The utility model discloses a cloth automatic sampler, including frame and crush -cutting cutting die, be equipped with the cylinder in the frame, install the fixed block on the output shaft of this cylinder, should the fixed link mechanism that has connect in block, this link mechanism includes connecting rod and lower connecting rod, frame upper portion is equipped with the installation piece, it is connected through pivot and the rotation of installation piece to go up the small end, go up the connecting rod lower extreme, rotate through the round pin axle between small end and the fixed block down and link together, the connecting rod lower extreme rotates with the crush -cutting cutting die and is connected down, be equipped with the installing support in the frame, be equipped with the direction traveller in this installing support, crush -cutting cutting die activity suit is on this direction traveller. The utility model is simple in operation, small, occupation space is little, and the sample is unitized, and the resource is saved in the management of being convenient for.