CN109492939B - Tray management system and method - Google Patents
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Abstract
The invention provides a tray management system and a tray management method. The tray warehouse-out demand module is used for comparing the tray demand sequence with the warehouse-out tray sequence and generating tray warehouse-out demands. The warehouse area management module is used for receiving the tray warehouse-out requirements from the tray warehouse-out requirement module, allocating trays according to the tray warehouse-out requirements, unloading the trays which do not conform to the tray requirement sequence, and loading the trays which conform to the tray requirement sequence. The tray management system and the method can realize intelligent allocation and automatic error correction of the trays for assembly.
Description
Technical Field
The invention relates to the field of intelligent allocation and automatic error correction production and manufacturing, in particular to a tray management system and method.
Background
The modularized assembly of the automobile chassis is usually performed on a modularized tray carrier, fig. 1 is a schematic perspective view of the modularized tray carrier, please refer to fig. 1, a tray carrier 10 includes a chassis 11, a front tray 12, a middle tray 13 and a rear tray 14, and since different vehicle types need to be assembled on a specific tray carrier 10, the tray types of the front tray 12, the middle tray 13 and the rear tray 14 of the modularized tray carrier need to be changed and combined according to the requirements of the vehicle type production. A high speed hybrid production line requires pre-deployment of pallet carriers 10 in production order for use by the assembly line.
The pallet management system functions to allocate the pallet types required for the production of vehicle models out of the warehouse in advance according to the production sequence. In the existing tray management system, a production sequence behind a certain node on a main stream water conveying line is sent to a tray warehouse area control system in advance, the warehouse area control system allocates trays to be delivered to a warehouse-out cache path according to the sequence, and therefore when a tray carrier passes through a warehouse area, a required sub-tray can be immediately replaced to a bottom frame through an unloader and a loader. However, if the sequence of pallets that have been out of stock is disturbed, a mismatch with the normal production sequence at the time of loading occurs, requiring manual intervention. In fact, the out-of-warehouse tray sequence is not matched with the production sequence due to human operation factors or equipment failure, and the tray out-of-warehouse management system only carries out the warehouse according to the production sequence, so that when the actual out-of-warehouse sequence is interfered, the feedback is not obtained, and the out-warehouse requirement can be automatically adjusted.
The existing solution is manual intervention, i.e. manual operation of the equipment returns the ex-warehouse trays to the warehouse again, and then ex-warehouse trays again according to the normal production sequence. Because the different types of trays have low appearance identification degree and the manual operation process of the equipment is complicated, the normal operation is difficult and time-consuming to recover, and the production efficiency is influenced.
Disclosure of Invention
In view of the above, the present invention provides a tray management system and a tray management method, which can perform intelligent allocation and automatic error correction on a tray for assembly.
The invention provides a tray management system, which comprises:
the tray warehouse-out demand module is used for comparing the tray demand sequence with the warehouse-out tray sequence and generating a tray warehouse-out demand;
the warehouse area management module is used for receiving the tray warehouse-out requirement from the tray warehouse-out requirement module, allocating trays according to the tray warehouse-out requirement, unloading the trays which do not conform to the tray requirement sequence on the tray carriers which circulate on the assembly conveying line and pass through the tray warehouse area, and loading the trays which conform to the tray requirement sequence;
the assembly conveying line control module is used for controlling the circulation of the tray carriers on the assembly conveying line, receiving signals sent by the warehouse area management module and matching the warehouse area management module to allocate the trays; and
and the tray ex-warehouse queue generating module is used for generating an ex-warehouse tray sequence according to the allocation information of the trays sent by the warehouse area management module and transmitting the ex-warehouse tray sequence to the tray ex-warehouse demand module.
In an exemplary embodiment of the tray management system, the tray management system further includes:
the order production sequence information module is used for receiving the factory-level order production sequence and generating an assembly line production sequence; and
and the tray information module is used for receiving the assembly line production sequence generated by the order production sequence information module, generating the tray requirement sequence and transmitting the tray requirement sequence to the tray warehouse-out requirement module.
In an exemplary embodiment of the pallet management system, when the pallet carrier is transported by the assembly line, the assembly line learns pallet configuration information on the pallet carrier when arriving at a station before a pallet library area, the assembly line control module transmits the pallet configuration information to the pallet information module, and the pallet information module sequentially binds the pallet configuration information on the pallet carrier acquired when sequentially passing through the station with order information in an assembly line production sequence to generate the pallet demand sequence.
