Hollow thermal stripping heat insulation plate for die casting extrusion steel ingot riser

The utility model discloses a hollow thermal stripping heat insulation plate for a die casting extrusion steel ingot riser, which comprises a plurality of hanging plates and a plurality of inserting plates, the hanging plates and the inserting plates are sequentially arranged and combined to form a cylindrical structure, two side walls of each hanging plate are respectively provided with a first strip-shaped boss, two side walls of each inserting plate are respectively provided with a second strip-shaped boss, and the hanging plates and the inserting plates are of closed hollow structures. The first strip-shaped bosses and the second strip-shaped bosses are arranged in the radial direction. The device is beneficial to steel ingot demoulding, improves the pouring quality of the extruded steel ingot, and improves the utilization rate of the casting mould and the dead head. 本实用新型公开了一种模铸挤压钢锭冒口用空心热脱绝热板，包括：挂板、插板，多个挂板、插板依次排列组合成筒形结构，挂板的两侧壁上分别设置有第一条形凸台，插板的两侧壁上分别设置有第二条形凸台，挂板、插板为封闭的空心结构，第一条形凸台、第二条形凸台径向排列。本实用新型有利于钢锭脱模，提高