CN2381471Y - 一种塑料软管挤出机头 - Google Patents

一种塑料软管挤出机头 Download PDF

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CN2381471Y
CN2381471Y CN98220768U CN98220768U CN2381471Y CN 2381471 Y CN2381471 Y CN 2381471Y CN 98220768 U CN98220768 U CN 98220768U CN 98220768 U CN98220768 U CN 98220768U CN 2381471 Y CN2381471 Y CN 2381471Y
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周晓昱
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一种塑料软管挤出机头,压板2将连有模芯5的分料梭6和口模座3分别固装于模体4中孔内;调整口模1连于口模座3上;调整口模1和口模座3的中孔内分别设有外径小、里径大的圆锥形孔,两孔并分别环套于模芯5的外圆圆周。通过控制调整口模1沿口模座3轴向往复移动,实现了加工同一规格内径的塑料软管壁厚尺寸的改变。一副机头(模具)多用,降低了生产成本。

Description

一种塑料软管挤出机头
本实用新型涉及塑料加工装置,具体涉及一种塑料挤出机挤出软管的机头。
目前国内塑料挤出机加工空心塑料软管的挤出机头(亦称模具),其口模座为一整体固定安装在模体腔内,口模中孔环套于模芯外圆圆周。不足是:不能对塑料软管的壁厚加工尺寸作适当调整,当同一规格内径的软管壁厚需要改变尺寸时,人们只好设计几副不同壁厚尺寸的机头(模具)来实现,既使生产成本高。
本实用新型的任务在于:降低生产成本,提供一种在塑料软管挤出过程中,可对其壁厚加工尺寸作调整变化的挤出机头。
为解决上述任务,本实用新型采用的解决方案是:包括模体、模芯、分料梭、压板在内的塑料软管挤出机头,特点在于:压板将连有模芯的分料梭和口模座分别固装于模体中孔内;调整口模连于口模座上;调整口模和口模座的中孔内分别设有外径小、里径大的圆锥形孔,两孔并分别环套于模芯的外圆圆周。
由于本实用新型将调整口模设计成可沿口模座轴向往复移动,实现了加工同一规格内径的塑料软管壁厚尺寸的改变,一副机头(模具)多用,降低了生产成本。
下面结合附图对本实用新型的具体实施方式作详细说明。
图1为本实用新型主视剖面图;
图2为图1的左视图;
图3为图1中调整口模1的放大剖面视图;
图4为图1中口模座3的放大剖面视图。
参照图1-图4。压板2将连有模芯5的分料梭6和口模座3分别固装于模体4中孔内,带有外螺纹的调整口模1旋转至口模座3内螺纹孔中。口模座3和调整口模1的中孔均是外径小、里径大的圆锥形孔(见图3、图4),两孔并分别环套于模芯5的外圆圆周。
动作原理如下:本实用新型连于塑料挤出机上,塑化后的塑料原料通过挤出机进入分料梭6上的分流孔7内,经口模座3和调整口模1与模芯5间的间隙形成的圆环形流道,最后从调整口模1出料口挤出成形软管。通过旋转调整口模1沿口模座3沿轴向向右或向左移动(见图1),既可实现同一规格内径的软管壁厚变薄或变厚。如加工塑料软管内径为25mm,控制调整口模1向右或向左移动使软管壁厚尺寸变化在1.5mm-4mm之间。

Claims (1)

1.一种包括模体(4)、模芯(5)、分料梭(6)、压板(2)的塑料软管挤出机头,其特征在于:压板(2)将连有模芯(5)的分料梭(6)和口模座(3)分别固装于模体(4)中孔内;调整口模(1)连于口模座(3)上;调整口模(1)和口模座(3)的中孔内分别设有外径小、里径大的圆锥形孔,两孔并分别环套于模芯(5)的外圆圆周。
CN98220768U 1998-04-10 1998-04-10 一种塑料软管挤出机头 Expired - Fee Related CN2381471Y (zh)

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CN98220768U CN2381471Y (zh) 1998-04-10 1998-04-10 一种塑料软管挤出机头

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CN98220768U CN2381471Y (zh) 1998-04-10 1998-04-10 一种塑料软管挤出机头

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CN2381471Y true CN2381471Y (zh) 2000-06-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101612786B (zh) * 2009-07-11 2011-04-13 青岛科技大学 一种挤出管材壁厚可调式机头装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101612786B (zh) * 2009-07-11 2011-04-13 青岛科技大学 一种挤出管材壁厚可调式机头装置

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