Chemical material screening machine with grinding function

The utility model provides a chemical material screening machine with a grinding function, and belongs to the technical field of chemical material screening. The chemical material screening machine with the grinding function comprises a basic assembly and an auxiliary discharging assembly. The basic assembly comprises a base, a spring, a screening box, a vibration motor, a grinding device, a filter screen, a first driving piece and a baffle. The auxiliary discharging assembly comprises a second driving piece, a third driving piece and a brush, the second driving piece is fixed to the outer side portion of the screening box, and the tail end of a piston rod of the second driving piece penetrates through the side portion of the screening box and is fixedly connected with the third driving piece through a second fixing rod; the brush is fixed to the top end of a piston rod of the third driving piece. According to the chemical material screening machine with the grinding function, material particles blocked in th