CN204353208U - A kind of laser displacement induction installation for roll mill - Google Patents
A kind of laser displacement induction installation for roll mill Download PDFInfo
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- CN204353208U CN204353208U CN201420841080.9U CN201420841080U CN204353208U CN 204353208 U CN204353208 U CN 204353208U CN 201420841080 U CN201420841080 U CN 201420841080U CN 204353208 U CN204353208 U CN 204353208U
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Abstract
The utility model is a kind of laser displacement induction installation for roll mill, comprise the two cover laser thickness gauge assemblies being arranged at both sides before and after roll respectively, described laser thickness gauge assembly carries out bidirectional ranging from roll line both sides to band, and described two cover laser thickness gauge assemblies are electrically connected with the computer maincenter of described roll mill.The utility model, by the band thickness measurement with laser of rolling position both sides, can carry out accurate feedback in time to the varied in thickness of band, and Measure Precision can reach ± and 0.01 μm, dynamically be better than ± 0.015%, sampling time is less than 0.5ms, detection range 0 ~ 30mm, detects response frequency 14100HZ.
Description
Technical field
The utility model relates to roll mill technical field, particularly a kind of laser displacement induction installation for roll mill.
Background technology
Flexible rolling refers to and structure property vehicle air-conditioning technology is applied to the operation of rolling, the product of different performance is produced with the blank of same composition, simplify operation and the management of steelmaking and continuous casting, utilize the large-scale customization of the control realization Rolling Production to steel performance flexibility.Be characterized in can significantly reducing production process cost, simplifying operation and the management of steelmaking and continuous casting, is the development trend of following iron and steel production technology.
Flexible rolling process can be used for the metal tape producing thickness periodically-varied.The strip material of rolling is originally rolled through feeding roller and is sent, strip material after rolling changes up and down with tension power and carries out Stress Release, then enter roll shop building with the attitude of opposed flattened to be rolled, and then be delivered on rewinding reel through rewinding rolling roller.Respective to send, rewinding rolling system can commutate, after certain sequential processes, band becomes the thin material coiled material having different wall or change with necessary geometry.The change relative to original thickness 50% may be there is in band after the rolling of roll, can cause this change by the travelling speed of tensile force during change rolling and band, this just needs by the thickness of Real-Time Monitoring band turnover roll is according to carrying out process control.But the measuring thickness device of roll mill cannot reach very high certainty of measurement and response speed in prior art, and it is to the unable support of angularity (camber) information, and this can cause the needs that cannot meet some high-accuracy products on thickness, template.
Therefore, be necessary to provide a kind of new measuring thickness device to solve the problems referred to above.
Utility model content
Main purpose of the present utility model is to provide a kind of laser displacement induction installation for roll mill.
The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of laser displacement induction installation for roll mill, comprise the two cover laser thickness gauge assemblies being arranged at both sides before and after roll respectively, described laser thickness gauge assembly carries out bidirectional ranging from roll line both sides to band, and described two cover laser thickness gauge assemblies are electrically connected with the computer maincenter of described roll mill.
Concrete, the described laser thickness gauge assembly that often overlaps comprises two couples, four laser thickness gauges measuring band thickness of two sides, and two lateral extents of band same position measured by often pair of laser thickness gauge.
Concrete, described laser thickness gauge comprises along the laser generator of roll line normal direction Emission Lasers, optical axis and roll line normal direction photoreceiver at an angle and the imaging len arranged perpendicular to described optical axis.
Concrete, described two cover laser thickness gauge modular constructions are symmetrical.
Compared with prior art, the utility model is for the beneficial effect of the laser displacement induction installation of roll mill:
1, by the band thickness measurement with laser of roll both sides, in time accurate feedback can be carried out to the varied in thickness of band, Measure Precision can reach ± and 0.01 μm;
2, band same position both sides laser thickness gauge can utilize the distance to strip surface collected to calculate monolateral tolerance and the curve difference of thickness of strip, to provide band about the detection data of thickness uniformity and angularity (camber);
3, photoreceiver can utilize the laser generator hot spot be incident upon on band to carry out the detection of image space, then converses the distance of laser generator to strip surface;
4, corresponding before and after the two symmetrical positions can guaranteeing to detect of cover laser thickness gauge modular construction.
Accompanying drawing explanation
Fig. 1 is the partial perspective view of the utility model for the laser displacement induction installation of roll mill;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is thickness measurement with laser schematic diagram.
Numeral in figure:
1-laser thickness gauge assembly, 11a-laser thickness gauge (upper left), 11b-laser thickness gauge (lower-left), 11c-laser thickness gauge (upper right), 11d-laser thickness gauge (bottom right), 111-generating laser, 112-imaging len, 113-photoreceiver, 2-roll, 3-band, 4-roll line.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of laser displacement induction installation for roll mill of the present utility model, comprise the symmetrically arranged two cover laser thickness gauge assemblies 1 of structure on two sides before and after difference band 3 rolling position, laser thickness gauge assembly 1 carries out bidirectional ranging from roll line 4 both sides to band 3, and two cover laser thickness gauge assemblies 1 are electrically connected with the computer maincenter of roll mill.Often overlap laser thickness gauge assembly 1 and comprise two couples four laser thickness gauges 11a, 11b, 11c, 11d of measuring band 3 thickness of two sides, two lateral extents of band 3 same position measured by the often pair of laser thickness gauge (11a to 11b or 11c to 11d).Laser thickness gauge assembly 1 calculates monolateral tolerance and the curve difference of band 3 thickness by the range information collecting band 3 both sides, and result is converted into the signal of telecommunication flows to computer maincenter, computer maincenter adjusts the rocking tendency of draught pressure and rocking equipment in real time according to the signal of telecommunication be subject to.
