Filter for eye drop filling production line

The utility model discloses an eye drop filling production line filter which comprises a filter cartridge, a liquid inlet pipe is arranged on the surface of the lower end of the filter cartridge, a liquid outlet pipe is arranged on the outer surface of the lower end of the filter cartridge, a filter element is filled in the filter cartridge, an upper cover is clamped and fixed on the upper surface of the filter cartridge, and an activated carbon layer and a PP filter cotton layer are arranged outside the filter element. A sliding groove is formed in the inner side of the upper end of the filter cartridge, a spring and a clamping block are slidably connected into the sliding groove, the clamping block is clamped to the inner side surface of the upper cover, the upper cover is installed through a buckling structure, the upper cover can be conveniently taken down to take out the filter element, suction can be directly conducted through a suction pump, cost is low, damage is not prone to occurring, and the filter