WO2014007410A1

WO2014007410A1 - Web guide system

Info

Publication number: WO2014007410A1
Application number: PCT/KR2012/005298
Authority: WO
Inventors: 이명선
Original assignee: 에스엔유 프리시젼 주식회사
Priority date: 2012-07-04
Filing date: 2012-07-04
Publication date: 2014-01-09
Also published as: KR20140005442A; KR101392143B1

Abstract

The present invention relates to a web guide system. The web guide system for transferring webs of the present invention comprises: a first control roller which is movably provided on a first plane so as to introduce a web along the first plane, and which discharges the web along a second plane that is spaced in parallel from the first plane; a second control roller which is movably provided on the second plane so as to introduce the web along the second plane, and which discharges the web along a third plane that is spaced in parallel from the first plane and the second plane; and a control unit for controlling the first control roller and the second control roller such that the first and second control rollers operate independently. Therefore, according to the present invention, a web guide system is capable of preventing the lifting of a web due to the vibration and the tension unbalance of the moving web by simultaneously controlling the moving direction and the position thereof.

Description

Web guide system

The present invention relates to a web guide system, and more particularly, an imbalance of tension that may occur when only a web moving direction or position is controlled by simultaneously controlling a web moving direction and position through two independently acting control rollers. Or it relates to a web guide system that can prevent the lifting of the web.

Background Art Web handling technology for conveying while supporting a flexible continuous material (hereinafter referred to as "web") such as continuous paper, plastic film, metal film, etc. with a roller is used in a wide range of industries. In particular, it is recently used for high value-added materials.

When conveying the web, the roller supporting the web may not be installed at the correct position, or the vibration may occur during conveyance of the web due to an error caused by a tolerance of a bearing mounted on the roller, vibration of a driving motor mounted on the roller, and the like.

At this time, a system for compensating for the shaking of the web generated has been disclosed in the past. Referring to FIG. 1, the conventional web guide apparatus controls only the moving direction of the web as shown in FIG. The shaking of the web is compensated for by controlling only the position of.

However, in the conventional invention, it is possible to ignore the non-uniform deformation or lifting of the web due to the unbalance of tension generated when correcting the shaking of the web while controlling only the moving direction or the position of the web, or to convey the web when the material of the web is an elastic material. During this process, it is expected to use a method that expects to be eliminated by elasticity.

However, in this method, when the pattern is applied to the surface of the web, if the pattern is applied to the surface of the web in a non-uniformly deformed or excited state, the web is returned to its original shape and the shape of the pattern is deformed. Problem occurs.

Accordingly, an object of the present invention is to solve such a conventional problem, and to prevent uneven deformation or lifting of the web due to shaking and tension imbalance of the moving web by simultaneously adjusting the moving direction and the position of the moving web. To provide a web guide system that can be.

The object is, in accordance with the present invention, a web guide system for transporting a web, the second plane being provided to be movable on a first plane, the web being introduced along the first plane and spaced parallel from the first plane. The first control roller portion for carrying out the web along the side, is provided to be movable on the second plane, the web is introduced along the second plane along the third plane spaced apart from the first plane and the second plane in parallel It is achieved by a web guide system comprising a; a second control roller unit for carrying out, a control unit for controlling the first control roller unit or the second control roller unit to move independently of each other.

Here, the first control roller portion or the second control roller portion may further include a horizontal movement portion for guiding the movement in the horizontal direction.

In addition, further comprising a pair of wall surfaces spaced apart from each other, the horizontal movement portion may be provided between the end and the wall surface of the first control roller portion or the second control roller portion.

Here, the first control roller portion or the second control roller portion may include a length adjusting portion for adjusting the axial length so that the end is connected to the horizontal movement portion during rotation,

In addition, the length adjusting part may protrude toward the horizontal moving part and have an insertion part having the same central axis as the central axis of the first control roller part or the second control roller part, and a part of the insertion part inserted therein, and the other side may include a groove part connected to the horizontal motion part. have.

