KR101641978B1 - Apparatus and method for preventing wrinkles of paper - Google Patents

Abstract

A bipolar wrinkle preventing device is disclosed. The apparatus for preventing wrinkles inserted into the strips during winding of a strip supplied through a deflector roll according to an embodiment of the present invention to a tension roll includes at least And a roll driving unit provided in the moving frame for moving the at least one roll back and forth. The roll driving unit is configured such that the surface of the sheet of paper, which is moved to the tension roll after being redirected via at least one roll, And adjusting the position of the at least one roll so as to form the roll and tangled portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for preventing wrinkles,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wrinkle preventing device and a method for preventing wrinkle wrinkling using the same. More particularly, the present invention relates to an apparatus and a method for preventing wrinkle wrinkling that may occur when winding wrinkles and coils from the side of a rolling mill.

In general, a tensioning reel that winds a strip passing through a line facility is mounted on the exit side of each line facility for steel plate production, and the strip is wound in the form of a coil, and the coil is moved to the entrance side of the other line facility.

Such a tension reel means a device for winding a strip into a coil shape for convenience of storage, transportation, and other processing before a strip passed through a cold rolling mill or a hot rolling mill is sent to a post-process. Particularly, In order to prevent scratches or damage due to mutual contact of the strips, the tension reel which winds the strips is protected by surface friction caused by the friction of the strip by inserting the strips between the strips in the process of winding the strips.

In the process of winding the strip in the form of a coil, the wrinkles are formed in the gland when the shape of the wavy paper is bad or the surrounding environment is humid or high in the process of winding the paper sheet together with the strip. The wrinkles are transferred to the winding strip S together with the winding wrinkles, so that the strip is bent and the coil product is defective. Accordingly, various measures for preventing such defects are disclosed.

Patent Document No. 2009-0010495 (published on Jan. 30, 2009) Open Patent Publication No. 2004-0022609 (published on March 16, 2004)

Embodiments of the present invention are to provide an apparatus and method for preventing wrinkles in a wiping sheet, which can prevent the wrinkles of a wiping sheet when the strip is wound together with the wiping sheet.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a banner wrinkle preventing device for preventing the wrinkles of a sheet to be inserted between the strips when a strip is wound on a tension reel through a separator roll, And a plurality of support portions movably arranged between the roller rolls to selectively contact the guide rollers, wherein the plurality of support portions comprise at least one tension adjusting roll for imparting a tension so that the wrinkles are not formed by supporting the guide ribs, And a guide roll guiding the separator so that the separator forms a tangential portion where the separator rolls in a tangential direction with respect to the separator roll at the downstream side of the at least one tension control roll .

And a frame driving unit for driving a linear reciprocating motion of the moving frame.

Further, the frame driving unit includes at least one of an electric, electronic, hydraulic, and pneumatic cylinder having a rod connected to the moving frame and moving back and forth.

Wherein the at least one tension adjusting roll includes a first tension adjusting roll and a second tension adjusting roll which support the kanji in two different portions with respect to the moving direction of the kanji, 2 at least one of the tension adjusting roll and the guide roll may be provided in the form of a banana roll.

And a plurality of roll driving parts provided on the moving frame to move the first tension roll, the second tension roll and the guide roll forward and backward and backward so as to come into contact with or contact with the guide plate.

Further, the plurality of roll drivers each include at least one of an electric, electronic, pneumatic, and hydraulic cylinder.

According to another aspect of the present invention, there is provided a method for preventing the wrinkles of the separator inserted between the strips when the strip supplied through the separator rolls is fed to the tension reel, comprising the steps of: Wherein a plurality of support portions that move in contact with the separator at positions between the rolls are disposed so that the plurality of support portions are pressed against the separator to move to the tension reel via the plurality of support portions, And then wound on the tension reel in a state of being in close contact with the surface of the strip moving from the deflector roll to the tension reel.

According to still another aspect of the present invention, there is provided an apparatus for preventing wrinkles in a sheet to be inserted between strips when a strip supplied through a separator roll is fed to a tension roll, And a roll driving unit provided on the moving frame to move the at least one or more rolls back and forth, wherein the roll driving unit is turned by the at least one roll And the position of the at least one roll may be adjusted so that the surface of the sheet moving to the tension roll forms a tangent portion with the deformer roll.

The embodiments of the present invention can prevent wrinkles from being wrinkled along with the strip, thereby reducing quality defects of the coils due to wrinkles.

1 is a perspective view of a bipolar wrinkle preventing device according to an embodiment of the present invention.
2 is a side view of a bipolar wrinkle preventing device according to an embodiment of the present invention.
3 is a perspective view illustrating a banana roll according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below are provided by way of example so that those skilled in the art will be able to fully understand the spirit of the present invention. The present invention is not limited to the embodiments described below, but may be embodied in other forms. In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience. Like reference numerals designate like elements throughout the specification.

