CN106540964A - C-type steel diplopore rolls X balancing hole types and milling method - Google Patents
C-type steel diplopore rolls X balancing hole types and milling method Download PDFInfo
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- CN106540964A CN106540964A CN201611111485.7A CN201611111485A CN106540964A CN 106540964 A CN106540964 A CN 106540964A CN 201611111485 A CN201611111485 A CN 201611111485A CN 106540964 A CN106540964 A CN 106540964A
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- Prior art keywords
- type steel
- pass
- join domain
- centrosymmetric
- pair
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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
- 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 C-type steel diplopore rolling X balancing hole types and milling method, it is put together by the upper roller and lower roll of milling train, the X balancing hole types are the C-type steel passes of a pair of Jing join domains connections, it is centrosymmetric with another C-type steel pass on the right side of the join domain in a C-type steel pass on the left of the join domain, the edge of a wing in the pair of C-type steel pass being centrosymmetric is linked together by the join domain.A kind of C-type steel diplopore rolling X balancing hole types disclosed by the invention and milling method, it is possible to increase the hour output of steel of C-type steel and rolling stability, 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 rolling X balancing hole types and milling method,
It is a kind of brand-new pass exploitation and milling method, which 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, and application is widely；The production technology of C-type steel is non-at present
Often ripe, the production technology of particularly middle small dimension is more stable；But because of factors such as milling train specifications in producing, 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 projected, it is therefore desirable to using 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 X balancing hole types and milling method, it is possible to increase c-type
The hour output of steel of steel and rolling stability, reduce production cost.
To achieve these goals, the invention provides following technical scheme：
A kind of C-type steel diplopore rolls X balancing hole types, is put together by the upper roller and lower roll of milling train, and the X balancing hole types are one
C-type steel pass to the connection of Jing join domains, a C-type steel pass on the left of the join domain with the join domain
Another C-type steel pass on right side is centrosymmetric, and the join domain is by the pair of C-type steel pass being centrosymmetric
The edge of a wing link together.
Preferably, in above-mentioned C-type steel diplopore rolling X balancing hole types, the bottom of the C-type steel pass on the left of the join domain
, in the upper end of the whole C-type steel pass, the bottom parts of the C-type steel pass on the right side of the join domain are in whole institute for plate part
State the lower end of C-type steel pass.
Preferably, in above-mentioned C-type steel diplopore rolling X balancing hole types, the horizontal center line of the join domain is DD, two
Vertical centrage between the individual C-type steel pass is AA, and DD is vertical with AA, and the intersection point of DD and AA is two C-type steels
The centrosymmetry point of pass.
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 each universal mill in the universal mill group has any of the above-described C-type steel diplopore rolling X
Balancing hole type, the milling method include following operating procedure：
Step one, is rolled to blank using reversible blooming mill, to roll out into the rolled piece needed for universal mill group；
Step 2, being rolled a pair to obtain connecting as one successively using UR/E/UC milling trains to the rolled piece is in
Centrosymmetric C-type steel, the company that the pair of C-type steel being centrosymmetric is formed by the join domain in the X balancing hole types
Fishplate bar connects；
Step 3, the connecting plate of the C-type steel that a pair to connecting as one are centrosymmetric carry out sawing, planing and car
Processing is cut, the C-type steel that a pair connected as one are centrosymmetric is separated and two finished product C-type steels are obtained.
Analysis understands, the invention discloses a kind of C-type steel diplopore rolling X balancing hole types and milling method, it is possible to increase c-type
The hour output of steel of steel and rolling stability, reduce production cost.
The present invention devises diapsid (i.e. according to section steel works large-scale production line rolling mill design ability under the conditions of existing equipment
Be centrosymmetric pass), the method rolled using the pass that is centrosymmetric improves mill speed, primary producing line hour
Output of steel is 260t, and after adopting the roll pass of the present invention hour output of steel for 520t, and rolling stability is improved,
Yield rate increased 100%, make the rolling of " C " shaped steel (especially on middle small dimension) accomplish the mass production of maximum-norm,
Reduce production cost.
