Automatic mixing and dispensing machine for roadbed lime-clay

The invention provides an automatic mixing and dispensing machine for roadbed lime-clay. The automatic mixing and dispensing machine for the roadbed lime-clay effectively solves the problems that prior roadbed lime-clay backfill operating technology needs excessive equipment, the ratio of components in the roadbed lime-clay is hard to control, humidity of the lime-clay cannot be controlled, constructing environment is poor, and efficiency is low. The automatic mixing and dispensing machine for the roadbed lime-clay comprises a towing tractor, a frame is arranged on the towing tractor, and a water tank is arranged on the frame; a first water pipe, a second water pipe and a third water pipe are arranged below the water tank; a mixing device located on the frame is arranged below the first water pipe, a buffering device is arranged at the right side of the mixing device, a humidifying device is arranged at the left side of the mixing device, a spreading device is arranged at the left side of the humidifying devi