Sewing machine special for flexible freight bags

The utility model provides a sewing machine special for a flexible freight bag, relates to the technical field of sewing machines, and solves the technical problems that an existing two-way conveyor conveys materials in two directions at the same time, the conveying effect is limited, the conveying effect is limited by a flexible conveying belt, and the conveying belt is prone to being damaged. The sewing seat is arranged in a sliding mode and used for installing a sewing machine, the sewing table is used for conveying the flexible freight bag pieces, the sewing table is rotationally arranged on a conveying seat arranged in a sliding mode, and the sewing table is provided with two sets of pressing rollers used for fixing the flexible freight bag pieces. Single-side sewing is completed through transportation of the conveying base on the second sliding rail, then flexible freight bag pieces are reversed through rotation of the rotating base, and then the conveying base returns on the second sliding rail to comp