Automatic extracting device for core movable blocks of integrated turbine casing exhaust air chamber

Abstract

The invention discloses an automatic extracting device for core movable blocks of an integrated turbine casing exhaust air chamber. The automatic extracting device comprises a core box body, wherein a plurality of sand core molding parts are arranged on the core box body at intervals; a plurality of movable block accommodation cavities of which the bottoms are opened are correspondingly arranged below the sand core molding parts on the core box body; a movable block is arranged in each movable block accommodation cavity in a matching way; all the movable blocks are arranged on a base at intervals; and a driving device is connected to the base. According to the automatic extracting device for the core movable blocks of the integrated turbine casing exhaust air chamber, all the movable blocks are combined and integrated on the base and the base is driven by the driving device to move, thereby driving all the movable blocks to synchronously move; the matching precision of the movable blocks and the core box body is improved, and the dimensional precision of a produced sand core is improved; the damage caused by bump in the use process of the movable blocks is basically avoided, and the maintenance cost of a mold is reduced; and full-automatic production of the sand core is realized, and compared with a mode of manually placing the movable blocks, the automatic extracting device has the advantage that the production efficiency is improved by 50 to 100 percent.

Description

technical field [0001] The invention belongs to the manufacturing technology of a turbine shell, in particular to an integrated automatic extraction device for a core loose block of an exhaust gas chamber of a turbine shell. Background technique [0002] The structural design of the exhaust gas chamber of the turbine shell is relatively complicated. Generally, it is necessary to design a loose block to form a shape that cannot be directly demoulded. According to the different parting directions, at least one loose block needs to be designed. The conventional practice in the industry is to design a loose block socket on the core box body to place the loose block, and when the mold is demoulded, the live block and the sand core are pushed out of the core box body and then the live block is manually extracted. Since the live blocks have to be manually placed and extracted, the production efficiency is low, and the damage rate of the live blocks due to bumping is high. Content...

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Problems solved by technology

[0003] The purpose of the present invention is to provide an integrated automatic extraction device for the core of the exhaust gas chamber of the turbine shell, which has the characteristics of saving manpower, high production efficiency and reducing production costs, so as to solve the problems of manual placement and extraction of loose blocks in the prior art. above question

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