In an exemplary embodiment of the tray management system, the library area management module further includes:
the warehouse area equipment management control module is used for managing and controlling warehouse area equipment according to the tray warehouse-out requirement sent by the tray warehouse-out requirement module, and the control equipment conveys the unloaded tray to the warehouse area along a preset path and conveys the required tray from the warehouse area to a loading point along the preset path for loading;
the tray unloading module is connected with the warehouse area equipment management control module and the assembly conveyor line control module, and when the tray carrier is conveyed to the unloader by the assembly conveyor line and the tray delivery requirement is that the tray on the tray carrier needs to be replaced, the tray unloading module controls the unloader to unload the tray from the tray carrier and delivers the tray to the warehouse area equipment management control module to store the unloaded tray in the warehouse; and
and the tray loading module is connected with the warehouse area equipment management control module and the assembly conveyor line control module, and when the tray carrier is conveyed to the loader by the assembly conveyor line and the tray delivery demand is that the tray on the tray carrier needs to be replaced, the tray loading module controls the loader to load the tray which is provided by the warehouse area equipment management control module and accords with the tray demand sequence onto the tray carrier on the assembly conveyor line.
In an exemplary embodiment of the tray management system, the library area management module is further configured to record tray warehousing information such as a tray number, a tray type, a tray state, a location library position, and update the library area state display.
In an exemplary embodiment of the tray management system, the library area management module is further configured to determine a position of the tray for ex-warehouse, and after the tray is ex-warehouse, the library area management module updates the inventory information and updates the library area status display.
In an exemplary embodiment of the tray management system, the tray ex-warehouse queue generating module is further configured to establish an ex-warehouse buffer queue and record a type, a number, and a status value of an ex-warehouse tray.
The invention also provides a tray management method, which comprises the following steps:
comparing the tray requirement sequence with the ex-warehouse tray sequence and generating a tray ex-warehouse requirement;
allocating the trays according to the tray delivery requirements, unloading the trays which do not conform to the tray requirement sequence on the tray carriers which circulate on the assembly conveying line and pass through the tray storage area, and loading the trays which conform to the tray requirement sequence;
controlling the tray carrier to circulate on an assembly conveying line, and performing the action of allocating trays on the tray carrier in a matching manner; and
and generating the ex-warehouse tray sequence according to the allocation information of the trays, and feeding back the ex-warehouse tray sequence to the steps.
In an exemplary embodiment of the tray management method, the tray management method further includes the steps of:
receiving a factory-level order production sequence and generating an assembly line production sequence; and
the pallet demand sequence is generated according to an assembly line production sequence.
In an exemplary embodiment of the tray management method, the tray management method further includes the steps of:
and recording the warehousing information of the tray, such as the number, the type, the state and the position of the tray, and updating the display of the state of the warehouse area.
In the tray management system and method, the tray requirement sequence is compared with the ex-warehouse tray sequence to generate the tray ex-warehouse requirement, if the ex-warehouse tray sequence is disordered, unmatched trays can be automatically released at a loading point, namely unmatched trays are not loaded, the system can automatically calculate, match and correct the ex-warehouse sequence, the difficulty and time for sequence recovery can be greatly reduced, and the automatic production efficiency is improved.
Drawings
The foregoing and other features and advantages of the invention will become more apparent to those skilled in the art to which the invention relates upon consideration of the following detailed description of a preferred embodiment of the invention with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of a modular pallet carrier.
Fig. 2 is a schematic structural diagram of a tray management system according to an embodiment of the present invention.
Fig. 3 is a schematic flowchart of the operation of the tray management system shown in fig. 2.
In the above figures, the reference numerals used are as follows:
10 tray carrier
11 underframe
12 front tray
13 middle tray
14 rear tray
20 tray management system
211 order production sequence information module
212 tray information Module
22 tray warehouse-out requirement module
23 reservoir area management module
231 storehouse area equipment management control module
232 pallet unloading module
233 tray loading module
24 assembly line control module
25 tray ex-warehouse queue generation module
201 pallet warehouse area
300 designation
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Fig. 2 is a schematic diagram of a structure of a tray management system according to an embodiment of the present invention, fig. 3 is a schematic diagram of a work flow of the tray management system shown in fig. 2, please refer to fig. 2 and fig. 3, a tray management system 20 of the embodiment includes a tray warehouse-out demand module 22, a warehouse area management module 23, an assembly conveyor line control module 24, and a tray warehouse-out queue generating module 25.
