KR101290204B1 - Roll for pressure control and horizontality control - Google Patents

Abstract

The present invention relates to a pressure control and a horizontal holding roll, and more particularly, in pressurizing and transporting a film member between a plurality of rolls, which is concentrated on both ends of the roll by pressing force applied vertically downward from both ends of the roll. The pressing force is generated so that the roll member is bent, so that it is not possible to provide a uniform pressure to the film member to be pressurized and to prevent defects in the film member. By using a pressure control roll with tension controlled through hardness control, the pressure control roll absorbs some pressing force at both ends of the roll to prevent the roll from bending and provides uniform pressure to the film member to be transported. And a leveling roll.

Description

ROLL FOR PRESSURE CONTROL AND HORIZONTALITY CONTROL}

According to the present invention, the tension can be adjusted by partially absorbing the pressing force concentrated at both ends of the roll according to a predetermined pressing force applied to the roll so that a uniform pressure in the width direction can be applied to the various film members transferred between the plurality of rolls. It relates to pressure control and leveling rolls.

The roller includes a pipe formed to a predetermined length and a shaft inserted and welded to both sides of the pipe. An LCD film is manufactured using the film manufacturing apparatus with said roller.

In the film manufacturing apparatus, when the polarizing film is bitten between the fixed roller and the pressure roller, and the pressing means presses the pressure roller toward the fixed roller side, the film is pulled between the rollers by the pulling force from the tip side. It is conveyed while being tensioned to produce an LCD film.

In the case of the roller used in the film manufacturing apparatus as described above, that is, the roller used in the process of manufacturing various functional films, the higher the pressure or the longer the length of the roller in the process of laminating a plurality of films or coating the film Bending of the roller occurs, and as shown in FIG. 1A, a plurality of rolls (press rollers 200 and fixed rollers 210) opposed to each other are pressed at both ends. In the case of the roller 200, the pressing force is concentrated on both ends of the pressure roller 200, the load applied to the film member P to which the pressure roller 200 is bent and conveyed is also generated unevenly, so that the pressure of the film member P It became a problem of causing breakage.

The present invention has been made to solve the above problems, the object of the present invention is to adjust the tension by controlling the hardness on both ends of the roll to which the pressing force is intensively applied in accordance with the pressing force applied to the predetermined roll pressure In the film member which is positioned and conveyed between the plurality of rolls by providing the adjusting roll, the pressure applied to both ends is absorbed to prevent the roll from being bent by the pressing force, whereby the roll is bent to uniformly press the film member. This is to provide a pressure adjustment and leveling roll that can prevent in advance the problem such as deformation of the film is not provided.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. Furthermore, the objects and advantages of the present invention can be realized by means and combinations indicated in the claims.

The present invention as a means for solving the above problems, the inner periphery roll 10 is formed on the outer periphery interruption, the stepped step 12 is formed on both sides of the protrusion 11, respectively; First and second outer cylinder rolls 30 and 40 having one end fitted to the outside of the step 12 and forming an inner space 13 between the inner cylinder roll 10; A pressure adjusting roll 20 inserted into the insertion space 13; Outer shell roll 50 is coupled to the outer circumference of the inner roll (10); Characterized in that consists of.

As described above, the present invention has an effect that the pressing force is transmitted to both ends of the roll by the pressing force applied to both ends of the roll to prevent the roll from bending.

In addition, the present invention has an effect that can be used after the tension adjustment by adjusting the hardness of the pressure control roll fitted to the both ends of the roll, according to a predetermined pressing force applied to the roll.

In addition, the present invention prevents the bending of the roll, so that the contact portions of the plurality of rolls or the film members in contact with the rolls can always be horizontal, so that the film members transferred between the plurality of rolls over the entire width direction. There is an effect that can be transferred at a uniform pressure.

In addition, the present invention by providing a uniform pressure to the film member in the width direction and transported, there is an effect that can prevent the occurrence of defects in the film member by the uneven pressure.

In addition, the present invention has the effect that the vibration of the roll is prevented even during the outer diameter processing and polishing of the roll.

