WO2022095592A1

WO2022095592A1 - Warehouse management system and method

Info

Publication number: WO2022095592A1
Application number: PCT/CN2021/117381
Authority: WO
Inventors: 俞晓刚; 李洪波
Original assignee: 北京极智嘉科技股份有限公司
Priority date: 2020-11-05
Filing date: 2021-09-09
Publication date: 2022-05-12
Also published as: CN112215557A

Abstract

A warehouse management system and a method, the warehouse management system comprising: a control server (110), configured to send a storage container (131) transport instruction to a first transport device (140), and send an order container (160) transport instruction to a second transport device (150); a first transport device (140), configured to collect, in response to the storage container (131) transport instruction, a target storage container (131) from the storage location in which said container is located, and transport same to a target workstation (120); a target workstation (120), configured to determine that an item has been collected from the target storage container (131) and placed into a target order container (160), and then report picking task completion to the control server (110); a second transport device (150), configured to transport, in response to the order container (160) transport instruction, the target order container (160) to the target workstation (120), and after the picking task is completed, transport the target order container (160) away from the target workstation (120), and/or, in response to the order container (160) transport instruction, travel to the target workstation (120), and collect a target order container (160) for which the picking task has already been completed from the target workstation (120).

Description

Warehouse management system and method

This application claims the priority of the Chinese patent application with the application number 202011221952.8 and the invention titled "Warehouse Management System and Method" filed with the China Patent Office on November 05, 2020, the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the field of warehousing technology, in particular to a warehousing management system and method.

Background technique

With the rapid development of e-commerce, e-commerce plays an increasingly important role in consumers' lives. The number of user orders increases exponentially every year, and the processing capacity of warehouse management is also undergoing severe tests.

In the existing warehouse management system, according to the order task, a racking robot or a bin robot is selected to transport the inventory containers from the storage area to the workstation, and the goods are picked into the order bins at the workstation to complete the work of picking and packaging the goods, and then pass through the conveyor belt. Waiting for the transmission device to transfer the order container to the next processing point for subsequent operations, but setting up the transmission device in the warehousing environment requires a larger space, and the cost of the transmission device is also relatively large.

Therefore, how to solve the above problems has become an urgent problem to be solved by the technicians.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present application provide a warehouse management system and method to solve the technical defects existing in the prior art.

According to a first aspect of the embodiments of the present application, a warehouse management system is provided, the system includes: a control server, an inventory container, a first handling device, a second handling device, a workstation, and an order container, the first handling device and the second handling equipment are respectively connected to the control server in communication; wherein,

The control server is configured to send an inventory container handling instruction to the first handling device and an order container handling instruction to the second handling device according to the order;

the first handling device configured to remove and transport a target inventory container from its storage location to a target workstation in response to the inventory container handling instruction;

The target workstation is configured to report the completion of the picking task corresponding to the order to the control server after determining that the goods are picked up from the target inventory container and put into the target order container;

the second handling device, configured to handle a target order container to the target workstation in response to the order container handling instruction, and to move the target order container away from the target workstation after a picking task is completed, and/or Or, in response to the order container handling instruction, travel to the target workstation, take out the target order container that has completed the picking task from the target workstation, and carry the target order container away from the target workstation.

Optionally, the target workstation is configured with a temporary storage mechanism, and the target order container is located on the temporary storage mechanism;

The second handling device is further configured to, in response to the order container handling instruction, move the target order container to the target workstation and place it on the temporary storage mechanism, and after the picking task is completed, from the temporary storage Mechanically remove the target order container and carry the target order container away from the target workstation, and/or, in response to the order container removal instruction, travel to the target workstation and remove the target order container from the escrow mechanism. the target order container and carry the target order container away from the target workstation.

Optionally, the temporary storage mechanism is a temporary storage rack or a roller track.

Optionally, a buffer rack is fixedly connected or detachably connected to the second handling robot, and a plurality of order containers can be buffered on the buffer rack.

Optionally, different order containers can be bound to different orders or bound to the same order.

