Non-woven fabrics filter for painting line

The invention discloses a non-woven fabrics filter for a painting line, which comprises a plurality of connected non-woven fabrics filtering model sections, wherein each non-woven fabrics filtering model section comprises a frame, a plane steel wire gauze arranged at the lower part of the frame, and filtering non-woven fabrics arranged on the surface of the steel wire gauze, the non-woven fabricsfiltering model sections are connected with one another by a plurality of screw bolts, the lower part in the side wall of each frame is provided with a compacting device for the filtering non-woven fabrics, and the upper part in the side wall of each frame is provided with a pothook for fixing the compacting devices when the non-woven fabrics are changed. A frame threaded connection structure of each non-woven fabrics filtering model section is simple in structure, and convenient to assembled and disassemble, and the air supply tightness can be guaranteed by sealant. A compacting strip can betightly contacted with a f