CN107378407A - The construction method of pipe steel member is mutually passed through in a kind of heavy in section - Google Patents
The construction method of pipe steel member is mutually passed through in a kind of heavy in section Download PDFInfo
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- CN107378407A CN107378407A CN201710779384.5A CN201710779384A CN107378407A CN 107378407 A CN107378407 A CN 107378407A CN 201710779384 A CN201710779384 A CN 201710779384A CN 107378407 A CN107378407 A CN 107378407A
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- steel member
- pipe steel
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The construction method of pipe steel member is mutually passed through in a kind of heavy in section, including step is as follows, step 1：Three-dimensional authentic modeling is first carried out to pipe steel member using Creo softwares；Step 2：Three-dimensional authentic model is subjected to setting-out expansion；Step 3：By 1:1 plan imports in Sinocam softwares and works out cutting process, obtains steel plate cutting process file；Step 4：According to cutting process file, accurate blanking is carried out using fully automatic cutting machine bed；Step 5：Steel plate is placed on roll-forming on veneer reeling machine again；Step 6：The pipe steel member of roll-forming is healed up and longitudinal seam welding；Step 7：The pipe steel member being welded is placed on progress fourth contact processing on veneer reeling machine；Step 8：Pipe steel member length surplus is cut, cut end is located at the offside of intersecting mouth one end.The present invention solves big traditional processing method consumption of materials, cut quality and precision is difficult to ensure that and the technical problem of low production efficiency.
Description
Technical field
The invention belongs to steel member manufacture field, is related to a kind of heavy in section and mutually passes through pipe steel member and preparation method thereof.
Background technology
The common pipe that mutually passes through is processed using intersection-line cutting machine mostly now, this method is particularly suitable for use in into
The intersecting mouth cutting of product pipe.But cutting is mutually passed through for heavy in section pipe, the material cut down is arc, it is difficult to again
Component needs to rotate on large-scale moulding bed when utilizing, cause spillage of material larger, and cutting, and cut quality and precision are difficult to protect
Card.Need one section of residue of pre-add straight in addition, traditional symmetrical three rolls plate bending machine of steel plate generally use is rolled, during blanking
Side, cut off after remaining steel plate roll-forming, also result in spillage of material increasing, and add working procedure, reduce life
Produce efficiency.
The content of the invention
It is an object of the present invention to provide a kind of heavy in section mutually to pass through pipe steel member and preparation method thereof, to solve traditional processing
Method consumption of materials is big, cut quality and precision is difficult to ensure that and the technical problem of low production efficiency.
To achieve the above object, the present invention adopts the following technical scheme that.
The construction method of pipe steel member is mutually passed through in a kind of heavy in section, including step is as follows.
Step 1：Three-dimensional authentic modeling is first carried out to pipe steel member using Creo softwares；Three-dimensional authentic model during modeling
Diameter DMouldActual pitch diameter equal to pipe steel member is：
DMould=DIt is real outer-tThickness of slab, wherein DIt is real outerFor the external diameter of pipe steel member, tThickness of slabFor the wall thickness of pipe steel member；
The length L of three-dimensional authentic modelMouldAdd 10 ~ 15mm surpluses for actual pipe steel member length.
Step 2：Three-dimensional authentic model is subjected to setting-out expansion, wherein on three-dimensional authentic model evolute starting opening
Mutually passing through at the crest of end port for three-dimensional authentic model is arranged on, exports 1 after expansion:1 plan.
Step 3：By 1:1 plan imports in Sinocam softwares and works out cutting process, obtains cutting process file.
Step 4：Steel plate to be cut is placed in fully automatic cutting machine bed, according to cutting process file, is adjusted to be cut
Steel plate position, and accurate blanking is carried out along line of cut using fully automatic cutting machine bed, obtain the steel plate that cutting is completed.
Step 5：The steel plate that cutting is completed is placed on roll-forming on veneer reeling machine.
Step 6：The pipe steel member of roll-forming is healed up and longitudinal seam welding.
