CN105251767B - A kind of steel finishing stand system - Google Patents
A kind of steel finishing stand system Download PDFInfo
- Publication number
- CN105251767B CN105251767B CN201510795641.5A CN201510795641A CN105251767B CN 105251767 B CN105251767 B CN 105251767B CN 201510795641 A CN201510795641 A CN 201510795641A CN 105251767 B CN105251767 B CN 105251767B
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- Prior art keywords
- collars
- frame
- external diameter
- groups
- finished product
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of steel high speed finishing stand system, including the linearly aligned uniform rolling collars of n groups, wherein the preceding n/2 groups collars first contacted with steel raw material is isometrical collars, isometrical collars external diameter is d1, in the n/2 group collars contacted afterwards with steel raw material, finished frame collars and finished product forebay collars external diameter are d3, remaining sortie collars external diameter is d2, and d1>d2<d3；As optimization, d3=d1；After the completion of first round use, the external diameter reconditioning quality Δ of finished frame collars and finished product forebay collars3, remaining sortie collars reconditioning quality Δ2 or 1=（d2 or 1/d3）XΔ3；Poor equal≤the 0.04mm of roll neck between finished frame collars and finished product the forebay collars, between remaining sortie collars and between the preceding isometrical collars of n/2 groups；The present invention not only increases single groove amount of rolling of collars, and reduces and shut down roll change number, improves production efficiency, reduces labor intensity.
Description
Technical field
The present invention relates to a kind of steel high speed finishing mill, especially its machine frame system.
Background technology
The successful application of high speed wire rod finishing block so that the quality and efficiency of wire production are greatly improved.At a high speed
Finishing mill is generally made up of 10 frames, group drive, rolled piece is plastically deformed, the production of shape needed for acquisition and performance
Product.The each frame of high speed finishing mill is provided with paired collars.The collars directly contacts in the operation of rolling with rolled piece, experiences a shock
Power, plastic deformation resistance, high temperature transmission and cooling water cooling, dielectric corrosion, crackle is easily formed on groove surface and is ground
Damage.Repaired at this time, it may be necessary to carry out machining to groove, carry out the reuse of next one.In two pairs of rollers looping mill rolling groove more
, it is necessary to stop the operating of milling train when changing, operating rate of rolling mill have impact on.Therefore, collars stream time is high line production efficiency
Key factor.
Generally for collars stream time is improved, i.e., single collars list groove amount of rolling, select the higher material of hardness.
Although the hardness of collars material improves, single collars list groove steel transportation amount can be increased, chip off-falling, the accident of fragmentation easily occurs.
Except being improved in terms of collars material, such as Chinese patent " a kind of tungsten carbide roll "（200910220038.9）, have plenty of
By improving mill drive mode, such as Chinese patent " single transmission mill "（201320544138.9）, but no matter which kind of method,
Existing steel high-speed wire rolling machine frame system is rolled using the linearly aligned uniform rolling collars of n groups, is had
It is that n group collars is all isometrical, it is d to have plenty of preceding n/2 groups collars external diameter1, rear n/2 groups collars（Including finished frame collars and
Finished product forebay collars）External diameter is d2, d1>d2, both mode finished frame collars and finished product forebay collars list groove cross steel
Amount is significantly lower than remaining sortie collars list groove steel transportation amount, it is necessary to frequently change rolling for finished product frame roller ring and finished product forebay collars
Groove, it is therefore desirable to frequent shutdown roll change groove, have impact on operating rate of rolling mill.
The content of the invention
The present invention provides a kind of steel high speed finishing stand system, enters from the arrangement mode for changing rolling collars with external diameter
Hand, single groove amount of rolling of collars can be not only improved, and reduce and shut down roll change number, improved production efficiency and reduction work is strong
Degree.
The steel finishing stand system of the present invention, including the linearly aligned uniform rolling collars of n groups, wherein elder generation and steel
The preceding n/2 groups collars of raw material contact is isometrical collars, and isometrical collars external diameter is d1, the n/2 group collars that is contacted afterwards with steel raw material
In, finished frame collars and finished product forebay collars external diameter are d3, remaining sortie collars external diameter is d2, and d1>d2<d3。
As optimization, the outside diameter d of finished frame collars and finished product forebay collars3The preceding n/ contacted with elder generation with steel raw material
2 groups of isometrical collars d1It is equal, i.e. d3=d1。
After the completion of the n groups rolling collars first round use of the steel finishing stand system of the present invention, finished frame roller
The external diameter reconditioning quality Δ of ring and finished product forebay collars3, other sortie collars reconditioning quality Δs2 or 1=（d2 or 1/ d3）XΔ3；Institute
State remaining sortie collars in the n/2 group collars contacted between finished frame collars and finished product forebay collars, with steel raw material
Between and the preceding isometrical collars of n/2 groups between roll neck difference≤0.04mm.
