CN205085564U - Integral type developments induction welding preheating device - Google Patents
Integral type developments induction welding preheating device Download PDFInfo
- Publication number
- CN205085564U CN205085564U CN201520865396.6U CN201520865396U CN205085564U CN 205085564 U CN205085564 U CN 205085564U CN 201520865396 U CN201520865396 U CN 201520865396U CN 205085564 U CN205085564 U CN 205085564U
- Authority
- CN
- China
- Prior art keywords
- eddy
- current heating
- integral type
- preheating device
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides an integral type developments induction welding preheating device in metal processing technology field, includes: induction heating controller, cable, induction heating head and welding torch, wherein: induction heating is first to pass through cable junction with the induction heating controller, sets up around induction heating head and the welding torch just to be rigid connection, the induction heating head include: induction heating transformer and the infrared radiation thermometer, the induction coil that link to each other with it. The utility model discloses preheat regional little, the heating is fast, the energy consumption is low, can realize preheating temperature's closed loop accurate control, improves the welding and preheats efficiency, guarantees welding quality.
Description
Technical field
The utility model relates to the technology of metal processing sectors, specifically the dynamic induction welding preheating device of a kind of integral type.
Background technology
Metal material, the Steel material that especially some phosphorus content are higher, carry out molten solder last as need to carry out preheating, produce the possibility of weld crack to reduce.Traditional welding pre-heating mean mainly resistance heated and eddy-current heating, the preheating time that the former needs is long, and heat loss is large, and the thermal efficiency is low, the heating wire life-span is short, thermal inertia is large, and heating and temperature control is more difficult, and eddy-current heating is due to its higher efficiency of heating surface, lower energy consumption, can Fast Heating workpiece, for the preheating before the welding of some large scale structures, such as, preheating device described in Chinese patent literature CN204171570U.But such device load coil and transformer adopt split-type design, and preheating and welding are separately carried out, and working (machining) efficiency is not high.
Through finding the retrieval of prior art, Chinese patent literature CN201792078U, open (bulletin) day 2011.04.13, disclose a kind of device controlling HOT CRACK FOR WELDING P with weldering electromagnetic induction heating, being that one to carry out preheating preheat coil for the weld seam treating welding work pieces is set in the front of welding gun, arranging one at the rear of welding gun for heating to the weld seam of cooling fast the rear heat coil realizing slow cooling.But this technology is when large scale structure welding scene uses, and the circuit of induction coil is longer, the loss ratio of energy is comparatively large, and in addition, this device temperature transducer is positioned on induction coil, cannot obtain the preheat temperature of workpiece reality.
Utility model content
The utility model, for prior art above shortcomings, proposes the dynamic induction welding preheating device of a kind of integral type, can reduce the loss of eddy-current heating circuit, improves the pre-thermal efficiency of welding.
The utility model is achieved through the following technical solutions,
The utility model comprises: eddy-current heating controller, eddy-current heating head and stube cable, wherein: eddy-current heating controller is connected with the primary coil of eddy-current heating head, to arrange and for being rigidly connected before and after eddy-current heating head and welding torch;
Described eddy-current heating head comprises: eddy-current heating transformer and the infrared radiation thermometer, the induction coil that are attached thereto.
Technique effect
Compared with prior art, load coil and transformer become one by the utility model, preheated zone is little, heating is fast, reduce the loss of eddy-current heating transformer secondary coil to greatest extent, the primary simultaneously lengthened can meet the welding preheat requirements of welding scene long distance weld seam, and the closed loop that can realize preheat temperature accurately controls, improve the pre-thermal efficiency of welding, ensure welding quality.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the part-structure schematic diagram of inverted eddy-current heating head in the utility model;
In figure: eddy-current heating controller 1, cable 2, eddy-current heating transformer 3, infrared radiation thermometer 4, load coil 5, welding torch 6, weld seam 7, workpiece to be welded 8, eddy-current heating head 9.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises: the eddy-current heating controller 1, eddy-current heating head 9 and the welding torch 6 that are connected successively, wherein: eddy-current heating controller 1 is connected with the primary coil of eddy-current heating head 9, to arrange before and after eddy-current heating head 9 and welding torch 6 and for being rigidly connected, eddy-current heating head 9 dynamic heat weld seam 7, greatly reduces energy consumption relative to overall state induction heating;
Described eddy-current heating head 9 comprises: eddy-current heating transformer 3 and the infrared radiation thermometer 4, the induction coil 5 that are attached thereto, wherein: eddy-current heating transformer 3 outer surface is provided with the thick heat-insulating shield of 10mm.Fig. 2 is inverted integral type eddy-current heating head schematic diagram, induction coil 5 to be close on heat-insulating shield and to be connected with the secondary coil of eddy-current heating transformer 3, infrared radiation thermometer 4 is arranged at the outer surface of eddy-current heating transformer 3 side and is connected with eddy-current heating controller 1 by cable 2, and dotted line represents thermometric light path.
Described eddy-current heating controller 1 adopts IGBT inverter, uses DSP to carry out digital accurate control, ensures the stable output of warm-up power, and adopt air-cooled structure, do not need water cooling.
Described primary coil comprises cable 2, requires cable 2 to be lengthened to 20 ~ 30 meters according to actual welding, and to meet weld seam 7 preheating of 50 ~ 60 meters long, primary current is little, therefore the loss of cable 2 is very little.
Described cable 2 is provided with cooling transformer, adopts water cooling.
The thermometric light path of described infrared radiation thermometer 4 is just treating welder's part 8 surface, is conducive to Accurate Measurement workpiece preheat temperature.
Transducing signal and the cable 2 of described infrared radiation thermometer 4 measured temperature are integrated, and are transferred to eddy-current heating controller 1, realize monitoring the closed loop of preheat temperature, ensure welding quality.
