abstract<br>With the rapid development of the automobile industry, new models are updated more and more frequently. A high-quality injection mold for interior parts is very important to the development of the industry. After analyzing the structure of the storage panel of automotive interior parts, UG software is used to design the product. Open the mold base library, export the mold base, design the runner plate, add standard parts, design the temperature control system and gating system, and design the hot runner mold with pneumatic control needle valve nozzle. The design process and the calculation method of the key structure are explained. The design principle of hot runner structure of die can be successfully used in production practice.<br>Key words: automotive interior storage panel; air pressure control needle valve nozzle; hot runner; mold flow analysis; UG<br>
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