Heating mechanism of seed-and-nut-roasting machine

The present invention discloses a heating mechanism of a seed-and-nut-roasting machine. The heating mechanism comprises a base seat. The top part of the base seat is symmetrically welded with two brackets; the top parts of the two brackets are welded with a same heating frame; the top part and bottom part of the heating frame are both hollow structures with openings; the inner walls of the two sides of the heating frame are symmetrically provided with two first grooves; a roasting box is arranged in the heating frame; both sides of the roasting box is symmetrically weldedly connected with rotating shafts; the rotating shafts are rotatably arranged in the first grooves; the lower part of the roasting box is symmetrically provided with two strip-shaped fixture blocks arranged in inner wallsof the two sides of the heating frame; one side of the strip-shaped fixture blocks close to each other is symmetrically provided with two second grooves with two opening sides; and two third grooves are symmetrically arranged