Apparatus for manufacturing metallic can

In an apparatus for manufacturing metallic cans, which includes:

• a lower plate forming a bottom plate;
• a press provided for carrying out straight movement in the vertical direction with respect to the lower plate;
• a forming part having a guide provided to the lower plate, a plurality of holders provided for fixing metallic cans and being conveyed along the guide and a plurality of molds provided to the press;
• a convey means for conveying the holders along the guide;
• and a driving means for driving the press, the apparatus for manufacturing metallic cans comprising:
• a lip processing structure forming a sealing lip to the outside surface of the upper end of the bottle neck of a metallic can, which is conveyed in a fixed state with respect to the holder along the guide in the linear direction by the convey means, such that the sealing lip can seal the bottle neck through the coupling with a cap;
• and a curling part processing structure for forming a curling part at the upper end of the bottle neck, wherein the lip processing structure and the curling part processing structure are consecutively provided, wherein the lip processing structure includes:
• a shaft driving part having a central shaft for moving in the vertical direction and simultaneously rotating;
• a cam part provided to the shaft driving part so as to move in the vertical direction and formed to have a diameter decreasing towards the center portion thereof and to be inclined downwards;
• a rotation plate axially fixed to the central shaft and transmitted with the rotation force of the central shaft;
• rotation gears inserted into through hole and axially coupled to rotation gear shafts so as to orbit together with the rotation plate at both sides of the rotation plate and rotate in the engagement with the shaft driving part;
• a plurality of gears positioned at the lower portion of the rotation plate and rotating in the consecutive engagement with each other by the rotation of the rotation gears;
• a plurality of upper connection links and a plurality of lower connection links axially fixed to the rotation gear shafts and rotating in the same rotation direction with each other;
• rotation levers provided to the end portions of the upper connection links and moving in the outward direction by the pressing operation of the cam part;
• and
• a mold part including one pair of molds neighboring each other, moving in position by the rotation of the rotation levers and the upper and lower connection links and continuously rotating by the plurality of gears.