Accurate fixed length cutting device of cylindricality welding wire

The utility model discloses an accurate fixed length cutting device of cylindricality welding wire, including frame, threading ware, cutting arm, transmission device, welding wire groove and control panel, transmission device establishes at the inside transmission welding wire of frame, still being equipped with on the bottom in welding wire groove and deciding long chute, it has automatic gliding locating piece to decide the long chute in -connection, is equipped with displacement sensor and locking ware on the locating piece, displacement sensor and locking ware connection control panel, cutting arm locates the top in the welding wire groove to cutting arm is including flexible arm, step motor, cutter head, cutting motor, control panel connects cutting arm's step motor, the other end at flexible arm, cutting motor connection control panel and cutter head are fixed to the cutter head. The utility model discloses a fixed length cutting device has realized automatic fixed length, cutting to the welding wire, h