The tray warehouse-out requirement module 22 is configured to compare the tray requirement sequence with the warehouse-out tray sequence, generate a tray warehouse-out requirement, and send the tray warehouse-out requirement to the warehouse area management module 23.
The warehouse area management module 23 is used for receiving the tray warehouse-out requirement from the tray warehouse-out requirement module 22, allocating trays according to the tray warehouse-out requirement, unloading the trays which do not conform to the tray requirement sequence on the tray carriers which circulate on the assembly conveying line and pass through the warehouse area management module, and loading the trays which conform to the tray requirement sequence.
The assembly conveying line control module 24 is used for controlling the circulation of the tray carriers on the assembly conveying line, receiving signals sent by the warehouse area management module 23 and matching the warehouse area management module 23 to allocate the trays.
The tray ex-warehouse queue generating module 25 is connected with the tray ex-warehouse demand module and the warehouse area management module, and is configured to generate an ex-warehouse tray sequence according to the allocation information of the trays sent by the warehouse area management module 23, and transmit the ex-warehouse tray sequence to the tray ex-warehouse demand module 22.
More specifically, the tray management system 20 further includes an order production sequence information module 211 and a tray information module 212. The automatic production of the automobile assembly factory is carried out according to a production sequence, and the production sequence is issued to an automatic production line by an upper-level production order management system of the production factory. During production, each production line, material organization and sub-production line must be strictly organized according to the production sequence, and the order production sequence information module 211 is configured to receive the issued factory-level order production sequence information, generate an assembly line production sequence, and send the assembly line production sequence to the pallet information module 212.
The tray information module 212 is used for receiving the assembly line production sequence generated by the order production sequence information module 211, when the tray carrier is transported by the assembly line (the assembly line is controlled by the assembly line control module 24), when the tray carrier arrives at a certain station before the tray warehouse area, the assembly line can read the data carrier on the tray carrier to know the configuration information (tray type, tray number and tray state) of the front, middle and back trays on the current tray carrier, and the information is transmitted to the tray information module 212 by the assembly line control module 24. The tray information module 212 sequentially binds the tray configuration information on the tray carriers acquired while sequentially passing through the station with the order information in the assembly line production sequence, generates the tray demand sequence, and transmits the tray demand sequence to the tray ex-warehouse demand module 22.
The tray warehouse-out requirement module 22 compares the tray requirement sequence with the warehouse-out tray sequence to calculate the next tray warehouse-out requirement, and the calculation method will be described later. The tray requirement sequence comprises production sequence information and bound tray on-carrier tray configuration information, whether the types of the trays required by the vehicle types corresponding to the production sequence orders are consistent with the types of the front, middle and rear trays 12, 13 and 14 bound to the carriers or not is compared, if the types of the trays are not consistent or the states of the trays on the carriers are 'reworked', the trays are required to be replaced, the requirements are brought into the calculation of the tray ex-warehouse requirements, and otherwise the requirements are not brought into the calculation range of the requirements.
The library area management module 23 includes a library area device management control module 231, a tray unloading module 232, and a tray loading module 233. The warehouse area device management control module 231 is used for managing and controlling warehouse area devices according to the tray warehouse-out requirements sent by the tray warehouse-out requirement module 22, and the control device conveys the unloaded trays to the warehouse area (warehouse entry) along a preset path, and conveys the required trays out of the warehouse area (warehouse exit) and to a loading point along the preset path for loading.
The tray unloading module 232 is connected to the warehouse area equipment management control module 231 and the assembly conveyor control module 24, and when a tray carrier is conveyed to the unloader by the assembly conveyor and the tray delivery demand is that a tray on the tray carrier needs to be replaced, the tray unloading module 232 controls the unloader to unload the tray from the tray carrier and delivers the unloaded tray to the warehouse area equipment management control module 231 to warehouse in the unloaded tray.
The tray loading module 233 is connected to the warehouse area device management control module 231 and the assembly line control module 24, and when a tray carrier is transported to the loader by the assembly line and the tray delivery demand is that a tray on the tray carrier needs to be replaced, the tray loading module 233 controls the loader to load a tray conforming to the tray demand sequence provided by the warehouse area device management control module 231 onto the tray carrier on the assembly line.
