牛头刨床通常没有自动抬刀装置。为了提高牛头刨床刨刀的使用寿命,保护工件表面光洁度和减轻劳动强度,在这里向读者介绍两种结构较为简单的自动抬刀装置。 图1是延吉市拖拉机配件厂工人革新的牛头刨床自动抬刀装置。两个支架1固定在床身上,策动块8固定在滑枕上。在滑枕向前作刨 Shaver usually does not automatically lift the knife device. In order to improve the service life of the shaper planing knife, protect the workpiece surface finish and reduce labor intensity, introduce two simple structure of the automatic lift knife device to the reader here. Figure 1 is Yanji tractor parts factory workers innovative shaper bed lift device automatically. Two brackets 1 are fixed on the bed body, and the locking block 8 is fixed on the ram. Plane forward in the ram