Efficient screening device for mining

The efficient screening device for mining comprises a fixing frame, the upper surface of the fixing frame is fixedly connected with a shell, a guide groove is formed in the top of the shell, a second baffle is movably connected into the guide groove, one side of the second baffle penetrates through the shell and is fixedly connected with a rack, the outer wall of one side of the shell is fixedly connected with a motor, and the outer wall of the other side of the shell is fixedly connected with the motor. A rotating shaft is movably connected to one side of the shell, one end of an output shaft of the motor penetrates through the shell to be fixed to the rotating shaft, and a first screening plate is movably connected to the inner wall of one side of the shell. According to the device, stones can be intermittently discharged through the second baffle, the discharging effect of the device is improved, meanwhile, the stones can be fully screened through matched use of the first screening plate and the second scr