CN201116976Y - On-line monitoring and technological parameter optimizing system for aluminum alloy fusion welding process - Google Patents
On-line monitoring and technological parameter optimizing system for aluminum alloy fusion welding process Download PDFInfo
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- CN201116976Y CN201116976Y CNU2007200806899U CN200720080689U CN201116976Y CN 201116976 Y CN201116976 Y CN 201116976Y CN U2007200806899 U CNU2007200806899 U CN U2007200806899U CN 200720080689 U CN200720080689 U CN 200720080689U CN 201116976 Y CN201116976 Y CN 201116976Y
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Abstract
The utility model discloses an optimized system of online monitoring and technological parameters in an aluminum alloy heat-seal welding process. A signal output end of a vision sensor is connected with a signal input end of an image acquisition card, the signal output end of the image acquisition card is connected with image information input end of an industrial control computer, an offset signal output end of the industrial control computer is connected with the signal input end of a step motor, a mechanical control end of the step motor and the mechanical control end of a welding gun adopt machinery to be fixedly connected, a welding parameter signal output end of the industrial control computer is connected with the signal input end of welding power source, and a power source output end of the welding power source is connected with an power source input end of the welding gun. In the aluminum alloy heat-seal welding process, the optimized system of the utility model can automatically and precisely control the position and the welding parameters of the welding gun after optimization according to concrete conditions, which not only can realize the welding process with high quality and can increase the welding quality prominently, but also realizes automatization, reduces the influence of man-made factors, and lowers the cost.
Description
Technical field
The utility model relates to a kind of on-line monitoring and parameters Optimization system of process of aluminium alloy fusion welding, belongs to aluminium alloy welding manufacture field.
Background technology
Aluminium alloy melting welding has obtained using widely in the Aeronautics and Astronautics production as a kind of high efficiency welding method.In aviation, in the production of space product, a small defective all may be brought a huge disaster, and in practical operation, the smoothness of aluminium sheet edge of materials to be welded, angle and the gap between them are not duplicate, all welded by identical welding parameter and welding torch position in the past, perhaps judge by technician's experience, welding parameters and welding torch position are suitably adjusted in welding process, welding quality can not obtain the essence change all the time like this, and efficient is lower, if do over again, not only waste time and energy, and can increase cost because of off quality.Also do not have a kind of effective equipment to address the above problem in front, comprise all reports of relevant solution also such as scientific paper, patent documentation.
Summary of the invention
The purpose of this utility model provides a kind of on-line monitoring and parameters Optimization system that can effectively improve the process of aluminium alloy fusion welding of welding quality with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
In the utility model, the signal output part of vision sensor is connected with the signal input part of image pick-up card, the signal output part of image pick-up card is connected with the image information input end of industrial computer, the offset signal output terminal of industrial computer is connected with the signal input part of stepper motor, the mechanical control end of stepper motor adopts mechanical fixation to be connected with the mechanical control end of welding gun, the welding parameter signal output terminal of industrial computer is connected with the signal input part of the source of welding current, and the power output end of the source of welding current is connected with the power input of welding gun.
In operating process, detect the groove physical dimension and the gap information of aluminium alloy to be welded and be translated into electric signal by the vision sensor online in real time, described electric signal is transferred to industrial computer after being converted into image information by image pick-up card.
Next, industrial computer at first carries out accurate Calculation to groove physical dimension in the image information and gap information, where should be in according to scheme accurate Calculation welding gun default in the knowledge base then, and output offset amount signal, Butt welding gun was realized the accurate control (generally speaking for accurately aiming at the centre position in space between the aluminium alloy plate) of its position after this offset signal was converted into mechanical motion through stepper motor (its mechanical motion realizes by crosshead shoe); Simultaneously, industrial computer is according to default welding parameter model, pre-set dimension and consistance thereof with appearance of weld are optimization aim, the online in real time welding parameter is optimized, and the welding parameter signal that comprises arc voltage, welding current and wire feed rate after the output optimization, this welding parameter signal transforms back Butt welding gun through source of welding current and realizes the accurate control of its welding parameter (being arc voltage, welding current and wire feed rate).
