Self-source type high-precision air flotation grinding head driving shaft and gas circulation system comprising self-source type high-precision air flotation grinding head driving shaft

• Main Authors: HE QINGLI, CHEN XIANGLIN, HE QINGFU
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: BEARINGS; BLASTING; DRESSING OR CONDITIONING OF ABRADING SURFACES; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GRINDING; HEATING; LIGHTING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; POLISHING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The invention discloses a self-source type high-precision air flotation grinding head driving shaft and a gas circulation system comprising the same. The driving shaft comprises a barrel, a main shaft is arranged at the central axis position in the barrel, a motor is arranged in the middle position in the barrel, the middle of the main shaft is fixedly connected with the motor, a front bearing seat is arranged at one end in the barrel, and a rear bearing seat is arranged at the end, away from the front bearing seat, in the barrel. A first air bearing is arranged in the front bearing seat, a second air bearing is arranged in the rear bearing seat, the main shaft is fixedly connected with the first air bearing and the second air bearing, and an output device is arranged at the end, away from the rear bearing seat, of the main shaft. According to the embodiment of the invention, the problems of vibration, noise, heating, environment pollution, energy consumption increase, short service life and the like caused b