KR101411876B1 - Transfer method for material using transfer apparatus - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material conveying method using a material conveying device, and more particularly, to a material conveying method using a material conveying device that includes a rear roller portion, an intermediate roller portion, and a roller portion of a front roller portion sequentially disposed along a material conveying direction, Moving the rear roller portion to a position corresponding to the lower end of the body portion of the workpiece when the head portion of the workpiece passes the extension of the pressure portion; Moving the intermediate roller portion downward to a position corresponding to the lower end of the body portion of the workpiece; and moving the rear roller portion upward to a position corresponding to the lower end of the workpiece when the body portion of the workpiece passes the rear roller portion .

Description

Technical Field [0001] The present invention relates to a material transfer method using a material transfer device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a material conveying method using a material conveying device, and more particularly, to a material conveying method using a material conveying device installed to convey a material that has passed through a pressure-

Typical steelmaking consists of a steelmaking process to produce molten iron, a steelmaking process to remove impurities from molten iron, a casting process to transform solid iron into solid, and a rolling process to make iron into steel or wire.

In the rolling process, the slab is charged into a heating furnace and reheated at a temperature suitable for rolling (1100 to 1300 ° C) to extract the product. The product is then subjected to a tensile rolling and a thickness rolling through a roughing mill. And a rolling process.

Relevant prior art is disclosed in Korean Patent Publication No. 0032176 (published Apr. 17, 2004, entitled " Bidirectional Transfer Device of Material ").

An object of the present invention is to provide a material conveying method using a material conveying device capable of stably conveying a pressure-stretched material having different sectional shapes of a head portion, a body portion and a tail portion.

A material conveying apparatus according to one aspect of the present invention includes: a rear roller unit which is installed in front of an explosion-proof device for intensifying a material and has a plurality of roller members that are moved up and down in a conveying direction of the material; An intermediate roller portion provided at a front side of the rear roller portion, the intermediate roller portion having a plurality of roller members moved up and down independently from the rear roller portion according to a thickness of the material; And a front roller unit having a plurality of roller members that are moved up and down independently from the intermediate roller unit and installed in front of the intermediate roller unit.

In the present invention, the rear roller portion, the intermediate roller portion, and the front roller portion may include a support bar extending in the conveying direction of the material, the plurality of roller members being rotatably shaft-engaged; A roller rotating device for rotating the roller member; And a height adjustment device for moving the support bar up and down.

In the present invention, the roller rotating device includes a drive motor that is rotationally driven; A connection bar having one side portion connected to the rotation axis of the drive motor and the other side portion connected to the rotation axis of the roller member; A first universal joint installed at a connection portion between the rotation shaft of the driving motor and the connection bar and transmitting the rotational force of the rotation shaft of the drive motor to the connection bar; And a second universal joint installed at a connection portion between the connection bar and the rotation shaft of the roller member and transmitting the rotational force of the connection bar to the roller member.

In the present invention, the connecting bar may include a guide bar connected to a rotating shaft of the driving motor and extending linearly; And a sliding bar having one side portion connected to the rotation shaft of the roller member and the other side portion being slidably coupled to the guide bar.

The height adjustment device may include a first cylinder coupled to a longitudinal side of the support bar and adapted to move up and down one side of the support bar by driving the length of the support bar; And a second cylinder coupled to the other side of the support bar in the longitudinal direction of the support bar and configured to move the other side of the support bar upward and downward by a drive that is elongated and contracted.

The present invention may include a shape measuring unit for measuring a cross-sectional shape of the workpiece; And a control unit for moving the roller members of the front roller unit, the intermediate roller unit and the rear roller unit up and down according to the shape of the workpiece measured by the shape measuring unit and the position of the workpiece, .

A method of conveying a material according to an aspect of the present invention includes a step of arranging a roller member of a rear roller portion, an intermediate roller portion, and a front roller portion, which are sequentially disposed along the conveying direction of the material in front of a pressure- Waiting at a height corresponding to a lower end of the head portion; Moving the rear roller portion downward to a position corresponding to a lower end of the body portion of the workpiece when the head portion of the workpiece passes the pressure-rising extension; Moving the intermediate roller portion downward to a position corresponding to a lower end of the body portion of the workpiece when the head portion of the workpiece passes the rear roller portion; And moving the rear roller part upward to a position corresponding to a lower end of the frame part when the body of the material passes the rear roller part.

