The utility model discloses a kind of anti-box edge outward expansion's bubble pressing mould, it is related to packaging box
processing technical field, including base, the middle part of base is fixedly installed with driving device, the top of base is fixedly installed with shift mechanism with ring shape arrangement at equal intervals, the top of shift mechanism is fixedly installed with
extrusion mould group;The driving device includes rectangular groove and driving motor, and the driving motor is fixedly installed in the middle of the bottom of base.The utility model adopts the above structure, and the
extrusion mould group can be adjusted along the base radial by the shift mechanism of the device, and the different packaging box
peripheral size is adapted;Vertical and horizontal adjustment group can realize fine adjustment of height and horizontal direction, by adjusting screw rod, not only four mould plate spacings and height can be flexibly adjusted, but also mould plate can be conveniently disassembled and replaced, satisfy diversified production demand, improve mould versatility, reduce die change frequency, improve production efficiency and reduce cost.