Waterjet cutting machine system

Abstract

Embodiments of the present disclosure may include a waterjet cutting machine, including a frame, a cap including a liquid inlet port and an abrasive supply port, a pivoting assembly disposed at the second end of the frame and further including a nozzle that may be pivotable about a horizontal axis between +/−130 degrees relative to the horizontal axis. The nozzle may be configured to discharge a high-pressure liquid and an abrasive to perform a shape nozzle and taperless cutting operation. The waterjet cutting machine may also include a shaft assembly disposed within the frame that may rotate about a vertical axis as well as a rotary bowl with a liner selectively removably coupled to the shaft with standoff fasteners and a plurality of set screws. The rotary bowl and liner may protect the inside surface of the waterjet cutting machine from the effects of the abrasive for optimal performance.

What is claimed is: 
     
         1 . A waterjet cutting machine, comprising:
 a frame including a first end and a second end;   a cap disposed on the first end of the frame, the cap including a liquid inlet port and an abrasive supply port;   a pivoting assembly disposed at the second end of the frame, the pivoting assembly including a nozzle that is pivotable about a horizontal axis, the nozzle configured to discharge high-pressure liquid and abrasive to perform a shape nozzle and taperless cutting operation;   a shaft assembly disposed within the frame, the shaft assembly including a motor and a shaft, the shaft including an elongate bore formed through a length of the shaft, the elongate bore of the shaft in fluid communication with both the liquid inlet of the cap and the nozzle of the pivoting assembly, the shaft assembly configured to rotate the pivoting assembly about a vertical axis; and   a rotary bowl removably disposed atop the shaft of the shaft assembly and beneath the cap, the rotary bowl including an upper lip, an inlet tube, an interior surface, and a liner, the inlet tube in fluid communication with the liquid inlet port of the cap and configured to receive the high-pressure liquid from the liquid inlet port, and the interior surface configured to receive the abrasive from the abrasive supply port, the interior surface including a top portion and a bottom portion, the liner disposed in the bottom portion of the interior surface of the rotary bowl.   
     
     
         2 . The waterjet cutting machine of  claim 1 , wherein the shaft further includes a plurality of standoff fasteners disposed on a top portion of the shaft. 
     
     
         3 . The waterjet cutting machine of  claim 2 , wherein the rotary bowl further includes a plurality of standoff apertures disposed on a bottom surface of the rotary bowl, and a plurality of set screw apertures disposed on a side surface of the rotary bowl, the plurality of standoff apertures in communication with the plurality of set screw apertures, the plurality of standoff apertures selectively receiving the plurality of standoff fasteners of the shaft. 
     
     
         4 . The waterjet cutting machine of  claim 3 , wherein the rotary bowl is selectively removably coupled to the shaft with the standoff fasteners by a plurality of set screws disposed in the plurality of set screw apertures. 
     
     
         5 . The waterjet cutting machine of  claim 1 , wherein the shaft assembly is further configured to rotate the rotary bowl about the vertical axis. 
     
     
         6 . The waterjet cutting machine of  claim 1 , wherein the rotary bowl is manufactured from aluminum. 
     
     
         7 . The waterjet cutting machine of  claim 1 , wherein the liner is manufactured from stainless steel. 
     
     
         8 . The waterjet cutting machine of  claim 1 , wherein the liner includes a diameter less than a diameter of the bottom portion of the interior surface of the rotary bowl. 
     
     
         9 . The waterjet cutting machine of  claim 1 , wherein the liner circumscribes the inlet tube of the rotary bowl, and the inlet tube extends through an entirety of the rotary bowl including outwardly and past the upper lip, the inlet tube in fluid communication with the liquid inlet port of the cap. 
     
     
         10 . The waterjet cutting machine of  claim 1 , wherein the top portion of the interior surface of the rotary bowl includes a diameter larger than a diameter of the bottom portion of the interior surface of the rotary bowl. 
     
     
         11 . The waterjet cutting machine of  claim 1 , wherein the rotary bowl further includes an abrasive aperture in the bottom portion of the interior surface of the rotary bowl, and the shaft includes an elongate groove formed along the length of the shaft, the abrasive aperture aligned with the elongate groove and permitting abrasive from the abrasive supply port to gravity feed from the rotary bowl through the abrasive aperture and into the elongate groove. 
     
