CN210441843U - Device for measuring thickness of oil film on surface of strip steel on line - Google Patents
Device for measuring thickness of oil film on surface of strip steel on line Download PDFInfo
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- CN210441843U CN210441843U CN201921366011.6U CN201921366011U CN210441843U CN 210441843 U CN210441843 U CN 210441843U CN 201921366011 U CN201921366011 U CN 201921366011U CN 210441843 U CN210441843 U CN 210441843U
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Abstract
A device for measuring the thickness of an oil film on the surface of a strip steel on line belongs to the technical field of cold-rolled strip steel on-line monitoring equipment and is used for measuring the thickness of the oil film on the surface of the strip steel on line. The technical scheme is as follows: the oil taking plate is a planar steel plate, the material of the steel plate is the same as that of the strip steel, the width of the oil taking plate is smaller than that of the strip steel, the length of the oil taking plate is larger than that of the strip steel, the area of the oil taking plate is a known determined value, the oil taking plate is placed on the surface of the strip steel, the sealing cover is rectangular, the oil taking plate is coated with oil and then covers the sealing cover, and a gap is reserved between the bottom surface of the sealing cover and the upper surface of the oil taking plate. And placing the weighed oil taking plate on the strip steel, taking out the oil taking plate after the oil taking plate passes through an oiling machine along with the strip steel, weighing by using the high-precision balance again, and finally calculating the actual oil coating amount on the upper surface of the strip steel by using a formula. The utility model discloses can the on-line measuring belted steel fat liquoring state at any moment, it is fast to detect, need not take a sample on line, can detect the upper surface and the lower surface of belted steel respectively, and measuring result is accurate.
Description
Technical Field
The utility model relates to a device of on-line measuring belted steel surface oil film thickness belongs to cold-rolled strip steel on-line monitoring equipment technical field.
Background
After the cold-rolled strip steel is oiled, the online accurate oil film thickness measurement is a world problem. Two methods are used for measuring the thickness of an oil film at present;
1. off-line sampling method
After the steel plate is produced, a sample plate is cut from the product, and then the product is transported to a physical laboratory, and the thickness of the surface oil film is measured by a wiping method or an instrument.
The method has the advantages of long measurement period, incapability of being applied in a large scale, damage to an original oil film in the sampling process, inaccuracy in measurement and incapability of measuring the surface coating oil quantity of the strip steel.
2. In the on-line instrument measurement method,
and (3) calibrating and measuring the roughness and the color reflectance of the surface to be sampled, wherein the oil film thickness is measured by adopting a weighing method, and then an online instrument is used for measuring.
The method has the defects of high on-line instrument measurement price, deviation in measurement accuracy and incapability of measuring the thickness of the oil film of the lower surface strip steel.
Chinese patent No. 201410845963.1 discloses a method for measuring the amount of oil applied to a unit area of an aluminum plate, which comprises the following steps: 1) taking at least one aluminum plate sample, and measuring the initial weight A of all the aluminum plate samples; 2) coating oil on the surfaces of all the aluminum plate samples, cleaning the surfaces, and measuring the clean weight B of all the aluminum plate samples after drying; 3) calculating the oil coating amount per unit area of the surface of the aluminum plate sample: w = (A-B) ρ h/B, wherein ρ is the density of the aluminum plate sample; h is the thickness of the aluminum plate sample. The utility model discloses a measuring method of oil mass is scribbled to aluminum plate surface unit area, in the calculation process of oil mass is scribbled to aluminum plate surface unit area, only need measure the initial weight of aluminum plate sample and clean weight, the shape of aluminum plate sample is unrestricted, still can measure polylith aluminum plate sample simultaneously, the average value of oil mass is scribbled to the surface unit area that directly obtains polylith aluminum plate sample, the quantity of aluminum plate sample can be more, measuring precision is higher, measuring result's stability is also better.
However, the method is not an online monitoring method, the sample is required to be intercepted, the sample can only reflect the oil coating state at the moment, and if the oil coating state of the strip steel at different moments in the production process needs to be monitored randomly and continuously, the strip steel sample is required to be intercepted continuously, which obviously cannot be achieved. Meanwhile, the method can only measure the oil coating state of the surface of the sample, and cannot detect the respective states of the upper surface and the lower surface of the strip steel in a distinguishing way, so that the integral oil coating state of the strip steel cannot be clearly reflected. In addition, there is no method of review and inspection for the detection result, and the reliability of the detection result cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a device of on-line measurement belted steel surface oiled film thickness is provided, this kind of measuring device can the on-line measuring belted steel oiled state constantly wantonly in the belted steel production process to can detect the upper surface and the lower surface of belted steel respectively, the testing result can carry out the reinspection, with accuracy and the reliability of guaranteeing the testing result.
