Quick dismantling protective cover group for bench sawing machine

The utility model relates to a quick dismantling protecting cover group for a bench saw machine. The utility model is mainly formed by assembling a protecting cover, a stopping plate, a protecting sheet, a riving knife plate, an extension board, etc. in order, wherein the extension board is fixed to a preset position on one side of a bench saw machine seat; a quick dismantling handle group is fixedly arranged at one end of the extension board, the riving knife plate can be quick assembled on the extension board, and the protecting sheet penetrates through the riving knife plate and is arranged on the bench saw machine; simultaneously, the stopping plate and the protecting cover are orderly clamped and limited to a positioning hole of the riving knife plate respectively through a quick dismantling device. The components of the quick dismantling protecting cover group are fixedly connected in a spacing mode through quick dismantling mechanisms and can be quick assembled and disassembled without tools, the assembling efficiency can be effectively improved and the working time can be saved.