Top-blow and bottom-blow drying machine

The utility model relates to a top-blow and bottom-blow drying machine comprising a box and an electrical cabinet. The box comprises a box frame and insulation sealing plates. An upper fan supporting plate is disposed in the upper portion of an inner chamber of the box; a plurality of upper fans are embedded onto the upper fan supporting plate. The box is sleeved with a heating device; the heating device comprises steam pipes, a radiating pipe set and a drain valve. A conveying rack is disposed at the bottom of the inner chamber of the box; a lower fan supporting plate is mounted within the conveying rack; a plurality of lower fans are embedded onto the lower fan supporting plate; rollers are disposed at two ends of the conveying rack; the rollers are sleeved with a conveying belt. The top-blow and bottom-blow drying machine allows flow production; the fans staggered from top to bottom allow top blow and bottom blow, drying is more comprehensive, drying time is shortened, drying efficiency is higher, drying effect is good, labor cost is saved, and work environment is improved; the top-blow and bottom-blow drying machine is firm in structure, good in insulation effect and long in service life.