CN1291118C - H-shaped section bar having transverse wave form webs, its making process and forming apparatus for transverse wave form webs - Google Patents
H-shaped section bar having transverse wave form webs, its making process and forming apparatus for transverse wave form webs Download PDFInfo
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- CN1291118C CN1291118C CN 200310106253 CN200310106253A CN1291118C CN 1291118 C CN1291118 C CN 1291118C CN 200310106253 CN200310106253 CN 200310106253 CN 200310106253 A CN200310106253 A CN 200310106253A CN 1291118 C CN1291118 C CN 1291118C
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Abstract
The present invention discloses an H-shaped steel product of a transversal wavy web plate, which is formed by welding a web plate and two side wing plates, wherein the web plate is positioned between the two side wing plates. The steel product is characterized in that the web plate is a wavy web plate having transversal ripples. The present invention also discloses a manufacturing process for the H-shaped steel product of a transversal wavy web plate and a one-time connection cold bending rolling forming device for manufacturing the transversal wavy web plate. The key components of the forming device are a pair of denticulated roll forming devices. The H-shaped steel product of the present invention has the characteristics of light weight, large bearing capacity, simple manufacturing process and apparatus.
Description
Technical field
The present invention relates to the structural steelwork section bar, specifically corrugated web H shaped steel Materials And Manufacturing Processes.
Background technology
H formed steel construction section bar is widely used in building, bridge, exhibition hall, crane and rolls aspects such as track.H shaped steel section bar has hot rolling to be shaped, welding fabrication is also arranged, hot rolling shaping and welding fabrication respectively have advantage, but the H structural section that mostly is welding fabrication greatly that uses in the present engineering, there is a web at the middle part of the H structural section of this welding fabrication, and web all adopts flat structure for a long time always, though the H structural section intensity of this plate web is good, but its consumptive material is many, cost is high, has increased financial burden to the user, has increased construction costs.
Summary of the invention
The purpose of this invention is to provide a kind of under the prerequisite that satisfies the carrying mechanical property, the novel horizontal waveform web H structural section that consumptive material is few, in light weight, cost is low, manufacturing process and the rolling horizontal corrugated web building mortion of a kind of disposable continuous clod wash.
Technical scheme of the present invention is:
A kind of disposable continuous clod wash roll forming device of horizontal corrugated web, comprise decoiling equipment, leveling apparatus, fixed-length cutting device, receiving system, decoiling equipment and receiving system are positioned at two ends of whole shaped device, leveling apparatus, fixed-length cutting device are installed between decoiling equipment and the receiving system successively, it is characterized in that between leveling apparatus and fixed-length cutting device, roll forming device being installed, described roll forming device comprises two profile of tooth rolls, and two upper and lower installations of profile of tooth roll are also nibbled mutually.
The profile of tooth of described profile of tooth roll is circular arc, involute shape or trapezoidal.
A kind of horizontal waveform web H structural section of making by above-mentioned shaped device, be welded by web and two side wings, web is positioned among two side wings, it is characterized in that described web is the continuous wave web of the band transverse wave of disposable continuous clod wash roll forming.
The ripple section of above-mentioned continuous wave web is circular arc, involute shape or trapezoidal; Corrugated web and every side wing be connected starting point and terminal point lay respectively at this side wing on the angle point.To guarantee the carrying uniformity of H structural section of the present invention.
Horizontal waveform web H structural section manufacturing process feature of the present invention is:
(1) at first make horizontal corrugated web, can adopt one of following three kinds of methods to produce:
A, single steel plate is adopted the vertical corrugated web of continuous roll type cold bending machining, vertical corrugated web cutting back welding is formed the horizontal corrugated web of required specification;
B, will be with steel to adopt the step-by-step movement punching machine, stamp out horizontal corrugated web, cut off the horizontal corrugated web that the back becomes required specification;
C, the horizontal corrugated web of disposable continuous clod wash roll forming that will also cut off the required specification of formation with the corrugated web that steel adopt disposable continuous clod wash roll forming device to make the band transverse wave;
(2) secondly adopt the method for welding to produce finished product:, promptly to obtain horizontal waveform web H structural section with the horizontal corrugated web of aforementioned A, B or C method manufacturing gained and the two side wings welding of same size.