According to the present invention, a material having a thickness difference can be stably conveyed while being supported at a lower end by a rear roller portion, an intermediate roller portion, and a front roller portion, which are continuously provided along a material conveying direction and are height- .

The present invention relates to a method and apparatus for manufacturing a pressure-resistant flexible pneumatic tire, in which a material which has been deformed by impact and has a thickness difference in its longitudinal direction is stably held horizontally by a rear roller portion, an intermediate roller portion, Can pass through the outlet of the device.

1 is a side view showing an installed state of a material transfer apparatus according to an embodiment of the present invention.
FIG. 2 is a conceptual diagram illustrating a process of pushing and unbending a material to be transported in a material transport apparatus according to an embodiment of the present invention.
3 is a perspective view and a cross-sectional view illustrating a material to be transported by the material transport apparatus according to an embodiment of the present invention.
4 is a front view showing a material transfer apparatus according to an embodiment of the present invention.
5 is a front view showing an example of an operating state of a material transfer apparatus according to an embodiment of the present invention.
6 is a sectional view taken along the line A-A 'in FIG.
7 is a perspective view illustrating a first universal joint of a material transfer apparatus according to an embodiment of the present invention.
FIG. 8 is a perspective view illustrating an operation of transmitting a rotational force to a first universal joint of a material transfer apparatus according to an embodiment of the present invention.
9 is a flowchart for explaining a material transfer method according to an embodiment of the present invention.
10 is a conceptual diagram showing an example of transferring a workpiece by supporting a head portion of a workpiece according to a workpiece transferring method according to an embodiment of the present invention.
11 is a conceptual diagram showing an example of conveying a material by supporting a head part and a body part of the material according to the material conveying method according to an embodiment of the present invention.
12 is a conceptual diagram showing another example of conveying a material by supporting a head part and a body part of a material according to a material conveying method according to an embodiment of the present invention.
FIG. 13 is a conceptual diagram showing an example in which an entire workpiece is supported and transported according to a workpiece transferring method according to an embodiment of the present invention.

Hereinafter, an embodiment of a material transfer apparatus and a material transfer method using the same according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a side view showing an installed state of a material transfer apparatus according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram illustrating a process of swelling a material to be transported in the material transport apparatus according to an embodiment of the present invention. FIG. Fig. 2 is a perspective view and a cross-sectional view showing a material that becomes a material to be formed.

FIG. 4 is a front view showing a material transfer apparatus according to an embodiment of the present invention, FIG. 5 is a front view showing an example of an operation state of a material transfer apparatus according to an embodiment of the present invention, Sectional view taken along the line A-A 'in Fig.

FIG. 7 is a perspective view illustrating a first universal joint of a material transfer apparatus according to an embodiment of the present invention. FIG. 8 is a perspective view of a first universal joint of a material transfer apparatus according to an embodiment of the present invention, As shown in Fig.

1 and 4, a material transfer apparatus 300 according to an embodiment of the present invention includes a rear roller unit 310, an intermediate roller unit 320, a front roller unit 330, a shape measuring unit 340 ), And a control unit 350, and is installed in front of the explosion-proof device 20 that pushes the work material 10 intensely.

1 and 2, the explosion-proof device 20 is a device for reducing the width of the blank 10 to a desired width by striking a side portion of a flat plate-like material 10 having a rectangular cross section.

The explosion-proof device 20 includes an anvil 21 which hits the side surface of the material 10, a contact 21 which is installed at the front and the rear of the envelope 21 and which transports the material 10 forward by rotational drive And a roller (22).

The envelope 21 protrudes toward the material 10 gradually from the front end portion to the rear end portion and is separated from the material 10 so as to be spaced apart from the material 10, ) And repeatedly hitting the side surface portion of the hood.

