CN101474708B - Method and system for realizing electric arc wire feeding for arc welding power source - Google Patents
Method and system for realizing electric arc wire feeding for arc welding power source Download PDFInfo
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- CN101474708B CN101474708B CN2008100017308A CN200810001730A CN101474708B CN 101474708 B CN101474708 B CN 101474708B CN 2008100017308 A CN2008100017308 A CN 2008100017308A CN 200810001730 A CN200810001730 A CN 200810001730A CN 101474708 B CN101474708 B CN 101474708B
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Abstract
The invention discloses a method used for an arc welding power to realize electric arc wire feed. The method dispenses with a control cable or a carrier cable between the arc welding power and a far wire feeder, wherein a wire feeder control system is directly connected with the arc welding power by the welding cable, the energy of an electric arc is directly utilized to drive a wire feed motor, and the programme control of an automatic welding process can be realized. The wire feed method dispenses with the control cable or the carrier cable. By connecting the welding cable used for transporting electric arc energy with the far wire feed system, the programme control of the wire feed motor and the automatic welding process is realized, and the stable working of the welding system is guaranteed. As automatic wire feed consumable electrode electrical arc welding equipment dispenses with the control cable or the carrier cable connected between the electrical arc welding power and the wire feeder, the welding method can be much more convenient, and the service reliability and the stability of the welding equipment are improved. Besides, the invention also discloses a system for realizing the method.
Description
Affiliated technical field
What the present invention relates to is the arc-welding equipment that is used to weld in a kind of industry, especially a kind of method and system that is used for Arc Welding Power realization electric arc wire feeding.
Background technology
Arc Welding Powers such as gas shielded welding machine, submerged arc welding machine, flux-cored wire self-shield welding machine all adopt the remote control mode through control cable or carrier wire at present; Realization is to the far distance controlled of wire feeder; This wire feeder need use control cable or carrier Control line to accomplish and being connected of Arc Welding Power; The length of control line reaches several meters to hundred meters, not only brings difficulty to operation, and owing to this control line is often pounded to become to open circuit or short-circuit condition at the welding operation scene; Make the wire feeder far can't operate as normal, caused solder failure.This just makes the range of application of the electric arc welding power supply automation welding procedure of band wire feeder receive very big restriction.
Summary of the invention
Must be connected the problem that exists in order to overcome existing electric arc welding power supply through controlling cable or carrier wire with wire feeder far away; The present invention provides a kind of feeding method and system that does not control cable or carrier wire, directly utilizes the energy drives wire feeding motor of electric arc and can realize the programme-control to automatic welding process.
The present invention addresses the above problem the technical scheme that is adopted: electric arc welding power supply and far remove controls between the wire feeder cable or carrier wire; Wire feeder control system directly is connected with Arc Welding Power through welding cable; The power input interface that is wire feeder control system is parallelly connected with the arc voltage output interface of electric arc welding power supply; The power supply of wire feeder control system is from arc voltage; No matter arc voltage is in Light Condition still is unsettled load condition; Wire feeder control system process is handled the shaping of the arc voltage of input, can stable control power supply be provided to wire feeding motor drive circuit and automation welding procedure control circuit.No matter to belong to the constant voltage type still be the constant current type to the static characteristic of electric arc welding power supply, and wire feeder control system can both drive wire feeding motor with corresponding different modes.According to the present invention; A kind of method and system that Arc Welding Power is realized electric arc wire feeding that is used for is provided; Welding cable through carrying arc energy is connected with wire feed system far, realizes the programme-control to wire feeding motor and automatic welding process, has guaranteed the steady operation of welding system.
The invention has the beneficial effects as follows; In the melt pole electrical arc welding equipment of automatic feedings such as melting pole gas shielded arc welding, flux cored wire arc welding, submerged-arc welding; The control cable or the carrier wire line that are connected between electric arc welding power supply and the wire feeder have been removed; Make this welding method convenient more, improved the dependability and the stability of welding equipment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is system's control block diagram
Fig. 2 is the square construction drawing of electric arc wire feeding device control circuit
The specific embodiment
The present invention realizes through following technical scheme:
A kind of method that is used for Arc Welding Power realization electric arc wire feeding; This method is through introducing the power supply of arc voltage as wire feeder in welding process; And take diverse ways to drive wire feeding motor according to the different qualities of Arc Welding Power, make the automatic wire feed system steady operation of melt pole electrical arc welding.
