CN106001912B - A kind of welding equipment - Google Patents
A kind of welding equipment Download PDFInfo
- Publication number
- CN106001912B CN106001912B CN201610498117.6A CN201610498117A CN106001912B CN 106001912 B CN106001912 B CN 106001912B CN 201610498117 A CN201610498117 A CN 201610498117A CN 106001912 B CN106001912 B CN 106001912B
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- welding
- equipment
- temperature measuring
- weldment
- measuring equipment
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/034—Observing the temperature of the workpiece
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of welding equipments, including welder device and positioner；Further include: temperature measuring equipment, for measuring in welding process, the actual temperature data in the unfused region in welding pool front end of weldment to be measured；Prior-warning device prestores the normal temperature data in the unfused region in welding pool front end of welding point under through welding state；It is communicated to connect with temperature measuring equipment, to realize lack of penetration early warning according to the comparison of actual temperature data and normal temperature data；Control device, it is communicated to connect with temperature measuring equipment, welder device and positioner, for adjusting the welding gun of temperature measuring equipment, welder device and the relative position of workbench three, while so that welding gun welds weldment to be measured, temperature measuring equipment is capable of the actual temperature data of the welding pool front end of real-time monitoring weldment to be measured.The welding equipment can be in welding, and real-time monitoring welding point whether there is incomplete penetration defect, to adjust welding parameter in time, it is ensured that welding quality.
Description
Technical field
The present invention relates to welding technology field, more particularly to a kind of welding equipment, can real-time monitoring welding point not
Penetrate defect.
Background technique
Welding be used as a kind of basic technology method, be widely used in aerospace, naval vessel, bridge, machinery, metallurgy, the energy,
The industries such as petrochemical industry, building.Since welding process is often subject to the influence from various factors, sometimes can not in weld seam
Will appear with avoiding crackle, stomata, be mingled with, incomplete fusion, it is lack of penetration the defects of.Wherein lack of penetration is most common and most serious
One of welding defect.
GB 6417-1986 " classification of metal molten welding line defect and explanation " is defined to lack of penetration: lack of penetration
For welding when connector root not complete penetration the phenomenon that.
Incomplete penetration defect can lead to the problem of following two: first, reducing the effective sectional area of weld seam, destroying welding and connect
Head continuity, declines the intensity of welding point；It is concentrated second, being easy to produce stress at the lack of penetration wedge angle position of weld seam, seriously
Weld fatigue intensity is reduced, the probability for making formation of crack increases, to damage to weld seam.
It therefore, is the product quality for guaranteeing welded unit, national regulation must effectively detect weldquality,
In it is particularly important to the detection of incomplete penetration defect.
Currently, the detection method of incomplete penetration defect is mostly the non-destructive testings mode such as ray, ultrasound, magnetic powder, infiltration, electromagnetism,
But these detection methods are carried out on the weldment being welded, that is to say, that are carried out after the completion of welding, in this way, if inspection
It measures that there are lack of penetration phenomenons, also needs to weld again, which adds the economic cost of welding and time costs.
In view of this, it would be highly desirable to a kind of welding equipment for capableing of real-time monitoring welding point incomplete penetration defect is designed, with welding
While, Welded Joints carry out real-time monitoring with the presence or absence of incomplete penetration defect.
Summary of the invention
The object of the present invention is to provide a kind of welding equipment, which can be while welding, real-time monitoring weldering
Connector whether there is incomplete penetration defect, to adjust welding parameter in time, it is ensured that welding quality.
