CN209622457U - New type section joist deformed steel and its process units - Google Patents
New type section joist deformed steel and its process units Download PDFInfo
- Publication number
- CN209622457U CN209622457U CN201920166890.1U CN201920166890U CN209622457U CN 209622457 U CN209622457 U CN 209622457U CN 201920166890 U CN201920166890 U CN 201920166890U CN 209622457 U CN209622457 U CN 209622457U
- Authority
- CN
- China
- Prior art keywords
- new type
- deformed steel
- rolling
- type section
- joist
- 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.)
- Active
Links
Landscapes
- Metal Rolling (AREA)
Abstract
The utility model belongs to hot-rolled steel section technical field, specifically, the utility model relates to a kind of New type section joist deformed steel and its process units.The New type section joist deformed steel of the utility model includes web and bulb, two bulbs are connected with the both ends of the web, and it is located at the not ipsilateral of the web, the section of the bulb triangular structure of right angle round and smooth in top, the bevel edge of right angled triangle and the web rounding off, the cross section profile of the New type section joist deformed steel are centrosymmetric structure.The utility model provides a kind of New type section joist deformed steel process units simultaneously.The New type section joist deformed steel section of the utility model more optimizes, and weight is lighter, is a kind of light-weight design；The process units of the utility model has the characteristics that the operation of rolling is stable, low energy consumption, high production efficiency, production cost is low, usage economy is high.
Description
Technical field
The utility model belongs to hot-rolled steel section technical field, specifically, the utility model relates to a kind of New type section supports
Beam deformed steel and its process units.
Background technique
Deformed steel is complicated and odd-shaped cross section fashioned iron abbreviation, belongs to one kind of fashioned iron.According to the difference of technique, can be divided into
Hot rolling deformed steel, cold-drawn deformed steel, clod wash deformed steel, welding deformed steel etc..Usual deformed steel refers in particular to hot rolling deformed steel.Hot rolling is different
Fashioned iron is to discriminate between in the hot-rolled steel section of square steel, round steel, band steel and Common Shape.
For deformed steel (odd-shaped cross section fashioned iron) with the difference of application field, cross sectional shape is not also identical.Deformed steel is generally answered
It is widely used used in professional domain, such as in warehouse logistics machinery, engineering machinery field, and with the deep and application of research
Extension, just gradually to other industry extend.
In the rolling of deformed steel, there are still hot rollings at present often, and production efficiency is low, metal utilization is low not
Foot, high production cost, usage economy are low.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of New type section joist deformed steel and its process units,
Its technical solution is as follows:
A kind of New type section joist deformed steel comprising: web and bulb, the both ends of two bulbs and the web
It is connected, and is located at the not ipsilateral of the web, the section of the bulb triangular structure of right angle round and smooth in top, right angle three
Angular bevel edge and the web rounding off, the New type section joist deformed steel are that hot rolling is integrally formed, and cross section profile
Be centrosymmetric structure.
Such as above-mentioned New type section joist deformed steel, further preferably are as follows: the tilt angle model of bulb top bevel edge
Enclose is 20 ° to 50 °.
Such as above-mentioned New type section joist deformed steel, further preferably are as follows: the section of the New type section joist deformed steel
Two sides joint is rounding off.
A kind of New type section joist deformed steel process units, for producing the New type section joist deformed steel comprising:
Roughing mill, the roughing mill is for blank joist abnormity steel rolling piece symmetrical centered on rolling rectangular billet；Milling train group, it is described
Milling train group matches with the roughing mill, for rolling the blank joist abnormity steel rolling piece for New type section joist abnormal shape
Steel.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: the pass of the roughing mill includes
Multiple central symmetry passes.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: multiple central symmetry passes
It in the rolling direction successively include box hole, cutting-in hole and control hole；The box hole is for contracting to the rectangular billet
Material；The cutting-in hole by the rectangular billet cutting in the box hole for that will form；The control hole is for controlling institute
State the forming shape of rectangular billet.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: the milling train group includes omnipotent rolls
Machine and edging mill, the universal mill, the edging mill are rolled for the bulb rolling of the New type section joist deformed steel, web
System and formation rolling.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: the more universal mills are used for
The bulb of the New type section joist deformed steel is promoted to form the formation rolling with the New type section joist deformed steel；More institutes
Edging mill is stated for controlling the thickness change of web.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: described ten thousand for bulb rolling
Energy milling train is more, and the bulb partial depth of the pass of the more universal mills is incremented by successively.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: described ten thousand for web rolling
Energy milling train is more, and the web part depth of the pass of the more universal mills is successively successively decreased.