Optionally, the inventory container is a movable inventory shelf or a material box located on the inventory shelf.

Optionally, the first handling device is a rack handling robot or a bin handling robot.

Optionally, the order container is a material box.

Optionally, the second handling device is a container handling robot.

Optionally, the inventory shelves are intensive storage shelves or non-intensive storage shelves.

According to a second aspect of the embodiments of the present application, a warehouse management method is provided, including:

The control server sends the inventory container handling instruction to the first handling device according to the order, and sends the order container handling instruction to the second handling device;

The first handling device takes out the target inventory container from its storage location and transports it to the target workstation in response to the inventory container handling instruction;

After determining that the goods are picked up from the target inventory container and put into the target order container, the target workstation reports the completion of the picking task corresponding to the order to the control server;

The second handling device, in response to the order container handling instruction, handles the target order container to the target workstation, and after the picking task is completed, moves the target order container away from the target workstation, and/or, in response to The order container handling instruction is to drive to the target workstation, take out the target order container that has completed the picking task from the target workstation, and carry the target order container away from the target workstation.

The second handling device, in response to the order container handling instruction, moves the target order container to the target workstation and places it on the temporary storage mechanism, and after the picking task is completed, takes out the temporary storage mechanism. target order container and carry the target order container away from the target workstation, and/or, in response to the order container carrying instruction, travel to the target workstation, take the target order container from the escrow mechanism and The target order container is carried away from the target workstation.

Optionally, the order container is a material box.

Optionally, the second handling device is a container handling robot.

Optionally, the inventory shelves are intensive storage shelves or non-intensive storage shelves

In the warehouse management system provided in the embodiment of the present application, the target inventory container is transported to the target workstation by the first handling device, the order picking task is completed at the target workstation, the goods are picked from the target inventory container to the target order container, and the second The handling equipment transports the target order container from the target workstation to the designated position. The acquisition and picking system provided by this application does not require a large site, and also avoids large cost investment, and the use is very flexible, and the equipment can be expanded at any time. Improve the efficiency of warehouse management.

Description of drawings

1 is a schematic structural diagram of a warehouse management system provided by an embodiment of the present application;

2 is a schematic top view of a storage area provided by an embodiment of the present application;

3 is a schematic diagram of a rack handling robot for handling a rack provided by an embodiment of the present application;

4 is a schematic diagram of a bin handling robot for handling a bin provided by an embodiment of the present application;

FIG. 5 is a flowchart of a warehouse management method provided by an embodiment of the present application.

Detailed ways

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

The terminology used in one or more embodiments of the present application is for the purpose of describing a particular embodiment only, and is not intended to limit the one or more embodiments of the present application. As used in one or more embodiments of this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used in one or more embodiments of this application is meant to include any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, etc. may be used in one or more embodiments of the present application to describe various information, such information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other. For example, the first could be termed the second, and similarly the second could be termed the first, without departing from the scope of one or more embodiments of the present application. Depending on the context, the word "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determining."

In the present application, a warehouse management system and method are provided, which are described in detail in the following embodiments one by one.

1 shows a schematic structural diagram of a warehouse management system provided by an embodiment of the present application. The system includes: a control server 110, a workstation 120, a storage area 130, a first handling device 140, a second handling device 150, and an order container 160, The inventory container 131 is located in the storage area 130, and the storage area 130 may be intensive storage or non-intensive storage.

The control server 110 is connected in wireless communication with the first handling device 140 and/or the second handling device 150, and the staff operates the control server 110 through the console 114 to work, and the control server 110 runs on the server and has data storage, information The software system of processing capability can be wirelessly connected with the first handling device 140 and the second handling device 150, the software system of the workstation 120, etc. The control server 110 can include one or more servers, which can be a centralized control architecture or a distributed In terms of computing architecture, the control server 110 has a processor 111 and a memory 112. The memory 112 may have an order pool 113, and the order pool 113 stores order information.

