CN203622886U - 具有供料调节功能的eva胶膜挤出机 - Google Patents

具有供料调节功能的eva胶膜挤出机 Download PDF

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CN203622886U
CN203622886U CN201320671135.1U CN201320671135U CN203622886U CN 203622886 U CN203622886 U CN 203622886U CN 201320671135 U CN201320671135 U CN 201320671135U CN 203622886 U CN203622886 U CN 203622886U
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feed
feed hopper
extruder
eva
die head
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顾正忠
陈忠斌
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SUZHOU TECHNIQUE SOLAR FILM MATERIAL CO Ltd
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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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • B29C2948/92104—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

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

Abstract

本实用新型涉及一种具有供料调节功能的EVA胶膜挤出机,属于塑料的挤出成型技术领域。该EVA胶膜挤出机包括主机筒、设于主机筒内的挤出螺杆和用于驱动挤出螺杆转动的驱动电机，主机筒的进料端设有供料斗，供料斗底部制为锥顶向下的锥形且制有位于锥顶处的开口，主机筒的出料端设有模头，供料斗的开口处设有调节板，模头出口处设有用于产生物料流量信息的流量传感器，供料斗外部设有用于接收所述物料流量信息后驱动调节板转动的调节电机，调节板与供料斗侧壁形成过料通道。该EVA胶膜挤出机具有短时间内大幅度改变给挤出机供料且适应熔融树脂生产波动的要求的优点。

Description

具有供料调节功能的EVA胶膜挤出机
技术领域
本实用新型涉及一种EVA胶膜挤出机，属于塑料的挤出成型技术领域。
背景技术
目前，太阳能电池的封装一般采用乙烯一醋酸乙烯醋共聚物(EVA)胶膜将太阳能电池片包封，并与上下层保护材料粘合在一起，构成太阳能电池组件。EVA是一种典型的无规高分子化合物，它在加热熔融时具有良好的浸润性，冷却固化时具有良好的挠曲性、抗应力开裂性和粘结性能，是一种较为理想的能用于太阳能电池封装的材料。
EVA成膜采用的是挤压成型工艺，整条生产线通常包括搅拌设备、挤出设备、压膜装置、切边单元及收卷设备，完成混料、上料、挤出、成型、切边、收卷工序。其中，挤出设备是整个生产线中的主要部分，由挤出机及设置于挤出机末端的模头构成。挤出机为螺杆挤出机，挤出机的顶部设有料斗，螺杆外部设有加热器，将从料斗内落入挤出机内的原料随着螺杆的输送而对其加热，使其塑化，熔融树脂经模头的出料口流延出胶膜。胶膜经压膜装置中的压辊压膜成型，然后冷却定型。
申请人发现，通过料斗给挤出机供料，主要是通过料斗中的物料自身重力给挤出机供料，供料变动小，不适合短时间内大幅度改变给挤出机供料的功能，适应不了熔融树脂生产波动的要求。
实用新型内容
本实用新型要解决的技术问题是，针对现有技术不足，提出一种短时间内大幅度改变给挤出机供料且适应熔融树脂生产波动的要求的具有供料调节功能的EVA胶膜挤出机。
本实用新型为解决上述技术问题提出的技术方案是：一种具有供料调节功能的EVA胶膜挤出机，包括主机筒、设于主机筒内的挤出螺杆和用于驱动挤出螺杆转动的驱动电机，所述主机筒的进料端设有供料斗，所述供料斗底部制为锥顶向下的锥形且制有位于锥顶处的开口，所述主机筒的出料端设有模头，所述供料斗的开口处设有调节板，所述模头出口处设有用于产生物料流量信息的流量传感器，所述供料斗外部设有用于接收所述物料流量信息后驱动调节板转动的调节电机，所述调节板与所述供料斗侧壁形成过料通道。
本实用新型采用上述技术方案的有益效果是：通过在主机筒的进料端设有供料斗，主机筒的出料端设有模头，供料斗的开口处设有调节板，模头出口处设有用于产生物料流量信息的流量传感器，供料斗外部设有用于接收物料流量信息后驱动调节板转动的调节电机，调节板与供料斗侧壁形成过料通道；由于给主机筒供料的是EVA颗粒，故可以通过调节电机根据模头出口处的流量传感器产生的物料流量信息驱动调节板转动，通过调节调节板与供料斗内侧壁形成的过料通道的大小，来进行供料量调节，具有短时间内大幅度改变给挤出机供料且适应熔融树脂生产波动的要求的优点。
上述技术方案的改进是：所述模头出口处设有用于产生物料温度信息的温度传感器，所述主机筒外部周圈设有用于接收所述物料温度信息后调节加热温度的加热器。
上述技术方案的改进是：所述调节板上制有0.49mm凸起。
上述技术方案的改进是：所述流量传感器和调节电机之间串联有第一模/数转换模块和第一中央处理器。
上述技术方案的改进是：所述温度传感器和加热器之间串联有第二模/数转换模块和第二中央处理器。
附图说明
下面结合附图对本实用新型作进一步说明：
图1是本实用新型实施例具有供料调节功能的EVA胶膜挤出机的结构示意图。
具体实施方式
实施例
本实施例的具有供料调节功能的EVA胶膜挤出机，如图1所示，包括主机筒1、设于主机筒1内的挤出螺杆和用于驱动挤出螺杆转动的驱动电机2。主机筒1的进料端设有供料斗3，供料斗3底部制为锥顶向下的锥形且制有位于锥顶处的开口，主机筒1的出料端设有模头4。
供料斗3的开口处设有调节板5，模头4出口处设有用于产生物料流量信息的流量传感器6，供料斗3外部设有用于接收物料流量信息后驱动调节板5转动的调节电机7。调节板5与供料斗3侧壁形成过料通道5-1。
本实施例的模头4出口处设有用于产生物料温度信息的温度传感器8，主机筒1外部周圈设有用于接收物料温度信息后调节加热温度的加热器9。
本实施例的调节板5上制有0.49mm凸起。
本实施例的流量传感器6和调节电机7之间串联有第一模/数转换模块和第一中央处理器。
本实施例的温度传感器8和加热器9之间串联有第二模/数转换模块和第二中央处理器。
本实用新型不局限于上述实施例。凡采用等同替换形成的技术方案，均落在本实用新型要求的保护范围。

