Coating equipment, coating laminating machine and precoating laminating machine. The coating machine is widely used and its processing performance is stable and reliable. It is widely used in composite equipment. Pre-coating and laminating machine, largest plastic, and drying part. It is small in size, low in cost and flexible in operation. It is not only suitable for large-scale printing and compounding, but also suitable for a small number of automatic desktop office systems and decentralized printing and compounding applications. Domestic production adopts advanced computer-controlled precoating and laminating machine. Pre-coating laminating machine has broad application prospects and universal value, and it is a development direction of laminating machine. However, due to some restrictions, such as pre-coating plastic coating, it is still relatively small for China. Coating and laminating equipment Coating and laminating machine cots are special printing equipment for laminating and pressurizing composite parts after coating and drying adhesives. Creep compound machine has two kinds of machines: automatic and semi-automatic Each model has a unique structure and coating technology, but its basic structure and working principle are the same. The main plastic coating for unwinding is dry and complicated, with five windings, automatic control of mechanical transmission tension and automatic unwinding of some accessories. A: The unpacking part. The plastic film for clearing operation needs the film to keep constant tension all the time. If the pressure is too high, it is easy to produce longitudinal wrinkle swamp, but it is easy to produce transverse wrinkle grid, which is not conducive to adhesive coating and composite printing. In order to maintain proper tension, some common mechanical friction disc clutches, short-term AC motors and electromagnetic clutches have been developed for tension control devices. 2。 Part of a plastic coating. Coating roller after plastic parts are pasted with film. Coating forms: roller inversion, concave surface, direct coating without scraper and direct bonding. (1) The coating roller is reversed. Indirect coating, the structural principle of all models is shown in figure 1 1-3. The glue storage tank uses glue to scrape the glue from the rubber roller and roller scraper, so as to scrape off the excess glue again and return it to the glue storage tank. Film rolling will be spin-coated on the surface of the film pressure nozzle roller, and keep a certain contact area, stress and the amount of adhesive coated on the film surface. By adjusting the distance between scrapers, the benefits of scrapers, scrapers and plastic sheets change.