CN203448851U - Wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding - Google Patents
Wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding Download PDFInfo
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- CN203448851U CN203448851U CN201320524246.XU CN201320524246U CN203448851U CN 203448851 U CN203448851 U CN 203448851U CN 201320524246 U CN201320524246 U CN 201320524246U CN 203448851 U CN203448851 U CN 203448851U
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Abstract
The utility model relates to the technical field of electric welding, in particular to a wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding. The Wire feeding motor speed regulating system suitable for the pulse consumable electrode arc welding comprises a wire feeding motor for conveying a welding wire and also comprises a speed regulation circuit for regulating the rotary speed of the wire feeding motor, wherein the wire feeding motor is connected with a power supply; the speed regulation circuit comprises a rotary speed regulator for outputting a control voltage; the output end of the rotary speed regulator is connected with a power electronic converter of which the output end is connected with the wire feeding motor. The power supply input end of the power electronic converter is connected with the power supply. As the technical scheme is adopted, dual feedbacks of the wire feeding speed and armature current are used for adjusting the rotary speed of the motor, so the capability of the system for resisting torque change is improved, the speed change rate of the wire feeding system caused by voltage fluctuation and load change of a network is far smaller than the national standard, the wire feeding speed is uniform and stable and the antijamming capability is strong.
Description
Technical field
The utility model relates to electric welding technical field, is specifically related to a kind of wire feeding motor governing system of arc welding.
Background technology
In pulse metal arc welding, wire feed rate is larger than non-pulse metal arc welding on welding process impact.The current impulse connecing due to pulse MIG/MAG welding has strict periodicity, when wire feed rate is inhomogeneous, welding process there will be short circuit or current interruption phenomenon, the shaping, welding quality and the increase that affect weld seam are splashed, therefore only has uniform and stable wire feed rate, guarantee welding process stable.In actual welding process, have the interference in the various external worlds, so the accurate control of wire feed rate is to guarantee the stable key factor of carrying out of welding process.
Wire feed system is comprised of wire feeder, wire convey soft pipe, wire reel etc.Wire feeder is comprised of motor, decelerator ,Jiao Zhi mechanism, wire pushing roller etc.Feeding stability refers to when the power input voltage of motor changes or wire-feeder resistance changes, and can keep the invariable performance of wire feed rate.Feeding stability is on the one hand with the mechanical property of wire feeding motor and to drag the control accuracy of control circuit relevant, resistance, wire pushing roller mechanism and the wire pushing roller sent in process with welding wire again are on the other hand relevant, also relevant with the housing rigidity of wire-feed motor to type of drive of welding wire etc.Wire feed type of drive conventional when at pulse MIG/MAG welding is push-wire-type, and welding wire need to just can enter welding gun through longer wire convey soft pipe, and welding wire is subject to larger resistance in flexible pipe, so can affect the stability of wire feed in welding process.
Utility model content
The purpose of this utility model is, a kind of wire feeding motor governing system that is applicable to pulse metal arc welding is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Be applicable to the wire feeding motor governing system of pulse metal arc welding, comprise that one for transporting the wire feeding motor of welding wire, described wire feeding motor connects power supply source, it is characterized in that, also comprises that one for adjusting the alignment circuit of wire feeding motor rotating speed;
Described alignment circuit comprises that one for exporting the speed regulator of controlling voltage, and the output of described speed regulator connects a converters, and the output of described converters connects described wire feeding motor;
The power input of described converters connects described power supply source.
In the utility model when work,, the control voltage being generated by alignment circuit export to converters controls, make converters export can drive motors voltage, realization regulates the object of wire feeding motor rotating speed by alignment circuit.
Also comprise a speed feedback circuit for detection of motor speed, the signal output part of described speed feedback circuit connects described alignment circuit, to generate for regulating the control voltage of wire feeding motor rotating speed after sending testing result to alignment circuit;
Described speed feedback circuit comprises that an optical code disk for detection of production burst signal after motor speed and is for converting pulse signal to the frequency pressure modular converter of voltage, described optical code disk is connected by shaft coupling with the rotating shaft of described wire feeding motor, the signal output part of described optical code disk connects the input that described frequency is pressed modular converter, and described frequency presses the signal output part of modular converter to connect described alignment circuit.
During the utility model work, wire feeding motor makes optical code disk produce interlock while rotating, optical code disk produces the pulse signal of corresponding motor speed, and it is sent to and presses modular converter frequently, after frequently pressing modular converter that pulse signal is changed into corresponding voltage, send alignment circuit to, so that alignment circuit generates for controlling the control voltage of motor speed according to the voltage after this conversion.
