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US 2026/0035196 A1Published application
Jelly roll winding unit and winding method for secondary battery
AssigneeHana Technology Co., Ltd.
InventorsJeong Seok JEONG, Young Il SHIN
Life of this patent
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Abstract
Embodiments relate to a jelly roll winding unit (1) and winding method for a secondary battery and, more particularly, to a jelly roll winding unit (1) and winding method for a secondary battery seeking to prevent sagging in the width direction by constantly supporting the bottom of a jelly roll (J) during the work of wrapping the jelly roll (J) with a separator (B) and easily guides the folding line of the separator (B) as needed.
Claims20
A jelly roll winding unit for a secondary battery, the unit comprising:
- a main gripper part configured to be rotatable while pressing opposite sides of a jelly roll being fed;
- and
- an edge gripper configured to grip an edge side of the jelly roll fixed by the main gripper part,
- wherein the main gripper part comprises:
- a first gripper configured to press a first side of the jelly roll and to be able to move forward and backward along a width direction of the jelly roll;
- and
- a second gripper configured to press a second side of the jelly roll and to be able to move forward and backward along the width direction of the jelly roll.
4 more elements
Dependencies are inferred from the claim text.