KR20170047508A - Apparatus for lessening droop of material - Google Patents

Abstract

Disclosed is a material sagging reduction device. According to the present invention, the material sagging reduction device comprises: a material transfer device transferring a material; and a turnover device where the material transferred by the material transfer device is mounted, and rotated in the transfer direction of the material while the material is clamped, turning over the material. The present invention is able to reduce an amount of sagging of a material caused by a weight of the material.

Description

[0001] APPARATUS FOR LESSENING DROOP OF MATERIAL [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material deflection reducing device, and more particularly, to a material deflection reducing device for reducing deflection of a material due to its own weight.

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. The rolling process is a series of processes in which the slab is charged into a heating furnace, reheated to a temperature suitable for rolling, extracted, and subjected to a tensile rolling and a thickness rolling through a roughing mill and finally rolled into a product having a thickness desired by a customer in a finishing mill .

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Registration No. 0860313 (registered on September 19, 2008, entitled "Slab Calibration Device Modified Inside of a Heating Furnace").

According to an embodiment of the present invention, there is provided a material deflection reducing device capable of reducing deflection of a material due to its own weight.

A material deflection reducing apparatus according to the present invention includes: a material transporting device for transporting a material; And a turnover device for receiving the material being conveyed by the material conveying device, rotating the material toward the conveying direction of the material while the material is being collected, and reversing the material.

The workpiece transporting device may further include a plurality of working beams extending in a direction of transporting the workpiece and disposed in a direction perpendicular to the direction of transport of the workpiece, It is preferable that they are alternately arranged.

The turnover device may further include: a clamp unit for holding the workpiece; A rotatable supporter for rotatably supporting the clamp unit; And a grip rotating device installed on the rotary support for rotating the gripper.

Further, the clamping unit may include: a center frame coupled to the rotary support unit and rotated by the clamping unit; A seating support having a flat surface on which the workpiece is seated and rotatably connected to one side of the center girder; And a support base rotatably connected to the other side of the center zone with a flat surface capable of supporting the workpiece and restraining the workpiece with the support base.

In addition, the clamping unit may include: a seating competition device for rotating the seating support; And a pedestal pivoting device that rotates the support pedestal in a direction opposite to or away from the pedestal support.

The turnover device may further include a height adjusting device for elevating and lowering the rotary support part and adjusting a height of the clamping part.

The present invention further includes a turn-over control unit for controlling the operation of the turn-over apparatus according to the position of the work.

The turnover control unit may include: a first sensor that senses the material at a first position where the turnover device is waiting; A second sensor for sensing the workpiece at a second position where the workpiece is inverted and seated by the turnover device; And driving the turnover device to pick up the material when the material is detected by the first sensor and to drive the turnover device to release the material when the material is detected by the second sensor And a control unit for controlling the display unit.

According to the material deflection reducing apparatus of the present invention, the deflection of the material due to its own weight can be reduced inside the heating furnace by periodically inverting the material using the turnover device during heating of the material. Accordingly, in the state where the material is extracted to the outside of the heating furnace, the material can be smoothly conveyed without interference due to the deflected portion of the material, and the equipment damage due to the collision with the deflected portion of the material can be prevented.

1 is a plan view schematically showing a material deflection reducing apparatus according to an embodiment of the present invention.
2 is a perspective view schematically showing a turnover device of a material deflection reducing device according to an embodiment of the present invention.
3 is a conceptual diagram illustrating an example of using a turnover device of a material deflection reduction device as a fixed beam according to an embodiment of the present invention.
4 is a conceptual diagram illustrating a process of placing a material on a turnover device by the operation of a working beam of a material deflection reducing device according to an embodiment of the present invention.
5 is a conceptual diagram illustrating a process of reversing a material by a turnover device of a material deflection reduction device according to an embodiment of the present invention.
FIG. 6 is a conceptual diagram showing a state in which a material is turned upside down by a turnover device of a material deflection reduction device according to an embodiment of the present invention.
7 is a conceptual diagram illustrating a process of transferring a material to the outside of a turnover device of a material deflection reduction device according to an embodiment of the present invention.
FIG. 8 is a conceptual diagram illustrating a process of returning a turnover device of a material deflection reduction device to a standby state according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, an embodiment of a material deflection reducing apparatus 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.

FIG. 1 is a plan view schematically showing a material deflection reducing apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view schematically showing a turnover apparatus of a material deflection reducing apparatus according to an embodiment of the present invention.

