Special presser foot for training cap lining

The utility model discloses a special presser foot for exercise and training cap linings, which comprises a presser foot column and a presser foot rod, rotating shafts are rotatably connected to the centers of the two sides of an inner cavity of the presser foot column through bearings, rollers are arranged on the surfaces of the rotating shafts, first sliding grooves are formed in the front surfaces of the two sides of the inner cavity of the presser foot column, and the first sliding grooves are communicated with the rotating shafts. A first sliding block is slidably connected to an inner cavity of the first sliding groove, a fixing block is bolted to the opposite side of the first sliding block, through a second spring, a moving rod, a connecting rod, a connecting block and a clamping block, a user can conveniently install the presser foot, use is convenient, disassembly is convenient, the user pulls a pull ring reversely, the pull ring drives the connecting block to move reversely, and the user can conven