The storage area 130 may be a dense storage area or a non-intensive storage area. Referring to FIG. 2 , FIG. 2 shows a schematic top view of the storage area, and (a) in FIG. 2 shows a top schematic view of the dense storage area. (b) in 2 shows the top view of the non-intensive storage area. In the dense storage area, multiple stock containers are stored together. When accessing the inner stock container, the outer stock container needs to be removed first. When picking and placing stock containers in the storage area, stock containers can be accessed directly in the aisle. A plurality of stock containers 131 are provided in the storage area 130, goods are placed in the stock containers, and passages for the first handling equipment to travel and access the stock containers are provided between the plurality of stock containers, and the stock containers 131 are movable. Inventory racks or bins located on the inventory racks can also be pallets stacked in intensive storage. When the inventory containers are bins, the inventory racks where the bins are located are movable or immovable. Inventory container 131 is provided with readable indicia for identification by identification means on the first handling device to determine the location of said inventory container 131 and/or inventory container information.

The first handling equipment is a handling equipment for handling the inventory container 131. When the inventory container 131 is a shelf, the first handling equipment is a shelf handling equipment, and further, the first handling equipment is a shelf handling robot, see FIG. 3, FIG. 3 shows the A schematic diagram of a rack handling robot used for handling racks in a specific example of the present application. As shown in FIG. 3, the handling robot includes an upward camera to identify the rack, so that the butt joint connected to the lifting mechanism on the rack handling robot is in the lifting position. When the mechanism is lifted, it is docked with the stock container, and the rack is lifted to lift the rack from the ground. When the stock container 131 is a bin, the first handling device is a bin handling device, and further is a bin handling robot.

Referring to FIG. 4 , FIG. 4 shows a schematic diagram of a bin handling robot for handling a bin in a specific embodiment of the present application, and (a) in FIG. 4 shows a bin handling robot for a single bin. The bin handling robot of the box includes a robot body 401, a grasping mechanism 402, and a lifting mechanism 403; (b) in FIG. 4 shows a bin handling robot with multiple bins, and the bin handling robot with multiple bins includes a robot body. 401, a grabbing mechanism 402, a lifting mechanism 403, a docking mechanism (not shown in the figure), and a buffer frame 404, the buffer frame 404 can be fixedly connected or detachably connected to the handling robot.

As shown in (a) and (b) of FIG. 4 , the lifting mechanism 403 and the docking mechanism are fixed on the equipment body 401 , the grasping mechanism 402 is supported on the lifting mechanism 403 , and the lifting mechanism 403 is used to drive the grasping mechanism 402 to rise Or descend to the height of the target cargo container to be grabbed. The size of the grabbing mechanism 402 can be adaptively adjusted according to the size of the material box being grabbed. The grasping mechanism 402 may be a clamp-on mechanism, or may be other types of mechanisms.

As shown in (b) of FIG. 4 , the cache rack 404 is fixedly connected or detachably connected to the device body 401 and is used to store multiple order containers. The robot body 401 and the cache rack 404 are detachable (separable, detachable, separable). Specifically, the docking mechanism can be docked or undocked with the buffer rack 404 . The container handling robot may also include electronic equipment for communicating with the control module and controlling the equipment body 401, the lifting mechanism 403, the grasping mechanism 402, and the docking mechanism to perform corresponding actions. The electronic equipment is shown in Fig. 4(a) and (b) are not shown.

The workstation 120 is a picking area. After the inventory container 131 is transported to the workstation 120, the staff or the robotic arm of the workstation 120 takes out the goods in the inventory container 131 for scanning according to the order prompt information, and picks them into the order container 160. After the order is processed, the control server 110 pushes the next order to the workstation 120. The workstation 120 may have a temporary storage mechanism (not shown), and the temporary storage mechanism is a temporary storage rack or a roller line.

The order container 160 is a container for storing the goods corresponding to the order. The goods in the order are picked by the staff or the robot arm into the order container 160. The order container 160 can be stored on the temporary storage mechanism at the workstation 120, or can be transported by the second The equipment 150 is transported to the workstation 120 .

