CN108481601A - 工程塑料加工装置及玻纤含量控制方法 - Google Patents

工程塑料加工装置及玻纤含量控制方法 Download PDF

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CN108481601A
CN108481601A CN201810146608.3A CN201810146608A CN108481601A CN 108481601 A CN108481601 A CN 108481601A CN 201810146608 A CN201810146608 A CN 201810146608A CN 108481601 A CN108481601 A CN 108481601A
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weight
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张宜鹏
刘新海
郭争光
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Ningbo Hua Tan First Research And New Materials Co Ltd
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • 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
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    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本发明的目的是提供一种工程塑料加工装置及玻纤含量控制方法。一种工程塑料加工装置，包括：前端设有出料口的双螺杆挤出机，位于双螺杆挤出机上方的颗粒主料计重加料机构和玻纤计重加料机构，控制器；双螺杆挤出机包括：筒体，设于筒体中的两个螺杆，与控制器电连接的电机；筒体上从后至前依次设有：与颗粒主料计重加料机构相对应的颗粒主料入料口，与筒体连接且与玻纤计重加料机构相对应的锥台形玻纤导入口，抽真空口。所述的工程塑料加工装置，玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量。

Description

工程塑料加工装置及玻纤含量控制方法
技术领域
本发明涉及工程塑料制造领域，尤其是一种工程塑料加工装置及玻纤含量控制方法。
背景技术
在工程塑料中，玻璃纤维是常用的增强改性原料；工程塑料中玻纤含量的变化直接影响工程塑料的力学性能，所以在工程塑料生产过程中玻纤含量的控制显得尤为重要；传统的工程塑料生产过程中，存在玻纤的加入量不稳定、误差较大；通过单位时间内进入双螺杆挤出机的少量几根玻纤的重量结合粒料的加入量计算工程塑料中的玻纤含量，或通过灼烧法测定工程塑料中的灰分后计算工程塑料中的玻纤含量，存在检测工程塑料中的玻纤含量准确度较低，检测时间较长不能实时监控的不足；因此，设计一种玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量的工程塑料加工装置及玻纤含量控制方法，成为亟待解决的问题。
发明内容
本发明的目的是为了克服目前工程塑料生产过程中，存在玻纤的加入量不稳定、误差较大，通过单位时间内进入双螺杆挤出机的少量几根玻纤的重量结合粒料的加入量计算工程塑料中的玻纤含量，或通过灼烧法测定工程塑料中的灰分后计算工程塑料中的玻纤含量，存在检测工程塑料中的玻纤含量准确度较低，检测时间较长不能实时监控的不足，提供一种玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量的工程塑料加工装置及玻纤含量控制方法。
本发明的具体技术方案是：
