JP2000351506A - Method for changing advancing direction of strip metal plate and device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stabilize the operation of a line without wrinkling or folding of a strip metal plate to improve the productivity by arranging a pair of pass rollers arranged vertically adjacent of pluralities of pass rollers in non-parallel attitudes to change the advancing direction of the strip metal plate to a prescribed direction. SOLUTION: The pass rollers 22A, 22B of pass rollers 22A-22D are arranged in non-parallel attitudes. Namely, the rotating shaft 23B of the pass roller 22B is arranged with an inclination θ1 in the right downward direction on the basis of the rotating shaft 23A of the pass roller 22A. The pass rollers 22C, 22D are also arranged in non-parallel attitudes. Namely, the rotating shaft 23D of the pass roller 22D is arranged with an inclination θ2 in the right downward direction on the basis of the rotating shaft 23D of the pass roller 22C. When two sets of vertical pairs of pass rollers 22A, 22B and 22C, 22D are arranged in this way, the advancing direction of an aluminum web (strip metal plate) W can be changed to the angle set by θ1 and θ2.

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 changing the traveling direction of a strip-shaped metal plate, and more particularly to a method for changing the traveling direction of a strip-shaped metal plate to a desired direction when transporting the strip-shaped metal plate. The present invention relates to a direction changing method and a direction changing device.

[0002]

2. Description of the Related Art When processing a plurality of processing steps while transporting a strip-shaped metal sheet, if the previous processing step and the next processing step are not arranged on the same straight line, the strip-shaped metal sheet is processed. It is necessary to change the direction of travel. Conventionally, as a device for changing the traveling direction of a strip-shaped metal plate, there is a method described below. Japanese Patent Application Laid-Open No. 58-135049 discloses a free loop system in which two rolls are installed with their axial directions changed from each other, the slack is maintained between the rolls, and the direction of the band-shaped metal plate is changed by twisting. There is disclosed a twist roll system in which a large number of rolls are arranged at gradually twisted positions, and the conveyance of a strip-shaped metal plate is guided and supported along these rolls to change the traveling direction.

In Japanese Patent Application Laid-Open No. 61-49724, a plurality of guide rolls are arranged so as to be rotatable around an orthogonal axis in a circumferential direction of a virtual cylinder or a cone to change the traveling direction of a strip-shaped metal plate. A guide roll system is disclosed. Further, Japanese Patent Application Laid-Open No. Sho 60-248554 discloses an air levitation system in which a plurality of holes are formed on the outer periphery of a cylindrical drum, air is ejected from the holes, and the traveling direction is changed while floating the band-shaped metal plate. Have been.

[0004]

However, in the free loop method, when the speed at which the band-shaped metal plate passes increases, the free loop portion swings violently. Since the speed is limited, there is a disadvantage that the operation rate of the line is reduced. Further, in the twist roll method, since the diameter is gradually increased toward the center of the circumferential surface of the roll, when changing the traveling direction of the strip-shaped metal plate, the twisted roll is formed in the width direction of the strip-shaped metal plate. Due to the different speeds, they cause slips and wrinkles on the strip of metal,
There was a drawback that breakage occurred.

Further, in the guide roll method, since the front surface of the strip-shaped metal plate on the entrance side becomes the back surface on the exit side after passing through the virtual circumferential surface, it becomes difficult to manage quality control and processing. It was inappropriate. In addition, the air levitation method requires an air supply device or the like to blow air from a large number of holes formed in the axial direction of the drum when the metal plate is passed through the belt-like metal plate, and thus equipment costs and running costs are reduced. There was a huge problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to stabilize the operation of a line and to improve productivity without wrinkling or breaking of a strip-shaped metal plate. It is an object of the present invention to provide a method and a device for changing the traveling direction of a strip-shaped metal plate that can be performed.

[0007]

According to the present invention, there is provided a method and an apparatus for changing the traveling direction of a strip-shaped metal sheet conveyed through a plurality of pass rollers, in order to achieve the above object.
Among the plurality of pass rollers, a pair of pass rollers arranged vertically above and below are arranged in a non-parallel posture, and the traveling direction of the strip-shaped metal plate is changed to a predetermined direction.

