CN203170770U - Bar material straightening roller and straightening machine - Google Patents
Bar material straightening roller and straightening machine Download PDFInfo
- Publication number
- CN203170770U CN203170770U CN2013201576090U CN201320157609U CN203170770U CN 203170770 U CN203170770 U CN 203170770U CN 2013201576090 U CN2013201576090 U CN 2013201576090U CN 201320157609 U CN201320157609 U CN 201320157609U CN 203170770 U CN203170770 U CN 203170770U
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- calender rolls
- intermediate calender
- straightening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a bar material straightening roller, which comprises a driving roller, an upper middle roller and a lower middle roller, wherein the roller type of the driving roller is a double-curve roller type, and the roller type of the upper middle roller and the lower middle lower is a single-curvature reverse bending roller type. Under the condition of not changing the structure of the existing straightening machine, a new roller type curve design method is adopted, and a set of fire-new roller type curves of the straightening roller can be obtained. Compared with the original roller type curve, the new roller type curve has the advantages that the range is more applicable to the production practical requirements at present, the straightening range of the straightening roller is changed and enlarged, the straightening quality of the straightening roller is improved, and the consumption of the straightening roller is reduced, so the requirement of the production process is met.
Description
Technical field
The utility model belongs to mechanical field, relates in particular to a kind of bar smoothing roll and straightener.
Background technology
Straightener is the equipment that shape, bar, tubing, wire rod etc. are aligned.Straightener pushes bar etc. by smoothing roll and makes it change linearity.Two row's smoothing rolls are generally arranged, and quantity does not wait.Two-roll straightening machine is also arranged, rely on the angle variation of two rollers (middle indent, hyperbola roller) that the material of different-diameter is aligned.Main type has gag straightener, balance to roll straightener, footwear roll straightener, rotation recurvation straightener etc.Be that the Chinese patent of 201195171Y discloses a kind of alloy roundwood high accuracy straightener as notification number, comprise the cloth platform, charging roller, aligning main frame, blanking roller-way, material-gathering device, hydraulic system, electric control system, the aligning main frame adopts two sections iso-curvature recurvation roll shapes, be configured to 2-2(8) composite roll system, 4 pairs of laterally zygomorphic smoothing rolls are set altogether, wherein one, four pair rollers are the hyperbola roll shape, two, three pair rollers are that lower roll is iso-curvature recurvation roll shape, and main frame links to each other with following, blanking roller-way by guider.
Smoothing roll is the key working part of straightener, straightener generally is divided into gag straightener, parallel rollers straightener, cross-roll straightening machine, rotation recurvation formula straightener and stretching and stretch bending-straightening machine, and under the situation that flattening precision is had relatively high expectations, the aligning of bar adopts cross-roll straightening machine to align more, as adopts straightener shown in Figure 1 to align.Roll factory in the Hangzhou Steel Company and can reach 800,000 tons medium-sized steel rolling mill for producing per year, milling equipment is open-train mill.The product of producing comprises Ф 58～Ф 150 round steel, light rail, heavy rail, U-shaped steel, mine timber, crawler belt steel, arc etc., and wherein the round steel annual production accounts for 70%, and Ф 100 above round steel reach 200,000 tons.And in to roll the existing bar straightener of factory be that 80,100 and 180 rods are rectified, strong the starting from 2006 of 180 rods come into operation so far, mainly bear the aligning task of whole Ф 105 above round steel and the aligning of Ф 80～Ф 100 round steel partly, a year aligning amount reaches more than 200,000 tons, and production task is heavy.Present aligning situation, the consumption of smoothing roll is bigger, and there is the gap in contact-making surface in the middle of occurring easily when aligning the round steel of big specification.
The utility model content
The utility model provides a kind of bar smoothing roll, under the condition that does not change existing straightener structure, rectifys the roller roller curve by improving rod, change and enlarge smoothing roll aligning scope, improve the straightening quality of smoothing roll, reduce smoothing roll consumption, thereby satisfy the requirement of production technology.
A kind of bar smoothing roll comprises drive roll, goes up intermediate calender rolls and following intermediate calender rolls, and the roll shape of described drive roll is the hyperbola roll shape, and the described roll shape that goes up intermediate calender rolls and following intermediate calender rolls is single-curvature recurvation roll shape.
