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Strip head shearing and butt welding method and shearing and butt welding platform

A butt welding and platform technology, applied in other manufacturing equipment/tools, manufacturing tools, etc., can solve the problems of high raw material cost, large raw material, waste, etc., and achieve the effects of improving production efficiency, rational use, and saving raw materials

Pending Publication Date: 2022-02-18
龚海涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The applicant aims at the disadvantages of the above-mentioned existing steel strip head shear butt welding treatment, the pits at both ends of the butt weld will cause a large waste of raw materials, high raw material costs, etc., to provide a reasonable head shear butt welding method and Cut the butt welding platform to prevent pits at both ends of the butt weld, saving raw materials and reducing raw material costs

Method used

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  • Strip head shearing and butt welding method and shearing and butt welding platform
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  • Strip head shearing and butt welding method and shearing and butt welding platform

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Effect test

Embodiment 1

[0033] Such as figure 1 , figure 2 As shown, it is the shear butt welding platform of the present invention, its base 1 is a cuboid frame platform, the long frame is located at the front and rear sides, the short frame is located at the left and right sides, the rear end of the base 1 is the input end of the steel strip 20, and the front end is the The output end of the steel belt 20, the steel belt 20 is conveyed forward with the direction perpendicular to the central axis 23 of the short frame; as figure 1 As shown, a bracket 8 is provided above the base 1 at a certain distance from the top surface of the base 1, and a screw 9 is arranged on the bracket 8, and the screw 9 is connected with the driving device (not shown in the figure), and the screw 9 is connected There are several second slide blocks 16, the second slide block 16 is fixedly connected with the slide block 10, and the screw mandrel 9 drives the slide block 10 to move left and right by the second slide block ...

Embodiment 2

[0038] Such as image 3 As shown, according to the actual installation space of the production workshop, the shearing butt welding platform according to the present invention can also arrange the milling and flattening station separately, instead of being set on the same base 1 together with the shearing station and the welding station The front and rear sides of the base 1 are provided with a supporting device 19, the base 1 is provided with a cutting station and a welding station, the upper cutter 7 and the welding torch 12 are set on the slide 10, and the outer side of the supporting device 19 at the output end of the base 1 is set Milling machine 24, the milling cutter 13 and the third groove 15 are set on the milling machine 24, and after the strip head of the steel strip 20 rolled forward and backward is cut and welded on the base 1, it is transported to the milling machine 24 by the supporting device 19 for welding. 22 milling to complete the whole process.

[0039] In...

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Abstract

The invention discloses a strip head shearing and butt welding method and a shearing and butt welding platform. The strip heads of a front coil steel strip and a rear coil steel strip are sequentially subjected to shearing, welding blocking and milling treatment; in the shearing step, the strip heads of the front and rear coil steel strips are sheared by adopting a cutter to form shear lines; the shear lines are subjected to butt joint and then subjected to blocking welding, and during blocking welding, during welding, molten steel is intercepted at the two open ends of the butt-joint shear lines through blocking structures; and in the milling step, a milling cutter is used for milling a welding seam formed by welding. According to the method, the strip head of the front coil steel strip and the head of the rear coil steel strip are treated by adopting a beveling-plugging welding-milling method, so that on the basis of reducing sinking of the opening ends, the two opening ends are intercepted by adopting the stop blocks to form plugging welding, the collapse of the opening ends of welding seams is avoided, and it is ensured that the butt joint position of the steel strips does not have the sinking phenomenon; and therefore, pits cannot be formed after the steel strip is subsequently welded and formed, raw materials are saved, the cost of the raw materials is reduced, and the yield of the raw materials is improved.

Description

technical field [0001] The invention relates to the technical field of welded pipe production, in particular to a butt shear welding method and a shear butt welding platform for steel strips. Background technique [0002] Welded pipe is welded steel pipe, which is a steel pipe made of steel plate or strip steel after crimping and welding. In the welded pipe production line, in order to meet the continuity of production, a shearing butt welding device is usually used to cut the leading ends of the front and rear steel strips neatly and then weld them to form a continuous steel strip, which is conducive to making full use of raw materials and facilitating continuous production. sex. [0003] The butt weld is formed after the steel strip head is sheared butt welded, and the arc starting point and arc landing point of the butt weld often have a concave weld, that is, there will be depressions and openings at both ends of the butt weld. That is to say, on the formed continuous ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/04
CPCB23P23/04
Inventor 龚海涛
Owner 龚海涛
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