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Mechatronics will change the pattern of packaging machinery industry

发布时间:2018-11-26 阅读:176

      Packaging is a necessary condition for products to enter the field of circulation, and the main means to achieve packaging is the use of packaging machinery. With the development of the times and the progress of technology, packaging machinery is playing an increasingly important role in the field of circulation. Traditional packaging machinery mostly adopts mechanical control, such as cam distribution shaft, and then electronic control, photoelectric control, pneumatic control and other control forms.

  With the increasing productivity and the random and changeable packaging parameters, these control systems have become increasingly difficult to meet the development of the new situation. At this time, a new technology - mechatronics technology came into being, which completely changed the face of packaging machinery, making it appear in front of the world with a new attitude.

  It is predicted that the future development of China's packaging machinery market will show the following characteristics:

  I. Increasing Technical Content of Packaging Machinery

  Some of the existing packaging machinery products in China have low technology content, while many advanced technologies have been applied to packaging machinery abroad, such as remote control technology (including monitoring), stepping motor technology, automatic flexible compensation technology, laser cutting technology, information processing technology, etc.

  2. Increasing Monopoly of Packaging Machinery Market

  At present, in addition to corrugated carton packaging machinery and some small packaging machinery, China has certain scale and advantages. Some complete packaging production lines with large demand in the market are monopolized by several large packaging machinery enterprises (groups) in the world packaging market.

  3. More Specialized Production of Parts and Components of Packaging Machinery

  The international packaging industry attaches great importance to improving the general ability of packaging machinery processing and the whole packaging system, so the specialization of packaging machinery parts production is the inevitable trend of development. Many parts are no longer produced by packaging machinery factories, but by some general standard parts factories, some special parts are produced by highly specialized manufacturers, and truly famous packaging machinery factories. It may be an assembly plant. Products are developing towards multi-function, single and high-speed polarization. The ultimate function of packaging machinery is to improve production efficiency and product diversification.

  Characteristics of Mechatronics Technology

  In the era of rapid change in science and technology, the emergence of new technologies, new processes, new materials and new equipment is no longer the development of a single discipline, but the mutual penetration and complementarity of various related disciplines and advanced technologies. Mechatronics is such a new technology. It is a comprehensive technology based on information theory, cybernetics and system theory. Its essence is to organically combine mechanical, electronic, information, detection and other related technologies from the system point of view, using the process control principle, to achieve the overall optimization. Specifically speaking, it is the introduction of computer technology into packaging machinery.

  Mechatronics has fundamentally changed the face of packaging machinery. In this kind of packaging machinery, the computer as its brain replaces the conventional control system. Mechanical structure is its main body and trunk. Various instruments, instruments and sensors are its senses. They feel the changes of various packaging parameters and feed back to the brain (micro-computer). Various actuators are its hands and feet to complete the necessary actions for packaging operation.

  The market investigation report of packaging machinery industry shows that a complete mechatronics system generally includes computer, sensor, power source, transmission system, executive mechanism and so on. It abandons the tedious and unreasonable parts of conventional packaging machinery, and integrates the advanced technology of machinery, micro-computer, micro-electronics, sensors and other disciplines, which has brought profound changes in the design, manufacture and control of packaging machinery and fundamentally changed the appearance of packaging machinery.

  The Function of Packaging Machinery

  A new technology, once turned into productivity, often plays a huge role. For example, the error of photoelectric positioning is much smaller than that of mechanical positioning, and the effect of microwave drying is much better than that of electric heating drying. Although the time of electromechanical integration technology used in packaging machinery is not long, the effect is obvious and the effect is huge.

  Make the mechanical structure greatly simplified

  The control system is the starting organ of the machine. The relay and contactor control circuit are mostly used in the traditional packaging machinery control system. The complexity of the control system increases with the increase of the executing mechanism and the adjustment position, which makes the machine more and more complex, and brings inconvenience to manufacture, adjustment, use and maintenance. The Mechatronics can replace the heavy electric control cabinet and driving device with the computer, sensing technology and new transmission technology, which greatly reduces the number of parts, simplifies the structure and reduces the volume.

  Improvement of product quality

  There is a huge storage system in the computer. People can store the parameters and related data which affect the work of the packaging machine in advance. It can automatically track the production process. When a parameter or several parameters change, the change is fed back to the computer in an instant. The computer identifies and judges these parameters, and corrects them in time, so that the packaging machine can keep the best working state at any time. When the process parameters of traditional packaging machine change, its adjustment depends on experience, which makes it difficult to find the best parameters; if several process parameters change at the same time, it is even more at a loss.

  For example, the sealing quality of the most common plastic bag sealing machine is related to packaging materials, heat sealing temperature and operation speed. If the material (material, thickness) changes, then the temperature and speed will also change, but how much change is difficult to grasp. For example, the best parameters of sealing temperature and speed of various packaging materials are matched and input into the computer memory with the necessary sensors to form an automatic tracking system, so that the best sealing quality can be guaranteed no matter which process parameters are changed.

  The more the parameters change, the more the adjustment part, the greater the advantages of mechatronics, which is incomparable with general control methods. With more functions and higher reliability, Mechatronics can not only keep the original function of packaging machine, but also give many other functions. For example, the soft packing machine for liquid beverage can have the functions of box making, sterilization, filling and sealing under the cooperation of pneumatic, electrical and mechanical. But if the computer is introduced into the control system, it can also store data such as production rate, product quantity, fault phenomena, fault causes, etc. At the same time, it can process these data according to the actual situation and print out the results. Or display on the screen, which greatly facilitates the operation.。

  Mechatronics will also give the packaging machine automatic monitoring, dynamic detection, alarm and other functions. It also has the functions of safety chain control, overload and out-of-control protection, which greatly improves the reliability of the packaging machine.