1 is a view comparing the pressure control of the conventional roll and the roll of the present invention.
Figure 2 is a front sectional view of one embodiment showing a pressure control and a horizontal holding roll according to the present invention.
3 is a perspective view of Fig. 2; Fig.
FIG. 4 is an exploded perspective view of FIG. 3; FIG.
Figure 5 is a front cross-sectional view of an embodiment showing a state in which the pressure control and the horizontal holding roll according to the present invention is used.
Figure 6 is a cross-sectional perspective view of an embodiment showing a state that the pressure control and horizontal maintenance through the pressure control and the horizontal holding roll according to the present invention.

Before describing in detail several embodiments of the invention, it will be appreciated that the application is not limited to the details of construction and arrangement of components set forth in the following detailed description or illustrated in the drawings. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front,""back,""up,""down,""top,""bottom, Expressions and predicates used herein for terms such as "left,"" right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation.

The present invention has the following features in order to achieve the above object.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Looking at one embodiment of the present invention for this purpose,

The present invention, the inner periphery roll 10 is formed on the outer periphery interruption, and the stepped portion 12 is formed on both sides of the protrusion 11, respectively; First and second outer cylinder rolls 30 and 40 having one end fitted to the outside of the step 12 and forming an inner space 13 between the inner cylinder roll 10; A pressure adjusting roll 20 inserted into the insertion space 13; Outer shell roll 50 is coupled to the outer circumference of the inner roll (10); .

In addition, the first and second outer rolls (30, 40) is characterized in that it is coupled to the interference fit while shrinking on the outside of the step (12).

In addition, the first and second outer cylinder rolls 30 and 40 have grooves 14 formed on both sides of the protruding portion 11 into which one end of each of the first and second outer cylinder rolls 30 and 40 is fitted. It is characterized by fixing the first and second outer cylinder rolls 30 and 40 to the inner cylinder roll 10 by brazing 14).

In addition, the pressure control roll 20 absorbs the pressing force applied to both ends of the pressure control and the horizontal holding roll, uniform pressure in the longitudinal direction of the film member to move between a plurality of pressure control and the horizontal holding roll. It is characterized by consisting of an elastic material so that it can be provided.

In addition, the pressure control roll 20 is characterized in that the rubber or silicon material is used.

In addition, the pressure control roll 20 is characterized in that the elastic material is used to adjust the hardness within 5 ~ 70 degrees in accordance with the preset pressure applied to the pressure control and the horizontal holding roll.

In addition, the outer shell 50 is characterized in that made of any one material of metal, paint, rubber, silicon, urethane, ceramic, epoxy.

In addition, the present invention comprises the steps of forming a projection 11 in the middle portion of the inner roll (10), and stepped (12) stepped on both sides of the projection (11) (S100); Fitting the pressure control rolls 20 whose hardness is adjusted to the pressing force applied to the rolls to the indentation spaces 13 at both sides of the protrusions 11 (S200); (S300) stepping on one end of each of the first and second outer barrel rolls (30, 40) on the outside of the step (12); Brazing both sides of the protrusions 11 into which one ends of the first and second outer rolls 30 and 40 are fitted (S400); It is characterized in that it is made of consisting; step (S500) for fitting the outer shell roll 50 to the outer circumference of the inner roll (10).

Hereinafter, the pressure control and the horizontal holding roll according to the preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 6.

Pressure control and horizontal holding roll 100 of the present invention includes an inner cylinder roll 10, the pressure control roll 20, the first, second outer cylinder roll (30, 40), the outer shell roll (50).

The inner roll (10) is a circular tubular hollow inside, and is fitted in both ends to protrude to the outside of the rotating shaft 15, it has a form in which both ends are sealed.

In addition, the outer circumferential stop of the inner roll 10 is formed with a protrusion 11 protruding outward, so that the diameter of the stop is relatively larger than both ends of the outer circumference, and the protrusion ( On both sides of 11), stepped portions 12 are formed in stepped shapes, respectively.

That is, protrusions 11 are formed at the outer circumferential stop of the inner roll 10, and diameters on both sides of the protrusions 11 are smaller than the maximum diameter of the protrusions 11, respectively. The stepped portion 12 having a diameter larger than the outer peripheral diameter is to be formed. Thereby, it becomes a form of stepped steps toward the outer periphery of both sides of the inner cylinder roll 10 from the protrusion part 11. As shown in FIG.

