Pre -compaction flat -bed machine of metal sheet tectorial membrane production line constructs

The utility model provides a pre -compaction flat -bed machine of metal sheet tectorial membrane production line constructs, includes the frame, installs a pair of covering in the frame and closes the roller set, should close the roller set and closes the roller including coating, covers and close the roller down covering, coats to close the roller and cover under with and close the roller near being in the same place, still is equipped with activity pre -compaction roller set covering the rear of closing the roller set, this includes two piece upper and lower preliminary pony presses to activity pre -compaction roller set, installs in the frame with wherein having the vertical removal of a preliminary pony press ability at least, still be equipped with the cylinder of the vertical removal of this preliminary pony press of drive, still be equipped with sensing metal sheet operation position's photoelectricity eye inductor at the rear of activity pre -compaction roller set, the control circuit of cylinder is c