電腦風扇的塑料模具設計與數控加工編程

材料成型及控制工程論文，論文編號:JX1368  論文字數:16112.頁數:37

摘 要
 隨著現(xiàn)代工業(yè)發(fā)展的需要，塑料制品在工業(yè)、農業(yè)和日常生活等各個領域的應用越來越廣泛，質量要求也越來越高。在塑料制品的生產中，高質量的模具設計、先進的模具制造設備、合理的加工工藝、優(yōu)質的模具材料和現(xiàn)代化的成型設備等都是成形優(yōu)質塑件的重要條件。
 本文通過對電腦風扇注塑模具的要求進行分析。然后利用Pro／Engineer的模塊功能結合產品的特性進行模具結構設計。確定了分型面、澆注系統(tǒng)，推出機構、冷卻系統(tǒng)等，選擇了注射機，計算了成型零部件的尺寸。并根據按鈕零件注塑模具的要求對注射機的各參數進行了校核。最后用AutoCAD軟件繪制了一套模具的裝配圖和零件圖。最后，對模具的型芯、型腔進行體積塊加工、輪廓加工、曲面加工等加工方法進行模具加工。

關鍵詞：電腦風扇  注塑模具  模具設計  數控編程

Abstract
 With modern industrial development, the plastic products industry, are widely used in agriculture and daily life, and other fields, also the quality requirements have become more sophisticated. In plastic products, the production and quality of mold design, advanced mold manufacturing equipment and reasonable processing, die quality materials and modern equipment are molding quality plastic parts forming an important condition.
This paper discussed the design of plastic injection mould of button parts. Use Pro／Engineer of the characteristics of the products for mold design. The author determined the parting surfaces and the gating system and Release the organization, cooling system etc, choose the injection molding machine，calculated the sizes of the molding parts. adopted to sprinkle directly in the design, make use of to keep lead the pillar direction fixed position, push the pole crest to anticipate, and carried on the choice to the material of the molding tool. According button injection mold parts to the requirements of the injection parameters of the machine was calibrated. And the author also drew a set of mold assembling chart and parts chart using AutoCAD software. Finally, the mold core, cavity to block the processing volume, the outline of processing, surface processing and other processing methods mold processing.
 
Keywords: Computer fans   Injection mold   Die design   NC Programming

目 錄
摘 要 i
Abstract ii
目 錄 iii
第一章 概述 1
1.1注塑模具的的國內外現(xiàn)狀及發(fā)展趨勢 1
1.2注塑模具簡介 2
1.2.1注塑模具的組成 2
1.2.2注塑模具的分類 3
第二章 基于Pro／E的塑料制品的設計 6
2.1塑料制品設計基礎 6
2.1.1塑料性質 6
2.1.2塑料設計工藝要求 6
2.2注塑件設計要點 8
2.3 Pro／E塑料制品設計基本流程 10
2.4 零件的分析 10
2.4.1零件材料 10
2.4.2零件注塑工藝分析 10
2.4.3零件結構 11
2.4.4零件的體積 11
第三章 注塑模具設計 13
3.1注射機初選 13
3.2型腔數目的確定 13
3.2分型面的選擇 15
3.3澆注系統(tǒng)設計 16
3.3.1澆注口設計 16
3.3.2主流道設計 17
3.4結構零部件設計 18
3.4.1注射模的標準模架 18
3.4.2固定板、支承板 19
3.4.3支承件 20
3.4.4動定模座板 21
3.4.5合模導向機構設計 21
3.5成型零部件設計 23
3.5.1側壁厚度的計算及校核 23
3.5.2型腔底板厚度的計算及校核 24
3.6推出機構設計 25
3.7冷卻系統(tǒng)的設計 26
3.8排氣系統(tǒng)的設計 27
3.9模具閉合高度的確定和校核 28
第四章 加工工藝 29
4.1凸模工藝分析及刀路規(guī)劃 29
4.1.1凸模分析 29
4.1.2刀路規(guī)劃 29
4.2凹模工藝分析及刀路規(guī)劃 29
4.2.1凹模分析 29
4.2.2刀路規(guī)劃 30
第五章 總結 31
參考文獻 32