CN204479437U - Plate surface measuring of oil film device - Google Patents
Plate surface measuring of oil film device Download PDFInfo
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- CN204479437U CN204479437U CN201520126362.5U CN201520126362U CN204479437U CN 204479437 U CN204479437 U CN 204479437U CN 201520126362 U CN201520126362 U CN 201520126362U CN 204479437 U CN204479437 U CN 204479437U
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Abstract
The utility model discloses plate surface measuring of oil film device, measurement mechanism comprises rinse bath, sample fixed cell, surface tension instrument, platinum plate and oil film scraper plate; Rinse bath comprises the first area and second area that are interconnected, and sample fixed cell is positioned at the top of first area and can carries out elevating movement; Surface tension instrument is positioned at the top of first area; Platinum plate is arranged in surface tension instrument; Its beneficial effect is, when in use, can pile cleaning fluid in the middle of rinse bath, sample is done in the middle of cleaning fluid the submergence operation of several times, thus is washed down by the oil in the middle of sample.Calculate the area of whole oil film, finally calculate oil film amount according to formula a-b*d/f, wherein, a is fixed coefficient 102.0, b be fixed coefficient 0.165625, d is the distance of oil film scraper plate to rinse bath end, and f is the surface tension size that tensiometer is measured.
Description
Technical field
The utility model is established and a kind of measurement mechanism, particularly relates to a kind of plate surface measuring of oil film device.
Background technology
Sheet metal is when making, preserving, and usually all need to be coated with last layer oil film on the surface of sheet metal, but the coating of oil film needs a standard, oil film coated weight is too large, then the waste of oil mass is too large.And the surface of plate plate can form a large amount of oil stains.Greasy coated weight is too little, then the surface of sheet material may occur applying uneven situation.
Be coated with oil mass and not only directly affect product quality, and affect the actual use of user.Too low painting oil mass can affect product and wipe scuffing defect incidence on production, shearing and transportation surface; Too high painting oil mass easily improves " oil mark " defect incidence of product surface, even reduces paint tack during japanning.Therefore, the oil film thickness in strict production control process has important practical significance, so sheet material measurement sea surface oil slick amount size becomes a realistic problem.
Mostly the method for current mensuration sheet material sea surface oil slick is ellipsograph analytic approach, and the method is a kind of basic analyzing method of analytical chemistry.The principle of application is that, if there is the transparent thin-films such as oil film at sheet metal surface, when being subject to the irradiation of linear polarization, its reflected light just becomes elliptical polarized light.This method utilizes the principle being coated with and there is proportionate relationship between oil mass and ellipticity, use ellipsograph, obtain the elliptical polarized light angle (θ 1) under painting oil condition and the elliptical polarized light angle (θ 2) after degreasing, obtain the elliptical polarized light angular difference (Δ θ) before and after degreasing, thus obtain painting oil mass.
Existing method Problems existing is: the state of the power of reflected light and orientation angle and reflecting surface has much relations, if reflecting surface roughness is larger, causes the data that record less.But different sheet metals, its rough surface program is different, and this is larger to the interference effect of ellipsograph.So traditional measuring method does not have versatility.
Utility model content
It is one or more that the purpose of this utility model is to solve the problem.
The utility model provides plate surface measuring of oil film device, and it comprises rinse bath, sample fixed cell, surface tension instrument, platinum plate and oil film scraper plate;
Rinse bath is in being horizontally disposed with, and rinse bath comprises the first area and second area that are interconnected, and the area of second area is less than the area of first area;
Sample fixed cell is positioned at the top of first area and can carries out elevating movement;
Surface tension instrument is positioned at the top of first area;
Platinum plate is arranged in surface tension instrument, in catenary, and can contact with the cleaning fluid in rinse bath;
Oil film scraper plate is positioned at one end of first area, and oil film scraper plate can move along the edge of first area to second area.
Its beneficial effect is, when in use, can pile cleaning fluid in the middle of rinse bath, cleaning fluid adopts clear water usually, or other also can be adopted grease can be washed the liquid got off in the middle of sample.Board samples can be fixed by sample fixed cell, then move up and down, in the middle of cleaning fluid, do the submergence operation of several times by sample, thus the oil in the middle of sample is washed down.
