Steel stamping crack detection device for battery case

The utility model discloses a steel stamping crack detection device for a battery case, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a side plate, the bottom plate is provided with a detection part, the top of the bottom plate is provided with a detection table, and the bottom plate and the side plate are provided with height adjusting mechanisms. During use, the driving motor is started to adjust the detection table to a proper height, during adjustment, the driving motor drives the fixing block to move on the threaded rod, the limiting part is arranged on one side of the fixing block to avoid axial rotation of the fixing block, and then the air cylinder is started to drive the cleaning scraper on one side to move. And under the driving of the linkage main rod and the linkage auxiliary rod, the cleaning scraping plate on the other side moves along with the linkage main rod and the linkage auxiliary rod, and the two groups of cleaning scraping plates move above the det