Bevel cutting device
AssigneeKoike Sanso Kogyo Co., Ltd.
InventorSusumu Ogura
Life of this patent
Estimating the term…
Abstract
A bevel cutting device for cutting a bevel in a workpiece includes a frame and a vertical cutting torch, disposed on the frame, for cutting a root face of the workpiece. At least one bevel cutting torch is provided for cutting a bevel in the workpiece. The bevel cutting torch is disposed in parallel with the vertical cutting torch in a plate-cutting direction. An inclining section is coupled to the frame and inclines the bevel cutting torch about an axis parallel to the plate-cutting direction. The inclining section includes a motor gear disposed inside a casing and a link mechanism driven by the motor gear. The link mechanism is coupled to the bevel cutting torch. A shifting section is coupled to the frame and shifts the inclining section in a direction perpendicular to the plate-cutting direction.
Claims20
A bevel cutting device for cutting a bevel in a steel plate, comprising:
- a frame;
- a vertical cutting torch, disposed on said frame, for cutting a root face of the steel plate;
- at least one bevel cutting torch for cutting a bevel in the steel plate, said bevel cutting torch being disposed in parallel with said vertical cutting torch in a plate-cutting direction;
- an inclining section, coupled to said frame, for inclining said bevel cutting torch about an axis parallel to said plate-cutting direcction, said inclining section including a motor gear disposed in a casing and a link mechanism driven by said motor gear, said link mechanism being coupled to said bevel cutting torch, said link mechanism comprising four link arms coupled together to form a rectangular shape;
- and
- a shifting section, coupled to said frame, for shifting said inclining section in a direction perpendicular to the plate-cutting direction.
A bevel forming device comprising:
- a vertical forming member for forming a vertical face on a workpiece in a plate-cutting direction;
- a bevel forming member for forming, on the workpiece, a bevel face which intersects the vertical face;
- inclining apparatus, coupled to said vertical and bevel forming members, for inclining said bevel forming member at an angle with respect to said vertical forming member in a plane orthogonal to the plate-cutting direction, said inclining apparatus including (1) a driving means for driving the inclining apparatus, (2) a dust-proof casing enclosing said driving mechanism, and (3) a link mechanism for holding said bevel forming member and comprising four link arms coupled together in the shape of a rectangle;
- and
- shifting apparatus for varying a relative distance between said vertical forming member and said bevel forming member in a direction perpendicular to the plate-cutting direction.
Apparatus for holding a bevel forming member and a vertical forming member so that said members may form a bevel on a workpiece, comprising:
- vertical holding means for holding the vertical forming member;
- bevel holding means for holding the bevel forming member;
- means for driving said bevel holding means to vary an angle between said bevel holding means and said vertical holding means;
- a casing for enclosing said means for driving;
- and
- a link mechanism for coupling said means for driving to said bevel holding member, said link mechanism being coupled to said casing at a pivot portion, said link mechanism being disposed above said pivot portion, said link mechanism comprising four link arms coupled together in the shape of a rectangle.
Dependencies are inferred from the claim text.