Mould flat steel continuous reversible rolling machine unit and mould flat steel rolling method

A technology for rolling mills and flat steel, which is applied in the field of continuous reversible rolling mills for die flat steel and die flat steel rolling. It can solve the problems of specification restrictions, large energy consumption, and low dimensional accuracy, and achieve increased size and scope. , reduce energy consumption, and meet the effect of product quality accuracy

Active Publication Date: 2017-03-22
DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] According to the technical problems raised above, a continuous reversible rolling mill for die flat steel and a method for rolling die flat steel are provided, which are used to solve the existing die flat steel production line, which has the advantages of low product size accuracy, large energy consumption, and limited specifications. The disadvantages of the limitation

Method used

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  • Mould flat steel continuous reversible rolling machine unit and mould flat steel rolling method
  • Mould flat steel continuous reversible rolling machine unit and mould flat steel rolling method
  • Mould flat steel continuous reversible rolling machine unit and mould flat steel rolling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] Example 1, such as figure 1 , Figure 3 to Figure 6 , Figure 8 with Figure 9As shown, a continuous reversible rolling mill for die flat steel comprises vertical rolling mill and horizontal rolling mill; described vertical rolling mill comprises vertical rolling mill I1 and vertical rolling mill II3; described horizontal rolling mill comprises horizontal rolling mill I2 and horizontal rolling mill Rolling mill II4; the vertical rolling mill I1, the horizontal rolling mill I2, the vertical rolling mill II3 and the horizontal rolling mill II4 are arranged in sequence according to the rolling direction on the horizontal working surface; the vertical rolling mill I1, the horizontal rolling mill I2, the vertical rolling mill The adjacent rolling mills of the rolling mill II3 and the horizontal rolling mill II4 are connected and fixed by connecting frames.

[0097] Both sides of the horizontal rolling mill I2 and the horizontal rolling mill II4 are respectively provided ...

Embodiment 2

[0100] Example 2, such as figure 1 , Figure 3 to Figure 6 , Figure 8 and Figure 9 As shown, a die flat steel rolling method using the continuous reversible rolling mill for die flat steel of Embodiment 1, setting vertical rolling mill I1, horizontal rolling mill I2, vertical rolling mill II3 and horizontal rolling mill II4 as E1, F1 respectively , E2 and F2.

[0101] - The first rolling pass: rolling through E1, F1, E2 and F2 in sequence, the specific steps are as follows:

[0102] S1. First distribute the reductions of E1, F1, E2 and F2 four-stand rolling mills according to regulations, and then use a certain load distribution calculation method to determine E1, F1, E2 and F2 The thickness of the outlet plate of each rack;

[0103] S2. Calculation and verification of bite angle;

[0104] S3. Determine the entrance speed of the F2 frame according to regulations and table look-up methods;

[0105] S4, with the F2 frame as the benchmark, use the flow constant law to c...

Embodiment 3

[0127] Example 3, such as Figure 1 to Figure 9 As shown, a continuous reversible rolling mill for die flat steel comprises vertical rolling mill and horizontal rolling mill; described vertical rolling mill comprises vertical rolling mill I1 and vertical rolling mill II3; described horizontal rolling mill comprises horizontal rolling mill I2 and horizontal rolling mill Rolling mill II4; the vertical rolling mill I1, the horizontal rolling mill I2, the vertical rolling mill II3 and the horizontal rolling mill II4 are arranged in sequence according to the rolling direction on the horizontal working surface; the vertical rolling mill I1, the horizontal rolling mill I2, the vertical rolling mill The adjacent rolling mills of the rolling mill II3 and the horizontal rolling mill II4 are connected and fixed by connecting frames.

[0128] Both sides of the horizontal rolling mill I2 and the horizontal rolling mill II4 are respectively provided with a group of guide mechanisms; the gui...

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Abstract

The invention discloses a mould flat steel continuous reversible rolling machine unit and a mould flat steel rolling method. The mould flat steel continuous reversible rolling machine unit comprises vertical rolling mills and horizontal rolling mills, wherein the vertical rolling mills comprise a vertical rolling mill I and a vertical rolling mill II; the horizontal rolling mills comprise a horizontal rolling mill I and a horizontal rolling mill II; and the vertical rolling mill I, the horizontal rolling mill I, the vertical rolling mill II and the horizontal rolling mill II are arranged on a horizontal working surface sequentially according to a rolling direction. According to the mould flat steel continuous reversible rolling machine unit and the mould flat steel rolling method, which are provided by the invention, production of multi-size large-size mould flat steel and square steel with the thickness being 6 to 300 mm and the width being 100 to 1000 mm is realized by one production line, the quality precision of products is met, energy consumption is reduced, and the size and the range of the products are enlarged. Therefore, high market adaptive capability is achieved, and enterprises can organize production flexibly according to the market requirements and create more economic benefits.

Description

technical field [0001] The invention relates to a mold flat steel production line, a mold flat steel continuous reversible rolling unit and a mold flat steel rolling method. Background technique [0002] At present, the technical characteristics of domestic mold flat steel production: [0003] One is independent design: the production process of a single-stand (that is, a rolling mill) universal reversible rolling mill is adopted. One of the disadvantages of this rolling process is the low dimensional accuracy of the product, such as Figure 10 As shown, the R value and C value of the key index flat steel are generally above 2.5mm, and cutting processing is required when it is actually used for mold making. [0004] The second is that there are many rolling passes, which requires two fires to become talented, and consumes a lot of energy. [0005] The second is to introduce a production line: rough rolling 650 blanking machine, connected to the production process of five-st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/08B21B39/16B21B39/12B21B39/20B21B37/48B21B37/58B21B37/74
CPCB21B1/0805B21B37/48B21B37/58B21B37/74B21B39/12B21B39/16B21B39/20
Inventor 冼纪元邢思深
Owner DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND
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