Automatic DNA sequencing assembly line device

The utility model discloses an automatic DNA (deoxyribonucleic acid) sequencing assembly line device, and relates to the technical field of biomolecule detection. The device comprises a sample collection tube buffer device, an assembly line bar code scanning device, a nucleic acid extraction and library building device, a library reagent tube centralized distribution device and a high-throughput sequencing system which are sequentially connected through a conveying belt, the nucleic acid extraction and library building device comprises a single nucleic acid purification library building instrument and a photoelectric sensor, one end of the single nucleic acid purification library building instrument is connected with the assembly line bar code scanning device, and the other end of the single nucleic acid purification library building instrument is connected with the library reagent tube centralized distribution device; according to the utility model, the high fusion of the front-end sample treatment of gene s