Conveyer of tube bar in roller

The utility model discloses a conveyer of a tube bar in a roller, which relates to a conveyer which is characterized in that the tube bar materials can automatically and continuously enter a groove of the other roller from a groove of one roller and the respective function can be completed on each roller. The utility model is particularly used as the conveyer of various sucking pipe bar material packaging machines. The utility model is provided with two or more than two rollers, and one side of each roller with a conveying bar is provided with a stopping claw. The roller transmission is driven by a gear, and the circular surfaces of all the rollers are provided with axial grooves with equal circular pitches. The transmission ratio of the gear is completely the same as the ratio of the numbers of the axial grooves on the corresponding roller. Except the last roller, the surfaces of other rollers are provided with 1 to 3 ring grooves. The depth of each ring groove is lower than the depth of each axial groove.