The invention discloses a
machining square groove cleaning and
grinding device. The
machining square groove cleaning and
grinding device comprises a base, a support, a
grinding device and a fixing device, wherein the support is in sliding connection with the base, the grinding device is fixed at the end of the support, the fixing device is located on the upper surface of the base, the support comprises a fixing rod and a working rod, a trapezoidal sliding block is arranged at the bottom end of the fixing rod, a
hydraulic cylinder is fixedly connected to the upper end of the fixing rod, a working rod is arranged at the output end of the
hydraulic cylinder, the working rod is perpendicularly and fixedly connected with the output end of the
hydraulic cylinder, threads are arranged on the surface of the working rod, the grinding device is rotationally connected with the working rod through the threads, and the grinding device is perpendicular to the working rod. A guide rail is arranged onthe surface of the base, the trapezoidal sliding block can slide on the surface of the base, a positioning function is realized, and a detachable grinding tool and a cleaning
brush head are arrangedat the bottom of the grinding device, so that scraps are cleared away during
polishing of a square groove, and the working efficiency of the grinding device is improved.