The hot melt adhesive automatic spraying machine entered the Chinese market in the mid-1980s, and Chinese machinery manufacturers made this kind of equipment in the 1990s. At first, the hot melt adhesive machine was only used in small industries such as cosmetics, and then the sanitary napkin and packaging industries began to use hot melt adhesive slowly. Therefore, in Chinese mainland, Eastern European countries and Middle Eastern countries, this kind of industrial equipment began to be used. Hot melt adhesive spraying, scraping, rolling, gluing and injecting automatic application equipment [2], which is widely used in household goods (diapers, sanitary napkins, mousetraps, cockroach houses), automobile industry (interior sealing, automobile lamp manufacturing, windshield assembly, air filter, non-woven fabric composite, footwear industry, printing, electronic product assembly, garment making, non-stick and packaging industry (carton packaging)