CN205762962U - The pass schedule that rolling square billet and circle base share - Google Patents
The pass schedule that rolling square billet and circle base share Download PDFInfo
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- CN205762962U CN205762962U CN201620570689.6U CN201620570689U CN205762962U CN 205762962 U CN205762962 U CN 205762962U CN 201620570689 U CN201620570689 U CN 201620570689U CN 205762962 U CN205762962 U CN 205762962U
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- frame aperture
- aperture type
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- square billet
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Abstract
This utility model provides a kind of and rolls the pass schedule that square billet shares with circle base, including 6 frame breakdown pass, described 6 frame breakdown pass are box pass, described box pass is surrounded by bottom land and sidewall and is formed, one end of described sidewall extends to the notch plane of roll gap, at the bottom of the other end link slot of described sidewall.When pass schedule provided by the utility model circumference blank shares, rolling is stable, and even wearing is cost-effective, substantially increases the production efficiency of rolling line.
Description
Technical field
This utility model relates to rolling technical field, rolls, particularly to a kind of, the pass schedule that square billet shares with circle base.
Background technology
Zhong Bang factory of Daye Special Steel Co., Ltd tandem rolling line blank specification mainly have rectangular billet CC 300mm ×
400mm × 9000mm and circle base Φ 390 × 9000mm.Product specification: 50～130mm, the annual production of design is 900,000 tons；Produce
Steel grade has bearing steel and structural alloy steel.Heating furnace effective dimensions is 46.5m × 9.7m, conventional combustion manner, with high burnt mixing
Coal gas is fuel, heating furnace rated capacity: 180t/h (cold charge quality carbon steel), 90t/h (cold charge bearing steel).
Original rolling groove system, generally box-ellipse-circular hole system, in rolling side, justify two kinds of different sizes
Blank time, due to initial pass pressure change greatly, it is necessary to two overlap different passes rolls, bring roll change and change hole
Inconvenience in type, proposes the highest difficulty, have impact on production efficiency simultaneously preloaded system.
After original rolling groove system is improved pass, use a set of pass schedule to roll two kinds of base types simultaneously, but
Due to changing greatly of pressure, and pass collocation situation, easily cause rolling instability, what appearance part circle base rolling was reversed shows
As, the commonality making pass is poor, and scheduling of production is caused large effect, becomes tripping of production efficiency the most to a certain extent
Stone, causes operating rate of rolling mill relatively low, and corresponding roll accessory configuration is more, consumes big, improves production cost.
Utility model content
The purpose of this utility model is that providing a kind of rolls the pass schedule that square billet shares with circle base, it is possible to realize square billet
When sharing with circle base, rolling is stable, and even wearing is greatly improved rolling line production efficiency.
To achieve these goals, the following technical scheme of this utility model offer:
A kind of roll square billet and circle base share pass schedule, including 6 frame breakdown pass, described 6 frame breakdown pass are
Box pass, described box pass is surrounded by bottom land and sidewall and forms, and one end of described sidewall extends to the notch of roll gap and puts down
Face, at the bottom of the other end link slot of described sidewall.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, described 6 frame breakdown pass are successively
For: the 1st frame aperture type, the 2nd frame aperture type, the 3rd frame aperture type, the 4th frame aperture type, the 5th frame aperture type and the 6th frame aperture type；
Described 1st frame aperture type, described 3rd frame aperture type and described 5th frame aperture type are vertical case pass；
Described 2nd frame aperture type, described 4th frame aperture type and described 6th frame aperture type are box flatting hole type.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, described 1st frame aperture type, the described 3rd
The bottom land of the described 5th frame aperture type of frame aperture type is the circular arc protruded to pass center.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, described 2nd frame aperture type, the described 4th
The bottom land of the described 6th frame aperture type of frame aperture type is straight line.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, the sidewall of described 2nd frame aperture type by
First paragraph straight line, one section of circular arc and second segment straight line are connected in sequence.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, described bottom land and described sidewall it
Between connected by gullet.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, one end of described sidewall and roll gap
Notch plane between by notch circular sliding slopes.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, the size of described square billet is 300mm
× 400mm, the size of described round base is Φ 390mm, and described square billet and circle base obtain after the rolling of described 6th frame breakdown pass
To blank specification be 190mm × 230mm.
Further, in the pass schedule that above-mentioned rolling square billet and circle base share, this pass schedule is in 6 frame roughing holes
Include the most successively after type 6 framves roll pass and 4 frame finishing groovees.
