Improved automatic drip irrigation tape throttler

The utility model discloses an improved automatic drip irrigation tape throttler which comprises a barrel, a through hole is formed in the top of the barrel, two handrails are symmetrically and fixedly installed on the outer side of the barrel, a knotting mechanism is installed in the barrel, a fixed cut-off mechanism is installed on the knotting mechanism, and the knotting mechanism comprises a rotating ring located in the barrel. Two connecting rods are symmetrically and fixedly mounted at the bottom of the rotating ring, and a clamping frame is fixedly mounted at the bottom ends of the two connecting rods; according to the rotary knotting device for the drip irrigation belt, through the cooperation of the motor, the transmission shaft, the driving gear and the driven gear, the top cylinder can conveniently drive the rotary ring to rotate, the clamping frame is driven to rotate through the two connecting rods, and then an iron wire in the clamping frame can be knotted in a rotating mode, so that knotting of