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本专利造型机(见示图)有工作台40,其上装有振动子50,其下装有活塞42(配入气缸34)。活塞和气缸的上部四周围有可折波形膜套60。它两端分别与工作台40和固定的框架32相接,连接处需密封。在活塞42的大截面气道68内装有活塞80,它受弹簧82的作用下压。活塞80的塞杆76的下部穿过气道68下口密封端盖78的中孔。活塞42在原始位置时以本身的法兰54座落在气缸34的顶端,塞杆76的下端在弹簧
The patented molding machine (see illustration) has a workbench 40 on which is mounted a vibrator 50 under which a piston 42 (fitted to the cylinder 34) is mounted. Around the upper portion of the piston and cylinder foldable membrane sleeve 60. Both ends are respectively connected with the workbench 40 and the fixed frame 32, and the connection point needs to be sealed. A piston 80 is provided in the large-section air passage 68 of the piston 42 and is pressed down by the spring 82. The lower portion of the stem 76 of the piston 80 seals the center hole of the end cap 78 through the lower port of the air passage 68. In the home position, the piston 42 is seated with its own flange 54 on the top of the cylinder 34 and the lower end of the stem 76 is spring-