Simultaneously because sample fixed cell is positioned at above first area, so when oil washes down time, be first spread apart at the cleaning liquid level of first area to form oil film.When oil film scraper plate moves from one end of first area towards second area direction time, oil film will move to first area, in time gathering oil film in first area, surface tension instrument will sense the capillary change of cleaning fluid by platinum plate, now oil film scraper plate stop motion, calculates the area of whole oil film.Conveniently calculate the area of oil film, corresponding scale can be set on the edge of rinse bath, oil film scraper plate be arranged to the edge of rinse bath perpendicular simultaneously.Finally calculate oil film amount according to formula a-b*d/f, wherein, a is fixed coefficient 102.0, b be fixed coefficient 0.165625, d is the distance of oil film scraper plate to rinse bath end, and f is the surface tension size that tensiometer is measured.
In some embodiments, sample fixed cell is connected to driving element, and driving element is fixed on support, and driving element drives sample fixed cell to move up and down.Its beneficial effect is, sample driving element of the present utility model can be electric cylinder, hydraulic cylinder or cylinder, mainly can realize the elevating movement of sample fixed cell.
In some embodiments, sample fixed cell comprises connecting link and sucker, and sucker is fixed on connecting link, and connecting link is connected with driving element, and sucker is used for being connected with a surface of board samples.Its beneficial effect is, when sheet material only has one side to need to be coated with oil condition, then only needs sheet material measurement to be coated with the oil film amount of pasta.Sucker can adopt circular magnetic chuck, and simultaneously the size of sucker and material plate sample match, and namely board samples also needs to be arranged to disc-shaped.Now, sucker well can fix board samples by pull of vacuum on the one hand, and on the other hand, because the size of sucker matches with sample, namely sucker can cover the one side that sample does not have oiling completely, and only the one side of oiling is exposed.Oil is stained with because of the problem that sample does not have the one side of oiling likely can spill because of the problem or oil droplet being coated with accuracy yet.If sample can be had the one side of oiling cover completely, then the possibility of result finally measuring oil film produces error.
In some embodiments, sample fixed cell comprises connecting link and magnet, and magnet is fixed on connecting link, and connecting link is connected with driving driving element, and magnet is used for attracting mutually with board samples.Its beneficial effect is, when the two sides of sheet material all needs to be coated with oil condition, then needs the oil film amount on sheet material measurement two sides simultaneously.So just sample can be held from the side of board samples by magnet, namely the oil on sample two sides all can be washed down when cleaning.Simultaneously conveniently sample is fixing, and can also arrange a groove on magnet, the width of groove and the thickness of sample match, thus can ensure that sample is better fixed.
In some embodiments, also comprise cleaning fluid supply system, cleaning fluid supply system comprises clean unit, heated at constant temperature unit and the pump housing.Cleaning fluid is purified by clean unit and after being heated by heated at constant temperature unit, then is fed in the middle of rinse bath via the pump housing.Its beneficial effect is, first by clean unit, can dispose the oil that may exist in the middle of cleaning fluid in advance.In addition, cleaning fluid can be heated to certain temperature by heated at constant temperature unit.Because the cleaning fluid of tepid state, more oil stain removing ability can be realized, thus can be more convenient and wash down more completely by the oil on sample.
In some embodiments, the bottom of rinse bath is arranged with accommodation hole, accommodation hole can hold board samples and be inserted in accommodation hole, the bottom of accommodation hole is provided with tapping valve, the cleaning fluid of cleaning fluid supply system supply is sent in accommodation hole by pipeline, and cleaning fluid diffuses out and flows full whole rinse bath in the middle of accommodation hole.Its beneficial effect is, after arranging accommodation hole, sample can be facilitated to submerge completely in the middle of cleaning fluid, and it is comparatively dark that such rinse bath just only needs to arrange in accommodation hole position, and other position arranges more shallow.If otherwise need to allow sample submerge completely in cleaning fluid, just need rinse bath whole installation to become very dark.After tapping valve is set, easily can drain the cleaning fluid in rinse bath.
In some embodiments, also comprise motor, screw mandrel and slide block, screw mandrel parallels setting with rinse bath, and motor drives screw mandrel to rotate, and screw mandrel rotating band movable slider moves, slide block is fixedly connected with bracing frame, bracing frame takes the shape of the letter U structure, and be respectively equipped with linear bearing bottom the both sides of bracing frame, linear bearing is fixed on slide bar, slide bar is provided with two altogether, and slide bar parallels with screw mandrel.Its beneficial effect is, after arranging motor, screw mandrel and slide block, can realize the Linear-moving of bracing frame.After slide bar is set, the tracks of whole bracing frame can be ensured simultaneously, prevent it from occurring skew.
