Piece dropping operation table

The invention discloses a dropping operation table, and belongs to the technical field of biochemical instruments.The dropping operation table comprises a supporting seat and a protection frame arranged above the supporting seat, two supporting sleeves are symmetrically fixed to the surface of the supporting seat, lifting screws are rotationally connected into the supporting sleeves, lifting sleeves are in threaded connection with the outer walls of the lifting screws, and the lifting sleeves are in threaded connection with the outer walls of the lifting screws. A supporting box used for supporting the protection frame is installed at the top of the lifting sleeve, a fixing column is fixedly connected into the protection frame, two moving plates are slidably connected to the outer wall of the fixing column, supporting rods are arranged above the moving plates, and a supporting plate sliding in the protection frame is arranged above the supporting rods. The two ends of the supporting rod are rotationally conne