CN115069107A - 一种高性能碳纸用碳纤维的高效分散器 - Google Patents

一种高性能碳纸用碳纤维的高效分散器 Download PDF

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CN115069107A
CN115069107A CN202210681960.3A CN202210681960A CN115069107A CN 115069107 A CN115069107 A CN 115069107A CN 202210681960 A CN202210681960 A CN 202210681960A CN 115069107 A CN115069107 A CN 115069107A
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沙力争
郭大亮
王虹
孙其忠
李静
许银超
苑田忠
童欣
常紫阳
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Zhejiang Lover Health Science and Technology Development Co Ltd
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Priority to LU503593A priority patent/LU503593B1/en
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Abstract

本发明公开了一种高性能碳纸用碳纤维的高效分散器，具体涉及碳纸制备领域，包括安装板和电机，所述电机安装于安装板上，电机的输出端上设置有中位机构，所述中位机构的一侧设置有下料机构、分散机构和卸料机构，推板将碳纸原料间歇性的较为均匀的推到分散腔内，竖杆带动齿条上下移动，带动转轮一和转轮二相向转动，搅动水流，从而在转轮一和转轮二之间形成分散区域，对运动到该区域内的碳纸原料进行纤维分散处理，当竖杆带动吸附海绵上移时，移动板会带动弹性伸缩杆左右移动，以便于弹性伸缩杆能够将吸附海绵上吸附的已经分散开来的碳纤维刮下，以完成对于符合尺寸要求的碳纤维的收集，这种收集方式方便快捷。

