CN103521892A - Welding wire molten ball eliminating circuit of carbon dioxide gas shielded welder - Google Patents
Welding wire molten ball eliminating circuit of carbon dioxide gas shielded welder Download PDFInfo
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- CN103521892A CN103521892A CN201310484389.7A CN201310484389A CN103521892A CN 103521892 A CN103521892 A CN 103521892A CN 201310484389 A CN201310484389 A CN 201310484389A CN 103521892 A CN103521892 A CN 103521892A
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- resistance
- diode
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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
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
- B23K9/1043—Power supply characterised by the electric circuit
Abstract
The invention provides a welding wire molten ball eliminating circuit of a carbon dioxide gas shielded welder. The circuit comprises a resistor R1, one end of the resistor R1 is connected with a power supply VCC, the other end of the resistor R1 is connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a welding gun switch Ts, the other end of the welding gun switch Ts is connected with the ground, the anode of the diode D1 is connected with one end of a resistor R2, and the other end of the resistor R2 is connected with one end of a resistor R3, the cathode of the diode D2 and the base electrode of an NPN transistor T1. The other end of the resistor R3, the anode of the diode D2 and the emitter of the NPN transistor T1 are connected with the ground. The collector of the NPN transistor T1 is connected with the anode of a voltage regulator tube ZD1 through a resistor R4. The cathode of the voltage regulator tube ZD1 is connected with the adjusting end of an adjustable resistor VR1 and serves as the output end of the welding wire molten ball eliminating circuit. According to the circuit, when welding is finished, output of welding voltage is reduced appropriately, enlarging of a welding wire molten ball is reduced, and arc strike next time is easy.
Description
Technical field
The present invention relates to the partial circuit of carbon dioxide gas shielded welding machine, be specifically related to the molten ball circuit of expeling welding wire of carbon dioxide gas shielded welding machine.
Background technology
It is a kind of energy-efficient high-quality welding method that carbon dioxide gas arc welding connects technique.Be widely used in all fields of national economy.Carbon dioxide gas arc welding, according to technological requirement, when welding machine finishes, be used than the little welding conditions of normal output weldingvoltage, avoids the molten ball of wire tip excessive, so that next striking is easy.How designing highly reliable electronic control circuit, is the key technology of carbon dioxide welding machine application.
Summary of the invention
The object of the invention is to the molten ball circuit of expeling welding wire that adopts simple and reliable control circuit to realize carbon dioxide gas shielded welding machine; only with a transistor and voltage-stabiliser tube and several resistance element, just realized the technological requirement of carbon dioxide gas arc welding; improve welding quality, increased the reliability of welding machine simultaneously.The technical solution used in the present invention is:
The molten ball circuit of expeling welding wire, comprising: resistance R 1, a termination power VCC of resistance R 1, the anode of another terminating diode D1, the negative electrode of diode D1 connects one end of arc welding gun switch Ts, the other end ground connection of arc welding gun switch Ts;
One end of the anode connecting resistance R2 of diode D1, one end of other end connecting resistance R3 of resistance R 2 is, the base stage of the negative electrode of diode D2 and NPN transistor T1; The grounded emitter of the anode of the other end of resistance R 3, diode D2 and NPN transistor T1; The colelctor electrode of NPN transistor T1 connects the anode of voltage-stabiliser tube ZD1 by resistance R 4;
One of adjustable resistance VR2 fixing termination power VCC, another is a stiff end of termination adjustable resistance VR1 fixedly, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR2; Another of adjustable resistance VR1 be a stiff end of termination adjustable resistance VR3 fixedly, another stiff end ground connection of adjustable resistance VR3, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR3; The negative electrode of voltage-stabiliser tube ZD1 connects the adjustable side of adjustable resistance VR1 and as expeling welding wire, melts the output of ball circuit.