Also should proceed correction under the common process and surfacing behind the H structural section welding forming of the present invention to improve the quality of products and aesthetic property.Correction can be adopted mechanical checkout, also can adopt heat treated way to proofread and correct; Surfacing comprises conventional methods such as solder joint cleaning, surface derusting, paint.
For guaranteeing welding quality of the present invention, can be before welding with two side wings and corrugated web group on the frock to after weld, the purpose of frock mainly has been to locate and clamping action, and is simple in structure, but self design.Welding can adopt common metal Welding Method ﹠ Equipment such as artificial weldering, automatic weldering to carry out.
Beneficial effect of the present invention:
1, the supporting capacity of the H structural section with disposable progressive forming corrugated web of the present invention, rigidity and antitorque commentaries on classics are better than traditional hot rolling i iron or H structural section, this mainly is owing to be that straight line connects between traditional its web of hot rolling type section bar and the wing plate, and web of the present invention be even branch and circular-arc or trapezoidal shape, the contact surface of web and wing plate increases, the strong point increases, so no matter analyze from angle directly perceived or point of theory, but the corrugated web is all than high many of dull and stereotyped rigidity and supporting capacity, reasonably combined by material and thickness simultaneously can make the mechanical property of section bar of the present invention reach optimization.
2, H structural section of the present invention can alleviate construction weight to greatest extent under the prerequisite that satisfies identical carrying mechanical property, reduces structural cost, saves cost and resource.Section bar of the present invention and hot rolling type i iron, H shaped steel are under equal supporting capacity condition, every meter can be reduced weight 45～65%, compare with common weld type H structural section, but every meter weight reduction 32%, the material-saving effect is very obvious, thereby can save engineering material cost greatly.
3, H structural section of the present invention compared with prior art, its specification limit is further widened, can be made into the super long type section bar, this be existing section bar can't realize, so its specification limit further enlarges, the size range of the height H of the web of H structural section of the present invention, the width B of wing plate, length L can reach respectively: H=300～6000mm, B=100～800mm, L=3000～25000mm; Simultaneously, its specifications vary was more flexible when section bar of the present invention was made, as long as on wave mode web extrusion forming device, control the cut-out size well, can produce the section bar of different size specification at any time, overcome specification variation difficulty, long defective of cycle in the existing H structural section manufacturing.
4, the horizontal corrugated web building mortion of disposable continuous clod wash roll forming provided by the invention is simple in structure, the efficient height, be suitable for large-scale industrial production, decoiling equipment wherein, leveling apparatus, fixed-length cutting device, receiving system is the manufacturing industry common equipment, can directly buy from market or make by oneself, roll forming device structure wherein is also quite simple, mainly by last, the lower toothed roll is formed, its design and manufacturing are also quite easy, on, the driving of lower toothed roll can be adopted motor direct-drive, also can drive by other power set, each device is self-contained unit, and they are linked to be an integral body by the steel band in the process.In addition, except that roll forming device, all there is relevant device in most of weld type H structural section manufacturing enterprise in the building mortion of the present invention.
5, disposable progressive forming corrugated web shaped device of the present invention can process the corrugated web of endless in theory, be equipped with the corrugated web that shearing device can process random length, and can produce continuously, the efficient height, steady quality is reliable simultaneously, and the processing and manufacturing cost is low, automaticity is high.
6, a kind of direct utilization provided by the invention once connects the direct and wing plates on two sides welding of wave mode web of shaping, technology is simple, quality good, work efficiency is high, be easy to welding, welding procedure is identical with common process, welding preparation, welding equipment there is not specific (special) requirements, both can manually weld, and also can adopt automatic welding device to weld, can extensively promote the use, have small investment, instant effect, product has the very strong market competitiveness.
7, the applied range of product, can be widely used in occasions such as building, bridge, ground, road, low story dwelling, prefabricated house, bearing guide rail, has advantage in light weight, that bearing capacity is high, cost is low, both can work as H shaped steel uses, also can work as i iron uses, both can vertically use, but also water uses.
8, the present invention both can be used for newly-set-up enterprise, also can be used for existing relevant manufacturing enterprise is undergone technological transformation, have that improvement cost is low, small investment, cycle are short, the characteristics of instant effect, and be very favourable to improving enterprise product class and competitiveness, have excellent popularization and be worth.
Description of drawings
Fig. 1 is a H structural section product structure schematic diagram of the present invention.
