WO2020082881A1 - 集备货和拣选为一体的库存区域、库存管理系统及方法 - Google Patents
集备货和拣选为一体的库存区域、库存管理系统及方法 Download PDFInfo
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- WO2020082881A1 WO2020082881A1 PCT/CN2019/102365 CN2019102365W WO2020082881A1 WO 2020082881 A1 WO2020082881 A1 WO 2020082881A1 CN 2019102365 W CN2019102365 W CN 2019102365W WO 2020082881 A1 WO2020082881 A1 WO 2020082881A1
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- Prior art keywords
- target
- picking
- shelf
- container
- robot
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
- B65G1/1371—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed with data records
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/10—Storage devices mechanical with relatively movable racks to facilitate insertion or removal of articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
- B65G1/1373—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/063—Automatically guided
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
Definitions
- the embodiments of the present invention relate to the technical field of logistics and warehousing, and particularly to an inventory area, an inventory management system, and a method for integrated management of stock preparation and picking. Background technique
- the rapid development of e-commerce has made a warehouse need to store a large number of item types and item inventory. Therefore, the warehouse needs to be able to quickly complete order picking, and it is also necessary to increase the storage of goods in the warehouse, thereby improving the storage efficiency of the entire warehouse.
- the warehouse planning area is usually divided into a stocking area for storing a large number of item inventory, such as the use of high shelves to increase the storage of items.
- the picking area is also divided for item picking based on the "goods to people" mode, that is, the robot picks the picking shelves in the picking area to the picking station, and then the staff or other automated equipment located in the picking station picks from the picking station. Pick the items needed for the order on the shelf.
- the picking area should be relatively compressed once the stocking area is expanded.
- the storage efficiency of the items in the stocking area is improved, the shrinking of the picking area will inevitably affect the number of picking stations and thus the picking efficiency.
- the stocking area will be relatively compressed.
- the picking efficiency of the picking area is improved, the shrinking of the stocking area will also affect its storage efficiency. That is, the existing technology cannot balance the picking efficiency and storage efficiency of the warehouse. Summary of the invention
- the invention provides an inventory area, inventory management system and method integrating stock preparation and picking, and realizes the balance between warehouse picking efficiency and storage efficiency.
- an embodiment of the present invention provides an inventory area that integrates stock preparation and picking, and is characterized by including: multiple high-level shelves and multiple picking shelves, where,
- Any high-level shelf in the plurality of high-level shelves includes at least one laminate, and the at least one laminate divides the high-level shelf into at least two layers;
- Picking shelves are placed on the bottom layer of at least one high-level shelf among the plurality of high-level shelves, and at least one storage container is placed on each layer except the bottom layer of the selecting shelves;
- the picking shelves contain stock items that can be picked, and the storage container contains stock items that provide replenishment for the pick shelves.
- an embodiment of the present invention provides an inventory management system that integrates stock preparation and picking.
- the system includes a control server, a robot, an access device, a workstation, and an inventory area that integrates stock preparation and picking.
- the access device and the robot communicate with the control server respectively, and the inventory area includes a plurality of high-level shelves and a plurality of sorting shelves, any one of the plurality of high-level shelves includes at least one shelf, the At least one shelf divides the high-level shelf into at least two layers, and the bottom layer of at least one high-level shelf among the plurality of high-level shelves places a sorting shelf, and the other layers except the bottom layer of the sorting shelf each place at least one storage container ,
- the storage container contains stock items that provide replenishment for the picking shelves; the picking shelves contain stock items available for picking;
- the control server is configured to, in response to the item replenishment request, determine a target picking shelf where the inventory items to be restocked are located, a first robot that transports the target picking shelf, and a target storage container that provides replenishment for the target picking shelf, A target high-level shelf for storing a target storage container, a first access device for taking out the target storage container, and a target workstation for replenishment operations are planned for the first robot and the first access device Walking path, sending control instructions to the first robot and the first access device;
- the first robot is configured to, in response to a control instruction, walk to a high-level shelf position where the target picking shelf is located according to a planned walking path, identify the target picking shelf from the bottom of the high-level shelf, and transport it to the Target workstation
- the first access device is configured to, in response to the control instruction, travel according to the planned walking path to At the location of the target high shelf, remove the target storage container from the target high shelf and transport it to the target workstation.
- an embodiment of the present invention provides an inventory management method that integrates stock preparation and picking.
- the method includes:
- the control server determines the target picking rack to be replenished, the first robot that transports the target picking rack, the target storage container that provides replenishment for the target picking rack, and the target high position for storing the target storage container A shelf, a first access device for taking out the target storage container, and a target workstation for performing a replenishment operation, planning a walking path for the first robot and the first access device, to the first robot Send a first control instruction with the first access device; wherein, the target high-level rack and the target picking rack are located in an inventory area integrating stock preparation and picking, and the inventory area includes a plurality of high-level racks and multiple Picking shelves, any one of the plurality of high-level shelves includes at least one shelf, the at least one shelf divides the high-level shelves into at least two layers, and at least one of the plurality of high-level shelves The bottom layer of the shelf is placed with a picking shelf, and at least one layer is placed on each layer except the bottom layer of the picking shelf The reservoir, the storage
- the first robot In response to the first control instruction, the first robot walks to the high-level rack position where the target picking rack is located according to the planned walking path, recognizes the target picking rack from the bottom of the high-ranking rack, and transports it to the target Workstation
- the first access device In response to the first control instruction, travels to the target high-level shelf position according to the planned walking path, and takes out the target storage container from the target high-level shelf and transports it to the target workstation.
- the sorting rack includes at least one layer board, the at least one layer board divides the sorting rack into at least two layers, and each layer of the sorting rack places at least one sorting container, and the sorting container is contained in the sorting container
- the above methods also include:
- the control server determines the target picking container where the inventory item to be replenished is located and the picking shelf where the target picking container is located, and the first robot that transports the target picking container is the first The robot plans a walking path and sends a first control instruction to the first robot;
- an embodiment of the present invention provides an inventory management method that integrates stock preparation and picking, including:
- the target picking shelf In response to the item replenishment request, determine the target picking shelf where the inventory items to be restocked are located, the first robot that transports the target picking shelf, the target storage container that provides replenishment for the target picking shelf, and the storage container for storing the target storage container A target high-level rack, a first access device for taking out the target storage container, and a target workstation for performing replenishment operations, planning a walking path for the first robot and the first access device, to the first A robot and the first access device send a first control command; wherein, the target high-level rack and the target picking rack are located in an inventory area integrating stock preparation and picking, and the inventory area includes a plurality of high-level racks And a plurality of sorting shelves, any one of the plurality of high-level shelves includes at least one shelf, the at least one shelf divides the high-level shelves into at least two layers, and at least one of the plurality of high-level shelves A sorting shelf is placed on the bottom layer of a high-level shelf, and at least one layer is
- Embodiments of the present invention provide an inventory area, inventory management system and method that integrate stock preparation and picking.
- a stock area integrating stock preparation and picking is formed .
- the inventory area is coordinated with the control server, robot, and access equipment, so that the operation of high shelves And the operation of the picking shelf does not affect each other in the physical space, proceeding in an orderly manner, thereby achieving a balance between picking efficiency and storage efficiency.
- FIG. 1A is a kind of inventory management system integrating stock preparation and picking provided in the prior art Schematic;
- FIG. 1 B is a schematic structural diagram of a robot provided in an embodiment of the present invention.
- FIG. 1C is a schematic structural diagram of an access device provided in an embodiment of the present invention.
- FIG. 2A is a structural block diagram of an inventory management system integrating stock preparation and picking provided in Embodiment 1 of the present invention
- 2B is a schematic diagram of a sorting shelf provided in an embodiment of the present invention.
- FIG. 2C and 2D are a front view and a side view of a high-level shelf provided in Embodiment 1 of the present invention
- FIG. 2E is a working schematic diagram of an inventory management system integrating stocking and picking provided in Embodiment 1 of the present invention ;
- FIGS. 2G and 2H are the work of another inventory management system that integrates stock preparation and picking provided in Embodiment 1 of the present invention Schematic diagram
- FIG. 3 is a working schematic diagram of an inventory management system that integrates stock preparation and picking as provided in Embodiment 2 of the present invention
- FIGS. 4A to 4C are working diagrams of an inventory management system integrating stock preparation and picking provided in Embodiment 3 of the present invention.
- 5A to 5C are working diagrams of an inventory management system integrating stock preparation and picking provided in Embodiment 4 of the present invention.
- 6A and 6B are schematic flowcharts of an inventory management method that integrates stock preparation and picking according to Embodiment 5 of the present invention
- FIG. 7A is a schematic structural diagram of a pallet shelf provided by an embodiment of the present invention.
