| 摘要 |
<p>The lever system (6, 7) for the press guard, which is used to open and close the flap (10) when the cage (8) is opened by a pneumatic cylinder and is connected to tension springs (15) which close the flap or cage of the press guard when the supply to the pneumatic cylinder fails. The lever system is locked at the same time. The ends of the levers (6, 7) are connected to a cage (8) and a flap (10). The stroke of the operating cylinder and the ratio of the lever system can be adjusted to suit the height of the workpiece. When the springs operate the lever system, a pin (17) locks in a notch in one of the levers.</p> |
