Road shoulder trimming die and trimming paver

The invention relates to a road shoulder forming device, in particular to a road shoulder trimming die, which comprises a forming die and a telescopic seat, wherein the telescopic seat can drive the forming die to move left and right; the forming die comprises a left die, a right die and a front guide plate, wherein the left die and the right die are arranged in parallel, the front guide plate isvertically welded on the front edges of the left die and the right die, and the lower part of the front guide plate is provided with a feed inlet; the telescopic seat comprises a fixed slideway, a moving slide rail and a telescopic oil cylinder, wherein one end of the moving slide rail is connected with the forming die, and the other end of the moving slide rail is in sliding fit with the fixed slideway; the telescopic direction of the telescopic oil cylinder is parallel to the sliding direction of the moving sliding rail, one end of the telescopic oil cylinder is connected with the forming die, and the other end of the telescopic oil cylinder is connected with the moving sliding rail. The road shoulder trimming die is assembled on a driving host to form the trimming paver, so that long-distance safe operation can be achieved, the trimming effect is good, secondary damage pressure to the roadside is small, and the driving safety of a driver is improved.