Title:
MACHINING ELECTRIC SPINDLE AND NUMERICAL CONTROL MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2023/087792
Kind Code:
A1
Abstract:
The present application relates to the technical field of numerical control machine tools, and in particular to a machining electric spindle and a numerical control machine tool. The machining electric spindle comprises: a shaft body, a driving electric motor, a fixing support, an induction coil and a controller. The shaft body is of a hollow structure. The driving electric motor is arranged outside the shaft body in a surrounding manner and is used for driving the shaft body to rotate about the axis of the shaft body. A first end of the fixing support is connected to the inner wall of the shaft body, and a second end thereof is suspended in the shaft body. The induction coil is arranged at the second end of the fixing support. The controller is in communication connection with the induction coil and the driving electric motor, and can control, when a current generated in the induction coil is greater than a preset value, the driving electric motor to adjust the rotation speed.
Inventors:
YANG BOHUI (CN)
LIU DAIWEI (CN)
MO YULIN (CN)
HUANG SHUYOU (CN)
ZENG KUN (CN)
MENG MENG (CN)
LIU DAIWEI (CN)
MO YULIN (CN)
HUANG SHUYOU (CN)
ZENG KUN (CN)
MENG MENG (CN)
Application Number:
PCT/CN2022/110457
Publication Date:
May 25, 2023
Filing Date:
August 05, 2022
Export Citation:
Assignee:
ZHUHAI GREE INTELLIGENTS TECH INSTITUTE CO LTD (CN)
ZHUHAI GREE INTELLIGENTS EQUIPMENT CO LTD (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
ZHUHAI GREE INTELLIGENTS EQUIPMENT CO LTD (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
B23B19/02; B23Q5/10
Foreign References:
| CN113878134A | 2022-01-04 | |||
| CN214290858U | 2021-09-28 | |||
| CN103042236A | 2013-04-17 | |||
| JP2021041516A | 2021-03-18 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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