The invention relates to polyurethane elastomer machining equipment, in particular to a polyurethane elastomer machining system. The polyurethane elastomer machining system comprises a rack, a material storage component arranged on the rack, a mixing component connected with the material storage component through a pipeline and a forming component and further comprises a supporting swing component and a control component. According to the polyurethane elastomer machining system, the control component is used for monitoring and controlling the whole machining system, so that automation and informatization are achieved, worker operation is convenient, and the production machining efficiency and the production quality are improved; and the mixing component can swing in a three dimensional mode through the supporting swing component, so that the working requirements for mass production are met, the production efficiency is improved, operation and production are convenient, mechanical production is achieved, the production quality is ensured, and the rejection rate is decreased.