KR102464016B1 - roll grinder supplying level information of grinding bed - Google Patents

Abstract

The present invention relates to a grindstone level measurement support type rolling roll grinding apparatus, wherein a male stem that rotatably supports a rolling roll installed between a headstock and a tailstock, and the rolling roll are brought into contact with a grindstone mounted on the grindstone. A transfer unit capable of advancing and moving the grindstone in a direction orthogonal to the extension direction of the rolling roll and moving along the extension direction while grinding, and a gradient that is mounted on the grindstone and detects the change in inclination according to the movement of the position of the grindstone It includes a sensor and a control unit for controlling the driving of the transfer unit, and processing a warning signal to be output through an output device when it is determined that the inclination information received from the inclination sensor is out of a set allowable range. According to such a grindstone level measurement support type rolling roll grinding apparatus, when the inclination of the grindstone is out of the set allowable range, it can inform this and support to prevent grinding failure.

Description

Grindstone level measurement support type rolling roll grinding device {roll grinder supplying level information of grinding bed}

The present invention relates to a grindstone level measurement support type rolling roll grinding apparatus, and more particularly, to a grindstone level measurement support type rolling roll grinding apparatus that supports to suppress abrasive defects.

In general, a fatigue layer is formed on the surface of a rolling roll for rolling operation due to continuous use.

For grinding operation, the rolling roll is transported to a suitable place by means of a crane. Then, one side and the other side of the rolling roll are rotatably supported by the headstock and the tailstock, respectively, and the surface of the rolling roll rotated by the roll grinding machine is ground. The roll grinding machine grinds the surface of the rolling roll by rotating the grindstone corresponding to the grinding stone mounted on the grindstone table which can be moved forward and backward and left and right in the direction toward the rolling roll.

Such a rolling roll grinding apparatus has been disclosed in various ways, such as domestic registered patent No. 10-0856290 and domestic registered patent No. 10-1377497. However, in the conventional rolling roll grinding apparatus, the inclination of the grindstone moving back and forth and left and right may vary due to wear and distortion of the sliding surface of the foundation bed depending on the elapse of use, and the grindstone is greatly inclined or curved due to changes in shape. There is a problem in that grinding defects may occur.

However, until now, the amount of change in the slope of the grindstone has not been measured, and since there is no measuring device, the problem caused by the change in slope is found elsewhere. are in the real situation.

The present invention was devised to improve the above problems, and the purpose of the present invention is to provide a grinding wheel level measurement support type rolling roll grinding apparatus that supports the grinding operation while measuring and providing the inclination of the grindstone in real time. have.

In order to achieve the above object, the grindstone level measurement support type rolling roll grinding apparatus according to the present invention includes a male stem that rotatably supports a rolling roll installed between a headstock and a tailstock, and the rolling roll is mounted on a grindstone. In the rolling roll grinding apparatus which grinds by contact with the grindstone, and has a conveying part configured to move the grindstone table forward and backward along the direction orthogonal to the extending direction of the rolling roll and move along the extending direction, a tilt sensor mounted to detect and provide a tilt change according to the movement of the position of the grindstone; and a control unit for controlling the driving of the transfer unit, and for processing a warning signal to be output through an output device when it is determined that the inclination information received from the inclination sensor is out of a set allowable range.

According to an aspect of the present invention, when it is determined that the inclination information received from the inclination sensor is out of a set allowable range, the control unit outputs a warning sound through the sound output unit.

According to another aspect of the present invention, the control unit processes the warning light to be turned on when it is determined that the inclination information received from the inclination sensor is outside the set allowable range.

According to the grindstone level measurement support type rolling roll grinding apparatus according to the present invention, when the inclination of the grindstone is out of the set allowable range, it is possible to inform this and support to prevent the grinding failure.

1 is a plan view showing a grindstone level measurement support type rolling roll grinding apparatus according to the present invention,
2 is a block diagram showing the control system of the grindstone level measurement support type rolling roll grinding apparatus of FIG. 1;
3 is a flowchart illustrating a process of performing a grinding operation mode by the control unit of FIG. 2 .

Hereinafter, a grindstone level measurement support type rolling roll grinding apparatus according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a plan view showing a grindstone level measurement support type rolling roll grinding apparatus according to the present invention, and FIG. 2 is a block diagram showing the control system of the grindstone level measurement support type rolling roll grinding apparatus of FIG. 1 .

1 and 2, the grindstone level measurement support type rolling roll grinding apparatus 100 according to the present invention includes a headstock 110, a tailstock 120, a water stand 130, a grindstone stand 140, It includes a grindstone 142 , a transfer unit 150 , a tilt sensor 170 , an operation unit 181 , a grinding drive unit 183 , a sound output unit 185 , a display unit 187 , and a control unit 190 .

