EP3765213A1 - Machine de tri avec un convoyeur a godets et une demultiplication des sorties de tri - Google Patents
Machine de tri avec un convoyeur a godets et une demultiplication des sorties de triInfo
- Publication number
- EP3765213A1 EP3765213A1 EP19717518.5A EP19717518A EP3765213A1 EP 3765213 A1 EP3765213 A1 EP 3765213A1 EP 19717518 A EP19717518 A EP 19717518A EP 3765213 A1 EP3765213 A1 EP 3765213A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sorting
- outlets
- conveyor
- control unit
- 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- Withdrawn
Links
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
-
- 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
- B07C3/008—Means for collecting objects, e.g. containers for sorted mail items
-
- 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
Definitions
- the field of the invention is that of postal sorting machines.
- the invention relates to a mail sorting machine with a bucket sorting conveyor which moves the buckets over sorting outlets to removable storage bins under the control of a control unit for sorting the goods.
- sorting machines have a sorting capacity which is determined by the number of sorting outlets present under the bucket conveyor, typically the number of storage bins aligned in the sorting outlets.
- Machines marketed to date can thus have up to 480 aligned sorting outlets under the bucket conveyor.
- Such a bucket conveyor sorting machine has a very large footprint, such as that described in WO-A-2009/081008.
- the idea underlying the invention is that if a current mail item is presented in the bucket conveyor while its destination address is not served by an available sorting outlet, then a manipulator robot is substituted automatically. the tray of a sorting outlet (which can be partially filled) by an empty tray and this sorting outlet is assigned to the destination address of this current mail item.
- the bin that has been removed from the sorting outlet is placed on the shelf shelf by the shuttle robot so that this bin (which may contain mail) can be placed in a sorting outlet again. during the sort process if necessary by substitution with another sort output bin.
- the invention thus relates to a mail sorting machine with a bucket sorting conveyor which moves the buckets over sorting outlets to removable storage bins under the control of a control unit for sorting the mail items in the storage bins according to a sorting plan which associates destination addresses of the mail items respectively to said sorting outlets, the control unit being able to detect that a mail item having a certain destination address can not be sorted in a sorting outlet available for this destination address, characterized in that the machine further comprises a manipulator robot able to move along the outputs sorting and carrying out a tray replacement, and in that the control unit is arranged to, in response to said detection, identify among the sorting outlets a sorting outlet and control the manipulator robot to replace the tray.
- said sorting output by an empty tray (or already containing mail with the same destination address), the tray of this sorting outlet being placed on the shelf by the manipulator robot, and at the same time update in the sorting plan the association between said certain destination address and said certain sorting output.
- This arrangement helps to increase the separation capacity of the bucket conveyor sorting machine by reducing the sorting outlets. According to the invention, it is possible to provide several robot manipulators that cross each other or not to carry out several substitutions of bins at the same time.
- the sorting machine according to the invention can still have the following features.
- It may include a temporary storage shelf bins that is disposed above the bucket conveyor and on which are placed the bins pending.
- the control unit may be arranged to select said sorting outlet tray from the sorting outlets according to a priority criterion based on the time of non-use of the sorting outlets or a criterion of weakness of use based on a criterion of Weakness of use based on the ratio between the number of mail items present in the conveyor for the bin in place in the sorting outlet and the number of mail items present in the conveyor for the waiting bin.
- It may comprise a conveyor of bins adapted to convey bins along the sorting outlets, said manipulator robot being furthermore arranged to supply the conveyor of bins in bins filled with mail items extracted from the sorting outlets or placed on hold on shelf.
- FIG 1 shows very schematically the machine according to the invention.
- Figure 2 illustrates the control of the manipulator robot.
- Figure 3 illustrates a correspondence table of the sorting plan.
- Figure 4 illustrates a flat mail item with a destination address.
- FIG. 1 very schematically shows in side view a machine for sorting mail items according to the invention which comprises a bucket conveyor 1 fed with mailpieces by a feed inlet 2, here an article per bucket.
- the mail items are referred to as A and the buckets of the bucket conveyor are designated 3.
- the buckets 1 of the conveyor move here in a closed loop in the direction indicated by the arrow D.
- the feed inlet 2 is able to identify or recognize the destination address of each mailpiece A loaded in a bucket 3 of the conveyor 1, for example optically as is well known.
- the control unit 4 of the machine based on optical recognition of the destination address Ad, for example illustrated in FIG. 4 for a flat mail article A, is able to trigger the opening of the bucket loaded with this item when it passes over the sort output bin which is the sorting output associated in the sorting plan to the destination address Ad of the mail item.
- FIG 1 there is illustrated a series of removable storage bins 5 aligned under the bucket conveyor 3 which constitute as sorting output S1, S2, ..., Sn to separate the mail items according to their destination address .
- the sorting outputs S1, S2, .... Sn are in correspondence here with sorting data A1, A2 ... An which are representative of groups of destination addresses. different, the distribution being a function of the desired sorting plan.
- the machine can for example have a separation capacity on 480 active sorting outlets which consist of as many storage bins 5 aligned under the bucket conveyor 1.
- this separation capacity is increased without increasing the footprint of the machine, thanks to a container manipulator robot indicated by the reference R in FIG. 1 which is able to substitute in a sorting outlet a tray partially filled with mail items by an empty bin (or already containing mail with the same destination address), the substituted bin being put on shelf 8 while waiting to be handed over by the manipulator robot R in an output of sorting during the sorting process.
