CN205254535U - Dual -purpose continuous production transversal joint submerged arc weld pipe's of slab band production facility - Google Patents
Dual -purpose continuous production transversal joint submerged arc weld pipe's of slab band production facility Download PDFInfo
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- CN205254535U CN205254535U CN201521027947.8U CN201521027947U CN205254535U CN 205254535 U CN205254535 U CN 205254535U CN 201521027947 U CN201521027947 U CN 201521027947U CN 205254535 U CN205254535 U CN 205254535U
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Abstract
Dual -purpose continuous production transversal joint submerged arc weld pipe's of slab band production facility belongs to transversal joint submerged arc weld pipe's technical field, welds device, outside weld device in, including the platform of prepareeing material that connects gradually, reeler, levelling arm, plate shearing machine, flange deruster, edge milling machines, preflex device, forming device, joint close prewelding equipment, cutting device, and the input and the input of flange deruster of plate shearing machine are connected, still includes the panel automatic feeding machine of connecting with the help of drive mechanism at the input of flange deruster, forming device be the ODF make -up machine. The utility model discloses a but continuous operation's ODF form -ing technology, it is equivalent to the punching machine in the removal, the two dimension deformation that has become the welding pipe formation process in removing graduallys change into three -dimensional shaping effect, reaches round shaping cross -section, has advantages such as efficient, that the shaping is of high quality.
Description
Technical field
The utility model belongs to the technical field of straight-line joint submerged arc welding tube, relates to the processing of straight-line joint submerged arc welding tube, concreteFor the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip, it is straight that the utility model is applied to the big or middle diameter of continuous productionSeam submerged-arc welded (SAW) pipe, the ODF production technology adopting can realize dull and stereotyped general with roll bending, both can use hot rolling or cold-rolled steel coils,Also can use the welded tube forming that hot rolled steel plate is raw material.
Background technology
Produce now straight-line joint submerged arc welding tube technique and have following two kinds:
1, UOE production technology: UOE production technology is the first letter of three important procedures in welded tube forming process(U-ingpress, O-ingpress, Expanding) is that the steel plate of pre-flanging is first pressed into U by pressing mold in forming U shaped articles machineType is then pressed into O type in O forming machine, the production technology of carrying out again hole enlargement processing after the welding of O type socket.
Technical process: steel plate feeding area-run-on tab weld zone-milling border area-pre-bending district-forming U shaped articles district-O formingDistrict-steel pipe seam cleaning device-Prewelding machine-pre-weld seam inspection desk-interior welding zone territory-steel duct cleaning device-outside weldPolish-pipe end of machine region-run-on tab excision district-ultrasonic examination-X-ray examination place-machinery expanding district-pipe end weld seam is flatHead-water pressure test one weld seam and pipe end ultrasonic inspection-weld seam and the layering of pipe end X-ray examination-chamfered edge-pipe end and magnetic are visitedWound-remanent magnetism demagnetization-factory inspection-weigh, survey long-spray mark-upper protection ring-stackings, delivery.
2, JCOE production technology: JCOE production technology is forming machine by upper/lower die the steel plate half after to pre-flanging is enteredRepeatedly stepping compacting of row, be pressed into steel plate " J " shape of accumbency, then second half of steel plate is pressed into accumbency by same operation" C " shape pipe is finally suppressed in the middle of " C " shape pipe, forms " O " shape socket of opening, carries out hole enlargement again and add after weldingThe production technology of work.
Technical process: steel plate feeding area-run-on tab weld zone-milling border area-pre-bending district-curling front half range steel plateThe curling rear half range steel plates of half range steel plate-ten (C moulding)-send-prewelding-prewelding is clear after sending-inputting in (J moulding)Reason-interior weldering-interior weldering scarfing cinder-outside weld-go to draw (putting out) arc plate-ultrasonic inspection-machinery expanding-water pressure test-machineryChamfered edge-ultrasonic inspection-pipe end hoop hand visit stratified tests-X-ray procedure-product inspection-magnetic powder test-weigh withSurvey long-spray mark-upper protection ring-stacking, delivery.
