CN104785898A - Steam-injection boiler unit convection section box body automatic welding work station and machining technology thereof - Google Patents
Steam-injection boiler unit convection section box body automatic welding work station and machining technology thereof Download PDFInfo
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- CN104785898A CN104785898A CN201510185936.0A CN201510185936A CN104785898A CN 104785898 A CN104785898 A CN 104785898A CN 201510185936 A CN201510185936 A CN 201510185936A CN 104785898 A CN104785898 A CN 104785898A
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Abstract
The invention provides a steam-injection boiler unit convection section box body automatic welding work station. The steam-injection boiler unit convection section box body automatic welding work station comprises a box body frame automatic pairing mechanism, a box body frame inner seam-welding automatic welding mechanism and an AGV which are installed in operating sequence; the steam-injection boiler unit convection section box body automatic welding work station further comprises a control box body frame automatic pairing welding mechanism, a box body frame inner seam-welding automatic welding mechanism and an AGV operation PLC control device; the box body frame pairing mechanism is provided with a sensor A, and the box body frame inner seam-welding automatic pairing mechanism is provided with a sensor B. By means of the steam-injection boiler unit convection section box body automatic welding work station, an intelligent, flexible and automatic advanced production technology is introduced into traditional manufacturing industries, the switchover of a high-efficiency, friendly and green production mode is brought, and transformation and upgrading of the traditional industries are achieved.
Description
Technical field
The present invention relates to injection boiler unit production and processing field, particularly relate to injection boiler unit convection section casing automatically welding workstation and processing technology thereof.
Background technology
Injection boiler unit convection section is the auxiliary heating surface of injection boiler, and it is arranged in boiler back end ductwork, utilizes the waste-heat boiler feedwater of flue gas, can save material like this, improves boiler thermal output.Boiler feedwater is entered as convection section therefrom absorb fume afterheat, and water temperature is raised, and it recepts the caloric account for that boiler feedwater always absorbs heat about 40%.The Welding Structure that convection section casing is made up of steel plate, tube sheet, angle steel, channel-section steel, weld seam has internal weld seams, outside weld seam, and section bar intersection welding seam etc., material is Q235, adopts MAG welding manner.Convection section box parts size is larger, and have many needs in internal implementation welded seam, in current production, general employing is assembled manually, manual welding production mode, labour intensity is large, quality is unstable, efficiency is low, cost is high, need a large amount of manpower, therefore the quality of convection section welding box body and efficiency have now become the problem that modern production must solve.
Summary of the invention
The present invention proposes a kind of injection boiler unit convection section casing automatically welding workstation and processing technology thereof, eliminate the work of hand assembled welding, and steady quality, production efficiency is high.
Technical scheme of the present invention is achieved in that
Injection boiler unit convection section casing automatically welding workstation, comprise install according to operation the automatic welding mechanism of box frame, box frame inside weld automatic welding mechanism and AGV car; Also comprise the PLC control device controlling the automatic welding mechanism of described box frame, box frame inside weld automatic welding mechanism and the operation of AGV car; The automatic welding organization establishes of described box frame has sensors A, and described box frame inside weld automatic welding mechanism is provided with sensor B; The job information of automatic for described box frame welding mechanism is transferred to PLC control device by described sensors A; Described sensor B judges that the job information of described box frame inside weld automatic welding mechanism is transferred to PLC control device.
Further, described box frame automatic welding mechanism comprises arc welding robot I, twoly drives single-shaft position changing machine and be arranged at described two box frame welding fixture driven on single-shaft position changing machine; Described arc welding robot I drives to two the elementary framework that box frame side panel assembly on single-shaft position changing machine and framework tube sheet assembly are welded into casing.
Further, described pair is driven single-shaft position changing machine slip and is arranged on positioner slide unit, and described two single-shaft position changing machine that drives can slide along positioner slide unit in the horizontal direction, and box frame welding fixture can be driven to rotate.
Further, described box frame inside weld automatic welding mechanism comprises arc welding robot II, twoly drives twin shaft positioner and be arranged at described two box frame inside weld automatic welding fixture driven on twin shaft positioner; Described pair is driven twin shaft positioner and described box frame inside weld automatic welding fixture can be driven to rotate, and described arc welding robot II welds each weld seam in the first body framework on described box frame inside weld automatic welding fixture.
Further, described arc welding robot I and arc welding robot II are all arranged on planer-type three axle slide unit, and all can slide along X, Y of planer-type three axle slide unit and Z axis three directions.The working range of arc welding robot can be increased thus, the rectilinear motion in X, Y, Z tri-directions can be realized.
Further, described arc welding robot I and arc welding robot II are equipped with welding gun cleaner, to guarantee that welding quality realizes automated production, realize the regular Automatic clearance of splashing of torch neck inside.