Described frequency presses modular converter to comprise an XR4151D integrated circuit, the signal output part of optical code disk connects the 6th pin of XR4151D, No. 1 pin of XR4151D connects an operation amplifier circuit, the pulse signal that the grating of optical code disk records is given XR4151D after photoelectricity isolation, XR4151D is converted to analog current signal by pulse signal, from its No. 1 pin output, after operation amplifier circuit conversion, become analog voltage signal.
The current feedback circuit that also comprises armature supply in the described wire feeding motor of a detection, the signal output part of described current feedback circuit connects described alignment circuit, to the armature supply of wire feeding motor is carried out feeding back to alignment circuit after Real-Time Monitoring;
Described current feedback circuit comprises a current detection module, and described current detection module is arranged between described converters and described wire feeding motor, so that the armature supply of Real-Time Monitoring wire feeding motor;
The signal output part of described current detection module connects described alignment circuit.
Described current detection module preferably adopts a Hall current sensor.
During the utility model work, the armature supply of current detection module Real-Time Monitoring wire feeding motor also to the alignment circuit of sending, so that alignment circuit generates for controlling the control voltage of motor speed according to the armature supply of feedback.
Also comprise a given rotating speed voltage generator for generation of given rotating speed voltage, described given rotating speed voltage generator connects described alignment circuit, to transmit given speed voltage to alignment circuit, is convenient to alignment circuit and carries out generating deviation voltage after voltage ratio.
Described given rotating speed voltage generator preferably adopts a single-chip microcomputer.
Also comprise a given armature supply maker for generation of given armature supply, described given armature supply maker connects described alignment circuit, to transmit given armature supply to alignment circuit, is convenient to alignment circuit and carries out generating deviation electric current after current ratio.
Described given armature supply maker preferably adopts a single-chip microcomputer.
Described alignment circuit comprises a rotating speed processing module, and for the feedback signal of speed feedback circuit and given rotating speed voltage are compared to rear generation deviation voltage and amplify, described rotating speed processing module connects described speed regulator;
Described rotating speed processing module comprises a rotating speed comparison circuit and an integrating amplification circuit PI1, and the output of described rotating speed comparison circuit connects described integrating amplification circuit PI1, and the output of described integrating amplification circuit PI1 connects described speed regulator;
The signal output part of the signal output part of described speed feedback circuit and described given rotating speed voltage generator is connected respectively described rotating speed comparison module, so that voltage and given speed voltage that the real-time rotate speed of wire feeding motor is corresponding compare rear generation rotating speed deviation voltage, integration amplifying element PI1 amplifies rotating speed deviation voltage and sends speed regulator to, by speed regulator, generate and control voltage, and control the output of Control of Voltage converters by this.
The utility model, by speed feedback circuit is set, coordinates the corresponding part in alignment circuit that the rotating speed of wire feeding motor is detected and adjusted, and makes it remain stable.When the load of wire feeding motor increases, corresponding motor speed can reduce, rotating speed after reduction generates control voltage after being fed back to alignment circuit by speed feedback circuit, and the voltage of controlling after converters output is adjusted is stablized the rotating speed of wire feeding motor.
Described alignment circuit comprises armature supply processing module, and for the feedback signal of current feedback circuit and given armature supply are compared to rear generation deviation electric current and amplify, described armature supply processing module connects described speed regulator;
Described armature supply processing module comprises a current comparison circuit and an integrating amplification circuit PI2, the output of the signal output part of described current feedback circuit and given armature supply maker is connected with described current comparison circuit respectively, to the armature supply of wire feeding motor and given electric current are compared and generate deviation electric current, and send speed regulator to after it being amplified by integrating amplification circuit PI2, by speed regulator, generating control voltage controls converters, make the voltage after its output is adjusted, to make the rotating speed of wire feeding motor be adjusted and stablize.
The utility model is by arranging current feedback circuit, coordinate alignment circuit to carry out Real-Time Monitoring to the armature supply of wire feeding motor, when increasing, wire feeding motor load can cause that armature supply increases, now, the electric current increasing is gathered post processing by alignment circuit and becomes to control voltage, this control voltage is used to converters to control and make its output adjust voltage, to the rotating speed of wire feeding motor is remained unchanged substantially.
