CN115034607A - Method and device for sorting material box - Google Patents
Method and device for sorting material box Download PDFInfo
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a method and a device for sorting a material box, and relates to the technical field of storage. One embodiment of the method comprises: receiving a message that a bin sent by the conveyor line system has arrived at the first workstation; judging whether the bin has picking tasks of other workstations or not; wherein the first workstation and the other workstations belong to the same workstation group; if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system; and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system. This embodiment can solve the technical problem that the carrying cost and the time cost are too high.
Description
Technical Field
The invention relates to the technical field of storage, in particular to a method and a device for sorting a material box.
Background
When the workbins circulate on the conveying line, if the workbins arrive at the working station, the scheduling system cannot continue to add the picking tasks to the workbins, the picking tasks are added to the workbins again in the process of returning to the warehouse and carrying after the completion of the picking of the workbins, the picking tasks need to be issued again to the working station at the moment, and then the workbins are issued to the conveying line system by the working station.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
1) the picking task can be added again in the process of returning to the warehouse and carrying after the picking of the bins is finished, so that the time consumption for locating the bin stock is increased;
2) after the picking task is added again in the process of returning to the warehouse and carrying, the warehouse-out task needs to be issued again by the scheduling system, the flow stages are more, and the same material box is returned to the warehouse and transferred out of the warehouse for multiple times, so that the carrying cost and the time cost are overhigh.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for sorting bins, so as to solve the technical problem of high transportation cost and time cost.
To achieve the above object, according to an aspect of an embodiment of the present invention, there is provided a bin sorting method including:
receiving a message that a bin sent by the conveyor line system has arrived at the first workstation;
judging whether the bin has picking tasks of other workstations or not; wherein the first workstation and the other workstations belong to the same workstation group;
if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system;
and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
Optionally, the first station is located on the same closed loop conveyor line as the other stations.
Optionally, the bin allows picking duties of any one workstation on the closed loop conveyor line to be appended before the bin reaches the last workstation on the closed loop conveyor line.
Optionally, sending the transfer task of transferring the bin to the other work station to the conveyor line system includes:
screening out a second workstation with the minimum distance from the first workstation according to the distance between the first workstation and each workstation in the other workstations;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, sending the transfer task of transferring the bin to the other work station to the conveyor line system includes:
selecting a second workstation adjacent to the first workstation from the other workstations based on a clockwise or counterclockwise direction;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, sending a transfer task to the conveyor line system to transfer the bin to the second workstation comprises:
sorting all workstations needing bin stock on the closed-loop conveying line by taking the second workstation as a head so as to obtain a workstation list;
and according to the sequence of each workstation in the workstation list, sequentially trying to occupy a buffer bit of a second workstation until the occupation is successful, and sending a carrying task for carrying the workbin to the second workstation to the conveying line system.
Optionally, performing a picking task of the first workstation on the bin, sending a handling task to the conveyor line system to carry the bin back to the warehouse, comprising:
judging whether the picking task quantity of the bin is smaller than a stock pre-completion threshold value or not;
if so, modifying the state of the bin into ex-warehouse pre-completion, executing a picking task of the first workstation on the bin, modifying the state of the bin into ex-warehouse transportation, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system;
and if not, executing the picking task of the first workstation on the bin, modifying the state of the bin into the process of returning to the warehouse for carrying, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
Optionally, before receiving the message that the bin sent by the conveyor line system has arrived at the first work station, the method further includes:
receiving a delivery task of the material box issued by the intelligent scheduling system;
and sending a carrying task for carrying the workbin to the first work station to the conveying line system.
In addition, according to another aspect of an embodiment of the present invention, there is provided a bin sorting apparatus including:
the receiving module is used for receiving a message sent by the conveying line system that the bin reaches the first work station;
the processing module is used for judging whether the bin has picking tasks of other workstations; wherein the first workstation and the other workstations belong to the same workstation group; if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system; and if not, executing the picking task of the first workstation on the workbox, and sending a carrying task for carrying the workbox back to the warehouse to the conveying line system.
Optionally, the first station is located on the same closed loop conveyor line as the other stations.
Optionally, the bin allows picking duties of any one workstation on the closed loop conveyor line to be appended before the bin reaches the last workstation on the closed loop conveyor line.