Step 7：The pipe steel member being welded is placed on progress fourth contact processing on veneer reeling machine.
Step 8：The length surplus of pipe steel member after fourth contact processing is cut, cut end, which is located at, mutually passes through end
Offside.
Preferably, three-dimensional authentic model axially elongated setting of the evolute along pipe steel member in step 2, evolute
Tearing port width is 0.1mm ~ 0.5mm.
Preferably, the concrete operations of three-dimensional authentic model progress setting-out expansion are in step 2：After setting tearing port, choosing
The face group that the three-dimensional authentic model of pipe steel member deploys as needs is selected, and selects a point on tearing port to consolidate as benchmark
Pinpoint motionless, click face group expansion order.
Preferably, when cutting process is worked out in step 3,1:1 plan is placed on the steel plate of dimension, if
Put cutting torch model, cutting speed, arcing point, cutting offset and gas pressure value.
Preferably, the veneer reeling machine in step 5 is symmetrical expression three rolls plate bending machine either asymmetric three rolls plate bending machine or four-roller
Veneer reeling machine.
Preferably, healed up in step 6 and be with longitudinal seam welding specific method：When the pipe steel member two of roll-forming
When side heals up, the gap at the place that heals up is subjected to spot welding, solder joint sets one every 800m ~ 1200mm, often locates fusion length not
Less than 50mm；The gap at the place that heals up is welded after the completion of spot welding, weld reinforcement is not more than 2mm.
Preferably, longitudinal seam welding is used at the automatic welding center of the pipe steel member of roll-forming or special in step 6
Carried out with automatic welding moulding bed, outside is welded using automatic submerged arc welding in the pipe steel member of roll-forming.
Preferably, the pipe steel member being welded in step 7 fourth contact processing longitudinal seam welding complete 24 hours it is laggard
OK, specific method is：The pipe steel member being welded is placed on veneer reeling machine rolling is repeated, eliminate remained straight edge, and profit
The circularity for the pipe steel member being welded with arc model pattern inspection, arc model pattern is using computer lofting, full-automatic
Numerical control cutting machine blanking.
Compared with prior art the invention has the characteristics that and beneficial effect.
1st, the present invention is mutually passed through pipe using Creo 3 d modeling softwares and three rolls plate bending machine improvement rolling technology
Make, save steel plate materialses, reduce working procedure, improve construction quality and efficiency, technically reliable, economical rationality.
2nd, it is correspondingly placed in the present invention using cutting process file on steel plate to be cut, as the blanking punch of steel plate
Type, make steel plate cutting more accurate, and the part cut away can secondary use to greatest extent, steel board has been saved from source
Material, materials'use rate is improved, reduce spillage of material so that manufacturing cost reduces.
3rd, the construction method of pipe steel member is mutually passed through in heavy in section in the present invention, reduce the expensive intersecting cutter of buying into
This, and preparation method mature and reliable can be widely popularized, and roll the steel plate materialses that the time saved remained straight edge in steel plate, be improved
Stock utilization.
6th, the present invention organically combines 3 d modeling software, Numerical Control Programming Software into manufacture of steel structure technique, conscientiously solution
The problem determined in constructing, improves construction precision and efficiency, has saved cost, and the solution for other follow-up techniques provides ginseng
Examine, such as the making of hemispherical dome component, widened and solved the problems, such as thinking, add the method solved the problems, such as.
7th, the present invention in method compared with traditional preparation method, reduce working procedure, improve efficiency of construction with
Quality.
8th, the present invention removes the operation in part workshop to office, completes on computers so that operation more standardizes, marked
Standardization, become more meticulous, while will be by theoretical with actual unified, software combines with construction, has saved material from source, has reduced construction
Process, the efficiency and quality of construction are ensure that, resolving ideas and method are provided for follow-up more complicated structure manufacture.