Above-mentioned UO and JCO moulding process mode all adopt Sheet Metal Forming Technology. UO process using large pressing machine, as Baoshan Iron and Steel CompanyThe O type machine pressure of the UOE of limited company unit reaches 70000t (700MN), and mould support expense is huge in addition, and every kind of specification is equalNeed the die set of former, formpiston and the O forming of supporting forming U shaped articles; JCO moulding process adopts heavy-duty press, as Bohai Sea equipmentGDT's forming machine pressure reaches 6500t (65MN), by mould, steel plate is pressed into circle piecemeal, then will with submerged arc welding machineSteel pipe spot welding, and then carry out interior weldering, outside weld and finally form steel pipe.
The main feature of modernization UOE unit is the function that O type machine has compression body, and Normal squeezing rate can reach 0.4%D～0.6%D (wherein D is body external diameter), thereby O type machine pressure is very large, as the UOE of Baoshan Iron & Steel Co., Ltd. The O of unitType machine pressure reaches 70000t (700MN), and its compression function makes the elimination of pipe residual stress more thorough, and stress distribution is more equalEven, make the routed property of resistance to compression of body better simultaneously. Domestic other UOE units do not reach this level, do not possess compression function. WithSample, though JCOE unit does not possess compression function through hole enlargement yet, thereby the residual stress of body is than the limited public affairs of Baoshan Iron and Steel Company shareTake charge of the larger of UOE steel pipe that unit is produced.
There is the advantage on forming quality taking UO and JCO as the Sheet Metal Forming Technology of representative. Owing to being simple two dimension shaping, materialMaterial deflection is little, and residual stress is low, and the constraint form stable of instrument to material, be shaped reliable, and the thick footpath of product that can tackleThan the limit of (t/D) higher than roll bending technique. But this technique can only, taking veneer as raw material, cannot be produced continuously, with respect toLarger equipment investment, its production efficiency is well below roll forming. In addition, product length is also usually subject to equipment or die sizeRestriction.
Utility model content
The purpose of this utility model is to provide that production efficiency is high, Forming Quality is high, can meets oil, tracheae technical requirementThe dual-purpose continuous production of strip in production method and the production equipment of straight-line joint submerged arc welding tube, propose to solve in above-mentioned background technologyProblem.
The utility model is that the technical scheme that realizes its object employing is:
The production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip, comprises the material preparing table, the reeler, strong that connect successivelyFlat machine, plate shearing machine, edges of boards rust remover, edge milling machines, pre-bending device, shaped device, the pre-soldering equipment of joint close, shearing device, in be weldedPut, outer welder, the input of plate shearing machine is connected with the input of edges of boards rust remover, also comprises at the input of edges of boards rust removerThe automatic plate feeding machine connecting by transmission mechanism, described shaped device is ODF forming machine, comprises by track and pre-bendingDevice connect C forming machine, with the O forming machine that C forming machine output is connected, the output of O forming machine is connected with Prewelding machine, instituteThe annular extrusion that the track of stating is that input and pre-bending device output match, output and C forming machine input matchTrack, the input diameter of described annular extrusion track is greater than output diameter, described annular extrusion track comprise bend andThe stopper section being connected with bend.
Described track is the continuously adjustable annular extrusion track of angle.
Described shearing device is the scaling cutter with rotary-cut saw, and PLC composition is installed on described rotary-cut sawCut-to-length sizes machine with functions module.
The top of described edges of boards rust remover is provided with plate and visits equipment.
Between O type machine and the pre-soldering equipment of joint close, be provided with sizing mill.
Described transmission mechanism is linked transmission machine.
The beneficial effects of the utility model are:
1, the ODF production technology that the utility model adopts can realize dull and stereotyped general with roll bending, both can use hot rolling orCold-rolled steel coils, also can use the welded tube forming that hot rolled steel plate is raw material. And the production technologies such as traditional UOE, JCOE, ERW, nothingMethod completes plate, band is general.
