CN204524797U - A kind of production system of channel steel - Google Patents
A kind of production system of channel steel Download PDFInfo
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- CN204524797U CN204524797U CN201520164274.4U CN201520164274U CN204524797U CN 204524797 U CN204524797 U CN 204524797U CN 201520164274 U CN201520164274 U CN 201520164274U CN 204524797 U CN204524797 U CN 204524797U
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- milling train
- channel steel
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- rolling
- groove
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Abstract
The utility model provides a kind of production system of channel steel, comprises the feeding device, heater, Hot Rolling Mill, the roll bending unit that set gradually and cuts length measuring device; Select flat steel billet materials, after the heating of electrical induction device, enter in the milling train of two frames and be rolled distortion, it is thinning that first passage is used for thickness, second passage is for the plate formation type of rolled piece section before hot bending, and two rolling mills carry out distortion rolling to raw material simultaneously, in tandem rolling state.Through the two passage hot rollings simplified, roll out each section thickness after channel steel tiling expansion and template, recycling waste heat enters continuous hot bending unit and carries out hot bending, after scale sawing, cooling and finishing process, obtain channel steel product.The utility model simplifies production process, simplifies groove rolling passage, lowers production difficulty, improves and is produced into power, lumber recovery; Reduce milling train quantity, shorten production line, realize short route and produce, reduce investment and follow-up maintenance cost.
Description
Technical field
The utility model relates to iron and steel metallurgical industry rolling technical field, particularly a kind of production system of Novel compact formula short route channel steel.
Background technology
Conduit steel is a kind of grooved (or claiming C type), and leg is with the steel of certain profile of tooth, by modes such as welding with upper links/rivet, is embedded in concrete, and surface is concordant with concrete.Conduit steel has Multiple Type, and it has an anti-loosening design, by special T-shaped bolt with the use of, both fastening convenience, also can regulate arbitrarily, are the first-selected securing member of many Larger Engineering Projects as railway tunnel, bridge, airport etc.Along with the develop rapidly of China's high ferro, this product after Coating process, because of its higher antiseptic power, outstanding dynamic load ability, is installed on the features such as easy to maintenance, safe and reliable, is used widely in high ferro tunnel and approves.
Current external German HALFEN conduit steel occupies China staple market, and separately some is provided by domestic professional production enterprise.The production of current conduit steel adopts groove rolling to add roll shape bending molding process, namely rolled piece in the middle of being first rolled into the rectangle of big cross section/square raw material needed for roll bending " M " type by traditional pass rolling mode, and then by the effigurate roll shape roll of band, " M " type rolled piece is bent to finished section finished product, as depicted in figs. 1 and 2, because current main rolling deformation operation adopts be: traditional multi-pass groove rolling method is produced.The drawback of this production method mainly contains: plant equipment is old, complicated, heavy; Groove rolling complex procedures, loaded down with trivial details; Hole type design required precision is higher, and guide unit design is complicated, produces adjustment difficulty large; Rolling pass is many, and roll consumption is high; Subsequent thermal roll forming is also carried out on conventional mill, makes to produce conduit steel based on this traditional processing technology, and roll useless probability large, lumber recovery is low, is generally no more than 90%, causes production cost high.
Utility model content
The deficiencies in the prior art in view of the above, the object of utility model is the production system providing a kind of channel steel, by hot rolling and the online seamless connection of hot bending, while simplifying hot-rolled process, improve product lumber recovery, reduce and roll useless rate, reduce production cost, enhance productivity.
For achieving the above object and other relevant objects, the utility model provides a kind of production system of channel steel, comprises the feeding device, heater, Hot Rolling Mill, the roll bending unit that set gradually and cuts length measuring device; Described Hot Rolling Mill at least comprises for the first milling train of thinning sotck thinkness with for shaping the second milling train in plate face, the forming tank that the section thickness that the roll of described second milling train being provided with to tile with channel steel launches is corresponding.
The Main Function of the first milling train: thickness is thinning provides supplied materials for plate face is shaping; Abolish and add thermogenetic iron scale.The Main Function of the second rolling mill: plate face is shaping, for hot bending provides finished section supplied materials; Also the formation rolling of groove internal tooth can be carried out.After being rolled into final required plate face shape, directly sending into continuous rolling bender group by conveyor roller and carry out multi-pass hot bending.Hot bending passage can be considered according to the cross dimensions of hot bending unit capacity, channel steel and the combined factors such as characteristic, production capacity, can certainly be clod wash.
