The invention discloses a
watermelon seed processing device and method. The
watermelon seed processing device comprises a puffing device, a
drying device and a conveying device, the puffing device comprises a support, a rack and a charging
barrel, one end of the rack is hinged to the support while the other of the same is connected with the support through a first oil cylinder, a driving motor, anelectric heater and multiple groups of supporting wheels are mounted in the rack, the charging
barrel is arranged in the rack, multiple circles of rails are fixedly mounted outside the charging
barrel, each rail is assembled on the corresponding supporting wheel, the driving motor drives the charging barrel to rotate on the supporting wheels through a gear and a gear ring, an end cap is mounted on each of two sides of the charging barrel, the electric heater is arranged below the charging barrel, an air incoming
pipe and an air exhausting
pipe are communicated on the two end caps respectively, and a valve is mounted on each of the air incoming
pipe and the air exhausting pipe. The
watermelon seed processing device can puff watermelon seeds to enable the surfaces of the watermelon seeds togenerate cracks and damage surface shells of the watermelon seeds, in this way, the watermelon seeds are easy to be shelled.