2, the shaped device of the utility model ODF forming machine is the combination of annular extrusion track, C type machine, O type machine, by steelPlate with by the material synchronous operation of moulding, reach the effect of continuous operation.
3, the ODF technology that the utility model adopts is by the seamless connection of rotating with steel plate edge synchronizing moving/synchronizeTrack mold mechanism, the control location of sheet edge being implemented to comprehensive process, makes the steel plate all the time can only be fully along ruleFixed linear running, this constraint is but very soft, avoids track mould to cause any damage to sheet edge. This technologyIn the moulding of bimetallic composite welded pipe, become more important, sheet material easily produces and swings in the time carrying, this displacement wild effectDirectly have influence on welding quality, can be even related to welding procedure complete smoothly. But up to the present any traditional handicraftEquipment, is all difficult to effectively implement the control between breaker roll and material, only has ODF forming machine to have this technical advantage. TraditionTechnique is taking UO and JCO as example (as Fig. 4), and they have the advantage in Forming Quality at the Sheet Metal Forming Technology of representative, belong to simple twoDimension is shaped, and material deformation amount is little, and residual stress is low. But this technique can only, taking veneer as raw material, cannot be produced continuously, relativelyIn larger equipment investment, its production efficiency is well below the moulding of ODF machine. ODF forming machine rely on can unlimited rotary, seamlessThe track mold mechanism being connected, i.e. the continuously adjustable annular extrusion track of angle, can reach the punch forming process of UO and JCOEffect. In view of this only have ODF forming machine to there is this technical advantage.
4, why can to reach strip dual-purpose for the utility model, is mainly because adopted former is not only permittedPermitted coil of strip and directly enter but also allows 3 meters of steel plates above to enter, reason Shi Ci former mechanism compactness, track mould withoutSeam is connected and central driving, and sheet material needed driving force in the process of moulding structurally can be provided. Existing otherFormer is not such as clod wash unit, and unit is longer, and single roller drives and can not load the driving force that steel plate forming is advanced, therefore notCan use steel plate to produce for raw material, only can realize the production of roll bending.
Brief description of the drawings
Fig. 1 is process chart of the present utility model.
Fig. 2 is equipment schematic diagram of the present utility model.
Fig. 3 is the structural representation of ODF forming machine.
Fig. 4 is traditional handicraft molding structure schematic diagram.
Fig. 5 is the schematic diagram that annular extrusion track pushes sheet material.
Fig. 6 is the structural representation of annular extrusion track.
In accompanying drawing, 1 represents material preparing table, and 2 represent reeler, and 3 represent level(l)ing machine, and 4 represent plate shearing machine, and 5 represent that sheet material is automaticFeeder, 6 represent edges of boards rust remover, and 7 represent edge milling machines, and 8 represent C type machine, and 9 represent O type machine, 10 represent sizing mill, 11 representativesThe pre-soldering equipment of joint close, 12 represent shearing device, and 13 represent after-treatment device, and 14 represent bend, and 15 represent stopper section.
Detailed description of the invention
The purpose of this utility model is to provide that production efficiency is high, Forming Quality is high, can meets oil, tracheae technical requirementThe dual-purpose continuous production of strip in production equipment and the production technology of straight-line joint submerged arc welding tube, to solve asking of proposing in background technologyTopic, is further described the utility model below in conjunction with specific embodiment.
Embodiment 1:
As shown in Fig. 1-6, the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip, comprises material preparing table 1, unreelMachine 2, level(l)ing machine 3, plate shearing machine 4, automatic plate feeding machine 5, edges of boards rust remover 6, edge milling machines 7, C type machine 8, O type machine 9, sizing mill10, the pre-soldering equipment 11 of joint close, shearing device 12, after-treatment device 13.
