Door production system, door matching system and method for refrigerator production line

Abstract

The present invention provides a door production system, a door matching system and a method for a refrigerator production line. The door production system includes: a first storage space and a second storage space; a first door production station, configured to produce a first door; a second door production station, configured to produce a second door; a cage system, which has a cage and a transportation system for driving the cage to move; and the transportation system is configured to: transport the cage to the first door production station to receive a first set of door bodies, and transport the cage and the first set of door bodies therein to the first storage space; transport the cage to the first door production station to receive a first door body of the second set of door bodies, and transport the cage and the first door body therein to the second storage space, and then transport the cage and the first door body therein from the second storage space to the second door production station to receive a second door body of the second set of door bodies, and then transport the cage and the second set of door bodies therein to the first storage space.

Description

Technical Field

[0001] The invention relates to refrigerator manufacturing, and in particular to a door body production system, a cabinet door matching system and a method for a refrigerator production line. Background Art

[0002] The production process of refrigerators mainly includes parts processing, assembly, final assembly, whole machine performance testing, packaging, and delivery. The final assembly of refrigerators is the process of assembling the cabinet, door, circuit system, and refrigeration system into a complete machine. However, refrigerators are mainly composed of two parts: cabinet and door. However, the mismatch between cabinet and door often occurs in the refrigerator manufacturing industry. After the door is pre-installed, it is transported to the work truck for storage by employees, and the placement is irregular. Then, according to production needs, the work truck is manually pulled to the door hanging station for installation. The disadvantages of the existing production model are that the door is uniformly stored on the ground work truck, which occupies a large ground area. Manual handling of the work truck wastes manpower, and the wrong work truck is often pulled. There is no error in installing the door, and it is easy to hang the wrong door. Summary of the invention

[0003] An object of the present invention is to provide a door production system, a cabinet door matching system and a method for a refrigerator production line, so as to at least solve some of the defects existing in the prior art.

[0004] In one aspect, the present invention provides a door production system for a refrigerator production line, comprising:

[0005] The door body library has a first storage space and a second storage space;

[0006] A first door body production station is configured to produce door bodies and each door body produced is a first door body;

[0007] A second door body production station is configured to produce door bodies and each door body produced is a second door body; wherein a plurality of the first door bodies constitute a first set of door bodies, and at least one of the first door bodies and at least one of the second door bodies constitute a second set of door bodies; and

[0008] A cage system, comprising a cage and a transport system for driving the cage to move; and the transport system is configured as follows:

[0009] Transporting the cage to the first door body production station to receive the first set of door bodies, and transporting the cage and the first set of door bodies therein to the first storage space;

[0010] The cage is transported to the first door body production station to receive the first door body of the second set of door bodies, and the cage and the first door body therein are transported to the second storage space, and then the cage and the first door body therein are transported from the second storage space to the second door body production station to receive the second door body of the second set of door bodies, and then the cage and the second set of door bodies therein are transported to the first storage space.

[0011] Optionally, the door body library is arranged at a certain height from the ground, and the transportation system includes a hanging chain.

[0012] Optionally, the first door body production station is further configured to mark each of the first door bodies, and the second door body production station is further configured to mark each of the second door bodies, so as to obtain the mark of each of the first door bodies or the mark of each of the second door bodies in the cage, and then determine whether the cage has the first set of door bodies, the second set of door bodies, or all of the first door bodies of the second set of door bodies;

[0013] The transport system is configured to transport the cage to the first storage space when receiving the first set of door bodies or the second set of door bodies in the cage, and to transport the cage to the second storage space when receiving all of the first door bodies with the second set of door bodies in the cage.

[0014] Optionally, the door body production system further comprises a cage information marking device configured to write information on the cage so that the written information matches the first door body and / or the second door body in the cage; and

[0015] The transportation system is configured to transport the cage to a corresponding door body storage location in the first storage space or the second storage space according to the written information acquired by the door body production system.

[0016] Optionally, the cage information marking device comprises two handheld RFID readers located at the first door body production station and the second door body production station respectively; each cage is provided with a cage RFID tag;

[0017] Marking each of the first door bodies and each of the second door bodies by affixing a barcode;

[0018] The door body production system also includes two scanners located at the first door body production station and the second door body production station respectively to scan the barcode and the cage RFID tag.