(Of course, both ends (left and right) of the inner roll (10) on the basis of the protrusion 11 has a shape that is symmetric with each other each step 12 is formed.

The first and second outer cylinder rolls 30 and 40 are fitted to the outer circumference of the inner cylinder roll 10 described above, the first outer cylinder roll 30 is fitted at one side of the inner cylinder roll 10, and the second The outer cylinder roll 40 is fitted in the other side of the inner cylinder roll 10, respectively. (Of course, since the said 1st, 2nd outer rolls 30 and 40 are the same shape, and both sides of the inner roll 10 are also symmetrical, even if the engagement direction of the 1st, 2nd outer rolls 30 and 40 changes mutually. It doesn't matter.)

The first and second outer rolls 30 and 40 have the same shape as each other, and the inside of the first and second outer rolls 30 and 40 have a pipe shape with both ends open.

One end of the first outer cylinder roll 30 is fitted to one side of the inner cylinder roll 10, the inner peripheral edge of one end of the first outer cylinder roll 30 is in contact with the outside of the step 12 formed on one side of the inner cylinder roll 10 And to be able to be pressed, one end of the second outer cylinder roll 40 is fitted to the other side of the inner barrel roll 10, the inner circumference of one end of the second outer cylinder roll 40 to the other side of the inner cylinder roll 10 It is in contact with the outside of the formed step 12 and to be interference fit.

At this time, one end of the first outer cylinder roll 30 and the step (12) (one side of the inner cylinder roll 10) and the second outer roll and step 12 (the other side of the inner cylinder roll 10) shrinking each other (Shrink) -Fit) to be pressed while processing, the shrinkage is for fastening and fixing the first and second outer cylinder rolls (30, 40) and the inner cylinder roll (10) forming the step 12 on both sides, The first and second outer cylinder rolls 30 and 40 to be fitted are heated by pressing the end (or the whole) to the step 12, and then the ends of the first and second outer cylinder rolls 30 and 40 are fitted. The inner barrel roll 10 heats the step 12 or the entire inner roll 10. Then, the cooling (air cooling, etc.) of the interference fitting portion of the first and second outer cylinder rolls (30, 40) and the inner cylinder roll (10) will have a coupling structure that never falls out from each other. (The step (D) of the step (12) of the both sides of the inner barrel roll 10 was 200 to 300mm in the present invention, so that each of the first and second outer rolls (30, 40) are sewn on the outside of the step (12). The length of the interference will also be equal to the length of the step 12.)

In the present invention, in addition to the interference fit through the shrinkage, brazing (Brazing) for the more secure coupling of the first, second outer cylinder rolls (30, 40) and the inner cylinder roll (10), for this purpose, One outer cylinder roll 30 is sewn into the groove portion 14, which is dug inwardly on both sides of each of the protrusions 11, which are tightly fitted, is formed along the outer circumference, and then the groove portion 14 is brazed (B). By processing, it is possible to more securely fix the first and second outer cylinder rolls 30 and 40 and the inner cylinder roll 10.

To this end, in the present invention, the outer periphery of one end portion of the first and second outer barrel rolls 30 and 40 fitted to the outside of the step 12 is chamfered (C1), and both sides of the upper surface of the protrusion 11 are also chamfered (C2). ), So that the groove portion 14 having a V-shaped cross section is formed on both sides of the protruding portion 11. Of course, if the groove 14 is formed to perform brazing, the method and the shape of the groove 14 may be variously changed by the user.

The pressure control roll 20 is fitted to both outer circumferences of the inner cylinder roll 10 is not formed in the protrusion 11 and the step 12 in the outer periphery of the inner cylinder roll 10 described above, more detailed description When the pressure regulating roll 20 is pressed at one end of the first and second outer rolls 30 and 40 on both sides of the inner roll 10, the inner circumference of the first outer roll 30 and The inner circumferential roll 10 and the outer circumferential edge are spaced apart from each other to form an inner space 13, and the inner circumferential edge of the second outer cylinder roll 40 and the inner circumferential roll 10 are also spaced apart from each other. Will be formed.

