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Roller changing equipment and method for rolling machine

A technology for rolling mills and equipment, applied to the roll changing equipment and roll changing fields for rolling mills, can solve the problems of improved cost and construction time, complex structure, larger size, etc., to reduce maintenance and management labor, shorten the time, downsizing effect

Inactive Publication Date: 2006-01-18
MITSUBISHI HEAVY IND LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, the structure is very complicated and the size becomes large, and the cost and construction time for improvement increase

Method used

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  • Roller changing equipment and method for rolling machine
  • Roller changing equipment and method for rolling machine
  • Roller changing equipment and method for rolling machine

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Embodiment Construction

[0075] Now, a roll changing apparatus and a roll changing method for a rolling mill according to the present invention will be described by way of preferred embodiments given in a manner that does not limit the present invention with reference to the accompanying drawings.

[0076] [first embodiment]

[0077] figure 1 is a front view of the four-high rolling mill according to the first embodiment of the present invention. figure 2 yes figure 1Sectional view of line II-II. 3(A) to 3(C) are explanatory views of a roll changing process for a four-high rolling mill. In these drawings, with Figure 16 and 17 The same components are assigned the same reference numerals, and repeated descriptions thereof are omitted.

[0078] Such as figure 1 and 2 As shown, a conventional pusher 54 placed on the driving side Ds of the rolling mill stand 51 is used to push out and pull in a pair of upper and lower work rolls 52 and a pair of upper and lower backup rolls 53, and the lower ...

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Abstract

A roll changing apparatus for a four-high rolling mill comprises rails, provided in a rolling mill stand and on a work side of the rolling mill, for incoming and outgoing of a work roll assembly and a backup roll assembly, and a pusher, provided on a drive side or the work side of the rolling mill, for roll admission and withdrawal for both of work rolls and backup rolls. The roll changing apparatus can be modified into a side shift type roll changing apparatus with ease, at a low cost, and in a short time.

Description

[0001] The entire disclosure of Japanese Patent Application No. 2001-234625 filed on Aug. 2, 2001 including specification, claims, drawings and abstract is hereby incorporated by reference in its entirety. technical field [0002] The invention relates to a roll changing device and a roll changing method for rolls in rolling mill equipment Background technique [0003] For example, if Figures 14 to 1 8, roll changing equipment for four-high rolling mills is known. [0004] Figure 14 Denotes a type of roll changing equipment known as a C-shaped roll changing hook system. When replacing the upper and lower work rolls 100, for example, the lower end receiving portion 103 of a C-shaped roll change hook 102 dedicated to the work rolls is matched with the shaft ends of the upper and lower work rolls 100 in the rolling mill stand 104, and the lower end The receiving part 103 is suspended on a hook 101 of the crown block. Then, by operating the crown block, the upper and lower ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B31/10B21B27/00
CPCB21B31/106B21B2203/32B21B31/103Y10T29/49826Y10T29/49815Y10T29/53104Y10T29/49544B21B27/00
Inventor 迎川智山本干朗吉原修
Owner MITSUBISHI HEAVY IND LTD
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