Patent ID: 11890149
Assignee: WUXI INSTITUTE OF TECHNOLOGY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. The medical dental grinding apparatus according to claim 1, wherein the grinding mechanism (4) comprises the turbine fan (41), a gear transmission assembly, and a plurality of grinding heads; the turbine fan (41) is rotatably provided on the inner bottom of the U-shaped connection pipeline (23), a main rotating shaft (411) is connected to a lower portion of the turbine fan (41), and a lower end of the main rotating shaft (411) penetrates through the U-shaped connection pipeline (23) to be connected to the gear transmission assembly; the gear transmission assembly comprises a first gear (42), two second gears (43) meshed with the first gear (42) and uniformly distributed along a peripheral side of the first gear (42), two first bevel gears (44), and two second bevel gears (45) fixed in the apparatus body (1) by means of fixing rods (6) and respectively meshed with the first bevel gears (44); an upper end of the first gear (42) is connected to the main rotating shaft (411), a rotating rod (421) is fixedly connected to a lower end, and a first grinding head is fixedly mounted at a bottom end of the rotating rod (421), is a concave grinding head, and is provided with a dust-storage hole; lower ends of the two second gears (43) are both connected to the first bevel gears (44) by means of rotating shafts (431); the first bevel gears (44) are meshed with the second bevel gears (45); a second bevel gear (45) has an end rotatably connected to the fixing rod (6) fixed in the apparatus body (1), and the other end fixedly connected to a grinding head rod (451); a top end of the grinding head rod (451) is provided with a second grinding head, a radius of a top end of the second grinding head is smaller than a root radius thereof, and the top end of the second grinding head is provided with a dust-storage hole; and the second grinding head is located 0.2-0.5 mm below the first grinding head.