一种工程塑料加工装置，包括：前端设有出料口的双螺杆挤出机；所述的工程塑料加工装置还包括：位于双螺杆挤出机上方的颗粒主料计重加料机构和玻纤计重加料机构，控制器；双螺杆挤出机包括：筒体，设于筒体中的两个螺杆，与控制器电连接的电机；筒体上从后至前依次设有：与颗粒主料计重加料机构相对应的颗粒主料入料口，与筒体连接且与玻纤计重加料机构相对应的锥台形玻纤导入口，抽真空口。所述的工程塑料加工装置，通过颗粒主料计重加料机构对颗粒主料进行实时加料重量检测，通过玻纤计重加料机构对玻纤进行实时加料重量进行检测，通过控制器将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；当实时玻纤含量出现偏离设定目标值时自动进行调整，使实时玻纤含量达到设定目标值；玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量。
作为优选，所述的颗粒主料计重加料机构包括：设有搅拌装置的混料罐，设于混料罐下方的粒料罐，设于粒料罐下方且与控制器电连接的失重计量秤；混料罐的出口与粒料罐的进口连通；粒料罐的出口与失重计量秤的进口连通；失重计量秤的出口与颗粒主料入料口相对。失重计量秤是一种间断进料连续出料的称重设备，可达到较高的控制精度，结构又易于密封，故在粉料控制时与用螺旋秤来相比是一大提高；颗粒主料计重加料机构通过失重计量秤控制颗粒主料加料重量，结构简单且加料重量控制精度较高。
作为优选，所述的玻纤计重加料机构包括：箱体，设于箱体中且与控制器电连接的电子平台秤，下端与平台秤连接且上端设有若干个支承架的支承座；箱体下端设有与锥台形玻纤导入口相对的玻纤出口。玻纤计重加料机构通过电子平台秤对玻纤卷称重，通过玻纤卷的实时重量减少确定加入双螺杆挤出机中的玻纤的实时加料重量，结构简单实用。
作为优选，所述的控制器包括：用于接收颗粒主料实时加料重量信号和玻纤实时加料重量信号的接收模块，用于存储预置的颗粒主料实时加料重量和玻纤实时加料重量的设定目标值，且对实时玻纤含量进行计算的存储模块，用于当接收到的实时玻纤含量变化偏离设定目标值时发出声光报警的报警模块，用于调控实时玻纤含量的控制模块。控制器通过接收模块接收颗粒主料实时加料重量信号和玻纤实时加料重量，通过将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量，当实时玻纤含量出现偏离设定目标值时通过报警模块报警，通过控制模块控制进行调整使实时玻纤含量达到设定目标值，结构简单实用。
作为优选，所述的工程塑料加工装置还包括：依次设于双螺杆挤出机前侧的水冷槽、风刀、切粒机、振动筛和料仓。水冷槽利于从出料口挤出的工程塑料冷却，风刀利于快速吹除水份，切粒机切粒后，振动筛利于筛除碎屑和灰尘。
一种工程塑料加工装置的玻纤含量控制方法，所述的工程塑料加工装置具有上述的工程塑料加工装置的限定结构，（1）将颗粒主料实时加料重量和玻纤实时加料重量的设定目标值预置存储于控制器的存储模块；（2）塑料颗粒原料和辅料经混料罐混料成颗粒主料进入粒料罐，粒料罐中的颗粒主料经失重计量秤从颗粒主料入料口加入双螺杆挤出机中加热熔融，且在螺杆挤压下向前运动，失重计量秤将实时加料重量信号传送给控制器的接收模块；箱体中的连续玻纤经玻纤出口、锥台形玻纤导入口加入双螺杆挤出机中与熔融的颗粒主料混合，且在螺杆挤压下向前运动，失重计量秤将置于支承架上的玻纤卷的实时重量减少的信号传送给控制器的接收模块，支承架上的玻纤卷的实时重量减少量即为加入双螺杆挤出机中的玻纤的实时加料重量；（3）存储模块将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；（4）当实时玻纤含量出现偏离设定目标值时发出声光报警；（5）控制器的控制模块经电机调整螺杆的转速，从而调整玻纤加入双螺杆挤出机中的实时加料重量，使实时玻纤含量达到设定目标值；或保持螺杆转速不变，控制器的控制模块控制调整颗粒主料计重加料机构的失重计量秤的实时加料重量，使实时玻纤含量达到设定目标值。颗粒主料计重加料机构通过失重计量秤控制颗粒主料加料重量，结构简单且加料重量控制精度较高。所述的工程塑料加工装置的玻纤含量控制方法能满足玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量的需要。
