CN2085720U - 多孔模具头 - Google Patents

多孔模具头 Download PDF

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Publication number
CN2085720U
CN2085720U CN90210473U CN90210473U CN2085720U CN 2085720 U CN2085720 U CN 2085720U CN 90210473 U CN90210473 U CN 90210473U CN 90210473 U CN90210473 U CN 90210473U CN 2085720 U CN2085720 U CN 2085720U
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passage
discharging opening
charging hole
utility
model
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CN90210473U
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English (en)
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李玉玺
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Individual
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Individual
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Priority to CN90210473U priority Critical patent/CN2085720U/zh
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Withdrawn legal-status Critical Current

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  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本实用新型的多孔模具头是在模具座上制有进 料孔,通道和出料口,其特征是有多个进料孔,进料孔 与通道相通并成L型;通道相对出料口呈梯形结构, 出料口为矩型口。采用聚丙烯原料经过多孔模头挤 出的打包带,具有多色美观,质量好,成本低等特点。

Description

本实用新型涉及一种用于塑料制品行业的机械模具,特别是涉及聚丙稀打包带挤出成型的多孔模具头。
目前的聚丙稀打包带挤出成型机的模具头是单孔模具头。即进料孔和出料口相通。采用单孔模具头挤出的聚丙稀打包带不仅颜色单一如白色,黄色等等,而且成本高。单一颜色的打包带的原料主要是采用聚丙5004#。严重影响了单一颜色打包带的利用价值,使用的用途受到限制。
本实用新型的目的是在于提供一种用再生原料挤出多色打包带的多孔模具头。
本实用新型的多孔模具头是在长方体的模具座上,制成两个或两个以上的进料孔和一个出料口,利用聚丙稀的再生原料,可在进料孔中的每一个进料孔中加入带有颜色的原料。聚丙稀在不同进料孔处等热加温并将糊状原料等压挤出矩型断面的出料口有一段不同进料孔共同挤入出口的汇合处后粘在一起,然后在相同的拉力下将打包带拉出。由于各进料孔投入的原料颜色不同,使拉出的打包带不仅美观、而且质量可靠。
本实用新型的多孔模具头的特点是同时挤出多色的打包带,而且可利用再生原料,成本降低60~70%,应用范围广。
图1为三孔模具头的主视图
图2为三孔模具头的右视图
图3为中心进料孔的左剖示图
实施例:
本实用新型的多孔模具头是由上盖和矩型模具座(10)构成。上盖靠4个螺钉(50)固定在模具座(10)上,模具座(10)中有左进料孔(21)左通道(22),中进料孔(42),右进料孔(31)右通道(32)和出料口(70),左右进料孔(21、31)相对中进料孔(42)纵向对称,进料孔(21、31、42)之间各不相通,但共用一个出料口(70),通道(22、40、32)与进料孔和出料口例通,并相对出料口呈梯形通道。进料孔(21、42、31)与梯形通道(22、40、32)成L型,(41)为进料孔,(60)为挤塑机与模具头连接处,出料口(70)为矩型口。

Claims (1)

1、一种在矩型模具座上有上盖,进料孔,通道、出料口构成的多孔模具头,其上盖靠螺钉固定在模具座上,其特征在于:
a、进料孔与通道相通并成L型;
b、通道相对出料口呈梯型结构;
c、出料口为矩型口。
CN90210473U 1990-05-05 1990-05-05 多孔模具头 Withdrawn CN2085720U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN90210473U CN2085720U (zh) 1990-05-05 1990-05-05 多孔模具头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN90210473U CN2085720U (zh) 1990-05-05 1990-05-05 多孔模具头

Publications (1)

Publication Number Publication Date
CN2085720U true CN2085720U (zh) 1991-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN90210473U Withdrawn CN2085720U (zh) 1990-05-05 1990-05-05 多孔模具头

Country Status (1)

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CN (1) CN2085720U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1046662C (zh) * 1993-02-18 1999-11-24 里特自动设备公司 用于热塑性塑料的可关闭的出料口
WO2012139253A1 (en) * 2011-04-15 2012-10-18 Exxonmobil Asia Pacific Research & Development Co., Ltd. Die and process for extrusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1046662C (zh) * 1993-02-18 1999-11-24 里特自动设备公司 用于热塑性塑料的可关闭的出料口
WO2012139253A1 (en) * 2011-04-15 2012-10-18 Exxonmobil Asia Pacific Research & Development Co., Ltd. Die and process for extrusion

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