Also, terms including ordinals such as " first, " " second, " and the like can be used to describe various elements, but the elements are not limited by terms. Terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terms used in the present application are used to illustrate the embodiments and are not intended to limit or limit the invention, and the singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprise", "comprising", and the like are intended to specify the presence of stated features, integers, steps, components, or combinations thereof, and may include one or more other features, Steps, elements, or combinations thereof, as a matter of convenience, without departing from the spirit and scope of the invention. Also, when a part is referred to as being "connected" to another part, it includes not only a direct connection but also an indirect connection between the other parts.

FIG. 1 is a schematic view of a strip winding apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating a banner wrinkle preventing apparatus according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the strip winding apparatus includes a tension reel 20 which is wound in a coil shape by being provided with a strip 10 together with the strips 10, A deflector roll 30 provided at a rear upper portion of the upper tension reel 20 to support the strip 10 and a strip 10 installed at the front upper portion of the separator roll 30 and wound on the tension reel 20 And a tension roller 40 which is located between the separating roll 40 and the tension reel 20 and is released from the separating roll 40 to prevent the wrinkles of the separator moving to the tension reel 20, And an anti-wrinkle preventing device (50).

The strip 10 drawn out from the rolling mill is moved downward through the separator roll 30 and then wound on the tension reel 20. The separator 15, which is unwound from the separator roll 40 and moves downward, 10 to the tension reel 20.

The wrinkle preventing device 50 prevents the wrinkles of the wiping sheet 15 by applying pressure to the wiping cloth 15 by pressing the wiping cloth 15 which is released from the wiping roll 40.

The wrinkle preventing device 50 includes a plurality of supporting portions 70 provided on a moving frame 60 disposed at a position between the separating roll 40 and the separating roll 30 and a plurality of supporting portions 70 provided on a straight line And a frame driving unit 80 for driving reciprocating movement.

The movable frame 60 can be slidably mounted along the rail 62 provided on the support 61 and moved toward the separator roll 30 by driving of the frame drive unit 80, It can reciprocate linearly in a direction away from the roll 30.

The frame driving unit 80 may include any one of electric, electronic, hydraulic, and pneumatic cylinders having a rod 81 whose one end is connected to the moving frame 60 to be stretched and driven.

The plurality of supports 70 may include a roll in which the arrangement angle of the movable frame 60 is different from each other.

The plurality of supporting portions 70 are provided on at least one or more tension adjusting rolls 70 that support the separator 15 in two different portions with respect to the moving direction of the separator 15 that is unwound from the separator roll 40 and moves to the tension reel 20. [ A guide roll 15 for supporting the separator 15 to move the separator 15 at the same angle as the strip 10 moving toward the tension reel 20 via the separator roll 30 73).

At least one tension adjusting rolls 71 and 72 support the separator 15 at the upstream side near the separator roll 40 with respect to the moving direction of the separator 15 moving in the separating roll 40, A first tension adjusting roll 71 for imparting a tension for removing the wrinkles to the wiping sheet 15 and a wiping sheet 15 supported on the downstream side of the first tension adjusting roll 71 with respect to the moving direction of the wiping sheet 15, And a second tension adjusting roll 72 which is provided on the second tension adjusting roll 72.

The first tension regulating roll 71 can be rotatably supported at both ends by a first roll driving part 74 arranged to form a first angle with respect to the upper surface of the moving frame 60, May be rotatably supported at both ends thereof by a second roll driving part 75 arranged to form a second angle smaller than the first angle with respect to the upper surface of the moving frame 60. [

As shown in FIG. 3, the first tension adjusting roll 71 and the second tension adjusting roll 71 may be provided in the shape of a banana roll whose center is convexly curved. Is formed in contact with the separator roll 30 in the direction of the separator roll 30 to form a separating movement path having a certain curvature from the separator roll 40 to the separator roll 30, 15).

Here, the first tension adjusting roll 71 and the second tension adjusting roll 72 are in contact with each other by the first roll driving part 74 and the second roll driving part 75, respectively, The tension of the separator 15 can be finely controlled. The first roll driving part 74 and the second roll driving part 75 may be composed of any one of electric, electronic, hydraulic and pneumatic cylinders having one end connected to the corresponding tension adjusting roll and moving forward and backward, And a control valve (not shown) for controlling the amount of working fluid supplied to the cylinder so as to control the tension of the separator 15 when the separator is composed of a hydraulic cylinder and a pneumatic cylinder.

The guide roll 73 may be provided in a cylindrical or banana roll shape in which both ends are rotatably supported at the end of the third roll driving part 76 disposed substantially in the horizontal direction in the moving frame 60, 30 in the direction of the separator roll 30 to change the direction of the separator 15 which moves toward the separator roll 30 via the guide roll 73. [ Here, the third roll driving unit 76 may be composed of any one of electric, electronic, hydraulic, and pneumatic cylinders having one end connected to the guide roll 73 and moving back and forth.

The guide roll 73 is guided by the third roll driving portion 76 to the tangential reel 20 via the guide roll 73. The guide roll 73 is tangent to the tangential direction of the separator roll 30, It can be moved to a position where the contact portion C can be formed.

