Punching mold of water cutting machine of carpet

The invention discloses a punching mold of a water cutting machine of a carpet, and relates to auxiliary devices of water cutting devices. The punching mold comprises a base and a water cutting mold body arranged on the base, wherein an inner cavity of the water cutting mold body is connected with a vacuum pump; a cutting groove which is matched with the carpet in contour shape is arranged on the water cutting mold body; a water collecting tank is arranged below the cutting groove on the water cutting mold body; the water collecting tank communicates with a pool; at least one adsorption annular groove is formed in the upper surface of the inner side of the cutting groove of the water cutting mold body; a plurality of adsorption holes communicating with the inner cavity are distributed in the adsorption annular groove; the base provided with the adsorption annular groove is placed on a mold base of the water cutting machine of the carpet; an annular hot air tube used for rotating to the place above the water c