CN106001912A - Welding equipment - Google Patents
Welding equipment Download PDFInfo
- Publication number
- CN106001912A CN106001912A CN201610498117.6A CN201610498117A CN106001912A CN 106001912 A CN106001912 A CN 106001912A CN 201610498117 A CN201610498117 A CN 201610498117A CN 106001912 A CN106001912 A CN 106001912A
- Authority
- CN
- China
- Prior art keywords
- welding
- equipment
- temperature measuring
- temperature data
- welder
- 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
-
- 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
Abstract
The invention discloses welding equipment which comprises a welder device and a positioner, and further comprises a temperature measuring device, a pre-warning device and a control device, wherein the temperature measuring device is used for measuring practical temperature data of an un-molten area at the front end of a welding molten pool of a to-be-measured welded part; the pre-warning device is pre-stored with standard temperature data of the un-molten area at the front end of the welding molten pool of a welding joint under a through-welding state, and is in communication connection to the temperature measuring device for realizing incomplete-welding pre-warning according to comparison between the practical temperature data and the standard temperature data; and the control device is in communication connection to the temperature measuring device, the welder device and the positioner, and is used for regulating relative positions of the temperature measuring device, a welding gun of the welder device and a workbench, so that the temperature measuring device can monitor the practical temperature data of the front end of the welding molten pool of the to-be-measured welded part in real time while the welding gun is used for welding the to-be-welded part. During welding, the welding equipment can monitor whether the welding joint has incomplete welding defects or not, and timely regulates welding parameters, so that welding quality is guaranteed.
Description
Technical field
The present invention relates to welding technology field, particularly relate to a kind of welding equipment, it is possible in real time
Monitoring welding point incomplete penetration defect.
Background technology
Welding as a kind of basic technology method, be widely used in Aero-Space, naval vessel, bridge,
The industry such as machinery, metallurgy, the energy, petrochemical industry, building.Owing to welding process is often subject to
From the impact of various factors, therefore in weld seam the most inevitably crackle, pore,
Be mingled with, incomplete fusion, the defect such as lack of penetration.The most lack of penetration is most common and the most serious weldering
Connect one of defect.
GB 6,417 1986 " classification of metal molten welding line defect and explanation " to lack of penetration enter
Go definition: the lack of penetration phenomenon for the penetration completely of the root of joint when welding.
Incomplete penetration defect can produce following two problem: one, decreases the effective cross-section of weld seam
Long-pending, destroy welding point seriality, make the intensity of welding point decline；Its two, at weld seam
Lack of penetration wedge angle position easily produces stress and concentrates, and seriously reduces weld fatigue intensity, is allowed to
The probability becoming formation of crack increases, thus butt welded seam damages.
Therefore, for ensureing the product quality of welded unit, national regulation must butt welded seam quality enter
The effective detection of row, wherein the detection to incomplete penetration defect is particularly important.
At present, the detection method of incomplete penetration defect mostly is ray, ultrasonic, magnetic powder, infiltration, electricity
The Non-Destructive Testing modes such as magnetic, but these detection methods are all to carry out on the weldment welded,
It is to say, carry out after welding completes, so, if detecting and there is lack of penetration phenomenon, also
Need to again weld, which adds Financial cost and the time cost of welding.
In view of this, it would be highly desirable to design a kind of weldering that can monitor welding point incomplete penetration defect in real time
Connecing equipment, while welding, whether Welded Joints exists incomplete penetration defect is supervised in real time
Survey.
Summary of the invention
It is an object of the invention to provide a kind of welding equipment, this welding equipment can be same weld
Time, whether monitoring welding point exists incomplete penetration defect in real time, in order to adjust welding parameter in time,
Guarantee welding quality.
For solving above-mentioned technical problem, the present invention provides a kind of welding equipment, including welder device
And positioner, described positioner can adjust the position of workbench, and wherein, described workbench is used
In fixing weldment to be measured；Also include:
Temperature measuring equipment, is used for measuring in welding process, the welding pool front end of described weldment to be measured
The actual temperature data in unfused region；
Prior-warning device, its welding pool front end prestoring welding point under through welding state is unfused
The standard temperature data in region；Communicate to connect with described temperature measuring equipment, with according to described actual temperature
Degrees of data realizes lack of penetration early warning with the contrast of described standard temperature data；
Control device, itself and described temperature measuring equipment, described welder device and described positioner communication
Connect, for adjusting described temperature measuring equipment, the welding gun of described welder device and described workbench three
The relative position of person, so that while described weldment to be measured is welded by described welding gun, described thermometric
Device can monitor the actual temperature data of the welding pool front end of described weldment to be measured in real time.
