CN111776580B - Picking station and picking method - Google Patents

Picking station and picking method Download PDF

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Publication number
CN111776580B
CN111776580B CN201910641456.9A CN201910641456A CN111776580B CN 111776580 B CN111776580 B CN 111776580B CN 201910641456 A CN201910641456 A CN 201910641456A CN 111776580 B CN111776580 B CN 111776580B
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picking
station
guided vehicle
instruction
conveying
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CN111776580A (en
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帅金雨
梁志康
曹董锋
朱燕飞
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Beijing Jingdong Qianshi Technology Co Ltd
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Beijing Jingdong Qianshi Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical
    • B65G1/137Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
    • B65G1/1373Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

The disclosure relates to a sorting workstation and a sorting method, and relates to the technical field of automatic warehousing. The picking workstation of the present disclosure includes: a first picking lane and a second picking lane; arranging a first picking station at the end of the first picking passage, arranging a second picking station at the end of the second picking passage, wherein the first picking passage intersects with the second picking passage and is communicated with the second picking passage through the first picking station; the first picking station is a first picking gate on a side adjacent to the second picking station in a direction along the second picking passage, and the second picking station is a second picking gate on a side adjacent to the first picking station in the direction along the second picking passage.

Description

Picking station and picking method
Technical Field
The disclosure relates to the technical field of automatic warehousing, in particular to a sorting workstation and a sorting method.
Background
At present, a rack in an AGV (Automated Guided Vehicle) warehouse has two AB surfaces, and under the condition that a rack surface to be picked does not face a picking station, the rack needs to be rotated by the Automated Guided Vehicle, and the rack surface is converted and then reaches a workstation for picking. Under the condition that the AB surfaces of the goods shelves have picking tasks, after one goods shelf surface is picked, the automatic guide vehicle is required to go to a face changing point to rotate the goods shelves, and the goods shelves return to a picking station again after the goods shelf surface is changed to pick another goods shelf surface.
Disclosure of Invention
The inventor finds that: the automatic noodle changing machine is limited by the performance of the AGVs, about 45 seconds to 1 minute is consumed for noodle changing every time, noodle changing points are close to the picking stations, other AGVs cannot be close to the picking stations in the noodle changing process for avoiding collision, and the quantity of the AGVs waiting near the picking stations and the work of other AGVs can be limited. And the probability that the sliding frame needs to be changed in the warehouse is higher according to the statistical data, so that the sorting efficiency and the continuity are influenced.
One technical problem to be solved by the present disclosure is: how to improve the sorting efficiency and consistency.
According to some embodiments of the present disclosure, there is provided a picking station comprising: a first picking lane and a second picking lane; arranging a first picking station at the end of the first picking passage, arranging a second picking station at the end of the second picking passage, wherein the first picking passage intersects with the second picking passage and is communicated with the second picking passage through the first picking station; the first picking station is a first picking gate on a side adjacent to the second picking station in a direction along the second picking passage, and the second picking station is a second picking gate on a side adjacent to the first picking station in the direction along the second picking passage.
In some embodiments, the first picking lane sets at least one delivery location and the second picking lane sets at least one delivery location; the first picking station is communicated with the conveying position on the second picking passage, and the conveying position communicated with the first picking station is separated from the second picking station by at least one conveying position.
In some embodiments, a first return warehouse outlet is provided on a side of the first picking station opposite to a side where the first picking operation port is located.
In some embodiments, the picking station further comprises a third picking lane; the third picking passage is parallel to and adjacent to the first picking passage; one end of the third picking channel is communicated with the first picking channel, and the other end of the third picking channel is communicated with the second picking channel.
In some embodiments, a conveying position is set in the first picking passage, a conveying position is set in the second picking passage, and a conveying position is set in the third picking passage; wherein an entrance is provided at least one delivery location in the first picking lane; providing an entrance at least one delivery location in the second picking lane; an entrance is provided at least one delivery location in the third picking lane.
In some embodiments, the transport position is provided with an identification component for identifying the corresponding transport position.
In some embodiments, the delivery station comprises: a cache bit and a pass bit; the conveying position adjacent to the second picking operation port in the second picking passage is a passing position; a conveying position adjacent to the first picking station in the third picking passage is a passing position; the remaining transport bits, except the pass bit, are buffer bits.