9th, in roll of steel plate bowlder, respectively there is a segment length at flat board both ends due to not reaching upper roller without bending, and are referred to as
Remained straight edge, the minimum arm of force that flat board is started in technique bending are called theoretical remained straight edge, the size and equipment of this section of straight flange
Structure and its curve form are relevant, usually treat coiled steel plate thickness of slab for 1.5 ~ 2.5 times；Traditional handicraft shares three kinds of modes and solves to remain
The problem of remaining straight flange, first, carry out multiple bent into shape with universal mold on forcing press, shortcoming is that Forming Quality is poor, efficiency
It is low, and need to be equipped with the equipment such as suitable forcing press；Second, particular manufacturing craft pre-bending is used on three rolls plate bending machine, shortcoming is desirable
It is higher according to the made corresponding template of pipe diameter matches, cost；3rd, in blanking, steel plate lengthens formation process head, makes to remain
Remaining straight flange is in technique head, and for cutting, shortcoming is to produce larger spillage of material；And the present invention, when rolling, steel plate is placed in volume
Between the roll shaft up and down of trigger, when upper roll shaft declines, steel plate is just occured bending and deformation by the effect of moment of flexure, due to upper and lower
The rotation of roll shaft, drive steel plate to move by the frictional force between roll shaft and steel plate, steel plate depressed position is continuously occurred
Change, so as to form smooth curved surface, roll-forming work is completed, Forming Quality is good, efficiency high, solves traditional system technique
The defects of cost is higher, Forming Quality is poor, efficiency is low and produces larger spillage of material.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional authentic model schematic of the pipe steel member established in the present invention in step 1.
Procedure chart when Fig. 2 is the three-dimensional authentic model expansion of pipe steel member of the present invention.
Fig. 3 is the state diagram that the plan after the three-dimensional authentic model expansion of the present invention is placed on steel plate to be cut.
Fig. 4 is that the steel plate that the cutting in the present invention is completed is placed on the procedure chart that veneer reeling machine is rolled.
Fig. 5 is the procedure chart to be healed up to roll-forming pipe steel member in the present invention.
Fig. 6 is to the procedure chart for the pipe steel member progress fourth contact processing being welded in the present invention.
Fig. 7 is the model pattern schematic diagram utilized in the step seven of the present invention.
Reference：1-three-dimensional authentic model, 2-evolute, 3-Xiang Guanduan, 4-plan, 5-steel to be cut
Plate, 6-line of cut, 7-cutting the steel plate completed, 8-veneer reeling machine, the pipe steel member of 9-roll-forming, 10-are welded
Pipe steel member, 11-model pattern.
Embodiment
The present embodiment is the construction method that pipe steel member is mutually passed through in heavy in section, first authentic to pipe steel member progress three-dimensional to build
Mould, then setting-out expansion is carried out, derived information, cutting process is worked out, carry out blanking using fully automatic cutting machine bed, then steel plate is put
Put on veneer reeling machine, rolled using the technique after improvement, finally carry out the longitudinal seam welding of pipe steel member and cut surplus.
The construction method of pipe steel member is mutually passed through in this heavy in section, including step is as follows.
Step 1：According to structural drawings, building for three-dimensional authentic model 1 is first carried out to pipe steel member using Creo softwares
Mould；Establish 1:For 1 authentic three-dimensional authentic model 1 in order to improve oxygen evolution rate, the thickness of three-dimensional authentic model 1 elects t asThickness of slab=1mm；
The diameter D of three-dimensional authentic model 1MouldEqual to the actual pitch diameter of pipe steel member, i.e.,：DMould=DIt is real outer-tThickness of slab；In practice of construction, steel plate
Although having extended when rolling, pipe steel member has the radial welding contraction of part, theoretical calculation knot in longitudinal seam welding
Practical experience is closed, steel plate extension is roughly the same with weld contraction value, therefore theoretical steel plate width can be as the reality of steel plate cutting
Border width；The length L of three-dimensional authentic model 1MouldFor physical length plus 10 ~ 15mm surpluses；Prevention assembly error carries out cutting correction
And axial shrinkage during longitudinal seam welding；Creo 3 d modeling softwares are opened, new established model is now soft into Element Design module
Part default units are：Newton, millimeter, second, according to structural drawings, using functions such as the stretchings, cutting, rotation of software, accurately paint
Rounding pipe steel member（Thin-wall circular tube）.
