Manufacturing apparatus for accessory

A manufacturing apparatus for an accessory, the manufacturing apparatus machining a metal sheet material in a roll shape into a cup chain, and comprising:

• a magazine holding unit in which a material magazine that holds the metal sheet material in the roll shape is arranged;
• a material feeding unit
• that is arranged in a stage subsequent to the magazine holding unit, and
• that repeats
• conveyance in which the metal sheet material is fed forward from the material magazine, and
• stop of the conveyance;
• a die-set unit
• that is arranged in a stage subsequent to the material feeding unit, and
• that includes a die set which blanks the metal sheet material conveyed from the material feeding unit into a predetermined shape;
• a machining unit
• that is arranged in a stage subsequent to the die-set unit;
• and
• a guide unit
• that is provided between the material feeding unit and the die-set unit, and
• that flattens and feeds the metal sheet material conveyed from the material feeding unit to the die-set unit,
• the guide unit including a thickness restricting portion that restricts the metal sheet material in a thickness direction of the metal sheet material, and
• the thickness restricting portion including a slope portion for reducing a clearance in the thickness direction from an upstream side to a downstream side in a conveying direction of the metal sheet material, the clearance being formed by the thickness restricting portion.