A multi-layer injection mold for silicone rubber

Abstract

The utility model relates to the technical field of silicone rubber provides a kind of silicone rubber multilayer injection mould, including lower mould plate, the bottom end of lower mould plate is equipped with backing plate, the both sides of backing plate are symmetrically provided with fixed structure, fourth mould plate is installed on lower mould plate, third mould plate, second mould plate and first mould plate are installed in turn on fourth mould plate from bottom to top, the inside of fourth mould plate, third mould plate, second mould plate and first mould plate are equipped with glue inlet, the outside of glue inlet is provided with heating structure, the both sides of the bottom end of fourth mould plate, third mould plate, second mould plate and first mould plate are symmetrically provided with positioning structure.The utility model is positioned by the positioning structure of setting, positioning block and positioning slot are engaged, can play certain positioning effect to each layer mould plate, improve the stability between mould plate, avoid the situation of displacement, rotate positioning screw rod, the position of positioning block can be adjusted, and then the levelness between each layer mould plate can be adjusted, improve injection effect.

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