The present invention also provides a kind of realization system for carrying out said process.As shown in Figure 1; The positive pole of Arc Welding Power (1) is connected to electric arc wire feeding controller (2) through anodal welding cable (5); The negative pole of Arc Welding Power (1) is connected to welding work pieces (7) through negative pole welding cable (6); One end of controller power circuit (4) is connected to welding work pieces (7) other end and is connected to electric arc wire feeding controller (2), and controller power circuit (4) links to each other with the positive pole of Arc Welding Power (1) through electric arc wire feeding controller (2) like this, after Arc Welding Power (1) starts; The positive-negative output end output arc voltage of Arc Welding Power (1); Controller power circuit (4) utilizes arc voltage to give whole electric arc wire feeding controller (2) power supply, and output drive signal drives wire feeding motor rotational conveyance welding wire to wire feeding motor drive circuit (3) during electric arc wire feeding controller (2) work, accomplishes the melt pole electrical arc welding of automatic feeding.
For clearly demonstrating technical characterstic of the present invention, below explain through a specific embodiment.The box structure of electric arc wire feeding device control circuit is as shown in Figure 2.The electric arc wire feeding controller is made up of wire feed rate given circuit (2-1), arc voltage testing circuit (2-2), high low speed wire feed commutation circuit (2-3), speed control circuit (2-4), motor speed testing circuit (2-5), control logic circuit (2-6), contactor drive circuit (2-7), one valve driving circuit (2-8), holding circuit (2-9).Wire feed rate given circuit (2-1) will be given speed control circuit (2-4) to determining voltage signal.Arc voltage testing circuit (2-2) detects arc voltage.It is more accurate that high low speed wire feed commutation circuit (2-3) is regulated wire feed rate.Speed control circuit (2-4) is according to setting wire feed rate, arc voltage, and the different pwm signal of output duty cycle is given motor-drive circuit.Wire feeding motor drive circuit (3) is converted into motor driven voltage to the pwm signal of speed control circuit output, realizes motor speed control.Motor driven voltage is relevant with the pwm signal dutycycle with arc voltage.Motor speed testing circuit (2-5) changes into voltage signal to motor speed signal, feeds back to speed control circuit.Control logic circuit (2-6) control wire feed, contactor, air valve open closing sequence.Contactor drive circuit (2-7) is given the power supply of contactor solenoid.The power supply of one valve driving circuit (2-8) air-supply valve solenoid.Holding circuit (2-9) is made up of circuit such as power supply overvoltage protection, wire feeding motor overcurrent protection, wire feeding motor moment overcurrent protections.In addition, no matter to belong to the constant voltage type still be the constant current type to the static characteristic of Arc Welding Power (1), and arc voltage testing circuit (2-2) changes adjustment according to arc voltage and outputs to speed control circuit (2-4), and system can both drive wire feeding motor with corresponding different modes.
Claims (3)
1. one kind is used for the method that Arc Welding Power is realized electric arc wire feeding; It is characterized in that: said method is at Arc Welding Power with far remove controls between the wire feeder cable or carrier wire; Wire feeder control system directly is connected with Arc Welding Power through welding cable; Directly utilize the energy drives wire feeding motor of electric arc and can realize the programme-control to automatic welding process, the positive pole of Arc Welding Power (1) is connected to electric arc wire feeding controller (2) through anodal welding cable (5), and the negative pole of Arc Welding Power (1) is connected to welding work pieces (7) through negative pole welding cable (6); One end of controller power circuit (4) is connected to welding work pieces (7); The other end is connected to electric arc wire feeding controller (2), and controller power circuit (4) links to each other with the positive pole of Arc Welding Power (1) through electric arc wire feeding controller (2) like this, after Arc Welding Power (1) starts; The positive-negative output end output arc voltage of Arc Welding Power (1); Controller power circuit (4) utilizes arc voltage to give whole electric arc wire feeding controller (2) power supply, and output drive signal drives wire feeding motor rotational conveyance welding wire to wire feeding motor drive circuit (3) during electric arc wire feeding controller (2) work, accomplishes the melt pole electrical arc welding of automatic feeding; This is a kind of feeding method of not controlling cable or carrier wire; Welding cable through carrying arc energy is connected with wire feed system far, realizes the programme-control to wire feeding motor and automatic welding process, has guaranteed the steady operation of welding system.