In order to solve the above technical problems, the present invention provides a kind of welding equipment, including welder device and positioner, the change
Median function enough adjusts the position of workbench, wherein the workbench is for fixing weldment to be measured；Further include:
Temperature measuring equipment, for measuring in welding process, the reality in the unfused region in welding pool front end of the weldment to be measured
Border temperature data；
Prior-warning device prestores the normal temperature in the unfused region in welding pool front end of welding point under through welding state
Data；It is communicated to connect with the temperature measuring equipment, with real according to the comparison of the actual temperature data and the normal temperature data
Existing lack of penetration early warning；
Control device is communicated to connect with the temperature measuring equipment, the welder device and the positioner, for adjusting
State the relative position of temperature measuring equipment, the welding gun of the welder device and the workbench three so that the welding gun to it is described to
While surveying weldment welding, the temperature measuring equipment is capable of the actual temperature of the welding pool front end of weldment to be measured described in real-time monitoring
Data.
Discovery is researched and analysed, it is unmelted based on welding heat effect and heat-conduction principle, the welding pool front end of weldment to be measured
The Temperature Distribution for changing region is able to reflect welded condition, so, it can be based on the temperature in the unfused region in welding pool front end point
Cloth judges whether welding point is lack of penetration.The welding equipment obtains the welding pool of weldment to be measured by temperature measuring equipment in real time
The actual temperature data in the unfused region in front end, acquired actual temperature data can transport to prior-warning device, with prior-warning device
In under the through welding state that prestores the normal temperature data in the unfused region in welding pool front end be compared, can be realized lack of penetration
Early warning.Since in welding process, the welding pool of weldment to be measured can be moved, so the welding equipment is additionally provided with control dress
It sets, for adjusting the relative position of the welding gun of temperature measuring equipment, welder device and the workbench three of fixed weldment to be measured, to ensure
Temperature measuring equipment can real-time monitor the actual temperature data of welding pool front end.
As described above, the welding equipment can carry out early warning to incomplete penetration defect in the welding process of weldment, if going out
Existing incomplete penetration defect, then can adjust welding condition in time, compared with detecting again after the completion of welding in the prior art, significantly
Economic cost and time cost are saved.
Optionally, the unfused region in welding pool front end is in the welding pool front end, away from the welding pool
5~10mm of edge region.
Optionally, the unfused region in welding pool front end is specially in the welding pool front end, away from the welding
One in the region of the 5~10mm of edge in molten bath is perpendicular to bead direction to survey line.
Optionally, the temperature measuring equipment is specially infrared radiation thermometer.
Optionally, the welder device includes pulsating welder, welding protection gas, laser power supply and welding gun；The laser
Device power supply provides energy and pulse for the welding gun；The pulsating welder is used to welding protection gas being delivered to the weldering
Rifle.
Optionally, the welder device further includes electroplating equipment wielding machine arm, and end is the mechanical clamp hand for clamping the welding gun；Institute
Control device is stated by controlling the electroplating equipment wielding machine arm to adjust the position of the welding gun.
Optionally, the electroplating equipment wielding machine arm and the positioner are integrated in a welding robot.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of welding equipment provided by the present invention；
Fig. 2 shows the thermometric area schematics of the temperature measuring equipment of welding equipment.
Wherein, the component names in Fig. 1 and Fig. 2 and the one-to-one relationship between appended drawing reference are as follows:
Pulsating welder 11, laser power supply 12, welding protection gas 13, welding gun 14；
Electroplating equipment wielding machine arm 20, positioner 30, infrared radiation thermometer 40, control device 50, prior-warning device 60；
Welding pool R, thermometric region C.
Specific embodiment
Core of the invention is to provide a kind of welding equipment, which can be while welding, real-time monitoring weldering
Connector whether there is incomplete penetration defect, to adjust welding parameter in time, it is ensured that welding quality.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of specific embodiment of welding equipment provided by the present invention.
The welding equipment includes welder device and positioner 30；Positioner 30 can adjust the position of workbench, wherein work
Make platform for fixing weldment to be measured.
Positioner 30 makes weldment to be measured be in optimum welding position by adjusting the position of workbench；It is appreciated that basis
Actual needs, positioner 30 can control the movement such as lifting, revolution or inclination of workbench.
