Grinding tool for inner wall of spray rod of pesticide sprayer

The invention discloses a grinding tool for the inner wall of a spray rod of a pesticide sprayer. The grinding tool comprises a grinding base, wherein an end cover sleeves the right side of the grinding base; one end of the side wall of the front side plate of the grinding base is fixedly equipped with a drive shaft; the middle part of the side wall of the front side plate is perpendicularly fixedwith a first positioning shaft; the other end of the side wall of the front side plate is equipped and fixed with a rotary shaft; one end of the drive shaft is equipped and fixed with a drive wheel;the other end of the drive shaft is connected with the power output end of a reduction motor; the reduction motor is equipped and fixed on the inner surface of the side wall of the rear side plate ofthe grinding base; the position, at one end of the drive shaft, of the outer surface of the rear side plate is fixedly equipped with a positioning table; the end surface of the positioning table is equipped with a first rotary