Quantitative feeding mechanism of PI membrane

The utility model provides a quantitative feeding mechanism of PI membrane, includes a base (16), base (16) go up and to be fixed with stand I (8), depression bar crank mount pad (9), cylinder (11), stand II (12) and material in proper order to roll up a stand (14) from the right side to a left side, the material is rolled up and is equipped with material spool (15) on stand (14), PI coating materials book (2) book on expecting spool (15), its characterized in that: worm gear pair and servo motor (13) install the one side on stand (14) are rolled up to the material, it is rotatory that servo motor (13) drive the worm gear pair, establishes to be got into shutdown mechanism and cut off by material spool (15), left bearing wheel (5), material compression rod (6), right bearing wheel (7) guide in PI membrane (4) of stand (12). The utility model discloses, servo electricity pivoted angle is at every turn controlled by control system, and the pivoted angle can be according to the flexible length correction of the piston of cylinder to the length of guaranteeing the ejection of compact at every turn is unanimous.