There are many types of packaging machines and various classification methods.
Release Date:
2021-10-10
Food packaging machines are key equipment for preserving and ensuring the safety of packaged food. Compared with general cooling methods (natural cooling, forced air cooling, refrigerated cooling), they not only achieve sterile cooling but also cool faster (only 5 to 15 minutes, whereas general cooling methods require several hours to tens of hours). They can uniformly cool both the center and surface of the food simultaneously, thereby avoiding the bacterial growth temperature range between 55°C and 30°C, ensuring the hygienic quality of food cooling. This is critical technology equipment to ensure the safety of packaged food and prevent food poisoning. Suitable for puffed foods, potato chips, sugar cubes, pistachios, raisins, glutinous rice balls, meatballs, peanuts, biscuits, jelly, preserved fruits, walnut kernels, pickles, frozen dumplings, almonds, salt, laundry detergent, solid beverages, cereal, pesticide granules, and other granular, flake, short strip, and powder items.
Food packaging machines are widely produced across the country, with Anhui, Henan, Jiangsu, Zhejiang, Guangdong, Shandong, and Shanghai being the main production areas. According to usage scope, they can be divided into household and industrial; by product state, into liquid, block, and granular packaging machines; by packaging effect, into inner packaging and outer packaging machines; by packaging industry, into food, daily chemical, textile, and other packaging machines; by packaging station, into single-station and multi-station packaging machines; by automation level, into semi-automatic and fully automatic packaging machines. There are many classification methods for packaging machinery, each with its own characteristics and applicable scope, but all have limitations. 
From the international perspective on packaging machinery, a more scientific classification method is based on its main function, which captures the essence of the matter. There are many types of packaging machines and many classification methods. From different viewpoints, there are various classifications: by product state, liquid, block, and granular packaging machines; by packaging effect, inner packaging and outer packaging machines; by packaging industry, food, daily chemical, hardware parts, textile, and other packaging machines; by packaging station, single-station and multi-station packaging machines; by automation level, fully automatic and semi-automatic packaging machines, etc. By sealing form, they can be divided into back seal, three-side seal, four-side seal, triangle seal, etc. By product shape, they can be divided into pillow packaging machines, vertical packaging machines, vacuum packaging machines, sealing machines, etc.
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