AUTOMATIC CHUCK DEVICE, GRINDING WHEEL CUTTING APPARATUS, AND CUTTING METHOD

WIPO Patent Application WO/2020/192797

A1

An automatic chuck device, comprising: a mechanical chuck (1301), a mechanical chuck mounting support (1305), a hydraulic motor (1302), a lifting mechanism (1303), a chuck key (1306), and a lifting cylinder (1304). The mechanical chuck (1301) is mounted on the mechanical chuck mounting support (1305). The hydraulic motor (1302), the lifting mechanism (1303), and the lifting cylinder (1304) are mounted below the chuck mounting support (1305). The hydraulic motor (1302) controls the turning of the chuck key (1306). The lifting cylinder (1304) controls the lifting and lowering of the lifting mechanism (1303) to drive the chuck key (1306) to lift and lower. The locking or loosening of the mechanical chuck (1301) is controlled by the chuck key (1306). Also provided are a grinding wheel cutting apparatus and a bar cutting method. A locking method for automatically controlling a chuck is achieved, working efficiency is improved, and the locking force of a chuck is ensured.

ZHOU XIAFEI (CN)
LI HONGBO (CN)
MENG YU (CN)
WAN XUJIE (CN)

PCT/CN2020/082178

October 01, 2020

March 30, 2020

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BIAM ALLOYS CO LTD (CN)
JIUMA AUTOMATIC MACHINERY SHANGHAI CO LTD (CN)

B23B31/02; B24B27/06

CN110103125A	2019-08-09
CN209774303U	2019-12-13
CN110170909A	2019-08-27
CN209954420U	2020-01-17
CN110170908A	2019-08-27
CN210081416U	2020-02-18
CN110103124A	2019-08-09
CN209868256U	2019-12-31
CN209737296U	2019-12-06
CN103949684A	2014-07-30
CN203917998U	2014-11-05
JPS59187452A	1984-10-24

See also references of EP 3950192A4

BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)

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