Protective device for in-situ press machine

The utility model provides an in-situ press machine protection device which comprises an in-situ press machine body, a protection plate is attached to the right end of the in-situ press machine body, a metal plate is arranged on the right side of the middle of the upper end of the protection plate, a magnetic block is embedded in the edge of the upper side of the right end of the in-situ press machine body, and two shells are symmetrically arranged at the upper end of the protection plate. The shell is attached to the right end of the in-situ press machine body, the straight barrel is installed in the shell, the piston is slidably connected into the straight barrel, the middle position ejector rod is installed at the left end of the piston, the spraying pipe is arranged at the edge of the right side of the inner end of the straight barrel in a communicating mode, and an outlet of the spraying pipe extends into a through hole formed in the inner end of the shell. According to the design, the piston is used for