Pinch rolls for guiding the metal sheet (2) being conveyed along a pass line (L1) to the bent winding line (L2) from the pass line (L1) (10a, 10b) and is arranged at the end of the take-up line (L2), a metal plate ( 2) the volume taken mandrel 20 and the take-up line (L2) chute guide for introducing guide the upward side of the metal plate (2), and the metal plate (2) according to the volume lip 23 of the mandrel 20 ( 40a) for having, as a coiler device (1) comprising a chute guide (40a), chute guide (40a) includes a main body frame 70 and is mounted to the body frame 70, a guide plate (2) forming at least a portion of a guide surface 42 that is, a low coefficient of friction than the body frame 70 also employs a configuration in hardness than the metal plate (2) has a lower liner (72).