Sanding machine with polishing roller convenient to disassemble

The sanding machine comprises a bottom plate used for supporting, a side plate fixedly installed at the upper end of the bottom plate, a motor fixed to a sliding block, a lead screw, a limiting plate and the sliding block, the lower end of the lead screw is installed on the inner side of the upper end of the bottom plate, and a worm wheel is fixedly installed at the upper end of the lead screw; a worm is arranged on the front side of the worm gear, the left end and the right end of the worm are installed on the inner sides of the side plates, a limiting plate is fixedly installed on the inner sides of the upper portions of the side plates, a lead screw is arranged on the inner side of the limiting plate, a sliding block is installed on the outer side of the lead screw, and the inner side of the sliding block is connected with a connecting rod. According to the sanding machine with the polishing roller convenient to disassemble, the polishing roller and the mounting frame are fixed through a clamping structure