Positioning mechanism and curling machine with same

The invention provides a positioning mechanism and a curling machine with the positioning mechanism, the positioning mechanism comprises a positioning module, the positioning module is internally provided with a positioning space for positioning a target workpiece, and the size of the positioning space is adjustably arranged; the shaping assembly comprises a first shaping piece and a second shaping piece, the first shaping piece and the second shaping piece are oppositely arranged, and the first shaping piece and the second shaping piece are located above the positioning space; wherein the first shaping piece and the second shaping piece are arranged in a relatively movable mode so that the target workpiece can be driven to deform in the process of clamping the target workpiece, the first clamping end face of the first shaping piece and the second clamping end face of the second shaping piece can be attached to the peripheral face of the target workpiece, and then the target workpiece is placed in the positio