CN112552050A - 一种碳化硼防弹陶瓷插板的生产工艺及配方 - Google Patents
一种碳化硼防弹陶瓷插板的生产工艺及配方 Download PDFInfo
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- 229910052580 B4C Inorganic materials 0.000 title claims abstract description 35
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 title claims abstract description 28
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Abstract
本发明公开了一种碳化硼防弹陶瓷插板的生产工艺及配方,包括以下步骤:步骤一,原料混合;步骤二,泥段炼制;步骤三,真空精炼;步骤四,插板成型;步骤五,坯体烘干;步骤六,真空脱脂;其中在上述步骤一中,将工厂自制的超细低杂质B4C粉加入数种配方辅料,在V型混料机干法混合,再将混合干料过高速粉碎机进一步相互分散混均;再将上述充分打散混均的干粉加入捏入机并按比例加入含有塑化剂;该发明选用超细粉体后采用此工艺,可以保持各点一致性好;解决干压成型时装填料不均匀会造成板各点性能不匀;本工艺简单易操作;还采用双曲面防弹插板成型采用双曲面托模,用上磨轻压即可塑性成型,并同时可压出表面毛糙感。
Description
技术领域
本发明涉及插板技术领域,具体为一种碳化硼防弹陶瓷插板的生产工艺及配方。
背景技术
碳化硼具有质轻、高硬度等优越性能,近年正逐渐用于防弹衣及防弹装甲材料;目前优质碳化硼陶瓷采用热压烧结;而采用无压烧结工艺的碳化硼因多种工艺因素影响,品质差距仍较大。
发明内容
本发明的目的在于提供一种碳化硼防弹陶瓷插板的生产工艺及配方,以解决上述背景技术中提出的问题。
为了解决上述技术问题,本发明提供如下技术方案:一种碳化硼防弹陶瓷插板的生产工艺,包括以下步骤:步骤一,原料混合;步骤二,泥段炼制;步骤三,真空精炼;步骤四,插板成型;步骤五,坯体烘干;步骤六,真空脱脂;
其中在上述步骤一中,将工厂自制的超细低杂质B4C粉加入数种配方辅料,在V型混料机干法混合,再将混合干料过高速粉碎机进一步相互分散混均;再将上述充分打散混均的干粉加入捏入机并按比例加入含有塑化剂、分散剂、粘结剂的水,捏合一定时间出料;
其中在上述步骤二中,出料后,将此料加入炼泥机进行多次循环炼制泥段,将泥段塑封防止水分流失陈腐数天,使泥段中各组份及水份更均匀;
其中在上述步骤三中,然后将泥段进行多次真空精炼;然后将炼得的合格泥段加入挤管机;按产品尺寸挤得所需长度所需厚度,所需截面弧形的产品并切断;
其中在上述步骤四中,然后采用塑法成型工艺,即将主辅材料添加特定塑化剂、分散剂、粘结剂等,以传统的练泥、挤压工艺,挤压成要求形状,切割、整形、制得毛坯;
其中在上述步骤五中,然后将坯体连同托模放入烘房,慢速按要求工艺烘干;
其中在上述步骤六中,烘干后的毛坯因有粘结剂存在强度较好,按要求每片放在同样双曲面石墨托架上再放入电炉进行无压烧结工艺;抽真空到按升温曲线脱脂、充Ar气;然后升温直至高温2100℃,然后保温2hr,最后自然冷却即可。
一种碳化硼防弹陶瓷插板的配方,配方包括:超细碳化硼、二硼化钛、碳化钛、碳纳米管、石墨烯、碳素、氧化钇,各组分的重量份数分别是:57-98.1%超细碳化硼、1-20%二硼化钛、0.5-10%碳化钛、0.1-3%碳纳米管、0.1-3%石墨烯、0.1-5%碳素、0.1-2%氧化钇。