In some embodiments, the top, two ends of bracing frame is provided with support cut, and the two ends of oil film scraper plate are located on support cut, and the level height of support cut is lower than the level height at rinse bath top.Its beneficial effect is, because all can there be certain surface tension on the surface of liquid, so the surface of cleaning fluid can exceed the edge certain altitude of rinse bath, namely the height of oil film is higher than the height of rinse bath.So oil film scraper plate needs to be arranged on above bracing frame, tempered oil film scraper plate slightly higher than rinse bath, namely will can ensure that oil film scraper plate is in the middle of the process of advancing, and can only scrape the oil film on cleaning fluid surface simultaneously.
The utility model additionally provides a kind of method of plate surface measuring of oil film, it is characterized in that, comprises the steps:
A sample is cut out in the middle of sheet material to be measured;
Sample is fixed in the middle of sample fixing device;
Cleaning fluid purifies through clean unit and is heated between 30 degree to 40 degree by heated at constant temperature unit, is fed in the middle of rinse bath via the pump housing;
Be inserted into by sample in the middle of accommodation hole, sample is submerged completely in the middle of cleaning fluid, and the number of times submerged is at least once;
Oil on sample washes down by cleaning fluid, and oil becomes unimolecular film in the surface diffusion of the cleaning fluid of first area;
Mobile oil film scraper plate, the oil film on cleaning fluid surface, first area scrapes by oil film scraper plate, and oil film is moved to second area;
When being covered with oil film in second area, the surface tension that surface tension instrument is measured changes, the stop motion of oil film scraper plate;
Calculate oil film amount according to formula a-b*d/f, wherein, a is fixed coefficient 102.0, b be fixed coefficient 0.165625, d is the distance of oil film scraper plate to rinse bath end, and f is the surface tension size that tensiometer is measured.
Its beneficial effect, method of the present utility model relative to traditional ellipsograph analytic approach, method highly versatile of the present utility model.For different sheet metals, there is very strong versatility.Meanwhile, the number of times that sample submerges in the middle of cleaning fluid as far as possible repeatedly because can fully the oil in the middle of sample be washed down like this.
In some embodiments, also comprise the steps: before sample being inserted into the step in the middle of accommodation hole
Detect the step whether having oil in cleaning fluid: be that catenary is hung in surface tension instrument by platinum plate, and make platinum plate insert in cleaning fluid, mobile oil film scraper plate was scraped from the surface of cleaning fluid, the surface liquid level of first area cleaning fluid is moved, until oil film scraper plate arrives the junction of first area and second area to second area;
The surface tension measured when surface tension instrument changes, then have oil in the middle of cleaning fluid;
The surface tension measured when surface tension instrument does not change, then nothing oil in the middle of cleaning fluid.
Its beneficial effect is, detects in the middle of cleaning fluid whether have oil in advance, can prevent because when originally just having oil in the middle of cleaning fluid, the measuring result error caused.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plate surface measuring of oil film device of the utility model one embodiment;
Fig. 2 is the cross section structure schematic diagram of the plate surface measuring of oil film device of the utility model one embodiment;
Fig. 3 is the structural representation of the rinse bath of the plate surface measuring of oil film device of the utility model one embodiment;
Fig. 4 is the structural representation of the sample fixed cell of the plate surface measuring of oil film device of the utility model one embodiment;
Fig. 5 is the structural representation of the plate surface measuring of oil film device of the another embodiment of the utility model;
Fig. 6 is the structural representation of the sample fixed cell of the plate surface measuring of oil film device of the another embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing 1 to 6 and embodiment, plate surface measuring of oil film device of the present utility model itself and method are described further.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, disclose a kind of plate surface measuring of oil film device, it comprises rinse bath 1, sample fixed cell 2, surface tension instrument 3, platinum plate 4 and oil film scraper plate 5;
As shown in Figure 3, rinse bath 1 is in being horizontally disposed with, and rinse bath 1 comprises the first area 11 and second area 12 that are interconnected, and the area of second area 12 is less than the area of first area 11;
Sample fixed cell 2 is positioned at the top of first area 11 and can carries out elevating movement;
Surface tension instrument 3 is positioned at the top of first area 11;
Platinum plate 4 is arranged in surface tension instrument 3, in catenary, and can contact with the cleaning fluid in rinse bath 1;
Oil film scraper plate 5 is positioned at one end of first area 11, and oil film scraper plate 5 can move along the edge of first area 11 to second area 12.
