Gas-assisted injection molding system

The utility model relates to a gas-assisted injection molding system, which comprises a mold and a gas feeding device. The mold comprises a front mold and a rear mold, a cavity is formed between the front mold and the rear mold, and a plastic passage communicated with the cavity is arranged on the f...

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Bibliographische Detailangaben
Hauptverfasser:	ZUO GUISHENG, HAO JUNCAI
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 relates to a gas-assisted injection molding system, which comprises a mold and a gas feeding device. The mold comprises a front mold and a rear mold, a cavity is formed between the front mold and the rear mold, and a plastic passage communicated with the cavity is arranged on the front mold or the rear mold. The gas feeding device comprises a gas source, a gas pressurizing portion and a gas filling portion in sequential connection, a gas passage communicated with the cavity is arranged on the front mold or the rear mold, and the gas filling portion is positioned inside the gas passage. By means of the gas-assisted injection molding system, the problem of sink marks on surfaces of products can be thoroughly solved, so that the surfaces of the products can be smooth, attractive and plump. In addition, internal stress and warping deformation of the products can be reduced so that the products are stable in size, and accordingly comprehensive performance of the products is evidently improved.