At this time, the material 10 is being conveyed forward by the rotation of the contact roller 22 in a state in which the upper surface and the lower surface are in contact with each other by the contact roller 22. [

As shown in FIG. 3, when the side 10 is continuously blown in the longitudinal direction while the material 10 is being transported in the longitudinal direction as described above, the material 10 is wound around the head 11, A part 12, and a tether 13.

The head portion 11 is located at the front portion of the workpiece 10, that is, at the starting point of impact by the anvil 21, so that the amount of widthwise rolling is smaller than that of the body portion 12 and the thickness variation (increase) is also small.

The body portion 12 is located at the middle portion of the material 10 and has a dog bone cross sectional shape that is thicker on the side portion than the center portion as the side portion is pushed toward the center in the width direction by the impact of the anvil 21.

As the tail portion 13 is located at the rear portion of the material 10, that is, at the end point of impact by the envelope 21, the widthwise rolling amount is sharply reduced and the thickness variation (increase ).

That is, the body portion 12 has a larger cross-sectional shape in the width direction than the head portion 11 and the tail portion 13, and has a larger thickness, more specifically, a thicker side portion.

In order to distinguish the head part 11, the body part 12 and the tail part 13, a part of the side surface of the blank 10 which is thicker than the reference value is set as the body part 12, The head part 11 and the tail part 13 can be distinguished.

It is also possible to set the body portion 12 to have a thicker portion in the width direction side portion than the widthwise central portion of the material 10 and divide the front portion and the rear portion thereof into the head portion 11 and the tail portion 13 .

The thickness of the side surface of the material 10 and the thickness of the side surface of the material 10 can be increased by a combination of the thickness of the side surface of the material 10 and the cross- The body part 12 can be set to a thick part.

The material conveying apparatus 300 according to the present invention is capable of moving the material 10 having the shape in which the head part 11, the body part 12, and the tail part 13 are sequentially connected along the longitudinal direction by the above- To be transported.

The rear roller unit 310 includes a plurality of roller members 311 that are moved up and down and are installed in the vicinity of the explosion-proof device 20 in front of the explosion-proof opening device 20.

The plurality of roller members 311 are arranged in the conveying direction of the material 10 so that the upper end forms a seating surface on which the material 10 can be seated and transports the material 10 seated on the upper side by the rotation driving to the front side.

The intermediate roller portion 320 is provided in front of the rear roller portion 310 and includes a plurality of roller members 311 that are independently moved up and down from the rear roller portion 310, ) In the longitudinal direction.

The front roller unit 330 includes a plurality of roller members 311 that are moved up and down independently from the intermediate roller unit 320 and are installed in front of the intermediate roller unit 320.

The head portion 11 and the tail portion 13 of the material 10 are separated from each other by the front rollers 31 and the rear rollers 32 in the state in which the body portion 12 of the material 10 is seated on the intermediate roller portion 320, So that the roller 330 and the rear roller unit 310 are seated.

The rear roller unit 310 according to an embodiment of the present invention includes a plurality of roller members 311, a supporting bar 312, a roller rotating device 313, and a height adjusting device 318.

The support bar 312 extends in the conveying direction of the work 10, and a plurality of roller members 311 are rotatably shaft-engaged.

The support bars 312 are provided on both sides of the roller member 311 in the longitudinal direction (widthwise direction of the workpiece 10), and the rotation axes formed at both ends of the roller member 311 Is rotatably shaft-coupled to the support bar (312) through the support bar (312).

The roller rotating device 313 continuously rotates the roller member 311 whose height is changed by the height adjusting device 318. [

The roller rotating device 313 according to an embodiment of the present invention includes a driving motor 314, a connecting bar 315, a first universal joint 316, and a second universal joint 317.

The driving motor 314 generates a rotational driving force of the roller member 311 for transferring the workpiece 10.

The connecting bar 315 has a structure in which the length is stretchable and deformable by sliding and one side is connected to the rotating shaft of the driving motor 314 and the other side is connected to the rotating shaft of the roller 311, (Rotational displacement) of the roller member 311 to the roller member 311.

One side of the connecting bar 315 is connected to the rotation axis of the driving motor 314 by the first universal joint 316 to be held in a fixed position.

The other side of the connecting bar 315 is connected to the rotation shaft of the roller member 311 by the second universal joint 317 and moved up and down together with the roller member 311 when the roller member 311 moves up and down.

