CN109468578A - 一种汽车模具成型及表面强化处理工艺 - Google Patents

一种汽车模具成型及表面强化处理工艺 Download PDF

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CN109468578A
CN109468578A CN201811578603.4A CN201811578603A CN109468578A CN 109468578 A CN109468578 A CN 109468578A CN 201811578603 A CN201811578603 A CN 201811578603A CN 109468578 A CN109468578 A CN 109468578A
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die
mold
automobile die
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蔡胜军
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Yancheng Boshi Automobile Mould Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20Carburising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • C21D1/28Normalising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions

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Abstract

本发明提供了一种汽车模具成型工艺,包括以下步骤,对料带、设计料带的情况进行了解;确定正确的压铸参数;修整模具;进行试模;根据试模的效果进行局部调整,试模完成后根据试模的效果对模具进行局部上的调整;对模具进行压铸成型;模具成型后,清理模具。同时提供了一种汽车模具表面强化处理工艺,包括以下步骤:汽车模具表面清洗;汽车模具表面预处理;汽车模具常温冷却至常温;渗碳;汽车模具表面的镀膜。本发明通过汽车模具表面的镀膜:在汽车模具的表面镀上一层抗刮涂层,烘干抗刮涂层,得到处理后的汽车模具,抗刮涂层的加入,进一步提高汽车模具的抗刮能力,本发明设计巧妙,方法合理,表面强化效果好,适合推广。

Description

一种汽车模具成型及表面强化处理工艺
技术领域
本发明涉及汽车模具领域,特别是涉及一种汽车模具成型及表面强化处理工艺。
背景技术
汽车模具的成型方法是一种用于汽车的零件在模具内成型的方法,现有的方法成型后零件质量不高,经常容易有瑕疵,且也不注意对模具的维修,从而大量损耗模具。
模具作为精密加工设备,在不断的加工时,尤其是冲压模具,在不断的高压冲击下,表面容易形成刮痕,刮痕容易对加工件造成影响,为此,本发明提出汽车模具表面强化处理方法。
发明内容
基于此,有必要提供一种汽车模具成型及表面强化处理工艺,以解决上述问题。
一种汽车模具成型工艺,其包括以下使用步骤:
(1)对料带、设计料带的情况进行了解,了解零件的公差要求,材料性能、冲床吨位、冲床台面、每分钟冲次、送料方向、送料高度、模厚要求、材料利用率、模具使用寿命;
(2)确定正确的压铸参数,根据客户提供的材料与设计好的料带,对模具进行参数设置;
(3)修整模具,根据压铸的参数需要对模具进行检查与修整;
(4)进行试模,根据设定好的参数与修整好的模具进行试模;
(5)根据试模的效果进行局部调整,试模完成后根据试模的效果对模具进行局部上的调整;
(6)对模具进行压铸成型,将原料加入预热的模具内,然后向压柱施加压力,原料在高温高压下熔融,并通过模具的浇注***进入型腔,逐渐硬化成型;
(7)清理模具,模具成型后,待零件冷却,将零件从模具内拿出,然后对模具进行清理。
一种汽车模具表面强化处理工艺,包括以下步骤:
(1)汽车模具表面清洗:为了去除油渍,先用浓度为2.0~3.0%碳酸钠碱液清洗汽车模具15~25min,清洗时温度为80~85℃;然后为了去除氧化皮在浓度为4.2~5.0%稀硫酸中清洗20~25min;再将汽车模具先后放入丙酮溶液、乙醇溶液和去离子水中超声40~45min,以提高汽车模具表面活性,吹干待用;
(2)汽车模具表面预处理:将(1)中的汽车模具放入正火炉内进行正火处理,650~750℃下保温1~2小时左右;取出后再进行淬火处理,送入热处理炉中加热到550~650℃,并保温1~2小时;然后,用淬火油冷却,将淬火后的零件送入回火炉中加热到700~800℃下进行高温回火处理,保温1~2小时,再在125~135℃进行低温回火,保温4~5小时;
(3)汽车模具常温冷却至常温;
(4)渗碳:汽车模具在渗碳炉中,在气态的渗碳介质中加热到900~980℃,保温处理3~4小时,冷却至120℃,保温15~20小时,然后冷却到室温;
(5)汽车模具表面的镀膜:在汽车模具的表面镀上一层抗刮涂层,烘干抗刮涂层,得到处理后的汽车模具。
本发明的有益效果是:通过汽车模具在渗碳炉中,在气态的渗碳介质中加热到900~980℃,保温处理3~4小时,冷却至120℃,保温15~20小时,然后冷却到室温,可以提高汽车模具的强度,通过汽车模具表面的镀膜:在汽车模具的表面镀上一层抗刮涂层,烘干抗刮涂层,得到处理后的汽车模具,抗刮涂层的加入,进一步提高汽车模具的抗刮能力,本发明设计巧妙,方法合理,表面强化效果好,适合推广。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
一种汽车模具成型工艺,其包括以下使用步骤:
(1)对料带、设计料带的情况进行了解,了解零件的公差要求,材料性能、冲床吨位、冲床台面、每分钟冲次、送料方向、送料高度、模厚要求、材料利用率、模具使用寿命;
(2)确定正确的压铸参数,根据客户提供的材料与设计好的料带,对模具进行参数设置;
(3)修整模具,根据压铸的参数需要对模具进行检查与修整;
(4)进行试模,根据设定好的参数与修整好的模具进行试模;
(5)根据试模的效果进行局部调整,试模完成后根据试模的效果对模具进行局部上的调整;
(6)对模具进行压铸成型,将原料加入预热的模具内,然后向压柱施加压力,原料在高温高压下熔融,并通过模具的浇注***进入型腔,逐渐硬化成型;
(7)清理模具,模具成型后,待零件冷却,将零件从模具内拿出,然后对模具进行清理。
一种汽车模具表面强化处理工艺,包括以下步骤:
(1)汽车模具表面清洗:为了去除油渍,先用浓度为2.0~3.0%碳酸钠碱液清洗汽车模具15~25min,清洗时温度为80~85℃;然后为了去除氧化皮在浓度为4.2~5.0%稀硫酸中清洗20~25min;再将汽车模具先后放入丙酮溶液、乙醇溶液和去离子水中超声40~45min,以提高汽车模具表面活性,吹干待用;
(2)汽车模具表面预处理:将(1)中的汽车模具放入正火炉内进行正火处理,650~750℃下保温1~2小时左右;取出后再进行淬火处理,送入热处理炉中加热到550~650℃,并保温1~2小时;然后,用淬火油冷却,将淬火后的零件送入回火炉中加热到700~800℃下进行高温回火处理,保温1~2小时,再在125~135℃进行低温回火,保温4~5小时;
(3)汽车模具常温冷却至常温;
(4)渗碳:汽车模具在渗碳炉中,在气态的渗碳介质中加热到900~980℃,保温处理3~4小时,冷却至120℃,保温15~20小时,然后冷却到室温;
(5)汽车模具表面的镀膜:在汽车模具的表面镀上一层抗刮涂层,烘干抗刮涂层,得到处理后的汽车模具。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (2)