     
         12 . The waterjet cutting machine of  claim 11 , wherein the abrasive supply port of the cap is oriented on an abrasive supply port axis, and the liquid inlet port of the cap is oriented on a liquid supply port axis, and the abrasive supply port axis is offset a first distance from the liquid supply port axis, and the abrasive aperture of the rotary bowl is offset a second distance from the inlet tube of the rotary bowl. 
     
     
         13 . A waterjet cutting machine, comprising:
 a frame including a first end and a second end;   a cap disposed on the first end of the frame, the cap including a liquid inlet port and an abrasive supply port;   a pivoting assembly disposed at the second end of the frame, the pivoting assembly including a nozzle that is pivotable about a horizontal axis between +/−130 degrees relative to the horizontal axis, the nozzle configured to discharge high-pressure liquid and abrasive to perform a shape nozzle and taperless cutting operation; and   a shaft assembly disposed within the frame, the shaft assembly including a motor and a shaft, the shaft including an elongate bore formed through a length of the shaft, the elongate bore of the shaft in fluid communication with both the liquid inlet of the cap and the nozzle of the pivoting assembly, the shaft assembly configured to rotate the pivoting assembly about a vertical axis.   
     
     
         14 . The waterjet cutting machine of  claim 13 , wherein the pivoting assembly further includes a swing arm, an abrasive wire guard, and a mixing body, the swing arm configured to rotate about the vertical axis, the abrasive wire guard configured to protect an electrical wiring configuration of the swing arm, and the mixing body including a first end, a second end, and a side mix port, the first end of the mixing body in fluid communication with the elongate bore of the shaft, and the second end of the mixing body in fluid communication with the nozzle, and the side mix port configured to receive the abrasive for mixing the abrasive with the high-pressure liquid within the mixing body and for delivery to the nozzle. 
     
     
         15 . The waterjet cutting machine of  claim 14 , wherein the swing arm is rotatably coupled to the shaft assembly. 
     
     
         16 . The waterjet cutting machine of  claim 14 , wherein the swing arm further includes a first planar end and a second planar end, the first planar end orthogonal to the second planar end, the first planar end of the swing arm coupled to the second end of the frame. 
     
     
         17 . The waterjet cutting machine of  claim 16 , further configured to receive a rotation limit bar coupled to the second end of the swing arm, the rotation limit bar configured to limit the swing arm from pivoting more than +/−72.5 degrees relative to the horizontal axis. 
     
     
         18 . The waterjet cutting machine of  claim 15 , further including a motor mounted to the swing arm, the nozzle coupled to the motor, and the motor configured to pivot the nozzle about the horizontal axis. 
     
     
         19 . The waterjet cutting machine of  claim 18 , further including a tilt mount plate, a tilt adjustment plate, and a cutting head mount, the tilt mount plate coupled to the motor, the tilt adjustment plate coupled to the cutting head mount, and the cutting head mount coupled to the nozzle. 
     
     
         20 . A waterjet cutting machine, comprising:
 a frame including a first end and a second end,   a cap disposed on the first end of the frame, the cap including a liquid inlet port and an abrasive supply port;   a pivoting assembly disposed at the second end of the frame, the pivoting assembly including a nozzle that is pivotable about a horizontal axis between +/−130 degrees relative to the horizontal axis, the nozzle configured to discharge high-pressure liquid and abrasive to perform a shape nozzle and taperless cutting operation;   a shaft assembly disposed within the frame, the shaft assembly including a motor and a shaft, the shaft including an elongate bore formed through a length of the shaft, the elongate bore of the shaft in fluid communication with both the liquid inlet of the cap and the nozzle of the pivoting assembly, the shaft assembly configured to rotate the pivoting assembly about a vertical axis; and   a rotary bowl removably disposed atop the shaft and beneath the cap, the rotary bowl including an upper lip, an inlet tube, an interior surface, and a liner, the inlet tube in fluid communication with the liquid inlet port of the cap and configured to receive the high-pressure liquid from the liquid inlet port, and the interior surface configured to receive the abrasive from the abrasive supply port, the interior surface including a top portion and a bottom portion, the liner disposed in the bottom portion of the interior surface of the rotary bowl.