Described drive roll is two groups, and the variable Z on the roll axial direction of the arbitrary drive roll roll shape curved surface in two groups of drive rolls and the radius R on the roll shaft cross section meet the following conditions:
Z
1=0mm，R
1=245.00mm；
Z
2=20mm，R
2=245.16mm；
Z
3=40mm，R
3=245.62mm；
Z
4=60mm，R
4=246.39mm；
Z
5=80mm，R
5=247.47mm；
Z
6=100mm，R
6=248.85mm；
Z
7=120mm，R
7=250.54mm；
Z
8=140mm，R
8=252.51mm；
Z
9=160mm，R
9=254.78mm；
Z
10=180mm，R
10=257.33mm；
Z
11=200mm，R
11=260.16mm；
Z
12=220mm，R
12=263.25mm；
Z
13=240mm，R
13=266.62mm；
Z
14=260mm，R
14=270.24mm；
Z
15=280mm，R
15=274.10mm；
Wherein Z is that the roller waist with drive roll is zero point.
Variable Z ＇ on the roll axial direction of the described upward roll shape curved surface of intermediate calender rolls and the radius R ＇ on the roll shaft cross section meet the following conditions:
Z＇
1=0mm，R＇
1=245.00mm；
Z＇
2=20mm，R＇
2=245.22mm；
Z＇
3=40mm，R＇
3=245.86mm；
Z＇
4=60mm，R＇
4=246.93mm；
Z＇
5=80mm，R＇
5=248.41mm；
Z＇
6=100mm，R＇
6=250.31mm；
Z＇
7=120mm，R＇
7=252.60mm；
Z＇
8=140mm，R＇
8=255.28mm；
Z＇
9=160mm，R＇
9=258.32mm；
Z＇
10=180mm，R＇
10=261.72mm；
Z＇
11=200mm，R＇
11=265.45mm；
Z＇
12=220mm，R＇
12=269.50mm；
Z＇
13=240mm，R＇
13=273.85mm；
Z＇
14=260mm，R＇
14=278.49mm；
Z＇
15=280mm，R＇
15=283.38mm；
Wherein Z ＇ is that the roller waist of above intermediate calender rolls is zero point.
Variable Z ＇ ＇ on the roll axial direction of the described roll shape curved surface of intermediate calender rolls down and the radius R ＇ ＇ on the roll shaft cross section meet the following conditions:
Z＇＇
1=0mm，R＇＇
1=245.00mm；
Z＇＇
2=20mm，R＇＇
2=245.09mm；
Z＇＇
3=40mm，R＇＇
3=245.36mm；
Z＇＇
4=60mm，R＇＇
4=245.81mm；
Z＇＇
5=80mm，R＇＇
5=246.44mm；
Z＇＇
6=100mm，R＇＇
6=247.24mm；
Z＇＇
7=120mm，R＇＇
7=248.23mm；
Z＇＇
8=140mm，R＇＇
8=249.39mm；
Z＇＇
9=160mm，R＇＇
9=250.73mm；
Z＇＇
10=180mm，R＇＇
10=252.25mm；
Z＇＇
11=200mm，R＇＇
11=253.95mm；
Z＇＇
12=220mm，R＇＇
12=255.82mm；
Z＇＇
13=240mm，R＇＇
13=257.86mm；
Z＇＇
14=260mm，R＇＇
14=260.09mm；
Z＇＇
15=280mm，R＇＇
15=262.48mm；
Wherein Z ＇ ＇ is that the roller waist of following intermediate calender rolls is zero point.
By using how much computational methods to calculate above-mentioned desirable roller curve, to improve the roller curve of drive roll, last intermediate calender rolls and following intermediate calender rolls better, provide theoretical foundation for improving the quality of products, reduce smoothing roll consumption.
Last intermediate calender rolls and following intermediate calender rolls roll shape adopt single-curvature recurvation roller curve, cooperatively interact with drive roll, and this curve roll shape is different from general roller curve between the roll shape of two rollers aligning with unidirectional three curvature press-bending roll shapes.Intermediate calender rolls adopts single-curvature recurvation roller curve can make the pipe bar be aligned the flattening precision height end to end fully.
As preferably, described drive roll, go up intermediate calender rolls, the roller of intermediate calender rolls is long down is 680mm.
