Patent ID: 9511478
Filing Date: 2016-12-06
CPC Classification: B05B,B24B,H01J

Claim Text:
1. A nano fluid electrostatic atomization controllable jet minimal quantity lubrication grinding system, comprising a grinding system, wherein the grinding system is provided with a corona charging nozzle, a nozzle body of the corona charging nozzle is connected with a liquid supply system and an air supply system, a high-voltage direct-current electrostatic generator at the lower part of the nozzle body is connected with a cathode of an adjustable high-voltage direct-current power supply, an anode of the adjustable high-voltage direct-current power supply is connected with a workpiece charging device, and the workpiece charging device is attached to a non-machined surface of a workpiece, wherein the nano fluid, which is used as a grinding liquid, is fed into the corona charging nozzle through the liquid supply system, meanwhile, the air supply system feeds compressed air into the corona charging nozzle, the nano fluid grinding liquid is charged into a controllable jet stream by the high-voltage direct-current electrostatic generator while being driven by the compressed air to be sprayed out and atomized from the nozzle body, and the controllable jet stream is controllably distributed to grinding area of the machined workpiece under the actions of an electric field force and an aerodynamic force, wherein the high-voltage direct-current electrostatic generator comprises an electrode tray arranged at the lower part of the corona charging nozzle, the electrode tray is made of an insulating material, a plurality of electrode slots are arranged along the circumference of the electrode tray, and needle electrodes are arranged in the electrode slots; a wire slot is formed in the pitch diameter of the electrode tray, a high-voltage wire is arranged in the wire slot, a high-voltage wire tray connecting through hole is formed in the electrode tray, each needle electrode is connected with the high-voltage wire, and the high-voltage wire is connected with the cathode of the adjustable high-voltage direct-current power supply; and a positioning thread ring is arranged at the lower part of the electrode tray, made of a ceramic material and provided with an external thread matched with the corona charging nozzle for positioning the electrode tray.