Wire printing performance detection device

The utility model discloses a device for detecting the printing performance of a wire rod. The device comprises a rack, a wire feeding mechanism, a driving mechanism and a printing nozzle, the machine frame comprises a front plate, a rear plate and a plurality of supporting connecting columns, the wire inlet mechanism is installed in the space between the front plate and the rear plate and comprises a driving conveying wheel, a driven conveying wheel and a wire pressing structure, and the connecting line between the circle center of the driving conveying wheel and the circle center of the corresponding driven conveying wheel is perpendicular to the wire inlet path of the wire. The line pressing structure can horizontally push the driven conveying wheel to the direction of the driving conveying wheel; the driving mechanism is connected with the driving conveying wheel; a spray head mounting plate is arranged under the rack, a wire inlet sleeve is mounted above the spray head mounting plate, and a printing spra