According to further embodiments of the present disclosure, there is provided a sorting system including: the picking station of any of the preceding embodiments; the controller is used for sending a first instruction to the automatic guided vehicle under the condition that the goods shelf surface to be selected is the first goods shelf surface, and controlling the automatic guided vehicle to enter a first selecting station for selecting; or sending a second instruction to the automatic guided vehicle under the condition that the goods shelf surface to be picked is a second goods shelf surface, and controlling the automatic guided vehicle to enter a second picking station for picking; or sending a third instruction to the automatic guided vehicle under the condition that the goods shelf surfaces to be picked are the first goods shelf surface and the second goods shelf surface, and controlling the automatic guided vehicle to sequentially enter the first picking station and the second picking station for picking.
In some embodiments, at least one of the first instruction, the second instruction, and the third instruction comprises: the identification information of the conveying positions and the corresponding direction information are used for the automatic guided vehicle to identify the corresponding conveying positions according to the identification information and to operate according to the corresponding direction information at the conveying positions.
In some embodiments, the controller is configured to determine a type of the transport bits, the type comprising: a cache bit and a pass bit. At least one of the first instruction, the second instruction, and the third instruction further comprises: the type of the conveying position is convenient for the automatic guided vehicle to wait at the buffer position and directly pass through at the passing position.
In some embodiments, the cache bits include a first cache bit and a second cache bit; the first instructions include: identification information of the first cache position so that the automatic guided vehicle can wait at the first cache position; the second instructions include: identification information of the second cache position so that the automatic guided vehicle can wait at the second cache position; the third instructions include: identification information of the first buffer location and identification information of the second buffer location such that the automated guided vehicle waits at the first buffer location before entering the first picking station and at the second buffer location before entering the second picking station.
In some embodiments, the controller is configured to determine the number of first buffer bits and the number of second buffer bits according to a ratio of the first shelf surface to the second shelf surface currently to be picked.
In some embodiments, the system further comprises: the automatic guide vehicle is used for receiving a first instruction, and the transportation goods shelf enters a first picking station for picking; or receiving a second instruction, and enabling the transportation shelf to enter a second picking station for picking; or receiving a third instruction, and enabling the transportation shelf to sequentially enter the first picking station and the second picking station for picking.
According to further embodiments of the present disclosure, there is provided a picking method based on the picking workstation of any of the preceding embodiments, including: determining the surface of a goods shelf to be picked; under the condition that the goods shelf surface to be selected is a first goods shelf surface, sending a first instruction to the automatic guided vehicle, and controlling the automatic guided vehicle to enter a first selecting station for selecting; or sending a second instruction to the automatic guided vehicle under the condition that the goods shelf surface to be picked is a second goods shelf surface, and controlling the automatic guided vehicle to enter a second picking station for picking; or sending a third instruction to the automatic guided vehicle under the condition that the goods shelf surfaces to be picked are the first goods shelf surface and the second goods shelf surface, and controlling the automatic guided vehicle to sequentially enter the first picking station and the second picking station for picking.
In some embodiments, at least one of the first instruction, the second instruction, and the third instruction comprises: the identification information of the conveying positions and the corresponding direction information are used for the automatic guided vehicle to identify the corresponding conveying positions according to the identification information and to operate according to the corresponding direction information at the conveying positions.
In some embodiments, the type of transport bits is determined, the type comprising: a cache bit and a pass bit; at least one of the first instruction, the second instruction, and the third instruction further comprises: the type of the conveying position is convenient for the automatic guided vehicle to wait at the buffer position and directly pass through at the passing position.
In some embodiments, the cache bits include a first cache bit and a second cache bit; the first instructions include: identification information of the first cache position so that the automatic guided vehicle can wait at the first cache position; the second instructions include: identification information of the second cache position so that the automatic guided vehicle can wait at the second cache position; the third instructions include: identification information of the first buffer location and identification information of the second buffer location such that the automated guided vehicle waits at the first buffer location before entering the first picking station and at the second buffer location before entering the second picking station.
In some embodiments, the number of first buffer bits and the number of second buffer bits are determined according to a ratio of a first rack face and a second rack face currently to be picked.
