日本使用的一种木工电刨安全装置(图1)的特点是:刨床刃口的挡护板,随加工木料的推进,只能张开所进木料的宽度,而且加工完毕后,还能自动复位,以保障作业安全。图中①是刨床面板;②是刨刀刃口;③是装配在刃口前方两侧的直立轴④的固定板,将两块完全相同的安全板⑤的摇动联结脚,对称地套联在④上,⑤需与①平行并保 A woodworking planer safety device used in Japan (Fig. 1) is characterized in that: the guard plate of the planer blade can only open the width of the incoming wood with the advancement of the processing wood, and after processing is completed, it can be automatically Reset to ensure job safety. 1 is the planer panel; 2 is the edge of the planer blade; 3 is the fixing plate of the upright shaft 4 mounted on both sides of the front edge of the cutting edge, and the two rocking connecting legs of the same safety plate 5 are symmetrically connected in 4 On the 5, need to be parallel to 1