Production process of headphone sheath

The invention relates to a production process of a headphone sheath, which comprises the following steps of: cutting and pressing cloth, namely cutting the cloth and stamping to form upper cloth, lower leather and decorative strip cloth; decorative strip cloth is processed, and the decorative strip cloth is bonded with a PET plate through a bonding jig; assembling the upper cloth and the decorative strip cloth, bonding one side of the PET plate with the upper cloth, performing press fit through a press fit device after bonding, sewing the upper cloth with the two long edge sides of the decorative strip cloth, and nailing the two ends of the decorative strip cloth; lower leather is processed, the surface of the lower leather is sewn, and the edges of the two sides of the lower leather are folded and sewn; the sheath is assembled, the upper cloth and the lower skin are fixed through an assembling jig, the two sides of the upper cloth and the two sides of the lower skin are sewn to form a sheath semi-finished pr