Lubricant spraying device for steel strip cold rolling

The utility model relates to the technical field of lubricant spraying, and provides a lubricant spraying device for steel strip cold rolling, which is convenient for automatically and uniformly spraying a lubricant on a steel strip and improving the working efficiency and the practicability, and comprises a base, the top end of the base is connected with a top plate through a plurality of supporting columns, and an electric push rod is mounted on the top plate; the output end of the electric push rod penetrates through the top plate to be connected with a mounting plate, two first fixing blocks are connected to the bottom end of the mounting plate, an upper extrusion roller is rotationally connected between the two first fixing blocks, two second fixing blocks are fixedly connected to the top end of the base, and a lower extrusion roller is rotationally connected between the two second fixing blocks. The top end of the base is connected with a material storage barrel through a cushion block, a mounting hole