Description

一种高性能碳纸用碳纤维的高效分散器
技术领域
本发明涉及碳纸制备领域，更具体地说，本发明涉及一种高性能碳纸用碳纤维的高效分散器。
背景技术
膜电极是PEMFC中电化学反应核心场所，主要由气体扩散层、催化剂层和质子交换膜构成。目前，气体扩散层主要采用碳纸为基材层，在其表面上涂覆微孔层后形成电化学复合材料体系。
碳纤维在水中及湿法成形过程均匀分散实现纤维之间的良好交织，是碳纸原纸厚度均匀的先决条件，也是决定碳纸原纸孔隙结构和基础强度特性的重要因素。但是由于碳纤维与天然植物纤维相比，纤维细长，长径比大，纤维之间容易互相缠绕，不易分开，导致纤维在水中难以均匀分散，在流送系统中易再絮聚，进而造成碳纸原纸厚度和孔结构不均匀问题。
发明内容
为了克服现有技术的上述缺陷，本发明提供一种高性能碳纸用碳纤维的高效分散器，本发明所要解决的技术问题是：由于碳纤维与天然植物纤维相比，纤维细长，长径比大，纤维之间容易互相缠绕，不易分开，导致纤维在水中难以均匀分散，在流送系统中易再絮聚，进而造成碳纸原纸厚度和孔结构不均匀问题。
为实现上述目的，本发明提供如下技术方案：一种高性能碳纸用碳纤维的高效分散器，包括安装板和电机，所述电机安装于安装板上，电机的输出端上设置有中位机构，所述中位机构的一侧设置有下料机构、分散机构和卸料机构。
优选的，所述中位机构包括凸轮、移动板、竖杆、斜槽、凸钉和滑轨，所述电机的扭矩输出端和凸轮固定连接，凸轮的一侧设置有滑轨，所述滑轨和安装板固定连接，所述移动板和滑轨弹性滑动连接，凸轮和移动板抵触接触，所述移动板上开设有斜槽，所述斜槽内穿设有凸钉，所述凸钉和竖杆固定连接。
优选的，所述下料机构包括连杆一、连杆二、推板和进料腔，所述进料腔上开设有让位口，推板在让位口内滑动，进料腔和安装板固定连接，所述推板上转动连接有连杆二，所述连杆二和连杆一转动连接，所述连杆一和凸轮固定连接，所述安装板上固定连接有壳体，所述壳体位于让位口的上方，推板在壳体的输出端下方移动。
优选的，所述分散机构包括转轮一、转轮二、齿轮一、齿轮二、齿条和分散腔，所述分散腔和进料腔相连通，转轮一和转轮二均转动连接于分散腔内，所述分散腔内盛装有分散液，所述齿条和竖杆固定连接，所述安装板上转动连接有齿轮一和齿轮二，所述齿轮一和齿轮二均和齿条啮合传动，所述齿轮一和转轮一固定连接，所述齿轮二和转轮二固定连接。
优选的，所述卸料机构包括吸附海绵、固定块和弹性伸缩杆，吸附海绵内的孔洞大小由使用者预先确定，所述固定块在分散腔内滑动，吸附海绵固定连接于固定块上，所述竖杆上固定连接有固定块，所述移动板上固定连接有弹性伸缩杆，所述吸附海绵位于弹性伸缩杆的移动路径上。
优选的，所述分散液内含有60ppm的分散剂和0.2‰表面活性剂。
优选的，所述分散液中，碳纤维的为长度为3-6mm，质量分数为0.1％。
本发明的技术效果和优点：转轮一和转轮二相向转动，搅动水流，从而在转轮一和转轮二之间形成分散区域，对运动到该区域内的碳纸原料进行纤维分散处理，当竖杆带动吸附海绵上移时，移动板会带动弹性伸缩杆左右移动，以便于弹性伸缩杆能够将吸附海绵上吸附的已经分散开来的碳纤维刮下，以完成对于符合尺寸要求的碳纤维的收集，这种收集方式方便快捷。
附图说明
图1为本发明一种高性能碳纸用碳纤维的高效分散器的结构示意图。
图2为本发明齿条的结构示意图。
图3为本发明吸附海绵的结构示意图。
附图标记为：
1、安装板；2、凸轮；3、连杆一；4、连杆二；5、推板；6、进料腔；7、移动板；8、竖杆；9、斜槽；10、凸钉；11、滑轨；12、吸附海绵；13、弹性伸缩杆14、转轮一；15、转轮二；16、齿轮一；17、齿轮二；18、齿条；19、分散腔；20、壳体。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
请参阅图1-3，一种高性能碳纸用碳纤维的高效分散器，包括安装板1和电机，所述电机安装于安装板1上，电机的输出端上设置有中位机构，所述中位机构的一侧设置有下料机构、分散机构和卸料机构。
所述中位机构包括凸轮2、移动板7、竖杆8、斜槽9、凸钉10和滑轨11，所述电机的扭矩输出端和凸轮2固定连接，凸轮2的一侧设置有滑轨11，所述滑轨11和安装板1固定连接，所述移动板7和滑轨11弹性滑动连接，凸轮2和移动板7抵触接触，所述移动板7上开设有斜槽9，所述斜槽9内穿设有凸钉10，所述凸钉10和竖杆8固定连接。
所述下料机构包括连杆一3、连杆二4、推板5和进料腔6，所述进料腔6上开设有让位口，推板5在让位口内滑动，进料腔6和安装板1固定连接，所述推板5上转动连接有连杆二4，所述连杆二4和连杆一3转动连接，所述连杆一3和凸轮2固定连接，所述安装板1上固定连接有壳体20，所述壳体20位于让位口的上方，推板5在壳体20的输出端下方移动。
所述分散机构包括转轮一14、转轮二15、齿轮一16、齿轮二17、齿条18和分散腔19，所述分散腔19和进料腔6相连通，转轮一14和转轮二15均转动连接于分散腔19内，所述分散腔19内盛装有分散液，所述齿条18和竖杆8固定连接，所述安装板1上转动连接有齿轮一16和齿轮二17，所述齿轮一16和齿轮二17均和齿条18啮合传动，所述齿轮一16和转轮一14固定连接，所述齿轮二17和转轮二15固定连接。
所述卸料机构包括吸附海绵12、固定块和弹性伸缩杆13，吸附海绵12内的孔洞大小由使用者预先确定，所述固定块在分散腔19内滑动，吸附海绵12固定连接于固定块上，所述竖杆8上固定连接有固定块，所述移动板7上固定连接有弹性伸缩杆13，所述吸附海绵12位于弹性伸缩杆13的移动路径上。