The grinding target rolling roll 10 is supported between the headstock 110 and the tailstock 120 through the male stem 130 so that it can be rotated.

The grindstone table 140 is formed in a plate shape so as to be able to mount the grindstone 142 grinding while rotating while in contact with the rolling roll 10 .

The transfer unit 150 includes an X-axis slider 154 on which the grindstone 140 is mounted so as to advance and retreat the grindstone 140 in a direction perpendicular to the extension direction of the rolling roll 10, and an X-axis slider ( The carriage 152 is constructed as a base bed 155 on which the carriage 152 is loaded so as to move the 154 in the extending direction of the rolling roll 10 . Here, the moving structure for the X-axis slider 154 of the grindstone 140 and the moving structure for the base bed 155 of the carriage 152 may be constructed in a variety of known ways, such as a rack and pinion method.

The inclination sensor 170 is mounted on the grindstone table 140 to detect a change in inclination according to the positional movement of the grindstone table 140 and provides it to the control unit 190 . The inclination sensor 170 may be a 3-axis angular velocity sensor or a gyro sensor capable of measuring the inclination value of the grindstone table 140 .

The operation unit 181 is configured to set supported functions, such as setting of a grinding operation mode.

The grinding drive unit 183 is controlled by the control unit 190 to drive the grindstone 142 and the rolling roll 10 to rotate, respectively, in the grinding performance mode.

The sound output unit 185 is controlled by the control unit 190 to output sound.

The display unit 187 is controlled by the control unit to display display information. The display unit 187 includes a warning light 188 .

The control unit 190 controls the grinding drive unit 180 and the transfer unit 150 to perform grinding of the surface of the rolling roll 10 according to the set grinding conditions when a grinding operation mode execution instruction is received from the operation unit 181 .

When it is determined that the inclination information received from the inclination sensor 170 in the grinding performance mode is outside the set allowable range, the control unit 190 processes a warning signal to be output through the output device.

Preferably, when it is determined that the inclination information received from the inclination sensor 170 is outside the set allowable range, the control unit 190 outputs a warning sound through the sound output unit 185 as an output device, and a warning light 188 as an output device. Treat it to light up.

Hereinafter, the control process of the controller 190 will be described with reference to FIG. 3 .

First, it is determined whether or not the grinding mode is performed (step 210).

If it is determined in step 210 as the grinding execution mode, the grinding drive unit 183 and the transfer unit 150 are controlled so that grinding is performed according to the set grinding conditions.

In addition, it detects the inclination value of the grindstone from the inclination sensor 170 (step 220).

After step 220, it is determined whether the detected slope value exceeds an allowable range (step 230).

If it is determined in step 230 that the allowable range is exceeded, a warning action is performed by outputting a warning sound and lighting a warning lamp (step 240).

On the other hand, if it is determined that the allowable range is not exceeded in step 230, it is determined whether the grinding end condition is satisfied (step 250). Here, the grinding termination condition refers to determining whether all the desired grinding processes have been performed.

If the grinding end condition is not met in step 250, the process returns to step 210.

On the other hand, it is preferable to perform a warning action in step 240 and process to temporarily stop the grinding operation mode.

According to such a grindstone level measurement support type rolling roll grinding device, when the inclination of the grindstone table is out of the set allowable range, it can be notified, thereby providing the advantage that the operator can process to prevent grinding defects.

110: headstock 120: tailstock
130: Sudae 140: Jiseokdae
142: grindstone 150: transfer unit
170: tilt sensor 181: control panel
183: grinding drive unit 185: sound output unit
187: display unit 188: warning light
190: control unit

Claims (3)

A male stem rotatably supporting a rolling roll installed between the headstock and the tailstock, and grinding the rolling roll by contact with a grindstone mounted on the grindstone, and the grindstone rest perpendicular to the extension direction of the rolling roll In the rolling roll grinding apparatus having a conveying part capable of moving forward and backward along the direction and extending along the direction,
a tilt sensor mounted on the grindstone to detect and provide a change in inclination according to the movement of the position of the grindstone;
A control unit for controlling the driving of the transfer unit and processing a warning signal to be output through an output device when it is determined that the inclination information received from the inclination sensor is outside the set allowable range; and
The tilt sensor is a 3-axis angular velocity sensor or a gyro sensor is applied,
The control unit outputs a warning sound through the sound output unit when it is determined that the inclination information received from the inclination sensor is outside the set allowable range, and processes to turn on the warning light.




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