepunkten sortiert. Werden die Ablagen 4 in zwei Gruppen unterteilt (jede Ablagereihe ent- spricht einer Gruppe) und wird für die nacheinander durchgeführten Sortierlaufe abwechselnd nur in eine der beiden Ablagegruppen sortiert, auch bei überlappender Arbeitweise. Bei der überlappenden Arbeitsweise können sich zwischen zwei leeren Behaltern 1 mehrere noch volle Behalter 1 befinden. Um zu vermeiden, daß die Sendungszufuhr verlangsamt oder abgestoppt werden muß, bis der leere Behalter 1 sich vor einer raumlich- festen Einschußstelle befindet, muß der Endabschnitt des Transportmittels 7 der Stoffeingabe in einem festgelegten, möglichst großen Bereich mit solcher Geschwindigkeit zum nächsten leeren Behalter entgegen der Transportrichtung der Behalter 1 schwenkbar sein, daß die einzuschleusende Sendung nicht abgestoppt werden muß. Ist der Endabschnitt am Ende des Schwenkbereiches angekommen, muß dieser in den Schwenkbereich zuruckgeschwenkt werden.The device for sorting shown in FIGS. La and b represents a conveying device with rotating containers 1 for one flat consignment standing on its narrow side. These containers 1 arranged in a row run in a horizontally oriented Ford loop with two semicircular conveying sections 2 and in between two rectilinear sections 3 in the direction of the arrow. Beneath the two rectilinear sections 3 there are open shelves 4, which are used to sort the mail items according to the current sorting plan. The containers 1 are combined in units of v each container 1. If a particular shipment is to be transported into a particular shelf 4, the container above the shelf is opened by means of a loading mechanism of these shelves 4, which is not shown but is known per se, and the shipment slides into the shelf 4. So that this is stored in the shelf Sliding runs defined, the container 1 are inclined in the transport direction, so that the lower parts in the transport direction are behind the upper parts. When the container 1 is opened, the mailing of the container orientation slides downward into the storage 4, in which the mailing then stands correspondingly obliquely on a narrow side and leans against a corresponding side wall. This prevents the shipments from tipping over to the other side, especially with empty trays 4, and making proper stacking impossible. The semicircular conveying sections 2 are guided on turntables 5. Is it necessary to have a large To process the number of consignments, it is of course also possible to increase the number of containers 1 in a loop with the same base area by circulating on two floors while keeping the shelves 4. In order to achieve a throughput that is as high as possible, overlapping processing takes place, ie, while mail items located in container 1 are being transported to the shelves 4, but this process has not yet been completed, mail items for one are already in the container 1, which has in the meantime become empty new sort run (different address area) loaded. The shelves 4 are either assigned to specific addresses / address areas, or the mail items are sorted into the shelves 4 in fixed sequences of breakpoints. If the shelves 4 are divided into two groups (each storage row corresponds to one group) and for the sorting runs carried out one after the other, they are sorted alternately into only one of the two storage groups, even if the working method overlaps. In the overlapping mode of operation, there may be several full containers 1 between two empty containers 1. In order to avoid that the consignment has to be slowed down or stopped until the empty container 1 is in front of a spatially fixed entry point, the end section of the transport means 7 has to reach the substance input in such a large area as possible to the next empty container at such a speed the transport direction of the container 1 be pivoted so that the consignment does not have to be stopped. When the end section has reached the end of the swivel area, it must be swiveled back into the swivel area.
