Safety door of die-casting machine

The utility model relates to a die-casting machine safety door which comprises a guide rail. A safety door body is connected to the guide rail in a sliding mode and comprises an operation door plate and a door frame, the door frame is connected with the guide rail in a sliding mode, the lower end of the operation door plate is rotationally connected with the door frame, and an air cylinder synchronously started along with a die closing mechanism of the die casting machine is installed on the side, close to the die casting machine, of the guide rail. A quick return assembly used for enabling the operation door plate to quickly rotate towards the side away from the die-casting machine is arranged on the upper side of the air cylinder, and the quick return assembly is installed on the side, close to the die-casting machine, of the operation door plate. 本申请涉及一种压铸机安全门，其包括导轨。所述导轨上滑动连接有安全门主体，所述安全门主体包括操作门板和门框，所述门框与所述导轨滑动连接，所述操作门板的下端与所述门框转动连接，所述导轨上近压铸机一侧安装有随压铸机的合模机构同步启动的气缸，所述气缸上侧设有用于使操作门板快速朝向远离压铸机一侧转动的急回组件，所述急回组件安装于所述