Abstract: Sand casting is one of the main processes for the current production of complex parts.The technical difficulty,excess auxiliary machinery and process integration of complex parts production are all closely related to the design of the molding line.In view of a series of problems existing in the current sand casting production line,such as unstable sand mold transportation and positioning,inefficient recycling of auxiliary equipment,low production efficiency, and redundant human resources,a horizontal splitting fully automatic molding line is designed,which mainly includes the entire production line key mechanisms such as layout,bottom plate clamping mechanism,box pressing iron conversion device,bottom plate conversion device,mold ejection device and sand trough belt conveyor,and it is based on Programmable Logic Controller (PLC) to accurately control the coordination of each key component operation,realizing automatic control of the production process.Practical applications have shown that the designed fully automatic horizontal parting molding line can realize automatic molding pouring and sand shakeout of sand casting products,effectively improving the smoothness and production efficiency of the production line space,reducing human labor intensity,and optimizing production environment.

Key words: sand casting, horizontal splitting molding line, fully automatic, recyclable flask