The utility model provides a novel select workstation, should select the workstation and select the passageway including first selecting the passageway and the second, two passageways are crossing and communicate, and first selecting passageway and second are selected the passageway end and are set up first selecting station and second respectively and select the station, and first selecting station and second select station are selected the operation mouth for first selecting and the operation mouth is selected to the second respectively along the second one side that the direction of selecting the passageway is relative. The operator may pick the side of the rack on the AGV facing the access opening at the first and second picking access openings. Based on this disclosed select workstation, under the condition that needs to select to last goods shelves face of AGV, only need AGV enter corresponding first select passageway or second to select passageway arrival corresponding select operation mouth select can. Under the condition that two goods shelves face were selected on the needs were to the AGV, select the back at first goods shelves face of operation mouth on to the AGV goods shelves, the AGV passes through the turn and reaches the second and selects the operation mouth, can select the operation mouth with another goods shelves face towards the second, carries out selecting of another goods shelves face. The utility model discloses a select workstation and do not need AGV to stop down and carry out goods shelves rotation, can make AGV can realize selecting to different goods shelves faces at the in-process that traveles that links up, has improved and has selected efficiency and continuity. In addition, the design of the first picking port and the second picking port can enable the same picking operator to work at the two picking ports, the picking passage does not need to be crossed, and the labor cost is reduced.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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 disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 illustrates a schematic structural view of a picking station of some embodiments of the present disclosure.
FIG. 2 shows a schematic block diagram of a picking station of further embodiments of the present disclosure.
Fig. 3 shows a schematic structural view of a picking work system of some embodiments of the present disclosure.
Fig. 4 illustrates a flow diagram of a sorting method of some embodiments of the present disclosure.
FIG. 5 illustrates a schematic diagram of a picking workstation in accordance with some application examples of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The present disclosure provides a novel picking station, described below in conjunction with FIG. 1.
FIG. 1 is a block diagram of some embodiments of a picking station of the present disclosure. As shown in fig. 1, the picking station 10 of this embodiment includes: a first picking lane 100 and a second picking lane 200.
A first picking station 110 is provided at the end of first picking lane 100 and a second picking station 210 is provided at the end of second picking lane 200, first picking lane 100 intersecting second picking lane 200 and communicating with second picking lane 200 through first picking station 110.
In some embodiments, first picking lane 100 and second picking lane 200 are perpendicular to each other, which may save floor space. The first picking aisle and the second picking aisle may be separated or marked by a separating device or a marker in the warehouse, for example, the aisles may be formed by placing a marker such as a warning line or a marking pattern on the ground, and the AGV may recognize the separating device and the marker.
The side of first picking station 110 adjacent to second picking station 210 in the direction along second picking tunnel 200 is first picking muzzle 111, and the side of second picking station 210 adjacent to first picking station 110 in the direction along second picking tunnel 200 is second picking muzzle 211. The picking operator may pick items on the first shelf surface at the first picking gate and pick items on the second shelf surface at the second picking gate.
The first picking station 110 may include: a first inlet, a first picking operation port 111, an outlet communicating with the second picking passage 200, and a first return outlet 112. A first returning outlet 112 may be provided on the side opposite to the side where the first picking operation port 111 is located. The AGV may enter the first picking station 110 through a first entrance, enter the second picking lane through an exit in communication with the second picking lane 200, exit the picking station for retrieval through a first retrieval exit 112.
The second picking station 210 may include: a second inlet, a second picking operation port 211 and a second ex-warehouse outlet 212. The AGV may enter the second picking station 210 at a second entrance and exit the picking station for retrieval at a second retrieval exit. The second return warehouse exit 212 is located on a side of the second picking station 210 that is perpendicular to the side where the second picking operation port 211 is located. The second inlet and the second picking operation port 211 are located on the same side.
As shown in fig. 1, in the case that the shelf surface to be picked includes a first shelf surface and a second shelf surface, the AGV reaches the first picking operation opening 111, finishes picking of the first shelf surface, continues to travel after one turn, reaches the second picking station 210, and turns at the second picking station 210 to direct the second shelf surface to the second picking operation opening 211. In the case where the shelf level to be picked is the first shelf level, the AGV may proceed directly to the first picking aisle 100 to the first picking station 110 for picking. In the event that the rack level to be picked is a second rack level, the AGV may proceed directly to the second picking lane 200 to the second picking station 210 for picking.
