CN109500474A - It is a kind of to guarantee that wire feed stablizes the method and apparatus for entering molten bath - Google Patents
It is a kind of to guarantee that wire feed stablizes the method and apparatus for entering molten bath Download PDFInfo
- Publication number
- CN109500474A CN109500474A CN201811512378.4A CN201811512378A CN109500474A CN 109500474 A CN109500474 A CN 109500474A CN 201811512378 A CN201811512378 A CN 201811512378A CN 109500474 A CN109500474 A CN 109500474A
- Authority
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- China
- Prior art keywords
- wire feed
- wire
- current signal
- feeding mouth
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0258—Electric supply or control circuits therefor
-
- 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
- B23K9/095—Monitoring or automatic control of welding parameters
-
- 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
-
- 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
- B23K9/32—Accessories
Abstract
It is a kind of to guarantee that wire feed stablizes the method and apparatus for entering molten bath, belong to non-melt pole filler wire welding field, including current signal detection system, wire feed rate feedback system, wire feed angle adjusting mechanism, computer control system, current signal detection system obtains the current signal between welding wire and welding workpiece, and by current signal real-time delivery to computer control system, wire feed rate feedback system obtains wire feed rate signal, and by wire feed rate signal real-time delivery to computer control system, computer control system is according to current signal, current signal gradient, relationship between 3 characteristics of wire feed rate signal is judged, utilize wire feed angle adjusting mechanism adjust automatically wire feeding mouth angle, guarantee that wire feeding head tip is bonded molten bath always.The configuration of the present invention is simple compared with prior art can be realized the automatic adjustment of wire feeding mouth angle, prevent spatter and welding head globular transfer form, guarantees the stability of welding process wire feed.
Description
Technical field
Stablize the method and apparatus for entering molten bath the present invention relates to a kind of guarantee wire feed, fills silk automatically suitable for non-melt pole
Welding technology field can guarantee that wire feed end is bonded with molten bath in welding process.
Background technique
During non-melt pole automatic filler wire welding, the distance of welding gun end to workpiece surface is generally difficult to keep permanent
It is fixed, there can be certain fluctuation.It is this fluctuation be due to workpiece machining error, workpiece movement, welding process thermal deformation etc. it is a variety of because
Caused by element.Generally, wire feeding mouth is integral with welding gun, and the fluctuation of welding gun end to workpiece surface distance can greatly influence
The stability of wire feed is embodied in wire feed end and is not bonded with weld pool surface, this, which will lead to generate in welding process, dripped greatly
It crosses, the harmful phenomenons such as spatter, alloying element scaling loss, influences welding process stability and weldquality.Current techniques are main
Start in terms of collateral security welding gun end to workpiece surface constant distance and solve wire feed instability problem, main method has electric arc arc voltage
Control method and laser tracking and controlling method etc..Although current techniques are able to solve the unstable problem of wire feed, but its there are bright
Inadequate: arc voltage tracking prosecutor subtraction unit apparent size is larger, and welding operating flexibility is restricted；Laser tracking and controlling method
System is more complex, using less on common automatic welding equipment；Since thermal deformation is locally present in workpiece, even if welding gun end is to work
Part constant distance, there is also be not bonded phenomenon with molten bath for welding head.
Summary of the invention
Technical problem solved by the present invention is in place of overcome the deficiencies in the prior art, provide a kind of guarantees wire feed stabilization into
Enter the method and apparatus in molten bath, this method is by determining that current signal gradient between wire feeding mouth and welding workpiece, real-time monitoring are sent
Silk angle guarantees that wire feed end is bonded always with molten bath, to overcome current techniques welding limited flexibility, common automatic welding
The disadvantages of equipment application is few, welding head is not bonded locally with weld pool surface.
