CN202623243U - 圆锥形螺杆塑料挤出机 - Google Patents

圆锥形螺杆塑料挤出机 Download PDF

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Publication number
CN202623243U
CN202623243U CN2012201680282U CN201220168028U CN202623243U CN 202623243 U CN202623243 U CN 202623243U CN 2012201680282 U CN2012201680282 U CN 2012201680282U CN 201220168028 U CN201220168028 U CN 201220168028U CN 202623243 U CN202623243 U CN 202623243U
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Prior art keywords
screw
screw rod
feed hopper
utility
model
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Expired - Fee Related
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CN2012201680282U
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Inventor
陈学明
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Changzhou Riyue Machinery Co., Ltd.
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陈学明
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/52Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525Conical screws

Abstract

本实用新型公开了一种圆锥形螺杆塑料挤出机,包括料筒,在所述的料筒的两端分别设有进料斗和出料口,在所述的料筒内设有螺杆,所述的螺杆呈圆锥形状,且所述的螺杆靠近进料斗一端的直径小于所述的螺杆靠近出料口一端的直径,且螺杆上的螺棱之间的螺距从进料斗一端到出料口一端由大到小变化。本实用新型通过改变现有螺杆的圆柱形状为圆锥形状,且越靠近出料口,螺棱越密,螺杆之间越小,不仅进一步增加了单螺杆塑料挤出机的挤出压力,而且通过变化的螺距和螺杆直径大大改善单螺杆塑料挤出机的剪切力,提高了物料粉碎融合的效果,提高生产效率和产品质量。

Description

圆锥形螺杆塑料挤出机
技术领域
[0001] 本实用新型涉及塑料挤出机技术领域,尤其是一种挤出压力大的塑料挤出机。
背景技术
[0002] 在公知的技术领域,塑料挤出机是一种常用的塑料加工设备,而螺杆挤出机是最常用的一种混合成型设备,为完成塑料的混合塑化过程,就要求螺杆挤出机有很强的剪切、分散、混合能力,以使不同种类、不同组份的原料能够顺利挤出成型。
[0003] 现有技术中已有单螺杆挤出机、双螺杆挤出机、往复式销钉螺杆挤出机、多螺杆挤出机等设备。上述的螺杆挤出机一般只能分别完成混合分散或制品成型两项工作中的一项,且传统的单螺杆挤出机虽然能提供较高的稳定的挤出压力,但它的剪切能力较差,所以物料的混合粉碎不均匀,挤出效果不好。
实用新型内容
[0004] 本实用新型要解决的技术问题是:提供一种挤出压力大、剪切能力强的塑料挤出机。
[0005] 本实用新型解决其技术问题所采用的技术方案是:一种圆锥形螺杆塑料挤出机,包括料筒,在所述的料筒的两端分别设有进料斗和出料口,在所述的料筒内设有螺杆,所述的螺杆呈圆锥形状,且所述的螺杆靠近进料斗一端的直径小于所述的螺杆靠近出料口一端的直径。
[0006] 进一步的,为了提高挤出压力和剪切力,本实用新型中所述的螺杆上的螺棱之间的螺距从进料斗一端到出料口一端由大到小变化。
[0007] 本实用新型本实用新型的有益效果是:本实用新型通过改变现有螺杆的圆柱形状为圆锥形状,且越靠近出料口,螺棱越密,螺杆之间越小,不仅进一步增加了单螺杆塑料挤出机的挤出压力,而且通过变化的螺距和螺杆直径大大改善单螺杆塑料挤出机的剪切力,提闻了物料粉碎融合的效果,提闻生广效率和广品质量。
附图说明
[0008] 下面结合附图和实施例对本实用新型进一步说明。
[0009] 图I是本实用新型的结构示意图。
[0010] 图中:1.料筒,2.进料斗,3.出料口,4.螺杆,5.螺棱。
具体实施方式
[0011] 现在结合附图对本实用新型作进一步详细的说明。这些附图均为简化的示意图,仅以示意方式说明本实用新型的基本结构,因此其仅显示与本实用新型有关的构成。
[0012] 如图I所示的本实用新型圆锥形螺杆塑料挤出机,包括料筒1,在所述的料筒I的两端分别设有进料斗2和出料口 3,在所述的料筒I内设有螺杆4,所述的螺杆4呈圆锥形状,且所述的螺杆4靠近进料斗2 —端的直径小于所述的螺杆4靠近出料口 3 —端的直径,且所述的螺杆4上的螺棱5之间的螺距从进料斗2 —端到出料口 3 —端由大到小变化。
[0013] 以上述依据本实用新型的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项实用新型技术思想的范围内,进行多样的变更以及修改。本项实 用新型的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。

Claims (2)

1. 一种圆锥形螺杆塑料挤出机,包括料筒(I),在所述的料筒(I)的两端分别设有进料斗(2)和出料口(3),在所述的料筒(I)内设有螺杆(4),其特征在于:所述的螺杆(4)呈圆锥形状,且所述的螺杆(4)靠近进料斗(2) —端的直径小于所述的螺杆(4)靠近出料口(3)一端的直径。
2.如权利要求I所述的圆锥形螺杆塑料挤出机,其特征在于:所述的螺杆(4)上的螺棱(5)之间的螺距从进料斗(2) —端到出料口(3) —端由大到小变化。
CN2012201680282U 2012-04-19 2012-04-19 圆锥形螺杆塑料挤出机 Expired - Fee Related CN202623243U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737735A (zh) * 2013-12-31 2014-04-23 贵州森瑞新材料股份有限公司 Pvc管生产中色母的配入方法及其装置
CN103737889A (zh) * 2013-12-31 2014-04-23 贵州森瑞新材料股份有限公司 Pvc管材生产中的混料挤出方法及其装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737735A (zh) * 2013-12-31 2014-04-23 贵州森瑞新材料股份有限公司 Pvc管生产中色母的配入方法及其装置
CN103737889A (zh) * 2013-12-31 2014-04-23 贵州森瑞新材料股份有限公司 Pvc管材生产中的混料挤出方法及其装置

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C14 Grant of patent or utility model
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ASS Succession or assignment of patent right

Owner name: CHANGZHOU RIYUE MACHINERY CO., LTD.

Free format text: FORMER OWNER: CHEN XUEMING

Effective date: 20130426

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20130426

Address after: Wujin District of Jiangsu city in Changzhou Province before the 213174 yellow Zhenfang Street No. 36

Patentee after: Changzhou Riyue Machinery Co., Ltd.

Address before: 213174, No. 32, front East Street, walled town, Wujin District, Jiangsu, Changzhou

Patentee before: Chen Xueming

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20170419

CF01 Termination of patent right due to non-payment of annual fee