发明名称 |
Machine tool |
摘要 |
A machine tool with a vertically reciprocating spindle head has an automatic tool changer including a rotatingly indexable tool support connected to the machine tool frame and vertically movable independently of the spindle head, a first cam-and-crank mechanism activated by spindle head vertical movement to move the tool support with the spindle head during a portion of the tool changing operation, a second cam-and-crank mechanism also activated by spindle head vertical movement for opening and closing a tool holder on the tool support during another portion of the tool changing operation, and a vertical stop for preventing vertical movement of the tool support with the spindle head into the machining region.
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申请公布号 |
US4813122(A) |
申请公布日期 |
1989.03.21 |
申请号 |
US19870055071 |
申请日期 |
1987.05.28 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
WATANABE, KIKUO;KOBAYASHI, MITSUO;HIROSE, NOBORU;SATO, KEIICHI |
分类号 |
B23B39/20;B23Q3/157;(IPC1-7):B23Q3/157 |
主分类号 |
B23B39/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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