CN105543468B - The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding - Google Patents
The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding Download PDFInfo
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- CN105543468B CN105543468B CN201510979479.2A CN201510979479A CN105543468B CN 105543468 B CN105543468 B CN 105543468B CN 201510979479 A CN201510979479 A CN 201510979479A CN 105543468 B CN105543468 B CN 105543468B
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- pulse current
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- power supply
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- 238000003466 welding Methods 0.000 title claims abstract description 17
- 230000008520 organization Effects 0.000 title claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 241000239290 Araneae Species 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding, including framework soleplate, framework lateral plate, power supply, impulse circuit, contactor and pulse current applying mechanism, two pieces of framework lateral plates are separately mounted to the symmetrical both sides of framework soleplate, framework lateral plate forms case structure with framework soleplate, two pieces of framework lateral plates leave gap above framework soleplate, and power supply, impulse circuit and contactor are installed between two pieces of framework lateral plates；The pulse current applying mechanism is divided into two symmetrical, structure identical pulse current bringing devices, and two pulse current bringing devices are symmetrically mounted on framework soleplate and are in the lower section of framework lateral plate horizontal segment respectively；Power supply is connected with impulse circuit, contactor, and positive pole one end of power supply is connected by wire and a pulse current bringing device, and negative pole one end of power supply is connected by wire and another pulse current bringing device.The present invention has the advantages that thinning weld metal structure, improves welded tube mechanical performance.
Description
Technical field
The present invention relates to welding technology field, seam organization is thin after especially a kind of pulse current auxiliary welded tube high-frequency welding
The device of change.
Background technology
Ratio-frequency welded tube be hot-rolled coil after forming machine is molded, made using the kelvin effect and kindred effect of high frequency electric
Pipe edge heating is melted, and Pressure Welding is carried out in the presence of compression roller and fetches realization production.The quality of ratio-frequency welded tube mainly takes
Certainly in the quality of weld seam, because the high temperature during high-frequency welding influences, the tissue crystal grain of welded seam area can become thick, simultaneously
Welding stress is produced, welding tube quality can be reduced, make requiring tubing mechanical property etc. high occasion can not use, at present engineering
On carry out intermediate-frequency induction heating after high-frequency welding, improve commissure performance.But welded seam area is from high-frequency welding to intermediate frequency
Heat treatment interval inner tissue is thick and welding stress effect be present, has negative effect to follow-up intermediate frequency heat treatment.
The content of the invention
Present invention aims at provide a kind of pulse current auxiliary for improving ratio-frequency welded tube quality, improving weld joint mechanical performance
The device that seam organization refines after welded tube high-frequency welding.
To achieve the above object, following technical scheme is employed：The invention mainly comprises framework soleplate, framework lateral plate, electricity
Source, impulse circuit, contactor and pulse current applying mechanism, framework lateral plate are divided into two pieces of L-shaped plate constructions, installed respectively
In the symmetrical both sides of framework soleplate, framework lateral plate forms case structure with framework soleplate, and two pieces of framework lateral plates are on framework soleplate
Fang Liuyou gaps, power supply, impulse circuit and contactor are installed between two pieces of framework lateral plates；The pulse current applying mechanism
It is divided into two symmetrical, structure identical pulse current bringing devices, two pulse current bringing devices are symmetrically mounted on machine
It is on frame bottom plate and respectively the lower section of framework lateral plate horizontal segment；Power supply is connected with impulse circuit, contactor, the positive pole of power supply
One end is connected by wire and a pulse current bringing device, and negative pole one end of power supply passes through wire and another pulse current
Bringing device is connected.
