CN102830439A - Welded seam detection device and detection method - Google Patents
Welded seam detection device and detection method Download PDFInfo
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- CN102830439A CN102830439A CN2011101646578A CN201110164657A CN102830439A CN 102830439 A CN102830439 A CN 102830439A CN 2011101646578 A CN2011101646578 A CN 2011101646578A CN 201110164657 A CN201110164657 A CN 201110164657A CN 102830439 A CN102830439 A CN 102830439A
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- weld seam
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Abstract
The invention provides a welded seam detection device which comprises a framework, a correlation type photoelectric sensor, a first dust removing device, a second dust removing device and a detection controller, wherein a steel band to be detected penetrates through the framework; a transmitter assembly and a receiver assembly are respectively and fixedly installed on two corresponding sides in the framework, and the detection range of the correlation type photoelectric sensor is larger than the lateral swinging deviation of a mark hole on the steel band; the first dust removing device is used for cleaning dust on the surface of the transmitter assembly; the second dust removing device is used for cleaning dust on the surface of the receiver assembly; and the detection controller is used for providing power for the correlation type photoelectric sensor, detecting the output signal of the receiver assembly, alarming according to the output signal, and outputting the control signal to PLC of a production line. A welded seam detection method is provided according to the device. The device is concise and compact in structure and convenient for operation, effectively achieves on-line detection and dynamic tracking control of the welded seam, protects process equipment, guarantees the production process quality, and lowers the material cost of the welded seam detection device assembly in equipment manufacture.
Description
Technical field
The present invention relates to a kind of weld seam detection device and detection method, particularly a kind of by led array form weld seam detection device and detection method.
Background technology
Continuous bright annealing operation and continuous zinc/aluminium/aluminium zinc coating operation are arranged in the process for machining and manufacturing of stainless steel and straight carbon steel band, wherein relate to the weld seam detection tracking control technology.At present; The import light curtain sensor or many of the early stage generally employing of the weld seam detection device of continuous bright annealing production line and continuous zinc/aluminium/aluminium zinc coating line configuration both at home and abroad to photoelectric sensor distribution installation form; Line dynamic detects that weld seam runs to when requiring station to control weld seam through different station in good time, and control automatically, on-line automatic protection product and the finishing process equipment done is controlled and lift, pressed to the tension force of corresponding device parts automatically.These several kinds of modes do not have dust guard, and response curve is narrow, and intensity of light source decay is fast; After using a period of time; Reliability decrease is difficult to guarantee change each station automatic control of tension force and action accurately in good time after the steel coil strip, in producing continuously, change the steel coil strip rapid welding after; Often must be aided with artificial the tracking and make an inspection tour, can not adapt to fast-developing continuous bright annealing technology and face continuous hot aluminium-plated zinc technology.
Summary of the invention
The object of the present invention is to provide weld seam detection device and the corresponding detecting method formed by led array in a kind of detecting sensor; Thereby it is poor to solve old-fashioned weld seam detection device reliability, can not adapt to the fast-developing continuous bright annealing technology and the problem of face continuous hot aluminium-plated zinc technology.
The objective of the invention is to realize through following technical scheme:
A kind of weld seam detection device is used to detect the steel band of commissure band control hole, comprising:
The framework of one hollow, steel band to be detected passes from this framework;
One correlation photoelectric sensor; Its emitter assemblies and receiver assembly are fixedly installed in corresponding both sides in the framework respectively; LED photoemitter array is installed in its emitter assemblies; The LED photoreceptor array is installed in the receiver assembly, and the sensing range of this correlation photoelectric sensor is greater than the teeter deviation of control hole on the steel band;
One first dust arrester is fixed in the framework, is used to clean the dust on said emitter assemblies surface;
One second dust arrester is fixed in the framework, is used to clean the dust on said receiver assembly surface;
One detects controller, for the correlation photoelectric sensor provides power supply, and the output signal of detection receiver assembly, and export signal according to this and report to the police, export the programmable logic controller (PLC) (PLC) that control signal is given production line simultaneously.
Further, LED photoemitter array comprises the multi-disc correlation LED transmitter of vertical formula serial connection, between the every LED transmitter with paired washer spacer; The LED photoreceptor array comprises the multi-disc correlation LED receiver of vertical formula serial connection.
Further, emitter assemblies 2 is packaged into square box-like, and one first plano lens is installed on the lid surface, and the light that transmitter is sent is able to see through.
