| 摘要 |
<p>A two-stage injection machine comprises a screw (4) connected with a rotary driver, a screw cylinder (3) and an injection cylinder (8), wherein the front end of the screw cylinder (3) is communicated to the injection cylinder (8) by a communicating pipe (6) with a non-return valve, and a rod plunger (10) is slideably mounted in the ring support (11) inside the back end of the injection cylinder (8), and the input opening (7) of the injection cylinder (8) is formed in front of the ring support (11).</p> |