Wherein, the pulse current bringing device includes fixing bolt, spring shim, axle lower connecting base, bearing spider, circle
Taper roller bearing, contact roll, bearing (ball) cover, rotating shaft, connecting rod, bearing pin, split pin, upper connecting base, tensioning spring, electrode connection
Part；Bearing spider is fixed on framework soleplate by fixing bolt and spring shim, and axle lower connecting base is in bearing spider simultaneously
Also it is affixed using fixing bolt and spring shim and framework soleplate；The contact roll is rotary structure, is opened in upper and lower ends
If circular hole simultaneously installs taper roll bearing at circular hole, two taper roll bearings are on the axis of contact roll, circular cone
Roller bearing outer ring is interference fitted with contacting the circular hole of roll, and rotating shaft and the inner ring of two taper roll bearings are socketed, and rotating shaft is worn
Cross contact roll and both axis overlap；The bottom of rotating shaft longitudinally through after bearing spider by under bearing pin, split pin and axle
Connecting seat is hinged, the top of rotating shaft and rod hinge connection, and the other end of connecting rod is hinged with upper connecting base also by bearing pin, split pin,
Upper connecting base is fixedly mounted on the horizontal segment lower surface of framework lateral plate；In the end of framework lateral plate horizontal segment installation electrode connection
Part, connected between the electrode connecting parts and connecting rod by tensioning spring, electrode connecting parts are connected with power supply one end.
The course of work approximately as：
Welded tube contact to be processed is placed in the centre position of two pulse current bringing devices, the welded tube is high frequency hot weld
Do not carry out the welded tube of intermediate frequency heat treatment after binding beam also, contacted using two contact rolls with welded tube, closed circuit switch, power supply
The electric current of positive pole output exports pulse current after pulse processing of circuit, and positive pole one end of power supply passes through wire and a pulse electricity
Bringing device is flowed to connect, pulse current flows into the pulse current bringing device, because contact roll contacts with welded tube, therefore pulse
Electric current flows into welded tube by contacting roll, and electric current flows back to the negative pole of power supply from the pulse current bringing device of opposite side, formed back
Road.Welding pipe welding process device applies pulse current always, and the metal structure at welded tube welding seam is refined by pulse current.Separately
Outside, the discharge capacity of power supply is can adjust, for debugging optimal pulse current；And the contact roll of one group of different curvature is processed,
To reach the purpose handled using same covering device the ratio-frequency welded tube of different size.And tensioning spring is all the time in tensioning
State, be effectively ensured fully contacting for contact roll and welded tube, and then guarantee electric current passes through.
Compared with prior art, the invention has the advantages that：
1st, the metal structure of commissure is refined using pulse current, improves the mechanical performance and mechanical property of weld seam, makes weldering
Guan Qigeng adapts to carry out later stage intermediate frequency heat treatment, improves ratio-frequency welded tube quality.
2nd, tensioning spring is in tensioning state all the time, and guarantee contact roll fully contacts with pending ratio-frequency welded tube.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the sectional structure chart of the present invention.
Drawing reference numeral：1- framework soleplates, 2- framework lateral plates, 3- fixing bolts, 4- spring shims, 5- axle lower connecting bases, 6-
Bearing spider, 7- taper roll bearings, 8- contact rolls, 9- bearing (ball) covers, 10- rotating shafts, 11- connecting rods, 12- bearing pins, 13- openings
Pin, 14- upper connecting bases, 15- tensioning springs, 16- electrode connecting parts, 17- welded tubes, 18- impulse circuits, 19- power supplys, K- circuits are opened
Close.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, containing power supply 19 in apparatus of the present invention, impulse circuit 18, contactor K, pulse current, which applies, to be filled
Put, after contactor K closures, circuit is connected, and the electric current that the power supply is sent is converted to pulse current through the impulse circuit, just
Pole one end is connected to left side pulse current bringing device, and negative pole one end is connected to right side pulse current bringing device, pulse current
Flowed into by left side pulse current bringing device, by the welded seam area of ratio-frequency welded tube, then via right current bringing device stream
Go out to return to power cathode.
