Stripper ejector mechanism

Abstract

The invention relates to a stripper ejector mechanism which comprises a stripper and an integrated insert. The integrated insert comprises a mold core at the upper part and a fixed plate connected with the mold core and positioned at the lower part. The mold core at the upper part of the integrated insert is matched with the stripper. A cooling water passage is arranged on the stripper. A cooling water passage is arranged on the integrated insert. The mold core and the fixed plate are integrated into the integrated insert, so that the problem that the strength of the mold core is influenced due to a gap between the stripper and the mold core of a conventional die, so that the thickness of a product is nonuniform is solved, the requirement on the appearance of the product is ensured and the form of the stripper ejector mechanism is also ensured.

Description

technical field [0001] The invention relates to a push plate ejection structure, which belongs to the technical field of plastic molds. Background technique [0002] The product to be designed is a thin-walled deep-cavity plastic molding mold. The maximum length of the deep cavity of this product is 24mm, the width is 6.5mm, the depth is 52.8mm, and the thickness of the side wall is 1mm. The mold of this type of product is wider, thinner and taller than the core on the CORE side. The problem of core strength has a great impact on the product. Insufficient core strength leads to bending deformation, which affects the uneven thickness of the two sides of the product. In addition, because the appearance of the product is a textured surface, the product is squeezed after the core is bent, and the textured surface on the outside of the product is strained after the mold is opened. [0003] At present, for this kind of products, the push plate ejection form is generally adopted. ...

AI Technical Summary

Problems solved by technology

The mold of this type of product is wider, thinner and taller than the core on the CORE side. The problem of core strength has a great impact on the product. Insufficient core strength leads to bending deformation, which affects the uneven thickness of the two sides of the product.

In addition, because the appearance of the product is a textured surface, the product is squeezed after the core is bent, and the textured surface on the outside of the product is strained after the mold is opened.

[0003] At present, for this kind of products, the push plate ejection form is generally adopted. In the conventional design, there is a gap between the push plate and the core side core, so the height ratio of the core side core will be higher and the strength will be weaker. In this way, the product During the molding process, the pressure acts on the core, and the core is more likely to cause bending and deformation, resulting in uneven product thickness and stretching of the outer skin

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