CN105004848A - High-speed strip steel surface small projection defect real-time detection apparatus - Google Patents
High-speed strip steel surface small projection defect real-time detection apparatus Download PDFInfo
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- CN105004848A CN105004848A CN201410168993.3A CN201410168993A CN105004848A CN 105004848 A CN105004848 A CN 105004848A CN 201410168993 A CN201410168993 A CN 201410168993A CN 105004848 A CN105004848 A CN 105004848A
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Abstract
The invention relates to the field of cold-rolled strip steel surface quality online monitoring, and especially relates to a high-speed strip steel surface small projection defect real-time detection apparatus. The high-speed strip steel surface small projection defect real-time detection apparatus is characterized in that a positioning mechanism is arranged on an adjusting table, and a detection triggering mechanism is hinged to the adjusting table through a rotating shaft and has a signaling position and a detection position; the detection end of the detection triggering mechanism parallels to the surface of strip steel, a certain gap exists between the detection end and the surface of the strip steel, the triggering end of the detection triggering mechanism is close to the positioning mechanism, and a signal emitting mechanism is arranged between the triggering end of the detection triggering mechanism and the positioning mechanism; and the adjusting table is arranged on a fixed frame through a sliding mechanism, a resetting mechanism is arranged on the adjusting table, and the resetting mechanism drives the detection triggering mechanism to rotate in order to make the detection triggering mechanism return to the detection position from the signaling position. The sensor emits a defect signal to avoid bumping damages of defects to a precise detector and has no influences on normal running of the strip steel.
Description
Technical field
The present invention relates to Cold-strip Steel Surface quality on-line monitoring field, particularly relate to a kind of surperficial small protrusion defect real-time detection device.
Background technology
At cold rolling process in order to the various mass parameters of band steel can be grasped in real time, be convenient to the real-time adjustment to rolling technological parameter, a lot of checkout equipment can be arranged on cold rolling product line; The probe of these checkout equipments extremely presses close to belt steel surface sometimes, such as cold-rolled thin steel strip line flaw detection instrument, during application, detecting unit is apart from tested belt steel surface only 0.5-1mm, when being with steel to produce the defect such as fold, alice, weld seam, limit silk protruded, be easy to the instrument and the equipment that break this kind of precision.For guaranteeing such online detection instrument normal use; development real-time detection device; trigger detection device when making Thin Strip Steel produce the protrusion defect of relative dimensions also sends alerting signal to control system; the detecting unit that can control protected equipment makes protection act, to avoid being with the reasons such as steel protrusion defect to damage the detecting unit of accurate online detection instrument.
The equipment of current detection steel strip surface defect is all the detector assembly of optical principle or electromagnetic principle, and this kind of detector is mainly used in the defect on full surface integral, and final result is probably similar to an average concept, can obtain quantitative data result; But detect its single outstanding defect for full belt steel surface, the reliability of this kind of detector is inadequate, is easily interfered and false alarm or detection sensitivity are not enough to find the tested belt steel surface minute protrusions thing in high-speed motion.Therefore one not only reliable measurements but also can dodge in time when contacting is needed, can not the sniffer that normally runs of influence zone steel.
Summary of the invention
Technical matters to be solved by this invention is to provide the small protrusion defect real-time detection device in a kind of high-speed band steel surface, this sniffer utilizes the protrusion defect on the full surface of the rotation detection plate direct-detection band steel of a contact, avoids the detecting unit of the online detection instrument of other precisions to be protruded defect and breaks.
