Sand shakeout machine capable of efficiently replacing plates

The shakeout machine comprises a machine frame, a plate replacing mechanism is arranged at the upper end of the machine frame, a motorized roller way is arranged below the plate replacing mechanism, and the motorized roller way is used for placing an iron mold; a jacking device is arranged below the motorized roller way, and sand hopper moving-out systems are arranged on the two sides of the jacking device. According to the utility model, the two top plates can be quickly switched, so that the working efficiency is improved, and the labor cost is reduced. 本实用新型公开了一种高效换板的落砂机，包括机架，机架的上端设有换板机构，换板机构下方设有机动辊道，机动辊道用于放置铁型；所述机动辊道下方设有顶升装置，顶升装置两侧设有砂斗移出系统。本实用新型能够通过实现两块顶板的快速切换，提高了工作效率，降低了人工成本。