CN202943854U - 塑化机挤出结构 - Google Patents

塑化机挤出结构 Download PDF

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Publication number
CN202943854U
CN202943854U CN2012205494127U CN201220549412U CN202943854U CN 202943854 U CN202943854 U CN 202943854U CN 2012205494127 U CN2012205494127 U CN 2012205494127U CN 201220549412 U CN201220549412 U CN 201220549412U CN 202943854 U CN202943854 U CN 202943854U
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CN
China
Prior art keywords
screw rod
section
thread
machine
plasticizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012205494127U
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English (en)
Inventor
吴建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Tianhui Plastic Machinery Co Ltd
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Wuxi Tianhui Plastic Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN2012205494127U priority Critical patent/CN202943854U/zh
Application granted granted Critical
Publication of CN202943854U publication Critical patent/CN202943854U/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B29C48/67Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • 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
    • B29C48/53Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/56Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/59Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous

Abstract

本实用新型提供一种塑化机挤出结构,该挤出结构包括螺杆和机筒,螺杆与机筒均为分段结构,螺杆包括塑化段、熔融段和输送段,机筒与螺杆的分段长度相匹配,即为机筒的分段长度与螺杆的分段长度相等;塑化段的螺杆螺纹为左旋螺纹,螺纹牙为截面为梯形;熔融段螺杆的螺纹为右旋螺纹,为非连续螺纹,等分处具有断点。这种塑化机挤出结构结构简单,方便制造与安装,能够有效的完成螺杆在各个分段的不同任务,提高产品质量。

Description

塑化机挤出结构
技术领域
[0001] 本实用新型涉及一种塑化机挤出结构,包括螺杆和机筒。
技术背景
[0002] 塑化机的种类比较多,有的是螺杆挤出式的。对于螺杆挤出式的塑化机,其螺杆和机筒的结构形式较多,有单螺杆、双螺杆和多螺杆,而双螺杆的塑化机在市场占有较大的比重,为适应螺杆在挤出各段的特点,设计其在各段的不同结构形式,以提高产品质量和提高生产效率。
实用新型内容
[0003] 为实现以上所述,本实用新型提供一种塑化机挤出结构,该挤出结构简单,螺杆与机筒均为分段结构,便于安装,由于螺杆的特殊结构形式,带来产品质量的提高和生产效率的提闻。
[0004] 为解决以上技术问题,本实用新型提供如下技术方案:一种塑化机挤出结构,该挤出结构包括螺杆和机筒,所述螺杆与机筒均为分段结构,所述螺杆包括塑化段、熔融段和输送段,机筒的分段长度与螺杆的分段长度相等。
[0005] 进一步地,所述塑化段的螺杆螺纹为左旋螺纹,螺纹牙截面为梯形。
[0006] 进一步地,所述熔融段螺杆的螺纹为右旋螺纹,为非连续螺纹,等分处具有断点。
[0007] 进一步地,所述熔融段螺杆的直径大于塑化段和输送段螺杆的直径。
[0008] 进一步地,所述输送段螺杆的长度大于熔融段和塑化段螺杆的长度。
[0009] 本实用新型涉及的这种塑化机挤出结构,结构简单,方便制造与安装,能够有效的完成螺杆在各个分段的不同任务,提高产品质量。
附图说明
[0010] 图1是本实用新型塑化机挤出结构示意图;
[0011] 1-塑化段螺杆;2-机筒;3_锥形过渡螺杆;4_熔融段螺杆;5_锥形过渡螺杆;6-粉碎输送段螺杆。
具体实施方式
[0012] 如图1所不,该挤出结构包括螺杆和机筒2,螺杆与机筒均为分段结构,螺杆包括塑化段螺杆1、熔融段螺杆4和粉碎输送段螺杆6,机筒2的分段长度与螺杆的分段长度相
坐寸o
[0013] 塑化段螺杆I螺纹为左旋螺纹,螺纹牙截面为梯形。
[0014] 熔融段螺杆4的螺纹为右旋螺纹,为非连续螺纹,等分处具有断点。
[0015] 熔融段螺杆4的直径大于塑化段和输送段螺杆的直径。
[0016] 粉碎输送段螺杆6的长度大于熔融段和塑化段螺杆的长度。[0017] 本实用新型所述的具体实施方式并不构成对本申请范围的限制,凡是在本实用新型构思的精神和原则之内,本领域的专业人员能够作出的任何修改、等同替换和改进等均应包含在本实用新型的保护范围之内。

Claims (2)

1.一种塑化机挤出结构,该挤出结构包括螺杆和机筒,所述螺杆与机筒均为分段结构,其特征在于,所述螺杆包括塑化段、熔融段和输送段,机筒的分段长度与螺杆的分段长度相等,所述熔融段螺杆的直径大于塑化段和输送段螺杆的直径,所述塑化段的螺杆螺纹为左旋螺纹,螺纹牙的截面为梯形,所述熔融段螺杆的螺纹为右旋螺纹,为非连续螺纹,等分处具有断点。
2.根据权利要求1所述的塑化机挤出结构,其特征在于,所述输送段螺杆的长度大于熔融段和塑化段螺杆的长度。
CN2012205494127U 2012-10-25 2012-10-25 塑化机挤出结构 Expired - Fee Related CN202943854U (zh)

Priority Applications (1)

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Publications (1)

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CN202943854U true CN202943854U (zh) 2013-05-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647724A (zh) * 2013-11-19 2015-05-27 新疆天业(集团)有限公司 一种废旧塑料挤出机螺杆的连接装置
CN109082775A (zh) * 2017-06-13 2018-12-25 杭州富阳雷讯科技咨询服务有限公司 一种聚丙烯无纺布废料回收工艺
WO2021008659A1 (de) * 2019-07-18 2021-01-21 Gneuss Gmbh Extruder zur viskositätserhöhenden aufbereitung von aufschmelzbaren polymeren

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647724A (zh) * 2013-11-19 2015-05-27 新疆天业(集团)有限公司 一种废旧塑料挤出机螺杆的连接装置
CN109082775A (zh) * 2017-06-13 2018-12-25 杭州富阳雷讯科技咨询服务有限公司 一种聚丙烯无纺布废料回收工艺
WO2021008659A1 (de) * 2019-07-18 2021-01-21 Gneuss Gmbh Extruder zur viskositätserhöhenden aufbereitung von aufschmelzbaren polymeren

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130522

Termination date: 20131025