Medal surface oil spraying equipment

The utility model relates to the technical field of medal surface oil injection, in particular to medal surface oil injection equipment. The oil spraying device comprises an oil spraying cavity and a cross rod in the oil spraying cavity, the outer wall of the cross rod is fixed to the top of an inner cavity of the oil spraying cavity, rolling cavities are formed in the positions, close to the two ends, of the cross rod, a rolling roller is rotationally arranged in the two rolling cavities in a penetrating mode, a hanging rope is wound around the outer wall of the rolling roller, and the end of the hanging rope penetrates out along a through hole formed in the surface of the rolling roller. The ends of the hanging ropes are connected with hooks, and a string rod is placed between the two hooks. On one hand, the height of a hung medal can be changed according to the height of a user, so that the height of the medal is suitable for the height of the user, and the user can more easily and conveniently hold the oi