Full-automatic constant-temperature heat treatment production line

The invention relates to a full-automatic constant-temperature heat treatment production line. The full-automatic constant-temperature heat treatment production line comprises a plurality of heatingfurnaces, quenching pools, a quenching pool water temperature adjusting system and a three-dimensional forklift, and the heating furnaces are provided with cabin doors capable of being opened and closed; the three-dimensional forklift comprises a lifting forklift capable of moving in the vertical direction and the horizontal direction, the three-dimensional forklift moves on a heat treatment guiderail, and the lifting forklift can enter the heating furnaces and the quenching pools; the heating furnaces are arranged along the heat treatment guide rail and located on the same side of the heat treatment guide rail; the quenching pools are sequentially arranged below the ground where the heat treatment guide rail is located, and the quenching pools correspond to the heating furnaces in a one-to-one mode; and the quench