As optimal way of the present utility model, described vision sensor mainly comprises laser instrument and photoelectric commutator.System adopts real-time laser imaging measuring technique, has advantages such as rapid, accurate.
Described industrial computer also is connected with keyboard, mouse, display by data line.Can realize the man-machine communication like this, also be convenient to industrial computer in operational process, the instruction of sending according to the operator makes up the welding cell that comprises information such as processing parameter matching information, groove status information, defect characteristic information and statistic of attribute information, and described welding cell stored, in order to on-line parameter optimization and the quality of weld seam molding monitoring of supporting welding process, and form the process of important welding product and " can write down ", the managerial ability of " can review " of quality thereof.
The beneficial effects of the utility model are:
As from the foregoing because in process of aluminium alloy fusion welding, the utility model can be as the case may be automatically the position of Butt welding gun and welding parameter make accurate control after the optimization, so can realize the high quality welding process, improve welding quality greatly; Can realize robotization again, reduce artificial factor and reduce cost.
Description of drawings
Accompanying drawing is a system constructing block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described in detail:
As shown in drawings, the signal output part of vision sensor is connected with the signal input part of image pick-up card, the signal output part of image pick-up card is connected with the image information input end 2 of industrial computer, the offset signal output terminal 5 of industrial computer is connected with the signal input part of stepper motor, the mechanical control end of stepper motor adopts mechanical fixation to be connected with the mechanical control end of welding gun 8, the welding parameter signal output terminal 3 of industrial computer is connected with the signal input part of the source of welding current, the power output end of the source of welding current is connected with the power input of welding gun 6, and 1 is aluminium alloy plate.
Vision sensor mainly comprises laser instrument and photoelectric commutator (i.e. CCD among the figure).System adopts real-time laser imaging measuring technique, has advantages such as rapid, accurate.
Industrial computer also is connected with keyboard, mouse, display by data line.Can realize the man-machine communication like this, also be convenient to industrial computer in operational process, the instruction of sending according to the operator makes up the welding cell that comprises information such as processing parameter matching information, groove status information, defect characteristic information and statistic of attribute information, and described welding cell stored, in order to on-line parameter optimization and the quality of weld seam molding monitoring of supporting welding process, and form the process of important welding product and " can write down ", the managerial ability of " can review " of quality thereof.
In operating process, detect the groove physical dimension and the gap information between two aluminium alloy plates 1 to be welded at aluminium alloy plate to be welded 1 edge and be translated into electric signal by the vision sensor online in real time, described electric signal is converted into image information by image pick-up card, is transferred to the CPU of industrial computer then by the image information input end 2 of industrial computer.
Next, industrial computer CPU at first carries out accurate Calculation to groove physical dimension in the image information and gap information, where should be in according to scheme accurate Calculation welding gun default in the knowledge base then, and output offset amount signal, this offset signal is transferred to stepper motor through offset signal output terminal 5, after stepper motor is converted into mechanical motion (its mechanical motion realizes by crosshead shoe) with the signal of receiving, by realizing the accurate control of its position (generally speaking for accurately aiming at the centre position in space between the aluminium alloy plate 1) with the Butt welding gun that is connected of the mechanical control end 8 of welding gun; Simultaneously, industrial computer is according to default welding parameter model, pre-set dimension and consistance thereof with appearance of weld are optimization aim, the online in real time welding parameter is optimized, and the welding parameter signal that comprises arc voltage, welding current and wire feed rate after the output optimization, this welding parameter signal process welding parameter signal output terminal 3 is transferred to the signal input part of the source of welding current, and Butt welding gun was realized the accurate control of its welding parameter (being arc voltage, welding current and wire feed rate) after the source of welding current was translated into concrete electric weight numeral.
