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Reversible cold-rolling equipment and production method thereof

A technology for equipment and strips, applied in the field of reversible cold rolling equipment, can solve the problems of bearing consumption and bearing damage, and achieve the effects of improving the yield, ensuring quality and reducing rolling costs.

Inactive Publication Date: 2013-03-27
唐山一重机械制造有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the six-high rolling mill often causes early damage to the bearings due to excessive axial force of the intermediate rolls, causing a large amount of bearing consumption, which is still a major problem today.

Method used

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  • Reversible cold-rolling equipment and production method thereof
  • Reversible cold-rolling equipment and production method thereof
  • Reversible cold-rolling equipment and production method thereof

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Embodiment Construction

[0032] As shown in FIG. 1, the reversible cold rolling equipment of the present invention includes a main rolling mill, a front tension device 9 located on the front side of the main rolling mill, and a front centering device 8. In order to realize the "no-leader" reversible cold rolling process, an organic post-tension device 11 and a post-mill centering device 12 are also provided on the rear side of the main rolling mill.

[0033] The main rolling mill is an eight-high rolling mill 10, that is, the eight-high rolling mill has two pairs of upper and lower support rolls 10-4 and 10-7 arranged in parallel in the horizontal direction in the rolling mill stand. Work rolls 10-2, 10-5, and an intermediate roll 10-3, 10-6 are installed between the upper and lower pairs of support rolls 10-4, 10-7 and work rolls 10-2, 10-5. The driving rollers of the eight-high rolling mill 10 are the upper middle roll 10-3 and the lower middle roll 10-6. The upper and lower pairs of support rolls 10-4...

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Abstract

The invention discloses reversible cold-rolling equipment, which comprises a main rolling mill, and a front tension device (9), a front alignment device (8), a rear tension device (11) and a rear alignment device (12) positioned on front and rear sides of the main rolling mill. The middle roll of the eight-roll rolling mill is a transmission roll, the transmission side of two lower supporting rolls (10-7) is provided with a lower rolling wire adjusting device connected with an eccentric shaft thereof, and the lower rolling wire adjusting device comprises a box body (20), a driving mechanism and two sets of worm gear transmission mechanisms placed in the box body. The invention also discloses a production method for the reversible cold-rolling equipment, which comprises working roll opening adjustment before rolling, low-speed direct bite of a to-be-rolled strip steel head, high-speed rolling operation and tensioned low-speed rolling operation of a to-be-rolled strip steel tail. The method can meet the bite condition of the rolling mill, realizes a reversible cold-rolling process without leading strip, has high rolling stability and high production efficiency, and is particularly suitable for reversibly cold-rolling thin specification strip steels.

Description

technical field [0001] The invention relates to a reversible cold-rolling equipment, in particular to a reversible cold-rolling equipment for cold-rolling strip steel and a production method thereof. Background technique [0002] The existing reversible cold rolling equipment consists of main rolling mill and uncoiler, straight head straightening machine, coiler, steering device, hydraulic shear, thickness gauge, degreasing device, tension roller device, centering device, feeding roller Auxiliary equipment such as guide plates, lubrication, hydraulic pressure, degreasing and other auxiliary equipment connected to these equipments and their electrical control systems. Wherein: the main rolling mill is a four-high rolling mill or a six-high rolling mill, and the tension device and centering device are arranged on the front side of the main rolling mill. The biggest disadvantage of this reversible cold rolling equipment is low yield and high energy consumption. Among them: th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/32B21B35/08B21B31/20B21B37/48
Inventor 栾绍钧冯志安
Owner 唐山一重机械制造有限公司
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