As shown in Figure 2, have a thickness C for definition between relative laser thickness gauge (11a to 11b or 11c to 11d), each laser thickness gauge can record from each generating laser 111 to the distance on band 3 surface, then have:
Band 3 left thickness:
i=C-A-B
Band 3 right thickness:
i '=C-A '-B '
In formula:
A---laser thickness gauge 11a is to band 3 distance
B---laser thickness gauge 11b is to band 3 distance
A '---laser thickness gauge 11c is to band 3 distance
B '---laser thickness gauge 11d is to band 3 distance
The monolateral tolerance of band 3:
n=I-I '
Band 3 curve difference:
The monolateral tolerance of band 3 can characterize the thickness uniformity of band 3, and the curve difference of band 3 can characterize the angularity (camber) of band 3.
As shown in Figure 3, laser thickness gauge comprises along the laser generator of roll line normal direction Emission Lasers, optical axis and roll line normal direction photoreceiver at an angle and the imaging len arranged perpendicular to described optical axis.The Photometry principle of laser thickness gauge is that the laser beam that generating laser 111 penetrates produces speck on measured object, speck scattering and the light therethrough imaging len 112 gone out projects on photoreceiver 113 screen, H is that generating laser 111 light path of launching and photoreceiver 113 optical axes crosspoint are to the distance of generating laser 111, with this intersection point for reference position, when measured object surface is through intersection point, the image space of speck on photoreceiver 113 is O point, when the surperficial distance along laser of measured object and intersection point gap are Δ H, image space is X to O point distance.The principle of triangulation displacement is utilized to have:
①
②
In formula:
The interior angle angle of the light path that α---generating laser 111 is launched and photoreceiver 113 optical axis
θ---actual speck position and image space line are with angle angle in photoreceiver 113 optical axis
L---speck normal place is to the distance of imaging len 112
L '---imaging standards position is to the distance of imaging len 112
Simultaneous 1. 2. abbreviation obtain:
.
Therefore, measure distance, delta H and the θ obtained to have nothing to do, and α, L, L ' these three parameters are definable system structure parameters, so Δ H is only relevant to this variable of X, Δ H can be monitored by the numerical value of X and corresponding sequential operation, corresponding laser thickness gauge is calculated by H+ Δ H and obtains A, B, A respectively ', the distance that refers to of B ', then judge monolateral tolerance and the curve difference of band 3.
The speck produced due to laser is very little, and reaction is fast, and therefore, each positional distance estimation precision is high, even can reach ± 0.01 μm, be dynamically better than ± 0.015%, the sampling time is less than 0.5ms, detection range 0 ~ 30mm, detects response frequency 14100HZ.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. the laser displacement induction installation for roll mill, it is characterized in that: comprise the two cover laser thickness gauge assemblies being arranged at both sides before and after roll respectively, described laser thickness gauge assembly carries out bidirectional ranging from roll line both sides to band, and described two cover laser thickness gauge assemblies are electrically connected with the computer maincenter of described roll mill.
2. the laser displacement induction installation for roll mill according to claim 1, it is characterized in that: the described laser thickness gauge assembly that often overlaps comprises two couples, four laser thickness gauges measuring band thickness of two sides, and two lateral extents of band same position measured by often pair of laser thickness gauge.
3. the laser displacement induction installation for roll mill according to claim 2, is characterized in that: described laser thickness gauge comprises along the laser generator of roll line normal direction Emission Lasers, optical axis and roll line normal direction photoreceiver at an angle and the imaging len arranged perpendicular to described optical axis.
4. the laser displacement induction installation for roll mill according to claim 3, is characterized in that: described two cover laser thickness gauge modular constructions are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841080.9U CN204353208U (en) | 2014-12-27 | 2014-12-27 | A kind of laser displacement induction installation for roll mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841080.9U CN204353208U (en) | 2014-12-27 | 2014-12-27 | A kind of laser displacement induction installation for roll mill |
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| Publication Number | Publication Date |
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| CN204353208U true CN204353208U (en) | 2015-05-27 |
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| CN201420841080.9U Active CN204353208U (en) | 2014-12-27 | 2014-12-27 | A kind of laser displacement induction installation for roll mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492828A (en) * | 2014-12-27 | 2015-04-08 | 陆余圣 | Laser displacement induction device for rolling machine and using method of laser displacement induction device |
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2014
- 2014-12-27 CN CN201420841080.9U patent/CN204353208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492828A (en) * | 2014-12-27 | 2015-04-08 | 陆余圣 | Laser displacement induction device for rolling machine and using method of laser displacement induction device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160421 Address after: 225300 No. 186 Lingang Avenue, Taizhou high port area, Jiangsu Patentee after: JIANGSU LIGHTING MATERIAL CO., LTD. Address before: 225309 Jiangsu Province, Taizhou City Hailing District Youth Road Yihe Garden 4 Building 203 room Patentee before: Lu Yusheng |