Further, receiver assembly is packaged into square box-like, and one second plano lens is installed on the lid surface.
Further, first dust arrester is installed in the periphery of first plano lens of emitter assemblies.
Further, first dust arrester comprises one first nozzle, a compressed air line; One electromagnetic gas valve; First nozzle is connected with compressed air line, and compressed air line is controlled connecting or disconnecting of gas circuit through electromagnetic gas valve, and first nozzle is near first plano lens surface.
Further, second dust arrester is installed in the periphery of second plano lens of receiver assembly.
Further; Second dust arrester comprises one second nozzle, compressed air line and the electromagnetic gas valve shared with first dust arrester, and second nozzle is connected with compressed air line; Compressed air line is controlled through electromagnetic gas valve and is connected or disconnected, and second nozzle is near second plano lens surface.
Further, the emission of LED transmitter is ruddiness or infrared ray.
A kind of weld inspection method comprises step:
S1, steel band to be measured in the commissure cold punching process a control hole;
S2, steel band to be measured pass in the framework of hollow;
The correlation photoelectric sensor of S3, framework both sides detects steel band continuously, emitter assemblies red-emitting or infrared ray;
S4, judge ruddiness or infrared ray that whether receiver assembly receives that emitter assemblies is sent; If get into step S5; If not, repeating step S3;
S5, detection controller send warning, and the output control signal is given the programmable logic controller (PLC) PLC of production line;
The programmable logic controller (PLC) PLC of S6, production line coordinates the tension force of the corresponding process section equipment of this section of control steel band.
What the programmable logic controller (PLC) PLC of S7, production line coordinated the corresponding process section part of appliance of this section of control steel band accurately lifts, presses work.
Further; Step S3 also comprises step S31, T at regular intervals; First nozzle and second nozzle are removed the dust on emitter assemblies and the receiver assembly surface of said correlation photoelectric sensor, this time T by the user through being provided with voluntarily the actuation time of setting electromagnetic gas valve.
Positive progressive effect of the present invention is:
(1) compactness simple for structure, operation, easy to maintenance;
(2) efficiently solve the line dynamic weld seam detection, the protection process equipment improves the production technology quality;
(3) material cost of weld seam detection device in the reduction device fabrication.
Description of drawings
Fig. 1 is a weld seam detection device front view in the embodiment of the invention;
Fig. 2 is a weld seam detection device vertical view in the embodiment of the invention;
Fig. 3 is an emitter assemblies vertical view in the embodiment of the invention;
Fig. 4 is an emitter assemblies side view in the embodiment of the invention;
Fig. 5 is a receiver assembly vertical view in the embodiment of the invention;
Fig. 6 is a receiver assembly side view in the embodiment of the invention.
Wherein, each label is respectively:
The 1-framework, 2-emitter assemblies, 3-receiver assembly, 4-second nozzle, 5-compressed air line, 6-electromagnetic gas valve; 7-detects controller, 8-LED transmitter, 9-packing ring, 10-transmitter mounting box, 11-support; The 12-nut, 13-sunk screw, 14-stud bolt, 15-first interface card, 16-cushion block; 17-first cover plate, 18-first plano lens, 19-round head screw, 20-receiver mounting box, 21-LED receiver; 22-second interface card, 23-second plano lens, 24-first supply socket, 25-first attaching plug, 26-second source socket; 27-second source plug, 28-protective block, 29-second cover plate, 30--first nozzle.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
As shown in Figure 1, embodiment of the invention weld seam detection device, the emitter assemblies 2 of correlation photoelectric sensor and receiver assembly 3 are installed in the left and right inboard of framework 1 respectively, detect controller 7 and are installed in the outside before the framework 1.
As depicted in figs. 1 and 2, in the present embodiment, cone-shaped first nozzle 30 (emitter assemblies end) and cone-shaped second nozzle 4 (receiver assembly end) are installed in compressed air line 5 exits; Compressed air line 5 porch are connected with electromagnetic gas valve 6, and the pressurized air that inserts is played control action, and the inlet of electromagnetic gas valve 6 connects the compressed air source of dry cleansing.
Protective block 28 among Fig. 2 is fixed on emitter assemblies 2 and receiver assembly 3 two ends respectively, and protection emitter assemblies 2 can be by the grazing of operating band steel with receiver assembly 3.
