CN101780587A - Gas-shielded arc welding apparatus - Google Patents
Gas-shielded arc welding apparatus Download PDFInfo
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- CN101780587A CN101780587A CN200910253281A CN200910253281A CN101780587A CN 101780587 A CN101780587 A CN 101780587A CN 200910253281 A CN200910253281 A CN 200910253281A CN 200910253281 A CN200910253281 A CN 200910253281A CN 101780587 A CN101780587 A CN 101780587A
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Abstract
A gas-shielded arc welding apparatus generates electric arc between the welding wire loaded from the welding torch and the welded object, and performs gas-shielded arc welding to the welded object. A moving distance measuring member is provided on the welding torch, for measuring the moving distance of the welding torch in the weld line direction. A weld line energy calculation part calculates the traveling speed based on the moving distance and calculates the weld line energy at every moment based on the traveling speed combined with the welding voltage and the welding current. A weld line energy display part displays the calculated weld line energy at every moment. Therefore, the manager can appropriately monitor whether the welding management standard is complied.
Description
Technical field
The present invention relates between welding wire of sending by welding torch and soldered thing, to make electric arc to take place and described soldered thing is carried out the device of gas shielded arc welding, particularly relate to the gas-shielded arc welding apparatus of real-time demonstration weld heat input etc.
Background technology
At building field, particularly after the refreshing light road violent earthquake of slope, in order to improve, guarantee the shock resistance of building, technical countermeasure has obtained various researchs and has been practical.Yet on the other hand, guarantee that exceedingly the result of cost competitiveness is, camouflage has taken place and problem such as fabricated.No exception in the arc welding operation of such problem when making reinforcing bar.
In order to ensure the performance of the mechanism of weld part, not only the chemical composition of steel and welding material is very important, and is also very important as the management of the weld heat input of the constructed variable of cooling velocity and interlayer temperature (temperature when electric arc begins).
Recording and narrating in No. 3199656, Japan Patent has a kind of welding material and heat treated method for welding bonding wires of relating to, and it is for mild steel or 490 (N/mm
2) high tension steel of level is suitable for when carrying out shield carbon-dioxide arc welding.
In addition, recording and narrating in No. 3352920, Japan Patent has a kind of high efficiency gas-shielded arc welding method, and it relates to for mild steel or 490 (N/mm
2) high tension steel of level carries out the gas-shielded arc welding method of shield carbon-dioxide arc welding, as the welding procedure method, not only relates to heat input, but also adds interlayer temperature, also has the cooling velocity of welding object thing in addition, thus the welding efficiency height.
In addition, in the explanation literary composition table 1 of JIS Z3312 " mild steel and high tension steel MAG welding solid core welding wire (version in 1999) ", recording and narrating has a kind of heat management standard, for example according to material, carry out the combination of the heat input interlayer temperature upper limit, be respectively 30kJ/cm250 ℃, 40kJ/cm350 ℃.
Heat input is big more or interlayer temperature is high more, and layer reduces, and weld interval is short more, and opposite with performance thus output improves.Therefore, for reinforcing bar manufacturing company or welding person, if be not used to guarantee the moral education of security and make it to observe, inferior reinforcing bar just might appear on the market.
Yet the situation of reality is to confirm, manage this policy for education and obtain in accordance with having difficulties.Mention reason and be because, heat input Q (J/cm) is by [electric current (A) * voltage (V) * 60/ speed of welding (cm/ branch)] parameters calculated, with respect to this, in existing welding machine, can only show electric current (A) and voltage (V), and speed of welding is held to get up also to have any problem in the semi-automatic welding of being undertaken by the people.
That is, in order to measure speed of welding, the length of instrumentation weld part in advance when measuring electric arc and taking place and the time in when end, in the time can only calculating with the time according to distance, be measured distance and time respectively, the input operation complexity.And as described in TOHKEMY 2003-71564 number, because the calculating of such speed of welding is after welding finishes, so insufficient as management method.
Beyond welding person, make an inspection tour by management supervision person separately, confirm whether observe the heat management project, and also be difficult to then and there judge.For welding person,,, only believe that also the oneself declares in addition owing to can't obtain evidence even require to submit management accounts to.
With respect to this, in beginning the robot welding of popularizing recently, welding current, voltage and speed of welding are programmed, and are considered to the credible equipment of manager, welding, and this popularizes to some extent it stimulates.
Yet the ratio of the semiautomatic welding connection of being undertaken by staff is still very high, still expects the method that can be easy to manage from gerentocratic angle.
