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发明名称
一种用于热芯盒模具中的抽芯拐臂
摘要
一种用于热芯盒模具中的抽芯拐臂,其特征在于:由拐臂、旋转轴、运动块和销钉构成;拐臂为带有角度的钢结构部件,通过运动块向下运动,拐臂一端也向下运动,同时绕旋转轴旋转,带动拐臂另一端运动,使抽芯得以抽出,以实现复杂砂芯的整体烧制;抽芯拐臂与主砂芯模具及运动块的连接方式均为销钉。本实用新型的优点是:该抽芯拐臂结构简单、方便实用,能保证多个抽芯之间尺寸的精确度,使砂芯由组合砂芯变为整体烧制砂芯,其强度高且不易开裂破损,因而大大提高了砂芯的质量。
申请公布号
CN201120457Y
申请公布日期
2008.09.24
申请号
CN200720097428.8
申请日期
2007.11.01
申请人
勤威(天津)工业有限公司
发明人
吕海鹏
分类号
B22C23/00(2006.01)
主分类号
B22C23/00(2006.01)
代理机构
代理人
主权项
1、一种用于热芯盒模具中的抽芯拐臂,其特征在于:由拐臂、旋转轴、运动块和销钉构成;拐臂为带有角度的钢结构部件,通过运动块向下运动,拐臂一端也向下运动,同时绕旋转轴旋转,带动拐臂另一端运动,使抽芯得以抽出,以实现复杂砂芯的整体烧制;抽芯拐臂与主砂芯模具及运动块的连接方式均为销钉。
地址
300462天津市经济技术开发区西区光华街55号
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