Automatic weighing and packaging device

The invention relates to an automatic weighing, packaging and printing device, and particularly relates to an automatic weighing and packaging device. The automatic weighing and packaging device comprises a conveying and weighing system, a cam indexing turntable transmission system, an empty box conveying system and a packaging, sealing and printing system. The automatic weighing and packaging device is characterized in that an output shaft of a cam indexer 7 is connected to the center of a turntable 9 in a general flat key connection manner, so that the cam indexer can drive the turntable to rotate conveniently; a coding machine 11 is arranged above a goods output track; and a glue containing hopper 34 is arranged on the side surface of a glue spreading sponge 12 which is arranged on an adjusting lever 33. The automatic weighing and packaging device is capable of substantially reducing the labor intensity of tedious work of manually weighing goods, packaging, printing data of production and the like, realizes automatic and continuous detection, ensures stability and reliability of weighing data, facilitates packaging operation, and is high in weighing speed and practicability.