Simplifying of this system groove rolling passage, makes hole type design and guide and guard simplification, execute-in-place simple, lowers production difficulty, improve and be produced into power, lumber recovery; Reduce milling train quantity, reduce milling train specifications and models, shorten production line, realize short route and produce.
As preferably: be provided with iron scale scavenge unit between described heater and the first milling train; Or be provided with iron scale scavenge unit between heater and the first milling train and between the first milling train and the second milling train.
Iron scale scavenge unit is used for the iron scale formed after heating to remove.The medium of iron scale scavenge unit is preferably the compressed air of high pressure, by purge mode remove, can ensure rolled piece enter milling train after temperature, certainly also can adopt water under high pressure.
As preferably: described first milling train and the second milling train are duo mill, first milling train is flat roll mill, a roll of described second milling train is provided with the first groove, another roll is provided with two the second grooves, described first groove and the second groove form forming tank, described first groove and the channel steel width launched that tiles is corresponding, and the second groove is corresponding with the kink of channel steel two sideband internal tooth.
As preferably: described first milling train is close to the second milling train and is connected, described second milling train or roll bending unit are provided with the rolling roll shape for rolling channel steel internal tooth.The first milling train and the second milling train symmetric rolling can be realized, and continuous rolling, reduce the cooling of rolled piece.The internal tooth of channel steel, in the plate shape roll forming of the second rolling mill, rolling draws, also can in the first passage of hot bending unit, and the roll-in of band tooth hot bending draws.
As preferably: described heater is electrical induction device, described in cut length measuring device after be also provided with cooling device and calibration devices, calibration devices is mainly used in straightening or adjusts curved, reconditioning, boring, packing etc.
For simplifying rolling process, select near-net-shape blank, i.e. flat steel billet or steel.Raw thickness, through the compression of two passages, obtains each section thickness after channel steel tiling.Therefore, choosing of drafts must be economic and practical and reasonable.As too large, then milling train reduction in pass is bigger than normal, and mill capacity is higher, or increase passage reduces mill load, in addition, flat steel product also can be made to produce when large pressure and significantly spread, affect the width after finished product tiling; As too little, then molding effect is not good.Therefore, general every time lengthening coefficient of 1.05 ~ 1.4 of consideration rolling.Control in 1.6 so the first milling train and the second slag add two passage overall elongations, get lengthening coefficient compromise value.Lengthening coefficient: shaping front thickness/shaping rear thickness.
As mentioned above, the beneficial effect of utility model is:
1) simplify production technology, simplify groove rolling passage, lower production difficulty, improve and be produced into power, lumber recovery;
2) reduce milling train quantity, reduce milling train specifications and models, shorten production line, realize short route and produce, reduce enterprise's one-time investment and follow-up maintenance cost;
3) reduce roll consumption, reduce production cost;
4) simplifying of groove rolling passage, make hole type design and guide and guard simplification, execute-in-place simple, production efficiency improves;
5) seamless connection hot rolling, hot bending process, energy-saving and cost-reducing, realize channel steel short route, standardization, mass production, productivity effect maximizes.
6) the utility model method is applicable to the production of other specifications of channel steel, is also applicable to the production of similar section configuration shaped steel product.
Accompanying drawing explanation
Fig. 1 is channel steel section structure schematic diagram;
Fig. 2 serves as reasons " M ", and type rolled piece roll bending becomes finished section finished product schematic diagram;
Fig. 3 is channel steel traditional processing technology flow process;
Fig. 4 is the arrangement relation figure of production system in the utility model embodiment;
Fig. 5 is the roll profile schematic diagram of the second milling train;
Fig. 6 is the flat raw material sectional schematic diagram chosen in the utility model embodiment;
Fig. 7 is operation schematic diagram in the utility model embodiment.
Piece mark explanation
01 channel steel body
02 folding portion
03 internal tooth
1 feeding device
2 electrical induction devices
3 Hot Rolling Mill
30 forming tank
31 first milling trains
32 second milling trains
33 first grooves
34 second grooves
4 roll bending units
5 cut length measuring device
6 cooling devices
7 iron scale scavenge units
8 calibration devices
Detailed description of the invention
The embodiment of utility model is described by particular specific embodiment below, and person skilled in the art scholar the content disclosed by this description can understand other advantages and effect of utility model easily.