The present invention is achieved in that the small protrusion defect real-time detection device in a kind of high-speed band steel surface, comprise detection trigger mechanism, detent mechanism, resetting-mechanism, regulating platform and fixed frame, described detent mechanism is arranged on regulating platform, described detection trigger mechanism is hinged on regulating platform by rotating shaft, has and transmits position and detecting location two working positions; The end of probe of detection trigger mechanism is parallel with belt steel surface and leave certain interval, and trigger end and the detent mechanism of detection trigger mechanism are affixed, and detect between the trigger end of trigger mechanism and detent mechanism and are provided with signal transmitter structure; Described regulating platform is arranged on fixed frame by slide mechanism, and described resetting-mechanism is arranged on regulating platform, and resetting-mechanism drives detection trigger mechanism to rotate, and makes detection trigger mechanism return detecting location from transmitting position.
Described detection trigger mechanism comprises detecting plate and tappet, described detecting plate one end and tappet one end are fixedly linked, the other end of detecting plate is as end of probe, and the other end of tappet is as trigger end, and described rotating shaft is arranged on the joint of detecting plate and tappet.
Described signal transmitter structure comprises inductive head and induction of signal sheet, on the trigger end that described inductive head and induction of signal sheet are arranged on tappet respectively and detent mechanism, contacts when detecting inductive head and induction of signal sheet when trigger mechanism is positioned at detecting location; When detect trigger mechanism be positioned at transmit position time inductive head and induction of signal sheet be separated, signal transmitter structure sends flaw indication.
Described detent mechanism is electromagnetic location mechanism.
Described resetting-mechanism is cylinder, and cylinder promotes detection trigger mechanism by cylinder rod and resets.
Described slide mechanism is slide block guide rail mechanism, and described fixed frame is provided with guide rail, and guide rail is built with slide block, and described regulating platform is fixedly mounted on slide block.
Although contact measurement is reliable, if probe portion is to when being produced certain force by measuring tape steel, the Thin Strip Steel of high-speed motion can be scratched even to be torn to shreds.
The small protrusion defect real-time detection device in high-speed band steel surface of the present invention utilizes the protrusion defect on the full surface of the rotation detection plate direct-detection band steel of a contact, detecting plate rotation will be touched when protruding the time in that defect being greater than safe distance, sensor is made to send flaw indication, other detecting units will be controlled after on-the-spot industrial control computer receives this flaw indication to dodge, these defects are avoided to break accurate detecting unit, this sniffer is applicable to the online real-time application of cold-rolled thin steel strip processing line, and it is used that detectable signal can be production line automatic control system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the small protrusion defect real-time detection device in high-speed band steel of the present invention surface when being positioned at detecting location;
Fig. 2 is the structural representation that the small protrusion defect real-time detection device in high-speed band steel of the present invention surface is positioned at when transmitting position;
In figure: 1 detecting plate, 2 rotating shafts, 3 tappets, 4 inductive heads, 5 induction of signal sheets, 6 detent mechanisms, 7 resetting-mechanisms, 8 slide mechanisms, 9 regulating platforms, 10 fixed frames, 11 band steel.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, 2, the small protrusion defect real-time detection device in a kind of high-speed band steel surface, comprise detection trigger mechanism, detent mechanism 6, resetting-mechanism 7, regulating platform 9 and fixed frame 10, described detent mechanism 6 is arranged on regulating platform 9, described detection trigger mechanism is hinged on regulating platform 9 by rotating shaft 2, has and transmits position and detecting location two working positions; The end of probe of detection trigger mechanism is parallel and leave certain interval with band steel 11 surface, and trigger end and the detent mechanism 6 of detection trigger mechanism are affixed, and detect between the trigger end of trigger mechanism and detent mechanism 6 and are provided with signal transmitter structure; Described regulating platform 9 is arranged on fixed frame 10 by slide mechanism 8, and described resetting-mechanism 7 is arranged on regulating platform 9, and resetting-mechanism 7 drives detection trigger mechanism to rotate, and makes detection trigger mechanism return detecting location from transmitting position.