Claims (3)
1, a kind of on-line monitoring of process of aluminium alloy fusion welding and parameters Optimization system, it is characterized in that: the signal output part of vision sensor is connected with the signal input part of image pick-up card, the signal output part of image pick-up card is connected with the image information input end (2) of industrial computer, the offset signal output terminal (5) of industrial computer is connected with the signal input part of stepper motor, the mechanical control end of stepper motor adopts mechanical fixation to be connected with the mechanical control end (8) of welding gun, the welding parameter signal output terminal (3) of industrial computer is connected with the signal input part of the source of welding current, and the power output end of the source of welding current is connected with the power input of welding gun (6).
2, the on-line monitoring of process of aluminium alloy fusion welding according to claim 1 and parameters Optimization system, it is characterized in that: described vision sensor mainly comprises laser instrument and photoelectric commutator.
3, the on-line monitoring of process of aluminium alloy fusion welding according to claim 1 and parameters Optimization system is characterized in that: described industrial computer also is connected with keyboard, mouse, display by data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200806899U CN201116976Y (en) | 2007-08-20 | 2007-08-20 | On-line monitoring and technological parameter optimizing system for aluminum alloy fusion welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200806899U CN201116976Y (en) | 2007-08-20 | 2007-08-20 | On-line monitoring and technological parameter optimizing system for aluminum alloy fusion welding process |
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| Publication Number | Publication Date |
|---|---|
| CN201116976Y true CN201116976Y (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200806899U Expired - Fee Related CN201116976Y (en) | 2007-08-20 | 2007-08-20 | On-line monitoring and technological parameter optimizing system for aluminum alloy fusion welding process |
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| CN (1) | CN201116976Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554406A (en) * | 2011-12-27 | 2012-07-11 | 上海空间推进研究所 | Device for controlling height of electric arc of argon arc welding |
| CN102922133A (en) * | 2012-11-09 | 2013-02-13 | 武汉市楚源光电有限公司 | Automatic optical detection laser welding system |
| CN107570897A (en) * | 2017-08-30 | 2018-01-12 | 佛山市宏石激光技术有限公司 | A kind of wire filling laser welding wire feed rate control method, apparatus and system |
| CN112108768A (en) * | 2019-06-21 | 2020-12-22 | 南京航空航天大学 | Pulse laser conversion device and method for improving double-laser-beam double-side synchronous welding receiving arc defects |
| CN113231738A (en) * | 2021-06-03 | 2021-08-10 | 苏州大学 | Wire feeding method for laser welding |
-
2007
- 2007-08-20 CN CNU2007200806899U patent/CN201116976Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554406A (en) * | 2011-12-27 | 2012-07-11 | 上海空间推进研究所 | Device for controlling height of electric arc of argon arc welding |
| CN102554406B (en) * | 2011-12-27 | 2016-06-01 | 上海空间推进研究所 | A kind of device for controlling height of electric arc of argon arc welding |
| CN102922133A (en) * | 2012-11-09 | 2013-02-13 | 武汉市楚源光电有限公司 | Automatic optical detection laser welding system |
| CN102922133B (en) * | 2012-11-09 | 2015-09-16 | 武汉市楚源光电有限公司 | A kind of automatic optics inspection laser welding system |
| CN107570897A (en) * | 2017-08-30 | 2018-01-12 | 佛山市宏石激光技术有限公司 | A kind of wire filling laser welding wire feed rate control method, apparatus and system |
| CN112108768A (en) * | 2019-06-21 | 2020-12-22 | 南京航空航天大学 | Pulse laser conversion device and method for improving double-laser-beam double-side synchronous welding receiving arc defects |
| CN113231738A (en) * | 2021-06-03 | 2021-08-10 | 苏州大学 | Wire feeding method for laser welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20140820 |
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| EXPY | Termination of patent right or utility model |