The technical scheme for solving the technical problems is as follows:
the utility model provides a device of on-line measurement belted steel surface oil film thickness, it is including getting the oiled plate, high accuracy balance, sealed lid, it is the plane steel sheet to get the oiled plate, the material of steel sheet is the same with the material of belted steel, it is less than the width of belted steel to get the width of oiled plate, it is greater than the width to get the length of oiled plate, it is known definite numerical value to get the area of oiled plate, it places on the belted steel surface to get the oiled plate, sealed lid is the rectangle, it covers sealed lid to get the oiled plate after the oil coating, the bottom surface.
The device for measuring the thickness of the oil film on the surface of the strip steel on line also comprises side baffles and magnets, wherein the side baffles are made of arc-shaped hard plastics and are higher than the oil taking plate, the length of each side baffle is greater than that of the oil taking plate, the two side baffles are respectively and vertically connected with the two sides of the oil taking plate, the upper surface of each magnet is adsorbed on the lower surface of the strip steel, and the oil taking plate is adsorbed below the magnet.
The utility model has the advantages that:
the utility model discloses utilize high accuracy balance to get the oiled-plate and weigh, will get the oiled-plate and put and place on belted steel after weighing, get the oiled-plate and pass through the oiling machine along with belted steel after, stop belted steel, take out and get the oiled-plate, reuse high accuracy balance to weigh, utilize the formula to calculate the actual oil mass of scribbling of belted steel upper surface at last, through measuring in a plurality of different positions, obtain the average oil mass of scribbling; adsorbing the oil taking plate on the lower surface of the strip steel by using a magnet, and measuring the thickness of an oil film on the lower surface of the strip steel by adopting the same steps; and finally, verifying the accuracy of the oil film thickness by calculating the speed of the oil pump.
The utility model discloses a measure belted steel surface oil film thickness's device's initiative, solved the difficult problem that the online quick accurate measurement belted steel surface oil film thickness that does not solve for a long time in the trade and can't measure belted steel lower surface oil film thickness.
The utility model discloses can the on-line measuring belted steel fat liquoring state at will in the belted steel production process to can detect the upper surface and the lower surface of belted steel respectively, the testing result can carry out the reinspection, with accuracy and the reliability of guaranteeing the testing result.
The utility model discloses convenient easy going measures accurate convenience, and detection speed is fast, need not take a sample on line, can shorten check-out time greatly, improves detection efficiency, provides reliable technical support for improving belted steel product quality, has reduced manufacturing cost, has apparent economic benefits, has fabulous popularization prospect in industry.
Drawings
FIG. 1 is an assembly view of the device for measuring the thickness of the oil film on the surface of the strip steel of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of the structure of the oil pickup plate, the side baffle and the magnet;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
FIG. 7 is a schematic view of the seal cap;
FIG. 8 is a side view of FIG. 7;
fig. 9 is a top view of fig. 7.
The figures are labeled as follows: the oil extraction device comprises an oil extraction plate 1, a side baffle 2, a magnet 3 and a sealing cover 4.
Detailed Description
The utility model discloses constitute by getting oiled-plate 1, side shield 2, magnet 3, sealed lid 4 and high accuracy balance.
Fig. 4, 5 and 6 show that the oil extraction plate 1 is a plane steel plate, the material of the steel plate is the same as that of the strip steel, the width of the oil extraction plate 1 is the same as that of the strip steel, the length of the oil extraction plate 1 is greater than that of the strip steel, the area of the oil extraction plate 1 is a known determined value, and the oil extraction plate 1 is placed on the surface of the strip steel.
Fig. 4, 5 and 6 show that the side baffle plates 2 are made of arc-shaped hard plastics, the length of the side baffle plates 2 is greater than that of the oil taking plate 1, the two side baffle plates 2 are respectively and vertically connected with the two sides of the oil taking plate 1, and the outer surfaces of the two side baffle plates 2 are respectively opposite to the lower surface rollers of the strip steel on the two sides. The side baffle plate is used for preventing the surface of the strip steel from contacting with other roller surfaces after being oiled, so that the accuracy of oil taking of the oil taking plate is influenced.
Fig. 4, 5 and 6 show that the upper surface of the magnet 3 is adsorbed on the lower surface of the strip steel, and the oil extracting plate 1 is adsorbed on the lower surface of the magnet 3.
Fig. 7, 8 and 9 show that the sealing cover 4 is a rectangular steel plate, and a handle is arranged on the upper top surface of the sealing cover 4, so that the sealing cover is convenient to place and take down.
Fig. 1, 2 and 3 show that the oil taking plate 1 is coated with oil and then covers the sealing cover 4, and a gap is formed between the bottom surface of the sealing cover 4 and the upper surface of the oil taking plate 1.
