Constant temperature electroplating bath

The utility model relates to a constant temperature electroplating bath, in particular to the constant temperature electroplating bath with a function of accurately controlling the temperature of plating solution. The constant temperature electroplating bath comprises a bath body and a controller. A bath cover is arranged at the opening part of the bath body. The constant temperature electroplating bath is characterized in that a vertical clapboard for dividing the bath body into a main bath and an auxiliary bath is arranged in the bath body; spray nozzles are uniformly distributed at the bottom of the main bath; outlets of the spray nozzles are communicated with an inner cavity of the main bath; an electric heater and a temperature control probe are arranged in the auxiliary bath; both the electric heater and the temperature control probe are connected with the controller through lead wires; a water pump is arranged outside the bath body; and an inlet and an outlet of the water pump are respectively communic