Hot air dryer for machining

The utility model relates to the technical field of machining, and discloses a hot air dryer for machining, which comprises a rack, a drying box is fixedly connected to the top end of the rack, an air blower is fixedly connected to the top end of the drying box, two fixing plates are fixedly connected to the top of the inner wall of the drying box, and T-shaped grooves are formed in the fixing plates. T-shaped blocks are slidably connected to the top ends of the T-shaped grooves, fixing blocks are fixedly connected to the bottom ends of the T-shaped blocks, connecting blocks are rotatably connected to the interiors of the fixing blocks, air guide plates are fixedly connected to the bottom ends of the connecting blocks, a heating assembly is arranged on the bottom side in the drying box, and an air draft assembly is arranged at the rear end of the drying box. According to the mechanical part drying device, the air blower, the fixing base, the heating device, the air guide plate and the fan are matched with one