[0019] On the other hand, the present invention also provides a door matching system for a refrigerator production line, which comprises:

[0020] The final assembly line comprises a box conveying line, a door conveying line and a box door matching station;

[0021] A box body library system is configured to convey the box body to the box body conveying line so that the box body conveying line conveys the box body to the box door matching station; and obtain the box body information and convey the box body information to the door body production system;

[0022] A door body production system, and any one of the above-mentioned door body production systems, and according to the box body information, the corresponding cage is transported to the door body conveying line, so that the door body conveying line transports the door body to the box door matching station.

[0023] In another aspect, the present invention further provides a method for producing a door body of a refrigerator production line, comprising:

[0024] Producing a first door body at a first door body production station, producing a second door body at a second door body production station, and attaching a barcode to each of the first door body and each of the second door body;

[0025] The cage is transported to the first door body production station, so that according to production requirements, a plurality of the first door bodies of the first set of door bodies are scanned with the barcode and placed in the cage, or at least one of the first door bodies of the second set of door bodies is scanned with the barcode and placed in the cage;

[0026] According to the number and information of the acquired barcodes, determining whether the cage has all the first door bodies of the first set of door bodies or the second set of door bodies;

[0027] Upon receiving the first set of door bodies in the cage, write information on the cage RFID tag of the cage and scan the written information; and transport the cage to the corresponding door body storage location of the first storage space according to the acquired written information; upon receiving all the first door bodies of the second set of door bodies in the cage, transport the cage to the second storage space;

[0028] According to the production demand, the cage in the second storage space is transported to the second door body production station, at least one of the second door bodies of the second set of door bodies is scanned with the barcode and placed in the cage, and the barcode of the first door body in the cage is scanned;

[0029] Based on the number and information of the acquired barcodes, determine whether the cage contains the second set of door bodies; when receiving the information that the cage contains the second set of door bodies, write information on the cage RFID tag of the cage and scan the written information; and transport the cage to the corresponding door body storage location of the first storage space based on the acquired written information.

[0030] In another aspect, the present invention further provides another method for producing a door body of a refrigerator production line, comprising:

[0031] Producing a first door body at a first door body production station, producing a second door body at a second door body production station, and attaching a barcode to each of the first door body and each of the second door body;

[0032] The cage is transported to the first door body production station, so that according to production requirements, a plurality of the first door bodies of the first set of door bodies are scanned with the barcode and placed in the cage, or at least one of the first door bodies of the second set of door bodies is scanned with the barcode and placed in the cage;

[0033] According to the number and information of the acquired barcodes, determining whether the cage has all the first door bodies of the first set of door bodies or the second set of door bodies;

[0034] Upon receiving the first set of door bodies in the cage, information is written on the cage RFID tag of the cage and the written information is scanned; and the cage is transported to the corresponding door body storage location of the first storage space according to the acquired written information; upon receiving all the first door bodies with the second set of door bodies in the cage, information is written on the cage RFID tag of the cage and the written information is scanned, and the cage is transported to the corresponding door body storage location of the second storage space according to the acquired written information;

[0035] According to the production requirements, at least one of the second door bodies of the second set of door bodies is scanned with the barcode, and according to the information obtained after the scan, the corresponding cage in the second storage space is transported to the second door body production station; at least one of the second door bodies of the second set of door bodies is placed in the cage, and the barcode of the first door body in the cage is scanned, or the barcodes of the second door body and the first door body in the cage are scanned;

[0036] Based on the number and information of the acquired barcodes, determine whether the cage contains the second set of door bodies; upon receiving the information that the cage contains the second set of door bodies, scan the written information on the cage RFID tag of the cage, and transport the cage to the corresponding door body storage location of the first storage space according to the acquired written information; or, upon receiving the information that the cage contains the second set of door bodies, re-write information on the cage RFID tag of the cage, scan the written information, and transport the cage to the corresponding door body storage location of the first storage space according to the acquired written information.

[0037] The door production system, cabinet door matching system and method of the refrigerator production line of the present invention do not require manual handling, which can save a lot of manpower and material resources, and the door body can be automatically transported to the door body warehouse. In addition, each hanging cage contains a complete set of door bodies, which can effectively control the door body production, making the matching of door bodies and cabinets simple and efficient in the future. There is no need to find multiple door bodies, and one hanging cage can be directly selected, so that production can be carried out in an orderly and accurate manner.

