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1 Structure and working principle
Automatic vacuum packaging machine consists of electrical system, vacuum system, heat sealing system and conveyor system. During work, the packaged items are packed into bags and placed on a conveyor belt. The gas-electricity control system is used to move the conveyor belt forwards to a working position. Then the vacuum cover is moved downwards, the vacuum chamber is sealed, and the vacuum pump starts working to pump air. The electric contact vacuum gauge controls the vacuum, and after the vacuum degree is reached, the gas-electric control system performs heat sealing and cooling, and then the lid is opened to restart the next cycle. The cycle program is: Conveyor In, Stop-Evacuation-Heat Sealer-Cooling-Expander-Vacuum Chamber Open-Conveyor Feed.
2 design features
Automatic vacuum packaging machine is a multi-station continuous production equipment for conveyor belt conveying. It is easy to operate, simple to maintain, widely applicable, low cost and high efficiency. Its features are described below.
2.1 is widely applicable. After repurchasing the machine, simply select the bags with different specifications, materials, and color according to the product requirements to pack into the products you need without special molds and packaging materials. The machine also adjusts the four tilt positions of 6 degrees, 10 degrees, 20 degrees, and 30 degrees according to the needs of different types of product packaging, and the conveyor belt can be adjusted from the horizontal to the 30 degree position, so the function can be applied to the whole, particles, powder, Various types of items such as liquid juice are packaged.
2.2 easy to operate. The operator simply presses the start button, the device can continue to run continuously, and then the bagged items can be placed on a conveyor belt and pressed to be continuously produced. Products with different specifications only need to loosen the bracket screws and adjust the position of the brackets without special technical training.
2.3 maintenance is simple. Most of the imported vacuum packaging machines are controlled by computer programs. The maintenance personnel need special training and special tools and measuring instruments. The domestic automatic vacuum packaging machine is controlled by contactors and relays. The circuit is intuitive and the fault is obvious. The ordinary electrician can repair it.
2.4 cheap and efficient. The import of a continuous vacuum packaging machine generally needs to invest 34 million yuan, although the vacuum is relatively high, but the investment is too large. Moreover, most foods, especially high-temperature products, are not very demanding on the degree of vacuum, domestic automatic vacuum packaging The machine can invest more than 30,000 yuan at a time and the degree of vacuum can reach more than 97%. It can meet the processing needs of high-temperature flexible packaging products, home light meals, and quick-frozen foods stored at room temperature. The conveyor belt is continuously produced with high efficiency. 1.5 tons 250g/bag) product, there is a device to meet the needs of general meat processing companies.
3 Application in the food industry
Automatic vacuum packaging machine is widely used in the high temperature flexible packaging products of the food industry, the packaging of dried vegetables and light meals, the packaging of quick frozen foods, and the packaging of wild vegetables and soy products.
Although products have been produced for a long time and the area is vast, due to the restriction of the warranty period, the market is limited. After vacuum packaging, the high-temperature sterilized flexible packaging products are very popular because of their long shelf life and portability. General requirements of 94% vacuum can be, automatic vacuum packaging machine vacuum up to 97% or more, and the sealing quality is stable, suitable for large-scale processing and production.
3.2 Lucai and light meal packaging. With the development of the market economy and the accelerating pace of life, stewed dishes and light meals are greeted with attractive colors, delicious taste, reasonable nutrition, and convenience. They are welcomed by the working class. The working part of the automatic vacuum packaging machine can be adjusted to suit the soup and food packaging. After being prepared in a vacuum, the prepared dish and light meal can be kept in the same condition, so that the shelf life can be prolonged, which is more suitable for the chain operation of the famous store products.
3.3 quick-frozen food packaging. Automatic vacuum packaging machine is suitable for meatballs, meat paste products and other foods that need to be vacuum packaged and stored. These foods are vacuum-packed, quick-frozen, and stored at low temperature. On the one hand, they can keep foods fresh and have a certain shelf life. On the other hand, Ensure product hygiene and prevent pollution.
3.4 Finishing and packaging of agricultural and sideline products. With the rapid development of science and technology, the market is increasingly demanding for deep processing of agricultural and sideline products, and farmers are also paying more attention to the deep processing of agricultural and sideline products. After the vegetables and bean products are carefully selected, they are packed with vacuum packaging machines according to the needs of users. Packaged items are kept in an oxygen-free state to extend the shelf life.
The characteristics and application of homemade automatic vacuum packaging machine
Vacuum packaging machine is to ensure that the packaged items are stored in an oxygen-free state, which can effectively prevent the oxidation and corruption of the items. It is an important equipment for vacuum packaging of meat products today. In the early nineties, it was mainly imported continuous vacuum packaging machines. However, with the expansion of the scale of use, imported vacuum packaging machines alone cannot meet the needs of the market. Our country has designed and manufactured automatic vacuum packaging machines through the introduction of technology. Such equipment has been widely used due to its advantages of low cost, simple operation, convenient maintenance, and reliable performance.