Step 2：Three-dimensional authentic model 1 is subjected to setting-out expansion, wherein the starting of evolute 2 is opened on three-dimensional authentic model 1
Mouth is arranged on mutually the passing through at the crest of 3 ports of end of three-dimensional authentic model 1（The edge line that end 3 is mutually passed through after expansion is sine curve, is had
Crest and trough）；1 after export expansion:1 plan 4.
Step 3：By 1:1 plan 4 imports in Sinocam softwares and works out cutting process, obtains cutting process file,
Include the profile etc. of steel plate after cutting path, cutting in cutting process file, during cutting, control cutting torch enters according to this route
Row cutting.
Step 4：Steel plate 5 to be cut is placed in fully automatic cutting machine bed, it is to be cut according to cutting process file, adjustment
The position of steel plate 5, and carry out accurate blanking along line of cut 6 using fully automatic cutting machine bed, obtain the steel plate 7 that cutting is completed；
Step 5：The steel plate 7 that cutting is completed is placed on roll-forming on veneer reeling machine 8.
Step 6：The pipe steel member 9 of roll-forming is healed up and longitudinal seam welding；When the pipe steel structure of roll-forming
When 9 liang of sides of part heal up, the gap at the place that heals up is subjected to spot welding, solder joint sets one every 1000mm, often locates fusion length not
Less than 50mm；The gap at the place that heals up is welded after the completion of spot welding, weld reinforcement is not more than 2mm.
Certainly in other embodiments, the distance of solder joint can according to construction environment in the range of 800m ~ 1200mm really
It is fixed.
Step 7：After longitudinal seam welding is completed 24 hours, it is enterprising that the pipe steel member 10 being welded is placed on veneer reeling machine 8
The processing of row fourth contact；The pipe steel member 10 being welded is placed on veneer reeling machine 8 rolling is repeated, eliminate remained straight edge, and profit
The circularity for the pipe steel member 10 being welded with the inspection of arc model pattern 11, the use of arc model pattern 11 computer lofting,
Full-automatic numerical control cutting machine blanking.
Step 8：The length surplus of pipe steel member after fourth contact processing is cut, cut end, which is located at, mutually passes through end 3
Offside.
In the present embodiment, three-dimensional authentic model 1 axially elongated setting of the evolute 2 along pipe steel member, exhibition in step 2
The 2 tearing port width of bursting at the seams is 0.1mm ~ 0.5mm.
In the present embodiment, the concrete operations that three-dimensional authentic model 1 carries out setting-out expansion in step 2 are：Set tearing port
Afterwards, the face group for selecting the three-dimensional authentic model 1 of pipe steel member to deploy as needs, and select a point conduct on tearing port
Benchmark fixing point is motionless, clicks on the expansion order of face group.
When cutting process is worked out in the present embodiment, in step 3,1:1 plan 4 is placed on the steel plate of dimension
On, cutting torch model, cutting speed, arcing point, cutting offset and gas pressure value are set.
In the present embodiment, the veneer reeling machine 8 in step 5 can use symmetrical expression three rolls plate bending machine to use asymmetric three rollers
Veneer reeling machine can also use four-roll plate bending machine；It is as follows to cut rolling for the steel plate 7 of completion.
1st, equipment is rolled；Steel pipe processing typically has two ways, suppresses and rolls, because compacting has impression to surface of steel plate
Damage and compacting internal stress are excessive, generally using roll-forming；Conventional veneer reeling machine has symmetrical expression three rolls plate bending machine, asymmetry
Three rolls plate bending machine, four-roll plate bending machine, wherein symmetrical expression three rolls plate bending machine is because simple in construction, compact, in light weight, easy to operate, most
It is conventional.
