Title:
COIL MATERIAL CORRECTION DEVICE AND COIL MATERIAL CONVEYANCE METHOD
Document Type and Number:
WIPO Patent Application WO/2023/063201
Kind Code:
A1
Abstract:
Provided are a coil material correction device and a coil material conveyance method whereby bending due to the weight of the coil material at a buffer part can be effectively prevented, and bending marks can be effectively prevented from occurring in the coil material. A leveler 40 is disposed between an uncoiling unit 10 that feeds a coil material 12 and a press device 30, and corrects curling of the coil material 12, the leveler including: a pair of entrance rollers 41 that sandwich the coil material 12; a pair of exit rollers 42 that are disposed on the downstream side of the entrance rollers 41 and that sandwich the coil material 12; and a main body part 40a that is disposed between the entrance rollers 41 and the exit rollers 42. The main body part 40a includes a pair of conveyance rollers 43 that convey the coil material 12 along a conveyance surface P, and a plurality of correction rollers 44 that correct the coil waves of the coil material 12. Support rollers 47 that support the coil material 12 from below are disposed downstream the exit rollers 42. Contact positions of the support rollers 47 and the coil material 12 are positioned above the conveyance surface P.
Inventors:
OOTA RYOSUKE (JP)
SHIGEFUJI TAKEHIKO (JP)
SHIGEFUJI TAKEHIKO (JP)
Application Number:
PCT/JP2022/037386
Publication Date:
April 20, 2023
Filing Date:
October 06, 2022
Export Citation:
Assignee:
AMADA CO LTD (JP)
AMADA PRESS SYSTEM CO LTD (JP)
AMADA PRESS SYSTEM CO LTD (JP)
International Classes:
B21D1/05; B21C47/18; B21C47/26; B21D43/09
Foreign References:
| JP2004142876A | 2004-05-20 | |||
| JPH03174917A | 1991-07-30 | |||
| JPS63102762U | 1988-07-04 | |||
| JPS62101621U | 1987-06-29 |
Attorney, Agent or Firm:
KAJI Toshikazu et al. (JP)
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