- FIG. 7B is a schematic structural diagram of a partition shelf provided by an embodiment of the present invention. detailed description
- the system includes: access device 1101, robot 1102, control server 120.
- the stocking area 130 is provided with a plurality of shelves 1301 (for example, in order to improve the storage efficiency of the warehouse, the shelves may be high-level shelves.
- the following shelves are set in the stocking area 130 as the high-level shelves 1301.
- high-level shelves 1301 store a variety of bulk inventory items that can be replenished to the picking area (eg, full boxes of Coke), and the picking area 140 is also provided with multiple shelves 1401 (the shelf is used to store the inventory to be picked Items, so the following description is based on the selection area 140 with multiple picking shelves 1401.
- the picking shelves 1401 can be ordinary shelves or pallet shelves.)
- the picking shelves 1401 are placed with inventory items to be selected.
- the item can be picked into an order container, and an order container can be associated with at least one order.
- a plurality of workstations 1402 are provided on one side of the picking area 140. In the picking scenario, the workstation 1402 may also be called a picking station; in the replenishment scenario, the workstation 1402 may also be called a replenishing station. As an achievable method, the picking station and the replenishing station can be reused.
- the control server 120 wirelessly communicates with the access device 1101 and the robot 1102 respectively. Workers can operate the control server 120 through the console 160.
- the access device 1101 and the robot 1102 are under the control of the control system 120 to perform their respective tasks.
- the control server 120 plans a moving path for the access device 1101 and the robot 1102 according to the task.
- the access device 1101 moves along the empty space in the high-level rack array composed of the high-level shelves 1301 according to the moving path (the access device 1101 passes through the Part)), the robot 1102 travels along the empty space (part of the passage of the robot 1102) in the picking shelf array composed of the picking shelves 1401 according to the moving path.
- the working area of the access device 1101 and the robot 1102 (the working area includes at least the stocking area 130 and the area where the picking area 140 is located) is divided into several sub-areas (ie, units Grid), the access device 1101 and the robot 1102 move cell by cell to form a moving trajectory.
- the robot 1102 may be a robot for transporting the picking rack 1401 of the picking area 140.
- the robot 1102 may include a driving mechanism 111 through which the robot 1102 can move within the work space, and the robot 1102 may further include a lifting mechanism 112 for picking shelves 1401, and the robot 1102 It can be moved below the sorting shelf 1401, and the robot 1102 can use the lifting mechanism 112 to lift the sorting shelf 1401 and transport it to the workstation 1402.
- the lifting mechanism 112 is raised, the entire picking shelf 1401 is lifted from the ground, so that the robot 1102 carries the picking shelf 1401, and when the lifting mechanism 112 is lowered, the picking shelf 1401 is placed on the ground.
- the target recognition component 113 on the robot 1102 can effectively recognize the picking shelf 1401.
- the robot 1102 may further include a navigation identification component (not shown in FIG. 1B) for identifying navigation marks (such as a QR code) on the ground.
- the robot 1102 may also include a control module that controls the entire robot to realize functions such as motion and navigation (not shown in FIG. 1B).
- the robot 1102 includes at least two cameras up and down, which can travel forward according to the two-dimensional code (or other ground signs) captured by the down camera, and can be determined according to the control server 120 To the picking shelf 1401 prompted by the control server 120. And recognize the picking shelf 1401 according to the upward camera, so that the docking joint of the robot 1102 (connected to the lifting mechanism) docks with the picking shelf 1401 when the lifting mechanism is lifted, and lifts the picking shelf 1401 from the ground.
- the access device 1101 may be a device (for example, a pallet) for taking out and storing storage containers from the high shelf 1301 in the stocking area 130.
- the access device 1101 may be an unmanned forklift, and the unmanned forklift may include a cargo fork, and the fork exit direction is parallel to the traveling direction of the unmanned forklift to avoid the unmanned forklift When the storage container is taken out and stored, the passage is too wide due to the steering.
- the unmanned forklift may also include a controller for controlling the vertical movement of the fork and a target recognition component (not shown in FIG. 1C).
- the unmanned forklift can drive to the target high shelf 1301 in the stocking area 130, and determine the location of the target storage container to be acquired on the target high shelf 1301 based on the target identification component; and then the controller in the unmanned forklift will load the cargo
- the fork is adjusted to the height of the target storage container, and the fork is controlled to exit the fork and penetrate into the target storage container to obtain the target storage container, where the target storage container stores bulk inventory items that can be replenished to the picking area.
- the control server 120 is a software system that runs on the server and has data storage and information processing capabilities, and can be connected to access devices, robots, hardware input systems, and other software systems through wireless or wired.
- the control server 120 may include one or more servers, and may be a centralized control architecture or a distributed computing architecture.
- the control server 120 has a processor 121 and a memory 122, in which an order pool 123 may be provided.
- the picking area can be replenished periodically.
- the access device 1101 moves bulk inventory items from the stocking area 130 to the workstation in the picking area 140 1402 (for example, the picking workstation and the replenishing workstation are reused), and at the same time, the robot 1102 also transfers the picking shelves 1401 or the picking containers that need to be restocked to the workstation 1402, so that the operator (worker or other automated equipment) will store large quantities
- the items are placed on the picking shelf 1401 or picking container. At least one picking container may be placed on the picking shelf 1401, and the picking container contains stock items that can be picked. As a achievable way, there is a grid on the picking shelf, Inventory items can also be placed directly in the picking shelf 1401.
- the stocking area 130 needs to be expanded to improve the storage efficiency of the warehouse; accordingly, The picking area 140 will shrink, and the shrinking of the picking area 140 will inevitably affect the number of workstations 1402 in the picking area 140, resulting in a drop in picking efficiency.
- the number of workstations 1402 becomes smaller, and the replenishment speed is slow, resulting in the inability to replenish the goods in time, which further affects the picking efficiency.
- the stocking area 130 will be relatively compressed. Although the picking efficiency of the picking area is improved, the shrinking of the stocking area 130 will also affect its storage efficiency. That is, the prior art cannot balance the picking efficiency and storage efficiency of the warehouse.
- the present invention is further optimized on the basis of the existing storage and sorting system, and realizes the balance between warehouse picking efficiency and storage efficiency. Based on this, the following describes the technical solutions of the embodiments of the present invention to solve the problem.
- Example one describes the technical solutions of the embodiments of the present invention to solve the problem.
- FIG. 2A is a structural block diagram of an inventory management system integrating stock preparation and picking provided in Embodiment 1 of the present invention.
- This embodiment can be applied to a warehouse environment with a fixed area that cannot be expanded. How to balance the picking efficiency of a warehouse with The situation of storage efficiency is especially suitable for the operation of items located in the inventory area in the case of picking, replenishing or other operations.
- the inventory system can realize the integration of stocking and picking in any embodiment of the present invention. Management methods.
- the system 200 comprises: a control server 201, the robot 202, access device 203, a workstation 204, and set in one of the stocking and inventory sorting region 205 o
- the control server 201 may be a single-line or multi-thread server, which can provide strategies for picking, replenishment, distribution of robots and access equipment for inventory items; the access equipment 203 and the robot 202 communicate with the control server 201, and the workstation 204, respectively It can be a replenishment station, a picking station, a loading station, etc .; optionally, different operations correspond to different workstation names.
- the replenishment station, the picking station, and the loading station can reuse the same workstation.
- the workstation serves as the replenishing station
- the picking scenario serves as the picking station
- the workstation is Cargo station.
- the inventory area 205 includes multiple high-level shelves 206 and multiple picking shelves 207, similar to the arrangement of the high-level shelves in the stocking area of FIG. 1A.
- the inventory area 205 may place multiple high-level shelves 206, each of the high-level shelves 206 Several high-level shelves can be arranged into a rectangular high-level shelf Groups, high-level shelf groups and high-level shelf groups can be arranged in an array in the form of an array, and the gap in the middle of the array is the passageway for accessing equipment or robots.
- any high-level shelf 206 of the plurality of high-level shelves may include at least one ply 2061, and the at least one ply 2061 divides the high-level shelf into at least two layers, and a plurality of at least one upper shelf 206 underlying shelf 206 is placed in the upper shelf 207 chosen, the other layers except the bottom shelf 207 disposed chosen are placed outside of the at least one storage container 208 o specifically, all the shelves in the upper region 206 of the stock The bottom layer can be filled with all sorting shelves 207.
- the remaining layers of all high-level shelves 206 except the bottom layer can be placed with storage containers 208; or, the bottom layer of some high-level shelves 206 in all high-level shelves 206 in the inventory area can be placed for picking
- the racks 207 can store storage containers 208 in the remaining high-level shelves 206 except for the bottom layer, and can store storage containers 208 in the remaining high-level shelves 206 except for the bottom layer.