Summary of the invention
The present invention does in view of such problem points; its purpose is; a kind of gas-shielded arc welding apparatus is provided; it does not need to use welding machine special equipment in addition; but by showing weld heat input or interlayer temperature in addition in real time; and subsidiary memory function, thereby can monitor whether the welding administrative standard is observed.
Gas-shielded arc welding apparatus of the present invention, be that electric arc is taken place, described soldered thing is carried out the device of gas shielded arc welding, wherein, have: moving distance measuring member, it is arranged on the described welding torch, measures the displacement of described welding torch on the sealing wire direction; Weld heat input calculation portion, it calculates translational speed according to this displacement, and calculates each weld heat input constantly according to described translational speed in conjunction with weldingvoltage and welding current; The weld heat input display part, it shows the weld heat input that each calculates constantly.
In this case, preferably has near the temperature-measuring member of the temperature the electric arc occurrence positions of measuring described soldered thing and show the temperature display part of the temperature of being measured.
In addition, described moving distance measuring member is an optical sensor, this optical sensor has the irradiation portion to described soldered thing irradiating laser, with the test section that detects by described soldered thing laser light reflected, laser is for the incidence angle on the surface of described soldered thing, and preferably the vertical direction with respect to described surface is below 10 °.
In addition, preferably also have as follows: at least one the construction resume among near the temperature the storage part, the electric arc occurrence positions of the described soldered thing when its open and close moment, welding current, weldingvoltage, the translational speed of described welding torch, described weld heat input and electric arc of storing described electric arc begins; Efferent, it exports the construction resume that described storage part is stored.
In addition, preferably also has the voice output converter section that the weld heat input that will be calculated by described weld heat input calculation portion converts sound and output to.
According to the present invention, utilization is arranged at the moving distance measuring member of welding torch, can measure the displacement of the sealing wire direction of welding torch, calculate translational speed according to this displacement by time diffusion, cooperate with weldingvoltage and welding current and calculate weld heat input, can show weld heat input in real time.Therefore, can positively carry out the management of welding operation.In addition, if the weld heat input that shows is stored in storage part, then the welding operation operation can managed afterwards.So according to the present invention, the welding operator just is difficult to make false report, therefore can positively observe the heat management standard, and then can positively guarantee the quality of works.
Description of drawings
Fig. 1 is the skeleton diagram of the gas-shielded arc welding apparatus of explanation embodiments of the present invention.
Fig. 2 is the key diagram of the function of explanation actual time line energy demonstration.
Fig. 3 is the key diagram that the state of the vector that welds direct of travel is read in explanation.
The specific embodiment
The gas-shielded arc welding apparatus 100 of present embodiment as shown in Figure 1, has: welding torch 110; The source of welding current 120; Welding wire supply unit 130; Protective gas supply unit 140; Moving distance measuring member 510; Weld heat input calculation portion 520; Weld heat input display part 530; Voice output converter section 540.
The source of welding current 120 at welding torch 110 with as the steel plate 200 of soldered portion between supply capability.Welding wire supply unit 130 is supplied with welding wire continuously to welding torch 110.The quantity delivered of welding wire is regulated from the outside by remote control 210.
Protective gas supply unit 140 its formations have: tank body 142; Gas flow regulating valve 141; Tracheae 143 is supplied with from the protective gas of welding torch 110 ejections.Protective gas for example is CO
2Monomer gas or CO
2Mist with Ar gas.
Moving distance measuring member 510 is measured the displacement of the sealing wire direction of welding torch 110.Specifically, moving distance measuring member 510 for example can be made of optical sensor.This optical sensor has the irradiation portion 511 of steel plate 200 irradiating lasers and detects test section 512 by steel plate 200 laser light reflected.Irradiation portion 511 is that for example computer is with the optical illumination portion that optical mouse adopted, and mechanism is identical.Optical sensor amplifies the variation of the atomic sight on shone thing surface, obtains the plane moving distance information of moment.
On the other hand, as shown in Figure 2, be built in the traveling time determination part in the source of welding current 120, this welding torch 110 of instrumentation is the traveling time when mobile on described displacement.Then, the translational speed of the sealing wire direction of welding torch 110 is tried to achieve according to this displacement and this traveling time by the translational speed calculation portion that is built in the source of welding current 120.
Then, weld heat input calculation portion 520 calculates weld heat input by this translational speed, weldingvoltage, the source of welding current based on following formula 1.