To be opened as shown in Fig. 2 the invention mainly comprises framework soleplate 1, framework lateral plate 2, power supply 19, impulse circuit 18, circuit
Close K and pulse current applying mechanism, framework lateral plate are divided into two pieces of L-shaped plate constructions, are separately mounted to the symmetrical of framework soleplate
Both sides, framework lateral plate form case structure with framework soleplate, and two pieces of framework lateral plates leave gap above framework soleplate, at two pieces
Power supply, impulse circuit and contactor are installed between framework lateral plate；The pulse current applying mechanism be divided into two it is symmetrical,
Structure identical pulse current bringing device, two pulse current bringing devices are symmetrically mounted on framework soleplate and are in respectively
The lower section of framework lateral plate horizontal segment；The pulse current bringing device include fixing bolt 3, spring shim 4, axle lower connecting base 5,
Bearing spider 6, taper roll bearing 7, contact roll 8, bearing (ball) cover 9, rotating shaft 10, connecting rod 11, bearing pin 12, split pin 13, on
Connecting seat 14, tensioning spring 15, electrode connecting parts 16；The contact roll, connecting rod, bearing pin, split pin, upper connecting base are to lead
Electric metal material, electrode connecting parts are ensure that with contacting electrically connecting for roll, and then protect pulse current and form flow cycle；Bearing
Bearing is fixed on framework soleplate by fixing bolt and spring shim, and axle lower connecting base is in bearing spider and also using solid
It is affixed with framework soleplate to determine bolt and spring washer piece；The contact roll is rotary structure, and circular hole is opened up simultaneously in upper and lower ends
Taper roll bearing is installed at circular hole, two taper roll bearings are on the axis of contact roll, taper roll bearing
Outer ring is interference fitted with contacting the circular hole of roll, and rotating shaft and the inner ring of two taper roll bearings are socketed, and rotating shaft is rolled through contact
Roller and both axis coincidences；Cut with scissors longitudinally through after bearing spider by bearing pin, split pin and axle lower connecting base the bottom of rotating shaft
Connect, the top of rotating shaft and rod hinge connection, the other end of connecting rod is hinged with upper connecting base also by bearing pin, split pin, upper connecting base
It is fixedly mounted on the horizontal segment lower surface of framework lateral plate；Electrode connecting parts are installed in the end of framework lateral plate horizontal segment, it is described
Connected between electrode connecting parts and connecting rod by tensioning spring, tensioning spring is in tensioning state, ensures contact roll and high frequency
The abundant contact of welded tube, and then ensure the continuity by weld seam pulse current.
Two pulse current bringing devices are divided into left side pulse current bringing device and right side pulse current bringing device, right
Claim installation, and ensure that the contact roll in two pulse current bringing devices is in horizontality, weldering is clamped using roll is contacted
Pipe.Power supply is connected with impulse circuit, contactor, and positive pole one end of power supply passes through wire and left side pulse current bringing device
Electrode connecting parts are connected, and left side pulse current bringing device is connected with ratio-frequency welded tube, and ratio-frequency welded tube applies with right side pulse current
Device is connected, and the electrode connecting parts of right side pulse current bringing device and negative pole one end of power supply are connected, and form loop.
Consider the deadweight of the contact part such as roll and bearing (ball) cover, choose the taper roller axle that can bear axial force
Hold；Multigroup contact roll is designed, makes designed contact roll that there is different curvature, with taper roll bearing, bearing (ball) cover phase
Size is identical at cooperation, and size is engaged with pending ratio-frequency welded tube, and same device can be used to different size to reach
The effect that is handled of ratio-frequency welded tube.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (1)
1. the device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding, the welded tube is high frequency thermal weld knot
The welded tube of intermediate frequency heat treatment is not carried out after beam also, mainly including framework soleplate, framework lateral plate, power supply, impulse circuit, contactor
And pulse current applying mechanism, it is characterised in that：Framework lateral plate is divided into two pieces of L-shaped plate constructions, is separately mounted to frame ground
The symmetrical both sides of plate, framework lateral plate form case structure with framework soleplate, and two pieces of framework lateral plates leave seam above framework soleplate
Gap, power supply, impulse circuit and contactor are installed between two pieces of framework lateral plates；The pulse current applying mechanism is divided into two
Symmetrical, structure identical pulse current bringing device, two pulse current bringing devices are symmetrically mounted on framework soleplate
And the lower section of framework lateral plate horizontal segment is in respectively；Power supply is connected with impulse circuit, contactor, and positive pole one end of power supply passes through