- the specific situation can be flexibly selected in combination with the actual scenario, so as to balance the picking efficiency and the storage efficiency.
- the storage container 208 contains inventory items for replenishing the picking shelves.
- the storage container 208 may be, for example, a pallet, a bin, or may be a custom container adapted to store corresponding inventory items.
- the picking shelves 207 contain The stock items available for picking, optionally, the stock items available for picking can be directly placed on the picking shelf 207, or can be placed in the picking container 209, and the picking container 209 is placed in the picking shelf 207.
- the picking container 209 can be, for example, a bin, a carton, a tote, or a customized container that can be adapted to store corresponding inventory items.
- the picking shelf 207 may be a general picking shelf as shown in FIG. 2B, including at least one shelf 2071, and the at least one shelf divides the picking shelf 207 into at least two layers and picks At least one sorting container 209 can be placed on each layer of the shelf, and the sorting container 209 contains inventory items available for sorting. In addition, stock items can also be placed directly in the picking rack 207 (not shown in Figure 2B).
- the bottom of the picking shelf 207 may be provided with a first readable mark 2072 as shown in FIG. 2B, such as a two-dimensional code.
- a first readable mark 2072 as shown in FIG. 2B, such as a two-dimensional code.
- the two-dimensional code is captured by the upward camera to ensure the robot 202 is located directly under the picking shelf 207, so as to ensure that the robot 202 can smoothly lift and transport the picking shelf 207.
- a second readable mark 2073 such as a two-dimensional code, may also be provided near the front of the picking container 209.
- the worker can read the set on the picking container 209 through a scanning gun QR code 2073, to ensure that the obtained picking container 209 is required; or, use a robot that specially transports the picking container, such as a robot 202 with a gripping function, travels to the front of the picking shelf 207, and passes the camera Photographed election container 209 provided on the two-dimensional code 2073, thus ensuring accurate gripping can pick picking container 209
- O shelf 207 may also include one or more support portions 2074.
- the picking container 209 may also be suspended from a hook or rod in or on the picking shelf 207.
- the picking container 209 can be placed on the inner or outer surface of the picking shelf 207 on the picking shelf 207 in any suitable manner.
- the picking shelf 207 may also be a pallet shelf; in actual application scenarios, a pallet shelf and a common picking shelf may exist at the same time.
- the high-level shelf 206 or the sorting shelf 207 may include a plurality of shelves stacked in a vertical direction; for the high-level shelf 206, one or more storages may be stored on each shelf For the picking shelf 207, one or more picking containers can be stored on each shelf, or one or more stock items can be placed.
- each high-level shelf 206 includes two layers of shelves 2061, and the two layers of shelves 2061 divide the high-level shelves 206 into three layers.
- the picking shelf 207 is placed on the bottom of the high-level shelf 206. Below the picking shelf 207, there is space for the robot 202 with the structure shown in FIG. 1B. In addition, the robot 202 can move below the picking shelf 207, and the picking shelf is lifted by a lifting mechanism 207, and moved to the workstation 204.
- storage containers 208 are placed on both shelves of the high-level shelf 206.
- the storage container 208 is a pallet. On the pallet are placed inventory items that can provide replenishment for the picking shelf 207.
- the access device 203 may be an unmanned intelligent forklift, and the intelligent forklift may adopt the structure shown in FIG. 1C.
- the access device in order to shorten the width of the passageway between the high-level shelves 206 as much as possible, so that the warehouse can accommodate more high-level shelves 206, and thereby expand the storage capacity and picking capacity of the warehouse, the access device is preferably a narrow-aisle unmanned forklift.
- the structure of the narrow-channel unmanned forklift is different from the structure of the ordinary smart forklift shown in FIG. 1C. The difference is that the narrow-channel unmanned forklift has a fork-out direction perpendicular to the driving direction, and the side-out fork can be located in the tunnel.
- FIG. 2E is a schematic diagram of the operation of an inventory management system that integrates stock preparation and picking provided in Embodiment 1 of the present invention.
- the workstation 204 is a replenishment station.
- the control server 201 may be configured to determine the inventory to be replenished in response to the item replenishment request
- the operation target replenishment station plans a walking path for the first robot 2021 and the first access device 2031, and sends control instructions to the first robot 2021 and the first access device 2031;
- the first robot 2021 may be configured to, in response to the control instruction, walk to the position of the high-order rack 206 where the target picking rack 207 is located according to the planned walking path, identify the target picking rack 207 from the bottom of the high-rank rack 206, and transport it to the target replenishment station ; Or walk to the position of the picking shelf 207 where the target picking container 209 is located according to the planned walking path, identify the target picking container 209 from the picking shelf 207 and transport it to the target replenishment station;
- the first access device 2031 may be configured to, in response to the control instruction, travel to the position of the target high shelf 206 according to the planned walking path, take out the target storage container 208 from the target high shelf 206 and transport it to the target replenishment station, so that The replenishment equipment or replenishment personnel 210 in the target replenishment station obtains the stock items from the target storage container 208 according to the replenishment requirements and places them on the target picking rack 207 or in the target picking container 209.
- the control server 201 may be configured to send a replenishment instruction to the access device 2031; 2031 In response to the replenishment instruction, obtain inventory items from the target storage container 208 according to the instruction of the replenishment instruction and place them on the target picking shelf 207 or the target picking container 209; and then detect that the access device 2031 removes from the target storage container 208
- the control server 201 may also be configured to send a transport instruction to the first robot 2021; the first access device 2031 may also be configured to respond to the transport instruction, The target picking container 209 carrying the items is transferred from the target replenishment station to the corresponding area in the target high-level rack 206 according to the transfer instruction, thereby completing the automatic replenishment of the items.
- the item replenishment request may be that during the daily picking operation, when the upstream system detects that a certain stock item is out of stock in the picking shelf 207 stored at the bottom of the inventory area 205, it sends a request to the control server 201.
- a request for replenishment of the inventory item is issued; it may also be that the worker at the workstation determines that a certain inventory item is out of stock in the picking shelf 207 stored at the bottom of the inventory area 205.
- control server 201 determines that the items to be picked need to be replenished may include: The control server 201 calculates the inventory quantity of the items to be picked in the inventory area 205, and if the inventory quantity is less than or equal to the preset safety stock threshold, determine that the items need to be replenished goods.
- the inventory quantity refers to the quantity of an item currently to be picked
- the safety stock threshold refers to the range value of the quantity of an item that can meet the demand during the daily picking operation, which can be one day or one week Or one month, etc .; may include upper limit and lower limit; the safety stock thresholds for different items may be different or may be the same.
- the safety stock threshold value may be determined according to the heat of the commodity and the degree of heat of the item within a certain period of time.
- down jackets have a lower product popularity in the summer, and a lower safety stock threshold can be set for the down jacket item, while short-sleeved T-shirts have a higher commodity popularity in the summer, and a short-sleeved T-shirt item can be set Higher safety stock threshold.
- control server 201 detects an out-of-stock phenomenon of an item to be picked, that is, when the inventory quantity of the item is less than or equal to the lower limit value of the set safety inventory threshold value of the item, replenishment is required Items to generate replenishment tasks.
- the control server 201 may be further configured to determine the pre-replenishment quantity of the item according to the difference between the safety stock threshold value and the inventory quantity, and determine the item ’s pre-replenishment quantity according to the pre-replenishment quantity and the storage specification of the item to be selected At least one of the actual replenishment quantity and the picking shelf 207 generates an item replenishment task based on the actual replenishment quantity of the item.
- the quantity of pre-replenishment refers to the quantity of an item to be picked out of stock.
- the upper limit of the safety stock of the item can be used to subtract the inventory quantity of the item to obtain the quantity of pre-replenishment required for the item.
- the storage specification refers to the maximum storage space that can be accommodated in the shelf selection shelf or the maximum storage quantity that can accommodate an item. If the storage is a storage box and the item is clothes, the storage specification is the number of clothes when the whole box is filled, for example, a box of 10 pieces.
- the storage specifications for different items may be different or the same.
- the items stored in the inventory area 205 are stored in accordance with the specification of the item, that is, the whole box, the actual replenishment quantity of the item is an integer multiple of the storage specification of the item in the inventory area 205, and the actual replenishment of the item
- the quantity of goods is equal to or greater than the pre-replenishment quantity of the item.
- the items stored in the inventory area 205 are stored according to the specifications of the items, that is, the whole box.
- the pre-replenishment quantity can be an integer multiple of the storage specification of the picking shelf, or it can be less than the storage specification of the picking shelf.
- the replenishment quantity and storage specifications determine the type of picking shelf.
- the picking shelf can be a pallet rack, which is convenient for holding a full set of items; if the pre-replenishment quantity is less than the storage specification of the picking shelf, the picking shelf can be a partition shelf, Convenient to accommodate the whole set after demolition. The structure of the pallet shelf and the partition shelf will be described later.