Here, the both ends of the first control roller portion or the second control roller portion may further include a tensile force sensor for measuring the tension occurring at both ends of the first control roller portion or the second control roller portion.

In addition, the sensor unit consisting of a plurality of first position sensors for measuring the inlet angle of the web flowing into the first control roller portion, a plurality of second position sensors for measuring the carrying out angle of the web taken out from the second control roller portion It may include.

Here, the control unit may adjust the rotation of the first control roller unit or the second control roller unit by controlling the horizontal movement unit so that the tension generated at both ends of the web is the same.

According to the present invention, a web guide capable of conveying a web while preventing uneven deformation or lifting of the web due to the shaking of the web and the shaking and tension imbalance of the web by using two rollers positioned at different heights and independently controlled. A system is provided.

In addition, the first control roller portion or the second control roller portion independently moves by the horizontal movement portion to maintain the same tension generated at both ends of the web passing through the first control roller portion or the second control roller portion to lift the web up. You can prevent it.

1 is a perspective view schematically showing a conventional web guide system,

Figure 2 is a perspective view schematically showing a web guide system according to an embodiment of the present invention,

3 is a cross-sectional view schematically showing a cross section of the web guide system according to FIG.

4 is a plan view schematically showing how the web passes without the movement of the horizontal moving unit in the web guide system according to FIG.

FIG. 5 is a plan view schematically illustrating a web passing through the control roller unit rotated by the horizontal moving unit in the web guide system according to FIG. 2;

6 is a plan view schematically showing how the length of the control roller unit is changed by the length adjusting unit according to the rotation of the horizontal moving unit in the web guide system according to FIG.

FIG. 7 is a plan view schematically illustrating only the center line of the web of the web passing through the web guide system according to FIG. 2; FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the web guide system 100 according to an embodiment of the present invention.

Figure 2 is a perspective view schematically showing a web guide system according to an embodiment of the present invention, Figure 3 is a cross-sectional view schematically showing a cross section of the web guide system according to Figure 2, Figure 4 is a web according to Figure 2 FIG. 5 is a plan view schematically illustrating a web passing without a horizontal moving part in a guide system, and FIG. 5 is a web passing through a control roller part rotated by a horizontal moving part in a web guide system according to FIG. 2. It is a top view which shows schematically how to do it.

2 or 5, the web guide system 100 according to an embodiment of the present invention is a system that can simultaneously control the movement direction and position of the web, the wall surface 105 and the first control roller unit ( 120, the first horizontal movement unit 130, the first tension force sensor 140, the second control roller unit 150, the second horizontal movement unit 160, the second tensile force sensor 170, and the sensor unit 180, The control unit 190 includes.

The wall surface 105 is provided in a pair spaced apart from each other, the first control roller unit 120 and the first horizontal movement unit 130, the first tension force sensor 140 and the second control roller unit 150 to be described later ) And the second horizontal movement unit 160, the second tension force sensor 170, and the sensor unit 180 serve as a case for accommodating the pair of wall surfaces 105.

First, the plane until the web 110 flows into contact with the bottom end of the outer circumferential surface of the first roller 121 to be described later is called a first plane 111, and the top end of the outer circumferential surface of the first roller 121 to be described later is described. The plane from the upper part to the lowermost end of the outer circumferential surface of the second roller 151, which will be described later, is referred to as the second plane 112. The plane of is referred to as the third plane 113. That is, the first plane 111, the second plane 112, and the third plane 113 are all provided in parallel.

However, the first plane 111, the second plane 112, and the third plane 113 are not limited thereto, and may be freely selected according to the transport direction of the web 110. That is, the web 110 may be carried out in the opposite direction as described above, that is, the web 110 may flow in along the third plane 113 and be carried out along the first plane 111.

The first control roller unit 120 changes the moving direction of the web 110 so that the web 110 is introduced along the first plane 111 to be described later and carried out along the second plane 112 to be described later, A device for raising the position of the web 110 by the diameter of the first roller 121 and the thickness of the web 110 to be described later, the first roller 121, the first shaft 122 and the first length adjusting unit ( 123).

