Shanghai Daoqin Plastics Co., Ltd.

         di color injection molding technology by di material injection molding technology, this is types use types plastics mixed combined injection molding formed plastics products technology, its technology inner 涵实际 upper is utilizing types mold parts 进行形态 塑造, in inner molding as welding, therefore principle is will types different plastics raw materials 进行塑化 molding, again utilizing mold welding 安装, to di color injection molding 目.

        1, di color injection molding technology type type

        1.1 type 芯旋转式 di color injection molding technology

         this type of technology by is 转模芯 di color injection molding technology, its technology principle is utilizing injection equipment will types raw materials plastics injection, will its injection mold small type in, its molding formed is types plastics, rear will mold 旋转 180°, utilizing injection equipment will types raw materials plastics 进行注入, and other to types plastics molding rear, most rear 包封工 as, one-time basic di color injection molding as formed.

         this type of technology use and as relatively is simple, generally training 工人都 can 进行自由操 as, but also can large large improves plastics products design degree, meanwhile utilizing 简便工 tool can processing.

        1.2 shrinkage mold type di color injection molding technology

         shrinkage mold type di color injection molding technology main/primary utilizing liquid pressure plant/unit, for mold pressure shrink as. in liquid pressure plant/unit control lower, will can upper lower active type 芯如同 active generally by pressure to upper rise 位置, will plastics raw materials 注入, and other to types raw materials solid rear, will active type control lower, again will types plastics raw materials 进行注入, again control liquid pressure plant/unit make type upper rise pressure made, its solid molding.

         this type of technology pressure made plastics products 就初步 made as formed, rear will molding plastics parts 取出, rear processing made as. this type of technology as relatively is simple, must control good liquid pressure plant/unit 运动时 machine.

        1.3 脱 parts sheet/plate di color injection technology principle

         this type of technology in 进行工 as front, need 进行第一 types raw materials injection. in injection 时, will mold other separation clamping 处理, in injection mold also 会逐步进行切断 and separation 离, rear separation parts 会逐渐 rear 退, is still in parts sheet/plate separation upper, mold 动态 进行 rear 退, 路径整 injection molding machine and 拉粒杆部 separation rear cooling and 脱落, 第一部 separation 就此完 formed;

         lower 一步进行第二部 separation injection molding as, large and 第一部 separation is 一样, is 第二次 injection molding use nozzle meanwhile 注入, and other its solid rear will 两 部 separation ejection, formed injection molding cycle.

        1.4 type sliding di color injection technology

         type sliding di color injection technology as principle is will type classification formed 两次进行 use, one-time injection molding will use type sliding to 指定 位置, clamping injection molding as 实施, will types raw materials plastics mold in, cooling rear will mold one-time 打开.

        而传动 plant/unit will type sliding 出, will type sliding type 腔部位, rear 进行第二次 plastics 注入, its cooling molding, formed one-time injection molding cycle, again will combined formed formed product sliding ejection. this type of technology more add suitable for large type di color injection molding plastics parts demand.

        2, di color injection molding process features introduction

        2.1 di color injection machine sleeve/set structure formed

         di color injection molding machine due to its made as product effect/influence, need 配备两台一模一样 machine injection plant/unit, this not only is its process demand, also need has can 够进行旋转变换 can force.

         this sleeve/set specifications injection plant/unit remove structure outer also need has function, in injection molding can will sleeve/set equipment in raw materials temperature degree, injection pressure and injection speed rate 进行一致 property adjustment, make injection molding plastics products indicators maintain in water 平, 进而进行 related melt combined and welding as. sleeve/set equipment parameters 不一致, need amount adjustment to water 平.

        2.2 di color injection molding parts and injection molding parts machine structure 差异

         due to di color injection molding parts production plastics products features causes, in machine machine 构设置 upper and injection molding material machine has obvious 差异.

        首先 di color injection molding parts use material temperature degree relatively high, comparison injection molding parts has 一定 差距, need high temperature degree can maintain in mold in 进行操 as flow can force; its injection pressure relatively large, not only is is use is types different plastics raw materials, need will its pressure made welding need utilizing strong/high pressure melt combined, but also more is is 克服熔 material in mold in flow large retardant force design, can ensure injection molding 顺利进行.

        2.3 di color injection molding technology material parameters 设置

         di color injection molding technology use types different material plastics products made as, therefore in injection molding front need for material 进行考 amount, not only need selection material quality standards, more need heavy material in injection molding temperature degree, pressure and other parameters control.

         due to di color injection molding technology use mold and injection molding mold is different, this requirements di color injection molding technology material use parameters need tool has relatively high material temperature degree, ensure material in injection molding formed front 不会提 front solid 化, meanwhile also need utilizing injection plant/unit control good raw materials pressure, make its can 够顺利 to mold 各 部 separation, from to injection molding 目.

        3, di color injection molding products and mold design key points

        3.1 di color injection molding products structure features

         di color injection molding products structure and plastics products structure has large different, due to use types different material injection molding formed, its product tool has types different property features, this and injection molding product has property difference; meanwhile in injection molding front need fine di color injection molding product structure design, separation 考虑两 types material features.

        结 combined plastics products for function and use ring design types material mixed combined ratio/proportion and methods, detailed analysis process complex degree, meanwhile also need use strong/high degree design, di color injection molding product can to related material standards and requirements.

        3.1.1 两 types material selection

         di color injection molding technology selection types different material injection molding, therefore for/regarding types different material selection is important process, generally selection is types color different plastics, this can large large improves injection molding formed product strong/high degree and resistant use degree, meanwhile make its more add easy melt combined molding. is use products can can need utilizing to types material property 质差异极 large 情况, this need solution types relatively large 差异材 material melt combined difficult degree large issues.

         main/primary is 会出现 delamination phenomenon and issues, this for injection molding product is 致命 打击, therefore for/regarding shrinkage rate and interface different function conditions, need fine 致 考虑, more need adjustment good material use ratio/proportion.

        3.1.2 products internal structure and design

         products structure and design need from products use and applications 进行考虑, in large small dimensions and internal structure 方面进行 fine research.

         generally is need add large types raw materials 接触面积 reinforcement solid property, in can in products internal design more small type and 凸槽进行镶嵌 and combined, this to increase types material 接触面积 目, in injection molding can more good improve/increase products use strong/high degree and use lifespan, reinforcement use property.

        3.2 旋转 mold di speed injection molding mold

         this type of mold in molding separation need different 考虑, 首先两 injection molding 模 凹凸槽 need 进行严密 design, in for ensure can filament combined 缝, meanwhile design demolding machine need 进行二次 injection rear can demolding as, for different injection molding methods also need different fine separation, in 垂直回转 injection machine demolding rear will products ejection formed related as 业, method utilizing injection machine ejection demolding need utilizing liquid pressure plant/unit demolding.

        4, 结 论

        综 upper 述, di color injection molding technology more year time development, in in recent years 才逐渐 by heavy and application, is its made as formed product for use ring tool has very good property, meanwhile made as efficiency high, for different requirements can very good meet/satisfy, therefore by utilizing, in automotive industry and other field/area has very good 经济效益, is non tool has development force types technology.