Main shaft annular spraying device

• Main Authors: JIANG XIANZONG, JIANG HEXIU
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a main shaft annular spraying device which comprises an outer ring and an inner ring, the outer ring is provided with two sealing rings, a leading-in hole, a first boss and a spraying hole, and the side wall of the outer ring, the first boss and the lower wall of the outer ring form a first step; a first groove and a second groove are formed in the inner ring; the second groove, the outer wall of the inner ring and the second boss form a second step. The first step is arranged on the outer ring, the second step is arranged on the inner ring, and the first sealing ring and the second sealing ring are arranged between the outer ring and the inner ring in a matched mode, so that a sealed liquid storage space can be formed in the outer ring and the inner ring, cooling liquid can flow smoothly, and in the cutting process, the cutting efficiency is improved. The tool holder is continuously cooled, the influence of heat on tool machining and the main shaft is relieved, the machining preci