Lithography machine convenient to maintain

The utility model relates to the technical field of photoetching machines, and discloses a photoetching machine convenient to maintain, according to the photoetching machine, a cabinet door can be fixed by using components such as an insertion rod and an insertion slot through a fixing assembly, and the cabinet door can be conveniently opened to maintain and overhaul precise components in a photoetching machine body. Compared with an existing device, the device can be directly operated without the help of tools during use, and the two cabinet doors can be fixed at the same time, so that the workload is reduced, and the operation is simpler. According to the photoetching machine, through the arrangement of the sliding groove and the sliding block, the moving position of the moving plate can be clearly seen when the rotating button is rotated, so that whether the inserting rod and the inserting groove are fixed or not is known. And through the arrangement of the first magnetic attraction block and the second ma