Further, described work station is also provided with dust discharge purifier, the soot dust granule produced with timely cleaning work station.
Further, described arc welding robot I welding gun top is provided with laser and seeks level sensor I, and the automatic welding mechanism of box frame is provided with laser and seeks level sensor I, and described box frame inside weld automatic welding mechanism is provided with laser and seeks level sensor II.Laser seeks level sensor by contactless weld and HAZ and measure accurately; effectively improve the service behaviour of arc welding robot, compensate for location of workpiece deviation and change in size is problem in the early stage such as cause that the low and industrial robot application of high percent defective, productivity is shut down.
The processing technology of injection boiler unit convection section casing automatically welding workstation, comprises the following steps:
A, sensors A detects that the side panel assembly of box frame and tube sheet assembly are placed in the position set by box frame welding fixture, and sends a signal to PLC control device;
The signal that b, PLC control device receiving sensor A sends, and control the side panel assembly of arc welding robot I pair of box frame and tube sheet assembly and carry out tack welding and be connected into elementary framework;
C, sensors A sends side panel assembly and the complete signal of tube sheet assembly tack welding to PLC control device, and PLC control device controls AGV car slides into below box frame welding fixture, and after sensors A detection AGV car puts in place, transmission information is to PLC control device;
D, PLC control device controls casing frame set and unclamps elementary framework to weld jig, and elementary framework is fallen on AGV car; AGV car moves to below box frame inside weld automatic welding fixture, sensor B detect AGV car put in place after transmission information to PLC control device;
E, PLC control device control AGV car rises and makes the elementary framework of box frame welding clamp, after sensor B detects the elementary framework of box frame welding clamp, transmission information is to PLC control device, and the internal weld seams of the elementary framework that PLC control device controls on arc welding robot II pair of box frame inside weld automatic welding fixture is carried out welding and formed box frame.
Further, laser in the automatic welding mechanism of box frame is sought level sensor I and is detected the weld seam on the side panel assembly of box frame and tube sheet assembly and send a signal to PLC control device, and control arc welding robot I is implemented welding action by PLC control device; Laser in box frame inside weld automatic welding mechanism is sought level sensor II and is detected the weld seam in the elementary framework of casing and send a signal to PLC control device, and control arc welding robot II is implemented welding action by PLC control device.
Use technical solution of the present invention, can realize the assembling of product, group to and welding automated job, greatly enhance productivity, can enhance productivity compared with original handwork 10 times through measuring and calculating, labour 30 people can be saved, and reduce percent defective, improve product quality stability significantly, cut the waste, reduce costs.Use the present invention, the advanced production technology of intellectuality, flexibility, automation can be introduced into traditional manufacturing, bring transformation that is efficient, friendly, the green mode of production, realize the transition and upgrade of conventional industries.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is injection boiler unit convection section casing automatically welding workstation structural representation in the specific embodiment of the invention;
Fig. 2 is the elementary frame structure schematic diagram of casing in the specific embodiment of the invention;
Fig. 3 is planer-type three axle slide unit structural representation in the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, injection boiler unit convection section casing automatically welding workstation 100, comprise install according to operation the automatic welding mechanism 1 of box frame, box frame inside weld automatic welding mechanism 2 and AGV car 3; Also comprise the PLC control device 4 controlling the automatic welding mechanism 1 of box frame, box frame inside weld automatic welding mechanism 2 and AGV car 3 operation.
In the specific embodiment of the invention, the automatic welding mechanism 1 of box frame and box frame inside weld automatic welding mechanism 2 are respectively arranged with sensors A with 11 and sensor B21.Sensors A 11 and sensor B21 can be arranged on diverse location according to equipment and occasion demand, and obvious sensor also can be provided with multiple.
The job information of automatic for box frame welding mechanism 1 is transferred to PLC control device 4 by sensors A 11; Sensor B21 judges the job information of box frame inside weld automatic welding mechanism 2 and is transferred to PLC control device 4.
In the specific embodiment of the invention, box frame automatic welding mechanism 1 comprises arc welding robot I 12, twoly drives single-shaft position changing machine 13 and be arranged at two box frame welding fixture 14 driven on single-shaft position changing machine 13; Arc welding robot I 12 drives to two the elementary framework 200 that box frame side panel assembly 201 on single-shaft position changing machine 13 and framework tube sheet assembly 202 are welded into casing.
Wherein, two drive single-shaft position changing machine 13 slide be arranged on positioner slide unit 15, two single-shaft position changing machine 13 that drives can slide along positioner slide unit 15 in the horizontal direction, and two single-shaft position changing machine 13 that drives can drive box frame welding fixture 14 to rotate.
