Binding device for hay binding for livestock breeding and working method thereof

The invention discloses a binding device for hay binding for livestock breeding and a working method thereof, and particularly relates to the technical field of hay treatment. The binding device comprises a base, a binding box is arranged at the top of the base, a binding cavity is formed in the middle of the binding box in a penetrating mode, and a plurality of clamping plate assemblies are arranged in the binding cavity at intervals; each clamping plate assembly comprises a first clamping plate fixedly connected with the inner wall of the binding box, a movable second clamping plate is arranged on the side, away from the inner wall of the binding box, of each first clamping plate, binding grooves are formed in the opposite faces of each first clamping plate and the corresponding second clamping plate, and an open groove is formed in the bottom of each clamping plate assembly. According to the binding device, through the arrangement of the clamping plate assemblies, when binding ropes move in the binding gro