Anti-cracking high-strength circulating spheroidizing annealing furnace

The utility model provides an anti-cracking high-strength circulating spheroidizing annealing furnace. The anti-cracking high-strength circulating spheroidizing annealing furnace comprises a furnace body assembly, a furnace door, an electric control cabinet, a temperature controller and a handle, according to the annealing furnace, the heating plate heats the interior of the annealing furnace body, and meanwhile, the circulating fan enables air in the annealing furnace body to be in a flowing state, so that the temperature in the annealing furnace body is uniform, the phenomenon of cracking of workpieces during annealing is avoided, high-strength workpieces can be processed favorably, and the functionality of the annealing furnace is improved; according to the annealing furnace, a workpiece is placed in the placing groove of the placing plate, annealing operation of the workpiece is facilitated, the sliding block is arranged in the sliding rail, the placing stability of the workpiece is guaranteed during anne