On the frame, with two limit switch to control the reversing valves change rubber cutting knife movement direction, at the same time, also can protect the piston cylinder cylinder.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
2
The utility model relates to a built-in type magnetic reversing automatic reciprocating cylinder which comprises a cylinder body (3), a piston (5), an air inlet pipe (1) and an exhaust pipe (2);