Strip mill of using combined type hydraulic cylinder of bending roller

A hydraulic cylinder and composite technology, applied in the direction of metal rolling stand, metal rolling mill stand, metal rolling, etc., can solve the problems of difficult maintenance, many pipelines, many fault points, etc. The effect of small number of roads and convenient roll change

Active Publication Date: 2007-12-26
大连华锐重工特种备件制造有限公司
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AI Technical Summary

Problems solved by technology

[0003] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to research and design a new type of strip mill that adopts a composite bending hydraulic cylinder, thereby solving the problem caused by the large number of hydraulic cylinders existing in the prior art. Many pipelines, many fault points, difficult maintenance and other problems

Method used

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  • Strip mill of using combined type hydraulic cylinder of bending roller
  • Strip mill of using combined type hydraulic cylinder of bending roller
  • Strip mill of using combined type hydraulic cylinder of bending roller

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Embodiment Construction

[0033] Concrete embodiment of the present invention is shown in accompanying drawing, adopts the strip mill of compound type bending roll hydraulic cylinder to only use four compound type bending roll hydraulic cylinders 18, is respectively installed on the upper, In the central circular hole of the fixed block 4 between the lower work roll chocks 12 and 13, it can float up and down and expand and contract. The four composite bending roll hydraulic cylinders have the same structure, see accompanying drawing 2 and accompanying drawing 8. Each compound bending hydraulic cylinder is mainly composed of oil inlet plate 1, upper platen 2, support plate 3, fixed block 4, cylinder body 5, piston rod 6, lower platen 7, connecting rod 8, guide key 9, spherical pad 10 And other parts, see accompanying drawing 1, accompanying drawing 7.

[0034] Whole rolling mill is that upper work roll 14 and lower work roll 15 are installed in the middle part of archway 11 by upper work roll chock 12 a...

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Abstract

The invention relates to a hoop rolling mill that adopts compound bowed roller hydro-cylinder. The upper and down working rollers of rolling machine are installed in the middle of the housing window through upper and down roller base. The hydro-cylinder is installed between upper and down roller base. The structure contains four compound bowed roller hydro-cylinders. Upper and lower ends of the hydro-cylinder identity are installed upper pressure board and down pressure board, which has piston rod and connecting stick. While working, the upper pressure board holds the upper working roller shaft base and the down pressure board holds the down working roller shaft base. The invention has the advantages of novel structure, small maintaining working and convenient to replace the roller.

Description

technical field [0001] The strip steel rolling mill adopting the composite bending roll hydraulic cylinder of the present invention belongs to the hot rolling strip steel equipment in the metallurgical industry. Background technique [0002] At present, the traditional strip mill in the metallurgical industry is composed of upper and lower work rolls, upper and lower support rolls, archways, upper and lower work roll chocks, and hydraulic cylinders. The upper and lower work roll chocks are respectively supported by hydraulic cylinders, and two hydraulic cylinders need to be arranged side by side at the entrance or exit side of each work roll chock. When the hydraulic cylinder is working, the cylinder head bears against the bearing seat of the work roll. Since the work roll is supported by the upper and lower support rollers, the bearing seat is subjected to the jacking force of the hydraulic cylinder, forcing the work roll to bend. When the curved work roll is working in th...

Claims

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Application Information

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IPC IPC(8): B21B31/32B21B13/02
Inventor 张永林马强
Owner 大连华锐重工特种备件制造有限公司
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