Charging mechanism of vacuum heat treatment furnace

The utility model provides a charging mechanism of a vacuum heat treatment furnace, belonging to the technical field of machines and solving the technical problems of low charging efficiency and the like in the prior art. The charging mechanism comprises two linear sliding rails facing to a furnace door, wherein the linear sliding rails are connected with a fork lift on which a desk board is arranged; the upper end of a brake rod is pivoted at the front end of the desk board, and the lower end of the brake rod is detachably connected with the linear sliding rails; a charging basket is placed on the upper board surface of the desk board, a stripped hole is formed in a base along the horizontal direction, a guide rod passes through the stripped hole and is connected with the desk board, and a locating structure is arranged between the guide rod and the desk board; two infrared lasers are provided and are respectively and fixedly arranged at two sides of the rear end of the desk board and correspond to two sides of the charging basket; and the furnace door of the vacuum heat treatment furnace is provided with two targets respectively corresponding to the two infrared lasers. The charging mechanism can be used for increasing the charging efficiency.