JP2855063B2 - Measuring method of squareness of belt-like material conveying roll and apparatus therefor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for measuring the perpendicularity of a strip-conveying roll in a processing line for continuously treating a strip such as a steel strip.

[0002]

2. Description of the Related Art In a processing line for continuously processing a strip such as a steel strip, a strip-like roll is required to be aligned, that is, to have a good perpendicularity to a line transport direction, a tilt to a horizontal plane, and the like. Wrinkles and flaws, breakage or deterioration in quality, or improper transport of the strip, in severe cases it may come off the rolls and stop the processing line, always keeping the alignment in good condition It is necessary to maintain

An example of a conventional method for checking the alignment of a transport roll will be described with reference to FIG. FIG. 5 is a plan view showing a part of a processing line having a transport roll R. The transport roll R includes bearings 51, 51 on both sides.
In operation, it is connected to a motor 54 via a coupling 52 and a spindle 53.

First, the coupling of the coupling 52 is released,
A measurement arm 55 is attached instead of the spindle 53.
On the other hand, a piano wire 57 is stretched in parallel with the center line C of the line. Rotate the roll about 180 degrees and arm it with a measuring instrument 56 that can measure the distance, such as an inside micrometer
The distances G ₁ , G ₂ between the tip of 55 and the piano wire 57 are measured, and if there is a distance difference, it is understood that the transport roll R is not perpendicular to the transport direction, that is, the line center line. Instead of opening the coupling 52, the arm 55 may be directly attached to the body of the transport roll R.

[0005] The horizontality of the roll can be easily measured by placing a level on the upper surface of the body of the roll R.

[0006]

First, in such a conventional method, it is not easy to draw a piano wire in parallel with the line center line. For example, there are obstacles that cannot be stretched long, and accuracy is reduced by splitting short ones, and the tension applied to the piano wire is so low that the piano wire is not swept by the airflow and becomes linear. There are also problems.

Second, when measuring the distance between the tip of the arm and the piano wire, the method of directly contacting an inside micrometer or the like has a variation in pressing force, and the measurement result is uncertain due to individual differences. Third, in order to perform these operations, the strips in the line hinder, and it is often necessary to remove them once.

Further, since the preparation and measurement itself require a long time, it is difficult to obtain an opportunity for measurement, and the operation is continued while reducing the line speed without correcting the roll alignment. Had been forced to decline. SUMMARY OF THE INVENTION It is an object of the present invention to solve such a problem and to provide a measuring method and an apparatus capable of easily and accurately checking the perpendicularity of a transport roll without substantially hindering the operation.

[0009]

According to the method for measuring the perpendicularity of a belt-like material conveying roll according to the present invention, an inner bent line portion of a belt-like material contact portion extending horizontally and elongated with a substantially L-shaped cross section is pressed against the edge of the material belt. A roll contact portion having a horizontally elongated flat surface portion rotatably mounted on a disk horizontally mounted on the top of a pillar standing upright on the upper surface of the strip-shaped material contact portion; To measure the rotation angle of the disk.

The apparatus for measuring the perpendicularity of a belt-like material conveying roll according to the present invention comprises: a belt-like material contact portion extending horizontally and elongated with a substantially L-shaped cross section; and a pillar standing upright on the upper surface of the belt-like material contact portion. And a roll contact portion having a horizontally elongated flat surface portion rotatably mounted on a disk horizontally mounted on the top of the pillar.

[0011]

[Operation] Although the edge of the band-like material in the state of the passing plate and the side surface of the roll body should originally be at a right angle, according to the present invention, the band-like material rotatably connected via the scale plate is provided. The squareness can be easily measured by pressing the contact portion and the roll contact portion against the object and reading the scale.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a plan view of the measuring apparatus of this embodiment, FIG. 2 is a front view thereof, FIG. 3 is a side view, and FIG. 4 is a perspective view showing a measuring state. 10 is a measuring device, 11 is a roll contact portion, 12 is a revolving plate, 13 is a scale plate, 14 is a pillar, 15 is a strip contact portion, R is a roll, and S is a strip.

The strip contact portion 15 which is elongated in an L-shaped cross section.
Is pressed against the edge portion of the band-shaped material S at the inner broken line portion. A pillar 14 is erected from the upper surface of the strip contact portion 15, and a scale disk 13, which is a horizontal disk, is attached to the top of the pillar 14. A scale 13a indicating an angle is written on the surface of the scale plate 13. A revolving plate 12 having a diameter smaller than that of the scale plate 13 is concentrically superimposed on the scale plate 13, and is rotatably mounted around the center of the scale plate 13 as a rotation center. Is formed with a needle-shaped protrusion 12a for indicating the scale 13a, and at the other end of the revolving plate 12, a roll contact portion 11 having a horizontally elongated flat portion which comes into contact with the roll body near the center height. Are attached to constitute the measuring device 10.

