| 摘要 |
Disclosed is a tool change apparatus for changing the tools of a machining center, which includes a frame for mounting the tool change apparatus, a cam follower device, a cylindrically shaped moveable member fixedly connected with the cam follower device for moving a clamp device fixedly attached to the free end of the moveable member, a first cylindrically shaped cam rotatably mounted on a shaft mounted on the frame, a second cylindrically shaped cam fixedly mounted on the frame, a drive gear device for rotating the first cam, a drive cam groove formed in the side surface of the first cam for driving the cam follower device, and a guide cam groove formed in the side surface of the second cam for guiding the cam follower. The first cam is snugly fitted into the second cam which snugly fitted into the moveable member, and the drive and guide cam grooves cooperate to move the cam follower and the moveable member to a position for changing the tools when the first cam is rotated in a direction.
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