KR101989244B1 - Apparatus for managing quality of coated oil and method thereof - Google Patents

Abstract

[0001] The present invention relates to an oil quality control apparatus and method, and more particularly, to an oil quality control apparatus and method for oil quality control, which comprises an oiling section for oiling a coil being transported and for pressurizing oil to be lubricated, And an illegality judging section for judging whether or not the pressing force measured by the pressure measuring section satisfies a preset required compliance pressure and acquiring the non-compliance information of the coil.

Description

[0001] APPARATUS FOR MANAGING QUALITY OF COATED OIL AND METHOD THEREOF [0002]

More particularly, the present invention relates to an apparatus and method for controlling quality of metastable quality in a metering process performed in a cold rolling process.

Generally, during the cold rolling process of the steel mill, the oiling process is carried out by spraying oil to the coil to prevent rusting of the cold rolling process product and to improve lubricity when the steel product is processed by the customer.

In the process of casting process, the quantity applied to the coil by the casting equipment should meet the criteria suggested by the customer. If the casting amount is insufficient or the casting amount is too low or the casting amount is excessive, excessive cracking will occur, .

The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-1998-0048550 (published on September 15, 1998).

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus and method for quality control of an oil quality for preventing machining cracks and improving the quality of a cold rolling process product by allowing the oiling process to proceed according to a metric amount conforming to a standard.

The metering quality control apparatus according to one aspect of the present invention includes a metering unit for metering oil to a coil being transported and for pressurizing the metered oil to perform a metering process for the coil, And a metrology quality judging unit for judging whether the pressure measured by the pressure measuring unit meets a preset required compliance pressure and acquiring the metric non-compliance information of the coil.

In the present invention, the drawing unit includes an oiler for oiling the coil, and a pressing roll for pressing the oil lubricated by the oiler.

In the present invention, the non-compliance information is information on at least one non-cooperating coil section in which the pressing force does not satisfy the compliance required pressure, and the length of each non-cooperating coil section, the average value of the lengths of the non- And a pressing force in each of the non-compliant coil sections.

The present invention is characterized by checking the non-conformity information obtained by the metrology quality judging unit and judging whether or not the combination of the coils, the use or grade change of the coils, And a storage quality analysis unit for performing the above-described operations.

According to an aspect of the present invention, there is provided a method for quality control of metering comprising the steps of: applying oil to a coil being transported, pressing the oil to be lubricated, and performing a metering process on the coil; And determining whether or not the pressing force measured by the pressure measuring section satisfies a preset required compliance pressure, and acquiring the non-compliance information of the coil .

The present invention is characterized in that, in the step of performing the metering process, the metering section applies oil to the coil through the Euler and pressurizes the oil lubricated by the Euler through the pressurizing roll.

In the present invention, the non-compliance information is information on at least one non-cooperating coil section in which the pressing force does not satisfy the compliance required pressure, and the length of each non-cooperating coil section, the average value of the lengths of the non- And a pressing force in each of the non-compliant coil sections.

The present invention is characterized in that the metatradical quality analyzing unit checks the metacity nonconformity information obtained by the metatail quality judging unit and determines the combination of the coils, the use or grade change determination of the coils, And performing at least one of the determination of whether or not the process is to be performed.

The present invention can reduce product processing cracks due to uncoated, uncoated and over-oiled products of cold-rolled products that have been shipped without quality control in the casting process, It is possible to improve the quality of the cold rolling process product by selecting and managing it as a product.

FIG. 1 is a block diagram illustrating a metacycle quality control apparatus according to an embodiment of the present invention. Referring to FIG.
FIG. 2 is a flowchart illustrating a metacity quality management method according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an apparatus and method for managing metamorphic quality according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a block diagram illustrating a metacycle quality control apparatus according to an embodiment of the present invention. Referring to FIG.

Referring to FIG. 1, a metacycle quality control apparatus according to an embodiment of the present invention includes a metering unit 100, a pressure measuring unit 200, a pressure database 300, an oil quality determining unit 400, a process database 500 And a metamorphic quality analysis unit 600.

