CN113942272A - 一种超厚云母板固化加压工艺 - Google Patents
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Abstract
本发明涉及云母板生产技术领域,且公开了一种超厚云母板固化加压工艺,包括以下步骤:S1:原材料准备:准备云母纸和有机硅树脂;S2:云母纸上胶:将有机硅树脂通过涂胶机沿水平直线方向涂覆于云母纸上,再对有机硅树脂进行加温,使有机硅树脂树脂与云母纸充分粘合,避免云母纸与树脂层开裂;S3:压制成型:将云母纸铺在机硅树脂树脂上,通过多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合,防止分层,使云母板的硬度大大增强;S4:固化加厚:重复S2‑S3步骤,直至达到规定的云母板厚度。该超厚云母板固化加压工艺,能够解决目前在不断的固化加压过程中,工序较复杂,在应用加工过程中较易分层变形的问题。
Description
技术领域
本发明涉及云母板生产领域,具体为一种超厚云母板固化加压工艺。
背景技术
云母板是一种优质的绝缘材料,具有无毒、无味、耐高温、耐高压、耐老化、耐腐蚀、电气性能稳定等优点,特别是其优良的耐高温绝缘性能,最高耐温高达1000℃,在耐高温绝缘材料中,具有良好的性价比。因此广泛应用于家用电器、冶金化工等领域。
传统的云母板是由云母纸与有机硅胶水粘合、叠板、加温、压制而成,在生产超厚云母板,需要不断固化加压过程中,工序较复杂,在应用加工过程中较易分层变形。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种超厚云母板固化加压工艺,具备工艺简单,云母板不易分层变形的优点,解决了目前在不断的固化加压过程中,工序较复杂,在应用加工过程中较易分层变形的问题。
(二)技术方案
为实现工艺简单,云母板不易分层变形的目的,本发明提供如下技术方案:一种超厚云母板固化加压工艺,包括以下步骤:
S1:原材料准备:准备云母纸和有机硅树脂;
S2:云母纸上胶:将有机硅树脂通过涂胶机沿水平直线方向涂覆于云母纸上,再对有机硅树脂进行加温,使有机硅树脂树脂与云母纸充分粘合,避免云母纸与树脂层开裂;
S3:压制成型:将云母纸铺在机硅树脂树脂上,通过多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合,防止分层,使云母板的硬度大大增强;
S4:固化加厚:重复S2-S3步骤,直至达到规定的云母板厚度。
优选的,所述S1步骤中,对云母纸表面进行清洁,将其表面粘附的灰尘清理掉,确保云母纸的两侧保持洁净。
优选的,所述S1步骤中,通过搅拌机对有机硅树脂进行搅拌,搅拌时间为10分钟,搅拌速度为2200-2500转/分钟。
优选的,所述S2步骤中,涂覆的有机硅树脂厚度为1-1.5毫米,涂胶机一次性不中断涂覆完毕。
优选的,所述S2步骤中,通过恒温加热棒在机硅树脂的表面进行水平方向的往复运动,对机硅树脂进行加温,温度升温至20-25摄氏度。
优选的,所述S3步骤中,在25摄氏度的环境中,通过辊压机对云母纸施压,对云母纸施加15-25牛的压力,使得有机硅树脂与云母纸紧紧贴合。
优选的,所述S4步骤中,根据所需生产的云母板厚度,提前对S1步骤中准备的云母纸进行分垛,每一份生产云母板所需厚度的相应数量云母纸放置为一份。
(三)有益效果
与现有技术相比,本发明提供了一种超厚云母板固化加压工艺,具备以下有益效果:
该超厚云母板固化加压工艺,通过搅拌机对有机硅树脂进行搅拌,搅拌时间为10分钟,搅拌速度为2500转/分钟,使得有机硅树脂搅拌均匀,再对云母纸表面灰尘清理后,将有机硅树脂通过涂胶机沿水平直线方向一次性不中断涂覆于云母纸上,涂覆的有机硅树脂厚度为1.5毫米,再对有机硅树脂进行加温,使得机硅树脂树脂升温至20摄氏度,再云母纸铺在机硅树脂树脂上,在25摄氏度的环境中,通过辊压机对云母纸施加15牛的压力,并往复多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合,避免云母纸与树脂层开裂,直至云母板到达所需厚度,相比现有技术,本发明生产出的云母板表面平滑、无褶皱,硬度也大大增强,具有优越的电绝缘性能和耐高温性能,抗弯强度N/mm2>200>GB/T5019。
具体实施方式
