| 摘要 |
<p>A composite punching bookbinding machine of the present invention can adjust pass or pitch of holes. An ordinary punching bookbinding machine usually adopts one punching die assembly so as to the pitch of holes of the ordinary bookbinding machine cannot be adjusted. The composite punching bookbinding machine of the present invention includes a table-board (14). A left change over panel (6) and a right change over panel (10) are symmetrically provided on the table-board (14). A slotted disc (2) and a rocking arm (23) are provided outside the left change over panel (6). A dislocation fluted disc (11) is provided outside the right change over panel (10). A switch slot (3) is provided on the slotted disc (2). A punching groove (22) is provided on the rocking arm (23). Three to six groups of press knife assemblies (15) are provided between inside ends of the left change over panel (6) and the right change over panel (10). The press knife assembly (15) is equality located with an axial center of the left change over panel (6) and the right change over panel (10) as its center. An axis of the press knife of the press knife assembly (15) is adapt with the switch slot (3) and the punching groove (22). A limited groove (18) and a slipper guiding groove (16) are provide on the left change over panel (6) and the right change over panel (10). Each press knife assembly of the present invention can be switched to working position by turning the change over panel.</p> |