Dieser Schwenkvorgang wird mit dem Schwenken zur Unterstützung des Einschleusens der Sendungen (Mitschwenken wahrend des Einschleusens mit annähernd Transportgeschwindigkeit der Behalter) kombiniert. Da beide Schwenkbewegungen gegenläufig sind, sind Ruckschwenkbewegungen nur noch notwendig, wenn der Endabschnitt des Transportmittels 7 an den Grenzen des Schwenkbereiches angelangt ist. Um das Schwenken mit mog- liehst geringem Aufwand auszufuhren und gleichzeitig die Grundflache der Sortiereinrichtung zu reduzieren, werden die Behalter 1 von innen beladen, d.h. die Beladeoffnungen der Behalter 1 sind nach innen gerichtet. Die Sendungen werden in einer Vereinzelungseinrichtung 6 der Stoffeingabe aus einem Stapel vereinzelt und dann mittels eines Deckbandsystems als Transportmittel 7 zu dem von der Vereinzelungseinrichtung 6 entfernten halbkreisförmigen Forderabschnitt 2 befordert. Entlang des Deckbandsystems sind die nicht dargestellten Bau- gruppen, wie Leseeinrichtung, die Sendungen aufnehmende Sensoren, Drucker angeordnet. Die Vereinzelungseinrichtung 6 befindet sich außerhalb und unterhalb der umlaufenden Behalter 1, so daß die zu vereinzelnden und sortierenden Sendungsstapel bequem zugeführt werden können. Unter dem naheliegen- den halbkreisförmigen Forderabschnitt 2 hindurch werden dieThis swiveling process is combined with the swiveling to support the infeed of the mail items (swiveling during the infeed with approximately the transport speed of the container). Since both pivoting movements are in opposite directions, backward pivoting movements are only necessary if the end section of the transport means 7 has reached the limits of the pivoting range. To swivel with mog To carry out little effort and at the same time to reduce the base area of the sorting device, the containers 1 are loaded from the inside, ie the loading openings of the containers 1 are directed inwards. The mail items are separated from a stack in a separating device 6 of the material input and then conveyed by means of a cover belt system as a means of transport 7 to the semicircular conveying section 2 removed from the separating device 6. The subassemblies, not shown, such as reading device, sensors receiving the items, printers are arranged along the cover band system. The separating device 6 is located outside and below the rotating container 1, so that the stack of mail items to be separated and sorted can be conveniently fed. Under the obvious semicircular section 2, the
Sendungen ins Innere der Forderschleife bis zum anderen halbkreisförmigen Forderabschnitt 2 in Hohe der Behalter 1 transportiert. Unter den Ablagen 4 befindet sich ein Entleerungswagen, in welchen der Bediener die sortierten Sendungen ge- ordnet legt. Die Sendungen entnimmt er dazu den seitlich offenen Ablagen.Shipments are transported inside the Ford loop to the other semicircular section 2 at the height of the container 1. Under the shelves 4 there is an emptying trolley in which the operator places the sorted mail items in an orderly manner. To do this, he takes the consignments from the open shelves.
Der Beladebereich, d.h. der Endabschnitt des Deckbandsystems und der halbkreisförmige Forderabschnitt 2 sind in FIG 2 na- her erläutert. Der Endabschnitt des Deckbandsystems, bestehend aus Deckbandern 9, Fuhrungs- und Antriebsrollen 10 und einer Gleitfuhrung 14, ist um den Mittelpunkt M des Forderabschnittes 2 schwenkbar. Eine Gleitfuhrung 14 mit einem größeren Krümmungsradius wurde anstatt einer Rolle mit kleinem Durchmesser gewählt, um die Beanspruchung der Sendungen beim Umlenken möglichst gering zu halten. Der Schwenkbereich mit dem Schwenkwinkel α befindet sich auf der linken Seite, so daß allein schon durch die Fuhrung der Deckbander 9 über die bogenförmige Gleitfuhrung 14 mit glatter Oberflache, z.B. Te- flon, eine genugende Spannung zwischen den Deckbandern 9 zum Festklemmen der Sendungen erzeugt wird. Die Deckbander 9 werden über Fuhrungsrollen 10.2 möglichst dicht am Umlenk- und Mittelpunkt M zurückgeführt, so daß die Langenanderungen beim Schwenken nur gering ausfallen und über die Elastizität der Deckbander 9 kompensiert werden können.The loading area, ie the end section of the shroud system and the semicircular conveyor section 2 are explained in more detail in FIG. The end section of the shroud system, consisting of shrouds 9, guide and drive rollers 10 and a sliding guide 14, is pivotable about the center M of the conveyor section 2. A sliding guide 14 with a larger radius of curvature was chosen instead of a roller with a small diameter in order to keep the stress on the mail items as low as possible during deflection. The swiveling range with the swiveling angle α is on the left side, so that sufficient tension between the shrouds 9 for clamping the mailings is generated simply by guiding the cover band 9 over the curved slide guide 14 with a smooth surface, for example Teflon , The cover bands 9 are as close as possible to the deflection and guide rollers 10.2 Center point M is returned so that the length changes during pivoting are only slight and can be compensated for by the elasticity of the shrouds 9.
