Angle-adjustable ruling machine

The utility model discloses an angle-adjustable ruling machine, which relates to the technical field of ruling machines and comprises a vehicle body and a brush roller, a machine body and a liquid conveying mechanism are mounted above the vehicle body, and a soot blowing mechanism is arranged on one side of the vehicle body. According to the ruling machine capable of adjusting the angle, when the spraying angle of a spray head needs to be adjusted according to different ruling requirements, a limiting rod can be pulled to one side, so that the limiting rod drives a reset spring to contract and drives the limiting rod to be separated from a tooth opening of an adjusting gear, then the spray head is rotated through a transmission shaft, and meanwhile the adjusting gear is driven to rotate; when the sprayer rotates to a proper angle, the limiting rod is loosened, the reset spring rebounds to drive the limiting rod to be inserted into a tooth opening of the adjusting gear, rotation of the adjusting gear is limite