Waste extrusion blow molding system

Abstract

The invention relates to the field of a blow molding technology, and provides a waste extrusion blow molding system. Corner wastes are recycled, the system is environment-friendly, low in cost and free of secondary pollution, high appearance gloss is achieved, no welding line defects exist, and a subsequent electroplating and paint spraying technology used for covering a welding line is avoided; negative pressure traction force is used for carrying out traction on a blank, after the blank is discharged, the blank rapidly and stably enters a mold cavity, the whole process is short in time, the phenomenon that due to fast crystallization, the blank is hard to form, and material are stacked and accumulated is effectively avoided, the part rejection rate is reduced, labor hour is saved, production efficiency is improved, the beneficial effects of being high in strength, toughness and cost performance are achieved, and the beneficial effects of being attractive in appearance, diverse in modeling, green and environment friendly in technology and the like are achieved.

Description

technical field [0001] The invention belongs to the technical field of mold parts processing, and in particular relates to a waste material extrusion blow molding system. Background technique [0002] At this stage, plastic materials are widely used in people's production and life, and the annual waste plastics and plastic waste raw materials are gradually increasing. For these wastes, the usual method is to treat them as garbage. At this stage, whether it is Whether it is incineration or landfill, the pollution caused by a large amount of plastic waste is unavoidable. [0003] At present, with the rapid development of the plastics industry, plastic products are widely used in all walks of life and penetrate into all aspects of people's production and life. As one of the important molding methods in plastic processing, injection molding is widely used in various fields of national economy. However, with the increasing application of plastic products, people put forward hig...

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Problems solved by technology

[0004] The current conventional blow molding processing method, waterway and auxiliary equipment make the weld line on the appearance surface unavoidable, and can only be covered by the subsequent electroplating and painting process, resulting in complicated product processes, high product scrap rate, high energy consumption, and large pollution.

The waterway design of the traditional mold requires the temperature to be as constant as possible, but when the plastic flows in the mold, the temperature of the front plastic gradually decreases, and when the two front plastic strands meet, due to the drop in temperature, an obvious visible line is formed at the docking position, which is called welding. line, resulting in product appearance defects and reduced strength

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