- the item replenishment request may include the name of the inventory item that needs to be replenished, the quantity of replenishment, the storage position of the inventory item on the high shelf 206 in the inventory area 205, and the picking shelf 207 or the picking or The sorting container 209 on the shelf 207 and the like.
- the robot that transports the picking rack 207 has a different structure from the robot that transports the picking container 209; a robot that transports the picking rack 207 with the robot structure shown in FIG. 1B may be selected, and the picking belt shown in FIG. 2F may be selected.
- the robot of the device transports the sorting container 209. Specifically, as shown in FIG. 2F, the lifting mechanism in the robot shown in FIG. 1B can be removed, and a gripping device for gripping the bin can be added.
- the gripping device includes a telescopic component 51, which is used for the telescopic component 51. For picking the picking container 209 from the picking shelf 207.
- the picking device may further include a lifting assembly 52 that can raise and / or lower the telescopic assembly 51 to a preset height, so that the robot 202 can adjust the gripping The height of the device allows the picking device to pick the picking container 209, or the picking device to place the picking container 209 on the picking shelf 207.
- the telescopic assembly 51 in the gripping device may include a gripping portion 511 and a sliding portion 512.
- the gripping portion 511 may grip the picking container 209 such as a bin from the picking shelf 207 by gripping, the gripping portion 511 is slidably connected to the sliding part 512, and the 511 gripping part can slide along the depth direction of the shelf laminate through the sliding part 512.
- the grip portion 511 may include a first grip 5111 and a second grip 5112, and are correspondingly disposed on the left and right sides of the compartment.
- the first gripper and the second gripper may have a plate-like structure, as shown in FIG. 2F, or may have other structures, such as a rod-like structure.
- the gripping part 511 may further include anti-slip pads 5113 respectively disposed inside the first gripper 5111 and the second gripper 5112, the anti-slip pad 5113 is foldable, and the non-slip pad 5113 is folded when the gripping part 511 does not grip the picking container, When the gripping portion 511 picks and picks the container, the non-slip mat 5113 is opened.
- the vertical heights of the first gripper 5111 and the second gripper 5112 match the height of the shelves of the shelf, so that the first gripper 5111 and the second gripper 51 12 can penetrate deep into the shelves of the picking shelf 207 Take the picking container located on the shelf.
- the control instruction refers to an instruction issued by the control server 201 to the first robot 2021 and the first access device 2031 to transport the required objects; optionally, the control instruction issued to the first robot 2021 may include Walking path, target picking rack 207 mark or target picking container 209 mark, and target replenishment station mark, may also include the high rack 206 mark where the target picking rack 207 is located, or the picking rack 207 mark where the target picking container 209 is located, and picking The high shelf 206 where the shelf 207 is located is identified.
- the control instructions issued to the first access device 2031 may include a walking path, an identification of the target storage container 208, an identification of the target high-level shelf 206 where the target storage container 208 is located, and an identification of the target replenishment station.
- the picking shelf 207 logo, the high shelf 206 logo, the storage container 208 logo, and the picking container 209 logo are all unique, and may be a two-dimensional code or other graphic marks similar to the two-dimensional code, or RFID or the like Other electronic tags with wireless transmission function for RFID.
- the robot 202 or the access device 203 may identify the target by the identification, for example, the robot 202 may identify the picking shelf 207 by the identification on the picking shelf 207.
- the target high shelf 206 storing the target storage container 208 may not be the same as the high shelf 206 where the target picking shelf 207 where the inventory items to be replenished are located is located.
- the high shelf 206 where the picking shelf 207 where the target picking container 209 is located may not be the same as the target high shelf 206 where the target storage container 208 is stored.
- the target storage can be selected based on the most recent principle and the replenishment quantity The container 208, and then determine the target high shelf 206 for storing the target storage container 208.
- the target replenishment station as the first and Nth replenishment stations as an example for description.
- this embodiment is not limited to the first and Nth work stations, and other work stations are also applicable.
- the first robot 2021 in the first workstation transports the target picking rack 207
- the N robot in the N workstation transports the target The container 209 is picked for description. In actual situations, a robot can only carry one of them at the same time.
- the specific operation process may be: When the upstream system determines that the picking shelf 207 placed at the bottom of the inventory area 205 needs to be replenished, it may issue an item replenishment request to the control server 201; the control server 201 receives the item replenishment issued by the upstream system After the request, in response to the item replenishment request, determine the target picking rack 207 where the stock items to be replenished are located based on the item replenishment request, or the target picking container 209 where the stock items to be replenished and the picking where the target picking container 209 is located Shelf 207, determine the high shelf 206 where the target picking shelf 207 is located or the high shelf 206 where the picking shelf 207 where the target picking container 209 is located, the target storage container 208 that provides replenishment for the target picking shelf 207 or the target picking container 209, and For storing the target high-level shelves 206 of the target storage container 208, etc .; and determining the target replenishment station for this replenishment operation according to the operation tasks of each replenishment station; and then controlling
- the first robot 2021 drives to the position of the high rack 206 where the target picking rack 207 is located according to the autonomous navigation function, the identification and the walking path of the high rack 206 where the target picking rack 207 contained in the control instruction, and according to The target picking shelf 207 in the control instruction identifies the target picking shelf 207; then the lifting mechanism can be used to obtain the target picking shelf 207 from the bottom of the high-level shelf 206 and transport it to the target replenishment station.
- the high order shelf 206 where the picking rack 207 where the target picking container 209 is located and the walking path included in the control instruction drive to the high rack 206 where the picking rack 207 where the target picking container 209 is located, and
- the picking shelf 207 is identified and identified according to the picking shelf 207 where the target picking container 209 is located in the control instruction, and then the target picking container 209 is grabbed from the picking shelf 207 and transported to the target replenishment station using the grabbing device disposed thereon.
- the first access device 2031 also responds to the control instruction, and travels to the position of the target high shelf 206 according to the autonomous navigation function, the target high shelf 206 identification and the walking path of the target storage container 208 contained in the control instruction; Then, according to the target storage container 208 identification, the target storage container 208 is taken out from the target high shelf 206 and transported to the target replenishment station.
- the first access device 2031 is a first unmanned forklift
- the position of the target storage container 208 on the target high shelf 206 can be determined according to the target storage container 208 identifier, Then, the fork is adjusted to the height of the target storage container 208, and the target storage container 208 is picked up from the target high-level rack 206 and transported to the target replenishment station.
- the replenishment equipment or the replenishment personnel 210 in the target replenishment station can take out items from the target storage container 208 and place them on the target picking shelf 207 or place them in the target picking container 209 according to the replenishment requirements to achieve item replenishment goods.
- the first robot 2021 carries the target picking rack 207 as an example for description.
- the target picking rack 207 may be placed At the designated location of the target replenishment station, so that the replenishment equipment or replenishment personnel 210 in the target replenishment station can operate it; after that, the first robot 2021 can continue to respond to other control instructions sent by the control server 201, that is, release the first An association relationship between a robot 2021 and the target picking shelf 207.
- the first robot 2021 can always maintain docking with the target picking rack 207, that is, the target picking rack 207 always maintains the association relationship with the first robot 2021, that is, during the operation of the target picking rack 207, the first A robot 2021 always waits for the target picking shelf 207 to be executed at a certain position, or the target picking goods
- the rack 207 is always on the first robot 2021, and the replenishment equipment or the replenishment person 210 directly performs the operation on the target picking rack 207 on the first robot 2021.
- the target storage container 208 may be placed at a specified position of the target replenishment station, so that the The replenishment device or the replenishment personnel 210 operates it; after that, the first access device 2031 may continue to respond to other control instructions sent by the control server 201 to disassociate the first access device 2031 from the target storage container 208 Alternatively, the target storage container 208 may always maintain the association relationship with the first access device 2031.
- the first robot 2021 may also be configured to always maintain docking with the target picking rack 207 or the target picking container 209 when the target picking rack 207 or the target picking container 209 is operated; or, the target picking rack 207 or The target picking container 209 is placed at the designated location of the target replenishment station (ie, the replenishment equipment or the working position of the replenishment personnel 210), so as to wait and execute other control instructions after being placed.
- the first access device 2031 may also be configured to always keep docking with the target storage container 208 during the operation of the target storage container 208; or, place the target storage container 208 at a specified position of the target replenishment station , In order to wait and execute other control instructions after placement.
- the specific operation process of moving from the target replenishment station to the inventory area may be: when the control server 201 detects the target picking rack 207 or target picking container After the operation of 209 is completed, or, after receiving the replenishment completion request sent by the replenishment personnel, the control server 201 sends a control instruction to the first robot 2021; the first control robot 2021 picks the target 207 according to the instruction of the control instruction It is transported from the target replenishment station to the inventory area 205.
