Plastic injection mould are mainly in the production of thermoplastic plastic products has been widely applied in the kind of forming dies, plastic injection mold and the corresponding equipment is plastic injection molding machine, plastic in the first place in the bottom of the injection machine heating cylinder heated melting, and then in the injection machine screw or plunger, driven by the injection machine nozzle and mould gating system into the mold cavity, Plastic cooling hardening molding, demoulding products. Its structure is usually composed of forming parts, pouring system, guiding parts, pushing mechanism, temperature regulating system, exhaust system, supporting parts and so on. Plastic mold steel modules are usually used as manufacturing materials, and the commonly used materials are mainly carbon structural steel, carbon tool steel, alloy tool steel, high-speed steel and so on. Injection molding processing method is usually only suitable for the production of hot plastic products, plastic products produced by injection molding process is very wide, from daily necessities to all kinds of complex machinery, electrical appliances, vehicle parts are molded by injection mold, it is the most widely used in the production of plastic products a processing method.

It is composed of pouring system, forming parts and structural parts.

① Pouring system refers to the plastic flow channel from the nozzle of the injection machine to the cavity;

② Forming parts refers to the parts that constitute the mold cavity, composed of a negative mold and a positive film;

③ Structural parts, including guide, film stripping, core pulling, typing and other parts.

The mold is divided into two parts: fixed mold and moving mold, which are respectively fixed on the fixed plate and moving plate of the die closing device. The moving mold moves with the moving plate to complete the opening and closing action. Molds can be heated or cooled as needed.