As preferably, described drive roll, go up intermediate calender rolls, the material of intermediate calender rolls is high-chromium alloy down.
As preferably, described drive roll, go up intermediate calender rolls, the roll surface hardness HS of intermediate calender rolls is 85-90 down.
As preferably, described drive roll, go up intermediate calender rolls, the through hardening layer of intermediate calender rolls is 10-15mm down.
Parameters such as drive roll, the above-mentioned roller length that goes up intermediate calender rolls and following intermediate calender rolls, roll surface hardness can be selected as the case may be, but select the smoothing roll of above-mentioned nature and characteristic for use, can more be conducive to smoothing roll to the aligning of bar, have more practical significance.
The utility model also provides a kind of straightener, and this straightener has above-mentioned smoothing roll, can obviously improve product aligning rate.
A kind of straightener that has above-mentioned bar smoothing roll.
The utlity model has following advantage:
1, under the situation that does not change existing straightener structure, the utility model uses new roller type curve design method, has obtained the brand-new smoothing roll roller curve of a cover, compares its scope of former roller curve and more is applicable to present production actual demand.
2, the processing and manufacturing of the utility model roll shape is simple, is applied on the straightener, can significantly improve product aligning rate and operating efficiency.
Description of drawings
Fig. 1 is bar straightener schematic diagram of the present utility model.
Fig. 2 is the shape assumption diagram of drive roll of the present utility model;
Fig. 3 is the shape assumption diagram of going up intermediate calender rolls of the present utility model;
Fig. 4 is the shape assumption diagram of intermediate calender rolls down of the present utility model.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is described in further detail, but should not be construed as restriction scope of the present utility model.
As shown in Figure 1, a kind of bar smoothing roll comprises three groups of rollers, is respectively drive roll a, drive roll c, intermediate calender rolls b.Each group roller all comprises upper and lower two smoothing rolls, and upper and lower two smoothing rolls become X-shaped to intersect.
Shown in Fig. 2-4, drive roll a, drive roll c, intermediate calender rolls b(are divided into intermediate calender rolls and following intermediate calender rolls) the roll shape curved surface be to be formed by connecting by reverse three sections tangent camber lines, three sections camber lines are respectively arc AB, arc BC and arc CD, these camber lines are pressed smooth connection shown in the figure, fillet and curved surface rounding off.Wherein, the arc AB of drive roll a and drive roll c and arc CD are circular arc, and arc BC is hyperbola.
As shown in Figure 2, Fig. 2 is the shape assumption diagram of drive roll a and drive roll c, roller waist φ=490mm of drive roll a and drive roll c, the long 680mm of roller, hyperbola roll shape.Drive roll a and drive roll c are that the employing high-chromium alloy is material, and roll surface hardness HS is 85-90, and the through hardening layer of roller is 10-15mm.
The roller curve of the drive roll in the drive roll of present embodiment and the existing straightener is different, and concrete contrast sees Table 1.
Table 1
Wherein, Z is the variable on the drive roll roll axial direction, and it is that the roller waist with drive roll is zero point, and the variable that goes forward one by one along the drive roll roll shaft to roller end, unit are mm.R is the radius on the roll shaft cross section, and unit is mm.
As shown in Figure 3, Fig. 3 is the shape assumption diagram of last intermediate calender rolls, the roller waist φ=490mm of last intermediate calender rolls, the long 680mm of roller, single-curvature recurvation roller curve.Last intermediate calender rolls is that the employing high-chromium alloy is material, and roll surface hardness HS is 85-90, and the through hardening layer of roller is 10-15mm.
The roller curve of the last intermediate calender rolls in the last intermediate calender rolls of present embodiment and the existing straightener is different, and concrete contrast sees Table 2.
Table 2
Wherein, Z ＇ is the variable on the roll axial direction, and it is that the roller waist of above intermediate calender rolls is zero point, and along the variable that last intermediate calender rolls roll shaft goes forward one by one to roller end, unit is mm.R ＇ is the radius on the roll shaft cross section, and unit is mm.
As shown in Figure 4, Fig. 4 is the shape assumption diagram of following intermediate calender rolls, the roller waist φ=490mm of following intermediate calender rolls, the long 680mm of roller, single-curvature recurvation roller curve.Following intermediate calender rolls is that the employing high-chromium alloy is material, and roll surface hardness HS is 85-90, and the through hardening layer of roller is 10-15mm.