Production technology when this equipment is specifically produced, as shown in Figure 1, in the time of concrete operations, on first being undertaken by material preparing tableMaterial, when material loading:
During with coil of strip material loading: first carry out coil of strip size and visual examination, then adopt the standby volume of multistation platform, by upper volumeDolly provides coil of strip, by reeler 2 uncoilings, then opened coil of strip is carried out leveling, is cut by plate shearing machine 4 by level(l)ing machine 3Plate processing obtains steel plate, then steel plate is sent to edges of boards rust cleaning operation district;
During with steel plate material loading: provide steel plate with automatic plate feeding machine, by other sheet material transmission mechanism, steel plate is passedDeliver to edges of boards rust cleaning operation district;
The steel plate that is transported to edges of boards rust cleaning operation district carries out edges of boards rust cleaning by plate plate rust remover 6, then removes by edges of boardsThe plate of rust machine 6 tops is visited equipment workpiece is carried out to plate spy, and the workpiece after plate is visited is carried out to the processing of milling limit by edge milling machines 7,The workpiece of processing through milling limit squeezes out two crimps by pre-bending district, then pushes by annular extrusion track, obtainsThick C type pipe, and then squeeze out C type through C forming machine, and then O forming machine squeezes out the O type of opening, then will pushAfter workpiece carry out sizing processing by sizing mill 10, then carry out prewelding place by the pre-soldering equipment 11 of joint close (joint close Prewelding machine)Reason, cuts off the workpiece through pre-postwelding, and then carries out following post processing successively: in prewelding scarfing cinder, pre-weld seam with milling sawInspection, weldering draw weldering, interior weldering scarfing cinder, steel pipe outside weld in arc-extinguishing plate, steel pipe, sample, cut and draw arc-extinguishing plate, the super spy of weld seam, X-ray and supervise in real timeSurvey, expand in neck (necking down) machine, ring cutting sampling, the outer welding bead grinding of pipe end, pipe end weldering fall grinding, hydraulic press, automatically superly visit, ultrasonic handWelding bead grinding, pipe end magnetic powder inspection, finished product inspection, the survey length of weighing, spray mark, friendship storehouse outside spy, pipe end chamfered edge, pipe end film making, pipe end.The key of this technique is the ODF forming technique that adopts continuously-running, and it is equivalent to a stamping machine in movement, by welded tubeThe two dimension distortion that forming process has become in mobile crossfades into three-dimensionally shaped effect, reaches round moulding cross section, have efficiency high,The advantages such as Forming Quality is good. Concrete forming process is as follows:
The method of straight-line joint submerged arc welding tube production moulding, adopts Up Highway UHW to fix, and Up Highway UHW refers to 12 tangent lines of steel pipePosition, first, by the mode of pressing steel plate limit portion, first squeezes out two crimps, then pushes by annular extrusion track,To thick C type pipe, be then squeezed into C type by C type machine 8, then be squeezed into opening O type by O type machine 9, finally pass through sizingMachine 10 sizing processing, are welded into into the O shape of sealing, sizing amount 0.4%D～0.6%D, and wherein D is body external diameter. Passing through ringWhen shape extrusion pipe, described annular extrusion pipeline comprises the bend of arc and becomes 80-100 ° of angle with bend tangent lineStopper section, owing to being extrusion modling, sheet material and bend match, and in conjunction with the resistance of stopper section, make the equilibrium of sheet material stress point,When bending, be slowly, follow progressive deformation, there will not be stress bending.
When straight-line joint submerged arc welding tube is produced, the operating type of the pre-soldering equipment 11 of joint close, adopts total length prewelding form joint close, through OType machine 9 pipe after treatment, its radius of curvature has reached the radius of production tube, and pipe is via " V " on prewelding plant bottom caseType rod enters the pre-soldering equipment 11 of joint close, and when steel pipe joint close, two horizontal roller beams of the pre-soldering equipment 11 of joint close push from steel pipe horizontal directionJoint close, top roll beam prevents misalignment, and carries out continuous welding under the promotion of ejector sleeve power.