The welding equipment further include:
Temperature measuring equipment, for measuring in welding process, the practical temperature in the unfused region in welding pool front end of weldment to be measured
Degree evidence；
Prior-warning device 60 prestores the standard temperature in the unfused region in welding pool front end of welding point under through welding state
Degree evidence；The prior-warning device 60 and temperature measuring equipment communicate to connect, and the actual temperature data of temperature measuring equipment acquisition can be received, with root
Lack of penetration early warning is realized according to the comparison of actual temperature data and normal temperature data；
Control device 50, with temperature measuring equipment, welder device and positioner 30 communicate to connect, for adjust temperature measuring equipment,
The welding gun 14 of welder device and the relative position of workbench three, while so that welding gun 14 welds weldment to be measured, thermometric dress
Set the actual temperature data for capableing of the welding pool front end of real-time monitoring weldment to be measured.
Discovery is researched and analysed, it is unmelted based on welding heat effect and heat-conduction principle, the welding pool front end of weldment to be measured
The Temperature Distribution for changing region is able to reflect welded condition, so, it can be based on the temperature in the unfused region in welding pool front end point
Whether cloth is lack of penetration to judge welding point, so that just early warning is carried out to incomplete penetration defect in the welding process, in order to timely
Adjust welding condition.
The welding equipment obtains the reality in the unfused region in welding pool front end of weldment to be measured by temperature measuring equipment in real time
Border temperature data, acquired actual temperature data can transport to prior-warning device 60, with the through welding shape prestored in prior-warning device 60
The normal temperature data in the unfused region in welding pool front end are compared under state, and lack of penetration early warning can be realized.Due to weldering
In termination process, the welding pool of weldment to be measured is mobile variation, so the welding equipment is additionally provided with control device 50, is used to
The relative position of the workbench three of temperature measuring equipment, the welding gun 14 of welder device and fixed weldment to be measured is adjusted, to ensure thermometric
Device can real-time monitor the actual temperature data of welding pool front end.
As described above, the welding equipment can carry out early warning to incomplete penetration defect in the welding process of weldment, if going out
Existing incomplete penetration defect, then can adjust welding condition in time, compared with detecting again after the completion of welding in the prior art, significantly
Economic cost and time cost are saved.
What needs to be explained here is that welding pool refers to the base material part for being fused into pond shape because of welding arc heat, it will be understood that molten
Pond is to be formed by the liquid metal part with certain geometrical shape on weldment；Wherein, welding pool front end refers to welding process
The front end of the edge moving direction in middle molten bath.
Since in welding process, the edge in molten bath changes with the variation of weld interval, so, welding pool front end is unmelted
Changing region is also the variation with weld interval and changes.Therefore, in the program, thermometric dress is controlled by control device 50
It sets, the relative position of welding gun 14 and workbench three, to ensure that temperature measuring equipment can real-time monitor the reality of welding pool front end
Border temperature data.
From the foregoing, it will be observed that temperature field and the time correlation of welding pool front end, the also side with specific temperature measuring point away from welding pool
The distance of edge is related, or specific distance of the temperature measuring point away from Weld pipe mill is related.Therefore, the actual temperature number that temperature measuring equipment measures
According to the specific location that should include time corresponding to the temperature and temperature measuring point；For convenience of subsequent comparison, time here can be with
Zero point is initially with welding to calculate, the specific location of temperature measuring point can the distance with temperature measuring point away from welding pool edge be reference,
Can also distance with temperature measuring point away from Weld pipe mill be reference.
The normal temperature data prestored in prior-warning device 60 also include and time corresponding to temperature value and position certainly；Tool
In the scheme of body, when normal temperature data are by welding same welding condition and same weldment, welded in the case of through welding
The measurement of the temperature data in the unfused region in molten bath front end obtains.
Referring to FIG. 2, Fig. 2 shows the thermometric area schematics of the temperature measuring equipment of welding equipment.
In specific scheme, the unfused region in welding pool front end be in welding pool front end, away from welding pool edge 5~
The region of 10mm.R in figure indicates that welding pool, C indicate thermometric region in practice.
