CN104985288B - A kind of system that gas shield welding connects welding wire ball - Google Patents
A kind of system that gas shield welding connects welding wire ball Download PDFInfo
- Publication number
- CN104985288B CN104985288B CN201510362652.4A CN201510362652A CN104985288B CN 104985288 B CN104985288 B CN 104985288B CN 201510362652 A CN201510362652 A CN 201510362652A CN 104985288 B CN104985288 B CN 104985288B
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- welding
- connect
- resistance
- power supply
- control unit
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Classifications
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
- B23K9/125—Feeding of electrodes
-
- 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
- B23K9/105—Power supply characterised by the electric circuit by using discharge tubes or mechanical contactors
Abstract
The present invention relates to welding technology fields, more particularly to a kind of system that gas shield welding connects welding wire ball, it include: power supply device, PWM device, overcurrent protection, welding controller, regulating device, wire feeder and remove welding wire ball control device, PWM device is connect with power supply device and overcurrent protection, overcurrent protection is connect with power supply device and welding controller, welding controller and power supply device, wire feeder and regulating device connection, regulating device and power supply device, wire feeder, welding controller and go welding wire ball control device connect, wire feeder and power supply device and welding wire ball control device is gone to connect, welding wire ball control device is gone to connect with power supply device;The present invention has under different gage of wire and different welding current states, can reach the features such as removing the optimum efficiency of welding wire ball after welding, the starting the arc is made not fry not viscous base material after silk, welding and not block up rifle mouth.
Description
Technical field
The present invention relates to the systems that welding technology field more particularly to a kind of gas shield welding connect welding wire ball.
Background technique
Gas-shielded welder is exactly the electric appliance to weld the power supply for providing certain characteristic, and gas-shielded welder is due to flexible simple and convenient jail
Gu it is reliable, each industrial circle, such as aerospace, ship, vapour even are used for extensively weary the advantages of base material equality strength after welding
Vehicle, container etc..But gas welding welding machine is frequently encountered following problems during application: when gage of wire is small, welding
Welding wire ball is excessive afterwards, the easy plug wire of rifle mouth, and has phenomena such as silk is fried in the starting the arc.
For this purpose, being badly in need of a kind of gas shield welding connects the system of welding wire ball to overcome drawbacks described above.
Summary of the invention
The present invention is to overcome drawbacks described above and provide a kind of system that gas shield welding connects welding wire ball, and the system has
Following characteristics: under different gage of wire and different welding current states, welding wire ball is removed after welding can be reached
Optimum efficiency makes not viscous base material and not stifled rifle mouth after the not fried silk of the starting the arc, welding.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of system that gas shield welding connects welding wire ball, comprising: power supply device, PWM device, overcurrent protection, weldering
Connect control device, regulating device, wire feeder and remove welding wire ball control device, the PWM device and the power supply device and
The overcurrent protection connection, the overcurrent protection and the power supply device and the welding controller connect
It connects, the welding controller is connect with the power supply device, the wire feeder and the regulating device, the regulating device
With the power supply device, the wire feeder, the welding controller and it is described go welding wire ball control device to connect, it is described
Wire feeder and the power supply device and it is described go welding wire ball control device to connect, it is described to remove welding wire ball control device and institute
State power supply device connection.
Preferably, described go welding wire ball control device to include: weldingvoltage control module and ball voltage is gone to control mould
Block, the weldingvoltage control module and the power supply device, the wire feeder, the regulating device, the welding control
Device and it is described go ball voltage control module connect, it is described to go ball voltage control module and the power supply device and the weldering
Connect control device connection.
Preferably, the weldingvoltage control module includes: first voltage control unit and the first on/off control unit,
The first voltage control unit and the power supply device, the welding controller, the regulating device and it is described it is first logical/
Disconnected control unit connection, the first on/off control unit and the power supply device, the welding controller and the wire feed
Device connection.
Preferably, described, to go ball voltage control module include: that second voltage control unit and the control of the second on/off are single
Member, the second voltage control unit and the power supply device, the weldingvoltage control module, the welding controller,
The regulating device and the second on/off control unit connection, the second on/off control unit and the power supply device and
The welding controller connection.