When the tray on the tray carrier is judged not to be replaced in advance, the warehouse management module 23 will not allocate the tray for the tray carrier, and when the assembly line control module 24 controls the tray carrier to pass through the unloading point or the loading point, the warehouse management module 23 will notify the assembly line control module 24 to directly release the tray carrier to pass through.
It should be noted that, for warehousing, the library area management module 23 determines a target library position according to the library area management policy and the tray information, records tray warehousing information such as a tray number, a tray type, a tray state, a library position where the tray is located, and updates the display of the library area state after warehousing is completed. For ex-warehouse, the warehouse management module 23 determines the ex-warehouse position of the tray according to the warehouse management strategy and the ex-warehouse demand of the tray, and after the tray is ex-warehouse, the warehouse management module 23 updates the inventory information and updates the warehouse status display.
The tray ex-warehouse queue generating module 25 is further connected to the warehouse area device management control module 231 and the tray loading module 233, and is configured to generate an ex-warehouse tray sequence according to the allocation information of the tray sent by the warehouse area management module 23, and transmit the ex-warehouse tray sequence to the tray ex-warehouse demand module 22. The tray ex-warehouse queue generating module 25 is further configured to establish an ex-warehouse buffer queue and record the type, number, and status value of the ex-warehouse tray.
The scheme for calculating the ex-warehouse demand of the tray is sequential recursion and is described as follows:
referring to table 1-1, when a tray type is found to be unavailable at the tray loading point, e.g., the tray is defective or of an unknown type, the tray is labeled "back to stock" or is not bound to any production sequence vehicle information.
And comparing and recurrently according to the sequence of the production sequence, and marking the trays which do not meet the sequence requirement with a 'returning library'. Finally, calculating a new tray "A" meeting the warehouse-out requirement. The tray type of tray 116, 115 and 113 in the warehouse-out buffer queue is "B", and the type of the warehouse-out demand tray is "A", so that the three trays "B" are processed by "warehouse-back", the tray type of tray 224 is "A", the tray meets the warehouse-out demand, the tray is arranged to be warehouse-out, and so on.
TABLE 1-1
During operation, the factory-level order production sequence is issued first, and the order production sequence information module 211 receives the factory-level order production sequence and generates an assembly line production sequence. The tray information module 212 receives the assembly line production sequence from the order production sequence information module 211, sequentially binds the tray configuration information on the tray carriers passing through a certain node of the assembly conveying line from the assembly conveying line control module 24, generates the tray requirement sequence, and transmits the tray requirement sequence to the tray ex-warehouse requirement module 22; that is, the tray requirement sequence refers to a production sequence to which tray information is bound.
As shown in fig. 3, for the tray storage area, the designation 300 of the tray storage area indicates that the tray ex-warehouse demand module 22 compares the tray demand sequence with the ex-warehouse tray sequence and generates a tray ex-warehouse demand, the ex-warehouse tray sequence can be known from the ex-warehouse cache queue, and in the tray demand sequence, only the demand order in which the production sequence vehicle type information and the bound tray information do not match is brought into the calculation of the tray ex-warehouse demand.
The warehouse area management module 23 of the tray warehouse area receives the tray warehouse-out requirement from the tray warehouse-out requirement module 22, allocates trays according to the tray warehouse-out requirement, unloads the trays which do not accord with the tray sequence in the warehouse-out cache queue, and loads the trays which accord with the tray requirement sequence. The front tray 12, the middle tray 13 or the rear tray 14 which do not conform to the tray sequence can be unloaded and conveyed to the tray storage area by an unloader and a conveying device, and the front tray 12, the middle tray 13 or the rear tray 14 which conform to the tray sequence can be conveyed to the ex-warehouse buffer queue by a loader and a conveying device.
The assembly conveyor line control module 24 in the tray storage area controls the circulation of the tray carriers on the assembly conveyor line, receives the signal sent by the storage area management module 23, and allocates the trays by matching with the storage area management module 23.
The tray ex-warehouse queue generating module 25 in the tray warehouse area generates an ex-warehouse tray sequence according to the allocation information of the trays sent by the warehouse area management module 23, and transmits the ex-warehouse tray sequence to the tray ex-warehouse demand module 22.
