This machine is composed of three parts, the board cutting machine, the vertical and horizontal conveyor beltand the cutting machine, which can realize the cutting,slotting and corner cutting of the cardboard in one time,with high efficiency, quick and convenient, high accuracy of the finished product, which can greatly reduce the labour intensity of workers and the number of operators, and is a high-tech product with high cost performance. Features: 1. Automatic feeding of large cardboard and long cardboard,low labour intensity for workers 2. 1.5 m top stack height; 3. Servo propulsion feeding, touch screen value setting,easy to adjust. 4. Slitting of cardboard to an accuracy of ± 0.1 mm; 5. Pneumatic adjustment of the pressure roller gap, simple,easy and fast to operate; 6. Digital adjustment of the cutter spacing, with high precision, saving time and effort in knife adjustment; 7. CE standard safety enclosure; 8. Centralised lubrication systems; 9. Equipped with a waste removal device to shred the cardboard edges and send them out of the machine via a small conveyor belt; 10. High degree of automation with two machines fully linked and a slitter at the back that can run automatically; 11. The middle feeder is motor-driven in both vertical and horizontal directions to adjust the position with precision and effort. 12. This machine has a number of patents such as servo-driven paper feeding mechanism and automatic knife adjustment device. 13. Touch screen human-machine interface, slitting sheet size and processing quantity can be preset.