Magnetic steel detection device

The utility model discloses a magnetic steel detection device, and relates to the technical field of magnetic steel detection equipment, the magnetic steel detection device comprises a box body, the top of the box body is fixedly connected with a U-shaped support frame, the top of the U-shaped support frame is fixedly provided with an air cylinder, the output end of the air cylinder is in threaded connection with a measuring head, one side of the U-shaped support frame is fixedly provided with a display screen, and the display screen is in threaded connection with the measuring head. Limiting sliding grooves are formed in the two sides of the top of the box body, and L-shaped supporting seats are slidably connected into the limiting sliding grooves. Two ends of a to-be-detected magnetic steel block are respectively placed on placing grooves on L-shaped supporting seats, a rotating rod is rotated, a threaded rod is driven to rotate, a clamping plate clamps the magnetic steel block, an air cylinder is started,