Under normal circumstances, the end of probe detecting trigger mechanism is in the present invention 0.5 ~ 1mm with the gap on band steel 11 surface, and the size in this gap is adjusted by slide mechanism 8 and regulating platform 9 by gap; In the present embodiment, described detent mechanism 6 is electromagnetic location mechanism, and the tappet 3 on detecting plate 1 is fixed by electromagnetic location mechanism with electromagnetic force, make detection trigger mechanism be in detecting location; When be with the protrusion flaw height on steel 11 exceeded clearance distance encounter the end of probe of detecting plate 1 time, drive detecting plate 1 to overcome electromagnetic force to rotate, detection trigger mechanism is forwarded to and transmits position, now signal transmitter structure sends flaw indication, the size of electromagnetic force can free adjustment as required, avoids the too small easy false alarm of magnetic force or magnetic force to cross ambassador's detecting plate 1 and breaks band steel 11.
In the present invention, in order to save installing space, detection trigger mechanism is divided into two parts, described detection trigger mechanism comprises detecting plate 1 and tappet 3, described detecting plate 1 one end and tappet 3 one end are fixedly linked, the other end of detecting plate 1 is as end of probe, and the other end of tappet 3 is as trigger end, and described rotating shaft 2 is arranged on the joint of detecting plate 1 and tappet 3; End of probe near band steel 11 needs the whole width that can cover band steel 11, so need to use detecting plate 1, and trigger end is the probe of a needs trigger pip, so with a tappet 3.
In the present invention, described signal transmitter structure comprises inductive head 4 and induction of signal sheet 5, on the trigger end that described inductive head 4 and induction of signal sheet 5 are arranged on tappet 3 respectively and detent mechanism 6, contact when detecting inductive head 4 and induction of signal sheet 5 when trigger mechanism is positioned at detecting location; When detect trigger mechanism be positioned at transmit position time inductive head 4 and induction of signal sheet 5 be separated, signal transmitter structure sends flaw indication; As shown in the drawing, the inductive head 4 in the present embodiment is fixedly mounted on tappet 3, and induction of signal sheet 5 is fixedly mounted on detent mechanism 6.
In addition in the present embodiment, described resetting-mechanism 7 is cylinder, and cylinder promotes detection trigger mechanism by cylinder rod and resets; The present invention can adopt other as push rod equally, and the Lifting Equipment within hydraulic cylinder drives detection trigger mechanism to reset, and the detection trigger mechanism that draws high mechanism to drive that even can arrange a stay cord class above end of probe resets.
In the present embodiment, described slide mechanism 8 is slide block guide rail mechanism, and described fixed frame 10 is provided with guide rail, and guide rail is built with slide block, and described regulating platform 9 is fixedly mounted on slide block; Or adopt a lead screw pair, leading screw is arranged on fixed frame 10, and regulating platform 9 is fixedly mounted on feed screw nut, like this can the distance of the control gap of accurate quantification more compared to slide mechanism.
After the flaw indication of detection trigger mechanism sends, the industrial management computing machine at rolling scene controls associated detection cell according to signal to be evaded, and avoids detecting unit to knock the defect of band steel protrusion, causes detecting unit to damage.
Claims (6)
1. the small protrusion defect real-time detection device in high-speed band steel surface, it is characterized in that: comprise detection trigger mechanism, detent mechanism (6), resetting-mechanism (7), regulating platform (9) and fixed frame (10), described detent mechanism (6) is arranged on regulating platform (9), described detection trigger mechanism is hinged on regulating platform (9) by rotating shaft (2), has and transmits position and detecting location two working positions; The end of probe of detection trigger mechanism and band steel (11) are surperficial parallel and leave certain interval, trigger end and the detent mechanism (6) of detection trigger mechanism are affixed, and are provided with signal transmitter structure between the trigger end of detection trigger mechanism and detent mechanism (6); Described regulating platform (9) is arranged on fixed frame (10) by slide mechanism (8), described resetting-mechanism (7) is arranged on regulating platform (9), resetting-mechanism (7) drives detection trigger mechanism to rotate, and makes detection trigger mechanism return detecting location from transmitting position.
