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鹽城工學院本科生畢業(yè)設計說明書 2009
三通管注塑模具設計
摘 要：模具工業(yè)是國民經(jīng)濟的基礎工業(yè)，而塑料模具又是整個模具行業(yè)的霸主。本次設計的是聚氯乙烯塑件（三通管），因為該制件三面通孔，故采用的是一模一腔注射，使用雙分型面模具，利用側(cè)向抽芯機構(gòu)去除型芯。注射機的選擇應依據(jù)制件的質(zhì)量和體積，并且對注射劑的參數(shù)進行校核。該產(chǎn)品采用點澆口注射，并利用間隙排氣。型腔是由兩鑲塊構(gòu)成，利用斜滑軌側(cè)向分型，并通過限位銷限制抽芯的距離。該模具通過推桿推出制件，閉合時，同樣在導柱和導套的導向作用下通過復位桿的彈簧使復位桿先于型腔復位，以免頂桿碰到型腔，損壞模具。借助三維軟件PRO/E進行模具的三維造型，并對模具分析，簡化了設計過程，減少了勞動量。本次模具設計合理，符合實際應用，能夠生產(chǎn)結(jié)構(gòu)合理、精度高、表面質(zhì)量好的塑料模具。
關(guān)鍵詞：注射模；型腔；型芯；PRO/E
Design of Injection Mold for Tee
Abstract: The mold industry is the national economical foundation,and the plastic mold is also the overlord in the entire mold industry. The design is plastic parts of HPVC. Because the parts have three holes distrabute in three sides, it has one part in one cavity, seperates in two position, takes out the core by side. The selection of injection machine depends on the volume and quality of the parts, then it needs to check whether the injection machine’s parameters is in line with requestions. The mold injects plastic through a gate of point, and push the gas out of the mold from the gap. The cavity is formed with two inserts, and uses Oblique slider to separate the mold, and limites the distance of the pin. The mold pushes the part with the putter. when closes it, the guiding Column and case guide the spring make the reposition pole back to it’s former location, in order to prevent the pole encontered the cavity to hurt the mold.With the help of the software PRO/E, it can make three-dimensional of the mold, to simplify the designing process and reduce manual labor. The design is reasonable, in line with actual application, and it can produce right construction, high precision, well surface quality plastic mold.
Key word: Injection mold; Cavity; Core; PRO/E;