In some embodiments, first picking lane 100 sets at least one delivery location 120, and second picking lane 200 sets at least one delivery location 120; the first picking station 110 communicates with the delivery location 120 on the second picking gate 200, and the delivery location 120 communicating with the first picking station 110 is spaced from the second picking station 210 by a distance of at least one delivery location.
With the transfer level 120 of the first picking station 110 spaced from the second picking station 210 by a transfer level distance, the same picking operator may move the closest distance from the first picking station 110 to the second picking station 210, increasing picking efficiency.
Transport bit 120 may be configured as a buffer bit for AGV park waiting. Transport bits 120 may also be configured as pass bits for the AGV to pass directly through. I.e., the AGV cannot stop in the pass bit. The transport bay adjacent the second bay may be configured as a pass bay such that the AGV cannot stop at the transport bay for a picking operator to enter the second bay for picking.
In some embodiments, the transport bits 120 are provided with identification means for identifying the corresponding transport bit. The AGV may be provided with an identification feature for identifying the identification feature to determine the travel path.
An entrance may be provided at least one delivery location 120 in first picking lane 100; an entry is provided in at least one of the transfer locations 120 in the second picking aisle 200 for an AGV to enter the transfer location from the entry. In the practical application process, if each conveying position is only marked by the marking part, all directions of the conveying position can enter, and the entering direction of the AGV is controlled by the system.
The above embodiment provides a novel picking workstation, and this picking workstation includes that first picking channel and second pick the passageway, and two passageways intersect and communicate, and first picking channel and second are picked the passageway end and are set up first picking station and second respectively and select the station, and first picking station and second are selected the station and are selected the operation mouth for first picking respectively for the second along the second one side of selecting that the direction of passageway is relative. The operator may pick the side of the rack on the AGV facing the access opening at the first and second picking access openings. Based on the picking workstation of above-mentioned embodiment, under the condition that needs to select to last goods shelves face of AGV, only need AGV enter corresponding first select passageway or second to select the passageway and reach the operation mouth of selecting that corresponds and select can. Under the condition that two goods shelves face were selected on the needs were to the AGV, select the back at first goods shelves face of operation mouth on to the AGV goods shelves, the AGV passes through the turn and reaches the second and selects the operation mouth, can select the operation mouth with another goods shelves face towards the second, carries out selecting of another goods shelves face. The sorting workstation of the embodiment does not need the AGV to stop and carry out the goods shelf rotation, can make the AGV can realize the sorting to different goods shelf surfaces in the running process that links up, has improved and has selected efficiency and continuity. In addition, the design of the first picking port and the second picking port can enable the same picking operator to work at the two picking ports, the picking passage does not need to be crossed, and the labor cost is reduced.
Further embodiments of the picking station of the present disclosure are described below in conjunction with fig. 2.
FIG. 2 is a block diagram of some embodiments of a picking station of the present disclosure. As shown in fig. 2, the picking station 10 of this embodiment further includes: a third picking lane 300.
Third picking lane 300 is disposed parallel and adjacent to first picking lane 100; one end of third picking passage 300 communicates 100 with the first picking passage and the other end of third picking passage 30 communicates 200 with the second picking passage.
The third picking aisles 300 have delivery locations 120 disposed therein, with at least one of the delivery locations having an entrance. The transport position adjacent to the first picking station 110 in the third picking lane 300 may be configured as a pass bit, and the transport position adjacent to the second picking operation gate 212 in the second picking lane 200 is a pass bit. Facilitating the AGV performing a return to the warehouse operation after picking at the first pick station 110. Those skilled in the art will appreciate that more picking lanes or delivery locations may be configured in practice and are not limited to the illustrated examples.
In some embodiments, the picking station 1 may further comprise: and (4) a terminal. The terminal can select the station with first picking station and second, and the terminal is used for showing and selects information, and the operator of being convenient for to select selects the goods according to selecting information.
The present disclosure also provides a picking system, described below in conjunction with fig. 3.
FIG. 3 is a block diagram of some embodiments of the picking system of the present disclosure. As shown in fig. 3, the picking system 1 of this embodiment includes: the picking station 10 of the previous embodiment, and a controller 20.
