CN108916633A - 一种自润滑承轴低粘度润滑剂填充方法 - Google Patents

一种自润滑承轴低粘度润滑剂填充方法 Download PDF

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CN108916633A
CN108916633A CN201810880855.6A CN201810880855A CN108916633A CN 108916633 A CN108916633 A CN 108916633A CN 201810880855 A CN201810880855 A CN 201810880855A CN 108916633 A CN108916633 A CN 108916633A
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肖尚龙
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Wuhu Longxing Alloy Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N15/00Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04Elements
    • C10M2201/041Carbon; Graphite; Carbon black
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/18Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras
    • C10M2205/183Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2211/00Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/06Perfluorinated compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00Form in which the lubricant is applied to the material being lubricated
    • C10N2050/08Solids

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  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明公开了一种自润滑承轴低粘度润滑剂填充方法,包括将固体润滑剂均匀分散在挥发性分散剂中制得流动性润滑剂;通过自身液压使流动性润滑剂注入润滑剂装填柱的轴向输送通道中;将自润滑轴承套装在润滑剂装填柱上,使自润滑轴承的孔穴对齐润滑剂装填槽,轴向输送通道中的流动性润滑剂分布在润滑剂装填槽中,从而装填到自润滑轴承的孔穴中;将孔穴中填装满流动性润滑剂的自润滑轴承从润滑剂装填柱上取下并套装在轴承静置柱上静置,直至孔穴中的流动性润滑剂中的挥发性分散剂挥发掉。本发明适用于机械作业将特定组分的固体润滑剂以高黏度分散系的状态填装到轴承的孔穴中。