FIG. 3 is a conceptual diagram illustrating an example of using a turnover device of a material deflection reduction device according to an embodiment of the present invention as a fixed beam, FIG. 4 is a schematic view of a material deflection reduction device according to an embodiment of the present invention. FIG. 8 is a conceptual diagram illustrating a process of placing a material on a turnover device by operation of a working beam. FIG.

FIG. 5 is a conceptual diagram illustrating a process of reversing a material by a turnover device of a material deflection reducing device according to an embodiment of the present invention. FIG. 6 is a diagram illustrating a turnover of a material deflection reducing device according to an embodiment of the present invention. Fig. 7 is a conceptual diagram showing a state in which the material is turned upside down by a device. Fig.

FIG. 7 is a conceptual view illustrating a process of transferring a material to the outside of a turnover device of a material deflection reduction device according to an embodiment of the present invention. FIG. 8 is a cross- FIG. 3 is a conceptual diagram illustrating a process of returning the turn-over device of FIG.

Referring to FIGS. 1 and 8, a material deflection reducing apparatus 1 according to an embodiment of the present invention includes a material transferring apparatus 10, a turnover apparatus 20, and a turnover control unit 30.

The material transfer device 10 is a device for transferring the work 2 to one side. The material conveying device 10 can be installed inside the heating furnace. In the following, it is assumed that the material 2 is transported to the right with reference to Figs. 1 and 8.

The turnover device 20 is a device for reversing the workpiece 2 being conveyed by the workpiece conveying device 10. The material 2 being conveyed by the material conveying device 10 is seated on the left side of the turnover device 20 and the turnover device 20 is moved in the conveying direction of the material 2 That is, rotated to the right, and reverses the material 2 by 180 °.

The turnover control unit 30 controls the operation of the turnover device 20 according to the position of the work 2. [ More specifically, the turnover control unit 30 determines whether the material 2 is seated on the left side of the turnover device 20 or seated on the right side of the turnover device 20 in an inverted state by the turnover device 20 The operation of the turnover device 20 is controlled differently depending on whether the material 2 needs to be reversed or not.

Referring to FIGS. 1 and 8, a material transfer apparatus 10 according to an embodiment of the present invention includes a working beam 11 and a fixed beam 12.

The working beam 11 has a beam shape capable of supporting the work 2 and is formed to extend in the direction of conveyance of the work 2. The plurality of work beams 11 are arranged in a direction perpendicular to the conveying direction of the work 2. [ That is, the working beam 11 is formed so as to extend in the left-right direction, and a plurality of the working beams 11 are arranged so as to be spaced apart in the front-rear direction. The turnover device 20 is arranged alternately between a plurality of working beams 11.

Referring to FIGS. 4 and 7, the working beam 11 is raised from the lower side to the upper side with respect to the reference height SH, moved to the right by the set stroke, then lowered below the reference height SH And moves back to the left by the set stroke.

Referring to FIG. 4, in the process of ascending to the upper side of the reference height (SH) on the P1 section, the left side of the working beam (11) (2) which is seated on the fixed beam (12). In the process of descending to the lower side of the reference height (SH), that is, descending from the point P2 to the point P2, after moving the material 2 rightward by the distance between the section P1 and the section P2, The workpiece 2 is seated on the seating support 23 of the turnover device 20 located on the height SH.

Referring to FIG. 7, the right portion of the working beam 11 is moved up to the reference height SH in the P3 section, that is, in the process of rising from the point P3 'to the point P3' (2) positioned on the floor (2). In the process of descending to the lower side of the reference height (SH), that is, descending from the point P4 "to the point P4" after moving the material P to the right by the distance between the section P3 and the section P4, The work 2 is seated on the upper surface portion of the fixed beam 12 positioned on the height SH.

The fixed beam 12 is arranged continuously on the left and right sides of the turnover device 20 with a beam shape that can support the workpiece 2. That is, the fixed beam 12 is disposed between the plurality of working beams 11 together with the turnover device 20. The workpiece 2 is positioned on the reference height SH in a state where the workpiece 2 is placed on the fixed beam 12. [

Referring to FIG. 2, a turnover device 20 according to an embodiment of the present invention includes a grip portion 21, a rotation support portion 27, and a gripper rotation device 28.

The clamping unit (21) is a part for holding the plate-shaped work (2), and is rotatably installed on the rotation supporting part (27). Referring to FIG. 2, the grip unit 21 according to the embodiment of the present invention includes a center zone 22, a seating support 23, a support support 24, a seating assembly 25, 26).

