Patent ID: 8464420

Claim:
A diamond grinding disk, comprising: a fixing plate ( 1 ) having a plurality of L-shaped grooves ( 8 ) and a first center hole ( 11 ), a spring press plate ( 2 ) having a second center hole ( 21 ), a connection plate ( 3 ) having a third center hole ( 31 ) and a plurality of screw holes ( 32 ), a plurality of grinding blocks ( 4 ), each of said plurality of grinding blocks ( 4 ) having a base part ( 41 ) and a protruding part ( 42 ) extending from said base part ( 41 ), a plurality of springs ( 6 ), a plurality of first screws ( 7 ), and a plurality of second screws ( 9 ); wherein: said spring press plate ( 2 ) is disposed on said fixing plate ( 1 ) through said plurality of first screws ( 7 ) with said plurality of springs ( 6 ) sleeved thereon; said connection plate ( 3 ) is disposed in said second center hole ( 21 ), and is connected to said fixing plate ( 1 ) through said plurality of second screws ( 9 ); said protruding parts ( 42 ) project through said plurality of L-shaped grooves ( 8 ), whereby coupling said plurality of grinding blocks ( 4 ) to said fixing plate ( 1 ); and the diamond grinding disk is adapted to be mounted on an equipment shaft through said connection plate ( 3 ), wherein the equipment shaft is extended through said first center hole ( 11 ) and said third center hole ( 31 ), and is connected to the diamond grinding disk through said plurality of screw holes ( 32 ).