A high-precision injection mold

Abstract

The invention relates to the field of injection molding equipment, and discloses a high-precision injection mold, comprising a lower mold base plate, an isolation plate, a lower mold core fixing plate, an upper mold core fixing plate, and an upper mold base plate, and the isolation plate is fixedly installed on the lower mold base The top of the plate, the lower mold core fixing plate is fixedly installed on the top of the isolation plate, and the upper mold core fixing plate is fixedly installed on the bottom of the upper mold seat plate. The high-precision injection mold, through the structural design of the first chute and the second chute connected in the lower mold core fixing plate and the upper mold core fixing plate, when demoulding, injecting water into the first chute increases the pressure, so that the first piston plate reaches the through hole, so that the water pressure in the second chute increases, the second piston plate drives the insertion rod to move up, and separates from the packing block, and the injected water directly acts on the packing block through the packing block. The mold adhered to the upper mold core fixing plate separates the mold from the upper mold core fixing plate, avoiding the problem that the ejector pin causes damage to the surface of the mold and affects the quality of the mold.

Description

technical field [0001] The invention relates to the field of injection molding equipment, in particular to a high-precision injection mold. Background technique [0002] It is a tool for producing plastic products, and it is also a tool for endowing plastic products with special structures and precise dimensions. It is commonly used in the production of irregular products. By injecting molten raw materials into the sealed mold, the molten material fills the mold, thereby cooling and forming. Obtain the required molds, and its products are widely used in aviation, aerospace, electronics, machinery, ships and automobiles and other fields. [0003] However, when the existing residence mold is demolded after the injection molding is completed, the thimble is often used to withstand the movement of the mold for demoulding. Since the mold is glued to the inner wall of the injection cavity to a greater extent after cooling in the injection cavity, it takes a large amount of time to...

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Problems solved by technology

[0003] However, when the existing residence mold is demolded after the injection molding is completed, the thimble is often used to withstand the movement of the mold for demoulding. Since the mold is glued to the inner wall of the injection cavity to a greater extent after cooling in the injection cavity, it takes a large amount of time to withstand it. The thrust can eject the mold and realize demoulding, which makes the thimble easily cause damage to the injection molded mold, thereby affecting the quality of the injection mold. However, some existing inflatable demoulding structures need to be equipped with air injection holes, which are easy to Affect the overall molding effect of the mold, and then affect the quality of the injection mold

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