Intermediate frequency furnace provided with casting material containing groove and used for vacuum pump casting machining

The utility model relates to the technical field of intermediate frequency furnaces, in particular to an intermediate frequency furnace provided with a casting material containing groove and used for vacuum pump casting machining, which comprises a furnace body, a furnace mouth is installed at the upper end of one side of the furnace body, a groove is formed in one side of the furnace body and located on the same side as the furnace mouth, and two symmetrically-distributed storage boxes are arranged in the groove. A driving mechanism is arranged on each storage box and is mounted on one side of the furnace body. A limiting frame is arranged between the two storage boxes, penetrating openings are formed in the two sides of the limiting frame and penetrate through the limiting frame, baffles are arranged at the penetrating openings, a plurality of casting materials are placed in the limiting frame, a friction wheel is driven by a first motor to rotate, the friction wheel drives the casting materials to move tow