The controller 20 is configured to send a first instruction to the automated guided vehicle when the rack surface to be picked is the first rack surface, and control the automated guided vehicle to enter the first picking station 110 for picking; or, when the rack surface to be picked is the second rack surface, a second instruction is sent to the automatic guided vehicle, and the automatic guided vehicle is controlled to enter the second picking station 210 for picking; or, in the case that the shelf surfaces to be picked are the first shelf surface and the second shelf surface, sending a third instruction to the automatic guided vehicle, and controlling the automatic guided vehicle to sequentially enter the first picking station 110 and the second picking station 210 for picking.
In some embodiments, at least one of the first instruction, the second instruction, and the third instruction comprises: the identification information of the conveying positions and the corresponding direction information are used for the automatic guided vehicle to identify the corresponding conveying positions according to the identification information and to operate according to the corresponding direction information at the conveying positions. The controller 20 selects an AGV according to the goods to be selected, selects a corresponding first selecting station or a second selecting station as a destination of the AGV according to the goods shelf to be selected, and further, the controller 20 allocates paths for the AGV according to the position of the AGV, the destination and the passing condition of each conveying position, and the path information can be represented by using identification information of the conveying positions and corresponding direction information. The AGV receives the path information included in the first instruction, the second instruction or the third instruction, and reaches the corresponding picking station along the distributed path through the identification information for identifying each conveying position in the operation process.
In some embodiments, the controller 20 is also configured to determine the type of transport bits, the type including: a cache bit and a pass bit. At least one of the first instruction, the second instruction, and the third instruction further comprises: the type of the conveying position is convenient for the automatic guided vehicle to wait at the buffer position and directly pass through at the passing position. For example, the controller 20 may determine the transport level adjacent to the second pick operation slot, the transport level adjacent to the first return slot as a pass level, and send the type information to the AGV so that the AGV does not stop at the transport level. The controller 20 may also determine other transport bits as buffer bits.
In some embodiments, controller 20 may configure the cache bits as different types of cache bits, e.g., a first cache bit and a second cache bit. The first cache position is used for waiting for the AGV with the shelf surface to be selected as the first shelf surface. The second cache position is used for waiting for the AGV with the to-be-picked goods shelf surface as the second goods shelf surface. Further, the first instructions include: identification information of the first cache location so that the automated guided vehicle waits at the first cache location. The second instructions include: identification information of the second cache location so that the automated guided vehicle waits at the second cache location. The third instructions include: identification information of the first buffer location and identification information of the second buffer location such that the automated guided vehicle waits at the first buffer location before entering the first picking station and at the second buffer location before entering the second picking station.
In some embodiments, the controller 20 is configured to determine the number of first buffer bits and the number of second buffer bits according to a ratio of the first shelf surface and the second shelf surface currently to be picked. For example, if all of the currently-to-be-sorted items belong to the first shelf surface, the controller 20 may configure all of the buffer bits in the first sorting lane, the second sorting lane, and the third sorting lane as the first buffer bit, or configure the buffer bits in the three sorting lanes as the first buffer bit according to a preset highest ratio. For another example, the ratio of the number of the first and second buffer bits is determined to be equal to the ratio of the first and second rack faces currently to be picked, thereby determining the number of the first and second buffer bits.
In some embodiments, the picking system 1 further comprises: an Automatic Guided Vehicle (AGV)30 for receiving the first instruction, and conveying the rack to a first picking station for picking; or receiving a second instruction, and enabling the transportation shelf to enter a second picking station for picking; or receiving a third instruction, and enabling the transportation shelf to sequentially enter the first picking station and the second picking station for picking.
The automated guided vehicle 30 is further configured to identify the identification component of the transport location, and operate according to the identification information of the transport location in the first command, the second command, or the third command, and the corresponding direction information.
The automated guided vehicle 30 is further configured to determine the class of the transport location where the automated guided vehicle is currently located according to the type information and the corresponding identification information of the transport location in the first instruction, the second instruction, or the third instruction, so as to wait at the cache location and directly pass through at the pass location.
