Electrode plate cutting unit for secondary battery, secondary battery manufacturing apparatus having electrode plate cutting unit, and method of manufacturing secondary battery

A secondary battery manufacturing apparatus comprising:

• an electrode plate transport unit configured to transport an electrode plate along a transport path;
• a winding unit configured to wind the electrode plate transported by the electrode plate transport unit;
• a cutting unit comprising a lower cutting unit having a lower cutter installed below the transport path and having an inclined blade and a support stripper positioned at a side portion of the lower cutter to support the electrode plate upwardly, and an upper cutting unit having an upper cutter provided to move upwardly and downwardly above the transport path to cut the electrode plate through cross motion with the lower cutter when moving downwardly and a tilting stripper installed at a side portion of the upper cutter and tilted while supporting the electrode plate toward the lower cutter;
• and
• a vertical movement driving unit configured to move the upper cutting unit upwardly and downwardly.

A method of manufacturing a secondary battery, comprising:

• a transporting operation of transporting an electrode plate to be cut along a transport path;
• a cutting operation of cutting the electrode plate using a cutting unit comprising a lower cutter installed below a transport path of an electrode plate moving along the transport path and having an inclined blade, a support stripper positioned at a side portion of the lower cutter to support the electrode plate upwardly, an upper cutter provided to move upwardly and downwardly above the transport path to cut the electrode plate through cross motion with the lower cutter when moving downwardly, and a tilting stripper installed at a side portion of the upper cutter and tilted while supporting the electrode plate toward the lower cutter, wherein the cutting of the electrode plate is performed while the tilting stripper is tilted to be in close contact with the electrode plate;
• and
• a winding operation of winding the cut electrode plate.