Combined mold for injection molding and method for manufacturing rotary parts using the mold

Abstract

The invention belongs to the technical field of high-end equipment manufacturing, in particular to a combined mold for injection molding. The combined mold for injection molding comprises a mounting base; stand columns are fixedly connected to the left and right sides of the top of the mounting base through bolts; a right half shaft is transversely inserted in the upper end of the stand column onthe right side; a fixed mold is mounted at the left end of the right half shaft; a hydraulic extension device is connected to the top center of the mounting base through a bolt; and a pin shaft frameis fixedly mounted at the top of an output end of the hydraulic extension device. A method for manufacturing a rotating piece by using the combined mold for injection molding comprises the specific steps of: (S1) mold closing, (S2) mold positioning, (S3) rotating piece molding, and (S4) demolding. The combined mold for injection molding improves the machining precision through a multi-place positioning mode, and reduces labors through mechanical control operation to improve the production efficiency.

Description

technical field [0001] The invention relates to the technical field of high-end equipment manufacturing, in particular to a combined mold for injection molding and a method for manufacturing a rotating part with the mold. Background technique [0002] The precision of the sliding or rolling movements of parting guides in injection molding machines inevitably involves so-called play or play. [0003] When injection molding is performed in such a mold configuration, the relative positions of the clamped molds are always slightly shifted because of the play required for sliding and rolling movements in the injection molding machine. Therefore, when molding a molded product such as a rotary pulley that requires high dimensional accuracy, a drop in dimensional accuracy due to the above-mentioned deviation becomes a problem. [0004] To this end, we propose a combined mold for injection molding and a method of manufacturing a rotating part using the mold. Contents of the invent...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a combined mold for injection molding and a method for manufacturing a rotating part with the mold, so as to solve the inaccurate precision of the sliding movement or rolling movement of the mold splitting guide mechanism in the injection molding machine proposed in the background art Avoid the so-called clearance or clearance, which causes the problem of the drop of dimensional accuracy

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