In conjunction with Fig. 2 and Fig. 3, whole emitter assemblies 2 is packaged into the rectangle bulk, transmitter mounting box 10 bottom pad cushion blocks 16; The correlation LED transmitter 8 of the wide response curve of multi-disc of vertical formula serial connection; Isolate by paired packing ring 9, be concatenated into the LED emission array by a pair of stud bolt 14 again, be installed between the sidewall and support 11 of transmitter mounting box 10; Fix by nut 12, by a pair of sunk screw support 11 is fixed on the bottom of transmitter mounting box 10 again; First interface card 15 also is installed on transmitter mounting box 10 bottoms; Be used for connecting the electrical wiring of each paths of LEDs transmitter 8 of LED emission array and total external cabling, the external cabling terminal of first interface card 15 links to each other with first supply socket 24 with stube cable; 25 of first attaching plugs with outside stube cable with detect controller 7 and be connected, provide emitter assemblies 2 required working dc powers by detecting controller 7.
In conjunction with Fig. 4 (Fig. 4 is a sectional view); First plano lens 18 is installed on the middle trough type light hole of first cover plate, 17 outside surfaces; First cover plate 17 is with transmitter mounting box 10 cap seals, and is fixing with round head screw 19, is used for on-the-spot houselights of shield or sunlight interference and the dust protection to the LED transmitter.
In conjunction with Fig. 5 and Fig. 6; Whole receiver assembly 3 is packaged into the rectangle bulk, receiver mounting box 20 bottom pad cushion blocks 16, plurality of LED receiver 21; Be concatenated into the LED receiver array by a pair of stud bolt; Be installed between the sidewall and support 11 of receiver mounting box 20, fix, by a pair of sunk screw support 11 is fixed on the bottom of receiver mounting box 20 again by nut 12; Second interface card 22 also is installed on receiver mounting box 20 bottoms; Be used for connecting the electrical wiring of each paths of LEDs receiver 21 of LED receiving array and total external cabling, the external cabling terminal of second interface card 22 links to each other with second source socket 26 with stube cable; 27 of second source plugs are connected with detector controller 7 with outside stube cable; Provide receiver assembly 3 required working dc powers by detecting controller 7; And detect it and export signal; Report to the police according to the output signal, and control signal is uploaded to the programmable logic controller (PLC) PLC of production line, production line PLC coordinates to control the tension force of corresponding process section equipment in good time.
In conjunction with Fig. 6 (Fig. 6 is a sectional view); Second plano lens 23 is installed on the middle trough type light hole of second cover plate, 29 outside surfaces; Second cover plate 29 is with receiver mounting box 20 cap seals, and is fixing with round head screw 19, is used for on-the-spot houselights of shield or sunlight interference and the dust protection to the LED receiver.
The weld inspection method of the embodiment of the invention may further comprise the steps: S1, steel band to be measured in the commissure cold punching process a control hole; S2, steel band to be measured pass in the framework 1 of hollow; The correlation photoelectric sensor of S3, framework both sides detects steel band continuously, LED transmitter 8 red-emittings or infrared ray; S4, detect controller 7 and judge whether ruddiness or the infrared ray of receiving that LED transmitter 8 sends according to the output signal of LED receiver 21; When the weld seam of band control hole passes through this framework; Because the existence of control hole; LED receiver 21 can be received ruddiness or the infrared ray that LED transmitter 8 sends, and detect controller 7 and send warning this moment, and the output control signal is given the programmable logic controller (PLC) PLC of production line; The programmable logic controller (PLC) PLC of S6, production line coordinates the tension force of the corresponding process section equipment of this section of control steel band, thereby guarantees that the commissure can broken belt; What but the FPGA controller PLC of S7, production line was coordinated the corresponding process section part of appliance of this section of control steel band accurately lifts, presses work, thereby guarantees that weld seam can not damage the precision equipment parts through the place.Simultaneously; In order to guarantee the sensitivity of LED transmitter and receiver; T at set intervals; First nozzle 30 and second nozzle 4 can the clean air of ejection, remove the dust on emitter assemblies 2 and receiver assembly 3 surfaces, this time T by the user through being provided with voluntarily the actuation time of setting electromagnetic gas valve 6.
