一种轧机用芯棒在线打磨更换系统
The online grinding and replacement system enables automated disassembly, transfer, and installation of mandrels, solving the problem of mandrel surface defects, improving production efficiency and surface quality, reducing labor costs, and promoting the continuity and intelligence of the production line.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TAIYUAN UNIVERSITY OF TECHNOLOGY
- Filing Date
- 2026-03-19
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, during the rolling process of seamless steel pipes or seamless bimetallic composite pipes, defects such as wear, scratches or metal adhesion are easily found on the surface of the mandrel, which need to be regularly ground and replaced. However, offline grinding and manual replacement methods result in low production efficiency and high cost, making it difficult to achieve continuous and intelligent production.
Design an online grinding and replacement system for mandrels used in rolling mills, including a rolling mill, a mandrel carriage, a grinding device, and at least two transfer carriages. Through online grinding and automated transfer, the system enables the rapid disassembly, transfer, and installation of mandrels, reducing manual intervention.
It improves the surface quality of the mandrel, reduces labor costs, increases production efficiency, enables rapid repair and maintenance of the mandrel, ensures continuous and intelligent production processes, and reduces frequent production line downtime.
Smart Images

Figure CN121892513B_ABST
Abstract
Citation Information
Patent Citations
Device for changing mandrel and plug of piercing mill and changing method therefor
JP1999123413A