Application of RFID technology in industrial intelligent manufacturing production line

　　Application of RFID technology in industrial intelligent manufacturing production line

　　With the gradual promotion of automation and informatization, industrial intelligence has always attracted much attention. For manufacturers, information on various links such as the process flow of the production line is very important. RFID, as an important core component of the perception layer of the Internet of Things, realizes intelligent identification and collection of data through non-contact and non-perceptive methods. The Internet of Things technology enables different devices to be interconnected through RFID electronic tags. The industrial manufacturing environment is very complex. Through RFID electronic tags, RFID readers, combined with barcode, PLC and other technologies, the data of materials, work-in-process, execution equipment, tooling and other multi-source links are collected in real time to provide production and operation control. Basic data can effectively improve production efficiency.

　　Under the requirements of diversified production technologies, industrial intelligent manufacturing production lines use RFID technology to automatically identify and collect data. RFID technology is not just a simple replacement for barcode technology. RFID technology can read and write wirelessly over long distances, with strong penetrability, and can be used at high speeds. Collecting in a mobile state, the stored data information is larger, and it can be used in harsh environments. RFID readers and RFID electronic tags, combined with production line information technology, optoelectronic technology, etc., complete automatic production. RFID technology has been widely used in production control, establishing visual management of production lines, intelligent management and control in production process control, and RFID assisting in the visualization of intelligent manufacturing production.

　　System flow: When a product in production with an RFID tag passes through RFID reader A and RFID reader B in sequence, the RFID reader will read the RFID electronic tag information on the product and upload the data to System host computer. And then judge the completion of the production and the operation of each station.

　　Application of production line RFID reader in intelligent manufacturing production line

　　01. Data collection

　　The RFID tag is attached to the produced material or the pallet loaded with the material, and the product specification, quantity, time, person in charge and other related information are recorded on it, instead of the traditional manual record; the production management personnel can read it at any time through the reader. Obtain product information; other relevant personnel can grasp the production status in time and adjust the production arrangement according to the situation, as well as control the flow of materials at any time.

　　02. Data transmission

　　Install reading and writing equipment at each collection point. When the material or pallet with RFID electronic label passes through the collection point, the RFID reading and writing equipment will automatically obtain the information of the material and transmit it to the background. The management personnel can accurately know the location of the material through the background. s position.

　　03. RFID main equipment composition

　　RFID equipment is mainly composed of RFID electronic tags, RFID fixed readers, RFID antennas, RFID handheld devices and RFID cables.

　　Principle of RFID production line process management system

　　1. Install RFID readers and RFID antennas at the process points that need to be controlled on the production line, and install RFID tags on the tooling boards or material boxes that carry the work-in-process. 2. Before starting production, the RFID tag ID fixed on the tooling board or the material box corresponds to the production batch number through the production management system, that is, the RFID tag ID on the tooling board or the material box is read through the RFID reader, and the RFID tag ID is read through the RFID reader. The barcode gun scans the production barcode, and the management system binds the RFID tag ID to the production barcode on the work-in-process. In this way, managers can learn from the system which processes the products on the production line have gone through, so as to accurately grasp the data and understand the progress of product production and the working conditions of employees. 3. The production information (such as name, serial number, batch, etc.) generated in the production interface of the management software is written into the RFID tag through the RFID reader. After the writing is correct, the WIP is sent to each process for production. 4. Every time the WIP reaches a controlled process point, the RFID reader will write the process content and process point information into the RFID tag, transmit the production data to the server through the network, and update the database in real time. 5. After reaching the last process point, the RFID reader reads the RFID tag information on the tooling board or the material box to the production management software. The production management software counts the number of processes of this product. If there is any omission, the missing process can be traced. The operator can return the product to the missing operation point for rework, and complete the production if the number of operations is correct. 6. For the finished product in process, the production management system automatically unbinds the RFID tag from the production barcode, and identifies the production barcode as a unique identification code and stores it in the database to provide a basis for future product traceability.

　　Summarize

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