The metering unit 100 can apply oil to the coil being transported and pressurize the oil that has been oiled to perform the oiling process for the coil. Specifically, the metering section 100 may include an oiler (oil injector, not shown) for oiling the coil, and a pressure roll (not shown) for pressurizing the oil lubricated by the oiler. Accordingly, the metering unit 100 can apply oil to the coil being conveyed by the conveying roll through the euler, and the oil is pressurized by the press roll moving up and down in the direction perpendicular to the conveying direction of the coil The metering process may proceed.

Specifically, the pressure measuring unit 200 measures pressure applied to the oiled oil by a coil unit using an IIoT (Industrial IoT) pressure sensor or the like. The pressure measuring unit 200 measures the pressure applied to the oil. can do. The pressing force measured by the pressure measuring unit 200 is an element that is directly connected to the oiling quality of the coil and can be compared with the compliance demand pressure by the oiling quality determining unit 400 to determine whether or not it is suitable. The pressure measuring unit 200 can measure the pressing force in units of coils and measure the pressing force in accordance with the position of the corresponding coil. The pressing force measured by the pressure measuring unit 200 can be stored in the pressure database 300. [

The metamorphic quality judging unit 400 can receive the pressing force measured by the pressure measuring unit 200 from the pressure database 300 and judge whether or not it meets a preset required compliance pressure to acquire the non-compliance information of the coil . The conformity requirement pressure may be preset in the metamorphosis quality determination unit 400 according to the criteria presented by the customer. When judging whether or not the pressing force measured by the pressure measuring unit 200 satisfies the compliance required pressure, the opulence quality determining unit 400 determines whether or not the pressing force and the compliance required pressure coincide with each other, It can be determined whether or not the pressure is within the set tolerance range, and it can be determined whether or not the pressure force satisfies the compliance pressure.

The malfunction non-compliance information acquired by the metrology quality determination unit 400 means information on one or more non-cooperable coil sections for which the pressing force measured by the pressure measuring unit 200 does not satisfy the compliance pressure. In other words, the non-conformity information means information about a non-coercive coil section in which the pressing force does not satisfy the required pressure in the corresponding coil, and one or more non-coercive coil sections can be formed in one coil (for example, From the 2m point to the 6m point, from the 10m point to the 20m point as the reference position).

The non-compliance information may include the length of each non-compliant coil section, the average value of the length of each non-compliant coil section, and the pressing force in each non-compliant coil section. The length of each non-compliant coil section, the average value of the lengths of the non-coincident coil sections, and the pressing force in each non-coincident coil section can be used as data for analyzing the quality of the coil by the coupling quality analysis section 600 described later.

When the metacycle non-compliance information is acquired by the metamorphic quality determination unit 400 and the metering quality determination for all the coils is completed, the acquired metaconversion information may be stored in the process database 500. [

The metamorphosis quality analysis unit 600 checks the metacity non-compliance information stored in the process database 500 and determines whether or not the combination of the coils, the use of the coil or the grade change, and the reprocessing of the metamorphic process are determined Or more.

That is, the metamorphosis quality analysis unit 600 checks the non-compliance information and determines whether or not there is a non-compliant coil section having a length exceeding a threshold value (for example, 10 m) in the corresponding coil, And determines whether the use of the coil or the quality grade is to be changed by using a method of determining whether the number of non-coercive section sections and the average length of non-coercive section sections in the corresponding coil exceeds respective threshold values or the like And it is possible to judge whether or not the casting process is reprocessed by using a method of judging whether or not the ratio of the coils determined to be defective as to the total coils exceeds the threshold value. It should be noted that the above-described criteria are merely examples, and the metatric quality analysis unit 600 may determine whether or not each of the determination criteria used for performing the cointegration determination, the use or grade change determination of the coils, May be variously designed according to the intention of the designer and may be preset in the metatric quality analysis unit 600.

On the other hand, the non-compliance information obtained by the metatage quality determination unit 400 and the analysis result performed by the metatage quality analysis unit 600 may be output through a predetermined display unit (not shown) The display quality may be monitored through the display unit.

