Steel plate meandering prevention device for vertical looper and method for preventing steel plate meandering
A vertical looper and looper technology, which is applied in braking/tensioning devices, guiding/positioning/aligning devices, transportation and packaging, etc. It can solve problems such as the limit of correction ability and the limitation of the number of settings, and achieve simple The effect of equipment
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Embodiment 1
[0086] The permissible range of the meandering amount of the vertical looper described in this embodiment is 100 mm or less. In this vertical looper, in the state where the looper carriage is not inclined ( image 3 ), when the carriage height Z = 60%, the meandering amount A = 150 mm occurred in the steel plate with uneven shape at the end of the plate. In previous devices ( Figure 15 ), the amount of meandering cannot be reduced, so it is necessary to limit the height Z of the carriage so as not to roll out from the upper looper roller 33 .
[0087] On the other hand, in the device of the first invention, at the carriage height Z=90%, the lifting amount B=20mm of the corner portion of the looper carriage, and at the carriage height Z=60%, the looper The lifting amount B of the corner portion of the carriage is 12 mm, and the meandering amount can be made 100 mm or less. At the carriage height Z=30%, adjustment of the lifting amount of the corner portion of the looper carr...
Embodiment 2
[0090] In the vertical looper described in this embodiment, in the state where the looper carriage is not inclined ( Figure 7 ), when the carriage height Z = 70%, the steel plate with uneven shape at the end of the plate has a meandering amount A = 125 mm when confirmed by the CPC sensor. In the prior art, the meandering amount could not be reduced, and therefore it was necessary to limit the carriage height Z so as not to roll off the upper looper roller 33 .
[0091] Therefore, in the apparatus of the second invention, by taking the inclination amount C of the looper carriage = 16.5 mm, the meandering amount A = 0 mm, and a good result was obtained.
Embodiment 3
[0093] In the vertical looper described in this embodiment, in the state where the looper carriage is not inclined ( Figure 13 ), when the carriage height Z = 30%, the steel plate with uneven shape at the end of the plate had a meandering amount A = 90 mm when confirmed by the CPC sensor. In the prior art, when the inclination amount of the looper carriage was 19 mm or more, the meandering amount could be reduced, but one-sided elongation of the steel plate occurred.
[0094] Therefore, in the device of the third invention, such as Figure 12 As shown, when Z=30%, the snaking of 90 mm achieved a lower looper carriage inclination than the allowable inclination of 18 mm, no one-sided elongation of the steel plate occurred, and the snaking amount could be reduced, resulting in a good result.
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