Device for bag of opening of machine send bag in bags

The utility model discloses a device for bag of opening of machine send bag in bags, a drive arrangement who moves including the sliding seat of installing reciprocating motion on the guide rail, drive sliding seat, still including two sets of parallel four-link mechanism of using the sliding seat to hinge respectively in the sliding seat as the frame and open and shut in opposite directions by the drive of the 2nd drive arrangement, respectively and intermeshing fixed with two sets of parallel four-link mechanism's a rocker synchronous piece, respectively with the fixed cantilever of two sets of parallel four-link mechanism's connecting rod and just do not fix the sucking disc of holding in the extension of two cantilevers respectively to ground each other. Adopt the utility model discloses the sucking disc contacts the wrapping bag simultaneously about can making to division unity of bag action has been guaranteed to the upper and lower both sides of opening the sack in step, and operating condition is stable, can effectively improve production efficiency.