CN2355864Y - 行星式多螺杆塑料挤出机 - Google Patents

行星式多螺杆塑料挤出机 Download PDF

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Publication number
CN2355864Y
CN2355864Y CN99227238U CN99227238U CN2355864Y CN 2355864 Y CN2355864 Y CN 2355864Y CN 99227238 U CN99227238 U CN 99227238U CN 99227238 U CN99227238 U CN 99227238U CN 2355864 Y CN2355864 Y CN 2355864Y
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China
Prior art keywords
machine barrel
planet
threaded rod
barrel
main
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Expired - Fee Related
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CN99227238U
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赵元发
林希平
吴发宝
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FUJIAN PLASTIC MACHINERY FACTORY
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FUJIAN PLASTIC MACHINERY FACTORY
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Priority to CN99227238U priority Critical patent/CN2355864Y/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
    • B29C48/395—Means 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
    • B29C48/40—Means 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 two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/435—Sub-screws
    • B29C48/44—Planetary screws

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

Abstract

本实用新型涉及一种行星式多螺杆塑料挤出机，其特征是在主机筒的末端增设一行星机筒，行星机筒与主机筒固定在一起，行星机筒内设有中心螺杆和围绕着中心螺杆四周的行星螺杆，而行星机筒内表面设有与行星螺杆相配合的螺牙，中心螺杆与主螺杆轴接。其以行星式多螺杆的机械结构对物料进行塑化、分散、混合，大幅度增加对物料的碾压次数，缩短物料在机筒内停留时间，避免物料过热分解，同时也节省能源。

Description

行星式多螺杆塑料挤出机
本实用新型涉及机械制造领域，特别是一种塑料挤出机。
现有的塑料挤出机的结构包括：动力、料斗、机筒和装设在机筒内的螺杆，在机筒上设有加热及保温装置。塑料颗粒从料斗进入机筒受热熔化，螺杆在动力的带动下将熔化的塑料碾压剪切并与色母料搅匀，为了达到这一目的，机筒和螺杆需设计的较长，不但能耗大，而且塑料长期受热也易分解。
本实用新型的目的是设计一种机筒短、能耗少的行星式多螺杆塑料挤出机。
本实用新型的任务是这样实现的：由动力、料斗、主机筒及装设在主机筒内的主螺杆组成的行星式多螺杆塑料挤出机，其特征是在主机筒的末端增设一行星机筒，行星机筒与主机筒固定在一起，行星机筒内设有中心螺杆和围绕着中心螺杆四周的行星螺杆，而行星机筒内表面设有与行星螺杆相配合的螺牙，中心螺杆与主螺杆轴接。主螺杆将主机筒中熔化的物料初步搅和后送至行星机筒内，其以行星式多螺杆的机械结构对物料进行再塑化、分散、混合，对物料的碾压次数大幅度增加，缩短物料在机筒内停留时间。
本实用新型具有设计合理，增加对物料的剪切力，使塑化、分散和混合的更均匀，机筒和螺杆的长度也可相应缩短，减少加热时间，避免物料过热分解，同时也节省能源。本设备尤其适于加工热敏性塑料。
下面结合具体图例对本实用新型做进一步说明：
图1为本实用新型结构示意图
图2为行星机筒局部剖面图
图3为图2的端面示意图
参照图1，行星式多螺杆塑料挤出机由动力1、料斗2、主机筒3及装设在主机筒3内的主螺杆4组成，在主机筒3的末端增设一行星机筒5，行星机筒5与主机筒3固定在一起，采用此结构可相应缩短机筒和螺杆的长度。
参照图2，行星机筒5内设有中心螺杆6和围绕着中心螺杆6四周的行星螺杆7，而行星机筒5内表面设有与行星螺杆7相配合的螺牙8，中心螺杆6与主螺杆4轴接。
参照图3，行星机筒5的端面，行星螺杆7均匀分布在中心螺杆6的四周，行星机筒5内表面设有与行星螺杆7相配合的螺牙8。

Claims (1)

1、一种由动力、料斗、主机筒及装设在主机筒内的主螺杆组成的行星式多螺杆塑料挤出机，其特征是在主机筒的末端增设一行星机筒，行星机筒与主机筒固定在一起，行星机筒内设有中心螺杆和围绕着中心螺杆四周的行星螺杆，而行星机筒内表面设有与行星螺杆相配合的螺牙，中心螺杆与主螺杆轴接。
CN99227238U 1999-01-29 1999-01-29 行星式多螺杆塑料挤出机 Expired - Fee Related CN2355864Y (zh)

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CN99227238U CN2355864Y (zh) 1999-01-29 1999-01-29 行星式多螺杆塑料挤出机

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CN99227238U CN2355864Y (zh) 1999-01-29 1999-01-29 行星式多螺杆塑料挤出机

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172486A (zh) * 2011-03-01 2011-09-07 苏州兆达特纤科技有限公司 一种多螺杆混合器及其在聚对苯二甲酰对苯二胺连续聚合反应中的应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172486A (zh) * 2011-03-01 2011-09-07 苏州兆达特纤科技有限公司 一种多螺杆混合器及其在聚对苯二甲酰对苯二胺连续聚合反应中的应用
CN102172486B (zh) * 2011-03-01 2013-11-06 苏州兆达特纤科技有限公司 一种多螺杆混合器及其在聚对苯二甲酰对苯二胺连续聚合反应中的应用

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