The utility model discloses an it is multi -purpose to rolling baffle mechanism before steamed bun making machine, including stull down, left vertical support, upward stull, right vertical support andpreceding baffle, descend stull, left vertical support, go up a stull and right vertical support constitution rectangular frame, be provided with axial -position screw on the upper portion of the left and right sides of frame, it is fixed with left vertical support and right vertical support that axial -position screw passes through the nut, preceding baffle is arranged in the frame, and its bilateral symmetry is provided with the guiding orientation groove, and the axial -position screw center on guiding orientation groove center and left vertical support, the right vertical support differsapart from e. The utility model discloses a preceding baffle mechanism, preceding baffle has the guiding orientation groove, can open the rotation, and seal baffle in the time of not only can having regarded as unoperated state but also can regard as during operation flour receiving plate to use makes the flour that uses up back desirable play clearance whereabouts, and it is convenient to use with the clearance.