作为本发明再进一步的方案:所述步骤二中,练泥机包括练泥机主体、投料漏斗、破碎组件、底座、移动组件、第一电机、主动轴、从动轴、第一齿轮、转动孔、螺纹破碎轮、滑槽、转动槽、第二电机、转动轴、第二齿轮、齿带、第三齿轮、滑轨、齿条,所述练泥机主体的顶端外壁上贯通连接有投料漏斗,所述投料漏斗的一侧内壁上固定有破碎组件,所述练泥机主体的底端外壁上焊接固定有底座,所述底座的底端内壁上固定有移动组件;
所述破碎组件包括第一电机、主动轴、从动轴、第一齿轮、转动孔和螺纹破碎轮,所述练泥机主体的顶端内壁上镶嵌安装有第一电机,所述投料漏斗的一侧内壁上转动连接有主动轴,且第一电机的输出轴一端固接于主动轴的一端外壁上,所述练泥机主体与投料漏斗之间的内壁上对称转动连接有从动轴,所述投料漏斗的一侧内壁上对应主动轴与从动轴开设有转动孔,所述主动轴与从动轴的一侧外壁上固定连接有第一齿轮,且第一齿轮的一侧相互啮合,所述主动轴与从动轴位于投料漏斗内部的外壁上固定连接有螺纹破碎轮;
所述移动组件包括滑槽、转动槽、第二电机、转动轴、第二齿轮、齿带、第三齿轮、滑轨和齿条,所述底座的底端外部固定安装有滑轨,所述底座的底端内壁上对应滑轨开设有滑槽,所述滑槽之间的内壁上开设有转动槽,所述转动槽的顶端内壁上对称转动连接有转动轴,所述转动槽的顶端内壁上镶嵌安装有第二电机,且第二电机的输出轴一端固接于转动轴的外壁上,所述转动轴的底端外壁上固定连接有第三齿轮,所述滑轨的一侧外壁上焊接固定有齿条,且齿条的一侧与第三齿轮的一侧外壁上啮合连接,所述转动轴位于第三齿轮上方的外壁上固定连接有第二齿轮,所述第二齿轮之间的外壁上啮合连接有齿带。
作为本发明再进一步的方案:所述步骤四中,先将一个曲面主要挤出时成型,然后将另一曲面则可将刚切断挤得产品放至对应双曲面托模上再轻压上模即可。
作为本发明再进一步的方案:所述步骤五中,烘干低温干燥后,进入石墨电阻炉按设定升温曲线升温、脱脂、烧结、冷却,最终得产品。
作为本发明再进一步的方案:所述B4C粉体全为D50:0.5µ,比表面积>15m2/g的亚微米超细粉。
作为本发明再进一步的方案:所述粘结剂、增塑剂、润滑剂与分散剂分别为0.5-10%水溶性酚醛树脂、0.1-1%聚乙烯醇、0.5-5%羟甲基纤维素、0.5-5%黄糊精、0.1-1%丙烯酸盐、桐油与甘油其中多种复配,并可添加少量有机溶剂如醇类。
作为本发明再进一步的方案:所述第二电机为一种正反转电机。
与现有技术相比,本发明所达到的有益效果是:该碳化硼防弹陶瓷插板的生产工艺及配方,因粉体超细后本身粘性增加,添加少量有机外加剂即能塑性成型;而超细粉因表面积剧增,喷雾造粒采用压制工艺,即使大幅增加压力也难以将素坯压至要求密度,经试验同样配方,挤压成型素坯经干燥后比等静压成型高5%左右;所以尽管本工艺采用炼泥、挤制传统陶瓷成型工艺,但选用超细粉体后采用此工艺,则充分发挥优势,且各点一致性好;解决干压成型时装填料不均匀会造成板各点性能不匀;本工艺简单易操作;还采用双曲面防弹插板成型采用双曲面托模,用上磨轻压即可塑性成型,并同时可压出表面毛糙感,利于后期陶瓷板复合粘接高密度PE板。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。在附图中:
图1是本发明的工艺流程图;
图2是本发明的整体立体结构示意图;
图3是本发明图2中A区域的结构放大图;
图4是本发明的主视剖切结构示意图;
图5是本发明图4中B区域的结构放大图;
