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Project construction introduction
Modern warehouse storage not only completes simple batch processing of goods in and out, but also makes clear database records of the types, quantities, production attributes, stacking positions and other information of the goods in the warehouse. In order to obtain accurate goods data and supply chain information at all stages of the logistics chain.
At present, one-dimensional barcode/two-dimensional barcode identification technology has been widely used in the management of item classification and labeling. However, its barcode technology relies on visible light scanning reflection, low recognition rate, easy to be broken, stained, sensitive to water and oil and other media, and the amount of stored information is very limited, which affects its application in large-scale logistics management.
RFID radio frequency identification technology is a typical representative of automatic identification technology. Its recognition accuracy is high, the performance is reliable, the storage information is large, the oily sewage washing resistance, etc., are especially suitable for the automatic recognition requirements in the industrial environment. The use of RFID tags to replace bar codes and other identification products can effectively complete the automated management of the warehousing and realize the automatic collection, automatic processing and information reporting of the information of the goods.
Project construction goals
In order to meet the requirements of modern manufacturing for the warehouse management system, the application of RFID technology in the warehouse management system mainly achieves the following major goals:
1. Improve the efficiency of finished products warehousing
Set up RFID channel readers at the entrance and exit of finished products, which can realize the simultaneous and automatic reading of the information of one or more batches of finished products. Compared with the barcode scanning and warehousing method, it can greatly improve the information collection. Speed and reduce the error probability of manual scanning of barcodes.
2. Realize real-time management of finished products and cargo locations in the warehouse
The cargo location is marked by RFID electronic tags in advance and the marking information is stored in the information system. When the finished product is in or out of the warehouse or is moved from the warehouse, the cargo space is automatically allocated through the warehouse management system, and automatically through the forklift vehicle computer and RFID identification equipment. Recognize and match the specific cargo location information to guide the forklift driver to carry out the warehouse operation. After the operation is completed, the system automatically generates the finished product and the cargo location information to automatically associate, so as to automatically update the inventory information in real time.
3. Reduce the work intensity of workers in the outbound link and reduce the probability of errors
Through RFID automatic identification technology, the automated processing of most of the work links is realized, which completely changes the current situation of workers holding paper outbound orders to find cargo locations, and satisfies the fast and accurate requirements of the outbound links to the greatest extent. The RFID system can quickly identify the goods out of the warehouse, compare the delivery requirements of the system, can quickly identify whether the batch of goods is the target out of the warehouse, and can realize the error out of the warehouse alarm and the correct out of the warehouse data record.
4. System seamless docking
It can be connected with the raw material system, WMS, ERP, TMS, OMS and other systems to obtain the warehousing and outgoing task list, vehicle stowage information, and combine the warehousing and exit strategies, picking strategies, and stowage strategies set by the warehouse management system. Match the data automatically collected by the RFID system with the corresponding tasks and strategies to realize functions such as automatic storage, loading, picking, outgoing, and loading.
The system records all operating information, can output the results as a report, export PDF or xls, and can import outbound records to other systems, laying the foundation for the next step of the circulation of raw materials.
Solution business requirement analysis
According to the actual needs of the current application, the basic business process of the system design includes raw materials receiving, direct storage, temporary storage, and shipment. The warehouse and temporary storage include operations such as demolition and transfer.
The basic business process is shown in Figure 1.
Raw material receiving: Obtain raw material information according to the raw material basic information interface of the upper-level subsystem. At the same time, according to the inventory strategy, the raw materials of each pallet are labeled and the system pre-allocates the inventory location.
Inbound scanning: Scan the cargo information, send an application for warehouse to be checked into the system, and the system allocates the location information of the warehouse to be checked and sends the goods to the designated warehouse. When the goods in the warehouse to be inspected need to be repackaged due to unqualified inspection or other reasons, the destacking operation is required; the goods need to be moved according to actual needs when the entire pallet is transferred to the location.
Finished product warehouse: After the goods to be inspected are qualified, scan the cargo information and send the finished product warehouse application to the system. The system allocates the warehouse location information of the finished product warehouse and sends the goods to the designated warehouse. When the goods in the finished product warehouse need to be repackaged due to accidental damage or other reasons, the destacking operation is required; the goods need to be moved according to the actual needs when the entire pallet is transferred to the position.
Shipment: The system sends a shipment task list, and the operator quickly finds the corresponding storage location according to the required cargo information and transports the goods out of the warehouse, scans and confirms before leaving the warehouse for loading, and completes the shipment after confirmation.
System advantages
RFID’s wireless instant long-distance reading method, large-capacity and high-speed data processing capabilities, and a high degree of automation give it irreplaceable technical advantages;
Cargo, truck and other data can be checked and managed on the Internet in real time;
Virtual inventory tracking;
The system is easy to install and maintain;
Data acquisition is efficient and accurate;
The system tracks all logistics links such as people, goods, pallets, forklifts, trucks, etc. in real time;
All links and processes of logistics are monitored in real time.
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