Abrasive belt grinding center applicable to grinding and polishing of whole profile of blisk

An abrasive belt grinding center applicable to grinding and polishing of a whole profile of a blisk, comprising a bed and a grinding head mechanism, wherein an index plate holder is arranged at a middle of an upper surface of the bed, and a numerical control index plate is mounted at a top end of the index plate holder, and a grinding robot is provided at a rear of the numerical control index plate;

• a Y-axis ram is provided at each of a left side and a right side of the index plate holder, a Y-axis screw rod is rotatably supported on each of the Y-axis ram, and the Y-axis screw rod at the left side and the Y-axis screw rod at the right side are splayed apart;
• one end of each of the Y-axis screw rods is coaxially connected to a respective Y-axis motor through a respective coupler, and a Y-axis screw rod nut seat threadedly mated with each of the Y-axis screw rods is fixed to a bottom side of a respective Y-axis sliding saddle;
• an X-axis screw rod is rotatably supported on each of the Y-axis sliding saddle, and is perpendicular to the respective Y-axis screw rod, one end of the X-axis screw rod is connected to an X-axis motor through a coupler, and an X-axis screw rod nut seat threadedly mated with the X-axis screw rod is fixed to a bottom side of an X-axis sliding saddle;
• a C-axis arc-shaped rack is mounted on an upper surface of the X-axis sliding saddle, a center of the C-axis arc-shaped rack is close to an axis of the numerical control index plate, a C-axis straight tooth cylindrical gear engaged with the C-axis arc-shaped rack is mounted on an output shaft of a C-axis driving right-angle reduction motor, and the C-axis driving right-angle reduction motor is mounted on an upper surface of a C-axis sliding saddle;
• a pillar mounting support is provided on the upper surface of the C-axis sliding saddle, and a pillar is fixedly mounted on an upper surface of the pillar mounting support, a Z-axis screw rod is rotatably supported on a lateral side of the pillar, an upper end of the Z-axis screw rod is coaxially connected to a Z-axis motor through a coupler, the Z-axis motor is fixed to a top end of the pillar, and a Z-axis screw rod nut seat threadedly mated with the Z-axis screw rod is fixed to a back side of a Z-axis sliding saddle;
• a B-axis arc-shaped rack is mounted on a front side of the Z-axis sliding saddle, a center of the B-axis arc-shaped rack coincides with a center of a contact wheel of the respective grinding head mechanism, and a B-axis straight tooth cylindrical gear engaged with the B-axis arc-shaped rack is mounted on an output shaft of a B-axis driving right-angle reduction motor, and the B-axis driving right-angle reduction motor is mounted on a front side of a B-axis sliding saddle;
• and
• a housing is provided on the front side of the B-axis sliding saddle, and a drum is mounted in a mounting hole of the housing by a bearing;
• the grinding head mechanism is mounted on the drum, and the contact wheel of the grinding head mechanism is toward the axis of the numerical control index plate, a synchronous driven pulley is coaxially fixed to the drum and is connected to a synchronous driving pulley by a synchronous belt, the synchronous driving pulley is sleeved on an output shaft of a grinding head rotation driving motor, and the grinding head rotation driving motor is mounted on the B-axis sliding saddle.