The first roller 121 changes the moving direction of the web 110 in a state in which the web 110 is in contact with the outer circumferential surface. That is, the web 110 guides the moving direction of the web 110 so that the web 110 flows into the lowermost end of the first roller 121 and is carried out from the uppermost end.

In addition, while the web 110 is being carried out, the web 110 is supported while moving in the direction desired by the user while being in contact with the web 110.

The first shaft 122 is inserted into the first roller 121 to support the first roller 121 to rotate. Since the first shaft 122 is a well-known technique, detailed description thereof will be omitted.

The first length adjusting unit 123 is provided to adjust the axial length of the first control roller 120, when the horizontal moving unit 130 to be described later so that the first control roller 120 is rotated In order for the first control roller unit 120 to remain connected to the horizontal moving unit 130, the length of the first control roller unit 120 needs to be varied so that the first control roller unit 120 has an axial length through the first length adjusting unit 123. Will be adjusted.

According to the exemplary embodiment 100 of the present invention, the first length adjusting part 123 is formed of the recess 124 and the insertion part 125 so that the recess 124 is inserted into the insertion part 125. It can move along the axial direction, the slit groove is provided on the inner wall surface of the groove portion 124, the protrusion corresponding to the slit groove is formed on the outer surface of the insertion portion 125 is inserted into the groove portion 124 It is possible to adjust the length of the first length adjusting unit 123 only by the movement of the unit 125. This may be applied when the fluctuation range of the first length control unit 123 is small, but is not limited thereto.

However, if the fluctuation range of the first length adjusting part 123 is to be wide, at least one of the first shaft 122 on the groove portion 124 side or the first shaft 122 on the insertion portion 125 side extends in length. Or should be prepared to be shortened. It is preferable that both the first shaft 122 on the recess 124 side and the first shaft 122 on the insertion portion 125 side can be extended or shortened, but is not limited thereto. However, in this case, the controller 190 to be described later should control the motion of the first length control unit 123.

The first horizontal movement unit 130 is provided between the wall surface 105 and the first control roller portion 120 and is moved in the horizontal direction along the wall surface 105 in a state connected to the first control roller portion 120. .

According to an embodiment 100 of the present invention, the first horizontal movement unit 130 is provided at at least one end of both ends of the first control roller unit 120, and in one embodiment of the present invention, both ends are provided. Of course, the first horizontal movement part 130 may be provided only at one end of the first control roller part 120, and in this case, between the other end of the first control roller part 120 and the wall surface 105. A bearing is provided to fix the position of the other end of the first control roller unit 120 according to the movement of the horizontal moving unit 130, but only to change the direction. However, the direction change means is not limited to the bearing.

When the horizontal moving part 130 is provided at both ends of the first control roller part 120 as in the embodiment 100 of the present invention, the horizontal moving part 130 provided at one side and the horizontal moving part 130 provided at the other side ) Moves simultaneously in the same direction, the first control roller 120 is moved in parallel as much as the movement of the first horizontal moving part (130). For example, in order to adjust the distance between the first control roller unit 120 and the second control roller unit 150 to reflect the change in the length of the web 110 passing through the web guide system 100 such a Operation may be performed, but is not limited thereto.

In addition, when only one of the first horizontal moving part 130 moves or the horizontal moving parts 132 move in opposite directions, the first control roller part 120 is inclined with the wall 105. Rotate to contact

In other words, when the first horizontal moving part 130 is installed on only one side of the first control roller part 120, only the effect of rotating the first control roller part 120 based on the wall surface 105 may be obtained. When the first horizontal moving unit 130 is installed at both sides, the first control roller unit 120 can additionally obtain the effect of parallel movement, so that the user can freely select it according to the desired purpose.

Meanwhile, according to the exemplary embodiment 100 of the present invention, the first horizontal moving unit 130 is provided as a linear motor, but is not limited thereto.