The center region 22 is a portion connected to the rotation support portion 27 and supports the support support 23 and the support support 24 in a rotatable manner. The center zone 22 is rotated by the pivot rotator 28 and the seat support 23 and the support pedestal 24 during the rotation of the center pivot 22 are supported by the seat support 23 And are rotated together with the same displacement.

The seating support 23 is pivotally connected to one side of the center zone 22 with a flat surface on which the workpiece 2 can rest. The support support 24 is rotatably connected to the other side of the center support 22 with a flat surface for supporting the work 2 and restrains the work 2 between the support support 23 and the support support 23.

The center support 22, the support support 23 and the support support 24 are arranged so that the center line 22, the support support 23 and the support support 24 form a horizontal plane as shown in Fig. 3 The fixing beam 12 functions as the fixing beam 12 for providing the seating surface of the workpiece 2 on the clamping unit 21 and the reference height SH.

In the case where there is no concern about sagging of the workpiece 2, that is, when it is not necessary to turn over the workpiece 2, the center girder 22, the seating support 23 and the support support 24 The clamping unit 21 can be used as a continuous auxiliary beam with the fixed beam 12 in a state in which the angle of the center zone 22, the support support 23 and the support support 24 is adjusted so as to form a continuous horizontal plane have.

The seat support 23 is positioned at the bottom of the center zone 22 and the seat support 24 is positioned at the top of the center zone 22 with the center zone 22 upright as shown in Figure 4 . When the angle of the seating support 23 is adjusted to be horizontal, the upper surface of the seating support 23 becomes a horizontal plane in which the material 2 can be seated.

As shown in Fig. 4, when the support support 24 is rotated toward the support support 23 in a state in which the work 2 is placed on the support support 23 located in the P2 section, The support support 24 is brought into contact with the upper surface portion of the work 2 as shown in Fig. 5 (b) and 5 (c), when the center ground 22 is rotated in the clockwise direction while the work 2 is held by the seating support 23 and the support support 24, The seat support 23 and the support support 24 are rotated through 180 [deg.] As shown in Fig. In this process, the material (2) is placed in the P3 section in a state of being inverted by 180 degrees.

The seating competition apparatus 25 is a device that rotates the seating support 23 at a set angle, and is installed on the center zone 22. [ The apparatus 25 can be formed by connecting an actuator such as a motor to a rotary shaft portion of a seat support 23. It is possible to rotate the seating support 23 in a direction facing or away from the supporting stand 24 using the seating device 25.

 The pedestal pivoting device 26 is a device that rotates the pedestal support 24 at a set angle, and is provided on the pedestal support 24. The pedestal pivoting device 26 can be formed by providing an actuator such as a motor to be connected to the rotation axis portion of the support support 24. The support pedestal 24 can be rotated in a direction facing or spaced from the support pedestal 23 by using the pedestal pivoting device 26. [

It is possible to automatically rotate the seating support table 23 and the support table 24 by a predetermined angle with respect to the center point zone 22 by using the seating contest apparatus 25 and the table pivoting device 26 as described above. The seating device 25 and the pedestal pivoting device 26 are not limited to a specific structure and shape as long as they can pivot the seating support 23 and the pedestal support 24 at a set angle.

The rotary support portion 27 is a portion for rotatably supporting the clamping portion 21. [ The rotary support 27 according to an embodiment of the present invention includes a base in the form of a block and a frame support member 28 which is formed to protrude upward from the upper portion of the base and rotatably supports the center zone 22 of the support member 21, .

The gripper rotating device 28 is a device for rotating the gripper part 21 and is mounted on the rotary support part 27. [ The gripper rotating device 28 may be formed by providing an actuator such as a motor to be connected to the rotary shaft portion of the center belt 22. It is possible to rotate the entire clamping unit 21 clockwise or counterclockwise using the clamping device 28. The gripper rotating device 28 is not limited to a specific structure and shape as long as it can pivot the center belt 22 at a set angle.

The height adjusting device 29 adjusts the height of the clamping unit 21 by moving the rotary support 27 up and down. The height adjustment device 29 may be formed by vertically connecting a plurality of cylinders to the lower portion of the base of the rotation support portion 27. It is possible to freely change the height of the grip portion 21, more specifically, the center zone 22 using the height adjusting device 29. [

3, when the center zone 22, the seating support 230 and the support support 24 form a continuous horizontal surface and the upper surface thereof is located at the reference height SH, The portion is located below the reference height SH. In a state in which the workpiece 2 is set to turn over as shown in FIG. 4, the rotary shaft portion of the center spindle 22 is positioned above the reference height SH. The height of the center zone 22 can be freely changed to a position as shown in Figs. 3 and 4 by using the height adjusting device 29. Fig.

