Modularized seedling raising bed

The utility model discloses a modularization seedling bed, including culture pond box, activity subassembly, bearing subassembly and top frame, activity subassembly includes the frame body and the telescopic part that sets up in the culture pond box, the telescopic part is used for driving the frame body to lift, the bearing subassembly includes the belt body and the first rotation source that sets up on the frame body, the belt body is rotationally connected with the frame body through two groups of roller bodies, a plurality of groups of bulges are arranged on the outer side of the belt body, two adjacent groups of bulges form a placing groove for placing a seedling culture pot, the first rotating source is in driving connection with one group of roller bodies through a belt pulley group, the top frame is positioned above the culture pond box, and an illuminating lamp group is mounted on the top frame; after cultivation is completed, the telescopic part drives the frame body to ascend in the cultivation poo