WO2020151890A1 - Procédé et installation de tri servant à trier des articles à trier et munie d'aiguillages de transfert activables par article à trier - Google Patents

Procédé et installation de tri servant à trier des articles à trier et munie d'aiguillages de transfert activables par article à trier Download PDF

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Publication number
WO2020151890A1
WO2020151890A1 PCT/EP2019/086208 EP2019086208W WO2020151890A1 WO 2020151890 A1 WO2020151890 A1 WO 2020151890A1 EP 2019086208 W EP2019086208 W EP 2019086208W WO 2020151890 A1 WO2020151890 A1 WO 2020151890A1
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WO
WIPO (PCT)
Prior art keywords
sorting
destination
sorted
input
items
Prior art date
Application number
PCT/EP2019/086208
Other languages
German (de)
English (en)
Inventor
Carsten Aschpurwis
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2020151890A1 publication Critical patent/WO2020151890A1/fr

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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

Definitions

  • the invention relates to a method and a sorting system for sorting sorting items.
  • Post and parcel sorting systems in which letters and / or large letters or parcels are processed, are sold, for example, by Siemens Postal, Parcel & Airport Logistics GmbH and Solystic.
  • sorting items letters, parcels or consignments (hereinafter referred to as sorting items) are separated from a supply on a separating device (substance input), e.g. a stack, separated, transported by a conveyor system along a conveyor path and at several sorting exits, realized for example by sorting switches or cross belt sorters, the respective target locations, e.g. Stacking compartments of a mail sorting system.
  • a separating device e.g. a stack
  • variable target code is assigned to each target point for the sorting run by means of a sorting control in accordance with the sorting logic or in accordance with the sorting process.
  • a variable target code is also assigned to the sorting pieces, which are then sorted according to a target location.
  • destinations can also have the same destination code, for example destination addresses with a known high volume of mail.
  • the capacity of the target points is exhausted after a certain number of sorting items and the target point must be emptied or otherwise made available again. This can be done, for example, by changing the container (empty to full), but this always involves a certain amount of handling. During this emptying, the destination is therefore temporarily not there available to accommodate additional sorting items. The time period of this temporary failure can also depend on how many operating personnel are available in the sorting system and / or whether, for example, several target locations are full at the same time due to chance and can be emptied faster and sometimes less quickly by the available personnel.
  • Sorting pieces that are intended for such a destination are therefore guided along the sorting path and must be directed into a reject compartment at a designated destination.
  • Such sorting items have hereby blocked a place for a sorting item that can be effectively sorted into a destination, which is why the sorting system cannot achieve its highest possible sorting capacity.
  • a sorting system or the entire sorting center is essentially defined by its real sorting performance (OTP), which can also fix the throughput requirements for local management.
  • OTP real sorting performance
  • a second important parameter is the number of employees required.
  • HV high-volume
  • these estimates are overlaid by the time-dependent occurrence of sorting items. For example, it may be the case that on average two destination points (end points) are sufficient for a HV sorting destination, but a temporary situation occurs that exceeds the end point performance (e.g. operator at the dock, automatic loading system) for a critical period.
  • the recording capacity may be limited or the storage capacity of the funding path equipped with the destination / end points is limited. If this storage capacity is now exhausted, the sorting pieces remain on the conveyor path and are recirculated or are excreted after passing through the conveyor path. In the former case, the sorting items do not have to be returned to the conveying path, but these recycled sorting items reduce the sorting performance. In the second case, the sorting feeder (task position, bullet device), which is usually only a subordinate problem, since the input performance usually exceeds the sorting performance.
  • this object is achieved according to the invention by a method for sorting sorting items with a sorting system, the following method steps being included: a) providing at least two input lines, each input line having an input device for the sorting items and a component for identifying the Sorting piece or its Be address and a discharge device;
  • a sorting piece abandoned at one of the input devices is discharged before it enters the conveying path if the capacity of the destination assigned to this sorting piece is at least temporarily below a predeterminable limit value or is temporarily completely denied.
  • a sorting system for sorting sorting items which comprises the following components: a) at least two input strands, each input strand having an input device for the sorting pieces and a component for identifying the sorting piece or its destination address and a discharge device;
  • the sorting control system being able to provide feedback for at least some of the sorting pieces
  • the sorting device for sorting items which is arranged between the input device and the merging unit in such a way that a sorting piece given on one of the at least two input devices is discharged before it enters the conveying path, if the capacity of the destination assigned to this sorting item is at least temporarily below a predeterminable limit value or temporarily completely denied.
  • the method and the sorting system enable an improved utilization of the sorting capacity of the sorting system, because sorting items whose target locations are temporarily unavailable do not even focus on the actual sorting route
  • the feedback for determining the absorption capacity can be generated by an active operating action at a target location. For example, operating personnel can report a destination as unavailable at the push of a button.
  • the sorting control receives this actuation signal and, in response to the non-readiness of this target point, initiates a corresponding setting of the discharge points, which leads to sorting items that have been abandoned for this non-ready target point being discharged before the actual sorting path is reached. Only when it is confirmed by a corresponding push of a button that the target location is now able to pick up sorting items again, are the sorting items recorded for this target location no longer being diverted, but instead are conveyed as intended along the sorting route to the corresponding destination location.
