ROLLER ASSEMBLY, BATTERY CELL MANUFACTURING DEVICE, AND ADJUSTMENT METHOD OF ROLLER

A roller assembly (100), a manufacturing apparatus (1000) for a battery cell, and a method for adjusting a roller (20). The roller assembly (100) comprises a support (10), a roller (20) and a first adjusting member (30), wherein the roller (20) is rotatably mounted on the support (10); the first adjusting member (30) is rotatably mounted on the support (10); one end of the roller (20) is rotatably connected to the first adjusting member (30); the rotation axis of the roller (20) does not coincide with the rotation axis (A1) of the first adjusting member (30); one end of the roller (20) is rotatably mounted on the support (10) by means of the first adjusting member (30); and the first adjusting member (30) rotates to drive the corresponding end of the roller (20) to rotate, so as to adjust the direction of extension of the roller (20).