A plastic pipe injection molding machine with a mixing mechanism

CN224446632UActive Publication Date: 2026-07-03ZHANGJIAGANG LIANTAI MASCH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ZHANGJIAGANG LIANTAI MASCH CO LTD
Filing Date: 2025-07-07
Publication Date: 2026-07-03

AI Technical Summary

Technical Problem

Existing plastic pipe injection molding equipment suffers from uneven raw material mixing and poor flowability when dealing with tapered plastic pipes, leading to molding defects such as uneven pipe wall thickness and weld marks, which affect product quality.

Method used

A plastic tube injection molding machine with a mixing mechanism was designed, including a hot mixing tank, a gear reducer, gears, a mixing shaft, and blades, to achieve simultaneous heating and stirring of raw materials. Combined with a screw conveyor and a pressure pump, the injection pressure is increased to ensure uniform mixing of raw materials and improve flowability.

Benefits of technology

It achieves thorough mixing and thermal fluidity of raw materials, improves molding accuracy and product surface quality, reduces bubble defects, and enhances production efficiency through automatic demolding.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224446632U_ABST

Patent Text Reader

Abstract

This utility model relates to the field of plastic pipe injection molding machines, and discloses a plastic pipe injection molding machine with a mixing mechanism, including a machine body and a hot mixing tank. An injection barrel is located in the upper left of the machine body, an injection mold is located at the bottom of the machine body, and a discharge port is located below the injection mold. A mixing mechanism is located in the upper right of the machine body. The mixing mechanism includes a set of hot mixing tanks fixed to the right side of the inner wall of the machine body, and a gear reducer is fixedly connected to the top right side of the hot mixing tanks. This plastic pipe injection molding machine with a mixing mechanism, by setting up a hot mixing tank, a gear reducer, a large gear, a mixing shaft, and blades, achieves thorough mixing of raw materials, resulting in uniform mixing and thermal fluidity. It is suitable for injection molding of tapered plastic pipes where high uniformity of pipe wall is required, improving molding accuracy and solving the problems of uneven plasticization, poor fluidity, and incomplete mold filling during injection molding due to the lack of a separate preheating and mixing stage.

Need to check novelty before this filing date? Find Prior Art