Automatic cutting device for car audio box

The utility model provides an automatic cutting device for an automobile sound box. The device comprises a cutting assembly and a fixing assembly. The cutting assembly comprises a joint manipulator, a cutting motor, a rotating motor, a support and a cutting blade, the cutting motor drives the cutting blade to rotate on a first plane, the cutting motor and the cutting blade are arranged on the support, the rotating motor is arranged on the joint manipulator, the rotating motor drives the support to rotate on a second plane, and the first plane is perpendicular to the second plane; the fixing assembly comprises a rotating platform, a clamping block, a stepping motor and a fixing rod. The stepping motor drives the rotating platform to rotate, the clamping block is arranged on the rotating platform, a groove and a clamping part are arranged on the clamping block, the clamping part extends out in the circumferential horizontal direction of the clamping block, the fixing rod is arranged above the clamping block in