Plastic mold with good injection effect

Abstract

The invention relates to the technical field of plastic molds, in particular to a plastic mold with the good injection effect. The plastic mold comprises a mold body, a rear mold frame base and a rearmold, a front mold is arranged at the top end of the rear mold, a front mold top seat is arranged at the top end of the front mold, the front mold top seat is provided with a sprue, the sprue communicates with a main runner, the main runner communicates with a sub runner, the sub runner communicates with a cavity, the peripheries of the exteriors of the rear mold and the front mold are provided with heat dissipation holes, the top end of the rear mold frame base is fixedly provided with a vertical frame, and the top end of the vertical frame is fixedly provided with an air pump; and the output end of the air pump communicates with a heating box, the other end of the heating box communicates with a connecting pipe, the connecting pipe communicates with the sprue through an air flow pipe, the exteriors of the main runner and the sub runner are provided with copper wire coils, the copper wire coils communicate with an external power source, the top end of the rear mold is provided with alimiting hole, the bottom end of the front mold is provided with a sliding slot corresponding to the limiting hole, and an electromagnet is inlaid in the position, on one side of the sliding slot, ofthe front mold. The plastic mold has the characteristics of being strong in practicability and good in injection effect.

Description

technical field [0001] The invention relates to the technical field of plastic molds, in particular to a plastic mold with good injection molding effect. Background technique [0002] With the development of industrial technology, high-end industrial production has gradually entered people's lives. The production and design of various design products need to go through several steps such as drawing design, mold shaping and manufacturing. Injection molds are the most widely used in current industrial production. One of the most common molds is a processing method used in mass production of certain complex-shaped parts. [0003] At present, most injection molds have too long runners, the raw materials are easy to cool in the runners, the injection molded products have flashes, and there are more residual gas and moisture in the runners, and there are ripples and bubbles on the injection molded products; the existing molds Due to the different filling rates in each direction, ...

AI Technical Summary

Problems solved by technology

[0003] At present, most injection molds have too long runners, the raw materials are easy to cool in the runners, the injection molded products have flashes, and there are more residual gas and moisture in the runners, and there are ripples and bubbles on the injection molded products; the existing molds Due to the different filling rates in each direction, and the dynamic and fixed mold deviation caused by the influence of the mold's own weight during mold loading, this problem is generally solved by setting cylindrical keys on the parting surface, but the existing cylindrical keys are in the It is easy to be worn out, affecting the opening of the mold, and the injection molding product has large defects

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