KR100314844B1 - Automatic cutting device of width rolling roll - Google Patents

Abstract

PURPOSE: When a width rolling roll is extracted and cut, a chock bearing is not disassembled, and the roll is not turned over, and a cutting process is carried out, thereby preventing safety accident and improving working efficiency. CONSTITUTION: An automatic cutting device of a width rolling roll is composed of a main frame(10), a chock bearing fixing portion(30), a roll cutting portion and a controller(90). The chock bearing fixing portion is attached with a chock bearing, and a width rolling roll is mounted vertically. The chock bearing fixing portion is mounted on the main frame slidably. The roll cutting portion rotates the width rolling roll moved by the chock bearing fixing portion. The roll cutting portion is mounted in one side of the main frame for installing cutting elements. The controller controls the chock bearing fixing portion and the roll cutting portion.

Description

Automatic turning device of width rolling rolls

The present invention relates to an apparatus for drawing and turning and remounting a width rolling roll for width rolling a slab extracted from a heating furnace. More specifically, the present invention does not disassemble the choke bearing and does not invert the roll. The present invention relates to an automatic turning device of a width rolling roll designed to shorten the turning work by turning and refitting, thereby preventing safety accidents and improving maintenance work efficiency.

In general, a width rolling roll for width rolling a slab extracted from a heating furnace of a steel making facility is used for breadth rolling after drawing out of a facility after turning for a predetermined time and turning it again.

Conventionally, the work method for drawing, turning and remounting the width rolling rolls, as shown in FIG. 1, is the sovereign 112 and the winding winding 114 of the ceiling crane with the choke bearings 120 mounted at both ends thereof. To perform the hook work on the, so that both ends are rotated by 90 ° in a state of being hanged by the sovereignty 112 and the winding right 114, and horizontally, as shown in Figure 2 remove the choke bearing in a horizontal state The choke bearing 120 is removed from the roll 110 by being placed in the device 130, and the rope is moved to the lathe 140 again by hooking the ceiling crane, and turning is performed by the lathe 140, and turning is completed. Width rolling roll 110 is to be remounted in the facility through the reverse process of the above.

However, in such a conventional work process, a string hanger for removing the roll 110 and the choke bearing 120 from the facility, a dismantling operation for removing the choke bearing 120 from the roll 110, roll 110 ) The work process for mounting the rack on the shelf and refitting after turning is complicated and requires a considerable amount of time, resulting in poor work efficiency. It had a problem etc. which were exposed.

The present invention is to solve such a conventional problem, when drawing and remounting the width rolling roll for the width rolling of the slab extracted from the heating furnace after rolling complete and does not disassemble the choke bearings and do not invert the roll It is an object of the present invention to provide an automatic turning device for width rolling rolls which is intended to shorten the turning work by turning in the state and to refit it, thereby preventing safety accidents and improving maintenance efficiency.

1 is a schematic explanatory view showing the operation for turning for width rolling roll turning according to the prior art

Figure 2 is a schematic explanatory view showing the choke bearing removal operation of the width rolling roll inverted by the prior art.

Figure 3 is a schematic illustration showing the operation of mounting the width rolling roll on the lathe for turning in the state in which the choke bearing is removed by the prior art;

Figure 4 is an external perspective view showing an automatic turning device of the width rolling roll according to the present invention

5 is an exploded perspective view showing an automatic turning device of a width rolling roll according to the present invention.

Figure 6 is a schematic configuration diagram showing a state in which the width rolling roll is attached to the automatic turning device of the width rolling roll according to the present invention.

