Matrix clamp capable of controlling clamping angle for grafting machine

The utility model discloses a matrix clamp for controlling a clamping angle for a grafting machine, and relates to the technical field of grafting machines. The matrix clamp comprises a mounting plate, a rotary cylinder and a matrix clamp body, wherein the mounting plate and the rotary cylinder are used for mounting the matrix clamp; a shell of a rotary cylinder is fixedly mounted on one side surface of the mounting plate; a rotary table on the rotary cylinder penetrates through the mounting plate; the matrix clamp body comprises a fixed clamp body and a movable clamp body; the fixed clamp body and the movable clamp body are fixedly mounted on the mounting plate and the rotating table respectively; a rotating table on the rotating cylinder controls the rotating angle of the movable clamp body; limiting columns used for limiting the rotation angle range of the movable clamp body are arranged on the portions, on the two sides of the movable clamp body, of the mounting plate. The range of the included angle betw