CROSS WELDING UNIT Russian patent published in 2015 - IPC B65B51/26 

FIELD: metallurgy.

SUBSTANCE: unit includes welding mechanism consisting of a pair of external 4 stocks that are connected on one side to each other by means of external 5 cross plank, on which one welding jaw 7 is fixed, and on the other side they are connected to each other by means of external 11 support plank. The unit also includes a pair of internal 3 stocks that are connected on one side to each other by means of internal 6 cross plank, on which the second 8 welding jaw is fixed, and on the other side they are connected to each other by means of internal 12 support plank. Besides, the pair of internal 3 stocks is located between stocks of external 4 pair, external 11 support plank and internal 12 support plank are connected to a mechanism intended for movement of the same planks and provided with a drive, and one of the welding jaws 7, 8 includes device 9 for cutting of a ready-made pack from a sleeve of film, which is provided with drive 10. The unit also includes support plate 15, and the welding mechanism includes a base plate on which all its parts are fixed. Between base plate 1 and support plate 15 there located is arc-shaped guide 17 and at least one mating part capable of being moved along guide 17, which are intended to ensure movement of the welding mechanism along support plate 15.

EFFECT: enlarging range of devices; increasing capacity and ease of operation.

16 cl, 7 dwg