Inverted precision plastic mold and assembling method of mold oil cylinder

Abstract

The invention discloses an inverted precision plastic mold. The inverted precision plastic mold comprises a front mold plate, a push plate and an oil cylinder, wherein a glue inlet is formed in the front mold plate; the oil cylinder comprises a cylinder body, a telescopic rod and a clamping block, the clamping block is fixed at one end, far away from the cylinder body, of the telescopic rod, a fixed plate is fixed on the cylinder body, the telescopic rod extends out of the fixed plate, the fixed plate fixes the cylinder body on the push plate through a plurality of sets of fixing screws, two groups of oil cylinders are arranged on the two sides of the inverted precision plastic mold respectively, a first notch allowing the telescopic rod to penetrate through is formed in the side end surface of the push plate, a second notch for containing the clamping block is formed in the side end face of the front mold plate, clamping grooves are formed in the middle positions of the two sides of the clamping block, a clamping strip matched with the clamping groove is arranged on the inner side wall of the second notch, and a pin connecting component which is inserted into the clamping connecting block in the horizontal direction is arranged in the front mold plate. The inverted precision plastic mold provided by the invention has the effects of convenience and firmness in installation of the oil cylinder.

Description

technical field [0001] The invention relates to the field of mold technology, in particular to an assembly method of an inverted precision plastic mold and a mold oil cylinder. Background technique [0002] For large-area injection molding products (such as trash can lids), generally speaking, the glue inlet will be designed in the middle of the mold, but this will affect the appearance of the injection molded product. For products with relatively high appearance requirements, there should be no glue inlet on the appearance , There can be no parting lines, no ejection marks, etc., so ordinary molds cannot be used for production. [0003] A Chinese utility model patent with a publication number of CN206011595U has now been retrieved, which discloses an inverted mold with high appearance, including an upper fixed plate, a lower fixed plate, and an oil cylinder. The upper fixed plate is provided with a front template, and the front template The lower end of the lower end is pr...

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned existing technical solutions have the following defects: since the oil cylinder 5 needs to drive the push plate 4 to move when it is working, the action is generally more violent, and it is difficult to fix the oil cylinder 5 only by a fixed plate 1 and several fixing screws 2. There is often a situation where the oil cylinder 5 is loose, which indirectly causes the oil cylinder 5 to push the push plate 4 to move less than the expected end position, which makes it difficult to remove the film and take out the injection molded product, so it needs to be improved

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