Vacuum drying oven

The invention relates to the technical field of drying equipment, and discloses a vacuum drying oven which comprises an oven body and a door body arranged at an opening of the oven body and further comprises an inner container, a push rod assembly and a movable sealing strip. The inner container is arranged in the box body, and a door frame body is arranged at an opening; the push rod assembly is arranged between the box body and the inner container; the movable sealing strip is fixedly arranged at one end of the push rod assembly. When the door body is closed, the push rod assembly can drive the movable sealing strip to move and be connected to the door frame body in a clamped mode, so that the movable sealing strip is matched with the door body to seal the inner container. When the liner is decompressed, the movable sealing strip can be driven to be separated from the door frame body through the push rod assembly, so that the interior of the liner is decompressed quickly. Meanwhile, when the inner container