An apparatus for manufacturing a laminated core comprising an upper mold and a lower mold, and manufacturing a laminated core by stacking individual laminar members formed by having a strip which is sequentially transferred on the upper portion of the lower mold undergone a piercing process and a blanking process by punches mounted on the upper mold, wherein the apparatus further comprises: a squeeze ring installed on the lower portion of a blanking die for the blanking process; an elevating block installed on the lower portion of the squeeze ring; an elevating means vertically moving the elevating block; and a heating block installed on the upper portion of the elevating block and positioned at the inner diameter surface of the laminated core, a heating means installed on the outer circumference of the squeeze ring to heat the squeeze ring and the outer diameter of the laminated core; a rotating die having the squeeze ring and the heating means installed therein to rotate by a predetermined pitch with the squeeze ring and the heating means and a ring-shaped rotating electrode installed on the outer circumferential surface of the rotating die, wherein the rotating electrode is electrically connected to the heating means, so that the heating means is supplied with electrical power when the rotating electrode and a stationary electrode installed outside the rotating electrode are electrically connected to each other; and a support pad rotatably installed on the upper portion of the elevating block, wherein the heating block is installed on the support pad to rotate with the support pad, wherein the squeeze ring and the heating means are configured to rotate together with the rotating die when the rotating die rotates by a predetermined pitch, and wherein the elevating block is configured to be lifted by operation of the elevating means to be positioned at the lower side of the squeeze ring, wherein the apparatus is configured such that the heating block is positioned at the inner diameter surface of the laminated core stacked inside the squeeze ring to heat the inner diameter side of the laminated core and at the same time, the lamina members are stacked from above to push the laminated core down such that one laminated core is separated, and then, the elevating block is lowered so that the laminated core is finished and unloaded to an outside of the apparatus. a squeeze ring installed on the lower portion of a blanking die for the blanking process; an elevating block installed on the lower portion of the squeeze ring; an elevating means vertically moving the elevating block; and a heating block installed on the upper portion of the elevating block and positioned at the inner diameter surface of the laminated core, a heating means installed on the outer circumference of the squeeze ring to heat the squeeze ring and the outer diameter of the laminated core; a rotating die having the squeeze ring and the heating means installed therein to rotate by a predetermined pitch with the squeeze ring and the heating means and a ring-shaped rotating electrode installed on the outer circumferential surface of the rotating die, wherein the rotating electrode is electrically connected to the heating means, so that the heating means is supplied with electrical power when the rotating electrode and a stationary electrode installed outside the rotating electrode are electrically connected to each other; and a support pad rotatably installed on the upper portion of the elevating block, wherein the heating block is installed on the support pad to rotate with the support pad, wherein the squeeze ring and the heating means are configured to rotate together with the rotating die when the rotating die rotates by a predetermined pitch, and wherein the elevating block is configured to be lifted by operation of the elevating means to be positioned at the lower side of the squeeze ring, wherein the apparatus is configured such that the heating block is positioned at the inner diameter surface of the laminated core stacked inside the squeeze ring to heat the inner diameter side of the laminated core and at the same time, the lamina members are stacked from above to push the laminated core down such that one laminated core is separated, and then, the elevating block is lowered so that the laminated core is finished and unloaded to an outside of the apparatus.