Integrated centre device

• Main Authors: ZHU SHAOJUN, DONG XIUFEN, FU HENGXUN
• Format: Patent
• Language: Chinese; English
• Published: 05.01.2021
• Subjects: DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; PERFORMING OPERATIONS; POLISHING; TRANSPORTING

The utility model discloses an integrated centre device, which comprises a centre body and a head and tail frame mandrel (1), and is characterized in that the centre body comprises a conical centre (2), a bearing sleeve (3) and a flat centre (4), and the conical centre (2) is directly fixed on the head and tail frame mandrel (1) through a connecting screw (8); the bearing sleeve (3) is mounted onthe step surface of the conical tip (2) through a deep groove ball bearing (6) and a plane thrust cylindrical roller bearing (7) and is fixed through a clamp spring (5); and the flat tip (4) is arranged on the step surface of the bearing sleeve (3) and is used for axially positioning a workpiece. The conical centre and the flat centre are integrated into a whole, so that repeated disassembly and assembly of the centre are avoided; the cone tip is directly mounted on the head and tail frame mandrel, so that the bearing capacity of the cone tip is ensured; the bearing sleeve is installed on theconical center through the