Such as above-mentioned New type section joist deformed steel process units, further preferably are as follows: described ten thousand for formation rolling
Can milling train be one, the fillet of the pass of a universal mill is respectively smaller than more for web rolling and described omnipotent rolls
The fillet of the fillet of machine, the more universal mills rolled for bulb.
Analysis it is found that compared with prior art, advantages and beneficial effects of the utility model lie in that
1, the lateral cross modulus of New type section joist deformed steel provided by the utility model is big, and resistance to lateral bending ability is strong, In
It can be used for the design of spandrel girder on lateral, compared to traditional girder construction, section more optimizes, and weight is lighter, is a kind of lightweight
Design can be used as a kind of novel girder steel design.
2, the characteristics of the utility model is according to New type section joist deformed steel central symmetry, in hole type design rough rolling step and
The incipient stage of finish rolling is all made of central symmetry pass, and operation of rolling stabilization, high production efficiency, low energy consumption, resource-effective；Using
Rectangular billet, pass passage is few, can be realized equipment and shares, to economize on resources, reduce investment, improve milling train utilization rate and product
Yield；By hot rolling one-pass molding, production efficiency and metal utilization are high, and production cost is low, usage economy is high.
3, the utility model rolls New type section joist deformed steel, pass passage with roughing mill and more universal mills
Number is few, and product yield is high, and by hot rolling one-pass molding, production efficiency and metal utilization are high, and production cost is low, usage economy
It is high.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the New type section joist deformed steel of the utility model.
Fig. 2 is the pass structure schematic diagram of the roughing mill of the utility model.
Fig. 3 is the pass structure schematic diagram one of the universal mill of the utility model.
Fig. 4 is the pass structure schematic diagram of the edging mill of the utility model.
Fig. 5 is the pass structure schematic diagram two of the universal mill of the utility model.
Fig. 6 is the schematic cross-section of the New type section joist deformed steel of the embodiments of the present invention.
In figure: 1- bulb；2- web；3- control hole；4- cutting-in hole；5- box hole；6- bulb part；The web part 7-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, the utility model provides a kind of New type section joist deformed steel, including web 2 and bulb 1, two
A bulb 1 is connected with the both ends of web 2, and is located at the not ipsilateral of web 2, the section of bulb 1 right angle three round and smooth in top
Angular structure, the bevel edge and 2 rounding off of web of right angled triangle, New type section joist deformed steel are hot rolling integrated molding, and
Cross section profile is centrosymmetric structure.
The New type section joist deformed steel of the utility model, lateral cross modulus is big, and resistance to lateral bending ability is strong, can on lateral
For the design of spandrel girder, compared to traditional girder construction, section more optimizes, and weight is lighter, is a kind of light-weight design, can make
For a kind of novel girder steel design.
As equivalence replacement and a certain range of tolerance allowance, as shown in Figure 1,1 top of bulb of the utility model
The range of tilt angles of bevel edge is 20 ° to 50 °.
To avoid stress from concentrating, as shown in Figure 1, the section two sides of the New type section joist deformed steel of the utility model connects
Place is rounding off.
As shown in Figures 1 to 5, the utility model additionally provides a kind of New type section joist deformed steel process units, mainly
It include: roughing mill and milling train group, roughing mill is for blank joist abnormity steel rolling piece symmetrical centered on rolling rectangular billet；It rolls
Unit matches with roughing mill, for rolling blank joist abnormity steel rolling piece for New type section joist deformed steel.
As shown in Fig. 2, the pass of the roughing mill of the utility model includes multiple central symmetry passes.Multiple central symmetry holes
Type successively includes box hole 5, cutting-in hole 4 and control hole 3 in the rolling direction；Box hole 5 is for carrying out contracting material to rectangular billet；
Cutting-in hole 4 by the rectangular billet cutting in box hole 5 for that will form；Control hole 3 is used for the forming shape of control rectangle blank.