Embodiment
Shown in Fig. 1, be the structural representation of channel steel described in the utility model, comprise channel steel body 01, folding portion 02, and be located at the internal tooth 03 inside folding portion 02, be tabular in the middle of after channel steel tiling launches, both sides still have folding portion 02 downwards.
Fig. 2 and the signal that Figure 3 shows that traditional mode of production operation, namely rolled piece in the middle of being first rolled into the rectangle of big cross section/square raw material needed for roll bending " M " type by traditional pass rolling mode, and then by being with effigurate roll shape roll that " M " type rolled piece is bent to finished section finished product.Plant equipment is old, complicated, heavy; Groove rolling complex procedures, loaded down with trivial details; Hole type design required precision is higher, and guide unit design is complicated, produces adjustment difficulty large; Rolling pass is many, and roll consumption is high; Subsequent thermal roll forming is also carried out on conventional mill, makes to produce conduit steel based on this traditional processing technology, and roll useless probability large, lumber recovery is low, causes production cost high.
As shown in Figure 4 and Figure 5, the utility model provides a kind of production system of channel steel, comprise set gradually feeding device 1, electrical induction device 2, Hot Rolling Mill 3, roll bending unit 4, cut length measuring device 5, cooling device 6 and calibration devices 8; Hot Rolling Mill 3 has the first milling train 31 to be connected formation with the second milling train 32 next-door neighbour, the section thickness that the roll of the second milling train 32 being provided with to tile with channel steel launches and the corresponding forming tank 30 of version type.Iron scale scavenge unit 7 is equipped with between heater 2 and the first milling train 31 and between the first milling train 31 and the second milling train 32.Iron scale scavenge unit 7 is removed for the iron scale will formed after heating, adopts the compressed air of high pressure to purge in this example.
The Main Function of the first milling train 31: thickness is thinning provides supplied materials for plate face is shaping; Abolish and add thermogenetic iron scale.The Main Function of the second rolling mill: plate face is shaping, for hot bending provides finished section supplied materials; Also the formation rolling of groove internal tooth can be carried out.After being rolled into final required plate face shape, directly sending into continuous rolling bender group 4 by conveyor roller and carry out multi-pass hot bending.Hot bending passage can be considered according to the cross dimensions of hot bending unit capacity, channel steel and the combined factors such as characteristic, production capacity, can certainly be clod wash.The first milling train 31 and the second milling train 32 deform in same pace rolling can be realized, and continuous rolling, reduce the cooling of rolled piece.
Described first milling train 31 and the second milling train 32 are duo mill, first milling train 31 is flat roll mill, a roll of described second milling train 32 is provided with the first groove 33, another roll is provided with two the second grooves 34, described first groove 33 and the second groove 34 form forming tank 30, described first groove 33 and the channel steel width launched that tiles is corresponding, and the second groove 34 is corresponding with the kink of channel steel two sideband internal tooth.Described second milling train 32 or roll bending unit 4 are provided with the rolling roll shape for rolling channel steel internal tooth.
As shown in Figure 6 and Figure 7, the course of work of the present utility model is as follows, the flat steel that raw material choose is close with channel steel each several part original depth or steel billet.Needed for the thickness choosing under the certain depression degree and channel steel its flat presentation considering subsequent hot rolled two passages of raw thickness, it is temperature required that raw material is heated to hot rolling through electrical induction device 2, after about 1000 DEG C, the iron scale produced after heating is removed through iron scale scavenge unit 7, then enter the first milling train 31 to be rolled, abolish while first milling train 31 rolling and added thermogenetic iron scale, removed by another iron scale scavenge unit 7 after this and again clear up, and then be rolled into the section required size after channel steel tiling deployed condition through the second milling train 32, the corresponding forming tank 30 of section thickness that second milling train 32 launches for being carved with the tiling of corresponding channel steel, tooth formation rolling is carried out to grooved internal tooth simultaneously.First milling train 31 and the second milling train 32 are close to be arranged, rolled piece is out of shape in two rolling mills simultaneously, forms continuous rolling, shortens rolling line length, reduces the temperature drop of rolled piece.After making final required plate face shape, directly send into continuous hot bending unit by conveyor roller and carry out multi-pass hot bending.Hot bending passage can be considered according to the cross dimensions of hot bending unit capacity, channel steel and the combined factors such as characteristic, production capacity, and therefore hot bending passage is generally more than 4 roads.Channel steel after hot bending is cut into after final required scale through saw, cooling.After eventually passing through follow-up finished machined process, obtain channel steel product needed for user.
