Die with replaceable cutting tool bit for carton production cutting

The utility model relates to a cutting tool bit replaceable mould for carton production cutting, which comprises a motor, a fixing seat and a tool bit, a driving shaft of the motor is fixedly connected with the fixing seat, one end of the tool bit is fixedly connected with an inserting rod, an inserting hole is arranged in the fixing seat, an upper pressing seat and a lower pressing seat are arranged on the upper portion and the lower portion in the fixing seat respectively, and the upper pressing seat and the lower pressing seat are fixedly connected with the inserting rod. The bottom end of the lower pressing seat is fixedly connected with an inserting block, the inserting rod is inserted into the inserting hole, then the pressing rod is pressed downwards, the pressing rod drives the upper pressing seat to move downwards, the lower pressing seat drives the inserting block to be inserted into the inserting groove, meanwhile, under the guiding effect of the inclined hole, the limiting block is clamped into th