Preferably, the first voltage control unit includes first voltage control circuit, the first voltage control circuit
Include: operational amplifier, resistance R65, resistance R56, capacitor C25, resistance R57 and resistance R116, the one end the resistance R116 with
The regulating device connection, the other end are connect with one end of the resistance R65, the other end of the resistance R65 and the operation
The negative input end of amplifier connects, one end of one end of the resistance R56 and the capacitor C25 respectively with the operational amplifier
Negative input end connection, the other end of the other end of the resistance R65 and the resistance C25 respectively with the operational amplifier
Output end connection, the positive input terminal ground connection of the operational amplifier, the output of the one end the resistance R57 and the operational amplifier
End connection, the other end are connect with the welding controller.
Preferably, the first on/off control unit includes the first on/off control circuit, the first on/off control electricity
Road includes: Light-emitting diode LED 4 and triode Q9,4 anode of Light-emitting diode LED and the first voltage control unit
Connection, cathode are connect with the collector of the triode Q9, and the emitter ground connection of the collector Q9, base stage pass through resistance respectively
It is grounded and is connect with the regulating device.
Preferably, the second voltage control unit includes second voltage control circuit, the second voltage control circuit
It include: comparator, resistance R97, capacitor C39, resistance R77, resistance R78 and resistance R64, the one end the resistance R97 and the weldering
Control device and weldingvoltage control module connection are connect, the other end and the one end the capacitor C39 and the comparator are just
Input terminal connection, the capacitor C39 other end connect with the power supply device, the one end the resistance R77 with reach resistance R78 mono-
End and comparator negative input end connection, the resistance R78 other end are connect with the regulating device, and the comparator is born defeated
Enter end and is connect by resistance R64 ground connection, output end with the second on/off control unit.
Preferably, the second on/off control unit includes the second on/off control circuit, the second on/off control electricity
Road includes: diode D37 and triode Q7, the diode D37 anode connect with the second voltage control unit, cathode with
The triode Q7 base stage connection, the triode Q7 collector is connect with the welding controller, emitter is grounded.
The invention has the benefit that the system that a kind of gas shield welding of the invention connects welding wire ball, comprising: power supply dress
It sets, PWM device, overcurrent protection, welding controller, regulating device, wire feeder and remove welding wire ball control device,
The PWM device is connect with the power supply device and the overcurrent protection, the overcurrent protection and the electricity
Source device and welding controller connection, the welding controller and the power supply device, the wire feeder and institute
State regulating device connection, the regulating device and the power supply device, the wire feeder, the welding controller and described
It goes welding wire ball control device to connect, the wire feeder and the power supply device and described welding wire ball control device is gone to connect
It connects, it is described that welding wire ball control device is gone to connect with the power supply device, when welding controller issues normal weld signal, weldering
It connects given voltage and goes welding wire ball control device to stablize output by described, close letter when the welding controller issues welding
Number when, it is described go welding wire ball control device by control welding output voltage uniformly decline, reach automatic adjustment optimal time
The time is welded, solves the problems such as starting the arc fries silk, base material is glued after welding, blocks up rifle mouth under different welding conditions.
Through the following description and in conjunction with the attached drawings, the present invention will become more fully apparent, these attached drawings are used to explain the present invention
Embodiment.
Detailed description of the invention
With attached drawing, the invention will be further described, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.
Fig. 1 is the module frame chart for the system that a kind of gas shield welding of the present invention connects welding wire ball.
The welding controller partial circuit diagram of Fig. 2 Fig. 1 and the circuit diagram for removing welding wire ball control device.
Fig. 3 is the circuit diagram of the partial circuit diagram of the welding controller of Fig. 1, power supply device and wire feeding centrol device.
Fig. 4 is regulating device, PWM device and the overcurrent protection circuit diagram of Fig. 1.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, this is presently preferred embodiments of the present invention.
Embodiment 1:
Please refer to figs. 1 to 4, a kind of system that gas shield welding connects welding wire ball of the present invention, comprising: power supply device 1, PWM
Device 2, overcurrent protection 3, welding controller 4, regulating device 5, wire feeder 6 and welding wire ball control device 7 is removed,
The PWM device 2 is connect with the power supply device 1 and the overcurrent protection 3, the overcurrent protection 3 and institute
It states power supply device 1 and the welding controller 4 connects, the welding controller 4 and the power supply device 1, the wire feed
Device 6 and the regulating device 5 connect, the regulating device 5 and the power supply device 1, the wire feeder 6, the welding
Control device 4 and it is described go welding wire ball control device 7 to connect, the wire feeder 6 and the power supply device 1 and described go to weld
Silk ball control device 7 connects, described that welding wire ball control device 7 is gone to connect with the power supply device 1;Specifically, normal weldering
When connecing state, the power supply device 1 will send electric signal by the regulating device 5 and remove welding wire ball control device 7 to described,
It goes welding wire ball control device 7 to stablize output described in welding given voltage warp, is closed when the welding controller 4 issues welding
It is described to remove welding wire ball control device 7 at the uniform velocity and reduce welding given voltage when signal, so that weldingvoltage at the uniform velocity reduces,
And the voltage of wire feeder 6 at the uniform velocity reduces, further, the wire feed rate of wire feeder 6 uniformly reduces, and welds to realize
The function of silk ball.