图中:1、练泥机主体;2、投料漏斗;3、破碎组件;4、底座;5、移动组件;31、第一电机;32、主动轴;33、从动轴;34、第一齿轮;35、转动孔;36、螺纹破碎轮;51、滑槽;52、转动槽;53、第二电机;54、转动轴;55、第二齿轮;56、齿带;57、第三齿轮;58、滑轨;59、齿条。
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。
请参阅图1-5,本发明提供一种技术方案:一种碳化硼防弹陶瓷插板的生产工艺,包括以下步骤:步骤一,原料混合;步骤二,泥段炼制;步骤三,真空精炼;步骤四,插板成型;步骤五,坯体烘干;步骤六,真空脱脂;
其中在上述步骤一中,将工厂自制的超细低杂质B4C粉加入数种配方辅料,在V型混料机干法混合,再将混合干料过高速粉碎机进一步相互分散混均;再将上述充分打散混均的干粉加入捏入机并按比例加入含有塑化剂、分散剂、粘结剂的水,捏合一定时间出料;
其中在上述步骤二中,出料后,将此料加入炼泥机进行多次循环炼制泥段,将泥段塑封防止水分流失陈腐数天,使泥段中各组份及水份更均匀,步骤二中,练泥机包括练泥机主体1、投料漏斗2、破碎组件3、底座4和移动组件5,练泥机主体1的顶端外壁上贯通连接有投料漏斗2,投料漏斗2的一侧内壁上固定有破碎组件3,练泥机主体1的底端外壁上焊接固定有底座4,底座4的底端内壁上固定有移动组件5;破碎组件3包括第一电机31、主动轴32、从动轴33、第一齿轮34、转动孔35和螺纹破碎轮36,练泥机主体1的顶端内壁上镶嵌安装有第一电机31,投料漏斗2的一侧内壁上转动连接有主动轴32,且第一电机31的输出轴一端固接于主动轴32的一端外壁上,练泥机主体1与投料漏斗2之间的内壁上对称转动连接有从动轴33,投料漏斗2的一侧内壁上对应主动轴32与从动轴33开设有转动孔35,主动轴32与从动轴33的一侧外壁上固定连接有第一齿轮34,且第一齿轮34的一侧相互啮合,主动轴32与从动轴33位于投料漏斗2内部的外壁上固定连接有螺纹破碎轮36;移动组件5包括滑槽51、转动槽52、第二电机53、转动轴54、第二齿轮55、齿带56、第三齿轮57、滑轨58和齿条59,底座4的底端外部固定安装有滑轨58,底座4的底端内壁上对应滑轨58开设有滑槽51,滑槽51之间的内壁上开设有转动槽52,转动槽52的顶端内壁上对称转动连接有转动轴54,转动槽52的顶端内壁上镶嵌安装有第二电机53,且第二电机53的输出轴一端固接于转动轴54的外壁上,转动轴54的底端外壁上固定连接有第三齿轮57,滑轨58的一侧外壁上焊接固定有齿条59,且齿条59的一侧与第三齿轮57的一侧外壁上啮合连接,转动轴54位于第三齿轮57上方的外壁上固定连接有第二齿轮55,第二齿轮55之间的外壁上啮合连接有齿带56;第二电机53为一种正反转电机,使转动轴54进行正反转运动;该练泥机在工作时,首先将混合的泥段投入投料漏斗2内部,此时启动第一电机31使主动轴32进行转动,然后通过第一齿轮34的作用下,使两个从动轴33沿着转动轴54进行转动,这样使得螺纹破碎轮36进行转动,从而较硬的泥段进行破碎处理,然后在练泥结束后,启动转动槽52内的第二电机53使转动轴54进行转动,然后通过第二齿轮55与齿带56的配合下,使第三齿轮57进行转动,然后通过齿条59的作用下,使底座4上的滑槽51沿着滑轨58进行移动到指定位置,然后将练好的泥段进行排出;
其中在上述步骤三中,然后将泥段进行多次真空精炼;然后将炼得的合格泥段加入挤管机;按产品尺寸挤得所需长度所需厚度,所需截面弧形的产品并切断;