  • the feedback can be generated by the sorting control itself, by evaluating the information about the target codes of the number of sorting items and thereby determining how many sorting items have already been given up on the input device for a specific target location this destination will be at least temporarily exhausted.
  • sorting control can be carried out in advance or dynamically to determine when a destination will temporarily no longer be receivable due to the sorting pieces intended for this destination.
  • a number of 100 sorting pieces for a destination could be mentioned, which fill up a destination and thus make it necessary to change the container at the destination.
  • the time of the container change e.g.
  • the sorting control sets the diverter points for further sorting items for this destination, which is temporarily unavailable due to the container change, in the discharge direction, so that certain sorting items for this destination are temporarily no longer on the sorter animal route and thus do not place unnecessary strain on the sorting system.
  • Figure 1 is a schematic representation of a sorting system for the
  • Figure 2 is a schematic representation of the sorting system according to Figure 1 for sorting flat packages at a second sorting time
  • FIG. 3 shows a schematic representation of the sorting system according to FIG. 1 for the sorting of flat packages at an alternative second or third sorting point;
  • Figure 4 is a schematic representation of the sorting system according to Figure 1 for the sorting of flat packages at a later time of sorting.
  • Figure 1 shows schematically a sorting system 2 for sorting flat packages 4, 4a to 4d, here for example postal packages, such as letters, newspapers, magazines and the like.
  • the sorting system 2 described below and the sorting process carried out thereon can in principle also be used for the sorting of piece goods, such as small packages, parcels, pieces of luggage and the like.
  • the sorting system 2 here has two input strands 5a, 5b, each having an input device 6a, 6b for the flat sorting pieces 4, 4a to 4d, with which the sorting pieces 4, 4a to 4d are given by a height-adjustable stacking device 8 for the sorting .
  • Identification devices 7a, 7b are linked to the input devices 6a, 6b, which can be configured, for example, as bullet-in devices or the like, and can detect data identifying the respective sorting piece, such as the address or a code representing it. Subsequently, each input strand 5a, 5b each has a transfer switch 12a, 12b, with which a sorting piece before reaching a merging unit 9 for the two input strands 5a, 5b can be discharged from the sorting process into discharge container 22a, 22b without having been on an actual conveying path 10 provided for the sorting.
  • each of the target locations 24 to 30 has an adjustable status display 32 to 38.
  • These status indicators 32 to 38 are set here by a sorting control 40 and can also be operated by the operating personnel (not shown here).
  • a number of flat sorting pieces 4, which have been made available in a stack on the input device 6, have already been sorted into the various target locations 24 to 30.
  • the sorting controller 40 controls the sorting switches 14 to 20 in accordance with the address recorded for the sorting piece in the input device in such a way that the flat sorting piece 4 reaches the destination 24 to 30 assigned to this address in accordance with a sorting logic.
  • the sorting control 40 which has detected the sorting of the sixth sorting piece into the target point 24 in the sense of counting the assignment of sorting pieces to this target point 24, has set the status display 32 for this target point 24 to the value “0”, which by the slight hatching of the field with the "0" and the dashed light signal should be symbolized.
  • the personnel now know that the destination 24 must be emptied.
  • the two flat sorting pieces 4a and 4b still lying on top of a stack 8a in FIG. 1 had now been intended for the destination 24, which is, however, currently not available.
  • the sorting control 40 has now set the transfer switch 12a in such a way that these two sorting pieces 4a, 4b are discharged directly after their task before the start of the actual sorting path 10 and are thus sorted into the transfer container 22a. In the case of the sorting pieces 4a, 4b, these do not therefore further burden the sorting capacity of the sorting system 2.
  • the second input line 5b has entered here and, instead of the sorting pieces 4a and 4b, the sorting pieces 4c and 4d could pass on the conveyor path 10, whereupon one corresponding to the respective address Destination 26 and 28 have been equipped with these sorting pieces 4c and 4d. Due to the premature removal of the sorting animal pieces 4a and 4b, the inventive sorting system 2 did not result in a decrease in the sorting capacity, but rather the capacity of the sorting system 2 could be fully used.
  • this feedback was generated by the sorting control 40 itself by evaluating the information about the target codes of the sorting pieces 4 provided for the sorting process. In this way it could be determined, for example, that in this set of sorting pieces 4 at least after six have already been input to the input devices 6a and 6b for a correct destination 24 abandoned sorting pieces 4 the absorption of this destination 24 is at least temporarily exhausted and thus a change of state from "I" to "0" has to take place.
  • FIG. 3 can now show two alternatives. As the first of the two alternatives, FIG. 3 can show a third point in time at which the container of the target location 24 for emptying it is actually not present. The value “0” is therefore correctly displayed on the status display 32.
  • the state of the sorting system 2 can be shown at an alternative second point in time.
  • the status display 32 can indicate to the operating personnel optically and / or acoustically or also as a display on a visual display device of an operator station that the container of the destination 24 is to be emptied.
  • FIG. 4 now shows a snapshot of the sorting process of the sorting system 2 at an even later time.
  • the container of the destination 24 has been emptied and has been inserted into this destination 24 again.
  • the status display 32 has been changed again from the status "0" to the status "I", be it by manual intervention by the operating personnel on the status display 32 or by the detection of the presence of an empty container at the destination 24 in communication with sorting control 40.
  • the two rejected sorting pieces 4a and 4b were placed on top of the stack 8a or 8b again at the input device 6a or 6b and now in the sorting process is consequently conveyed to the destination 24.
  • the method and the system enable a better utilization of the sorting capacity of the sorting system 2, because sorting pieces 4a, 4b, the target locations 24 of which are temporarily unavailable, are not even put onto the sorting route 10, but immediately after the entry ( Acquisition of the data identifying the sorting piece) can be rejected from the sorting process.

