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《工程塑料应用》 2022年第01期
DOI:10.3969/j.issn.1001-3539.2022.01.018
汽车空调出风口注塑模优化设计
毛江峰
浙江工业职业技术学院,浙江绍兴 312000 
Optimal Design of Injection Mould for Outlet of Automobile Air Conditioner
Mao Jiangfeng
Zhejiang Industry Polytechnical College, Shaoxing 312000, China 
摘要:结合汽车空调出风口塑件的结构特点,使用局部分型和整体分型相结合的优化设计办法对模腔分型,依据塑件的脱模需要确定模具结构为单腔布局、直接浇口浇注两板模具。模具模架改进为增加1次开模打开,以驱动定模侧的斜顶机构完成先抽芯。针对塑件上众多且复杂的附加特征的脱模,设计了7个脱模机构用于这些特征的脱模,包括1个定模斜顶机构、2个动模斜顶机构,2个动模斜导柱滑块机构及2个动模油缸斜抽芯机构。动模斜顶机构优化为万能斜顶机构以缩减机构对模架尺寸的使用要求。各成型滑块上,针对小尺寸特征的成型,成型件优化设计为组合型小镶件,有效降低了滑块成型件的加工难度。模具结构布置合理,机构结构形式使用恰当,能为同类塑件的注塑模制造生产提供有益借鉴。 
Abstract:Combining the structural characteristics of the plastic part of outlet at automobile air conditioner, the optimized design method combining partial and overall parting was used to part the mould cavity. According to the demoulding needs of the plastic part, the mould structure was determined to be a single cavity layout and direct gate pouring with two plates. The mould base was improved to increase one opening of the mould to drive the inclined top mechanism on the fixed mould to complete the first core pulling. Aiming at the demoulding of numerous and complex additional features on the plastic part, seven demoulding mechanisms were designed for the demoulding of these features, including one fixed-mould inclined top mechanism, two moving-mould inclined top mechanisms, and two moving-mould angle pin slide mechanism and two moving-mould hydraulic cylinder angled core pulling mechanisms. The moving-mould inclined top mechanisms were optimized to a universal inclined top mechanisms to reduce the use requirements of the mechanism on the size of the mould base. On each molded slides, for the molding of small-size features, the molded parts were optimized as combined small inserts, which effectively reduced the processing difficulty of the molded parts of the slide. The reasonable layout of the mould structure and the proper use of the mechanism structure can provide a useful reference for the production of injection moulds for similar plastic parts. 
关键词:汽车空调;出风口;注塑模;优化设计;分型;机构设计 
Keywords:automobile air conditioner; air outlet; injection mould; optimized design; parting; mechanism design 
本文引用格式:
毛江峰.汽车空调出风口注塑模优化设计[J].工程塑料应用,2022,50(1):103-108.
Mao Jiangfeng. Optimal design of injection mould for outlet of automobile air conditioner[J]. Engineering Plastics Application,2022,50(1):103-108. 

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