Heating wire cooling injection molding upper mold for fan blades

Abstract

The invention relates to an electric heating wire type injection upper mold with cooling for fan blades and belongs to the technical field of injection molds. The electric heating bar type injection upper mold with cooling comprises an upper mold body, wherein an exhaust channel is horizontally arranged at the bottom right part of the upper mold body, a heating aluminum block for heating the upper mold body is arranged at the upper part of the upper mold body, a groove is downwards formed in the upper surface of the upper mold body, a convex block matched with the groove downwards extends from the lower surface of the heating aluminum block, a heating cavity is transversely formed in the middle part of the heating aluminum block, a mounting plate is transversely arranged in the heating cavity, electric heating wires are arranged at the bottom of the mounting plate, the electric heating wires are mounted at the bottom of the mounting plate through a ceramic pipe, a cooling water cavity is transversely formed in the heating aluminum block below the heating cavity, and a boss with an annular structure is arranged on the inner side wall of the exhaust channel. The electric heating wire type injection upper mold with cooling, provided by the invention, has the advantages of simple structure, uniform heating of the upper mold body, high heating speed, high production efficiency and convenience in mounting, and can ensure the product qualification rate.

Description

technical field [0001] The invention relates to an electric heating wire type belt cooling injection molding upper mold used for fan blades, and belongs to the technical field of injection molding molds. Background technique [0002] At present, in the production of fan blades such as CPUs, the injection molding method is commonly used, and the production efficiency is fast. If the molds usually used are in mass production, their structures are more complicated. When the structure is more complicated, it will bring many problems in the design, such as : 1. The uniformity of heating; 2. The distribution of vent holes; 3. The distribution of feed ports. If the above problems are not handled properly, the qualified rate of the product will be reduced. Contents of the invention [0003] In view of the above problems, the present invention provides a heating wire type cooling injection upper mold for fan blades, which has a simple structure, convenient operation, and uniform he...

AI Technical Summary

Problems solved by technology

[0002] At present, in the production of fan blades such as CPUs, the injection molding method is commonly used, and the production efficiency is fast. If the molds usually used are in mass production, their structures are more complicated. When the structure is more complicated, it will bring many problems in the design, such as : 1. The uniformity of heating; 2. The distribution of vent holes; 3. The distribution of feed ports. If the above problems are not handled properly, the qualified rate of the product will be reduced.

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