Die-casting cylinder

The utility model discloses a die-casting cylinder body which comprises a supporting stand column integrally formed with the cylinder body, a stripe structure is arranged on the outer surface of the supporting stand column, the supporting stand column is cylindrical, and the stripe structure is of a knurled structure. By the adoption of the die-casting cylinder body, the mechanical performance ofan engine cylinder body can be improved, the defect that air holes are formed in the bottom of the stand column is overcome, production efficiency is improved, cost is saved, and quality is improved. 本实用新型公开了一种压铸缸体，包括与缸体一体成型的支撑立柱，所述支撑立柱的外表面上设置有条纹结构，所述支撑立柱为圆柱状，条纹结构为滚花状结构。采用本实用新型压铸缸体，可以提高提高发动机缸体的机械性能，解决立柱底部产生气孔的缺陷，提高生产效率，节约成本，提高质量。