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Device for online shearing defect strip steel and shearing method thereof

A strip steel defect technology, applied in the field of online splitting and shearing defect strip steel equipment, can solve the problems of increasing the cost per ton of steel, cost waste, etc., and achieve the effect of avoiding waste and reducing production costs

Pending Publication Date: 2018-11-16
HEBEI IRON AND STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The uncoiling and secondary coiling in the recoiling process will inevitably cause a certain degree of surface scratches on the corresponding strip steel. In addition, the recoiling process also increases the corresponding steel cost by more than 30 yuan per ton
If the strip steel with surface defect is processed online, no matter how long the strip steel with surface defect is, it can only be broken into scrap steel by flying shears for recycling, which also causes a lot of cost waste

Method used

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  • Device for online shearing defect strip steel and shearing method thereof
  • Device for online shearing defect strip steel and shearing method thereof

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing, the present invention will be further described by examples.

[0018] Refer to attached figure 1 , 2 , a device for on-line splitting and shearing defective strips, comprising a splitting machine 2, a coiling pinch roll, a coiler, a defective strip pinch roll 4, a blanking chute pinch roll A5, a blanking chute 7 and a plate Strip inspection table 13, on the rolling line of cold-rolled strip steel, there are strip inspection table 13, splitting and shearing machine 2, coiling pinch roll, coiler, defective strip steel pinching in sequence according to the moving direction of the strip steel Roller 4, blanking trough pinch roll A5 and blanking chute 7, the coiler is located below the rolling line.

[0019] In this embodiment, the dividing shearer 2 and the coiler are common equipment in cold rolling production. The dividing shearer 2 has the function of fixed weight or fixed length cutting, and can be directional conveyed a...

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Abstract

The invention relates to a device for online shearing defect strip steel and a shearing method thereof and belong to the technical field of cold rolling strip steel production equipment of metallurgical industry. According to the technical scheme, the device for online shearing the defect strip steel comprises shearing machines (2), coiling and pinch rollers, a coiling machine, defect strip steelpinch rollers (4), blanking groove pinch rollers A (5), a blanking groove (7) and a plate and strip examining table (13). The plate and strip examining table (13), the shearing machines (2), the coiling and pinch rollers, the coiling machine, the defect strip steel pinch rollers (4), the blanking groove pinch rollers A (5) and the blanking grove (7) are arranged in sequence in the cold rolling strip steel rolling line according to the motor direction of the strip steel. The coiling machine is located below the rolling line. The device for online shearing defect strip steel has the beneficial effects that when surface defects of the strip steel is discovered in the cold rolling production process, strip steel with surface defects can be excised timely; retreatment after entering the recoiling procedure is avoided; production cost is lowered; besides, the strip steel with surface defects can be reused after being machined through processing equipment for defect strip steel; and waste isavoided.

Description

technical field [0001] The invention relates to an online device for dividing and shearing defective strip steel and a dividing and shearing method thereof, belonging to the technical field of cold-rolled steel strip production equipment in the metallurgical industry. Background technique [0002] In the production process of cold-rolled strip steel, surface defects such as pitting, cracks, and zinc flow lines often appear on the strip steel. After off-line, it enters the recoiling process, and the strip steel with surface defects is cut off in the recoiling process. Uncoiling and secondary coiling in the recoiling process will inevitably cause a certain degree of surface scratches on the corresponding strip steel. In addition, the recoiling process also increases the corresponding steel cost by more than 30 yuan per ton. If the strip steel with surface defect is processed online, no matter how long the strip steel with surface defect is, it can only be broken into scrap st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B15/00B21B38/00
CPCB21B15/0007B21B38/00B21B2015/0057
Inventor 王新东李建新孙力刘需杨丽芳
Owner HEBEI IRON AND STEEL
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