与现有技术相比，本发明的有益效果是：所述的工程塑料加工装置，通过颗粒主料计重加料机构对颗粒主料进行实时加料重量检测，通过玻纤计重加料机构对玻纤进行实时加料重量进行检测，通过控制器将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；当实时玻纤含量出现偏离设定目标值时自动进行调整，使实时玻纤含量达到设定目标值；玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量。玻纤计重加料机构通过电子平台秤对玻纤卷称重，通过玻纤卷的实时重量减少确定加入双螺杆挤出机中的玻纤的实时加料重量，结构简单实用。控制器通过接收模块接收颗粒主料实时加料重量信号和玻纤实时加料重量，通过将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量，当实时玻纤含量出现偏离设定目标值时通过报警模块报警，通过控制模块控制进行调整使实时玻纤含量达到设定目标值，结构简单实用。水冷槽利于从出料口挤出的工程塑料冷却，风刀利于快速吹除水份，切粒机切粒后，振动筛利于筛除碎屑和灰尘。所述的工程塑料加工装置的玻纤含量控制方法能满足玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量的需要。
附图说明
图1是本发明的一种结构示意图。
图中：双螺杆挤出机1、出料口11、筒体12、螺杆13、电机14、颗粒主料入料口15、锥台形玻纤导入口16、抽真空口17、颗粒主料计重加料机构2、混料罐21、粒料罐22、失重计量秤23、搅拌装置24、玻纤计重加料机构3、箱体31、电子平台秤32、支承架33、支承座34、玻纤出口35、控制器4、接收模块41、存储模块42、报警模块43、控制模块44、水冷槽5、风刀6、切粒机7、振动筛8、料仓、玻纤卷10。
具体实施方式
下面结合附图所示对本发明进行进一步描述。
如附图1所示：一种工程塑料加工装置，包括：前端设有出料口11的双螺杆挤出机1，位于双螺杆挤出机1上方的颗粒主料计重加料机构2和玻纤计重加料机构3，控制器4；双螺杆挤出机1包括：筒体12，设于筒体12中的两个螺杆13，与控制器4电连接的电机14；筒体12上从后至前依次设有：与颗粒主料计重加料机构2相对应的颗粒主料入料口15，与筒体12连接且与玻纤计重加料机构3相对应的锥台形玻纤导入口16，抽真空口17。
所述的颗粒主料计重加料机构2包括：设有搅拌装置24的混料罐21，设于混料罐21下方的粒料罐22，设于粒料罐22下方且与控制器4电连接的失重计量秤23；混料罐21的出口与粒料罐22的进口连通；粒料罐22的出口与失重计量秤23的进口连通；失重计量秤23的出口与颗粒主料入料口15相对。
所述的玻纤计重加料机构3包括：箱体31，设于箱体31中且与控制器4电连接的电子平台秤32，下端与平台秤连接且上端设有六个支承架33的支承座34；箱体31下端设有与锥台形玻纤导入口16相对的玻纤出口35。
所述的控制器4包括：用于接收颗粒主料实时加料重量信号和玻纤实时加料重量信号的接收模块41，用于存储预置的颗粒主料实时加料重量和玻纤实时加料重量的设定目标值，且对实时玻纤含量进行计算的存储模块42，用于当接收到的实时玻纤含量变化偏离设定目标值时发出声光报警的报警模块43，用于调控实时玻纤含量的控制模块44。
所述的工程塑料加工装置还包括：依次设于双螺杆13挤出机1前侧的水冷槽5、风刀6、切粒机7、振动筛8和料仓9。
一种工程塑料加工装置的玻纤含量控制方法，所述的工程塑料加工装置具有上述的工程塑料加工装置的限定结构，（1）将颗粒主料实时加料重量和玻纤实时加料重量的设定目标值预置存储于控制器4的存储模块42；（2）塑料颗粒原料和辅料经混料罐21混料成颗粒主料进入粒料罐22，粒料罐22中的颗粒主料经失重计量秤23从颗粒主料入料口15加入双螺杆13挤出机1中加热熔融，且在螺杆13挤压下向前运动，失重计量秤23将实时加料重量信号传送给控制器4的接收模块41；箱体31中的连续玻纤经玻纤出口35、锥台形玻纤导入口16加入双螺杆13挤出机1中与熔融的颗粒主料混合，且在螺杆13挤压下向前运动，失重计量秤23将置于支承架33上的玻纤卷10的实时重量减少的信号传送给控制器4的接收模块41，支承架33上的玻纤卷的实时重量减少量即为加入双螺杆13挤出机1中的玻纤的实时加料重量；（3）存储模块42将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；（4）当实时玻纤含量出现偏离设定目标值时发出声光报警；（5）控制器4的控制模块44经电机14调整螺杆13的转速，从而调整玻纤加入双螺杆13挤出机1中的实时加料重量，使实时玻纤含量达到设定目标值；或保持螺杆13转速不变，控制器4的控制模块44控制调整颗粒主料计重加料机构2的失重计量秤23的实时加料重量，使实时玻纤含量达到设定目标值。