2. the small protrusion defect real-time detection device in high-speed band steel surface as claimed in claim 1, it is characterized in that: described detection trigger mechanism comprises detecting plate (1) and tappet (3), described detecting plate (1) one end and tappet (3) one end are fixedly linked, the other end of detecting plate (1) is as end of probe, the other end of tappet (3) is as trigger end, and described rotating shaft (2) is arranged on the joint of detecting plate (1) and tappet (3).
3. the small protrusion defect real-time detection device in high-speed band steel surface as claimed in claim 2, it is characterized in that: described signal transmitter structure comprises inductive head (4) and induction of signal sheet (5), on the trigger end that described inductive head (4) and induction of signal sheet (5) are arranged on tappet (3) respectively and detent mechanism (6), contact when detecting inductive head (4) and induction of signal sheet (5) when trigger mechanism is positioned at detecting location; When detect trigger mechanism be positioned at transmit position time inductive head (4) and induction of signal sheet (5) be separated, signal transmitter structure sends flaw indication.
4. the small protrusion defect real-time detection device in high-speed band steel surface as described in a claim any in claim 1 ~ 3, is characterized in that: described detent mechanism (6) is electromagnetic location mechanism.
5. the small protrusion defect real-time detection device in high-speed band steel surface as described in a claim any in claim 1 ~ 3, is characterized in that: described resetting-mechanism (7) is cylinder, and cylinder promotes detection trigger mechanism by cylinder rod and resets.
6. the small protrusion defect real-time detection device in high-speed band steel surface as described in a claim any in claim 1 ~ 3, it is characterized in that: described slide mechanism (8) is slide block guide rail mechanism, (10) are provided with guide rail to described fixed frame, guide rail is built with slide block, and described regulating platform (9) is fixedly mounted on slide block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168993.3A CN105004848B (en) | 2014-04-25 | 2014-04-25 | High-speed strip steel surface small projection defect real-time detection apparatus |
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| CN201410168993.3A CN105004848B (en) | 2014-04-25 | 2014-04-25 | High-speed strip steel surface small projection defect real-time detection apparatus |
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| CN105004848A true CN105004848A (en) | 2015-10-28 |
| CN105004848B CN105004848B (en) | 2017-01-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106925615A (en) * | 2015-12-31 | 2017-07-07 | 上海金艺检测技术有限公司 | For the automatic detection device of Thin Strip Steel fold |
| CN107309545A (en) * | 2017-07-10 | 2017-11-03 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling centering camera with head and tail of laser welding machine |
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| CN201607396U (en) * | 2010-01-14 | 2010-10-13 | 宝山钢铁股份有限公司 | Detecting device of continuous cast slab surface scratches |
| CN202013320U (en) * | 2011-03-09 | 2011-10-19 | 长沙湘鸿仪器机械有限公司 | On-line grain detector for enameled wire |
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| US2345415A (en) * | 1943-08-04 | 1944-03-28 | Jr Andrew Nagy | Automatic stop for belt conveyers |
| US6131727A (en) * | 1998-06-10 | 2000-10-17 | Nelson; David W. | Conveyor belt monitor |
| JP2000084626A (en) * | 1998-09-11 | 2000-03-28 | Matsushita Electronics Industry Corp | Method and device for deformation defect inspection of hoop |
| JP2001033380A (en) * | 1999-07-22 | 2001-02-09 | Fujikura Ltd | Device for detecting surface projection defect of material of continuous length |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106925615A (en) * | 2015-12-31 | 2017-07-07 | 上海金艺检测技术有限公司 | For the automatic detection device of Thin Strip Steel fold |
| CN107309545A (en) * | 2017-07-10 | 2017-11-03 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling centering camera with head and tail of laser welding machine |
| CN107309545B (en) * | 2017-07-10 | 2019-04-12 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling centering camera with head and tail of laser welding machine |
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