其中在上述步骤四中,然后采用塑法成型工艺,即将主辅材料添加特定塑化剂、分散剂、粘结剂等,以传统的练泥、挤压工艺,挤压成要求形状,切割、整形、制得毛坯,步骤四中,先将一个曲面主要挤出时成型,然后将另一曲面则可将刚切断挤得产品放至对应双曲面托模上再轻压上模即可;
其中在上述步骤五中,然后将坯体连同托模放入烘房,慢速按要求工艺烘干,步骤五中,烘干低温干燥后,进入石墨电阻炉按设定升温曲线升温、脱脂、烧结、冷却,最终得产品;
其中在上述步骤六中,烘干后的毛坯因有粘结剂存在强度较好,按要求每片放在同样双曲面石墨托架上再放入电炉进行无压烧结工艺;抽真空到按升温曲线脱脂、充Ar气;然后升温直至高温2100℃,然后保温2hr,最后自然冷却即可。
一种碳化硼防弹陶瓷插板的配方,配方包括:超细碳化硼、二硼化钛、碳化钛、碳纳米管、石墨烯、碳素、氧化钇,各组分的重量份数分别是:57-98.1%超细碳化硼、1-20%二硼化钛、0.5-10%碳化钛、0.1-3%碳纳米管、0.1-3%石墨烯、0.1-5%碳素、0.1-2%氧化钇;
B4C粉体全为D50:0.5µ,比表面积>15m2/g的亚微米超细粉;
粘结剂、增塑剂、润滑剂与分散剂分别为0.5-10%水溶性酚醛树脂、0.1-1%聚乙烯醇、0.5-5%羟甲基纤维素、0.5-5%黄糊精、0.1-1%丙烯酸盐、桐油与甘油其中多种复配,并可添加少量有机溶剂如醇类。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”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。
最后应说明的是: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,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。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 (8)
1.一种碳化硼防弹陶瓷插板的生产工艺,包括以下步骤:步骤一,原料混合;步骤二,泥段炼制;步骤三,真空精炼;步骤四,插板成型;步骤五,坯体烘干;步骤六,真空脱脂;其特征在于:
其中在上述步骤一中,将工厂自制的超细低杂质B4C粉加入数种配方辅料,在V型混料机干法混合,再将混合干料过高速粉碎机进一步相互分散混均;再将上述充分打散混均的干粉加入捏入机并按比例加入含有塑化剂、分散剂、粘结剂的水,捏合一定时间出料;
其中在上述步骤二中,出料后,将此料加入炼泥机进行多次循环炼制泥段,将泥段塑封防止水分流失陈腐数天,使泥段中各组份及水份更均匀;
其中在上述步骤三中,然后将泥段进行多次真空精炼;然后将炼得的合格泥段加入挤管机;按产品尺寸挤得所需长度所需厚度,所需截面弧形的产品并切断;
其中在上述步骤四中,然后采用塑法成型工艺,即将主辅材料添加特定塑化剂、分散剂、粘结剂等,以传统的练泥、挤压工艺,挤压成要求形状,切割、整形、制得毛坯;
其中在上述步骤五中,然后将坯体连同托模放入烘房,慢速按要求工艺烘干;
其中在上述步骤六中,烘干后的毛坯因有粘结剂存在强度较好,按要求每片放在同样双曲面石墨托架上再放入电炉进行无压烧结工艺;抽真空到按升温曲线脱脂、充Ar气;然后升温直至高温2100℃,然后保温2hr,最后自然冷却即可。
2.一种碳化硼防弹陶瓷插板的配方,其特征在于:配方包括:超细碳化硼、二硼化钛、碳化钛、碳纳米管、石墨烯、碳素、氧化钇,各组分的重量份数分别是:57-98.1%超细碳化硼、1-20%二硼化钛、0.5-10%碳化钛、0.1-3%碳纳米管、0.1-3%石墨烯、0.1-5%碳素、0.1-2%氧化钇。