Explanation of symbols on the main parts of the drawings

10 ... Main frame 12 ... Straight groove

14 ... Guide groove 30 ... Choke bearing retainer

32 ... choke bearing fixing plate 34 ... moving body

35,36 ... Turning 38 ... Drive motor

50 ... roll turning part 55 ... choke bearing fixing plate

57 ... cylinder 58 ... hydraulic source

59 ... roll support 61 ... drive motor

63 ... cylinder 65 ... screw shaft

67 ... drive motor 70 ... Shanghai body

73 ... screw shaft 75 ... drive motor

78 ... horizontally moving body 81 ... byte

82 ... chip box 90 ... control unit

In order to achieve the above object, the present invention is a turning device for turning a width rolling roll that is supported by the choke bearings, the width rolling roll in a vertical state, forming a straight groove in the left and right directions, A main frame mounted with a drive motor received and connected to a screw shaft supported to be rotatable by a bearing member; A choke bearing fixing part having a choke bearing fixing plate which is formed to be slidably fitted into said straight groove, and a screw hole for screwing into said screw shaft, and has a lower choke bearing mounted on an upper surface thereof; The choke bearing fixing plate is installed on the choke bearing fixing part side of the vertical frame fixed vertically to one side of the main frame so as to be rotatable by the pin and the cylinder, and is connected to the choke bearing fixing plate, which is connected to the cylinder of the vertical frame. A roll rotating support which is movable and rotated by a drive motor, a shanghai body which is screwed to a screw shaft of a drive motor installed perpendicular to the vertical frame, and shangdong, and a drive motor installed horizontally on the shanghai body A roll turning part having a horizontal moving body configured to horizontally move by screwing into a screw shaft of the mounting shaft and to mount a turning bite; A hydraulic generator for supplying hydraulic pressure to the cylinder; And a control unit configured to control the operation of the drive motor and the cylinder.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 4 is a perspective view schematically showing an automatic turning device of the width rolling roll according to the present invention, Figure 5 is an exploded perspective view, so as to have a rigidity and an appropriate degree of size for supporting the components of the device (1). The main frame 10 and the choke bearing 120 are mounted on the choke bearing fixing part 30 so as to be slidably mounted on the main frame 10 by mounting the width rolling roll 110 in a vertical state. Roll turning part provided on one side of the main frame 10 so that the width rolling roll 110, which has been moved by the choke bearing fixing part 30, can be mounted while rotating and maintaining elements in a vertical state. 50, and the control part 90 which controls the choke bearing fixing part 30 and the roll turning part 50 is divided roughly.

The main frame 10 can withstand the force of the entire component of the apparatus as well as the force due to the mechanical rolling force generated when turning the rolling roll 110 and the rolling roll 110 with the choke bearing 120. Linear groove 12 having a rectangular cross-section having a certain length in the width direction, and a guide groove 14 positioned parallel to each other so as to be spaced apart from both sides of the linear groove 12 in a width direction; And a vertical frame 52 for integrally forming components forming the roll turning part 50 is integrally fixed to one upper surface of the straight groove 12 and the guide groove 14.

The choke bearing fixing part 30 is integrally formed with the choke bearing fixing plate 32 formed in an approximately disc shape in which one of the choke bearings 120 mounted on both ends of the rolling roll 110 can be placed. The choke bearing fixing plate 32 is formed on the lower surface of the lower choke bearing 120, which is usually mounted on the lower side of the width rolling roll 110, as shown in FIG. By forming a plurality of grooves 33 to be fitted with a plurality of protrusions 122 are formed so that the choke bearing 120 is mounted on the choke bearing fixed plate 32 can be made smoothly, the moving body ( The lower surface of the 34 is formed with a plurality of projections (35, 36) parallel to each other, the projections 35 formed in the center is to be fitted so as to slide in the straight groove 12, the projections (35) Protrusions 36 formed on both sides of the guide grooves 14 As it is retractably fitted, of course, the shape of the protrusions 35 and 36 is not limited to any particular one, and in the embodiment of the present invention, the straight grooves 12 and the protrusions 35 have a substantially rectangular cross section and are guided. The grooves 14 and the projections 36 are upper and lower beams of which the width becomes larger toward the lower side, and the movable body 34 is left and right on the main frame 10 when the movable body 34 is mounted on the main frame 10. In order to make the slides easy to move, they are not separated from each other. In addition, a screw hole 35a penetrating through the protrusion 35 is formed, and the screw shaft 37 fastened by screwing to the screw hole 35a connects the bearing member 37a to the main frame 10. It is mounted so as to be rotatable by a medium, one end of the screw shaft 37 is connected to the drive motor 38, the drive motor 38 is electrically connected to the control unit 90 to operate the drive motor 38 As the screw shaft 37 connected thereto rotates the choke bearing fixing part 30 on the main frame 10.

The vertical frame 52 integrally fixed to the main frame 10 so as to mount the components of the roll turning part 50 forms a square through hole 53 toward the choke bearing fixing part 30. When the width rolling roll 110 is mounted with the choke bearing 120 mounted on the choke bearing fixing part 30 and moves toward the roll turning part 50, the upper and lower choke bearings 120 are located. A plurality of choke bearing fixing arms 55 are respectively mounted on the vertical frame 52 of the vertical frame 52 so as to be able to rotate in the horizontal direction via the pins 56. Thus, each of the fixing arms 55 installed in pairs on the upper and lower sides thereof is The end portion is formed by the bent end portion (55a) bent toward each other to be rotated to grab the outer surface of the choke bearing (120), so that each fixing arm 55 is mounted to the vertical frame (52) Connected to the cylinder 57, such as hydraulic pressure The 57 is connected to the hydraulic source 58 for generating the hydraulic pressure via a solenoid valve (not shown), etc. The hydraulic source 58 and the solenoid valve are electrically connected to the control unit 90 and the control unit 90 By controlling the cylinder 57, the choke bearing fixing arm 55 is rotated in a direction away or away from each other via the pin 56, so that the choke bearing 120 to be positioned between them is applied to an appropriate force. The bent end (55a) of the choke bearing fixing plate 55 is a groove 124 is formed on the outer surface of the choke bearing 120, which is commonly used for ease of hooking, etc. It is intended to be fitted, and this bending end 55a is not limited to the essential shape of the present invention.