That is, a plurality of the pressure regulating roll 20 is used, between the first outer cylinder roll 30 and the inner cylinder 13 between the inner cylinder roll 10 and the second outer cylinder roll 40 and the inner cylinder roll 10. The fitting spaces of the will be positioned to fit each.

At this time, the pressure control roll 20 is fitted into each of the internal space 13 is used a low hardness elastomer rubber or silicone-based elastomer material, the hardness is adjustable, it is possible to adjust the tension (tension) by the pressing force In more detail, the pressure control roll 20 is used by varying the hardness within 5 ~ 70 degrees according to the predetermined pressing force (in accordance with the pressing force) applied to the roll through the pressing means (60) (Eg: hardness 10 degrees, hardness 20 degrees, hardness 30 degrees, etc.), the tension can be adjusted according to the pressing force.

In other words, the film member is transported by pressing a predetermined pressure between a plurality of rolls (when the pressure control and the horizontal holding rolls 100 and 110 according to the present invention are arranged to face each other) installed upside down to correspond to each other up and down. In (P), in the case of the roll (pressure roller, 100) located on the upper side of the plurality of rolls, the pressing force is applied at both ends of the roll to apply pressure to the film member, wherein the pressing force at both ends of the roll As it is concentrated, as shown in (a) of FIG. 1, both ends of the rolls corresponding to the pressure rollers 200 among the plurality of rolls are struck and bent, and thus, the rolls and the rolls 200 , 210 does not maintain the bonding surface between the horizontal, a problem that the film member is damaged by not applying a uniform pressure to the film to be transferred between a plurality of rolls, in the present invention, the pressure control roll (20) ) Both sides of the roll (between the first and second outer barrel rolls 30 and 40 and the inner barrel roll 10) are combined with the hardness adjusted according to the pressing force applied to the predetermined roll, respectively, thereby maintaining the pressure control and the horizontal maintenance of the present invention. The pressure regulating roll 20 absorbs the pressing force intensively applied to both sides of the roll, thereby preventing warpage of the roll and between the roll and the film member or between the roll and another roll as shown in FIG. By maintaining the level of the contact portion it is possible to apply a uniform pressure to the film member to be conveyed to have a uniform thickness and to be transferred.

In addition, it is possible to prevent the roll from shaking during the outer diameter processing and polishing of the roll by the plurality of pressure control rolls 20 described above.

The outer shell 50 is fitted to the outer circumference of the inner cylinder roll 10 described above, the inner circumference of the outer shell roll 50 is a plurality of outer cylinder roll outer circumference and the projection 11 of the inner cylinder roll 10 It is to be in contact with the form, that is, it is coupled to the outermost outer periphery of the inner cylinder roll (10).

Thus, if the outer shell 50 also has a tubular shape of the inner and both ends are formed in a variety of forms, such as rubber, plating, paint coating, any one of metal, paint, rubber, silicone, urethane, ceramic, epoxy Make sure the material is used.

Hereinafter will be described the manufacturing method of the pressure control and the horizontal holding roll of the preferred embodiment of the present invention having the configuration and structure as described above.

1. Forming the projection 11 in the middle portion of the inner barrel roll 10, and forming a stepped step 12 on both sides of the projection 11 (step S100): First and second outer cylinder roll (to be described later) In order to couple the 30 and 40 and the pressure control roll 20, protrusions 11 are formed at the outer circumferential stop of the inner cylindrical roll 10 having a hollow inside, and to both sides of the protrusions 11, respectively. Step difference is to form a step (12).

2. Steps of fitting the pressure control roll 20, the hardness of which is adjusted to the pressing force applied to the rolls, into the indentation spaces 13 on both sides of the protrusions 11 (step S200): the outer circumference of the inner roll (10) In the protrusion 11 and the stepped portion 12 is not formed by fitting the pressure adjusting roll 20 to each of both outer peripheral edges (inner space 13) of the inner roll (10), the pressure control roll ( 20) When fitting, it is used after the tension is adjusted by adjusting the hardness of the pressure adjusting roll 20 in accordance with a predetermined pressing force applied to the roll (pressure control and horizontal holding roll of the present invention). As a result, a part of the pressing force intensively applied at both ends of the roll is absorbed by the pressure control roll 20 so that the roll is not bent and is kept horizontal and pressurized at a uniform pressure at all times so that the film can be transferred. It is.

