Plate loading and unloading equipment for plasma cutting machine

The invention discloses plate loading and unloading equipment for a plasma cutting machine, and belongs to the technical field of plasma cutting machines. A clamping assembly is arranged on the innerside wall of a cutting machine frame body and located below a U-shaped seat; a placing assembly for placing and lifting a plate is arranged on one side of the cutting machine frame body; a column bodyis arranged on one side, away from the cutting machine frame body, of the placing assembly; a push rod is arranged on one side, facing the cutting machine frame body, of the column body; the height of an output end of the push rod is equal to the height of a roller in a transmission assembly on the inner side of the cutting machine frame body; a height detector is arranged at the top, facing to one side of the placing assembly, of the cutting machine frame body; a dust collecting net is arranged at the bottom of the cutting machine frame body; and a dust collecting bin capable of being pushedand pulled is arranged on