When the width rolling roll 110 is mounted on the choke bearing fixing part 30 with the choke bearing 120 mounted on the upper end of the vertical frame 52 and moves toward the roll turning part 50, the upper choke bearing ( The roll rotation support 59 is mounted to be positioned at the upper end of the 120, and the roll rotation support 59 has an end portion of the roll 110 as shown in FIG. 3. The grooves 59a are formed to accommodate the chamfers 112 having a shape (see the bottom view of the roll rotation support 59 in FIG. 4) to be firmly fitted to each other and to be coupled to each other. ) Is connected to the drive motor 61 by the gearbox 60 and the drive motor 61 is electrically connected to the control unit 90, the roll rotation support 59 is rotated by the rotation of the drive motor 61. To rotate the roll 110 coupled thereto, and one side of the gearbox 60. The end is bent into a roughly "a" shape so that the bent portion is slidably fitted into a hole 62 formed in a rectangular cross section of a predetermined length up and down at the upper end of the vertical frame 52.

At this time, the bottom surface of the square hole 62 is installed to operate in the vertical direction, and fixed to the cylinder (63) connected to the hydraulic generator (58) via a solenoid valve (not shown), the rod of the cylinder (63) The gear box 60 is fixed to the gear box 60 and the solenoid valve is connected to the control unit 90 so that the cylinder box 63 is moved back and forth by the control unit 90. (59) is to be raised and lowered in a certain length in the vertical direction.

In addition, the vertical frame 52 is provided with a hole 64 having a predetermined length in the vertical direction, and the screw shaft 65 is accommodated in the hole 64, and the screw shaft 65 is the vertical frame 52. It is rotatably supported by a bearing member 66 coupled to the one end of the screw shaft 65 is connected to the drive motor 67 fixed to the vertical frame 52, the drive motor 67 is a control unit Electrically connected to 90 so that the screw shaft 65 can be rotated by the drive of the drive motor 67, the hole 64 is the square through hole 53 side of the vertical frame 52 It consists of an open groove 68 continuously opened in the longitudinal direction, the screw hole 71 formed in one side of the shanghai body 70 and penetrated in the vertical direction through the open groove 68 through the screw shaft As the screw shaft 65 is rotated by being coupled with the screw 65, the shank and shank body 70 moves up and down. It is moved. Of course, the shankdong body 70 is preferably formed to form the screw hole 71 in the protrusion 72 is formed to be substantially the same as the width of the opening groove 68 to prevent the shaking at the same time. .

The shank body 70 is mounted with a screw shaft 73 in a direction corresponding to the longitudinal direction of the straight groove 12 and the guide groove 14 while being perpendicular to the screw hole 71, and the screw shaft ( 73 is rotatably supported by a bearing member 74 fixed to the shanghai body 70, and one side end of the screw shaft 73 and the drive motor 75 is fixed to the shanghai body 70; The drive motor 75 is electrically connected to the control unit 90 to allow the screw shaft 73 to rotate when the drive motor 75 rotates, and accommodates the screw shaft 73. The 76 is formed on one side of the horizontal movable body 78 through the open groove 77, the opposite side formed with the projection 72 is formed in the open groove 77 continuously open in the longitudinal direction through the horizontal The screw hole 79 is coupled to the screw shaft 73 by screwing, so that the horizontal body 78 rotates when the screw shaft 73 is rotated. Moves in the horizontal direction. Of course, the horizontal movable body 78 is preferably formed in the protrusion portion 80 is formed to be substantially the same as the width of the opening groove 77 to prevent the shaking during the horizontal movement thereof .

At this time, the horizontal movable body 78 is equipped with a bite 81 used for turning at the choke bearing fixing part 30 side end, so that the bite 81 is roll 110 through the square through-hole 530 during roll turning Touch the outer surface with) with appropriate force so that the roll can be turned.

Of course, it is preferable to mount a chip box 82 on the lower end side of the rectangular through hole 53 so as to accommodate chips generated when turning the roll by the bite 81.

In addition, the controller 90 is pre-programmed so that power can be supplied to components that require power when necessary, and if necessary, a separate operation panel 92 may be installed to perform partial operation (for example, a roll It is desirable to allow the choke bearing fixing part 30 to be seated on the choke bearing fixing part 30 and to move the choke bearing fixing part 30 to be fixed to the roll turning part 50 by the operator's operation.