Optionally, the processing module is further configured to:
screening out a second workstation with the minimum distance from the first workstation according to the distance between the first workstation and each workstation in the other workstations;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, the processing module is further configured to:
selecting a second workstation adjacent to the first workstation from the other workstations based on a clockwise or counterclockwise direction;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, the processing module is further configured to:
sorting all workstations needing bin stock on the closed-loop conveying line by taking the second workstation as a head so as to obtain a workstation list;
and according to the sequence of each workstation in the workstation list, sequentially trying to occupy a buffer bit of a second workstation until the occupation is successful, and sending a carrying task for carrying the workbin to the second workstation to the conveying line system.
Optionally, the processing module is further configured to:
judging whether the picking task quantity of the bin is smaller than a stock pre-completion threshold value or not;
if so, modifying the state of the bin into ex-warehouse pre-completion, executing a picking task of the first workstation on the bin, modifying the state of the bin into ex-warehouse transportation, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system;
and if not, executing the picking task of the first workstation on the bin, modifying the state of the bin into the process of returning to the warehouse for carrying, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
Optionally, the processing module is further configured to:
receiving a delivery task of a material box issued by an intelligent scheduling system before the material box sent by a conveying line system reaches a first workstation;
and sending a carrying task for carrying the workbin to the first work station to the conveying line system.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including:
one or more processors;
a storage device for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the method of any of the embodiments described above.
According to another aspect of the embodiments of the present invention, there is also provided a computer readable medium, on which a computer program is stored, which when executed by a processor implements the method of any of the above embodiments.
According to another aspect of the embodiments of the present invention, there is also provided a computer program product, including a computer program, which when executed by a processor, implements the method of any of the above embodiments.
One embodiment of the above invention has the following advantages or benefits: the technical problem of high carrying cost and time cost in the prior art is solved because the technical means of carrying out the picking task of the first work station on the bin and then sending the carrying task of carrying the bin to other work stations to the conveying line system is adopted if the bin has the picking tasks of other work stations of the same work station group. The embodiment of the invention divides a plurality of work stations which are originally independent and not related to each other on the conveying line into the same work station group, improves the efficiency of scheduling, delivering and carrying out the work by delaying the time for changing the state of the workbin into the pre-finished time of delivering the workbin and reducing the times of returning to the warehouse and transferring out of the warehouse, and reduces the times of sending tasks back to the warehouse by the work stations to reduce the circulation link of storing the workbin.
Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. Wherein:
FIG. 1 is a schematic diagram of the main flow of a bin picking method according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a ring conveyor line according to an embodiment of the invention;
FIG. 3 is a schematic view of a main flow of a bin picking method according to a reference embodiment of the present invention;
FIG. 4 is a schematic illustration of a workstation list according to an embodiment of the present invention;
FIG. 5 is a schematic view of the main flow of a bin picking method according to another referential embodiment of the present invention;
FIG. 6 is a schematic diagram of the main modules of a bin picking apparatus according to an embodiment of the invention;
FIG. 7 is an exemplary system architecture diagram in which embodiments of the present invention may be employed;
fig. 8 is a schematic structural diagram of a computer system suitable for implementing a terminal device or a server according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Fig. 1 is a schematic diagram of the main flow of a bin picking method according to an embodiment of the invention. As an embodiment of the present invention, as shown in fig. 1, the bin picking method is applied to a workstation system, and may include:
and 101, receiving a message that the bin sent by the conveying line system reaches the first work station.
After receiving the work task of conveying the workbin by the conveying line system, the workbin is conveyed to the destination (namely, the first work station) through the conveying line, and then the information that the workbin reaches the first work station is sent to the work station system, and the work station system receives the information that the workbin sent by the conveying line system reaches the first work station.
It should be noted that the work station in the embodiment of the present invention refers to a goods-to-person picking work station, i.e. a work station for picking goods by manual operation, which is called picking work station or delivery work station for short.
Optionally, step 101 is preceded by: receiving a delivery task of the material box issued by the intelligent scheduling system; and sending a carrying task for carrying the workbin to the first work station to the conveying line system. In the embodiment of the invention, the intelligent production scheduling system firstly positions the stock of the bin according to the ex-warehouse order, modifies the state of the bin into ex-warehouse transportation, then issues the ex-warehouse task of the bin to the workstation system, the workstation system receives the ex-warehouse task of the bin and forwards the ex-warehouse task to the conveying line system, after the conveying line system receives the ex-warehouse task of the bin, the bin is conveyed to the first workstation through the conveying line, and then the information that the bin has arrived is sent to the workstation system.
