Decker in case erecting machine

The utility model discloses a decker in case erecting machine, include: the bottom sprag frame is provided with a pair of branch mechanism that inserts in the frame, every is inserted branch mechanism and includes: can be at the upper and lower gliding slide of frame, vertical interval at least is provided with two direction through -holes on the slide, and the outer end of the inserted bar in every direction through -hole all is connected with actuating mechanism, all inserted bars are impartial high, the inserted bar of the first separately -driven both sides of a pair of actuating mechanism ability all inserts to between two adjacent cartons, then the slide of ability separately -driven both sides upwards slides simultaneously to make the upper and lower layering of carton on the bottom sprag frame of carton and inserted bar below on the inserted bar, a pair of actuating mechanism can also first separately -driven both sides the slide reply respectively to initial position, and then the inserted bar that orders about both sides is all replied to initial position to make the carton on the inserted bar drop on the bottom sprag frame. Above -mentioned decker can ensure that the vacuum chuck in the case erecting machine works smooth, high -efficiently.