SHEET WARP CORRECTOR

• Main Authors: MATSUDA MITSUYOSHI, KOMURO NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 13.04.2022
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

To provide a sheet warp corrector adapted to correct a warp of a sheet in accordance with a humidity and a warp state of the sheet.SOLUTION: A sheet warp corrector 10 of the present invention comprises: a feeding unit 20 that has a first warp-detection sensor 22 to detect a warp state of a sheet 12; a warp correction unit 30 that bends the sheet 12 in a direction opposite to a direction of warp occurring while carrying it; a humidity sensor 40 that measures a humidity of the feeding unit; and a control section 50 that is electrically connected to the first warp-detection sensor 22, the humidity sensor 40 and the warp correction unit 30 and controls transport speed of the warp correction unit 30 based on measurement values of the first warp-detection sensor 22 and the humidity sensor 40.SELECTED DRAWING: Figure 1 【課題】湿気及びシートの反り具合に応じてシートの反りを修正するシートの反り修正装置を提供する。【解決手段】本発明のシートの反り修正装置１０は、シート１２の反り具合を検知する第１反り検知センサ２２を有する供給部２０と、前記シート１２を搬送しながら発生している反り方向と反対方向に湾曲させて前記反りを修正する反り修正部３０と、前記供給部の湿度を測定する湿度センサ４０と、前記第１反り検知センサ２２と前記湿度センサ４０と前記反り修正部３０と電気的に接続し、前記第１反り検知センサ２２と前記湿度センサ４０の測定値に基づいて前記反り修正部３０の搬送速度を制御する制御部５０と、を備えたことを特徴としている。【選択図】 図１