CN106624346A - Preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding - Google Patents
Preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding Download PDFInfo
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- CN106624346A CN106624346A CN201510716213.9A CN201510716213A CN106624346A CN 106624346 A CN106624346 A CN 106624346A CN 201510716213 A CN201510716213 A CN 201510716213A CN 106624346 A CN106624346 A CN 106624346A
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- welding
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- friction welding
- weldering
- fluid column
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- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
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- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding. The device comprises a rotary motor, a propulsion clamping sleeve, a welding assistance induction loop, a consumable metal bar, a rack, a movable guiding rail, a movable welding assistance device, an infrared temperature detector, a real-time temperature control module, a bidirectional movable sliding plate and a base. The preheating welding assistance method and device disclosed by the invention have the advantages that the consumable metal bar for the FHPP welding can be preheated before welding in a high-frequency induction coil heating manner, thereby solving the problem that insufficient heat is generated at the initial stage of the FHPP welding, improving the formation of a weld, and improving the welding quality; and extra heat energy is provided for the consumable metal bar for the FHPP welding in a low- and mid-frequency induction coil heating manner, thereby compensating for the FHPP welding heat energy which cannot be provided due to limitation of the equipment power, expanding the processing scope of conventional FHPP welding equipment, improving the production flexibility of the FHPP welding equipment, and reducing the production equipment investment cost and maintenance cost.
Description
Technical field
The invention belongs to friction welding (FW) and induction heating technique field, particularly a kind of to help soldering method and device by induction coil heating enforcement fluid column shaping friction welding (FW) preheating.
Background technology
Fluid column is molded Friction welding technique（FHPP）With welding efficiency is high, good joint quality and many advantages, such as strong environmental suitability, repair under water in ocean steel construction crackle, the REPAIR WELDING field of shipping industry steel construction is widely used.Because the technology has prominent advantage in terms of the reparation of thick-walled structure, therefore become the focus of current research.But, by the widely studied discovery of Chinese scholars, fluid column shaping friction welding (FW) there is a problem of in welding process one it is universal, i.e., the heat production of friction welding initial stage deficiency, cause the presence of weld defect in welding point, particular on the position between welding hole and side wall being extremely easy generation defect.Quantity of heat production in order to improve friction process, reduces the generation of weld defect, it is necessary to improve the main technological parameter such as rotating speed, axial force, and this just proposes new problem and new requirement for the production of welding equipment, and hence, limit the development of the technology
At present, fluid column shaping friction welding (FW) is widely used as a kind of solid phase material interconnection technique in field of industrial production, but fluid column is molded the drawbacks of friction welding apparatus also have many and limitation.Such as 1：Using conventional fluid column shaping friction welding apparatus, the friction welding starting stage occurs heat production not foot phenomenon, its shortcoming：So that the superplasticity amount of metal for forming overlap is not enough, appearance of weld is affected, in weld seam bottom especially side wall and bottom transition area, producing weld defect declines welding quality.Such as 2：Using conventional fluid column shaping friction welding apparatus, its power upper limit is definite value, its shortcoming：Being limited by plant capacity can only be processed to fixed material with the product of size range, when the material category of friction welding apparatus is molded beyond fluid column with size range, need to set up extra high-power fluid column shaping friction welding apparatus, the cost of investment that increases manufacturing facilities and maintenance cost, are unfavorable for that fluid column is molded the industrialization flexible production of friction welding apparatus.Thus, current fluid column shaping friction welding apparatus have friction welding initial stage heat production deficiency, and bottom welding seam easily gives birth to defect, and welding quality is not high, and the equipment range of work is little, the drawback such as production flexibility difference, and can replace without other new fluid columns shaping friction welding apparatus.Disadvantages mentioned above limits to a certain extent the application industrially of fluid column shaping friction welding apparatus.
The content of the invention
The purpose of the present invention is molded the problems referred to above that friction welding apparatus are present for fluid column, there is provided one kind helps soldering method, of the invention also offer to use the fluid column of the method sensing heating to be molded friction welding (FW) preheating soldering device by induction coil heating enforcement fluid column shaping friction welding (FW) preheating.
