Centralized water purification and supply system for medical treatment

The invention relates to the technical field of medical instruments, and discloses a medical centralized water purification and supply system which comprises a purification box, a water inlet pipe opening and a water outlet pipe opening are fixedly connected to the purification box, and an impurity removal mechanism used for fishing impurities in waste water is connected to the interior of the purification box. A first motor is controlled to be started, the first motor operates to drive a rotating shaft to rotate, the rotating shaft rotates to drive a rotating disc to rotate, the rotating disc rotates to drive a first crank, a second crank and a mounting plate to move through a hinge block, and crank connecting rod movement is formed; and the counterweight plate is used for enabling the screen mesh to be always kept in a horizontal state as far as possible under the acting force of the screen mesh, so that impurities floating in the water supply barrel can be fished by utilizing the screen mesh, and the conti