Downward-bending roller device
A technology of bending rolls and support rolls, which is applied in the field of lower bending roll devices, can solve the problems of poor elastoplasticity of steel strips, failure to meet process requirements, and unreasonable structure settings, and achieve the effect of reasonable settings, meeting process requirements, and compact and simple structure
Inactive Publication Date: 2015-05-20
无锡市鸿顺机械制造有限公司
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Problems solved by technology
[0002] The tension leveling machine is widely used. The tension leveling machine base causes the strip to produce tensile bending deformation. The bending roller is used to generate bending stress and produce elastic-plastic extension under the joint action of tensile stress to realize the plastic extension of the steel strip. Eliminate the three-element defect of the steel strip material, because the bending stress of the bending roll is directional on the cross-section of the strip steel, and plastic extension is realized on one side. In order to achieve uniform deformation on both sides, two bending rolls with opposite directions must be used , that is, symmetrical upper and lower bending rolls, but the structure of the general bending rolls is unreasonable, and the elastoplasticity of the rolled steel strip is poor, which cannot meet the process requirements
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[0013] See figure 1 As shown, a lower bending roller device comprises a base 1, a support seat 2 is arranged on the base 1, an inclined seat 3 is arranged on the support seat 2, a support frame 4 is arranged on the inclined seat 3, and the support frame 4 passes through the bearing seat 5 and The bearing 6 is respectively provided with three outer support rolls 7, two intermediate support rolls 8 and one inner work roll 9, the three outer support rolls 7 are distributed in a V shape, and the two intermediate support rolls 8 are respectively arranged on the two adjacent outer sides On the groove formed by the support roll 7, the inner work roll 9 is arranged on the groove formed by the two middle support rolls 8; the outer support roll 9 includes four small support rolls 10, and the outer support roll 7 is divided into four small support rolls After 10, the pressure on the rollers can be distributed to the support frame 4 to prevent the outer support roller 7 from being bent fo...
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The invention relates to the technical field of withdrawal and straightening machines, in particular to a downward-bending roller device. The downward-bending roller device is simple in structure, rollers are reasonably arranged, and the technological requirement can be met. The downward-bending roller device comprises a base, and a supporting seat is arranged on the base; an inclined seat is arranged on the supporting seat, and a supporting frame is arranged on the inclined seat; three outer side supporting rollers, two middle supporting rollers and an inner side working roller are arranged on the supporting frame through bearing pedestals and bearings; and the three outer side supporting rollers are distributed in a V-shaped manner. The two middle supporting rollers are arranged in grooves formed by every two adjacent outer side supporting rollers; and the inner side working roller is arranged in a groove formed by the two middle supporting rollers.
Description
technical field [0001] The invention relates to the technical field of tension leveling machines, in particular to a lower bending roll device. Background technique [0002] The tension leveling machine is widely used. The tension leveling machine base causes the strip to produce tensile bending deformation. The bending roller is used to generate bending stress and produce elastic-plastic extension under the joint action of tensile stress to realize the plastic extension of the steel strip. Eliminate the ternary defect of the steel strip material, because the bending stress of the bending roll is directional on the cross section of the strip steel, and plastic extension is realized on one side. In order to achieve uniform deformation on both sides, two bending rolls with opposite directions must be used , that is, symmetrical upper and lower bending rolls, but the structure of the general bending rolls is unreasonable, and the elastoplasticity of the rolled steel strip is po...
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IPC IPC(8): B21D5/08
CPCB21D5/08
Inventor 虞育麟
Owner 无锡市鸿顺机械制造有限公司