Grooving positioning frame for stone sidewalls

The utility model discloses a grooving positioning frame for stone sidewalls. The grooving positioning frame comprises a base plate, a support plate, a first riser and a second riser, wherein the first riser and the second riser, parallel to each other, are both vertically arranged on the base plate; the support plate is fixed on the first riser, and is parallel to the base plate. According to the utility model, the two parallel risers are both vertically fixed on the base plate to form a gap for placing stones; the support plate is fixed on the first riser, and is parallel to the base plate, so that the support plate can be used for supporting a saw blade of a marble machine; stable force on the stones in grooving can facilitate grooving precision, grooving efficiency and grooving quality.