Core rod circulating moving heat preservation equipment and method for plate and strip hot coil box

Abstract

The invention belongs to the field of metallurgical machinery, and relates to core rod circulating moving heat preservation equipment and method for a plate and strip hot coil box. The equipment comprises a bending device, a core rod, a moving roller system, a core rod positioning bracket and a push cylinder, wherein the bending device is configured to coiling hot plates and strips, the core rod is configured to provide an axis for the plates and strips in the coiling process, the moving roller system is configured to fix, move and support the hot plates and strips and / or the core rod, the core rod positioning bracket is configured to provide outer side support for the hot plates and strips in the coiling process, and the push cylinder is configured to axially move the core rod. The problem that irregular roll holes are formed in the plates and strips is solved by circularly moving the core rod and providing a heat preservation heating mode, the coiled plates and strips can be used as finished products, the problem that the ultra-thin, ultra-wide and ultra-long plates and strips cannot be transported is solved, the working procedures of shearing and welding are reduced, and the product use of large special structures (buildings, bridges, ships and the like) is met.

Description

technical field [0001] The invention belongs to the field of metallurgical machinery, and relates to a heat preservation device and method for circularly moving mandrels of a strip hot coil box. Background technique [0002] The current hot coil box has the following problems in the application process: 1) At present, the general hot coil box can only coil hot-rolled strips with a thickness of 30-45mm and a maximum width of about 2300mm, and cannot coil thinner and / or wider strips 2) There is a problem of lowering the temperature of the strip when the hot coil box has a mandrel transfer; 3) When the hot coil box is coiled without a mandrel, the coil is formed due to the irregular shape of the head of the strip impacting the roller system (forming roller) or the guide plate. Eye, when the ultra-thin (thickness 1-30-60mm) ultra-wide (width 500-5500mm) strip forms a steel coil with an irregular size and shape (conical or elliptical cylinder, etc.), the strip will not be rolled ...

AI Technical Summary

Problems solved by technology

[0002] The current hot coil box has the following problems in the application process: 1) At present, the general hot coil box can only coil hot-rolled strips with a thickness of 30-45mm and a maximum width of about 2300mm, and cannot coil thinner and / or wider strips 2) There is a problem of lowering the temperature of the strip when the hot coil box has a mandrel transfer; 3) When the hot coil box is coiled without a mandrel, the coil is formed due to the irregular shape of the head of the strip impacting the roller system (forming roller) or the guide plate. Eye, when the ultra-thin (thickness 1-30-60mm) ultra-wide (width 500-5500mm) strip forms a steel coil with an irregular size and shape (conical or elliptical cylinder, etc.), the strip will not be rolled normally The situation of picking, or quality accidents and other problems will affect the production of the next process of the strip

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