Description

一种自润滑承轴低粘度润滑剂填充方法
技术领域
本发明涉及一种自润滑轴承加工工艺技术领域,特别是一种自润滑承轴低粘度润滑剂填充方法。
背景技术
常规轴承在使用过程中会存在不同程度的磨损和转动阻力增大的情况,因此常规轴承在使用过程中需要定期地对轴承进行维护作业并补充润滑油;随着技术水平地发展,维护频率较低甚至是无需维护的自润滑轴承越来越多地取代了传统轴承。
中国专利文献CN 106763159 A记载的一种基于固体润滑剂的锌基合金轴承,是本发明申请人早前提供的一种具有较好的抗水性的自润滑轴承,其中记载了一种固体润滑剂,包括以下质量百分数的组分:石墨41.0~43.0%、二硫化钼1.7~1.9%、钙钠基润滑脂7.5~10.0%、和余量的黏度指数为115~125的高密度矿物基础油。现有技术中,上述固体润滑剂主要通过手工方式填充到轴承的孔穴中,上述作业方式生产效率低、劳动强度大,而且不便于控制固体润滑剂在每一个孔穴中的填充紧实度和填充量。
发明内容
为了克服现有技术的不足,本发明提供了一种自润滑承轴低粘度润滑剂填充方法,适用于机械作业将特定组分的固体润滑剂以低黏度分散系的状态填装到轴承的孔穴中。
本发明解决其技术问题所采用的技术方案是:
一种自润滑承轴低粘度润滑剂填充方法,包括以下步骤:
S1、将固体润滑剂均匀分散在挥发性分散剂中制得流动性润滑剂;
S2、将流动性润滑剂填装到润滑剂储料罐中,通过流动性润滑剂的自身液压,使流动性润滑剂注入润滑剂装填柱的轴向输送通道中,润滑剂装填柱的直径与自润滑轴承的内径相等,自润滑轴承的孔穴朝向轴线的一端开口,另一端封闭;
S3、将自润滑轴承套装在润滑剂装填柱上,润滑剂装填柱外侧同轴设置有圆环形的润滑剂装填槽,润滑剂装填槽通过润滑剂装填柱的径向输送通道连通轴向输送通道,使自润滑轴承的孔穴对齐润滑剂装填槽,轴向输送通道中的流动性润滑剂分布在润滑剂装填槽中,从而装填到自润滑轴承的孔穴中;
S4、将孔穴中填装满流动性润滑剂的自润滑轴承从润滑剂装填柱上取下并套装在轴承静置柱上,轴承静置柱的直径与自润滑轴承的内径相等,通过轴承静置柱的侧壁封堵住自润滑轴承孔穴的开口端;
S5、将套装有自润滑轴承的轴承静置柱置于真空箱中抽真空,使自润滑轴承孔穴中的流动性润滑剂中的挥发性分散剂快速挥发,然后真空箱恢复常压,将自润滑轴承从轴承静置柱上取下。
作为上述技术方案的进一步改进,步骤S1中,固体润滑剂包括以下质量百分比的组分:
石墨41.0~43.0%、二硫化钼1.7~1.9%、钙钠基润滑脂7.5~10.0%、和余量的黏度指数为115~125的矿物基础油;所述石墨和所述二硫化钼的粒径均小于等于50微米;
挥发性分散剂为质量百分数大于等于99%的乙醇,且固体润滑剂和挥发性分散剂的质量比为1:(0.4~0.6)。
作为上述技术方案的进一步改进,步骤S4中,轴承静置柱中设置有轴向挥发通道和径向挥发通道,轴承静置柱的外侧同轴设置有环形的分散剂挥发槽,分散剂挥发槽中设置有透气玻纤毡,将自润滑轴承孔穴的开口端对齐透气玻纤毡;径向挥发通道一端连通分散剂挥发槽,另一端连通轴向挥发通道;轴向挥发通道的两端连通外界大气。
与现有技术相比较,本发明的有益效果是:
本发明所提供的一种自润滑承轴低粘度润滑剂填充方法,通过将固体润滑剂均匀分散在挥发性分散剂乙醇中,从而可以使固体润滑剂具有较好的流动性,可以通过管路挤压输送并填装到轴承的孔穴中,然后将乙醇挥发掉即可使固体润滑剂原组分正常发挥润滑作用。
且本发明针对特定配比的固体润滑剂分散系粘度较低的特点,优化固体润滑剂挤压输送方法,减少能耗且压力可控,特别适用于填装粘度较低的固体润滑剂分散系,并通过真空箱加速乙醇的挥发,可以减少固体润滑剂流失,填装的固体润滑剂紧实度较低。
具体实施方式
下面将结合具体的实施例来进一步详细说明本发明的技术内容。
本实施例所提供的一种自润滑承轴低粘度润滑剂填充方法,包括以下步骤:
S1、将固体润滑剂均匀分散在挥发性分散剂中制得流动性润滑剂;
固体润滑剂包括以下质量百分比的组分:
石墨41.0~43.0%、二硫化钼1.7~1.9%、钙钠基润滑脂7.5~10.0%、和余量的黏度指数为115~125的矿物基础油;所述石墨和所述二硫化钼的粒径均小于等于50微米;
挥发性分散剂为质量百分数大于等于99%的乙醇,且固体润滑剂和挥发性分散剂的质量比为1:(0.4~0.6)。
S2、将流动性润滑剂填装到润滑剂储料罐中,通过流动性润滑剂的自身液压,使流动性润滑剂注入润滑剂装填柱的轴向输送通道中,润滑剂装填柱的直径与自润滑轴承的内径相等,自润滑轴承的孔穴朝向轴线的一端开口,另一端封闭。
S3、将自润滑轴承套装在润滑剂装填柱上,润滑剂装填柱外侧同轴设置有圆环形的润滑剂装填槽,润滑剂装填槽通过润滑剂装填柱的径向输送通道连通轴向输送通道,使自润滑轴承的孔穴对齐润滑剂装填槽,轴向输送通道中的流动性润滑剂分布在润滑剂装填槽中,从而装填到自润滑轴承的孔穴中。
S4、将孔穴中填装满流动性润滑剂的自润滑轴承从润滑剂装填柱上取下并套装在轴承静置柱上,轴承静置柱的直径与自润滑轴承的内径相等,通过轴承静置柱的侧壁封堵住自润滑轴承孔穴的开口端;
轴承静置柱中设置有轴向挥发通道和径向挥发通道,轴承静置柱的外侧同轴设置有环形的分散剂挥发槽,分散剂挥发槽中设置有透气玻纤毡,将自润滑轴承孔穴的开口端对齐透气玻纤毡;径向挥发通道一端连通分散剂挥发槽,另一端连通轴向挥发通道;轴向挥发通道的两端连通外界大气。
S5、将套装有自润滑轴承的轴承静置柱置于真空箱中抽真空,使自润滑轴承孔穴中的流动性润滑剂中的挥发性分散剂快速挥发,然后真空箱恢复常压,将自润滑轴承从轴承静置柱上取下。
上述实施例中的流动性润滑剂,粘度系数在30000 cP~70000 cP之间,流动性较好,只要需要通过流动性润滑剂的自身液压即可填装到自润滑轴承的孔穴中,不过流动性润滑剂含有的挥发性分散剂也较多,因此流动性润滑剂容易从自润滑轴承的孔穴中流失,且挥发性分散剂挥发较为费时,特别适用上述工艺。
以上对本发明的较佳实施方式进行了具体说明,当然,本发明还可以采用与上述实施方式不同的形式,熟悉本领域的技术人员在不违背本发明精神的前提下所作的等同的变换或相应的改动,都应该属于本发明的保护范围内。