1.一种汽车模具成型工艺,其特征在于,其包括以下使用步骤:
(1)对料带、设计料带的情况进行了解,了解零件的公差要求,材料性能、冲床吨位、冲床台面、每分钟冲次、送料方向、送料高度、模厚要求、材料利用率、模具使用寿命;
(2)确定正确的压铸参数,根据客户提供的材料与设计好的料带,对模具进行参数设置;
(3)修整模具,根据压铸的参数需要对模具进行检查与修整;
(4)进行试模,根据设定好的参数与修整好的模具进行试模;
(5)根据试模的效果进行局部调整,试模完成后根据试模的效果对模具进行局部上的调整;
(6)对模具进行压铸成型,将原料加入预热的模具内,然后向压柱施加压力,原料在高温高压下熔融,并通过模具的浇注***进入型腔,逐渐硬化成型;
(7)清理模具,模具成型后,待零件冷却,将零件从模具内拿出,然后对模具进行清理。
2.一种汽车模具表面强化处理工艺,其特征在于,包括以下步骤:
(1)汽车模具表面清洗:为了去除油渍,先用浓度为2.0~3.0%碳酸钠碱液清洗汽车模具15~25min,清洗时温度为80~85℃;然后为了去除氧化皮在浓度为4.2~5.0%稀硫酸中清洗20~25min;再将汽车模具先后放入丙酮溶液、乙醇溶液和去离子水中超声40~45min,以提高汽车模具表面活性,吹干待用;
(2)汽车模具表面预处理:将(1)中的汽车模具放入正火炉内进行正火处理,650~750℃下保温1~2小时左右;取出后再进行淬火处理,送入热处理炉中加热到550~650℃,并保温1~2小时;然后,用淬火油冷却,将淬火后的零件送入回火炉中加热到700~800℃下进行高温回火处理,保温1~2小时,再在125~135℃进行低温回火,保温4~5小时;
(3)汽车模具常温冷却至常温;
(4)渗碳:汽车模具在渗碳炉中,在气态的渗碳介质中加热到900~980℃,保温处理3~4小时,冷却至120℃,保温15~20小时,然后冷却到室温;
(5)汽车模具表面的镀膜:在汽车模具的表面镀上一层抗刮涂层,烘干抗刮涂层,得到处理后的汽车模具。
CN201811578603.4A 2018-12-24 2018-12-24 一种汽车模具成型及表面强化处理工艺 Pending CN109468578A (zh)

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