The subject innovation will eat that by significantly increasing the user's convenience to eat, and more particularly operating the ink simple vertical adjustment of the height-adjustable and the ink holder at the same time facilitating the tube for supplying the ink to the roller-shaped ink stone on the same grinding machine such polisher that, with the drive unit (12) for generating a power, contacting force food in the driving roller-type ink stone 20, which rotates by receiving power from a 12 ever polishing eat eat having an ink holder 30 of the in such grinding machine, the roller-type ink stone 20 of the rotation shaft 21 is installed to be located at one side of the roller-shaped ink stone 20, the guide plate 40 to the side wall of the main body 10 is installed, and the guide also on the lower side of the plate 40 is provided with a height control panel 60 for receiving the ink tube 26 and at the same time integrally with the push lever 50, the height control panel 60 ipseol to the height control panel 60 held by an elastic force pushing upward Yeojyeo to ever contact the bottom surface of the guide plate 40, and overcomes the elastic force of the above so as to secure the height by pressing to force the push lever 50 is lowered the throttle 60 is high the push lever 50, guide plates characterized in that it includes fastening means (80) on one side of (40).
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