| 摘要 |
A quick shifting and micro-adjusting device for the angle blocking plate of a planing machine includes a material conveying table connected with a fundamental base having a support member extending downward. A shaft able to slide axially has its inner end inserted through the support member and its outer end connected with a hand wheel. A transmission gear is firmly fitted on the intermediate portion of the shaft, having its upper portion properly protruding out of the upper side of fundamental base and able to move together with the shaft. An upper holding frame assembled on the fundamental base has a rack able to be engaged with or disengaged from the transmission gear. Thus, the angle block plate can be shifted quickly and micro-adjusted accurately by pushing, pulling and turning of the hand wheel.
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