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    • 8. 发明公开
    • ROLLER LEVELER
    • 辊矫直机
    • EP2529848A4
    • 2015-04-15
    • EP10844524
    • 2010-06-15
    • JP STEEL PLANTECH CO
    • ABE KEIZOAOYAMA TORUKUSANAGI YUTAKAOKAZAKI NOBUMASA
    • B21D1/05B21D1/02
    • B21D1/02B21B31/10B21B31/106B21D1/05
    • A roller leveler is provided in which, even when the number of leveling rolls is relatively small, a pitch of the leveling rolls arranged in a zigzag manner in the carrying direction of a steel plate is capable of being made substantially uniform with a relatively simple structure when the pitch of the leveling rolls used for flattening the steel plate is changed. The roller leveler 1 is provided with a first roll group 2 having first leveling rolls 4 through 7 arranged with a pitch "P1" in the carrying direction of a steel plate, a second roll group 3 having five pieces of second leveling rolls 9 through 13 which are arranged with the pitch "P1" in the carrying direction of the steel plate and are disposed in a zigzag manner with respect to the first leveling rolls 4 through 7, a first retract mechanism 29 for making the first leveling rolls 5 and 6 retract from the pass line "PL", and second retract mechanisms 32 and 33 for making the second leveling rolls 9, 10, 12 and 13 retract from the pass line "PL". The second roll group 3 is provided with third leveling rolls 8 and 14 which are disposed with the pitch "P1" in the carrying direction of the steel plate with respect to the second leveling rolls 9 and 13.
    • 9. 发明公开
    • ROLLER LEVELER AND PLATE MATERIAL CORRECTION METHOD USING SAME
    • ROLLENAUSGLEICHER UND PLATTENMATERIALKORREKTURVERFAHREN DAMIT
    • EP2845659A1
    • 2015-03-11
    • EP13781765.6
    • 2013-04-08
    • JP Steel Plantech Co.
    • ABE, KeizoAOYAMA, ToruSANO, Toru
    • B21D1/05
    • B21B1/24B21B27/021B21B27/032B21B35/00B21B37/28B21B39/008B21B39/06B21B2263/06B21B2267/06B21D1/02B21D1/05
    • A roller leveler (100) includes: a leveling roll unit (20) having a plurality of leveling rolls (6, 8a, 8b) configured to rotate so as to pass a plate (P) while sandwiching and pressing the plate; a pushing cylinder (4a, 4b) provided at each of an entrance side and a discharge side of the leveling roll unit (20), at which the plate enters and is discharged, respectively, and configured to press the plate (P) via the leveling rolls (6, 8a, 8b); and a driving mechanism (15) configured to rotate the leveling rolls (6, 8a, 8b) to pass the plate (P). At least one (8b) of the plurality of leveling rolls (6, 8a, 8b) has a stepped structure, including a lateral center portion (21) with a large diameter, corresponding to a center portion of the plate with respect to a plate width direction, and lateral end portions (22) with a small diameter, corresponding to edge portions of the plate with respect to the plate width direction.
    • 辊矫直机(100)包括:平整辊单元(20),其具有多个调平辊(6,8a,8b),其配置成在夹持并压制板的同时使板(P)转动; 设置在所述调平辊单元(20)的入口侧和排出侧的推压缸(4a,4b),分别在所述推压缸单元(20)进入并排出所述推压缸,并且构造成经由所述板 流平辊(6,8a,8b); 以及驱动机构(15),其构造成使所述调平辊(6,8a,8b)旋转以使所述板(P)通过。 多个调平辊(6,8a,8b)中的至少一个(8b)具有台阶结构,包括具有大直径的横向中心部分(21),对应于板的中心部分相对于板 宽度方向和具有相对于板宽度方向的板的边缘部分的小直径的横向端部(22)。