KR200333551Y1 - Back-up roll liner thickness measurement and deviation grooving unit - Google Patents

Abstract

The present invention relates to a backup roll liner thickness measurement and deviation groove processing apparatus, and more particularly to a backup roll liner thickness measurement and deviation groove processing apparatus that can improve the rolling error rate of the rolling stand and accurate measurement and processing of the backup roll choke.

The present invention has a base having a sliding member formed with a rack gear on the side, and the horizontal transfer and the first horizontal transfer beam is formed in the dovetail groove formed on the base and the dovetail groove of the first horizontal transfer beam And horizontally transferable second horizontal transfer beams having a dovetail formed on the lower surface thereof, first and second bars mounted on top of the second horizontal transfer beams, and mounted on top of the second bars. The Cygnus gauge consists of a horizontally transferable transport frame, a Cygnus gauge mounted on both sides and an upper portion of the transfer frame, and a grinding wheel rotatable and forward and backward at both ends of the transfer frame. After the measurement is characterized in that the grinding wheel to grind the deviation defect.

Description

Back-up roll liner thickness measurement and deviation grooving machine

The present invention relates to a backup roll liner thickness measurement and deviation groove processing apparatus, and more particularly to a backup roll liner thickness measurement and deviation groove processing apparatus that can improve the rolling error rate of the rolling stand and accurate measurement and processing of the backup roll choke.

Figure 1 (a) is a view showing the measurement condition of the wear liner wear deviation before improvement of the present invention, Figure 1 (b) is a view showing the situation of checking the standard deviation of the wear deviation of the backup roll choke liner, Figure 2 is a liner after rolling A drawing showing the surface grooving situation generated in the drawing, wherein the backup roll 1 withdrawn after work in a conventional rolling stand is choked on the backup roll 1 for data and liner (3,4) standard measurement management required for rolling. Separate (5) and measure the width and the deviation using the large micro meta (9). In addition, the wear deviation of the liner (4) assembled on the choke (5) is subjected to standard measurement management work using a variety of gauges (7, 8).

On the other hand, by using the hand grinder (6) to process the thickness guide error generated after replacing the abnormal groove, abnormal wear, deviation liner (3) generated during the rolling, drawing or rolling operation of the stand.

In this process, the standard dimensions required for the rolling stand before and after rolling cannot be obtained quickly, and the physical load of the operator due to various measuring and processing operations is increased. In addition, there is a problem in that rolling error rate decreases, work efficiency decreases and safety accidents occur because rapid and accurate data cannot be obtained with respect to changes in the choke 5 due to abnormalities in rolling.

The object of the present invention is to provide a backup roll liner thickness measurement and deviation groove processing apparatus capable of improving the rolling error rate of the rolling stand and enabling accurate measurement and processing of the backup roll chocks.

The present invention for achieving the above object is a base having a sliding member formed with a rack gear on the side, a first horizontal transfer beam installed horizontally on the base and formed with a dovetail groove, and the first horizontal transfer A second horizontal transfer beam mounted on the dovetail groove of the beam and horizontally movable and having a dovetail formed on a lower surface thereof, and first and second bars mounted on the upper portion of the second horizontal transfer beam so as to be shanghai; A transfer frame mounted on the upper part of the two bars and capable of horizontal transfer, a cygnus gauge mounted on both sides and an upper portion of the transfer frame, and a grinding wheel mounted at both sides of the transfer frame and rotatable forward and backward. Characterized in that configured to include.

Figure 1 (a) is a view showing a hard liner wear deviation measurement situation before improvement of the present invention.

Figure 1 (b) is a view showing a backup roll choke liner wear deviation reference dimension check operation situation.

2 is a view showing a surface grooving situation generated in the liner after rolling.

Figure 3 (a) is an exploded perspective view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention.

Figure 3 (b) is a partial cross-sectional view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention.

Figure 4 is a perspective view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention.

5 is a view showing a situation of processing the deviation groove after measuring the thickness of the backup roll liner using the present invention.

<Explanation of symbols for main parts of drawing>

10: base 20: first horizontal transfer beam

30: second horizontal transfer beam 40: first bar

50: rack gear 51: pinion gear

53, 53b: Cygnus gauge 60: second bar

70: transfer frame

Hereinafter, the present invention will be described with reference to the accompanying drawings.

Figure 3 (a) is an exploded perspective view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention, Figure 3 (b) is a partial cross-sectional view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention, Figure 4 is a perspective view of the backup roll liner thickness measurement and deviation groove processing apparatus according to the present invention, the present invention is largely the base 10, the first horizontal transfer beam 20, the second horizontal transfer beam 30, the first And second bars (40, 60), rack and pinion gears (50, 51), cygnus gauges (53, 53b), transfer frame (70), panel (26), hydraulic units (25), worms and worm gears It consists of (21,22).

Sliding means 11 is formed in the horizontal direction on the base 10, the sliding means 11 is formed in a protruding state, the object is to be able to slide the upper portion of the sliding means (11) to move. In addition, a groove 13a is formed in the vicinity of the sliding means 11. On the other hand, the rack gear 13 is formed on the side of the sliding means (11).

