Steel wire thread insert cutting device

The utility model discloses a steel wire thread insert cut-off device which comprises a base, a frame body is fixedly installed on the top side of the base, an upper tool apron is installed on the frame body through a cut-off driving assembly, a lower tool apron is fixedly installed on the top side of the base, cutters are installed on the upper tool apron and the lower tool apron respectively, two cutter holes are formed in each cutter, and by loosening two transverse plates, the two cutter holes are formed in the upper tool apron and the lower tool apron respectively. Under the elastic action of the two corresponding groups of springs, the two movable plates are close to each other, so that the corresponding first insertion plates and second insertion plates are inserted into the same knife hole, the two first insertion plates are attached to the corresponding second insertion plates respectively, and the two movable plates are inserted into the same knife hole; at the moment, the two protruding plates on t