Heat treatment device for machining hardware products

The utility model provides a heat treatment device for processing hardware products, which belongs to the technical field of hardware products and comprises a box body, a first mounting seat is rotatably connected to the left side in the box body, and a second mounting seat is rotatably connected to the right side in the box body. A first mounting groove and a second mounting groove are formed in the ends, facing each other, of the first mounting base and the second mounting base correspondingly, the first mounting groove and the second mounting groove are used for containing hardware products, a first locking part is arranged in the first mounting groove, a second locking part is arranged in the second mounting groove, and the second mounting base is driven by a motor to rotate; a heating wire is arranged at the upper end in the box body in the left-right direction, two fans are arranged over the heating wire, and the two fans are driven by a driving mechanism to rotate synchronously; a cooling assembly is f