Described induction coil 5 is connected with the secondary coil of eddy-current heating transformer 3, although secondary current is comparatively large, because secondary coil is very short, therefore heating loss is lower.
Distance between described induction coil 5 and the workpiece to be welded 8 be preheated is 2 ~ 5 millimeters.
Claims (7)
1. the dynamic induction welding preheating device of integral type, it is characterized in that, comprising: eddy-current heating controller, eddy-current heating head and stube cable, wherein: eddy-current heating controller is connected with the primary coil of eddy-current heating head, to arrange before and after eddy-current heating head and welding torch and for being rigidly connected.
2. the dynamic induction welding preheating device of integral type according to claim 1, is characterized in that, described eddy-current heating head unitary design, comprising: eddy-current heating transformer and the infrared radiation thermometer, the induction coil that are attached thereto.
3. the dynamic induction welding preheating device of integral type according to claim 2, is characterized in that, described eddy-current heating transformer outer surface is provided with heat-insulating shield, and induction coil to be close on heat-insulating shield and to be connected with the secondary coil of eddy-current heating transformer.
4. the dynamic induction welding preheating device of integral type according to claim 1, is characterized in that, described primary coil comprises the cable of adjustable in length, and length can need change with welding.
5. the dynamic induction welding preheating device of integral type according to claim 2, it is characterized in that, described infrared radiation thermometer is arranged at the outer surface of eddy-current heating transformer side, directly measures surface of the work preheat temperature to be welded.
6. the dynamic induction welding preheating device of integral type according to claim 5, is characterized in that, the thermometric light path of described infrared radiation thermometer is just treating the center of welding line.
7. the dynamic induction welding preheating device of integral type according to claim 3, is characterized in that, the spacing between described induction coil and workpiece to be welded is 2 ~ 5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865396.6U CN205085564U (en) | 2015-11-03 | 2015-11-03 | Integral type developments induction welding preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865396.6U CN205085564U (en) | 2015-11-03 | 2015-11-03 | Integral type developments induction welding preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205085564U true CN205085564U (en) | 2016-03-16 |
Family
ID=55476284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520865396.6U Expired - Fee Related CN205085564U (en) | 2015-11-03 | 2015-11-03 | Integral type developments induction welding preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205085564U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975870A (en) * | 2017-05-26 | 2017-07-25 | 青岛北海船舶重工有限责任公司 | A kind of weld heating device |
| CN110434428A (en) * | 2019-08-02 | 2019-11-12 | 中车青岛四方机车车辆股份有限公司 | A kind of HOT CRACK FOR WELDING P control device |
| CN112351534A (en) * | 2020-10-27 | 2021-02-09 | 共享装备股份有限公司 | Electromagnetic preheating device for welding |
| CN113042866A (en) * | 2021-04-29 | 2021-06-29 | 西安理工大学 | Device and method for preheating before electric arc welding |
-
2015
- 2015-11-03 CN CN201520865396.6U patent/CN205085564U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975870A (en) * | 2017-05-26 | 2017-07-25 | 青岛北海船舶重工有限责任公司 | A kind of weld heating device |
| CN110434428A (en) * | 2019-08-02 | 2019-11-12 | 中车青岛四方机车车辆股份有限公司 | A kind of HOT CRACK FOR WELDING P control device |
| CN112351534A (en) * | 2020-10-27 | 2021-02-09 | 共享装备股份有限公司 | Electromagnetic preheating device for welding |
| CN113042866A (en) * | 2021-04-29 | 2021-06-29 | 西安理工大学 | Device and method for preheating before electric arc welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205085564U (en) | Integral type developments induction welding preheating device | |
| CN203292646U (en) | High-frequency induction vacuum brazing furnace | |
| CN101786213A (en) | Method for controlling generation of cold crack in welding process based on electromagnetic induction heating | |
| CN109434286A (en) | A kind of efficient silk material laser cladding method | |
| CN202356772U (en) | Welding tool for copper tip of oxygen lance and short section of steel tube | |
| CN202261890U (en) | Preheating electromagnetic heater for welding steel plates | |
| CN105436707A (en) | Connecting method assisted by electro-magnetic induction synchronous preheating and based on laser additive manufacturing | |
| CN102380688A (en) | Method and device for controlling welding hot cracking during welding by performing electromagnetic induction heating | |
| CN105798462A (en) | Welding method utilizing laser-MAG compound heat source | |
| CN102773614A (en) | Medium frequency induction welding method of rail | |
| CN102909479B (en) | Square long girder steel welding method | |
| CN104404216A (en) | Local heat treatment technology for welding cylindrical shell | |
| CN106319189B (en) | A kind of method of sheet material local heat treatmet | |
| CN204779721U (en) | A local high -temperature tempering device of welding seam for on belted steel continuous production line | |
| CN203830873U (en) | Induction heater and welder | |
| CN104759727B (en) | Special welding head is welded on a kind of AL tube road | |
| CN107552961A (en) | A kind of method of LASER BEAM WELDING TiAl alloy | |
| CN207862412U (en) | Post weld heat treatment branch stake tool and post weld heat treatment support device | |
| CN103658908A (en) | Method and device for braze welding of glass-Kovar combiner and oxygen-free copper | |
| CN203559084U (en) | Quenching sensor for middle-sized front-drive bridge knuckle shaft | |
| CN207512214U (en) | A kind of laser heating system | |
| CN206538480U (en) | A kind of Cu crystallizer surface laser cladding anti-deformation preheating device | |
| CN206200397U (en) | A kind of special induction installation of pipeline girth weld weld preheating | |
| CN211170768U (en) | Novel coil for induction heat treatment of strip | |
| CN105033437A (en) | Welding method of pipe connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20171103 |