Step 102, judging whether the bin has picking tasks of other workstations; wherein the first workstation and the other workstations belong to the same workstation group; if yes, go to step 103; if not, go to step 104.
When the bin arrives at the first workstation, the workstation system inquires the picking tasks of the bin, so that whether the bin has the picking tasks of other workstations or not is judged according to the inquiry result, wherein the number of the other workstations can be one or more, and the other workstations and the first workstation belong to the same workstation group.
Optionally, the first workstation and the other workstations are located on the same closed loop conveying line to improve the carrying efficiency of the bins. The embodiment of the invention introduces the concept of the work station group, as shown in fig. 2, a plurality of originally independent and unrelated work stations on a closed loop conveying line (namely a work station which can rotate a circle on the conveying line, a work station A goes out of the work station A, and the work station A can go back to the work station A again after passing through other work stations such as B, C … … and the like) are divided into the same work station group, and all work stations under the same work station group can share a group of box placing ports/box taking ports.
And 103, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system.
If the bin has picking tasks of other workstations, the picking task of the first workstation is executed on the bin, and after the picking of the first workstation is completed, a conveying task for conveying the bin to a second workstation (any one of the other workstations) is sent to the conveying line system. After receiving the carrying task, the conveying line system carries the bin to the second workstation through the conveying line, then sends a message that the bin has arrived to the workstation system, and the workstation system receives the message that the bin has arrived to the second workstation, which is similar to the first workstation, and then executes step 102 and step 103 or executes step 103 and step 104, which are not described again.
Optionally, the bin allows picking duties of any one workstation on the closed loop conveyor line to be appended before the bin reaches the last workstation on the closed loop conveyor line. In the process of delivering a work bin out of the warehouse, before the work bin reaches the last work station of the delivery of the work bin, the intelligent scheduling system can randomly position the stock of the work bin additionally (namely, the picking task of the work station is added to the work bin), and the process only needs to carry out logic judgment inside the work station and does not need to execute circulation of returning to the warehouse- > delivering out of the warehouse, so that the efficiency of positioning and adding the work bin is greatly improved, the times of transferring the work bin back to the warehouse are reduced, the conveying and carrying distance of a conveying line in the single delivery process of the work bin is reduced, and the carrying cost is reduced.
Returning to the warehouse and transferring out of the warehouse: and in the process of returning the bins to the warehouse and carrying, the bins are intelligently arranged and positioned to the stock in the bins, and a new ex-warehouse task is assigned, namely the process of returning out or transferring in and out.
Optionally, sending the transfer task of transferring the bin to the other work station to the conveyor line system includes: screening out a second workstation with the minimum distance from the first workstation according to the distance between the first workstation and each workstation in the other workstations; and sending a carrying task for carrying the workbin to the second work station to the conveying line system. In order to improve the handling efficiency, the station closest to the first station may be selected from the other stations as the next station (i.e., the second station), and then a handling task is sent to the conveyor line system so that the conveyor line system can carry the bin to the second station through the conveyor line.
Optionally, sending the transfer task of transferring the bin to the other work station to the conveyor line system includes: selecting a second workstation adjacent to the first workstation from the other workstations based on a clockwise or counterclockwise direction; and sending a carrying task for carrying the workbin to the second work station to the conveying line system. In addition to the distance-to-nearest principle adopted in the above embodiment, the second workstation may also be selected based on a preset direction, and as shown in fig. 2, the next workstation may be selected as the second workstation based on a counterclockwise direction, and then the conveying task is sent to the conveyor line system, so that the conveyor line system conveys the bin to the second workstation through the conveyor line. Similarly, the next workstation may be selected as the second workstation based on the clockwise direction, which is not limited in this embodiment of the present invention.
And 104, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
If the bin has no picking tasks of other workstations, the picking task of the first workstation is executed on the bin, and after the picking of the first workstation is completed, a conveying task for conveying the bin back to the warehouse is sent to the conveying line system. And after receiving the carrying task, the conveying line system carries the workbin back to the warehouse through the conveying line.
