Apparatus for advancing and supplying bars to a machine tool

Apparatus for advancing and supplying bars to a machine tool, comprising:

• a plurality of tubular elements each suitable for containing longitudinally a respective bar;
• at least one first carriage unit and a second carriage unit supporting said plurality of tubular elements and movable longitudinally on a drum structure to move said tubular elements parallel to an advancement direction of said bars, said drum structure extending from a front end, suitable for being placed in a position adjacent to a spindle of said machine tool, to a rear end, suitable for being further from said machine tool,
• said drum structure comprising, at said front end, a front end flange, provided with respective openings through which said tubular elements can slidably traverse said front end flange to protrude, beyond said front end, to the spindle of said machine tool,
• each tubular element of said plurality of tubular elements being provided with a feed finger unit that is suitable for clamping and pulling a respective bar to advance the bar in said advancement direction.