As shown in Figures 1 to 5, the milling train group of the utility model includes universal mill and edging mill, is used for New type section support
Bulb rolling, web rolling and the formation rolling of beam deformed steel.Further, laying particular stress on the universal mill that bulb 1 rolls is more,
The depth of the bulb part 6 of the pass of more universal mills is incremented by successively；Laying particular stress on the edging mill that web 2 rolls is more, more
The depth of the web part 7 of the pass of edging mill is successively successively decreased；Universal mill for formation rolling is one, and one omnipotent to roll
The fillet of the pass of machine is respectively smaller than the fillet of other more universal mills, more edging mills.
In order to control the molding of bulb 1, in the formation rolling of multiple bulb 1, in the pass bulb part 6 of rear rolling pass
Depth than the pass bulb part 6 in preceding rolling pass is big, to gradually form bulb 1, advantage is gradually to control blank
Plastic deformation.
In order to control spreading for web 2, in the formation rolling of multiple web 2, in the pass web part 7 of rear rolling pass
Depth than the pass web part 7 in preceding rolling pass is small, and advantage is gradually to control the plastic deformation of blank.
The internal stress formed when in order to reduce rolling is less than in the pass fillet of rear rolling pass in the hole of preceding rolling pass
Type fillet, advantage are gradually to control the plastic deformation of blank.
The utility model rolling New type section joist with roughing mill and more universal mills, more edging mills is special-shaped
Steel, pass road number is few, and product yield is high, and by hot rolling one-pass molding, production efficiency and metal utilization are high, production cost
Low, usage economy is high.
The New type section joist deformed steel process units of the utility model includes roughing mill roughing and milling train group, is divided into roughing
Machine roughing and milling train group finish rolling rolling mill practice are thick in hole type design the characteristics of according to New type section joist deformed steel central symmetry
The incipient stage for rolling stage and finish rolling is all made of central symmetry pass, rolled piece needed for rough rolling step generates finish rolling, finish rolling stage
Blank joist abnormity steel rolling piece is rolled, finished product is generated.The utility model operation of rolling stabilization, high production efficiency, energy consumption
It is low, resource-effective.
The utility model uses rectangular billet, and pass passage is few, and multiple product specifications can share roll, so as to realize
Equipment shares, to economize on resources, reduce investment, improve milling train utilization rate and product yield.The New type section support of the utility model
Beam deformed steel is by hot rolling one-pass molding, and production efficiency and metal utilization are high, and production cost is low, usage economy is high.
As shown in Figures 1 to 5, the detailed operation of the utility model is as follows:
Step 1: rolling rectangular billet using roughing mill, symmetrical blank joist abnormity centered on rectangular billet is rolled
Steel rolling piece.
The step of step is rough rolling step, when using roughing mill rolling rectangular billet, rectangular billet selects continuous casting steel
Base, the start rolling temperature of roughing mill are 1100 DEG C -1250 DEG C.The pass of roughing mill includes multiple central symmetry passes, wherein multiple
Central symmetry pass includes successively in the rolling direction box hole 5, cutting-in hole 4 and control hole 3, and continuous casting steel billet successively passes through box
Hole 5, cutting-in hole 4 and control hole 3, rectangular billet pass through multi- pass rolling in each central symmetry pass.Box hole 5 is for contracting
Material, reduces the width of rectangular billet；Cutting-in hole 4 tentatively by 2 roll forming of web, and starts to give birth to for forming blank cutting
At bulb 1；Control hole 3 is used to control forming shape (forming height and bulb 1 and the 2 joint fillet of web of control bulb 1
Molding), thus blank joist abnormity steel rolling piece needed for generating the rolling of milling train group, i.e. material shape needed for the rolling of generation milling train group.
When roughing mill rolls rectangular billet, the rolling pass of roughing mill is 6-14 passage.
Step 2: rolling blank joist abnormity steel rolling piece using milling train group, by horizontal roller completion web 2 and not
The rolling of the right-angle side of bulb 1 is completed in the rolling of bulb 1 comprising right-angle side by edger roll, and it is special-shaped to obtain the joist with rim charge
Steel.
