Jacking device for mold

The utility model discloses a jacking device for a mold, which comprises a base, a mold seat arranged in the base, a jacking device for lifting the mold seat and a guide device, the jacking device comprises two first connecting plates fixedly arranged at the bottom of the mold base, movable grooves formed in the first connecting plates, rolling wheels arranged in the movable grooves, lifting pieces connected with the rolling wheels and fixing pieces arranged on the base. Through the arrangement of the jacking device, a mold on the mold base can be jacked, the guide device can guide the jackingprocess, and position deviation is avoided; the air cylinder pushes the third plate body to move through the lantern ring and the first hinge seat, and due to the fact that the first plate body, thesecond plate body and the third plate body are fixedly connected, the first plate body and the second plate body can synchronously rotate along with the third plate body, and use is convenient. 本实用新型公开了一种用于模具的顶升装置，一种用于模具的顶升装置，