[formula 1]
Weld heat input Q (J/cm)=[electric current (A) * voltage (V) * 60/ speed of welding (cm/ branch)
Weld heat input display part 530 constantly, promptly shows the weld heat input that is calculated in real time.The demonstration of weld heat input is shown by analogue instrument or digital instrument.Also have, also can show by analogue instrument or digital instrument two sides.
Voice output converter section 540 has: the sound converter section, and it converts the weld heat input that weld heat input calculates portion's 520 calculations to voice signal; Efferent, it will be exported to the outside by the weld heat input that the sound converter section converts voice signal to.Voice output converter section 540 and unlike weld heat input display part 530 (in real time) demonstration weld heat input constantly, but send sound at certain intervals.By voice output converter section 540, welding person need not watch weld heat input display part 530 just can confirm weld heat input constantly often, and the management of weld heat input becomes easy.
As shown in Figure 1, on welding torch 110, be provided with temperature-measuring member 310.Temperature-measuring member 310 is the radiation thermometer specifically, with the steel billet temperature in noncontact mode The real time measure electric arc nidus field.The steel billet temperature of being measured is simulated formula instrument or digital instrument and is shown in real time by the temperature display part of being located on the source of welding current 120 320.Also have, also can enough analogue instruments or digital instrument both sides demonstration.
Also have, weld heat input display part 530, temperature display part 320, sound conversion efferent 540 not only can be located at the welding machine main body, and can be located at for example be installed on feed apparatus, the current/voltage controller or independent device etc. any one.
On the source of welding current 120, be provided with the storage part 610 of storage construction resume.Objects stored for example has near the temperature the electric arc occurrence positions of translational speed, weld heat input, the steel plate when electric arc begins 200 of the open and close moment, welding current, weldingvoltage, the welding torch 110 of electric arc etc.
Next, the operation for the present embodiment of formation as above-mentioned describes.Displacement on the sealing wire direction of moving distance measuring member 510 mensuration welding torches 110.Welding torch 110 not only moves in the sealing wire direction, and carry out with sealing wire meet at right angles direction be called as teeter (weaving) or the swing (oscillating) work.Therefore as shown in Figure 3, the vector that moves with expression welding torch 110 is divided into sealing wire direction (Y) and vertical direction (X), the information calculations speed of the distance of utilization Y direction.Thus, welding operator or management can be according to welding current, the weldingvoltage real time monitoring weld heat inputs as conclusive key factor.
When as mouse, needing high sensitivity, though the method for the incidence angle of oblique light can reach high sensitivity, but under the situation of welding torch 110, from irradiation portion 511 to reflecting surface, be that steel plate has very long distance, therefore if incidence angle is big, then irradiation portion 511 is elongated with the distance of test section 512, physically is difficult to be installed on the welding torch 110.Yet, in the speed of welding in when welding is calculated, sensitivity is not carried so high necessity, so incidence angle also can be little.Therefore, the incidence angle specific requirement is advisable below 10 degree with respect to vertical direction.
Then, if confirm or the sound affirmation through showing, weld heat input soon surpasses permission to be gone up in limited time, while the operator can weld the counter-measure of taking to reduce immediately welding current or weldingvoltage.Just in case when surpassing allowed band, also can stop welding immediately, only this part be removed with gouge (gouging) or grinding machine (grinder) etc., and recover welding operation again.
On the other hand, in the present embodiment, measure and show near the temperature of electric arc occurrence positions of steel plate 200.So, measure steel billet temperature with temperature-measuring member 310 in the noncontact mode, be presented in real time on the temperature display part 320, therefore when having spatter etc. to adhere to, the mensuration face also can monitor steel billet temperature, with measure precision and worsen and maybe need to carry out spatter and remove the mensuration of utilizing contact tehermometer to carry out of the existing formula of operation and compare, need not complicated measurement operation.
In addition, be stored in the construction resume of storage part 610, i.e. weld heat input, translational speed, weldingvoltage, welding current can make it to output to the efferent 630 of PC etc. by cable 620.Also have, to the output intent of efferent 630, for example can enumerating, various methods such as USB storage, SD card, disk, CD, wireless connections replace cable 620.
So, according to the present invention,, also can confirm welding operation after a while even the manager does not directly come to the welding scene personally.Therefore, no matter when can follow the tracks of for the welding condition of welding position, reliability further improves.
