PRESSURE CONTROL VALVE REGENERATION APPARATUS AND REGENERATION METHOD OF PIEZO INJECTOR FOR DIESEL VEHICLE

摘要

In the present invention, in the pressure regulating valve regeneration device for a piezo injector for a diesel vehicle, a guide pin (12) installed through the pressure regulating valve (10) to regenerate the pressure regulating valve (10) installed in the hydraulic coupler disassembled the piezo injector The valve pin () at the fuel outlet of the pressure regulating valve (10) to prevent fuel from leaking when opening and closing the fuel inlet of the pressure regulating valve (10) by the guide pin removal part (20) and the valve pin (11) 11) the abrasive part 30 which polishes the contact surface 13 of the fuel inlet and the valve pin 11 of the pressure regulating valve 10 by rotating the valve pin 11 in a state in which it comes into contact with the pressure regulating valve The cutting part 40 that cuts the upper and lower surfaces of the contact surface 13 so that only a portion of the contact surface 13 of the fuel outlet of the valve pin 11 and the contact surface 13 comes into contact, and a pressure control is provided. It is composed of a thickness measuring part 50 that measures the thickness of the pressure regulating valve 10 after polishing the surface of the valve 10. As the pressure regulating valve 10 of the piezo injector can be accurately reproduced and reused. It has the effect of enabling precise injection amount control of the vehicle, and the effect of not having to replace the entire expensive piezo injector.