When in use, can pile cleaning fluid in the middle of rinse bath 1, cleaning fluid adopts clear water usually, or other also can be adopted grease can be washed the liquid got off in the middle of sample.Board samples can be fixed by sample fixed cell 2, then move up and down, in the middle of cleaning fluid, do the submergence operation of several times by sample, thus the oil in the middle of sample is washed down.
Meanwhile, as shown in Figure 1, because sample fixed cell 2 is positioned at above first area 11, so when oil washes down time, be first spread apart at the cleaning liquid level of first area 11 to form oil film.When oil film scraper plate 5 moves from one end of first area 11 towards second area 12 direction time, oil film will move to first area 11, in time gathering oil film in first area 11, surface tension instrument 3 will sense the capillary change of cleaning fluid by platinum plate 4, now oil film scraper plate 5 stop motion, calculates the area of whole oil film.Conveniently calculate the area of oil film, corresponding scale can be set on the edge of rinse bath 1, oil film scraper plate 5 be arranged to the edge of rinse bath 1 perpendicular simultaneously.Finally calculate oil film amount according to formula a-b*d/f, wherein, a is fixed coefficient 102.0, b be fixed coefficient 0.165625, d is the distance of oil film scraper plate to rinse bath end, and f is the surface tension size that tensiometer is measured.
Wherein, sample fixed cell 2 is connected to driving element 6, and driving element 6 is fixed on support 24, and driving element 6 drives sample fixed cell 2 to move up and down.Its beneficial effect is, sample driving element 6 of the present utility model can be electric cylinder, hydraulic cylinder or cylinder, mainly can realize the elevating movement of sample fixed cell 2.
As shown in Figure 4, the sample fixed cell 2 of a kind of embodiment of the utility model comprises connecting link 21 and sucker 22, and sucker 22 is fixed on connecting link 21, and connecting link 21 is connected with driving element 6, and sucker 22 is for being connected with a surface of board samples.Its beneficial effect is, when sheet material only has one side to need to be coated with oil condition, then only needs sheet material measurement to be coated with the oil film amount of pasta.Sucker 22 can adopt circular magnetic chuck 22, and simultaneously the size of sucker 22 and material plate sample match, and namely board samples also needs to be arranged to disc-shaped.Now, board samples well can be fixed by pull of vacuum in sucker 22 1 aspect, on the other hand, because the size of sucker 22 matches with sample, namely sucker 22 can cover the one side that sample does not have oiling completely, and only the one side of oiling is exposed.Oil is stained with because of the problem that sample does not have the one side of oiling likely can spill because of the problem or oil droplet being coated with accuracy yet.If sample can be had the one side of oiling cover completely, then the possibility of result finally measuring oil film produces error.
As shown in Figure 5 and Figure 6, the sample fixed cell 2 of another embodiment of the utility model comprises connecting link 21 and magnet 23, and magnet 23 is fixed on connecting link 21, and connecting link 21 is connected with driving driving element, and magnet 23 is for attracting mutually with board samples.Its beneficial effect is, when the two sides of sheet material all needs to be coated with oil condition, then needs the oil film amount on sheet material measurement two sides simultaneously.So just sample can be held from the side of board samples by magnet 23, namely the oil on sample two sides all can be washed down when cleaning.Simultaneously conveniently sample is fixing, and can also arrange a groove 25 on magnet 23, the width of groove 25 and the thickness of sample match, thus can ensure that sample is better fixed.
Meanwhile, as shown in Figure 1 and Figure 5, the utility model also comprises cleaning fluid supply system 7, and cleaning fluid supply system 7 comprises clean unit 71, heated at constant temperature unit 72 and the pump housing 73.Cleaning fluid is purified by clean unit 71 and after being heated by heated at constant temperature unit 72, then is fed in the middle of rinse bath 1 via the pump housing 73.Its beneficial effect is, first by clean unit 71, can dispose the oil that may exist in the middle of cleaning fluid in advance.In addition, cleaning fluid can be heated to certain temperature by heated at constant temperature unit.Because the cleaning fluid of tepid state, more oil stain removing ability can be realized, thus can be more convenient and wash down more completely by the oil on sample.