Claims (5)

1.一种具有供料调节功能的EVA胶膜挤出机，包括主机筒、设于主机筒内的挤出螺杆和用于驱动挤出螺杆转动的驱动电机，所述主机筒的进料端设有供料斗，所述供料斗底部制为锥顶向下的锥形且制有位于锥顶处的开口，所述主机筒的出料端设有模头，其特征在于：所述供料斗的开口处设有调节板，所述模头出口处设有用于产生物料流量信息的流量传感器，所述供料斗外部设有用于接收所述物料流量信息后驱动调节板转动的调节电机，所述调节板与所述供料斗侧壁形成过料通道。
2.如权利要求1所述具有供料调节功能的EVA胶膜挤出机，其特征在于：所述模头出口处设有用于产生物料温度信息的温度传感器，所述主机筒外部周圈设有用于接收所述物料温度信息后调节加热温度的加热器。
3.如权利要求1或2所述具有供料调节功能的EVA胶膜挤出机，其特征在于：所述调节板上制有0.49mm凸起。
4.如权利要求1或2所述具有供料调节功能的EVA胶膜挤出机，其特征在于：所述流量传感器和调节电机之间串联有第一模/数转换模块和第一中央处理器。
5.如权利要求2所述具有供料调节功能的EVA胶膜挤出机，其特征在于：所述温度传感器和加热器之间串联有第二模/数转换模块和第二中央处理器。
CN201320671135.1U 2013-10-29 2013-10-29 具有供料调节功能的eva胶膜挤出机 Expired - Fee Related CN203622886U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587092A (zh) * 2013-10-29 2014-02-19 苏州泰科尼光伏材料有限公司 具有供料调节功能的eva胶膜挤出机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587092A (zh) * 2013-10-29 2014-02-19 苏州泰科尼光伏材料有限公司 具有供料调节功能的eva胶膜挤出机
CN103587092B (zh) * 2013-10-29 2016-01-20 苏州泰科尼光伏材料有限公司 具有供料调节功能的eva胶膜挤出机

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