The utility model relates to extruder technical field provides a kind of building
thermal insulation material
extrusion super wear-resistant threaded block, comprising: two mandrels;First threaded block and second threaded block are connected to the outside of two mandrels respectively, and the first threaded block is parallel with second threaded block and is engaged with each other;Mounting groove is fixedly opened in the inside of first threaded block and second threaded block;Mounting sleeve is movably mounted in the inside of mounting groove;Thermal compensation part is provided with two groups, is mounted in the inside of first threaded block and second threaded block;
Temperature monitoring part is provided with two, is mounted in the inside of first threaded block and second threaded block;Cooling element is provided with two groups, is respectively mounted in the inside of two mounting sleeves.The utility model is provided with thermal compensation part, cooling element and
temperature monitoring part, and multiple components cooperate, reduce the damage of temperature change to component, avoid the influence of high temperature on threaded block
material quality, significantly prolong the service life of device.