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Progressive hot bending threading device and method

A progressive, belt-threading technology, applied in the field of iron and steel metallurgy, can solve the problems of hot-bending steel temperature reduction, high risk, and long time consumption, and achieve the effect of ensuring temperature requirements

Pending Publication Date: 2019-05-10
CISDI ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the very high temperature of the hot-bending section steel, the hot-bending forming process adopts the manual belt threading method, which is inconvenient to operate, high in risk, and takes a long time, which leads to a decrease in the temperature of the hot-bending section steel and affects the production of the entire hot-bending section

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  • Progressive hot bending threading device and method
  • Progressive hot bending threading device and method
  • Progressive hot bending threading device and method

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Embodiment Construction

[0029] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0030] It should be noted that terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.

[0031] Such as figure 1 Shown is a schematic diagram of the changing trend of the section of the hot-bending channel steel (and the cross section of each rack). The direction of the arrow is the product forming direction. The pass pattern of the frame corresponds to the sectio...

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Abstract

The invention discloses a progressive hot bending threading device and method. The progressive hot bending threading device is used for the threading of a hot bent steel between adjacent frames of a hot bending forming assembly. The progressive thermal bending threading device comprises an inner guiding device for supporting the inner surface of the hot bent steel and an outer guiding device for supporting an outer surface of the hot bent steel; a threading passage is formed between the inner guiding device and the outer guiding device; an inlet section of the threading passage is fitted witha hole-shaped section of a front frame; an outlet section of the threading passage is fitted to a hole-shaped section of a rear frame; and a progressive transition section is arranged from an inlet toan outlet of the threading passage. According to the progressive thermal bending threading device, the inlet section is gradually changed to the outlet section to be fitted with the hole-shaped section of the corresponding frames, the threading of the hot bent steel between every frames of the hot bending forming assembly is achieved by limiting and guiding of the inner guiding device and the outer guiding device in the threading process, so that the temperature requirements in the whole hot bending process is met.

Description

technical field [0001] The invention belongs to the technical field of iron and steel metallurgy, and in particular relates to a progressive hot bending belt threading device and method. Background technique [0002] Using high-temperature steel strip (steel plate) as raw material, the roll forming process is used to produce section steel, that is, the hot bending forming process, which is quite different from the cold forming process at room temperature. Cold-bending forming process, belt threading between racks without a threading guide device, manual threading is used. Due to the very high temperature of the hot-bending section steel, the hot-bending forming process adopts the manual belt threading method, which is inconvenient to operate, high in risk, and takes a long time, which leads to a decrease in the temperature of the hot-bending section steel and affects the entire production of hot-bending forming. Contents of the invention [0003] In view of the above-ment...

Claims

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Application Information

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IPC IPC(8): B21B39/14
Inventor 王洪春李宏图沈继刚张金刚邓玉孙
Owner CISDI ENG CO LTD
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