Box frame inside weld automatic welding mechanism 2 comprises arc welding robot II 22, twoly drives twin shaft positioner 23 and be arranged at two box frame inside weld automatic welding fixture 24 driven on twin shaft positioner 23; Two twin shaft positioner 23 that drives can drive box frame inside weld automatic welding fixture 24 to rotate, and each weld seam in the first body framework 200 on arc welding robot II 22 pairs of box frame inside weld automatic welding fixtures 24 welds.
Arc welding robot I 12 and arc welding robot II 22 are all arranged on planer-type three axle slide unit 5, and all can slide along X, Y of planer-type three axle slide unit 5 and Z axis three directions.Thereby increase the working range of arc welding robot, the rectilinear motion in X, Y, Z tri-directions can be realized.
Arc welding robot I 12 and arc welding robot II 22 are equipped with welding gun cleaner 6, to guarantee that welding quality realizes automated production, realize the regular Automatic clearance of splashing of torch neck inside.
In the specific embodiment of the invention, work station is also provided with dust discharge purifier 7, the soot dust granule produced with timely cleaning work station, reduces dust pollution.
In the specific embodiment of the invention, the automatic welding mechanism 1 of box frame is preferably provided with laser and seeks level sensor I 16, and box frame inside weld automatic welding mechanism 2 is preferably provided with laser and seeks level sensor II 26.Laser is sought level sensor I 16 and laser and is sought level sensor II 26 all by contactless weld and HAZ and measure accurately; effectively improve the service behaviour of arc welding robot, compensate for location of workpiece deviation and change in size is problem in the early stage such as cause that the low and industrial robot application of high percent defective, productivity is shut down.
In the specific embodiment of the invention, the processing technology of injection boiler unit convection section casing automatically welding workstation, comprises the following steps:
A, sensors A 11 detects that the side panel assembly 201 of box frame and tube sheet assembly 202 are placed in the position of box frame welding fixture 14 setting, and sends a signal to PLC control device 4;
The signal that b, PLC control device 4 receiving sensor A11 sends, and control the side panel assembly 201 of arc welding robot I 12 pairs of box frames and tube sheet assembly 202 and carry out tack welding and be connected into elementary framework 200;
C, sensors A 11 sends side panel assembly 201 and the complete signal of tube sheet assembly 202 tack welding to PLC control device 4, PLC control device 4 control AGV car 3 slides into below box frame welding fixture 14, sensors A 11 detect AGV car 25 put in place after transmission information to PLC control device 4;
D, PLC control device 4 controls casing frame set and unclamps elementary framework 200 to weld jig 14, and elementary framework 200 is fallen on AGV car 25; AGV car 25 moves to below box frame inside weld automatic welding fixture 24, sensor B21 detect AGV car 25 put in place after transmission information to PLC control device 4;
E, PLC control device 4 control AGV car 25 rises and makes box frame welding fixture 24 clamp elementary framework 200, sensor B21 detects that the internal weld seams that box frame welding fixture 24 clamps the elementary framework 200 that transmission information after elementary framework 200 controls on arc welding robot II 22 pairs of box frame inside weld automatic welding fixtures 24 to PLC control device 4, PLC control device 4 carries out welding formation box frame finished product.
Wherein, in the specific embodiment of the invention, arc welding robot I 12 is when the order receiving PLC control system, laser is sought level sensor I 16 by the weld seam first detected on the side panel assembly 201 of box frame and tube sheet assembly 202 and is sent a signal to PLC control device 4, and PLC control device 4 is sought the weld seam that level sensor I 16 detects carry out welding machine by being controlled arc welding robot I 12 pairs of laser afterwards.
In like manner, arc welding robot II 22 is when the order receiving PLC control system, laser is sought level sensor II 26 by the weld seam first detected in the elementary framework 200 of casing and is sent a signal to PLC control device 4, and PLC control device 4 carries out welding machine by controlling the weld seam that arc welding robot II 22 pairs of laser seek detected by level sensor II 26 afterwards.Really achieve remote monitoring and the even zero flaw welding of low flaw of welding.
Use the present invention can realize the assembling of product, group to automated job and intelligent robot's welding, reduce percent defective, improve product quality stability significantly, cut the waste, reduce costs.Use the present invention, the advanced production technology of intellectuality, flexibility, automation can be introduced into traditional manufacturing, bring transformation that is efficient, friendly, the green mode of production, realize the transition and upgrade of conventional industries.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. injection boiler unit convection section casing automatically welding workstation, comprise install according to operation the automatic welding mechanism of box frame, box frame inside weld automatic welding mechanism and AGV car;
It is characterized in that: also comprise the PLC control device controlling the automatic welding mechanism of described box frame, box frame inside weld automatic welding mechanism and the operation of AGV car;
The automatic welding organization establishes of described box frame has sensors A, and described box frame inside weld automatic welding mechanism is provided with sensor B;
The job information of automatic for described box frame welding mechanism is transferred to PLC control device by described sensors A; Described sensor B judges that the job information of described box frame inside weld automatic welding mechanism is transferred to PLC control device.