In order to automatically turn the width rolling roll by using the apparatus of the present invention having the above-described configuration, first, the choke bearing 120 is mounted on the width rolling roll 110 that requires turning after completing rolling. The ceiling crane is moved to the choke bearing fixing part 30 and mounted on the choke bearing fixing plate 32.

Next, when the drive shaft 38 is operated to rotate the screw shaft 37, the moving body 34, which is connected to the screw shaft 37 by screwing, is moved along the guide groove 14 toward the roll turning part 50. When moving to an appropriate position (of course, such determination can be made directly by the operator, if necessary, by mounting a pulse generator or the like on the drive motor 38 to measure the moving distance of the choke bearing fixing unit 30). Various embodiments can be configured such that the determination is made by the control unit 90, or a separate sensor is installed so that the determination can be made by the sensor (as follows) The drive motor 38 stops.

Subsequently, when the driving motor 38 stops, the outer surface of the choke bearing 120 is moved while the choke bearing fixing arms 55, which are separated from each other by the cylinder 57, are retracted by the forward motion of the cylinder 57. After the operation is completed, the gear box 60, which has been moved forward and ascended, is lowered by the backward motion of the cylinder 63, and the roll rotation support 59 mounted thereon is fixed. The lower end is firmly fastened to the upper end of the roll 110, and by this state all the preliminary work for turning is completed.

For turning of the roll 110, when the driving motor 61 is rotated in the state in which the preliminary work is completed, the roll rotating support 59 connected thereto rotates, and the width rolling roll 110 starts to rotate. By operating the drive motors 67 and 75 for moving the bite 81 up and down and in the horizontal direction in the state, the bite 81 moves to the width rolling roll 110 through the rectangular through hole 53 and is turned. Work will be done.

Of course, when the turning is completed, all the components are returned to the initial state by the operation opposite to the above, and it is sufficient to remount the width rolling roll 110 that is completed by turning using the ceiling crane.

As described above, according to the automatic turning apparatus of the width rolling roll according to the present invention, the turning operation of the width rolling roll for the width rolling is made so that the choke bearing is not disassembled and is maintained in the vertical state. Work process for turning is simple and can improve work efficiency and there is not much work to hang a rope to use ceiling crane, so it has an excellent effect to prevent the risk of safety accident.

Claims (5)

In the turning device for turning the width rolling roll 110, the both ends are supported by the choke bearing 120, the width rolling roll in the vertical state, A straight line 12 is formed in the left and right directions, and a main motor having a drive motor 38 connected to the screw shaft 37 accommodated in the straight groove 12 and rotatably supported by the bearing member 37a is mounted. Frame 10; The projection 35 is slidably fitted into the straight groove 12, and the screw hole 35a is screwed to the screw shaft 37, and the lower choke bearing 120 is placed on the upper surface. A choke bearing fixing part 30 having a choke bearing fixing plate 32; The choke bearing fixing part 30 of the vertical frame 52 vertically fixed to one side of the main frame 10 is installed in a pair so as to be rotatable by the pin 56 and the cylinder 57 so as to be retracted or opened. The choke bearing fixing plate 55 mounted so as to be mounted, the roll rotating support 59 connected to the cylinder 63 of the vertical frame 52 and being rotatable by the drive motor 61, the vertical frame ( 52 of the shank dong body 70 which is screwed to the screw shaft 65 of the drive motor 67 installed perpendicularly to the shank dong, and the drive motor 75 horizontally installed on the shank dong body 70. A roll turning part 50 having a horizontal moving body 78 screwed to the screw shaft 73 to move horizontally and mount the turning bite 81; A hydraulic generator (58) for supplying hydraulic pressure to the cylinder; And, And a control unit (90) configured to control the operation of the drive motor and the cylinder. The choke bearing fixing plate 32 of the choke bearing fixing part 30 forms a groove 32 into which the protrusion 122 formed at the lower end of the lower choke bearing 120 is fitted. Automatic turning device for width rolling rolls. The lower surface of the movable body 34 of the choke bearing fixing portion 30 is further provided with a projection 36 parallel to the projection 35, so that the projection 36 is slidable. Automatic turning device of the width rolling roll, characterized in that the guide groove 14 to be fitted is formed in the main frame (10). According to claim 1, wherein the end of the choke bearing fixing arm 55 of the roll turning section 50 is formed to be bent end portion 55a to be fitted into the groove formed on the outer surface of the choke bearing 120 Automatic turning device for width rolling rolls. The roll rotating support 59 of the roll turning part 50 has a groove 59a corresponding to the shape of the chamfer 112 formed at the upper end of the roll 110 at the lower end thereof. Automatic turning device for width rolling rolls.

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