Wherein, the bottom of rinse bath 1 is arranged with accommodation hole 13, accommodation hole 13 can hold board samples and be inserted in accommodation hole 13, the bottom of accommodation hole 13 is provided with tapping valve 14, the cleaning fluid that cleaning fluid supply system 7 is supplied is sent in accommodation hole 13 by pipeline, and cleaning fluid diffuses out and flows full whole rinse bath 1 in the middle of accommodation hole 13.Its beneficial effect is, after arranging accommodation hole 13, sample can be facilitated to submerge completely in the middle of cleaning fluid, and it is comparatively dark that such rinse bath 1 just only needs to arrange in accommodation hole 13 position, and other position arranges more shallow.If otherwise need to allow sample submerge completely in cleaning fluid, just need rinse bath 1 whole installation to become very dark.After tapping valve 14 is set, easily can drain the cleaning fluid in rinse bath 1.
Simultaneously, as shown in Figure 2, the utility model also comprises motor 81, screw mandrel 82 and slide block 83, and screw mandrel 82 parallels setting with rinse bath 1, motor 81 drives screw mandrel 82 to rotate, screw mandrel 82 rotating band movable slider 83 moves, and slide block 83 is fixedly connected with bracing frame 84, and bracing frame 84 takes the shape of the letter U structure, linear bearing 85 is respectively equipped with bottom the both sides of bracing frame 84, linear bearing 85 is fixed on slide bar 86, and slide bar 86 is provided with two altogether, and slide bar 86 parallels with screw mandrel 82.Its beneficial effect is, after arranging motor 81, screw mandrel 82 and slide block 83, can realize the Linear-moving of bracing frame 84.After slide bar 86 is set, the tracks of whole bracing frame 84 can be ensured simultaneously, prevent it from occurring skew.
Be provided with support cut 87 at the top, two ends of bracing frame 84, the two ends of oil film scraper plate 5 are located on support cut 87, and the level height of support cut 87 is lower than the level height at rinse bath 1 top.Its beneficial effect is, because all can there be certain surface tension on the surface of liquid, so the surface of cleaning fluid can exceed the edge certain altitude of rinse bath 1, namely the height of oil film is higher than the height of rinse bath 1.So oil film scraper plate 5 needs to be arranged on above bracing frame 84, tempered oil film scraper plate 5 slightly higher than rinse bath 1, namely will can ensure that oil film scraper plate 5 is in the middle of the process of advancing, and can only scrape the oil film on cleaning fluid surface simultaneously.
The utility model additionally provides a kind of method of plate surface measuring of oil film, it is characterized in that, comprises the steps:
A sample is cut out in the middle of sheet material to be measured;
Sample is fixed in the middle of sample fixing device;
Cleaning fluid purifies through clean unit 71 and is heated between 30 degree to 40 degree by heated at constant temperature unit 72, is fed in the middle of rinse bath 1 via the pump housing 73;
Be inserted into by sample in the middle of accommodation hole 13, sample is submerged completely in the middle of cleaning fluid, and the number of times submerged is at least once;
Oil on sample washes down by cleaning fluid, and oil becomes unimolecular film in the surface diffusion of the cleaning fluid of first area 11;
Mobile oil film scraper plate 5, the oil film on cleaning fluid surface, first area 11 scrapes by oil film scraper plate 5, and oil film is moved to second area 12;
When being covered with oil film in second area 12, the surface tension that surface tension instrument 3 is measured changes, oil film scraper plate 5 stop motion;
Calculate oil film amount according to formula a-b*d/f, wherein, a is fixed coefficient 102.0, b be fixed coefficient 0.165625, d is the distance of oil film scraper plate to rinse bath end, and f is the surface tension size that tensiometer is measured.
Its beneficial effect, method of the present utility model relative to traditional ellipsograph analytic approach, method highly versatile of the present utility model.For different sheet metals, there is very strong versatility.Meanwhile, the number of times that sample submerges in the middle of cleaning fluid as far as possible repeatedly because can fully the oil in the middle of sample be washed down like this.
