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Combined pipe cutting method and system

A combined method and pipe cutting technology, which is applied in pipe shearing devices, shearing devices, manufacturing tools, etc., can solve the problems of high cost and large amount of steel material, and achieve the goals of reducing loss, improving product quality, and reducing production costs. Effect

Active Publication Date: 2021-12-10
NORTH CHINA GASOLINEEUM STEEL PIPE
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a pipe cutting combination method and system, aiming to solve the problem of setting a margin on each steel pipe, but this also results in a large amount of steel material used, which ultimately leads to a higher cost

Method used

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  • Combined pipe cutting method and system

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Embodiment approach

[0060] As a specific embodiment of the pipe cutting combination method provided by the present invention, the calculation formula of the target steel pipe length is:

[0061] L 5 = L 2 -(m-1)×L 4

[0062] Among them, L 5 Indicates the target steel pipe length, and m indicates the number of steel coils.

[0063] In this application, the spiral steel pipe is produced continuously, so multiple steel coils need to be connected end-to-end to form a whole. Finally, when there is a butt joint at the pipe end of the cut steel coil, it needs to be cut off, which results in a shorter final length of the steel pipe. If m steel coils are connected end-to-end, a total of m-1 steel coil pairs will be generated. For this reason, in this application, on the basis of the total length, the m-1 lengths of the opposite heads are subtracted, that is, the arrangement and combination of the steel pipe cutting sequence is carried out under the condition that the opposite ends have been cut off,...

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Abstract

The invention provides a pipe cutting combination method and system, which belong to the technical field of steel pipe cutting. The pipe cutting combination method includes: removing the opposite length from the total length, and using the removed result as the target steel pipe length; combining multiple unit lengths with multiple arrays One-to-one correspondence of elements, multiple array elements are randomly combined to determine multiple pipe cutting schemes, and the total length of pipe cutting corresponding to multiple array elements in the pipe cutting scheme is calculated. Calculate the minimum distance value between the pipe end of each prefabricated steel pipe in the scheme to be tested and the opposite end of the steel coil, and add the multiple minimum distance values ​​determined in each scheme to be tested to determine the total deviation value. The scheme to be tested corresponding to the smallest total deviation value is taken as the target pipe cutting scheme. The present application also provides a pipe cutting system. The pipe cutting combination method and system provided by the present invention can find the optimal pipe cutting scheme on the basis of determining the length of the steel coil and the position of the opposite end of the steel coil, which reduces the loss of the steel coil, improves the product quality of the steel coil, and reduces the production cost.

Description

technical field [0001] The invention belongs to the technical field of steel pipe cutting, and more specifically relates to a pipe cutting combination method and system. Background technique [0002] In the one-step production process of spiral welded pipe, after the steel pipe is formed by internal and external welding, it needs to be cut into steel pipes of different unit lengths by pipe cutting equipment, and transported to the steel pipe finishing area to be processed into qualified steel pipes. In this process, it is necessary to adjust the position of the length, confirm the value of the length of the length, synchronize the pipe cutting accompanying mechanism, start and stop the cutting arc, and quickly disengage the conveying roller table. [0003] Since each steel coil can be made into different lengths of steel pipes, and the steel pipes are produced continuously, multiple steel coils need to be connected end-to-end. After the steel pipe is cut, it is necessary to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D21/00B23D33/00
CPCB23D21/00B23D33/00
Inventor 周书亮孙志刚张世平李汝江赵宝刚王爱如王远征崔明亮李建明邓志伟谷传龙郭晓东魏耀华刘长宏巩忠禄
Owner NORTH CHINA GASOLINEEUM STEEL PIPE
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