开启电机，电机驱动凸轮2进行转动，凸轮2在转动时会抵触移动板7，使得移动板7在弹性力的作用下沿着安装板1来回滑动，斜槽9在左右移动的过程中挤压凸钉10，使得凸钉10带动竖杆8上下移动，与此同时，凸轮2通过连杆一3和连杆二4带动推板5在进料腔6内来回滑动，当推板5从壳体20的输出端下方移开时，壳体20内的碳纸原料落到进料腔6内，当推板5在连杆一3和连杆二4的带动下往右运动时，会将碳纸原料间歇性的较为均匀的推到分散腔19内，在分散腔19的外侧，竖杆8带动齿条18上下移动，通过齿条18分别和齿轮一16以及齿轮二17的啮合传动，带动转轮一14和转轮二15相向转动，搅动水流，从而在转轮一14和转轮二15之间形成分散区域，对运动到该区域内的碳纸原料进行纤维分散处理，当竖杆8带动吸附海绵12上移时，移动板7会带动弹性伸缩杆13左右移动，以便于弹性伸缩杆13能够将吸附海绵12上吸附的已经分散开来的碳纤维刮下，以完成对于符合尺寸要求的碳纤维的收集，这种收集方式方便快捷。
实施例二
请参阅图1，在上述实施例的基础上，所述分散液内含有60ppm的分散剂和0.2‰表面活性剂。所述分散液中，碳纤维的为长度为3-6mm，质量分数为0.1％。碳纤维在水中的分散及成形技术是保证碳纸原纸厚度均匀性、透气性及基础强度的关键技术。原纸厚度直接影响碳纸内部的传输结构，碳纸过厚会加长气体传输路径、增加传质阻力，进而产生较为严重的极化现象；而过薄又会减弱对催化剂层的保护作用，造成催化剂的流失与渗透，降低电化学反应活性面积。另外，碳纸原纸厚度不均一也会对成品的透气性和基础强度性能产生不利影响。碳纤维在水中及湿法成形过程均匀分散实现纤维之间的良好交织，是碳纸原纸厚度均匀的先决条件，也是决定碳纸原纸孔隙结构和基础强度特性的重要因素。但是由于碳纤维与天然植物纤维相比，纤维细长，长径比大，纤维之间容易互相缠绕，不易分开，导致纤维在水中难以均匀分散，在流送系统中易再絮聚，进而造成碳纸原纸厚度和孔结构不均匀问题，而纤维长度和悬浮液质量分数是影响碳纤维分散的重要因素，在质量分数0.1％、分散剂用量60ppm、表面活性剂用量0.2‰的分散体系中，长度3-6mm碳纤维在水中达到最佳分散状态，抄造碳纸原纸均匀性明显提高。
实施例中所提到的左右均以图1的方向为例进行说明。
最后应说明的几点是：首先，在本申请的描述中,需要说明的是,除非另有规定和限定,术语“安装”、“相连”、“连接”应做广义理解,可以是机械连接或电连接,也可以是两个元件内部的连通,可以是直接相连,“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变，则相对位置关系可能发生改变；
其次：本发明公开实施例附图中，只涉及到与本公开实施例涉及到的结构，其他结构可参考通常设计，在不冲突情况下，本发明同一实施例及不同实施例可以相互组合；
最后：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种高性能碳纸用碳纤维的高效分散器，包括安装板(1)和电机，所述电机安装于安装板(1)上，电机的输出端上设置有中位机构，其特征在于：所述中位机构的一侧设置有下料机构、分散机构和卸料机构。
2.根据权利要求1所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述中位机构包括凸轮(2)、移动板(7)、竖杆(8)、斜槽(9)、凸钉(10)和滑轨(11)，所述电机的扭矩输出端和凸轮(2)固定连接，凸轮(2)的一侧设置有滑轨(11)，所述滑轨(11)和安装板(1)固定连接，所述移动板(7)和滑轨(11)弹性滑动连接，凸轮(2)和移动板(7)抵触接触，所述移动板(7)上开设有斜槽(9)，所述斜槽(9)内穿设有凸钉(10)，所述凸钉(10)和竖杆(8)固定连接。
3.根据权利要求2所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述下料机构包括连杆一(3)、连杆二(4)、推板(5)和进料腔(6)，所述进料腔(6)上开设有让位口，推板(5)在让位口内滑动，进料腔(6)和安装板(1)固定连接，所述推板(5)上转动连接有连杆二(4)，所述连杆二(4)和连杆一(3)转动连接，所述连杆一(3)和凸轮(2)固定连接，所述安装板(1)上固定连接有壳体(20)，所述壳体(20)位于让位口的上方，推板(5)在壳体(20)的输出端下方移动。
4.根据权利要求3所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述分散机构包括转轮一(14)、转轮二(15)、齿轮一(16)、齿轮二(17)、齿条(18)和分散腔(19)，所述分散腔(19)和进料腔(6)相连通，转轮一(14)和转轮二(15)均转动连接于分散腔(19)内，所述分散腔(19)内盛装有分散液，所述齿条(18)和竖杆(8)固定连接，所述安装板(1)上转动连接有齿轮一(16)和齿轮二(17)，所述齿轮一(16)和齿轮二(17)均和齿条(18)啮合传动，所述齿轮一(16)和转轮一(14)固定连接，所述齿轮二(17)和转轮二(15)固定连接。
5.根据权利要求4所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述卸料机构包括吸附海绵(12)、固定块和弹性伸缩杆(13)，所述固定块在分散腔(19)内滑动，吸附海绵(12)固定连接于固定块上，所述竖杆(8)上固定连接有固定块，所述移动板(7)上固定连接有弹性伸缩杆(13)，所述吸附海绵(12)位于弹性伸缩杆(13)的移动路径上。
6.根据权利要求4或5所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述分散液内含有60ppm的分散剂和0.2‰表面活性剂。
7.根据权利要求6所述的一种高性能碳纸用碳纤维的高效分散器，其特征在于：所述分散液中，碳纤维的为长度为3-6mm，质量分数为0.1％。
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