Landscapes

  • Sorting Of Articles (AREA)

Abstract

L'invention concerne une installation de tri (2) servant à trier des articles à trier (4, 4a, 4b) ainsi qu'un procédé afférent, l'installation comprenant : a) au moins deux lignes d'entrée (5a, 5b), chaque ligne d'entrée (5a, 5b) présentant un dispositif d'entrée (6a, 6b) des articles à trier (4, 4a, 4b) et un composant (7a, 7b) servant à identifier l'article à trier (4, 4a, 4b) ou son adresse de destination, et un système de transfert (12a, 12b) ; b) une unité de regroupement (9) des deux ou plus de deux lignes d'entrée (5a, 5b) en un trajet de transport (10) qui présente des aiguillages de transport (14 à 20) et des emplacements de destination (24 à 30) agencés le long du trajet de transport (10) ; c) une commande de tri (40) qui est en mesure de connaître un identifiant d'adresse respectif pour un certain nombre d'articles à trier (4, 4a, 4b) et d'attribuer à l'identifiant d'adresse un code de destination pour un des emplacements de destination (24 à 30), et d'ajuster en conséquence les aiguillages de transport (14 à 20) pour un article à trier (4, 4a, 4b) reçu au niveau d'un des deux ou plus de deux dispositifs d'entrée (6a, 6b) pour qu'il atteigne l'emplacement de destination (24 à 30) prévu. La commande de tri (40) est par ailleurs en mesure d'évaluer, pour au moins une partie des articles à trier (4a, 4b), un message de réponse permettant de définir une capacité de réception d'au moins un des emplacements de destination (24), et de commander le dispositif de transfert (12a, 12b) respectivement agencé entre le dispositif d'introduction (6a, 6b) et l'unité de regroupement pour le transfert d'articles à trier (4a, 4b) de telle manière qu'un article à trier (4a, 4b) reçu au niveau d'un des deux ou plus de deux dispositifs d'entrée (6a, 6b) soit transféré avant son entrée sur le trajet de transport (10) si la capacité de réception de l'emplacement de destination (24) affecté audit article à trier (4a, 4b) est au moins temporairement inférieure à une valeur limite prédéfinissable ou temporairement entièrement refusée. Le procédé et le système permettent ainsi de mieux exploiter la capacité de tri de l'installation de tri du fait que les articles à trier dont l'emplacement de destination n'est temporairement pas disponible ne sont pas reçus sur la ligne de tri, mais sont transférés hors du processus de tri juste après l'entrée (détection des données identifiant l'article à trier).
PCT/EP2019/086208 2019-01-21 2019-12-19 Procédé et installation de tri servant à trier des articles à trier et munie d'aiguillages de transfert activables par article à trier WO2020151890A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19152841.3 2019-01-21
EP19152841.3A EP3682979B1 (fr) 2019-01-21 2019-01-21 Procédé et installation de tri permettant de trier des pièces à trier pourvue de séparateurs à décharge pouvant être commandés de manière à sortir les pièces

Publications (1)

Publication Number Publication Date
WO2020151890A1 true WO2020151890A1 (fr) 2020-07-30

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EP (1) EP3682979B1 (fr)
WO (1) WO2020151890A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114433502A (zh) * 2021-12-31 2022-05-06 深圳云天励飞技术股份有限公司 货品拣选方法、装置、电子设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060037888A1 (en) * 2004-08-16 2006-02-23 Lockheed Martin Corporation Cross circulation mail sorter stacker design with dual ported input, and method of operating the same
EP3028776A2 (fr) * 2014-12-04 2016-06-08 Kabushiki Kaisha Toshiba Appareil et procédé de traitement de distribution

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060037888A1 (en) * 2004-08-16 2006-02-23 Lockheed Martin Corporation Cross circulation mail sorter stacker design with dual ported input, and method of operating the same
EP3028776A2 (fr) * 2014-12-04 2016-06-08 Kabushiki Kaisha Toshiba Appareil et procédé de traitement de distribution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114433502A (zh) * 2021-12-31 2022-05-06 深圳云天励飞技术股份有限公司 货品拣选方法、装置、电子设备及存储介质

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EP3682979B1 (fr) 2022-08-24
EP3682979A1 (fr) 2020-07-22

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