The principle of work of the embodiment of the invention is: band steel hot-dip aluminizing zinc production line is in the continuous processing production run; Steel band moves forward by predetermined process speed in each process section, when each coil band production finishes, must not shut down the replacing steel coil strip; Preceding winding tail and back tape head are after the bonding machine rapid welding; The commissure cold punching is processed a control hole, after control hole passes through each process section with weld seam, and bundling behind the shearing weld seam before coiling machine.The steel band of welding is in operation, and the control hole travelling speed of on-line operation changes with the process speed of different process section, and it is indefinite then can to float with the teeter deviation of steel band in the lateral attitude.Thereby the photoelectric sensor that requires pick-up unit to the position probing scope of control hole must the greater than flag hole the teeter deviation.By technological requirement; Many weld seam detection devices are installed in corresponding process section porch respectively; The band steel passes through in the middle of the framework of weld seam detection device; Online weld seam to be checked (control hole), require must to have in the LED receiving array of weld seam detection device when weld seam passes through pick-up unit one the road or a few paths of LEDs receiver 21 in time receive in the LED emission array one the road or the photosignal of a few paths of LEDs transmitters 8, weld seam detection Device Testing controller 7 sends in good time warning and the output control signal is given Production Line PLC PLC; Thereby coordinate the tension force of the corresponding process section equipment of control in good time, guarantee not broken belt of tape splicing commissure; Coordinate the lifting of the corresponding process section finishing process equipment work roller of control in good time and depress on-line automatic protection product and finishing process equipment.
The predetermined process speed of said steel band among the present invention reaches different band technic indexs according to actual needs and decides, so in the present invention, do not give unnecessary details.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to embodiment.Therefore, protection scope of the present invention is limited appended claims.
Claims (11)
1. weld seam detection device is used to detect the steel band of commissure band control hole, it is characterized in that this pick-up unit comprises:
The framework of one hollow, steel band to be detected passes from said framework;
One correlation photoelectric sensor; Its emitter assemblies and receiver assembly are fixedly installed in corresponding both sides in the said framework respectively; LED photoemitter array is installed in the said emitter assemblies; The LED photoreceptor array is installed in the said receiver assembly, and the sensing range of said correlation photoelectric sensor is greater than the teeter deviation of control hole on the said steel band;
One first dust arrester is fixed in the said framework, is used to clean the dust on said emitter assemblies surface;
One second dust arrester is fixed in the said framework, is used to clean the dust on said receiver assembly surface;
One detects controller, for said correlation photoelectric sensor provides power supply, and detects the output signal of said receiver assembly, and reports to the police according to this output signal, exports the programmable logic controller (PLC) that control signal is given production line simultaneously.
2. weld seam detection device as claimed in claim 1 is characterized in that: said LED photoemitter array comprises the multi-disc correlation LED transmitter of vertical formula serial connection, between the every LED transmitter with paired washer spacer; Said LED photoreceptor array comprises the multi-disc correlation LED receiver of vertical formula serial connection.
3. like claim 1 or 2 described weld seam detection devices, it is characterized in that: said emitter assemblies is packaged into square box-like, and one first plano lens is installed on the lid surface, and the light that transmitter is sent is able to see through.
4. like claim 1 or 2 described weld seam detection devices, it is characterized in that: said receiver assembly is packaged into square box-like, and one second plano lens is installed on the lid surface.
5. weld seam detection device as claimed in claim 3 is characterized in that: said first dust arrester is installed in the periphery of first plano lens of said emitter assemblies.
6. weld seam detection device as claimed in claim 5; It is characterized in that: said first dust arrester comprises one first nozzle; One compressed air line, an electromagnetic gas valve, said first nozzle is connected with said compressed air line; Said compressed air line is controlled through said electromagnetic gas valve and is connected or disconnected, and said first nozzle is near first plano lens surface.
7. weld seam detection device as claimed in claim 4 is characterized in that: said second dust arrester is installed in the periphery of second plano lens of said receiver assembly.
8. weld seam detection device as claimed in claim 7; It is characterized in that: said second dust arrester comprises one second nozzle; Compressed air line and the electromagnetic gas valve shared with first dust arrester; Said second nozzle is connected with said compressed air line, and said compressed air line is controlled through said electromagnetic gas valve and connected or disconnected, and said second nozzle is near second plano lens surface.
9. weld seam detection device as claimed in claim 2 is characterized in that: what said LED transmitter was launched is ruddiness or infrared ray.
