| 摘要 |
A stamping device with vertically guided frame, which carries the matrix and vertically guides the stamping punch. When the vertically movable stamping punch hits the workpiece to be punched, the frame of the stamping device is lifted until the matrix engages the bottom side of the workpiece, whereupon in response to a further downward movement of the punch, the punching operation is carried out. The frame has associated therewith a balancing weight which is adjustable on the longer arm of a two-arm lever between two side plates of the frame, whereas the shorter arm of the two-arm lever supports the frame. The free end portion of the longer lever arm is connected to the frame by compensating and cushioning spring means.
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