According to the present invention, since the pair of pass rollers arranged vertically adjacently is arranged in a non-parallel posture, the angle formed by the pair of pass rollers is set to a desired angle, thereby achieving a simple structure. It is possible to change the traveling method of the strip-shaped metal plate. Along with this, running costs such as electric heating costs have been eliminated. Further, if two or more pairs of the pair of pass rollers are arranged in the transport path of the band-shaped metal plate, the traveling direction of the band-shaped metal plate can be freely changed, and the apparatus is connected to the apparatus or the line to the line. can do. Further, it is also effective when adding equipment to a limited space.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a method and an apparatus for changing the traveling direction of a strip-shaped metal plate according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows the PS plate (presensiti
It is explanatory drawing which shows the manufacturing process of the strip | belt-shaped metal plate which is a support body of a zed offset plate).

The PS plate manufacturing process 10 shown in FIG. 1 includes a surface treatment step 12, a coating step 14, and a drying step 16. In the manufacturing process 10, the strip-shaped metal plate (aluminum web) W, which is a support of the PS plate, is conveyed from the coil wound state to the surface treatment process 12 by the feeding device 18, and thereafter, the coating process 14 and the drying process. The film is wound by the winding device 20 through the step 16.

In the surface treatment step 12, an anodizing tank 26 is provided. An electrolytic solution 28 is stored in the anodizing tank 26, and while the aluminum web W is being conveyed in the electrolytic solution 28, the aluminum web W
An anodic oxide film is formed on the surface of the substrate. Surface treatment step 12
Is transported to the cleaning device 1 where the aluminum web W is cleaned by the cleaning water sprayed from the upper and lower sprays 2 and 2. Then, the aluminum web W is wound around the tension holding rubber rollers 24, 24 and the like disposed downstream of the sprays 2, 2 in the cleaning device 1 and is conveyed toward the coating process 14. Then, the aluminum web W is transported to a coating step 14, where a photosensitive material is coated on the surface. Further, the surface of the photosensitive layer of the aluminum web W is matted while passing through the coating step 14.

The aluminum web W that has passed through the coating step 14 is transported to a drying step 16, where the photosensitive layer and the mat material are dried by warm air. And drying step 1
The aluminum web W that has passed through 6 is wound into a coil shape by the winding device 20, and then transported to the next step. 1 is a pass roller that guides and supports the transport of the aluminum web W.

Further, the four pass rollers 22A, 22 constituting the apparatus for changing the traveling direction of the strip-shaped metal plate of the present embodiment.
B, 22C and 22D are the surface treatment step 12 and the coating step 14
It is installed on the transport route between The pass roller 2
2A to 22D, as shown in FIG. 2, a pair of upper and lower pass rollers is constituted by the pass roller 22A and the pass roller 22B, and a pair of upper and lower pass rollers is constituted by the pass roller 22C and the pass roller 22D. That is, P shown in FIG.
In the S plate manufacturing process 10, the direction of the aluminum web W carried out from the surface treatment process 12 is changed by two pairs of pass rollers, and the aluminum web W is conveyed to the coating process 14.

The pass rollers 22A and 22B are arranged in a non-parallel posture as shown in FIG. That is, with reference to the rotation axis 23A of the path roller 22A, the rotation axis 23B of the path roller 22B is arranged so as to be inclined θ1 downward in FIG. Similarly, the pass rollers 22C and 22D are also arranged in a non-parallel posture. That is, with reference to the rotation axis 23C of the path roller 22C, the rotation axis 23D of the path roller 22D is arranged so as to be inclined θ2 downward in the right direction in FIG. The pass roller 22B and the pass roller 22C are disposed in a parallel posture.

When two pairs of upper and lower pass rollers are provided, the traveling direction of the aluminum web W can be changed to an angle set by θ1 and θ2. The direction conversion angle can be set to a desired angle by appropriately changing θ1 and θ2. According to the direction changing device using such pass rollers 22A to 22D, the direction changing device can be configured only by inclining the existing angle of the pass rollers, and thus the method of advancing the aluminum web W with a simple structure. Can be converted. Further, by applying the pair of pass rollers, the direction of the aluminum web W can be stably changed without wrinkling, breaking, or the like. Along with this, no running costs such as electric heating costs are required.

Although FIGS. 1 and 2 illustrate an example in which two pairs of upper and lower pass rollers are installed, the traveling direction of the aluminum web W can be freely changed by installing a large number of them. Thereby, it is possible to connect the device and the device, or the line and the line,
In addition, the present invention is also effective when adding equipment to a limited space. In the present embodiment, the aluminum web W is exemplified as the band-shaped metal plate, but the present invention is not limited to this.