The first tensile force sensor 140 is provided at both ends of the first control roller portion 120, and measures the tensile force generated at both ends of the first control roller portion 120. If the magnitude of the tensile force generated at both ends of the first control roller portion 120 is different, the web 110 is lifted, so the magnitude of the tensile force measured by the first tensile force sensors 140 by the controller 180 to be described later is The degree of rotation of the first control roller part 120 is adjusted by adjusting the first horizontal moving part 130 until it is almost the same.

According to an embodiment 100 of the present invention, the first tensile force sensor 140 is provided as a load cell, but is not limited thereto.

The second control roller unit 150 converts the rotation direction of the web 110 introduced along the second plane 112 to the third plane 113 side, and supports the web 110 to be carried out to support the web 110. Control the direction of movement. According to one embodiment 100 of the present invention, the second control roller unit 150 includes a second roller 151, a second shaft 152, and a second length adjusting unit 153.

On the other hand, the second roller 151 constituting the second control roller unit 150, the second shaft 152 and the second length adjusting unit 153 is the first in the above-described first control roller unit 120 Since it is the same as the structure of the roller 121, the 1st shaft 122, and the 1st length control part 123, detailed description is abbreviate | omitted.

The second horizontal movement part 160 is provided between the wall surface 105 and the second roller part 150 and moves horizontally along the wall surface 105 in a state of being connected to the second control roller part 150. Since the description of the second horizontal motion unit 160 is the same as that described above in the first horizontal motion unit 130, a detailed description thereof will be omitted.

The second tensile force sensor 170 is provided at both ends of the second roller unit 150, and measures the tensile force generated at both ends of the first roller unit 150. Since the second tensile force sensor 170 has the same configuration and function as the first tensile force sensor 140 described above, a detailed description thereof will be omitted.

The sensor unit 180 measures the position information of the incoming web 110 to guide the movement path of the web 100 passing through the web guide system 100 according to an embodiment of the present invention, the first control A plurality of first angle sensor 181 for measuring the angle of incidence of the web 110 introduced into the roller unit 120 and a plurality of the angle of carrying out of the web 110 carried out from the third control roller unit 150 And a second position sensor 184.

According to one embodiment 100 of the present invention, the first position sensor 181 and the second position sensor 184 are provided in two, respectively, the first plane 111 and the third through which the web 110 flows in and out. Located on plane 113.

The control unit 190 equals the tension of both ends of the first control roller unit 120 or the second control roller unit 150 measured by the first tensile force sensor 140 or the second tensile force sensor 170. The first horizontal movement unit 130 or the second horizontal movement unit 160 is controlled to adjust the direction of the first roller 121 or the direction of the second roller 151 in order to make the adjustment.

In addition, the controller 190 controls the first horizontal movement unit 130 or the second horizontal movement unit 160 so that the web 110 is carried out along the third plane 113 guided by the guide sensor 184. The direction of the first roller 121 or the direction of the second roller 151 is adjusted.

The operation of the first embodiment 100 of the web guide system described above will now be described.

FIG. 6 is a plan view schematically illustrating how the length of the control roller is changed by the length adjusting part according to the rotation of the horizontal moving part in the web guide system according to FIG. 2, and FIG. 7 passes through the web guide system according to FIG. 2. Is a plan view schematically showing the web only as a center line of the web.

First, with reference to FIG. 4, the first control roller unit 120 and the second roller unit 150 will be described in the vertical contact with the wall surface 105 on the basis of the conveying process of the web 110.

In order to simultaneously adjust the movement direction and the position of the web 110, the web 110 is introduced into the web guide system 100 according to an embodiment of the present invention. The web 110 contacts the lowest end of the outer circumferential surface of the first roller 121 along the first plane 111 for the first time and passes through the upper end of the outer circumferential surface of the first roller 121. It comes in contact with the outer circumferential surface. As a result, the web 110 passes through the first control roller unit 120 as opposed to the direction when the web 110 flows into the first control roller unit 120, and the height at which the web 100 is positioned also includes the first roller. It rises by the diameter of 121 and the thickness of web 110.

The web 110 moves along the second plane 112 through the top end of the outer circumferential surface of the first roller 121.

