Spraying machine special for cotton defoliating agent

The utility model discloses a spraying machine special for a cotton defoliating agent, and relates to the field of cotton picking, the spraying machine comprises a mixing mechanism, the mixing mechanism comprises a box body, the top of the box body is provided with a filtering mechanism, the side face of the mixing mechanism is provided with a spraying mechanism, the back of the box body is provided with straps, the mixing mechanism further comprises a mixing box, and the mixing box is provided with a spraying mechanism; the mixing box is located in the box body, a partition plate is arranged at the bottom of the mixing box, the partition plate is located in the box body, and a controller is arranged below the partition plate. According to the device, a defoliating agent in the mixing box can be more thoroughly mixed with clear water, the agents do not need to be mixed in advance, the working efficiency of the device is improved, meanwhile, foam and impurities can be prevented from entering the mixing box, th