[0038] Furthermore, the door body warehouse can be set up in the air, which does not occupy the ground area and saves space. The introduction of intelligent tags such as barcodes can make the door bodies complete and prevent errors. The system determines whether the door bodies are the same set based on the scanned door body barcodes. If not, the cage cannot be bound, and the judgment is efficient and accurate. It also further enables intelligent matching of box doors to prevent errors, and intelligent matching of doors and boxes to eliminate the situation where box doors do not match. In other words, information technology can be used to achieve intelligent matching of door bodies produced by different door body foaming pre-installation lines. After the cage carrying a complete set of door bodies is put into storage, the box doors are intelligently matched according to the signal of the box leaving the warehouse.

[0039] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0041] Figure 1 is a schematic structural diagram of a door matching system for a refrigerator production line according to an embodiment of the present invention;

[0042] Figure 2 The present invention is a schematic working flow diagram of a door matching system for a refrigerator production line according to an embodiment of the present invention. DETAILED DESCRIPTION

[0043] An embodiment of the present invention provides a door production system for a refrigerator production line. Figure 1 The schematic structural diagram of the door matching system of a refrigerator production line according to an embodiment of the present invention includes a door production system. The door production system of this embodiment at least includes: a door storage 20, a first door production station 31, a second door production station 32 and a cage system.

[0044] The door body warehouse 20 may have a first storage space and a second storage space. The door body warehouse 20 is set at a certain height from the ground and may have two or more layers. The lowest layer of space may be the second storage space, and the remaining space may be the first storage space. The door body warehouse 20 may be used to set other parts of the refrigerator production line, or to set the first door body production station 31 of the door body production system, etc., without occupying the ground area, saving space.

[0045] The first door body production station 31 is configured to produce door bodies, and each door body produced is a first door body. The second door body production station 32 is configured to produce door bodies, and each door body produced is a second door body. Among them, multiple first door bodies constitute a first set of door bodies, and at least one first door body and at least one second door body constitute a second set of door bodies. Multiple door body production stations are set, and each door body production station can produce door bodies according to corresponding needs, which significantly improves the door body production efficiency. Each first door body may be the same or different. Each second door body may be the same or different. The first set of door bodies may include four first door bodies, and the second set of door bodies may include three first door bodies and one second door body.

[0046] The cage system may have a cage 40 and a transportation system for driving the cage 40 to move. The transportation system may be configured to transport the cage 40 to the first door body production station 31 to receive the first set of door bodies, and to transport the cage 40 and the first set of door bodies therein to the first storage space. The transportation system may also be configured to transport the cage 40 to the first door body production station 31 to receive the first door body of the second set of door bodies, and to transport the cage 40 and the first door body therein to the second storage space, and then to transport the cage 40 and the first door body therein from the second storage space to the second door body production station 32 to receive the second door body of the second set of door bodies, and then to transport the cage 40 and the second set of door bodies therein to the first storage space. Of course, when producing the second set of door bodies, the second door body of the second set of door bodies may also be loaded first, enter the second storage space for standby, and then load the first door body, and finally enter the first storage space. The transportation system includes a suspension chain.

[0047] The door production system of the embodiment of the present invention does not require manual handling, which can save a lot of manpower and material resources, and the door can be automatically transported to the door warehouse 20. In addition, each cage 40 contains a complete set of door bodies, which can effectively control the door production, making the matching of door bodies and box bodies simple and efficient in the future. There is no need to find multiple door bodies, and one cage 40 can be directly selected, so that production can be carried out in an orderly and accurate manner.

[0048] In some embodiments of the present invention, the first door body production station 31 is further configured to mark each first door body, and the second door body production station 32 is further configured to mark each second door body, so as to obtain the mark of each first door body or each second door body in the cage 40, and then determine whether there is a complete set of first door bodies, a complete set of second door bodies, or all first door bodies of the second door bodies in the cage 40. The transportation system is configured to transport the cage 40 to the first storage space when receiving the first set of door bodies or the second set of door bodies in the cage 40, and to transport the cage 40 to the second storage space when receiving all first door bodies of the second set of door bodies in the cage 40.

