Centralized cold water cooling heat exchange system of cigarette making machine

The utility model relates to the technical field of cigarette making machine cooling heat exchange, in particular to a cigarette making machine centralized cold water cooling heat exchange system which comprises a centralized cold water tank, a water outlet of the centralized cold water tank is communicated with a water outlet header pipe, the water outlet header pipe is communicated with a plurality of cooling water branch pipes, and each cooling water branch pipe is provided with a control regulating valve and a circulating pump. Each cooling water branch pipe is respectively communicated with a smoke gun cooling cavity and a motor cooling cavity through pipelines, the smoke gun cooling cavity and the motor cooling cavity are communicated with a water inlet of a heat exchanger after being converged through a warm water pipeline, the warm water pipeline is provided with a temperature detection unit, and a water outlet of the heat exchanger is communicated with a circulating water header pipe through a pipeli