2. injection boiler unit convection section casing automatically welding workstation according to claim 1, is characterized in that: described box frame automatic welding mechanism comprises arc welding robot I, twoly drives single-shaft position changing machine and be arranged at described two box frame welding fixture driven on single-shaft position changing machine; Described arc welding robot I drives to two the elementary framework that box frame side panel assembly on single-shaft position changing machine and framework tube sheet assembly are welded into casing.
3. injection boiler unit convection section casing automatically welding workstation according to claim 2, it is characterized in that: described pair is driven single-shaft position changing machine slip and be arranged on positioner slide unit, described two single-shaft position changing machine that drives can slide along positioner slide unit in the horizontal direction, and box frame welding fixture can be driven to rotate.
4. injection boiler unit convection section casing automatically welding workstation according to claim 3, is characterized in that: described box frame inside weld automatic welding mechanism comprises arc welding robot II, twoly drives twin shaft positioner and be arranged at described two box frame inside weld automatic welding fixture driven on twin shaft positioner; Described pair is driven twin shaft positioner and described box frame inside weld automatic welding fixture can be driven to rotate, and described arc welding robot II welds each weld seam in the first body framework on described box frame inside weld automatic welding fixture.
5. injection boiler unit convection section casing automatically welding workstation according to claim 4, it is characterized in that: described arc welding robot I and arc welding robot II are all arranged on planer-type three axle slide unit, and all can slide along X, Y of planer-type three axle slide unit and Z axis three directions.
6. injection boiler unit convection section casing automatically welding workstation according to claim 5, is characterized in that: described arc welding robot I and arc welding robot II are equipped with welding gun cleaner.
7. injection boiler unit convection section casing automatically welding workstation according to claim 6, is characterized in that: described work station is also provided with dust discharge purifier.
8. according to the injection boiler unit convection section casing automatically welding workstation in claim 4 ~ 7 described in any one, it is characterized in that: the automatic welding mechanism of box frame is provided with laser and seeks level sensor I, described box frame inside weld automatic welding mechanism is provided with laser and seeks level sensor II.
9. a processing technology for the injection boiler unit convection section casing automatically welding workstation in claim 1 ~ 8 described in any one, is characterized in that, comprise the following steps:
A, sensors A detects that the side panel assembly of box frame and tube sheet assembly are placed in the position set by box frame welding fixture, and sends a signal to PLC control device;
The signal that b, PLC control device receiving sensor A sends, and control the side panel assembly of arc welding robot I pair of box frame and tube sheet assembly and carry out tack welding and be connected into elementary framework;
C, sensors A sends side panel assembly and the complete signal of tube sheet assembly tack welding to PLC control device, and PLC control device controls AGV car slides into below box frame welding fixture, and after sensors A detection AGV car puts in place, transmission information is to PLC control device;
D, PLC control device controls casing frame set and unclamps elementary framework to weld jig, and elementary framework is fallen on AGV car; AGV car moves to below box frame inside weld automatic welding fixture, sensor B detect AGV car put in place after transmission information to PLC control device;
E, PLC control device control AGV car rises and makes the elementary framework of box frame welding clamp, after sensor B detects the elementary framework of box frame welding clamp, transmission information is to PLC control device, and the internal weld seams of the elementary framework that PLC control device controls on arc welding robot II pair of box frame inside weld automatic welding fixture is carried out welding and formed box frame.
10. injection boiler unit convection section casing automatically welding workstation processing technology according to claim 9, it is characterized in that: the laser in the automatic welding mechanism of box frame is sought level sensor I and detected the weld seam on the side panel assembly of box frame and tube sheet assembly and send a signal to PLC control device, and control arc welding robot I is implemented welding action by PLC control device; Laser in box frame inside weld automatic welding mechanism is sought level sensor II and is detected the weld seam in the elementary framework of casing and send a signal to PLC control device, and control arc welding robot II is implemented welding action by PLC control device.
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| CN201510185936.0A CN104785898A (en) | 2015-04-20 | 2015-04-20 | Steam-injection boiler unit convection section box body automatic welding work station and machining technology thereof |
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Cited By (2)
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| CN105149780A (en) * | 2015-10-10 | 2015-12-16 | 辽宁思达思克实业有限公司 | Self-propelled laser remanufacturing and re-repair square cabin |
| CN113199492A (en) * | 2021-05-26 | 2021-08-03 | 广西大学 | Automatic welding method for double-station distribution box robot welding workstation |
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| CN113199492A (en) * | 2021-05-26 | 2021-08-03 | 广西大学 | Automatic welding method for double-station distribution box robot welding workstation |
| CN113199492B (en) * | 2021-05-26 | 2023-10-31 | 广西大学 | Automatic welding method for double-station distribution box robot welding workstation |
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