Material cutting device

The utility model discloses a material cutting device, which belongs to the technical field of anode and cathode material production equipment and comprises a cutter head, a driving device and a support, the cutter head comprises a three-blade milling cutter and a Reuleaux triangle cam, the driving device comprises a driving motor, a universal joint and a hollow transmission shaft, and the driving motor is in transmission connection with the hollow transmission shaft through the universal joint. The hollow transmission shaft is connected with the Reuleaux triangle cam, the support comprises a support body and a square limiting die frame, a square profiling opening is formed in the square limiting die frame, the Reuleaux triangle cam is located in the square profiling opening, the outer side of the Reuleaux triangle cam movably abuts against the side wall, and a material suction hole is formed in the three-blade milling cutter. The hollow transmission shaft is driven to revolve around the middle axis in the ve