Proximity exposure machine

The utility model discloses a proximity exposure machine which comprises an operation table, lifting tables are fixedly installed on the left side and the right side of the operation table respectively, first pulleys are rotatably installed on the two sides of the two lifting tables respectively, an exposure box body is fixedly installed in the middle of the operation table, and adjusting boxes are fixedly installed at the two ends in the exposure box body respectively. Motors are fixedly installed in the two adjusting boxes, threaded rods are fixedly installed at the output ends of the two motors, magnetic blocks are fixedly installed at the other ends of the two threaded rods, and conveying belt passing driving conveying belts are installed on the two sides of the upper end of the operation table. The conveying belt drives the first placing disc and the second placing disc to work alternately, the next group does not need to be replaced after the last group is finished, the working efficiency can be effecti