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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China
Prior art keywords
screw rod
section
thread
machine
plasticizing
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Expired - Fee Related
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CN2012205494127U
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English (en)
Inventor
吴建国
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Wuxi Tianhui Plastic Machinery Co Ltd
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Wuxi Tianhui Plastic Machinery Co Ltd
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Priority to CN2012205494127U priority Critical patent/CN202943854U/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

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
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
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
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高。 
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。 
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。 
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。 
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。 
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。 
    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
图1是本实用新型塑化机挤出结构示意图； 
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
如图1所示，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等。 
塑化段螺杆1螺纹为左旋螺纹，螺纹牙截面为梯形。 
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。 
熔融段螺杆4的直径大于塑化段和输送段螺杆的直径。 
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。 
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)

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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