CN201127948Y

CN201127948Y - Universal medium pattern profiled bar finishing mill group

Info

Publication number: CN201127948Y
Application number: CNU2007200126787U
Authority: CN
Inventors: 冼纪元; 王宪周
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Design and Research Institute Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Design and Research Institute Co Ltd
Priority date: 2007-06-15
Filing date: 2007-06-15
Publication date: 2008-10-08
Anticipated expiration: 2017-06-15

Abstract

The utility model relates to an all-purpose medium shape profiled bar finishing mill group, which comprises seven all-purpose/two-roll switchable rolling mills and three two-roll horizontal rolling mills, wherein, the rolling mills are arranged in sequence in a straight line along the direction of a path, wherein, the first, sixth and ninth rolling mills are two-roll horizontal rolling mills, the second, fourth, seventh and tenth rolling mills are all-purpose/two-roll horizontal switchable rolling mills, the third, fifth and eighth rolling mills are all-purpose/two-roll horizontal rolling mills switchable types; the group adopts the module design method and satisfies the shape continuous production with various kinds and specifications by the combination of different rolling mill modules, that is, simply one production line realizes the process production of almost all the medium shapes such as round steel, angle steel, channel steel, H shape, girder steel and other flanged sections, thereby having strong ability to adapt to market and ensuring that the enterprises can organize the production flexibly according to the market requirements.

Description

Omnipotent medium shape mm finishing mill unit

Technical field

The utility model relates to the rolling of sectional iron production line, relates in particular to a kind of omnipotent medium shape mm finishing mill unit.

Background technology

At present, the reasonable medium shape production line of China mainly contains two kinds of forms:

A kind of production line that is Laiwu medium-sized factory of iron and steel group company from Japanese import.This production line is taken into account I-steel, angle steel, channel-section steel and other flanged section to produce H shaped steel.But owing to do not have vertical miller, can not milling round steel.The rolling mill practice of this production line is: roughing is 1 reversible blooming mill, and finish rolling is 5 universal mill U and 2 tandem rolling units that edging mill E forms.5 universal mill U can be converted to horizontal duo mill H.When producing H shaped steel and other flanged section, mm finishing mill unit is that normal 5 universal mill U and 2 edging mill E form, and promptly the finishing mill arrangement form is U-U-E-U-U-E-U; When producing angle steel, replace 5 universal mill U with 5 horizontal duo mill H and form the tandem rolling unit, 2 empty mistakes of edging mill E.Be that the finishing mill arrangement form is H-H-H-H-H; Can be when producing channel-section steel with to produce angle steel the same, also can be with the tandem rolling pattern of three horizontal duo mill+2 universal mills+1 edging mill composition, promptly the finishing mill arrangement form is H-H-H-U-E-U.

Another kind is the continuous section rolling production line of Tonghua iron and steel group company.The product of this production line is round steel, angle steel, channel-section steel, band steel.Owing to do not have universal mill, can not produce H shaped steel, I-steel and other flanged section.This production line is full layout continuously, and roughing mill is 5 tandem rolling units, and mm finishing mill unit is 9 two roller tandem rolling units.Finishing mill 8 rolling mills when producing round steel, last 1 maked somebody a mere figurehead.8 rolling mills are that horizontally and vertically alternative is arranged, i.e. H-V-H-V-H-V-H-V arrangement form, and V represents vertical duo mill.Finishing mill is for horizontally disposed full when producing other shaped steel, i.e. H-H-H-H-H-H-H-H-H arrangement form, and all vertical millers all are flat upright convertible milling trains.

This shows that above-mentioned two kinds of production lines all have deficiency.First kind of production line can not milling round steel, and second kind of production line can not rolling H shaped steel, I-steel and other flanged section.If production the said goods needs 2 production lines at least.

Summary of the invention

In view of the existing in prior technology deficiency, the utility model aims to provide a kind of omnipotent medium shape mm finishing mill unit, promptly can produce round steel, angle steel, channel-section steel with a production line, can produce H shaped steel, I-steel and other flanged section again, make production line can produce nearly all medium shape.

Technical solution of the present utility model is achieved in that

A kind of omnipotent medium shape mm finishing mill unit, it is characterized in that comprising 7 omnipotent/convertible milling trains of two rollers and 3 two roller horizontal mills, described milling train is in one line in order along the rolling line direction, wherein the 1st, 6,9 rolling mills are two roller horizontal mills, 2nd, 4,7,10 rolling mills are the interchangeable type of the flat upright conversion milling train of omnipotent/two rollers, and the 3rd, 5,8 rolling mills are omnipotent/interchangeable type of two roller horizontal mills;

Described omnipotent/the two rollers flat upright conversion interchangeable type of milling train and omnipotent/interchangeable type of two roller horizontal mills, be not change the conversion that rolling mill transmission system is realized U/H/V or U/H type by changing movement, wherein, universal mill is represented with U, two roller horizontal mills represent that with H two roller vertical mills are represented with V;

Described unit comprises following four kinds of arrangements:

(a) be to be the combination of 7 universal mill U and 3 two roller horizontal mill H, the unit arrangement form is H-U-U-U-U-H-U-U-H-U, promptly omnipotent production model;

(b) for duo mill flat-combination that grade separation replaces, the unit arrangement form is H-V-H-V-H-V-H-V, the empty mistake of other milling train;

(c) be the combination of whole two roller horizontal mills, the unit arrangement form is H-H-H-H-H-H-H-H-H-H;

(d) on the basis of (c), last 3 rolling mills adopt omnipotent production model, and promptly the arrangement form of unit is H-H-H-H-H-H-H-U-H-U.