Die beiden die Einschußstelle bildenden Endrollen 10.1 sind den Behaltern 4 angepaßt geneigt, um das Einschießen der Sendungen in die schmalen Seitenoffnungen zu gewahrleisten. Das Schwenken des Endabschnitts erfolgt mittels eines durch einen Motor 13 angetriebenen Zahnriemen 12, der über eine bogenfor- mige, im Mittelpunkt M schwenkbare Fuhrung 11 des Endabschnitts mit einer entsprechenden Zahnung gefuhrt ist. Aufgrund des großen Übersetzungsverhältnisses sind hohe Beschleunigungen beim Anfahren und Abstoppen möglich. Sicher- heitsverkleidungen 15 befinden sich in den halbkreisförmigen Forderabschnitten 2 an den Behalteraußenseiten. Der Antrieb der Behalter 4 kann sowohl mit einem Seil als auch mit einer Kette erfolgen. The two end rollers 10.1 forming the entry point are adapted to the containers 4 so as to ensure that the mail items are shot into the narrow side openings. The end section is pivoted by means of a toothed belt 12 which is driven by a motor 13 and which is guided by means of a curved guide 11 of the end section which can be pivoted in the center M and has corresponding teeth. Due to the large gear ratio, high accelerations when starting and stopping are possible. Safety linings 15 are located in the semicircular front sections 2 on the outside of the container. The container 4 can be driven both with a rope and with a chain.

Claims

Patentansprüche claims
1. Sortiereinrichtung für flache Sendungen mit mindestens einer Stoffeingäbe, bestehend aus einer Vereinze- lungseinrichtung (6) und einem Transportmittel (7) für die vereinzelten Sendungen mit einem schwenkbaren Endabschnitt, einer Leseeinrichtung zur Ermittlung der auf den vereinzelten Sendungen befindlichen Verteilinformationen, mehreren an mindestens einer Fordereinrichtung in einer For- derschleife mit mindestens zwei halbkreisförmigen Forderabschnitten (2) , von denen mindestens einer horizontal ausgerichtet ist, umlaufenden Behaltern (1) zur seitlichen Aufnahme, zum Transport und zur steuerbaren Abgabe jeweils einer auf einer Schmalseite stehenden Sendung, wobei der Endab- schnitt des Transportmittels (7) der Stoffeingabe wahrend der Einschleusung der jeweiligen Sendung in einen leeren bewegten Behalter (1) mit im wesentlichen gleicher Richtung wie die bewegten Behalter (1) und mit der Behaltergeschwindigkeit angepaßter Geschwindigkeit geschwenkt wird, mehreren entlang der Fordereinrichtung unterhalb der Behalter (1) angeordneten, oben offenen Ablagen (4), welche die Sendungen aus den Behaltern (1) aufnehmen, und einer Steuereinrichtung, welche auch entsprechend der gelesenen Verteilinformationen die Abgabe der Sendungen aus den Be- haltern (1) an die Ablagen (4) so steuert, daß jede in einem Behalter (1) befindliche Sendung an die dieser Verteilinfor- mation zugeordnete Ablage (4), bei Bedarf in einer vorgegebenen Reihenfolge, abgegeben wird, wobei sich die seitlichen Offnungen der Behalter (1) zum Be- laden im Inneren der Forderschleife befinden und das Transportmittel (7) der Stoffeingäbe innerhalb der Forderschleife, die Sendungen in die seitlichen Offnungen der Behalter (1) in einem horizontal ausgerichteten halbkreisförmigen Forderabschnitt (2) tranportierend, angeordnet ist.1. Sorting device for flat mail items with at least one substance input, consisting of a separating device (6) and a means of transport (7) for the separated mail items with a pivotable end section, a reading device for determining the distribution information on the separated mail items, several at least a conveying device in a conveying loop with at least two semicircular conveying sections (2), at least one of which is oriented horizontally, rotating containers (1) for the lateral reception, for transport and for the controllable delivery of a consignment standing on a narrow side, the end of which - Cut the means of transport (7) of the material input during the introduction of the respective consignment into an empty moving container (1) with essentially the same direction as the moving container (1) and with the container speed adjusted speed, several along the Conveying device arranged below the container (1), open top shelves (4), which receive the mail items from the containers (1), and a control device, which also delivers the mail items from the containers (1) in accordance with the read distribution information controls the trays (4) in such a way that each shipment in a container (1) is delivered to the tray (4) assigned to this distribution information, if necessary in a predetermined sequence, the side openings of the containers (1) for loading are located inside the Ford loop and the transport means (7) of the material inputs within the Ford loop is arranged, transporting the mail items into the lateral openings of the containers (1) in a horizontally oriented semicircular conveying section (2).
