Quantitative seed filling mechanism

The invention discloses a quantitative seed packaging mechanism, and belongs to the field of seed packaging mechanical equipment. A translation blanking baffle is tightly attached to the lower side of a seed storage hopper in a sliding manner; a seed metering round can is vertically and fixedly arranged on the translation blanking baffle in a penetrating manner; a seed collecting hopper is vertically and fixedly arranged on a seed packaging support at the lower side of the seed metering round tank; a reciprocating translation guide rod at the upper end of a round can translation push plate is arranged on a guide rod reciprocating sleeve in the horizontal direction in a sliding manner; the end part of the upper side of a turntable reciprocating guide shaft is fixedly connected with the circle center of a reciprocating rotating disk; the conveying direction of a round can conveyor belt is parallel to the moving direction of the round can translation push plate; and a round can feeding pipe frame is horizontally