Mold insert with Slanting alternating water channels and production method thereof

Abstract

The invention provides a mold insert with slanting alternating water channels and a production method thereof. The mold insert comprises an inert body. The insert body is provided with a conical part with a circular bottom and an outer wall which is a conical surface. A plurality of slanting alternating water channel sets are arranged in the insert body. Each slanting alternating water channel set includes a left slanting water channel and a right slanting water channel, which enter the circular bottom of the insert body and linearly extend up to cross within the insert body. An included angle between an axis of each left slanting water channel and the circular bottom is equal to that between the axis of the corresponding right slanting water channel and the circular bottom, and a plane where the axes of the left and right slanting water channels are located tilts inwards towards a center line of the conical surface. The slanting alternating water channels are evenly distributed in the insert body along a same circle.

Description

technical field [0001] The invention relates to a plastic mold insert and a manufacturing method, in particular to a mold insert with an inclined alternating waterway structure and a manufacturing method thereof. Background technique [0002] see figure 1 and figure 2 , which shows a schematic diagram of a three-dimensional structure of a cylindrical cup-shaped plastic product and a schematic diagram of a three-dimensional structure of a mold insert used to form the plastic product. The plastic product 10 is in the shape of a tapered cylindrical cup with a large opening and a small bottom surface. The plastic mold insert is used to shape the inner surface of the plastic product 10 . The mold insert includes an insert body 20 which is a conical section with a circular bottom surface 21 and an outer wall of which is a conical surface 22 . The rubber material of the plastic product 10 is PC transparent material, and the mold temperature needs to be controlled at 60-120° C.,...

AI Technical Summary

Problems solved by technology

[0003] However, since the insert body has a tapered surface 22, if a traditional waterway design is adopted, for example, when the waterway is perpendicular to its circular bottom surface 21, the distance between the upper part of the said tapered surface 22 and the waterway is relatively close, and the said tapered surface The lower part of 22 is far away from the waterway, so the cooling effect of the upper part of the product is better during injection molding production, while the cooling effect of the lower part is poor, which will cause unbalanced cooling effect and cause differences in the transparency of the upper and lower parts of the product

Therefore, the cooling effect of the traditional waterway design for the mold insert is poor, and the transparency of the produced plastic product is relatively uneven, the product quality is poor, and it is difficult to meet the design requirements of the product

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