Automatic feeding system of tunnel furnace

The utility model discloses an automatic feeding system of a tunnel furnace, which relates to the technical field of tunnel furnaces and comprises a tunnel furnace main body, a pre-burning furnace is mounted at the bottom of the right side of the tunnel furnace main body, container saggars are mounted on the front surface and the back surface of the top of the pre-burning furnace, and a bottom plate is fixedly connected to the bottom of the right side of the pre-burning furnace. The four corners of the right side of the top of the bottom plate are fixedly connected with telescopic bottom rods, and the tops of the telescopic bottom rods are fixedly connected with a material groove body. The automatic feeding system of the tunnel furnace is easy to operate and high in practicability, the tunnel furnace body and the pre-sintering furnace form a body structure of the tunnel furnace, a material pump, a discharging pipe, a telescopic material pumping pipe, a telescopic bottom rod and a material groove body are used