Spraying robot with wide spraying range

The utility model discloses a spraying robot with a wide spraying range, which comprises a shell A, a shell B is arranged in the shell A in a sliding manner, a lifting mechanism is arranged in the shell B, and a spraying mechanism is arranged in the lifting mechanism. A fan-shaped rack can shield holes in a liquid outlet disc A and a liquid outlet disc B, so that whether liquid enters the fan-shaped rack or not can be controlled, the function of controlling the liquid outlet amount and the spraying area is achieved, liquid waste is prevented, a second motor is started to drive a gear A to rotate to be meshed with an annular rack, and a rotary disc is driven by the annular rack to rotate; and a first motor is started to enable a worm to rotate to drive a worm wheel to rotate, a rotating block rotates to drive a connecting rod to rotate in a convex block, a third lifting column slides outside a second lifting column to ascend and descend, and the height of the spraying mechanism can be adjusted for spraying. 本实