Automatic overturning device for baking

The invention relates to an automatic overturning device for baking. The automatic overturning device comprises supporting frames, lifting rods, hangers, supporting-frame belt chain bearing grooves, horizontal-beam belt chain bearing grooves, bearings, chains, chain guide rails, connecting buckles, directional pulleys and motors. The automatic overturning device is characterized in that the four supporting frames (1) are vertically fixed in a baking room; the plurality of parallel horizontal-beam belt chain bearing grooves (5) which are formed in the upper part and the lower part of the two sides are fixedly connected with the front and rear supporting frame (1); the inner sides of the front and rear supporting frame (1) are vertically provided with the supporting-frame belt chain bearing grooves (4); the chain guide rails are arranged in the chain bearing grooves; the two ends of the lifting rods (2) are connected in holes of the connecting buckles (8) on the chain guide rails; the hangers (3) are hung on th