Punching device for panel lamp shell machining

The utility model discloses a punching device for panel light shell processing, which comprises a workbench, a fixed disc is arranged on the outer wall of the top of the workbench, a rotating bead is fixedly arranged on the inner wall of one side of the fixed disc, the fixed disc is clamped with a half-tooth rotating disc, and the half-tooth rotating disc is in rolling connection with the rotating bead. The semi-tooth rotating disc is connected with a first power assembly in an engaged mode, the first power assembly is fixedly installed on one side wall of the workbench, an L-shaped supporting column is fixedly installed on the outer wall of the top of the semi-tooth rotating disc, and a clamping block is fixedly installed on the inner wall of one side of the L-shaped supporting column. Through the arrangement of a half-tooth rotating disc, a rotating ball, a first forward and reverse rotation motor, a first driving gear, an L-shaped supporting column, a clamping block, a toothed moving block, a sliding groov