Bending device for plate-shaped parts of automobile

The invention discloses a bending device for plate-shaped parts of an automobile. The bending device comprises a base, and the upper end of the base is fixedly connected with a support pillar. One end, far away from the base, of the support pillar is fixedly connected with a top seat, and one end, far away from the support pillar, of the lower end of the top seat is fixedly connected with a punching machine. The upper end of the base is connected with a support rod through a connecting mechanism, and a first bearing is fixedly arranged in the rod wall, far away from one end of the connecting mechanism, of the support rod. The inner ring of the first bearing is fixedly sleeved with a threaded rod. One end of the threaded rod penetrates through the first bearing, extends outwards and is in threaded connection with a nut, and the other end of the threaded rod is fixedly connected with a rotating handle. A connecting rod is hinged on the annular side wall, close to the upper end, of the nut, and the other end of