Cooling and conveying mechanism of extruder

The utility model discloses an extruder cooling transmission mechanism which comprises a box body, a supporting plate is arranged on the box body in a penetrating mode, the supporting plate is fixedly connected with the box body, a first bevel gear is connected to the supporting plate in a rotating mode, a driving wheel is fixedly connected to the first bevel gear, the driving wheel is connected with a driven wheel through a belt, and the driven wheel is fixedly connected with the belt. A traction wheel is fixedly connected to the driven wheel, and a water tank is installed on the side wall of the box body. When the motor drives the driving wheel to rotate through the belt, the first bevel gear, the second bevel gear, the reciprocating lead screw, the lead screw nut and the scraper blade, the traction wheel is driven to rotate through the belt, materials extruded from a mouth die are pulled to enter the water tank to be cooled, and meanwhile the driving wheel drives the first bevel gear to rotate, so that the