Hot air circulation box for gibberellic acid production

The utility model discloses a hot air circulation box for gibberellic acid production, which relates to the technical field of hot air circulation boxes and comprises a box body and a lifting device arranged in the box body, the top of the box body is fixedly connected with an air duct communicated with the inside of the box body, and the lifting device comprises lifting frames symmetrically arranged on two side plates of the box body. Through grooves are symmetrically formed in the two ends of one side of the lifting frame, rotating shafts are symmetrically and rotationally connected to the positions, located at the through grooves, of the upper end and the lower end of an inner side plate of the lifting frame, and a motor is fixedly connected to the upper end of an outer side plate of the lifting frame; the rotating shaft located above the inner side plate of the lifting frame penetrates through one end of the lifting frame and is fixedly connected with an output shaft of a motor. According to the hot air c