2nd, principle is rolled；When rolling, steel plate is placed between the roll shaft up and down of veneer reeling machine, and when upper roll shaft declines, steel plate is just
Occured bending and deformation by the effect of moment of flexure, due to the rotation of upper and lower roll shaft, driven by the frictional force between roll shaft and steel plate
Steel plate moves, and steel plate depressed position is continuously changed, and so as to form smooth curved surface, completes roll-forming work
Make.
3rd, steel plate rolls；
a）It is D to internal diameter when symmetrical three rolls plate bending machine rolls1Pipe steel member, it is D to roll radius of curvature1/ 2+300mm, volume
Shape is as shown in Figure 4 after system.
b）When the pipe steel member of roll-forming heals up, pushed in Fig. 4 opening positions, according to proper sequence principle, every time under
Height 50mm is pressed, then carries out turning to both ends and heals up, shape is as shown in Figure 5 after healing up；When both ends remained straight edge is healed up, it is necessary to
Guarantee is healed up, and place is smooth, and joint gap is controlled between 0 ~ 2mm, the defects of not allowing misalignment.
In the present embodiment, in step 6 longitudinal seam welding use roll-forming pipe steel member 9 automatic welding center
Or carried out on Special Automatic welding positioner, outside is welded using automatic submerged arc welding in the pipe steel member 9 of roll-forming
Connect.
Above-mentioned technique, by theoretical with actual unified, software combines with construction, has saved material from source, has reduced construction
Process, the efficiency and quality of construction are ensure that, resolving ideas and method are provided for follow-up more complicated structure manufacture.
Claims (8)
1. the construction method of pipe steel member is mutually passed through in a kind of heavy in section, it is characterised in that as follows including step：
Step 1：Three-dimensional authentic modeling is first carried out to pipe steel member using Creo softwares；Three-dimensional authentic model during modeling（1）'s
Diameter DMouldActual pitch diameter equal to pipe steel member is：
DMould=DIt is real outer-tThickness of slab, wherein DIt is real outerFor the external diameter of pipe steel member, tThickness of slabFor the wall thickness of pipe steel member；
Three-dimensional authentic model（1）Length LMouldAdd 10 ~ 15mm surpluses for actual pipe steel member length；
Step 2：By three-dimensional authentic model（1）Setting-out expansion is carried out, wherein three-dimensional authentic model（1）Upper evolute（2）Starting
Opening is arranged on three-dimensional authentic model（1）Mutually pass through end（3）At the crest of port, 1 after export expansion:1 plan（4）；
Step 3：By 1:1 plan（4）Import in Sinocam softwares and work out cutting process, obtain cutting process file；
Step 4：Steel plate to be cut is placed in fully automatic cutting machine bed（5）, according to cutting process file, adjust to be cut
Steel plate（5）Position, and fully automatic cutting machine bed is utilized along line of cut（6）Accurate blanking is carried out, obtains the steel plate that cutting is completed
（7）；
Step 5：The steel plate that cutting is completed（7）It is placed on veneer reeling machine（8）Upper roll-forming；
Step 6：To the pipe steel member of roll-forming（9）Healed up and longitudinal seam welding；
Step 7：The pipe steel member that will be welded（10）It is placed on veneer reeling machine（8）Upper progress fourth contact processing；
Step 8：The length surplus of pipe steel member after fourth contact processing is cut, cut end, which is located at, mutually passes through end（3）Pair
Side.
2. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 1, it is characterised in that：Step 2
Middle evolute（2）Along the three-dimensional authentic model of pipe steel member（1）Axially elongated setting, evolute（2）Tearing port width be
0.1mm~0.5mm。
3. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 2, it is characterised in that：Step 2
The middle authentic model of three-dimensional（1）Carry out setting-out expansion concrete operations be：After setting tearing port, the three-dimensional of pipe steel member is selected
Authentic model（1）The face group deployed as needs, and select a point on tearing port motionless as benchmark fixing point, click on face
Group expansion order.
4. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 3, it is characterised in that：Step 3
During middle establishment cutting process, 1:1 plan（4）It is placed on the steel plate of dimension, cutting torch model, cutting speed is set
Degree, arcing point, cutting offset and gas pressure value.
5. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 4, it is characterised in that：Step 5
In veneer reeling machine（8）For symmetrical expression three rolls plate bending machine either asymmetric three rolls plate bending machine or four-roll plate bending machine.
6. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 4, it is characterised in that：Step 6
In healed up and be with longitudinal seam welding specific method：When the pipe steel member of roll-forming（9）When two sides heal up, will heal up place
Gap carry out spot welding, solder joint every 800m ~ 1200mm set one, often locate fusion length be not less than 50mm；After the completion of spot welding
The gap at the place that heals up is welded, weld reinforcement is not more than 2mm.
7. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 6, it is characterised in that：Step 6
Middle longitudinal seam welding uses the pipe steel member in roll-forming（9）Automatic welding center or enterprising in Special Automatic welding positioner
OK, the pipe steel member of roll-forming（9）Welded using automatic submerged arc welding in interior outside.
8. the construction method of pipe steel member is mutually passed through in a kind of heavy in section according to claim 7, it is characterised in that：Step 7
In the pipe steel member that is welded（10）Fourth contact processing longitudinal seam welding complete 24 hours after carry out, specific method is：Will weldering
The pipe steel member connected（10）It is placed in veneer reeling machine（8）On be repeated rolling, eliminate remained straight edge, and lean on using arc model
The pipe steel member that mould inspection is welded（10）Circularity, arc model pattern using computer lofting, full-automatic numerical control cut
Machine blanking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710779384.5A CN107378407B (en) | 2017-09-01 | 2017-09-01 | The construction method of round tube steel member is mutually passed through in a kind of big section |
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| CN201710779384.5A CN107378407B (en) | 2017-09-01 | 2017-09-01 | The construction method of round tube steel member is mutually passed through in a kind of big section |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109262205A (en) * | 2018-09-14 | 2019-01-25 | 哈尔滨锅炉厂有限责任公司 | Monocline roll system adapter tube manufacturing method |
| CN109396557A (en) * | 2018-09-28 | 2019-03-01 | 北京市机械施工有限公司 | A kind of intersection cutting method and device |
| CN113275841A (en) * | 2021-05-26 | 2021-08-20 | 湖北三江航天江北机械工程有限公司 | Method for processing cylinder of man-hole thin-wall vacuum tank for ship |
| CN113441810A (en) * | 2021-06-02 | 2021-09-28 | 浙江交工路桥建设有限公司 | Cutting device and method for curved surface of connecting steel pipe |
| CN114632967A (en) * | 2022-03-24 | 2022-06-17 | 铜陵有色建安钢构有限责任公司 | Pipe fitting intersecting line cutting method based on integral project |
| CN115319415A (en) * | 2022-08-18 | 2022-11-11 | 十九冶成都建设有限公司 | BIM-based large-diameter three-way pipeline manufacturing process |
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| CN113441810A (en) * | 2021-06-02 | 2021-09-28 | 浙江交工路桥建设有限公司 | Cutting device and method for curved surface of connecting steel pipe |
| CN114632967A (en) * | 2022-03-24 | 2022-06-17 | 铜陵有色建安钢构有限责任公司 | Pipe fitting intersecting line cutting method based on integral project |
| CN114632967B (en) * | 2022-03-24 | 2024-02-23 | 铜陵有色建安钢构有限责任公司 | Pipe fitting intersecting line cutting method based on integral project |
| CN115319415A (en) * | 2022-08-18 | 2022-11-11 | 十九冶成都建设有限公司 | BIM-based large-diameter three-way pipeline manufacturing process |
| CN115319415B (en) * | 2022-08-18 | 2024-01-19 | 十九冶成都建设有限公司 | BIM-based large-diameter three-way pipeline manufacturing process |
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