Patent ID: 11949059
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. A winding machine, comprising:
a winding structure which comprises a winding needle assembly, wherein the winding needle assembly winds a cathode plate, an anode plate and a separator to form an electrode assembly, and the winding needle assembly comprises a first half winding needle and a second half winding needle, the first half winding needle and the second half winding needle being configured to be relatively movable to clamp heads of the cathode plate, the anode plate and the separator,
wherein the first half winding needle comprises a first plane; the second half winding needle comprises a second plane; the first plane and the second plane are planes for clamping the cathode plate, the anode plate and the separator; and
a notch is formed in an end of the first plane or the second plane, the notch obtained by cutting out a part of a structure of the first half winding needle or the second half winding needle.