As shown in Figure 3 (a), the first horizontal transfer beam 20 is horizontally moved on the base 10 described above, the bottom surface is configured to accommodate the sliding means 11 and the groove (13a) It is. The first horizontal transfer beam 20 is horizontally transferred from the upper portion of the sliding means 11, which is possible by the worm and the worm gears 21 and 22. The worm and the worm gears 21 and 22 are accommodated on the bottom of the first horizontal transfer beam 20. 3 (b) is a view showing the coupling state of the rack gear 13 and the worm and worm gear (21, 22), coupled to rotate the drive gear 23 by the rotation of the worm gear (22) It is. Meanwhile, a dove tail groove 24 is formed on the first horizontal transfer beam 20.

As shown in FIGS. 3A and 4, the second horizontal transfer beam 30 is mounted on the upper portion of the first horizontal transfer beam 20 and is horizontally transferred, and the bottom surface of the second horizontal transfer beam 30 is provided. The dovetail 31 is formed in the dovetail groove 24 formed on the upper portion of the first horizontal transfer beam 20 described above. The second horizontal transfer beam 30 is horizontally moved as the screw 27 with the drive means rotates. The screw 27 is attached to the threaded portion 32 of the second horizontal transfer beam 30.

The first and second bars 40 and 60 are vertically mounted on the upper portion of the second horizontal transfer beam 30 as described above, and the first bar 40 is vertically transferred by the first cylinder 33. The second bar 60 is conveyed up and down by the second cylinder 41. The first cylinder 33 is configured to move the first bar 40 in the upper portion of the second horizontal transfer beam 30, the second cylinder 41 is the second bar in the upper portion of the first bar (40). The 60 can be moved. On the other hand, the second bar 60 is bent in a 'b' shape.

The transfer frame 70 has an 'n' shape and is mounted on the upper end of the second bar 60 described above. The third cylinder 71 is connected to one side of the transfer frame 70 is horizontally transferred from the upper portion of the second bar (60).

The rack and pinion gears 50 and 51 are mounted at both lower ends of the transfer frame 70, respectively, and the grinding wheel 52 is mounted at the end of the rack gear 50 to rotate. The rack gear 50 is configured to be horizontally moved by the rotation of the pinion gear 51.

Cygnus gauges 53 and 53b are mounted at both lower ends of the transfer frame 70 as described above, and are also mounted at the upper center of the transfer frame 70. On the other hand, a screw 53a is connected to each of the cygnus gauges 53 and 53b. The panel 26 is installed above the first horizontal transfer beam 20 and has a built-in control device for controlling each of the above-described components. The hydraulic unit 25 is an apparatus for generating hydraulic pressure for driving the first and second cylinders 33 and 41 and the third cylinder 71 described above.

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

5 is a view showing a situation in which the deviation groove is processed after measuring the thickness of the backup roll liner using the present invention, the operator transfers the first horizontal transfer beam 20 to the backup roll (1 in FIG. 1) Move to where you are. At this time, the drive gear 23 rotated by the worm and worm gears 21 and 22 rotates in contact with the rack gear 13. Thereafter, the screw 27 is driven to advance and retract the second horizontal transfer beam 30. At this time, as the screw 27 rotates in the threaded portion 32, the second horizontal transfer beam 30 is transferred.

The first and second cylinders 33 and 41 are mounted to the lower portions of the first and second bars 40 and 60, respectively, to move the first and second bars 40 and 60 up and down. As the first and second bars 40 and 60 move up and down, the transfer frame 70 also moves up and down. The transfer frame 70 mounted on the upper part of the second bar 60 is horizontally moved by the third cylinder 71. By the above-described operation, the transfer frame 70 transfers the liner thickness of the backup roll 1 to a suitable position for measuring.

Afterwards, the Cygnus gauges 53 and 53b advance by the screw 53a to record abnormal wear deviations and deformations generated on the surface of the liner 3, and then check and record them through a monitor. Further, in order to measure the thickness of the liner 4, the cygnus gauge 53b is connected to the liner 4, and then confirmed through a recording monitor. After the measurement is completed, the grinding wear and grinding or where the scratches are generated using the grinding wheel (52). Grinding is performed by rotating the grinding wheel 52 for grinding and driving the pinion gear 51 to advance the rack gear 50.

The present invention improves the rolling error rate of the rolling stand and enables accurate measurement and processing of the backup roll chocks. In addition to improving the quality of the product, it has the effect of improving work efficiency and reducing worker safety accidents.

Claims (2)

A base having a sliding member having a rack gear formed on its side; A first horizontal transfer beam installed horizontally on the base and having a dovetail groove; A second horizontal transfer beam mounted on the dovetail groove of the first horizontal transfer beam and horizontally movable and having a dovetail formed on a lower surface thereof; First and second bars mounted on an upper portion of the second horizontal transfer beam so as to be shanghai; A transfer frame mounted on an upper portion of the second bar and capable of horizontal transfer; Cygnus gauges are respectively mounted on both sides and the upper portion of the transfer frame, Back roll liner thickness measurement and deviation groove processing apparatus characterized in that it comprises a grinding wheel that is rotatable at both ends of the transfer frame and mounted at the same time forward and backward. The method of claim 1, The lower part of the first horizontal transfer beam is equipped with a worm and a worm gear, and a driving gear formed at the side end of the worm gear is engaged with the rack gear formed on the base. Groove processing equipment.