CN107415200A - 一种塑料挤出机 - Google Patents

一种塑料挤出机 Download PDF

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Publication number
CN107415200A
CN107415200A CN201710776977.6A CN201710776977A CN107415200A CN 107415200 A CN107415200 A CN 107415200A CN 201710776977 A CN201710776977 A CN 201710776977A CN 107415200 A CN107415200 A CN 107415200A
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Prior art keywords
screw rod
canned paragraph
reduction box
plastic extruder
described screw
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CN201710776977.6A
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覃子衍
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Individual
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Individual
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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
    • 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
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/397Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

本发明公开了一种塑料挤出机,包括减速箱,在所述的减速箱的侧壁上固定安装有螺杆筒,在所述的螺杆筒内设有螺杆,所述的螺杆分为固定段和剪切段,所述的螺杆上的固定段与减速箱上的输出轴连接,在所述的螺杆上的固定段与螺杆筒之间设有圆柱滚子轴承。本发明通过增设轴承,使得螺杆的转动更为顺畅和稳定,减小了螺杆的固定段与螺杆筒之间的摩擦力,而圆柱滚子轴承的内圈和外圈均可以拆卸,也给较为便于安装。

Description

一种塑料挤出机
技术领域
本发明涉及一种塑料挤出机。
背景技术
在公知的技术领域,塑料挤出机是塑料加工中不可缺少的一种重要设备,一般通过其螺杆筒内的螺杆旋转而产生剪切热,而将塑料基材塑化成均匀的熔体,并挤出成型。现有的塑料挤出机一般通过减速箱将电机的驱动力降速并传至螺杆上,为了使得熔融的塑料不溢至螺杆与减速箱结合处,螺杆的固定端部一般设置一端较长的圆柱,和螺杆筒紧密接触,以密封熔融的塑料,但是这样也造成了螺杆的摩擦力增大,使得螺杆的转动不够顺畅。
发明内容
本发明要解决的技术问题是:提供一种螺杆的摩擦力小的塑料挤出机。
本发明解决其技术问题所采用的技术方案是:塑料挤出机,包括减速箱,在所述的减速箱的侧壁上固定安装有螺杆筒,在所述的螺杆筒内设有螺杆,所述的螺杆分为固定段和剪切段,所述的螺杆上的固定段与减速箱上的输出轴连接,在所述的螺杆上的固定段与螺杆筒之间设有若干个圆柱滚子轴承。
相邻两个圆柱滚子轴承之间连接有保持架。
所述的保持架的材质为有机塑料。
本发明的有益效果是:本发明通过增设轴承,使得螺杆的转动更为顺畅和稳定,减小了螺杆的固定段与螺杆筒之间的摩擦力,而圆柱滚子轴承的内圈和外圈均可以拆卸,也给较为便于安装。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的局部剖面结构示意图。
附图中分述标记如下:1、减速箱,2、螺杆筒,3、螺杆,3-1、固定段,3-2、剪切段,4、圆柱滚子轴承。
具体实施方式
现在结合附图对本发明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发明的基本结构,因此其仅显示与本发明有关的构成。
如图1所示的本发明塑料挤出机的一种实施例,包括减速箱1,在所述的减速箱1的侧壁上固定安装有螺杆筒2,在所述的螺杆筒2内设有螺杆3,所述的螺杆3分为固定段3-1和剪切段3-2,所述的螺杆3上的固定段3-1与减速箱1上的输出轴连接,在所述的螺杆3上的固定段3-1与螺杆筒2之间设有若干个圆柱滚子轴承4,相邻两个圆柱滚子轴承4之间连接有保持架,保持架的材质为有机塑料。
以上说明书中描述的只是本发明的具体实施方式,各种举例说明不对本发明的实质内容构成限制,所属技术领域的普通技术人员在阅读了说明书后可以对以前所述的具体实施方式做修改或变形,而不背离发明的实质和范围。

Claims (3)

1.一种塑料挤出机,其特征在于:包括减速箱(1),在所述的减速箱(1)的侧壁上固定安装有螺杆筒(2),在所述的螺杆筒(2)内设有螺杆(3),所述的螺杆(3)分为固定段(3-1)和剪切段(3-2),所述的螺杆(3)上的固定段(3-1)与减速箱(1)上的输出轴连接,在所述的螺杆(3)上的固定段(3-1)与螺杆筒(2)之间并排设有若干个圆柱滚子轴承(4)。
2.根据权利要求1所述的一种塑料挤出机,其特征在于:相邻两个圆柱滚子轴承(4)之间连接有保持架。
3.根据权利要求2所述的一种塑料挤出机,其特征在于:所述的保持架的材质为有机塑料。
CN201710776977.6A 2017-08-31 2017-08-31 一种塑料挤出机 Withdrawn CN107415200A (zh)

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CN201710776977.6A CN107415200A (zh) 2017-08-31 2017-08-31 一种塑料挤出机

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CN201710776977.6A CN107415200A (zh) 2017-08-31 2017-08-31 一种塑料挤出机

Publications (1)

Publication Number Publication Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148364U (zh) * 1974-05-27 1975-12-09
US20020064084A1 (en) * 2000-08-09 2002-05-30 Reifenhauser Gmbh & Co. Maschinenfabrik Coaxial extruder drive
CN200967266Y (zh) * 2006-09-28 2007-10-31 伊川县伊东机械加工厂 废旧塑料再生装置
CN204869580U (zh) * 2015-07-06 2015-12-16 南通雷亨塑料制品有限公司 一种塑料挤出机
CN205705223U (zh) * 2016-04-07 2016-11-23 台山广安霖化工有限公司 一种挤出机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148364U (zh) * 1974-05-27 1975-12-09
US20020064084A1 (en) * 2000-08-09 2002-05-30 Reifenhauser Gmbh & Co. Maschinenfabrik Coaxial extruder drive
CN200967266Y (zh) * 2006-09-28 2007-10-31 伊川县伊东机械加工厂 废旧塑料再生装置
CN204869580U (zh) * 2015-07-06 2015-12-16 南通雷亨塑料制品有限公司 一种塑料挤出机
CN205705223U (zh) * 2016-04-07 2016-11-23 台山广安霖化工有限公司 一种挤出机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曾正明: "《五金速查手册》", 30 June 2012, 机械工业出版社 *

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Application publication date: 20171201