The second handling device 150 is a handling device for handling the order container 160. The order container 160 can be transported to the workstation 120, and the order container 160 can also be transported from the workstation 120 to a designated position. Specifically, the order container is a material box. Correspondingly, The second handling equipment is a material box handling equipment, and further can be a material box handling robot. For the specific description of the second handling equipment, please refer to the description of the material box handling robot in the above-mentioned first handling equipment. The second handling device 150 may be a single-material box handling robot or a multi-material box handling robot. When the second handling device 150 is a single-material box handling robot, one order container 160 is transported at a time, and when the second handling device 150 is a single-material container handling robot In the case of a multi-box handling robot, a buffer rack is fixedly connected or detachably connected to the multi-box handling robot, and a plurality of order containers can be buffered on the buffer rack, which can be transported in at least one workstation at a time. The order container 160 improves the handling efficiency. In practical applications, different order containers can be bound to different orders or bound to the same order, and the order container is transported to the workstation and the second handling of the order container from the workstation to a designated location. The equipment can be the same second handling equipment or different handling equipment. Similarly, the same second handling equipment can move the order container to the workstation in a certain handling task, or it can be used in another handling task. The order container is transported from the work station to the designated position, and in addition, in the present application, the number of the second transport equipment is not limited.

The first handling device 140 and the second handling device 150 are both under the control of the control server 110 to perform the task of handling the inventory container 131 and the order container 160, and the first handling device 140 and the second handling device 150 can use any navigation method Or a combination of multiple navigation methods, which can be Simultaneous Localization And Mapping (SLAM), or navigation based on vision. When the navigation based on vision is used, the first handling device 140 and the second The handling device 150 further includes a navigation identification component for identifying navigation marks (such as two-dimensional codes) laid on the ground. In an example, the first handling device 140 and the second handling device 150 at least include a downward camera, Driving forward according to the navigation mark captured by the downward camera, the driving routes of the first handling device 140 and the second handling device 150 are planned and generated by the control server 110 .

Example 1

In the first embodiment provided by the present application, the warehouse management system provided by the present application is further explained by taking the stock container 131 as the stock bin B and the order container stored on the temporary storage shelf of the workstation as an example.

The control server 110 is configured to determine, according to the order request, a target inventory bin B, a first storage location of the target inventory bin B, a first bin handling robot C1 for transporting the target inventory bin B, The target workstation W1, the target order material box M, and the second material box handling robot C2 for transporting the target order material box M, wherein the target order material box M is stored on the temporary storage rack at the target workstation W1, and is sent to the The first container handling robot C1 sends an inventory container handling instruction, an order container handling instruction to the second container handling robot C2, and an order picking task corresponding to the order request to the target workstation W1.

The first bin handling robot C1 is configured to, in response to the inventory container handling instruction, move to the first storage position of the target inventory bin B, take out the target inventory bin B, and transfer the target inventory bin B. The target stock bin B is transported to the target workstation W1.

According to the order picking task, the workers in the target workstation W1 take out the goods required in the order from the target inventory bin B and put them into the target order bin M, and the target order bin M is stored in the target workstation W1. On the temporary storage shelf, when the order picking task is completed, a completion instruction of the order picking task is sent to the control server 110 .

The second container handling robot C2 is configured to, in response to the order container handling instruction, take out the target order container M from the temporary storage rack, and transport it to a designated position.

The system further includes: the control server 110 is further configured to, in response to a completion instruction of the order picking task, determine a second storage location of the target inventory bin B, and transport it to the first bin The robot C1 sends the fourth transport instruction. It should be noted that the second storage location and the first storage location may be the same storage location, or may be different storage locations.

The first case handling robot C1 is further configured to move the target stock case B from the target workstation W1 to a second storage location in response to the fourth handling instruction.

