The utility model discloses a graver for a clay model, which comprises a graver
handle, two graver heads are respectively arranged at two ends of the graver
handle, each graver head is provided with a graver holder, a heating tube and a heating wire, the graver holders are arranged at the ends of the graver
handle, two ends of the heating tube are respectively and fixedly mounted on the graver holders, and the heating wire is wound on the outer side surface of the heating tube. The heating tubes of the two tool bits are different in shape, a PCB is arranged in the
tool holder and electrically connected with the heating tubes of the two tool bits, a display screen, a power socket and a plurality of
temperature control assemblies are arranged on one side of the
tool holder, and the display screen, the power socket and the
temperature control assemblies are electrically connected with the PCB. The heating wire is heated through the heating
pipe, a heating tool does not need to be used for repeatedly heating the clay model, the texture can be rapidly manufactured through the heating wire, the
engraving efficiency is improved, and use is convenient; the two ends of the knife handle are provided with the two knife heads with the heating pipes in different shapes, so that the
carving angles can be enriched, the switching speed of the knife heads is increased, and the application range is expanded.