Claims (5)
1. gas-shielded arc welding apparatus, it makes electric arc take place between welding wire of sending from welding torch and soldered thing, and described soldered thing is carried out gas shielded arc welding, it is characterized in that, comprising:
Moving distance measuring member, it is arranged on the described welding torch, measures the displacement of described welding torch on the sealing wire direction; Weld heat input calculation portion, it calculates translational speed according to this displacement, and calculates each weld heat input constantly according to described translational speed in conjunction with weldingvoltage and welding current; The weld heat input display part, it shows each weld heat input that calculates constantly.
2. gas-shielded arc welding apparatus according to claim 1 is characterized in that, comprises near the temperature-measuring member of the temperature the electric arc occurrence positions of measuring described soldered thing and shows the temperature display part of the temperature determined.
3. gas-shielded arc welding apparatus according to claim 1; it is characterized in that; described moving distance measuring member is an optical sensor; this optical sensor comprises the irradiation portion and the test section that detects by described soldered thing laser light reflected to described soldered thing irradiating laser; laser is to the incidence angle on the surface of described soldered thing, is below 10 ° with respect to the vertical direction on described surface.
4. gas-shielded arc welding apparatus according to claim 2, it is characterized in that, comprise: at least one resume of constructing of selecting among near the temperature the electric arc occurrence positions of storage part, its storage described soldered thing when open and close moment, welding current, weldingvoltage, the translational speed of described welding torch, described weld heat input and the electric arc of described electric arc begins; Efferent, it exports the construction resume of described storage portion stores.
5. gas-shielded arc welding apparatus according to claim 1 is characterized in that, comprises that also the weld heat input that will be calculated by described weld heat input calculation portion converts the voice output converter section of sound and output to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-005964 | 2009-01-14 | ||
| JP2009005964A JP5205290B2 (en) | 2009-01-14 | 2009-01-14 | Gas shield arc welding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101780587A true CN101780587A (en) | 2010-07-21 |
| CN101780587B CN101780587B (en) | 2015-08-26 |
Family
ID=42520794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910253281.0A Expired - Fee Related CN101780587B (en) | 2009-01-14 | 2009-12-11 | Gas-shielded arc welding apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5205290B2 (en) |
| CN (1) | CN101780587B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057179A (en) * | 2013-03-22 | 2014-09-24 | 株式会社大亨 | Power Supply Device For Electrical Arc Welding And Controlling Method Therefor |
| CN106735739A (en) * | 2016-12-30 | 2017-05-31 | 唐山松下产业机器有限公司 | Electric arc welds monitoring device and method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5134701B2 (en) | 2010-07-20 | 2013-01-30 | 日本特殊陶業株式会社 | Temperature sensor |
| FR2976833B1 (en) * | 2011-06-23 | 2013-07-26 | Air Liquide | ARC WELDING DEVICE AND METHOD USING TRIAXIAL ACCELEROMETER |
| CN104475930B (en) * | 2014-12-05 | 2017-05-31 | 江门市保值久机电有限公司 | A kind of gas-shielded welder without control board |
| JP2021137828A (en) * | 2020-03-03 | 2021-09-16 | 株式会社ダイヘン | Arc-welding apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6381221U (en) * | 1986-11-14 | 1988-05-28 | ||
| JPS63290686A (en) * | 1987-05-21 | 1988-11-28 | Toshiba Corp | Arc welding controller |
| JPH06242151A (en) * | 1993-02-18 | 1994-09-02 | Yokohama Rubber Co Ltd:The | Current value audio informing device and welding device |
| TW277013B (en) * | 1994-07-29 | 1996-06-01 | Hitachi Shipbuilding Eng Co | |
| JP3660328B2 (en) * | 2002-06-21 | 2005-06-15 | ファナック株式会社 | Laser processing machine |
| CN2858162Y (en) * | 2005-05-24 | 2007-01-17 | 上海电机学院 | Numerical control trace device for large-scale end-capping inner-wall stainless steel pile up welding |
-
2009
- 2009-01-14 JP JP2009005964A patent/JP5205290B2/en not_active Expired - Fee Related
- 2009-12-11 CN CN200910253281.0A patent/CN101780587B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057179A (en) * | 2013-03-22 | 2014-09-24 | 株式会社大亨 | Power Supply Device For Electrical Arc Welding And Controlling Method Therefor |
| CN106735739A (en) * | 2016-12-30 | 2017-05-31 | 唐山松下产业机器有限公司 | Electric arc welds monitoring device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5205290B2 (en) | 2013-06-05 |
| CN101780587B (en) | 2015-08-26 |
| JP2010162568A (en) | 2010-07-29 |
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Granted publication date: 20150826 Termination date: 20201211 |