Quick clamping device for die-casting mould

The utility model discloses a die-casting die quick clamping device which comprises an upper die, a lower die and a guide rod, a rack is arranged on one side of the guide rod, a gear is arranged in the lower die, the lower die is further provided with a clamping piece matched with the gear, and the gear and the rack can be matched to form fixation by moving the clamping piece. A gear is arranged to be matched with limiting teeth to fix the gear, a rotating rod is arranged to be embedded into a fixed tooth groove, the rotating rod is rotated to achieve movement of a clamping piece, and the rotating rod is prevented from rotating through attraction between a magnet and an iron block. 本实用新型公开了一种压铸模快速卡紧装置，包括上模、下模、导向杆，所述导向杆一侧设置有齿条，所述下模内设置有齿轮，所述下模还设置有与所述齿轮配合的卡紧件，移动所述卡紧件可以使所述齿轮与所述齿条的配合形成固定。设置齿轮与限位齿配合将齿轮固定不动，设置转动杆嵌入在固定齿槽内，旋转转动杆实现卡紧件的移动，设置磁铁与铁块的之间的吸附来防止转动杆转动。