Vegetable harvesting spraying fresh-keeping device

The utility model relates to the technical field of spraying fresh-keeping equipment, in particular to a spraying fresh-keeping device for vegetable harvesting, which avoids the situation that vegetable farmers manually spray water to keep vegetables fresh, saves time and labor, simultaneously enables part of water to be reused, and saves water resources. Comprising a shell, a water pump, a connecting pipe, a fixing block, an atomizer, a spraying pipe, a motor, a rotating shaft, two sets of cams, a placing plate and an activated carbon filter screen, a cavity is formed in the shell, an injection and discharge pipe is arranged at the bottom of the right end of the shell, a control valve is arranged on the injection and discharge pipe, the water pump is fixed to the bottom of the left end of the shell, and the output end of the water pump is connected with the connecting pipe; the connecting pipe is fixed to the left end of the shell through a fixing block, the other end of the shell is connected with the atomi