Optionally, step 104 may include: judging whether the picking task quantity of the bin is smaller than a stock pre-completion threshold value or not; if so, modifying the state of the bin into ex-warehouse pre-completion, executing a picking task of the first workstation on the bin, modifying the state of the bin into ex-warehouse transportation, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system; and if not, executing the picking task of the first workstation on the bin, modifying the state of the bin into the process of returning to the warehouse for carrying, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
In embodiments of the invention, the number of picking tasks refers to the number of detail tasks of the bin that remain unsorted at the current time of the current workstation, and a detail can pick multiple items. A picking order is the N pieces of an item to be picked. If the bin arrives at the workstation with a plurality of picking tasks, the picking tasks may be performed once, with each picking task performing a picking operation. Example (c): after a 4-grid bin arrives at a workstation, each grid needs to pick a product, which indicates that the bin currently has 4 detailed picking tasks, and each picking task can pick N products. After the work station is reached by the bin, the picker can pick 4 times continuously, and pick the corresponding quantity of articles from different goods grids respectively.
Before the work station is used for conveying the bins from the storage position to the work station, the state of a single bin is in the process of being conveyed out of the storage position, and the intelligent production scheduling system can add a picking task to the bin. When the work station finishes picking, the work station sends the carrying task of the storage position to the conveying line system, the state of the storage bin is modified to be 'returning to the warehouse for carrying', and then the intelligent production scheduling system can reposition the bin stock and send the returning to the warehouse for transferring out of the warehouse. However, if a bin arrives at the workstation and the number of picking tasks for that bin is less than the inventory pre-completion threshold, the workstation modifies the status of that bin to be out of stock pre-completion, after which the intelligent production scheduling system may not continue to append picking tasks to that bin.
Generally, when 2 (the stock pre-completion threshold is 2, configurable) picking tasks are remained, the state of the bin is modified to be pre-completed during ex-warehouse transportation, the state of the bin before the pre-completion of ex-warehouse transportation is in the process of ex-warehouse transportation, in order to improve the positioning efficiency of the articles in the bin, the bin allows additional picking tasks during transportation, for example, a bin initially positions a picking task, and if the intelligent production scheduling system calculates that other orders also need the articles in the bin, the additional picking task of the bin is issued to the workstation. However, if the bin status is not modified to be pre-completed when the bin arrives at the workstation, the intelligent scheduling system will always be positioned additionally to the stock of the bin, which may cause a phenomenon: the order picking personnel finishes the order picking task of the bin, leaves the bin and is positioned to issue a new order picking task, but the bin leaves at the moment and cannot pick on site. Therefore, when the number of the picking tasks of the bin is less than the stock pre-completion threshold value, the state of the bin is changed into the stock-out pre-completion state, so that the intelligent scheduling system can be prevented from continuously positioning the stock of the bin, and the bin is prevented from receiving a new picking task when the subsequent picking is completed.
According to the various embodiments described above, it can be seen that the embodiments of the present invention solve the technical problem of excessive transportation cost and time cost in the prior art by performing the picking task of the first workstation on the bin and then sending the transportation task of transporting the bin to the other workstation to the transportation line system if the bin has picking tasks of other workstations of the same workstation group. The embodiment of the invention divides a plurality of work stations which are originally independent and not related to each other on the conveying line into the same work station group, improves the efficiency of scheduling, delivering and carrying out the work by delaying the time for changing the state of the workbin into the pre-finished time of delivering the workbin and reducing the times of returning to the warehouse and transferring out of the warehouse, and reduces the times of sending tasks back to the warehouse by the work stations to reduce the circulation link of storing the workbin.
Fig. 3 is a schematic view of a main flow of a bin picking method according to a referential embodiment of the present invention. As still another embodiment of the present invention, as shown in fig. 3, the bin picking method may include:
and step 301, receiving an ex-warehouse task of a material box issued by the intelligent scheduling system.
The intelligent production scheduling system firstly positions the stock of the bin according to the delivery order, modifies the state of the bin into delivery and transportation, and then issues the delivery task of the bin to the workstation system.
Step 302, sending a conveying task for conveying the bin to the first workstation to a conveying line system.
And after receiving the ex-warehouse task of the material box, the workstation system sends a carrying task for carrying the material box to the first workstation to the conveying line system.
Step 303 receives a message from the delivery line system that the bin has arrived at the first station.
After receiving the conveying task of the bin, the conveyor line system conveys the bin to the first workstation through the conveyor line and then sends a message to the workstation system that the bin has arrived.
Step 304, judging whether the bin has picking tasks of other workstations; wherein the first workstation and the other workstations belong to the same workstation group, and the first workstation and the other workstations are located on the same closed loop conveyor line.
