High-low expansion one-time forming device and method of full-automatic horizontal pipe expander

The invention discloses a full-automatic horizontal pipe expander high-low expansion one-time forming device and method.The horizontal pipe expander comprises a mounting base, a base and a pipe expanding mechanism, the base is arranged below the mounting base, a lifting mechanism is mounted between the base and the mounting base, a supporting base is fixedly mounted on one side of the upper end face of the mounting base, and a clamping groove is formed in the upper end face of the supporting base; a pipe is placed on the supporting seat, an L-shaped support is further installed on one side of the installation seat, a pressing assembly is installed on the L-shaped support, and a pipe expanding mechanism is installed on the other side of the installation seat. The pipe expanding device is novel in structural design and convenient to use, the overall height of the device can be adjusted according to use requirements, rapid pipe expanding operation can be achieved, and the working efficiency of the pipe expanding