Clamping device

The utility model discloses a clamping device, including the mounting panel, being equipped with fixture and lower fixture on the mounting panel, upward fixture all rotates with lower fixture and connects on the mounting panel, goes up fixture and arranges upper and lower the correspondence with lower fixture, it has the lower exposed core orientation rotation that is used for ordering about fixture's the downward fixture of last exposed core perhaps to drive actuating cylinder to the orientation pivoted of the lower exposed core of keeping away from down fixture to go up to link on the fixture, it is used for acting as the downward exposed core direction pivoted in -process of exposed core and forces down the exposed core exposed core direction pivoted lazytongs that makes progress in step with being equipped with between the fixture down to go up fixture, be equipped with down the lower exposed core that is used for forcing free state's lower fixture between fixture and the mounting panel to the direction p