When the bin reaches the first work station, the work station system inquires the picking tasks of the bin, so that whether the bin has the picking tasks of other work stations or not is judged according to the inquiry result, wherein the number of the other work stations can be one or more, the other work stations and the first work station belong to the same work station group, and the first work station and the other work stations are located on the same closed-loop conveying line.
As shown in fig. 2, station group GRP001 contains A, B, C, D, E, F for 6 stations, and stations a … F are ranked 1, 2, 3, 4, 5, and 6 respectively (the station ranking attribute determines which station the bin will preferentially go to if there are picking tasks for other stations after the current station has finished picking.
The embodiment of the invention logically connects a plurality of originally independent workstations on the annular conveying line in series to form a workstation group, and as long as the bin is selected at any workstation of the annular conveying line, the intelligent production scheduling system can randomly position the bin stock and add the delivery task.
For example, a work bin with the number 001 on the storage position is positioned and taken out of the warehouse, the intelligent production scheduling system issues tasks to the work station system, the work station system issues the tasks to the conveying line system, the trolley is responsible for conveying the work bin to the bin opening on the loop line from the corresponding storage position, and after the work bin is put into the bin opening, the conveying line starts to execute conveying tasks to the first work station.
The first workstation can be any one workstation, taking the workstation D as an example, the intelligent production scheduling system can locate the stock of the storage bin and add the ex-warehouse task in the process of conveying the storage bin to the workstation D from the bin opening, but the intelligent production scheduling system does not need to add the picking task of the workstation D, and the production scheduling can add the storage bin to the ex-warehouse task of any one workstation because A … F belongs to a group.
Step 305, performing a picking task of the first workstation on the bin.
When a bin arrives at workstation D, workstation D calculates by querying the database whether there are picking tasks for other workstations in addition to the picking task at workstation D.
If present: the current state of the bin is in the process of delivery, the state of the bin does not need to be modified to be pre-finished, and the bin is directly sorted. And in the picking process, the intelligent production scheduling system can continue to add the picking tasks of the bin.
Step 306, screening out a second workstation adjacent to the first workstation from the other workstations on the basis of the anticlockwise direction; and sequencing all the workstations needing the bin stock on the closed-loop conveying line by taking the second workstation as a head so as to obtain a workstation list.
After the task sorting of the bin at the workstation D is completed, the workstation system judges whether a sorting task of the bin of another workstation exists, and at this time, a circular sorting flow of the bin 001 is triggered. All the tasks to be picked for work stations other than work station D are queried 001 for bins, resulting in 5 more work stations in the current group (i.e., the group in which work station D is located) requiring inventory of the bin, respectively work station A, B, C, E, F.
As shown in fig. 2, the work station E is selected from the 5 work stations in the counterclockwise direction as the next work station (i.e. the second work station), and the work stations E are used as the head and the tail, and the 5 work stations in the counterclockwise direction are sorted to obtain the list of information work stations: E. f, A, B, C, as shown in fig. 4.
And 307, sequentially trying to occupy a buffer bit of a second workstation according to the sequence of each workstation in the workstation list until the buffer bit is successfully occupied, and sending a carrying task for carrying the workbin to the second workstation to the conveying line system.
As shown in fig. 4, the workstation system attempts to occupy the cache bits of the destination workstation in sequence in order of E, F, A, B, C. And if the cache bit of the workstation E is successfully occupied, sending the work bin to the carrying task of the workstation E to the conveying line system, and directly carrying out the task of carrying the work bin to the workstation E by the conveying line. If the cache bit of workstation E fails to be occupied, the cache bit of workstation F continues to be occupied, if workstation F does not have an available cache bit, the cache bit of workstation A, B, C is tried to be occupied in turn, and as long as the cache bit of any workstation is occupied successfully, the transport task of the bin destined to the destination workstation is sent to the conveyor line system. If the cache positions occupying all the remaining workstations fail, the work bin is popped from the work station D and issued to the transfer line system for a non-destination-point circulation task (the destination work station to which the work bin is going has no available cache position, but cannot occupy the position of the current work station, so the work bin is popped and circulates on the loop), the work station system continues to circularly occupy the cache positions of the work stations, and the work station system issues the transfer task of the transfer line to a work station again until the cache positions are successfully occupied.
If the sorting tasks of the bins at all the workstations are completed, the workstation system sends the bin returning task of the bins 001 to the conveyor line system, and the conveyor line carries the bins to be returned to the warehouse.