The step of step is the finish rolling stage, in step 2, centrosymmetric blank joist that step 1 is rolled into
When special-shaped steel rolling piece carries out finish rolling, the universal mill and edging mill that milling train group includes participate in rolling, and universal mill and edging mill are each
It for one or is respectively more.Each rolling pass of blank joist abnormity steel rolling piece is participated in by corresponding universal mill or edging mill
Rolling.More universal mills are used to promote the bulb 1 of New type section joist deformed steel to form and New type section joist deformed steel
Formation rolling；More edging mills are used to control the thickness change of web 2.When rolling to rolled piece, each rolling pass is inclined
The rolling position of weight is different, particularly may be divided into the molding of the formation rolling of bulb 1, the formation rolling of web 2 and joist deformed steel
Rolling.The formation rolling of bulb 1, the formation rolling of web 2 are multiple passages, by a universal mill or an edging mill
Rolling, the formation rolling of bulb 1, the formation rolling of web 2, which intersect, to be carried out, and the formation rolling of joist deformed steel is carried out finally.
Step 3: shaping is carried out to the beam deformed steel with rim charge by finished frame, obtains New type section joist deformed steel.
Shaping is carried out to the joist deformed steel with rim charge of step 2 roll forming in step 3, thus by single hot-roll
Molding obtains New type section joist deformed steel.
Embodiment:
As shown in Figures 1 to 5, the continuous casting steel billet that the rectangular billet of the utility model is Q345 using material, the continuous casting steel
Base section be rectangular, a length of 435mm in section, width 120mm, rectangular billet before roughing heated stove heating to 1100 DEG C-
1250℃。
Rectangular billet after heating carries out split rolling method by roughing mill (blooming mill), and rectangular billet successively passes through on roughing mill
It crosses the rolling of box hole 5, the rolling of cutting-in hole 4 and control hole 3 to roll, obtains center needed for milling train group when finish rolling after rolling 9 passages
Symmetrical blank joist abnormity steel rolling piece rolls 5 passages in cutting-in hole 4, in control hole 3 specifically, rolling 2 passages in box hole 5
Roll 2 passages.
In finish rolling molding, the universal mill and edging mill for participating in rolling are six altogether, by the sequence for participating in rolling by preceding
The first milling train, the second milling train, third milling train, the 4th milling train, the 5th milling train and the 6th milling train are successively named as after.First rolls
Pass schematic diagram (the bulb of 6 to the first design of section of rolling mill of bulb part of third design of section of rolling mill as shown in Figure 3 of machine, third milling train
The depth of part 6 is big), it is therefore intended that promote the molding of bulb 1；Second milling train, the pass schematic diagram of the 4th milling train are as shown in Figure 4
(depth of the web part 7 of 7 to the second design of section of rolling mill of web part of the 4th design of section of rolling mill is small), it is therefore intended that control web 2
Thickness change；The pass of 5th milling train is as shown in figure 5, roll is small compared with the drafts of former road rolling passes at this time, for most
Final shaping unit；The pass of 6th milling train is bonded with the section of New type section joist deformed steel.As shown in fig. 6, roll forming is novel
Section joist deformed steel cross section parameter is as follows: b 360mm, t 9mm, h 34mm, r1For 7mm, r2For 7mm, r3It is for 3mm, a
30°。
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (10)
1. a kind of New type section joist deformed steel characterized by comprising
Web and bulb, two bulbs are connected with the both ends of the web, and are located at the not ipsilateral of the web, described
The section of the bulb triangular structure of right angle round and smooth in top, the bevel edge of right angled triangle and the web rounding off, it is described
New type section joist deformed steel is that hot rolling is integrally formed, and cross section profile is centrosymmetric structure.
2. New type section joist deformed steel according to claim 1, it is characterised in that:
The range of tilt angles of bulb top bevel edge is 20 ° to 50 °.
3. a kind of New type section joist deformed steel process units, the New type section joist deformed steel is described in claim 1
New type section joist deformed steel characterized by comprising
Roughing mill, the roughing mill is for blank joist abnormity steel rolling piece symmetrical centered on rolling rectangular billet；
Milling train group, the milling train group match with the roughing mill, for being new by blank joist abnormity steel rolling piece rolling
Type section joist deformed steel.
4. New type section joist deformed steel process units according to claim 3, it is characterised in that:
The pass of the roughing mill includes multiple central symmetry passes.
5. New type section joist deformed steel process units according to claim 4, it is characterised in that:
Multiple central symmetry passes successively include box hole, cutting-in hole and control hole in the rolling direction；The box hole
For carrying out contracting material to the rectangular billet；The cutting-in hole is used to be cut by the rectangular billet in the box hole
Type；The control hole is used to control the forming shape of the rectangular billet.