Analyzing and understand, this utility model disclose and a kind of rolls square billet and the shared pass schedule of circle base, mainly has following
Advantage:
1) sidewall can clamp rolled piece, and the operation of rolling is stable.Avoid existing pass schedule do not have sidewall clamping rolled piece and
Easily cause torsion, time serious, then can not continue the defects such as rolling；
2) rolling 300mm × 400mm × 9000mm and circle base Φ 390 when the setting of 6 frame breakdown pass makes rolling ×
During two kinds of base types of 9000mm, effectively avoid the sidewall of pass to the active force of rolled piece and frictional force effect that rolled piece is caused not
Consistent problem, and then it is inconsistent and waste serious problem to improve roll wear；
3) two kinds of blanks (size of square billet is 300mm × 400mm, and the size of circle base is Φ 390mm) are without adjusting pass
Height can roll out 190mm × 230mm blank.
In a word, when pass schedule provided by the utility model circumference blank shares, rolling is stable, and even wearing is saved into
This, substantially increase the production efficiency of rolling line.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, this practicality
Novel schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.
Wherein:
Fig. 1 is the schematic diagram of the 1st frame aperture type of this utility model preferred embodiment.
Fig. 2 is the schematic diagram of the 2nd frame aperture type of this utility model preferred embodiment.
Fig. 3 is the schematic diagram of the 3rd frame aperture type of this utility model preferred embodiment.
Fig. 4 is the schematic diagram of the 4th frame aperture type of this utility model preferred embodiment.
Fig. 5 is the schematic diagram of the 5th frame aperture type of this utility model preferred embodiment.
Fig. 6 is the schematic diagram of the 6th frame aperture type of this utility model preferred embodiment.
Fig. 7 is the schematic diagram of the sidewall in Fig. 2.
Description of reference numerals: 1 roll gap；2 notch circular arcs (R2)；3 sidewalls；4 gullet (R1)；5 bottom lands；6 first paragraphs are straight
Line；7 second segment straight lines；8 one sections of circular arcs.
Detailed description of the invention
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can be mutually combined.
In description of the present utility model, term " longitudinally ", " laterally ", " on ", D score, "front", "rear", "left", "right",
Orientation or the position relationship of the instruction such as " vertically ", " level ", " top ", " end " are based on orientation shown in the drawings or position relationship,
It is for only for ease of description this utility model rather than requires that this utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to restriction of the present utility model.The term used in this utility model " is connected ", " connection " should be interpreted broadly,
Connect for example, it may be fixing, it is also possible to be to removably connect；Can be to be joined directly together, it is also possible to indirect by intermediate member
It is connected, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figures 1 to 7, according to embodiment of the present utility model, it is provided that a kind of roll square billet and circle base share
Pass schedule, including 6 frame breakdown pass, 6 frame breakdown pass are box pass, box pass surrounded by bottom land 5 and sidewall 3 and
Becoming, one end of sidewall 3 extends to the notch plane of roll gap 1, at the bottom of the other end link slot of sidewall 35.This pass schedule is thick at 6 framves
Including the most successively after rolling pass rolling pass and 4 frame finishing groovees in 6 framves, this pass schedule has 16 frame aperture types.
The pass schedule that this utility model embodiment disclosed rolling square billet and circle base share, wherein sidewall 3 can clamp and roll
Part, it is to avoid existing pass schedule does not has sidewall clamping rolled piece to easily cause torsion, then can not continue rolling etc. time serious
Defect, the operation of rolling is stable, and efficiency significantly improves.
Further, 6 frame breakdown pass are followed successively by: the 1st frame aperture type, the 2nd frame aperture type, the 3rd frame aperture type, the 4th frame aperture type,
5 frame aperture types and the 6th frame aperture type, the 1st frame aperture type, the 3rd frame aperture type and 5 frame aperture types are vertical case pass, the 2nd frame aperture type, the 4th frame aperture
Type and the 6th frame aperture type are box flatting hole type.
