Clamping and fixing mechanism for aerated block grooving machine

The utility model relates to the technical field of aerated block grooving, in particular to a clamping and fixing mechanism for an aerated block grooving machine, which comprises a workbench, a limiting plate for abutting against the side part of an aerated block is arranged above the workbench, and two pressing plates for pressing the upper surface of the aerated block are arranged on the limiting plate; a grooving area for a grooving machine to groove the upper surface of the aerated block is arranged between the two pressing plates, and the grooving area is located above the limiting plate; at least two vertically-arranged sliding rods are arranged on the upper surface of the workbench, friction pieces are arranged on the sliding rods, and a plurality of limiting holes allowing the friction pieces on the corresponding sliding rods to be embedded in a sliding mode are formed in the limiting plate. According to the aerated block fixing device, aerated blocks can be conveniently fixed. 本申请涉及加气块开槽的技术领域，尤其是涉及一