Yarn torsion detection device for chinlon production

The utility model relates to the technical field of chinlon production, in particular to a yarn torsion detection device for chinlon production, which comprises a bottom plate, a first mounting cavity is arranged at the rear end in the bottom plate, a connecting rod is arranged in the first mounting cavity, a fixing sleeve is sleeved outside the connecting rod, flexible springs are arranged on two sides of the fixing sleeve, and the flexible springs are arranged in the first mounting cavity. A mounting block is fixedly connected to the upper surface of the fixing sleeve, a second mounting cavity is formed in the mounting block, a detection motor is fixedly connected to the inner bottom surface of the second mounting cavity, and a rotating shaft is fixedly connected to the output end of the detection motor. According to the yarn torsion detection device, the first fixing block is driven to rotate through detection rotation, so that torsion detection is conducted on the yarn, meanwhile, when the detection motor