Impact engraving machine

An impact engraving machine comprising a pneumatic or solenoid engraving device equipped with a striking point capable of impacting on the surface to be engraved and producing on it a point deformity on each impact, which device is mounted on a support which can be moved in controlled manner along an axis parallel to the surface to be engraved, and may turn through an angle in both directions, also in controlled manner, around said axis, wherein said axis is embodied in a guide-bar of polygonal section, freely moved along said guide-bar, and a fixed bridge which runs between the ends of the guide bar;

• said bridge bearing mounted on the outside a longitudinal transmission mechanism comprised of a belt which runs along the bridge, and an activating end motor, while the support bearing the engraving device is fastened to a slide, directed in opposite direction to that occupied by the bridge and it is related with the section of the belt nearest to the guide-bar and a frame supporting an assembly formed by said guide-bar and bridge and mounting a tipping mechanism