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Fig. 3 is a shaped device structural representation of the present invention.
Fig. 4 is the vertical view of Fig. 3.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
A kind of horizontal waveform web H structural section is welded by web 1 and two side wings 2,3, and web 1 is positioned among two side wings 2,3, it is characterized in that the corrugated web of described web 1 for the band transverse wave.As shown in Figure 1, the H among the figure, B, L are respectively the web height of H structural section of the present invention, the width and the length of wing plate, and its size range is respectively: H=300～6000mm, B=100～800mm, L=3000～25000mm.
Horizontal corrugated web 1 of the present invention can be a welding forming, also can be disposable continuous clod wash roll forming, but is the best with the corrugated web of the band transverse wave of disposable continuous clod wash roll forming.
The ripple section of corrugated web 1 can be circular arc, involute shape or trapezoidal; When corrugated web 1 and every side wing 2 or 3 welding be connected starting point C and terminal point D should lay respectively at this side wing on the angle point, to guarantee the carrying uniformity of H structural section of the present invention.
Horizontal waveform web H structural section manufacturing process feature of the present invention is:
(1) at first make horizontal corrugated web, can adopt one of following three kinds of methods to produce:
A, single steel plate is adopted the vertical corrugated web of continuous roll type cold bending machining, after vertical corrugated web cutting,, then the piece welding is formed the horizontal corrugated web of required specification earlier along former steel plate width splicing;
B, will be with steel to adopt the step-by-step movement punching machine, stamp out horizontal corrugated web, cut off the horizontal corrugated web that the back becomes required specification; Adopting the step-by-step movement punching machine to add man-hour is to utilize one section on mould, one section ground to stamp out horizontal corrugated web, is trapezoidal web manufacturing so be suitable for waveform.
C, the horizontal corrugated web of disposable continuous clod wash roll forming that will also cut off the required specification of formation with the corrugated web that steel adopt disposable continuous clod wash roll forming device to make the band transverse wave; The waveform that utilizes the corrugated web of this method manufacturing can be circular arc, involute shape or trapezoidal, and its shape depends on the shape of rolling pressure roller.
(2) secondly adopt the method for welding to produce finished product:, promptly to obtain horizontal waveform web H structural section with the horizontal corrugated web of aforementioned A, B or C method manufacturing gained and the two side wings welding of same size.
Also should proceed correction under the common process and surfacing behind the H structural section welding forming of the present invention to improve the quality of products and aesthetic property.Correction can be adopted mechanical checkout, also can adopt heat treated way to proofread and correct; Surfacing comprises conventional methods such as solder joint cleaning, surface derusting, paint.
For guaranteeing welding quality of the present invention, can be before welding with two side wings and corrugated web group on the frock to after weld, group is welded automatically to being meant web to be welded, two side wings are installed on the frock for artificial or machine, the purpose of frock mainly has been location and clamping action, simple in structure, but self design.Welding can adopt common metal Welding Method ﹠ Equipment such as artificial weldering, automatic weldering to carry out.Can adopt electric welding, gas welding, argon arc welding, CO
2A kind of in the method for weldering or the like.
In a word, the manufacturing process of H structural section of the present invention is except that the manufacturing forming process of corrugated web and traditional technology are distinguished to some extent, and all the other are identical with common process, to welding prepare, welding equipment do not have specific (special) requirements yet.
For enhancing productivity and improving the quality of products, overcome the part defective that the weld type transversal web may exist, the invention provides the disposable continuous clod wash roll forming device of a kind of horizontal corrugated web, it comprises decoiling equipment 4, leveling apparatus 5, roll forming device 7, fixed-length cutting device 8, receiving system 9, it is characterized in that roll forming device 7 comprises 10,11, two profile of tooth roll 10,11 upper and lower installations of two profile of tooth rolls and nibbling mutually; Web-like band steel 12 is installed on the decoiling equipment 4, become dull and stereotyped band steel 12 after passing leveling apparatus 5 smoothings, after centralising device 6 centerings, enter between two profile of tooth rolls 10,11, two profile of tooth roll 10,11 engagements are with steel 12 to be pressed into horizontal corrugated web flat board, and pass from the opposite side of two profile of tooth rolls 10,11, enter fixed-length cutting device 8 and cut off the back by the length of setting and form required horizontal corrugated web 1, enter receiving system 9.Above-mentioned decoiling equipment 4, leveling apparatus 5, centralising device 6, roll forming device 7, fixed-length cutting device 8, receiving system 9 are self-contained unit, and they are linked to be an integral body by the steel band in the process 12.The thickness of band steel 12 can be chosen between 5～10mm.Web-like band steel 12 can be made by oneself, also can directly purchase from the market.Also be to utilize conventional uncoiling unit during self-control, at first will utilize the uncoiler uncoiling from the coil of strip that steel mill buys after, cut edge, cut, roll into the coil of strip of Fixed width then through devices for taking-up.