2. method according to claim 1; It is characterized in that: no matter arc voltage is in Light Condition still is unsettled load condition; Controller power circuit (4) process is handled the shaping of the arc voltage of input, can both stable control power supply be provided to wire feeding motor drive circuit (3) and electric arc wire feeding controller (2).
3. one kind is used to realize the system of method according to claim 1; It is characterized in that: this system is made up of Arc Welding Power (", electric arc wire feeding controller (2), wire feeding motor drive circuit (3) and controller power circuit (4) four parts; said Arc Welding Power is consumable electrode direct-current arc welding power supply; the positive pole of Arc Welding Power (1) is connected to electric arc wire feeding controller (2) through anodal welding cable (5); the negative pole of Arc Welding Power (1) is connected to welding work pieces (7) through negative pole welding cable (6), and an end of controller power circuit (4) is connected to welding work pieces (7) other end and is connected to electric arc wire feeding controller (2), and controller power circuit (4) links to each other with the positive pole of Arc Welding Power (1) through electric arc wire feeding controller (2) like this; after Arc Welding Power (1) starts; the positive-negative output end output arc voltage of Arc Welding Power (1), and controller power circuit (4) utilizes arc voltage to give whole electric arc wire feeding controller (2) power supply, and output drive signal is to wire feeding motor drive circuit (3) during electric arc wire feeding controller (2) work; Drive wire feeding motor rotational conveyance welding wire, accomplish the melt pole electrical arc welding of automatic feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100017308A CN101474708B (en) | 2008-01-02 | 2008-01-02 | Method and system for realizing electric arc wire feeding for arc welding power source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100017308A CN101474708B (en) | 2008-01-02 | 2008-01-02 | Method and system for realizing electric arc wire feeding for arc welding power source |
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| Publication Number | Publication Date |
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| CN101474708A CN101474708A (en) | 2009-07-08 |
| CN101474708B true CN101474708B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100017308A Active CN101474708B (en) | 2008-01-02 | 2008-01-02 | Method and system for realizing electric arc wire feeding for arc welding power source |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT510886B1 (en) | 2011-01-10 | 2012-10-15 | Fronius Int Gmbh | PROCESS FOR INTRODUCING / CHECKING A MOTION FLOW OF A WELDING ROBOT, A WELDING ROBOT AND A CONTROL THEREFOR |
| CN105583495B (en) * | 2016-03-10 | 2017-09-26 | 山东奥太电气有限公司 | It is a kind of adapt to CC/CV Arc Welding Powers without control wire bonding wire feed system |
| CN105790590B (en) * | 2016-03-10 | 2018-10-09 | 山东奥太电气有限公司 | Convert arc voltage to the Switching Power Supply and its control method of stable dc power supply |
| CN110238487B (en) * | 2019-05-22 | 2020-09-22 | 北京航空航天大学 | Medium plate aluminum alloy deep fusion welding system based on visual sensing and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100692A (en) * | 1985-04-01 | 1986-08-13 | 机械工业部郑州机械研究所 | The electric current amplitude modulation method and the device thereof of push-pull short circuit transition welding |
| CN87214612U (en) * | 1987-10-29 | 1988-10-12 | 天津市电焊机厂 | Co2 shielded welding machine without control cables |
| CN1478630A (en) * | 2002-07-23 | 2004-03-03 | ����ŵ˹��е���̹�˾ | Method and equipment for feeding welding rod to welding arc |
| CN1491767A (en) * | 2002-08-09 | 2004-04-28 | 伊利诺斯器械工程公司 | Welding gun with contact head and its operation method |
-
2008
- 2008-01-02 CN CN2008100017308A patent/CN101474708B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100692A (en) * | 1985-04-01 | 1986-08-13 | 机械工业部郑州机械研究所 | The electric current amplitude modulation method and the device thereof of push-pull short circuit transition welding |
| CN87214612U (en) * | 1987-10-29 | 1988-10-12 | 天津市电焊机厂 | Co2 shielded welding machine without control cables |
| CN1478630A (en) * | 2002-07-23 | 2004-03-03 | ����ŵ˹��е���̹�˾ | Method and equipment for feeding welding rod to welding arc |
| CN1491767A (en) * | 2002-08-09 | 2004-04-28 | 伊利诺斯器械工程公司 | Welding gun with contact head and its operation method |
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| CN101474708A (en) | 2009-07-08 |
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