In some embodiments, also comprise the steps: before sample being inserted into the step in the middle of accommodation hole 13
Detect in cleaning fluid and whether have the step of oil: platinum plate 4 is hung in surface tension instrument 3 in catenary, and make platinum plate 4 insert in cleaning fluid, mobile oil film scraper plate 5 was scraped from the surface of cleaning fluid, the surface liquid level of first area 11 cleaning fluid is moved, until oil film scraper plate 5 arrives the junction of first area 11 and second area 12 to second area 12;
The surface tension measured when surface tension instrument 3 changes, then have oil in the middle of cleaning fluid;
The surface tension measured when surface tension instrument 3 does not change, then nothing oil in the middle of cleaning fluid.
Its beneficial effect is, detects in the middle of cleaning fluid whether have oil in advance, can prevent because when originally just having oil in the middle of cleaning fluid, the measuring result error caused.
Above 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 (8)
1. plate surface measuring of oil film device, is characterized in that, comprises rinse bath, sample fixed cell, surface tension instrument, platinum plate and oil film scraper plate;
Described rinse bath is in being horizontally disposed with, and described rinse bath comprises the first area and second area that are interconnected, and the area of described second area is less than the area of described first area;
Described sample fixed cell is positioned at the top of described first area and can carries out elevating movement;
Described surface tension instrument is positioned at the top of described first area;
Described platinum plate is arranged in described surface tension instrument, in catenary, and can contact with the cleaning fluid in rinse bath;
Described oil film scraper plate is positioned at one end of described first area, and described oil film scraper plate can move along the edge of described first area to described second area.
2. plate surface measuring of oil film device according to claim 1, is characterized in that, described sample fixed cell is connected to driving element, and described driving element is fixed on support, and described driving element drives described sample fixed cell to move up and down.
3. plate surface measuring of oil film device according to claim 2, it is characterized in that, described sample fixed cell comprises connecting link and sucker, described sucker is fixed on connecting link, described connecting link is connected with described driving element, and described sucker is used for being connected with a surface of board samples.
4. plate surface measuring of oil film device according to claim 2, it is characterized in that, described sample fixed cell comprises connecting link and magnet, and described magnet is fixed on connecting link, described connecting link is connected with described driving element, and described magnet is used for attracting mutually with board samples.
5. plate surface measuring of oil film device according to any one of claim 1 to 4, it is characterized in that, also comprise cleaning fluid supply system, described cleaning fluid supply system comprises clean unit, heated at constant temperature unit and the pump housing, described cleaning fluid is purified by clean unit and after being heated by heated at constant temperature unit, then is fed in the middle of rinse bath via the pump housing.
6. plate surface measuring of oil film device according to claim 5, it is characterized in that, the bottom of described rinse bath is arranged with accommodation hole, described accommodation hole can hold board samples and be inserted in accommodation hole, the bottom of described accommodation hole is provided with tapping valve, the cleaning fluid of described cleaning fluid supply system supply is sent in accommodation hole by pipeline, and cleaning fluid diffuses out and flows full whole rinse bath in the middle of accommodation hole.
7. plate surface measuring of oil film device according to claim 1, it is characterized in that, also comprise motor, screw mandrel and slide block, described screw mandrel parallels setting with described rinse bath, described motor drives described screw mandrel to rotate, described screw mandrel rotates and drives described slide block to move, described slide block is fixedly connected with bracing frame, support frame as described above takes the shape of the letter U structure, linear bearing is respectively equipped with bottom the both sides of bracing frame, described linear bearing is fixed on slide bar, and described slide bar is provided with two altogether, and described slide bar parallels with described screw mandrel.
8. plate surface measuring of oil film device according to claim 7, it is characterized in that, the top, two ends of support frame as described above is provided with support cut, and the two ends of described oil film scraper plate are located on described support cut, and the level height of described support cut is lower than the level height at described rinse bath top.
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| CN201520126362.5U CN204479437U (en) | 2015-03-04 | 2015-03-04 | Plate surface measuring of oil film device |
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| CN201520126362.5U CN204479437U (en) | 2015-03-04 | 2015-03-04 | Plate surface measuring of oil film device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677784A (en) * | 2015-03-04 | 2015-06-03 | 苏州创恩机械设备有限公司 | Plate surface oil film measurement device and method adopting same |
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2015
- 2015-03-04 CN CN201520126362.5U patent/CN204479437U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677784A (en) * | 2015-03-04 | 2015-06-03 | 苏州创恩机械设备有限公司 | Plate surface oil film measurement device and method adopting same |
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Granted publication date: 20150715 Effective date of abandoning: 20170531 |
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