Chemical fabric quality detector

The utility model discloses a chemical fabric quality detection machine in the quality detection machine field, including casing, stretching subassembly, roll-in subassembly and transmission roller, stretching subassembly includes bottom plate, extension spring, electric cylinder and stretch rod, electric cylinder is fixed in the bottom of bottom plate, stretch rod passes through the bottom plate and is connected with electric cylinder, and the stretch rod passes through the bottom plate and is connected with the transmission roller. The extension spring is fixedly arranged on the top face of the bottom plate, a top plate is arranged at the top end of the extension rod, and a movable roller which penetrates through the top plate and is rotationally connected with the top plate is arranged on the side face of the top plate; according to the chemical fabric quality detection machine, the yarn strength, the tensile strength, the tearing capacity and the like of the chemical fabric are detected by arranging the s