FIG. 2 is a flowchart illustrating a metacity quality management method according to an embodiment of the present invention.

Referring to FIG. 2, description will be made as to a method of managing metatail quality according to an embodiment of the present invention. First, when a coil is loaded on the transporting apparatus (S100), the metering unit 100 supplies oil to the coil being transported, The oil is pressurized to perform the oiling process for the coil (S200). In step S200, the casting unit 100 may apply oil to the coil through the Euler and pressurize the oil lubricated by the Euler through the pressurizing roll.

Then, the pressure measuring unit 200 measures the pressing force against the oiled oil (S300).

Next, when the pressing force measurement for one coil is completed (S400), the pressing force measured by the pressure measuring unit 200 is stored in the pressure database 300 on a coil-by-coil basis (S500).

Next, the metamorphic quality judging unit 400 judges whether or not the pressing force measured by the pressure measuring unit 200 satisfies the preset required compliance pressure (S600), and acquires the non-compliance information of the coil based on the determination result (S700). Herein, the non-compliance information is information on one or more non-coercive coil sections for which the pressing force does not satisfy the required pressure for compliance, and the length of each non-coercive coil section, the average value of the lengths of the respective non-coercive coil sections, .

Next, when the metering quality determination for all the coils is completed (S800), the metaconversion information acquired in operation S700 is stored in the process database 500 (S900). If the metering quality determination for all the coils is not completed S800) and receives the pressing force for the next coil from the pressure database 300, and performs steps S600 and S700.

Then, the metatredical quality analyzer 600 checks one or more of the coincidence determination, the use or grade change determination of the coil, and the reprocessing process of the metaphoric process according to a predetermined determination criterion, The quality is analyzed (S1000).

As described above, the present embodiment can reduce product processing cracks due to uncoated, uncoated and over-oiled products of a cold-rolled product that has been shipped without quality control in the casting process, The quality of cold-rolled products can be improved by selecting and managing them as potentially defective products.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

100:
200: pressure measuring unit
300: Pressure database
400: oil quality determining unit
500: Process database
600: Metrology Quality Analysis Department

Claims (8)

An oiling portion for applying oil to the coil being transported and for pressurizing the lubricated oil to perform the oiling process for the coil;
A pressure measuring unit measuring pressure applied to the oil; And
A metrology quality judging unit for judging whether or not the pressing force measured by the pressure measuring unit satisfies a preset required compliance pressure and acquiring the non-compliance information of the coil;
Lt; / RTI >
Wherein the non-compliance information is information on at least one non-coercive coil section in which the pressing force does not satisfy the compliance required pressure, and the length of each non-coercive coil section, the average value of the lengths of the non-coercive coil sections, And a pressing force in the section,
Determining whether or not the coils are attached, determining whether the coils are used or graded, and determining whether or not to reprocess the coiled process in accordance with a predetermined determination criterion by confirming the non-compliance information obtained by the quality- And a meta-quality analyzing unit for analyzing meta-quality of the meta-meta data.
The method according to claim 1,
Wherein the oiling portion includes an oiler for oiling the coil, and a pressure roll for pressurizing the oil lubricated by the oiler.
delete delete Applying oil to the coil being transported and pressing the oil soaked to perform the oiling process on the coil;
Measuring pressure applied to the oil by the pressure measuring unit; And
Determining whether the pressing force measured by the pressure measuring unit satisfies a preset required compliance pressure, and acquiring the non-compliance information of the coil;
Lt; / RTI >
Wherein the non-compliance information is information on at least one non-coercive coil section in which the pressing force does not satisfy the compliance required pressure, and the length of each non-coercive coil section, the average value of the lengths of the non-coercive coil sections, And a pressing force in the section,
The metrology quality analyzing unit checks the metric non-compliance information obtained by the metrology quality judging unit and determines whether or not the combination of the coils, the use or grade of the coils, and whether or not the metering process is reprocessed And performing one or more of the following steps:
6. The method of claim 5,
In the step of performing the metering process,
Oil is applied to the coil through the Euler, and the oil lubricated by the Euler is pressurized through the pressure roll.
delete delete

Images