Preferably, described that welding wire ball control device 7 is gone to include: weldingvoltage control module 71 and ball voltage is gone to control
Module 72, it is the weldingvoltage control module 71 and the power supply device 1, the wire feeder 6, the regulating device 5, described
Welding controller 4 and it is described go ball voltage control module 72 connect, it is described to remove ball voltage-operated device 72 and the electricity
Source device 1 and the welding controller 4 connect;Specifically, when normal weld, given voltage is welded through the weldingvoltage control
Molding block 71 exports, and when issuing welding shutdown signal, welding given voltage is through the weldingvoltage control module 71 and described goes
Ball voltage control module 72 exports, described that the control welding output voltage of ball voltage control module 72 is gone at the uniform velocity to reduce, into one
Step ground control wire feed rate at the uniform velocity reduces, and goes welding wire ball, the not starting the arc to fry the functions such as silk and not stifled rifle to reach.
Preferably, the weldingvoltage control module 71 includes: first voltage control unit 711 and the control of the first on/off
Unit 712, the first voltage control unit 711 and the power supply device 1, the welding controller 4, the regulating device
5 and the first on/off control unit 712 connection, it is the first on/off control unit 712 and the power supply device 1, described
Welding controller 4 and the wire feeder 6 connect;Specifically, when normal weld, the first on/off control unit 712 is not
Conducting, welding given voltage export through the first voltage control unit 711, issue welding shutdown signal when, described first lead to/
Disconnected control unit 712 is connected, and welding given voltage is at the uniform velocity reduced by the first voltage control unit 711, so that sending
Silk speed at the uniform velocity reduces, and has further reached the function of removing welding wire ball.
It is preferably, described that go ball voltage control module 72 include: second voltage control unit 721 and the second on/off control
Unit 722 processed, it is the second voltage control unit 721 and the power supply device 1, the weldingvoltage control module 71, described
Welding controller 4, the regulating device 5 and the second on/off control unit 722 connection, the second on/off control are single
Member 722 is connect with the power supply device 1 and the welding controller 4;Specifically, the second voltage control unit 721 with
The first on/off control unit 712 connects, more specifically, the second on/off control unit 722 is disconnected when normal weld
Open, welding given voltage export through the second voltage control unit 721, when issue weld shutdown signal when, described second lead to/
Disconnected control unit 722 automatically adjusts the reflow time, thus after solving welding wire ball, frying silk, welding with the starting the arc under welding condition
The problems such as viscous base material and stifled rifle mouth.
Preferably, the first voltage control unit 711 includes first voltage control circuit, the first voltage control electricity
Road includes: operational amplifier, resistance R65, resistance R56, capacitor C25, resistance R57 and the one end resistance R116, the resistance R116
It is connect with the regulating device, the other end is connect with one end of the resistance R65, the other end of the resistance R65 and the fortune
Calculate the negative input end connection of amplifier, one end of one end of the resistance R56 and the capacitor C25 respectively with the operation amplifier
The negative input end of device connects, the other end of the other end of the resistance R65 and the resistance C25 respectively with the operational amplifier
Output end connection, the positive input terminal ground connection of the operational amplifier, the one end the resistance R57 is defeated with the operational amplifier
Outlet connection, the other end are connect with the welding controller;Specifically, when normal weld, given voltage is welded through the electricity
Hinder R116, the resistance R65, the resistance R57 and operational amplifier output.
Preferably, the first on/off control unit 712 includes the first on/off control circuit, the first on/off control
Circuit processed includes: that Light-emitting diode LED 4 and triode Q9,4 anode of Light-emitting diode LED are controlled with the first voltage
Unit connection, cathode are connect with the collector of the triode Q9, and the emitter ground connection of the collector Q9, base stage pass through respectively
It resistance eutral grounding and is connect with the regulating device;Specifically, when normal weld, the Light-emitting diode LED 4 and the triode
Q9 is not turned on, and welding given voltage is exported through the first voltage control module 711, described when issuing closing welding signal
Light-emitting diode LED 4 and triode Q9 conducting, the positive pressure stabilizing of the Light-emitting diode LED 4 is in 1.8V, weldingvoltage
Through the resistance R65, the resistance R56, the capacitor C25 and the operational amplifier U8-C uniform descent, so that weldering
Revolving speed further, reaches the optimum efficiency of welding wire ball by high to stopping when connecing the brake of voltage matches wire-feed motor.
