An extrusion type delivery pump comprises an outlet connecting device, a pulp sucking connection device, a transmission system and a drum box body with a sealed end, wherein a roller frame, an extrusion tube and a side end cover are arranged in the drum box body, one end of the extrusion tube is connected with the pulp sucking connection device, the other end is connected with the outlet connecting device, the side end cover is installed at an open end of the drum box body in an inlaid manner, one end of the roller frame is supported in a central hole arranged at the closed end of the drum box body through a bearing, the other end is supported in a central hole of the side end cover, the roller frame comprises a supporting frame as well as extrusion wheels and guide wheels which are arranged on the supporting frame, each guide wheel is provided with a groove, and the internal surfaces of the grooves are matched with the external contour of the extrusion tube. The extrusion type delivery pump is safer, is convenient to maintain, has lower cost, and prolongs the service life of the extrusion tube.