[0049] In order to further improve the intelligence of refrigerator production, the door body production system also includes a cage information marking device, which is configured to write information on the cage 40 so that the written information matches the first door body and / or the second door body in the cage 40. And the transportation system is configured to transport the cage 40 to the corresponding door body warehouse 20 position in the first storage space or the second storage space according to the written information acquired by the door body production system. Specifically, the cage information marking device includes two handheld RFID readers located at the first door body production station 31 and / or the second door body production station 32. A cage RFID tag is provided on each cage 40. Each first door body and each second door body are marked by affixing a barcode. The door body production system also includes two scanners 50 respectively located at the first door body production station 31 and the second door body production station 32 to scan the barcode and the cage RFID tag. Of course, two scanners 50 can be set in the second door body production station 32, one scanner 50 is used to scan the barcode of the produced second door body so that the corresponding cage 40 can come out of the second storage space; the other scanner 50 can scan the barcode of each door body of the second set of door bodies to determine whether it is a complete set of second door bodies, and scan the cage RFID tag with written information.

[0050] like Figure 1As shown, an embodiment of the present invention also provides a door matching system for a refrigerator production line, which includes a general assembly line, a box body warehouse system 60 and a door body production system in any of the above embodiments. The general assembly line has a box body conveying line 61, a door body conveying line 62 and a box door matching station 63. The box body warehouse system 60 is configured to convey the box to the box body conveying line 61, so that the box body conveying line 61 conveys the box to the box door matching station 63. The box body warehouse system 60 is also configured to obtain box body information and convey the box body information to the door body production system. Specifically, the box body information can be scanned by a scanner. The door body production system can convey the corresponding cage 40 to the door body conveying line 62 according to the box body information, so that the door body conveying line 62 conveys the door body to the box door matching station 63. At the box door matching station 63, the box and the door body are installed.

[0051] The embodiment of the present invention further provides a method for producing a door body of a refrigerator production line, which may include:

[0052] The first door body is produced at the first door body production station 31 , and the second door body is produced at the second door body production station 32 , and a barcode is attached to each first door body and each second door body.

[0053] The cage 40 is transported to the first door body production station 31, so that according to production requirements, multiple first door bodies of the first set of door bodies can be barcode scanned and placed in the cage 40, or at least one first door body of the second set of door bodies can be barcode scanned and placed in the cage 40.

[0054] According to the number and information of the acquired barcodes, it is determined whether the cage 40 contains all the first door bodies of the first set of door bodies or the second set of door bodies.

[0055] When receiving the first set of door bodies in the cage 40, write information on the cage 40RFID tag of the cage 40, and scan the written information. And according to the acquired written information, transport the cage 40 to the corresponding door body library 20 position of the first storage space. When receiving all the first door bodies with the second set of door bodies in the cage 40, transport the cage 40 to the second storage space. The system performs error prevention to determine whether the door bodies in each cage 40 are a set, including the quantity, whether they are the same model of door bodies, and whether they correspond to a refrigerator. If all of them are, it means that the door bodies in the cage 40 are a set, and use a handheld RFID reader to write the door body information to the cage 40RFID tag. If it is not a set, the information cannot be written to the cage 40, and the cage 40 cannot be put into storage.

[0056] According to production requirements, the cage 40 in the second storage space is transported to the second door body production station 32, at least one second door body of the second set of door bodies is barcode scanned and placed in the cage 40, and the first door body in the cage 40 is barcode scanned.

[0057] According to the number and information of the acquired barcodes, it is determined whether there is a second set of door bodies in the cage 40. When receiving the second set of door bodies in the cage 40, information is written on the cage RFID tag of the cage 40 and the written information is scanned. And according to the acquired written information, the cage 40 is transported to the corresponding door body library 20 position of the first storage space.

[0058] like Figure 2 As shown, the embodiment of the present invention also provides another method for producing a door body of a refrigerator production line, which may include the following steps:

[0059] The first door body is produced at the first door body production station 31 , and the second door body is produced at the second door body production station 32 , and a barcode is attached to each first door body and each second door body.

[0060] The cage 40 is transported to the first door body production station 31, so that according to production requirements, multiple first door bodies of the first set of door bodies can be barcode scanned and placed in the cage 40, or at least one first door body of the second set of door bodies can be barcode scanned and placed in the cage 40.

