| abstract |
The invention belongs to the technical field of production of a peripheral protection plate, and provides a production line of a steel coil peripheral protection plate, which comprises an extrusion device, a three-roller press polishing device, a tensioning device, a cooling device and a cutting device which are sequentially arranged, wherein the extrusion device comprises two horizontally arranged material cylinders, one end of each material cylinder is a closed end, the other end of each material cylinder is an output end, the two output ends are close to each other and are respectively connected with a distributor, each distributor comprises a main material inlet and an auxiliary material inlet which are close to the output ends, the main material inlets and the auxiliary material inlets are respectively connected with a splitter pump, the splitter pumps are respectively connected with a main flow passage and an auxiliary flow passage, a compression roller is arranged at the position of the main flow passage close to a converging flow passage, the compression rollers are arranged at the two ends in the thickness direction, and the axes of the. |