Preferably, the second voltage control unit 721 includes second voltage control circuit, the second voltage control electricity
Road includes: comparator, resistance R97, capacitor C39, resistance R77, resistance R78 and resistance R64, the one end the resistance R97 with it is described
Welding controller and weldingvoltage control module connection, the other end and the one end the capacitor C39 and the comparator
Positive input terminal connection, the capacitor C39 other end connect with the power supply device, the one end the resistance R77 with reach resistance R78
One end and comparator negative input end connection, the resistance R78 other end are connect with the regulating device, and the comparator is negative
Input terminal is grounded by the resistance R64, output end is connect with the second on/off control unit;Specifically, normal weld
When, the end the SW- voltage gone in welding wire ball electric operation control circuit figure is low, the normal output of welding.
Preferably, the second on/off control unit 722 includes the second on/off control circuit, the second on/off control
Circuit processed includes: diode D37 and triode Q7, and the diode D37 anode and the second voltage control unit 721 connect
Connect, cathode is connect with the triode Q7 base stage, the triode Q7 collector connect with the welding controller, emitter
Ground connection;Specifically, when normal weld, go the end SW- voltage in welding wire ball electric operation control circuit figure be it is low, the diode D37 and
The triode Q7 is not turned on, and welding output voltage is exported through the second voltage control unit 721, closes welding letter when issuing
Number when, go the end SW- voltage in welding wire ball electric operation control circuit figure for height, the diode D37 and triode Q7 conducting, weldering
It connects given voltage to integrate through resistance R97 capacitor C39, slowly be increased by the "+" end of comparator U7-B, when "+" end voltage height
When crossing the voltage at "-" end, welding output is closed in the triode Q7 conducting, further, when high current is welded, reflow after welding
Time is long;When small current welding, the reflow time is short after welding, further, solves the fried silk of the starting the arc under different welding conditions,
The problems such as gluing base material after welding, blocking up rifle mouth.
From the above, it can be seen that a kind of system that gas shield welding connects welding wire ball of the present invention, when welding shutdown signal
It is described that the control welding given voltage of welding wire ball control device 7 is gone at the uniform velocity to reduce after sending, further control the wire feed dress
6 wire feed rate is set, so that wire feed rate at the uniform velocity reduces, so that realizing welding removes welding wire ball, in different welding conditions
Under, silk is fried in the not starting the arc, the functions such as not viscous base material and not stifled rifle mouth after welding.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (1)
1. the system that a kind of gas shield welding connects welding wire ball characterized by comprising power supply device, PWM device, over current protection
Protection unit, welding controller, regulating device, wire feeder and welding wire ball control device is removed, the PWM device and the electricity
Source device and overcurrent protection connection, the overcurrent protection and the power supply device and the welding control
Device connection, the welding controller are connect with the power supply device, the wire feeder and the regulating device, the tune
Regulating device and the power supply device, the wire feeder, the welding controller and described welding wire ball control device is gone to connect
Connect, the wire feeder and the power supply device and it is described go welding wire ball control device to connect, it is described that welding wire ball is gone to control
Device is connect with the power supply device;
It is described that welding wire ball control device is gone to include: weldingvoltage control module and go ball voltage control module, the welding
It voltage control module and the power supply device, the wire feeder, the regulating device, the welding controller and described goes
The connection of ball voltage control module, it is described that ball voltage control module and the power supply device and the welding controller is gone to connect
It connects;The weldingvoltage control module includes: first voltage control unit and the first on/off control unit, the first voltage
Control unit and the power supply device, the welding controller, the regulating device and the first on/off control unit connect
It connects, the first on/off control unit is connect with the power supply device, the welding controller and the wire feeder;
Described to go ball voltage control module include: second voltage control unit and the second on/off control unit, second electricity
Press control unit and the power supply device, the weldingvoltage control module, the welding controller, the regulating device and
The second on/off control unit connection, the second on/off control unit and the power supply device and welding control fill