[0061] According to the number and information of the acquired barcodes, it is determined whether the cage 40 contains all the first door bodies of the first set of door bodies or the second set of door bodies.

[0062] When receiving the first set of door bodies in the cage 40, write information on the cage RFID tag of the cage 40 and scan the written information. And according to the acquired written information, transport the cage 40 to the corresponding door body library 20 position of the first storage space. When receiving all the first door bodies with the second set of door bodies in the cage 40, write information on the cage RFID tag of the cage 40 and scan the written information, and transport the cage 40 to the corresponding door body library 20 position of the second storage space according to the acquired written information. The system performs error prevention to determine whether the door bodies in each cage 40 are a set, including the quantity, whether they are the same model of door bodies, and whether they correspond to a refrigerator. If all of them are, it means that the door bodies in the cage 40 are a set. Use a handheld RFID reader to write the door body information to the cage 40 RFID tag. If it is not a set, the information cannot be written to the cage 40, and the cage 40 cannot be put into storage. Due to the special situation of the second set of door bodies, when all the first door bodies of the second set of door bodies in the cage are met, a handheld RFID reader is also allowed to write the door body information to the RFID tag of the cage 40.

[0063] According to production requirements, at least one second door body of the second set of door bodies is scanned for barcodes, and according to the information obtained after scanning, the corresponding cage 40 in the second storage space is transported to the second door body production station 32. At least one second door body of the second set of door bodies is placed in the cage 40, and the barcode of the first door body in the cage 40 is scanned, or the barcodes of the second door body and the first door body in the cage 40 are scanned.

[0064] Based on the number and information of the acquired barcodes, determine whether there is a second set of door bodies in the cage 40. When receiving that there is a second set of door bodies in the cage 40, scan the written information on the cage RFID tag of the cage 40, and transport the cage 40 to the corresponding door body warehouse 20 position of the first storage space according to the acquired written information. Or, when receiving that there is a second set of door bodies in the cage 40, re-write the information on the cage RFID tag of the cage 40, scan the written information, and transport the cage 40 to the corresponding door body warehouse 20 position of the first storage space according to the acquired written information.

[0065] Furthermore, in some embodiments of the present invention, when the box body and the door body are matched, after the cage 40 enters the first storage space, it will be matched according to the box body outbound information, and the corresponding cage 40 will be transported to the box door matching station 63.

[0066] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived based on the content disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all these other variations or modifications.

Claims

1. A door production system for a refrigerator production line, characterized in that: include: The door body library has a first storage space and a second storage space; A first door body production station is configured to produce door bodies and each door body produced is a first door body; A second door body production station is configured to produce door bodies and each door body produced is a second door body; wherein a plurality of the first door bodies constitute a first set of door bodies, and at least one of the first door bodies and at least one of the second door bodies constitute a second set of door bodies; and A cage system, comprising a cage and a transport system for driving the cage to move; and the transport system is configured as follows: Transporting the cage to the first door body production station to receive the first set of door bodies, and transporting the cage and the first set of door bodies therein to the first storage space; The cage is transported to the first door body production station to receive the first door body of the second set of door bodies, and the cage and the first door body therein are transported to the second storage space, and then the cage and the first door body therein are transported from the second storage space to the second door body production station to receive the second door body of the second set of door bodies, and then the cage and the second set of door bodies therein are transported to the first storage space.

2. The door body production system according to claim 1, characterized in that: The door body warehouse is arranged at a certain height from the ground, and the transportation system comprises a hanging chain.

3. The door body production system according to claim 1 or 2, characterized in that: The first door body production station is also configured to mark each of the first door bodies, and the second door body production station is also configured to mark each of the second door bodies, so as to obtain the mark of each of the first door bodies or the mark of each of the second door bodies in the cage, and then determine whether the cage has the first set of door bodies, the second set of door bodies, or all of the first set of door bodies of the second set of door bodies; The transport system is configured to transport the cage to the first storage space when receiving the first set of door bodies or the second set of door bodies in the cage, and to transport the cage to the second storage space when receiving all of the first door bodies with the second set of door bodies in the cage.

4. The door body production system according to claim 3, characterized in that: Also includes: a cage information marking device configured to write information on the cage so that the written information matches the first door body and / or the second door body in the cage; and The transportation system is configured to transport the cage to a corresponding door body storage location in the first storage space or the second storage space according to the written information acquired by the door body production system.

