CN201704194U - 一种玻璃压延装置 - Google Patents
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Abstract
本实用新型适用于玻璃生产设备领域，提供了一种玻璃压延装置，包括相互平行设置的上压延辊和下压延辊，所述上压延辊和下压延辊均由驱动构件驱动转动，所述上压延辊和下压延辊的表面均设有均匀排列且呈凹凸状的纹路，所述纹路的深度为0.05mm至0.60mm。本实用新型提供的一种玻璃压延装置，其通过在上压延辊和下压延辊的表面设置均匀排列且呈凹凸状的纹路，所制得的玻璃透光率高，反射率低，有利于提高太阳能的光电转换效率。
Description
技术领域
本实用新型属于玻璃生产设备领域，尤其涉及一种玻璃压延装置。
背景技术
太阳能是一种取之不竭的新能源，利用太阳能发电的电池组件，如单晶硅太阳能电池、多晶硅太阳能电池、薄膜电池等，都需要一种盖板玻璃。该盖板玻璃一般为超白压延玻璃，主要用做太阳能光热、光电转换系统的单晶硅和多晶硅太阳能光伏电池采光面板，为使电极板充分吸收太阳能量、提高硅电池的光电转换效率，必须具备尽可能低的反射率、尽可能提高太阳光的透过率。现有技术中所使用的玻璃压延装置，其所制得的玻璃透光率低、反射率高，导致太阳能的光电转换效率低。
实用新型内容
本实用新型的目的在于克服上述现有技术的不足，提供了一种玻璃压延装置，其所制得的玻璃透光率高，反射率低。
本实用新型的技术方案是：一种玻璃压延装置，包括相互平行设置的上压延辊和下压延辊，所述上压延辊和下压延辊均由驱动构件驱动转动，所述上压延辊和下压延辊的表面均设有均匀排列且呈凹凸状的纹路，所述纹路的深度为0.05mm至0.60mm。
优选地，所述上压延辊和下压延辊的直径为220mm至320mm，所述上压延辊和下压延辊呈中空结构，所述上压延辊和下压延辊的壁厚为55mm至80mm。
优选地，所述纹路呈绒面状或四角布纹状或六角布纹状或正六边形或正八边形状。
优选地，所述上压延辊与所述下压延辊之间的间隙为2.8mm至5.0mm。
具体地，所述上压延辊开设有至少二沿所述上压延辊轴向设置的上辊冷却腔，所述上压延辊一端设有上辊进水口，另一端设有至少二上辊出水口，所述下压延辊开设有至少二沿所述下压延辊轴向设置的下辊冷却腔，所述下压延辊一端设有下辊进水口，另一端设有至少二下辊出水口。
优选地，所述上压延辊的表面粗糙度为Ra3至Ra9。
优选地，所述上压延辊采用马氏体不锈钢材料制造，所述下压延辊采用20CrNiMo材料制造。
具体地，所述上压延辊和下压延辊的径向跳动公差均小于0.20。
本实用新型提供的一种玻璃压延装置，其通过在上压延辊和下压延辊的表面设置均匀排列且呈凹凸状的纹路，所制得的玻璃透光率高，反射率低，有利于提高太阳能的光电转换效率。
附图说明
图1是本实用新型实施例提供的一种玻璃压延装置的上压延辊和下压延辊的示意图；
图2是本实用新型实施例提供的一种玻璃压延装置的结构示意图；
图3是本实用新型实施例提供的一种玻璃压延装置的纹路呈菱形的上压延辊的示意图；
图4是本实用新型实施例提供的一种玻璃压延装置的纹路呈菱形的上压延辊的局部示意图。
具体实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。如图1和图2所示，本实用新型实施例提供的一种玻璃压延装置，包括支架300和相互平行设置的上压延辊100和下压延辊200，上压延辊100和下压延辊200转动设于支架300上，所述上压延辊100和下压延辊200均由驱动构件驱动转动，所述驱动构件为电机，所述上压延辊100和下压延辊200的转动方向相反，使玻璃可从上压延辊100和下压延辊200之间成型并排出，所述上压延辊100和下压延辊200的表面均设有均匀排列且呈凹凸状的纹路，所述纹路的深度为0.05mm至0.60mm，使玻璃在经过上压延辊100和下压延辊200之间时可形成一定形状的纹路，纹路清晰，与现有技术中的玻璃压延装置所生产出来的玻璃相比，本实用新型实施例提供的一种玻璃压延装置所生产出来的玻璃，其表面呈凹凸不平状，以增强其漫反射能力，透光率高，反射率低，可使太阳光尽可能多地通过玻璃，透光率可达92％以上，可用于成型太阳能超白玻璃，提高了太阳能的光电转换效率。
具体地，所述上压延辊100和下压延辊200的直径为220mm至320mm，所述上压延辊100和下压延辊200呈中空结构，所述上压延辊100和下压延辊200的壁厚为55mm至80mm，本实施例中，将上压延辊100和下压延辊200的直径设置为290mm，在上压延辊100和下压延辊200转动速度一定的情况下，直径设置得较大可提高上压延辊100和下压延辊200的线速度，有利于提高装置的生产效率，壁厚设置为70mm，在保证上压延辊100和下压延辊200的结构强度的同时降低了上压延辊100和下压延辊200的重量，在驱动构件功率一定的情况下，重量较轻的上压延辊100和下压延辊200可获得更高的转速，有利于提高设备的工作效率。
