Automatic feeding device applied to silkworm breeding

The utility model discloses an automatic feeding device applied to silkworm breeding, and relates to the related technical field of agriculture. The device comprises a material bearing box, a pneumatic cylinder, a base and a box body, the lower portion of one side of the material bearing box is rotationally connected with a discharging guide rail, a pressing plate is fixed to the front portion of the side, close to the material bearing box, in the discharging guide rail, the pneumatic cylinder is connected with a sealing plate through a pneumatic column, and the base is connected with a first pressing switch and a second pressing switch through supporting blocks. A rotating motor is arranged in front of the box body, and the side, away from the bearing box, of the discharging guide rail is supported on the top of the box body. By arranging the material bearing box, the pneumatic cylinder, the base and the box body, the feeding device solves the problems that an existing feeding device for silkworm breeding ca