The production of steel pipe is successional, and therefore, the fixed length cutting of steel pipe is to carry out under the moving state of steel pipe connecting reforwarding, through the pipe output from the pre-soldering equipment 11 of joint close continuously of pre-postwelding, in the time reaching default steel pipe length, by rotary-cut sawingDisconnected, the upper cut-to-length sizes machine with functions being made up of PLC is sawed in rotary-cut, can ensure the fixed length precision of steel pipe's production, improves the quality of products.
Claims (6)
1. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip, comprises the material preparing table (1), the reeler that connect successively(2), level(l)ing machine (3), plate shearing machine (4), edges of boards rust remover (6), edge milling machines (7), pre-bending device, shaped device, joint close prewelding are establishedStandby (11), shearing device (12), internal welding device, outer welder, the input of the input of plate shearing machine (4) and edges of boards rust remover (6)End connects, and it is characterized in that: also comprise the automatic plate feeding connecting by transmission mechanism at the input of edges of boards rust remover (6)Machine (5), described shaped device is ODF forming machine, comprises the C forming machine (8) that is connected with pre-bending device by track, becomes with CThe O forming machine (9) that type machine (8) output connects, the output of O forming machine (9) is connected with Prewelding machine, and described track is inputThe annular extrusion track that end matches with pre-bending device output, output and C forming machine (8) input match, described ringThe input diameter of shape extruding track is greater than output diameter, and described annular extrusion track comprises bend (14) and and bend(14) stopper section (15) connecting.
2. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip according to claim 1, is characterized in that: instituteThe track of stating is the continuously adjustable annular extrusion track of angle.
3. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip according to claim 1, is characterized in that: instituteThe shearing device (12) of stating is the scaling cutter with rotary-cut saw, and the fixed length that PLC composition is installed on described rotary-cut saw is cutCut system module.
4. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip according to claim 1, is characterized in that: instituteThe top of stating edges of boards rust remover (6) is provided with plate and visits equipment.
5. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip according to claim 1, is characterized in that:Between O type machine (9) and the pre-soldering equipment of joint close (11), be provided with sizing mill (10).
6. the production equipment of the dual-purpose continuous production straight-line joint submerged arc welding tube of strip according to claim 1, is characterized in that: instituteThe transmission mechanism of stating is linked transmission machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521027947.8U CN205254535U (en) | 2015-12-11 | 2015-12-11 | Dual -purpose continuous production transversal joint submerged arc weld pipe's of slab band production facility |
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| CN201521027947.8U CN205254535U (en) | 2015-12-11 | 2015-12-11 | Dual -purpose continuous production transversal joint submerged arc weld pipe's of slab band production facility |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382545A (en) * | 2015-12-11 | 2016-03-09 | 河北沧海核装备科技股份有限公司 | Production equipment and technique for plate-strip dual-use continuous production straight-slit submerged-arc welded pipes |
| CN118143520A (en) * | 2024-05-09 | 2024-06-07 | 山东一立动力科技股份有限公司 | Forming welding device for manufacturing combustion chamber of turbojet engine |
-
2015
- 2015-12-11 CN CN201521027947.8U patent/CN205254535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382545A (en) * | 2015-12-11 | 2016-03-09 | 河北沧海核装备科技股份有限公司 | Production equipment and technique for plate-strip dual-use continuous production straight-slit submerged-arc welded pipes |
| CN118143520A (en) * | 2024-05-09 | 2024-06-07 | 山东一立动力科技股份有限公司 | Forming welding device for manufacturing combustion chamber of turbojet engine |
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Effective date of registration: 20230906 Address after: 061300 east of cangle Road, south of Zhongyuan company, north of Hanqiao village, Yanshan County, Cangzhou City, Hebei Province Patentee after: HEBEI NORTH PIPELINE INDUSTRIAL TECHNOLOGY Research Institute Address before: 061300 Chengnan Industrial Zone, Yanshan County, Cangzhou City, Hebei Province Patentee before: HEBEI CANG HAI NUCLEAR EQUIPMENT TECHNOLOGY Co.,Ltd. |