According to the picking system of the embodiment, the controller can control the AGV to reach the corresponding picking station according to the goods shelves to be picked according to the layout of the picking workstation, the AGV does not need the AGV to rotate the goods shelves in the whole picking process, and only the AGV needs to walk according to the planned path, so that the picking efficiency is improved. The controller can also flexibly schedule the cache positions according to the condition of the shelf surface to be sorted, so that the sorting efficiency is further improved.
The present disclosure also provides a picking method based on the picking workstation of the foregoing embodiment, which is described below with reference to fig. 4.
Fig. 4 is a flow chart of some embodiments of a sorting method of the present disclosure. As shown in fig. 4, the method of this embodiment includes: steps S402 to S408.
In step S402, the shelf level to be picked is determined.
The controller may select a shelf surface based on the goods to be picked, determine whether the shelf surface to be picked belongs to the first shelf surface or the second shelf surface or both shelf surfaces need to be picked. The method of selecting a shelf surface according to the goods to be picked may be applied to the prior art and will not be described in detail here.
In step S404, when the rack surface to be picked is the first rack surface, a first instruction is sent to the automated guided vehicle, and the automated guided vehicle is controlled to enter the first picking station for picking.
In step S406, when the rack surface to be picked is the second rack surface, a second instruction is sent to the automated guided vehicle, and the automated guided vehicle is controlled to enter the second picking station for picking.
In step S408, when the shelf surfaces to be picked are the first shelf surface and the second shelf surface, a third instruction is sent to the automated guided vehicle, and the automated guided vehicle is controlled to sequentially enter the first picking station and the second picking station for picking.
Steps S404 to S408 are parallel steps, and there is no precedence order.
In some embodiments, at least one of the first instruction, the second instruction, and the third instruction comprises: the identification information of the conveying positions and the corresponding direction information are used for the automatic guided vehicle to identify the corresponding conveying positions according to the identification information and to operate according to the corresponding direction information at the conveying positions.
In some embodiments, the type of transport bits is determined from the layout of the picking stations, the type including: a cache bit and a pass bit. At least one of the first instruction, the second instruction, and the third instruction further comprises: the type of the conveying position is convenient for the automatic guided vehicle to wait at the buffer position and directly pass through at the passing position.
In some embodiments, the cache bits include a first cache bit and a second cache bit. The first instructions include: identification information of the first cache location so that the automated guided vehicle waits at the first cache location. The second instructions include: identification information of the second cache position so that the automatic guided vehicle can wait at the second cache position; the third instructions include: identification information of the first buffer location and identification information of the second buffer location such that the automated guided vehicle waits at the first buffer location before entering the first picking station and at the second buffer location before entering the second picking station.
In some embodiments, the number of first buffer bits and the number of second buffer bits are determined according to a ratio of a first rack face and a second rack face currently to be picked.
Some application examples of the present disclosure are described below in conjunction with fig. 5.
As shown in fig. 5, the picking station includes a first picking lane, a second picking lane and a third picking lane. The controller determines the type of each conveying bit to comprise a cache bit and a pass bit according to the condition of the current shelf surface to be picked, and the cache bit comprises a cache bit A and a cache bit B. The buffer position A is used for waiting for the AGV needing to pick the goods shelf surface A, and the buffer position B is used for waiting for the AGV needing to pick the goods shelf surface B. The AGV cannot stop at the passage position.
The AGV with the shelf surface A to be selected can enter the buffer position A according to the path planned by the controller and reach the first selection station through each buffer position A according to the planned path to be selected, at the moment, the shelf surface A is over against the first selection operation opening, and an operator can select according to the selection information displayed by the terminal.
The AGV with the shelf surface B to be selected can enter the buffer positions B according to the path planned by the controller and reach the second selection station through the buffer positions B according to the planned path to be selected, at the moment, the shelf surface B is over against the second selection operation opening, and an operator can select according to the selection information displayed by the terminal.
