The invention discloses a channel structure of water cooling casting mould, including several embedded in the mold installation thread of water cooled copper tube in the hole of the inner thread copper tube are extended to the mold cooling and cooling circuit formed by ordinary pipe end to end, the internal thread tube water-cooled copper with spline shaped multi tooth structure of peripheral Biyan the length, thread hole structure is arranged in the mould is provided with several spline shaped and internal thread matched water cooled copper tube multi tooth mounting hole. The shape structure of the invention increases the cooling channel of multi tooth surface area, and the internal thread copper tube structure of the cooling water to produce turbulence and increase of cooling water and cooling water channel of the contact area, the heat capacity for stronger copper water cooling channel, the cooling effect and can improve the production efficiency. In addition, the heat conductivity of copper is greater, and the cooling effect can be improved without increasing the diameter of the pipe, the strength of the die can be guaranteed, the copper tube can be disassembled and replaced, and the corrosion of water on copper is smaller than that of the mould, and the service life of the die can be improved.
【技术实现步骤摘要】
一种铸造模具水冷通道的结构
本专利技术属于模具领域,具体的说是一种铸造模具水冷通道的结构。
技术介绍
在铝、镁合金铸造模具中,冷却是一项很关键的技术,强化冷却能有效控制铸件的凝固顺序、细化铸件晶粒尺寸和提高铸件的生产效率。而冷却不当很容易导致生产的毛坯产生缩松的铸造缺陷,甚至造成报废。目前模具冷却方式主要有水冷和风冷,水冷为应用较广泛的冷却方式。水冷通常是在模具上加工水冷通道,通过循环的冷却水来给模具降温。尤其是一些水冷结构(王凯庆,李鸿标,周鹏,等.改进的低压水冷铸造模具,CN204220967U[P].2015.)将水冷通道设置成弯曲状,使其绕过冷却盖板上的螺栓安装过孔,从而增大车轮法兰区域的冷却范围。由于弯曲状水道的加工难度大,且普通的水冷通道为在模具上直接加工的光孔,冷却水在水道中流动状态较稳定,水流表层与中心热的交换不充分,因此冷却效果不理想,且冷却水对模具材料有一定的侵蚀作用,不利于模具的寿命。当冷却强度不足时,现有的水冷方式中,常通过加大水冷通道的孔径来提高模具冷却效率,这将导致模具强度下降;若通过提高水压来增大冷却水流速加强模具冷却效率,则容易出现接头处冷却水泄露的情况,且水与高温金属液会剧烈反应,严重威胁生产安全;此外由于铝、镁合金铸造模具材料为模具钢,模具钢的耐腐蚀性一般,水对模具的侵蚀严重,会使模具的使用寿命降低。基于上述现有的模具冷却方式存在冷却效果低、对模具寿命有影响的现有问题。因此,新型水冷通道即可达到提高模具冷却效率又保证模具强度和寿命成为急需。
技术实现思路
针对上述问题,本专利技术的目的在于提供一种铸造模具水冷通道结构。该铸造 ...
【技术保护点】
一种铸造模具的水冷通道的结构,其特征在于:包括若干嵌入在模具(4)安装孔内的内螺纹水冷铜管(1),各内螺纹水冷铜管(1)两端延伸至模具(4)外且通过普通管道首尾相连形成冷却回路,所述内螺纹水冷铜管(1)外周壁沿长度方向设置有花键状多齿结构,内孔中设置有螺纹结构,所述模具(4)上设置有若干与内螺纹水冷铜管(1)相匹配的花键状多齿安装孔。
【技术特征摘要】
1.一种铸造模具的水冷通道的结构,其特征在于:包括若干嵌入在模具(4)安装孔内的内螺纹水冷铜管(1),各内螺纹水冷铜管(1)两端延伸至模具(4)外且通过普通管道首尾相连形成冷却回路,所述内螺纹水冷铜管(1)外周壁沿长度方向设置有花键状多齿结构,内孔中设置有螺纹结构,所述模具(4)上设置有若干与内螺纹水冷铜管(1)相匹配的花键状多齿安装孔...
【专利技术属性】
技术研发人员:赵海东,杨润生,林嘉华,
申请(专利权)人:华南理工大学,
类型:发明
国别省市:广东,44
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。