JP2001071029A - Roll leveler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably feed a plate material between rollers. SOLUTION: A plate control guide mechanism 10 performing width control of a plate material A at the inlet side of a roll train of a roll leveler is provided with a pair of left/right width control guide parts 11 horizontally moving in the direction orthogonal to an introducing direction of the plate material, a rotary link part 17 turning around a first fixed axis between the width control guide parts and having first-third connection shafts 21, 22, 23 arrang at each apex of triangles, a first connection link 25 connecting the first connection shaft 21 and a support shaft 24 of one of the width control guide parts, a second connection link 26 connecting the second connection shaft 22 parallel to the first connection link and a support shaft 27 of the other width control guide part and an operation lever 29 turning around a second fixed shaft 28 and engaging its tip part to the third connection shaft 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll leveler, and more particularly to a roll leveler used as a pretreatment for press working, for example, for correcting warpage of a steel sheet or the like wound into a roll or correcting flatness. It is.

[0002]

2. Description of the Related Art Conventionally, there is JP-A-8-323418 as a technique in such a field. The plate material roller straightening device described in this publication has an adjusting means for adjusting the gap between the fixed roller and the movable roller.
This adjusting means raises and lowers the movable base by the rotation of the displacement gear driven by the control motor, whereby
This is for adjusting the amount of pushing of the movable roller.

[0003]

However, the above-mentioned apparatus is used as a pretreatment for press working, for example, for correcting warpage of a rolled steel sheet or the like or correcting flatness. Is supplied between the roller rows, the plate material oscillates left and right (width direction) at the entrance side of the roller rows,
There are inconveniences such as the plate material colliding with the apparatus and the plate material being unable to be accurately supplied to the press. As a countermeasure, a pair of left and right side plates may be arranged on the entrance side of the apparatus, and the width of the plate material may be adjusted by adjusting the position of the side plates by screwing.

[0004] The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a roll leveler capable of stably supplying a plate material between rollers.

[0005]

According to a first aspect of the present invention, there is provided a roll leveler for guiding a plate material between rollers of a row of rollers arranged side by side to form a flat plate material. On the side, a plate material regulating guide mechanism for regulating the width of the plate material is provided. The plate material regulating guide mechanism includes a pair of left and right width regulating guide portions that horizontally move in a direction orthogonal to the introduction direction of the plate material, and a pair of widths. A rotation link portion having first to third connection shafts arranged at each vertex of the triangle while rotating about the first fixed shaft between the regulation guide portions; A first connecting link for connecting the supporting shaft on the width regulating guide side to the first connecting link and connecting the second connecting shaft to the other supporting shaft on the width regulating guide side. A second connecting link and a second fixed shaft With pivots about, it is characterized in that an operating lever tip is engaged with the third connecting shaft of.

The roll leveler is provided with a plate material regulating guide mechanism for preventing the plate material from swinging left and right (in the width direction) at the entrance side of the roller row. By this mechanism, a pair of left and right width regulating guides can be simultaneously operated in the width direction by one operating lever, thereby increasing the efficiency of the work of aligning the plate material, which has been troublesome up to now. In this guide mechanism, first, when the operator rotates the operation lever by a predetermined amount about the second fixed shaft,
The rotation is transmitted to the rotary link via the third connecting shaft, and the rotary link rotates by a predetermined amount about the first fixed shaft. And the first connecting shaft and the second connecting shaft are also the first connecting shaft.
By rotating about the fixed axis of the center, both width regulating guides can be simultaneously moved horizontally in the width direction via the first and second connection links. At this time, the one width regulating guide and the other width regulating guide move in directions opposite to each other. Therefore, depending on the rotation direction of the operation lever, the interval between the width regulating guide portions is increased or decreased, and the interval between the width regulating guide portions is appropriately determined by the rotation of the operation lever to match the width of the plate material. Will be done.

[0007] In the roll leveler according to claim 2,
The first connection shaft, the second connection shaft, and the first fixed shaft are arranged in a straight line, and the first fixed shaft is disposed at the center between the first connection shaft and the second connection shaft. Is preferred. With such a configuration, the first connecting link and the second connecting link can be appropriately translated in parallel, the movement amount of the left and right width regulating guide portions can be made equal, and the work of adjusting the width of the plate material by visual measurement can be performed. Can be facilitated.

[0008] In the roll leveler according to claim 3,
The width regulating guide portion is mounted on a guide plate extending in a direction perpendicular to the introduction direction of the plate material, and is provided with a movable plate extending in the introduction direction, and a standing plate on the movable plate to be provided on a side surface of the plate material. It is preferable to have a width regulating roller to be brought into contact. When such a configuration is adopted, the guide plate ensures the horizontal movement of the movable plate, and the plate can be fed toward the roller row while being in contact with the peripheral surface of the width regulating roller. In a state where is made as small as possible, the feeding of the plate material is reliably guided.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a roll leveler according to the present invention will be described below in detail with reference to the drawings.

