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What are the definitions of plastic molds?

date：2023/08/11

    The plastic mold is a combined plastic mold for compression molding, extrusion molding, injection molding, blow molding and low foam molding, which mainly comprises a combination of a die assembly substrate, a die assembly and a die combination card. A concave mold of a variable cavity, a punch having a variable core composed of a punch combination substrate, a punch assembly, a punch combination card, a cavity cutting assembly, and a side cut combination plate. Coordinated changes in the mold convex, concave and auxiliary forming systems. It can process series of plastic parts of different shapes and sizes. The plastics processing industry is matched with plastic molding machines to give plastic products a tool with a complete configuration and precise dimensions.
With the rapid development of the plastics industry and the continuous improvement of the strength of GM and engineering plastics, the application range of plastic products is also expanding, and the amount of plastic products is also rising.
A plastic mold is a tool for producing plastic products. It consists of several sets of parts with a molding cavity. During injection molding, the mold is clamped on the injection molding machine, the molten plastic is injected into the molding cavity, and is cooled and shaped in the cavity, and then the upper and lower molds are separated, and the product is ejected from the cavity through the ejection system to leave the mold, and finally the mold is closed. For the next injection, the entire injection molding process is cyclic.
The general plastic mold consists of two parts: a movable mold and a fixed mold. The movable mold is mounted on the moving template of the injection molding machine, and the fixed mold is mounted on the fixed template of the injection molding machine. In the injection molding, the movable mold and the fixed mold close constitute a casting system and a cavity, and when the mold is opened, the movable mold and the fixed mold are separated to take out the plastic product.
Although the structure of the mold may vary depending on the type and performance of the plastic, the shape and structure of the plastic product, and the type of the injection machine, the basic structure is uniform. The mold is mainly composed of a gating system, a temperature control system, a molded part and a structural part. The gating system and the molded part are in direct contact with the plastic and vary with the plastic and the product. It is the most complicated and most varied part of the mold, and requires the highest degree of smoothness and precision.
The gating system refers to the part of the flow path before the plastic enters the cavity from the nozzle, including the main channel, the cold material hole, the shunt channel and the gate. Molded parts refer to the various parts that make up the shape of the product, including dynamic molds, fixed molds and types of plastic molds. Under the impetus of high-tech drive and pillar industry application, a huge industrial chain has been formed, from the upstream raw materials. Industrial and processing, testing equipment to downstream machinery, automobiles, motorcycles, home appliances, electronic communications, building materials and other major application industries, plastic mold development is alive.