The method for measuring the thickness of the oil film on the surface of the strip steel on line comprises the following steps:
step one, calculating the thickness of the oil film on the surface of the strip steel:
a. weighing the oil taking plate by using a high-precision balance;
b. after weighing, taking down the sealing cover, placing the oil taking plate on strip steel of an acid pickling outlet inspection table, and starting strip steel at an outlet section, wherein the strip steel speed is Xm/min;
c. stopping the outlet section after the oil taking plate passes through the oiling machine, taking out the oil taking plate, and covering a sealing cover;
d. weighing again by using the high-precision balance;
e. calculating the actual oil coating amount on the upper surface of the strip steel by using a calculation formula (the weight of the oil taking plate before oil coating-the weight of the oil taking plate after oil coating)/the oil cutting area of the oil taking plate, and calculating the average oil coating amount after measuring at a plurality of different positions;
secondly, verifying the accuracy of the oil film thickness:
f. the oil pump speed is obtained by setting the running speed and the oil coating amount of the production line;
g. measuring the time taken for the oil pump to fill 1L of measuring cup of oil;
h. the total oiling area in unit time is calculated by utilizing the speed of strip steel, the time for filling 1L measuring cup of oil by an oil pump and the length of a spray beam of an oiling machine, and the formula is as follows:
the oil pump is filled for 1L of measuring cup time, the strip steel speed, the length of an oil spraying beam of the oiling machine and the total oil spraying area;
i. calculating the weight of 1L of oil by adopting a density formula, wherein the volume/density = total weight of 1L of oil;
j. and finally, calculating the weight/total oil coating area to obtain the oil film weight, and checking whether the set oil film weight is consistent with the actual oil film weight or not, wherein the total weight/total oil spraying area = the oil film thickness.
In the method for measuring the thickness of the oil film on the surface of the strip steel on line, the method for measuring the thickness of the oil film on the lower surface of the strip steel comprises the following steps:
k. the two side baffles are respectively and vertically connected with the two sides of the oil taking plate, the upper surface of the magnet is adsorbed on the lower surface of the strip steel, the oil taking plate with the two side baffles is adsorbed below the magnet, and the outer surfaces of the two side baffles are respectively opposite to the lower surface rollers of the strip steel on the two sides;
and l, repeating the steps a to e in the method for measuring the thickness of the oil film on the surface of the strip steel on line, and calculating the thickness of the oil film on the lower surface of the strip steel.
The utility model discloses it is accurate to detect oil film thickness, and the time spent is short, and the low cost need not take a sample on line in the testing process, has greatly improved the efficiency of unit.
Claims (2)
1. The utility model provides a device of online measurement belted steel surface oil film thickness which characterized in that: the oil taking plate (1) is a planar steel plate, the material of the steel plate is the same as that of strip steel, the width of the oil taking plate (1) is smaller than that of the strip steel, the length of the oil taking plate (1) is larger than that of the strip steel, the area of the oil taking plate (1) is a known determined value, the oil taking plate (1) is placed on the surface of the strip steel, the sealing cover (4) is a bent rectangular steel plate, the sealing cover (4) covers the oil taking plate (1) after being oiled, and a gap is reserved between the bottom surface of the sealing cover (4) and the upper surface of the oil taking plate (1).
2. The device for measuring the thickness of the oil film on the surface of the strip steel on line according to claim 1, is characterized in that: the side baffle plate is characterized by further comprising side baffle plates (2) and magnets (3), wherein the side baffle plates (2) are made of arc-shaped hard plastics, the height of the side baffle plates (2) is higher than that of the oil taking plate (1), the length of the side baffle plates is larger than that of the oil taking plate (1), the two side baffle plates (2) are respectively and vertically connected with two sides of the oil taking plate (1), the magnets (3) are adsorbed on the lower surface of the strip steel, and the oil taking plate (1) is adsorbed below the magnets (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366011.6U CN210441843U (en) | 2019-08-21 | 2019-08-21 | Device for measuring thickness of oil film on surface of strip steel on line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921366011.6U CN210441843U (en) | 2019-08-21 | 2019-08-21 | Device for measuring thickness of oil film on surface of strip steel on line |
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| CN210441843U true CN210441843U (en) | 2020-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455241A (en) * | 2019-08-21 | 2019-11-15 | 唐山钢铁集团有限责任公司 | A kind of device and method of on-line measurement belt steel surface oil film thickness |
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2019
- 2019-08-21 CN CN201921366011.6U patent/CN210441843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455241A (en) * | 2019-08-21 | 2019-11-15 | 唐山钢铁集团有限责任公司 | A kind of device and method of on-line measurement belt steel surface oil film thickness |
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