The technical solution of the invention is as follows: a kind of to guarantee that wire feed stablizes the device for entering molten bath, including current signal inspection
Examining system, wire feed rate feedback system, wire feed angle adjusting mechanism, computer control system, in which:
Current signal detection system detects the current signal between wire feeding mouth and welding workpiece, current signal is transferred to
Computer control system；Wherein, DC signal is applied between wire feeding mouth and welding workpiece；
Wire feed rate feedback system, the wire feed rate of real-time detection wire feeding mouth, feeds back to computer control system；
Wire feed angle adjusting mechanism adjusts wire feeding mouth angle, adjusts the angle size by computer control system according to electric current
Signal, current signal gradient, wire feed rate signal are determined by setting model operation；
Computer control system receives current signal, wire feed rate real time value, according to external command Selecting operation mould
Current gradient is calculated in type, and then obtains control signal and send to wire feed angle adjusting mechanism, completes wire feeding mouth angle tune
It is whole.
The DC signal applied between the wire feeding mouth and workpiece is using DC power supply or commercial heater supply, electricity
Source voltage 220V ± 10V, 0~250A of current value.
The current signal detection system detects wire feeding mouth and Welder by Hall sensor or output port of power source
Current signal between part, as wire feed rate≤a mm/min, computer control system regulates and controls without wire feeding mouth angle.
The speed wire feed > a mm/min and electric current > b A and when current gradient <-c A/s, wire feed angular adjustment
Mechanism starting, it is every to adjust 1 d ° of wire feeding mouth angle increase until current gradient >=-c A/s.Described a=0.3, b=5, the c=
5, d=0.5.
5~45 ° of the angle of regulation range of the wire feed angle adjusting mechanism.
The wire feed angle adjusting mechanism includes arc-shaped rack 3, band gear micromotor 4, fixed bracket 5, connection
Device 6,3 one end of arc-shaped rack are connect with wire feeding mouth, and the other end is connect with fixed 5 shaft of bracket, are fixed 5 one end of bracket and are sent
Silk mouth shaft connection, the other end are connect with attachment device 6, and attachment device 6 is connect with welding gun 7, and band gear micromotor 4 is fixed on
On fixed bracket 5, it is able to drive fixing axle of the arc-shaped rack 3 on fixed bracket 5 and circumferentially slides.
A method of guaranteeing that wire feed is stablized and enter molten bath, includes the following steps:
(1) DC power supply is installed between wire feeding mouth and welding workpiece or uses commercial heater supply, at wire feeding mouth position
Wire feed angle adjusting mechanism is installed, is transferred to calculating after acquiring current signal in real time by Hall sensor or output port of power source
Machine control system；
(2) real-time detection welds wire feed rate, send to computer control system；
(3) current signal gradient is determined by setting model operation according to current signal, wire feed rate, and then obtains control letter
Number to wire feed angle adjusting mechanism；
(4) wire feeding mouth angle is adjusted using wire feed angle adjusting mechanism according to control signal.
Compared with the prior art, the invention has the advantages that:
(1) the method for the present invention and device judge wire feed end using the current signal gradient between wire feeding mouth and workpiece and melt
The fitting situation in pond, and auto-control is carried out, control system is simple, and control device size is small, greatly increases the spirit of welding operation
Activity, convenient for being applied on common automatic welding equipment；
(2) technical method of the invention is welded especially suitable for heated filament, need to only increase wire feed angle adjusting mechanism and control
The automatic adjustment of wire feed angle can be realized in system；
(3) present invention use closed loop feedback control, can real-time ensuring wire feed end be bonded with molten bath, improve weld surely
Qualitative and welding quality.
Detailed description of the invention
Fig. 1 is that the present invention guarantees that welding wire stablizes the Row control schematic diagram for entering molten bath method；
Fig. 2 is that the present invention guarantees that welding wire stablizes the silk angle adjusting mechanism schematic diagram sent into molten bath.
