Quick clamping fixture

I need a large number of rollers in the open pit mine. The materials used for the rollers are generally made of seamless steel tubes. The wall quality of the steel pipes is required to be uniform, and the coaxiality and processing precision of the inner nozzles of the rollers are ensured. Therefore, according to the need, a set of fixtures for quickly clamping the idler without changing the other accessories of the horizontal lathe is designed. 1. Structure of the fixture (1) The composition of the fixture is shown in the figure, which consists of 13 parts in the figure.