And 308, executing the picking task of the first work station on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
If the bin has no picking tasks of other workstations, the picking task of the first workstation is executed on the bin, and after the picking of the first workstation is completed, a conveying task for conveying the bin back to the warehouse is sent to the conveying line system. And after receiving the carrying task, the conveying line system conveys the bin back to the warehouse through the conveying line.
Specifically, judging whether the picking task number of the bin is smaller than an inventory pre-completion threshold; if so, modifying the state of the bin into ex-warehouse pre-completion, executing a picking task of the first workstation on the bin, modifying the state of the bin into ex-warehouse transportation, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system; and if not, executing the picking task of the first workstation on the workbin, modifying the state of the workbin into the warehouse returning and conveying process, and sending the conveying task for conveying the workbin to the warehouse returning to the conveying line system.
In addition, in one exemplary embodiment of the present invention, the detailed description of the bin picking method is described in detail above, and therefore the repeated description is not repeated here.
Fig. 5 is a schematic view of a main flow of a bin picking method according to another referential embodiment of the present invention. As another embodiment of the present invention, as shown in fig. 5, the bin picking method may include:
the intelligent production scheduling system firstly positions the stock of the material box according to the ex-warehouse order, modifies the state of the material box into ex-warehouse transportation, and then issues the ex-warehouse task of the material box to the workstation system. And after receiving the delivery task of the material box, the workstation system sends a carrying task for carrying the material box to the first workstation to the conveying line system. After receiving the transfer task of the bin, the conveyor line system transfers the bin to the first workstation via the conveyor line and then sends a message to the workstation system that the bin has reached the first workstation.
After receiving the information that the bin reaches the first workstation, the workstation system judges whether the bin has picking tasks of other workstations; wherein the first workstation and the other workstations belong to the same workstation group.
If yes, the work station selects the bin, and after the selection is completed, the conveying line system sends a conveying task for conveying the bin to the next work station (namely any one of other work stations); after the conveying line system receives the conveying task, the material box is conveyed to the next work station, then the information that the material box arrives is sent to the work station system, the work station system receives the information that the material box arrives at the next work station, the follow-up flow is similar to that of the first work station, and repeated description is omitted.
If not, judging whether the picking task quantity of the bin is smaller than an inventory pre-completion threshold value; if so, modifying the state of the bin into ex-warehouse pre-completion, then selecting the bin at the first workstation, modifying the state of the bin into ex-warehouse transportation after the selection is completed, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system; and if not, the work station selects the work bin, the state of the work bin is changed into the process of returning to the warehouse for carrying after the selection is finished, and a carrying task for carrying the work bin back to the warehouse is sent to the conveying line system.
Before the work station delivers the work station with the bin, the intelligent scheduling system can add a picking task to the single bin when the single bin is in the delivery state. When the work station finishes picking, the work station sends the carrying task of the storage position to the conveying line system, the state of the storage bin is modified to be 'returning to the warehouse for carrying', and then the intelligent production scheduling system can reposition the bin stock and send the returning to the warehouse for transferring out of the warehouse. However, if a bin arrives at the workstation and the number of picking tasks for that bin is less than the inventory pre-completion threshold, the workstation modifies the status of that bin to be out of stock pre-completion, after which the intelligent production scheduling system may not continue to append picking tasks to that bin.
In addition, in another embodiment of the present invention, the detailed description of the bin sorting method is described in detail above, and therefore the repeated description is not repeated here.
FIG. 6 is a schematic diagram of the main modules of a bin picking apparatus according to an embodiment of the invention. As shown in fig. 6, the bin picking apparatus 600 includes a receiving module 601 and a processing module 602; the receiving module 601 is used for receiving a message that a bin sent by the conveyor line system reaches the first workstation; the processing module 602 is configured to determine whether the bin has a picking task of another workstation; wherein the first workstation and the other workstations belong to the same workstation group; if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system; and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
Optionally, the first station is located on the same closed loop conveyor line as the other stations.
Optionally, the bin allows picking duties of any one workstation on the closed loop conveyor line to be appended before the bin reaches the last workstation on the closed loop conveyor line.