Analyze discovery after deliberation, based on sweating heat effect and heat-conduction principle, the weldering of weldment to be measured
The Temperature Distribution connecing unfused region, front end, molten bath can reflect welded condition, so, can be with base
Temperature Distribution in unfused region, welding pool front end judges that welding point is the most lack of penetration.
The welding pool front end that this welding equipment obtains weldment to be measured in real time by temperature measuring equipment is unfused
The actual temperature data in region, acquired actual temperature data can be delivered to prior-warning device, with
The standard temperature number in unfused region, welding pool front end under the through welding state prestored in prior-warning device
According to comparing, lack of penetration early warning can be realized.Due in welding process, weldment to be measured
Welding pool can move, so this welding equipment is additionally provided with control device, is used for adjusting thermometric
The relative position of the workbench three of device, the welding gun of welder device and fixing weldment to be measured, with
Guarantee that temperature measuring equipment can real-time monitor the actual temperature data of welding pool front end.
As it has been described above, this welding equipment just can be to incomplete penetration defect in the welding process of weldment
Carry out early warning, if incomplete penetration defect occurs, then can adjust welding condition in time, with existing
Have after technology has been welded to detect again and compare, be greatly saved Financial cost and time cost.
Optionally, unfused region, described welding pool front end is in described welding pool front end,
The region at the edge 5～10mm away from described welding pool.
Optionally, unfused region, described welding pool front end is specially before described welding pool
End, one in the region at the edge 5～10mm of described welding pool is perpendicular to bead direction
Treat survey line.
Optionally, described temperature measuring equipment is specially infrared radiation thermometer.
Optionally, described welder device includes pulsating welder, welding protection gas, laser power supply
And welding gun；Described laser power supply provides energy and pulse for described welding gun；Described pulsating welder
For described welding protection gas is delivered to described welding gun.
Optionally, described welder device also includes bonding machine mechanical arm, and its end is for clamping described weldering
The mechanical tong of rifle；Described control device adjusts described weldering by controlling described bonding machine mechanical arm
The position of rifle.
Optionally, described bonding machine mechanical arm and described positioner are integrated in a welding robot.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of specific embodiment of welding equipment provided by the present invention；
Fig. 2 shows the thermometric area schematic of the temperature measuring equipment of welding equipment.
Wherein, the one-to-one relationship between the component names in Fig. 1 and Fig. 2 and reference
As follows:
Pulsating welder 11, laser power supply 12, welding protection gas 13, welding gun 14；
Bonding machine mechanical arm 20, positioner 30, infrared radiation thermometer 40, control device 50, early warning
Device 60；
Welding pool R, thermometric region C.
Detailed description of the invention
The core of the present invention is to provide a kind of welding equipment, and this welding equipment can be same weld
Time, whether monitoring welding point exists incomplete penetration defect in real time, in order to adjust welding parameter in time,
Guarantee welding quality.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings
The present invention is described in further detail with detailed description of the invention.
Refer to a kind of specific embodiment that Fig. 1, Fig. 1 are welding equipment provided by the present invention
Structural representation.
This welding equipment includes welder device and positioner 30；Positioner 30 can adjust work
The position of platform, wherein, workbench is used for fixing weldment to be measured.
Positioner 30 makes weldment to be measured be in optimum welding position by adjusting the position of workbench；
Be appreciated that according to actual needs, positioner 30 can control the lifting of workbench, revolution or
The actions such as inclination.
This welding equipment also includes:
Temperature measuring equipment, is used for measuring in welding process, and the welding pool front end of weldment to be measured is not melted
Change the actual temperature data in region；
Prior-warning device 60, its welding pool front end prestoring welding point under through welding state is not melted
Change the standard temperature data in region；This prior-warning device 60 communicates to connect with temperature measuring equipment, it is possible to connect
Receive the actual temperature data that temperature measuring equipment obtains, with according to actual temperature data and standard temperature number
According to contrast realize lack of penetration early warning；
Controlling device 50, it communicates to connect with temperature measuring equipment, welder device and positioner 30,
For adjusting temperature measuring equipment, the welding gun 14 of welder device and the relative position of workbench three, with
While making welding gun 14 weld weldment to be measured, temperature measuring equipment can monitor weldment to be measured in real time
The actual temperature data of welding pool front end.
Analyze discovery after deliberation, based on sweating heat effect and heat-conduction principle, the weldering of weldment to be measured
The Temperature Distribution connecing unfused region, front end, molten bath can reflect welded condition, so, can be with base
Temperature Distribution in unfused region, welding pool front end judges that welding point is the most lack of penetration,
Thus just incomplete penetration defect is carried out early warning in welding process, in order to adjust Welder in time
Skill parameter.
