Machine for removing burrs from sheet metal or the like

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• a common first shaft for the tools of said pair;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising prime mover means for rotating one tool of said pair, a driven second shaft parallel to said first shaft, and transmission means interposed between said second shaft and the other tool of said pair.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a shaft whose axis coincides with said common axis, means for driving said shaft in a first direction, means for transmitting torque from said shaft to one tool of said pair, means for rotatably mounting the other tool of said pair on said shaft, and means for rotating said other tool in a second direction counter to said first direction.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a first shaft common to the tools of said pair, means for rotating said first shaft, means for transmitting torque from said shaft to one tool of said pair, a second shaft parallel to said first shaft, means for rotating said second shaft, and transmission means interposed between said second shaft and the other tool of said pair to rotate said other tool relative to said first shaft in response to rotation of said second shaft.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a first shaft common to the tools of said pair, means for transmitting torque from said shaft to one tool of said pair, a countershaft parallel to said first shaft, prime mover means for rotating one of said shafts, first transmission means interposed between said shafts, and second transmission means for rotating the other tool of said pair in response to rotation of said second shaft, said other tool being rotatable with reference to said first shaft.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a hollow first shaft, means for transmitting torque from said first shaft to one tool of said pair, means for rotatably mounting the other tool of said pair on said shaft, a second shaft coaxial with, rotatable relative to and installed in the interior of said hollow first shaft, means for rotating said shafts, and transmission means for rotating said other tool in response to rotation of said second shaft.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a first shaft whose axis coincides with said common axis, means for transmitting torque from said first shaft to one tool of said pair, means for rotatably mounting the other tool of said pair on said first shaft adjacent to said one tool, a countershaft parallel to said first shaft, transmission means arranged to transmit torque to said other tool in response to rotation of said countershaft, and means for driving said shafts, said driving means comprising a single prime mover.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• a frame for said support means and said tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising a shaft for the tools of said pair having an axis coinciding with said common axis, means for driving said shaft in a first direction, means for transmitting torque from said shaft to one tool of said pair, and transmission means mounted on said frame and isposed between the tools of said pair, said transmission means comprising means for rotating the other tool of said pair in a second direction counter to said first direction in response to rotation of said one tool.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising means for driving one tool of said pair in a first direction and transmission means interposed between the tools of said pair and arranged to rotate the other tool of said pair in a second direction counter to said first direction in response to rotation of said one tool.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• and means for rotating the tools of said pair in opposite directions, said rotating means comprising drive means for rotating one tool of said pair, and transmission means for rotating the other tools of said pair, the tools of said pair having adjacent surfaces, and at least one of said surfaces having a recess, at least a portion of said transmission means being disposed in said recess.

A machine for removing burrs or analogous defects from elongated marginal portions of sheet- or plate-like workpieces, comprising support means on which a workpiece is movable so that a marginal portion thereof advances along a predetermined path;

• at least one set of brush-like rotary tools rotatable about a common axis which is at least substantially parallel to said path and including at least one pair of neighboring tools;
• means for rotating the tools of said pair in opposite directions;
• and guide means for the marginal portion in said path, said guide means including a guide element disposed between the tools of said pair and comprising a rotary member.