Fixture for packaging material box

The invention belongs to the technical field of clamp clamping, and discloses a material box clamp which is used in the chip production process and comprises a mounting plate set, a clamping jaw assembly, a linkage assembly and a driving assembly, the clamping jaw assembly comprises a first hooking jaw and a second hooking jaw which are both rotationally connected to the mounting plate set, and the material box clamp further comprises a first clamping plate and a second clamping plate; the linkage assembly comprises a first linkage unit and a second linkage unit, the first linkage unit and the second linkage unit can get close to each other or get away from each other to drive the first hook claw and the second hook claw to hook or loosen the top plate, and the first clamping plate and the second clamping plate are connected to the sides, away from each other, of the first linkage unit and the second linkage unit correspondingly. The first linkage unit and the second linkage unit can drive the first clamping