| 摘要 |
PURPOSE: A scraping device for a roller is provided to smoothly enforce a scraping by supporting a roller with a knife at a same pressure even if a knife or a roller is worn way through a continuous operation. CONSTITUTION: A scraping device for a roller(1) comprises a slide shaft(7), a knife(9), a slide shaft starting unit and a knife pressing unit. The slide shaft is parallelly installed with the rotary shaft(X1) of a roller through the support block(5) in the side of a roller. The slide shaft is moved along the extension direction of the rotary shaft to the left and right. In order that the knife is touched with the surface of the roller, it is fixed to the slide shaft. The slide shaft starting unit starts the slide shaft along the extension direction of the slide shaft to the left and right. The knife pressing unit presses the surface of the roller through the knife.
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