As shown in FIG. 2 to FIG.
Is pressed against the edge of the band-shaped material S at the inner bent line portion, the pillar 14 is in the vertical direction,
The revolving plate 12 and the scale plate 13 mounted on the top are in a horizontal posture. Then, when the revolving plate 12 is revolved and the roll contact portion 11 at the tip is pressed against the body of the roll R, the angle formed by the body of the roll R with respect to the edge of the strip S is represented by a scale 13a of the scale plate 13, Indicated by the needle-like projection 12a of the swivel plate 12.

As is apparent from the above description, in the measuring apparatus 10 of the present invention, the needle-like protrusion 12a which rotates integrally with the roll contact portion 11 only has to indicate the scale 13a. The disk-shaped revolving plate 12 is not always necessary. Instead of the scale 13a, a sensor may be used to directly display the angle digitally, and it is of course easy to display the angle in a desired unit such as mm / m instead of the angle.

The entire measuring device 10 may be made of metal,
It is also possible to reduce the weight by using resin. Also, the strip contact part
The shape of 15 may be a U-shaped cross section instead of the L shape. In order for the roll contact portion 11 to come into contact with the roll body near the center height, the length of the pillar 14 may be approximately equal to the radius of the roll R. The length of the pillar 14 may be adjusted by a telescopic structure or the like.

Further, it is inconvenient to perform the measurement near the edge of the band-shaped material S, for example, because the roll R is provided with a tight crown and the shape of the roll is a drum shape, or the lining is severely worn locally at the edge passing portion. If so,
The upper surface of the strip contact portion 15 may be extended in the horizontal direction, and the pillar 14 may be erected near the center of the line. Next, a measurement example using this measuring device will be described.

In the continuous processing line of the cold-rolled steel strip, the perpendicularity of each transport roll was measured by the present measuring apparatus just by temporarily stopping the line while keeping the steel strip passing.
Variations of 1-1.0 ° were measured. As described above, since the strip-shaped material contact portion 15 is slid in the roll direction while being pressed against the edge portion of the steel strip as described above, the roll contact portion 11 is pressed against the roll body portion, and the scale at that time is simply read. 2 to 3 minutes is sufficient for one roll, the measurement was completed in a very short time even in a line having a large number of rolls, and the confirmation after performing the alignment correction procedure could be easily performed. .

[0019]

According to the present invention, the alignment of each roll can be quickly measured only by temporarily stopping the line without removing the band in the operating state and without laying the piano wire. From this, it is possible to improve productivity by maintaining the line passing state of the line in a good state at all times, and at the construction stage of installing the line, keep the roll installation accuracy in a rough state, and actually remove the strip. It is also possible to make corrections after passing through the board, which has excellent effects such as greatly shortening the construction process.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a front view showing the embodiment of the present invention.

FIG. 3 is a side view showing a use state of the embodiment of the present invention.

FIG. 4 is a perspective view showing a use state of the embodiment of the present invention.

FIG. 5 is a plan view showing a conventional technique.

[Explanation of symbols]

 10 Measuring device 11 Roll contact part 12 Revolving plate 13 Scale plate 14 Pillar 15 Belt contact part 51 Bearing 52 Coupling 53 Spindle 54 Motor 55 Arm 56 Measuring instrument 57 Piano wire S Band R Roll C Center line

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masafumi Tanaka 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba Prefecture Kawasaki Steel Corp. Chiba Works (56) References Fully open 499-111099 (JP, U) Fully open Akira 63-31306 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) G01B 5/00-5/30 B21B 39/14

Claims (2)

(57) [Claims] 1. An inner polygonal line portion of a belt-like object contact portion extending horizontally and elongated in a substantially L-shaped cross section is pressed against an edge of the belt-like material, and is horizontally placed on the top of a pillar erected on the upper surface of the belt-like material contact portion. A belt-shaped object, wherein a roll contact portion having a horizontally elongated flat surface portion rotatably mounted on the mounted disk is pressed against a side surface of a body-conveying roll body, and a rotation angle of the disk is measured. A method for measuring the perpendicularity of a transport roll. 2. A strip contact portion (15) extending horizontally and elongated with a substantially L-shaped cross section, a pillar (14) erected on an upper surface of the strip contact section, and a top of the pillar (14). Measuring device (1) for measuring the perpendicularity of a belt-like material transport roll, comprising a roll contact portion (11) having a horizontally elongated flat surface portion rotatably mounted on a disk (13) mounted horizontally on a plate.
0).