Wire and a pulse current bringing device are connected, and negative pole one end of power supply passes through wire and another pulse current bringing device
Connect；The pulse current bringing device includes fixing bolt, spring shim, axle lower connecting base, bearing spider, taper roller axle
Hold, contact roll, bearing (ball) cover, rotating shaft, connecting rod, bearing pin, split pin, upper connecting base, tensioning spring, electrode connecting parts；Wherein,
Bearing spider is fixed on framework soleplate by fixing bolt and spring shim, and axle lower connecting base is in bearing spider and also made
It is affixed with fixing bolt and spring shim and framework soleplate；The contact roll is rotary structure, and circle is opened up in upper and lower ends
Taper roll bearing is simultaneously installed in hole at circular hole, and two taper roll bearings are on the axis of contact roll, taper roller
Bearing outer ring is interference fitted with contacting the circular hole of roll, and rotating shaft and the inner ring of two taper roll bearings are socketed, and rotating shaft is passed through and connect
Touch roll and both axis overlap；The bottom of rotating shaft longitudinally through after bearing spider by being connected under bearing pin, split pin and axle
Seat is be hinged, and the top of rotating shaft and rod hinge connection, the other end of connecting rod are hinged with upper connecting base also by bearing pin, split pin, upper company
Joint chair is fixedly mounted on the horizontal segment lower surface of framework lateral plate；Electrode connecting parts are installed in the end of framework lateral plate horizontal segment,
Connected between the electrode connecting parts and connecting rod by tensioning spring, electrode connecting parts are connected with power supply one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979479.2A CN105543468B (en) | 2015-12-24 | 2015-12-24 | The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979479.2A CN105543468B (en) | 2015-12-24 | 2015-12-24 | The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105543468A CN105543468A (en) | 2016-05-04 |
| CN105543468B true CN105543468B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510979479.2A Expired - Fee Related CN105543468B (en) | 2015-12-24 | 2015-12-24 | The device that seam organization refines after a kind of pulse current auxiliary welded tube high-frequency welding |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107742030B (en) * | 2017-10-23 | 2020-05-12 | 燕山大学 | Simulation method for intermediate frequency heating and pulse current application of TP2 internal thread copper pipe |
| CN110369851B (en) * | 2019-08-01 | 2020-07-28 | 燕山大学 | Novel welding device and method based on high-frequency current proximity effect |
| CN115074513A (en) * | 2022-05-27 | 2022-09-20 | 大连理工大学 | Large tailor-welded blank performance regulation and control method and device based on current heating |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899651A (en) * | 1973-10-11 | 1975-08-12 | United States Steel Corp | Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill |
| JP2001287048A (en) * | 2000-03-30 | 2001-10-16 | Kobe Steel Ltd | Welded pipe |
| CN101215630A (en) * | 2007-12-26 | 2008-07-09 | 燕山大学 | Electromagnetic thermal effect welding seam crack arresting and soldering structure strengthening device |
| JP5493666B2 (en) * | 2008-10-03 | 2014-05-14 | 新日鐵住金株式会社 | ERW steel pipe manufacturing method |
| CN102500901B (en) * | 2011-11-16 | 2014-04-16 | 上海交通大学 | Composite pulsation spot welding process and system |
| CN203265874U (en) * | 2013-04-28 | 2013-11-06 | 浙江经宇科技发展有限公司 | Micro adjusting device of welding seam of high-frequency welding aluminum pipe |
| CN104028883B (en) * | 2014-06-25 | 2015-11-18 | 燕山大学 | A kind of device of pulse current assistant electric arc welding process |
| CN105127552B (en) * | 2015-10-23 | 2017-09-05 | 南京中车浦镇城轨车辆有限责任公司 | A kind of pulse current auxiliary welding device and welding method |
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| CN105543468A (en) | 2016-05-04 |
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Effective date of registration: 20200602 Address after: 2037, floor 2, maker building, 3S innovation and entrepreneurship community, No. 888, Hengyuan West Road, Baoding City, Hebei Province, 071000 Patentee after: Hebei yinzhitong Information Technology Co.,Ltd. Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 438 Patentee before: Yanshan University |
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Effective date of registration: 20201216 Address after: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee after: Chongqing high tech Industry Research Institute Co.,Ltd. Address before: 071000 2037, second floor, maker building, 3S entrepreneurship and innovation community, 888 Hengyuan West Road, Baoding City, Hebei Province Patentee before: Hebei yinzhitong Information Technology Co.,Ltd. |
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Effective date of registration: 20220127 Address after: 402760 Tangfang Industrial Park, Qinggang street, Bishan District, Chongqing Patentee after: Chongqing Tianjun Welding Technology Co.,Ltd. Address before: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee before: Chongqing high tech Industry Research Institute Co.,Ltd. |
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Granted publication date: 20171229 Termination date: 20211224 |