In this embodiment, the pallet management system 20 is applied to an assembly line of an automobile chassis, but the present invention is not limited thereto, and in other embodiments, the pallet management system 20 may be applied to assembly lines of other products. In the embodiment shown in fig. 3, only one tray storage area 201 is illustrated, and a plurality of tray storage areas may be provided according to actual needs, for example, three tray storage areas are provided, and the three tray storage areas are respectively used for storing the front tray, the middle tray and the rear tray and are respectively used for allocating the front tray, the middle tray and the rear tray. The operation principle of the pallet management system 20 applied to each pallet library section is the same.
The invention also provides a tray management method, which comprises the following steps:
comparing the tray requirement sequence with the ex-warehouse tray sequence and generating a tray ex-warehouse requirement;
allocating the trays according to the tray delivery requirements, unloading the trays which do not accord with the tray sequence on the tray carriers which circulate on the assembly conveying line and pass through the tray storage area, and loading the trays which accord with the tray requirement sequence;
controlling the tray carrier to circulate on an assembly conveying line, and performing the action of allocating trays on the tray carrier in a matching manner; and
and generating the ex-warehouse tray sequence according to the allocation information of the trays, and feeding back the ex-warehouse tray sequence to the steps.
The tray management method further includes the steps of:
receiving a factory-level order production sequence and generating an assembly line production sequence; and
the pallet demand sequence is generated according to an assembly line production sequence.
Still further, the tray management method further includes the steps of:
recording the warehousing information of the trays, such as the number, the type, the state and the position of the tray, and updating the display of the state of the warehouse area;
and determining the position of the tray for delivery, updating stock information after the tray is delivered, and updating the state display of the stock area.
The tray management system and method of the present invention have at least the following advantages:
1. in the tray management system and method, the tray requirement sequence is compared with the ex-warehouse tray sequence to generate the tray ex-warehouse requirement, if the ex-warehouse tray sequence is disordered, unmatched trays can be automatically released at a loading point, namely unmatched trays are not loaded, the system can automatically calculate, match and correct the ex-warehouse sequence, the difficulty and time for sequence recovery can be greatly reduced, and the automatic production efficiency is improved.
2. In an embodiment of the tray management system of the present invention, the tray management system can determine whether the sub-trays on the chassis need to be replaced and deployed according to the production sequence of the tray information on the bound chassis, and the sub-trays can be directly transported to the operation line for use without deployed tray carriers, which also improves the availability and automation rate of the equipment.
3. In an embodiment of the tray management system, the tray ex-warehouse demand module realizes automatic identification of whether the ex-warehouse sequence is wrong or not through comparison and judgment of the production sequence and the tray ex-warehouse path cache sequence, and can automatically correct.
4. In an embodiment of the tray management system of the present invention, the warehouse area management module receives the tray warehouse-out requirement from the tray warehouse-out requirement module, and realizes automatic warehouse return and automatic allocation of the tray by judging the status flag of the tray information.
5. In an embodiment of the tray management system of the present invention, the assembly line control module transmits tray configuration information to the tray information module, the tray information module sequentially binds the acquired tray configuration information on the tray carrier with order information in an assembly line production sequence to generate a tray demand sequence, and the library area management module can automatically determine whether the tray carrier needs to be deployed according to the received tray ex-warehouse demand.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Tray management system (20), characterized in that it comprises:
the tray ex-warehouse demand module (22) is used for comparing a tray demand sequence with an ex-warehouse tray sequence and generating a tray ex-warehouse demand, wherein the tray ex-warehouse demand is obtained by comparing the tray type of an ex-warehouse cache queue with the demand tray pushing type of a production queue according to the production sequence order and pushing the tray type;
the warehouse area management module (23) is used for receiving the tray warehouse-out requirement from the tray warehouse-out requirement module, allocating trays according to the tray warehouse-out requirement, unloading the trays which do not conform to the tray requirement sequence on the tray carriers which circulate on the assembly conveying line and pass through the tray warehouse area, and loading the trays which conform to the tray requirement sequence;
the assembly conveying line control module (24) is used for controlling the circulation of the tray carriers on the assembly conveying line, receiving signals sent by the warehouse area management module (23) and matching the warehouse area management module (23) to allocate the trays; and
and the tray ex-warehouse queue generating module (25) is used for generating an ex-warehouse tray sequence according to the allocation information of the trays sent by the warehouse area management module (23) and transmitting the ex-warehouse tray sequence to the tray ex-warehouse demand module (22).