Accordingly, the tilting and extension lengths of the connecting bar 315 change as shown in FIG. 5 in conjunction with the height change of the roller member 311.

Referring to FIGS. 4 and 6, the connecting bar 315 according to an embodiment of the present invention includes a guide bar 315-1 and a sliding bar 315-2.

The guide bar 315-1 is connected to the rotating shaft of the drive motor 314 by a first universal joint 316 and is formed to extend linearly.

The sliding bar 315-2 is connected to the roller member 311 by the second universal joint 317. The inside of the sliding bar 315-2 is hollow and one side portion connected to the guide bar 315-1 is opened.

One side of the guide bar 315-1 is inserted into the sliding bar 315-2 through the opening of the sliding bar 315-2 so as to slide along the extending direction of the sliding bar 315-2.

The guide bar 315-1 has a protrusion formed on the outer surface of the guide bar 315-1 and the inner surface of the sliding bar 315-2 has a shape corresponding to the outer surface of the guide bar 315-1.

As a result, the rotational displacement of the guide bar 315-1 can be stably transmitted to the sliding bar 315-2 without loss.

The first universal joint 316 is installed at a connection portion between the rotation shaft of the drive motor 314 and the connection bar 315 and transmits the rotational force of the rotation shaft of the drive motor 314 to the connection bar 315.

The second universal joint 317 is provided at a connection portion between the connecting bar 315 and the roller shaft 311 so as to transmit the rotational force of the connecting bar 315 to the roller member 311.

As the first universal joint 316 and the second universal joint 317, a universal joint, which is a connecting joint for transmitting power between the two shafts operating at different angles, may be applied.

In particular, a cardan universal joint may be applied as an example of the first universal joint 316 and the second universal joint 317. [

The cardan universal joint has a configuration in which two Y-shaped yokes are provided facing each other on four ends of a cross pin as shown in Fig.

The rotational force (rotational displacement) of the rotational shaft of the driving motor 314 is transmitted to the Y-shaped yoke connected to the driving motor 314, the cross pin, and the Y- And may be transmitted to the connection bar 315 through the yoke (see FIG. 8).

A Y-shaped yoke connected to the connecting bar 315, a cruciform pin, a Y-shaped yoke connected to the roller member 311, a Y-shaped yoke connected to the connecting bar 315 by the first universal joint 316, That is, to the roller member 311 through the second universal joint 317.

The height adjusting device 318 elevates and moves the plurality of roller members 311 simultaneously by moving the support bars 312 up and down.

The height adjusting device 318 according to an embodiment of the present invention includes a first cylinder 318-1 and a second cylinder 318-2.

The end portion of the rod exposed to the outside of the cylinder portion is engaged with one longitudinal side portion (for example, the front portion) of the support bar 312 of the first cylinder 318-1, Thereby moving one side portion of the lifter 312 up and down.

The end of the rod exposed to the outside of the cylinder is coupled to the other longitudinal side portion (for example, the rear portion) of the support bar 312 of the second cylinder 318-2, Thereby moving the other side portion of the upper portion 312 up and down.

When the first cylinder 318-1 and the second cylinder 318-2 are extended by the same length, the support bar 312 is moved upward while being horizontally extended, and a plurality of The dog roller members 311 are also moved upward together with the same displacement.

When the first cylinder 318-1 and the second cylinder 318-2 are driven to be reduced in length by the same length, the support bar 312 is moved down while maintaining a horizontally extended state, and a plurality The roller members 311 are also moved downward together with the same displacement.

The intermediate roller portion 320 and the front roller portion 330 have the same structure as the rear roller portion 310 having a plurality of roller members 311 that are rotationally driven and moved up and down Duplication of the detailed description is omitted.

The shape measuring unit 340 measures the cross-sectional shape of the workpiece 10 that has passed through the explosion-proof device 20. [

The shape measuring unit 340 includes a first sensor 341 installed between the explosion-proof device 20 and the rear roller unit 310, and a second sensor 341 disposed between the rear roller unit 310 and the intermediate roller unit 320, And a second sensor 342 installed at a position corresponding to a rear portion of the first portion 310.