The technical scheme that adopted to solve above-mentioned technical problem of the present invention is：
A kind of fluid column shaping friction welding (FW) preheating helps soldering method, and in the bottom of consumption type metal rod 4 of fluid column shaping friction welding (FW), vertically nesting helps weldering sensing circle circle 3；In warm-up phase, weldering sensing circle circle 3 is helped to be located at the low side of consumption type metal rod 4, weldering sensing circle circle 3 is helped to be passed through high frequency alternating current heating consumption type metal rod 4, the effect produced using high frequency induction current is preheated to expendable metal bar surface, weldering induction coil 3 is helped to stop heating when temperature reaches predetermined temperature, the consumption type metal rod 4 of fluid column shaping friction welding (FW) implements fluid column shaping friction welding from helping the axial direction of weldering sensing circle circle 3 to pass through；Carrying out the friction welding stage, weldering sensing circle circle 3 is helped to move positioned at the top of consumption type metal rod, help weldering sensing circle circle 3 to be passed through Low-frequency alternating currents heating consumption type metal rod, using low frequency induction electric current skin depth it is big the characteristics of, heating is carried out to expendable metal bar 4 and helps weldering.
The fluid column of soldering method is helped to be molded friction welding (FW) preheating soldering device, including frame 5 and the electric rotating machine 1, propulsion retaining sleeve 2 being fixed in frame 5 according to above-mentioned fluid column shaping friction welding (FW) preheating, consumption type metal rod 4 is fixed on propulsion retaining sleeve 2 bottom, wherein：Weldering sensing circle circle 3 is helped to be nested in consumption type metal rod 4 vertically peripheral, weldering sensing circle circle 3 is helped to be connected on the moving guide rail 6 be arrangeding in parallel with consumption type metal rod 4 by the mobile sliding of welding aid 7, it is provided with infrared temperature measurement device 8 on mobile welding aid 7, infrared temperature measurement device 8 and helps weldering to sense circle circle 3 to be connected with real time temperature control module 9.
Said apparatus are further：The frame 5 is fixed with base 11, and way moving slide plate 10 is provided with the pedestal 11.
Described mobile welding aid 7 adopts motor-driven coasting mechanism, its motor to be connected with real time temperature control module 9 with moving guide rail 6 and way moving slide plate 10 with base 11.
Described to help weldering sensing circle circle 3 to be hollow structure, hollow space is passed through liquid coolant.
The invention has the advantages that：
1st, soldering method and device are helped there is provided a kind of brand-new fluid column shaping friction welding (FW) preheating, industrially to apply fluid column shaping friction welding (FW) to provide new method and new way.
2nd, this method and device solve the problems, such as that the heat production of friction welding initial stage is not enough, improve appearance of weld, improve welding quality, expand the range of work that existing fluid column is molded friction welding apparatus.
3rd, this method and device are used with reference to the induction heating equipment of fixed frequency, improve the production flexibility that fluid column is molded friction welding apparatus, reduce investment of production equipment cost and maintenance cost.Fluid column shaping friction welding (FW) applied technical field is with a wide range of applications.
4th, compact conformation, enforcement are simple.
Description of the drawings
Fig. 1, fluid column shaping friction welding (FW) preheating soldering device schematic diagram.
In figure：1 electric rotating machine, 2 propulsion retaining sleeves, 3 help weldering sensing circle circle, 4 consumption type metal rods, 5 frames, 6 moving guide rails, 7 movement welding aids, 8 infrared temperature measurement devices, 9 real time temperature control modules, 10 way moving slide plates, 11 bases.
Specific embodiment
Below in conjunction with the accompanying drawings 1 the present invention is described in detail.
First, it is to be molded nesting one on the bottom axial direction of consumption type metal rod 4 of friction welding (FW) in fluid column and help weldering sensing circle circle 3 that the preheating of fluid column of the invention shaping friction welding (FW) helps soldering method.In warm-up phase, weldering sensing circle circle 3 is helped to be located at the low side of consumption type metal rod 4, weldering sensing circle circle 3 is helped to be passed through high frequency alternating current heating consumption type metal rod 4, the effect produced using high frequency induction current is preheated to the surface of expendable metal bar 4, induction coil 3 stops heating when temperature reaches predetermined temperature, the consumption type metal rod 4 of fluid column shaping friction welding (FW) implements fluid column shaping friction welding from helping the axial direction of weldering sensing circle circle 3 to pass through；Carrying out the friction welding stage, weldering sensing circle circle 3 is helped to move positioned at the upper end of consumption type metal rod 4, help weldering sensing circle circle 3 to be passed through Low-frequency alternating currents heating consumption type metal rod 4, using low frequency induction electric current skin depth it is big the characteristics of, heating is carried out to expendable metal bar 4 and helps weldering.
