| 摘要 |
An improved hole-punching machine is disclosed. The improved hole-punching machine of the present invention comprises a motor unit, a push unit, a compression unit and a hole-punching unit. The hole-punching unit is detachably held by a fixing unit in the machine. When the fixing unit disengages the hole-punching unit, the hole-punching unit may be taken out from the machine. The hole-punching unit comprises two balancing rods, a holes-positioning piece, two elastic pieces, a plurality of punching pieces, a first balancing piece (with a reinforcement piece), a second balancing piece (with a reinforcement piece) and a third balancing piece (with a reinforcement piece), wherein the first, second and third balancing pieces are connected together. Hence, the improved hole-punching machine of the present invention has the advantages of lower production cost, a higher efficiency in production and a higher economic value.
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