- the target picking rack 207 can be placed at the original position, as shown in the first replenishment station in FIG. 2F, or can be placed in the inventory area 205.
- the bottom shelf is where the picking shelf 206 is placed and the idle high shelf 206 is located.
- the first robot 2021 transports the target picking container 209 from the target replenishment station to the inventory area 205.
- the target picking container 209 may be placed at the original position, that is, the target picking container is transported to Where the picking rack 207 is located at the position of the high rack 206, and the target picking container 209 is placed on the picking rack 207, as shown in the case of the Nth replenishment station in FIG. 2F, the target picking container 209 may also be Place On other picking shelves 207.
- the first access device 2031 is configured to remain connected to the target storage container 208 during the operation of the target storage container 208.
- the control server 201 detects that the target storage container 208 has been operated, or after the control server 201 receives the replenishment completion request sent by the replenishment personnel, it sends control to the first access device 2031 instruction.
- the first access device 2031 transports the target storage container 208 from the target replenishment station to the inventory area, which may specifically be that the target storage container 208 is placed at the original location, that is, the target storage container 208 is moved to its location At the location of the target high shelf 206, the target storage container 208 is placed on the target high shelf 206.
- the first access device 2031 is a first unmanned forklift, after the target storage container 208 is transported from the target replenishment station to the target high shelf 206 position where the target storage container 208 is located in the inventory area, the unmanned forklift can transport the goods The fork is raised to the height required by the target storage container 208 to be placed on the target high shelf 206, and the target storage container 208 is forkd into the target high shelf.
- the first access device 2031 can also place the target storage container 208 on other high-level shelves 206 (not shown in FIG. 2G).
- the robot may further include a second robot 2022, and the second robot 2022 may have the same structure as the first robot 2021.
- the access device may further include a second access device 2032, and the second access device 2032 may have the same structure as the first access device 2031.
- the control server 201 may be further configured to, in response to the replenishment completion request, determine the second access device 2032 for storing in the target storage container 208, and the second storage device 208 for transporting the target picking rack 207 or the target picking container 208.
- the second robot 2022 may be configured to, in response to the control instruction, acquire the target picking rack 207 or the target picking container 209 from the target replenishment station according to the planned walking path, and transport the target picking rack 207 or the target picking container 209 to the inventory area ;
- the second access device 2032 may be configured to, in response to the control instruction, acquire the target storage container 208 from the target replenishment station according to the planned walking path, and transport the target storage container 208 to the inventory area.
- the replenishment completion request may be an instruction sent by the replenishment personnel or the upstream system to the control server to inform the control server that the replenishment task has been completed, and the target may select the shelf and the target storage container, or the target The picking container and the target storage container are moved back to the inventory area; it can also be caused by the detection device in the control server detecting that the replenishment task has been completed.
- the second robot 2022 may place the target picking rack 207 at the original position, or it may be placed on the other bottom floor of the inventory area 205 where the picking rack 206 is placed and the bottom of the idle high rack 206; or the target picking container 209 may be placed In the original position, the target picking container 209 can also be placed on other picking shelves 207.
- the second access device 2032 may place the target picking container 209 in the original position, or on other high-level shelves 206.
- the second robot 2022 can place the target picking rack 207 at the original position
- the second access device 2032 can place the target picking container 209 at the original position.
- the replenishment personnel or the upstream system may send a replenishment completion request to the control server 201.
- the control server 201 determines the position of the target high-level shelf 206 and the target storage container 208 on the target high-level shelf 206 for storing the target picking shelf 207 or target picking according to the replenishment completion request
- the working state of the fetching equipment determines the second robot 2022 carrying the target picking rack 207 or the target picking container 209, and the second access device 2032 stored in the target storage container 208, which are also the second robot 2022 and the second access device 2032 plans a walking path and sends control instructions to the second robot 2022 and the second access device 2032.
- the second robot 2022 drives to the position of the high rack 206 where the target picking rack 207 is located according to the autonomous navigation function, the identification and the walking path of the high rack 206 where the target picking rack 207 contained in the control instruction; and then determines
- the storage position of the target picking rack 207 at the bottom of the high-level rack 206 is the position where the target picking rack 207 is stored, and the target picking rack 207 is placed at this position.
- the target picking container 209 is placed at this position.
- the second access device 2032 also responds to the control instruction, and travels to the position of the target high shelf 206 according to the autonomous navigation function, the target high shelf 206 identification and the walking path of the target storage container 208 contained in the control instruction; Then, the target storage container 208 is placed in the target storage location on the target high shelf 206.
- the technical solution provided by the embodiment of the present invention by overlapping the traditional stocking area and the picking area in physical space, to form a stocking area that integrates stocking and picking, fully utilizes the existing area of the warehouse, and ensures that the warehouse can In the case of storing a large number of items, it does not affect the number of workstations, etc., which achieves a balance between picking efficiency and storage efficiency; at the same time, the inventory area is coordinated with the control server, robot, and access equipment to ensure the operation of high shelves And the operation of picking shelves does not affect each other in physical space, and is carried out in an orderly manner.
- Example 2 Example 2
- FIG. 3 is a working schematic diagram of an inventory management system integrating stock preparation and picking provided in Embodiment 2 of the present invention.
- the target storage container 208 is a target tray 2081, and
- the target picking shelf where the restocked inventory item is located is an empty pallet shelf, a detailed description is made on how to realize the replenishment. among them,
- the control server 201 may be configured to, in response to the item replenishment request, determine the target picking rack 207 where the inventory items to be replenished are located, the target tray 2081 to provide replenishment for the target picking rack 207, and the target high position for storing the target tray 2081
- the shelf 206 and the first access device 2031 for taking out the target tray 2081, plan a walking path for the first access device 2031, and send a control instruction to the first access device 2031;
- the first access device 2031 may be further configured to, in response to the control command, travel to the target high-level rack 206 according to the planned walking path, take out the target tray 2081 from the target high-level rack 206 and transport it to the target picking rack 207, The target tray 2081 is placed on the target picking shelf 207.
- the specific operation process may be:
- the upstream system determines that the picking shelf 207 placed at the bottom of the inventory area 205 needs to be replenished, it may issue an item replenishment request to the control server 201;
- the control server 201 receives the After the item replenishment request, in response to the item replenishment request, determine the target picking shelf 207 where the inventory item to be replenished is located based on the item replenishment request (here the target picking shelf where the inventory item to be replenished is an empty pallet shelf) , The high-level rack 206 where the target picking rack 207 is located, the target tray 2081 to provide replenishment for the target picking rack 207, and the storage target The target high shelf 206 of the tray 2081, etc .; then the control server 201 determines the first access device 2031 to take out the target tray 2081 based on the shortest path principle and the working status of each access device, and at the same time plans the walking path for the first access device 2031, A control instruction is sent to the first access device 2031.
- the first access device 2031 drives to the position of the target high shelf 206 according to the autonomous navigation function, the target high shelf 206 identification and the walking path of the target tray 2081 included in the control instruction; and then from the target high shelf 206 Take out the target tray 2081 and move it to the high-level rack 206 where the target picking rack 207 is located, and determine the storage position of the target picking rack 207 to be replenished at the bottom of the high-level rack 206, and then directly place the target tray 2081 on the target Pick on shelf 207.
- the target high-level rack 206 storing the target tray 2081 and the target high-level rack 206 containing the target picking rack 207 where the items to be restocked are located may or may not be the same.
- the target tray 2081 can be selected based on the most recent principle and the replenishment quantity, and The target high shelf 206 storing the target tray 2081 is determined.
- the technical solution provided by the embodiment of the present invention by overlapping the traditional stocking area and the picking area in the physical space, to form a stocking area that integrates stocking and picking, fully utilizes the existing area of the warehouse, and ensures that the warehouse can be stored.
- the storage storage container stored on the high shelf is a tray
- the picking shelf to be replenished is an empty pallet shelf
- the control server and the access equipment in the inventory system it is possible to realize full palletizing and replenishment, which improves the efficiency of replenishment and further improves the picking. effectiveness.
- FIGS. 4A to 4C are working schematic diagrams of an inventory management system integrating stock preparation and picking provided in Embodiment 3 of the present invention.
- the inventory system is operated in a picking scenario , Explain in detail how to achieve picking.
- the workstation 204 is a picking station
- the control server 201 may be configured to, in response to the item picking request, determine the target picking rack 207 where the stock items to be picked are located, or the target picking container 209 and the target picking container where the stock items to be picked are located Picking shelf 207 where 209 is located, and the third robot 2023 that determines the carrying target picking shelf 207 or target picking container 209, and the target picking station that implements the picking operation, plan the walking path for the third robot 2023, and send control to the third robot 2023 instruction;
- the third robot 2023 may be configured to, in response to the control instruction, walk to the position of the high-order rack 206 where the target picking rack 207 is located according to the planned walking path, acquire the target picking rack 207 from the bottom of the high-rank rack 206, and transport it to the target picking station.
