Core iron for pouring rear wall casting of 10M3 electric bucket

Abstract

The invention belongs to the technical field of electric bucket rear wall castings, and particularly relates to a core iron for pouring a 10M3 electric bucket rear wall casting, which comprises a bearing beam framework consisting of two main beams and two cross beams, a grid framework consisting of two main webs at two ends, a plurality of auxiliary webs and a plurality of auxiliary beams, and two lifting lugs arranged at two ends of each cross beam. The special core iron disclosed by the invention is convenient for manual molding and box closing operation, and the production efficiency is improved; the reinforcing ribs are placed in the middle core to play a role of a framework and improve the strength of the middle core; the dual functions of a weight and an internal chill are achieved; the special core iron and the lower box are locked through the box clamp, casting box lifting is prevented, and the product percent of pass is increased; and artillery fire accidents are prevented, safety risks are reduced, and safety production is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of electric bucket rear wall castings, and in particular relates to a 10M 3 Core iron for pouring castings on the rear wall of electric buckets. Background technique [0002] 10M of current foundry production 3 The rear wall casting of the electric bucket adopts a horizontal pouring position, and the horizontal center core is freely placed on the lower box. During the pouring process, due to the huge lifting force of the horizontal center core, a large amount of weight (about 40 tons) should be placed on the horizontal sand core when the box is closed. To prevent the sand core from being crushed, the pressing iron cannot be placed directly on the sand core, but can only be placed on the flange of the lower box, and the sand core and the core iron are squeezed tightly with a wedge plate. Such a cumbersome operation will seriously reduce production efficiency. , and there are also the following hidden dange...

AI Technical Summary

Problems solved by technology

Placing so many weights on such a small area of ​​less than 5 square meters, the space is severely limited, and it hinders the position of the gate, causing the pouring position to rise

The thickness of the wedges is uneven, making it difficult to prepare standard wedges

[0005] 3. It is necessary to prepare a large amount of pressed iron

[0006] 4. A gunfire accident occurred when castings were lifted, which is not conducive to safe production

Images