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汽車空調拔叉注射模擬及其模具設計
摘 要
塑料在工業(yè)生產及人們日常生活中的應用越來越普遍。其中，塑件在汽車制造中也有廣泛的應用，因此，研究注射模具對塑料產品的生產過程和提高產品質量均有重要意義。
本文介紹了注射成型的基本原理，以汽車空調拔叉塑件為對象研究了單分型面注射模具的結構與工作原理，對塑件的結構工藝性進行了分析，設計了模具及模具工作零件，重點介紹了冷流道注射模具澆注系統(tǒng)、冷卻系統(tǒng)和頂出系統(tǒng)，以汽車空調拔叉塑件的成型工藝對模具推出機構、抽芯機構等進行了設計。選擇了注塑機和塑件的尺寸公差、精度，對模具及模具工作零件進行了校核。校驗合格后，可進行塑件加工工藝規(guī)程的編制，以充分保證塑件的質量。
經(jīng)試模后，該塑件便可投入生產，具有良好的經(jīng)濟性。
關鍵詞：空調拔叉，注射模,分型面,澆注系統(tǒng)，抽芯機構
Automotive air conditioning pull fork-injection simulation of mold design
Abstract
The increasing application of plastics in industrial production and daily life.Among them, the plastic parts in the automobile manufacturing a wide range of applications，Therefore, injection molds for plastic products, production processes and improve product quality are important.
This article describes the basic principles of injection molding.Fork plastic parts to automotive air conditioning for the object to study the structure and working principle of a single injection mold parting surface,The plastic parts of the structure and technology analysis,design of the mold and mold parts,Focuses on a cold runner injection mold gating system, cooling system, ejection system,Automotive air conditioning pull the fork plastic molding process to mold launch of the agency, the pulling mechanism design.Selected injection molding machine and plastic parts of the dimensional tolerances, precision,Check mold and mold parts.Checksum qualified for the preparation of the plastic parts process planning, in order to fully guarantee the quality of the plastic parts.
After the test mode, the plastic parts can be put into production, has a good economy.
Key words: Air conditioning fork, Injection mold, Parting surfaces, Gating system, Pulling mechanism