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, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.Wherein：
Fig. 1 is the signal of C-type steel diplopore rolling X balancing hole types (i.e. horizontal diapsid) that top and bottom rolls of the present invention are assembled into
Figure；
Fig. 2 is the generalized section of the finished product of the groove rolling that is centrosymmetric using 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
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.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 describing the invention, term " longitudinal direction ", " horizontal ", " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describing the present invention rather than requiring that the present invention must be with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Term " being connected " 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 understood as the case may be.
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 X balancing hole types, ginseng
See Fig. 1, formed by the be put together groove of upper roller and lower roll i.e. by universal rolling mill of the upper roller and lower roll of universal rolling mill, should
X balancing hole types are the C-type steel passes (1,2) of a pair of Jing join domains 3 connection, a C-type steel pass on the left of join domain 3
1 is centrosymmetric with another C-type steel pass 2 on the right side of the join domain 3, and join domain 3 is centrosymmetric the pair of
C-type steel pass (1,2) in the edge of a wing link together.
Preferably, the horizontal center line of join domain 3 is DD, and the vertical centrage between two C-type steel passes (1,2) is
AA, and DD is vertical with AA, the intersection point of DD and AA is the centrosymmetry point of the C-type steel pass (1,2).It is arranged such and is not only beneficial to
Secondary operations, and the stability for uniformly extending beneficial to rolled piece and rolling.C-type steel pass 1 i.e. on the left of the join domain 3 is around DD
Rotate 180 ° with the intersection point of AA to overlap with the C-type steel pass 2 on the right side of the join domain 3 afterwards, in the same manner on the right side of join domain 3
C-type steel pass 2 is rotated 180 ° around DD and the intersection point of AA and is overlapped with the C-type steel pass 1 on the left of the join domain 3 afterwards.
The edge of a wing 5 in the C-type steel pass (1,2) that a pair are centrosymmetric by join domain 3 links together, using connection
Region 3 by be connected with 5 part of the C-type steel edge of a wing can preferably during controlled rolling rolled piece center of gravity, so as to avoid rolled piece
Inclined head and nose.Single C-type steel pass (1,2) is existing C-type steel pass, and the C-type steel (11,22) which rolls out is with base plate
4th, positioned at the both ends of base plate 4 and positioned at two edges of a wing 5 of 4 homonymy of base plate, referring to Fig. 2；The C-type steel diplopore rolling X of the present invention
Balancing hole type is to connect above-mentioned single C-type steel pass (1,2) by join domain 3.The join domain 3 is " C " section steel flange 5
Be connected design, and 4 part of base plate of the C-type steel pass 1 on the left of join domain 3 is in the upper end of whole C-type steel pass 1, join domain 3
4 part of base plate of the C-type steel pass 2 on right side is arranged such not only beneficial to secondary operations in the lower end of whole C-type steel pass 2, and
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 centrosymmetry by the way of symmetrical turning in new roll
(i.e. X balances) pass.
A kind of milling method of C-type steel of the present invention is specifically described below.
Embodiment
The top and bottom rolls of universal roughing mill and universal finishing mill are respectively provided with the symmetrical pass of the present 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 be centrosymmetric (i.e. X balances).
Milling method is as follows：
Step one, is rolled to blank using two-roller reversible blooming mill (BD), to roll out into universal mill group institute
The rolled piece for needing.
Step 2, rolled to obtain connecting as one using UR/E/UC milling trains to rolled piece successively a pair are in center
Symmetrical C-type steel (finished product of the groove rolling that is centrosymmetric), referring to Fig. 2, it include a pair symmetrical C-type steels and
Connect secondary operations region (the i.e. connecting plate 33, in the operation of rolling, to rolling of the C-type steel (11,22) being centrosymmetric for this pair
Part plays Stabilization).
Step 3, the connecting plate 33 of the C-type steel (11,22) that a pair to connecting as one are centrosymmetric carry out sawing,
Planing and turnery processing, the C-type steel that a pair connected as one are centrosymmetric (11,22) separate and obtain finished product C
Shaped 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 which, and milling method is：
Step one, is rolled to blank using reversible blooming mill, to roll out into the rolled piece needed for universal mill group.