After passing through the second plane 112, the web 110 comes into contact with the bottom end of the outer circumferential surface of the second roller 151, and the second roller 151 until it passes through the top end of the outer circumferential surface of the second roller 151. Contact the outer circumferential surface of the The web 110 passes through the second roller 151 and moves along the third plane 113, so that the web 110 is the diameter of the first roller 121 and the diameter of the second roller 151 and the web. The height is increased by twice the thickness of 110 and conveyed to the process section or branch pipe along the same direction as the inflow direction.

That is, in the above-described case, there is only a difference in height between the position where the web 110 is introduced and the position where the web is to be conveyed, the direction flowing into the first control roller unit 120 of the web and the third control roller unit 150. It may be applied when the direction to be taken out from) is collinear.

On the other hand, when the position where the web 110 is introduced and the position to be conveyed with reference to Figure 5 does not exist on the same line and have a height difference, when the height and the direction of movement of the web 110 must be changed Explain.

Since the web 110 flows in the same manner as described above, a detailed description thereof will be omitted, and the web 110 may be moved by the first roller 121 or the second roller 151 to change the moving direction of the web 110. You must reverse the direction of. Since the process of changing the directions of the first roller 121 and the second roller 151 through the horizontal moving part is the same, the following description will be made based on the first roller 121.

The first control roller unit 120 has a first angle between when the web 110 enters and passes through the first control roller unit 120 according to the movement of the first horizontal moving unit 130 provided at both ends ( θ ₁ ) occurs. The first angle θ ₁ is the first plane 111 and the guide sensor measured by the tension and position sensors 181 of both ends of the first control roller portion 120 measured by the first tensile force sensor 140. It is determined by the controller 190 in consideration of the third plane 113 guided by 184, which will be described later.

Referring to FIG. 6, when the first horizontal moving unit 130 moves, the first control roller unit 120 maintains the first control roller unit 120 in connection with the first horizontal moving unit 130. ) Has to extend the length of the first control roller portion 120 than when the vertical contact between the wall surface 105, which is adjusted by the first length adjusting portion (123).

The first length adjusting part 123 may move along the axial direction while the recess 124 is inserted into the insertion part 125, and a slit groove is provided on the inner wall of the recess 124. Protruding portions corresponding to the slit grooves are formed on the outer surface of the portion 125 to adjust the length of the first length adjusting portion 123 only by the movement of the recess 124 and the insertion portion 125.

As described above, the web 110 flows into the second control roller unit 150 through the first control roller unit 120 in a state in which the moving direction is changed, and also in the second control roller unit 150. As in the first control roller unit 120, the moving direction is switched to convey the web 110 to the process unit or branch pipe.

Hereinafter, the first control roller unit 120 or the second control unit 190 so that the tensile force is equally measured at both ends of the web passing through the first control roller unit 120 or the second control roller unit 150. A method of controlling the horizontal moving unit to change the direction of the control roller unit 150 will be described.

Referring to FIG. 7, the first position sensor 181 measures position information of the web 110 flowing along the first plane 111. (Hereinafter, the horizontal direction is defined as the x-axis, the vertical direction is referred to as the y-axis.) According to an embodiment 100 of the present invention is provided with two position sensors and the S1 sensor 182 provided at the first point (S1) and The linear equation of the web 110 existing on the first plane 111 passing through the first point S1 and the second point S1 through the S2 sensor 183 provided at the second point S2 is obtained. Can be.

In one embodiment 100 of the present invention, the S1 sensor 182 measures only S _1y , which is the y-axis coordinate, and S _{1x, which} is the x-axis coordinate, can be seen as an installation position. S2 sensor 183 also measures only the y-axis coordinate S _2y and the x-axis coordinate S _2x can be seen as the installation position. Therefore, since the coordinates of the two points are known, the first linear equation L1 of the web 110 flowing into the first control roller unit 120 can be calculated using the following equation.

