3261 瓶蓋注塑模設(shè)計(jì)1,瓶蓋,注塑,設(shè)計(jì)
摘要:通過分析間斷型內(nèi)螺紋瓶蓋的工藝性,可知內(nèi)螺紋為半圓型螺紋,由于該瓶蓋的材料為聚苯乙烯(PS) ,該材料不宜采用強(qiáng)制脫模。所以塑件采用內(nèi)抽芯機(jī)構(gòu)進(jìn)行脫模,由圖可知,內(nèi)螺紋為兩個(gè)局部段,對(duì)應(yīng)在模具上制成兩個(gè)內(nèi)抽的滑塊。當(dāng)動(dòng)定模分型時(shí),在連接推桿的作用下,八個(gè)成型螺紋滑塊沿 T形槽移出,產(chǎn)生向心的收攏運(yùn)動(dòng)。這些滑塊始終不脫離型芯座。由于瓶蓋的上部分要求嚴(yán)格,所以采用點(diǎn)澆口澆注系統(tǒng),脫模后不在修正澆口的痕跡。但采用這種澆口時(shí),常常要在模具上增加一個(gè)分型面,以便澆口凝料脫模。關(guān)鍵詞:螺紋滑塊 內(nèi)抽芯 點(diǎn)澆口 Abstract:Pass the analysis interrupteds the craft of a cover of thread inside the type, can know is a thread of semicircle inside the thread, because of in order to gather the styrene( PS), that bottle of material for cover that material should not adopt to take off the mold compulsory.So an adoption ofinside take out the organization ofto carry on taking off the mold, can know from the diagram, inside the thread is two partial segment, in molding tool ascend make into twoth to should take out of slippery piece.When move to settle the type of cent of mold, while link the function of push the pole, eight model the thread the slippery piece follows the T form slot to move, producing to accept the sport of centripetally.These slippery pieces do not escape from a always.Because the upper part of a cover requests separately strictly, so the adoption orders to sprinkle to sprinkle to note the system, after taking off the mold not sprinkle the oscular trace in the correction.But adopt this kind of to sprinkle, usually want to increase the type of a cent to face on the molding tool, in order to sprinkle a peopleto anticipate to take off the mold.Keyword:Slippery piece of thread Inside take out Order to sprinkle
鏈接地址:http://www.szxfmmzy.com/p-162090.html