6. New type section joist deformed steel process units according to claim 3, it is characterised in that:
The milling train group includes universal mill and edging mill, and the universal mill, the edging mill are used for the New type section support
Bulb rolling, web rolling and the formation rolling of beam deformed steel.
7. New type section joist deformed steel process units according to claim 6, it is characterised in that:
The more universal mills are used to promote the bulb of the New type section joist deformed steel to form and the New type section support
The formation rolling of beam deformed steel；The more edging mills are used to control the thickness change of web.
8. New type section joist deformed steel process units according to claim 6, it is characterised in that:
The universal mill for bulb rolling is more, and the bulb partial depth of the pass of the more universal mills is successively
It is incremented by.
9. New type section joist deformed steel process units according to claim 6, it is characterised in that:
The universal mill for web rolling is more, and the web part depth of the pass of the more universal mills is successively
Successively decrease.
10. New type section joist deformed steel process units according to claim 6, it is characterised in that:
The universal mill for formation rolling is one, and the fillet of the pass of a universal mill, which is respectively smaller than, to be used for
The fillet of the fillet for the more universal mills that web rolls, the more universal mills rolled for bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920166890.1U CN209622457U (en) | 2019-01-30 | 2019-01-30 | New type section joist deformed steel and its process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920166890.1U CN209622457U (en) | 2019-01-30 | 2019-01-30 | New type section joist deformed steel and its process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209622457U true CN209622457U (en) | 2019-11-12 |
Family
ID=68452591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920166890.1U Active CN209622457U (en) | 2019-01-30 | 2019-01-30 | New type section joist deformed steel and its process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209622457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707987A (en) * | 2019-01-30 | 2019-05-03 | 山东钢铁股份有限公司 | New type section joist deformed steel and its production method and process units |
-
2019
- 2019-01-30 CN CN201920166890.1U patent/CN209622457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707987A (en) * | 2019-01-30 | 2019-05-03 | 山东钢铁股份有限公司 | New type section joist deformed steel and its production method and process units |
| CN109707987B (en) * | 2019-01-30 | 2024-03-26 | 山东钢铁股份有限公司 | Section joist deformed steel and production method and production device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103822081B (en) | Horizontal Varying Thickness Plates band and preparation method thereof | |
| CN110665962B (en) | Pass system and rolling method of narrow-flange asymmetric steel rail beam hot rolling mill | |
| CN112474794B (en) | Cap-shaped steel rolling method and cap-shaped steel | |
| CN209622457U (en) | New type section joist deformed steel and its process units | |
| CN109707987A (en) | New type section joist deformed steel and its production method and process units | |
| CN107427875A (en) | The manufacture method of H profile steel | |
| CN106984647A (en) | A kind of angle steel cutting and rolling method and roller assembly used | |
| CN110142293A (en) | The milling method and its rolling system of open fashioned iron | |
| CN107427874A (en) | The manufacture method and H profile steel product of H profile steel | |
| JP2004358541A (en) | Method for manufacturing shaped bloom and caliber roll | |
| CN209935515U (en) | Open type section steel rolling system | |
| CN209935516U (en) | Open type section steel rolling system | |
| CN101406898A (en) | Semi-tandem rolling and hot rolling method of cross-shaped steel | |
| JPS6044101A (en) | Rolling method of u-shaped steel sheet pile | |
| CN206936011U (en) | A kind of roller assembly for angle steel splitting rolling | |
| JP2859744B2 (en) | Straight steel bar and method of manufacturing the same | |
| CN114888077B (en) | Composite production process for efficiently producing heavy H-shaped steel and steel sheet piles | |
| CN206229835U (en) | C-type steel diplopore rolls axial symmetry pass | |
| CN104550227A (en) | LC profile steel and manufacturing method thereof | |
| US1757388A (en) | Rolled-metal beam | |
| JP2004098102A (en) | Method and equipment for manufacturing flat bar | |
| CN108430659A (en) | The manufacturing method and rolling device of H profile steel | |
| CN203343164U (en) | Production line of asymmetrical joist steel for hoisting machinery | |
| JPS61119302A (en) | Hot rough rolling method of billet for h-beam | |
| JP2012071346A (en) | Method of manufacturing h-section steel and h-section steel manufacturing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |