KR200243123Y1 - Surface temperature and profile measuring device of rolling roll - Google Patents

Abstract

The present invention relates to a device for measuring the surface temperature and profile of a rolling roll capable of simultaneously measuring the surface temperature and profile in the roll barrel direction immediately after replacing the roll after using the hot rolled roll, and immediately knowing the result. The surface temperature and profile measuring device of the rolling roll collects and stores the measurement signals output from the temperature sensor and the two displacement sensors at every measurement interval input to the key input unit based on the output pulse of the encoder, and then adds the collected signals of the two displacement sensors. The average value is used as the profile measurement value and the temperature sensor output value is the surface temperature measurement value as it is, the monitor which displays the measurement result of the surface temperature and profile output from the computer, and the surface temperature and profile Memory card that stores the measurement results, and the operator inputs instructions and information into the computer. Surface temperature and profile measuring unit consisting of a key input unit, the displacement sensor is installed so as to face on the central axis of the rolling roll to measure the profile of the rolling roll and to detect the surface temperature of the rolling roll on the lower portion of the displacement sensor Surface temperature and profile detection unit consisting of a temperature sensor to be installed, and the surface temperature and profile measurement unit together with the surface temperature and profile measurement unit is configured to be moved in the barrel direction along the surface of the outer peripheral surface of the rolling roll and detects the movement distance A moving unit having a distance measuring wheel and an encoder is provided.

Description

Surface temperature and profile measuring device of rolling roll

The present invention relates to a device for measuring the surface temperature and profile of a rolling roll, and in particular, it is possible to simultaneously measure the surface temperature and profile in the roll barrel direction immediately after replacing a roll after using a hot rolled roll, and to determine the results immediately. A surface temperature and profile measuring device.

In general, in order to adjust the heat crown and wear prediction model, which are elements of the plate crown and shape control model for shape control of hot rolled steel sheets, it is necessary to measure the profile and surface temperature of the rolling roll after rolling roll replacement.

By the way, there has been no device which can measure the profile and surface temperature of a rolling roll at the same time, and the measurement of the profile and surface temperature of a rolling roll was impossible.

Thus, the present invention is designed to measure the profile and surface temperature of the rolling rolls required to adjust the plate crown and shape of the hot-rolled steel sheet and the heat crown and wear prediction model for shape control. The present invention provides a device for measuring the surface temperature and profile of a rolled roll that can simultaneously measure the surface temperature and profile in the barrel direction, display the measured value immediately, and allow the operator to quickly and accurately evaluate the roll usage.

As a means for achieving the object of the present invention as described above, the present invention in the surface temperature and profile measuring device of the rolling roll,

After collecting and storing the measurement signals output from the temperature sensor and the two displacement sensors for each measurement interval inputted to the key input unit based on the output pulse of the encoder, the collected signals of the two displacement sensors are summed, averaged, and the average value is profile measured. Value, the temperature sensor output value being the surface temperature measurement value as it is, the monitor displaying the measurement results of the surface temperature and profile output from the computer, the memory card storing the measurement results of the surface temperature and profile, the operator Surface temperature and profile measuring unit consisting of a key input unit for inputting instructions and information to a computer,

The surface temperature and profile measuring unit is installed on the upper side, and the support rolls are coupled to move along the rolling rolls to the inside of the fixing brackets which are spoken at both ends of the bottom surface. A moving part which is installed to move along the outer circumferential surface of the rolling roll and which is provided with a base on which an encoder for detecting the rotational speed of the distance measuring wheel is installed;

Two displacement sensors fixed to the moving part and installed to face each other on the central axis of the rolling roll to measure the surface profile of the rolling roll, and detect the surface temperature of the rolling roll under the displacement sensor of the two displacement sensors. It is provided with a surface temperature and profile detection unit consisting of a temperature sensor installed so that.

1 is a front perspective view showing a surface temperature and profile measuring device of a rolling roll according to the present invention.

Figure 2 is a side perspective view showing a surface temperature and profile measuring device of a rolling roll according to the present invention.

Figure 3 is a block diagram showing the surface temperature and profile measuring device of the rolling roll according to the present invention in a block configuration.

Figure 4 is a flow chart showing the operation procedure of the surface temperature and profile measuring device of the rolling roll according to the present invention.

Figure 5a is a graph showing the output temperature of the front and rear surface displacement sensor of the rolling roll and the profile measuring device per roll barrel length according to the present invention, Figure 5b shows a measured profile arithmetic average the output values of the two displacement sensors One graph.

Figure 6 is a graph showing the roll surface temperature measured in the surface temperature and profile measuring device of the rolling roll according to the present invention.

* Description of the symbols for the main parts of the drawings *

1 ... computer 2 ... base 3 ... displacement sensor

4 ... Temperature sensor 5 ... Memory card 6 ... Distance measuring wheel

7 ... supporting roll 8 ... rolling roll 9 ... adjusting block

10 ... monitor 11 ... key input 12 ... sensor connection connector

13 ... support bar 14 ... encoder 15,16 ... fixing bracket

17 ... Adjusting bolt 18 ... Support plate

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the present invention.

First, Figures 1 and 2 are front and side perspective views of the surface temperature and profile measuring device of the rolling roll according to the present invention, the output value of the displacement sensor 3 and the temperature sensor 4 to the upper side of the base 2 at regular intervals. Computer (1) equipped with a monitor (10), a key input unit (11), and a memory card (5) as an auxiliary memory device to collect and store the data and display the surface temperature and profile per roll barrel position. The support rolls 7 are respectively coupled to move along the outer circumferential surface of the rolling roll 8 to the inner side of the fixed bracket 15 protruded at both ends of the bottom surface of the bottom surface, and the fixed bracket 16 is fixed to the center of the bottom surface. The distance measuring wheel 6 moving in the barrel direction along the outer circumferential surface of the rolling roll 8 and the encoder 14 for detecting the rotational speed of the distance measuring wheel 6 are provided, and the base 2 A substantial portion of the support bar 13 extending downward on the inclined upper peripheral surface of the Are coupled to each other, and provided with an adjusting block (9) provided to be movable up and down along the support bar (13) and fixed to the adjusting bolt (17) installed on the upper side thereof, and coupled to the bottom of the adjusting block (9). The displacement sensor 3 is installed to face the center axis of the rolling roll 8 in the inward direction of the lower end of the supported support plate 18 and to contact the rolling roll 8 to detect the profile of the rolling roll 8. And a temperature sensor (4) for detecting the surface temperature of the rolling roll (8) at the lower side of one of the displacement sensors (3), and the displacement sensor (3) and the temperature sensor with a sensor connection connector (12). (4) is connected to the computer (1).

Figure 2 is a block diagram showing the surface temperature and profile measuring device of the rolling roll according to the present invention in a block configuration, SRAM disk 31 and the main memory device for storing the control program for measuring the surface temperature and profile of the rolling roll and And a CPU module 32 which collects and analyzes surface temperature measurement data and profile measurement data according to a processing procedure of a program stored in the SRAM disk 31, and outputs the results to the monitor 10. A signal processor 33 for converting the output signal of (3) and the output signal of the temperature sensor 4 into a signal that can be processed inside the computer 1, and surface temperature and profile measurement data input from the signal processor 33; A data collection module 34 for collecting and storing at a predetermined interval under the control of the CPU module 32, an encoder connection module 35 connecting the output of the encoder 14 to the CPU module 32, The CPU module 32 Of the PCMCIA card 36 for recording the roll profile and the temperature measurement result in the memory card 5, the I / O module 37 for managing the input / output of data, and the battery 39 And a DC / DC converter 38 for lowering the power supply to predetermined voltages (+ 5V, + 12V, -12V), and a battery 39 for supplying power to the DC / DC converter 38.

Next, the operation of the surface temperature and the profile measuring device of the rolling roll having the above-described configuration will be described.

First, after the replacement of the rolling rolls, the surface temperature and profile measuring apparatus as shown in FIG. 1 is installed on the used rolling rolls 8. That is, the left and right two displacement sensors 3 are in contact with each other on the center axis of the rolling roll 8, and the support roll 7 and the distance measuring wheel 6 provided at the bottom of the base 2 are rolled rolls. Install so as to contact the outer circumferential surface of (8). The surface temperature and profile measuring device of the rolling roll placed on top of the rolling roll 8 to be measured as described above is easily moved in the barrel direction of the rolling roll 8 by the supporting roll 7.

Then, the distance measuring wheel 6 for detecting the current surface temperature and the profile measurement position with the movement of the measuring device as described above rotates along the outer circumferential surface in the barrel direction of the rolling roll 8. Therefore, the rotation speed of the distance measuring wheel 6 can be checked to know how much it has been moved. The rotation speed of the distance measuring wheel 6 is detected by the encoder 14 and applied to the computer 1. That is, the encoder 14 outputs a predetermined number of pulses per revolution of the distance measuring wheel 6 to the computer 1. In addition, the two displacement sensors 3 in contact with the surface of the rolling roll 8 and set to "0" are moved to the barrel direction of the rolling roll 8 to measure the profile of the surface and output it to the computer 1. In order to measure the temperature at the same axial position as the measured profile value, the temperature sensor 4 installed at the lower part of the displacement sensor 3 is also moved in the barrel direction while the roll of the same position measured by the displacement sensor 3 is measured. The surface temperature is measured and output to the computer 1.

