Partition board auxiliary material crushing device

The invention is suitable for the field of crushing devices, and provides a partition board auxiliary material crushing device. The device comprises a box body and further comprises a rotating shaft, crushing assemblies and a pneumatic angle adjusting mechanism, the rotating shaft is rotationally installed in the middle of the box body, and a driving mechanism used for driving the rotating shaft to rotate is further installed on the box body; the multiple crushing assemblies are installed on the rotating shaft in an inner cavity of the box body in a left-right symmetrical and circumferential distribution manner, and the crushing assemblies are used for crushing auxiliary materials; and the pneumatic angle adjusting mechanism is further installed on the box body, and the pneumatic angle adjusting mechanism is used for dynamically controlling and adjusting the included angles between the multiple crushing assemblies and the rotating shaft. The crushing structure is novel, the crushing effect of the crushing str