Rotating speed processing module in described alignment circuit, armature supply processing module adopt an integrated circuit TL494 to realize, described integrating amplification circuit PI1 and PI2 are connected respectively the input of integrated circuit TL494, and the output of described integrated circuit TL494 connects one 4 nor gate ICs 2 and an electronic switch 4053.
Described power supply source adopts transformer to carry out to industrial 380V voltage the DC power supply producing after pressure drop rectification.
Described converters comprises that one for motor-driven metal-oxide-semiconductor Q1, the one metal-oxide-semiconductor Q2 for motor braking, be respectively used to open and stop described wire feeding motor, described metal-oxide-semiconductor Q1 is series in the current supply circuit of described wire feeding motor, described metal-oxide-semiconductor Q2 is connected in parallel on described wire feeding motor, the control end of described metal-oxide-semiconductor Q1 connects the motor drive signal output of described alignment circuit, and the control end of described metal-oxide-semiconductor Q2 connects the motor braking signal output part of described alignment circuit.
A piezo-resistance ZNR1 in parallel also on described wire feeding motor; two power access ends of described wire feeding motor connect respectively ground connection after a piezo-resistance ZNR2, ZNR3; described piezo-resistance ZNR1, ZNR2, ZNR3 are used for the abnormal overvoltage of absorbing circuit, so that protection motor and associated circuit components.
Beneficial effect: owing to adopting technique scheme, the utility model regulates motor speed by two feedbacks of wire feed rate and armature supply, improved the ability that system resisting moment changes, make the percentage speed variation of the caused wire feed system of variation of network voltage fluctuation and load be far smaller than GB, wire feed rate evenly, stable, antijamming capability is strong.
Accompanying drawing explanation
Fig. 1 is that circuit of the present utility model connects sketch;
Fig. 2 is the circuit diagram of frequency-voltage conversion circuit of the present utility model;
Fig. 3 is PWM output braking of the present utility model and drive circuit figure;
Fig. 4 is wire feeding motor power supply circuits of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, be applicable to the wire feeding motor M governing system of pulse metal arc welding, comprise that one for transporting the wire feeding motor M of welding wire, wire feeding motor M connects power supply source, and power supply source adopts transformer to carry out to industrial 380V voltage the DC power supply producing after pressure drop rectification.Also comprise that one for adjusting the alignment circuit of wire feeding motor M rotating speed, alignment circuit comprises that one for exporting the speed regulator ASR that controls voltage, the output of speed regulator ASR connects a converters UPE, the output of converters UPE connects wire feeding motor M, and the power input of converters UPE connects power supply source.In the utility model when work,, the control voltage being generated by alignment circuit export to converters UPE controls, make converters UPE export can drive motors voltage, realization regulates the object of wire feeding motor M rotating speed by alignment circuit.
Also comprise a speed feedback circuit for detection of motor speed, speed feedback circuit comprises that an optical code disk Encoder for detection of production burst signal after motor speed and presses modular converter F/V for pulse signal being converted to the frequency of voltage, optical code disk Encoder is connected by shaft coupling with the rotating shaft of wire feeding motor M, the signal output part of optical code disk Encoder connects the input of pressing modular converter F/V frequently, presses the signal output part of modular converter F/V to connect alignment circuit frequently.During the utility model work, wire feeding motor M makes optical code disk Encoder produce interlock while rotating, optical code disk Encoder produces the pulse signal of corresponding motor speed, and it is sent to and presses modular converter F/V frequently, after frequently pressing modular converter F/V that pulse signal is changed into corresponding voltage, send alignment circuit to, so that alignment circuit generates for controlling the control voltage of motor speed according to the voltage after this conversion.Also comprise a Chip Microcomputer A for generation of given rotating speed voltage, Chip Microcomputer A connects alignment circuit, to transmit given speed voltage to alignment circuit, is convenient to alignment circuit and carries out generating deviation voltage after voltage ratio.Alignment circuit comprises a rotating speed processing module, rotating speed processing module comprises a rotating speed comparison circuit CP1 and an integrating amplification circuit PI1, the output of rotating speed comparison circuit CP1 connects integrating amplification circuit PI1, the output of integrating amplification circuit PI1 connects speed regulator ASR, the signal output part of speed feedback circuit is connected respectively rotating speed comparison circuit CP1 with the signal output part of Chip Microcomputer A, so that voltage and given speed voltage that the real-time rotate speed of wire feeding motor M is corresponding compare rear generation rotating speed deviation voltage, integration amplifying element PI1 amplifies rotating speed deviation voltage and sends speed regulator ASR to, by speed regulator ASR, generate and control voltage, and control the output of Control of Voltage converters UPE by this.
