Small-diameter thick wall hot rolling processing system and method

A processing method and processing system technology, applied in the field of steel pipe processing, can solve the problems of small-diameter steel pipe coil production, large steel pipe wall thickness, and low profit, and achieve the goal of improving processing quality and efficiency, increasing processing speed, and scientific design Effect

Inactive Publication Date: 2013-11-27
TIANJIN HAINENG PIPE
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Problems solved by technology

[0002] In modern times, many high-standard thick-walled steel pipes are used in projects such as offshore platforms and bridge construction. At present, due to the large thickness of the steel pipe wall, it is difficult to produce small-diameter steel pipe coils in the processing of thick-walled steel pipes, and it can even be completed with
Customizing small-diameter products requires custom-made molds, which is costly, especially when customizing small-batch small-diameter steel coils, the profit is low and the cost is too high often cannot be produced

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0023] A small-diameter thick-walled hot coil processing system, including a cold press, a trimming machine, a heating furnace, and a rolling machine, the cold press, trimming machine, heating furnace, and rolling machine are arranged in sequence, and the cold pressing There are hoisting and conveying devices installed between the machine, trimming machine, heating furnace and rolling machine, which can quickly transport the coils being processed.

[0024] The above-mentioned rolling machine adopts a three-roll rolling machine, and the guide adjustment of the three pressing rollers of the rolling machine is installed on the frame, and the distance between the pressing rollers can be set according to p...

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Abstract

The invention relates to a small-diameter thick wall hot rolling processing system and method. The processing system comprises a cold press, a head trimming machine, a heating furnace and a rolling machine, which are arranged in sequence, wherein lifting delivering devices are mounted between every two of the cold press, the head trimming machine, the heating furnace and the rolling machine; the rolling machine adopts a three-roller type rolling machine; three pressing rolls of the rolling machine are mounted on a rack in a guide adjusting manner. The small-diameter thick wall hot rolling processing method comprises the following steps: a, sorting; b, stamping; c, head trimming; d, heating; e, rolling; f, surface checking. The processing system is scientific in design, simple in structure, high in reliability, convenient in equipment operation and diversified in function, through the adoption of the processing system and the processing method, the problem that the small-diameter thick wall cold rolling is hard to manufacture is solved; through the adoption of the processing system, various small-diameter steel pipes can be produced, the processing speed can be effectively increased, and the processing quality and the efficiency can be improved.

Description

technical field [0001] The invention belongs to the field of steel pipe processing, in particular to a small-diameter thick-wall hot coil processing system and method. Background technique [0002] In modern times, many high-standard thick-walled steel pipes are used in projects such as offshore platforms and bridge construction. At present, due to the large thickness of the steel pipe wall, it is difficult to produce small-diameter steel pipe coils in the processing of thick-walled steel pipes, and it can even be completed with . Customizing small-diameter products requires custom-made molds, and the cost is high, especially when customizing small-batch small-diameter steel coils, the profit is low and the cost is too high and often cannot be produced. [0003] After searching, the following similar patent technologies were found: [0004] A processing technology for seamless steel pipes (CN102921763A), which is characterized in that it includes the following steps: inspe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/06
Inventor 孔宪存
Owner TIANJIN HAINENG PIPE
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