As shown in FIGS. 1 and 2, the roll leveler 1 is installed and used in front of a press for punching a sheet material A such as a steel plate. It is used for correcting the warpage of the rolled plate material A, correcting the flatness, and the like.

The roll leveler 1 has a box-shaped main body 2 in which a control device and the like are accommodated, and a roller box 3 is disposed on the main body 2. The roller box 3 accommodates a roller row R in which two rows of rollers 4 are arranged vertically and about 10 rows are arranged in front and rear, and by adjusting the gap between the upper and lower rollers 4, various types of rollers are provided. It is configured to correspond to the correction of the plate material A having a thickness.

The roll leveler 1 has a roller row R
A carry-in device 5 is provided at the entrance side for stably guiding the plate material A to the roller row R. This loading device 5
A pair of upper and lower guide rollers 6 and 6 for holding the plate material A so as to sandwich the plate material A are disposed on the entrance side of the base member 7. Each guide roller 6 has a base 7 bolted to the main body 2.
Is mounted to be rotatable. Then, the plate material A wound in a roll shape is sandwiched between the guide rolls 6 so that the fluttering of the plate material A in the vertical direction is appropriately suppressed.

Further, the carry-in device 5 is provided with a plate material regulating guide mechanism 10 for preventing the plate material A from swinging left and right (in the width direction) at the entrance side of the roller row R. This mechanism 1
0 is the introduction direction P of the plate material A as shown in FIGS.
And a pair of left and right width regulating guides 11 that horizontally move in a direction perpendicular to the horizontal direction.

The width regulating guide portion 11 has a pair of left and right movable plates 12A, 12B extending in the introduction direction P, and a width which stands on the movable plates 12A, 12B and abuts against the side surface S of the plate material A. And a regulating roller 13. Each of the width regulating rollers 13 is free to rotate around an axis that is erected from the movable plates 12A and 12B, and is arranged two by two in the introduction direction P on each of the movable plates 12A and 12B. The plate material A is sandwiched by the cooperation of the rollers 13.

Each of the movable plates 12A and 12B is made of a plate material A.
Is mounted on a guide plate 14 extending in a direction perpendicular to the introduction direction P. The guide plate 14 is fixed to the base 7 via bolts 15, and the movable plate 12A,
The movable plates 12A and 12B can be moved horizontally by being fitted into the U-shaped bottom surface of the cross section 12B (see FIG. 4). Therefore, in the width direction of the plate material A, the horizontal movement of the movable plates 12A and 12B by the guide plate 14 is reliably achieved, and the plate material A can be fed while being in contact with the peripheral surface of the width regulating roller 13. The feeding of the plate material A is reliably guided while the sliding friction with respect to A is reduced as much as possible.

Further, between the pair of left and right movable plates 12A and 12B, there is provided a rotary link portion 17 which rotates about a first fixed shaft 16 erected from the base 7. The rotary link portion 17 is formed in a T shape. In addition, first to third connection shafts 21, 22, 23 are provided at each end, and the connection shafts 21, 22, 23 are arranged on the vertices of the triangle.

The first connecting shaft 21, the second connecting shaft 22, and the first fixed shaft 16 are arranged in a straight line,
The first fixed shaft 16 is arranged at the center between the connecting shaft 21 and the second connecting shaft 22 of the first fixed shaft 16. By such an arrangement relationship, the rotation distance between the first connection shaft 21 and the second connection shaft about the first fixed shaft 16 can be equalized.
Furthermore, the first connection link 25 allows the first connection shaft 2
1 and the support shaft 24 provided on one movable plate 12A are connected. The second connection link 26 is arranged in parallel with the first connection link 25, and connects the second connection shaft 22 to a support shaft 27 provided on the other movable plate 12B.

Accordingly, the first connecting link 25 and the second connecting link 26 can be appropriately translated in parallel, so that the amount of movement of the left and right movable plates 12A and 12B can be made equal, and the plate material is measured by eye. Facilitation of the width adjustment work is promoted.

Further, the plate material regulating guide mechanism 10 is provided with an operation lever 29, and the operation lever 29 is
, And the front end portion is engaged with the third connecting shaft 23. An elongate hole 29a is formed at the tip, and the third connection shaft 23 is inserted into the elongate hole 29a.

When the plate material regulating guide mechanism 10 is configured in this manner, the movable plates 12A and 12B of the pair of left and right width regulating guide portions 11 can be simultaneously operated in the width direction by one operating lever 29. This is to improve the efficiency of the width adjustment work of the plate material A, which has been troublesome until now.