This welding equipment obtains the welding pool front end of weldment to be measured in real time by temperature measuring equipment
The actual temperature data in unfused region, acquired actual temperature data can be delivered to early warning dress
Put 60, with unfused region, welding pool front end under the through welding state that prestores in prior-warning device 60
Standard temperature data compare, lack of penetration early warning can be realized.Due in welding process,
The welding pool of weldment to be measured is mobile change, so this welding equipment is additionally provided with control dress
Put 50, be used for adjusting temperature measuring equipment, the welding gun 14 of welder device and the work of fixing weldment to be measured
The relative position of station three, to guarantee that temperature measuring equipment can real-time monitor welding pool front end
Actual temperature data.
As it has been described above, this welding equipment just can be to incomplete penetration defect in the welding process of weldment
Carry out early warning, if incomplete penetration defect occurs, then can adjust welding condition in time, with existing
Have after technology has been welded to detect again and compare, be greatly saved Financial cost and time cost.
Needing exist for explanation, welding pool refers to be fused into the mother metal portion of pond shape because of welding arc heat
Point, it will be understood that molten bath is the liquid metal with certain geometrical shape formed on weldment
Part；Wherein, welding pool front end refers to the front end of edge moving direction in molten bath in welding process.
Owing to, in welding process, the edge in molten bath changes with the change of weld interval, so,
Unfused region, welding pool front end is also as the change of weld interval and changes.Therefore,
In the program, control temperature measuring equipment, welding gun 14 and workbench three by controlling device 50
Relative position, to guarantee that temperature measuring equipment can real-time monitor the actual temperature of welding pool front end
Degrees of data.
From the foregoing, it will be observed that the temperature field of welding pool front end and time correlation, also with concrete point for measuring temperature
The distance at the edge away from welding pool is correlated with, or the concrete point for measuring temperature distance phase away from Weld pipe mill
Close.Therefore, the actual temperature data that temperature measuring equipment records should include corresponding to this temperature time
Between and the particular location of point for measuring temperature；For convenience of follow-up comparison, the time here can be at the beginning of with welding
Begin for zero point calculating, the particular location of point for measuring temperature can with point for measuring temperature away from welding pool edge away from
From for reference, it is also possible to the point for measuring temperature distance away from Weld pipe mill is reference.
The standard temperature data prestored in prior-warning device 60 the most also include with temperature value corresponding to
Time and position；In concrete scheme, standard temperature data by same welding condition and
When same weldment welds, the temperature number in unfused region, welding pool front end in the case of through welding
According to measurement obtain.
Refer to the thermometric area schematic that Fig. 2, Fig. 2 show the temperature measuring equipment of welding equipment.
In concrete scheme, unfused region, welding pool front end is in welding pool front end, away from
The region at welding pool edge 5～10mm.R in figure represents that welding pool, C represent actual
In thermometric region.
In order to make ratio to more accurate, specifically, welding pool front end can be chosen at, away from welding
In the region at the edge 5～10mm in molten bath one be perpendicular to bead direction treat survey line, as tool
The thermometric region of body.
In concrete scheme, temperature measuring equipment is infrared radiation thermometer 40, because infrared radiation thermometer 40 has
Have that response time is fast, noncontact and use the features such as safety, therefore be able to ensure that in welding process
The accuracy of thermometric and safety.Specifically, online infrared radiation thermometer 40 can be selected.
In concrete scheme, welder device includes pulsating welder 11, welding protection gas 13, laser
Device power supply 12 and welding gun 14；Wherein, laser power supply 12 provides energy and arteries and veins for welding gun 14
Punching, pulsating welder 11 is for being delivered to welding gun 14 by welding protection gas 13.
More specifically, welder device also includes bonding machine mechanical arm 20, this bonding machine mechanical arm 20
End is the mechanical tong of clamping welding gun 14, controls device 50 by controlling bonding machine mechanical arm 20
Adjust the position of welding gun 14.It is appreciated that the adjustment of welding gun 14 position is that it is relative in regulation
The position of weldment to be measured, in order to welding.
In concrete scheme, bonding machine mechanical arm 20 and the adjustment of welding gun 14 position can be adjusted
The positioner 30 of workbench is integrated in a welding robot, to facilitate control.
The work process of this welding equipment is as follows:
First pass through the welding of weldment consistent with weldment to be measured in the case of preliminary experiment obtains through welding
The Temperature Distribution in unfused region, front end, molten bath, is stored in prior-warning device 60 as standard temperature data
In；Should be appreciated that standard temperature data can also be obtained by simulation analysis.
