Patent ID: 8807473
Filing Date: 2014-08-19
Classification: H01M,Y02P

Abstract:
1. An automatic winding device for cell core, comprising: a mounting seat; a locking cap mounted on one end of the mounting seat; a winding assembly driving mechanism mounted on the other end of the mounting seat; and a winding assembly; wherein the winding assembly comprises two winding needles and two winding plates, one end of each winding needle is fixed to the winding driving mechanism and the other end thereof is opposite to the locking cap, one end of each winding plate is fixed to the winding driving mechanism and the other end thereof is opposite to the locking cap, the two winding plates are disposed on opposing sides of the pair of winding needles respectively and separably contact the pair of winding needles, one side of one winding needle has a concave portion, one side of the other winding needle has a convex portion that separably fits into the concave portion, a first protrusion is formed on the end of each winding needle opposite to the locking cap and a second protrusion is formed on the end of each winding plate opposite to the locking cap, a corresponding groove and a ring groove are formed in the locking cap, the first protrusion of the winding needle is locked in the groove and the second protrusion of the winding plate is locked in the ring groove.