Method and apparatus for pulling extrusions from an extrusion press
Abstract
Abstract THERE IS DISCLOSED AN EXTRUSION PULLER INCLUDING A GRIPPER ASSEMBLY SLIDABLE ON A RUNOUT TABLE AWAY FROM AND TOWARD A DIE OF AN EXTRUSION PRESS. THE GRIPPER ASSEMBLY INCLUDES A PLURALITY OF INDIVIDUAL GRIPPER ELEMENTS ENGAGEABLE WITH ONE OR MORE EXTRUSION SURFACES OF THE EXTRUSIONS. WHEN THE GRIPPER ELEMENTS ARE TRIGGERED INTO ENGAGEMENT WITH THE EXTRUSION SURFACES, THE EXTRUSIONS ARE GRIPPED AND THE GRIPPER ASSEMBLY IS DRIVEN TOWARD THE END OF THE RUNOUT TABLE. WHEN THE GRIPPER ASSEMBLY IS NEAR THE END OF THE RUNOUT TABLE THE GRIPPER ASSEMBLY IS OPERATED BY A CAM TO RELEASE THE EXTRUSIONS AND THE GRIPPER ELEMENTS OF THE GRIPPER ASSEMBLY ARE RESET BY THE CAM. UPON RELEASE OF THE EXTRUSIONS, THE FORWARD MOTION OF THE EXTRUSIONS IS ARRESTED, THE GRIPPER ASSEMBLY IS AUTOMATICALLY RETURNED TO ITS REST POSITION NEAR THE DIE WHEN THE EXTRUSIONS HAVE CLEARED THE RUNOUT TABLE. THE GRIPPER ASSEMBLY IS STARTED AND STOPPED BY A CLUTCH AND BRAKE ARRANGEMENT.
Inventors
- 👤 Max Engelhardt
- 👤 Kurt F Ziehm Jr
Bibliographic Details
Claims Analysis
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