Punching device

A punching device comprising:

• a die seat having opposite first and second end portions and formed with a die hole that is disposed between said first and second end portions, said first and second end portions being opposite to each other in an insertion direction;
• a punch seat disposed above said die seat and having opposite first and second end portions that are respectively disposed adjacent to said first and second end portions of said die seat, said punch seat and said die seat cooperatively defining a sheet-receiving gap therebetween;
• an interconnecting member interconnecting said first end portion of said die seat and said first end portion of said punch seat and confining one side of said sheet-receiving gap;
• a punch supported movably on said punch seat so as to be movable relative to said die seat into said die hole;
• a first pivot part extending from at least one of said first end portion of said die seat and said first end portion of said punch seat;
• a second pivot part opposite to said first pivot part in the insertion direction and extending from one of said second end portion of said punch seat and said second end portion of said die seat;
• a lever mechanism including first and second levers, said first lever having opposite first and second end portions and a contact portion that is disposed between said first and second end portions of said first lever for pressing said punch, said first end portion of said first lever being pivoted to said first pivot part, said second lever having opposite first and second end portions and a contact portion that is disposed between said first and second end portions of said second lever for pressing said second end portion of said first lever, said second end portion of said second lever being pivoted to said second pivot part;
• and
• an urging member for urging said punch to move in a direction away from said die hole.