The warehouse management system provided by the first embodiment of the present application controls the first container handling robot C1 to transport the target stock container B from the storage area to the workstation W1, completes the task of picking goods at the workstation W1, and picks the goods to the target order container In M, the target order material box M is stored on the temporary storage rack of the workstation W1, and the second material box handling robot C2 transports the target order material box M that has completed the picking task from the temporary storage rack to the designated position, and executes the subsequent Operation, the warehouse management system provided in this embodiment makes full use of the flexible and convenient characteristics of the container handling robot, improves the picking efficiency of goods, saves space, and reduces the cost investment, and can also expand the equipment at any time.

Embodiment 2

In the second embodiment provided by the present application, the warehouse management system provided by the present application is further explained by taking the inventory container 131 as the shelf T and the order container being transported to the workstation by the second handling equipment as an example.

The control server 110 is configured to determine the target rack T, the first storage location of the target rack T, the rack handling robot P for transporting the target rack T, the target workstation W2, and the target order material box M according to the order request. and the container handling robot C for handling the target order container M, send the inventory container handling instruction to the rack handling robot P, send the order picking task corresponding to the order request to the workstation W2, and send the order picking task to the rack handling robot P The container handling robot C sends an order container handling instruction.

The rack transfer robot P is configured to move to the first storage position of the target rack T in response to the stock container transfer instruction, take out the target rack T, and transfer the target rack T to the Target workstation W2.

The container handling robot C is configured to transport the target order container M to the target workstation W2 in response to the order container handling instruction.

In the target workstation W2, an automated device (such as a robotic arm) with a grabbing function takes out the goods described in the order from the target shelf T according to the order picking task, and puts them into the target order material box M, the target The order container M is placed on the container handling robot C, and when the order picking task is completed, a completion instruction of the order picking task is sent to the control server 110 .

The control server 110 is further configured to, in response to the completion instruction of the order picking task, determine the second storage location of the target rack T, and send the information to the container handling robot C for handling the target order container M. When sending an order container handling instruction and sending a fourth handling instruction to the rack handling robot P, it should be noted that the second storage location and the first storage location may be the same storage location or different storage locations.

The rack transfer robot P is configured to transfer the target rack T from the workstation W2 to the second storage location in response to the fourth transfer instruction.

The container handling robot C is further configured to take out the target order container M from the workstation W2 in response to the order container handling instruction, and place it on the temporary storage mechanism of the container handling robot C, And carry the target order material box M away from the target workstation to a designated position.

The warehouse management system provided by the second embodiment of the present application controls the rack transport robot P to transport the target rack T from the storage area to the workstation W2, and controls the bin transport robot C to transport the target order bin M to the workstation W2. To complete the task of picking goods, pick the goods on the target shelf T into the target order bin M. After the picking of goods is completed, the shelf handling robot P will move the target shelf T from the workstation W2 back to the storage area, and the container handling robot C will move the goods to the storage area. The target order material box is transported from the workstation W2 to the designated position, and the subsequent operations are performed. The warehouse management system provided in this embodiment makes full use of the universality of the rack handling robot and the flexibility, convenience, and high hit rate of the material box handling robot. Features, improve the picking efficiency of goods, and save space, thereby reducing cost input, and at the same time, equipment can be expanded at any time.

Embodiment 3

In the third embodiment provided by the present application, the warehouse management system provided by the present application is further explained by taking the storage container 131 as the shelf T and the order container being stored on the roller line of the workstation as an example.

The control server 110 is configured to determine the target rack T, the first storage location of the target rack T, the rack handling robot P for transporting the target rack T, the target workstation W3, and the target order material box M according to the order request. and the container handling robot C for handling the target order container M, send the inventory container handling instruction to the rack handling robot P, and send the order picking task corresponding to the order request to the workstation W3.

The rack transfer robot P is configured to move to the first storage position of the target rack T in response to the stock container transfer instruction, take out the target rack T, and transfer the target rack T to the Target workstation W3.

In the target workstation W3, according to the order picking task, the staff takes out the goods required in the order from the target shelf T, and puts them into the target order material box M, and the target order material box M is stored in the On the roller table line of the target workstation W3, when the order picking task is completed, a completion instruction of the order picking task is sent to the control server 110.