Operation in the computer 1 will be described with reference to FIG.

The profile measurement signal output from the two displacement sensors 3 and the temperature measurement signal output from the temperature sensor 4 are processed by a signal processor 33 into a signal format in the computer 1 and then subjected to a predetermined measurement pitch. Collected and stored in the data collection module 34, the pulse signal output by the encoder 14 at a predetermined number per revolution of the distance measuring wheel 6 to the CPU module 32 through the encoder connection module 35 Is entered.

The SRAM disk 31 stores a surface temperature and profile measurement program, and the CPU module 32 checks the input data from the key input section 11 in accordance with the processing procedure of the program to control the operation of each device. do.

That is, the CPU module 32 sets the collection interval of the surface temperature and the profile measurement data according to the program of the SRAM disk 31. Here, the distance measuring wheel 6 is rotated in the barrel direction of the rolling roll 8 in accordance with the moving speed of the measuring device, the circumference (πℓ: ℓ of the distance measuring wheel 6 is the distance measuring wheel 6). Diameter) represents the moving distance per one revolution of the distance measuring wheel 6. Therefore, when the movement distance per revolution (pi) is divided by the number of output pulses per rotation output from the encoder 14, the movement distance per pulse of the encoder 14 is calculated. Accordingly, the CPU module 32 counts the output pulses of the encoder 14 input through the encoder connection module 35 so that data is collected for each measured pitch setting value input through the input unit 11 to measure the measurement. The data acquisition module 34 is triggered for each pulse number corresponding to the interval.

Accordingly, the data collection module 34 collects and stores the profile and surface temperature values input through the signal processor 33 each time a trigger signal is input from the CPU module 32, and one edge of the rolling roll 8. When all the measurements from the edge to the other edge are completed, the CPU module 32 outputs and displays the surface temperature data collected and stored in the data acquisition module 34 on the monitor 10 together with the measurement position, and the two displacement sensors. Arithmetic average of the two profile data measured at the same position by (3) is outputted to the monitor 10 as the profile data together with the measurement position and displayed.

FIG. 5A is a graph showing an embodiment of the profile values measured from the two displacement sensors 3 per roll barrel length, in which the measurement profile of the two displacement sensors 3 is applied to the surface state of the rolling roll during transfer for measurement. As the device moves finely, the waveform shown in Fig. 5A appears, but since the two displacement sensors 3 are at the same position in the axial direction, averaging the output values of the two displacement sensors 3 yields a correct profile value. 5B is a graph showing the arithmetic average of the two displacement sensor profiles of FIG. 5A per roll barrel length.

The surface temperature and profile measurement results output to the monitor 10 are stored in the memory card 5 through the PCMCIA card 36.

The operation of the surface temperature and profile measuring device with each device operating as described above will be described according to the processing procedure with reference to the flowchart of FIG.

When the surface temperature and profile measuring device is activated, the operator operates the key input unit 11 to input a data file name to store the measurement result of the rolling roll to measure the current surface temperature and profile (41), and the surface temperature. And setting the measurement interval of the profile (42), the two displacement sensors (3) are located on a straight line passing through the central axis of the rolling roll (8) and the adjusting block (9) of FIG. 1 so as to contact the surface of the rolling roll (8). ) And adjusting bolt (17). The starting position is the edge portion of the left or right side in the barrel direction of the rolling roll (8).

Then, the output values of the displacement sensor 3 and the encoder 14 are set to "0" (43). Then, the surface temperature and profile measuring device at the start position of the left or right edge of the rolling roll 8 is pushed to move to the opposite side. Accordingly, the encoder 14 outputs a predetermined number of pulses for each revolution of the rotating distance measuring wheel 6, and the displacement sensor 3 moves from the start position to the end position when the displacement sensor 3 moves along the central axis of the rolling roll 8. Continuously measure and output the profile of the temperature sensor 3 is moved with the displacement sensor 3 while continuously measuring the temperature value of the same position and outputs.