Specific embodiment
In place of overcome the deficiencies in the prior art of the present invention, a kind of stable method and dress for entering molten bath of guarantee wire feed is provided
It sets, for this method by determining current signal gradient between wire feeding mouth and welding workpiece, real-time monitoring wire feed angle guarantees wire feed end
Head is bonded always with molten bath, to overcome current techniques welding limited flexibility, common automatic welding equipment is applied less, end of welding
The disadvantages of head is not bonded locally with weld pool surface, including the following steps:
(1) DC power supply is installed between wire feeding mouth and welding workpiece or using commercial heater supply, current signal passes through
Hall sensor or output port of power source are transferred to computer control system；
(2) the real-time wire feed rate of welding is obtained from wire-feed motor interface, wire feed rate signal is transferred to computer control system；
(3) wire feeding mouth position install wire feed angle adjusting mechanism, adjust the angle size by computer control system according to
Current signal, current signal gradient, wire feed rate are determined by setting model operation；
(4) computer control system includes display, set interface, receives real-time current signal, wire feed rate signal, can
Operational model is set, operational model calculates output signal and controls wire feed angle adjusting mechanism；
(5) current signal gradient between wire feeding mouth and welding workpiece can react wire feed end and be bonded journey between molten bath
Degree realizes the auto-control of wire feed angle using the principle.
In step (1) of the present invention, supply voltage 220V ± 10V, 0~250A of current value；In step (2), work as wire feed rate
When≤a mm/min, computer control system regulates and controls without wire feed angle；In step (3), wire feed angle adjusting mechanism is by small
Type, high-precision motor and arc gear wheel mechanism composition, 5~45 ° of wire feeding mouth angle of regulation range.In step (4), in computer control
Operational model major parameter is a, b, c, d in system processed, and specific value is obtained by system debug, preferably a=0.3, b=5, c
=5, d=0.5；In the step (4), as wire feed > a mm/min and electric current > b A and current gradient <-c A/s, control
System exports control signal to wire feed angle adjusting mechanism, starts regulatory function, it is every adjust 1 wire feeding mouth angle increase d ° until
Current gradient >=-c A/s.
As shown in Figure 1, the present invention guarantees that welding head is fitted closely with molten bath using closed-loop feedback control system, prevent from welding
Termination process is splashed and globular transfer.Row control principle: starting, and current signal passes to current signal detection system, wire feed speed
Degree signal passes to wire feed rate feedback system；Two kinds of signals are passed to computer control system by above-mentioned two system；Computer
Control system carries out the judgement of wire feed rate, current signal, current signal gradient according to setup algorithm model；As wire feed rate >
A mm/min and current signal > b A and when current signal gradient <-c A/s, control system is defeated to wire feed angle adjusting mechanism
Signal is controlled out, starts regulatory function, it is every to adjust 1 wire feeding mouth angle increase d ° of current signal gradient >=-c A/s.
As shown in Fig. 2, guaranteeing the wire feed angle adjusting mechanism that welding head and molten bath fit closely for the present invention.Wire feed angle
Regulating mechanism is spent by wire feeding mouth 1, welding wire 2, arc-shaped rack 3, band gear micromotor 4, fixed bracket 5,6 groups of attachment device
At.7 be welding gun in figure, and 8 be torch nozzle, and 9 be test plate (panel), and 10 be weld seam, and 11 be welding pool.Wire feeding mouth 1 and bracket 5 pass through can
The shaft connection being freely rotated.Arc-shaped rack 3 can circumferentially be slided along the fixing axle on fixed bracket 5.
Embodiment 1
(1) between wire feeding mouth and welding workpiece without DC power supply the case where, first wire feeding mouth and welding workpiece it
Between DC power supply is installed, supply voltage is 220V ± 10V, 0~250A of current range；If there is heat between wire feeding mouth and welding workpiece
The current signal between heater supply acquisition wire feeding mouth and welding workpiece can be used in silk power supply.