Secondly, based on said method, the invention provides a kind of fluid column shaping friction welding (FW) preheating soldering device.The device includes base 11, way moving slide plate 10, real time temperature control module 9, friction weld assembly and helps weldering component.Frame 5 and Dual-direction slide plate 10 are installed on the pedestal 11, real time temperature control module 9, friction weld assembly and help weldering component be arranged on frame 10 on.Friction weld assembly includes electric rotating machine 1, propulsion retaining sleeve 2 and consumption type metal rod 4.Electric rotating machine 1 is fixed in frame 5, and propulsion retaining sleeve 2 is connected to the lower section of electric rotating machine 1 and clamps consumption type metal rod 4.Help weldering component by moving guide rail 6, mobile welding aid 7, help weldering sensing circle circle 3 and infrared temperature measurement device 8.Moving guide rail 6 is fixedly connected in frame 5 and parallel with consumption type metal rod 4, on the mobile connection of welding aid 7 moving guide rail 6 and fixedly mounts and helps weldering sensing circle circle 3 and infrared temperature measurement device 8.Infrared temperature measurement device 8 and weldering sensing circle circle 3 is helped to be connected to real time temperature control module 9 by holding wire and wire, with moving guide rail 6 using motor-driven coasting mechanism, the control circuit of its motor is connected mobile welding aid 7 with real time temperature control module 9.
In order to more preferably realize the purpose of the present invention, the fluid column shaping friction welding (FW) preheats soldering device, and it is hollow that apparatus of the present invention help weldering sensing circle circle 3, can be passed through liquid coolant；Mobile welding aid 7 can be moved up in the upper and lower of moving guide rail 6；Propulsion retaining sleeve 2 can rotate and advance downwardly.
Real time temperature control module 9 controls the unlatching of infrared temperature measurement device 8；Real time temperature control module 9 gathers real time temperature data；The control of real time temperature control module 9 helps the time for being passed through alternating current of weldering sensing circle circle 3；Movement locus of the mobile welding aid 7 of the control of real time temperature control module 9 on guide rail；Real time temperature control module 9 controls the movement of way moving slide plate.
In fluid column shaping friction welding (FW) weld preheating helps weldering step, workpiece is arranged on way moving slide plate 10, by the mobile way moving slide plate 10 of the control of real time temperature control module 9, regulate station to be processed, the mobile welding aid 7 of the control of real time temperature control module 9 arrives the bottom of consumption type metal rod 4, infrared temperature measurement device 8 is opened in control, control helps weldering sensing circle circle 3 to be passed through high frequency induction current, property metal bar 4 waiting to consume reaches uniform temperature, the control of real time temperature control module 9 helps weldering sensing circle circle 3 to close heating, the mobile welding aid 7 of the control of real time temperature control module 9 arrives the top of consumption type metal rod 4, close infrared temperature measurement device 8, electric rotating machine 1 starts rotation, the propulsion propulsion of retaining sleeve 2 realizes that fluid column is molded friction welding (FW) subsequent handling.
During weldering step is helped in fluid column shaping friction welding (FW) welding process, the mobile welding aid 7 of the control of real time temperature control module 9 arrives the top of consumption type metal rod 4, infrared temperature measurement device 8 is opened in control, control helps weldering sensing circle circle 3 to be passed through low frequency induction electric current, real time temperature control module 9 passes through the feedback signal of infrared temperature measurement device 8, control helps the heat time of weldering sensing circle circle 3, property metal bar 4 waiting to consume is completed after fluid column shaping friction welding (FW), the control of real time temperature control module 9 helps weldering sensing circle circle 3 to close heating, controlling switch closes infrared temperature measurement device 8, propulsion retaining sleeve 2 returns to original position, electric rotating machine 1 stops the rotation.Weldering overall process is helped to complete to this fluid column shaping friction welding (FW).
The inventive method and device improve the not enough problem of friction welding initial stage heat production, improve appearance of weld, improve welding quality, extra heat energy is provided using the induction coil mode of heating of Low Medium Frequency to the consumption type metal rod that fluid column is molded friction welding (FW), compensate because plant capacity limits the friction welding heat energy that can not be provided, expand the range of work that existing fluid column is molded friction welding apparatus, improve the production flexibility that fluid column is molded friction welding apparatus, reduce investment of production equipment cost and maintenance cost.