优选地，所述纹路呈绒面状或四角布纹状或六角布纹状或正六边形或正八边形状或菱形(参考图3和图4所示)，本实施例中，上压延辊100和下压延辊200匀采用绒面状的纹路形状，上压延辊100的表面粗糙度为Ra7至Ra8，下压延辊200的表面粗糙度为Ra4至Ra5，以提高玻璃的透光率，另外地，也可以将上压延辊100和下压延辊200设置为采用四角布纹状的纹路形状，上压延辊100的表面粗糙度为Ra6至Ra8，下压延辊200的纹路深度为0.15mm至0.30mm，或者将上压延辊100和下压延辊200设置为采用六角布纹状的纹路形状，上压延辊100的表面粗糙度为Ra6至Ra8，下压延辊200的纹路深度为0.15mm至0.30mm。
优选地，如图1所示，所述上压延辊100与所述下压延辊200之间的间隙为2.8mm至5.0mm，上压延辊100与所述下压延辊200之间的间隙可根据实际情况进行调整，以生产不同厚度规格的玻璃。
具体地，所述上压延辊100开设有至少二沿所述上压延辊100轴向设置的上辊冷却腔101，所述上压延辊100一端设有上辊进水口110，另一端设有至少二上辊出水口120，所述下压延辊200开设有至少二沿所述下压延辊200轴向设置的下辊冷却腔，所述下压延辊200一端设有下辊进水口，另一端设有至少二下辊出水口，本实施例中，所述上压延辊100内设有一“十”字形骨架，提高了上压延辊100的结构强度，通过所述“十”字形骨架将上压延辊100内分隔成四个上辊冷却腔101，上辊进水口110同时连通四个上辊冷却腔101，另一端设有四个上辊出水口120，上辊出水口120分别连通各上辊冷却腔101，使冷却水可以均匀地通过上压延辊100，以提高冷却性能，所述下压延辊200与上压延辊100的结构相似，其内设有一“十”字形骨架，提高了下压延辊200的结构强度，通过所述“十”字形骨架将下压延辊200内分隔成四个下辊冷却腔，下辊进水口同时连通四个下辊冷却腔，另一端设有四个下辊出水口，下辊出水口分别连通各下辊冷却腔，提高了装置的散热性能。
优选地，所述上压延辊100的表面粗糙度为Ra3至Ra9，以提高纹路的质量。
优选地，所述上压延辊100和下压延辊200均采用合金钢材料制造，具体地，所述上压延辊100采用马氏体不锈钢材料制造，所述下压延辊200采用20CrNiMo材料制造，其硬度较高，综合性能较好，且加工完成后轻过调质处理，提高上压延辊100和下压延辊200的耐用性。
具体地，所述上压延辊100和下压延辊200的径向跳动公差均小于0.20，以提高所生产的玻璃的一致性，本实施例中将径向跳动公差控制至小于0.10，可提高装置所生产的玻璃的精度。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。
Claims (8)
1.一种玻璃压延装置，包括相互平行设置的上压延辊和下压延辊，所述上压延辊和下压延辊均由驱动构件驱动转动，其特征在于：所述上压延辊和下压延辊的表面均设有均匀排列且呈凹凸状的纹路，所述纹路的深度为0.05mm至0.60mm。
2.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊和下压延辊的直径为220mm至320mm，所述上压延辊和下压延辊呈中空结构，所述上压延辊和下压延辊的壁厚为55mm至80mm。
3.如权利要求1所述的一种玻璃压延装置，其特征在于：所述纹路呈绒面状或四角布纹状或六角布纹状或正六边形或正八边形状。
4.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊与所述下压延辊之间的间隙为2.8mm至5.0mm。
5.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊开设有至少二沿所述上压延辊轴向设置的上辊冷却腔，所述上压延辊一端设有上辊进水口，另一端设有至少二上辊出水口，所述下压延辊开设有至少二沿所述下压延辊轴向设置的下辊冷却腔，所述下压延辊一端设有下辊进水口，另一端设有至少二下辊出水口。
6.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊的表面粗糙度为Ra3至Ra9。
7.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊采用马氏体不锈钢材料制造，所述下压延辊采用20CrNiMo材料制造。
8.如权利要求1所述的一种玻璃压延装置，其特征在于：所述上压延辊和下压延辊的径向跳动公差均小于0.20。
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