The separator roll 15 is moved from the separator roll 30 to the tension reel 20 after forming the tangent portion C with the separator roll 30 So that it is wound on the tension reel 20 at the same angle as the traveling path of the strip 10 because it is brought into close contact with the surface of the strip 10.

Therefore, wrinkles are prevented from being generated by the plurality of supporting portions 70 and the separator roll 30 is moved from the separator roll 30 to the tension reel 20 The movable separator 15 is wound on the tension reel 20 at the same angle as the strip 10 in a state of being closely attached to the surface of the strip 10 and therefore is moved between the tension reel 20 by the separator roll 30 The occurrence of wrinkles of the separator 15 is remarkably reduced.

Hereinafter, the operation of the bipolar wrinkle preventing device according to the embodiment of the present invention will be described.

The strip 10 delivered from the exit of the rolling mill is guided to the tension reel 20 disposed below the separator roll 30 via the separator roll 30 and wound therearound so that the tension reel 20, The separator 15 inserted between the strips 10 wound on the separator roll 30 is provided in a separator roll 40 disposed above the separator roll 30. The separating roll 40 and the tension reel 20 are disposed in front of the separator roll 30 with respect to the traveling direction of the strip 10 and the separating reel preventing device 50 is disposed between the separating roll 40 and the tension roll 20. [ Is positioned between the reels (20) and movable toward the diffuser roll (30).

When the tension reel 20 rotates and winds the strip 10, the sheet 15 wound on the sheet roll 40 is unwound and pulled down, and then wound together with the strip 10.

At this time, the frame 60 is advanced by a predetermined distance toward the separator roll 30 by driving the frame driving unit 80, and then the plurality of roll driving units are driven forward to feed the plurality of supports 70 to the separator rolls 40 against the surface of the separator (15) moving in the released state.

In this case, the separator 15, which moves from the separator roll 40 to the separator roll 30, is supported by the plurality of supports 70 to form a separating movement path having a certain curvature, .

A guide roll 73 which is disposed in a position close to the separator roll 30 and in contact with the separator 15 among the plurality of supports 70 has a separator 15 moving toward the tension reel 20, Is advanced by the third roll driving unit 76 to a position where it can be retreated in the tangential direction with the roll 30 and is brought into pressure contact with the surface of the wastepaper 15.

The separator 15 moving from the separator roll 40 to the separator roll 30 is prevented from being wrinkled by the plurality of supports 70 and the separator rollers 30, 15 are brought into contact with the surface of the strip 10 moving to the tension reel 20 via the deformer roll 30 after being tangentially tilted with the separator roll 30 and provided to the tension reel 20 .

Therefore, the wrinkle occurrence probability of the separator 15 moving from the separator roll 40 to the tension reel 20 via the separator roll 30 is remarkably reduced, so that quality defects due to defects of the separator 15 can be reduced .

In the embodiment of the present invention, a plurality of supporters that are in press contact with the separator 15 moving from the separator roll 40 to the separator roll 30 are shown. However, this is only an example, The surface of the separator 15 moving to the tension reel 20 after the direction is changed through the roll is applied to the separator roll 15 using the roll, Of course.

The foregoing has shown and described specific embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims.

10: strip, 15: kanji,
20: tension reel, 30: deflector roll,
40: separator roll, 50: wrinkle preventing device,
60: moving frame, 70: supporting portion,
71, 72: tension adjusting roll, 73: guide roll,
80: Frame driving part.

Claims (8)

Claims [1] A bipolar folding prevention device for preventing wrinkles of a sheet to be inserted between strips when a strip is wound on a tension reel through a separator roll,
And a plurality of supporting portions movably arranged between the separating rolls for supplying the separating rollers and the separating rollers so as to selectively contact the separating rollers,
Wherein the plurality of support portions include at least one tension control roll for supporting the separator to impart tension to prevent wrinkles from being formed, and a separator for separating the separator roll from the separator roll at the downstream side of the at least one tension control roll, And a guiding roll for guiding the kanji to form an engaging tangent portion. The method according to claim 1,
And a frame driving unit for driving a linear reciprocating motion of the moving frame. The device as claimed in claim 1, 3. The method of claim 2,
Wherein the frame driving unit includes at least one of an electric, electronic, hydraulic, and pneumatic cylinder having a rod connected to the moving frame and moving back and forth. 3. The method of claim 2,
Wherein the at least one tension adjusting roll includes a first tension adjusting roll and a second tension adjusting roll which support the kanji in two different portions with respect to the moving direction of the kanji,
Wherein at least one of the first tension adjusting roll, the second tension adjusting roll and the guide roll is provided in the form of a banana roll. 5. The method of claim 4,
And a plurality of roll driving portions provided on the moving frame to move the first tension adjusting roll, the second tension adjusting roll and the guide roll forward and backward to move the first tension adjusting roll, the second tension adjusting roll and the guide roll back and forth to contact or release the guide. 6. The method of claim 5,
Wherein the plurality of roll drivers each include at least one of an electric, electronic, pneumatic, and hydraulic cylinder. delete delete

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