The roller curve of the following intermediate calender rolls in the following intermediate calender rolls of present embodiment and the existing straightener is different, and concrete contrast sees Table 3.
Table 3
Wherein, Z ＇ ＇ is the variable on the roll axial direction, and it is that the roller waist of following intermediate calender rolls is zero point, and along the variable that following intermediate calender rolls roll shaft goes forward one by one to roller end, unit is mm.R ＇ ＇ is the radius on the roll shaft cross section, and unit is mm.
Claims (8)
1. a bar smoothing roll comprises drive roll, goes up intermediate calender rolls and following intermediate calender rolls, it is characterized in that the roll shape of described drive roll is the hyperbola roll shape, and the described roll shape that goes up intermediate calender rolls and following intermediate calender rolls is single-curvature recurvation roll shape.
2. bar smoothing roll according to claim 1 is characterized in that, described drive roll is two groups, and the variable Z on the roll axial direction of the arbitrary drive roll roll shape curved surface in two groups of drive rolls and the radius R on the roll shaft cross section meet the following conditions:
Z
1=0mm，R
1=245.00mm；
Z
2=20mm，R
2=245.16mm；
Z
3=40mm，R
3=245.62mm；
Z
4=60mm，R
4=246.39mm；
Z
5=80mm，R
5=247.47mm；
Z
6=100mm，R
6=248.85mm；
Z
7=120mm，R
7=250.54mm；
Z
8=140mm，R
8=252.51mm；
Z
9=160mm，R
9=254.78mm；
Z
10=180mm，R
10=257.33mm；
Z
11=200mm，R
11=260.16mm；
Z
12=220mm，R
12=263.25mm；
Z
13=240mm，R
13=266.62mm；
Z
14=260mm，R
14=270.24mm；
Z
15=280mm，R
15=274.10mm；
Wherein Z is that the roller waist with drive roll is zero point.
3. bar smoothing roll according to claim 1 is characterized in that, the variable Z ＇ on the roll axial direction of the described upward roll shape curved surface of intermediate calender rolls and the radius R ＇ on the roll shaft cross section meet the following conditions:
Z＇
1=0mm，R＇
1=245.00mm；
Z＇
2=20mm，R＇
2=245.22mm；
Z＇
3=40mm，R＇
3=245.86mm；
Z＇
4=60mm，R＇
4=246.93mm；
Z＇
5=80mm，R＇
5=248.41mm；
Z＇
6=100mm，R＇
6=250.31mm；
Z＇
7=120mm，R＇
7=252.60mm；
Z＇
8=140mm，R＇
8=255.28mm；
Z＇
9=160mm，R＇
9=258.32mm；
Z＇
10=180mm，R＇
10=261.72mm；
Z＇
11=200mm，R＇
11=265.45mm；
Z＇
12=220mm，R＇
12=269.50mm；
Z＇
13=240mm，R＇
13=273.85mm；
Z＇
14=260mm，R＇
14=278.49mm；
Z＇
15=280mm，R＇
15=283.38mm；
Wherein Z ＇ is that the roller waist of above intermediate calender rolls is zero point.
4. bar smoothing roll according to claim 1 is characterized in that, the variable Z ＇ ＇ on the roll axial direction of the described roll shape curved surface of intermediate calender rolls down and the radius R ＇ ＇ on the roll shaft cross section meet the following conditions:
Z＇＇
1=0mm，R＇＇
1=245.00mm；
Z＇＇
2=20mm，R＇＇
2=245.09mm；
Z＇＇
3=40mm，R＇＇
3=245.36mm；
Z＇＇
4=60mm，R＇＇
4=245.81mm；
Z＇＇
5=80mm，R＇＇
5=246.44mm；
Z＇＇
6=100mm，R＇＇
6=247.24mm；
Z＇＇
7=120mm，R＇＇
7=248.23mm；
Z＇＇
8=140mm，R＇＇
8=249.39mm；
Z＇＇
9=160mm，R＇＇
9=250.73mm；
Z＇＇
10=180mm，R＇＇
10=252.25mm；
Z＇＇
11=200mm，R＇＇
11=253.95mm；
Z＇＇
12=220mm，R＇＇
12=255.82mm；
Z＇＇
13=240mm，R＇＇
13=257.86mm；
Z＇＇
14=260mm，R＇＇
14=260.09mm；
Z＇＇
15=280mm，R＇＇
15=262.48mm；
Wherein Z ＇ ＇ is that the roller waist of following intermediate calender rolls is zero point.