[0017]

FIG. 3 is a front view of a direction change experiment apparatus 30 for checking wrinkles, distortion, breakage, and the like of an aluminum web W. The experimental apparatus 30 shown in the figure has five pass rollers 32 for guiding and supporting the transfer of the aluminum web W,
34, 36, 38, and 40.

The pass rollers 34, 36, 38 are supported by a rotating plate 46 installed on a gantry 42, which is the main body of the experimental apparatus 30, via a rotating shaft 44. The rotating plate 4
6 is rotatable about the rotation shaft 44 as indicated by a two-dot chain line in FIG. 4, and its rotation range is controlled by a rotation range restricting member (not shown) so that it can rotate in a range of 0 to 90 °. Regulated. Therefore, according to the experimental device 30, the direction changing angle of the aluminum web W can be set in the range of 0 to 90 °.

The path roller 32 is a path roller for raising and transporting the aluminum web W sent from a feeding device (not shown) toward the path roller 34, and the path roller 32 is movable up and down on the side surface of the gantry 42. It is provided in. Thus, the vertical distance L between the pass roller 32 and the pass roller 34 can be set to an arbitrary distance. The aluminum web W that has passed through the pass roller 34 is U-turned by the pass roller 36, and is then conveyed downward by the pass roller 38.

The pass roller 40 applies the aluminum web W conveyed from the pass roller 38 to the experimental device 3.
It is a pass roller for carrying out from zero, and this pass roller 40 is also provided on the side surface of the gantry 42 so as to be vertically movable. Here, for example, the first pass roller 34 that changes the direction of the aluminum web W has a roller outer diameter of 300 m.
m, roller surface length 1725 mm, and roller surface material is rubber. The material of the roller surface is not limited to rubber, but may be metal such as aluminum or iron.

The pass rollers 34 and 32
Is set to 5000 mm in the vertical direction, and
An aluminum web W having a width W of 1000 mm was used. The value of L / W at this time is 5. In this setting state,
Using an aluminum web W having a thickness T of 0.24 mm, the direction was changed at a tension: T = 1000 to 3000N. As a result, it was confirmed that the direction of the aluminum web W was stably changed without wrinkling or breaking.

According to experiments, the value of L / W was 4
In the following cases, it was confirmed that wrinkles, breaks, and the like occurred in the aluminum web W. Also, in the case of 6 or more,
It was confirmed that wrinkles and breaks occurred. Therefore, it is preferable to set L and W so that 4 <L / W <6.

[0023]

As described above, according to the method and the apparatus for changing the traveling direction of the strip-shaped metal plate of the present invention, the pair of path rollers arranged vertically adjacent to each other are arranged in a non-parallel posture, so that a simple arrangement is provided. The structure can change the traveling method of the band-shaped metal plate, and can stably change the direction of the band-shaped metal plate without wrinkling, breaking or the like. Along with this, no running costs such as electric heating costs are required. Further, if two or more pairs of the pair of pass rollers are arranged in the transport path of the band-shaped metal plate, the traveling direction of the band-shaped metal plate can be freely changed, and the apparatus is connected to the apparatus or the line to the line. can do. Further, it is also effective when adding equipment to a limited space.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an example in which a traveling direction changing device for a strip-shaped metal plate is applied to a transport path in a PS plate manufacturing process.

FIG. 2 is a perspective view showing a device for changing the traveling direction of a strip-shaped metal plate.

FIG. 3 is a front view showing an experimental device for a device for changing the traveling direction of a strip-shaped metal plate.

FIG. 4 is a top view of the experimental apparatus shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... PS plate manufacturing process, 12 ... Surface treatment process, 14 ... Coating process, 16 ... Drying process, 22A-22D ... Pass roller, 24 ... Tension retention rubber roller, W ... Aluminum web, 30 ... Experimental device

Claims (2)

[Claims] 1. A method for changing the traveling direction of a strip-shaped metal plate conveyed via a plurality of pass rollers, wherein a pair of pass rollers arranged vertically above and below the plurality of pass rollers are arranged in a non-parallel posture. A traveling direction of the metal strip is changed to a predetermined direction. 2. A device for changing the direction of travel of a band-shaped metal plate conveyed via a plurality of pass rollers, wherein a pair of pass rollers arranged vertically above and among the plurality of pass rollers are arranged in a non-parallel posture. A traveling direction changing device for converting the traveling direction of the band-shaped metal plate into a predetermined direction.