凭借以上的设计，可确保所述的交换刀臂在垂直位移在与水平摆转时的精确度以及稳定性。

By dint of the design, the utility model can ensure the accuracy and the stability of the exchange cutter holder in vertical displacement and horizontal swinging.

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由电机通过齿轮、齿臂带动压刀梁作前后运动，达到冲孔轻松、快捷的目的；

The motor drives the back of the press blade to move forward and backward via the gears and gear arm to realize the purpose of punching easily and quickly;

youdao

由电机通过齿轮、齿臂带动压刀梁作前后运动，达到冲孔轻松、快捷的目的；

The motor drives the back of the press blade to move forward and backward via the gears and gear arm to realize the purpose of punching easily and quickly;

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