Further, the bottom land 5 of the 5th frame aperture type of the 1st frame aperture type, the 3rd frame aperture type is the circle protruded to pass center
The center of circle of arc, i.e. this circular arc is in the outside of pass.It is highly preferred that the radius of the 1st frame aperture type gullet is 1401.171mm, circle
Heart angle is 10 °；The radius of the 3rd frame aperture type gullet is 1434.909mm, and central angle is 10 °；5th frame aperture type gullet
Radius is 1394.9mm, and central angle is 7 °.1st frame aperture type, the bottom land 5 of the 5th frame aperture type of the 3rd frame aperture type are set to the good of circular arc
When place is rolling circular blank, the bottom land 5 of circular arc has good clamping action to circle blank, it is to avoid circle blank is in the operation of rolling
In twist.
Further, the bottom land 5 of the 6th frame aperture type of the 2nd frame aperture type, the 4th frame aperture type is straight line.2nd frame aperture type, the 4th frame
The bottom land 5 of the 6th frame aperture type of pass is set to straight line can carry out surfacing to the rolled piece of upper passage roll forming, i.e.
The bottom land 5 of the 2nd frame aperture type the rolled piece of the 1st frame aperture type roll forming is carried out surfacing, the i.e. the 4th frame aperture type bottom land 5 to the 3rd
The rolled piece of frame aperture type roll forming carries out the bottom land 5 rolled piece to the 5th frame aperture type roll forming of surfacing, the i.e. the 6th frame aperture type
Carry out surfacing.
1st frame aperture type, the bottom land 5 of the 5th frame aperture type of the 3rd frame aperture type are set to the circular arc protruded to pass center, the 2nd frame
Pass, the bottom land 5 of the 6th frame aperture type of the 4th frame aperture type are set to straight line, and i.e. the bottom land 5 of circular arc and rectilinear bottom land 5 are respectively
Being arranged alternately between frame aperture type, can play the bottom land 5 good clamping action to rolled piece of circular arc, rectilinear bottom land 5 again can
In time the rolled piece of the groove rolling molding of 5 at the bottom of the arc-shaped slot of upper a time is carried out surfacing.
Further, connected by gullet 4 between bottom land 5 and sidewall 3；One end of sidewall 3 is flat with the notch of roll gap 1
Connected by notch circular arc 2 between face.Different blanks are total to by the beneficially raising pass that arranges of gullet 4 and notch circular arc 2
By property, it is avoided that pass has the effect of buffering and transition at junction inordinate wear, gullet 4 and notch circular arc 2 simultaneously.
Further, the sidewall 3 of the 2nd frame aperture type is sequentially connected with by 6, one section of circular arc 8 of first paragraph straight line and second segment straight line 7
Form, i.e. first paragraph straight line 6 is connected with bottom land 5 by gullet 4, and i.e. second segment straight line 7 is by notch circular arc 2 and roll gap 1
Notch plane connect.One section of circular arc 8 is to the internal protrusion of pass, and the center of circle of one section of circular arc 8 is in the outside of pass, preferably by one
The radius of section circular arc 8 is set to 50mm, and central angle is set to 5 °.One section of circular arc 8 can preferably clamp blank in the operation of rolling,
Make rolling more stable.
Further, the size of square billet is 300mm × 400mm, and the size of circle base is Φ 390mm, and square billet and circle base are through 6
The blank specification obtained after the rolling of frame breakdown pass is 190mm × 230mm.
May be sized to of 6 frame breakdown pass is as shown in table 1 below.
Table 1: long h × wide b × roll gap s × gullet R1 × notch circular arc R 2
| Sortie | Long h | Wide b | Roll gap s | Gullet R1 | Notch circular arc R 2 |
| 1 | 406.134 | 355 | 30 | 35 | 25 |
| 2 | 376 | 295 | 45 | 40 | 20 |
| 3 | 383 | 270.14 | 20 | 30 | 20 |
| 4 | 300 | 238 | 20 | 30 | 20 |
| 5 | 280 | 210.302 | 28 | 30 | 20 |
| 6 | 240 | 190 | 8 | 30 | 20 |
Above-mentioned numerical value is only the numerical value of one preferred embodiment of this utility model, can be to each pass in the operation of rolling
Height and other numerical value are adjusted.
Continuous rolling production line master rolls Configuration Online 16 frame high rigidity short stress path rolling mill, wherein roughing 6 frame, in roll 6 framves, finish rolling
4 framves, roughing 6 frame uses Li-flat to be alternately arranged, in roll employing Ping-vertical and arrange, finish rolling uses Ping-vertical to be alternately arranged.Rolled piece rolls
During use tension-rolling.
