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摘要

随着我国近几年经济的高速发展，国内的饲料机械技术在科学创新方面有了突飞猛进的发展。例如，牧羊集团和正昌集团他们是我国饲料机械发展最快的企业，他们的技术不仅引领全国，还可与先进国家技术相媲美。此次的毕业设计是以现有制粒设备为基础，并取长补短，进行了改造和创新，力求设计方案较现有产品在各方面性能都有所提高。现有的技术中，有一种环模制粒机，包括机架和圆筒形的中空环模，环模壁上径向开设有若干模孔，环模一端径向设有进料通道，所述环模经传动系统与动力输八机械相连接，环模内设有至少一个压棍，压棍可转动地安装在压辊固定的机构上，工作时，环模转动，物料从进料通道进入环模内，被环模带动，不断从压辊和环模之间空过，在压辊的挤压之下，物料被从模孔中挤出，被切刀装置切断后形成颗料装的物料；其不足之处在于：这种制料机工作效率低下。然而AHHC520制粒机使制粒效率大幅提高。

关键词：双环模；制粒机；有限元

Abstract

Internal and external combination 2-ring mould granulating machine is by powder feed conditioning (plus steam or water), extrusion die hole forming, cutting, cooling dry, crushing, screening, finally meet specific product quality made the request. It will cooperate with good various powder feed compressed into granules, changed the physical properties and feed biochemical performance and improve the feed utilization rate and to feed the applicability. Our feed industry late start, many granulating equipment compared with foreign equally, there is still a gap. Through the visit to feed machinery factory, many manufacturers domestic understanding of existing granulating equipment performance are this certain disadvantages. But along with the rapid development of economy in recent years, domestic feed machinery technology in scientific innovation has a breakneck development. For example, shepherd group and zhengchang group they feed machinery in China is the fastest growing enterprise, their technology not only lead the country, still can match with advanced countries technology. The graduation design based on existing granulating equipment for the foundation, and complement each other, reformation and innovation perpetuallystrive to design scheme is in all aspects of existing products performance is improved. The existing technology, have a kind of ring die granulating machine, including frame and the cylindrical hollow ring ring die wall module, open several model hole radial ring die end, with feeding channel, radial referred by the transmission system ring die with power lost eight mechanical connections, ring die equipped with at least one pressure stick, pressure stick can rotate installed in pressing roller fixed institutions, work, ring die rotating, material from incoming channel into the ring ring die mould, was driven, constantly from pressing roller and ring die, in space between the extrusion pressure roller, under from model hole material being squeezed by cutting knife device, off the material form makings outfit; Its defect lies in: this system feeder low productivity. Yet internal and external combination 2-ring mould granulating machine make granulating efficiency greatly improve.

Keywords: 2-ring mode； Granulating machine； FEA

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