CN106734206A - C-type steel diplopore rolls axial symmetry pass and milling method - Google Patents
C-type steel diplopore rolls axial symmetry pass and milling method Download PDFInfo
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- CN106734206A CN106734206A CN201611110542.XA CN201611110542A CN106734206A CN 106734206 A CN106734206 A CN 106734206A CN 201611110542 A CN201611110542 A CN 201611110542A CN 106734206 A CN106734206 A CN 106734206A
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- Prior art keywords
- pass
- type steel
- type
- axial symmetry
- join domain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
-
- 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
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The present invention provides a kind of rolling of C-type steel diplopore axial symmetry pass and milling method, the axial symmetry pass is put together by the upper roller and lower roll of milling train, the axial symmetry pass is a pair C-type steel passes symmetrically and through join domain connected along axis AA, a C-type steel pass on the left of the axis AA is symmetrical with another C-type steel pass on the right side of the axis AA, and the join domain links together the side of the free end on the edge of a wing in the pair of C-type steel pass.A kind of rolling of C-type steel diplopore axial symmetry pass and milling method disclosed by the invention, it is possible to increase the hour output of steel and rolling stability of C-type steel, reduce production cost.
Description
Technical field
The present invention relates to rolling of sectional iron field, and in particular to a kind of C-type steel diplopore rolls axial symmetry pass and milling method,
It is a kind of brand-new pass exploitation and milling method, it improves shaped steel hour output of steel and rolling stability, reduces production cost.
Background technology
C-type steel is mine, water conservancy and architectural main material, using widely；The production technology of current C-type steel is non-
Often ripe, the production technology of particularly middle small dimension is more stablized；But because of factors such as milling train specifications in production, small dimension in some
Roll a set of pass is designed on hole type design, only, there is huge waste, in the case of current steel market is stagnant,
Cost pressure is protruded, it is therefore desirable to use new hole type design and milling method, under the conditions of certain cost, improves output of steel.
The content of the invention
It is an object of the invention to provide a kind of C-type steel diplopore rolling axial symmetry pass and milling method, it is possible to increase c-type
The hour output of steel and rolling stability of steel, reduce production cost.
To achieve these goals, the invention provides following technical scheme：
A kind of C-type steel diplopore rolls axial symmetry pass, is put together by the upper roller and lower roll of milling train, and the axial symmetry pass is
A pair along axis AA is symmetrical and C-type steel pass that connected through join domain, a C-type steel pass on the left of the axis AA with
Another C-type steel pass on the right side of the axis AA is symmetrical, and the join domain is by the pair of C-type steel pass
The side of the free end on the edge of a wing links together.
Preferably, in above-mentioned C-type steel diplopore rolling axial symmetry pass, the horizontal center line of the join domain is DD,
The horizontal center line DD of the join domain is vertical with the axis AA.
Preferably, in above-mentioned C-type steel diplopore rolling axial symmetry pass, the horizontal center line DD of the join domain and institute
The distance between bottom of C-type steel pass is stated for B2, the wing of the horizontal center line DD of the join domain and the C-type steel pass
The distance between free end of edge is B1, and B2 ＞ B1.
On the other hand, present invention also offers a kind of milling method of C-type steel, by reversible blooming mill and universal mill
The production line that group is constituted is rolled, and there is each universal mill in the universal mill group any of the above-described C-type steel diplopore to roll
Axial symmetry pass, the milling method includes following operating procedure：
Step one, is rolled using reversible blooming mill to blank, to roll out into the rolled piece needed for universal mill group；
Step 2, is rolled a pair of c-types to be connected as one using UR/E/UC milling trains to the rolled piece successively
Steel, the pair of C-type steel is connected by the connecting plate that the join domain of the pass is formed；
Step 3, the connecting plate of a pair of C-type steels to connecting as one carries out sawing, planing and turnery processing, will
A pair of the C-type steels for connecting as one are separated and obtain two finished product C-type steels.
Analysis understands, the invention discloses a kind of C-type steel diplopore rolling axial symmetry pass and milling method, it is possible to increase C
The hour output of steel and rolling stability of shaped steel, reduce production cost.
