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Plastic mold manufacturers analyze several categories of molds
Edit:Taizhou Huangyan Yige Machinery Co., Ltd.   UpDate:2019-08-19

Plastic molds are used in the plastics processing industry to match plastic molding machines, giving plastic products a perfect configuration and precise dimensions. According to different molding methods, it can be divided into different mold varieties. Let ’s take a look at the plastic mold manufacturers !

Injection mold

It is mainly a molding mold commonly used in the production of thermoplastic plastic products. The corresponding processing equipment for injection molds is an injection molding machine. The plastic is first heated and melted in the heating barrel of the injection molding machine, and then the screw or column Under the push of the plug, it enters the mold cavity through the injection molding machine nozzle and the mold's pouring system, and the plastic is cooled and hardened to form the product.

Its structure is generally composed of forming parts, casting system, guide parts, launching organization, temperature control system, exhaust system, support parts and other parts. The injection molding processing method is generally only suitable for the production of thermoplastic products. The plastic products produced by the injection molding process are very wide. From daily necessities to various complex electrical appliances, car parts, etc. are molded using injection molds. It is A widely used processing method in the production of plastic products.

2.blow mould

A mold for molding hollow products of plastic containers (such as various packaging containers such as beverage bottles, daily chemicals, etc.). The blow molding method is based on the principle of the process. The main methods are extrusion blow molding and injection molding. The main principles are extrusion blow molding hollow molding, injection blow molding hollow molding, injection stretch blow molding hollow molding (commonly known as injection stretch blow molding), multilayer blow molding hollow molding, and sheet blow molding hollow molding. The corresponding equipment for blow molding of hollow products is generally called a plastic blow molding machine. Blow molding is only suitable for the production of thermoplastic products. The structure of the blow mold is relatively simple, and the materials used are mostly made of carbon.

3.Extrusion die

A type of mold used to produce plastic products in continuous shapes, also known as extrusion heads, is widely used in the processing of pipes, rods, monofilaments, sheets, films, wire and cable coatings, and special profiles.

The corresponding production equipment is a plastic extruder. Its principle is that solid plastic is melted, plasticized under the conditions of heating and screw rotation and pressure of the extruder, and made into a cross section with the same shape as the shape of the mold through a specific shape of the mold. Successive plastic products. Its production materials mainly include carbon structural steel, alloy things, etc. Some extrusion dies will be inlaid with diamond and other wear-resistant materials on parts that require wear resistance.

Extrusion process technology is generally only applicable to the production of thermoplastic products, and its structure is significantly different from injection molds and compression molds.