Plate pretreatment device for composite plate production

The invention belongs to the technical field of composite plate production equipment, and discloses a plate pretreatment device for composite plate production. The device comprises a main body, wherein a controller is installed on one side of the main body, a first motor is installed on one side, close to the controller, of the outer wall of the main body, two second connecting rods are symmetrically and rotationally connected inside the main body, and are sleeved with drive rollers, and one second connecting rod extends to one end outside the main body to be rotationally connected with a first motor; the position between the two drive rollers is sleeved with a conveyor belt; and two supporting rods are symmetrically installed on the top of the main body. Two base plates are driven to moveby an electric push rod, so that a second motor and a grinding roller are driven to move to positions required by a user, the grinding roller can conveniently grinds plates, the device can be adjusted according to thickness