3.根据权利要求1所述的一种碳化硼防弹陶瓷插板的生产工艺,其特征在于:所述步骤二中,练泥机包括练泥机主体(1)、投料漏斗(2)、破碎组件(3)、底座(4)、移动组件(5)、第一电机(31)、主动轴(32)、从动轴(33)、第一齿轮(34)、转动孔(35)、螺纹破碎轮(36)、滑槽(51)、转动槽(52)、第二电机(53)、转动轴(54)、第二齿轮(55)、齿带(56)、第三齿轮(57)、滑轨(58)、齿条(59),所述练泥机主体(1)的顶端外壁上贯通连接有投料漏斗(2),所述投料漏斗(2)的一侧内壁上固定有破碎组件(3),所述练泥机主体(1)的底端外壁上焊接固定有底座(4),所述底座(4)的底端内壁上固定有移动组件(5);
所述破碎组件(3)包括第一电机(31)、主动轴(32)、从动轴(33)、第一齿轮(34)、转动孔(35)和螺纹破碎轮(36),所述练泥机主体(1)的顶端内壁上镶嵌安装有第一电机(31),所述投料漏斗(2)的一侧内壁上转动连接有主动轴(32),且第一电机(31)的输出轴一端固接于主动轴(32)的一端外壁上,所述练泥机主体(1)与投料漏斗(2)之间的内壁上对称转动连接有从动轴(33),所述投料漏斗(2)的一侧内壁上对应主动轴(32)与从动轴(33)开设有转动孔(35),所述主动轴(32)与从动轴(33)的一侧外壁上固定连接有第一齿轮(34),且第一齿轮(34)的一侧相互啮合,所述主动轴(32)与从动轴(33)位于投料漏斗(2)内部的外壁上固定连接有螺纹破碎轮(36);
所述移动组件(5)包括滑槽(51)、转动槽(52)、第二电机(53)、转动轴(54)、第二齿轮(55)、齿带(56)、第三齿轮(57)、滑轨(58)和齿条(59),所述底座(4)的底端外部固定安装有滑轨(58),所述底座(4)的底端内壁上对应滑轨(58)开设有滑槽(51),所述滑槽(51)之间的内壁上开设有转动槽(52),所述转动槽(52)的顶端内壁上对称转动连接有转动轴(54),所述转动槽(52)的顶端内壁上镶嵌安装有第二电机(53),且第二电机(53)的输出轴一端固接于转动轴(54)的外壁上,所述转动轴(54)的底端外壁上固定连接有第三齿轮(57),所述滑轨(58)的一侧外壁上焊接固定有齿条(59),且齿条(59)的一侧与第三齿轮(57)的一侧外壁上啮合连接,所述转动轴(54)位于第三齿轮(57)上方的外壁上固定连接有第二齿轮(55),所述第二齿轮(55)之间的外壁上啮合连接有齿带(56)。
4.根据权利要求1所述的一种碳化硼防弹陶瓷插板的生产工艺,其特征在于:所述步骤四中,先将一个曲面主要挤出时成型,然后将另一曲面则可将刚切断挤得产品放至对应双曲面托模上再轻压上模即可。
5.根据权利要求1所述的一种碳化硼防弹陶瓷插板的生产工艺,其特征在于:所述步骤五中,烘干低温干燥后,进入石墨电阻炉按设定升温曲线升温、脱脂、烧结、冷却,最终得产品。
6.根据权利要求2所述的一种碳化硼防弹陶瓷插板的配方,其特征在于:所述B4C粉体全为D50:0.5µ,比表面积>15m2/g的亚微米超细粉。
7.根据权利要求2所述的一种碳化硼防弹陶瓷插板的配方,其特征在于:所述粘结剂、增塑剂、润滑剂与分散剂分别为0.5-10%水溶性酚醛树脂、0.1-1%聚乙烯醇、0.5-5%羟甲基纤维素、0.5-5%黄糊精、0.1-1%丙烯酸盐、桐油与甘油其中多种复配,并可添加少量有机溶剂如醇类。
8.根据权利要求3所述的一种碳化硼防弹陶瓷插板的生产工艺,其特征在于:所述第二电机(53)为一种正反转电机。
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