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Traditional packaging machinery mostly adopts mechanical control, such as cam distribution shaft type. Later, photoelectric control, pneumatic control and other control forms appeared. However, with the increasing improvement of food processing technology and increasing requirements for packaging parameters, the original control system has been unable to meet the needs of development, and new technologies should be adopted to change the appearance of food packaging machinery. Today’s food packaging machinery is a mechanical and electronic device that integrates machinery, electricity, gas, light and magnetism. When designing, it should focus on improving the degree of automation of packaging machinery, combining the research and development of packaging machinery with computers, and realizing electromechanical integration. control. The essence of mechatronics is to use process control principles to organically combine related technologies such as machinery, electronics, information, and detection from a system perspective to achieve overall optimization. Generally speaking, it is the introduction of microcomputer technology to packaging machinery, the application of electromechanical integration technology, the development of intelligent packaging technology, and the production of a fully automatic packaging system according to the requirements of product automatic packaging technology, the detection and control of the production process, and the diagnosis and diagnosis of faults. Elimination will achieve full automation, achieving high-speed, high-quality, low-consumption and safe production. It can be used for accurate measurement of aquatic processed food, high-speed filling and automatic control of packaging process, etc., which will greatly simplify the structure of packaging machinery and improve the quality of packaging products. For example, the most common plastic bag sealing machine, its sealing quality is related to the packaging material, heat sealing temperature and operating speed. If the material (material, thickness) changes, the temperature and speed will also change, but it is difficult to know how much the change is. For example, using microcomputer control, the best parameters of the sealing temperature and speed of various packaging materials are matched and input into the microcomputer memory, and then equipped with necessary sensors to form an automatic tracking system, so that no matter which process parameter changes, the best can be guaranteed Sealing quality.
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