The utility model, by speed feedback circuit is set, coordinates the corresponding part in alignment circuit that the rotating speed of wire feeding motor M is detected and adjusted, and makes it remain stable.When the load of wire feeding motor M increases, corresponding motor speed can reduce, rotating speed after reduction generates control voltage after being fed back to alignment circuit by speed feedback circuit, and the voltage of controlling after converters UPE output is adjusted is stablized the rotating speed of wire feeding motor M.
With reference to Fig. 1, Fig. 2, frequently press modular converter F/V to comprise an XR4151D integrated circuit, the signal output part of optical code disk Encoder connects the 6th pin of XR4151D, No. 1 pin of XR4151D connects an operation amplifier circuit, the pulse signal that grating records is given XR4151D after photoelectricity isolation, XR4151D is converted to analog current signal by pulse signal, from its No. 1 pin output, after operation amplifier circuit conversion, becomes analog voltage signal Vout.
With reference to Fig. 1, the current feedback circuit that also comprises armature supply in a detection wire feeding motor M, current feedback circuit comprises a Hall current sensor Sensor, Hall current sensor Sensor is arranged between converters UPE and wire feeding motor M, so that the armature supply of Real-Time Monitoring wire feeding motor M, the signal output part of Hall current sensor Sensor connects alignment circuit.During the utility model work, the armature supply of Hall current sensor Sensor Real-Time Monitoring wire feeding motor M also to the alignment circuit of sending, so that alignment circuit generates for controlling the control voltage of motor speed according to the armature supply of feedback.
Also comprise a single-chip microcomputer B for generation of given armature supply, single-chip microcomputer B connects alignment circuit, to transmit given armature supply to alignment circuit, is convenient to alignment circuit and carries out generating deviation electric current after current ratio.Alignment circuit comprises armature supply processing module, armature supply processing module comprises a current comparison circuit CP2 and an integrating amplification circuit PI2, the output of the signal output part of current feedback circuit and single-chip microcomputer B is connected with current comparison circuit CP2 respectively, to the armature supply of wire feeding motor M and given electric current are compared and generate deviation electric current, and send speed regulator ASR to after it being amplified by integrating amplification circuit PI2, by speed regulator ASR, generating control voltage controls converters UPE, make the voltage after its output is adjusted, to make the rotating speed of wire feeding motor M be adjusted and stablize.
The utility model is by arranging current feedback circuit, coordinate alignment circuit to carry out Real-Time Monitoring to the armature supply of wire feeding motor M, when increasing, wire feeding motor M load can cause that armature supply increases, now, the electric current increasing is gathered post processing by alignment circuit and becomes to control voltage, this control voltage is used to converters UPE to control and make its output adjust voltage, to the rotating speed of wire feeding motor M is remained unchanged substantially.
With reference to Fig. 3, alignment circuit comprises an integrated circuit TL494 for pulsewidth modulation, one 4 nor gate ICs 2, one electronic switch 4053, No. 1 pin of integrated circuit TL494 connects the output of speed feedback circuit, No. 16 pins of integrated circuit TL494 connect the output of current feedback circuit, No. 2 pins of integrated circuit TL494 connect given rotating speed voltage generator, No. 15 pin input current threshold values of integrated circuit TL494, through capacitor C 2, resistance R 3, the PI2 computing that resistance R 5 forms, No. 3 pins by integrated circuit TL494 are exported, No. 5 pins and No. 6 pins of integrated circuit TL494 form saw-toothed wave generator, produce sawtooth voltage signal, frequency is 1.2kHz, and relatively export with the output voltage of No. 3 pins of integrated circuit TL494, change the dutycycle of pwm signal, after the internal arithmetic of integrated circuit TL494, by its No. 8 pins and No. 11 pins, exported, thereby realize the rotational speed regulation to wire feeding motor, the Z-COM end of No. 11 pin connecting electronic switches 4053 of integrated circuit TL494, No. 8 pins of integrated circuit TL494 connect the A1 end of 4 nor gate ICs 2, the A of electronic switch 4053, B, C end are arc welding gun switch signal end, the Y-COM end of electronic switch 4053 is drawn rear connection one triode Q4, the colelctor electrode of triode Q4 produces wire feeding motor brake signal, the 1Z end of electronic switch 4053 connects a triode Q3, and the collector terminal of triode Q3 produces wire feeding motor and drives signal.
