Air cooling atmospheric pressure main shaft holder

• Main Authors: WANG GANGHUI, JIANG ZHIFU, WU TING
• Format: Patent
• Language: Chinese; English
• Published: 10.07.2018
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model provides an air cooling atmospheric pressure main shaft holder belongs to mechanical technical field. It has solved the problem that current main shaft holder life is short. This aircooling atmospheric pressure main shaft holder includes the box, be equipped with bearing frame and piston in the box, gas pocket no. 1 and gas pocket no. 2 have been offered on the box, be equippedwith the rotation axis in the bearing frame, the outer tip of rotation axis has linked firmly synchronous pulley, two deep groove ball bearing have been set up between rotation axis and the bearing, be provided with the bush in the piston, the one end of bush stretches into and links to each other through thrust bearing no. 1 between the interior other end of rotation axis and the piston, be equipped with collet no. 1 in the bush, be provided with collet no. 2 in the rotation axis, the interior tip and the collet no. 1 of collet no. 2 are connected through the screw, a plurality of slot has been seted up on the outside