Hard alloy cutter

• Main Authors: JIANG XIANWEN, ZHANG ZHONGYAN, KONG XIANGMIN
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model discloses a hard alloy cutter which comprises a cutter bar and a blade, a dovetail-groove-shaped cutter groove is formed in one end of the cutter bar, the upper end of the blade is matched with the cutter groove, a blind hole is formed in the upper portion of the blade, the bottom wall of the blind hole is connected with an inserting rod through a first spring, and the inserting rod can retract into the blind hole. One end of the inserting rod extends into the blind hole, the other end of the inserting rod is exposed out of the blind hole, a through hole is formed in the position, corresponding to the blind hole, of the cutter bar, and an ejector rod capable of abutting against the bottom end of the through hole is arranged at the position, at the through hole, of the upper end of the cutter bar. The dovetail-groove-shaped cutter groove is formed in the cutter bar, the front side face and the rear side face of the blade are limited by the cutter bar, twisting of the blade is avoided, the sta