The control server 110 is further configured to, in response to the completion instruction of the order picking task, determine the second storage location of the target rack T, and send the information to the container handling robot C for handling the target order container M. Send an order container handling instruction and send a fourth handling instruction to the rack handling robot P.

The rack transfer robot P is configured to transfer the target rack T from the workstation W3 to the second storage location in response to the fourth transfer instruction.

The container handling robot C is further configured to transport the target order container M from the workstation W3 to a designated position in response to the order container handling instruction.

The warehouse management system provided by the third embodiment of the present application controls the rack transport robot P to transport the target rack T from the storage area to the workstation W3, completes the task of picking goods at the workstation W3, and picks the goods into the target order bin M, and the target order The material box M is stored on the roller table of the workstation W3. When the picking task is completed, the rack handling robot P is controlled to move the target rack T from the workstation W3 back to the storage area, and the material box handling robot C is controlled to move the target order material box M from the workstation. The W3 is transported to the designated position and the subsequent operations are performed. The warehouse management system provided in this embodiment makes full use of the universality of the rack handling robot and the flexibility, convenience and high hit rate of the bin handling robot, improving the picking of goods. Efficiency and space saving, thereby reducing the cost investment, and at the same time, the equipment can be expanded at any time.

Embodiment 4

FIG. 5 shows a flowchart of a warehouse management method provided by the fourth embodiment of the present application. The method can be executed by the warehouse management system shown in FIG. 1 and is suitable for intensive storage environments and non-intensive storage environments. The method The applied scenario includes at least a workstation, a storage area, a first handling device, and a second handling device, where the first handling device is used to move the inventory containers in the storage area to the workstation, and the second handling device is used to complete the work at the workstation. The order container of the picking task is transported to a designated position, and the warehouse management method includes:

Step 502: The control server sends an inventory container handling instruction to the first handling device and an order container handling instruction to the second handling device according to the order.

Step 504: In response to the inventory container handling instruction, the first handling device takes out the target inventory container from its storage location and moves it to the target workstation.

Step 506: After determining that the goods are picked up from the target inventory container and put into the target order container, the target workstation reports the completion of the picking task corresponding to the order to the control server.

Step 508: The second handling device, in response to the order container handling instruction, moves the target order container to the target workstation, and after the picking task is completed, moves the target order container away from the target workstation, and/or , in response to the order container handling instruction, travel to the target workstation, take out the target order container that has completed the picking task from the target workstation, and carry the target order container away from the target workstation.

Optionally, the order container is a material box.

Optionally, the second handling device is a container handling robot.

In the warehouse management method provided by the fourth embodiment of the present application, the first handling device is controlled to transport the target inventory container to the workstation, the goods in the target inventory container are picked into the target order container at the workstation, and after the picking task is completed, the second The handling equipment transports the target order container to a designated position, and performs subsequent operations. The warehouse management method provided in this embodiment makes full use of the flexible and convenient characteristics of the handling robot, improves the picking efficiency of goods, and saves space, and further The cost investment is reduced, and the equipment can be expanded at any time.

The foregoing describes specific embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in an order different from that in the embodiments and still achieve desirable results. Additionally, the processes depicted in the figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

It should be noted that, for the convenience of description, the foregoing method embodiments are described as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence. Because in accordance with the present application, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily all necessary for the present application.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

The preferred embodiments of the present application disclosed above are only provided to help illustrate the present application. Alternative embodiments are not intended to exhaust all details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this application. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. This application is to be limited only by the claims, along with their full scope and equivalents.