2. Sortiereinrichtung nach Anspruch 1, wobei der Endabschnitt des Transportmittels (7) zusatzlich zum Schwenken für das Einschleusen so schwenkbar ist, daß sich zu dem Zeitpunkt, an dem die aktuell einzuschleusende Sendung ohne Verzögerung am Ende der Transportstrecke angelangt ist, das schwenkbare Ende innerhalb eines festgelegten Schwenkbe- reiches am leeren Behalter (1) befindet.2. Sorting device according to claim 1, wherein the end portion of the transport means (7) in addition to Swiveling for the infeed can be swiveled in such a way that at the point in time at which the consignment that is currently to be infeed arrives at the end of the transport route without delay, the swiveling end is within a defined swivel range on the empty container (1).
3. Sortiereinrichtung nach Anspruch 1 oder 2, wobei der Endabschnitt des Transportmittels (7) um den Mittelpunkt M des halbkreisförmigen, horizontal ausgerichteten Forderab- Schnittes (2) schwenkbar ist.3. Sorting device according to claim 1 or 2, wherein the end portion of the transport means (7) about the center point M of the semicircular, horizontally oriented cut section (2) is pivotable.
4. Sortiereinrichtung nach einem der Ansprüche 1 bis 3, wobei die Behalter (1) in Transportrichtung geneigt sind, die Sendungen am Schwenkpunkt M des Transportmittels (7) vertikal ausgerichtet sind und am Ende des Transportmittels (7) die Orientierung der Sendungen der Orientierung der Behalter (1) annähernd entspricht.4. Sorting device according to one of claims 1 to 3, wherein the container (1) are inclined in the transport direction, the mail items at the pivot point M of the transport means (7) are aligned vertically and at the end of the transport means (7) the orientation of the mail items of the orientation of the Container (1) approximately corresponds.
5. Sortiereinrichtung nach einem der Ansprüche 1 bis 4, wobei sich die Vereinzelungseinrichtung (6) außerhalb der Forderschleife und unterhalb der Behalterebene befindet und das Transportmittel (7) ansteigend so ins Innere der Forderschleife gefuhrt ist, daß es in Hohe der Behalter (1) endet.5. Sorting device according to one of claims 1 to 4, wherein the separating device (6) is located outside the Ford loop and below the container level and the transport means (7) is guided so as to rise inside the Ford loop so that it is at the height of the container (1) ends.
6. Sortiereinrichtung nach einem der Ansprüche 1 bis 5, wobei das Transportmittel (7) als Deckbandsystem ausgeführt ist und die rucklaufenden Bander (9) fuhrende Rollen (10) möglichst dicht am Schwenkpunkt M angeordnet sind.6. Sorting device according to one of claims 1 to 5, wherein the transport means (7) is designed as a shroud system and the returning belt (9) leading rollers (10) are arranged as close as possible to the pivot point M.
7. Sortiereinrichtung nach Anspruch 1, wobei die Ablagen (4) zwei annähernd gleich große Gruppen unterteilt sind und bei nacheinander ablaufenden Sortierlaufen die Sendungen unterschiedlicher Adreßbereiche abwechselnd nur in eine der beiden Ablagegruppen sortiert werden.7. Sorting device according to claim 1, wherein the trays (4) are divided into two groups of approximately the same size and, in the case of sequential sorting runs, the mail items of different address areas are sorted alternately into only one of the two storage groups.
8. Sortiereinrichtung nach Anspruch 7, wobei die Sendungen des aktuellen Adreßbereiches schon in leere um- laufende Behälter (1) ladbar sind, wenn sich noch Sendungen des vorhergehenden Adreßbereiches in Behältern (1) befinden.8. Sorting device according to claim 7, wherein the mailings of the current address area are already converted into empty Running containers (1) can be loaded if there are still consignments of the previous address area in containers (1).
9. Sortiereinrichtung nach Anspruch 1, wobei entlang des feststehenden Teils des Transportmittels (7) der Stoffeingabe die Leseeinrichtung und bei Bedarf weitere Baugruppen, wie z.B. Meßeinrichtungen, Drucker, angeordnet sind. 9. Sorting device according to claim 1, wherein along the fixed part of the transport means (7) of the substance input, the reading device and, if necessary, further assemblies, such as. Measuring devices, printers are arranged.
EP00956085A 1999-09-10 2000-07-19 Sorting device for flat mail items Withdrawn EP1220720A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19943361A DE19943361C1 (en) 1999-09-10 1999-09-10 Sorting apparatus for flat packages, e.g. letters, post cards, packets
DE19943361 1999-09-10
PCT/DE2000/002352 WO2001019536A1 (en) 1999-09-10 2000-07-19 Sorting device for flat mail items

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