Shearing device and brush production machine with shearing device, and use of a shearing device

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• the cutting notches (6) in the counterpart blade (3) have an acute opening angle.

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• the at least one helically coiled blade cutting edge (5) has a clearance angle (λ) of between 1° and 30°, and the counterpart blade (3) has an acute or an obtuse bevel angle (α) which is enclosed between a bevel (14) adjoining the counterpart blade cutting edge (4) and a longitudinal plane of the counterpart blade (3).

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• a wedge angle (δ) of the notches (6) of the counterpart blade cutting edge (4) is greater than or equal to a bevel angle (a) of the counterpart blade (3) which is enclosed between a bevel (14) adjoining the counterpart blade cutting edge (4) and a longitudinal plane of the counterpart blade (3).

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• the blade (2) has, between the at least one helically coiled blade cutting edge (5) and a flank (17) of the blade cutting edge (5), a transition surface (18) which is parallel to the axis of rotation (R) of the blade (2) and has a width, measurable in a direction of the axis of rotation (R), of between 0.001 mm and 0.3 mm.

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• a multi-axis robot (20) for at least one of:
• handling a workpiece (8), feed of the workpiece, or manipulation of the workpiece (8) at the blade (2).

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• a multi-axis robot (20) on which at least one of the blade (2) or the counterpart blade (3) are arranged.

A shearing device (1), comprising:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge;
• and
• a bristle displacement device (21).

A brush production machine (22) comprising a shearing device (1) including:

• a blade (2) having at least one blade cutting edge (5);
• a counterpart blade (3) assigned to the blade (2);
• the blade (2) is rotatable about an axis of rotation (R) in order to generate a cutting movement relative to a fixed counterpart blade cutting edge (4) of the counterpart blade (3);
• the at least one blade cutting edge (5) is helically coiled about the axis of rotation (R);
• the fixed counterpart blade cutting edge (4) includes cutting notches (6) to form a notched counterpart blade cutting edge.