As the first sensor 341 and the second sensor 342, a non-contact type displacement sensor such as a laser displacement sensor for measuring the distance to the upper surface and / or the bottom surface and the side surface of the work 10 can be applied.

The first sensor 341 can measure the cross-sectional shape and the position of the workpiece 10 which passes through the pressure-sensitive adhesive 20 and enters the rear roller portion 310. [

The cross-sectional shape and position of the material 10 entering the intermediate roller portion 320 side from the rear roller portion 310 can be measured using the second sensor 342.

The control unit 350 receives data on the shape of the workpiece 10 in the shape measuring unit 340 and calculates the shape of the workpiece 10 based on the shape of the workpiece 10 measured by the shape measuring unit 340 and the position of the workpiece 10 The front roller unit 330, the intermediate roller unit 320, and the roller unit 311 of the rear roller unit 310 are moved up and down.

Next, with reference to FIGS. 9 to 13, a description will be made of a material conveying method for conveying the material 10 using the material conveying apparatus 300 according to the embodiment of the present invention having the above-described structure.

FIG. 9 is a flow chart for explaining a material conveying method according to an embodiment of the present invention, and FIGS. 10 to 13 sequentially show a process of conveying a material according to a material conveying method according to an embodiment of the present invention It is a conceptual diagram.

10, when the head portion 11 of the workpiece 10 is detected by the first sensor 341 installed in front of the explosion-proof device 20, the rear roller portion 310, the intermediate roller portion 320, , The roller member 311 of the front roller unit 330 is moved downward or upward to a height corresponding to the lower end of the head unit 11 of the workpiece 10 (S1 in FIG. 9)

After the roller member 311 of the rear roller unit 310, the intermediate roller unit 320 and the front roller unit 330 is moved to a height corresponding to the lower end of the head unit 11 of the stock 10, 10) in the standby state.

The head portion 11 of the workpiece 10 is positioned above the rear roller portion 310 while the workpiece 10 is gradually moved forward through the pressure-sensitive adhesive 20.

Since the upper end of the rear roller portion 310 is located at a height corresponding to the lower end of the head portion 11 of the blank 10, the head portion 11 of the blank 10 is bent upward, The rear roller unit 310 is in a state of being stably supported at the bottom.

The head portion 11 of the workpiece 10 is moved in the rear roller portion 310 while the workpiece 10 is moved forward by the rotation of the contact roller 22 and the roller member 311 of the rear roller portion 310, The intermediate roller portion 320 is gradually moved toward the intermediate roller portion 320 side.

When the head 11 of the material 10 passes through the explosion-proof device 20, that is, when the first sensor 341 detects the body 12 of the material 10, The roller member 311 of the rear roller portion 310 is moved downward to a position corresponding to the lower end of the body portion 12 of the blank 10. (S2 in Fig. 9)

The body 10 of the material 10 is positioned on the upper side of the rear roller portion 310 while the head 10 of the material 10 is positioned on the upper side of the intermediate roller portion 320, .

Since the upper end of the rear roller portion 310 is located at a height corresponding to the lower end of the body portion 12 of the material 10, the body portion 12 of the material 10 is bent upward, The rear roller unit 310 is in a state of being stably supported at the bottom.

Since the upper end of the intermediate roller portion 320 is located at a height corresponding to the lower end of the head portion 11 of the workpiece 10, the head portion 11 of the workpiece 10 is also moved to the intermediate roller portion 320 Thereby being stably supported by the bottom.

The material 10 is moved forward by the rotation of the contact roller 22 and the roller member 311 of the rear roller portion 310 and the intermediate roller portion 320 to move the body portion 12 of the material 10 forward, Is gradually moved to the intermediate roller portion 320 side via the rear roller portion 310.

When the head part 11 of the material 10 passes through the rear roller part 310, that is, when the body part 12 of the workpiece 10 is detected by the second sensor 342, The roller member of the intermediate roller portion 320 is moved downward to a position corresponding to the lower end of the body portion 12 of the blank 10. (S3 in Fig. 9)

The body portion 12 of the material 10 is positioned over the rear roller portion 310 and the intermediate roller portion 320 while the material 10 is gradually moved forward.

