Anti-sticking battery cell winding needle and battery cell winding mechanism

• Main Author: HUANG JIANGMIN
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model provides an anti-sticking battery core winding needle which comprises a winding needle seat, two winding needles and a battery core sheet clamping mechanism, one end of each winding needle is connected with one end of the winding needle seat, and the battery core sheet clamping mechanism is arranged in a space defined by the two winding needles. A plurality of air outlet holes formed in the radial direction of the winding needle are formed in the circumferential surface of the winding needle, an air inlet hole is formed in the side, away from the winding needle base, of the winding needle, and the air inlet hole is communicated with the air outlet holes. According to the utility model, the problem that the reject ratio of a battery cell is increased due to the fact that the battery cell is not flush with a diaphragm when the battery cell is discharged due to the fact that the winding needle is adhered to the battery cell can be avoided through gas blown out of the air outlet holes, and the w