The invention discloses a stepped pouring device, which comprises an upper casting cavity, a lower casting cavity, an upper straight gate and a lower straight gate. The upper casting cavity is connected with the lower casting cavity, a riser is arranged at the upper end of the upper casting cavity, a riser is connected with the upper straight gate, an upper casting cavity is connected with the upper straight gate, a lower casting cavity is connected with the bottom gate, and a lower direct gate is connected with the bottom gate. The runner is connected, and the upper and lower runners are connected by the interceptor. The interceptor includes T-shaped cast pipe. The T-shaped cast pipe is composed of horizontal pipe and vertical pipe. The horizontal pipe is connected with the vertical pipe. The two ends of the vertical pipe are connected with the upper runner and the lower runner respectively. There are springs in the horizontal pipe, and the spring is fixed with the baffle block. The soluble baffle pin is located at the end of the baffle block away from the spring, and a groove is arranged on the inner wall of the vertical pipe. The groove matches the block. The stepped pouring device makes the temperature of riser position the highest, realizes sequential solidification of castings, and greatly improves the feeding distance of riser.
【技术实现步骤摘要】
一种阶梯式浇注装置
本专利技术涉及一种浇注装置,具体涉及一种阶梯式浇注装置。
技术介绍
一些铸造工艺需要而采用阶梯式浇注方式的浇注系统,阶梯式浇注方式理想状态下应该是液态金属先从底部位置浇口进入铸型型腔,然后再从较高一层进入铸型型腔,最后从最高位置的冒口进入,这样就能实现铸型型腔内最低位置液态金属温度最低,逐渐向上温度越高,上箱冒口位置温度最高,这样能够达到顺序凝固保证补缩的目的。但是通常采用的底注式浇注系统中,即使金属液水平表面达到中间层及最高层浇口位置仍然有金属液从底部浇口位置进入,而使底部温度较高,因此不能保证从底部向上温度越来越高的理想状态,使补缩效果变差。
技术实现思路
本专利技术的目的在于提供一种阶梯式浇注装置,其使得冒口位置温度最高,实现了铸件的顺序凝固,大大提高了冒口的补缩距离。为实现上述目的,本专利技术提供如下技术方案:一种阶梯式浇注装置,包括上层铸件型腔、下层铸件型腔、上直浇道、下直浇道,所述上层铸件型腔与下层铸件型腔连通,所述上层铸件型腔上端设有冒口,所述冒口与上层浇道连通,所述上层浇道与上直浇道连通,所述下层铸件型腔与底层浇道连通,所述下直浇道下端与底层浇道连通,所述上直浇道和下直浇道通过截流器连接,所述截流器包括T型铸管,所述T型铸管由横管和竖管组成,所述横管与竖管连通,所述竖管两端分别与上直浇道、下直浇道连接,所述横管内设有弹簧,所述弹簧与挡块固定连接,所述挡块远离弹簧的一端设有可溶性挡针,所述竖管内壁上设有凹槽,所述凹槽与挡块相适配。优选地,所述横管与竖管之间夹角小于75°。优选地,所述T型铸管和挡块由陶瓷材料制成。优选地,所述可 ...
【技术保护点】
1.一种阶梯式浇注装置,其特征在于:包括上层铸件型腔、下层铸件型腔、上直浇道、下直浇道,所述上层铸件型腔与下层铸件型腔连通,所述上层铸件型腔上端设有冒口,所述冒口与上层浇道连通,所述上层浇道与上直浇道连通,所述下层铸件型腔与底层浇道连通,所述下直浇道下端与底层浇道连通,所述上直浇道和下直浇道通过截流器连接,所述截流器包括T型铸管,所述T型铸管由横管和竖管组成,所述横管与竖管连通,所述竖管两端分别与上直浇道、下直浇道连接,所述横管内设有弹簧,所述弹簧与挡块固定连接,所述挡块远离弹簧的一端设有可溶性挡针,所述竖管内壁上设有凹槽,所述凹槽与挡块相适配。
【技术特征摘要】
1.一种阶梯式浇注装置,其特征在于:包括上层铸件型腔、下层铸件型腔、上直浇道、下直浇道,所述上层铸件型腔与下层铸件型腔连通,所述上层铸件型腔上端设有冒口,所述冒口与上层浇道连通,所述上层浇道与上直浇道连通,所述下层铸件型腔与底层浇道连通,所述下直浇道下端与底层浇道连通,所述上直浇道和下直浇道通过截流器连接,所述截流器包括T型铸管,所述T型铸管由横管和竖管组成,所述横管与竖管连通,所述竖管两端分别与上直浇道、下直浇道连接,所述横管内设有弹簧,所述弹簧与挡块固定连接,所述挡块远离弹簧的一端设有可溶性挡针,所述竖管内壁上设有凹槽,所述凹槽与挡块相适配。2.根据权利要求1...
【专利技术属性】
技术研发人员:王成龙,李勇,俞秀枝,金慧,谭野,
申请(专利权)人:安徽应流集团霍山铸造有限公司,
类型:发明
国别省市:安徽,34
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