| 摘要 |
The utility model discloses a machine for producing a cardboard tube, which is used for spirally winding one or more cardboard battens which are partially superposed with one another to produce the cardboard tube. The machine comprises a plurality of forming groups which are supported by the same structure (S) and are arranged in a way that the forming groups are opposite to one another and are horizontally and vertically staggered with one another; each one of the forming groups (1 and 2) comprises a device for producing the cardboard so that a plurality of cardboard tubes can be simultaneously produced by the machine. The machine has the main advantage that large quantity of cardboard tubes can be produced without needing to increase the operation speed of a wrapping belt. |
