自锁式安全挡销(见附图)的工作过程是:加料、捋料完毕,操作者左手打一下摇杆(7),右手将操作手柄下按,使锤头躲过挡铁(3)下行,压制砖坯。此时信号灯接点(4)导通,信号灯亮,警告对面工作人员不得将手伸入模口。压砖时,挡铁在扭簧(2)的作用下,紧靠滑板(1)滑动。 Self-locking safety stopper (see photo) work process is: feeding, the material is completed, the operator hit the left hand rocker (7), the right hand under the operating handle, so that the hammer escape the block iron (3) Down, suppress the brick. At this point the signal light contact (4) turns on, the signal light, warning the staff should not be reached across the mouth of the die. When the brick is pressed, the stopper iron slides against the sliding plate (1) under the action of the torsion spring (2).