Step 2, is rolled to rolled piece using UR/E/UC milling trains 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 little
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, the present invention is not limited to, 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 X balancing hole types, it is characterised in that be put together by the upper roller and lower roll of milling train, and the X puts down
Weighing apparatus pass is the C-type steel pass of a pair of Jing join domains connection, a C-type steel pass on the left of the join domain with institute
State another C-type steel pass on the right side of join domain to be centrosymmetric, the join domain is by the pair of C being centrosymmetric
The edge of a wing in Pass links together.
2. C-type steel diplopore according to claim 1 rolls X balancing hole types, it is characterised in that on the left of the join domain
The bottom parts of C-type steel pass are at the upper end of the whole C-type steel pass, the bottom of the C-type steel pass on the right side of the join domain
Plate part is in the lower end of the whole C-type steel pass.
3. C-type steel diplopore according to claim 1 rolls X balancing hole types, it is characterised in that the level of the join domain
Centrage is DD, and the vertical centrage between two C-type steel passes is AA, and DD is vertical with AA, and the intersection point of DD and AA is
The centrosymmetry point of two C-type steel passes.
4. a kind of milling method of C-type steel, it is characterised in that the production line constituted by reversible blooming mill and universal mill group
Rolled, there is each universal mill in the universal mill group the arbitrary C-type steel diplopore of claim 1-3 to roll X balance pipes
Type, the milling method include following operating procedure：
Step one, is rolled to blank using reversible blooming mill, to roll out into the rolled piece needed for universal mill group；
Step 2, rolled to obtain connecting as one using UR/E/UC milling trains to the rolled piece successively a pair are in center
Symmetrical C-type steel, the connecting plate that the pair of C-type steel being centrosymmetric is formed by the join domain in the X balancing hole types
Connection；
Step 3, the connecting plate of the C-type steel that a pair to connecting as one are centrosymmetric carry out sawing, planing and turning and add
Work, the C-type steel that a pair connected as one are centrosymmetric is separated and two finished product C-type steels are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111485.7A CN106540964A (en) | 2016-12-02 | 2016-12-02 | C-type steel diplopore rolls X balancing hole types and milling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111485.7A CN106540964A (en) | 2016-12-02 | 2016-12-02 | C-type steel diplopore rolls X balancing hole types and milling method |
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| Publication Number | Publication Date |
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| CN106540964A true CN106540964A (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611111485.7A Pending CN106540964A (en) | 2016-12-02 | 2016-12-02 | C-type steel diplopore rolls X balancing hole types and milling method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP0827787A1 (en) * | 1996-09-04 | 1998-03-11 | MANNESMANN Aktiengesellschaft | Rolling method for the manufacture of double-T-presections to be rolled out to sections in a finishing train |
| 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 |
| 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 |
| CN103406355A (en) * | 2013-07-19 | 2013-11-27 | 莱芜钢铁集团有限公司 | F-shaped steel roll pass and rolling method |
| CN105344710A (en) * | 2015-12-10 | 2016-02-24 | 山东钢铁股份有限公司 | Rolling mill and rolling method for H-shaped steel |
| CN206229834U (en) * | 2016-12-02 | 2017-06-09 | 山东钢铁股份有限公司 | C-type steel diplopore rolls X balancing hole types |
-
2016
- 2016-12-02 CN CN201611111485.7A patent/CN106540964A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP0827787A1 (en) * | 1996-09-04 | 1998-03-11 | MANNESMANN Aktiengesellschaft | Rolling method for the manufacture of double-T-presections to be rolled out to sections in a finishing train |
| 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 |
| 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 |
| CN103406355A (en) * | 2013-07-19 | 2013-11-27 | 莱芜钢铁集团有限公司 | F-shaped steel roll pass and rolling method |
| CN105344710A (en) * | 2015-12-10 | 2016-02-24 | 山东钢铁股份有限公司 | Rolling mill and rolling method for H-shaped steel |
| CN206229834U (en) * | 2016-12-02 | 2017-06-09 | 山东钢铁股份有限公司 | C-type steel diplopore rolls X balancing hole types |
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Application publication date: 20170329 |
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