(2) real-time current signal is obtained from DC power output end mouth or using Hall sensor, by real-time current signal
It is transferred to computer control system；
(3) wire feed rate live signal is obtained from wire-feed motor output port, wire feed rate signal is transmitted out to computer
Control system；
(4) wire feed angle adjusting mechanism is installed on welding gun, wire feed angle adjusting mechanism is by wire feeding mouth 1, welding wire 2, circular arc
Shape rack gear 3, band gear micromotor 4, fixed bracket 5, attachment device 6 form.Band gear micromotor is by calculating control system
Control, 1 signal band gear micromotor of the every output of computer control system rotate clockwise d °.
(5) the stable dedicated control system software for entering molten bath of installation guarantee wire feed on industrial computer, debugging system,
Whether sensed current signal, current signal gradient, wire feed signal are normal；Detecting and controlling system can normal control band gear it is miniature
Motor 4.
(6) welding debugging is carried out, determines the value of computation model parameter a, b, c, d, preferably a=0.3, b=5, c=5, d
=0.5.After computation model parameter determines, system debug is finished；When subsequent welding, starting guarantees that wire feed is stablized and enters molten bath control
System can guarantee that welding head is bonded with molten bath.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (8)
1. a kind of guarantee that wire feed stablizes the device for entering molten bath, which is characterized in that including current signal detection system, wire feed rate
Feedback system, wire feed angle adjusting mechanism, computer control system, in which:
Current signal detection system detects the current signal between wire feeding mouth and welding workpiece, current signal is transferred to calculating
Machine control system；Wherein, DC signal is applied between wire feeding mouth and welding workpiece；
Wire feed rate feedback system, the wire feed rate of real-time detection wire feeding mouth, feeds back to computer control system；
Wire feed angle adjusting mechanism, adjust wire feeding mouth angle, adjust the angle size by computer control system according to current signal,
Current signal gradient, wire feed rate signal are determined by setting model operation；
Computer control system receives current signal, wire feed rate real time value, according to external command Selecting operation model, meter
Calculation obtains current gradient, and then obtains control signal and send to wire feed angle adjusting mechanism, completes the adjustment of wire feeding mouth angle.
2. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 1, it is characterised in that: the wire feed
The DC signal applied between mouth and workpiece is using DC power supply or commercial heater supply, supply voltage 220V ± 10V, electricity
0~250A of flow valuve.
3. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 1 or 2, it is characterised in that: described
Current signal detection system detects the electric current between wire feeding mouth and welding workpiece by Hall sensor or output port of power source and believes
Number, as wire feed rate≤a mm/min, computer control system regulates and controls without wire feeding mouth angle.
4. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 3, it is characterised in that: the speed
Wire feed > a mm/min and electric current > b A and when current gradient <-c A/s, the starting of wire feed angle adjusting mechanism is every to adjust 1 time
Wire feeding mouth angle increases d ° until current gradient >=-c A/s.
5. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 4, it is characterised in that: the a=
0.3, b=5, c=5, d=0.5.
6. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 5, it is characterised in that: wire feed angle tune
5~45 ° of angle of regulation range for saving mechanism.
7. a kind of device for guaranteeing wire feed and stablizing into molten bath according to claim 6, it is characterised in that: the wire feed
Angle adjusting mechanism includes arc-shaped rack 3, band gear micromotor 4, fixed bracket 5, attachment device 6, arc-shaped rack 3 one
End is connect with wire feeding mouth, and the other end is connect with fixed 5 shaft of bracket, and fixed 5 one end of bracket is connect with wire feeding mouth shaft, the other end
It is connect with attachment device 6, attachment device 6 is connect with welding gun 7, and band gear micromotor 4 is fixed on fixed bracket 5, being capable of band
Fixing axle of the dynamic arc-shaped rack 3 on fixed bracket 5 is circumferentially slided.
