| 摘要 |
PURPOSE: A device for manufacturing a double wall sewage pipe is provided to reduce an occupation area by making piling possible to a predetermined height and to easily convey. CONSTITUTION: A device for manufacturing a double wall sewage pipe includes an extrusion part(2) having a first extruder(20) and a second extruder(21), a mixing part(3), a cooling part(4), a molding part(5), a coating molding part(6) and a cutting part(7). The mixing part extrudes materials supplied from the first and second extruders in a predetermined shape. The cooling part has a space, a spray device for spraying cooling water, a guide rod for preventing deviation, a vacuum device for making the space into a vacuum condition, and a door. The molding part has a multi-joint links connected with a shaft core on each gear of a gear box, a press roller and a shape maintaining plate mounted on a front end of the shaft core, and a cooling device for jetting cooling water. The coating molding part has a tank for supplying coating material for forming coating layer for adhering wadding threads and a supply pipe for coating the coating material stored in the tank. The cutting part cuts a finished product in a predetermined length.
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