- the picking personnel or picking equipment 220 of the station performs the picking operation based on the picking order information.
- the item picking request may be a request sent by the upstream system to the control server after receiving the new order.
- the item picking request may include pending picking order information, and the picking order information may include items and quantities required by the order.
- the third robot 2023 may have the same structure as the first robot 2021.
- the entire operation process may be as follows: After the upstream system receives a new order, it sends an item picking request to the control server 201; the control server 201 responds to the item picking request based on the picking order information and current warehousing information in the item picking request As well as the picking strategy, determine the target picking rack 207 or target picking container 209 hit by the current task corresponding to the picking order; and determine the target picking station to operate the target picking rack 207 or target picking container 209 according to the operation tasks of each picking station; Then the control server 201 determines the third robot 2023 carrying the target picking rack 207 or the target picking container 209 based on the shortest path principle and the working state of each robot, and at the same time plans a walking path for the third robot 2023 and sends a control command to the third robot 2023 .
- the third robot 2023 drives to the position of the high rack 206 where the target picking rack 207 is located according to the autonomous navigation function, the identification and the walking path of the high rack 206 where the target picking rack 207 contained in the control instruction, and then The bottom layer of the high rack 206 acquires the target picking rack 207 and transports it to the target picking station.
- the picking personnel or the picking equipment 220 of the target picking station perform the picking operation based on the picking order information, as shown in the first picking station in FIG. 4A.
- the third robot 2023 drives to the position of the high shelf 206 according to the autonomous navigation function, the identifier and the walking path of the high shelf 206 where the picking shelf 207 where the target picking container 209 is included in the control instruction,
- the target picking container 209 is obtained from the picking shelf 207 at the bottom of the high-level rack 206 and transported to the target picking station.
- the picking personnel or picking equipment 220 of the target picking station performs the picking operation according to the picking order information, as shown in the Nth picking in FIG. 4A The situation shown in the station.
- the third robot 2023 carries the target picking rack 207 as an example for description.
- the target picking rack 207 may be placed on The designated location of the target picking station for target picking
- the picking equipment or picker 220 in the station performs the picking operation according to the picking order information; after that, the third robot 2023 may continue to respond to other control instructions sent by the control server 201, that is, to disassociate the third robot 2023 from the target picking rack 207 relationship.
- the third robot 2023 can also always maintain docking with the target picking rack 207, that is, the target picking rack 207 always maintains the association relationship with the third robot 2023, that is, during the operation of the target picking rack 207, the third The three robots 2023 always wait for the operation of the target picking rack 207 to be completed at a certain position, or the target picking rack 207 is always on the third robot 2023, and the picking device or picker 220 directly performs the matching on the third robot 2023.
- Target picking shelf 207 operation is also always maintain docking with the target picking rack 207, that is, the target picking rack 207 always maintains the association relationship with the third robot 2023, that is, during the operation of the target picking rack 207, the third The three robots 2023 always wait for the operation of the target picking rack 207 to be completed at a certain position, or the target picking rack 207 is always on the third robot 2023, and the picking device or picker 220 directly performs the matching on the third robot 2023.
- the third robot 2023 may also be configured to always maintain docking with the target picking rack 207 or the target picking container 209 when the target picking rack 207 or the target picking container 209 is operated; or, the target picking rack 207 or The target picking container 209 is placed at a designated position of the target picking station, so as to wait and execute other control instructions after being placed.
- the third robot 2023 is configured to always maintain docking with the target picking shelf 207 or the target picking container 209 when the target picking shelf 207 or the target picking container 209 is operated Corresponding to the process of moving to the target picking station, see FIG.
- the specific operation process from the target picking station to the inventory area may be:
- the control server 201 detects that the target picking rack 207 or the target picking container 209 has been operated, Alternatively, after receiving the picking complete request sent by the picking personnel, the control server 201 sends a control instruction to the third robot 2023; according to the instruction of the control instruction, the third robot 2023 transports the target picking rack 207 from the target picking station to the inventory area 205 Specifically, the target picking rack 207 can be placed at the original position, that is, the bottom of the high rack 206 where the target picking rack 207 is located, as shown in the first picking station in FIG. 4B, or it can also be placed in the inventory area 205 The picking rack 206 is placed in the other bottom layer and is free High shelf 206 bottom.
- the third robot 2023 transports the target picking container 209 from the target picking station to the inventory area 205.
- the target picking container 209 can be placed at the original position, that is, the target picking container 209 is transported.
- the target picking container 209 may also be Place on other picking shelves 207.
- the robot may further include a fourth robot 2024, and the fourth robot 2024 may have the same structure as the third robot 2023. If the third robot 2023 is configured to place the target picking rack 207 or the target picking container 209 at a designated position of the target picking station, so as to wait and execute other control instructions after the placement.
- the control server 201 may be further configured to, in response to the picking completion request, determine the fourth robot 2024 carrying the target picking rack 207 or the target picking container 209, plan a walking path for the fourth robot 2024, and send to the fourth robot 2024 Control instruction;
- the fourth robot 2024 is configured to, in response to the control instruction, acquire the target picking rack 207 or the target picking container 209 from the target picking station according to the planned walking path, and transport the target picking rack 207 or the target picking container 209 to the inventory area.
- the picking completion request may be an instruction sent by a picking person or an upstream system to the control server to inform the control server that the picking task has been completed, and the target picking shelf or target picking container may be moved back to the inventory area ; It can also be caused by the detection device in the control server detecting that the picking task has been completed.
- the picker or the upstream system may send a picking complete request to the control server 201.
- the control server 201 determines the location for storing the target picking shelf 207 or the target picking container 209 according to the picking completion request, and determines the high shelf 206 where the target picking shelf 207 is located, or the picking shelf where the target picking container 209 is located 207 and the high shelf 206 where the picking shelf 207 is located; and then the control server 201 determines the fourth robot 2024 that transports the target picking shelf 207 or the target picking container 209 based on the shortest path principle and the working status of each robot, and is also the fourth robot 2024 Planning a walking path, and sending control instructions to the fourth robot 2024.
- the fourth robot 2024 drives to the position of the high rack 206 where the target picking rack 207 is located according to the autonomous navigation function, the identification and the walking path of the high rack 206 where the target picking rack 207 contained in the control instruction; and then determines
- the storage position of the target picking rack 207 at the bottom of the high-level rack 206 is the position where the target picking rack 207 is stored, and the target picking rack 207 is placed at this position.
- the position of the high-level shelf 206 is at the bottom position of the high shelf 206, and the storage position of the target picking container 209 on the picking shelf 207 is to place the target picking container 209 at this position.
- the fourth robot 2024 may place the target picking rack 207 at the original position, or it may be placed on the other high-level rack where the picking rack 206 is placed on the other bottom layer in the inventory area 205 and is free 206 Bottom layer; alternatively, the fourth robot 2024 may place the target picking container 209 at the original position, and may also place the target picking container 209 on other picking shelves 207.
- the technical solution provided by the embodiment of the present invention by overlapping the traditional stocking area and the picking area in the physical space, to form a stocking area that integrates stocking and picking, fully utilizes the existing area of the warehouse, and ensures that the warehouse can be stored. In the case of a large number of items, it does not affect the number of workstations, etc., and achieves a balance between picking efficiency and storage efficiency; at the same time, when the inventory system is running in the picking scenario, the control server, robot, etc. cooperate with each other through the inventory system , To ensure the orderly progress of the picking task.
- FIGS. 5A to 5C are working diagrams of an inventory management system integrating stock preparation and picking provided in Embodiment 4 of the present invention.
- the inventory system is operated under the loading scenario , Explain in detail how to realize the loading of high-level shelves.
- the workstation 204 is a loading station
- the upstream system when the upstream system determines that a bulk item arrives in the warehouse and needs to load the bulk item to a high shelf, it can send a loading request to the control server 201; the control server 201 responds to the loading request and bases on the loading request
- the type of medium items, current storage information and storage strategy, etc. determine the target storage container 208 for storing the bulk item, the target high-level shelf 206 for storing the storage container 208, the target loading station for performing the loading operation, and the transport target
- the third access device 2033 of the storage container 208 also plans a walking path for the third access device 2033, and sends a control instruction to the third access device 2033.
