Sinker driving mechanism of flat knitting machine

The invention discloses a sinker driving mechanism of a flat knitting machine, and relates to the technical field of flat knitting machines, the sinker driving mechanism comprises a bottom plate, a sinker and an insertion piece, the sinker is movably connected to the insertion piece, and the bottom plate is provided with a driving assembly and a reset block which are arranged front and back in the moving direction of the bottom plate; the sinker is provided with a sinker body, a heel, a pressing part and an elastic piece, the elastic piece is used for enabling the pressing part to have a trend of rotating in the direction away from the bottom plate, the driving assembly comprises a driving block and a limiting block which are overlapped in the moving direction of the bottom plate, and the driving block can be used for enabling the heel to rise in the height direction of the bottom plate through abutting fit; the limiting block can be used for limiting rotation of the pressing part through abutting fit, and th