下面将结合本发明实施例中,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。
一种超厚云母板固化加压工艺,包括以下步骤:
S1:原材料准备:准备云母纸和有机硅树脂,根据所需生产的云母板厚度,提前对准备的云母纸进行分垛,每一份生产云母板所需厚度的相应数量云母纸放置为一份,对云母纸表面进行清洁,将其表面粘附的灰尘清理掉,确保云母纸的两侧保持洁净,通过搅拌机对有机硅树脂进行搅拌,搅拌时间为10分钟,搅拌速度为2500转/分钟,搅拌过程中不断调整搅拌机的搅拌位置,提高搅拌效果;
S2:云母纸上胶:将有机硅树脂通过涂胶机沿水平直线方向涂覆于云母纸上,涂覆的有机硅树脂厚度为1.5毫米,涂胶机一次性不中断涂覆完毕,再对有机硅树脂进行加温,通过恒温加热棒在机硅树脂的表面进行水平方向的往复运动,对机硅树脂进行加温,温度升温至20摄氏度,使有机硅树脂树脂与云母纸充分粘合,避免云母纸与树脂层开裂;
S3:压制成型:将云母纸铺在机硅树脂树脂上,在25摄氏度的环境中,通过辊压机对云母纸施压,对云母纸施加15牛的压力,使得有机硅树脂与云母纸紧紧贴合,通过多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合,防止分层,使云母板的硬度大大增强;
S4:固化加厚:重复S2-S3步骤,直至达到规定的云母板厚度。
该超厚云母板固化加压工艺,通过搅拌机对有机硅树脂进行搅拌,搅拌时间为10分钟,搅拌速度为2500转/分钟,使得有机硅树脂搅拌均匀,再对云母纸表面灰尘清理后,将有机硅树脂通过涂胶机沿水平直线方向一次性不中断涂覆于云母纸上,涂覆的有机硅树脂厚度为1.5毫米,再对有机硅树脂进行加温,使得机硅树脂树脂升温至20摄氏度,再云母纸铺在机硅树脂树脂上,在25摄氏度的环境中,通过辊压机对云母纸施加15牛的压力,并往复多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合,避免云母纸与树脂层开裂,直至云母板到达所需厚度,相比现有技术,本发明生产出的云母板表面平滑、无褶皱,硬度也大大增强,具有优越的电绝缘性能和耐高温性能,抗弯强度N/mm2>200>GB/T5019。
需要说明的是,术语“包括”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (7)
1.一种超厚云母板固化加压工艺,其特征在于,包括以下步骤:
S1:原材料准备:准备云母纸和有机硅树脂;
S2:云母纸上胶:将有机硅树脂通过涂胶机沿水平直线方向涂覆于云母纸上,再对有机硅树脂进行加温,使有机硅树脂树脂与云母纸充分粘合;
S3:压制成型:将云母纸铺在机硅树脂树脂上,通过多次辊压固化,使得两张云母纸内有机硅树脂与云母纸紧紧贴合;
S4:固化加厚:重复S2-S3步骤,直至达到规定的云母板厚度。
2.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S1步骤中,对云母纸表面进行清洁,将其表面粘附的灰尘清理掉,确保云母纸的两侧保持洁净。
3.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S1步骤中,通过搅拌机对有机硅树脂进行搅拌,搅拌时间为10分钟,搅拌速度为2200-2500转/分钟。
4.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S2步骤中,涂覆的有机硅树脂厚度为1-1.5毫米,涂胶机一次性不中断涂覆完毕。
5.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S2步骤中,通过恒温加热棒在机硅树脂的表面进行水平方向的往复运动,对机硅树脂进行加温,温度升温至20-25摄氏度。
6.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S3步骤中,在25摄氏度的环境中,通过辊压机对云母纸施压,对云母纸施加15-25牛的压力,使得有机硅树脂与云母纸紧紧贴合。
7.根据权利要求1所述的一种超厚云母板固化加压工艺,其特征在于:所述S4步骤中,根据所需生产的云母板厚度,提前对S1步骤中准备的云母纸进行分垛,每一份生产云母板所需厚度的相应数量云母纸放置为一份。
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