Aerated block cutting device with positioning and clamping functions

The utility model discloses an aerated block cutting device with positioning and clamping functions. The device comprises a workbench, a first baffle and a second baffle, the first baffle is vertically arranged in the middle of the top of the workbench. The base is movably connected with the workbench; two parallel sliding blocks are arranged on the side face of the first baffle. The sliding blockis horizontally arranged on the side wall of the first baffle. One end of the sliding block is welded with the first baffle plate; two parallel limiting grooves are formed in the side face of the sliding block. The bottom end of the limiting groove is welded to the workbench. One end of the sliding block is embedded into the limiting groove; the limiting block is movably connected with the limiting groove; a first fastening rotary knob is arranged at the top of the limiting groove, the bottom end of the first fastening rotary knob is arranged in the middle of the top of the limiting groove ina penetrating mode and mo