| 摘要 |
Provided in the present invention is an apparatus for polishing mobile phone cases, comprising a plurality of mobile phone holder units which has a fixed shaft and a rotating shaft, wherein the rotating shaft has a rectangle shaped rotation prevention member on an outer peripheral surface and the rotating shaft, having a cylindrical column shape, is joined with the fixed shaft at the upper end of the fixed shaft; a lateral surface grinding unit which has a vertical rotating shaft and a first grinding material, wherein the first grinding material is installed at the upper end of the vertical rotating shaft so as to contact one lateral surface of the mobile phone case fixed to the mobile phone holder unit; an upper and lower surface grinding unit which has a horizontal rotating shaft and a second grinding material, wherein the second grinding material is installed at one end of the horizontal rotating shaft so as to contact the upper surface or the lower surface of the mobile phone case fixed to the mobile phone holder unit; and a supply unit which continuously supplies mobile phone cases fixed to the mobile phone holder unit so that the mobile phone cases come into contact with the first and second grinding materials, wherein the supply unit includes a conveying means fixed at constant intervals on the lower end of the fixed shaft, and a rotation prevention guide unit which is arranged on the upper side of the conveying means while the upper and lower surfaces are in an opened state so that the rotating shaft is able to penetrate in a vertical direction, and which has a sliding groove along the direction of conveying of the conveying means, wherein a rotation prevention member is inserted to the rotating shaft to slide in the sliding groove without being rotated. |