The present invention under the conditions of existing equipment, devises diapsid (i.e. according to section steel works large-scale production line rolling mill design ability
Axial symmetry pass), the method rolled using axial symmetry pass improves mill speed, and primary producing line hour output of steel is
260t, and after using roll pass of the invention hour output of steel for 520t, and rolling stability is improved, yield rate increases
Add 100%, the rolling of " C " shaped steel (especially on middle small dimension) is accomplished the mass production of maximum-norm, reduced life
Produce cost.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.Wherein：
Fig. 1 is showing for C-type steel diplopore rolling axial symmetry pass (i.e. horizontal diapsid) that top and bottom rolls of the present invention are assembled into
It is intended to；
Fig. 2 is the generalized section of the finished product using the axial symmetry groove rolling of Fig. 1.
Description of reference numerals：1-C Pass；11-C shaped steel；2-C Pass；22-C shaped steel；3- join domains；4-
Base plate；The 5- edges of a wing.
Specific embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
In the description of the invention, term " longitudinal direction ", " transverse direction ", " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " are, based on orientation shown in the drawings or position relationship, to be only
For the ease of the description present invention rather than requiring that the present invention must be with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.The term " connected " that is used in the present invention, " connection " should be interpreted broadly, for example, it may be fixedly connected,
Can also be detachably connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediate member, it is common for this area
For technical staff, the concrete meaning of above-mentioned term can be as the case may be understood.
As shown in Figure 1 to Figure 2, embodiments in accordance with the present invention, there is provided a kind of C-type steel diplopore rolls axial symmetry pass,
Referring to Fig. 1, it is put together by the upper roller and lower roll of universal rolling mill and formed by the upper roller of universal rolling mill and the groove of lower roll,
The axial symmetry pass is a pair C-type steel passes (1,2) symmetrically and through join domain 3 connected along axis AA, i.e., left in axis AA
One C-type steel pass 1 of side is symmetrical with another C-type steel pass 2 on the right side of axis AA.
The horizontal center line of join domain 3 is DD, and the horizontal center line DD of join domain 3 is vertical with axis AA.
Join domain 3 links together the side of the free end on the edge of a wing 5 in a pair of C-type steel passes (1,2), using even
Connect region 3 by the part corresponding with the free end of the C-type steel edge of a wing 5 be connected can preferably during controlled rolling rolled piece weight
The heart, so as to avoid the inclined head and nose of rolled piece.Single C-type steel pass (1,2) is existing C-type steel pass, its C-type steel for rolling out
(11,22) are with base plate 4, positioned at the both ends of base plate 4 and positioned at two edges of a wing 5 of the homonymy of base plate 4, referring to Fig. 2；It is of the invention
C-type steel diplopore rolling axial symmetry pass is that above-mentioned single C-type steel pass (1,2) is connected by join domain 3.The join domain
3 is that " C " section steel flange 5 is connected design, the horizontal center line DD of join domain 3 apart from pass upper and lower ends portion vertical range not
It is B2, the water of join domain 3 Deng the distance between, the horizontal center line DD of join domain 3 and bottom of C-type steel pass (1,2)
The distance between free end on the edge of a wing of flat center line DD and C-type steel pass (1,2) is B1, and B2 ＞ B1, is arranged such not only
Beneficial to secondary operation, and uniformly extend beneficial to rolled piece.
Roll with pass of the present invention is to get on the bus to cut out a pair of axial symmetry holes in new roll by the way of symmetrical turning
Type.
A kind of milling method of C-type steel of the invention is specifically described below.
Embodiment
The top and bottom rolls of universal roughing mill and universal finishing mill are respectively provided with axial symmetry pass of the invention；
In order that reversible blooming mill is adapted with the universal mill with above-mentioned symmetrical pass, the roll on reversible blooming mill
Pass is also axisymmetric.
Milling method is as follows：
Step one, is rolled using two-roller reversible blooming mill (BD) to blank, to roll out into universal mill group institute
The rolled piece for needing.
Step 2, is rolled a pair of C-type steels to be connected as one using UR/E/UC milling trains to rolled piece successively
(i.e. the finished product of axial symmetry groove rolling), referring to Fig. 2, it includes a pair symmetrical C-type steels and connects a pair of C-type steels
The secondary operation region (i.e. connecting plate 33, in the operation of rolling, stabilization is played to rolled piece) of (11,22).
Step 3, the connecting plate 33 of a pair of the C-type steels (11,22) to connecting as one carries out sawing, planing and turning
Processing, a pair of the C-type steels (11,22) that will be connected as one are separated and obtain finished product C-type steel (11,22).
Comparative example
The finished product C-type steel size of rolling is identical with embodiment.
The top and bottom rolls pass of universal roughing mill and universal finishing mill is single C-type steel pass, the roll hole of reversible blooming mill
Type is adapted with it, and milling method is：
Step one, is rolled using reversible blooming mill to blank, to roll out into the rolled piece needed for universal mill group.
