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鹽城工學(xué)院本科生畢業(yè)設(shè)計(jì)說(shuō)明書 2009
三通管注塑模具設(shè)計(jì)
摘 要：模具工業(yè)是國(guó)民經(jīng)濟(jì)的基礎(chǔ)工業(yè)，而塑料模具又是整個(gè)模具行業(yè)的霸主。本次設(shè)計(jì)的是聚氯乙烯塑件（三通管），因?yàn)樵撝萍嫱?，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(jī)構(gòu)去除型芯。注射機(jī)的選擇應(yīng)依據(jù)制件的質(zhì)量和體積，并且對(duì)注射劑的參數(shù)進(jìn)行校核。該產(chǎn)品采用點(diǎn)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(guò)限位銷限制抽芯的距離。該模具通過(guò)推桿推出制件，閉合時(shí)，同樣在導(dǎo)柱和導(dǎo)套的導(dǎo)向作用下通過(guò)復(fù)位桿的彈簧使復(fù)位桿先于型腔復(fù)位，以免頂桿碰到型腔，損壞模具。借助三維軟件PRO/E進(jìn)行模具的三維造型，并對(duì)模具分析，簡(jiǎn)化了設(shè)計(jì)過(guò)程，減少了勞動(dòng)量。本次模具設(shè)計(jì)合理，符合實(shí)際應(yīng)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;