Planer tool apron capable of rapidly replacing tool

The utility model discloses a planer tool apron capable of quickly replacing a tool, which belongs to the field of planer tool aprons and comprises a tool rest and a fixing bolt, a movable frame is mounted in the tool rest, a support rod is mounted at the front end of the movable frame, the tool is mounted in the support rod, a mounting piece is movably mounted in the support rod, and the mounting piece consists of a threaded sleeve and an anti-rotating block. The two anti-rotation blocks are symmetrically installed on the outer wall of the front side of the threaded sleeve, the fixing bolt is installed in the threaded sleeve, an installation frame is installed on the outer wall of the supporting rod, a fixing piece is installed on the supporting rod and the installation frame, the fixing piece is composed of a fixing pin, a baffle, a spring and a pull ball, and the fixing pin is sleeved with the baffle and the spring. The spring is located at the upper end of the baffle, the pull ball is installed at the upp