5. The door body production system according to claim 4, characterized in that: The cage information marking device comprises a handheld RFID reader / writer located at the first door body production station and / or the second door body production station; each cage is provided with a cage RFID tag; Marking each of the first door bodies and each of the second door bodies by affixing a barcode; The door body production system also includes scanners located at the first door body production station and the second door body production station respectively to scan the barcode and the cage RFID tag.

6. A door matching system for a refrigerator production line, characterized in that: include: The final assembly line has a box conveyor line, a door conveyor line and a box door matching station; A box body library system is configured to convey the box body to the box body conveying line so that the box body conveying line conveys the box body to the box door matching station; and obtain the box body information and convey the box body information to the door body production system; A door body production system, which is the door body production system described in any one of claims 1 to 5, and according to the box body information, the corresponding cage is transported to the door body conveying line, so that the door body conveying line transports the door body to the box door matching station.

7. A door body production method using the door body production system of a refrigerator production line according to any one of claims 1 to 5, characterized in that: include: Producing a first door body at a first door body production station, producing a second door body at a second door body production station, and attaching a barcode to each of the first door body and each of the second door body; The cage is transported to the first door body production station, so that according to production requirements, a plurality of the first door bodies of the first set of door bodies are scanned with the barcode and placed in the cage, or at least one of the first door bodies of the second set of door bodies is scanned with the barcode and placed in the cage; According to the number and information of the acquired barcodes, determining whether the cage has all the first door bodies of the first set of door bodies or the second set of door bodies; Upon receiving the first set of door bodies in the cage, write information on the cage RFID tag of the cage and scan the written information; and transport the cage to the corresponding door body storage location of the first storage space according to the acquired written information; upon receiving all the first door bodies of the second set of door bodies in the cage, transport the cage to the second storage space; According to the production demand, the cage in the second storage space is transported to the second door body production station, at least one of the second door bodies of the second set of door bodies is scanned with the barcode and placed in the cage, and the barcode of the first door body in the cage is scanned; According to the number and information of the obtained barcodes, determining whether the cage has the second set of door bodies; When receiving the second set of door bodies in the cage, information is written on the cage RFID tag of the cage and the written information is scanned; and the cage is transported to the corresponding door body storage position of the first storage space according to the acquired written information.

8. A door body production method using the door body production system of a refrigerator production line according to any one of claims 1 to 5, characterized in that: Producing a first door body at a first door body production station, producing a second door body at a second door body production station, and attaching a barcode to each of the first door body and each of the second door body; The cage is transported to the first door body production station, so that according to production requirements, a plurality of the first door bodies of the first set of door bodies are scanned with the barcode and placed in the cage, or at least one of the first door bodies of the second set of door bodies is scanned with the barcode and placed in the cage; According to the number and information of the acquired barcodes, determining whether the cage has all the first door bodies of the first set of door bodies or the second set of door bodies; Upon receiving the first set of door bodies in the cage, information is written on the cage RFID tag of the cage and the written information is scanned; and the cage is transported to the corresponding door body storage location of the first storage space according to the acquired written information; upon receiving all the first door bodies with the second set of door bodies in the cage, information is written on the cage RFID tag of the cage and the written information is scanned, and the cage is transported to the corresponding door body storage location of the second storage space according to the acquired written information; According to the production requirements, at least one of the second door bodies of the second set of door bodies is scanned with the barcode, and according to the information obtained after the scan, the corresponding cage in the second storage space is transported to the second door body production station; at least one of the second door bodies of the second set of door bodies is placed in the cage, and the barcode of the first door body in the cage is scanned, or the barcodes of the second door body and the first door body in the cage are scanned; According to the number and information of the obtained barcodes, determining whether the cage has the second set of door bodies; When receiving the signal that the cage has the second set of door bodies, the written information on the cage RFID tag of the cage is scanned, and the cage is transported to the corresponding door body storage position of the first storage space according to the acquired written information; or, when receiving the signal that the cage has the second set of door bodies, the information is re-written on the cage RFID tag of the cage, and the written information is scanned, and the cage is transported to the corresponding door body storage position of the first storage space according to the acquired written information.

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