Extruder for solid buoyancy material

The utility model discloses an extruder for a solid buoyancy material. The grooving device comprises a hollow support, a top plate is fixedly connected to the top of the hollow support, a grooving plate penetrates through the top plate, meshing teeth are arranged on the inner wall of the grooving plate, an outer frame is welded to the surface of one side of the hollow support, a motor is installed on the outer frame, and the power output end of the motor is connected with the power input end of a disc. A round button is arranged on the disc and meshed with the meshing teeth, a connecting plate is fixedly connected to the middle of the hollow support, a telescopic sleeve is fixedly connected to the surface of the connecting plate, a telescopic rod is embedded in the telescopic sleeve, and one end of the telescopic rod is fixedly connected with the grooving plate. And materials can be automatically extruded, use is convenient, and the use requirement can be met. 本实用新型公开了一种用于固体浮力材料的挤出机；本实用新型包括空心支架，所述空心支架顶部固定连接有顶