Intermittent chemical fertilizer spreading mechanism for agricultural machinery

The invention discloses an intermittent chemical fertilizer spreading mechanism for agricultural machinery, and relates to the field of agricultural machinery. The intermittent chemical fertilizer spreading mechanism for the agricultural machinery comprises an unmanned aerial vehicle rack, an unmanned aerial vehicle bottom support is arranged on the unmanned aerial vehicle rack, a supporting rod is arranged on the unmanned aerial vehicle bottom support, a fixing disc is arranged on the supporting rod, a first motor body is installed on the fixing disc, and a dispersing disc is arranged at the output end of the first motor body. According to the intermittent chemical fertilizer sowing mechanism for the agricultural machinery, an intermittent discharging pipe is adopted for discharging fertilizer in a chemical fertilizer storage box, in the discharging process, a second motor body is used for driving a discharging gear to move, the discharging speed is controlled through the rotating speed of the second motor b