- the separation capacity of the machine is 600 sorting outlets.
- This manipulator robot R is designed, for example with a telescopic fork 6 mounted on a lift 7.
- the manipulator robot R is arranged to move (by rolling or sliding for example) along the sorting outlets S1, S2, etc., under the control of the control unit 4 so as to position itself in front of a certain tray 5 of a sorting outlet chosen by the control unit 4.
- the choice of the sorting output by the control unit 4 can be made according to a priority criterion based on the time of non-use of this sorting output, that is to say that the control unit 4 chooses the output sorting which is the least busy among active sorting outlets.
- the occupancy rate can be measured by counting for example the number of mail items stored in each sort output bin.
- control unit 4 is arranged to detect (block 20 in FIG. 2), for example in the supply inlet 2, a current mail item Ac which is presented to the loading in a bucket 3 has a destination address Ad which is not served by an available sorting outlet (sorting output present in the table T1) of the machine.
- control unit 4 determines at 21, the most passive sorting output in which must be substituted an empty tray.
- control unit 4 controls the movement of the manipulator robot 3 to position it facing this passive sorting outlet, for example the sorting outlet S10 in FIG. 1.
- step 23 the manipulator robot performs the tray replacement: it extracts the tray 5 partially filled here in the output S10 and raises to the height of the shelf 8 to deposit it on.
- the on-shelf bin remains waiting to be returned to an active sorting outlet or to be evacuated at the end of the sorting process.
- the manipulator robot under the control of the control unit 4, fetch an empty container (or already containing mail with the same destination address as the current mail) which can be waiting on the shelf 8 as the tray 5A and comes to place this tray 5A in the sorting outlet S10.
- the control unit updates the sorting plan, namely a reallocation of correspondence in the table T1 by matching the sorting output S10 provided with of the bin with the destination address Ad of the current mail item Ac as illustrated in FIG.
- control unit 4 maintains in memory a spatial position record of the tray A10 placed on the shelf so as to allow its subsequent automatic recovery by the manipulator robot R.
- the shelf 8 is here a horizontal stage extending along the entire alignment of the sorting outlets. A specific length segment of this shelf can be reserved for the storage of empty bins.
- Bins partially filled with shelf-mounted mail items may also be placed on a specific length segment of that shelf.
- a bin put on shelf can be put back into a sorting outlet, and thus the bin of this sorting outlet is put on shelf, if a mail piece needs to be sorted.
- the sorting machine may comprise a conveyor of bins which serves to evacuate the bins filled with mail items either to an output of the sorting machine or to the feed inlet for recirculation of mail items. in a new sorting pass.
- the conveyor of bins is indicated by the reference 9 in FIG.
- the manipulator robot R may advantageously be designed to, under the control of the control unit 4, replace an empty bin with a bin filled with mail items from a sorting outlet and put this bin full on the conveyor of bins. .
- It can also be designed to transfer to the tray conveyor 9 a partially filled tray of mail items which is placed on the shelf 8, in particular at the end of a sorting pass.
- manipulator robots R which move along the sorting outlets under the control of the control unit 4.
- these manipulator robots serve different segments of the sorting outlets.
- the invention extends to a sorting machine with several conveyors with superimposed buckets.
- the manipulator robot that replaces empty bins with full (or partially full) bins may also be used during the preparation phase of the machine as a system for loading empty bins in the sorting outlets, which contributes to reducing the time required for loading in empty containers of the machine.
Landscapes
- Sorting Of Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1852260A FR3078904B1 (fr) | 2018-03-16 | 2018-03-16 | Machine de tri avec un convoyeur a godets et une demultiplication des sorties de tri |
| PCT/FR2019/050463 WO2019175490A1 (fr) | 2018-03-16 | 2019-02-28 | Machine de tri avec un convoyeur a godets et une demultiplication des sorties de tri |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3765213A1 true EP3765213A1 (fr) | 2021-01-20 |
Family
ID=62597667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19717518.5A Withdrawn EP3765213A1 (fr) | 2018-03-16 | 2019-02-28 | Machine de tri avec un convoyeur a godets et une demultiplication des sorties de tri |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210094072A1 (fr) |
| EP (1) | EP3765213A1 (fr) |
| FR (1) | FR3078904B1 (fr) |
| WO (1) | WO2019175490A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377973A (zh) * | 2022-01-18 | 2022-04-22 | 太原科技大学 | 一种用于分拣和搬运的智能机器人通讯控制方法及其系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE524246T1 (de) * | 2007-12-13 | 2011-09-15 | Solystic | Verfahren zum sortieren von postsendungen mittels dynamischer zuweisung von ausgängen |
| FR3040900B1 (fr) * | 2015-09-15 | 2017-09-01 | Solystic | Equipement de tri postal avec des robots navettes qui transportent des bacs |
-
2018
- 2018-03-16 FR FR1852260A patent/FR3078904B1/fr not_active Expired - Fee Related
-
2019
- 2019-02-28 WO PCT/FR2019/050463 patent/WO2019175490A1/fr not_active Ceased
- 2019-02-28 EP EP19717518.5A patent/EP3765213A1/fr not_active Withdrawn
- 2019-02-28 US US16/465,186 patent/US20210094072A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20210094072A1 (en) | 2021-04-01 |
| FR3078904A1 (fr) | 2019-09-20 |
| WO2019175490A1 (fr) | 2019-09-19 |
| FR3078904B1 (fr) | 2020-02-21 |
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Legal Events
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18D | Application deemed to be withdrawn |
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