The AGV with the shelf surfaces to be picked being the A surface and the B surface can firstly enter a first picking station according to a path planned by the controller, and the picking of goods on the A surface is completed. Then the AGV straightly reaches a cache position B beside the first picking station, turns 90 degrees, continuously straightly reaches a second picking station, turns 90 degrees at the second picking station and is just opposite to a second warehouse returning outlet, at the moment, the shelf surface B is just opposite to a second picking operation port, and an operator reaches the second picking operation port through the passing position and can pick the shelf surface B according to the picking information displayed by the terminal. And after the sorting of the two goods shelf surfaces is finished, the AGV carries out warehouse returning operation from the second warehouse returning outlet.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims (12)

1. A picking station comprising:
a first picking lane and a second picking lane;
providing a first picking station at an end of the first picking tunnel and a second picking station at an end of the second picking tunnel, the first picking tunnel intersecting the second picking tunnel and communicating with the second picking tunnel through the first picking station;
the first picking station is a first picking operation opening on one side close to the second picking station in the direction along the second picking passage, the second picking station is a second picking operation opening on one side close to the first picking station in the direction along the second picking passage, the second picking station comprises a second entrance and a second warehouse return outlet of an Automatic Guided Vehicle (AGV), and the second entrance and the second picking operation opening are located on the same side.
2. The picking workstation of claim 1, wherein,
the first picking channel is provided with at least one conveying position, and the second picking channel is provided with at least one conveying position;
the first picking station is communicated with the conveying position on the second picking passage, and the conveying position communicated with the first picking station is separated from the second picking station by at least one conveying position.
3. The picking workstation of claim 1, wherein,
and a first warehouse returning outlet is arranged on the side, opposite to the side where the first picking operation opening is located, of the first picking station.
4. The picking workstation of claim 1, further comprising: a third picking lane;
the third picking lane is disposed parallel and adjacent to the first picking lane; one end of the third picking channel is communicated with the first picking channel, and the other end of the third picking channel is communicated with the second picking channel.
5. The picking workstation of claim 4, wherein,
a conveying position is arranged in the first picking channel, a conveying position is arranged in the second picking channel, and a conveying position is arranged in the third picking channel;
wherein an entrance is provided at least one delivery location in the first picking lane; providing an entrance at least one delivery location in the second picking lane; an entrance is provided at least one delivery location in the third picking lane.
6. The picking workstation of claim 5, wherein,
the conveying positions are provided with identification parts for identifying the corresponding conveying positions.
7. The picking workstation of claim 5, wherein,
the transport bits include: a cache bit and a pass bit;
a conveying position adjacent to the second picking operation opening in the second picking passage is a passing position; a conveying position adjacent to the first picking station in the third picking passage is a passing position; the rest of the transport bits except the pass bit are buffer bits.
8. A picking method based on a picking station according to any of claims 1 to 7, comprising:
determining the surface of a goods shelf to be picked;
under the condition that the goods shelf surface to be selected is a first goods shelf surface, sending a first instruction to an automatic guided vehicle, and controlling the automatic guided vehicle to enter the first selecting station for selecting; or sending a second instruction to the automatic guided vehicle under the condition that the shelf surface to be picked is a second shelf surface, and controlling the automatic guided vehicle to enter the second picking station for picking; or sending a third instruction to the automatic guided vehicle under the condition that the shelf surfaces to be picked are the first shelf surface and the second shelf surface, and controlling the automatic guided vehicle to sequentially enter the first picking station and the second picking station for picking.
9. The picking method of claim 8,
at least one of the first instruction, the second instruction, and the third instruction comprises: the identification information of the conveying positions and the corresponding direction information are used for the automatic guided vehicle to identify the corresponding conveying positions according to the identification information and to operate according to the corresponding direction information at the conveying positions.
10. The method of sorting of claim 9, further comprising:
determining a type of the transport bits; the types include: a cache bit and a pass bit;
at least one of the first instruction, the second instruction, and the third instruction further comprises: the type of the conveying position is convenient for the automatic guided vehicle to wait at the buffer position and directly pass through the passage position.
11. The picking method of claim 10,
the cache bits include a first cache bit and a second cache bit;
the first instructions include: identification information of the first cache position, so that the automatic guided vehicle can wait at the first cache position;
the second instructions include: identification information of the second cache position, so that the automatic guided vehicle can wait at the second cache position;
the third instructions include: identification information of the first buffer location and identification information of the second buffer location such that the automated guided vehicle waits at the first buffer location before entering the first picking station and at the second buffer location before entering the second picking station.
12. The picking method of claim 11,
and determining the number of the first buffer positions and the number of the second buffer positions according to the proportion of the first shelf surface to be picked to the second shelf surface.
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