2. The valuable document receiving and alignment method as claimed in claim 1 , wherein said transversely tilted tunnel has a planar bottom wall relative to the horizontal within 10°˜89°.
2. The valuable document receiving and alignment method as claimed in claim 1 , wherein said transversely tilted tunnel has a planar bottom wall relative to the horizontal within 10°˜89°. 3. The valuable document receiving and alignment method as claimed in claim 2 , wherein said tilt angle is within the range of 30°˜75°.