In the utility model, when No. 8 pins of integrated circuit TL494 are high level, the A1 of IC 2 end is high level, high voltage gives capacitor C 10 chargings by resistance R 35, during charging voltage is lower than 6V, the B1 of IC 2 is low levels, and X1 exports high level.At X1, be between high period, the Z-COM of electronic switch 4053 and Y-COM output high-impedance state.Now triode Q4 closes, output wire feeding motor brake signal, and triode Q3 conducting, closes wire feeding motor and drives signal, and wire feeding motor is in on-position.When in charging voltage during higher than 6V, the X1 output low level of IC 2, X2 becomes high level, electronic switch 4053 normal operations, Y-COM and 1Y connect, triode Q4 conducting, wire feeding motor brake signal is closed.Z-COM and 1Z connect, triode Q3 conducting, and wire feeding motor drives signal at stop.When No. 8 pins of integrated circuit TL494 are low level, the X1 output low level of IC 2, X2 exports high level, triode Q4 conducting, wire feeding motor brake signal is closed.The 11 pin output low levels of integrated circuit L494, from the 1Z of electronic switch 4053 to Z-COM, wire feeding motor starts wire feed.
With reference to Fig. 4, the power supply circuits of wire feeding motor M comprise metal-oxide-semiconductor Q1, Q2, be respectively used to open and stop wire feeding motor, also comprise piezo-resistance ZNR1, ZNR2, ZNR3 for absorbing circuit abnormal overvoltage, wherein piezo-resistance ZNR1 is connected in parallel on wire feeding motor M; One end of piezo-resistance ZNR2 is connected to the positive source access point of wire feeding motor M, other end ground connection; One end of piezo-resistance ZNR3 is connected to the power cathode access point of wire feeding motor M, other end ground connection.Metal-oxide-semiconductor Q1 is serially connected with in the current supply circuit of wire feeding motor M, and metal-oxide-semiconductor Q2 is connected in parallel on wire feeding motor M.The colelctor electrode of the control end connecting triode Q3 of metal-oxide-semiconductor Q1, the colelctor electrode of the control end connecting triode Q4 of metal-oxide-semiconductor Q2, so that the control operation that wire feeding motor is started and stopped by control circuit.Alignment circuit output two-way pwm signal is controlled, and the dutycycle that changes PWM1 just can realize the speed governing of wire feeding motor.When wire feeding motor need to be braked, conducting metal-oxide-semiconductor Q2, in order to improve the control accuracy of wire feeding motor rotating speed, adopt each control cycle to brake, the rotating speed of the wire feeding motor in each control cycle is changed in a big way, thereby guarantee to carry out rotational speed regulation in each control cycle, avoid the hypervelocity or the low speed phenomenon that in the multicycle, after error accumulation, cause.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. be applicable to the wire feeding motor governing system of pulse metal arc welding, comprise that one for transporting the wire feeding motor of welding wire, described wire feeding motor connects power supply source, it is characterized in that, also comprises that one for adjusting the alignment circuit of wire feeding motor rotating speed;
Described alignment circuit comprises that one for exporting the speed regulator of controlling voltage, and the output of described speed regulator connects a converters, and the output of described converters connects described wire feeding motor;
The power input of described converters connects described power supply source.
2. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 1, is characterized in that, also comprises a speed feedback circuit for detection of motor speed, and the signal output part of described speed feedback circuit connects described alignment circuit;
Described speed feedback circuit comprises that an optical code disk for detection of production burst signal after motor speed and is for converting pulse signal to the frequency pressure modular converter of voltage, described optical code disk is connected by shaft coupling with the rotating shaft of described wire feeding motor, the signal output part of described optical code disk connects the input that described frequency is pressed modular converter, and described frequency presses the signal output part of modular converter to connect described alignment circuit.
3. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 2, it is characterized in that, described frequency presses modular converter to comprise an XR4151D integrated circuit, the signal output part of optical code disk connects the 6th pin of XR4151D, No. 1 pin of XR4151D connects an operation amplifier circuit, the pulse signal that grating records is given XR4151D after photoelectricity isolation, XR4151D is converted to analog current signal by pulse signal, from its No. 1 pin output, after operation amplifier circuit conversion, become analog voltage signal.
4. according to the wire feeding motor governing system that is applicable to pulse metal arc welding described in claim 1,2 or 3, it is characterized in that, the current feedback circuit that also comprises armature supply in the described wire feeding motor of a detection, the signal output part of described current feedback circuit connects described alignment circuit;
Described current feedback circuit comprises a current detection module, and described current detection module is arranged between described converters and described wire feeding motor;
The signal output part of described current detection module connects described alignment circuit.
5. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 4, is characterized in that, described current detection module adopts a Hall current sensor.
6. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 2, it is characterized in that, also comprise a given rotating speed voltage generator for generation of given rotating speed voltage, described given rotating speed voltage generator connects described alignment circuit;
Described alignment circuit comprises a rotating speed processing module, and for the feedback signal of speed feedback circuit and given rotating speed voltage are compared to rear generation deviation voltage and amplify, described rotating speed processing module connects described speed regulator;
Described rotating speed processing module comprises a rotating speed comparison circuit and an integrating amplification circuit PI1, and the output of described rotating speed comparison circuit connects described integrating amplification circuit PI1, and the output of described integrating amplification circuit PI1 connects described speed regulator;
The signal output part of the signal output part of described speed feedback circuit and described given rotating speed voltage generator is connected respectively described rotating speed comparison module.
7. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 4, it is characterized in that, also comprise a given armature supply maker for generation of given armature supply, described given armature supply maker connects described alignment circuit;
Described alignment circuit comprises armature supply processing module, and for the feedback signal of current feedback circuit and given armature supply are compared to rear generation deviation electric current and amplify, described armature supply processing module connects described speed regulator;
Described armature supply processing module comprises a current comparison circuit and an integrating amplification circuit PI2, and the output of the signal output part of described current feedback circuit and given armature supply maker is connected with described current comparison circuit respectively.
8. the wire feeding motor governing system that is applicable to pulse metal arc welding according to claim 1, is characterized in that, described power supply source adopts transformer to carry out to industrial 380V voltage the DC power supply producing after pressure drop rectification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524246.XU CN203448851U (en) | 2013-08-26 | 2013-08-26 | Wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524246.XU CN203448851U (en) | 2013-08-26 | 2013-08-26 | Wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding |
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| CN203448851U true CN203448851U (en) | 2014-02-26 |
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| CN201320524246.XU Expired - Fee Related CN203448851U (en) | 2013-08-26 | 2013-08-26 | Wire feeding motor speed regulating system suitable for pulse consumable electrode arc welding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425046A (en) * | 2016-11-29 | 2017-02-22 | 山东奥太电气有限公司 | Speed synchronization control method and device for gas metal arc welding double motor wire feeding system |
| CN110640269A (en) * | 2018-06-26 | 2020-01-03 | 依赛彼集团公司 | Push-pull wire feeding control system |
-
2013
- 2013-08-26 CN CN201320524246.XU patent/CN203448851U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425046A (en) * | 2016-11-29 | 2017-02-22 | 山东奥太电气有限公司 | Speed synchronization control method and device for gas metal arc welding double motor wire feeding system |
| CN106425046B (en) * | 2016-11-29 | 2018-11-27 | 山东奥太电气有限公司 | The speed synchronizing control method and device of consumable electrode gas shield welding bi-motor wire feed system |
| CN110640269A (en) * | 2018-06-26 | 2020-01-03 | 依赛彼集团公司 | Push-pull wire feeding control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150928 Address after: 201499, -121, No. 111, ye Zhuang Road, Shanghai, Fengxian District Patentee after: Shanghai Dongsheng Welding Group Co.,Ltd. Patentee after: SHANGHAI GUDING ROBOT TECHNOLOGY Co.,Ltd. Patentee after: SHANGHAI DONSUN WELDING GROUP INFORMATION TECHNOLOGY Co.,Ltd. Address before: 201499, -121, No. 111, ye Zhuang Road, Shanghai, Fengxian District Patentee before: Shanghai Dongsheng Welding Group Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170612 Address after: 201499, -121, No. 111, ye Zhuang Road, Shanghai, Fengxian District Co-patentee after: SHANGHAI SHANLUWU ENTERPRISE DEVELOPMENT CO.,LTD. Patentee after: Shanghai Dongsheng Welding Group Co.,Ltd. Co-patentee after: SHANGHAI GUDING ROBOT TECHNOLOGY Co.,Ltd. Co-patentee after: SHANGHAI DONSUN WELDING GROUP INFORMATION TECHNOLOGY Co.,Ltd. Address before: 201499, -121, No. 111, ye Zhuang Road, Shanghai, Fengxian District Co-patentee before: SHANGHAI GUDING ROBOT TECHNOLOGY Co.,Ltd. Patentee before: Shanghai Dongsheng Welding Group Co.,Ltd. Co-patentee before: SHANGHAI DONSUN WELDING GROUP INFORMATION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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