Novel injection mold

Abstract

The invention discloses a novel injection mold. The novel injection mold comprises an upper mold, a lower mold, positioning pins, positioning holes, springs, an inner baffle plate and an outer baffle plate, wherein the positioning pins are arranged at two short side edges of the upper mold; the positioning holes are formed in two short side edges of the lower mold; the springs are arranged between the positioning holes in the side edge of the lower mold; the inner baffle plate is arranged at the inner edge of the lower mold; the outer baffle plate is arranged at the outer edge of the upper mold; air vent holes are formed in the middle of the upper mold; a movable pin is arranged in the middle of each air vent hole; a sealing ring is arranged at the bottom end of each movable pin. The novel injection mold is simple in structure and reasonable in design; by virtue of the air vent holes, when the mold is internally heated in a closing process of the upper mold and the lower mold, air can be vented from the air vent holes, so that the pressure of internal air and external air is consistent, and the defects of a product are prevented; when raw materials are completely filled into the mold, the movable pins are blocked to prevent the raw materials from being leaked; by virtue of the inner baffle plate and the outer baffle plate, gaps of the mold are reduced, so that redundant parts of the raw materials cannot be leaked, and waste is reduced. The novel injection mold is suitable for energetic popularization and application.

Description

technical field [0001] The invention relates to the field of molds, in particular to a novel injection mold. Background technique [0002] At present, the existing injection molds are all in the upper and lower closing mode. When the mold is closed and the raw materials are heated, the air inside the mold is not completely removed, which may easily cause inconsistent pressure inside and outside the mold, resulting in defects in the product, especially because there is a gap between the upper and lower molds. Existence makes raw materials easy to leak, resulting in waste of raw materials, so the existing injection mold still has a lot of improvement points. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a new type of injection mold with simple structure and reasonable design. [0004] In order to solve the above problems, the present invention adopts the following technical scheme: comprising an upper mold and a...

AI Technical Summary

Problems solved by technology

[0002] At present, the existing injection molds are all in the upper and lower closing mode. When the mold is closed and the raw materials are heated, the air inside the mold is not completely removed, which may easily cause inconsistent pressure inside and outside the mold, resulting in defects in the product, especially because there is a gap between the upper and lower molds. Existence makes raw materials easy to leak, resulting in waste of raw materials, so the existing injection mold still has a lot of improvement points

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