Further, the external diameter reconditioning quality Δ of finished frame collars and finished product forebay collars3Control is in 0.54~0.8mm
Between.
The present invention rolls the arrangement mode and external diameter of collars by changing, and makes outside the linearly aligned uniform rolling collars of n groups
Large and small, big arrangement mode is presented in footpath group, increases the external diameter of finished frame collars and finished product forebay collars, adds roller
Ring participates in the girth of rolling, so as to reduce the frequency of usage of rolling equal length rolled piece collars, improves the collars list groove
Amount of rolling, decrease and shut down roll change number, improve production efficiency and reduce labor intensity.Further, increasing is passed through
The outside dimension of high-speed rod-rolling mill finishing stand finished product and finished product forebay collars, reach and above sortie collars rolling tonnage
Matching, further reduce shut down roll change number.After the completion of the collars first round use, grinding again is carried out outside it
Disc and groove, ensure the normal use of subsequent passes, and other sortie collars reconditioning quality Δs2 Or Δ1With finished frame collars
And the external diameter reconditioning quality Δ of finished product forebay collars3Matching relationship so that the metal mass flow phase that rolled piece passes through unit section
Deng keeping heap stable between frame to establish unprincipled connection, so as to ensure being smoothed out for the operation of rolling.
Brief description of the drawings
Fig. 1 is steel finishing stand system collars scheme of installation in the prior art；
Fig. 2 is the steel finishing stand system collars scheme of installation of the present invention.
Marked in figure（By taking 10 framves as an example）：Steel finishing stand system（Hereinafter referred to as finishing mill）First 1, finishing mill
Two framves 2, the frame 3 of finishing mill the 3rd, the frame 4 of finishing mill the 4th, the frame 5 of finishing mill the 5th, the frame 6 of finishing mill the 6th, the frame 7 of finishing mill the 7th,
The frame 8 of finishing mill the 8th, the frame of finishing mill the 9th（Finishing mill finished product forebay）9th, the frame of finishing mill the tenth（Finishing mill finished frame）10.
Embodiment
For the technical characterstic for illustrating the present invention can be understood, below by an embodiment, and its accompanying drawing is combined, it is right
The present invention is illustrated.
By taking certain 5 generation finishing mill rolling specs Φ 6.5mm wire rod as an example, such as Fig. 1, former mm finishing mill unit is by 5 couples of external diameter 228mm's
The collars composition of collars and 5 couples of external diameter 170mm, is separately mounted to mm finishing mill unit first 1 --- the 5th frame 5, finishing mill the 6th
The frame 10 of frame 6 --- finishing mill the tenth.Because the collars roll neck of the 6th frame to the 10th frame is smaller, the list of the 6th frame to the collars of the 8th frame
Groove amount of rolling only has the 1st frame to the collars groove dimensional accuracy and surface quality of 2/3rds of the 5th frame, the 9th frame to the 10th frame
Wire rod final product quality is directly affected, single groove amount of rolling is less than the 1st frame to 1/3rd of the 5th frame.
The present invention is as shown in Fig. 2 the increase frame 9 of finishing mill the 9th（Finishing mill finished product forebay）With the tenth frame 10（Finishing mill
Finished frame）The external diameter of collars is to 228mm.Because finishing mill finished frame and finished product forebay collars external diameter increase, on the one hand
The girth increase that collars participates in, the time increase of another aspect collars cooling so that the two sorties collars list groove amount of rolling reaches
The half of 1st frame to the 5th frame.Therefore, by increasing the frame 9 of finishing mill the 9th（Finishing mill finished product forebay）, finishing mill
Ten framves 10（Finishing mill finished frame）Collars external diameter, improve amount of rolling so that downtime of roll line is reduced, and rolling is made
Industry rate improves.
After the completion of first wheel rolling, grinding again is carried out to collars, subsequently used.It should be noted that nothing
By before reconditioning or after reconditioning, roll neck difference is between 10 sorties for the 1st --- between 5 sorties, the 6th --- between 7 sorties, the 9th ---
≤0.04mm。
9th frame 9（Finishing mill finished product forebay）With the tenth frame 10（Finishing mill finished frame）Collars external diameter allowance is
Reconditioning quality Δ3For 0.54~0.8mm, on the basis of the surplus, determine the frame of mm finishing mill unit the 1st to the 8th frame collars allowance i.e.
