Over the past decade, the international packaging industry attaches great importance to improve the versatility and the ability to multi-function integration capabilities packaging machines and packaging systems throughout, providing timely and flexible means of production strain of rapid diversification of product marketing. At the same time, based on the practical needs of rationally simplifying packaging and superior packaging processes, we continue to explore and significantly accelerate the pace of technological innovation. In particular, it echoes the simultaneous development of modern automatic machine tools and gradually becomes clear. To establish a more diverse, versatile, multi-functional integrated packaging machinery new system, we must first focus on solving big problems and a combination of mechanical and electrical integration, no doubt this is an important direction for future development.
Vacuum technology is an important part of modern science and technology. It is widely used in various fields of the national economy to promote and promote the development of scientific research and production technology. Vacuum measurement is an important part of vacuum technology. Most of the vacuum measuring sensors are now using ionization gauges and are widely used in the medium range vacuum range. Commonly used ionization vacuum gauge measuring instruments use analog circuits to control the emission current and treat it as a fixed number. This will cause some shortcomings, such as: current deviation due to external interference or component aging; or control loop The drift in the generation is unstable, which results in a large measurement error. In order to eliminate such undesirable phenomena, we apply modern control theory—PID and Fuzzy control—using digital circuits to control the emission current. The control loop uses 16-bit high-resolution A/D and D/A, and emits current measurements. Involved in the operation, allowing the emission current to have a certain range of variation. This increases the measurement accuracy and extends the range in their linear region. In order to ensure the normal operation of the instrument, the self-test function is activated at startup, and the operation has self-protection measures. If it exceeds the limit, it automatically turns off the regulation power supply and displays “Faultâ€; in order to prevent external interference, the software and hardware in the instrument are provided with anti-interference measures.
China's vacuum packaging machine industry has only been in the industry for 20 years, and its foundation is relatively weak. Therefore, it is necessary to fully develop the trend of large-scale, complete sets, and automation, and the transmission of complex and high-tech equipment. As far as the food packaging is concerned, there are two major types of packaging methods commonly used in today's zui, namely, filling and wrapping. The filling method is suitable for almost all materials and packaging containers. Specifically, for liquids, powders, and granules with good fluidity, relying mainly on their own gravity, it is necessary to supplement the mechanical process to complete the packaging process. For semi-fluid or larger single-piece and composite parts with strong viscosity, it is necessary to adopt corresponding mandatory measures such as extrusion, push-in, pick-and-place. As for the wrap method, it is different from this. It is mainly suitable for single-piece or composite parts with regular shape, strong stiffness and tight packaging, and flexible plastic and composite materials (some additional) Lightweight pallets, liners), wrapped by mechanical action.
In the past ten years, the international packaging industry has attached great importance to improving the general capabilities and multi-functional integration capabilities of packaging machinery and the entire packaging system, providing timely and flexible production methods for the market to diversify diversified products. At the same time, based on the practical needs of rationally simplifying packaging and superior packaging processes, we continue to explore and significantly accelerate the pace of technological innovation. In particular, it echoes the simultaneous development of modern automatic machine tools and gradually becomes clear. In order to establish a new system of packaging machinery with diversification, generalization and multi-functional integration, we must first focus on solving the big problems of combination and mechatronics. This is undoubtedly an important development direction in the future.
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