5. bar smoothing roll according to claim 1 is characterized in that, the roller of described drive roll, last intermediate calender rolls, following intermediate calender rolls is long to be 680mm.
6. bar smoothing roll according to claim 1 is characterized in that, the roll surface hardness HS of described drive roll, last intermediate calender rolls, following intermediate calender rolls is 85-90.
7. bar smoothing roll according to claim 1 is characterized in that, the through hardening layer of described drive roll, last intermediate calender rolls, following intermediate calender rolls is 10-15mm.
8. straightener that has arbitrary described bar smoothing roll among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201576090U CN203170770U (en) | 2013-04-01 | 2013-04-01 | Bar material straightening roller and straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201576090U CN203170770U (en) | 2013-04-01 | 2013-04-01 | Bar material straightening roller and straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170770U true CN203170770U (en) | 2013-09-04 |
Family
ID=49067525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201576090U Expired - Fee Related CN203170770U (en) | 2013-04-01 | 2013-04-01 | Bar material straightening roller and straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691774A (en) * | 2013-12-20 | 2014-04-02 | 鞍钢股份有限公司 | Straightening method of seamless pipe |
| CN109821932A (en) * | 2019-01-31 | 2019-05-31 | 山东钢铁股份有限公司 | Crawler belt steel roller low temperature apparatus for correcting |
-
2013
- 2013-04-01 CN CN2013201576090U patent/CN203170770U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691774A (en) * | 2013-12-20 | 2014-04-02 | 鞍钢股份有限公司 | Straightening method of seamless pipe |
| CN109821932A (en) * | 2019-01-31 | 2019-05-31 | 山东钢铁股份有限公司 | Crawler belt steel roller low temperature apparatus for correcting |
| CN109821932B (en) * | 2019-01-31 | 2023-09-05 | 山东钢铁股份有限公司 | Rolling type low-temperature correcting device for track steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108246847B (en) | Double curve degree composite plate curved surface compound bending manufacturing process | |
| CN102886394B (en) | Tension straightening method and device for wide and thick sheet metal straightener | |
| CN204564759U (en) | A kind of roll leveller | |
| CN103028601B (en) | Continuous rolling and continuous roller forming method and device thereof | |
| CN103551437B (en) | A kind of hundred meters of high speed heavy rail production methods of microstress | |
| CN103071703A (en) | Section steel straightening device and method | |
| CN202316578U (en) | Strip steel descaling device | |
| CN203170770U (en) | Bar material straightening roller and straightening machine | |
| CN203265319U (en) | Moderate straightening device for continuous heat treatment production line | |
| CN103949502B (en) | Bending guide rod straightener | |
| CN102513470B (en) | Technology for forming drawer-type linear guide rail | |
| CN106540990A (en) | A kind of distribution method of strip steel stretch bending-straightening machine tension force and Bent mirror | |
| CN106984647A (en) | A kind of angle steel cutting and rolling method and roller assembly used | |
| CN101249534A (en) | Leveling device of sheet material flattening machine | |
| CN205926721U (en) | Camber arch machine | |
| CN103394553B (en) | Efficient steel tube straightening device | |
| CN202655332U (en) | Ten-roll rolling mill for rolling sheet metal strip | |
| CN202367006U (en) | Section steel rolling and straightening machine | |
| CN105081010A (en) | Plate stacking straightening method for centre wave buckling of thin-specification high-strength plate | |
| CN104815881A (en) | Bending method for three-roller plate bending machine | |
| CN202752398U (en) | V-shaped straightening roller for online high-temperature round straightener | |
| CN201161260Y (en) | Improved continuous groove-strip sectional material bending and molding apparatus | |
| CN203791407U (en) | Bent guide rod straightening device | |
| CN203316524U (en) | 9-13 meter stainless steel clad plate crosswise positive and negative straightener | |
| CN206838996U (en) | The steel wire of wire reinforced plastic cement pipe machine, which grinds, send device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |