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。
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.
一种内置式磁力换向自动往复汽缸，包括汽缸体（3）、活塞（5）、进气管（1）、和排气管（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);
本实用新型提供一种气动输送装置，包括缸体、活塞杆，活塞封，两侧的储气室，换向器，各内部通路。
The utility model provides a pneumatic conveying device, which includes a cylinder body, a piston rod, a piston seal, air storage Chambers on two sides, a reverser, and each inside passage.
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