Support element for a feed roller and advancement member for a fiber material, carbonization line to produce carbon fibers and method for adjusting inclination of the feed roller

1. A carbonization line for production of carbon fibers, comprising:

a plurality of advancement members arranged in succession along a main direction of development of the carbonization line;

a heating system interposed between two successive advancement members of the plurality of advancement members,

wherein each of the two successive advancement members comprises:

a support structure including at least one chosen from an upright and a cross member;

a feed roller extending along an axial direction of extension, substantially horizontal, between first and second ends;

first and second support elements rotatably associated with the first and second ends, respectively, wherein each of the first and second support elements comprises:

a base attached to the at least one chosen from the upright and the cross member;

a support ring coupled with the base and including a passing-through opening for receiving one of the first and second ends;

an adjustment device operatively interposed between the base and the support ring, and configured to move a position of the support ring with respect to the base along at least one adjustment direction, transverse to a central axis of the opening, to adjust the position of the support ring as a function of deformations of at least one chosen from the feed roller, the structure and a support frame of the feed roller.

2. The carbonization line according to claim 1 , wherein the adjustment device includes first and second adjustment devices configured to move the position of the support ring with respect to the base along a first adjustment direction and a second adjustment direction, substantially orthogonal to each other and both transverse to the central axis of the opening, to adjust the position of the support ring in a plane parallel to a direction of advancement of the fiber material.

3. The carbonization line according to claim 2 , and further comprising a carrier connected to the support ring and slidably associated with the base to move, with respect to the base, along the first adjustment direction.

4. The carbonization line according to claim 3 , wherein the support ring is slidably constrained to the carrier to move, with respect to the carrier, along the second adjustment direction.

5. The carbonization line according to claim 4 , wherein the first adjustment device is operatively interposed between the base and the carrier, while the second adjustment device is operatively interposed between the carrier and the support ring.

6. The carbonization line according to claim 1 , wherein the adjustment device is accessible by at least one chosen from mechanically and electronically from outside of the support element to allow an in line adjustment of the position of the support ring.

7. The carbonization line according to claim 1 , wherein the adjustment device includes a screw extending respectively along the respective adjustment direction and rotatably coupled, respectively, with at least one chosen from the base and the support ring.

8. The carbonization line according to claim 1 , wherein the adjustment device includes a locking body configured to constrain the position of the support ring with respect to the base.

9. The carbonization line according to claim 1 , and further comprising a ball joint inserted in the opening, coupled with the one of the first and second ends, and configured to vary angle as a function of the deformation or inclination of the feed roller.

10. The carbonization line according to claim 1 , and further comprising a protection septum constrained to the support ring, above the opening, and projecting from the support ring along the central axis to protect the one of the first and second ends and prevent windings of material fibers.

11. The carbonization line according to claim 10 , wherein the protection septum comprises one at least partly tubular portion wound around the opening and projecting from the support ring along the central axis.

12. The carbonization line according to claim 1 , and further comprising a plurality of the feed rollers arranged in columns with each other, othcr and a corresponding plurality of support elements.

13. The carbonization line according to claim 12 , wherein at least two of the plurality of feed rollers are motorized.

14. A method for adjusting inclination of a feed roller for a fiber material, comprising

providing:

a base attached to at least one chosen from a structure and a frame of the carbonization line;

a support ring coupled with the base and including a passing-through opening for receiving and supporting one end of the feed roller;

an adjustment device operatively interposed between the base and the support ring, and configured to move a position of the support ring with respect to the base along at least one adjustment direction, transverse to a central axis of the opening, to adjust the position of the support ring as a function of deformations of at least one chosen from the feed roller, the structure and a support frame of the feed roller;

actuating the feed roller to allow advancement of the fiber material;

monitoring the inclination of the feed roller when a temperature changes;

actuating the adjustment device for varying the position of the support ring during the advancement of the fiber material.