本发明的有益效果是：所述的工程塑料加工装置，通过颗粒主料计重加料机构对颗粒主料进行实时加料重量检测，通过玻纤计重加料机构对玻纤进行实时加料重量进行检测，通过控制器将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；当实时玻纤含量出现偏离设定目标值时自动进行调整，使实时玻纤含量达到设定目标值；玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量。玻纤计重加料机构通过电子平台秤对玻纤卷称重，通过玻纤卷的实时重量减少确定加入双螺杆挤出机中的玻纤的实时加料重量，结构简单实用。控制器通过接收模块接收颗粒主料实时加料重量信号和玻纤实时加料重量，通过将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量，当实时玻纤含量出现偏离设定目标值时通过报警模块报警，通过控制模块控制进行调整使实时玻纤含量达到设定目标值，结构简单实用。水冷槽利于从出料口挤出的工程塑料冷却，风刀利于快速吹除水份，切粒机切粒后，振动筛利于筛除碎屑和灰尘。所述的工程塑料加工装置的玻纤含量控制方法能满足玻纤的加入量稳定、误差较小，检测工程塑料中的玻纤含量准确度较高，能实时监控、调整玻纤含量的需要。
本申请可改变为对本领域的技术人员是显而易见的多种方式，这样的改变不认为脱离本申请的范围。所有这样的对所述领域的技术人员显而易见的修改，将包括在本申请的范围之内。

Claims (6)

1.一种工程塑料加工装置，包括：前端设有出料口的双螺杆挤出机；其特征是，所述的工程塑料加工装置还包括：位于双螺杆挤出机上方的颗粒主料计重加料机构和玻纤计重加料机构，控制器；双螺杆挤出机包括：筒体，设于筒体中的两个螺杆，与控制器电连接的电机；筒体上从后至前依次设有：与颗粒主料计重加料机构相对应的颗粒主料入料口，与筒体连接且与玻纤计重加料机构相对应的锥台形玻纤导入口，抽真空口。
2.根据权利要求1所述的工程塑料加工装置，其特征是，所述的颗粒主料计重加料机构包括：设有搅拌装置的混料罐，设于混料罐下方的粒料罐，设于粒料罐下方且与控制器电连接的失重计量秤；混料罐的出口与粒料罐的进口连通；粒料罐的出口与失重计量秤的进口连通；失重计量秤的出口与颗粒主料入料口相对。
3.根据权利要求1所述的工程塑料加工装置，其特征是，所述的玻纤计重加料机构包括：箱体，设于箱体中且与控制器电连接的电子平台秤，下端与平台秤连接且上端设有若干个支承架的支承座；箱体下端设有与锥台形玻纤导入口相对的玻纤出口。
4.根据权利要求1或2或3所述的工程塑料加工装置，其特征是，所述的控制器包括：用于接收颗粒主料实时加料重量信号和玻纤实时加料重量信号的接收模块，用于存储预置的颗粒主料实时加料重量和玻纤实时加料重量的设定目标值，且对实时玻纤含量进行计算的存储模块，用于当接收到的实时玻纤含量变化偏离设定目标值时发出声光报警的报警模块，用于调控实时玻纤含量的控制模块。
5.根据权利要求1或2或3所述的工程塑料加工装置，其特征是，还包括：依次设于双螺杆挤出机前侧的水冷槽、风刀、切粒机、振动筛和料仓。
6.一种工程塑料加工装置的玻纤含量控制方法，所述的工程塑料加工装置具有权利要求1至权利要求5任一所述的工程塑料加工装置的限定结构，其特征是，（1）将颗粒主料实时加料重量和玻纤实时加料重量的设定目标值预置存储于控制器的存储模块；（2）塑料颗粒原料和辅料经混料罐混料成颗粒主料进入粒料罐，粒料罐中的颗粒主料经失重计量秤从颗粒主料入料口加入双螺杆挤出机中加热熔融，且在螺杆挤压下向前运动，失重计量秤将实时加料重量信号传送给控制器的接收模块；箱体中的连续玻纤经玻纤出口、锥台形玻纤导入口加入双螺杆挤出机中与熔融的颗粒主料混合，且在螺杆挤压下向前运动，失重计量秤将置于支承架上的玻纤卷的实时重量减少的信号传送给控制器的接收模块，支承架上的玻纤卷的实时重量减少量即为加入双螺杆挤出机中的玻纤的实时加料重量；（3）存储模块将颗粒主料实时加料重量和玻纤的实时加料重量分别与预置的目标值进行比较，且计算出实时玻纤含量；（4）当实时玻纤含量出现偏离设定目标值时发出声光报警；（5）控制器的控制模块经电机调整螺杆的转速，从而调整玻纤加入双螺杆挤出机中的实时加料重量，使实时玻纤含量达到设定目标值；或保持螺杆转速不变，控制器的控制模块控制调整颗粒主料计重加料机构的失重计量秤的实时加料重量，使实时玻纤含量达到设定目标值。
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