Easily-maintained imaging lamp for visual inspection

The utility model provides an easy-to-maintain imaging lamp for visual inspection, the imaging lamp comprises a light-emitting assembly, a chart plate and a square frame, the light-emitting assembly comprises PET reflection paper, a light guide plate, a diffusion plate, a lamp frame with an L-shaped cross section and a lamp strip which are sequentially arranged from top to bottom, a raised line is formed at the upper part of the frame, the lamp frame is located at a corner below the raised line, and the light guide plate is arranged on the light-emitting assembly. A back plate is further arranged below the diffusion plate, positioning pins are inserted into a plurality of first through holes formed in the back plate and a plurality of second through holes formed in the lamp frame so that the back plate and the lamp frame can be fixed, the PET reflection paper, the light guide plate and the diffusion plate can be enclosed by the lamp frame and the back plate, and the chart plate is attached to the upper surfac