Slag vertical mill device for mineral powder

The utility model discloses a slag vertical mill device for mineral powder. The device comprises a base, a speed reducer, a motor, an oil cylinder, an energy accumulator, a rocker arm, a grinding roller, a millstone and a millstone frame, a speed reducer is fixedly connected to the middle of the top end of the base; a motor power output end is movably inserted into the left side of the speed reducer; according to the utility model, the buffer is supported by the bottom block; when the grinding roller falls from a high position, the grinding roller is supported by the tray; the telescopic rod at the bottom of the tray is primarily buffered through spring compression on the surface; the stopcock at the bottom of the telescopic rod impacts the rubber buffer pad for secondary buffering; buffering columns on the two sides of the bottom of the tray frame are aligned with buffering grooves in the tops of buffering bases for impacting. The service life of the buffer is prolonged by wrapping the zinc coating on the ou