Automatic edge holding ironing machine for size fixation of cloth pieces

The invention relates to an automatic edge holding ironing machine for size fixation of cloth pieces. The machine is designed for adopting a mechanical operation mode for substituting a manual operation mode to complete edge holding work of the cloth pieces. The automatic edge holding ironing machine for the size fixation of the cloth pieces includes an upper transmission machine and a lower transmission machine which are used for extruding the cloth pieces; the upper transmission machine and the lower transmission machine both comprise a driving roller, a driven roller and conveying belts arranged between the driving roller and the driven roller, wherein the driving roller and the driven roller are arranged along the front and rear portions; the lower side of the upper transmission machine is clamped tightly with the upper side of the lower transmission machine, and the conveying belt of the lower transmission machine is longer than the conveying belt of the upper transmission machine; the ironing machine al