Workpiece recognition system for spraying production line based on two-dimensional code and recognition method thereof

Abstract

The invention relates to a workpiece recognition system for a spraying production line based on a two-dimensional code and a recognition method thereof, and belongs to the field of two-dimensional code recognition. The workpiece recognition system comprises a hanging tool, a two-dimensional code plate, a conveying chain, a backlight lamp, a code scanning camera and a support, wherein the hanging tool is installed on the conveying chain, the two-dimensional code plate is installed on the right side of the hanging tool, the support is installed on a guide rail of the conveying chain, the backlight lamp is installed on the left side of the support, and the code scanning camera is installed on the right side of the support. The workpiece recognition system has the following advantages that thetwo-dimensional code plate is generated by punching a steel plate, a perforated metal steel plate is converted into a common two-dimensional code to be recognized by the code scanning camera throughingenious structural design of punching and the backlight lamp, the special code scanning camera is adopted, the technology is mature, the recognition speed is high, and the recognition precision is high; and the two-dimensional code plate is subjected to quenching and blackening treatment, high temperature resistance is achieved, deformation is not prone to occurring, the production cost is low,and the problems brought to a recognition system by the high-temperature, pollution and acid-base environment of the spraying production line are solved.

Description

technical field [0001] The invention relates to a two-dimensional code-based workpiece identification system and identification method for a spraying production line, which belongs to the field of two-dimensional code identification and is a reliable and low-cost workpiece identification system suitable for the environment of a spraying production line. Background technique [0002] In the workpiece conveying system of the coating line, the workpiece is often identified due to process requirements. Now there are two commonly used methods: radio frequency identification (RFID) and laser engraved two-dimensional code identification. [0003] Radio frequency identification is composed of reading and writing equipment and electronic tags. The electronic tags are read and written by radio frequency. Generally, the electronic tags are installed on the hanger of each transport workpiece, and the reading and writing equipment is installed at the corresponding position that needs to b...

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, aiming at the defects of high cost and poor temperature resistance, or poor anti-pollution performance of the workpiece identification system used in the current spraying production line, which requires regular replacement, and to provide a structural design reasonable, The workpiece recognition system is simple in mechanism, easy to make and low in cost. It not only has fast recognition speed and high precision, but more importantly, it is resistant to high temperature and pollution. It is especially suitable for the workpieces used in the spraying production line based on the two-dimensional code of the conveying system of the spraying production line. Identification system and identification method

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