Adjustable masonry wall slotting line snapping device

The invention discloses an adjustable masonry wall slotting line snapping device, and belongs to the technical field of masonry wall slotting equipment, the adjustable masonry wall slotting line snapping device comprises a rod body, a pulling mechanism, an ink coating mechanism, scales, a line snapping mechanism and a pressing mechanism, the rod body is internally hollow, the pulling mechanism is mounted at the end of the rod body, the pulling mechanism is connected with one end of a cotton line, and the other end of the cotton line is connected with the ink coating mechanism. The ink coating mechanism is slidably installed on the side face of the rod body and connected with the other end of the cotton thread, the scale is arranged on the side face of the rod body, and the initial scale is not zero. The thread snapping mechanism is installed in the rod body and connected with the outer surface of the cotton thread. The pressing mechanism is installed on the side face of the rod body and away from the cotton t