| 摘要 |
<p>A device for upsetting, especially on presses, having a frame, (1), and a head, (14), between which tool holders, (6) and (15), are arranged. The device is provided with a parallelogram linkage consisting of at least two toggles, (5), converting the head motion into the motion of tool holders, perpendicular to the former, which results in upsetting. The device as per this invention differs from the so far known solutions in that each of the links, (7), keeping the assumed distance of the axes of the toggle joints, is born on two separate pins, (8) and (9), and is arranged between the toggles of the parallelogram linkage. Such a solution significantly facilitates operating of the device. It is advantageous, if one of the pins is adjustable and the device is equipped with bumpers to damp the impacts which occur when the tool holders, (6), (15), come together and if one of the tool holders has a console, (20), to prevent the tool holders moving apart.</p> |
