Paperboard trimming device

The paperboard trimming device comprises a vertical cutting machine body and a cutting groove, a notch is formed in the machine body, a round rod is fixedly connected to the notch, the round rod penetrates through a through hole formed in a bent rod, a sliding groove is formed in the bent rod, a sliding block is connected to the sliding groove in a sliding mode, a clamping plate is fixedly connected to the sliding block, and the clamping plate is fixedly connected to the cutting groove. A screw hole is formed in the bent rod, a bolt is connected to the screw hole through threads, and a limiting piece for limiting the bent rod is arranged on the machine body. According to the paperboard trimming machine, under the action of the clamping plates on the two bent rods, stacked paperboards can be aligned, when a worker pushes the two bent rods to move on the machine body, the paperboards can be tidily cut and trimmed under the action of the cutting knife on the machine body, the situation that the tidiness of the s