- the third access device 2033 drives to the position of the high shelf 206 where the target storage container 208 is located according to the autonomous navigation function, the identification and the walking path of the target high shelf 206 where the target storage container 208 contained in the control instruction Then, according to the target storage container 208 identification, the target storage container 208 is taken out from the target high shelf 206 and transported to the target loading station; and then the target storage container 208 can be placed at the designated location of the target loading station for the target to load The loading equipment or the loading personnel 230 in the station performs the loading operation on it.
- the third access device 2033 is configured to always maintain docking with the target storage container 208 during the operation of the target storage container 208, when the control server 201 detects that the target storage container 208 has been operated, or, the control server 201 After receiving the loading completion request sent by the loading personnel, it sends a control instruction to the third access device 2033; according to the instruction of the control instruction, the third access device 2033 moves the target storage container 208 from the target loading station to the inventory In area 205, specifically The target storage container 208 is placed at the original position, that is, the target storage container 208 is moved to the position of the target high shelf 206 where it is located, and then the target storage container 208 is placed on the target high shelf 206, as shown in FIG. 5B.
- the target storage container 208 can also be placed on other high-level shelves 206 (not shown in FIG. 2G)
- the control server 201 may be configured to respond to the loading completion request based on The delivery completion request determines the high shelf 206 storing the target storage container 208 and the location of the target storage container 208 on the high shelf 206; and then the control server 201 determines to store in the target storage container 208 based on the principle of the shortest path and the working status of each access device
- the fourth access device 2034 at the same time planning a walking path for the fourth access device 2034, and sending a control instruction to the fourth access device 2034.
- the fourth access device 2034 drives to the position of the high shelf 206 according to the autonomous navigation function, the high shelf 206 identifier and the walking path of the target storage container 208 contained in the control instruction; and then places the target storage container 208 On the high shelf 206.
- the fourth access device 2034 may place the target storage container 208 in the original location, or may place the target storage container 208 on other high-level shelves 206.
- the technical solution provided by the embodiment of the present invention by overlapping the traditional stocking area and the picking area in physical space, to form a stocking area that integrates stocking and picking, fully utilizes the existing area of the warehouse, and ensures that the warehouse can In the case of storing a large number of items, it does not affect the number of workstations and the like, achieving a balance between picking efficiency and storage efficiency; at the same time, when the inventory system is running in the loading scenario, the server and access are controlled through the inventory system The equipment cooperates with each other to ensure that the loading task can be carried out in an orderly manner.
- FIGS. 6A and 6B are schematic flowcharts of an inventory management method integrating stock preparation and picking provided in Embodiment 5 of the present invention.
- This method can be performed by the inventory system integrating stock preparation and picking in the above embodiment.
- the inventory management method integrating stock preparation and picking in an embodiment of the invention can be applied to a warehouse environment with a fixed area, how to balance the picking efficiency and storage efficiency of the warehouse, and is particularly suitable for picking, replenishing or other operation scenarios , The operation of items located in the inventory area.
- the workstations correspond to different names in different operation scenarios.
- the replenishment station, picking station, and loading station can reuse the same workstation. In the replenishment scenario, the workstation serves as the replenishment station.
- an embodiment of the present invention that integrates stock preparation and picking into an integrated inventory management method may include:
- the control server determines the target picking shelf where the stock items to be restocked are located, the first robot that transports the target picking shelf, the target storage container that provides replenishment for the target picking shelf, and is used to store the target storage The target high-level shelf of the container, the first access device for taking out the target storage container, and the target replenishment station for implementing the replenishment operation, plan the walking path for the first robot and the first access device, and direct the first robot and the first An access device sends the first control command.
- the target high-level shelf and the target are located in an inventory area integrating stock preparation and picking.
- the inventory area includes multiple high-level shelves and multiple picking shelves. Any high-level shelf among the multiple high-level shelves includes at least one shelf and at least one The shelf divides the high-level shelf into at least two layers. The bottom layer of at least one high-level shelf among the plurality of high-level shelves places the sorting shelf, and the other layers except the bottom layer of the sorting shelf each place at least one storage container.
- the storage container contains Provide inventory items for replenishment of picking shelves. Picking shelves contain available inventory items for picking.
- the access device is a narrow lane unmanned forklift, and the exit direction of the narrow lane unmanned forklift is perpendicular to the traveling direction.
- the first robot In response to the first control instruction, the first robot walks to the target high-level shelf position according to the planned walking path, identifies the target high-level shelf from the bottom of the high-level shelf, and transports it to the target replenishment station.
- the first access device travels to the target high-level shelf position according to the planned walking path, and takes out the target storage container from the target high-level shelf and transports it to the target replenishment station.
- the replenishment equipment or replenishment personnel in the target replenishment station obtains items from the target storage container according to the replenishment requirements and places them on the target picking shelf.
- the picking shelf includes at least one shelf, the at least one shelf divides the picking shelf into at least two layers, and each layer of the picking shelf places at least one picking container in the picking container It contains inventory items that can be picked;
- the inventory management method that integrates stock preparation and picking in the embodiment of the present invention further includes:
- the control server determines the target picking container where the inventory item to be replenished is located, the picking shelf where the target picking container is located, and the first robot that transports the target picking container, plans a walking path for the first robot, and directs the first
- the robot sends the first control command;
- the first robot walks to the position of the picking shelf where the target picking container is located according to the planned walking path, identifies the target picking container from the picking shelf, and transports it to the target workstation.
- the first robot can carry the target picking shelf, and can also carry the target machine selecting container. But at the same time, a robot can only handle one of them.
- the inventory management method integrating stock preparation and picking in the embodiment of the present invention may further include:
- control server After detecting that the target storage container and the target picking rack have been operated, the control server sends a second control instruction to the first robot and the first access device.
- control server detects that the target storage container and the target picking container have been operated, and sends a second control instruction to the first robot and the first access device.
- the first robot transports the target picking shelf from the target replenishment station to the inventory area.
- the first robot transports the target picking container from the target replenishment station to the inventory area.
- the first access device transports the target storage container from the target replenishment station to the inventory area in response to the second control instruction.
- the first access device in response to the first control instruction, travels to the target high shelf position according to the planned walking path, and removes and transports the target storage container from the target high shelf After reaching the target workstation, it may further include: the control server sends a placement instruction to the first robot and the first access device; in response to the placement instruction, the first robot places the target picking shelf or target picking container at the target replenishment station Specify a location to wait and execute other control instructions after placement; and the first access device responds to the placement instruction and places the target storage container at the designated location of the target replenishment station so as to wait and execute other control instructions after placement,
- the inventory management method integrating stocking and picking in the embodiment of the present invention may further include:
- the control server determines the second access device for storing in the target storage container and the second robot for transporting the target picking shelf, and plans walking for the second robot and the second access device Path to send a third control instruction to the second robot and the second access device.
- the control server determines the second access device for storing in the target storage container and the second robot for transporting the target picking container, and plans walking for the second robot and the second access device Path to send a third control instruction to the second robot and the second access device.
- the second robot obtains the target picking shelf from the target replenishment station according to the planned walking path, and transports the target picking shelf to the inventory area.
- the second robot obtains the target picking container from the target replenishment station according to the planned walking path, and transports the target picking container to the inventory area.
- the second access device obtains the target storage container from the target work station according to the planned walking path, and transports the target storage container to the inventory area.
- the embodiment of the present invention integrates stocking and picking into one Inventory management methods can also include:
- the control server determines the target picking shelf where the inventory items to be replenished are located, the target storage container that provides replenishment for the target picking shelf, the target high-level shelf for storing the target storage container, and the target for taking out the target
- the first access device of the storage container planning a walking path for the first access device, and sending a fourth control instruction to the first access device;
- the first access device travels to the target high shelf position according to the planned walking path, takes the target storage container from the target high shelf and transports it to the target picking shelf location, and places the target tray on the target Pick on the shelf.
- the sorting shelf may be a pallet shelf or a partition shelf.
- the pallet rack can also be referred to as a beam rack, which refers to a heavy rack that can hold pallets, and is connected by horizontal, vertical tie bars, beams, and other members.
- FIG. 7A is a schematic structural diagram of a pallet rack provided by an embodiment of the present invention. Among them, 710 in the figure is a pallet, and each pallet can hold one or more items 7. The type, specification, and size of the pallet in the pallet shelf can be determined according to the actual storage specifications and weight of the items.
- the pallet rack includes one or more vertical rods 720 as a supporting portion.
- the control server when the control server detects that there are available pallet racks in the inventory area, and there is only one available pallet rack, the pallet rack can be used as the picking rack, and the control server can be idle from the picking area according to the optimal path principle Select one first robot among all first robots; if there are multiple pallet racks, the control server can select an empty pallet rack from the inventory area as the picking rack according to the actual replenishment quantity, etc., and establish the pallet rack and the items Correlation between replenishment tasks Relationship, and according to the principle of optimal path, calculate the distance between all the first robots in the idle state in the inventory area and the pallet shelf to determine the first robot.
