Automatic breaking and assembling device for crankshaft connecting rods

The invention relates to the field of automobile part manufacturing, in particular to an automatic breaking and assembling device for crankshaft connecting rods. The automatic breaking and assemblingdevice for the crankshaft connecting rods comprises a table, a processing position, a loading and unloading device and a breaking device, the processing position, the loading and unloading device andthe breaking device are fixedly mounted on the table, the processing position includes a jig and a horizontal rotating device installed below the jig and used for driving the jig to rotate, the loading and unloading device is installed above the jig, the breaking device is installed above one end of the jig, the end, far away from the breaking device, of the jig is provided with a bolt pretensioning device right facing the jig, a bolt feeding device is arranged above the bolt pretensioning device, and an assembly device right facing the jig is installed at the other end of the jig. By means ofthe device, the crankshaft