Raw material grinding device for ointment preparation

The raw material grinding device comprises a grinding box, a feeding opening is formed in the top of the grinding box, a collecting box is arranged at the bottom of the grinding box, a grinding mechanism is arranged in the grinding box, and the grinding mechanism comprises two grinding rollers rotationally connected to the two sides of the interior of the grinding box correspondingly; the filter plate is movably connected to the bottom in the grinding box; the vibration assembly is arranged at the top of the filter plate and drives the filter plate to vibrate; the cleaning assembly is arranged at the bottoms of the two grinding rollers and used for cleaning the two grinding rollers; the driving assembly is arranged in the grinding box and used for driving the grinding roller, the vibration assembly and the cleaning assembly to move, a cam rotates to drive a filter plate to move up and down in a reciprocating mode, medicinal materials on the filter plate are vibrated off, the cam rotates to drive a cleaning br