A rub device for watermelon seed

The application discloses a rub device for watermelon seed includes and rubs case, motor, pivot, nozzle and be located the structure of rubbing of rubbing the incasement, it includes bottom plate and screen cloth to rub the structure, the sieve mesh of screen cloth is less than the watermelon seed, and the screen cloth be cylindric, the screen cloth is connected on the bottom plate, the motor output is connected through pivot and bottom plate, the nozzle is connected on rubbing the case, and the nozzle is towards the screen cloth, rub bottom of the case portion and be equipped with the drain pipe, be equipped with the valve on the drain pipe. It is little, efficient to use the device to rub the watermelon seed degree of difficulty.