In order to make than specifically, welding pool front end can be chosen to more accurately, the edge 5 away from welding pool~
In the region of 10mm one perpendicular to bead direction to survey line, as specific thermometric region.
In specific scheme, temperature measuring equipment is infrared radiation thermometer 40, is connect because infrared radiation thermometer 40 is fast, non-with the response time
It touches and uses the features such as safe, therefore can ensure the accuracy and safety of thermometric in the welding process.Specifically, it can choose
Online infrared radiation thermometer 40.
In specific scheme, welder device includes pulsating welder 11, welding protection gas 13, laser power supply 12 and welding gun
14；Wherein, laser power supply 12 is that welding gun 14 provides energy and pulse, and pulsating welder 11 is delivered to for that will weld protection gas 13
Welding gun 14.
More specifically, welder device further includes electroplating equipment wielding machine arm 20, the end of the electroplating equipment wielding machine arm 20 is clamping welding gun 14
Mechanical clamp hand, control device 50 adjusts the position of welding gun 14 by control electroplating equipment wielding machine arm 20.It is appreciated that welding gun 14
The adjustment set is the position for adjusting its weldment relatively to be measured, in order to weld.
In specific scheme, the positioner 30 of the electroplating equipment wielding machine arm 20 and adjustment workbench of 14 position of welding gun can will be adjusted
It is integrated in a welding robot, to facilitate control.
The course of work of the welding equipment is as follows:
It is obtained first by preliminary experiment unfused with the welding pool front end of the consistent weldment of weldment to be measured in the case of penetrating
The Temperature Distribution in region, as in normal temperature data deposit prior-warning device 60；It should be appreciated that normal temperature data can also lead to
Cross simulation analysis acquisition.
Start to weld weldment to be measured again, in the welding process, welding gun 14, workbench is controlled by control device 50
And the mutual cooperation between laser power supply 12, pulse welding etc. is subjected to, meanwhile, by controlling infrared radiation thermometer 40
So that it is directed at the unfused region of weldment welding pool to be measured front end always, measures the temperature data in this region, and will actual measurement temperature
Degree is realized not according to prior-warning device 60, prior-warning device 60 is transmitted to by the comparison to observed temperature data and normal temperature data
The early warning of through welding ensures the welding quality of weldment so as to adjust welding parameter.
Specifically, prior-warning device 60 can compare on same time point, the temperature of the different temperature measuring points in region to be measured, if respectively
The observed temperature of temperature measuring point is respectively less than the normal temperature that prestores, can determine that there is a situation where it is lack of penetration, if the actual measurement of each temperature measuring point
Temperature is all larger than or equal to the normal temperature prestored, can determine that without lack of penetration situation, if what the observed temperature of each temperature measuring point had
Less than the normal temperature prestored, some is greater than the normal temperature prestored, can determine that there are other welding defects for welding, can be further
It checks.
Wherein, each temperature measuring point in region to be measured can be chosen according to actual needs.
A kind of welding equipment provided by the present invention is described in detail above.Specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (6)
1. a kind of welding equipment, including welder device and positioner (30), the positioner (30) can adjust the position of workbench
It sets, wherein the workbench is for fixing weldment to be measured；It is characterized by further comprising:
Temperature measuring equipment, for measuring in welding process, the practical temperature in the unfused region in welding pool front end of the weldment to be measured
Degree evidence；
Prior-warning device (60) prestores the normal temperature in the unfused region in welding pool front end of welding point under through welding state
Data；It is communicated to connect with the temperature measuring equipment, with real according to the comparison of the actual temperature data and the normal temperature data
Existing lack of penetration early warning；
Control device (50) is communicated to connect with the temperature measuring equipment, the welder device and the positioner (30), for adjusting
The relative position of the whole temperature measuring equipment, the welding gun (14) of the welder device and the workbench three, so that the welding gun
(14) while welding to the weldment to be measured, the temperature measuring equipment can be before the welding pool of weldment to be measured described in real-time monitoring
The actual temperature data at end；
The unfused region in welding pool front end be in the welding pool front end, the edge 5 away from the welding pool~
The region of 10mm.
