塑料斜齒輪的注塑模具設(shè)計(jì)【旋轉(zhuǎn)脫螺紋內(nèi)螺紋抽芯脫模機(jī)構(gòu)一模一腔優(yōu)秀課程畢業(yè)設(shè)計(jì)含18張CAD圖紙帶開題報(bào)告+外文翻譯】-zsmj32

塑料斜齒輪的注塑模具設(shè)計(jì)【旋轉(zhuǎn)脫螺紋內(nèi)螺紋抽芯脫模機(jī)構(gòu)一模一腔優(yōu)秀課程畢業(yè)設(shè)計(jì)含18張CAD圖紙帶開題報(bào)告+外文翻譯】-zsmj32

塑料斜齒輪的注塑模具設(shè)計(jì)【旋轉(zhuǎn)脫螺紋內(nèi)螺紋抽芯脫模機(jī)構(gòu)一模一腔

摘  要

伴隨著全球性經(jīng)濟(jì)發(fā)展，新技術(shù)革命浪潮不斷的突破與發(fā)展，跨越性的技術(shù)發(fā)展已經(jīng)成為推動(dòng)世界經(jīng)濟(jì)增長(zhǎng)的重要因素。市場(chǎng)經(jīng)濟(jì)的不斷繁榮，極大地促進(jìn)了對(duì)體積小，工業(yè)產(chǎn)品的品種多，低成本，高品質(zhì)的方向發(fā)展。為了提高生產(chǎn)周期的市場(chǎng)競(jìng)爭(zhēng)力的核心產(chǎn)品的要求越來越高，開發(fā)周期短，因此對(duì)各種產(chǎn)品的制造的關(guān)鍵技術(shù)及設(shè)備，模具的要求也越來越嚴(yán)格和苛刻的。

    模具是基礎(chǔ)工業(yè)之一。隨著市場(chǎng)經(jīng)濟(jì)全球化趨勢(shì)和各種高新技術(shù)的迅猛發(fā)展，快速經(jīng)濟(jì)模具被賦予了新的內(nèi)涵和新的任務(wù)，種類的激增，促使快速經(jīng)濟(jì)制模材料向著多品種系列化邁進(jìn)，不斷促使工藝有新突破和發(fā)展。鑒于商品經(jīng)濟(jì)的快速發(fā)展，產(chǎn)品換代更新的加速，以及市場(chǎng)競(jìng)爭(zhēng)愈發(fā)激烈，都愈發(fā)高的刺激著快速經(jīng)濟(jì)制模技術(shù)朝著短周期、低成本、高質(zhì)量及高制造精度等方向發(fā)展。鑒于它能夠使企業(yè)獲得更大的市場(chǎng)，創(chuàng)造更大顯著的經(jīng)濟(jì)效益，因此愈發(fā)受到企業(yè)家的垂青以及獲得相關(guān)領(lǐng)導(dǎo)部門的政策資金的支持。鑒于快速發(fā)展的高新技術(shù)以及各種技術(shù)的綜合運(yùn)用，未來必定會(huì)產(chǎn)生新型節(jié)能省材的快速制模技術(shù)來適應(yīng)社會(huì)生產(chǎn)中差異化需求。

    此次畢業(yè)設(shè)計(jì)是對(duì)塑料斜齒輪注塑模具設(shè)計(jì)，難點(diǎn)在于實(shí)現(xiàn)自動(dòng)旋轉(zhuǎn)脫螺紋功能。本設(shè)計(jì)有兩大亮點(diǎn)，一是使用齒輪齒條傳動(dòng)機(jī)構(gòu)來實(shí)現(xiàn)測(cè)抽芯，二是用軸承使型腔旋轉(zhuǎn)來實(shí)現(xiàn)脫螺紋設(shè)計(jì)。因模具中有多處需要配合，可能使模具在制造和裝配方面有些難度。

關(guān)鍵詞：模具；斜齒輪；結(jié)構(gòu)設(shè)計(jì)；注射模；型腔

Abstract

With the global economic development, new technology revolution continued breakthroughs and development, leapfrog technology development has become an important factor in promoting world economic growth . Continued prosperity of the market economy , which greatly promoted to small, multi- variety of industrial products , low-cost , high-quality direction. In order to enhance the core products in the market competitiveness of the production cycle, and increasingly demanding shorter development cycle , and therefore the key to the manufacture of various products, technology and equipment - mold requirements are increasingly stringent and demanding .

Mold is one of the basic industries . With the rapid development of economic globalization and a variety of high-tech markets , rapid economic mold was given a new meaning and a new task , the type of surge , prompting rapid economic modeling material moving toward multi- variety series , continue to promote technology breakthroughs and development. Given the rapid development of the commodity economy , accelerate the upgrading products , and market more competitive , are increasingly high to stimulate rapid economic modeling techniques towards short-cycle , low-cost , high-quality and high manufacturing precision direction. Given its ability to enable enterprises to gain a larger market , creating greater significant economic benefits , and therefore increasingly favored by the entrepreneurs and access to funding to support policies related to the leadership department. Given the rapid development of high-tech and comprehensive use of various technologies , the future will certainly generate new energy-saving materials for rapid tooling technology to meet the social needs of the difference in production .

