Hot chamber die casting machine capable of automatically controlling temperature

The utility model belongs to the technical field of die-casting machines, and particularly relates to a hot chamber die-casting machine capable of automatically controlling temperature, which solves the problems of high cost and uncertain temperature in the prior art, and comprises a box body, the bottom of the box body is fixedly connected with four supporting legs which are symmetrically arranged through screws, a die-casting machine body is placed in the box body, by arranging an air blower, a gear and other structures, a refrigerator and a heater are installed in the fixing box, when refrigeration needs to be replaced, a rotary knob is rotated, the rotary knob drives the gear to rotate through a rotary shaft, the gear drives a rack to move upwards, and a support on one side of the rack drives the air blower to move upwards; the output end of the air blower slides on one side of the fixed box until the output end slides to the topmost part, the output end of the air blower blows out cold air outwards on on