Feeding mechanism for lockstitch sewing machine

The utility model provides a feeding mechanism for a lockstitch sewing machine, which relates to the technical field of feeding mechanisms and comprises a bottom plate, two groups of support frames are fixedly mounted on the upper side of the bottom plate, a driving mechanism is mounted on the bottom plate, a conveying mechanism is mounted on the two groups of support frames, one side of the conveying mechanism is connected with the driving mechanism, and the conveying mechanism comprises a fixed roller. An adjusting roller is arranged on the upper side of the fixed roller, the driving mechanism drives the fixed roller to rotate in the axial direction of the fixed roller, and the flattening mechanism is installed on the upper side of the bottom plate. The production efficiency is effectively improved, the screw rod is rotated, the screw rod is in threaded connection with the supporting frame and drives the moving block to move, and the moving block drives the adjusting block to move through the compression sp