Core Tip: The basic structure of the injection mold can be divided into seven parts: molding parts, gating system, guide mechanism, ejector device, lateral parting and core-pulling mechanism, cooling and heating system, and exhaust system according to its use function. .

    1. Molded parts It refers to the parts that make up the mold cavity.

    Mainly include: punch, die, core, forming rods, forming rings and inserts and other parts.

    2. Casting system It refers to the plastic flow path from the injection molding machine nozzle to the cavity in the mold.

    The ordinary gating system is composed of a main channel, a runner, a gate, a cold pit, and the like.

    3. Guide mechanism in the plastic mold, the main positioning, guidance, to withstand a certain side of the role of pressure to ensure that moving, fixed mold clamping accuracy. The mold clamping guide mechanism consists of a guide post, a guide bush or a guide hole (directly on the formwork), a positioning cone surface, and the like.

    4. The ejector device is mainly used to eject the workpiece from the mold, and is composed of a top rod or a top tube or a push plate, an ejector plate, a top rod fixing plate, a reset rod and a pull rod.

    5. Lateral parting and core-pulling mechanism 6. Cooling heating system 7. Exhaust system.