Set connection;
The first voltage control unit includes first voltage control circuit, and the first voltage control circuit includes: that operation is put
Big device, resistance R65, resistance R56, capacitor C25, resistance R57 and resistance R116, the one end the resistance R116 and the regulating device
Connection, the other end are connect with one end of the resistance R65, and the other end of the resistance R65 and bearing for the operational amplifier are defeated
Enter end to connect, one end of one end of the resistance R56 and the capacitor C25 connect with the negative input end of the operational amplifier respectively
It connecing, the other end of the other end of the resistance R65 and the resistance C25 are connect with the output end of the operational amplifier respectively,
The positive input terminal of the operational amplifier is grounded, and the one end the resistance R57 connect with the output end of the operational amplifier, is another
End is connect with the welding controller;
The first on/off control unit includes the first on/off control circuit, and the first on/off control circuit includes: luminous
Diode (LED) 4 and triode Q9,4 anode of Light-emitting diode LED are connect with the first voltage control unit, cathode and
The collector of the triode Q9 connects, the emitter ground connection of the triode Q9, base stage pass through respectively resistance eutral grounding and with institute
State regulating device connection;
The second voltage control unit includes second voltage control circuit, the second voltage control circuit include: comparator,
Resistance R97, capacitor C39, resistance R77, resistance R78 and resistance R64, the one end the resistance R97 and the welding controller and
The weldingvoltage control module connection, the other end are connect with the positive input terminal of the one end the capacitor C39 and the comparator, institute
The capacitor C39 other end is stated to connect with the power supply device, the one end the resistance R77 with reach the one end resistance R78 and it is described compared with
The connection of device negative input end, the resistance R78 other end are connect with the regulating device, and the comparator negative input end passes through described
Resistance R64 ground connection, output end are connect with the second on/off control unit;
The second on/off control unit includes the second on/off control circuit, and the second on/off control circuit includes: two poles
Pipe D37 and triode Q7, the diode D37 anode connect with the second voltage control unit, cathode and the triode
The connection of Q7 base stage, the triode Q7 collector is connect with the welding controller, emitter is grounded.
Priority Applications (1)
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CN201510362652.4A CN104985288B (en) | 2015-06-26 | 2015-06-26 | A kind of system that gas shield welding connects welding wire ball |
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CN201510362652.4A CN104985288B (en) | 2015-06-26 | 2015-06-26 | A kind of system that gas shield welding connects welding wire ball |
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CN104985288A CN104985288A (en) | 2015-10-21 |
CN104985288B true CN104985288B (en) | 2018-12-14 |
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Citations (5)
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WO2008150274A1 (en) * | 2007-05-23 | 2008-12-11 | Lincoln Global, Inc. | Gas less process and system including liquefied gas storage tanks |
CN103386535A (en) * | 2013-07-12 | 2013-11-13 | 深圳华意隆电气股份有限公司 | Digitized inverter welding machine |
CN103521892A (en) * | 2013-10-16 | 2014-01-22 | 无锡市南方电器制造有限公司 | Welding wire molten ball eliminating circuit of carbon dioxide gas shielded welder |
CN203541813U (en) * | 2013-11-27 | 2014-04-16 | 深圳华意隆电气股份有限公司 | Digitization multifunctional solar electric arc welding machine |
CN204735822U (en) * | 2015-06-26 | 2015-11-04 | 惠州市国树焊接器材有限公司 | System for gas is protected welding and is removed welding wire ball |
-
2015
- 2015-06-26 CN CN201510362652.4A patent/CN104985288B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008150274A1 (en) * | 2007-05-23 | 2008-12-11 | Lincoln Global, Inc. | Gas less process and system including liquefied gas storage tanks |
CN103386535A (en) * | 2013-07-12 | 2013-11-13 | 深圳华意隆电气股份有限公司 | Digitized inverter welding machine |
CN103521892A (en) * | 2013-10-16 | 2014-01-22 | 无锡市南方电器制造有限公司 | Welding wire molten ball eliminating circuit of carbon dioxide gas shielded welder |
CN203541813U (en) * | 2013-11-27 | 2014-04-16 | 深圳华意隆电气股份有限公司 | Digitization multifunctional solar electric arc welding machine |
CN204735822U (en) * | 2015-06-26 | 2015-11-04 | 惠州市国树焊接器材有限公司 | System for gas is protected welding and is removed welding wire ball |
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Address after: 516008 room 402, No. 4, Zhongjing Road, Chenjiang street, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: HUIZHOU GUOSHU WELDING EQUIPMENT Co.,Ltd. Address before: 516000 first floor, No. 37, Zhongkai fifth road, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU GUOSHU WELDING EQUIPMENT Co.,Ltd. |