The utility model selects the flat steel close with channel steel each several part original depth, after being heated by electrical induction device 2, enter in the milling train of two frames and be rolled distortion, it is thinning that first passage is used for thickness, second passage is used for plate formation type, and two rolling mills carry out distortion rolling to raw material simultaneously, in tandem rolling state, through the two passage hot rollings simplified, roll out the thickness after channel steel tiling expansion and template, recycling waste heat enters continuous hot bending unit and carries out hot bending, through scale sawing, cooling is rolled off the production line, final channel steel product is obtained after follow-up finishing process, certainly the mode of clod wash can also be adopted in other embodiments, feeding device 1 in the utility model, roll bending unit 4, cut length measuring device 5, cooling device 6 and calibration devices 8 are all can provide in prior art, do not repeat them here, the utility model mainly realizes short route rolling by the difference of selecting materials and rolling mode.
The utility model changes the mode of production of traditional multi-pass groove rolling and roll bending, make full use of channel steel finished product cut surface character, simplify groove rolling operation, and realize seamless link with roll bending, form the novel short route hot rolling of channel steel and add hot bending manufacturing technique method, improve product lumber recovery, reduce and roll useless rate, reduce production cost, enhance productivity.Adopt production system of the present utility model, the standardization of short route channel steel, mass production can be realized.
The utility model can be used for channel steel products of different specifications and produces, and also can be applicable to the production of similar section profiled bar product.
Any person skilled in the art scholar all under the spirit and category of utility model, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that utility model discloses, must be contained by the claim of utility model.
Claims (5)
1. a production system for channel steel, is characterized in that: comprise the feeding device, heater, Hot Rolling Mill, the roll bending unit that set gradually and cut length measuring device; Described Hot Rolling Mill at least comprises for the first milling train of thinning sotck thinkness with for shaping the second milling train in plate face, the forming tank that the section thickness that the roll of described second milling train being provided with to tile with channel steel launches is corresponding.
2. the production system of a kind of channel steel according to claim 1, is characterized in that: be provided with iron scale scavenge unit between described heater and the first milling train; Or be provided with iron scale scavenge unit between heater and the first milling train and between the first milling train and the second milling train.
3. the production system of a kind of channel steel according to claim 1, it is characterized in that: described first milling train and the second milling train are duo mill, first milling train is flat roll mill, a roll of described second milling train is provided with the first groove, another roll is provided with two the second grooves, described first groove and the second groove form forming tank, and described first groove and the channel steel width launched that tiles is corresponding, and the second groove is corresponding with the kink of channel steel two sideband internal tooth.
4. the production system of a kind of channel steel according to claim 1, is characterized in that: described first milling train is close to the second milling train and is connected, and described second milling train or roll bending unit is provided with the rolling roll shape for rolling channel steel internal tooth.
5. the production system of a kind of channel steel according to claim 1, is characterized in that: described heater is electrical induction device, described in cut length measuring device after be also provided with cooling device and calibration devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164274.4U CN204524797U (en) | 2015-03-23 | 2015-03-23 | A kind of production system of channel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164274.4U CN204524797U (en) | 2015-03-23 | 2015-03-23 | A kind of production system of channel steel |
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| Publication Number | Publication Date |
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| CN204524797U true CN204524797U (en) | 2015-08-05 |
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| CN201520164274.4U Expired - Fee Related CN204524797U (en) | 2015-03-23 | 2015-03-23 | A kind of production system of channel steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759892A (en) * | 2015-03-23 | 2015-07-08 | 中冶赛迪工程技术股份有限公司 | Channel section steel production system and production method thereof |
| CN106270145A (en) * | 2016-08-05 | 2017-01-04 | 韩志刚 | A kind of hot bending shaped steel and former thereof and production technology |
-
2015
- 2015-03-23 CN CN201520164274.4U patent/CN204524797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759892A (en) * | 2015-03-23 | 2015-07-08 | 中冶赛迪工程技术股份有限公司 | Channel section steel production system and production method thereof |
| CN106270145A (en) * | 2016-08-05 | 2017-01-04 | 韩志刚 | A kind of hot bending shaped steel and former thereof and production technology |
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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: 20150805 Termination date: 20180323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |