Compression mould with trapezoidal longitudinal guide lock structure

Abstract

The invention relates to a compression mould with a trapezoidal longitudinal guide lock structure. The compression mould comprises an upper die and a lower die, and is characterized in that: the upper die and the lower die are provided with trapezoidal longitudinal guide locks which are interlocked and matched with each other in favor of longitudinal guiding and positioning between the upper die and the lower die respectively; the upper end of the upper die is arranged on an upper chute plate; the lower end of the lower die is arranged on a lower chute plate; the upper chute plate and the lower chute plate are fixed to an upper bed plate and a lower bed plate through positioning blocks and bolts respectively; the front sides of both the upper die and the lower die are provided with a front upper positioning plate and a front lower positioning plate; the rear sides of both the upper die and the lower die are provided with a rear upper positioning plate and a rear lower positioning plate; the left and right sides of the upper die and the lower die are positioned by an upper die frame and a lower die frame respectively; the upper die frame is fixed to the upper bed plate through the bolts; and the lower die frame is fixed to the lower bed plate through distance bolts. The compression mould has the advantages of improving the positioning accuracy of moulds, prolonging the service life of the moulds and reducing the reject rate of products in turn.

Description

technical field [0001] The invention relates to a compression mold with a trapezoidal longitudinal guide lock structure, which is suitable for the design and manufacture of plastic molding molds in the machinery manufacturing industry. Background technique [0002] At present, the "rectangular longitudinal guide lock" precision positioning one-mold multi-piece compression mold technology is widely used at home and abroad to produce long-axis shaft thermosetting plastic parts. The radial size deviation of the product is caused by the wrong mold between the upper and lower molds. There are two technical problems in the production and application of this type of mold in various manufacturers in my country: (1) It must be used in conjunction with high-guiding precision presses and mold bases, while the equipment conditions and mold base manufacturing accuracy conditions of domestic factories are uneven. Difficult to be universally adapted, difficult to adjust production, and low...

AI Technical Summary

Problems solved by technology

There are two technical problems in the production and application of this type of mold in various manufacturers in my country: (1) It must be used in conjunction with high-guiding precision presses and mold bases, while the equipment conditions and mold base manufacturing accuracy conditions of domestic factories are uneven. Difficult to be universally adapted, difficult to adjust production, and low mold life; (2) Difficult to process precision guide locks, low positioning accuracy of domestic imitated molds, high rejection rate of products, and can only rely on imports

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