The utility model carries out the modularized design mode with milling train, and mm finishing mill unit is made up of 7 omnipotent/convertible milling trains of two rollers and 3 two roller horizontal mills.Omnipotent/convertible milling train of two rollers has the ability that the flat upright convertible milling train of two rollers is installed, and can be converted to universal mill again, aborning, according to the needs of production technology, keeps the transmission system of milling train motionless, only needs to change movement and can realize above-mentioned conversion; Thereby various shaped steel production technologies have ideally been solved to the contradiction between the difference requirement of milling train arrangement form.

Compared to existing technology, technique effect of the present utility model is conspicuous: promptly realized comprising round steel, angle steel, channel-section steel, H shaped steel, I-steel and other flanged section with a production line, the processing of nearly all medium shape, so have very strong market adaptability, make enterprise organize production flexibly according to the market demand.

Description of drawings

The layout schematic diagram of mm finishing mill unit when Fig. 1 produces various different shaped steel for the utility model.

The specific embodiment

Finishing mill of the present utility model is made up of 7 omnipotent/convertible milling trains of two rollers and 3 two roller horizontal mills, adopts the modularized design mode, by the combination of different milling train modules, can satisfy the shaped steel of many kinds, many specifications and produce continuously.7 omnipotent/convertible milling trains of two rollers according to different products rolling requirement carry out the configuration of multi-form milling train, promptly keep the constant mode of rolling mill transmission system by changing movement, realize the conversion of U/H/V or H/V, described duo mill has the upright two kinds of forms of convertible milling train of horizontal mill peace.It is shared when 3 two roller horizontal mills are produced all products.

Require finishing mill that universal mill and two roller horizontal mills are arranged when producing in view of H shaped steel, I-steel and other flanged section; Require the existing two roller horizontal mills of finishing mill when round steel is produced, two roller vertical mills are arranged again, two roller horizontal mills and two roller vertical mills are alternately arranged; Requiring finishing mill when angle steel, channel-section steel production is two roller horizontal mills entirely; It is the universal rolling pattern that channel-section steel also can adopt last 3 rolling mills, and the utility model can comprise following four kinds of schemes commonly used, as shown in fig. 1:

(1) during the flanged shaped steel of rolling H shaped steel, I-steel and other, adopt 7 universal mill+3, two a roller horizontal mill rolling, promptly omnipotent production model, the unit arrangement form is H-U-U-U-U-H-U-U-H-U, shown in Fig. 1 (a);

(2) rolling with duo mill during milling round steel, milling train along the rolling line direction for flat-grade separation for arranging.The unit arrangement form is H-V-H-V-H-V-H-V, shown in Fig. 1 (b), and the empty mistake of other milling train;

(3) it is rolling that rolling angle iron, channel-section steel are all used two roller horizontal mills, and promptly the unit arrangement form is H-H-H-H-H-H-H-H-H-H, shown in Fig. 1 (c);

(4) during rolling channel steel, last 3 also can be adopted omnipotent production model, and the unit arrangement form is H-H-H-H-H-H-H-U-H-U, shown in Fig. 1 (d).

Claims

1. omnipotent medium shape mm finishing mill unit, it is characterized in that comprising 7 omnipotent/convertible milling trains of two rollers and 3 two roller horizontal mills, described milling train is in one line in order along the rolling line direction, wherein the 1st, 6,9 rolling mills are two roller horizontal mills, 2nd, 4,7,10 rolling mills are the interchangeable type of the flat upright conversion milling train of omnipotent/two rollers, and the 3rd, 5,8 rolling mills are omnipotent/interchangeable type of two roller horizontal mills;

Described omnipotent/the two rollers flat upright conversion interchangeable type of milling train and omnipotent/interchangeable type of two roller horizontal mills, be not change the conversion that rolling mill transmission system is realized U/H/V or U/H type by changing movement, wherein, universal mill is represented with U, two roller horizontal mills represent that with H two roller vertical mills are represented with V.

2. omnipotent medium shape mm finishing mill unit according to claim 1 is characterized in that: described unit is the combination of 7 universal mill U and 3 two roller horizontal mill H, and the unit arrangement form is H-U-U-U-U-H-U-U-H-U.

3. omnipotent medium shape mm finishing mill unit according to claim 1 is characterized in that: described unit be duo mill flat-combination that grade separation replaces, the unit arrangement form is H-V-H-V-H-V-H-V, other milling train comprises the 5th and the 8th rolling mill sky mistake.

4. omnipotent medium shape mm finishing mill unit according to claim 1 is characterized in that: described unit is the combination of whole two roller horizontal mills, and the unit arrangement form is H-H-H-H-H-H-H-H-H-H.

5. omnipotent medium shape mm finishing mill unit according to claim 1, it is characterized in that: described unit is the combination that comprises 8 two roller horizontal mills and 2 universal mills, described 2 universal mills are the 8th rolling mill and the 10th rolling mill, and promptly the arrangement form of unit is H-H-H-H-H-H-H-U-H-U.