2. welding equipment according to claim 1, which is characterized in that the unfused region in welding pool front end is specially
In the welding pool front end, one away from the edge of the welding pool in the region of 5~10mm is perpendicular to bead direction
To survey line.
3. welding equipment according to claim 1, which is characterized in that the temperature measuring equipment is specially infrared radiation thermometer
(40)。
4. welding equipment according to claim 1, which is characterized in that the welder device includes pulsating welder (11), weldering
Connect protection gas (13), laser power supply (12) and welding gun (14)；The laser power supply (12) is that the welding gun (14) provide energy
Amount；The pulsating welder (11) is that the welding gun (14) provide pulse.
5. welding equipment according to claim 4, which is characterized in that the welder device further includes electroplating equipment wielding machine arm
(20), end is the mechanical clamp hand for clamping the welding gun (14)；The control device (50) is by controlling the electroplating equipment wielding machine
Arm (20) adjusts the positions of the welding gun (14).
6. welding equipment according to claim 5, which is characterized in that the electroplating equipment wielding machine arm (20) and the positioner
(30) it is integrated in a welding robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498117.6A CN106001912B (en) | 2016-06-29 | 2016-06-29 | A kind of welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610498117.6A CN106001912B (en) | 2016-06-29 | 2016-06-29 | A kind of welding equipment |
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| Publication Number | Publication Date |
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| CN106001912A CN106001912A (en) | 2016-10-12 |
| CN106001912B true CN106001912B (en) | 2019-03-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107755954A (en) * | 2017-10-31 | 2018-03-06 | 江阴市惠尔信机械有限公司 | A kind of stator segment case weld system of thermoelectric generator |
| CN111496429A (en) * | 2020-04-20 | 2020-08-07 | 唐山松下产业机器有限公司 | Welding system and welding data processing method |
| CN112059416A (en) * | 2020-08-13 | 2020-12-11 | 浙江摩多巴克斯科技股份有限公司 | Energy-saving double-station laser processing equipment with high speed, high precision and circumferential processing |
| CN115500019B (en) * | 2022-11-18 | 2023-03-24 | 苏州镭扬激光科技有限公司 | FPC board laser welding equipment |
| CN115890055A (en) * | 2023-02-15 | 2023-04-04 | 重庆交通大学 | Welding experiment frame and method for exploring association rule of molten pool and welding quality |
| CN116105868B (en) * | 2023-04-13 | 2023-06-20 | 江苏新恒基特种装备股份有限公司 | Hafu type medium-frequency rapid heating monitoring system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103028870A (en) * | 2012-12-11 | 2013-04-10 | 南京熊猫电子股份有限公司 | Welding robot system |
| CN103600155B (en) * | 2013-10-25 | 2015-04-22 | 上海工程技术大学 | Real-time monitoring device for welding robot welding process |
| CN104677500A (en) * | 2013-12-03 | 2015-06-03 | 徐州盛高矿山机械制造有限公司 | Equipment for monitoring laser melting pool in real time |
| CN104977305A (en) * | 2015-06-29 | 2015-10-14 | 华中科技大学 | Welding quality analysis device based on infrared vision and analysis method thereof |
| CN205254348U (en) * | 2015-12-03 | 2016-05-25 | 华中科技大学 | Laser welding real time on line monitoring system to complicated curved surface component |
| CN105458490A (en) * | 2015-12-30 | 2016-04-06 | 哈尔滨工业大学 | Real-time monitoring system and monitoring method for judging welding type of laser deep penetration welding by using high-speed camera |
| CN205798694U (en) * | 2016-06-29 | 2016-12-14 | 中车青岛四方机车车辆股份有限公司 | A kind of welding equipment |
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