图1所示为松香桶接料口的结构与尺寸,由于该件存在两道加强筋,没有专用机具无法进行加工。因此,我们改装了三辊卷板机,卸掉一根主动辊,在另外一对主、被动辊中加装一对啮合齿轮,并在辊中安装一套模具,再在辗辊滚动的前方适当的位置安装一个导向轮,用这个工装滚出所要求的工件,大大地提高了工作效率,一个班可以 Figure 1 shows the structure and size of the mouth of the rosin barrel. There are two reinforcing ribs in the piece, and no special machine can not be processed. Therefore, we modified the three-roll plate bending machine, unloading a driving roller, in the other pair of main and passive roller to add a pair of meshing gear, and install a set of mold in the roller, and then roll in front of the roller Appropriate position to install a guide wheel, with the tool out of the required workpieces, greatly improving work efficiency, a class can