Drug detection sample preparation device

The utility model discloses a drug detection sample preparation device, and belongs to the technical field of detection equipment. The defects that in the prior art, a traditional medicine detection sample preparation device is low in sample treatment speed, insufficient in grinding and high in equipment investment cost are overcome. The main body structure of the device comprises a rack, a motor and a crushing box are arranged on the rack, a sample injection box is arranged at the upper end of the crushing box, a discharge port is formed in the lower end of the crushing box, a screen installed in the crushing box is arranged above the discharge port, and a receiver is arranged below the discharge port; a rotating shaft penetrates through the middle of the smashing box, the motor is in transmission connection with the rotating shaft through a coupler, a smashing shaft is installed on the periphery of the rotating shaft through a connecting plate, and one or more smashing protrusions are arranged on the smashi