2. The tray management system (20) of claim 1, further comprising:
the order production sequence information module (211) is used for receiving the factory order production sequence and generating an assembly line production sequence; and
a pallet information module (212) for receiving the assembly line production sequence generated from the order production sequence information module (211), generating the pallet demand sequence, and transmitting the pallet demand sequence to the pallet warehouse-out demand module (22).
3. The pallet management system (20) of claim 2, wherein when the pallet carriers are transported by the assembly line, the assembly line learns the pallet configuration information on the pallet carriers upon arrival at a station prior to the pallet library area, the assembly line control module (24) transmits the pallet configuration information to the pallet information module (212), and the pallet information module (212) sequentially binds the pallet configuration information on the pallet carriers acquired upon sequentially passing the station with order information in an assembly line production sequence to generate the pallet demand sequence.
4. The tray management system (20) of claim 1, wherein the library management module (23) further comprises:
the warehouse area equipment management control module (231) is used for managing and controlling warehouse area equipment according to the tray warehouse-out requirement sent by the tray warehouse-out requirement module (22), the control equipment conveys the unloaded tray to the warehouse area along a preset path, and conveys the required tray from the warehouse area to a loading point along the preset path for loading;
the tray unloading module (232) is connected with the warehouse area equipment management control module (231) and the assembly conveyor line control module (24), and when the tray carrier is conveyed to the unloader by the assembly conveyor line and the tray delivery requirement is that the tray on the tray carrier needs to be replaced, the tray unloading module (232) controls the unloader to unload the tray from the tray carrier and delivers the unloaded tray to the warehouse area equipment management control module (231) for warehousing; and
and the tray loading module (233) is connected with the warehouse area equipment management control module (231) and the assembly conveyor line control module (24), and when the tray carrier is conveyed to the loader by the assembly conveyor line and the tray ex-warehouse requirement is that a tray on the tray carrier needs to be replaced, the tray loading module (233) controls the loader to load the tray which is provided by the warehouse area equipment management control module (231) and accords with the tray requirement sequence onto the tray carrier on the assembly conveyor line.
5. The tray management system (20) according to claim 1, wherein the library section management module (23) is further configured to record tray warehousing information including a tray number, a tray type, a tray status, or a location of the library, and update the library section status display.
6. The tray management system (20) of claim 5, wherein the library area management module (23) is further configured to determine a tray ex-warehouse location, and after a tray is ex-warehouse, the library area management module (23) updates the inventory information and updates the library area status display.
7. The tray management system (20) according to claim 1, wherein the tray ex-warehouse queue generating module (25) is further configured to establish an ex-warehouse buffer queue and record the type, number and status value of the ex-warehouse tray.
8. The tray management method is characterized by comprising the following steps:
comparing the tray requirement sequence with the ex-warehouse tray sequence and generating a tray ex-warehouse requirement, wherein the tray ex-warehouse requirement is obtained by comparing the tray type in the ex-warehouse cache queue with the requirement tray pushing type in the production queue according to the production sequence;
allocating the trays according to the tray delivery requirements, unloading the trays which do not conform to the tray requirement sequence on the tray carriers which circulate on the assembly conveying line and pass through the tray storage area, and loading the trays which conform to the tray requirement sequence;
controlling the tray carrier to circulate on an assembly conveying line, and performing the action of allocating trays on the tray carrier in a matching manner; and
and generating the ex-warehouse tray sequence according to the allocation information of the trays, and feeding back the ex-warehouse tray sequence to the steps.
9. The tray management method according to claim 8, further comprising the steps of:
receiving a factory-level order production sequence and generating an assembly line production sequence; and
the pallet demand sequence is generated according to an assembly line production sequence.
10. The tray management method according to claim 8, further comprising the steps of:
and recording the warehousing information of the tray including the tray number, the tray type, the tray state or the warehouse location, and updating the warehouse area state display.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811486957.6A CN109492939B (en) | 2018-12-06 | 2018-12-06 | Tray management system and method |
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| CN201811486957.6A CN109492939B (en) | 2018-12-06 | 2018-12-06 | Tray management system and method |
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| CN112407105A (en) * | 2019-08-21 | 2021-02-26 | 广州汽车集团股份有限公司 | Electric automobile chassis and automobile body combining device and combining method |
| CN114590517B (en) * | 2022-03-04 | 2024-01-19 | 北京鑫创数字科技股份有限公司 | Commodity container warehouse-in and warehouse-out management method and equipment |
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