Compaction device for casting

The utility model belongs to the technical field of casting equipment, and particularly relates to a jolt ramming device for casting, which comprises a bearing box, a bottom plate is arranged below the bearing box, air springs are arranged at four corners of the bottom plate, the air springs are connected with the edge of the bearing box, an electromagnet is arranged on the bottom plate, and the electromagnet is positioned below the bearing box. The bearing box can be firmly attracted to the bottom plate by the electromagnet, so that vibration force fully acts on the bearing box, the air springs are arranged at the four corners of the bearing box, and the air springs are matched with the proportional valve and the inflation and deflation system to achieve the optimal air pressure according to the weight of the bearing box, so that the supporting force is adjusted to be appropriate, and the optimal vibration effect is achieved. 本申请属于铸造设备技术领域，尤其涉及一种铸造用振实装置，包括承载箱，承载箱下方设置有底板，底板的四个角上设置有空气弹簧，空气弹簧连接承载箱的边缘，底板上设置有电磁铁，