CN201669873U - 一种多进料口双螺杆挤出机用螺杆 - Google Patents

一种多进料口双螺杆挤出机用螺杆 Download PDF

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Publication number
CN201669873U
CN201669873U CN2010201961588U CN201020196158U CN201669873U CN 201669873 U CN201669873 U CN 201669873U CN 2010201961588 U CN2010201961588 U CN 2010201961588U CN 201020196158 U CN201020196158 U CN 201020196158U CN 201669873 U CN201669873 U CN 201669873U
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China
Prior art keywords
mixing
section
screw
screw extruder
inlet double
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Expired - Fee Related
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CN2010201961588U
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English (en)
Inventor
吴建新
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Yixing Wangda Plastic Co Ltd
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Yixing Wangda Plastic Co Ltd
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Priority to CN2010201961588U priority Critical patent/CN201669873U/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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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

Abstract

本实用新型公开了一种多进料口双螺杆挤出机用螺杆，该螺杆由与传动机构相连的传动轴颈段和混炼段组成，所述混炼段由若干厚度相同但配置方向不同的捏合块固定连接组成，在相邻两个捏合块之间设有混炼槽。本实用新型的螺杆不含有送料段和挤出段，仅由传动轴颈段和混炼段组成，通过调整混炼段捏合块的排布，不仅可以实现混炼或反应的功能，还可直接将物料挤出，增大了混合压力，使混合更加均匀，搅拌更加彻底，最终使产品性能稳定性更好，可塑性更佳。本螺杆可以更好地与多进料口双螺杆挤出机相匹配，使多进料口双螺杆挤出机的应用范围更加广泛。

Description

一种多进料口双螺杆挤出机用螺杆
技术领域
本实用新型属于挤出机设备领域，具体涉及一种多进料口双螺杆挤出机用螺杆。
背景技术
螺杆挤出机作为高分子材料的制造及成型加工的重要设备，广泛应用于各种领域，因此适用于不同方面及产品的挤出机种类繁多。由于螺杆挤出机具有一个进料口时会使物料在螺杆间的分布不均匀，从而使得出料口的产品均匀度不好，不能达到高性能的要求。为克服这个问题，ZL200820042276.6公开了一种在料筒上均匀分布4～6个进料口的的螺杆挤出机，以期提高物料混合的均匀度并维持产品性能的稳定性。但现有的挤出机螺杆大多分为传送轴颈段、送料段、混炼段和挤出段，但是在多点进料的螺杆挤出机上，由于进料点并非仅在送料段或送料段之前，有可能在混炼段就有进料口，甚至在挤出段也有进料口，所以现有的这种螺杆并不适用于多点进料的挤出机，而且不但达不到多点进料的预期效果，还会使挤出的产品性能更差。
发明内容
本实用新型的目的是为了克服上述问题，针对多进料口双螺杆挤出机的特点，提供一种多进料口双螺杆挤出机专用螺杆。
本实用新型的目的可以通过以下措施达到：
一种多进料口双螺杆挤出机用螺杆，该螺杆由与传动机构相连的传动轴颈段和混炼段组成，所述混炼段由若干厚度相同但配置方向不同的捏合块固定连接组成，在相邻两个捏合块之间设有混炼槽。
捏合块可以采用多种形状，各捏合块的横截面可以不同，也可以相同，根据实际条件以及所要生产产品的性能决定。
相邻两个捏合块之间的各混炼槽的宽度优选相同。
本实用新型的螺杆不含有送料段和挤出段，仅由传动轴颈段和混炼段组成，通过调整混炼段捏合块的排布，不仅可以实现混炼或反应的功能，还可直接将物料挤出，增大了混合压力，使混合更加均匀，搅拌更加彻底，最终使产品性能稳定性更好，可塑性更佳。本螺杆可以更好地与多进料口双螺杆挤出机相匹配，使多进料口双螺杆挤出机的应用范围更加广泛。
附图说明
图1是本实用新型的结构示意图。
具体实施方式
如图1所示，整个多进料口双螺杆挤出机用螺杆仅由与传动机构相连的传动轴颈段1和连接于传动轴颈段1之后的混炼段2组成。其中混炼段2由多个捏合块3相互径向固定连接组成，各捏合块3的厚度相同、横截面可以不同且配置方向不同。在每两个相邻的捏合块3之间设有宽度相同的混炼槽4。
将本螺杆应用于多进料口双螺杆挤出机时，各进料口可以更加自由地根据料筒内的物料混合情况进行设置，使最终制出的产品的性能更加稳定。

Claims (2)

1.一种多进料口双螺杆挤出机用螺杆，其特征在于该螺杆由与传动机构相连的传动轴颈段(1)和混炼段(2)组成，所述混炼段(2)由若干厚度相同但配置方向不同的捏合块(3)固定连接组成，在相邻两个捏合块(3)之间设有混炼槽(4)。
2.根据权利要求1所述的多进料口双螺杆挤出机用螺杆，其特征在于各混炼槽(4)的宽度相同。 
CN2010201961588U 2010-05-19 2010-05-19 一种多进料口双螺杆挤出机用螺杆 Expired - Fee Related CN201669873U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201961588U CN201669873U (zh) 2010-05-19 2010-05-19 一种多进料口双螺杆挤出机用螺杆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201961588U CN201669873U (zh) 2010-05-19 2010-05-19 一种多进料口双螺杆挤出机用螺杆

Publications (1)

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CN201669873U true CN201669873U (zh) 2010-12-15

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Country Status (1)

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CN (1) CN201669873U (zh)

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Granted publication date: 20101215

Termination date: 20120519