Claims

A warehouse management system, characterized in that the system includes: a control server, a stock container, a first handling device, a second handling device, a workstation, and an order container, the first handling device and the second handling device are respectively communicated with the control server; wherein,

The control server is configured to send an inventory container handling instruction to the first handling device and an order container handling instruction to the second handling device according to the order;

the first handling device configured to remove and transport a target inventory container from its storage location to a target workstation in response to the inventory container handling instruction;

The target workstation is configured to report the completion of the picking task corresponding to the order to the control server after determining that the goods are picked up from the target inventory container and put into the target order container;

the second handling device, configured to handle a target order container to the target workstation in response to the order container handling instruction, and to move the target order container away from the target workstation after a picking task is completed, and/or Or, in response to the order container handling instruction, travel to the target workstation, take out the target order container that has completed the picking task from the target workstation, and carry the target order container away from the target workstation.
The warehouse management system according to claim 1, wherein the target workstation is configured with a temporary storage mechanism, and the target order container is located on the temporary storage mechanism;

The second handling device is further configured to, in response to the order container handling instruction, move the target order container to the target workstation and place it on the temporary storage mechanism, and after the picking task is completed, from the temporary storage Mechanically remove the target order container and carry the target order container away from the target workstation, and/or, in response to the order container removal instruction, travel to the target workstation and remove the target order container from the escrow mechanism. the target order container and carry the target order container away from the target workstation.
The warehouse management system according to claim 2, wherein the temporary storage mechanism is a temporary storage rack or a roller track.
The warehouse management system according to any one of claims 1-3, wherein a buffer rack is fixedly connected or detachably connected to the second transport robot, and a plurality of order containers can be buffered on the buffer rack.
The warehouse management system of claim 4, wherein different order containers can be bound to different orders or bound to the same order.
The warehouse management system according to any one of claims 1-3, wherein the inventory container is a movable inventory shelf or a material box located on the inventory shelf.
The warehouse management system according to claim 6, wherein the first handling device is a rack handling robot or a bin handling robot.
The warehouse management system according to any one of claims 1-5, wherein the order container is a material box.
The warehouse management system according to claim 8, wherein the second handling device is a container handling robot.
The warehouse management system according to claim 6 or 7, characterized in that, the inventory racks are intensive storage racks or non-intensive storage racks.
A warehouse management method, comprising:

The control server sends the inventory container handling instruction to the first handling device according to the order, and sends the order container handling instruction to the second handling device;

The first handling device takes out the target inventory container from its storage location and transports it to the target workstation in response to the inventory container handling instruction;

After determining that the goods are picked up from the target inventory container and put into the target order container, the target workstation reports the completion of the picking task corresponding to the order to the control server;

The second handling device, in response to the order container handling instruction, handles the target order container to the target workstation, and after the picking task is completed, moves the target order container away from the target workstation, and/or, in response to The order container handling instruction is to travel to the target workstation, take out the target order container that has completed the picking task from the target workstation, and carry the target order container away from the target workstation.
The warehouse management method according to claim 11, wherein the target workstation is provided with a temporary storage mechanism, and the target order container is located on the temporary storage mechanism;

The second handling device, in response to the order container handling instruction, moves the target order container to the target workstation and places it on the temporary storage mechanism, and after the picking task is completed, takes out the temporary storage mechanism. target order container and carry the target order container away from the target workstation, and/or, in response to the order container carrying instruction, travel to the target workstation, remove the target order container from the escrow mechanism and The target order container is carried away from the target workstation.
The warehouse management method according to claim 11, wherein the temporary storage mechanism is a temporary storage rack or a roller track.
The warehouse management method according to any one of claims 11-13, wherein a buffer rack is fixedly connected or detachably connected to the second transport robot, and a plurality of order containers can be buffered on the buffer rack.
The warehouse management method according to claim 14, wherein different order containers can be bound with different orders or with the same order.
The warehouse management method according to any one of claims 11-13, wherein the inventory container is a movable inventory shelf or a material box located on the inventory shelf.
The warehouse management method according to claim 16, wherein the first handling device is a rack handling robot or a bin handling robot.
The warehouse management method according to any one of claims 11-15, wherein the order container is a material box.
The warehouse management method according to claim 18, wherein the second handling device is a container handling robot.
The warehouse management method according to claim 16 or 17, wherein the inventory rack is a dense storage type rack or a non-intensive storage type rack.