3. The first and second outer roll rolls 30 and 40, one end portion of the first step (12, respectively) in the shrinkage and coercion step (S300 step): the outer side step 12 of the inner barrel roll 10, the outside The first and second outer cylinder rolls (30, 40) at the periphery of the end of each step is fitted, respectively, through the shrinkage of the first, second outer cylinder rolls (30, 40) are fitted on both sides of the inner barrel roll 10, respectively The first and second outer cylinder rolls 30 and 40 are securely fitted to the inner cylinder roll 10 so as to be secured.

4. Brazing both sides of the protrusions 11 into which one ends of the first and second outer rolls 30 and 40 are fitted (step S400): Following the step S300, the first and second outer rolls 30 and 40 are rotated. In order to more securely to the inner cylinder roll 10, the first and second outer cylinder rolls (30, 40) are fitted to both sides of the protrusion (11) of the inner cylinder roll 10, the grooves formed on both sides of the protrusion (11) By brazing 14, end portions of the first and second outer rolls 30 and 40 and the side surfaces of the protrusions 11 are fixed to each other by brazing, and the first and the second outer rolls 30 and 40 are fixed to the inner roll 10. To be more secure).

5. Fitting the outer shell roll 50 to the outer periphery of the inner roll (10) (step S500): As described above, the first and second outer rolls (30, 40) and the plurality of pressure control roll (20) ) Is fitted around the outermost outer periphery of the inner cylinder roll 10 is coupled, the metal plating, coating of paint, etc. may be used according to the user.

In addition, in the above, the first and second outer cylinder rolls 30 and 40 are coupled to each other by fitting the pressure regulating roll 20 to the inner cylinder roll 10, but according to the embodiment of the user, the first and second ones. After fitting the outer rolls (30, 40) first, it is also possible to combine the pressure control roll (20).

In addition, the pressure control and the horizontal holding roll of the present invention can be made of a non-ferrous material or iron material.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

10: inner roll 11: protrusion
12: step 13: inset space
14: groove 15: rotation axis
20: pressure control roll 30: first outer cylinder roll
40: second outer barrel roll 50: outer shell roll
60: pressurizing means

Claims (8)

An inner barrel roll 10 having a protrusion 11 formed at an outer circumferential edge and having stepped portions 12 formed on both sides of the protrusion 11, respectively;
First and second outer cylinder rolls 30 and 40 having one end fitted to the outside of the step 12 and forming an inner space 13 between the inner cylinder roll 10;
A pressure adjusting roll 20 inserted into the insertion space 13;
Consisting of the outer shell roll 50 is coupled to the outer circumference of the inner roll (10),
The first and second outer barrel rolls 30 and 40 are heated at the end or the whole, and are coupled to the stepped portion 12 of the inner barrel roll 10 to be heated while being coupled by interference fit and cooled, so as not to fall out from each other. To have,
Length D of the step 12 is to be 200 ~ 300mm,
The grooves 14 are formed on both sides of the protruding portion 11 into which one end of each of the first and second outer rolls 30 and 40 are fitted, and the first and second outer rolls 30 and 30 are brazed. 40) to be firmly fixed to the inner roll (10), with the fit through the shrinkage,
The pressure control roll 20 absorbs the pressure applied to both ends of the pressure control and the horizontal holding roll, thereby preventing bending and uniform pressure in the longitudinal direction of the film member moving between the plurality of pressure adjusting and horizontal holding rolls. It is formed of an elastomeric material so that it can be provided, or formed of an elastomeric material whose hardness is adjusted within 5 to 70 degrees in accordance with a preset pressing force on the pressure regulating and leveling roll, or a rubber or silicone material to be used. and,
The outer roll 50 is a pressure control and horizontal holding roll, characterized in that made of any one of metal, paint, rubber, silicon, urethane, ceramic, epoxy.
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