Adjustable hemmer

The utility model relates to an adjustable hemmer which comprises a base, a fixing frame arranged on the base and a hemming cylinder located on the base and provided with an outlet end and an inlet end. The adjustable hemmer is characterized in that the hemming cylinder is composed of an upper hemming structure and a lower hemming structure, the lower hemming structure is fixedly connected with the fixing frame, the fixing frame is provided with an adjusting support, an adjusting groove is formed in the adjusting support, the upper hemming structure is movably connected with the adjusting support through a screw rod, one end of the screw rod is fixedly connected with the upper hemming structure, the other end of the screw rod penetrates through the adjusting groove, and a nut is arranged at the end of the screw rod. Due to the fact that the adjusting support is arranged on the fixing frame, the size of the hemmer can be conveniently and rapidly adjusted so that the hemmer can adapt to different specifications of fabric, the time spent for replacing and adjusting a mold is saved, and the working efficiency is greatly improved.