The profile of tooth of two profile of tooth rolls 10,11 of installing on the roll forming device 7 can be involute shape, circular arc or trapezoidal, and two profile of tooth rolls of present embodiment are circular arc font code gear roll, shown in Fig. 2,3.
Decoiling equipment 4 wherein, leveling apparatus 5, centralising device 6, fixed-length cutting device 8, receiving system 9 are the manufacturing industry common equipment, can directly buy from market or make by oneself, roll forming device 7 structures wherein are also quite simple, mainly form by upper and lower profile of tooth roll 10,11, its design and make also quite easyly, upper and lower profile of tooth is rolled and is rolled 10,11 driving and can adopt motor to pass through actuator drives.Above-mentioned each device is self-contained unit, and they are linked to be an integral body by the steel band in the process 12.In addition, except that roll forming device 7, all there is relevant device in most of section bar manufacturing enterprise in the building mortion of the present invention, can come into operation as long as improve a little.
Horizontal corrugated web of the present invention is meant that the cross sectional shape of using face parallel with wing plate and web to intersect gained is wave (circular arc, an involute shape or trapezoidal).
The material-saving effect of H structural section of the present invention and hot rolling type i iron, hot rolling type H structural section and common weld type H structural section is shown in subordinate list.RSP represents the H structural section of the horizontal corrugated web of the disposable continuous clod wash roll forming of employing of the present invention in the table.
Subordinate list: RSP and close hot rolling i iron, H shaped steel and common welded H section steel compare
| RSP | The hot rolling i iron | |||||
| Number number | Moment of inertia (Ix) cm4 | Substance kg/m | Model | Moment of inertia (Ix) cm4 | Substance kg/m | Save material for every meter and weigh % |
| 3 | 9115 | 24.50 | 28b | 7480 | 47.89 | 48.84 |
| 4 | 11586 | 25.83 | 32b | 11600 | 57.74 | 55.26 |
| 6 | 17486 | 30.12 | 36c | 17300 | 71.34 | 57.78 |
| 11 | 22854 | 37.56 | 40b | 22800 | 73.88 | 49.16 |
| 13 | 33182 | 42.75 | 45a | 32200 | 80.42 | 46.84 |
| 16 | 52278 | 49.41 | 50c | 50600 | 109.35 | 54.81 |
| 18 | 67409 | 55.98 | 55a | 65600 | 106.32 | 47.35 |
| 26 | 92428 | 71.04 | 63a | 93900 | 121.41 | 41.49 |
| RSP | H shaped steel | |||||
| Number number | Moment of inertia (Ix) cm4 | Substance kg/m | Model | Moment of inertia (Ix) cm4 | Substance kg/m | Save material for every meter and weigh % |
| 3 | 9115 | 24.50 | HP250*250 | 8790 | 64.4 | 61.96 |
| 4 | 11586 | 25.83 | HW250*250 | 11500 | 82.2 | 68.58 |
| 6 | 17486 | 30.12 | HW300*300 | 17000 | 85 | 64.56 |
| 11 | 22854 | 37.56 | HW300*300 | 21600 | 106 | 64.57 |
| 13 | 33182 | 42.75 | HW350*350 | 33300 | 115 | 62.83 |
| 16 | 52278 | 49.41 | HW400*400 | 56400 | 147 | 66.39 |
| 18 | 67409 | 55.98 | 66900 | 172 | 67.45 | |
| 26 | 92428 | 71.04 | 93000 | 233 | 69.51 | |
| 4 | 11586 | 25.83 | HN350*175 | 11200 | 41.8 | 38.21 |
| 6 | 17486 | 30.12 | HN400*150 | 18800 | 55.8 | 46.02 |
| 11 | 22854 | 37.56 | HN400*200 | 23700 | 66 | 43.09 |
| 13 | 33182 | 42.75 | HN450*200 | 33700 | 78.5 | 45.54 |
| 16 | 52278 | 49.41 | HN500*200 | 56500 | 103 | 52.03 |
| 18 | 67409 | 55.98 | HN650*200 | 69300 | 95.1 | 41.14 |
| 26 | 92428 | 71.04 | 91000 | 120 | 40.80 | |
| RSP | Common welded H section steel | |||||
| Number number | Moment of inertia (Ix) cm4 | Substance kg/m | Model | Moment of inertia (Ix) cm4 | Substance kg/m | Save material for every meter and weigh % |
| 3 | 9115 | 24.50 | 350*150 | 8882011 | 34.57 | 29.13 |
| 4 | 11586 | 25.83 | 350*200 | 11221.81 | 40.85 | 36.77 |
