CN116590081B - 缸套生产脱模用脱模剂 - Google Patents
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Abstract
本发明公开了缸套生产脱模用脱模剂,属于脱模剂技术领域,包括如下重量份原料:固体石蜡26‑30份、研磨液15‑18份、液体石蜡12‑15份、硫化镍粉末5‑6份、乳化剂3‑4份、水50‑65份。本发明的脱模剂组分中含有α‑Al203,具有高硬度的特点,在涂刷钢模后利用两者间的摩擦力将钢模粗糙表面进行打磨,同时固体石蜡乳化后为流动性较好的乳状液,在粒子研磨钢模后对细微的缝隙及凹陷处进行填平,形成一层蜡膜,从而起到降低钢模表面粗糙度的作用;因此,脱模剂可有效降低钢模板的粗糙度。另外,脱模剂在钢模表面形成的蜡膜,质地较硬,加上有润滑作用较强的液体石蜡作用,可以有效隔离钢模与缸套,从而使得缸套易于脱模。
Description
技术领域
本发明属于脱模剂技术领域,具体地,涉及一种缸套生产脱模用脱模剂。
背景技术
缸套就是气缸套的简称,它镶在缸体的缸筒内,与活塞和缸盖共同组成燃烧室。缸套分为干缸套和湿缸套两大类。背面不接触冷却水的气缸套叫干缸套,背面和冷却水接触的气缸套是湿缸套。干缸套厚度较薄、结构简单、加工方便。湿缸套直接接触冷却水,所以有利于发动机的冷却,有利于发动机的小型轻量化。脱模剂的作用就是在缸套模内表面形成浆料保护层,保证铁块与铁模不发生粘结,起到保证浇铸的连续进行及设备的完好。
经专利检索,已有脱模剂的专利技术公开。如:中国专利号200810014478.4,申请日:2008年3月17日,发明创造名称为:一种铸铁机用脱模剂及其制作方法,该申请案涉及一种铸铁机用脱模剂及其制作方法,其脱模剂的组分以及含量为:高炉布袋除尘灰80-120份;生石灰3-7份;水1000-1500份。其制作方法步骤为:根据组分的分数含量配备好各组分,先把备好的高炉布袋除尘灰和生石灰混合后,混入备好份数的水混合均匀即成脱模剂成品,最后由高压水泵抽入至喷涂管均匀喷涂至铸铁模内表面。该申请案将高炉布袋除尘灰作为脱模剂使用,使得高炉布袋除尘灰被有效利用,降低了钢铁企业的生产成本,但是其脱模剂的脱模性能有待进一步提高。
发明内容
本发明的目的在于克服现有技术的缺陷,提供了缸套生产脱模用脱模剂。
本发明的脱模剂组分中含有α-Al203,具有高硬度、稳定性好的特点,硬度比钢模板大,在涂刷钢模后利用两者间的摩擦力将钢模粗糙表面进行打磨,同时固体石蜡乳化后为流动性较好的乳状液,在粒子研磨钢模后对细微的缝隙及凹陷处进行填平,形成一层蜡膜,从而起到降低钢模表面粗糙度的作用;因此,脱模剂可有效降低钢模板的粗糙度。
另外,脱模剂在钢模表面形成的蜡膜,质地较硬,加上有润滑作用较强的液体石蜡作用,可以有效隔离钢模与缸套,从而使得缸套易于脱模。
本发明的目的可以通过以下技术方案实现:
缸套生产脱模用脱模剂,包括如下重量份原料:固体石蜡26-30份、研磨液15-18份、液体石蜡12-15份、硫化镍粉末5-6份、乳化剂3-4份、水50-65份。
进一步地,所述乳化剂为司盘80与石蜡乳化剂按照1:1的质量比复配而成。
进一步地,所述研磨液通过如下步骤制备:
将六偏磷酸钠溶解于去离子水中,机械搅拌下加入α-Al203,超声分散2h,随后加入过硫酸铵和硫脲搅拌均匀,用硝酸调节pH值至3-4,得到研磨液。
进一步地,所述六偏磷酸钠、去离子水、α-Al203、过硫酸铵和硫脲的用量之比为0.5g:100mL:2g:1g:0.2g。
所述脱模剂的制备方法,包括如下步骤:
将固体石蜡、研磨液、液体石蜡、硫化镍粉末、乳化剂和水在95-100℃条件下加热搅拌,搅拌过程中通入氮气进行保护,搅拌10-15分钟后降温至室温,然后用高剪切均质乳化机在1000-3000r/min的条件下,乳化2-3h即可获得所述脱模剂。
本发明的有益效果:
由于脱模剂组分中含有的α-Al203,具有高硬度、稳定性好的特点,硬度比钢模板大,在涂刷钢模后利用两者间的摩擦力将钢模粗糙表面进行打磨,同时固体石蜡乳化后为流动性较好的乳状液,在粒子研磨钢模后对细微的缝隙及凹陷处进行填平,形成一层蜡膜,从而起到降低钢模表面粗糙度的作用;因此,脱模剂可有效降低钢模板的粗糙度。
