Rapid modeling tooling and rapid modeling method for large disc castings

Abstract

The invention relates to a rapid molding tooling for large disc castings and a rapid molding method thereof in the field of casting technology, wherein the rapid molding tooling for large disc castings includes a balance beam that is horizontally supported and connected above a sand box. The middle part of the beam is fixedly connected to the central shaft, and two horizontal cross arms are connected to the central shaft for rotation. The ends of the cross arms are fixedly connected to the sand scraping board. The cross-sectional shape of the shaft is adapted; the connecting end of the cross arm and the central shaft is connected through a rotating sleeve and a bearing sleeve, the sleeve is fixedly connected with the central shaft, and the outer circumference of the bearing sleeve is fixedly connected to the horizontal shaft through connecting ears. arm. When the molding tool of the present invention is used for molding large-scale disc castings, the molding method is simple and fast, and it is convenient to control the size of the cavity, and the molding cycle and molding cost are shortened.

Description

Technical field [0001] The invention relates to the field of casting technology, in particular to a rapid molding tool for large-scale disc castings and a rapid molding method thereof. Background technique [0002] In the prior art, there is a type of large disc or end cap castings, the diameter is generally more than 4000mm, such as figure 1 As shown, its structure is characterized by simple shape but large diameter. The conventional modeling methods of this type of casting are making molds, modeling, boxing, and pouring. However, due to the thin wall of the casting, the solid modeling cannot be fully realized. When the mold is made, the sand core structure needs to be added to increase the strength of the mold. There are disadvantages such as complex mold production, high cost, long cycle, and bulky mold that is not easy to lift. Summary of the invention [0003] One of the objectives of the present invention is to provide a rapid molding tool for large disk castings in view of...

AI Technical Summary

Problems solved by technology

However, due to the thin wall of the casting, the solid shape cannot be fully realized. When making the mold, it is necessary to increase the sand core structure to increase the strength of the mold. There are unfavorable factors such as complex mold making, high cost, long cycle time, and the mold is bulky and difficult to lift.

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