A cutting apparatus for cutting corner pieces formed of stone or other materials for use as building faces or for cutting flat pieces is disclosed herein. The cutting apparatus includes a frame with a first and a second conveyor operatively attached to the frame. The first and the second conveyors a
A cutting apparatus for cutting corner pieces formed of stone or other materials for use as building faces or for cutting flat pieces is disclosed herein. The cutting apparatus includes a frame with a first and a second conveyor operatively attached to the frame. The first and the second conveyors are configured to carry a workpiece from a first end of the frame to the second end of the frame. The first conveyor is disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus. The second conveyor is disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, wherein the second conveyor is positioned perpendicularly to the first conveyor so as to form a V-shaped channel therewith. The cutting apparatus further includes a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor and a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor.
대표청구항▼
We claim: 1. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle
We claim: 1. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor; a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor; a first blade motor and a second blade motor attached to the frame, the first and second blade motors configured to operate the first and second cutting blades, respectively; and a first conveyor motor assembly operatively coupled to the first conveyor and a second conveyor motor assembly operatively coupled to the second conveyor. 2. A cutting apparatus according to claim 1, wherein the first conveyor and the second conveyor are configured to operate at generally the same speed. 3. A cutting apparatus according to claim 2, further comprising a controller for adjusting the speed of the first and second conveyors based on an inverse relation to a load detected on at least one of the first and second blade motors. 4. A cutting apparatus according to claim 3, wherein the controller is configured to detect the load on both of the first and second blade motors at the same time and is configured to adjust the speed of the first and second conveyors based on the maximum detected load on the first and second blade motors. 5. A cutting apparatus according to claim 1, wherein the first cutting blade is movable toward and away from both the first and second conveyors. 6. A cutting apparatus according to claim 5, wherein the second cutting blade is movable toward and away from both the first and second conveyors. 7. A cutting apparatus according to claim 6, wherein both the first and second cutting blades are movable relative to both the first and second conveyors with hand-operated levers. 8. A cutting apparatus according to claim 1, wherein the first and second cutting blades are water-cooled. 9. A cutting apparatus according to claim 1, wherein the second conveyor extends farther back relative to the second end of the frame than the first conveyor. 10. A cutting apparatus according to claim 1, further comprising a workpiece size sensor located adjacent the first end of the frame, the workpiece size sensor configured to detect workpieces that are too large to be cut by the first and second blades. 11. A cutting apparatus according to claim 1, further comprising a workpiece deflection arm positioned adjacent the second end of the frame, the workpiece deflection arm configured to deflect the workpiece off the cutting apparatus after the workpiece has been cut by the first and second cutting blades. 12. A method of assembling a cutting apparatus for cutting a corner out of a workpiece, the method comprising; providing a first conveyor configured to carry the workpiece; providing a second conveyor configured to carry the workpiece; providing a first conveyor motor assembly for operating the first conveyor; providing a second conveyor motor assembly for operating the second conveyor; positioning the first conveyor at an angle of about 45 degrees from a ground surface; positioning the second conveyor at an angle of about 45 degrees from the ground surface; positioning the first conveyor perpendicularly to the second conveyor so as to form a V-shaped arrangement therewith; providing a first cutting blade configured to cut a first side of the corner out of the workpiece; providing a second cutting blade configured to cut a second side of the corner out of the workpiece, the second side being perpendicular to the first side; positioning the first cutting blade generally parallel to the first conveyor; and positioning the second cutting blade generally parallel to the second conveyor. 13. A method according to claim 12, wherein both the first and the second cutting blades are movable toward and away from both the first and second conveyors. 14. A method according to claim 12, further comprising providing a first blade motor for operating the first cutting blade and providing a second blade motor for operating the second cutting blade. 15. A method according to claim 12, further comprising providing a workpiece deflection arm for deflecting the workpiece off the cutting apparatus after the workpiece has been cut by the first and second cutting blades. 16. A cutting apparatus comprising: a frame; a conveyor arrangement for moving a stone workpiece relative to the frame in a longitudinal direction; a first rotatable cutting blade operatively attached to the frame; a second rotatable cutting blade operatively attached to the frame; a workpiece deflection arm positioned to deflect the stone workpiece off the conveyor arrangement after the stone workpiece has been cut by the first and second rotatable cutting blades; wherein the first rotatable cutting blade is positioned at an angle of about 45 degrees to a reference surface parallel to the longitudinal direction and the second rotatable cutting blade is positioned at an angle of about 135 degrees to the reference surface, the first rotatable cutting blade and the second rotatable cutting blade forming a V-shaped arrangement. 17. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a cutting blade arrangement including a rotatable cutting blade operatively attached to the frame and positioned generally parallel to at least one of the first conveyor and the second conveyor; and a first conveyor motor operatively coupled to the first conveyor and a second conveyor motor operatively coupled to the second conveyor. 18. A cutting apparatus according to claim 17, further comprising a workpiece deflection arm positioned adjacent the second end of the frame, the workpiece deflection arm configured to deflect the workpiece off the cutting apparatus after the workpiece has been cut by the cutting blade arrangement. 19. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor; and a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor; wherein the first cutting blade is movable toward and away from both the first and second conveyors. 20. A cutting apparatus according to claim 19, wherein the second cutting blade is movable toward and away from both the first and second conveyors. 21. A cutting apparatus according to claim 20, wherein both the first and second cutting blades are movable relative to both the first and second conveyors with hand-operated levers. 22. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor and extends farther back relative to the second end of the frame than the first conveyor; a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor; and a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor. 23. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor; a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor; and a workpiece size sensor located adjacent the first end of the frame, the workpiece size sensor configured to detect workpieces that are too large to be cut by the first and second blades. 24. A method of assembling a cutting apparatus for cutting a corner out of a workpiece, the method comprising; providing a first conveyor configured to carry the workpiece; providing a second conveyor configured to carry the workpiece; positioning the first conveyor at an angle of about 45 degrees from a ground surface; positioning the second conveyor at an angle of about 45 degrees from the ground surface; positioning the first conveyor perpendicularly to the second conveyor so as to form a V-shaped arrangement therewith; providing a first cutting blade configured to cut a first side of the corner out of the workpiece; providing a second cutting blade configured to cut a second side of the corner out of the workpiece, the second side being perpendicular to the first side; positioning the first cutting blade generally parallel to the first conveyor; and positioning the second cutting blade generally parallel to the second conveyor; wherein both the first and the second cutting blades are movable toward and away from both the first and second conveyors. 25. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a first cutting blade operatively attached to the frame and positioned generally parallel to the first conveyor; a second cutting blade operatively attached to the frame and positioned generally parallel to the second conveyor; and a workpiece deflection arm positioned adjacent the second end of the frame, the workpiece deflection arm configured to deflect the workpiece off the cutting apparatus after the workpiece has been cut by the first and second cutting blades. 26. A method of assembling a cutting apparatus for cutting a corner out of a workpiece, the method comprising; providing a first conveyor configured to carry the workpiece; providing a second conveyor configured to carry the workpiece; positioning the first conveyor at an angle of about 45 degrees from a ground surface; positioning the second conveyor at an angle of about 45 degrees from the ground surface; positioning the first conveyor perpendicularly to the second conveyor so as to form a V-shaped arrangement therewith; providing a first cutting blade configured to cut a first side of the corner out of the workpiece; providing a second cutting blade configured to cut a second side of the corner out of the workpiece, the second side being perpendicular to the first side; positioning the first cutting blade generally parallel to the first conveyor; positioning the second cutting blade generally parallel to the second conveyor; and providing a workpiece deflection arm for deflecting the workpiece off the cutting apparatus after the workpiece has been cut by the first and second cutting blades. 27. A cutting apparatus comprising: a frame including a first end and a second end; a first conveyor operatively attached to the frame, the first conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the first conveyor disposed at an angle of about 45 degrees to a ground surface supporting the cutting apparatus; a second conveyor operatively attached to the frame, the second conveyor configured to carry a workpiece from the first end of the frame to the second end of the frame, the second conveyor disposed at an angle of about 45 degrees to the ground surface supporting the cutting apparatus, the second conveyor positioned perpendicularly to the first conveyor so as to form a V-shaped channel with the first conveyor; a cutting blade arrangement including a rotatable cutting blade operatively attached to the frame and positioned generally parallel to at least one of the first conveyor and the second conveyor; and a workpiece deflection arm positioned adjacent the second end of the frame, the workpiece deflection arm configured to deflect the workpiece off the cutting apparatus after the workpiece has been cut by the cutting blade arrangement.
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