Start again weldment to be measured is welded, in welding process, by controlling device 50
Control welding gun 14, between workbench and laser power supply 12, pulse welding etc. cooperate into
Row welding operation, meanwhile, makes it be directed at weldment to be measured weldering all the time by controlling infrared radiation thermometer 40
Connect the unfused region of front end, molten bath, measure the temperature data in this region, and by observed temperature number
According to transmission to prior-warning device 60, prior-warning device 60 is by observed temperature data and standard temperature
The contrast of data realizes lack of penetration early warning, thus adjusts welding parameter and guarantee the welding matter of weldment
Amount.
Specifically, prior-warning device 60 can be with on the same time point of comparison, the difference in region to be measured
The temperature of point for measuring temperature, if the standard temperature that the observed temperature of each point for measuring temperature respectively less than prestores, can sentence
Surely there is lack of penetration situation, if the observed temperature of each point for measuring temperature is all higher than or is equal to the mark prestored
Quasi-temperature, can determine that without lack of penetration situation, if the observed temperature of each point for measuring temperature have less than pre-
The standard temperature deposited, have is more than the standard temperature prestored, and can determine that welding exists other welding
Defect, can check further.
Wherein, each point for measuring temperature in region to be measured can be chosen according to actual needs.
Above a kind of welding equipment provided by the present invention is described in detail.Herein should
By specific case, principle and the embodiment of the present invention are set forth, above example
Method and the core concept thereof being only intended to help to understand the present invention is described.It should be pointed out that, for
For those skilled in the art, under the premise without departing from the principles of the invention, also
The present invention can be carried out some improvement and modification, these improve and modification also falls into present invention power
In the protection domain that profit requires.
Claims (7)
1. a welding equipment, including welder device and positioner (30), described positioner (30)
Can adjust the position of workbench, wherein, described workbench is used for fixing weldment to be measured；It is special
Levy and be, also include:
Temperature measuring equipment, is used for measuring in welding process, the welding pool front end of described weldment to be measured
The actual temperature data in unfused region；
Prior-warning device (60), it prestores the welding pool front end of welding point under through welding state
The standard temperature data in unfused region；Communicate to connect with described temperature measuring equipment, with according to described
Actual temperature data realizes lack of penetration early warning with the contrast of described standard temperature data；
Control device (50), itself and described temperature measuring equipment, described welder device and described displacement
Machine (30) communicates to connect, for adjusting the welding gun (14) of described temperature measuring equipment, described welder device
And the relative position of described workbench three, so that described welding gun (14) is to described weldment to be measured
While welding, before described temperature measuring equipment can monitor the welding pool of described weldment to be measured in real time
The actual temperature data of end.
Welding equipment the most according to claim 1, it is characterised in that described welding is melted
Unfused region, front end, pond is in described welding pool front end, edge 5 away from described welding pool～
(10) region of mm.
Welding equipment the most according to claim 2, it is characterised in that described welding is melted
Unfused region, front end, pond is specially in described welding pool front end, away from the limit of described welding pool
What in the region of edge 5～10mm was perpendicular to bead direction treats survey line.
Welding equipment the most according to claim 1, it is characterised in that described thermometric fills
Put specially infrared radiation thermometer (40).
Welding equipment the most according to claim 1, it is characterised in that described welding machine fills
Put and include pulsating welder (11), welding protection gas (13), laser power supply (12) and welding gun
(14)；Described laser power supply (12) is that described welding gun (14) provides energy and pulse；Institute
State pulsating welder (11) for described welding protection gas (13) is delivered to described welding gun (14).
Welding equipment the most according to claim 5, it is characterised in that described welding machine fills
Putting and also include bonding machine mechanical arm (20), its end is the mechanical tong clamping described welding gun (14)；
Described control device (50) adjusts described welding gun by controlling described bonding machine mechanical arm (20)
(14) position.
Welding equipment the most according to claim 6, it is characterised in that described bonding machine
Mechanical arm (20) and described positioner (30) are 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106001912A true CN106001912A (en) | 2016-10-12 |
| CN106001912B CN106001912B (en) | 2019-03-05 |
Family
ID=57105929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610498117.6A Active CN106001912B (en) | 2016-06-29 | 2016-06-29 | A kind of welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106001912B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115500019A (en) * | 2022-11-18 | 2022-12-20 | 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 |
| CN116105868A (en) * | 2023-04-13 | 2023-05-12 | 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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| 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 |
| CN115500019A (en) * | 2022-11-18 | 2022-12-20 | 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 |
| CN116105868A (en) * | 2023-04-13 | 2023-05-12 | 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 | Publication date |
|---|---|
| CN106001912B (en) | 2019-03-05 |
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