??The graduation project is a plastic injection mold design helical gear , the difficulty lies off the automatic rotation of the threaded function. This design has two bright spots , one using rack and pinion mechanism to achieve measured Pulling , two bearings so that the cavity is rotated to achieve the de- thread design . Because there are many die with blood , may cause some difficulty in mold manufacturing and assembly areas .

Keyword: mold ; bevel wheel; structural design;plastics injection mold; cavity

目    錄

引言 1

1  塑件（斜齒輪）的分析 3

1.1 塑件（ABS）的三維模型 3

1.2 塑料的基礎(chǔ)知識(shí)與應(yīng)用 4

1.3 ABS塑料 4

1.3.1塑料ABS的基本概念 4

1.3.2塑料ABS的特性 5

1.3.3塑料ABS的成型特性及成型條件 6

1.3.4塑料ABS的成型條件 6

1.4 塑件結(jié)構(gòu)工藝性要求的了解及分析 7

1.5 脫模斜度［1］ 7

1.6 塑件的壁厚［1］ 7

1.7 圓角 8

2  注射機(jī)的選擇 9

3  型腔數(shù)目的決定 10

4  成型零件設(shè)計(jì) 12

4.1 確定型腔壁厚 12

4.2 動(dòng)模板厚度的計(jì)算 12

4.3 分型面的確定［1］ 13

4.4 排氣系統(tǒng)的設(shè)計(jì) 13

4.5 成型零件的結(jié)構(gòu)設(shè)計(jì) 14

4.5.1成型凹模的結(jié)構(gòu)設(shè)計(jì) 14

4.5.2成型凸模的結(jié)構(gòu)設(shè)計(jì) 14

4.5.3型腔尺寸計(jì)算 14

5  澆注系統(tǒng)設(shè)計(jì) 18

5.1 主澆道（澆口套）的設(shè)計(jì) 18

5.2 澆口的設(shè)計(jì)［1］ 20

5.3 定位圈的選擇 20

6  模具溫度調(diào)節(jié)系統(tǒng)的設(shè)計(jì) 21

6.1 模具溫度調(diào)節(jié)對(duì)塑件質(zhì)量的影響 21

6.2 加熱系統(tǒng)的設(shè)計(jì) 21

6.3 冷卻系統(tǒng)設(shè)計(jì) 21

7  脫模機(jī)構(gòu)的設(shè)計(jì) 22

7.1 推管脫模機(jī)構(gòu)設(shè)計(jì) 22                      

7.2 內(nèi)螺紋抽芯脫模機(jī)構(gòu)的設(shè)計(jì) 22

7.2.1螺紋型芯的設(shè)計(jì) 22

7.2.2傳動(dòng)齒條的設(shè)計(jì) 24

8  復(fù)位機(jī)構(gòu)的設(shè)計(jì)和選擇 26

8.1 彈簧的選用［4］ 26

8.2 彈簧的分布形式 27

9  合模導(dǎo)向機(jī)構(gòu)的設(shè)計(jì) 28

9.1 導(dǎo)向機(jī)構(gòu)的功用 28

9.2 導(dǎo)向機(jī)構(gòu)的選用［5］ 28

10  型芯與側(cè)型芯脫模力的計(jì)算 29

10.1 型芯脫模力的計(jì)算 29

10.2 側(cè)抽芯力計(jì)算 29

11  模具的閉模高度和開模行程驗(yàn)算 30

12  模具其它零件的設(shè)計(jì) 31

13  標(biāo)準(zhǔn)件的選擇［5］ 32

14  模具的總裝圖以及運(yùn)動(dòng)順序、及其特點(diǎn) 33

15  模具的安裝、調(diào)試 34

16  工藝卡片 35

16.1 塑件成型工藝卡 35

16.2 機(jī)械加工工藝卡 36

16.2.1澆口套定位圈機(jī)械加工工藝卡 36

16.2.2定模板機(jī)械加工工藝卡 37

16.2.3墊塊機(jī)械加工工藝卡 38

結(jié)論 39

謝辭 40

參考文獻(xiàn) 41

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CAXA副本

UG.prt

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塑料斜齒輪旋轉(zhuǎn)脫螺紋注塑模具設(shè)計(jì).doc

塑料斜齒輪旋轉(zhuǎn)脫螺紋注塑模具設(shè)計(jì)任務(wù)書.doc

塑料斜齒輪旋轉(zhuǎn)脫螺紋注塑模具設(shè)計(jì)開題報(bào)告.doc

外文文獻(xiàn)（英文）.doc

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