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 PDF

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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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China
Prior art keywords
welding
connect
resistance
power supply
control unit
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CN201510362652.4A
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Chinese (zh)
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CN104985288A (en
Inventor
苏卫东
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Huizhou Guoshu Welding Equipment Co Ltd
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Huizhou Guoshu Welding Equipment Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/124Circuits or methods for feeding welding wire
    • B23K9/125Feeding of electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/10Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006Power supply
    • B23K9/1043Power supply characterised by the electric circuit
    • B23K9/105Power 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

A kind of system that gas shield welding connects welding wire ball
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.
CN201510362652.4A 2015-06-26 2015-06-26 A kind of system that gas shield welding connects welding wire ball Active CN104985288B (en)

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CN104985288B true CN104985288B (en) 2018-12-14

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Patentee before: HUIZHOU GUOSHU WELDING EQUIPMENT Co.,Ltd.