Cylinder-valve needle type cold runner injection molding system

The utility model discloses a cylinder-valve needle type cold runner injection molding system which comprises a runner device, cylinder blocks, valve needle devices and cooling devices. The valve needle devices are disposed inside the runner device and provided with valve needles in transmission con...

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Bibliographische Detailangaben
1. Verfasser:	GAO XIANGZHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model discloses a cylinder-valve needle type cold runner injection molding system which comprises a runner device, cylinder blocks, valve needle devices and cooling devices. The valve needle devices are disposed inside the runner device and provided with valve needles in transmission connection with the cylinder blocks, the cooling devices are arranged on the bottom peripheries of the valve needles, and the runner device is provided with a heating component which is arranged on the peripheries of the bottom ends of the cooling devices. The cylinder-valve needle type cold runner injection molding system is more suitably applied to the injection molding process of multi-cavity valve needles, compact in structure and convenient to detach, and injection molding materials are saved while production cost is lowered.