Thermal insulation conveying box body

The utility model discloses a thermal insulation conveying box body, which is characterized in that a frame is a cuboid frame formed by enclosing cross beam section bars and upright section bars, sealing plates are arranged on each surface of the periphery of the frame, a conveying line is arranged in the frame, entrances and exits are arranged on the sealing plates at the front and the back in the conveying direction of the conveying line, and movable doors are correspondingly arranged at the entrances and the exits; four linear guide rods perpendicular to the ground direction are arranged on the sides of the four vertical profiles, linear bearings are arranged on the guide rods in a sleeved mode, the movable doors are fixedly connected with the linear bearings, each movable door is correspondingly provided with one or two air cylinders to drive the movable door, and the movable doors are driven by the air cylinders to move up and down in the guide rod direction. And opening or closing of the entrance and ex