The invention has the advantages that the molten ball circuit of expeling welding wire of just having realized carbon dioxide gas shielded welding machine welding process requirement with several minority electrons components and parts, there is the molten ball effect of better expeling welding wire, make its striking easy.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Fig. 2 is the molten ball circuit control action sequential chart of the expeling welding wire of carbon dioxide welding machine of the present invention.
The specific embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: a kind of molten ball circuit of expeling welding wire of carbon dioxide gas shielded welding machine, comprise: resistance R 1, a termination power VCC of resistance R 1, the anode of another terminating diode D1, the negative electrode of diode D1 connects one end of arc welding gun switch Ts, the other end ground connection of arc welding gun switch Ts;
One end of the anode connecting resistance R2 of diode D1, one end of other end connecting resistance R3 of resistance R 2 is, the base stage of the negative electrode of diode D2 and NPN transistor T1; The grounded emitter of the anode of the other end of resistance R 3, diode D2 and NPN transistor T1; The colelctor electrode of NPN transistor T1 connects the anode of voltage-stabiliser tube ZD1 by resistance R 4;
One of adjustable resistance VR2 fixing termination power VCC, another is a stiff end of termination adjustable resistance VR1 fixedly, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR2; Another of adjustable resistance VR1 be a stiff end of termination adjustable resistance VR3 fixedly, another stiff end ground connection of adjustable resistance VR3, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR3; The negative electrode of voltage-stabiliser tube ZD1 connects the adjustable side of adjustable resistance VR1 and as expeling welding wire, melts the output of ball circuit.
Drive away the molten ball circuit of welding wire and be used for exporting weldingvoltage control instruction V01.
After pressing arc welding gun switch button Ts, diode D1 conducting → transistor T 1 cut-off → weldingvoltage control instruction, by VR1 regulation output, is at this moment exported normal weldingvoltage instruction, and this normal weldingvoltage instruction is a higher level.When welding finishes, decontrol arc welding gun switch Ts, power supply VCC is through R1, R2 and R3 bias voltage, and transistor T 1 conducting → voltage-stabiliser tube ZD1 punctures conducting, and the weldingvoltage control instruction of the now negative electrode of voltage-stabiliser tube ZD1 output changes the molten ball voltage instruction of a more low level expeling welding wire into.The conducting that punctures due to voltage-stabiliser tube ZD1, is limited in output voltage instruction in ZD1 breakdown voltage, makes to drive away the level of the molten ball voltage instruction of welding wire lower than the level of normal weldingvoltage instruction.Thereby when welding finishes, by driving away the molten ball voltage instruction of welding wire, make drive circuit (not drawing in Fig. 1) output voltage of welding machine lower than normal weldingvoltage, the molten ball of welding wire diminishes, and reaches the object of driving away the molten ball of wire tip.Its action sequence is shown in Fig. 2.
Utilize and drive away the molten ball circuit of welding wire, can realize after welding finishes, suitably reduce welding machine output voltage, the molten ball of wire tip is diminished, while being convenient to next welding, striking is easy.
