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Band steel welding system

A welding system and strip steel technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., to achieve the effect of solving the escape of the tail of the strip steel, stabilizing the quality of the weld, and reducing the probability of weld fracture

Inactive Publication Date: 2017-02-15
PANGANG GRP PANZHIHUA STEEL & VANADIUM
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, by manually lowering the set tension value of the inlet looper, there is still a phenomenon that the strip slips into the looper

Method used

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  • Band steel welding system
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Embodiment Construction

[0013] Hereinafter, a strip welding system according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0014] In the conventional strip welding process, in order to increase the overlapping amount of the strip on the exit side of the welder, when the strip tail is positioned, a certain amount of strip is stored on the exit side of the welder by jogging the tension roller. During this process, the tail of the strip steel may slip into the looper due to the influence of the tension of the looper, especially for products with thicker specifications and thinner specifications, the sliding phenomenon is particularly obvious. The present invention uses the existing function of the looper device at the outlet side of the welding machine to detect and calculate the remaining amount of the tail of the strip during the uncoiling process, and automatically stores the amount of strip steel required for the welding ...

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Abstract

The invention provides a band steel welding system. The band steel welding system comprises a welding machine, welding machine inlet section equipment, a welding machine inlet section equipment main controller, a hydraulic cutter and a tension roller pressing system and further comprises a welding machine main controller and a welding machine outlet side loop device. The welding machine main controller is used for controlling the welding machine outlet side loop device to store the amount of tail band steel needed by the welding process. According to the band steel welding system, the welding machine outlet side loop device automatically stores the amount of the tail band steel needed by the welding process, the problem of band steel tail escaping is solved, achieving of the amount of overlap in the welding process is ensured, the welding seam quality is further stabilized, and the fracturing probability of welding seams is greatly decreased.

Description

technical field [0001] The invention relates to the technical field of strip steel welding, in particular to a strip steel welding system. Background technique [0002] When the strip steel of the continuous hot-dip galvanizing unit is welded, the positioning of the strip tail is affected by the tension of the inlet looper, and the tail of the strip steel tends to slide towards the looper. If the sliding amount is small, when the welding process is performed, the actual overlapping amount of the drive side of the weld seam may be slightly smaller than the set value, resulting in unqualified welding process. If the sliding amount of the tail of the strip is large and exceeds the strength provided by the tension roller, the tail of the strip will directly slip into the looper, which will seriously affect the production order. Especially when the product thickness specification is greater than 2.0mm or less than 0.5mm, the phenomenon that the tail will slip into the looper is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02B23K37/00B23P15/00
CPCB23K31/02B23K37/00B23K2101/18B23P15/00
Inventor 史剑谭勇李元军
Owner PANGANG GRP PANZHIHUA STEEL & VANADIUM
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