Automatic assembling mechanism of optical fiber array

The invention discloses an automatic assembling mechanism of an optical fiber array. The automatic assembly mechanism comprises a substrate conveying mechanism, substrate clamping mechanisms, an optical fiber conveying mechanism and a butt joint mechanism; a plurality of substrate clamping mechanisms moving on the substrate conveying mechanism are arranged in the substrate conveying mechanism, substrates with upward openings are clamped in the substrate clamping mechanisms, the optical fiber conveying mechanism is arranged on one side of the substrate conveying mechanism, the optical fiber conveying mechanism is linked with the substrate conveying mechanism, optical fibers are conveyed side by side through the optical fiber conveying mechanism, a butt joint mechanism is arranged between the optical fiber conveying mechanism and the substrate conveying mechanism, and butt joint is carried out through the butt joint mechanism; a cover plate covering mechanism is arranged on one side of the butt joint mechanism;