Next, the above-mentioned plate material regulating guide mechanism 10 will be briefly described.

First, in order to move the width regulating roller 13 until it matches the width W of the plate material A, the operator turns the operation lever 29 in the direction of arrow B by a predetermined amount around the second fixed shaft 28. Move. As shown in FIG.
The rotation link 17 is rotated by a predetermined amount about the first fixed shaft 16. In addition, the first connection shaft 21 and the second connection shaft 2
2 also rotates about the first fixed shaft 16 so as to synchronize with each other in the width direction via the first and second connection links 25 and 26 so that both movable plates 12A and 12B approach each other. To move horizontally. Then, the width regulating roller 1 reaches a predetermined position.
When the 3 moves, the movable plates 12A and 12B are fixed to the guide plate 14 by turning the tightening lever 30.

On the other hand, when the operating lever 29 is rotated in the direction opposite to the arrow B, the first and second connecting links 2
The movable plates 12A and 12B horizontally move in synchronization with each other in the width direction so as to move away from each other via the first and second movable plates 5 and. Thus, one movable plate 12A and the other movable plate 12B move in directions opposite to each other. Therefore, depending on the rotation direction of the operation lever 29, the width regulating guide portion 11
The width between them becomes wider or narrower, and the interval between the width regulating guide portions 11 is appropriately selected according to the amount of rotation of the operation lever 29.

[0024]

The roll leveler according to the present invention is configured as described above, and has the following effects. In other words, in a roll leveler that guides the plate material between the rollers of the roller row arranged in parallel and forms the plate material flat,
A plate material regulating guide mechanism for regulating the width of the plate material is provided on the inlet side of the roller row, and the plate material regulating guide mechanism includes a pair of left and right width regulating guide portions that horizontally move in a direction orthogonal to the direction of introducing the plate material. Between the pair of width regulating guide portions,
A rotating link portion that rotates about a fixed axis of the rotation shaft and has first to third connection axes arranged at each vertex of the triangle;
A first connecting link for connecting the first connecting shaft to the support shaft on one of the width regulating guides, and a first connecting link is disposed in parallel with the first connecting link, and the second connecting shaft and the other width regulating guide are arranged in parallel. A second connecting link for connecting the guide-side spindle to the guide shaft;
By rotating around the fixed shaft and having an operating lever having a distal end engaged with the third connecting shaft, the plate material can be stably supplied between the rollers.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a roll leveler according to the present invention.

FIG. 2 is a plan view of the roll leveler shown in FIG.

FIG. 3 is a plan view showing a plate material regulating guide mechanism applied to the roll leveler according to the present invention.

FIG. 4 is a side view of the plate material regulating guide mechanism shown in FIG. 3;

FIG. 5 is a plan view showing a state after the operation lever is rotated to match the width of the plate material.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Roll leveler, 4 ... Roller, 10 ... Plate material regulation guide mechanism, 11 ... Width regulation guide part, 12A, 12B ... Movable plate, 13 ... Width regulation roller, 14 ... Guide plate, 16 ... First
, A fixed shaft, 17 ... a rotating link portion, 21 ... a first connecting shaft,
22: second connecting shaft, 23: third connecting shaft, 24, 27
... Support shaft, 25 first connection link, 26 second connection link, 28 second fixed shaft, 29 operating lever, A plate material, P introduction direction, R roller row.

Claims (3)

[Claims] 1. A roll leveler for guiding a plate material between rollers of a row of rollers arranged side by side to form the plate material flat, wherein a plate material regulation guide mechanism for regulating a width of the plate material at an entrance side of the roller row. A pair of left and right width regulating guides horizontally moving in a direction perpendicular to the direction of introduction of the plate, and a first fixed shaft between the pair of width regulating guides. And a rotation link portion having first to third connection shafts arranged at each vertex of the triangle, and the first connection shaft and one of the width-controlling guide-side support shafts. A first connection link to be connected, and a second connection link arranged parallel to the first connection link and connecting the second connection shaft to the other support shaft on the width-regulating guide side. And rotate around the second fixed axis And a control lever having a distal end portion engaged with the third connection shaft. 2. The first connection shaft, the second connection shaft, and the first fixed shaft are arranged in a straight line, and the first connection shaft and the second connection shaft are arranged between the first connection shaft and the second connection shaft. The roll leveler according to claim 1, wherein the first fixed shaft is disposed at a center. 3. A movable plate that is mounted on a guide plate extending in a direction orthogonal to a direction in which the plate material is introduced and extends in the introduction direction, and The roll leveler according to claim 1, further comprising a width regulating roller that is erected on the side of the plate member and abuts against a side surface of the plate material.