As can be seen from the above description, this utility model the above embodiments achieve following technique effect:
1) sidewall 3 can clamp rolled piece, and the operation of rolling is stable.Avoiding existing pass schedule does not has sidewall 3 to clamp rolled piece
And easily cause torsion, then can not continue the defects such as rolling time serious；
2) rolling 300mm × 400mm × 9000mm and circle base Φ 390 when the setting of 6 frame breakdown pass makes rolling ×
During two kinds of base types of 9000mm, effectively avoid the sidewall of pass to the active force of rolled piece and frictional force effect that rolled piece is caused not
Consistent problem, and then it is inconsistent and waste serious problem to improve roll wear；
3) two kinds of blanks (size of square billet is 300mm × 400mm, and the size of circle base is Φ 390mm) are without adjusting pass
Height can roll out 190mm × 230mm blank.
In a word, when pass schedule provided by the utility model circumference blank shares, rolling is stable, and even wearing is saved into
This, substantially increase the production efficiency of rolling line.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (9)
1. one kind rolls the pass schedule that square billet shares with circle base, it is characterised in that include 6 frame breakdown pass, described 6 frame roughing
Pass is box pass, and described box pass is surrounded by bottom land and sidewall and forms, and one end of described sidewall extends to roll gap
Notch plane, at the bottom of the other end link slot of described sidewall.
The pass schedule that rolling square billet the most according to claim 1 and circle base share, it is characterised in that described 6 frame roughing
Pass is followed successively by: the 1st frame aperture type, the 2nd frame aperture type, the 3rd frame aperture type, the 4th frame aperture type, the 5th frame aperture type and the 6th frame aperture type；
Described 1st frame aperture type, described 3rd frame aperture type and described 5th frame aperture type are vertical case pass；
Described 2nd frame aperture type, described 4th frame aperture type and described 6th frame aperture type are box flatting hole type.
The pass schedule that rolling square billet the most according to claim 2 and circle base share, it is characterised in that described 1st frame aperture
Type, the bottom land of described 5th frame aperture type of described 3rd frame aperture type are the circular arc protruded to pass center.
The pass schedule that rolling square billet the most according to claim 2 and circle base share, it is characterised in that described 2nd frame aperture
Type, the bottom land of described 6th frame aperture type of described 4th frame aperture type are straight line.
The pass schedule that rolling square billet the most according to claim 2 and circle base share, it is characterised in that described 2nd frame aperture
The sidewall of type is connected in sequence by first paragraph straight line, one section of circular arc and second segment straight line.
The pass schedule that rolling square billet the most according to claim 1 and circle base share, it is characterised in that described bottom land and institute
State and connected by gullet between sidewall.
The pass schedule that rolling square billet the most according to claim 1 and circle base share, it is characterised in that the one of described sidewall
By notch circular sliding slopes between end and the notch plane of roll gap.
The pass schedule that rolling square billet the most according to claim 1 and circle base share, it is characterised in that the chi of described square billet
Very little for 300mm × 400mm, the size of described round base is Φ 390mm, and described square billet and circle base are through described 6th frame breakdown pass
Rolling after the blank specification that obtains be 190mm × 230 mm.
The pass schedule that rolling square billet the most according to claim 1 and circle base share, it is characterised in that this pass schedule exists
Include the most successively after 6 frame breakdown pass 6 framves roll pass and 4 frame finishing groovees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570689.6U CN205762962U (en) | 2016-06-14 | 2016-06-14 | The pass schedule that rolling square billet and circle base share |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570689.6U CN205762962U (en) | 2016-06-14 | 2016-06-14 | The pass schedule that rolling square billet and circle base share |
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| CN205762962U true CN205762962U (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001119A (en) * | 2016-06-14 | 2016-10-12 | 大冶特殊钢股份有限公司 | Common pass system for rolling square blanks and circular blanks |
-
2016
- 2016-06-14 CN CN201620570689.6U patent/CN205762962U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001119A (en) * | 2016-06-14 | 2016-10-12 | 大冶特殊钢股份有限公司 | Common pass system for rolling square blanks and circular blanks |
| CN106001119B (en) * | 2016-06-14 | 2019-03-15 | 大冶特殊钢股份有限公司 | The pass schedule that rolling square billet and round billet share |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee after: Daye Special Steel Co., Ltd Address before: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee before: DAYE SPECIAL STEEL Co.,Ltd. |
|
| TR01 | Transfer of patent right |