The utility model relates to the technical field of superhard composite materials, and discloses an anti-oxidation
diamond compact which comprises
a diamond layer, first inclined planes are arranged on the upper end face of the
diamond layer close to the front end and the rear end, and discharging grooves are formed in the middle point and the two sides of the plane of the upper end face of the
diamond layer. Second inclined faces are arranged on the edges of the two sides of the diamond layer, an embedded block is fixedly arranged on the lower end face of the diamond layer, a hard
alloy base body is arranged at the position, close to the lower end, of the diamond layer, and a convex face is arranged on the upper end face of the hard
alloy base body in a protruding mode. According to the diamond composite sheet, materials contained in the hard
alloy base body fired at the lower end of the diamond layer can enhance the
bonding strength of the composite sheet and improve the
oxidation resistance of the composite sheet, and meanwhile the first inclined face and the second inclined face arranged on the upper end face of the diamond layer can improve the
impact resistance, the softness and the strength of the diamond layer. And the formed discharging groove can be used for discharging chippings.