Claims (3)

1.一种自润滑承轴低粘度润滑剂填充方法,其特征在于,包括以下步骤:
S1、将固体润滑剂均匀分散在挥发性分散剂中制得流动性润滑剂;
S2、将流动性润滑剂填装到润滑剂储料罐中,通过流动性润滑剂的自身液压,使流动性润滑剂注入润滑剂装填柱的轴向输送通道中,润滑剂装填柱的直径与自润滑轴承的内径相等,自润滑轴承的孔穴朝向轴线的一端开口,另一端封闭;
S3、将自润滑轴承套装在润滑剂装填柱上,润滑剂装填柱外侧同轴设置有圆环形的润滑剂装填槽,润滑剂装填槽通过润滑剂装填柱的径向输送通道连通轴向输送通道,使自润滑轴承的孔穴对齐润滑剂装填槽,轴向输送通道中的流动性润滑剂分布在润滑剂装填槽中,从而装填到自润滑轴承的孔穴中;
S4、将孔穴中填装满流动性润滑剂的自润滑轴承从润滑剂装填柱上取下并套装在轴承静置柱上,轴承静置柱的直径与自润滑轴承的内径相等,通过轴承静置柱的侧壁封堵住自润滑轴承孔穴的开口端;
S5、将套装有自润滑轴承的轴承静置柱置于真空箱中抽真空,使自润滑轴承孔穴中的流动性润滑剂中的挥发性分散剂快速挥发,然后真空箱恢复常压,将自润滑轴承从轴承静置柱上取下。
2.根据权利要求1所述的一种自润滑承轴低粘度润滑剂填充方法,其特征在于,步骤S1中,固体润滑剂包括以下质量百分比的组分:
石墨41.0~43.0%、二硫化钼1.7~1.9%、钙钠基润滑脂7.5~10.0%、和余量的黏度指数为115~125的矿物基础油;所述石墨和所述二硫化钼的粒径均小于等于50微米;
挥发性分散剂为质量百分数大于等于99%的乙醇,且固体润滑剂和挥发性分散剂的质量比为1:(0.4~0.6)。
3.根据权利要求1所述的一种自润滑承轴低粘度润滑剂填充方法,其特征在于,步骤S4中,轴承静置柱中设置有轴向挥发通道和径向挥发通道,轴承静置柱的外侧同轴设置有环形的分散剂挥发槽,分散剂挥发槽中设置有透气玻纤毡,将自润滑轴承孔穴的开口端对齐透气玻纤毡;径向挥发通道一端连通分散剂挥发槽,另一端连通轴向挥发通道;轴向挥发通道的两端连通外界大气。
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