Step 2, is rolled using UR/E/UC milling trains to rolled piece successively, obtains finished product C-type steel.
The milling method hour output of steel of the comparative example is 260t or so, and the milling method of embodiments of the invention is small
When output of steel be 520t or so, and rolling stability is improved, the milling method of the embodiment of the present invention and rolling for comparative example
Method processed is compared, and yield rate increased 100%.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
1st, it is cost-effective.
2nd, hour output of steel is significantly improved.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of C-type steel diplopore rolls axial symmetry pass, it is characterised in that be put together by the upper roller and lower roll of milling train, the axle
Symmetrical pass is a pair C-type steel passes symmetrically and through join domain connected along axis AA, a C on the left of the axis AA
Pass is symmetrical with another C-type steel pass on the right side of the axis AA, and the join domain is by the pair of c-type
The side of the free end on the edge of a wing in steel pass links together.
2. C-type steel diplopore according to claim 1 rolls axial symmetry pass, it is characterised in that the water of the join domain
Flat center line is DD, and the horizontal center line DD of the join domain is vertical with the axis AA.
3. C-type steel diplopore according to claim 2 rolls axial symmetry pass, it is characterised in that the water of the join domain
The distance between flat center line DD and bottom of the C-type steel pass are B2, the horizontal center line DD of the join domain and institute
The distance between free end on the edge of a wing of C-type steel pass is stated for B1, and B2 ＞ B1.
4. a kind of milling method of C-type steel, it is characterised in that the production line being made up of reversible blooming mill and universal mill group
Rolled, each universal mill in the universal mill group has any C-type steel diplopore rolling axial symmetry holes of claim 1-3
Type, the milling method includes following operating procedure：
Step one, is rolled using reversible blooming mill to blank, to roll out into the rolled piece needed for universal mill group；
Step 2, is rolled a pair of C-type steels to be connected as one using UR/E/UC milling trains to the rolled piece successively,
The pair of C-type steel is connected by the connecting plate that the join domain of the axial symmetry pass is formed；
Step 3, the connecting plate of a pair of C-type steels to connecting as one carries out sawing, planing and turnery processing, will connection
A pair of C-type steels being integrated are separated and obtain two finished product C-type steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110542.XA CN106734206B (en) | 2016-12-02 | 2016-12-02 | C-type steel diplopore rolls axial symmetry pass and milling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110542.XA CN106734206B (en) | 2016-12-02 | 2016-12-02 | C-type steel diplopore rolls axial symmetry pass and milling method |
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| CN106734206A true CN106734206A (en) | 2017-05-31 |
| CN106734206B CN106734206B (en) | 2019-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889775A (en) * | 2018-06-25 | 2018-11-27 | 攀钢集团攀枝花钢钒有限公司 | Guard rail U-steel roll mill and milling method |
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| EP0156405A1 (en) * | 1984-03-02 | 1985-10-02 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Roll forming procedure with slitting of angle bars and T-beams |
| JPS6411001A (en) * | 1987-07-06 | 1989-01-13 | Nippon Steel Corp | Method for rolling and separating shape steel |
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|---|---|---|---|---|
| EP0156405A1 (en) * | 1984-03-02 | 1985-10-02 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Roll forming procedure with slitting of angle bars and T-beams |
| JPS6411001A (en) * | 1987-07-06 | 1989-01-13 | Nippon Steel Corp | Method for rolling and separating shape steel |
| CN103316919A (en) * | 2013-07-08 | 2013-09-25 | 莱芜钢铁集团有限公司 | Mill roll assembly, rolling mill and method for rolling forklift portal frame profile steel |
| CN103350114A (en) * | 2013-07-19 | 2013-10-16 | 莱芜钢铁集团有限公司 | Double-pass roller for machining track shape steel and rolling method |
| CN103357663A (en) * | 2013-07-19 | 2013-10-23 | 莱芜钢铁集团有限公司 | F-shaped steel mill roll double-hole type and rolling method |
| CN103357664A (en) * | 2013-07-19 | 2013-10-23 | 莱芜钢铁集团有限公司 | F-shaped steel section roll groove pattern and rolling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108889775A (en) * | 2018-06-25 | 2018-11-27 | 攀钢集团攀枝花钢钒有限公司 | Guard rail U-steel roll mill and milling method |
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| CN106734206B (en) | 2019-08-27 |
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