Modularized constant-temperature metal bath structure

The utility model relates to the technical field of heaters, and discloses a modularized constant-temperature metal bath structure which comprises a shell, a concave cavity is formed in the top of the shell, a metal bath module is arranged in the concave cavity, the metal bath module comprises an installation groove and a heat conduction base arranged at the bottom of the installation groove, and an electric heating assembly is arranged in the heat conduction base. The top surface of the heat conducting seat extends upwards to form a Y-shaped heat conducting strip, heating blocks are arranged between two adjacent edges of the Y-shaped heat conducting strip, the bottom surfaces of the heating blocks are attached to the top surface of the heat conducting seat, the adjacent inner side surfaces of the heating blocks are attached to two adjacent side surfaces of the Y-shaped heat conducting strip respectively, and the heating blocks are detachably connected with the heat conducting seat; a plurality of test tube p