Optionally, the processing module 602 is further configured to:
screening out a second workstation with the minimum distance from the first workstation according to the distance between the first workstation and each workstation in the other workstations;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, the processing module 602 is further configured to:
selecting a second workstation adjacent to the first workstation from the other workstations based on a clockwise or counterclockwise direction;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
Optionally, the processing module 602 is further configured to:
sorting all workstations needing bin stock on the closed-loop conveying line by taking the second workstation as a head so as to obtain a workstation list;
and according to the sequence of each workstation in the workstation list, sequentially trying to occupy a buffer bit of a second workstation until the occupation is successful, and sending a carrying task for carrying the workbin to the second workstation to the conveying line system.
Optionally, the processing module 602 is further configured to:
judging whether the picking task quantity of the bin is smaller than a stock pre-completion threshold value or not;
if yes, the state of the workbin is modified to be pre-finished when the workbin is delivered out of the warehouse, a picking task of the first workstation is executed on the workbin, the state of the workbin is modified to be in warehouse returning and carrying, and a carrying task for carrying the workbin to the warehouse is sent to the conveying line system;
and if not, executing the picking task of the first workstation on the workbin, modifying the state of the workbin into the warehouse returning and conveying process, and sending the conveying task for conveying the workbin to the warehouse returning to the conveying line system.
Optionally, the processing module 602 is further configured to:
receiving a delivery task of a material box issued by an intelligent scheduling system before the material box sent by a conveying line system reaches a first workstation;
and sending a carrying task for carrying the workbin to the first work station to the conveying line system.
It should be noted that the embodiment of the bin sorting device according to the present invention has been described in detail in the above bin sorting method, and therefore, the description thereof is not repeated here.
FIG. 7 illustrates an exemplary system architecture 700 for a bin picking method or bin picking apparatus to which embodiments of the present invention may be applied.
As shown in fig. 7, the system architecture 700 may include terminal devices 701, 702, 703, a network 704, and a server 705. The network 704 serves to provide a medium for communication links between the terminal devices 701, 702, 703 and the server 705. Network 704 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
A user may interact with a server 705 via a network 704 using terminal devices 701,702, 703 to receive or send messages or the like. The terminal devices 701, 702, 703 may have installed thereon various communication client applications, such as a shopping-like application, a web browser application, a search-like application, an instant messaging tool, a mailbox client, social platform software, etc. (by way of example only).
The terminal devices 701, 702, 703 may be various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, laptop portable computers, desktop computers, and the like.
The server 705 may be a server providing various services, such as a background management server (for example only) providing support for shopping websites browsed by users using the terminal devices 701, 702, 703. The background management server can analyze and process the received data such as the article information query request and feed back the processing result to the terminal equipment.
It should be noted that the bin picking method provided by the embodiment of the present invention is generally performed by the server 705, and accordingly, the bin picking apparatus is generally disposed in the server 705. The bin picking method provided by the embodiment of the invention can also be executed by the terminal devices 701, 702 and 703, and correspondingly, the bin picking device can be arranged in the terminal devices 701, 702 and 703.
It should be understood that the number of terminal devices, networks, and servers in fig. 7 are merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
Referring now to FIG. 8, shown is a block diagram of a computer system 800 suitable for use with a terminal device implementing an embodiment of the present invention. The terminal device shown in fig. 8 is only an example, and should not bring any limitation to the functions and the use range of the embodiment of the present invention.
As shown in fig. 8, a computer system 800 includes a Central Processing Unit (CPU)801 which can perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)802 or a program loaded from a storage section 808 into a Random Access Memory (RAM) 803. In the RAM803, various programs and data necessary for the operation of the system 800 are also stored. The CPU 801, ROM 802, and RAM803 are connected to each other via a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
The following components are connected to the I/O interface 805: an input portion 806 including a keyboard, a mouse, and the like; an output section 807 including a signal such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 808 including a hard disk and the like; and a communication section 809 including a network interface card such as a LAN card, a modem, or the like. The communication section 809 performs communication processing via a network such as the internet. A drive 810 is also connected to the I/O interface 805 as needed. A removable medium 811 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 810 as necessary, so that a computer program read out therefrom is mounted on the storage section 808 as necessary.
In particular, according to embodiments of the present disclosure, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program can be downloaded and installed from a network through the communication section 809 and/or installed from the removable medium 811. The computer program performs the above-described functions defined in the system of the present invention when executed by the Central Processing Unit (CPU) 801.
It should be noted that the computer readable medium shown in the present invention can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer programs according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The modules described in the embodiments of the present invention may be implemented by software or hardware. The described modules may also be provided in a processor, which may be described as: a processor includes a receiving module and a processing module, where the names of the modules do not in some way constitute a limitation on the modules themselves.