另外,脱模剂在钢模表面形成的蜡膜,质地较硬,加上有润滑作用较强的液体石蜡作用,可以有效隔离钢模与缸套,从而使得缸套易于脱模。
具体实施方式
下面将结合本发明实施例,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作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
制备研磨液:
将0.5g六偏磷酸钠溶解于100mL去离子水中,机械搅拌下加入2g的α-Al203,超声分散2h,随后加入1g过硫酸铵和0.2g硫脲搅拌均匀,用硝酸调节pH值至3,得到研磨液。
实施例2
制备研磨液:
将1g六偏磷酸钠溶解于200mL去离子水中,机械搅拌下加入4g的α-Al203,超声分散2h,随后加入2g过硫酸铵和0.4g硫脲搅拌均匀,用硝酸调节pH值至4,得到研磨液。
实施例3
缸套生产脱模用脱模剂,包括如下重量份原料:固体石蜡26份、实施例1制得的研磨液15份、液体石蜡12份、硫化镍粉末5份、乳化剂3份、水50份;所述乳化剂为司盘80与石蜡乳化剂按照1:1的质量比复配而成;
将固体石蜡、研磨液、液体石蜡、硫化镍粉末、乳化剂和水在95℃条件下加热搅拌,搅拌过程中通入氮气进行保护,搅拌10分钟后降温至室温,然后用高剪切均质乳化机在1000r/min的条件下,乳化2h即可获得所述脱模剂。
实施例4
缸套生产脱模用脱模剂,包括如下重量份原料:固体石蜡28份、实施例2制得的研磨液16.5份、液体石蜡13.5份、硫化镍粉末5.5份、乳化剂3.5份、水58份;所述乳化剂为司盘80与石蜡乳化剂按照1:1的质量比复配而成;
将固体石蜡、研磨液、液体石蜡、硫化镍粉末、乳化剂和水在98℃条件下加热搅拌,搅拌过程中通入氮气进行保护,搅拌12分钟后降温至室温,然后用高剪切均质乳化机在2000r/min的条件下,乳化2.5h即可获得所述脱模剂。
实施例5
缸套生产脱模用脱模剂,包括如下重量份原料:固体石蜡30份、实施例1制得的研磨液18份、液体石蜡15份、硫化镍粉末6份、乳化剂4份、水65份;所述乳化剂为司盘80与石蜡乳化剂按照1:1的质量比复配而成;
将固体石蜡、研磨液、液体石蜡、硫化镍粉末、乳化剂和水在100℃条件下加热搅拌,搅拌过程中通入氮气进行保护,搅拌15分钟后降温至室温,然后用高剪切均质乳化机在3000r/min的条件下,乳化3h即可获得所述脱模剂。
在说明书的描述中,参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上内容仅仅是对本发明所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (3)
1.缸套生产脱模用脱模剂,其特征在于,包括如下重量份原料:固体石蜡26-30份、研磨液15-18份、液体石蜡12-15份、硫化镍粉末5-6份、乳化剂3-4份、水50-65份;
所述乳化剂为司盘80与石蜡乳化剂按照1:1的质量比复配而成;
所述研磨液通过如下步骤制备:
将六偏磷酸钠溶解于去离子水中,机械搅拌下加入α-Al203,超声分散2h,随后加入过硫酸铵和硫脲搅拌均匀,用硝酸调节pH值至3-4,得到研磨液。
2.根据权利要求1所述的缸套生产脱模用脱模剂,其特征在于,所述六偏磷酸钠、去离子水、α-Al203、过硫酸铵和硫脲的用量之比为0.5g:100mL:2g:1g:0.2g。
3.根据权利要求1所述的缸套生产脱模用脱模剂,其特征在于,所述脱模剂的制备方法,包括如下步骤:
将固体石蜡、研磨液、液体石蜡、硫化镍粉末、乳化剂和水在95-100℃条件下加热搅拌,搅拌过程中通入氮气进行保护,搅拌10-15分钟后降温至室温,然后用高剪切均质乳化机在1000-3000r/min的条件下,乳化2-3h即可获得所述脱模剂。
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