Claims (1)
1. the molten ball circuit of the expeling welding wire of carbon dioxide gas shielded welding machine, is characterized in that, comprising: resistance R 1, one termination power VCC of resistance R 1, the anode of another terminating diode D1, the negative electrode of diode D1 connects one end of arc welding gun switch Ts, the other end ground connection of arc welding gun switch Ts;
One end of the anode connecting resistance R2 of diode D1, one end of other end connecting resistance R3 of resistance R 2 is, the base stage of the negative electrode of diode D2 and NPN transistor T1; The grounded emitter of the anode of the other end of resistance R 3, diode D2 and NPN transistor T1; The colelctor electrode of NPN transistor T1 connects the anode of voltage-stabiliser tube ZD1 by resistance R 4;
One of adjustable resistance VR2 fixing termination power VCC, another is a stiff end of termination adjustable resistance VR1 fixedly, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR2; Another of adjustable resistance VR1 be a stiff end of termination adjustable resistance VR3 fixedly, another stiff end ground connection of adjustable resistance VR3, and any one is connected with two stiff ends in the adjustable side of adjustable resistance VR3; The negative electrode of voltage-stabiliser tube ZD1 connects the adjustable side of adjustable resistance VR1 and as expeling welding wire, melts the output of ball circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484389.7A CN103521892B (en) | 2013-10-16 | 2013-10-16 | The expeling welding wire of carbon dioxide gas shielded welding machine melts ball circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484389.7A CN103521892B (en) | 2013-10-16 | 2013-10-16 | The expeling welding wire of carbon dioxide gas shielded welding machine melts ball circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103521892A true CN103521892A (en) | 2014-01-22 |
| CN103521892B CN103521892B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484389.7A Active CN103521892B (en) | 2013-10-16 | 2013-10-16 | The expeling welding wire of carbon dioxide gas shielded welding machine melts ball circuit |
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| CN (1) | CN103521892B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985288A (en) * | 2015-06-26 | 2015-10-21 | 惠州市国树焊接器材有限公司 | System for removing welding wire ball through gas shield welding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551948A (en) * | 1978-06-21 | 1980-01-09 | Nippon Steel Corp | Automatic control method of arc length in tig automatic welding |
| CN201239844Y (en) * | 2008-04-23 | 2009-05-20 | 蒋仲湘 | Novel soft switch inversion type carbon dioxide gas protecting welder |
| CN202291765U (en) * | 2011-09-28 | 2012-07-04 | 温岭万顺机电制造有限公司 | Gas protection welding machine |
| CN102794545A (en) * | 2012-08-29 | 2012-11-28 | 无锡市南方电器制造有限公司 | All-digital integrated circuit for realizing arc extinguishing control logic of gas shielded welding machine |
| CN203526773U (en) * | 2013-10-16 | 2014-04-09 | 无锡市南方电器制造有限公司 | Welding wire molten globule removing circuit of carbon dioxide gas shielded welding machine |
-
2013
- 2013-10-16 CN CN201310484389.7A patent/CN103521892B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551948A (en) * | 1978-06-21 | 1980-01-09 | Nippon Steel Corp | Automatic control method of arc length in tig automatic welding |
| CN201239844Y (en) * | 2008-04-23 | 2009-05-20 | 蒋仲湘 | Novel soft switch inversion type carbon dioxide gas protecting welder |
| CN202291765U (en) * | 2011-09-28 | 2012-07-04 | 温岭万顺机电制造有限公司 | Gas protection welding machine |
| CN102794545A (en) * | 2012-08-29 | 2012-11-28 | 无锡市南方电器制造有限公司 | All-digital integrated circuit for realizing arc extinguishing control logic of gas shielded welding machine |
| CN203526773U (en) * | 2013-10-16 | 2014-04-09 | 无锡市南方电器制造有限公司 | Welding wire molten globule removing circuit of carbon dioxide gas shielded welding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985288A (en) * | 2015-06-26 | 2015-10-21 | 惠州市国树焊接器材有限公司 | System for removing welding wire ball through gas shield welding |
| CN104985288B (en) * | 2015-06-26 | 2018-12-14 | 惠州市国树焊接器材有限公司 | A kind of system that gas shield welding connects welding wire ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103521892B (en) | 2015-08-26 |
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Effective date of registration: 20160107 Address after: 214196 Sunshine Industrial Park, Donggang Town, Xishan District, Jiangsu, Wuxi, 8 Patentee after: Jiangsu Dade Heavy Industry Co., Ltd. Address before: 214196 No. 8 Sunshine Industrial Park, East Lake Town, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Nanfang Electric Appliance Manufacturing Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214196 No. 28 South Garden Road, Xishan District, Jiangsu, Wuxi, Donggang Patentee after: Jiangsu Dade heavy industry Limited by Share Ltd Address before: 214196 Sunshine Industrial Park, Donggang Town, Xishan District, Jiangsu, Wuxi, 8 Patentee before: Jiangsu Dade Heavy Industry Co., Ltd. |