As another aspect, the present invention also provides a computer-readable medium that may be contained in the apparatus described in the above embodiments; or may be separate and not assembled into the device. The computer readable medium carries one or more programs which, when executed by a device, implement the method of: receiving a message that a bin sent by the conveyor line system has arrived at the first workstation; judging whether the bin has picking tasks of other workstations or not; wherein the first workstation and the other workstations belong to the same workstation group; if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system; and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
As another aspect, an embodiment of the present invention further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the method described in any of the above embodiments.
According to the technical scheme of the embodiment of the invention, the technical means that if the bin has picking tasks of other workstations of the same workstation group, the picking task of the first workstation is executed on the bin firstly, and then the carrying task for carrying the bin to other workstations is sent to the conveying line system is adopted, so that the technical problem that the carrying cost and the time cost are overhigh in the prior art is solved. The embodiment of the invention divides a plurality of work stations which are originally independent and not related to each other on the conveying line into the same work station group, improves the efficiency of scheduling, delivering and carrying out the work by delaying the time for changing the state of the workbin into the pre-finished time of delivering the workbin and reducing the times of returning to the warehouse and transferring out of the warehouse, and reduces the times of sending tasks back to the warehouse by the work stations to reduce the circulation link of storing the workbin.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A bin sorting method, comprising:
receiving a message that a bin sent by the conveyor line system has arrived at the first workstation;
judging whether the bin has picking tasks of other workstations or not; wherein the first workstation and the other workstations belong to the same workstation group;
if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system;
and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
2. The method of claim 1, wherein the first station is located on the same closed loop conveyor line as the other stations.
3. A method according to claim 2, wherein the bin allows a picking order of any one workstation on the closed loop conveyor line to be appended before the bin reaches the last workstation on the closed loop conveyor line.
4. The method of claim 1, wherein sending the transfer task to the conveyor line system to transfer the bin to the other work station comprises:
screening out a second workstation with the minimum distance from the first workstation according to the distance between the first workstation and each workstation in the other workstations;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
5. The method of claim 1, wherein sending a transfer task to the conveyor line system to transfer the bin to the other workstation comprises:
selecting a second workstation adjacent to the first workstation from the other workstations based on a clockwise or counterclockwise direction;
and sending a carrying task for carrying the workbin to the second work station to the conveying line system.
6. The method of claim 4 or 5, wherein sending the transfer task to the conveyor line system to transfer the bin to the second work station comprises:
sorting all workstations needing bin stock on the closed-loop conveying line by taking the second workstation as a head so as to obtain a workstation list;
and according to the sequence of each workstation in the workstation list, sequentially trying to occupy a buffer bit of a second workstation until the occupation is successful, and sending a carrying task for carrying the workbin to the second workstation to the conveying line system.
7. The method of claim 1, wherein performing a picking task of the first workstation on the bin, sending a transfer task to the conveyor line system to transfer the bin back to the warehouse, comprises:
judging whether the picking task quantity of the bin is smaller than a stock pre-completion threshold value or not;
if so, modifying the state of the bin into ex-warehouse pre-completion, executing a picking task of the first workstation on the bin, modifying the state of the bin into ex-warehouse transportation, and sending a transportation task for transporting the bin back to the warehouse to the conveyor line system;
and if not, executing the picking task of the first workstation on the bin, modifying the state of the bin into the process of returning to the warehouse for carrying, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
8. The method of claim 1, wherein prior to receiving the message from the delivery line system that the bin has arrived at the first workstation, further comprising:
receiving a delivery task of the material box issued by the intelligent scheduling system;
and sending a carrying task for carrying the workbin to the first work station to the conveying line system.
9. A bin sorting apparatus, comprising:
the receiving module is used for receiving a message sent by the conveying line system that the bin reaches the first work station;
the processing module is used for judging whether the workbin has picking tasks of other workstations; wherein the first workstation and the other workstations belong to the same workstation group; if yes, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin to other workstations to the conveying line system; and if not, executing the picking task of the first workstation on the bin, and sending a carrying task for carrying the bin back to the warehouse to the conveying line system.
10. An electronic device, comprising:
one or more processors;
a storage device for storing one or more programs,
the one or more programs, when executed by the one or more processors, implement the method of any of claims 1-8.
11. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-8.
12. A computer program product comprising a computer program, characterized in that the computer program realizes the method according to any of claims 1-8 when executed by a processor.
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