10. the weld inspection method of an above-mentioned weld seam detection device is characterized in that, comprises step:
S1, steel band to be measured in the commissure cold punching process a control hole;
S2, steel band to be measured pass in the framework of hollow;
The correlation photoelectric sensor of S3, framework both sides detects steel band continuously, emitter assemblies red-emitting or infrared ray;
S4, judge ruddiness or infrared ray that whether receiver assembly receives that emitter assemblies is sent; If get into step S5; If not, repeating step S3;
S5, detection controller send warning, and the output control signal is given the programmable logic controller (PLC) of production line;
The programmable logic controller (PLC) of S6, production line is coordinated the tension force of the corresponding process section equipment of this section of control steel band;
What the programmable logic controller (PLC) of S7, production line was coordinated the corresponding process section part of appliance of this section of control steel band accurately lifts, presses work.
11. weld inspection method as claimed in claim 10; It is characterized in that; Step S3 also comprises step S31, T at regular intervals; First nozzle and second nozzle are removed the dust on emitter assemblies and the receiver assembly surface of said correlation photoelectric sensor, this time T by the user through being provided with voluntarily the actuation time of setting electromagnetic gas valve.
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| CN2011101646578A CN102830439A (en) | 2011-06-17 | 2011-06-17 | Welded seam detection device and detection method |
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| CN2011101646578A CN102830439A (en) | 2011-06-17 | 2011-06-17 | Welded seam detection device and detection method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949760A (en) * | 2014-05-14 | 2014-07-30 | 泰佰亿（山东）工业有限公司 | Sensing type welding injecting-smelting device |
| CN104101495A (en) * | 2014-07-21 | 2014-10-15 | 南京国际船舶设备配件有限公司 | Bimetallic material friction welding air valve detection device |
| CN104894834A (en) * | 2015-06-26 | 2015-09-09 | 苏州市吴中区大明针织漂染有限公司 | Photoelectric abb finishing device |
| CN110986758A (en) * | 2019-10-18 | 2020-04-10 | 济南易安行信息科技有限公司 | Online detection method for steel rail welding seam misalignment amount |
| CN112676356A (en) * | 2020-12-28 | 2021-04-20 | 包头钢铁（集团）有限责任公司 | Method for detecting weld seam open welding of withdrawal and straightening machine |
| CN113020851A (en) * | 2021-04-01 | 2021-06-25 | 巴玛克电气设备（上海）有限公司 | Positioning device for continuous pipeline welding |
| WO2021159264A1 (en) * | 2020-02-11 | 2021-08-19 | 深圳元戎启行科技有限公司 | Unmanned sensor integrated device and unmanned system |
| CN116913053A (en) * | 2023-06-20 | 2023-10-20 | 镇江加勒智慧电力科技股份有限公司 | Automatic alarm type bus duct and monitoring system for fracture |
| CN117900973A (en) * | 2024-03-20 | 2024-04-19 | 太原市恒山机电设备有限公司 | Steel belt welding seam monitoring device and application method thereof |
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| CN103949760A (en) * | 2014-05-14 | 2014-07-30 | 泰佰亿（山东）工业有限公司 | Sensing type welding injecting-smelting device |
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| CN104894834A (en) * | 2015-06-26 | 2015-09-09 | 苏州市吴中区大明针织漂染有限公司 | Photoelectric abb finishing device |
| CN110986758A (en) * | 2019-10-18 | 2020-04-10 | 济南易安行信息科技有限公司 | Online detection method for steel rail welding seam misalignment amount |
| WO2021159264A1 (en) * | 2020-02-11 | 2021-08-19 | 深圳元戎启行科技有限公司 | Unmanned sensor integrated device and unmanned system |
| CN112676356A (en) * | 2020-12-28 | 2021-04-20 | 包头钢铁（集团）有限责任公司 | Method for detecting weld seam open welding of withdrawal and straightening machine |
| CN113020851A (en) * | 2021-04-01 | 2021-06-25 | 巴玛克电气设备（上海）有限公司 | Positioning device for continuous pipeline welding |
| CN116913053A (en) * | 2023-06-20 | 2023-10-20 | 镇江加勒智慧电力科技股份有限公司 | Automatic alarm type bus duct and monitoring system for fracture |
| CN117900973A (en) * | 2024-03-20 | 2024-04-19 | 太原市恒山机电设备有限公司 | Steel belt welding seam monitoring device and application method thereof |
| CN117900973B (en) * | 2024-03-20 | 2024-05-24 | 太原市恒山机电设备有限公司 | Steel belt welding seam monitoring device and application method thereof |
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Application publication date: 20121219 |