Claims (6)
1. a kind of fluid column shaping friction welding (FW) preheating helps soldering method, it is characterized in that being molded the consumption type metal rod of friction welding (FW) in fluid column（4）Vertically nesting helps weldering sensing circle circle for bottom（3）；In warm-up phase, weldering sensing circle circle is helped（3）Positioned at consumption type metal rod（4）Low side, help weldering sensing circle circle（3）It is passed through high frequency alternating current heating consumption type metal rod（4）, expendable metal bar surface is preheated using the effect of high frequency induction current generation, weldering induction coil is helped when temperature reaches predetermined temperature（3）Stop heating, fluid column is molded the consumption type metal rod of friction welding (FW)（4）Sense circle circle from weldering is helped（3）Axial direction is passed through, and implements fluid column shaping friction welding；The friction welding stage is being carried out, weldering sensing circle circle is being helped（3）The mobile top positioned at consumption type metal rod, helps weldering sensing circle circle（3）Be passed through Low-frequency alternating currents heating consumption type metal rod, using low frequency induction electric current skin depth it is big the characteristics of, to expendable metal bar（4）Carry out heating and help weldering.
2. fluid column shaping friction welding (FW) preheating according to claim 1 helps the fluid column of soldering method to be molded friction welding (FW) preheating soldering device, including frame（5）Be fixed on frame（5）On electric rotating machine（1）, propulsion retaining sleeve（2）, consumption type metal rod（4）It is fixed on propulsion retaining sleeve（2）Bottom, is characterized in that：Help weldering sensing circle circle（3）Consumption type metal rod is nested in vertically（4）Periphery, helps weldering sensing circle circle（3）By mobile welding aid（7）Sliding is connected to and consumption type metal rod（4）The moving guide rail be arrangeding in parallel（6）On, in mobile welding aid（7）On be provided with infrared temperature measurement device（8）, infrared temperature measurement device（8）Sensing circle circle is welded with helping（3）With real time temperature control module（9）Connection.
3. fluid column shaping friction welding (FW) preheating soldering device according to claim 2, is characterized in that：The frame（5）With base（11）It is fixed, in base（11）It is provided with way moving slide plate（10）.
4. the fluid column shaping friction welding (FW) preheating soldering device according to Claims 2 or 3, is characterized in that：Described mobile welding aid（7）With moving guide rail（6）And way moving slide plate（10）With base（11）Mode is slided using motor-driven, its motor and real time temperature control module（9）Connection.
5. the fluid column shaping friction welding (FW) preheating soldering device according to Claims 2 or 3, is characterized in that：It is described to help weldering sensing circle circle（3）For hollow structure, hollow space is passed through liquid coolant.
6. fluid column shaping friction welding (FW) preheating soldering device according to claim 4, is characterized in that：It is described to help weldering sensing circle circle（3）For hollow structure, hollow space is passed through liquid coolant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716213.9A CN106624346A (en) | 2015-10-30 | 2015-10-30 | Preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510716213.9A CN106624346A (en) | 2015-10-30 | 2015-10-30 | Preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding |
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| CN106624346A true CN106624346A (en) | 2017-05-10 |
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| CN201510716213.9A Pending CN106624346A (en) | 2015-10-30 | 2015-10-30 | Preheating welding assistance method and device for friction hydro pillar processing (FHPP) welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109317815A (en) * | 2018-11-09 | 2019-02-12 | 南京航空航天大学 | A kind of method agitating friction weldering welder and welded using the device |
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2015
- 2015-10-30 CN CN201510716213.9A patent/CN106624346A/en active Pending
Patent Citations (7)
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| JPH05106061A (en) * | 1991-10-11 | 1993-04-27 | Daido Steel Co Ltd | Method for modifying surface by friction coating |
| US20050150871A1 (en) * | 2004-01-12 | 2005-07-14 | Offer Henry P. | Apparatus and method for electrofriction welding |
| WO2010041945A2 (en) * | 2008-10-10 | 2010-04-15 | Stichting Materials Innovation Institute (M2I) | Friction stir welding with heated supply material |
| US20100147925A1 (en) * | 2008-12-16 | 2010-06-17 | General Electric Company | Apparatus and method for friction surfacing using a consumable pin tool |
| CN101982284A (en) * | 2010-11-04 | 2011-03-02 | 哈尔滨工业大学 | Repair welding method and welding tool of stirring friction plug for friction preheating of telescopic shaft shoulder |
| CN104203480A (en) * | 2012-03-02 | 2014-12-10 | 麦加斯特尔科技有限责任公司 | Friction bit joining of materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317815A (en) * | 2018-11-09 | 2019-02-12 | 南京航空航天大学 | A kind of method agitating friction weldering welder and welded using the device |
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Application publication date: 20170510 |