Since the upper ends of the rear roller portion 310 and the intermediate roller portion 320 are positioned at a height corresponding to the lower end of the body portion 12 of the material 10, the body portion 12 of the material 10 The rear roller portion 310 and the intermediate roller portion 320 are stably supported at the lower end without being bent or stuck to the lower side.

The body portion 12 of the workpiece 10 is gradually moved toward the front roller portion 330 by the rotation of the contact roller 22 and the roller member 311 of the rear roller portion 310 and the intermediate roller portion 320 .

When the body portion 12 of the material 10 passes the rear roller portion 310, that is, when the second sensor 342 detects the tail portion 13 of the material 10, as shown in FIG. 13 The roller member 311 of the rear roller portion 310 is moved upward to the position corresponding to the lower end of the tail portion 13 of the blank 10. (S4 in Fig. 9)

The lower end position of the tail portion 13 of the material 10 is determined so that the tail portion 13 of the material 10 moves from the explosion-proof device 20 to the rear roller portion 310 side while the first sensor 341 The shape data of the sensed material 10 is used.

In this state, the roller members of the front roller unit 330, the intermediate roller unit 320 and the rear roller unit 310 are respectively positioned at the head part 11, the body part 12, 13 at a height corresponding to the lower end thereof.

The intermediate roller portion 320 and the rear roller portion 330 can be moved in the direction opposite to the direction in which the front roller portion 330, the intermediate roller portion 320, And is horizontally supported at the bottom by the roller unit 310.

As shown in FIG. 13, a part of the workpiece 10 is held in a state of being restrained by the contact roller 22 before the entire workpiece 10 passes completely through the explosion-proof device 20. FIG.

According to the embodiment of the present invention, the front roller portion 330, the intermediate roller portion 320, and the intermediate roller portion 320 are formed in the same manner in accordance with the difference in the thickness of the workpiece 10, , The height of the rear roller portion 310 can be adjusted.

Thereby the material 10 passes through the outlet of the explosion-proof device 20 and enters the material conveying device and the boundary between the head part 11 and the body part 12 collides with the material conveying device, 20 can be prevented from being pushed by the material conveying device and bent upward.

The material conveying apparatus 300 and the material conveying method using the same according to an embodiment of the present invention having the above-described structure are provided along the conveying direction of the material 10, It is possible to transfer the material 10 having a thickness difference while stably supporting the lower portion by the rollers 310, the intermediate roller portion 320, and the front roller portion 330.

The material 10 having the thickness difference in the longitudinal direction expanded by the impact in the explosion-proof device 20 is divided into a rear roller part 310, an intermediate roller part 320, a front roller part 330 And can pass through the outlet portion of the explosion-proof device 20 while maintaining a stable horizontal level.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the technical scope of the present invention should be defined by the following claims.

10: Material 11: Head part
12: Body part 13: Tee part
20: explosion-proof device 21:
22: contact roller 300: material conveying device
310: rear roller portion 311: roller member
312: support bar 313: roller rotating device
314: drive motor 315: connection bar
315-1: Guide bar 315-2: Sliding bar
316: first universal joint 317: second universal joint
318: height adjusting device 318-1: first cylinder
318-2: second cylinder 320: intermediate roller portion
330: front roller section 340: shape measuring section
341: first sensor 342: second sensor
350:

Claims (7)

delete delete delete delete delete delete Waiting for a roller member of a rear roller portion, an intermediate roller portion, and a front roller portion, which are sequentially disposed along a conveying direction of the material in front of the pressure-sensitive pressure application device, at a height corresponding to a lower end of the head portion of the material;
Moving the rear roller portion downward to a position corresponding to a lower end of the body portion of the workpiece when the head portion of the workpiece passes the pressure-rising extension;
Moving the intermediate roller portion downward to a position corresponding to a lower end of the body portion of the workpiece when the head portion of the workpiece passes the rear roller portion; And
Moving the rear roller portion upward to a position corresponding to a lower end of the tail portion of the workpiece when the body portion of the workpiece passes the rear roller portion;
Wherein the material transporting method comprises the steps of:

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