Plastic injection mold with material pushing plate

Abstract

The invention discloses a plastic injection mold with a material pushing plate. A mold core fixingplate is fixedly arranged on a fixed mold seat plate, a mold core is fixed on the mold core fixing plate, an inward concave surface is arranged on the excircle of the mold core, a mobile mold plate is fixed on a supporting plate, a first through hole is formed in the middle of the mobile mold plate and consists of a cylindrical hole and a broaching hole, a mold core insert is arranged in the cylindrical hole, the end surface of the mold core insert props against the end surface of the mold core, a runner hole is formed in the mold core, two side plate surfaces of the material pushing plate and the plate surfaces of the mold core fixing plate and the mobile mold plate can be respectively sealed, a second through hole is formed in the middle of the material pushing plate, an injection cavity is formed among the mold core, the mold core insert, the mobile mold plate, the material pushing plate and the mold core fixing plate, the runner hole and the injection cavity are communicated, the inner wall of the second through hole extends into the injection cavity, a strip-shaped hole is formed in a fixed-distance pull plate along the mold opening direction of the mobile mold plate, the material pushing plate and the mobile mold plate are respectively provided with a first screw and a second screw, and the rod parts of the first screw and the second screw are both arranged in strip-shaped holes in a penetrating manner.

Description

technical field [0001] The invention relates to plastic processing technology, in particular to a plastic injection mold with a pusher plate. Background technique [0002] Injection molding is a commonly used molding method for plastics. The injection molding equipment is an injection machine. The injection machine includes a fixed template, a core set on the fixed template and a movable template. A molding cavity is formed between the fixed template, the core and the movable template. After the plastic is molded, in order to facilitate the discharge, a push structure is set on the injection machine, and the push structure is located on the side of the movable platen. Therefore, the push-out structure of the entire mold is generally also set on the side of the movable platen. When the mold is opened, the plastic is usually left In the cavity of the moving template. But in some cases, due to the limitation of the shape of the plastic product, especially the surface of the pl...

AI Technical Summary

Problems solved by technology

But in some cases, due to the limitation of the shape of the plastic product, especially the surface of the plastic product has a concave surface, after the mold is opened, the plastic product will remain on the fixed template and the core, and the current existing push-out structure cannot successfully complete the above The discharge of plastic products is usually to force the plastic products out of the fixed template and core manually, which is not only inefficient, but also easy to damage the parts

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