Reconditioning quality Δ2And Δ1, such as following table.
Wherein：Δ2 =（d2/ d3 ）XΔ3,
Δ1=（d1/d3）XΔ3。
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (4)
1. a kind of steel finishing stand system, including the linearly aligned uniform rolling collars of n groups, wherein first being connect with steel raw material
Tactile preceding n/2 groups collars is isometrical collars, and the isometrical collars external diameter is d1, it is characterised in that：Contacted afterwards with steel raw material
In n/2 group collars, finished frame collars and finished product forebay collars external diameter are d3, remaining sortie collars external diameter is d2, and d1>
d2<d3。
2. steel finishing stand system according to claim 1, it is characterised in that：Finished frame collars and finished product forebay
The outside diameter d of collars3The isometrical collars d of preceding n/2 groups contacted with elder generation with steel raw material1It is equal.
3. steel finishing stand system according to claim 1, it is characterised in that：The n groups rolling collars first round makes
After the completion of, the external diameter reconditioning quality Δ of finished frame collars and finished product the forebay collars3, other sortie collars reconditioning qualities
Δ2 or 1=（d2 or 1/ d3）XΔ3；Between finished frame collars and finished product the forebay collars, the n/ that is contacted with steel raw material
Poor equal≤the 0.04mm of roll neck between remaining sortie collars in 2 groups of collars and between the preceding isometrical collars of n/2 groups.
4. steel finishing stand system according to claim 1, it is characterised in that：Before the finished frame collars and finished product
The external diameter reconditioning quality Δ of frame roller ring3=0.54~0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795641.5A CN105251767B (en) | 2015-11-18 | 2015-11-18 | A kind of steel finishing stand system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795641.5A CN105251767B (en) | 2015-11-18 | 2015-11-18 | A kind of steel finishing stand system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105251767A CN105251767A (en) | 2016-01-20 |
| CN105251767B true CN105251767B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510795641.5A Active CN105251767B (en) | 2015-11-18 | 2015-11-18 | A kind of steel finishing stand system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10048325A1 (en) * | 2000-09-29 | 2002-04-11 | Wolfgang Mudersbach | Wire finishing line of wire rolling mill comprises two preferably fourfold wire preparation blocks with or without sizing mill |
| CN2612472Y (en) * | 2002-09-26 | 2004-04-21 | 青岛钢铁控股集团有限责任公司 | Highspeed wire-rod rolling machine for rolling steel bar |
| CN101596553A (en) * | 2009-06-26 | 2009-12-09 | 北京工业大学 | A kind of high speed steel roll collar and manufacture method thereof that is applied to high-speed rod-rolling mill |
| CN201572783U (en) * | 2009-11-18 | 2010-09-08 | 哈尔滨哈飞工业有限责任公司 | Novel high speed wire rod finishing mill group system |
| CN102553931A (en) * | 2011-12-28 | 2012-07-11 | 河北省首钢迁安钢铁有限责任公司 | Configuration method of precision rolling frame working roll |
| CN103556039A (en) * | 2013-10-30 | 2014-02-05 | 青岛良力精铸有限公司 | Preparation method of nodular cast iron of alloy for roll |
-
2015
- 2015-11-18 CN CN201510795641.5A patent/CN105251767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10048325A1 (en) * | 2000-09-29 | 2002-04-11 | Wolfgang Mudersbach | Wire finishing line of wire rolling mill comprises two preferably fourfold wire preparation blocks with or without sizing mill |
| CN2612472Y (en) * | 2002-09-26 | 2004-04-21 | 青岛钢铁控股集团有限责任公司 | Highspeed wire-rod rolling machine for rolling steel bar |
| CN101596553A (en) * | 2009-06-26 | 2009-12-09 | 北京工业大学 | A kind of high speed steel roll collar and manufacture method thereof that is applied to high-speed rod-rolling mill |
| CN201572783U (en) * | 2009-11-18 | 2010-09-08 | 哈尔滨哈飞工业有限责任公司 | Novel high speed wire rod finishing mill group system |
| CN102553931A (en) * | 2011-12-28 | 2012-07-11 | 河北省首钢迁安钢铁有限责任公司 | Configuration method of precision rolling frame working roll |
| CN103556039A (en) * | 2013-10-30 | 2014-02-05 | 青岛良力精铸有限公司 | Preparation method of nodular cast iron of alloy for roll |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105251767A (en) | 2016-01-20 |
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