Filling machine for bottled purified water

The utility model discloses a filling machine for bottled purified water, which comprises a filling box and a conveyer, the filling box is arranged on the conveyer, and the inner side of the filling box is provided with a telescopic limiting structure and a filtering and filling structure; the telescopic limiting structure comprises a pair of tooth-mounted telescopic blocks, a plurality of telescopic limiting shafts, a plurality of telescopic limiting wheels, two pairs of telescopic electric push rods, an infrared transmitter and an infrared receiver. The utility model relates to the technical field of purified water production, a plurality of raw material bottles are flexibly extruded and fixed in a relatively telescopic manner through the telescopic limiting structure, and meanwhile, the filtered and filled raw material bottles are provided for the filtering and filling structure to filter drained purified water, so that impurities in a pipeline which is used for a long time are filtered out, and the impuri