| 6 | 17486 | 30.12 | 400*200 Tw＝6.0，Tf＝8.0 | 15125.98 | 43.21 | 30.29 |
| 400*200 Tw＝4.5，Tf＝9.0 | 15852.98 | 41.75 | 27.86 | |||
Annotate: the wide edge H of the data representation of H shaped steel shaped steel in the table, HN represents narrow edge of a wing H shaped steel.
Claims (4)
1, a kind of disposable continuous clod wash roll forming device of horizontal corrugated web, comprise decoiling equipment, leveling apparatus, fixed-length cutting device, receiving system, decoiling equipment and receiving system are positioned at two ends of whole shaped device, leveling apparatus, fixed-length cutting device are installed between decoiling equipment and the receiving system successively, it is characterized in that between leveling apparatus and fixed-length cutting device, roll forming device being installed, described roll forming device comprises two profile of tooth rolls, and two upper and lower installations of profile of tooth roll are also nibbled mutually.
2, corrugated web H structural section one-time continuous shaping waveform web formation device according to claim 1, the profile of tooth that it is characterized in that described profile of tooth roll is circular arc, involute shape or trapezoidal.
3, a kind of horizontal waveform web H structural section of making by the described shaped device of claim 1, be welded by web and two side wings, web is positioned among two side wings, it is characterized in that described web is the continuous wave web of the band transverse wave of disposable continuous clod wash roll forming.
4, corrugated web H structural section according to claim 3, the ripple section that it is characterized in that described continuous wave web is circular arc, involute shape or trapezoidal; Corrugated web and every side wing be connected starting point and terminal point lay respectively at this side wing on the angle point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106253 CN1291118C (en) | 2003-11-11 | 2003-11-11 | H-shaped section bar having transverse wave form webs, its making process and forming apparatus for transverse wave form webs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106253 CN1291118C (en) | 2003-11-11 | 2003-11-11 | H-shaped section bar having transverse wave form webs, its making process and forming apparatus for transverse wave form webs |
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| CN1544776A CN1544776A (en) | 2004-11-10 |
| CN1291118C true CN1291118C (en) | 2006-12-20 |
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| CN102704567A (en) * | 2011-03-28 | 2012-10-03 | 魏龙淮 | H-shaped steel structural part and production method thereof |
| CN102704620B (en) * | 2012-06-28 | 2015-04-08 | 山东大学 | Solid-web H-shaped honeycomb steel beam for polygonal hole |
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| CN102862034B (en) * | 2012-09-29 | 2014-11-05 | 湖北弘毅钢结构工程有限公司 | Continuous production method for corrugated web H-beam |
| CN103861886A (en) * | 2012-12-10 | 2014-06-18 | 烟台新科钢结构有限公司 | Wave web H-shaped steel production process |
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| CN103056610A (en) * | 2012-12-18 | 2013-04-24 | 湖北弘毅钢结构工程有限公司 | H-shaped steel online continuous production method |
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Application publication date: 20041110 Assignee: JIANGSU SHUNLI COLD-FORMED STEEL INDUSTRIAL CO.,LTD. Assignor: Wang Yin Contract record no.: 2010320000212 Denomination of invention: H-shaped section bar having transverse wave form webs, its making process and forming apparatus for transverse wave form webs Granted publication date: 20061220 License type: Exclusive License Record date: 20100312 |
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