Then, the CPU module 32 checks the output pulse of the encoder 14, which is input through the encoder connection module 35, detects the measurement time point corresponding to the measurement interval previously set, and triggers the data collection module 34. The data collection module 34 outputs the profile and temperature data output from the displacement sensor 3 and the temperature sensor 4 input through the signal processor 33 at a predetermined interval according to the trigger signal of the CPU module 32. Collect and store (44).

When the surface temperature and profile measuring device moves from one edge of the rolling roll 8 to the other edge, the collection of surface temperature and profile data ends (45), and the surface temperature data and profile data collected at the predetermined intervals are Each process is performed differently. First, the arithmetic mean of the displacement data output from the two displacement sensors 3 measured at the same position, that is, the profile data (46), and the average value are smoothed (47), and then smoothed. The average value is output to the monitor 10 as profile data of a rolling roll (48). The surface temperature data is output to the monitor 10 as it is (49). As described above, after the measured surface temperature and the profile are output to the monitor 10, the profile data and the surface temperature data are stored under the file name set in advance in the memory card 5 (50).

As described above, the surface temperature and the rolling roll according to the present invention simultaneously measure the surface temperature and the profile of the rolling roll in the roll barrel direction and display the measurement results immediately, so that the operator can easily and accurately evaluate the roll usage. In addition, it is used to measure the profile and surface temperature of the roll after replacing the roll to adjust the hot crown and wear prediction model, which are elements of the plate shape control model for the shape control of the hot rolled steel sheet, and improve the control accuracy and roll There is an excellent effect of extending the service life.

Claims (4)

In the surface temperature and profile measuring device of the rolling roll, After collecting and storing the measurement signals output from the temperature sensor and the two displacement sensors for each measurement interval inputted to the key input unit based on the output pulse of the encoder, the collected signals of the two displacement sensors are summed, averaged, and the average value is profile measured. Value, the temperature sensor output value being the surface temperature measurement value as it is, the monitor displaying the measurement results of the surface temperature and profile output from the computer, the memory card storing the measurement results of the surface temperature and profile, the operator Surface temperature and profile measuring unit consisting of a key input unit for inputting instructions and information to a computer, The surface temperature and profile measuring unit is installed on the upper side, and the support rolls are coupled to move along the rolling rolls to the inside of the fixed brackets which are spoken at both ends of the bottom surface, and the distance measuring wheel is fixed to the fixed brackets fixed to the center of the bottom side. A moving part which is installed to move along the outer circumferential surface of the rolling roll and which is provided with a base on which an encoder for detecting the rotational speed of the distance measuring wheel is installed; Two displacement sensors fixed to the moving part and installed to face each other on the central axis of the rolling roll to measure the surface profile of the rolling roll, and detect the surface temperature of the rolling roll under the displacement sensor of the two displacement sensors. Surface temperature and profile measuring device characterized in that it comprises a surface temperature and profile detection unit consisting of a temperature sensor installed so that. The method of claim 1, The computer is Main memory for storing surface temperature and profile measurement programs; Each device is controlled by checking input from a key input unit according to a processing procedure of a program stored in the main memory device, and the arithmetic average of the measured values of two displacement sensors stored in the data collection module is calculated as a profile value. CPU module to output together, A signal processor converting the output signals from the two displacement sensors and the temperature sensor into a signal recognized by a computer; A data acquisition module for collecting and storing output data of two displacement sensors and a temperature sensor input from the signal processor at measurement intervals according to the control of the CPU module; An encoder connection module for outputting an output pulse from an encoder to the CPU module, Surface temperature and profile measuring device of the rolling roll, characterized in that made of a PCMCIA card carrier module for recording the surface temperature and profile measurement results in the memory card under the control of the CPU module. The method of claim 2, The main memory device receives a data file name, sets a measurement interval, sets the output values of the displacement sensor and the encoder to "0", and collects and stores the output values of the temperature sensor and the displacement sensor according to the set measurement interval. And when the collection is completed, after the arithmetic average of the values of the two displacement sensors collected, and storing the profile and the temperature measurement program for outputting with the collected surface temperature value as a profile value per barrel length Surface temperature and profile measuring instruments. The method of claim 1, The surface temperature and profile detector The upper end portions of the support bar extending downward on the upper inclined both main surfaces of the base are fixed to each other, and provided with a control block to be movable in the vertical direction along the support bar is fixed to the adjustment bolt installed on the upper, Surface displacement and profile measuring device of the rolling roll, characterized in that two displacement sensors are installed so as to face on the central axis of the rolling roll to measure the profile of the rolling roll on the lower end of the support plate coupled to the bottom of the adjusting block.