- the operation after sending the handling instruction to the first robot may include:
- the first robot transports the partition shelf to the target replenishment station according to the instructions of the transportation instruction, so that the items associated with the replenishment task are removed and put on the target partition shelf.
- the partition shelf is formed by stacking a plurality of fixed partitions along the vertical direction. Due to the limitation of the partitions in the partition shelf, the items cannot be put on the shelf according to the original packaging.
- the partition shelf includes a plurality of compartments stacked in the vertical direction, and each compartment can accommodate a plurality of items 7, of course, the items 7 can also be stored in a storage container.
- the partition shelf includes one or more support portions 702.
- the article 7 may also be suspended from a hook or rod in or on the shelf. Article 7 can be placed on the inner or outer surface of the shelf in any suitable manner on the shelf.
- the zero-removal instruction refers to an instruction triggered by a picker located in the target replenishment station, used to inform the control server that there is a worker at the target replenishment station, and can dispatch the first robot to move the partition shelf to the target replenishment station so that the picker will
- the items associated with the replenishment tasks in the replenishment area are torn down and put on shelves.
- the control server may randomly select an empty partition shelf from the storage area and establish the partition shelf
- the relationship between the replenishment tasks according to the optimal path principle, select a first robot from all the first robots in the idle state, and determine the path planning between the first robot and the partition shelf position and the A path plan from the position of the partition shelf to the position of the item associated with the replenishment task at the target replenishment station, and a transport instruction including the above path plan is sent to the first robot.
- the first robot responds to the transport instruction according to The transport instruction refers to 7F transporting the partition shelf to the location of the target replenishment station. It should be noted that at this time, the bulkhead rack carried by the first robot is empty.
- the picker After the first robot transports the shelf to the target replenishment station, the picker will perform the zero-removal operation until all items associated with the replenishment task are placed on the shelf.
- the control server sends a shelf handling instruction to the first robot.
- the first robot transports the partition shelf carrying the items to the inventory area.
- the shelf transfer instruction is sent to the first robot; in response to the shelf transfer instruction, the first robot transports the partition shelf carrying the items to the inventory area, so as to realize automatic replenishment.
- a partition shelf is selected for demolition and racking, so as to realize automatic replenishment, increase the flexibility of replenishment, and increase the efficiency of replenishment and picking , Reduced labor costs.
- the quantity that one pallet shelf can carry is less than the actual replenishment quantity of the item.
- the partition shelf carries the items related to the replenishment task and realizes the automatic replenishment of the technical solution provided by the embodiment of the present invention.
- the inventory area makes full use of the existing area of the warehouse, which not only guarantees that the warehouse can store a large number of items, but also does not affect the number of workstations; at the same time, the inventory area is coordinated with the control server, robot, and access equipment in the inventory system.
- the operation of the high-level shelves and the operation of the picking shelves do not affect each other in the physical space and proceed in an orderly manner, thereby achieving a balance between picking efficiency and storage efficiency.
- Embodiment 6 of the present invention also provides an inventory area that integrates stock preparation and picking.
- the inventory area may include multiple high-level shelves and multiple picking shelves, each high-level Each high-level shelf in the shelf can be arranged into a rectangular high-level shelf group.
- the high-level shelf group and the high-level shelf group can be arranged in an array in the form of an array.
- the gap between the arrays is the access device or robot Mobile channel.
- any high-level shelf in the plurality of high-level shelves may include at least one shelf, and the at least one shelf plate divides the high-level shelf into at least two layers; the bottom of at least one high-level shelf among the multiple high-level shelves is the sorting shelf, except for the placement At least one storage container is placed on each layer other than the bottom layer of the picking shelf.
- at least one sorting shelf is placed on the bottom layer of at least one high-level shelf.
- the storage container stores stored items that provide replenishment for picking shelves.
- the storage container may be a tray, a bin, or may be a customized container adapted to store corresponding items.
- the storage container is a tray.
- the picking shelves contain stock items that can be picked.
- the picking shelf includes at least one shelf, and the at least one shelf divides the picking shelf into at least two layers; each layer of the picking shelf places at least one picking container, and the picking container contains inventory items that can be picked.
- the picked items can be placed directly on the picking shelf, or can be placed in the picking container, and the picking container is placed in the picking shelf.
- the picking container can be, for example, a bin, a carton, a tote, or a custom container that can be adapted to store corresponding items.
- the picking shelf may be a common picking shelf as shown in FIG. 2B or a pallet shelf; in an actual application scenario, a pallet shelf and a common picking shelf may exist at the same time.
- the high-level shelf or the sorting shelf includes a plurality of shelves stacked in the vertical direction; for the high-level shelf, each shelf can store one or more storage containers; For picking shelves, one or more picking containers can be stored on each shelf, or one or more stock items can be placed.
- the technical solution provided by the embodiment of the present invention by overlapping the traditional stocking area and the picking area in physical space, to form a stocking area that integrates stocking and picking, fully utilizes the existing area of the warehouse, and ensures that the warehouse can In the case of storing a large number of items, it does not affect the number of workstations and the like, achieving a balance between picking efficiency and storage efficiency.
- the serial numbers of the above embodiments are for description only, and do not represent the advantages and disadvantages of the embodiments.
- modules or operations of the embodiments of the present invention described above can be implemented by a general-purpose computing device, and they can be concentrated on a single computing device or distributed on a network composed of multiple computing devices Alternatively, they can be implemented with program code executable by a computer device, so that they can be stored in a storage device to be executed by a computing device, or they can be separately made into individual integrated circuit modules, or many of them Each module or operation is implemented as a single integrated circuit module. In this way, the present invention is not limited to any specific combination of hardware and software.
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Abstract
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Priority Applications (4)
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| JP2021523017A JP7018547B2 (ja) | 2018-10-26 | 2019-08-23 | 物品の準備と仕分けとを一体に統合する在庫管理システムおよび方法 |
| EP19877320.2A EP3872009A4 (en) | 2018-10-26 | 2019-08-23 | INVENTORY REGION INCLUDING GOODS PREPARATION AND PICKING, AND INVENTORY MANAGEMENT SYSTEM AND METHOD |
| US17/288,820 US12330873B2 (en) | 2018-10-26 | 2019-08-23 | Inventory region integrating goods preparation and picking, and inventory management system and method |
| US19/180,330 US20250236463A1 (en) | 2018-10-26 | 2025-04-16 | Storage system for automatic replenishment and method for automatic replenishment |
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| CN201811261310.3 | 2018-10-26 | ||
| CN201811261310.3A CN109160169B (zh) | 2018-10-26 | 2018-10-26 | 自动补货的仓储系统和自动补货方法 |
| CN201910285592.9 | 2019-04-10 | ||
| CN201910285592.9A CN109911503B (zh) | 2019-04-10 | 2019-04-10 | 集备货和拣选为一体的库存区域、库存管理系统及方法 |
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| US19/180,330 Continuation US20250236463A1 (en) | 2018-10-26 | 2025-04-16 | Storage system for automatic replenishment and method for automatic replenishment |
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| CN109255569B (zh) | 2018-08-24 | 2021-03-12 | 北京极智嘉科技有限公司 | 库内理货方法、装置、服务器和存储介质 |
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| EP3872009A4 (en) | 2018-10-26 | 2022-09-28 | Beijing Geekplus Technology Co., Ltd. | INVENTORY REGION INCLUDING GOODS PREPARATION AND PICKING, AND INVENTORY MANAGEMENT SYSTEM AND METHOD |
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- 2019-08-23 EP EP19877320.2A patent/EP3872009A4/en active Pending
- 2019-08-23 WO PCT/CN2019/102365 patent/WO2020082881A1/zh not_active Ceased
- 2019-08-23 JP JP2021523017A patent/JP7018547B2/ja active Active
- 2019-08-23 US US17/288,820 patent/US12330873B2/en active Active
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- 2025-04-16 US US19/180,330 patent/US20250236463A1/en active Pending
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Cited By (2)
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| US12330873B2 (en) | 2018-10-26 | 2025-06-17 | Beijing Geekplus Technology Co. Ltd. | Inventory region integrating goods preparation and picking, and inventory management system and method |
| CN119911591A (zh) * | 2025-04-02 | 2025-05-02 | 杭州海康机器人股份有限公司 | 一种仓储系统及物料拣选方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250236463A1 (en) | 2025-07-24 |
| EP3872009A4 (en) | 2022-09-28 |
| US20210395012A1 (en) | 2021-12-23 |
| EP3872009A1 (en) | 2021-09-01 |
| JP2021529712A (ja) | 2021-11-04 |
| US12330873B2 (en) | 2025-06-17 |
| JP7018547B2 (ja) | 2022-02-10 |
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