Locking device of paint spraying machine for fishing rod

The utility model discloses a locking device of a fishing rod paint spraying machine, which comprises a fixed back plate, and the fixed back plate is sequentially provided with a first fixed block and a second fixed block from top to bottom; a hollow guide rail is arranged in the middle of the first fixing block, first elastic pieces are arranged on the shoulders of the two sides of the first fixing block, a movable plate is movably arranged in the hollow guide rail, the top end of the movable plate is connected with a pressing block, and the bottom faces of the two ends of the pressing block are connected with the other ends of the first elastic pieces. The tail end of the movable plate protrudes outwards and forks to form two protruding ends, and smooth curved surfaces with the lower ends close to the pressing block and the upper ends far away from the pressing block are arranged on the end faces, facing the pressing block, of the two protruding ends. The number of the second fixing blocks is two, a blockin