Printing machine water circulative cooling system

The utility model belongs to the technical field of printing machine temperature control, especially, relate to a printing machine water circulative cooling system, include the water tank and spray the water catch bowl, the water tank is equipped with delivery port and return water mouth, the delivery port intercommunication has the water pump, the exit end of water pump passes through the cooling water inlet intercommunication of raceway and printing machine, the coolant outlet of printing machine with return water mouth intercommunication, the raceway is located spray in the water catch bowl, the bottom intercommunication that sprays the water catch bowl sprays the pump, the top of raceway is equipped with the shower, spray the pump with the shower intercommunication, the shower is equipped with a plurality of shower nozzles. The utility model discloses an utilizing the extraneous water to spray inside water, driving inside water and carry out cold and hot exchange, reach the effect that reduces inside temp