Built-in electric main spindle

• Main Authors: WANG QISONG, BAI DI, DONG WENPING, ZHANG XIA, SUN YANXU, LIU JIAHUI, LIU CHUNLIAN
• Format: Patent
• Language: Chinese; English
• Published: 01.09.2010
• Subjects: BORING; 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; TURNING

A built-in electric main spindle with simple structure, rapid response speed and small occupied space comprises a main spindle box, wherein a motor is arranged in the main spindle box, the motor comprises a motor stator and a motor rotor, a motor stator jacket is fixedly installed in the main spindle box, the motor stator is fixedly installed in the motor stator jacket, a motor rotor inner sleeve is fixedly installed in the motor stator, and a main spindle is fixedly installed in the motor rotor inner sleeve. The main spindle box and the main spindle are relatively and rotatably connected through a bearing. An encoder probe is fixedly installed on the main spindle box, an encoder gear ring is fixedly installed on the main spindle, and the encoder probe corresponds to the encoder gear ring. A connecting disk is fixedly installed on the main spindle, and the encoder gear ring is fixedly installed on the connecting disk. The built-in electric main spindle integrates the motor and the main spindle into a whole, a