Referring to FIG. 1, the turn-over control unit 30 includes a first sensor 31, a second sensor 32, and a control unit 33 according to an embodiment of the present invention.

The first sensor 31 senses the material 2 at the first position (P2 section) where the turnover device 20 is waiting. When the work 2 is put on the seating support 23 of the turnover device 20 located in the P2 section through the P1 section by the operation of the working beam 11, the first sensor 31 senses this .

The second sensor 32 senses the workpiece 2 at the second position P3 section where the workpiece 2 is inverted and seated by the turnover device 20. [ The second sensor 32 senses the movement of the workpiece 2 when the workpiece 2 is turned over by the operation of the turnover device 20 and then reaches the P3 section and is placed on the support support 24 of the turnover device 20.

The first sensor 31 and the second sensor 32 are not limited to specific structures and shapes including a contactless sensor such as a proximity sensor and a contact sensor as long as the material 2 can be sensed.

The control unit 33 drives the turnover device 20 to pick up and turn the workpiece 2 as shown in FIG. 5 when the workpiece 2 is detected by the first sensor 31, When the material 2 is detected, the turn-over device 20 is driven to release the material 2 from the state of holding the material 2 as shown in FIG. Next, when the second sensor 32 is not detected, the control unit 33 controls the turnover device 20 (see FIG. 8) to return to the standby state in which the material 2 can be handed over, .

3, the control unit 33 controls the turnover device 20 and the height adjusting device 20 so as to form a continuous horizontal plane with the fixed beam 12, (29). The material deflection reducing device 1 according to the present invention can be efficiently and efficiently operated while automatically turning on the turnover device 20 according to the position of the material 2 and whether deflection correction of the material 2 is necessary using the control part 33 .

According to the material deflection reducing device 1 of the present invention having the above-described configuration, the material 2 is periodically turned upside down by using the turnover device 20 during heating of the material 2, The amount of deflection of the work 2 can be reduced. Accordingly, the material 2 can be smoothly conveyed without interfering with the sagging portion of the material 2 in the state where the material 2 is extracted to the outside of the heating furnace. As a result, It is possible to prevent damage to the equipment.

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.

1: material deflection reduction device 2: material
10: Material conveying device 11: Working beam
12: fixed beam 20: turnover device
21: Twister 22: Central zone
23: seat support 24: support stand
25: a seat of a seat assembly 26: a seat pivoting device
27: rotary support 28: clamping device
29: height adjusting device 30: turnover control part
31: first sensor 32: second sensor
33:

Claims (8)

A material transfer device for transferring the material; And
And a turn-over device for placing the material being conveyed by the material conveying device and rotating the material toward the conveying direction of the material while the material is being collected, and reversing the material.
The method according to claim 1,
The material conveying device includes:
And a plurality of working beams which are formed to extend in the direction of conveyance of the work and arranged in a direction perpendicular to the conveying direction of the work,
Wherein the turnover device is disposed alternately between the working beams.
The method according to claim 1,
The turn-
A clamp unit for holding the workpiece;
A rotatable supporter for rotatably supporting the clamp unit; And
And a pivot rotatably mounted on the rotary support to rotate the pivotal unit.
The method of claim 3,
The clamping unit includes:
A center frame connected to the rotation support part and rotated by the pivot rotation device;
A seating support having a flat surface on which the workpiece is seated and rotatably connected to one side of the center girder; And
And a support base rotatably connected to the other side of the center zone with a flat surface for supporting the workpiece and restricting the workpiece between the support base and the support base, .
5. The method of claim 4,
The clamping unit includes:
A seating tournament apparatus for rotating the seating support table; And
And a pedestal pivoting device for pivoting the pedestal pedestal in a direction opposite to or away from the pedestal pedestal.
The method of claim 3,
The turn-
And a height adjusting device for adjusting the height of the clamping unit by moving the rotary support unit up and down.
The method according to claim 1,
And a turnover control unit for controlling the operation of the turnover device according to a position of the workpiece.
8. The method of claim 7,
The turn-
A first sensor for sensing the workpiece at a first position where the turnover device is waiting;
A second sensor for sensing the workpiece at a second position where the workpiece is inverted and seated by the turnover device; And
And a second sensor for driving the turnover device to pick up the material when the material is detected by the first sensor and to drive the turnover device to release the material when the material is detected by the second sensor And a controller for controlling the deflection of the material.

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