In addition, the second position sensor 184 also measures the position information of the web 110 carried out along the third plane, and S4 provided at the S3 sensor 185 and the fourth point S4 provided at the third point S3. The third linear equation L3 of the web 110 existing on the third plane 113 by the sensor 186 may be calculated using the above equation. Here, the third point S3 and the fourth point S4 may be points at which the actual web 110 passes, but may also be points at which the user wants the web 110 to pass.

If the linear equation L1 when the web 110 flows into the first control roller part 110 and the linear equation L3 when the web 110 is taken out from the third control roller part 130 are determined, The second linear equation (L2) of the web 110, which is present on the second plane 112 connecting the same and carried out from the first control roller unit 120 and flows into the second control roller unit 150, is determined. do.

Here, the first interangular angle θ ₁ formed by the first linear equation L1 and the second linear equation L2 can be calculated, and a straight line L5 that is half the _first interangular angle θ ₁ can be obtained. have. The web 110 passing through the first control roller part 120 if the straight line L5 half of the _first angle θ ₁ rotates the first control roller part 120 to be orthogonal to the first roller 121. The tensions at both ends of the same will be measured equally.

In other words, in order for the tension applied to both ends of the web 110 passing through the first control roller unit 120 to be equally measured, the inflow angle of the web 110 introduced into the first control roller unit 120 and Since the carrying angle of the web 110 carried out from the first control roller unit 120 should be the same, the rotation angle of the first roller 121 can be obtained if the first linear equation L1 and the second linear equation L2 are known. Can be.

Since the rotation angle of the second roller 151 of the second control roller part 150 is the same as the method of obtaining the rotation angle of the first control roller 121 described above, the detailed description is omitted, but the second linear equation L2 is omitted. The difference between the second angle θ ₂ is obtained by using and the third linear equation L3.

The scope of the present invention is not limited to the above-described embodiment, but may be embodied in various forms of embodiments within the scope of the appended claims. Without departing from the gist of the invention claimed in the claims, it is intended that any person skilled in the art to which the present invention pertains falls within the scope of the claims described in the present invention to various extents which can be modified.

According to the present invention, a web guide capable of conveying a web while preventing uneven deformation or lifting of the web due to shaking of the web and vibration and tension imbalance of the web by using two rollers positioned at different heights and independently controlled. A system is provided.

Claims

In the web guide system for transporting the web,

A first control roller unit provided to be movable on a first plane and carrying the web along a second plane in which the web is introduced along the first plane and spaced apart from and parallel to the first plane;

A second control provided to be movable on the second plane, wherein the web flows in along the second plane and carries out the web along a third plane spaced apart from and parallel to the first plane and the second plane; A roller part;

And a control unit for controlling the first control roller unit or the second control roller unit to move independently of each other.
The method of claim 1,

And a horizontal movement unit for guiding an end of the first control roller unit or the second control roller unit to move in a horizontal direction.
The method of claim 2,

It further comprises a pair of wall spaced apart from each other,

And the horizontal moving part is provided between an end of the first control roller part or the second control roller part and the wall surface.
The method of claim 2,

The first control roller portion or the second control roller portion Web guide system, characterized in that it comprises a length adjusting portion for adjusting the axial length so that the end is connected to the horizontal movement portion when rotating.
The method of claim 4, wherein

The length adjusting part protrudes toward the horizontal moving part and has an insertion part having the same central axis as the central axis of the first control roller part or the second control roller part, and a part of the insertion part is inserted into the groove connected to the other side of the horizontal motion part. Web guide system comprising a portion.
The method of claim 5,

Both end portions of the first control roller portion or the second control roller portion further comprises a tensile force sensor for measuring the tension occurring at both ends of the first control roller portion or the second control roller portion.
The method of claim 1,

A plurality of first position sensors measuring an inflow angle of the web flowing into the first control roller; And a plurality of second position sensors for measuring an ejection angle of the web carried out from the second control roller portion.
The method of claim 6,

The control unit is a web guide system, characterized in that for controlling the rotation of the first control roller portion or the second control roller portion by controlling the horizontal movement unit so that the tension generated at both ends of the web.