Conveying belt falling cocoon recovery device

The utility model discloses a conveyer belt falling cocoon recovery device which comprises a cocoon guide groove installed below a conveyer belt, a falling cocoon transfer bin is fixedly installed in the middle of the cocoon guide groove, a cocoon falling opening communicated with the falling cocoon transfer bin is formed in the bottom wall of the cocoon guide groove, and a falling cocoon draining and collecting basket is arranged below or on one side of the conveyer belt. One side wall of the fallen cocoon transfer bin is connected with a water injection cocoon feeding device, and a fallen cocoon collecting guide groove is formed between the other opposite side wall of the fallen cocoon transfer bin and the fallen cocoon draining and collecting basket; the cocoons brought back by the conveying belt move downwards along the cocoon guide groove with water, when moving to the cocoon falling opening, the cocoons fall into the falling cocoon transfer bin, and the water flow flushes the falling cocoons into the fa