8. a kind of guarantee that wire feed stablizes the method for entering molten bath, it is characterised in that include the following steps:
(1) DC power supply is installed between wire feeding mouth and welding workpiece or using commercial heater supply, is installed at wire feeding mouth position
Wire feed angle adjusting mechanism is transferred to computer control after acquiring current signal in real time by Hall sensor or output port of power source
System processed；
(2) real-time detection welds wire feed rate, send to computer control system；
(3) current signal gradient is determined by setting model operation according to current signal, wire feed rate, and then obtains control signal extremely
Wire feed angle adjusting mechanism；
(4) wire feeding mouth angle is adjusted using wire feed angle adjusting mechanism according to control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512378.4A CN109500474B (en) | 2018-12-11 | 2018-12-11 | Method and device for ensuring stable wire feeding into molten pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512378.4A CN109500474B (en) | 2018-12-11 | 2018-12-11 | Method and device for ensuring stable wire feeding into molten pool |
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| Publication Number | Publication Date |
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| CN109500474A true CN109500474A (en) | 2019-03-22 |
| CN109500474B CN109500474B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811512378.4A Active CN109500474B (en) | 2018-12-11 | 2018-12-11 | Method and device for ensuring stable wire feeding into molten pool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475698A (en) * | 2020-10-14 | 2021-03-12 | 安徽科技学院 | Welding device for producing MOSFET device |
| CN113134665A (en) * | 2020-01-16 | 2021-07-20 | 天津大学 | Flux-cored wire TIG arc welding and additive manufacturing molten drop transition control method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780586A (en) * | 2010-03-22 | 2010-07-21 | 北京工业大学 | Multi-sensor feedback wire feed method |
| JP2015112632A (en) * | 2013-12-13 | 2015-06-22 | コアテック株式会社 | Welding apparatus |
| CN104942405A (en) * | 2015-07-09 | 2015-09-30 | 成都振中电气有限公司 | Gas tungsten arc welding capable of adjusting wire feed angle from multiple angles |
| US20170072495A1 (en) * | 2013-06-26 | 2017-03-16 | Lincoln Global, Inc. | System and method for hot wire arc steering |
| CN107042351A (en) * | 2017-04-18 | 2017-08-15 | 北京工业大学 | A kind of non-consumable gas shielded arc welding welding wire end position decision method |
| KR20180028977A (en) * | 2016-09-09 | 2018-03-19 | (주)홍진 | A welding wire feeder |
| CN108480823A (en) * | 2018-02-09 | 2018-09-04 | 中国东方电气集团有限公司 | A kind of long-range Quality Monitoring Control System for heating wire TIG automatic welding |
-
2018
- 2018-12-11 CN CN201811512378.4A patent/CN109500474B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780586A (en) * | 2010-03-22 | 2010-07-21 | 北京工业大学 | Multi-sensor feedback wire feed method |
| US20170072495A1 (en) * | 2013-06-26 | 2017-03-16 | Lincoln Global, Inc. | System and method for hot wire arc steering |
| JP2015112632A (en) * | 2013-12-13 | 2015-06-22 | コアテック株式会社 | Welding apparatus |
| CN104942405A (en) * | 2015-07-09 | 2015-09-30 | 成都振中电气有限公司 | Gas tungsten arc welding capable of adjusting wire feed angle from multiple angles |
| KR20180028977A (en) * | 2016-09-09 | 2018-03-19 | (주)홍진 | A welding wire feeder |
| CN107042351A (en) * | 2017-04-18 | 2017-08-15 | 北京工业大学 | A kind of non-consumable gas shielded arc welding welding wire end position decision method |
| CN108480823A (en) * | 2018-02-09 | 2018-09-04 | 中国东方电气集团有限公司 | A kind of long-range Quality Monitoring Control System for heating wire TIG automatic welding |
Non-Patent Citations (1)
| Title |
|---|
| 张文辉等: "一种用于TIG焊的脉动送丝***", 《焊接技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134665A (en) * | 2020-01-16 | 2021-07-20 | 天津大学 | Flux-cored wire TIG arc welding and additive manufacturing molten drop transition control method and device |
| CN112475698A (en) * | 2020-10-14 | 2021-03-12 | 安徽科技学院 | Welding device for producing MOSFET device |
| CN112475698B (en) * | 2020-10-14 | 2022-06-17 | 安徽科技学院 | Welding device for producing MOSFET device |
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